gcc/ChangeLog

   1 2019-06-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
   2
   3         * doc/sourcebuild.texi: Document new effective target keyword
   4         longlong64.
   5
   6 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
   7
   8         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p,
   9         indirect_refs_may_alias_p): Revert accidental commits.
  10
  11         * tree-ssa-alias.c (aliasing_component_refs_p): Watch for arrays
  12         at the end of structures.
  13
  14 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
  15
  16         * config/darwin.c (machopic_indirect_call_target): Use renamed
  17         darwin_picsymbol_stubs to decide on output.
  18         (darwin_override_options): Handle darwin_picsymbol_stubs.
  19         * config/darwin.h (MIN_LD64_OMIT_STUBS): New.
  20         (LD64_VERSION): Revise default.
  21         * config/darwin.opt: (mpic-symbol-stubs): New option.
  22         (darwin_picsymbol_stubs): New variable.
  23         * config/i386/darwin.h (TARGET_MACHO_BRANCH_ISLANDS):
  24         rename to TARGET_MACHO_PICSYM_STUBS.
  25         * config/i386/i386.c (output_pic_addr_const): Likewise.
  26         * config/i386/i386.h Likewise.
  27         * config/rs6000/darwin.h: Likewise.
  28         * config/rs6000/rs6000.c (rs6000_call_darwin_1): Use renamed
  29         darwin_picsymbol_stubs.
  30
  31 2019-06-16  Iain Sandoe  <iain@sandoe.co.uk>
  32
  33         * config/darwin.opt (prebind, noprebind, seglinkedit,
  34         noseglinkedit): Add RejectNegative.
  35
  36 2019-06-16  Jan Hubicka  <hubicka@ucw.cz>
  37
  38         * tree-ssa-alias.c (nonoverlapping_component_refs_p): Fix pasto
  39         in my previous patch.
  40
  41 2019-06-16  Tom de Vries  <tdevries@suse.de>
  42
  43         PR tree-optimization/89376
  44         * tree-parloops.c (oacc_entry_exit_ok_1): Handle red == NULL.
  45
  46 2019-06-15  Maya Rashish  <coypu@sdf.org>
  47
  48         * doc/invoke.texi (Spec Files): Update location of the
  49         Fortran spec file.
  50
  51 2019-06-15  Gerald Pfeifer  <gerald@pfeifer.com>
  52
  53         * doc/extend.texi (Common Function Attributes): Clarify
  54         no_sanitize.  Fix grammar.
  55
  56 2019-06-15  Jan Hubicka  <hubicka@ucw.cz>
  57
  58         * tree-ssa-alias.c (alias_stats): Add
  59         nonoverlapping_component_refs_p_may_alias,
  60         nonoverlapping_component_refs_p_no_alias,
  61         nonoverlapping_component_refs_of_decl_p_may_alias,
  62         nonoverlapping_component_refs_of_decl_p_no_alias.
  63         (dump_alias_stats): Dump them.
  64         (nonoverlapping_component_refs_of_decl_p): Add stats.
  65         (nonoverlapping_component_refs_p): Add stats; do not stop on first
  66         ARRAY_REF.
  67
  68 2019-06-15  Uroš Bizjak  <ubizjak@gmail.com>
  69
  70         * config/i386/i386.md (and<mode>3): Generate zero-extends for
  71         TARGET_ZERO_EXTEND_WITH_AND && optimize_function_for_speed_p (cfun))
  72         only.
  73         (*anddi3_doubleword): Split before reload. Merge with
  74         anddi->zext pre-reload splitter.
  75         (*andndi3_doubleword): Split before reload.
  76         (*<code>di3_doubleword): Ditto.
  77         (*one_cmpldi2_doubleword): Ditto.
  78
  79 2019-06-15  Jakub Jelinek  <jakub@redhat.com>
  80
  81         PR middle-end/90779
  82         * gimplify.c: Include omp-offload.h and context.h.
  83         (gimplify_bind_expr): Add "omp declare target" attributes
  84         to static block scope variables inside of target region or target
  85         functions.
  86
  87 2019-06-15  Tom de Vries  <tdevries@suse.de>
  88
  89         PR tree-optimization/90009
  90         * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
  91         Return NULL if bb contains IFN_UNIQUE.
  92
  93 2019-06-14  Segher Boessenkool  <segher@kernel.crashing.org>
  94
  95         * config/rs6000/rs6000.md (CCEITHER): New define_mode_iterator.
  96         (un): New define_mode_attr.
  97         (isel_signed_<mode>, isel_unsigned_<mode>): Delete, merge into ...
  98         (isel_<un>signed_<GPR:mode>): ... this.  New define_insn.
  99         (isel_reversed_signed_<mode>, isel_reversed_unsigned_<mode>): Delete,
 100         merge into ...
 101         (isel_reversed_<un>signed_<GPR:mode>): ... this.  New define_insn.
 102
 103 2019-06-14  Iain Sandoe  <iain@sandoe.co.uk>
 104
 105         * config/darwin.opt: Add RejectNegative where needed, reorder
 106         and add minimal functional descriptions.
 107
 108 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 109
 110         PR rtl-optimization/90765
 111         * calls.c (update_stack_alignment_for_call): New function.
 112         (expand_call): Call update_stack_alignment_for_call when
 113         outgoing parameter is passed in the stack.
 114         (emit_library_call_value_1): Likewise.
 115         * function.c (locate_and_pad_parm): Don't update
 116         stack_alignment_needed and preferred_stack_boundary.
 117
 118 2019-06-14  H.J. Lu  <hongjiu.lu@intel.com>
 119
 120         PR target/90877
 121         * config/i386/i386-features.c
 122         (dimode_scalar_chain::compute_convert_gain): Replace
 123         mmxsse_to_integer with sse_to_integer.
 124         * config/i386/i386.c (ix86_register_move_cost): Verify that
 125         moves between MMX and non-MMX units require secondary memory.
 126         Correct costs of moves between SSE and integer units.
 127         * config/i386/i386.h (processor_costs): Rename cost of moving
 128         SSE register to integer to sse_to_integer.  Rename cost of
 129
 130 2019-06-14  Matt Thomas  <matt@3am-software.com>
 131             Matthew Green  <mrg@eterna.com.au>
 132             Nick Hudson  <skrll@netbsd.org>
 133             Maya Rashish  <coypu@sdf.org>
 134             Richard Earnshaw  <rearnsha@arm.com>
 135
 136         * config.gcc (arm*-*-netbsdelf*) Add support for EABI configuration.
 137         * config.host (arm*-*-netbsd*): Use driver-arm.o on native NetBSD.
 138         * config/arm/netbsd-eabi.h: New file.
 139         * config/arm/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Undefine before
 140         redefining.
 141         (SUBTARGET_EXTRA_ASM_SPEC): Don't pass -matpcs to the assembler.
 142         * config/netbsd-elf.h (NETBSD_LINK_LD_ELF_SO_SPEC): New define.
 143         (NETBSD_SUBTARGET_EXTRA_SPECS): New define.
 144         (SUBTARGET_EXTRA_SPECS): Define to NETBSD_SUBTARGET_EXTRA_SPECS.
 145
 146 2019-06-14  Richard Biener  <rguenther@suse.de>
 147
 148         * tree-loop-distribution.c (classify_partition): Return
 149         whether a reduction appeared in all partitions and do not
 150         stop builtin detection because of this.
 151         (distribute_loop): Sort a non-builtin partition last if
 152         there's a reduction in all partitions and make sure the
 153         partition prevailing as last is not a builtin.
 154
 155 2019-06-14  Feng Xue  <fxue@os.amperecomputing.com>
 156
 157         PR ipa/90401
 158         * ipa-prop.c (add_to_agg_contents_list): New function.
 159         (clobber_by_agg_contents_list_p): Likewise.
 160         (extract_mem_content): Likewise.
 161         (get_place_in_agg_contents_list): Delete.
 162         (determine_known_aggregate_parts): Renamed from
 163         determine_locally_known_aggregate_parts.  New parameter
 164         aa_walk_budget_p.
 165
 166 2019-06-13  Martin Sebor  <msebor@redhat.com>
 167
 168         PR tree-optimization/90662
 169         * tree-ssa-strlen.c (get_stridx): Convert fold_build2 operands
 170         to the same type.
 171
 172 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 173
 174         PR bootstrap/90873
 175         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Also check that
 176         dbase is not TARGET_MEM_REF.
 177
 178 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 179
 180         * config/i386/i386.md (SWIM1248s): Rename from SWIM1248x.
 181         Update all uses.
 182         (and<mode>3): Use gen_extend_insn instead of indirect functions.
 183         Do not generate DImode extends for 32bit targets.
 184         (and->zext post-reload splitter): Use gen_extend_insn
 185         instead of indirect functions.
 186         (anddi->zext pre-reload splitter): New.
 187         (*zext<mode>_doubleword_and): Remove.
 188         (*zext<mode>_doubleword): Ditto.
 189         (*zextsi_doubleword): Dittto.
 190
 191 2019-06-13  Uroš Bizjak  <ubizjak@gmail.com>
 192
 193         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
 194         Use gen_sub3_insn instead of indirect function.
 195         (ix86_expand_ashl_const): Use gen_add2_insn instead of
 196         indirect function.
 197         (ix86_adjust_counter): Ditto.
 198
 199 2019-06-13  Jiufu Guo  <guojiufu@linux.ibm.com>
 200             Lijia He  <helijia@linux.ibm.com>
 201
 202         PR tree-optimization/77820
 203         * tree-ssa-threadedge.c
 204         (edge_forwards_cmp_to_conditional_jump_through_empty_bb_p): New
 205         function.
 206         (thread_across_edge): Add call to
 207         edge_forwards_cmp_to_conditional_jump_through_empty_bb_p.
 208
 209 2019-06-13  Iain Sandoe  <iain@sandoe.co.uk>
 210
 211         * config/darwin-driver.c (validate_macosx_version_min): New.
 212         (darwin_default_min_version): Cleanup and validate supplied version.
 213         (darwin_driver_init): Likewise and push cleaned version into opts.
 214
 215 2019-06-13  Jan Hubicka  <hubicka@ucw.cz>
 216
 217         PR tree-optimization/90869
 218         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Watch for view
 219         converts in MEM_REF referencing decl rather than view converts
 220         from decl type to MEM_REF type.
 221
 222 2019-06-13  Richard Biener  <rguenther@suse.de>
 223
 224         PR tree-optimization/90856
 225         * tree-sra.c (build_ref_for_model): Only use
 226         build_reconstructed_reference when address-spaces are the same.
 227
 228 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 229
 230         * config/nvptx/nvptx.c (nvptx_sese_number, nvptx_sese_pseudo): Don't
 231         wrap ei variable name in the declaration in ()s.
 232         (nvptx_single): Actually use mode_label variable.  Formatting fix.
 233
 234 2019-06-13  Richard Biener  <rguenther@suse.de>
 235
 236         * tree-vectorizer.h (vect_loop_vectorized_call): Declare.
 237         * tree-vectorizer.c (vect_loop_vectorized_call): Export and
 238         also return the condition stmt.
 239         * tree-vect-loop-manip.c (vect_loop_versioning): Compute outermost
 240         loop we can version and version that, reusing the loop version
 241         created by if-conversion instead of versioning again.
 242
 243 2019-06-13  Aldy Hernandez  <aldyh@redhat.com>
 244
 245         * gimple-loop-versioning.cc (prune_loop_conditions): Use
 246         may_contain_p.
 247         * tree-vrp (value_range_base::may_contain_p): Call into
 248         value_inside_range.
 249         (value_inside_range): Make private inside value_range_base class.
 250         Take min/max from *this.
 251         (range_includes_p): Remove.
 252         * tree-vrp.h (value_range_base): Add value_inside_range.
 253         (range_includes_p): Remove.
 254         (range_includes_zero_p): Call may_contain_p.
 255         * vr-values.c (compare_range_with_value): Same.
 256
 257 2019-06-13  Claudiu Zissulescu  <claziss@synopsys.com>
 258
 259         * doc/extend.texi (ARC Function Attributes): Update info.
 260
 261 2019-06-13  Feng Xue  <fxue@os.amperecomputing.com>
 262
 263         PR tree-optimization/89713
 264         * doc/invoke.texi (-ffinite-loops): Document new option.
 265         * common.opt (-ffinite-loops): New option.
 266         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
 267         IFN_GOACC_LOOP calls as necessary.
 268         * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
 269         is finite.
 270         * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
 271         IFN_GOACC_LOOP call is not used.
 272         * opts.c (default_options_table): Enable -ffinite-loops at -O2+.
 273
 274 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 275
 276         PR target/88838
 277         * tree-vect-loop-manip.c (vect_set_loop_masks_directly): If the
 278         compare_type is not with Pmode size, we will create an IV with
 279         Pmode size with truncated use (i.e. converted to the correct type).
 280         * tree-vect-loop.c (vect_verify_full_masking): Find IV type.
 281         (vect_iv_limit_for_full_masking): New. Factored out of
 282         vect_set_loop_condition_masked.
 283         * tree-vectorizer.h (LOOP_VINFO_MASK_IV_TYPE): New.
 284         (vect_iv_limit_for_full_masking): Declare.
 285
 286 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 287
 288         PR target/88834
 289         * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
 290         IFN_MASK_LOAD_LANES and IFN_MASK_STORE_LANES.
 291         (get_alias_ptr_type_for_ptr_address): Likewise.
 292         (add_iv_candidate_for_use): Add scaled index candidate if useful.
 293         * tree-ssa-address.c (preferred_mem_scale_factor): New.
 294         * config/aarch64/aarch64.c (aarch64_classify_address): Relax
 295         allow_reg_index_p.
 296
 297 2019-06-13  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 298
 299         * config/aarch64/iterators.md (ADDSUB): Fix typo in comment.
 300
 301 2019-06-12  Dimitar Dimitrov  <dimitar@dinux.eu>
 302
 303         * common/config/pru/pru-common.c: New file.
 304         * config.gcc: Add PRU target.
 305         * config/pru/alu-zext.md: New file.
 306         * config/pru/constraints.md: New file.
 307         * config/pru/predicates.md: New file.
 308         * config/pru/pru-opts.h: New file.
 309         * config/pru/pru-passes.c: New file.
 310         * config/pru/pru-pragma.c: New file.
 311         * config/pru/pru-protos.h: New file.
 312         * config/pru/pru.c: New file.
 313         * config/pru/pru.h: New file.
 314         * config/pru/pru.md: New file.
 315         * config/pru/pru.opt: New file.
 316         * config/pru/t-pru: New file.
 317         * doc/extend.texi: Document PRU pragmas.
 318         * doc/invoke.texi: Document PRU-specific options.
 319         * doc/md.texi: Document PRU asm constraints.
 320
 321 2019-06-12  Martin Sebor  <msebor@redhat.com>
 322
 323         PR middle-end/90676
 324         * tree-pretty-print.c (dump_mem_ref): New function.  Include
 325         MEM_REF type in output when different size than operand.
 326         (dump_generic_node): Move code to dump_mem_ref and call it.
 327
 328 2019-06-12  Martin Sebor  <msebor@redhat.com>
 329
 330         PR tree-optimization/90662
 331         * tree-ssa-strlen.c (get_stridx): Handle simple VLAs and pointers
 332         to arrays.
 333
 334 2019-06-12  Tom de Vries  <tdevries@suse.de>
 335
 336         PR tree-optimization/90009
 337         * config/nvptx/nvptx.c (nvptx_find_par): Assert fork has at most join.
 338
 339 2019-06-12  Martin Liska  <mliska@suse.cz>
 340
 341         * ggc-common.c (ggc_prune_overhead_list): Do not sanitize
 342         the created map.
 343         * hash-map.h: Add sanitize_eq_and_hash into ::hash_map.
 344         * mem-stats.h (mem_alloc_description::mem_alloc_description):
 345         Do not sanitize created maps.
 346
 347 2019-06-12  Aldy Hernandez  <aldyh@redhat.com>
 348
 349         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children): Use
 350         value_range::singleton_p.
 351         * tree-vrp.c (value_range_constant_singleton): Remove.
 352         * tree-vrp.h (value_range_constant_singleton): Remove.
 353         * vr-values.c (vr_values::singleton): Use
 354         value_range::singleton_p.
 355
 356 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 357
 358         PR target/90811
 359         * cfgexpand.c (align_local_variable): Add really_expand argument,
 360         don't SET_DECL_ALIGN if it is false.
 361         (add_stack_var): Add really_expand argument, pass it through to
 362         align_local_variable.
 363         (expand_one_stack_var_1): Pass true as really_expand to
 364         align_local_variable.
 365         (expand_one_ssa_partition): Pass true as really_expand to
 366         add_stack_var.
 367         (expand_one_var): Pass really_expand through to add_stack_var.
 368
 369 2019-06-12  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
 370
 371         * config/arm/iterators.md (VABAL): New int iterator.
 372         * config/arm/neon.md (<sup>sadv16qi): New define_expand.
 373         * config/arm/unspecs.md ("unspec"): Define UNSPEC_VABAL_S, UNSPEC_VABAL_U
 374         values.
 375
 376 2019-06-12  Martin Liska  <mliska@suse.cz>
 377
 378         * value-prof.c (stream_out_histogram_value): Only first value
 379         can't be negative.
 380
 381 2019-06-12  Jakub Jelinek  <jakub@redhat.com>
 382
 383         PR c/90760
 384         * symtab.c (symtab_node::set_section): Allow being called on aliases
 385         as long as they aren't analyzed yet.
 386
 387 2019-06-11  Faraz Shahbazker  <fshahbazker@wavecomp.com>
 388
 389         * config/mips/mips.c (mips_final_postscan_insn): Modify call
 390         to `mips_set_text_contents_type' to indicate whether a
 391         non-debug insn follows.
 392
 393 2019-06-11  Michael Meissner  <meissner@linux.ibm.com>
 394
 395         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Delete
 396         enabling -mpcrel by default.
 397         * config/rs6000/rs6000.c (rs6000_option_override_internal): Update
 398         test for -mpcrel and/or -mprefixed-addr needing -mcpu=future, so
 399         that the test against -mcpu=future is done first.  Then test if
 400         -mprefixed-addr is on for -mpcrel.
 401         (rs6000_disable_incompatible_switches): Add -mcpu=future support.
 402
 403 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 404
 405         PR target/90811
 406         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Use and.b%d
 407         instead of and.u%d.
 408
 409 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 410
 411         * match.pd (X/[ex]4<Y/[ex]4): Handle conversions.
 412
 413 2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>
 414
 415         PR c++/90449 - add -Winaccessible-base option.
 416         * doc/invoke.texi (Winaccessible-base): Document.
 417
 418 2019-06-11  Marc Glisse  <marc.glisse@inria.fr>
 419
 420         PR tree-optimization/62041
 421         * fold-const.c (fold_real_zero_addition_p): Handle vectors.
 422
 423 2019-06-11  Jason Merrill  <jason@redhat.com>
 424
 425         * gdbhooks.py (TreePrinter.to_string): Recognize ggc_free'd memory.
 426         * tree.c (get_tree_code_name): Likewise.
 427         * print-tree.c (print_node): Only briefly print a node with an
 428         invalid code.
 429
 430 2019-06-11  Jakub Jelinek  <jakub@redhat.com>
 431
 432         PR bootstrap/90819
 433         * trans-mem.c (tm_memopt_compute_available): Add assertion
 434         that blocks is not empty.  Formatting fix.
 435
 436 2019-06-11  Martin Liska  <mliska@suse.cz>
 437
 438         PR c++/87847
 439         * hash-table.h: Extend create_gcc, add one parameter
 440         that is passed into hash_table::hash_table.
 441
 442 2019-06-10  Uroš Bizjak  <ubizjak@gmail.com>
 443
 444         * config/i386/i386-protos.h (ix86_split_fp_absneg_operator):
 445         New prototype.
 446         * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
 447         Emit clobber also for non-sse operations.
 448         (ix86_split_fp_absneg_operator): New function.
 449         * config/i386/i386.md (SSEMODEF): New mode iterator.
 450         (ssevecmodef): New mode attribute.
 451         (<code>tf2): Use absneg code iterator.
 452         (*<code>tf2_1): Rename from *absnegtf3_sse. Use absneg code iterator.
 453         Add three-operand AVX alternatives.
 454         (*<code><mode>2_i387_1): Rename from *absnegxf2_i387.
 455         Use absneg code iterator and X87MODEF mode iterator.
 456         (absneg fp_reg non-sse splitter): Call absneg code iterator
 457         and X87MODEF mode iterator.
 458         (absneg general_reg non-sse splitter): Use absneg code iterator
 459         and X87MODEF mode iterator.  Use ix86_split_fp_absneg_operator.
 460         (*<code><mode>2_1): Rename from *absneg<mode>2.  Use absneg
 461         code iterator.  Add three-operand AVX alternative.
 462         (absneg sse_reg splitter): Use absneg code iterator
 463         and SSEMODEF mode iterator.  Handle AVX operands.
 464         (absneg fp_reg splitter): Use absneg code iterator
 465         and MODEF mode iterator.
 466         (absneg general_reg splitter): Merge splitters using MODEF mode
 467         iterator.  Use absneg code iterator.  Call
 468         ix86_split_fp_absneg_operator.
 469         (*<code><mode>2_i387): Rename from *<code><mode>2_1.
 470         Do not enable for non-sse modes before reload.
 471         (CSGNMODE): Remove.
 472         (CSGNVMODE): Ditto.
 473         (copysing<mode>3): Use SSEMODEF instead of CSGNMODE and
 474         ssevecmodef mode attribute instaed of CSGNVMODE.
 475         (copysign<mode>3_const): Ditto.
 476         (copysign<mode>3_var): Ditto.
 477         * config/i386/i386.md (*<code><mode>2): Rename from *absneg<mode>2.
 478         Use absneg code iterator.  Simplify code using std::swap.
 479         * config/i386/predicates.md (absneg_operator): Remove.
 480
 481 2019-06-10  Martin Sebor  <msebor@redhat.com>
 482
 483         * gimple-fold.c (get_range_strlen): Update comment that didn't
 484         make it into r267503 or related commits.
 485
 486 2019-06-10  Vladislav Ivanishin  <vlad@ispras.ru>
 487
 488         * gcov-tool.c (merge_usage, rewrite_usage): Mark with
 489         ATTRIBUTE_NORETURN thus making consistent with overlap_usage.
 490
 491 2019-06-10  Jakub Jelinek  <jakub@redhat.com>
 492
 493         * tree.def (OMP_SCAN): New tree code.
 494         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_INCLUSIVE and
 495         OMP_CLAUSE_EXCLUSIVE.
 496         * tree.h (OMP_CLAUSES): Use OMP_SCAN instead of OMP_TASKGROUP.
 497         (OMP_SCAN_BODY, OMP_SCAN_CLAUSES): Define.
 498         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add entries for
 499         OMP_CLAUSE_{IN,EX}CLUSIVE.
 500         (walk_tree_1): Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 501         * tree-nested.c (convert_nonlocal_reference_stmt,
 502         convert_local_reference_stmt, convert_gimple_call): Handle
 503         GIMPLE_OMP_SCAN.
 504         * tree-pretty-print.c (dump_omp_clause): Handle
 505         OMP_CLAUSE_{IN,EX}CLUSIVE.
 506         (dump_generic_node): Handle OMP_SCAN.
 507         * gimple.def (GIMPLE_OMP_SCAN): New gimple code.
 508         * gimple.h (gomp_scan): New type.
 509         (is_a_helper <gomp_scan *>::test,
 510         is_a_helper <const gomp_scan *>::test): New templates.
 511         (gimple_build_omp_scan): Declare.
 512         (gimple_omp_scan_clauses, gimple_omp_scan_clauses_ptr,
 513         gimple_omp_scan_set_clauses): New inline functions.
 514         (CASE_GIMPLE_OMP): Add case GIMPLE_OMP_SCAN:.
 515         * gimple.c (gimple_build_omp_scan): New function.
 516         (gimple_copy): Handle GIMPLE_OMP_SCAN.
 517         * gimple-walk.c (walk_gimple_op, walk_gimple_stmt): Likewise.
 518         * gimple-pretty-print.c (dump_gimple_omp_block): Don't handle
 519         GIMPLE_OMP_TASKGROUP.
 520         (dump_gimple_omp_scan): New function.
 521         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCAN.
 522         * gimple-low.c (lower_stmt): Handle GIMPLE_OMP_SCAN.
 523         * tree-inline.c (remap_gimple_stmt, estimate_num_insns): Likewise.
 524         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_REDUCTION_INSCAN.
 525         (is_gimple_stmt): Handle OMP_SCAN.
 526         (gimplify_scan_omp_clauses): Reject inscan reductions on constructs
 527         other than OMP_FOR or OMP_SIMD.  Handle OMP_CLAUSE_{IN,EX}CLUSIVE.
 528         (gimplify_adjust_omp_clauses): Diagnose inscan reductions not
 529         mentioned in nested #pragma omp scan.  Handle
 530         OMP_CLAUSE_{IN,EX}CLUSIVE.
 531         (gimplify_expr): Handle OMP_SCAN.
 532         * omp-low.c (check_omp_nesting_restrictions): For parent context,
 533         look through GIMPLE_OMP_SCAN context.  Allow #pragma omp scan in
 534         simd constructs.
 535         (scan_omp_1_stmt, lower_omp_1, diagnose_sb_1, diagnose_sb_2): Handle
 536         GIMPLE_OMP_SCAN.
 537
 538 2019-06-10  Martin Liska  <mliska@suse.cz>
 539
 540         * ipa-cp.c (ignore_edge_p): New function.
 541         (build_toporder_info): Use it.
 542         * ipa-inline.c (ignore_edge_p): New function.
 543         (inline_small_functions): Use it.
 544         * ipa-pure-const.c (ignore_edge_for_nothrow):
 545         Verify opt_for_fn for caller and callee.
 546         (ignore_edge_for_pure_const): Likewise.
 547         * ipa-reference.c (ignore_edge_p): Extend to check
 548         for opt_for_fn.
 549         * ipa-utils.c (searchc): Refactor.
 550         * ipa-utils.h: Fix coding style.
 551
 552 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 553
 554         * config/arc/arc.c (arc_rtx_costs): Update costs.
 555
 556 2019-06-10  Claudiu Zissulescu  <claziss@synopsys.com>
 557
 558         * config/arc/arc-protos.h (arc_check_ior_const): Declare.
 559         (arc_split_ior): Likewise.
 560         (arc_check_mov_const): Likewise.
 561         (arc_split_mov_const): Likewise.
 562         * config/arc/arc.c (arc_print_operand): Fix 'z' letter.
 563         (arc_rtx_costs): Replace check Crr with Cax constraint.
 564         (prepare_move_operands): Cleanup, remove unused code.
 565         (arc_split_ior): New function.
 566         (arc_check_ior_const): Likewise.
 567         (arc_split_mov_const): Likewise.
 568         (arc_check_mov_const): Likewise.
 569         * config/arc/arc.md (movsi_insn): Restructure it, and convert it
 570         in define_insn_and_split pattern.
 571         (iorsi3): Likewise.
 572         (mulsi3_v2): Add new matching variant.
 573         (andsi3_i): Cleanup pattern.
 574         (rotrsi3_cnt1): Update pattern.
 575         (rotrsi3_cnt8): New pattern.
 576         (ashlsi2_cnt8): Likewise.
 577         (ashlsi2_cnt16): Likewise.
 578         * config/arc/constraints.md (C0p): Update constraint.
 579         (Crr): Remove it.
 580         (C0x): New pattern.
 581         (Cax): New pattern.
 582
 583 2019-06-10  Martin Liska  <mliska@suse.cz>
 584
 585         * ipa-icf.c (sem_item_optimizer::parse_nonsingleton_classes):
 586         Update coding style.
 587         (sem_item_optimizer::dump_cong_classes):
 588         Print how many items are in a non-singular class.  Improve
 589         coding style.
 590
 591 2019-06-10  Martin Liska  <mliska@suse.cz>
 592
 593         * value-prof.c (dump_histogram_value): Change dump format.
 594         (gimple_mod_subtract_transform): Remove legacy comment.
 595
 596 2019-06-10  Martin Liska  <mliska@suse.cz>
 597
 598         * value-prof.c (dump_histogram_value): Print histogram values
 599         only if present.
 600
 601 2019-06-10  Martin Liska  <mliska@suse.cz>
 602
 603         * gcov-io.h (GCOV_DISK_SINGLE_VALUES): New.
 604         (GCOV_SINGLE_VALUE_COUNTERS): Likewise.
 605         * ipa-profile.c (ipa_profile_generate_summary):
 606         Use get_most_common_single_value.
 607         * tree-profile.c (gimple_init_gcov_profiler):
 608         Instrument with __gcov_one_value_profiler_v2
 609         and __gcov_indirect_call_profiler_v4.
 610         * value-prof.c (dump_histogram_value):
 611         Print all values for HIST_TYPE_SINGLE_VALUE.
 612         (stream_out_histogram_value): Update assert for
 613         N values.
 614         (stream_in_histogram_value): Set number of
 615         counters for HIST_TYPE_SINGLE_VALUE.
 616         (get_most_common_single_value): New.
 617         (gimple_divmod_fixed_value_transform):
 618         Use get_most_common_single_value.
 619         (gimple_ic_transform): Likewise.
 620         (gimple_stringops_transform): Likewise.
 621         (gimple_find_values_to_profile): Set number
 622         of counters for HIST_TYPE_SINGLE_VALUE.
 623         * value-prof.h (get_most_common_single_value):
 624         New.
 625
 626 2019-06-10  Martin Liska  <mliska@suse.cz>
 627
 628         * hash-map.h: Pass default value to hash_table ctor.
 629         * hash-table.h: Add default value to call of a ctor.
 630
 631 2019-06-08  Jonathan Wakely  <jwakely@redhat.com>
 632
 633         * doc/invoke.texi (C Dialect Options): Minor grammatical change.
 634         (x86 Options): Replace all uses of "PCL_MUL" with "PCLMUL"
 635
 636 2019-06-07  John David Anglin  <danglin@gcc.gnu.orig>
 637
 638         PR target/90751
 639         * config/pa/pa-linux.h (ASM_DECLARE_FUNCTION_NAME): Update comment.
 640         Call pa_output_function_label.
 641         (TARGET_ASM_FUNCTION_PROLOGUE): define.
 642         * config/pa/pa-protos.h (pa_output_function_label): Declare.
 643         * config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED
 644         to declaration.
 645         (pa_linux_output_function_prologue): Declare.
 646         (TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
 647         (pa_output_function_label): New.
 648         (pa_output_function_prologue): Revise to use pa_output_function_label.
 649         (pa_linux_output_function_prologue): New.
 650         * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
 651
 652 2019-06-07  Aldy Hernandez  <aldyh@redhat.com>
 653
 654         * tree-vrp.h (value_range_base::intersect): New.
 655         (value_range::intersect_helper): Move from here...
 656         (value_range_base::intersect_helper): ...to here.
 657         * tree-vrp.c (value_range::intersect_helper): Rename to...
 658         (value_range_base::intersect_helper): ...this, and rewrite to
 659         return a value instead of modifying THIS in place.
 660         Also, move equivalence handling...
 661         (value_range::intersect): ...here, while calling intersect_helper.
 662         * gimple-fold.c (size_must_be_zero_p): Use value_range_base when
 663         calling intersect.
 664         * gimple-ssa-evrp-analyze.c (ecord_ranges_from_incoming_edge):
 665         Same.
 666         * vr-values.c (vrp_evaluate_conditional_warnv_with_ops): Same.
 667
 668 2019-06-07  Jakub Jelinek  <jakub@redhat.com>
 669
 670         * Makefile.in (genprogerr): Add condmd.
 671         (genprog): Remove it here.
 672
 673 2019-06-07  Andrew Stubbs  <ams@codesourcery.com>
 674
 675         * doc/invoke.texi (AMD GCN Options): Add gfx906.
 676
 677 2019-06-07  Richard Biener  <rguenther@suse.de>
 678
 679         PR debug/90574
 680         * tree-cfg.c (stmt_starts_bb_p): Split blocks at labels
 681         that appear after user labels.
 682
 683 2019-06-07  Martin Liska  <mliska@suse.cz>
 684
 685         * cselib.c (cselib_init): Disable hash table
 686         sanitization.
 687         * hash-set.h: Pass new default argument to m_table.
 688         * hash-table.c: Add global variable with hash table
 689         sanitization limit.
 690         * hash-table.h (Allocator>::hash_table): Add new argument
 691         to ctor.
 692         (hashtab_chk_error): New.
 693         * params.def (PARAM_HASH_TABLE_VERIFICATION_LIMIT): New.
 694         * toplev.c (process_options): Set hash_table_sanitize_eq_limit
 695         from the PARAM_HASH_TABLE_VERIFICATION_LIMIT value.
 696
 697 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 698
 699         * common.opt (flto-odr-type-merging): Ignore.
 700         * invoke.texi (-flto-odr-type-merging): Remove.
 701         * ipa-devirt.c (odr_vtable_hasher:odr_name_hasher): Remove.
 702         (can_be_vtable_hashed_p): Remove.
 703         (hash_odr_vtable): Remove.
 704         (odr_vtable_hasher::hash): Remove.
 705         (types_same_for_odr): Remove.
 706         (types_odr_comparable): Remove.
 707         (odr_vtable_hasher::equal): Remove.
 708         (odr_vtable_hash_type, odr_vtable_hash): Remove.
 709         (add_type_duplicate): Do not synchronize vtable and name hashtables.
 710         (get_odr_type): Do not use vtable hash.
 711         (dump_odr_type): Remove commented out code.
 712         (build_type_inheritance_graph): Do not allocate vtable hash.
 713         (rebuild_type_inheritance_graph): Do not delete vtable hash.
 714         * ipa-utils.h (type_with_linkage_p): Drop vtable hash path.
 715         (odr_type_p): Likewise.
 716         * tree.c (need_assembler_name_p): Remove flag_lto_odr_type_mering
 717         test.
 718
 719 2019-06-07  Jan Hubicka  <hubicka@ucw.cz>
 720
 721         * tree-ssa-alias.c (aliasing_component_refs_p): Do not give up
 722         immediately after same_types_for_tbaa_p returns -1 and continue
 723         looking for possible exact match; if matching types are arrays
 724         watch for partial overlaps.
 725         (indirect_ref_may_alias_decl_p): Watch for partial array overlaps.
 726         (indirect_refs_may_alias_p): Do type based disambiguation first;
 727         update comment.
 728
 729 2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
 730
 731         * fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
 732
 733 2019-06-07  Martin Liska  <mliska@suse.cz>
 734
 735         * doc/invoke.texi: Remove param.
 736         * gcov-counter.def (GCOV_COUNTER_ICALL_TOPNV):
 737         Remove.
 738         * gcov-io.h (GCOV_ICALL_TOPN_VAL): Likewise.
 739         (GCOV_ICALL_TOPN_NCOUNTS): Likewise.
 740         * params.def (PARAM_INDIR_CALL_TOPN_PROFILE): Likewise.
 741         * profile.c (instrument_values): Remove
 742         HIST_TYPE_INDIR_CALL_TOPN.
 743         * tree-profile.c (init_ic_make_global_vars):
 744         Always build __gcov_indirect_call only.
 745         (gimple_init_gcov_profiler): Remove usage
 746         of PARAM_INDIR_CALL_TOPN_PROFILE.
 747         (gimple_gen_ic_profiler): Likewise.
 748         * value-prof.c (dump_histogram_value): Likewise.
 749         (stream_in_histogram_value): Likewise.
 750         (gimple_indirect_call_to_profile): Likewise.
 751         (gimple_find_values_to_profile): Likewise.
 752         * value-prof.h (enum hist_type): Likewise.
 753
 754 2019-06-07  Martin Liska  <mliska@suse.cz>
 755
 756         * tree-ssa-loop.c (get_lsm_tmp_name): Return at the end of the
 757         function.
 758
 759 2019-06-07  Martin Liska  <mliska@suse.cz>
 760
 761         PR tree-optimization/78902
 762         * builtin-attrs.def (ATTR_WARN_UNUSED_RESULT): New.
 763         (ATTR_MALLOC_NOTHROW_LEAF_LIST): Remove.
 764         (ATTR_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 765         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LEAF_LIST): New.
 766         (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): Remove.
 767         (ATTR_MALLOC_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 768         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_LIST): New.
 769         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LIST): New.
 770         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 771         (ATTR_ALLOCA_SIZE_1_NOTHROW_LEAF_LIST): Remove.
 772         (ATTR_ALLOCA_WARN_UNUSED_RESULT_SIZE_1_NOTHROW_LEAF_LIST): New.
 773         (ATTR_MALLOC_SIZE_1_2_NOTHROW_LEAF_LIST):  Remove.
 774         (ATTR_MALLOC_WARN_UNUSED_RESULT_SIZE_1_2_NOTHROW_LEAF_LIST):
 775         New.
 776         (ATTR_ALLOC_SIZE_2_NOTHROW_LEAF_LIST): Remove.
 777         (ATTR_ALLOC_WARN_UNUSED_RESULT_SIZE_2_NOTHROW_LEAF_LIST): New.
 778         (ATTR_MALLOC_NOTHROW_NONNULL): Remove.
 779         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 780         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL): New.
 781         (ATTR_MALLOC_NOTHROW_NONNULL_LEAF): Remove.
 782         (ATTR_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 783         (ATTR_MALLOC_WARN_UNUSED_RESULT_NOTHROW_NONNULL_LEAF): New.
 784         * builtins.def (BUILT_IN_ALIGNED_ALLOC): Change to use
 785         warn_unused_result attribute.
 786         (BUILT_IN_STRDUP): Likewise.
 787         (BUILT_IN_STRNDUP): Likewise.
 788         (BUILT_IN_ALLOCA): Likewise.
 789         (BUILT_IN_CALLOC): Likewise.
 790         (BUILT_IN_MALLOC): Likewise.
 791         (BUILT_IN_REALLOC): Likewise.
 792
 793 2019-06-06  Jim Wilson  <jimw@sifive.com>
 794
 795         PR target/89955
 796         * config/riscv/riscv.h (STARTFILE_PREFIX_SPEC): Deleted.
 797         * config/riscv/freebsd.h (STARTFILE_PREFIX_SPEC): Added.
 798         * config/riscv/linux.h (STARTFILE_PREFIX_SPEC): Added.
 799
 800 2019-06-06  Martin Sebor  <msebor@redhat.com>
 801
 802         * tree-ssa-strlen.c (adjust_related_strinfos): Avoid trailing article.
 803         (handle_builtin_malloc): Remove trailing spaces.
 804         (handle_builtin_memset): Same.
 805         (handle_builtin_memcmp): Same.
 806         (compute_string_length): Same.
 807         (determine_min_objsize): Same.
 808         (handle_builtin_string_cmp): Same.
 809         (handle_char_store): Same.  Break up excessively long line.
 810
 811 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 812
 813         * tree-sra.c (build_reconstructed_reference): Drop the alignment
 814         check.
 815
 816 2019-06-06  Martin Jambor  <mjambor@suse.cz>
 817
 818         * tree-sra.c (struct access): New field grp_same_access_path.
 819         (dump_access): Dump it.
 820         (build_reconstructed_reference): New function.
 821         (build_ref_for_model): Use it if possible.
 822         (path_comparable_for_same_access): New function.
 823         (same_access_path_p): Likewise.
 824         (sort_and_splice_var_accesses): Set the new flag.
 825         (analyze_access_subtree): Likewise.
 826         (propagate_subaccesses_across_link): Propagate zero value of the new
 827         flag down the access tree.
 828
 829 2019-06-06  Andrew Stubbs  <ams@codesourcery.com>
 830
 831         * config.gcc (amdgcn-*-*): Allow --with-arch=gfx906.
 832         * config/gcn/gcn.opt (gpu_type): Add gfx906.
 833         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add gfx906 multilib.
 834         (MULTILIB_DIRNAMES): Rename gcn5 to gfx900.
 835         Add gfx906.
 836
 837 2019-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 838
 839         PR tree-optimization/90332
 840         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
 841         Handle VALS containing two vectors.
 842         * config/aarch64/aarch64-simd.md (*aarch64_combinez<mode>): Rename
 843         to...
 844         (@aarch64_combinez<mode>): ... This.
 845         (*aarch64_combinez_be<mode>): Rename to...
 846         (@aarch64_combinez_be<mode>): ... This.
 847         (vec_init<mode><Vhalf>): New define_expand.
 848         * config/aarch64/iterators.md (Vhalf): Handle V8HF.
 849
 850 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 851
 852         * config/msp430/msp430.md (ashlhi3): Use the const_variant of shift
 853         library functions only when not optimizing for size.
 854         (ashlsi3): Likewise.
 855         (ashrhi3): Likewise.
 856         (ashrsi3): Likewise.
 857         (lshrhi3): Likewise.
 858         (lshrsi3): Likewise.
 859
 860 2019-06-06  Andreas Krebbel  <krebbel@linux.ibm.com>
 861
 862         PR rtl-optimization/88751
 863         * ira.c (ira): Use the number of the actually referenced registers
 864         when calculating the threshold.
 865
 866 2019-06-06  Jakub Jelinek  <jakub@redhat.com>
 867
 868         * configure: Regenerate.
 869
 870 2019-06-06  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 871
 872         * config/msp430/msp430.md (ashlhi3): Force shift src operand into a
 873         register if it is in memory, so the shift can be emulated with a rotate
 874         instruction.
 875         (ashrhi3): Likewise.
 876         (lshrhi3): Likewise.
 877
 878 2019-06-06  Martin Liska  <mliska@suse.cz>
 879
 880         PR tree-optimization/87954
 881         * match.pd: Simplify mult where both arguments are 0 or 1.
 882
 883 2019-06-06  Richard Biener  <rguenther@suse.de>
 884
 885         * vr-values.c (vr_values::extract_range_from_ssa_name): Do not
 886         put equivalences on UNDEFINED ranges.
 887         * gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
 888         Make sure to drop defs of stmts added during simplification
 889         to VARYING.
 890
 891 2019-06-06  Richard Biener  <rguenther@suse.de>
 892
 893         * tree-ssa-structalias.c: Include tree-cfg.h.
 894         (make_heapvar): Do not make heap vars artificial.
 895         (find_func_aliases_for_builtin_call): Handle stack allocation
 896         functions.
 897         (find_func_aliases): Delay processing of simple enough returns
 898         in non-IPA mode.
 899         (set_uids_in_ptset): Adjust.
 900         (find_what_var_points_to): Likewise.
 901         (solve_constraints): Do not dump points-to sets here.
 902         (compute_points_to_sets): Post-process return statements,
 903         amending the escaped solution.  Dump points-to sets afterwards.
 904         (ipa_pta_execute): Dump points-to sets.
 905
 906 2019-06-06  Martin Liska  <mliska@suse.cz>
 907
 908         PR web/87933
 909         * doc/install.texi: Fix HTML headers and
 910         titles for 'Installing GCC' pages.
 911
 912 2019-06-06  Martin Liska  <mliska@suse.cz>
 913
 914         * ipa-icf-gimple.h (dump_message_1): Remove.
 915         (dump_message): Likewise.
 916         (return_false_with_message_1): Print also file.
 917         (return_false_with_msg): Likewise.
 918         (return_with_result): Likewise.
 919         (return_with_debug): Likewise.
 920         * ipa-icf.c (sem_function::equals_private): Remove call
 921         to dump_message.
 922
 923 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
 924
 925         * config/i386/sse.md (define_mode_suffix vecmemsuffix): New.
 926         (define_insn "avx512dq_fpclass<mode><mask_scalar_merge_name>"): Enable
 927         memory operand for it.
 928         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>"): Ditto.
 929
 930 2019-06-05  Martin Sebor  <msebor@redhat.com>
 931
 932         * config/i386/i386-features.c (ix86_get_function_versions_dispatcher):
 933         Adjust quoting and hyphenation.
 934         * convert.c (convert_to_real_1): Same.
 935         * gcc.c (driver_wrong_lang_callback): Same.
 936         (driver::handle_unrecognized_options): Same.
 937         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
 938         * opts-common.c (cmdline_handle_error): Same.
 939         (read_cmdline_option): Same.
 940         * opts-global.c (complain_wrong_lang): Same.
 941         (print_ignored_options): Same.
 942         (handle_common_deferred_options): Same.
 943         * pretty-print.h: Same.
 944         * print-rtl.c (debug_bb_n_slim): Same.
 945         * sched-rgn.c (make_pass_sched_fusion): Same.
 946         * tree-cfg.c (verify_gimple_assign_unary): Same.
 947         (verify_gimple_label): Same.
 948         * tree-ssa-operands.c (verify_ssa_operands): Same.
 949         * varasm.c (do_assemble_alias): Same.
 950         (assemble_alias): Same.
 951
 952 2019-06-05  Richard Henderson  <rth@twiddle.net>
 953
 954         * config/alpha/alpha.c (direct_return): Move down after
 955         struct machine_function definition; use saved frame_size;
 956         return bool.
 957         (struct machine_function): Add sa_mask, sa_size, frame_size.
 958         (alpha_sa_mask, alpha_sa_size, compute_frame_size): Merge into ...
 959         (alpha_compute_frame_layout): ... new function.
 960         (TARGET_COMPUTE_FRAME_LAYOUT): New.
 961         (alpha_initial_elimination_offset): Use saved sa_size.
 962         (alpha_vms_initial_elimination_offset): Likewise.
 963         (alpha_vms_can_eliminate): Remove alpha_sa_size call.
 964         (alpha_expand_prologue): Use saved frame data.  Merge integer
 965         and fp register save loops.
 966         (alpha_expand_epilogue): Likewise.
 967         (alpha_start_function): Use saved frame data.
 968         * config/alpha/alpha-protos.h (direct_return): Update.
 969         (alpha_sa_size): Remove.
 970
 971 2019-06-05  Eric Botcazou  <ebotcazou@adacore.com>
 972
 973         * fold-const.c (extract_muldiv_1) <PLUS_EXPR>: Do not distribute a
 974         multiplication by a power-of-two value.
 975         (fold_plusminus_mult_expr): Use pow2p_hwi to spot a power-of-two value
 976         and turn the modulo operation into a masking operation.
 977
 978 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 979
 980         PR debug/90733
 981         * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
 982         with VOIDmode inner operands.
 983
 984 2019-06-05  Richard Biener  <rguenther@suse.de>
 985
 986         PR middle-end/90726
 987         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 988         turn an expression graph into a tree.
 989
 990 2019-06-05  Jakub Jelinek  <jakub@redhat.com>
 991
 992         * omp-expand.c (struct omp_region): Add has_lastprivate_conditional
 993         member.
 994         (expand_parallel_call): If region->inner->has_lastprivate_conditional,
 995         treat it like explicit monotonic schedule modifier.
 996         (expand_omp_for): Initialize has_lastprivate_conditional.
 997         If fd.lastprivate_conditional != 0, treat it like explicit monotonic
 998         schedule modifier.
 999
1000         * omp-low.c (lower_rec_input_clauses): For lastprivate conditional
1001         references, lookup in in hash map MEM_REF operand instead of the
1002         MEM_REF itself.
1003         (lower_omp_1): When looking for lastprivate conditional assignments,
1004         handle MEM_REFs with REFERENCE_TYPE operands.
1005
1006         * omp-low.c (lower_rec_input_clauses): Force max_vf if is_simd and
1007         on privatization clauses OMP_CLAUSE_DECL is privatized by reference
1008         and references a VLA.  Handle references to non-VLAs if is_simd
1009         all privatization clauses like reductions.
1010         (lower_rec_input_clauses) <case do_private, case do_firstprivate>:
1011         If omp_is_reference, use always omp simd arrays and set
1012         DECL_VALUE_EXPR in that case, if lower_rec_simd_input_clauses
1013         fails, emit reference initialization.
1014
1015 2019-06-05  Hongtao Liu  <hongtao.liu@intel.com>
1016
1017         PR target/89803
1018         * config/i386/avx512dqintrin.h (_mm_mask_fpclass_ss_mask,
1019         _mm_mask_fpclass_sd_mask): New intrinsics.
1020         (_mm_fpclass_ss_mask, _mm_fpclass_sd_mask): Modified, use new builtins.
1021         * config/i386/i386-builtin.def
1022         (__builtin_ia32_fpclassss_mask, __builtin_ia32_fpclasssd_mask):
1023         New builtins.
1024         (__builtin_ia32_fpclassss, __builtin_ia32_fpclasssd): Deleted.
1025         * config/i386/i386-builtin-types.def (DEF_FUNCTION_TYPE (QI, V2DF, INT),
1026         DEF_FUNCTION_TYPE (QI, V4SF, INT)): Deleted.
1027         * config/i386/i386-expand.c (case QI_FTYPE_V4SF_INT,
1028         case QI_FTYPE_V2SF_INT): Ditto.
1029         * config/i386/sse.md
1030         (define_insn "avx512dq_vmfpclass<mode><mask_scalar_merge_name>):
1031         Extended to insnstructions with mask operands.
1032
1033 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1034
1035         * config/rs6000/constraints.md (define_register_constraint "wp"):
1036         Delete.
1037         (define_register_constraint "wq"): Delete.
1038         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1039         (rs6000_init_hard_regno_mode_ok): Adjust.
1040         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1041         RS6000_CONSTRAINT_wp and RS6000_CONSTRAINT_wq.
1042         * config/rs6000/vsx.md (define_mode_attr VSr3): Delete.
