gcc/ChangeLog

   1 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
   2
   3         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
   4         indirect_refs_may_alias_p): Revert accidental commits.
   5
   6         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
   7         at the end of structures.
   8
   9 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
  10
  11         * config/darwin.c (machopic_indirect_call_target): Use renamed
  12         darwin_picsymbol_stubs to decide on output.
  13         (darwin_override_options): Handle darwin_picsymbol_stubs.
  14         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
  15         (LD64_VERSION): Revise default.
  16         * config/darwin.opt: (mpic-symbol-stubs): New option.
  17         (darwin_picsymbol_stubs): New variable.
  18         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
  19         rename to TARGET_MACHO_PICSYM_STUBS.
  20         * config/i386/i386.c (output_pic_addr_const): Likewise.
  21         * config/i386/i386.h Likewise.
  22         * config/rs6000/darwin.h: Likewise.
  23         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
  24         darwin_picsymbol_stubs.
  25
  26 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
  27
  28         * config/darwin.opt (prebind, noprebind, seglinkedit,
  29         noseglinkedit): Add RejectNegative.
  30
  31 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
  32
  33         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
  34         in my previous patch.
  35
  36 2019-06-16  Tom de Vries  <tdevries@suse.de>
  37
  38         PR tree-optimization/89376
  39         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
  40
  41 2019-06-15  Maya Rashish  <coypu@sdf.org>
  42
  43         * doc/invoke.texi (Spec Files): Update location of the
  44         Fortran spec file.
  45
  46 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
  47
  48         * doc/extend.texi (Common Function Attributes): Clarify
  49         no_sanitize.  Fix grammar.
  50
  51 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
  52
  53         * tree-ssa-alias.c (alias_stats): Add
  54         nonoverlapping_component_refs_p_may_alias,
  55         nonoverlapping_component_refs_p_no_alias,
  56         nonoverlapping_component_refs_of_decl_p_may_alias,
  57         nonoverlapping_component_refs_of_decl_p_no_alias.
  58         (dump_alias_stats): Dump them.
  59         (nonoverlapping_component_refs_of_decl_p): Add stats.
  60         (nonoverlapping_component_refs_p): Add stats; do not stop on first
  61         ARRAY_REF.
  62
  63 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
  64
  65         * config/i386/i386.md (and<mode>3): Generate zero-extends for
  66         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
  67         only.
  68         (*anddi3_doubleword): Split before reload. Merge with
  69         anddi->zext pre-reload splitter.
  70         (*andndi3_doubleword): Split before reload.
  71         (*<code>di3_doubleword): Ditto.
  72         (*one_cmpldi2_doubleword): Ditto.
  73
  74 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
  75
  76         PR middle-end/90779
  77         * gimplify.c: Include omp-offload.h and context.h.
  78         (gimplify_bind_expr): Add "omp declare target" attributes
  79         to static block scope variables inside of target region or target
  80         functions.
  81
  82 2019-06-15  Tom de Vries  <tdevries@suse.de>
  83
  84         PR tree-optimization/90009
  85         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
  86         Return NULL if bb contains IFN_UNIQUE.
  87
  88 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
  89
  90         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
  91         (un): New define_mode_attr.
  92         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
  93         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
  94         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
  95         merge into ...
  96         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
  97
  98 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
  99
 100         * config/darwin.opt: Add RejectNegative where needed, reorder
 101         and add minimal functional descriptions.
 102
 103 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 104
 105         PR rtl-optimization/90765
 106         * calls.c (update_stack_alignment_for_call): New function.
 107         (expand_call): Call update_stack_alignment_for_call when
 108         outgoing parameter is passed in the stack.
 109         (emit_library_call_value_1): Likewise.
 110         * function.c (locate_and_pad_parm): Don't update
 111         stack_alignment_needed and preferred_stack_boundary.
 112
 113 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 114
 115         PR target/90877
 116         * config/i386/i386-features.c
 117         (dimode_scalar_chain::compute_convert_gain): Replace
 118         mmxsse_to_integer with sse_to_integer.
 119         * config/i386/i386.c (ix86_register_move_cost): Verify that
 120         moves between MMX and non-MMX units require secondary memory.
 121         Correct costs of moves between SSE and integer units.
 122         * config/i386/i386.h (processor_costs): Rename cost of moving
 123         SSE register to integer to sse_to_integer.  Rename cost of
 124
 125 2019-06-14  Matt Thomas  <matt@3am-software.com>
 126             Matthew Green  <mrg@eterna.com.au>
 127             Nick Hudson  <skrll@netbsd.org>
 128             Maya Rashish  <coypu@sdf.org>
 129             Richard Earnshaw  <rearnsha@arm.com>
 130
 131         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
 132         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
 133         * config/arm/netbsd-eabi.h: New file.
 134         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
 135         redefining.
 136         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
 137         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
 138         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
 139         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
 140
 141 2019-06-14  Richard Biener  <rguenther@suse.de>
 142
 143         * tree-loop-distribution.c (classify_partition): Return
 144         whether a reduction appeared in all partitions and do not
 145         stop builtin detection because of this.
 146         (distribute_loop): Sort a non-builtin partition last if
 147         there's a reduction in all partitions and make sure the
 148         partition prevailing as last is not a builtin.
 149
 150 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
 151
 152         PR ipa/90401
 153         * ipa-prop.c (add_to_agg_contents_list): New function.
 154         (clobber_by_agg_contents_list_p): Likewise.
 155         (extract_mem_content): Likewise.
 156         (get_place_in_agg_contents_list): Delete.
 157         (determine_known_aggregate_parts): Renamed from
 158         determine_locally_known_aggregate_parts.  New parameter
 159         aa_walk_budget_p.
 160
 161 2019-06-13  Martin Sebor  <msebor@redhat.com>
 162
 163         PR tree-optimization/90662
 164         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
 165         to the same type.
 166
 167 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 168
 169         PR bootstrap/90873
 170         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
 171         dbase is not TARGET_MEM_REF.
 172
 173 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 174
 175         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
 176         Update all uses.
 177         (and<mode>3): Use gen_extend_insn instead of indirect functions.
 178         Do not generate DImode extends for 32bit targets.
 179         (and->zext post-reload splitter): Use gen_extend_insn
 180         instead of indirect functions.
 181         (anddi->zext pre-reload splitter): New.
 182         (*zext<mode>_doubleword_and): Remove.
 183         (*zext<mode>_doubleword): Ditto.
 184         (*zextsi_doubleword): Dittto.
 185
 186 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 187
 188         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
 189         Use gen_sub3_insn instead of indirect function.
 190         (ix86_expand_ashl_const): Use gen_add2_insn instead of
 191         indirect function.
 192         (ix86_adjust_counter): Ditto.
 193
 194 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
 195             Lijia He  <helijia@linux.ibm.com>
 196
 197         PR tree-optimization/77820
 198         * tree-ssa-threadedge.c
 199         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
 200         function.
 201         (thread_across_edge): Add call to
 202         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
 203
 204 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
 205
 206         * config/darwin-driver.c (validate_macosx_version_min): New.
 207         (darwin_default_min_version): Cleanup and validate supplied version.
 208         (darwin_driver_init): Likewise and push cleaned version into opts.
 209
 210 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 211
 212         PR tree-optimization/90869
 213         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
 214         converts in MEM_REF referencing decl rather than view converts
 215         from decl type to MEM_REF type.
 216
 217 2019-06-13  Richard Biener  <rguenther@suse.de>
 218
 219         PR tree-optimization/90856
 220         * tree-sra.c (build_ref_for_model): Only use
 221         build_reconstructed_reference when address-spaces are the same.
 222
 223 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 224
 225         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
 226         wrap ei variable name in the declaration in ()s.
 227         (nvptx_single): Actually use mode_label variable.  Formatting fix.
 228
 229 2019-06-13  Richard Biener  <rguenther@suse.de>
 230
 231         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
 232         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
 233         also return the condition stmt.
 234         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
 235         loop we can version and version that, reusing the loop version
 236         created by if-conversion instead of versioning again.
 237
 238 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
 239
 240         * gimple-loop-versioning.cc (prune_loop_conditions): Use
 241         may_contain_p.
 242         * tree-vrp (value_range_base::may_contain_p): Call into
 243         value_inside_range.
 244         (value_inside_range): Make private inside value_range_base class.
 245         Take min/max from *this.
 246         (range_includes_p): Remove.
 247         * tree-vrp.h (value_range_base): Add value_inside_range.
 248         (range_includes_p): Remove.
 249         (range_includes_zero_p): Call may_contain_p.
 250         * vr-values.c (compare_range_with_value): Same.
 251
 252 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
 253
 254         * doc/extend.texi (ARC Function Attributes): Update info.
 255
 256 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
 257
 258         PR tree-optimization/89713
 259         * doc/invoke.texi (-ffinite-loops): Document new option.
 260         * common.opt (-ffinite-loops): New option.
 261         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
 262         IFN_GOACC_LOOP calls as necessary.
 263         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
 264         is finite.
 265         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
 266         IFN_GOACC_LOOP call is not used.
 267         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
 268
 269 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 270
 271         PR target/88838
 272         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
 273         compare_type is not with Pmode size, we will create an IV with
 274         Pmode size with truncated use (i.e. converted to the correct type).
 275         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
 276         (vect_iv_limit_for_full_masking): New. Factored out of
 277         vect_set_loop_condition_masked.
 278         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
 279         (vect_iv_limit_for_full_masking): Declare.
 280
 281 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 282
 283         PR target/88834
 284         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
 285         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
 286         (get_alias_ptr_type_for_ptr_address): Likewise.
 287         (add_iv_candidate_for_use): Add scaled index candidate if useful.
 288         * tree-ssa-address.c (preferred_mem_scale_factor): New.
 289         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
 290         allow_reg_index_p.
 291
 292 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 293
 294         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 295
 296 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 297
 298         * common/config/pru/pru-common.c: New file.
 299         * config.gcc: Add PRU target.
 300         * config/pru/alu-zext.md: New file.
 301         * config/pru/constraints.md: New file.
 302         * config/pru/predicates.md: New file.
 303         * config/pru/pru-opts.h: New file.
 304         * config/pru/pru-passes.c: New file.
 305         * config/pru/pru-pragma.c: New file.
 306         * config/pru/pru-protos.h: New file.
 307         * config/pru/pru.c: New file.
 308         * config/pru/pru.h: New file.
 309         * config/pru/pru.md: New file.
 310         * config/pru/pru.opt: New file.
 311         * config/pru/t-pru: New file.
 312         * doc/extend.texi: Document PRU pragmas.
 313         * doc/invoke.texi: Document PRU-specific options.
 314         * doc/md.texi: Document PRU asm constraints.
 315
 316 2019-06-12  Martin Sebor  <msebor@redhat.com>
 317
 318         PR middle-end/90676
 319         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 320         MEM_REF type in output when different size than operand.
 321         (dump_generic_node): Move code to dump_mem_ref and call it.
 322
 323 2019-06-12  Martin Sebor  <msebor@redhat.com>
 324
 325         PR tree-optimization/90662
 326         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 327         to arrays.
 328
 329 2019-06-12  Tom de Vries  <tdevries@suse.de>
 330
 331         PR tree-optimization/90009
 332         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 333
 334 2019-06-12  Martin Liska  <mliska@suse.cz>
 335
 336         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 337         the created map.
 338         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 339         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 340         Do not sanitize created maps.
 341
 342 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 343
 344         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 345         value_range::singleton_p.
 346         * tree-vrp.c (value_range_constant_singleton): Remove.
 347         * tree-vrp.h (value_range_constant_singleton): Remove.
 348         * vr-values.c (vr_values::singleton): Use
 349         value_range::singleton_p.
 350
 351 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 352
 353         PR target/90811
 354         * cfgexpand.c (align_local_variable): Add really_expand argument,
 355         don't SET_DECL_ALIGN if it is false.
 356         (add_stack_var): Add really_expand argument, pass it through to
 357         align_local_variable.
 358         (expand_one_stack_var_1): Pass true as really_expand to
 359         align_local_variable.
 360         (expand_one_ssa_partition): Pass true as really_expand to
 361         add_stack_var.
 362         (expand_one_var): Pass really_expand through to add_stack_var.
 363
 364 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 365
 366         * config/arm/iterators.md (VABAL): New int iterator.
 367         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 368         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 369         values.
 370
 371 2019-06-12  Martin Liska  <mliska@suse.cz>
 372
 373         * value-prof.c (stream_out_histogram_value): Only first value
 374         can't be negative.
 375
 376 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 377
 378         PR c/90760
 379         * symtab.c (symtab_node::set_section): Allow being called on aliases
 380         as long as they aren't analyzed yet.
 381
 382 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 383
 384         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 385         to `mips_set_text_contents_type' to indicate whether a
 386         non-debug insn follows.
 387
 388 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 389
 390         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 391         enabling -mpcrel by default.
 392         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 393         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 394         that the test against -mcpu=future is done first.  Then test if
 395         -mprefixed-addr is on for -mpcrel.
 396         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 397
 398 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 399
 400         PR target/90811
 401         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 402         instead of and.u%d.
 403
 404 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 405
 406         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 407
 408 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 409
 410         PR c++/90449 - add -Winaccessible-base option.
 411         * doc/invoke.texi (Winaccessible-base): Document.
 412
 413 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 414
 415         PR tree-optimization/62041
 416         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 417
 418 2019-06-11  Jason Merrill  <jason@redhat.com>
 419
 420         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 421         * tree.c (get_tree_code_name): Likewise.
 422         * print-tree.c (print_node): Only briefly print a node with an
 423         invalid code.
 424
 425 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 426
 427         PR bootstrap/90819
 428         * trans-mem.c (tm_memopt_compute_available): Add assertion
 429         that blocks is not empty.  Formatting fix.
 430
 431 2019-06-11  Martin Liska  <mliska@suse.cz>
 432
 433         PR c++/87847
 434         * hash-table.h: Extend create_gcc, add one parameter
 435         that is passed into hash_table::hash_table.
 436
 437 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 438
 439         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 440         New prototype.
 441         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 442         Emit clobber also for non-sse operations.
 443         (ix86_split_fp_absneg_operator): New function.
 444         * config/i386/i386.md (SSEMODEF): New mode iterator.
 445         (ssevecmodef): New mode attribute.
 446         (<code>tf2): Use absneg code iterator.
 447         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 448         Add three-operand AVX alternatives.
 449         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 450         Use absneg code iterator and X87MODEF mode iterator.
 451         (absneg fp_reg non-sse splitter): Call absneg code iterator
 452         and X87MODEF mode iterator.
 453         (absneg general_reg non-sse splitter): Use absneg code iterator
 454         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 455         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 456         code iterator.  Add three-operand AVX alternative.
 457         (absneg sse_reg splitter): Use absneg code iterator
 458         and SSEMODEF mode iterator.  Handle AVX operands.
 459         (absneg fp_reg splitter): Use absneg code iterator
 460         and MODEF mode iterator.
 461         (absneg general_reg splitter): Merge splitters using MODEF mode
 462         iterator.  Use absneg code iterator.  Call
 463         ix86_split_fp_absneg_operator.
 464         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 465         Do not enable for non-sse modes before reload.
 466         (CSGNMODE): Remove.
 467         (CSGNVMODE): Ditto.
 468         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 469         ssevecmodef mode attribute instaed of CSGNVMODE.
 470         (copysign<mode>3_const): Ditto.
 471         (copysign<mode>3_var): Ditto.
 472         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 473         Use absneg code iterator.  Simplify code using std::swap.
 474         * config/i386/predicates.md (absneg_operator): Remove.
 475
 476 2019-06-10  Martin Sebor  <msebor@redhat.com>
 477
 478         * gimple-fold.c (get_range_strlen): Update comment that didn't
 479         make it into r267503 or related commits.
 480
 481 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 482
 483         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 484         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 485
 486 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 487
 488         * tree.def (OMP_SCAN): New tree code.
 489         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 490         OMP_CLAUSE_EXCLUSIVE.
 491         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 492         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 493         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 494         OMP_CLAUSE_{IN,EX}CLUSIVE.
 495         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 496         * tree-nested.c (convert_nonlocal_reference_stmt,
 497         convert_local_reference_stmt, convert_gimple_call): Handle
 498         GIMPLE_OMP_SCAN.
 499         * tree-pretty-print.c (dump_omp_clause): Handle
 500         OMP_CLAUSE_{IN,EX}CLUSIVE.
 501         (dump_generic_node): Handle OMP_SCAN.
 502         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 503         * gimple.h (gomp_scan): New type.
 504         (is_a_helper <gomp_scan *>::test,
 505         is_a_helper <const gomp_scan *>::test): New templates.
 506         (gimple_build_omp_scan): Declare.
 507         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 508         gimple_omp_scan_set_clauses): New inline functions.
 509         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 510         * gimple.c (gimple_build_omp_scan): New function.
 511         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 512         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 513         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 514         GIMPLE_OMP_TASKGROUP.
 515         (dump_gimple_omp_scan): New function.
 516         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 517         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 518         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 519         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 520         (is_gimple_stmt): Handle OMP_SCAN.
 521         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 522         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 523         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 524         mentioned in nested #pragma omp scan.  Handle
 525         OMP_CLAUSE_{IN,EX}CLUSIVE.
 526         (gimplify_expr): Handle OMP_SCAN.
 527         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 528         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 529         simd constructs.
 530         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 531         GIMPLE_OMP_SCAN.
 532
 533 2019-06-10  Martin Liska  <mliska@suse.cz>
 534
 535         * ipa-cp.c (ignore_edge_p): New function.
 536         (build_toporder_info): Use it.
 537         * ipa-inline.c (ignore_edge_p): New function.
 538         (inline_small_functions): Use it.
 539         * ipa-pure-const.c (ignore_edge_for_nothrow):
 540         Verify opt_for_fn for caller and callee.
 541         (ignore_edge_for_pure_const): Likewise.
 542         * ipa-reference.c (ignore_edge_p): Extend to check
 543         for opt_for_fn.
 544         * ipa-utils.c (searchc): Refactor.
 545         * ipa-utils.h: Fix coding style.
 546
 547 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 548
 549         * config/arc/arc.c (arc_rtx_costs): Update costs.
 550
 551 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 552
 553         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 554         (arc_split_ior): Likewise.
 555         (arc_check_mov_const): Likewise.
 556         (arc_split_mov_const): Likewise.
 557         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 558         (arc_rtx_costs): Replace check Crr with Cax constraint.
 559         (prepare_move_operands): Cleanup, remove unused code.
 560         (arc_split_ior): New function.
 561         (arc_check_ior_const): Likewise.
 562         (arc_split_mov_const): Likewise.
 563         (arc_check_mov_const): Likewise.
 564         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 565         in define_insn_and_split pattern.
 566         (iorsi3): Likewise.
 567         (mulsi3_v2): Add new matching variant.
 568         (andsi3_i): Cleanup pattern.
 569         (rotrsi3_cnt1): Update pattern.
 570         (rotrsi3_cnt8): New pattern.
 571         (ashlsi2_cnt8): Likewise.
 572         (ashlsi2_cnt16): Likewise.
 573         * config/arc/constraints.md (C0p): Update constraint.
 574         (Crr): Remove it.
 575         (C0x): New pattern.
 576         (Cax): New pattern.
 577
 578 2019-06-10  Martin Liska  <mliska@suse.cz>
 579
 580         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 581         Update coding style.
 582         (sem_item_optimizer::dump_cong_classes):
 583         Print how many items are in a non-singular class.  Improve
 584         coding style.
 585
 586 2019-06-10  Martin Liska  <mliska@suse.cz>
 587
 588         * value-prof.c (dump_histogram_value): Change dump format.
 589         (gimple_mod_subtract_transform): Remove legacy comment.
 590
 591 2019-06-10  Martin Liska  <mliska@suse.cz>
 592
 593         * value-prof.c (dump_histogram_value): Print histogram values
 594         only if present.
 595
 596 2019-06-10  Martin Liska  <mliska@suse.cz>
 597
 598         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 599         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 600         * ipa-profile.c (ipa_profile_generate_summary):
 601         Use get_most_common_single_value.
 602         * tree-profile.c (gimple_init_gcov_profiler):
 603         Instrument with __gcov_one_value_profiler_v2
 604         and __gcov_indirect_call_profiler_v4.
 605         * value-prof.c (dump_histogram_value):
 606         Print all values for HIST_TYPE_SINGLE_VALUE.
 607         (stream_out_histogram_value): Update assert for
 608         N values.
 609         (stream_in_histogram_value): Set number of
 610         counters for HIST_TYPE_SINGLE_VALUE.
 611         (get_most_common_single_value): New.
 612         (gimple_divmod_fixed_value_transform):
 613         Use get_most_common_single_value.
 614         (gimple_ic_transform): Likewise.
 615         (gimple_stringops_transform): Likewise.
 616         (gimple_find_values_to_profile): Set number
 617         of counters for HIST_TYPE_SINGLE_VALUE.
 618         * value-prof.h (get_most_common_single_value):
 619         New.
 620
 621 2019-06-10  Martin Liska  <mliska@suse.cz>
 622
 623         * hash-map.h: Pass default value to hash_table ctor.
 624         * hash-table.h: Add default value to call of a ctor.
 625
 626 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 627
 628         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 629         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 630
 631 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 632
 633         PR target/90751
 634         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 635         Call pa_output_function_label.
 636         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 637         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 638         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 639         to declaration.
 640         (pa_linux_output_function_prologue): Declare.
 641         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 642         (pa_output_function_label): New.
 643         (pa_output_function_prologue): Revise to use pa_output_function_label.
 644         (pa_linux_output_function_prologue): New.
 645         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 646
 647 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 648
 649         * tree-vrp.h (value_range_base::intersect): New.
 650         (value_range::intersect_helper): Move from here...
 651         (value_range_base::intersect_helper): ...to here.
 652         * tree-vrp.c (value_range::intersect_helper): Rename to...
 653         (value_range_base::intersect_helper): ...this, and rewrite to
 654         return a value instead of modifying THIS in place.
 655         Also, move equivalence handling...
 656         (value_range::intersect): ...here, while calling intersect_helper.
 657         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 658         calling intersect.
 659         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 660         Same.
 661         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 662
 663 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 664
 665         * Makefile.in (genprogerr): Add condmd.
 666         (genprog): Remove it here.
 667
 668 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 669
 670         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 671
 672 2019-06-07  Richard Biener  <rguenther@suse.de>
 673
 674         PR debug/90574
 675         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 676         that appear after user labels.
 677
 678 2019-06-07  Martin Liska  <mliska@suse.cz>
 679
 680         * cselib.c (cselib_init): Disable hash table
 681         sanitization.
 682         * hash-set.h: Pass new default argument to m_table.
 683         * hash-table.c: Add global variable with hash table
 684         sanitization limit.
 685         * hash-table.h (Allocator>::hash_table): Add new argument
 686         to ctor.
 687         (hashtab_chk_error): New.
 688         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 689         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 690         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 691
 692 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 693
 694         * common.opt (flto-odr-type-merging): Ignore.
 695         * invoke.texi (-flto-odr-type-merging): Remove.
 696         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 697         (can_be_vtable_hashed_p): Remove.
 698         (hash_odr_vtable): Remove.
 699         (odr_vtable_hasher::hash): Remove.
 700         (types_same_for_odr): Remove.
 701         (types_odr_comparable): Remove.
 702         (odr_vtable_hasher::equal): Remove.
 703         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 704         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 705         (get_odr_type): Do not use vtable hash.
 706         (dump_odr_type): Remove commented out code.
 707         (build_type_inheritance_graph): Do not allocate vtable hash.
 708         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 709         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 710         (odr_type_p): Likewise.
 711         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 712         test.
 713
 714 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 715
 716         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 717         immediately after same_types_for_tbaa_p returns -1 and continue
 718         looking for possible exact match; if matching types are arrays
 719         watch for partial overlaps.
 720         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 721         (indirect_refs_may_alias_p): Do type based disambiguation first;
 722         update comment.
 723
 724 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 725
 726         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 727
 728 2019-06-07  Martin Liska  <mliska@suse.cz>
 729
 730         * doc/invoke.texi: Remove param.
 731         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 732         Remove.
 733         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 734         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 735         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 736         * profile.c (instrument_values): Remove
 737         HIST_TYPE_INDIR_CALL_TOPN.
 738         * tree-profile.c (init_ic_make_global_vars):
 739         Always build __gcov_indirect_call only.
 740         (gimple_init_gcov_profiler): Remove usage
 741         of PARAM_INDIR_CALL_TOPN_PROFILE.
 742         (gimple_gen_ic_profiler): Likewise.
 743         * value-prof.c (dump_histogram_value): Likewise.
 744         (stream_in_histogram_value): Likewise.
 745         (gimple_indirect_call_to_profile): Likewise.
 746         (gimple_find_values_to_profile): Likewise.
 747         * value-prof.h (enum hist_type): Likewise.
 748
 749 2019-06-07  Martin Liska  <mliska@suse.cz>
 750
 751         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 752         function.
 753
 754 2019-06-07  Martin Liska  <mliska@suse.cz>
 755
 756         PR tree-optimization/78902
 757         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 758         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 759         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 760         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 761         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 762         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 763         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 764         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 765         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 766         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 767         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 768         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 769         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 770         New.
 771         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 772         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 773         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 774         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 775         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 776         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 777         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 778         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 779         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 780         warn_unused_result attribute.
 781         (BUILT_IN_STRDUP): Likewise.
 782         (BUILT_IN_STRNDUP): Likewise.
 783         (BUILT_IN_ALLOCA): Likewise.
 784         (BUILT_IN_CALLOC): Likewise.
 785         (BUILT_IN_MALLOC): Likewise.
 786         (BUILT_IN_REALLOC): Likewise.
 787
 788 2019-06-06  Jim Wilson  <jimw@sifive.com>
 789
 790         PR target/89955
 791         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 792         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 793         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 794
 795 2019-06-06  Martin Sebor  <msebor@redhat.com>
 796
 797         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 798         (handle_builtin_malloc): Remove trailing spaces.
 799         (handle_builtin_memset): Same.
 800         (handle_builtin_memcmp): Same.
 801         (compute_string_length): Same.
 802         (determine_min_objsize): Same.
 803         (handle_builtin_string_cmp): Same.
 804         (handle_char_store): Same.  Break up excessively long line.
 805
 806 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 807
 808         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 809         check.
 810
 811 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 812
 813         * tree-sra.c (struct access): New field grp_same_access_path.
 814         (dump_access): Dump it.
 815         (build_reconstructed_reference): New function.
 816         (build_ref_for_model): Use it if possible.
 817         (path_comparable_for_same_access): New function.
 818         (same_access_path_p): Likewise.
 819         (sort_and_splice_var_accesses): Set the new flag.
 820         (analyze_access_subtree): Likewise.
 821         (propagate_subaccesses_across_link): Propagate zero value of the new
 822         flag down the access tree.
 823
 824 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 825
 826         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 827         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 828         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 829         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 830         Add gfx906.
 831
 832 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 833
 834         PR tree-optimization/90332
 835         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 836         Handle VALS containing two vectors.
 837         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 838         to...
 839         (@aarch64_combinez<mode>): ... This.
 840         (*aarch64_combinez_be<mode>): Rename to...
 841         (@aarch64_combinez_be<mode>): ... This.
 842         (vec_init<mode><Vhalf>): New define_expand.
 843         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 844
 845 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 846
 847         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 848         library functions only when not optimizing for size.
 849         (ashlsi3): Likewise.
 850         (ashrhi3): Likewise.
 851         (ashrsi3): Likewise.
 852         (lshrhi3): Likewise.
 853         (lshrsi3): Likewise.
 854
 855 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 856
 857         PR rtl-optimization/88751
 858         * ira.c (ira): Use the number of the actually referenced registers
 859         when calculating the threshold.
 860
 861 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 862
 863         * configure: Regenerate.
 864
 865 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 866
 867         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 868         register if it is in memory, so the shift can be emulated with a rotate
 869         instruction.
 870         (ashrhi3): Likewise.
 871         (lshrhi3): Likewise.
 872
 873 2019-06-06  Martin Liska  <mliska@suse.cz>
 874
 875         PR tree-optimization/87954
 876         * match.pd: Simplify mult where both arguments are 0 or 1.
 877
 878 2019-06-06  Richard Biener  <rguenther@suse.de>
 879
 880         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 881         put equivalences on UNDEFINED ranges.
 882         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 883         Make sure to drop defs of stmts added during simplification
 884         to VARYING.
 885
 886 2019-06-06  Richard Biener  <rguenther@suse.de>
 887
 888         * tree-ssa-structalias.c: Include tree-cfg.h.
 889         (make_heapvar): Do not make heap vars artificial.
 890         (find_func_aliases_for_builtin_call): Handle stack allocation
 891         functions.
 892         (find_func_aliases): Delay processing of simple enough returns
 893         in non-IPA mode.
 894         (set_uids_in_ptset): Adjust.
 895         (find_what_var_points_to): Likewise.
 896         (solve_constraints): Do not dump points-to sets here.
 897         (compute_points_to_sets): Post-process return statements,
 898         amending the escaped solution.  Dump points-to sets afterwards.
 899         (ipa_pta_execute): Dump points-to sets.
 900
 901 2019-06-06  Martin Liska  <mliska@suse.cz>
 902
 903         PR web/87933
 904         * doc/install.texi: Fix HTML headers and
 905         titles for 'Installing GCC' pages.
 906
 907 2019-06-06  Martin Liska  <mliska@suse.cz>
 908
 909         * ipa-icf-gimple.h (dump_message_1): Remove.
 910         (dump_message): Likewise.
 911         (return_false_with_message_1): Print also file.
 912         (return_false_with_msg): Likewise.
 913         (return_with_result): Likewise.
 914         (return_with_debug): Likewise.
 915         * ipa-icf.c (sem_function::equals_private): Remove call
 916         to dump_message.
 917
 918 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 919
 920         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 921         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 922         memory operand for it.
 923         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 924
 925 2019-06-05  Martin Sebor  <msebor@redhat.com>
 926
 927         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 928         Adjust quoting and hyphenation.
 929         * convert.c (convert_to_real_1): Same.
 930         * gcc.c (driver_wrong_lang_callback): Same.
 931         (driver::handle_unrecognized_options): Same.
 932         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 933         * opts-common.c (cmdline_handle_error): Same.
 934         (read_cmdline_option): Same.
 935         * opts-global.c (complain_wrong_lang): Same.
 936         (print_ignored_options): Same.
 937         (handle_common_deferred_options): Same.
 938         * pretty-print.h: Same.
 939         * print-rtl.c (debug_bb_n_slim): Same.
 940         * sched-rgn.c (make_pass_sched_fusion): Same.
 941         * tree-cfg.c (verify_gimple_assign_unary): Same.
 942         (verify_gimple_label): Same.
 943         * tree-ssa-operands.c (verify_ssa_operands): Same.
 944         * varasm.c (do_assemble_alias): Same.
 945         (assemble_alias): Same.
 946
 947 2019-06-05  Richard Henderson  <rth@twiddle.net>
 948
 949         * config/alpha/alpha.c (direct_return): Move down after
 950         struct machine_function definition; use saved frame_size;
 951         return bool.
 952         (struct machine_function): Add sa_mask, sa_size, frame_size.
 953         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 954         (alpha_compute_frame_layout): ... new function.
 955         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 956         (alpha_initial_elimination_offset): Use saved sa_size.
 957         (alpha_vms_initial_elimination_offset): Likewise.
 958         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 959         (alpha_expand_prologue): Use saved frame data.  Merge integer
 960         and fp register save loops.
 961         (alpha_expand_epilogue): Likewise.
 962         (alpha_start_function): Use saved frame data.
 963         * config/alpha/alpha-protos.h (direct_return): Update.
 964         (alpha_sa_size): Remove.
 965
 966 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 967
 968         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 969         multiplication by a power-of-two value.
 970         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 971         and turn the modulo operation into a masking operation.
 972
 973 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 974
 975         PR debug/90733
 976         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 977         with VOIDmode inner operands.
 978
 979 2019-06-05  Richard Biener  <rguenther@suse.de>
 980
 981         PR middle-end/90726
 982         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 983         turn an expression graph into a tree.
 984
 985 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 986
 987         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 988         member.
 989         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 990         treat it like explicit monotonic schedule modifier.
 991         (expand_omp_for): Initialize has_lastprivate_conditional.
 992         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 993         schedule modifier.
 994
 995         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
 996         references, lookup in in hash map MEM_REF operand instead of the
 997         MEM_REF itself.
 998         (lower_omp_1): When looking for lastprivate conditional assignments,
 999         handle MEM_REFs with REFERENCE_TYPE operands.
1000
1001         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
1002         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
1003         and references a VLA.  Handle references to non-VLAs if is_simd
1004         all privatization clauses like reductions.
1005         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
1006         If omp_is_reference, use always omp simd arrays and set
1007         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
1008         fails, emit reference initialization.
1009
1010 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
1011
1012         PR target/89803
1013         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
1014         _mm_mask_fpclass_sd_mask): New intrinsics.
1015         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
1016         * config/i386/i386-builtin.def
1017         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
1018         New builtins.
1019         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
1020         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
1021         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
1022         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
1023         case QI_FTYPE_V2SF_INT): Ditto.
1024         * config/i386/sse.md
1025         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
1026         Extended to insnstructions with mask operands.
1027
1028 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1029
1030         * config/rs6000/constraints.md (define_register_constraint "wp"):
1031         Delete.
1032         (define_register_constraint "wq"): Delete.
1033         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1034         (rs6000_init_hard_regno_mode_ok): Adjust.
1035         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1036         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
1037         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
1038         (define_mode_attr VSa): Delete.
1039         (define_mode_attr VSisa): New.
1040         (rest of file): Adjust.
1041         * doc/md.texi (Machine Constraints): Adjust.
1042
1043 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1044
1045         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
1046         (define_attr "enabled"): Handle those new isa values.
1047
1048 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1049
1050         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
1051         (define_mode_attr VSr5): Delete.
1052         (define_mode_attr VStype_sqrt): Delete.
1053         (define_mode_iterator VSX_SPDP): Delete.
1054         (define_mode_attr VS_spdp_res): Delete.
1055         (define_mode_attr VS_spdp_insn): Delete.
1056         (define_mode_attr VS_spdp_type): Delete.
1057         (*vsx_sqrt<mode>2): Adjust.
1058         (vsx_<VS_spdp_insn>): Delete, split to...
1059         (vsx_xscvdpsp): ... this.  New.  And...
1060         (vsx_xvcvspdp): ... this.  New.  And...
1061         (vsx_xvcvdpsp): ... this.  New.
1062
1063 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1064
1065         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
1066         and V2DF.
1067         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
1068         (rest of file): Adjust.
1069
1070 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1071
1072         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
1073         (vsx_extract_<mode>_var): Ditto.
1074
1075 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1076
1077         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
1078         with just "wa".
1079
1080 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1081
1082         * config/rs6000/constraints.md (define_register_constraint "ww"):
1083         Delete.
1084         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1085         (rs6000_init_hard_regno_mode_ok): Adjust.
1086         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1087         RS6000_CONSTRAINT_ww.
1088         * config/rs6000/rs6000.md: Adjust.
1089         * config/rs6000/vsx.md: Adjust.
1090         * doc/md.texi (Machine Constraints): Adjust.
1091
1092 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1093
1094         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
1095         (define_mode_attr sd): New.
1096         (define_mode_attr s): New.
1097         (define_mode_attr Ftrad): Delete.
1098         (define_mode_attr Fvsx): Delete.
1099         (define_mode_attr Fs): Delete.
1100         (rest of file): Use the new mode attributes.
1101         * config.rs6000/vsx.md: Use the new mode attributes.
1102
1103 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1104
1105         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
1106         with just "wa".
1107
1108 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1109
1110         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
1111         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
1112         used with VSX_B, VSX_D, or VSX_F, with just "wa".
1113
1114 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
1115
1116         PR target/78263
1117         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
1118         C++ with strict ANSI requirements.
1119
1120 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
1121
1122         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
1123         computations when step is 1.
1124
1125 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1126
1127         * config/rs6000/constraints.md (define_register_constraint "wf"):
1128         Delete.
1129         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1130         (rs6000_init_hard_regno_mode_ok): Adjust.
1131         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1132         RS6000_CONSTRAINT_wf.
1133         * config/rs6000/rs6000.md: Adjust.
1134         * config/rs6000/vsx.md: Adjust.
1135         * doc/md.texi (Machine Constraints): Adjust.
1136
1137 2019-06-04  Andrew Pinski  <apinski@marvell.com>
1138
1139         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
1140         Fix ILP32 value.
1141
1142 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1143
1144         * config/rs6000/constraints.md (define_register_constraint "wd"):
1145         Delete.
1146         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1147         (rs6000_init_hard_regno_mode_ok): Adjust.
1148         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1149         RS6000_CONSTRAINT_wd.
1150         * config/rs6000/rs6000.md: Adjust.
1151         * config/rs6000/vsx.md: Adjust.
1152         * doc/md.texi (Machine Constraints): Adjust.
1153
1154 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1155
1156         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
1157         (rest of file): Adjust.
1158
1159 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1160
1161         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
1162         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
1163         (vsx_splat_<mode>_reg): Adjust.
1164
1165 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1166
1167         * config/rs6000/constraints.md (define_register_constraint "ws"):
1168         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_ws.
1173         * config/rs6000/rs6000.md: Adjust.
1174         * config/rs6000/vsx.md: Adjust.
1175         * doc/md.texi (Machine Constraints): Adjust.
1176
1177 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1178
1179         * config/rs6000/constraints.md (define_register_constraint "wv"):
1180         Delete.
1181         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1182         (rs6000_init_hard_regno_mode_ok): Adjust.
1183         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1184         RS6000_CONSTRAINT_wv.
1185         * config/rs6000/rs6000.md: Adjust.
1186         * config/rs6000/vsx.md: Adjust.
1187         * doc/md.texi (Machine Constraints): Adjust.
1188
1189 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1190
1191         * config/rs6000/constraints.md (define_register_constraint "wi"):
1192         Delete.
1193         (define_register_constraint "wt"): Delete.
1194         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1195         (rs6000_init_hard_regno_mode_ok): Adjust.
1196         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1197         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1198         * config/rs6000/rs6000.md: Adjust.
1199         * config/rs6000/vsx.md: Adjust.
1200         * doc/md.texi (Machine Constraints): Adjust.
1201
1202 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1203
1204         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1205         const.
1206         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1207         default_elf_asm_output_external.
1208
1209 2019-06-04  Martin Liska  <mliska@suse.cz>
1210
1211         * ipa-icf.c (INCLUDE_LIST): Remove.
1212         (sem_item_optimizer::execute): Remove call to init_wpa.
1213         * ipa-icf.h (init_wpa): Remove.
1214
1215 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1216
1217         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1218         conditional on combined for simd.
1219         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1220         member.
1221         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1222         constructs, don't remove lastprivate_conditional_map, but instead set
1223         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1224         to parent construct temporaries.
1225         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1226         like !ctx->lastprivate_conditional_map.
1227         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1228         use up->outer context instead of up.
1229         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1230         gimple_omp_for_combined_p.
1231         (expand_omp_for_static_nochunk): Likewise.
1232         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1233         probably moved over into expand_omp_for_generic rather than being copied
1234         there.
1235
1236 2019-06-04  Martin Liska  <mliska@suse.cz>
1237
1238         * value-prof.c (dump_histogram_value): Fix typo.
1239         (gimple_mod_subtract_transform): Likewise.
1240
1241 2019-06-04  Richard Biener  <rguenther@suse.de>
1242
1243         PR middle-end/90726
1244         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1245         (tree_contains_chrecs): Likewise.
1246         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1247         exponential behaivor from ...
1248         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1249         ... here.
1250         (expression_expensive_p): Avoid exponential behavior and compute
1251         expanded size, rejecting any expansion.
1252         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1253         (idx_contains_abnormal_ssa_name_p): Likewise.
1254         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1255         (contains_abnormal_ssa_name_p): Simplify and use
1256         walk_tree_without_duplicates.
1257
1258 2019-06-04  Richard Biener  <rguenther@suse.de>
1259
1260         PR tree-optimization/90738
1261         Revert
1262         2019-06-03  Richard Biener  <rguenther@suse.de>
1263
1264         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1265         full reference tree and record in ref->ref.
1266         (vn_reference_lookup_3): Pass in original ref to
1267         ao_ref_init_from_vn_reference.
1268         (vn_reference_lookup): Likewise.
1269         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1270         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1271         Handle non-decl bases in the original reference.
1272
1273 2019-06-04  Martin Liska  <mliska@suse.cz>
1274
1275         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1276         number of references.
1277         (sem_item_optimizer::do_congruence_step):
1278         (sem_item_optimizer::worklist_push): Dump how references
1279         a class has.
1280         (sem_item_optimizer::worklist_pop): Use heap.
1281         (sem_item_optimizer::process_cong_reduction): Likewise.
1282         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1283
1284 2019-06-04  Martin Liska  <mliska@suse.cz>
1285
1286         * ipa-icf.h (struct sem_usage_pair_hash): New.
1287         (sem_usage_pair_hash::hash): Likewise.
1288         (sem_usage_pair_hash::equal): Likewise.
1289         (struct sem_usage_hash): Likewise.
1290         * ipa-icf.c (sem_item::sem_item): Initialize
1291         referenced_by_count.
1292         (sem_item::add_reference): Register a reference
1293         in ref_map and not in target->usages.
1294         (sem_item::setup): Remove initialization of
1295         dead vectors.
1296         (sem_item::~sem_item): Remove usage of dead vectors.
1297         (sem_item::dump): Remove dump of references.
1298         (sem_item_optimizer::sem_item_optimizer): Initialize
1299         m_references.
1300         (sem_item_optimizer::read_section): Remove useless
1301         dump.
1302         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1303         (sem_item_optimizer::build_graph): Pass m_references
1304         to ::add_reference.
1305         (sem_item_optimizer::verify_classes): Remove usage of dead
1306         vectors.
1307         (sem_item_optimizer::traverse_congruence_split): Return true
1308         when a class is split.
1309         (sem_item_optimizer::do_congruence_step_for_index): Use
1310         hash_map for look up of (sem_item *, index). That brings
1311         significant speed up.
1312         (sem_item_optimizer::do_congruence_step): Return true
1313         when a split is done.
1314         (congruence_class::is_class_used): Use referenced_by_count.
1315
1316 2019-06-04  Alan Modra  <amodra@gmail.com>
1317
1318         PR target/90689
1319         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1320         error.
1321
1322 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1323
1324         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1325         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1326         (rs6000_secondary_reload_simple_move): Adjust.
1327         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1328         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1329         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1330         comment.
1331         (power6x): Adjust.
1332         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1333         (floatunssi<mode>2_lfiwzx): Adjust.
1334         (fix_trunc<mode>si2_stfiwx): Adjust.
1335         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1336         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1337         (mfpgpr): Mark as deprecated.
1338         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1339         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1340         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1341
1342 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1343
1344         * config/rs6000/constraints.md (define_register_constraint "wg"):
1345         Delete.
1346         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1347         RS6000_CONSTRAINT_wg.
1348         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1349         (rs6000_init_hard_regno_mode_ok): Adjust.
