gcc/ChangeLog

   1 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
   2
   3         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
   4         at the end of structures.
   5
   6 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
   7
   8         * config/darwin.c (machopic_indirect_call_target): Use renamed
   9         darwin_picsymbol_stubs to decide on output.
  10         (darwin_override_options): Handle darwin_picsymbol_stubs.
  11         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
  12         (LD64_VERSION): Revise default.
  13         * config/darwin.opt: (mpic-symbol-stubs): New option.
  14         (darwin_picsymbol_stubs): New variable.
  15         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
  16         rename to TARGET_MACHO_PICSYM_STUBS.
  17         * config/i386/i386.c (output_pic_addr_const): Likewise.
  18         * config/i386/i386.h Likewise.
  19         * config/rs6000/darwin.h: Likewise.
  20         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
  21         darwin_picsymbol_stubs.
  22
  23 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
  24
  25         * config/darwin.opt (prebind, noprebind, seglinkedit,
  26         noseglinkedit): Add RejectNegative.
  27
  28 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
  29
  30         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
  31         in my previous patch.
  32
  33 2019-06-16  Tom de Vries  <tdevries@suse.de>
  34
  35         PR tree-optimization/89376
  36         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
  37
  38 2019-06-15  Maya Rashish  <coypu@sdf.org>
  39
  40         * doc/invoke.texi (Spec Files): Update location of the
  41         Fortran spec file.
  42
  43 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
  44
  45         * doc/extend.texi (Common Function Attributes): Clarify
  46         no_sanitize.  Fix grammar.
  47
  48 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
  49
  50         * tree-ssa-alias.c (alias_stats): Add
  51         nonoverlapping_component_refs_p_may_alias,
  52         nonoverlapping_component_refs_p_no_alias,
  53         nonoverlapping_component_refs_of_decl_p_may_alias,
  54         nonoverlapping_component_refs_of_decl_p_no_alias.
  55         (dump_alias_stats): Dump them.
  56         (nonoverlapping_component_refs_of_decl_p): Add stats.
  57         (nonoverlapping_component_refs_p): Add stats; do not stop on first
  58         ARRAY_REF.
  59
  60 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
  61
  62         * config/i386/i386.md (and<mode>3): Generate zero-extends for
  63         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
  64         only.
  65         (*anddi3_doubleword): Split before reload. Merge with
  66         anddi->zext pre-reload splitter.
  67         (*andndi3_doubleword): Split before reload.
  68         (*<code>di3_doubleword): Ditto.
  69         (*one_cmpldi2_doubleword): Ditto.
  70
  71 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
  72
  73         PR middle-end/90779
  74         * gimplify.c: Include omp-offload.h and context.h.
  75         (gimplify_bind_expr): Add "omp declare target" attributes
  76         to static block scope variables inside of target region or target
  77         functions.
  78
  79 2019-06-15  Tom de Vries  <tdevries@suse.de>
  80
  81         PR tree-optimization/90009
  82         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
  83         Return NULL if bb contains IFN_UNIQUE.
  84
  85 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
  86
  87         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
  88         (un): New define_mode_attr.
  89         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
  90         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
  91         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
  92         merge into ...
  93         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
  94
  95 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
  96
  97         * config/darwin.opt: Add RejectNegative where needed, reorder
  98         and add minimal functional descriptions.
  99
 100 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 101
 102         PR rtl-optimization/90765
 103         * calls.c (update_stack_alignment_for_call): New function.
 104         (expand_call): Call update_stack_alignment_for_call when
 105         outgoing parameter is passed in the stack.
 106         (emit_library_call_value_1): Likewise.
 107         * function.c (locate_and_pad_parm): Don't update
 108         stack_alignment_needed and preferred_stack_boundary.
 109
 110 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 111
 112         PR target/90877
 113         * config/i386/i386-features.c
 114         (dimode_scalar_chain::compute_convert_gain): Replace
 115         mmxsse_to_integer with sse_to_integer.
 116         * config/i386/i386.c (ix86_register_move_cost): Verify that
 117         moves between MMX and non-MMX units require secondary memory.
 118         Correct costs of moves between SSE and integer units.
 119         * config/i386/i386.h (processor_costs): Rename cost of moving
 120         SSE register to integer to sse_to_integer.  Rename cost of
 121
 122 2019-06-14  Matt Thomas  <matt@3am-software.com>
 123             Matthew Green  <mrg@eterna.com.au>
 124             Nick Hudson  <skrll@netbsd.org>
 125             Maya Rashish  <coypu@sdf.org>
 126             Richard Earnshaw  <rearnsha@arm.com>
 127
 128         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
 129         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
 130         * config/arm/netbsd-eabi.h: New file.
 131         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
 132         redefining.
 133         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
 134         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
 135         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
 136         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
 137
 138 2019-06-14  Richard Biener  <rguenther@suse.de>
 139
 140         * tree-loop-distribution.c (classify_partition): Return
 141         whether a reduction appeared in all partitions and do not
 142         stop builtin detection because of this.
 143         (distribute_loop): Sort a non-builtin partition last if
 144         there's a reduction in all partitions and make sure the
 145         partition prevailing as last is not a builtin.
 146
 147 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
 148
 149         PR ipa/90401
 150         * ipa-prop.c (add_to_agg_contents_list): New function.
 151         (clobber_by_agg_contents_list_p): Likewise.
 152         (extract_mem_content): Likewise.
 153         (get_place_in_agg_contents_list): Delete.
 154         (determine_known_aggregate_parts): Renamed from
 155         determine_locally_known_aggregate_parts.  New parameter
 156         aa_walk_budget_p.
 157
 158 2019-06-13  Martin Sebor  <msebor@redhat.com>
 159
 160         PR tree-optimization/90662
 161         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
 162         to the same type.
 163
 164 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 165
 166         PR bootstrap/90873
 167         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
 168         dbase is not TARGET_MEM_REF.
 169
 170 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 171
 172         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
 173         Update all uses.
 174         (and<mode>3): Use gen_extend_insn instead of indirect functions.
 175         Do not generate DImode extends for 32bit targets.
 176         (and->zext post-reload splitter): Use gen_extend_insn
 177         instead of indirect functions.
 178         (anddi->zext pre-reload splitter): New.
 179         (*zext<mode>_doubleword_and): Remove.
 180         (*zext<mode>_doubleword): Ditto.
 181         (*zextsi_doubleword): Dittto.
 182
 183 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 184
 185         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
 186         Use gen_sub3_insn instead of indirect function.
 187         (ix86_expand_ashl_const): Use gen_add2_insn instead of
 188         indirect function.
 189         (ix86_adjust_counter): Ditto.
 190
 191 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
 192             Lijia He  <helijia@linux.ibm.com>
 193
 194         PR tree-optimization/77820
 195         * tree-ssa-threadedge.c
 196         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
 197         function.
 198         (thread_across_edge): Add call to
 199         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
 200
 201 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
 202
 203         * config/darwin-driver.c (validate_macosx_version_min): New.
 204         (darwin_default_min_version): Cleanup and validate supplied version.
 205         (darwin_driver_init): Likewise and push cleaned version into opts.
 206
 207 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 208
 209         PR tree-optimization/90869
 210         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
 211         converts in MEM_REF referencing decl rather than view converts
 212         from decl type to MEM_REF type.
 213
 214 2019-06-13  Richard Biener  <rguenther@suse.de>
 215
 216         PR tree-optimization/90856
 217         * tree-sra.c (build_ref_for_model): Only use
 218         build_reconstructed_reference when address-spaces are the same.
 219
 220 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 221
 222         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
 223         wrap ei variable name in the declaration in ()s.
 224         (nvptx_single): Actually use mode_label variable.  Formatting fix.
 225
 226 2019-06-13  Richard Biener  <rguenther@suse.de>
 227
 228         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
 229         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
 230         also return the condition stmt.
 231         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
 232         loop we can version and version that, reusing the loop version
 233         created by if-conversion instead of versioning again.
 234
 235 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
 236
 237         * gimple-loop-versioning.cc (prune_loop_conditions): Use
 238         may_contain_p.
 239         * tree-vrp (value_range_base::may_contain_p): Call into
 240         value_inside_range.
 241         (value_inside_range): Make private inside value_range_base class.
 242         Take min/max from *this.
 243         (range_includes_p): Remove.
 244         * tree-vrp.h (value_range_base): Add value_inside_range.
 245         (range_includes_p): Remove.
 246         (range_includes_zero_p): Call may_contain_p.
 247         * vr-values.c (compare_range_with_value): Same.
 248
 249 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
 250
 251         * doc/extend.texi (ARC Function Attributes): Update info.
 252
 253 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
 254
 255         PR tree-optimization/89713
 256         * doc/invoke.texi (-ffinite-loops): Document new option.
 257         * common.opt (-ffinite-loops): New option.
 258         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
 259         IFN_GOACC_LOOP calls as necessary.
 260         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
 261         is finite.
 262         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
 263         IFN_GOACC_LOOP call is not used.
 264         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
 265
 266 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 267
 268         PR target/88838
 269         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
 270         compare_type is not with Pmode size, we will create an IV with
 271         Pmode size with truncated use (i.e. converted to the correct type).
 272         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
 273         (vect_iv_limit_for_full_masking): New. Factored out of
 274         vect_set_loop_condition_masked.
 275         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
 276         (vect_iv_limit_for_full_masking): Declare.
 277
 278 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 279
 280         PR target/88834
 281         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
 282         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
 283         (get_alias_ptr_type_for_ptr_address): Likewise.
 284         (add_iv_candidate_for_use): Add scaled index candidate if useful.
 285         * tree-ssa-address.c (preferred_mem_scale_factor): New.
 286         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
 287         allow_reg_index_p.
 288
 289 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 290
 291         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 292
 293 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 294
 295         * common/config/pru/pru-common.c: New file.
 296         * config.gcc: Add PRU target.
 297         * config/pru/alu-zext.md: New file.
 298         * config/pru/constraints.md: New file.
 299         * config/pru/predicates.md: New file.
 300         * config/pru/pru-opts.h: New file.
 301         * config/pru/pru-passes.c: New file.
 302         * config/pru/pru-pragma.c: New file.
 303         * config/pru/pru-protos.h: New file.
 304         * config/pru/pru.c: New file.
 305         * config/pru/pru.h: New file.
 306         * config/pru/pru.md: New file.
 307         * config/pru/pru.opt: New file.
 308         * config/pru/t-pru: New file.
 309         * doc/extend.texi: Document PRU pragmas.
 310         * doc/invoke.texi: Document PRU-specific options.
 311         * doc/md.texi: Document PRU asm constraints.
 312
 313 2019-06-12  Martin Sebor  <msebor@redhat.com>
 314
 315         PR middle-end/90676
 316         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 317         MEM_REF type in output when different size than operand.
 318         (dump_generic_node): Move code to dump_mem_ref and call it.
 319
 320 2019-06-12  Martin Sebor  <msebor@redhat.com>
 321
 322         PR tree-optimization/90662
 323         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 324         to arrays.
 325
 326 2019-06-12  Tom de Vries  <tdevries@suse.de>
 327
 328         PR tree-optimization/90009
 329         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 330
 331 2019-06-12  Martin Liska  <mliska@suse.cz>
 332
 333         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 334         the created map.
 335         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 336         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 337         Do not sanitize created maps.
 338
 339 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 340
 341         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 342         value_range::singleton_p.
 343         * tree-vrp.c (value_range_constant_singleton): Remove.
 344         * tree-vrp.h (value_range_constant_singleton): Remove.
 345         * vr-values.c (vr_values::singleton): Use
 346         value_range::singleton_p.
 347
 348 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 349
 350         PR target/90811
 351         * cfgexpand.c (align_local_variable): Add really_expand argument,
 352         don't SET_DECL_ALIGN if it is false.
 353         (add_stack_var): Add really_expand argument, pass it through to
 354         align_local_variable.
 355         (expand_one_stack_var_1): Pass true as really_expand to
 356         align_local_variable.
 357         (expand_one_ssa_partition): Pass true as really_expand to
 358         add_stack_var.
 359         (expand_one_var): Pass really_expand through to add_stack_var.
 360
 361 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 362
 363         * config/arm/iterators.md (VABAL): New int iterator.
 364         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 365         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 366         values.
 367
 368 2019-06-12  Martin Liska  <mliska@suse.cz>
 369
 370         * value-prof.c (stream_out_histogram_value): Only first value
 371         can't be negative.
 372
 373 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 374
 375         PR c/90760
 376         * symtab.c (symtab_node::set_section): Allow being called on aliases
 377         as long as they aren't analyzed yet.
 378
 379 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 380
 381         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 382         to `mips_set_text_contents_type' to indicate whether a
 383         non-debug insn follows.
 384
 385 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 386
 387         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 388         enabling -mpcrel by default.
 389         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 390         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 391         that the test against -mcpu=future is done first.  Then test if
 392         -mprefixed-addr is on for -mpcrel.
 393         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 394
 395 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 396
 397         PR target/90811
 398         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 399         instead of and.u%d.
 400
 401 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 402
 403         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 404
 405 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 406
 407         PR c++/90449 - add -Winaccessible-base option.
 408         * doc/invoke.texi (Winaccessible-base): Document.
 409
 410 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 411
 412         PR tree-optimization/62041
 413         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 414
 415 2019-06-11  Jason Merrill  <jason@redhat.com>
 416
 417         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 418         * tree.c (get_tree_code_name): Likewise.
 419         * print-tree.c (print_node): Only briefly print a node with an
 420         invalid code.
 421
 422 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 423
 424         PR bootstrap/90819
 425         * trans-mem.c (tm_memopt_compute_available): Add assertion
 426         that blocks is not empty.  Formatting fix.
 427
 428 2019-06-11  Martin Liska  <mliska@suse.cz>
 429
 430         PR c++/87847
 431         * hash-table.h: Extend create_gcc, add one parameter
 432         that is passed into hash_table::hash_table.
 433
 434 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 435
 436         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 437         New prototype.
 438         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 439         Emit clobber also for non-sse operations.
 440         (ix86_split_fp_absneg_operator): New function.
 441         * config/i386/i386.md (SSEMODEF): New mode iterator.
 442         (ssevecmodef): New mode attribute.
 443         (<code>tf2): Use absneg code iterator.
 444         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 445         Add three-operand AVX alternatives.
 446         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 447         Use absneg code iterator and X87MODEF mode iterator.
 448         (absneg fp_reg non-sse splitter): Call absneg code iterator
 449         and X87MODEF mode iterator.
 450         (absneg general_reg non-sse splitter): Use absneg code iterator
 451         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 452         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 453         code iterator.  Add three-operand AVX alternative.
 454         (absneg sse_reg splitter): Use absneg code iterator
 455         and SSEMODEF mode iterator.  Handle AVX operands.
 456         (absneg fp_reg splitter): Use absneg code iterator
 457         and MODEF mode iterator.
 458         (absneg general_reg splitter): Merge splitters using MODEF mode
 459         iterator.  Use absneg code iterator.  Call
 460         ix86_split_fp_absneg_operator.
 461         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 462         Do not enable for non-sse modes before reload.
 463         (CSGNMODE): Remove.
 464         (CSGNVMODE): Ditto.
 465         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 466         ssevecmodef mode attribute instaed of CSGNVMODE.
 467         (copysign<mode>3_const): Ditto.
 468         (copysign<mode>3_var): Ditto.
 469         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 470         Use absneg code iterator.  Simplify code using std::swap.
 471         * config/i386/predicates.md (absneg_operator): Remove.
 472
 473 2019-06-10  Martin Sebor  <msebor@redhat.com>
 474
 475         * gimple-fold.c (get_range_strlen): Update comment that didn't
 476         make it into r267503 or related commits.
 477
 478 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 479
 480         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 481         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 482
 483 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 484
 485         * tree.def (OMP_SCAN): New tree code.
 486         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 487         OMP_CLAUSE_EXCLUSIVE.
 488         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 489         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 490         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 491         OMP_CLAUSE_{IN,EX}CLUSIVE.
 492         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 493         * tree-nested.c (convert_nonlocal_reference_stmt,
 494         convert_local_reference_stmt, convert_gimple_call): Handle
 495         GIMPLE_OMP_SCAN.
 496         * tree-pretty-print.c (dump_omp_clause): Handle
 497         OMP_CLAUSE_{IN,EX}CLUSIVE.
 498         (dump_generic_node): Handle OMP_SCAN.
 499         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 500         * gimple.h (gomp_scan): New type.
 501         (is_a_helper <gomp_scan *>::test,
 502         is_a_helper <const gomp_scan *>::test): New templates.
 503         (gimple_build_omp_scan): Declare.
 504         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 505         gimple_omp_scan_set_clauses): New inline functions.
 506         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 507         * gimple.c (gimple_build_omp_scan): New function.
 508         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 509         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 510         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 511         GIMPLE_OMP_TASKGROUP.
 512         (dump_gimple_omp_scan): New function.
 513         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 514         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 515         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 516         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 517         (is_gimple_stmt): Handle OMP_SCAN.
 518         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 519         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 520         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 521         mentioned in nested #pragma omp scan.  Handle
 522         OMP_CLAUSE_{IN,EX}CLUSIVE.
 523         (gimplify_expr): Handle OMP_SCAN.
 524         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 525         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 526         simd constructs.
 527         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 528         GIMPLE_OMP_SCAN.
 529
 530 2019-06-10  Martin Liska  <mliska@suse.cz>
 531
 532         * ipa-cp.c (ignore_edge_p): New function.
 533         (build_toporder_info): Use it.
 534         * ipa-inline.c (ignore_edge_p): New function.
 535         (inline_small_functions): Use it.
 536         * ipa-pure-const.c (ignore_edge_for_nothrow):
 537         Verify opt_for_fn for caller and callee.
 538         (ignore_edge_for_pure_const): Likewise.
 539         * ipa-reference.c (ignore_edge_p): Extend to check
 540         for opt_for_fn.
 541         * ipa-utils.c (searchc): Refactor.
 542         * ipa-utils.h: Fix coding style.
 543
 544 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 545
 546         * config/arc/arc.c (arc_rtx_costs): Update costs.
 547
 548 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 549
 550         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 551         (arc_split_ior): Likewise.
 552         (arc_check_mov_const): Likewise.
 553         (arc_split_mov_const): Likewise.
 554         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 555         (arc_rtx_costs): Replace check Crr with Cax constraint.
 556         (prepare_move_operands): Cleanup, remove unused code.
 557         (arc_split_ior): New function.
 558         (arc_check_ior_const): Likewise.
 559         (arc_split_mov_const): Likewise.
 560         (arc_check_mov_const): Likewise.
 561         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 562         in define_insn_and_split pattern.
 563         (iorsi3): Likewise.
 564         (mulsi3_v2): Add new matching variant.
 565         (andsi3_i): Cleanup pattern.
 566         (rotrsi3_cnt1): Update pattern.
 567         (rotrsi3_cnt8): New pattern.
 568         (ashlsi2_cnt8): Likewise.
 569         (ashlsi2_cnt16): Likewise.
 570         * config/arc/constraints.md (C0p): Update constraint.
 571         (Crr): Remove it.
 572         (C0x): New pattern.
 573         (Cax): New pattern.
 574
 575 2019-06-10  Martin Liska  <mliska@suse.cz>
 576
 577         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 578         Update coding style.
 579         (sem_item_optimizer::dump_cong_classes):
 580         Print how many items are in a non-singular class.  Improve
 581         coding style.
 582
 583 2019-06-10  Martin Liska  <mliska@suse.cz>
 584
 585         * value-prof.c (dump_histogram_value): Change dump format.
 586         (gimple_mod_subtract_transform): Remove legacy comment.
 587
 588 2019-06-10  Martin Liska  <mliska@suse.cz>
 589
 590         * value-prof.c (dump_histogram_value): Print histogram values
 591         only if present.
 592
 593 2019-06-10  Martin Liska  <mliska@suse.cz>
 594
 595         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 596         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 597         * ipa-profile.c (ipa_profile_generate_summary):
 598         Use get_most_common_single_value.
 599         * tree-profile.c (gimple_init_gcov_profiler):
 600         Instrument with __gcov_one_value_profiler_v2
 601         and __gcov_indirect_call_profiler_v4.
 602         * value-prof.c (dump_histogram_value):
 603         Print all values for HIST_TYPE_SINGLE_VALUE.
 604         (stream_out_histogram_value): Update assert for
 605         N values.
 606         (stream_in_histogram_value): Set number of
 607         counters for HIST_TYPE_SINGLE_VALUE.
 608         (get_most_common_single_value): New.
 609         (gimple_divmod_fixed_value_transform):
 610         Use get_most_common_single_value.
 611         (gimple_ic_transform): Likewise.
 612         (gimple_stringops_transform): Likewise.
 613         (gimple_find_values_to_profile): Set number
 614         of counters for HIST_TYPE_SINGLE_VALUE.
 615         * value-prof.h (get_most_common_single_value):
 616         New.
 617
 618 2019-06-10  Martin Liska  <mliska@suse.cz>
 619
 620         * hash-map.h: Pass default value to hash_table ctor.
 621         * hash-table.h: Add default value to call of a ctor.
 622
 623 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 624
 625         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 626         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 627
 628 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 629
 630         PR target/90751
 631         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 632         Call pa_output_function_label.
 633         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 634         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 635         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 636         to declaration.
 637         (pa_linux_output_function_prologue): Declare.
 638         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 639         (pa_output_function_label): New.
 640         (pa_output_function_prologue): Revise to use pa_output_function_label.
 641         (pa_linux_output_function_prologue): New.
 642         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 643
 644 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 645
 646         * tree-vrp.h (value_range_base::intersect): New.
 647         (value_range::intersect_helper): Move from here...
 648         (value_range_base::intersect_helper): ...to here.
 649         * tree-vrp.c (value_range::intersect_helper): Rename to...
 650         (value_range_base::intersect_helper): ...this, and rewrite to
 651         return a value instead of modifying THIS in place.
 652         Also, move equivalence handling...
 653         (value_range::intersect): ...here, while calling intersect_helper.
 654         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 655         calling intersect.
 656         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 657         Same.
 658         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 659
 660 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 661
 662         * Makefile.in (genprogerr): Add condmd.
 663         (genprog): Remove it here.
 664
 665 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 666
 667         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 668
 669 2019-06-07  Richard Biener  <rguenther@suse.de>
 670
 671         PR debug/90574
 672         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 673         that appear after user labels.
 674
 675 2019-06-07  Martin Liska  <mliska@suse.cz>
 676
 677         * cselib.c (cselib_init): Disable hash table
 678         sanitization.
 679         * hash-set.h: Pass new default argument to m_table.
 680         * hash-table.c: Add global variable with hash table
 681         sanitization limit.
 682         * hash-table.h (Allocator>::hash_table): Add new argument
 683         to ctor.
 684         (hashtab_chk_error): New.
 685         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 686         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 687         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 688
 689 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 690
 691         * common.opt (flto-odr-type-merging): Ignore.
 692         * invoke.texi (-flto-odr-type-merging): Remove.
 693         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 694         (can_be_vtable_hashed_p): Remove.
 695         (hash_odr_vtable): Remove.
 696         (odr_vtable_hasher::hash): Remove.
 697         (types_same_for_odr): Remove.
 698         (types_odr_comparable): Remove.
 699         (odr_vtable_hasher::equal): Remove.
 700         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 701         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 702         (get_odr_type): Do not use vtable hash.
 703         (dump_odr_type): Remove commented out code.
 704         (build_type_inheritance_graph): Do not allocate vtable hash.
 705         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 706         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 707         (odr_type_p): Likewise.
 708         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 709         test.
 710
 711 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 712
 713         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 714         immediately after same_types_for_tbaa_p returns -1 and continue
 715         looking for possible exact match; if matching types are arrays
 716         watch for partial overlaps.
 717         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 718         (indirect_refs_may_alias_p): Do type based disambiguation first;
 719         update comment.
 720
 721 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 722
 723         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 724
 725 2019-06-07  Martin Liska  <mliska@suse.cz>
 726
 727         * doc/invoke.texi: Remove param.
 728         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 729         Remove.
 730         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 731         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 732         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 733         * profile.c (instrument_values): Remove
 734         HIST_TYPE_INDIR_CALL_TOPN.
 735         * tree-profile.c (init_ic_make_global_vars):
 736         Always build __gcov_indirect_call only.
 737         (gimple_init_gcov_profiler): Remove usage
 738         of PARAM_INDIR_CALL_TOPN_PROFILE.
 739         (gimple_gen_ic_profiler): Likewise.
 740         * value-prof.c (dump_histogram_value): Likewise.
 741         (stream_in_histogram_value): Likewise.
 742         (gimple_indirect_call_to_profile): Likewise.
 743         (gimple_find_values_to_profile): Likewise.
 744         * value-prof.h (enum hist_type): Likewise.
 745
 746 2019-06-07  Martin Liska  <mliska@suse.cz>
 747
 748         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 749         function.
 750
 751 2019-06-07  Martin Liska  <mliska@suse.cz>
 752
 753         PR tree-optimization/78902
 754         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 755         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 756         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 757         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 758         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 759         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 760         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 761         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 762         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 763         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 764         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 765         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 766         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 767         New.
 768         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 769         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 770         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 771         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 772         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 773         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 774         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 775         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 776         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 777         warn_unused_result attribute.
 778         (BUILT_IN_STRDUP): Likewise.
 779         (BUILT_IN_STRNDUP): Likewise.
 780         (BUILT_IN_ALLOCA): Likewise.
 781         (BUILT_IN_CALLOC): Likewise.
 782         (BUILT_IN_MALLOC): Likewise.
 783         (BUILT_IN_REALLOC): Likewise.
 784
 785 2019-06-06  Jim Wilson  <jimw@sifive.com>
 786
 787         PR target/89955
 788         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 789         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 790         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 791
 792 2019-06-06  Martin Sebor  <msebor@redhat.com>
 793
 794         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 795         (handle_builtin_malloc): Remove trailing spaces.
 796         (handle_builtin_memset): Same.
 797         (handle_builtin_memcmp): Same.
 798         (compute_string_length): Same.
 799         (determine_min_objsize): Same.
 800         (handle_builtin_string_cmp): Same.
 801         (handle_char_store): Same.  Break up excessively long line.
 802
 803 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 804
 805         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 806         check.
 807
 808 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 809
 810         * tree-sra.c (struct access): New field grp_same_access_path.
 811         (dump_access): Dump it.
 812         (build_reconstructed_reference): New function.
 813         (build_ref_for_model): Use it if possible.
 814         (path_comparable_for_same_access): New function.
 815         (same_access_path_p): Likewise.
 816         (sort_and_splice_var_accesses): Set the new flag.
 817         (analyze_access_subtree): Likewise.
 818         (propagate_subaccesses_across_link): Propagate zero value of the new
 819         flag down the access tree.
 820
 821 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 822
 823         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 824         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 825         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 826         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 827         Add gfx906.
 828
 829 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 830
 831         PR tree-optimization/90332
 832         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 833         Handle VALS containing two vectors.
 834         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 835         to...
 836         (@aarch64_combinez<mode>): ... This.
 837         (*aarch64_combinez_be<mode>): Rename to...
 838         (@aarch64_combinez_be<mode>): ... This.
 839         (vec_init<mode><Vhalf>): New define_expand.
 840         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 841
 842 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 843
 844         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 845         library functions only when not optimizing for size.
 846         (ashlsi3): Likewise.
 847         (ashrhi3): Likewise.
 848         (ashrsi3): Likewise.
 849         (lshrhi3): Likewise.
 850         (lshrsi3): Likewise.
 851
 852 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 853
 854         PR rtl-optimization/88751
 855         * ira.c (ira): Use the number of the actually referenced registers
 856         when calculating the threshold.
 857
 858 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 859
 860         * configure: Regenerate.
 861
 862 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 863
 864         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 865         register if it is in memory, so the shift can be emulated with a rotate
 866         instruction.
 867         (ashrhi3): Likewise.
 868         (lshrhi3): Likewise.
 869
 870 2019-06-06  Martin Liska  <mliska@suse.cz>
 871
 872         PR tree-optimization/87954
 873         * match.pd: Simplify mult where both arguments are 0 or 1.
 874
 875 2019-06-06  Richard Biener  <rguenther@suse.de>
 876
 877         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 878         put equivalences on UNDEFINED ranges.
 879         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 880         Make sure to drop defs of stmts added during simplification
 881         to VARYING.
 882
 883 2019-06-06  Richard Biener  <rguenther@suse.de>
 884
 885         * tree-ssa-structalias.c: Include tree-cfg.h.
 886         (make_heapvar): Do not make heap vars artificial.
 887         (find_func_aliases_for_builtin_call): Handle stack allocation
 888         functions.
 889         (find_func_aliases): Delay processing of simple enough returns
 890         in non-IPA mode.
 891         (set_uids_in_ptset): Adjust.
 892         (find_what_var_points_to): Likewise.
 893         (solve_constraints): Do not dump points-to sets here.
 894         (compute_points_to_sets): Post-process return statements,
 895         amending the escaped solution.  Dump points-to sets afterwards.
 896         (ipa_pta_execute): Dump points-to sets.
 897
 898 2019-06-06  Martin Liska  <mliska@suse.cz>
 899
 900         PR web/87933
 901         * doc/install.texi: Fix HTML headers and
 902         titles for 'Installing GCC' pages.
 903
 904 2019-06-06  Martin Liska  <mliska@suse.cz>
 905
 906         * ipa-icf-gimple.h (dump_message_1): Remove.
 907         (dump_message): Likewise.
 908         (return_false_with_message_1): Print also file.
 909         (return_false_with_msg): Likewise.
 910         (return_with_result): Likewise.
 911         (return_with_debug): Likewise.
 912         * ipa-icf.c (sem_function::equals_private): Remove call
 913         to dump_message.
 914
 915 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 916
 917         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 918         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 919         memory operand for it.
 920         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 921
 922 2019-06-05  Martin Sebor  <msebor@redhat.com>
 923
 924         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 925         Adjust quoting and hyphenation.
 926         * convert.c (convert_to_real_1): Same.
 927         * gcc.c (driver_wrong_lang_callback): Same.
 928         (driver::handle_unrecognized_options): Same.
 929         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 930         * opts-common.c (cmdline_handle_error): Same.
 931         (read_cmdline_option): Same.
 932         * opts-global.c (complain_wrong_lang): Same.
 933         (print_ignored_options): Same.
 934         (handle_common_deferred_options): Same.
 935         * pretty-print.h: Same.
 936         * print-rtl.c (debug_bb_n_slim): Same.
 937         * sched-rgn.c (make_pass_sched_fusion): Same.
 938         * tree-cfg.c (verify_gimple_assign_unary): Same.
 939         (verify_gimple_label): Same.
 940         * tree-ssa-operands.c (verify_ssa_operands): Same.
 941         * varasm.c (do_assemble_alias): Same.
 942         (assemble_alias): Same.
 943
 944 2019-06-05  Richard Henderson  <rth@twiddle.net>
 945
 946         * config/alpha/alpha.c (direct_return): Move down after
 947         struct machine_function definition; use saved frame_size;
 948         return bool.
 949         (struct machine_function): Add sa_mask, sa_size, frame_size.
 950         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 951         (alpha_compute_frame_layout): ... new function.
 952         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 953         (alpha_initial_elimination_offset): Use saved sa_size.
 954         (alpha_vms_initial_elimination_offset): Likewise.
 955         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 956         (alpha_expand_prologue): Use saved frame data.  Merge integer
 957         and fp register save loops.
 958         (alpha_expand_epilogue): Likewise.
 959         (alpha_start_function): Use saved frame data.
 960         * config/alpha/alpha-protos.h (direct_return): Update.
 961         (alpha_sa_size): Remove.
 962
 963 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 964
 965         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 966         multiplication by a power-of-two value.
 967         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 968         and turn the modulo operation into a masking operation.
 969
 970 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 971
 972         PR debug/90733
 973         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 974         with VOIDmode inner operands.
 975
 976 2019-06-05  Richard Biener  <rguenther@suse.de>
 977
 978         PR middle-end/90726
 979         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 980         turn an expression graph into a tree.
 981
 982 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 983
 984         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 985         member.
 986         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 987         treat it like explicit monotonic schedule modifier.
 988         (expand_omp_for): Initialize has_lastprivate_conditional.
 989         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 990         schedule modifier.
 991
 992         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 993         references, lookup in in hash map MEM_REF operand instead of the
 994         MEM_REF itself.
 995         (lower_omp_1): When looking for lastprivate conditional assignments,
 996         handle MEM_REFs with REFERENCE_TYPE operands.
 997
 998         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 999         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
1000         and references a VLA.  Handle references to non-VLAs if is_simd
1001         all privatization clauses like reductions.
1002         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
1003         If omp_is_reference, use always omp simd arrays and set
1004         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
1005         fails, emit reference initialization.
1006
1007 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
1008
1009         PR target/89803
1010         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
1011         _mm_mask_fpclass_sd_mask): New intrinsics.
1012         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
1013         * config/i386/i386-builtin.def
1014         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
1015         New builtins.
1016         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
1017         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
1018         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
1019         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
1020         case QI_FTYPE_V2SF_INT): Ditto.
1021         * config/i386/sse.md
1022         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
1023         Extended to insnstructions with mask operands.
1024
1025 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1026
1027         * config/rs6000/constraints.md (define_register_constraint "wp"):
1028         Delete.
1029         (define_register_constraint "wq"): Delete.
1030         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1031         (rs6000_init_hard_regno_mode_ok): Adjust.
1032         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1033         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
1034         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
1035         (define_mode_attr VSa): Delete.
1036         (define_mode_attr VSisa): New.
1037         (rest of file): Adjust.
1038         * doc/md.texi (Machine Constraints): Adjust.
1039
1040 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1041
1042         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
1043         (define_attr "enabled"): Handle those new isa values.
1044
1045 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1046
1047         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
1048         (define_mode_attr VSr5): Delete.
1049         (define_mode_attr VStype_sqrt): Delete.
1050         (define_mode_iterator VSX_SPDP): Delete.
1051         (define_mode_attr VS_spdp_res): Delete.
1052         (define_mode_attr VS_spdp_insn): Delete.
1053         (define_mode_attr VS_spdp_type): Delete.
1054         (*vsx_sqrt<mode>2): Adjust.
1055         (vsx_<VS_spdp_insn>): Delete, split to...
1056         (vsx_xscvdpsp): ... this.  New.  And...
1057         (vsx_xvcvspdp): ... this.  New.  And...
1058         (vsx_xvcvdpsp): ... this.  New.
1059
1060 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1061
1062         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
1063         and V2DF.
1064         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
1065         (rest of file): Adjust.
1066
1067 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1068
1069         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
1070         (vsx_extract_<mode>_var): Ditto.
1071
1072 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1073
1074         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
1075         with just "wa".
1076
1077 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1078
1079         * config/rs6000/constraints.md (define_register_constraint "ww"):
1080         Delete.
1081         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1082         (rs6000_init_hard_regno_mode_ok): Adjust.
1083         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1084         RS6000_CONSTRAINT_ww.
1085         * config/rs6000/rs6000.md: Adjust.
1086         * config/rs6000/vsx.md: Adjust.
1087         * doc/md.texi (Machine Constraints): Adjust.
1088
1089 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1090
1091         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
1092         (define_mode_attr sd): New.
1093         (define_mode_attr s): New.
1094         (define_mode_attr Ftrad): Delete.
1095         (define_mode_attr Fvsx): Delete.
1096         (define_mode_attr Fs): Delete.
1097         (rest of file): Use the new mode attributes.
1098         * config.rs6000/vsx.md: Use the new mode attributes.
1099
1100 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1101
1102         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
1103         with just "wa".
1104
1105 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1106
1107         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
1108         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
1109         used with VSX_B, VSX_D, or VSX_F, with just "wa".
1110
1111 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
1112
1113         PR target/78263
1114         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
1115         C++ with strict ANSI requirements.
1116
1117 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
1118
1119         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
1120         computations when step is 1.
1121
1122 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1123
1124         * config/rs6000/constraints.md (define_register_constraint "wf"):
1125         Delete.
1126         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1127         (rs6000_init_hard_regno_mode_ok): Adjust.
1128         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1129         RS6000_CONSTRAINT_wf.
1130         * config/rs6000/rs6000.md: Adjust.
1131         * config/rs6000/vsx.md: Adjust.
1132         * doc/md.texi (Machine Constraints): Adjust.
1133
1134 2019-06-04  Andrew Pinski  <apinski@marvell.com>
1135
1136         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
1137         Fix ILP32 value.
1138
1139 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1140
1141         * config/rs6000/constraints.md (define_register_constraint "wd"):
1142         Delete.
1143         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1144         (rs6000_init_hard_regno_mode_ok): Adjust.
1145         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1146         RS6000_CONSTRAINT_wd.
1147         * config/rs6000/rs6000.md: Adjust.
1148         * config/rs6000/vsx.md: Adjust.
1149         * doc/md.texi (Machine Constraints): Adjust.
1150
1151 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1152
1153         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
1154         (rest of file): Adjust.
1155
1156 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1157
1158         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
1159         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
1160         (vsx_splat_<mode>_reg): Adjust.
1161
1162 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1163
1164         * config/rs6000/constraints.md (define_register_constraint "ws"):
1165         Delete.
1166         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1167         (rs6000_init_hard_regno_mode_ok): Adjust.
1168         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1169         RS6000_CONSTRAINT_ws.
1170         * config/rs6000/rs6000.md: Adjust.
1171         * config/rs6000/vsx.md: Adjust.
1172         * doc/md.texi (Machine Constraints): Adjust.
1173
1174 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1175
1176         * config/rs6000/constraints.md (define_register_constraint "wv"):
1177         Delete.
1178         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1179         (rs6000_init_hard_regno_mode_ok): Adjust.
1180         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1181         RS6000_CONSTRAINT_wv.
1182         * config/rs6000/rs6000.md: Adjust.
1183         * config/rs6000/vsx.md: Adjust.
1184         * doc/md.texi (Machine Constraints): Adjust.
1185
1186 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1187
1188         * config/rs6000/constraints.md (define_register_constraint "wi"):
1189         Delete.
1190         (define_register_constraint "wt"): Delete.
1191         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1192         (rs6000_init_hard_regno_mode_ok): Adjust.
1193         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1194         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1195         * config/rs6000/rs6000.md: Adjust.
1196         * config/rs6000/vsx.md: Adjust.
1197         * doc/md.texi (Machine Constraints): Adjust.
1198
1199 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1200
1201         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1202         const.
1203         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1204         default_elf_asm_output_external.
1205
1206 2019-06-04  Martin Liska  <mliska@suse.cz>
1207
1208         * ipa-icf.c (INCLUDE_LIST): Remove.
1209         (sem_item_optimizer::execute): Remove call to init_wpa.
1210         * ipa-icf.h (init_wpa): Remove.
1211
1212 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1213
1214         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1215         conditional on combined for simd.
1216         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1217         member.
1218         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1219         constructs, don't remove lastprivate_conditional_map, but instead set
1220         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1221         to parent construct temporaries.
1222         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1223         like !ctx->lastprivate_conditional_map.
1224         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1225         use up->outer context instead of up.
1226         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1227         gimple_omp_for_combined_p.
1228         (expand_omp_for_static_nochunk): Likewise.
1229         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1230         probably moved over into expand_omp_for_generic rather than being copied
1231         there.
1232
1233 2019-06-04  Martin Liska  <mliska@suse.cz>
1234
1235         * value-prof.c (dump_histogram_value): Fix typo.
1236         (gimple_mod_subtract_transform): Likewise.
1237
1238 2019-06-04  Richard Biener  <rguenther@suse.de>
1239
1240         PR middle-end/90726
1241         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1242         (tree_contains_chrecs): Likewise.
1243         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1244         exponential behaivor from ...
1245         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1246         ... here.
1247         (expression_expensive_p): Avoid exponential behavior and compute
1248         expanded size, rejecting any expansion.
1249         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1250         (idx_contains_abnormal_ssa_name_p): Likewise.
1251         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1252         (contains_abnormal_ssa_name_p): Simplify and use
1253         walk_tree_without_duplicates.
1254
1255 2019-06-04  Richard Biener  <rguenther@suse.de>
1256
1257         PR tree-optimization/90738
1258         Revert
1259         2019-06-03  Richard Biener  <rguenther@suse.de>
1260
1261         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1262         full reference tree and record in ref->ref.
1263         (vn_reference_lookup_3): Pass in original ref to
1264         ao_ref_init_from_vn_reference.
1265         (vn_reference_lookup): Likewise.
1266         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1267         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1268         Handle non-decl bases in the original reference.
1269
1270 2019-06-04  Martin Liska  <mliska@suse.cz>
1271
1272         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1273         number of references.
1274         (sem_item_optimizer::do_congruence_step):
1275         (sem_item_optimizer::worklist_push): Dump how references
1276         a class has.
1277         (sem_item_optimizer::worklist_pop): Use heap.
1278         (sem_item_optimizer::process_cong_reduction): Likewise.
1279         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1280
1281 2019-06-04  Martin Liska  <mliska@suse.cz>
1282
1283         * ipa-icf.h (struct sem_usage_pair_hash): New.
1284         (sem_usage_pair_hash::hash): Likewise.
1285         (sem_usage_pair_hash::equal): Likewise.
1286         (struct sem_usage_hash): Likewise.
1287         * ipa-icf.c (sem_item::sem_item): Initialize
1288         referenced_by_count.
1289         (sem_item::add_reference): Register a reference
1290         in ref_map and not in target->usages.
1291         (sem_item::setup): Remove initialization of
1292         dead vectors.
1293         (sem_item::~sem_item): Remove usage of dead vectors.
1294         (sem_item::dump): Remove dump of references.
1295         (sem_item_optimizer::sem_item_optimizer): Initialize
1296         m_references.
1297         (sem_item_optimizer::read_section): Remove useless
1298         dump.
1299         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1300         (sem_item_optimizer::build_graph): Pass m_references
1301         to ::add_reference.
1302         (sem_item_optimizer::verify_classes): Remove usage of dead
1303         vectors.
1304         (sem_item_optimizer::traverse_congruence_split): Return true
1305         when a class is split.
1306         (sem_item_optimizer::do_congruence_step_for_index): Use
1307         hash_map for look up of (sem_item *, index). That brings
1308         significant speed up.
1309         (sem_item_optimizer::do_congruence_step): Return true
1310         when a split is done.
1311         (congruence_class::is_class_used): Use referenced_by_count.
1312
1313 2019-06-04  Alan Modra  <amodra@gmail.com>
1314
1315         PR target/90689
1316         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1317         error.
1318
1319 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1320
1321         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1322         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1323         (rs6000_secondary_reload_simple_move): Adjust.
1324         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1325         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1326         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1327         comment.
1328         (power6x): Adjust.
1329         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1330         (floatunssi<mode>2_lfiwzx): Adjust.
1331         (fix_trunc<mode>si2_stfiwx): Adjust.
1332         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1333         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1334         (mfpgpr): Mark as deprecated.
1335         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1336         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1337         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1338
1339 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1340
1341         * config/rs6000/constraints.md (define_register_constraint "wg"):
1342         Delete.
1343         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1344         RS6000_CONSTRAINT_wg.