1043         (define_mode_attr VSa): Delete.
1044         (define_mode_attr VSisa): New.
1045         (rest of file): Adjust.
1046         * doc/md.texi (Machine Constraints): Adjust.
1047
1048 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1049
1050         * config/rs6000/rs6000.md (define_attr "isa"): Add p9kf and p9tf.
1051         (define_attr "enabled"): Handle those new isa values.
1052
1053 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1054
1055         * config/rs6000/vsx.md (define_mode_attr VSr4): Delete.
1056         (define_mode_attr VSr5): Delete.
1057         (define_mode_attr VStype_sqrt): Delete.
1058         (define_mode_iterator VSX_SPDP): Delete.
1059         (define_mode_attr VS_spdp_res): Delete.
1060         (define_mode_attr VS_spdp_insn): Delete.
1061         (define_mode_attr VS_spdp_type): Delete.
1062         (*vsx_sqrt<mode>2): Adjust.
1063         (vsx_<VS_spdp_insn>): Delete, split to...
1064         (vsx_xscvdpsp): ... this.  New.  And...
1065         (vsx_xvcvspdp): ... this.  New.  And...
1066         (vsx_xvcvdpsp): ... this.  New.
1067
1068 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1069
1070         * config/rs6000/rs6000.md (define_mode_attr sd): Add values for V4SF
1071         and V2DF.
1072         * config/rs6000/vsx.md (define_mode_attr VSs): Delete.
1073         (rest of file): Adjust.
1074
1075 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1076
1077         * config/rs6000/vsx.md (vsx_<VS_spdp_insn>): Use wa instead of <VSa>.
1078         (vsx_extract_<mode>_var): Ditto.
1079
1080 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1081
1082         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_TI
1083         with just "wa".
1084
1085 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1086
1087         * config/rs6000/constraints.md (define_register_constraint "ww"):
1088         Delete.
1089         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1090         (rs6000_init_hard_regno_mode_ok): Adjust.
1091         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1092         RS6000_CONSTRAINT_ww.
1093         * config/rs6000/rs6000.md: Adjust.
1094         * config/rs6000/vsx.md: Adjust.
1095         * doc/md.texi (Machine Constraints): Adjust.
1096
1097 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1098
1099         * config/rs6000/rs6000.md (SFDF, SFDF2): Adjust comments.
1100         (define_mode_attr sd): New.
1101         (define_mode_attr s): New.
1102         (define_mode_attr Ftrad): Delete.
1103         (define_mode_attr Fvsx): Delete.
1104         (define_mode_attr Fs): Delete.
1105         (rest of file): Use the new mode attributes.
1106         * config.rs6000/vsx.md: Use the new mode attributes.
1107
1108 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1109
1110         * config/rs6000/vsx.md: Replace all <VSa> that are used with VSX_W
1111         with just "wa".
1112
1113 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1114
1115         * config/rs6000/vsx.md (define_mode_attr VSr2): Delete.
1116         (rest of file): Replace all <VSa>, <VSr>, <VSr2>, and <VSr3> that are
1117         used with VSX_B, VSX_D, or VSX_F, with just "wa".
1118
1119 2019-06-04  Bill Schmidt  <wschmidt@linux.ibm.com>
1120
1121         PR target/78263
1122         * config/rs6000/altivec.h: Don't #define vector, pixel, bool for
1123         C++ with strict ANSI requirements.
1124
1125 2019-06-04  Marc Glisse  <marc.glisse@inria.fr>
1126
1127         * tree-ssa-loop-niter.c (number_of_iterations_ne): Skip
1128         computations when step is 1.
1129
1130 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1131
1132         * config/rs6000/constraints.md (define_register_constraint "wf"):
1133         Delete.
1134         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1135         (rs6000_init_hard_regno_mode_ok): Adjust.
1136         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1137         RS6000_CONSTRAINT_wf.
1138         * config/rs6000/rs6000.md: Adjust.
1139         * config/rs6000/vsx.md: Adjust.
1140         * doc/md.texi (Machine Constraints): Adjust.
1141
1142 2019-06-04  Andrew Pinski  <apinski@marvell.com>
1143
1144         * config/aarch64/aarch64.c (aarch64_asan_shadow_offset):
1145         Fix ILP32 value.
1146
1147 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1148
1149         * config/rs6000/constraints.md (define_register_constraint "wd"):
1150         Delete.
1151         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1152         (rs6000_init_hard_regno_mode_ok): Adjust.
1153         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1154         RS6000_CONSTRAINT_wd.
1155         * config/rs6000/rs6000.md: Adjust.
1156         * config/rs6000/vsx.md: Adjust.
1157         * doc/md.texi (Machine Constraints): Adjust.
1158
1159 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1160
1161         * config/rs6000/rs6000.md (define_mode_attr Fv2): Delete.
1162         (rest of file): Adjust.
1163
1164 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1165
1166         * config/rs6000/vsx.md (define_mode_attr VS_64reg): Delete.
1167         (*vsx_extract_<P:mode>_<VSX_D:mode>_load): Adjust.
1168         (vsx_splat_<mode>_reg): Adjust.
1169
1170 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1171
1172         * config/rs6000/constraints.md (define_register_constraint "ws"):
1173         Delete.
1174         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1175         (rs6000_init_hard_regno_mode_ok): Adjust.
1176         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1177         RS6000_CONSTRAINT_ws.
1178         * config/rs6000/rs6000.md: Adjust.
1179         * config/rs6000/vsx.md: Adjust.
1180         * doc/md.texi (Machine Constraints): Adjust.
1181
1182 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1183
1184         * config/rs6000/constraints.md (define_register_constraint "wv"):
1185         Delete.
1186         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1187         (rs6000_init_hard_regno_mode_ok): Adjust.
1188         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1189         RS6000_CONSTRAINT_wv.
1190         * config/rs6000/rs6000.md: Adjust.
1191         * config/rs6000/vsx.md: Adjust.
1192         * doc/md.texi (Machine Constraints): Adjust.
1193
1194 2019-06-04  Segher Boessenkool  <segher@kernel.crashing.org>
1195
1196         * config/rs6000/constraints.md (define_register_constraint "wi"):
1197         Delete.
1198         (define_register_constraint "wt"): Delete.
1199         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1200         (rs6000_init_hard_regno_mode_ok): Adjust.
1201         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1202         RS6000_CONSTRAINT_wi and RS6000_CONSTRAINT_wt.
1203         * config/rs6000/rs6000.md: Adjust.
1204         * config/rs6000/vsx.md: Adjust.
1205         * doc/md.texi (Machine Constraints): Adjust.
1206
1207 2019-06-04  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1208
1209         * config/aarch64/aarch64-protos.h (aarch64_asm_output_external): Remove
1210         const.
1211         * config/aarch64/aarch64.c (aarch64_asm_output_external): Call
1212         default_elf_asm_output_external.
1213
1214 2019-06-04  Martin Liska  <mliska@suse.cz>
1215
1216         * ipa-icf.c (INCLUDE_LIST): Remove.
1217         (sem_item_optimizer::execute): Remove call to init_wpa.
1218         * ipa-icf.h (init_wpa): Remove.
1219
1220 2019-06-04  Jakub Jelinek  <jakub@redhat.com>
1221
1222         * gimplify.c (gimplify_scan_omp_clauses): Don't sorry_at on lastprivate
1223         conditional on combined for simd.
1224         * omp-low.c (struct omp_context): Add combined_into_simd_safelen0
1225         member.
1226         (lower_rec_input_clauses): For gimple_omp_for_combined_into_p max_vf 1
1227         constructs, don't remove lastprivate_conditional_map, but instead set
1228         ctx->combined_into_simd_safelen0 and adjust hash_map, so that it points
1229         to parent construct temporaries.
1230         (lower_lastprivate_clauses): Handle ctx->combined_into_simd_safelen0
1231         like !ctx->lastprivate_conditional_map.
1232         (lower_omp_1) <case GIMPLE_ASSIGN>: If up->combined_into_simd_safelen0,
1233         use up->outer context instead of up.
1234         * omp-expand.c (expand_omp_for_generic): Perform cond_var bump even if
1235         gimple_omp_for_combined_p.
1236         (expand_omp_for_static_nochunk): Likewise.
1237         (expand_omp_for_static_chunk): Add forgotten cond_var bump that was
1238         probably moved over into expand_omp_for_generic rather than being copied
1239         there.
1240
1241 2019-06-04  Martin Liska  <mliska@suse.cz>
1242
1243         * value-prof.c (dump_histogram_value): Fix typo.
1244         (gimple_mod_subtract_transform): Likewise.
1245
1246 2019-06-04  Richard Biener  <rguenther@suse.de>
1247
1248         PR middle-end/90726
1249         * tree-chrec.c (chrec_contains_symbols): Add to visited.
1250         (tree_contains_chrecs): Likewise.
1251         (chrec_contains_symbols_defined_in_loop): Move here and avoid
1252         exponential behaivor from ...
1253         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1254         ... here.
1255         (expression_expensive_p): Avoid exponential behavior and compute
1256         expanded size, rejecting any expansion.
1257         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): Remove.
1258         (idx_contains_abnormal_ssa_name_p): Likewise.
1259         (contains_abnormal_ssa_name_p_1): New helper for walk_tree.
1260         (contains_abnormal_ssa_name_p): Simplify and use
1261         walk_tree_without_duplicates.
1262
1263 2019-06-04  Richard Biener  <rguenther@suse.de>
1264
1265         PR tree-optimization/90738
1266         Revert
1267         2019-06-03  Richard Biener  <rguenther@suse.de>
1268
1269         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1270         full reference tree and record in ref->ref.
1271         (vn_reference_lookup_3): Pass in original ref to
1272         ao_ref_init_from_vn_reference.
1273         (vn_reference_lookup): Likewise.
1274         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1275         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1276         Handle non-decl bases in the original reference.
1277
1278 2019-06-04  Martin Liska  <mliska@suse.cz>
1279
1280         * ipa-icf.c (sem_item_optimizer::add_item_to_class): Count
1281         number of references.
1282         (sem_item_optimizer::do_congruence_step):
1283         (sem_item_optimizer::worklist_push): Dump how references
1284         a class has.
1285         (sem_item_optimizer::worklist_pop): Use heap.
1286         (sem_item_optimizer::process_cong_reduction): Likewise.
1287         * ipa-icf.h: Use fibonacci_heap insteam of std::list.
1288
1289 2019-06-04  Martin Liska  <mliska@suse.cz>
1290
1291         * ipa-icf.h (struct sem_usage_pair_hash): New.
1292         (sem_usage_pair_hash::hash): Likewise.
1293         (sem_usage_pair_hash::equal): Likewise.
1294         (struct sem_usage_hash): Likewise.
1295         * ipa-icf.c (sem_item::sem_item): Initialize
1296         referenced_by_count.
1297         (sem_item::add_reference): Register a reference
1298         in ref_map and not in target->usages.
1299         (sem_item::setup): Remove initialization of
1300         dead vectors.
1301         (sem_item::~sem_item): Remove usage of dead vectors.
1302         (sem_item::dump): Remove dump of references.
1303         (sem_item_optimizer::sem_item_optimizer): Initialize
1304         m_references.
1305         (sem_item_optimizer::read_section): Remove useless
1306         dump.
1307         (sem_item_optimizer::parse_funcs_and_vars): Likewise here.
1308         (sem_item_optimizer::build_graph): Pass m_references
1309         to ::add_reference.
1310         (sem_item_optimizer::verify_classes): Remove usage of dead
1311         vectors.
1312         (sem_item_optimizer::traverse_congruence_split): Return true
1313         when a class is split.
1314         (sem_item_optimizer::do_congruence_step_for_index): Use
1315         hash_map for look up of (sem_item *, index). That brings
1316         significant speed up.
1317         (sem_item_optimizer::do_congruence_step): Return true
1318         when a split is done.
1319         (congruence_class::is_class_used): Use referenced_by_count.
1320
1321 2019-06-04  Alan Modra  <amodra@gmail.com>
1322
1323         PR target/90689
1324         * config/rs6000/rs6000.c (rs6000_call_aix): Correct r271753 merge
1325         error.
1326
1327 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1328
1329         * config/rs6000/rs6000.h (MASK_MFPGPR): Delete.
1330         * config/rs6000/rs6000.c (direct_move_p): Adjust.
1331         (rs6000_secondary_reload_simple_move): Adjust.
1332         (rs6000_opt_masks): Neuter the "mfpgpr" option.
1333         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Adjust.
1334         * config/rs6000/rs6000-cpus.def (ISA_2_5_MASKS_EMBEDDED): Adjust
1335         comment.
1336         (power6x): Adjust.
1337         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Adjust.
1338         (floatunssi<mode>2_lfiwzx): Adjust.
1339         (fix_trunc<mode>si2_stfiwx): Adjust.
1340         (fixuns_trunc<mode>si2_stfiwx): Adjust.
1341         * config/rs6000/rs6000.opt (mno-mfpgpr): New.
1342         (mfpgpr): Mark as deprecated.
1343         * doc/extend.texi (PowerPC Function Attributes): Delete mfpgpr.
1344         (Basic PowerPC Built-in Functions Available on ISA 2.05): Adjust.
1345         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mmfpgpr.
1346
1347 2019-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1348
1349         * config/rs6000/constraints.md (define_register_constraint "wg"):
1350         Delete.
1351         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
1352         RS6000_CONSTRAINT_wg.
1353         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
1354         (rs6000_init_hard_regno_mode_ok): Adjust.
1355         * config/rs6000/rs6000.md (*mov<mode>_softfloat32, *movdi_internal64):
1356         Delete "wg" alternatives.
1357         * doc/md.texi (Machine Constraints): Adjust.
1358
1359 2019-06-03  Alan Modra  <amodra@gmail.com>
1360
1361         * bb-reorder.c (copy_bb_p): Don't overflow size calculation.
1362         (get_uncond_jump_length): Assert length less than INT_MAX and
1363         non-negative.
1364
1365 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1366
1367         PR middle-end/64242
1368         * builtins.c (expand_builtin_longjmp): Add frame clobbers and schedule
1369         block.
1370         (expand_builtin_nonlocal_goto): Likewise.
1371
1372 2019-06-03  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1373
1374         * config/aarch64/aarch64-protos.h (aarch64_asm_output_alias): Declare.
1375         (aarch64_asm_output_external): Declare.
1376         * config/aarch64/aarch64.c (aarch64_asm_output_variant_pcs): New.
1377         (aarch64_declare_function_name): Call aarch64_asm_output_variant_pcs.
1378         (aarch64_asm_output_alias): New.
1379         (aarch64_asm_output_external): New.
1380         * config/aarch64/aarch64.h (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1381         (ASM_OUTPUT_EXTERNAL): Define.
1382
1383 2019-06-03  Aldy Hernandez  <aldyh@redhat.com>
1384         * tree-vrp.h (value_range_base::nonzero_p): New.
1385         (value_range_base::set_nonnull): Rename to...
1386         (value_range_base::set_nonzero): ...this.
1387         (value_range_base::set_null): Rename to...
1388         (value_range_base::set_zero): ...this.
1389         (value_range::set_nonnull): Remove.
1390         (value_range::set_null): Remove.
1391         * tree-vrp.c (range_is_null): Remove.
1392         (range_is_nonnull): Remove.
1393         (extract_range_from_binary_expr): Use value_range_base::*zero_p
1394         instead of range_is_*null.
1395         (extract_range_from_unary_expr): Same.
1396         (value_range_base::set_nonnull): Rename to...
1397         (value_range_base::set_nonzero): ...this.
1398         (value_range::set_nonnull): Remove.
1399         (value_range_base::set_null): Rename to...
1400         (value_range_base::set_zero): ...this.
1401         (value_range::set_null): Remove.
1402         (extract_range_from_binary_expr): Rename set_*null uses to
1403         set_*zero.
1404         (extract_range_from_unary_expr): Same.
1405         (union_helper): Same.
1406         * vr-values.c (get_value_range): Use set_*zero instead of
1407         set_*null.
1408         (vr_values::extract_range_from_binary_expr): Same.
1409         (vr_values::extract_range_basic): Same.
1410
1411 2019-06-03  Wilco Dijkstra  <wdijkstr@arm.com>
1412
1413         PR driver/90684
1414         * opts.c (parse_and_check_align_values): Allow 4 alignment values.
1415
1416 2019-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1417
1418         * config/aarch64/iterators.md (MAX_OPP): New code attr.
1419         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Rename to...
1420         (aarch64_<su>abd<mode>_3): ... This.
1421         (<sur>sadv16qi): Add TARGET_DOTPROD expansion.
1422
1423 2019-06-03  Richard Biener  <rguenther@suse.de>
1424
1425         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Get original
1426         full reference tree and record in ref->ref.
1427         (vn_reference_lookup_3): Pass in original ref to
1428         ao_ref_init_from_vn_reference.
1429         (vn_reference_lookup): Likewise.
1430         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Adjust prototype.
1431         * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p):
1432         Handle non-decl bases in the original reference.
1433
1434 2019-06-03  Martin Liska  <mliska@suse.cz>
1435
1436         * doc/generic.texi: Remove Java Trees.
1437
1438 2019-06-03  Martin Liska  <mliska@suse.cz>
1439
1440         * fold-const.c (operand_equal_p): Fix typo as compare_tree_int
1441         returns 0 when operands are equal.
1442
1443 2019-06-03  Richard Biener  <rguenther@suse.de>
1444
1445         PR tree-optimization/90716
1446         * tree-loop-distribution.c (destroy_loop): Process blocks in
1447         correct order.
1448
1449 2019-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1450
1451         PR target/88837
1452         * vector-builder.h (vector_builder::count_dups): New method.
1453         * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
1454         Declare prototype.
1455         * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
1456         (vec_init<mode><Vel>): New pattern.
1457         * config/aarch64/aarch64.c (emit_insr): New function.
1458         (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
1459         (aarch64_sve_expand_vector_init_insert_elems): Likewise.
1460         (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
1461         (aarch64_sve_expand_vector_init): Define two overloaded functions.
1462
1463 2019-06-03  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1464
1465         PR tree-optimization/90681
1466         * internal-fn.c (mask_load_direct): Mark as non-vectorizable again.
1467         * tree-vect-slp.c (vect_build_slp_tree_1): Add masked loads as a
1468         special case for SLP, but fail on non-groupped loads.
1469
1470 2019-06-03  Martin Liska  <mliska@suse.cz>
1471
1472         * cfg.c (debug): Use TDF_DETAILS for debug and
1473         print edge info only once.
1474
1475 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1476
1477         PR fortran/90539
1478         * predict.def (PRED_FORTRAN_CONTIGUOUS): New predictor.
1479
1480 2019-06-01  Martin Sebor  <msebor@redhat.com>
1481
1482         PR middle-end/90694
1483         * tree-pretty-print.c (dump_generic_node): Add parentheses.
1484
1485 2019-05-31  Jan Hubicka  <jh@suse.cz>
1486
1487         * alias.c: Include ipa-utils.h.
1488         (get_alias_set): Try to complete ODR type via ODR type hash lookup.
1489         * ipa-devirt.c (prevailing_odr_type): New.
1490         * ipa-utils.h (previaling_odr_type): Declare.
1491
1492 2019-05-31  H.J. Lu  <hongjiu.lu@intel.com>
1493             Hongtao Liu  <hongtao.liu@intel.com>
1494
1495         PR target/89355
1496         * config/i386/i386-features.c (rest_of_insert_endbranch): Remove
1497         NOTE_INSN_DELETED_LABEL check.
1498
1499 2019-05-31  Prachi Godbole  <prachi.godbole@imgtec.com>
1500             Robert Suchanek  <robert.suchanek@mips.com>
1501
1502         * config/mips/mips.c (mips_expand_builtin_insn): Swap the 1st
1503         and 3rd operands of the fmadd/fmsub/maddv builtin.
1504
1505 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1506
1507         * tree.h (OMP_CLAUSE__CONDTEMP__ITER): Define.
1508         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1509         on OMP_SIMD if not nested inside of worksharing loop that also has
1510         lastprivate conditional clause for the same decl.
1511         (gimplify_omp_for): Add _condtemp_ clauses to OMP_SIMD if needed.
1512         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_ also
1513         on simd.
1514         (lower_rec_input_clauses): Likewise.  Handle lastprivate conditional
1515         on simd construct.
1516         (lower_lastprivate_conditional_clauses): Handle lastprivate conditional
1517         on simd construct.
1518         (lower_lastprivate_clauses): Likewise.
1519         (lower_omp_sections): Call lower_lastprivate_conditional_clauses before
1520         calling lower_rec_input_clauses.
1521         (lower_omp_for): Likewise.
1522         (lower_omp_1): Use first rather than second OMP_CLAUSE__CONDTEMP_
1523         clause on simd construct.
1524         * omp-expand.c (expand_omp_simd): Initialize cond_var if
1525         OMP_CLAUSE__CONDTEMP_ clause is present.
1526
1527         * omp-low.c (lower_rec_simd_input_clauses): Set TREE_THIS_NOTRAP on
1528         ivar and lvar.
1529
1530 2019-05-31  Xiong Hu Luo  <luoxhu@linux.ibm.com>
1531
1532         PR c/43673
1533         * c-format.c (print_char_table, scanf_char_table): Replace BADLEN with
1534         TEX_D32, TEX_D64 or TEX_D128.
1535
1536 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1537
1538         * match.pd (~(vec?cst1:cst2)): New transformation.
1539
1540 2019-05-31  Marc Glisse  <marc.glisse@inria.fr>
1541
1542         * match.pd (X/[ex]D<Y/[ex]D): Handle negative denominator.
1543         ((size_t)(A /[ex] B) CMP C): New transformation.
1544
1545 2019-05-31  Richard Sandiford  <richard.sandiford@arm.com>
1546
1547         * doc/md.texi: Document define_insn_and_rewrite.
1548         * rtl.def (DEFINE_INSN_AND_REWRITE): New rtx code.
1549         * gensupport.c (queue_elem): Update comment.
1550         (replace_operands_with_dups): New function.
1551         (gen_rewrite_sequence): Likewise.
1552         (process_rtx): Handle DEFINE_INSN_AND_REWRITE.
1553         * read-rtl.c (apply_subst_iterator): Likewise.
1554         (add_condition_to_rtx, named_rtx_p): Likewise.
1555         (rtx_reader::read_rtx_operand): Likewise.
1556         * config/aarch64/aarch64-sve.md
1557         (while_ult<GPI:mode><PRED_ALL:mode>_cc): Rename to...
1558         (*while_ult<GPI:mode><PRED_ALL:mode>_cc): ...this and use
1559         define_insn_and_rewrite.
1560         (*cond_<optab><mode>_any): Turn into define_insn_and_rewrites.
1561         Remove separate define_split.
1562
1563 2019-05-31  Jan Hubicka  <jh@suse.cz>
1564
1565         * tree-ssa-alias.c (type_has_components_p): New function.
1566         (aliasing_component_refs_p): Use it.
1567
1568 2019-05-31  Martin Liska  <mliska@suse.cz>
1569
1570         * gdbhooks.py: Add const_tree to TreePrinter.
1571
1572 2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>
1573
1574         PR debug/86964
1575         * common.opt (feliminate-unused-debug-symbols): Enable by default.
1576         * doc/invoke.texi (Debugging Options): Document new default of
1577         -feliminate-unused-debug-symbols and remove restriction to 'stabs'.
1578
1579 2019-05-31  Jakub Jelinek  <jakub@redhat.com>
1580
1581         PR tree-optimization/90671
1582         * tree-ssa-threadupdate.c (ssa_create_duplicates): If
1583         template_block used to be empty on the first call, don't use
1584         gsi_split_seq_after and gsi_insert_seq_after, but remember whole
1585         seq with bb_seq and set it with set_bb_seq.
1586
1587 2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>
1588
1589         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1590
1591 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1592             Michael Meissner  <meissner@linux.ibm.com>
1593
1594         * config/rs6000/predicates.md (pcrel_address): New define_predicate.
1595         (prefixed_mem_operand): Likewise.
1596         (non_prefixed_mem_operand): Likewise.
1597         * config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
1598         prototype.
1599         * config/rs6000/rs6000.c (print_operand_address): Handle
1600         PC-relative addresses.
1601         (mode_supports_prefixed_address_p): New function.
1602         (rs6000_prefixed_address): New function.
1603         * config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
1604         (SYMBOL_REF_PCREL_P): Likewise.
1605
1606 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1607
1608         * gimplify.c (enum gimplify_omp_var_data): Add GOVD_CONDTEMP.
1609         (gimplify_adjust_omp_clauses_1): Handle GOVD_CONDTEMP.
1610         (gimplify_omp_for): If worksharing loop with lastprivate conditional
1611         is nested inside of parallel region, add _condtemp_ clause to both.
1612         * tree-nested.c (convert_nonlocal_omp_clauses,
1613         convert_local_omp_clauses): Ignore OMP_CLAUSE__CONDTEMP_ instead of
1614         assertion failure.
1615         * omp-general.h (struct omp_for_data): Add have_pointer_condtemp
1616         member.
1617         * omp-general.c (omp_extract_for_data): Compute it.
1618         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE__CONDTEMP_.
1619         (lower_rec_input_clauses): Likewise.
1620         (lower_lastprivate_conditional_clauses): If OMP_CLAUSE__CONDTEMP_
1621         clause is already present, just add one further one after it.
1622         (lower_lastprivate_clauses): Handle cond_ptr with array type.
1623         (lower_send_shared_vars): Clear _condtemp_ vars.
1624         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle target data like critical
1625         or section or taskgroup.
1626         * omp-expand.c (determine_parallel_type): Disallow combining only if
1627         first OMP_CLAUSE__CONDTEMP_ has pointer type.  Disallow combining
1628         of parallel sections if OMP_CLAUSE__CONDTEMP_ is present.
1629         (expand_omp_for_generic, expand_omp_for_static_nochunk,
1630         expand_omp_for_static_chunk, expand_omp_for): Use
1631         fd->have_pointer_condtemp instead of fd->lastprivate_conditional to
1632         determine if a special set of API routines are needed and if condtemp
1633         needs to be initialized, while always initialize cond_var if
1634         fd->lastprivate_conditional is non-zero.
1635
1636 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1637             Michael Meissner  <meissner@linux.ibm.com>
1638
1639         * config/rs6000/constraints.md (eI): New constraint.
1640         * config/rs6000/predicates.md (cint34_operand): New predicate.
1641         * config/rs6000/rs6000.h (SIGNED_16BIT_OFFSET_P): New #define.
1642         (SIGNED_34BIT_OFFSET_P): Likewise.
1643         * doc/md.texi (eI): Document constraint.
1644
1645 2019-05-30  Sylvia Taylor  <sylvia.taylor@arm.com>
1646
1647         * config/aarch64/aarch64-sve.md (*fabd<mode>3): New.
1648
1649 2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
1650             Michael Meissner  <meissner@linux.ibm.com>
1651
1652         * rs6000-cpus.def (OTHER_FUSION_MASKS): New #define.
1653         (ISA_3_0_MASKS_SERVER): Mask off OTHER_FUSION_MASKS.
1654         (ISA_3_0_MASKS_IEEE): Remove OPTION_MASK_DIRECT_MOVE.
1655         (ISA_FUTURE_MASKS_SERVER): Add OPTION_MASK_PREFIXED_ADDR.
1656         (OTHER_FUTURE_MASKS): Likewise.
1657         (POWERPC_MASKS): Likewise.
1658         * rs6000.c (rs6000_option_override_internal): Error if -mpcrel is
1659         specified without -mprefixed-addr or -mcpu=future.  Error if
1660         -mprefixed-addr is specified without -mcpu=future.
1661         (rs6000_opt_masks): Add entry for prefixed-addr.
1662         * rs6000.opt (mprefixed-addr): New option.
1663
1664 2019-05-30  Sam Tebbs  <sam.tebbs@arm.com>
1665
1666         * aarch64/aarch64.c (aarch64_post_cfi_startproc): Add
1667         cfun->is_thunk check.
1668
1669 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
1670
1671         * tree-predcom.c (is_inv_store_elimination_chain): Fix a typo - lenght
1672         to length.
1673
1674 2019-05-30  Martin Liska  <mliska@suse.cz>
1675
1676         * gdbinit.in: Fix 'ptc' command.  Add trt
1677         that prints TREE_TYPE($).
1678
1679 2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
1680             Alan Modra  <amodra@gmail.com>
1681
1682         * config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
1683         calls here...
1684         (rs6000_indirect_call_template_1): ...and here.
1685         (rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
1686         plt16_ha, plt16_lo, mtctr indirect calls.  Use
1687         rs6000_pltseq_enum.
1688         (rs6000_decl_ok_for_sibcall): New function.
1689         (rs6000_function_ok_for_sibcall): Refactor.
1690         (rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
1691         (rs6000_call_aix): Don't emit toc restore rtl for indirect calls
1692         when pcrel.  Reorganize.
1693         (rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
1694         * rs6000.h (rs6000_pltseq_enum): New enum.
1695         * rs6000.md (UNSPEC_PLT_PCREL): New unspec.
1696         (*pltseq_tocsave): Use rs6000_pltseq_enum.
1697         (*pltseq_plt16_ha): Likewise.
1698         (*pltseq_plt16_lo): Likewise.
1699         (*pltseq_mtctr): Likewise.
1700         (*pltseq_plt_pcrel): New insn.
1701         (*call_local_aix): Handle @notoc calls.
1702         (*call_value_local_aix): Likewise.
1703         (*call_nonlocal_aix): Adjust lengths for pcrel calls.
1704         (*call_value_nonlocal_aix): Likewise.
1705         (*call_indirect_pcrel): New insn.
1706         (*call_value_indirect_pcrel): Likewise.
1707
1708
1709 2019-05-29  Uroš Bizjak  <ubizjak@gmail.com>
1710
1711         * config/i386/sse.md (*save_multiple<mode>): Rename from
1712         save_multiple<mode>.
1713         (*restore_multiple<mode>): Rename from restore_multiple<mode>.
1714         (*restore_multiple_and_return<mode>): Rename from
1715         restore_multiple_and_return<mode>.
1716         (*restore_multiple_leave_return<mode>): Rename from
1717         restore_multiple_leave_return<mode>.
1718
1719 2019-05-29  Yoshinori Sato  <ysato@users.sourceforge.jp>
1720
1721         * config.gcc (rx-*-linux*): New target.
1722         * config/rx/elf.opt: New file.
1723         * config/rx/linux.h: Likewise.
1724         * config/rx/t-linux: Likewise.
1725         * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
1726         make it zero.
1727         * config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
1728         (ASM_APP_OFF): Likewise.
1729         * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
1730         moved elsewhere.
1731
1732 2019-05-29  Jan Hubicka  <jh@suse.cz>
1733
1734         * tree-ssa-alias.c (same_type_for_tbaa): Return ture if main
1735         variants are pointer equivalent.
1736
1737 2019-05-29  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1738
1739         * config/aarch64/aarch64-c.c: Added TARGET_SVE2.
1740         * config/aarch64/aarch64-sve2.md: New file.
1741         (<u>avg<mode>3_floor): New pattern.
1742         (<u>avg<mode>3_ceil): Likewise.
1743         (*<sur>h<addsub><mode>): Likewise.
1744         * config/aarch64/aarch64.h: Added AARCH64_ISA_SVE2 and TARGET_SVE2.
1745         * config/aarch64/aarch64.md: Include aarch64-sve2.md.
1746
1747 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1748
1749         PR bootstrap/90543
1750         * optc-save-gen.awk: In cl_optimization_print, use correct condition
1751         for var_opt_string printing.  In cl_optimization_print_diff, print
1752         (null) instead of invoking undefined behavior if one of the
1753         var_opt_string pointers is NULL and use && instead of first || in the
1754         guarding condition.  For var_target_other options, handle const char *
1755         target variables similarly to const char * optimize node variables.
1756
1757 2019-05-29  Sam Tebbs  <sam.tebbs@arm.com>
1758
1759         * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add
1760         AARCH64_PAUTH_BUILTIN_AUTIB1716 and AARCH64_PAUTH_BUILTIN_PACIB1716.
1761         * config/aarch64/aarch64-builtins.c (aarch64_init_pauth_hint_builtins):
1762         Add autib1716 and pacib1716 initialisation.
1763         * config/aarch64/aarch64-builtins.c (aarch64_expand_builtin): Add checks
1764         for autib1716 and pacib1716.
1765         * config/aarch64/aarch64-protos.h (aarch64_key_type,
1766         aarch64_post_cfi_startproc): Define.
1767         * config/aarch64/aarch64-protos.h (aarch64_ra_sign_key): Define extern.
1768         * config/aarch64/aarch64.c (aarch64_handle_standard_branch_protection,
1769         aarch64_handle_pac_ret_protection): Set default sign key to A.
1770         * config/aarch64/aarch64.c (aarch64_expand_epilogue,
1771         aarch64_expand_prologue): Add check for b-key.
1772         * config/aarch64/aarch64.c (aarch64_ra_sign_key,
1773         aarch64_post_cfi_startproc, aarch64_handle_pac_ret_b_key): Define.
1774         * config/aarch64/aarch64.h (TARGET_ASM_POST_CFI_STARTPROC): Define.
1775         * config/aarch64/aarch64.c (aarch64_pac_ret_subtypes): Add "b-key".
1776         * config/aarch64/aarch64.md (unspec): Add UNSPEC_AUTIA1716,
1777         UNSPEC_AUTIB1716, UNSPEC_AUTIASP, UNSPEC_AUTIBSP, UNSPEC_PACIA1716,
1778         UNSPEC_PACIB1716, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1779         * config/aarch64/aarch64.md (do_return): Add check for b-key.
1780         * config/aarch64/aarch64.md (<pauth_mnem_prefix>sp): Replace
1781         pauth_hint_num_a with pauth_hint_num.
1782         * config/aarch64/aarch64.md (<pauth_mnem_prefix>1716): Replace
1783         pauth_hint_num_a with pauth_hint_num.
1784         * config/aarch64/aarch64.opt (msign-return-address=): Deprecate.
1785         * config/aarch64/iterators.md (PAUTH_LR_SP): Add UNSPEC_AUTIASP,
1786         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1787         * config/aarch64/iterators.md (PAUTH_17_16): Add UNSPEC_AUTIA1716,
1788         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716.
1789         * config/aarch64/iterators.md (pauth_mnem_prefix): Add UNSPEC_AUTIA1716,
1790         UNSPEC_AUTIB1716, UNSPEC_PACIA1716, UNSPEC_PACIB1716, UNSPEC_AUTIASP,
1791         UNSPEC_AUTIBSP, UNSPEC_PACIASP, UNSPEC_PACIBSP.
1792         * config/aarch64/iterators.md (pauth_hint_num_a): Replace
1793         UNSPEC_PACI1716 and UNSPEC_AUTI1716 with UNSPEC_PACIA1716 and
1794         UNSPEC_AUTIA1716 respectively.
1795         * config/aarch64/iterators.md (pauth_hint_num_a): Rename to pauth_hint_num
1796         and add UNSPEC_PACIBSP, UNSPEC_AUTIBSP, UNSPEC_PACIB1716, UNSPEC_AUTIB1716.
1797         * doc/invoke.texi (-mbranch-protection): Add b-key type.
1798         * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Rename
1799         UNSPEC_PACISP to UNSPEC_PACIASP and UNSPEC_PACIBSP.
1800
1801 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1802
1803         * gimplify.c (struct gimplify_omp_ctx): Add clauses member.
1804         (gimplify_scan_omp_clauses): Initialize ctx->clauses.
1805         (gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
1806         explicit clause on combined parallel into implicit shared clause.
1807         (gimplify_adjust_omp_clauses): Move lastprivate conditional clause
1808         and firstprivate if the decl has one too from combined parallel to
1809         the worksharing construct.
1810
1811 2019-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1812             Michael Meissner  <meissner@linux.ibm.com>
1813
1814         * config/rs6000/rs6000-cpus.def (OTHER_FUTURES_MASK): New #define.
1815
1816 2019-05-28  Michael Meissner  <meissner@linux.ibm.com>
1817
1818         * rtl.h (LABEL_REF_P): New #define.
1819
1820 2019-05-28  John David Anglin  <danglin@gcc.gnu.org>
1821
1822         * config/pa/pa.c (hppa_profile_hook): Remove offset adjustment.
1823
1824 2019-05-28  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1825
1826         * internal-fn.c: Marked mask_load_direct as vectorizable.
1827         * tree-data-ref.c (data_ref_compare_tree): Fixed comment typo.
1828         * tree-vect-data-refs.c (can_group_stmts_p): Allow masked loads to be
1829         combined even if masks different with allow_slp_p param.
1830         (vect_analyze_data_ref_accesses): Mark SLP only vectorizable groups.
1831         * tree-vect-loop.c (vect_dissolve_slp_only_groups): New function to
1832         dissolve SLP-only vectorizable groups when SLP has been discarded.
1833         (vect_analyze_loop_2): Call vect_dissolve_slp_only_groups when needed.
1834         * tree-vect-slp.c (vect_get_and_check_slp_defs): Check masked loads
1835         masks.
1836         (vect_build_slp_tree_1): Fixed comment typo.
1837         (vect_build_slp_tree_2): Include masks from masked loads in SLP tree.
1838         * tree-vect-stmts.c (vectorizable_load): Allow vectorizaion of masked
1839         loads for SLP only.
1840         * tree-vectorizer.h (_stmt_vec_info): Added flag for SLP-only
1841         vectorizable.
1842         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Likewise.
1843
1844 2019-05-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1845
1846         * config/alpha/alpha.c [TARGET_ABI_OSF] (alpha_output_mi_thunk_osf):
1847         Remove obsolete use_thunk reference.
1848         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1849         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1850         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1851         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1852         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1853         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1854         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1855         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1856         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1857
1858 2019-05-28  Nathan Sidwell  <nathan@acm.org>
1859
1860         * tree.h (IDENTIFIER_ANON_P): New.
1861         (anon_aggrname_format, anon_aggname_p): Don't declare.
1862         (make_anon_name): Declare.
1863         * lto-streamer-out.c (DFS::DFS_write_tree_body): Use IDENTIFIER_ANON_P.
1864         (hash_tree): Likewise.
1865         * tree-streamer-out.c (write_ts_decl_minimal_tree): Likewise.
1866         * tree.c (anon_aggrname_p, anon_aggrname_format): Delete.
1867         (anon_cnt, make_anon_name): New.
1868
1869 2019-05-28  Martin Liska  <mliska@suse.cz>
1870
1871         PR other/90315
1872         * opts-global.c (decode_options): Print help for all
1873         help_option_arguments.
1874         * opts.c (print_help): Add new argument.
1875         (common_handle_option): Remember all values into
1876         help_option_arguments.
1877         * opts.h (print_help): Add new argument.
1878
1879 2019-05-28  Martin Liska  <mliska@suse.cz>
1880
1881         PR ipa/90555
1882         * ipa-icf-gimple.c (func_checker::compare_loops): New function.
1883         * ipa-icf-gimple.h (func_checker::compare_loops): Likewise.
1884         (func_checker::compare_bb): Call compare_loops.
1885
1886 2019-05-27  Jakub Jelinek  <jakub@redhat.com>
1887
1888         * gimplify.c (gimplify_scan_omp_clauses): Allow lastprivate conditional
1889         on sections construct.
1890         * omp-low.c (lower_lastprivate_conditional_clauses): Handle sections
1891         construct.
1892         (lower_omp_sections): Handle lastprivate conditional.
1893         (lower_omp_1) <case GIMPLE_ASSIGN>: Handle sections construct with
1894         lastprivate_conditional_map.
1895         * omp-expand.c (expand_omp_sections): Handle lastprivate conditional.
1896
1897         * omp-low.c (lower_omp_1) <case GIMPLE_ASSIGN>: Look through ordered,
1898         critical, taskgroup and section regions when looking for a region
1899         with non-NULL lastprivate_conditional_map.
1900
1901 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1902
1903         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
1904         (*ix86_gen_sub3): Ditto.
1905         (*ix86_gen_sub3_carry): Ditto.
1906         (*ix86_gen_one_cmpl2): Ditto.
1907         (*ix86_gen_andsp): Ditto.
1908         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
1909         (gen_and2_insn): New static function.
1910         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
1911         Use gen_add3_insn instead of ix86_gen_add3.
1912         (ix86_expand_split_stack_prologue): Use gen_add2_insn
1913         instead of ix86_gen_add3.
1914         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
1915         Use gen_sub3_insn instead of ix86_gen_sub3.
1916         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
1917         instead of ix86_gen_add3.
1918         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
1919         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
1920         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
1921         * config/i386/i386-options.c (ix86_option_override_internal):
1922         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
1923         ix86_gen_one_cmpl2 and ix86_gen_andsp.
1924
1925 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
1926
1927         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
1928         and DW_OP_GNU_const_index opcodes.
1929
1930 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
1931
1932         * config/i386/i386.h (STACK_SIZE_MODE): Define.
1933
1934 2019-05-27  Richard Biener  <rguenther@suse.de>
1935
1936         PR tree-optimization/90637
1937         * tree-ssa-sink.c (statement_sink_location): Honor the
1938         computed sink location for single-uses.
1939
1940 2019-05-27  Richard Biener  <rguenther@suse.de>
1941
1942         PR middle-end/90610
1943         * match.pd (vec_perm): Avoid clobbering op0 when not generating
1944         a bit-insert.
1945
1946 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1947
1948         * config/i386/i386.md (@sub<mode>3_carry): Rename
1949         from sub<mode>3_carry.
1950         (@leave_<mode>): New expander.
1951         (*leave): Rename from leave.
1952         (*leave_rex64): Rename from leave_rex64.
1953         (@monitorx_<mode>): Rename from monitorx_<mode>.
1954         (@clzero_<mode>): Rename from clzero_<mode>.
1955         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
1956         from sse3_monitor_<mode>.
1957         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
1958         (*ix86_gen_leave): Ditto.
1959         (*ix86_gen_monitor): Ditto.
1960         (*ix86_gen_monitorx): Ditto.
1961         (*ix86_gen_clzero): Ditto.
1962         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
1963         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
1964         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
1965         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
1966         Use gen_sse3_monitor instead of ix86_gen_monitor.
1967         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
1968         instead of ix86_gen_monitorx.
1969         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
1970         instead of ix86_gen_clzero.
1971         * config/i386/i386-options.c (ix86_option_override_internal):
1972         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
1973         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
1974
1975 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1976
1977         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
1978         Rename from tls_global_dynamic_64_<mode>.
1979         (@tls_local_dynamic_base_64_<mode>): Rename from
1980         tls_local_dynamic_base_64_<mode>.
1981         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
1982         Remove indirect function.
1983         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
1984         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
1985         instead of ix86_gen_tls_global_dynamic_64.
1986         Use gen_tls_local_dynamic_base_64 instead of
1987         ix86_gen_tls_local_dynamic_base_64.
1988         * config/i386/i386-options.c (ix86_option_override_internal):
1989         Do not initialize ix86_gen_tls_global_dynamic_64 and
1990         ix86_gen_tls_local_dynamic_base_64.
1991
1992 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
1993
1994         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
1995         Rename from pro_epilogue_adjust_stack_<mode>_add.
1996         (@pro_epilogue_adjust_stack_sub_<mode>)
1997         Rename from pro_epilogue_adjust_stack_<mode>_sub.
1998         (@allocate_stack_worker_probe_<mode>):
1999         Rename from allocate_stack_worker_probe_<mode>.
2000         (allocate_stack): Use gen_allocate_stack_worker_probe.
2001         (probe_stack): Use gen_probe_stack_1.
2002         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
2003         (@adjust_stack_and_probe_<mode>): Rename from
2004         adjust_stack_and_probe<mode>.
2005         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
2006         (stack_protect_set): Use gen_stack_protect_set_1.
2007         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
2008         (stack_protect_test): Use gen_stack_protect_test_1.
2009         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
2010         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
2011         Remove indirect function.
2012         (*ix86_gen_adjust_stack_and_probe): Ditto.
2013         (*ix86_gen_probe_stack_range): Ditto.
2014         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
2015         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
2016         (ix86_adjust_stack_and_probe_stack_clash): Use
2017         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
2018         (ix86_adjust_stack_and_probe): Ditto.
2019         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
2020         of ix86_gen_probe_stack_range.
2021         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
2022         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
2023         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
2024         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
2025         CODE_FOR_stack_protect_test_{si,di}.
2026         * config/i386/i386-options.c (ix86_option_override_internal):
2027         Do not initialize ix86_gen_allocate_stack_worker,
2028         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2029
2030 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
2031
2032         * doc/invoke.texi (Link Options): Many editorial changes around
2033         -flinker-output.
2034
2035 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2036
2037         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
2038         pre-Solaris 11 referene and most Studio compiler details.
2039
2040 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
2041
2042         PR target/90530
2043         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
2044         DImode to SImode in floating-point registers on 64-bit target.
2045         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
2046         register_operand in xmpyu patterns.
2047
2048 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2049
2050         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
2051         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
2052         OMP_CLAUSE__REDUCTEMP_.
2053         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
2054         OMP_CLAUSE__CONDTEMP_.
2055         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
2056         * tree-pretty-print.c (dump_omp_clause): Likewise.
2057         * tree-nested.c (convert_nonlocal_omp_clauses,
2058         convert_local_omp_clauses): Likewise.
2059         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
2060         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
2061         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
2062         on OMP_FOR.
2063         (gimplify_omp_for): Warn and disable conditional modifier from
2064         lastprivate on loop iterators.
2065         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
2066         member.
2067         * omp-general.c (omp_extract_for_data): Initialize it.
2068         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
2069         member.
2070         (delete_omp_context): Delete it.
2071         (lower_lastprivate_conditional_clauses): New function.
2072         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
2073         handle lastprivate conditional clauses.
2074         (lower_reduction_clauses): Add CLIST argument, emit it into
2075         the critical section if any.
2076         (lower_omp_sections): Adjust lower_lastprivate_clauses and
2077         lower_reduction_clauses callers.
2078         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
2079         to lower_lastprivate_clauses.
2080         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
2081         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
2082         clist into a critical section if not emitted there already by
2083         lower_reduction_clauses.
2084         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
2085         callers.
2086         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
2087         conditional variables.
2088         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
2089         clause is present.
2090         (expand_omp_for_generic, expand_omp_for_static_nochunk,
2091         expand_omp_for_static_chunk): Handle lastprivate conditional.
2092         (expand_omp_for): Handle fd.lastprivate_conditional like
2093         fd.have_reductemp.
2094
2095 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2096
2097         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
2098         kernel does not exit cleanly.
2099         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
2100
2101 2019-05-24  Jason Merrill  <jason@redhat.com>
2102
2103         Revert:
2104         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2105
2106 2019-05-24  Richard Biener  <rguenther@suse.de>
2107
2108         PR testsuite/90607
2109         * tree-loop-distribution.c (struct partition): Add location
2110         member.
2111         (partition_alloc): Initialize all fields.
2112         (generate_memset_builtin): Use the location recorded in the
2113         partition for the generated call.
2114         (generate_memcpy_builtin): Likewise.
2115         (classify_partition): Record the location of a single store
2116         as location for the partition.
2117
2118 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
2119
2120         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
2121         for lo-part.
2122
2123 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
2124
2125         PR target/90588
2126         * common/config/aarch64/aarch64-common.c
2127         (aarch64_rewrite_selected_cpu): Change local temporary variable
2128         type from unsigned long to uint64_t.
2129         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
2130         aarch64_get_extension_string_for_isa_flags): Change declaration to
2131         match new definition by replacing unsigned long with uint64_t.
2132
2133 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
2134
2135         PR target/90568
2136         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
2137         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
2138         Handle stack_protect_test_<mode> codegen similarly to corresponding
2139         sub instruction.
2140
2141 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
2142
2143        * config/i386/darwin.h: Reject -mfentry*.
2144        * doc/sourcebuild.texi: Document mfentry target support.
2145
2146 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2147
2148         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
2149         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
2150         false for PC-relative functions.
2151         (rs6000_output_function_prologue): Change called function name to
2152         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
2153         name,1" for PC-relative functions.
2154         (rs6000_elf_declare_function_name): Change called function name to
2155         rs6000_global_entry_point_prologue_needed_p.
2156
2157 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
2158
2159         PR target/90552
2160         * config/i386/i386.c (gen_rtx_cost):
2161         Use ix86_tune_cost instead of ix86_cost.
2162
2163 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2164             Michael Meissner  <meissner@linux.ibm.com>
2165             Segher Boessenkool  <segher@kernel.crashing.org>
2166
2167         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
2168         OPTION_MASK_PCREL.
2169         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
2170         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
2171         (rs6000_fndecl_pcrel_p): Likewise.
2172         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
2173         error if -mpcrel is requested without -mcpu=future.
2174         (rs6000_opt_masks): Add entry for pcrel.
2175         (rs6000_fndecl_pcrel_p): New function.
2176         (rs6000_pcrel_p): Likewise.
2177         * config/rs6000/rs6000.opt (mpcrel): New option.
2178         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
2179
2180 2019-05-23  Jan Hubicka  <jh@suse.cz>
2181             Martin Liska  <mliska@suse.cz>
2182
2183         PR tree-optimization/90576
2184         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
2185         poly_int_tree_p.
2186         (aliasing_component_refs_p): Fix three way size compare conditional;
2187         give up earlier in case we can not decide on equivalence.