1350         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1351         Delete "wg" alternatives.
1352         * doc/md.texi (Machine Constraints): Adjust.
1353
1354 2019-06-03  Alan Modra  <amodra@gmail.com>
1355
1356         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1357         (get_uncond_jump_length): Assert length less than INT_MAX and
1358         non-negative.
1359
1360 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1361
1362         PR middle-end/64242
1363         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1364         block.
1365         (expand_builtin_nonlocal_goto): Likewise.
1366
1367 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1368
1369         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1370         (aarch64_asm_output_external): Declare.
1371         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1372         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1373         (aarch64_asm_output_alias): New.
1374         (aarch64_asm_output_external): New.
1375         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1376         (ASM_OUTPUT_EXTERNAL): Define.
1377
1378 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1379         * tree-vrp.h (value_range_base::nonzero_p): New.
1380         (value_range_base::set_nonnull): Rename to...
1381         (value_range_base::set_nonzero): ...this.
1382         (value_range_base::set_null): Rename to...
1383         (value_range_base::set_zero): ...this.
1384         (value_range::set_nonnull): Remove.
1385         (value_range::set_null): Remove.
1386         * tree-vrp.c (range_is_null): Remove.
1387         (range_is_nonnull): Remove.
1388         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1389         instead of range_is_*null.
1390         (extract_range_from_unary_expr): Same.
1391         (value_range_base::set_nonnull): Rename to...
1392         (value_range_base::set_nonzero): ...this.
1393         (value_range::set_nonnull): Remove.
1394         (value_range_base::set_null): Rename to...
1395         (value_range_base::set_zero): ...this.
1396         (value_range::set_null): Remove.
1397         (extract_range_from_binary_expr): Rename set_*null uses to
1398         set_*zero.
1399         (extract_range_from_unary_expr): Same.
1400         (union_helper): Same.
1401         * vr-values.c (get_value_range): Use set_*zero instead of
1402         set_*null.
1403         (vr_values::extract_range_from_binary_expr): Same.
1404         (vr_values::extract_range_basic): Same.
1405
1406 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1407
1408         PR driver/90684
1409         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1410
1411 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1412
1413         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1414         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1415         (aarch64_<su>abd<mode>_3): ... This.
1416         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1417
1418 2019-06-03  Richard Biener  <rguenther@suse.de>
1419
1420         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1421         full reference tree and record in ref->ref.
1422         (vn_reference_lookup_3): Pass in original ref to
1423         ao_ref_init_from_vn_reference.
1424         (vn_reference_lookup): Likewise.
1425         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1426         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1427         Handle non-decl bases in the original reference.
1428
1429 2019-06-03  Martin Liska  <mliska@suse.cz>
1430
1431         * doc/generic.texi: Remove Java Trees.
1432
1433 2019-06-03  Martin Liska  <mliska@suse.cz>
1434
1435         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1436         returns 0 when operands are equal.
1437
1438 2019-06-03  Richard Biener  <rguenther@suse.de>
1439
1440         PR tree-optimization/90716
1441         * tree-loop-distribution.c (destroy_loop): Process blocks in
1442         correct order.
1443
1444 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1445
1446         PR target/88837
1447         * vector-builder.h (vector_builder::count_dups): New method.
1448         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1449         Declare prototype.
1450         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1451         (vec_init<mode><Vel>): New pattern.
1452         * config/aarch64/aarch64.c (emit_insr): New function.
1453         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1454         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1455         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1456         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1457
1458 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1459
1460         PR tree-optimization/90681
1461         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1462         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1463         special case for SLP, but fail on non-groupped loads.
1464
1465 2019-06-03  Martin Liska  <mliska@suse.cz>
1466
1467         * cfg.c (debug): Use TDF_DETAILS for debug and
1468         print edge info only once.
1469
1470 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1471
1472         PR fortran/90539
1473         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1474
1475 2019-06-01  Martin Sebor  <msebor@redhat.com>
1476
1477         PR middle-end/90694
1478         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1479
1480 2019-05-31  Jan Hubicka  <jh@suse.cz>
1481
1482         * alias.c: Include ipa-utils.h.
1483         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1484         * ipa-devirt.c (prevailing_odr_type): New.
1485         * ipa-utils.h (previaling_odr_type): Declare.
1486
1487 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1488             Hongtao Liu  <hongtao.liu@intel.com>
1489
1490         PR target/89355
1491         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1492         NOTE_INSN_DELETED_LABEL check.
1493
1494 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1495             Robert Suchanek  <robert.suchanek@mips.com>
1496
1497         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1498         and 3rd operands of the fmadd/fmsub/maddv builtin.
1499
1500 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1501
1502         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1503         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1504         on OMP_SIMD if not nested inside of worksharing loop that also has
1505         lastprivate conditional clause for the same decl.
1506         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1507         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1508         on simd.
1509         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1510         on simd construct.
1511         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1512         on simd construct.
1513         (lower_lastprivate_clauses): Likewise.
1514         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1515         calling lower_rec_input_clauses.
1516         (lower_omp_for): Likewise.
1517         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1518         clause on simd construct.
1519         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1520         OMP_CLAUSE__CONDTEMP_ clause is present.
1521
1522         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1523         ivar and lvar.
1524
1525 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1526
1527         PR c/43673
1528         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1529         TEX_D32, TEX_D64 or TEX_D128.
1530
1531 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1532
1533         * match.pd (~(vec?cst1:cst2)): New transformation.
1534
1535 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1536
1537         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1538         ((size_t)(A /[ex] B) CMP C): New transformation.
1539
1540 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1541
1542         * doc/md.texi: Document define_insn_and_rewrite.
1543         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1544         * gensupport.c (queue_elem): Update comment.
1545         (replace_operands_with_dups): New function.
1546         (gen_rewrite_sequence): Likewise.
1547         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1548         * read-rtl.c (apply_subst_iterator): Likewise.
1549         (add_condition_to_rtx, named_rtx_p): Likewise.
1550         (rtx_reader::read_rtx_operand): Likewise.
1551         * config/aarch64/aarch64-sve.md
1552         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1553         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1554         define_insn_and_rewrite.
1555         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1556         Remove separate define_split.
1557
1558 2019-05-31  Jan Hubicka  <jh@suse.cz>
1559
1560         * tree-ssa-alias.c (type_has_components_p): New function.
1561         (aliasing_component_refs_p): Use it.
1562
1563 2019-05-31  Martin Liska  <mliska@suse.cz>
1564
1565         * gdbhooks.py: Add const_tree to TreePrinter.
1566
1567 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1568
1569         PR debug/86964
1570         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1571         * doc/invoke.texi (Debugging Options): Document new default of
1572         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1573
1574 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR tree-optimization/90671
1577         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1578         template_block used to be empty on the first call, don't use
1579         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1580         seq with bb_seq and set it with set_bb_seq.
1581
1582 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1583
1584         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1585
1586 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1587             Michael Meissner  <meissner@linux.ibm.com>
1588
1589         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1590         (prefixed_mem_operand): Likewise.
1591         (non_prefixed_mem_operand): Likewise.
1592         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1593         prototype.
1594         * config/rs6000/rs6000.c (print_operand_address): Handle
1595         PC-relative addresses.
1596         (mode_supports_prefixed_address_p): New function.
1597         (rs6000_prefixed_address): New function.
1598         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1599         (SYMBOL_REF_PCREL_P): Likewise.
1600
1601 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1602
1603         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1604         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1605         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1606         is nested inside of parallel region, add _condtemp_ clause to both.
1607         * tree-nested.c (convert_nonlocal_omp_clauses,
1608         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1609         assertion failure.
1610         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1611         member.
1612         * omp-general.c (omp_extract_for_data): Compute it.
1613         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1614         (lower_rec_input_clauses): Likewise.
1615         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1616         clause is already present, just add one further one after it.
1617         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1618         (lower_send_shared_vars): Clear _condtemp_ vars.
1619         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1620         or section or taskgroup.
1621         * omp-expand.c (determine_parallel_type): Disallow combining only if
1622         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1623         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1624         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1625         expand_omp_for_static_chunk, expand_omp_for): Use
1626         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1627         determine if a special set of API routines are needed and if condtemp
1628         needs to be initialized, while always initialize cond_var if
1629         fd->lastprivate_conditional is non-zero.
1630
1631 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1632             Michael Meissner  <meissner@linux.ibm.com>
1633
1634         * config/rs6000/constraints.md (eI): New constraint.
1635         * config/rs6000/predicates.md (cint34_operand): New predicate.
1636         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1637         (SIGNED_34BIT_OFFSET_P): Likewise.
1638         * doc/md.texi (eI): Document constraint.
1639
1640 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1641
1642         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1643
1644 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1645             Michael Meissner  <meissner@linux.ibm.com>
1646
1647         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1648         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1649         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1650         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1651         (OTHER_FUTURE_MASKS): Likewise.
1652         (POWERPC_MASKS): Likewise.
1653         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1654         specified without -mprefixed-addr or -mcpu=future.  Error if
1655         -mprefixed-addr is specified without -mcpu=future.
1656         (rs6000_opt_masks): Add entry for prefixed-addr.
1657         * rs6000.opt (mprefixed-addr): New option.
1658
1659 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1660
1661         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1662         cfun->is_thunk check.
1663
1664 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1665
1666         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1667         to length.
1668
1669 2019-05-30  Martin Liska  <mliska@suse.cz>
1670
1671         * gdbinit.in: Fix 'ptc' command.  Add trt
1672         that prints TREE_TYPE($).
1673
1674 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1675             Alan Modra  <amodra@gmail.com>
1676
1677         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1678         calls here...
1679         (rs6000_indirect_call_template_1): ...and here.
1680         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1681         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1682         rs6000_pltseq_enum.
1683         (rs6000_decl_ok_for_sibcall): New function.
1684         (rs6000_function_ok_for_sibcall): Refactor.
1685         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1686         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1687         when pcrel.  Reorganize.
1688         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1689         * rs6000.h (rs6000_pltseq_enum): New enum.
1690         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1691         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1692         (*pltseq_plt16_ha): Likewise.
1693         (*pltseq_plt16_lo): Likewise.
1694         (*pltseq_mtctr): Likewise.
1695         (*pltseq_plt_pcrel): New insn.
1696         (*call_local_aix): Handle @notoc calls.
1697         (*call_value_local_aix): Likewise.
1698         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1699         (*call_value_nonlocal_aix): Likewise.
1700         (*call_indirect_pcrel): New insn.
1701         (*call_value_indirect_pcrel): Likewise.
1702
1703
1704 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1705
1706         * config/i386/sse.md (*save_multiple<mode>): Rename from
1707         save_multiple<mode>.
1708         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1709         (*restore_multiple_and_return<mode>): Rename from
1710         restore_multiple_and_return<mode>.
1711         (*restore_multiple_leave_return<mode>): Rename from
1712         restore_multiple_leave_return<mode>.
1713
1714 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1715
1716         * config.gcc (rx-*-linux*): New target.
1717         * config/rx/elf.opt: New file.
1718         * config/rx/linux.h: Likewise.
1719         * config/rx/t-linux: Likewise.
1720         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1721         make it zero.
1722         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1723         (ASM_APP_OFF): Likewise.
1724         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1725         moved elsewhere.
1726
1727 2019-05-29  Jan Hubicka  <jh@suse.cz>
1728
1729         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1730         variants are pointer equivalent.
1731
1732 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1733
1734         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1735         * config/aarch64/aarch64-sve2.md: New file.
1736         (<u>avg<mode>3_floor): New pattern.
1737         (<u>avg<mode>3_ceil): Likewise.
1738         (*<sur>h<addsub><mode>): Likewise.
1739         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1740         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1741
1742 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR bootstrap/90543
1745         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1746         for var_opt_string printing.  In cl_optimization_print_diff, print
1747         (null) instead of invoking undefined behavior if one of the
1748         var_opt_string pointers is NULL and use && instead of first || in the
1749         guarding condition.  For var_target_other options, handle const char *
1750         target variables similarly to const char * optimize node variables.
1751
1752 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1753
1754         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1755         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1756         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1757         Add autib1716 and pacib1716 initialisation.
1758         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1759         for autib1716 and pacib1716.
1760         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1761         aarch64_post_cfi_startproc): Define.
1762         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1763         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1764         aarch64_handle_pac_ret_protection): Set default sign key to A.
1765         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1766         aarch64_expand_prologue): Add check for b-key.
1767         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1768         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1769         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1770         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1771         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1772         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1773         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1774         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1775         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1776         pauth_hint_num_a with pauth_hint_num.
1777         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1778         pauth_hint_num_a with pauth_hint_num.
1779         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1780         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1781         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1782         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1783         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1784         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1785         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1786         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1787         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1788         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1789         UNSPEC_AUTIA1716 respectively.
1790         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1791         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1792         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1793         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1794         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1795
1796 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1797
1798         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1799         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1800         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1801         explicit clause on combined parallel into implicit shared clause.
1802         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1803         and firstprivate if the decl has one too from combined parallel to
1804         the worksharing construct.
1805
1806 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1807             Michael Meissner  <meissner@linux.ibm.com>
1808
1809         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1810
1811 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1812
1813         * rtl.h (LABEL_REF_P): New #define.
1814
1815 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1816
1817         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1818
1819 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1820
1821         * internal-fn.c: Marked mask_load_direct as vectorizable.
1822         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1823         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1824         combined even if masks different with allow_slp_p param.
1825         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1826         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1827         dissolve SLP-only vectorizable groups when SLP has been discarded.
1828         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1829         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1830         masks.
1831         (vect_build_slp_tree_1): Fixed comment typo.
1832         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1833         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1834         loads for SLP only.
1835         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1836         vectorizable.
1837         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1838
1839 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1840
1841         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1842         Remove obsolete use_thunk reference.
1843         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1844         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1845         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1846         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1847         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1848         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1849         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1850         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1851         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1852
1853 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1854
1855         * tree.h (IDENTIFIER_ANON_P): New.
1856         (anon_aggrname_format, anon_aggname_p): Don't declare.
1857         (make_anon_name): Declare.
1858         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1859         (hash_tree): Likewise.
1860         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1861         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1862         (anon_cnt, make_anon_name): New.
1863
1864 2019-05-28  Martin Liska  <mliska@suse.cz>
1865
1866         PR other/90315
1867         * opts-global.c (decode_options): Print help for all
1868         help_option_arguments.
1869         * opts.c (print_help): Add new argument.
1870         (common_handle_option): Remember all values into
1871         help_option_arguments.
1872         * opts.h (print_help): Add new argument.
1873
1874 2019-05-28  Martin Liska  <mliska@suse.cz>
1875
1876         PR ipa/90555
1877         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1878         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1879         (func_checker::compare_bb): Call compare_loops.
1880
1881 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1882
1883         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1884         on sections construct.
1885         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1886         construct.
1887         (lower_omp_sections): Handle lastprivate conditional.
1888         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1889         lastprivate_conditional_map.
1890         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1891
1892         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1893         critical, taskgroup and section regions when looking for a region
1894         with non-NULL lastprivate_conditional_map.
1895
1896 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1897
1898         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1899         (*ix86_gen_sub3): Ditto.
1900         (*ix86_gen_sub3_carry): Ditto.
1901         (*ix86_gen_one_cmpl2): Ditto.
1902         (*ix86_gen_andsp): Ditto.
1903         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1904         (gen_and2_insn): New static function.
1905         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1906         Use gen_add3_insn instead of ix86_gen_add3.
1907         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1908         instead of ix86_gen_add3.
1909         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1910         Use gen_sub3_insn instead of ix86_gen_sub3.
1911         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1912         instead of ix86_gen_add3.
1913         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1914         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1915         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1916         * config/i386/i386-options.c (ix86_option_override_internal):
1917         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1918         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1919
1920 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1921
1922         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1923         and DW_OP_GNU_const_index opcodes.
1924
1925 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1926
1927         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1928
1929 2019-05-27  Richard Biener  <rguenther@suse.de>
1930
1931         PR tree-optimization/90637
1932         * tree-ssa-sink.c (statement_sink_location): Honor the
1933         computed sink location for single-uses.
1934
1935 2019-05-27  Richard Biener  <rguenther@suse.de>
1936
1937         PR middle-end/90610
1938         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1939         a bit-insert.
1940
1941 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1942
1943         * config/i386/i386.md (@sub<mode>3_carry): Rename
1944         from sub<mode>3_carry.
1945         (@leave_<mode>): New expander.
1946         (*leave): Rename from leave.
1947         (*leave_rex64): Rename from leave_rex64.
1948         (@monitorx_<mode>): Rename from monitorx_<mode>.
1949         (@clzero_<mode>): Rename from clzero_<mode>.
1950         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1951         from sse3_monitor_<mode>.
1952         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1953         (*ix86_gen_leave): Ditto.
1954         (*ix86_gen_monitor): Ditto.
1955         (*ix86_gen_monitorx): Ditto.
1956         (*ix86_gen_clzero): Ditto.
1957         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1958         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1959         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1960         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1961         Use gen_sse3_monitor instead of ix86_gen_monitor.
1962         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1963         instead of ix86_gen_monitorx.
1964         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1965         instead of ix86_gen_clzero.
1966         * config/i386/i386-options.c (ix86_option_override_internal):
1967         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1968         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1969
1970 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1971
1972         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1973         Rename from tls_global_dynamic_64_<mode>.
1974         (@tls_local_dynamic_base_64_<mode>): Rename from
1975         tls_local_dynamic_base_64_<mode>.
1976         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1977         Remove indirect function.
1978         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1979         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1980         instead of ix86_gen_tls_global_dynamic_64.
1981         Use gen_tls_local_dynamic_base_64 instead of
1982         ix86_gen_tls_local_dynamic_base_64.
1983         * config/i386/i386-options.c (ix86_option_override_internal):
1984         Do not initialize ix86_gen_tls_global_dynamic_64 and
1985         ix86_gen_tls_local_dynamic_base_64.
1986
1987 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1988
1989         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1990         Rename from pro_epilogue_adjust_stack_<mode>_add.
1991         (@pro_epilogue_adjust_stack_sub_<mode>)
1992         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1993         (@allocate_stack_worker_probe_<mode>):
1994         Rename from allocate_stack_worker_probe_<mode>.
1995         (allocate_stack): Use gen_allocate_stack_worker_probe.
1996         (probe_stack): Use gen_probe_stack_1.
1997         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
1998         (@adjust_stack_and_probe_<mode>): Rename from
1999         adjust_stack_and_probe<mode>.
2000         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
2001         (stack_protect_set): Use gen_stack_protect_set_1.
2002         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
2003         (stack_protect_test): Use gen_stack_protect_test_1.
2004         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
2005         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
2006         Remove indirect function.
2007         (*ix86_gen_adjust_stack_and_probe): Ditto.
2008         (*ix86_gen_probe_stack_range): Ditto.
2009         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
2010         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
2011         (ix86_adjust_stack_and_probe_stack_clash): Use
2012         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
2013         (ix86_adjust_stack_and_probe): Ditto.
2014         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
2015         of ix86_gen_probe_stack_range.
2016         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
2017         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
2018         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
2019         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
2020         CODE_FOR_stack_protect_test_{si,di}.
2021         * config/i386/i386-options.c (ix86_option_override_internal):
2022         Do not initialize ix86_gen_allocate_stack_worker,
2023         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2024
2025 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
2026
2027         * doc/invoke.texi (Link Options): Many editorial changes around
2028         -flinker-output.
2029
2030 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2031
2032         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
2033         pre-Solaris 11 referene and most Studio compiler details.
2034
2035 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
2036
2037         PR target/90530
2038         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
2039         DImode to SImode in floating-point registers on 64-bit target.
2040         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
2041         register_operand in xmpyu patterns.
2042
2043 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2044
2045         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
2046         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
2047         OMP_CLAUSE__REDUCTEMP_.
2048         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
2049         OMP_CLAUSE__CONDTEMP_.
2050         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
2051         * tree-pretty-print.c (dump_omp_clause): Likewise.
2052         * tree-nested.c (convert_nonlocal_omp_clauses,
2053         convert_local_omp_clauses): Likewise.
2054         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
2055         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
2056         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
2057         on OMP_FOR.
2058         (gimplify_omp_for): Warn and disable conditional modifier from
2059         lastprivate on loop iterators.
2060         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
2061         member.
2062         * omp-general.c (omp_extract_for_data): Initialize it.
2063         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
2064         member.
2065         (delete_omp_context): Delete it.
2066         (lower_lastprivate_conditional_clauses): New function.
2067         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
2068         handle lastprivate conditional clauses.
2069         (lower_reduction_clauses): Add CLIST argument, emit it into
2070         the critical section if any.
2071         (lower_omp_sections): Adjust lower_lastprivate_clauses and
2072         lower_reduction_clauses callers.
2073         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
2074         to lower_lastprivate_clauses.
2075         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
2076         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
2077         clist into a critical section if not emitted there already by
2078         lower_reduction_clauses.
2079         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
2080         callers.
2081         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
2082         conditional variables.
2083         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
2084         clause is present.
2085         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2086         expand_omp_for_static_chunk): Handle lastprivate conditional.
2087         (expand_omp_for): Handle fd.lastprivate_conditional like
2088         fd.have_reductemp.
2089
2090 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2091
2092         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
2093         kernel does not exit cleanly.
2094         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
2095
2096 2019-05-24  Jason Merrill  <jason@redhat.com>
2097
2098         Revert:
2099         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2100
2101 2019-05-24  Richard Biener  <rguenther@suse.de>
2102
2103         PR testsuite/90607
2104         * tree-loop-distribution.c (struct partition): Add location
2105         member.
2106         (partition_alloc): Initialize all fields.
2107         (generate_memset_builtin): Use the location recorded in the
2108         partition for the generated call.
2109         (generate_memcpy_builtin): Likewise.
2110         (classify_partition): Record the location of a single store
2111         as location for the partition.
2112
2113 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2114
2115         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
2116         for lo-part.
2117
2118 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
2119
2120         PR target/90588
2121         * common/config/aarch64/aarch64-common.c
2122         (aarch64_rewrite_selected_cpu): Change local temporary variable
2123         type from unsigned long to uint64_t.
2124         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
2125         aarch64_get_extension_string_for_isa_flags): Change declaration to
2126         match new definition by replacing unsigned long with uint64_t.
2127
2128 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2129
2130         PR target/90568
2131         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
2132         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
2133         Handle stack_protect_test_<mode> codegen similarly to corresponding
2134         sub instruction.
2135
2136 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
2137
2138        * config/i386/darwin.h: Reject -mfentry*.
2139        * doc/sourcebuild.texi: Document mfentry target support.
2140
2141 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2142
2143         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
2144         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
2145         false for PC-relative functions.
2146         (rs6000_output_function_prologue): Change called function name to
2147         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
2148         name,1" for PC-relative functions.
2149         (rs6000_elf_declare_function_name): Change called function name to
2150         rs6000_global_entry_point_prologue_needed_p.
2151
2152 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
2153
2154         PR target/90552
2155         * config/i386/i386.c (gen_rtx_cost):
2156         Use ix86_tune_cost instead of ix86_cost.
2157
2158 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2159             Michael Meissner  <meissner@linux.ibm.com>
2160             Segher Boessenkool  <segher@kernel.crashing.org>
2161
2162         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
2163         OPTION_MASK_PCREL.
2164         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
2165         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
2166         (rs6000_fndecl_pcrel_p): Likewise.
2167         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
2168         error if -mpcrel is requested without -mcpu=future.
2169         (rs6000_opt_masks): Add entry for pcrel.
2170         (rs6000_fndecl_pcrel_p): New function.
2171         (rs6000_pcrel_p): Likewise.
2172         * config/rs6000/rs6000.opt (mpcrel): New option.
2173         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
2174
2175 2019-05-23  Jan Hubicka  <jh@suse.cz>
2176             Martin Liska  <mliska@suse.cz>
2177
2178         PR tree-optimization/90576
2179         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
2180         poly_int_tree_p.
2181         (aliasing_component_refs_p): Fix three way size compare conditional;
2182         give up earlier in case we can not decide on equivalence.
2183
2184 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2185             Michael Meissner  <meissner@linux.ibm.com>
2186             Segher Boessenkool  <segher@kernel.crashing.org>
2187
2188         * config.gcc: Add future cpu.
2189         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
2190         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
2191         #define.
2192         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2193         (RS6000_CPU): New instantiation for future cpu.
2194         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2195         PROCESSOR_FUTURE.
2196         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2197         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2198         * config/rs6000/rs6000-tables.opt: Regenerate.
2199         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2200         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2201         (rs6000_machine_from_flags): Handle future cpu.
2202         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2203         PROCESSOR_POWER9 for now.
2204         (rs6000_adjust_cost): Likewise.
2205         (rs6000_issue_rate): Likewise.
2206         (rs6000_register_move_cost): Likewise.
2207         (rs6000_opt_masks): Add entry for future.
2208         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2209         (MASK_FUTURE): New #define.
2210         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2211         * config/rs6000/rs6000.opt (mfuture): New target option.
2212         * doc/invoke.texi (mcpu): Add future cpu.
2213
2214 2019-05-23  Martin Liska  <mliska@suse.cz>
2215
2216         PR c++/90587
2217         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2218         operation points to a temporary (pointed via tree_to_wide_ref)
2219         that is out of scope after the &.
2220
2221 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2222
2223         PR c++/90592
2224         * doc/extend.texi (Function Names): Add missing word.
2225
2226 2019-05-23  Richard Biener  <rguenther@suse.de>
2227
2228         PR tree-optimization/88440
2229         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2230         at -O[2s]+.
2231         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2232         generated call.
2233         (generate_memcpy_builtin): Likewise.
2234         (distribute_loop): Pass in whether to only distribute patterns.
2235         (prepare_perfect_loop_nest): Also allow size optimization.
2236         (pass_loop_distribution::execute): When optimizing a loop
2237         nest for size allow pattern replacement.
2238
2239 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR target/90568
2242         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2243         of xor.
2244
2245 2019-05-23  Martin Liska  <mliska@suse.cz>
2246
2247         PR sanitizer/90570
2248         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2249         expression similarly to gimplify_decl_expr.
2250
2251 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2252
2253         * cse.c (cse_dump_path): s/dump_file/f.
2254
2255 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2256
2257         PR c++/90462
2258         * diagnostic-format-json.cc: Include "selftest.h".
2259         (json_from_expanded_location): Only add "file" key for non-NULL
2260         file strings.
2261         (json_from_location_range): Don't add "start" and "finish"
2262         children if they are UNKNOWN_LOCATION.
2263         (selftest::test_unknown_location): New selftest.
2264         (selftest::test_bad_endpoints): New selftest.
2265         (selftest::diagnostic_format_json_cc_tests): New function.
2266         * json.cc (json::object::get): New function.
2267         (selftest::test_object_get): New selftest.
2268         (selftest::json_cc_tests): Call it.
2269         * json.h (json::object::get): New decl.
2270         * selftest-run-tests.c (selftest::run_tests): Call
2271         selftest::diagnostic_format_json_cc_tests.
2272         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2273         decl.
2274
2275 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2276             Andrew Stubbs  <amd@codesourcery.com>
2277
2278         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2279         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2280         (kernel): Rename to...
2281         (main_kernel): ... this.
2282         (load_image): Load _init_array and _fini_array kernels.
2283         (run): Add argument for kernel to run.
2284         (main): Run init_array_kernel before main_kernel, and
2285         fini_array_kernel after.
2286         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2287         amdgpu_hsa_kernel attribute on functions.
2288         (gcn_disable_constructors): Delete.
2289         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2290         * config/gcn/crt0.c (size_t): Define.
2291         (_init_array, _fini_array): New.
2292         (__preinit_array_start, __preinit_array_end,
2293         __init_array_start, __init_array_end,
2294         __fini_array_start, __fini_array_end): Declare weak references.
2295
2296 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2297
2298         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2299
2300 2019-05-22  Jason Merrill  <jason@redhat.com>
2301
2302         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2303
2304 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2305
2306         PR target/88483
2307         * config/i386/i386-options.c (ix86_init_machine_status): Set
2308         stack_frame_required to true.
2309         * config/i386/i386.c (ix86_get_frame_size): New function.
2310         (ix86_frame_pointer_required): Replace get_frame_size with
2311         ix86_get_frame_size.
2312         (ix86_compute_frame_layout): Likewise.
2313         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2314         stack_frame_required.
2315         (ix86_finalize_stack_frame_flags): Always call
2316         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2317         ix86_get_frame_size.
2318         * config/i386/i386.h (machine_function): Add stack_frame_required.
2319
2320 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2321
2322         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2323
2324 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2325
2326         * common/config/aarch64/aarch64-common.c
2327         (struct aarch64_option_extension, struct processor_name_to_arch,
2328         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2329         aarch64_contains_opt,
2330         aarch64_get_extension_string_for_isa_flags): Change type of
2331         variables storing flags to uint64_t.
2332         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2333         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2334         * config/aarch64/aarch64.c (struct processor,
2335         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2336         aarch64_validate_march, aarch64_override_options,
2337         aarch64_option_print, aarch64_handle_attr_isa_flags,
2338         aarch64_declare_function_name, aarch64_start_file): Make flag
2339         variables uint64_t.
2340         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2341         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2342         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2343         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2344         * config/aarch64/driver-aarch64.c
2345         (struct aarch64_arch_extension, struct aarch64_core_data,
2346         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2347         flag variables uint64_t.
2348         * doc/invoke.texi: Add documentation for new arguments.
2349
2350 2019-05-22  Richard Biener  <rguenther@suse.de>
2351
2352         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2353         rewrite ...
2354         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2355
2356 2019-05-22  Martin Liska  <mliska@suse.cz>
2357
2358         PR lto/90500
2359         * doc/extend.texi: Document the change.
2360
2361 2019-05-22  Richard Biener  <rguenther@suse.de>
2362
2363         PR tree-optimization/90450
2364         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2365         (mem_ref_hasher::equal): Check it.
2366         (mem_ref_alloc): Initialize it.
2367         (gather_mem_refs_stmt): Set it.
2368
2369 2019-05-22  Richard Biener  <rguenther@suse.de>
2370
2371         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2372         Add ABS_EXPR.
2373         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2374         as ABSU_EXPR.
2375
2376 2019-05-22  Alan Modra  <amodra@gmail.com>
2377
2378         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2379         (ASM_CPU_SPEC): Conditionally add -many.
2380         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2381         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2382         (rs6000_file_start): ..extracted from here, and modified to
2383         test all ISA bits.
2384         (rs6000_output_function_prologue): Emit .machine as necessary.
2385         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2386         power mnemonics.
2387         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2388         added by check_vect_support_and_set_flags.
2389         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2390         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2391
2392 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2393
2394         PR middle-end/90553
2395         * ira-lives.c (process_bb_node_lives): Consider defs
2396         for a call insn to be die before the call, not after.
2397
2398         * function.c (assign_parm_setup_block): Raise alignment of
2399         stacked parameter only for STRICT_ALIGNMENT targets.
2400
2401 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2402
2403         * config/rs6000/constraints.md (define_register_constraint "wz"):
2404         Delete.
2405         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2406         RS6000_CONSTRAINT_wz.
2407         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2408         (rs6000_init_hard_regno_mode_ok): Adjust.
2409         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2410         * doc/md.texi (Machine Constraints): Adjust.
2411
2412 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2413
2414         * config/rs6000/constraints.md (define_register_constraint "wl"):
2415         Delete.
2416         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2417         RS6000_CONSTRAINT_wl.
2418         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2419         (rs6000_init_hard_regno_mode_ok): Adjust.
2420         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2421         * doc/md.texi (Machine Constraints): Adjust.
2422
2423 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2424
2425         * config/rs6000/constraints.md (define_register_constraint "wm"):
2426         Delete.
2427         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2428         RS6000_CONSTRAINT_wm.
2429         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2430         (rs6000_init_hard_regno_mode_ok): Adjust.
2431         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2432         * doc/md.texi (Machine Constraints): Adjust.
2433
2434 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2435
2436         * config/rs6000/constraints.md (define_register_constraint "wk"):
2437         Delete.
2438         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2439         RS6000_CONSTRAINT_wk.
2440         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2441         (rs6000_init_hard_regno_mode_ok): Adjust.
2442         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2443         * doc/md.texi (Machine Constraints): Adjust.
2444
2445 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2446
2447         * config/rs6000/constraints.md (define_register_constraint "wj"):
2448         Delete.
2449         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2450         RS6000_CONSTRAINT_wj.
2451         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2452         (rs6000_init_hard_regno_mode_ok): Adjust.
2453         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2454         (VS_64dm): Delete.
2455         * config/rs6000/vsx.md: Ditto.
2456         * doc/md.texi (Machine Constraints): Adjust.
2457
2458 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2459
2460         * config/rs6000/constraints.md (define_register_constraint "wh"):
2461         Delete.
2462         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2463         RS6000_CONSTRAINT_wh.
2464         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2465         (rs6000_init_hard_regno_mode_ok): Adjust.
2466         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2467         * doc/md.texi (Machine Constraints): Adjust.
2468
2469 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2470
2471         PR target/90547
2472         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2473         Avoid calling gen_lowpart with CONST operand.
2474
2475 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2476
2477         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2478         field template_last_to_copy.
2479         (ssa_create_duplicates): Set it, and use it.  Attempt to
2480         preserve more debug stmts.
2481
2482 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2483
2484         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2485         (signbit<mode>2): New expander
2486
2487 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2488
2489         PR bootstrap/87338
2490         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2491         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2492
2493 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2494
2495         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2496         %ebx and %ecx bafore calling cpuid with leaf 1 or
2497         non-constant leaf argument.
2498
2499 2019-05-21  Alan Modra  <amodra@gmail.com>
2500
2501         PR target/90545
2502         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2503         power9 direct move cost.
2504         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2505         Correct comments and rename functions to suit parameters.
2506
2507 2019-05-21  Richard Biener  <rguenther@suse.de>
2508
2509         PR middle-end/90510
2510         * fold-const.c (fold_read_from_vector): New function.
2511         * fold-const.h (fold_read_from_vector): Declare.
2512         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2513         single-element insert permutations.  Canonicalize selector
2514         further and fix issue with last commit.
2515
2516 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2517
2518         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2519         parameter with default value false to declaration.
2520         (split_edges_for_insertion): New inline function.  Wrapper for
2521         split_critical_edges with for_edge_insertion_p = true.
2522         * tree-cfg.c (split_critical_edges): Don't split non-critical
2523         edges if for_edge_insertion_p is false.  Fix whitespace.
2524         * tree-ssa-pre.c (pass_pre::execute): Call
2525         split_edges_for_insertion instead of split_critical_edges.
2526         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2527         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2528         (pass_data_sink_code): Update function name in the comment.
2529
2530 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2531
2532         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2533         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2534         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2535         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2536         positives.
2537
2538 2019-05-21  Martin Liska  <mliska@suse.cz>
2539
2540         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2541         an extra newline.
2542         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2543         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2544         vec_lvsr.
2545         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2546         Quote a C type.
2547         (rs6000_function_arg): Likewise.
2548         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2549         (rs6000_expand_ternop_builtin): Use interval syntax.
2550         (get_element_number): Likewise.
2551         (altivec_expand_builtin): Likewise.
2552         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2553
2554 Fix test-suite.
2555
2556 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2557
2558         PR c++/59813
2559         PR target/90418
2560         * function.h (struct function): Add calls_eh_return member.
2561         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2562         gimplifying __builtin_eh_return call.
2563         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2564         to cfun.
2565         (expand_call_inline): Or in src_cfun->calls_eh_return into
2566         dst_cfun->calls_eh_return.
2567         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2568         cfun->calls_eh_return.
2569         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2570         * lto-streamer-out.c (output_struct_function_base): Write
2571         calls_eh_return.
2572
2573 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2574
2575         PR rtl-optimization/43147
2576         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2577         IX86_BUILTIN_SHUFPD.
2578
2579 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2580
2581         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2582         (refs_may_alias_p_1): ... here; update stats.
2583         (refs_may_alias_p): Do not update stats here.
2584
2585 2019-05-20  Richard Biener  <rguenther@suse.de>
2586
2587         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2588         doesn't produce pointers.
2589         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2590         the first operand points to.
2591
2592 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2593
2594         * tree-ssa-alias.c (compare_sizes): New function.
2595         (sompare_type_sizes): New function
2596         (aliasing_component_refs_p): Use it.
2597         (indirect_ref_may_alias_decl_p): Likewise.
2598
2599 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2600
2601         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2602
2603 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2604
2605         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2606         (LIBLSAN_EARLY_SPEC): Likewise.
2607         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2608
2609 2019-05-20  Martin Liska  <mliska@suse.cz>
2610
2611         * config/i386/i386.c (ix86_libc_has_fast_function):
2612         Add ATTRIBUTE_UNUSED for the argument.
2613
2614 2019-05-20  Richard Biener  <rguenther@suse.de>
2615
2616         * gimple-match-head.c: Include vec-perm-indices.h.
2617         * generic-match-head.c: Likewise.
2618         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2619         is included.
2620         * fold-const.c (fold_vec_perm): Export.
2621         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2622         (match.pd): ...here.
2623
2624 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2625
2626         * cfgloop.h (struct loop): Add simdlen member.
2627         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2628         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2629         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2630         as new argument to autovectorize_vector_sizes target hook.  If
2631         loop->simdlen, pick up vector size where the vectorization factor
2632         is equal to loop->simd, and if there is none, fall back to the first
2633         successful one.
2634         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2635         caller.
2636         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2637         * omp-general.c (omp_max_vf): Likewise.
2638         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2639         * tree-vect-slp.c (vect_slp_bb): Likewise.
2640         * target.def (autovectorize_vector_sizes): Add ALL argument and
2641         document it.
2642         * doc/tm.texi: Adjust documentation.
2643         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2644         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2645         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2646         bool argument.
2647         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2648         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2649         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2650         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2651         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2652         preferred vector size is not 512-bit or 256-bit, just put those
2653         unpreferred ones last.
2654
2655 2019-05-20  Martin Liska  <mliska@suse.cz>
2656
2657         * targhooks.c (default_libc_has_fast_function): New function.
2658         * targhooks.h (default_libc_has_fast_function): Likewise.
2659
2660 2019-05-20  Martin Liska  <mliska@suse.cz>
2661
2662         PR middle-end/90263
2663         * builtins.c (expand_builtin_memory_copy_args): When having a
2664         target with fast mempcpy implementation do now use memcpy.
2665         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2666         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2667         * doc/tm.texi: Likewise.
2668         * doc/tm.texi.in: Likewise.
2669         * target.def:
2670         * expr.c (emit_block_move_hints): Add 2 new arguments.
2671         * expr.h (emit_block_move_hints): Bail out when libcall
2672         to memcpy would be used.
2673
2674 2019-05-20  Martin Liska  <mliska@suse.cz>
2675
2676         * profile-count.c: Add vertical spacing in order
2677         to separate functions.
2678         * profile-count.h: Likewise.
2679
2680 2019-05-20  Martin Liska  <mliska@suse.cz>
2681
2682         * profile-count.h: Do not use full qualified
2683         names if possible.
2684         * profile-count.c (profile_count::to_frequency): Likewise.
2685
2686 2019-05-20  Martin Liska  <mliska@suse.cz>
2687
2688         * profile-count.h (enum profile_quality): Use capital letters
2689         for enum value names.  Use the adjusted names.
2690         * profile-count.c: Use the adjusted names.
2691
2692 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2693
2694         * config/rs6000/constraints.md (define_register_constraint "wH"):
2695         Delete.
2696         (define_register_constraint "wI"): Delete.
2697         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2698         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2699         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2700         (rs6000_init_hard_regno_mode_ok): Adjust.
2701         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2702         resp. "d", or with "wa" as appropriate, all with "p8v".
2703         * config/rs6000/vsx.md: Ditto.
2704         * doc/md.texi (Machine Constraints): Adjust.
2705
2706 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2707
2708         * config/rs6000/constraints.md (define_register_constraint "wy"):
2709         Delete.
2710         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2711         RS6000_CONSTRAINT_wy.
2712         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2713         (rs6000_init_hard_regno_mode_ok): Adjust.
2714         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2715         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2716         (define_mode_attr Fisa): New.
2717         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2718         * doc/md.texi (Machine Constraints): Adjust.
2719
2720 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2721
2722         * config/rs6000/constraints.md (define_register_constraint "wu"):
2723         Delete.
2724         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2725         RS6000_CONSTRAINT_wu.
2726         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2727         (rs6000_init_hard_regno_mode_ok): Adjust.
2728         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2729         both with "p8v".
2730         (define_mode_attr Fa): Delete.
2731         * config/rs6000/vsx.md: Ditto.
2732         * doc/md.texi (Machine Constraints): Adjust.
2733
2734 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2735
2736         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2737         Delete.
2738         (define_register_constraint "wK"): Delete.
2739         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2740         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2741         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2742         (rs6000_init_hard_regno_mode_ok): Adjust.
2743         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2744         Replace "wK" constraint by "wH" with "p9v".
2745         * config/rs6000/vsx.md: Ditto.
2746         * doc/md.texi (Machine Constraints): Adjust.
2747
2748 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2749
2750         * config/rs6000/constraints.md (define_register_constraint "wb"):
2751         Delete.
2752         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2753         RS6000_CONSTRAINT_wb.
2754         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2755         (rs6000_init_hard_regno_mode_ok): Adjust.
2756         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2757         * config/rs6000/vsx.md: Ditto.
2758         * doc/md.texi (Machine Constraints): Adjust.
2759
2760 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2761
2762         * config/rs6000/constraints.md (define_register_constraint "wo"):
2763         Delete.
2764         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2765         RS6000_CONSTRAINT_wo.
2766         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2767         (rs6000_init_hard_regno_mode_ok): Adjust.
2768         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2769         * config/rs6000/altivec.md: Ditto.
2770         * doc/md.texi (Machine Constraints): Adjust.
2771
2772 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2773
2774         * config/darwin-c.c (darwin_register_objc_includes): Do not
2775         prepend the sysroot when building gnu-runtime header search
2776         paths.
2777
2778 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2779
2780         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2781         instead of direct output of the asm.
2782
2783 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2784
2785         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2786         argument to be type bool (was int before).
2787         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2788         at first use.  Use type bool for some variables.  Fix a theoretical
2789         eh_return bug for svr4.
2790
2791 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2792
2793         * config/rs6000/rs6000.md (isa): New attribute.
2794         (enabled): New attribute.
2795
2796 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2797
2798         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2799         assemble_start_function and assemble_end_function.
2800
2801 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2802
2803         PR middle-end/89433
2804         * omp-general.c (oacc_verify_routine_clauses): Change formal
2805         parameters.  Add checking if already marked with an OpenACC
2806         'routine' directive.  Adjust all users.
2807
2808         PR middle-end/89433
2809         * omp-general.c (oacc_build_routine_dims): Move some of its
2810         processing into...
2811         (oacc_verify_routine_clauses): ... this new function.
2812         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2813
2814 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2815
2816         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2817         formating of picbase labels to match other ports.
2818
2819 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2820
2821         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2822         in the generated code.
2823
2824 2019-05-16  Martin Sebor  <msebor@redhat.com>
2825
2826         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2827         identifiers, keywords, operators, and types in diagnostics.  Correct
2828         quoting, spelling, and sentence capitalization issues.
