gcc/ChangeLog

   1 2019-05-23  Martin Liska  <mliska@suse.cz>
   2
   3         PR sanitizer/90570
   4         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
   5         expression similarly to gimplify_decl_expr.
   6
   7 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
   8
   9         * cse.c (cse_dump_path): s/dump_file/f.
  10
  11 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
  12
  13         PR c++/90462
  14         * diagnostic-format-json.cc: Include "selftest.h".
  15         (json_from_expanded_location): Only add "file" key for non-NULL
  16         file strings.
  17         (json_from_location_range): Don't add "start" and "finish"
  18         children if they are UNKNOWN_LOCATION.
  19         (selftest::test_unknown_location): New selftest.
  20         (selftest::test_bad_endpoints): New selftest.
  21         (selftest::diagnostic_format_json_cc_tests): New function.
  22         * json.cc (json::object::get): New function.
  23         (selftest::test_object_get): New selftest.
  24         (selftest::json_cc_tests): Call it.
  25         * json.h (json::object::get): New decl.
  26         * selftest-run-tests.c (selftest::run_tests): Call
  27         selftest::diagnostic_format_json_cc_tests.
  28         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
  29         decl.
  30
  31 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
  32             Andrew Stubbs  <amd@codesourcery.com>
  33
  34         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
  35         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
  36         (kernel): Rename to...
  37         (main_kernel): ... this.
  38         (load_image): Load _init_array and _fini_array kernels.
  39         (run): Add argument for kernel to run.
  40         (main): Run init_array_kernel before main_kernel, and
  41         fini_array_kernel after.
  42         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
  43         amdgpu_hsa_kernel attribute on functions.
  44         (gcn_disable_constructors): Delete.
  45         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
  46         * config/gcn/crt0.c (size_t): Define.
  47         (_init_array, _fini_array): New.
  48         (__preinit_array_start, __preinit_array_end,
  49         __init_array_start, __init_array_end,
  50         __fini_array_start, __fini_array_end): Declare weak references.
  51
  52 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
  53
  54         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
  55
  56 2019-05-22  Jason Merrill  <jason@redhat.com>
  57
  58         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
  59
  60 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
  61
  62         PR target/88483
  63         * config/i386/i386-options.c (ix86_init_machine_status): Set
  64         stack_frame_required to true.
  65         * config/i386/i386.c (ix86_get_frame_size): New function.
  66         (ix86_frame_pointer_required): Replace get_frame_size with
  67         ix86_get_frame_size.
  68         (ix86_compute_frame_layout): Likewise.
  69         (ix86_find_max_used_stack_alignment): Changed to void.  Set
  70         stack_frame_required.
  71         (ix86_finalize_stack_frame_flags): Always call
  72         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
  73         ix86_get_frame_size.
  74         * config/i386/i386.h (machine_function): Add stack_frame_required.
  75
  76 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
  77
  78         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
  79
  80 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
  81
  82         * common/config/aarch64/aarch64-common.c
  83         (struct aarch64_option_extension, struct processor_name_to_arch,
  84         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
  85         aarch64_contains_opt,
  86         aarch64_get_extension_string_for_isa_flags): Change type of
  87         variables storing flags to uint64_t.
  88         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
  89         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
  90         * config/aarch64/aarch64.c (struct processor,
  91         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
  92         aarch64_validate_march, aarch64_override_options,
  93         aarch64_option_print, aarch64_handle_attr_isa_flags,
  94         aarch64_declare_function_name, aarch64_start_file): Make flag
  95         variables uint64_t.
  96         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
  97         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
  98         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
  99         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 100         * config/aarch64/driver-aarch64.c
 101         (struct aarch64_arch_extension, struct aarch64_core_data,
 102         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 103         flag variables uint64_t.
 104         * doc/invoke.texi: Add documentation for new arguments.
 105
 106 2019-05-22  Richard Biener  <rguenther@suse.de>
 107
 108         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 109         rewrite ...
 110         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 111
 112 2019-05-22  Martin Liska  <mliska@suse.cz>
 113
 114         PR lto/90500
 115         * doc/extend.texi: Document the change.
 116
 117 2019-05-22  Richard Biener  <rguenther@suse.de>
 118
 119         PR tree-optimization/90450
 120         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 121         (mem_ref_hasher::equal): Check it.
 122         (mem_ref_alloc): Initialize it.
 123         (gather_mem_refs_stmt): Set it.
 124
 125 2019-05-22  Richard Biener  <rguenther@suse.de>
 126
 127         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 128         Add ABS_EXPR.
