gcc/ChangeLog

   1 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
   2
   3         * config/darwin.opt (prebind, noprebind, seglinkedit,
   4         noseglinkedit): Add RejectNegative.
   5
   6 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
   7
   8         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
   9         in my previous patch.
  10
  11 2019-06-16  Tom de Vries  <tdevries@suse.de>
  12
  13         PR tree-optimization/89376
  14         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
  15
  16 2019-06-15  Maya Rashish  <coypu@sdf.org>
  17
  18         * doc/invoke.texi (Spec Files): Update location of the
  19         Fortran spec file.
  20
  21 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
  22
  23         * doc/extend.texi (Common Function Attributes): Clarify
  24         no_sanitize.  Fix grammar.
  25
  26 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
  27
  28         * tree-ssa-alias.c (alias_stats): Add
  29         nonoverlapping_component_refs_p_may_alias,
  30         nonoverlapping_component_refs_p_no_alias,
  31         nonoverlapping_component_refs_of_decl_p_may_alias,
  32         nonoverlapping_component_refs_of_decl_p_no_alias.
  33         (dump_alias_stats): Dump them.
  34         (nonoverlapping_component_refs_of_decl_p): Add stats.
  35         (nonoverlapping_component_refs_p): Add stats; do not stop on first
  36         ARRAY_REF.
  37
  38 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
  39
  40         * config/i386/i386.md (and<mode>3): Generate zero-extends for
  41         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
  42         only.
  43         (*anddi3_doubleword): Split before reload. Merge with
  44         anddi->zext pre-reload splitter.
  45         (*andndi3_doubleword): Split before reload.
  46         (*<code>di3_doubleword): Ditto.
  47         (*one_cmpldi2_doubleword): Ditto.
  48
  49 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
  50
  51         PR middle-end/90779
  52         * gimplify.c: Include omp-offload.h and context.h.
  53         (gimplify_bind_expr): Add "omp declare target" attributes
  54         to static block scope variables inside of target region or target
  55         functions.
  56
  57 2019-06-15  Tom de Vries  <tdevries@suse.de>
  58
  59         PR tree-optimization/90009
  60         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
  61         Return NULL if bb contains IFN_UNIQUE.
  62
  63 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
  64
  65         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
  66         (un): New define_mode_attr.
  67         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
  68         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
  69         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
  70         merge into ...
  71         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
  72
  73 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
  74
  75         * config/darwin.opt: Add RejectNegative where needed, reorder
  76         and add minimal functional descriptions.
  77
  78 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
  79
  80         PR rtl-optimization/90765
  81         * calls.c (update_stack_alignment_for_call): New function.
  82         (expand_call): Call update_stack_alignment_for_call when
  83         outgoing parameter is passed in the stack.
  84         (emit_library_call_value_1): Likewise.
  85         * function.c (locate_and_pad_parm): Don't update
  86         stack_alignment_needed and preferred_stack_boundary.
  87
  88 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
  89
  90         PR target/90877
  91         * config/i386/i386-features.c
  92         (dimode_scalar_chain::compute_convert_gain): Replace
  93         mmxsse_to_integer with sse_to_integer.
  94         * config/i386/i386.c (ix86_register_move_cost): Verify that
  95         moves between MMX and non-MMX units require secondary memory.
  96         Correct costs of moves between SSE and integer units.
  97         * config/i386/i386.h (processor_costs): Rename cost of moving
  98         SSE register to integer to sse_to_integer.  Rename cost of
  99
 100 2019-06-14  Matt Thomas  <matt@3am-software.com>
 101             Matthew Green  <mrg@eterna.com.au>
 102             Nick Hudson  <skrll@netbsd.org>
 103             Maya Rashish  <coypu@sdf.org>
 104             Richard Earnshaw  <rearnsha@arm.com>
 105
 106         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
 107         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
 108         * config/arm/netbsd-eabi.h: New file.
 109         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
 110         redefining.
 111         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
 112         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
 113         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
 114         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
 115
 116 2019-06-14  Richard Biener  <rguenther@suse.de>
 117
 118         * tree-loop-distribution.c (classify_partition): Return
 119         whether a reduction appeared in all partitions and do not
 120         stop builtin detection because of this.
 121         (distribute_loop): Sort a non-builtin partition last if
 122         there's a reduction in all partitions and make sure the
 123         partition prevailing as last is not a builtin.
 124
 125 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
 126
 127         PR ipa/90401
 128         * ipa-prop.c (add_to_agg_contents_list): New function.
 129         (clobber_by_agg_contents_list_p): Likewise.
 130         (extract_mem_content): Likewise.
 131         (get_place_in_agg_contents_list): Delete.
 132         (determine_known_aggregate_parts): Renamed from
 133         determine_locally_known_aggregate_parts.  New parameter
 134         aa_walk_budget_p.
 135
 136 2019-06-13  Martin Sebor  <msebor@redhat.com>
 137
 138         PR tree-optimization/90662
 139         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
 140         to the same type.
 141
 142 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 143
 144         PR bootstrap/90873
 145         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
 146         dbase is not TARGET_MEM_REF.
 147
 148 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 149
 150         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
 151         Update all uses.
 152         (and<mode>3): Use gen_extend_insn instead of indirect functions.
 153         Do not generate DImode extends for 32bit targets.
 154         (and->zext post-reload splitter): Use gen_extend_insn
 155         instead of indirect functions.
 156         (anddi->zext pre-reload splitter): New.
 157         (*zext<mode>_doubleword_and): Remove.
 158         (*zext<mode>_doubleword): Ditto.
 159         (*zextsi_doubleword): Dittto.
 160
 161 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 162
 163         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
 164         Use gen_sub3_insn instead of indirect function.
 165         (ix86_expand_ashl_const): Use gen_add2_insn instead of
 166         indirect function.
 167         (ix86_adjust_counter): Ditto.
 168
 169 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
 170             Lijia He  <helijia@linux.ibm.com>
 171
 172         PR tree-optimization/77820
 173         * tree-ssa-threadedge.c
 174         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
 175         function.
 176         (thread_across_edge): Add call to
 177         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
 178
 179 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
 180
 181         * config/darwin-driver.c (validate_macosx_version_min): New.
 182         (darwin_default_min_version): Cleanup and validate supplied version.
 183         (darwin_driver_init): Likewise and push cleaned version into opts.
 184
 185 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 186
 187         PR tree-optimization/90869
 188         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
 189         converts in MEM_REF referencing decl rather than view converts
 190         from decl type to MEM_REF type.
 191
 192 2019-06-13  Richard Biener  <rguenther@suse.de>
 193
 194         PR tree-optimization/90856
 195         * tree-sra.c (build_ref_for_model): Only use
 196         build_reconstructed_reference when address-spaces are the same.
 197
 198 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 199
 200         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
 201         wrap ei variable name in the declaration in ()s.
 202         (nvptx_single): Actually use mode_label variable.  Formatting fix.
 203
 204 2019-06-13  Richard Biener  <rguenther@suse.de>
 205
 206         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
 207         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
 208         also return the condition stmt.
 209         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
 210         loop we can version and version that, reusing the loop version
 211         created by if-conversion instead of versioning again.
 212
 213 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
 214
 215         * gimple-loop-versioning.cc (prune_loop_conditions): Use
 216         may_contain_p.
 217         * tree-vrp (value_range_base::may_contain_p): Call into
 218         value_inside_range.
 219         (value_inside_range): Make private inside value_range_base class.
 220         Take min/max from *this.
 221         (range_includes_p): Remove.
 222         * tree-vrp.h (value_range_base): Add value_inside_range.
 223         (range_includes_p): Remove.
 224         (range_includes_zero_p): Call may_contain_p.
 225         * vr-values.c (compare_range_with_value): Same.
 226
 227 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
 228
 229         * doc/extend.texi (ARC Function Attributes): Update info.
 230
 231 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
 232
 233         PR tree-optimization/89713
 234         * doc/invoke.texi (-ffinite-loops): Document new option.
 235         * common.opt (-ffinite-loops): New option.
 236         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
 237         IFN_GOACC_LOOP calls as necessary.
 238         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
 239         is finite.
 240         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
 241         IFN_GOACC_LOOP call is not used.
 242         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
 243
 244 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 245
 246         PR target/88838
 247         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
 248         compare_type is not with Pmode size, we will create an IV with
 249         Pmode size with truncated use (i.e. converted to the correct type).
 250         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
 251         (vect_iv_limit_for_full_masking): New. Factored out of
 252         vect_set_loop_condition_masked.
 253         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
 254         (vect_iv_limit_for_full_masking): Declare.
 255
 256 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 257
 258         PR target/88834
 259         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
 260         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
 261         (get_alias_ptr_type_for_ptr_address): Likewise.
 262         (add_iv_candidate_for_use): Add scaled index candidate if useful.
 263         * tree-ssa-address.c (preferred_mem_scale_factor): New.
 264         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
 265         allow_reg_index_p.
 266
 267 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 268
 269         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 270
 271 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 272
 273         * common/config/pru/pru-common.c: New file.
 274         * config.gcc: Add PRU target.
 275         * config/pru/alu-zext.md: New file.
 276         * config/pru/constraints.md: New file.
 277         * config/pru/predicates.md: New file.
 278         * config/pru/pru-opts.h: New file.
 279         * config/pru/pru-passes.c: New file.
 280         * config/pru/pru-pragma.c: New file.
 281         * config/pru/pru-protos.h: New file.
 282         * config/pru/pru.c: New file.
 283         * config/pru/pru.h: New file.
 284         * config/pru/pru.md: New file.
 285         * config/pru/pru.opt: New file.
 286         * config/pru/t-pru: New file.
 287         * doc/extend.texi: Document PRU pragmas.
 288         * doc/invoke.texi: Document PRU-specific options.
 289         * doc/md.texi: Document PRU asm constraints.
 290
 291 2019-06-12  Martin Sebor  <msebor@redhat.com>
 292
 293         PR middle-end/90676
 294         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 295         MEM_REF type in output when different size than operand.
 296         (dump_generic_node): Move code to dump_mem_ref and call it.
 297
 298 2019-06-12  Martin Sebor  <msebor@redhat.com>
 299
 300         PR tree-optimization/90662
 301         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 302         to arrays.
 303
 304 2019-06-12  Tom de Vries  <tdevries@suse.de>
 305
 306         PR tree-optimization/90009
 307         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 308
 309 2019-06-12  Martin Liska  <mliska@suse.cz>
 310
 311         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 312         the created map.
 313         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 314         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 315         Do not sanitize created maps.
 316
 317 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 318
 319         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 320         value_range::singleton_p.
 321         * tree-vrp.c (value_range_constant_singleton): Remove.
 322         * tree-vrp.h (value_range_constant_singleton): Remove.
 323         * vr-values.c (vr_values::singleton): Use
 324         value_range::singleton_p.
 325
 326 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 327
 328         PR target/90811
 329         * cfgexpand.c (align_local_variable): Add really_expand argument,
 330         don't SET_DECL_ALIGN if it is false.
 331         (add_stack_var): Add really_expand argument, pass it through to
 332         align_local_variable.
 333         (expand_one_stack_var_1): Pass true as really_expand to
 334         align_local_variable.
 335         (expand_one_ssa_partition): Pass true as really_expand to
 336         add_stack_var.
 337         (expand_one_var): Pass really_expand through to add_stack_var.
 338
 339 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 340
 341         * config/arm/iterators.md (VABAL): New int iterator.
 342         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 343         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 344         values.
 345
 346 2019-06-12  Martin Liska  <mliska@suse.cz>
 347
 348         * value-prof.c (stream_out_histogram_value): Only first value
 349         can't be negative.
 350
 351 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 352
 353         PR c/90760
 354         * symtab.c (symtab_node::set_section): Allow being called on aliases
 355         as long as they aren't analyzed yet.
 356
 357 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 358
 359         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 360         to `mips_set_text_contents_type' to indicate whether a
 361         non-debug insn follows.
 362
 363 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 364
 365         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 366         enabling -mpcrel by default.
 367         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 368         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 369         that the test against -mcpu=future is done first.  Then test if
 370         -mprefixed-addr is on for -mpcrel.
 371         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 372
 373 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 374
 375         PR target/90811
 376         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 377         instead of and.u%d.
 378
 379 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 380
 381         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 382
 383 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 384
 385         PR c++/90449 - add -Winaccessible-base option.
 386         * doc/invoke.texi (Winaccessible-base): Document.
 387
 388 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 389
 390         PR tree-optimization/62041
 391         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 392
 393 2019-06-11  Jason Merrill  <jason@redhat.com>
 394
 395         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 396         * tree.c (get_tree_code_name): Likewise.
 397         * print-tree.c (print_node): Only briefly print a node with an
 398         invalid code.
 399
 400 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 401
 402         PR bootstrap/90819
 403         * trans-mem.c (tm_memopt_compute_available): Add assertion
 404         that blocks is not empty.  Formatting fix.
 405
 406 2019-06-11  Martin Liska  <mliska@suse.cz>
 407
 408         PR c++/87847
 409         * hash-table.h: Extend create_gcc, add one parameter
 410         that is passed into hash_table::hash_table.
 411
 412 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 413
 414         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 415         New prototype.
 416         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 417         Emit clobber also for non-sse operations.
 418         (ix86_split_fp_absneg_operator): New function.
 419         * config/i386/i386.md (SSEMODEF): New mode iterator.
 420         (ssevecmodef): New mode attribute.
 421         (<code>tf2): Use absneg code iterator.
 422         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 423         Add three-operand AVX alternatives.
 424         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 425         Use absneg code iterator and X87MODEF mode iterator.
 426         (absneg fp_reg non-sse splitter): Call absneg code iterator
 427         and X87MODEF mode iterator.
 428         (absneg general_reg non-sse splitter): Use absneg code iterator
 429         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 430         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 431         code iterator.  Add three-operand AVX alternative.
 432         (absneg sse_reg splitter): Use absneg code iterator
 433         and SSEMODEF mode iterator.  Handle AVX operands.
 434         (absneg fp_reg splitter): Use absneg code iterator
 435         and MODEF mode iterator.
 436         (absneg general_reg splitter): Merge splitters using MODEF mode
 437         iterator.  Use absneg code iterator.  Call
 438         ix86_split_fp_absneg_operator.
 439         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 440         Do not enable for non-sse modes before reload.
 441         (CSGNMODE): Remove.
 442         (CSGNVMODE): Ditto.
 443         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 444         ssevecmodef mode attribute instaed of CSGNVMODE.
 445         (copysign<mode>3_const): Ditto.
 446         (copysign<mode>3_var): Ditto.
 447         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 448         Use absneg code iterator.  Simplify code using std::swap.
 449         * config/i386/predicates.md (absneg_operator): Remove.
 450
 451 2019-06-10  Martin Sebor  <msebor@redhat.com>
 452
 453         * gimple-fold.c (get_range_strlen): Update comment that didn't
 454         make it into r267503 or related commits.
 455
 456 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 457
 458         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 459         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 460
 461 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 462
 463         * tree.def (OMP_SCAN): New tree code.
 464         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 465         OMP_CLAUSE_EXCLUSIVE.
 466         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 467         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 468         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 469         OMP_CLAUSE_{IN,EX}CLUSIVE.
 470         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 471         * tree-nested.c (convert_nonlocal_reference_stmt,
 472         convert_local_reference_stmt, convert_gimple_call): Handle
 473         GIMPLE_OMP_SCAN.
 474         * tree-pretty-print.c (dump_omp_clause): Handle
 475         OMP_CLAUSE_{IN,EX}CLUSIVE.
 476         (dump_generic_node): Handle OMP_SCAN.
 477         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 478         * gimple.h (gomp_scan): New type.
 479         (is_a_helper <gomp_scan *>::test,
 480         is_a_helper <const gomp_scan *>::test): New templates.
 481         (gimple_build_omp_scan): Declare.
 482         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 483         gimple_omp_scan_set_clauses): New inline functions.
 484         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 485         * gimple.c (gimple_build_omp_scan): New function.
 486         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 487         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 488         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 489         GIMPLE_OMP_TASKGROUP.
 490         (dump_gimple_omp_scan): New function.
 491         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 492         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 493         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 494         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 495         (is_gimple_stmt): Handle OMP_SCAN.
 496         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 497         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 498         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 499         mentioned in nested #pragma omp scan.  Handle
 500         OMP_CLAUSE_{IN,EX}CLUSIVE.
 501         (gimplify_expr): Handle OMP_SCAN.
 502         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 503         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 504         simd constructs.
 505         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 506         GIMPLE_OMP_SCAN.
 507
 508 2019-06-10  Martin Liska  <mliska@suse.cz>
 509
 510         * ipa-cp.c (ignore_edge_p): New function.
 511         (build_toporder_info): Use it.
 512         * ipa-inline.c (ignore_edge_p): New function.
 513         (inline_small_functions): Use it.
 514         * ipa-pure-const.c (ignore_edge_for_nothrow):
 515         Verify opt_for_fn for caller and callee.
 516         (ignore_edge_for_pure_const): Likewise.
 517         * ipa-reference.c (ignore_edge_p): Extend to check
 518         for opt_for_fn.
 519         * ipa-utils.c (searchc): Refactor.
 520         * ipa-utils.h: Fix coding style.
 521
 522 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 523
 524         * config/arc/arc.c (arc_rtx_costs): Update costs.
 525
 526 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 527
 528         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 529         (arc_split_ior): Likewise.
 530         (arc_check_mov_const): Likewise.
 531         (arc_split_mov_const): Likewise.
 532         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 533         (arc_rtx_costs): Replace check Crr with Cax constraint.
 534         (prepare_move_operands): Cleanup, remove unused code.
 535         (arc_split_ior): New function.
 536         (arc_check_ior_const): Likewise.
 537         (arc_split_mov_const): Likewise.
 538         (arc_check_mov_const): Likewise.
 539         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 540         in define_insn_and_split pattern.
 541         (iorsi3): Likewise.
 542         (mulsi3_v2): Add new matching variant.
 543         (andsi3_i): Cleanup pattern.
 544         (rotrsi3_cnt1): Update pattern.
 545         (rotrsi3_cnt8): New pattern.
 546         (ashlsi2_cnt8): Likewise.
 547         (ashlsi2_cnt16): Likewise.
 548         * config/arc/constraints.md (C0p): Update constraint.
 549         (Crr): Remove it.
 550         (C0x): New pattern.
 551         (Cax): New pattern.
 552
 553 2019-06-10  Martin Liska  <mliska@suse.cz>
 554
 555         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 556         Update coding style.
 557         (sem_item_optimizer::dump_cong_classes):
 558         Print how many items are in a non-singular class.  Improve
 559         coding style.
 560
 561 2019-06-10  Martin Liska  <mliska@suse.cz>
 562
 563         * value-prof.c (dump_histogram_value): Change dump format.
 564         (gimple_mod_subtract_transform): Remove legacy comment.
 565
 566 2019-06-10  Martin Liska  <mliska@suse.cz>
 567
 568         * value-prof.c (dump_histogram_value): Print histogram values
 569         only if present.
 570
 571 2019-06-10  Martin Liska  <mliska@suse.cz>
 572
 573         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 574         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 575         * ipa-profile.c (ipa_profile_generate_summary):
 576         Use get_most_common_single_value.
 577         * tree-profile.c (gimple_init_gcov_profiler):
 578         Instrument with __gcov_one_value_profiler_v2
 579         and __gcov_indirect_call_profiler_v4.
 580         * value-prof.c (dump_histogram_value):
 581         Print all values for HIST_TYPE_SINGLE_VALUE.
 582         (stream_out_histogram_value): Update assert for
 583         N values.
 584         (stream_in_histogram_value): Set number of
 585         counters for HIST_TYPE_SINGLE_VALUE.
 586         (get_most_common_single_value): New.
 587         (gimple_divmod_fixed_value_transform):
 588         Use get_most_common_single_value.
 589         (gimple_ic_transform): Likewise.
 590         (gimple_stringops_transform): Likewise.
 591         (gimple_find_values_to_profile): Set number
 592         of counters for HIST_TYPE_SINGLE_VALUE.
 593         * value-prof.h (get_most_common_single_value):
 594         New.
 595
 596 2019-06-10  Martin Liska  <mliska@suse.cz>
 597
 598         * hash-map.h: Pass default value to hash_table ctor.
 599         * hash-table.h: Add default value to call of a ctor.
 600
 601 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 602
 603         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 604         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 605
 606 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 607
 608         PR target/90751
 609         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 610         Call pa_output_function_label.
 611         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 612         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 613         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 614         to declaration.
 615         (pa_linux_output_function_prologue): Declare.
 616         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 617         (pa_output_function_label): New.
 618         (pa_output_function_prologue): Revise to use pa_output_function_label.
 619         (pa_linux_output_function_prologue): New.
 620         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 621
 622 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 623
 624         * tree-vrp.h (value_range_base::intersect): New.
 625         (value_range::intersect_helper): Move from here...
 626         (value_range_base::intersect_helper): ...to here.
 627         * tree-vrp.c (value_range::intersect_helper): Rename to...
 628         (value_range_base::intersect_helper): ...this, and rewrite to
 629         return a value instead of modifying THIS in place.
 630         Also, move equivalence handling...
 631         (value_range::intersect): ...here, while calling intersect_helper.
 632         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 633         calling intersect.
 634         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 635         Same.
 636         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 637
 638 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 639
 640         * Makefile.in (genprogerr): Add condmd.
 641         (genprog): Remove it here.
 642
 643 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 644
 645         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 646
 647 2019-06-07  Richard Biener  <rguenther@suse.de>
 648
 649         PR debug/90574
 650         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 651         that appear after user labels.
 652
 653 2019-06-07  Martin Liska  <mliska@suse.cz>
 654
 655         * cselib.c (cselib_init): Disable hash table
 656         sanitization.
 657         * hash-set.h: Pass new default argument to m_table.
 658         * hash-table.c: Add global variable with hash table
 659         sanitization limit.
 660         * hash-table.h (Allocator>::hash_table): Add new argument
 661         to ctor.
 662         (hashtab_chk_error): New.
 663         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 664         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 665         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 666
 667 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 668
 669         * common.opt (flto-odr-type-merging): Ignore.
 670         * invoke.texi (-flto-odr-type-merging): Remove.
 671         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 672         (can_be_vtable_hashed_p): Remove.
 673         (hash_odr_vtable): Remove.
 674         (odr_vtable_hasher::hash): Remove.
 675         (types_same_for_odr): Remove.
 676         (types_odr_comparable): Remove.
 677         (odr_vtable_hasher::equal): Remove.
 678         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 679         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 680         (get_odr_type): Do not use vtable hash.
 681         (dump_odr_type): Remove commented out code.
 682         (build_type_inheritance_graph): Do not allocate vtable hash.
 683         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 684         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 685         (odr_type_p): Likewise.
 686         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 687         test.
 688
 689 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 690
 691         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 692         immediately after same_types_for_tbaa_p returns -1 and continue
 693         looking for possible exact match; if matching types are arrays
 694         watch for partial overlaps.
 695         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 696         (indirect_refs_may_alias_p): Do type based disambiguation first;
 697         update comment.
 698
 699 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 700
 701         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 702
 703 2019-06-07  Martin Liska  <mliska@suse.cz>
 704
 705         * doc/invoke.texi: Remove param.
 706         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 707         Remove.
 708         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 709         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 710         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 711         * profile.c (instrument_values): Remove
 712         HIST_TYPE_INDIR_CALL_TOPN.
 713         * tree-profile.c (init_ic_make_global_vars):
 714         Always build __gcov_indirect_call only.
 715         (gimple_init_gcov_profiler): Remove usage
 716         of PARAM_INDIR_CALL_TOPN_PROFILE.
 717         (gimple_gen_ic_profiler): Likewise.
 718         * value-prof.c (dump_histogram_value): Likewise.
 719         (stream_in_histogram_value): Likewise.
 720         (gimple_indirect_call_to_profile): Likewise.
 721         (gimple_find_values_to_profile): Likewise.
 722         * value-prof.h (enum hist_type): Likewise.
 723
 724 2019-06-07  Martin Liska  <mliska@suse.cz>
 725
 726         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 727         function.
 728
 729 2019-06-07  Martin Liska  <mliska@suse.cz>
 730
 731         PR tree-optimization/78902
 732         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 733         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 734         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 735         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 736         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 737         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 738         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 739         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 740         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 741         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 742         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 743         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 744         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 745         New.
 746         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 747         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 748         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 749         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 750         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 751         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 752         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 753         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 754         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 755         warn_unused_result attribute.
 756         (BUILT_IN_STRDUP): Likewise.
 757         (BUILT_IN_STRNDUP): Likewise.
 758         (BUILT_IN_ALLOCA): Likewise.
 759         (BUILT_IN_CALLOC): Likewise.
 760         (BUILT_IN_MALLOC): Likewise.
 761         (BUILT_IN_REALLOC): Likewise.
 762
 763 2019-06-06  Jim Wilson  <jimw@sifive.com>
 764
 765         PR target/89955
 766         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 767         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 768         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 769
 770 2019-06-06  Martin Sebor  <msebor@redhat.com>
 771
 772         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 773         (handle_builtin_malloc): Remove trailing spaces.
 774         (handle_builtin_memset): Same.
 775         (handle_builtin_memcmp): Same.
 776         (compute_string_length): Same.
 777         (determine_min_objsize): Same.
 778         (handle_builtin_string_cmp): Same.
 779         (handle_char_store): Same.  Break up excessively long line.
 780
 781 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 782
 783         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 784         check.
 785
 786 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 787
 788         * tree-sra.c (struct access): New field grp_same_access_path.
 789         (dump_access): Dump it.
 790         (build_reconstructed_reference): New function.
 791         (build_ref_for_model): Use it if possible.
 792         (path_comparable_for_same_access): New function.
 793         (same_access_path_p): Likewise.
 794         (sort_and_splice_var_accesses): Set the new flag.
 795         (analyze_access_subtree): Likewise.
 796         (propagate_subaccesses_across_link): Propagate zero value of the new
 797         flag down the access tree.
 798
 799 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 800
 801         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 802         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 803         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 804         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 805         Add gfx906.
 806
 807 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 808
 809         PR tree-optimization/90332
 810         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 811         Handle VALS containing two vectors.
 812         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 813         to...
 814         (@aarch64_combinez<mode>): ... This.
 815         (*aarch64_combinez_be<mode>): Rename to...
 816         (@aarch64_combinez_be<mode>): ... This.
 817         (vec_init<mode><Vhalf>): New define_expand.
 818         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 819
 820 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 821
 822         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 823         library functions only when not optimizing for size.
 824         (ashlsi3): Likewise.
 825         (ashrhi3): Likewise.
 826         (ashrsi3): Likewise.
 827         (lshrhi3): Likewise.
 828         (lshrsi3): Likewise.
 829
 830 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 831
 832         PR rtl-optimization/88751
 833         * ira.c (ira): Use the number of the actually referenced registers
 834         when calculating the threshold.
 835
 836 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 837
 838         * configure: Regenerate.
 839
 840 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 841
 842         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 843         register if it is in memory, so the shift can be emulated with a rotate
 844         instruction.
 845         (ashrhi3): Likewise.
 846         (lshrhi3): Likewise.
 847
 848 2019-06-06  Martin Liska  <mliska@suse.cz>
 849
 850         PR tree-optimization/87954
 851         * match.pd: Simplify mult where both arguments are 0 or 1.
 852
 853 2019-06-06  Richard Biener  <rguenther@suse.de>
 854
 855         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 856         put equivalences on UNDEFINED ranges.
 857         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 858         Make sure to drop defs of stmts added during simplification
 859         to VARYING.
 860
 861 2019-06-06  Richard Biener  <rguenther@suse.de>
 862
 863         * tree-ssa-structalias.c: Include tree-cfg.h.
 864         (make_heapvar): Do not make heap vars artificial.
 865         (find_func_aliases_for_builtin_call): Handle stack allocation
 866         functions.
 867         (find_func_aliases): Delay processing of simple enough returns
 868         in non-IPA mode.
 869         (set_uids_in_ptset): Adjust.
 870         (find_what_var_points_to): Likewise.
 871         (solve_constraints): Do not dump points-to sets here.
 872         (compute_points_to_sets): Post-process return statements,
 873         amending the escaped solution.  Dump points-to sets afterwards.
 874         (ipa_pta_execute): Dump points-to sets.
 875
 876 2019-06-06  Martin Liska  <mliska@suse.cz>
 877
 878         PR web/87933
 879         * doc/install.texi: Fix HTML headers and
 880         titles for 'Installing GCC' pages.
 881
 882 2019-06-06  Martin Liska  <mliska@suse.cz>
 883
 884         * ipa-icf-gimple.h (dump_message_1): Remove.
 885         (dump_message): Likewise.
 886         (return_false_with_message_1): Print also file.
 887         (return_false_with_msg): Likewise.
 888         (return_with_result): Likewise.
 889         (return_with_debug): Likewise.
 890         * ipa-icf.c (sem_function::equals_private): Remove call
 891         to dump_message.
 892
 893 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 894
 895         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 896         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 897         memory operand for it.
 898         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 899
 900 2019-06-05  Martin Sebor  <msebor@redhat.com>
 901
 902         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 903         Adjust quoting and hyphenation.
 904         * convert.c (convert_to_real_1): Same.
 905         * gcc.c (driver_wrong_lang_callback): Same.
 906         (driver::handle_unrecognized_options): Same.
 907         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 908         * opts-common.c (cmdline_handle_error): Same.
 909         (read_cmdline_option): Same.
 910         * opts-global.c (complain_wrong_lang): Same.
 911         (print_ignored_options): Same.
 912         (handle_common_deferred_options): Same.
 913         * pretty-print.h: Same.
 914         * print-rtl.c (debug_bb_n_slim): Same.
 915         * sched-rgn.c (make_pass_sched_fusion): Same.
 916         * tree-cfg.c (verify_gimple_assign_unary): Same.
 917         (verify_gimple_label): Same.
 918         * tree-ssa-operands.c (verify_ssa_operands): Same.
 919         * varasm.c (do_assemble_alias): Same.
 920         (assemble_alias): Same.
 921
 922 2019-06-05  Richard Henderson  <rth@twiddle.net>
 923
 924         * config/alpha/alpha.c (direct_return): Move down after
 925         struct machine_function definition; use saved frame_size;
 926         return bool.
 927         (struct machine_function): Add sa_mask, sa_size, frame_size.
 928         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 929         (alpha_compute_frame_layout): ... new function.
 930         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 931         (alpha_initial_elimination_offset): Use saved sa_size.
 932         (alpha_vms_initial_elimination_offset): Likewise.
 933         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 934         (alpha_expand_prologue): Use saved frame data.  Merge integer
 935         and fp register save loops.
 936         (alpha_expand_epilogue): Likewise.
 937         (alpha_start_function): Use saved frame data.
 938         * config/alpha/alpha-protos.h (direct_return): Update.
 939         (alpha_sa_size): Remove.
 940
 941 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 942
 943         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 944         multiplication by a power-of-two value.
 945         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 946         and turn the modulo operation into a masking operation.
 947
 948 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 949
 950         PR debug/90733
 951         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 952         with VOIDmode inner operands.
 953
 954 2019-06-05  Richard Biener  <rguenther@suse.de>
 955
 956         PR middle-end/90726
 957         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 958         turn an expression graph into a tree.
 959
 960 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 961
 962         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 963         member.
 964         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 965         treat it like explicit monotonic schedule modifier.
 966         (expand_omp_for): Initialize has_lastprivate_conditional.
 967         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 968         schedule modifier.
 969
 970         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 971         references, lookup in in hash map MEM_REF operand instead of the
 972         MEM_REF itself.
 973         (lower_omp_1): When looking for lastprivate conditional assignments,
 974         handle MEM_REFs with REFERENCE_TYPE operands.
 975
 976         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
 977         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
 978         and references a VLA.  Handle references to non-VLAs if is_simd
 979         all privatization clauses like reductions.
 980         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
 981         If omp_is_reference, use always omp simd arrays and set
 982         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
 983         fails, emit reference initialization.
 984
 985 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 986
 987         PR target/89803
 988         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
 989         _mm_mask_fpclass_sd_mask): New intrinsics.
 990         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
 991         * config/i386/i386-builtin.def
 992         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
 993         New builtins.
 994         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
 995         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
 996         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
 997         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
 998         case QI_FTYPE_V2SF_INT): Ditto.
 999         * config/i386/sse.md
1000         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
1001         Extended to insnstructions with mask operands.
1002
1003 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1004
1005         * config/rs6000/constraints.md (define_register_constraint "wp"):
1006         Delete.
1007         (define_register_constraint "wq"): Delete.
1008         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1009         (rs6000_init_hard_regno_mode_ok): Adjust.
1010         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1011         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
1012         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
1013         (define_mode_attr VSa): Delete.
1014         (define_mode_attr VSisa): New.
1015         (rest of file): Adjust.
1016         * doc/md.texi (Machine Constraints): Adjust.
1017
1018 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1019
1020         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
1021         (define_attr "enabled"): Handle those new isa values.
1022
1023 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1024
1025         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
1026         (define_mode_attr VSr5): Delete.
1027         (define_mode_attr VStype_sqrt): Delete.
1028         (define_mode_iterator VSX_SPDP): Delete.
1029         (define_mode_attr VS_spdp_res): Delete.
1030         (define_mode_attr VS_spdp_insn): Delete.
1031         (define_mode_attr VS_spdp_type): Delete.
1032         (*vsx_sqrt<mode>2): Adjust.
1033         (vsx_<VS_spdp_insn>): Delete, split to...
1034         (vsx_xscvdpsp): ... this.  New.  And...
1035         (vsx_xvcvspdp): ... this.  New.  And...
1036         (vsx_xvcvdpsp): ... this.  New.
1037
1038 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1039
1040         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
1041         and V2DF.
1042         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
1043         (rest of file): Adjust.
1044
1045 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1046
1047         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
1048         (vsx_extract_<mode>_var): Ditto.
1049
1050 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1051
1052         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
1053         with just "wa".
1054
1055 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1056
1057         * config/rs6000/constraints.md (define_register_constraint "ww"):
1058         Delete.
1059         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1060         (rs6000_init_hard_regno_mode_ok): Adjust.
1061         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1062         RS6000_CONSTRAINT_ww.
1063         * config/rs6000/rs6000.md: Adjust.
1064         * config/rs6000/vsx.md: Adjust.
1065         * doc/md.texi (Machine Constraints): Adjust.
1066
1067 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1068
1069         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
1070         (define_mode_attr sd): New.
1071         (define_mode_attr s): New.
1072         (define_mode_attr Ftrad): Delete.
1073         (define_mode_attr Fvsx): Delete.
1074         (define_mode_attr Fs): Delete.
1075         (rest of file): Use the new mode attributes.
1076         * config.rs6000/vsx.md: Use the new mode attributes.
1077
1078 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1079
1080         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
1081         with just "wa".
1082
1083 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1084
1085         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
1086         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
1087         used with VSX_B, VSX_D, or VSX_F, with just "wa".
1088
1089 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
1090
1091         PR target/78263
1092         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
1093         C++ with strict ANSI requirements.
1094
1095 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
1096
1097         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
1098         computations when step is 1.
1099
1100 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1101
1102         * config/rs6000/constraints.md (define_register_constraint "wf"):
1103         Delete.
1104         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1105         (rs6000_init_hard_regno_mode_ok): Adjust.
1106         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1107         RS6000_CONSTRAINT_wf.
1108         * config/rs6000/rs6000.md: Adjust.
1109         * config/rs6000/vsx.md: Adjust.
1110         * doc/md.texi (Machine Constraints): Adjust.
1111
1112 2019-06-04  Andrew Pinski  <apinski@marvell.com>
1113
1114         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
1115         Fix ILP32 value.
1116
1117 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1118
1119         * config/rs6000/constraints.md (define_register_constraint "wd"):
1120         Delete.
1121         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1122         (rs6000_init_hard_regno_mode_ok): Adjust.
1123         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1124         RS6000_CONSTRAINT_wd.
1125         * config/rs6000/rs6000.md: Adjust.
1126         * config/rs6000/vsx.md: Adjust.
1127         * doc/md.texi (Machine Constraints): Adjust.
1128
1129 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1130
1131         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
1132         (rest of file): Adjust.
1133
1134 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1135
1136         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
1137         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
1138         (vsx_splat_<mode>_reg): Adjust.
1139
1140 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1141
1142         * config/rs6000/constraints.md (define_register_constraint "ws"):
1143         Delete.
1144         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1145         (rs6000_init_hard_regno_mode_ok): Adjust.
1146         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1147         RS6000_CONSTRAINT_ws.
1148         * config/rs6000/rs6000.md: Adjust.
1149         * config/rs6000/vsx.md: Adjust.
1150         * doc/md.texi (Machine Constraints): Adjust.
1151
1152 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1153
1154         * config/rs6000/constraints.md (define_register_constraint "wv"):
1155         Delete.
1156         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1157         (rs6000_init_hard_regno_mode_ok): Adjust.
1158         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1159         RS6000_CONSTRAINT_wv.
1160         * config/rs6000/rs6000.md: Adjust.
1161         * config/rs6000/vsx.md: Adjust.
1162         * doc/md.texi (Machine Constraints): Adjust.
1163
1164 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1165
1166         * config/rs6000/constraints.md (define_register_constraint "wi"):
1167         Delete.
1168         (define_register_constraint "wt"): Delete.
1169         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1170         (rs6000_init_hard_regno_mode_ok): Adjust.
1171         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1172         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1173         * config/rs6000/rs6000.md: Adjust.
1174         * config/rs6000/vsx.md: Adjust.
1175         * doc/md.texi (Machine Constraints): Adjust.
1176
1177 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1178
1179         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1180         const.
1181         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1182         default_elf_asm_output_external.
1183
1184 2019-06-04  Martin Liska  <mliska@suse.cz>
1185
1186         * ipa-icf.c (INCLUDE_LIST): Remove.
1187         (sem_item_optimizer::execute): Remove call to init_wpa.
1188         * ipa-icf.h (init_wpa): Remove.
1189
1190 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1191
1192         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1193         conditional on combined for simd.
1194         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1195         member.
1196         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1197         constructs, don't remove lastprivate_conditional_map, but instead set
1198         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1199         to parent construct temporaries.
1200         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1201         like !ctx->lastprivate_conditional_map.
1202         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1203         use up->outer context instead of up.
1204         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1205         gimple_omp_for_combined_p.
1206         (expand_omp_for_static_nochunk): Likewise.
1207         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1208         probably moved over into expand_omp_for_generic rather than being copied
1209         there.
1210
1211 2019-06-04  Martin Liska  <mliska@suse.cz>
1212
1213         * value-prof.c (dump_histogram_value): Fix typo.
1214         (gimple_mod_subtract_transform): Likewise.
1215
1216 2019-06-04  Richard Biener  <rguenther@suse.de>
1217
1218         PR middle-end/90726
1219         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1220         (tree_contains_chrecs): Likewise.
1221         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1222         exponential behaivor from ...
1223         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1224         ... here.
1225         (expression_expensive_p): Avoid exponential behavior and compute
1226         expanded size, rejecting any expansion.
1227         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1228         (idx_contains_abnormal_ssa_name_p): Likewise.
1229         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1230         (contains_abnormal_ssa_name_p): Simplify and use
1231         walk_tree_without_duplicates.
1232
1233 2019-06-04  Richard Biener  <rguenther@suse.de>
1234
1235         PR tree-optimization/90738
1236         Revert
1237         2019-06-03  Richard Biener  <rguenther@suse.de>
1238
1239         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1240         full reference tree and record in ref->ref.
1241         (vn_reference_lookup_3): Pass in original ref to
1242         ao_ref_init_from_vn_reference.
1243         (vn_reference_lookup): Likewise.
1244         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1245         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1246         Handle non-decl bases in the original reference.
1247
1248 2019-06-04  Martin Liska  <mliska@suse.cz>
1249
1250         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1251         number of references.
1252         (sem_item_optimizer::do_congruence_step):
1253         (sem_item_optimizer::worklist_push): Dump how references
1254         a class has.
1255         (sem_item_optimizer::worklist_pop): Use heap.
1256         (sem_item_optimizer::process_cong_reduction): Likewise.
1257         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1258
1259 2019-06-04  Martin Liska  <mliska@suse.cz>
1260
1261         * ipa-icf.h (struct sem_usage_pair_hash): New.
1262         (sem_usage_pair_hash::hash): Likewise.
1263         (sem_usage_pair_hash::equal): Likewise.
1264         (struct sem_usage_hash): Likewise.
1265         * ipa-icf.c (sem_item::sem_item): Initialize
1266         referenced_by_count.
1267         (sem_item::add_reference): Register a reference
1268         in ref_map and not in target->usages.
1269         (sem_item::setup): Remove initialization of
1270         dead vectors.
1271         (sem_item::~sem_item): Remove usage of dead vectors.
1272         (sem_item::dump): Remove dump of references.
1273         (sem_item_optimizer::sem_item_optimizer): Initialize
1274         m_references.
1275         (sem_item_optimizer::read_section): Remove useless
1276         dump.
1277         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1278         (sem_item_optimizer::build_graph): Pass m_references
1279         to ::add_reference.
1280         (sem_item_optimizer::verify_classes): Remove usage of dead
1281         vectors.
1282         (sem_item_optimizer::traverse_congruence_split): Return true
1283         when a class is split.
1284         (sem_item_optimizer::do_congruence_step_for_index): Use
1285         hash_map for look up of (sem_item *, index). That brings
1286         significant speed up.
1287         (sem_item_optimizer::do_congruence_step): Return true
1288         when a split is done.
1289         (congruence_class::is_class_used): Use referenced_by_count.
1290
1291 2019-06-04  Alan Modra  <amodra@gmail.com>
1292
1293         PR target/90689
1294         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1295         error.
1296
1297 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1298
1299         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1300         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1301         (rs6000_secondary_reload_simple_move): Adjust.
1302         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1303         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1304         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1305         comment.
1306         (power6x): Adjust.
1307         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1308         (floatunssi<mode>2_lfiwzx): Adjust.
1309         (fix_trunc<mode>si2_stfiwx): Adjust.
1310         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1311         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1312         (mfpgpr): Mark as deprecated.
1313         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1314         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1315         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1316
1317 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1318
1319         * config/rs6000/constraints.md (define_register_constraint "wg"):
1320         Delete.
1321         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1322         RS6000_CONSTRAINT_wg.
1323         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1324         (rs6000_init_hard_regno_mode_ok): Adjust.
1325         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1326         Delete "wg" alternatives.
1327         * doc/md.texi (Machine Constraints): Adjust.
1328
1329 2019-06-03  Alan Modra  <amodra@gmail.com>
1330
1331         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1332         (get_uncond_jump_length): Assert length less than INT_MAX and
1333         non-negative.
1334
1335 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1336
1337         PR middle-end/64242
1338         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1339         block.
1340         (expand_builtin_nonlocal_goto): Likewise.
1341
1342 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1343
1344         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1345         (aarch64_asm_output_external): Declare.