2188
2189 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
2190             Michael Meissner  <meissner@linux.ibm.com>
2191             Segher Boessenkool  <segher@kernel.crashing.org>
2192
2193         * config.gcc: Add future cpu.
2194         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
2195         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
2196         #define.
2197         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
2198         (RS6000_CPU): New instantiation for future cpu.
2199         * config/rs6000/rs6000-opts.h (enum processor_type): Add
2200         PROCESSOR_FUTURE.
2201         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
2202         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
2203         * config/rs6000/rs6000-tables.opt: Regenerate.
2204         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
2205         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
2206         (rs6000_machine_from_flags): Handle future cpu.
2207         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
2208         PROCESSOR_POWER9 for now.
2209         (rs6000_adjust_cost): Likewise.
2210         (rs6000_issue_rate): Likewise.
2211         (rs6000_register_move_cost): Likewise.
2212         (rs6000_opt_masks): Add entry for future.
2213         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
2214         (MASK_FUTURE): New #define.
2215         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
2216         * config/rs6000/rs6000.opt (mfuture): New target option.
2217         * doc/invoke.texi (mcpu): Add future cpu.
2218
2219 2019-05-23  Martin Liska  <mliska@suse.cz>
2220
2221         PR c++/90587
2222         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
2223         operation points to a temporary (pointed via tree_to_wide_ref)
2224         that is out of scope after the &.
2225
2226 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
2227
2228         PR c++/90592
2229         * doc/extend.texi (Function Names): Add missing word.
2230
2231 2019-05-23  Richard Biener  <rguenther@suse.de>
2232
2233         PR tree-optimization/88440
2234         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
2235         at -O[2s]+.
2236         * tree-loop-distribution.c (generate_memset_builtin): Fold the
2237         generated call.
2238         (generate_memcpy_builtin): Likewise.
2239         (distribute_loop): Pass in whether to only distribute patterns.
2240         (prepare_perfect_loop_nest): Also allow size optimization.
2241         (pass_loop_distribution::execute): When optimizing a loop
2242         nest for size allow pattern replacement.
2243
2244 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
2245
2246         PR target/90568
2247         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
2248         of xor.
2249
2250 2019-05-23  Martin Liska  <mliska@suse.cz>
2251
2252         PR sanitizer/90570
2253         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
2254         expression similarly to gimplify_decl_expr.
2255
2256 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2257
2258         * cse.c (cse_dump_path): s/dump_file/f.
2259
2260 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
2261
2262         PR c++/90462
2263         * diagnostic-format-json.cc: Include "selftest.h".
2264         (json_from_expanded_location): Only add "file" key for non-NULL
2265         file strings.
2266         (json_from_location_range): Don't add "start" and "finish"
2267         children if they are UNKNOWN_LOCATION.
2268         (selftest::test_unknown_location): New selftest.
2269         (selftest::test_bad_endpoints): New selftest.
2270         (selftest::diagnostic_format_json_cc_tests): New function.
2271         * json.cc (json::object::get): New function.
2272         (selftest::test_object_get): New selftest.
2273         (selftest::json_cc_tests): Call it.
2274         * json.h (json::object::get): New decl.
2275         * selftest-run-tests.c (selftest::run_tests): Call
2276         selftest::diagnostic_format_json_cc_tests.
2277         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
2278         decl.
2279
2280 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
2281             Andrew Stubbs  <amd@codesourcery.com>
2282
2283         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
2284         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
2285         (kernel): Rename to...
2286         (main_kernel): ... this.
2287         (load_image): Load _init_array and _fini_array kernels.
2288         (run): Add argument for kernel to run.
2289         (main): Run init_array_kernel before main_kernel, and
2290         fini_array_kernel after.
2291         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
2292         amdgpu_hsa_kernel attribute on functions.
2293         (gcn_disable_constructors): Delete.
2294         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
2295         * config/gcn/crt0.c (size_t): Define.
2296         (_init_array, _fini_array): New.
2297         (__preinit_array_start, __preinit_array_end,
2298         __init_array_start, __init_array_end,
2299         __fini_array_start, __fini_array_end): Declare weak references.
2300
2301 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
2302
2303         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
2304
2305 2019-05-22  Jason Merrill  <jason@redhat.com>
2306
2307         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
2308
2309 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
2310
2311         PR target/88483
2312         * config/i386/i386-options.c (ix86_init_machine_status): Set
2313         stack_frame_required to true.
2314         * config/i386/i386.c (ix86_get_frame_size): New function.
2315         (ix86_frame_pointer_required): Replace get_frame_size with
2316         ix86_get_frame_size.
2317         (ix86_compute_frame_layout): Likewise.
2318         (ix86_find_max_used_stack_alignment): Changed to void.  Set
2319         stack_frame_required.
2320         (ix86_finalize_stack_frame_flags): Always call
2321         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
2322         ix86_get_frame_size.
2323         * config/i386/i386.h (machine_function): Add stack_frame_required.
2324
2325 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
2326
2327         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
2328
2329 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
2330
2331         * common/config/aarch64/aarch64-common.c
2332         (struct aarch64_option_extension, struct processor_name_to_arch,
2333         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
2334         aarch64_contains_opt,
2335         aarch64_get_extension_string_for_isa_flags): Change type of
2336         variables storing flags to uint64_t.
2337         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
2338         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
2339         * config/aarch64/aarch64.c (struct processor,
2340         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
2341         aarch64_validate_march, aarch64_override_options,
2342         aarch64_option_print, aarch64_handle_attr_isa_flags,
2343         aarch64_declare_function_name, aarch64_start_file): Make flag
2344         variables uint64_t.
2345         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
2346         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
2347         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
2348         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
2349         * config/aarch64/driver-aarch64.c
2350         (struct aarch64_arch_extension, struct aarch64_core_data,
2351         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
2352         flag variables uint64_t.
2353         * doc/invoke.texi: Add documentation for new arguments.
2354
2355 2019-05-22  Richard Biener  <rguenther@suse.de>
2356
2357         * alias.c (ao_ref_from_mem): Move stack-slot sharing
2358         rewrite ...
2359         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
2360
2361 2019-05-22  Martin Liska  <mliska@suse.cz>
2362
2363         PR lto/90500
2364         * doc/extend.texi: Document the change.
2365
2366 2019-05-22  Richard Biener  <rguenther@suse.de>
2367
2368         PR tree-optimization/90450
2369         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
2370         (mem_ref_hasher::equal): Check it.
2371         (mem_ref_alloc): Initialize it.
2372         (gather_mem_refs_stmt): Set it.
2373
2374 2019-05-22  Richard Biener  <rguenther@suse.de>
2375
2376         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
2377         Add ABS_EXPR.
2378         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
2379         as ABSU_EXPR.
2380
2381 2019-05-22  Alan Modra  <amodra@gmail.com>
2382
2383         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
2384         (ASM_CPU_SPEC): Conditionally add -many.
2385         * config/rs6000/rs6000.c (rs6000_machine): New static var.
2386         (rs6000_machine_from_flags, emit_asm_machine): New functions..
2387         (rs6000_file_start): ..extracted from here, and modified to
2388         test all ISA bits.
2389         (rs6000_output_function_prologue): Emit .machine as necessary.
2390         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
2391         power mnemonics.
2392         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
2393         added by check_vect_support_and_set_flags.
2394         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
2395         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
2396
2397 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
2398
2399         PR middle-end/90553
2400         * ira-lives.c (process_bb_node_lives): Consider defs
2401         for a call insn to be die before the call, not after.
2402
2403         * function.c (assign_parm_setup_block): Raise alignment of
2404         stacked parameter only for STRICT_ALIGNMENT targets.
2405
2406 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2407
2408         * config/rs6000/constraints.md (define_register_constraint "wz"):
2409         Delete.
2410         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2411         RS6000_CONSTRAINT_wz.
2412         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2413         (rs6000_init_hard_regno_mode_ok): Adjust.
2414         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
2415         * doc/md.texi (Machine Constraints): Adjust.
2416
2417 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2418
2419         * config/rs6000/constraints.md (define_register_constraint "wl"):
2420         Delete.
2421         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2422         RS6000_CONSTRAINT_wl.
2423         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2424         (rs6000_init_hard_regno_mode_ok): Adjust.
2425         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
2426         * doc/md.texi (Machine Constraints): Adjust.
2427
2428 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2429
2430         * config/rs6000/constraints.md (define_register_constraint "wm"):
2431         Delete.
2432         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2433         RS6000_CONSTRAINT_wm.
2434         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2435         (rs6000_init_hard_regno_mode_ok): Adjust.
2436         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
2437         * doc/md.texi (Machine Constraints): Adjust.
2438
2439 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2440
2441         * config/rs6000/constraints.md (define_register_constraint "wk"):
2442         Delete.
2443         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2444         RS6000_CONSTRAINT_wk.
2445         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2446         (rs6000_init_hard_regno_mode_ok): Adjust.
2447         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
2448         * doc/md.texi (Machine Constraints): Adjust.
2449
2450 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2451
2452         * config/rs6000/constraints.md (define_register_constraint "wj"):
2453         Delete.
2454         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2455         RS6000_CONSTRAINT_wj.
2456         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2457         (rs6000_init_hard_regno_mode_ok): Adjust.
2458         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
2459         (VS_64dm): Delete.
2460         * config/rs6000/vsx.md: Ditto.
2461         * doc/md.texi (Machine Constraints): Adjust.
2462
2463 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
2464
2465         * config/rs6000/constraints.md (define_register_constraint "wh"):
2466         Delete.
2467         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2468         RS6000_CONSTRAINT_wh.
2469         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2470         (rs6000_init_hard_regno_mode_ok): Adjust.
2471         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
2472         * doc/md.texi (Machine Constraints): Adjust.
2473
2474 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2475
2476         PR target/90547
2477         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
2478         Avoid calling gen_lowpart with CONST operand.
2479
2480 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
2481
2482         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
2483         field template_last_to_copy.
2484         (ssa_create_duplicates): Set it, and use it.  Attempt to
2485         preserve more debug stmts.
2486
2487 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/sse.md (VF1_AVX2): New mode iterator.
2490         (signbit<mode>2): New expander
2491
2492 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
2493
2494         PR bootstrap/87338
2495         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
2496         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
2497
2498 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
2499
2500         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
2501         %ebx and %ecx bafore calling cpuid with leaf 1 or
2502         non-constant leaf argument.
2503
2504 2019-05-21  Alan Modra  <amodra@gmail.com>
2505
2506         PR target/90545
2507         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
2508         power9 direct move cost.
2509         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
2510         Correct comments and rename functions to suit parameters.
2511
2512 2019-05-21  Richard Biener  <rguenther@suse.de>
2513
2514         PR middle-end/90510
2515         * fold-const.c (fold_read_from_vector): New function.
2516         * fold-const.h (fold_read_from_vector): Declare.
2517         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
2518         single-element insert permutations.  Canonicalize selector
2519         further and fix issue with last commit.
2520
2521 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2522
2523         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
2524         parameter with default value false to declaration.
2525         (split_edges_for_insertion): New inline function.  Wrapper for
2526         split_critical_edges with for_edge_insertion_p = true.
2527         * tree-cfg.c (split_critical_edges): Don't split non-critical
2528         edges if for_edge_insertion_p is false.  Fix whitespace.
2529         * tree-ssa-pre.c (pass_pre::execute): Call
2530         split_edges_for_insertion instead of split_critical_edges.
2531         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
2532         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
2533         (pass_data_sink_code): Update function name in the comment.
2534
2535 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
2536
2537         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
2538         around is_value_included_in that knows how to handle BIT_AND_EXPR.
2539         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
2540         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
2541         positives.
2542
2543 2019-05-21  Martin Liska  <mliska@suse.cz>
2544
2545         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
2546         an extra newline.
2547         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
2548         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
2549         vec_lvsr.
2550         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2551         Quote a C type.
2552         (rs6000_function_arg): Likewise.
2553         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
2554         (rs6000_expand_ternop_builtin): Use interval syntax.
2555         (get_element_number): Likewise.
2556         (altivec_expand_builtin): Likewise.
2557         (rs6000_get_function_versions_dispatcher): Quote target_clones.
2558
2559 Fix test-suite.
2560
2561 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2562
2563         PR c++/59813
2564         PR target/90418
2565         * function.h (struct function): Add calls_eh_return member.
2566         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
2567         gimplifying __builtin_eh_return call.
2568         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
2569         to cfun.
2570         (expand_call_inline): Or in src_cfun->calls_eh_return into
2571         dst_cfun->calls_eh_return.
2572         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
2573         cfun->calls_eh_return.
2574         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
2575         * lto-streamer-out.c (output_struct_function_base): Write
2576         calls_eh_return.
2577
2578 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
2579
2580         PR rtl-optimization/43147
2581         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
2582         IX86_BUILTIN_SHUFPD.
2583
2584 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2585
2586         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
2587         (refs_may_alias_p_1): ... here; update stats.
2588         (refs_may_alias_p): Do not update stats here.
2589
2590 2019-05-20  Richard Biener  <rguenther@suse.de>
2591
2592         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
2593         doesn't produce pointers.
2594         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
2595         the first operand points to.
2596
2597 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
2598
2599         * tree-ssa-alias.c (compare_sizes): New function.
2600         (sompare_type_sizes): New function
2601         (aliasing_component_refs_p): Use it.
2602         (indirect_ref_may_alias_decl_p): Likewise.
2603
2604 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2605
2606         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
2607
2608 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2609
2610         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
2611         (LIBLSAN_EARLY_SPEC): Likewise.
2612         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
2613
2614 2019-05-20  Martin Liska  <mliska@suse.cz>
2615
2616         * config/i386/i386.c (ix86_libc_has_fast_function):
2617         Add ATTRIBUTE_UNUSED for the argument.
2618
2619 2019-05-20  Richard Biener  <rguenther@suse.de>
2620
2621         * gimple-match-head.c: Include vec-perm-indices.h.
2622         * generic-match-head.c: Likewise.
2623         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
2624         is included.
2625         * fold-const.c (fold_vec_perm): Export.
2626         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
2627         (match.pd): ...here.
2628
2629 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
2630
2631         * cfgloop.h (struct loop): Add simdlen member.
2632         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
2633         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
2634         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
2635         as new argument to autovectorize_vector_sizes target hook.  If
2636         loop->simdlen, pick up vector size where the vectorization factor
2637         is equal to loop->simd, and if there is none, fall back to the first
2638         successful one.
2639         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
2640         caller.
2641         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2642         * omp-general.c (omp_max_vf): Likewise.
2643         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
2644         * tree-vect-slp.c (vect_slp_bb): Likewise.
2645         * target.def (autovectorize_vector_sizes): Add ALL argument and
2646         document it.
2647         * doc/tm.texi: Adjust documentation.
2648         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
2649         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
2650         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
2651         bool argument.
2652         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
2653         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
2654         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
2655         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
2656         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
2657         preferred vector size is not 512-bit or 256-bit, just put those
2658         unpreferred ones last.
2659
2660 2019-05-20  Martin Liska  <mliska@suse.cz>
2661
2662         * targhooks.c (default_libc_has_fast_function): New function.
2663         * targhooks.h (default_libc_has_fast_function): Likewise.
2664
2665 2019-05-20  Martin Liska  <mliska@suse.cz>
2666
2667         PR middle-end/90263
2668         * builtins.c (expand_builtin_memory_copy_args): When having a
2669         target with fast mempcpy implementation do now use memcpy.
2670         * config/i386/i386.c (ix86_libc_has_fast_function): New.
2671         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
2672         * doc/tm.texi: Likewise.
2673         * doc/tm.texi.in: Likewise.
2674         * target.def:
2675         * expr.c (emit_block_move_hints): Add 2 new arguments.
2676         * expr.h (emit_block_move_hints): Bail out when libcall
2677         to memcpy would be used.
2678
2679 2019-05-20  Martin Liska  <mliska@suse.cz>
2680
2681         * profile-count.c: Add vertical spacing in order
2682         to separate functions.
2683         * profile-count.h: Likewise.
2684
2685 2019-05-20  Martin Liska  <mliska@suse.cz>
2686
2687         * profile-count.h: Do not use full qualified
2688         names if possible.
2689         * profile-count.c (profile_count::to_frequency): Likewise.
2690
2691 2019-05-20  Martin Liska  <mliska@suse.cz>
2692
2693         * profile-count.h (enum profile_quality): Use capital letters
2694         for enum value names.  Use the adjusted names.
2695         * profile-count.c: Use the adjusted names.
2696
2697 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2698
2699         * config/rs6000/constraints.md (define_register_constraint "wH"):
2700         Delete.
2701         (define_register_constraint "wI"): Delete.
2702         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2703         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
2704         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2705         (rs6000_init_hard_regno_mode_ok): Adjust.
2706         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
2707         resp. "d", or with "wa" as appropriate, all with "p8v".
2708         * config/rs6000/vsx.md: Ditto.
2709         * doc/md.texi (Machine Constraints): Adjust.
2710
2711 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2712
2713         * config/rs6000/constraints.md (define_register_constraint "wy"):
2714         Delete.
2715         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2716         RS6000_CONSTRAINT_wy.
2717         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2718         (rs6000_init_hard_regno_mode_ok): Adjust.
2719         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
2720         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
2721         (define_mode_attr Fisa): New.
2722         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
2723         * doc/md.texi (Machine Constraints): Adjust.
2724
2725 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2726
2727         * config/rs6000/constraints.md (define_register_constraint "wu"):
2728         Delete.
2729         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2730         RS6000_CONSTRAINT_wu.
2731         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2732         (rs6000_init_hard_regno_mode_ok): Adjust.
2733         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
2734         both with "p8v".
2735         (define_mode_attr Fa): Delete.
2736         * config/rs6000/vsx.md: Ditto.
2737         * doc/md.texi (Machine Constraints): Adjust.
2738
2739 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2740
2741         * config/rs6000/constraints.md (define_register_constraint "wJ"):
2742         Delete.
2743         (define_register_constraint "wK"): Delete.
2744         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2745         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
2746         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2747         (rs6000_init_hard_regno_mode_ok): Adjust.
2748         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
2749         Replace "wK" constraint by "wH" with "p9v".
2750         * config/rs6000/vsx.md: Ditto.
2751         * doc/md.texi (Machine Constraints): Adjust.
2752
2753 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2754
2755         * config/rs6000/constraints.md (define_register_constraint "wb"):
2756         Delete.
2757         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2758         RS6000_CONSTRAINT_wb.
2759         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2760         (rs6000_init_hard_regno_mode_ok): Adjust.
2761         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
2762         * config/rs6000/vsx.md: Ditto.
2763         * doc/md.texi (Machine Constraints): Adjust.
2764
2765 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
2766
2767         * config/rs6000/constraints.md (define_register_constraint "wo"):
2768         Delete.
2769         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
2770         RS6000_CONSTRAINT_wo.
2771         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
2772         (rs6000_init_hard_regno_mode_ok): Adjust.
2773         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
2774         * config/rs6000/altivec.md: Ditto.
2775         * doc/md.texi (Machine Constraints): Adjust.
2776
2777 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2778
2779         * config/darwin-c.c (darwin_register_objc_includes): Do not
2780         prepend the sysroot when building gnu-runtime header search
2781         paths.
2782
2783 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
2784
2785         * config/darwin.c (darwin_file_end): Use switch_to_section ()
2786         instead of direct output of the asm.
2787
2788 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2789
2790         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
2791         argument to be type bool (was int before).
2792         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
2793         at first use.  Use type bool for some variables.  Fix a theoretical
2794         eh_return bug for svr4.
2795
2796 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
2797
2798         * config/rs6000/rs6000.md (isa): New attribute.
2799         (enabled): New attribute.
2800
2801 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
2802
2803         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
2804         assemble_start_function and assemble_end_function.
2805
2806 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
2807
2808         PR middle-end/89433
2809         * omp-general.c (oacc_verify_routine_clauses): Change formal
2810         parameters.  Add checking if already marked with an OpenACC
2811         'routine' directive.  Adjust all users.
2812
2813         PR middle-end/89433
2814         * omp-general.c (oacc_build_routine_dims): Move some of its
2815         processing into...
2816         (oacc_verify_routine_clauses): ... this new function.
2817         * omp-general.h (oacc_verify_routine_clauses): New prototype.
2818
2819 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2820
2821         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
2822         formating of picbase labels to match other ports.
2823
2824 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
2825
2826         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
2827         in the generated code.
2828
2829 2019-05-16  Martin Sebor  <msebor@redhat.com>
2830
2831         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
2832         identifiers, keywords, operators, and types in diagnostics.  Correct
2833         quoting, spelling, and sentence capitalization issues.
2834         (expand_builtin_atomic_is_lock_free): Same.
2835         (fold_builtin_next_arg): Same.
2836         * cfgexpand.c (expand_one_var): Same.
2837         (tree_conflicts_with_clobbers_p): Same.
2838         (expand_asm_stmt): Same.
2839         (verify_loop_structure): Same.
2840         * cgraphunit.c (process_function_and_variable_attributes): Same.
2841         * collect-utils.c (collect_execute): Same.
2842         * collect2.c (maybe_run_lto_and_relink): Same.
2843         (is_lto_object_file): Same.
2844         (scan_prog_file): Same.
2845         * convert.c (convert_to_real_1): Same.
2846         * dwarf2out.c (dwarf2out_begin_prologue): Same.
2847         * except.c (verify_eh_tree): Same.
2848         * gcc.c (execute): Same.
2849         (eval_spec_function): Same.
2850         (run_attempt): Same.
2851         (driver::set_up_specs): Same.
2852         (compare_debug_auxbase_opt_spec_function): Same.
2853         * gcov-tool.c (unlink_gcda_file): Same.
2854         (do_merge): Same.
2855         (do_rewrite): Same.
2856         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
2857         * gimplify.c (gimplify_asm_expr): Same.
2858         (gimplify_adjust_omp_clauses): Same.
2859         * hsa-gen.c (gen_hsa_addr_insns): Same.
2860         (gen_hsa_insns_for_load): Same.
2861         (gen_hsa_cmp_insn_from_gimple): Same.
2862         (gen_hsa_insns_for_operation_assignment): Same.
2863         (gen_get_level): Same.
2864         (gen_hsa_alloca): Same.
2865         (omp_simple_builtin::generate): Same.
2866         (gen_hsa_atomic_for_builtin): Same.
2867         (gen_hsa_insns_for_call): Same.
2868         * input.c (dump_location_info): Same.
2869         * ipa-devirt.c (compare_virtual_tables): Same.
2870         * ira.c (ira_setup_eliminable_regset): Same.
2871         * lra-assigns.c (lra_assign): Same.
2872         * lra-constraints.c (lra_constraints): Same.
2873         * lto-streamer-in.c (lto_input_mode_table): Same.
2874         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
2875         (merge_and_complain): Same.
2876         (compile_offload_image): Same.
2877         (compile_images_for_offload_targets): Same.
2878         (debug_objcopy): Same.
2879         (run_gcc): Same.
2880         (main): Same.
2881         * opts.c (print_specific_help): Same.
2882         (parse_no_sanitize_attribute): Same.
2883         (print_help): Same.
2884         (handle_param): Same.
2885         * plugin.c (add_new_plugin): Same.
2886         (parse_plugin_arg_opt): Same.
2887         (try_init_one_plugin): Same.
2888         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
2889         operators, and types in diagnostics.  Correct quoting and spelling
2890         issues.
2891         * read-rtl-function.c (parse_edge_flag_token): Same.
2892         (function_reader::parse_enum_value): Same.
2893         * reg-stack.c (check_asm_stack_operands): Same.
2894         * regcprop.c (validate_value_data): Same.
2895         * sched-rgn.c (make_pass_sched_fusion): Same.
2896         * stmt.c (check_unique_operand_names): Same.
2897         * targhooks.c (default_target_option_pragma_parse): Same.
2898         * tlink.c (recompile_files): Same.
2899         * toplev.c (process_options): Same.
2900         (do_compile): Same.
2901         * trans-mem.c (diagnose_tm_1): Same.
2902         (ipa_tm_scan_irr_block): Same.
2903         (ipa_tm_diagnose_transaction): Same.
2904         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
2905         format a tree code name in a diagnostic.
2906         (verify_types_in_gimple_min_lval): Same.
2907         (verify_types_in_gimple_reference): Same.
2908         (verify_gimple_call): Same.
2909         (verify_gimple_assign_unary): Same.
2910         (verify_gimple_assign_binary): Same.
2911         (verify_gimple_assign_ternary): Same.
2912         (verify_gimple_assign_single): Same.
2913         (verify_gimple_switch): Same.
2914         (verify_gimple_label): Same.
2915         (verify_gimple_phi): Same.
2916         (verify_gimple_in_seq): Same.
2917         (verify_eh_throw_stmt_node): Same.
2918         (collect_subblocks): Same.
2919         (gimple_verify_flow_info): Same.
2920         (do_warn_unused_result): Same.
2921         * tree-inline.c (expand_call_inline): Same.
2922         * tree-into-ssa.c (update_ssa): Same.
2923         * tree.c (tree_int_cst_elt_check_failed): Same.
2924         (tree_vec_elt_check_failed): Same.
2925         (omp_clause_operand_check_failed): Same.
2926         (verify_type_variant): Same.
2927         (verify_type): Same.
2928         * value-prof.c (verify_histograms): Same.
2929         * varasm.c (assemble_start_function): Same.
2930
2931 2019-05-16  Martin Sebor  <msebor@redhat.com>
2932
2933         * config/i386/i386-expand.c (get_element_number): Quote keywords
2934         and other internal names in diagnostics.  Adjust other diagnostic
2935         formatting issues noted by -Wformat-diag.
2936         * config/i386/i386-features.c
2937         (ix86_mangle_function_version_assembler_name): Same.
2938         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
2939         * config/i386/i386.c (ix86_function_type_abi): Same.
2940         (ix86_function_ms_hook_prologue): Same.
2941         (classify_argument): Same.
2942         (ix86_expand_prologue): Same.
2943         (ix86_md_asm_adjust): Same.
2944         (ix86_memmodel_check): Same.
2945
2946 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2947
2948         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
2949         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
2950         and fpxx modes.
2951
2952 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         PR target/90497
2955         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
2956         intrinsics without SSE/SSE2/SSSE3.
2957         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
2958         check.
2959         (*mmx_uavgv8qi3): Likewise.
2960
2961 2019-05-17  Richard Biener  <rguenther@suse.de>
2962
2963         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
2964         VEC_PERM_EXPR as __VEC_PERM with -gimple.
2965
2966 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
2967
2968         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
2969         vec_sldw insn pattern.
2970
2971 2019-05-17  Richard Biener  <rguenther@suse.de>
2972
2973         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
2974
2975 2019-05-17  Martin Liska  <mliska@suse.cz>
2976
2977         PR driver/90496
2978         * toplev.c (output_stack_usage): With LTO and sanitizer it
2979         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
2980         has no file location.
2981
2982 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR c++/90484
2985         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
2986         sz0 is equal to sz1, instead return false in that case.
2987
2988         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
2989         has non-constant expression, force sctx.lane and use two
2990         argument IFN_GOMP_SIMD_LANE instead of single argument.
2991         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
2992         two argument IFN_GOMP_SIMD_LANE without lhs.
2993         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
2994         member.
2995         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
2996         Define.
2997         (LOOP_REQUIRES_VERSIONING): Or in
2998         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
2999         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
3000         simd_if_cond.
3001         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
3002         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
3003         from simd if clause if needed.
3004
3005 2019-05-16  Richard Biener  <rguenther@suse.de>
3006
3007         * tree-affine.c (expr_to_aff_combination): New function split
3008         out from...
3009         (tree_to_aff_combination): ... here.
3010         (aff_combination_expand): Avoid building a GENERIC tree.
3011
3012 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
3013
3014         * cgraphunit.c (cgraph_node::expand_thunk): Remove
3015         assemble_start_function and assemble_end_function calls.
3016         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
3017         assemble_start_function and assemble_end_function.
3018         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
3019         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
3020         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
3021         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
3022         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
3023         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
3024         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
3025         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
3026         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
3027         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
3028         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
3029         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
3030         Likewise.
3031         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3032         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
3033         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
3034         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
3035         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
3036         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
3037         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
3038         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
3039         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3040         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3041         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3042         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3043         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
3044         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
3045         Likewise.
3046         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
3047         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
3048         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
3049
3050 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
3051
3052         * tree-ssa-alias.c (alias_stats): Add
3053         aliasing_component_refs_p_may_alias and
3054         aliasing_component_refs_p_no_alias.
3055         (dump_alias_stats): Print aliasing_component_refs_p stats.
3056         (aliasing_component_refs_p): Update stats.
3057
3058 2019-05-16  Martin Liska  <mliska@suse.cz>
3059
3060         PR lto/90500
3061         * multiple_target.c (expand_target_clones): Do not allow
3062         target_clones being used with a symbol that is an alias.
3063
3064 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
3065
3066         PR tree-optimization/90394
3067         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
3068         positives rather than ICE for cases where (code2 == NE_EXPR
3069         && code1 == BIT_AND_EXPR).
3070
3071 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
3072
3073         PR fortran/90329
3074         * tree-core.h (struct tree_decl_common): Document
3075         decl_nonshareable_flag for PARM_DECLs.
3076         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
3077         * calls.c (expand_call): Don't try tail call if caller
3078         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
3079         passed on the stack and callee needs to pass any arguments on the
3080         stack.
3081         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
3082         else if instead of series of mutually exclusive ifs.  Handle
3083         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
3084         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3085
3086         * lto-streamer.h (LTO_major_version): Bump to 9.
3087
3088 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
3089
3090         PR tree-optimization/90106
3091         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
3092         new parameter as new internal function call, also move it to new
3093         basic block.
3094         (use_internal_fn): Pass internal function call to
3095         shrink_wrap_one_built_in_call_with_conds.
3096
3097 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
3098
3099         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
3100         max_vf to 1.
3101         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
3102         safelen_int and set loop->dont_vectorize.
3103
3104 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3105
3106         PR target/89021
3107         * config/i386/i386-builtin.def: Enable MMX intrinsics with
3108         SSE/SSE2/SSSE3.
3109         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
3110         Likewise.
3111         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
3112         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
3113         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
3114         is defined.
3115
3116 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3117
3118         PR target/89021
3119         * config/i386/mmx.md (*vec_dupv2sf): Changed to
3120         define_insn_and_split to support SSE emulation.
3121         (*vec_extractv2sf_0): Likewise.
3122         (*vec_extractv2sf_1): Likewise.
3123         (*vec_extractv2si_0): Likewise.
3124         (*vec_extractv2si_1): Likewise.
3125         (*vec_extractv2si_zext_mem): Likewise.
3126         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
3127         (vec_extractv2sf_1 splitter): Likewise.
3128         (vec_extractv2sfsf): Likewise.
3129         (vec_setv2si): Likewise.
3130         (vec_extractv2si_1 splitter): Likewise.
3131         (vec_extractv2sisi): Likewise.
3132         (vec_setv4hi): Likewise.
3133         (vec_extractv4hihi): Likewise.
3134         (vec_setv8qi): Likewise.
3135         (vec_extractv8qiqi): Likewise.
3136         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3137         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
3138         (vec_extractv2sisi): Likewise.
3139         (vec_extractv4hihi): Likewise.
3140         (vec_extractv8qiqi): Likewise.
3141         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
3142         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
3143         (vec_initv2sisi): Likewise.
3144         (vec_initv4hihi): Likewise.
3145         (vec_initv8qiqi): Likewise.
3146         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
3147         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
3148         (vec_setv4hi): Likewise.
3149         (vec_setv8qi): Likewise.
3150
3151 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3152
3153         PR target/89021
3154         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
3155         TARGET_MMX_WITH_SSE.
3156         (MMXMODE:*mov<mode>_internal): Likewise.
3157         (MMXMODE:movmisalign<mode>): Likewise.
3158
3159 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
3160
3161         PR target/89021
3162         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
3163         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
3164         (sse2_cvtpd2pi): Ditto.
3165         (sse2_cvttpd2pi): Ditto.
3166         (*vec_concatv2sf_sse4_1): Ditto.
3167         (*vec_concatv2sf_sse): Ditto.
3168         (*vec_concatv2si_sse4_1): Ditto.
3169         (*vec_concatv2si): Ditto.
3170         (*vec_concatv4si_0): Ditto.
3171         (*vec_concatv2di_0): Ditto.
3172
3173 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3174
3175         PR target/89021
3176         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
3177
3178 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3179
3180         PR target/89021
3181         * config/i386/sse.md (ssse3_palignrdi): Changed to
3182         define_insn_and_split to support SSE emulation.
3183
3184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3185
3186         PR target/89021
3187         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
3188
3189 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         PR target/89021
3192         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
3193         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3194         SSE emulation.
3195
3196 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3197
3198         PR target/89021
3199         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
3200         or TARGET_MMX_WITH_SSE.
3201         (*ssse3_pmulhrswv4hi3): 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_pmaddubsw): Add SSE emulation.
3207
3208 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3209
3210         PR target/89021
3211         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
3212         Changed to define_insn_and_split to support SSE emulation.
3213
3214 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3215
3216         PR target/89021
3217         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
3218         Changed to define_insn_and_split to support SSE emulation.
3219
3220 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3221
3222         PR target/89021
3223         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
3224         (*mmx_<emms>): This.
3225         (mmx_<emms>): New expander.
3226
3227 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3228
3229         PR target/89021
3230         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
3231         support.
3232         (*sse2_umulv1siv1di3): 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 (sse_movntq): Add SSE2 emulation.
3238
3239 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3240
3241         PR target/89021
3242         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
3243
3244 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3245
3246         PR target/89021
3247         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
3248         TARGET_MMX_WITH_SSE.
3249         (*mmx_uavgv4hi3): Add SSE emulation.
3250
3251 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3252
3253         PR target/89021
3254         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
3255         and TARGET_MMX_WITH_SSE.
3256         (*mmx_uavgv8qi3): Add SSE emulation.
3257
3258 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3259
3260         PR target/89021
3261         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
3262         maskmovdqu for __MMX_WITH_SSE__.
3263
3264 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3265
3266         PR target/89021
3267         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
3268         TARGET_MMX and TARGET_MMX_WITH_SSE.
3269         (*mmx_umulv4hi3_highpart): Add SSE emulation.
3270
3271 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3272
3273         PR target/89021
3274         * config/i386/mmx.md (mmx_pmovmskb): Changed to
3275         define_insn_and_split to support SSE emulation.
3276
3277 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3278
3279         PR target/89021
3280         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
3281         and TARGET_MMX_WITH_SSE.
3282         (mmx_<code>v8qi3): Likewise.
3283         (smaxmin:<code>v4hi3): New.
3284         (umaxmin:<code>v8qi3): Likewise.
3285         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
3286         (umaxmin:*mmx_<code>v8qi3): Likewise.
3287
3288 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3289
3290         PR target/89021
3291         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
3292         TARGET_MMX_WITH_SSE.
3293         (*mmx_pinsrw): Add SSE emulation.
3294
3295 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3296
3297         PR target/89021
3298         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
3299
3300 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3301
3302         PR target/89021
3303         * config/i386/sse.md (sse_cvtpi2ps): Changed to
3304         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
3305         SSE emulation.
3306
3307 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3308
3309         PR target/89021
3310         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
3311         (sse_cvttps2pi): Likewise.
3312
3313 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3314
3315         PR target/89021
3316         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
3317         TARGET_MMX_WITH_SSE.
3318         (mmx_pshufw_1): Add SSE emulation.
3319         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
3320         TARGET_MMX_WITH_SSE to support SSE emulation.
3321
3322 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3323
3324         PR target/89021
3325         * config/i386/constraints.md (Yw): New constraint.
3326         * config/i386/mmx.md (*vec_dupv2si): Changed to
3327         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
3328         support SSE emulation.
3329
3330 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3331
3332         PR target/89021
3333         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
3334         TARGET_MMX_WITH_SSE.
3335         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3336         support.
3337         (mmx_gt<mode>3): Likewise.
3338
3339 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3340
3341         PR target/89021
3342         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
3343         TARGET_MMX_WITH_SSE.  Add SSE support.
3344
3345 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3346
3347         PR target/89021
3348         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
3349         TARGET_MMX_WITH_SSE.
3350         (any_logic:<code><mode>3): New.
3351         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
3352         Add SSE support.
3353
3354 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3355
3356         PR target/89021
3357         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
3358         TARGET_MMX_WITH_SSE.  Add SSE emulation.
3359         (mmx_<shift_insn><mode>3): Likewise.
3360         (ashr<mode>3): New.
3361         (<shift_insn><mode>3): Likewise.
3362
3363 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3364
3365         PR target/89021
3366         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
3367         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
3368
3369 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3370
3371         PR target/89021
3372         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
3373         TARGET_MMX_WITH_SSE.
3374         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
3375         SSE support.
3376
3377 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3378
3379         PR target/89021
3380         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
3381         TARGET_MMX_WITH_SSE.
3382         (mulv4hi3): New.
3383         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
3384         support.
3385
3386 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3387
3388         PR target/89021
3389         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
3390         (plusminus:mmx_<plusminus_insn><mode>3): Check
3391         TARGET_MMX_WITH_SSE.
3392         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
3393         (<plusminus_insn><mode>3): New.
3394         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
3395         (*mmx_<plusminus_insn><mode>3): Likewise.
3396
3397 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3398
3399         PR target/89021
3400         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
3401         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
3402         prototype.
3403         * config/i386/mmx.m (mmx_punpckhbw): Changed to
3404         define_insn_and_split to support SSE emulation.
3405         (mmx_punpcklbw): Likewise.
3406         (mmx_punpckhwd): Likewise.
3407         (mmx_punpcklwd): Likewise.
3408         (mmx_punpckhdq): Likewise.
3409         (mmx_punpckldq): Likewise.
3410
3411 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3412             Uros Bizjak  <ubizjak@gmail.com>
3413
3414         PR target/89021
3415         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
3416         New function.
3417         (ix86_split_mmx_pack): Likewise.
3418         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
3419         New prototype.
3420         (ix86_split_mmx_pack): Likewise.
3421         * config/i386/i386.md (mmx_isa): New.
3422         (enabled): Also check mmx_isa.
3423         * config/i386/mmx.md (any_s_truncate): New code iterator.
3424         (s_trunsuffix): New code attr.
3425         (mmx_packsswb): Removed.
3426         (mmx_packssdw): Likewise.
3427         (mmx_packuswb): Likewise.
3428         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
3429         MMX packsswb/packuswb with SSE2.
3430         (mmx_packssdw): Likewise.
3431         * config/i386/predicates.md (register_mmxmem_operand): New.
3432
3433 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
3434
3435         PR target/89021
3436         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3437         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
3438         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
3439         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
3440         (ix86_vector_mode_supported_p): Likewise.
3441         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
3442
3443 2019-05-15  Martin Liska  <mliska@suse.cz>
3444
3445         PR middle-end/90478
3446         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3447         Check for overflow.
3448
3449 2019-05-15  Richard Biener  <rguenther@suse.de>
3450
3451         * tree-into-ssa.c (pass_build_ssa::execute): Run
3452         update_address_taken before going into SSA.
3453
3454 2019-05-15  Richard Biener  <rguenther@suse.de>
3455
3456         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
3457         as __BIT_FIELD_REF with type with -gimple.
3458
3459 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
3460
3461         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
3462         semantically equivalent branches (left over after prior refactorings).
3463
3464 2019-05-15  Richard Biener  <rguenther@suse.de>
3465
3466         PR tree-optimization/88828
3467         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
3468         bogus check.
3469
3470 2019-05-14  Richard Biener  <rguenther@suse.de>
3471
3472         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
3473         as __VIEW_CONVERT with -gimple.
3474
3475 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3476
3477         PR target/82920
3478         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
3479         Darwin.
3480
3481 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3482
3483         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
3484         define_split to become a define_insn_and_split.
3485
3486 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
3487
3488         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
3489         arguments.
3490         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
3491         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
3492         (sibcall_epilogue): Adjust.
3493         (epilogue): Adjust.
3494
3495 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3496
3497         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
3498         to unsupported ones.
3499         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
3500         * config.host: Likewise.
3501         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
3502         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
3503         __svr4__]: Remove "brand" fallback.
3504         [!KSTAT_DATA_STRING]: Remove.
3505         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
3506         to *-*-solaris2*.
3507         (comdat_group): Likewise.
3508         (set_have_as_tls): Likewise.
3509         (gcc_cv_target_dl_iterate_phdr): Likewise.
3510         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
3511         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
3512         * configure: Regenerate.
3513         * doc/install.texi: Simplify Solaris target triplets.
3514         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
3515         (Specific, *-*-solaris2*): Document Solaris 10 removal.
3516         Remove Solaris 10 references.
3517         Remove obsolete Solaris bug reference.
3518         (Specific, sparc-sun-solaris2.10): Remove.
3519
3520 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
3521
3522         * config/i386/i386.md (any_div): New code iterator.
3523         (paired_mod): New code attribute.
3524         (sgnprefix): Handle DIV and UDIV RTXes.
3525         (u): Ditto.
3526         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
3527         and udivmod<mode>4 patterns using any_div code iterator.
3528         (divmod splitters): Macroize splitters using any_div code iterator.
3529         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
3530         (*udivmodsi4_pow2_zext_2): Ditto.
3531         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
3532         and *udivmod<mode>4_noext patterns using any_div code iterator.
3533         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
3534         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
3535         patterns using any_div code iterator.
3536         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
3537         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
3538         patterns using any_div code iterator.
3539         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
3540         udivmodhiqi3 patterns using any_extend code iterator.
3541
3542 2019-05-14  Richard Biener  <rguenther@suse.de>
3543             H.J. Lu  <hongjiu.lu@intel.com>
3544
3545         PR tree-optimization/88828
3546         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
3547         permuting in a single non-constant element not extracted
3548         from a vector.
3549
3550 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
3551
3552         * internal-fn.def (SIGNBIT): New.
3553         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
3554         defined.
3555         (signbitv4sf2): Likewise.
3556
3557 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
3558
3559         PR target/90357
3560         * config/mips/mips.c (mips_split_move): Skip forward SRC into
3561         next insn when the SRC reg is dead.
3562
3563 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
3564
3565         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
3566         (alloc_cand_and_find_basis): Ditto.
3567         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
3568         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
3569         (create_add_imm_cand, slsr_process_cast): Ditto.
3570         (slsr_process_copy, replace_mult_candidate): Ditto.
3571         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
3572         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
3573         (pass_strength_reduction::execute): Init the first NULL element.
3574
3575 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3576
3577         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
3578         (run_attempt): Reformat line break.
3579
3580 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
3581
3582         PR target/90418
3583         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
3584         data registers in sibcall epilogues.
3585         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3586
3587 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
3588
3589         PR target/89221
3590         * configure.ac (--enable-frame-pointer):
3591         Disable by default for cygwin and mingw.
3592         * configure: Regenerate.
3593
3594 2019-05-13  Nathan Sidwell  <nathan@acm.org>
3595
3596         * dwarf2out.c (breakout_comdat_types): Move comment to correct
3597         piece of code.
3598         (const_ok_for_output_1): Balance parens around #if/#else/#endif
3599         (gen_member_die): Move abstract origin check earlier.  Only VARs
3600         can be static_inline_p.  Simplify splicing control flow.
3601
3602 2019-05-13  Richard Biener  <rguenther@suse.de>
3603
3604         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
3605         VIEW_CONVERT_EXPR.
3606         (vect_build_slp_tree_1): Likewise.
3607
3608 2019-05-13  Richard Biener  <rguenther@suse.de>
3609
3610         PR tree-optimization/90402
3611         * tree-if-conv.c (tree_if_conversion): Value number only
3612         the loop body by making the latch an exit of the region
3613         as well.
3614         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
3615         processing PHIs.
3616         (do_rpo_vn): Deal with multiple edges into the entry block
3617         that are not backedges inside the region by skipping PHIs
3618         of the entry block.
3619
3620 2019-05-13  Richard Biener  <rguenther@suse.de>
3621
3622         PR tree-optimization/90316
3623         * tree-ssa-pre.c (insert_aux): Fold into ...
3624         (insert): ... this function.  Use a RPO walk to reduce the
3625         number of required iterations.
3626
3627 2019-05-13  Martin Liska  <mliska@suse.cz>
3628
3629         PR tree-optimization/90416
3630         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
3631         string instead of passing the second part as va_arg argument.
3632
3633 2019-05-13  Martin Liska  <mliska@suse.cz>
3634
3635         PR gcov-profile/90380
3636         * gcov.c (handle_cycle): Do not support zero cycle count,
3637         it should not be possible.
3638         (path_contains_zero_cycle_arc): New function.
3639         (circuit): Ignore zero cycle arc counts.
3640
3641 2019-05-13  Martin Liska  <mliska@suse.cz>
3642
3643         PR gcov-profile/90380
3644         * gcov.c (enum loop_type): Remove the enum and
3645         the operator.
3646         (handle_cycle): Assert that we should not reach
3647         a negative count.
3648         (circuit): Use loop_found instead of a tri-state loop_type.
3649         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
3650         happen.
3651
3652 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3653
3654         PR target/82920
3655         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
3656         (ix86_output_indirect_branch_via_reg): Use output mechanism
3657         accounting for __USER_LABEL_PREFIX__.
3658         (ix86_output_indirect_branch_via_push): Likewise.
3659         (ix86_output_function_return): Likewise.
3660         (ix86_output_indirect_function_return): Likewise.
3661
3662 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
3663
3664         * doc/md.texi: Document use of code attributes in rtx patterns.
3665         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
3666         * read-rtl.c (find_code): Split out search loops into...
3667         (maybe_find_code): ...this new function.
3668         (check_code_iterator): Make the error message more informative.
3669         (check_code_attribute): New function.
3670         (rtx_reader::rtx_alloc_for_name): Likewise.
3671         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
3672         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
3673         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
3674         <max_opp> directly as an rtx code instead of via a match_operator.
3675         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
3676         (<su>abd<mode>_3): Update accordingly.
3677
3678 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
3679
3680         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
3681         is given, print the state of the EH "save world" computation for
3682         Darwin.
3683
3684 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
3685
3686         PR c++/59813
3687         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
3688         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
3689
3690 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
3691
3692         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
3693         Use pinsrd for TARGET_SSE4_1.
3694         * config/i386/sse.md (movdi_to_sse): Ditto.
3695
3696 2019-05-10  Richard Biener  <rguenther@suse.de>
3697
3698         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
3699         (do_rpo_vn): Initialize next_value_id.
3700
3701 2019-05-10  Martin Liska  <mliska@suse.cz>
3702
3703         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3704         Fix plural form.
3705
3706 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
3707
3708         PR tree-optimization/90385
3709         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
3710         arguments of the exit phis.
3711
3712         PR c++/90383
3713         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
3714         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
3715         id->do_not_fold.
3716         (copy_tree_body_r): Likewise.
3717         (copy_fn): Set id.do_not_fold to true.
3718
3719 2019-05-10  Martin Liska  <mliska@suse.cz>
3720
3721         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
3722         Reapply changes from r269790.
3723
3724 2019-05-10  Martin Liska  <mliska@suse.cz>
3725
3726         PR middle-end/90340
3727         * doc/invoke.texi: New params.
3728         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
3729         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
3730         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
3731         Use it.
3732         * tree-switch-conversion.h (struct jump_table_cluster):
3733         Likewise.
3734
3735 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
3736
3737         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
3738
3739 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
3740
3741         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
3742
3743 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
3744
3745         PR rtl-optimization/88879
3746         * sel-sched.c (sel_target_adjust_priority): Remove assert.
3747
3748 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
3749
3750         PR target/90405
3751         * config/arm/arm.c (callee_saved_reg_p): Move before
3752         thumb_find_work_register.
3753         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
3754         thumb_find_work_register.  Only call df_get_live_out once.
3755         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
3756         (thumb_find_work_register): Use
3757         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
3758         algorithms to locate a spare call clobbered reg.
3759
3760 2019-05-09  Martin Liska  <mliska@suse.cz>
3761
3762         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
3763         and MAX_EXPR in GIMPLE FE format.
3764
3765 2019-05-09  Martin Liska  <mliska@suse.cz>
3766
3767         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
3768         * gimple-pretty-print.c (dump_gimple_bb_header):
3769         Dump BB count.
3770         (pp_cfg_jump): Dump edge probability.
3771         * profile-count.c (profile_quality_as_string): Simplify
3772         with a static array.
3773         (parse_profile_quality): New function.
3774         (profile_count::dump): Simplify with a static array.
3775         (profile_count::from_gcov_type): Add new argument.
3776         * profile-count.h (parse_profile_quality): Likewise.
3777         * predict.h (set_hot_bb_threshold): New.
3778         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
3779         New param.
3780         * predict.c (get_hot_bb_threshold): Set from the new param.
3781         (set_hot_bb_threshold): New.
3782
3783 2019-05-09  Richard Biener  <rguenther@suse.de>
3784
3785         PR tree-optimization/90395
3786         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
3787         rewrite vector stores that throw internally.
3788
3789 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
3790
3791         * cif-code.def (CHKP): Remove.
3792
3793         PR target/89221
3794         * configure.ac (--enable-frame-pointer): Disable by default for
3795         GNU systems.
3796         * configure: Regenerate.
3797
3798 2019-05-09  Alan Modra  <amodra@gmail.com>
3799
3800         PR target/89271
3801         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
3802         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
3803         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
3804         cost for general <-> vsx when direct moves are available.