 129         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 130         as ABSU_EXPR.
 131
 132 2019-05-22  Alan Modra  <amodra@gmail.com>
 133
 134         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 135         (ASM_CPU_SPEC): Conditionally add -many.
 136         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 137         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 138         (rs6000_file_start): ..extracted from here, and modified to
 139         test all ISA bits.
 140         (rs6000_output_function_prologue): Emit .machine as necessary.
 141         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 142         power mnemonics.
 143         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 144         added by check_vect_support_and_set_flags.
 145         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 146         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 147
 148 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 149
 150         PR middle-end/90553
 151         * ira-lives.c (process_bb_node_lives): Consider defs
 152         for a call insn to be die before the call, not after.
 153
 154         * function.c (assign_parm_setup_block): Raise alignment of
 155         stacked parameter only for STRICT_ALIGNMENT targets.
 156
 157 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 158
 159         * config/rs6000/constraints.md (define_register_constraint "wz"):
 160         Delete.
 161         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 162         RS6000_CONSTRAINT_wz.
 163         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 164         (rs6000_init_hard_regno_mode_ok): Adjust.
 165         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 166         * doc/md.texi (Machine Constraints): Adjust.
 167
 168 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 169
 170         * config/rs6000/constraints.md (define_register_constraint "wl"):
 171         Delete.
 172         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 173         RS6000_CONSTRAINT_wl.
 174         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 175         (rs6000_init_hard_regno_mode_ok): Adjust.
 176         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 177         * doc/md.texi (Machine Constraints): Adjust.
 178
 179 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 180
 181         * config/rs6000/constraints.md (define_register_constraint "wm"):
 182         Delete.
 183         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 184         RS6000_CONSTRAINT_wm.
 185         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 186         (rs6000_init_hard_regno_mode_ok): Adjust.
 187         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 188         * doc/md.texi (Machine Constraints): Adjust.
 189
 190 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 191
 192         * config/rs6000/constraints.md (define_register_constraint "wk"):
 193         Delete.
 194         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 195         RS6000_CONSTRAINT_wk.
 196         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 197         (rs6000_init_hard_regno_mode_ok): Adjust.
 198         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 199         * doc/md.texi (Machine Constraints): Adjust.
 200
 201 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 202
 203         * config/rs6000/constraints.md (define_register_constraint "wj"):
 204         Delete.
 205         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 206         RS6000_CONSTRAINT_wj.
 207         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 208         (rs6000_init_hard_regno_mode_ok): Adjust.
 209         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 210         (VS_64dm): Delete.
 211         * config/rs6000/vsx.md: Ditto.
 212         * doc/md.texi (Machine Constraints): Adjust.
 213
 214 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 215
 216         * config/rs6000/constraints.md (define_register_constraint "wh"):
 217         Delete.
 218         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 219         RS6000_CONSTRAINT_wh.
 220         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 221         (rs6000_init_hard_regno_mode_ok): Adjust.
 222         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 223         * doc/md.texi (Machine Constraints): Adjust.
 224
 225 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 226
 227         PR target/90547
 228         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 229         Avoid calling gen_lowpart with CONST operand.
 230
 231 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 232
 233         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 234         field template_last_to_copy.
 235         (ssa_create_duplicates): Set it, and use it.  Attempt to
 236         preserve more debug stmts.
 237
 238 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 239
 240         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 241         (signbit<mode>2): New expander
 242
 243 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 244
 245         PR bootstrap/87338
 246         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 247         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 248
 249 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 250
 251         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 252         %ebx and %ecx bafore calling cpuid with leaf 1 or
 253         non-constant leaf argument.
 254
 255 2019-05-21  Alan Modra  <amodra@gmail.com>
 256
 257         PR target/90545
 258         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 259         power9 direct move cost.
 260         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 261         Correct comments and rename functions to suit parameters.
 262
 263 2019-05-21  Richard Biener  <rguenther@suse.de>
 264
 265         PR middle-end/90510
 266         * fold-const.c (fold_read_from_vector): New function.
 267         * fold-const.h (fold_read_from_vector): Declare.
 268         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 269         single-element insert permutations.  Canonicalize selector
 270         further and fix issue with last commit.
 271
 272 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 273
 274         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 275         parameter with default value false to declaration.
 276         (split_edges_for_insertion): New inline function.  Wrapper for
 277         split_critical_edges with for_edge_insertion_p = true.
 278         * tree-cfg.c (split_critical_edges): Don't split non-critical
 279         edges if for_edge_insertion_p is false.  Fix whitespace.