1346         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1347         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1348         (aarch64_asm_output_alias): New.
1349         (aarch64_asm_output_external): New.
1350         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1351         (ASM_OUTPUT_EXTERNAL): Define.
1352
1353 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1354         * tree-vrp.h (value_range_base::nonzero_p): New.
1355         (value_range_base::set_nonnull): Rename to...
1356         (value_range_base::set_nonzero): ...this.
1357         (value_range_base::set_null): Rename to...
1358         (value_range_base::set_zero): ...this.
1359         (value_range::set_nonnull): Remove.
1360         (value_range::set_null): Remove.
1361         * tree-vrp.c (range_is_null): Remove.
1362         (range_is_nonnull): Remove.
1363         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1364         instead of range_is_*null.
1365         (extract_range_from_unary_expr): Same.
1366         (value_range_base::set_nonnull): Rename to...
1367         (value_range_base::set_nonzero): ...this.
1368         (value_range::set_nonnull): Remove.
1369         (value_range_base::set_null): Rename to...
1370         (value_range_base::set_zero): ...this.
1371         (value_range::set_null): Remove.
1372         (extract_range_from_binary_expr): Rename set_*null uses to
1373         set_*zero.
1374         (extract_range_from_unary_expr): Same.
1375         (union_helper): Same.
1376         * vr-values.c (get_value_range): Use set_*zero instead of
1377         set_*null.
1378         (vr_values::extract_range_from_binary_expr): Same.
1379         (vr_values::extract_range_basic): Same.
1380
1381 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1382
1383         PR driver/90684
1384         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1385
1386 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1387
1388         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1389         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1390         (aarch64_<su>abd<mode>_3): ... This.
1391         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1392
1393 2019-06-03  Richard Biener  <rguenther@suse.de>
1394
1395         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1396         full reference tree and record in ref->ref.
1397         (vn_reference_lookup_3): Pass in original ref to
1398         ao_ref_init_from_vn_reference.
1399         (vn_reference_lookup): Likewise.
1400         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1401         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1402         Handle non-decl bases in the original reference.
1403
1404 2019-06-03  Martin Liska  <mliska@suse.cz>
1405
1406         * doc/generic.texi: Remove Java Trees.
1407
1408 2019-06-03  Martin Liska  <mliska@suse.cz>
1409
1410         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1411         returns 0 when operands are equal.
1412
1413 2019-06-03  Richard Biener  <rguenther@suse.de>
1414
1415         PR tree-optimization/90716
1416         * tree-loop-distribution.c (destroy_loop): Process blocks in
1417         correct order.
1418
1419 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1420
1421         PR target/88837
1422         * vector-builder.h (vector_builder::count_dups): New method.
1423         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1424         Declare prototype.
1425         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1426         (vec_init<mode><Vel>): New pattern.
1427         * config/aarch64/aarch64.c (emit_insr): New function.
1428         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1429         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1430         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1431         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1432
1433 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1434
1435         PR tree-optimization/90681
1436         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1437         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1438         special case for SLP, but fail on non-groupped loads.
1439
1440 2019-06-03  Martin Liska  <mliska@suse.cz>
1441
1442         * cfg.c (debug): Use TDF_DETAILS for debug and
1443         print edge info only once.
1444
1445 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1446
1447         PR fortran/90539
1448         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1449
1450 2019-06-01  Martin Sebor  <msebor@redhat.com>
1451
1452         PR middle-end/90694
1453         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1454
1455 2019-05-31  Jan Hubicka  <jh@suse.cz>
1456
1457         * alias.c: Include ipa-utils.h.
1458         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1459         * ipa-devirt.c (prevailing_odr_type): New.
1460         * ipa-utils.h (previaling_odr_type): Declare.
1461
1462 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1463             Hongtao Liu  <hongtao.liu@intel.com>
1464
1465         PR target/89355
1466         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1467         NOTE_INSN_DELETED_LABEL check.
1468
1469 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1470             Robert Suchanek  <robert.suchanek@mips.com>
1471
1472         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1473         and 3rd operands of the fmadd/fmsub/maddv builtin.
1474
1475 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1476
1477         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1478         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1479         on OMP_SIMD if not nested inside of worksharing loop that also has
1480         lastprivate conditional clause for the same decl.
1481         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1482         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1483         on simd.
1484         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1485         on simd construct.
1486         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1487         on simd construct.
1488         (lower_lastprivate_clauses): Likewise.
1489         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1490         calling lower_rec_input_clauses.
1491         (lower_omp_for): Likewise.
1492         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1493         clause on simd construct.
1494         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1495         OMP_CLAUSE__CONDTEMP_ clause is present.
1496
1497         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1498         ivar and lvar.
1499
1500 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1501
1502         PR c/43673
1503         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1504         TEX_D32, TEX_D64 or TEX_D128.
1505
1506 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1507
1508         * match.pd (~(vec?cst1:cst2)): New transformation.
1509
1510 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1511
1512         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1513         ((size_t)(A /[ex] B) CMP C): New transformation.
1514
1515 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1516
1517         * doc/md.texi: Document define_insn_and_rewrite.
1518         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1519         * gensupport.c (queue_elem): Update comment.
1520         (replace_operands_with_dups): New function.
1521         (gen_rewrite_sequence): Likewise.
1522         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1523         * read-rtl.c (apply_subst_iterator): Likewise.
1524         (add_condition_to_rtx, named_rtx_p): Likewise.
1525         (rtx_reader::read_rtx_operand): Likewise.
1526         * config/aarch64/aarch64-sve.md
1527         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1528         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1529         define_insn_and_rewrite.
1530         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1531         Remove separate define_split.
1532
1533 2019-05-31  Jan Hubicka  <jh@suse.cz>
1534
1535         * tree-ssa-alias.c (type_has_components_p): New function.
1536         (aliasing_component_refs_p): Use it.
1537
1538 2019-05-31  Martin Liska  <mliska@suse.cz>
1539
1540         * gdbhooks.py: Add const_tree to TreePrinter.
1541
1542 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1543
1544         PR debug/86964
1545         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1546         * doc/invoke.texi (Debugging Options): Document new default of
1547         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1548
1549 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR tree-optimization/90671
1552         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1553         template_block used to be empty on the first call, don't use
1554         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1555         seq with bb_seq and set it with set_bb_seq.
1556
1557 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1558
1559         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1560
1561 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1562             Michael Meissner  <meissner@linux.ibm.com>
1563
1564         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1565         (prefixed_mem_operand): Likewise.
1566         (non_prefixed_mem_operand): Likewise.
1567         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1568         prototype.
1569         * config/rs6000/rs6000.c (print_operand_address): Handle
1570         PC-relative addresses.
1571         (mode_supports_prefixed_address_p): New function.
1572         (rs6000_prefixed_address): New function.
1573         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1574         (SYMBOL_REF_PCREL_P): Likewise.
1575
1576 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1577
1578         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1579         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1580         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1581         is nested inside of parallel region, add _condtemp_ clause to both.
1582         * tree-nested.c (convert_nonlocal_omp_clauses,
1583         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1584         assertion failure.
1585         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1586         member.
1587         * omp-general.c (omp_extract_for_data): Compute it.
1588         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1589         (lower_rec_input_clauses): Likewise.
1590         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1591         clause is already present, just add one further one after it.
1592         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1593         (lower_send_shared_vars): Clear _condtemp_ vars.
1594         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1595         or section or taskgroup.
1596         * omp-expand.c (determine_parallel_type): Disallow combining only if
1597         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1598         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1599         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1600         expand_omp_for_static_chunk, expand_omp_for): Use
1601         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1602         determine if a special set of API routines are needed and if condtemp
1603         needs to be initialized, while always initialize cond_var if
1604         fd->lastprivate_conditional is non-zero.
1605
1606 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1607             Michael Meissner  <meissner@linux.ibm.com>
1608
1609         * config/rs6000/constraints.md (eI): New constraint.
1610         * config/rs6000/predicates.md (cint34_operand): New predicate.
1611         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1612         (SIGNED_34BIT_OFFSET_P): Likewise.
1613         * doc/md.texi (eI): Document constraint.
1614
1615 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1616
1617         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1618
1619 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1620             Michael Meissner  <meissner@linux.ibm.com>
1621
1622         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1623         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1624         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1625         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1626         (OTHER_FUTURE_MASKS): Likewise.
1627         (POWERPC_MASKS): Likewise.
1628         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1629         specified without -mprefixed-addr or -mcpu=future.  Error if
1630         -mprefixed-addr is specified without -mcpu=future.
1631         (rs6000_opt_masks): Add entry for prefixed-addr.
1632         * rs6000.opt (mprefixed-addr): New option.
1633
1634 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1635
1636         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1637         cfun->is_thunk check.
1638
1639 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1640
1641         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1642         to length.
1643
1644 2019-05-30  Martin Liska  <mliska@suse.cz>
1645
1646         * gdbinit.in: Fix 'ptc' command.  Add trt
1647         that prints TREE_TYPE($).
1648
1649 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1650             Alan Modra  <amodra@gmail.com>
1651
1652         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1653         calls here...
1654         (rs6000_indirect_call_template_1): ...and here.
1655         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1656         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1657         rs6000_pltseq_enum.
1658         (rs6000_decl_ok_for_sibcall): New function.
1659         (rs6000_function_ok_for_sibcall): Refactor.
1660         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1661         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1662         when pcrel.  Reorganize.
1663         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1664         * rs6000.h (rs6000_pltseq_enum): New enum.
1665         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1666         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1667         (*pltseq_plt16_ha): Likewise.
1668         (*pltseq_plt16_lo): Likewise.
1669         (*pltseq_mtctr): Likewise.
1670         (*pltseq_plt_pcrel): New insn.
1671         (*call_local_aix): Handle @notoc calls.
1672         (*call_value_local_aix): Likewise.
1673         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1674         (*call_value_nonlocal_aix): Likewise.
1675         (*call_indirect_pcrel): New insn.
1676         (*call_value_indirect_pcrel): Likewise.
1677
1678
1679 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1680
1681         * config/i386/sse.md (*save_multiple<mode>): Rename from
1682         save_multiple<mode>.
1683         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1684         (*restore_multiple_and_return<mode>): Rename from
1685         restore_multiple_and_return<mode>.
1686         (*restore_multiple_leave_return<mode>): Rename from
1687         restore_multiple_leave_return<mode>.
1688
1689 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1690
1691         * config.gcc (rx-*-linux*): New target.
1692         * config/rx/elf.opt: New file.
1693         * config/rx/linux.h: Likewise.
1694         * config/rx/t-linux: Likewise.
1695         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1696         make it zero.
1697         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1698         (ASM_APP_OFF): Likewise.
1699         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1700         moved elsewhere.
1701
1702 2019-05-29  Jan Hubicka  <jh@suse.cz>
1703
1704         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1705         variants are pointer equivalent.
1706
1707 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1708
1709         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1710         * config/aarch64/aarch64-sve2.md: New file.
1711         (<u>avg<mode>3_floor): New pattern.
1712         (<u>avg<mode>3_ceil): Likewise.
1713         (*<sur>h<addsub><mode>): Likewise.
1714         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1715         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1716
1717 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR bootstrap/90543
1720         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1721         for var_opt_string printing.  In cl_optimization_print_diff, print
1722         (null) instead of invoking undefined behavior if one of the
1723         var_opt_string pointers is NULL and use && instead of first || in the
1724         guarding condition.  For var_target_other options, handle const char *
1725         target variables similarly to const char * optimize node variables.
1726
1727 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1728
1729         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1730         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1731         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1732         Add autib1716 and pacib1716 initialisation.
1733         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1734         for autib1716 and pacib1716.
1735         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1736         aarch64_post_cfi_startproc): Define.
1737         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1738         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1739         aarch64_handle_pac_ret_protection): Set default sign key to A.
1740         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1741         aarch64_expand_prologue): Add check for b-key.
1742         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1743         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1744         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1745         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1746         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1747         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1748         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1749         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1750         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1751         pauth_hint_num_a with pauth_hint_num.
1752         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1753         pauth_hint_num_a with pauth_hint_num.
1754         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1755         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1756         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1757         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1758         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1759         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1760         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1761         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1762         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1763         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1764         UNSPEC_AUTIA1716 respectively.
1765         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1766         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1767         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1768         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1769         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1770
1771 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1772
1773         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1774         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1775         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1776         explicit clause on combined parallel into implicit shared clause.
1777         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1778         and firstprivate if the decl has one too from combined parallel to
1779         the worksharing construct.
1780
1781 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1782             Michael Meissner  <meissner@linux.ibm.com>
1783
1784         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1785
1786 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1787
1788         * rtl.h (LABEL_REF_P): New #define.
1789
1790 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1791
1792         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1793
1794 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1795
1796         * internal-fn.c: Marked mask_load_direct as vectorizable.
1797         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1798         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1799         combined even if masks different with allow_slp_p param.
1800         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1801         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1802         dissolve SLP-only vectorizable groups when SLP has been discarded.
1803         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1804         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1805         masks.
1806         (vect_build_slp_tree_1): Fixed comment typo.
1807         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1808         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1809         loads for SLP only.
1810         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1811         vectorizable.
1812         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1813
1814 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1815
1816         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1817         Remove obsolete use_thunk reference.
1818         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1819         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1820         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1821         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1822         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1823         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1824         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1825         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1826         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1827
1828 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1829
1830         * tree.h (IDENTIFIER_ANON_P): New.
1831         (anon_aggrname_format, anon_aggname_p): Don't declare.
1832         (make_anon_name): Declare.
1833         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1834         (hash_tree): Likewise.
1835         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1836         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1837         (anon_cnt, make_anon_name): New.
1838
1839 2019-05-28  Martin Liska  <mliska@suse.cz>
1840
1841         PR other/90315
1842         * opts-global.c (decode_options): Print help for all
1843         help_option_arguments.
1844         * opts.c (print_help): Add new argument.
1845         (common_handle_option): Remember all values into
1846         help_option_arguments.
1847         * opts.h (print_help): Add new argument.
1848
1849 2019-05-28  Martin Liska  <mliska@suse.cz>
1850
1851         PR ipa/90555
1852         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1853         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1854         (func_checker::compare_bb): Call compare_loops.
1855
1856 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1857
1858         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1859         on sections construct.
1860         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1861         construct.
1862         (lower_omp_sections): Handle lastprivate conditional.
1863         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1864         lastprivate_conditional_map.
1865         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1866
1867         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1868         critical, taskgroup and section regions when looking for a region
1869         with non-NULL lastprivate_conditional_map.
1870
1871 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1872
1873         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1874         (*ix86_gen_sub3): Ditto.
1875         (*ix86_gen_sub3_carry): Ditto.
1876         (*ix86_gen_one_cmpl2): Ditto.
1877         (*ix86_gen_andsp): Ditto.
1878         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1879         (gen_and2_insn): New static function.
1880         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1881         Use gen_add3_insn instead of ix86_gen_add3.
1882         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1883         instead of ix86_gen_add3.
1884         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1885         Use gen_sub3_insn instead of ix86_gen_sub3.
1886         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1887         instead of ix86_gen_add3.
1888         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1889         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1890         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1891         * config/i386/i386-options.c (ix86_option_override_internal):
1892         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1893         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1894
1895 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1896
1897         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1898         and DW_OP_GNU_const_index opcodes.
1899
1900 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1901
1902         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1903
1904 2019-05-27  Richard Biener  <rguenther@suse.de>
1905
1906         PR tree-optimization/90637
1907         * tree-ssa-sink.c (statement_sink_location): Honor the
1908         computed sink location for single-uses.
1909
1910 2019-05-27  Richard Biener  <rguenther@suse.de>
1911
1912         PR middle-end/90610
1913         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1914         a bit-insert.
1915
1916 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1917
1918         * config/i386/i386.md (@sub<mode>3_carry): Rename
1919         from sub<mode>3_carry.
1920         (@leave_<mode>): New expander.
1921         (*leave): Rename from leave.
1922         (*leave_rex64): Rename from leave_rex64.
1923         (@monitorx_<mode>): Rename from monitorx_<mode>.
1924         (@clzero_<mode>): Rename from clzero_<mode>.
1925         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1926         from sse3_monitor_<mode>.
1927         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1928         (*ix86_gen_leave): Ditto.
1929         (*ix86_gen_monitor): Ditto.
1930         (*ix86_gen_monitorx): Ditto.
1931         (*ix86_gen_clzero): Ditto.
1932         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1933         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1934         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1935         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1936         Use gen_sse3_monitor instead of ix86_gen_monitor.
1937         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1938         instead of ix86_gen_monitorx.
1939         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1940         instead of ix86_gen_clzero.
1941         * config/i386/i386-options.c (ix86_option_override_internal):
1942         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1943         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1944
1945 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1946
1947         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1948         Rename from tls_global_dynamic_64_<mode>.
1949         (@tls_local_dynamic_base_64_<mode>): Rename from
1950         tls_local_dynamic_base_64_<mode>.
1951         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1952         Remove indirect function.
1953         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1954         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1955         instead of ix86_gen_tls_global_dynamic_64.
1956         Use gen_tls_local_dynamic_base_64 instead of
1957         ix86_gen_tls_local_dynamic_base_64.
1958         * config/i386/i386-options.c (ix86_option_override_internal):
1959         Do not initialize ix86_gen_tls_global_dynamic_64 and
1960         ix86_gen_tls_local_dynamic_base_64.
1961
1962 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1963
1964         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1965         Rename from pro_epilogue_adjust_stack_<mode>_add.
1966         (@pro_epilogue_adjust_stack_sub_<mode>)
1967         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1968         (@allocate_stack_worker_probe_<mode>):
1969         Rename from allocate_stack_worker_probe_<mode>.
1970         (allocate_stack): Use gen_allocate_stack_worker_probe.
1971         (probe_stack): Use gen_probe_stack_1.
1972         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1973         (@adjust_stack_and_probe_<mode>): Rename from
1974         adjust_stack_and_probe<mode>.
1975         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
1976         (stack_protect_set): Use gen_stack_protect_set_1.
1977         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
1978         (stack_protect_test): Use gen_stack_protect_test_1.
1979         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
1980         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
1981         Remove indirect function.
1982         (*ix86_gen_adjust_stack_and_probe): Ditto.
1983         (*ix86_gen_probe_stack_range): Ditto.
1984         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
1985         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
1986         (ix86_adjust_stack_and_probe_stack_clash): Use
1987         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
1988         (ix86_adjust_stack_and_probe): Ditto.
1989         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
1990         of ix86_gen_probe_stack_range.
1991         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
1992         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
1993         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
1994         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
1995         CODE_FOR_stack_protect_test_{si,di}.
1996         * config/i386/i386-options.c (ix86_option_override_internal):
1997         Do not initialize ix86_gen_allocate_stack_worker,
1998         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
1999
2000 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
2001
2002         * doc/invoke.texi (Link Options): Many editorial changes around
2003         -flinker-output.
2004
2005 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2006
2007         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
2008         pre-Solaris 11 referene and most Studio compiler details.
2009
2010 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
2011
2012         PR target/90530
2013         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
2014         DImode to SImode in floating-point registers on 64-bit target.
2015         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
2016         register_operand in xmpyu patterns.
2017
2018 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2019
2020         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
2021         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
2022         OMP_CLAUSE__REDUCTEMP_.
2023         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
2024         OMP_CLAUSE__CONDTEMP_.
2025         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
2026         * tree-pretty-print.c (dump_omp_clause): Likewise.
2027         * tree-nested.c (convert_nonlocal_omp_clauses,
2028         convert_local_omp_clauses): Likewise.
2029         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
2030         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
2031         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
2032         on OMP_FOR.
2033         (gimplify_omp_for): Warn and disable conditional modifier from
2034         lastprivate on loop iterators.
2035         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
2036         member.
2037         * omp-general.c (omp_extract_for_data): Initialize it.
2038         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
2039         member.
2040         (delete_omp_context): Delete it.
2041         (lower_lastprivate_conditional_clauses): New function.
2042         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
2043         handle lastprivate conditional clauses.
2044         (lower_reduction_clauses): Add CLIST argument, emit it into
2045         the critical section if any.
2046         (lower_omp_sections): Adjust lower_lastprivate_clauses and
2047         lower_reduction_clauses callers.
2048         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
2049         to lower_lastprivate_clauses.
2050         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
2051         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
2052         clist into a critical section if not emitted there already by
2053         lower_reduction_clauses.
2054         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
2055         callers.
2056         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
2057         conditional variables.
2058         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
2059         clause is present.
2060         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2061         expand_omp_for_static_chunk): Handle lastprivate conditional.
2062         (expand_omp_for): Handle fd.lastprivate_conditional like
2063         fd.have_reductemp.
2064
2065 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2066
2067         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
2068         kernel does not exit cleanly.
2069         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
2070
2071 2019-05-24  Jason Merrill  <jason@redhat.com>
2072
2073         Revert:
2074         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2075
2076 2019-05-24  Richard Biener  <rguenther@suse.de>
2077
2078         PR testsuite/90607
2079         * tree-loop-distribution.c (struct partition): Add location
2080         member.
2081         (partition_alloc): Initialize all fields.
2082         (generate_memset_builtin): Use the location recorded in the
2083         partition for the generated call.
2084         (generate_memcpy_builtin): Likewise.
2085         (classify_partition): Record the location of a single store
2086         as location for the partition.
2087
2088 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2089
2090         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
2091         for lo-part.
2092
2093 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
2094
2095         PR target/90588
2096         * common/config/aarch64/aarch64-common.c
2097         (aarch64_rewrite_selected_cpu): Change local temporary variable
2098         type from unsigned long to uint64_t.
2099         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
2100         aarch64_get_extension_string_for_isa_flags): Change declaration to
2101         match new definition by replacing unsigned long with uint64_t.
2102
2103 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2104
2105         PR target/90568
2106         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
2107         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
2108         Handle stack_protect_test_<mode> codegen similarly to corresponding
2109         sub instruction.
2110
2111 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
2112
2113        * config/i386/darwin.h: Reject -mfentry*.
2114        * doc/sourcebuild.texi: Document mfentry target support.
2115
2116 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2117
2118         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
2119         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
2120         false for PC-relative functions.
2121         (rs6000_output_function_prologue): Change called function name to
2122         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
2123         name,1" for PC-relative functions.
2124         (rs6000_elf_declare_function_name): Change called function name to
2125         rs6000_global_entry_point_prologue_needed_p.
2126
2127 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
2128
2129         PR target/90552
2130         * config/i386/i386.c (gen_rtx_cost):
2131         Use ix86_tune_cost instead of ix86_cost.
2132
2133 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2134             Michael Meissner  <meissner@linux.ibm.com>
2135             Segher Boessenkool  <segher@kernel.crashing.org>
2136
2137         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
2138         OPTION_MASK_PCREL.
2139         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
2140         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
2141         (rs6000_fndecl_pcrel_p): Likewise.
2142         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
2143         error if -mpcrel is requested without -mcpu=future.
2144         (rs6000_opt_masks): Add entry for pcrel.
2145         (rs6000_fndecl_pcrel_p): New function.
2146         (rs6000_pcrel_p): Likewise.
2147         * config/rs6000/rs6000.opt (mpcrel): New option.
2148         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
2149
2150 2019-05-23  Jan Hubicka  <jh@suse.cz>
2151             Martin Liska  <mliska@suse.cz>
2152
2153         PR tree-optimization/90576
2154         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
2155         poly_int_tree_p.
2156         (aliasing_component_refs_p): Fix three way size compare conditional;
2157         give up earlier in case we can not decide on equivalence.
2158
2159 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2160             Michael Meissner  <meissner@linux.ibm.com>
2161             Segher Boessenkool  <segher@kernel.crashing.org>
2162
2163         * config.gcc: Add future cpu.
2164         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
2165         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
2166         #define.
2167         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2168         (RS6000_CPU): New instantiation for future cpu.
2169         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2170         PROCESSOR_FUTURE.
2171         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2172         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2173         * config/rs6000/rs6000-tables.opt: Regenerate.
2174         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2175         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2176         (rs6000_machine_from_flags): Handle future cpu.
2177         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2178         PROCESSOR_POWER9 for now.
2179         (rs6000_adjust_cost): Likewise.
2180         (rs6000_issue_rate): Likewise.
2181         (rs6000_register_move_cost): Likewise.
2182         (rs6000_opt_masks): Add entry for future.
2183         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2184         (MASK_FUTURE): New #define.
2185         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2186         * config/rs6000/rs6000.opt (mfuture): New target option.
2187         * doc/invoke.texi (mcpu): Add future cpu.
2188
2189 2019-05-23  Martin Liska  <mliska@suse.cz>
2190
2191         PR c++/90587
2192         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2193         operation points to a temporary (pointed via tree_to_wide_ref)
2194         that is out of scope after the &.
2195
2196 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2197
2198         PR c++/90592
2199         * doc/extend.texi (Function Names): Add missing word.
2200
2201 2019-05-23  Richard Biener  <rguenther@suse.de>
2202
2203         PR tree-optimization/88440
2204         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2205         at -O[2s]+.
2206         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2207         generated call.
2208         (generate_memcpy_builtin): Likewise.
2209         (distribute_loop): Pass in whether to only distribute patterns.
2210         (prepare_perfect_loop_nest): Also allow size optimization.
2211         (pass_loop_distribution::execute): When optimizing a loop
2212         nest for size allow pattern replacement.
2213
2214 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2215
2216         PR target/90568
2217         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2218         of xor.
2219
2220 2019-05-23  Martin Liska  <mliska@suse.cz>
2221
2222         PR sanitizer/90570
2223         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2224         expression similarly to gimplify_decl_expr.
2225
2226 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2227
2228         * cse.c (cse_dump_path): s/dump_file/f.
2229
2230 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2231
2232         PR c++/90462
2233         * diagnostic-format-json.cc: Include "selftest.h".
2234         (json_from_expanded_location): Only add "file" key for non-NULL
2235         file strings.
2236         (json_from_location_range): Don't add "start" and "finish"
2237         children if they are UNKNOWN_LOCATION.
2238         (selftest::test_unknown_location): New selftest.
2239         (selftest::test_bad_endpoints): New selftest.
2240         (selftest::diagnostic_format_json_cc_tests): New function.
2241         * json.cc (json::object::get): New function.
2242         (selftest::test_object_get): New selftest.
2243         (selftest::json_cc_tests): Call it.
2244         * json.h (json::object::get): New decl.
2245         * selftest-run-tests.c (selftest::run_tests): Call
2246         selftest::diagnostic_format_json_cc_tests.
2247         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2248         decl.
2249
2250 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2251             Andrew Stubbs  <amd@codesourcery.com>
2252
2253         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2254         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2255         (kernel): Rename to...
2256         (main_kernel): ... this.
2257         (load_image): Load _init_array and _fini_array kernels.
2258         (run): Add argument for kernel to run.
2259         (main): Run init_array_kernel before main_kernel, and
2260         fini_array_kernel after.
2261         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2262         amdgpu_hsa_kernel attribute on functions.
2263         (gcn_disable_constructors): Delete.
2264         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2265         * config/gcn/crt0.c (size_t): Define.
2266         (_init_array, _fini_array): New.
2267         (__preinit_array_start, __preinit_array_end,
2268         __init_array_start, __init_array_end,
2269         __fini_array_start, __fini_array_end): Declare weak references.
2270
2271 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2272
2273         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2274
2275 2019-05-22  Jason Merrill  <jason@redhat.com>
2276
2277         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2278
2279 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2280
2281         PR target/88483
2282         * config/i386/i386-options.c (ix86_init_machine_status): Set
2283         stack_frame_required to true.
2284         * config/i386/i386.c (ix86_get_frame_size): New function.
2285         (ix86_frame_pointer_required): Replace get_frame_size with
2286         ix86_get_frame_size.
2287         (ix86_compute_frame_layout): Likewise.
2288         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2289         stack_frame_required.
2290         (ix86_finalize_stack_frame_flags): Always call
2291         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2292         ix86_get_frame_size.
2293         * config/i386/i386.h (machine_function): Add stack_frame_required.
2294
2295 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2296
2297         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2298
2299 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2300
2301         * common/config/aarch64/aarch64-common.c
2302         (struct aarch64_option_extension, struct processor_name_to_arch,
2303         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2304         aarch64_contains_opt,
2305         aarch64_get_extension_string_for_isa_flags): Change type of
2306         variables storing flags to uint64_t.
2307         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2308         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2309         * config/aarch64/aarch64.c (struct processor,
2310         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2311         aarch64_validate_march, aarch64_override_options,
2312         aarch64_option_print, aarch64_handle_attr_isa_flags,
2313         aarch64_declare_function_name, aarch64_start_file): Make flag
2314         variables uint64_t.
2315         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2316         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2317         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2318         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2319         * config/aarch64/driver-aarch64.c
2320         (struct aarch64_arch_extension, struct aarch64_core_data,
2321         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2322         flag variables uint64_t.
2323         * doc/invoke.texi: Add documentation for new arguments.
2324
2325 2019-05-22  Richard Biener  <rguenther@suse.de>
2326
2327         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2328         rewrite ...
2329         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2330
2331 2019-05-22  Martin Liska  <mliska@suse.cz>
2332
2333         PR lto/90500
2334         * doc/extend.texi: Document the change.
2335
2336 2019-05-22  Richard Biener  <rguenther@suse.de>
2337
2338         PR tree-optimization/90450
2339         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2340         (mem_ref_hasher::equal): Check it.
2341         (mem_ref_alloc): Initialize it.
2342         (gather_mem_refs_stmt): Set it.
2343
2344 2019-05-22  Richard Biener  <rguenther@suse.de>
2345
2346         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2347         Add ABS_EXPR.
2348         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2349         as ABSU_EXPR.
2350
2351 2019-05-22  Alan Modra  <amodra@gmail.com>
2352
2353         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2354         (ASM_CPU_SPEC): Conditionally add -many.
2355         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2356         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2357         (rs6000_file_start): ..extracted from here, and modified to
2358         test all ISA bits.
2359         (rs6000_output_function_prologue): Emit .machine as necessary.
2360         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2361         power mnemonics.
2362         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2363         added by check_vect_support_and_set_flags.
2364         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2365         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2366
2367 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2368
2369         PR middle-end/90553
2370         * ira-lives.c (process_bb_node_lives): Consider defs
2371         for a call insn to be die before the call, not after.
2372
2373         * function.c (assign_parm_setup_block): Raise alignment of
2374         stacked parameter only for STRICT_ALIGNMENT targets.
2375
2376 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2377
2378         * config/rs6000/constraints.md (define_register_constraint "wz"):
2379         Delete.
2380         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2381         RS6000_CONSTRAINT_wz.
2382         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2383         (rs6000_init_hard_regno_mode_ok): Adjust.
2384         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2385         * doc/md.texi (Machine Constraints): Adjust.
2386
2387 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2388
2389         * config/rs6000/constraints.md (define_register_constraint "wl"):
2390         Delete.
2391         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2392         RS6000_CONSTRAINT_wl.
2393         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2394         (rs6000_init_hard_regno_mode_ok): Adjust.
2395         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2396         * doc/md.texi (Machine Constraints): Adjust.
2397
2398 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2399
2400         * config/rs6000/constraints.md (define_register_constraint "wm"):
2401         Delete.
2402         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2403         RS6000_CONSTRAINT_wm.
2404         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2405         (rs6000_init_hard_regno_mode_ok): Adjust.
2406         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
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 "wk"):
2412         Delete.
2413         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2414         RS6000_CONSTRAINT_wk.
2415         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2416         (rs6000_init_hard_regno_mode_ok): Adjust.
2417         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
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 "wj"):
2423         Delete.
2424         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2425         RS6000_CONSTRAINT_wj.
2426         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2427         (rs6000_init_hard_regno_mode_ok): Adjust.
2428         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2429         (VS_64dm): Delete.
2430         * config/rs6000/vsx.md: Ditto.
2431         * doc/md.texi (Machine Constraints): Adjust.
2432
2433 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2434
2435         * config/rs6000/constraints.md (define_register_constraint "wh"):
2436         Delete.
2437         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2438         RS6000_CONSTRAINT_wh.
2439         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2440         (rs6000_init_hard_regno_mode_ok): Adjust.
2441         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2442         * doc/md.texi (Machine Constraints): Adjust.
2443
2444 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2445
2446         PR target/90547
2447         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2448         Avoid calling gen_lowpart with CONST operand.
2449
2450 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2451
2452         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2453         field template_last_to_copy.
2454         (ssa_create_duplicates): Set it, and use it.  Attempt to
2455         preserve more debug stmts.
2456
2457 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2458
2459         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2460         (signbit<mode>2): New expander
2461
2462 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2463
2464         PR bootstrap/87338
2465         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2466         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2467
2468 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2469
2470         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2471         %ebx and %ecx bafore calling cpuid with leaf 1 or
2472         non-constant leaf argument.
2473
2474 2019-05-21  Alan Modra  <amodra@gmail.com>
2475
2476         PR target/90545
2477         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2478         power9 direct move cost.
2479         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2480         Correct comments and rename functions to suit parameters.
2481
2482 2019-05-21  Richard Biener  <rguenther@suse.de>
2483
2484         PR middle-end/90510
2485         * fold-const.c (fold_read_from_vector): New function.
2486         * fold-const.h (fold_read_from_vector): Declare.
2487         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2488         single-element insert permutations.  Canonicalize selector
2489         further and fix issue with last commit.
2490
2491 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2492
2493         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2494         parameter with default value false to declaration.
2495         (split_edges_for_insertion): New inline function.  Wrapper for
2496         split_critical_edges with for_edge_insertion_p = true.
2497         * tree-cfg.c (split_critical_edges): Don't split non-critical
2498         edges if for_edge_insertion_p is false.  Fix whitespace.
2499         * tree-ssa-pre.c (pass_pre::execute): Call
2500         split_edges_for_insertion instead of split_critical_edges.
2501         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2502         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2503         (pass_data_sink_code): Update function name in the comment.
2504
2505 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2506
2507         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2508         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2509         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2510         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2511         positives.
2512
2513 2019-05-21  Martin Liska  <mliska@suse.cz>
2514
2515         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2516         an extra newline.
2517         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2518         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2519         vec_lvsr.
2520         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2521         Quote a C type.
2522         (rs6000_function_arg): Likewise.
2523         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2524         (rs6000_expand_ternop_builtin): Use interval syntax.
2525         (get_element_number): Likewise.
2526         (altivec_expand_builtin): Likewise.
2527         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2528
2529 Fix test-suite.
2530
2531 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2532
2533         PR c++/59813
2534         PR target/90418
2535         * function.h (struct function): Add calls_eh_return member.
2536         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2537         gimplifying __builtin_eh_return call.
2538         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2539         to cfun.
2540         (expand_call_inline): Or in src_cfun->calls_eh_return into
2541         dst_cfun->calls_eh_return.
2542         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2543         cfun->calls_eh_return.
2544         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2545         * lto-streamer-out.c (output_struct_function_base): Write
2546         calls_eh_return.
2547
2548 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2549
2550         PR rtl-optimization/43147
2551         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2552         IX86_BUILTIN_SHUFPD.
2553
2554 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2555
2556         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2557         (refs_may_alias_p_1): ... here; update stats.
2558         (refs_may_alias_p): Do not update stats here.
2559
2560 2019-05-20  Richard Biener  <rguenther@suse.de>
2561
2562         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2563         doesn't produce pointers.
2564         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2565         the first operand points to.
2566
2567 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2568
2569         * tree-ssa-alias.c (compare_sizes): New function.
2570         (sompare_type_sizes): New function
2571         (aliasing_component_refs_p): Use it.
2572         (indirect_ref_may_alias_decl_p): Likewise.
2573
2574 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2575
2576         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2577
2578 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2579
2580         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2581         (LIBLSAN_EARLY_SPEC): Likewise.
2582         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2583
2584 2019-05-20  Martin Liska  <mliska@suse.cz>
2585
2586         * config/i386/i386.c (ix86_libc_has_fast_function):
2587         Add ATTRIBUTE_UNUSED for the argument.
2588
2589 2019-05-20  Richard Biener  <rguenther@suse.de>
2590
2591         * gimple-match-head.c: Include vec-perm-indices.h.
2592         * generic-match-head.c: Likewise.
2593         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2594         is included.
2595         * fold-const.c (fold_vec_perm): Export.
2596         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2597         (match.pd): ...here.
2598
2599 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2600
2601         * cfgloop.h (struct loop): Add simdlen member.
2602         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2603         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2604         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2605         as new argument to autovectorize_vector_sizes target hook.  If
2606         loop->simdlen, pick up vector size where the vectorization factor
2607         is equal to loop->simd, and if there is none, fall back to the first
2608         successful one.
2609         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2610         caller.
2611         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2612         * omp-general.c (omp_max_vf): Likewise.
2613         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2614         * tree-vect-slp.c (vect_slp_bb): Likewise.
2615         * target.def (autovectorize_vector_sizes): Add ALL argument and
2616         document it.
2617         * doc/tm.texi: Adjust documentation.
2618         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2619         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2620         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2621         bool argument.
2622         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2623         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2624         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2625         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2626         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2627         preferred vector size is not 512-bit or 256-bit, just put those
2628         unpreferred ones last.
2629
2630 2019-05-20  Martin Liska  <mliska@suse.cz>
2631
2632         * targhooks.c (default_libc_has_fast_function): New function.
2633         * targhooks.h (default_libc_has_fast_function): Likewise.
2634
2635 2019-05-20  Martin Liska  <mliska@suse.cz>
2636
2637         PR middle-end/90263
2638         * builtins.c (expand_builtin_memory_copy_args): When having a
2639         target with fast mempcpy implementation do now use memcpy.
2640         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2641         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2642         * doc/tm.texi: Likewise.
2643         * doc/tm.texi.in: Likewise.
2644         * target.def:
2645         * expr.c (emit_block_move_hints): Add 2 new arguments.
2646         * expr.h (emit_block_move_hints): Bail out when libcall
2647         to memcpy would be used.
2648
2649 2019-05-20  Martin Liska  <mliska@suse.cz>
2650
2651         * profile-count.c: Add vertical spacing in order
2652         to separate functions.
2653         * profile-count.h: Likewise.
2654
2655 2019-05-20  Martin Liska  <mliska@suse.cz>
2656
2657         * profile-count.h: Do not use full qualified
2658         names if possible.
2659         * profile-count.c (profile_count::to_frequency): Likewise.
2660
2661 2019-05-20  Martin Liska  <mliska@suse.cz>
2662
2663         * profile-count.h (enum profile_quality): Use capital letters
2664         for enum value names.  Use the adjusted names.
2665         * profile-count.c: Use the adjusted names.
2666
2667 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2668
2669         * config/rs6000/constraints.md (define_register_constraint "wH"):
2670         Delete.
2671         (define_register_constraint "wI"): Delete.
2672         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2673         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2674         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2675         (rs6000_init_hard_regno_mode_ok): Adjust.
2676         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2677         resp. "d", or with "wa" as appropriate, all with "p8v".
2678         * config/rs6000/vsx.md: Ditto.
2679         * doc/md.texi (Machine Constraints): Adjust.
2680
2681 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2682
2683         * config/rs6000/constraints.md (define_register_constraint "wy"):
2684         Delete.
2685         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2686         RS6000_CONSTRAINT_wy.
2687         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2688         (rs6000_init_hard_regno_mode_ok): Adjust.
2689         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2690         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2691         (define_mode_attr Fisa): New.
2692         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2693         * doc/md.texi (Machine Constraints): Adjust.
2694
2695 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2696
2697         * config/rs6000/constraints.md (define_register_constraint "wu"):
2698         Delete.
2699         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2700         RS6000_CONSTRAINT_wu.
2701         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2702         (rs6000_init_hard_regno_mode_ok): Adjust.
2703         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2704         both with "p8v".
2705         (define_mode_attr Fa): Delete.
2706         * config/rs6000/vsx.md: Ditto.
2707         * doc/md.texi (Machine Constraints): Adjust.
2708
2709 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2710
2711         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2712         Delete.
2713         (define_register_constraint "wK"): Delete.
2714         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2715         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2716         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2717         (rs6000_init_hard_regno_mode_ok): Adjust.
2718         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2719         Replace "wK" constraint by "wH" with "p9v".
2720         * config/rs6000/vsx.md: Ditto.
2721         * doc/md.texi (Machine Constraints): Adjust.
2722
2723 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2724
2725         * config/rs6000/constraints.md (define_register_constraint "wb"):
2726         Delete.
2727         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2728         RS6000_CONSTRAINT_wb.
2729         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2730         (rs6000_init_hard_regno_mode_ok): Adjust.
2731         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2732         * config/rs6000/vsx.md: Ditto.
2733         * doc/md.texi (Machine Constraints): Adjust.
2734
2735 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2736
2737         * config/rs6000/constraints.md (define_register_constraint "wo"):
2738         Delete.
2739         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2740         RS6000_CONSTRAINT_wo.
2741         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2742         (rs6000_init_hard_regno_mode_ok): Adjust.
2743         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2744         * config/rs6000/altivec.md: Ditto.
2745         * doc/md.texi (Machine Constraints): Adjust.
2746
2747 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2748
2749         * config/darwin-c.c (darwin_register_objc_includes): Do not
2750         prepend the sysroot when building gnu-runtime header search
2751         paths.
2752
2753 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2754
2755         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2756         instead of direct output of the asm.
2757
2758 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2759
2760         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2761         argument to be type bool (was int before).
2762         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2763         at first use.  Use type bool for some variables.  Fix a theoretical
2764         eh_return bug for svr4.
2765
2766 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2767
2768         * config/rs6000/rs6000.md (isa): New attribute.
2769         (enabled): New attribute.
2770
2771 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2772
2773         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2774         assemble_start_function and assemble_end_function.
2775
2776 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2777
2778         PR middle-end/89433
2779         * omp-general.c (oacc_verify_routine_clauses): Change formal
2780         parameters.  Add checking if already marked with an OpenACC
2781         'routine' directive.  Adjust all users.
2782
2783         PR middle-end/89433
2784         * omp-general.c (oacc_build_routine_dims): Move some of its
2785         processing into...
2786         (oacc_verify_routine_clauses): ... this new function.
2787         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2788
2789 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2790
2791         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2792         formating of picbase labels to match other ports.
2793
2794 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2795
2796         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2797         in the generated code.
2798
2799 2019-05-16  Martin Sebor  <msebor@redhat.com>
2800
2801         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2802         identifiers, keywords, operators, and types in diagnostics.  Correct
2803         quoting, spelling, and sentence capitalization issues.
2804         (expand_builtin_atomic_is_lock_free): Same.
2805         (fold_builtin_next_arg): Same.
2806         * cfgexpand.c (expand_one_var): Same.
2807         (tree_conflicts_with_clobbers_p): Same.
2808         (expand_asm_stmt): Same.
2809         (verify_loop_structure): Same.
2810         * cgraphunit.c (process_function_and_variable_attributes): Same.
2811         * collect-utils.c (collect_execute): Same.
2812         * collect2.c (maybe_run_lto_and_relink): Same.
2813         (is_lto_object_file): Same.
2814         (scan_prog_file): Same.