3805         Cost union classes at minimal cost for any reg in the class.
3806         Correct calculation for moves between vsx, float, and altivec.
3807         Don't return a low cost for moves between special regs.  Don't
3808         use hard coded register numbers.
3809         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
3810         (rs6000_ira_change_pseudo_allocno_class): New function.
3811         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
3812         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
3813         alternatives.
3814         (movsi_internal1): Don't disparage vector alternatives.
3815         (mov<mode>_internal): Likewise, excepting alternative that
3816         will be split.
3817         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
3818         we <- b alternative.
3819
3820 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3821
3822         PR c++/59813
3823         PR tree-optimization/89060
3824         * tree-ssa-live.h (live_vars_map): New typedef.
3825         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
3826         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
3827         (struct compute_live_vars_data): New type.
3828         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
3829         live_vars_at_stmt, destroy_live_vars): New functions.
3830         * tree-tailcall.c: Include tree-ssa-live.h.
3831         (live_vars, live_vars_vec): New global variables.
3832         (find_tail_calls): Perform variable life analysis before punting.
3833         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
3834         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
3835         member.
3836         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
3837         Perform variable life analysis to select variables that really need
3838         clobbers added.
3839         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
3840         instead set id->eh_landing_pad_dest and assert it is the same.
3841         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
3842
3843 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
3844             Richard Earnshaw  <rearnsha@arm.com>
3845
3846         PR target/88167
3847         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
3848         function.
3849         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
3850         (thumb1_compute_save_core_reg_mask): Don't force a spare work
3851         register if both the epilogue and prologue can use call-clobbered
3852         regs.
3853         (thumb1_unexpanded_epilogue): Use
3854         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
3855         picking temporaries for restoring high regs to match that of the
3856         prologue where possible.
3857         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
3858         the list of work registers.  Detect if the return address is still live
3859         at the end of the prologue and avoid using it for a work register if so.
3860         If the return address is not live, add LR to the list of pushable regs
3861         after the first pass.
3862
3863 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3864
3865         PR tree-optimization/90078
3866         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
3867         (INFTY): Increase the value for infinite cost.
3868         (struct comp_cost): Promote type of members to int64_t.
3869         (infinite_cost): Don't set complexity in initialization.
3870         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
3871         overflows to infinite_cost.
3872         (adjust_setup_cost): Promote type of parameter and cost computation
3873         to int64_t.
3874         (struct ainc_cost_data, struct iv_ca): Promote type of member to
3875         int64_t.
3876         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
3877         cost computation to int64_t.
3878         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
3879         int64_t's format specifier in dump.
3880
3881 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
3882
3883         PR tree-optimization/90240
3884         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
3885         with respect to scaling factor pre-computed for each basic block.
3886         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
3887         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
3888         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
3889         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
3890         live range for array of loop's basic blocks.  Cleanup aux field of
3891         loop's basic blocks.
3892
3893 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
3894
3895         PR tree-optimization/90356
3896         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
3897
3898 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
3899
3900         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
3901         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
3902         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
3903         (ix86_handle_option): Handle -mavx512bf16.
3904         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
3905         to extra_headers.
3906         * config/i386/avx512bf16vlintrin.h: New.
3907         * config/i386/avx512bf16intrin.h: New.
3908         * config/i386/cpuid.h (bit_AVX512BF16): New.
3909         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
3910         * config/i386/i386-builtin-types.def: Add new types.
3911         * config/i386/i386-builtin.def: Add new builtins.
3912         * config/i386/i386-c.c (ix86_target_macros_internal): Define
3913         __AVX512BF16__.
3914         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
3915         (ix86_option_override_internal): Handle BF16.
3916         (ix86_valid_target_attribute_inner_p): Ditto.
3917         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
3918         * config/i386/i386-builtin.c (enum processor_features): Add
3919         F_AVX512BF16.
3920         (static const _isa_names_table isa_names_table): Ditto.
3921         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
3922         (PTA_AVX512BF16): Ditto.
3923         * config/i386/i386.opt: Add -mavx512bf16.
3924         * config/i386/immintrin.h: Include avx512bf16intrin.h
3925         and avx512bf16vlintrin.h.
3926         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
3927         avx512f_cvtneps2bf16_<mode><mask_name>,
3928         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
3929         * config/i386/subst.md (mask_half): Add new subst.
3930         * doc/invoke.texi: Document -mavx512bf16.
3931
3932 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
3933
3934         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
3935         Delete declaration.
3936         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
3937         (rs6000_debug_legitimize_reload_address): Delete.
3938         (rs6000_legitimize_reload_address_ptr): Delete.
3939         (rs6000_option_override_internal): Adjust.
3940         (mem_operand_gpr): Adjust comment.
3941         (legitimate_lo_sum_address_p): Ditto.
3942         (rs6000_legitimize_reload_address): Delete.
3943         (rs6000_debug_legitimize_reload_address): Delete.
3944         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
3945
3946 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3947
3948         PR target/89765
3949         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
3950         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
3951         to compute vector element selector for both constant and variable
3952         operands.
3953
3954 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3955
3956         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
3957         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
3958         ashrdi3_cvt using SWI48 mode iterator.
3959
3960 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
3961
3962         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
3963         (aarch64_<su>abd<mode>_3): Likewise.
3964         (*aarch64_<su>abd<mode>_3): New define_insn.
3965         (<sur>sad<vsi2qi>): New define_expand.
3966         * config/aarch64/iterators.md: Added MAX_OPP attribute.
3967         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
3968         (build_vect_cond_expr): Likewise.
3969
3970 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
3971
3972         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
3973         clobbers outside of accessible_reg_set.
3974         * config/i386/i386.c (ix86_conditional_register_usage):
3975         Disable register sets by clearing corresponding bits in
3976         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
3977         call_used_regs and don't clear corresponding reg_names array members.
3978
3979 2019-05-07  Richard Biener  <rguenther@suse.de>
3980
3981         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
3982         not specified still compute a comp_vectype for invariant
3983         compares.
3984
3985 2019-05-07  Richard Biener  <rguenther@suse.de>
3986
3987         PR tree-optimization/90316
3988         * tree-ssa-pre.c (translate_vuse_through_block): When
3989         same_valid is NULL do not bother to search for a virtual
3990         PHI continuation.
3991         (phi_translate_1): When operands changed we cannot keep
3992         the same value-number so do not bother to ask whether
3993         that's possible from translate_vuse_through_block.
3994
3995 2019-05-07  Martin Liska  <mliska@suse.cz>
3996
3997         * bitmap.c (bitmap_register): Come up with
3998         alloc_descriptor_max_uid and assign it for
3999         a new bitmap.
4000         (register_overhead): Use get_descriptor as
4001         a descriptor.
4002         (release_overhead): New.
4003         (bitmap_elem_to_freelist): Call it.
4004         (bitmap_elt_clear_from): Likewise.
4005         (bitmap_obstack_free): Likewise.
4006         (bitmap_move): Sensitively release memory.
4007         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
4008         (bitmap_initialize): Initialize alloc_descriptor to zero.
4009         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
4010
4011 2019-05-07  Richard Biener  <rguenther@suse.de>
4012
4013         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
4014         we build a SLP node.  Remove max_size and limiting.
4015         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
4016
4017 2019-05-07  Richard Biener  <rguenther@suse.de>
4018
4019         PR tree-optimization/90316
4020         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
4021         limit by reference.
4022         (walk_non_aliased_vuses): Take walking limit argument.
4023         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
4024         walking if it is reached instead of just counting.
4025         (get_continuation_for_phi): Likewise.
4026         (walk_non_aliased_vuses): Likewise, instead of leaving counter
4027         limiting to the callback.
4028         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
4029         (vn_reference_lookup_3): Likewise.
4030         (vn_reference_lookup_pieces): Likewise.
4031         (vn_reference_lookup): Likewise.
4032         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
4033         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
4034         (avail_exprs_stack::lookup_avail_expr): Likewise.
4035
4036 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
4037
4038         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
4039         for comparaible types in the second direction even if first one
4040         hits incomparable type.
4041
4042 2019-05-07  Richard Biener  <rguenther@suse.de>
4043
4044         PR lto/90369
4045         * lto-wrapper.c (debug_objcopy): Use the original filename
4046         including archive offset for the filename used for -save-temps.
4047
4048 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
4049
4050         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
4051         detection.
4052
4053 2019-05-06  H.J. Lu  <hongjiu.lu@intel.com>
4054             Hongtao Liu  <hongtao.liu@intel.com>
4055
4056         PR target/89750
4057         PR target/86444
4058         * config/i386/i386-expand.c (ix86_expand_sse_comi_round):
4059         Modified, original implementation isn't correct.
4060
4061 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4062
4063         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
4064         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
4065         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
4066         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
4067         (FRAME_POINTER_REGNUM): Change numbering.
4068         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
4069         (alt_reg_names): Adjust.
4070         (rs6000_conditional_register_usage): Don't mark hard register 64 as
4071         fixed.
4072         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4073         (DWARF_FRAME_REGISTERS): Delete.
4074         (DWARF2_FRAME_REG_OUT): Fix whitespace.
4075         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4076         Adjust.
4077         (REG_ALLOC_ORDER): Adjust.
4078         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
4079         (REG_CLASS_CONTENTS): Adjust.
4080         (RETURN_ADDR_RTX): Change comment.
4081         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
4082         instead of 67.
4083         (REGISTER_NAMES): Adjust.
4084         (ADDITIONAL_REGISTER_NAMES): Adjust.
4085         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4086
4087 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4088
4089         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
4090         Delete.
4091         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
4092         (DWARF_FRAME_REGISTERS): Adjust.
4093         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4094         Adjust.
4095         (REG_ALLOC_ORDER): Adjust.
4096         (enum reg_class): Delete SPR_REGS.
4097         (REG_CLASS_NAMES): Delete SPR_REGS.
4098         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
4099         (REGISTER_NAMES): Adjust.
4100         (ADDITIONAL_REGISTER_NAMES): Adjust.
4101         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
4102         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
4103         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
4104         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
4105         (htm_spr_regno): Delete.
4106         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
4107         argument.
4108         (rs6000_dbx_register_number): Adjust.
4109
4110 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4111
4112         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
4113
4114 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
4115
4116         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
4117         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
4118
4119 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
4120
4121         PR tree-optimization/88709
4122         PR tree-optimization/90271
4123         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
4124         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
4125         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
4126         variable.
4127         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
4128         of the store merging group is larger than
4129         PARAM_STORE_MERGING_MAX_SIZE parameter.
4130         (split_group): Add bzero_first argument.  If set, always emit first
4131         the first store which must be = {} of the whole area and then for the
4132         rest of the stores consider all zero bytes as paddings.
4133         (imm_store_chain_info::output_merged_store): Check if first store
4134         is = {} of the whole area and if yes, determine which setting of
4135         bzero_first for split_group gives smaller number of stores.  Adjust
4136         split_group callers.
4137         (lhs_valid_for_store_merging_p): Allow decls.
4138         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
4139         no elts.
4140         (pass_store_merging::process_store): Likewise.
4141
4142 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4143
4144         PR target/89424
4145         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
4146         handling of V1TImode.
4147
4148 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
4149
4150         PR target/89221
4151         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
4152         and enable_frame_pointer ...
4153         * configure.ac: ... here.  Update help strings for
4154         --enable-frame-pointer.
4155         * configure: Regenerate.
4156         * config/i386/i386-options.c (ix86_option_override_internal): Remove
4157         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
4158         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
4159         (USE_X86_64_FRAME_POINTER): Ditto.
4160
4161 2019-05-06  Martin Liska  <mliska@suse.cz>
4162
4163         * config.gcc: Append to target_gtfiles and fix indentation.
4164
4165 2019-05-06  Richard Biener  <rguenther@suse.de>
4166
4167         PR tree-optimization/90358
4168         * tree-vect-stmts.c (get_group_load_store_type): Properly
4169         detect unused upper half of load.
4170         (vectorizable_load): Likewise.
4171
4172 2019-05-06  Richard Biener  <rguenther@suse.de>
4173
4174         PR tree-optimization/88828
4175         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
4176         (simplify_vector_constructor): ...here.  Handle constants in
4177         the constructor.
4178
4179 2019-05-06  Richard Biener  <rguenther@suse.de>
4180
4181         PR tree-optimization/90328
4182         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
4183         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
4184         is valid in the loop nest before using it.
4185         (initialize_data_dependence_relation): Adjust.
4186         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
4187         loop as loop-nest to dr_may_alias_p.
4188
4189 2019-05-06  Richard Biener  <rguenther@suse.de>
4190
4191         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
4192
4193 2019-05-06  Richard Biener  <rguenther@suse.de>
4194
4195         PR tree-optimization/90316
4196         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
4197         compute target on demand.
4198         (get_continuation_for_phi): Remove code walking stmts to
4199         get to a target virtual operand which could end up being
4200         quadratic.
4201
4202 2019-05-06  Martin Liska  <mliska@suse.cz>
4203
4204         PR sanitizer/90312
4205         * config/i386/i386-options.c (ix86_option_override_internal): Error only
4206         when -mabi is selected to a non-default version.
4207
4208 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
4209             Martin Liska  <mliska@suse.cz>
4210
4211         * Makefile.in: Add lto-dump.texi.
4212         * cgraph.h: Add new functions get_visibility_string and
4213         get_symtab_type_string.
4214         * doc/gcc.texi: Include lto-dump section.
4215         * doc/lto-dump.texi: New file.
4216         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
4217         (parse_dump_option): Factor out this function.
4218         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
4219         (parse_dump_option): Export the function.
4220         * symtab.c (symtab_node::get_visibility_string): New function.
4221         (symtab_node::get_symtab_type_string): Likewise.
4222
4223 2019-05-06  Martin Liska  <mliska@suse.cz>
4224
4225         * config/i386/i386-builtins.c: New file.
4226         * config/i386/i386-builtins.h: New file.
4227         * config/i386/i386-expand.c: New file.
4228         * config/i386/i386-expand.h: New file.
4229         * config/i386/i386-features.c: New file.
4230         * config/i386/i386-features.h: New file.
4231         * config/i386/i386-options.c: New file.
4232         * config/i386/i386-options.h: New file.
4233         * config.gcc: Add new files into extra_objs and
4234         target_gtfiles.
4235         * config/i386/i386.c: Split content of the file
4236         into newly introduced files.
4237         * config/i386/i386.h: Declare common variables
4238         and macros.
4239         * config/i386/t-i386: Define dependencies for new files.
4240
4241 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
4242
4243         PR target/89400
4244         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
4245         Restrict 'all' variant to 32-bit configurations.
4246         (unaligned_loadhiu): Likewise.
4247         (unaligned_storehi): Likewise.
4248         (unaligned_storesi): Likewise.
4249         (unaligned_loadhis): Disable when compiling for thumb1.
4250
4251 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
4252
4253         PR tree-optimization/90269
4254         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
4255         Ignore clobbers.
4256
4257 2019-05-03  Martin Liska  <mliska@suse.cz>
4258
4259         * hash-map.h: Add is_empty function.
4260         * hash-set.h: Likewise.
4261         * hash-table.h: Likewise.
4262         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
4263         elements () == 0 (and similar usages).
4264         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
4265         * gimplify.c (gimplify_bind_expr): Likewise.
4266         (gimplify_switch_expr): Likewise.
4267         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
4268         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
4269         * postreload-gcse.c (dump_hash_table): Likewise.
4270         (gcse_after_reload_main): Likewise.
4271         * predict.c (combine_predictions_for_bb): Likewise.
4272         * tree-parloops.c (reduction_phi): Likewise.
4273         (separate_decls_in_region): Likewise.
4274         (transform_to_exit_first_loop): Likewise.
4275         (gen_parallel_loop): Likewise.
4276         (gather_scalar_reductions): Likewise.
4277         (try_create_reduction_list): Likewise.
4278         * var-tracking.c (dump_vars): Likewise.
4279         (emit_notes_for_changes): Likewise.
4280         (vt_emit_notes): Likewise.
4281
4282 2019-05-03  Richard Biener  <rguenther@suse.de>
4283
4284         PR tree-optimization/90316
4285         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
4286         before running VN.
4287
4288 2019-05-03  Richard Biener  <rguenther@suse.de>
4289
4290         * tree-vect-stmts.c (get_group_load_store_type): Avoid
4291         peeling for gaps by loading only lower halves of vectors
4292         if possible.
4293         (vectorizable_load): Likewise.
4294
4295 2019-05-03  Richard Biener  <rguenther@suse.de>
4296
4297         PR middle-end/89518
4298         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
4299
4300 2019-05-03  Richard Biener  <rguenther@suse.de>
4301
4302         PR middle-end/87314
4303         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
4304         Handle STRING_CST vs DECL or STRING_CST.
4305
4306 2019-05-03  Richard Biener  <rguenther@suse.de>
4307
4308         PR tree-optimization/88963
4309         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
4310         vector loads feeding only BIT_FIELD_REFs to component
4311         loads.  Rewrite stores fed by CONSTRUCTORs to component
4312         stores.
4313
4314 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
4315
4316         * opts.h (finish_options): Remove lang_mask argument.
4317         (print_help, help_option_argument): Declare.
4318         * opts.c (print_help): Remove forward declaration, no longer static.
4319         (finish_options): Remove lang_mask argument, don't call print_help
4320         here.
4321         * opts-global.c (decode_options): Adjust finish_option caller, call
4322         print_help here.
4323
4324         PR tree-optimization/90303
4325         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
4326         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
4327
4328 2019-05-03  Richard Biener  <rguenther@suse.de>
4329
4330         PR tree-optimization/89698
4331         * gimple-fold.c (canonicalize_constructor_val): Early out
4332         for constants, handle unfolded INTEGER_CSTs as they appear in
4333         C++ virtual table ctors.
4334
4335 2019-05-03  Richard Biener  <rguenther@suse.de>
4336
4337         * passes.c (execute_function_todo): Remove dead code.
4338
4339 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4340
4341         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
4342         the internal register number, for any "real" register.
4343
4344 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
4345
4346         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
4347         correct numbers for TFHAR, TFIAR, TEXASR.
4348
4349 2019-05-02  Richard Biener  <rguenther@suse.de>
4350
4351         PR tree-optimization/89653
4352         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
4353         update-address-taken before the pass.
4354         * passes.def (pass_tree_loop_init): Put comment before it.
4355
4356 2019-05-02  Richard Biener  <rguenther@suse.de>
4357
4358         PR tree-optimization/89509
4359         * tree-ssa-structalias.c (compute_dependence_clique): Look
4360         at the first subvar when determining whether it is restrict.
4361
4362 2019-05-02  Richard Biener  <rguenther@suse.de>
4363
4364         PR tree-optimization/90273
4365         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
4366         useless debug stmts.
4367
4368 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4369
4370         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
4371         ACLE branch.
4372         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
4373         SVE ACLE branch.
4374         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
4375         VEC_COND_EXPR be inserted to emulate a conditional internal function.
4376         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
4377         (vectorizable_reduction): Use the functions above to vectorize in a
4378         fully masked loop codes that don't have a conditional internal
4379         function.
4380
4381 2019-05-02  Martin Liska  <mliska@suse.cz>
4382
4383         * cgraphclones.c: Call valid_attribute_p with 1 for
4384         target_clone.
4385         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
4386         it's for target attribute.
4387         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
4388         Add new boolean argument.
4389         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
4390         Likewise.
4391         (ix86_valid_target_attribute_tree): Pass target_clone_attr
4392         to ix86_valid_target_attribute_inner_p.
4393         (ix86_valid_target_attribute_p): Pass flags argument to
4394         ix86_valid_target_attribute_inner_p.
4395         (get_builtin_code_for_version): Use 0 as it's target attribute.
4396
4397 2019-05-02  Martin Liska  <mliska@suse.cz>
4398
4399         * gcc.c (process_command): Add dummy file only
4400         if n_infiles == 0.
4401         * opts-global.c (decode_options): Pass lang_mask.
4402         * opts.c (print_help): New function.
4403         (finish_options): Print --help if help_option_argument
4404         is set.
4405         (common_handle_option): Factor out content of OPT__help_
4406         into print_help.
4407         * opts.h (finish_options): Add new argument.
4408
4409 2019-05-02  Martin Liska  <mliska@suse.cz>
4410
4411         PR target/88809
4412         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
4413         With -minline-all-stringops use inline expansion using 4B loop.
4414         * doc/invoke.texi: Document the change of
4415         -minline-all-stringops.
4416
4417 2019-05-01  Jeff Law  <law@redhat.com>
4418
4419         PR tree-optimization/88797
4420         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
4421         PHI feeds a conditional on the RHS of an assignment.
4422
4423 2019-04-30  Andrew Waterman  <andrew@sifive.com>
4424             Jim Wilson  <jimw@sifive.com>
4425
4426         * config/riscv/constraints.md (L): New.
4427         * config/riscv/predicates.md (lui_operand): New.
4428         (sfb_alu_operand): New.
4429         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
4430         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
4431         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
4432         * config/riscv/risc.md (type): Add sfb_alu.
4433         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
4434         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
4435         (branch_zero<mode>): Delete.
4436         (mov<mode>cc): New.
4437         (mov<GPR:mode><X:mode>cc): Likewise.
4438         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
4439
4440 2019-04-30  Nathan Sidwell  <nathan@acm.org>
4441
4442         * tree.h (MARK_TS_EXP): New.
4443
4444 2019-04-30  Martin Liska  <mliska@suse.cz>
4445
4446         * opts.c (enable_warning_as_error): Provide hints
4447         for unknown options.
4448
4449 2019-04-30  Martin Liska  <mliska@suse.cz>
4450
4451         PR debug/90288
4452         * doc/invoke.texi: Add missing dash for gas-locview-support
4453         and gno-as-locview-support.
4454
4455 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4456
4457         PR target/89093
4458         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
4459         whitespace at the start of target attribute string.
4460
4461 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4462
4463         PR target/86538
4464         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
4465         Define __ARM_FEATURE_ATOMICS.
4466
4467 2019-04-30  Martin Liska  <mliska@suse.cz>
4468
4469         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
4470         into built_in_function enum. Remove code for endp == 2 and
4471         use BUILT_IN_* constants.
4472         (gimple_fold_builtin): Call the function with fcode.
4473
4474 2019-04-30  Martin Liska  <mliska@suse.cz>
4475
4476         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
4477         DECL_FUNCTION_CODE into ix86_builtins enum before
4478         the switch statement.
4479
4480 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
4481
4482         PR tree-optimization/89475
4483         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
4484         calls.
4485
4486 2019-04-30  Martin Liska  <mliska@suse.cz>
4487
4488         PR translation/90274
4489         * opts.c (print_filtered_help): Wrap string in _(...).
4490
4491 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
4492
4493         PR tree-optimization/90240
4494         Revert:
4495         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4496
4497         PR tree-optimization/90078
4498         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4499         checks for infinite_cost overflow.
4500
4501 2019-04-29  Jeff Law  <law@redhat.com>
4502
4503         * passes.def: Move -Wrestrict pass after copy propagation.
4504
4505 2019-04-29  Maya Rashish  <coypu@sdf.org>
4506
4507         * config.gcc (default_gnu_indirect_function): Default to yes
4508         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
4509         sparc*-*-netbsd*, x86_64-*-netbsd*.
4510
4511 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
4512
4513         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
4514         where cond2 is NE_EXPR.
4515         (is_value_included_in): Update comment.
4516
4517 2019-04-29  Richard Biener  <rguenther@suse.de>
4518
4519         PR tree-optimization/90278
4520         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
4521         EH on comparison simplification.
4522
4523 2019-04-29  Jason Merrill  <jason@redhat.com>
4524
4525         PR c++/82081 - tail call optimization breaks noexcept
4526         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
4527         nothrow function to a might-throw function into a tail call.
4528
4529 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
4530
4531         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
4532         (DDR_INNER_LOOP): Likewise.
4533         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
4534         (initialize_data_dependence_relation): Likewise.
4535         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
4536
4537 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
4538
4539         PR rtl-optimization/90257
4540         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
4541         return value.
4542
4543         Revert the revert:
4544         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4545
4546         PR target/90178
4547         Revert:
4548         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4549
4550         Revert the revert:
4551         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4552
4553         Revert:
4554         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4555
4556         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4557
4558 2019-04-29  Richard Biener  <rguenther@suse.de>
4559
4560         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
4561         rhs issue a reset.
4562
4563 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
4564
4565         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
4566         varasm.h, and netbsd-protos.h.
4567
4568 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
4569
4570         PR target/89261
4571         * config/i386/i386-protos.h (ix86_data_alignment): Change
4572         the second argument type to unsigned int.
4573         * config/i386/i386.c (ix86_data_alignment): Change "align"
4574         argument type to unsigned int.
4575
4576 2019-04-27  Martin Liska  <mliska@suse.cz>
4577
4578         PR middle-end/90258
4579         * opt-suggestions.c (option_proposer::build_option_suggestions):
4580         When get_valid_option_values returns empty values, add the
4581         misspelling candidate.
4582
4583 2019-04-26  Jim Wilson  <jimw@sifive.com>
4584
4585         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
4586         parameter.
4587         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
4588         Pass orig_mode to riscv_build_integer.
4589         (riscv_split_integer): Pass mode to riscv_move_integer.
4590         (riscv_legitimize_const_move): Likewise.
4591         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
4592         promoted_mode.  Replace force_reg call with code to load constant into
4593         promoted reg and then subreg it for the store.
4594         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
4595         riscv_move_integer.
4596
4597 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
4598
4599         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
4600         corrupt codes.
4601
4602 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
4603
4604         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
4605         commentary about the encoding of precision.
4606
4607 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
4608
4609         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
4610         * config/i386/t-freebsd64: New file.
4611         * config.gcc: Add the t-freebsd64 for multilib support.
4612
4613 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
4614
4615         * doc/extend.texi (vector_size): Add missing comma after @xref.
4616
4617 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
4618
4619         * BASE-VER: Set to 10.0.0.
4620
4621 2019-04-25  Richard Biener  <rguenther@suse.de>
4622
4623         PR middle-end/89765
4624         * gimplify.c (gimplify_expr): Avoid turning a lvalue
4625         VIEW_CONVERT_EXPR into one operating on an rvalue.
4626
4627 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
4628
4629         PR target/89929
4630         * config/i386/i386.c (feature_priority): Moved to file scope.
4631         (processor_features): Likewise.
4632         (processor_model): Likewise.
4633         (_arch_names_table): Likewise.
4634         (arch_names_table): Likewise.
4635         (_feature_list): Removed.
4636         (feature_list): Likewise.
4637         (_isa_names_table): Moved to file scope.  Add priority.
4638         (isa_names_table): Likewise.
4639         (get_builtin_code_for_version): Replace feature_list with
4640         isa_names_table.  Update error message for P_ZERO priority.
4641
4642 2019-04-25  Richard Biener  <rguenther@suse.de>
4643
4644         * tree-pass.h (make_pass_phi_only_cprop): Remove.
4645         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
4646
4647 2019-04-24  Jeff Law  <law@redhat.com>
4648
4649         PR tree-optimization/90037
4650         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
4651         * passes.def: Replace all instance of phi-only cprop with the
4652         lattice propagator.  Move propagation pass from after erroneous
4653         path isolation to before erroneous path isolation.
4654         * tree-ssa-phionlycprop.c: Remove.
4655
4656 2019-04-24  Richard Biener  <rguenther@suse.de>
4657
4658         PR middle-end/90213
4659         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
4660         by size and BITS_PER_UNIT on poly-wide-ints.
4661
4662 2019-04-25  Richard Biener  <rguenther@suse.de>
4663
4664         PR middle-end/90194
4665         * match.pd: Add pattern to simplify view-conversion of an
4666         empty constructor.
4667
4668 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
4669
4670         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
4671         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
4672         for Go on 32 bit AIX.
4673         * config/rs6000/aix72.h: Likewise.
4674
4675 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4676
4677         PR target/90193
4678         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
4679         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
4680
4681 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
4682
4683         PR target/89952
4684         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
4685         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
4686         for restored hard frame pointer.
4687         (s390_sched_dependencies_evaluation): Implement new target hook.
4688         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
4689
4690 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
4691
4692         * config/arc/arc-options.def: Fix typos and spelling mistakes.
4693         * config/arc/arc.c (arc_init): Cleanup warning message.
4694         (arc_override_options): Likewise.
4695
4696 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
4697
4698         PR target/90187
4699         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
4700         a register if both if_true and if_false are MEMs.
4701
4702         PR tree-optimization/90208
4703         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
4704         after labels of new_bb, not before them.
4705
4706         PR tree-optimization/90211
4707         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
4708         which are not SSA_NAMEs.
4709
4710 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
4711
4712         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
4713         AArch64.
4714         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
4715
4716 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4717
4718         PR rtl-optimization/87979
4719         * modulo-sched.c (sms_schedule): Start ii value "mii" should
4720         not equal zero.
4721
4722 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
4723
4724         PR rtl-optimization/84032
4725         * modulo-sched.c (ps_insn_find_column): Change condition so that
4726         branch will always be the last insn in a row inside partial
4727         schedule.
4728
4729 2019-04-23  Richard Biener  <rguenther@suse.de>
4730
4731         PR debug/90131
4732         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
4733         dest_single_pred_p argument.
4734         (remove_forwarder_block): Adjust.
4735         (remove_forwarder_block_with_phi): Likewise.
4736
4737 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4738             Bernd Edlinger  <bernd.edlinger@hotmail.de>
4739             Jakub Jelinek  <jakub@redhat.com>
4740
4741         PR target/89093
4742         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
4743         if used with general-regs-only.
4744         (arm_conditional_register_usage): Don't add non-general regs if
4745         general-regs-only.
4746         (arm_valid_target_attribute_rec): Handle general-regs-only.
4747         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
4748         general-regs-only.
4749         (TARGET_HARD_FLOAT_SUB): Define.
4750         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
4751         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
4752         (TARGET_REALLY_IWMMXT2): Likewise.
4753         * config/arm/arm.opt: Add -mgeneral-regs-only.
4754         * doc/extend.texi: Document ARM general-regs-only target.
4755         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
4756
4757 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4758
4759         PR tree-optimization/90078
4760         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
4761         checks for infinite_cost overflow.
4762
4763 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
4764
4765         PR tree-optimization/90021
4766         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
4767         and check univariate against it.
4768         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
4769         * tree-data-ref.c (add_other_self_distances): Pass new argument.
4770
4771 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
4772
4773         PR target/90178
4774         Revert:
4775         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
4776
4777         Revert the revert:
4778         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
4779
4780         Revert:
4781         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
4782
4783         * lra-spills.c (lra_final_code_change): Remove useless move insns.
4784
4785 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
4786
4787         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
4788         names using operand format, rather than hard-wired.
4789         (speculation_barrier): Likewise.
4790
4791 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
4792
4793         PR tree-optimization/88055
4794         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
4795         (gen_one_condition): Use it if !HONOR_NANS.
4796
4797 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
4798
4799         PR middle-end/90139
4800         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
4801         assign_temp instead of gen_reg_rtx.
4802
4803 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
4804
4805         PR translation/90118
4806         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4807         Add missing space before %<.
4808
4809 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
4810
4811         PR rtl-optimization/87871
4812         * ira-lives.c (make_object_dead): Don't add conflicts to
4813         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
4814
4815 2019-04-18  Martin Sebor  <msebor@redhat.com>
4816
4817         PR middle-end/89797
4818         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
4819         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
4820         assuming type size fits in SHWI.
4821
4822 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
4823
4824         PR ipa/85051
4825         * ipa-inline.c (flatten_function): New parameter UPDATE.
4826         (ipa_inline, early_inliner): Use it.
4827
4828 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4829
4830         * fold-const.c (int_const_binop): Return early on failure.
4831
4832 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
4833
4834         PR middle-end/85164
4835         * combine.c (force_int_to_mode): Cast the argument rather than
4836         the result of known_alignment.
4837         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
4838
4839 2019-04-18  Richard Biener  <rguenther@suse.de>
4840
4841         PR debug/90131
4842         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
4843         out from ...
4844         (remove_forwarder_block): ... here.
4845         (remove_forwarder_block_with_phi): Also move debug stmts here.
4846
4847 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
4848
4849         PR translation/79183
4850         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
4851         inform where appropriate.
4852
4853 2019-04-18  Richard Biener  <rguenther@suse.de>
4854
4855         * tree.c (get_qualified_type): Put found type variants at the
4856         head of the variant list.
4857
4858 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4859
4860         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
4861
4862 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
4863
4864         PR target/90125
4865         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
4866         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
4867         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
4868         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
4869         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
4870
4871 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
4872
4873         * ira-conflicts.c (print_allocno_conflicts): Always print something,
4874         even for allocno's with no conflicts.
4875         (print_conflicts): Print an extra newline.
4876
4877 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4878
4879         * auto-inc-dec.c (attempt_change): Set the alignment of the
4880         temporary memory to that of the original.
4881
4882 2019-04-17  Joao Moreira  <jmoreira@suse.de>
4883
4884         * targhooks.c (default_print_patchable_function_entry): Emit
4885         __patchable_function_entries section with writable flags to allow
4886         relocation resolution.
4887
4888 2019-04-17  Jonny Grant  <jg@jguk.org>
4889
4890         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
4891
4892 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4893
4894         PR middle-end/90095
4895         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
4896         on lowpart SUBREGs.
4897
4898 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
4899
4900         * config/arc/arc.c (arc_init): Format diagnostic string.
4901         (arc_override_options): Likewise.
4902         (check_if_valid_regno_const): Likewise.
4903         (arc_reorg): Likewise.
4904
4905 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
4906
4907         PR target/17108
4908         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
4909         name.
4910         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
4911         name.
4912         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
4913         (*movdi_update1): Use Pmode.
4914         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
4915         (movdi_<mode>_update_stack): Rename to ...
4916         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
4917         use Pmode.
4918         (*movsi_update1): Use Pmode.
4919         (*movsi_update2): Use Pmode.
4920         (movsi_update): Rename to ...
4921         (movsi_<mode>_update): ... this.  Use Pmode.
4922         (movsi_update_stack): Fix condition.
4923         (*movhi_update1): Use Pmode.  Fix argument to
4924         avoiding_indexed_address_p.
4925         (*movhi_update2): Ditto.
4926         (*movhi_update3): Ditto.
4927         (*movhi_update4): Ditto.
4928         (*movqi_update1): Ditto.
4929         (*movqi_update2): Ditto.
4930         (*movqi_update3): Ditto.
4931         (*movsf_update1, *movdf_update1): Merge, rename to...
4932         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
4933         avoiding_indexed_address_p.  Add "size" attribute.
4934         (*movsf_update2, *movdf_update2): Merge, rename to...
4935         (*mov<mode>_update2): This.  Ditto.
4936         (*movsf_update3): Use Pmode.  Fix argument to
4937         avoiding_indexed_address_p.
4938         (*movsf_update4): Ditto.
4939         (allocate_stack): Simplify condition.  Adjust pattern names.
4940
4941 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
4942
4943         PR target/89093
4944         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
4945         whitespace at the start of target attribute string.
4946
4947 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
4948
4949         PR target/84369
4950         * config/rs6000/power9.md: Add store forwarding bypass.
4951
4952 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
4953
4954         PR debug/89528
4955         * valtrack.c (dead_debug_insert_temp): Reset debug references
4956         to the return value of a call being removed.
4957
4958 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4959
4960         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
4961         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
4962         implement target hook.
4963         (arc_memory_move_cost): New function.
4964         (TARGET_REGISTER_MOVE_COST): Define.
4965         (TARGET_MEMORY_MOVE_COST): Likewise.
4966         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
4967         (MEMORY_MOVE_COST): Likewise.
4968
4969 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4970
4971         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
4972         (sibcall_value_insn): Likewise.
4973         * config/arc/constraints.md (Rs5): Remove.
4974
4975 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
4976
4977         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
4978         for last two fake registers.
4979         (arc_conditional_register_usage): Make sure fake frame and arg
4980         pointer regs are in general regs class.
4981         (FRAME_POINTER_MASK): Remove.
4982         (RETURN_ADDR_MASK): Remove.
4983         (arc_must_save_register): Use hard frame regnum.
4984         (frame_restore_reg): Use hard_frame_pointer_rtx.
4985         (arc_save_callee_saves): Likewise.
4986         (arc_restore_callee_saves): Likewise.
4987         (arc_save_callee_enter): Likewise.
4988         (arc_restore_callee_leave): Likewise.
4989         (arc_save_callee_milli): Likewise.
4990         (arc_eh_return_address_location): Likewise.
4991         (arc_check_multi): Use hard frame regnum.
4992         (arc_can_eliminate): Likewise.
4993         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
4994         for register allocator.
4995         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
4996         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
4997         (FRAME_POINTER_REGNUM): Change it to a fake register.
4998         (HARD_FRAME_POINTER_REGNUM): Defined.
4999         (ARG_POINTER_REGNUM): Change it to a new fake register.
5000         (ELIMINABLE_REGS): Update.
5001         (REGISTER_NAMES): Update names.
5002         * config/arc/arc.md (LP_START): Remove.
5003         (LP_END): Likewise.
5004         (shift_si3_loop): Update pattern.
5005
5006 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
5007
5008         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
5009         to avoid delay slot scheduling.
5010         (arc_must_save_register): Don't save SP.
5011         * config/arc/arc.md (stack_tie): Remove.
5012         (UNSPEC_ARC_STKTIE): Likewise.
5013
5014 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
5015             Shiva Chen  <shiva0217@gmail.com>
5016
5017         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
5018         code gen with large shift amount.
5019
5020 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
5021
5022         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
5023         subreg.
5024
5025 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
5026
5027         PR target/90096
5028         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
5029         print -m64/-mx32/-m32 if it is true.
5030         (ix86_debug_options, ix86_function_specific_print): Pass true as
5031         ADD_ABI_P to ix86_target_string.
5032         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
5033         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
5034         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
5035
5036         PR rtl-optimization/90082
5037         * dce.c (can_delete_call): New function.
5038         (deletable_insn_p, mark_insn): Use it.
5039
5040         PR tree-optimization/90090
5041         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
5042         throw internally.
5043         (is_division_by_square): Likewise.  Formatting fix.
5044
5045 2019-04-16  Richard Biener  <rguenther@suse.de>
5046
5047         PR tree-optimization/56049
5048         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
5049         equality check if alias-set zero will prevail.
5050
5051 2019-04-15  Jeff Law  <law@redhat.com>
5052
5053         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
5054         size and alignment as unsigned.
5055
5056 2019-04-15  Richard Biener  <rguenther@suse.de>
5057
5058         PR debug/90074
5059         * tree-loop-distribution.c (destroy_loop): Preserve correct
5060         debug info.
5061
5062 2019-04-15  Richard Biener  <rguenther@suse.de>
5063
5064         PR tree-optimization/90071
5065         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
5066         abnormal operands from def stmts.
5067
5068 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
5069
5070         PR rtl-optimization/89794
5071         * combine.c (count_auto_inc): New function.
5072         (try_combine): Count how many auto_inc expressions there were in the
5073         original instructions.  Ensure we have the same number in the new
5074         instructions.  Remove the code that tried to ensure auto_inc side
5075         effects on i1 and i0 are not lost.
5076
5077 2019-04-15  Richard Biener  <rguenther@suse.de>
5078
5079         PR ipa/88936
5080         * tree.h (auto_var_p): Declare.
5081         * tree.c (auto_var_p): New function, split out from ...
5082         (auto_var_in_fn_p): ... here.
5083         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
5084         member.
5085         (new_var_info): Initialize it.
5086         (set_uids_in_ptset): Also set the shadow variable uid if required.
5087         (ipa_pta_execute): Postprocess points-to solutions assigning
5088         shadow variable uids for locals that may reach their containing
5089         function recursively.
5090         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
5091         assert but instead check whether the points-to solution is
5092         a singleton.
5093
5094 2019-04-15  Martin Jambor  <mjambor@suse.cz>
5095
5096         PR ipa/pr89693
5097         * cgraph.c (clone_of_p): Loop over clone chain for each step in
5098         the thunk chain.
5099
5100 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5101
5102         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
5103
5104 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
5105             Kito Cheng  <kito.cheng@gmail.com>
5106             Shiva Chen  <shiva0217@gmail.com>
5107
5108         * config/nds32/nds32-md-auxiliary.c
5109         (nds32_legitimize_pic_address): Use new PIC pattern.
5110         (nds32_legitimize_tls_address): Use new TLS pattern.
5111         (nds32_output_symrel): New.
5112         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
5113         (nds32_alloc_relax_group_id): Ditto.
5114         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
5115         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
5116         relax_group_id.
5117         (nds32_group_tls_insn): Ditto.
5118         (nds32_group_float_insns): Ditto.
5119         * config/nds32/nds32.md (tls_le): New.
5120         (sym_got): Ditto.
5121
5122 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
5123
5124         * configure: Add nds32 target for dwarf2 debug_line checking.
5125         * configure.ac: Regenerated.
5126
5127 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
5128
5129         PR lto/89358
5130         * ipa-devirt.c (skip_in_fields_list_p): New.
5131         (odr_types_equivalent_p): Use it.
5132
5133 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
5134
5135         PR target/89093
5136         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
5137         instead of strncmp when checking for thumb and arm.  Formatting fixes.
5138
5139 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
5140
5141         * doc/install.texi: Document --with-target-system-zlib.
5142
5143 2019-04-12  Martin Sebor  <msebor@redhat.com>
5144
5145         PR c/88383
5146         PR c/89288
5147         PR c/89798
5148         PR c/89797
5149         * targhooks.c (default_vector_alignment): Avoid assuming
5150         argument fits in SHWI.
5151         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
5152         a shift expression.
5153         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
5154
5155 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5156
5157         PR rtl-optimization/89965
5158         * dce.c: Include rtl-iter.h.
5159         (struct check_argument_load_data): New type.
5160         (check_argument_load): New function.
5161         (find_call_stack_args): Check for loads from stack slots still tracked
5162         in sp_bytes and punt if any is found.
5163
5164         * config/mips/loongson-mmiintrin.h: Fix up #error message.
5165
5166 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
5167
5168         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
5169         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
5170
5171 2019-04-12  Martin Liska  <mliska@suse.cz>
5172
5173         PR middle-end/89970
5174         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
5175         in error message.
5176         (separate_attrs): Handle multiple 'default's.
5177         (expand_target_clones): Rework error handling code.
5178
5179 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5180
5181         PR target/87532
5182         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
5183         mode of vector rather than mode of destination for move instruction.
5184         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
5185         Use QI inner mode with V16QI vector mode.
5186
5187 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5188
5189         PR target/52726
5190         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
5191         "invalid %%t operand" in output_operand_lossage message.
5192
5193 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
5194
5195         * config/s390/predicates.md (permute_pattern_operand): New
5196         predicate.
5197         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
5198         operand for the permute pattern.
5199         ("*vec_perm<mode>"): New insn definition.
5200         ("bswap<mode>"): Generate the permute pattern operand in the
5201         expander and perform the operand reloads for pre arch13 level
5202         already.
5203         ("*bswap<mode>_emu"): Rename to ...
5204         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
5205         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
5206         Add the USE operand for the permute pattern.
5207         ("*vec_set_bswap_vec<mode>"): Likewise.
5208
5209 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
5210
5211         PR c/89946
5212         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
5213         and gcc_unreachable if it fails, just call tree_to_uhwi which
5214         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
5215         Start warning message with a lower-case letter.  Formatting fixes.
5216
5217         PR rtl-optimization/90026
5218         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
5219         successors, look for BARRIERs inside of the whole BB_FOOTER chain
5220         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
5221         in cfglayout mode, use emit_barrier_after_bb.
5222
5223 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
5224
5225         PR rtl-optimization/87763
5226         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
5227         New Instruction.
5228
5229 2019-04-11  Tom de Vries  <tdevries@suse.de>
5230
5231         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
5232         max macro using statement expression.
5233
5234 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
5235
5236         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
5237         * xcoffout.c (xcoff_private_rodata_section_name): Define.
5238         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
5239         read_only_private_data_section using xcoff_private_rodata_section_name.
5240         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
5241
5242 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
5243
5244         PR target/90016
5245         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
5246
5247 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
5248
5249         PR rtl-optimization/89965
5250         * dce.c (sp_based_mem_offset): New function.
5251         (find_call_stack_args): Use sp_based_mem_offset.
5252
5253 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
5254
5255         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
5256
5257 2019-04-11  Richard Biener  <rguenther@suse.de>
5258
5259         PR tree-optimization/90020
5260         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
5261         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
5262         * tree-ssa-pre.c (compute_avail): Use it to not put
5263         possibly trapping references after a call that might not
5264         return into EXP_GEN.
5265         * gcse.c (compute_hash_table_work): Do not elide
5266         marking a block containing a call if the call might not
5267         return.
5268
5269 2019-04-11  Richard Biener  <rguenther@suse.de>
5270
5271         PR tree-optimization/90018
5272         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
5273         Test both SLP and interleaving variants.
5274
5275 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
5276
5277         * config/s390/8561.md: New file.
5278         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5279         Add arch13 cpu model.
5280         * config/s390/s390-opts.h (enum processor_type): Likewise.
5281         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
5282         (s390_get_unit_mask): Likewise.
5283         (s390_is_fpd): Likewise.
5284         (s390_is_fxd): Likewise.
5285         * config/s390/s390.h (s390_tune_attr): Likewise.
5286         * config/s390/s390.md: Include arch13 pipeline description.
5287         * config/s390/s390.opt: Add arch13.
5288
5289 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
5290
5291         PR rtl-optimization/87763
5292         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
5293         New prototype.
5294         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
5295         New function.
5296         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
5297         New instruction.
5298         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
5299         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
5300         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
5301         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
5302
5303 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
5304
5305         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
5306         "Although" in -fipa-icf documentation.
5307
5308         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
5309         of using multiple -g options.
5310
5311 2019-04-10  Martin Liska  <mliska@suse.cz>
5312
5313         PR gcov-profile/89959
5314         * doc/gcov.texi: Make documentation of -x option
5315         more precise.
5316
5317 2019-04-10  Richard Biener  <rguenther@suse.de>
5318
5319         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
5320         member.
5321         (DR_GROUP_SAME_DR_STMT): Remove.
5322         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
5323         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
5324         replace with assert.
5325         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
5326         (vect_record_grouped_load_vectors): Remove unreachable code.
5327
5328 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
5329
5330         PR target/90016
5331         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
5332         obsolete reference to N.
5333
5334 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
5335
5336         PR middle-end/90025
5337         * expr.c (store_expr): Set properly size on the MEM passed to
5338         clear_storage.
5339
5340         PR c++/90010
5341         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
5342         with strlen in between hostsz-3 and hostsz-1 inclusive when no
5343         translation is needed, and when translation is needed, only append
5344         ... if the string length is hostsz or more bytes long.  Avoid using
5345         strncpy or strcat.
5346
5347 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
5348
5349         PR target/90024
5350         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
5351         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
5352         into three.
5353         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
5354         differences directly.
5355         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
5356
5357 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5358
5359         PR translation/90011
5360         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5361         from diagnostics.
5362         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
5363         diagnostics.
5364         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
5365         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
5366         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
5367         trailing space from -gsplit-dwarf diagnostics.
5368
5369         PR tree-optimization/89998
5370         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
5371         instead of integer_type_node if possible, don't add ranges if return
5372         type is not compatible with int.
5373         * gimple-fold.c (gimple_fold_builtin_sprintf,
5374         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
5375         integer_type_node.
5376
5377 2019-04-09  Martin Liska  <mliska@suse.cz>
5378
5379         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
5380         * doc/install.texi: Document the new config.
5381
5382 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
5383
5384         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
5385         use gimple_expr_type for load and store calls.  Skip over the
5386         condition argument in a conditional internal function.
5387         Protect use of TREE_INT_CST_LOW.
5388
5389 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
5390
5391         PR target/90015
5392         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
5393         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
5394         trailing period from it too.
5395
5396 2019-04-08  wu yuan  <wuyuan5@huawei.com>
5397
5398         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
5399         * config/aarch64/aarch64.md : Add "tsv110.md"
5400         * config/aarch64/tsv110.md: New file.
5401
5402 2019-04-08  Richard Biener  <rguenther@suse.de>
5403
5404         PR tree-optimization/90006
5405         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
5406         calls like lrint.
5407
5408 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
5409
5410         PR target/83033
5411         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
5412         construction.
5413         (fma_root_node): Likewise.
5414         (func_fma_steering): Likewise.
5415
5416 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
5417
5418         PR rtl-optimization/89865
5419         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
5420
5421         PR rtl-optimization/89865
5422         * config/i386/i386.md
5423         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
5424         numbers not to clash with the additional operands[4].
5425         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
5426         with extra register copy in the middle.
5427
5428 2019-04-08  Martin Liska  <mliska@suse.cz>
5429
5430         PR gcov-profile/89961
5431         * doc/gcov.texi: Document data_file.
5432         * gcov.c (generate_results): Add data_info into JSON output.
5433
5434 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
5435
5436         PR tree-optimization/89725
5437         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
5438         loop's chrec as invariant symbol.
5439         * tree-chrec.h (chrec_contains_symbols): New parameter.
5440         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
5441         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
5442         function of loops not in DDR's loop_nest.
5443         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
5444
5445 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
5446
5447         PR target/89623
5448         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
5449         Mask.
5450
5451 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
5452
5453         PR target/89945
5454         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
5455         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
5456
5457 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
5458
5459         * sched-deps.c (sched_macro_fuse_insns): Check return value of
5460         targetm.fixed_condition_code_regs.