1345         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1346         (rs6000_init_hard_regno_mode_ok): Adjust.
1347         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1348         Delete "wg" alternatives.
1349         * doc/md.texi (Machine Constraints): Adjust.
1350
1351 2019-06-03  Alan Modra  <amodra@gmail.com>
1352
1353         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1354         (get_uncond_jump_length): Assert length less than INT_MAX and
1355         non-negative.
1356
1357 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1358
1359         PR middle-end/64242
1360         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1361         block.
1362         (expand_builtin_nonlocal_goto): Likewise.
1363
1364 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1365
1366         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1367         (aarch64_asm_output_external): Declare.
1368         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1369         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1370         (aarch64_asm_output_alias): New.
1371         (aarch64_asm_output_external): New.
1372         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1373         (ASM_OUTPUT_EXTERNAL): Define.
1374
1375 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1376         * tree-vrp.h (value_range_base::nonzero_p): New.
1377         (value_range_base::set_nonnull): Rename to...
1378         (value_range_base::set_nonzero): ...this.
1379         (value_range_base::set_null): Rename to...
1380         (value_range_base::set_zero): ...this.
1381         (value_range::set_nonnull): Remove.
1382         (value_range::set_null): Remove.
1383         * tree-vrp.c (range_is_null): Remove.
1384         (range_is_nonnull): Remove.
1385         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1386         instead of range_is_*null.
1387         (extract_range_from_unary_expr): Same.
1388         (value_range_base::set_nonnull): Rename to...
1389         (value_range_base::set_nonzero): ...this.
1390         (value_range::set_nonnull): Remove.
1391         (value_range_base::set_null): Rename to...
1392         (value_range_base::set_zero): ...this.
1393         (value_range::set_null): Remove.
1394         (extract_range_from_binary_expr): Rename set_*null uses to
1395         set_*zero.
1396         (extract_range_from_unary_expr): Same.
1397         (union_helper): Same.
1398         * vr-values.c (get_value_range): Use set_*zero instead of
1399         set_*null.
1400         (vr_values::extract_range_from_binary_expr): Same.
1401         (vr_values::extract_range_basic): Same.
1402
1403 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1404
1405         PR driver/90684
1406         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1407
1408 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1409
1410         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1411         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1412         (aarch64_<su>abd<mode>_3): ... This.
1413         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1414
1415 2019-06-03  Richard Biener  <rguenther@suse.de>
1416
1417         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1418         full reference tree and record in ref->ref.
1419         (vn_reference_lookup_3): Pass in original ref to
1420         ao_ref_init_from_vn_reference.
1421         (vn_reference_lookup): Likewise.
1422         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1423         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1424         Handle non-decl bases in the original reference.
1425
1426 2019-06-03  Martin Liska  <mliska@suse.cz>
1427
1428         * doc/generic.texi: Remove Java Trees.
1429
1430 2019-06-03  Martin Liska  <mliska@suse.cz>
1431
1432         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1433         returns 0 when operands are equal.
1434
1435 2019-06-03  Richard Biener  <rguenther@suse.de>
1436
1437         PR tree-optimization/90716
1438         * tree-loop-distribution.c (destroy_loop): Process blocks in
1439         correct order.
1440
1441 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1442
1443         PR target/88837
1444         * vector-builder.h (vector_builder::count_dups): New method.
1445         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1446         Declare prototype.
1447         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1448         (vec_init<mode><Vel>): New pattern.
1449         * config/aarch64/aarch64.c (emit_insr): New function.
1450         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1451         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1452         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1453         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1454
1455 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1456
1457         PR tree-optimization/90681
1458         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1459         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1460         special case for SLP, but fail on non-groupped loads.
1461
1462 2019-06-03  Martin Liska  <mliska@suse.cz>
1463
1464         * cfg.c (debug): Use TDF_DETAILS for debug and
1465         print edge info only once.
1466
1467 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1468
1469         PR fortran/90539
1470         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1471
1472 2019-06-01  Martin Sebor  <msebor@redhat.com>
1473
1474         PR middle-end/90694
1475         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1476
1477 2019-05-31  Jan Hubicka  <jh@suse.cz>
1478
1479         * alias.c: Include ipa-utils.h.
1480         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1481         * ipa-devirt.c (prevailing_odr_type): New.
1482         * ipa-utils.h (previaling_odr_type): Declare.
1483
1484 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1485             Hongtao Liu  <hongtao.liu@intel.com>
1486
1487         PR target/89355
1488         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1489         NOTE_INSN_DELETED_LABEL check.
1490
1491 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1492             Robert Suchanek  <robert.suchanek@mips.com>
1493
1494         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1495         and 3rd operands of the fmadd/fmsub/maddv builtin.
1496
1497 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1498
1499         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1500         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1501         on OMP_SIMD if not nested inside of worksharing loop that also has
1502         lastprivate conditional clause for the same decl.
1503         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1504         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1505         on simd.
1506         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1507         on simd construct.
1508         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1509         on simd construct.
1510         (lower_lastprivate_clauses): Likewise.
1511         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1512         calling lower_rec_input_clauses.
1513         (lower_omp_for): Likewise.
1514         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1515         clause on simd construct.
1516         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1517         OMP_CLAUSE__CONDTEMP_ clause is present.
1518
1519         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1520         ivar and lvar.
1521
1522 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1523
1524         PR c/43673
1525         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1526         TEX_D32, TEX_D64 or TEX_D128.
1527
1528 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1529
1530         * match.pd (~(vec?cst1:cst2)): New transformation.
1531
1532 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1533
1534         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1535         ((size_t)(A /[ex] B) CMP C): New transformation.
1536
1537 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1538
1539         * doc/md.texi: Document define_insn_and_rewrite.
1540         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1541         * gensupport.c (queue_elem): Update comment.
1542         (replace_operands_with_dups): New function.
1543         (gen_rewrite_sequence): Likewise.
1544         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1545         * read-rtl.c (apply_subst_iterator): Likewise.
1546         (add_condition_to_rtx, named_rtx_p): Likewise.
1547         (rtx_reader::read_rtx_operand): Likewise.
1548         * config/aarch64/aarch64-sve.md
1549         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1550         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1551         define_insn_and_rewrite.
1552         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1553         Remove separate define_split.
1554
1555 2019-05-31  Jan Hubicka  <jh@suse.cz>
1556
1557         * tree-ssa-alias.c (type_has_components_p): New function.
1558         (aliasing_component_refs_p): Use it.
1559
1560 2019-05-31  Martin Liska  <mliska@suse.cz>
1561
1562         * gdbhooks.py: Add const_tree to TreePrinter.
1563
1564 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1565
1566         PR debug/86964
1567         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1568         * doc/invoke.texi (Debugging Options): Document new default of
1569         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1570
1571 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1572
1573         PR tree-optimization/90671
1574         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1575         template_block used to be empty on the first call, don't use
1576         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1577         seq with bb_seq and set it with set_bb_seq.
1578
1579 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1580
1581         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1582
1583 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1584             Michael Meissner  <meissner@linux.ibm.com>
1585
1586         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1587         (prefixed_mem_operand): Likewise.
1588         (non_prefixed_mem_operand): Likewise.
1589         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1590         prototype.
1591         * config/rs6000/rs6000.c (print_operand_address): Handle
1592         PC-relative addresses.
1593         (mode_supports_prefixed_address_p): New function.
1594         (rs6000_prefixed_address): New function.
1595         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1596         (SYMBOL_REF_PCREL_P): Likewise.
1597
1598 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1599
1600         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1601         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1602         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1603         is nested inside of parallel region, add _condtemp_ clause to both.
1604         * tree-nested.c (convert_nonlocal_omp_clauses,
1605         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1606         assertion failure.
1607         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1608         member.
1609         * omp-general.c (omp_extract_for_data): Compute it.
1610         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1611         (lower_rec_input_clauses): Likewise.
1612         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1613         clause is already present, just add one further one after it.
1614         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1615         (lower_send_shared_vars): Clear _condtemp_ vars.
1616         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1617         or section or taskgroup.
1618         * omp-expand.c (determine_parallel_type): Disallow combining only if
1619         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1620         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1621         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1622         expand_omp_for_static_chunk, expand_omp_for): Use
1623         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1624         determine if a special set of API routines are needed and if condtemp
1625         needs to be initialized, while always initialize cond_var if
1626         fd->lastprivate_conditional is non-zero.
1627
1628 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1629             Michael Meissner  <meissner@linux.ibm.com>
1630
1631         * config/rs6000/constraints.md (eI): New constraint.
1632         * config/rs6000/predicates.md (cint34_operand): New predicate.
1633         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1634         (SIGNED_34BIT_OFFSET_P): Likewise.
1635         * doc/md.texi (eI): Document constraint.
1636
1637 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1638
1639         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1640
1641 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1642             Michael Meissner  <meissner@linux.ibm.com>
1643
1644         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1645         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1646         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1647         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1648         (OTHER_FUTURE_MASKS): Likewise.
1649         (POWERPC_MASKS): Likewise.
1650         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1651         specified without -mprefixed-addr or -mcpu=future.  Error if
1652         -mprefixed-addr is specified without -mcpu=future.
1653         (rs6000_opt_masks): Add entry for prefixed-addr.
1654         * rs6000.opt (mprefixed-addr): New option.
1655
1656 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1657
1658         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1659         cfun->is_thunk check.
1660
1661 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1662
1663         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1664         to length.
1665
1666 2019-05-30  Martin Liska  <mliska@suse.cz>
1667
1668         * gdbinit.in: Fix 'ptc' command.  Add trt
1669         that prints TREE_TYPE($).
1670
1671 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1672             Alan Modra  <amodra@gmail.com>
1673
1674         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1675         calls here...
1676         (rs6000_indirect_call_template_1): ...and here.
1677         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1678         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1679         rs6000_pltseq_enum.
1680         (rs6000_decl_ok_for_sibcall): New function.
1681         (rs6000_function_ok_for_sibcall): Refactor.
1682         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1683         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1684         when pcrel.  Reorganize.
1685         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1686         * rs6000.h (rs6000_pltseq_enum): New enum.
1687         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1688         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1689         (*pltseq_plt16_ha): Likewise.
1690         (*pltseq_plt16_lo): Likewise.
1691         (*pltseq_mtctr): Likewise.
1692         (*pltseq_plt_pcrel): New insn.
1693         (*call_local_aix): Handle @notoc calls.
1694         (*call_value_local_aix): Likewise.
1695         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1696         (*call_value_nonlocal_aix): Likewise.
1697         (*call_indirect_pcrel): New insn.
1698         (*call_value_indirect_pcrel): Likewise.
1699
1700
1701 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1702
1703         * config/i386/sse.md (*save_multiple<mode>): Rename from
1704         save_multiple<mode>.
1705         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1706         (*restore_multiple_and_return<mode>): Rename from
1707         restore_multiple_and_return<mode>.
1708         (*restore_multiple_leave_return<mode>): Rename from
1709         restore_multiple_leave_return<mode>.
1710
1711 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1712
1713         * config.gcc (rx-*-linux*): New target.
1714         * config/rx/elf.opt: New file.
1715         * config/rx/linux.h: Likewise.
1716         * config/rx/t-linux: Likewise.
1717         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1718         make it zero.
1719         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1720         (ASM_APP_OFF): Likewise.
1721         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1722         moved elsewhere.
1723
1724 2019-05-29  Jan Hubicka  <jh@suse.cz>
1725
1726         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1727         variants are pointer equivalent.
1728
1729 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1730
1731         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1732         * config/aarch64/aarch64-sve2.md: New file.
1733         (<u>avg<mode>3_floor): New pattern.
1734         (<u>avg<mode>3_ceil): Likewise.
1735         (*<sur>h<addsub><mode>): Likewise.
1736         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1737         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1738
1739 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1740
1741         PR bootstrap/90543
1742         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1743         for var_opt_string printing.  In cl_optimization_print_diff, print
1744         (null) instead of invoking undefined behavior if one of the
1745         var_opt_string pointers is NULL and use && instead of first || in the
1746         guarding condition.  For var_target_other options, handle const char *
1747         target variables similarly to const char * optimize node variables.
1748
1749 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1750
1751         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1752         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1753         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1754         Add autib1716 and pacib1716 initialisation.
1755         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1756         for autib1716 and pacib1716.
1757         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1758         aarch64_post_cfi_startproc): Define.
1759         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1760         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1761         aarch64_handle_pac_ret_protection): Set default sign key to A.
1762         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1763         aarch64_expand_prologue): Add check for b-key.
1764         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1765         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1766         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1767         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1768         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1769         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1770         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1771         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1772         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1773         pauth_hint_num_a with pauth_hint_num.
1774         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1775         pauth_hint_num_a with pauth_hint_num.
1776         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1777         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1778         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1779         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1780         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1781         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1782         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1783         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1784         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1785         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1786         UNSPEC_AUTIA1716 respectively.
1787         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1788         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1789         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1790         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1791         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1792
1793 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1794
1795         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1796         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1797         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1798         explicit clause on combined parallel into implicit shared clause.
1799         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1800         and firstprivate if the decl has one too from combined parallel to
1801         the worksharing construct.
1802
1803 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1804             Michael Meissner  <meissner@linux.ibm.com>
1805
1806         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1807
1808 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1809
1810         * rtl.h (LABEL_REF_P): New #define.
1811
1812 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1813
1814         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1815
1816 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1817
1818         * internal-fn.c: Marked mask_load_direct as vectorizable.
1819         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1820         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1821         combined even if masks different with allow_slp_p param.
1822         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1823         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1824         dissolve SLP-only vectorizable groups when SLP has been discarded.
1825         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1826         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1827         masks.
1828         (vect_build_slp_tree_1): Fixed comment typo.
1829         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1830         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1831         loads for SLP only.
1832         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1833         vectorizable.
1834         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1835
1836 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1837
1838         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1839         Remove obsolete use_thunk reference.
1840         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1841         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1842         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1843         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1844         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1845         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1846         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1847         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1848         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1849
1850 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1851
1852         * tree.h (IDENTIFIER_ANON_P): New.
1853         (anon_aggrname_format, anon_aggname_p): Don't declare.
1854         (make_anon_name): Declare.
1855         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1856         (hash_tree): Likewise.
1857         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1858         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1859         (anon_cnt, make_anon_name): New.
1860
1861 2019-05-28  Martin Liska  <mliska@suse.cz>
1862
1863         PR other/90315
1864         * opts-global.c (decode_options): Print help for all
1865         help_option_arguments.
1866         * opts.c (print_help): Add new argument.
1867         (common_handle_option): Remember all values into
1868         help_option_arguments.
1869         * opts.h (print_help): Add new argument.
1870
1871 2019-05-28  Martin Liska  <mliska@suse.cz>
1872
1873         PR ipa/90555
1874         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1875         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1876         (func_checker::compare_bb): Call compare_loops.
1877
1878 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1879
1880         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1881         on sections construct.
1882         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1883         construct.
1884         (lower_omp_sections): Handle lastprivate conditional.
1885         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1886         lastprivate_conditional_map.
1887         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1888
1889         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1890         critical, taskgroup and section regions when looking for a region
1891         with non-NULL lastprivate_conditional_map.
1892
1893 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1894
1895         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1896         (*ix86_gen_sub3): Ditto.
1897         (*ix86_gen_sub3_carry): Ditto.
1898         (*ix86_gen_one_cmpl2): Ditto.
1899         (*ix86_gen_andsp): Ditto.
1900         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1901         (gen_and2_insn): New static function.
1902         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1903         Use gen_add3_insn instead of ix86_gen_add3.
1904         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1905         instead of ix86_gen_add3.
1906         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1907         Use gen_sub3_insn instead of ix86_gen_sub3.
1908         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1909         instead of ix86_gen_add3.
1910         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1911         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1912         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1913         * config/i386/i386-options.c (ix86_option_override_internal):
1914         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1915         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1916
1917 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1918
1919         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1920         and DW_OP_GNU_const_index opcodes.
1921
1922 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1923
1924         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1925
1926 2019-05-27  Richard Biener  <rguenther@suse.de>
1927
1928         PR tree-optimization/90637
1929         * tree-ssa-sink.c (statement_sink_location): Honor the
1930         computed sink location for single-uses.
1931
1932 2019-05-27  Richard Biener  <rguenther@suse.de>
1933
1934         PR middle-end/90610
1935         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1936         a bit-insert.
1937
1938 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1939
1940         * config/i386/i386.md (@sub<mode>3_carry): Rename
1941         from sub<mode>3_carry.
1942         (@leave_<mode>): New expander.
1943         (*leave): Rename from leave.
1944         (*leave_rex64): Rename from leave_rex64.
1945         (@monitorx_<mode>): Rename from monitorx_<mode>.
1946         (@clzero_<mode>): Rename from clzero_<mode>.
1947         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1948         from sse3_monitor_<mode>.
1949         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1950         (*ix86_gen_leave): Ditto.
1951         (*ix86_gen_monitor): Ditto.
1952         (*ix86_gen_monitorx): Ditto.
1953         (*ix86_gen_clzero): Ditto.
1954         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1955         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1956         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1957         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1958         Use gen_sse3_monitor instead of ix86_gen_monitor.
1959         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1960         instead of ix86_gen_monitorx.
1961         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1962         instead of ix86_gen_clzero.
1963         * config/i386/i386-options.c (ix86_option_override_internal):
1964         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1965         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1966
1967 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1968
1969         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1970         Rename from tls_global_dynamic_64_<mode>.
1971         (@tls_local_dynamic_base_64_<mode>): Rename from
1972         tls_local_dynamic_base_64_<mode>.
1973         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1974         Remove indirect function.
1975         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1976         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1977         instead of ix86_gen_tls_global_dynamic_64.
1978         Use gen_tls_local_dynamic_base_64 instead of
1979         ix86_gen_tls_local_dynamic_base_64.
1980         * config/i386/i386-options.c (ix86_option_override_internal):
1981         Do not initialize ix86_gen_tls_global_dynamic_64 and
1982         ix86_gen_tls_local_dynamic_base_64.
1983
1984 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1985
1986         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1987         Rename from pro_epilogue_adjust_stack_<mode>_add.
1988         (@pro_epilogue_adjust_stack_sub_<mode>)
1989         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1990         (@allocate_stack_worker_probe_<mode>):
1991         Rename from allocate_stack_worker_probe_<mode>.
1992         (allocate_stack): Use gen_allocate_stack_worker_probe.
1993         (probe_stack): Use gen_probe_stack_1.
1994         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1995         (@adjust_stack_and_probe_<mode>): Rename from
1996         adjust_stack_and_probe<mode>.
1997         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1998         (stack_protect_set): Use gen_stack_protect_set_1.
1999         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
2000         (stack_protect_test): Use gen_stack_protect_test_1.
2001         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
2002         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
2003         Remove indirect function.
2004         (*ix86_gen_adjust_stack_and_probe): Ditto.
2005         (*ix86_gen_probe_stack_range): Ditto.
2006         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
2007         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
2008         (ix86_adjust_stack_and_probe_stack_clash): Use
2009         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
2010         (ix86_adjust_stack_and_probe): Ditto.
2011         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
2012         of ix86_gen_probe_stack_range.
2013         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
2014         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
2015         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
2016         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
2017         CODE_FOR_stack_protect_test_{si,di}.
2018         * config/i386/i386-options.c (ix86_option_override_internal):
2019         Do not initialize ix86_gen_allocate_stack_worker,
2020         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2021
2022 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
2023
2024         * doc/invoke.texi (Link Options): Many editorial changes around
2025         -flinker-output.
2026
2027 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2028
2029         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
2030         pre-Solaris 11 referene and most Studio compiler details.
2031
2032 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
2033
2034         PR target/90530
2035         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
2036         DImode to SImode in floating-point registers on 64-bit target.
2037         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
2038         register_operand in xmpyu patterns.
2039
2040 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2041
2042         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
2043         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
2044         OMP_CLAUSE__REDUCTEMP_.
2045         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
2046         OMP_CLAUSE__CONDTEMP_.
2047         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
2048         * tree-pretty-print.c (dump_omp_clause): Likewise.
2049         * tree-nested.c (convert_nonlocal_omp_clauses,
2050         convert_local_omp_clauses): Likewise.
2051         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
2052         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
2053         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
2054         on OMP_FOR.
2055         (gimplify_omp_for): Warn and disable conditional modifier from
2056         lastprivate on loop iterators.
2057         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
2058         member.
2059         * omp-general.c (omp_extract_for_data): Initialize it.
2060         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
2061         member.
2062         (delete_omp_context): Delete it.
2063         (lower_lastprivate_conditional_clauses): New function.
2064         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
2065         handle lastprivate conditional clauses.
2066         (lower_reduction_clauses): Add CLIST argument, emit it into
2067         the critical section if any.
2068         (lower_omp_sections): Adjust lower_lastprivate_clauses and
2069         lower_reduction_clauses callers.
2070         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
2071         to lower_lastprivate_clauses.
2072         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
2073         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
2074         clist into a critical section if not emitted there already by
2075         lower_reduction_clauses.
2076         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
2077         callers.
2078         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
2079         conditional variables.
2080         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
2081         clause is present.
2082         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2083         expand_omp_for_static_chunk): Handle lastprivate conditional.
2084         (expand_omp_for): Handle fd.lastprivate_conditional like
2085         fd.have_reductemp.
2086
2087 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2088
2089         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
2090         kernel does not exit cleanly.
2091         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
2092
2093 2019-05-24  Jason Merrill  <jason@redhat.com>
2094
2095         Revert:
2096         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2097
2098 2019-05-24  Richard Biener  <rguenther@suse.de>
2099
2100         PR testsuite/90607
2101         * tree-loop-distribution.c (struct partition): Add location
2102         member.
2103         (partition_alloc): Initialize all fields.
2104         (generate_memset_builtin): Use the location recorded in the
2105         partition for the generated call.
2106         (generate_memcpy_builtin): Likewise.
2107         (classify_partition): Record the location of a single store
2108         as location for the partition.
2109
2110 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2111
2112         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
2113         for lo-part.
2114
2115 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
2116
2117         PR target/90588
2118         * common/config/aarch64/aarch64-common.c
2119         (aarch64_rewrite_selected_cpu): Change local temporary variable
2120         type from unsigned long to uint64_t.
2121         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
2122         aarch64_get_extension_string_for_isa_flags): Change declaration to
2123         match new definition by replacing unsigned long with uint64_t.
2124
2125 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2126
2127         PR target/90568
2128         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
2129         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
2130         Handle stack_protect_test_<mode> codegen similarly to corresponding
2131         sub instruction.
2132
2133 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
2134
2135        * config/i386/darwin.h: Reject -mfentry*.
2136        * doc/sourcebuild.texi: Document mfentry target support.
2137
2138 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2139
2140         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
2141         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
2142         false for PC-relative functions.
2143         (rs6000_output_function_prologue): Change called function name to
2144         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
2145         name,1" for PC-relative functions.
2146         (rs6000_elf_declare_function_name): Change called function name to
2147         rs6000_global_entry_point_prologue_needed_p.
2148
2149 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
2150
2151         PR target/90552
2152         * config/i386/i386.c (gen_rtx_cost):
2153         Use ix86_tune_cost instead of ix86_cost.
2154
2155 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2156             Michael Meissner  <meissner@linux.ibm.com>
2157             Segher Boessenkool  <segher@kernel.crashing.org>
2158
2159         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
2160         OPTION_MASK_PCREL.
2161         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
2162         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
2163         (rs6000_fndecl_pcrel_p): Likewise.
2164         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
2165         error if -mpcrel is requested without -mcpu=future.
2166         (rs6000_opt_masks): Add entry for pcrel.
2167         (rs6000_fndecl_pcrel_p): New function.
2168         (rs6000_pcrel_p): Likewise.
2169         * config/rs6000/rs6000.opt (mpcrel): New option.
2170         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
2171
2172 2019-05-23  Jan Hubicka  <jh@suse.cz>
2173             Martin Liska  <mliska@suse.cz>
2174
2175         PR tree-optimization/90576
2176         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
2177         poly_int_tree_p.
2178         (aliasing_component_refs_p): Fix three way size compare conditional;
2179         give up earlier in case we can not decide on equivalence.
2180
2181 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2182             Michael Meissner  <meissner@linux.ibm.com>
2183             Segher Boessenkool  <segher@kernel.crashing.org>
2184
2185         * config.gcc: Add future cpu.
2186         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
2187         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
2188         #define.
2189         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2190         (RS6000_CPU): New instantiation for future cpu.
2191         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2192         PROCESSOR_FUTURE.
2193         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2194         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2195         * config/rs6000/rs6000-tables.opt: Regenerate.
2196         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2197         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2198         (rs6000_machine_from_flags): Handle future cpu.
2199         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2200         PROCESSOR_POWER9 for now.
2201         (rs6000_adjust_cost): Likewise.
2202         (rs6000_issue_rate): Likewise.
2203         (rs6000_register_move_cost): Likewise.
2204         (rs6000_opt_masks): Add entry for future.
2205         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2206         (MASK_FUTURE): New #define.
2207         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2208         * config/rs6000/rs6000.opt (mfuture): New target option.
2209         * doc/invoke.texi (mcpu): Add future cpu.
2210
2211 2019-05-23  Martin Liska  <mliska@suse.cz>
2212
2213         PR c++/90587
2214         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2215         operation points to a temporary (pointed via tree_to_wide_ref)
2216         that is out of scope after the &.
2217
2218 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2219
2220         PR c++/90592
2221         * doc/extend.texi (Function Names): Add missing word.
2222
2223 2019-05-23  Richard Biener  <rguenther@suse.de>
2224
2225         PR tree-optimization/88440
2226         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2227         at -O[2s]+.
2228         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2229         generated call.
2230         (generate_memcpy_builtin): Likewise.
2231         (distribute_loop): Pass in whether to only distribute patterns.
2232         (prepare_perfect_loop_nest): Also allow size optimization.
2233         (pass_loop_distribution::execute): When optimizing a loop
2234         nest for size allow pattern replacement.
2235
2236 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2237
2238         PR target/90568
2239         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2240         of xor.
2241
2242 2019-05-23  Martin Liska  <mliska@suse.cz>
2243
2244         PR sanitizer/90570
2245         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2246         expression similarly to gimplify_decl_expr.
2247
2248 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2249
2250         * cse.c (cse_dump_path): s/dump_file/f.
2251
2252 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2253
2254         PR c++/90462
2255         * diagnostic-format-json.cc: Include "selftest.h".
2256         (json_from_expanded_location): Only add "file" key for non-NULL
2257         file strings.
2258         (json_from_location_range): Don't add "start" and "finish"
2259         children if they are UNKNOWN_LOCATION.
2260         (selftest::test_unknown_location): New selftest.
2261         (selftest::test_bad_endpoints): New selftest.
2262         (selftest::diagnostic_format_json_cc_tests): New function.
2263         * json.cc (json::object::get): New function.
2264         (selftest::test_object_get): New selftest.
2265         (selftest::json_cc_tests): Call it.
2266         * json.h (json::object::get): New decl.
2267         * selftest-run-tests.c (selftest::run_tests): Call
2268         selftest::diagnostic_format_json_cc_tests.
2269         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2270         decl.
2271
2272 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2273             Andrew Stubbs  <amd@codesourcery.com>
2274
2275         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2276         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2277         (kernel): Rename to...
2278         (main_kernel): ... this.
2279         (load_image): Load _init_array and _fini_array kernels.
2280         (run): Add argument for kernel to run.
2281         (main): Run init_array_kernel before main_kernel, and
2282         fini_array_kernel after.
2283         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2284         amdgpu_hsa_kernel attribute on functions.
2285         (gcn_disable_constructors): Delete.
2286         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2287         * config/gcn/crt0.c (size_t): Define.
2288         (_init_array, _fini_array): New.
2289         (__preinit_array_start, __preinit_array_end,
2290         __init_array_start, __init_array_end,
2291         __fini_array_start, __fini_array_end): Declare weak references.
2292
2293 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2294
2295         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2296
2297 2019-05-22  Jason Merrill  <jason@redhat.com>
2298
2299         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2300
2301 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2302
2303         PR target/88483
2304         * config/i386/i386-options.c (ix86_init_machine_status): Set
2305         stack_frame_required to true.
2306         * config/i386/i386.c (ix86_get_frame_size): New function.
2307         (ix86_frame_pointer_required): Replace get_frame_size with
2308         ix86_get_frame_size.
2309         (ix86_compute_frame_layout): Likewise.
2310         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2311         stack_frame_required.
2312         (ix86_finalize_stack_frame_flags): Always call
2313         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2314         ix86_get_frame_size.
2315         * config/i386/i386.h (machine_function): Add stack_frame_required.
2316
2317 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2318
2319         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2320
2321 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2322
2323         * common/config/aarch64/aarch64-common.c
2324         (struct aarch64_option_extension, struct processor_name_to_arch,
2325         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2326         aarch64_contains_opt,
2327         aarch64_get_extension_string_for_isa_flags): Change type of
2328         variables storing flags to uint64_t.
2329         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2330         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2331         * config/aarch64/aarch64.c (struct processor,
2332         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2333         aarch64_validate_march, aarch64_override_options,
2334         aarch64_option_print, aarch64_handle_attr_isa_flags,
2335         aarch64_declare_function_name, aarch64_start_file): Make flag
2336         variables uint64_t.
2337         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2338         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2339         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2340         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2341         * config/aarch64/driver-aarch64.c
2342         (struct aarch64_arch_extension, struct aarch64_core_data,
2343         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2344         flag variables uint64_t.
2345         * doc/invoke.texi: Add documentation for new arguments.
2346
2347 2019-05-22  Richard Biener  <rguenther@suse.de>
2348
2349         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2350         rewrite ...
2351         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2352
2353 2019-05-22  Martin Liska  <mliska@suse.cz>
2354
2355         PR lto/90500
2356         * doc/extend.texi: Document the change.
2357
2358 2019-05-22  Richard Biener  <rguenther@suse.de>
2359
2360         PR tree-optimization/90450
2361         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2362         (mem_ref_hasher::equal): Check it.
2363         (mem_ref_alloc): Initialize it.
2364         (gather_mem_refs_stmt): Set it.
2365
2366 2019-05-22  Richard Biener  <rguenther@suse.de>
2367
2368         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2369         Add ABS_EXPR.
2370         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2371         as ABSU_EXPR.
2372
2373 2019-05-22  Alan Modra  <amodra@gmail.com>
2374
2375         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2376         (ASM_CPU_SPEC): Conditionally add -many.
2377         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2378         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2379         (rs6000_file_start): ..extracted from here, and modified to
2380         test all ISA bits.
2381         (rs6000_output_function_prologue): Emit .machine as necessary.
2382         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2383         power mnemonics.
2384         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2385         added by check_vect_support_and_set_flags.
2386         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2387         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2388
2389 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2390
2391         PR middle-end/90553
2392         * ira-lives.c (process_bb_node_lives): Consider defs
2393         for a call insn to be die before the call, not after.
2394
2395         * function.c (assign_parm_setup_block): Raise alignment of
2396         stacked parameter only for STRICT_ALIGNMENT targets.
2397
2398 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2399
2400         * config/rs6000/constraints.md (define_register_constraint "wz"):
2401         Delete.
2402         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2403         RS6000_CONSTRAINT_wz.
2404         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2405         (rs6000_init_hard_regno_mode_ok): Adjust.
2406         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2407         * doc/md.texi (Machine Constraints): Adjust.
2408
2409 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2410
2411         * config/rs6000/constraints.md (define_register_constraint "wl"):
2412         Delete.
2413         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2414         RS6000_CONSTRAINT_wl.
2415         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2416         (rs6000_init_hard_regno_mode_ok): Adjust.
2417         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2418         * doc/md.texi (Machine Constraints): Adjust.
2419
2420 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2421
2422         * config/rs6000/constraints.md (define_register_constraint "wm"):
2423         Delete.
2424         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2425         RS6000_CONSTRAINT_wm.
2426         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2427         (rs6000_init_hard_regno_mode_ok): Adjust.
2428         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2429         * doc/md.texi (Machine Constraints): Adjust.
2430
2431 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2432
2433         * config/rs6000/constraints.md (define_register_constraint "wk"):
2434         Delete.
2435         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2436         RS6000_CONSTRAINT_wk.
2437         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2438         (rs6000_init_hard_regno_mode_ok): Adjust.
2439         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2440         * doc/md.texi (Machine Constraints): Adjust.
2441
2442 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2443
2444         * config/rs6000/constraints.md (define_register_constraint "wj"):
2445         Delete.
2446         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2447         RS6000_CONSTRAINT_wj.
2448         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2449         (rs6000_init_hard_regno_mode_ok): Adjust.
2450         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2451         (VS_64dm): Delete.
2452         * config/rs6000/vsx.md: Ditto.
2453         * doc/md.texi (Machine Constraints): Adjust.
2454
2455 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2456
2457         * config/rs6000/constraints.md (define_register_constraint "wh"):
2458         Delete.
2459         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2460         RS6000_CONSTRAINT_wh.
2461         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2462         (rs6000_init_hard_regno_mode_ok): Adjust.
2463         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2464         * doc/md.texi (Machine Constraints): Adjust.
2465
2466 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2467
2468         PR target/90547
2469         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2470         Avoid calling gen_lowpart with CONST operand.
2471
2472 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2473
2474         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2475         field template_last_to_copy.
2476         (ssa_create_duplicates): Set it, and use it.  Attempt to
2477         preserve more debug stmts.
2478
2479 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2480
2481         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2482         (signbit<mode>2): New expander
2483
2484 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2485
2486         PR bootstrap/87338
2487         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2488         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2489
2490 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2491
2492         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2493         %ebx and %ecx bafore calling cpuid with leaf 1 or
2494         non-constant leaf argument.
2495
2496 2019-05-21  Alan Modra  <amodra@gmail.com>
2497
2498         PR target/90545
2499         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2500         power9 direct move cost.
2501         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2502         Correct comments and rename functions to suit parameters.
2503
2504 2019-05-21  Richard Biener  <rguenther@suse.de>
2505
2506         PR middle-end/90510
2507         * fold-const.c (fold_read_from_vector): New function.
2508         * fold-const.h (fold_read_from_vector): Declare.
2509         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2510         single-element insert permutations.  Canonicalize selector
2511         further and fix issue with last commit.
2512
2513 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2514
2515         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2516         parameter with default value false to declaration.
2517         (split_edges_for_insertion): New inline function.  Wrapper for
2518         split_critical_edges with for_edge_insertion_p = true.
2519         * tree-cfg.c (split_critical_edges): Don't split non-critical
2520         edges if for_edge_insertion_p is false.  Fix whitespace.
2521         * tree-ssa-pre.c (pass_pre::execute): Call
2522         split_edges_for_insertion instead of split_critical_edges.
2523         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2524         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2525         (pass_data_sink_code): Update function name in the comment.
2526
2527 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2528
2529         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2530         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2531         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2532         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2533         positives.
2534
2535 2019-05-21  Martin Liska  <mliska@suse.cz>
2536
2537         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2538         an extra newline.
2539         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2540         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2541         vec_lvsr.
2542         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2543         Quote a C type.
2544         (rs6000_function_arg): Likewise.
2545         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2546         (rs6000_expand_ternop_builtin): Use interval syntax.
2547         (get_element_number): Likewise.
2548         (altivec_expand_builtin): Likewise.
2549         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2550
2551 Fix test-suite.
2552
2553 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2554
2555         PR c++/59813
2556         PR target/90418
2557         * function.h (struct function): Add calls_eh_return member.
2558         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2559         gimplifying __builtin_eh_return call.
2560         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2561         to cfun.
2562         (expand_call_inline): Or in src_cfun->calls_eh_return into
2563         dst_cfun->calls_eh_return.
2564         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2565         cfun->calls_eh_return.
2566         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2567         * lto-streamer-out.c (output_struct_function_base): Write
2568         calls_eh_return.
2569
2570 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2571
2572         PR rtl-optimization/43147
2573         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2574         IX86_BUILTIN_SHUFPD.
2575
2576 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2577
2578         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2579         (refs_may_alias_p_1): ... here; update stats.
2580         (refs_may_alias_p): Do not update stats here.
2581
2582 2019-05-20  Richard Biener  <rguenther@suse.de>
2583
2584         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2585         doesn't produce pointers.
2586         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2587         the first operand points to.
2588
2589 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2590
2591         * tree-ssa-alias.c (compare_sizes): New function.
2592         (sompare_type_sizes): New function
2593         (aliasing_component_refs_p): Use it.
2594         (indirect_ref_may_alias_decl_p): Likewise.
2595
2596 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2597
2598         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2599
2600 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2601
2602         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2603         (LIBLSAN_EARLY_SPEC): Likewise.
2604         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2605
2606 2019-05-20  Martin Liska  <mliska@suse.cz>
2607
2608         * config/i386/i386.c (ix86_libc_has_fast_function):
2609         Add ATTRIBUTE_UNUSED for the argument.
2610
2611 2019-05-20  Richard Biener  <rguenther@suse.de>
2612
2613         * gimple-match-head.c: Include vec-perm-indices.h.
2614         * generic-match-head.c: Likewise.
2615         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2616         is included.
2617         * fold-const.c (fold_vec_perm): Export.
2618         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2619         (match.pd): ...here.
2620
2621 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2622
2623         * cfgloop.h (struct loop): Add simdlen member.
2624         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2625         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2626         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2627         as new argument to autovectorize_vector_sizes target hook.  If
2628         loop->simdlen, pick up vector size where the vectorization factor
2629         is equal to loop->simd, and if there is none, fall back to the first
2630         successful one.
2631         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2632         caller.
2633         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2634         * omp-general.c (omp_max_vf): Likewise.
2635         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2636         * tree-vect-slp.c (vect_slp_bb): Likewise.
2637         * target.def (autovectorize_vector_sizes): Add ALL argument and
2638         document it.
2639         * doc/tm.texi: Adjust documentation.
2640         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2641         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2642         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2643         bool argument.
2644         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2645         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2646         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2647         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2648         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2649         preferred vector size is not 512-bit or 256-bit, just put those
2650         unpreferred ones last.
2651
2652 2019-05-20  Martin Liska  <mliska@suse.cz>
2653
2654         * targhooks.c (default_libc_has_fast_function): New function.
2655         * targhooks.h (default_libc_has_fast_function): Likewise.
2656
2657 2019-05-20  Martin Liska  <mliska@suse.cz>
2658
2659         PR middle-end/90263
2660         * builtins.c (expand_builtin_memory_copy_args): When having a
2661         target with fast mempcpy implementation do now use memcpy.
2662         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2663         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2664         * doc/tm.texi: Likewise.
2665         * doc/tm.texi.in: Likewise.
2666         * target.def:
2667         * expr.c (emit_block_move_hints): Add 2 new arguments.
2668         * expr.h (emit_block_move_hints): Bail out when libcall
2669         to memcpy would be used.
2670
2671 2019-05-20  Martin Liska  <mliska@suse.cz>
2672
2673         * profile-count.c: Add vertical spacing in order
2674         to separate functions.
2675         * profile-count.h: Likewise.
2676
2677 2019-05-20  Martin Liska  <mliska@suse.cz>
2678
2679         * profile-count.h: Do not use full qualified
2680         names if possible.
2681         * profile-count.c (profile_count::to_frequency): Likewise.
2682
2683 2019-05-20  Martin Liska  <mliska@suse.cz>
2684
2685         * profile-count.h (enum profile_quality): Use capital letters
2686         for enum value names.  Use the adjusted names.
2687         * profile-count.c: Use the adjusted names.
2688
2689 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2690
2691         * config/rs6000/constraints.md (define_register_constraint "wH"):
2692         Delete.
2693         (define_register_constraint "wI"): Delete.
2694         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2695         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2696         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2697         (rs6000_init_hard_regno_mode_ok): Adjust.
2698         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2699         resp. "d", or with "wa" as appropriate, all with "p8v".
2700         * config/rs6000/vsx.md: Ditto.
2701         * doc/md.texi (Machine Constraints): Adjust.
2702
2703 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2704
2705         * config/rs6000/constraints.md (define_register_constraint "wy"):
2706         Delete.
2707         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2708         RS6000_CONSTRAINT_wy.
2709         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2710         (rs6000_init_hard_regno_mode_ok): Adjust.
2711         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2712         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2713         (define_mode_attr Fisa): New.
2714         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2715         * doc/md.texi (Machine Constraints): Adjust.
2716
2717 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2718
2719         * config/rs6000/constraints.md (define_register_constraint "wu"):
2720         Delete.
2721         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2722         RS6000_CONSTRAINT_wu.
2723         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2724         (rs6000_init_hard_regno_mode_ok): Adjust.
2725         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2726         both with "p8v".
2727         (define_mode_attr Fa): Delete.
2728         * config/rs6000/vsx.md: Ditto.
2729         * doc/md.texi (Machine Constraints): Adjust.
2730
2731 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2732
2733         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2734         Delete.
2735         (define_register_constraint "wK"): Delete.
2736         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2737         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2738         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2739         (rs6000_init_hard_regno_mode_ok): Adjust.
2740         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2741         Replace "wK" constraint by "wH" with "p9v".
2742         * config/rs6000/vsx.md: Ditto.
2743         * doc/md.texi (Machine Constraints): Adjust.
2744
2745 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2746
2747         * config/rs6000/constraints.md (define_register_constraint "wb"):
2748         Delete.
2749         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2750         RS6000_CONSTRAINT_wb.
2751         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2752         (rs6000_init_hard_regno_mode_ok): Adjust.
2753         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2754         * config/rs6000/vsx.md: Ditto.
2755         * doc/md.texi (Machine Constraints): Adjust.
2756
2757 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2758
2759         * config/rs6000/constraints.md (define_register_constraint "wo"):
2760         Delete.
2761         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2762         RS6000_CONSTRAINT_wo.
2763         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2764         (rs6000_init_hard_regno_mode_ok): Adjust.
2765         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2766         * config/rs6000/altivec.md: Ditto.
2767         * doc/md.texi (Machine Constraints): Adjust.
2768
2769 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2770
2771         * config/darwin-c.c (darwin_register_objc_includes): Do not
2772         prepend the sysroot when building gnu-runtime header search
2773         paths.
2774
2775 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2776
2777         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2778         instead of direct output of the asm.
2779
2780 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2781
2782         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2783         argument to be type bool (was int before).
2784         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2785         at first use.  Use type bool for some variables.  Fix a theoretical
2786         eh_return bug for svr4.
2787
2788 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2789
2790         * config/rs6000/rs6000.md (isa): New attribute.
2791         (enabled): New attribute.
2792
2793 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2794
2795         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2796         assemble_start_function and assemble_end_function.
2797
2798 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2799
2800         PR middle-end/89433
2801         * omp-general.c (oacc_verify_routine_clauses): Change formal
2802         parameters.  Add checking if already marked with an OpenACC
2803         'routine' directive.  Adjust all users.
2804
2805         PR middle-end/89433
2806         * omp-general.c (oacc_build_routine_dims): Move some of its
2807         processing into...
2808         (oacc_verify_routine_clauses): ... this new function.
2809         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2810
2811 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2812
2813         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2814         formating of picbase labels to match other ports.
2815
2816 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2817
2818         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2819         in the generated code.