2815         * convert.c (convert_to_real_1): Same.
2816         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2817         * except.c (verify_eh_tree): Same.
2818         * gcc.c (execute): Same.
2819         (eval_spec_function): Same.
2820         (run_attempt): Same.
2821         (driver::set_up_specs): Same.
2822         (compare_debug_auxbase_opt_spec_function): Same.
2823         * gcov-tool.c (unlink_gcda_file): Same.
2824         (do_merge): Same.
2825         (do_rewrite): Same.
2826         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2827         * gimplify.c (gimplify_asm_expr): Same.
2828         (gimplify_adjust_omp_clauses): Same.
2829         * hsa-gen.c (gen_hsa_addr_insns): Same.
2830         (gen_hsa_insns_for_load): Same.
2831         (gen_hsa_cmp_insn_from_gimple): Same.
2832         (gen_hsa_insns_for_operation_assignment): Same.
2833         (gen_get_level): Same.
2834         (gen_hsa_alloca): Same.
2835         (omp_simple_builtin::generate): Same.
2836         (gen_hsa_atomic_for_builtin): Same.
2837         (gen_hsa_insns_for_call): Same.
2838         * input.c (dump_location_info): Same.
2839         * ipa-devirt.c (compare_virtual_tables): Same.
2840         * ira.c (ira_setup_eliminable_regset): Same.
2841         * lra-assigns.c (lra_assign): Same.
2842         * lra-constraints.c (lra_constraints): Same.
2843         * lto-streamer-in.c (lto_input_mode_table): Same.
2844         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2845         (merge_and_complain): Same.
2846         (compile_offload_image): Same.
2847         (compile_images_for_offload_targets): Same.
2848         (debug_objcopy): Same.
2849         (run_gcc): Same.
2850         (main): Same.
2851         * opts.c (print_specific_help): Same.
2852         (parse_no_sanitize_attribute): Same.
2853         (print_help): Same.
2854         (handle_param): Same.
2855         * plugin.c (add_new_plugin): Same.
2856         (parse_plugin_arg_opt): Same.
2857         (try_init_one_plugin): Same.
2858         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2859         operators, and types in diagnostics.  Correct quoting and spelling
2860         issues.
2861         * read-rtl-function.c (parse_edge_flag_token): Same.
2862         (function_reader::parse_enum_value): Same.
2863         * reg-stack.c (check_asm_stack_operands): Same.
2864         * regcprop.c (validate_value_data): Same.
2865         * sched-rgn.c (make_pass_sched_fusion): Same.
2866         * stmt.c (check_unique_operand_names): Same.
2867         * targhooks.c (default_target_option_pragma_parse): Same.
2868         * tlink.c (recompile_files): Same.
2869         * toplev.c (process_options): Same.
2870         (do_compile): Same.
2871         * trans-mem.c (diagnose_tm_1): Same.
2872         (ipa_tm_scan_irr_block): Same.
2873         (ipa_tm_diagnose_transaction): Same.
2874         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2875         format a tree code name in a diagnostic.
2876         (verify_types_in_gimple_min_lval): Same.
2877         (verify_types_in_gimple_reference): Same.
2878         (verify_gimple_call): Same.
2879         (verify_gimple_assign_unary): Same.
2880         (verify_gimple_assign_binary): Same.
2881         (verify_gimple_assign_ternary): Same.
2882         (verify_gimple_assign_single): Same.
2883         (verify_gimple_switch): Same.
2884         (verify_gimple_label): Same.
2885         (verify_gimple_phi): Same.
2886         (verify_gimple_in_seq): Same.
2887         (verify_eh_throw_stmt_node): Same.
2888         (collect_subblocks): Same.
2889         (gimple_verify_flow_info): Same.
2890         (do_warn_unused_result): Same.
2891         * tree-inline.c (expand_call_inline): Same.
2892         * tree-into-ssa.c (update_ssa): Same.
2893         * tree.c (tree_int_cst_elt_check_failed): Same.
2894         (tree_vec_elt_check_failed): Same.
2895         (omp_clause_operand_check_failed): Same.
2896         (verify_type_variant): Same.
2897         (verify_type): Same.
2898         * value-prof.c (verify_histograms): Same.
2899         * varasm.c (assemble_start_function): Same.
2900
2901 2019-05-16  Martin Sebor  <msebor@redhat.com>
2902
2903         * config/i386/i386-expand.c (get_element_number): Quote keywords
2904         and other internal names in diagnostics.  Adjust other diagnostic
2905         formatting issues noted by -Wformat-diag.
2906         * config/i386/i386-features.c
2907         (ix86_mangle_function_version_assembler_name): Same.
2908         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2909         * config/i386/i386.c (ix86_function_type_abi): Same.
2910         (ix86_function_ms_hook_prologue): Same.
2911         (classify_argument): Same.
2912         (ix86_expand_prologue): Same.
2913         (ix86_md_asm_adjust): Same.
2914         (ix86_memmodel_check): Same.
2915
2916 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2917
2918         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2919         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2920         and fpxx modes.
2921
2922 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2923
2924         PR target/90497
2925         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2926         intrinsics without SSE/SSE2/SSSE3.
2927         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2928         check.
2929         (*mmx_uavgv8qi3): Likewise.
2930
2931 2019-05-17  Richard Biener  <rguenther@suse.de>
2932
2933         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2934         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2935
2936 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2937
2938         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2939         vec_sldw insn pattern.
2940
2941 2019-05-17  Richard Biener  <rguenther@suse.de>
2942
2943         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2944
2945 2019-05-17  Martin Liska  <mliska@suse.cz>
2946
2947         PR driver/90496
2948         * toplev.c (output_stack_usage): With LTO and sanitizer it
2949         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2950         has no file location.
2951
2952 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2953
2954         PR c++/90484
2955         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2956         sz0 is equal to sz1, instead return false in that case.
2957
2958         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2959         has non-constant expression, force sctx.lane and use two
2960         argument IFN_GOMP_SIMD_LANE instead of single argument.
2961         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2962         two argument IFN_GOMP_SIMD_LANE without lhs.
2963         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2964         member.
2965         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2966         Define.
2967         (LOOP_REQUIRES_VERSIONING): Or in
2968         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2969         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2970         simd_if_cond.
2971         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2972         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2973         from simd if clause if needed.
2974
2975 2019-05-16  Richard Biener  <rguenther@suse.de>
2976
2977         * tree-affine.c (expr_to_aff_combination): New function split
2978         out from...
2979         (tree_to_aff_combination): ... here.
2980         (aff_combination_expand): Avoid building a GENERIC tree.
2981
2982 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
2983
2984         * cgraphunit.c (cgraph_node::expand_thunk): Remove
2985         assemble_start_function and assemble_end_function calls.
2986         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
2987         assemble_start_function and assemble_end_function.
2988         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
2989         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
2990         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
2991         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
2992         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
2993         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
2994         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
2995         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
2996         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
2997         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2998         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2999         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
3000         Likewise.
3001         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3002         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
3003         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
3004         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
3005         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3006         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3007         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
3008         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
3009         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3010         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3011         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3012         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3013         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
3014         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
3015         Likewise.
3016         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3017         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3018         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
3019
3020 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
3021
3022         * tree-ssa-alias.c (alias_stats): Add
3023         aliasing_component_refs_p_may_alias and
3024         aliasing_component_refs_p_no_alias.
3025         (dump_alias_stats): Print aliasing_component_refs_p stats.
3026         (aliasing_component_refs_p): Update stats.
3027
3028 2019-05-16  Martin Liska  <mliska@suse.cz>
3029
3030         PR lto/90500
3031         * multiple_target.c (expand_target_clones): Do not allow
3032         target_clones being used with a symbol that is an alias.
3033
3034 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
3035
3036         PR tree-optimization/90394
3037         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
3038         positives rather than ICE for cases where (code2 == NE_EXPR
3039         && code1 == BIT_AND_EXPR).
3040
3041 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3042
3043         PR fortran/90329
3044         * tree-core.h (struct tree_decl_common): Document
3045         decl_nonshareable_flag for PARM_DECLs.
3046         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
3047         * calls.c (expand_call): Don't try tail call if caller
3048         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
3049         passed on the stack and callee needs to pass any arguments on the
3050         stack.
3051         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
3052         else if instead of series of mutually exclusive ifs.  Handle
3053         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
3054         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3055
3056         * lto-streamer.h (LTO_major_version): Bump to 9.
3057
3058 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
3059
3060         PR tree-optimization/90106
3061         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
3062         new parameter as new internal function call, also move it to new
3063         basic block.
3064         (use_internal_fn): Pass internal function call to
3065         shrink_wrap_one_built_in_call_with_conds.
3066
3067 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
3068
3069         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
3070         max_vf to 1.
3071         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
3072         safelen_int and set loop->dont_vectorize.
3073
3074 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3075
3076         PR target/89021
3077         * config/i386/i386-builtin.def: Enable MMX intrinsics with
3078         SSE/SSE2/SSSE3.
3079         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
3080         Likewise.
3081         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
3082         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
3083         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
3084         is defined.
3085
3086 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3087
3088         PR target/89021
3089         * config/i386/mmx.md (*vec_dupv2sf): Changed to
3090         define_insn_and_split to support SSE emulation.
3091         (*vec_extractv2sf_0): Likewise.
3092         (*vec_extractv2sf_1): Likewise.
3093         (*vec_extractv2si_0): Likewise.
3094         (*vec_extractv2si_1): Likewise.
3095         (*vec_extractv2si_zext_mem): Likewise.
3096         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
3097         (vec_extractv2sf_1 splitter): Likewise.
3098         (vec_extractv2sfsf): Likewise.
3099         (vec_setv2si): Likewise.
3100         (vec_extractv2si_1 splitter): Likewise.
3101         (vec_extractv2sisi): Likewise.
3102         (vec_setv4hi): Likewise.
3103         (vec_extractv4hihi): Likewise.
3104         (vec_setv8qi): Likewise.
3105         (vec_extractv8qiqi): Likewise.
3106         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3107         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
3108         (vec_extractv2sisi): Likewise.
3109         (vec_extractv4hihi): Likewise.
3110         (vec_extractv8qiqi): Likewise.
3111         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3112         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
3113         (vec_initv2sisi): Likewise.
3114         (vec_initv4hihi): Likewise.
3115         (vec_initv8qiqi): Likewise.
3116         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
3117         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
3118         (vec_setv4hi): Likewise.
3119         (vec_setv8qi): Likewise.
3120
3121 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3122
3123         PR target/89021
3124         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
3125         TARGET_MMX_WITH_SSE.
3126         (MMXMODE:*mov<mode>_internal): Likewise.
3127         (MMXMODE:movmisalign<mode>): Likewise.
3128
3129 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
3130
3131         PR target/89021
3132         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
3133         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
3134         (sse2_cvtpd2pi): Ditto.
3135         (sse2_cvttpd2pi): Ditto.
3136         (*vec_concatv2sf_sse4_1): Ditto.
3137         (*vec_concatv2sf_sse): Ditto.
3138         (*vec_concatv2si_sse4_1): Ditto.
3139         (*vec_concatv2si): Ditto.
3140         (*vec_concatv4si_0): Ditto.
3141         (*vec_concatv2di_0): Ditto.
3142
3143 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3144
3145         PR target/89021
3146         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
3147
3148 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3149
3150         PR target/89021
3151         * config/i386/sse.md (ssse3_palignrdi): Changed to
3152         define_insn_and_split to support SSE emulation.
3153
3154 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3155
3156         PR target/89021
3157         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
3158
3159 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3160
3161         PR target/89021
3162         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
3163         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3164         SSE emulation.
3165
3166 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3167
3168         PR target/89021
3169         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3170         or TARGET_MMX_WITH_SSE.
3171         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
3172
3173 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3174
3175         PR target/89021
3176         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
3177
3178 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3179
3180         PR target/89021
3181         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3182         Changed to define_insn_and_split to support SSE emulation.
3183
3184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3185
3186         PR target/89021
3187         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3188         Changed to define_insn_and_split to support SSE emulation.
3189
3190 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3191
3192         PR target/89021
3193         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3194         (*mmx_<emms>): This.
3195         (mmx_<emms>): New expander.
3196
3197 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3198
3199         PR target/89021
3200         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3201         support.
3202         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3203
3204 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3205
3206         PR target/89021
3207         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3208
3209 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3210
3211         PR target/89021
3212         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3213
3214 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3215
3216         PR target/89021
3217         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3218         TARGET_MMX_WITH_SSE.
3219         (*mmx_uavgv4hi3): Add SSE emulation.
3220
3221 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3222
3223         PR target/89021
3224         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3225         and TARGET_MMX_WITH_SSE.
3226         (*mmx_uavgv8qi3): Add SSE emulation.
3227
3228 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3229
3230         PR target/89021
3231         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3232         maskmovdqu for __MMX_WITH_SSE__.
3233
3234 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3235
3236         PR target/89021
3237         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3238         TARGET_MMX and TARGET_MMX_WITH_SSE.
3239         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3240
3241 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3242
3243         PR target/89021
3244         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3245         define_insn_and_split to support SSE emulation.
3246
3247 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3248
3249         PR target/89021
3250         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3251         and TARGET_MMX_WITH_SSE.
3252         (mmx_<code>v8qi3): Likewise.
3253         (smaxmin:<code>v4hi3): New.
3254         (umaxmin:<code>v8qi3): Likewise.
3255         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3256         (umaxmin:*mmx_<code>v8qi3): Likewise.
3257
3258 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3259
3260         PR target/89021
3261         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3262         TARGET_MMX_WITH_SSE.
3263         (*mmx_pinsrw): Add SSE emulation.
3264
3265 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3266
3267         PR target/89021
3268         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3269
3270 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3271
3272         PR target/89021
3273         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3274         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3275         SSE emulation.
3276
3277 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3278
3279         PR target/89021
3280         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3281         (sse_cvttps2pi): Likewise.
3282
3283 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3284
3285         PR target/89021
3286         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3287         TARGET_MMX_WITH_SSE.
3288         (mmx_pshufw_1): Add SSE emulation.
3289         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3290         TARGET_MMX_WITH_SSE to support SSE emulation.
3291
3292 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3293
3294         PR target/89021
3295         * config/i386/constraints.md (Yw): New constraint.
3296         * config/i386/mmx.md (*vec_dupv2si): Changed to
3297         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3298         support SSE emulation.
3299
3300 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3301
3302         PR target/89021
3303         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3304         TARGET_MMX_WITH_SSE.
3305         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3306         support.
3307         (mmx_gt<mode>3): Likewise.
3308
3309 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3310
3311         PR target/89021
3312         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3313         TARGET_MMX_WITH_SSE.  Add SSE support.
3314
3315 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3316
3317         PR target/89021
3318         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3319         TARGET_MMX_WITH_SSE.
3320         (any_logic:<code><mode>3): New.
3321         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3322         Add SSE support.
3323
3324 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3325
3326         PR target/89021
3327         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3328         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3329         (mmx_<shift_insn><mode>3): Likewise.
3330         (ashr<mode>3): New.
3331         (<shift_insn><mode>3): Likewise.
3332
3333 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3334
3335         PR target/89021
3336         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3337         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3338
3339 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3340
3341         PR target/89021
3342         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3343         TARGET_MMX_WITH_SSE.
3344         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3345         SSE support.
3346
3347 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3348
3349         PR target/89021
3350         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3351         TARGET_MMX_WITH_SSE.
3352         (mulv4hi3): New.
3353         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3354         support.
3355
3356 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3357
3358         PR target/89021
3359         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3360         (plusminus:mmx_<plusminus_insn><mode>3): Check
3361         TARGET_MMX_WITH_SSE.
3362         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3363         (<plusminus_insn><mode>3): New.
3364         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3365         (*mmx_<plusminus_insn><mode>3): Likewise.
3366
3367 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3368
3369         PR target/89021
3370         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3371         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3372         prototype.
3373         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3374         define_insn_and_split to support SSE emulation.
3375         (mmx_punpcklbw): Likewise.
3376         (mmx_punpckhwd): Likewise.
3377         (mmx_punpcklwd): Likewise.
3378         (mmx_punpckhdq): Likewise.
3379         (mmx_punpckldq): Likewise.
3380
3381 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3382             Uros Bizjak  <ubizjak@gmail.com>
3383
3384         PR target/89021
3385         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3386         New function.
3387         (ix86_split_mmx_pack): Likewise.
3388         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3389         New prototype.
3390         (ix86_split_mmx_pack): Likewise.
3391         * config/i386/i386.md (mmx_isa): New.
3392         (enabled): Also check mmx_isa.
3393         * config/i386/mmx.md (any_s_truncate): New code iterator.
3394         (s_trunsuffix): New code attr.
3395         (mmx_packsswb): Removed.
3396         (mmx_packssdw): Likewise.
3397         (mmx_packuswb): Likewise.
3398         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3399         MMX packsswb/packuswb with SSE2.
3400         (mmx_packssdw): Likewise.
3401         * config/i386/predicates.md (register_mmxmem_operand): New.
3402
3403 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3404
3405         PR target/89021
3406         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3407         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3408         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3409         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3410         (ix86_vector_mode_supported_p): Likewise.
3411         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3412
3413 2019-05-15  Martin Liska  <mliska@suse.cz>
3414
3415         PR middle-end/90478
3416         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3417         Check for overflow.
3418
3419 2019-05-15  Richard Biener  <rguenther@suse.de>
3420
3421         * tree-into-ssa.c (pass_build_ssa::execute): Run
3422         update_address_taken before going into SSA.
3423
3424 2019-05-15  Richard Biener  <rguenther@suse.de>
3425
3426         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3427         as __BIT_FIELD_REF with type with -gimple.
3428
3429 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3430
3431         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3432         semantically equivalent branches (left over after prior refactorings).
3433
3434 2019-05-15  Richard Biener  <rguenther@suse.de>
3435
3436         PR tree-optimization/88828
3437         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3438         bogus check.
3439
3440 2019-05-14  Richard Biener  <rguenther@suse.de>
3441
3442         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3443         as __VIEW_CONVERT with -gimple.
3444
3445 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3446
3447         PR target/82920
3448         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3449         Darwin.
3450
3451 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3452
3453         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3454         define_split to become a define_insn_and_split.
3455
3456 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3457
3458         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3459         arguments.
3460         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3461         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3462         (sibcall_epilogue): Adjust.
3463         (epilogue): Adjust.
3464
3465 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3466
3467         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3468         to unsupported ones.
3469         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3470         * config.host: Likewise.
3471         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3472         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3473         __svr4__]: Remove "brand" fallback.
3474         [!KSTAT_DATA_STRING]: Remove.
3475         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3476         to *-*-solaris2*.
3477         (comdat_group): Likewise.
3478         (set_have_as_tls): Likewise.
3479         (gcc_cv_target_dl_iterate_phdr): Likewise.
3480         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3481         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3482         * configure: Regenerate.
3483         * doc/install.texi: Simplify Solaris target triplets.
3484         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3485         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3486         Remove Solaris 10 references.
3487         Remove obsolete Solaris bug reference.
3488         (Specific, sparc-sun-solaris2.10): Remove.
3489
3490 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3491
3492         * config/i386/i386.md (any_div): New code iterator.
3493         (paired_mod): New code attribute.
3494         (sgnprefix): Handle DIV and UDIV RTXes.
3495         (u): Ditto.
3496         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3497         and udivmod<mode>4 patterns using any_div code iterator.
3498         (divmod splitters): Macroize splitters using any_div code iterator.
3499         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3500         (*udivmodsi4_pow2_zext_2): Ditto.
3501         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3502         and *udivmod<mode>4_noext patterns using any_div code iterator.
3503         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3504         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3505         patterns using any_div code iterator.
3506         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3507         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3508         patterns using any_div code iterator.
3509         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3510         udivmodhiqi3 patterns using any_extend code iterator.
3511
3512 2019-05-14  Richard Biener  <rguenther@suse.de>
3513             H.J. Lu  <hongjiu.lu@intel.com>
3514
3515         PR tree-optimization/88828
3516         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3517         permuting in a single non-constant element not extracted
3518         from a vector.
3519
3520 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3521
3522         * internal-fn.def (SIGNBIT): New.
3523         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3524         defined.
3525         (signbitv4sf2): Likewise.
3526
3527 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3528
3529         PR target/90357
3530         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3531         next insn when the SRC reg is dead.
3532
3533 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3534
3535         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3536         (alloc_cand_and_find_basis): Ditto.
3537         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3538         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3539         (create_add_imm_cand, slsr_process_cast): Ditto.
3540         (slsr_process_copy, replace_mult_candidate): Ditto.
3541         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3542         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3543         (pass_strength_reduction::execute): Init the first NULL element.
3544
3545 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3546
3547         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3548         (run_attempt): Reformat line break.
3549
3550 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3551
3552         PR target/90418
3553         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3554         data registers in sibcall epilogues.
3555         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3556
3557 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3558
3559         PR target/89221
3560         * configure.ac (--enable-frame-pointer):
3561         Disable by default for cygwin and mingw.
3562         * configure: Regenerate.
3563
3564 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3565
3566         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3567         piece of code.
3568         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3569         (gen_member_die): Move abstract origin check earlier.  Only VARs
3570         can be static_inline_p.  Simplify splicing control flow.
3571
3572 2019-05-13  Richard Biener  <rguenther@suse.de>
3573
3574         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3575         VIEW_CONVERT_EXPR.
3576         (vect_build_slp_tree_1): Likewise.
3577
3578 2019-05-13  Richard Biener  <rguenther@suse.de>
3579
3580         PR tree-optimization/90402
3581         * tree-if-conv.c (tree_if_conversion): Value number only
3582         the loop body by making the latch an exit of the region
3583         as well.
3584         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3585         processing PHIs.
3586         (do_rpo_vn): Deal with multiple edges into the entry block
3587         that are not backedges inside the region by skipping PHIs
3588         of the entry block.
3589
3590 2019-05-13  Richard Biener  <rguenther@suse.de>
3591
3592         PR tree-optimization/90316
3593         * tree-ssa-pre.c (insert_aux): Fold into ...
3594         (insert): ... this function.  Use a RPO walk to reduce the
3595         number of required iterations.
3596
3597 2019-05-13  Martin Liska  <mliska@suse.cz>
3598
3599         PR tree-optimization/90416
3600         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3601         string instead of passing the second part as va_arg argument.
3602
3603 2019-05-13  Martin Liska  <mliska@suse.cz>
3604
3605         PR gcov-profile/90380
3606         * gcov.c (handle_cycle): Do not support zero cycle count,
3607         it should not be possible.
3608         (path_contains_zero_cycle_arc): New function.
3609         (circuit): Ignore zero cycle arc counts.
3610
3611 2019-05-13  Martin Liska  <mliska@suse.cz>
3612
3613         PR gcov-profile/90380
3614         * gcov.c (enum loop_type): Remove the enum and
3615         the operator.
3616         (handle_cycle): Assert that we should not reach
3617         a negative count.
3618         (circuit): Use loop_found instead of a tri-state loop_type.
3619         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3620         happen.
3621
3622 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3623
3624         PR target/82920
3625         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3626         (ix86_output_indirect_branch_via_reg): Use output mechanism
3627         accounting for __USER_LABEL_PREFIX__.
3628         (ix86_output_indirect_branch_via_push): Likewise.
3629         (ix86_output_function_return): Likewise.
3630         (ix86_output_indirect_function_return): Likewise.
3631
3632 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3633
3634         * doc/md.texi: Document use of code attributes in rtx patterns.
3635         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3636         * read-rtl.c (find_code): Split out search loops into...
3637         (maybe_find_code): ...this new function.
3638         (check_code_iterator): Make the error message more informative.
3639         (check_code_attribute): New function.
3640         (rtx_reader::rtx_alloc_for_name): Likewise.
3641         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3642         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3643         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3644         <max_opp> directly as an rtx code instead of via a match_operator.
3645         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3646         (<su>abd<mode>_3): Update accordingly.
3647
3648 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3649
3650         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3651         is given, print the state of the EH "save world" computation for
3652         Darwin.
3653
3654 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3655
3656         PR c++/59813
3657         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3658         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3659
3660 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3661
3662         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3663         Use pinsrd for TARGET_SSE4_1.
3664         * config/i386/sse.md (movdi_to_sse): Ditto.
3665
3666 2019-05-10  Richard Biener  <rguenther@suse.de>
3667
3668         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3669         (do_rpo_vn): Initialize next_value_id.
3670
3671 2019-05-10  Martin Liska  <mliska@suse.cz>
3672
3673         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3674         Fix plural form.
3675
3676 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3677
3678         PR tree-optimization/90385
3679         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3680         arguments of the exit phis.
3681
3682         PR c++/90383
3683         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3684         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3685         id->do_not_fold.
3686         (copy_tree_body_r): Likewise.
3687         (copy_fn): Set id.do_not_fold to true.
3688
3689 2019-05-10  Martin Liska  <mliska@suse.cz>
3690
3691         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3692         Reapply changes from r269790.
3693
3694 2019-05-10  Martin Liska  <mliska@suse.cz>
3695
3696         PR middle-end/90340
3697         * doc/invoke.texi: New params.
3698         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3699         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3700         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3701         Use it.
3702         * tree-switch-conversion.h (struct jump_table_cluster):
3703         Likewise.
3704
3705 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3706
3707         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3708
3709 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3710
3711         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3712
3713 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3714
3715         PR rtl-optimization/88879
3716         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3717
3718 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3719
3720         PR target/90405
3721         * config/arm/arm.c (callee_saved_reg_p): Move before
3722         thumb_find_work_register.
3723         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3724         thumb_find_work_register.  Only call df_get_live_out once.
3725         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3726         (thumb_find_work_register): Use
3727         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3728         algorithms to locate a spare call clobbered reg.
3729
3730 2019-05-09  Martin Liska  <mliska@suse.cz>
3731
3732         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3733         and MAX_EXPR in GIMPLE FE format.
3734
3735 2019-05-09  Martin Liska  <mliska@suse.cz>
3736
3737         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3738         * gimple-pretty-print.c (dump_gimple_bb_header):
3739         Dump BB count.
3740         (pp_cfg_jump): Dump edge probability.
3741         * profile-count.c (profile_quality_as_string): Simplify
3742         with a static array.
3743         (parse_profile_quality): New function.
3744         (profile_count::dump): Simplify with a static array.
3745         (profile_count::from_gcov_type): Add new argument.
3746         * profile-count.h (parse_profile_quality): Likewise.
3747         * predict.h (set_hot_bb_threshold): New.
3748         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3749         New param.
3750         * predict.c (get_hot_bb_threshold): Set from the new param.
3751         (set_hot_bb_threshold): New.
3752
3753 2019-05-09  Richard Biener  <rguenther@suse.de>
3754
3755         PR tree-optimization/90395
3756         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3757         rewrite vector stores that throw internally.
3758
3759 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3760
3761         * cif-code.def (CHKP): Remove.
3762
3763         PR target/89221
3764         * configure.ac (--enable-frame-pointer): Disable by default for
3765         GNU systems.
3766         * configure: Regenerate.
3767
3768 2019-05-09  Alan Modra  <amodra@gmail.com>
3769
3770         PR target/89271
3771         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3772         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3773         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3774         cost for general <-> vsx when direct moves are available.
3775         Cost union classes at minimal cost for any reg in the class.
3776         Correct calculation for moves between vsx, float, and altivec.
3777         Don't return a low cost for moves between special regs.  Don't
3778         use hard coded register numbers.
3779         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3780         (rs6000_ira_change_pseudo_allocno_class): New function.
3781         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3782         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3783         alternatives.
3784         (movsi_internal1): Don't disparage vector alternatives.
3785         (mov<mode>_internal): Likewise, excepting alternative that
3786         will be split.
3787         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3788         we <- b alternative.
3789
3790 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3791
3792         PR c++/59813
3793         PR tree-optimization/89060
3794         * tree-ssa-live.h (live_vars_map): New typedef.
3795         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3796         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3797         (struct compute_live_vars_data): New type.
3798         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3799         live_vars_at_stmt, destroy_live_vars): New functions.
3800         * tree-tailcall.c: Include tree-ssa-live.h.
3801         (live_vars, live_vars_vec): New global variables.
3802         (find_tail_calls): Perform variable life analysis before punting.
3803         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3804         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3805         member.
3806         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3807         Perform variable life analysis to select variables that really need
3808         clobbers added.
3809         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3810         instead set id->eh_landing_pad_dest and assert it is the same.
3811         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3812
3813 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3814             Richard Earnshaw  <rearnsha@arm.com>
3815
3816         PR target/88167
3817         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3818         function.
3819         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3820         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3821         register if both the epilogue and prologue can use call-clobbered
3822         regs.
3823         (thumb1_unexpanded_epilogue): Use
3824         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3825         picking temporaries for restoring high regs to match that of the
3826         prologue where possible.
3827         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3828         the list of work registers.  Detect if the return address is still live
3829         at the end of the prologue and avoid using it for a work register if so.
3830         If the return address is not live, add LR to the list of pushable regs
3831         after the first pass.
3832
3833 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3834
3835         PR tree-optimization/90078
3836         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3837         (INFTY): Increase the value for infinite cost.
3838         (struct comp_cost): Promote type of members to int64_t.
3839         (infinite_cost): Don't set complexity in initialization.
3840         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3841         overflows to infinite_cost.
3842         (adjust_setup_cost): Promote type of parameter and cost computation
3843         to int64_t.
3844         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3845         int64_t.
3846         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3847         cost computation to int64_t.
3848         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3849         int64_t's format specifier in dump.
3850
3851 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3852
3853         PR tree-optimization/90240
3854         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3855         with respect to scaling factor pre-computed for each basic block.
3856         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3857         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3858         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3859         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3860         live range for array of loop's basic blocks.  Cleanup aux field of
3861         loop's basic blocks.
3862
3863 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3864
3865         PR tree-optimization/90356
3866         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3867
3868 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3869
3870         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3871         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3872         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3873         (ix86_handle_option): Handle -mavx512bf16.
3874         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3875         to extra_headers.
3876         * config/i386/avx512bf16vlintrin.h: New.
3877         * config/i386/avx512bf16intrin.h: New.
3878         * config/i386/cpuid.h (bit_AVX512BF16): New.
3879         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3880         * config/i386/i386-builtin-types.def: Add new types.
3881         * config/i386/i386-builtin.def: Add new builtins.
3882         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3883         __AVX512BF16__.
3884         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3885         (ix86_option_override_internal): Handle BF16.
3886         (ix86_valid_target_attribute_inner_p): Ditto.
3887         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3888         * config/i386/i386-builtin.c (enum processor_features): Add
3889         F_AVX512BF16.
3890         (static const _isa_names_table isa_names_table): Ditto.
3891         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3892         (PTA_AVX512BF16): Ditto.
3893         * config/i386/i386.opt: Add -mavx512bf16.
3894         * config/i386/immintrin.h: Include avx512bf16intrin.h
3895         and avx512bf16vlintrin.h.
3896         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3897         avx512f_cvtneps2bf16_<mode><mask_name>,
3898         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3899         * config/i386/subst.md (mask_half): Add new subst.
3900         * doc/invoke.texi: Document -mavx512bf16.
3901
3902 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3903
3904         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3905         Delete declaration.
3906         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3907         (rs6000_debug_legitimize_reload_address): Delete.
3908         (rs6000_legitimize_reload_address_ptr): Delete.
3909         (rs6000_option_override_internal): Adjust.
3910         (mem_operand_gpr): Adjust comment.
3911         (legitimate_lo_sum_address_p): Ditto.
3912         (rs6000_legitimize_reload_address): Delete.
3913         (rs6000_debug_legitimize_reload_address): Delete.
3914         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3915
3916 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3917
3918         PR target/89765
3919         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3920         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3921         to compute vector element selector for both constant and variable
3922         operands.
3923
3924 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3925
3926         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3927         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3928         ashrdi3_cvt using SWI48 mode iterator.
3929
3930 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3931
3932         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3933         (aarch64_<su>abd<mode>_3): Likewise.
3934         (*aarch64_<su>abd<mode>_3): New define_insn.
3935         (<sur>sad<vsi2qi>): New define_expand.
3936         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3937         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3938         (build_vect_cond_expr): Likewise.
3939
3940 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3941
3942         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3943         clobbers outside of accessible_reg_set.
3944         * config/i386/i386.c (ix86_conditional_register_usage):
3945         Disable register sets by clearing corresponding bits in
3946         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3947         call_used_regs and don't clear corresponding reg_names array members.
3948
3949 2019-05-07  Richard Biener  <rguenther@suse.de>
3950
3951         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3952         not specified still compute a comp_vectype for invariant
3953         compares.
3954
3955 2019-05-07  Richard Biener  <rguenther@suse.de>
3956
3957         PR tree-optimization/90316
3958         * tree-ssa-pre.c (translate_vuse_through_block): When
3959         same_valid is NULL do not bother to search for a virtual
3960         PHI continuation.
3961         (phi_translate_1): When operands changed we cannot keep
3962         the same value-number so do not bother to ask whether
3963         that's possible from translate_vuse_through_block.
3964
3965 2019-05-07  Martin Liska  <mliska@suse.cz>
3966
3967         * bitmap.c (bitmap_register): Come up with
3968         alloc_descriptor_max_uid and assign it for
3969         a new bitmap.
3970         (register_overhead): Use get_descriptor as
3971         a descriptor.
3972         (release_overhead): New.
3973         (bitmap_elem_to_freelist): Call it.
3974         (bitmap_elt_clear_from): Likewise.
3975         (bitmap_obstack_free): Likewise.
3976         (bitmap_move): Sensitively release memory.
3977         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
3978         (bitmap_initialize): Initialize alloc_descriptor to zero.
3979         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
3980
3981 2019-05-07  Richard Biener  <rguenther@suse.de>
3982
3983         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
3984         we build a SLP node.  Remove max_size and limiting.
3985         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
3986
3987 2019-05-07  Richard Biener  <rguenther@suse.de>
3988
3989         PR tree-optimization/90316
3990         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
3991         limit by reference.
3992         (walk_non_aliased_vuses): Take walking limit argument.
3993         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
3994         walking if it is reached instead of just counting.
3995         (get_continuation_for_phi): Likewise.
3996         (walk_non_aliased_vuses): Likewise, instead of leaving counter
3997         limiting to the callback.
3998         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
3999         (vn_reference_lookup_3): Likewise.
4000         (vn_reference_lookup_pieces): Likewise.
4001         (vn_reference_lookup): Likewise.
4002         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
4003         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
4004         (avail_exprs_stack::lookup_avail_expr): Likewise.
4005
4006 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
4007
4008         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
4009         for comparaible types in the second direction even if first one
4010         hits incomparable type.
4011
4012 2019-05-07  Richard Biener  <rguenther@suse.de>
4013
4014         PR lto/90369
4015         * lto-wrapper.c (debug_objcopy): Use the original filename
4016         including archive offset for the filename used for -save-temps.
4017
4018 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
4019
4020         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
4021         detection.
4022
4023 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4024             Hongtao Liu  <hongtao.liu@intel.com>
4025
4026         PR target/89750
4027         PR target/86444
4028         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
4029         Modified, original implementation isn't correct.
4030
4031 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4032
4033         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
4034         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
4035         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
4036         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
4037         (FRAME_POINTER_REGNUM): Change numbering.
4038         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
4039         (alt_reg_names): Adjust.
4040         (rs6000_conditional_register_usage): Don't mark hard register 64 as
4041         fixed.
4042         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4043         (DWARF_FRAME_REGISTERS): Delete.
4044         (DWARF2_FRAME_REG_OUT): Fix whitespace.
4045         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4046         Adjust.
4047         (REG_ALLOC_ORDER): Adjust.
4048         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
4049         (REG_CLASS_CONTENTS): Adjust.
4050         (RETURN_ADDR_RTX): Change comment.
4051         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
4052         instead of 67.
4053         (REGISTER_NAMES): Adjust.
4054         (ADDITIONAL_REGISTER_NAMES): Adjust.
4055         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4056
4057 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4058
4059         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
4060         Delete.
4061         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4062         (DWARF_FRAME_REGISTERS): Adjust.
4063         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4064         Adjust.
4065         (REG_ALLOC_ORDER): Adjust.
4066         (enum reg_class): Delete SPR_REGS.
4067         (REG_CLASS_NAMES): Delete SPR_REGS.
4068         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
4069         (REGISTER_NAMES): Adjust.
4070         (ADDITIONAL_REGISTER_NAMES): Adjust.
4071         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4072         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
4073         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
4074         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
4075         (htm_spr_regno): Delete.
4076         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
4077         argument.
4078         (rs6000_dbx_register_number): Adjust.
4079
4080 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4081
4082         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
4083
4084 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4085
4086         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
4087         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
4088
4089 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
4090
4091         PR tree-optimization/88709
4092         PR tree-optimization/90271
4093         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
4094         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
4095         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
4096         variable.
4097         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
4098         of the store merging group is larger than
4099         PARAM_STORE_MERGING_MAX_SIZE parameter.
4100         (split_group): Add bzero_first argument.  If set, always emit first
4101         the first store which must be = {} of the whole area and then for the
4102         rest of the stores consider all zero bytes as paddings.
4103         (imm_store_chain_info::output_merged_store): Check if first store
4104         is = {} of the whole area and if yes, determine which setting of
4105         bzero_first for split_group gives smaller number of stores.  Adjust
4106         split_group callers.
4107         (lhs_valid_for_store_merging_p): Allow decls.
4108         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
4109         no elts.
4110         (pass_store_merging::process_store): Likewise.
4111
4112 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4113
4114         PR target/89424
4115         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
4116         handling of V1TImode.
4117
4118 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
4119
4120         PR target/89221
4121         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
4122         and enable_frame_pointer ...
4123         * configure.ac: ... here.  Update help strings for
4124         --enable-frame-pointer.
4125         * configure: Regenerate.
4126         * config/i386/i386-options.c (ix86_option_override_internal): Remove
4127         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
4128         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
4129         (USE_X86_64_FRAME_POINTER): Ditto.
4130
4131 2019-05-06  Martin Liska  <mliska@suse.cz>
4132
4133         * config.gcc: Append to target_gtfiles and fix indentation.
4134
4135 2019-05-06  Richard Biener  <rguenther@suse.de>
4136
4137         PR tree-optimization/90358
4138         * tree-vect-stmts.c (get_group_load_store_type): Properly
4139         detect unused upper half of load.
4140         (vectorizable_load): Likewise.
4141
4142 2019-05-06  Richard Biener  <rguenther@suse.de>
4143
4144         PR tree-optimization/88828
4145         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
4146         (simplify_vector_constructor): ...here.  Handle constants in
4147         the constructor.
4148
4149 2019-05-06  Richard Biener  <rguenther@suse.de>
4150
4151         PR tree-optimization/90328
4152         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
4153         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
4154         is valid in the loop nest before using it.
4155         (initialize_data_dependence_relation): Adjust.
4156         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
4157         loop as loop-nest to dr_may_alias_p.
4158
4159 2019-05-06  Richard Biener  <rguenther@suse.de>
4160
4161         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
4162
4163 2019-05-06  Richard Biener  <rguenther@suse.de>
4164
4165         PR tree-optimization/90316
4166         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
4167         compute target on demand.
4168         (get_continuation_for_phi): Remove code walking stmts to
4169         get to a target virtual operand which could end up being
4170         quadratic.
4171
4172 2019-05-06  Martin Liska  <mliska@suse.cz>
4173
4174         PR sanitizer/90312
4175         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4176         when -mabi is selected to a non-default version.
4177
4178 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4179             Martin Liska  <mliska@suse.cz>
4180
4181         * Makefile.in: Add lto-dump.texi.
4182         * cgraph.h: Add new functions get_visibility_string and
4183         get_symtab_type_string.
4184         * doc/gcc.texi: Include lto-dump section.
4185         * doc/lto-dump.texi: New file.
4186         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4187         (parse_dump_option): Factor out this function.
4188         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4189         (parse_dump_option): Export the function.
4190         * symtab.c (symtab_node::get_visibility_string): New function.
4191         (symtab_node::get_symtab_type_string): Likewise.
4192
4193 2019-05-06  Martin Liska  <mliska@suse.cz>
4194
4195         * config/i386/i386-builtins.c: New file.
4196         * config/i386/i386-builtins.h: New file.
4197         * config/i386/i386-expand.c: New file.
4198         * config/i386/i386-expand.h: New file.
4199         * config/i386/i386-features.c: New file.
4200         * config/i386/i386-features.h: New file.
4201         * config/i386/i386-options.c: New file.
4202         * config/i386/i386-options.h: New file.
4203         * config.gcc: Add new files into extra_objs and
4204         target_gtfiles.
4205         * config/i386/i386.c: Split content of the file
4206         into newly introduced files.
4207         * config/i386/i386.h: Declare common variables
4208         and macros.
4209         * config/i386/t-i386: Define dependencies for new files.
4210
4211 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4212
4213         PR target/89400
4214         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4215         Restrict 'all' variant to 32-bit configurations.
4216         (unaligned_loadhiu): Likewise.
4217         (unaligned_storehi): Likewise.
4218         (unaligned_storesi): Likewise.
4219         (unaligned_loadhis): Disable when compiling for thumb1.
4220
4221 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4222
4223         PR tree-optimization/90269
4224         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4225         Ignore clobbers.
4226
4227 2019-05-03  Martin Liska  <mliska@suse.cz>
4228
4229         * hash-map.h: Add is_empty function.
4230         * hash-set.h: Likewise.
4231         * hash-table.h: Likewise.
4232         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4233         elements () == 0 (and similar usages).
4234         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4235         * gimplify.c (gimplify_bind_expr): Likewise.
4236         (gimplify_switch_expr): Likewise.
4237         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4238         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4239         * postreload-gcse.c (dump_hash_table): Likewise.
4240         (gcse_after_reload_main): Likewise.
4241         * predict.c (combine_predictions_for_bb): Likewise.
4242         * tree-parloops.c (reduction_phi): Likewise.
4243         (separate_decls_in_region): Likewise.
4244         (transform_to_exit_first_loop): Likewise.
4245         (gen_parallel_loop): Likewise.
4246         (gather_scalar_reductions): Likewise.
4247         (try_create_reduction_list): Likewise.
4248         * var-tracking.c (dump_vars): Likewise.
4249         (emit_notes_for_changes): Likewise.
4250         (vt_emit_notes): Likewise.
4251
4252 2019-05-03  Richard Biener  <rguenther@suse.de>
4253
4254         PR tree-optimization/90316
4255         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4256         before running VN.
4257
4258 2019-05-03  Richard Biener  <rguenther@suse.de>
4259
4260         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4261         peeling for gaps by loading only lower halves of vectors
4262         if possible.
4263         (vectorizable_load): Likewise.
4264
4265 2019-05-03  Richard Biener  <rguenther@suse.de>
4266
4267         PR middle-end/89518
4268         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4269
4270 2019-05-03  Richard Biener  <rguenther@suse.de>
4271
4272         PR middle-end/87314
4273         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4274         Handle STRING_CST vs DECL or STRING_CST.