5461
5462 2019-04-05  Richard Biener  <rguenther@suse.de>
5463
5464         PR debug/89892
5465         PR debug/89905
5466         * tree-cfgcleanup.c (remove_forwarder_block): Always move
5467         debug bind stmts but reset them if they are not valid at the
5468         destination.
5469
5470 2019-04-05  Martin Liska  <mliska@suse.cz>
5471
5472         PR translation/89936
5473         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
5474         order to wrap keywords or arguments.
5475         * collect2.c (main): Likewise.
5476         (scan_prog_file): Likewise.
5477         (scan_libraries): Likewise.
5478         * common/config/riscv/riscv-common.c
5479         (riscv_subset_list::parsing_subset_version): Likewise.
5480         (riscv_subset_list::parse_std_ext): Likewise.
5481         * config/aarch64/aarch64.c (aarch64_override_options_internal):
5482         Likewise.
5483         * config/arm/arm.c (arm_option_override): Likewise.
5484         * config/cris/cris.c (cris_print_operand): Likewise.
5485         * config/darwin-c.c (darwin_pragma_options): Likewise.
5486         (darwin_pragma_unused): Likewise.
5487         (darwin_pragma_ms_struct): Likewise.
5488         * config/ft32/ft32.c (ft32_print_operand): Likewise.
5489         * config/i386/i386.c (print_reg): Likewise.
5490         (ix86_print_operand): Likewise.
5491         * config/i386/xm-djgpp.h: Likewise.
5492         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
5493         * config/m32c/m32c.c (m32c_option_override): Likewise.
5494         * config/msp430/msp430.c (msp430_option_override): Likewise.
5495         * config/nds32/nds32.c (nds32_option_override): Likewise.
5496         * config/nvptx/mkoffload.c (main): Likewise.
5497         * config/rx/rx.c (rx_print_operand): Likewise.
5498         (valid_psw_flag): Likewise.
5499         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
5500         (vms_pragma_nomember_alignment): Likewise.
5501         (vms_pragma_extern_model): Likewise.
5502         * lto-wrapper.c (compile_offload_image): Likewise.
5503         * omp-offload.c (oacc_parse_default_dims): Likewise.
5504         * symtab.c (symtab_node::verify_base): Likewise.
5505         * tlink.c (recompile_files): Likewise.
5506         (start_tweaking): Likewise.
5507         * tree-profile.c (parse_profile_filter): Likewise.
5508
5509 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
5510
5511         PR tree-optimization/89956
5512         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
5513         multiple negates of the same value.
5514
5515 2019-04-04  Martin Sebor  <msebor@redhat.com>
5516
5517         PR middle-end/89957
5518         PR middle-end/89911
5519         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
5520         have the same precision since the function crashes otherwise.
5521         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
5522         has non-zero arguments.
5523
5524 2019-04-04  Martin Sebor  <msebor@redhat.com>
5525
5526         PR middle-end/89934
5527         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
5528         out if the number of arguments is less than expected.
5529
5530 2019-04-04  Jeff Law  <law@redhat.com>
5531
5532         PR rtl-optimization/89399
5533         * ree.c (combine_set_extension): Use single_set rather than
5534         digging into PATTERN for items on the candidate list.
5535         (combine_reaching_defs): Likewise.
5536
5537 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
5538
5539         PR rtl-optimization/46590
5540         * loop-invariant.c (find_defs): Move df_remove_problem and
5541         df_process_deferred_rescans to move_invariants.
5542         Move df_live_add_problem and df_live_set_all_dirty calls
5543         to move_invariants.
5544         (move_invariants): Likewise.
5545         (move_loop_invariants): Likewise, making the df_live calls
5546         conditional on -O.  Remove the problem again if we added it
5547         locally.
5548
5549 2019-04-03  qing zhao  <qing.zhao@oracle.com>
5550
5551         PR tree-optimization/89730
5552         * ipa-inline.c (can_inline_edge_p): Delete the checking for
5553         -flive-patching=inline-only-static.
5554         (can_inline_edge_by_limits_p): Add the checking for
5555         -flive-patching=inline-only-static and grant always_inline
5556         even when -flive-patching=inline-only-static is specified.
5557
5558 2019-04-03  Jeff Law  <law@redhat.com>
5559
5560         PR rtl-optimization/81025
5561         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
5562
5563 2019-04-03  Richard Biener  <rguenther@suse.de>
5564
5565         PR tree-optimization/84101
5566         * tree-vect-stmts.c: Include explow.h for hard_function_value,
5567         regs.h for hard_regno_nregs.
5568         (cfun_returns): New helper.
5569         (vect_model_store_cost): When vectorizing a store to a decl
5570         we return and the function ABI returns in a multi-reg location
5571         account for the possible spilling that will happen.
5572
5573 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
5574
5575         * config/s390/s390.c (s390_legitimate_address_p): Reject long
5576         displacement addresses for vector mode operands.
5577
5578 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
5579
5580         * config/arc/arc.c (GMASK_LEN): Define.
5581         (arc_restore_callee_saves): Restore first blink when
5582         !optimize_size.
5583
5584 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
5585
5586         * doc/extend.texi: Add deprecated comment on sign-return-address
5587         function attribute and add mbranch-protection.
5588         * doc/invoke.texi: Add bti to the options for mbranch-protection.
5589
5590 2019-04-03  Richard Biener  <rguenther@suse.de>
5591
5592         PR lto/89896
5593         * lto-wrapper.c (run_gcc): Avoid implicit rules making
5594         the all target phony.
5595
5596 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
5597
5598         PR target/89902
5599         PR target/89903
5600         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
5601         Return false for variable DImode shifts.
5602         (dimode_scalar_chain::compute_convert_gain): Do not handle
5603         register count operand in variable DImode shifts.
5604         (dimode_scalar_chain::make_vector_copies): Remove support to copy
5605         count argument of a variable shift instruction to a vector register.
5606         (dimode_scalar_chain::convert_reg): Remove support to convert
5607         count argument of a variable shift instruction.
5608
5609 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5610
5611         PR rtl-optimization/84206
5612         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
5613         iterating over loop headers.
5614
5615 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
5616
5617         PR rtl-optimization/85876
5618         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
5619         beyond the original fence.
5620
5621 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
5622
5623         * config.gcc: Mark spu* targets as deprecated/obsolete.
5624
5625 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5626
5627         * config/s390/s390-builtin-types.def: New builtin function type
5628         definitions. Remove unused types.
5629         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
5630         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
5631         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
5632         overloaded builtins.
5633         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
5634         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
5635         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
5636         (vec_double, vec_signed, vec_unsigned): Define to use the new
5637         overloaded builtins.
5638         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
5639         Remove expanders.
5640
5641 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5642
5643         * config/s390/s390-builtin-types.def: New builtin function type
5644         definitions.
5645         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
5646         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
5647         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
5648         (s390_vstrszh, s390_vstrszf): New low-level builtins.
5649         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
5650         constant definitions.
5651         * config/s390/vecintrin.h (vec_search_string_cc)
5652         (vec_search_string_until_zero_cc): New builtin name definitions.
5653         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
5654         expanders.
5655         ("vec_vstrs<mode>"): New insn definition.
5656
5657 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5658
5659         * config/s390/s390-builtin-types.def: Add new builtin function
5660         types.
5661         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
5662         New overloaded builtins.
5663         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
5664         s390_vsrd.
5665         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
5666         (UNSPEC_VEC_SLDBYTE): ... this.
5667         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
5668         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
5669         definitions.
5670         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
5671         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
5672         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
5673
5674 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5675
5676         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
5677         New insn definition.
5678         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
5679         * config/s390/vector.md (V_HW_HSD): ... here.
5680
5681 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5682
5683         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
5684         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
5685         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
5686         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
5687         New insn definitions.
5688
5689 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5690
5691         * config/s390/s390-builtin-types.def: Add new builtin function type.
5692         * config/s390/s390-builtins.def: Add overloaded builtin
5693         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
5694         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
5695         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
5696         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
5697         ("eltswap<mode>"): New expander.
5698         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
5699         insn definitions.
5700
5701 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5702
5703         * config/s390/s390-builtin-types.def: Add new builtin function types.
5704         * config/s390/s390-builtins.def: Add overloaded builtin
5705         s390_vec_revb. Add low-level builtins for vlbr and vstbr
5706         instructions.
5707         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
5708         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
5709         ("bswap<mode>"): New expander.
5710         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
5711
5712 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5713
5714         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
5715         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
5716         vector builtin version number in __VEC__.
5717
5718 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5719
5720         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
5721         iterators.
5722         (SFSI): New mode attribute.
5723         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
5724         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
5725         rename to ...
5726         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
5727         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
5728         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
5729         ("floatsi<mode>2"): Add wcefb instruction.
5730
5731 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5732
5733         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
5734         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
5735         mode iterators.
5736         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
5737         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
5738         support 32 bit fp-int conversions. Rename to ...
5739         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5740         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
5741         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
5742         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
5743         ... to these.
5744
5745 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5746
5747         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
5748         if-then-else constructs if we can use the select instruction.
5749         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
5750
5751 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5752
5753         * config/s390/s390.md ("*popcountdi_arch13_cc")
5754         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
5755         definition.
5756         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
5757         Append _z196 to make it ...
5758         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
5759         ("popcounthi2_z196"): ... this.
5760         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
5761         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
5762
5763 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5764
5765         * config/s390/s390.c (s390_canonicalize_comparison): Convert
5766         certain compares for arch13 in order to make use of the condition
5767         code result produced by the new instructions.
5768         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
5769         nxrk, and nxgrk instruction patterns.
5770         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
5771         (inv_no): Add new code iterator together with some attributes.
5772         ("*andc_split_<mode>"): Disable splitter for arch13.
5773         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
5774         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
5775         ("*<ANDOR:bitops_name>c<GPR:mode>")
5776         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
5777         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
5778         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
5779         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
5780
5781 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
5782
5783         * common/config/s390/s390-common.c (processor_flags_table): New
5784         entry for arch13.
5785         * config.gcc: Support arch13 with the --with-arch= configure flag.
5786         * config/s390/driver-native.c (s390_host_detect_local_cpu):
5787         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
5788         * config/s390/s390.c (s390_get_sched_attrmask)
5789         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
5790         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
5791         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
5792         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
5793         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
5794         definitions.
5795         * config/s390/s390.opt: Support arch13 as processor type in
5796         command line options.
5797
5798 2019-04-02  Martin Liska  <mliska@suse.cz>
5799
5800         PR translation/89912
5801         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
5802         Fix param description of graphite-max-arrays-per-scop.
5803
5804 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
5805
5806         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
5807         (ASAN_CC1_SPEC): Use it in 64-bit mode.
5808         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
5809
5810 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5811
5812         PR rtl-optimization/85412
5813         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
5814         sel_sched_region_1, not after.
5815
5816 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5817
5818         PR rtl-optimization/86928
5819         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
5820         compute_live if necessary.
5821         (sel_redirect_edge_and_branch): Likewise.
5822
5823 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
5824
5825         PR rtl-optimization/89865
5826         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
5827         register if it is a part of small class.
5828
5829 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
5830
5831         PR rtl-optimization/87273
5832         * sel-sched-ir.c (merge_fences): Remove assert.
5833
5834 2019-04-01  Richard Biener  <rguenther@suse.de>
5835
5836         PR tree-optimization/46590
5837         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
5838         (dom_walker::m_reachability): Add in place of...
5839         (dom_walker::m_skip_unreachable_blocks): ...this.
5840         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
5841         Move complex initialization ...
5842         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
5843         lazily and initialize edge flags on each invocation.
5844         (dom_walker::bb_reachable): Use m_reachability.
5845
5846 2019-04-01  Martin Liska  <mliska@suse.cz>
5847
5848         PR driver/89861
5849         * opt-suggestions.c (option_proposer::build_option_suggestions):
5850         Add variant without any argument in order to provide better
5851         hints.
5852
5853 2019-04-01  Richard Biener  <rguenther@suse.de>
5854
5855         PR c/71598
5856         * gimple.c: Include langhooks.h.
5857         (gimple_get_alias_set): Treat enumeral types as the underlying
5858         integer type.
5859
5860 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
5861             Eric Botcazou  <ebotcazou@adacore.com>
5862
5863         PR rtl-optimization/89862
5864         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
5865         that operates on the full registers for WORD_REGISTER_OPERATIONS
5866         architectures.
5867
5868 2019-03-29  Jim Wilson  <jimw@sifive.com>
5869
5870         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
5871         Clear MASK_RVC and then set if C subset supported.
5872
5873 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5874
5875         PR c/89872
5876         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
5877         non-addressable complit into its initializer if it is volatile.
5878
5879 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
5880
5881         * opts-common.c (integral_argument): Set errno properly in one case.
5882
5883 2019-03-29  Martin Liska  <mliska@suse.cz>
5884
5885         * doc/invoke.texi: Remove -Wchkp from documentation.
5886
5887 2019-03-29  Martin Liska  <mliska@suse.cz>
5888
5889         * dbgcnt.c (print_limit_reach): New function.
5890         (dbg_cnt): Use it.
5891
5892 2019-03-29  Martin Liska  <mliska@suse.cz>
5893
5894         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
5895         (dbg_cnt_process_opt): Parse first tokens aas
5896         dbg_cnt_process_single_pair is also using strtok.
5897
5898 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
5899
5900         PR rtl-optimization/87485
5901         * function.c (expand_function_end): Move stack_protect_epilogue
5902         before loading of return value into hard register(s).
5903
5904 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5905
5906         PR middle-end/89621
5907         * tree-inline.h (struct copy_body_data): Add
5908         dont_remap_vla_if_no_change flag.
5909         * tree-inline.c (remap_type_3, remap_type_2): New functions.
5910         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
5911         and remap_type_2 returns false.
5912         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
5913         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
5914         only from where it is copied to nested contexts.
5915
5916 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5917
5918         PR target/89865
5919         * config/i386/i386.md (RMW operation with LEA peephole):
5920         Use LEAMODE mode attribute instead of SWI mode iterator for
5921         LEA pattern.
5922
5923 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
5924
5925         PR target/89848
5926         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
5927         Also process XEXP (src, 0) of a shift insn.
5928
5929 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
5930
5931         PR middle-end/89725
5932         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
5933         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
5934
5935 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
5936
5937         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
5938         test.
5939         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
5940         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
5941         immediately after first one with df_analyze in between, but rather
5942         process all bbs, queueing ones that need second pass in a worklist,
5943         df_analyze, process queued debug insn changes and if second pass is
5944         needed, process bbs from worklist, df_analyze, process queued debug
5945         insns again.
5946
5947         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
5948         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
5949         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
5950
5951 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
5952
5953         PR c/79022
5954         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
5955         definition.
5956
5957 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
5958
5959         PR target/85667
5960         * config/i386/i386.c (ix86_function_value_1): Call the newly added
5961         function for 32-bit MS_ABI.
5962         (function_value_ms_32): New function.
5963
5964 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
5965
5966         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
5967         (movdi): Call gen_movdi_symbol_save_scc.
5968         (gen_movdi_symbol_save_scc): New insn and split.
5969
5970 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
5971
5972         PR rtl-optimization/89313
5973         * function.c (matching_constraint_num): New static function.
5974         (match_asm_constraints_1): Use it.  Fixup white space and comment.
5975         Don't replace inputs with non-matching constraints which conflict
5976         with early clobber outputs.
5977
5978 2019-03-27  Jeff Law  <law@redhat.com>
5979
5980
5981         PR rtl-optimization/87761
5982         PR rtl-optimization/89826
5983         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
5984         slightly later.
5985         (pass_cprop_hardreg::execute): Call df_analyze after adding the
5986         note problem to get REG_DEAD/REG_UNUSED notes updated.
5987
5988 2019-03-27  Richard Biener  <rguenther@suse.de>
5989
5990         PR tree-optimization/89463
5991         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
5992         queue edges to remove.
5993         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
5994         dead stmts.  Delay edge removal until PHIs are removed to
5995         make debug-stmt creation not confused by seemingly degenerate
5996         PHIs.
5997
5998 2019-03-27  Alan Modra  <amodra@gmail.com>
5999
6000         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
6001         throughout file.
6002         * config/rs6000/darwin.h: Likewise.
6003         * config/rs6000/rs6000.c: Likewise.
6004
6005 2019-03-27  Alan Modra  <amodra@gmail.com>
6006
6007         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
6008         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
6009
6010 2019-03-26  Andrew Waterman  <andrew@sifive.com>
6011             Jim Wilson  <jimw@sifive.com>
6012
6013         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
6014         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
6015         (generic_idivdi, generic_fmul_single, generic_fmul_double)
6016         (generic_fdiv, generic_fsqrt): Add check for generic tune.
6017         (generic_alu): Add auipc to type list.
6018         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
6019         (riscv_microarchitecture): Declare.
6020         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
6021         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
6022         field.
6023         (riscv_microarchitecture): New.
6024         (sifive_7_tune_info): New.
6025         (riscv_cpu_info_table): Add microarchitecture value for rocket and
6026         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
6027         entries.
6028         (riscv_store_data_bypass_p): New.
6029         (riscv_option_override): Set riscv_microarchitecture from
6030         cpu->microarchitecture.
6031         * config/riscv/riscv.md: Include sifive-7.md.
6032         (type): Add auipc.
6033         (tune): New.
6034         (auipc<mode>): Change type to auipc.
6035         (restore_stack_nonlocal): New.
6036         * config/riscv/sifive-7.md: New.
6037         * doc/invoke.texi (RISC-V Options): Update mtune docs.
6038
6039 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
6040
6041         PR target/89827
6042         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
6043         Also process XEXP (src, 0) of a shift insn.
6044
6045 2019-03-26  Richard Biener  <rguenther@suse.de>
6046
6047         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
6048         (copy_debug_stmt): Likewise.
6049         (expand_call_inline): Likewise.
6050         (copy_bb): Avoid redundant lookup & set of gimple_block.
6051         * gimple-low.c (lower_gimple_return): Likewise.
6052         (lower_builtin_setjmp): Likewise.
6053
6054 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
6055
6056         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
6057         is constant 0, turn into static const data member initialized to false.
6058         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
6059         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
6060
6061 2019-03-26  Jason Merrill  <jason@redhat.com>
6062             Jakub Jelinek  <jakub@redhat.com>
6063
6064         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
6065         method.
6066         (mem_alloc_description::release_object_overhead): Fix comment typos.
6067         * hash-table.h (hash_table::~hash_table): Call
6068         release_instance_overhead only if m_entries is non-NULL, otherwise
6069         call unregister_descriptor.
6070
6071 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
6072
6073         PR tree-optimization/81740
6074         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6075         In case of outer loop vectorization, check for backward dependence
6076         at the inner loop if outer loop dependence is reversed.
6077
6078 2019-03-26  Alan Modra  <amodra@gmail.com>
6079
6080         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
6081         rs6000_vector_mem init.  Correct wI and wJ comment.
6082
6083 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
6084
6085         PR rtl-optimization/88347
6086         PR rtl-optimization/88423
6087         * sched-deps.c (sched_analyze_insn): Take into account that for
6088         tablejumps the barrier appears after a label and a jump_table_data.
6089
6090 2019-03-25  Martin Sebor  <msebor@redhat.com>
6091
6092         PR c/89812
6093         * c-common.c (check_user_alignment): Rename local.  Correct maximum
6094         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
6095         convert it to UHWI when it fits.
6096
6097 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
6098
6099         PR debug/86964
6100         * dwarf2out.c (premark_used_variables): New function.
6101         (prune_unused_types_walk): Do not mark not premarked external
6102         variables.
6103         (prune_unused_types): Call premark_used_variables.
6104
6105 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
6106
6107         PR rtl-optimization/89676
6108         * lra-constraints.c (curr_insn_transform): Do match reload for
6109         early clobbers when the match was successful only for different
6110         registers.
6111
6112 2019-03-25  Martin Sebor  <msebor@redhat.com>
6113
6114         * doc/extend.texi (Common Type Attributes): Document vector_size.
6115         (Common Variable Attributes): Mention size constraint.  Correct
6116         quoting and typos.
6117         (Vector Extensions): Use @dfn when defining bas type.  Clarify
6118         base type and size constraints.
6119
6120 2019-03-25  Richard Biener  <rguenther@suse.de>
6121
6122         PR tree-optimization/89789
6123         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
6124         changes from non-undefined back to undefined.
6125
6126 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
6127
6128         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
6129         heap string and a gc string, but since this variable is unknown to
6130         ggc the gc string might get reused and corrupted. Fixed by always
6131         using a heap string.
6132
6133 2019-03-25  Richard Biener  <rguenther@suse.de>
6134
6135         PR tree-optimization/89779
6136         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
6137         to remove IV defs, delay actual removal.
6138         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
6139         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
6140         very end, properly also reset loop control IV information.
6141
6142 2019-03-25  Richard Biener  <rguenther@suse.de>
6143
6144         PR tree-optimization/89802
6145         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
6146         move EH data to folded stmt.
6147
6148 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6149
6150         * config/s390/s390-builtin-types.def: Remove few unused types and
6151         fix sort order for others.
6152
6153 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
6154
6155         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
6156         expected and found types with -mdebug during builtin matching.
6157
6158 2019-03-25  Richard Biener  <rguenther@suse.de>
6159
6160         PR middle-end/89790
6161         * fold-const.c (operand_equal_p): Revert last change with
6162         updated comment.
6163
6164 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
6165
6166         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
6167         notes for the result of the __tls_get_addr calls.
6168         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
6169
6170 2019-03-24  Jeff Law  <law@redhat.com>
6171
6172         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
6173
6174         PR rtl-optimization/87761
6175         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
6176         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
6177         as needed.
6178         (pass_cprop_hardreg::execute): Add df note problem and defer insn
6179         rescans.  Reprocess blocks as needed, calling df_analyze before
6180         reprocessing.  Always call df_analyze before fixing up debug bind
6181         insns.
6182
6183 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
6184
6185         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
6186         big endian.
6187
6188 2019-03-22  Andrew Pinski  <apinski@marvell.com>
6189
6190         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
6191         attrribute for uxtw.
6192
6193 2019-03-26  Jeff Law  <law@redhat.com>
6194
6195         PR rtl-optimization/87761
6196         * config/mips/mips-protos.h (mips_split_move): Add new argument.
6197         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
6198         (mips_split_move): Accept new INSN argument.  Try to forward SRC
6199         into the next instruction.
6200         (mips_split_move_insn): Pass INSN through to mips_split_move.
6201
6202 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
6203
6204         PR rtl-optimization/89676
6205         * lra-constraints.c (curr_insn_transform): Do match reload for
6206         early clobbers even if the match was successful.
6207
6208 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6209
6210         PR c++/87481
6211         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
6212
6213 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
6214
6215         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
6216
6217 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
6218
6219         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
6220         <avx512>_fmsub_<mode>_mask3<round_name>,
6221         <avx512>_fnmadd_<mode>_mask3<round_name>,
6222         <avx512>_fnmsub_<mode>_mask3<round_name>,
6223         avx512f_vmfmadd_<mode>_mask3<round_name>,
6224         avx512f_vmfmsub_<mode>_mask3<round_name>,
6225         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
6226         instead of register_operand and %v instead of v for match_operand 1.
6227         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
6228         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
6229         <round_nimm_predicate> instead of register_operand and %v instead of v
6230         for match_operand 1.
6231
6232         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
6233         <avx512>_fmadd_<mode>_mask3<round_name>,
6234         <avx512>_fmsub_<mode>_mask<round_name>,
6235         <avx512>_fmsub_<mode>_mask3<round_name>,
6236         <avx512>_fnmadd_<mode>_mask<round_name>,
6237         <avx512>_fnmadd_<mode>_mask3<round_name>,
6238         <avx512>_fnmsub_<mode>_mask<round_name>,
6239         <avx512>_fnmsub_<mode>_mask3<round_name>,
6240         <avx512>_fmaddsub_<mode>_mask<round_name>,
6241         <avx512>_fmaddsub_<mode>_mask3<round_name>,
6242         <avx512>_fmsubadd_<mode>_mask<round_name>,
6243         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
6244         <round_nimm_predicate> instead of nonimmediate_operand.
6245         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
6246         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
6247         Use register_operand instead of <round_nimm_predicate> for the
6248         operand that needs to match output.
6249         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
6250         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
6251         Likewise.  Formatting fixes.
6252
6253         PR target/89784
6254         * config/i386/i386.c (enum ix86_builtins): Remove
6255         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
6256         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
6257         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
6258         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
6259         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
6260         __builtin_ia32_vfmsubss3_mask3): New builtins.
6261         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
6262         avx512f_vmfmadd_<mode>_mask3<round_name>,
6263         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
6264         *avx512f_vmfmsub_<mode>_mask<round_name>,
6265         avx512f_vmfmsub_<mode>_mask3<round_name>,
6266         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
6267         *avx512f_vmfnmadd_<mode>_mask<round_name>,
6268         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
6269         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
6270         *avx512f_vmfnmsub_<mode>_mask<round_name>,
6271         avx512f_vmfnmsub_<mode>_mask3<round_name>,
6272         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
6273         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
6274         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
6275         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
6276         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
6277         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
6278         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
6279         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
6280         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
6281         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
6282         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
6283         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
6284         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
6285         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
6286         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
6287         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
6288         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
6289         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
6290         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
6291         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
6292         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
6293         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
6294
6295 2019-03-21  Martin Sebor  <msebor@redhat.com>
6296
6297         PR tree-optimization/89350
6298         * builtins.c (compute_objsize): Also ignore offsets whose upper
6299         bound is negative.
6300         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
6301         (builtin_memref::builtin_memref): Initialize new member.
6302         Allow EXPR to be null.
6303         (builtin_memref::extend_offset_range): Replace local with a member.
6304         Avoid assuming pointer offsets are unsigned.
6305         (builtin_memref::set_base_and_offset): Determine base object
6306         before computing offset range.
6307         (builtin_access::builtin_access): Handle memset.
6308         (builtin_access::generic_overlap): Replace local with a member.
6309         (builtin_access::strcat_overlap): Same.
6310         (builtin_access::overlap): Same.
6311         (maybe_diag_overlap): Same.
6312         (maybe_diag_access_bounds): Same.
6313         (wrestrict_dom_walker::check_call): Handle memset.
6314         (check_bounds_or_overlap): Same.
6315
6316 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
6317             Jakub Jelinek  <jakub@redhat.com>
6318
6319         PR lto/89692
6320         * tree.c (fld_type_variant, fld_incomplete_type_of,
6321         fld_process_array_type): Call fld->pset.add and don't call
6322         add_tree_to_fld_list if it returns true.
6323         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
6324         non-marked types from TYPE_NEXT_VARIANT list.
6325         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
6326
6327 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
6328
6329         * hash-table.h (hash_table): Add Lazy template parameter defaulted
6330         to false, if true, don't alloc_entries during construction, but defer
6331         it to the first method that needs m_entries allocated.
6332         (hash_table::hash_table, hash_table::~hash_table,
6333         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
6334         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
6335         hash_table::clear_slot, hash_table::traverse_noresize,
6336         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
6337         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
6338         false.
6339         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
6340         NO_INSERT instead of find_with_hash.
6341         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
6342         hash_set::m_table): Add Lazy to template params of hash_table.
6343         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
6344         * attribs.c (test_attribute_exclusions): Likewise.
6345         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
6346         hash_set.  Add tests for hash_set with Lazy = true.
6347
6348 2019-03-21  Richard Biener  <rguenther@suse.de>
6349
6350         PR tree-optimization/89779
6351         * tree.c (tree_nop_conversion): Consolidate and fix defensive
6352         checks with respect to released SSA names now having error_mark_node
6353         type.
6354         * fold-const.c (operand_equal_p): Likewise.
6355
6356 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
6357
6358         PR target/89775
6359         * config/s390/s390.c (global_not_special_regno_p): Move to make it
6360         available to ...
6361         (s390_optimize_register_info): Use global_not_special_regno_p to
6362         check for global regs.
6363
6364 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
6365
6366         PR target/89752
6367         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
6368         update this_alternative nor this_alternative_set.
6369
6370 2019-03-19  Jim Wilson  <jimw@sifive.com>
6371
6372         PR target/89411
6373         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
6374         align, size, offset.  Use them to handle a BLKmode reference.  Update
6375         comment.
6376         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
6377
6378 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6379
6380         PR rtl-optimization/89768
6381         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
6382         instead of GEN_INT.
6383         (unroll_loop_runtime_iterations): Likewise.
6384
6385 2019-03-19  Martin Sebor  <msebor@redhat.com>
6386
6387         PR tree-optimization/89644
6388         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
6389         rather than endptr as an indicator of nul-termination.
6390
6391         PR tree-optimization/89644
6392         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
6393         arrays in determining sequence sizes in strncpy and stpncpy.
6394
6395 2019-03-19  Martin Liska  <mliska@suse.cz>
6396
6397         PR middle-end/89737
6398         * predict.c (combine_predictions_for_bb): Empty likely_edges and
6399         unlikely_edges if there's an edge that belongs to both these sets.
6400
6401 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
6402
6403         PR target/89746
6404         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
6405         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
6406         go via a stack temporary.
6407
6408 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6409
6410         PR target/89378
6411         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
6412         instead of gen_rtx_SUBREG.
6413         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
6414
6415 2019-03-19  Richard Biener  <rguenther@suse.de>
6416
6417         PR debug/88389
6418         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
6419
6420 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
6421
6422         PR lto/87809
6423         PR lto/89335
6424         * tree.c (free_lang_data_in_decl): Do not free context of C++
6425         destrutors.
6426
6427 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR target/89506
6430         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
6431         subs for the first alternative except when operands[3] is 1.
6432
6433         PR target/89752
6434         * gimplify.c (gimplify_asm_expr): For output argument with
6435         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
6436         diagnose error.
6437
6438 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
6439
6440         PR rtl-optimization/89753
6441         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6442         explicit unrolling factor even more robust.
6443
6444 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
6445
6446         PR target/89726
6447         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
6448         compensation use x2 += 1 instead of x2 -= -1 and when honoring
6449         signed zeros, do another copysign after the compensation.
6450
6451 2019-03-18  Martin Sebor  <msebor@redhat.com>
6452
6453         PR tree-optimization/89720
6454         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
6455         more conservatively, the same as anti-range.
6456
6457 2019-03-18  Richard Biener  <rguenther@suse.de>
6458
6459         PR middle-end/88945
6460         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
6461         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
6462         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
6463         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
6464
6465 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
6466
6467         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
6468         Extend queue to 1024 entries.
6469         Add "consumed" field.
6470         (gomp_print_output): Remove print_index parameter.
6471         Add final parameter.
6472         Change limit to unsigned.
6473         Use consumed field to implement circular buffer.
6474         Detect interrupted print in final pass.
6475         Flush output at the end.
6476         (run): Update gomp_print_output usage.
6477         (main): Initialize kernargs->output_data.consumed.
6478
6479 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
6480
6481         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
6482         calculation of the minimum number of scalar iterations for
6483         fully-predicated loops.
6484
6485 2019-03-18  Martin Jambor  <mjambor@suse.cz>
6486
6487         PR tree-optimization/89546
6488         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
6489         any propagation to its children took place.
6490
6491 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
6492
6493         PR target/89627
6494         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
6495         parameter, and make use of it.
6496         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
6497
6498 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6499
6500         * config/arc/arc.opt (mcode-density-frame): Get the inital value
6501         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
6502         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6503         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
6504         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
6505         match what the ops is doing.
6506         (push_multi_fp_blink): Likewise.
6507         * config/arc/arc.c (arc_override_options): Enable enter/leave when
6508         compiling for size and elf target.
6509         (arc_save_callee_enter): Adjust note to match what enter/leave
6510         operation does.
6511
6512 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6513
6514         * config/arc/arc.md (tst_movb): Fix constraint.
6515
6516 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6517
6518         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
6519
6520 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
6521
6522         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
6523         * config/arc/arc.c (arc_conditional_register_usage): Remove all
6524         reg_alloc_order references.
6525         (size_alloc_order): Define.
6526         (arc_adjust_reg_alloc_order): New function.
6527         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
6528         order.
6529         (ADJUST_REG_ALLOC_ORDER): Define.
6530         (HONOR_REG_ALLOC_ORDER): Likewise.
6531
6532 2019-03-18  Richard Biener  <rguenther@suse.de>
6533
6534         PR target/87561
6535         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
6536         loads and stores a bit more.
6537
6538 2019-03-18  Richard Biener  <rguenther@suse.de>
6539
6540         PR target/87561
6541         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
6542         load pessimization to stores as well.
6543
6544 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
6545
6546         PR middle-end/86979
6547         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
6548         successor, use NULL as its av set.
6549
6550 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
6551
6552         PR rtl-optimization/89721
6553         * lra-constraints (invariant_p): Return false if side_effects_p holds.
6554
6555 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6556
6557         PR target/87532
6558         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6559         When handling vec_extract, use modular arithmetic to allow
6560         constant selectors greater than vector length.
6561         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
6562         V1TImode vectors to have constant selector values greater than 0.
6563         Use modular arithmetic to compute vector index.
6564         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
6565         index for in-memory vectors.  Correct code generation for
6566         in-register vectors.
6567         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
6568         compute index.
6569
6570 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
6571
6572         PR c++/88534
6573         PR c++/88537
6574         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
6575         VAR_DECL args.
6576
6577 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
6578
6579         PR c++/89709
6580         * tree.c (inchash::add_expr): Strip any location wrappers.
6581         * fold-const.c (operand_equal_p): Move stripping of location wrapper
6582         after hash verification.
6583
6584         PR debug/89704
6585         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
6586         SIGN_EXTEND and ZERO_EXTEND.
6587
6588 2019-03-14  Jason Merrill  <jason@redhat.com>
6589             Jakub Jelinek  <jakub@redhat.com>
6590
6591         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
6592         than if is_empty (*slot).
6593         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
6594         existing elt and for elt removal.
6595         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
6596         of already removed elt.
6597
6598 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
6599
6600         PR target/89650
6601         * config/i386/i386.c (remove_partial_avx_dependency): Handle
6602         REG_EH_REGION note.
6603
6604 2019-03-14  Martin Liska  <mliska@suse.cz>
6605
6606         PR other/89712
6607         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
6608
6609 2019-03-14  Richard Biener  <rguenther@suse.de>
6610
6611         PR target/89711
6612         * config/i386/i386.c (make_resolver_func): Properly set
6613         DECL_CONTEXT on the RESULT_DECL.
6614         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
6615
6616 2019-03-14  Richard Biener  <rguenther@suse.de>
6617
6618         * gimple-pretty-print.c: Include cfgloop.h.
6619         (dump_gimple_phi): Adjust.
6620         (dump_gimple_bb_header): Dump loop header for GIMPLE.
6621         (pp_cfg_jump): Adjust.
6622         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
6623         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
6624         (lower_phi_internal_fn): Remove.
6625         (verify_gimple_call): Remove IFN_PHI special-casing.
6626         (dump_function_to_file): Dump IL state.
6627         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
6628         done to deal with PHI nodes being present in non-SSA state.
6629
6630 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6631
6632         PR ipa/89684
6633         * multiple_target.c (create_dispatcher_calls): Change
6634         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
6635         In the node->iterate_referring loop, push *ref rather than ref, call
6636         ref->remove_reference () and always pass 0 to iterate_referring.
6637
6638         PR rtl-optimization/89679
6639         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
6640         would contain a paradoxical SUBREG.
6641
6642 2019-03-14  Richard Biener  <rguenther@suse.de>
6643
6644         PR tree-optimization/89710
6645         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
6646         safe_dyn_cast.
6647
6648 2019-03-14  Martin Liska  <mliska@suse.cz>
6649
6650         * coverage.c (coverage_begin_function): Stream also
6651         end_column.
6652         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
6653         documentation about function declaration location.
6654         * gcov-dump.c (tag_function): Print whole range
6655         of function declaration.
6656         * gcov.c (struct function_info): Add end_column field.
6657         (function_info::function_info): Initialize it.
6658         (output_json_intermediate_file): Output {start,end}_column
6659         fields.
6660         (read_graph_file): Read end_column.
6661
6662 2019-03-14  Richard Biener  <rguenther@suse.de>
6663
6664         PR middle-end/89698
6665         * fold-const.c (operand_equal_p): For INDIRECT_REF check
6666         that the access types are similar.
6667
6668 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
6669
6670         PR tree-optimization/89703
6671         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
6672         aren't compatible also with builtin_decl_explicit.  Check pure
6673         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
6674         and BUILT_IN_STPNCPY{,_CHK}.
6675
6676 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
6677
6678         PR target/89523
6679         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
6680         addr32 prefix to VSIB address for X32.
6681         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
6682         "%M2" to opcode.
6683         (*avx512pf_gatherpf<mode>df_mask): Likewise.
6684         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
6685         (*avx512pf_scatterpf<mode>df_mask): Likewise.
6686         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
6687         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
6688         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
6689         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
6690         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
6691         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
6692         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
6693         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
6694         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
6695         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
6696         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
6697         (*avx512f_scatterdi<mode>): Likewise.
6698
6699 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
6700
6701         PR target/85860
6702         * lra-constraints.c (inherit_in_ebb): Update
6703         potential_reload_hard_regs along with live_hard_regs.
6704
6705 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6706
6707         PR debug/89498
6708         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
6709         DWARF_OFFSET_SIZE.
6710         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
6711
6712 2019-03-13  Martin Sebor  <msebor@redhat.com>
6713
6714         PR tree-optimization/89662
6715         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
6716         has a size.
6717
6718 2019-03-13  Richard Biener  <rguenther@suse.de>
6719
6720         PR middle-end/89677
6721         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
6722         throw FP expressions at tree-affine.
6723
6724 2019-03-14  Richard Biener  <rguenther@suse.de>
6725
6726         * tree-pretty-print.c (dump_generic_node): For -gimple properly
6727         dump negative integer constants using _Literal (type) -num.
6728
6729 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
6730
6731         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
6732         nonlocal_value member.
6733
6734         PR middle-end/88588
6735         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
6736         (ipa_simd_modify_function_body): Handle PHIs.
6737
6738 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6739
6740         * config/s390/s390.c (s390_option_override_internal): Use more
6741         aggressive inlining parameters.
6742
6743 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6744
6745         * config/s390/3906.md: New file.
6746         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6747         (LONGRUNNING_THRESHOLD): Remove.
6748         (MAX_SCHED_MIX_SCORE): Decrease.
6749         (MAX_SCHED_MIX_DISTANCE): Decrease.
6750         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
6751         (struct s390_sched_state): New struct to hold scheduling state.
6752         (S390_SCHED_STATE_NORMAL): Remove.
6753         (S390_SCHED_STATE_CRACKED): Remove.
6754         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
6755         (s390_get_sched_attrmask): Use new attribute.
6756         (s390_get_unit_mask): Use new units.
6757         (s390_is_fpd): New function.
6758         (s390_is_fxd): New function.
6759         (s390_is_longrunning): New function.
6760         (s390_sched_score): Use new functions.
6761         (s390_sched_reorder): Likewise.
6762         (s390_sched_variable_issue): Rework and use new functions.
6763         (s390_sched_init): Use new functions.
6764         * config/s390/s390.h (s390_tune_attr):  Add z14.
6765         * config/s390/s390.md: Add z14.
6766
6767 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
6768
6769         * config/s390/2964.md: Update pipeline description.
6770         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
6771         (LONGRUNNING_THRESHOLD): Remove.
6772         (LATENCY_FACTOR): Remove.
6773         (s390_get_unit_mask): Add unit.
6774         (s390_sched_score): Use fxd/fpd.
6775         (s390_sched_variable_issue): Use fxd/fpd.
6776
6777 2019-03-12  Martin Liska  <mliska@suse.cz>
6778
6779         * config/i386/i386.c: Reword an error message.
6780
6781 2019-03-12  Martin Jambor  <mjambor@suse.cz>
6782
6783         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
6784         terminate with newline.
6785
6786 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
6787
6788         PR target/52726
6789         * config/s390/s390.md (tabort): Use %wd instead of
6790         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
6791         letters and periods.
6792         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
6793         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
6794         's with %< and %>.
6795
6796         PR middle-end/89663
6797         * builtins.c (expand_builtin_int_roundingfn,
6798         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
6799         gcc_unreachable if validate_arglist fails.
6800
6801 2019-03-12  Richard Biener  <rguenther@suse.de>
6802
6803         PR tree-optimization/89664
6804         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
6805         free the occurance tree after the early out.
6806
6807 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
6808
6809         PR middle-end/89655
6810         PR bootstrap/89656
6811         * vr-values.c (vr_values::update_value_range): If
6812         old_vr->varying_p (), don't update it, make new_vr also VARYING
6813         and return false.
6814
6815 2019-03-11  Martin Liska  <mliska@suse.cz>
6816
6817         * config/aarch64/aarch64.c (aarch64_override_options_internal):
6818         Fix double string quoting.
6819
6820 2019-03-11  Martin Liska  <mliska@suse.cz>
6821
6822         * collect-utils.c (collect_wait): Wrap apostrophes
6823         in gcc internal format with %'.
6824         * collect2.c (main): Likewise.
6825         (scan_prog_file): Likewise.
6826         (scan_libraries): Likewise.
6827         * config/i386/i386.c (ix86_expand_call): Likewise.
6828         (ix86_handle_interrupt_attribute): Likewise.
6829         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
6830         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
6831         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
6832         * lto-wrapper.c (find_crtoffloadtable): Likewise.
6833         * symtab.c (symtab_node::verify_base): Likewise.
6834         * tree-cfg.c (verify_gimple_label): Likewise.
6835         * tree.c (verify_type_variant): Likewise.
6836
6837 2019-03-11  Martin Liska  <mliska@suse.cz>
6838
6839         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
6840         in a string format message and fix GNU coding style.
6841         (expand_builtin_set_thread_pointer): Likewise.
6842         * common/config/aarch64/aarch64-common.c
6843         (aarch64_rewrite_selected_cpu): Likewise.
6844         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
6845         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
6846         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
6847         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
6848         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
6849         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
6850         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
6851         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
6852         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
6853         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
6854         Likewise.
6855         * common/config/riscv/riscv-common.c
6856         (riscv_subset_list::parsing_subset_version): Likewise.
6857         (riscv_subset_list::parse_std_ext): Likewise.
6858         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
6859         (riscv_subset_list::parse): Likewise.
6860         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
6861         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
6862         (aarch64_override_options_internal): Likewise.
6863         (aarch64_validate_mcpu): Likewise.
6864         (aarch64_validate_march): Likewise.
6865         (aarch64_validate_mtune): Likewise.
6866         (aarch64_override_options): Likewise.
6867         * config/alpha/alpha.c (alpha_option_override): Likewise.
6868         * config/arc/arc.c (arc_init): Likewise.
6869         (parse_mrgf_banked_regs_option): Likewise.
6870         (arc_override_options): Likewise.
6871         (arc_expand_builtin_aligned): Likewise.
6872         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
6873         (arm_expand_builtin): Likewise.
6874         * config/arm/arm.c (arm_option_check_internal): Likewise.
6875         (arm_configure_build_target): Likewise.
6876         (arm_option_override): Likewise.
6877         (arm_options_perform_arch_sanity_checks): Likewise.
6878         (arm_handle_cmse_nonsecure_entry): Likewise.
6879         (arm_handle_cmse_nonsecure_call): Likewise.
6880         (arm_tls_referenced_p): Likewise.
6881         (thumb1_expand_prologue): Likewise.
6882         * config/avr/avr.c (avr_option_override): Likewise.
6883         * config/bfin/bfin.c (bfin_option_override): Likewise.
6884         * config/c6x/c6x.c (c6x_option_override): Likewise.
6885         * config/cr16/cr16.c (cr16_override_options): Likewise.
6886         * config/cris/cris.c (cris_option_override): Likewise.
6887         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
6888         * config/darwin-c.c (macosx_version_as_macro): Likewise.
6889         * config/darwin.c (darwin_override_options): Likewise.
6890         * config/frv/frv.c (frv_expand_builtin): Likewise.
6891         * config/h8300/h8300.c (h8300_option_override): Likewise.
6892         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
6893         (ix86_option_override_internal): Likewise.
6894         (warn_once_call_ms2sysv_xlogues): Likewise.
6895         (ix86_expand_prologue): Likewise.
6896         (split_stack_prologue_scratch_regno): Likewise.
6897         (ix86_warn_parameter_passing_abi): Likewise.
6898         * config/ia64/ia64.c (fix_range): Likewise.
6899         * config/m68k/m68k.c (m68k_option_override): Likewise.
6900         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
6901         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
6902         (mips_set_compression_mode): Likewise.
6903         * config/mmix/mmix.c (mmix_option_override): Likewise.
6904         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
6905         * config/msp430/msp430.c (msp430_option_override): Likewise.
6906         * config/nds32/nds32.c (nds32_option_override): Likewise.
6907         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
6908         (nios2_option_override): Likewise.
6909         (nios2_expand_custom_builtin): Likewise.
6910         * config/nvptx/mkoffload.c (main): Likewise.
6911         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
6912         * config/pa/pa.c (fix_range): Likewise.
6913         (pa_option_override): Likewise.
6914         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
6915         (riscv_option_override): Likewise.
6916         * config/rl78/rl78.c (rl78_option_override): Likewise.
6917         * config/rs6000/aix61.h: Likewise.
6918         * config/rs6000/aix71.h: Likewise.
6919         * config/rs6000/aix72.h: Likewise.
6920         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
6921         * config/rs6000/freebsd64.h: Likewise.
6922         * config/rs6000/linux64.h: Likewise.
6923         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
6924         (rs6000_expand_zeroop_builtin): Likewise.
6925         (rs6000_expand_mtfsb_builtin): Likewise.
6926         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
6927         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
6928         (rs6000_invalid_builtin): Likewise.
6929         (rs6000_expand_split_stack_prologue): Likewise.
6930         * config/rs6000/rtems.h: Likewise.
6931         * config/rx/rx.c (valid_psw_flag): Likewise.
6932         (rx_expand_builtin): Likewise.
6933         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
6934         * config/s390/s390.c (s390_expand_builtin): Likewise.
6935         (s390_function_profiler): Likewise.
6936         (s390_option_override_internal): Likewise.
6937         (s390_option_override): Likewise.
6938         * config/sh/sh.c (sh_option_override): Likewise.
6939         (sh_builtin_saveregs): Likewise.
6940         (sh_fix_range): Likewise.
6941         * config/sh/vxworks.h: Likewise.
6942         * config/sparc/sparc.c (sparc_option_override): Likewise.
6943         * config/spu/spu.c (spu_option_override): Likewise.
6944         (fix_range): Likewise.
6945         * config/visium/visium.c (visium_option_override): Likewise.
6946         (visium_handle_interrupt_attr): Likewise.
6947         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
6948         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
6949         (dbg_cnt_process_opt): Likewise.
6950         * dwarf2out.c (output_dwarf_version): Likewise.
6951         * except.c (expand_eh_return): Likewise.
6952         * gcc.c (defined): Likewise.
6953         (driver_handle_option): Likewise.
6954         (process_command): Likewise.
6955         (compare_files): Likewise.
6956         (driver::prepare_infiles): Likewise.
6957         (driver::do_spec_on_infiles): Likewise.
6958         (driver::maybe_run_linker): Likewise.
6959         * omp-offload.c (oacc_parse_default_dims): Likewise.
6960         * opts-global.c (handle_common_deferred_options): Likewise.
6961         * opts.c (parse_sanitizer_options): Likewise.
6962         (common_handle_option): Likewise.
6963         (enable_warning_as_error): Likewise.
6964         * passes.c (enable_disable_pass): Likewise.
6965         * plugin.c (parse_plugin_arg_opt): Likewise.
6966         (default_plugin_dir_name): Likewise.
6967         * targhooks.c (default_expand_builtin_saveregs): Likewise.
6968         (default_pch_valid_p): Likewise.
6969         * toplev.c (init_asm_output): Likewise.
6970         (process_options): Likewise.
6971         (toplev::run_self_tests): Likewise.
6972         * tree-cfg.c (verify_gimple_call): Likewise.
6973         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
6974         (tree_inlinable_function_p): Likewise.
6975         * var-tracking.c (vt_find_locations): Likewise.
6976
6977 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
6978
6979         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
6980         only on the else branch.
6981
6982 2019-03-11  Martin Liska  <mliska@suse.cz>
6983
6984         * gcov.c (output_intermediate_json_line): Print function
6985         name of each line.
6986         (output_json_intermediate_file): Add new argument.
6987         * doc/gcov.texi: Document the change.
6988
6989 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
6990
6991         PR rtl-optimization/89588
6992         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
6993         explicit unrolling factor more robust.
6994
6995 2019-03-11  Richard Biener  <rguenther@suse.de>
6996
6997         PR tree-optimization/89649
6998         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
6999         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
7000         on the prolog and epilog loops.
7001         (vect_loop_versioning): Return copy of loop.
7002         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
7003         on the non-vectorized version of the loop.
7004
7005 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
7006
7007         PR target/68924
7008         * config/i386/sse.md (*vec_extractv2di_0_sse):
7009         Add (=r,x) alternative and corresponding splitter.
7010
7011 2019-03-10  Martin Jambor  <mjambor@suse.cz>
7012
7013         PR tree-optimization/85762
7014         PR tree-optimization/87008
7015         PR tree-optimization/85459
7016         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
7017         it points to if there is a type changing MEM_REF.  Adjust all callers.