2820
2821 2019-05-16  Martin Sebor  <msebor@redhat.com>
2822
2823         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2824         identifiers, keywords, operators, and types in diagnostics.  Correct
2825         quoting, spelling, and sentence capitalization issues.
2826         (expand_builtin_atomic_is_lock_free): Same.
2827         (fold_builtin_next_arg): Same.
2828         * cfgexpand.c (expand_one_var): Same.
2829         (tree_conflicts_with_clobbers_p): Same.
2830         (expand_asm_stmt): Same.
2831         (verify_loop_structure): Same.
2832         * cgraphunit.c (process_function_and_variable_attributes): Same.
2833         * collect-utils.c (collect_execute): Same.
2834         * collect2.c (maybe_run_lto_and_relink): Same.
2835         (is_lto_object_file): Same.
2836         (scan_prog_file): Same.
2837         * convert.c (convert_to_real_1): Same.
2838         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2839         * except.c (verify_eh_tree): Same.
2840         * gcc.c (execute): Same.
2841         (eval_spec_function): Same.
2842         (run_attempt): Same.
2843         (driver::set_up_specs): Same.
2844         (compare_debug_auxbase_opt_spec_function): Same.
2845         * gcov-tool.c (unlink_gcda_file): Same.
2846         (do_merge): Same.
2847         (do_rewrite): Same.
2848         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2849         * gimplify.c (gimplify_asm_expr): Same.
2850         (gimplify_adjust_omp_clauses): Same.
2851         * hsa-gen.c (gen_hsa_addr_insns): Same.
2852         (gen_hsa_insns_for_load): Same.
2853         (gen_hsa_cmp_insn_from_gimple): Same.
2854         (gen_hsa_insns_for_operation_assignment): Same.
2855         (gen_get_level): Same.
2856         (gen_hsa_alloca): Same.
2857         (omp_simple_builtin::generate): Same.
2858         (gen_hsa_atomic_for_builtin): Same.
2859         (gen_hsa_insns_for_call): Same.
2860         * input.c (dump_location_info): Same.
2861         * ipa-devirt.c (compare_virtual_tables): Same.
2862         * ira.c (ira_setup_eliminable_regset): Same.
2863         * lra-assigns.c (lra_assign): Same.
2864         * lra-constraints.c (lra_constraints): Same.
2865         * lto-streamer-in.c (lto_input_mode_table): Same.
2866         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2867         (merge_and_complain): Same.
2868         (compile_offload_image): Same.
2869         (compile_images_for_offload_targets): Same.
2870         (debug_objcopy): Same.
2871         (run_gcc): Same.
2872         (main): Same.
2873         * opts.c (print_specific_help): Same.
2874         (parse_no_sanitize_attribute): Same.
2875         (print_help): Same.
2876         (handle_param): Same.
2877         * plugin.c (add_new_plugin): Same.
2878         (parse_plugin_arg_opt): Same.
2879         (try_init_one_plugin): Same.
2880         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2881         operators, and types in diagnostics.  Correct quoting and spelling
2882         issues.
2883         * read-rtl-function.c (parse_edge_flag_token): Same.
2884         (function_reader::parse_enum_value): Same.
2885         * reg-stack.c (check_asm_stack_operands): Same.
2886         * regcprop.c (validate_value_data): Same.
2887         * sched-rgn.c (make_pass_sched_fusion): Same.
2888         * stmt.c (check_unique_operand_names): Same.
2889         * targhooks.c (default_target_option_pragma_parse): Same.
2890         * tlink.c (recompile_files): Same.
2891         * toplev.c (process_options): Same.
2892         (do_compile): Same.
2893         * trans-mem.c (diagnose_tm_1): Same.
2894         (ipa_tm_scan_irr_block): Same.
2895         (ipa_tm_diagnose_transaction): Same.
2896         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2897         format a tree code name in a diagnostic.
2898         (verify_types_in_gimple_min_lval): Same.
2899         (verify_types_in_gimple_reference): Same.
2900         (verify_gimple_call): Same.
2901         (verify_gimple_assign_unary): Same.
2902         (verify_gimple_assign_binary): Same.
2903         (verify_gimple_assign_ternary): Same.
2904         (verify_gimple_assign_single): Same.
2905         (verify_gimple_switch): Same.
2906         (verify_gimple_label): Same.
2907         (verify_gimple_phi): Same.
2908         (verify_gimple_in_seq): Same.
2909         (verify_eh_throw_stmt_node): Same.
2910         (collect_subblocks): Same.
2911         (gimple_verify_flow_info): Same.
2912         (do_warn_unused_result): Same.
2913         * tree-inline.c (expand_call_inline): Same.
2914         * tree-into-ssa.c (update_ssa): Same.
2915         * tree.c (tree_int_cst_elt_check_failed): Same.
2916         (tree_vec_elt_check_failed): Same.
2917         (omp_clause_operand_check_failed): Same.
2918         (verify_type_variant): Same.
2919         (verify_type): Same.
2920         * value-prof.c (verify_histograms): Same.
2921         * varasm.c (assemble_start_function): Same.
2922
2923 2019-05-16  Martin Sebor  <msebor@redhat.com>
2924
2925         * config/i386/i386-expand.c (get_element_number): Quote keywords
2926         and other internal names in diagnostics.  Adjust other diagnostic
2927         formatting issues noted by -Wformat-diag.
2928         * config/i386/i386-features.c
2929         (ix86_mangle_function_version_assembler_name): Same.
2930         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2931         * config/i386/i386.c (ix86_function_type_abi): Same.
2932         (ix86_function_ms_hook_prologue): Same.
2933         (classify_argument): Same.
2934         (ix86_expand_prologue): Same.
2935         (ix86_md_asm_adjust): Same.
2936         (ix86_memmodel_check): Same.
2937
2938 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2939
2940         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2941         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2942         and fpxx modes.
2943
2944 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR target/90497
2947         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2948         intrinsics without SSE/SSE2/SSSE3.
2949         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2950         check.
2951         (*mmx_uavgv8qi3): Likewise.
2952
2953 2019-05-17  Richard Biener  <rguenther@suse.de>
2954
2955         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2956         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2957
2958 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2959
2960         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2961         vec_sldw insn pattern.
2962
2963 2019-05-17  Richard Biener  <rguenther@suse.de>
2964
2965         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2966
2967 2019-05-17  Martin Liska  <mliska@suse.cz>
2968
2969         PR driver/90496
2970         * toplev.c (output_stack_usage): With LTO and sanitizer it
2971         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2972         has no file location.
2973
2974 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2975
2976         PR c++/90484
2977         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2978         sz0 is equal to sz1, instead return false in that case.
2979
2980         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2981         has non-constant expression, force sctx.lane and use two
2982         argument IFN_GOMP_SIMD_LANE instead of single argument.
2983         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2984         two argument IFN_GOMP_SIMD_LANE without lhs.
2985         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2986         member.
2987         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2988         Define.
2989         (LOOP_REQUIRES_VERSIONING): Or in
2990         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2991         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2992         simd_if_cond.
2993         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2994         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2995         from simd if clause if needed.
2996
2997 2019-05-16  Richard Biener  <rguenther@suse.de>
2998
2999         * tree-affine.c (expr_to_aff_combination): New function split
3000         out from...
3001         (tree_to_aff_combination): ... here.
3002         (aff_combination_expand): Avoid building a GENERIC tree.
3003
3004 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
3005
3006         * cgraphunit.c (cgraph_node::expand_thunk): Remove
3007         assemble_start_function and assemble_end_function calls.
3008         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
3009         assemble_start_function and assemble_end_function.
3010         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
3011         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
3012         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
3013         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
3014         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
3015         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
3016         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
3017         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
3018         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3019         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3020         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
3021         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
3022         Likewise.
3023         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3024         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
3025         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
3026         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
3027         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3028         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3029         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
3030         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
3031         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3032         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3033         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3034         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3035         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
3036         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
3037         Likewise.
3038         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3039         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3040         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
3041
3042 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
3043
3044         * tree-ssa-alias.c (alias_stats): Add
3045         aliasing_component_refs_p_may_alias and
3046         aliasing_component_refs_p_no_alias.
3047         (dump_alias_stats): Print aliasing_component_refs_p stats.
3048         (aliasing_component_refs_p): Update stats.
3049
3050 2019-05-16  Martin Liska  <mliska@suse.cz>
3051
3052         PR lto/90500
3053         * multiple_target.c (expand_target_clones): Do not allow
3054         target_clones being used with a symbol that is an alias.
3055
3056 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
3057
3058         PR tree-optimization/90394
3059         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
3060         positives rather than ICE for cases where (code2 == NE_EXPR
3061         && code1 == BIT_AND_EXPR).
3062
3063 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3064
3065         PR fortran/90329
3066         * tree-core.h (struct tree_decl_common): Document
3067         decl_nonshareable_flag for PARM_DECLs.
3068         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
3069         * calls.c (expand_call): Don't try tail call if caller
3070         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
3071         passed on the stack and callee needs to pass any arguments on the
3072         stack.
3073         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
3074         else if instead of series of mutually exclusive ifs.  Handle
3075         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
3076         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3077
3078         * lto-streamer.h (LTO_major_version): Bump to 9.
3079
3080 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
3081
3082         PR tree-optimization/90106
3083         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
3084         new parameter as new internal function call, also move it to new
3085         basic block.
3086         (use_internal_fn): Pass internal function call to
3087         shrink_wrap_one_built_in_call_with_conds.
3088
3089 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
3090
3091         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
3092         max_vf to 1.
3093         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
3094         safelen_int and set loop->dont_vectorize.
3095
3096 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3097
3098         PR target/89021
3099         * config/i386/i386-builtin.def: Enable MMX intrinsics with
3100         SSE/SSE2/SSSE3.
3101         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
3102         Likewise.
3103         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
3104         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
3105         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
3106         is defined.
3107
3108 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3109
3110         PR target/89021
3111         * config/i386/mmx.md (*vec_dupv2sf): Changed to
3112         define_insn_and_split to support SSE emulation.
3113         (*vec_extractv2sf_0): Likewise.
3114         (*vec_extractv2sf_1): Likewise.
3115         (*vec_extractv2si_0): Likewise.
3116         (*vec_extractv2si_1): Likewise.
3117         (*vec_extractv2si_zext_mem): Likewise.
3118         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
3119         (vec_extractv2sf_1 splitter): Likewise.
3120         (vec_extractv2sfsf): Likewise.
3121         (vec_setv2si): Likewise.
3122         (vec_extractv2si_1 splitter): Likewise.
3123         (vec_extractv2sisi): Likewise.
3124         (vec_setv4hi): Likewise.
3125         (vec_extractv4hihi): Likewise.
3126         (vec_setv8qi): Likewise.
3127         (vec_extractv8qiqi): Likewise.
3128         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3129         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
3130         (vec_extractv2sisi): Likewise.
3131         (vec_extractv4hihi): Likewise.
3132         (vec_extractv8qiqi): Likewise.
3133         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3134         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
3135         (vec_initv2sisi): Likewise.
3136         (vec_initv4hihi): Likewise.
3137         (vec_initv8qiqi): Likewise.
3138         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
3139         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
3140         (vec_setv4hi): Likewise.
3141         (vec_setv8qi): Likewise.
3142
3143 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3144
3145         PR target/89021
3146         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
3147         TARGET_MMX_WITH_SSE.
3148         (MMXMODE:*mov<mode>_internal): Likewise.
3149         (MMXMODE:movmisalign<mode>): Likewise.
3150
3151 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
3152
3153         PR target/89021
3154         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
3155         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
3156         (sse2_cvtpd2pi): Ditto.
3157         (sse2_cvttpd2pi): Ditto.
3158         (*vec_concatv2sf_sse4_1): Ditto.
3159         (*vec_concatv2sf_sse): Ditto.
3160         (*vec_concatv2si_sse4_1): Ditto.
3161         (*vec_concatv2si): Ditto.
3162         (*vec_concatv4si_0): Ditto.
3163         (*vec_concatv2di_0): Ditto.
3164
3165 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3166
3167         PR target/89021
3168         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
3169
3170 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3171
3172         PR target/89021
3173         * config/i386/sse.md (ssse3_palignrdi): Changed to
3174         define_insn_and_split to support SSE emulation.
3175
3176 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3177
3178         PR target/89021
3179         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
3180
3181 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3182
3183         PR target/89021
3184         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
3185         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3186         SSE emulation.
3187
3188 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3189
3190         PR target/89021
3191         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3192         or TARGET_MMX_WITH_SSE.
3193         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
3194
3195 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3196
3197         PR target/89021
3198         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
3199
3200 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3201
3202         PR target/89021
3203         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3204         Changed to define_insn_and_split to support SSE emulation.
3205
3206 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3207
3208         PR target/89021
3209         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3210         Changed to define_insn_and_split to support SSE emulation.
3211
3212 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3213
3214         PR target/89021
3215         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3216         (*mmx_<emms>): This.
3217         (mmx_<emms>): New expander.
3218
3219 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3220
3221         PR target/89021
3222         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3223         support.
3224         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3225
3226 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3227
3228         PR target/89021
3229         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3230
3231 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3232
3233         PR target/89021
3234         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3235
3236 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3237
3238         PR target/89021
3239         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3240         TARGET_MMX_WITH_SSE.
3241         (*mmx_uavgv4hi3): Add SSE emulation.
3242
3243 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3244
3245         PR target/89021
3246         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3247         and TARGET_MMX_WITH_SSE.
3248         (*mmx_uavgv8qi3): Add SSE emulation.
3249
3250 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3251
3252         PR target/89021
3253         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3254         maskmovdqu for __MMX_WITH_SSE__.
3255
3256 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3257
3258         PR target/89021
3259         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3260         TARGET_MMX and TARGET_MMX_WITH_SSE.
3261         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3262
3263 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3264
3265         PR target/89021
3266         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3267         define_insn_and_split to support SSE emulation.
3268
3269 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3270
3271         PR target/89021
3272         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3273         and TARGET_MMX_WITH_SSE.
3274         (mmx_<code>v8qi3): Likewise.
3275         (smaxmin:<code>v4hi3): New.
3276         (umaxmin:<code>v8qi3): Likewise.
3277         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3278         (umaxmin:*mmx_<code>v8qi3): Likewise.
3279
3280 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3281
3282         PR target/89021
3283         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3284         TARGET_MMX_WITH_SSE.
3285         (*mmx_pinsrw): Add SSE emulation.
3286
3287 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3288
3289         PR target/89021
3290         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3291
3292 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3293
3294         PR target/89021
3295         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3296         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3297         SSE emulation.
3298
3299 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3300
3301         PR target/89021
3302         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3303         (sse_cvttps2pi): Likewise.
3304
3305 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3306
3307         PR target/89021
3308         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3309         TARGET_MMX_WITH_SSE.
3310         (mmx_pshufw_1): Add SSE emulation.
3311         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3312         TARGET_MMX_WITH_SSE to support SSE emulation.
3313
3314 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3315
3316         PR target/89021
3317         * config/i386/constraints.md (Yw): New constraint.
3318         * config/i386/mmx.md (*vec_dupv2si): Changed to
3319         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3320         support SSE emulation.
3321
3322 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3323
3324         PR target/89021
3325         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3326         TARGET_MMX_WITH_SSE.
3327         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3328         support.
3329         (mmx_gt<mode>3): Likewise.
3330
3331 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3332
3333         PR target/89021
3334         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3335         TARGET_MMX_WITH_SSE.  Add SSE support.
3336
3337 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3338
3339         PR target/89021
3340         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3341         TARGET_MMX_WITH_SSE.
3342         (any_logic:<code><mode>3): New.
3343         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3344         Add SSE support.
3345
3346 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3347
3348         PR target/89021
3349         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3350         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3351         (mmx_<shift_insn><mode>3): Likewise.
3352         (ashr<mode>3): New.
3353         (<shift_insn><mode>3): Likewise.
3354
3355 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3356
3357         PR target/89021
3358         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3359         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3360
3361 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3362
3363         PR target/89021
3364         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3365         TARGET_MMX_WITH_SSE.
3366         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3367         SSE support.
3368
3369 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3370
3371         PR target/89021
3372         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3373         TARGET_MMX_WITH_SSE.
3374         (mulv4hi3): New.
3375         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3376         support.
3377
3378 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3379
3380         PR target/89021
3381         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3382         (plusminus:mmx_<plusminus_insn><mode>3): Check
3383         TARGET_MMX_WITH_SSE.
3384         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3385         (<plusminus_insn><mode>3): New.
3386         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3387         (*mmx_<plusminus_insn><mode>3): Likewise.
3388
3389 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3390
3391         PR target/89021
3392         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3393         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3394         prototype.
3395         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3396         define_insn_and_split to support SSE emulation.
3397         (mmx_punpcklbw): Likewise.
3398         (mmx_punpckhwd): Likewise.
3399         (mmx_punpcklwd): Likewise.
3400         (mmx_punpckhdq): Likewise.
3401         (mmx_punpckldq): Likewise.
3402
3403 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3404             Uros Bizjak  <ubizjak@gmail.com>
3405
3406         PR target/89021
3407         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3408         New function.
3409         (ix86_split_mmx_pack): Likewise.
3410         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3411         New prototype.
3412         (ix86_split_mmx_pack): Likewise.
3413         * config/i386/i386.md (mmx_isa): New.
3414         (enabled): Also check mmx_isa.
3415         * config/i386/mmx.md (any_s_truncate): New code iterator.
3416         (s_trunsuffix): New code attr.
3417         (mmx_packsswb): Removed.
3418         (mmx_packssdw): Likewise.
3419         (mmx_packuswb): Likewise.
3420         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3421         MMX packsswb/packuswb with SSE2.
3422         (mmx_packssdw): Likewise.
3423         * config/i386/predicates.md (register_mmxmem_operand): New.
3424
3425 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3426
3427         PR target/89021
3428         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3429         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3430         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3431         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3432         (ix86_vector_mode_supported_p): Likewise.
3433         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3434
3435 2019-05-15  Martin Liska  <mliska@suse.cz>
3436
3437         PR middle-end/90478
3438         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3439         Check for overflow.
3440
3441 2019-05-15  Richard Biener  <rguenther@suse.de>
3442
3443         * tree-into-ssa.c (pass_build_ssa::execute): Run
3444         update_address_taken before going into SSA.
3445
3446 2019-05-15  Richard Biener  <rguenther@suse.de>
3447
3448         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3449         as __BIT_FIELD_REF with type with -gimple.
3450
3451 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3452
3453         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3454         semantically equivalent branches (left over after prior refactorings).
3455
3456 2019-05-15  Richard Biener  <rguenther@suse.de>
3457
3458         PR tree-optimization/88828
3459         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3460         bogus check.
3461
3462 2019-05-14  Richard Biener  <rguenther@suse.de>
3463
3464         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3465         as __VIEW_CONVERT with -gimple.
3466
3467 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3468
3469         PR target/82920
3470         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3471         Darwin.
3472
3473 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3474
3475         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3476         define_split to become a define_insn_and_split.
3477
3478 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3479
3480         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3481         arguments.
3482         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3483         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3484         (sibcall_epilogue): Adjust.
3485         (epilogue): Adjust.
3486
3487 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3488
3489         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3490         to unsupported ones.
3491         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3492         * config.host: Likewise.
3493         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3494         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3495         __svr4__]: Remove "brand" fallback.
3496         [!KSTAT_DATA_STRING]: Remove.
3497         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3498         to *-*-solaris2*.
3499         (comdat_group): Likewise.
3500         (set_have_as_tls): Likewise.
3501         (gcc_cv_target_dl_iterate_phdr): Likewise.
3502         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3503         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3504         * configure: Regenerate.
3505         * doc/install.texi: Simplify Solaris target triplets.
3506         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3507         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3508         Remove Solaris 10 references.
3509         Remove obsolete Solaris bug reference.
3510         (Specific, sparc-sun-solaris2.10): Remove.
3511
3512 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3513
3514         * config/i386/i386.md (any_div): New code iterator.
3515         (paired_mod): New code attribute.
3516         (sgnprefix): Handle DIV and UDIV RTXes.
3517         (u): Ditto.
3518         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3519         and udivmod<mode>4 patterns using any_div code iterator.
3520         (divmod splitters): Macroize splitters using any_div code iterator.
3521         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3522         (*udivmodsi4_pow2_zext_2): Ditto.
3523         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3524         and *udivmod<mode>4_noext patterns using any_div code iterator.
3525         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3526         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3527         patterns using any_div code iterator.
3528         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3529         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3530         patterns using any_div code iterator.
3531         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3532         udivmodhiqi3 patterns using any_extend code iterator.
3533
3534 2019-05-14  Richard Biener  <rguenther@suse.de>
3535             H.J. Lu  <hongjiu.lu@intel.com>
3536
3537         PR tree-optimization/88828
3538         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3539         permuting in a single non-constant element not extracted
3540         from a vector.
3541
3542 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3543
3544         * internal-fn.def (SIGNBIT): New.
3545         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3546         defined.
3547         (signbitv4sf2): Likewise.
3548
3549 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3550
3551         PR target/90357
3552         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3553         next insn when the SRC reg is dead.
3554
3555 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3556
3557         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3558         (alloc_cand_and_find_basis): Ditto.
3559         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3560         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3561         (create_add_imm_cand, slsr_process_cast): Ditto.
3562         (slsr_process_copy, replace_mult_candidate): Ditto.
3563         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3564         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3565         (pass_strength_reduction::execute): Init the first NULL element.
3566
3567 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3568
3569         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3570         (run_attempt): Reformat line break.
3571
3572 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3573
3574         PR target/90418
3575         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3576         data registers in sibcall epilogues.
3577         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3578
3579 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3580
3581         PR target/89221
3582         * configure.ac (--enable-frame-pointer):
3583         Disable by default for cygwin and mingw.
3584         * configure: Regenerate.
3585
3586 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3587
3588         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3589         piece of code.
3590         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3591         (gen_member_die): Move abstract origin check earlier.  Only VARs
3592         can be static_inline_p.  Simplify splicing control flow.
3593
3594 2019-05-13  Richard Biener  <rguenther@suse.de>
3595
3596         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3597         VIEW_CONVERT_EXPR.
3598         (vect_build_slp_tree_1): Likewise.
3599
3600 2019-05-13  Richard Biener  <rguenther@suse.de>
3601
3602         PR tree-optimization/90402
3603         * tree-if-conv.c (tree_if_conversion): Value number only
3604         the loop body by making the latch an exit of the region
3605         as well.
3606         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3607         processing PHIs.
3608         (do_rpo_vn): Deal with multiple edges into the entry block
3609         that are not backedges inside the region by skipping PHIs
3610         of the entry block.
3611
3612 2019-05-13  Richard Biener  <rguenther@suse.de>
3613
3614         PR tree-optimization/90316
3615         * tree-ssa-pre.c (insert_aux): Fold into ...
3616         (insert): ... this function.  Use a RPO walk to reduce the
3617         number of required iterations.
3618
3619 2019-05-13  Martin Liska  <mliska@suse.cz>
3620
3621         PR tree-optimization/90416
3622         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3623         string instead of passing the second part as va_arg argument.
3624
3625 2019-05-13  Martin Liska  <mliska@suse.cz>
3626
3627         PR gcov-profile/90380
3628         * gcov.c (handle_cycle): Do not support zero cycle count,
3629         it should not be possible.
3630         (path_contains_zero_cycle_arc): New function.
3631         (circuit): Ignore zero cycle arc counts.
3632
3633 2019-05-13  Martin Liska  <mliska@suse.cz>
3634
3635         PR gcov-profile/90380
3636         * gcov.c (enum loop_type): Remove the enum and
3637         the operator.
3638         (handle_cycle): Assert that we should not reach
3639         a negative count.
3640         (circuit): Use loop_found instead of a tri-state loop_type.
3641         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3642         happen.
3643
3644 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3645
3646         PR target/82920
3647         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3648         (ix86_output_indirect_branch_via_reg): Use output mechanism
3649         accounting for __USER_LABEL_PREFIX__.
3650         (ix86_output_indirect_branch_via_push): Likewise.
3651         (ix86_output_function_return): Likewise.
3652         (ix86_output_indirect_function_return): Likewise.
3653
3654 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3655
3656         * doc/md.texi: Document use of code attributes in rtx patterns.
3657         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3658         * read-rtl.c (find_code): Split out search loops into...
3659         (maybe_find_code): ...this new function.
3660         (check_code_iterator): Make the error message more informative.
3661         (check_code_attribute): New function.
3662         (rtx_reader::rtx_alloc_for_name): Likewise.
3663         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3664         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3665         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3666         <max_opp> directly as an rtx code instead of via a match_operator.
3667         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3668         (<su>abd<mode>_3): Update accordingly.
3669
3670 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3671
3672         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3673         is given, print the state of the EH "save world" computation for
3674         Darwin.
3675
3676 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3677
3678         PR c++/59813
3679         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3680         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3681
3682 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3683
3684         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3685         Use pinsrd for TARGET_SSE4_1.
3686         * config/i386/sse.md (movdi_to_sse): Ditto.
3687
3688 2019-05-10  Richard Biener  <rguenther@suse.de>
3689
3690         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3691         (do_rpo_vn): Initialize next_value_id.
3692
3693 2019-05-10  Martin Liska  <mliska@suse.cz>
3694
3695         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3696         Fix plural form.
3697
3698 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3699
3700         PR tree-optimization/90385
3701         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3702         arguments of the exit phis.
3703
3704         PR c++/90383
3705         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3706         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3707         id->do_not_fold.
3708         (copy_tree_body_r): Likewise.
3709         (copy_fn): Set id.do_not_fold to true.
3710
3711 2019-05-10  Martin Liska  <mliska@suse.cz>
3712
3713         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3714         Reapply changes from r269790.
3715
3716 2019-05-10  Martin Liska  <mliska@suse.cz>
3717
3718         PR middle-end/90340
3719         * doc/invoke.texi: New params.
3720         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3721         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3722         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3723         Use it.
3724         * tree-switch-conversion.h (struct jump_table_cluster):
3725         Likewise.
3726
3727 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3728
3729         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3730
3731 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3732
3733         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3734
3735 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3736
3737         PR rtl-optimization/88879
3738         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3739
3740 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3741
3742         PR target/90405
3743         * config/arm/arm.c (callee_saved_reg_p): Move before
3744         thumb_find_work_register.
3745         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3746         thumb_find_work_register.  Only call df_get_live_out once.
3747         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3748         (thumb_find_work_register): Use
3749         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3750         algorithms to locate a spare call clobbered reg.
3751
3752 2019-05-09  Martin Liska  <mliska@suse.cz>
3753
3754         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3755         and MAX_EXPR in GIMPLE FE format.
3756
3757 2019-05-09  Martin Liska  <mliska@suse.cz>
3758
3759         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3760         * gimple-pretty-print.c (dump_gimple_bb_header):
3761         Dump BB count.
3762         (pp_cfg_jump): Dump edge probability.
3763         * profile-count.c (profile_quality_as_string): Simplify
3764         with a static array.
3765         (parse_profile_quality): New function.
3766         (profile_count::dump): Simplify with a static array.
3767         (profile_count::from_gcov_type): Add new argument.
3768         * profile-count.h (parse_profile_quality): Likewise.
3769         * predict.h (set_hot_bb_threshold): New.
3770         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3771         New param.
3772         * predict.c (get_hot_bb_threshold): Set from the new param.
3773         (set_hot_bb_threshold): New.
3774
3775 2019-05-09  Richard Biener  <rguenther@suse.de>
3776
3777         PR tree-optimization/90395
3778         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3779         rewrite vector stores that throw internally.
3780
3781 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3782
3783         * cif-code.def (CHKP): Remove.
3784
3785         PR target/89221
3786         * configure.ac (--enable-frame-pointer): Disable by default for
3787         GNU systems.
3788         * configure: Regenerate.
3789
3790 2019-05-09  Alan Modra  <amodra@gmail.com>
3791
3792         PR target/89271
3793         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3794         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3795         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3796         cost for general <-> vsx when direct moves are available.
3797         Cost union classes at minimal cost for any reg in the class.
3798         Correct calculation for moves between vsx, float, and altivec.
3799         Don't return a low cost for moves between special regs.  Don't
3800         use hard coded register numbers.
3801         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3802         (rs6000_ira_change_pseudo_allocno_class): New function.
3803         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3804         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3805         alternatives.
3806         (movsi_internal1): Don't disparage vector alternatives.
3807         (mov<mode>_internal): Likewise, excepting alternative that
3808         will be split.
3809         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3810         we <- b alternative.
3811
3812 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3813
3814         PR c++/59813
3815         PR tree-optimization/89060
3816         * tree-ssa-live.h (live_vars_map): New typedef.
3817         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3818         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3819         (struct compute_live_vars_data): New type.
3820         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3821         live_vars_at_stmt, destroy_live_vars): New functions.
3822         * tree-tailcall.c: Include tree-ssa-live.h.
3823         (live_vars, live_vars_vec): New global variables.
3824         (find_tail_calls): Perform variable life analysis before punting.
3825         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3826         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3827         member.
3828         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3829         Perform variable life analysis to select variables that really need
3830         clobbers added.
3831         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3832         instead set id->eh_landing_pad_dest and assert it is the same.
3833         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3834
3835 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3836             Richard Earnshaw  <rearnsha@arm.com>
3837
3838         PR target/88167
3839         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3840         function.
3841         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3842         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3843         register if both the epilogue and prologue can use call-clobbered
3844         regs.
3845         (thumb1_unexpanded_epilogue): Use
3846         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3847         picking temporaries for restoring high regs to match that of the
3848         prologue where possible.
3849         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3850         the list of work registers.  Detect if the return address is still live
3851         at the end of the prologue and avoid using it for a work register if so.
3852         If the return address is not live, add LR to the list of pushable regs
3853         after the first pass.
3854
3855 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3856
3857         PR tree-optimization/90078
3858         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3859         (INFTY): Increase the value for infinite cost.
3860         (struct comp_cost): Promote type of members to int64_t.
3861         (infinite_cost): Don't set complexity in initialization.
3862         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3863         overflows to infinite_cost.
3864         (adjust_setup_cost): Promote type of parameter and cost computation
3865         to int64_t.
3866         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3867         int64_t.
3868         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3869         cost computation to int64_t.
3870         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3871         int64_t's format specifier in dump.
3872
3873 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3874
3875         PR tree-optimization/90240
3876         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3877         with respect to scaling factor pre-computed for each basic block.
3878         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3879         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3880         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3881         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3882         live range for array of loop's basic blocks.  Cleanup aux field of
3883         loop's basic blocks.
3884
3885 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR tree-optimization/90356
3888         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3889
3890 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3891
3892         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3893         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3894         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3895         (ix86_handle_option): Handle -mavx512bf16.
3896         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3897         to extra_headers.
3898         * config/i386/avx512bf16vlintrin.h: New.
3899         * config/i386/avx512bf16intrin.h: New.
3900         * config/i386/cpuid.h (bit_AVX512BF16): New.
3901         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3902         * config/i386/i386-builtin-types.def: Add new types.
3903         * config/i386/i386-builtin.def: Add new builtins.
3904         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3905         __AVX512BF16__.
3906         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3907         (ix86_option_override_internal): Handle BF16.
3908         (ix86_valid_target_attribute_inner_p): Ditto.
3909         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3910         * config/i386/i386-builtin.c (enum processor_features): Add
3911         F_AVX512BF16.
3912         (static const _isa_names_table isa_names_table): Ditto.
3913         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3914         (PTA_AVX512BF16): Ditto.
3915         * config/i386/i386.opt: Add -mavx512bf16.
3916         * config/i386/immintrin.h: Include avx512bf16intrin.h
3917         and avx512bf16vlintrin.h.
3918         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3919         avx512f_cvtneps2bf16_<mode><mask_name>,
3920         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3921         * config/i386/subst.md (mask_half): Add new subst.
3922         * doc/invoke.texi: Document -mavx512bf16.
3923
3924 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3925
3926         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3927         Delete declaration.
3928         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3929         (rs6000_debug_legitimize_reload_address): Delete.
3930         (rs6000_legitimize_reload_address_ptr): Delete.
3931         (rs6000_option_override_internal): Adjust.
3932         (mem_operand_gpr): Adjust comment.
3933         (legitimate_lo_sum_address_p): Ditto.
3934         (rs6000_legitimize_reload_address): Delete.
3935         (rs6000_debug_legitimize_reload_address): Delete.
3936         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3937
3938 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3939
3940         PR target/89765
3941         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3942         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3943         to compute vector element selector for both constant and variable
3944         operands.
3945
3946 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3947
3948         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3949         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3950         ashrdi3_cvt using SWI48 mode iterator.
3951
3952 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3953
3954         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3955         (aarch64_<su>abd<mode>_3): Likewise.
3956         (*aarch64_<su>abd<mode>_3): New define_insn.
3957         (<sur>sad<vsi2qi>): New define_expand.
3958         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3959         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3960         (build_vect_cond_expr): Likewise.
3961
3962 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3963
3964         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3965         clobbers outside of accessible_reg_set.
3966         * config/i386/i386.c (ix86_conditional_register_usage):
3967         Disable register sets by clearing corresponding bits in
3968         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3969         call_used_regs and don't clear corresponding reg_names array members.
3970
3971 2019-05-07  Richard Biener  <rguenther@suse.de>
3972
3973         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3974         not specified still compute a comp_vectype for invariant
3975         compares.
3976
3977 2019-05-07  Richard Biener  <rguenther@suse.de>
3978
3979         PR tree-optimization/90316
3980         * tree-ssa-pre.c (translate_vuse_through_block): When
3981         same_valid is NULL do not bother to search for a virtual
3982         PHI continuation.
3983         (phi_translate_1): When operands changed we cannot keep
3984         the same value-number so do not bother to ask whether
3985         that's possible from translate_vuse_through_block.
3986
3987 2019-05-07  Martin Liska  <mliska@suse.cz>
3988
3989         * bitmap.c (bitmap_register): Come up with
3990         alloc_descriptor_max_uid and assign it for
3991         a new bitmap.
3992         (register_overhead): Use get_descriptor as
3993         a descriptor.
3994         (release_overhead): New.
3995         (bitmap_elem_to_freelist): Call it.
3996         (bitmap_elt_clear_from): Likewise.
3997         (bitmap_obstack_free): Likewise.
3998         (bitmap_move): Sensitively release memory.
3999         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
4000         (bitmap_initialize): Initialize alloc_descriptor to zero.
4001         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
4002
4003 2019-05-07  Richard Biener  <rguenther@suse.de>
4004
4005         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
4006         we build a SLP node.  Remove max_size and limiting.
4007         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
4008
4009 2019-05-07  Richard Biener  <rguenther@suse.de>
4010
4011         PR tree-optimization/90316
4012         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
4013         limit by reference.
4014         (walk_non_aliased_vuses): Take walking limit argument.
4015         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
4016         walking if it is reached instead of just counting.
4017         (get_continuation_for_phi): Likewise.
4018         (walk_non_aliased_vuses): Likewise, instead of leaving counter
4019         limiting to the callback.
4020         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
4021         (vn_reference_lookup_3): Likewise.
4022         (vn_reference_lookup_pieces): Likewise.
4023         (vn_reference_lookup): Likewise.
4024         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
4025         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
4026         (avail_exprs_stack::lookup_avail_expr): Likewise.
4027
4028 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
4029
4030         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
4031         for comparaible types in the second direction even if first one
4032         hits incomparable type.
4033
4034 2019-05-07  Richard Biener  <rguenther@suse.de>
4035
4036         PR lto/90369
4037         * lto-wrapper.c (debug_objcopy): Use the original filename
4038         including archive offset for the filename used for -save-temps.
4039
4040 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
4041
4042         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
4043         detection.
4044
4045 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4046             Hongtao Liu  <hongtao.liu@intel.com>
4047
4048         PR target/89750
4049         PR target/86444
4050         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
4051         Modified, original implementation isn't correct.
4052
4053 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4054
4055         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
4056         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
4057         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
4058         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
4059         (FRAME_POINTER_REGNUM): Change numbering.
4060         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
4061         (alt_reg_names): Adjust.
4062         (rs6000_conditional_register_usage): Don't mark hard register 64 as
4063         fixed.
4064         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4065         (DWARF_FRAME_REGISTERS): Delete.
4066         (DWARF2_FRAME_REG_OUT): Fix whitespace.
4067         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4068         Adjust.
4069         (REG_ALLOC_ORDER): Adjust.
4070         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
4071         (REG_CLASS_CONTENTS): Adjust.
4072         (RETURN_ADDR_RTX): Change comment.
4073         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
4074         instead of 67.
4075         (REGISTER_NAMES): Adjust.
4076         (ADDITIONAL_REGISTER_NAMES): Adjust.
4077         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4078
4079 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4080
4081         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
4082         Delete.
4083         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4084         (DWARF_FRAME_REGISTERS): Adjust.
4085         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4086         Adjust.
4087         (REG_ALLOC_ORDER): Adjust.
4088         (enum reg_class): Delete SPR_REGS.
4089         (REG_CLASS_NAMES): Delete SPR_REGS.
4090         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
4091         (REGISTER_NAMES): Adjust.
4092         (ADDITIONAL_REGISTER_NAMES): Adjust.
4093         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4094         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
4095         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
4096         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
4097         (htm_spr_regno): Delete.
4098         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
4099         argument.
4100         (rs6000_dbx_register_number): Adjust.
4101
4102 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4103
4104         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
4105
4106 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4107
4108         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
4109         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
4110
4111 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
4112
4113         PR tree-optimization/88709
4114         PR tree-optimization/90271
4115         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
4116         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
4117         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
4118         variable.
4119         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
4120         of the store merging group is larger than
4121         PARAM_STORE_MERGING_MAX_SIZE parameter.
4122         (split_group): Add bzero_first argument.  If set, always emit first
4123         the first store which must be = {} of the whole area and then for the
4124         rest of the stores consider all zero bytes as paddings.
4125         (imm_store_chain_info::output_merged_store): Check if first store
4126         is = {} of the whole area and if yes, determine which setting of
4127         bzero_first for split_group gives smaller number of stores.  Adjust
4128         split_group callers.
4129         (lhs_valid_for_store_merging_p): Allow decls.
4130         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
4131         no elts.
4132         (pass_store_merging::process_store): Likewise.
4133
4134 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4135
4136         PR target/89424
4137         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
4138         handling of V1TImode.
4139
4140 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
4141
4142         PR target/89221
4143         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
4144         and enable_frame_pointer ...
4145         * configure.ac: ... here.  Update help strings for
4146         --enable-frame-pointer.
4147         * configure: Regenerate.
4148         * config/i386/i386-options.c (ix86_option_override_internal): Remove
4149         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
4150         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
4151         (USE_X86_64_FRAME_POINTER): Ditto.
4152
4153 2019-05-06  Martin Liska  <mliska@suse.cz>
4154
4155         * config.gcc: Append to target_gtfiles and fix indentation.
4156
4157 2019-05-06  Richard Biener  <rguenther@suse.de>
4158
4159         PR tree-optimization/90358
4160         * tree-vect-stmts.c (get_group_load_store_type): Properly
4161         detect unused upper half of load.
4162         (vectorizable_load): Likewise.
4163
4164 2019-05-06  Richard Biener  <rguenther@suse.de>
4165
4166         PR tree-optimization/88828
4167         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
4168         (simplify_vector_constructor): ...here.  Handle constants in
4169         the constructor.
4170
4171 2019-05-06  Richard Biener  <rguenther@suse.de>
4172
4173         PR tree-optimization/90328
4174         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
4175         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
4176         is valid in the loop nest before using it.
4177         (initialize_data_dependence_relation): Adjust.
4178         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
4179         loop as loop-nest to dr_may_alias_p.
4180
4181 2019-05-06  Richard Biener  <rguenther@suse.de>
4182
4183         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
4184
4185 2019-05-06  Richard Biener  <rguenther@suse.de>
4186
4187         PR tree-optimization/90316
4188         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
4189         compute target on demand.
4190         (get_continuation_for_phi): Remove code walking stmts to
4191         get to a target virtual operand which could end up being
4192         quadratic.
4193
4194 2019-05-06  Martin Liska  <mliska@suse.cz>
4195
4196         PR sanitizer/90312
4197         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4198         when -mabi is selected to a non-default version.
4199
4200 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4201             Martin Liska  <mliska@suse.cz>
4202
4203         * Makefile.in: Add lto-dump.texi.
4204         * cgraph.h: Add new functions get_visibility_string and
4205         get_symtab_type_string.
4206         * doc/gcc.texi: Include lto-dump section.
4207         * doc/lto-dump.texi: New file.
4208         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4209         (parse_dump_option): Factor out this function.
4210         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4211         (parse_dump_option): Export the function.
4212         * symtab.c (symtab_node::get_visibility_string): New function.
4213         (symtab_node::get_symtab_type_string): Likewise.
4214
4215 2019-05-06  Martin Liska  <mliska@suse.cz>
4216
4217         * config/i386/i386-builtins.c: New file.
4218         * config/i386/i386-builtins.h: New file.
4219         * config/i386/i386-expand.c: New file.
4220         * config/i386/i386-expand.h: New file.
4221         * config/i386/i386-features.c: New file.
4222         * config/i386/i386-features.h: New file.
4223         * config/i386/i386-options.c: New file.
4224         * config/i386/i386-options.h: New file.
4225         * config.gcc: Add new files into extra_objs and
4226         target_gtfiles.
4227         * config/i386/i386.c: Split content of the file
4228         into newly introduced files.
4229         * config/i386/i386.h: Declare common variables
4230         and macros.
4231         * config/i386/t-i386: Define dependencies for new files.
4232
4233 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4234
4235         PR target/89400
4236         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4237         Restrict 'all' variant to 32-bit configurations.
4238         (unaligned_loadhiu): Likewise.
4239         (unaligned_storehi): Likewise.
4240         (unaligned_storesi): Likewise.
4241         (unaligned_loadhis): Disable when compiling for thumb1.
4242
4243 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4244
4245         PR tree-optimization/90269
4246         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4247         Ignore clobbers.
4248
4249 2019-05-03  Martin Liska  <mliska@suse.cz>
4250
4251         * hash-map.h: Add is_empty function.
4252         * hash-set.h: Likewise.
4253         * hash-table.h: Likewise.
4254         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4255         elements () == 0 (and similar usages).
4256         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4257         * gimplify.c (gimplify_bind_expr): Likewise.
4258         (gimplify_switch_expr): Likewise.
4259         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4260         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4261         * postreload-gcse.c (dump_hash_table): Likewise.
4262         (gcse_after_reload_main): Likewise.
4263         * predict.c (combine_predictions_for_bb): Likewise.
4264         * tree-parloops.c (reduction_phi): Likewise.
4265         (separate_decls_in_region): Likewise.
4266         (transform_to_exit_first_loop): Likewise.
4267         (gen_parallel_loop): Likewise.
4268         (gather_scalar_reductions): Likewise.
4269         (try_create_reduction_list): Likewise.
4270         * var-tracking.c (dump_vars): Likewise.
4271         (emit_notes_for_changes): Likewise.
4272         (vt_emit_notes): Likewise.
4273
4274 2019-05-03  Richard Biener  <rguenther@suse.de>
4275
4276         PR tree-optimization/90316
4277         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4278         before running VN.