4275
4276 2019-05-03  Richard Biener  <rguenther@suse.de>
4277
4278         PR tree-optimization/88963
4279         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4280         vector loads feeding only BIT_FIELD_REFs to component
4281         loads.  Rewrite stores fed by CONSTRUCTORs to component
4282         stores.
4283
4284 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4285
4286         * opts.h (finish_options): Remove lang_mask argument.
4287         (print_help, help_option_argument): Declare.
4288         * opts.c (print_help): Remove forward declaration, no longer static.
4289         (finish_options): Remove lang_mask argument, don't call print_help
4290         here.
4291         * opts-global.c (decode_options): Adjust finish_option caller, call
4292         print_help here.
4293
4294         PR tree-optimization/90303
4295         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4296         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4297
4298 2019-05-03  Richard Biener  <rguenther@suse.de>
4299
4300         PR tree-optimization/89698
4301         * gimple-fold.c (canonicalize_constructor_val): Early out
4302         for constants, handle unfolded INTEGER_CSTs as they appear in
4303         C++ virtual table ctors.
4304
4305 2019-05-03  Richard Biener  <rguenther@suse.de>
4306
4307         * passes.c (execute_function_todo): Remove dead code.
4308
4309 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4310
4311         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4312         the internal register number, for any "real" register.
4313
4314 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4315
4316         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4317         correct numbers for TFHAR, TFIAR, TEXASR.
4318
4319 2019-05-02  Richard Biener  <rguenther@suse.de>
4320
4321         PR tree-optimization/89653
4322         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4323         update-address-taken before the pass.
4324         * passes.def (pass_tree_loop_init): Put comment before it.
4325
4326 2019-05-02  Richard Biener  <rguenther@suse.de>
4327
4328         PR tree-optimization/89509
4329         * tree-ssa-structalias.c (compute_dependence_clique): Look
4330         at the first subvar when determining whether it is restrict.
4331
4332 2019-05-02  Richard Biener  <rguenther@suse.de>
4333
4334         PR tree-optimization/90273
4335         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4336         useless debug stmts.
4337
4338 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4339
4340         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4341         ACLE branch.
4342         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4343         SVE ACLE branch.
4344         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4345         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4346         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4347         (vectorizable_reduction): Use the functions above to vectorize in a
4348         fully masked loop codes that don't have a conditional internal
4349         function.
4350
4351 2019-05-02  Martin Liska  <mliska@suse.cz>
4352
4353         * cgraphclones.c: Call valid_attribute_p with 1 for
4354         target_clone.
4355         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4356         it's for target attribute.
4357         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4358         Add new boolean argument.
4359         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4360         Likewise.
4361         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4362         to ix86_valid_target_attribute_inner_p.
4363         (ix86_valid_target_attribute_p): Pass flags argument to
4364         ix86_valid_target_attribute_inner_p.
4365         (get_builtin_code_for_version): Use 0 as it's target attribute.
4366
4367 2019-05-02  Martin Liska  <mliska@suse.cz>
4368
4369         * gcc.c (process_command): Add dummy file only
4370         if n_infiles == 0.
4371         * opts-global.c (decode_options): Pass lang_mask.
4372         * opts.c (print_help): New function.
4373         (finish_options): Print --help if help_option_argument
4374         is set.
4375         (common_handle_option): Factor out content of OPT__help_
4376         into print_help.
4377         * opts.h (finish_options): Add new argument.
4378
4379 2019-05-02  Martin Liska  <mliska@suse.cz>
4380
4381         PR target/88809
4382         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4383         With -minline-all-stringops use inline expansion using 4B loop.
4384         * doc/invoke.texi: Document the change of
4385         -minline-all-stringops.
4386
4387 2019-05-01  Jeff Law  <law@redhat.com>
4388
4389         PR tree-optimization/88797
4390         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4391         PHI feeds a conditional on the RHS of an assignment.
4392
4393 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4394             Jim Wilson  <jimw@sifive.com>
4395
4396         * config/riscv/constraints.md (L): New.
4397         * config/riscv/predicates.md (lui_operand): New.
4398         (sfb_alu_operand): New.
4399         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4400         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4401         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4402         * config/riscv/risc.md (type): Add sfb_alu.
4403         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4404         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4405         (branch_zero<mode>): Delete.
4406         (mov<mode>cc): New.
4407         (mov<GPR:mode><X:mode>cc): Likewise.
4408         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4409
4410 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4411
4412         * tree.h (MARK_TS_EXP): New.
4413
4414 2019-04-30  Martin Liska  <mliska@suse.cz>
4415
4416         * opts.c (enable_warning_as_error): Provide hints
4417         for unknown options.
4418
4419 2019-04-30  Martin Liska  <mliska@suse.cz>
4420
4421         PR debug/90288
4422         * doc/invoke.texi: Add missing dash for gas-locview-support
4423         and gno-as-locview-support.
4424
4425 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4426
4427         PR target/89093
4428         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4429         whitespace at the start of target attribute string.
4430
4431 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4432
4433         PR target/86538
4434         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4435         Define __ARM_FEATURE_ATOMICS.
4436
4437 2019-04-30  Martin Liska  <mliska@suse.cz>
4438
4439         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4440         into built_in_function enum. Remove code for endp == 2 and
4441         use BUILT_IN_* constants.
4442         (gimple_fold_builtin): Call the function with fcode.
4443
4444 2019-04-30  Martin Liska  <mliska@suse.cz>
4445
4446         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4447         DECL_FUNCTION_CODE into ix86_builtins enum before
4448         the switch statement.
4449
4450 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4451
4452         PR tree-optimization/89475
4453         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4454         calls.
4455
4456 2019-04-30  Martin Liska  <mliska@suse.cz>
4457
4458         PR translation/90274
4459         * opts.c (print_filtered_help): Wrap string in _(...).
4460
4461 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4462
4463         PR tree-optimization/90240
4464         Revert:
4465         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4466
4467         PR tree-optimization/90078
4468         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4469         checks for infinite_cost overflow.
4470
4471 2019-04-29  Jeff Law  <law@redhat.com>
4472
4473         * passes.def: Move -Wrestrict pass after copy propagation.
4474
4475 2019-04-29  Maya Rashish  <coypu@sdf.org>
4476
4477         * config.gcc (default_gnu_indirect_function): Default to yes
4478         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4479         sparc*-*-netbsd*, x86_64-*-netbsd*.
4480
4481 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4482
4483         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4484         where cond2 is NE_EXPR.
4485         (is_value_included_in): Update comment.
4486
4487 2019-04-29  Richard Biener  <rguenther@suse.de>
4488
4489         PR tree-optimization/90278
4490         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4491         EH on comparison simplification.
4492
4493 2019-04-29  Jason Merrill  <jason@redhat.com>
4494
4495         PR c++/82081 - tail call optimization breaks noexcept
4496         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4497         nothrow function to a might-throw function into a tail call.
4498
4499 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4500
4501         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4502         (DDR_INNER_LOOP): Likewise.
4503         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4504         (initialize_data_dependence_relation): Likewise.
4505         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4506
4507 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4508
4509         PR rtl-optimization/90257
4510         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4511         return value.
4512
4513         Revert the revert:
4514         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4515
4516         PR target/90178
4517         Revert:
4518         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4519
4520         Revert the revert:
4521         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4522
4523         Revert:
4524         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4525
4526         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4527
4528 2019-04-29  Richard Biener  <rguenther@suse.de>
4529
4530         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4531         rhs issue a reset.
4532
4533 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4534
4535         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4536         varasm.h, and netbsd-protos.h.
4537
4538 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4539
4540         PR target/89261
4541         * config/i386/i386-protos.h (ix86_data_alignment): Change
4542         the second argument type to unsigned int.
4543         * config/i386/i386.c (ix86_data_alignment): Change "align"
4544         argument type to unsigned int.
4545
4546 2019-04-27  Martin Liska  <mliska@suse.cz>
4547
4548         PR middle-end/90258
4549         * opt-suggestions.c (option_proposer::build_option_suggestions):
4550         When get_valid_option_values returns empty values, add the
4551         misspelling candidate.
4552
4553 2019-04-26  Jim Wilson  <jimw@sifive.com>
4554
4555         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4556         parameter.
4557         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4558         Pass orig_mode to riscv_build_integer.
4559         (riscv_split_integer): Pass mode to riscv_move_integer.
4560         (riscv_legitimize_const_move): Likewise.
4561         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4562         promoted_mode.  Replace force_reg call with code to load constant into
4563         promoted reg and then subreg it for the store.
4564         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4565         riscv_move_integer.
4566
4567 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4568
4569         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4570         corrupt codes.
4571
4572 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4573
4574         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4575         commentary about the encoding of precision.
4576
4577 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4578
4579         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4580         * config/i386/t-freebsd64: New file.
4581         * config.gcc: Add the t-freebsd64 for multilib support.
4582
4583 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4584
4585         * doc/extend.texi (vector_size): Add missing comma after @xref.
4586
4587 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4588
4589         * BASE-VER: Set to 10.0.0.
4590
4591 2019-04-25  Richard Biener  <rguenther@suse.de>
4592
4593         PR middle-end/89765
4594         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4595         VIEW_CONVERT_EXPR into one operating on an rvalue.
4596
4597 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4598
4599         PR target/89929
4600         * config/i386/i386.c (feature_priority): Moved to file scope.
4601         (processor_features): Likewise.
4602         (processor_model): Likewise.
4603         (_arch_names_table): Likewise.
4604         (arch_names_table): Likewise.
4605         (_feature_list): Removed.
4606         (feature_list): Likewise.
4607         (_isa_names_table): Moved to file scope.  Add priority.
4608         (isa_names_table): Likewise.
4609         (get_builtin_code_for_version): Replace feature_list with
4610         isa_names_table.  Update error message for P_ZERO priority.
4611
4612 2019-04-25  Richard Biener  <rguenther@suse.de>
4613
4614         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4615         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4616
4617 2019-04-24  Jeff Law  <law@redhat.com>
4618
4619         PR tree-optimization/90037
4620         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4621         * passes.def: Replace all instance of phi-only cprop with the
4622         lattice propagator.  Move propagation pass from after erroneous
4623         path isolation to before erroneous path isolation.
4624         * tree-ssa-phionlycprop.c: Remove.
4625
4626 2019-04-24  Richard Biener  <rguenther@suse.de>
4627
4628         PR middle-end/90213
4629         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4630         by size and BITS_PER_UNIT on poly-wide-ints.
4631
4632 2019-04-25  Richard Biener  <rguenther@suse.de>
4633
4634         PR middle-end/90194
4635         * match.pd: Add pattern to simplify view-conversion of an
4636         empty constructor.
4637
4638 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4639
4640         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4641         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4642         for Go on 32 bit AIX.
4643         * config/rs6000/aix72.h: Likewise.
4644
4645 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4646
4647         PR target/90193
4648         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4649         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4650
4651 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4652
4653         PR target/89952
4654         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4655         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4656         for restored hard frame pointer.
4657         (s390_sched_dependencies_evaluation): Implement new target hook.
4658         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4659
4660 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4661
4662         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4663         * config/arc/arc.c (arc_init): Cleanup warning message.
4664         (arc_override_options): Likewise.
4665
4666 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4667
4668         PR target/90187
4669         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4670         a register if both if_true and if_false are MEMs.
4671
4672         PR tree-optimization/90208
4673         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4674         after labels of new_bb, not before them.
4675
4676         PR tree-optimization/90211
4677         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4678         which are not SSA_NAMEs.
4679
4680 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4681
4682         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4683         AArch64.
4684         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4685
4686 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4687
4688         PR rtl-optimization/87979
4689         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4690         not equal zero.
4691
4692 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4693
4694         PR rtl-optimization/84032
4695         * modulo-sched.c (ps_insn_find_column): Change condition so that
4696         branch will always be the last insn in a row inside partial
4697         schedule.
4698
4699 2019-04-23  Richard Biener  <rguenther@suse.de>
4700
4701         PR debug/90131
4702         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4703         dest_single_pred_p argument.
4704         (remove_forwarder_block): Adjust.
4705         (remove_forwarder_block_with_phi): Likewise.
4706
4707 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4708             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4709             Jakub Jelinek  <jakub@redhat.com>
4710
4711         PR target/89093
4712         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4713         if used with general-regs-only.
4714         (arm_conditional_register_usage): Don't add non-general regs if
4715         general-regs-only.
4716         (arm_valid_target_attribute_rec): Handle general-regs-only.
4717         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4718         general-regs-only.
4719         (TARGET_HARD_FLOAT_SUB): Define.
4720         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4721         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4722         (TARGET_REALLY_IWMMXT2): Likewise.
4723         * config/arm/arm.opt: Add -mgeneral-regs-only.
4724         * doc/extend.texi: Document ARM general-regs-only target.
4725         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4726
4727 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4728
4729         PR tree-optimization/90078
4730         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4731         checks for infinite_cost overflow.
4732
4733 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4734
4735         PR tree-optimization/90021
4736         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4737         and check univariate against it.
4738         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4739         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4740
4741 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4742
4743         PR target/90178
4744         Revert:
4745         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4746
4747         Revert the revert:
4748         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4749
4750         Revert:
4751         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4752
4753         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4754
4755 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4756
4757         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4758         names using operand format, rather than hard-wired.
4759         (speculation_barrier): Likewise.
4760
4761 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4762
4763         PR tree-optimization/88055
4764         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4765         (gen_one_condition): Use it if !HONOR_NANS.
4766
4767 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4768
4769         PR middle-end/90139
4770         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4771         assign_temp instead of gen_reg_rtx.
4772
4773 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4774
4775         PR translation/90118
4776         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4777         Add missing space before %<.
4778
4779 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4780
4781         PR rtl-optimization/87871
4782         * ira-lives.c (make_object_dead): Don't add conflicts to
4783         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4784
4785 2019-04-18  Martin Sebor  <msebor@redhat.com>
4786
4787         PR middle-end/89797
4788         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4789         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4790         assuming type size fits in SHWI.
4791
4792 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4793
4794         PR ipa/85051
4795         * ipa-inline.c (flatten_function): New parameter UPDATE.
4796         (ipa_inline, early_inliner): Use it.
4797
4798 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4799
4800         * fold-const.c (int_const_binop): Return early on failure.
4801
4802 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4803
4804         PR middle-end/85164
4805         * combine.c (force_int_to_mode): Cast the argument rather than
4806         the result of known_alignment.
4807         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4808
4809 2019-04-18  Richard Biener  <rguenther@suse.de>
4810
4811         PR debug/90131
4812         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4813         out from ...
4814         (remove_forwarder_block): ... here.
4815         (remove_forwarder_block_with_phi): Also move debug stmts here.
4816
4817 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4818
4819         PR translation/79183
4820         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4821         inform where appropriate.
4822
4823 2019-04-18  Richard Biener  <rguenther@suse.de>
4824
4825         * tree.c (get_qualified_type): Put found type variants at the
4826         head of the variant list.
4827
4828 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4829
4830         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4831
4832 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4833
4834         PR target/90125
4835         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4836         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4837         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4838         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4839         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4840
4841 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4842
4843         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4844         even for allocno's with no conflicts.
4845         (print_conflicts): Print an extra newline.
4846
4847 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4848
4849         * auto-inc-dec.c (attempt_change): Set the alignment of the
4850         temporary memory to that of the original.
4851
4852 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4853
4854         * targhooks.c (default_print_patchable_function_entry): Emit
4855         __patchable_function_entries section with writable flags to allow
4856         relocation resolution.
4857
4858 2019-04-17  Jonny Grant  <jg@jguk.org>
4859
4860         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4861
4862 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4863
4864         PR middle-end/90095
4865         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4866         on lowpart SUBREGs.
4867
4868 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4869
4870         * config/arc/arc.c (arc_init): Format diagnostic string.
4871         (arc_override_options): Likewise.
4872         (check_if_valid_regno_const): Likewise.
4873         (arc_reorg): Likewise.
4874
4875 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4876
4877         PR target/17108
4878         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4879         name.
4880         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4881         name.
4882         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4883         (*movdi_update1): Use Pmode.
4884         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4885         (movdi_<mode>_update_stack): Rename to ...
4886         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4887         use Pmode.
4888         (*movsi_update1): Use Pmode.
4889         (*movsi_update2): Use Pmode.
4890         (movsi_update): Rename to ...
4891         (movsi_<mode>_update): ... this.  Use Pmode.
4892         (movsi_update_stack): Fix condition.
4893         (*movhi_update1): Use Pmode.  Fix argument to
4894         avoiding_indexed_address_p.
4895         (*movhi_update2): Ditto.
4896         (*movhi_update3): Ditto.
4897         (*movhi_update4): Ditto.
4898         (*movqi_update1): Ditto.
4899         (*movqi_update2): Ditto.
4900         (*movqi_update3): Ditto.
4901         (*movsf_update1, *movdf_update1): Merge, rename to...
4902         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4903         avoiding_indexed_address_p.  Add "size" attribute.
4904         (*movsf_update2, *movdf_update2): Merge, rename to...
4905         (*mov<mode>_update2): This.  Ditto.
4906         (*movsf_update3): Use Pmode.  Fix argument to
4907         avoiding_indexed_address_p.
4908         (*movsf_update4): Ditto.
4909         (allocate_stack): Simplify condition.  Adjust pattern names.
4910
4911 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4912
4913         PR target/89093
4914         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4915         whitespace at the start of target attribute string.
4916
4917 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4918
4919         PR target/84369
4920         * config/rs6000/power9.md: Add store forwarding bypass.
4921
4922 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4923
4924         PR debug/89528
4925         * valtrack.c (dead_debug_insert_temp): Reset debug references
4926         to the return value of a call being removed.
4927
4928 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4929
4930         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4931         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4932         implement target hook.
4933         (arc_memory_move_cost): New function.
4934         (TARGET_REGISTER_MOVE_COST): Define.
4935         (TARGET_MEMORY_MOVE_COST): Likewise.
4936         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4937         (MEMORY_MOVE_COST): Likewise.
4938
4939 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4940
4941         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4942         (sibcall_value_insn): Likewise.
4943         * config/arc/constraints.md (Rs5): Remove.
4944
4945 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4946
4947         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4948         for last two fake registers.
4949         (arc_conditional_register_usage): Make sure fake frame and arg
4950         pointer regs are in general regs class.
4951         (FRAME_POINTER_MASK): Remove.
4952         (RETURN_ADDR_MASK): Remove.
4953         (arc_must_save_register): Use hard frame regnum.
4954         (frame_restore_reg): Use hard_frame_pointer_rtx.
4955         (arc_save_callee_saves): Likewise.
4956         (arc_restore_callee_saves): Likewise.
4957         (arc_save_callee_enter): Likewise.
4958         (arc_restore_callee_leave): Likewise.
4959         (arc_save_callee_milli): Likewise.
4960         (arc_eh_return_address_location): Likewise.
4961         (arc_check_multi): Use hard frame regnum.
4962         (arc_can_eliminate): Likewise.
4963         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4964         for register allocator.
4965         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4966         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4967         (FRAME_POINTER_REGNUM): Change it to a fake register.
4968         (HARD_FRAME_POINTER_REGNUM): Defined.
4969         (ARG_POINTER_REGNUM): Change it to a new fake register.
4970         (ELIMINABLE_REGS): Update.
4971         (REGISTER_NAMES): Update names.
4972         * config/arc/arc.md (LP_START): Remove.
4973         (LP_END): Likewise.
4974         (shift_si3_loop): Update pattern.
4975
4976 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4977
4978         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
4979         to avoid delay slot scheduling.
4980         (arc_must_save_register): Don't save SP.
4981         * config/arc/arc.md (stack_tie): Remove.
4982         (UNSPEC_ARC_STKTIE): Likewise.
4983
4984 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
4985             Shiva Chen  <shiva0217@gmail.com>
4986
4987         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
4988         code gen with large shift amount.
4989
4990 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
4991
4992         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
4993         subreg.
4994
4995 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
4996
4997         PR target/90096
4998         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
4999         print -m64/-mx32/-m32 if it is true.
5000         (ix86_debug_options, ix86_function_specific_print): Pass true as
5001         ADD_ABI_P to ix86_target_string.
5002         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
5003         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
5004         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
5005
5006         PR rtl-optimization/90082
5007         * dce.c (can_delete_call): New function.
5008         (deletable_insn_p, mark_insn): Use it.
5009
5010         PR tree-optimization/90090
5011         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
5012         throw internally.
5013         (is_division_by_square): Likewise.  Formatting fix.
5014
5015 2019-04-16  Richard Biener  <rguenther@suse.de>
5016
5017         PR tree-optimization/56049
5018         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
5019         equality check if alias-set zero will prevail.
5020
5021 2019-04-15  Jeff Law  <law@redhat.com>
5022
5023         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
5024         size and alignment as unsigned.
5025
5026 2019-04-15  Richard Biener  <rguenther@suse.de>
5027
5028         PR debug/90074
5029         * tree-loop-distribution.c (destroy_loop): Preserve correct
5030         debug info.
5031
5032 2019-04-15  Richard Biener  <rguenther@suse.de>
5033
5034         PR tree-optimization/90071
5035         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
5036         abnormal operands from def stmts.
5037
5038 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
5039
5040         PR rtl-optimization/89794
5041         * combine.c (count_auto_inc): New function.
5042         (try_combine): Count how many auto_inc expressions there were in the
5043         original instructions.  Ensure we have the same number in the new
5044         instructions.  Remove the code that tried to ensure auto_inc side
5045         effects on i1 and i0 are not lost.
5046
5047 2019-04-15  Richard Biener  <rguenther@suse.de>
5048
5049         PR ipa/88936
5050         * tree.h (auto_var_p): Declare.
5051         * tree.c (auto_var_p): New function, split out from ...
5052         (auto_var_in_fn_p): ... here.
5053         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
5054         member.
5055         (new_var_info): Initialize it.
5056         (set_uids_in_ptset): Also set the shadow variable uid if required.
5057         (ipa_pta_execute): Postprocess points-to solutions assigning
5058         shadow variable uids for locals that may reach their containing
5059         function recursively.
5060         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
5061         assert but instead check whether the points-to solution is
5062         a singleton.
5063
5064 2019-04-15  Martin Jambor  <mjambor@suse.cz>
5065
5066         PR ipa/pr89693
5067         * cgraph.c (clone_of_p): Loop over clone chain for each step in
5068         the thunk chain.
5069
5070 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5071
5072         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
5073
5074 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5075             Kito Cheng  <kito.cheng@gmail.com>
5076             Shiva Chen  <shiva0217@gmail.com>
5077
5078         * config/nds32/nds32-md-auxiliary.c
5079         (nds32_legitimize_pic_address): Use new PIC pattern.
5080         (nds32_legitimize_tls_address): Use new TLS pattern.
5081         (nds32_output_symrel): New.
5082         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
5083         (nds32_alloc_relax_group_id): Ditto.
5084         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
5085         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
5086         relax_group_id.
5087         (nds32_group_tls_insn): Ditto.
5088         (nds32_group_float_insns): Ditto.
5089         * config/nds32/nds32.md (tls_le): New.
5090         (sym_got): Ditto.
5091
5092 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
5093
5094         * configure: Add nds32 target for dwarf2 debug_line checking.
5095         * configure.ac: Regenerated.
5096
5097 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
5098
5099         PR lto/89358
5100         * ipa-devirt.c (skip_in_fields_list_p): New.
5101         (odr_types_equivalent_p): Use it.
5102
5103 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
5104
5105         PR target/89093
5106         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
5107         instead of strncmp when checking for thumb and arm.  Formatting fixes.
5108
5109 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
5110
5111         * doc/install.texi: Document --with-target-system-zlib.
5112
5113 2019-04-12  Martin Sebor  <msebor@redhat.com>
5114
5115         PR c/88383
5116         PR c/89288
5117         PR c/89798
5118         PR c/89797
5119         * targhooks.c (default_vector_alignment): Avoid assuming
5120         argument fits in SHWI.
5121         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
5122         a shift expression.
5123         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
5124
5125 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5126
5127         PR rtl-optimization/89965
5128         * dce.c: Include rtl-iter.h.
5129         (struct check_argument_load_data): New type.
5130         (check_argument_load): New function.
5131         (find_call_stack_args): Check for loads from stack slots still tracked
5132         in sp_bytes and punt if any is found.
5133
5134         * config/mips/loongson-mmiintrin.h: Fix up #error message.
5135
5136 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
5137
5138         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
5139         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
5140
5141 2019-04-12  Martin Liska  <mliska@suse.cz>
5142
5143         PR middle-end/89970
5144         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
5145         in error message.
5146         (separate_attrs): Handle multiple 'default's.
5147         (expand_target_clones): Rework error handling code.
5148
5149 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5150
5151         PR target/87532
5152         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
5153         mode of vector rather than mode of destination for move instruction.
5154         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
5155         Use QI inner mode with V16QI vector mode.
5156
5157 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5158
5159         PR target/52726
5160         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
5161         "invalid %%t operand" in output_operand_lossage message.
5162
5163 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
5164
5165         * config/s390/predicates.md (permute_pattern_operand): New
5166         predicate.
5167         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5168         operand for the permute pattern.
5169         ("*vec_perm<mode>"): New insn definition.
5170         ("bswap<mode>"): Generate the permute pattern operand in the
5171         expander and perform the operand reloads for pre arch13 level
5172         already.
5173         ("*bswap<mode>_emu"): Rename to ...
5174         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5175         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5176         Add the USE operand for the permute pattern.
5177         ("*vec_set_bswap_vec<mode>"): Likewise.
5178
5179 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5180
5181         PR c/89946
5182         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5183         and gcc_unreachable if it fails, just call tree_to_uhwi which
5184         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5185         Start warning message with a lower-case letter.  Formatting fixes.
5186
5187         PR rtl-optimization/90026
5188         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5189         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5190         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5191         in cfglayout mode, use emit_barrier_after_bb.
5192
5193 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5194
5195         PR rtl-optimization/87763
5196         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5197         New Instruction.
5198
5199 2019-04-11  Tom de Vries  <tdevries@suse.de>
5200
5201         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5202         max macro using statement expression.
5203
5204 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5205
5206         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5207         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5208         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5209         read_only_private_data_section using xcoff_private_rodata_section_name.
5210         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5211
5212 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5213
5214         PR target/90016
5215         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5216
5217 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5218
5219         PR rtl-optimization/89965
5220         * dce.c (sp_based_mem_offset): New function.
5221         (find_call_stack_args): Use sp_based_mem_offset.
5222
5223 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5224
5225         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5226
5227 2019-04-11  Richard Biener  <rguenther@suse.de>
5228
5229         PR tree-optimization/90020
5230         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5231         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5232         * tree-ssa-pre.c (compute_avail): Use it to not put
5233         possibly trapping references after a call that might not
5234         return into EXP_GEN.
5235         * gcse.c (compute_hash_table_work): Do not elide
5236         marking a block containing a call if the call might not
5237         return.
5238
5239 2019-04-11  Richard Biener  <rguenther@suse.de>
5240
5241         PR tree-optimization/90018
5242         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5243         Test both SLP and interleaving variants.
5244
5245 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5246
5247         * config/s390/8561.md: New file.
5248         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5249         Add arch13 cpu model.
5250         * config/s390/s390-opts.h (enum processor_type): Likewise.
5251         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5252         (s390_get_unit_mask): Likewise.
5253         (s390_is_fpd): Likewise.
5254         (s390_is_fxd): Likewise.
5255         * config/s390/s390.h (s390_tune_attr): Likewise.
5256         * config/s390/s390.md: Include arch13 pipeline description.
5257         * config/s390/s390.opt: Add arch13.
5258
5259 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5260
5261         PR rtl-optimization/87763
5262         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5263         New prototype.
5264         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5265         New function.
5266         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5267         New instruction.
5268         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5269         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5270         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5271         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5272
5273 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5274
5275         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5276         "Although" in -fipa-icf documentation.
5277
5278         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5279         of using multiple -g options.
5280
5281 2019-04-10  Martin Liska  <mliska@suse.cz>
5282
5283         PR gcov-profile/89959
5284         * doc/gcov.texi: Make documentation of -x option
5285         more precise.
5286
5287 2019-04-10  Richard Biener  <rguenther@suse.de>
5288
5289         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5290         member.
5291         (DR_GROUP_SAME_DR_STMT): Remove.
5292         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5293         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5294         replace with assert.
5295         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5296         (vect_record_grouped_load_vectors): Remove unreachable code.
5297
5298 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5299
5300         PR target/90016
5301         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5302         obsolete reference to N.
5303
5304 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5305
5306         PR middle-end/90025
5307         * expr.c (store_expr): Set properly size on the MEM passed to
5308         clear_storage.
5309
5310         PR c++/90010
5311         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5312         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5313         translation is needed, and when translation is needed, only append
5314         ... if the string length is hostsz or more bytes long.  Avoid using
5315         strncpy or strcat.
5316
5317 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5318
5319         PR target/90024
5320         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5321         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5322         into three.
5323         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5324         differences directly.
5325         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5326
5327 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5328
5329         PR translation/90011
5330         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5331         from diagnostics.
5332         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5333         diagnostics.
5334         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5335         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5336         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5337         trailing space from -gsplit-dwarf diagnostics.
5338
5339         PR tree-optimization/89998
5340         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5341         instead of integer_type_node if possible, don't add ranges if return
5342         type is not compatible with int.
5343         * gimple-fold.c (gimple_fold_builtin_sprintf,
5344         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5345         integer_type_node.
5346
5347 2019-04-09  Martin Liska  <mliska@suse.cz>
5348
5349         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5350         * doc/install.texi: Document the new config.
5351
5352 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5353
5354         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5355         use gimple_expr_type for load and store calls.  Skip over the
5356         condition argument in a conditional internal function.
5357         Protect use of TREE_INT_CST_LOW.
5358
5359 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5360
5361         PR target/90015
5362         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5363         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5364         trailing period from it too.
5365
5366 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5367
5368         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5369         * config/aarch64/aarch64.md : Add "tsv110.md"
5370         * config/aarch64/tsv110.md: New file.
5371
5372 2019-04-08  Richard Biener  <rguenther@suse.de>
5373
5374         PR tree-optimization/90006
5375         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5376         calls like lrint.
5377
5378 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5379
5380         PR target/83033
5381         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5382         construction.
5383         (fma_root_node): Likewise.
5384         (func_fma_steering): Likewise.
5385
5386 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5387
5388         PR rtl-optimization/89865
5389         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5390
5391         PR rtl-optimization/89865
5392         * config/i386/i386.md
5393         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5394         numbers not to clash with the additional operands[4].
5395         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5396         with extra register copy in the middle.
5397
5398 2019-04-08  Martin Liska  <mliska@suse.cz>
5399
5400         PR gcov-profile/89961
5401         * doc/gcov.texi: Document data_file.
5402         * gcov.c (generate_results): Add data_info into JSON output.
5403
5404 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5405
5406         PR tree-optimization/89725
5407         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5408         loop's chrec as invariant symbol.
5409         * tree-chrec.h (chrec_contains_symbols): New parameter.
5410         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5411         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5412         function of loops not in DDR's loop_nest.
5413         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5414
5415 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5416
5417         PR target/89623
5418         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5419         Mask.
5420
5421 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5422
5423         PR target/89945
5424         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5425         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5426
5427 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5428
5429         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5430         targetm.fixed_condition_code_regs.
5431
5432 2019-04-05  Richard Biener  <rguenther@suse.de>
5433
5434         PR debug/89892
5435         PR debug/89905
5436         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5437         debug bind stmts but reset them if they are not valid at the
5438         destination.
5439
5440 2019-04-05  Martin Liska  <mliska@suse.cz>
5441
5442         PR translation/89936
5443         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5444         order to wrap keywords or arguments.
5445         * collect2.c (main): Likewise.
5446         (scan_prog_file): Likewise.
5447         (scan_libraries): Likewise.
5448         * common/config/riscv/riscv-common.c
5449         (riscv_subset_list::parsing_subset_version): Likewise.
5450         (riscv_subset_list::parse_std_ext): Likewise.
5451         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5452         Likewise.
5453         * config/arm/arm.c (arm_option_override): Likewise.
5454         * config/cris/cris.c (cris_print_operand): Likewise.
5455         * config/darwin-c.c (darwin_pragma_options): Likewise.
5456         (darwin_pragma_unused): Likewise.
5457         (darwin_pragma_ms_struct): Likewise.
5458         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5459         * config/i386/i386.c (print_reg): Likewise.
5460         (ix86_print_operand): Likewise.
5461         * config/i386/xm-djgpp.h: Likewise.
5462         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5463         * config/m32c/m32c.c (m32c_option_override): Likewise.
5464         * config/msp430/msp430.c (msp430_option_override): Likewise.
5465         * config/nds32/nds32.c (nds32_option_override): Likewise.
5466         * config/nvptx/mkoffload.c (main): Likewise.
5467         * config/rx/rx.c (rx_print_operand): Likewise.
5468         (valid_psw_flag): Likewise.
5469         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5470         (vms_pragma_nomember_alignment): Likewise.
5471         (vms_pragma_extern_model): Likewise.
5472         * lto-wrapper.c (compile_offload_image): Likewise.
5473         * omp-offload.c (oacc_parse_default_dims): Likewise.
5474         * symtab.c (symtab_node::verify_base): Likewise.
5475         * tlink.c (recompile_files): Likewise.
5476         (start_tweaking): Likewise.
5477         * tree-profile.c (parse_profile_filter): Likewise.
5478
5479 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5480
5481         PR tree-optimization/89956
5482         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5483         multiple negates of the same value.
5484
5485 2019-04-04  Martin Sebor  <msebor@redhat.com>
5486
5487         PR middle-end/89957
5488         PR middle-end/89911
5489         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5490         have the same precision since the function crashes otherwise.
5491         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5492         has non-zero arguments.
5493
5494 2019-04-04  Martin Sebor  <msebor@redhat.com>
5495
5496         PR middle-end/89934
5497         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5498         out if the number of arguments is less than expected.
5499
5500 2019-04-04  Jeff Law  <law@redhat.com>
5501
5502         PR rtl-optimization/89399
5503         * ree.c (combine_set_extension): Use single_set rather than
5504         digging into PATTERN for items on the candidate list.
5505         (combine_reaching_defs): Likewise.
5506
5507 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5508
5509         PR rtl-optimization/46590
5510         * loop-invariant.c (find_defs): Move df_remove_problem and
5511         df_process_deferred_rescans to move_invariants.
5512         Move df_live_add_problem and df_live_set_all_dirty calls
5513         to move_invariants.
5514         (move_invariants): Likewise.
5515         (move_loop_invariants): Likewise, making the df_live calls
5516         conditional on -O.  Remove the problem again if we added it
5517         locally.
5518
5519 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5520
5521         PR tree-optimization/89730
5522         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5523         -flive-patching=inline-only-static.
5524         (can_inline_edge_by_limits_p): Add the checking for
5525         -flive-patching=inline-only-static and grant always_inline
5526         even when -flive-patching=inline-only-static is specified.
5527
5528 2019-04-03  Jeff Law  <law@redhat.com>
5529
5530         PR rtl-optimization/81025
5531         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5532
5533 2019-04-03  Richard Biener  <rguenther@suse.de>
5534
5535         PR tree-optimization/84101
5536         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5537         regs.h for hard_regno_nregs.
5538         (cfun_returns): New helper.
5539         (vect_model_store_cost): When vectorizing a store to a decl
5540         we return and the function ABI returns in a multi-reg location
5541         account for the possible spilling that will happen.
5542
5543 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5544
5545         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5546         displacement addresses for vector mode operands.
5547
5548 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5549
5550         * config/arc/arc.c (GMASK_LEN): Define.
5551         (arc_restore_callee_saves): Restore first blink when
5552         !optimize_size.
5553
5554 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5555
5556         * doc/extend.texi: Add deprecated comment on sign-return-address
5557         function attribute and add mbranch-protection.
5558         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5559
5560 2019-04-03  Richard Biener  <rguenther@suse.de>
5561
5562         PR lto/89896
5563         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5564         the all target phony.
5565
5566 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5567
5568         PR target/89902
5569         PR target/89903
5570         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5571         Return false for variable DImode shifts.
5572         (dimode_scalar_chain::compute_convert_gain): Do not handle
5573         register count operand in variable DImode shifts.
5574         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5575         count argument of a variable shift instruction to a vector register.
5576         (dimode_scalar_chain::convert_reg): Remove support to convert
5577         count argument of a variable shift instruction.
5578
5579 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5580
5581         PR rtl-optimization/84206
5582         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5583         iterating over loop headers.
5584
5585 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5586
5587         PR rtl-optimization/85876
5588         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5589         beyond the original fence.
5590
5591 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5592
5593         * config.gcc: Mark spu* targets as deprecated/obsolete.
5594
5595 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5596
5597         * config/s390/s390-builtin-types.def: New builtin function type
5598         definitions. Remove unused types.
5599         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5600         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5601         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5602         overloaded builtins.
5603         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5604         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5605         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5606         (vec_double, vec_signed, vec_unsigned): Define to use the new
5607         overloaded builtins.
5608         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5609         Remove expanders.
5610
5611 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5612
5613         * config/s390/s390-builtin-types.def: New builtin function type
5614         definitions.
5615         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5616         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5617         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5618         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5619         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5620         constant definitions.
5621         * config/s390/vecintrin.h (vec_search_string_cc)
5622         (vec_search_string_until_zero_cc): New builtin name definitions.
5623         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5624         expanders.
5625         ("vec_vstrs<mode>"): New insn definition.
5626
5627 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5628
5629         * config/s390/s390-builtin-types.def: Add new builtin function
5630         types.
5631         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5632         New overloaded builtins.
5633         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5634         s390_vsrd.
5635         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5636         (UNSPEC_VEC_SLDBYTE): ... this.
5637         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5638         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5639         definitions.
5640         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5641         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5642         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5643
5644 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5645
5646         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5647         New insn definition.
5648         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5649         * config/s390/vector.md (V_HW_HSD): ... here.
5650
5651 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5652
5653         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5654         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5655         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5656         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5657         New insn definitions.
5658
5659 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5660
5661         * config/s390/s390-builtin-types.def: Add new builtin function type.
5662         * config/s390/s390-builtins.def: Add overloaded builtin
5663         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5664         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5665         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5666         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5667         ("eltswap<mode>"): New expander.
5668         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5669         insn definitions.
5670
5671 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5672
5673         * config/s390/s390-builtin-types.def: Add new builtin function types.
5674         * config/s390/s390-builtins.def: Add overloaded builtin
5675         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5676         instructions.
5677         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5678         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5679         ("bswap<mode>"): New expander.
5680         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5681
5682 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5683
5684         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5685         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5686         vector builtin version number in __VEC__.
5687
5688 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5689
5690         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5691         iterators.
5692         (SFSI): New mode attribute.
5693         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5694         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5695         rename to ...
5696         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5697         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5698         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5699         ("floatsi<mode>2"): Add wcefb instruction.
5700
5701 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5702
5703         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5704         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5705         mode iterators.
5706         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5707         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5708         support 32 bit fp-int conversions. Rename to ...
5709         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5710         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5711         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5712         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5713         ... to these.
5714
5715 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5716
5717         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5718         if-then-else constructs if we can use the select instruction.
5719         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5720
5721 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5722
5723         * config/s390/s390.md ("*popcountdi_arch13_cc")
5724         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5725         definition.
5726         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5727         Append _z196 to make it ...
5728         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5729         ("popcounthi2_z196"): ... this.
5730         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5731         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5732
5733 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5734
5735         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5736         certain compares for arch13 in order to make use of the condition
5737         code result produced by the new instructions.
5738         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5739         nxrk, and nxgrk instruction patterns.
5740         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5741         (inv_no): Add new code iterator together with some attributes.
5742         ("*andc_split_<mode>"): Disable splitter for arch13.
5743         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5744         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5745         ("*<ANDOR:bitops_name>c<GPR:mode>")
5746         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5747         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5748         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5749         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5750
5751 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5752
5753         * common/config/s390/s390-common.c (processor_flags_table): New
5754         entry for arch13.
5755         * config.gcc: Support arch13 with the --with-arch= configure flag.
5756         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5757         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5758         * config/s390/s390.c (s390_get_sched_attrmask)
5759         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5760         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5761         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5762         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5763         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5764         definitions.
5765         * config/s390/s390.opt: Support arch13 as processor type in
5766         command line options.
5767
5768 2019-04-02  Martin Liska  <mliska@suse.cz>
5769
5770         PR translation/89912
5771         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5772         Fix param description of graphite-max-arrays-per-scop.
5773
5774 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5775
5776         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5777         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5778         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5779
5780 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5781
5782         PR rtl-optimization/85412
5783         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5784         sel_sched_region_1, not after.
5785
5786 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5787
5788         PR rtl-optimization/86928
5789         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5790         compute_live if necessary.
5791         (sel_redirect_edge_and_branch): Likewise.
5792
5793 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5794
5795         PR rtl-optimization/89865
5796         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5797         register if it is a part of small class.
5798
5799 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5800
5801         PR rtl-optimization/87273
5802         * sel-sched-ir.c (merge_fences): Remove assert.
5803
5804 2019-04-01  Richard Biener  <rguenther@suse.de>
5805
5806         PR tree-optimization/46590
5807         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5808         (dom_walker::m_reachability): Add in place of...
5809         (dom_walker::m_skip_unreachable_blocks): ...this.
5810         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5811         Move complex initialization ...
5812         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5813         lazily and initialize edge flags on each invocation.
5814         (dom_walker::bb_reachable): Use m_reachability.
5815
5816 2019-04-01  Martin Liska  <mliska@suse.cz>
5817
5818         PR driver/89861
5819         * opt-suggestions.c (option_proposer::build_option_suggestions):
5820         Add variant without any argument in order to provide better
5821         hints.
5822
5823 2019-04-01  Richard Biener  <rguenther@suse.de>
5824
5825         PR c/71598
5826         * gimple.c: Include langhooks.h.
5827         (gimple_get_alias_set): Treat enumeral types as the underlying
5828         integer type.
5829
5830 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5831             Eric Botcazou  <ebotcazou@adacore.com>
5832
5833         PR rtl-optimization/89862
5834         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5835         that operates on the full registers for WORD_REGISTER_OPERATIONS
5836         architectures.
5837
5838 2019-03-29  Jim Wilson  <jimw@sifive.com>
5839
5840         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5841         Clear MASK_RVC and then set if C subset supported.
5842
5843 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5844
5845         PR c/89872
5846         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5847         non-addressable complit into its initializer if it is volatile.
5848
5849 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5850
5851         * opts-common.c (integral_argument): Set errno properly in one case.
5852
5853 2019-03-29  Martin Liska  <mliska@suse.cz>
5854
5855         * doc/invoke.texi: Remove -Wchkp from documentation.
5856
5857 2019-03-29  Martin Liska  <mliska@suse.cz>
5858
5859         * dbgcnt.c (print_limit_reach): New function.
5860         (dbg_cnt): Use it.
5861
5862 2019-03-29  Martin Liska  <mliska@suse.cz>
5863
5864         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5865         (dbg_cnt_process_opt): Parse first tokens aas
5866         dbg_cnt_process_single_pair is also using strtok.