2829         (expand_builtin_atomic_is_lock_free): Same.
2830         (fold_builtin_next_arg): Same.
2831         * cfgexpand.c (expand_one_var): Same.
2832         (tree_conflicts_with_clobbers_p): Same.
2833         (expand_asm_stmt): Same.
2834         (verify_loop_structure): Same.
2835         * cgraphunit.c (process_function_and_variable_attributes): Same.
2836         * collect-utils.c (collect_execute): Same.
2837         * collect2.c (maybe_run_lto_and_relink): Same.
2838         (is_lto_object_file): Same.
2839         (scan_prog_file): Same.
2840         * convert.c (convert_to_real_1): Same.
2841         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2842         * except.c (verify_eh_tree): Same.
2843         * gcc.c (execute): Same.
2844         (eval_spec_function): Same.
2845         (run_attempt): Same.
2846         (driver::set_up_specs): Same.
2847         (compare_debug_auxbase_opt_spec_function): Same.
2848         * gcov-tool.c (unlink_gcda_file): Same.
2849         (do_merge): Same.
2850         (do_rewrite): Same.
2851         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2852         * gimplify.c (gimplify_asm_expr): Same.
2853         (gimplify_adjust_omp_clauses): Same.
2854         * hsa-gen.c (gen_hsa_addr_insns): Same.
2855         (gen_hsa_insns_for_load): Same.
2856         (gen_hsa_cmp_insn_from_gimple): Same.
2857         (gen_hsa_insns_for_operation_assignment): Same.
2858         (gen_get_level): Same.
2859         (gen_hsa_alloca): Same.
2860         (omp_simple_builtin::generate): Same.
2861         (gen_hsa_atomic_for_builtin): Same.
2862         (gen_hsa_insns_for_call): Same.
2863         * input.c (dump_location_info): Same.
2864         * ipa-devirt.c (compare_virtual_tables): Same.
2865         * ira.c (ira_setup_eliminable_regset): Same.
2866         * lra-assigns.c (lra_assign): Same.
2867         * lra-constraints.c (lra_constraints): Same.
2868         * lto-streamer-in.c (lto_input_mode_table): Same.
2869         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2870         (merge_and_complain): Same.
2871         (compile_offload_image): Same.
2872         (compile_images_for_offload_targets): Same.
2873         (debug_objcopy): Same.
2874         (run_gcc): Same.
2875         (main): Same.
2876         * opts.c (print_specific_help): Same.
2877         (parse_no_sanitize_attribute): Same.
2878         (print_help): Same.
2879         (handle_param): Same.
2880         * plugin.c (add_new_plugin): Same.
2881         (parse_plugin_arg_opt): Same.
2882         (try_init_one_plugin): Same.
2883         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2884         operators, and types in diagnostics.  Correct quoting and spelling
2885         issues.
2886         * read-rtl-function.c (parse_edge_flag_token): Same.
2887         (function_reader::parse_enum_value): Same.
2888         * reg-stack.c (check_asm_stack_operands): Same.
2889         * regcprop.c (validate_value_data): Same.
2890         * sched-rgn.c (make_pass_sched_fusion): Same.
2891         * stmt.c (check_unique_operand_names): Same.
2892         * targhooks.c (default_target_option_pragma_parse): Same.
2893         * tlink.c (recompile_files): Same.
2894         * toplev.c (process_options): Same.
2895         (do_compile): Same.
2896         * trans-mem.c (diagnose_tm_1): Same.
2897         (ipa_tm_scan_irr_block): Same.
2898         (ipa_tm_diagnose_transaction): Same.
2899         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2900         format a tree code name in a diagnostic.
2901         (verify_types_in_gimple_min_lval): Same.
2902         (verify_types_in_gimple_reference): Same.
2903         (verify_gimple_call): Same.
2904         (verify_gimple_assign_unary): Same.
2905         (verify_gimple_assign_binary): Same.
2906         (verify_gimple_assign_ternary): Same.
2907         (verify_gimple_assign_single): Same.
2908         (verify_gimple_switch): Same.
2909         (verify_gimple_label): Same.
2910         (verify_gimple_phi): Same.
2911         (verify_gimple_in_seq): Same.
2912         (verify_eh_throw_stmt_node): Same.
2913         (collect_subblocks): Same.
2914         (gimple_verify_flow_info): Same.
2915         (do_warn_unused_result): Same.
2916         * tree-inline.c (expand_call_inline): Same.
2917         * tree-into-ssa.c (update_ssa): Same.
2918         * tree.c (tree_int_cst_elt_check_failed): Same.
2919         (tree_vec_elt_check_failed): Same.
2920         (omp_clause_operand_check_failed): Same.
2921         (verify_type_variant): Same.
2922         (verify_type): Same.
2923         * value-prof.c (verify_histograms): Same.
2924         * varasm.c (assemble_start_function): Same.
2925
2926 2019-05-16  Martin Sebor  <msebor@redhat.com>
2927
2928         * config/i386/i386-expand.c (get_element_number): Quote keywords
2929         and other internal names in diagnostics.  Adjust other diagnostic
2930         formatting issues noted by -Wformat-diag.
2931         * config/i386/i386-features.c
2932         (ix86_mangle_function_version_assembler_name): Same.
2933         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2934         * config/i386/i386.c (ix86_function_type_abi): Same.
2935         (ix86_function_ms_hook_prologue): Same.
2936         (classify_argument): Same.
2937         (ix86_expand_prologue): Same.
2938         (ix86_md_asm_adjust): Same.
2939         (ix86_memmodel_check): Same.
2940
2941 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2942
2943         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2944         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2945         and fpxx modes.
2946
2947 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2948
2949         PR target/90497
2950         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2951         intrinsics without SSE/SSE2/SSSE3.
2952         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2953         check.
2954         (*mmx_uavgv8qi3): Likewise.
2955
2956 2019-05-17  Richard Biener  <rguenther@suse.de>
2957
2958         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2959         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2960
2961 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2962
2963         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2964         vec_sldw insn pattern.
2965
2966 2019-05-17  Richard Biener  <rguenther@suse.de>
2967
2968         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2969
2970 2019-05-17  Martin Liska  <mliska@suse.cz>
2971
2972         PR driver/90496
2973         * toplev.c (output_stack_usage): With LTO and sanitizer it
2974         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2975         has no file location.
2976
2977 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2978
2979         PR c++/90484
2980         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2981         sz0 is equal to sz1, instead return false in that case.
2982
2983         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2984         has non-constant expression, force sctx.lane and use two
2985         argument IFN_GOMP_SIMD_LANE instead of single argument.
2986         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2987         two argument IFN_GOMP_SIMD_LANE without lhs.
2988         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2989         member.
2990         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2991         Define.
2992         (LOOP_REQUIRES_VERSIONING): Or in
2993         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2994         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
2995         simd_if_cond.
2996         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
2997         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
2998         from simd if clause if needed.
2999
3000 2019-05-16  Richard Biener  <rguenther@suse.de>
3001
3002         * tree-affine.c (expr_to_aff_combination): New function split
3003         out from...
3004         (tree_to_aff_combination): ... here.
3005         (aff_combination_expand): Avoid building a GENERIC tree.
3006
3007 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
3008
3009         * cgraphunit.c (cgraph_node::expand_thunk): Remove
3010         assemble_start_function and assemble_end_function calls.
3011         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
3012         assemble_start_function and assemble_end_function.
3013         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
3014         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
3015         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
3016         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
3017         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
3018         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
3019         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
3020         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
3021         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3022         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3023         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
3024         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
3025         Likewise.
3026         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3027         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
3028         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
3029         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
3030         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3031         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3032         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
3033         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
3034         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3035         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3036         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3037         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3038         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
3039         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
3040         Likewise.
3041         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3042         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3043         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
3044
3045 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
3046
3047         * tree-ssa-alias.c (alias_stats): Add
3048         aliasing_component_refs_p_may_alias and
3049         aliasing_component_refs_p_no_alias.
3050         (dump_alias_stats): Print aliasing_component_refs_p stats.
3051         (aliasing_component_refs_p): Update stats.
3052
3053 2019-05-16  Martin Liska  <mliska@suse.cz>
3054
3055         PR lto/90500
3056         * multiple_target.c (expand_target_clones): Do not allow
3057         target_clones being used with a symbol that is an alias.
3058
3059 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
3060
3061         PR tree-optimization/90394
3062         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
3063         positives rather than ICE for cases where (code2 == NE_EXPR
3064         && code1 == BIT_AND_EXPR).
3065
3066 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3067
3068         PR fortran/90329
3069         * tree-core.h (struct tree_decl_common): Document
3070         decl_nonshareable_flag for PARM_DECLs.
3071         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
3072         * calls.c (expand_call): Don't try tail call if caller
3073         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
3074         passed on the stack and callee needs to pass any arguments on the
3075         stack.
3076         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
3077         else if instead of series of mutually exclusive ifs.  Handle
3078         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
3079         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3080
3081         * lto-streamer.h (LTO_major_version): Bump to 9.
3082
3083 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
3084
3085         PR tree-optimization/90106
3086         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
3087         new parameter as new internal function call, also move it to new
3088         basic block.
3089         (use_internal_fn): Pass internal function call to
3090         shrink_wrap_one_built_in_call_with_conds.
3091
3092 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
3093
3094         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
3095         max_vf to 1.
3096         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
3097         safelen_int and set loop->dont_vectorize.
3098
3099 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3100
3101         PR target/89021
3102         * config/i386/i386-builtin.def: Enable MMX intrinsics with
3103         SSE/SSE2/SSSE3.
3104         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
3105         Likewise.
3106         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
3107         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
3108         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
3109         is defined.
3110
3111 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3112
3113         PR target/89021
3114         * config/i386/mmx.md (*vec_dupv2sf): Changed to
3115         define_insn_and_split to support SSE emulation.
3116         (*vec_extractv2sf_0): Likewise.
3117         (*vec_extractv2sf_1): Likewise.
3118         (*vec_extractv2si_0): Likewise.
3119         (*vec_extractv2si_1): Likewise.
3120         (*vec_extractv2si_zext_mem): Likewise.
3121         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
3122         (vec_extractv2sf_1 splitter): Likewise.
3123         (vec_extractv2sfsf): Likewise.
3124         (vec_setv2si): Likewise.
3125         (vec_extractv2si_1 splitter): Likewise.
3126         (vec_extractv2sisi): Likewise.
3127         (vec_setv4hi): Likewise.
3128         (vec_extractv4hihi): Likewise.
3129         (vec_setv8qi): Likewise.
3130         (vec_extractv8qiqi): Likewise.
3131         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3132         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
3133         (vec_extractv2sisi): Likewise.
3134         (vec_extractv4hihi): Likewise.
3135         (vec_extractv8qiqi): Likewise.
3136         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3137         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
3138         (vec_initv2sisi): Likewise.
3139         (vec_initv4hihi): Likewise.
3140         (vec_initv8qiqi): Likewise.
3141         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
3142         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
3143         (vec_setv4hi): Likewise.
3144         (vec_setv8qi): Likewise.
3145
3146 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3147
3148         PR target/89021
3149         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
3150         TARGET_MMX_WITH_SSE.
3151         (MMXMODE:*mov<mode>_internal): Likewise.
3152         (MMXMODE:movmisalign<mode>): Likewise.
3153
3154 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
3155
3156         PR target/89021
3157         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
3158         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
3159         (sse2_cvtpd2pi): Ditto.
3160         (sse2_cvttpd2pi): Ditto.
3161         (*vec_concatv2sf_sse4_1): Ditto.
3162         (*vec_concatv2sf_sse): Ditto.
3163         (*vec_concatv2si_sse4_1): Ditto.
3164         (*vec_concatv2si): Ditto.
3165         (*vec_concatv4si_0): Ditto.
3166         (*vec_concatv2di_0): Ditto.
3167
3168 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3169
3170         PR target/89021
3171         * config/i386/sse.md (abs<mode>2): 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_palignrdi): Changed to
3177         define_insn_and_split to support SSE emulation.
3178
3179 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3180
3181         PR target/89021
3182         * config/i386/sse.md (ssse3_psign<mode>3): Add 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_pshufbv8qi3): Changed to
3188         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3189         SSE emulation.
3190
3191 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3192
3193         PR target/89021
3194         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3195         or TARGET_MMX_WITH_SSE.
3196         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
3197
3198 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3199
3200         PR target/89021
3201         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
3202
3203 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3204
3205         PR target/89021
3206         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3207         Changed to define_insn_and_split to support SSE emulation.
3208
3209 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3210
3211         PR target/89021
3212         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3213         Changed to define_insn_and_split to support SSE emulation.
3214
3215 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3216
3217         PR target/89021
3218         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3219         (*mmx_<emms>): This.
3220         (mmx_<emms>): New expander.
3221
3222 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3223
3224         PR target/89021
3225         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3226         support.
3227         (*sse2_umulv1siv1di3): Add SSE2 emulation.
3228
3229 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3230
3231         PR target/89021
3232         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
3233
3234 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3235
3236         PR target/89021
3237         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3238
3239 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3240
3241         PR target/89021
3242         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3243         TARGET_MMX_WITH_SSE.
3244         (*mmx_uavgv4hi3): Add SSE emulation.
3245
3246 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3247
3248         PR target/89021
3249         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3250         and TARGET_MMX_WITH_SSE.
3251         (*mmx_uavgv8qi3): Add SSE emulation.
3252
3253 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3254
3255         PR target/89021
3256         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3257         maskmovdqu for __MMX_WITH_SSE__.
3258
3259 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3260
3261         PR target/89021
3262         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3263         TARGET_MMX and TARGET_MMX_WITH_SSE.
3264         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3265
3266 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3267
3268         PR target/89021
3269         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3270         define_insn_and_split to support SSE emulation.
3271
3272 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3273
3274         PR target/89021
3275         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3276         and TARGET_MMX_WITH_SSE.
3277         (mmx_<code>v8qi3): Likewise.
3278         (smaxmin:<code>v4hi3): New.
3279         (umaxmin:<code>v8qi3): Likewise.
3280         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3281         (umaxmin:*mmx_<code>v8qi3): Likewise.
3282
3283 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3284
3285         PR target/89021
3286         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3287         TARGET_MMX_WITH_SSE.
3288         (*mmx_pinsrw): Add SSE emulation.
3289
3290 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3291
3292         PR target/89021
3293         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3294
3295 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3296
3297         PR target/89021
3298         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3299         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3300         SSE emulation.
3301
3302 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3303
3304         PR target/89021
3305         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3306         (sse_cvttps2pi): Likewise.
3307
3308 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3309
3310         PR target/89021
3311         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3312         TARGET_MMX_WITH_SSE.
3313         (mmx_pshufw_1): Add SSE emulation.
3314         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3315         TARGET_MMX_WITH_SSE to support SSE emulation.
3316
3317 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3318
3319         PR target/89021
3320         * config/i386/constraints.md (Yw): New constraint.
3321         * config/i386/mmx.md (*vec_dupv2si): Changed to
3322         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3323         support SSE emulation.
3324
3325 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3326
3327         PR target/89021
3328         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3329         TARGET_MMX_WITH_SSE.
3330         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3331         support.
3332         (mmx_gt<mode>3): Likewise.
3333
3334 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3335
3336         PR target/89021
3337         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3338         TARGET_MMX_WITH_SSE.  Add SSE support.
3339
3340 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3341
3342         PR target/89021
3343         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3344         TARGET_MMX_WITH_SSE.
3345         (any_logic:<code><mode>3): New.
3346         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3347         Add SSE support.
3348
3349 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3350
3351         PR target/89021
3352         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3353         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3354         (mmx_<shift_insn><mode>3): Likewise.
3355         (ashr<mode>3): New.
3356         (<shift_insn><mode>3): Likewise.
3357
3358 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3359
3360         PR target/89021
3361         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3362         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3363
3364 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3365
3366         PR target/89021
3367         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3368         TARGET_MMX_WITH_SSE.
3369         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3370         SSE support.
3371
3372 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3373
3374         PR target/89021
3375         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3376         TARGET_MMX_WITH_SSE.
3377         (mulv4hi3): New.
3378         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3379         support.
3380
3381 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3382
3383         PR target/89021
3384         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3385         (plusminus:mmx_<plusminus_insn><mode>3): Check
3386         TARGET_MMX_WITH_SSE.
3387         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3388         (<plusminus_insn><mode>3): New.
3389         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3390         (*mmx_<plusminus_insn><mode>3): Likewise.
3391
3392 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3393
3394         PR target/89021
3395         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3396         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3397         prototype.
3398         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3399         define_insn_and_split to support SSE emulation.
3400         (mmx_punpcklbw): Likewise.
3401         (mmx_punpckhwd): Likewise.
3402         (mmx_punpcklwd): Likewise.
3403         (mmx_punpckhdq): Likewise.
3404         (mmx_punpckldq): Likewise.
3405
3406 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3407             Uros Bizjak  <ubizjak@gmail.com>
3408
3409         PR target/89021
3410         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3411         New function.
3412         (ix86_split_mmx_pack): Likewise.
3413         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3414         New prototype.
3415         (ix86_split_mmx_pack): Likewise.
3416         * config/i386/i386.md (mmx_isa): New.
3417         (enabled): Also check mmx_isa.
3418         * config/i386/mmx.md (any_s_truncate): New code iterator.
3419         (s_trunsuffix): New code attr.
3420         (mmx_packsswb): Removed.
3421         (mmx_packssdw): Likewise.
3422         (mmx_packuswb): Likewise.
3423         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3424         MMX packsswb/packuswb with SSE2.
3425         (mmx_packssdw): Likewise.
3426         * config/i386/predicates.md (register_mmxmem_operand): New.
3427
3428 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3429
3430         PR target/89021
3431         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3432         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3433         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3434         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3435         (ix86_vector_mode_supported_p): Likewise.
3436         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3437
3438 2019-05-15  Martin Liska  <mliska@suse.cz>
3439
3440         PR middle-end/90478
3441         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3442         Check for overflow.
3443
3444 2019-05-15  Richard Biener  <rguenther@suse.de>
3445
3446         * tree-into-ssa.c (pass_build_ssa::execute): Run
3447         update_address_taken before going into SSA.
3448
3449 2019-05-15  Richard Biener  <rguenther@suse.de>
3450
3451         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3452         as __BIT_FIELD_REF with type with -gimple.
3453
3454 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3455
3456         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3457         semantically equivalent branches (left over after prior refactorings).
3458
3459 2019-05-15  Richard Biener  <rguenther@suse.de>
3460
3461         PR tree-optimization/88828
3462         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3463         bogus check.
3464
3465 2019-05-14  Richard Biener  <rguenther@suse.de>
3466
3467         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3468         as __VIEW_CONVERT with -gimple.
3469
3470 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3471
3472         PR target/82920
3473         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3474         Darwin.
3475
3476 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3477
3478         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3479         define_split to become a define_insn_and_split.
3480
3481 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3482
3483         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3484         arguments.
3485         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3486         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3487         (sibcall_epilogue): Adjust.
3488         (epilogue): Adjust.
3489
3490 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3491
3492         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3493         to unsupported ones.
3494         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3495         * config.host: Likewise.
3496         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3497         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3498         __svr4__]: Remove "brand" fallback.
3499         [!KSTAT_DATA_STRING]: Remove.
3500         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3501         to *-*-solaris2*.
3502         (comdat_group): Likewise.
3503         (set_have_as_tls): Likewise.
3504         (gcc_cv_target_dl_iterate_phdr): Likewise.
3505         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3506         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3507         * configure: Regenerate.
3508         * doc/install.texi: Simplify Solaris target triplets.
3509         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3510         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3511         Remove Solaris 10 references.
3512         Remove obsolete Solaris bug reference.
3513         (Specific, sparc-sun-solaris2.10): Remove.
3514
3515 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3516
3517         * config/i386/i386.md (any_div): New code iterator.
3518         (paired_mod): New code attribute.
3519         (sgnprefix): Handle DIV and UDIV RTXes.
3520         (u): Ditto.
3521         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3522         and udivmod<mode>4 patterns using any_div code iterator.
3523         (divmod splitters): Macroize splitters using any_div code iterator.
3524         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3525         (*udivmodsi4_pow2_zext_2): Ditto.
3526         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3527         and *udivmod<mode>4_noext patterns using any_div code iterator.
3528         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3529         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3530         patterns using any_div code iterator.
3531         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3532         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3533         patterns using any_div code iterator.
3534         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3535         udivmodhiqi3 patterns using any_extend code iterator.
3536
3537 2019-05-14  Richard Biener  <rguenther@suse.de>
3538             H.J. Lu  <hongjiu.lu@intel.com>
3539
3540         PR tree-optimization/88828
3541         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3542         permuting in a single non-constant element not extracted
3543         from a vector.
3544
3545 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3546
3547         * internal-fn.def (SIGNBIT): New.
3548         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3549         defined.
3550         (signbitv4sf2): Likewise.
3551
3552 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3553
3554         PR target/90357
3555         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3556         next insn when the SRC reg is dead.
3557
3558 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3559
3560         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3561         (alloc_cand_and_find_basis): Ditto.
3562         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3563         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3564         (create_add_imm_cand, slsr_process_cast): Ditto.
3565         (slsr_process_copy, replace_mult_candidate): Ditto.
3566         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3567         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3568         (pass_strength_reduction::execute): Init the first NULL element.
3569
3570 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3571
3572         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3573         (run_attempt): Reformat line break.
3574
3575 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3576
3577         PR target/90418
3578         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3579         data registers in sibcall epilogues.
3580         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3581
3582 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3583
3584         PR target/89221
3585         * configure.ac (--enable-frame-pointer):
3586         Disable by default for cygwin and mingw.
3587         * configure: Regenerate.
3588
3589 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3590
3591         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3592         piece of code.
3593         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3594         (gen_member_die): Move abstract origin check earlier.  Only VARs
3595         can be static_inline_p.  Simplify splicing control flow.
3596
3597 2019-05-13  Richard Biener  <rguenther@suse.de>
3598
3599         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3600         VIEW_CONVERT_EXPR.
3601         (vect_build_slp_tree_1): Likewise.
3602
3603 2019-05-13  Richard Biener  <rguenther@suse.de>
3604
3605         PR tree-optimization/90402
3606         * tree-if-conv.c (tree_if_conversion): Value number only
3607         the loop body by making the latch an exit of the region
3608         as well.
3609         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3610         processing PHIs.
3611         (do_rpo_vn): Deal with multiple edges into the entry block
3612         that are not backedges inside the region by skipping PHIs
3613         of the entry block.
3614
3615 2019-05-13  Richard Biener  <rguenther@suse.de>
3616
3617         PR tree-optimization/90316
3618         * tree-ssa-pre.c (insert_aux): Fold into ...
3619         (insert): ... this function.  Use a RPO walk to reduce the
3620         number of required iterations.
3621
3622 2019-05-13  Martin Liska  <mliska@suse.cz>
3623
3624         PR tree-optimization/90416
3625         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3626         string instead of passing the second part as va_arg argument.
3627
3628 2019-05-13  Martin Liska  <mliska@suse.cz>
3629
3630         PR gcov-profile/90380
3631         * gcov.c (handle_cycle): Do not support zero cycle count,
3632         it should not be possible.
3633         (path_contains_zero_cycle_arc): New function.
3634         (circuit): Ignore zero cycle arc counts.
3635
3636 2019-05-13  Martin Liska  <mliska@suse.cz>
3637
3638         PR gcov-profile/90380
3639         * gcov.c (enum loop_type): Remove the enum and
3640         the operator.
3641         (handle_cycle): Assert that we should not reach
3642         a negative count.
3643         (circuit): Use loop_found instead of a tri-state loop_type.
3644         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3645         happen.
3646
3647 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3648
3649         PR target/82920
3650         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3651         (ix86_output_indirect_branch_via_reg): Use output mechanism
3652         accounting for __USER_LABEL_PREFIX__.
3653         (ix86_output_indirect_branch_via_push): Likewise.
3654         (ix86_output_function_return): Likewise.
3655         (ix86_output_indirect_function_return): Likewise.
3656
3657 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3658
3659         * doc/md.texi: Document use of code attributes in rtx patterns.
3660         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3661         * read-rtl.c (find_code): Split out search loops into...
3662         (maybe_find_code): ...this new function.
3663         (check_code_iterator): Make the error message more informative.
3664         (check_code_attribute): New function.
3665         (rtx_reader::rtx_alloc_for_name): Likewise.
3666         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3667         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3668         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3669         <max_opp> directly as an rtx code instead of via a match_operator.
3670         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3671         (<su>abd<mode>_3): Update accordingly.
3672
3673 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3674
3675         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3676         is given, print the state of the EH "save world" computation for
3677         Darwin.
3678
3679 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR c++/59813
3682         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3683         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3684
3685 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3686
3687         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3688         Use pinsrd for TARGET_SSE4_1.
3689         * config/i386/sse.md (movdi_to_sse): Ditto.
3690
3691 2019-05-10  Richard Biener  <rguenther@suse.de>
3692
3693         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3694         (do_rpo_vn): Initialize next_value_id.
3695
3696 2019-05-10  Martin Liska  <mliska@suse.cz>
3697
3698         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3699         Fix plural form.
3700
3701 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3702
3703         PR tree-optimization/90385
3704         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3705         arguments of the exit phis.
3706
3707         PR c++/90383
3708         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3709         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3710         id->do_not_fold.
3711         (copy_tree_body_r): Likewise.
3712         (copy_fn): Set id.do_not_fold to true.
3713
3714 2019-05-10  Martin Liska  <mliska@suse.cz>
3715
3716         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3717         Reapply changes from r269790.
3718
3719 2019-05-10  Martin Liska  <mliska@suse.cz>
3720
3721         PR middle-end/90340
3722         * doc/invoke.texi: New params.
3723         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3724         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3725         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3726         Use it.
3727         * tree-switch-conversion.h (struct jump_table_cluster):
3728         Likewise.
3729
3730 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3731
3732         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3733
3734 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3735
3736         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3737
3738 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3739
3740         PR rtl-optimization/88879
3741         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3742
3743 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3744
3745         PR target/90405
3746         * config/arm/arm.c (callee_saved_reg_p): Move before
3747         thumb_find_work_register.
3748         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3749         thumb_find_work_register.  Only call df_get_live_out once.
3750         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3751         (thumb_find_work_register): Use
3752         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3753         algorithms to locate a spare call clobbered reg.
3754
3755 2019-05-09  Martin Liska  <mliska@suse.cz>
3756
3757         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3758         and MAX_EXPR in GIMPLE FE format.
3759
3760 2019-05-09  Martin Liska  <mliska@suse.cz>
3761
3762         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3763         * gimple-pretty-print.c (dump_gimple_bb_header):
3764         Dump BB count.
3765         (pp_cfg_jump): Dump edge probability.
3766         * profile-count.c (profile_quality_as_string): Simplify
3767         with a static array.
3768         (parse_profile_quality): New function.
3769         (profile_count::dump): Simplify with a static array.
3770         (profile_count::from_gcov_type): Add new argument.
3771         * profile-count.h (parse_profile_quality): Likewise.
3772         * predict.h (set_hot_bb_threshold): New.
3773         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3774         New param.
3775         * predict.c (get_hot_bb_threshold): Set from the new param.
3776         (set_hot_bb_threshold): New.
3777
3778 2019-05-09  Richard Biener  <rguenther@suse.de>
3779
3780         PR tree-optimization/90395
3781         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3782         rewrite vector stores that throw internally.
3783
3784 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3785
3786         * cif-code.def (CHKP): Remove.
3787
3788         PR target/89221
3789         * configure.ac (--enable-frame-pointer): Disable by default for
3790         GNU systems.
3791         * configure: Regenerate.
3792
3793 2019-05-09  Alan Modra  <amodra@gmail.com>
3794
3795         PR target/89271
3796         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3797         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3798         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3799         cost for general <-> vsx when direct moves are available.
3800         Cost union classes at minimal cost for any reg in the class.
3801         Correct calculation for moves between vsx, float, and altivec.
3802         Don't return a low cost for moves between special regs.  Don't
3803         use hard coded register numbers.
3804         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3805         (rs6000_ira_change_pseudo_allocno_class): New function.
3806         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3807         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3808         alternatives.
3809         (movsi_internal1): Don't disparage vector alternatives.
3810         (mov<mode>_internal): Likewise, excepting alternative that
3811         will be split.
3812         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3813         we <- b alternative.
3814
3815 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3816
3817         PR c++/59813
3818         PR tree-optimization/89060
3819         * tree-ssa-live.h (live_vars_map): New typedef.
3820         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3821         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3822         (struct compute_live_vars_data): New type.
3823         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3824         live_vars_at_stmt, destroy_live_vars): New functions.
3825         * tree-tailcall.c: Include tree-ssa-live.h.
3826         (live_vars, live_vars_vec): New global variables.
3827         (find_tail_calls): Perform variable life analysis before punting.
3828         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3829         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3830         member.
3831         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3832         Perform variable life analysis to select variables that really need
3833         clobbers added.
3834         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3835         instead set id->eh_landing_pad_dest and assert it is the same.
3836         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3837
3838 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3839             Richard Earnshaw  <rearnsha@arm.com>
3840
3841         PR target/88167
3842         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3843         function.
3844         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3845         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3846         register if both the epilogue and prologue can use call-clobbered
3847         regs.
3848         (thumb1_unexpanded_epilogue): Use
3849         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3850         picking temporaries for restoring high regs to match that of the
3851         prologue where possible.
3852         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3853         the list of work registers.  Detect if the return address is still live
3854         at the end of the prologue and avoid using it for a work register if so.
3855         If the return address is not live, add LR to the list of pushable regs
3856         after the first pass.
3857
3858 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3859
3860         PR tree-optimization/90078
3861         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3862         (INFTY): Increase the value for infinite cost.
3863         (struct comp_cost): Promote type of members to int64_t.
3864         (infinite_cost): Don't set complexity in initialization.
3865         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3866         overflows to infinite_cost.
3867         (adjust_setup_cost): Promote type of parameter and cost computation
3868         to int64_t.
3869         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3870         int64_t.
3871         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3872         cost computation to int64_t.
3873         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3874         int64_t's format specifier in dump.
3875
3876 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3877
3878         PR tree-optimization/90240
3879         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3880         with respect to scaling factor pre-computed for each basic block.
3881         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3882         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3883         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3884         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3885         live range for array of loop's basic blocks.  Cleanup aux field of
3886         loop's basic blocks.
3887
3888 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3889
3890         PR tree-optimization/90356
3891         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3892
3893 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3894
3895         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3896         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3897         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3898         (ix86_handle_option): Handle -mavx512bf16.
3899         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3900         to extra_headers.
3901         * config/i386/avx512bf16vlintrin.h: New.
3902         * config/i386/avx512bf16intrin.h: New.
3903         * config/i386/cpuid.h (bit_AVX512BF16): New.
3904         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3905         * config/i386/i386-builtin-types.def: Add new types.
3906         * config/i386/i386-builtin.def: Add new builtins.
3907         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3908         __AVX512BF16__.
3909         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3910         (ix86_option_override_internal): Handle BF16.
3911         (ix86_valid_target_attribute_inner_p): Ditto.
3912         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3913         * config/i386/i386-builtin.c (enum processor_features): Add
3914         F_AVX512BF16.
3915         (static const _isa_names_table isa_names_table): Ditto.
3916         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3917         (PTA_AVX512BF16): Ditto.
3918         * config/i386/i386.opt: Add -mavx512bf16.
3919         * config/i386/immintrin.h: Include avx512bf16intrin.h
3920         and avx512bf16vlintrin.h.
3921         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3922         avx512f_cvtneps2bf16_<mode><mask_name>,
3923         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3924         * config/i386/subst.md (mask_half): Add new subst.
3925         * doc/invoke.texi: Document -mavx512bf16.
3926
3927 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3928
3929         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3930         Delete declaration.
3931         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3932         (rs6000_debug_legitimize_reload_address): Delete.
3933         (rs6000_legitimize_reload_address_ptr): Delete.
3934         (rs6000_option_override_internal): Adjust.
3935         (mem_operand_gpr): Adjust comment.
3936         (legitimate_lo_sum_address_p): Ditto.
3937         (rs6000_legitimize_reload_address): Delete.
3938         (rs6000_debug_legitimize_reload_address): Delete.
3939         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3940
3941 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3942
3943         PR target/89765
3944         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3945         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3946         to compute vector element selector for both constant and variable
3947         operands.
3948
3949 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3950
3951         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3952         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3953         ashrdi3_cvt using SWI48 mode iterator.
3954
3955 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3956
3957         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3958         (aarch64_<su>abd<mode>_3): Likewise.
3959         (*aarch64_<su>abd<mode>_3): New define_insn.
3960         (<sur>sad<vsi2qi>): New define_expand.
3961         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3962         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3963         (build_vect_cond_expr): Likewise.
3964
3965 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3966
3967         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3968         clobbers outside of accessible_reg_set.
3969         * config/i386/i386.c (ix86_conditional_register_usage):
3970         Disable register sets by clearing corresponding bits in
3971         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3972         call_used_regs and don't clear corresponding reg_names array members.
3973
3974 2019-05-07  Richard Biener  <rguenther@suse.de>
3975
3976         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3977         not specified still compute a comp_vectype for invariant
3978         compares.
3979
3980 2019-05-07  Richard Biener  <rguenther@suse.de>
3981
3982         PR tree-optimization/90316
3983         * tree-ssa-pre.c (translate_vuse_through_block): When
3984         same_valid is NULL do not bother to search for a virtual
3985         PHI continuation.
3986         (phi_translate_1): When operands changed we cannot keep
3987         the same value-number so do not bother to ask whether
3988         that's possible from translate_vuse_through_block.
3989
3990 2019-05-07  Martin Liska  <mliska@suse.cz>
3991
3992         * bitmap.c (bitmap_register): Come up with
3993         alloc_descriptor_max_uid and assign it for
3994         a new bitmap.
3995         (register_overhead): Use get_descriptor as
3996         a descriptor.
3997         (release_overhead): New.
3998         (bitmap_elem_to_freelist): Call it.
3999         (bitmap_elt_clear_from): Likewise.
4000         (bitmap_obstack_free): Likewise.
4001         (bitmap_move): Sensitively release memory.
4002         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
4003         (bitmap_initialize): Initialize alloc_descriptor to zero.
4004         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
4005
4006 2019-05-07  Richard Biener  <rguenther@suse.de>
4007
4008         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
4009         we build a SLP node.  Remove max_size and limiting.
4010         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
4011
4012 2019-05-07  Richard Biener  <rguenther@suse.de>
4013
4014         PR tree-optimization/90316
4015         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
4016         limit by reference.
4017         (walk_non_aliased_vuses): Take walking limit argument.
4018         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
4019         walking if it is reached instead of just counting.
4020         (get_continuation_for_phi): Likewise.
4021         (walk_non_aliased_vuses): Likewise, instead of leaving counter
4022         limiting to the callback.
4023         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
4024         (vn_reference_lookup_3): Likewise.
4025         (vn_reference_lookup_pieces): Likewise.
4026         (vn_reference_lookup): Likewise.
4027         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
4028         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
4029         (avail_exprs_stack::lookup_avail_expr): Likewise.
4030
4031 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
4032
4033         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
4034         for comparaible types in the second direction even if first one
4035         hits incomparable type.
4036
4037 2019-05-07  Richard Biener  <rguenther@suse.de>
4038
4039         PR lto/90369
4040         * lto-wrapper.c (debug_objcopy): Use the original filename
4041         including archive offset for the filename used for -save-temps.
4042
4043 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
4044
4045         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
4046         detection.
4047
4048 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4049             Hongtao Liu  <hongtao.liu@intel.com>
4050
4051         PR target/89750
4052         PR target/86444
4053         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
4054         Modified, original implementation isn't correct.
4055
4056 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4057
4058         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
4059         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
4060         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
4061         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
4062         (FRAME_POINTER_REGNUM): Change numbering.
4063         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
4064         (alt_reg_names): Adjust.
4065         (rs6000_conditional_register_usage): Don't mark hard register 64 as
4066         fixed.
4067         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4068         (DWARF_FRAME_REGISTERS): Delete.
4069         (DWARF2_FRAME_REG_OUT): Fix whitespace.
4070         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4071         Adjust.
4072         (REG_ALLOC_ORDER): Adjust.
4073         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
4074         (REG_CLASS_CONTENTS): Adjust.
4075         (RETURN_ADDR_RTX): Change comment.
4076         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
4077         instead of 67.
4078         (REGISTER_NAMES): Adjust.
4079         (ADDITIONAL_REGISTER_NAMES): Adjust.
4080         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4081
4082 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4083
4084         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
4085         Delete.
4086         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4087         (DWARF_FRAME_REGISTERS): Adjust.
4088         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4089         Adjust.
4090         (REG_ALLOC_ORDER): Adjust.
4091         (enum reg_class): Delete SPR_REGS.
4092         (REG_CLASS_NAMES): Delete SPR_REGS.
4093         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
4094         (REGISTER_NAMES): Adjust.
4095         (ADDITIONAL_REGISTER_NAMES): Adjust.
4096         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4097         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
4098         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
4099         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
4100         (htm_spr_regno): Delete.
4101         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
4102         argument.
4103         (rs6000_dbx_register_number): Adjust.
4104
4105 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4106
4107         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
4108
4109 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4110
4111         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
4112         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
4113
4114 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
4115
4116         PR tree-optimization/88709
4117         PR tree-optimization/90271
4118         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
4119         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
4120         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
4121         variable.
4122         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
4123         of the store merging group is larger than
4124         PARAM_STORE_MERGING_MAX_SIZE parameter.
4125         (split_group): Add bzero_first argument.  If set, always emit first
4126         the first store which must be = {} of the whole area and then for the
4127         rest of the stores consider all zero bytes as paddings.
4128         (imm_store_chain_info::output_merged_store): Check if first store
4129         is = {} of the whole area and if yes, determine which setting of
4130         bzero_first for split_group gives smaller number of stores.  Adjust
4131         split_group callers.
4132         (lhs_valid_for_store_merging_p): Allow decls.
4133         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
4134         no elts.
4135         (pass_store_merging::process_store): Likewise.
4136
4137 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4138
4139         PR target/89424
4140         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
4141         handling of V1TImode.
4142
4143 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
4144
4145         PR target/89221
4146         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
4147         and enable_frame_pointer ...
4148         * configure.ac: ... here.  Update help strings for
4149         --enable-frame-pointer.
4150         * configure: Regenerate.
4151         * config/i386/i386-options.c (ix86_option_override_internal): Remove
4152         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
4153         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
4154         (USE_X86_64_FRAME_POINTER): Ditto.
4155
4156 2019-05-06  Martin Liska  <mliska@suse.cz>
4157
4158         * config.gcc: Append to target_gtfiles and fix indentation.
4159
4160 2019-05-06  Richard Biener  <rguenther@suse.de>
4161
4162         PR tree-optimization/90358
4163         * tree-vect-stmts.c (get_group_load_store_type): Properly
4164         detect unused upper half of load.
4165         (vectorizable_load): Likewise.
4166
4167 2019-05-06  Richard Biener  <rguenther@suse.de>
4168
4169         PR tree-optimization/88828
4170         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
4171         (simplify_vector_constructor): ...here.  Handle constants in
4172         the constructor.
4173
4174 2019-05-06  Richard Biener  <rguenther@suse.de>
4175
4176         PR tree-optimization/90328
4177         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
4178         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
4179         is valid in the loop nest before using it.
4180         (initialize_data_dependence_relation): Adjust.
4181         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
4182         loop as loop-nest to dr_may_alias_p.
4183
4184 2019-05-06  Richard Biener  <rguenther@suse.de>
4185
4186         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
4187
4188 2019-05-06  Richard Biener  <rguenther@suse.de>
4189
4190         PR tree-optimization/90316
4191         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
4192         compute target on demand.
4193         (get_continuation_for_phi): Remove code walking stmts to
4194         get to a target virtual operand which could end up being
4195         quadratic.
4196
4197 2019-05-06  Martin Liska  <mliska@suse.cz>
4198
4199         PR sanitizer/90312
4200         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4201         when -mabi is selected to a non-default version.
4202
4203 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4204             Martin Liska  <mliska@suse.cz>
4205
4206         * Makefile.in: Add lto-dump.texi.
4207         * cgraph.h: Add new functions get_visibility_string and
4208         get_symtab_type_string.
4209         * doc/gcc.texi: Include lto-dump section.
4210         * doc/lto-dump.texi: New file.
4211         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4212         (parse_dump_option): Factor out this function.
4213         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4214         (parse_dump_option): Export the function.
4215         * symtab.c (symtab_node::get_visibility_string): New function.
4216         (symtab_node::get_symtab_type_string): Likewise.
4217
4218 2019-05-06  Martin Liska  <mliska@suse.cz>
4219
4220         * config/i386/i386-builtins.c: New file.
4221         * config/i386/i386-builtins.h: New file.
4222         * config/i386/i386-expand.c: New file.
4223         * config/i386/i386-expand.h: New file.
4224         * config/i386/i386-features.c: New file.
4225         * config/i386/i386-features.h: New file.
4226         * config/i386/i386-options.c: New file.
4227         * config/i386/i386-options.h: New file.
4228         * config.gcc: Add new files into extra_objs and
4229         target_gtfiles.
4230         * config/i386/i386.c: Split content of the file
4231         into newly introduced files.
4232         * config/i386/i386.h: Declare common variables
4233         and macros.
4234         * config/i386/t-i386: Define dependencies for new files.
4235
4236 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4237
4238         PR target/89400
4239         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4240         Restrict 'all' variant to 32-bit configurations.
4241         (unaligned_loadhiu): Likewise.
4242         (unaligned_storehi): Likewise.
4243         (unaligned_storesi): Likewise.
4244         (unaligned_loadhis): Disable when compiling for thumb1.
4245
4246 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4247
4248         PR tree-optimization/90269
4249         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4250         Ignore clobbers.
4251
4252 2019-05-03  Martin Liska  <mliska@suse.cz>
4253
4254         * hash-map.h: Add is_empty function.
4255         * hash-set.h: Likewise.
4256         * hash-table.h: Likewise.
4257         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4258         elements () == 0 (and similar usages).
4259         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4260         * gimplify.c (gimplify_bind_expr): Likewise.
4261         (gimplify_switch_expr): Likewise.
4262         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4263         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4264         * postreload-gcse.c (dump_hash_table): Likewise.
4265         (gcse_after_reload_main): Likewise.
4266         * predict.c (combine_predictions_for_bb): Likewise.
4267         * tree-parloops.c (reduction_phi): Likewise.
4268         (separate_decls_in_region): Likewise.
4269         (transform_to_exit_first_loop): Likewise.
4270         (gen_parallel_loop): Likewise.
4271         (gather_scalar_reductions): Likewise.
4272         (try_create_reduction_list): Likewise.
4273         * var-tracking.c (dump_vars): Likewise.
4274         (emit_notes_for_changes): Likewise.
4275         (vt_emit_notes): Likewise.
4276
4277 2019-05-03  Richard Biener  <rguenther@suse.de>
4278
4279         PR tree-optimization/90316
4280         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4281         before running VN.