4279
4280 2019-05-03  Richard Biener  <rguenther@suse.de>
4281
4282         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4283         peeling for gaps by loading only lower halves of vectors
4284         if possible.
4285         (vectorizable_load): Likewise.
4286
4287 2019-05-03  Richard Biener  <rguenther@suse.de>
4288
4289         PR middle-end/89518
4290         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4291
4292 2019-05-03  Richard Biener  <rguenther@suse.de>
4293
4294         PR middle-end/87314
4295         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4296         Handle STRING_CST vs DECL or STRING_CST.
4297
4298 2019-05-03  Richard Biener  <rguenther@suse.de>
4299
4300         PR tree-optimization/88963
4301         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4302         vector loads feeding only BIT_FIELD_REFs to component
4303         loads.  Rewrite stores fed by CONSTRUCTORs to component
4304         stores.
4305
4306 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4307
4308         * opts.h (finish_options): Remove lang_mask argument.
4309         (print_help, help_option_argument): Declare.
4310         * opts.c (print_help): Remove forward declaration, no longer static.
4311         (finish_options): Remove lang_mask argument, don't call print_help
4312         here.
4313         * opts-global.c (decode_options): Adjust finish_option caller, call
4314         print_help here.
4315
4316         PR tree-optimization/90303
4317         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4318         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4319
4320 2019-05-03  Richard Biener  <rguenther@suse.de>
4321
4322         PR tree-optimization/89698
4323         * gimple-fold.c (canonicalize_constructor_val): Early out
4324         for constants, handle unfolded INTEGER_CSTs as they appear in
4325         C++ virtual table ctors.
4326
4327 2019-05-03  Richard Biener  <rguenther@suse.de>
4328
4329         * passes.c (execute_function_todo): Remove dead code.
4330
4331 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4332
4333         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4334         the internal register number, for any "real" register.
4335
4336 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4337
4338         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4339         correct numbers for TFHAR, TFIAR, TEXASR.
4340
4341 2019-05-02  Richard Biener  <rguenther@suse.de>
4342
4343         PR tree-optimization/89653
4344         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4345         update-address-taken before the pass.
4346         * passes.def (pass_tree_loop_init): Put comment before it.
4347
4348 2019-05-02  Richard Biener  <rguenther@suse.de>
4349
4350         PR tree-optimization/89509
4351         * tree-ssa-structalias.c (compute_dependence_clique): Look
4352         at the first subvar when determining whether it is restrict.
4353
4354 2019-05-02  Richard Biener  <rguenther@suse.de>
4355
4356         PR tree-optimization/90273
4357         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4358         useless debug stmts.
4359
4360 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4361
4362         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4363         ACLE branch.
4364         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4365         SVE ACLE branch.
4366         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4367         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4368         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4369         (vectorizable_reduction): Use the functions above to vectorize in a
4370         fully masked loop codes that don't have a conditional internal
4371         function.
4372
4373 2019-05-02  Martin Liska  <mliska@suse.cz>
4374
4375         * cgraphclones.c: Call valid_attribute_p with 1 for
4376         target_clone.
4377         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4378         it's for target attribute.
4379         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4380         Add new boolean argument.
4381         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4382         Likewise.
4383         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4384         to ix86_valid_target_attribute_inner_p.
4385         (ix86_valid_target_attribute_p): Pass flags argument to
4386         ix86_valid_target_attribute_inner_p.
4387         (get_builtin_code_for_version): Use 0 as it's target attribute.
4388
4389 2019-05-02  Martin Liska  <mliska@suse.cz>
4390
4391         * gcc.c (process_command): Add dummy file only
4392         if n_infiles == 0.
4393         * opts-global.c (decode_options): Pass lang_mask.
4394         * opts.c (print_help): New function.
4395         (finish_options): Print --help if help_option_argument
4396         is set.
4397         (common_handle_option): Factor out content of OPT__help_
4398         into print_help.
4399         * opts.h (finish_options): Add new argument.
4400
4401 2019-05-02  Martin Liska  <mliska@suse.cz>
4402
4403         PR target/88809
4404         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4405         With -minline-all-stringops use inline expansion using 4B loop.
4406         * doc/invoke.texi: Document the change of
4407         -minline-all-stringops.
4408
4409 2019-05-01  Jeff Law  <law@redhat.com>
4410
4411         PR tree-optimization/88797
4412         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4413         PHI feeds a conditional on the RHS of an assignment.
4414
4415 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4416             Jim Wilson  <jimw@sifive.com>
4417
4418         * config/riscv/constraints.md (L): New.
4419         * config/riscv/predicates.md (lui_operand): New.
4420         (sfb_alu_operand): New.
4421         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4422         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4423         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4424         * config/riscv/risc.md (type): Add sfb_alu.
4425         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4426         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4427         (branch_zero<mode>): Delete.
4428         (mov<mode>cc): New.
4429         (mov<GPR:mode><X:mode>cc): Likewise.
4430         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4431
4432 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4433
4434         * tree.h (MARK_TS_EXP): New.
4435
4436 2019-04-30  Martin Liska  <mliska@suse.cz>
4437
4438         * opts.c (enable_warning_as_error): Provide hints
4439         for unknown options.
4440
4441 2019-04-30  Martin Liska  <mliska@suse.cz>
4442
4443         PR debug/90288
4444         * doc/invoke.texi: Add missing dash for gas-locview-support
4445         and gno-as-locview-support.
4446
4447 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4448
4449         PR target/89093
4450         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4451         whitespace at the start of target attribute string.
4452
4453 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4454
4455         PR target/86538
4456         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4457         Define __ARM_FEATURE_ATOMICS.
4458
4459 2019-04-30  Martin Liska  <mliska@suse.cz>
4460
4461         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4462         into built_in_function enum. Remove code for endp == 2 and
4463         use BUILT_IN_* constants.
4464         (gimple_fold_builtin): Call the function with fcode.
4465
4466 2019-04-30  Martin Liska  <mliska@suse.cz>
4467
4468         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4469         DECL_FUNCTION_CODE into ix86_builtins enum before
4470         the switch statement.
4471
4472 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4473
4474         PR tree-optimization/89475
4475         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4476         calls.
4477
4478 2019-04-30  Martin Liska  <mliska@suse.cz>
4479
4480         PR translation/90274
4481         * opts.c (print_filtered_help): Wrap string in _(...).
4482
4483 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4484
4485         PR tree-optimization/90240
4486         Revert:
4487         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4488
4489         PR tree-optimization/90078
4490         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4491         checks for infinite_cost overflow.
4492
4493 2019-04-29  Jeff Law  <law@redhat.com>
4494
4495         * passes.def: Move -Wrestrict pass after copy propagation.
4496
4497 2019-04-29  Maya Rashish  <coypu@sdf.org>
4498
4499         * config.gcc (default_gnu_indirect_function): Default to yes
4500         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4501         sparc*-*-netbsd*, x86_64-*-netbsd*.
4502
4503 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4504
4505         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4506         where cond2 is NE_EXPR.
4507         (is_value_included_in): Update comment.
4508
4509 2019-04-29  Richard Biener  <rguenther@suse.de>
4510
4511         PR tree-optimization/90278
4512         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4513         EH on comparison simplification.
4514
4515 2019-04-29  Jason Merrill  <jason@redhat.com>
4516
4517         PR c++/82081 - tail call optimization breaks noexcept
4518         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4519         nothrow function to a might-throw function into a tail call.
4520
4521 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4522
4523         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4524         (DDR_INNER_LOOP): Likewise.
4525         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4526         (initialize_data_dependence_relation): Likewise.
4527         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4528
4529 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4530
4531         PR rtl-optimization/90257
4532         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4533         return value.
4534
4535         Revert the revert:
4536         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4537
4538         PR target/90178
4539         Revert:
4540         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4541
4542         Revert the revert:
4543         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4544
4545         Revert:
4546         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4547
4548         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4549
4550 2019-04-29  Richard Biener  <rguenther@suse.de>
4551
4552         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4553         rhs issue a reset.
4554
4555 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4556
4557         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4558         varasm.h, and netbsd-protos.h.
4559
4560 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4561
4562         PR target/89261
4563         * config/i386/i386-protos.h (ix86_data_alignment): Change
4564         the second argument type to unsigned int.
4565         * config/i386/i386.c (ix86_data_alignment): Change "align"
4566         argument type to unsigned int.
4567
4568 2019-04-27  Martin Liska  <mliska@suse.cz>
4569
4570         PR middle-end/90258
4571         * opt-suggestions.c (option_proposer::build_option_suggestions):
4572         When get_valid_option_values returns empty values, add the
4573         misspelling candidate.
4574
4575 2019-04-26  Jim Wilson  <jimw@sifive.com>
4576
4577         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4578         parameter.
4579         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4580         Pass orig_mode to riscv_build_integer.
4581         (riscv_split_integer): Pass mode to riscv_move_integer.
4582         (riscv_legitimize_const_move): Likewise.
4583         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4584         promoted_mode.  Replace force_reg call with code to load constant into
4585         promoted reg and then subreg it for the store.
4586         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4587         riscv_move_integer.
4588
4589 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4590
4591         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4592         corrupt codes.
4593
4594 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4595
4596         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4597         commentary about the encoding of precision.
4598
4599 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4600
4601         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4602         * config/i386/t-freebsd64: New file.
4603         * config.gcc: Add the t-freebsd64 for multilib support.
4604
4605 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4606
4607         * doc/extend.texi (vector_size): Add missing comma after @xref.
4608
4609 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4610
4611         * BASE-VER: Set to 10.0.0.
4612
4613 2019-04-25  Richard Biener  <rguenther@suse.de>
4614
4615         PR middle-end/89765
4616         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4617         VIEW_CONVERT_EXPR into one operating on an rvalue.
4618
4619 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4620
4621         PR target/89929
4622         * config/i386/i386.c (feature_priority): Moved to file scope.
4623         (processor_features): Likewise.
4624         (processor_model): Likewise.
4625         (_arch_names_table): Likewise.
4626         (arch_names_table): Likewise.
4627         (_feature_list): Removed.
4628         (feature_list): Likewise.
4629         (_isa_names_table): Moved to file scope.  Add priority.
4630         (isa_names_table): Likewise.
4631         (get_builtin_code_for_version): Replace feature_list with
4632         isa_names_table.  Update error message for P_ZERO priority.
4633
4634 2019-04-25  Richard Biener  <rguenther@suse.de>
4635
4636         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4637         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4638
4639 2019-04-24  Jeff Law  <law@redhat.com>
4640
4641         PR tree-optimization/90037
4642         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4643         * passes.def: Replace all instance of phi-only cprop with the
4644         lattice propagator.  Move propagation pass from after erroneous
4645         path isolation to before erroneous path isolation.
4646         * tree-ssa-phionlycprop.c: Remove.
4647
4648 2019-04-24  Richard Biener  <rguenther@suse.de>
4649
4650         PR middle-end/90213
4651         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4652         by size and BITS_PER_UNIT on poly-wide-ints.
4653
4654 2019-04-25  Richard Biener  <rguenther@suse.de>
4655
4656         PR middle-end/90194
4657         * match.pd: Add pattern to simplify view-conversion of an
4658         empty constructor.
4659
4660 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4661
4662         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4663         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4664         for Go on 32 bit AIX.
4665         * config/rs6000/aix72.h: Likewise.
4666
4667 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4668
4669         PR target/90193
4670         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4671         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4672
4673 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4674
4675         PR target/89952
4676         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4677         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4678         for restored hard frame pointer.
4679         (s390_sched_dependencies_evaluation): Implement new target hook.
4680         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4681
4682 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4683
4684         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4685         * config/arc/arc.c (arc_init): Cleanup warning message.
4686         (arc_override_options): Likewise.
4687
4688 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4689
4690         PR target/90187
4691         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4692         a register if both if_true and if_false are MEMs.
4693
4694         PR tree-optimization/90208
4695         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4696         after labels of new_bb, not before them.
4697
4698         PR tree-optimization/90211
4699         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4700         which are not SSA_NAMEs.
4701
4702 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4703
4704         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4705         AArch64.
4706         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4707
4708 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4709
4710         PR rtl-optimization/87979
4711         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4712         not equal zero.
4713
4714 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4715
4716         PR rtl-optimization/84032
4717         * modulo-sched.c (ps_insn_find_column): Change condition so that
4718         branch will always be the last insn in a row inside partial
4719         schedule.
4720
4721 2019-04-23  Richard Biener  <rguenther@suse.de>
4722
4723         PR debug/90131
4724         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4725         dest_single_pred_p argument.
4726         (remove_forwarder_block): Adjust.
4727         (remove_forwarder_block_with_phi): Likewise.
4728
4729 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4730             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4731             Jakub Jelinek  <jakub@redhat.com>
4732
4733         PR target/89093
4734         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4735         if used with general-regs-only.
4736         (arm_conditional_register_usage): Don't add non-general regs if
4737         general-regs-only.
4738         (arm_valid_target_attribute_rec): Handle general-regs-only.
4739         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4740         general-regs-only.
4741         (TARGET_HARD_FLOAT_SUB): Define.
4742         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4743         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4744         (TARGET_REALLY_IWMMXT2): Likewise.
4745         * config/arm/arm.opt: Add -mgeneral-regs-only.
4746         * doc/extend.texi: Document ARM general-regs-only target.
4747         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4748
4749 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4750
4751         PR tree-optimization/90078
4752         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4753         checks for infinite_cost overflow.
4754
4755 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4756
4757         PR tree-optimization/90021
4758         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4759         and check univariate against it.
4760         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4761         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4762
4763 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4764
4765         PR target/90178
4766         Revert:
4767         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4768
4769         Revert the revert:
4770         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4771
4772         Revert:
4773         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4774
4775         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4776
4777 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4778
4779         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4780         names using operand format, rather than hard-wired.
4781         (speculation_barrier): Likewise.
4782
4783 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4784
4785         PR tree-optimization/88055
4786         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4787         (gen_one_condition): Use it if !HONOR_NANS.
4788
4789 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4790
4791         PR middle-end/90139
4792         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4793         assign_temp instead of gen_reg_rtx.
4794
4795 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4796
4797         PR translation/90118
4798         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4799         Add missing space before %<.
4800
4801 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4802
4803         PR rtl-optimization/87871
4804         * ira-lives.c (make_object_dead): Don't add conflicts to
4805         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4806
4807 2019-04-18  Martin Sebor  <msebor@redhat.com>
4808
4809         PR middle-end/89797
4810         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4811         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4812         assuming type size fits in SHWI.
4813
4814 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4815
4816         PR ipa/85051
4817         * ipa-inline.c (flatten_function): New parameter UPDATE.
4818         (ipa_inline, early_inliner): Use it.
4819
4820 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4821
4822         * fold-const.c (int_const_binop): Return early on failure.
4823
4824 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4825
4826         PR middle-end/85164
4827         * combine.c (force_int_to_mode): Cast the argument rather than
4828         the result of known_alignment.
4829         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4830
4831 2019-04-18  Richard Biener  <rguenther@suse.de>
4832
4833         PR debug/90131
4834         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4835         out from ...
4836         (remove_forwarder_block): ... here.
4837         (remove_forwarder_block_with_phi): Also move debug stmts here.
4838
4839 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4840
4841         PR translation/79183
4842         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4843         inform where appropriate.
4844
4845 2019-04-18  Richard Biener  <rguenther@suse.de>
4846
4847         * tree.c (get_qualified_type): Put found type variants at the
4848         head of the variant list.
4849
4850 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4851
4852         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4853
4854 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4855
4856         PR target/90125
4857         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4858         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4859         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4860         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4861         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4862
4863 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4864
4865         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4866         even for allocno's with no conflicts.
4867         (print_conflicts): Print an extra newline.
4868
4869 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4870
4871         * auto-inc-dec.c (attempt_change): Set the alignment of the
4872         temporary memory to that of the original.
4873
4874 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4875
4876         * targhooks.c (default_print_patchable_function_entry): Emit
4877         __patchable_function_entries section with writable flags to allow
4878         relocation resolution.
4879
4880 2019-04-17  Jonny Grant  <jg@jguk.org>
4881
4882         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4883
4884 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4885
4886         PR middle-end/90095
4887         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4888         on lowpart SUBREGs.
4889
4890 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4891
4892         * config/arc/arc.c (arc_init): Format diagnostic string.
4893         (arc_override_options): Likewise.
4894         (check_if_valid_regno_const): Likewise.
4895         (arc_reorg): Likewise.
4896
4897 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4898
4899         PR target/17108
4900         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4901         name.
4902         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4903         name.
4904         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4905         (*movdi_update1): Use Pmode.
4906         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4907         (movdi_<mode>_update_stack): Rename to ...
4908         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4909         use Pmode.
4910         (*movsi_update1): Use Pmode.
4911         (*movsi_update2): Use Pmode.
4912         (movsi_update): Rename to ...
4913         (movsi_<mode>_update): ... this.  Use Pmode.
4914         (movsi_update_stack): Fix condition.
4915         (*movhi_update1): Use Pmode.  Fix argument to
4916         avoiding_indexed_address_p.
4917         (*movhi_update2): Ditto.
4918         (*movhi_update3): Ditto.
4919         (*movhi_update4): Ditto.
4920         (*movqi_update1): Ditto.
4921         (*movqi_update2): Ditto.
4922         (*movqi_update3): Ditto.
4923         (*movsf_update1, *movdf_update1): Merge, rename to...
4924         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4925         avoiding_indexed_address_p.  Add "size" attribute.
4926         (*movsf_update2, *movdf_update2): Merge, rename to...
4927         (*mov<mode>_update2): This.  Ditto.
4928         (*movsf_update3): Use Pmode.  Fix argument to
4929         avoiding_indexed_address_p.
4930         (*movsf_update4): Ditto.
4931         (allocate_stack): Simplify condition.  Adjust pattern names.
4932
4933 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4934
4935         PR target/89093
4936         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4937         whitespace at the start of target attribute string.
4938
4939 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4940
4941         PR target/84369
4942         * config/rs6000/power9.md: Add store forwarding bypass.
4943
4944 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4945
4946         PR debug/89528
4947         * valtrack.c (dead_debug_insert_temp): Reset debug references
4948         to the return value of a call being removed.
4949
4950 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4951
4952         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4953         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4954         implement target hook.
4955         (arc_memory_move_cost): New function.
4956         (TARGET_REGISTER_MOVE_COST): Define.
4957         (TARGET_MEMORY_MOVE_COST): Likewise.
4958         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4959         (MEMORY_MOVE_COST): Likewise.
4960
4961 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4962
4963         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4964         (sibcall_value_insn): Likewise.
4965         * config/arc/constraints.md (Rs5): Remove.
4966
4967 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4968
4969         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4970         for last two fake registers.
4971         (arc_conditional_register_usage): Make sure fake frame and arg
4972         pointer regs are in general regs class.
4973         (FRAME_POINTER_MASK): Remove.
4974         (RETURN_ADDR_MASK): Remove.
4975         (arc_must_save_register): Use hard frame regnum.
4976         (frame_restore_reg): Use hard_frame_pointer_rtx.
4977         (arc_save_callee_saves): Likewise.
4978         (arc_restore_callee_saves): Likewise.
4979         (arc_save_callee_enter): Likewise.
4980         (arc_restore_callee_leave): Likewise.
4981         (arc_save_callee_milli): Likewise.
4982         (arc_eh_return_address_location): Likewise.
4983         (arc_check_multi): Use hard frame regnum.
4984         (arc_can_eliminate): Likewise.
4985         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4986         for register allocator.
4987         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4988         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4989         (FRAME_POINTER_REGNUM): Change it to a fake register.
4990         (HARD_FRAME_POINTER_REGNUM): Defined.
4991         (ARG_POINTER_REGNUM): Change it to a new fake register.
4992         (ELIMINABLE_REGS): Update.
4993         (REGISTER_NAMES): Update names.
4994         * config/arc/arc.md (LP_START): Remove.
4995         (LP_END): Likewise.
4996         (shift_si3_loop): Update pattern.
4997
4998 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4999
5000         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
5001         to avoid delay slot scheduling.
5002         (arc_must_save_register): Don't save SP.
5003         * config/arc/arc.md (stack_tie): Remove.
5004         (UNSPEC_ARC_STKTIE): Likewise.
5005
5006 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
5007             Shiva Chen  <shiva0217@gmail.com>
5008
5009         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
5010         code gen with large shift amount.
5011
5012 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
5013
5014         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
5015         subreg.
5016
5017 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
5018
5019         PR target/90096
5020         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
5021         print -m64/-mx32/-m32 if it is true.
5022         (ix86_debug_options, ix86_function_specific_print): Pass true as
5023         ADD_ABI_P to ix86_target_string.
5024         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
5025         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
5026         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
5027
5028         PR rtl-optimization/90082
5029         * dce.c (can_delete_call): New function.
5030         (deletable_insn_p, mark_insn): Use it.
5031
5032         PR tree-optimization/90090
5033         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
5034         throw internally.
5035         (is_division_by_square): Likewise.  Formatting fix.
5036
5037 2019-04-16  Richard Biener  <rguenther@suse.de>
5038
5039         PR tree-optimization/56049
5040         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
5041         equality check if alias-set zero will prevail.
5042
5043 2019-04-15  Jeff Law  <law@redhat.com>
5044
5045         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
5046         size and alignment as unsigned.
5047
5048 2019-04-15  Richard Biener  <rguenther@suse.de>
5049
5050         PR debug/90074
5051         * tree-loop-distribution.c (destroy_loop): Preserve correct
5052         debug info.
5053
5054 2019-04-15  Richard Biener  <rguenther@suse.de>
5055
5056         PR tree-optimization/90071
5057         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
5058         abnormal operands from def stmts.
5059
5060 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
5061
5062         PR rtl-optimization/89794
5063         * combine.c (count_auto_inc): New function.
5064         (try_combine): Count how many auto_inc expressions there were in the
5065         original instructions.  Ensure we have the same number in the new
5066         instructions.  Remove the code that tried to ensure auto_inc side
5067         effects on i1 and i0 are not lost.
5068
5069 2019-04-15  Richard Biener  <rguenther@suse.de>
5070
5071         PR ipa/88936
5072         * tree.h (auto_var_p): Declare.
5073         * tree.c (auto_var_p): New function, split out from ...
5074         (auto_var_in_fn_p): ... here.
5075         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
5076         member.
5077         (new_var_info): Initialize it.
5078         (set_uids_in_ptset): Also set the shadow variable uid if required.
5079         (ipa_pta_execute): Postprocess points-to solutions assigning
5080         shadow variable uids for locals that may reach their containing
5081         function recursively.
5082         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
5083         assert but instead check whether the points-to solution is
5084         a singleton.
5085
5086 2019-04-15  Martin Jambor  <mjambor@suse.cz>
5087
5088         PR ipa/pr89693
5089         * cgraph.c (clone_of_p): Loop over clone chain for each step in
5090         the thunk chain.
5091
5092 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5093
5094         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
5095
5096 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5097             Kito Cheng  <kito.cheng@gmail.com>
5098             Shiva Chen  <shiva0217@gmail.com>
5099
5100         * config/nds32/nds32-md-auxiliary.c
5101         (nds32_legitimize_pic_address): Use new PIC pattern.
5102         (nds32_legitimize_tls_address): Use new TLS pattern.
5103         (nds32_output_symrel): New.
5104         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
5105         (nds32_alloc_relax_group_id): Ditto.
5106         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
5107         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
5108         relax_group_id.
5109         (nds32_group_tls_insn): Ditto.
5110         (nds32_group_float_insns): Ditto.
5111         * config/nds32/nds32.md (tls_le): New.
5112         (sym_got): Ditto.
5113
5114 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
5115
5116         * configure: Add nds32 target for dwarf2 debug_line checking.
5117         * configure.ac: Regenerated.
5118
5119 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
5120
5121         PR lto/89358
5122         * ipa-devirt.c (skip_in_fields_list_p): New.
5123         (odr_types_equivalent_p): Use it.
5124
5125 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
5126
5127         PR target/89093
5128         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
5129         instead of strncmp when checking for thumb and arm.  Formatting fixes.
5130
5131 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
5132
5133         * doc/install.texi: Document --with-target-system-zlib.
5134
5135 2019-04-12  Martin Sebor  <msebor@redhat.com>
5136
5137         PR c/88383
5138         PR c/89288
5139         PR c/89798
5140         PR c/89797
5141         * targhooks.c (default_vector_alignment): Avoid assuming
5142         argument fits in SHWI.
5143         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
5144         a shift expression.
5145         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
5146
5147 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5148
5149         PR rtl-optimization/89965
5150         * dce.c: Include rtl-iter.h.
5151         (struct check_argument_load_data): New type.
5152         (check_argument_load): New function.
5153         (find_call_stack_args): Check for loads from stack slots still tracked
5154         in sp_bytes and punt if any is found.
5155
5156         * config/mips/loongson-mmiintrin.h: Fix up #error message.
5157
5158 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
5159
5160         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
5161         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
5162
5163 2019-04-12  Martin Liska  <mliska@suse.cz>
5164
5165         PR middle-end/89970
5166         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
5167         in error message.
5168         (separate_attrs): Handle multiple 'default's.
5169         (expand_target_clones): Rework error handling code.
5170
5171 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5172
5173         PR target/87532
5174         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
5175         mode of vector rather than mode of destination for move instruction.
5176         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
5177         Use QI inner mode with V16QI vector mode.
5178
5179 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5180
5181         PR target/52726
5182         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
5183         "invalid %%t operand" in output_operand_lossage message.
5184
5185 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
5186
5187         * config/s390/predicates.md (permute_pattern_operand): New
5188         predicate.
5189         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5190         operand for the permute pattern.
5191         ("*vec_perm<mode>"): New insn definition.
5192         ("bswap<mode>"): Generate the permute pattern operand in the
5193         expander and perform the operand reloads for pre arch13 level
5194         already.
5195         ("*bswap<mode>_emu"): Rename to ...
5196         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5197         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5198         Add the USE operand for the permute pattern.
5199         ("*vec_set_bswap_vec<mode>"): Likewise.
5200
5201 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5202
5203         PR c/89946
5204         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5205         and gcc_unreachable if it fails, just call tree_to_uhwi which
5206         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5207         Start warning message with a lower-case letter.  Formatting fixes.
5208
5209         PR rtl-optimization/90026
5210         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5211         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5212         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5213         in cfglayout mode, use emit_barrier_after_bb.
5214
5215 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5216
5217         PR rtl-optimization/87763
5218         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5219         New Instruction.
5220
5221 2019-04-11  Tom de Vries  <tdevries@suse.de>
5222
5223         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5224         max macro using statement expression.
5225
5226 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5227
5228         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5229         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5230         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5231         read_only_private_data_section using xcoff_private_rodata_section_name.
5232         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5233
5234 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5235
5236         PR target/90016
5237         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5238
5239 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5240
5241         PR rtl-optimization/89965
5242         * dce.c (sp_based_mem_offset): New function.
5243         (find_call_stack_args): Use sp_based_mem_offset.
5244
5245 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5246
5247         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5248
5249 2019-04-11  Richard Biener  <rguenther@suse.de>
5250
5251         PR tree-optimization/90020
5252         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5253         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5254         * tree-ssa-pre.c (compute_avail): Use it to not put
5255         possibly trapping references after a call that might not
5256         return into EXP_GEN.
5257         * gcse.c (compute_hash_table_work): Do not elide
5258         marking a block containing a call if the call might not
5259         return.
5260
5261 2019-04-11  Richard Biener  <rguenther@suse.de>
5262
5263         PR tree-optimization/90018
5264         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5265         Test both SLP and interleaving variants.
5266
5267 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5268
5269         * config/s390/8561.md: New file.
5270         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5271         Add arch13 cpu model.
5272         * config/s390/s390-opts.h (enum processor_type): Likewise.
5273         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5274         (s390_get_unit_mask): Likewise.
5275         (s390_is_fpd): Likewise.
5276         (s390_is_fxd): Likewise.
5277         * config/s390/s390.h (s390_tune_attr): Likewise.
5278         * config/s390/s390.md: Include arch13 pipeline description.
5279         * config/s390/s390.opt: Add arch13.
5280
5281 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5282
5283         PR rtl-optimization/87763
5284         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5285         New prototype.
5286         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5287         New function.
5288         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5289         New instruction.
5290         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5291         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5292         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5293         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5294
5295 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5296
5297         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5298         "Although" in -fipa-icf documentation.
5299
5300         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5301         of using multiple -g options.
5302
5303 2019-04-10  Martin Liska  <mliska@suse.cz>
5304
5305         PR gcov-profile/89959
5306         * doc/gcov.texi: Make documentation of -x option
5307         more precise.
5308
5309 2019-04-10  Richard Biener  <rguenther@suse.de>
5310
5311         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5312         member.
5313         (DR_GROUP_SAME_DR_STMT): Remove.
5314         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5315         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5316         replace with assert.
5317         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5318         (vect_record_grouped_load_vectors): Remove unreachable code.
5319
5320 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5321
5322         PR target/90016
5323         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5324         obsolete reference to N.
5325
5326 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5327
5328         PR middle-end/90025
5329         * expr.c (store_expr): Set properly size on the MEM passed to
5330         clear_storage.
5331
5332         PR c++/90010
5333         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5334         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5335         translation is needed, and when translation is needed, only append
5336         ... if the string length is hostsz or more bytes long.  Avoid using
5337         strncpy or strcat.
5338
5339 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5340
5341         PR target/90024
5342         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5343         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5344         into three.
5345         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5346         differences directly.
5347         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5348
5349 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5350
5351         PR translation/90011
5352         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5353         from diagnostics.
5354         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5355         diagnostics.
5356         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5357         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5358         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5359         trailing space from -gsplit-dwarf diagnostics.
5360
5361         PR tree-optimization/89998
5362         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5363         instead of integer_type_node if possible, don't add ranges if return
5364         type is not compatible with int.
5365         * gimple-fold.c (gimple_fold_builtin_sprintf,
5366         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5367         integer_type_node.
5368
5369 2019-04-09  Martin Liska  <mliska@suse.cz>
5370
5371         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5372         * doc/install.texi: Document the new config.
5373
5374 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5375
5376         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5377         use gimple_expr_type for load and store calls.  Skip over the
5378         condition argument in a conditional internal function.
5379         Protect use of TREE_INT_CST_LOW.
5380
5381 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5382
5383         PR target/90015
5384         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5385         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5386         trailing period from it too.
5387
5388 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5389
5390         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5391         * config/aarch64/aarch64.md : Add "tsv110.md"
5392         * config/aarch64/tsv110.md: New file.
5393
5394 2019-04-08  Richard Biener  <rguenther@suse.de>
5395
5396         PR tree-optimization/90006
5397         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5398         calls like lrint.
5399
5400 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5401
5402         PR target/83033
5403         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5404         construction.
5405         (fma_root_node): Likewise.
5406         (func_fma_steering): Likewise.
5407
5408 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5409
5410         PR rtl-optimization/89865
5411         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5412
5413         PR rtl-optimization/89865
5414         * config/i386/i386.md
5415         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5416         numbers not to clash with the additional operands[4].
5417         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5418         with extra register copy in the middle.
5419
5420 2019-04-08  Martin Liska  <mliska@suse.cz>
5421
5422         PR gcov-profile/89961
5423         * doc/gcov.texi: Document data_file.
5424         * gcov.c (generate_results): Add data_info into JSON output.
5425
5426 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5427
5428         PR tree-optimization/89725
5429         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5430         loop's chrec as invariant symbol.
5431         * tree-chrec.h (chrec_contains_symbols): New parameter.
5432         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5433         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5434         function of loops not in DDR's loop_nest.
5435         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5436
5437 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5438
5439         PR target/89623
5440         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5441         Mask.
5442
5443 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5444
5445         PR target/89945
5446         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5447         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5448
5449 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5450
5451         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5452         targetm.fixed_condition_code_regs.
5453
5454 2019-04-05  Richard Biener  <rguenther@suse.de>
5455
5456         PR debug/89892
5457         PR debug/89905
5458         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5459         debug bind stmts but reset them if they are not valid at the
5460         destination.
5461
5462 2019-04-05  Martin Liska  <mliska@suse.cz>
5463
5464         PR translation/89936
5465         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5466         order to wrap keywords or arguments.
5467         * collect2.c (main): Likewise.
5468         (scan_prog_file): Likewise.
5469         (scan_libraries): Likewise.
5470         * common/config/riscv/riscv-common.c
5471         (riscv_subset_list::parsing_subset_version): Likewise.
5472         (riscv_subset_list::parse_std_ext): Likewise.
5473         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5474         Likewise.
5475         * config/arm/arm.c (arm_option_override): Likewise.
5476         * config/cris/cris.c (cris_print_operand): Likewise.
5477         * config/darwin-c.c (darwin_pragma_options): Likewise.
5478         (darwin_pragma_unused): Likewise.
5479         (darwin_pragma_ms_struct): Likewise.
5480         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5481         * config/i386/i386.c (print_reg): Likewise.
5482         (ix86_print_operand): Likewise.
5483         * config/i386/xm-djgpp.h: Likewise.
5484         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5485         * config/m32c/m32c.c (m32c_option_override): Likewise.
5486         * config/msp430/msp430.c (msp430_option_override): Likewise.
5487         * config/nds32/nds32.c (nds32_option_override): Likewise.
5488         * config/nvptx/mkoffload.c (main): Likewise.
5489         * config/rx/rx.c (rx_print_operand): Likewise.
5490         (valid_psw_flag): Likewise.
5491         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5492         (vms_pragma_nomember_alignment): Likewise.
5493         (vms_pragma_extern_model): Likewise.
5494         * lto-wrapper.c (compile_offload_image): Likewise.
5495         * omp-offload.c (oacc_parse_default_dims): Likewise.
5496         * symtab.c (symtab_node::verify_base): Likewise.
5497         * tlink.c (recompile_files): Likewise.
5498         (start_tweaking): Likewise.
5499         * tree-profile.c (parse_profile_filter): Likewise.
5500
5501 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5502
5503         PR tree-optimization/89956
5504         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5505         multiple negates of the same value.
5506
5507 2019-04-04  Martin Sebor  <msebor@redhat.com>
5508
5509         PR middle-end/89957
5510         PR middle-end/89911
5511         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5512         have the same precision since the function crashes otherwise.
5513         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5514         has non-zero arguments.
5515
5516 2019-04-04  Martin Sebor  <msebor@redhat.com>
5517
5518         PR middle-end/89934
5519         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5520         out if the number of arguments is less than expected.
5521
5522 2019-04-04  Jeff Law  <law@redhat.com>
5523
5524         PR rtl-optimization/89399
5525         * ree.c (combine_set_extension): Use single_set rather than
5526         digging into PATTERN for items on the candidate list.
5527         (combine_reaching_defs): Likewise.
5528
5529 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5530
5531         PR rtl-optimization/46590
5532         * loop-invariant.c (find_defs): Move df_remove_problem and
5533         df_process_deferred_rescans to move_invariants.
5534         Move df_live_add_problem and df_live_set_all_dirty calls
5535         to move_invariants.
5536         (move_invariants): Likewise.
5537         (move_loop_invariants): Likewise, making the df_live calls
5538         conditional on -O.  Remove the problem again if we added it
5539         locally.
5540
5541 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5542
5543         PR tree-optimization/89730
5544         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5545         -flive-patching=inline-only-static.
5546         (can_inline_edge_by_limits_p): Add the checking for
5547         -flive-patching=inline-only-static and grant always_inline
5548         even when -flive-patching=inline-only-static is specified.
5549
5550 2019-04-03  Jeff Law  <law@redhat.com>
5551
5552         PR rtl-optimization/81025
5553         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5554
5555 2019-04-03  Richard Biener  <rguenther@suse.de>
5556
5557         PR tree-optimization/84101
5558         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5559         regs.h for hard_regno_nregs.
5560         (cfun_returns): New helper.
5561         (vect_model_store_cost): When vectorizing a store to a decl
5562         we return and the function ABI returns in a multi-reg location
5563         account for the possible spilling that will happen.
5564
5565 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5566
5567         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5568         displacement addresses for vector mode operands.
5569
5570 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5571
5572         * config/arc/arc.c (GMASK_LEN): Define.
5573         (arc_restore_callee_saves): Restore first blink when
5574         !optimize_size.
5575
5576 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5577
5578         * doc/extend.texi: Add deprecated comment on sign-return-address
5579         function attribute and add mbranch-protection.
5580         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5581
5582 2019-04-03  Richard Biener  <rguenther@suse.de>
5583
5584         PR lto/89896
5585         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5586         the all target phony.
5587
5588 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5589
5590         PR target/89902
5591         PR target/89903
5592         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5593         Return false for variable DImode shifts.
5594         (dimode_scalar_chain::compute_convert_gain): Do not handle
5595         register count operand in variable DImode shifts.
5596         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5597         count argument of a variable shift instruction to a vector register.
5598         (dimode_scalar_chain::convert_reg): Remove support to convert
5599         count argument of a variable shift instruction.
5600
5601 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5602
5603         PR rtl-optimization/84206
5604         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5605         iterating over loop headers.
5606
5607 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5608
5609         PR rtl-optimization/85876
5610         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5611         beyond the original fence.
5612
5613 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5614
5615         * config.gcc: Mark spu* targets as deprecated/obsolete.
5616
5617 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5618
5619         * config/s390/s390-builtin-types.def: New builtin function type
5620         definitions. Remove unused types.
5621         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5622         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5623         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5624         overloaded builtins.
5625         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5626         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5627         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5628         (vec_double, vec_signed, vec_unsigned): Define to use the new
5629         overloaded builtins.
5630         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5631         Remove expanders.
5632
5633 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5634
5635         * config/s390/s390-builtin-types.def: New builtin function type
5636         definitions.
5637         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5638         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5639         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5640         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5641         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5642         constant definitions.
5643         * config/s390/vecintrin.h (vec_search_string_cc)
5644         (vec_search_string_until_zero_cc): New builtin name definitions.
5645         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5646         expanders.
5647         ("vec_vstrs<mode>"): New insn definition.
5648
5649 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5650
5651         * config/s390/s390-builtin-types.def: Add new builtin function
5652         types.
5653         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5654         New overloaded builtins.
5655         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5656         s390_vsrd.
5657         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5658         (UNSPEC_VEC_SLDBYTE): ... this.
5659         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5660         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5661         definitions.
5662         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5663         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5664         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5665
5666 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5667
5668         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5669         New insn definition.
5670         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5671         * config/s390/vector.md (V_HW_HSD): ... here.
5672
5673 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5674
5675         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5676         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5677         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5678         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5679         New insn definitions.
5680
5681 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5682
5683         * config/s390/s390-builtin-types.def: Add new builtin function type.
5684         * config/s390/s390-builtins.def: Add overloaded builtin
5685         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5686         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5687         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5688         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5689         ("eltswap<mode>"): New expander.
5690         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5691         insn definitions.
5692
5693 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5694
5695         * config/s390/s390-builtin-types.def: Add new builtin function types.
5696         * config/s390/s390-builtins.def: Add overloaded builtin
5697         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5698         instructions.
5699         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5700         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5701         ("bswap<mode>"): New expander.
5702         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5703
5704 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5705
5706         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5707         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5708         vector builtin version number in __VEC__.
5709
5710 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5711
5712         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5713         iterators.
5714         (SFSI): New mode attribute.
5715         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5716         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5717         rename to ...
5718         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5719         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5720         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5721         ("floatsi<mode>2"): Add wcefb instruction.
5722
5723 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5724
5725         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5726         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5727         mode iterators.
5728         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5729         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5730         support 32 bit fp-int conversions. Rename to ...
5731         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5732         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5733         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5734         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5735         ... to these.
5736
5737 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5738
5739         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5740         if-then-else constructs if we can use the select instruction.
5741         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5742
5743 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5744
5745         * config/s390/s390.md ("*popcountdi_arch13_cc")
5746         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5747         definition.
5748         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5749         Append _z196 to make it ...
5750         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5751         ("popcounthi2_z196"): ... this.
5752         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5753         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5754
5755 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5756
5757         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5758         certain compares for arch13 in order to make use of the condition
5759         code result produced by the new instructions.
5760         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5761         nxrk, and nxgrk instruction patterns.
5762         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5763         (inv_no): Add new code iterator together with some attributes.
5764         ("*andc_split_<mode>"): Disable splitter for arch13.
5765         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5766         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5767         ("*<ANDOR:bitops_name>c<GPR:mode>")
5768         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5769         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5770         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5771         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5772
5773 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5774
5775         * common/config/s390/s390-common.c (processor_flags_table): New
5776         entry for arch13.
5777         * config.gcc: Support arch13 with the --with-arch= configure flag.
5778         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5779         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5780         * config/s390/s390.c (s390_get_sched_attrmask)
5781         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5782         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5783         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5784         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5785         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5786         definitions.
5787         * config/s390/s390.opt: Support arch13 as processor type in
5788         command line options.
5789
5790 2019-04-02  Martin Liska  <mliska@suse.cz>
5791
5792         PR translation/89912
5793         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5794         Fix param description of graphite-max-arrays-per-scop.
5795
5796 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5797
5798         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5799         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5800         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5801
5802 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5803
5804         PR rtl-optimization/85412
5805         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5806         sel_sched_region_1, not after.
5807
5808 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5809
5810         PR rtl-optimization/86928
5811         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5812         compute_live if necessary.
5813         (sel_redirect_edge_and_branch): Likewise.
5814
5815 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5816
5817         PR rtl-optimization/89865
5818         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5819         register if it is a part of small class.
5820
5821 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5822
5823         PR rtl-optimization/87273
5824         * sel-sched-ir.c (merge_fences): Remove assert.
5825
5826 2019-04-01  Richard Biener  <rguenther@suse.de>
5827
5828         PR tree-optimization/46590
5829         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5830         (dom_walker::m_reachability): Add in place of...
5831         (dom_walker::m_skip_unreachable_blocks): ...this.
5832         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5833         Move complex initialization ...
5834         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5835         lazily and initialize edge flags on each invocation.
5836         (dom_walker::bb_reachable): Use m_reachability.
5837
5838 2019-04-01  Martin Liska  <mliska@suse.cz>
5839
5840         PR driver/89861
5841         * opt-suggestions.c (option_proposer::build_option_suggestions):
5842         Add variant without any argument in order to provide better
5843         hints.
5844
5845 2019-04-01  Richard Biener  <rguenther@suse.de>
5846
5847         PR c/71598
5848         * gimple.c: Include langhooks.h.
5849         (gimple_get_alias_set): Treat enumeral types as the underlying
5850         integer type.
5851
5852 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5853             Eric Botcazou  <ebotcazou@adacore.com>
5854
5855         PR rtl-optimization/89862
5856         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5857         that operates on the full registers for WORD_REGISTER_OPERATIONS
5858         architectures.
5859
5860 2019-03-29  Jim Wilson  <jimw@sifive.com>
5861
5862         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5863         Clear MASK_RVC and then set if C subset supported.
5864
5865 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5866
5867         PR c/89872
5868         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5869         non-addressable complit into its initializer if it is volatile.
5870
5871 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5872
5873         * opts-common.c (integral_argument): Set errno properly in one case.