5867
5868 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5869
5870         PR rtl-optimization/87485
5871         * function.c (expand_function_end): Move stack_protect_epilogue
5872         before loading of return value into hard register(s).
5873
5874 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5875
5876         PR middle-end/89621
5877         * tree-inline.h (struct copy_body_data): Add
5878         dont_remap_vla_if_no_change flag.
5879         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5880         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5881         and remap_type_2 returns false.
5882         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5883         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5884         only from where it is copied to nested contexts.
5885
5886 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5887
5888         PR target/89865
5889         * config/i386/i386.md (RMW operation with LEA peephole):
5890         Use LEAMODE mode attribute instead of SWI mode iterator for
5891         LEA pattern.
5892
5893 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5894
5895         PR target/89848
5896         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5897         Also process XEXP (src, 0) of a shift insn.
5898
5899 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5900
5901         PR middle-end/89725
5902         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5903         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5904
5905 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5906
5907         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5908         test.
5909         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5910         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5911         immediately after first one with df_analyze in between, but rather
5912         process all bbs, queueing ones that need second pass in a worklist,
5913         df_analyze, process queued debug insn changes and if second pass is
5914         needed, process bbs from worklist, df_analyze, process queued debug
5915         insns again.
5916
5917         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5918         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5919         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5920
5921 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5922
5923         PR c/79022
5924         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5925         definition.
5926
5927 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5928
5929         PR target/85667
5930         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5931         function for 32-bit MS_ABI.
5932         (function_value_ms_32): New function.
5933
5934 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5935
5936         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5937         (movdi): Call gen_movdi_symbol_save_scc.
5938         (gen_movdi_symbol_save_scc): New insn and split.
5939
5940 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5941
5942         PR rtl-optimization/89313
5943         * function.c (matching_constraint_num): New static function.
5944         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5945         Don't replace inputs with non-matching constraints which conflict
5946         with early clobber outputs.
5947
5948 2019-03-27  Jeff Law  <law@redhat.com>
5949
5950
5951         PR rtl-optimization/87761
5952         PR rtl-optimization/89826
5953         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5954         slightly later.
5955         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5956         note problem to get REG_DEAD/REG_UNUSED notes updated.
5957
5958 2019-03-27  Richard Biener  <rguenther@suse.de>
5959
5960         PR tree-optimization/89463
5961         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5962         queue edges to remove.
5963         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5964         dead stmts.  Delay edge removal until PHIs are removed to
5965         make debug-stmt creation not confused by seemingly degenerate
5966         PHIs.
5967
5968 2019-03-27  Alan Modra  <amodra@gmail.com>
5969
5970         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5971         throughout file.
5972         * config/rs6000/darwin.h: Likewise.
5973         * config/rs6000/rs6000.c: Likewise.
5974
5975 2019-03-27  Alan Modra  <amodra@gmail.com>
5976
5977         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
5978         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
5979
5980 2019-03-26  Andrew Waterman  <andrew@sifive.com>
5981             Jim Wilson  <jimw@sifive.com>
5982
5983         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
5984         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
5985         (generic_idivdi, generic_fmul_single, generic_fmul_double)
5986         (generic_fdiv, generic_fsqrt): Add check for generic tune.
5987         (generic_alu): Add auipc to type list.
5988         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
5989         (riscv_microarchitecture): Declare.
5990         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
5991         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
5992         field.
5993         (riscv_microarchitecture): New.
5994         (sifive_7_tune_info): New.
5995         (riscv_cpu_info_table): Add microarchitecture value for rocket and
5996         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
5997         entries.
5998         (riscv_store_data_bypass_p): New.
5999         (riscv_option_override): Set riscv_microarchitecture from
6000         cpu->microarchitecture.
6001         * config/riscv/riscv.md: Include sifive-7.md.
6002         (type): Add auipc.
6003         (tune): New.
6004         (auipc<mode>): Change type to auipc.
6005         (restore_stack_nonlocal): New.
6006         * config/riscv/sifive-7.md: New.
6007         * doc/invoke.texi (RISC-V Options): Update mtune docs.
6008
6009 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
6010
6011         PR target/89827
6012         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6013         Also process XEXP (src, 0) of a shift insn.
6014
6015 2019-03-26  Richard Biener  <rguenther@suse.de>
6016
6017         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
6018         (copy_debug_stmt): Likewise.
6019         (expand_call_inline): Likewise.
6020         (copy_bb): Avoid redundant lookup & set of gimple_block.
6021         * gimple-low.c (lower_gimple_return): Likewise.
6022         (lower_builtin_setjmp): Likewise.
6023
6024 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
6025
6026         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
6027         is constant 0, turn into static const data member initialized to false.
6028         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
6029         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
6030
6031 2019-03-26  Jason Merrill  <jason@redhat.com>
6032             Jakub Jelinek  <jakub@redhat.com>
6033
6034         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
6035         method.
6036         (mem_alloc_description::release_object_overhead): Fix comment typos.
6037         * hash-table.h (hash_table::~hash_table): Call
6038         release_instance_overhead only if m_entries is non-NULL, otherwise
6039         call unregister_descriptor.
6040
6041 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
6042
6043         PR tree-optimization/81740
6044         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6045         In case of outer loop vectorization, check for backward dependence
6046         at the inner loop if outer loop dependence is reversed.
6047
6048 2019-03-26  Alan Modra  <amodra@gmail.com>
6049
6050         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
6051         rs6000_vector_mem init.  Correct wI and wJ comment.
6052
6053 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
6054
6055         PR rtl-optimization/88347
6056         PR rtl-optimization/88423
6057         * sched-deps.c (sched_analyze_insn): Take into account that for
6058         tablejumps the barrier appears after a label and a jump_table_data.
6059
6060 2019-03-25  Martin Sebor  <msebor@redhat.com>
6061
6062         PR c/89812
6063         * c-common.c (check_user_alignment): Rename local.  Correct maximum
6064         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
6065         convert it to UHWI when it fits.
6066
6067 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
6068
6069         PR debug/86964
6070         * dwarf2out.c (premark_used_variables): New function.
6071         (prune_unused_types_walk): Do not mark not premarked external
6072         variables.
6073         (prune_unused_types): Call premark_used_variables.
6074
6075 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
6076
6077         PR rtl-optimization/89676
6078         * lra-constraints.c (curr_insn_transform): Do match reload for
6079         early clobbers when the match was successful only for different
6080         registers.
6081
6082 2019-03-25  Martin Sebor  <msebor@redhat.com>
6083
6084         * doc/extend.texi (Common Type Attributes): Document vector_size.
6085         (Common Variable Attributes): Mention size constraint.  Correct
6086         quoting and typos.
6087         (Vector Extensions): Use @dfn when defining bas type.  Clarify
6088         base type and size constraints.
6089
6090 2019-03-25  Richard Biener  <rguenther@suse.de>
6091
6092         PR tree-optimization/89789
6093         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
6094         changes from non-undefined back to undefined.
6095
6096 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
6097
6098         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
6099         heap string and a gc string, but since this variable is unknown to
6100         ggc the gc string might get reused and corrupted. Fixed by always
6101         using a heap string.
6102
6103 2019-03-25  Richard Biener  <rguenther@suse.de>
6104
6105         PR tree-optimization/89779
6106         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
6107         to remove IV defs, delay actual removal.
6108         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
6109         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
6110         very end, properly also reset loop control IV information.
6111
6112 2019-03-25  Richard Biener  <rguenther@suse.de>
6113
6114         PR tree-optimization/89802
6115         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
6116         move EH data to folded stmt.
6117
6118 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6119
6120         * config/s390/s390-builtin-types.def: Remove few unused types and
6121         fix sort order for others.
6122
6123 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6124
6125         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
6126         expected and found types with -mdebug during builtin matching.
6127
6128 2019-03-25  Richard Biener  <rguenther@suse.de>
6129
6130         PR middle-end/89790
6131         * fold-const.c (operand_equal_p): Revert last change with
6132         updated comment.
6133
6134 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
6135
6136         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
6137         notes for the result of the __tls_get_addr calls.
6138         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
6139
6140 2019-03-24  Jeff Law  <law@redhat.com>
6141
6142         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
6143
6144         PR rtl-optimization/87761
6145         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
6146         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
6147         as needed.
6148         (pass_cprop_hardreg::execute): Add df note problem and defer insn
6149         rescans.  Reprocess blocks as needed, calling df_analyze before
6150         reprocessing.  Always call df_analyze before fixing up debug bind
6151         insns.
6152
6153 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
6154
6155         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
6156         big endian.
6157
6158 2019-03-22  Andrew Pinski  <apinski@marvell.com>
6159
6160         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
6161         attrribute for uxtw.
6162
6163 2019-03-26  Jeff Law  <law@redhat.com>
6164
6165         PR rtl-optimization/87761
6166         * config/mips/mips-protos.h (mips_split_move): Add new argument.
6167         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6168         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6169         into the next instruction.
6170         (mips_split_move_insn): Pass INSN through to mips_split_move.
6171
6172 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6173
6174         PR rtl-optimization/89676
6175         * lra-constraints.c (curr_insn_transform): Do match reload for
6176         early clobbers even if the match was successful.
6177
6178 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6179
6180         PR c++/87481
6181         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6182
6183 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6184
6185         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6186
6187 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6188
6189         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6190         <avx512>_fmsub_<mode>_mask3<round_name>,
6191         <avx512>_fnmadd_<mode>_mask3<round_name>,
6192         <avx512>_fnmsub_<mode>_mask3<round_name>,
6193         avx512f_vmfmadd_<mode>_mask3<round_name>,
6194         avx512f_vmfmsub_<mode>_mask3<round_name>,
6195         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6196         instead of register_operand and %v instead of v for match_operand 1.
6197         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6198         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6199         <round_nimm_predicate> instead of register_operand and %v instead of v
6200         for match_operand 1.
6201
6202         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6203         <avx512>_fmadd_<mode>_mask3<round_name>,
6204         <avx512>_fmsub_<mode>_mask<round_name>,
6205         <avx512>_fmsub_<mode>_mask3<round_name>,
6206         <avx512>_fnmadd_<mode>_mask<round_name>,
6207         <avx512>_fnmadd_<mode>_mask3<round_name>,
6208         <avx512>_fnmsub_<mode>_mask<round_name>,
6209         <avx512>_fnmsub_<mode>_mask3<round_name>,
6210         <avx512>_fmaddsub_<mode>_mask<round_name>,
6211         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6212         <avx512>_fmsubadd_<mode>_mask<round_name>,
6213         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6214         <round_nimm_predicate> instead of nonimmediate_operand.
6215         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6216         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6217         Use register_operand instead of <round_nimm_predicate> for the
6218         operand that needs to match output.
6219         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6220         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6221         Likewise.  Formatting fixes.
6222
6223         PR target/89784
6224         * config/i386/i386.c (enum ix86_builtins): Remove
6225         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6226         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6227         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6228         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6229         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6230         __builtin_ia32_vfmsubss3_mask3): New builtins.
6231         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6232         avx512f_vmfmadd_<mode>_mask3<round_name>,
6233         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6234         *avx512f_vmfmsub_<mode>_mask<round_name>,
6235         avx512f_vmfmsub_<mode>_mask3<round_name>,
6236         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6237         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6238         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6239         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6240         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6241         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6242         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6243         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6244         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6245         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6246         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6247         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6248         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6249         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6250         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6251         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6252         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6253         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6254         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6255         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6256         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6257         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6258         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6259         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6260         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6261         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6262         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6263         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6264
6265 2019-03-21  Martin Sebor  <msebor@redhat.com>
6266
6267         PR tree-optimization/89350
6268         * builtins.c (compute_objsize): Also ignore offsets whose upper
6269         bound is negative.
6270         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6271         (builtin_memref::builtin_memref): Initialize new member.
6272         Allow EXPR to be null.
6273         (builtin_memref::extend_offset_range): Replace local with a member.
6274         Avoid assuming pointer offsets are unsigned.
6275         (builtin_memref::set_base_and_offset): Determine base object
6276         before computing offset range.
6277         (builtin_access::builtin_access): Handle memset.
6278         (builtin_access::generic_overlap): Replace local with a member.
6279         (builtin_access::strcat_overlap): Same.
6280         (builtin_access::overlap): Same.
6281         (maybe_diag_overlap): Same.
6282         (maybe_diag_access_bounds): Same.
6283         (wrestrict_dom_walker::check_call): Handle memset.
6284         (check_bounds_or_overlap): Same.
6285
6286 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6287             Jakub Jelinek  <jakub@redhat.com>
6288
6289         PR lto/89692
6290         * tree.c (fld_type_variant, fld_incomplete_type_of,
6291         fld_process_array_type): Call fld->pset.add and don't call
6292         add_tree_to_fld_list if it returns true.
6293         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6294         non-marked types from TYPE_NEXT_VARIANT list.
6295         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6296
6297 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6298
6299         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6300         to false, if true, don't alloc_entries during construction, but defer
6301         it to the first method that needs m_entries allocated.
6302         (hash_table::hash_table, hash_table::~hash_table,
6303         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6304         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6305         hash_table::clear_slot, hash_table::traverse_noresize,
6306         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6307         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6308         false.
6309         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6310         NO_INSERT instead of find_with_hash.
6311         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6312         hash_set::m_table): Add Lazy to template params of hash_table.
6313         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6314         * attribs.c (test_attribute_exclusions): Likewise.
6315         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6316         hash_set.  Add tests for hash_set with Lazy = true.
6317
6318 2019-03-21  Richard Biener  <rguenther@suse.de>
6319
6320         PR tree-optimization/89779
6321         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6322         checks with respect to released SSA names now having error_mark_node
6323         type.
6324         * fold-const.c (operand_equal_p): Likewise.
6325
6326 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6327
6328         PR target/89775
6329         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6330         available to ...
6331         (s390_optimize_register_info): Use global_not_special_regno_p to
6332         check for global regs.
6333
6334 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6335
6336         PR target/89752
6337         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6338         update this_alternative nor this_alternative_set.
6339
6340 2019-03-19  Jim Wilson  <jimw@sifive.com>
6341
6342         PR target/89411
6343         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6344         align, size, offset.  Use them to handle a BLKmode reference.  Update
6345         comment.
6346         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6347
6348 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR rtl-optimization/89768
6351         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6352         instead of GEN_INT.
6353         (unroll_loop_runtime_iterations): Likewise.
6354
6355 2019-03-19  Martin Sebor  <msebor@redhat.com>
6356
6357         PR tree-optimization/89644
6358         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6359         rather than endptr as an indicator of nul-termination.
6360
6361         PR tree-optimization/89644
6362         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6363         arrays in determining sequence sizes in strncpy and stpncpy.
6364
6365 2019-03-19  Martin Liska  <mliska@suse.cz>
6366
6367         PR middle-end/89737
6368         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6369         unlikely_edges if there's an edge that belongs to both these sets.
6370
6371 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6372
6373         PR target/89746
6374         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6375         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6376         go via a stack temporary.
6377
6378 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6379
6380         PR target/89378
6381         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6382         instead of gen_rtx_SUBREG.
6383         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6384
6385 2019-03-19  Richard Biener  <rguenther@suse.de>
6386
6387         PR debug/88389
6388         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6389
6390 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6391
6392         PR lto/87809
6393         PR lto/89335
6394         * tree.c (free_lang_data_in_decl): Do not free context of C++
6395         destrutors.
6396
6397 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6398
6399         PR target/89506
6400         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6401         subs for the first alternative except when operands[3] is 1.
6402
6403         PR target/89752
6404         * gimplify.c (gimplify_asm_expr): For output argument with
6405         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6406         diagnose error.
6407
6408 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6409
6410         PR rtl-optimization/89753
6411         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6412         explicit unrolling factor even more robust.
6413
6414 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6415
6416         PR target/89726
6417         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6418         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6419         signed zeros, do another copysign after the compensation.
6420
6421 2019-03-18  Martin Sebor  <msebor@redhat.com>
6422
6423         PR tree-optimization/89720
6424         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6425         more conservatively, the same as anti-range.
6426
6427 2019-03-18  Richard Biener  <rguenther@suse.de>
6428
6429         PR middle-end/88945
6430         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6431         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6432         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6433         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6434
6435 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6436
6437         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6438         Extend queue to 1024 entries.
6439         Add "consumed" field.
6440         (gomp_print_output): Remove print_index parameter.
6441         Add final parameter.
6442         Change limit to unsigned.
6443         Use consumed field to implement circular buffer.
6444         Detect interrupted print in final pass.
6445         Flush output at the end.
6446         (run): Update gomp_print_output usage.
6447         (main): Initialize kernargs->output_data.consumed.
6448
6449 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6450
6451         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6452         calculation of the minimum number of scalar iterations for
6453         fully-predicated loops.
6454
6455 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6456
6457         PR tree-optimization/89546
6458         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6459         any propagation to its children took place.
6460
6461 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6462
6463         PR target/89627
6464         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6465         parameter, and make use of it.
6466         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6467
6468 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6469
6470         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6471         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6472         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6473         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6474         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6475         match what the ops is doing.
6476         (push_multi_fp_blink): Likewise.
6477         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6478         compiling for size and elf target.
6479         (arc_save_callee_enter): Adjust note to match what enter/leave
6480         operation does.
6481
6482 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6483
6484         * config/arc/arc.md (tst_movb): Fix constraint.
6485
6486 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6487
6488         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6489
6490 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6491
6492         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6493         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6494         reg_alloc_order references.
6495         (size_alloc_order): Define.
6496         (arc_adjust_reg_alloc_order): New function.
6497         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6498         order.
6499         (ADJUST_REG_ALLOC_ORDER): Define.
6500         (HONOR_REG_ALLOC_ORDER): Likewise.
6501
6502 2019-03-18  Richard Biener  <rguenther@suse.de>
6503
6504         PR target/87561
6505         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6506         loads and stores a bit more.
6507
6508 2019-03-18  Richard Biener  <rguenther@suse.de>
6509
6510         PR target/87561
6511         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6512         load pessimization to stores as well.
6513
6514 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6515
6516         PR middle-end/86979
6517         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6518         successor, use NULL as its av set.
6519
6520 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6521
6522         PR rtl-optimization/89721
6523         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6524
6525 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6526
6527         PR target/87532
6528         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6529         When handling vec_extract, use modular arithmetic to allow
6530         constant selectors greater than vector length.
6531         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6532         V1TImode vectors to have constant selector values greater than 0.
6533         Use modular arithmetic to compute vector index.
6534         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6535         index for in-memory vectors.  Correct code generation for
6536         in-register vectors.
6537         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6538         compute index.
6539
6540 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6541
6542         PR c++/88534
6543         PR c++/88537
6544         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6545         VAR_DECL args.
6546
6547 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6548
6549         PR c++/89709
6550         * tree.c (inchash::add_expr): Strip any location wrappers.
6551         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6552         after hash verification.
6553
6554         PR debug/89704
6555         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6556         SIGN_EXTEND and ZERO_EXTEND.
6557
6558 2019-03-14  Jason Merrill  <jason@redhat.com>
6559             Jakub Jelinek  <jakub@redhat.com>
6560
6561         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6562         than if is_empty (*slot).
6563         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6564         existing elt and for elt removal.
6565         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6566         of already removed elt.
6567
6568 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6569
6570         PR target/89650
6571         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6572         REG_EH_REGION note.
6573
6574 2019-03-14  Martin Liska  <mliska@suse.cz>
6575
6576         PR other/89712
6577         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6578
6579 2019-03-14  Richard Biener  <rguenther@suse.de>
6580
6581         PR target/89711
6582         * config/i386/i386.c (make_resolver_func): Properly set
6583         DECL_CONTEXT on the RESULT_DECL.
6584         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6585
6586 2019-03-14  Richard Biener  <rguenther@suse.de>
6587
6588         * gimple-pretty-print.c: Include cfgloop.h.
6589         (dump_gimple_phi): Adjust.
6590         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6591         (pp_cfg_jump): Adjust.
6592         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6593         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6594         (lower_phi_internal_fn): Remove.
6595         (verify_gimple_call): Remove IFN_PHI special-casing.
6596         (dump_function_to_file): Dump IL state.
6597         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6598         done to deal with PHI nodes being present in non-SSA state.
6599
6600 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6601
6602         PR ipa/89684
6603         * multiple_target.c (create_dispatcher_calls): Change
6604         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6605         In the node->iterate_referring loop, push *ref rather than ref, call
6606         ref->remove_reference () and always pass 0 to iterate_referring.
6607
6608         PR rtl-optimization/89679
6609         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6610         would contain a paradoxical SUBREG.
6611
6612 2019-03-14  Richard Biener  <rguenther@suse.de>
6613
6614         PR tree-optimization/89710
6615         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6616         safe_dyn_cast.
6617
6618 2019-03-14  Martin Liska  <mliska@suse.cz>
6619
6620         * coverage.c (coverage_begin_function): Stream also
6621         end_column.
6622         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6623         documentation about function declaration location.
6624         * gcov-dump.c (tag_function): Print whole range
6625         of function declaration.
6626         * gcov.c (struct function_info): Add end_column field.
6627         (function_info::function_info): Initialize it.
6628         (output_json_intermediate_file): Output {start,end}_column
6629         fields.
6630         (read_graph_file): Read end_column.
6631
6632 2019-03-14  Richard Biener  <rguenther@suse.de>
6633
6634         PR middle-end/89698
6635         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6636         that the access types are similar.
6637
6638 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6639
6640         PR tree-optimization/89703
6641         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6642         aren't compatible also with builtin_decl_explicit.  Check pure
6643         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6644         and BUILT_IN_STPNCPY{,_CHK}.
6645
6646 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6647
6648         PR target/89523
6649         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6650         addr32 prefix to VSIB address for X32.
6651         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6652         "%M2" to opcode.
6653         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6654         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6655         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6656         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6657         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6658         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6659         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6660         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6661         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6662         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6663         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6664         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6665         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6666         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6667         (*avx512f_scatterdi<mode>): Likewise.
6668
6669 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6670
6671         PR target/85860
6672         * lra-constraints.c (inherit_in_ebb): Update
6673         potential_reload_hard_regs along with live_hard_regs.
6674
6675 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6676
6677         PR debug/89498
6678         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6679         DWARF_OFFSET_SIZE.
6680         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6681
6682 2019-03-13  Martin Sebor  <msebor@redhat.com>
6683
6684         PR tree-optimization/89662
6685         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6686         has a size.
6687
6688 2019-03-13  Richard Biener  <rguenther@suse.de>
6689
6690         PR middle-end/89677
6691         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6692         throw FP expressions at tree-affine.
6693
6694 2019-03-14  Richard Biener  <rguenther@suse.de>
6695
6696         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6697         dump negative integer constants using _Literal (type) -num.
6698
6699 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6700
6701         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6702         nonlocal_value member.
6703
6704         PR middle-end/88588
6705         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6706         (ipa_simd_modify_function_body): Handle PHIs.
6707
6708 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6709
6710         * config/s390/s390.c (s390_option_override_internal): Use more
6711         aggressive inlining parameters.
6712
6713 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6714
6715         * config/s390/3906.md: New file.
6716         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6717         (LONGRUNNING_THRESHOLD): Remove.
6718         (MAX_SCHED_MIX_SCORE): Decrease.
6719         (MAX_SCHED_MIX_DISTANCE): Decrease.
6720         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6721         (struct s390_sched_state): New struct to hold scheduling state.
6722         (S390_SCHED_STATE_NORMAL): Remove.
6723         (S390_SCHED_STATE_CRACKED): Remove.
6724         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6725         (s390_get_sched_attrmask): Use new attribute.
6726         (s390_get_unit_mask): Use new units.
6727         (s390_is_fpd): New function.
6728         (s390_is_fxd): New function.
6729         (s390_is_longrunning): New function.
6730         (s390_sched_score): Use new functions.
6731         (s390_sched_reorder): Likewise.
6732         (s390_sched_variable_issue): Rework and use new functions.
6733         (s390_sched_init): Use new functions.
6734         * config/s390/s390.h (s390_tune_attr):  Add z14.
6735         * config/s390/s390.md: Add z14.
6736
6737 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6738
6739         * config/s390/2964.md: Update pipeline description.
6740         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6741         (LONGRUNNING_THRESHOLD): Remove.
6742         (LATENCY_FACTOR): Remove.
6743         (s390_get_unit_mask): Add unit.
6744         (s390_sched_score): Use fxd/fpd.
6745         (s390_sched_variable_issue): Use fxd/fpd.
6746
6747 2019-03-12  Martin Liska  <mliska@suse.cz>
6748
6749         * config/i386/i386.c: Reword an error message.
6750
6751 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6752
6753         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6754         terminate with newline.
6755
6756 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6757
6758         PR target/52726
6759         * config/s390/s390.md (tabort): Use %wd instead of
6760         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6761         letters and periods.
6762         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6763         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6764         's with %< and %>.
6765
6766         PR middle-end/89663
6767         * builtins.c (expand_builtin_int_roundingfn,
6768         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6769         gcc_unreachable if validate_arglist fails.
6770
6771 2019-03-12  Richard Biener  <rguenther@suse.de>
6772
6773         PR tree-optimization/89664
6774         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6775         free the occurance tree after the early out.
6776
6777 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6778
6779         PR middle-end/89655
6780         PR bootstrap/89656
6781         * vr-values.c (vr_values::update_value_range): If
6782         old_vr->varying_p (), don't update it, make new_vr also VARYING
6783         and return false.
6784
6785 2019-03-11  Martin Liska  <mliska@suse.cz>
6786
6787         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6788         Fix double string quoting.
6789
6790 2019-03-11  Martin Liska  <mliska@suse.cz>
6791
6792         * collect-utils.c (collect_wait): Wrap apostrophes
6793         in gcc internal format with %'.
6794         * collect2.c (main): Likewise.
6795         (scan_prog_file): Likewise.
6796         (scan_libraries): Likewise.
6797         * config/i386/i386.c (ix86_expand_call): Likewise.
6798         (ix86_handle_interrupt_attribute): Likewise.
6799         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6800         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6801         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6802         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6803         * symtab.c (symtab_node::verify_base): Likewise.
6804         * tree-cfg.c (verify_gimple_label): Likewise.
6805         * tree.c (verify_type_variant): Likewise.
6806
6807 2019-03-11  Martin Liska  <mliska@suse.cz>
6808
6809         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6810         in a string format message and fix GNU coding style.
6811         (expand_builtin_set_thread_pointer): Likewise.
6812         * common/config/aarch64/aarch64-common.c
6813         (aarch64_rewrite_selected_cpu): Likewise.
6814         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6815         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6816         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6817         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6818         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6819         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6820         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6821         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6822         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6823         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6824         Likewise.
6825         * common/config/riscv/riscv-common.c
6826         (riscv_subset_list::parsing_subset_version): Likewise.
6827         (riscv_subset_list::parse_std_ext): Likewise.
6828         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6829         (riscv_subset_list::parse): Likewise.
6830         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6831         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6832         (aarch64_override_options_internal): Likewise.
6833         (aarch64_validate_mcpu): Likewise.
6834         (aarch64_validate_march): Likewise.
6835         (aarch64_validate_mtune): Likewise.
6836         (aarch64_override_options): Likewise.
6837         * config/alpha/alpha.c (alpha_option_override): Likewise.
6838         * config/arc/arc.c (arc_init): Likewise.
6839         (parse_mrgf_banked_regs_option): Likewise.
6840         (arc_override_options): Likewise.
6841         (arc_expand_builtin_aligned): Likewise.
6842         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6843         (arm_expand_builtin): Likewise.
6844         * config/arm/arm.c (arm_option_check_internal): Likewise.
6845         (arm_configure_build_target): Likewise.
6846         (arm_option_override): Likewise.
6847         (arm_options_perform_arch_sanity_checks): Likewise.
6848         (arm_handle_cmse_nonsecure_entry): Likewise.
6849         (arm_handle_cmse_nonsecure_call): Likewise.
6850         (arm_tls_referenced_p): Likewise.
6851         (thumb1_expand_prologue): Likewise.
6852         * config/avr/avr.c (avr_option_override): Likewise.
6853         * config/bfin/bfin.c (bfin_option_override): Likewise.
6854         * config/c6x/c6x.c (c6x_option_override): Likewise.
6855         * config/cr16/cr16.c (cr16_override_options): Likewise.
6856         * config/cris/cris.c (cris_option_override): Likewise.
6857         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6858         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6859         * config/darwin.c (darwin_override_options): Likewise.
6860         * config/frv/frv.c (frv_expand_builtin): Likewise.
6861         * config/h8300/h8300.c (h8300_option_override): Likewise.
6862         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6863         (ix86_option_override_internal): Likewise.
6864         (warn_once_call_ms2sysv_xlogues): Likewise.
6865         (ix86_expand_prologue): Likewise.
6866         (split_stack_prologue_scratch_regno): Likewise.
6867         (ix86_warn_parameter_passing_abi): Likewise.
6868         * config/ia64/ia64.c (fix_range): Likewise.
6869         * config/m68k/m68k.c (m68k_option_override): Likewise.
6870         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6871         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6872         (mips_set_compression_mode): Likewise.
6873         * config/mmix/mmix.c (mmix_option_override): Likewise.
6874         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6875         * config/msp430/msp430.c (msp430_option_override): Likewise.
6876         * config/nds32/nds32.c (nds32_option_override): Likewise.
6877         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6878         (nios2_option_override): Likewise.
6879         (nios2_expand_custom_builtin): Likewise.
6880         * config/nvptx/mkoffload.c (main): Likewise.
6881         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6882         * config/pa/pa.c (fix_range): Likewise.
6883         (pa_option_override): Likewise.
6884         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6885         (riscv_option_override): Likewise.
6886         * config/rl78/rl78.c (rl78_option_override): Likewise.
6887         * config/rs6000/aix61.h: Likewise.
6888         * config/rs6000/aix71.h: Likewise.
6889         * config/rs6000/aix72.h: Likewise.
6890         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6891         * config/rs6000/freebsd64.h: Likewise.
6892         * config/rs6000/linux64.h: Likewise.
6893         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6894         (rs6000_expand_zeroop_builtin): Likewise.
6895         (rs6000_expand_mtfsb_builtin): Likewise.
6896         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6897         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6898         (rs6000_invalid_builtin): Likewise.
6899         (rs6000_expand_split_stack_prologue): Likewise.
6900         * config/rs6000/rtems.h: Likewise.
6901         * config/rx/rx.c (valid_psw_flag): Likewise.
6902         (rx_expand_builtin): Likewise.
6903         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6904         * config/s390/s390.c (s390_expand_builtin): Likewise.
6905         (s390_function_profiler): Likewise.
6906         (s390_option_override_internal): Likewise.
6907         (s390_option_override): Likewise.
6908         * config/sh/sh.c (sh_option_override): Likewise.
6909         (sh_builtin_saveregs): Likewise.
6910         (sh_fix_range): Likewise.
6911         * config/sh/vxworks.h: Likewise.
6912         * config/sparc/sparc.c (sparc_option_override): Likewise.
6913         * config/spu/spu.c (spu_option_override): Likewise.
6914         (fix_range): Likewise.
6915         * config/visium/visium.c (visium_option_override): Likewise.
6916         (visium_handle_interrupt_attr): Likewise.
6917         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6918         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6919         (dbg_cnt_process_opt): Likewise.
6920         * dwarf2out.c (output_dwarf_version): Likewise.
6921         * except.c (expand_eh_return): Likewise.
6922         * gcc.c (defined): Likewise.
6923         (driver_handle_option): Likewise.
6924         (process_command): Likewise.
6925         (compare_files): Likewise.
6926         (driver::prepare_infiles): Likewise.
6927         (driver::do_spec_on_infiles): Likewise.
6928         (driver::maybe_run_linker): Likewise.
6929         * omp-offload.c (oacc_parse_default_dims): Likewise.
6930         * opts-global.c (handle_common_deferred_options): Likewise.
6931         * opts.c (parse_sanitizer_options): Likewise.
6932         (common_handle_option): Likewise.
6933         (enable_warning_as_error): Likewise.
6934         * passes.c (enable_disable_pass): Likewise.
6935         * plugin.c (parse_plugin_arg_opt): Likewise.
6936         (default_plugin_dir_name): Likewise.
6937         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6938         (default_pch_valid_p): Likewise.
6939         * toplev.c (init_asm_output): Likewise.
6940         (process_options): Likewise.
6941         (toplev::run_self_tests): Likewise.
6942         * tree-cfg.c (verify_gimple_call): Likewise.
6943         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6944         (tree_inlinable_function_p): Likewise.
6945         * var-tracking.c (vt_find_locations): Likewise.
6946
6947 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6948
6949         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6950         only on the else branch.
6951
6952 2019-03-11  Martin Liska  <mliska@suse.cz>
6953
6954         * gcov.c (output_intermediate_json_line): Print function
6955         name of each line.
6956         (output_json_intermediate_file): Add new argument.
6957         * doc/gcov.texi: Document the change.
6958
6959 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6960
6961         PR rtl-optimization/89588
6962         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6963         explicit unrolling factor more robust.
6964
6965 2019-03-11  Richard Biener  <rguenther@suse.de>
6966
6967         PR tree-optimization/89649
6968         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6969         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6970         on the prolog and epilog loops.
6971         (vect_loop_versioning): Return copy of loop.
6972         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6973         on the non-vectorized version of the loop.
6974
6975 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
6976
6977         PR target/68924
6978         * config/i386/sse.md (*vec_extractv2di_0_sse):
6979         Add (=r,x) alternative and corresponding splitter.
6980
6981 2019-03-10  Martin Jambor  <mjambor@suse.cz>
6982
6983         PR tree-optimization/85762
6984         PR tree-optimization/87008
6985         PR tree-optimization/85459
6986         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
6987         it points to if there is a type changing MEM_REF.  Adjust all callers.
6988         (build_accesses_from_assign): Disable total scalarization if
6989         contains_vce_or_bfcref_p returns true through the new parameter, for
6990         both rhs and lhs.
6991
6992 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
6993
6994         PR c/88568
6995         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
6996         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
6997
6998         PR target/79645
6999         * common.opt (fdiagnostics-show-labels,
7000         fdiagnostics-show-line-numbers, fdiagnostics-format=,
7001         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
7002         gas-locview-support, ginline-points, ginternal-reset-location-views):
7003         Terminate description text with a dot.
7004         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
7005         * config/mcore/mcore.opt (m210, m340): Likewise.
7006         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
7007         mnops=): Start description text with a capital letter.
7008         * config/arc/arc.opt (msize-level=): Likewise.
7009         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
7010         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
7011         mnewlib): Likewise.
7012         * config/ft32/ft32.opt (msim): Likewise.
7013         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
7014         (mnodiv, mnopm): Terminate description text with a dot.
7015         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
7016         a colon.
7017         * config/i386/i386.opt (prefer_vector_width, instrument_return):
7018         Likewise.
7019         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
7020         text.
7021
7022         PR rtl-optimization/89634
7023         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
7024         are modified in BB_END (e->src) instruction.
7025
7026 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
7027
7028         PR target/79926
7029         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
7030         messages more amenable to translation, and improve wording.
7031
7032 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
7033
7034         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
7035         ud- and du-chains between phases.
7036
7037 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
7038
7039         PR debug/89631
7040         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
7041         instead of POLY_INT_CST.
7042
7043 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7044
7045         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
7046         requirement.
7047
7048 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
7049
7050         PR target/68924
7051         PR target/78782
7052         PR target/87558
7053         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
7054         (_mm_storeu_si64): Ditto.
7055
7056 2019-03-08  Martin Liska  <mliska@suse.cz>
7057
7058         PR target/86952
7059         * config/i386/i386.c (ix86_option_override_internal): Disable
7060         jump tables when retpolines are used.
7061
7062 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
7063
7064         PR go/63560
7065         * ipa-split.c (execute_split_functions): Do not split
7066         'noinline' or 'section' function.
7067
7068 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7069
7070         PR target/79846
7071         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
7072         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
7073         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
7074
7075         PR ipa/80000
7076         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7077         from diagnostics.  Formatting fixes.
7078
7079         PR target/85665
7080         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
7081         warn_odr diagnostics.
7082
7083         PR other/80058
7084         * lra-constraints.c (process_alt_operands): Avoid one space before
7085         " at the end of line and another after " on another line in a string
7086         literal.
7087         * attribs.c (handle_dll_attribute): Likewise.
7088         * config/avr/avr-devices.c (avr_texinfo): Likewise.
7089
7090         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
7091         warning_at or inform messages in G_() if there is no ?:.
7092
7093         PR tree-optimization/89550
7094         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
7095         returned true.  Formatting fixes.
7096         (expand_builtin_strnlen): Formatting fixes.
7097         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
7098         if warning_at returned true.
7099         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
7100
7101 2019-03-08  Richard Biener  <rguenther@suse.de>
7102
7103         PR middle-end/89578
7104         * cfgloop.h (struct loop): Add owned_clique field.
7105         * cfgloopmanip.c (copy_loop_info): Copy it.
7106         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
7107         cliques.
7108         * tree-inline.c (copy_loops): Remap owned_clique.
7109         * lto-streamer-in.c (input_cfg): Stream owned_clique.
7110         * lto-streamer-out.c (output_cfg): Likewise.
7111
7112 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7113
7114         PR target/80190
7115         * config/darwin.c: Include intl.h.
7116         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
7117         composing the message out of two separate parts.
7118
7119 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7120
7121         PR target/80003
7122         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
7123         doesn't start with a capital letter and doesn't end with a dot.
7124         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
7125         with a capital letter.
7126         (ix86_mangle_function_version_assembler_name): Likewise.
7127         (ix86_generate_version_dispatcher_body): Likewise.
7128         (fold_builtin_cpu): Likewise.
7129         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
7130         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
7131         translators, wrap full type name in %qs.
7132
7133         PR translation/79999
7134         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
7135         depend clause with source (or sink) modifier.
7136         * omp-expand.c (expand_omp_ordered_sink): Likewise.
7137
7138         PR target/89602
7139         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
7140         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
7141         (avx512f_load<mode>_mask): New define_expand.
7142         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
7143         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
7144         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
7145         __builtin_ia32_movess_mask): New builtins.
7146         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
7147         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
7148         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
7149         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
7150
7151 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7152
7153         PR lto/87525
7154         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
7155         for extern inline functions.
7156
7157 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7158
7159         PR ipa/88235
7160         * cgraph.h (cgraph_node): New inline method former_thunk_p.
7161         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
7162         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
7163         have multiple callees.  At the end check if declarations match as
7164         opposed to cgraph_nodes.
7165
7166 2019-03-07  Martin Liska  <mliska@suse.cz>
7167
7168         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7169         which is equivalent to searching for this in clones chain.
7170         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7171         names with a neighbour and special case first node in a chain.
7172
7173 2019-01-25  Jason Merrill  <jason@redhat.com>
7174
7175         PR c++/80916 - spurious "static but not defined" warning.
7176         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7177         for an internal symbol with DECL_EXTERNAL.
7178
7179 2019-04-07  Richard Biener  <rguenther@suse.de>
7180
7181         PR middle-end/89618
7182         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7183         * tree-inline.c (copy_loops): Simplify.
7184
7185 2019-03-07  Martin Liska  <mliska@suse.cz>
7186
7187         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7188
7189 2019-03-07  Richard Biener  <rguenther@suse.de>
7190
7191         PR tree-optimization/89595
7192         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7193         stmt iterator as reference, take boolean output parameter to
7194         indicate whether the stmt was removed and thus the iterator
7195         already advanced.
7196         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7197         stmts created by folding.
7198
7199 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7200
7201         PR c++/89585
7202         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7203         at toplevel.
7204
7205 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7206
7207         PR rtl-optimization/88845
7208         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7209         LRA.
7210         * lra.c (remove_scratches_1): New function.
7211         (remove_scratches): Use it.
7212         (lra_emit_move): Likewise.
7213
7214 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7215
7216         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7217         unaligned_access variable.
7218         * config/arc/arc.c (arc_override_options): Set unaligned access
7219         default on for HS CPUs.
7220         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7221
7222 2019-03-06  Martin Liska  <mliska@suse.cz>
7223
7224         PR gcov-profile/89577
7225         * doc/gcov.texi: Prefer to use --coverage.
7226         * doc/sourcebuild.texi: Likewise.
7227
7228 2019-03-02  Jason Merrill  <jason@redhat.com>
7229
7230         PR c++/86485 - -Wmaybe-unused with empty class ?:
7231         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7232
7233 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7234
7235         PR target/89587
7236         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7237         if_multiarch.
7238
7239         PR middle-end/89590
7240         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7241         exactly one argument.
7242
7243 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7244             Richard Sandiford  <richard.sandiford@arm.com>
7245
7246         PR tree-optimization/89570
7247         * match.pd (vec_cond into cond_op simplification): Don't use
7248         get_conditional_internal_fn, use as_internal_fn (cond_op).
7249
7250 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7251
7252         PR target/89222
7253         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7254         to decide when to split off a non-zero offset from a symbol.
7255         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7256         in function symbols.
7257
7258 2019-03-05  Richard Biener  <rguenther@suse.de>
7259
7260         PR tree-optimization/89594
7261         * tree-if-conv.c (pass_if_conversion::execute): Handle
7262         case where .LOOP_VECTORIZED_FUNCTION was removed.
7263
7264 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7265
7266         PR bootstrap/89560
7267         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7268         instead alloca it only when needed with the needed size.
7269
7270         PR tree-optimization/89570
7271         * match.pd (vec_cond into cond_op simplification): Guard with
7272         vectorized_internal_fn_supported_p test and #if GIMPLE.
7273
7274         PR tree-optimization/89566
7275         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7276         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7277         Punt if get_user_idx_format succeeds, but idx_format argument is
7278         not provided or doesn't have pointer type, or if idx_args is above
7279         number of provided arguments.
7280
7281 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7282
7283         PR tree-optimization/89437
7284         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7285
7286 2019-03-04  Richard Biener  <rguenther@suse.de>
7287
7288         PR middle-end/89572
7289         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7290         safe_dyn_cast.
7291
7292 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7293
7294         PR tree-optimization/89487
7295         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7296         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7297         (distribute_loop): Don't do runtime alias check if there is non-
7298         addressable data reference.
7299         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7300         is a register variable.
7301
7302 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7303
7304         PR target/89506
7305         * config/arm/arm.md (cmpsi2_addneg): Use
7306         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7307         If operands[2] is 0 or INT_MIN, force use of subs.
7308         (*compare_scc splitter): Use gen_int_mode.
7309         (*negscc): Likewise.
7310         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7311
7312 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7313             Monk Chiang  <sh.chiang04@gmail.com>
7314
7315         * common/config/riscv/riscv-common.c: Include sstream.
7316         (riscv_subset_list::to_string): New.
7317         (riscv_arch_str): Likewise.
7318         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7319         * config.in: Regen.
7320         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7321         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7322         (riscv_emit_attribute): New.
7323         (riscv_file_start): Emit attribute if needed.
7324         (riscv_option_override): Init riscv_emit_attribute_p.