7018         (build_accesses_from_assign): Disable total scalarization if
7019         contains_vce_or_bfcref_p returns true through the new parameter, for
7020         both rhs and lhs.
7021
7022 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
7023
7024         PR c/88568
7025         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
7026         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
7027
7028         PR target/79645
7029         * common.opt (fdiagnostics-show-labels,
7030         fdiagnostics-show-line-numbers, fdiagnostics-format=,
7031         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
7032         gas-locview-support, ginline-points, ginternal-reset-location-views):
7033         Terminate description text with a dot.
7034         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
7035         * config/mcore/mcore.opt (m210, m340): Likewise.
7036         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
7037         mnops=): Start description text with a capital letter.
7038         * config/arc/arc.opt (msize-level=): Likewise.
7039         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
7040         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
7041         mnewlib): Likewise.
7042         * config/ft32/ft32.opt (msim): Likewise.
7043         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
7044         (mnodiv, mnopm): Terminate description text with a dot.
7045         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
7046         a colon.
7047         * config/i386/i386.opt (prefer_vector_width, instrument_return):
7048         Likewise.
7049         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
7050         text.
7051
7052         PR rtl-optimization/89634
7053         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
7054         are modified in BB_END (e->src) instruction.
7055
7056 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
7057
7058         PR target/79926
7059         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
7060         messages more amenable to translation, and improve wording.
7061
7062 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
7063
7064         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
7065         ud- and du-chains between phases.
7066
7067 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
7068
7069         PR debug/89631
7070         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
7071         instead of POLY_INT_CST.
7072
7073 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
7074
7075         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
7076         requirement.
7077
7078 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
7079
7080         PR target/68924
7081         PR target/78782
7082         PR target/87558
7083         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
7084         (_mm_storeu_si64): Ditto.
7085
7086 2019-03-08  Martin Liska  <mliska@suse.cz>
7087
7088         PR target/86952
7089         * config/i386/i386.c (ix86_option_override_internal): Disable
7090         jump tables when retpolines are used.
7091
7092 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
7093
7094         PR go/63560
7095         * ipa-split.c (execute_split_functions): Do not split
7096         'noinline' or 'section' function.
7097
7098 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7099
7100         PR target/79846
7101         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
7102         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
7103         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
7104
7105         PR ipa/80000
7106         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
7107         from diagnostics.  Formatting fixes.
7108
7109         PR target/85665
7110         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
7111         warn_odr diagnostics.
7112
7113         PR other/80058
7114         * lra-constraints.c (process_alt_operands): Avoid one space before
7115         " at the end of line and another after " on another line in a string
7116         literal.
7117         * attribs.c (handle_dll_attribute): Likewise.
7118         * config/avr/avr-devices.c (avr_texinfo): Likewise.
7119
7120         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
7121         warning_at or inform messages in G_() if there is no ?:.
7122
7123         PR tree-optimization/89550
7124         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
7125         returned true.  Formatting fixes.
7126         (expand_builtin_strnlen): Formatting fixes.
7127         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
7128         if warning_at returned true.
7129         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
7130
7131 2019-03-08  Richard Biener  <rguenther@suse.de>
7132
7133         PR middle-end/89578
7134         * cfgloop.h (struct loop): Add owned_clique field.
7135         * cfgloopmanip.c (copy_loop_info): Copy it.
7136         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
7137         cliques.
7138         * tree-inline.c (copy_loops): Remap owned_clique.
7139         * lto-streamer-in.c (input_cfg): Stream owned_clique.
7140         * lto-streamer-out.c (output_cfg): Likewise.
7141
7142 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
7143
7144         PR target/80190
7145         * config/darwin.c: Include intl.h.
7146         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
7147         composing the message out of two separate parts.
7148
7149 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7150
7151         PR target/80003
7152         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
7153         doesn't start with a capital letter and doesn't end with a dot.
7154         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
7155         with a capital letter.
7156         (ix86_mangle_function_version_assembler_name): Likewise.
7157         (ix86_generate_version_dispatcher_body): Likewise.
7158         (fold_builtin_cpu): Likewise.
7159         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
7160         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
7161         translators, wrap full type name in %qs.
7162
7163         PR translation/79999
7164         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
7165         depend clause with source (or sink) modifier.
7166         * omp-expand.c (expand_omp_ordered_sink): Likewise.
7167
7168         PR target/89602
7169         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
7170         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
7171         (avx512f_load<mode>_mask): New define_expand.
7172         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
7173         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
7174         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
7175         __builtin_ia32_movess_mask): New builtins.
7176         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
7177         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
7178         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
7179         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
7180
7181 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7182
7183         PR lto/87525
7184         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
7185         for extern inline functions.
7186
7187 2019-03-07  Martin Jambor  <mjambor@suse.cz>
7188
7189         PR ipa/88235
7190         * cgraph.h (cgraph_node): New inline method former_thunk_p.
7191         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
7192         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
7193         have multiple callees.  At the end check if declarations match as
7194         opposed to cgraph_nodes.
7195
7196 2019-03-07  Martin Liska  <mliska@suse.cz>
7197
7198         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
7199         which is equivalent to searching for this in clones chain.
7200         * symtab.c (symtab_node::verify_base): Similarly compare ASM
7201         names with a neighbour and special case first node in a chain.
7202
7203 2019-01-25  Jason Merrill  <jason@redhat.com>
7204
7205         PR c++/80916 - spurious "static but not defined" warning.
7206         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
7207         for an internal symbol with DECL_EXTERNAL.
7208
7209 2019-04-07  Richard Biener  <rguenther@suse.de>
7210
7211         PR middle-end/89618
7212         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
7213         * tree-inline.c (copy_loops): Simplify.
7214
7215 2019-03-07  Martin Liska  <mliska@suse.cz>
7216
7217         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
7218
7219 2019-03-07  Richard Biener  <rguenther@suse.de>
7220
7221         PR tree-optimization/89595
7222         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
7223         stmt iterator as reference, take boolean output parameter to
7224         indicate whether the stmt was removed and thus the iterator
7225         already advanced.
7226         (dom_opt_dom_walker::before_dom_children): Re-iterate over
7227         stmts created by folding.
7228
7229 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
7230
7231         PR c++/89585
7232         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
7233         at toplevel.
7234
7235 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
7236
7237         PR rtl-optimization/88845
7238         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
7239         LRA.
7240         * lra.c (remove_scratches_1): New function.
7241         (remove_scratches): Use it.
7242         (lra_emit_move): Likewise.
7243
7244 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
7245
7246         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
7247         unaligned_access variable.
7248         * config/arc/arc.c (arc_override_options): Set unaligned access
7249         default on for HS CPUs.
7250         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
7251
7252 2019-03-06  Martin Liska  <mliska@suse.cz>
7253
7254         PR gcov-profile/89577
7255         * doc/gcov.texi: Prefer to use --coverage.
7256         * doc/sourcebuild.texi: Likewise.
7257
7258 2019-03-02  Jason Merrill  <jason@redhat.com>
7259
7260         PR c++/86485 - -Wmaybe-unused with empty class ?:
7261         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
7262
7263 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7264
7265         PR target/89587
7266         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
7267         if_multiarch.
7268
7269         PR middle-end/89590
7270         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
7271         exactly one argument.
7272
7273 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7274             Richard Sandiford  <richard.sandiford@arm.com>
7275
7276         PR tree-optimization/89570
7277         * match.pd (vec_cond into cond_op simplification): Don't use
7278         get_conditional_internal_fn, use as_internal_fn (cond_op).
7279
7280 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
7281
7282         PR target/89222
7283         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
7284         to decide when to split off a non-zero offset from a symbol.
7285         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
7286         in function symbols.
7287
7288 2019-03-05  Richard Biener  <rguenther@suse.de>
7289
7290         PR tree-optimization/89594
7291         * tree-if-conv.c (pass_if_conversion::execute): Handle
7292         case where .LOOP_VECTORIZED_FUNCTION was removed.
7293
7294 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
7295
7296         PR bootstrap/89560
7297         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
7298         instead alloca it only when needed with the needed size.
7299
7300         PR tree-optimization/89570
7301         * match.pd (vec_cond into cond_op simplification): Guard with
7302         vectorized_internal_fn_supported_p test and #if GIMPLE.
7303
7304         PR tree-optimization/89566
7305         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
7306         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
7307         Punt if get_user_idx_format succeeds, but idx_format argument is
7308         not provided or doesn't have pointer type, or if idx_args is above
7309         number of provided arguments.
7310
7311 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
7312
7313         PR tree-optimization/89437
7314         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
7315
7316 2019-03-04  Richard Biener  <rguenther@suse.de>
7317
7318         PR middle-end/89572
7319         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
7320         safe_dyn_cast.
7321
7322 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
7323
7324         PR tree-optimization/89487
7325         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
7326         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
7327         (distribute_loop): Don't do runtime alias check if there is non-
7328         addressable data reference.
7329         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
7330         is a register variable.
7331
7332 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
7333
7334         PR target/89506
7335         * config/arm/arm.md (cmpsi2_addneg): Use
7336         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
7337         If operands[2] is 0 or INT_MIN, force use of subs.
7338         (*compare_scc splitter): Use gen_int_mode.
7339         (*negscc): Likewise.
7340         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
7341
7342 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
7343             Monk Chiang  <sh.chiang04@gmail.com>
7344
7345         * common/config/riscv/riscv-common.c: Include sstream.
7346         (riscv_subset_list::to_string): New.
7347         (riscv_arch_str): Likewise.
7348         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
7349         * config.in: Regen.
7350         * config/riscv/riscv-protos.h (riscv_arch_str): New.
7351         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
7352         (riscv_emit_attribute): New.
7353         (riscv_file_start): Emit attribute if needed.
7354         (riscv_option_override): Init riscv_emit_attribute_p.
7355         * config/riscv/riscv.opt (mriscv-attribute): New option.
7356         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
7357         * configure: Regen.
7358         * doc/install.texi: Document --with-riscv-attribute.
7359         * doc/invoke.texi: Document -mriscv-attribute.
7360
7361         * common/config/riscv/riscv-common.c:
7362         Include config/riscv/riscv-protos.h.
7363         (INCLUDE_STRING): Defined.
7364         (RISCV_DONT_CARE_VERSION): Defined.
7365         (riscv_subset_t): Declare.
7366         (riscv_subset_t::riscv_subset_t): New.
7367         (riscv_subset_list): Declare.
7368         (riscv_subset_list::riscv_subset_list): New.
7369         (riscv_subset_list::~riscv_subset_list): Likewise.
7370         (riscv_subset_list::parsing_subset_version): Likewise.
7371         (riscv_subset_list::parse_std_ext): Likewise.
7372         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
7373         (riscv_subset_list::add): Likewise.
7374         (riscv_subset_list::lookup): Likewise.
7375         (riscv_subset_list::xlen): Likewise.
7376         (riscv_subset_list::parse): Likewise.
7377         (riscv_supported_std_ext): Likewise.
7378         (current_subset_list): Likewise.
7379         (riscv_parse_arch_string): Using riscv_subset_list::parse to
7380         parse.
7381
7382 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
7383
7384         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
7385         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
7386         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
7387
7388 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
7389
7390         PR rtl-optimization/85899
7391         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
7392         fallthru edges leading to the exit block.
7393
7394 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
7395
7396         PR target/89517
7397         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
7398         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
7399
7400 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
7401
7402         PR tree-optimization/89535
7403         * tree-vect-stmts.c (vectorizable_call): Record the vector types
7404         for each operand.  Calculate the fallback choice for mask operands
7405         and pass it to vect_get_vec_def_for_operand.
7406
7407 2019-03-01  Richard Biener  <rguenther@suse.de>
7408
7409         PR middle-end/89541
7410         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
7411         get virtual operands.
7412         (get_expr_operands): Handle CONST_DECL like other decls.
7413
7414 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7415
7416         PR middle-end/89503
7417         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
7418         on DECL_P and EXPR_P.
7419
7420 2019-03-01  Richard Biener  <rguenther@suse.de>
7421
7422         PR middle-end/89497
7423         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
7424         argument, defaulted to zero.
7425         * passes.c (execute_function_todo): Pass down SSA update flags
7426         to cleanup_tree_cfg.
7427         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
7428         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
7429         form if requested.
7430         (cleanup_tree_cfg): Get and pass down SSA update flags.
7431
7432 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
7433
7434         PR bootstrap/89539
7435         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
7436         early_lto_debug argument.
7437
7438 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
7439
7440         PR tree-optimization/89536
7441         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
7442         only whether bit #0 of the value is 0 instead of the entire value.
7443
7444 2019-02-28  Marek Polacek  <polacek@redhat.com>
7445
7446         PR c++/87068 - missing diagnostic with fallthrough statement.
7447         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
7448         at the end of a seq, save its location to walk_stmt_info.
7449         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
7450         a switch.
7451
7452 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
7453
7454         PR lto/88585
7455         * tree.c (find_atomic_core_type): Move ahead in file.
7456         (check_base_type): Correctly compare alignments of atomic types.
7457
7458 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7459
7460         PR target/89455
7461         * config/i386/i386.c (get_builtin_code_for_version): Identify
7462         Westmere from PCLMUL, instead of AES.
7463
7464 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7465
7466         PR target/89434
7467         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
7468         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
7469         -UINTVAL (...).
7470
7471 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
7472
7473         PR target/88530
7474         * config/aarch64/aarch64-option-extensions.def: Document it.
7475         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
7476         if empty hwcaps.
7477
7478 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
7479
7480         PR c/89520
7481         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
7482         builtins if they don't have a single scalar floating point argument.
7483         Formatting fixes.
7484
7485 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7486
7487         PR rtl-optimization/89490
7488         * varasm.c (get_block_for_section): Bail out for mergeable sections.
7489         (default_use_anchors_for_symbol_p, output_object_block): Assert the
7490         block section is not mergeable.
7491
7492 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7493
7494         PR target/70341
7495         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
7496         old define_insn to ...
7497         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
7498         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
7499         Rename old define_insn to ...
7500         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
7501         (thumb2_casesi_internal_pic): New define_expand.  Rename old
7502         define_insn to ...
7503         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
7504         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
7505         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
7506
7507 2019-02-27  Richard Biener  <rguenther@suse.de>
7508
7509         PR debug/88878
7510         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
7511
7512 2019-02-27  Richard Biener  <rguenther@suse.de>
7513
7514         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
7515         building.
7516
7517 2019-02-27  Richard Biener  <rguenther@suse.de>
7518
7519         PR debug/88878
7520         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
7521         parameter, prefix section name with .gnu.debuglto_ if true.
7522         (dwarf2out_finish): Pass false to output_comdat_type_unit.
7523         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
7524
7525 2019-02-27  Richard Biener  <rguenther@suse.de>
7526
7527         PR debug/89514
7528         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
7529         rather than on use_debug_types, doing what output_die does.
7530         (value_format): Likewise.
7531
7532 2019-02-27  Martin Jambor  <mjambor@suse.cz>
7533             Martin Sebor  <msebor@redhat.com>
7534
7535         * doc/invoke.texi (Warning Options): Reword description of
7536         -Wno-absolute-value.
7537
7538 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
7539
7540         PR tree-optimization/89280
7541         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
7542         builtin_setjmp_setup_bb): New functions.
7543         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
7544         When visiting __builtin_setjmp_setup block, queue in special
7545         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
7546         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
7547         from visited after the loop if they don't have any visited successor
7548         blocks.
7549
7550 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
7551
7552         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
7553         New function.
7554         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
7555
7556 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7557
7558         PR c++/89507
7559         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
7560         with types other than sizetype/ssizetype.
7561
7562 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7563
7564         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
7565         (enum sparc_processor_type): ...this.
7566         (enum sparc_code_model_type): New enumeration type.
7567         (enum sparc_memory_model_type): Tweak comments.
7568         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
7569         (mtune): Likewise.
7570         (mcmodel): Use sparc_code_model enumeration and variable.
7571         (sparc_code_model): New enumeration.
7572         (mdebug): Add Undocumented marker.
7573         * config/sparc/sparc.h (enum cmodel): Delete.
7574         (sparc_cmodel): Likewise.
7575         (TARGET_CM_MEDLOW): Adjust to above renaming.
7576         (TARGET_CM_MEDMID): Likewise.
7577         (TARGET_CM_MEDANY): Likewise.
7578         (TARGET_CM_EMBMEDANY): Likewise.
7579         * config/sparc/sparc.c (sparc_cmodel): Delete.
7580         (sparc_option_override): Remove string/value mapping support for the
7581         code model.  Move code and memory model support to after the handling
7582         of target flags.  Do private machine setup last.
7583         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
7584         (sparc_legitimize_reload_address): Likewise.
7585         (sparc_output_mi_thunk): Likewise.
7586         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
7587
7588 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7589
7590         PR tree-optimization/89500
7591         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
7592         (handle_builtin_strlen): Remove noncst_bound variable.  Always
7593         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
7594         cst if the first cst bytes starting at x are known to be non-zero,
7595         even if the string is not zero terminated.  Don't try to modify
7596         *si for strnlen.  Update strlen_to_stridx only for strlen or if
7597         we can prove strnlen returns the same value as strlen would.
7598
7599 2019-02-26  Martin Liska  <mliska@suse.cz>
7600
7601         * alloc-pool.h (struct pool_usage): Remove extra
7602         print_dash_line.
7603         * bitmap.h (struct bitmap_usage): Likewise.
7604         * ggc-common.c (struct ggc_usage): Likewise.
7605         * mem-stats.h (struct mem_usage): Likewise.
7606         (mem_alloc_description::dump): Print dash lines
7607         here and repeat header at the end of a table report.
7608         It's then more readable.
7609         * tree-phinodes.c (phinodes_print_statistics): Make
7610         horizontal alignment.
7611         * tree-ssanames.c (ssanames_print_statistics): Likewise.
7612         * vec.c (struct vec_usage): Remove extra print_dash_line.
7613         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
7614
7615 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
7616
7617         * doc/extend.texi (__builtin_object_size):
7618         Use @pxref instead of @xref inside parenthesis.
7619         (__builtin_has_attribute): Add missing comma after @xref.
7620         (__builtin_object_size): Ditto.
7621         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
7622         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
7623         in the list.
7624
7625 2019-02-26  Jeff Law  <law@redhat.com>
7626
7627         PR rtl-optimization/87761
7628         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
7629         detect obviously dead insns and delete them.
7630
7631 2019-02-26  Richard Biener  <rguenther@suse.de>
7632
7633         PR tree-optimization/89505
7634         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
7635         to handle restrict pointed-to vars with multiple subvars
7636         correctly.
7637
7638 2019-02-26  Richard Biener  <rguenther@suse.de>
7639
7640         PR tree-optimization/89489
7641         * tree-parloops.c (create_loop_fn): Copy over last_clique.
7642
7643 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
7644
7645         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
7646         and move around comment.
7647         <BIT_AND_EXPR>: Likewise.
7648         <BIT_NOT_EXPR>: Add specific handling for boolean types.
7649
7650 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
7651
7652         PR target/89474
7653         * config/i386/i386.c (remove_partial_avx_dependency): Call
7654         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
7655         after changing possibly many instructions to use that pseudo.  Fix up
7656         insertion of v4sf_const0 setter at the start of bb.
7657
7658 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7659
7660         PR c/80409
7661         * doc/extend.texi (Variadic Pointer Args): New section.
7662
7663 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
7664             Martin Sebor  <msebor@gmail.com>
7665
7666         * common.opt (Wattribute-alias): Likewise.
7667         * doc/invoke.texi (Option Summary): List general form of
7668         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
7669         (-Wmissing-attributes): Invert entry, rewrite and correct default.
7670         Add cross-references.
7671         (-Wattribute-alias): Rewrite and correct default.  Mention
7672         considered attributes (same as for -Wmissing-attributes).
7673
7674 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
7675
7676         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
7677         (_mm_cvtpd_ps): Likewise.
7678         (_mm_cvttpd_epi32): Likewise.
7679
7680         PR target/89338
7681         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
7682         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
7683
7684         PR target/89339
7685         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
7686
7687 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7688
7689         PR target/88530
7690         * common/config/aarch64/aarch64-common.c
7691         (struct aarch64_option_extension): Add is_synthetic.
7692         (all_extensions): Use it.
7693         (TARGET_OPTION_INIT_STRUCT): Define hook.
7694         (struct gcc_targetm_common): Moved to end.
7695         (all_extensions_by_on): New.
7696         (opt_ext_cmp, typedef opt_ext): New.
7697         (aarch64_option_init_struct): New.
7698         (aarch64_contains_opt): New.
7699         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
7700         * config/aarch64/aarch64-option-extensions.def
7701         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
7702         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
7703         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
7704         Set is_synthetic to false.
7705         (crypto): Set is_synthetic to true.
7706         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
7707         SYNTHETIC.
7708
7709 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7710
7711         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7712         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
7713         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7714         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
7715         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
7716         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
7717         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
7718         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
7719         Rename ...
7720         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
7721         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7722         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
7723         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
7724         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
7725         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
7726         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
7727         vfmlsl_laneq_high_f16): ... To this.
7728         * config/arm/neon.md: Update comments.
7729
7730 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
7731
7732         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
7733         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
7734         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
7735         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
7736         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
7737         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
7738         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
7739         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
7740         Rename ...
7741         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
7742         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
7743         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
7744         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
7745         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
7746         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
7747         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
7748         vfmlslq_laneq_high_f16): ... To this.
7749
7750 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
7751
7752         PR rtl-optimization/86096
7753         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
7754         comparing mw_order values.
7755
7756 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
7757
7758         PR target/89434
7759         * config/arm/arm.md (*subsi3_carryin_const): Use
7760         arm_neg_immediate_operand predicate instead of
7761         arm_not_immediate_operand, "L" constraint instead of "K" and
7762         print it using %n2 instead of %B2.
7763         (*subsi3_carryin_const0): New define_insn.
7764         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
7765         instead of arm_not_operand and "I" constraint instead of "K" and
7766         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
7767         another match_operand and in the condition check that it is negation
7768         of operands[2].
7769         (*subsi3_carryin_compare_const0): New define_ins.
7770         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
7771         *subsi3_carryin_const.
7772         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
7773         split into *subsi3_carryin_compare_const0 if the highpart is zero.
7774
7775         PR target/89438
7776         * config/arm.vfp.md (*negdf2_vfp): Use
7777         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
7778         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
7779
7780 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
7781
7782         PR rtl-optimization/89445
7783         * simplify-rtx.c (simplify_ternary_operation): Don't use
7784         simplify_merge_mask on operands that may trap.
7785         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
7786         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
7787         second operand is CONST_VECTOR, check if any element could be zero.
7788         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
7789         their operands can trap.
7790
7791 2019-02-23  Martin Sebor  <msebor@redhat.com>
7792
7793         * gimple-ssa-sprintf.c (target_strtol): Rename...
7794         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
7795         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
7796         check for range error.
7797
7798 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
7799
7800         PR driver/69471
7801         * opts-common.c (prune_options): Also prune joined switches
7802         with Negative and RejectNegative.
7803         * config/i386/i386.opt (march=): Add Negative(march=).
7804         (mtune=): Add Negative(mtune=).
7805         * doc/options.texi: Document Negative used together with Joined
7806         and RejectNegative.
7807
7808 2019-02-22  Martin Sebor  <msebor@redhat.com>
7809
7810         * doc/extend.texi (Other Builtins): Add
7811         __builtin_is_constant_evaluated.
7812
7813 2019-02-22  Richard Biener  <rguenther@suse.de>
7814
7815         PR tree-optimization/87609
7816         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
7817
7818 2019-02-22  Jeff Law  <law@redhat.com>
7819
7820         PR rtl-optimization/87761
7821         * config/mips/mips.md: Add new combiner pattern to recognize
7822         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
7823
7824 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
7825
7826         PR target/89324
7827         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
7828         destination register in peepholes generating patterns for ADDS/SUBS.
7829         (add<mode>3_compare0,
7830         *addsi3_compare0_uxtw, add<mode>3_compareC,
7831         add<mode>3_compareV_imm, add<mode>3_compareV,
7832         *adds_<optab><ALLX:mode>_<GPI:mode>,
7833         *subs_<optab><ALLX:mode>_<GPI:mode>,
7834         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
7835         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
7836         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
7837         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
7838         sub<mode>3_compare1): Allow stack pointer for source register.
7839         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
7840
7841 2019-02-22  Martin Sebor  <msebor@redhat.com>
7842
7843         PR tree-optimization/88993
7844         PR tree-optimization/88853
7845         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
7846         New helper.
7847         (sprintf_dom_walker::call_info::is_string_func): New helper.
7848         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
7849         for formatted string functions.
7850         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
7851
7852 2019-02-22  Martin Sebor  <msebor@redhat.com>
7853
7854         PR c/89425
7855         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
7856         unreachable subexpressions.
7857
7858 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
7859             Hongtao Liu  <hongtao.liu@intel.com>
7860             Sunil K Pandey  <sunil.k.pandey@intel.com>
7861
7862         PR target/87007
7863         * config/i386/i386-passes.def: Add
7864         pass_remove_partial_avx_dependency.
7865         * config/i386/i386-protos.h
7866         (make_pass_remove_partial_avx_dependency): New.
7867         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
7868         New function.
7869         (pass_data_remove_partial_avx_dependency): New.
7870         (pass_remove_partial_avx_dependency): Likewise.
7871         (make_pass_remove_partial_avx_dependency): Likewise.
7872         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
7873         (*extendsfdf2): Add avx_partial_xmm_update.
7874         (truncdfsf2): Likewise.
7875         (*float<SWI48:mode><MODEF:mode>2): Likewise.
7876         (SF/DF conversion splitters): Disabled for TARGET_AVX.
7877
7878 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
7879
7880         PR middle-end/85598
7881         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
7882         analysis for pass.
7883
7884 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
7885
7886         PR target/89444
7887         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
7888         (PTA_SKYLAKE): Add PTA_AES.
7889         (PTA_GOLDMONT): Likewise.
7890
7891 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
7892
7893         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
7894         instruction if enabled.
7895         (aarch64_override_options): Remove reference to return address key.
7896
7897 2019-02-22  Richard Biener  <rguenther@suse.de>
7898
7899         PR tree-optimization/89440
7900         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
7901         not necessary assert.
7902
7903 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
7904
7905         PR fortran/72741
7906         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
7907         (oacc_replace_fn_attrib_attr): ... this new function.
7908         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
7909         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
7910
7911 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7912
7913         * config/arm/arm-cpus.in (ares): Rename to...
7914         (neoverse-n1): ... This.  Add ares as alias.
7915         * config/arm/arm-tables.opt: Regenerate.
7916         * config/arm/arm-tune.md: Likewise.
7917         * doc/invoke.txt (ARM Options): Document neoverse-n1.
7918
7919 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7920
7921         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
7922         * config/aarch64/aarch64-tune.md: Regenerate.
7923         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
7924
7925 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7926
7927         * config/aarch64/aarch64.c (ares_tunings): Rename to...
7928         (neoversen1_tunings): ... This.
7929         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
7930         (neoverse-n1): New CPU.
7931         * config/aarch64/aarch64-tune.md: Regenerate.
7932         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
7933
7934 2019-02-22  Richard Biener  <rguenther@suse.de>
7935
7936         PR middle-end/87609
7937         * cfghooks.h (dependence_hash): New typedef.
7938         (struct copy_bb_data): New type.
7939         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
7940         (duplicate_block): Likewise.
7941         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
7942         (copy_bbs): Create and pass down copy_bb_data.
7943         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
7944         (rtl_duplicate_bb): Likewise.
7945         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
7946         remap dependence info.
7947
7948 2019-02-22  Richard Biener  <rguenther@suse.de>
7949
7950         PR tree-optimization/87609
7951         * tree-core.h (tree_base): Document special clique values.
7952         * tree-inline.c (remap_dependence_clique): Do not use the
7953         special clique value of one.
7954         (maybe_set_dependence_info): Use clique one.
7955         (clear_dependence_clique): New callback.
7956         (compute_dependence_clique): Clear clique one from all refs
7957         before assigning it (again).
7958
7959 2019-02-21  Martin Sebor  <msebor@redhat.com>
7960
7961         * doc/extend.texi (__clear_cache): Correct signature.
7962
7963 2019-02-21  Ian Lance Taylor  <iant@golang.org>
7964
7965         PR go/89170
7966         * varasm.c (decode_addr_const): Call lookup_constant_def rather
7967         than output_constant_def.
7968         (add_constant_to_table): New static function.
7969         (output_constant_def): Call add_constant_to_table.
7970         (tree_output_constant_def): Likewise.
7971
7972 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7973
7974         PR c++/89285
7975         * builtins.c (fold_builtin_arith_overflow): If first two args are
7976         INTEGER_CSTs, set intres and ovfres to constants rather than calls
7977         to ifn.
7978
7979 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
7980
7981         PR target/87412
7982         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
7983         error for -mindirect-branch/-mfunction-return with incompatible
7984         -fcf-protection.
7985
7986 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
7987
7988         PR bootstrap/88714
7989         * constraints.md (q): Remove.
7990         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
7991         instead of q.
7992
7993 2019-02-21  Martin Jambor  <mjambor@suse.cz>
7994
7995         PR hsa/89302
7996         * omp-general.c (omp_extract_for_data): Removed a duplicate call
7997         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
7998         (omp_adjust_for_condition): ...here.  Added necessary parameters.
7999         * omp-general.h (omp_adjust_for_condition): Updated declaration.
8000         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
8001         proper values to new parameters of omp_adjust_for_condition.
8002
8003 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8004
8005         PR middle-end/89412
8006         * expr.c (expand_assignment): If result is a MEM, use change_address
8007         instead of simplify_gen_subreg.
8008
8009 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8010             David Malcolm  <dmalcolm@redhat.com>
8011
8012         PR middle-end/89091
8013         * fold-const.c (decode_field_reference): Return NULL_TREE if
8014         lang_hooks.types.type_for_size returns NULL.  Check it before
8015         overwriting *exp_.  Use return NULL_TREE instead of return 0.
8016
8017 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
8018
8019         PR middle-end/88074
8020         PR middle-end/89415
8021         * toplev.c (do_compile): Double the emin/emax exponents to workaround
8022         buggy mpc_norm.
8023
8024 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
8025
8026         PR target/89397
8027         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
8028         TARGET_SSE in addition to TARGET_SSE_MATH.
8029
8030         (ix86_excess_precision): Ditto.
8031         (ix86_float_exceptions_rounding_supported_p): Ditto.
8032         (use_rsqrt_p): Ditto.
8033         * config/i386/sse.md (rsqrt<mode>2): Ditto.
8034
8035 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
8036
8037         PR c/89410
8038         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
8039         linenum_arith_t when determining if two adjacent line spans are
8040         close enough to merge.
8041         (diagnostic_show_locus): Use linenum_arith_t when iterating over
8042         lines within each line_span.
8043
8044 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
8045
8046         PR target/86487
8047         * lra-constraints.c(uses_hard_regs_p): Fix handling of
8048         paradoxical SUBREGS.
8049
8050 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
8051
8052         PR target/88100
8053         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
8054         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
8055         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
8056         range checking it.
8057
8058 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
8059
8060         * config/gcn/gcn.c (print_operand): Fix typo.
8061
8062 2019-02-19  Richard Biener  <rguenther@suse.de>
8063
8064         PR middle-end/88074
8065         * toplev.c (do_compile): Initialize mpfr's exponent range
8066         based on available float modes.
8067
8068 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8069
8070         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
8071         as long as the epilogue isn't completed.
8072
8073 2019-02-18  Martin Sebor  <msebor@redhat.com>
8074
8075         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
8076         __has_cpp_attribute, and __has_include.
8077
8078 2019-02-18  Martin Sebor  <msebor@redhat.com>
8079
8080         * doc/invoke.texi (-Wreturn-type): Correct and expand.
8081
8082 2019-02-18  Martin Sebor  <msebor@redhat.com>
8083
8084         PR middle-end/89294
8085         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
8086         expression.
8087         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
8088
8089 2019-02-18  Richard Biener  <rguenther@suse.de>
8090
8091         PR tree-optimization/89296
8092         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
8093         of no-warning flag to cases that might emit the bogus warning.
8094
8095 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
8096
8097         PR bootstrap/88714
8098         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
8099         "q" constraint.
8100         * config/arm/vfp.md (*movdi_vfp): Likewise.
8101         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
8102         "q" constraint for operands[0].
8103
8104         PR target/89369
8105         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
8106         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
8107         pattern in a temporary buffer.
8108         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
8109         than 64-operands[2].
8110
8111         PR target/89361
8112         * config/s390/s390.c (s390_indirect_branch_attrvalue,
8113         s390_indirect_branch_settings): Define unconditionally.
8114         (s390_set_current_function): Likewise, but guard the whole body except
8115         the s390_indirect_branch_settings call with
8116         #if S390_USE_TARGET_ATTRIBUTE.
8117         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
8118
8119         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
8120         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
8121         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
8122         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
8123         HOST_WIDE_INT_1U instead of 1ULL.
8124         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
8125         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
8126         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
8127         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
8128         instead of 1UL.
8129         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
8130         instead of 1ul.
8131
8132 2019-02-18  Martin Jambor  <mjambor@suse.cz>
8133
8134         PR tree-optimization/89209
8135         * tree-sra.c (create_access_replacement): New optional parameter
8136         reg_tree.  Use it as a type if non-NULL and access type is not of
8137         a register type.
8138         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
8139         to create_access_replacement.
8140         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
8141         Check lacc is non-NULL before attempting to re-create it on the RHS.
8142
8143 2019-02-18  Martin Liska  <mliska@suse.cz>
8144
8145         PR ipa/89306
8146         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
8147         by default.
8148         (symbol_table::free_edge): Recycle m_summary_id.
8149         * cgraph.h (get_summary_id): New.
8150         (symbol_table::release_symbol): Set m_summary_id to -1
8151         by default.
8152         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
8153         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
8154         function_summary to fast_function_summary.
8155         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
8156         * ipa-pure-const.c (class funct_state_summary_t):
8157         Switch from function_summary to fast_function_summary.
8158         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
8159         (class ipa_ref_opt_summary_t): Switch from function_summary
8160         to fast_function_summary.
8161         * symbol-summary.h (class function_summary_base): New class
8162         that is created from base of former function_summary.
8163         (function_summary_base::unregister_hooks): New.
8164         (class function_summary): Inherit from function_summary_base.
8165         (class call_summary_base): New class
8166         that is created from base of former call_summary.
8167         (class call_summary): Inherit from call_summary_base.
8168         (struct is_same): New.
8169         (class fast_function_summary): New summary class.
8170         (class fast_call_summary): New summary class.
8171         * vec.h (vec_safe_grow_cleared): New function.
8172
8173 2019-02-18  Martin Liska  <mliska@suse.cz>
8174
8175         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
8176         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
8177         * doc/tm.texi: Document new target hook.
8178         * doc/tm.texi.in: Likewise.
8179         * target.def: Add new target macro.
8180         * gcc.c (find_fortran_preinclude_file): Do not search multilib
8181         suffixes.
8182
8183 2019-02-17  Alan Modra  <amodra@gmail.com>
8184
8185         PR target/89271
8186         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
8187         output reg on add insn.
8188         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
8189
8190 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8191
8192         PR target/89372
8193         * config/i386/sse.md (ssedoublemode): Remove V4HI.
8194         (PMULHRSW): Likewise.
8195         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
8196         TARGET_AVX2.
8197         (ssse3_pmulhrswv4hi3): New expander.
8198
8199 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8200
8201         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
8202         MMX.  Add isa attribute.
8203
8204 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
8205
8206         PR rtl-optimization/66152
8207         * builtins.h (c_readstr): Declare.
8208         * builtins.c (c_readstr): Remove forward declaration.  Add
8209         null_terminated_p argument, if false, read all bytes from the
8210         string instead of stopping after '\0'.
8211         * expr.c (string_cst_read_str): New function.
8212         (store_expr): Use string_cst_read_str instead of
8213         builtin_strncpy_read_str.  Try to store by pieces the whole
8214         exp_len first, and only if that fails, split it up into
8215         store by pieces followed by clear_storage.  Formatting fix.
8216
8217         * config/i386/i386.md (*movqi_internal): Remove static from
8218         buf variable.  Use output_asm_insn (buf, operands); return "";
8219         instead of return buf;.
8220         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
8221         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
8222         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
8223
8224 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8225
8226         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
8227         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
8228         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
8229         (CC1_SPEC): Likewise.
8230         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
8231
8232 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8233
8234         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
8235         the base address on 64-bit strict-alignment platforms.
8236
8237 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8238
8239         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
8240
8241 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8242
8243         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
8244
8245 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
8246
8247         PR rtl-optimization/88308
8248         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
8249         on copied instruction.
8250
8251 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8252
8253         * final.c (insn_current_reference_address): Replace test on JUMP_P
8254         with test on jump_to_label_p.
8255         * config/visium/visium-passes.def: New file.
8256         * config/visium/t-visium (PASSES_EXTRA): Define.
8257         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
8258         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
8259         (TRAMPOLINE_ALIGNMENT): Define.
8260         * config/visium/visium.c (visium_option_override): Do not register
8261         the machine-specific reorg pass here.
8262         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
8263         for the GR6.
8264         (output_branch): Adjust threshold for long branch instruction.
8265         * config/visium/visium.md (cpu): Move around.
8266         (length): Adjust for the GR6.
8267
8268 2019-02-15  Richard Biener  <rguenther@suse.de>
8269             Jakub Jelinek  <jakub@redhat.com>
8270
8271         PR tree-optimization/89278
8272         * tree-loop-distribution.c: Include tree-eh.h.
8273         (generate_memset_builtin, generate_memcpy_builtin): Call
8274         rewrite_to_non_trapping_overflow on builtin->size before passing it
8275         to force_gimple_operand_gsi.
8276
8277 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
8278
8279         PR other/89342
8280         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
8281         optimize_debug.
8282         * opth-gen.awk: Likewise.
8283
8284 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
8285
8286         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
8287         Enable MMX, SSE and SSE2 by default.
8288         * config/i386/i386.c (ix86_option_override_internal): Do not
8289         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
8290
8291 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8292
8293         PR rtl-optimization/89354
8294         * combine.c (make_extraction): Punt if extraction_mode is narrower
8295         than len bits.
8296
8297 2019-02-14  Maya Rashish  <coypu@sdf.org>
8298
8299         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
8300         * config/netbsd-d.c: New file.
8301         * config/t-netbsd: Add netbsd-d.o
8302
8303 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
8304
8305         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
8306         affects_type_identity to true for aarch64_vector_pcs.
8307         (aarch64_comp_type_attributes): New function.
8308         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
8309
8310 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
8311
8312         PR target/88850
8313         * config/arm/iterators.md (ANY64): Add V4HF.
8314
8315 2019-02-14  Martin Liska  <mliska@suse.cz>
8316
8317         PR rtl-optimization/89242
8318         * dce.c (delete_unmarked_insns): Call free_dominance_info we
8319         process a transformation.
8320
8321 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
8322
8323         PR tree-optimization/89314
8324         * fold-const.c (fold_binary_loc): Cast strlen argument to
8325         const char * before dereferencing it.  Formatting fixes.
8326
8327         PR middle-end/89284
8328         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
8329
8330 2019-02-13  Ian Lance Taylor  <iant@golang.org>
8331
8332         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
8333         and set current index for other optimizations.
8334
8335 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
8336
8337         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
8338         nonimmediate_operand as operand 2 predicate.
8339         (vec_set<VF2_512_256:mode>_0): Ditto.
8340         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
8341         (*vec_concatv2si): Remove alternative 2.
8342         (*vec_concatv4si_0): Use vm constraint for alternative 0.
8343         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
8344         (vec_concatv2di): Split alternatives 4,5,6 to ...
8345         (*vec_concatv2di_0) ... new pattern.
8346
8347 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
8348
8349         PR target/89190
8350         * config/arm/arm.c (ldm_stm_operation_p) Set
8351         addr_reg_in_reglist correctly for first register.
8352         (load_multiple_sequence): Remove dead base check.
8353         (gen_ldm_seq): Correctly set write_back for Thumb-1.
8354
8355 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
8356
8357         PR target/88847
8358         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
8359         Expose as @aarch64_pred_mov.
8360         * config/aarch64/aarch64.c (aarch64_classify_address):
8361         Use expand_insn which legitimizes operands.
8362
8363 2019-02-13  Martin Liska  <mliska@suse.cz>
8364
8365         * builtins.h (expand_builtin_with_bounds): Remove declaration.
8366         * calls.c (struct arg_data): Remove special_slot, pointer_arg
8367         and pointer_offset fields.
8368         (initialize_argument_information): Remove usage of dead
8369         fields.
8370         * cgraph.h (struct cgraph_thunk_info): Remove
8371         add_pointer_bounds_args.
8372         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
8373         fields.
8374         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
8375         fields.
8376         * config/i386/i386.c (ix86_function_arg_advance): Remove
8377         unrelated comment.
8378         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
8379         (def_builtin):  Remove usage of dead
8380         fields.
8381         (ix86_add_new_builtins): Likewise.
8382         * ipa-fnsummary.c (compute_fn_summary): Likewise.
8383         * ipa-icf.c (sem_function::equals_wpa): Likewise.
8384         (sem_function::init): Likewise.
8385         (sem_variable::merge): Likewise.
8386         * ipa-visibility.c (function_and_variable_visibility): Likewise.
8387         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
8388         * lto-cgraph.c (lto_output_node): Likewise.
8389         (lto_output_varpool_node): Likewise.
8390         (input_node): Likewise.
8391         (input_varpool_node): Likewise.
8392         * lto-streamer-out.c (lto_output): Likewise.
8393         * tree-inline.c (expand_call_inline): Remove usage of
8394         assign_stmts.
8395         * tree-inline.h (struct copy_body_data): Likewise.
8396         * varpool.c (varpool_node::dump): Likewise.
8397
8398 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
8399
8400         PR middle-end/89303
8401         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
8402         into pt->vars_contains_escaped_heap instead of setting
8403         pt->vars_contains_escaped_heap to it.
8404
8405         PR middle-end/89281
8406         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
8407         INTVAL (size), compare it to GET_MODE_MASK instead of
8408         1 << GET_MODE_BITSIZE.
8409
8410         PR target/89290
8411         * config/i386/predicates.md (x86_64_immediate_operand): Allow
8412         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
8413         -mcmodel=large.
8414
8415 2019-02-13  Martin Liska  <mliska@suse.cz>
8416
8417         PR lto/88858
8418         * cfgrtl.c (remove_barriers_from_footer): New function.
8419         (try_redirect_by_replacing_jump): Use it.
8420         (cfg_layout_redirect_edge_and_branch): Likewise.
8421
8422 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
8423
8424         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
8425         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
8426         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
8427         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
8428         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
8429         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
8430         New BU_CRYPTO_2.
8431         * config/rs6000/rs6000.c (builtin_function_type)
8432         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
8433         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
8434         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
8435         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
8436         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
8437
8438 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
8439
8440         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
8441         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
8442
8443 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8444
8445         PR target/89229
8446         * config/i386/i386.md (*movoi_internal_avx): Revert revision
8447         268678 and revision 268657.
8448         (*movti_internal): Likewise.
8449
8450 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
8451
8452         PR target/89233
8453         * config/s390/s390.c (s390_decompose_address): Update comment.
8454         (s390_check_qrst_address): Reject invalid address forms after
8455         LRA.
8456
8457 2019-02-12  Martin Liska  <mliska@suse.cz>
8458
8459         PR lto/88876
8460         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
8461         we need default values of funct_state for a function that
8462         is not optimized.
8463
8464 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8465
8466         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
8467         the object to pick the size of stores on strict-alignment platforms.
8468
8469         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
8470         (*movdi_insn_sp32): Likewise.
8471         (*movdi_insn_sp64): Likewise.
8472
8473 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
8474
8475         PR lto/88677
8476         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
8477         types that needs constructiong.
8478         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
8479
8480 2019-02-12  Richard Biener  <rguenther@suse.de>
8481
8482         PR tree-optimization/89253
8483         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
8484         duplicate the loop.
8485
8486 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
8487
8488         PR lto/88147
8489         * input.c (selftest::test_line_offset_overflow): New selftest.
8490         (selftest::input_c_tests): Call it.
8491
8492 2019-02-11  Martin Sebor  <msebor@redhat.com>
8493
8494         PR tree-optimization/88771
8495         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
8496         when -Wstringop-overflow is set.
8497         (builtin_memref::builtin_memref): Adjust excessive upper bound
8498         only when lower bound is not excessive.
8499         (maybe_diag_overlap): Detect and diagnose excessive bounds via
8500         -Wstringop-ovefflow.
8501         (maybe_diag_offset_bounds): Rename...
8502         (maybe_diag_access_bounds): ...to this.
8503         (check_bounds_or_overlap): Adjust for name change above.
8504
8505 2019-02-11  Martin Sebor  <msebor@redhat.com>
8506
8507         PR c++/87996
8508         * builtins.c (max_object_size): Move from here...
8509         * builtins.h (max_object_size): ...and here...
8510         * tree.c (max_object_size): ...to here...
8511         * tree.h (max_object_size): ...and here.
8512
8513 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
8514
8515         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
8516         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
8517         for correct semantics.
8518
8519 2019-02-11  Alan Modra  <amodra@gmail.com>
8520
8521         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
8522         -mlongcall and -mpltseq.
8523         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
8524         (RS/6000 and PowerPC Options <-mpltseq>): Document.
8525         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
8526         * config/rs6000/sysv4.opt (mpltseq): New option.
8527         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
8528         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
8529         support is lacking.  Don't allow -mpltseq with -mbss-plt.
8530         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
8531         -mpltseq given for ELFv1.
8532         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
8533         Only use UNSPEC_PLTSEQ for inline PLT calls.
8534         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
8535         use UNSPEC_PLTSEQ for inline PLT calls.
8536         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
8537         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
8538         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
8539         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8540         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8541         (pltseq_mtctr_<mode>): Likewise.
8542
8543 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8544
8545         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
8546         Solaris ld.
8547         * configure: Regenerate.
8548
8549 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
8550
8551         PR bootstrap/88714
8552         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
8553         instead of r.
8554
8555 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8556
8557         * function.c (assign_parm_setup_block): Use the stored
8558         size, not the passed size, when allocating stack-space,
8559         also for a parameter with alignment larger than
8560         MAX_SUPPORTED_STACK_ALIGNMENT.
8561
8562 2019-02-11  Martin Liska  <mliska@suse.cz>
8563
8564         PR ipa/89009
8565         * ipa-cp.c (build_toporder_info): Remove usage of a param.
8566         * ipa-inline.c (inline_small_functions): Likewise.
8567         * ipa-pure-const.c (propagate_pure_const): Likewise.
8568         (propagate_nothrow): Likewise.
8569         * ipa-reference.c (propagate): Likewise.
8570         * ipa-utils.c (struct searchc_env): Remove unused field.
8571         (searchc): Always search across AVAIL_INTERPOSABLE.
8572         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
8573         the only called IPA pure const can properly not propagate
8574         across interposable boundary.
8575         * ipa-utils.h (ipa_reduced_postorder): Remove param.
8576
8577 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
8578
8579         * config/nds32/nds32.md (call_internal, call_value_internal,
8580         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
8581
8582 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
8583
8584         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
8585         typo.
8586
8587 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8588
8589         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
8590         in comments
8591
8592 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8593
8594         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
8595
8596 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
8597
8598         PR tree-optimization/89268
8599         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
8600         if preds is non-NULL.
8601
8602 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8603
8604         PR lto/89272
8605         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
8606         polymorphic types.
8607
8608 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8609
8610         * config/nds32/nds32.md (trap): New pattern.
8611
8612 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
8613
8614         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
8615         dwarf span.
8616
8617 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
8618
8619         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
8620         to split POST_INC.
8621
8622 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8623
8624         * ipa-visibility.c (localize_node): Also do not localize
8625         LDPR_PREVAILING_DEF_IRONLY_EXP.
8626
8627 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8628
8629         PR lto/87957
8630         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
8631         instead of type_with_linkage.
8632
8633 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
8634
8635         PR ipa/88755
8636         * params.def (uninlined-function-insns, uninlined-function-time,
8637         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
8638         bound so we don't get overflows.
8639
8640 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
8641
8642         * config/rs6000/rs6000-string.c (expand_compare_loop,
8643         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
8644         memcmp/strncmp.
8645
8646 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
8647
8648         PR middle-end/89246
8649         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8650         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
8651         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
8652
8653 2019-02-09  Alan Modra  <amodra@gmail.com>
8654
8655         PR target/88343
8656         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
8657         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
8658         setup.
8659
8660 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
8661
8662         PR middle-end/88560
8663         * lra-constraints.c (process_alt_operands): Don't increase reject
8664         for memory when offset memory is required.
8665
8666 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
8667
8668         * config/s390/vector.md: Implement vector copysign.
8669
8670 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8671
8672         * expr.c (expand_constructor): Correct indentations.
8673
8674 2019-02-08  Richard Biener  <rguenther@suse.de>
8675
8676         PR tree-optimization/89247
8677         * tree-if-conv.c: Include tree-cfgcleanup.h.
8678         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
8679         (tree_if_conversion): Pass through predicate vector.
8680         (pass_if_conversion::execute): Do CFG cleanup and SSA update
8681         inline, see if any if-converted loops we refrece in
8682         LOOP_VECTORIZED calls vanished and fixup.
8683         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
8684
8685 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
8686
8687         * config/s390/constraints.md (jdd): New constraint.