5874
5875 2019-03-29  Martin Liska  <mliska@suse.cz>
5876
5877         * doc/invoke.texi: Remove -Wchkp from documentation.
5878
5879 2019-03-29  Martin Liska  <mliska@suse.cz>
5880
5881         * dbgcnt.c (print_limit_reach): New function.
5882         (dbg_cnt): Use it.
5883
5884 2019-03-29  Martin Liska  <mliska@suse.cz>
5885
5886         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5887         (dbg_cnt_process_opt): Parse first tokens aas
5888         dbg_cnt_process_single_pair is also using strtok.
5889
5890 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5891
5892         PR rtl-optimization/87485
5893         * function.c (expand_function_end): Move stack_protect_epilogue
5894         before loading of return value into hard register(s).
5895
5896 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5897
5898         PR middle-end/89621
5899         * tree-inline.h (struct copy_body_data): Add
5900         dont_remap_vla_if_no_change flag.
5901         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5902         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5903         and remap_type_2 returns false.
5904         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5905         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5906         only from where it is copied to nested contexts.
5907
5908 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5909
5910         PR target/89865
5911         * config/i386/i386.md (RMW operation with LEA peephole):
5912         Use LEAMODE mode attribute instead of SWI mode iterator for
5913         LEA pattern.
5914
5915 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5916
5917         PR target/89848
5918         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5919         Also process XEXP (src, 0) of a shift insn.
5920
5921 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5922
5923         PR middle-end/89725
5924         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5925         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5926
5927 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5928
5929         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5930         test.
5931         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5932         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5933         immediately after first one with df_analyze in between, but rather
5934         process all bbs, queueing ones that need second pass in a worklist,
5935         df_analyze, process queued debug insn changes and if second pass is
5936         needed, process bbs from worklist, df_analyze, process queued debug
5937         insns again.
5938
5939         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5940         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5941         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5942
5943 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5944
5945         PR c/79022
5946         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5947         definition.
5948
5949 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5950
5951         PR target/85667
5952         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5953         function for 32-bit MS_ABI.
5954         (function_value_ms_32): New function.
5955
5956 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5957
5958         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5959         (movdi): Call gen_movdi_symbol_save_scc.
5960         (gen_movdi_symbol_save_scc): New insn and split.
5961
5962 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5963
5964         PR rtl-optimization/89313
5965         * function.c (matching_constraint_num): New static function.
5966         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5967         Don't replace inputs with non-matching constraints which conflict
5968         with early clobber outputs.
5969
5970 2019-03-27  Jeff Law  <law@redhat.com>
5971
5972
5973         PR rtl-optimization/87761
5974         PR rtl-optimization/89826
5975         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5976         slightly later.
5977         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5978         note problem to get REG_DEAD/REG_UNUSED notes updated.
5979
5980 2019-03-27  Richard Biener  <rguenther@suse.de>
5981
5982         PR tree-optimization/89463
5983         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5984         queue edges to remove.
5985         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5986         dead stmts.  Delay edge removal until PHIs are removed to
5987         make debug-stmt creation not confused by seemingly degenerate
5988         PHIs.
5989
5990 2019-03-27  Alan Modra  <amodra@gmail.com>
5991
5992         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5993         throughout file.
5994         * config/rs6000/darwin.h: Likewise.
5995         * config/rs6000/rs6000.c: Likewise.
5996
5997 2019-03-27  Alan Modra  <amodra@gmail.com>
5998
5999         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
6000         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
6001
6002 2019-03-26  Andrew Waterman  <andrew@sifive.com>
6003             Jim Wilson  <jimw@sifive.com>
6004
6005         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
6006         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
6007         (generic_idivdi, generic_fmul_single, generic_fmul_double)
6008         (generic_fdiv, generic_fsqrt): Add check for generic tune.
6009         (generic_alu): Add auipc to type list.
6010         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
6011         (riscv_microarchitecture): Declare.
6012         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
6013         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
6014         field.
6015         (riscv_microarchitecture): New.
6016         (sifive_7_tune_info): New.
6017         (riscv_cpu_info_table): Add microarchitecture value for rocket and
6018         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
6019         entries.
6020         (riscv_store_data_bypass_p): New.
6021         (riscv_option_override): Set riscv_microarchitecture from
6022         cpu->microarchitecture.
6023         * config/riscv/riscv.md: Include sifive-7.md.
6024         (type): Add auipc.
6025         (tune): New.
6026         (auipc<mode>): Change type to auipc.
6027         (restore_stack_nonlocal): New.
6028         * config/riscv/sifive-7.md: New.
6029         * doc/invoke.texi (RISC-V Options): Update mtune docs.
6030
6031 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
6032
6033         PR target/89827
6034         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6035         Also process XEXP (src, 0) of a shift insn.
6036
6037 2019-03-26  Richard Biener  <rguenther@suse.de>
6038
6039         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
6040         (copy_debug_stmt): Likewise.
6041         (expand_call_inline): Likewise.
6042         (copy_bb): Avoid redundant lookup & set of gimple_block.
6043         * gimple-low.c (lower_gimple_return): Likewise.
6044         (lower_builtin_setjmp): Likewise.
6045
6046 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
6047
6048         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
6049         is constant 0, turn into static const data member initialized to false.
6050         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
6051         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
6052
6053 2019-03-26  Jason Merrill  <jason@redhat.com>
6054             Jakub Jelinek  <jakub@redhat.com>
6055
6056         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
6057         method.
6058         (mem_alloc_description::release_object_overhead): Fix comment typos.
6059         * hash-table.h (hash_table::~hash_table): Call
6060         release_instance_overhead only if m_entries is non-NULL, otherwise
6061         call unregister_descriptor.
6062
6063 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
6064
6065         PR tree-optimization/81740
6066         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6067         In case of outer loop vectorization, check for backward dependence
6068         at the inner loop if outer loop dependence is reversed.
6069
6070 2019-03-26  Alan Modra  <amodra@gmail.com>
6071
6072         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
6073         rs6000_vector_mem init.  Correct wI and wJ comment.
6074
6075 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
6076
6077         PR rtl-optimization/88347
6078         PR rtl-optimization/88423
6079         * sched-deps.c (sched_analyze_insn): Take into account that for
6080         tablejumps the barrier appears after a label and a jump_table_data.
6081
6082 2019-03-25  Martin Sebor  <msebor@redhat.com>
6083
6084         PR c/89812
6085         * c-common.c (check_user_alignment): Rename local.  Correct maximum
6086         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
6087         convert it to UHWI when it fits.
6088
6089 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
6090
6091         PR debug/86964
6092         * dwarf2out.c (premark_used_variables): New function.
6093         (prune_unused_types_walk): Do not mark not premarked external
6094         variables.
6095         (prune_unused_types): Call premark_used_variables.
6096
6097 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
6098
6099         PR rtl-optimization/89676
6100         * lra-constraints.c (curr_insn_transform): Do match reload for
6101         early clobbers when the match was successful only for different
6102         registers.
6103
6104 2019-03-25  Martin Sebor  <msebor@redhat.com>
6105
6106         * doc/extend.texi (Common Type Attributes): Document vector_size.
6107         (Common Variable Attributes): Mention size constraint.  Correct
6108         quoting and typos.
6109         (Vector Extensions): Use @dfn when defining bas type.  Clarify
6110         base type and size constraints.
6111
6112 2019-03-25  Richard Biener  <rguenther@suse.de>
6113
6114         PR tree-optimization/89789
6115         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
6116         changes from non-undefined back to undefined.
6117
6118 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
6119
6120         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
6121         heap string and a gc string, but since this variable is unknown to
6122         ggc the gc string might get reused and corrupted. Fixed by always
6123         using a heap string.
6124
6125 2019-03-25  Richard Biener  <rguenther@suse.de>
6126
6127         PR tree-optimization/89779
6128         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
6129         to remove IV defs, delay actual removal.
6130         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
6131         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
6132         very end, properly also reset loop control IV information.
6133
6134 2019-03-25  Richard Biener  <rguenther@suse.de>
6135
6136         PR tree-optimization/89802
6137         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
6138         move EH data to folded stmt.
6139
6140 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6141
6142         * config/s390/s390-builtin-types.def: Remove few unused types and
6143         fix sort order for others.
6144
6145 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6146
6147         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
6148         expected and found types with -mdebug during builtin matching.
6149
6150 2019-03-25  Richard Biener  <rguenther@suse.de>
6151
6152         PR middle-end/89790
6153         * fold-const.c (operand_equal_p): Revert last change with
6154         updated comment.
6155
6156 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
6157
6158         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
6159         notes for the result of the __tls_get_addr calls.
6160         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
6161
6162 2019-03-24  Jeff Law  <law@redhat.com>
6163
6164         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
6165
6166         PR rtl-optimization/87761
6167         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
6168         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
6169         as needed.
6170         (pass_cprop_hardreg::execute): Add df note problem and defer insn
6171         rescans.  Reprocess blocks as needed, calling df_analyze before
6172         reprocessing.  Always call df_analyze before fixing up debug bind
6173         insns.
6174
6175 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
6176
6177         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
6178         big endian.
6179
6180 2019-03-22  Andrew Pinski  <apinski@marvell.com>
6181
6182         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
6183         attrribute for uxtw.
6184
6185 2019-03-26  Jeff Law  <law@redhat.com>
6186
6187         PR rtl-optimization/87761
6188         * config/mips/mips-protos.h (mips_split_move): Add new argument.
6189         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6190         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6191         into the next instruction.
6192         (mips_split_move_insn): Pass INSN through to mips_split_move.
6193
6194 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6195
6196         PR rtl-optimization/89676
6197         * lra-constraints.c (curr_insn_transform): Do match reload for
6198         early clobbers even if the match was successful.
6199
6200 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6201
6202         PR c++/87481
6203         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6204
6205 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6206
6207         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6208
6209 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6210
6211         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6212         <avx512>_fmsub_<mode>_mask3<round_name>,
6213         <avx512>_fnmadd_<mode>_mask3<round_name>,
6214         <avx512>_fnmsub_<mode>_mask3<round_name>,
6215         avx512f_vmfmadd_<mode>_mask3<round_name>,
6216         avx512f_vmfmsub_<mode>_mask3<round_name>,
6217         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6218         instead of register_operand and %v instead of v for match_operand 1.
6219         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6220         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6221         <round_nimm_predicate> instead of register_operand and %v instead of v
6222         for match_operand 1.
6223
6224         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6225         <avx512>_fmadd_<mode>_mask3<round_name>,
6226         <avx512>_fmsub_<mode>_mask<round_name>,
6227         <avx512>_fmsub_<mode>_mask3<round_name>,
6228         <avx512>_fnmadd_<mode>_mask<round_name>,
6229         <avx512>_fnmadd_<mode>_mask3<round_name>,
6230         <avx512>_fnmsub_<mode>_mask<round_name>,
6231         <avx512>_fnmsub_<mode>_mask3<round_name>,
6232         <avx512>_fmaddsub_<mode>_mask<round_name>,
6233         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6234         <avx512>_fmsubadd_<mode>_mask<round_name>,
6235         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6236         <round_nimm_predicate> instead of nonimmediate_operand.
6237         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6238         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6239         Use register_operand instead of <round_nimm_predicate> for the
6240         operand that needs to match output.
6241         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6242         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6243         Likewise.  Formatting fixes.
6244
6245         PR target/89784
6246         * config/i386/i386.c (enum ix86_builtins): Remove
6247         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6248         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6249         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6250         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6251         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6252         __builtin_ia32_vfmsubss3_mask3): New builtins.
6253         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6254         avx512f_vmfmadd_<mode>_mask3<round_name>,
6255         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6256         *avx512f_vmfmsub_<mode>_mask<round_name>,
6257         avx512f_vmfmsub_<mode>_mask3<round_name>,
6258         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6259         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6260         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6261         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6262         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6263         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6264         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6265         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6266         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6267         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6268         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6269         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6270         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6271         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6272         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6273         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6274         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6275         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6276         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6277         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6278         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6279         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6280         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6281         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6282         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6283         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6284         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6285         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6286
6287 2019-03-21  Martin Sebor  <msebor@redhat.com>
6288
6289         PR tree-optimization/89350
6290         * builtins.c (compute_objsize): Also ignore offsets whose upper
6291         bound is negative.
6292         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6293         (builtin_memref::builtin_memref): Initialize new member.
6294         Allow EXPR to be null.
6295         (builtin_memref::extend_offset_range): Replace local with a member.
6296         Avoid assuming pointer offsets are unsigned.
6297         (builtin_memref::set_base_and_offset): Determine base object
6298         before computing offset range.
6299         (builtin_access::builtin_access): Handle memset.
6300         (builtin_access::generic_overlap): Replace local with a member.
6301         (builtin_access::strcat_overlap): Same.
6302         (builtin_access::overlap): Same.
6303         (maybe_diag_overlap): Same.
6304         (maybe_diag_access_bounds): Same.
6305         (wrestrict_dom_walker::check_call): Handle memset.
6306         (check_bounds_or_overlap): Same.
6307
6308 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6309             Jakub Jelinek  <jakub@redhat.com>
6310
6311         PR lto/89692
6312         * tree.c (fld_type_variant, fld_incomplete_type_of,
6313         fld_process_array_type): Call fld->pset.add and don't call
6314         add_tree_to_fld_list if it returns true.
6315         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6316         non-marked types from TYPE_NEXT_VARIANT list.
6317         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6318
6319 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6320
6321         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6322         to false, if true, don't alloc_entries during construction, but defer
6323         it to the first method that needs m_entries allocated.
6324         (hash_table::hash_table, hash_table::~hash_table,
6325         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6326         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6327         hash_table::clear_slot, hash_table::traverse_noresize,
6328         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6329         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6330         false.
6331         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6332         NO_INSERT instead of find_with_hash.
6333         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6334         hash_set::m_table): Add Lazy to template params of hash_table.
6335         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6336         * attribs.c (test_attribute_exclusions): Likewise.
6337         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6338         hash_set.  Add tests for hash_set with Lazy = true.
6339
6340 2019-03-21  Richard Biener  <rguenther@suse.de>
6341
6342         PR tree-optimization/89779
6343         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6344         checks with respect to released SSA names now having error_mark_node
6345         type.
6346         * fold-const.c (operand_equal_p): Likewise.
6347
6348 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6349
6350         PR target/89775
6351         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6352         available to ...
6353         (s390_optimize_register_info): Use global_not_special_regno_p to
6354         check for global regs.
6355
6356 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6357
6358         PR target/89752
6359         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6360         update this_alternative nor this_alternative_set.
6361
6362 2019-03-19  Jim Wilson  <jimw@sifive.com>
6363
6364         PR target/89411
6365         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6366         align, size, offset.  Use them to handle a BLKmode reference.  Update
6367         comment.
6368         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6369
6370 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6371
6372         PR rtl-optimization/89768
6373         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6374         instead of GEN_INT.
6375         (unroll_loop_runtime_iterations): Likewise.
6376
6377 2019-03-19  Martin Sebor  <msebor@redhat.com>
6378
6379         PR tree-optimization/89644
6380         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6381         rather than endptr as an indicator of nul-termination.
6382
6383         PR tree-optimization/89644
6384         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6385         arrays in determining sequence sizes in strncpy and stpncpy.
6386
6387 2019-03-19  Martin Liska  <mliska@suse.cz>
6388
6389         PR middle-end/89737
6390         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6391         unlikely_edges if there's an edge that belongs to both these sets.
6392
6393 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6394
6395         PR target/89746
6396         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6397         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6398         go via a stack temporary.
6399
6400 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6401
6402         PR target/89378
6403         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6404         instead of gen_rtx_SUBREG.
6405         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6406
6407 2019-03-19  Richard Biener  <rguenther@suse.de>
6408
6409         PR debug/88389
6410         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6411
6412 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6413
6414         PR lto/87809
6415         PR lto/89335
6416         * tree.c (free_lang_data_in_decl): Do not free context of C++
6417         destrutors.
6418
6419 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6420
6421         PR target/89506
6422         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6423         subs for the first alternative except when operands[3] is 1.
6424
6425         PR target/89752
6426         * gimplify.c (gimplify_asm_expr): For output argument with
6427         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6428         diagnose error.
6429
6430 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6431
6432         PR rtl-optimization/89753
6433         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6434         explicit unrolling factor even more robust.
6435
6436 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6437
6438         PR target/89726
6439         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6440         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6441         signed zeros, do another copysign after the compensation.
6442
6443 2019-03-18  Martin Sebor  <msebor@redhat.com>
6444
6445         PR tree-optimization/89720
6446         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6447         more conservatively, the same as anti-range.
6448
6449 2019-03-18  Richard Biener  <rguenther@suse.de>
6450
6451         PR middle-end/88945
6452         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6453         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6454         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6455         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6456
6457 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6458
6459         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6460         Extend queue to 1024 entries.
6461         Add "consumed" field.
6462         (gomp_print_output): Remove print_index parameter.
6463         Add final parameter.
6464         Change limit to unsigned.
6465         Use consumed field to implement circular buffer.
6466         Detect interrupted print in final pass.
6467         Flush output at the end.
6468         (run): Update gomp_print_output usage.
6469         (main): Initialize kernargs->output_data.consumed.
6470
6471 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6472
6473         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6474         calculation of the minimum number of scalar iterations for
6475         fully-predicated loops.
6476
6477 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6478
6479         PR tree-optimization/89546
6480         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6481         any propagation to its children took place.
6482
6483 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6484
6485         PR target/89627
6486         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6487         parameter, and make use of it.
6488         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6489
6490 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6491
6492         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6493         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6494         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6495         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6496         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6497         match what the ops is doing.
6498         (push_multi_fp_blink): Likewise.
6499         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6500         compiling for size and elf target.
6501         (arc_save_callee_enter): Adjust note to match what enter/leave
6502         operation does.
6503
6504 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6505
6506         * config/arc/arc.md (tst_movb): Fix constraint.
6507
6508 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6509
6510         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6511
6512 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6513
6514         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6515         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6516         reg_alloc_order references.
6517         (size_alloc_order): Define.
6518         (arc_adjust_reg_alloc_order): New function.
6519         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6520         order.
6521         (ADJUST_REG_ALLOC_ORDER): Define.
6522         (HONOR_REG_ALLOC_ORDER): Likewise.
6523
6524 2019-03-18  Richard Biener  <rguenther@suse.de>
6525
6526         PR target/87561
6527         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6528         loads and stores a bit more.
6529
6530 2019-03-18  Richard Biener  <rguenther@suse.de>
6531
6532         PR target/87561
6533         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6534         load pessimization to stores as well.
6535
6536 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6537
6538         PR middle-end/86979
6539         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6540         successor, use NULL as its av set.
6541
6542 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6543
6544         PR rtl-optimization/89721
6545         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6546
6547 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6548
6549         PR target/87532
6550         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6551         When handling vec_extract, use modular arithmetic to allow
6552         constant selectors greater than vector length.
6553         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6554         V1TImode vectors to have constant selector values greater than 0.
6555         Use modular arithmetic to compute vector index.
6556         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6557         index for in-memory vectors.  Correct code generation for
6558         in-register vectors.
6559         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6560         compute index.
6561
6562 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6563
6564         PR c++/88534
6565         PR c++/88537
6566         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6567         VAR_DECL args.
6568
6569 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6570
6571         PR c++/89709
6572         * tree.c (inchash::add_expr): Strip any location wrappers.
6573         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6574         after hash verification.
6575
6576         PR debug/89704
6577         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6578         SIGN_EXTEND and ZERO_EXTEND.
6579
6580 2019-03-14  Jason Merrill  <jason@redhat.com>
6581             Jakub Jelinek  <jakub@redhat.com>
6582
6583         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6584         than if is_empty (*slot).
6585         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6586         existing elt and for elt removal.
6587         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6588         of already removed elt.
6589
6590 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6591
6592         PR target/89650
6593         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6594         REG_EH_REGION note.
6595
6596 2019-03-14  Martin Liska  <mliska@suse.cz>
6597
6598         PR other/89712
6599         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6600
6601 2019-03-14  Richard Biener  <rguenther@suse.de>
6602
6603         PR target/89711
6604         * config/i386/i386.c (make_resolver_func): Properly set
6605         DECL_CONTEXT on the RESULT_DECL.
6606         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6607
6608 2019-03-14  Richard Biener  <rguenther@suse.de>
6609
6610         * gimple-pretty-print.c: Include cfgloop.h.
6611         (dump_gimple_phi): Adjust.
6612         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6613         (pp_cfg_jump): Adjust.
6614         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6615         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6616         (lower_phi_internal_fn): Remove.
6617         (verify_gimple_call): Remove IFN_PHI special-casing.
6618         (dump_function_to_file): Dump IL state.
6619         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6620         done to deal with PHI nodes being present in non-SSA state.
6621
6622 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6623
6624         PR ipa/89684
6625         * multiple_target.c (create_dispatcher_calls): Change
6626         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6627         In the node->iterate_referring loop, push *ref rather than ref, call
6628         ref->remove_reference () and always pass 0 to iterate_referring.
6629
6630         PR rtl-optimization/89679
6631         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6632         would contain a paradoxical SUBREG.
6633
6634 2019-03-14  Richard Biener  <rguenther@suse.de>
6635
6636         PR tree-optimization/89710
6637         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6638         safe_dyn_cast.
6639
6640 2019-03-14  Martin Liska  <mliska@suse.cz>
6641
6642         * coverage.c (coverage_begin_function): Stream also
6643         end_column.
6644         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6645         documentation about function declaration location.
6646         * gcov-dump.c (tag_function): Print whole range
6647         of function declaration.
6648         * gcov.c (struct function_info): Add end_column field.
6649         (function_info::function_info): Initialize it.
6650         (output_json_intermediate_file): Output {start,end}_column
6651         fields.
6652         (read_graph_file): Read end_column.
6653
6654 2019-03-14  Richard Biener  <rguenther@suse.de>
6655
6656         PR middle-end/89698
6657         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6658         that the access types are similar.
6659
6660 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6661
6662         PR tree-optimization/89703
6663         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6664         aren't compatible also with builtin_decl_explicit.  Check pure
6665         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6666         and BUILT_IN_STPNCPY{,_CHK}.
6667
6668 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6669
6670         PR target/89523
6671         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6672         addr32 prefix to VSIB address for X32.
6673         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6674         "%M2" to opcode.
6675         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6676         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6677         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6678         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6679         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6680         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6681         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6682         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6683         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6684         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6685         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6686         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6687         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6688         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6689         (*avx512f_scatterdi<mode>): Likewise.
6690
6691 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6692
6693         PR target/85860
6694         * lra-constraints.c (inherit_in_ebb): Update
6695         potential_reload_hard_regs along with live_hard_regs.
6696
6697 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6698
6699         PR debug/89498
6700         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6701         DWARF_OFFSET_SIZE.
6702         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6703
6704 2019-03-13  Martin Sebor  <msebor@redhat.com>
6705
6706         PR tree-optimization/89662
6707         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6708         has a size.
6709
6710 2019-03-13  Richard Biener  <rguenther@suse.de>
6711
6712         PR middle-end/89677
6713         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6714         throw FP expressions at tree-affine.
6715
6716 2019-03-14  Richard Biener  <rguenther@suse.de>
6717
6718         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6719         dump negative integer constants using _Literal (type) -num.
6720
6721 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6722
6723         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6724         nonlocal_value member.
6725
6726         PR middle-end/88588
6727         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6728         (ipa_simd_modify_function_body): Handle PHIs.
6729
6730 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6731
6732         * config/s390/s390.c (s390_option_override_internal): Use more
6733         aggressive inlining parameters.
6734
6735 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6736
6737         * config/s390/3906.md: New file.
6738         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6739         (LONGRUNNING_THRESHOLD): Remove.
6740         (MAX_SCHED_MIX_SCORE): Decrease.
6741         (MAX_SCHED_MIX_DISTANCE): Decrease.
6742         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6743         (struct s390_sched_state): New struct to hold scheduling state.
6744         (S390_SCHED_STATE_NORMAL): Remove.
6745         (S390_SCHED_STATE_CRACKED): Remove.
6746         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6747         (s390_get_sched_attrmask): Use new attribute.
6748         (s390_get_unit_mask): Use new units.
6749         (s390_is_fpd): New function.
6750         (s390_is_fxd): New function.
6751         (s390_is_longrunning): New function.
6752         (s390_sched_score): Use new functions.
6753         (s390_sched_reorder): Likewise.
6754         (s390_sched_variable_issue): Rework and use new functions.
6755         (s390_sched_init): Use new functions.
6756         * config/s390/s390.h (s390_tune_attr):  Add z14.
6757         * config/s390/s390.md: Add z14.
6758
6759 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6760
6761         * config/s390/2964.md: Update pipeline description.
6762         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6763         (LONGRUNNING_THRESHOLD): Remove.
6764         (LATENCY_FACTOR): Remove.
6765         (s390_get_unit_mask): Add unit.
6766         (s390_sched_score): Use fxd/fpd.
6767         (s390_sched_variable_issue): Use fxd/fpd.
6768
6769 2019-03-12  Martin Liska  <mliska@suse.cz>
6770
6771         * config/i386/i386.c: Reword an error message.
6772
6773 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6774
6775         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6776         terminate with newline.
6777
6778 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6779
6780         PR target/52726
6781         * config/s390/s390.md (tabort): Use %wd instead of
6782         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6783         letters and periods.
6784         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6785         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6786         's with %< and %>.
6787
6788         PR middle-end/89663
6789         * builtins.c (expand_builtin_int_roundingfn,
6790         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6791         gcc_unreachable if validate_arglist fails.
6792
6793 2019-03-12  Richard Biener  <rguenther@suse.de>
6794
6795         PR tree-optimization/89664
6796         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6797         free the occurance tree after the early out.
6798
6799 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6800
6801         PR middle-end/89655
6802         PR bootstrap/89656
6803         * vr-values.c (vr_values::update_value_range): If
6804         old_vr->varying_p (), don't update it, make new_vr also VARYING
6805         and return false.
6806
6807 2019-03-11  Martin Liska  <mliska@suse.cz>
6808
6809         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6810         Fix double string quoting.
6811
6812 2019-03-11  Martin Liska  <mliska@suse.cz>
6813
6814         * collect-utils.c (collect_wait): Wrap apostrophes
6815         in gcc internal format with %'.
6816         * collect2.c (main): Likewise.
6817         (scan_prog_file): Likewise.
6818         (scan_libraries): Likewise.
6819         * config/i386/i386.c (ix86_expand_call): Likewise.
6820         (ix86_handle_interrupt_attribute): Likewise.
6821         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6822         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6823         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6824         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6825         * symtab.c (symtab_node::verify_base): Likewise.
6826         * tree-cfg.c (verify_gimple_label): Likewise.
6827         * tree.c (verify_type_variant): Likewise.
6828
6829 2019-03-11  Martin Liska  <mliska@suse.cz>
6830
6831         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6832         in a string format message and fix GNU coding style.
6833         (expand_builtin_set_thread_pointer): Likewise.
6834         * common/config/aarch64/aarch64-common.c
6835         (aarch64_rewrite_selected_cpu): Likewise.
6836         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6837         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6838         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6839         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6840         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6841         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6842         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6843         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6844         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6845         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6846         Likewise.
6847         * common/config/riscv/riscv-common.c
6848         (riscv_subset_list::parsing_subset_version): Likewise.
6849         (riscv_subset_list::parse_std_ext): Likewise.
6850         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6851         (riscv_subset_list::parse): Likewise.
6852         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6853         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6854         (aarch64_override_options_internal): Likewise.
6855         (aarch64_validate_mcpu): Likewise.
6856         (aarch64_validate_march): Likewise.
6857         (aarch64_validate_mtune): Likewise.
6858         (aarch64_override_options): Likewise.
6859         * config/alpha/alpha.c (alpha_option_override): Likewise.
6860         * config/arc/arc.c (arc_init): Likewise.
6861         (parse_mrgf_banked_regs_option): Likewise.
6862         (arc_override_options): Likewise.
6863         (arc_expand_builtin_aligned): Likewise.
6864         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6865         (arm_expand_builtin): Likewise.
6866         * config/arm/arm.c (arm_option_check_internal): Likewise.
6867         (arm_configure_build_target): Likewise.
6868         (arm_option_override): Likewise.
6869         (arm_options_perform_arch_sanity_checks): Likewise.
6870         (arm_handle_cmse_nonsecure_entry): Likewise.
6871         (arm_handle_cmse_nonsecure_call): Likewise.
6872         (arm_tls_referenced_p): Likewise.
6873         (thumb1_expand_prologue): Likewise.
6874         * config/avr/avr.c (avr_option_override): Likewise.
6875         * config/bfin/bfin.c (bfin_option_override): Likewise.
6876         * config/c6x/c6x.c (c6x_option_override): Likewise.
6877         * config/cr16/cr16.c (cr16_override_options): Likewise.
6878         * config/cris/cris.c (cris_option_override): Likewise.
6879         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6880         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6881         * config/darwin.c (darwin_override_options): Likewise.
6882         * config/frv/frv.c (frv_expand_builtin): Likewise.
6883         * config/h8300/h8300.c (h8300_option_override): Likewise.
6884         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6885         (ix86_option_override_internal): Likewise.
6886         (warn_once_call_ms2sysv_xlogues): Likewise.
6887         (ix86_expand_prologue): Likewise.
6888         (split_stack_prologue_scratch_regno): Likewise.
6889         (ix86_warn_parameter_passing_abi): Likewise.
6890         * config/ia64/ia64.c (fix_range): Likewise.
6891         * config/m68k/m68k.c (m68k_option_override): Likewise.
6892         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6893         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6894         (mips_set_compression_mode): Likewise.
6895         * config/mmix/mmix.c (mmix_option_override): Likewise.
6896         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6897         * config/msp430/msp430.c (msp430_option_override): Likewise.
6898         * config/nds32/nds32.c (nds32_option_override): Likewise.
6899         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6900         (nios2_option_override): Likewise.
6901         (nios2_expand_custom_builtin): Likewise.
6902         * config/nvptx/mkoffload.c (main): Likewise.
6903         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6904         * config/pa/pa.c (fix_range): Likewise.
6905         (pa_option_override): Likewise.
6906         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6907         (riscv_option_override): Likewise.
6908         * config/rl78/rl78.c (rl78_option_override): Likewise.
6909         * config/rs6000/aix61.h: Likewise.
6910         * config/rs6000/aix71.h: Likewise.
6911         * config/rs6000/aix72.h: Likewise.
6912         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6913         * config/rs6000/freebsd64.h: Likewise.
6914         * config/rs6000/linux64.h: Likewise.
6915         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6916         (rs6000_expand_zeroop_builtin): Likewise.
6917         (rs6000_expand_mtfsb_builtin): Likewise.
6918         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6919         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6920         (rs6000_invalid_builtin): Likewise.
6921         (rs6000_expand_split_stack_prologue): Likewise.
6922         * config/rs6000/rtems.h: Likewise.
6923         * config/rx/rx.c (valid_psw_flag): Likewise.
6924         (rx_expand_builtin): Likewise.
6925         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6926         * config/s390/s390.c (s390_expand_builtin): Likewise.
6927         (s390_function_profiler): Likewise.
6928         (s390_option_override_internal): Likewise.
6929         (s390_option_override): Likewise.
6930         * config/sh/sh.c (sh_option_override): Likewise.
6931         (sh_builtin_saveregs): Likewise.
6932         (sh_fix_range): Likewise.
6933         * config/sh/vxworks.h: Likewise.
6934         * config/sparc/sparc.c (sparc_option_override): Likewise.
6935         * config/spu/spu.c (spu_option_override): Likewise.
6936         (fix_range): Likewise.
6937         * config/visium/visium.c (visium_option_override): Likewise.
6938         (visium_handle_interrupt_attr): Likewise.
6939         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6940         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6941         (dbg_cnt_process_opt): Likewise.
6942         * dwarf2out.c (output_dwarf_version): Likewise.
6943         * except.c (expand_eh_return): Likewise.
6944         * gcc.c (defined): Likewise.
6945         (driver_handle_option): Likewise.
6946         (process_command): Likewise.
6947         (compare_files): Likewise.
6948         (driver::prepare_infiles): Likewise.
6949         (driver::do_spec_on_infiles): Likewise.
6950         (driver::maybe_run_linker): Likewise.
6951         * omp-offload.c (oacc_parse_default_dims): Likewise.
6952         * opts-global.c (handle_common_deferred_options): Likewise.
6953         * opts.c (parse_sanitizer_options): Likewise.
6954         (common_handle_option): Likewise.
6955         (enable_warning_as_error): Likewise.
6956         * passes.c (enable_disable_pass): Likewise.
6957         * plugin.c (parse_plugin_arg_opt): Likewise.
6958         (default_plugin_dir_name): Likewise.
6959         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6960         (default_pch_valid_p): Likewise.
6961         * toplev.c (init_asm_output): Likewise.
6962         (process_options): Likewise.
6963         (toplev::run_self_tests): Likewise.
6964         * tree-cfg.c (verify_gimple_call): Likewise.
6965         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6966         (tree_inlinable_function_p): Likewise.
6967         * var-tracking.c (vt_find_locations): Likewise.
6968
6969 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6970
6971         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6972         only on the else branch.
6973
6974 2019-03-11  Martin Liska  <mliska@suse.cz>
6975
6976         * gcov.c (output_intermediate_json_line): Print function
6977         name of each line.
6978         (output_json_intermediate_file): Add new argument.
6979         * doc/gcov.texi: Document the change.
6980
6981 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6982
6983         PR rtl-optimization/89588
6984         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6985         explicit unrolling factor more robust.
6986
6987 2019-03-11  Richard Biener  <rguenther@suse.de>
6988
6989         PR tree-optimization/89649
6990         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6991         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6992         on the prolog and epilog loops.
6993         (vect_loop_versioning): Return copy of loop.
6994         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6995         on the non-vectorized version of the loop.
6996
6997 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6998
6999         PR target/68924
7000         * config/i386/sse.md (*vec_extractv2di_0_sse):
7001         Add (=r,x) alternative and corresponding splitter.
7002
7003 2019-03-10  Martin Jambor  <mjambor@suse.cz>
7004
7005         PR tree-optimization/85762
7006         PR tree-optimization/87008
7007         PR tree-optimization/85459
7008         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
7009         it points to if there is a type changing MEM_REF.  Adjust all callers.
7010         (build_accesses_from_assign): Disable total scalarization if
7011         contains_vce_or_bfcref_p returns true through the new parameter, for
7012         both rhs and lhs.
7013
7014 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
7015
7016         PR c/88568
7017         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
7018         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
7019
7020         PR target/79645
7021         * common.opt (fdiagnostics-show-labels,
7022         fdiagnostics-show-line-numbers, fdiagnostics-format=,
7023         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
7024         gas-locview-support, ginline-points, ginternal-reset-location-views):
7025         Terminate description text with a dot.
7026         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
7027         * config/mcore/mcore.opt (m210, m340): Likewise.
7028         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
7029         mnops=): Start description text with a capital letter.
7030         * config/arc/arc.opt (msize-level=): Likewise.
7031         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
7032         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
7033         mnewlib): Likewise.
7034         * config/ft32/ft32.opt (msim): Likewise.
7035         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
7036         (mnodiv, mnopm): Terminate description text with a dot.
7037         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
7038         a colon.
7039         * config/i386/i386.opt (prefer_vector_width, instrument_return):
7040         Likewise.
7041         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
7042         text.
7043
7044         PR rtl-optimization/89634
7045         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
7046         are modified in BB_END (e->src) instruction.
7047
7048 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
7049
7050         PR target/79926
7051         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
7052         messages more amenable to translation, and improve wording.
7053
7054 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
7055
7056         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
7057         ud- and du-chains between phases.
7058
7059 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
7060
7061         PR debug/89631
7062         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
7063         instead of POLY_INT_CST.
7064
7065 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7066
7067         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
7068         requirement.
7069
7070 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
7071
7072         PR target/68924
7073         PR target/78782
7074         PR target/87558
7075         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
7076         (_mm_storeu_si64): Ditto.
7077
7078 2019-03-08  Martin Liska  <mliska@suse.cz>
7079
7080         PR target/86952
7081         * config/i386/i386.c (ix86_option_override_internal): Disable
7082         jump tables when retpolines are used.
7083
7084 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
7085
7086         PR go/63560
7087         * ipa-split.c (execute_split_functions): Do not split
7088         'noinline' or 'section' function.
7089
7090 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7091
7092         PR target/79846
7093         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
7094         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
7095         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
7096
7097         PR ipa/80000
7098         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7099         from diagnostics.  Formatting fixes.
7100
7101         PR target/85665
7102         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
7103         warn_odr diagnostics.
7104
7105         PR other/80058
7106         * lra-constraints.c (process_alt_operands): Avoid one space before
7107         " at the end of line and another after " on another line in a string
7108         literal.
7109         * attribs.c (handle_dll_attribute): Likewise.
7110         * config/avr/avr-devices.c (avr_texinfo): Likewise.
7111
7112         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
7113         warning_at or inform messages in G_() if there is no ?:.
7114
7115         PR tree-optimization/89550
7116         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
7117         returned true.  Formatting fixes.
7118         (expand_builtin_strnlen): Formatting fixes.
7119         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
7120         if warning_at returned true.
7121         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
7122
7123 2019-03-08  Richard Biener  <rguenther@suse.de>
7124
7125         PR middle-end/89578
7126         * cfgloop.h (struct loop): Add owned_clique field.
7127         * cfgloopmanip.c (copy_loop_info): Copy it.
7128         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
7129         cliques.
7130         * tree-inline.c (copy_loops): Remap owned_clique.
7131         * lto-streamer-in.c (input_cfg): Stream owned_clique.
7132         * lto-streamer-out.c (output_cfg): Likewise.
7133
7134 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7135
7136         PR target/80190
7137         * config/darwin.c: Include intl.h.
7138         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
7139         composing the message out of two separate parts.
7140
7141 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7142
7143         PR target/80003
7144         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
7145         doesn't start with a capital letter and doesn't end with a dot.
7146         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
7147         with a capital letter.
7148         (ix86_mangle_function_version_assembler_name): Likewise.
7149         (ix86_generate_version_dispatcher_body): Likewise.
7150         (fold_builtin_cpu): Likewise.
7151         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
7152         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
7153         translators, wrap full type name in %qs.
7154
7155         PR translation/79999
7156         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
7157         depend clause with source (or sink) modifier.
7158         * omp-expand.c (expand_omp_ordered_sink): Likewise.
7159
7160         PR target/89602
7161         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
7162         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
7163         (avx512f_load<mode>_mask): New define_expand.
7164         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
7165         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
7166         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
7167         __builtin_ia32_movess_mask): New builtins.
7168         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
7169         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
7170         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
7171         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
7172
7173 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7174
7175         PR lto/87525
7176         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
7177         for extern inline functions.
7178
7179 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7180
7181         PR ipa/88235
7182         * cgraph.h (cgraph_node): New inline method former_thunk_p.
7183         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
7184         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
7185         have multiple callees.  At the end check if declarations match as
7186         opposed to cgraph_nodes.
7187
7188 2019-03-07  Martin Liska  <mliska@suse.cz>
7189
7190         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7191         which is equivalent to searching for this in clones chain.
7192         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7193         names with a neighbour and special case first node in a chain.
7194
7195 2019-01-25  Jason Merrill  <jason@redhat.com>
7196
7197         PR c++/80916 - spurious "static but not defined" warning.
7198         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7199         for an internal symbol with DECL_EXTERNAL.
7200
7201 2019-04-07  Richard Biener  <rguenther@suse.de>
7202
7203         PR middle-end/89618
7204         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7205         * tree-inline.c (copy_loops): Simplify.
7206
7207 2019-03-07  Martin Liska  <mliska@suse.cz>
7208
7209         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7210
7211 2019-03-07  Richard Biener  <rguenther@suse.de>
7212
7213         PR tree-optimization/89595
7214         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7215         stmt iterator as reference, take boolean output parameter to
7216         indicate whether the stmt was removed and thus the iterator
7217         already advanced.
7218         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7219         stmts created by folding.
7220
7221 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7222
7223         PR c++/89585
7224         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7225         at toplevel.
7226
7227 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7228
7229         PR rtl-optimization/88845
7230         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7231         LRA.
7232         * lra.c (remove_scratches_1): New function.
7233         (remove_scratches): Use it.
7234         (lra_emit_move): Likewise.
7235
7236 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7237
7238         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7239         unaligned_access variable.
7240         * config/arc/arc.c (arc_override_options): Set unaligned access
7241         default on for HS CPUs.
7242         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7243
7244 2019-03-06  Martin Liska  <mliska@suse.cz>
7245
7246         PR gcov-profile/89577
7247         * doc/gcov.texi: Prefer to use --coverage.
7248         * doc/sourcebuild.texi: Likewise.
7249
7250 2019-03-02  Jason Merrill  <jason@redhat.com>
7251
7252         PR c++/86485 - -Wmaybe-unused with empty class ?:
7253         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7254
7255 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7256
7257         PR target/89587
7258         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7259         if_multiarch.
7260
7261         PR middle-end/89590
7262         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7263         exactly one argument.
7264
7265 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7266             Richard Sandiford  <richard.sandiford@arm.com>
7267
7268         PR tree-optimization/89570
7269         * match.pd (vec_cond into cond_op simplification): Don't use
7270         get_conditional_internal_fn, use as_internal_fn (cond_op).
7271
7272 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7273
7274         PR target/89222
7275         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7276         to decide when to split off a non-zero offset from a symbol.
7277         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7278         in function symbols.
7279
7280 2019-03-05  Richard Biener  <rguenther@suse.de>
7281
7282         PR tree-optimization/89594
7283         * tree-if-conv.c (pass_if_conversion::execute): Handle
7284         case where .LOOP_VECTORIZED_FUNCTION was removed.
7285
7286 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7287
7288         PR bootstrap/89560
7289         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7290         instead alloca it only when needed with the needed size.
7291
7292         PR tree-optimization/89570
7293         * match.pd (vec_cond into cond_op simplification): Guard with
7294         vectorized_internal_fn_supported_p test and #if GIMPLE.
7295
7296         PR tree-optimization/89566
7297         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7298         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7299         Punt if get_user_idx_format succeeds, but idx_format argument is
7300         not provided or doesn't have pointer type, or if idx_args is above
7301         number of provided arguments.
7302
7303 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7304
7305         PR tree-optimization/89437
7306         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7307
7308 2019-03-04  Richard Biener  <rguenther@suse.de>
7309
7310         PR middle-end/89572
7311         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7312         safe_dyn_cast.
7313
7314 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7315
7316         PR tree-optimization/89487
7317         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7318         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7319         (distribute_loop): Don't do runtime alias check if there is non-
7320         addressable data reference.
7321         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7322         is a register variable.
7323
7324 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR target/89506
7327         * config/arm/arm.md (cmpsi2_addneg): Use
7328         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7329         If operands[2] is 0 or INT_MIN, force use of subs.
7330         (*compare_scc splitter): Use gen_int_mode.
7331         (*negscc): Likewise.
7332         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7333
7334 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7335             Monk Chiang  <sh.chiang04@gmail.com>
7336
7337         * common/config/riscv/riscv-common.c: Include sstream.
7338         (riscv_subset_list::to_string): New.