4282
4283 2019-05-03  Richard Biener  <rguenther@suse.de>
4284
4285         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4286         peeling for gaps by loading only lower halves of vectors
4287         if possible.
4288         (vectorizable_load): Likewise.
4289
4290 2019-05-03  Richard Biener  <rguenther@suse.de>
4291
4292         PR middle-end/89518
4293         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4294
4295 2019-05-03  Richard Biener  <rguenther@suse.de>
4296
4297         PR middle-end/87314
4298         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4299         Handle STRING_CST vs DECL or STRING_CST.
4300
4301 2019-05-03  Richard Biener  <rguenther@suse.de>
4302
4303         PR tree-optimization/88963
4304         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4305         vector loads feeding only BIT_FIELD_REFs to component
4306         loads.  Rewrite stores fed by CONSTRUCTORs to component
4307         stores.
4308
4309 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4310
4311         * opts.h (finish_options): Remove lang_mask argument.
4312         (print_help, help_option_argument): Declare.
4313         * opts.c (print_help): Remove forward declaration, no longer static.
4314         (finish_options): Remove lang_mask argument, don't call print_help
4315         here.
4316         * opts-global.c (decode_options): Adjust finish_option caller, call
4317         print_help here.
4318
4319         PR tree-optimization/90303
4320         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4321         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4322
4323 2019-05-03  Richard Biener  <rguenther@suse.de>
4324
4325         PR tree-optimization/89698
4326         * gimple-fold.c (canonicalize_constructor_val): Early out
4327         for constants, handle unfolded INTEGER_CSTs as they appear in
4328         C++ virtual table ctors.
4329
4330 2019-05-03  Richard Biener  <rguenther@suse.de>
4331
4332         * passes.c (execute_function_todo): Remove dead code.
4333
4334 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4335
4336         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4337         the internal register number, for any "real" register.
4338
4339 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4340
4341         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4342         correct numbers for TFHAR, TFIAR, TEXASR.
4343
4344 2019-05-02  Richard Biener  <rguenther@suse.de>
4345
4346         PR tree-optimization/89653
4347         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4348         update-address-taken before the pass.
4349         * passes.def (pass_tree_loop_init): Put comment before it.
4350
4351 2019-05-02  Richard Biener  <rguenther@suse.de>
4352
4353         PR tree-optimization/89509
4354         * tree-ssa-structalias.c (compute_dependence_clique): Look
4355         at the first subvar when determining whether it is restrict.
4356
4357 2019-05-02  Richard Biener  <rguenther@suse.de>
4358
4359         PR tree-optimization/90273
4360         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4361         useless debug stmts.
4362
4363 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4364
4365         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4366         ACLE branch.
4367         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4368         SVE ACLE branch.
4369         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4370         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4371         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4372         (vectorizable_reduction): Use the functions above to vectorize in a
4373         fully masked loop codes that don't have a conditional internal
4374         function.
4375
4376 2019-05-02  Martin Liska  <mliska@suse.cz>
4377
4378         * cgraphclones.c: Call valid_attribute_p with 1 for
4379         target_clone.
4380         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4381         it's for target attribute.
4382         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4383         Add new boolean argument.
4384         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4385         Likewise.
4386         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4387         to ix86_valid_target_attribute_inner_p.
4388         (ix86_valid_target_attribute_p): Pass flags argument to
4389         ix86_valid_target_attribute_inner_p.
4390         (get_builtin_code_for_version): Use 0 as it's target attribute.
4391
4392 2019-05-02  Martin Liska  <mliska@suse.cz>
4393
4394         * gcc.c (process_command): Add dummy file only
4395         if n_infiles == 0.
4396         * opts-global.c (decode_options): Pass lang_mask.
4397         * opts.c (print_help): New function.
4398         (finish_options): Print --help if help_option_argument
4399         is set.
4400         (common_handle_option): Factor out content of OPT__help_
4401         into print_help.
4402         * opts.h (finish_options): Add new argument.
4403
4404 2019-05-02  Martin Liska  <mliska@suse.cz>
4405
4406         PR target/88809
4407         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4408         With -minline-all-stringops use inline expansion using 4B loop.
4409         * doc/invoke.texi: Document the change of
4410         -minline-all-stringops.
4411
4412 2019-05-01  Jeff Law  <law@redhat.com>
4413
4414         PR tree-optimization/88797
4415         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4416         PHI feeds a conditional on the RHS of an assignment.
4417
4418 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4419             Jim Wilson  <jimw@sifive.com>
4420
4421         * config/riscv/constraints.md (L): New.
4422         * config/riscv/predicates.md (lui_operand): New.
4423         (sfb_alu_operand): New.
4424         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4425         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4426         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4427         * config/riscv/risc.md (type): Add sfb_alu.
4428         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4429         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4430         (branch_zero<mode>): Delete.
4431         (mov<mode>cc): New.
4432         (mov<GPR:mode><X:mode>cc): Likewise.
4433         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4434
4435 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4436
4437         * tree.h (MARK_TS_EXP): New.
4438
4439 2019-04-30  Martin Liska  <mliska@suse.cz>
4440
4441         * opts.c (enable_warning_as_error): Provide hints
4442         for unknown options.
4443
4444 2019-04-30  Martin Liska  <mliska@suse.cz>
4445
4446         PR debug/90288
4447         * doc/invoke.texi: Add missing dash for gas-locview-support
4448         and gno-as-locview-support.
4449
4450 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4451
4452         PR target/89093
4453         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4454         whitespace at the start of target attribute string.
4455
4456 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4457
4458         PR target/86538
4459         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4460         Define __ARM_FEATURE_ATOMICS.
4461
4462 2019-04-30  Martin Liska  <mliska@suse.cz>
4463
4464         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4465         into built_in_function enum. Remove code for endp == 2 and
4466         use BUILT_IN_* constants.
4467         (gimple_fold_builtin): Call the function with fcode.
4468
4469 2019-04-30  Martin Liska  <mliska@suse.cz>
4470
4471         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4472         DECL_FUNCTION_CODE into ix86_builtins enum before
4473         the switch statement.
4474
4475 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR tree-optimization/89475
4478         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4479         calls.
4480
4481 2019-04-30  Martin Liska  <mliska@suse.cz>
4482
4483         PR translation/90274
4484         * opts.c (print_filtered_help): Wrap string in _(...).
4485
4486 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4487
4488         PR tree-optimization/90240
4489         Revert:
4490         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4491
4492         PR tree-optimization/90078
4493         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4494         checks for infinite_cost overflow.
4495
4496 2019-04-29  Jeff Law  <law@redhat.com>
4497
4498         * passes.def: Move -Wrestrict pass after copy propagation.
4499
4500 2019-04-29  Maya Rashish  <coypu@sdf.org>
4501
4502         * config.gcc (default_gnu_indirect_function): Default to yes
4503         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4504         sparc*-*-netbsd*, x86_64-*-netbsd*.
4505
4506 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4507
4508         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4509         where cond2 is NE_EXPR.
4510         (is_value_included_in): Update comment.
4511
4512 2019-04-29  Richard Biener  <rguenther@suse.de>
4513
4514         PR tree-optimization/90278
4515         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4516         EH on comparison simplification.
4517
4518 2019-04-29  Jason Merrill  <jason@redhat.com>
4519
4520         PR c++/82081 - tail call optimization breaks noexcept
4521         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4522         nothrow function to a might-throw function into a tail call.
4523
4524 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4525
4526         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4527         (DDR_INNER_LOOP): Likewise.
4528         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4529         (initialize_data_dependence_relation): Likewise.
4530         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4531
4532 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4533
4534         PR rtl-optimization/90257
4535         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4536         return value.
4537
4538         Revert the revert:
4539         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4540
4541         PR target/90178
4542         Revert:
4543         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4544
4545         Revert the revert:
4546         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4547
4548         Revert:
4549         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4550
4551         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4552
4553 2019-04-29  Richard Biener  <rguenther@suse.de>
4554
4555         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4556         rhs issue a reset.
4557
4558 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4559
4560         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4561         varasm.h, and netbsd-protos.h.
4562
4563 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4564
4565         PR target/89261
4566         * config/i386/i386-protos.h (ix86_data_alignment): Change
4567         the second argument type to unsigned int.
4568         * config/i386/i386.c (ix86_data_alignment): Change "align"
4569         argument type to unsigned int.
4570
4571 2019-04-27  Martin Liska  <mliska@suse.cz>
4572
4573         PR middle-end/90258
4574         * opt-suggestions.c (option_proposer::build_option_suggestions):
4575         When get_valid_option_values returns empty values, add the
4576         misspelling candidate.
4577
4578 2019-04-26  Jim Wilson  <jimw@sifive.com>
4579
4580         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4581         parameter.
4582         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4583         Pass orig_mode to riscv_build_integer.
4584         (riscv_split_integer): Pass mode to riscv_move_integer.
4585         (riscv_legitimize_const_move): Likewise.
4586         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4587         promoted_mode.  Replace force_reg call with code to load constant into
4588         promoted reg and then subreg it for the store.
4589         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4590         riscv_move_integer.
4591
4592 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4593
4594         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4595         corrupt codes.
4596
4597 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4598
4599         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4600         commentary about the encoding of precision.
4601
4602 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4603
4604         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4605         * config/i386/t-freebsd64: New file.
4606         * config.gcc: Add the t-freebsd64 for multilib support.
4607
4608 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4609
4610         * doc/extend.texi (vector_size): Add missing comma after @xref.
4611
4612 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4613
4614         * BASE-VER: Set to 10.0.0.
4615
4616 2019-04-25  Richard Biener  <rguenther@suse.de>
4617
4618         PR middle-end/89765
4619         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4620         VIEW_CONVERT_EXPR into one operating on an rvalue.
4621
4622 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4623
4624         PR target/89929
4625         * config/i386/i386.c (feature_priority): Moved to file scope.
4626         (processor_features): Likewise.
4627         (processor_model): Likewise.
4628         (_arch_names_table): Likewise.
4629         (arch_names_table): Likewise.
4630         (_feature_list): Removed.
4631         (feature_list): Likewise.
4632         (_isa_names_table): Moved to file scope.  Add priority.
4633         (isa_names_table): Likewise.
4634         (get_builtin_code_for_version): Replace feature_list with
4635         isa_names_table.  Update error message for P_ZERO priority.
4636
4637 2019-04-25  Richard Biener  <rguenther@suse.de>
4638
4639         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4640         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4641
4642 2019-04-24  Jeff Law  <law@redhat.com>
4643
4644         PR tree-optimization/90037
4645         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4646         * passes.def: Replace all instance of phi-only cprop with the
4647         lattice propagator.  Move propagation pass from after erroneous
4648         path isolation to before erroneous path isolation.
4649         * tree-ssa-phionlycprop.c: Remove.
4650
4651 2019-04-24  Richard Biener  <rguenther@suse.de>
4652
4653         PR middle-end/90213
4654         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4655         by size and BITS_PER_UNIT on poly-wide-ints.
4656
4657 2019-04-25  Richard Biener  <rguenther@suse.de>
4658
4659         PR middle-end/90194
4660         * match.pd: Add pattern to simplify view-conversion of an
4661         empty constructor.
4662
4663 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4664
4665         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4666         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4667         for Go on 32 bit AIX.
4668         * config/rs6000/aix72.h: Likewise.
4669
4670 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4671
4672         PR target/90193
4673         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4674         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4675
4676 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4677
4678         PR target/89952
4679         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4680         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4681         for restored hard frame pointer.
4682         (s390_sched_dependencies_evaluation): Implement new target hook.
4683         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4684
4685 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4686
4687         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4688         * config/arc/arc.c (arc_init): Cleanup warning message.
4689         (arc_override_options): Likewise.
4690
4691 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4692
4693         PR target/90187
4694         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4695         a register if both if_true and if_false are MEMs.
4696
4697         PR tree-optimization/90208
4698         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4699         after labels of new_bb, not before them.
4700
4701         PR tree-optimization/90211
4702         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4703         which are not SSA_NAMEs.
4704
4705 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4706
4707         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4708         AArch64.
4709         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4710
4711 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4712
4713         PR rtl-optimization/87979
4714         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4715         not equal zero.
4716
4717 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4718
4719         PR rtl-optimization/84032
4720         * modulo-sched.c (ps_insn_find_column): Change condition so that
4721         branch will always be the last insn in a row inside partial
4722         schedule.
4723
4724 2019-04-23  Richard Biener  <rguenther@suse.de>
4725
4726         PR debug/90131
4727         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4728         dest_single_pred_p argument.
4729         (remove_forwarder_block): Adjust.
4730         (remove_forwarder_block_with_phi): Likewise.
4731
4732 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4733             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4734             Jakub Jelinek  <jakub@redhat.com>
4735
4736         PR target/89093
4737         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4738         if used with general-regs-only.
4739         (arm_conditional_register_usage): Don't add non-general regs if
4740         general-regs-only.
4741         (arm_valid_target_attribute_rec): Handle general-regs-only.
4742         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4743         general-regs-only.
4744         (TARGET_HARD_FLOAT_SUB): Define.
4745         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4746         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4747         (TARGET_REALLY_IWMMXT2): Likewise.
4748         * config/arm/arm.opt: Add -mgeneral-regs-only.
4749         * doc/extend.texi: Document ARM general-regs-only target.
4750         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4751
4752 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4753
4754         PR tree-optimization/90078
4755         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4756         checks for infinite_cost overflow.
4757
4758 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4759
4760         PR tree-optimization/90021
4761         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4762         and check univariate against it.
4763         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4764         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4765
4766 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4767
4768         PR target/90178
4769         Revert:
4770         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4771
4772         Revert the revert:
4773         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4774
4775         Revert:
4776         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4777
4778         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4779
4780 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4781
4782         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4783         names using operand format, rather than hard-wired.
4784         (speculation_barrier): Likewise.
4785
4786 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4787
4788         PR tree-optimization/88055
4789         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4790         (gen_one_condition): Use it if !HONOR_NANS.
4791
4792 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4793
4794         PR middle-end/90139
4795         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4796         assign_temp instead of gen_reg_rtx.
4797
4798 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4799
4800         PR translation/90118
4801         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4802         Add missing space before %<.
4803
4804 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4805
4806         PR rtl-optimization/87871
4807         * ira-lives.c (make_object_dead): Don't add conflicts to
4808         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4809
4810 2019-04-18  Martin Sebor  <msebor@redhat.com>
4811
4812         PR middle-end/89797
4813         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4814         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4815         assuming type size fits in SHWI.
4816
4817 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4818
4819         PR ipa/85051
4820         * ipa-inline.c (flatten_function): New parameter UPDATE.
4821         (ipa_inline, early_inliner): Use it.
4822
4823 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4824
4825         * fold-const.c (int_const_binop): Return early on failure.
4826
4827 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4828
4829         PR middle-end/85164
4830         * combine.c (force_int_to_mode): Cast the argument rather than
4831         the result of known_alignment.
4832         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4833
4834 2019-04-18  Richard Biener  <rguenther@suse.de>
4835
4836         PR debug/90131
4837         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4838         out from ...
4839         (remove_forwarder_block): ... here.
4840         (remove_forwarder_block_with_phi): Also move debug stmts here.
4841
4842 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4843
4844         PR translation/79183
4845         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4846         inform where appropriate.
4847
4848 2019-04-18  Richard Biener  <rguenther@suse.de>
4849
4850         * tree.c (get_qualified_type): Put found type variants at the
4851         head of the variant list.
4852
4853 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4854
4855         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4856
4857 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4858
4859         PR target/90125
4860         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4861         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4862         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4863         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4864         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4865
4866 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4867
4868         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4869         even for allocno's with no conflicts.
4870         (print_conflicts): Print an extra newline.
4871
4872 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4873
4874         * auto-inc-dec.c (attempt_change): Set the alignment of the
4875         temporary memory to that of the original.
4876
4877 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4878
4879         * targhooks.c (default_print_patchable_function_entry): Emit
4880         __patchable_function_entries section with writable flags to allow
4881         relocation resolution.
4882
4883 2019-04-17  Jonny Grant  <jg@jguk.org>
4884
4885         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4886
4887 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4888
4889         PR middle-end/90095
4890         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4891         on lowpart SUBREGs.
4892
4893 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4894
4895         * config/arc/arc.c (arc_init): Format diagnostic string.
4896         (arc_override_options): Likewise.
4897         (check_if_valid_regno_const): Likewise.
4898         (arc_reorg): Likewise.
4899
4900 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4901
4902         PR target/17108
4903         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4904         name.
4905         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4906         name.
4907         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4908         (*movdi_update1): Use Pmode.
4909         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4910         (movdi_<mode>_update_stack): Rename to ...
4911         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4912         use Pmode.
4913         (*movsi_update1): Use Pmode.
4914         (*movsi_update2): Use Pmode.
4915         (movsi_update): Rename to ...
4916         (movsi_<mode>_update): ... this.  Use Pmode.
4917         (movsi_update_stack): Fix condition.
4918         (*movhi_update1): Use Pmode.  Fix argument to
4919         avoiding_indexed_address_p.
4920         (*movhi_update2): Ditto.
4921         (*movhi_update3): Ditto.
4922         (*movhi_update4): Ditto.
4923         (*movqi_update1): Ditto.
4924         (*movqi_update2): Ditto.
4925         (*movqi_update3): Ditto.
4926         (*movsf_update1, *movdf_update1): Merge, rename to...
4927         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4928         avoiding_indexed_address_p.  Add "size" attribute.
4929         (*movsf_update2, *movdf_update2): Merge, rename to...
4930         (*mov<mode>_update2): This.  Ditto.
4931         (*movsf_update3): Use Pmode.  Fix argument to
4932         avoiding_indexed_address_p.
4933         (*movsf_update4): Ditto.
4934         (allocate_stack): Simplify condition.  Adjust pattern names.
4935
4936 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4937
4938         PR target/89093
4939         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4940         whitespace at the start of target attribute string.
4941
4942 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4943
4944         PR target/84369
4945         * config/rs6000/power9.md: Add store forwarding bypass.
4946
4947 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4948
4949         PR debug/89528
4950         * valtrack.c (dead_debug_insert_temp): Reset debug references
4951         to the return value of a call being removed.
4952
4953 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4954
4955         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4956         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4957         implement target hook.
4958         (arc_memory_move_cost): New function.
4959         (TARGET_REGISTER_MOVE_COST): Define.
4960         (TARGET_MEMORY_MOVE_COST): Likewise.
4961         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4962         (MEMORY_MOVE_COST): Likewise.
4963
4964 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4965
4966         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4967         (sibcall_value_insn): Likewise.
4968         * config/arc/constraints.md (Rs5): Remove.
4969
4970 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4971
4972         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4973         for last two fake registers.
4974         (arc_conditional_register_usage): Make sure fake frame and arg
4975         pointer regs are in general regs class.
4976         (FRAME_POINTER_MASK): Remove.
4977         (RETURN_ADDR_MASK): Remove.
4978         (arc_must_save_register): Use hard frame regnum.
4979         (frame_restore_reg): Use hard_frame_pointer_rtx.
4980         (arc_save_callee_saves): Likewise.
4981         (arc_restore_callee_saves): Likewise.
4982         (arc_save_callee_enter): Likewise.
4983         (arc_restore_callee_leave): Likewise.
4984         (arc_save_callee_milli): Likewise.
4985         (arc_eh_return_address_location): Likewise.
4986         (arc_check_multi): Use hard frame regnum.
4987         (arc_can_eliminate): Likewise.
4988         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4989         for register allocator.
4990         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4991         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4992         (FRAME_POINTER_REGNUM): Change it to a fake register.
4993         (HARD_FRAME_POINTER_REGNUM): Defined.
4994         (ARG_POINTER_REGNUM): Change it to a new fake register.
4995         (ELIMINABLE_REGS): Update.
4996         (REGISTER_NAMES): Update names.
4997         * config/arc/arc.md (LP_START): Remove.
4998         (LP_END): Likewise.
4999         (shift_si3_loop): Update pattern.
5000
5001 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5002
5003         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
5004         to avoid delay slot scheduling.
5005         (arc_must_save_register): Don't save SP.
5006         * config/arc/arc.md (stack_tie): Remove.
5007         (UNSPEC_ARC_STKTIE): Likewise.
5008
5009 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
5010             Shiva Chen  <shiva0217@gmail.com>
5011
5012         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
5013         code gen with large shift amount.
5014
5015 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
5016
5017         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
5018         subreg.
5019
5020 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
5021
5022         PR target/90096
5023         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
5024         print -m64/-mx32/-m32 if it is true.
5025         (ix86_debug_options, ix86_function_specific_print): Pass true as
5026         ADD_ABI_P to ix86_target_string.
5027         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
5028         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
5029         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
5030
5031         PR rtl-optimization/90082
5032         * dce.c (can_delete_call): New function.
5033         (deletable_insn_p, mark_insn): Use it.
5034
5035         PR tree-optimization/90090
5036         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
5037         throw internally.
5038         (is_division_by_square): Likewise.  Formatting fix.
5039
5040 2019-04-16  Richard Biener  <rguenther@suse.de>
5041
5042         PR tree-optimization/56049
5043         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
5044         equality check if alias-set zero will prevail.
5045
5046 2019-04-15  Jeff Law  <law@redhat.com>
5047
5048         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
5049         size and alignment as unsigned.
5050
5051 2019-04-15  Richard Biener  <rguenther@suse.de>
5052
5053         PR debug/90074
5054         * tree-loop-distribution.c (destroy_loop): Preserve correct
5055         debug info.
5056
5057 2019-04-15  Richard Biener  <rguenther@suse.de>
5058
5059         PR tree-optimization/90071
5060         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
5061         abnormal operands from def stmts.
5062
5063 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
5064
5065         PR rtl-optimization/89794
5066         * combine.c (count_auto_inc): New function.
5067         (try_combine): Count how many auto_inc expressions there were in the
5068         original instructions.  Ensure we have the same number in the new
5069         instructions.  Remove the code that tried to ensure auto_inc side
5070         effects on i1 and i0 are not lost.
5071
5072 2019-04-15  Richard Biener  <rguenther@suse.de>
5073
5074         PR ipa/88936
5075         * tree.h (auto_var_p): Declare.
5076         * tree.c (auto_var_p): New function, split out from ...
5077         (auto_var_in_fn_p): ... here.
5078         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
5079         member.
5080         (new_var_info): Initialize it.
5081         (set_uids_in_ptset): Also set the shadow variable uid if required.
5082         (ipa_pta_execute): Postprocess points-to solutions assigning
5083         shadow variable uids for locals that may reach their containing
5084         function recursively.
5085         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
5086         assert but instead check whether the points-to solution is
5087         a singleton.
5088
5089 2019-04-15  Martin Jambor  <mjambor@suse.cz>
5090
5091         PR ipa/pr89693
5092         * cgraph.c (clone_of_p): Loop over clone chain for each step in
5093         the thunk chain.
5094
5095 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5096
5097         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
5098
5099 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5100             Kito Cheng  <kito.cheng@gmail.com>
5101             Shiva Chen  <shiva0217@gmail.com>
5102
5103         * config/nds32/nds32-md-auxiliary.c
5104         (nds32_legitimize_pic_address): Use new PIC pattern.
5105         (nds32_legitimize_tls_address): Use new TLS pattern.
5106         (nds32_output_symrel): New.
5107         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
5108         (nds32_alloc_relax_group_id): Ditto.
5109         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
5110         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
5111         relax_group_id.
5112         (nds32_group_tls_insn): Ditto.
5113         (nds32_group_float_insns): Ditto.
5114         * config/nds32/nds32.md (tls_le): New.
5115         (sym_got): Ditto.
5116
5117 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
5118
5119         * configure: Add nds32 target for dwarf2 debug_line checking.
5120         * configure.ac: Regenerated.
5121
5122 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
5123
5124         PR lto/89358
5125         * ipa-devirt.c (skip_in_fields_list_p): New.
5126         (odr_types_equivalent_p): Use it.
5127
5128 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
5129
5130         PR target/89093
5131         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
5132         instead of strncmp when checking for thumb and arm.  Formatting fixes.
5133
5134 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
5135
5136         * doc/install.texi: Document --with-target-system-zlib.
5137
5138 2019-04-12  Martin Sebor  <msebor@redhat.com>
5139
5140         PR c/88383
5141         PR c/89288
5142         PR c/89798
5143         PR c/89797
5144         * targhooks.c (default_vector_alignment): Avoid assuming
5145         argument fits in SHWI.
5146         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
5147         a shift expression.
5148         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
5149
5150 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5151
5152         PR rtl-optimization/89965
5153         * dce.c: Include rtl-iter.h.
5154         (struct check_argument_load_data): New type.
5155         (check_argument_load): New function.
5156         (find_call_stack_args): Check for loads from stack slots still tracked
5157         in sp_bytes and punt if any is found.
5158
5159         * config/mips/loongson-mmiintrin.h: Fix up #error message.
5160
5161 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
5162
5163         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
5164         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
5165
5166 2019-04-12  Martin Liska  <mliska@suse.cz>
5167
5168         PR middle-end/89970
5169         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
5170         in error message.
5171         (separate_attrs): Handle multiple 'default's.
5172         (expand_target_clones): Rework error handling code.
5173
5174 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5175
5176         PR target/87532
5177         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
5178         mode of vector rather than mode of destination for move instruction.
5179         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
5180         Use QI inner mode with V16QI vector mode.
5181
5182 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5183
5184         PR target/52726
5185         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
5186         "invalid %%t operand" in output_operand_lossage message.
5187
5188 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
5189
5190         * config/s390/predicates.md (permute_pattern_operand): New
5191         predicate.
5192         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5193         operand for the permute pattern.
5194         ("*vec_perm<mode>"): New insn definition.
5195         ("bswap<mode>"): Generate the permute pattern operand in the
5196         expander and perform the operand reloads for pre arch13 level
5197         already.
5198         ("*bswap<mode>_emu"): Rename to ...
5199         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5200         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5201         Add the USE operand for the permute pattern.
5202         ("*vec_set_bswap_vec<mode>"): Likewise.
5203
5204 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5205
5206         PR c/89946
5207         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5208         and gcc_unreachable if it fails, just call tree_to_uhwi which
5209         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5210         Start warning message with a lower-case letter.  Formatting fixes.
5211
5212         PR rtl-optimization/90026
5213         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5214         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5215         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5216         in cfglayout mode, use emit_barrier_after_bb.
5217
5218 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5219
5220         PR rtl-optimization/87763
5221         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5222         New Instruction.
5223
5224 2019-04-11  Tom de Vries  <tdevries@suse.de>
5225
5226         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5227         max macro using statement expression.
5228
5229 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5230
5231         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5232         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5233         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5234         read_only_private_data_section using xcoff_private_rodata_section_name.
5235         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5236
5237 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5238
5239         PR target/90016
5240         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5241
5242 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5243
5244         PR rtl-optimization/89965
5245         * dce.c (sp_based_mem_offset): New function.
5246         (find_call_stack_args): Use sp_based_mem_offset.
5247
5248 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5249
5250         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5251
5252 2019-04-11  Richard Biener  <rguenther@suse.de>
5253
5254         PR tree-optimization/90020
5255         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5256         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5257         * tree-ssa-pre.c (compute_avail): Use it to not put
5258         possibly trapping references after a call that might not
5259         return into EXP_GEN.
5260         * gcse.c (compute_hash_table_work): Do not elide
5261         marking a block containing a call if the call might not
5262         return.
5263
5264 2019-04-11  Richard Biener  <rguenther@suse.de>
5265
5266         PR tree-optimization/90018
5267         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5268         Test both SLP and interleaving variants.
5269
5270 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5271
5272         * config/s390/8561.md: New file.
5273         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5274         Add arch13 cpu model.
5275         * config/s390/s390-opts.h (enum processor_type): Likewise.
5276         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5277         (s390_get_unit_mask): Likewise.
5278         (s390_is_fpd): Likewise.
5279         (s390_is_fxd): Likewise.
5280         * config/s390/s390.h (s390_tune_attr): Likewise.
5281         * config/s390/s390.md: Include arch13 pipeline description.
5282         * config/s390/s390.opt: Add arch13.
5283
5284 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5285
5286         PR rtl-optimization/87763
5287         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5288         New prototype.
5289         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5290         New function.
5291         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5292         New instruction.
5293         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5294         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5295         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5296         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5297
5298 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5299
5300         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5301         "Although" in -fipa-icf documentation.
5302
5303         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5304         of using multiple -g options.
5305
5306 2019-04-10  Martin Liska  <mliska@suse.cz>
5307
5308         PR gcov-profile/89959
5309         * doc/gcov.texi: Make documentation of -x option
5310         more precise.
5311
5312 2019-04-10  Richard Biener  <rguenther@suse.de>
5313
5314         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5315         member.
5316         (DR_GROUP_SAME_DR_STMT): Remove.
5317         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5318         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5319         replace with assert.
5320         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5321         (vect_record_grouped_load_vectors): Remove unreachable code.
5322
5323 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5324
5325         PR target/90016
5326         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5327         obsolete reference to N.
5328
5329 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5330
5331         PR middle-end/90025
5332         * expr.c (store_expr): Set properly size on the MEM passed to
5333         clear_storage.
5334
5335         PR c++/90010
5336         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5337         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5338         translation is needed, and when translation is needed, only append
5339         ... if the string length is hostsz or more bytes long.  Avoid using
5340         strncpy or strcat.
5341
5342 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5343
5344         PR target/90024
5345         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5346         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5347         into three.
5348         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5349         differences directly.
5350         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5351
5352 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5353
5354         PR translation/90011
5355         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5356         from diagnostics.
5357         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5358         diagnostics.
5359         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5360         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5361         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5362         trailing space from -gsplit-dwarf diagnostics.
5363
5364         PR tree-optimization/89998
5365         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5366         instead of integer_type_node if possible, don't add ranges if return
5367         type is not compatible with int.
5368         * gimple-fold.c (gimple_fold_builtin_sprintf,
5369         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5370         integer_type_node.
5371
5372 2019-04-09  Martin Liska  <mliska@suse.cz>
5373
5374         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5375         * doc/install.texi: Document the new config.
5376
5377 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5378
5379         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5380         use gimple_expr_type for load and store calls.  Skip over the
5381         condition argument in a conditional internal function.
5382         Protect use of TREE_INT_CST_LOW.
5383
5384 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5385
5386         PR target/90015
5387         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5388         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5389         trailing period from it too.
5390
5391 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5392
5393         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5394         * config/aarch64/aarch64.md : Add "tsv110.md"
5395         * config/aarch64/tsv110.md: New file.
5396
5397 2019-04-08  Richard Biener  <rguenther@suse.de>
5398
5399         PR tree-optimization/90006
5400         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5401         calls like lrint.
5402
5403 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5404
5405         PR target/83033
5406         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5407         construction.
5408         (fma_root_node): Likewise.
5409         (func_fma_steering): Likewise.
5410
5411 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5412
5413         PR rtl-optimization/89865
5414         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5415
5416         PR rtl-optimization/89865
5417         * config/i386/i386.md
5418         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5419         numbers not to clash with the additional operands[4].
5420         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5421         with extra register copy in the middle.
5422
5423 2019-04-08  Martin Liska  <mliska@suse.cz>
5424
5425         PR gcov-profile/89961
5426         * doc/gcov.texi: Document data_file.
5427         * gcov.c (generate_results): Add data_info into JSON output.
5428
5429 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5430
5431         PR tree-optimization/89725
5432         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5433         loop's chrec as invariant symbol.
5434         * tree-chrec.h (chrec_contains_symbols): New parameter.
5435         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5436         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5437         function of loops not in DDR's loop_nest.
5438         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5439
5440 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5441
5442         PR target/89623
5443         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5444         Mask.
5445
5446 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5447
5448         PR target/89945
5449         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5450         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5451
5452 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5453
5454         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5455         targetm.fixed_condition_code_regs.
5456
5457 2019-04-05  Richard Biener  <rguenther@suse.de>
5458
5459         PR debug/89892
5460         PR debug/89905
5461         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5462         debug bind stmts but reset them if they are not valid at the
5463         destination.
5464
5465 2019-04-05  Martin Liska  <mliska@suse.cz>
5466
5467         PR translation/89936
5468         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5469         order to wrap keywords or arguments.
5470         * collect2.c (main): Likewise.
5471         (scan_prog_file): Likewise.
5472         (scan_libraries): Likewise.
5473         * common/config/riscv/riscv-common.c
5474         (riscv_subset_list::parsing_subset_version): Likewise.
5475         (riscv_subset_list::parse_std_ext): Likewise.
5476         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5477         Likewise.
5478         * config/arm/arm.c (arm_option_override): Likewise.
5479         * config/cris/cris.c (cris_print_operand): Likewise.
5480         * config/darwin-c.c (darwin_pragma_options): Likewise.
5481         (darwin_pragma_unused): Likewise.
5482         (darwin_pragma_ms_struct): Likewise.
5483         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5484         * config/i386/i386.c (print_reg): Likewise.
5485         (ix86_print_operand): Likewise.
5486         * config/i386/xm-djgpp.h: Likewise.
5487         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5488         * config/m32c/m32c.c (m32c_option_override): Likewise.
5489         * config/msp430/msp430.c (msp430_option_override): Likewise.
5490         * config/nds32/nds32.c (nds32_option_override): Likewise.
5491         * config/nvptx/mkoffload.c (main): Likewise.
5492         * config/rx/rx.c (rx_print_operand): Likewise.
5493         (valid_psw_flag): Likewise.
5494         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5495         (vms_pragma_nomember_alignment): Likewise.
5496         (vms_pragma_extern_model): Likewise.
5497         * lto-wrapper.c (compile_offload_image): Likewise.
5498         * omp-offload.c (oacc_parse_default_dims): Likewise.
5499         * symtab.c (symtab_node::verify_base): Likewise.
5500         * tlink.c (recompile_files): Likewise.
5501         (start_tweaking): Likewise.
5502         * tree-profile.c (parse_profile_filter): Likewise.
5503
5504 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5505
5506         PR tree-optimization/89956
5507         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5508         multiple negates of the same value.
5509
5510 2019-04-04  Martin Sebor  <msebor@redhat.com>
5511
5512         PR middle-end/89957
5513         PR middle-end/89911
5514         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5515         have the same precision since the function crashes otherwise.
5516         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5517         has non-zero arguments.
5518
5519 2019-04-04  Martin Sebor  <msebor@redhat.com>
5520
5521         PR middle-end/89934
5522         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5523         out if the number of arguments is less than expected.
5524
5525 2019-04-04  Jeff Law  <law@redhat.com>
5526
5527         PR rtl-optimization/89399
5528         * ree.c (combine_set_extension): Use single_set rather than
5529         digging into PATTERN for items on the candidate list.
5530         (combine_reaching_defs): Likewise.
5531
5532 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5533
5534         PR rtl-optimization/46590
5535         * loop-invariant.c (find_defs): Move df_remove_problem and
5536         df_process_deferred_rescans to move_invariants.
5537         Move df_live_add_problem and df_live_set_all_dirty calls
5538         to move_invariants.
5539         (move_invariants): Likewise.
5540         (move_loop_invariants): Likewise, making the df_live calls
5541         conditional on -O.  Remove the problem again if we added it
5542         locally.
5543
5544 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5545
5546         PR tree-optimization/89730
5547         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5548         -flive-patching=inline-only-static.
5549         (can_inline_edge_by_limits_p): Add the checking for
5550         -flive-patching=inline-only-static and grant always_inline
5551         even when -flive-patching=inline-only-static is specified.
5552
5553 2019-04-03  Jeff Law  <law@redhat.com>
5554
5555         PR rtl-optimization/81025
5556         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5557
5558 2019-04-03  Richard Biener  <rguenther@suse.de>
5559
5560         PR tree-optimization/84101
5561         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5562         regs.h for hard_regno_nregs.
5563         (cfun_returns): New helper.
5564         (vect_model_store_cost): When vectorizing a store to a decl
5565         we return and the function ABI returns in a multi-reg location
5566         account for the possible spilling that will happen.
5567
5568 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5569
5570         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5571         displacement addresses for vector mode operands.
5572
5573 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5574
5575         * config/arc/arc.c (GMASK_LEN): Define.
5576         (arc_restore_callee_saves): Restore first blink when
5577         !optimize_size.
5578
5579 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5580
5581         * doc/extend.texi: Add deprecated comment on sign-return-address
5582         function attribute and add mbranch-protection.
5583         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5584
5585 2019-04-03  Richard Biener  <rguenther@suse.de>
5586
5587         PR lto/89896
5588         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5589         the all target phony.
5590
5591 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5592
5593         PR target/89902
5594         PR target/89903
5595         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5596         Return false for variable DImode shifts.
5597         (dimode_scalar_chain::compute_convert_gain): Do not handle
5598         register count operand in variable DImode shifts.
5599         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5600         count argument of a variable shift instruction to a vector register.
5601         (dimode_scalar_chain::convert_reg): Remove support to convert
5602         count argument of a variable shift instruction.
5603
5604 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5605
5606         PR rtl-optimization/84206
5607         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5608         iterating over loop headers.
5609
5610 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5611
5612         PR rtl-optimization/85876
5613         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5614         beyond the original fence.
5615
5616 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5617
5618         * config.gcc: Mark spu* targets as deprecated/obsolete.
5619
5620 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5621
5622         * config/s390/s390-builtin-types.def: New builtin function type
5623         definitions. Remove unused types.
5624         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5625         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5626         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5627         overloaded builtins.
5628         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5629         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5630         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5631         (vec_double, vec_signed, vec_unsigned): Define to use the new
5632         overloaded builtins.
5633         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5634         Remove expanders.
5635
5636 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5637
5638         * config/s390/s390-builtin-types.def: New builtin function type
5639         definitions.
5640         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5641         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5642         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5643         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5644         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5645         constant definitions.
5646         * config/s390/vecintrin.h (vec_search_string_cc)
5647         (vec_search_string_until_zero_cc): New builtin name definitions.
5648         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5649         expanders.
5650         ("vec_vstrs<mode>"): New insn definition.
5651
5652 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5653
5654         * config/s390/s390-builtin-types.def: Add new builtin function
5655         types.
5656         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5657         New overloaded builtins.
5658         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5659         s390_vsrd.
5660         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5661         (UNSPEC_VEC_SLDBYTE): ... this.
5662         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5663         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5664         definitions.
5665         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5666         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5667         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5668
5669 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5670
5671         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5672         New insn definition.
5673         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5674         * config/s390/vector.md (V_HW_HSD): ... here.
5675
5676 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5677
5678         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5679         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5680         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5681         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5682         New insn definitions.
5683
5684 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5685
5686         * config/s390/s390-builtin-types.def: Add new builtin function type.
5687         * config/s390/s390-builtins.def: Add overloaded builtin
5688         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5689         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5690         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5691         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5692         ("eltswap<mode>"): New expander.
5693         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5694         insn definitions.
5695
5696 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5697
5698         * config/s390/s390-builtin-types.def: Add new builtin function types.
5699         * config/s390/s390-builtins.def: Add overloaded builtin
5700         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5701         instructions.
5702         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5703         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5704         ("bswap<mode>"): New expander.
5705         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5706
5707 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5708
5709         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5710         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5711         vector builtin version number in __VEC__.
5712
5713 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5714
5715         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5716         iterators.
5717         (SFSI): New mode attribute.
5718         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5719         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5720         rename to ...
5721         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5722         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5723         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5724         ("floatsi<mode>2"): Add wcefb instruction.
5725
5726 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5727
5728         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5729         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5730         mode iterators.
5731         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5732         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5733         support 32 bit fp-int conversions. Rename to ...
5734         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5735         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5736         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5737         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5738         ... to these.
5739
5740 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5741
5742         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5743         if-then-else constructs if we can use the select instruction.
5744         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5745
5746 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5747
5748         * config/s390/s390.md ("*popcountdi_arch13_cc")
5749         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5750         definition.
5751         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5752         Append _z196 to make it ...
5753         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5754         ("popcounthi2_z196"): ... this.
5755         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5756         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5757
5758 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5759
5760         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5761         certain compares for arch13 in order to make use of the condition
5762         code result produced by the new instructions.
5763         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5764         nxrk, and nxgrk instruction patterns.
5765         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5766         (inv_no): Add new code iterator together with some attributes.
5767         ("*andc_split_<mode>"): Disable splitter for arch13.
5768         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5769         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5770         ("*<ANDOR:bitops_name>c<GPR:mode>")
5771         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5772         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5773         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5774         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5775
5776 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5777
5778         * common/config/s390/s390-common.c (processor_flags_table): New
5779         entry for arch13.
5780         * config.gcc: Support arch13 with the --with-arch= configure flag.
5781         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5782         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5783         * config/s390/s390.c (s390_get_sched_attrmask)
5784         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5785         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5786         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5787         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5788         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5789         definitions.
5790         * config/s390/s390.opt: Support arch13 as processor type in
5791         command line options.
5792
5793 2019-04-02  Martin Liska  <mliska@suse.cz>
5794
5795         PR translation/89912
5796         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5797         Fix param description of graphite-max-arrays-per-scop.
5798
5799 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5800
5801         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5802         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5803         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5804
5805 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5806
5807         PR rtl-optimization/85412
5808         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5809         sel_sched_region_1, not after.
5810
5811 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5812
5813         PR rtl-optimization/86928
5814         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5815         compute_live if necessary.
5816         (sel_redirect_edge_and_branch): Likewise.
5817
5818 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5819
5820         PR rtl-optimization/89865
5821         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5822         register if it is a part of small class.
5823
5824 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5825
5826         PR rtl-optimization/87273
5827         * sel-sched-ir.c (merge_fences): Remove assert.
5828
5829 2019-04-01  Richard Biener  <rguenther@suse.de>
5830
5831         PR tree-optimization/46590
5832         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5833         (dom_walker::m_reachability): Add in place of...
5834         (dom_walker::m_skip_unreachable_blocks): ...this.
5835         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5836         Move complex initialization ...
5837         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5838         lazily and initialize edge flags on each invocation.
5839         (dom_walker::bb_reachable): Use m_reachability.
5840
5841 2019-04-01  Martin Liska  <mliska@suse.cz>
5842
5843         PR driver/89861
5844         * opt-suggestions.c (option_proposer::build_option_suggestions):
5845         Add variant without any argument in order to provide better
5846         hints.
5847
5848 2019-04-01  Richard Biener  <rguenther@suse.de>
5849
5850         PR c/71598
5851         * gimple.c: Include langhooks.h.
5852         (gimple_get_alias_set): Treat enumeral types as the underlying
5853         integer type.
5854
5855 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5856             Eric Botcazou  <ebotcazou@adacore.com>
5857
5858         PR rtl-optimization/89862
5859         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5860         that operates on the full registers for WORD_REGISTER_OPERATIONS
5861         architectures.
5862
5863 2019-03-29  Jim Wilson  <jimw@sifive.com>
5864
5865         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5866         Clear MASK_RVC and then set if C subset supported.
5867
5868 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5869
5870         PR c/89872
5871         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5872         non-addressable complit into its initializer if it is volatile.
5873
5874 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5875
5876         * opts-common.c (integral_argument): Set errno properly in one case.
5877
5878 2019-03-29  Martin Liska  <mliska@suse.cz>
5879
5880         * doc/invoke.texi: Remove -Wchkp from documentation.