7325         * config/riscv/riscv.opt (mriscv-attribute): New option.
7326         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7327         * configure: Regen.
7328         * doc/install.texi: Document --with-riscv-attribute.
7329         * doc/invoke.texi: Document -mriscv-attribute.
7330
7331         * common/config/riscv/riscv-common.c:
7332         Include config/riscv/riscv-protos.h.
7333         (INCLUDE_STRING): Defined.
7334         (RISCV_DONT_CARE_VERSION): Defined.
7335         (riscv_subset_t): Declare.
7336         (riscv_subset_t::riscv_subset_t): New.
7337         (riscv_subset_list): Declare.
7338         (riscv_subset_list::riscv_subset_list): New.
7339         (riscv_subset_list::~riscv_subset_list): Likewise.
7340         (riscv_subset_list::parsing_subset_version): Likewise.
7341         (riscv_subset_list::parse_std_ext): Likewise.
7342         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7343         (riscv_subset_list::add): Likewise.
7344         (riscv_subset_list::lookup): Likewise.
7345         (riscv_subset_list::xlen): Likewise.
7346         (riscv_subset_list::parse): Likewise.
7347         (riscv_supported_std_ext): Likewise.
7348         (current_subset_list): Likewise.
7349         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7350         parse.
7351
7352 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7353
7354         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7355         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7356         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7357
7358 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7359
7360         PR rtl-optimization/85899
7361         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7362         fallthru edges leading to the exit block.
7363
7364 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7365
7366         PR target/89517
7367         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7368         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7369
7370 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7371
7372         PR tree-optimization/89535
7373         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7374         for each operand.  Calculate the fallback choice for mask operands
7375         and pass it to vect_get_vec_def_for_operand.
7376
7377 2019-03-01  Richard Biener  <rguenther@suse.de>
7378
7379         PR middle-end/89541
7380         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7381         get virtual operands.
7382         (get_expr_operands): Handle CONST_DECL like other decls.
7383
7384 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7385
7386         PR middle-end/89503
7387         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7388         on DECL_P and EXPR_P.
7389
7390 2019-03-01  Richard Biener  <rguenther@suse.de>
7391
7392         PR middle-end/89497
7393         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7394         argument, defaulted to zero.
7395         * passes.c (execute_function_todo): Pass down SSA update flags
7396         to cleanup_tree_cfg.
7397         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7398         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7399         form if requested.
7400         (cleanup_tree_cfg): Get and pass down SSA update flags.
7401
7402 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7403
7404         PR bootstrap/89539
7405         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7406         early_lto_debug argument.
7407
7408 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7409
7410         PR tree-optimization/89536
7411         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7412         only whether bit #0 of the value is 0 instead of the entire value.
7413
7414 2019-02-28  Marek Polacek  <polacek@redhat.com>
7415
7416         PR c++/87068 - missing diagnostic with fallthrough statement.
7417         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7418         at the end of a seq, save its location to walk_stmt_info.
7419         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7420         a switch.
7421
7422 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7423
7424         PR lto/88585
7425         * tree.c (find_atomic_core_type): Move ahead in file.
7426         (check_base_type): Correctly compare alignments of atomic types.
7427
7428 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7429
7430         PR target/89455
7431         * config/i386/i386.c (get_builtin_code_for_version): Identify
7432         Westmere from PCLMUL, instead of AES.
7433
7434 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7435
7436         PR target/89434
7437         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7438         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7439         -UINTVAL (...).
7440
7441 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7442
7443         PR target/88530
7444         * config/aarch64/aarch64-option-extensions.def: Document it.
7445         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7446         if empty hwcaps.
7447
7448 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7449
7450         PR c/89520
7451         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7452         builtins if they don't have a single scalar floating point argument.
7453         Formatting fixes.
7454
7455 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7456
7457         PR rtl-optimization/89490
7458         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7459         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7460         block section is not mergeable.
7461
7462 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7463
7464         PR target/70341
7465         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7466         old define_insn to ...
7467         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7468         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7469         Rename old define_insn to ...
7470         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7471         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7472         define_insn to ...
7473         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7474         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7475         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7476
7477 2019-02-27  Richard Biener  <rguenther@suse.de>
7478
7479         PR debug/88878
7480         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7481
7482 2019-02-27  Richard Biener  <rguenther@suse.de>
7483
7484         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7485         building.
7486
7487 2019-02-27  Richard Biener  <rguenther@suse.de>
7488
7489         PR debug/88878
7490         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7491         parameter, prefix section name with .gnu.debuglto_ if true.
7492         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7493         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7494
7495 2019-02-27  Richard Biener  <rguenther@suse.de>
7496
7497         PR debug/89514
7498         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7499         rather than on use_debug_types, doing what output_die does.
7500         (value_format): Likewise.
7501
7502 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7503             Martin Sebor  <msebor@redhat.com>
7504
7505         * doc/invoke.texi (Warning Options): Reword description of
7506         -Wno-absolute-value.
7507
7508 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7509
7510         PR tree-optimization/89280
7511         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7512         builtin_setjmp_setup_bb): New functions.
7513         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7514         When visiting __builtin_setjmp_setup block, queue in special
7515         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7516         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7517         from visited after the loop if they don't have any visited successor
7518         blocks.
7519
7520 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7521
7522         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7523         New function.
7524         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7525
7526 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7527
7528         PR c++/89507
7529         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7530         with types other than sizetype/ssizetype.
7531
7532 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7533
7534         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7535         (enum sparc_processor_type): ...this.
7536         (enum sparc_code_model_type): New enumeration type.
7537         (enum sparc_memory_model_type): Tweak comments.
7538         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7539         (mtune): Likewise.
7540         (mcmodel): Use sparc_code_model enumeration and variable.
7541         (sparc_code_model): New enumeration.
7542         (mdebug): Add Undocumented marker.
7543         * config/sparc/sparc.h (enum cmodel): Delete.
7544         (sparc_cmodel): Likewise.
7545         (TARGET_CM_MEDLOW): Adjust to above renaming.
7546         (TARGET_CM_MEDMID): Likewise.
7547         (TARGET_CM_MEDANY): Likewise.
7548         (TARGET_CM_EMBMEDANY): Likewise.
7549         * config/sparc/sparc.c (sparc_cmodel): Delete.
7550         (sparc_option_override): Remove string/value mapping support for the
7551         code model.  Move code and memory model support to after the handling
7552         of target flags.  Do private machine setup last.
7553         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7554         (sparc_legitimize_reload_address): Likewise.
7555         (sparc_output_mi_thunk): Likewise.
7556         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7557
7558 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7559
7560         PR tree-optimization/89500
7561         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7562         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7563         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7564         cst if the first cst bytes starting at x are known to be non-zero,
7565         even if the string is not zero terminated.  Don't try to modify
7566         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7567         we can prove strnlen returns the same value as strlen would.
7568
7569 2019-02-26  Martin Liska  <mliska@suse.cz>
7570
7571         * alloc-pool.h (struct pool_usage): Remove extra
7572         print_dash_line.
7573         * bitmap.h (struct bitmap_usage): Likewise.
7574         * ggc-common.c (struct ggc_usage): Likewise.
7575         * mem-stats.h (struct mem_usage): Likewise.
7576         (mem_alloc_description::dump): Print dash lines
7577         here and repeat header at the end of a table report.
7578         It's then more readable.
7579         * tree-phinodes.c (phinodes_print_statistics): Make
7580         horizontal alignment.
7581         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7582         * vec.c (struct vec_usage): Remove extra print_dash_line.
7583         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7584
7585 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7586
7587         * doc/extend.texi (__builtin_object_size):
7588         Use @pxref instead of @xref inside parenthesis.
7589         (__builtin_has_attribute): Add missing comma after @xref.
7590         (__builtin_object_size): Ditto.
7591         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7592         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7593         in the list.
7594
7595 2019-02-26  Jeff Law  <law@redhat.com>
7596
7597         PR rtl-optimization/87761
7598         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7599         detect obviously dead insns and delete them.
7600
7601 2019-02-26  Richard Biener  <rguenther@suse.de>
7602
7603         PR tree-optimization/89505
7604         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7605         to handle restrict pointed-to vars with multiple subvars
7606         correctly.
7607
7608 2019-02-26  Richard Biener  <rguenther@suse.de>
7609
7610         PR tree-optimization/89489
7611         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7612
7613 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7614
7615         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7616         and move around comment.
7617         <BIT_AND_EXPR>: Likewise.
7618         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7619
7620 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7621
7622         PR target/89474
7623         * config/i386/i386.c (remove_partial_avx_dependency): Call
7624         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7625         after changing possibly many instructions to use that pseudo.  Fix up
7626         insertion of v4sf_const0 setter at the start of bb.
7627
7628 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7629
7630         PR c/80409
7631         * doc/extend.texi (Variadic Pointer Args): New section.
7632
7633 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7634             Martin Sebor  <msebor@gmail.com>
7635
7636         * common.opt (Wattribute-alias): Likewise.
7637         * doc/invoke.texi (Option Summary): List general form of
7638         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7639         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7640         Add cross-references.
7641         (-Wattribute-alias): Rewrite and correct default.  Mention
7642         considered attributes (same as for -Wmissing-attributes).
7643
7644 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7645
7646         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7647         (_mm_cvtpd_ps): Likewise.
7648         (_mm_cvttpd_epi32): Likewise.
7649
7650         PR target/89338
7651         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7652         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7653
7654         PR target/89339
7655         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7656
7657 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7658
7659         PR target/88530
7660         * common/config/aarch64/aarch64-common.c
7661         (struct aarch64_option_extension): Add is_synthetic.
7662         (all_extensions): Use it.
7663         (TARGET_OPTION_INIT_STRUCT): Define hook.
7664         (struct gcc_targetm_common): Moved to end.
7665         (all_extensions_by_on): New.
7666         (opt_ext_cmp, typedef opt_ext): New.
7667         (aarch64_option_init_struct): New.
7668         (aarch64_contains_opt): New.
7669         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7670         * config/aarch64/aarch64-option-extensions.def
7671         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7672         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7673         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7674         Set is_synthetic to false.
7675         (crypto): Set is_synthetic to true.
7676         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7677         SYNTHETIC.
7678
7679 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7680
7681         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7682         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7683         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7684         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7685         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7686         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7687         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7688         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7689         Rename ...
7690         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7691         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7692         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7693         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7694         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7695         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7696         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7697         vfmlsl_laneq_high_f16): ... To this.
7698         * config/arm/neon.md: Update comments.
7699
7700 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7701
7702         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7703         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7704         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7705         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7706         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7707         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7708         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7709         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7710         Rename ...
7711         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7712         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7713         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7714         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7715         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7716         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7717         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7718         vfmlslq_laneq_high_f16): ... To this.
7719
7720 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7721
7722         PR rtl-optimization/86096
7723         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7724         comparing mw_order values.
7725
7726 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7727
7728         PR target/89434
7729         * config/arm/arm.md (*subsi3_carryin_const): Use
7730         arm_neg_immediate_operand predicate instead of
7731         arm_not_immediate_operand, "L" constraint instead of "K" and
7732         print it using %n2 instead of %B2.
7733         (*subsi3_carryin_const0): New define_insn.
7734         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7735         instead of arm_not_operand and "I" constraint instead of "K" and
7736         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7737         another match_operand and in the condition check that it is negation
7738         of operands[2].
7739         (*subsi3_carryin_compare_const0): New define_ins.
7740         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7741         *subsi3_carryin_const.
7742         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7743         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7744
7745         PR target/89438
7746         * config/arm.vfp.md (*negdf2_vfp): Use
7747         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7748         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7749
7750 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7751
7752         PR rtl-optimization/89445
7753         * simplify-rtx.c (simplify_ternary_operation): Don't use
7754         simplify_merge_mask on operands that may trap.
7755         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7756         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7757         second operand is CONST_VECTOR, check if any element could be zero.
7758         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7759         their operands can trap.
7760
7761 2019-02-23  Martin Sebor  <msebor@redhat.com>
7762
7763         * gimple-ssa-sprintf.c (target_strtol): Rename...
7764         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7765         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7766         check for range error.
7767
7768 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7769
7770         PR driver/69471
7771         * opts-common.c (prune_options): Also prune joined switches
7772         with Negative and RejectNegative.
7773         * config/i386/i386.opt (march=): Add Negative(march=).
7774         (mtune=): Add Negative(mtune=).
7775         * doc/options.texi: Document Negative used together with Joined
7776         and RejectNegative.
7777
7778 2019-02-22  Martin Sebor  <msebor@redhat.com>
7779
7780         * doc/extend.texi (Other Builtins): Add
7781         __builtin_is_constant_evaluated.
7782
7783 2019-02-22  Richard Biener  <rguenther@suse.de>
7784
7785         PR tree-optimization/87609
7786         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7787
7788 2019-02-22  Jeff Law  <law@redhat.com>
7789
7790         PR rtl-optimization/87761
7791         * config/mips/mips.md: Add new combiner pattern to recognize
7792         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7793
7794 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7795
7796         PR target/89324
7797         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7798         destination register in peepholes generating patterns for ADDS/SUBS.
7799         (add<mode>3_compare0,
7800         *addsi3_compare0_uxtw, add<mode>3_compareC,
7801         add<mode>3_compareV_imm, add<mode>3_compareV,
7802         *adds_<optab><ALLX:mode>_<GPI:mode>,
7803         *subs_<optab><ALLX:mode>_<GPI:mode>,
7804         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7805         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7806         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7807         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7808         sub<mode>3_compare1): Allow stack pointer for source register.
7809         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7810
7811 2019-02-22  Martin Sebor  <msebor@redhat.com>
7812
7813         PR tree-optimization/88993
7814         PR tree-optimization/88853
7815         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7816         New helper.
7817         (sprintf_dom_walker::call_info::is_string_func): New helper.
7818         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7819         for formatted string functions.
7820         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7821
7822 2019-02-22  Martin Sebor  <msebor@redhat.com>
7823
7824         PR c/89425
7825         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7826         unreachable subexpressions.
7827
7828 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7829             Hongtao Liu  <hongtao.liu@intel.com>
7830             Sunil K Pandey  <sunil.k.pandey@intel.com>
7831
7832         PR target/87007
7833         * config/i386/i386-passes.def: Add
7834         pass_remove_partial_avx_dependency.
7835         * config/i386/i386-protos.h
7836         (make_pass_remove_partial_avx_dependency): New.
7837         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7838         New function.
7839         (pass_data_remove_partial_avx_dependency): New.
7840         (pass_remove_partial_avx_dependency): Likewise.
7841         (make_pass_remove_partial_avx_dependency): Likewise.
7842         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7843         (*extendsfdf2): Add avx_partial_xmm_update.
7844         (truncdfsf2): Likewise.
7845         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7846         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7847
7848 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7849
7850         PR middle-end/85598
7851         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7852         analysis for pass.
7853
7854 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7855
7856         PR target/89444
7857         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7858         (PTA_SKYLAKE): Add PTA_AES.
7859         (PTA_GOLDMONT): Likewise.
7860
7861 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7862
7863         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7864         instruction if enabled.
7865         (aarch64_override_options): Remove reference to return address key.
7866
7867 2019-02-22  Richard Biener  <rguenther@suse.de>
7868
7869         PR tree-optimization/89440
7870         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7871         not necessary assert.
7872
7873 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7874
7875         PR fortran/72741
7876         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7877         (oacc_replace_fn_attrib_attr): ... this new function.
7878         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7879         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7880
7881 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7882
7883         * config/arm/arm-cpus.in (ares): Rename to...
7884         (neoverse-n1): ... This.  Add ares as alias.
7885         * config/arm/arm-tables.opt: Regenerate.
7886         * config/arm/arm-tune.md: Likewise.
7887         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7888
7889 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7890
7891         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7892         * config/aarch64/aarch64-tune.md: Regenerate.
7893         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7894
7895 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7896
7897         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7898         (neoversen1_tunings): ... This.
7899         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7900         (neoverse-n1): New CPU.
7901         * config/aarch64/aarch64-tune.md: Regenerate.
7902         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7903
7904 2019-02-22  Richard Biener  <rguenther@suse.de>
7905
7906         PR middle-end/87609
7907         * cfghooks.h (dependence_hash): New typedef.
7908         (struct copy_bb_data): New type.
7909         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7910         (duplicate_block): Likewise.
7911         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7912         (copy_bbs): Create and pass down copy_bb_data.
7913         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7914         (rtl_duplicate_bb): Likewise.
7915         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7916         remap dependence info.
7917
7918 2019-02-22  Richard Biener  <rguenther@suse.de>
7919
7920         PR tree-optimization/87609
7921         * tree-core.h (tree_base): Document special clique values.
7922         * tree-inline.c (remap_dependence_clique): Do not use the
7923         special clique value of one.
7924         (maybe_set_dependence_info): Use clique one.
7925         (clear_dependence_clique): New callback.
7926         (compute_dependence_clique): Clear clique one from all refs
7927         before assigning it (again).
7928
7929 2019-02-21  Martin Sebor  <msebor@redhat.com>
7930
7931         * doc/extend.texi (__clear_cache): Correct signature.
7932
7933 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7934
7935         PR go/89170
7936         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7937         than output_constant_def.
7938         (add_constant_to_table): New static function.
7939         (output_constant_def): Call add_constant_to_table.
7940         (tree_output_constant_def): Likewise.
7941
7942 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7943
7944         PR c++/89285
7945         * builtins.c (fold_builtin_arith_overflow): If first two args are
7946         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7947         to ifn.
7948
7949 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7950
7951         PR target/87412
7952         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7953         error for -mindirect-branch/-mfunction-return with incompatible
7954         -fcf-protection.
7955
7956 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7957
7958         PR bootstrap/88714
7959         * constraints.md (q): Remove.
7960         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7961         instead of q.
7962
7963 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7964
7965         PR hsa/89302
7966         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7967         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7968         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7969         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7970         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7971         proper values to new parameters of omp_adjust_for_condition.
7972
7973 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7974
7975         PR middle-end/89412
7976         * expr.c (expand_assignment): If result is a MEM, use change_address
7977         instead of simplify_gen_subreg.
7978
7979 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7980             David Malcolm  <dmalcolm@redhat.com>
7981
7982         PR middle-end/89091
7983         * fold-const.c (decode_field_reference): Return NULL_TREE if
7984         lang_hooks.types.type_for_size returns NULL.  Check it before
7985         overwriting *exp_.  Use return NULL_TREE instead of return 0.
7986
7987 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7988
7989         PR middle-end/88074
7990         PR middle-end/89415
7991         * toplev.c (do_compile): Double the emin/emax exponents to workaround
7992         buggy mpc_norm.
7993
7994 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
7995
7996         PR target/89397
7997         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
7998         TARGET_SSE in addition to TARGET_SSE_MATH.
7999
8000         (ix86_excess_precision): Ditto.
8001         (ix86_float_exceptions_rounding_supported_p): Ditto.
8002         (use_rsqrt_p): Ditto.
8003         * config/i386/sse.md (rsqrt<mode>2): Ditto.
8004
8005 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
8006
8007         PR c/89410
8008         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
8009         linenum_arith_t when determining if two adjacent line spans are
8010         close enough to merge.
8011         (diagnostic_show_locus): Use linenum_arith_t when iterating over
8012         lines within each line_span.
8013
8014 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
8015
8016         PR target/86487
8017         * lra-constraints.c(uses_hard_regs_p): Fix handling of
8018         paradoxical SUBREGS.
8019
8020 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
8021
8022         PR target/88100
8023         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
8024         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
8025         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
8026         range checking it.
8027
8028 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
8029
8030         * config/gcn/gcn.c (print_operand): Fix typo.
8031
8032 2019-02-19  Richard Biener  <rguenther@suse.de>
8033
8034         PR middle-end/88074
8035         * toplev.c (do_compile): Initialize mpfr's exponent range
8036         based on available float modes.
8037
8038 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8039
8040         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
8041         as long as the epilogue isn't completed.
8042
8043 2019-02-18  Martin Sebor  <msebor@redhat.com>
8044
8045         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
8046         __has_cpp_attribute, and __has_include.
8047
8048 2019-02-18  Martin Sebor  <msebor@redhat.com>
8049
8050         * doc/invoke.texi (-Wreturn-type): Correct and expand.
8051
8052 2019-02-18  Martin Sebor  <msebor@redhat.com>
8053
8054         PR middle-end/89294
8055         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
8056         expression.
8057         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
8058
8059 2019-02-18  Richard Biener  <rguenther@suse.de>
8060
8061         PR tree-optimization/89296
8062         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
8063         of no-warning flag to cases that might emit the bogus warning.
8064
8065 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
8066
8067         PR bootstrap/88714
8068         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
8069         "q" constraint.
8070         * config/arm/vfp.md (*movdi_vfp): Likewise.
8071         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
8072         "q" constraint for operands[0].
8073
8074         PR target/89369
8075         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
8076         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
8077         pattern in a temporary buffer.
8078         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
8079         than 64-operands[2].
8080
8081         PR target/89361
8082         * config/s390/s390.c (s390_indirect_branch_attrvalue,
8083         s390_indirect_branch_settings): Define unconditionally.
8084         (s390_set_current_function): Likewise, but guard the whole body except
8085         the s390_indirect_branch_settings call with
8086         #if S390_USE_TARGET_ATTRIBUTE.
8087         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
8088
8089         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
8090         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
8091         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
8092         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
8093         HOST_WIDE_INT_1U instead of 1ULL.
8094         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
8095         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
8096         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
8097         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
8098         instead of 1UL.
8099         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
8100         instead of 1ul.
8101
8102 2019-02-18  Martin Jambor  <mjambor@suse.cz>
8103
8104         PR tree-optimization/89209
8105         * tree-sra.c (create_access_replacement): New optional parameter
8106         reg_tree.  Use it as a type if non-NULL and access type is not of
8107         a register type.
8108         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
8109         to create_access_replacement.
8110         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
8111         Check lacc is non-NULL before attempting to re-create it on the RHS.
8112
8113 2019-02-18  Martin Liska  <mliska@suse.cz>
8114
8115         PR ipa/89306
8116         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
8117         by default.
8118         (symbol_table::free_edge): Recycle m_summary_id.
8119         * cgraph.h (get_summary_id): New.
8120         (symbol_table::release_symbol): Set m_summary_id to -1
8121         by default.
8122         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
8123         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
8124         function_summary to fast_function_summary.
8125         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
8126         * ipa-pure-const.c (class funct_state_summary_t):
8127         Switch from function_summary to fast_function_summary.
8128         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
8129         (class ipa_ref_opt_summary_t): Switch from function_summary
8130         to fast_function_summary.
8131         * symbol-summary.h (class function_summary_base): New class
8132         that is created from base of former function_summary.
8133         (function_summary_base::unregister_hooks): New.
8134         (class function_summary): Inherit from function_summary_base.
8135         (class call_summary_base): New class
8136         that is created from base of former call_summary.
8137         (class call_summary): Inherit from call_summary_base.
8138         (struct is_same): New.
8139         (class fast_function_summary): New summary class.
8140         (class fast_call_summary): New summary class.
8141         * vec.h (vec_safe_grow_cleared): New function.
8142
8143 2019-02-18  Martin Liska  <mliska@suse.cz>
8144
8145         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
8146         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
8147         * doc/tm.texi: Document new target hook.
8148         * doc/tm.texi.in: Likewise.
8149         * target.def: Add new target macro.
8150         * gcc.c (find_fortran_preinclude_file): Do not search multilib
8151         suffixes.
8152
8153 2019-02-17  Alan Modra  <amodra@gmail.com>
8154
8155         PR target/89271
8156         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
8157         output reg on add insn.
8158         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
8159
8160 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8161
8162         PR target/89372
8163         * config/i386/sse.md (ssedoublemode): Remove V4HI.
8164         (PMULHRSW): Likewise.
8165         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
8166         TARGET_AVX2.
8167         (ssse3_pmulhrswv4hi3): New expander.
8168
8169 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8170
8171         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8172         MMX.  Add isa attribute.
8173
8174 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8175
8176         PR rtl-optimization/66152
8177         * builtins.h (c_readstr): Declare.
8178         * builtins.c (c_readstr): Remove forward declaration.  Add
8179         null_terminated_p argument, if false, read all bytes from the
8180         string instead of stopping after '\0'.
8181         * expr.c (string_cst_read_str): New function.
8182         (store_expr): Use string_cst_read_str instead of
8183         builtin_strncpy_read_str.  Try to store by pieces the whole
8184         exp_len first, and only if that fails, split it up into
8185         store by pieces followed by clear_storage.  Formatting fix.
8186
8187         * config/i386/i386.md (*movqi_internal): Remove static from
8188         buf variable.  Use output_asm_insn (buf, operands); return "";
8189         instead of return buf;.
8190         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8191         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8192         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8193
8194 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8195
8196         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8197         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8198         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8199         (CC1_SPEC): Likewise.
8200         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8201
8202 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8203
8204         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8205         the base address on 64-bit strict-alignment platforms.
8206
8207 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8208
8209         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8210
8211 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8212
8213         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8214
8215 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8216
8217         PR rtl-optimization/88308
8218         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8219         on copied instruction.
8220
8221 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8222
8223         * final.c (insn_current_reference_address): Replace test on JUMP_P
8224         with test on jump_to_label_p.
8225         * config/visium/visium-passes.def: New file.
8226         * config/visium/t-visium (PASSES_EXTRA): Define.
8227         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8228         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8229         (TRAMPOLINE_ALIGNMENT): Define.
8230         * config/visium/visium.c (visium_option_override): Do not register
8231         the machine-specific reorg pass here.
8232         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8233         for the GR6.
8234         (output_branch): Adjust threshold for long branch instruction.
8235         * config/visium/visium.md (cpu): Move around.
8236         (length): Adjust for the GR6.
8237
8238 2019-02-15  Richard Biener  <rguenther@suse.de>
8239             Jakub Jelinek  <jakub@redhat.com>
8240
8241         PR tree-optimization/89278
8242         * tree-loop-distribution.c: Include tree-eh.h.
8243         (generate_memset_builtin, generate_memcpy_builtin): Call
8244         rewrite_to_non_trapping_overflow on builtin->size before passing it
8245         to force_gimple_operand_gsi.
8246
8247 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8248
8249         PR other/89342
8250         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8251         optimize_debug.
8252         * opth-gen.awk: Likewise.
8253
8254 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8255
8256         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8257         Enable MMX, SSE and SSE2 by default.
8258         * config/i386/i386.c (ix86_option_override_internal): Do not
8259         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8260
8261 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8262
8263         PR rtl-optimization/89354
8264         * combine.c (make_extraction): Punt if extraction_mode is narrower
8265         than len bits.
8266
8267 2019-02-14  Maya Rashish  <coypu@sdf.org>
8268
8269         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8270         * config/netbsd-d.c: New file.
8271         * config/t-netbsd: Add netbsd-d.o
8272
8273 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8274
8275         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8276         affects_type_identity to true for aarch64_vector_pcs.
8277         (aarch64_comp_type_attributes): New function.
8278         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8279
8280 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8281
8282         PR target/88850
8283         * config/arm/iterators.md (ANY64): Add V4HF.
8284
8285 2019-02-14  Martin Liska  <mliska@suse.cz>
8286
8287         PR rtl-optimization/89242
8288         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8289         process a transformation.
8290
8291 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8292
8293         PR tree-optimization/89314
8294         * fold-const.c (fold_binary_loc): Cast strlen argument to
8295         const char * before dereferencing it.  Formatting fixes.
8296
8297         PR middle-end/89284
8298         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8299
8300 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8301
8302         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8303         and set current index for other optimizations.
8304
8305 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8306
8307         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8308         nonimmediate_operand as operand 2 predicate.
8309         (vec_set<VF2_512_256:mode>_0): Ditto.
8310         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8311         (*vec_concatv2si): Remove alternative 2.
8312         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8313         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8314         (vec_concatv2di): Split alternatives 4,5,6 to ...
8315         (*vec_concatv2di_0) ... new pattern.
8316
8317 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8318
8319         PR target/89190
8320         * config/arm/arm.c (ldm_stm_operation_p) Set
8321         addr_reg_in_reglist correctly for first register.
8322         (load_multiple_sequence): Remove dead base check.
8323         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8324
8325 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8326
8327         PR target/88847
8328         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8329         Expose as @aarch64_pred_mov.
8330         * config/aarch64/aarch64.c (aarch64_classify_address):
8331         Use expand_insn which legitimizes operands.
8332
8333 2019-02-13  Martin Liska  <mliska@suse.cz>
8334
8335         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8336         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8337         and pointer_offset fields.
8338         (initialize_argument_information): Remove usage of dead
8339         fields.
8340         * cgraph.h (struct cgraph_thunk_info): Remove
8341         add_pointer_bounds_args.
8342         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8343         fields.
8344         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8345         fields.
8346         * config/i386/i386.c (ix86_function_arg_advance): Remove
8347         unrelated comment.
8348         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8349         (def_builtin):  Remove usage of dead
8350         fields.
8351         (ix86_add_new_builtins): Likewise.
8352         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8353         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8354         (sem_function::init): Likewise.
8355         (sem_variable::merge): Likewise.
8356         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8357         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8358         * lto-cgraph.c (lto_output_node): Likewise.
8359         (lto_output_varpool_node): Likewise.
8360         (input_node): Likewise.
8361         (input_varpool_node): Likewise.
8362         * lto-streamer-out.c (lto_output): Likewise.
8363         * tree-inline.c (expand_call_inline): Remove usage of
8364         assign_stmts.
8365         * tree-inline.h (struct copy_body_data): Likewise.
8366         * varpool.c (varpool_node::dump): Likewise.
8367
8368 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8369
8370         PR middle-end/89303
8371         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8372         into pt->vars_contains_escaped_heap instead of setting
8373         pt->vars_contains_escaped_heap to it.
8374
8375         PR middle-end/89281
8376         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8377         INTVAL (size), compare it to GET_MODE_MASK instead of
8378         1 << GET_MODE_BITSIZE.
8379
8380         PR target/89290
8381         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8382         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8383         -mcmodel=large.
8384
8385 2019-02-13  Martin Liska  <mliska@suse.cz>
8386
8387         PR lto/88858
8388         * cfgrtl.c (remove_barriers_from_footer): New function.
8389         (try_redirect_by_replacing_jump): Use it.
8390         (cfg_layout_redirect_edge_and_branch): Likewise.
8391
8392 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8393
8394         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8395         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8396         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8397         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8398         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8399         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8400         New BU_CRYPTO_2.
8401         * config/rs6000/rs6000.c (builtin_function_type)
8402         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8403         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8404         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8405         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8406         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8407
8408 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8409
8410         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8411         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8412
8413 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8414
8415         PR target/89229
8416         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8417         268678 and revision 268657.
8418         (*movti_internal): Likewise.
8419
8420 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8421
8422         PR target/89233
8423         * config/s390/s390.c (s390_decompose_address): Update comment.
8424         (s390_check_qrst_address): Reject invalid address forms after
8425         LRA.
8426
8427 2019-02-12  Martin Liska  <mliska@suse.cz>
8428
8429         PR lto/88876
8430         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8431         we need default values of funct_state for a function that
8432         is not optimized.
8433
8434 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8435
8436         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8437         the object to pick the size of stores on strict-alignment platforms.
8438
8439         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8440         (*movdi_insn_sp32): Likewise.
8441         (*movdi_insn_sp64): Likewise.
8442
8443 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8444
8445         PR lto/88677
8446         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8447         types that needs constructiong.
8448         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8449
8450 2019-02-12  Richard Biener  <rguenther@suse.de>
8451
8452         PR tree-optimization/89253
8453         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8454         duplicate the loop.
8455
8456 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8457
8458         PR lto/88147
8459         * input.c (selftest::test_line_offset_overflow): New selftest.
8460         (selftest::input_c_tests): Call it.
8461
8462 2019-02-11  Martin Sebor  <msebor@redhat.com>
8463
8464         PR tree-optimization/88771
8465         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8466         when -Wstringop-overflow is set.
8467         (builtin_memref::builtin_memref): Adjust excessive upper bound
8468         only when lower bound is not excessive.
8469         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8470         -Wstringop-ovefflow.
8471         (maybe_diag_offset_bounds): Rename...
8472         (maybe_diag_access_bounds): ...to this.
8473         (check_bounds_or_overlap): Adjust for name change above.
8474
8475 2019-02-11  Martin Sebor  <msebor@redhat.com>
8476
8477         PR c++/87996
8478         * builtins.c (max_object_size): Move from here...
8479         * builtins.h (max_object_size): ...and here...
8480         * tree.c (max_object_size): ...to here...
8481         * tree.h (max_object_size): ...and here.
8482
8483 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8484
8485         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8486         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8487         for correct semantics.
8488
8489 2019-02-11  Alan Modra  <amodra@gmail.com>
8490
8491         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8492         -mlongcall and -mpltseq.
8493         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8494         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8495         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8496         * config/rs6000/sysv4.opt (mpltseq): New option.
8497         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8498         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8499         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8500         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8501         -mpltseq given for ELFv1.
8502         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8503         Only use UNSPEC_PLTSEQ for inline PLT calls.
8504         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8505         use UNSPEC_PLTSEQ for inline PLT calls.
8506         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8507         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8508         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8509         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8510         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8511         (pltseq_mtctr_<mode>): Likewise.
8512
8513 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8514
8515         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8516         Solaris ld.
8517         * configure: Regenerate.
8518
8519 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8520
8521         PR bootstrap/88714
8522         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8523         instead of r.
8524
8525 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8526
8527         * function.c (assign_parm_setup_block): Use the stored
8528         size, not the passed size, when allocating stack-space,
8529         also for a parameter with alignment larger than
8530         MAX_SUPPORTED_STACK_ALIGNMENT.
8531
8532 2019-02-11  Martin Liska  <mliska@suse.cz>
8533
8534         PR ipa/89009
8535         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8536         * ipa-inline.c (inline_small_functions): Likewise.
8537         * ipa-pure-const.c (propagate_pure_const): Likewise.
8538         (propagate_nothrow): Likewise.
8539         * ipa-reference.c (propagate): Likewise.
8540         * ipa-utils.c (struct searchc_env): Remove unused field.
8541         (searchc): Always search across AVAIL_INTERPOSABLE.
8542         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8543         the only called IPA pure const can properly not propagate
8544         across interposable boundary.
8545         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8546
8547 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8548
8549         * config/nds32/nds32.md (call_internal, call_value_internal,
8550         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8551
8552 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8553
8554         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8555         typo.
8556
8557 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8558
8559         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8560         in comments
8561
8562 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8563
8564         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8565
8566 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8567
8568         PR tree-optimization/89268
8569         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8570         if preds is non-NULL.
8571
8572 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8573
8574         PR lto/89272
8575         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8576         polymorphic types.
8577
8578 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8579
8580         * config/nds32/nds32.md (trap): New pattern.
8581
8582 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8583
8584         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8585         dwarf span.
8586
8587 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8588
8589         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8590         to split POST_INC.
8591
8592 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8593
8594         * ipa-visibility.c (localize_node): Also do not localize
8595         LDPR_PREVAILING_DEF_IRONLY_EXP.
8596
8597 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8598
8599         PR lto/87957
8600         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8601         instead of type_with_linkage.
8602
8603 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8604
8605         PR ipa/88755
8606         * params.def (uninlined-function-insns, uninlined-function-time,
8607         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8608         bound so we don't get overflows.
8609
8610 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8611
8612         * config/rs6000/rs6000-string.c (expand_compare_loop,
8613         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8614         memcmp/strncmp.
8615
8616 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8617
8618         PR middle-end/89246
8619         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8620         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8621         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8622
8623 2019-02-09  Alan Modra  <amodra@gmail.com>
8624
8625         PR target/88343
8626         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8627         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8628         setup.
8629
8630 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8631
8632         PR middle-end/88560
8633         * lra-constraints.c (process_alt_operands): Don't increase reject
8634         for memory when offset memory is required.
8635
8636 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8637
8638         * config/s390/vector.md: Implement vector copysign.
8639
8640 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8641
8642         * expr.c (expand_constructor): Correct indentations.
8643
8644 2019-02-08  Richard Biener  <rguenther@suse.de>
8645
8646         PR tree-optimization/89247
8647         * tree-if-conv.c: Include tree-cfgcleanup.h.
8648         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8649         (tree_if_conversion): Pass through predicate vector.
8650         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8651         inline, see if any if-converted loops we refrece in
8652         LOOP_VECTORIZED calls vanished and fixup.
8653         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8654
8655 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8656
8657         * config/s390/constraints.md (jdd): New constraint.
8658
8659 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8660
8661         PR target/89229
8662         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8663         upper 16 vector registers without TARGET_AVX512VL.
8664         (*movti_internal): Likewise.
8665
8666 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8667
8668         PR rtl-optimization/89234
8669         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8670         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8671         (copy_reg_eh_region_note_backward): Likewise.
8672
8673 2019-02-08  Richard Biener  <rguenther@suse.de>
8674
8675         PR middle-end/89223
8676         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8677         doesn't fit in HWI.
8678         (analyze_subscript_affine_affine): Handle failure from
8679         initialize_matrix_A.
8680
8681 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8682
8683         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8684         cfun everywhere.
8685
8686 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8687
8688         PR tree-optimization/86637
8689         PR tree-optimization/89235
8690         * tree-vect-loop.c (optimize_mask_stores): Add an
8691         auto_purge_vect_location sentinel to ensure that vect_location is
8692         purged on exit.
8693         * tree-vectorizer.c
8694         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8695         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8696         to ensure that vect_location is purged on exit.
8697         (pass_slp_vectorize::execute): Likewise, replacing the manual
8698         reset.
8699         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8700
8701 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8702
8703         * config/aarch64/iterators.md (max_opp): New code_attr.
8704         (USMAX): New code iterator.
8705         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8706         (aarch64_smax): Likewise.
8707         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8708         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8709         MINUS (MAX MIN).
8710
8711 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8712
8713         PR target/89229
8714         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8715         for TARGET_AVX512VL.
8716         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8717
8718 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8719
8720         * config/s390/s390-builtin-types.def: Add new types.
8721         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8722         (s390_vec_xlw4): Make the memory operand into a const pointer.
8723         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8724         float.
8725         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8726         a new vector type with the alignment of the scalar memory operand.
8727
8728 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8729             Jakub Jelinek  <jakub@redhat.com>
8730
8731         PR bootstrap/88714
8732         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8733         arm_count_ldrdstrd_insns): New declarations.
8734         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8735         MINUS.
8736         (valid_operands_ldrd_strd): New function.
8737         (arm_count_ldrdstrd_insns): New function.
8738         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8739         sets instead of single DImode set and define new insns to match this.
8740
8741 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8742
8743         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8744         Make it a C initializer.
8745
8746 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8747
8748         PR/target 88850
8749         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8750
8751 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8752
8753         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8754         Use neon_dot<q> for type.
8755         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8756
8757 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8758
8759         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8760         Use neon_dot<q> for type.
8761         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8762         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8763
8764 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8765
8766         PR rtl-optimization/89225
8767         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8768         sizes check.
8769
8770 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8771
8772         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8773         after restoring registers saved to allocate the frame on Windows.
8774
8775 2019-02-06  Richard Biener  <rguenther@suse.de>
8776
8777         PR tree-optimization/89182
8778         * graphite.h (cached_scalar_evolution_in_region): Declare.
8779         * graphite.c (struct seir_cache_key): New.
8780         (struct sese_scev_hash): Likewise.
8781         (seir_cache): New global.
8782         (cached_scalar_evolution_in_region): New function.
8783         (graphite_transform_loops): Allocate and release seir_cache.
8784         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8785         cached_scalar_evolution_in_region.
8786         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8787         Simplify.
8788         (scop_detection::graphite_can_represent_expr: Use
8789         cached_scalar_evolution_in_region.
8790         (scop_detection::stmt_simple_for_scop_p): Likewise.
8791         (find_params_in_bb): Likewise.
8792         (gather_bbs::before_dom_children): Likewise.
8793         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8794         (add_loop_constraints): Likewise.
8795
8796 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8797
8798         PR middle-end/89210
8799         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8800         operand to new_unary_operation only if both element types are integral
8801         and it isn't a widening conversion.  Return NULL_TREE if
8802         new_unary_operation failed.
8803
8804 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8805
8806         PR target/88856
8807         * config/s390/s390.md: Remove load and test FP splitter.
8808
8809 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8810
8811         PR target/89112
8812         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8813         expand_compare_loop, expand_block_compare_gpr,
8814         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8815         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8816         #include "profile-count.h" and "predict.h" for types and functions
8817         needed to work with REG_BR_PROB notes.
8818
8819 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8820
8821         PR target/89112
8822         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8823         for the long branch case.
8824
8825 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8826
8827         PR target/89188
8828         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8829         can throw, non-call exceptions are enabled and we can't delete
8830         dead exceptions or alter cfg.  Set must_clean if
8831         delete_insn_and_edges returns true, don't set it blindly for calls.
8832         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8833
8834         PR rtl-optimization/89195
8835         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8836         of the original MEM.
8837
8838 2019-02-05  Martin Liska  <mliska@suse.cz>
8839
8840         PR gcov-profile/89000
8841         * gcov.c (function_summary): Remove argument.
8842         (file_summary): New function.
8843         (print_usage): Replace tabs with spaces.
8844         (generate_results): Use new function file_summary.
8845
8846 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8847
8848         PR target/89186
8849         * optabs.c (prepare_cmp_insn): Pass x and y to
8850         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8851
8852 2019-02-05  Richard Biener  <rguenther@suse.de>
8853
8854         PR middle-end/89150
8855         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8856         (struct bitmap_element): Drop chain_prev so we properly recurse on
8857         the prev member, supporting tree views.
8858         (struct bitmap_head): GTY skip the obstack member.
8859
8860 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8861
8862         PR c/88698
8863         * doc/extend.texi (Vector Extensions): Add an example of using vector
8864         types together with x86 intrinsics.
8865
8866 2019-02-04  Alan Modra  <amodra@gmail.com>
8867
8868         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8869         str[] size to 160, and comment.
8870
8871 2019-02-04  Alan Modra  <amodra@gmail.com>
8872
8873         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8874         (rs6000_pltseq_template): Guard output of TLS markers with
8875         TARGET_TLS_MARKERS.
8876         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8877         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8878         to use inline PLT sequences.
8879         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8880         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8881         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8882
8883 2019-02-04  Martin Liska  <mliska@suse.cz>
8884
8885         PR ipa/88985
8886         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8887         out when ipa_fn_summaries does not contain entry for callee.
8888
8889 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8890
8891         * config/sparc/sparc.h: Remove superfluous blank lines.
8892         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8893         (got_register_rtx): ...this.
8894         (sparc_got): Adjust to above renaming.
8895         (sparc_tls_got): Likewise.
8896         (sparc_delegitimize_address): Likewise.
8897         (sparc_output_mi_thunk): Likewise.
8898         (sparc_init_pic_reg): Likewise.
8899         (save_local_or_in_reg_p): Fix test on the GOT register.