7339         (riscv_arch_str): Likewise.
7340         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7341         * config.in: Regen.
7342         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7343         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7344         (riscv_emit_attribute): New.
7345         (riscv_file_start): Emit attribute if needed.
7346         (riscv_option_override): Init riscv_emit_attribute_p.
7347         * config/riscv/riscv.opt (mriscv-attribute): New option.
7348         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7349         * configure: Regen.
7350         * doc/install.texi: Document --with-riscv-attribute.
7351         * doc/invoke.texi: Document -mriscv-attribute.
7352
7353         * common/config/riscv/riscv-common.c:
7354         Include config/riscv/riscv-protos.h.
7355         (INCLUDE_STRING): Defined.
7356         (RISCV_DONT_CARE_VERSION): Defined.
7357         (riscv_subset_t): Declare.
7358         (riscv_subset_t::riscv_subset_t): New.
7359         (riscv_subset_list): Declare.
7360         (riscv_subset_list::riscv_subset_list): New.
7361         (riscv_subset_list::~riscv_subset_list): Likewise.
7362         (riscv_subset_list::parsing_subset_version): Likewise.
7363         (riscv_subset_list::parse_std_ext): Likewise.
7364         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7365         (riscv_subset_list::add): Likewise.
7366         (riscv_subset_list::lookup): Likewise.
7367         (riscv_subset_list::xlen): Likewise.
7368         (riscv_subset_list::parse): Likewise.
7369         (riscv_supported_std_ext): Likewise.
7370         (current_subset_list): Likewise.
7371         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7372         parse.
7373
7374 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7375
7376         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7377         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7378         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7379
7380 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7381
7382         PR rtl-optimization/85899
7383         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7384         fallthru edges leading to the exit block.
7385
7386 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7387
7388         PR target/89517
7389         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7390         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7391
7392 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7393
7394         PR tree-optimization/89535
7395         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7396         for each operand.  Calculate the fallback choice for mask operands
7397         and pass it to vect_get_vec_def_for_operand.
7398
7399 2019-03-01  Richard Biener  <rguenther@suse.de>
7400
7401         PR middle-end/89541
7402         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7403         get virtual operands.
7404         (get_expr_operands): Handle CONST_DECL like other decls.
7405
7406 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7407
7408         PR middle-end/89503
7409         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7410         on DECL_P and EXPR_P.
7411
7412 2019-03-01  Richard Biener  <rguenther@suse.de>
7413
7414         PR middle-end/89497
7415         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7416         argument, defaulted to zero.
7417         * passes.c (execute_function_todo): Pass down SSA update flags
7418         to cleanup_tree_cfg.
7419         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7420         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7421         form if requested.
7422         (cleanup_tree_cfg): Get and pass down SSA update flags.
7423
7424 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7425
7426         PR bootstrap/89539
7427         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7428         early_lto_debug argument.
7429
7430 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7431
7432         PR tree-optimization/89536
7433         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7434         only whether bit #0 of the value is 0 instead of the entire value.
7435
7436 2019-02-28  Marek Polacek  <polacek@redhat.com>
7437
7438         PR c++/87068 - missing diagnostic with fallthrough statement.
7439         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7440         at the end of a seq, save its location to walk_stmt_info.
7441         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7442         a switch.
7443
7444 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7445
7446         PR lto/88585
7447         * tree.c (find_atomic_core_type): Move ahead in file.
7448         (check_base_type): Correctly compare alignments of atomic types.
7449
7450 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7451
7452         PR target/89455
7453         * config/i386/i386.c (get_builtin_code_for_version): Identify
7454         Westmere from PCLMUL, instead of AES.
7455
7456 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7457
7458         PR target/89434
7459         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7460         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7461         -UINTVAL (...).
7462
7463 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7464
7465         PR target/88530
7466         * config/aarch64/aarch64-option-extensions.def: Document it.
7467         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7468         if empty hwcaps.
7469
7470 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7471
7472         PR c/89520
7473         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7474         builtins if they don't have a single scalar floating point argument.
7475         Formatting fixes.
7476
7477 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7478
7479         PR rtl-optimization/89490
7480         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7481         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7482         block section is not mergeable.
7483
7484 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7485
7486         PR target/70341
7487         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7488         old define_insn to ...
7489         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7490         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7491         Rename old define_insn to ...
7492         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7493         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7494         define_insn to ...
7495         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7496         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7497         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7498
7499 2019-02-27  Richard Biener  <rguenther@suse.de>
7500
7501         PR debug/88878
7502         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7503
7504 2019-02-27  Richard Biener  <rguenther@suse.de>
7505
7506         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7507         building.
7508
7509 2019-02-27  Richard Biener  <rguenther@suse.de>
7510
7511         PR debug/88878
7512         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7513         parameter, prefix section name with .gnu.debuglto_ if true.
7514         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7515         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7516
7517 2019-02-27  Richard Biener  <rguenther@suse.de>
7518
7519         PR debug/89514
7520         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7521         rather than on use_debug_types, doing what output_die does.
7522         (value_format): Likewise.
7523
7524 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7525             Martin Sebor  <msebor@redhat.com>
7526
7527         * doc/invoke.texi (Warning Options): Reword description of
7528         -Wno-absolute-value.
7529
7530 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7531
7532         PR tree-optimization/89280
7533         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7534         builtin_setjmp_setup_bb): New functions.
7535         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7536         When visiting __builtin_setjmp_setup block, queue in special
7537         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7538         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7539         from visited after the loop if they don't have any visited successor
7540         blocks.
7541
7542 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7543
7544         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7545         New function.
7546         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7547
7548 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7549
7550         PR c++/89507
7551         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7552         with types other than sizetype/ssizetype.
7553
7554 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7555
7556         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7557         (enum sparc_processor_type): ...this.
7558         (enum sparc_code_model_type): New enumeration type.
7559         (enum sparc_memory_model_type): Tweak comments.
7560         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7561         (mtune): Likewise.
7562         (mcmodel): Use sparc_code_model enumeration and variable.
7563         (sparc_code_model): New enumeration.
7564         (mdebug): Add Undocumented marker.
7565         * config/sparc/sparc.h (enum cmodel): Delete.
7566         (sparc_cmodel): Likewise.
7567         (TARGET_CM_MEDLOW): Adjust to above renaming.
7568         (TARGET_CM_MEDMID): Likewise.
7569         (TARGET_CM_MEDANY): Likewise.
7570         (TARGET_CM_EMBMEDANY): Likewise.
7571         * config/sparc/sparc.c (sparc_cmodel): Delete.
7572         (sparc_option_override): Remove string/value mapping support for the
7573         code model.  Move code and memory model support to after the handling
7574         of target flags.  Do private machine setup last.
7575         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7576         (sparc_legitimize_reload_address): Likewise.
7577         (sparc_output_mi_thunk): Likewise.
7578         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7579
7580 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7581
7582         PR tree-optimization/89500
7583         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7584         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7585         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7586         cst if the first cst bytes starting at x are known to be non-zero,
7587         even if the string is not zero terminated.  Don't try to modify
7588         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7589         we can prove strnlen returns the same value as strlen would.
7590
7591 2019-02-26  Martin Liska  <mliska@suse.cz>
7592
7593         * alloc-pool.h (struct pool_usage): Remove extra
7594         print_dash_line.
7595         * bitmap.h (struct bitmap_usage): Likewise.
7596         * ggc-common.c (struct ggc_usage): Likewise.
7597         * mem-stats.h (struct mem_usage): Likewise.
7598         (mem_alloc_description::dump): Print dash lines
7599         here and repeat header at the end of a table report.
7600         It's then more readable.
7601         * tree-phinodes.c (phinodes_print_statistics): Make
7602         horizontal alignment.
7603         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7604         * vec.c (struct vec_usage): Remove extra print_dash_line.
7605         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7606
7607 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7608
7609         * doc/extend.texi (__builtin_object_size):
7610         Use @pxref instead of @xref inside parenthesis.
7611         (__builtin_has_attribute): Add missing comma after @xref.
7612         (__builtin_object_size): Ditto.
7613         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7614         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7615         in the list.
7616
7617 2019-02-26  Jeff Law  <law@redhat.com>
7618
7619         PR rtl-optimization/87761
7620         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7621         detect obviously dead insns and delete them.
7622
7623 2019-02-26  Richard Biener  <rguenther@suse.de>
7624
7625         PR tree-optimization/89505
7626         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7627         to handle restrict pointed-to vars with multiple subvars
7628         correctly.
7629
7630 2019-02-26  Richard Biener  <rguenther@suse.de>
7631
7632         PR tree-optimization/89489
7633         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7634
7635 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7636
7637         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7638         and move around comment.
7639         <BIT_AND_EXPR>: Likewise.
7640         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7641
7642 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7643
7644         PR target/89474
7645         * config/i386/i386.c (remove_partial_avx_dependency): Call
7646         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7647         after changing possibly many instructions to use that pseudo.  Fix up
7648         insertion of v4sf_const0 setter at the start of bb.
7649
7650 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7651
7652         PR c/80409
7653         * doc/extend.texi (Variadic Pointer Args): New section.
7654
7655 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7656             Martin Sebor  <msebor@gmail.com>
7657
7658         * common.opt (Wattribute-alias): Likewise.
7659         * doc/invoke.texi (Option Summary): List general form of
7660         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7661         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7662         Add cross-references.
7663         (-Wattribute-alias): Rewrite and correct default.  Mention
7664         considered attributes (same as for -Wmissing-attributes).
7665
7666 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7667
7668         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7669         (_mm_cvtpd_ps): Likewise.
7670         (_mm_cvttpd_epi32): Likewise.
7671
7672         PR target/89338
7673         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7674         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7675
7676         PR target/89339
7677         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7678
7679 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7680
7681         PR target/88530
7682         * common/config/aarch64/aarch64-common.c
7683         (struct aarch64_option_extension): Add is_synthetic.
7684         (all_extensions): Use it.
7685         (TARGET_OPTION_INIT_STRUCT): Define hook.
7686         (struct gcc_targetm_common): Moved to end.
7687         (all_extensions_by_on): New.
7688         (opt_ext_cmp, typedef opt_ext): New.
7689         (aarch64_option_init_struct): New.
7690         (aarch64_contains_opt): New.
7691         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7692         * config/aarch64/aarch64-option-extensions.def
7693         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7694         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7695         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7696         Set is_synthetic to false.
7697         (crypto): Set is_synthetic to true.
7698         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7699         SYNTHETIC.
7700
7701 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7702
7703         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7704         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7705         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7706         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7707         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7708         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7709         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7710         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7711         Rename ...
7712         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7713         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7714         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7715         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7716         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7717         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7718         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7719         vfmlsl_laneq_high_f16): ... To this.
7720         * config/arm/neon.md: Update comments.
7721
7722 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7723
7724         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7725         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7726         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7727         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7728         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7729         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7730         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7731         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7732         Rename ...
7733         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7734         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7735         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7736         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7737         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7738         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7739         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7740         vfmlslq_laneq_high_f16): ... To this.
7741
7742 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7743
7744         PR rtl-optimization/86096
7745         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7746         comparing mw_order values.
7747
7748 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7749
7750         PR target/89434
7751         * config/arm/arm.md (*subsi3_carryin_const): Use
7752         arm_neg_immediate_operand predicate instead of
7753         arm_not_immediate_operand, "L" constraint instead of "K" and
7754         print it using %n2 instead of %B2.
7755         (*subsi3_carryin_const0): New define_insn.
7756         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7757         instead of arm_not_operand and "I" constraint instead of "K" and
7758         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7759         another match_operand and in the condition check that it is negation
7760         of operands[2].
7761         (*subsi3_carryin_compare_const0): New define_ins.
7762         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7763         *subsi3_carryin_const.
7764         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7765         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7766
7767         PR target/89438
7768         * config/arm.vfp.md (*negdf2_vfp): Use
7769         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7770         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7771
7772 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7773
7774         PR rtl-optimization/89445
7775         * simplify-rtx.c (simplify_ternary_operation): Don't use
7776         simplify_merge_mask on operands that may trap.
7777         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7778         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7779         second operand is CONST_VECTOR, check if any element could be zero.
7780         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7781         their operands can trap.
7782
7783 2019-02-23  Martin Sebor  <msebor@redhat.com>
7784
7785         * gimple-ssa-sprintf.c (target_strtol): Rename...
7786         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7787         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7788         check for range error.
7789
7790 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7791
7792         PR driver/69471
7793         * opts-common.c (prune_options): Also prune joined switches
7794         with Negative and RejectNegative.
7795         * config/i386/i386.opt (march=): Add Negative(march=).
7796         (mtune=): Add Negative(mtune=).
7797         * doc/options.texi: Document Negative used together with Joined
7798         and RejectNegative.
7799
7800 2019-02-22  Martin Sebor  <msebor@redhat.com>
7801
7802         * doc/extend.texi (Other Builtins): Add
7803         __builtin_is_constant_evaluated.
7804
7805 2019-02-22  Richard Biener  <rguenther@suse.de>
7806
7807         PR tree-optimization/87609
7808         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7809
7810 2019-02-22  Jeff Law  <law@redhat.com>
7811
7812         PR rtl-optimization/87761
7813         * config/mips/mips.md: Add new combiner pattern to recognize
7814         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7815
7816 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7817
7818         PR target/89324
7819         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7820         destination register in peepholes generating patterns for ADDS/SUBS.
7821         (add<mode>3_compare0,
7822         *addsi3_compare0_uxtw, add<mode>3_compareC,
7823         add<mode>3_compareV_imm, add<mode>3_compareV,
7824         *adds_<optab><ALLX:mode>_<GPI:mode>,
7825         *subs_<optab><ALLX:mode>_<GPI:mode>,
7826         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7827         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7828         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7829         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7830         sub<mode>3_compare1): Allow stack pointer for source register.
7831         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7832
7833 2019-02-22  Martin Sebor  <msebor@redhat.com>
7834
7835         PR tree-optimization/88993
7836         PR tree-optimization/88853
7837         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7838         New helper.
7839         (sprintf_dom_walker::call_info::is_string_func): New helper.
7840         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7841         for formatted string functions.
7842         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7843
7844 2019-02-22  Martin Sebor  <msebor@redhat.com>
7845
7846         PR c/89425
7847         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7848         unreachable subexpressions.
7849
7850 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7851             Hongtao Liu  <hongtao.liu@intel.com>
7852             Sunil K Pandey  <sunil.k.pandey@intel.com>
7853
7854         PR target/87007
7855         * config/i386/i386-passes.def: Add
7856         pass_remove_partial_avx_dependency.
7857         * config/i386/i386-protos.h
7858         (make_pass_remove_partial_avx_dependency): New.
7859         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7860         New function.
7861         (pass_data_remove_partial_avx_dependency): New.
7862         (pass_remove_partial_avx_dependency): Likewise.
7863         (make_pass_remove_partial_avx_dependency): Likewise.
7864         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7865         (*extendsfdf2): Add avx_partial_xmm_update.
7866         (truncdfsf2): Likewise.
7867         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7868         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7869
7870 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7871
7872         PR middle-end/85598
7873         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7874         analysis for pass.
7875
7876 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7877
7878         PR target/89444
7879         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7880         (PTA_SKYLAKE): Add PTA_AES.
7881         (PTA_GOLDMONT): Likewise.
7882
7883 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7884
7885         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7886         instruction if enabled.
7887         (aarch64_override_options): Remove reference to return address key.
7888
7889 2019-02-22  Richard Biener  <rguenther@suse.de>
7890
7891         PR tree-optimization/89440
7892         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7893         not necessary assert.
7894
7895 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7896
7897         PR fortran/72741
7898         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7899         (oacc_replace_fn_attrib_attr): ... this new function.
7900         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7901         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7902
7903 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7904
7905         * config/arm/arm-cpus.in (ares): Rename to...
7906         (neoverse-n1): ... This.  Add ares as alias.
7907         * config/arm/arm-tables.opt: Regenerate.
7908         * config/arm/arm-tune.md: Likewise.
7909         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7910
7911 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7912
7913         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7914         * config/aarch64/aarch64-tune.md: Regenerate.
7915         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7916
7917 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7918
7919         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7920         (neoversen1_tunings): ... This.
7921         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7922         (neoverse-n1): New CPU.
7923         * config/aarch64/aarch64-tune.md: Regenerate.
7924         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7925
7926 2019-02-22  Richard Biener  <rguenther@suse.de>
7927
7928         PR middle-end/87609
7929         * cfghooks.h (dependence_hash): New typedef.
7930         (struct copy_bb_data): New type.
7931         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7932         (duplicate_block): Likewise.
7933         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7934         (copy_bbs): Create and pass down copy_bb_data.
7935         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7936         (rtl_duplicate_bb): Likewise.
7937         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7938         remap dependence info.
7939
7940 2019-02-22  Richard Biener  <rguenther@suse.de>
7941
7942         PR tree-optimization/87609
7943         * tree-core.h (tree_base): Document special clique values.
7944         * tree-inline.c (remap_dependence_clique): Do not use the
7945         special clique value of one.
7946         (maybe_set_dependence_info): Use clique one.
7947         (clear_dependence_clique): New callback.
7948         (compute_dependence_clique): Clear clique one from all refs
7949         before assigning it (again).
7950
7951 2019-02-21  Martin Sebor  <msebor@redhat.com>
7952
7953         * doc/extend.texi (__clear_cache): Correct signature.
7954
7955 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7956
7957         PR go/89170
7958         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7959         than output_constant_def.
7960         (add_constant_to_table): New static function.
7961         (output_constant_def): Call add_constant_to_table.
7962         (tree_output_constant_def): Likewise.
7963
7964 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7965
7966         PR c++/89285
7967         * builtins.c (fold_builtin_arith_overflow): If first two args are
7968         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7969         to ifn.
7970
7971 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7972
7973         PR target/87412
7974         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7975         error for -mindirect-branch/-mfunction-return with incompatible
7976         -fcf-protection.
7977
7978 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7979
7980         PR bootstrap/88714
7981         * constraints.md (q): Remove.
7982         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7983         instead of q.
7984
7985 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7986
7987         PR hsa/89302
7988         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7989         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7990         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7991         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7992         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7993         proper values to new parameters of omp_adjust_for_condition.
7994
7995 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7996
7997         PR middle-end/89412
7998         * expr.c (expand_assignment): If result is a MEM, use change_address
7999         instead of simplify_gen_subreg.
8000
8001 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8002             David Malcolm  <dmalcolm@redhat.com>
8003
8004         PR middle-end/89091
8005         * fold-const.c (decode_field_reference): Return NULL_TREE if
8006         lang_hooks.types.type_for_size returns NULL.  Check it before
8007         overwriting *exp_.  Use return NULL_TREE instead of return 0.
8008
8009 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8010
8011         PR middle-end/88074
8012         PR middle-end/89415
8013         * toplev.c (do_compile): Double the emin/emax exponents to workaround
8014         buggy mpc_norm.
8015
8016 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
8017
8018         PR target/89397
8019         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
8020         TARGET_SSE in addition to TARGET_SSE_MATH.
8021
8022         (ix86_excess_precision): Ditto.
8023         (ix86_float_exceptions_rounding_supported_p): Ditto.
8024         (use_rsqrt_p): Ditto.
8025         * config/i386/sse.md (rsqrt<mode>2): Ditto.
8026
8027 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
8028
8029         PR c/89410
8030         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
8031         linenum_arith_t when determining if two adjacent line spans are
8032         close enough to merge.
8033         (diagnostic_show_locus): Use linenum_arith_t when iterating over
8034         lines within each line_span.
8035
8036 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
8037
8038         PR target/86487
8039         * lra-constraints.c(uses_hard_regs_p): Fix handling of
8040         paradoxical SUBREGS.
8041
8042 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
8043
8044         PR target/88100
8045         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
8046         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
8047         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
8048         range checking it.
8049
8050 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
8051
8052         * config/gcn/gcn.c (print_operand): Fix typo.
8053
8054 2019-02-19  Richard Biener  <rguenther@suse.de>
8055
8056         PR middle-end/88074
8057         * toplev.c (do_compile): Initialize mpfr's exponent range
8058         based on available float modes.
8059
8060 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8061
8062         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
8063         as long as the epilogue isn't completed.
8064
8065 2019-02-18  Martin Sebor  <msebor@redhat.com>
8066
8067         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
8068         __has_cpp_attribute, and __has_include.
8069
8070 2019-02-18  Martin Sebor  <msebor@redhat.com>
8071
8072         * doc/invoke.texi (-Wreturn-type): Correct and expand.
8073
8074 2019-02-18  Martin Sebor  <msebor@redhat.com>
8075
8076         PR middle-end/89294
8077         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
8078         expression.
8079         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
8080
8081 2019-02-18  Richard Biener  <rguenther@suse.de>
8082
8083         PR tree-optimization/89296
8084         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
8085         of no-warning flag to cases that might emit the bogus warning.
8086
8087 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
8088
8089         PR bootstrap/88714
8090         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
8091         "q" constraint.
8092         * config/arm/vfp.md (*movdi_vfp): Likewise.
8093         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
8094         "q" constraint for operands[0].
8095
8096         PR target/89369
8097         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
8098         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
8099         pattern in a temporary buffer.
8100         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
8101         than 64-operands[2].
8102
8103         PR target/89361
8104         * config/s390/s390.c (s390_indirect_branch_attrvalue,
8105         s390_indirect_branch_settings): Define unconditionally.
8106         (s390_set_current_function): Likewise, but guard the whole body except
8107         the s390_indirect_branch_settings call with
8108         #if S390_USE_TARGET_ATTRIBUTE.
8109         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
8110
8111         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
8112         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
8113         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
8114         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
8115         HOST_WIDE_INT_1U instead of 1ULL.
8116         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
8117         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
8118         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
8119         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
8120         instead of 1UL.
8121         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
8122         instead of 1ul.
8123
8124 2019-02-18  Martin Jambor  <mjambor@suse.cz>
8125
8126         PR tree-optimization/89209
8127         * tree-sra.c (create_access_replacement): New optional parameter
8128         reg_tree.  Use it as a type if non-NULL and access type is not of
8129         a register type.
8130         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
8131         to create_access_replacement.
8132         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
8133         Check lacc is non-NULL before attempting to re-create it on the RHS.
8134
8135 2019-02-18  Martin Liska  <mliska@suse.cz>
8136
8137         PR ipa/89306
8138         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
8139         by default.
8140         (symbol_table::free_edge): Recycle m_summary_id.
8141         * cgraph.h (get_summary_id): New.
8142         (symbol_table::release_symbol): Set m_summary_id to -1
8143         by default.
8144         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
8145         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
8146         function_summary to fast_function_summary.
8147         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
8148         * ipa-pure-const.c (class funct_state_summary_t):
8149         Switch from function_summary to fast_function_summary.
8150         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
8151         (class ipa_ref_opt_summary_t): Switch from function_summary
8152         to fast_function_summary.
8153         * symbol-summary.h (class function_summary_base): New class
8154         that is created from base of former function_summary.
8155         (function_summary_base::unregister_hooks): New.
8156         (class function_summary): Inherit from function_summary_base.
8157         (class call_summary_base): New class
8158         that is created from base of former call_summary.
8159         (class call_summary): Inherit from call_summary_base.
8160         (struct is_same): New.
8161         (class fast_function_summary): New summary class.
8162         (class fast_call_summary): New summary class.
8163         * vec.h (vec_safe_grow_cleared): New function.
8164
8165 2019-02-18  Martin Liska  <mliska@suse.cz>
8166
8167         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
8168         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
8169         * doc/tm.texi: Document new target hook.
8170         * doc/tm.texi.in: Likewise.
8171         * target.def: Add new target macro.
8172         * gcc.c (find_fortran_preinclude_file): Do not search multilib
8173         suffixes.
8174
8175 2019-02-17  Alan Modra  <amodra@gmail.com>
8176
8177         PR target/89271
8178         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
8179         output reg on add insn.
8180         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
8181
8182 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8183
8184         PR target/89372
8185         * config/i386/sse.md (ssedoublemode): Remove V4HI.
8186         (PMULHRSW): Likewise.
8187         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
8188         TARGET_AVX2.
8189         (ssse3_pmulhrswv4hi3): New expander.
8190
8191 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8192
8193         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8194         MMX.  Add isa attribute.
8195
8196 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8197
8198         PR rtl-optimization/66152
8199         * builtins.h (c_readstr): Declare.
8200         * builtins.c (c_readstr): Remove forward declaration.  Add
8201         null_terminated_p argument, if false, read all bytes from the
8202         string instead of stopping after '\0'.
8203         * expr.c (string_cst_read_str): New function.
8204         (store_expr): Use string_cst_read_str instead of
8205         builtin_strncpy_read_str.  Try to store by pieces the whole
8206         exp_len first, and only if that fails, split it up into
8207         store by pieces followed by clear_storage.  Formatting fix.
8208
8209         * config/i386/i386.md (*movqi_internal): Remove static from
8210         buf variable.  Use output_asm_insn (buf, operands); return "";
8211         instead of return buf;.
8212         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8213         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8214         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8215
8216 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8217
8218         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8219         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8220         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8221         (CC1_SPEC): Likewise.
8222         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8223
8224 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8225
8226         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8227         the base address on 64-bit strict-alignment platforms.
8228
8229 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8230
8231         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8232
8233 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8234
8235         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8236
8237 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8238
8239         PR rtl-optimization/88308
8240         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8241         on copied instruction.
8242
8243 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8244
8245         * final.c (insn_current_reference_address): Replace test on JUMP_P
8246         with test on jump_to_label_p.
8247         * config/visium/visium-passes.def: New file.
8248         * config/visium/t-visium (PASSES_EXTRA): Define.
8249         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8250         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8251         (TRAMPOLINE_ALIGNMENT): Define.
8252         * config/visium/visium.c (visium_option_override): Do not register
8253         the machine-specific reorg pass here.
8254         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8255         for the GR6.
8256         (output_branch): Adjust threshold for long branch instruction.
8257         * config/visium/visium.md (cpu): Move around.
8258         (length): Adjust for the GR6.
8259
8260 2019-02-15  Richard Biener  <rguenther@suse.de>
8261             Jakub Jelinek  <jakub@redhat.com>
8262
8263         PR tree-optimization/89278
8264         * tree-loop-distribution.c: Include tree-eh.h.
8265         (generate_memset_builtin, generate_memcpy_builtin): Call
8266         rewrite_to_non_trapping_overflow on builtin->size before passing it
8267         to force_gimple_operand_gsi.
8268
8269 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8270
8271         PR other/89342
8272         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8273         optimize_debug.
8274         * opth-gen.awk: Likewise.
8275
8276 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8277
8278         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8279         Enable MMX, SSE and SSE2 by default.
8280         * config/i386/i386.c (ix86_option_override_internal): Do not
8281         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8282
8283 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8284
8285         PR rtl-optimization/89354
8286         * combine.c (make_extraction): Punt if extraction_mode is narrower
8287         than len bits.
8288
8289 2019-02-14  Maya Rashish  <coypu@sdf.org>
8290
8291         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8292         * config/netbsd-d.c: New file.
8293         * config/t-netbsd: Add netbsd-d.o
8294
8295 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8296
8297         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8298         affects_type_identity to true for aarch64_vector_pcs.
8299         (aarch64_comp_type_attributes): New function.
8300         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8301
8302 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8303
8304         PR target/88850
8305         * config/arm/iterators.md (ANY64): Add V4HF.
8306
8307 2019-02-14  Martin Liska  <mliska@suse.cz>
8308
8309         PR rtl-optimization/89242
8310         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8311         process a transformation.
8312
8313 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8314
8315         PR tree-optimization/89314
8316         * fold-const.c (fold_binary_loc): Cast strlen argument to
8317         const char * before dereferencing it.  Formatting fixes.
8318
8319         PR middle-end/89284
8320         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8321
8322 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8323
8324         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8325         and set current index for other optimizations.
8326
8327 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8328
8329         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8330         nonimmediate_operand as operand 2 predicate.
8331         (vec_set<VF2_512_256:mode>_0): Ditto.
8332         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8333         (*vec_concatv2si): Remove alternative 2.
8334         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8335         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8336         (vec_concatv2di): Split alternatives 4,5,6 to ...
8337         (*vec_concatv2di_0) ... new pattern.
8338
8339 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8340
8341         PR target/89190
8342         * config/arm/arm.c (ldm_stm_operation_p) Set
8343         addr_reg_in_reglist correctly for first register.
8344         (load_multiple_sequence): Remove dead base check.
8345         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8346
8347 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8348
8349         PR target/88847
8350         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8351         Expose as @aarch64_pred_mov.
8352         * config/aarch64/aarch64.c (aarch64_classify_address):
8353         Use expand_insn which legitimizes operands.
8354
8355 2019-02-13  Martin Liska  <mliska@suse.cz>
8356
8357         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8358         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8359         and pointer_offset fields.
8360         (initialize_argument_information): Remove usage of dead
8361         fields.
8362         * cgraph.h (struct cgraph_thunk_info): Remove
8363         add_pointer_bounds_args.
8364         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8365         fields.
8366         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8367         fields.
8368         * config/i386/i386.c (ix86_function_arg_advance): Remove
8369         unrelated comment.
8370         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8371         (def_builtin):  Remove usage of dead
8372         fields.
8373         (ix86_add_new_builtins): Likewise.
8374         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8375         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8376         (sem_function::init): Likewise.
8377         (sem_variable::merge): Likewise.
8378         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8379         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8380         * lto-cgraph.c (lto_output_node): Likewise.
8381         (lto_output_varpool_node): Likewise.
8382         (input_node): Likewise.
8383         (input_varpool_node): Likewise.
8384         * lto-streamer-out.c (lto_output): Likewise.
8385         * tree-inline.c (expand_call_inline): Remove usage of
8386         assign_stmts.
8387         * tree-inline.h (struct copy_body_data): Likewise.
8388         * varpool.c (varpool_node::dump): Likewise.
8389
8390 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8391
8392         PR middle-end/89303
8393         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8394         into pt->vars_contains_escaped_heap instead of setting
8395         pt->vars_contains_escaped_heap to it.
8396
8397         PR middle-end/89281
8398         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8399         INTVAL (size), compare it to GET_MODE_MASK instead of
8400         1 << GET_MODE_BITSIZE.
8401
8402         PR target/89290
8403         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8404         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8405         -mcmodel=large.
8406
8407 2019-02-13  Martin Liska  <mliska@suse.cz>
8408
8409         PR lto/88858
8410         * cfgrtl.c (remove_barriers_from_footer): New function.
8411         (try_redirect_by_replacing_jump): Use it.
8412         (cfg_layout_redirect_edge_and_branch): Likewise.
8413
8414 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8415
8416         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8417         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8418         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8419         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8420         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8421         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8422         New BU_CRYPTO_2.
8423         * config/rs6000/rs6000.c (builtin_function_type)
8424         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8425         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8426         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8427         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8428         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8429
8430 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8431
8432         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8433         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8434
8435 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8436
8437         PR target/89229
8438         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8439         268678 and revision 268657.
8440         (*movti_internal): Likewise.
8441
8442 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8443
8444         PR target/89233
8445         * config/s390/s390.c (s390_decompose_address): Update comment.
8446         (s390_check_qrst_address): Reject invalid address forms after
8447         LRA.
8448
8449 2019-02-12  Martin Liska  <mliska@suse.cz>
8450
8451         PR lto/88876
8452         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8453         we need default values of funct_state for a function that
8454         is not optimized.
8455
8456 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8457
8458         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8459         the object to pick the size of stores on strict-alignment platforms.
8460
8461         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8462         (*movdi_insn_sp32): Likewise.
8463         (*movdi_insn_sp64): Likewise.
8464
8465 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8466
8467         PR lto/88677
8468         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8469         types that needs constructiong.
8470         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8471
8472 2019-02-12  Richard Biener  <rguenther@suse.de>
8473
8474         PR tree-optimization/89253
8475         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8476         duplicate the loop.
8477
8478 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8479
8480         PR lto/88147
8481         * input.c (selftest::test_line_offset_overflow): New selftest.
8482         (selftest::input_c_tests): Call it.
8483
8484 2019-02-11  Martin Sebor  <msebor@redhat.com>
8485
8486         PR tree-optimization/88771
8487         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8488         when -Wstringop-overflow is set.
8489         (builtin_memref::builtin_memref): Adjust excessive upper bound
8490         only when lower bound is not excessive.
8491         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8492         -Wstringop-ovefflow.
8493         (maybe_diag_offset_bounds): Rename...
8494         (maybe_diag_access_bounds): ...to this.
8495         (check_bounds_or_overlap): Adjust for name change above.
8496
8497 2019-02-11  Martin Sebor  <msebor@redhat.com>
8498
8499         PR c++/87996
8500         * builtins.c (max_object_size): Move from here...
8501         * builtins.h (max_object_size): ...and here...
8502         * tree.c (max_object_size): ...to here...
8503         * tree.h (max_object_size): ...and here.
8504
8505 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8506
8507         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8508         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8509         for correct semantics.
8510
8511 2019-02-11  Alan Modra  <amodra@gmail.com>
8512
8513         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8514         -mlongcall and -mpltseq.
8515         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8516         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8517         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8518         * config/rs6000/sysv4.opt (mpltseq): New option.
8519         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8520         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8521         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8522         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8523         -mpltseq given for ELFv1.
8524         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8525         Only use UNSPEC_PLTSEQ for inline PLT calls.
8526         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8527         use UNSPEC_PLTSEQ for inline PLT calls.
8528         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8529         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8530         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8531         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8532         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8533         (pltseq_mtctr_<mode>): Likewise.
8534
8535 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8536
8537         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8538         Solaris ld.
8539         * configure: Regenerate.
8540
8541 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8542
8543         PR bootstrap/88714
8544         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8545         instead of r.
8546
8547 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8548
8549         * function.c (assign_parm_setup_block): Use the stored
8550         size, not the passed size, when allocating stack-space,
8551         also for a parameter with alignment larger than
8552         MAX_SUPPORTED_STACK_ALIGNMENT.
8553
8554 2019-02-11  Martin Liska  <mliska@suse.cz>
8555
8556         PR ipa/89009
8557         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8558         * ipa-inline.c (inline_small_functions): Likewise.
8559         * ipa-pure-const.c (propagate_pure_const): Likewise.
8560         (propagate_nothrow): Likewise.
8561         * ipa-reference.c (propagate): Likewise.
8562         * ipa-utils.c (struct searchc_env): Remove unused field.
8563         (searchc): Always search across AVAIL_INTERPOSABLE.
8564         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8565         the only called IPA pure const can properly not propagate
8566         across interposable boundary.
8567         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8568
8569 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8570
8571         * config/nds32/nds32.md (call_internal, call_value_internal,
8572         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8573
8574 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8575
8576         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8577         typo.
8578
8579 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8580
8581         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8582         in comments
8583
8584 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8585
8586         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8587
8588 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8589
8590         PR tree-optimization/89268
8591         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8592         if preds is non-NULL.
8593
8594 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8595
8596         PR lto/89272
8597         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8598         polymorphic types.
8599
8600 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8601
8602         * config/nds32/nds32.md (trap): New pattern.
8603
8604 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8605
8606         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8607         dwarf span.
8608
8609 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8610
8611         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8612         to split POST_INC.
8613
8614 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8615
8616         * ipa-visibility.c (localize_node): Also do not localize
8617         LDPR_PREVAILING_DEF_IRONLY_EXP.
8618
8619 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8620
8621         PR lto/87957
8622         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8623         instead of type_with_linkage.
8624
8625 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8626
8627         PR ipa/88755
8628         * params.def (uninlined-function-insns, uninlined-function-time,
8629         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8630         bound so we don't get overflows.
8631
8632 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8633
8634         * config/rs6000/rs6000-string.c (expand_compare_loop,
8635         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8636         memcmp/strncmp.
8637
8638 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8639
8640         PR middle-end/89246
8641         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8642         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8643         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8644
8645 2019-02-09  Alan Modra  <amodra@gmail.com>
8646
8647         PR target/88343
8648         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8649         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8650         setup.
8651
8652 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8653
8654         PR middle-end/88560
8655         * lra-constraints.c (process_alt_operands): Don't increase reject
8656         for memory when offset memory is required.
8657
8658 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8659
8660         * config/s390/vector.md: Implement vector copysign.
8661
8662 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8663
8664         * expr.c (expand_constructor): Correct indentations.
8665
8666 2019-02-08  Richard Biener  <rguenther@suse.de>
8667
8668         PR tree-optimization/89247
8669         * tree-if-conv.c: Include tree-cfgcleanup.h.
8670         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8671         (tree_if_conversion): Pass through predicate vector.
8672         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8673         inline, see if any if-converted loops we refrece in
8674         LOOP_VECTORIZED calls vanished and fixup.
8675         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8676
8677 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8678
8679         * config/s390/constraints.md (jdd): New constraint.
8680
8681 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8682
8683         PR target/89229
8684         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8685         upper 16 vector registers without TARGET_AVX512VL.
8686         (*movti_internal): Likewise.
8687
8688 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8689
8690         PR rtl-optimization/89234
8691         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8692         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8693         (copy_reg_eh_region_note_backward): Likewise.
8694
8695 2019-02-08  Richard Biener  <rguenther@suse.de>
8696
8697         PR middle-end/89223
8698         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8699         doesn't fit in HWI.
8700         (analyze_subscript_affine_affine): Handle failure from
8701         initialize_matrix_A.
8702
8703 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8704
8705         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8706         cfun everywhere.
8707
8708 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8709
8710         PR tree-optimization/86637
8711         PR tree-optimization/89235
8712         * tree-vect-loop.c (optimize_mask_stores): Add an
8713         auto_purge_vect_location sentinel to ensure that vect_location is
8714         purged on exit.
8715         * tree-vectorizer.c
8716         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8717         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8718         to ensure that vect_location is purged on exit.
8719         (pass_slp_vectorize::execute): Likewise, replacing the manual
8720         reset.
8721         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8722
8723 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8724
8725         * config/aarch64/iterators.md (max_opp): New code_attr.
8726         (USMAX): New code iterator.
8727         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8728         (aarch64_smax): Likewise.
8729         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8730         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8731         MINUS (MAX MIN).
8732
8733 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8734
8735         PR target/89229
8736         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8737         for TARGET_AVX512VL.
8738         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8739
8740 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8741
8742         * config/s390/s390-builtin-types.def: Add new types.
8743         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8744         (s390_vec_xlw4): Make the memory operand into a const pointer.
8745         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8746         float.
8747         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8748         a new vector type with the alignment of the scalar memory operand.
8749
8750 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8751             Jakub Jelinek  <jakub@redhat.com>
8752
8753         PR bootstrap/88714
8754         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8755         arm_count_ldrdstrd_insns): New declarations.
8756         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8757         MINUS.
8758         (valid_operands_ldrd_strd): New function.
8759         (arm_count_ldrdstrd_insns): New function.
8760         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8761         sets instead of single DImode set and define new insns to match this.
8762
8763 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8764
8765         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8766         Make it a C initializer.
8767
8768 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8769
8770         PR/target 88850
8771         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8772
8773 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8774
8775         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8776         Use neon_dot<q> for type.
8777         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8778
8779 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8780
8781         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8782         Use neon_dot<q> for type.
8783         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8784         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8785
8786 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8787
8788         PR rtl-optimization/89225
8789         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8790         sizes check.
8791
8792 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8793
8794         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8795         after restoring registers saved to allocate the frame on Windows.
8796
8797 2019-02-06  Richard Biener  <rguenther@suse.de>
8798
8799         PR tree-optimization/89182
8800         * graphite.h (cached_scalar_evolution_in_region): Declare.
8801         * graphite.c (struct seir_cache_key): New.
8802         (struct sese_scev_hash): Likewise.
8803         (seir_cache): New global.
8804         (cached_scalar_evolution_in_region): New function.
8805         (graphite_transform_loops): Allocate and release seir_cache.
8806         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8807         cached_scalar_evolution_in_region.
8808         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8809         Simplify.
8810         (scop_detection::graphite_can_represent_expr: Use
8811         cached_scalar_evolution_in_region.
8812         (scop_detection::stmt_simple_for_scop_p): Likewise.
8813         (find_params_in_bb): Likewise.
8814         (gather_bbs::before_dom_children): Likewise.
8815         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8816         (add_loop_constraints): Likewise.
8817
8818 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8819
8820         PR middle-end/89210
8821         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8822         operand to new_unary_operation only if both element types are integral
8823         and it isn't a widening conversion.  Return NULL_TREE if
8824         new_unary_operation failed.
8825
8826 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8827
8828         PR target/88856
8829         * config/s390/s390.md: Remove load and test FP splitter.
8830
8831 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8832
8833         PR target/89112
8834         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8835         expand_compare_loop, expand_block_compare_gpr,
8836         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8837         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8838         #include "profile-count.h" and "predict.h" for types and functions
8839         needed to work with REG_BR_PROB notes.
8840
8841 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8842
8843         PR target/89112
8844         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8845         for the long branch case.
8846
8847 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8848
8849         PR target/89188
8850         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8851         can throw, non-call exceptions are enabled and we can't delete
8852         dead exceptions or alter cfg.  Set must_clean if
8853         delete_insn_and_edges returns true, don't set it blindly for calls.
8854         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8855
8856         PR rtl-optimization/89195
8857         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8858         of the original MEM.
8859
8860 2019-02-05  Martin Liska  <mliska@suse.cz>
8861
8862         PR gcov-profile/89000
8863         * gcov.c (function_summary): Remove argument.
8864         (file_summary): New function.
8865         (print_usage): Replace tabs with spaces.
8866         (generate_results): Use new function file_summary.
8867
8868 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8869
8870         PR target/89186
8871         * optabs.c (prepare_cmp_insn): Pass x and y to
8872         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8873
8874 2019-02-05  Richard Biener  <rguenther@suse.de>
8875
8876         PR middle-end/89150
8877         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8878         (struct bitmap_element): Drop chain_prev so we properly recurse on
8879         the prev member, supporting tree views.
8880         (struct bitmap_head): GTY skip the obstack member.
8881
8882 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8883
8884         PR c/88698
8885         * doc/extend.texi (Vector Extensions): Add an example of using vector
8886         types together with x86 intrinsics.
8887
8888 2019-02-04  Alan Modra  <amodra@gmail.com>
8889
8890         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8891         str[] size to 160, and comment.
8892
8893 2019-02-04  Alan Modra  <amodra@gmail.com>
8894
8895         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8896         (rs6000_pltseq_template): Guard output of TLS markers with
8897         TARGET_TLS_MARKERS.
8898         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8899         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8900         to use inline PLT sequences.
8901         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8902         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8903         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8904
8905 2019-02-04  Martin Liska  <mliska@suse.cz>
8906
8907         PR ipa/88985
8908         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8909         out when ipa_fn_summaries does not contain entry for callee.
8910
8911 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8912
8913         * config/sparc/sparc.h: Remove superfluous blank lines.
8914         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8915         (got_register_rtx): ...this.
8916         (sparc_got): Adjust to above renaming.
8917         (sparc_tls_got): Likewise.
8918         (sparc_delegitimize_address): Likewise.
8919         (sparc_output_mi_thunk): Likewise.
8920         (sparc_init_pic_reg): Likewise.