5881
5882 2019-03-29  Martin Liska  <mliska@suse.cz>
5883
5884         * dbgcnt.c (print_limit_reach): New function.
5885         (dbg_cnt): Use it.
5886
5887 2019-03-29  Martin Liska  <mliska@suse.cz>
5888
5889         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5890         (dbg_cnt_process_opt): Parse first tokens aas
5891         dbg_cnt_process_single_pair is also using strtok.
5892
5893 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5894
5895         PR rtl-optimization/87485
5896         * function.c (expand_function_end): Move stack_protect_epilogue
5897         before loading of return value into hard register(s).
5898
5899 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5900
5901         PR middle-end/89621
5902         * tree-inline.h (struct copy_body_data): Add
5903         dont_remap_vla_if_no_change flag.
5904         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5905         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5906         and remap_type_2 returns false.
5907         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5908         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5909         only from where it is copied to nested contexts.
5910
5911 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5912
5913         PR target/89865
5914         * config/i386/i386.md (RMW operation with LEA peephole):
5915         Use LEAMODE mode attribute instead of SWI mode iterator for
5916         LEA pattern.
5917
5918 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5919
5920         PR target/89848
5921         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5922         Also process XEXP (src, 0) of a shift insn.
5923
5924 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5925
5926         PR middle-end/89725
5927         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5928         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5929
5930 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5931
5932         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5933         test.
5934         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5935         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5936         immediately after first one with df_analyze in between, but rather
5937         process all bbs, queueing ones that need second pass in a worklist,
5938         df_analyze, process queued debug insn changes and if second pass is
5939         needed, process bbs from worklist, df_analyze, process queued debug
5940         insns again.
5941
5942         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5943         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5944         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5945
5946 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5947
5948         PR c/79022
5949         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5950         definition.
5951
5952 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5953
5954         PR target/85667
5955         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5956         function for 32-bit MS_ABI.
5957         (function_value_ms_32): New function.
5958
5959 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5960
5961         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5962         (movdi): Call gen_movdi_symbol_save_scc.
5963         (gen_movdi_symbol_save_scc): New insn and split.
5964
5965 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5966
5967         PR rtl-optimization/89313
5968         * function.c (matching_constraint_num): New static function.
5969         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5970         Don't replace inputs with non-matching constraints which conflict
5971         with early clobber outputs.
5972
5973 2019-03-27  Jeff Law  <law@redhat.com>
5974
5975
5976         PR rtl-optimization/87761
5977         PR rtl-optimization/89826
5978         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5979         slightly later.
5980         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5981         note problem to get REG_DEAD/REG_UNUSED notes updated.
5982
5983 2019-03-27  Richard Biener  <rguenther@suse.de>
5984
5985         PR tree-optimization/89463
5986         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5987         queue edges to remove.
5988         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5989         dead stmts.  Delay edge removal until PHIs are removed to
5990         make debug-stmt creation not confused by seemingly degenerate
5991         PHIs.
5992
5993 2019-03-27  Alan Modra  <amodra@gmail.com>
5994
5995         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
5996         throughout file.
5997         * config/rs6000/darwin.h: Likewise.
5998         * config/rs6000/rs6000.c: Likewise.
5999
6000 2019-03-27  Alan Modra  <amodra@gmail.com>
6001
6002         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
6003         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
6004
6005 2019-03-26  Andrew Waterman  <andrew@sifive.com>
6006             Jim Wilson  <jimw@sifive.com>
6007
6008         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
6009         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
6010         (generic_idivdi, generic_fmul_single, generic_fmul_double)
6011         (generic_fdiv, generic_fsqrt): Add check for generic tune.
6012         (generic_alu): Add auipc to type list.
6013         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
6014         (riscv_microarchitecture): Declare.
6015         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
6016         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
6017         field.
6018         (riscv_microarchitecture): New.
6019         (sifive_7_tune_info): New.
6020         (riscv_cpu_info_table): Add microarchitecture value for rocket and
6021         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
6022         entries.
6023         (riscv_store_data_bypass_p): New.
6024         (riscv_option_override): Set riscv_microarchitecture from
6025         cpu->microarchitecture.
6026         * config/riscv/riscv.md: Include sifive-7.md.
6027         (type): Add auipc.
6028         (tune): New.
6029         (auipc<mode>): Change type to auipc.
6030         (restore_stack_nonlocal): New.
6031         * config/riscv/sifive-7.md: New.
6032         * doc/invoke.texi (RISC-V Options): Update mtune docs.
6033
6034 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
6035
6036         PR target/89827
6037         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6038         Also process XEXP (src, 0) of a shift insn.
6039
6040 2019-03-26  Richard Biener  <rguenther@suse.de>
6041
6042         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
6043         (copy_debug_stmt): Likewise.
6044         (expand_call_inline): Likewise.
6045         (copy_bb): Avoid redundant lookup & set of gimple_block.
6046         * gimple-low.c (lower_gimple_return): Likewise.
6047         (lower_builtin_setjmp): Likewise.
6048
6049 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
6050
6051         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
6052         is constant 0, turn into static const data member initialized to false.
6053         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
6054         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
6055
6056 2019-03-26  Jason Merrill  <jason@redhat.com>
6057             Jakub Jelinek  <jakub@redhat.com>
6058
6059         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
6060         method.
6061         (mem_alloc_description::release_object_overhead): Fix comment typos.
6062         * hash-table.h (hash_table::~hash_table): Call
6063         release_instance_overhead only if m_entries is non-NULL, otherwise
6064         call unregister_descriptor.
6065
6066 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
6067
6068         PR tree-optimization/81740
6069         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6070         In case of outer loop vectorization, check for backward dependence
6071         at the inner loop if outer loop dependence is reversed.
6072
6073 2019-03-26  Alan Modra  <amodra@gmail.com>
6074
6075         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
6076         rs6000_vector_mem init.  Correct wI and wJ comment.
6077
6078 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
6079
6080         PR rtl-optimization/88347
6081         PR rtl-optimization/88423
6082         * sched-deps.c (sched_analyze_insn): Take into account that for
6083         tablejumps the barrier appears after a label and a jump_table_data.
6084
6085 2019-03-25  Martin Sebor  <msebor@redhat.com>
6086
6087         PR c/89812
6088         * c-common.c (check_user_alignment): Rename local.  Correct maximum
6089         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
6090         convert it to UHWI when it fits.
6091
6092 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
6093
6094         PR debug/86964
6095         * dwarf2out.c (premark_used_variables): New function.
6096         (prune_unused_types_walk): Do not mark not premarked external
6097         variables.
6098         (prune_unused_types): Call premark_used_variables.
6099
6100 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
6101
6102         PR rtl-optimization/89676
6103         * lra-constraints.c (curr_insn_transform): Do match reload for
6104         early clobbers when the match was successful only for different
6105         registers.
6106
6107 2019-03-25  Martin Sebor  <msebor@redhat.com>
6108
6109         * doc/extend.texi (Common Type Attributes): Document vector_size.
6110         (Common Variable Attributes): Mention size constraint.  Correct
6111         quoting and typos.
6112         (Vector Extensions): Use @dfn when defining bas type.  Clarify
6113         base type and size constraints.
6114
6115 2019-03-25  Richard Biener  <rguenther@suse.de>
6116
6117         PR tree-optimization/89789
6118         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
6119         changes from non-undefined back to undefined.
6120
6121 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
6122
6123         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
6124         heap string and a gc string, but since this variable is unknown to
6125         ggc the gc string might get reused and corrupted. Fixed by always
6126         using a heap string.
6127
6128 2019-03-25  Richard Biener  <rguenther@suse.de>
6129
6130         PR tree-optimization/89779
6131         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
6132         to remove IV defs, delay actual removal.
6133         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
6134         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
6135         very end, properly also reset loop control IV information.
6136
6137 2019-03-25  Richard Biener  <rguenther@suse.de>
6138
6139         PR tree-optimization/89802
6140         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
6141         move EH data to folded stmt.
6142
6143 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6144
6145         * config/s390/s390-builtin-types.def: Remove few unused types and
6146         fix sort order for others.
6147
6148 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6149
6150         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
6151         expected and found types with -mdebug during builtin matching.
6152
6153 2019-03-25  Richard Biener  <rguenther@suse.de>
6154
6155         PR middle-end/89790
6156         * fold-const.c (operand_equal_p): Revert last change with
6157         updated comment.
6158
6159 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
6160
6161         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
6162         notes for the result of the __tls_get_addr calls.
6163         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
6164
6165 2019-03-24  Jeff Law  <law@redhat.com>
6166
6167         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
6168
6169         PR rtl-optimization/87761
6170         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
6171         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
6172         as needed.
6173         (pass_cprop_hardreg::execute): Add df note problem and defer insn
6174         rescans.  Reprocess blocks as needed, calling df_analyze before
6175         reprocessing.  Always call df_analyze before fixing up debug bind
6176         insns.
6177
6178 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
6179
6180         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
6181         big endian.
6182
6183 2019-03-22  Andrew Pinski  <apinski@marvell.com>
6184
6185         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
6186         attrribute for uxtw.
6187
6188 2019-03-26  Jeff Law  <law@redhat.com>
6189
6190         PR rtl-optimization/87761
6191         * config/mips/mips-protos.h (mips_split_move): Add new argument.
6192         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6193         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6194         into the next instruction.
6195         (mips_split_move_insn): Pass INSN through to mips_split_move.
6196
6197 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6198
6199         PR rtl-optimization/89676
6200         * lra-constraints.c (curr_insn_transform): Do match reload for
6201         early clobbers even if the match was successful.
6202
6203 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6204
6205         PR c++/87481
6206         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6207
6208 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6209
6210         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6211
6212 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6213
6214         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6215         <avx512>_fmsub_<mode>_mask3<round_name>,
6216         <avx512>_fnmadd_<mode>_mask3<round_name>,
6217         <avx512>_fnmsub_<mode>_mask3<round_name>,
6218         avx512f_vmfmadd_<mode>_mask3<round_name>,
6219         avx512f_vmfmsub_<mode>_mask3<round_name>,
6220         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6221         instead of register_operand and %v instead of v for match_operand 1.
6222         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6223         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6224         <round_nimm_predicate> instead of register_operand and %v instead of v
6225         for match_operand 1.
6226
6227         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6228         <avx512>_fmadd_<mode>_mask3<round_name>,
6229         <avx512>_fmsub_<mode>_mask<round_name>,
6230         <avx512>_fmsub_<mode>_mask3<round_name>,
6231         <avx512>_fnmadd_<mode>_mask<round_name>,
6232         <avx512>_fnmadd_<mode>_mask3<round_name>,
6233         <avx512>_fnmsub_<mode>_mask<round_name>,
6234         <avx512>_fnmsub_<mode>_mask3<round_name>,
6235         <avx512>_fmaddsub_<mode>_mask<round_name>,
6236         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6237         <avx512>_fmsubadd_<mode>_mask<round_name>,
6238         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6239         <round_nimm_predicate> instead of nonimmediate_operand.
6240         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6241         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6242         Use register_operand instead of <round_nimm_predicate> for the
6243         operand that needs to match output.
6244         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6245         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6246         Likewise.  Formatting fixes.
6247
6248         PR target/89784
6249         * config/i386/i386.c (enum ix86_builtins): Remove
6250         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6251         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6252         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6253         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6254         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6255         __builtin_ia32_vfmsubss3_mask3): New builtins.
6256         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6257         avx512f_vmfmadd_<mode>_mask3<round_name>,
6258         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6259         *avx512f_vmfmsub_<mode>_mask<round_name>,
6260         avx512f_vmfmsub_<mode>_mask3<round_name>,
6261         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6262         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6263         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6264         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6265         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6266         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6267         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6268         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6269         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6270         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6271         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6272         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6273         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6274         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6275         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6276         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6277         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6278         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6279         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6280         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6281         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6282         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6283         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6284         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6285         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6286         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6287         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6288         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6289
6290 2019-03-21  Martin Sebor  <msebor@redhat.com>
6291
6292         PR tree-optimization/89350
6293         * builtins.c (compute_objsize): Also ignore offsets whose upper
6294         bound is negative.
6295         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6296         (builtin_memref::builtin_memref): Initialize new member.
6297         Allow EXPR to be null.
6298         (builtin_memref::extend_offset_range): Replace local with a member.
6299         Avoid assuming pointer offsets are unsigned.
6300         (builtin_memref::set_base_and_offset): Determine base object
6301         before computing offset range.
6302         (builtin_access::builtin_access): Handle memset.
6303         (builtin_access::generic_overlap): Replace local with a member.
6304         (builtin_access::strcat_overlap): Same.
6305         (builtin_access::overlap): Same.
6306         (maybe_diag_overlap): Same.
6307         (maybe_diag_access_bounds): Same.
6308         (wrestrict_dom_walker::check_call): Handle memset.
6309         (check_bounds_or_overlap): Same.
6310
6311 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6312             Jakub Jelinek  <jakub@redhat.com>
6313
6314         PR lto/89692
6315         * tree.c (fld_type_variant, fld_incomplete_type_of,
6316         fld_process_array_type): Call fld->pset.add and don't call
6317         add_tree_to_fld_list if it returns true.
6318         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6319         non-marked types from TYPE_NEXT_VARIANT list.
6320         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6321
6322 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6323
6324         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6325         to false, if true, don't alloc_entries during construction, but defer
6326         it to the first method that needs m_entries allocated.
6327         (hash_table::hash_table, hash_table::~hash_table,
6328         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6329         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6330         hash_table::clear_slot, hash_table::traverse_noresize,
6331         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6332         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6333         false.
6334         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6335         NO_INSERT instead of find_with_hash.
6336         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6337         hash_set::m_table): Add Lazy to template params of hash_table.
6338         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6339         * attribs.c (test_attribute_exclusions): Likewise.
6340         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6341         hash_set.  Add tests for hash_set with Lazy = true.
6342
6343 2019-03-21  Richard Biener  <rguenther@suse.de>
6344
6345         PR tree-optimization/89779
6346         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6347         checks with respect to released SSA names now having error_mark_node
6348         type.
6349         * fold-const.c (operand_equal_p): Likewise.
6350
6351 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6352
6353         PR target/89775
6354         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6355         available to ...
6356         (s390_optimize_register_info): Use global_not_special_regno_p to
6357         check for global regs.
6358
6359 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6360
6361         PR target/89752
6362         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6363         update this_alternative nor this_alternative_set.
6364
6365 2019-03-19  Jim Wilson  <jimw@sifive.com>
6366
6367         PR target/89411
6368         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6369         align, size, offset.  Use them to handle a BLKmode reference.  Update
6370         comment.
6371         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6372
6373 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6374
6375         PR rtl-optimization/89768
6376         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6377         instead of GEN_INT.
6378         (unroll_loop_runtime_iterations): Likewise.
6379
6380 2019-03-19  Martin Sebor  <msebor@redhat.com>
6381
6382         PR tree-optimization/89644
6383         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6384         rather than endptr as an indicator of nul-termination.
6385
6386         PR tree-optimization/89644
6387         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6388         arrays in determining sequence sizes in strncpy and stpncpy.
6389
6390 2019-03-19  Martin Liska  <mliska@suse.cz>
6391
6392         PR middle-end/89737
6393         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6394         unlikely_edges if there's an edge that belongs to both these sets.
6395
6396 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6397
6398         PR target/89746
6399         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6400         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6401         go via a stack temporary.
6402
6403 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6404
6405         PR target/89378
6406         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6407         instead of gen_rtx_SUBREG.
6408         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6409
6410 2019-03-19  Richard Biener  <rguenther@suse.de>
6411
6412         PR debug/88389
6413         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6414
6415 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6416
6417         PR lto/87809
6418         PR lto/89335
6419         * tree.c (free_lang_data_in_decl): Do not free context of C++
6420         destrutors.
6421
6422 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6423
6424         PR target/89506
6425         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6426         subs for the first alternative except when operands[3] is 1.
6427
6428         PR target/89752
6429         * gimplify.c (gimplify_asm_expr): For output argument with
6430         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6431         diagnose error.
6432
6433 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6434
6435         PR rtl-optimization/89753
6436         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6437         explicit unrolling factor even more robust.
6438
6439 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6440
6441         PR target/89726
6442         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6443         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6444         signed zeros, do another copysign after the compensation.
6445
6446 2019-03-18  Martin Sebor  <msebor@redhat.com>
6447
6448         PR tree-optimization/89720
6449         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6450         more conservatively, the same as anti-range.
6451
6452 2019-03-18  Richard Biener  <rguenther@suse.de>
6453
6454         PR middle-end/88945
6455         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6456         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6457         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6458         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6459
6460 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6461
6462         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6463         Extend queue to 1024 entries.
6464         Add "consumed" field.
6465         (gomp_print_output): Remove print_index parameter.
6466         Add final parameter.
6467         Change limit to unsigned.
6468         Use consumed field to implement circular buffer.
6469         Detect interrupted print in final pass.
6470         Flush output at the end.
6471         (run): Update gomp_print_output usage.
6472         (main): Initialize kernargs->output_data.consumed.
6473
6474 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6475
6476         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6477         calculation of the minimum number of scalar iterations for
6478         fully-predicated loops.
6479
6480 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6481
6482         PR tree-optimization/89546
6483         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6484         any propagation to its children took place.
6485
6486 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6487
6488         PR target/89627
6489         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6490         parameter, and make use of it.
6491         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6492
6493 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6494
6495         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6496         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6497         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6498         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6499         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6500         match what the ops is doing.
6501         (push_multi_fp_blink): Likewise.
6502         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6503         compiling for size and elf target.
6504         (arc_save_callee_enter): Adjust note to match what enter/leave
6505         operation does.
6506
6507 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6508
6509         * config/arc/arc.md (tst_movb): Fix constraint.
6510
6511 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6512
6513         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6514
6515 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6516
6517         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6518         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6519         reg_alloc_order references.
6520         (size_alloc_order): Define.
6521         (arc_adjust_reg_alloc_order): New function.
6522         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6523         order.
6524         (ADJUST_REG_ALLOC_ORDER): Define.
6525         (HONOR_REG_ALLOC_ORDER): Likewise.
6526
6527 2019-03-18  Richard Biener  <rguenther@suse.de>
6528
6529         PR target/87561
6530         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6531         loads and stores a bit more.
6532
6533 2019-03-18  Richard Biener  <rguenther@suse.de>
6534
6535         PR target/87561
6536         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6537         load pessimization to stores as well.
6538
6539 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6540
6541         PR middle-end/86979
6542         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6543         successor, use NULL as its av set.
6544
6545 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6546
6547         PR rtl-optimization/89721
6548         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6549
6550 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6551
6552         PR target/87532
6553         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6554         When handling vec_extract, use modular arithmetic to allow
6555         constant selectors greater than vector length.
6556         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6557         V1TImode vectors to have constant selector values greater than 0.
6558         Use modular arithmetic to compute vector index.
6559         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6560         index for in-memory vectors.  Correct code generation for
6561         in-register vectors.
6562         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6563         compute index.
6564
6565 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6566
6567         PR c++/88534
6568         PR c++/88537
6569         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6570         VAR_DECL args.
6571
6572 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6573
6574         PR c++/89709
6575         * tree.c (inchash::add_expr): Strip any location wrappers.
6576         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6577         after hash verification.
6578
6579         PR debug/89704
6580         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6581         SIGN_EXTEND and ZERO_EXTEND.
6582
6583 2019-03-14  Jason Merrill  <jason@redhat.com>
6584             Jakub Jelinek  <jakub@redhat.com>
6585
6586         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6587         than if is_empty (*slot).
6588         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6589         existing elt and for elt removal.
6590         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6591         of already removed elt.
6592
6593 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6594
6595         PR target/89650
6596         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6597         REG_EH_REGION note.
6598
6599 2019-03-14  Martin Liska  <mliska@suse.cz>
6600
6601         PR other/89712
6602         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6603
6604 2019-03-14  Richard Biener  <rguenther@suse.de>
6605
6606         PR target/89711
6607         * config/i386/i386.c (make_resolver_func): Properly set
6608         DECL_CONTEXT on the RESULT_DECL.
6609         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6610
6611 2019-03-14  Richard Biener  <rguenther@suse.de>
6612
6613         * gimple-pretty-print.c: Include cfgloop.h.
6614         (dump_gimple_phi): Adjust.
6615         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6616         (pp_cfg_jump): Adjust.
6617         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6618         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6619         (lower_phi_internal_fn): Remove.
6620         (verify_gimple_call): Remove IFN_PHI special-casing.
6621         (dump_function_to_file): Dump IL state.
6622         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6623         done to deal with PHI nodes being present in non-SSA state.
6624
6625 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6626
6627         PR ipa/89684
6628         * multiple_target.c (create_dispatcher_calls): Change
6629         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6630         In the node->iterate_referring loop, push *ref rather than ref, call
6631         ref->remove_reference () and always pass 0 to iterate_referring.
6632
6633         PR rtl-optimization/89679
6634         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6635         would contain a paradoxical SUBREG.
6636
6637 2019-03-14  Richard Biener  <rguenther@suse.de>
6638
6639         PR tree-optimization/89710
6640         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6641         safe_dyn_cast.
6642
6643 2019-03-14  Martin Liska  <mliska@suse.cz>
6644
6645         * coverage.c (coverage_begin_function): Stream also
6646         end_column.
6647         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6648         documentation about function declaration location.
6649         * gcov-dump.c (tag_function): Print whole range
6650         of function declaration.
6651         * gcov.c (struct function_info): Add end_column field.
6652         (function_info::function_info): Initialize it.
6653         (output_json_intermediate_file): Output {start,end}_column
6654         fields.
6655         (read_graph_file): Read end_column.
6656
6657 2019-03-14  Richard Biener  <rguenther@suse.de>
6658
6659         PR middle-end/89698
6660         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6661         that the access types are similar.
6662
6663 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6664
6665         PR tree-optimization/89703
6666         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6667         aren't compatible also with builtin_decl_explicit.  Check pure
6668         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6669         and BUILT_IN_STPNCPY{,_CHK}.
6670
6671 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6672
6673         PR target/89523
6674         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6675         addr32 prefix to VSIB address for X32.
6676         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6677         "%M2" to opcode.
6678         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6679         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6680         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6681         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6682         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6683         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6684         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6685         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6686         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6687         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6688         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6689         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6690         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6691         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6692         (*avx512f_scatterdi<mode>): Likewise.
6693
6694 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6695
6696         PR target/85860
6697         * lra-constraints.c (inherit_in_ebb): Update
6698         potential_reload_hard_regs along with live_hard_regs.
6699
6700 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6701
6702         PR debug/89498
6703         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6704         DWARF_OFFSET_SIZE.
6705         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6706
6707 2019-03-13  Martin Sebor  <msebor@redhat.com>
6708
6709         PR tree-optimization/89662
6710         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6711         has a size.
6712
6713 2019-03-13  Richard Biener  <rguenther@suse.de>
6714
6715         PR middle-end/89677
6716         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6717         throw FP expressions at tree-affine.
6718
6719 2019-03-14  Richard Biener  <rguenther@suse.de>
6720
6721         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6722         dump negative integer constants using _Literal (type) -num.
6723
6724 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6725
6726         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6727         nonlocal_value member.
6728
6729         PR middle-end/88588
6730         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6731         (ipa_simd_modify_function_body): Handle PHIs.
6732
6733 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6734
6735         * config/s390/s390.c (s390_option_override_internal): Use more
6736         aggressive inlining parameters.
6737
6738 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6739
6740         * config/s390/3906.md: New file.
6741         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6742         (LONGRUNNING_THRESHOLD): Remove.
6743         (MAX_SCHED_MIX_SCORE): Decrease.
6744         (MAX_SCHED_MIX_DISTANCE): Decrease.
6745         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6746         (struct s390_sched_state): New struct to hold scheduling state.
6747         (S390_SCHED_STATE_NORMAL): Remove.
6748         (S390_SCHED_STATE_CRACKED): Remove.
6749         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6750         (s390_get_sched_attrmask): Use new attribute.
6751         (s390_get_unit_mask): Use new units.
6752         (s390_is_fpd): New function.
6753         (s390_is_fxd): New function.
6754         (s390_is_longrunning): New function.
6755         (s390_sched_score): Use new functions.
6756         (s390_sched_reorder): Likewise.
6757         (s390_sched_variable_issue): Rework and use new functions.
6758         (s390_sched_init): Use new functions.
6759         * config/s390/s390.h (s390_tune_attr):  Add z14.
6760         * config/s390/s390.md: Add z14.
6761
6762 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6763
6764         * config/s390/2964.md: Update pipeline description.
6765         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6766         (LONGRUNNING_THRESHOLD): Remove.
6767         (LATENCY_FACTOR): Remove.
6768         (s390_get_unit_mask): Add unit.
6769         (s390_sched_score): Use fxd/fpd.
6770         (s390_sched_variable_issue): Use fxd/fpd.
6771
6772 2019-03-12  Martin Liska  <mliska@suse.cz>
6773
6774         * config/i386/i386.c: Reword an error message.
6775
6776 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6777
6778         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6779         terminate with newline.
6780
6781 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6782
6783         PR target/52726
6784         * config/s390/s390.md (tabort): Use %wd instead of
6785         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6786         letters and periods.
6787         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6788         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6789         's with %< and %>.
6790
6791         PR middle-end/89663
6792         * builtins.c (expand_builtin_int_roundingfn,
6793         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6794         gcc_unreachable if validate_arglist fails.
6795
6796 2019-03-12  Richard Biener  <rguenther@suse.de>
6797
6798         PR tree-optimization/89664
6799         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6800         free the occurance tree after the early out.
6801
6802 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6803
6804         PR middle-end/89655
6805         PR bootstrap/89656
6806         * vr-values.c (vr_values::update_value_range): If
6807         old_vr->varying_p (), don't update it, make new_vr also VARYING
6808         and return false.
6809
6810 2019-03-11  Martin Liska  <mliska@suse.cz>
6811
6812         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6813         Fix double string quoting.
6814
6815 2019-03-11  Martin Liska  <mliska@suse.cz>
6816
6817         * collect-utils.c (collect_wait): Wrap apostrophes
6818         in gcc internal format with %'.
6819         * collect2.c (main): Likewise.
6820         (scan_prog_file): Likewise.
6821         (scan_libraries): Likewise.
6822         * config/i386/i386.c (ix86_expand_call): Likewise.
6823         (ix86_handle_interrupt_attribute): Likewise.
6824         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6825         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6826         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6827         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6828         * symtab.c (symtab_node::verify_base): Likewise.
6829         * tree-cfg.c (verify_gimple_label): Likewise.
6830         * tree.c (verify_type_variant): Likewise.
6831
6832 2019-03-11  Martin Liska  <mliska@suse.cz>
6833
6834         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6835         in a string format message and fix GNU coding style.
6836         (expand_builtin_set_thread_pointer): Likewise.
6837         * common/config/aarch64/aarch64-common.c
6838         (aarch64_rewrite_selected_cpu): Likewise.
6839         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6840         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6841         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6842         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6843         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6844         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6845         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6846         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6847         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6848         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6849         Likewise.
6850         * common/config/riscv/riscv-common.c
6851         (riscv_subset_list::parsing_subset_version): Likewise.
6852         (riscv_subset_list::parse_std_ext): Likewise.
6853         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6854         (riscv_subset_list::parse): Likewise.
6855         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6856         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6857         (aarch64_override_options_internal): Likewise.
6858         (aarch64_validate_mcpu): Likewise.
6859         (aarch64_validate_march): Likewise.
6860         (aarch64_validate_mtune): Likewise.
6861         (aarch64_override_options): Likewise.
6862         * config/alpha/alpha.c (alpha_option_override): Likewise.
6863         * config/arc/arc.c (arc_init): Likewise.
6864         (parse_mrgf_banked_regs_option): Likewise.
6865         (arc_override_options): Likewise.
6866         (arc_expand_builtin_aligned): Likewise.
6867         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6868         (arm_expand_builtin): Likewise.
6869         * config/arm/arm.c (arm_option_check_internal): Likewise.
6870         (arm_configure_build_target): Likewise.
6871         (arm_option_override): Likewise.
6872         (arm_options_perform_arch_sanity_checks): Likewise.
6873         (arm_handle_cmse_nonsecure_entry): Likewise.
6874         (arm_handle_cmse_nonsecure_call): Likewise.
6875         (arm_tls_referenced_p): Likewise.
6876         (thumb1_expand_prologue): Likewise.
6877         * config/avr/avr.c (avr_option_override): Likewise.
6878         * config/bfin/bfin.c (bfin_option_override): Likewise.
6879         * config/c6x/c6x.c (c6x_option_override): Likewise.
6880         * config/cr16/cr16.c (cr16_override_options): Likewise.
6881         * config/cris/cris.c (cris_option_override): Likewise.
6882         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6883         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6884         * config/darwin.c (darwin_override_options): Likewise.
6885         * config/frv/frv.c (frv_expand_builtin): Likewise.
6886         * config/h8300/h8300.c (h8300_option_override): Likewise.
6887         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6888         (ix86_option_override_internal): Likewise.
6889         (warn_once_call_ms2sysv_xlogues): Likewise.
6890         (ix86_expand_prologue): Likewise.
6891         (split_stack_prologue_scratch_regno): Likewise.
6892         (ix86_warn_parameter_passing_abi): Likewise.
6893         * config/ia64/ia64.c (fix_range): Likewise.
6894         * config/m68k/m68k.c (m68k_option_override): Likewise.
6895         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6896         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6897         (mips_set_compression_mode): Likewise.
6898         * config/mmix/mmix.c (mmix_option_override): Likewise.
6899         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6900         * config/msp430/msp430.c (msp430_option_override): Likewise.
6901         * config/nds32/nds32.c (nds32_option_override): Likewise.
6902         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6903         (nios2_option_override): Likewise.
6904         (nios2_expand_custom_builtin): Likewise.
6905         * config/nvptx/mkoffload.c (main): Likewise.
6906         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6907         * config/pa/pa.c (fix_range): Likewise.
6908         (pa_option_override): Likewise.
6909         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6910         (riscv_option_override): Likewise.
6911         * config/rl78/rl78.c (rl78_option_override): Likewise.
6912         * config/rs6000/aix61.h: Likewise.
6913         * config/rs6000/aix71.h: Likewise.
6914         * config/rs6000/aix72.h: Likewise.
6915         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6916         * config/rs6000/freebsd64.h: Likewise.
6917         * config/rs6000/linux64.h: Likewise.
6918         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6919         (rs6000_expand_zeroop_builtin): Likewise.
6920         (rs6000_expand_mtfsb_builtin): Likewise.
6921         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6922         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6923         (rs6000_invalid_builtin): Likewise.
6924         (rs6000_expand_split_stack_prologue): Likewise.
6925         * config/rs6000/rtems.h: Likewise.
6926         * config/rx/rx.c (valid_psw_flag): Likewise.
6927         (rx_expand_builtin): Likewise.
6928         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6929         * config/s390/s390.c (s390_expand_builtin): Likewise.
6930         (s390_function_profiler): Likewise.
6931         (s390_option_override_internal): Likewise.
6932         (s390_option_override): Likewise.
6933         * config/sh/sh.c (sh_option_override): Likewise.
6934         (sh_builtin_saveregs): Likewise.
6935         (sh_fix_range): Likewise.
6936         * config/sh/vxworks.h: Likewise.
6937         * config/sparc/sparc.c (sparc_option_override): Likewise.
6938         * config/spu/spu.c (spu_option_override): Likewise.
6939         (fix_range): Likewise.
6940         * config/visium/visium.c (visium_option_override): Likewise.
6941         (visium_handle_interrupt_attr): Likewise.
6942         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6943         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6944         (dbg_cnt_process_opt): Likewise.
6945         * dwarf2out.c (output_dwarf_version): Likewise.
6946         * except.c (expand_eh_return): Likewise.
6947         * gcc.c (defined): Likewise.
6948         (driver_handle_option): Likewise.
6949         (process_command): Likewise.
6950         (compare_files): Likewise.
6951         (driver::prepare_infiles): Likewise.
6952         (driver::do_spec_on_infiles): Likewise.
6953         (driver::maybe_run_linker): Likewise.
6954         * omp-offload.c (oacc_parse_default_dims): Likewise.
6955         * opts-global.c (handle_common_deferred_options): Likewise.
6956         * opts.c (parse_sanitizer_options): Likewise.
6957         (common_handle_option): Likewise.
6958         (enable_warning_as_error): Likewise.
6959         * passes.c (enable_disable_pass): Likewise.
6960         * plugin.c (parse_plugin_arg_opt): Likewise.
6961         (default_plugin_dir_name): Likewise.
6962         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6963         (default_pch_valid_p): Likewise.
6964         * toplev.c (init_asm_output): Likewise.
6965         (process_options): Likewise.
6966         (toplev::run_self_tests): Likewise.
6967         * tree-cfg.c (verify_gimple_call): Likewise.
6968         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6969         (tree_inlinable_function_p): Likewise.
6970         * var-tracking.c (vt_find_locations): Likewise.
6971
6972 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6973
6974         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6975         only on the else branch.
6976
6977 2019-03-11  Martin Liska  <mliska@suse.cz>
6978
6979         * gcov.c (output_intermediate_json_line): Print function
6980         name of each line.
6981         (output_json_intermediate_file): Add new argument.
6982         * doc/gcov.texi: Document the change.
6983
6984 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6985
6986         PR rtl-optimization/89588
6987         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6988         explicit unrolling factor more robust.
6989
6990 2019-03-11  Richard Biener  <rguenther@suse.de>
6991
6992         PR tree-optimization/89649
6993         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6994         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
6995         on the prolog and epilog loops.
6996         (vect_loop_versioning): Return copy of loop.
6997         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
6998         on the non-vectorized version of the loop.
6999
7000 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
7001
7002         PR target/68924
7003         * config/i386/sse.md (*vec_extractv2di_0_sse):
7004         Add (=r,x) alternative and corresponding splitter.
7005
7006 2019-03-10  Martin Jambor  <mjambor@suse.cz>
7007
7008         PR tree-optimization/85762
7009         PR tree-optimization/87008
7010         PR tree-optimization/85459
7011         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
7012         it points to if there is a type changing MEM_REF.  Adjust all callers.
7013         (build_accesses_from_assign): Disable total scalarization if
7014         contains_vce_or_bfcref_p returns true through the new parameter, for
7015         both rhs and lhs.
7016
7017 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
7018
7019         PR c/88568
7020         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
7021         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
7022
7023         PR target/79645
7024         * common.opt (fdiagnostics-show-labels,
7025         fdiagnostics-show-line-numbers, fdiagnostics-format=,
7026         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
7027         gas-locview-support, ginline-points, ginternal-reset-location-views):
7028         Terminate description text with a dot.
7029         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
7030         * config/mcore/mcore.opt (m210, m340): Likewise.
7031         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
7032         mnops=): Start description text with a capital letter.
7033         * config/arc/arc.opt (msize-level=): Likewise.
7034         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
7035         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
7036         mnewlib): Likewise.
7037         * config/ft32/ft32.opt (msim): Likewise.
7038         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
7039         (mnodiv, mnopm): Terminate description text with a dot.
7040         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
7041         a colon.
7042         * config/i386/i386.opt (prefer_vector_width, instrument_return):
7043         Likewise.
7044         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
7045         text.
7046
7047         PR rtl-optimization/89634
7048         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
7049         are modified in BB_END (e->src) instruction.
7050
7051 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
7052
7053         PR target/79926
7054         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
7055         messages more amenable to translation, and improve wording.
7056
7057 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
7058
7059         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
7060         ud- and du-chains between phases.
7061
7062 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
7063
7064         PR debug/89631
7065         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
7066         instead of POLY_INT_CST.
7067
7068 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7069
7070         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
7071         requirement.
7072
7073 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
7074
7075         PR target/68924
7076         PR target/78782
7077         PR target/87558
7078         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
7079         (_mm_storeu_si64): Ditto.
7080
7081 2019-03-08  Martin Liska  <mliska@suse.cz>
7082
7083         PR target/86952
7084         * config/i386/i386.c (ix86_option_override_internal): Disable
7085         jump tables when retpolines are used.
7086
7087 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
7088
7089         PR go/63560
7090         * ipa-split.c (execute_split_functions): Do not split
7091         'noinline' or 'section' function.
7092
7093 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7094
7095         PR target/79846
7096         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
7097         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
7098         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
7099
7100         PR ipa/80000
7101         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7102         from diagnostics.  Formatting fixes.
7103
7104         PR target/85665
7105         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
7106         warn_odr diagnostics.
7107
7108         PR other/80058
7109         * lra-constraints.c (process_alt_operands): Avoid one space before
7110         " at the end of line and another after " on another line in a string
7111         literal.
7112         * attribs.c (handle_dll_attribute): Likewise.
7113         * config/avr/avr-devices.c (avr_texinfo): Likewise.
7114
7115         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
7116         warning_at or inform messages in G_() if there is no ?:.
7117
7118         PR tree-optimization/89550
7119         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
7120         returned true.  Formatting fixes.
7121         (expand_builtin_strnlen): Formatting fixes.
7122         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
7123         if warning_at returned true.
7124         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
7125
7126 2019-03-08  Richard Biener  <rguenther@suse.de>
7127
7128         PR middle-end/89578
7129         * cfgloop.h (struct loop): Add owned_clique field.
7130         * cfgloopmanip.c (copy_loop_info): Copy it.
7131         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
7132         cliques.
7133         * tree-inline.c (copy_loops): Remap owned_clique.
7134         * lto-streamer-in.c (input_cfg): Stream owned_clique.
7135         * lto-streamer-out.c (output_cfg): Likewise.
7136
7137 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7138
7139         PR target/80190
7140         * config/darwin.c: Include intl.h.
7141         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
7142         composing the message out of two separate parts.
7143
7144 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7145
7146         PR target/80003
7147         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
7148         doesn't start with a capital letter and doesn't end with a dot.
7149         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
7150         with a capital letter.
7151         (ix86_mangle_function_version_assembler_name): Likewise.
7152         (ix86_generate_version_dispatcher_body): Likewise.
7153         (fold_builtin_cpu): Likewise.
7154         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
7155         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
7156         translators, wrap full type name in %qs.
7157
7158         PR translation/79999
7159         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
7160         depend clause with source (or sink) modifier.
7161         * omp-expand.c (expand_omp_ordered_sink): Likewise.
7162
7163         PR target/89602
7164         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
7165         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
7166         (avx512f_load<mode>_mask): New define_expand.
7167         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
7168         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
7169         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
7170         __builtin_ia32_movess_mask): New builtins.
7171         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
7172         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
7173         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
7174         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
7175
7176 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7177
7178         PR lto/87525
7179         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
7180         for extern inline functions.
7181
7182 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7183
7184         PR ipa/88235
7185         * cgraph.h (cgraph_node): New inline method former_thunk_p.
7186         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
7187         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
7188         have multiple callees.  At the end check if declarations match as
7189         opposed to cgraph_nodes.
7190
7191 2019-03-07  Martin Liska  <mliska@suse.cz>
7192
7193         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7194         which is equivalent to searching for this in clones chain.
7195         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7196         names with a neighbour and special case first node in a chain.
7197
7198 2019-01-25  Jason Merrill  <jason@redhat.com>
7199
7200         PR c++/80916 - spurious "static but not defined" warning.
7201         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7202         for an internal symbol with DECL_EXTERNAL.
7203
7204 2019-04-07  Richard Biener  <rguenther@suse.de>
7205
7206         PR middle-end/89618
7207         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7208         * tree-inline.c (copy_loops): Simplify.
7209
7210 2019-03-07  Martin Liska  <mliska@suse.cz>
7211
7212         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7213
7214 2019-03-07  Richard Biener  <rguenther@suse.de>
7215
7216         PR tree-optimization/89595
7217         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7218         stmt iterator as reference, take boolean output parameter to
7219         indicate whether the stmt was removed and thus the iterator
7220         already advanced.
7221         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7222         stmts created by folding.
7223
7224 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7225
7226         PR c++/89585
7227         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7228         at toplevel.
7229
7230 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7231
7232         PR rtl-optimization/88845
7233         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7234         LRA.
7235         * lra.c (remove_scratches_1): New function.
7236         (remove_scratches): Use it.
7237         (lra_emit_move): Likewise.
7238
7239 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7240
7241         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7242         unaligned_access variable.
7243         * config/arc/arc.c (arc_override_options): Set unaligned access
7244         default on for HS CPUs.
7245         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7246
7247 2019-03-06  Martin Liska  <mliska@suse.cz>
7248
7249         PR gcov-profile/89577
7250         * doc/gcov.texi: Prefer to use --coverage.
7251         * doc/sourcebuild.texi: Likewise.
7252
7253 2019-03-02  Jason Merrill  <jason@redhat.com>
7254
7255         PR c++/86485 - -Wmaybe-unused with empty class ?:
7256         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7257
7258 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7259
7260         PR target/89587
7261         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7262         if_multiarch.
7263
7264         PR middle-end/89590
7265         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7266         exactly one argument.
7267
7268 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7269             Richard Sandiford  <richard.sandiford@arm.com>
7270
7271         PR tree-optimization/89570
7272         * match.pd (vec_cond into cond_op simplification): Don't use
7273         get_conditional_internal_fn, use as_internal_fn (cond_op).
7274
7275 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7276
7277         PR target/89222
7278         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7279         to decide when to split off a non-zero offset from a symbol.
7280         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7281         in function symbols.
7282
7283 2019-03-05  Richard Biener  <rguenther@suse.de>
7284
7285         PR tree-optimization/89594
7286         * tree-if-conv.c (pass_if_conversion::execute): Handle
7287         case where .LOOP_VECTORIZED_FUNCTION was removed.
7288
7289 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7290
7291         PR bootstrap/89560
7292         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7293         instead alloca it only when needed with the needed size.
7294
7295         PR tree-optimization/89570
7296         * match.pd (vec_cond into cond_op simplification): Guard with
7297         vectorized_internal_fn_supported_p test and #if GIMPLE.
7298
7299         PR tree-optimization/89566
7300         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7301         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7302         Punt if get_user_idx_format succeeds, but idx_format argument is
7303         not provided or doesn't have pointer type, or if idx_args is above
7304         number of provided arguments.
7305
7306 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7307
7308         PR tree-optimization/89437
7309         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7310
7311 2019-03-04  Richard Biener  <rguenther@suse.de>
7312
7313         PR middle-end/89572
7314         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7315         safe_dyn_cast.
7316
7317 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7318
7319         PR tree-optimization/89487
7320         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7321         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7322         (distribute_loop): Don't do runtime alias check if there is non-
7323         addressable data reference.
7324         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7325         is a register variable.
7326
7327 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7328
7329         PR target/89506
7330         * config/arm/arm.md (cmpsi2_addneg): Use
7331         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7332         If operands[2] is 0 or INT_MIN, force use of subs.
7333         (*compare_scc splitter): Use gen_int_mode.
7334         (*negscc): Likewise.
7335         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7336
7337 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7338             Monk Chiang  <sh.chiang04@gmail.com>
7339
7340         * common/config/riscv/riscv-common.c: Include sstream.
7341         (riscv_subset_list::to_string): New.
7342         (riscv_arch_str): Likewise.
7343         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7344         * config.in: Regen.