8688
8689 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
8690
8691         PR target/89229
8692         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
8693         upper 16 vector registers without TARGET_AVX512VL.
8694         (*movti_internal): Likewise.
8695
8696 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8697
8698         PR rtl-optimization/89234
8699         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
8700         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
8701         (copy_reg_eh_region_note_backward): Likewise.
8702
8703 2019-02-08  Richard Biener  <rguenther@suse.de>
8704
8705         PR middle-end/89223
8706         * tree-data-ref.c (initialize_matrix_A): Fail if constant
8707         doesn't fit in HWI.
8708         (analyze_subscript_affine_affine): Handle failure from
8709         initialize_matrix_A.
8710
8711 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
8712
8713         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
8714         cfun everywhere.
8715
8716 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
8717
8718         PR tree-optimization/86637
8719         PR tree-optimization/89235
8720         * tree-vect-loop.c (optimize_mask_stores): Add an
8721         auto_purge_vect_location sentinel to ensure that vect_location is
8722         purged on exit.
8723         * tree-vectorizer.c
8724         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
8725         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
8726         to ensure that vect_location is purged on exit.
8727         (pass_slp_vectorize::execute): Likewise, replacing the manual
8728         reset.
8729         * tree-vectorizer.h (class auto_purge_vect_location): New class.
8730
8731 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8732
8733         * config/aarch64/iterators.md (max_opp): New code_attr.
8734         (USMAX): New code iterator.
8735         * config/aarch64/predicates.md (aarch64_smin): New predicate.
8736         (aarch64_smax): Likewise.
8737         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
8738         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
8739         MINUS (MAX MIN).
8740
8741 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
8742
8743         PR target/89229
8744         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
8745         for TARGET_AVX512VL.
8746         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
8747
8748 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
8749
8750         * config/s390/s390-builtin-types.def: Add new types.
8751         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
8752         (s390_vec_xlw4): Make the memory operand into a const pointer.
8753         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
8754         float.
8755         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
8756         a new vector type with the alignment of the scalar memory operand.
8757
8758 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
8759             Jakub Jelinek  <jakub@redhat.com>
8760
8761         PR bootstrap/88714
8762         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
8763         arm_count_ldrdstrd_insns): New declarations.
8764         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
8765         MINUS.
8766         (valid_operands_ldrd_strd): New function.
8767         (arm_count_ldrdstrd_insns): New function.
8768         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
8769         sets instead of single DImode set and define new insns to match this.
8770
8771 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8772
8773         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
8774         Make it a C initializer.
8775
8776 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
8777
8778         PR/target 88850
8779         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
8780
8781 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8782
8783         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
8784         Use neon_dot<q> for type.
8785         (neon_<sup>dot_lane<vsi2qi>): Likewise.
8786
8787 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8788
8789         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
8790         Use neon_dot<q> for type.
8791         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
8792         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
8793
8794 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
8795
8796         PR rtl-optimization/89225
8797         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
8798         sizes check.
8799
8800 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
8801
8802         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
8803         after restoring registers saved to allocate the frame on Windows.
8804
8805 2019-02-06  Richard Biener  <rguenther@suse.de>
8806
8807         PR tree-optimization/89182
8808         * graphite.h (cached_scalar_evolution_in_region): Declare.
8809         * graphite.c (struct seir_cache_key): New.
8810         (struct sese_scev_hash): Likewise.
8811         (seir_cache): New global.
8812         (cached_scalar_evolution_in_region): New function.
8813         (graphite_transform_loops): Allocate and release seir_cache.
8814         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
8815         cached_scalar_evolution_in_region.
8816         * graphite-scop-detection.c (scop_detection::can_represent_loop):
8817         Simplify.
8818         (scop_detection::graphite_can_represent_expr: Use
8819         cached_scalar_evolution_in_region.
8820         (scop_detection::stmt_simple_for_scop_p): Likewise.
8821         (find_params_in_bb): Likewise.
8822         (gather_bbs::before_dom_children): Likewise.
8823         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
8824         (add_loop_constraints): Likewise.
8825
8826 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
8827
8828         PR middle-end/89210
8829         * fold-const-call.c (fold_const_vec_convert): Pass true as last
8830         operand to new_unary_operation only if both element types are integral
8831         and it isn't a widening conversion.  Return NULL_TREE if
8832         new_unary_operation failed.
8833
8834 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
8835
8836         PR target/88856
8837         * config/s390/s390.md: Remove load and test FP splitter.
8838
8839 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8840
8841         PR target/89112
8842         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
8843         expand_compare_loop, expand_block_compare_gpr,
8844         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
8845         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
8846         #include "profile-count.h" and "predict.h" for types and functions
8847         needed to work with REG_BR_PROB notes.
8848
8849 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
8850
8851         PR target/89112
8852         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
8853         for the long branch case.
8854
8855 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8856
8857         PR target/89188
8858         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
8859         can throw, non-call exceptions are enabled and we can't delete
8860         dead exceptions or alter cfg.  Set must_clean if
8861         delete_insn_and_edges returns true, don't set it blindly for calls.
8862         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
8863
8864         PR rtl-optimization/89195
8865         * combine.c (make_extraction): For MEMs, don't extract bytes outside
8866         of the original MEM.
8867
8868 2019-02-05  Martin Liska  <mliska@suse.cz>
8869
8870         PR gcov-profile/89000
8871         * gcov.c (function_summary): Remove argument.
8872         (file_summary): New function.
8873         (print_usage): Replace tabs with spaces.
8874         (generate_results): Use new function file_summary.
8875
8876 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
8877
8878         PR target/89186
8879         * optabs.c (prepare_cmp_insn): Pass x and y to
8880         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
8881
8882 2019-02-05  Richard Biener  <rguenther@suse.de>
8883
8884         PR middle-end/89150
8885         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
8886         (struct bitmap_element): Drop chain_prev so we properly recurse on
8887         the prev member, supporting tree views.
8888         (struct bitmap_head): GTY skip the obstack member.
8889
8890 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
8891
8892         PR c/88698
8893         * doc/extend.texi (Vector Extensions): Add an example of using vector
8894         types together with x86 intrinsics.
8895
8896 2019-02-04  Alan Modra  <amodra@gmail.com>
8897
8898         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
8899         str[] size to 160, and comment.
8900
8901 2019-02-04  Alan Modra  <amodra@gmail.com>
8902
8903         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
8904         (rs6000_pltseq_template): Guard output of TLS markers with
8905         TARGET_TLS_MARKERS.
8906         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
8907         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
8908         to use inline PLT sequences.
8909         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
8910         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
8911         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
8912
8913 2019-02-04  Martin Liska  <mliska@suse.cz>
8914
8915         PR ipa/88985
8916         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
8917         out when ipa_fn_summaries does not contain entry for callee.
8918
8919 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
8920
8921         * config/sparc/sparc.h: Remove superfluous blank lines.
8922         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
8923         (got_register_rtx): ...this.
8924         (sparc_got): Adjust to above renaming.
8925         (sparc_tls_got): Likewise.
8926         (sparc_delegitimize_address): Likewise.
8927         (sparc_output_mi_thunk): Likewise.
8928         (sparc_init_pic_reg): Likewise.
8929         (save_local_or_in_reg_p): Fix test on the GOT register.
8930         (USE_HIDDEN_LINKONCE): Move around.
8931         (get_pc_thunk_name): Likewise.
8932         (gen_load_pcrel_sym): Likewise.
8933         (load_got_register): Likewise.
8934
8935 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
8936
8937         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
8938         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
8939
8940 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8941
8942         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
8943         into consideration.
8944
8945 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
8946
8947         * config.gcc (with_nds32_lib, glibc):
8948         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
8949         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
8950         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
8951
8952 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
8953
8954         PR target/89071
8955         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
8956         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
8957         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
8958         (*rcpsf2_sse): Ditto.
8959         (*rsqrtsf2_sse): Ditto.
8960         (sse4_1_round<mode<2): Ditto.
8961
8962 2019-02-03  Richard Biener  <rguenther@suse.de>
8963
8964         PR debug/87295
8965         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
8966         orig.
8967
8968 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
8969
8970         PR middle-end/87887
8971         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8972         Punt with warning on aggregate return or argument types.  Ignore
8973         type/mode checking for uniform arguments.
8974
8975 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8976
8977         * combine.c (try_combine): Do not print "Can't combine" messages unless
8978         printing failed combination attempts.
8979
8980 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8981
8982         PR hsa/87863
8983         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
8984         segment and global segment variables before making them static.
8985
8986 2019-02-01  Martin Jambor  <mjambor@suse.cz>
8987
8988         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
8989         missed optimization dump with dump_enabled_p.
8990
8991 2019-02-01  Richard Biener  <rguenther@suse.de>
8992
8993         PR middle-end/88597
8994         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
8995         the instantiate cache.
8996         (instantiate_scev_binary): Elide second operand procesing
8997         if equal to the first.
8998         * tree-chrec.c (chrec_contains_symbols): Add visited set.
8999         (chrec_contains_undetermined): Likewise.
9000         (tree_contains_chrecs): Likewise.
9001
9002 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
9003
9004         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
9005
9006 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
9007
9008         PR tree-optimization/89143
9009         * wide-int-range.h (wide_int_range_absu): Declare.
9010         * wide-int-range.cc (wide_int_range_absu): New function.
9011         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
9012
9013         PR tree-optimization/88107
9014         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
9015         instead of assertion that eh_region_outermost is non-NULL, if it
9016         is NULL, set *ALL to true and return NULL.
9017         (move_sese_region_to_fn): Adjust caller, if all is set, call
9018         duplicate_eh_regions with NULL region.
9019
9020 2019-02-01  Richard Biener  <rguenth@suse.de>
9021
9022         PR rtl-optimization/88593
9023         * mode-switching.c (optimize_mode_switching): Free dominators before
9024         calling cleanup_cfg.
9025
9026 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
9027
9028         PR tree-optimization/88932
9029         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
9030
9031 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9032
9033         PR middle-end/89137
9034         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
9035         bogus clang warning.
9036
9037 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
9038
9039         PR target/89071
9040         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
9041         alternative to avoid partial SSE register stall for TARGET_AVX.
9042         (truncdfsf2): Ditto.
9043         (sse4_1_round<mode>2): Ditto.
9044
9045 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
9046
9047         PR tree-optimization/89008
9048         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
9049         process anything of the form X * 0.
9050
9051 2019-01-31  Richard Biener  <rguenther@suse.de>
9052
9053         PR tree-optimization/89135
9054         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
9055         with abnormal preds.
9056
9057 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
9058
9059         PR sanitizer/89124
9060         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
9061         always_inline callees into no_sanitize_address callers.
9062
9063 2019-01-31  Richard Biener  <rguenther@suse.de>
9064
9065         PR rtl-optimization/89115
9066         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
9067
9068 2019-01-30  Martin Sebor  <msebor@redhat.com>
9069
9070         PR other/89106
9071         * doc/extend.texi (cast to a union): Correct and expand.
9072
9073 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
9074
9075         PR rtl-optimization/87246
9076         * lra-constraints.c (simplify_operand_subreg): Reload memory
9077         in subreg if the address became invalid.
9078
9079 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
9080
9081         PR target/87064
9082         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
9083         Disable for little-endian.
9084
9085 2019-01-30  Richard Biener  <rguenther@suse.de>
9086
9087         PR rtl-optimization/89115
9088         * opts.c (default_options_optimization): Reduce
9089         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
9090         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
9091         to the default.
9092
9093 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9094
9095         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
9096         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
9097         type of vector element when vec_extract is implemented by direct
9098         move.
9099
9100 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
9101
9102         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
9103
9104 2019-01-30  Richard Biener  <rguenther@suse.de>
9105
9106         PR tree-optimization/89111
9107         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
9108         canonicalization to appropriately sized access types.
9109
9110 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
9111
9112         PR c++/89105
9113         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
9114         for arguments to functions that are TU-local and shouldn't be
9115         referenced by assembly.
9116
9117 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
9118
9119         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
9120         after '='.
9121
9122 2019-01-29  Martin Sebor  <msebor@redhat.com>
9123
9124         PR c/88956
9125         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
9126
9127 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
9128
9129         PR c++/66676
9130         PR ipa/89104
9131         * omp-simd-clone.c (simd_clone_clauses_extract)
9132         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
9133         OMP_CLAUSE_ALIGNED_ALIGNMENT.
9134
9135 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
9136
9137         * config.gcc: Force .init_array for ARC.
9138
9139 2019-01-29  Richard Biener  <rguenther@suse.de>
9140
9141         PR debug/87295
9142         * dwarf2out.c (collect_skeleton_dies): New helper.
9143         (copy_decls_for_unworthy_types): Call it.
9144         (build_abbrev_table): Assert we do not try to replace
9145         DW_AT_signature refs with local refs.
9146
9147 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9148
9149         PR middle-end/89002
9150         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
9151         for lastprivate/linear IV, push gimplify context around gimplify_assign
9152         and, if it needed any temporaries, pop it into a gimple bind around the
9153         sequence.
9154
9155 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9156
9157         * common.opt (-Wattribute-alias): Remove "no-" from name.
9158         Make -Wattribute-alias command line option and
9159         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
9160
9161 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
9162
9163         PR target/89073
9164         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
9165         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
9166         x86 ISA options.
9167         (bmi2): Add missing @opindex.
9168         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
9169         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
9170         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
9171         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
9172         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
9173         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
9174         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
9175         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
9176         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
9177         xsavec, xsaveopt and xsaves options.
9178
9179 2019-01-28  Richard Biener  <rguenther@suse.de>
9180
9181         PR debug/89076
9182         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
9183         support removal.
9184
9185 2019-01-28  Richard Biener  <rguenther@suse.de>
9186
9187         PR tree-optimization/88739
9188         * tree-cfg.c (verify_types_in_gimple_reference): Verify
9189         BIT_FIELD_REFs only are applied to mode-precision operands
9190         when they are integral.
9191         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
9192         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
9193         BIT_FIELD_REFs of non-mode-precision integral operands.
9194
9195 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
9196
9197         PR target/87214
9198         * config/i386/sse.md
9199         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
9200         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
9201         first constants in pairs are multiples of 2.  Formatting fixes.
9202         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
9203         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
9204         first constants in each quadruple are multiples of 4.  Formatting fixes.
9205
9206 2019-01-26  Martin Jambor  <mjambor@suse.cz>
9207
9208         PR ipa/88933
9209         * tree-inline.c: Include tree-cfgcleanup.h.
9210         (delete_unreachable_blocks_update_callgraph): Move...
9211         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
9212         ...here, make externally visible, make second argument bool, adjust
9213         all callers.
9214         * tree-cfgcleanup.c: Include cgraph.h.
9215         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
9216         Declare.
9217         * ipa-prop.c: Include tree-cfgcleanup.h.
9218         (ipcp_transform_function): Call
9219         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
9220
9221 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
9222
9223         PR rtl-optimization/88846
9224         * ira.c (process_set_for_memref_referenced_p): New.
9225         (memref_referenced_p): Add new param.  Use
9226         process_set_for_memref_referenced_p.  Add new switch cases.
9227         (memref_used_between_p): Pass new arg to memref_referenced_p.
9228
9229 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
9230
9231         PR target/88469
9232         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
9233         argument ABI_BREAK.  Set to true if the calculated alignment has
9234         changed in gcc-9.  Check bit-fields for their base type alignment.
9235         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
9236         (aarch64_function_arg_boundary): Likewise.
9237         (aarch64_gimplify_va_arg_expr): Likewise.
9238
9239 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9240
9241         PR middle-end/89037
9242         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
9243         instead of accessing TREE_INT_CST_ELT directly.
9244
9245 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
9246
9247         * doc/sourcebuild.texi (Environment attributes): Add fenv and
9248         fenv_exceptions description.
9249
9250 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
9251
9252         PR rtl-optimization/87763
9253         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
9254         Allow SUBREG when matching CC_NZmode compare.
9255
9256 2019-01-25  Richard Biener  <rguenther@suse.de>
9257
9258         PR tree-optimization/89049
9259         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9260         Look at the pattern stmt to determine if the stmt is vectorized.
9261
9262 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
9263
9264         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
9265         (pred_mov<mode>): Handle all-register forms using both a new
9266         alternative and a split.
9267
9268 2019-01-25  Richard Biener  <rguenther@suse.de>
9269
9270         PR tree-optimization/86865
9271         * graphite-scop-detection.c (scop_detection::can_represent_loop):
9272         Reject non-do-while loops.
9273
9274 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
9275
9276         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
9277         * config/rs6000/constraints.md (Q constraint): Use REG_P.
9278         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
9279         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9280         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
9281         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9282         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
9283         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
9284         vlogical_operand, gpc_reg_operand, int_reg_operand,
9285         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
9286         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
9287         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
9288         (save_world_operation, restore_world_operation, lmw_operation,
9289         stmw_operation): Use MEM_P and REG_P.
9290         (tie_operand): Use MEM_P.
9291         (vrsave_operation, crsave_operation): Use REG_P.
9292         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
9293         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
9294         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
9295         (call_operand): Use HARD_REGISTER_P.
9296         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
9297         Use CONST_INT_P.
9298         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
9299         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
9300         quad_aligned_load_p, replace_swapped_aligned_store,
9301         recombine_lvx_pattern, replace_swapped_aligned_load,
9302         recombine_stvx_pattern): Use MEM_P.
9303         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
9304         Use MEM_P and SYMBOL_REF_P.
9305         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
9306         (insn_is_swappable_p): Use REG_P and MEM_P.
9307         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
9308         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
9309         Use CONST_INT_P.
9310         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
9311         Use CONST_DOUBLE_P.
9312         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
9313         CONST_WIDE_INT_P.
9314         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
9315         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
9316         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
9317         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
9318         reg_or_subregno:
9319         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9320         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
9321         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
9322         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
9323         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
9324         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
9325         rs6000_split_logical_di): Use CONST_INT_P.
9326         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
9327         REG_P and SYMBOL_REF_P.
9328         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
9329         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
9330         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
9331         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
9332         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
9333         (small_data_operand, print_operand_address): Use CONST_INT_P and
9334         SYMBOL_REF_P.
9335         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
9336         (rs6000_init_hard_regno_mode_ok, direct_move_p):
9337         Use HARD_REGISTER_NUM_P.
9338         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
9339         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
9340         SUBREG_P and SYMBOL_REF_P.
9341         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
9342         and HARD_REGISTER_NUM_P.
9343         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
9344         reg_or_subregno.
9345         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
9346         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
9347         MEM_P and REG_P.
9348         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
9349         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
9350         find_addr_reg): Use REG_P.
9351         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
9352         (rs6000_emit_le_vsx_move): Use SUBREG_P.
9353         (offsettable_ok_by_alignment, constant_pool_expr_p,
9354         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
9355         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
9356         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
9357         rs6000_assemble_integer, create_TOC_reference,
9358         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
9359         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
9360         (rs6000_split_vec_extract_var): Use reg_or_subregno.
9361         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
9362         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
9363         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9364         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
9365         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
9366         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
9367         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
9368         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
9369         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
9370         and cbranch<mode>4): Use CONST_INT_P.
9371         (multiple define_splits): Use REG_P and SUBREG_P.
9372         (define_expands call, call_value): Use MEM_P.
9373         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
9374         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
9375         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
9376         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
9377         and HARD_REGISTER_NUM_P.
9378         (multiple define_splits): Use HARD_REGISTER_NUM_P.
9379
9380 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
9381
9382         PR rtl-optimization/88948
9383         * rtl.h (prepare_copy_insn): New prototype.
9384         * gcse.c (prepare_copy_insn): New function, split out from
9385         process_insert_insn.
9386         (process_insert_insn): Use prepare_copy_insn.
9387         * store-motion.c (replace_store_insn): Use prepare_copy_insn
9388         instead of gen_move_insn.
9389
9390 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
9391
9392         PR debug/89006
9393         * config/i386/i386.c (ix86_pic_register_p): Return true for
9394         UNSPEC_SET_GOT too.
9395
9396         PR tree-optimization/88964
9397         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
9398         punt if HONOR_SNANS (chrec).
9399
9400         PR middle-end/89015
9401         * tree-nested.c (convert_nonlocal_reference_stmt,
9402         convert_local_reference_stmt, convert_tramp_reference_stmt,
9403         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
9404         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
9405         or GIMPLE_OMP_TASK.
9406
9407         PR tree-optimization/89027
9408         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
9409         for "omp simd array" variables.
9410
9411 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
9412
9413         PR target/88469
9414         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
9415         force the alignment of m_val.
9416
9417 2019-01-24  Richard Biener  <rguenther@suse.de>
9418
9419         PR lto/87187
9420         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
9421         When in "legacy" debug mode make sure to reset self-origins.
9422
9423 2019-01-24  Martin Liska  <mliska@suse.cz>
9424
9425         PR gcov-profile/88994
9426         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
9427         result will be always smaller or equal to the original.
9428         * gcov.c (mangle_name): Fix else branch where we should
9429         also copy to PTR and shift the pointer.
9430
9431 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
9432
9433         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
9434         * vr-values.c (find_case_label_ranges): Fix a comment typo.
9435
9436 2019-01-23  Xuepeng Guo  <xuepeng.guo@intel.com>
9437
9438         * common/config/i386/i386-common.c
9439         (OPTION_MASK_ISA_ENQCMD_SET,
9440         OPTION_MASK_ISA_ENQCMD_UNSET): New macros.
9441         (ix86_handle_option): Handle -menqcmd.
9442         * config.gcc (enqcmdintrin.h): New header file.
9443         * config/i386/cpuid.h (bit_ENQCMD): New bit.
9444         * config/i386/driver-i386.c (host_detect_local_cpu): Handle
9445         -menqcmd.
9446         * config/i386/i386-builtin-types.def ((INT, PVOID, PCVOID)): New
9447         function type.
9448         * config/i386/i386-builtin.def (__builtin_ia32_enqcmd,
9449         __builtin_ia32_enqcmds): New builtins.
9450         * config/i386/i386-c.c (__ENQCMD__): New macro.
9451         * config/i386/i386-option.c (ix86_target_string): Add
9452         -menqcmd.
9453         (ix86_valid_target_attribute_inner_p): Likewise.
9454         * config/i386/i386-expand.c
9455         (ix86_expand_builtin): Expand IX86_BUILTIN_ENQCMD and
9456         IX86_BUILTIN_ENQCMDS.
9457         * config/i386/i386.h (TARGET_ENQCMD): New.
9458         * config/i386/i386.md (UNSPECV_ENQCMD, UNSPECV_ENQCMDS): New.
9459         (@enqcmd<enqcmd_sfx>_<mode>): New insn pattern.
9460         (movdir64b_<mode>): Parameterize to enable share expansion code
9461         with ENQCMD in function ix86_expand_builtin.
9462         * config/i386/i386.opt: Add -menqcmd.
9463         * config/i386/immintrin.h: Include enqcmdintrin.h.
9464         * config/i386/enqcmdintrin.h: New intrinsic file.
9465         * doc/invoke.texi: Add -menqcmd.
9466
9467 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
9468             Steve Ellcey <sellcey@marvell.com>
9469
9470         PR target/85711
9471         * recog.c (address_operand): Return false on wrong mode for address.
9472         (constrain_operands): Check for mode with 'p' constraint.
9473
9474 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
9475
9476         PR target/88998
9477         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
9478         Disparage MMX alternative.
9479         (sse2_cvtpd2pi): Ditto.
9480         (sse2_cvttpd2pi): Ditto.
9481
9482 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
9483
9484         PR driver/89014
9485         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
9486         use-after-free of the result of
9487         aarch64_get_extension_string_for_isa_flags.
9488
9489 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9490
9491         PR c/44715
9492         * doc/extend.texi: Document break and continue behavior in
9493         statement expressions.
9494
9495 2019-01-23  Richard Biener  <rguenther@suse.de>
9496
9497         PR tree-optimization/89008
9498         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
9499         not leave another stray operand.
9500
9501 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9502
9503         * BASE-VER: Bump to 9.0.1.
9504
9505 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
9506
9507         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
9508         thunk that returns by reference, use the type of the return object
9509         of the thunk instead of that of the alias to build the dereference.
9510
9511 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
9512
9513         * config/arc/atomic.md: Add operand to DMB instruction.
9514
9515 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
9516
9517         PR tree-optimization/88964
9518         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
9519         build_zero_cst instead of build_int_cst.  Return false for loop
9520         invariants which honor signed zeros.
9521
9522 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
9523
9524         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
9525
9526 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9527
9528         PR target/88965
9529         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
9530         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
9531         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
9532
9533         PR middle-end/88968
9534         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
9535         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
9536
9537         PR target/87064
9538         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
9539         Disable for little endian.
9540
9541 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9542
9543         PR target/88469
9544         * config/arm/arm.c (arm_needs_double_word_align): Check
9545         DECL_BIT_FIELD_TYPE.
9546
9547 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
9548             H.J. Lu  <hongjiu.lu@intel.com>
9549
9550         PR target/88909
9551         * config/i386/i386-builtin.def: Add mask2 to all builtin
9552         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
9553         SPECIAL_ARGS.
9554         * config/i386/i386.c (BDESC): Add mask2 to the definition.
9555         (BDESC_FIRST): Likewise.
9556         (define_builtin): Add an argument for mask2.  Updated to handle
9557         both ix86_isa_flags and ix86_isa_flags2.
9558         (define_builtin_const): Likewise.
9559         (define_builtin_pure): Likewise.
9560         (define_builtin2): Deleted.
9561         (define_builtin_const2): Likewise.
9562         (builtin_description): Add a member, mask2.
9563         (bdesc_*): Add mask2 to builtin initializations.
9564         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
9565         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
9566         support.
9567         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
9568
9569 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9570
9571         PR target/88954
9572         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
9573         noplt attribute.
9574
9575 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
9576
9577         PR target/88469
9578         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
9579         alignment is dominated by a bitfield with 64-bit aligned base type.
9580         (arm_function_arg): Emit a warning if the alignment has changed since
9581         earlier GCC releases.
9582         (arm_function_arg_boundary): Likewise.
9583         (arm_setup_incoming_varargs): Likewise.
9584
9585 2019-01-22  Richard Biener  <rguenther@suse.de>
9586
9587         PR tree-optimization/88862
9588         * graphite-scop-detection.c
9589         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
9590
9591 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
9592
9593         * doc/extend.tex (AMD GCN Function Attributes): New section.
9594         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
9595         * doc/invoke.texi (AMD GCN Options): New section.
9596         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
9597
9598 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9599
9600         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
9601         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
9602
9603 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
9604
9605         PR tree-optimization/88044
9606         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
9607         is false in the first iteration, but !every_iteration, return false
9608         instead of true with niter->niter zero.
9609
9610         PR rtl-optimization/88904
9611         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
9612         any nonequal registers before processing BB_END (b).
9613
9614         PR target/88905
9615         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
9616         GET_MODE (op0).
9617         (expand_binop_directly, expand_doubleword_clz,
9618         expand_doubleword_popcount, expand_ctz, expand_ffs,
9619         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
9620
9621         PR rtl-optimization/49429
9622         PR target/49454
9623         PR rtl-optimization/86334
9624         PR target/88906
9625         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
9626         addressable from here...
9627         (emit_block_op_via_libcall): ... to here.
9628
9629 2019-01-22  Richard Biener  <rguenther@suse.de>
9630
9631         * tree-vect-loop.c (vect_analyze_loop_operations): Use
9632         auto_vec for cost vector to fix memleak.
9633         (vectorize_fold_left_reduction): Properly gather SLP defs.
9634         (vectorizable_comparison): Do not swap operands to properly
9635         gather SLP defs.
9636
9637 2019-01-22  Alan Modra  <amodra@gmail.com>
9638
9639         PR target/88614
9640         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
9641         stays a reg.  Allow a const_int.
9642         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
9643         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
9644         (IS_NOMARK_TLSGETADDR): Define.
9645         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
9646         (rs6000_output_tlsargs): New function.
9647         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
9648         __tls_get_addr call takes an arg.
9649         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
9650         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
9651         delete split..
9652         (call_value_nonlocal_sysv): ..or here, delete split.
9653         (tls_gdld_nomark): Delete.
9654         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
9655         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
9656         (call_value_nonlocal_sysv): Likewise.
9657         (call_value_nonlocal_sysv_secure): Likewise.
9658         (call_value_nonlocal_aix): Likewise.
9659         (call_value_indirect_aix): Likewise.
9660         (call_value_indirect_elfv2): Likewise.
9661         (call_value_local32, call_value_local64): Disable for no-mark tls.
9662         (call_value_local_aix): Likewise.
9663
9664 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
9665
9666         PR target/88938
9667         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
9668         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
9669
9670 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
9671
9672         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
9673         string contents as hash_map keys.
9674
9675 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9676
9677         PR c/88928
9678         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
9679         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
9680         instead of TYPE_ALIGN.
9681         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
9682         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
9683         pointer from TYPE_STUB_DECL.
9684
9685 2019-01-21  Richard Biener  <rguenther@suse.de>
9686
9687         PR tree-optimization/88934
9688         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
9689         at the possibly non-constant operand.
9690         (vect_get_constant_vectors): Adjust.
9691
9692 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9693
9694         PR target/71659
9695         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
9696         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
9697         instead of _X86INTRIN_H_INCLUDED.
9698         * onfig/i386/clwbintrin.h: Likewise.
9699         * config/i386/pkuintrin.h: Likewise.
9700         * config/i386/prfchwintrin.h: Likewise.
9701         * config/i386/rdseedintrin.h: Likewise.
9702         * config/i386/wbnoinvdintrin.h: Likewise.
9703         * config/i386/xsavecintrin.h: Likewise.
9704         * config/i386/xsavesintrin.h: Likewise.
9705         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
9706         * config/i386/xsaveintrin.h: Likewise.
9707         * config/i386/xsaveoptintrin.h: Likewise.
9708         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
9709         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
9710         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
9711         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
9712         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
9713         * config/i386/immintrin.h: Here.
9714
9715 2019-01-20  Martin Jambor  <mjambor@suse.cz>
9716
9717         PR ipa/87615
9718         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
9719         with aa_walk_budget.
9720         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
9721         aa_walk_budget_p parameter.
9722         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
9723         walk.  Updated all callers.
9724         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
9725         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
9726         unmodified_parm.
9727         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
9728         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
9729         and to unmodified_parm.
9730         (phi_result_unknown_predicate): New parameter fbi, removed parameter
9731         info, updated call to will_be_nonconstant_expr_predicate.
9732         (param_change_prob): New parameter fbi, limit AA walking.
9733         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
9734         calls to various above functions.
9735         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
9736         parameter.  Use it to limit AA walking.
9737         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
9738         fbi, limit AA walk.
9739         (detect_type_change): New parameter fbi, pass it on to
9740         detect_type_change_from_memory_writes.
9741         (detect_type_change_ssa): Likewise.
9742         (aa_overwalked): Removed.
9743         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
9744         accordingly, adjust to the neew AA limiting scheme.
9745         (parm_ref_data_preserved_p): Likewise.
9746         (ipa_compute_jump_functions_for_edge): Adjust call to
9747         get_dynamic_type.
9748         (ipa_analyze_call_uses): Likewise.
9749         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
9750         (ipa_analyze_node): Initialize aa_walk_budget.
9751         (ipcp_transform_function): Likewise.
9752         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
9753         to get_dynamic_type.
9754
9755 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
9756
9757         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
9758         outside of #if CHECKING_P code.
9759
9760 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
9761
9762         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
9763         New function, split out from...
9764         (loop_versioning::analyze_stride): ...here.
9765         (loop_versioning::find_per_loop_multiplication): Use gassign.
9766         (loop_versioning::analyze_term_using_scevs): Return a success code.
9767         (loop_versioning::analyze_arbitrary_term): New function.
9768         (loop_versioning::analyze_address_fragment): Use
9769         analyze_arbitrary_term if all else fails.
9770
9771 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
9772
9773         PR target/88892
9774         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
9775         operands.
9776
9777 2019-01-18  Richard Biener  <rguenther@suse.de>
9778
9779         PR tree-optimization/88903
9780         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
9781         scalar stmts a SLP shift amount is composed of when detecting
9782         shifts by scalars.
9783
9784 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
9785
9786         PR target/88799
9787         * config/arm/arm-cpus.in (mp): New feature.
9788         (sec): New feature.
9789         (fgroup ARMv7ve): Add mp and sec features.
9790         (arch armv7-a): Add options to allow mp and sec extensions.
9791         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
9792         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
9793         extenstions to the base architecture.
9794         (cpu cortex-a8): Add sec extension to the base architecture.
9795         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
9796         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
9797         variants down to the base v7-a varaint.
9798         * config/arm/t-multilib (v7_a_arch_variants): New variable.
9799         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
9800         of permitted extensions for -march=armv7-a and for
9801         -mcpu=generic-armv7-a.
9802
9803 2019-01-18  Martin Liska  <mliska@suse.cz>
9804
9805         * params.def: Fix comment.
9806         * tree-profile.c (gimple_init_gcov_profiler): Bump function
9807         name.
9808         (gimple_gen_ic_func_profiler): Likewise.
9809
9810 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9811
9812         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
9813         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
9814         and put in error checks for stack protector guard options.
9815         (aarch64_stack_protect_guard): New.
9816         (TARGET_STACK_PROTECT_GUARD): Define.
9817         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
9818         (reg_stack_protect_address<mode>): New.
9819         (stack_protect_set): Adjust for SSP_GLOBAL.
9820         (stack_protect_test): Likewise.
9821         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
9822         (-mstack-protector-guard): Likewise.
9823         (-mstack-protector-guard-offset): Likewise.
9824
9825 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9826
9827         PR tree-optimization/86214
9828         * tree-inline.h (struct copy_body_data): Add
9829         add_clobbers_to_eh_landing_pads member.
9830         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
9831         (copy_edges_for_bb): Call it if EH edge destination is <
9832         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
9833         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
9834         if flag_stack_reuse != SR_NONE and clear it afterwards.
9835
9836 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
9837
9838         PR target/85596
9839         * doc/install.texi (with-multilib-list): Document for aarch64.
9840
9841 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
9842
9843         PR target/88734
9844         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
9845         (("..."))) with ("...").
9846
9847 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
9848
9849         * doc/extend.texi (Built-in Functions for Memory Model Aware
9850         Atomic Operations): Document atomic fetch and nand.
9851
9852 2019-01-18  Martin Liska  <mliska@suse.cz>
9853             Richard Biener  <rguenther@suse.de>
9854
9855         PR middle-end/88587
9856         * cgraph.h (create_version_clone_with_body): Add new argument
9857         with attributes.
9858         * cgraphclones.c (cgraph_node::create_version_clone): Add
9859         DECL_ATTRIBUTES to a newly created decl.  And call
9860         valid_attribute_p so that proper cl_target_optimization_node
9861         is set for the newly created declaration.
9862         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
9863         for declaration.
9864         (expand_target_clones): Do not call valid_attribute_p, it must
9865         be already done.
9866         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
9867         vector types.
9868
9869 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
9870
9871         PR target/88734
9872         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
9873         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
9874         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
9875
9876 2019-01-17  Martin Sebor  <msebor@redhat.com>
9877
9878         PR middle-end/88273
9879         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
9880         Handle anti-ranges the same as no range at all.
9881
9882 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
9883
9884         * config/aarch64/aarch64.c (cgraph.h): New include.
9885         (intl.h): New include.
9886         (supported_simd_type): New function.
9887         (currently_supported_simd_type): Ditto.
9888         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
9889         (aarch64_simd_clone_adjust): Ditto.
9890         (aarch64_simd_clone_usable): Ditto.
9891         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
9892         (TARGET_SIMD_CLONE_ADJUST): Ditto.
9893         (TARGET_SIMD_CLONE_USABLE): Ditto.
9894         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
9895         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
9896         call.
9897
9898 2019-01-17  Martin Sebor  <msebor@redhat.com>
9899
9900         PR tree-optimization/88800
9901         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
9902         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
9903         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
9904         redundant argument.  Add new argument and issue diagnostics under
9905         its control.  Detect out-of-bounds access even with warnings
9906         disabled.
9907         (check_bounds_or_overlap): Change return type.  Add argument.
9908         (wrestrict_dom_walker::check_call): Adjust.
9909         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
9910         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
9911         check_bounds_or_overlap's return value.
9912         (handle_builtin_stxncpy): Same.
9913         (handle_builtin_strcat): Same.
9914
9915 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9916             Kwok Cheung Yeung  <kcy@codesourcery.com>
9917             Julian Brown  <julian@codesourcery.com>
9918             Tom de Vries  <tom@codesourcery.com>
9919
9920         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
9921
9922 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9923
9924         * doc/sourcebuild.texi: Document dg-require-effective-target
9925         llvm_binutils and offload_gcn.
9926
9927 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9928             Kwok Cheung Yeung  <kcy@codesourcery.com>
9929             Julian Brown  <julian@codesourcery.com>
9930             Tom de Vries  <tom@codesourcery.com>
9931
9932         * doc/sourcebuild.texi: Document dg-required-effective-target
9933         exceptions.
9934
9935 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9936             Kwok Cheung Yeung  <kcy@codesourcery.com>
9937             Julian Brown  <julian@codesourcery.com>
9938             Tom de Vries  <tom@codesourcery.com>
9939             Jan Hubicka  <hubicka@ucw.cz>
9940             Martin Jambor  <mjambor@suse.cz>
9941
9942         * config.gcc: Add amdgcn*-*-amdhsa configuration.
9943         * configure.ac: Check for dlopen.
9944         * configure: Regenerate.
9945
9946 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9947             Kwok Cheung Yeung  <kcy@codesourcery.com>
9948             Julian Brown  <julian@codesourcery.com>
9949             Tom de Vries  <tom@codesourcery.com>
9950             Jan Hubicka  <hubicka@ucw.cz>
9951             Martin Jambor  <mjambor@suse.cz>
9952
9953         * common/config/gcn/gcn-common.c: New file.
9954         * config/gcn/driver-gcn.c: New file.
9955         * config/gcn/gcn-builtins.def: New file.
9956         * config/gcn/gcn-hsa.h: New file.
9957         * config/gcn/gcn-modes.def: New file.
9958         * config/gcn/gcn-opts.h: New file.
9959         * config/gcn/gcn-passes.def: New file.
9960         * config/gcn/gcn-protos.h: New file.
9961         * config/gcn/gcn-run.c: New file.
9962         * config/gcn/gcn-tree.c: New file.
9963         * config/gcn/gcn.c: New file.
9964         * config/gcn/gcn.h: New file.
9965         * config/gcn/gcn.opt: New file.
9966         * config/gcn/t-gcn-hsa: New file.
9967
9968 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
9969             Kwok Cheung Yeung  <kcy@codesourcery.com>
9970             Julian Brown  <julian@codesourcery.com>
9971             Tom de Vries  <tom@codesourcery.com>
9972             Jan Hubicka  <hubicka@ucw.cz>
9973             Martin Jambor  <mjambor@suse.cz>
9974
9975         * config/gcn/constraints.md: New file.
9976         * config/gcn/gcn-valu.md: New file.
9977         * config/gcn/gcn.md: New file.
9978         * config/gcn/predicates.md: New file.
9979
9980 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9981
9982         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
9983         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
9984         (stmt_uses_0_or_null_in_undefined_way): Likewise.
9985         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
9986
9987 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
9988
9989         PR target/88851
9990         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
9991         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
9992         it and document registers.
9993
9994 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9995
9996         * config/aarch64/aarch64.c (ares_tunings): Define.
9997         * config/aarch64/aarch64-cores.def (ares): Use the above.
9998
9999 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10000
10001         PR target/88794
10002         Revert:
10003         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
10004
10005         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
10006         (_mm512_fixupimm_round_pd): Update parameters and builtin.
10007         (_mm512_maskz_fixupimm_round_pd): Ditto.
10008         (_mm512_fixupimm_round_ps): Ditto.
10009         (_mm512_maskz_fixupimm_round_ps): Ditto.
10010         (_mm_fixupimm_round_sd): Ditto.
10011         (_mm_maskz_fixupimm_round_sd): Ditto.
10012         (_mm_fixupimm_round_ss): Ditto.
10013         (_mm_maskz_fixupimm_round_ss): Ditto.
10014         (_mm512_fixupimm_pd): Ditto.
10015         (_mm512_maskz_fixupimm_pd): Ditto.
10016         (_mm512_fixupimm_ps): Ditto.
10017         (_mm512_maskz_fixupimm_ps): Ditto.
10018         (_mm_fixupimm_sd): Ditto.
10019         (_mm_maskz_fixupimm_sd): Ditto.
10020         (_mm_fixupimm_ss): Ditto.
10021         (_mm_maskz_fixupimm_ss): Ditto.
10022         (_mm512_mask_fixupimm_round_pd): Update builtin.
10023         (_mm512_mask_fixupimm_round_ps): Ditto.
10024         (_mm_mask_fixupimm_round_sd): Ditto.
10025         (_mm_mask_fixupimm_round_ss): Ditto.
10026         (_mm512_mask_fixupimm_pd): Ditto.
10027         (_mm512_mask_fixupimm_ps): Ditto.
10028         (_mm_mask_fixupimm_sd): Ditto.
10029         (_mm_mask_fixupimm_ss): Ditto.
10030         * config/i386/avx512vlintrin.h:
10031         (_mm256_fixupimm_pd): Update parameters and builtin.
10032         (_mm256_maskz_fixupimm_pd): Ditto.
10033         (_mm256_fixupimm_ps): Ditto.
10034         (_mm256_maskz_fixupimm_ps): Ditto.
10035         (_mm_fixupimm_pd): Ditto.
10036         (_mm_maskz_fixupimm_pd): Ditto.
10037         (_mm_fixupimm_ps): Ditto.
10038         (_mm_maskz_fixupimm_ps): Ditto.
10039         (_mm256_mask_fixupimm_pd): Update builtin.
10040         (_mm256_mask_fixupimm_ps): Ditto.
10041         (_mm_mask_fixupimm_pd): Ditto.
10042         (_mm_mask_fixupimm_ps): Ditto.
10043         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
10044         * config/i386/i386-builtin.def: Update builtin definitions.
10045         * config/i386/i386.c: Handle new builtin types and remove useless ones.
10046         * config/i386/sse.md: Update VFIXUPIMM* patterns.
10047         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10048         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10049         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
10050         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10051         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10052         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
10053         * config/i386/subst.md:
10054         (round_saeonly_sd_mask_operand4): Add new subst_attr.
10055         (round_saeonly_sd_mask_op4): Ditto.
10056         (round_saeonly_expand_operand5): Ditto.
10057         (round_saeonly_expand): Update.
10058
10059 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10060
10061         PR target/88794
10062         Revert:
10063         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
10064
10065         * config/i386/sse.md: Combine VFIXUPIMM* patterns
10066         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10067         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10068         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
10069         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
10070         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
10071         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
10072
10073 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
10074
10075         PR target/88794
10076         Revert:
10077         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
10078
10079         PR target/88489
10080         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
10081         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
10082         instead of UNSPEC_FIXUPIMM.
10083
10084 2019-01-17  Richard Biener  <rguenther@suse.de>
10085
10086         PR lto/86736
10087         * dwarf2out.c (want_pubnames): Never generate pubnames sections
10088         and friends for the LTO part of debug info.
10089
10090 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
10091
10092         PR tree-optimization/86214
10093         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
10094         if x == y.
10095
10096         PR rtl-optimization/88870
10097         * dce.c (deletable_insn_p): Never delete const/pure calls that can
10098         throw if we can't alter the cfg or delete dead exceptions.
10099         (mark_insn): Don't call find_call_stack_args for such calls.
10100
10101 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
10102
10103         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
10104         prototypes for vec_st.
10105         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
10106         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
10107         mainly on signed/unsigned long long and double.
10108
10109 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
10110
10111         PR target/88861
10112         * combine.c (delete_noop_moves): Convert to "bool" return,
10113         returning true if any edges are eliminated.
10114         (combine_instructions): Also return true if delete_noop_moves
10115         returns true.
10116
10117 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10118
10119         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
10120         correct max nunits for endian swap.
10121         (aarch64_expand_fcmla_builtin): Correct subreg code.
10122         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10123         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
10124         lane endianness.
10125
10126 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
10127
10128         * config/alpha/alpha.c (alpha_gimplify_va_arg):
10129         Handle split indirect COMPLEX_TYPE arguments.
10130
10131 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
10132
10133         PR target/86891
10134         * config/aarch64/aarch64-modes.def: Add comment about how the carry
10135         bit is set by add and compare.
10136         (CC_ADC): New CC_MODE.
10137         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
10138         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
10139         comparison.  Add detection for CC_ADCmode.
10140         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
10141         CC_ADCmode.
10142         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
10143         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
10144         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
10145         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
10146         to eliminate the need for zero-extending the operands.
10147         (add<mode>3_compareC_imm): Delete.  Merge into ...
10148         (add<mode>3_compareC): ... this.  Restructure the comparison to
10149         eliminate the need for zero-extending the operands.
10150         (add<mode>3_carryin): Use LTU for the overflow detection.
10151         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
10152         Reexpress comparison for overflow.
10153         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
10154         (add<mode>3_carryinC): Likewise.
10155         (add<mode>3_carryinV): Use LTU for carry between partials.
10156         * config/aarch64/predicates.md (aarch64_carry_operation): Update
10157         handling of CC_Cmode and add CC_ADCmode.
10158         (aarch64_borrow_operation): Likewise.
10159
10160 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
10161
10162         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
10163         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
10164         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
10165         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
10166
10167 2019-01-16  Martin Liska  <mliska@suse.cz>
10168
10169         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
10170         for GCC driver.
10171         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
10172         a new argument.
10173         * gcc.c (add_sysrooted_hdrs_prefix): New function.
10174         (path_prefix_reset): Move up in the source file.
10175         (find_fortran_preinclude_file): Make complex search for the
10176         fortran header files.
10177
10178 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
10179
10180         * godump.c (go_output_typedef): When outputting a typedef, refer
10181         to the underlying type by its name and not its structure.
10182
10183 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
10184
10185         PR c++/88795
10186         * tree.c (build_function_type): Assert that arg_types is not
10187         error_mark_node.
10188
10189 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10190
10191         PR inline-asm/52813
10192         * doc/extend.texi: Document that listing the stack pointer in the
10193         clobber list of an asm is a deprecated feature.
10194         * common.opt (Wdeprecated): Moved from c-family/c.opt.
10195         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
10196         warning instead of an error for clobbers of the stack pointer.
10197         Add a note explaining why.
10198
10199 2019-01-15  Richard Biener  <rguenther@suse.de>
10200
10201         PR debug/88046
10202         * dwarf2out.c (gen_member_die): Do not generate inheritance
10203         DIEs late.
10204
10205 2019-01-15  Richard Biener  <rguenther@suse.de>
10206
10207         PR tree-optimization/88855
10208         * tree-if-conv.c (combine_blocks): Collect
10209         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
10210
10211 2019-01-15  Tom de Vries  <tdevries@suse.de>
10212
10213         PR target/80547
10214         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
10215         lhs == NULL_TREE for gang-level reduction.
10216
10217 2019-01-15  Richard Biener  <rguenther@suse.de>
10218             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10219
10220         PR ipa/88788
10221         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
10222         return true if SSA_NAME is already marked in visited bitmap.
10223         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
10224
10225 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
10226
10227         PR tree-optimization/88775
10228         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
10229         equal == 0 equality pointer comparisons some more if compared in
10230         integral types and either one points to an automatic var and the
10231         other to a global, or we can prove at least one points to the middle
10232         or both point to start or both point to end.
10233
10234 2019-01-14  Andi Kleen  <ak@linux.intel.com>
10235
10236         * Makefile.in: Lower autofdo sampling rate by 10x.
10237         * Makefile.tpl: Dito.
10238
10239 2019-01-14  Tom Honermann  <tom@honermann.net>
10240
10241         * defaults.h: Define CHAR8_TYPE.
10242
10243 2019-01-14  Martin Sebor  <msebor@redhat.com>
10244
10245         PR target/88638
10246         * doc/extend.texi (Darwin Format Checks): Clarify.
10247
10248 2019-01-14  Richard Biener  <rguenther@suse.de>
10249
10250         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
10251         whether we are in (simplify ...) or (match ...) context.
10252
10253 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
10254
10255         PR rtl-optimization/88796
10256         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
10257         * cfgexpand.c (stack_protect_prologue): Initialize
10258         crtl->stack_protect_guard_decl.
10259         * function.c (stack_protect_epilogue): Use it instead of calling
10260         targetm.stack_protect_guard again.
10261         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
10262         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
10263         crtl->stack_protect_guard_decl.
10264         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
10265         on the returned MEM_EXPR.
10266
10267 2019-01-12  Tom de Vries  <tdevries@suse.de>
10268
10269         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
10270         vector length using -fopenacc-dim.
10271
10272 2019-01-12  Tom de Vries  <tdevries@suse.de>
10273
10274         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
10275         lengths into account.
10276
10277 2019-01-12  Svante Signell  <svante.signell@gmail.com>
10278
10279         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
10280         (TARGET_CAN_SPLIT_STACK): Define.
10281         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
10282
10283 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
10284
10285         * params.def (inline-unit-growth): Set to 40.
10286
10287 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
10288
10289         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
10290
10291 2019-01-12  Tom de Vries  <tdevries@suse.de>
10292
10293         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
10294         region calling vector-partitionable routine, set default_vector_length
10295         to WARP_SIZE.