8921         (save_local_or_in_reg_p): Fix test on the GOT register.
8922         (USE_HIDDEN_LINKONCE): Move around.
8923         (get_pc_thunk_name): Likewise.
8924         (gen_load_pcrel_sym): Likewise.
8925         (load_got_register): Likewise.
8926
8927 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8928
8929         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8930         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8931
8932 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8933
8934         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8935         into consideration.
8936
8937 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8938
8939         * config.gcc (with_nds32_lib, glibc):
8940         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8941         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8942         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8943
8944 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8945
8946         PR target/89071
8947         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8948         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8949         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8950         (*rcpsf2_sse): Ditto.
8951         (*rsqrtsf2_sse): Ditto.
8952         (sse4_1_round<mode<2): Ditto.
8953
8954 2019-02-03  Richard Biener  <rguenther@suse.de>
8955
8956         PR debug/87295
8957         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8958         orig.
8959
8960 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8961
8962         PR middle-end/87887
8963         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8964         Punt with warning on aggregate return or argument types.  Ignore
8965         type/mode checking for uniform arguments.
8966
8967 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8968
8969         * combine.c (try_combine): Do not print "Can't combine" messages unless
8970         printing failed combination attempts.
8971
8972 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8973
8974         PR hsa/87863
8975         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8976         segment and global segment variables before making them static.
8977
8978 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8979
8980         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8981         missed optimization dump with dump_enabled_p.
8982
8983 2019-02-01  Richard Biener  <rguenther@suse.de>
8984
8985         PR middle-end/88597
8986         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8987         the instantiate cache.
8988         (instantiate_scev_binary): Elide second operand procesing
8989         if equal to the first.
8990         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8991         (chrec_contains_undetermined): Likewise.
8992         (tree_contains_chrecs): Likewise.
8993
8994 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8995
8996         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8997
8998 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8999
9000         PR tree-optimization/89143
9001         * wide-int-range.h (wide_int_range_absu): Declare.
9002         * wide-int-range.cc (wide_int_range_absu): New function.
9003         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
9004
9005         PR tree-optimization/88107
9006         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
9007         instead of assertion that eh_region_outermost is non-NULL, if it
9008         is NULL, set *ALL to true and return NULL.
9009         (move_sese_region_to_fn): Adjust caller, if all is set, call
9010         duplicate_eh_regions with NULL region.
9011
9012 2019-02-01  Richard Biener  <rguenth@suse.de>
9013
9014         PR rtl-optimization/88593
9015         * mode-switching.c (optimize_mode_switching): Free dominators before
9016         calling cleanup_cfg.
9017
9018 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
9019
9020         PR tree-optimization/88932
9021         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
9022
9023 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9024
9025         PR middle-end/89137
9026         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
9027         bogus clang warning.
9028
9029 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
9030
9031         PR target/89071
9032         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
9033         alternative to avoid partial SSE register stall for TARGET_AVX.
9034         (truncdfsf2): Ditto.
9035         (sse4_1_round<mode>2): Ditto.
9036
9037 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
9038
9039         PR tree-optimization/89008
9040         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
9041         process anything of the form X * 0.
9042
9043 2019-01-31  Richard Biener  <rguenther@suse.de>
9044
9045         PR tree-optimization/89135
9046         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
9047         with abnormal preds.
9048
9049 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9050
9051         PR sanitizer/89124
9052         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
9053         always_inline callees into no_sanitize_address callers.
9054
9055 2019-01-31  Richard Biener  <rguenther@suse.de>
9056
9057         PR rtl-optimization/89115
9058         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
9059
9060 2019-01-30  Martin Sebor  <msebor@redhat.com>
9061
9062         PR other/89106
9063         * doc/extend.texi (cast to a union): Correct and expand.
9064
9065 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
9066
9067         PR rtl-optimization/87246
9068         * lra-constraints.c (simplify_operand_subreg): Reload memory
9069         in subreg if the address became invalid.
9070
9071 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
9072
9073         PR target/87064
9074         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
9075         Disable for little-endian.
9076
9077 2019-01-30  Richard Biener  <rguenther@suse.de>
9078
9079         PR rtl-optimization/89115
9080         * opts.c (default_options_optimization): Reduce
9081         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
9082         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
9083         to the default.
9084
9085 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9086
9087         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
9088         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
9089         type of vector element when vec_extract is implemented by direct
9090         move.
9091
9092 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
9093
9094         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
9095
9096 2019-01-30  Richard Biener  <rguenther@suse.de>
9097
9098         PR tree-optimization/89111
9099         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
9100         canonicalization to appropriately sized access types.
9101
9102 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
9103
9104         PR c++/89105
9105         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
9106         for arguments to functions that are TU-local and shouldn't be
9107         referenced by assembly.
9108
9109 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
9110
9111         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
9112         after '='.
9113
9114 2019-01-29  Martin Sebor  <msebor@redhat.com>
9115
9116         PR c/88956
9117         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
9118
9119 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
9120
9121         PR c++/66676
9122         PR ipa/89104
9123         * omp-simd-clone.c (simd_clone_clauses_extract)
9124         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
9125         OMP_CLAUSE_ALIGNED_ALIGNMENT.
9126
9127 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
9128
9129         * config.gcc: Force .init_array for ARC.
9130
9131 2019-01-29  Richard Biener  <rguenther@suse.de>
9132
9133         PR debug/87295
9134         * dwarf2out.c (collect_skeleton_dies): New helper.
9135         (copy_decls_for_unworthy_types): Call it.
9136         (build_abbrev_table): Assert we do not try to replace
9137         DW_AT_signature refs with local refs.
9138
9139 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9140
9141         PR middle-end/89002
9142         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
9143         for lastprivate/linear IV, push gimplify context around gimplify_assign
9144         and, if it needed any temporaries, pop it into a gimple bind around the
9145         sequence.
9146
9147 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9148
9149         * common.opt (-Wattribute-alias): Remove "no-" from name.
9150         Make -Wattribute-alias command line option and
9151         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
9152
9153 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9154
9155         PR target/89073
9156         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
9157         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
9158         x86 ISA options.
9159         (bmi2): Add missing @opindex.
9160         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
9161         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
9162         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
9163         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
9164         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
9165         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
9166         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
9167         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
9168         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
9169         xsavec, xsaveopt and xsaves options.
9170
9171 2019-01-28  Richard Biener  <rguenther@suse.de>
9172
9173         PR debug/89076
9174         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
9175         support removal.
9176
9177 2019-01-28  Richard Biener  <rguenther@suse.de>
9178
9179         PR tree-optimization/88739
9180         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9181         BIT_FIELD_REFs only are applied to mode-precision operands
9182         when they are integral.
9183         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
9184         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
9185         BIT_FIELD_REFs of non-mode-precision integral operands.
9186
9187 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
9188
9189         PR target/87214
9190         * config/i386/sse.md
9191         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9192         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9193         first constants in pairs are multiples of 2.  Formatting fixes.
9194         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9195         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9196         first constants in each quadruple are multiples of 4.  Formatting fixes.
9197
9198 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9199
9200         PR ipa/88933
9201         * tree-inline.c: Include tree-cfgcleanup.h.
9202         (delete_unreachable_blocks_update_callgraph): Move...
9203         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9204         ...here, make externally visible, make second argument bool, adjust
9205         all callers.
9206         * tree-cfgcleanup.c: Include cgraph.h.
9207         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9208         Declare.
9209         * ipa-prop.c: Include tree-cfgcleanup.h.
9210         (ipcp_transform_function): Call
9211         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9212
9213 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9214
9215         PR rtl-optimization/88846
9216         * ira.c (process_set_for_memref_referenced_p): New.
9217         (memref_referenced_p): Add new param.  Use
9218         process_set_for_memref_referenced_p.  Add new switch cases.
9219         (memref_used_between_p): Pass new arg to memref_referenced_p.
9220
9221 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9222
9223         PR target/88469
9224         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9225         argument ABI_BREAK.  Set to true if the calculated alignment has
9226         changed in gcc-9.  Check bit-fields for their base type alignment.
9227         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9228         (aarch64_function_arg_boundary): Likewise.
9229         (aarch64_gimplify_va_arg_expr): Likewise.
9230
9231 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9232
9233         PR middle-end/89037
9234         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9235         instead of accessing TREE_INT_CST_ELT directly.
9236
9237 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9238
9239         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9240         fenv_exceptions description.
9241
9242 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9243
9244         PR rtl-optimization/87763
9245         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9246         Allow SUBREG when matching CC_NZmode compare.
9247
9248 2019-01-25  Richard Biener  <rguenther@suse.de>
9249
9250         PR tree-optimization/89049
9251         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9252         Look at the pattern stmt to determine if the stmt is vectorized.
9253
9254 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9255
9256         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9257         (pred_mov<mode>): Handle all-register forms using both a new
9258         alternative and a split.
9259
9260 2019-01-25  Richard Biener  <rguenther@suse.de>
9261
9262         PR tree-optimization/86865
9263         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9264         Reject non-do-while loops.
9265
9266 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9267
9268         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9269         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9270         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9271         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9272         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9273         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9274         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9275         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9276         vlogical_operand, gpc_reg_operand, int_reg_operand,
9277         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9278         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9279         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9280         (save_world_operation, restore_world_operation, lmw_operation,
9281         stmw_operation): Use MEM_P and REG_P.
9282         (tie_operand): Use MEM_P.
9283         (vrsave_operation, crsave_operation): Use REG_P.
9284         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9285         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9286         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9287         (call_operand): Use HARD_REGISTER_P.
9288         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9289         Use CONST_INT_P.
9290         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9291         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9292         quad_aligned_load_p, replace_swapped_aligned_store,
9293         recombine_lvx_pattern, replace_swapped_aligned_load,
9294         recombine_stvx_pattern): Use MEM_P.
9295         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9296         Use MEM_P and SYMBOL_REF_P.
9297         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9298         (insn_is_swappable_p): Use REG_P and MEM_P.
9299         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9300         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9301         Use CONST_INT_P.
9302         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9303         Use CONST_DOUBLE_P.
9304         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9305         CONST_WIDE_INT_P.
9306         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9307         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9308         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9309         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9310         reg_or_subregno:
9311         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9312         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9313         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9314         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9315         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9316         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9317         rs6000_split_logical_di): Use CONST_INT_P.
9318         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9319         REG_P and SYMBOL_REF_P.
9320         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9321         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9322         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9323         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9324         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9325         (small_data_operand, print_operand_address): Use CONST_INT_P and
9326         SYMBOL_REF_P.
9327         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9328         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9329         Use HARD_REGISTER_NUM_P.
9330         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9331         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9332         SUBREG_P and SYMBOL_REF_P.
9333         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9334         and HARD_REGISTER_NUM_P.
9335         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9336         reg_or_subregno.
9337         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9338         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9339         MEM_P and REG_P.
9340         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9341         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9342         find_addr_reg): Use REG_P.
9343         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9344         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9345         (offsettable_ok_by_alignment, constant_pool_expr_p,
9346         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9347         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9348         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9349         rs6000_assemble_integer, create_TOC_reference,
9350         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9351         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9352         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9353         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9354         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9355         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9356         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9357         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9358         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9359         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9360         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9361         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9362         and cbranch<mode>4): Use CONST_INT_P.
9363         (multiple define_splits): Use REG_P and SUBREG_P.
9364         (define_expands call, call_value): Use MEM_P.
9365         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9366         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9367         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9368         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9369         and HARD_REGISTER_NUM_P.
9370         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9371
9372 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9373
9374         PR rtl-optimization/88948
9375         * rtl.h (prepare_copy_insn): New prototype.
9376         * gcse.c (prepare_copy_insn): New function, split out from
9377         process_insert_insn.
9378         (process_insert_insn): Use prepare_copy_insn.
9379         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9380         instead of gen_move_insn.
9381
9382 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9383
9384         PR debug/89006
9385         * config/i386/i386.c (ix86_pic_register_p): Return true for
9386         UNSPEC_SET_GOT too.
9387
9388         PR tree-optimization/88964
9389         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9390         punt if HONOR_SNANS (chrec).
9391
9392         PR middle-end/89015
9393         * tree-nested.c (convert_nonlocal_reference_stmt,
9394         convert_local_reference_stmt, convert_tramp_reference_stmt,
9395         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9396         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9397         or GIMPLE_OMP_TASK.
9398
9399         PR tree-optimization/89027
9400         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9401         for "omp simd array" variables.
9402
9403 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9404
9405         PR target/88469
9406         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9407         force the alignment of m_val.
9408
9409 2019-01-24  Richard Biener  <rguenther@suse.de>
9410
9411         PR lto/87187
9412         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9413         When in "legacy" debug mode make sure to reset self-origins.
9414
9415 2019-01-24  Martin Liska  <mliska@suse.cz>
9416
9417         PR gcov-profile/88994
9418         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9419         result will be always smaller or equal to the original.
9420         * gcov.c (mangle_name): Fix else branch where we should
9421         also copy to PTR and shift the pointer.
9422
9423 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9424
9425         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9426         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9427
9428 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9429
9430         * common/config/i386/i386-common.c
9431         (OPTION_MASK_ISA_ENQCMD_SET,
9432         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9433         (ix86_handle_option): Handle -menqcmd.
9434         * config.gcc (enqcmdintrin.h): New header file.
9435         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9436         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9437         -menqcmd.
9438         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9439         function type.
9440         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9441         __builtin_ia32_enqcmds): New builtins.
9442         * config/i386/i386-c.c (__ENQCMD__): New macro.
9443         * config/i386/i386-option.c (ix86_target_string): Add
9444         -menqcmd.
9445         (ix86_valid_target_attribute_inner_p): Likewise.
9446         * config/i386/i386-expand.c
9447         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9448         IX86_BUILTIN_ENQCMDS.
9449         * config/i386/i386.h (TARGET_ENQCMD): New.
9450         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9451         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9452         (movdir64b_<mode>): Parameterize to enable share expansion code
9453         with ENQCMD in function ix86_expand_builtin.
9454         * config/i386/i386.opt: Add -menqcmd.
9455         * config/i386/immintrin.h: Include enqcmdintrin.h.
9456         * config/i386/enqcmdintrin.h: New intrinsic file.
9457         * doc/invoke.texi: Add -menqcmd.
9458
9459 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9460             Steve Ellcey <sellcey@marvell.com>
9461
9462         PR target/85711
9463         * recog.c (address_operand): Return false on wrong mode for address.
9464         (constrain_operands): Check for mode with 'p' constraint.
9465
9466 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9467
9468         PR target/88998
9469         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9470         Disparage MMX alternative.
9471         (sse2_cvtpd2pi): Ditto.
9472         (sse2_cvttpd2pi): Ditto.
9473
9474 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9475
9476         PR driver/89014
9477         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9478         use-after-free of the result of
9479         aarch64_get_extension_string_for_isa_flags.
9480
9481 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9482
9483         PR c/44715
9484         * doc/extend.texi: Document break and continue behavior in
9485         statement expressions.
9486
9487 2019-01-23  Richard Biener  <rguenther@suse.de>
9488
9489         PR tree-optimization/89008
9490         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9491         not leave another stray operand.
9492
9493 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9494
9495         * BASE-VER: Bump to 9.0.1.
9496
9497 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9498
9499         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9500         thunk that returns by reference, use the type of the return object
9501         of the thunk instead of that of the alias to build the dereference.
9502
9503 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9504
9505         * config/arc/atomic.md: Add operand to DMB instruction.
9506
9507 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9508
9509         PR tree-optimization/88964
9510         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9511         build_zero_cst instead of build_int_cst.  Return false for loop
9512         invariants which honor signed zeros.
9513
9514 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9515
9516         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9517
9518 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9519
9520         PR target/88965
9521         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9522         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9523         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9524
9525         PR middle-end/88968
9526         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9527         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9528
9529         PR target/87064
9530         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9531         Disable for little endian.
9532
9533 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9534
9535         PR target/88469
9536         * config/arm/arm.c (arm_needs_double_word_align): Check
9537         DECL_BIT_FIELD_TYPE.
9538
9539 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9540             H.J. Lu  <hongjiu.lu@intel.com>
9541
9542         PR target/88909
9543         * config/i386/i386-builtin.def: Add mask2 to all builtin
9544         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9545         SPECIAL_ARGS.
9546         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9547         (BDESC_FIRST): Likewise.
9548         (define_builtin): Add an argument for mask2.  Updated to handle
9549         both ix86_isa_flags and ix86_isa_flags2.
9550         (define_builtin_const): Likewise.
9551         (define_builtin_pure): Likewise.
9552         (define_builtin2): Deleted.
9553         (define_builtin_const2): Likewise.
9554         (builtin_description): Add a member, mask2.
9555         (bdesc_*): Add mask2 to builtin initializations.
9556         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9557         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9558         support.
9559         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9560
9561 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9562
9563         PR target/88954
9564         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9565         noplt attribute.
9566
9567 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9568
9569         PR target/88469
9570         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9571         alignment is dominated by a bitfield with 64-bit aligned base type.
9572         (arm_function_arg): Emit a warning if the alignment has changed since
9573         earlier GCC releases.
9574         (arm_function_arg_boundary): Likewise.
9575         (arm_setup_incoming_varargs): Likewise.
9576
9577 2019-01-22  Richard Biener  <rguenther@suse.de>
9578
9579         PR tree-optimization/88862
9580         * graphite-scop-detection.c
9581         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9582
9583 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9584
9585         * doc/extend.tex (AMD GCN Function Attributes): New section.
9586         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9587         * doc/invoke.texi (AMD GCN Options): New section.
9588         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9589
9590 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9591
9592         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9593         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9594
9595 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9596
9597         PR tree-optimization/88044
9598         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9599         is false in the first iteration, but !every_iteration, return false
9600         instead of true with niter->niter zero.
9601
9602         PR rtl-optimization/88904
9603         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9604         any nonequal registers before processing BB_END (b).
9605
9606         PR target/88905
9607         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9608         GET_MODE (op0).
9609         (expand_binop_directly, expand_doubleword_clz,
9610         expand_doubleword_popcount, expand_ctz, expand_ffs,
9611         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9612
9613         PR rtl-optimization/49429
9614         PR target/49454
9615         PR rtl-optimization/86334
9616         PR target/88906
9617         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9618         addressable from here...
9619         (emit_block_op_via_libcall): ... to here.
9620
9621 2019-01-22  Richard Biener  <rguenther@suse.de>
9622
9623         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9624         auto_vec for cost vector to fix memleak.
9625         (vectorize_fold_left_reduction): Properly gather SLP defs.
9626         (vectorizable_comparison): Do not swap operands to properly
9627         gather SLP defs.
9628
9629 2019-01-22  Alan Modra  <amodra@gmail.com>
9630
9631         PR target/88614
9632         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9633         stays a reg.  Allow a const_int.
9634         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9635         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9636         (IS_NOMARK_TLSGETADDR): Define.
9637         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9638         (rs6000_output_tlsargs): New function.
9639         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9640         __tls_get_addr call takes an arg.
9641         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9642         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9643         delete split..
9644         (call_value_nonlocal_sysv): ..or here, delete split.
9645         (tls_gdld_nomark): Delete.
9646         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9647         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9648         (call_value_nonlocal_sysv): Likewise.
9649         (call_value_nonlocal_sysv_secure): Likewise.
9650         (call_value_nonlocal_aix): Likewise.
9651         (call_value_indirect_aix): Likewise.
9652         (call_value_indirect_elfv2): Likewise.
9653         (call_value_local32, call_value_local64): Disable for no-mark tls.
9654         (call_value_local_aix): Likewise.
9655
9656 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9657
9658         PR target/88938
9659         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9660         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9661
9662 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9663
9664         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9665         string contents as hash_map keys.
9666
9667 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9668
9669         PR c/88928
9670         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9671         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9672         instead of TYPE_ALIGN.
9673         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9674         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9675         pointer from TYPE_STUB_DECL.
9676
9677 2019-01-21  Richard Biener  <rguenther@suse.de>
9678
9679         PR tree-optimization/88934
9680         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9681         at the possibly non-constant operand.
9682         (vect_get_constant_vectors): Adjust.
9683
9684 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9685
9686         PR target/71659
9687         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9688         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9689         instead of _X86INTRIN_H_INCLUDED.
9690         * onfig/i386/clwbintrin.h: Likewise.
9691         * config/i386/pkuintrin.h: Likewise.
9692         * config/i386/prfchwintrin.h: Likewise.
9693         * config/i386/rdseedintrin.h: Likewise.
9694         * config/i386/wbnoinvdintrin.h: Likewise.
9695         * config/i386/xsavecintrin.h: Likewise.
9696         * config/i386/xsavesintrin.h: Likewise.
9697         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9698         * config/i386/xsaveintrin.h: Likewise.
9699         * config/i386/xsaveoptintrin.h: Likewise.
9700         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9701         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9702         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9703         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9704         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9705         * config/i386/immintrin.h: Here.
9706
9707 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9708
9709         PR ipa/87615
9710         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9711         with aa_walk_budget.
9712         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9713         aa_walk_budget_p parameter.
9714         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9715         walk.  Updated all callers.
9716         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9717         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9718         unmodified_parm.
9719         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9720         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9721         and to unmodified_parm.
9722         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9723         info, updated call to will_be_nonconstant_expr_predicate.
9724         (param_change_prob): New parameter fbi, limit AA walking.
9725         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9726         calls to various above functions.
9727         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9728         parameter.  Use it to limit AA walking.
9729         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9730         fbi, limit AA walk.
9731         (detect_type_change): New parameter fbi, pass it on to
9732         detect_type_change_from_memory_writes.
9733         (detect_type_change_ssa): Likewise.
9734         (aa_overwalked): Removed.
9735         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9736         accordingly, adjust to the neew AA limiting scheme.
9737         (parm_ref_data_preserved_p): Likewise.
9738         (ipa_compute_jump_functions_for_edge): Adjust call to
9739         get_dynamic_type.
9740         (ipa_analyze_call_uses): Likewise.
9741         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9742         (ipa_analyze_node): Initialize aa_walk_budget.
9743         (ipcp_transform_function): Likewise.
9744         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9745         to get_dynamic_type.
9746
9747 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9748
9749         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9750         outside of #if CHECKING_P code.
9751
9752 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9753
9754         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9755         New function, split out from...
9756         (loop_versioning::analyze_stride): ...here.
9757         (loop_versioning::find_per_loop_multiplication): Use gassign.
9758         (loop_versioning::analyze_term_using_scevs): Return a success code.
9759         (loop_versioning::analyze_arbitrary_term): New function.
9760         (loop_versioning::analyze_address_fragment): Use
9761         analyze_arbitrary_term if all else fails.
9762
9763 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9764
9765         PR target/88892
9766         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9767         operands.
9768
9769 2019-01-18  Richard Biener  <rguenther@suse.de>
9770
9771         PR tree-optimization/88903
9772         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9773         scalar stmts a SLP shift amount is composed of when detecting
9774         shifts by scalars.
9775
9776 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9777
9778         PR target/88799
9779         * config/arm/arm-cpus.in (mp): New feature.
9780         (sec): New feature.
9781         (fgroup ARMv7ve): Add mp and sec features.
9782         (arch armv7-a): Add options to allow mp and sec extensions.
9783         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9784         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9785         extenstions to the base architecture.
9786         (cpu cortex-a8): Add sec extension to the base architecture.
9787         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9788         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9789         variants down to the base v7-a varaint.
9790         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9791         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9792         of permitted extensions for -march=armv7-a and for
9793         -mcpu=generic-armv7-a.
9794
9795 2019-01-18  Martin Liska  <mliska@suse.cz>
9796
9797         * params.def: Fix comment.
9798         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9799         name.
9800         (gimple_gen_ic_func_profiler): Likewise.
9801
9802 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9803
9804         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9805         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9806         and put in error checks for stack protector guard options.
9807         (aarch64_stack_protect_guard): New.
9808         (TARGET_STACK_PROTECT_GUARD): Define.
9809         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9810         (reg_stack_protect_address<mode>): New.
9811         (stack_protect_set): Adjust for SSP_GLOBAL.
9812         (stack_protect_test): Likewise.
9813         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9814         (-mstack-protector-guard): Likewise.
9815         (-mstack-protector-guard-offset): Likewise.
9816
9817 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9818
9819         PR tree-optimization/86214
9820         * tree-inline.h (struct copy_body_data): Add
9821         add_clobbers_to_eh_landing_pads member.
9822         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9823         (copy_edges_for_bb): Call it if EH edge destination is <
9824         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9825         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9826         if flag_stack_reuse != SR_NONE and clear it afterwards.
9827
9828 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9829
9830         PR target/85596
9831         * doc/install.texi (with-multilib-list): Document for aarch64.
9832
9833 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9834
9835         PR target/88734
9836         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9837         (("..."))) with ("...").
9838
9839 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9840
9841         * doc/extend.texi (Built-in Functions for Memory Model Aware
9842         Atomic Operations): Document atomic fetch and nand.
9843
9844 2019-01-18  Martin Liska  <mliska@suse.cz>
9845             Richard Biener  <rguenther@suse.de>
9846
9847         PR middle-end/88587
9848         * cgraph.h (create_version_clone_with_body): Add new argument
9849         with attributes.
9850         * cgraphclones.c (cgraph_node::create_version_clone): Add
9851         DECL_ATTRIBUTES to a newly created decl.  And call
9852         valid_attribute_p so that proper cl_target_optimization_node
9853         is set for the newly created declaration.
9854         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9855         for declaration.
9856         (expand_target_clones): Do not call valid_attribute_p, it must
9857         be already done.
9858         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9859         vector types.
9860
9861 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9862
9863         PR target/88734
9864         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9865         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9866         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9867
9868 2019-01-17  Martin Sebor  <msebor@redhat.com>
9869
9870         PR middle-end/88273
9871         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9872         Handle anti-ranges the same as no range at all.
9873
9874 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9875
9876         * config/aarch64/aarch64.c (cgraph.h): New include.
9877         (intl.h): New include.
9878         (supported_simd_type): New function.
9879         (currently_supported_simd_type): Ditto.
9880         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9881         (aarch64_simd_clone_adjust): Ditto.
9882         (aarch64_simd_clone_usable): Ditto.
9883         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9884         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9885         (TARGET_SIMD_CLONE_USABLE): Ditto.
9886         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9887         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9888         call.
9889
9890 2019-01-17  Martin Sebor  <msebor@redhat.com>
9891
9892         PR tree-optimization/88800
9893         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9894         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9895         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9896         redundant argument.  Add new argument and issue diagnostics under
9897         its control.  Detect out-of-bounds access even with warnings
9898         disabled.
9899         (check_bounds_or_overlap): Change return type.  Add argument.
9900         (wrestrict_dom_walker::check_call): Adjust.
9901         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9902         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9903         check_bounds_or_overlap's return value.
9904         (handle_builtin_stxncpy): Same.
9905         (handle_builtin_strcat): Same.
9906
9907 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9908             Kwok Cheung Yeung  <kcy@codesourcery.com>
9909             Julian Brown  <julian@codesourcery.com>
9910             Tom de Vries  <tom@codesourcery.com>
9911
9912         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9913
9914 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9915
9916         * doc/sourcebuild.texi: Document dg-require-effective-target
9917         llvm_binutils and offload_gcn.
9918
9919 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9920             Kwok Cheung Yeung  <kcy@codesourcery.com>
9921             Julian Brown  <julian@codesourcery.com>
9922             Tom de Vries  <tom@codesourcery.com>
9923
9924         * doc/sourcebuild.texi: Document dg-required-effective-target
9925         exceptions.
9926
9927 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9928             Kwok Cheung Yeung  <kcy@codesourcery.com>
9929             Julian Brown  <julian@codesourcery.com>
9930             Tom de Vries  <tom@codesourcery.com>
9931             Jan Hubicka  <hubicka@ucw.cz>
9932             Martin Jambor  <mjambor@suse.cz>
9933
9934         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9935         * configure.ac: Check for dlopen.
9936         * configure: Regenerate.
9937
9938 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9939             Kwok Cheung Yeung  <kcy@codesourcery.com>
9940             Julian Brown  <julian@codesourcery.com>
9941             Tom de Vries  <tom@codesourcery.com>
9942             Jan Hubicka  <hubicka@ucw.cz>
9943             Martin Jambor  <mjambor@suse.cz>
9944
9945         * common/config/gcn/gcn-common.c: New file.
9946         * config/gcn/driver-gcn.c: New file.
9947         * config/gcn/gcn-builtins.def: New file.
9948         * config/gcn/gcn-hsa.h: New file.
9949         * config/gcn/gcn-modes.def: New file.
9950         * config/gcn/gcn-opts.h: New file.
9951         * config/gcn/gcn-passes.def: New file.
9952         * config/gcn/gcn-protos.h: New file.
9953         * config/gcn/gcn-run.c: New file.
9954         * config/gcn/gcn-tree.c: New file.
9955         * config/gcn/gcn.c: New file.
9956         * config/gcn/gcn.h: New file.
9957         * config/gcn/gcn.opt: New file.
9958         * config/gcn/t-gcn-hsa: New file.
9959
9960 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9961             Kwok Cheung Yeung  <kcy@codesourcery.com>
9962             Julian Brown  <julian@codesourcery.com>
9963             Tom de Vries  <tom@codesourcery.com>
9964             Jan Hubicka  <hubicka@ucw.cz>
9965             Martin Jambor  <mjambor@suse.cz>
9966
9967         * config/gcn/constraints.md: New file.
9968         * config/gcn/gcn-valu.md: New file.
9969         * config/gcn/gcn.md: New file.
9970         * config/gcn/predicates.md: New file.
9971
9972 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9973
9974         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9975         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9976         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9977         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9978
9979 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9980
9981         PR target/88851
9982         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9983         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9984         it and document registers.
9985
9986 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9987
9988         * config/aarch64/aarch64.c (ares_tunings): Define.
9989         * config/aarch64/aarch64-cores.def (ares): Use the above.
9990
9991 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9992
9993         PR target/88794
9994         Revert:
9995         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9996
9997         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9998         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9999         (_mm512_maskz_fixupimm_round_pd): Ditto.
10000         (_mm512_fixupimm_round_ps): Ditto.
10001         (_mm512_maskz_fixupimm_round_ps): Ditto.
10002         (_mm_fixupimm_round_sd): Ditto.
10003         (_mm_maskz_fixupimm_round_sd): Ditto.
10004         (_mm_fixupimm_round_ss): Ditto.
10005         (_mm_maskz_fixupimm_round_ss): Ditto.
10006         (_mm512_fixupimm_pd): Ditto.
10007         (_mm512_maskz_fixupimm_pd): Ditto.
10008         (_mm512_fixupimm_ps): Ditto.
10009         (_mm512_maskz_fixupimm_ps): Ditto.
10010         (_mm_fixupimm_sd): Ditto.
10011         (_mm_maskz_fixupimm_sd): Ditto.
10012         (_mm_fixupimm_ss): Ditto.
10013         (_mm_maskz_fixupimm_ss): Ditto.
10014         (_mm512_mask_fixupimm_round_pd): Update builtin.
10015         (_mm512_mask_fixupimm_round_ps): Ditto.
10016         (_mm_mask_fixupimm_round_sd): Ditto.
10017         (_mm_mask_fixupimm_round_ss): Ditto.
10018         (_mm512_mask_fixupimm_pd): Ditto.
10019         (_mm512_mask_fixupimm_ps): Ditto.
10020         (_mm_mask_fixupimm_sd): Ditto.
10021         (_mm_mask_fixupimm_ss): Ditto.
10022         * config/i386/avx512vlintrin.h:
10023         (_mm256_fixupimm_pd): Update parameters and builtin.
10024         (_mm256_maskz_fixupimm_pd): Ditto.
10025         (_mm256_fixupimm_ps): Ditto.
10026         (_mm256_maskz_fixupimm_ps): Ditto.
10027         (_mm_fixupimm_pd): Ditto.
10028         (_mm_maskz_fixupimm_pd): Ditto.
10029         (_mm_fixupimm_ps): Ditto.
10030         (_mm_maskz_fixupimm_ps): Ditto.
10031         (_mm256_mask_fixupimm_pd): Update builtin.
10032         (_mm256_mask_fixupimm_ps): Ditto.
10033         (_mm_mask_fixupimm_pd): Ditto.
10034         (_mm_mask_fixupimm_ps): Ditto.
10035         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
10036         * config/i386/i386-builtin.def: Update builtin definitions.
10037         * config/i386/i386.c: Handle new builtin types and remove useless ones.
10038         * config/i386/sse.md: Update VFIXUPIMM* patterns.
10039         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10040         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10041         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
10042         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10043         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10044         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
10045         * config/i386/subst.md:
10046         (round_saeonly_sd_mask_operand4): Add new subst_attr.
10047         (round_saeonly_sd_mask_op4): Ditto.
10048         (round_saeonly_expand_operand5): Ditto.
10049         (round_saeonly_expand): Update.
10050
10051 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10052
10053         PR target/88794
10054         Revert:
10055         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
10056
10057         * config/i386/sse.md: Combine VFIXUPIMM* patterns
10058         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10059         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10060         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
10061         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10062         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10063         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
10064
10065 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10066
10067         PR target/88794
10068         Revert:
10069         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
10070
10071         PR target/88489
10072         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
10073         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
10074         instead of UNSPEC_FIXUPIMM.
10075
10076 2019-01-17  Richard Biener  <rguenther@suse.de>
10077
10078         PR lto/86736
10079         * dwarf2out.c (want_pubnames): Never generate pubnames sections
10080         and friends for the LTO part of debug info.
10081
10082 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10083
10084         PR tree-optimization/86214
10085         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
10086         if x == y.
10087
10088         PR rtl-optimization/88870
10089         * dce.c (deletable_insn_p): Never delete const/pure calls that can
10090         throw if we can't alter the cfg or delete dead exceptions.
10091         (mark_insn): Don't call find_call_stack_args for such calls.
10092
10093 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
10094
10095         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
10096         prototypes for vec_st.
10097         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
10098         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
10099         mainly on signed/unsigned long long and double.
10100
10101 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
10102
10103         PR target/88861
10104         * combine.c (delete_noop_moves): Convert to "bool" return,
10105         returning true if any edges are eliminated.
10106         (combine_instructions): Also return true if delete_noop_moves
10107         returns true.
10108
10109 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10110
10111         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
10112         correct max nunits for endian swap.
10113         (aarch64_expand_fcmla_builtin): Correct subreg code.
10114         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10115         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
10116         lane endianness.
10117
10118 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
10119
10120         * config/alpha/alpha.c (alpha_gimplify_va_arg):
10121         Handle split indirect COMPLEX_TYPE arguments.
10122
10123 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
10124
10125         PR target/86891
10126         * config/aarch64/aarch64-modes.def: Add comment about how the carry
10127         bit is set by add and compare.
10128         (CC_ADC): New CC_MODE.
10129         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
10130         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
10131         comparison.  Add detection for CC_ADCmode.
10132         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
10133         CC_ADCmode.
10134         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
10135         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
10136         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
10137         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
10138         to eliminate the need for zero-extending the operands.
10139         (add<mode>3_compareC_imm): Delete.  Merge into ...
10140         (add<mode>3_compareC): ... this.  Restructure the comparison to
10141         eliminate the need for zero-extending the operands.
10142         (add<mode>3_carryin): Use LTU for the overflow detection.
10143         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
10144         Reexpress comparison for overflow.
10145         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
10146         (add<mode>3_carryinC): Likewise.
10147         (add<mode>3_carryinV): Use LTU for carry between partials.
10148         * config/aarch64/predicates.md (aarch64_carry_operation): Update
10149         handling of CC_Cmode and add CC_ADCmode.
10150         (aarch64_borrow_operation): Likewise.
10151
10152 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10153
10154         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
10155         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
10156         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
10157         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
10158
10159 2019-01-16  Martin Liska  <mliska@suse.cz>
10160
10161         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
10162         for GCC driver.
10163         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
10164         a new argument.
10165         * gcc.c (add_sysrooted_hdrs_prefix): New function.
10166         (path_prefix_reset): Move up in the source file.
10167         (find_fortran_preinclude_file): Make complex search for the
10168         fortran header files.
10169
10170 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
10171
10172         * godump.c (go_output_typedef): When outputting a typedef, refer
10173         to the underlying type by its name and not its structure.
10174
10175 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
10176
10177         PR c++/88795
10178         * tree.c (build_function_type): Assert that arg_types is not
10179         error_mark_node.
10180
10181 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10182
10183         PR inline-asm/52813
10184         * doc/extend.texi: Document that listing the stack pointer in the
10185         clobber list of an asm is a deprecated feature.
10186         * common.opt (Wdeprecated): Moved from c-family/c.opt.
10187         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
10188         warning instead of an error for clobbers of the stack pointer.
10189         Add a note explaining why.
10190
10191 2019-01-15  Richard Biener  <rguenther@suse.de>
10192
10193         PR debug/88046
10194         * dwarf2out.c (gen_member_die): Do not generate inheritance
10195         DIEs late.
10196
10197 2019-01-15  Richard Biener  <rguenther@suse.de>
10198
10199         PR tree-optimization/88855
10200         * tree-if-conv.c (combine_blocks): Collect
10201         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10202
10203 2019-01-15  Tom de Vries  <tdevries@suse.de>
10204
10205         PR target/80547
10206         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10207         lhs == NULL_TREE for gang-level reduction.
10208
10209 2019-01-15  Richard Biener  <rguenther@suse.de>
10210             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10211
10212         PR ipa/88788
10213         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10214         return true if SSA_NAME is already marked in visited bitmap.
10215         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10216
10217 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10218
10219         PR tree-optimization/88775
10220         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10221         equal == 0 equality pointer comparisons some more if compared in
10222         integral types and either one points to an automatic var and the
10223         other to a global, or we can prove at least one points to the middle
10224         or both point to start or both point to end.
10225
10226 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10227
10228         * Makefile.in: Lower autofdo sampling rate by 10x.
10229         * Makefile.tpl: Dito.
10230
10231 2019-01-14  Tom Honermann  <tom@honermann.net>
10232
10233         * defaults.h: Define CHAR8_TYPE.
10234
10235 2019-01-14  Martin Sebor  <msebor@redhat.com>
10236
10237         PR target/88638
10238         * doc/extend.texi (Darwin Format Checks): Clarify.
10239
10240 2019-01-14  Richard Biener  <rguenther@suse.de>
10241
10242         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10243         whether we are in (simplify ...) or (match ...) context.
10244
10245 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10246
10247         PR rtl-optimization/88796
10248         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10249         * cfgexpand.c (stack_protect_prologue): Initialize
10250         crtl->stack_protect_guard_decl.
10251         * function.c (stack_protect_epilogue): Use it instead of calling
10252         targetm.stack_protect_guard again.
10253         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10254         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10255         crtl->stack_protect_guard_decl.
10256         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10257         on the returned MEM_EXPR.
10258
10259 2019-01-12  Tom de Vries  <tdevries@suse.de>
10260
10261         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10262         vector length using -fopenacc-dim.
10263
10264 2019-01-12  Tom de Vries  <tdevries@suse.de>
10265
10266         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10267         lengths into account.
10268
10269 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10270
10271         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10272         (TARGET_CAN_SPLIT_STACK): Define.
10273         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10274
10275 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10276
10277         * params.def (inline-unit-growth): Set to 40.
10278
10279 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10280
10281         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10282
10283 2019-01-12  Tom de Vries  <tdevries@suse.de>
10284
10285         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10286         region calling vector-partitionable routine, set default_vector_length
10287         to WARP_SIZE.
10288
10289 2019-01-12  Tom de Vries  <tdevries@suse.de>
10290
10291         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10292         variable default_vector_length.
10293
10294 2019-01-12  Tom de Vries  <tdevries@suse.de>
10295
10296         PR middle-end/88703
10297         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10298         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10299         dimensions limits.
10300
10301 2019-01-12  Tom de Vries  <tdevries@suse.de>
10302
10303         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10304         (nvptx_goacc_validate_dims): Add used parameter.
10305         * doc/tm.texi: Regenerate.
10306         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10307         argument to call to targetm.goacc.validate_dims.
10308         (default_goacc_validate_dims): Add used
10309         parameter.
10310         * target.def (validate_dims): Add used parameter in DEFHOOK.
10311         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10312
10313 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10314
10315         PR middle-end/85956
10316         PR lto/88733
10317         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10318         field.
10319         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10320         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10321         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10322         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10323
10324 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10325
10326         PR rtl-optimization/87305
10327         * lra-assigns.c
10328         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10329         for little endian pseudos used as paradoxical subreg.
10330
10331 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10332
10333         PR tree-optimization/88693
10334         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10335         for STRING_CSTs that don't contain any NUL characters in the first
10336         TREE_STRING_LENGTH bytes.
10337
10338 2019-01-11  Alan Modra  <amodra@gmail.com>
10339
10340         PR 88777
10341         PR 88614
10342         * genattrtab.c (min_fn): Don't translate values.
10343         (min_attr_value): Return INT_MAX when the value can't be calculated.
10344         Return minimum among any values that can be calculated.
10345         (max_attr_value): Adjust.
10346
10347 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10348
10349         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10350
10351 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10352
10353         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10354         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10355         (aarch64_return_call_with_max_clobbers): New function.
10356         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10357         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10358         argument.
10359         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10360         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10361         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10362         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10363         * cselib.c (cselib_process_insn): Add argument to
10364         targetm.hard_regno_call_part_clobbered call.
10365         * ira-conflicts.c (ira_build_conflicts): Ditto.
10366         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10367         * lra-constraints.c (inherit_reload_reg): Ditto.
10368         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10369         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10370         argument.  Call targetm.return_call_with_max_clobbers.
10371         Add argument to targetm.hard_regno_call_part_clobbered call.
10372         (calls_have_same_clobbers_p): New function.
10373         (process_bb_lives): Add call_insn and last_call_insn variables.
10374         Pass call_insn to check_pseudos_live_through_calls.
10375         Modify if stmt to check targetm.return_call_with_max_clobbers.
10376         Update setting of flush variable.
10377         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10378         to false.
10379         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10380         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10381         targetm.hard_regno_call_part_clobbered call.
10382         * reginfo.c (choose_hard_reg_mode): Ditto.
10383         * regrename.c (check_new_reg_p): Ditto.
10384         * reload.c (find_equiv_reg): Ditto.
10385         * reload1.c (emit_reload_insns): Ditto.
10386         * sched-deps.c (deps_analyze_insn): Ditto.
10387         * sel-sched.c (init_regs_for_mode): Ditto.
10388         (mark_unavailable_hard_regs): Ditto.
10389         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10390         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10391         (return_call_with_max_clobbers): New target function.
10392         * doc/tm.texi: Regenerate.
10393         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10394         * hooks.c (hook_bool_uint_mode_false): Change to
10395         hook_bool_insn_uint_mode_false.
10396         * hooks.h (hook_bool_uint_mode_false): Ditto.
10397
10398 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10399
10400         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10401         (aarch64_remove_extra_call_preserved_regs): New function.
10402         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10403         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10404         * doc/tm.texi: Regenerate.
10405         * final.c (get_call_reg_set_usage): Call new hook.
10406         * target.def (remove_extra_call_preserved_regs): New hook.