8900         (USE_HIDDEN_LINKONCE): Move around.
8901         (get_pc_thunk_name): Likewise.
8902         (gen_load_pcrel_sym): Likewise.
8903         (load_got_register): Likewise.
8904
8905 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8906
8907         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8908         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8909
8910 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8911
8912         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8913         into consideration.
8914
8915 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8916
8917         * config.gcc (with_nds32_lib, glibc):
8918         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8919         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8920         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8921
8922 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8923
8924         PR target/89071
8925         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8926         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8927         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8928         (*rcpsf2_sse): Ditto.
8929         (*rsqrtsf2_sse): Ditto.
8930         (sse4_1_round<mode<2): Ditto.
8931
8932 2019-02-03  Richard Biener  <rguenther@suse.de>
8933
8934         PR debug/87295
8935         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8936         orig.
8937
8938 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8939
8940         PR middle-end/87887
8941         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8942         Punt with warning on aggregate return or argument types.  Ignore
8943         type/mode checking for uniform arguments.
8944
8945 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8946
8947         * combine.c (try_combine): Do not print "Can't combine" messages unless
8948         printing failed combination attempts.
8949
8950 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8951
8952         PR hsa/87863
8953         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8954         segment and global segment variables before making them static.
8955
8956 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8957
8958         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8959         missed optimization dump with dump_enabled_p.
8960
8961 2019-02-01  Richard Biener  <rguenther@suse.de>
8962
8963         PR middle-end/88597
8964         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8965         the instantiate cache.
8966         (instantiate_scev_binary): Elide second operand procesing
8967         if equal to the first.
8968         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8969         (chrec_contains_undetermined): Likewise.
8970         (tree_contains_chrecs): Likewise.
8971
8972 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8973
8974         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
8975
8976 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
8977
8978         PR tree-optimization/89143
8979         * wide-int-range.h (wide_int_range_absu): Declare.
8980         * wide-int-range.cc (wide_int_range_absu): New function.
8981         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
8982
8983         PR tree-optimization/88107
8984         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
8985         instead of assertion that eh_region_outermost is non-NULL, if it
8986         is NULL, set *ALL to true and return NULL.
8987         (move_sese_region_to_fn): Adjust caller, if all is set, call
8988         duplicate_eh_regions with NULL region.
8989
8990 2019-02-01  Richard Biener  <rguenth@suse.de>
8991
8992         PR rtl-optimization/88593
8993         * mode-switching.c (optimize_mode_switching): Free dominators before
8994         calling cleanup_cfg.
8995
8996 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
8997
8998         PR tree-optimization/88932
8999         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
9000
9001 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9002
9003         PR middle-end/89137
9004         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
9005         bogus clang warning.
9006
9007 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
9008
9009         PR target/89071
9010         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
9011         alternative to avoid partial SSE register stall for TARGET_AVX.
9012         (truncdfsf2): Ditto.
9013         (sse4_1_round<mode>2): Ditto.
9014
9015 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
9016
9017         PR tree-optimization/89008
9018         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
9019         process anything of the form X * 0.
9020
9021 2019-01-31  Richard Biener  <rguenther@suse.de>
9022
9023         PR tree-optimization/89135
9024         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
9025         with abnormal preds.
9026
9027 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9028
9029         PR sanitizer/89124
9030         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
9031         always_inline callees into no_sanitize_address callers.
9032
9033 2019-01-31  Richard Biener  <rguenther@suse.de>
9034
9035         PR rtl-optimization/89115
9036         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
9037
9038 2019-01-30  Martin Sebor  <msebor@redhat.com>
9039
9040         PR other/89106
9041         * doc/extend.texi (cast to a union): Correct and expand.
9042
9043 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
9044
9045         PR rtl-optimization/87246
9046         * lra-constraints.c (simplify_operand_subreg): Reload memory
9047         in subreg if the address became invalid.
9048
9049 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
9050
9051         PR target/87064
9052         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
9053         Disable for little-endian.
9054
9055 2019-01-30  Richard Biener  <rguenther@suse.de>
9056
9057         PR rtl-optimization/89115
9058         * opts.c (default_options_optimization): Reduce
9059         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
9060         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
9061         to the default.
9062
9063 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9064
9065         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
9066         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
9067         type of vector element when vec_extract is implemented by direct
9068         move.
9069
9070 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
9071
9072         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
9073
9074 2019-01-30  Richard Biener  <rguenther@suse.de>
9075
9076         PR tree-optimization/89111
9077         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
9078         canonicalization to appropriately sized access types.
9079
9080 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
9081
9082         PR c++/89105
9083         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
9084         for arguments to functions that are TU-local and shouldn't be
9085         referenced by assembly.
9086
9087 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
9088
9089         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
9090         after '='.
9091
9092 2019-01-29  Martin Sebor  <msebor@redhat.com>
9093
9094         PR c/88956
9095         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
9096
9097 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
9098
9099         PR c++/66676
9100         PR ipa/89104
9101         * omp-simd-clone.c (simd_clone_clauses_extract)
9102         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
9103         OMP_CLAUSE_ALIGNED_ALIGNMENT.
9104
9105 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
9106
9107         * config.gcc: Force .init_array for ARC.
9108
9109 2019-01-29  Richard Biener  <rguenther@suse.de>
9110
9111         PR debug/87295
9112         * dwarf2out.c (collect_skeleton_dies): New helper.
9113         (copy_decls_for_unworthy_types): Call it.
9114         (build_abbrev_table): Assert we do not try to replace
9115         DW_AT_signature refs with local refs.
9116
9117 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9118
9119         PR middle-end/89002
9120         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
9121         for lastprivate/linear IV, push gimplify context around gimplify_assign
9122         and, if it needed any temporaries, pop it into a gimple bind around the
9123         sequence.
9124
9125 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9126
9127         * common.opt (-Wattribute-alias): Remove "no-" from name.
9128         Make -Wattribute-alias command line option and
9129         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
9130
9131 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9132
9133         PR target/89073
9134         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
9135         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
9136         x86 ISA options.
9137         (bmi2): Add missing @opindex.
9138         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
9139         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
9140         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
9141         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
9142         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
9143         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
9144         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
9145         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
9146         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
9147         xsavec, xsaveopt and xsaves options.
9148
9149 2019-01-28  Richard Biener  <rguenther@suse.de>
9150
9151         PR debug/89076
9152         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
9153         support removal.
9154
9155 2019-01-28  Richard Biener  <rguenther@suse.de>
9156
9157         PR tree-optimization/88739
9158         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9159         BIT_FIELD_REFs only are applied to mode-precision operands
9160         when they are integral.
9161         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
9162         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
9163         BIT_FIELD_REFs of non-mode-precision integral operands.
9164
9165 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
9166
9167         PR target/87214
9168         * config/i386/sse.md
9169         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9170         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9171         first constants in pairs are multiples of 2.  Formatting fixes.
9172         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9173         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9174         first constants in each quadruple are multiples of 4.  Formatting fixes.
9175
9176 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9177
9178         PR ipa/88933
9179         * tree-inline.c: Include tree-cfgcleanup.h.
9180         (delete_unreachable_blocks_update_callgraph): Move...
9181         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9182         ...here, make externally visible, make second argument bool, adjust
9183         all callers.
9184         * tree-cfgcleanup.c: Include cgraph.h.
9185         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9186         Declare.
9187         * ipa-prop.c: Include tree-cfgcleanup.h.
9188         (ipcp_transform_function): Call
9189         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9190
9191 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9192
9193         PR rtl-optimization/88846
9194         * ira.c (process_set_for_memref_referenced_p): New.
9195         (memref_referenced_p): Add new param.  Use
9196         process_set_for_memref_referenced_p.  Add new switch cases.
9197         (memref_used_between_p): Pass new arg to memref_referenced_p.
9198
9199 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9200
9201         PR target/88469
9202         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9203         argument ABI_BREAK.  Set to true if the calculated alignment has
9204         changed in gcc-9.  Check bit-fields for their base type alignment.
9205         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9206         (aarch64_function_arg_boundary): Likewise.
9207         (aarch64_gimplify_va_arg_expr): Likewise.
9208
9209 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9210
9211         PR middle-end/89037
9212         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9213         instead of accessing TREE_INT_CST_ELT directly.
9214
9215 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9216
9217         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9218         fenv_exceptions description.
9219
9220 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9221
9222         PR rtl-optimization/87763
9223         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9224         Allow SUBREG when matching CC_NZmode compare.
9225
9226 2019-01-25  Richard Biener  <rguenther@suse.de>
9227
9228         PR tree-optimization/89049
9229         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9230         Look at the pattern stmt to determine if the stmt is vectorized.
9231
9232 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9233
9234         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9235         (pred_mov<mode>): Handle all-register forms using both a new
9236         alternative and a split.
9237
9238 2019-01-25  Richard Biener  <rguenther@suse.de>
9239
9240         PR tree-optimization/86865
9241         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9242         Reject non-do-while loops.
9243
9244 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9245
9246         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9247         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9248         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9249         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9250         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9251         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9252         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9253         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9254         vlogical_operand, gpc_reg_operand, int_reg_operand,
9255         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9256         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9257         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9258         (save_world_operation, restore_world_operation, lmw_operation,
9259         stmw_operation): Use MEM_P and REG_P.
9260         (tie_operand): Use MEM_P.
9261         (vrsave_operation, crsave_operation): Use REG_P.
9262         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9263         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9264         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9265         (call_operand): Use HARD_REGISTER_P.
9266         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9267         Use CONST_INT_P.
9268         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9269         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9270         quad_aligned_load_p, replace_swapped_aligned_store,
9271         recombine_lvx_pattern, replace_swapped_aligned_load,
9272         recombine_stvx_pattern): Use MEM_P.
9273         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9274         Use MEM_P and SYMBOL_REF_P.
9275         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9276         (insn_is_swappable_p): Use REG_P and MEM_P.
9277         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9278         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9279         Use CONST_INT_P.
9280         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9281         Use CONST_DOUBLE_P.
9282         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9283         CONST_WIDE_INT_P.
9284         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9285         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9286         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9287         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9288         reg_or_subregno:
9289         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9290         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9291         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9292         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9293         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9294         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9295         rs6000_split_logical_di): Use CONST_INT_P.
9296         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9297         REG_P and SYMBOL_REF_P.
9298         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9299         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9300         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9301         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9302         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9303         (small_data_operand, print_operand_address): Use CONST_INT_P and
9304         SYMBOL_REF_P.
9305         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9306         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9307         Use HARD_REGISTER_NUM_P.
9308         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9309         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9310         SUBREG_P and SYMBOL_REF_P.
9311         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9312         and HARD_REGISTER_NUM_P.
9313         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9314         reg_or_subregno.
9315         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9316         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9317         MEM_P and REG_P.
9318         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9319         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9320         find_addr_reg): Use REG_P.
9321         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9322         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9323         (offsettable_ok_by_alignment, constant_pool_expr_p,
9324         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9325         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9326         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9327         rs6000_assemble_integer, create_TOC_reference,
9328         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9329         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9330         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9331         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9332         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9333         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9334         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9335         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9336         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9337         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9338         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9339         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9340         and cbranch<mode>4): Use CONST_INT_P.
9341         (multiple define_splits): Use REG_P and SUBREG_P.
9342         (define_expands call, call_value): Use MEM_P.
9343         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9344         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9345         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9346         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9347         and HARD_REGISTER_NUM_P.
9348         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9349
9350 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9351
9352         PR rtl-optimization/88948
9353         * rtl.h (prepare_copy_insn): New prototype.
9354         * gcse.c (prepare_copy_insn): New function, split out from
9355         process_insert_insn.
9356         (process_insert_insn): Use prepare_copy_insn.
9357         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9358         instead of gen_move_insn.
9359
9360 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9361
9362         PR debug/89006
9363         * config/i386/i386.c (ix86_pic_register_p): Return true for
9364         UNSPEC_SET_GOT too.
9365
9366         PR tree-optimization/88964
9367         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9368         punt if HONOR_SNANS (chrec).
9369
9370         PR middle-end/89015
9371         * tree-nested.c (convert_nonlocal_reference_stmt,
9372         convert_local_reference_stmt, convert_tramp_reference_stmt,
9373         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9374         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9375         or GIMPLE_OMP_TASK.
9376
9377         PR tree-optimization/89027
9378         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9379         for "omp simd array" variables.
9380
9381 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9382
9383         PR target/88469
9384         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9385         force the alignment of m_val.
9386
9387 2019-01-24  Richard Biener  <rguenther@suse.de>
9388
9389         PR lto/87187
9390         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9391         When in "legacy" debug mode make sure to reset self-origins.
9392
9393 2019-01-24  Martin Liska  <mliska@suse.cz>
9394
9395         PR gcov-profile/88994
9396         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9397         result will be always smaller or equal to the original.
9398         * gcov.c (mangle_name): Fix else branch where we should
9399         also copy to PTR and shift the pointer.
9400
9401 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9402
9403         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9404         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9405
9406 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9407
9408         * common/config/i386/i386-common.c
9409         (OPTION_MASK_ISA_ENQCMD_SET,
9410         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9411         (ix86_handle_option): Handle -menqcmd.
9412         * config.gcc (enqcmdintrin.h): New header file.
9413         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9414         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9415         -menqcmd.
9416         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9417         function type.
9418         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9419         __builtin_ia32_enqcmds): New builtins.
9420         * config/i386/i386-c.c (__ENQCMD__): New macro.
9421         * config/i386/i386-option.c (ix86_target_string): Add
9422         -menqcmd.
9423         (ix86_valid_target_attribute_inner_p): Likewise.
9424         * config/i386/i386-expand.c
9425         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9426         IX86_BUILTIN_ENQCMDS.
9427         * config/i386/i386.h (TARGET_ENQCMD): New.
9428         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9429         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9430         (movdir64b_<mode>): Parameterize to enable share expansion code
9431         with ENQCMD in function ix86_expand_builtin.
9432         * config/i386/i386.opt: Add -menqcmd.
9433         * config/i386/immintrin.h: Include enqcmdintrin.h.
9434         * config/i386/enqcmdintrin.h: New intrinsic file.
9435         * doc/invoke.texi: Add -menqcmd.
9436
9437 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9438             Steve Ellcey <sellcey@marvell.com>
9439
9440         PR target/85711
9441         * recog.c (address_operand): Return false on wrong mode for address.
9442         (constrain_operands): Check for mode with 'p' constraint.
9443
9444 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9445
9446         PR target/88998
9447         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9448         Disparage MMX alternative.
9449         (sse2_cvtpd2pi): Ditto.
9450         (sse2_cvttpd2pi): Ditto.
9451
9452 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9453
9454         PR driver/89014
9455         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9456         use-after-free of the result of
9457         aarch64_get_extension_string_for_isa_flags.
9458
9459 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9460
9461         PR c/44715
9462         * doc/extend.texi: Document break and continue behavior in
9463         statement expressions.
9464
9465 2019-01-23  Richard Biener  <rguenther@suse.de>
9466
9467         PR tree-optimization/89008
9468         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9469         not leave another stray operand.
9470
9471 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9472
9473         * BASE-VER: Bump to 9.0.1.
9474
9475 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9476
9477         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9478         thunk that returns by reference, use the type of the return object
9479         of the thunk instead of that of the alias to build the dereference.
9480
9481 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9482
9483         * config/arc/atomic.md: Add operand to DMB instruction.
9484
9485 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9486
9487         PR tree-optimization/88964
9488         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9489         build_zero_cst instead of build_int_cst.  Return false for loop
9490         invariants which honor signed zeros.
9491
9492 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9493
9494         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9495
9496 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9497
9498         PR target/88965
9499         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9500         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9501         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9502
9503         PR middle-end/88968
9504         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9505         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9506
9507         PR target/87064
9508         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9509         Disable for little endian.
9510
9511 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9512
9513         PR target/88469
9514         * config/arm/arm.c (arm_needs_double_word_align): Check
9515         DECL_BIT_FIELD_TYPE.
9516
9517 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9518             H.J. Lu  <hongjiu.lu@intel.com>
9519
9520         PR target/88909
9521         * config/i386/i386-builtin.def: Add mask2 to all builtin
9522         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9523         SPECIAL_ARGS.
9524         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9525         (BDESC_FIRST): Likewise.
9526         (define_builtin): Add an argument for mask2.  Updated to handle
9527         both ix86_isa_flags and ix86_isa_flags2.
9528         (define_builtin_const): Likewise.
9529         (define_builtin_pure): Likewise.
9530         (define_builtin2): Deleted.
9531         (define_builtin_const2): Likewise.
9532         (builtin_description): Add a member, mask2.
9533         (bdesc_*): Add mask2 to builtin initializations.
9534         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9535         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9536         support.
9537         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9538
9539 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9540
9541         PR target/88954
9542         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9543         noplt attribute.
9544
9545 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9546
9547         PR target/88469
9548         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9549         alignment is dominated by a bitfield with 64-bit aligned base type.
9550         (arm_function_arg): Emit a warning if the alignment has changed since
9551         earlier GCC releases.
9552         (arm_function_arg_boundary): Likewise.
9553         (arm_setup_incoming_varargs): Likewise.
9554
9555 2019-01-22  Richard Biener  <rguenther@suse.de>
9556
9557         PR tree-optimization/88862
9558         * graphite-scop-detection.c
9559         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9560
9561 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9562
9563         * doc/extend.tex (AMD GCN Function Attributes): New section.
9564         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9565         * doc/invoke.texi (AMD GCN Options): New section.
9566         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9567
9568 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9569
9570         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9571         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9572
9573 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9574
9575         PR tree-optimization/88044
9576         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9577         is false in the first iteration, but !every_iteration, return false
9578         instead of true with niter->niter zero.
9579
9580         PR rtl-optimization/88904
9581         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9582         any nonequal registers before processing BB_END (b).
9583
9584         PR target/88905
9585         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9586         GET_MODE (op0).
9587         (expand_binop_directly, expand_doubleword_clz,
9588         expand_doubleword_popcount, expand_ctz, expand_ffs,
9589         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9590
9591         PR rtl-optimization/49429
9592         PR target/49454
9593         PR rtl-optimization/86334
9594         PR target/88906
9595         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9596         addressable from here...
9597         (emit_block_op_via_libcall): ... to here.
9598
9599 2019-01-22  Richard Biener  <rguenther@suse.de>
9600
9601         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9602         auto_vec for cost vector to fix memleak.
9603         (vectorize_fold_left_reduction): Properly gather SLP defs.
9604         (vectorizable_comparison): Do not swap operands to properly
9605         gather SLP defs.
9606
9607 2019-01-22  Alan Modra  <amodra@gmail.com>
9608
9609         PR target/88614
9610         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9611         stays a reg.  Allow a const_int.
9612         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9613         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9614         (IS_NOMARK_TLSGETADDR): Define.
9615         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9616         (rs6000_output_tlsargs): New function.
9617         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9618         __tls_get_addr call takes an arg.
9619         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9620         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9621         delete split..
9622         (call_value_nonlocal_sysv): ..or here, delete split.
9623         (tls_gdld_nomark): Delete.
9624         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9625         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9626         (call_value_nonlocal_sysv): Likewise.
9627         (call_value_nonlocal_sysv_secure): Likewise.
9628         (call_value_nonlocal_aix): Likewise.
9629         (call_value_indirect_aix): Likewise.
9630         (call_value_indirect_elfv2): Likewise.
9631         (call_value_local32, call_value_local64): Disable for no-mark tls.
9632         (call_value_local_aix): Likewise.
9633
9634 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9635
9636         PR target/88938
9637         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9638         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9639
9640 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9641
9642         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9643         string contents as hash_map keys.
9644
9645 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9646
9647         PR c/88928
9648         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9649         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9650         instead of TYPE_ALIGN.
9651         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9652         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9653         pointer from TYPE_STUB_DECL.
9654
9655 2019-01-21  Richard Biener  <rguenther@suse.de>
9656
9657         PR tree-optimization/88934
9658         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9659         at the possibly non-constant operand.
9660         (vect_get_constant_vectors): Adjust.
9661
9662 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9663
9664         PR target/71659
9665         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9666         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9667         instead of _X86INTRIN_H_INCLUDED.
9668         * onfig/i386/clwbintrin.h: Likewise.
9669         * config/i386/pkuintrin.h: Likewise.
9670         * config/i386/prfchwintrin.h: Likewise.
9671         * config/i386/rdseedintrin.h: Likewise.
9672         * config/i386/wbnoinvdintrin.h: Likewise.
9673         * config/i386/xsavecintrin.h: Likewise.
9674         * config/i386/xsavesintrin.h: Likewise.
9675         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9676         * config/i386/xsaveintrin.h: Likewise.
9677         * config/i386/xsaveoptintrin.h: Likewise.
9678         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9679         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9680         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9681         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9682         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9683         * config/i386/immintrin.h: Here.
9684
9685 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9686
9687         PR ipa/87615
9688         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9689         with aa_walk_budget.
9690         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9691         aa_walk_budget_p parameter.
9692         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9693         walk.  Updated all callers.
9694         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9695         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9696         unmodified_parm.
9697         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9698         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9699         and to unmodified_parm.
9700         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9701         info, updated call to will_be_nonconstant_expr_predicate.
9702         (param_change_prob): New parameter fbi, limit AA walking.
9703         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9704         calls to various above functions.
9705         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9706         parameter.  Use it to limit AA walking.
9707         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9708         fbi, limit AA walk.
9709         (detect_type_change): New parameter fbi, pass it on to
9710         detect_type_change_from_memory_writes.
9711         (detect_type_change_ssa): Likewise.
9712         (aa_overwalked): Removed.
9713         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9714         accordingly, adjust to the neew AA limiting scheme.
9715         (parm_ref_data_preserved_p): Likewise.
9716         (ipa_compute_jump_functions_for_edge): Adjust call to
9717         get_dynamic_type.
9718         (ipa_analyze_call_uses): Likewise.
9719         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9720         (ipa_analyze_node): Initialize aa_walk_budget.
9721         (ipcp_transform_function): Likewise.
9722         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9723         to get_dynamic_type.
9724
9725 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9726
9727         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9728         outside of #if CHECKING_P code.
9729
9730 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9731
9732         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9733         New function, split out from...
9734         (loop_versioning::analyze_stride): ...here.
9735         (loop_versioning::find_per_loop_multiplication): Use gassign.
9736         (loop_versioning::analyze_term_using_scevs): Return a success code.
9737         (loop_versioning::analyze_arbitrary_term): New function.
9738         (loop_versioning::analyze_address_fragment): Use
9739         analyze_arbitrary_term if all else fails.
9740
9741 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9742
9743         PR target/88892
9744         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9745         operands.
9746
9747 2019-01-18  Richard Biener  <rguenther@suse.de>
9748
9749         PR tree-optimization/88903
9750         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9751         scalar stmts a SLP shift amount is composed of when detecting
9752         shifts by scalars.
9753
9754 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9755
9756         PR target/88799
9757         * config/arm/arm-cpus.in (mp): New feature.
9758         (sec): New feature.
9759         (fgroup ARMv7ve): Add mp and sec features.
9760         (arch armv7-a): Add options to allow mp and sec extensions.
9761         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9762         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9763         extenstions to the base architecture.
9764         (cpu cortex-a8): Add sec extension to the base architecture.
9765         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9766         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9767         variants down to the base v7-a varaint.
9768         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9769         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9770         of permitted extensions for -march=armv7-a and for
9771         -mcpu=generic-armv7-a.
9772
9773 2019-01-18  Martin Liska  <mliska@suse.cz>
9774
9775         * params.def: Fix comment.
9776         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9777         name.
9778         (gimple_gen_ic_func_profiler): Likewise.
9779
9780 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9781
9782         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9783         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9784         and put in error checks for stack protector guard options.
9785         (aarch64_stack_protect_guard): New.
9786         (TARGET_STACK_PROTECT_GUARD): Define.
9787         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9788         (reg_stack_protect_address<mode>): New.
9789         (stack_protect_set): Adjust for SSP_GLOBAL.
9790         (stack_protect_test): Likewise.
9791         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9792         (-mstack-protector-guard): Likewise.
9793         (-mstack-protector-guard-offset): Likewise.
9794
9795 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9796
9797         PR tree-optimization/86214
9798         * tree-inline.h (struct copy_body_data): Add
9799         add_clobbers_to_eh_landing_pads member.
9800         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9801         (copy_edges_for_bb): Call it if EH edge destination is <
9802         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9803         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9804         if flag_stack_reuse != SR_NONE and clear it afterwards.
9805
9806 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9807
9808         PR target/85596
9809         * doc/install.texi (with-multilib-list): Document for aarch64.
9810
9811 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9812
9813         PR target/88734
9814         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9815         (("..."))) with ("...").
9816
9817 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9818
9819         * doc/extend.texi (Built-in Functions for Memory Model Aware
9820         Atomic Operations): Document atomic fetch and nand.
9821
9822 2019-01-18  Martin Liska  <mliska@suse.cz>
9823             Richard Biener  <rguenther@suse.de>
9824
9825         PR middle-end/88587
9826         * cgraph.h (create_version_clone_with_body): Add new argument
9827         with attributes.
9828         * cgraphclones.c (cgraph_node::create_version_clone): Add
9829         DECL_ATTRIBUTES to a newly created decl.  And call
9830         valid_attribute_p so that proper cl_target_optimization_node
9831         is set for the newly created declaration.
9832         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9833         for declaration.
9834         (expand_target_clones): Do not call valid_attribute_p, it must
9835         be already done.
9836         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9837         vector types.
9838
9839 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9840
9841         PR target/88734
9842         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9843         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9844         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9845
9846 2019-01-17  Martin Sebor  <msebor@redhat.com>
9847
9848         PR middle-end/88273
9849         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9850         Handle anti-ranges the same as no range at all.
9851
9852 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9853
9854         * config/aarch64/aarch64.c (cgraph.h): New include.
9855         (intl.h): New include.
9856         (supported_simd_type): New function.
9857         (currently_supported_simd_type): Ditto.
9858         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9859         (aarch64_simd_clone_adjust): Ditto.
9860         (aarch64_simd_clone_usable): Ditto.
9861         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9862         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9863         (TARGET_SIMD_CLONE_USABLE): Ditto.
9864         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9865         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9866         call.
9867
9868 2019-01-17  Martin Sebor  <msebor@redhat.com>
9869
9870         PR tree-optimization/88800
9871         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9872         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9873         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9874         redundant argument.  Add new argument and issue diagnostics under
9875         its control.  Detect out-of-bounds access even with warnings
9876         disabled.
9877         (check_bounds_or_overlap): Change return type.  Add argument.
9878         (wrestrict_dom_walker::check_call): Adjust.
9879         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9880         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9881         check_bounds_or_overlap's return value.
9882         (handle_builtin_stxncpy): Same.
9883         (handle_builtin_strcat): Same.
9884
9885 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9886             Kwok Cheung Yeung  <kcy@codesourcery.com>
9887             Julian Brown  <julian@codesourcery.com>
9888             Tom de Vries  <tom@codesourcery.com>
9889
9890         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9891
9892 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9893
9894         * doc/sourcebuild.texi: Document dg-require-effective-target
9895         llvm_binutils and offload_gcn.
9896
9897 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9898             Kwok Cheung Yeung  <kcy@codesourcery.com>
9899             Julian Brown  <julian@codesourcery.com>
9900             Tom de Vries  <tom@codesourcery.com>
9901
9902         * doc/sourcebuild.texi: Document dg-required-effective-target
9903         exceptions.
9904
9905 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9906             Kwok Cheung Yeung  <kcy@codesourcery.com>
9907             Julian Brown  <julian@codesourcery.com>
9908             Tom de Vries  <tom@codesourcery.com>
9909             Jan Hubicka  <hubicka@ucw.cz>
9910             Martin Jambor  <mjambor@suse.cz>
9911
9912         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9913         * configure.ac: Check for dlopen.
9914         * configure: Regenerate.
9915
9916 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9917             Kwok Cheung Yeung  <kcy@codesourcery.com>
9918             Julian Brown  <julian@codesourcery.com>
9919             Tom de Vries  <tom@codesourcery.com>
9920             Jan Hubicka  <hubicka@ucw.cz>
9921             Martin Jambor  <mjambor@suse.cz>
9922
9923         * common/config/gcn/gcn-common.c: New file.
9924         * config/gcn/driver-gcn.c: New file.
9925         * config/gcn/gcn-builtins.def: New file.
9926         * config/gcn/gcn-hsa.h: New file.
9927         * config/gcn/gcn-modes.def: New file.
9928         * config/gcn/gcn-opts.h: New file.
9929         * config/gcn/gcn-passes.def: New file.
9930         * config/gcn/gcn-protos.h: New file.
9931         * config/gcn/gcn-run.c: New file.
9932         * config/gcn/gcn-tree.c: New file.
9933         * config/gcn/gcn.c: New file.
9934         * config/gcn/gcn.h: New file.
9935         * config/gcn/gcn.opt: New file.
9936         * config/gcn/t-gcn-hsa: New file.
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         * config/gcn/constraints.md: New file.
9946         * config/gcn/gcn-valu.md: New file.
9947         * config/gcn/gcn.md: New file.
9948         * config/gcn/predicates.md: New file.
9949
9950 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9951
9952         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9953         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9954         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9955         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9956
9957 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9958
9959         PR target/88851
9960         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9961         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9962         it and document registers.
9963
9964 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9965
9966         * config/aarch64/aarch64.c (ares_tunings): Define.
9967         * config/aarch64/aarch64-cores.def (ares): Use the above.
9968
9969 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9970
9971         PR target/88794
9972         Revert:
9973         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9974
9975         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
9976         (_mm512_fixupimm_round_pd): Update parameters and builtin.
9977         (_mm512_maskz_fixupimm_round_pd): Ditto.
9978         (_mm512_fixupimm_round_ps): Ditto.
9979         (_mm512_maskz_fixupimm_round_ps): Ditto.
9980         (_mm_fixupimm_round_sd): Ditto.
9981         (_mm_maskz_fixupimm_round_sd): Ditto.
9982         (_mm_fixupimm_round_ss): Ditto.
9983         (_mm_maskz_fixupimm_round_ss): Ditto.
9984         (_mm512_fixupimm_pd): Ditto.
9985         (_mm512_maskz_fixupimm_pd): Ditto.
9986         (_mm512_fixupimm_ps): Ditto.
9987         (_mm512_maskz_fixupimm_ps): Ditto.
9988         (_mm_fixupimm_sd): Ditto.
9989         (_mm_maskz_fixupimm_sd): Ditto.
9990         (_mm_fixupimm_ss): Ditto.
9991         (_mm_maskz_fixupimm_ss): Ditto.
9992         (_mm512_mask_fixupimm_round_pd): Update builtin.
9993         (_mm512_mask_fixupimm_round_ps): Ditto.
9994         (_mm_mask_fixupimm_round_sd): Ditto.
9995         (_mm_mask_fixupimm_round_ss): Ditto.
9996         (_mm512_mask_fixupimm_pd): Ditto.
9997         (_mm512_mask_fixupimm_ps): Ditto.
9998         (_mm_mask_fixupimm_sd): Ditto.
9999         (_mm_mask_fixupimm_ss): Ditto.
10000         * config/i386/avx512vlintrin.h:
10001         (_mm256_fixupimm_pd): Update parameters and builtin.
10002         (_mm256_maskz_fixupimm_pd): Ditto.
10003         (_mm256_fixupimm_ps): Ditto.
10004         (_mm256_maskz_fixupimm_ps): Ditto.
10005         (_mm_fixupimm_pd): Ditto.
10006         (_mm_maskz_fixupimm_pd): Ditto.
10007         (_mm_fixupimm_ps): Ditto.
10008         (_mm_maskz_fixupimm_ps): Ditto.
10009         (_mm256_mask_fixupimm_pd): Update builtin.
10010         (_mm256_mask_fixupimm_ps): Ditto.
10011         (_mm_mask_fixupimm_pd): Ditto.
10012         (_mm_mask_fixupimm_ps): Ditto.
10013         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
10014         * config/i386/i386-builtin.def: Update builtin definitions.
10015         * config/i386/i386.c: Handle new builtin types and remove useless ones.
10016         * config/i386/sse.md: Update VFIXUPIMM* patterns.
10017         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10018         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10019         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
10020         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10021         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10022         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
10023         * config/i386/subst.md:
10024         (round_saeonly_sd_mask_operand4): Add new subst_attr.
10025         (round_saeonly_sd_mask_op4): Ditto.
10026         (round_saeonly_expand_operand5): Ditto.
10027         (round_saeonly_expand): Update.
10028
10029 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10030
10031         PR target/88794
10032         Revert:
10033         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
10034
10035         * config/i386/sse.md: Combine VFIXUPIMM* patterns
10036         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10037         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10038         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
10039         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10040         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10041         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
10042
10043 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10044
10045         PR target/88794
10046         Revert:
10047         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
10048
10049         PR target/88489
10050         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
10051         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
10052         instead of UNSPEC_FIXUPIMM.
10053
10054 2019-01-17  Richard Biener  <rguenther@suse.de>
10055
10056         PR lto/86736
10057         * dwarf2out.c (want_pubnames): Never generate pubnames sections
10058         and friends for the LTO part of debug info.
10059
10060 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10061
10062         PR tree-optimization/86214
10063         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
10064         if x == y.
10065
10066         PR rtl-optimization/88870
10067         * dce.c (deletable_insn_p): Never delete const/pure calls that can
10068         throw if we can't alter the cfg or delete dead exceptions.
10069         (mark_insn): Don't call find_call_stack_args for such calls.
10070
10071 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
10072
10073         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
10074         prototypes for vec_st.
10075         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
10076         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
10077         mainly on signed/unsigned long long and double.
10078
10079 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
10080
10081         PR target/88861
10082         * combine.c (delete_noop_moves): Convert to "bool" return,
10083         returning true if any edges are eliminated.
10084         (combine_instructions): Also return true if delete_noop_moves
10085         returns true.
10086
10087 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10088
10089         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
10090         correct max nunits for endian swap.
10091         (aarch64_expand_fcmla_builtin): Correct subreg code.
10092         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10093         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
10094         lane endianness.
10095
10096 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
10097
10098         * config/alpha/alpha.c (alpha_gimplify_va_arg):
10099         Handle split indirect COMPLEX_TYPE arguments.
10100
10101 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
10102
10103         PR target/86891
10104         * config/aarch64/aarch64-modes.def: Add comment about how the carry
10105         bit is set by add and compare.
10106         (CC_ADC): New CC_MODE.
10107         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
10108         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
10109         comparison.  Add detection for CC_ADCmode.
10110         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
10111         CC_ADCmode.
10112         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
10113         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
10114         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
10115         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
10116         to eliminate the need for zero-extending the operands.
10117         (add<mode>3_compareC_imm): Delete.  Merge into ...
10118         (add<mode>3_compareC): ... this.  Restructure the comparison to
10119         eliminate the need for zero-extending the operands.
10120         (add<mode>3_carryin): Use LTU for the overflow detection.
10121         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
10122         Reexpress comparison for overflow.
10123         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
10124         (add<mode>3_carryinC): Likewise.
10125         (add<mode>3_carryinV): Use LTU for carry between partials.
10126         * config/aarch64/predicates.md (aarch64_carry_operation): Update
10127         handling of CC_Cmode and add CC_ADCmode.
10128         (aarch64_borrow_operation): Likewise.
10129
10130 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10131
10132         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
10133         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
10134         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
10135         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
10136
10137 2019-01-16  Martin Liska  <mliska@suse.cz>
10138
10139         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
10140         for GCC driver.
10141         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
10142         a new argument.
10143         * gcc.c (add_sysrooted_hdrs_prefix): New function.
10144         (path_prefix_reset): Move up in the source file.
10145         (find_fortran_preinclude_file): Make complex search for the
10146         fortran header files.
10147
10148 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
10149
10150         * godump.c (go_output_typedef): When outputting a typedef, refer
10151         to the underlying type by its name and not its structure.
10152
10153 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
10154
10155         PR c++/88795
10156         * tree.c (build_function_type): Assert that arg_types is not
10157         error_mark_node.
10158
10159 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10160
10161         PR inline-asm/52813
10162         * doc/extend.texi: Document that listing the stack pointer in the
10163         clobber list of an asm is a deprecated feature.
10164         * common.opt (Wdeprecated): Moved from c-family/c.opt.
10165         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
10166         warning instead of an error for clobbers of the stack pointer.
10167         Add a note explaining why.
10168
10169 2019-01-15  Richard Biener  <rguenther@suse.de>
10170
10171         PR debug/88046
10172         * dwarf2out.c (gen_member_die): Do not generate inheritance
10173         DIEs late.
10174
10175 2019-01-15  Richard Biener  <rguenther@suse.de>
10176
10177         PR tree-optimization/88855
10178         * tree-if-conv.c (combine_blocks): Collect
10179         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10180
10181 2019-01-15  Tom de Vries  <tdevries@suse.de>
10182
10183         PR target/80547
10184         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10185         lhs == NULL_TREE for gang-level reduction.
10186
10187 2019-01-15  Richard Biener  <rguenther@suse.de>
10188             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10189
10190         PR ipa/88788
10191         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10192         return true if SSA_NAME is already marked in visited bitmap.
10193         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10194
10195 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10196
10197         PR tree-optimization/88775
10198         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10199         equal == 0 equality pointer comparisons some more if compared in
10200         integral types and either one points to an automatic var and the
10201         other to a global, or we can prove at least one points to the middle
10202         or both point to start or both point to end.
10203
10204 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10205
10206         * Makefile.in: Lower autofdo sampling rate by 10x.
10207         * Makefile.tpl: Dito.
10208
10209 2019-01-14  Tom Honermann  <tom@honermann.net>
10210
10211         * defaults.h: Define CHAR8_TYPE.
10212
10213 2019-01-14  Martin Sebor  <msebor@redhat.com>
10214
10215         PR target/88638
10216         * doc/extend.texi (Darwin Format Checks): Clarify.
10217
10218 2019-01-14  Richard Biener  <rguenther@suse.de>
10219
10220         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10221         whether we are in (simplify ...) or (match ...) context.
10222
10223 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10224
10225         PR rtl-optimization/88796
10226         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10227         * cfgexpand.c (stack_protect_prologue): Initialize
10228         crtl->stack_protect_guard_decl.
10229         * function.c (stack_protect_epilogue): Use it instead of calling
10230         targetm.stack_protect_guard again.
10231         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10232         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10233         crtl->stack_protect_guard_decl.
10234         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10235         on the returned MEM_EXPR.
10236
10237 2019-01-12  Tom de Vries  <tdevries@suse.de>
10238
10239         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10240         vector length using -fopenacc-dim.
10241
10242 2019-01-12  Tom de Vries  <tdevries@suse.de>
10243
10244         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10245         lengths into account.
10246
10247 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10248
10249         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10250         (TARGET_CAN_SPLIT_STACK): Define.
10251         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10252
10253 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10254
10255         * params.def (inline-unit-growth): Set to 40.
10256
10257 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10258
10259         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10260
10261 2019-01-12  Tom de Vries  <tdevries@suse.de>
10262
10263         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10264         region calling vector-partitionable routine, set default_vector_length
10265         to WARP_SIZE.
10266
10267 2019-01-12  Tom de Vries  <tdevries@suse.de>
10268
10269         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10270         variable default_vector_length.
10271
10272 2019-01-12  Tom de Vries  <tdevries@suse.de>
10273
10274         PR middle-end/88703
10275         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10276         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10277         dimensions limits.
10278
10279 2019-01-12  Tom de Vries  <tdevries@suse.de>
10280
10281         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10282         (nvptx_goacc_validate_dims): Add used parameter.
10283         * doc/tm.texi: Regenerate.
10284         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10285         argument to call to targetm.goacc.validate_dims.
10286         (default_goacc_validate_dims): Add used
10287         parameter.
10288         * target.def (validate_dims): Add used parameter in DEFHOOK.
10289         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10290
10291 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10292
10293         PR middle-end/85956
10294         PR lto/88733
10295         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10296         field.
10297         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10298         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10299         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10300         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10301
10302 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10303
10304         PR rtl-optimization/87305
10305         * lra-assigns.c
10306         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10307         for little endian pseudos used as paradoxical subreg.
10308
10309 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10310
10311         PR tree-optimization/88693
10312         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10313         for STRING_CSTs that don't contain any NUL characters in the first
10314         TREE_STRING_LENGTH bytes.
10315
10316 2019-01-11  Alan Modra  <amodra@gmail.com>
10317
10318         PR 88777
10319         PR 88614
10320         * genattrtab.c (min_fn): Don't translate values.
10321         (min_attr_value): Return INT_MAX when the value can't be calculated.
10322         Return minimum among any values that can be calculated.
10323         (max_attr_value): Adjust.
10324
10325 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10326
10327         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10328
10329 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10330
10331         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10332         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10333         (aarch64_return_call_with_max_clobbers): New function.
10334         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10335         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10336         argument.
10337         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10338         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10339         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10340         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10341         * cselib.c (cselib_process_insn): Add argument to
10342         targetm.hard_regno_call_part_clobbered call.
10343         * ira-conflicts.c (ira_build_conflicts): Ditto.
10344         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10345         * lra-constraints.c (inherit_reload_reg): Ditto.
10346         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10347         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10348         argument.  Call targetm.return_call_with_max_clobbers.
10349         Add argument to targetm.hard_regno_call_part_clobbered call.
10350         (calls_have_same_clobbers_p): New function.
10351         (process_bb_lives): Add call_insn and last_call_insn variables.
10352         Pass call_insn to check_pseudos_live_through_calls.
10353         Modify if stmt to check targetm.return_call_with_max_clobbers.
10354         Update setting of flush variable.
10355         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10356         to false.
10357         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10358         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10359         targetm.hard_regno_call_part_clobbered call.
10360         * reginfo.c (choose_hard_reg_mode): Ditto.
10361         * regrename.c (check_new_reg_p): Ditto.
10362         * reload.c (find_equiv_reg): Ditto.
10363         * reload1.c (emit_reload_insns): Ditto.
10364         * sched-deps.c (deps_analyze_insn): Ditto.
10365         * sel-sched.c (init_regs_for_mode): Ditto.
10366         (mark_unavailable_hard_regs): Ditto.
10367         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10368         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10369         (return_call_with_max_clobbers): New target function.
10370         * doc/tm.texi: Regenerate.
10371         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10372         * hooks.c (hook_bool_uint_mode_false): Change to
10373         hook_bool_insn_uint_mode_false.
10374         * hooks.h (hook_bool_uint_mode_false): Ditto.
10375
10376 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10377
10378         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10379         (aarch64_remove_extra_call_preserved_regs): New function.
10380         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10381         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10382         * doc/tm.texi: Regenerate.
10383         * final.c (get_call_reg_set_usage): Call new hook.
10384         * target.def (remove_extra_call_preserved_regs): New hook.
10385         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10386         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10387
10388 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10389
10390         PR bootstrap/88714
10391         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10392         inside of pass_combine_1 dump rather than pass_profile_1.
10393
10394 2019-01-11  Tom de Vries  <tdevries@suse.de>
10395
10396         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10397         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10398         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10399         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10400         num_workers 16.