 280         * tree-ssa-pre.c (pass_pre::execute): Call
 281         split_edges_for_insertion instead of split_critical_edges.
 282         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 283         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 284         (pass_data_sink_code): Update function name in the comment.
 285
 286 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 287
 288         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 289         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 290         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 291         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 292         positives.
 293
 294 2019-05-21  Martin Liska  <mliska@suse.cz>
 295
 296         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 297         an extra newline.
 298         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 299         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 300         vec_lvsr.
 301         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 302         Quote a C type.
 303         (rs6000_function_arg): Likewise.
 304         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 305         (rs6000_expand_ternop_builtin): Use interval syntax.
 306         (get_element_number): Likewise.
 307         (altivec_expand_builtin): Likewise.
 308         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 309
 310 Fix test-suite.
 311
 312 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 313
 314         PR c++/59813
 315         PR target/90418
 316         * function.h (struct function): Add calls_eh_return member.
 317         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 318         gimplifying __builtin_eh_return call.
 319         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 320         to cfun.
 321         (expand_call_inline): Or in src_cfun->calls_eh_return into
 322         dst_cfun->calls_eh_return.
 323         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 324         cfun->calls_eh_return.
 325         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 326         * lto-streamer-out.c (output_struct_function_base): Write
 327         calls_eh_return.
 328
 329 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 330
 331         PR rtl-optimization/43147
 332         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 333         IX86_BUILTIN_SHUFPD.
 334
 335 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 336
 337         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 338         (refs_may_alias_p_1): ... here; update stats.
 339         (refs_may_alias_p): Do not update stats here.
 340
 341 2019-05-20  Richard Biener  <rguenther@suse.de>
 342
 343         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 344         doesn't produce pointers.
 345         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 346         the first operand points to.
 347
 348 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 349
 350         * tree-ssa-alias.c (compare_sizes): New function.
 351         (sompare_type_sizes): New function
 352         (aliasing_component_refs_p): Use it.
 353         (indirect_ref_may_alias_decl_p): Likewise.
 354
 355 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 356
 357         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 358
 359 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 360
 361         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 362         (LIBLSAN_EARLY_SPEC): Likewise.
 363         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 364
 365 2019-05-20  Martin Liska  <mliska@suse.cz>
 366
 367         * config/i386/i386.c (ix86_libc_has_fast_function):
 368         Add ATTRIBUTE_UNUSED for the argument.
 369
 370 2019-05-20  Richard Biener  <rguenther@suse.de>
 371
 372         * gimple-match-head.c: Include vec-perm-indices.h.
 373         * generic-match-head.c: Likewise.
 374         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 375         is included.
 376         * fold-const.c (fold_vec_perm): Export.
 377         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 378         (match.pd): ...here.
 379
 380 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 381
 382         * cfgloop.h (struct loop): Add simdlen member.
 383         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 384         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 385         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 386         as new argument to autovectorize_vector_sizes target hook.  If
 387         loop->simdlen, pick up vector size where the vectorization factor
 388         is equal to loop->simd, and if there is none, fall back to the first
 389         successful one.
 390         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 391         caller.
 392         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 393         * omp-general.c (omp_max_vf): Likewise.
 394         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 395         * tree-vect-slp.c (vect_slp_bb): Likewise.
 396         * target.def (autovectorize_vector_sizes): Add ALL argument and
 397         document it.
 398         * doc/tm.texi: Adjust documentation.
 399         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 400         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 401         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 402         bool argument.
 403         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 404         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 405         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 406         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 407         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 408         preferred vector size is not 512-bit or 256-bit, just put those
 409         unpreferred ones last.
 410
 411 2019-05-20  Martin Liska  <mliska@suse.cz>
 412
 413         * targhooks.c (default_libc_has_fast_function): New function.
 414         * targhooks.h (default_libc_has_fast_function): Likewise.
 415
 416 2019-05-20  Martin Liska  <mliska@suse.cz>
 417
 418         PR middle-end/90263
 419         * builtins.c (expand_builtin_memory_copy_args): When having a
 420         target with fast mempcpy implementation do now use memcpy.
 421         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 422         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 423         * doc/tm.texi: Likewise.
 424         * doc/tm.texi.in: Likewise.
 425         * target.def:
 426         * expr.c (emit_block_move_hints): Add 2 new arguments.
 427         * expr.h (emit_block_move_hints): Bail out when libcall
 428         to memcpy would be used.
 429
 430 2019-05-20  Martin Liska  <mliska@suse.cz>
 431
 432         * profile-count.c: Add vertical spacing in order
 433         to separate functions.