10407         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10408         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10409
10410 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10411
10412         PR bootstrap/88714
10413         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10414         inside of pass_combine_1 dump rather than pass_profile_1.
10415
10416 2019-01-11  Tom de Vries  <tdevries@suse.de>
10417
10418         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10419         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10420         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10421         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10422         num_workers 16.
10423
10424 2019-01-11  Tom de Vries  <tdevries@suse.de>
10425
10426         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10427
10428 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10429
10430         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10431         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10432         sse2_cvtsi2sd): Add {l}.
10433         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10434         syntax.
10435
10436 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10437
10438         PR target/88785
10439         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10440         define_expand.
10441         (*float<floatunssuffix>v2div2sf2): New define_insn.
10442         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10443         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10444         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10445         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10446         match_operands with "const0_operand" "C".
10447
10448 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10449
10450         * config/aarch64/aarch64-builtins.c
10451         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10452         (aarch64_init_simd_builtins): ...Here
10453
10454 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10455
10456         PR rtl-optimization/87305
10457         * lra-assigns.c
10458         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10459         allocation for big endian pseudos used as paradoxical subregs and
10460         spill them if it is wrong.
10461         * lra-constraints.c (lra_constraints): Add a comment.
10462
10463 2019-01-10  Richard Biener  <rguenther@suse.de>
10464
10465         PR tree-optimization/88792
10466         * tree-ssa-pre.c (get_representative_for): Do not return a
10467         value-number here.
10468
10469 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10470
10471         PR middle-end/84877
10472         PR bootstrap/88450
10473         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10474         (assign_parm_setup_block): Do the argument slot realignment here
10475         instead.
10476
10477 2019-01-10  Stefan Agner  <stefan@agner.ch>
10478
10479         PR target/88648
10480         * config/arm/arm.c (arm_option_override_internal): Force
10481         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10482
10483 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10484
10485         PR c/88568
10486         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10487         DECL_EXTERNAL.
10488
10489 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10490
10491         * config/arm/arm-builtins.c
10492         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10493         (MAC_LANE_PAIR_QUALIFIERS): New.
10494         (arm_expand_builtin_args): Use it.
10495         (arm_expand_builtin_1): Likewise.
10496         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10497         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10498         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10499         * config/arm/arm_neon.h:
10500         (vcadd_rot90_f16): New.
10501         (vcaddq_rot90_f16): New.
10502         (vcadd_rot270_f16): New.
10503         (vcaddq_rot270_f16): New.
10504         (vcmla_f16): New.
10505         (vcmlaq_f16): New.
10506         (vcmla_lane_f16): New.
10507         (vcmla_laneq_f16): New.
10508         (vcmlaq_lane_f16): New.
10509         (vcmlaq_laneq_f16): New.
10510         (vcmla_rot90_f16): New.
10511         (vcmlaq_rot90_f16): New.
10512         (vcmla_rot90_lane_f16): New.
10513         (vcmla_rot90_laneq_f16): New.
10514         (vcmlaq_rot90_lane_f16): New.
10515         (vcmlaq_rot90_laneq_f16): New.
10516         (vcmla_rot180_f16): New.
10517         (vcmlaq_rot180_f16): New.
10518         (vcmla_rot180_lane_f16): New.
10519         (vcmla_rot180_laneq_f16): New.
10520         (vcmlaq_rot180_lane_f16): New.
10521         (vcmlaq_rot180_laneq_f16): New.
10522         (vcmla_rot270_f16): New.
10523         (vcmlaq_rot270_f16): New.
10524         (vcmla_rot270_lane_f16): New.
10525         (vcmla_rot270_laneq_f16): New.
10526         (vcmlaq_rot270_lane_f16): New.
10527         (vcmlaq_rot270_laneq_f16): New.
10528         (vcadd_rot90_f32): New.
10529         (vcaddq_rot90_f32): New.
10530         (vcadd_rot270_f32): New.
10531         (vcaddq_rot270_f32): New.
10532         (vcmla_f32): New.
10533         (vcmlaq_f32): New.
10534         (vcmla_lane_f32): New.
10535         (vcmla_laneq_f32): New.
10536         (vcmlaq_lane_f32): New.
10537         (vcmlaq_laneq_f32): New.
10538         (vcmla_rot90_f32): New.
10539         (vcmlaq_rot90_f32): New.
10540         (vcmla_rot90_lane_f32): New.
10541         (vcmla_rot90_laneq_f32): New.
10542         (vcmlaq_rot90_lane_f32): New.
10543         (vcmlaq_rot90_laneq_f32): New.
10544         (vcmla_rot180_f32): New.
10545         (vcmlaq_rot180_f32): New.
10546         (vcmla_rot180_lane_f32): New.
10547         (vcmla_rot180_laneq_f32): New.
10548         (vcmlaq_rot180_lane_f32): New.
10549         (vcmlaq_rot180_laneq_f32): New.
10550         (vcmla_rot270_f32): New.
10551         (vcmlaq_rot270_f32): New.
10552         (vcmla_rot270_lane_f32): New.
10553         (vcmla_rot270_laneq_f32): New.
10554         (vcmlaq_rot270_lane_f32): New.
10555         (vcmlaq_rot270_laneq_f32): New.
10556         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10557         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10558         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10559         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10560         vcmlaq_lane270): New.
10561         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10562         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10563         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10564         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10565         (arm_option_reconfigure_globals): Use them.
10566         * config/arm/iterators.md (VDF, VQ_HSF): New.
10567         (VCADD, VCMLA): New.
10568         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10569         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10570         New.
10571         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10572         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10573
10574 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10575
10576         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10577         Add qualifier_lane_pair_index.
10578         (emit-rtl.h): Include.
10579         (TYPES_QUADOP_LANE_PAIR): New.
10580         (aarch64_simd_expand_args): Use it.
10581         (aarch64_simd_expand_builtin): Likewise.
10582         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10583         New.
10584         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10585         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10586         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10587         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10588         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10589         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10590         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10591         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10592         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10593         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10594         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10595         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10596         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10597         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10598         Add __ARM_FEATURE_COMPLEX.
10599         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10600         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10601         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10602         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10603         fcmlaq_lane270): New.
10604         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10605         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10606         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10607         * config/aarch64/arm_neon.h:
10608         (vcadd_rot90_f16): New.
10609         (vcaddq_rot90_f16): New.
10610         (vcadd_rot270_f16): New.
10611         (vcaddq_rot270_f16): New.
10612         (vcmla_f16): New.
10613         (vcmlaq_f16): New.
10614         (vcmla_lane_f16): New.
10615         (vcmla_laneq_f16): New.
10616         (vcmlaq_lane_f16): New.
10617         (vcmlaq_rot90_lane_f16): New.
10618         (vcmla_rot90_laneq_f16): New.
10619         (vcmla_rot90_lane_f16): New.
10620         (vcmlaq_rot90_f16): New.
10621         (vcmla_rot90_f16): New.
10622         (vcmlaq_laneq_f16): New.
10623         (vcmla_rot180_laneq_f16): New.
10624         (vcmla_rot180_lane_f16): New.
10625         (vcmlaq_rot180_f16): New.
10626         (vcmla_rot180_f16): New.
10627         (vcmlaq_rot90_laneq_f16): New.
10628         (vcmlaq_rot270_laneq_f16): New.
10629         (vcmlaq_rot270_lane_f16): New.
10630         (vcmla_rot270_laneq_f16): New.
10631         (vcmlaq_rot270_f16): New.
10632         (vcmla_rot270_f16): New.
10633         (vcmlaq_rot180_laneq_f16): New.
10634         (vcmlaq_rot180_lane_f16): New.
10635         (vcmla_rot270_lane_f16): New.
10636         (vcadd_rot90_f32): New.
10637         (vcaddq_rot90_f32): New.
10638         (vcaddq_rot90_f64): New.
10639         (vcadd_rot270_f32): New.
10640         (vcaddq_rot270_f32): New.
10641         (vcaddq_rot270_f64): New.
10642         (vcmla_f32): New.
10643         (vcmlaq_f32): New.
10644         (vcmlaq_f64): New.
10645         (vcmla_lane_f32): New.
10646         (vcmla_laneq_f32): New.
10647         (vcmlaq_lane_f32): New.
10648         (vcmlaq_laneq_f32): New.
10649         (vcmla_rot90_f32): New.
10650         (vcmlaq_rot90_f32): New.
10651         (vcmlaq_rot90_f64): New.
10652         (vcmla_rot90_lane_f32): New.
10653         (vcmla_rot90_laneq_f32): New.
10654         (vcmlaq_rot90_lane_f32): New.
10655         (vcmlaq_rot90_laneq_f32): New.
10656         (vcmla_rot180_f32): New.
10657         (vcmlaq_rot180_f32): New.
10658         (vcmlaq_rot180_f64): New.
10659         (vcmla_rot180_lane_f32): New.
10660         (vcmla_rot180_laneq_f32): New.
10661         (vcmlaq_rot180_lane_f32): New.
10662         (vcmlaq_rot180_laneq_f32): New.
10663         (vcmla_rot270_f32): New.
10664         (vcmlaq_rot270_f32): New.
10665         (vcmlaq_rot270_f64): New.
10666         (vcmla_rot270_lane_f32): New.
10667         (vcmla_rot270_laneq_f32): New.
10668         (vcmlaq_rot270_lane_f32): New.
10669         (vcmlaq_rot270_laneq_f32): New.
10670         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10671         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10672         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10673         (FCADD, FCMLA): New.
10674         (rot): New.
10675         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10676
10677 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10678
10679         PR other/16615
10680
10681         * config/pa/pa.c: Change "can not" to "cannot".
10682         * gimple-ssa-evrp-analyze.c: Likewise.
10683         * ipa-icf.c: Likewise.
10684         * ipa-polymorphic-call.c: Likewise.
10685         * ipa-pure-const.c: Likewise.
10686         * lra-constraints.c: Likewise.
10687         * lra-remat.c: Likewise.
10688         * reload1.c: Likewise.
10689         * reorg.c: Likewise.
10690         * tree-ssa-uninit.c: Likewise.
10691
10692 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10693
10694         PR other/16615
10695
10696         * Makefile.in: Mechanically replace "can not" with "cannot".
10697         * alias.c: Likewise.
10698         * builtins.c: Likewise.
10699         * calls.c: Likewise.
10700         * cgraph.c: Likewise.
10701         * cgraph.h: Likewise.
10702         * cgraphclones.c: Likewise.
10703         * cgraphunit.c: Likewise.
10704         * combine-stack-adj.c: Likewise.
10705         * combine.c: Likewise.
10706         * common/config/i386/i386-common.c: Likewise.
10707         * config/aarch64/aarch64.c: Likewise.
10708         * config/alpha/sync.md: Likewise.
10709         * config/arc/arc.c: Likewise.
10710         * config/arc/predicates.md: Likewise.
10711         * config/arm/arm-c.c: Likewise.
10712         * config/arm/arm.c: Likewise.
10713         * config/arm/arm.h: Likewise.
10714         * config/arm/arm.md: Likewise.
10715         * config/arm/cortex-r4f.md: Likewise.
10716         * config/csky/csky.c: Likewise.
10717         * config/csky/csky.h: Likewise.
10718         * config/darwin-f.c: Likewise.
10719         * config/epiphany/epiphany.md: Likewise.
10720         * config/i386/i386.c: Likewise.
10721         * config/i386/sol2.h: Likewise.
10722         * config/m68k/m68k.c: Likewise.
10723         * config/mcore/mcore.h: Likewise.
10724         * config/microblaze/microblaze.md: Likewise.
10725         * config/mips/20kc.md: Likewise.
10726         * config/mips/sb1.md: Likewise.
10727         * config/nds32/nds32.c: Likewise.
10728         * config/nds32/predicates.md: Likewise.
10729         * config/pa/pa.c: Likewise.
10730         * config/rs6000/e300c2c3.md: Likewise.
10731         * config/rs6000/rs6000.c: Likewise.
10732         * config/s390/s390.h: Likewise.
10733         * config/sh/sh.c: Likewise.
10734         * config/sh/sh.md: Likewise.
10735         * config/spu/vmx2spu.h: Likewise.
10736         * cprop.c: Likewise.
10737         * dbxout.c: Likewise.
10738         * df-scan.c: Likewise.
10739         * doc/cfg.texi: Likewise.
10740         * doc/extend.texi: Likewise.
10741         * doc/fragments.texi: Likewise.
10742         * doc/gty.texi: Likewise.
10743         * doc/invoke.texi: Likewise.
10744         * doc/lto.texi: Likewise.
10745         * doc/md.texi: Likewise.
10746         * doc/objc.texi: Likewise.
10747         * doc/rtl.texi: Likewise.
10748         * doc/tm.texi: Likewise.
10749         * dse.c: Likewise.
10750         * emit-rtl.c: Likewise.
10751         * emit-rtl.h: Likewise.
10752         * except.c: Likewise.
10753         * expmed.c: Likewise.
10754         * expr.c: Likewise.
10755         * fold-const.c: Likewise.
10756         * genautomata.c: Likewise.
10757         * gimple-fold.c: Likewise.
10758         * hard-reg-set.h: Likewise.
10759         * ifcvt.c: Likewise.
10760         * ipa-comdats.c: Likewise.
10761         * ipa-cp.c: Likewise.
10762         * ipa-devirt.c: Likewise.
10763         * ipa-fnsummary.c: Likewise.
10764         * ipa-icf.c: Likewise.
10765         * ipa-inline-transform.c: Likewise.
10766         * ipa-inline.c: Likewise.
10767         * ipa-polymorphic-call.c: Likewise.
10768         * ipa-profile.c: Likewise.
10769         * ipa-prop.c: Likewise.
10770         * ipa-pure-const.c: Likewise.
10771         * ipa-reference.c: Likewise.
10772         * ipa-split.c: Likewise.
10773         * ipa-visibility.c: Likewise.
10774         * ipa.c: Likewise.
10775         * ira-build.c: Likewise.
10776         * ira-color.c: Likewise.
10777         * ira-conflicts.c: Likewise.
10778         * ira-costs.c: Likewise.
10779         * ira-int.h: Likewise.
10780         * ira-lives.c: Likewise.
10781         * ira.c: Likewise.
10782         * ira.h: Likewise.
10783         * loop-invariant.c: Likewise.
10784         * loop-unroll.c: Likewise.
10785         * lower-subreg.c: Likewise.
10786         * lra-assigns.c: Likewise.
10787         * lra-constraints.c: Likewise.
10788         * lra-eliminations.c: Likewise.
10789         * lra-lives.c: Likewise.
10790         * lra-remat.c: Likewise.
10791         * lra-spills.c: Likewise.
10792         * lra.c: Likewise.
10793         * lto-cgraph.c: Likewise.
10794         * lto-streamer-out.c: Likewise.
10795         * postreload-gcse.c: Likewise.
10796         * predict.c: Likewise.
10797         * profile-count.h: Likewise.
10798         * profile.c: Likewise.
10799         * recog.c: Likewise.
10800         * ree.c: Likewise.
10801         * reload.c: Likewise.
10802         * reload1.c: Likewise.
10803         * reorg.c: Likewise.
10804         * resource.c: Likewise.
10805         * rtl.def: Likewise.
10806         * rtl.h: Likewise.
10807         * rtlanal.c: Likewise.
10808         * sched-deps.c: Likewise.
10809         * sched-ebb.c: Likewise.
10810         * sched-rgn.c: Likewise.
10811         * sel-sched-ir.c: Likewise.
10812         * sel-sched.c: Likewise.
10813         * shrink-wrap.c: Likewise.
10814         * simplify-rtx.c: Likewise.
10815         * symtab.c: Likewise.
10816         * target.def: Likewise.
10817         * toplev.c: Likewise.
10818         * tree-call-cdce.c: Likewise.
10819         * tree-cfg.c: Likewise.
10820         * tree-complex.c: Likewise.
10821         * tree-core.h: Likewise.
10822         * tree-eh.c: Likewise.
10823         * tree-inline.c: Likewise.
10824         * tree-loop-distribution.c: Likewise.
10825         * tree-nrv.c: Likewise.
10826         * tree-profile.c: Likewise.
10827         * tree-sra.c: Likewise.
10828         * tree-ssa-alias.c: Likewise.
10829         * tree-ssa-dce.c: Likewise.
10830         * tree-ssa-dom.c: Likewise.
10831         * tree-ssa-forwprop.c: Likewise.
10832         * tree-ssa-loop-im.c: Likewise.
10833         * tree-ssa-loop-ivcanon.c: Likewise.
10834         * tree-ssa-loop-ivopts.c: Likewise.
10835         * tree-ssa-loop-niter.c: Likewise.
10836         * tree-ssa-phionlycprop.c: Likewise.
10837         * tree-ssa-phiopt.c: Likewise.
10838         * tree-ssa-propagate.c: Likewise.
10839         * tree-ssa-threadedge.c: Likewise.
10840         * tree-ssa-threadupdate.c: Likewise.
10841         * tree-ssa-uninit.c: Likewise.
10842         * tree-ssanames.c: Likewise.
10843         * tree-streamer-out.c: Likewise.
10844         * tree.c: Likewise.
10845         * tree.h: Likewise.
10846         * vr-values.c: Likewise.
10847
10848 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10849
10850         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10851         (ix86_split_xorsign): Ditto.
10852         * config/i386/i386.c (ix86_expand_xorsign): New function.
10853         (ix86_split_xorsign): Ditto.
10854         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10855         (xorsign<mode>3): New expander.
10856         (xorsign<mode>3_1): New insn_and_split pattern.
10857         * config/i386/sse.md (xorsign<mode>3): New expander.
10858
10859 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10860
10861         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10862         (*tablejump_sp64): Likewise.
10863         (*tablejump<P:mode>): ...this.
10864         (*call_address_sp32): Merge into...
10865         (*call_address_sp64): Likewise.
10866         (*call_address<P:mode>): ...this.
10867         (*call_symbolic_sp32): Merge into...
10868         (*call_symbolic_sp64): Likewise.
10869         (*call_symbolic<P:mode>): ...this.
10870         (call_value): Remove constraint and add predicate.
10871         (*call_value_address_sp32): Merge into...
10872         (*call_value_address_sp64): Likewise.
10873         (*call_value_address<P:mode>): ...this.
10874         (*call_value_symbolic_sp32): Merge into...
10875         (*call_value_symbolic_sp64): Likewise.
10876         (*call_value_symbolic<P:mode>): ...this.
10877         (*sibcall_symbolic_sp32): Merge into...
10878         (*sibcall_symbolic_sp64): Likewise.
10879         (*sibcall_symbolic<P:mode>): ...this.
10880         (sibcall_value): Remove constraint and add predicate.
10881         (*sibcall_value_symbolic_sp32): Merge into...
10882         (*sibcall_value_symbolic_sp64): Likewise.
10883         (*sibcall_value_symbolic<P:mode>): ...this.
10884         (window_save): Minor tweak.
10885         (*branch_sp32): Merge into...
10886         (*branch_sp64): Likewise.
10887         (*branch<P:mode>): ...this.
10888
10889 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10890             James Clarke  <jrtc27@jrtc27.com>
10891
10892         PR target/84010
10893         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10894         consistently in TLS address generation and adjust code to the renaming
10895         of patterns.  Mark calls to __tls_get_addr as const.
10896         * config/sparc/sparc.md (tgd_hi22): Turn into...
10897         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10898         (tgd_lo10): Turn into...
10899         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10900         (tgd_add32): Merge into...
10901         (tgd_add64): Likewise.
10902         (tgd_add<P:mode>): ...this and use Pmode throughout.
10903         (tldm_hi22): Turn into...
10904         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10905         (tldm_lo10): Turn into...
10906         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10907         (tldm_add32): Merge into...
10908         (tldm_add64): Likewise.
10909         (tldm_add<P:mode>): ...this and use Pmode throughout.
10910         (tldm_call32): Merge into...
10911         (tldm_call64): Likewise.
10912         (tldm_call<P:mode>): ...this and use Pmode throughout.
10913         (tldo_hix22): Turn into...
10914         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10915         (tldo_lox10): Turn into...
10916         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10917         (tldo_add32): Merge into...
10918         (tldo_add64): Likewise.
10919         (tldo_add<P:mode>): ...this and use Pmode throughout.
10920         (tie_hi22): Turn into...
10921         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10922         (tie_lo10): Turn into...
10923         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10924         (tie_ld64): Use DImode throughout.
10925         (tie_add32): Merge into...
10926         (tie_add64): Likewise.
10927         (tie_add<P:mode>): ...this and use Pmode throughout.
10928         (tle_hix22_sp32): Merge into...
10929         (tle_hix22_sp64): Likewise.
10930         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10931         (tle_lox22_sp32): Merge into...
10932         (tle_lox22_sp64): Likewise.
10933         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10934         (*tldo_ldub_sp32): Merge into...
10935         (*tldo_ldub_sp64): Likewise.
10936         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10937         (*tldo_ldub1_sp32): Merge into...
10938         (*tldo_ldub1_sp64): Likewise.
10939         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10940         (*tldo_ldub2_sp32): Merge into...
10941         (*tldo_ldub2_sp64): Likewise.
10942         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10943         (*tldo_ldsb1_sp32): Merge into...
10944         (*tldo_ldsb1_sp64): Likewise.
10945         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10946         (*tldo_ldsb2_sp32): Merge into...
10947         (*tldo_ldsb2_sp64): Likewise.
10948         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10949         (*tldo_ldub3_sp64): Use DImode throughout.
10950         (*tldo_ldsb3_sp64): Likewise.
10951         (*tldo_lduh_sp32): Merge into...
10952         (*tldo_lduh_sp64): Likewise.
10953         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10954         (*tldo_lduh1_sp32): Merge into...
10955         (*tldo_lduh1_sp64): Likewise.
10956         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10957         (*tldo_ldsh1_sp32): Merge into...
10958         (*tldo_ldsh1_sp64): Likewise.
10959         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10960         (*tldo_lduh2_sp64): Use DImode throughout.
10961         (*tldo_ldsh2_sp64): Likewise.
10962         (*tldo_lduw_sp32): Merge into...
10963         (*tldo_lduw_sp64): Likewise.
10964         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10965         (*tldo_lduw1_sp64): Use DImode throughout.
10966         (*tldo_ldsw1_sp64): Likewise.
10967         (*tldo_ldx_sp64): Likewise.
10968         (*tldo_stb_sp32): Merge into...
10969         (*tldo_stb_sp64): Likewise.
10970         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10971         (*tldo_sth_sp32): Merge into...
10972         (*tldo_sth_sp64): Likewise.
10973         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10974         (*tldo_stw_sp32): Merge into...
10975         (*tldo_stw_sp64): Likewise.
10976         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10977         (*tldo_stx_sp64): Use DImode throughout.
10978
10979 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10980
10981         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10982         check configure option to set BTI and Return Address Signing.
10983         * configure.ac: Add --enable-standard-branch-protection and
10984         --disable-standard-branch-protection.
10985         * configure: Regenerated.
10986         * doc/install.texi: Document the same.
10987
10988 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10989             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10990
10991         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10992         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10993         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10994         if bti is enabled.
10995         * config/aarch64/aarch64-bti-insert.c: New file.
10996         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10997         pass.
10998         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10999         new bti pass.
11000         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
11001         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
11002         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
11003         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
11004
11005 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11006
11007         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
11008         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
11009         Disable bti for -mbranch-protection=none.
11010         (aarch64_handle_standard_branch_protection): Enable bti for
11011         -mbranch-protection=standard.
11012         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
11013         -mbranch-protection.
11014         (aarch64_bti_enabled): Check if bti is enabled.
11015         * config/aarch64/aarch64.opt: Declare target variable.
11016         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
11017
11018 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11019
11020         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
11021         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
11022         (aarch64_expand_epilogue): Likewise.
11023         (aarch64_output_mi_thunk): Likewise
11024         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
11025         TAILCALL_ADDR_REGS to x16 and x17.
11026         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
11027
11028 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11029
11030         * config/aarch64/aarch64-option-extensions.def: Define
11031         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
11032         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
11033         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
11034         (AARCH64_FL_PREDRES): New.
11035         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
11036         AARCH64_FL_PREDRES by default.
11037         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
11038
11039 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11040
11041         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
11042         ARMv8.5-A.
11043         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
11044         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
11045         * doc/invoke.texi: Document ARMv8.5-A.
11046
11047 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
11048
11049         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
11050         (xorsign<mode>3): Likewise.
11051
11052 2019-01-09  Jelinek  <jakub@redhat.com>
11053
11054         PR middle-end/88758
11055         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
11056         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
11057
11058         PR rtl-optimization/88331
11059         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
11060         not currently_expanding_to_rtl.
11061
11062 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11063
11064         * doc/invoke.texi (-Os): Remove trailing spaces.
11065         (-finline-functions): Remove reference to -O2.
11066
11067 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
11068
11069         PR rtl-optimization/79593
11070         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
11071
11072         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
11073         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
11074
11075 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
11076
11077         PR bootstrap/88721
11078         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
11079         to -1 on entry.
11080
11081         PR debug/88723
11082         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
11083         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
11084
11085 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11086
11087         PR target/88717
11088         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
11089         ix86_avx_u128_mode_entry.
11090
11091 2019-01-08  Martin Liska  <mliska@suse.cz>
11092
11093         PR tree-optimization/88753
11094         * tree-switch-conversion.c (switch_conversion::build_one_array):
11095         Come up with local variable constructor.  Convert first to
11096         type of constructor values.
11097
11098 2019-01-08  Richard Biener  <rguenther@suse.de>
11099
11100         PR tree-optimization/86554
11101         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
11102         rpo_avail): Move earlier.
11103         (visit_nary_op): When value-numbering to expressions
11104         with different overflow behavior make sure there's an
11105         available expression on the path.
11106
11107 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
11108
11109         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
11110         aarch64_parse_branch_protection,
11111         struct aarch64_branch_protect_type,
11112         aarch64_handle_no_branch_protection,
11113         aarch64_handle_standard_branch_protection,
11114         aarch64_validate_mbranch_protection,
11115         aarch64_handle_pac_ret_protection,
11116         aarch64_handle_attr_branch_protection,
11117         accepted_branch_protection_string,
11118         aarch64_pac_ret_subtypes,
11119         aarch64_branch_protect_types,
11120         aarch64_handle_pac_ret_leaf): Define.
11121         (aarch64_override_options_after_change_1, aarch64_override_options):
11122         Add check for accepted_branch_protection_string.
11123         (aarch64_option_save): Save accepted_branch_protection_string.
11124         (aarch64_option_restore): Save accepted_branch_protection_string.
11125         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
11126         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
11127         msign-return-address.
11128         * doc/invoke.texi: Add mbranch-protection.
11129
11130 2019-01-08  Alan Modra  <amodra@gmail.com>
11131
11132         PR target/88614
11133         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
11134         Delete "unknownp" parameter.  Adjust callers.  Handle
11135         CONST_INT, PLUS, MINUS, and MULT.
11136         (attr_value_aligned): Renamed from or_attr_value.
11137         (min_attr_value): Return INT_MIN for unhandled rtl case..
11138         (min_fn): ..and translate to INT_MAX here.
11139         (write_length_unit_log): Modify to cope without "unknown".
11140         (write_attr_value): Handle IF_THEN_ELSE.
11141
11142 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11143
11144         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
11145         optimization for masked stores.
11146
11147 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11148
11149         PR middle-end/88567
11150         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
11151         output vector directly to duplicate_and_interleave instead of
11152         going through a temporary.  Postpone insertion of ctor_seq to
11153         the end of the loop.
11154
11155 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
11156
11157         PR target/86891
11158         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
11159         unsigned_p.  Handle signed and unsigned overflow correction as
11160         required.
11161         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
11162         prototype.
11163         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
11164         for operand 2.
11165         (add<mode>3_compareV_imm): Make this callable for expanding.
11166         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
11167         aarch64_plus_operand for operand 2.
11168         (subv<GPI:mode>_insn): New insn pattern.
11169         (subv<GPI:mode>_imm): Likewise.
11170         (negv<GPI:mode>3): New expand pattern.
11171         (negv<GPI:mode>_insn): New insn pattern.
11172         (negv<GPI:mode>_cmp_only): Likewise.
11173         (cmpv<GPI:mode>_insn): Likewise.
11174         (subvti4): Use register_operand for operand 1.  Update call to
11175         aarch64_expand_subvti.
11176         (usubvti4): Likewise.
11177         (negvti3): New expand pattern.
11178         (negdi_carryout): New insn pattern.
11179         (negvdi_carryinV): New insn pattern.
11180         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
11181         version the named version.
11182         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
11183         operands.
11184         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
11185         patterns.
11186         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
11187         patterns.
11188         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
11189         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11190         (sub<mode>3_carryinCV): Delete.
11191         (sub<GPI:mode>3_carryinV): New expand pattern.
11192         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11193
11194 2019-01-07  Richard Biener  <rguenther@suse.de>
11195
11196         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11197         of tree_operand_hash.
11198
11199 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11200
11201         PR tree-optimization/88598
11202         * tree.h (single_nonzero_element): Declare.
11203         * tree.c (single_nonzero_element): New function.
11204         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11205         if I is the only nonzero element of CST.
11206
11207 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11208
11209         PR tree-optimization/88598
11210         * tree.h (initializer_each_zero_or_onep): Declare.
11211         * tree.c (initializer_each_zero_or_onep): New function.
11212         (signed_or_unsigned_type_for): Handle float types too.
11213         (unsigned_type_for, signed_type_for): Update comments accordingly.
11214         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11215         x & { 0 or -1, 0 or -1, ... }.
11216
11217 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11218
11219         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11220         with x86_64-pc-linux-gnu.
11221
11222 2019-01-07  Tom de Vries  <tdevries@suse.de>
11223
11224         PR target/85486
11225         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11226         function.
11227         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11228         routines.
11229
11230 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11231
11232         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11233         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11234         TARGET_AVX512F as condition.
11235
11236         PR debug/88723
11237         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11238         const_not_ok_for_debug_p target hook.
11239         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11240         on UNSPEC and subexpressions thereof if all subexpressions of the
11241         UNSPEC are CONSTANT_P.
11242
11243         PR tree-optimization/88676
11244         * tree-ssa-phiopt.c (two_value_replacement): New function.
11245         (tree_ssa_phiopt_worker): Call it.
11246
11247         PR sanitizer/88619
11248         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11249         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11250
11251         PR c++/85052
11252         * tree-vect-generic.c: Include insn-config.h and recog.h.
11253         (expand_vector_piecewise): Add defaulted ret_type argument,
11254         if non-NULL, use that in preference to type for the result type.
11255         (expand_vector_parallel): Formatting fix.
11256         (do_vec_conversion, do_vec_narrowing_conversion,
11257         expand_vector_conversion): New functions.
11258         (expand_vector_operations_1): Call expand_vector_conversion
11259         for VEC_CONVERT ifn calls.
11260         * internal-fn.def (VEC_CONVERT): New internal function.
11261         * internal-fn.c (expand_VEC_CONVERT): New function.
11262         * fold-const-call.c (fold_const_vec_convert): New function.
11263         (fold_const_call): Use it for CFN_VEC_CONVERT.
11264         * doc/extend.texi (__builtin_convertvector): Document.
11265
11266 2019-01-07  Tom de Vries  <tdevries@suse.de>
11267
11268         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11269         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11270         vector_red_partition, vector_red_sym): New global variables.
11271         (nvptx_option_override): Initialize vector_red_sym.
11272         (nvptx_declare_function_name): Restore red_partition register.
11273         (nvptx_file_end): Emit code to declare the vector reduction variables.
11274         (nvptx_output_red_partition): New function.
11275         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11276         large vector reductions.
11277         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11278         (nvptx_init_builtins): Add VECTOR_ADDR.
11279         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11280         Handle nvptx_expand_shared_addr.
11281         (nvptx_get_shared_red_addr): Add vector argument and handle large
11282         vectors.
11283         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11284         large vectors.
11285         (nvptx_goacc_reduction_init): Likewise.
11286         (nvptx_goacc_reduction_fini): Likewise.
11287         (nvptx_goacc_reduction_teardown): Likewise.
11288         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11289         init,fini,teardown}.
11290         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11291         (nvptx_set_current_function): Init vector_red_partition.
11292         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11293         (nvptx_red_partition): New insn.
11294         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11295
11296 2019-01-07  Tom de Vries  <tdevries@suse.de>
11297
11298         PR target/85381
11299         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11300         empty loops.
11301
11302 2019-01-07  Tom de Vries  <tdevries@suse.de>
11303
11304         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11305         (nvptx_option_override): Init oacc_bcast_partition.
11306         (nvptx_init_oacc_workers): New function.
11307         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11308         (nvptx_needs_shared_bcast): New function.
11309         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11310         to propagate state.
11311         (nvptx_shared_propagate): Initialize vector bcast partition and
11312         synchronization state.
11313         (nvptx_single):  Generalize to enable vectors to use shared-memory
11314         to propagate state.
11315         (nvptx_process_pars): Likewise.
11316         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11317         * config/nvptx/nvptx.h (struct machine_function): Add
11318         bcast_partition and sync_bar members.
11319
11320 2019-01-07  Tom de Vries  <tdevries@suse.de>
11321
11322         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11323         (nvptx_apply_dim_limits): New function.
11324         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11325         PTX_WARP_SIZE.
11326
11327 2019-01-07  Tom de Vries  <tdevries@suse.de>
11328
11329         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11330         as late as possible.
11331
11332 2019-01-07  Tom de Vries  <tdevries@suse.de>
11333
11334         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11335         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11336         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11337         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11338         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11339
11340 2019-01-07  Tom de Vries  <tdevries@suse.de>
11341
11342         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11343
11344 2019-01-07  Tom de Vries  <tdevries@suse.de>
11345
11346         * omp-offload.c (oacc_get_min_dim): New function.
11347         * omp-offload.h (oacc_get_min_dim): Declare.
11348
11349 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11350
11351         PR target/88521
11352         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11353         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11354
11355 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11356
11357         PR tree-opt/86020
11358         Revert:
11359         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11360
11361         * ipa-inline.c (edge_badness): Use inlined_time instead of
11362         inline_summaries->get.
11363
11364 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11365
11366         * opts.c (enable_fdo_optimizations): Enable
11367         version-loops-for-strides, loop-interchange, unrol-and-jam
11368         and tree-loop-distribution.
11369         * invoke.texi: Document newly enabled options.
11370
11371 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11372
11373         * doc/invoke.texi (max-inline-insns-small): New parameters.
11374         * ipa-inline.c (want_early_inline_function_p): simplify.
11375         (want_inline_small_function_p): Fix pasto from previous patch;
11376         use max-inline-insns-small bound.
11377         * params.def (max-inline-insns-small): New param.
11378         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11379         variables correctly.
11380
11381 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11382
11383         * doc/invoke.texi: Document max-inline-insns-size,
11384         uninlined-function-insns, uninlined-function-time,
11385         uninlined-thunk-insns and uninlined-thunk-time.
11386         * params.def: Add max-inline-insns-size,
11387         uninlined-function-insns, uninlined-function-time,
11388         uninlined-thunk-insns and uninlined-thunk-time.
11389         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11390         new parameters.
11391         * ipa-inline.c (can_inline_edge_by_limits_p,
11392         want_inline_small_function_p): Use new parameters.
11393
11394 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11395
11396         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11397
11398 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11399
11400         PR middle-end/82564
11401         PR target/88620
11402         * expr.c (expand_assignment): For calls returning VLA structures
11403         if to_rtx is not a MEM, force it into a stack temporary.
11404
11405         PR debug/88635
11406         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11407         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11408         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11409         subexpressions of both operands.
11410         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11411         subrtxes are CONSTANT_P.
11412         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11413         2018-11-09 changes.
11414
11415 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11416
11417         * params.def (hot-bb-count-ws-permille): Set to 990.
11418
11419 2019-01-04  Martin Sebor  <msebor@redhat.com>
11420
11421         PR c/88546
11422         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11423         leaf.
11424
11425 2019-01-04  Martin Sebor  <msebor@redhat.com>
11426
11427         PR c/88363
11428         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11429
11430 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11431
11432         * gdbinit.in: Turn off pagination for the skip commands, restore
11433         it to previous state afterwards.
11434
11435 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11436
11437         PR target/88594
11438         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11439         of GET_MODE (opN) as modes of the libcall arguments.
11440
11441 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11442
11443         * config/i386/sse.md
11444         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11445         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11446         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11447         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11448         avx512f_vmcmp<mode>3<round_saeonly_name>,
11449         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11450         avx512f_maskcmp<mode>3,
11451         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11452         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11453         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11454         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11455         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11456         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11457         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11458         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11459         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11460         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11461         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11462         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11463         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11464         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11465         avx512cd_maskb_vec_dup<mode>,
11466         avx512cd_maskw_vec_dup<mode>,
11467         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11468         avx512dq_vmfpclass<mode>,
11469         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11470         instead of =Yk.
11471
11472 2019-01-03  Martin Sebor  <msebor@redhat.com>
11473
11474         PR tree-optimization/88659
11475         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11476
11477 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11478
11479         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11480         unaligned vsx and avoid lxvd2x/stxvd2x.
11481         (gen_lvx_v4si_move): New function.
11482
11483 2019-01-03  Tom de Vries  <tdevries@suse.de>
11484
11485         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11486         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11487         function.
11488         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11489
11490 2019-01-03  Tom de Vries  <tdevries@suse.de>
11491
11492         * config/nvptx/nvptx.c (struct offload_attrs): New.
11493         (populate_offload_attrs): New function.  Factor mask extraction out of
11494         nvptx_reorg.  Add extraction of dimensions.
11495         (nvptx_reorg): Use populate_offload_attrs.
11496
11497 2019-01-03  Tom de Vries  <tdevries@suse.de>
11498
11499         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11500         cases for oacc_min_dims_p and routine_p.  Add asserts for
11501         oacc_default_dims_p and offload_region_p.
11502
11503 2019-01-03  Tom de Vries  <tdevries@suse.de>
11504
11505         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11506         factored out of ...
11507         (nvptx_goacc_validate_dims): ... here.
11508
11509 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11510
11511         PR tree-optimization/85574
11512         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11513         structure.
11514         (struct ssa_equip_hash_traits): Declare.
11515         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11516
11517 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11518
11519         PR debug/88644
11520         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11521         change it to qualified_type.
11522
11523 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11524
11525         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11526         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11527
11528 2019-01-02  Martin Sebor  <msebor@redhat.com>
11529             Jeff Law  <law@redhat.com>
11530
11531         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11532         (get_range_strlen_tree): Update appropriately.
11533         (get_range_strlen)
11534         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11535
11536         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11537         rather than set_range_info.
11538         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11539         maybe_set_strlen_range.  Handle potentially boundary crossing
11540         cases more conservatively.
11541         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11542         Call set_strlen_range.
11543         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11544
11545         PR middle-end/88663
11546         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11547         need the flexp argument.
11548         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11549         from calls to get_range_strlen.  Update comments.  Just update
11550         VAL for an unterminated const char array and let the reset of the
11551         code handle it normally.  No longer try to set *flexp.  Adjust
11552         return value.
11553         (get_range_strlen): Update for the new get_range_strlen API.
11554         (get_maxval_strlen): Similarly.
11555         (gimple_fold_builtin_strlen): Handle update meaning of return value
11556         from get_range_strlen.
11557         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11558         get_range_strlen API.
11559
11560 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11561
11562         PR lto/88130
11563         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11564         false at WPA time when body was removed.
11565
11566 2019-01-02  Martin Liska  <mliska@suse.cz>
11567
11568         PR tree-optimization/88650
11569         * predict.c (set_even_probabilities): Calculate probability
11570         remainer only when really used.
11571
11572 2019-01-02  Richard Biener  <rguenther@suse.de>
11573
11574         PR middle-end/88651
11575         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11576         widest_ints when mangling max_stmt_execution results.
11577
11578 2019-01-02  Richard Biener  <rguenther@suse.de>
11579
11580         PR tree-optimization/88621
11581         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11582         bitfields when canoncalizing.
11583
11584 2019-01-02  Richard Biener  <rguenther@suse.de>
11585
11586         PR target/87545
11587         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11588         cost of cheap SSE instruction.
11589
11590 2019-01-02  Richard Biener  <rguenther@suse.de>
11591
11592         PR ipa/85574
11593         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11594         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11595         function.
11596         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11597         set after UIDs before splitting them.
11598
11599 2019-01-01  Martin Sebor  <msebor@redhat.com>
11600             Jeff Law  <law@redhat.com>
11601
11602         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11603         length is optimistic.  If it is, then arrange to compute the
11604         conservative length as well.
11605
11606         * gimple-fold.h (get_range_strlen): Update prototype.
11607         * builtins.c (check_access): Update call to get_range_strlen to use
11608         c_strlen_data pointer.   Change various variable accesses to instead
11609         pull data from the c_strlen_data structure.
11610         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11611         * calls.c (maybe_warn_nonstring_arg): Likewise.
11612         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11613         minimum length if maximum lengh is unknown.
11614         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11615         that used c_strlen, it's no longer needed.  Restructure slightly.
11616         (format_string): Set unlikely range appropriately.
11617         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11618         formatting issues.
11619         (get_range_strlen):  Accept c_strlen_data pointer for external
11620         call sites as well.  Pass through to call to internal get_range_strlen.
11621         Adjust minlen, maxlen and maxbound as needed.
11622         (get_maxval_strlen): Update comments.
11623         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11624         to use c_strlen_data pointer.  Change variable accesses to instead
11625         use c_strlen_data data members.
11626
11627         * gimple-fold.c (get_range_strlen): Update prototype.
11628         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11629         local variables.  Use pdata to return information to caller.
11630         Update calls to get_range_strlen.  Update pdata->maxbound.
11631         (get_range_strlen -- static version): Similarly.
11632         (get_range_strlen -- extern version): Update for internal
11633         get_range_strlen API change.  Convert to external data format.
11634         (get_maxval_strlen): Similarly.
11635
11636 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11637
11638         * coverage.c (get_coverage_counts): Use current_function_decl.
11639         * profile.c (read_thunk_profile): New function.
11640         (branch_prob): Add THUNK parameter.
11641         * tree-profile.c (tree_profiling): Handle thunks.
11642         * value-prof.c (init_node_map): Handle thunks.
11643         * value-prof.h (branch_prob): Upate prototype.
11644         (read_thunk_profile): Declare.
11645
11646 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11647
11648         Update copyright years.
11649
11650         * gcc.c (process_command): Update copyright notice dates.
11651         * gcov-dump.c (print_version): Ditto.
11652         * gcov.c (print_version): Ditto.
11653         * gcov-tool.c (print_version): Ditto.
11654         * gengtype.c (create_file): Ditto.
11655         * doc/cpp.texi: Bump @copying's copyright year.
11656         * doc/cppinternals.texi: Ditto.
11657         * doc/gcc.texi: Ditto.
11658         * doc/gccint.texi: Ditto.
11659         * doc/gcov.texi: Ditto.
11660         * doc/install.texi: Ditto.
11661         * doc/invoke.texi: Ditto.
11662 \f
11663 Copyright (C) 2019 Free Software Foundation, Inc.
11664
11665 Copying and distribution of this file, with or without modification,
11666 are permitted in any medium without royalty provided the copyright
11667 notice and this notice are preserved.