10401
10402 2019-01-11  Tom de Vries  <tdevries@suse.de>
10403
10404         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10405
10406 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10407
10408         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10409         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10410         sse2_cvtsi2sd): Add {l}.
10411         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10412         syntax.
10413
10414 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10415
10416         PR target/88785
10417         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10418         define_expand.
10419         (*float<floatunssuffix>v2div2sf2): New define_insn.
10420         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10421         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10422         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10423         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10424         match_operands with "const0_operand" "C".
10425
10426 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10427
10428         * config/aarch64/aarch64-builtins.c
10429         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10430         (aarch64_init_simd_builtins): ...Here
10431
10432 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10433
10434         PR rtl-optimization/87305
10435         * lra-assigns.c
10436         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10437         allocation for big endian pseudos used as paradoxical subregs and
10438         spill them if it is wrong.
10439         * lra-constraints.c (lra_constraints): Add a comment.
10440
10441 2019-01-10  Richard Biener  <rguenther@suse.de>
10442
10443         PR tree-optimization/88792
10444         * tree-ssa-pre.c (get_representative_for): Do not return a
10445         value-number here.
10446
10447 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10448
10449         PR middle-end/84877
10450         PR bootstrap/88450
10451         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10452         (assign_parm_setup_block): Do the argument slot realignment here
10453         instead.
10454
10455 2019-01-10  Stefan Agner  <stefan@agner.ch>
10456
10457         PR target/88648
10458         * config/arm/arm.c (arm_option_override_internal): Force
10459         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10460
10461 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10462
10463         PR c/88568
10464         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10465         DECL_EXTERNAL.
10466
10467 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10468
10469         * config/arm/arm-builtins.c
10470         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10471         (MAC_LANE_PAIR_QUALIFIERS): New.
10472         (arm_expand_builtin_args): Use it.
10473         (arm_expand_builtin_1): Likewise.
10474         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10475         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10476         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10477         * config/arm/arm_neon.h:
10478         (vcadd_rot90_f16): New.
10479         (vcaddq_rot90_f16): New.
10480         (vcadd_rot270_f16): New.
10481         (vcaddq_rot270_f16): New.
10482         (vcmla_f16): New.
10483         (vcmlaq_f16): New.
10484         (vcmla_lane_f16): New.
10485         (vcmla_laneq_f16): New.
10486         (vcmlaq_lane_f16): New.
10487         (vcmlaq_laneq_f16): New.
10488         (vcmla_rot90_f16): New.
10489         (vcmlaq_rot90_f16): New.
10490         (vcmla_rot90_lane_f16): New.
10491         (vcmla_rot90_laneq_f16): New.
10492         (vcmlaq_rot90_lane_f16): New.
10493         (vcmlaq_rot90_laneq_f16): New.
10494         (vcmla_rot180_f16): New.
10495         (vcmlaq_rot180_f16): New.
10496         (vcmla_rot180_lane_f16): New.
10497         (vcmla_rot180_laneq_f16): New.
10498         (vcmlaq_rot180_lane_f16): New.
10499         (vcmlaq_rot180_laneq_f16): New.
10500         (vcmla_rot270_f16): New.
10501         (vcmlaq_rot270_f16): New.
10502         (vcmla_rot270_lane_f16): New.
10503         (vcmla_rot270_laneq_f16): New.
10504         (vcmlaq_rot270_lane_f16): New.
10505         (vcmlaq_rot270_laneq_f16): New.
10506         (vcadd_rot90_f32): New.
10507         (vcaddq_rot90_f32): New.
10508         (vcadd_rot270_f32): New.
10509         (vcaddq_rot270_f32): New.
10510         (vcmla_f32): New.
10511         (vcmlaq_f32): New.
10512         (vcmla_lane_f32): New.
10513         (vcmla_laneq_f32): New.
10514         (vcmlaq_lane_f32): New.
10515         (vcmlaq_laneq_f32): New.
10516         (vcmla_rot90_f32): New.
10517         (vcmlaq_rot90_f32): New.
10518         (vcmla_rot90_lane_f32): New.
10519         (vcmla_rot90_laneq_f32): New.
10520         (vcmlaq_rot90_lane_f32): New.
10521         (vcmlaq_rot90_laneq_f32): New.
10522         (vcmla_rot180_f32): New.
10523         (vcmlaq_rot180_f32): New.
10524         (vcmla_rot180_lane_f32): New.
10525         (vcmla_rot180_laneq_f32): New.
10526         (vcmlaq_rot180_lane_f32): New.
10527         (vcmlaq_rot180_laneq_f32): New.
10528         (vcmla_rot270_f32): New.
10529         (vcmlaq_rot270_f32): New.
10530         (vcmla_rot270_lane_f32): New.
10531         (vcmla_rot270_laneq_f32): New.
10532         (vcmlaq_rot270_lane_f32): New.
10533         (vcmlaq_rot270_laneq_f32): New.
10534         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10535         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10536         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10537         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10538         vcmlaq_lane270): New.
10539         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10540         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10541         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10542         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10543         (arm_option_reconfigure_globals): Use them.
10544         * config/arm/iterators.md (VDF, VQ_HSF): New.
10545         (VCADD, VCMLA): New.
10546         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10547         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10548         New.
10549         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10550         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10551
10552 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10553
10554         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10555         Add qualifier_lane_pair_index.
10556         (emit-rtl.h): Include.
10557         (TYPES_QUADOP_LANE_PAIR): New.
10558         (aarch64_simd_expand_args): Use it.
10559         (aarch64_simd_expand_builtin): Likewise.
10560         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10561         New.
10562         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10563         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10564         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10565         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10566         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10567         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10568         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10569         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10570         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10571         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10572         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10573         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10574         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10575         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10576         Add __ARM_FEATURE_COMPLEX.
10577         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10578         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10579         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10580         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10581         fcmlaq_lane270): New.
10582         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10583         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10584         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10585         * config/aarch64/arm_neon.h:
10586         (vcadd_rot90_f16): New.
10587         (vcaddq_rot90_f16): New.
10588         (vcadd_rot270_f16): New.
10589         (vcaddq_rot270_f16): New.
10590         (vcmla_f16): New.
10591         (vcmlaq_f16): New.
10592         (vcmla_lane_f16): New.
10593         (vcmla_laneq_f16): New.
10594         (vcmlaq_lane_f16): New.
10595         (vcmlaq_rot90_lane_f16): New.
10596         (vcmla_rot90_laneq_f16): New.
10597         (vcmla_rot90_lane_f16): New.
10598         (vcmlaq_rot90_f16): New.
10599         (vcmla_rot90_f16): New.
10600         (vcmlaq_laneq_f16): New.
10601         (vcmla_rot180_laneq_f16): New.
10602         (vcmla_rot180_lane_f16): New.
10603         (vcmlaq_rot180_f16): New.
10604         (vcmla_rot180_f16): New.
10605         (vcmlaq_rot90_laneq_f16): New.
10606         (vcmlaq_rot270_laneq_f16): New.
10607         (vcmlaq_rot270_lane_f16): New.
10608         (vcmla_rot270_laneq_f16): New.
10609         (vcmlaq_rot270_f16): New.
10610         (vcmla_rot270_f16): New.
10611         (vcmlaq_rot180_laneq_f16): New.
10612         (vcmlaq_rot180_lane_f16): New.
10613         (vcmla_rot270_lane_f16): New.
10614         (vcadd_rot90_f32): New.
10615         (vcaddq_rot90_f32): New.
10616         (vcaddq_rot90_f64): New.
10617         (vcadd_rot270_f32): New.
10618         (vcaddq_rot270_f32): New.
10619         (vcaddq_rot270_f64): New.
10620         (vcmla_f32): New.
10621         (vcmlaq_f32): New.
10622         (vcmlaq_f64): New.
10623         (vcmla_lane_f32): New.
10624         (vcmla_laneq_f32): New.
10625         (vcmlaq_lane_f32): New.
10626         (vcmlaq_laneq_f32): New.
10627         (vcmla_rot90_f32): New.
10628         (vcmlaq_rot90_f32): New.
10629         (vcmlaq_rot90_f64): New.
10630         (vcmla_rot90_lane_f32): New.
10631         (vcmla_rot90_laneq_f32): New.
10632         (vcmlaq_rot90_lane_f32): New.
10633         (vcmlaq_rot90_laneq_f32): New.
10634         (vcmla_rot180_f32): New.
10635         (vcmlaq_rot180_f32): New.
10636         (vcmlaq_rot180_f64): New.
10637         (vcmla_rot180_lane_f32): New.
10638         (vcmla_rot180_laneq_f32): New.
10639         (vcmlaq_rot180_lane_f32): New.
10640         (vcmlaq_rot180_laneq_f32): New.
10641         (vcmla_rot270_f32): New.
10642         (vcmlaq_rot270_f32): New.
10643         (vcmlaq_rot270_f64): New.
10644         (vcmla_rot270_lane_f32): New.
10645         (vcmla_rot270_laneq_f32): New.
10646         (vcmlaq_rot270_lane_f32): New.
10647         (vcmlaq_rot270_laneq_f32): New.
10648         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10649         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10650         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10651         (FCADD, FCMLA): New.
10652         (rot): New.
10653         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10654
10655 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10656
10657         PR other/16615
10658
10659         * config/pa/pa.c: Change "can not" to "cannot".
10660         * gimple-ssa-evrp-analyze.c: Likewise.
10661         * ipa-icf.c: Likewise.
10662         * ipa-polymorphic-call.c: Likewise.
10663         * ipa-pure-const.c: Likewise.
10664         * lra-constraints.c: Likewise.
10665         * lra-remat.c: Likewise.
10666         * reload1.c: Likewise.
10667         * reorg.c: Likewise.
10668         * tree-ssa-uninit.c: Likewise.
10669
10670 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10671
10672         PR other/16615
10673
10674         * Makefile.in: Mechanically replace "can not" with "cannot".
10675         * alias.c: Likewise.
10676         * builtins.c: Likewise.
10677         * calls.c: Likewise.
10678         * cgraph.c: Likewise.
10679         * cgraph.h: Likewise.
10680         * cgraphclones.c: Likewise.
10681         * cgraphunit.c: Likewise.
10682         * combine-stack-adj.c: Likewise.
10683         * combine.c: Likewise.
10684         * common/config/i386/i386-common.c: Likewise.
10685         * config/aarch64/aarch64.c: Likewise.
10686         * config/alpha/sync.md: Likewise.
10687         * config/arc/arc.c: Likewise.
10688         * config/arc/predicates.md: Likewise.
10689         * config/arm/arm-c.c: Likewise.
10690         * config/arm/arm.c: Likewise.
10691         * config/arm/arm.h: Likewise.
10692         * config/arm/arm.md: Likewise.
10693         * config/arm/cortex-r4f.md: Likewise.
10694         * config/csky/csky.c: Likewise.
10695         * config/csky/csky.h: Likewise.
10696         * config/darwin-f.c: Likewise.
10697         * config/epiphany/epiphany.md: Likewise.
10698         * config/i386/i386.c: Likewise.
10699         * config/i386/sol2.h: Likewise.
10700         * config/m68k/m68k.c: Likewise.
10701         * config/mcore/mcore.h: Likewise.
10702         * config/microblaze/microblaze.md: Likewise.
10703         * config/mips/20kc.md: Likewise.
10704         * config/mips/sb1.md: Likewise.
10705         * config/nds32/nds32.c: Likewise.
10706         * config/nds32/predicates.md: Likewise.
10707         * config/pa/pa.c: Likewise.
10708         * config/rs6000/e300c2c3.md: Likewise.
10709         * config/rs6000/rs6000.c: Likewise.
10710         * config/s390/s390.h: Likewise.
10711         * config/sh/sh.c: Likewise.
10712         * config/sh/sh.md: Likewise.
10713         * config/spu/vmx2spu.h: Likewise.
10714         * cprop.c: Likewise.
10715         * dbxout.c: Likewise.
10716         * df-scan.c: Likewise.
10717         * doc/cfg.texi: Likewise.
10718         * doc/extend.texi: Likewise.
10719         * doc/fragments.texi: Likewise.
10720         * doc/gty.texi: Likewise.
10721         * doc/invoke.texi: Likewise.
10722         * doc/lto.texi: Likewise.
10723         * doc/md.texi: Likewise.
10724         * doc/objc.texi: Likewise.
10725         * doc/rtl.texi: Likewise.
10726         * doc/tm.texi: Likewise.
10727         * dse.c: Likewise.
10728         * emit-rtl.c: Likewise.
10729         * emit-rtl.h: Likewise.
10730         * except.c: Likewise.
10731         * expmed.c: Likewise.
10732         * expr.c: Likewise.
10733         * fold-const.c: Likewise.
10734         * genautomata.c: Likewise.
10735         * gimple-fold.c: Likewise.
10736         * hard-reg-set.h: Likewise.
10737         * ifcvt.c: Likewise.
10738         * ipa-comdats.c: Likewise.
10739         * ipa-cp.c: Likewise.
10740         * ipa-devirt.c: Likewise.
10741         * ipa-fnsummary.c: Likewise.
10742         * ipa-icf.c: Likewise.
10743         * ipa-inline-transform.c: Likewise.
10744         * ipa-inline.c: Likewise.
10745         * ipa-polymorphic-call.c: Likewise.
10746         * ipa-profile.c: Likewise.
10747         * ipa-prop.c: Likewise.
10748         * ipa-pure-const.c: Likewise.
10749         * ipa-reference.c: Likewise.
10750         * ipa-split.c: Likewise.
10751         * ipa-visibility.c: Likewise.
10752         * ipa.c: Likewise.
10753         * ira-build.c: Likewise.
10754         * ira-color.c: Likewise.
10755         * ira-conflicts.c: Likewise.
10756         * ira-costs.c: Likewise.
10757         * ira-int.h: Likewise.
10758         * ira-lives.c: Likewise.
10759         * ira.c: Likewise.
10760         * ira.h: Likewise.
10761         * loop-invariant.c: Likewise.
10762         * loop-unroll.c: Likewise.
10763         * lower-subreg.c: Likewise.
10764         * lra-assigns.c: Likewise.
10765         * lra-constraints.c: Likewise.
10766         * lra-eliminations.c: Likewise.
10767         * lra-lives.c: Likewise.
10768         * lra-remat.c: Likewise.
10769         * lra-spills.c: Likewise.
10770         * lra.c: Likewise.
10771         * lto-cgraph.c: Likewise.
10772         * lto-streamer-out.c: Likewise.
10773         * postreload-gcse.c: Likewise.
10774         * predict.c: Likewise.
10775         * profile-count.h: Likewise.
10776         * profile.c: Likewise.
10777         * recog.c: Likewise.
10778         * ree.c: Likewise.
10779         * reload.c: Likewise.
10780         * reload1.c: Likewise.
10781         * reorg.c: Likewise.
10782         * resource.c: Likewise.
10783         * rtl.def: Likewise.
10784         * rtl.h: Likewise.
10785         * rtlanal.c: Likewise.
10786         * sched-deps.c: Likewise.
10787         * sched-ebb.c: Likewise.
10788         * sched-rgn.c: Likewise.
10789         * sel-sched-ir.c: Likewise.
10790         * sel-sched.c: Likewise.
10791         * shrink-wrap.c: Likewise.
10792         * simplify-rtx.c: Likewise.
10793         * symtab.c: Likewise.
10794         * target.def: Likewise.
10795         * toplev.c: Likewise.
10796         * tree-call-cdce.c: Likewise.
10797         * tree-cfg.c: Likewise.
10798         * tree-complex.c: Likewise.
10799         * tree-core.h: Likewise.
10800         * tree-eh.c: Likewise.
10801         * tree-inline.c: Likewise.
10802         * tree-loop-distribution.c: Likewise.
10803         * tree-nrv.c: Likewise.
10804         * tree-profile.c: Likewise.
10805         * tree-sra.c: Likewise.
10806         * tree-ssa-alias.c: Likewise.
10807         * tree-ssa-dce.c: Likewise.
10808         * tree-ssa-dom.c: Likewise.
10809         * tree-ssa-forwprop.c: Likewise.
10810         * tree-ssa-loop-im.c: Likewise.
10811         * tree-ssa-loop-ivcanon.c: Likewise.
10812         * tree-ssa-loop-ivopts.c: Likewise.
10813         * tree-ssa-loop-niter.c: Likewise.
10814         * tree-ssa-phionlycprop.c: Likewise.
10815         * tree-ssa-phiopt.c: Likewise.
10816         * tree-ssa-propagate.c: Likewise.
10817         * tree-ssa-threadedge.c: Likewise.
10818         * tree-ssa-threadupdate.c: Likewise.
10819         * tree-ssa-uninit.c: Likewise.
10820         * tree-ssanames.c: Likewise.
10821         * tree-streamer-out.c: Likewise.
10822         * tree.c: Likewise.
10823         * tree.h: Likewise.
10824         * vr-values.c: Likewise.
10825
10826 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10827
10828         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10829         (ix86_split_xorsign): Ditto.
10830         * config/i386/i386.c (ix86_expand_xorsign): New function.
10831         (ix86_split_xorsign): Ditto.
10832         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10833         (xorsign<mode>3): New expander.
10834         (xorsign<mode>3_1): New insn_and_split pattern.
10835         * config/i386/sse.md (xorsign<mode>3): New expander.
10836
10837 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10838
10839         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10840         (*tablejump_sp64): Likewise.
10841         (*tablejump<P:mode>): ...this.
10842         (*call_address_sp32): Merge into...
10843         (*call_address_sp64): Likewise.
10844         (*call_address<P:mode>): ...this.
10845         (*call_symbolic_sp32): Merge into...
10846         (*call_symbolic_sp64): Likewise.
10847         (*call_symbolic<P:mode>): ...this.
10848         (call_value): Remove constraint and add predicate.
10849         (*call_value_address_sp32): Merge into...
10850         (*call_value_address_sp64): Likewise.
10851         (*call_value_address<P:mode>): ...this.
10852         (*call_value_symbolic_sp32): Merge into...
10853         (*call_value_symbolic_sp64): Likewise.
10854         (*call_value_symbolic<P:mode>): ...this.
10855         (*sibcall_symbolic_sp32): Merge into...
10856         (*sibcall_symbolic_sp64): Likewise.
10857         (*sibcall_symbolic<P:mode>): ...this.
10858         (sibcall_value): Remove constraint and add predicate.
10859         (*sibcall_value_symbolic_sp32): Merge into...
10860         (*sibcall_value_symbolic_sp64): Likewise.
10861         (*sibcall_value_symbolic<P:mode>): ...this.
10862         (window_save): Minor tweak.
10863         (*branch_sp32): Merge into...
10864         (*branch_sp64): Likewise.
10865         (*branch<P:mode>): ...this.
10866
10867 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10868             James Clarke  <jrtc27@jrtc27.com>
10869
10870         PR target/84010
10871         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10872         consistently in TLS address generation and adjust code to the renaming
10873         of patterns.  Mark calls to __tls_get_addr as const.
10874         * config/sparc/sparc.md (tgd_hi22): Turn into...
10875         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10876         (tgd_lo10): Turn into...
10877         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10878         (tgd_add32): Merge into...
10879         (tgd_add64): Likewise.
10880         (tgd_add<P:mode>): ...this and use Pmode throughout.
10881         (tldm_hi22): Turn into...
10882         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10883         (tldm_lo10): Turn into...
10884         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10885         (tldm_add32): Merge into...
10886         (tldm_add64): Likewise.
10887         (tldm_add<P:mode>): ...this and use Pmode throughout.
10888         (tldm_call32): Merge into...
10889         (tldm_call64): Likewise.
10890         (tldm_call<P:mode>): ...this and use Pmode throughout.
10891         (tldo_hix22): Turn into...
10892         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10893         (tldo_lox10): Turn into...
10894         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10895         (tldo_add32): Merge into...
10896         (tldo_add64): Likewise.
10897         (tldo_add<P:mode>): ...this and use Pmode throughout.
10898         (tie_hi22): Turn into...
10899         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10900         (tie_lo10): Turn into...
10901         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10902         (tie_ld64): Use DImode throughout.
10903         (tie_add32): Merge into...
10904         (tie_add64): Likewise.
10905         (tie_add<P:mode>): ...this and use Pmode throughout.
10906         (tle_hix22_sp32): Merge into...
10907         (tle_hix22_sp64): Likewise.
10908         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10909         (tle_lox22_sp32): Merge into...
10910         (tle_lox22_sp64): Likewise.
10911         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10912         (*tldo_ldub_sp32): Merge into...
10913         (*tldo_ldub_sp64): Likewise.
10914         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10915         (*tldo_ldub1_sp32): Merge into...
10916         (*tldo_ldub1_sp64): Likewise.
10917         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10918         (*tldo_ldub2_sp32): Merge into...
10919         (*tldo_ldub2_sp64): Likewise.
10920         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10921         (*tldo_ldsb1_sp32): Merge into...
10922         (*tldo_ldsb1_sp64): Likewise.
10923         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10924         (*tldo_ldsb2_sp32): Merge into...
10925         (*tldo_ldsb2_sp64): Likewise.
10926         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10927         (*tldo_ldub3_sp64): Use DImode throughout.
10928         (*tldo_ldsb3_sp64): Likewise.
10929         (*tldo_lduh_sp32): Merge into...
10930         (*tldo_lduh_sp64): Likewise.
10931         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10932         (*tldo_lduh1_sp32): Merge into...
10933         (*tldo_lduh1_sp64): Likewise.
10934         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10935         (*tldo_ldsh1_sp32): Merge into...
10936         (*tldo_ldsh1_sp64): Likewise.
10937         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10938         (*tldo_lduh2_sp64): Use DImode throughout.
10939         (*tldo_ldsh2_sp64): Likewise.
10940         (*tldo_lduw_sp32): Merge into...
10941         (*tldo_lduw_sp64): Likewise.
10942         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10943         (*tldo_lduw1_sp64): Use DImode throughout.
10944         (*tldo_ldsw1_sp64): Likewise.
10945         (*tldo_ldx_sp64): Likewise.
10946         (*tldo_stb_sp32): Merge into...
10947         (*tldo_stb_sp64): Likewise.
10948         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10949         (*tldo_sth_sp32): Merge into...
10950         (*tldo_sth_sp64): Likewise.
10951         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10952         (*tldo_stw_sp32): Merge into...
10953         (*tldo_stw_sp64): Likewise.
10954         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10955         (*tldo_stx_sp64): Use DImode throughout.
10956
10957 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10958
10959         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10960         check configure option to set BTI and Return Address Signing.
10961         * configure.ac: Add --enable-standard-branch-protection and
10962         --disable-standard-branch-protection.
10963         * configure: Regenerated.
10964         * doc/install.texi: Document the same.
10965
10966 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10967             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10968
10969         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10970         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10971         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10972         if bti is enabled.
10973         * config/aarch64/aarch64-bti-insert.c: New file.
10974         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
10975         pass.
10976         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
10977         new bti pass.
10978         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
10979         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
10980         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
10981         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
10982
10983 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10984
10985         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
10986         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
10987         Disable bti for -mbranch-protection=none.
10988         (aarch64_handle_standard_branch_protection): Enable bti for
10989         -mbranch-protection=standard.
10990         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
10991         -mbranch-protection.
10992         (aarch64_bti_enabled): Check if bti is enabled.
10993         * config/aarch64/aarch64.opt: Declare target variable.
10994         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
10995
10996 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10997
10998         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
10999         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
11000         (aarch64_expand_epilogue): Likewise.
11001         (aarch64_output_mi_thunk): Likewise
11002         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
11003         TAILCALL_ADDR_REGS to x16 and x17.
11004         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
11005
11006 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11007
11008         * config/aarch64/aarch64-option-extensions.def: Define
11009         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
11010         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
11011         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
11012         (AARCH64_FL_PREDRES): New.
11013         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
11014         AARCH64_FL_PREDRES by default.
11015         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
11016
11017 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11018
11019         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
11020         ARMv8.5-A.
11021         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
11022         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
11023         * doc/invoke.texi: Document ARMv8.5-A.
11024
11025 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
11026
11027         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
11028         (xorsign<mode>3): Likewise.
11029
11030 2019-01-09  Jelinek  <jakub@redhat.com>
11031
11032         PR middle-end/88758
11033         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
11034         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
11035
11036         PR rtl-optimization/88331
11037         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
11038         not currently_expanding_to_rtl.
11039
11040 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11041
11042         * doc/invoke.texi (-Os): Remove trailing spaces.
11043         (-finline-functions): Remove reference to -O2.
11044
11045 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
11046
11047         PR rtl-optimization/79593
11048         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
11049
11050         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
11051         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
11052
11053 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
11054
11055         PR bootstrap/88721
11056         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
11057         to -1 on entry.
11058
11059         PR debug/88723
11060         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
11061         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
11062
11063 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11064
11065         PR target/88717
11066         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
11067         ix86_avx_u128_mode_entry.
11068
11069 2019-01-08  Martin Liska  <mliska@suse.cz>
11070
11071         PR tree-optimization/88753
11072         * tree-switch-conversion.c (switch_conversion::build_one_array):
11073         Come up with local variable constructor.  Convert first to
11074         type of constructor values.
11075
11076 2019-01-08  Richard Biener  <rguenther@suse.de>
11077
11078         PR tree-optimization/86554
11079         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
11080         rpo_avail): Move earlier.
11081         (visit_nary_op): When value-numbering to expressions
11082         with different overflow behavior make sure there's an
11083         available expression on the path.
11084
11085 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
11086
11087         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
11088         aarch64_parse_branch_protection,
11089         struct aarch64_branch_protect_type,
11090         aarch64_handle_no_branch_protection,
11091         aarch64_handle_standard_branch_protection,
11092         aarch64_validate_mbranch_protection,
11093         aarch64_handle_pac_ret_protection,
11094         aarch64_handle_attr_branch_protection,
11095         accepted_branch_protection_string,
11096         aarch64_pac_ret_subtypes,
11097         aarch64_branch_protect_types,
11098         aarch64_handle_pac_ret_leaf): Define.
11099         (aarch64_override_options_after_change_1, aarch64_override_options):
11100         Add check for accepted_branch_protection_string.
11101         (aarch64_option_save): Save accepted_branch_protection_string.
11102         (aarch64_option_restore): Save accepted_branch_protection_string.
11103         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
11104         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
11105         msign-return-address.
11106         * doc/invoke.texi: Add mbranch-protection.
11107
11108 2019-01-08  Alan Modra  <amodra@gmail.com>
11109
11110         PR target/88614
11111         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
11112         Delete "unknownp" parameter.  Adjust callers.  Handle
11113         CONST_INT, PLUS, MINUS, and MULT.
11114         (attr_value_aligned): Renamed from or_attr_value.
11115         (min_attr_value): Return INT_MIN for unhandled rtl case..
11116         (min_fn): ..and translate to INT_MAX here.
11117         (write_length_unit_log): Modify to cope without "unknown".
11118         (write_attr_value): Handle IF_THEN_ELSE.
11119
11120 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11121
11122         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
11123         optimization for masked stores.
11124
11125 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11126
11127         PR middle-end/88567
11128         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
11129         output vector directly to duplicate_and_interleave instead of
11130         going through a temporary.  Postpone insertion of ctor_seq to
11131         the end of the loop.
11132
11133 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
11134
11135         PR target/86891
11136         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
11137         unsigned_p.  Handle signed and unsigned overflow correction as
11138         required.
11139         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
11140         prototype.
11141         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
11142         for operand 2.
11143         (add<mode>3_compareV_imm): Make this callable for expanding.
11144         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
11145         aarch64_plus_operand for operand 2.
11146         (subv<GPI:mode>_insn): New insn pattern.
11147         (subv<GPI:mode>_imm): Likewise.
11148         (negv<GPI:mode>3): New expand pattern.
11149         (negv<GPI:mode>_insn): New insn pattern.
11150         (negv<GPI:mode>_cmp_only): Likewise.
11151         (cmpv<GPI:mode>_insn): Likewise.
11152         (subvti4): Use register_operand for operand 1.  Update call to
11153         aarch64_expand_subvti.
11154         (usubvti4): Likewise.
11155         (negvti3): New expand pattern.
11156         (negdi_carryout): New insn pattern.
11157         (negvdi_carryinV): New insn pattern.
11158         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
11159         version the named version.
11160         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
11161         operands.
11162         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
11163         patterns.
11164         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
11165         patterns.
11166         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
11167         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11168         (sub<mode>3_carryinCV): Delete.
11169         (sub<GPI:mode>3_carryinV): New expand pattern.
11170         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11171
11172 2019-01-07  Richard Biener  <rguenther@suse.de>
11173
11174         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11175         of tree_operand_hash.
11176
11177 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11178
11179         PR tree-optimization/88598
11180         * tree.h (single_nonzero_element): Declare.
11181         * tree.c (single_nonzero_element): New function.
11182         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11183         if I is the only nonzero element of CST.
11184
11185 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11186
11187         PR tree-optimization/88598
11188         * tree.h (initializer_each_zero_or_onep): Declare.
11189         * tree.c (initializer_each_zero_or_onep): New function.
11190         (signed_or_unsigned_type_for): Handle float types too.
11191         (unsigned_type_for, signed_type_for): Update comments accordingly.
11192         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11193         x & { 0 or -1, 0 or -1, ... }.
11194
11195 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11196
11197         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11198         with x86_64-pc-linux-gnu.
11199
11200 2019-01-07  Tom de Vries  <tdevries@suse.de>
11201
11202         PR target/85486
11203         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11204         function.
11205         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11206         routines.
11207
11208 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11209
11210         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11211         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11212         TARGET_AVX512F as condition.
11213
11214         PR debug/88723
11215         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11216         const_not_ok_for_debug_p target hook.
11217         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11218         on UNSPEC and subexpressions thereof if all subexpressions of the
11219         UNSPEC are CONSTANT_P.
11220
11221         PR tree-optimization/88676
11222         * tree-ssa-phiopt.c (two_value_replacement): New function.
11223         (tree_ssa_phiopt_worker): Call it.
11224
11225         PR sanitizer/88619
11226         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11227         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11228
11229         PR c++/85052
11230         * tree-vect-generic.c: Include insn-config.h and recog.h.
11231         (expand_vector_piecewise): Add defaulted ret_type argument,
11232         if non-NULL, use that in preference to type for the result type.
11233         (expand_vector_parallel): Formatting fix.
11234         (do_vec_conversion, do_vec_narrowing_conversion,
11235         expand_vector_conversion): New functions.
11236         (expand_vector_operations_1): Call expand_vector_conversion
11237         for VEC_CONVERT ifn calls.
11238         * internal-fn.def (VEC_CONVERT): New internal function.
11239         * internal-fn.c (expand_VEC_CONVERT): New function.
11240         * fold-const-call.c (fold_const_vec_convert): New function.
11241         (fold_const_call): Use it for CFN_VEC_CONVERT.
11242         * doc/extend.texi (__builtin_convertvector): Document.
11243
11244 2019-01-07  Tom de Vries  <tdevries@suse.de>
11245
11246         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11247         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11248         vector_red_partition, vector_red_sym): New global variables.
11249         (nvptx_option_override): Initialize vector_red_sym.
11250         (nvptx_declare_function_name): Restore red_partition register.
11251         (nvptx_file_end): Emit code to declare the vector reduction variables.
11252         (nvptx_output_red_partition): New function.
11253         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11254         large vector reductions.
11255         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11256         (nvptx_init_builtins): Add VECTOR_ADDR.
11257         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11258         Handle nvptx_expand_shared_addr.
11259         (nvptx_get_shared_red_addr): Add vector argument and handle large
11260         vectors.
11261         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11262         large vectors.
11263         (nvptx_goacc_reduction_init): Likewise.
11264         (nvptx_goacc_reduction_fini): Likewise.
11265         (nvptx_goacc_reduction_teardown): Likewise.
11266         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11267         init,fini,teardown}.
11268         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11269         (nvptx_set_current_function): Init vector_red_partition.
11270         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11271         (nvptx_red_partition): New insn.
11272         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11273
11274 2019-01-07  Tom de Vries  <tdevries@suse.de>
11275
11276         PR target/85381
11277         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11278         empty loops.
11279
11280 2019-01-07  Tom de Vries  <tdevries@suse.de>
11281
11282         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11283         (nvptx_option_override): Init oacc_bcast_partition.
11284         (nvptx_init_oacc_workers): New function.
11285         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11286         (nvptx_needs_shared_bcast): New function.
11287         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11288         to propagate state.
11289         (nvptx_shared_propagate): Initialize vector bcast partition and
11290         synchronization state.
11291         (nvptx_single):  Generalize to enable vectors to use shared-memory
11292         to propagate state.
11293         (nvptx_process_pars): Likewise.
11294         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11295         * config/nvptx/nvptx.h (struct machine_function): Add
11296         bcast_partition and sync_bar members.
11297
11298 2019-01-07  Tom de Vries  <tdevries@suse.de>
11299
11300         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11301         (nvptx_apply_dim_limits): New function.
11302         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11303         PTX_WARP_SIZE.
11304
11305 2019-01-07  Tom de Vries  <tdevries@suse.de>
11306
11307         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11308         as late as possible.
11309
11310 2019-01-07  Tom de Vries  <tdevries@suse.de>
11311
11312         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11313         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11314         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11315         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11316         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11317
11318 2019-01-07  Tom de Vries  <tdevries@suse.de>
11319
11320         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11321
11322 2019-01-07  Tom de Vries  <tdevries@suse.de>
11323
11324         * omp-offload.c (oacc_get_min_dim): New function.
11325         * omp-offload.h (oacc_get_min_dim): Declare.
11326
11327 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11328
11329         PR target/88521
11330         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11331         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11332
11333 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11334
11335         PR tree-opt/86020
11336         Revert:
11337         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11338
11339         * ipa-inline.c (edge_badness): Use inlined_time instead of
11340         inline_summaries->get.
11341
11342 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11343
11344         * opts.c (enable_fdo_optimizations): Enable
11345         version-loops-for-strides, loop-interchange, unrol-and-jam
11346         and tree-loop-distribution.
11347         * invoke.texi: Document newly enabled options.
11348
11349 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11350
11351         * doc/invoke.texi (max-inline-insns-small): New parameters.
11352         * ipa-inline.c (want_early_inline_function_p): simplify.
11353         (want_inline_small_function_p): Fix pasto from previous patch;
11354         use max-inline-insns-small bound.
11355         * params.def (max-inline-insns-small): New param.
11356         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11357         variables correctly.
11358
11359 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11360
11361         * doc/invoke.texi: Document max-inline-insns-size,
11362         uninlined-function-insns, uninlined-function-time,
11363         uninlined-thunk-insns and uninlined-thunk-time.
11364         * params.def: Add max-inline-insns-size,
11365         uninlined-function-insns, uninlined-function-time,
11366         uninlined-thunk-insns and uninlined-thunk-time.
11367         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11368         new parameters.
11369         * ipa-inline.c (can_inline_edge_by_limits_p,
11370         want_inline_small_function_p): Use new parameters.
11371
11372 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11373
11374         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11375
11376 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11377
11378         PR middle-end/82564
11379         PR target/88620
11380         * expr.c (expand_assignment): For calls returning VLA structures
11381         if to_rtx is not a MEM, force it into a stack temporary.
11382
11383         PR debug/88635
11384         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11385         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11386         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11387         subexpressions of both operands.
11388         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11389         subrtxes are CONSTANT_P.
11390         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11391         2018-11-09 changes.
11392
11393 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11394
11395         * params.def (hot-bb-count-ws-permille): Set to 990.
11396
11397 2019-01-04  Martin Sebor  <msebor@redhat.com>
11398
11399         PR c/88546
11400         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11401         leaf.
11402
11403 2019-01-04  Martin Sebor  <msebor@redhat.com>
11404
11405         PR c/88363
11406         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11407
11408 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11409
11410         * gdbinit.in: Turn off pagination for the skip commands, restore
11411         it to previous state afterwards.
11412
11413 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11414
11415         PR target/88594
11416         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11417         of GET_MODE (opN) as modes of the libcall arguments.
11418
11419 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11420
11421         * config/i386/sse.md
11422         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11423         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11424         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11425         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11426         avx512f_vmcmp<mode>3<round_saeonly_name>,
11427         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11428         avx512f_maskcmp<mode>3,
11429         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11430         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11431         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11432         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11433         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11434         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11435         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11436         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11437         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11438         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11439         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11440         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11441         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11442         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11443         avx512cd_maskb_vec_dup<mode>,
11444         avx512cd_maskw_vec_dup<mode>,
11445         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11446         avx512dq_vmfpclass<mode>,
11447         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11448         instead of =Yk.
11449
11450 2019-01-03  Martin Sebor  <msebor@redhat.com>
11451
11452         PR tree-optimization/88659
11453         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11454
11455 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11456
11457         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11458         unaligned vsx and avoid lxvd2x/stxvd2x.
11459         (gen_lvx_v4si_move): New function.
11460
11461 2019-01-03  Tom de Vries  <tdevries@suse.de>
11462
11463         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11464         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11465         function.
11466         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11467
11468 2019-01-03  Tom de Vries  <tdevries@suse.de>
11469
11470         * config/nvptx/nvptx.c (struct offload_attrs): New.
11471         (populate_offload_attrs): New function.  Factor mask extraction out of
11472         nvptx_reorg.  Add extraction of dimensions.
11473         (nvptx_reorg): Use populate_offload_attrs.
11474
11475 2019-01-03  Tom de Vries  <tdevries@suse.de>
11476
11477         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11478         cases for oacc_min_dims_p and routine_p.  Add asserts for
11479         oacc_default_dims_p and offload_region_p.
11480
11481 2019-01-03  Tom de Vries  <tdevries@suse.de>
11482
11483         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11484         factored out of ...
11485         (nvptx_goacc_validate_dims): ... here.
11486
11487 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11488
11489         PR tree-optimization/85574
11490         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11491         structure.
11492         (struct ssa_equip_hash_traits): Declare.
11493         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11494
11495 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11496
11497         PR debug/88644
11498         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11499         change it to qualified_type.
11500
11501 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11502
11503         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11504         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11505
11506 2019-01-02  Martin Sebor  <msebor@redhat.com>
11507             Jeff Law  <law@redhat.com>
11508
11509         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11510         (get_range_strlen_tree): Update appropriately.
11511         (get_range_strlen)
11512         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11513
11514         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11515         rather than set_range_info.
11516         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11517         maybe_set_strlen_range.  Handle potentially boundary crossing
11518         cases more conservatively.
11519         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11520         Call set_strlen_range.
11521         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11522
11523         PR middle-end/88663
11524         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11525         need the flexp argument.
11526         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11527         from calls to get_range_strlen.  Update comments.  Just update
11528         VAL for an unterminated const char array and let the reset of the
11529         code handle it normally.  No longer try to set *flexp.  Adjust
11530         return value.
11531         (get_range_strlen): Update for the new get_range_strlen API.
11532         (get_maxval_strlen): Similarly.
11533         (gimple_fold_builtin_strlen): Handle update meaning of return value
11534         from get_range_strlen.
11535         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11536         get_range_strlen API.
11537
11538 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11539
11540         PR lto/88130
11541         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11542         false at WPA time when body was removed.
11543
11544 2019-01-02  Martin Liska  <mliska@suse.cz>
11545
11546         PR tree-optimization/88650
11547         * predict.c (set_even_probabilities): Calculate probability
11548         remainer only when really used.
11549
11550 2019-01-02  Richard Biener  <rguenther@suse.de>
11551
11552         PR middle-end/88651
11553         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11554         widest_ints when mangling max_stmt_execution results.
11555
11556 2019-01-02  Richard Biener  <rguenther@suse.de>
11557
11558         PR tree-optimization/88621
11559         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11560         bitfields when canoncalizing.
11561
11562 2019-01-02  Richard Biener  <rguenther@suse.de>
11563
11564         PR target/87545
11565         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11566         cost of cheap SSE instruction.
11567
11568 2019-01-02  Richard Biener  <rguenther@suse.de>
11569
11570         PR ipa/85574
11571         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11572         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11573         function.
11574         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11575         set after UIDs before splitting them.
11576
11577 2019-01-01  Martin Sebor  <msebor@redhat.com>
11578             Jeff Law  <law@redhat.com>
11579
11580         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11581         length is optimistic.  If it is, then arrange to compute the
11582         conservative length as well.
11583
11584         * gimple-fold.h (get_range_strlen): Update prototype.
11585         * builtins.c (check_access): Update call to get_range_strlen to use
11586         c_strlen_data pointer.   Change various variable accesses to instead
11587         pull data from the c_strlen_data structure.
11588         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11589         * calls.c (maybe_warn_nonstring_arg): Likewise.
11590         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11591         minimum length if maximum lengh is unknown.
11592         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11593         that used c_strlen, it's no longer needed.  Restructure slightly.
11594         (format_string): Set unlikely range appropriately.
11595         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11596         formatting issues.
11597         (get_range_strlen):  Accept c_strlen_data pointer for external
11598         call sites as well.  Pass through to call to internal get_range_strlen.
11599         Adjust minlen, maxlen and maxbound as needed.
11600         (get_maxval_strlen): Update comments.
11601         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11602         to use c_strlen_data pointer.  Change variable accesses to instead
11603         use c_strlen_data data members.
11604
11605         * gimple-fold.c (get_range_strlen): Update prototype.
11606         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11607         local variables.  Use pdata to return information to caller.
11608         Update calls to get_range_strlen.  Update pdata->maxbound.
11609         (get_range_strlen -- static version): Similarly.
11610         (get_range_strlen -- extern version): Update for internal
11611         get_range_strlen API change.  Convert to external data format.
11612         (get_maxval_strlen): Similarly.
11613
11614 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11615
11616         * coverage.c (get_coverage_counts): Use current_function_decl.
11617         * profile.c (read_thunk_profile): New function.
11618         (branch_prob): Add THUNK parameter.
11619         * tree-profile.c (tree_profiling): Handle thunks.
11620         * value-prof.c (init_node_map): Handle thunks.
11621         * value-prof.h (branch_prob): Upate prototype.
11622         (read_thunk_profile): Declare.
11623
11624 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11625
11626         Update copyright years.
11627
11628         * gcc.c (process_command): Update copyright notice dates.
11629         * gcov-dump.c (print_version): Ditto.
11630         * gcov.c (print_version): Ditto.
11631         * gcov-tool.c (print_version): Ditto.
11632         * gengtype.c (create_file): Ditto.
11633         * doc/cpp.texi: Bump @copying's copyright year.
11634         * doc/cppinternals.texi: Ditto.
11635         * doc/gcc.texi: Ditto.
11636         * doc/gccint.texi: Ditto.
11637         * doc/gcov.texi: Ditto.
11638         * doc/install.texi: Ditto.
11639         * doc/invoke.texi: Ditto.
11640 \f
11641 Copyright (C) 2019 Free Software Foundation, Inc.
11642
11643 Copying and distribution of this file, with or without modification,
11644 are permitted in any medium without royalty provided the copyright
11645 notice and this notice are preserved.