7345         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7346         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7347         (riscv_emit_attribute): New.
7348         (riscv_file_start): Emit attribute if needed.
7349         (riscv_option_override): Init riscv_emit_attribute_p.
7350         * config/riscv/riscv.opt (mriscv-attribute): New option.
7351         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7352         * configure: Regen.
7353         * doc/install.texi: Document --with-riscv-attribute.
7354         * doc/invoke.texi: Document -mriscv-attribute.
7355
7356         * common/config/riscv/riscv-common.c:
7357         Include config/riscv/riscv-protos.h.
7358         (INCLUDE_STRING): Defined.
7359         (RISCV_DONT_CARE_VERSION): Defined.
7360         (riscv_subset_t): Declare.
7361         (riscv_subset_t::riscv_subset_t): New.
7362         (riscv_subset_list): Declare.
7363         (riscv_subset_list::riscv_subset_list): New.
7364         (riscv_subset_list::~riscv_subset_list): Likewise.
7365         (riscv_subset_list::parsing_subset_version): Likewise.
7366         (riscv_subset_list::parse_std_ext): Likewise.
7367         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7368         (riscv_subset_list::add): Likewise.
7369         (riscv_subset_list::lookup): Likewise.
7370         (riscv_subset_list::xlen): Likewise.
7371         (riscv_subset_list::parse): Likewise.
7372         (riscv_supported_std_ext): Likewise.
7373         (current_subset_list): Likewise.
7374         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7375         parse.
7376
7377 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7378
7379         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7380         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7381         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7382
7383 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7384
7385         PR rtl-optimization/85899
7386         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7387         fallthru edges leading to the exit block.
7388
7389 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7390
7391         PR target/89517
7392         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7393         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7394
7395 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7396
7397         PR tree-optimization/89535
7398         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7399         for each operand.  Calculate the fallback choice for mask operands
7400         and pass it to vect_get_vec_def_for_operand.
7401
7402 2019-03-01  Richard Biener  <rguenther@suse.de>
7403
7404         PR middle-end/89541
7405         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7406         get virtual operands.
7407         (get_expr_operands): Handle CONST_DECL like other decls.
7408
7409 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7410
7411         PR middle-end/89503
7412         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7413         on DECL_P and EXPR_P.
7414
7415 2019-03-01  Richard Biener  <rguenther@suse.de>
7416
7417         PR middle-end/89497
7418         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7419         argument, defaulted to zero.
7420         * passes.c (execute_function_todo): Pass down SSA update flags
7421         to cleanup_tree_cfg.
7422         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7423         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7424         form if requested.
7425         (cleanup_tree_cfg): Get and pass down SSA update flags.
7426
7427 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7428
7429         PR bootstrap/89539
7430         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7431         early_lto_debug argument.
7432
7433 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7434
7435         PR tree-optimization/89536
7436         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7437         only whether bit #0 of the value is 0 instead of the entire value.
7438
7439 2019-02-28  Marek Polacek  <polacek@redhat.com>
7440
7441         PR c++/87068 - missing diagnostic with fallthrough statement.
7442         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7443         at the end of a seq, save its location to walk_stmt_info.
7444         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7445         a switch.
7446
7447 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7448
7449         PR lto/88585
7450         * tree.c (find_atomic_core_type): Move ahead in file.
7451         (check_base_type): Correctly compare alignments of atomic types.
7452
7453 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7454
7455         PR target/89455
7456         * config/i386/i386.c (get_builtin_code_for_version): Identify
7457         Westmere from PCLMUL, instead of AES.
7458
7459 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7460
7461         PR target/89434
7462         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7463         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7464         -UINTVAL (...).
7465
7466 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7467
7468         PR target/88530
7469         * config/aarch64/aarch64-option-extensions.def: Document it.
7470         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7471         if empty hwcaps.
7472
7473 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7474
7475         PR c/89520
7476         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7477         builtins if they don't have a single scalar floating point argument.
7478         Formatting fixes.
7479
7480 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7481
7482         PR rtl-optimization/89490
7483         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7484         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7485         block section is not mergeable.
7486
7487 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7488
7489         PR target/70341
7490         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7491         old define_insn to ...
7492         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7493         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7494         Rename old define_insn to ...
7495         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7496         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7497         define_insn to ...
7498         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7499         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7500         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7501
7502 2019-02-27  Richard Biener  <rguenther@suse.de>
7503
7504         PR debug/88878
7505         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7506
7507 2019-02-27  Richard Biener  <rguenther@suse.de>
7508
7509         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7510         building.
7511
7512 2019-02-27  Richard Biener  <rguenther@suse.de>
7513
7514         PR debug/88878
7515         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7516         parameter, prefix section name with .gnu.debuglto_ if true.
7517         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7518         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7519
7520 2019-02-27  Richard Biener  <rguenther@suse.de>
7521
7522         PR debug/89514
7523         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7524         rather than on use_debug_types, doing what output_die does.
7525         (value_format): Likewise.
7526
7527 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7528             Martin Sebor  <msebor@redhat.com>
7529
7530         * doc/invoke.texi (Warning Options): Reword description of
7531         -Wno-absolute-value.
7532
7533 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7534
7535         PR tree-optimization/89280
7536         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7537         builtin_setjmp_setup_bb): New functions.
7538         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7539         When visiting __builtin_setjmp_setup block, queue in special
7540         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7541         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7542         from visited after the loop if they don't have any visited successor
7543         blocks.
7544
7545 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7546
7547         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7548         New function.
7549         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7550
7551 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7552
7553         PR c++/89507
7554         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7555         with types other than sizetype/ssizetype.
7556
7557 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7558
7559         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7560         (enum sparc_processor_type): ...this.
7561         (enum sparc_code_model_type): New enumeration type.
7562         (enum sparc_memory_model_type): Tweak comments.
7563         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7564         (mtune): Likewise.
7565         (mcmodel): Use sparc_code_model enumeration and variable.
7566         (sparc_code_model): New enumeration.
7567         (mdebug): Add Undocumented marker.
7568         * config/sparc/sparc.h (enum cmodel): Delete.
7569         (sparc_cmodel): Likewise.
7570         (TARGET_CM_MEDLOW): Adjust to above renaming.
7571         (TARGET_CM_MEDMID): Likewise.
7572         (TARGET_CM_MEDANY): Likewise.
7573         (TARGET_CM_EMBMEDANY): Likewise.
7574         * config/sparc/sparc.c (sparc_cmodel): Delete.
7575         (sparc_option_override): Remove string/value mapping support for the
7576         code model.  Move code and memory model support to after the handling
7577         of target flags.  Do private machine setup last.
7578         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7579         (sparc_legitimize_reload_address): Likewise.
7580         (sparc_output_mi_thunk): Likewise.
7581         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7582
7583 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7584
7585         PR tree-optimization/89500
7586         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7587         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7588         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7589         cst if the first cst bytes starting at x are known to be non-zero,
7590         even if the string is not zero terminated.  Don't try to modify
7591         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7592         we can prove strnlen returns the same value as strlen would.
7593
7594 2019-02-26  Martin Liska  <mliska@suse.cz>
7595
7596         * alloc-pool.h (struct pool_usage): Remove extra
7597         print_dash_line.
7598         * bitmap.h (struct bitmap_usage): Likewise.
7599         * ggc-common.c (struct ggc_usage): Likewise.
7600         * mem-stats.h (struct mem_usage): Likewise.
7601         (mem_alloc_description::dump): Print dash lines
7602         here and repeat header at the end of a table report.
7603         It's then more readable.
7604         * tree-phinodes.c (phinodes_print_statistics): Make
7605         horizontal alignment.
7606         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7607         * vec.c (struct vec_usage): Remove extra print_dash_line.
7608         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7609
7610 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7611
7612         * doc/extend.texi (__builtin_object_size):
7613         Use @pxref instead of @xref inside parenthesis.
7614         (__builtin_has_attribute): Add missing comma after @xref.
7615         (__builtin_object_size): Ditto.
7616         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7617         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7618         in the list.
7619
7620 2019-02-26  Jeff Law  <law@redhat.com>
7621
7622         PR rtl-optimization/87761
7623         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7624         detect obviously dead insns and delete them.
7625
7626 2019-02-26  Richard Biener  <rguenther@suse.de>
7627
7628         PR tree-optimization/89505
7629         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7630         to handle restrict pointed-to vars with multiple subvars
7631         correctly.
7632
7633 2019-02-26  Richard Biener  <rguenther@suse.de>
7634
7635         PR tree-optimization/89489
7636         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7637
7638 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7639
7640         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7641         and move around comment.
7642         <BIT_AND_EXPR>: Likewise.
7643         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7644
7645 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7646
7647         PR target/89474
7648         * config/i386/i386.c (remove_partial_avx_dependency): Call
7649         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7650         after changing possibly many instructions to use that pseudo.  Fix up
7651         insertion of v4sf_const0 setter at the start of bb.
7652
7653 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7654
7655         PR c/80409
7656         * doc/extend.texi (Variadic Pointer Args): New section.
7657
7658 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7659             Martin Sebor  <msebor@gmail.com>
7660
7661         * common.opt (Wattribute-alias): Likewise.
7662         * doc/invoke.texi (Option Summary): List general form of
7663         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7664         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7665         Add cross-references.
7666         (-Wattribute-alias): Rewrite and correct default.  Mention
7667         considered attributes (same as for -Wmissing-attributes).
7668
7669 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7670
7671         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7672         (_mm_cvtpd_ps): Likewise.
7673         (_mm_cvttpd_epi32): Likewise.
7674
7675         PR target/89338
7676         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7677         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7678
7679         PR target/89339
7680         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7681
7682 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7683
7684         PR target/88530
7685         * common/config/aarch64/aarch64-common.c
7686         (struct aarch64_option_extension): Add is_synthetic.
7687         (all_extensions): Use it.
7688         (TARGET_OPTION_INIT_STRUCT): Define hook.
7689         (struct gcc_targetm_common): Moved to end.
7690         (all_extensions_by_on): New.
7691         (opt_ext_cmp, typedef opt_ext): New.
7692         (aarch64_option_init_struct): New.
7693         (aarch64_contains_opt): New.
7694         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7695         * config/aarch64/aarch64-option-extensions.def
7696         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7697         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7698         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7699         Set is_synthetic to false.
7700         (crypto): Set is_synthetic to true.
7701         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7702         SYNTHETIC.
7703
7704 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7705
7706         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7707         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7708         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7709         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7710         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7711         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7712         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7713         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7714         Rename ...
7715         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7716         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7717         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7718         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7719         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7720         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7721         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7722         vfmlsl_laneq_high_f16): ... To this.
7723         * config/arm/neon.md: Update comments.
7724
7725 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7726
7727         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7728         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7729         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7730         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7731         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7732         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7733         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7734         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7735         Rename ...
7736         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7737         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7738         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7739         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7740         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7741         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7742         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7743         vfmlslq_laneq_high_f16): ... To this.
7744
7745 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7746
7747         PR rtl-optimization/86096
7748         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7749         comparing mw_order values.
7750
7751 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7752
7753         PR target/89434
7754         * config/arm/arm.md (*subsi3_carryin_const): Use
7755         arm_neg_immediate_operand predicate instead of
7756         arm_not_immediate_operand, "L" constraint instead of "K" and
7757         print it using %n2 instead of %B2.
7758         (*subsi3_carryin_const0): New define_insn.
7759         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7760         instead of arm_not_operand and "I" constraint instead of "K" and
7761         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7762         another match_operand and in the condition check that it is negation
7763         of operands[2].
7764         (*subsi3_carryin_compare_const0): New define_ins.
7765         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7766         *subsi3_carryin_const.
7767         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7768         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7769
7770         PR target/89438
7771         * config/arm.vfp.md (*negdf2_vfp): Use
7772         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7773         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7774
7775 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7776
7777         PR rtl-optimization/89445
7778         * simplify-rtx.c (simplify_ternary_operation): Don't use
7779         simplify_merge_mask on operands that may trap.
7780         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7781         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7782         second operand is CONST_VECTOR, check if any element could be zero.
7783         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7784         their operands can trap.
7785
7786 2019-02-23  Martin Sebor  <msebor@redhat.com>
7787
7788         * gimple-ssa-sprintf.c (target_strtol): Rename...
7789         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7790         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7791         check for range error.
7792
7793 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7794
7795         PR driver/69471
7796         * opts-common.c (prune_options): Also prune joined switches
7797         with Negative and RejectNegative.
7798         * config/i386/i386.opt (march=): Add Negative(march=).
7799         (mtune=): Add Negative(mtune=).
7800         * doc/options.texi: Document Negative used together with Joined
7801         and RejectNegative.
7802
7803 2019-02-22  Martin Sebor  <msebor@redhat.com>
7804
7805         * doc/extend.texi (Other Builtins): Add
7806         __builtin_is_constant_evaluated.
7807
7808 2019-02-22  Richard Biener  <rguenther@suse.de>
7809
7810         PR tree-optimization/87609
7811         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7812
7813 2019-02-22  Jeff Law  <law@redhat.com>
7814
7815         PR rtl-optimization/87761
7816         * config/mips/mips.md: Add new combiner pattern to recognize
7817         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7818
7819 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7820
7821         PR target/89324
7822         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7823         destination register in peepholes generating patterns for ADDS/SUBS.
7824         (add<mode>3_compare0,
7825         *addsi3_compare0_uxtw, add<mode>3_compareC,
7826         add<mode>3_compareV_imm, add<mode>3_compareV,
7827         *adds_<optab><ALLX:mode>_<GPI:mode>,
7828         *subs_<optab><ALLX:mode>_<GPI:mode>,
7829         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7830         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7831         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7832         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7833         sub<mode>3_compare1): Allow stack pointer for source register.
7834         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7835
7836 2019-02-22  Martin Sebor  <msebor@redhat.com>
7837
7838         PR tree-optimization/88993
7839         PR tree-optimization/88853
7840         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7841         New helper.
7842         (sprintf_dom_walker::call_info::is_string_func): New helper.
7843         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7844         for formatted string functions.
7845         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7846
7847 2019-02-22  Martin Sebor  <msebor@redhat.com>
7848
7849         PR c/89425
7850         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7851         unreachable subexpressions.
7852
7853 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7854             Hongtao Liu  <hongtao.liu@intel.com>
7855             Sunil K Pandey  <sunil.k.pandey@intel.com>
7856
7857         PR target/87007
7858         * config/i386/i386-passes.def: Add
7859         pass_remove_partial_avx_dependency.
7860         * config/i386/i386-protos.h
7861         (make_pass_remove_partial_avx_dependency): New.
7862         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7863         New function.
7864         (pass_data_remove_partial_avx_dependency): New.
7865         (pass_remove_partial_avx_dependency): Likewise.
7866         (make_pass_remove_partial_avx_dependency): Likewise.
7867         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7868         (*extendsfdf2): Add avx_partial_xmm_update.
7869         (truncdfsf2): Likewise.
7870         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7871         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7872
7873 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7874
7875         PR middle-end/85598
7876         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7877         analysis for pass.
7878
7879 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7880
7881         PR target/89444
7882         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7883         (PTA_SKYLAKE): Add PTA_AES.
7884         (PTA_GOLDMONT): Likewise.
7885
7886 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7887
7888         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7889         instruction if enabled.
7890         (aarch64_override_options): Remove reference to return address key.
7891
7892 2019-02-22  Richard Biener  <rguenther@suse.de>
7893
7894         PR tree-optimization/89440
7895         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7896         not necessary assert.
7897
7898 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7899
7900         PR fortran/72741
7901         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7902         (oacc_replace_fn_attrib_attr): ... this new function.
7903         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7904         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7905
7906 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7907
7908         * config/arm/arm-cpus.in (ares): Rename to...
7909         (neoverse-n1): ... This.  Add ares as alias.
7910         * config/arm/arm-tables.opt: Regenerate.
7911         * config/arm/arm-tune.md: Likewise.
7912         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7913
7914 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7915
7916         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7917         * config/aarch64/aarch64-tune.md: Regenerate.
7918         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7919
7920 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7921
7922         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7923         (neoversen1_tunings): ... This.
7924         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7925         (neoverse-n1): New CPU.
7926         * config/aarch64/aarch64-tune.md: Regenerate.
7927         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7928
7929 2019-02-22  Richard Biener  <rguenther@suse.de>
7930
7931         PR middle-end/87609
7932         * cfghooks.h (dependence_hash): New typedef.
7933         (struct copy_bb_data): New type.
7934         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7935         (duplicate_block): Likewise.
7936         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7937         (copy_bbs): Create and pass down copy_bb_data.
7938         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7939         (rtl_duplicate_bb): Likewise.
7940         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7941         remap dependence info.
7942
7943 2019-02-22  Richard Biener  <rguenther@suse.de>
7944
7945         PR tree-optimization/87609
7946         * tree-core.h (tree_base): Document special clique values.
7947         * tree-inline.c (remap_dependence_clique): Do not use the
7948         special clique value of one.
7949         (maybe_set_dependence_info): Use clique one.
7950         (clear_dependence_clique): New callback.
7951         (compute_dependence_clique): Clear clique one from all refs
7952         before assigning it (again).
7953
7954 2019-02-21  Martin Sebor  <msebor@redhat.com>
7955
7956         * doc/extend.texi (__clear_cache): Correct signature.
7957
7958 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7959
7960         PR go/89170
7961         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7962         than output_constant_def.
7963         (add_constant_to_table): New static function.
7964         (output_constant_def): Call add_constant_to_table.
7965         (tree_output_constant_def): Likewise.
7966
7967 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7968
7969         PR c++/89285
7970         * builtins.c (fold_builtin_arith_overflow): If first two args are
7971         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7972         to ifn.
7973
7974 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7975
7976         PR target/87412
7977         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7978         error for -mindirect-branch/-mfunction-return with incompatible
7979         -fcf-protection.
7980
7981 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7982
7983         PR bootstrap/88714
7984         * constraints.md (q): Remove.
7985         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7986         instead of q.
7987
7988 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7989
7990         PR hsa/89302
7991         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7992         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7993         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7994         * omp-general.h (omp_adjust_for_condition): Updated declaration.
7995         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
7996         proper values to new parameters of omp_adjust_for_condition.
7997
7998 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
7999
8000         PR middle-end/89412
8001         * expr.c (expand_assignment): If result is a MEM, use change_address
8002         instead of simplify_gen_subreg.
8003
8004 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8005             David Malcolm  <dmalcolm@redhat.com>
8006
8007         PR middle-end/89091
8008         * fold-const.c (decode_field_reference): Return NULL_TREE if
8009         lang_hooks.types.type_for_size returns NULL.  Check it before
8010         overwriting *exp_.  Use return NULL_TREE instead of return 0.
8011
8012 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8013
8014         PR middle-end/88074
8015         PR middle-end/89415
8016         * toplev.c (do_compile): Double the emin/emax exponents to workaround
8017         buggy mpc_norm.
8018
8019 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
8020
8021         PR target/89397
8022         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
8023         TARGET_SSE in addition to TARGET_SSE_MATH.
8024
8025         (ix86_excess_precision): Ditto.
8026         (ix86_float_exceptions_rounding_supported_p): Ditto.
8027         (use_rsqrt_p): Ditto.
8028         * config/i386/sse.md (rsqrt<mode>2): Ditto.
8029
8030 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
8031
8032         PR c/89410
8033         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
8034         linenum_arith_t when determining if two adjacent line spans are
8035         close enough to merge.
8036         (diagnostic_show_locus): Use linenum_arith_t when iterating over
8037         lines within each line_span.
8038
8039 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
8040
8041         PR target/86487
8042         * lra-constraints.c(uses_hard_regs_p): Fix handling of
8043         paradoxical SUBREGS.
8044
8045 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
8046
8047         PR target/88100
8048         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
8049         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
8050         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
8051         range checking it.
8052
8053 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
8054
8055         * config/gcn/gcn.c (print_operand): Fix typo.
8056
8057 2019-02-19  Richard Biener  <rguenther@suse.de>
8058
8059         PR middle-end/88074
8060         * toplev.c (do_compile): Initialize mpfr's exponent range
8061         based on available float modes.
8062
8063 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8064
8065         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
8066         as long as the epilogue isn't completed.
8067
8068 2019-02-18  Martin Sebor  <msebor@redhat.com>
8069
8070         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
8071         __has_cpp_attribute, and __has_include.
8072
8073 2019-02-18  Martin Sebor  <msebor@redhat.com>
8074
8075         * doc/invoke.texi (-Wreturn-type): Correct and expand.
8076
8077 2019-02-18  Martin Sebor  <msebor@redhat.com>
8078
8079         PR middle-end/89294
8080         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
8081         expression.
8082         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
8083
8084 2019-02-18  Richard Biener  <rguenther@suse.de>
8085
8086         PR tree-optimization/89296
8087         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
8088         of no-warning flag to cases that might emit the bogus warning.
8089
8090 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
8091
8092         PR bootstrap/88714
8093         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
8094         "q" constraint.
8095         * config/arm/vfp.md (*movdi_vfp): Likewise.
8096         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
8097         "q" constraint for operands[0].
8098
8099         PR target/89369
8100         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
8101         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
8102         pattern in a temporary buffer.
8103         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
8104         than 64-operands[2].
8105
8106         PR target/89361
8107         * config/s390/s390.c (s390_indirect_branch_attrvalue,
8108         s390_indirect_branch_settings): Define unconditionally.
8109         (s390_set_current_function): Likewise, but guard the whole body except
8110         the s390_indirect_branch_settings call with
8111         #if S390_USE_TARGET_ATTRIBUTE.
8112         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
8113
8114         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
8115         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
8116         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
8117         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
8118         HOST_WIDE_INT_1U instead of 1ULL.
8119         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
8120         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
8121         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
8122         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
8123         instead of 1UL.
8124         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
8125         instead of 1ul.
8126
8127 2019-02-18  Martin Jambor  <mjambor@suse.cz>
8128
8129         PR tree-optimization/89209
8130         * tree-sra.c (create_access_replacement): New optional parameter
8131         reg_tree.  Use it as a type if non-NULL and access type is not of
8132         a register type.
8133         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
8134         to create_access_replacement.
8135         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
8136         Check lacc is non-NULL before attempting to re-create it on the RHS.
8137
8138 2019-02-18  Martin Liska  <mliska@suse.cz>
8139
8140         PR ipa/89306
8141         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
8142         by default.
8143         (symbol_table::free_edge): Recycle m_summary_id.
8144         * cgraph.h (get_summary_id): New.
8145         (symbol_table::release_symbol): Set m_summary_id to -1
8146         by default.
8147         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
8148         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
8149         function_summary to fast_function_summary.
8150         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
8151         * ipa-pure-const.c (class funct_state_summary_t):
8152         Switch from function_summary to fast_function_summary.
8153         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
8154         (class ipa_ref_opt_summary_t): Switch from function_summary
8155         to fast_function_summary.
8156         * symbol-summary.h (class function_summary_base): New class
8157         that is created from base of former function_summary.
8158         (function_summary_base::unregister_hooks): New.
8159         (class function_summary): Inherit from function_summary_base.
8160         (class call_summary_base): New class
8161         that is created from base of former call_summary.
8162         (class call_summary): Inherit from call_summary_base.
8163         (struct is_same): New.
8164         (class fast_function_summary): New summary class.
8165         (class fast_call_summary): New summary class.
8166         * vec.h (vec_safe_grow_cleared): New function.
8167
8168 2019-02-18  Martin Liska  <mliska@suse.cz>
8169
8170         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
8171         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
8172         * doc/tm.texi: Document new target hook.
8173         * doc/tm.texi.in: Likewise.
8174         * target.def: Add new target macro.
8175         * gcc.c (find_fortran_preinclude_file): Do not search multilib
8176         suffixes.
8177
8178 2019-02-17  Alan Modra  <amodra@gmail.com>
8179
8180         PR target/89271
8181         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
8182         output reg on add insn.
8183         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
8184
8185 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8186
8187         PR target/89372
8188         * config/i386/sse.md (ssedoublemode): Remove V4HI.
8189         (PMULHRSW): Likewise.
8190         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
8191         TARGET_AVX2.
8192         (ssse3_pmulhrswv4hi3): New expander.
8193
8194 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8195
8196         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8197         MMX.  Add isa attribute.
8198
8199 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8200
8201         PR rtl-optimization/66152
8202         * builtins.h (c_readstr): Declare.
8203         * builtins.c (c_readstr): Remove forward declaration.  Add
8204         null_terminated_p argument, if false, read all bytes from the
8205         string instead of stopping after '\0'.
8206         * expr.c (string_cst_read_str): New function.
8207         (store_expr): Use string_cst_read_str instead of
8208         builtin_strncpy_read_str.  Try to store by pieces the whole
8209         exp_len first, and only if that fails, split it up into
8210         store by pieces followed by clear_storage.  Formatting fix.
8211
8212         * config/i386/i386.md (*movqi_internal): Remove static from
8213         buf variable.  Use output_asm_insn (buf, operands); return "";
8214         instead of return buf;.
8215         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8216         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8217         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8218
8219 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8220
8221         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8222         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8223         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8224         (CC1_SPEC): Likewise.
8225         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8226
8227 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8228
8229         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8230         the base address on 64-bit strict-alignment platforms.
8231
8232 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8233
8234         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8235
8236 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8237
8238         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8239
8240 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8241
8242         PR rtl-optimization/88308
8243         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8244         on copied instruction.
8245
8246 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8247
8248         * final.c (insn_current_reference_address): Replace test on JUMP_P
8249         with test on jump_to_label_p.
8250         * config/visium/visium-passes.def: New file.
8251         * config/visium/t-visium (PASSES_EXTRA): Define.
8252         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8253         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8254         (TRAMPOLINE_ALIGNMENT): Define.
8255         * config/visium/visium.c (visium_option_override): Do not register
8256         the machine-specific reorg pass here.
8257         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8258         for the GR6.
8259         (output_branch): Adjust threshold for long branch instruction.
8260         * config/visium/visium.md (cpu): Move around.
8261         (length): Adjust for the GR6.
8262
8263 2019-02-15  Richard Biener  <rguenther@suse.de>
8264             Jakub Jelinek  <jakub@redhat.com>
8265
8266         PR tree-optimization/89278
8267         * tree-loop-distribution.c: Include tree-eh.h.
8268         (generate_memset_builtin, generate_memcpy_builtin): Call
8269         rewrite_to_non_trapping_overflow on builtin->size before passing it
8270         to force_gimple_operand_gsi.
8271
8272 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8273
8274         PR other/89342
8275         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8276         optimize_debug.
8277         * opth-gen.awk: Likewise.
8278
8279 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8280
8281         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8282         Enable MMX, SSE and SSE2 by default.
8283         * config/i386/i386.c (ix86_option_override_internal): Do not
8284         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8285
8286 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8287
8288         PR rtl-optimization/89354
8289         * combine.c (make_extraction): Punt if extraction_mode is narrower
8290         than len bits.
8291
8292 2019-02-14  Maya Rashish  <coypu@sdf.org>
8293
8294         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8295         * config/netbsd-d.c: New file.
8296         * config/t-netbsd: Add netbsd-d.o
8297
8298 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8299
8300         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8301         affects_type_identity to true for aarch64_vector_pcs.
8302         (aarch64_comp_type_attributes): New function.
8303         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8304
8305 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8306
8307         PR target/88850
8308         * config/arm/iterators.md (ANY64): Add V4HF.
8309
8310 2019-02-14  Martin Liska  <mliska@suse.cz>
8311
8312         PR rtl-optimization/89242
8313         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8314         process a transformation.
8315
8316 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8317
8318         PR tree-optimization/89314
8319         * fold-const.c (fold_binary_loc): Cast strlen argument to
8320         const char * before dereferencing it.  Formatting fixes.
8321
8322         PR middle-end/89284
8323         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8324
8325 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8326
8327         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8328         and set current index for other optimizations.
8329
8330 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8331
8332         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8333         nonimmediate_operand as operand 2 predicate.
8334         (vec_set<VF2_512_256:mode>_0): Ditto.
8335         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8336         (*vec_concatv2si): Remove alternative 2.
8337         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8338         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8339         (vec_concatv2di): Split alternatives 4,5,6 to ...
8340         (*vec_concatv2di_0) ... new pattern.
8341
8342 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8343
8344         PR target/89190
8345         * config/arm/arm.c (ldm_stm_operation_p) Set
8346         addr_reg_in_reglist correctly for first register.
8347         (load_multiple_sequence): Remove dead base check.
8348         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8349
8350 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8351
8352         PR target/88847
8353         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8354         Expose as @aarch64_pred_mov.
8355         * config/aarch64/aarch64.c (aarch64_classify_address):
8356         Use expand_insn which legitimizes operands.
8357
8358 2019-02-13  Martin Liska  <mliska@suse.cz>
8359
8360         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8361         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8362         and pointer_offset fields.
8363         (initialize_argument_information): Remove usage of dead
8364         fields.
8365         * cgraph.h (struct cgraph_thunk_info): Remove
8366         add_pointer_bounds_args.
8367         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8368         fields.
8369         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8370         fields.
8371         * config/i386/i386.c (ix86_function_arg_advance): Remove
8372         unrelated comment.
8373         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8374         (def_builtin):  Remove usage of dead
8375         fields.
8376         (ix86_add_new_builtins): Likewise.
8377         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8378         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8379         (sem_function::init): Likewise.
8380         (sem_variable::merge): Likewise.
8381         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8382         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8383         * lto-cgraph.c (lto_output_node): Likewise.
8384         (lto_output_varpool_node): Likewise.
8385         (input_node): Likewise.
8386         (input_varpool_node): Likewise.
8387         * lto-streamer-out.c (lto_output): Likewise.
8388         * tree-inline.c (expand_call_inline): Remove usage of
8389         assign_stmts.
8390         * tree-inline.h (struct copy_body_data): Likewise.
8391         * varpool.c (varpool_node::dump): Likewise.
8392
8393 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8394
8395         PR middle-end/89303
8396         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8397         into pt->vars_contains_escaped_heap instead of setting
8398         pt->vars_contains_escaped_heap to it.
8399
8400         PR middle-end/89281
8401         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8402         INTVAL (size), compare it to GET_MODE_MASK instead of
8403         1 << GET_MODE_BITSIZE.
8404
8405         PR target/89290
8406         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8407         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8408         -mcmodel=large.
8409
8410 2019-02-13  Martin Liska  <mliska@suse.cz>
8411
8412         PR lto/88858
8413         * cfgrtl.c (remove_barriers_from_footer): New function.
8414         (try_redirect_by_replacing_jump): Use it.
8415         (cfg_layout_redirect_edge_and_branch): Likewise.
8416
8417 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8418
8419         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8420         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8421         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8422         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8423         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8424         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8425         New BU_CRYPTO_2.
8426         * config/rs6000/rs6000.c (builtin_function_type)
8427         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8428         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8429         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8430         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8431         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8432
8433 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8434
8435         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8436         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8437
8438 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8439
8440         PR target/89229
8441         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8442         268678 and revision 268657.
8443         (*movti_internal): Likewise.
8444
8445 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8446
8447         PR target/89233
8448         * config/s390/s390.c (s390_decompose_address): Update comment.
8449         (s390_check_qrst_address): Reject invalid address forms after
8450         LRA.
8451
8452 2019-02-12  Martin Liska  <mliska@suse.cz>
8453
8454         PR lto/88876
8455         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8456         we need default values of funct_state for a function that
8457         is not optimized.
8458
8459 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8460
8461         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8462         the object to pick the size of stores on strict-alignment platforms.
8463
8464         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8465         (*movdi_insn_sp32): Likewise.
8466         (*movdi_insn_sp64): Likewise.
8467
8468 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8469
8470         PR lto/88677
8471         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8472         types that needs constructiong.
8473         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8474
8475 2019-02-12  Richard Biener  <rguenther@suse.de>
8476
8477         PR tree-optimization/89253
8478         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8479         duplicate the loop.
8480
8481 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8482
8483         PR lto/88147
8484         * input.c (selftest::test_line_offset_overflow): New selftest.
8485         (selftest::input_c_tests): Call it.
8486
8487 2019-02-11  Martin Sebor  <msebor@redhat.com>
8488
8489         PR tree-optimization/88771
8490         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8491         when -Wstringop-overflow is set.
8492         (builtin_memref::builtin_memref): Adjust excessive upper bound
8493         only when lower bound is not excessive.
8494         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8495         -Wstringop-ovefflow.
8496         (maybe_diag_offset_bounds): Rename...
8497         (maybe_diag_access_bounds): ...to this.
8498         (check_bounds_or_overlap): Adjust for name change above.
8499
8500 2019-02-11  Martin Sebor  <msebor@redhat.com>
8501
8502         PR c++/87996
8503         * builtins.c (max_object_size): Move from here...
8504         * builtins.h (max_object_size): ...and here...
8505         * tree.c (max_object_size): ...to here...
8506         * tree.h (max_object_size): ...and here.
8507
8508 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8509
8510         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8511         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8512         for correct semantics.
8513
8514 2019-02-11  Alan Modra  <amodra@gmail.com>
8515
8516         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8517         -mlongcall and -mpltseq.
8518         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8519         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8520         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8521         * config/rs6000/sysv4.opt (mpltseq): New option.
8522         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8523         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8524         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8525         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8526         -mpltseq given for ELFv1.
8527         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8528         Only use UNSPEC_PLTSEQ for inline PLT calls.
8529         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8530         use UNSPEC_PLTSEQ for inline PLT calls.
8531         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8532         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8533         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8534         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8535         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8536         (pltseq_mtctr_<mode>): Likewise.
8537
8538 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8539
8540         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8541         Solaris ld.
8542         * configure: Regenerate.
8543
8544 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8545
8546         PR bootstrap/88714
8547         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8548         instead of r.
8549
8550 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8551
8552         * function.c (assign_parm_setup_block): Use the stored
8553         size, not the passed size, when allocating stack-space,
8554         also for a parameter with alignment larger than
8555         MAX_SUPPORTED_STACK_ALIGNMENT.
8556
8557 2019-02-11  Martin Liska  <mliska@suse.cz>
8558
8559         PR ipa/89009
8560         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8561         * ipa-inline.c (inline_small_functions): Likewise.
8562         * ipa-pure-const.c (propagate_pure_const): Likewise.
8563         (propagate_nothrow): Likewise.
8564         * ipa-reference.c (propagate): Likewise.
8565         * ipa-utils.c (struct searchc_env): Remove unused field.
8566         (searchc): Always search across AVAIL_INTERPOSABLE.
8567         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8568         the only called IPA pure const can properly not propagate
8569         across interposable boundary.
8570         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8571
8572 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8573
8574         * config/nds32/nds32.md (call_internal, call_value_internal,
8575         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8576
8577 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8578
8579         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8580         typo.
8581
8582 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8583
8584         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8585         in comments
8586
8587 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8588
8589         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8590
8591 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8592
8593         PR tree-optimization/89268
8594         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8595         if preds is non-NULL.
8596
8597 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8598
8599         PR lto/89272
8600         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8601         polymorphic types.
8602
8603 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8604
8605         * config/nds32/nds32.md (trap): New pattern.
8606
8607 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8608
8609         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8610         dwarf span.
8611
8612 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8613
8614         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8615         to split POST_INC.
8616
8617 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8618
8619         * ipa-visibility.c (localize_node): Also do not localize
8620         LDPR_PREVAILING_DEF_IRONLY_EXP.
8621
8622 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8623
8624         PR lto/87957
8625         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8626         instead of type_with_linkage.
8627
8628 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8629
8630         PR ipa/88755
8631         * params.def (uninlined-function-insns, uninlined-function-time,
8632         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8633         bound so we don't get overflows.
8634
8635 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8636
8637         * config/rs6000/rs6000-string.c (expand_compare_loop,
8638         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8639         memcmp/strncmp.
8640
8641 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8642
8643         PR middle-end/89246
8644         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8645         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8646         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8647
8648 2019-02-09  Alan Modra  <amodra@gmail.com>
8649
8650         PR target/88343
8651         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8652         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8653         setup.
8654
8655 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8656
8657         PR middle-end/88560
8658         * lra-constraints.c (process_alt_operands): Don't increase reject
8659         for memory when offset memory is required.
8660
8661 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8662
8663         * config/s390/vector.md: Implement vector copysign.
8664
8665 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8666
8667         * expr.c (expand_constructor): Correct indentations.
8668
8669 2019-02-08  Richard Biener  <rguenther@suse.de>
8670
8671         PR tree-optimization/89247
8672         * tree-if-conv.c: Include tree-cfgcleanup.h.
8673         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8674         (tree_if_conversion): Pass through predicate vector.
8675         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8676         inline, see if any if-converted loops we refrece in
8677         LOOP_VECTORIZED calls vanished and fixup.
8678         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8679
8680 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8681
8682         * config/s390/constraints.md (jdd): New constraint.
8683
8684 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8685
8686         PR target/89229
8687         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8688         upper 16 vector registers without TARGET_AVX512VL.
8689         (*movti_internal): Likewise.
8690
8691 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8692
8693         PR rtl-optimization/89234
8694         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8695         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8696         (copy_reg_eh_region_note_backward): Likewise.
8697
8698 2019-02-08  Richard Biener  <rguenther@suse.de>
8699
8700         PR middle-end/89223
8701         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8702         doesn't fit in HWI.
8703         (analyze_subscript_affine_affine): Handle failure from
8704         initialize_matrix_A.
8705
8706 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8707
8708         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8709         cfun everywhere.
8710
8711 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8712
8713         PR tree-optimization/86637
8714         PR tree-optimization/89235
8715         * tree-vect-loop.c (optimize_mask_stores): Add an
8716         auto_purge_vect_location sentinel to ensure that vect_location is
8717         purged on exit.
8718         * tree-vectorizer.c
8719         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8720         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8721         to ensure that vect_location is purged on exit.
8722         (pass_slp_vectorize::execute): Likewise, replacing the manual
8723         reset.
8724         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8725
8726 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8727
8728         * config/aarch64/iterators.md (max_opp): New code_attr.
8729         (USMAX): New code iterator.
8730         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8731         (aarch64_smax): Likewise.
8732         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8733         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8734         MINUS (MAX MIN).
8735
8736 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8737
8738         PR target/89229
8739         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8740         for TARGET_AVX512VL.
8741         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8742
8743 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8744
8745         * config/s390/s390-builtin-types.def: Add new types.
8746         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8747         (s390_vec_xlw4): Make the memory operand into a const pointer.
8748         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8749         float.
8750         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8751         a new vector type with the alignment of the scalar memory operand.
8752
8753 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8754             Jakub Jelinek  <jakub@redhat.com>
8755
8756         PR bootstrap/88714
8757         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8758         arm_count_ldrdstrd_insns): New declarations.
8759         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8760         MINUS.
8761         (valid_operands_ldrd_strd): New function.
8762         (arm_count_ldrdstrd_insns): New function.
8763         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8764         sets instead of single DImode set and define new insns to match this.
8765
8766 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8767
8768         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8769         Make it a C initializer.
8770
8771 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8772
8773         PR/target 88850
8774         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8775
8776 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8777
8778         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8779         Use neon_dot<q> for type.
8780         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8781
8782 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8783
8784         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8785         Use neon_dot<q> for type.
8786         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8787         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8788
8789 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8790
8791         PR rtl-optimization/89225
8792         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8793         sizes check.
8794
8795 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8796
8797         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8798         after restoring registers saved to allocate the frame on Windows.
8799
8800 2019-02-06  Richard Biener  <rguenther@suse.de>
8801
8802         PR tree-optimization/89182
8803         * graphite.h (cached_scalar_evolution_in_region): Declare.
8804         * graphite.c (struct seir_cache_key): New.
8805         (struct sese_scev_hash): Likewise.
8806         (seir_cache): New global.
8807         (cached_scalar_evolution_in_region): New function.
8808         (graphite_transform_loops): Allocate and release seir_cache.
8809         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8810         cached_scalar_evolution_in_region.
8811         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8812         Simplify.
8813         (scop_detection::graphite_can_represent_expr: Use
8814         cached_scalar_evolution_in_region.
8815         (scop_detection::stmt_simple_for_scop_p): Likewise.
8816         (find_params_in_bb): Likewise.
8817         (gather_bbs::before_dom_children): Likewise.
8818         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8819         (add_loop_constraints): Likewise.
8820
8821 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8822
8823         PR middle-end/89210
8824         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8825         operand to new_unary_operation only if both element types are integral
8826         and it isn't a widening conversion.  Return NULL_TREE if
8827         new_unary_operation failed.
8828
8829 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8830
8831         PR target/88856
8832         * config/s390/s390.md: Remove load and test FP splitter.
8833
8834 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8835
8836         PR target/89112
8837         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8838         expand_compare_loop, expand_block_compare_gpr,
8839         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8840         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8841         #include "profile-count.h" and "predict.h" for types and functions
8842         needed to work with REG_BR_PROB notes.
8843
8844 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8845
8846         PR target/89112
8847         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8848         for the long branch case.
8849
8850 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8851
8852         PR target/89188
8853         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8854         can throw, non-call exceptions are enabled and we can't delete
8855         dead exceptions or alter cfg.  Set must_clean if
8856         delete_insn_and_edges returns true, don't set it blindly for calls.
8857         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8858
8859         PR rtl-optimization/89195
8860         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8861         of the original MEM.
8862
8863 2019-02-05  Martin Liska  <mliska@suse.cz>
8864
8865         PR gcov-profile/89000
8866         * gcov.c (function_summary): Remove argument.
8867         (file_summary): New function.
8868         (print_usage): Replace tabs with spaces.
8869         (generate_results): Use new function file_summary.
8870
8871 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8872
8873         PR target/89186
8874         * optabs.c (prepare_cmp_insn): Pass x and y to
8875         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8876
8877 2019-02-05  Richard Biener  <rguenther@suse.de>
8878
8879         PR middle-end/89150
8880         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8881         (struct bitmap_element): Drop chain_prev so we properly recurse on
8882         the prev member, supporting tree views.
8883         (struct bitmap_head): GTY skip the obstack member.
8884
8885 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8886
8887         PR c/88698
8888         * doc/extend.texi (Vector Extensions): Add an example of using vector
8889         types together with x86 intrinsics.
8890
8891 2019-02-04  Alan Modra  <amodra@gmail.com>
8892
8893         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8894         str[] size to 160, and comment.
8895
8896 2019-02-04  Alan Modra  <amodra@gmail.com>
8897
8898         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8899         (rs6000_pltseq_template): Guard output of TLS markers with
8900         TARGET_TLS_MARKERS.
8901         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8902         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8903         to use inline PLT sequences.
8904         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8905         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8906         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8907
8908 2019-02-04  Martin Liska  <mliska@suse.cz>
8909
8910         PR ipa/88985
8911         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8912         out when ipa_fn_summaries does not contain entry for callee.
8913
8914 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8915
8916         * config/sparc/sparc.h: Remove superfluous blank lines.
8917         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8918         (got_register_rtx): ...this.
8919         (sparc_got): Adjust to above renaming.
8920         (sparc_tls_got): Likewise.
8921         (sparc_delegitimize_address): Likewise.
8922         (sparc_output_mi_thunk): Likewise.
8923         (sparc_init_pic_reg): Likewise.
8924         (save_local_or_in_reg_p): Fix test on the GOT register.