10296
10297 2019-01-12  Tom de Vries  <tdevries@suse.de>
10298
10299         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
10300         variable default_vector_length.
10301
10302 2019-01-12  Tom de Vries  <tdevries@suse.de>
10303
10304         PR middle-end/88703
10305         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
10306         from oacc_default_dims, as oacc_validate_dims would do it, and apply
10307         dimensions limits.
10308
10309 2019-01-12  Tom de Vries  <tdevries@suse.de>
10310
10311         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
10312         (nvptx_goacc_validate_dims): Add used parameter.
10313         * doc/tm.texi: Regenerate.
10314         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
10315         argument to call to targetm.goacc.validate_dims.
10316         (default_goacc_validate_dims): Add used
10317         parameter.
10318         * target.def (validate_dims): Add used parameter in DEFHOOK.
10319         * targhooks.h (default_goacc_validate_dims): Add used parameter.
10320
10321 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10322
10323         PR middle-end/85956
10324         PR lto/88733
10325         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
10326         field.
10327         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
10328         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
10329         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
10330         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
10331
10332 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
10333
10334         PR rtl-optimization/87305
10335         * lra-assigns.c
10336         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
10337         for little endian pseudos used as paradoxical subreg.
10338
10339 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10340
10341         PR tree-optimization/88693
10342         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
10343         for STRING_CSTs that don't contain any NUL characters in the first
10344         TREE_STRING_LENGTH bytes.
10345
10346 2019-01-11  Alan Modra  <amodra@gmail.com>
10347
10348         PR 88777
10349         PR 88614
10350         * genattrtab.c (min_fn): Don't translate values.
10351         (min_attr_value): Return INT_MAX when the value can't be calculated.
10352         Return minimum among any values that can be calculated.
10353         (max_attr_value): Adjust.
10354
10355 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10356
10357         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
10358
10359 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10360
10361         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10362         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
10363         (aarch64_return_call_with_max_clobbers): New function.
10364         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
10365         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
10366         argument.
10367         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
10368         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
10369         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
10370         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
10371         * cselib.c (cselib_process_insn): Add argument to
10372         targetm.hard_regno_call_part_clobbered call.
10373         * ira-conflicts.c (ira_build_conflicts): Ditto.
10374         * ira-costs.c (ira_tune_allocno_costs): Ditto.
10375         * lra-constraints.c (inherit_reload_reg): Ditto.
10376         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
10377         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
10378         argument.  Call targetm.return_call_with_max_clobbers.
10379         Add argument to targetm.hard_regno_call_part_clobbered call.
10380         (calls_have_same_clobbers_p): New function.
10381         (process_bb_lives): Add call_insn and last_call_insn variables.
10382         Pass call_insn to check_pseudos_live_through_calls.
10383         Modify if stmt to check targetm.return_call_with_max_clobbers.
10384         Update setting of flush variable.
10385         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
10386         to false.
10387         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
10388         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
10389         targetm.hard_regno_call_part_clobbered call.
10390         * reginfo.c (choose_hard_reg_mode): Ditto.
10391         * regrename.c (check_new_reg_p): Ditto.
10392         * reload.c (find_equiv_reg): Ditto.
10393         * reload1.c (emit_reload_insns): Ditto.
10394         * sched-deps.c (deps_analyze_insn): Ditto.
10395         * sel-sched.c (init_regs_for_mode): Ditto.
10396         (mark_unavailable_hard_regs): Ditto.
10397         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
10398         * target.def (hard_regno_call_part_clobbered): Add insn argument.
10399         (return_call_with_max_clobbers): New target function.
10400         * doc/tm.texi: Regenerate.
10401         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
10402         * hooks.c (hook_bool_uint_mode_false): Change to
10403         hook_bool_insn_uint_mode_false.
10404         * hooks.h (hook_bool_uint_mode_false): Ditto.
10405
10406 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
10407
10408         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
10409         (aarch64_remove_extra_call_preserved_regs): New function.
10410         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
10411         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
10412         * doc/tm.texi: Regenerate.
10413         * final.c (get_call_reg_set_usage): Call new hook.
10414         * target.def (remove_extra_call_preserved_regs): New hook.
10415         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
10416         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
10417
10418 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
10419
10420         PR bootstrap/88714
10421         * passes.c (finish_optimization_passes): Call print_combine_total_stats
10422         inside of pass_combine_1 dump rather than pass_profile_1.
10423
10424 2019-01-11  Tom de Vries  <tdevries@suse.de>
10425
10426         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
10427         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
10428         (PTX_NUM_PER_WORKER_BARRIERS): Define.
10429         (nvptx_apply_dim_limits): Prevent vector_length 64 and
10430         num_workers 16.
10431
10432 2019-01-11  Tom de Vries  <tdevries@suse.de>
10433
10434         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
10435
10436 2019-01-11  Jan Beulich  <jbeulich@suse.com>
10437
10438         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
10439         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
10440         sse2_cvtsi2sd): Add {l}.
10441         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
10442         syntax.
10443
10444 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10445
10446         PR target/88785
10447         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
10448         define_expand.
10449         (*float<floatunssuffix>v2div2sf2): New define_insn.
10450         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
10451         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
10452         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
10453         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
10454         match_operands with "const0_operand" "C".
10455
10456 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10457
10458         * config/aarch64/aarch64-builtins.c
10459         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
10460         (aarch64_init_simd_builtins): ...Here
10461
10462 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
10463
10464         PR rtl-optimization/87305
10465         * lra-assigns.c
10466         (setup_live_pseudos_and_spill_after_risky_transforms): Check
10467         allocation for big endian pseudos used as paradoxical subregs and
10468         spill them if it is wrong.
10469         * lra-constraints.c (lra_constraints): Add a comment.
10470
10471 2019-01-10  Richard Biener  <rguenther@suse.de>
10472
10473         PR tree-optimization/88792
10474         * tree-ssa-pre.c (get_representative_for): Do not return a
10475         value-number here.
10476
10477 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10478
10479         PR middle-end/84877
10480         PR bootstrap/88450
10481         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
10482         (assign_parm_setup_block): Do the argument slot realignment here
10483         instead.
10484
10485 2019-01-10  Stefan Agner  <stefan@agner.ch>
10486
10487         PR target/88648
10488         * config/arm/arm.c (arm_option_override_internal): Force
10489         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
10490
10491 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
10492
10493         PR c/88568
10494         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
10495         DECL_EXTERNAL.
10496
10497 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10498
10499         * config/arm/arm-builtins.c
10500         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
10501         (MAC_LANE_PAIR_QUALIFIERS): New.
10502         (arm_expand_builtin_args): Use it.
10503         (arm_expand_builtin_1): Likewise.
10504         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
10505         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
10506         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
10507         * config/arm/arm_neon.h:
10508         (vcadd_rot90_f16): New.
10509         (vcaddq_rot90_f16): New.
10510         (vcadd_rot270_f16): New.
10511         (vcaddq_rot270_f16): New.
10512         (vcmla_f16): New.
10513         (vcmlaq_f16): New.
10514         (vcmla_lane_f16): New.
10515         (vcmla_laneq_f16): New.
10516         (vcmlaq_lane_f16): New.
10517         (vcmlaq_laneq_f16): New.
10518         (vcmla_rot90_f16): New.
10519         (vcmlaq_rot90_f16): New.
10520         (vcmla_rot90_lane_f16): New.
10521         (vcmla_rot90_laneq_f16): New.
10522         (vcmlaq_rot90_lane_f16): New.
10523         (vcmlaq_rot90_laneq_f16): New.
10524         (vcmla_rot180_f16): New.
10525         (vcmlaq_rot180_f16): New.
10526         (vcmla_rot180_lane_f16): New.
10527         (vcmla_rot180_laneq_f16): New.
10528         (vcmlaq_rot180_lane_f16): New.
10529         (vcmlaq_rot180_laneq_f16): New.
10530         (vcmla_rot270_f16): New.
10531         (vcmlaq_rot270_f16): New.
10532         (vcmla_rot270_lane_f16): New.
10533         (vcmla_rot270_laneq_f16): New.
10534         (vcmlaq_rot270_lane_f16): New.
10535         (vcmlaq_rot270_laneq_f16): New.
10536         (vcadd_rot90_f32): New.
10537         (vcaddq_rot90_f32): New.
10538         (vcadd_rot270_f32): New.
10539         (vcaddq_rot270_f32): New.
10540         (vcmla_f32): New.
10541         (vcmlaq_f32): New.
10542         (vcmla_lane_f32): New.
10543         (vcmla_laneq_f32): New.
10544         (vcmlaq_lane_f32): New.
10545         (vcmlaq_laneq_f32): New.
10546         (vcmla_rot90_f32): New.
10547         (vcmlaq_rot90_f32): New.
10548         (vcmla_rot90_lane_f32): New.
10549         (vcmla_rot90_laneq_f32): New.
10550         (vcmlaq_rot90_lane_f32): New.
10551         (vcmlaq_rot90_laneq_f32): New.
10552         (vcmla_rot180_f32): New.
10553         (vcmlaq_rot180_f32): New.
10554         (vcmla_rot180_lane_f32): New.
10555         (vcmla_rot180_laneq_f32): New.
10556         (vcmlaq_rot180_lane_f32): New.
10557         (vcmlaq_rot180_laneq_f32): New.
10558         (vcmla_rot270_f32): New.
10559         (vcmlaq_rot270_f32): New.
10560         (vcmla_rot270_lane_f32): New.
10561         (vcmla_rot270_laneq_f32): New.
10562         (vcmlaq_rot270_lane_f32): New.
10563         (vcmlaq_rot270_laneq_f32): New.
10564         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
10565         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
10566         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
10567         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
10568         vcmlaq_lane270): New.
10569         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
10570         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
10571         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
10572         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
10573         (arm_option_reconfigure_globals): Use them.
10574         * config/arm/iterators.md (VDF, VQ_HSF): New.
10575         (VCADD, VCMLA): New.
10576         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
10577         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
10578         New.
10579         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
10580         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
10581
10582 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
10583
10584         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
10585         Add qualifier_lane_pair_index.
10586         (emit-rtl.h): Include.
10587         (TYPES_QUADOP_LANE_PAIR): New.
10588         (aarch64_simd_expand_args): Use it.
10589         (aarch64_simd_expand_builtin): Likewise.
10590         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
10591         New.
10592         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
10593         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
10594         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
10595         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
10596         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
10597         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
10598         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
10599         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
10600         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
10601         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
10602         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
10603         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
10604         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
10605         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
10606         Add __ARM_FEATURE_COMPLEX.
10607         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
10608         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
10609         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
10610         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
10611         fcmlaq_lane270): New.
10612         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
10613         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
10614         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
10615         * config/aarch64/arm_neon.h:
10616         (vcadd_rot90_f16): New.
10617         (vcaddq_rot90_f16): New.
10618         (vcadd_rot270_f16): New.
10619         (vcaddq_rot270_f16): New.
10620         (vcmla_f16): New.
10621         (vcmlaq_f16): New.
10622         (vcmla_lane_f16): New.
10623         (vcmla_laneq_f16): New.
10624         (vcmlaq_lane_f16): New.
10625         (vcmlaq_rot90_lane_f16): New.
10626         (vcmla_rot90_laneq_f16): New.
10627         (vcmla_rot90_lane_f16): New.
10628         (vcmlaq_rot90_f16): New.
10629         (vcmla_rot90_f16): New.
10630         (vcmlaq_laneq_f16): New.
10631         (vcmla_rot180_laneq_f16): New.
10632         (vcmla_rot180_lane_f16): New.
10633         (vcmlaq_rot180_f16): New.
10634         (vcmla_rot180_f16): New.
10635         (vcmlaq_rot90_laneq_f16): New.
10636         (vcmlaq_rot270_laneq_f16): New.
10637         (vcmlaq_rot270_lane_f16): New.
10638         (vcmla_rot270_laneq_f16): New.
10639         (vcmlaq_rot270_f16): New.
10640         (vcmla_rot270_f16): New.
10641         (vcmlaq_rot180_laneq_f16): New.
10642         (vcmlaq_rot180_lane_f16): New.
10643         (vcmla_rot270_lane_f16): New.
10644         (vcadd_rot90_f32): New.
10645         (vcaddq_rot90_f32): New.
10646         (vcaddq_rot90_f64): New.
10647         (vcadd_rot270_f32): New.
10648         (vcaddq_rot270_f32): New.
10649         (vcaddq_rot270_f64): New.
10650         (vcmla_f32): New.
10651         (vcmlaq_f32): New.
10652         (vcmlaq_f64): New.
10653         (vcmla_lane_f32): New.
10654         (vcmla_laneq_f32): New.
10655         (vcmlaq_lane_f32): New.
10656         (vcmlaq_laneq_f32): New.
10657         (vcmla_rot90_f32): New.
10658         (vcmlaq_rot90_f32): New.
10659         (vcmlaq_rot90_f64): New.
10660         (vcmla_rot90_lane_f32): New.
10661         (vcmla_rot90_laneq_f32): New.
10662         (vcmlaq_rot90_lane_f32): New.
10663         (vcmlaq_rot90_laneq_f32): New.
10664         (vcmla_rot180_f32): New.
10665         (vcmlaq_rot180_f32): New.
10666         (vcmlaq_rot180_f64): New.
10667         (vcmla_rot180_lane_f32): New.
10668         (vcmla_rot180_laneq_f32): New.
10669         (vcmlaq_rot180_lane_f32): New.
10670         (vcmlaq_rot180_laneq_f32): New.
10671         (vcmla_rot270_f32): New.
10672         (vcmlaq_rot270_f32): New.
10673         (vcmlaq_rot270_f64): New.
10674         (vcmla_rot270_lane_f32): New.
10675         (vcmla_rot270_laneq_f32): New.
10676         (vcmlaq_rot270_lane_f32): New.
10677         (vcmlaq_rot270_laneq_f32): New.
10678         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
10679         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
10680         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
10681         (FCADD, FCMLA): New.
10682         (rot): New.
10683         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
10684
10685 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10686
10687         PR other/16615
10688
10689         * config/pa/pa.c: Change "can not" to "cannot".
10690         * gimple-ssa-evrp-analyze.c: Likewise.
10691         * ipa-icf.c: Likewise.
10692         * ipa-polymorphic-call.c: Likewise.
10693         * ipa-pure-const.c: Likewise.
10694         * lra-constraints.c: Likewise.
10695         * lra-remat.c: Likewise.
10696         * reload1.c: Likewise.
10697         * reorg.c: Likewise.
10698         * tree-ssa-uninit.c: Likewise.
10699
10700 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
10701
10702         PR other/16615
10703
10704         * Makefile.in: Mechanically replace "can not" with "cannot".
10705         * alias.c: Likewise.
10706         * builtins.c: Likewise.
10707         * calls.c: Likewise.
10708         * cgraph.c: Likewise.
10709         * cgraph.h: Likewise.
10710         * cgraphclones.c: Likewise.
10711         * cgraphunit.c: Likewise.
10712         * combine-stack-adj.c: Likewise.
10713         * combine.c: Likewise.
10714         * common/config/i386/i386-common.c: Likewise.
10715         * config/aarch64/aarch64.c: Likewise.
10716         * config/alpha/sync.md: Likewise.
10717         * config/arc/arc.c: Likewise.
10718         * config/arc/predicates.md: Likewise.
10719         * config/arm/arm-c.c: Likewise.
10720         * config/arm/arm.c: Likewise.
10721         * config/arm/arm.h: Likewise.
10722         * config/arm/arm.md: Likewise.
10723         * config/arm/cortex-r4f.md: Likewise.
10724         * config/csky/csky.c: Likewise.
10725         * config/csky/csky.h: Likewise.
10726         * config/darwin-f.c: Likewise.
10727         * config/epiphany/epiphany.md: Likewise.
10728         * config/i386/i386.c: Likewise.
10729         * config/i386/sol2.h: Likewise.
10730         * config/m68k/m68k.c: Likewise.
10731         * config/mcore/mcore.h: Likewise.
10732         * config/microblaze/microblaze.md: Likewise.
10733         * config/mips/20kc.md: Likewise.
10734         * config/mips/sb1.md: Likewise.
10735         * config/nds32/nds32.c: Likewise.
10736         * config/nds32/predicates.md: Likewise.
10737         * config/pa/pa.c: Likewise.
10738         * config/rs6000/e300c2c3.md: Likewise.
10739         * config/rs6000/rs6000.c: Likewise.
10740         * config/s390/s390.h: Likewise.
10741         * config/sh/sh.c: Likewise.
10742         * config/sh/sh.md: Likewise.
10743         * config/spu/vmx2spu.h: Likewise.
10744         * cprop.c: Likewise.
10745         * dbxout.c: Likewise.
10746         * df-scan.c: Likewise.
10747         * doc/cfg.texi: Likewise.
10748         * doc/extend.texi: Likewise.
10749         * doc/fragments.texi: Likewise.
10750         * doc/gty.texi: Likewise.
10751         * doc/invoke.texi: Likewise.
10752         * doc/lto.texi: Likewise.
10753         * doc/md.texi: Likewise.
10754         * doc/objc.texi: Likewise.
10755         * doc/rtl.texi: Likewise.
10756         * doc/tm.texi: Likewise.
10757         * dse.c: Likewise.
10758         * emit-rtl.c: Likewise.
10759         * emit-rtl.h: Likewise.
10760         * except.c: Likewise.
10761         * expmed.c: Likewise.
10762         * expr.c: Likewise.
10763         * fold-const.c: Likewise.
10764         * genautomata.c: Likewise.
10765         * gimple-fold.c: Likewise.
10766         * hard-reg-set.h: Likewise.
10767         * ifcvt.c: Likewise.
10768         * ipa-comdats.c: Likewise.
10769         * ipa-cp.c: Likewise.
10770         * ipa-devirt.c: Likewise.
10771         * ipa-fnsummary.c: Likewise.
10772         * ipa-icf.c: Likewise.
10773         * ipa-inline-transform.c: Likewise.
10774         * ipa-inline.c: Likewise.
10775         * ipa-polymorphic-call.c: Likewise.
10776         * ipa-profile.c: Likewise.
10777         * ipa-prop.c: Likewise.
10778         * ipa-pure-const.c: Likewise.
10779         * ipa-reference.c: Likewise.
10780         * ipa-split.c: Likewise.
10781         * ipa-visibility.c: Likewise.
10782         * ipa.c: Likewise.
10783         * ira-build.c: Likewise.
10784         * ira-color.c: Likewise.
10785         * ira-conflicts.c: Likewise.
10786         * ira-costs.c: Likewise.
10787         * ira-int.h: Likewise.
10788         * ira-lives.c: Likewise.
10789         * ira.c: Likewise.
10790         * ira.h: Likewise.
10791         * loop-invariant.c: Likewise.
10792         * loop-unroll.c: Likewise.
10793         * lower-subreg.c: Likewise.
10794         * lra-assigns.c: Likewise.
10795         * lra-constraints.c: Likewise.
10796         * lra-eliminations.c: Likewise.
10797         * lra-lives.c: Likewise.
10798         * lra-remat.c: Likewise.
10799         * lra-spills.c: Likewise.
10800         * lra.c: Likewise.
10801         * lto-cgraph.c: Likewise.
10802         * lto-streamer-out.c: Likewise.
10803         * postreload-gcse.c: Likewise.
10804         * predict.c: Likewise.
10805         * profile-count.h: Likewise.
10806         * profile.c: Likewise.
10807         * recog.c: Likewise.
10808         * ree.c: Likewise.
10809         * reload.c: Likewise.
10810         * reload1.c: Likewise.
10811         * reorg.c: Likewise.
10812         * resource.c: Likewise.
10813         * rtl.def: Likewise.
10814         * rtl.h: Likewise.
10815         * rtlanal.c: Likewise.
10816         * sched-deps.c: Likewise.
10817         * sched-ebb.c: Likewise.
10818         * sched-rgn.c: Likewise.
10819         * sel-sched-ir.c: Likewise.
10820         * sel-sched.c: Likewise.
10821         * shrink-wrap.c: Likewise.
10822         * simplify-rtx.c: Likewise.
10823         * symtab.c: Likewise.
10824         * target.def: Likewise.
10825         * toplev.c: Likewise.
10826         * tree-call-cdce.c: Likewise.
10827         * tree-cfg.c: Likewise.
10828         * tree-complex.c: Likewise.
10829         * tree-core.h: Likewise.
10830         * tree-eh.c: Likewise.
10831         * tree-inline.c: Likewise.
10832         * tree-loop-distribution.c: Likewise.
10833         * tree-nrv.c: Likewise.
10834         * tree-profile.c: Likewise.
10835         * tree-sra.c: Likewise.
10836         * tree-ssa-alias.c: Likewise.
10837         * tree-ssa-dce.c: Likewise.
10838         * tree-ssa-dom.c: Likewise.
10839         * tree-ssa-forwprop.c: Likewise.
10840         * tree-ssa-loop-im.c: Likewise.
10841         * tree-ssa-loop-ivcanon.c: Likewise.
10842         * tree-ssa-loop-ivopts.c: Likewise.
10843         * tree-ssa-loop-niter.c: Likewise.
10844         * tree-ssa-phionlycprop.c: Likewise.
10845         * tree-ssa-phiopt.c: Likewise.
10846         * tree-ssa-propagate.c: Likewise.
10847         * tree-ssa-threadedge.c: Likewise.
10848         * tree-ssa-threadupdate.c: Likewise.
10849         * tree-ssa-uninit.c: Likewise.
10850         * tree-ssanames.c: Likewise.
10851         * tree-streamer-out.c: Likewise.
10852         * tree.c: Likewise.
10853         * tree.h: Likewise.
10854         * vr-values.c: Likewise.
10855
10856 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
10857
10858         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
10859         (ix86_split_xorsign): Ditto.
10860         * config/i386/i386.c (ix86_expand_xorsign): New function.
10861         (ix86_split_xorsign): Ditto.
10862         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
10863         (xorsign<mode>3): New expander.
10864         (xorsign<mode>3_1): New insn_and_split pattern.
10865         * config/i386/sse.md (xorsign<mode>3): New expander.
10866
10867 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10868
10869         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
10870         (*tablejump_sp64): Likewise.
10871         (*tablejump<P:mode>): ...this.
10872         (*call_address_sp32): Merge into...
10873         (*call_address_sp64): Likewise.
10874         (*call_address<P:mode>): ...this.
10875         (*call_symbolic_sp32): Merge into...
10876         (*call_symbolic_sp64): Likewise.
10877         (*call_symbolic<P:mode>): ...this.
10878         (call_value): Remove constraint and add predicate.
10879         (*call_value_address_sp32): Merge into...
10880         (*call_value_address_sp64): Likewise.
10881         (*call_value_address<P:mode>): ...this.
10882         (*call_value_symbolic_sp32): Merge into...
10883         (*call_value_symbolic_sp64): Likewise.
10884         (*call_value_symbolic<P:mode>): ...this.
10885         (*sibcall_symbolic_sp32): Merge into...
10886         (*sibcall_symbolic_sp64): Likewise.
10887         (*sibcall_symbolic<P:mode>): ...this.
10888         (sibcall_value): Remove constraint and add predicate.
10889         (*sibcall_value_symbolic_sp32): Merge into...
10890         (*sibcall_value_symbolic_sp64): Likewise.
10891         (*sibcall_value_symbolic<P:mode>): ...this.
10892         (window_save): Minor tweak.
10893         (*branch_sp32): Merge into...
10894         (*branch_sp64): Likewise.
10895         (*branch<P:mode>): ...this.
10896
10897 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
10898             James Clarke  <jrtc27@jrtc27.com>
10899
10900         PR target/84010
10901         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
10902         consistently in TLS address generation and adjust code to the renaming
10903         of patterns.  Mark calls to __tls_get_addr as const.
10904         * config/sparc/sparc.md (tgd_hi22): Turn into...
10905         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
10906         (tgd_lo10): Turn into...
10907         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
10908         (tgd_add32): Merge into...
10909         (tgd_add64): Likewise.
10910         (tgd_add<P:mode>): ...this and use Pmode throughout.
10911         (tldm_hi22): Turn into...
10912         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
10913         (tldm_lo10): Turn into...
10914         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
10915         (tldm_add32): Merge into...
10916         (tldm_add64): Likewise.
10917         (tldm_add<P:mode>): ...this and use Pmode throughout.
10918         (tldm_call32): Merge into...
10919         (tldm_call64): Likewise.
10920         (tldm_call<P:mode>): ...this and use Pmode throughout.
10921         (tldo_hix22): Turn into...
10922         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
10923         (tldo_lox10): Turn into...
10924         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
10925         (tldo_add32): Merge into...
10926         (tldo_add64): Likewise.
10927         (tldo_add<P:mode>): ...this and use Pmode throughout.
10928         (tie_hi22): Turn into...
10929         (tie_hi22<P:mode>): ...this and use Pmode throughout.
10930         (tie_lo10): Turn into...
10931         (tie_lo10<P:mode>): ...this and use Pmode throughout.
10932         (tie_ld64): Use DImode throughout.
10933         (tie_add32): Merge into...
10934         (tie_add64): Likewise.
10935         (tie_add<P:mode>): ...this and use Pmode throughout.
10936         (tle_hix22_sp32): Merge into...
10937         (tle_hix22_sp64): Likewise.
10938         (tle_hix22<P:mode>): ...this and use Pmode throughout.
10939         (tle_lox22_sp32): Merge into...
10940         (tle_lox22_sp64): Likewise.
10941         (tle_lox22<P:mode>): ...this and use Pmode throughout.
10942         (*tldo_ldub_sp32): Merge into...
10943         (*tldo_ldub_sp64): Likewise.
10944         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
10945         (*tldo_ldub1_sp32): Merge into...
10946         (*tldo_ldub1_sp64): Likewise.
10947         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
10948         (*tldo_ldub2_sp32): Merge into...
10949         (*tldo_ldub2_sp64): Likewise.
10950         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
10951         (*tldo_ldsb1_sp32): Merge into...
10952         (*tldo_ldsb1_sp64): Likewise.
10953         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
10954         (*tldo_ldsb2_sp32): Merge into...
10955         (*tldo_ldsb2_sp64): Likewise.
10956         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
10957         (*tldo_ldub3_sp64): Use DImode throughout.
10958         (*tldo_ldsb3_sp64): Likewise.
10959         (*tldo_lduh_sp32): Merge into...
10960         (*tldo_lduh_sp64): Likewise.
10961         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
10962         (*tldo_lduh1_sp32): Merge into...
10963         (*tldo_lduh1_sp64): Likewise.
10964         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
10965         (*tldo_ldsh1_sp32): Merge into...
10966         (*tldo_ldsh1_sp64): Likewise.
10967         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
10968         (*tldo_lduh2_sp64): Use DImode throughout.
10969         (*tldo_ldsh2_sp64): Likewise.
10970         (*tldo_lduw_sp32): Merge into...
10971         (*tldo_lduw_sp64): Likewise.
10972         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
10973         (*tldo_lduw1_sp64): Use DImode throughout.
10974         (*tldo_ldsw1_sp64): Likewise.
10975         (*tldo_ldx_sp64): Likewise.
10976         (*tldo_stb_sp32): Merge into...
10977         (*tldo_stb_sp64): Likewise.
10978         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
10979         (*tldo_sth_sp32): Merge into...
10980         (*tldo_sth_sp64): Likewise.
10981         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
10982         (*tldo_stw_sp32): Merge into...
10983         (*tldo_stw_sp64): Likewise.
10984         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
10985         (*tldo_stx_sp64): Use DImode throughout.
10986
10987 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10988
10989         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
10990         check configure option to set BTI and Return Address Signing.
10991         * configure.ac: Add --enable-standard-branch-protection and
10992         --disable-standard-branch-protection.
10993         * configure: Regenerated.
10994         * doc/install.texi: Document the same.
10995
10996 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
10997             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10998
10999         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
11000         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
11001         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
11002         if bti is enabled.
11003         * config/aarch64/aarch64-bti-insert.c: New file.
11004         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
11005         pass.
11006         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
11007         new bti pass.
11008         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
11009         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
11010         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
11011         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
11012
11013 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11014
11015         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
11016         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
11017         Disable bti for -mbranch-protection=none.
11018         (aarch64_handle_standard_branch_protection): Enable bti for
11019         -mbranch-protection=standard.
11020         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
11021         -mbranch-protection.
11022         (aarch64_bti_enabled): Check if bti is enabled.
11023         * config/aarch64/aarch64.opt: Declare target variable.
11024         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
11025
11026 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11027
11028         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
11029         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
11030         (aarch64_expand_epilogue): Likewise.
11031         (aarch64_output_mi_thunk): Likewise
11032         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
11033         TAILCALL_ADDR_REGS to x16 and x17.
11034         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
11035
11036 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11037
11038         * config/aarch64/aarch64-option-extensions.def: Define
11039         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
11040         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
11041         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
11042         (AARCH64_FL_PREDRES): New.
11043         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
11044         AARCH64_FL_PREDRES by default.
11045         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
11046
11047 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
11048
11049         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
11050         ARMv8.5-A.
11051         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
11052         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
11053         * doc/invoke.texi: Document ARMv8.5-A.
11054
11055 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
11056
11057         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
11058         (xorsign<mode>3): Likewise.
11059
11060 2019-01-09  Jelinek  <jakub@redhat.com>
11061
11062         PR middle-end/88758
11063         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
11064         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
11065
11066         PR rtl-optimization/88331
11067         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
11068         not currently_expanding_to_rtl.
11069
11070 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
11071
11072         * doc/invoke.texi (-Os): Remove trailing spaces.
11073         (-finline-functions): Remove reference to -O2.
11074
11075 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
11076
11077         PR rtl-optimization/79593
11078         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
11079
11080         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
11081         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
11082
11083 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
11084
11085         PR bootstrap/88721
11086         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
11087         to -1 on entry.
11088
11089         PR debug/88723
11090         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
11091         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
11092
11093 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11094
11095         PR target/88717
11096         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
11097         ix86_avx_u128_mode_entry.
11098
11099 2019-01-08  Martin Liska  <mliska@suse.cz>
11100
11101         PR tree-optimization/88753
11102         * tree-switch-conversion.c (switch_conversion::build_one_array):
11103         Come up with local variable constructor.  Convert first to
11104         type of constructor values.
11105
11106 2019-01-08  Richard Biener  <rguenther@suse.de>
11107
11108         PR tree-optimization/86554
11109         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
11110         rpo_avail): Move earlier.
11111         (visit_nary_op): When value-numbering to expressions
11112         with different overflow behavior make sure there's an
11113         available expression on the path.
11114
11115 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
11116
11117         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
11118         aarch64_parse_branch_protection,
11119         struct aarch64_branch_protect_type,
11120         aarch64_handle_no_branch_protection,
11121         aarch64_handle_standard_branch_protection,
11122         aarch64_validate_mbranch_protection,
11123         aarch64_handle_pac_ret_protection,
11124         aarch64_handle_attr_branch_protection,
11125         accepted_branch_protection_string,
11126         aarch64_pac_ret_subtypes,
11127         aarch64_branch_protect_types,
11128         aarch64_handle_pac_ret_leaf): Define.
11129         (aarch64_override_options_after_change_1, aarch64_override_options):
11130         Add check for accepted_branch_protection_string.
11131         (aarch64_option_save): Save accepted_branch_protection_string.
11132         (aarch64_option_restore): Save accepted_branch_protection_string.
11133         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
11134         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
11135         msign-return-address.
11136         * doc/invoke.texi: Add mbranch-protection.
11137
11138 2019-01-08  Alan Modra  <amodra@gmail.com>
11139
11140         PR target/88614
11141         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
11142         Delete "unknownp" parameter.  Adjust callers.  Handle
11143         CONST_INT, PLUS, MINUS, and MULT.
11144         (attr_value_aligned): Renamed from or_attr_value.
11145         (min_attr_value): Return INT_MIN for unhandled rtl case..
11146         (min_fn): ..and translate to INT_MAX here.
11147         (write_length_unit_log): Modify to cope without "unknown".
11148         (write_attr_value): Handle IF_THEN_ELSE.
11149
11150 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11151
11152         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
11153         optimization for masked stores.
11154
11155 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11156
11157         PR middle-end/88567
11158         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
11159         output vector directly to duplicate_and_interleave instead of
11160         going through a temporary.  Postpone insertion of ctor_seq to
11161         the end of the loop.
11162
11163 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
11164
11165         PR target/86891
11166         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
11167         unsigned_p.  Handle signed and unsigned overflow correction as
11168         required.
11169         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
11170         prototype.
11171         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
11172         for operand 2.
11173         (add<mode>3_compareV_imm): Make this callable for expanding.
11174         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
11175         aarch64_plus_operand for operand 2.
11176         (subv<GPI:mode>_insn): New insn pattern.
11177         (subv<GPI:mode>_imm): Likewise.
11178         (negv<GPI:mode>3): New expand pattern.
11179         (negv<GPI:mode>_insn): New insn pattern.
11180         (negv<GPI:mode>_cmp_only): Likewise.
11181         (cmpv<GPI:mode>_insn): Likewise.
11182         (subvti4): Use register_operand for operand 1.  Update call to
11183         aarch64_expand_subvti.
11184         (usubvti4): Likewise.
11185         (negvti3): New expand pattern.
11186         (negdi_carryout): New insn pattern.
11187         (negvdi_carryinV): New insn pattern.
11188         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
11189         version the named version.
11190         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
11191         operands.
11192         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
11193         patterns.
11194         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
11195         patterns.
11196         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
11197         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
11198         (sub<mode>3_carryinCV): Delete.
11199         (sub<GPI:mode>3_carryinV): New expand pattern.
11200         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
11201
11202 2019-01-07  Richard Biener  <rguenther@suse.de>
11203
11204         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
11205         of tree_operand_hash.
11206
11207 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11208
11209         PR tree-optimization/88598
11210         * tree.h (single_nonzero_element): Declare.
11211         * tree.c (single_nonzero_element): New function.
11212         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
11213         if I is the only nonzero element of CST.
11214
11215 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
11216
11217         PR tree-optimization/88598
11218         * tree.h (initializer_each_zero_or_onep): Declare.
11219         * tree.c (initializer_each_zero_or_onep): New function.
11220         (signed_or_unsigned_type_for): Handle float types too.
11221         (unsigned_type_for, signed_type_for): Update comments accordingly.
11222         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
11223         x & { 0 or -1, 0 or -1, ... }.
11224
11225 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
11226
11227         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
11228         with x86_64-pc-linux-gnu.
11229
11230 2019-01-07  Tom de Vries  <tdevries@suse.de>
11231
11232         PR target/85486
11233         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
11234         function.
11235         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
11236         routines.
11237
11238 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
11239
11240         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
11241         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
11242         TARGET_AVX512F as condition.
11243
11244         PR debug/88723
11245         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
11246         const_not_ok_for_debug_p target hook.
11247         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
11248         on UNSPEC and subexpressions thereof if all subexpressions of the
11249         UNSPEC are CONSTANT_P.
11250
11251         PR tree-optimization/88676
11252         * tree-ssa-phiopt.c (two_value_replacement): New function.
11253         (tree_ssa_phiopt_worker): Call it.
11254
11255         PR sanitizer/88619
11256         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
11257         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
11258
11259         PR c++/85052
11260         * tree-vect-generic.c: Include insn-config.h and recog.h.
11261         (expand_vector_piecewise): Add defaulted ret_type argument,
11262         if non-NULL, use that in preference to type for the result type.
11263         (expand_vector_parallel): Formatting fix.
11264         (do_vec_conversion, do_vec_narrowing_conversion,
11265         expand_vector_conversion): New functions.
11266         (expand_vector_operations_1): Call expand_vector_conversion
11267         for VEC_CONVERT ifn calls.
11268         * internal-fn.def (VEC_CONVERT): New internal function.
11269         * internal-fn.c (expand_VEC_CONVERT): New function.
11270         * fold-const-call.c (fold_const_vec_convert): New function.
11271         (fold_const_call): Use it for CFN_VEC_CONVERT.
11272         * doc/extend.texi (__builtin_convertvector): Document.
11273
11274 2019-01-07  Tom de Vries  <tdevries@suse.de>
11275
11276         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
11277         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
11278         vector_red_partition, vector_red_sym): New global variables.
11279         (nvptx_option_override): Initialize vector_red_sym.
11280         (nvptx_declare_function_name): Restore red_partition register.
11281         (nvptx_file_end): Emit code to declare the vector reduction variables.
11282         (nvptx_output_red_partition): New function.
11283         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
11284         large vector reductions.
11285         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
11286         (nvptx_init_builtins): Add VECTOR_ADDR.
11287         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
11288         Handle nvptx_expand_shared_addr.
11289         (nvptx_get_shared_red_addr): Add vector argument and handle large
11290         vectors.
11291         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
11292         large vectors.
11293         (nvptx_goacc_reduction_init): Likewise.
11294         (nvptx_goacc_reduction_fini): Likewise.
11295         (nvptx_goacc_reduction_teardown): Likewise.
11296         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
11297         init,fini,teardown}.
11298         (nvptx_init_axis_predicate): Initialize vector_red_partition.
11299         (nvptx_set_current_function): Init vector_red_partition.
11300         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
11301         (nvptx_red_partition): New insn.
11302         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
11303
11304 2019-01-07  Tom de Vries  <tdevries@suse.de>
11305
11306         PR target/85381
11307         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
11308         empty loops.
11309
11310 2019-01-07  Tom de Vries  <tdevries@suse.de>
11311
11312         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
11313         (nvptx_option_override): Init oacc_bcast_partition.
11314         (nvptx_init_oacc_workers): New function.
11315         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
11316         (nvptx_needs_shared_bcast): New function.
11317         (nvptx_find_par): Generalize to enable vectors to use shared-memory
11318         to propagate state.
11319         (nvptx_shared_propagate): Initialize vector bcast partition and
11320         synchronization state.
11321         (nvptx_single):  Generalize to enable vectors to use shared-memory
11322         to propagate state.
11323         (nvptx_process_pars): Likewise.
11324         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
11325         * config/nvptx/nvptx.h (struct machine_function): Add
11326         bcast_partition and sync_bar members.
11327
11328 2019-01-07  Tom de Vries  <tdevries@suse.de>
11329
11330         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
11331         (nvptx_apply_dim_limits): New function.
11332         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
11333         PTX_WARP_SIZE.
11334
11335 2019-01-07  Tom de Vries  <tdevries@suse.de>
11336
11337         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
11338         as late as possible.
11339
11340 2019-01-07  Tom de Vries  <tdevries@suse.de>
11341
11342         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
11343         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
11344         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
11345         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
11346         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
11347
11348 2019-01-07  Tom de Vries  <tdevries@suse.de>
11349
11350         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
11351
11352 2019-01-07  Tom de Vries  <tdevries@suse.de>
11353
11354         * omp-offload.c (oacc_get_min_dim): New function.
11355         * omp-offload.h (oacc_get_min_dim): Declare.
11356
11357 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
11358
11359         PR target/88521
11360         * config/i386/i386.c (function_value_ms_64): Return small sturct in
11361         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
11362
11363 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11364
11365         PR tree-opt/86020
11366         Revert:
11367         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
11368
11369         * ipa-inline.c (edge_badness): Use inlined_time instead of
11370         inline_summaries->get.
11371
11372 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11373
11374         * opts.c (enable_fdo_optimizations): Enable
11375         version-loops-for-strides, loop-interchange, unrol-and-jam
11376         and tree-loop-distribution.
11377         * invoke.texi: Document newly enabled options.
11378
11379 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11380
11381         * doc/invoke.texi (max-inline-insns-small): New parameters.
11382         * ipa-inline.c (want_early_inline_function_p): simplify.
11383         (want_inline_small_function_p): Fix pasto from previous patch;
11384         use max-inline-insns-small bound.
11385         * params.def (max-inline-insns-small): New param.
11386         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
11387         variables correctly.
11388
11389 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11390
11391         * doc/invoke.texi: Document max-inline-insns-size,
11392         uninlined-function-insns, uninlined-function-time,
11393         uninlined-thunk-insns and uninlined-thunk-time.
11394         * params.def: Add max-inline-insns-size,
11395         uninlined-function-insns, uninlined-function-time,
11396         uninlined-thunk-insns and uninlined-thunk-time.
11397         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
11398         new parameters.
11399         * ipa-inline.c (can_inline_edge_by_limits_p,
11400         want_inline_small_function_p): Use new parameters.
11401
11402 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
11403
11404         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
11405
11406 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
11407
11408         PR middle-end/82564
11409         PR target/88620
11410         * expr.c (expand_assignment): For calls returning VLA structures
11411         if to_rtx is not a MEM, force it into a stack temporary.
11412
11413         PR debug/88635
11414         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
11415         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
11416         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
11417         subexpressions of both operands.
11418         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
11419         subrtxes are CONSTANT_P.
11420         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
11421         2018-11-09 changes.
11422
11423 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
11424
11425         * params.def (hot-bb-count-ws-permille): Set to 990.
11426
11427 2019-01-04  Martin Sebor  <msebor@redhat.com>
11428
11429         PR c/88546
11430         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
11431         leaf.
11432
11433 2019-01-04  Martin Sebor  <msebor@redhat.com>
11434
11435         PR c/88363
11436         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
11437
11438 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11439
11440         * gdbinit.in: Turn off pagination for the skip commands, restore
11441         it to previous state afterwards.
11442
11443 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
11444
11445         PR target/88594
11446         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
11447         of GET_MODE (opN) as modes of the libcall arguments.
11448
11449 2019-01-04  Jan Beulich  <jbeulich@suse.com>
11450
11451         * config/i386/sse.md
11452         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
11453         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
11454         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11455         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
11456         avx512f_vmcmp<mode>3<round_saeonly_name>,
11457         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
11458         avx512f_maskcmp<mode>3,
11459         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11460         <avx512>_cvt<ssemodesuffix>2mask<mode>,
11461         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11462         *<avx512>_cvtmask2<ssemodesuffix><mode>,
11463         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11464         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
11465         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11466         <avx512>_gt<mode>3<mask_scalar_merge_name>,
11467         <avx512>_testm<mode>3<mask_scalar_merge_name>,
11468         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
11469         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
11470         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
11471         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
11472         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
11473         avx512cd_maskb_vec_dup<mode>,
11474         avx512cd_maskw_vec_dup<mode>,
11475         avx512dq_fpclass<mode><mask_scalar_merge_name>,
11476         avx512dq_vmfpclass<mode>,
11477         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
11478         instead of =Yk.
11479
11480 2019-01-03  Martin Sebor  <msebor@redhat.com>
11481
11482         PR tree-optimization/88659
11483         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
11484
11485 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
11486
11487         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
11488         unaligned vsx and avoid lxvd2x/stxvd2x.
11489         (gen_lvx_v4si_move): New function.
11490
11491 2019-01-03  Tom de Vries  <tdevries@suse.de>
11492
11493         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
11494         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
11495         function.
11496         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
11497
11498 2019-01-03  Tom de Vries  <tdevries@suse.de>
11499
11500         * config/nvptx/nvptx.c (struct offload_attrs): New.
11501         (populate_offload_attrs): New function.  Factor mask extraction out of
11502         nvptx_reorg.  Add extraction of dimensions.
11503         (nvptx_reorg): Use populate_offload_attrs.
11504
11505 2019-01-03  Tom de Vries  <tdevries@suse.de>
11506
11507         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
11508         cases for oacc_min_dims_p and routine_p.  Add asserts for
11509         oacc_default_dims_p and offload_region_p.
11510
11511 2019-01-03  Tom de Vries  <tdevries@suse.de>
11512
11513         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
11514         factored out of ...
11515         (nvptx_goacc_validate_dims): ... here.
11516
11517 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11518
11519         PR tree-optimization/85574
11520         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
11521         structure.
11522         (struct ssa_equip_hash_traits): Declare.
11523         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
11524
11525 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
11526
11527         PR debug/88644
11528         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
11529         change it to qualified_type.
11530
11531 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
11532
11533         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
11534         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
11535
11536 2019-01-02  Martin Sebor  <msebor@redhat.com>
11537             Jeff Law  <law@redhat.com>
11538
11539         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
11540         (get_range_strlen_tree): Update appropriately.
11541         (get_range_strlen)
11542         * gimple-fold.h (get_range_strlen): Drop unused last argument.
11543
11544         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
11545         rather than set_range_info.
11546         * tree-ssa-strlen.c (set_strlen_range): Extracted from
11547         maybe_set_strlen_range.  Handle potentially boundary crossing
11548         cases more conservatively.
11549         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
11550         Call set_strlen_range.
11551         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
11552
11553         PR middle-end/88663
11554         * gimple-fold.c (get_range_strlen): Update prototype to no longer
11555         need the flexp argument.
11556         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
11557         from calls to get_range_strlen.  Update comments.  Just update
11558         VAL for an unterminated const char array and let the reset of the
11559         code handle it normally.  No longer try to set *flexp.  Adjust
11560         return value.
11561         (get_range_strlen): Update for the new get_range_strlen API.
11562         (get_maxval_strlen): Similarly.
11563         (gimple_fold_builtin_strlen): Handle update meaning of return value
11564         from get_range_strlen.
11565         * gimple-ssa-sprintf.c (get_string_length): Update for the new
11566         get_range_strlen API.
11567
11568 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
11569
11570         PR lto/88130
11571         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
11572         false at WPA time when body was removed.
11573
11574 2019-01-02  Martin Liska  <mliska@suse.cz>
11575
11576         PR tree-optimization/88650
11577         * predict.c (set_even_probabilities): Calculate probability
11578         remainer only when really used.
11579
11580 2019-01-02  Richard Biener  <rguenther@suse.de>
11581
11582         PR middle-end/88651
11583         * tree-data-ref.c (analyze_subscript_affine_affine): Use
11584         widest_ints when mangling max_stmt_execution results.
11585
11586 2019-01-02  Richard Biener  <rguenther@suse.de>
11587
11588         PR tree-optimization/88621
11589         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
11590         bitfields when canoncalizing.
11591
11592 2019-01-02  Richard Biener  <rguenther@suse.de>
11593
11594         PR target/87545
11595         * config/i386/x86-tune-costs.h (intel_cost): Adjust
11596         cost of cheap SSE instruction.
11597
11598 2019-01-02  Richard Biener  <rguenther@suse.de>
11599
11600         PR ipa/85574
11601         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
11602         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
11603         function.
11604         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
11605         set after UIDs before splitting them.
11606
11607 2019-01-01  Martin Sebor  <msebor@redhat.com>
11608             Jeff Law  <law@redhat.com>
11609
11610         * gimple-fold.c (get_range_strlen_tree): Record if the computed
11611         length is optimistic.  If it is, then arrange to compute the
11612         conservative length as well.
11613
11614         * gimple-fold.h (get_range_strlen): Update prototype.
11615         * builtins.c (check_access): Update call to get_range_strlen to use
11616         c_strlen_data pointer.   Change various variable accesses to instead
11617         pull data from the c_strlen_data structure.
11618         (check_strncat_sizes, expand_builtin_strncat): Likewise.
11619         * calls.c (maybe_warn_nonstring_arg): Likewise.
11620         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
11621         minimum length if maximum lengh is unknown.
11622         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
11623         that used c_strlen, it's no longer needed.  Restructure slightly.
11624         (format_string): Set unlikely range appropriately.
11625         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
11626         formatting issues.
11627         (get_range_strlen):  Accept c_strlen_data pointer for external
11628         call sites as well.  Pass through to call to internal get_range_strlen.
11629         Adjust minlen, maxlen and maxbound as needed.
11630         (get_maxval_strlen): Update comments.
11631         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
11632         to use c_strlen_data pointer.  Change variable accesses to instead
11633         use c_strlen_data data members.
11634
11635         * gimple-fold.c (get_range_strlen): Update prototype.
11636         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
11637         local variables.  Use pdata to return information to caller.
11638         Update calls to get_range_strlen.  Update pdata->maxbound.
11639         (get_range_strlen -- static version): Similarly.
11640         (get_range_strlen -- extern version): Update for internal
11641         get_range_strlen API change.  Convert to external data format.
11642         (get_maxval_strlen): Similarly.
11643
11644 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
11645
11646         * coverage.c (get_coverage_counts): Use current_function_decl.
11647         * profile.c (read_thunk_profile): New function.
11648         (branch_prob): Add THUNK parameter.
11649         * tree-profile.c (tree_profiling): Handle thunks.
11650         * value-prof.c (init_node_map): Handle thunks.
11651         * value-prof.h (branch_prob): Upate prototype.
11652         (read_thunk_profile): Declare.
11653
11654 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
11655
11656         Update copyright years.
11657
11658         * gcc.c (process_command): Update copyright notice dates.
11659         * gcov-dump.c (print_version): Ditto.
11660         * gcov.c (print_version): Ditto.
11661         * gcov-tool.c (print_version): Ditto.
11662         * gengtype.c (create_file): Ditto.
11663         * doc/cpp.texi: Bump @copying's copyright year.
11664         * doc/cppinternals.texi: Ditto.
11665         * doc/gcc.texi: Ditto.
11666         * doc/gccint.texi: Ditto.
11667         * doc/gcov.texi: Ditto.
11668         * doc/install.texi: Ditto.
11669         * doc/invoke.texi: Ditto.
11670 \f
11671 Copyright (C) 2019 Free Software Foundation, Inc.
11672
11673 Copying and distribution of this file, with or without modification,
11674 are permitted in any medium without royalty provided the copyright
11675 notice and this notice are preserved.