8925         (USE_HIDDEN_LINKONCE): Move around.
8926         (get_pc_thunk_name): Likewise.
8927         (gen_load_pcrel_sym): Likewise.
8928         (load_got_register): Likewise.
8929
8930 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8931
8932         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8933         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8934
8935 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8936
8937         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8938         into consideration.
8939
8940 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8941
8942         * config.gcc (with_nds32_lib, glibc):
8943         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8944         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8945         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8946
8947 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8948
8949         PR target/89071
8950         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8951         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8952         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8953         (*rcpsf2_sse): Ditto.
8954         (*rsqrtsf2_sse): Ditto.
8955         (sse4_1_round<mode<2): Ditto.
8956
8957 2019-02-03  Richard Biener  <rguenther@suse.de>
8958
8959         PR debug/87295
8960         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8961         orig.
8962
8963 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8964
8965         PR middle-end/87887
8966         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8967         Punt with warning on aggregate return or argument types.  Ignore
8968         type/mode checking for uniform arguments.
8969
8970 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8971
8972         * combine.c (try_combine): Do not print "Can't combine" messages unless
8973         printing failed combination attempts.
8974
8975 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8976
8977         PR hsa/87863
8978         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8979         segment and global segment variables before making them static.
8980
8981 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8982
8983         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8984         missed optimization dump with dump_enabled_p.
8985
8986 2019-02-01  Richard Biener  <rguenther@suse.de>
8987
8988         PR middle-end/88597
8989         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8990         the instantiate cache.
8991         (instantiate_scev_binary): Elide second operand procesing
8992         if equal to the first.
8993         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8994         (chrec_contains_undetermined): Likewise.
8995         (tree_contains_chrecs): Likewise.
8996
8997 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
8998
8999         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
9000
9001 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
9002
9003         PR tree-optimization/89143
9004         * wide-int-range.h (wide_int_range_absu): Declare.
9005         * wide-int-range.cc (wide_int_range_absu): New function.
9006         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
9007
9008         PR tree-optimization/88107
9009         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
9010         instead of assertion that eh_region_outermost is non-NULL, if it
9011         is NULL, set *ALL to true and return NULL.
9012         (move_sese_region_to_fn): Adjust caller, if all is set, call
9013         duplicate_eh_regions with NULL region.
9014
9015 2019-02-01  Richard Biener  <rguenth@suse.de>
9016
9017         PR rtl-optimization/88593
9018         * mode-switching.c (optimize_mode_switching): Free dominators before
9019         calling cleanup_cfg.
9020
9021 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
9022
9023         PR tree-optimization/88932
9024         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
9025
9026 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9027
9028         PR middle-end/89137
9029         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
9030         bogus clang warning.
9031
9032 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
9033
9034         PR target/89071
9035         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
9036         alternative to avoid partial SSE register stall for TARGET_AVX.
9037         (truncdfsf2): Ditto.
9038         (sse4_1_round<mode>2): Ditto.
9039
9040 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
9041
9042         PR tree-optimization/89008
9043         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
9044         process anything of the form X * 0.
9045
9046 2019-01-31  Richard Biener  <rguenther@suse.de>
9047
9048         PR tree-optimization/89135
9049         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
9050         with abnormal preds.
9051
9052 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9053
9054         PR sanitizer/89124
9055         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
9056         always_inline callees into no_sanitize_address callers.
9057
9058 2019-01-31  Richard Biener  <rguenther@suse.de>
9059
9060         PR rtl-optimization/89115
9061         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
9062
9063 2019-01-30  Martin Sebor  <msebor@redhat.com>
9064
9065         PR other/89106
9066         * doc/extend.texi (cast to a union): Correct and expand.
9067
9068 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
9069
9070         PR rtl-optimization/87246
9071         * lra-constraints.c (simplify_operand_subreg): Reload memory
9072         in subreg if the address became invalid.
9073
9074 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
9075
9076         PR target/87064
9077         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
9078         Disable for little-endian.
9079
9080 2019-01-30  Richard Biener  <rguenther@suse.de>
9081
9082         PR rtl-optimization/89115
9083         * opts.c (default_options_optimization): Reduce
9084         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
9085         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
9086         to the default.
9087
9088 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9089
9090         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
9091         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
9092         type of vector element when vec_extract is implemented by direct
9093         move.
9094
9095 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
9096
9097         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
9098
9099 2019-01-30  Richard Biener  <rguenther@suse.de>
9100
9101         PR tree-optimization/89111
9102         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
9103         canonicalization to appropriately sized access types.
9104
9105 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
9106
9107         PR c++/89105
9108         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
9109         for arguments to functions that are TU-local and shouldn't be
9110         referenced by assembly.
9111
9112 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
9113
9114         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
9115         after '='.
9116
9117 2019-01-29  Martin Sebor  <msebor@redhat.com>
9118
9119         PR c/88956
9120         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
9121
9122 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
9123
9124         PR c++/66676
9125         PR ipa/89104
9126         * omp-simd-clone.c (simd_clone_clauses_extract)
9127         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
9128         OMP_CLAUSE_ALIGNED_ALIGNMENT.
9129
9130 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
9131
9132         * config.gcc: Force .init_array for ARC.
9133
9134 2019-01-29  Richard Biener  <rguenther@suse.de>
9135
9136         PR debug/87295
9137         * dwarf2out.c (collect_skeleton_dies): New helper.
9138         (copy_decls_for_unworthy_types): Call it.
9139         (build_abbrev_table): Assert we do not try to replace
9140         DW_AT_signature refs with local refs.
9141
9142 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9143
9144         PR middle-end/89002
9145         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
9146         for lastprivate/linear IV, push gimplify context around gimplify_assign
9147         and, if it needed any temporaries, pop it into a gimple bind around the
9148         sequence.
9149
9150 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9151
9152         * common.opt (-Wattribute-alias): Remove "no-" from name.
9153         Make -Wattribute-alias command line option and
9154         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
9155
9156 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9157
9158         PR target/89073
9159         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
9160         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
9161         x86 ISA options.
9162         (bmi2): Add missing @opindex.
9163         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
9164         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
9165         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
9166         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
9167         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
9168         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
9169         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
9170         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
9171         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
9172         xsavec, xsaveopt and xsaves options.
9173
9174 2019-01-28  Richard Biener  <rguenther@suse.de>
9175
9176         PR debug/89076
9177         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
9178         support removal.
9179
9180 2019-01-28  Richard Biener  <rguenther@suse.de>
9181
9182         PR tree-optimization/88739
9183         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9184         BIT_FIELD_REFs only are applied to mode-precision operands
9185         when they are integral.
9186         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
9187         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
9188         BIT_FIELD_REFs of non-mode-precision integral operands.
9189
9190 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
9191
9192         PR target/87214
9193         * config/i386/sse.md
9194         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9195         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9196         first constants in pairs are multiples of 2.  Formatting fixes.
9197         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9198         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9199         first constants in each quadruple are multiples of 4.  Formatting fixes.
9200
9201 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9202
9203         PR ipa/88933
9204         * tree-inline.c: Include tree-cfgcleanup.h.
9205         (delete_unreachable_blocks_update_callgraph): Move...
9206         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9207         ...here, make externally visible, make second argument bool, adjust
9208         all callers.
9209         * tree-cfgcleanup.c: Include cgraph.h.
9210         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9211         Declare.
9212         * ipa-prop.c: Include tree-cfgcleanup.h.
9213         (ipcp_transform_function): Call
9214         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9215
9216 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9217
9218         PR rtl-optimization/88846
9219         * ira.c (process_set_for_memref_referenced_p): New.
9220         (memref_referenced_p): Add new param.  Use
9221         process_set_for_memref_referenced_p.  Add new switch cases.
9222         (memref_used_between_p): Pass new arg to memref_referenced_p.
9223
9224 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9225
9226         PR target/88469
9227         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9228         argument ABI_BREAK.  Set to true if the calculated alignment has
9229         changed in gcc-9.  Check bit-fields for their base type alignment.
9230         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9231         (aarch64_function_arg_boundary): Likewise.
9232         (aarch64_gimplify_va_arg_expr): Likewise.
9233
9234 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9235
9236         PR middle-end/89037
9237         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9238         instead of accessing TREE_INT_CST_ELT directly.
9239
9240 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9241
9242         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9243         fenv_exceptions description.
9244
9245 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9246
9247         PR rtl-optimization/87763
9248         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9249         Allow SUBREG when matching CC_NZmode compare.
9250
9251 2019-01-25  Richard Biener  <rguenther@suse.de>
9252
9253         PR tree-optimization/89049
9254         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9255         Look at the pattern stmt to determine if the stmt is vectorized.
9256
9257 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9258
9259         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9260         (pred_mov<mode>): Handle all-register forms using both a new
9261         alternative and a split.
9262
9263 2019-01-25  Richard Biener  <rguenther@suse.de>
9264
9265         PR tree-optimization/86865
9266         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9267         Reject non-do-while loops.
9268
9269 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9270
9271         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9272         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9273         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9274         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9275         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9276         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9277         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9278         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9279         vlogical_operand, gpc_reg_operand, int_reg_operand,
9280         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9281         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9282         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9283         (save_world_operation, restore_world_operation, lmw_operation,
9284         stmw_operation): Use MEM_P and REG_P.
9285         (tie_operand): Use MEM_P.
9286         (vrsave_operation, crsave_operation): Use REG_P.
9287         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9288         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9289         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9290         (call_operand): Use HARD_REGISTER_P.
9291         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9292         Use CONST_INT_P.
9293         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9294         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9295         quad_aligned_load_p, replace_swapped_aligned_store,
9296         recombine_lvx_pattern, replace_swapped_aligned_load,
9297         recombine_stvx_pattern): Use MEM_P.
9298         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9299         Use MEM_P and SYMBOL_REF_P.
9300         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9301         (insn_is_swappable_p): Use REG_P and MEM_P.
9302         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9303         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9304         Use CONST_INT_P.
9305         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9306         Use CONST_DOUBLE_P.
9307         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9308         CONST_WIDE_INT_P.
9309         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9310         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9311         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9312         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9313         reg_or_subregno:
9314         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9315         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9316         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9317         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9318         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9319         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9320         rs6000_split_logical_di): Use CONST_INT_P.
9321         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9322         REG_P and SYMBOL_REF_P.
9323         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9324         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9325         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9326         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9327         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9328         (small_data_operand, print_operand_address): Use CONST_INT_P and
9329         SYMBOL_REF_P.
9330         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9331         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9332         Use HARD_REGISTER_NUM_P.
9333         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9334         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9335         SUBREG_P and SYMBOL_REF_P.
9336         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9337         and HARD_REGISTER_NUM_P.
9338         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9339         reg_or_subregno.
9340         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9341         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9342         MEM_P and REG_P.
9343         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9344         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9345         find_addr_reg): Use REG_P.
9346         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9347         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9348         (offsettable_ok_by_alignment, constant_pool_expr_p,
9349         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9350         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9351         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9352         rs6000_assemble_integer, create_TOC_reference,
9353         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9354         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9355         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9356         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9357         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9358         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9359         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9360         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9361         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9362         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9363         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9364         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9365         and cbranch<mode>4): Use CONST_INT_P.
9366         (multiple define_splits): Use REG_P and SUBREG_P.
9367         (define_expands call, call_value): Use MEM_P.
9368         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9369         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9370         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9371         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9372         and HARD_REGISTER_NUM_P.
9373         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9374
9375 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9376
9377         PR rtl-optimization/88948
9378         * rtl.h (prepare_copy_insn): New prototype.
9379         * gcse.c (prepare_copy_insn): New function, split out from
9380         process_insert_insn.
9381         (process_insert_insn): Use prepare_copy_insn.
9382         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9383         instead of gen_move_insn.
9384
9385 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9386
9387         PR debug/89006
9388         * config/i386/i386.c (ix86_pic_register_p): Return true for
9389         UNSPEC_SET_GOT too.
9390
9391         PR tree-optimization/88964
9392         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9393         punt if HONOR_SNANS (chrec).
9394
9395         PR middle-end/89015
9396         * tree-nested.c (convert_nonlocal_reference_stmt,
9397         convert_local_reference_stmt, convert_tramp_reference_stmt,
9398         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9399         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9400         or GIMPLE_OMP_TASK.
9401
9402         PR tree-optimization/89027
9403         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9404         for "omp simd array" variables.
9405
9406 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9407
9408         PR target/88469
9409         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9410         force the alignment of m_val.
9411
9412 2019-01-24  Richard Biener  <rguenther@suse.de>
9413
9414         PR lto/87187
9415         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9416         When in "legacy" debug mode make sure to reset self-origins.
9417
9418 2019-01-24  Martin Liska  <mliska@suse.cz>
9419
9420         PR gcov-profile/88994
9421         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9422         result will be always smaller or equal to the original.
9423         * gcov.c (mangle_name): Fix else branch where we should
9424         also copy to PTR and shift the pointer.
9425
9426 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9427
9428         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9429         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9430
9431 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9432
9433         * common/config/i386/i386-common.c
9434         (OPTION_MASK_ISA_ENQCMD_SET,
9435         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9436         (ix86_handle_option): Handle -menqcmd.
9437         * config.gcc (enqcmdintrin.h): New header file.
9438         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9439         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9440         -menqcmd.
9441         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9442         function type.
9443         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9444         __builtin_ia32_enqcmds): New builtins.
9445         * config/i386/i386-c.c (__ENQCMD__): New macro.
9446         * config/i386/i386-option.c (ix86_target_string): Add
9447         -menqcmd.
9448         (ix86_valid_target_attribute_inner_p): Likewise.
9449         * config/i386/i386-expand.c
9450         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9451         IX86_BUILTIN_ENQCMDS.
9452         * config/i386/i386.h (TARGET_ENQCMD): New.
9453         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9454         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9455         (movdir64b_<mode>): Parameterize to enable share expansion code
9456         with ENQCMD in function ix86_expand_builtin.
9457         * config/i386/i386.opt: Add -menqcmd.
9458         * config/i386/immintrin.h: Include enqcmdintrin.h.
9459         * config/i386/enqcmdintrin.h: New intrinsic file.
9460         * doc/invoke.texi: Add -menqcmd.
9461
9462 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9463             Steve Ellcey <sellcey@marvell.com>
9464
9465         PR target/85711
9466         * recog.c (address_operand): Return false on wrong mode for address.
9467         (constrain_operands): Check for mode with 'p' constraint.
9468
9469 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9470
9471         PR target/88998
9472         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9473         Disparage MMX alternative.
9474         (sse2_cvtpd2pi): Ditto.
9475         (sse2_cvttpd2pi): Ditto.
9476
9477 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9478
9479         PR driver/89014
9480         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9481         use-after-free of the result of
9482         aarch64_get_extension_string_for_isa_flags.
9483
9484 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9485
9486         PR c/44715
9487         * doc/extend.texi: Document break and continue behavior in
9488         statement expressions.
9489
9490 2019-01-23  Richard Biener  <rguenther@suse.de>
9491
9492         PR tree-optimization/89008
9493         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9494         not leave another stray operand.
9495
9496 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9497
9498         * BASE-VER: Bump to 9.0.1.
9499
9500 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9501
9502         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9503         thunk that returns by reference, use the type of the return object
9504         of the thunk instead of that of the alias to build the dereference.
9505
9506 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9507
9508         * config/arc/atomic.md: Add operand to DMB instruction.
9509
9510 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9511
9512         PR tree-optimization/88964
9513         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9514         build_zero_cst instead of build_int_cst.  Return false for loop
9515         invariants which honor signed zeros.
9516
9517 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9518
9519         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9520
9521 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9522
9523         PR target/88965
9524         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9525         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9526         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9527
9528         PR middle-end/88968
9529         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9530         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9531
9532         PR target/87064
9533         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9534         Disable for little endian.
9535
9536 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9537
9538         PR target/88469
9539         * config/arm/arm.c (arm_needs_double_word_align): Check
9540         DECL_BIT_FIELD_TYPE.
9541
9542 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9543             H.J. Lu  <hongjiu.lu@intel.com>
9544
9545         PR target/88909
9546         * config/i386/i386-builtin.def: Add mask2 to all builtin
9547         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9548         SPECIAL_ARGS.
9549         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9550         (BDESC_FIRST): Likewise.
9551         (define_builtin): Add an argument for mask2.  Updated to handle
9552         both ix86_isa_flags and ix86_isa_flags2.
9553         (define_builtin_const): Likewise.
9554         (define_builtin_pure): Likewise.
9555         (define_builtin2): Deleted.
9556         (define_builtin_const2): Likewise.
9557         (builtin_description): Add a member, mask2.
9558         (bdesc_*): Add mask2 to builtin initializations.
9559         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9560         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9561         support.
9562         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9563
9564 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9565
9566         PR target/88954
9567         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9568         noplt attribute.
9569
9570 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9571
9572         PR target/88469
9573         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9574         alignment is dominated by a bitfield with 64-bit aligned base type.
9575         (arm_function_arg): Emit a warning if the alignment has changed since
9576         earlier GCC releases.
9577         (arm_function_arg_boundary): Likewise.
9578         (arm_setup_incoming_varargs): Likewise.
9579
9580 2019-01-22  Richard Biener  <rguenther@suse.de>
9581
9582         PR tree-optimization/88862
9583         * graphite-scop-detection.c
9584         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9585
9586 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9587
9588         * doc/extend.tex (AMD GCN Function Attributes): New section.
9589         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9590         * doc/invoke.texi (AMD GCN Options): New section.
9591         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9592
9593 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9594
9595         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9596         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9597
9598 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9599
9600         PR tree-optimization/88044
9601         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9602         is false in the first iteration, but !every_iteration, return false
9603         instead of true with niter->niter zero.
9604
9605         PR rtl-optimization/88904
9606         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9607         any nonequal registers before processing BB_END (b).
9608
9609         PR target/88905
9610         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9611         GET_MODE (op0).
9612         (expand_binop_directly, expand_doubleword_clz,
9613         expand_doubleword_popcount, expand_ctz, expand_ffs,
9614         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9615
9616         PR rtl-optimization/49429
9617         PR target/49454
9618         PR rtl-optimization/86334
9619         PR target/88906
9620         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9621         addressable from here...
9622         (emit_block_op_via_libcall): ... to here.
9623
9624 2019-01-22  Richard Biener  <rguenther@suse.de>
9625
9626         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9627         auto_vec for cost vector to fix memleak.
9628         (vectorize_fold_left_reduction): Properly gather SLP defs.
9629         (vectorizable_comparison): Do not swap operands to properly
9630         gather SLP defs.
9631
9632 2019-01-22  Alan Modra  <amodra@gmail.com>
9633
9634         PR target/88614
9635         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9636         stays a reg.  Allow a const_int.
9637         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9638         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9639         (IS_NOMARK_TLSGETADDR): Define.
9640         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9641         (rs6000_output_tlsargs): New function.
9642         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9643         __tls_get_addr call takes an arg.
9644         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9645         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9646         delete split..
9647         (call_value_nonlocal_sysv): ..or here, delete split.
9648         (tls_gdld_nomark): Delete.
9649         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9650         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9651         (call_value_nonlocal_sysv): Likewise.
9652         (call_value_nonlocal_sysv_secure): Likewise.
9653         (call_value_nonlocal_aix): Likewise.
9654         (call_value_indirect_aix): Likewise.
9655         (call_value_indirect_elfv2): Likewise.
9656         (call_value_local32, call_value_local64): Disable for no-mark tls.
9657         (call_value_local_aix): Likewise.
9658
9659 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9660
9661         PR target/88938
9662         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9663         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9664
9665 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9666
9667         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9668         string contents as hash_map keys.
9669
9670 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9671
9672         PR c/88928
9673         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9674         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9675         instead of TYPE_ALIGN.
9676         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9677         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9678         pointer from TYPE_STUB_DECL.
9679
9680 2019-01-21  Richard Biener  <rguenther@suse.de>
9681
9682         PR tree-optimization/88934
9683         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9684         at the possibly non-constant operand.
9685         (vect_get_constant_vectors): Adjust.
9686
9687 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9688
9689         PR target/71659
9690         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9691         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9692         instead of _X86INTRIN_H_INCLUDED.
9693         * onfig/i386/clwbintrin.h: Likewise.
9694         * config/i386/pkuintrin.h: Likewise.
9695         * config/i386/prfchwintrin.h: Likewise.
9696         * config/i386/rdseedintrin.h: Likewise.
9697         * config/i386/wbnoinvdintrin.h: Likewise.
9698         * config/i386/xsavecintrin.h: Likewise.
9699         * config/i386/xsavesintrin.h: Likewise.
9700         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9701         * config/i386/xsaveintrin.h: Likewise.
9702         * config/i386/xsaveoptintrin.h: Likewise.
9703         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9704         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9705         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9706         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9707         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9708         * config/i386/immintrin.h: Here.
9709
9710 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9711
9712         PR ipa/87615
9713         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9714         with aa_walk_budget.
9715         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9716         aa_walk_budget_p parameter.
9717         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9718         walk.  Updated all callers.
9719         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9720         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9721         unmodified_parm.
9722         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9723         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9724         and to unmodified_parm.
9725         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9726         info, updated call to will_be_nonconstant_expr_predicate.
9727         (param_change_prob): New parameter fbi, limit AA walking.
9728         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9729         calls to various above functions.
9730         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9731         parameter.  Use it to limit AA walking.
9732         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9733         fbi, limit AA walk.
9734         (detect_type_change): New parameter fbi, pass it on to
9735         detect_type_change_from_memory_writes.
9736         (detect_type_change_ssa): Likewise.
9737         (aa_overwalked): Removed.
9738         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9739         accordingly, adjust to the neew AA limiting scheme.
9740         (parm_ref_data_preserved_p): Likewise.
9741         (ipa_compute_jump_functions_for_edge): Adjust call to
9742         get_dynamic_type.
9743         (ipa_analyze_call_uses): Likewise.
9744         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9745         (ipa_analyze_node): Initialize aa_walk_budget.
9746         (ipcp_transform_function): Likewise.
9747         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9748         to get_dynamic_type.
9749
9750 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9751
9752         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9753         outside of #if CHECKING_P code.
9754
9755 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9756
9757         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9758         New function, split out from...
9759         (loop_versioning::analyze_stride): ...here.
9760         (loop_versioning::find_per_loop_multiplication): Use gassign.
9761         (loop_versioning::analyze_term_using_scevs): Return a success code.
9762         (loop_versioning::analyze_arbitrary_term): New function.
9763         (loop_versioning::analyze_address_fragment): Use
9764         analyze_arbitrary_term if all else fails.
9765
9766 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9767
9768         PR target/88892
9769         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9770         operands.
9771
9772 2019-01-18  Richard Biener  <rguenther@suse.de>
9773
9774         PR tree-optimization/88903
9775         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9776         scalar stmts a SLP shift amount is composed of when detecting
9777         shifts by scalars.
9778
9779 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9780
9781         PR target/88799
9782         * config/arm/arm-cpus.in (mp): New feature.
9783         (sec): New feature.
9784         (fgroup ARMv7ve): Add mp and sec features.
9785         (arch armv7-a): Add options to allow mp and sec extensions.
9786         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9787         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9788         extenstions to the base architecture.
9789         (cpu cortex-a8): Add sec extension to the base architecture.
9790         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9791         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9792         variants down to the base v7-a varaint.
9793         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9794         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9795         of permitted extensions for -march=armv7-a and for
9796         -mcpu=generic-armv7-a.
9797
9798 2019-01-18  Martin Liska  <mliska@suse.cz>
9799
9800         * params.def: Fix comment.
9801         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9802         name.
9803         (gimple_gen_ic_func_profiler): Likewise.
9804
9805 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9806
9807         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9808         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9809         and put in error checks for stack protector guard options.
9810         (aarch64_stack_protect_guard): New.
9811         (TARGET_STACK_PROTECT_GUARD): Define.
9812         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9813         (reg_stack_protect_address<mode>): New.
9814         (stack_protect_set): Adjust for SSP_GLOBAL.
9815         (stack_protect_test): Likewise.
9816         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9817         (-mstack-protector-guard): Likewise.
9818         (-mstack-protector-guard-offset): Likewise.
9819
9820 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9821
9822         PR tree-optimization/86214
9823         * tree-inline.h (struct copy_body_data): Add
9824         add_clobbers_to_eh_landing_pads member.
9825         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9826         (copy_edges_for_bb): Call it if EH edge destination is <
9827         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9828         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9829         if flag_stack_reuse != SR_NONE and clear it afterwards.
9830
9831 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9832
9833         PR target/85596
9834         * doc/install.texi (with-multilib-list): Document for aarch64.
9835
9836 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9837
9838         PR target/88734
9839         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9840         (("..."))) with ("...").
9841
9842 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9843
9844         * doc/extend.texi (Built-in Functions for Memory Model Aware
9845         Atomic Operations): Document atomic fetch and nand.
9846
9847 2019-01-18  Martin Liska  <mliska@suse.cz>
9848             Richard Biener  <rguenther@suse.de>
9849
9850         PR middle-end/88587
9851         * cgraph.h (create_version_clone_with_body): Add new argument
9852         with attributes.
9853         * cgraphclones.c (cgraph_node::create_version_clone): Add
9854         DECL_ATTRIBUTES to a newly created decl.  And call
9855         valid_attribute_p so that proper cl_target_optimization_node
9856         is set for the newly created declaration.
9857         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9858         for declaration.
9859         (expand_target_clones): Do not call valid_attribute_p, it must
9860         be already done.
9861         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9862         vector types.
9863
9864 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9865
9866         PR target/88734
9867         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9868         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9869         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9870
9871 2019-01-17  Martin Sebor  <msebor@redhat.com>
9872
9873         PR middle-end/88273
9874         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9875         Handle anti-ranges the same as no range at all.
9876
9877 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9878
9879         * config/aarch64/aarch64.c (cgraph.h): New include.
9880         (intl.h): New include.
9881         (supported_simd_type): New function.
9882         (currently_supported_simd_type): Ditto.
9883         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9884         (aarch64_simd_clone_adjust): Ditto.
9885         (aarch64_simd_clone_usable): Ditto.
9886         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9887         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9888         (TARGET_SIMD_CLONE_USABLE): Ditto.
9889         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9890         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9891         call.
9892
9893 2019-01-17  Martin Sebor  <msebor@redhat.com>
9894
9895         PR tree-optimization/88800
9896         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9897         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9898         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9899         redundant argument.  Add new argument and issue diagnostics under
9900         its control.  Detect out-of-bounds access even with warnings
9901         disabled.
9902         (check_bounds_or_overlap): Change return type.  Add argument.
9903         (wrestrict_dom_walker::check_call): Adjust.
9904         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9905         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9906         check_bounds_or_overlap's return value.
9907         (handle_builtin_stxncpy): Same.
9908         (handle_builtin_strcat): Same.
9909
9910 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9911             Kwok Cheung Yeung  <kcy@codesourcery.com>
9912             Julian Brown  <julian@codesourcery.com>
9913             Tom de Vries  <tom@codesourcery.com>
9914
9915         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9916
9917 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9918
9919         * doc/sourcebuild.texi: Document dg-require-effective-target
9920         llvm_binutils and offload_gcn.
9921
9922 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9923             Kwok Cheung Yeung  <kcy@codesourcery.com>
9924             Julian Brown  <julian@codesourcery.com>
9925             Tom de Vries  <tom@codesourcery.com>
9926
9927         * doc/sourcebuild.texi: Document dg-required-effective-target
9928         exceptions.
9929
9930 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9931             Kwok Cheung Yeung  <kcy@codesourcery.com>
9932             Julian Brown  <julian@codesourcery.com>
9933             Tom de Vries  <tom@codesourcery.com>
9934             Jan Hubicka  <hubicka@ucw.cz>
9935             Martin Jambor  <mjambor@suse.cz>
9936
9937         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9938         * configure.ac: Check for dlopen.
9939         * configure: Regenerate.
9940
9941 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9942             Kwok Cheung Yeung  <kcy@codesourcery.com>
9943             Julian Brown  <julian@codesourcery.com>
9944             Tom de Vries  <tom@codesourcery.com>
9945             Jan Hubicka  <hubicka@ucw.cz>
9946             Martin Jambor  <mjambor@suse.cz>
9947
9948         * common/config/gcn/gcn-common.c: New file.
9949         * config/gcn/driver-gcn.c: New file.
9950         * config/gcn/gcn-builtins.def: New file.
9951         * config/gcn/gcn-hsa.h: New file.
9952         * config/gcn/gcn-modes.def: New file.
9953         * config/gcn/gcn-opts.h: New file.
9954         * config/gcn/gcn-passes.def: New file.
9955         * config/gcn/gcn-protos.h: New file.
9956         * config/gcn/gcn-run.c: New file.
9957         * config/gcn/gcn-tree.c: New file.
9958         * config/gcn/gcn.c: New file.
9959         * config/gcn/gcn.h: New file.
9960         * config/gcn/gcn.opt: New file.
9961         * config/gcn/t-gcn-hsa: New file.
9962
9963 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9964             Kwok Cheung Yeung  <kcy@codesourcery.com>
9965             Julian Brown  <julian@codesourcery.com>
9966             Tom de Vries  <tom@codesourcery.com>
9967             Jan Hubicka  <hubicka@ucw.cz>
9968             Martin Jambor  <mjambor@suse.cz>
9969
9970         * config/gcn/constraints.md: New file.
9971         * config/gcn/gcn-valu.md: New file.
9972         * config/gcn/gcn.md: New file.
9973         * config/gcn/predicates.md: New file.
9974
9975 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9976
9977         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9978         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9979         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9980         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9981
9982 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9983
9984         PR target/88851
9985         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9986         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9987         it and document registers.
9988
9989 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9990
9991         * config/aarch64/aarch64.c (ares_tunings): Define.
9992         * config/aarch64/aarch64-cores.def (ares): Use the above.
9993
9994 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
9995
9996         PR target/88794
9997         Revert:
9998         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
9999
10000         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
10001         (_mm512_fixupimm_round_pd): Update parameters and builtin.
10002         (_mm512_maskz_fixupimm_round_pd): Ditto.
10003         (_mm512_fixupimm_round_ps): Ditto.
10004         (_mm512_maskz_fixupimm_round_ps): Ditto.
10005         (_mm_fixupimm_round_sd): Ditto.
10006         (_mm_maskz_fixupimm_round_sd): Ditto.
10007         (_mm_fixupimm_round_ss): Ditto.
10008         (_mm_maskz_fixupimm_round_ss): Ditto.
10009         (_mm512_fixupimm_pd): Ditto.
10010         (_mm512_maskz_fixupimm_pd): Ditto.
10011         (_mm512_fixupimm_ps): Ditto.
10012         (_mm512_maskz_fixupimm_ps): Ditto.
10013         (_mm_fixupimm_sd): Ditto.
10014         (_mm_maskz_fixupimm_sd): Ditto.
10015         (_mm_fixupimm_ss): Ditto.
10016         (_mm_maskz_fixupimm_ss): Ditto.
10017         (_mm512_mask_fixupimm_round_pd): Update builtin.
10018         (_mm512_mask_fixupimm_round_ps): Ditto.
10019         (_mm_mask_fixupimm_round_sd): Ditto.
10020         (_mm_mask_fixupimm_round_ss): Ditto.
10021         (_mm512_mask_fixupimm_pd): Ditto.
10022         (_mm512_mask_fixupimm_ps): Ditto.
10023         (_mm_mask_fixupimm_sd): Ditto.
10024         (_mm_mask_fixupimm_ss): Ditto.
10025         * config/i386/avx512vlintrin.h:
10026         (_mm256_fixupimm_pd): Update parameters and builtin.
10027         (_mm256_maskz_fixupimm_pd): Ditto.
10028         (_mm256_fixupimm_ps): Ditto.
10029         (_mm256_maskz_fixupimm_ps): Ditto.
10030         (_mm_fixupimm_pd): Ditto.
10031         (_mm_maskz_fixupimm_pd): Ditto.
10032         (_mm_fixupimm_ps): Ditto.
10033         (_mm_maskz_fixupimm_ps): Ditto.
10034         (_mm256_mask_fixupimm_pd): Update builtin.
10035         (_mm256_mask_fixupimm_ps): Ditto.
10036         (_mm_mask_fixupimm_pd): Ditto.
10037         (_mm_mask_fixupimm_ps): Ditto.
10038         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
10039         * config/i386/i386-builtin.def: Update builtin definitions.
10040         * config/i386/i386.c: Handle new builtin types and remove useless ones.
10041         * config/i386/sse.md: Update VFIXUPIMM* patterns.
10042         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10043         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10044         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
10045         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10046         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10047         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
10048         * config/i386/subst.md:
10049         (round_saeonly_sd_mask_operand4): Add new subst_attr.
10050         (round_saeonly_sd_mask_op4): Ditto.
10051         (round_saeonly_expand_operand5): Ditto.
10052         (round_saeonly_expand): Update.
10053
10054 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10055
10056         PR target/88794
10057         Revert:
10058         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
10059
10060         * config/i386/sse.md: Combine VFIXUPIMM* patterns
10061         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10062         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10063         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
10064         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10065         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10066         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
10067
10068 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10069
10070         PR target/88794
10071         Revert:
10072         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
10073
10074         PR target/88489
10075         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
10076         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
10077         instead of UNSPEC_FIXUPIMM.
10078
10079 2019-01-17  Richard Biener  <rguenther@suse.de>
10080
10081         PR lto/86736
10082         * dwarf2out.c (want_pubnames): Never generate pubnames sections
10083         and friends for the LTO part of debug info.
10084
10085 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10086
10087         PR tree-optimization/86214
10088         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
10089         if x == y.
10090
10091         PR rtl-optimization/88870
10092         * dce.c (deletable_insn_p): Never delete const/pure calls that can
10093         throw if we can't alter the cfg or delete dead exceptions.
10094         (mark_insn): Don't call find_call_stack_args for such calls.
10095
10096 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
10097
10098         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
10099         prototypes for vec_st.
10100         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
10101         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
10102         mainly on signed/unsigned long long and double.
10103
10104 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
10105
10106         PR target/88861
10107         * combine.c (delete_noop_moves): Convert to "bool" return,
10108         returning true if any edges are eliminated.
10109         (combine_instructions): Also return true if delete_noop_moves
10110         returns true.
10111
10112 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10113
10114         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
10115         correct max nunits for endian swap.
10116         (aarch64_expand_fcmla_builtin): Correct subreg code.
10117         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10118         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
10119         lane endianness.
10120
10121 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
10122
10123         * config/alpha/alpha.c (alpha_gimplify_va_arg):
10124         Handle split indirect COMPLEX_TYPE arguments.
10125
10126 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
10127
10128         PR target/86891
10129         * config/aarch64/aarch64-modes.def: Add comment about how the carry
10130         bit is set by add and compare.
10131         (CC_ADC): New CC_MODE.
10132         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
10133         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
10134         comparison.  Add detection for CC_ADCmode.
10135         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
10136         CC_ADCmode.
10137         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
10138         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
10139         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
10140         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
10141         to eliminate the need for zero-extending the operands.
10142         (add<mode>3_compareC_imm): Delete.  Merge into ...
10143         (add<mode>3_compareC): ... this.  Restructure the comparison to
10144         eliminate the need for zero-extending the operands.
10145         (add<mode>3_carryin): Use LTU for the overflow detection.
10146         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
10147         Reexpress comparison for overflow.
10148         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
10149         (add<mode>3_carryinC): Likewise.
10150         (add<mode>3_carryinV): Use LTU for carry between partials.
10151         * config/aarch64/predicates.md (aarch64_carry_operation): Update
10152         handling of CC_Cmode and add CC_ADCmode.
10153         (aarch64_borrow_operation): Likewise.
10154
10155 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10156
10157         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
10158         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
10159         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
10160         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
10161
10162 2019-01-16  Martin Liska  <mliska@suse.cz>
10163
10164         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
10165         for GCC driver.
10166         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
10167         a new argument.
10168         * gcc.c (add_sysrooted_hdrs_prefix): New function.
10169         (path_prefix_reset): Move up in the source file.
10170         (find_fortran_preinclude_file): Make complex search for the
10171         fortran header files.
10172
10173 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
10174
10175         * godump.c (go_output_typedef): When outputting a typedef, refer
10176         to the underlying type by its name and not its structure.
10177
10178 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
10179
10180         PR c++/88795
10181         * tree.c (build_function_type): Assert that arg_types is not
10182         error_mark_node.
10183
10184 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10185
10186         PR inline-asm/52813
10187         * doc/extend.texi: Document that listing the stack pointer in the
10188         clobber list of an asm is a deprecated feature.
10189         * common.opt (Wdeprecated): Moved from c-family/c.opt.
10190         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
10191         warning instead of an error for clobbers of the stack pointer.
10192         Add a note explaining why.
10193
10194 2019-01-15  Richard Biener  <rguenther@suse.de>
10195
10196         PR debug/88046
10197         * dwarf2out.c (gen_member_die): Do not generate inheritance
10198         DIEs late.
10199
10200 2019-01-15  Richard Biener  <rguenther@suse.de>
10201
10202         PR tree-optimization/88855
10203         * tree-if-conv.c (combine_blocks): Collect
10204         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10205
10206 2019-01-15  Tom de Vries  <tdevries@suse.de>
10207
10208         PR target/80547
10209         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10210         lhs == NULL_TREE for gang-level reduction.
10211
10212 2019-01-15  Richard Biener  <rguenther@suse.de>
10213             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10214
10215         PR ipa/88788
10216         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10217         return true if SSA_NAME is already marked in visited bitmap.
10218         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10219
10220 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10221
10222         PR tree-optimization/88775
10223         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10224         equal == 0 equality pointer comparisons some more if compared in
10225         integral types and either one points to an automatic var and the
10226         other to a global, or we can prove at least one points to the middle
10227         or both point to start or both point to end.
10228
10229 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10230
10231         * Makefile.in: Lower autofdo sampling rate by 10x.
10232         * Makefile.tpl: Dito.
10233
10234 2019-01-14  Tom Honermann  <tom@honermann.net>
10235
10236         * defaults.h: Define CHAR8_TYPE.
10237
10238 2019-01-14  Martin Sebor  <msebor@redhat.com>
10239
10240         PR target/88638
10241         * doc/extend.texi (Darwin Format Checks): Clarify.
10242
10243 2019-01-14  Richard Biener  <rguenther@suse.de>
10244
10245         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10246         whether we are in (simplify ...) or (match ...) context.
10247
10248 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10249
10250         PR rtl-optimization/88796
10251         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10252         * cfgexpand.c (stack_protect_prologue): Initialize
10253         crtl->stack_protect_guard_decl.
10254         * function.c (stack_protect_epilogue): Use it instead of calling
10255         targetm.stack_protect_guard again.
10256         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10257         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10258         crtl->stack_protect_guard_decl.
10259         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10260         on the returned MEM_EXPR.
10261
10262 2019-01-12  Tom de Vries  <tdevries@suse.de>
10263
10264         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10265         vector length using -fopenacc-dim.
10266
10267 2019-01-12  Tom de Vries  <tdevries@suse.de>
10268
10269         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10270         lengths into account.
10271
10272 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10273
10274         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10275         (TARGET_CAN_SPLIT_STACK): Define.
10276         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10277
10278 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10279
10280         * params.def (inline-unit-growth): Set to 40.
10281
10282 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10283
10284         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10285
10286 2019-01-12  Tom de Vries  <tdevries@suse.de>
10287
10288         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10289         region calling vector-partitionable routine, set default_vector_length
10290         to WARP_SIZE.
10291
10292 2019-01-12  Tom de Vries  <tdevries@suse.de>
10293
10294         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10295         variable default_vector_length.
10296
10297 2019-01-12  Tom de Vries  <tdevries@suse.de>
10298
10299         PR middle-end/88703
10300         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10301         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10302         dimensions limits.
10303
10304 2019-01-12  Tom de Vries  <tdevries@suse.de>
10305
10306         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10307         (nvptx_goacc_validate_dims): Add used parameter.
10308         * doc/tm.texi: Regenerate.
10309         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10310         argument to call to targetm.goacc.validate_dims.
10311         (default_goacc_validate_dims): Add used
10312         parameter.
10313         * target.def (validate_dims): Add used parameter in DEFHOOK.
10314         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10315
10316 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10317
10318         PR middle-end/85956
10319         PR lto/88733
10320         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10321         field.
10322         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10323         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10324         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10325         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10326
10327 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10328
10329         PR rtl-optimization/87305
10330         * lra-assigns.c
10331         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10332         for little endian pseudos used as paradoxical subreg.
10333
10334 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10335
10336         PR tree-optimization/88693
10337         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10338         for STRING_CSTs that don't contain any NUL characters in the first
10339         TREE_STRING_LENGTH bytes.
10340
10341 2019-01-11  Alan Modra  <amodra@gmail.com>
10342
10343         PR 88777
10344         PR 88614
10345         * genattrtab.c (min_fn): Don't translate values.
10346         (min_attr_value): Return INT_MAX when the value can't be calculated.
10347         Return minimum among any values that can be calculated.
10348         (max_attr_value): Adjust.
10349
10350 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10351
10352         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10353
10354 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10355
10356         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10357         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10358         (aarch64_return_call_with_max_clobbers): New function.
10359         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10360         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10361         argument.
10362         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10363         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10364         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10365         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10366         * cselib.c (cselib_process_insn): Add argument to
10367         targetm.hard_regno_call_part_clobbered call.
10368         * ira-conflicts.c (ira_build_conflicts): Ditto.
10369         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10370         * lra-constraints.c (inherit_reload_reg): Ditto.
10371         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10372         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10373         argument.  Call targetm.return_call_with_max_clobbers.
10374         Add argument to targetm.hard_regno_call_part_clobbered call.
10375         (calls_have_same_clobbers_p): New function.
10376         (process_bb_lives): Add call_insn and last_call_insn variables.
10377         Pass call_insn to check_pseudos_live_through_calls.
10378         Modify if stmt to check targetm.return_call_with_max_clobbers.
10379         Update setting of flush variable.
10380         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10381         to false.
10382         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10383         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10384         targetm.hard_regno_call_part_clobbered call.
10385         * reginfo.c (choose_hard_reg_mode): Ditto.
10386         * regrename.c (check_new_reg_p): Ditto.
10387         * reload.c (find_equiv_reg): Ditto.
10388         * reload1.c (emit_reload_insns): Ditto.
10389         * sched-deps.c (deps_analyze_insn): Ditto.
10390         * sel-sched.c (init_regs_for_mode): Ditto.
10391         (mark_unavailable_hard_regs): Ditto.
10392         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10393         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10394         (return_call_with_max_clobbers): New target function.
10395         * doc/tm.texi: Regenerate.
10396         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10397         * hooks.c (hook_bool_uint_mode_false): Change to
10398         hook_bool_insn_uint_mode_false.
10399         * hooks.h (hook_bool_uint_mode_false): Ditto.
10400
10401 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10402
10403         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10404         (aarch64_remove_extra_call_preserved_regs): New function.
10405         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10406         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10407         * doc/tm.texi: Regenerate.
10408         * final.c (get_call_reg_set_usage): Call new hook.
10409         * target.def (remove_extra_call_preserved_regs): New hook.
10410         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10411         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10412
10413 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10414
10415         PR bootstrap/88714
10416         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10417         inside of pass_combine_1 dump rather than pass_profile_1.
10418
10419 2019-01-11  Tom de Vries  <tdevries@suse.de>
10420
10421         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10422         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10423         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10424         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10425         num_workers 16.
10426
10427 2019-01-11  Tom de Vries  <tdevries@suse.de>
10428
10429         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10430
10431 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10432
10433         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10434         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10435         sse2_cvtsi2sd): Add {l}.
10436         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10437         syntax.
10438
10439 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10440
10441         PR target/88785
10442         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10443         define_expand.
10444         (*float<floatunssuffix>v2div2sf2): New define_insn.
10445         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10446         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10447         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10448         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10449         match_operands with "const0_operand" "C".
10450
10451 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10452
10453         * config/aarch64/aarch64-builtins.c
10454         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10455         (aarch64_init_simd_builtins): ...Here
10456
10457 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10458
10459         PR rtl-optimization/87305
10460         * lra-assigns.c
10461         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10462         allocation for big endian pseudos used as paradoxical subregs and
10463         spill them if it is wrong.
10464         * lra-constraints.c (lra_constraints): Add a comment.
10465
10466 2019-01-10  Richard Biener  <rguenther@suse.de>
10467
10468         PR tree-optimization/88792
10469         * tree-ssa-pre.c (get_representative_for): Do not return a
10470         value-number here.
10471
10472 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10473
10474         PR middle-end/84877
10475         PR bootstrap/88450
10476         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10477         (assign_parm_setup_block): Do the argument slot realignment here
10478         instead.
10479
10480 2019-01-10  Stefan Agner  <stefan@agner.ch>
10481
10482         PR target/88648
10483         * config/arm/arm.c (arm_option_override_internal): Force
10484         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10485
10486 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10487
10488         PR c/88568
10489         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10490         DECL_EXTERNAL.
10491
10492 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10493
10494         * config/arm/arm-builtins.c
10495         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10496         (MAC_LANE_PAIR_QUALIFIERS): New.
10497         (arm_expand_builtin_args): Use it.
10498         (arm_expand_builtin_1): Likewise.
10499         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10500         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10501         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10502         * config/arm/arm_neon.h:
10503         (vcadd_rot90_f16): New.
10504         (vcaddq_rot90_f16): New.
10505         (vcadd_rot270_f16): New.
10506         (vcaddq_rot270_f16): New.
10507         (vcmla_f16): New.
10508         (vcmlaq_f16): New.
10509         (vcmla_lane_f16): New.
10510         (vcmla_laneq_f16): New.
10511         (vcmlaq_lane_f16): New.
10512         (vcmlaq_laneq_f16): New.
10513         (vcmla_rot90_f16): New.
10514         (vcmlaq_rot90_f16): New.
10515         (vcmla_rot90_lane_f16): New.
10516         (vcmla_rot90_laneq_f16): New.
10517         (vcmlaq_rot90_lane_f16): New.
10518         (vcmlaq_rot90_laneq_f16): New.
10519         (vcmla_rot180_f16): New.
10520         (vcmlaq_rot180_f16): New.
10521         (vcmla_rot180_lane_f16): New.
10522         (vcmla_rot180_laneq_f16): New.
10523         (vcmlaq_rot180_lane_f16): New.
10524         (vcmlaq_rot180_laneq_f16): New.
10525         (vcmla_rot270_f16): New.
10526         (vcmlaq_rot270_f16): New.
10527         (vcmla_rot270_lane_f16): New.
10528         (vcmla_rot270_laneq_f16): New.
10529         (vcmlaq_rot270_lane_f16): New.
10530         (vcmlaq_rot270_laneq_f16): New.
10531         (vcadd_rot90_f32): New.
10532         (vcaddq_rot90_f32): New.
10533         (vcadd_rot270_f32): New.
10534         (vcaddq_rot270_f32): New.
10535         (vcmla_f32): New.
10536         (vcmlaq_f32): New.
10537         (vcmla_lane_f32): New.
10538         (vcmla_laneq_f32): New.
10539         (vcmlaq_lane_f32): New.
10540         (vcmlaq_laneq_f32): New.
10541         (vcmla_rot90_f32): New.
10542         (vcmlaq_rot90_f32): New.
10543         (vcmla_rot90_lane_f32): New.
10544         (vcmla_rot90_laneq_f32): New.
10545         (vcmlaq_rot90_lane_f32): New.
10546         (vcmlaq_rot90_laneq_f32): New.
10547         (vcmla_rot180_f32): New.
10548         (vcmlaq_rot180_f32): New.
10549         (vcmla_rot180_lane_f32): New.
10550         (vcmla_rot180_laneq_f32): New.
10551         (vcmlaq_rot180_lane_f32): New.
10552         (vcmlaq_rot180_laneq_f32): New.
10553         (vcmla_rot270_f32): New.
10554         (vcmlaq_rot270_f32): New.
10555         (vcmla_rot270_lane_f32): New.
10556         (vcmla_rot270_laneq_f32): New.
10557         (vcmlaq_rot270_lane_f32): New.
10558         (vcmlaq_rot270_laneq_f32): New.
10559         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10560         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10561         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10562         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10563         vcmlaq_lane270): New.
10564         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10565         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10566         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10567         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10568         (arm_option_reconfigure_globals): Use them.
10569         * config/arm/iterators.md (VDF, VQ_HSF): New.
10570         (VCADD, VCMLA): New.
10571         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10572         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10573         New.
10574         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10575         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10576
10577 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10578
10579         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10580         Add qualifier_lane_pair_index.
10581         (emit-rtl.h): Include.
10582         (TYPES_QUADOP_LANE_PAIR): New.
10583         (aarch64_simd_expand_args): Use it.
10584         (aarch64_simd_expand_builtin): Likewise.
10585         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10586         New.
10587         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10588         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10589         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10590         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10591         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10592         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10593         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10594         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10595         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10596         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10597         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10598         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10599         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10600         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10601         Add __ARM_FEATURE_COMPLEX.
10602         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10603         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10604         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10605         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10606         fcmlaq_lane270): New.
10607         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10608         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10609         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10610         * config/aarch64/arm_neon.h:
10611         (vcadd_rot90_f16): New.
10612         (vcaddq_rot90_f16): New.
10613         (vcadd_rot270_f16): New.
10614         (vcaddq_rot270_f16): New.
10615         (vcmla_f16): New.
10616         (vcmlaq_f16): New.
10617         (vcmla_lane_f16): New.
10618         (vcmla_laneq_f16): New.
10619         (vcmlaq_lane_f16): New.
10620         (vcmlaq_rot90_lane_f16): New.
10621         (vcmla_rot90_laneq_f16): New.
10622         (vcmla_rot90_lane_f16): New.
10623         (vcmlaq_rot90_f16): New.
10624         (vcmla_rot90_f16): New.
10625         (vcmlaq_laneq_f16): New.
10626         (vcmla_rot180_laneq_f16): New.
10627         (vcmla_rot180_lane_f16): New.
10628         (vcmlaq_rot180_f16): New.
10629         (vcmla_rot180_f16): New.
10630         (vcmlaq_rot90_laneq_f16): New.
10631         (vcmlaq_rot270_laneq_f16): New.
10632         (vcmlaq_rot270_lane_f16): New.
10633         (vcmla_rot270_laneq_f16): New.
10634         (vcmlaq_rot270_f16): New.
10635         (vcmla_rot270_f16): New.
10636         (vcmlaq_rot180_laneq_f16): New.
10637         (vcmlaq_rot180_lane_f16): New.
10638         (vcmla_rot270_lane_f16): New.
10639         (vcadd_rot90_f32): New.
10640         (vcaddq_rot90_f32): New.
10641         (vcaddq_rot90_f64): New.
10642         (vcadd_rot270_f32): New.
10643         (vcaddq_rot270_f32): New.
10644         (vcaddq_rot270_f64): New.
10645         (vcmla_f32): New.
10646         (vcmlaq_f32): New.
10647         (vcmlaq_f64): New.
10648         (vcmla_lane_f32): New.
10649         (vcmla_laneq_f32): New.
10650         (vcmlaq_lane_f32): New.
10651         (vcmlaq_laneq_f32): New.
10652         (vcmla_rot90_f32): New.
10653         (vcmlaq_rot90_f32): New.
10654         (vcmlaq_rot90_f64): New.
10655         (vcmla_rot90_lane_f32): New.
10656         (vcmla_rot90_laneq_f32): New.
10657         (vcmlaq_rot90_lane_f32): New.
10658         (vcmlaq_rot90_laneq_f32): New.
10659         (vcmla_rot180_f32): New.
10660         (vcmlaq_rot180_f32): New.
10661         (vcmlaq_rot180_f64): New.
10662         (vcmla_rot180_lane_f32): New.
10663         (vcmla_rot180_laneq_f32): New.
10664         (vcmlaq_rot180_lane_f32): New.
10665         (vcmlaq_rot180_laneq_f32): New.
10666         (vcmla_rot270_f32): New.
10667         (vcmlaq_rot270_f32): New.
10668         (vcmlaq_rot270_f64): New.
10669         (vcmla_rot270_lane_f32): New.
10670         (vcmla_rot270_laneq_f32): New.
10671         (vcmlaq_rot270_lane_f32): New.
10672         (vcmlaq_rot270_laneq_f32): New.
10673         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10674         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10675         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10676         (FCADD, FCMLA): New.
10677         (rot): New.
10678         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10679
10680 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10681
10682         PR other/16615
10683
10684         * config/pa/pa.c: Change "can not" to "cannot".
10685         * gimple-ssa-evrp-analyze.c: Likewise.
10686         * ipa-icf.c: Likewise.
10687         * ipa-polymorphic-call.c: Likewise.
10688         * ipa-pure-const.c: Likewise.
10689         * lra-constraints.c: Likewise.
10690         * lra-remat.c: Likewise.
10691         * reload1.c: Likewise.
10692         * reorg.c: Likewise.
10693         * tree-ssa-uninit.c: Likewise.
10694
10695 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10696
10697         PR other/16615
10698
10699         * Makefile.in: Mechanically replace "can not" with "cannot".
10700         * alias.c: Likewise.
10701         * builtins.c: Likewise.
10702         * calls.c: Likewise.
10703         * cgraph.c: Likewise.
10704         * cgraph.h: Likewise.
10705         * cgraphclones.c: Likewise.
10706         * cgraphunit.c: Likewise.
10707         * combine-stack-adj.c: Likewise.
10708         * combine.c: Likewise.
10709         * common/config/i386/i386-common.c: Likewise.
10710         * config/aarch64/aarch64.c: Likewise.
10711         * config/alpha/sync.md: Likewise.
10712         * config/arc/arc.c: Likewise.
10713         * config/arc/predicates.md: Likewise.
10714         * config/arm/arm-c.c: Likewise.
10715         * config/arm/arm.c: Likewise.
10716         * config/arm/arm.h: Likewise.
10717         * config/arm/arm.md: Likewise.
10718         * config/arm/cortex-r4f.md: Likewise.
10719         * config/csky/csky.c: Likewise.
10720         * config/csky/csky.h: Likewise.
10721         * config/darwin-f.c: Likewise.
10722         * config/epiphany/epiphany.md: Likewise.
10723         * config/i386/i386.c: Likewise.
10724         * config/i386/sol2.h: Likewise.
10725         * config/m68k/m68k.c: Likewise.
10726         * config/mcore/mcore.h: Likewise.
10727         * config/microblaze/microblaze.md: Likewise.
10728         * config/mips/20kc.md: Likewise.
10729         * config/mips/sb1.md: Likewise.
10730         * config/nds32/nds32.c: Likewise.
10731         * config/nds32/predicates.md: Likewise.
10732         * config/pa/pa.c: Likewise.
10733         * config/rs6000/e300c2c3.md: Likewise.
10734         * config/rs6000/rs6000.c: Likewise.
10735         * config/s390/s390.h: Likewise.
10736         * config/sh/sh.c: Likewise.
10737         * config/sh/sh.md: Likewise.
10738         * config/spu/vmx2spu.h: Likewise.
10739         * cprop.c: Likewise.
10740         * dbxout.c: Likewise.
10741         * df-scan.c: Likewise.
10742         * doc/cfg.texi: Likewise.
10743         * doc/extend.texi: Likewise.
10744         * doc/fragments.texi: Likewise.
10745         * doc/gty.texi: Likewise.
10746         * doc/invoke.texi: Likewise.
10747         * doc/lto.texi: Likewise.
10748         * doc/md.texi: Likewise.
10749         * doc/objc.texi: Likewise.
10750         * doc/rtl.texi: Likewise.
10751         * doc/tm.texi: Likewise.
10752         * dse.c: Likewise.
10753         * emit-rtl.c: Likewise.
10754         * emit-rtl.h: Likewise.
10755         * except.c: Likewise.
10756         * expmed.c: Likewise.
10757         * expr.c: Likewise.
10758         * fold-const.c: Likewise.
10759         * genautomata.c: Likewise.
10760         * gimple-fold.c: Likewise.
10761         * hard-reg-set.h: Likewise.
10762         * ifcvt.c: Likewise.
10763         * ipa-comdats.c: Likewise.
10764         * ipa-cp.c: Likewise.
10765         * ipa-devirt.c: Likewise.
10766         * ipa-fnsummary.c: Likewise.
10767         * ipa-icf.c: Likewise.
10768         * ipa-inline-transform.c: Likewise.
10769         * ipa-inline.c: Likewise.
10770         * ipa-polymorphic-call.c: Likewise.
10771         * ipa-profile.c: Likewise.
10772         * ipa-prop.c: Likewise.
10773         * ipa-pure-const.c: Likewise.
10774         * ipa-reference.c: Likewise.
10775         * ipa-split.c: Likewise.
10776         * ipa-visibility.c: Likewise.
10777         * ipa.c: Likewise.
10778         * ira-build.c: Likewise.
10779         * ira-color.c: Likewise.
10780         * ira-conflicts.c: Likewise.
10781         * ira-costs.c: Likewise.
10782         * ira-int.h: Likewise.
10783         * ira-lives.c: Likewise.
10784         * ira.c: Likewise.
10785         * ira.h: Likewise.
10786         * loop-invariant.c: Likewise.
10787         * loop-unroll.c: Likewise.
10788         * lower-subreg.c: Likewise.
10789         * lra-assigns.c: Likewise.
10790         * lra-constraints.c: Likewise.
10791         * lra-eliminations.c: Likewise.
10792         * lra-lives.c: Likewise.
10793         * lra-remat.c: Likewise.
10794         * lra-spills.c: Likewise.
10795         * lra.c: Likewise.
10796         * lto-cgraph.c: Likewise.
10797         * lto-streamer-out.c: Likewise.
10798         * postreload-gcse.c: Likewise.
10799         * predict.c: Likewise.
10800         * profile-count.h: Likewise.
10801         * profile.c: Likewise.
10802         * recog.c: Likewise.
10803         * ree.c: Likewise.
10804         * reload.c: Likewise.
10805         * reload1.c: Likewise.
10806         * reorg.c: Likewise.
10807         * resource.c: Likewise.
10808         * rtl.def: Likewise.
10809         * rtl.h: Likewise.
10810         * rtlanal.c: Likewise.
10811         * sched-deps.c: Likewise.
10812         * sched-ebb.c: Likewise.
10813         * sched-rgn.c: Likewise.
10814         * sel-sched-ir.c: Likewise.
10815         * sel-sched.c: Likewise.
10816         * shrink-wrap.c: Likewise.
10817         * simplify-rtx.c: Likewise.
10818         * symtab.c: Likewise.
10819         * target.def: Likewise.
10820         * toplev.c: Likewise.
10821         * tree-call-cdce.c: Likewise.
10822         * tree-cfg.c: Likewise.
10823         * tree-complex.c: Likewise.
10824         * tree-core.h: Likewise.
10825         * tree-eh.c: Likewise.
10826         * tree-inline.c: Likewise.
10827         * tree-loop-distribution.c: Likewise.
10828         * tree-nrv.c: Likewise.
10829         * tree-profile.c: Likewise.
10830         * tree-sra.c: Likewise.
10831         * tree-ssa-alias.c: Likewise.
10832         * tree-ssa-dce.c: Likewise.
10833         * tree-ssa-dom.c: Likewise.
10834         * tree-ssa-forwprop.c: Likewise.
10835         * tree-ssa-loop-im.c: Likewise.
10836         * tree-ssa-loop-ivcanon.c: Likewise.
10837         * tree-ssa-loop-ivopts.c: Likewise.
10838         * tree-ssa-loop-niter.c: Likewise.
10839         * tree-ssa-phionlycprop.c: Likewise.
10840         * tree-ssa-phiopt.c: Likewise.
10841         * tree-ssa-propagate.c: Likewise.
10842         * tree-ssa-threadedge.c: Likewise.
10843         * tree-ssa-threadupdate.c: Likewise.
10844         * tree-ssa-uninit.c: Likewise.
10845         * tree-ssanames.c: Likewise.
10846         * tree-streamer-out.c: Likewise.
10847         * tree.c: Likewise.
10848         * tree.h: Likewise.
10849         * vr-values.c: Likewise.
10850
10851 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10852
10853         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10854         (ix86_split_xorsign): Ditto.
10855         * config/i386/i386.c (ix86_expand_xorsign): New function.
10856         (ix86_split_xorsign): Ditto.
10857         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10858         (xorsign<mode>3): New expander.
10859         (xorsign<mode>3_1): New insn_and_split pattern.
10860         * config/i386/sse.md (xorsign<mode>3): New expander.
10861
10862 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10863
10864         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10865         (*tablejump_sp64): Likewise.
10866         (*tablejump<P:mode>): ...this.
10867         (*call_address_sp32): Merge into...
10868         (*call_address_sp64): Likewise.
10869         (*call_address<P:mode>): ...this.
10870         (*call_symbolic_sp32): Merge into...
10871         (*call_symbolic_sp64): Likewise.
10872         (*call_symbolic<P:mode>): ...this.
10873         (call_value): Remove constraint and add predicate.
10874         (*call_value_address_sp32): Merge into...
10875         (*call_value_address_sp64): Likewise.
10876         (*call_value_address<P:mode>): ...this.
10877         (*call_value_symbolic_sp32): Merge into...
10878         (*call_value_symbolic_sp64): Likewise.
10879         (*call_value_symbolic<P:mode>): ...this.
10880         (*sibcall_symbolic_sp32): Merge into...
10881         (*sibcall_symbolic_sp64): Likewise.
10882         (*sibcall_symbolic<P:mode>): ...this.
10883         (sibcall_value): Remove constraint and add predicate.
10884         (*sibcall_value_symbolic_sp32): Merge into...
10885         (*sibcall_value_symbolic_sp64): Likewise.
10886         (*sibcall_value_symbolic<P:mode>): ...this.
10887         (window_save): Minor tweak.
10888         (*branch_sp32): Merge into...
10889         (*branch_sp64): Likewise.
10890         (*branch<P:mode>): ...this.
10891
10892 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10893             James Clarke  <jrtc27@jrtc27.com>
10894
10895         PR target/84010
10896         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10897         consistently in TLS address generation and adjust code to the renaming
10898         of patterns.  Mark calls to __tls_get_addr as const.
10899         * config/sparc/sparc.md (tgd_hi22): Turn into...
10900         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10901         (tgd_lo10): Turn into...
10902         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10903         (tgd_add32): Merge into...
10904         (tgd_add64): Likewise.
10905         (tgd_add<P:mode>): ...this and use Pmode throughout.
10906         (tldm_hi22): Turn into...
10907         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10908         (tldm_lo10): Turn into...
10909         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10910         (tldm_add32): Merge into...
10911         (tldm_add64): Likewise.
10912         (tldm_add<P:mode>): ...this and use Pmode throughout.
10913         (tldm_call32): Merge into...
10914         (tldm_call64): Likewise.
10915         (tldm_call<P:mode>): ...this and use Pmode throughout.
10916         (tldo_hix22): Turn into...
10917         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10918         (tldo_lox10): Turn into...
10919         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10920         (tldo_add32): Merge into...
10921         (tldo_add64): Likewise.
10922         (tldo_add<P:mode>): ...this and use Pmode throughout.
10923         (tie_hi22): Turn into...
10924         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10925         (tie_lo10): Turn into...
10926         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10927         (tie_ld64): Use DImode throughout.
10928         (tie_add32): Merge into...
10929         (tie_add64): Likewise.
10930         (tie_add<P:mode>): ...this and use Pmode throughout.
10931         (tle_hix22_sp32): Merge into...
10932         (tle_hix22_sp64): Likewise.
10933         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10934         (tle_lox22_sp32): Merge into...
10935         (tle_lox22_sp64): Likewise.
10936         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10937         (*tldo_ldub_sp32): Merge into...
10938         (*tldo_ldub_sp64): Likewise.
10939         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10940         (*tldo_ldub1_sp32): Merge into...
10941         (*tldo_ldub1_sp64): Likewise.
10942         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10943         (*tldo_ldub2_sp32): Merge into...
10944         (*tldo_ldub2_sp64): Likewise.
10945         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10946         (*tldo_ldsb1_sp32): Merge into...
10947         (*tldo_ldsb1_sp64): Likewise.
10948         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10949         (*tldo_ldsb2_sp32): Merge into...
10950         (*tldo_ldsb2_sp64): Likewise.
10951         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10952         (*tldo_ldub3_sp64): Use DImode throughout.
10953         (*tldo_ldsb3_sp64): Likewise.
10954         (*tldo_lduh_sp32): Merge into...
10955         (*tldo_lduh_sp64): Likewise.
10956         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10957         (*tldo_lduh1_sp32): Merge into...
10958         (*tldo_lduh1_sp64): Likewise.
10959         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10960         (*tldo_ldsh1_sp32): Merge into...
10961         (*tldo_ldsh1_sp64): Likewise.
10962         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10963         (*tldo_lduh2_sp64): Use DImode throughout.
10964         (*tldo_ldsh2_sp64): Likewise.
10965         (*tldo_lduw_sp32): Merge into...
10966         (*tldo_lduw_sp64): Likewise.
10967         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10968         (*tldo_lduw1_sp64): Use DImode throughout.
10969         (*tldo_ldsw1_sp64): Likewise.
10970         (*tldo_ldx_sp64): Likewise.
10971         (*tldo_stb_sp32): Merge into...
10972         (*tldo_stb_sp64): Likewise.
10973         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10974         (*tldo_sth_sp32): Merge into...
10975         (*tldo_sth_sp64): Likewise.
10976         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10977         (*tldo_stw_sp32): Merge into...
10978         (*tldo_stw_sp64): Likewise.
10979         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10980         (*tldo_stx_sp64): Use DImode throughout.
10981
10982 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10983
10984         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10985         check configure option to set BTI and Return Address Signing.
10986         * configure.ac: Add --enable-standard-branch-protection and
10987         --disable-standard-branch-protection.
10988         * configure: Regenerated.
10989         * doc/install.texi: Document the same.
10990
10991 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10992             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10993
10994         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
10995         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
10996         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
10997         if bti is enabled.
10998         * config/aarch64/aarch64-bti-insert.c: New file.
10999         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
11000         pass.
11001         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
11002         new bti pass.
11003         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
11004         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
11005         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
11006         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
11007
11008 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11009
11010         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
11011         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
11012         Disable bti for -mbranch-protection=none.
11013         (aarch64_handle_standard_branch_protection): Enable bti for
11014         -mbranch-protection=standard.
11015         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
11016         -mbranch-protection.
11017         (aarch64_bti_enabled): Check if bti is enabled.
11018         * config/aarch64/aarch64.opt: Declare target variable.
11019         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
11020
11021 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11022
11023         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
11024         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
11025         (aarch64_expand_epilogue): Likewise.
11026         (aarch64_output_mi_thunk): Likewise
11027         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
11028         TAILCALL_ADDR_REGS to x16 and x17.
11029         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
11030
11031 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11032
11033         * config/aarch64/aarch64-option-extensions.def: Define
11034         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
11035         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
11036         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
11037         (AARCH64_FL_PREDRES): New.
11038         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
11039         AARCH64_FL_PREDRES by default.
11040         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
11041
11042 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11043
11044         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
11045         ARMv8.5-A.
11046         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
11047         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
11048         * doc/invoke.texi: Document ARMv8.5-A.
11049
11050 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
11051
11052         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
11053         (xorsign<mode>3): Likewise.
11054
11055 2019-01-09  Jelinek  <jakub@redhat.com>
11056
11057         PR middle-end/88758
11058         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
11059         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
11060
11061         PR rtl-optimization/88331
11062         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
11063         not currently_expanding_to_rtl.
11064
11065 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11066
11067         * doc/invoke.texi (-Os): Remove trailing spaces.
11068         (-finline-functions): Remove reference to -O2.
11069
11070 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
11071
11072         PR rtl-optimization/79593
11073         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
11074
11075         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
11076         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
11077
11078 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
11079
11080         PR bootstrap/88721
11081         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
11082         to -1 on entry.
11083
11084         PR debug/88723
11085         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
11086         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
11087
11088 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11089
11090         PR target/88717
11091         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
11092         ix86_avx_u128_mode_entry.
11093
11094 2019-01-08  Martin Liska  <mliska@suse.cz>
11095
11096         PR tree-optimization/88753
11097         * tree-switch-conversion.c (switch_conversion::build_one_array):
11098         Come up with local variable constructor.  Convert first to
11099         type of constructor values.
11100
11101 2019-01-08  Richard Biener  <rguenther@suse.de>
11102
11103         PR tree-optimization/86554
11104         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
11105         rpo_avail): Move earlier.
11106         (visit_nary_op): When value-numbering to expressions
11107         with different overflow behavior make sure there's an
11108         available expression on the path.
11109
11110 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
11111
11112         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
11113         aarch64_parse_branch_protection,
11114         struct aarch64_branch_protect_type,
11115         aarch64_handle_no_branch_protection,
11116         aarch64_handle_standard_branch_protection,
11117         aarch64_validate_mbranch_protection,
11118         aarch64_handle_pac_ret_protection,
11119         aarch64_handle_attr_branch_protection,
11120         accepted_branch_protection_string,
11121         aarch64_pac_ret_subtypes,
11122         aarch64_branch_protect_types,
11123         aarch64_handle_pac_ret_leaf): Define.
11124         (aarch64_override_options_after_change_1, aarch64_override_options):
11125         Add check for accepted_branch_protection_string.
11126         (aarch64_option_save): Save accepted_branch_protection_string.
11127         (aarch64_option_restore): Save accepted_branch_protection_string.
11128         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
11129         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
11130         msign-return-address.
11131         * doc/invoke.texi: Add mbranch-protection.
11132
11133 2019-01-08  Alan Modra  <amodra@gmail.com>
11134
11135         PR target/88614
11136         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
11137         Delete "unknownp" parameter.  Adjust callers.  Handle
11138         CONST_INT, PLUS, MINUS, and MULT.
11139         (attr_value_aligned): Renamed from or_attr_value.
11140         (min_attr_value): Return INT_MIN for unhandled rtl case..
11141         (min_fn): ..and translate to INT_MAX here.
11142         (write_length_unit_log): Modify to cope without "unknown".
11143         (write_attr_value): Handle IF_THEN_ELSE.
11144
11145 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11146
11147         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
11148         optimization for masked stores.
11149
11150 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11151
11152         PR middle-end/88567
11153         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
11154         output vector directly to duplicate_and_interleave instead of
11155         going through a temporary.  Postpone insertion of ctor_seq to
11156         the end of the loop.
11157
11158 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
11159
11160         PR target/86891
11161         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
11162         unsigned_p.  Handle signed and unsigned overflow correction as
11163         required.
11164         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
11165         prototype.
11166         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
11167         for operand 2.
11168         (add<mode>3_compareV_imm): Make this callable for expanding.
11169         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
11170         aarch64_plus_operand for operand 2.
11171         (subv<GPI:mode>_insn): New insn pattern.
11172         (subv<GPI:mode>_imm): Likewise.
11173         (negv<GPI:mode>3): New expand pattern.
11174         (negv<GPI:mode>_insn): New insn pattern.
11175         (negv<GPI:mode>_cmp_only): Likewise.
11176         (cmpv<GPI:mode>_insn): Likewise.
11177         (subvti4): Use register_operand for operand 1.  Update call to
11178         aarch64_expand_subvti.
11179         (usubvti4): Likewise.
11180         (negvti3): New expand pattern.
11181         (negdi_carryout): New insn pattern.
11182         (negvdi_carryinV): New insn pattern.
11183         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
11184         version the named version.
11185         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
11186         operands.
11187         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
11188         patterns.
11189         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
11190         patterns.
11191         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
11192         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11193         (sub<mode>3_carryinCV): Delete.
11194         (sub<GPI:mode>3_carryinV): New expand pattern.
11195         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11196
11197 2019-01-07  Richard Biener  <rguenther@suse.de>
11198
11199         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11200         of tree_operand_hash.
11201
11202 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11203
11204         PR tree-optimization/88598
11205         * tree.h (single_nonzero_element): Declare.
11206         * tree.c (single_nonzero_element): New function.
11207         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11208         if I is the only nonzero element of CST.
11209
11210 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11211
11212         PR tree-optimization/88598
11213         * tree.h (initializer_each_zero_or_onep): Declare.
11214         * tree.c (initializer_each_zero_or_onep): New function.
11215         (signed_or_unsigned_type_for): Handle float types too.
11216         (unsigned_type_for, signed_type_for): Update comments accordingly.
11217         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11218         x & { 0 or -1, 0 or -1, ... }.
11219
11220 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11221
11222         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11223         with x86_64-pc-linux-gnu.
11224
11225 2019-01-07  Tom de Vries  <tdevries@suse.de>
11226
11227         PR target/85486
11228         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11229         function.
11230         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11231         routines.
11232
11233 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11234
11235         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11236         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11237         TARGET_AVX512F as condition.
11238
11239         PR debug/88723
11240         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11241         const_not_ok_for_debug_p target hook.
11242         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11243         on UNSPEC and subexpressions thereof if all subexpressions of the
11244         UNSPEC are CONSTANT_P.
11245
11246         PR tree-optimization/88676
11247         * tree-ssa-phiopt.c (two_value_replacement): New function.
11248         (tree_ssa_phiopt_worker): Call it.
11249
11250         PR sanitizer/88619
11251         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11252         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11253
11254         PR c++/85052
11255         * tree-vect-generic.c: Include insn-config.h and recog.h.
11256         (expand_vector_piecewise): Add defaulted ret_type argument,
11257         if non-NULL, use that in preference to type for the result type.
11258         (expand_vector_parallel): Formatting fix.
11259         (do_vec_conversion, do_vec_narrowing_conversion,
11260         expand_vector_conversion): New functions.
11261         (expand_vector_operations_1): Call expand_vector_conversion
11262         for VEC_CONVERT ifn calls.
11263         * internal-fn.def (VEC_CONVERT): New internal function.
11264         * internal-fn.c (expand_VEC_CONVERT): New function.
11265         * fold-const-call.c (fold_const_vec_convert): New function.
11266         (fold_const_call): Use it for CFN_VEC_CONVERT.
11267         * doc/extend.texi (__builtin_convertvector): Document.
11268
11269 2019-01-07  Tom de Vries  <tdevries@suse.de>
11270
11271         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11272         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11273         vector_red_partition, vector_red_sym): New global variables.
11274         (nvptx_option_override): Initialize vector_red_sym.
11275         (nvptx_declare_function_name): Restore red_partition register.
11276         (nvptx_file_end): Emit code to declare the vector reduction variables.
11277         (nvptx_output_red_partition): New function.
11278         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11279         large vector reductions.
11280         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11281         (nvptx_init_builtins): Add VECTOR_ADDR.
11282         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11283         Handle nvptx_expand_shared_addr.
11284         (nvptx_get_shared_red_addr): Add vector argument and handle large
11285         vectors.
11286         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11287         large vectors.
11288         (nvptx_goacc_reduction_init): Likewise.
11289         (nvptx_goacc_reduction_fini): Likewise.
11290         (nvptx_goacc_reduction_teardown): Likewise.
11291         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11292         init,fini,teardown}.
11293         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11294         (nvptx_set_current_function): Init vector_red_partition.
11295         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11296         (nvptx_red_partition): New insn.
11297         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11298
11299 2019-01-07  Tom de Vries  <tdevries@suse.de>
11300
11301         PR target/85381
11302         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11303         empty loops.
11304
11305 2019-01-07  Tom de Vries  <tdevries@suse.de>
11306
11307         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11308         (nvptx_option_override): Init oacc_bcast_partition.
11309         (nvptx_init_oacc_workers): New function.
11310         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11311         (nvptx_needs_shared_bcast): New function.
11312         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11313         to propagate state.
11314         (nvptx_shared_propagate): Initialize vector bcast partition and
11315         synchronization state.
11316         (nvptx_single):  Generalize to enable vectors to use shared-memory
11317         to propagate state.
11318         (nvptx_process_pars): Likewise.
11319         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11320         * config/nvptx/nvptx.h (struct machine_function): Add
11321         bcast_partition and sync_bar members.
11322
11323 2019-01-07  Tom de Vries  <tdevries@suse.de>
11324
11325         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11326         (nvptx_apply_dim_limits): New function.
11327         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11328         PTX_WARP_SIZE.
11329
11330 2019-01-07  Tom de Vries  <tdevries@suse.de>
11331
11332         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11333         as late as possible.
11334
11335 2019-01-07  Tom de Vries  <tdevries@suse.de>
11336
11337         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11338         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11339         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11340         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11341         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11342
11343 2019-01-07  Tom de Vries  <tdevries@suse.de>
11344
11345         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11346
11347 2019-01-07  Tom de Vries  <tdevries@suse.de>
11348
11349         * omp-offload.c (oacc_get_min_dim): New function.
11350         * omp-offload.h (oacc_get_min_dim): Declare.
11351
11352 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11353
11354         PR target/88521
11355         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11356         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11357
11358 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11359
11360         PR tree-opt/86020
11361         Revert:
11362         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11363
11364         * ipa-inline.c (edge_badness): Use inlined_time instead of
11365         inline_summaries->get.
11366
11367 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11368
11369         * opts.c (enable_fdo_optimizations): Enable
11370         version-loops-for-strides, loop-interchange, unrol-and-jam
11371         and tree-loop-distribution.
11372         * invoke.texi: Document newly enabled options.
11373
11374 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11375
11376         * doc/invoke.texi (max-inline-insns-small): New parameters.
11377         * ipa-inline.c (want_early_inline_function_p): simplify.
11378         (want_inline_small_function_p): Fix pasto from previous patch;
11379         use max-inline-insns-small bound.
11380         * params.def (max-inline-insns-small): New param.
11381         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11382         variables correctly.
11383
11384 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11385
11386         * doc/invoke.texi: Document max-inline-insns-size,
11387         uninlined-function-insns, uninlined-function-time,
11388         uninlined-thunk-insns and uninlined-thunk-time.
11389         * params.def: Add max-inline-insns-size,
11390         uninlined-function-insns, uninlined-function-time,
11391         uninlined-thunk-insns and uninlined-thunk-time.
11392         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11393         new parameters.
11394         * ipa-inline.c (can_inline_edge_by_limits_p,
11395         want_inline_small_function_p): Use new parameters.
11396
11397 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11398
11399         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11400
11401 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11402
11403         PR middle-end/82564
11404         PR target/88620
11405         * expr.c (expand_assignment): For calls returning VLA structures
11406         if to_rtx is not a MEM, force it into a stack temporary.
11407
11408         PR debug/88635
11409         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11410         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11411         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11412         subexpressions of both operands.
11413         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11414         subrtxes are CONSTANT_P.
11415         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11416         2018-11-09 changes.
11417
11418 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11419
11420         * params.def (hot-bb-count-ws-permille): Set to 990.
11421
11422 2019-01-04  Martin Sebor  <msebor@redhat.com>
11423
11424         PR c/88546
11425         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11426         leaf.
11427
11428 2019-01-04  Martin Sebor  <msebor@redhat.com>
11429
11430         PR c/88363
11431         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11432
11433 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11434
11435         * gdbinit.in: Turn off pagination for the skip commands, restore
11436         it to previous state afterwards.
11437
11438 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11439
11440         PR target/88594
11441         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11442         of GET_MODE (opN) as modes of the libcall arguments.
11443
11444 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11445
11446         * config/i386/sse.md
11447         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11448         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11449         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11450         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11451         avx512f_vmcmp<mode>3<round_saeonly_name>,
11452         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11453         avx512f_maskcmp<mode>3,
11454         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11455         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11456         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11457         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11458         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11459         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11460         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11461         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11462         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11463         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11464         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11465         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11466         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11467         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11468         avx512cd_maskb_vec_dup<mode>,
11469         avx512cd_maskw_vec_dup<mode>,
11470         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11471         avx512dq_vmfpclass<mode>,
11472         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11473         instead of =Yk.
11474
11475 2019-01-03  Martin Sebor  <msebor@redhat.com>
11476
11477         PR tree-optimization/88659
11478         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11479
11480 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11481
11482         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11483         unaligned vsx and avoid lxvd2x/stxvd2x.
11484         (gen_lvx_v4si_move): New function.
11485
11486 2019-01-03  Tom de Vries  <tdevries@suse.de>
11487
11488         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11489         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11490         function.
11491         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11492
11493 2019-01-03  Tom de Vries  <tdevries@suse.de>
11494
11495         * config/nvptx/nvptx.c (struct offload_attrs): New.
11496         (populate_offload_attrs): New function.  Factor mask extraction out of
11497         nvptx_reorg.  Add extraction of dimensions.
11498         (nvptx_reorg): Use populate_offload_attrs.
11499
11500 2019-01-03  Tom de Vries  <tdevries@suse.de>
11501
11502         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11503         cases for oacc_min_dims_p and routine_p.  Add asserts for
11504         oacc_default_dims_p and offload_region_p.
11505
11506 2019-01-03  Tom de Vries  <tdevries@suse.de>
11507
11508         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11509         factored out of ...
11510         (nvptx_goacc_validate_dims): ... here.
11511
11512 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11513
11514         PR tree-optimization/85574
11515         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11516         structure.
11517         (struct ssa_equip_hash_traits): Declare.
11518         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11519
11520 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11521
11522         PR debug/88644
11523         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11524         change it to qualified_type.
11525
11526 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11527
11528         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11529         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11530
11531 2019-01-02  Martin Sebor  <msebor@redhat.com>
11532             Jeff Law  <law@redhat.com>
11533
11534         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11535         (get_range_strlen_tree): Update appropriately.
11536         (get_range_strlen)
11537         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11538
11539         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11540         rather than set_range_info.
11541         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11542         maybe_set_strlen_range.  Handle potentially boundary crossing
11543         cases more conservatively.
11544         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11545         Call set_strlen_range.
11546         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11547
11548         PR middle-end/88663
11549         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11550         need the flexp argument.
11551         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11552         from calls to get_range_strlen.  Update comments.  Just update
11553         VAL for an unterminated const char array and let the reset of the
11554         code handle it normally.  No longer try to set *flexp.  Adjust
11555         return value.
11556         (get_range_strlen): Update for the new get_range_strlen API.
11557         (get_maxval_strlen): Similarly.
11558         (gimple_fold_builtin_strlen): Handle update meaning of return value
11559         from get_range_strlen.
11560         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11561         get_range_strlen API.
11562
11563 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11564
11565         PR lto/88130
11566         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11567         false at WPA time when body was removed.
11568
11569 2019-01-02  Martin Liska  <mliska@suse.cz>
11570
11571         PR tree-optimization/88650
11572         * predict.c (set_even_probabilities): Calculate probability
11573         remainer only when really used.
11574
11575 2019-01-02  Richard Biener  <rguenther@suse.de>
11576
11577         PR middle-end/88651
11578         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11579         widest_ints when mangling max_stmt_execution results.
11580
11581 2019-01-02  Richard Biener  <rguenther@suse.de>
11582
11583         PR tree-optimization/88621
11584         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11585         bitfields when canoncalizing.
11586
11587 2019-01-02  Richard Biener  <rguenther@suse.de>
11588
11589         PR target/87545
11590         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11591         cost of cheap SSE instruction.
11592
11593 2019-01-02  Richard Biener  <rguenther@suse.de>
11594
11595         PR ipa/85574
11596         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11597         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11598         function.
11599         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11600         set after UIDs before splitting them.
11601
11602 2019-01-01  Martin Sebor  <msebor@redhat.com>
11603             Jeff Law  <law@redhat.com>
11604
11605         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11606         length is optimistic.  If it is, then arrange to compute the
11607         conservative length as well.
11608
11609         * gimple-fold.h (get_range_strlen): Update prototype.
11610         * builtins.c (check_access): Update call to get_range_strlen to use
11611         c_strlen_data pointer.   Change various variable accesses to instead
11612         pull data from the c_strlen_data structure.
11613         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11614         * calls.c (maybe_warn_nonstring_arg): Likewise.
11615         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11616         minimum length if maximum lengh is unknown.
11617         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11618         that used c_strlen, it's no longer needed.  Restructure slightly.
11619         (format_string): Set unlikely range appropriately.
11620         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11621         formatting issues.
11622         (get_range_strlen):  Accept c_strlen_data pointer for external
11623         call sites as well.  Pass through to call to internal get_range_strlen.
11624         Adjust minlen, maxlen and maxbound as needed.
11625         (get_maxval_strlen): Update comments.
11626         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11627         to use c_strlen_data pointer.  Change variable accesses to instead
11628         use c_strlen_data data members.
11629
11630         * gimple-fold.c (get_range_strlen): Update prototype.
11631         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11632         local variables.  Use pdata to return information to caller.
11633         Update calls to get_range_strlen.  Update pdata->maxbound.
11634         (get_range_strlen -- static version): Similarly.
11635         (get_range_strlen -- extern version): Update for internal
11636         get_range_strlen API change.  Convert to external data format.
11637         (get_maxval_strlen): Similarly.
11638
11639 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11640
11641         * coverage.c (get_coverage_counts): Use current_function_decl.
11642         * profile.c (read_thunk_profile): New function.
11643         (branch_prob): Add THUNK parameter.
11644         * tree-profile.c (tree_profiling): Handle thunks.
11645         * value-prof.c (init_node_map): Handle thunks.
11646         * value-prof.h (branch_prob): Upate prototype.
11647         (read_thunk_profile): Declare.
11648
11649 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11650
11651         Update copyright years.
11652
11653         * gcc.c (process_command): Update copyright notice dates.
11654         * gcov-dump.c (print_version): Ditto.
11655         * gcov.c (print_version): Ditto.
11656         * gcov-tool.c (print_version): Ditto.
11657         * gengtype.c (create_file): Ditto.
11658         * doc/cpp.texi: Bump @copying's copyright year.
11659         * doc/cppinternals.texi: Ditto.
11660         * doc/gcc.texi: Ditto.
11661         * doc/gccint.texi: Ditto.
11662         * doc/gcov.texi: Ditto.
11663         * doc/install.texi: Ditto.
11664         * doc/invoke.texi: Ditto.
11665 \f
11666 Copyright (C) 2019 Free Software Foundation, Inc.
11667
11668 Copying and distribution of this file, with or without modification,
11669 are permitted in any medium without royalty provided the copyright
11670 notice and this notice are preserved.