 434         * profile-count.h: Likewise.
 435
 436 2019-05-20  Martin Liska  <mliska@suse.cz>
 437
 438         * profile-count.h: Do not use full qualified
 439         names if possible.
 440         * profile-count.c (profile_count::to_frequency): Likewise.
 441
 442 2019-05-20  Martin Liska  <mliska@suse.cz>
 443
 444         * profile-count.h (enum profile_quality): Use capital letters
 445         for enum value names.  Use the adjusted names.
 446         * profile-count.c: Use the adjusted names.
 447
 448 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 449
 450         * config/rs6000/constraints.md (define_register_constraint "wH"):
 451         Delete.
 452         (define_register_constraint "wI"): Delete.
 453         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 454         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 455         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 456         (rs6000_init_hard_regno_mode_ok): Adjust.
 457         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 458         resp. "d", or with "wa" as appropriate, all with "p8v".
 459         * config/rs6000/vsx.md: Ditto.
 460         * doc/md.texi (Machine Constraints): Adjust.
 461
 462 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 463
 464         * config/rs6000/constraints.md (define_register_constraint "wy"):
 465         Delete.
 466         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 467         RS6000_CONSTRAINT_wy.
 468         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 469         (rs6000_init_hard_regno_mode_ok): Adjust.
 470         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 471         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 472         (define_mode_attr Fisa): New.
 473         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 474         * doc/md.texi (Machine Constraints): Adjust.
 475
 476 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 477
 478         * config/rs6000/constraints.md (define_register_constraint "wu"):
 479         Delete.
 480         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 481         RS6000_CONSTRAINT_wu.
 482         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 483         (rs6000_init_hard_regno_mode_ok): Adjust.
 484         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 485         both with "p8v".
 486         (define_mode_attr Fa): Delete.
 487         * config/rs6000/vsx.md: Ditto.
 488         * doc/md.texi (Machine Constraints): Adjust.
 489
 490 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 491
 492         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 493         Delete.
 494         (define_register_constraint "wK"): Delete.
 495         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 496         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 497         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 498         (rs6000_init_hard_regno_mode_ok): Adjust.
 499         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 500         Replace "wK" constraint by "wH" with "p9v".
 501         * config/rs6000/vsx.md: Ditto.
 502         * doc/md.texi (Machine Constraints): Adjust.
 503
 504 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 505
 506         * config/rs6000/constraints.md (define_register_constraint "wb"):
 507         Delete.
 508         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 509         RS6000_CONSTRAINT_wb.
 510         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 511         (rs6000_init_hard_regno_mode_ok): Adjust.
 512         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 513         * config/rs6000/vsx.md: Ditto.
 514         * doc/md.texi (Machine Constraints): Adjust.
 515
 516 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 517
 518         * config/rs6000/constraints.md (define_register_constraint "wo"):
 519         Delete.
 520         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 521         RS6000_CONSTRAINT_wo.
 522         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 523         (rs6000_init_hard_regno_mode_ok): Adjust.
 524         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 525         * config/rs6000/altivec.md: Ditto.
 526         * doc/md.texi (Machine Constraints): Adjust.
 527
 528 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 529
 530         * config/darwin-c.c (darwin_register_objc_includes): Do not
 531         prepend the sysroot when building gnu-runtime header search
 532         paths.
 533
 534 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 535
 536         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 537         instead of direct output of the asm.
 538
 539 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 540
 541         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 542         argument to be type bool (was int before).
 543         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 544         at first use.  Use type bool for some variables.  Fix a theoretical
 545         eh_return bug for svr4.
 546
 547 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 548
 549         * config/rs6000/rs6000.md (isa): New attribute.
 550         (enabled): New attribute.
 551
 552 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 553
 554         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 555         assemble_start_function and assemble_end_function.
 556
 557 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 558
 559         PR middle-end/89433
 560         * omp-general.c (oacc_verify_routine_clauses): Change formal
 561         parameters.  Add checking if already marked with an OpenACC
 562         'routine' directive.  Adjust all users.
 563
 564         PR middle-end/89433
 565         * omp-general.c (oacc_build_routine_dims): Move some of its
 566         processing into...
 567         (oacc_verify_routine_clauses): ... this new function.
 568         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 569
 570 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 571
 572         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 573         formating of picbase labels to match other ports.
 574
 575 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 576
 577         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 578         in the generated code.
 579
 580 2019-05-16  Martin Sebor  <msebor@redhat.com>
 581
 582         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 583         identifiers, keywords, operators, and types in diagnostics.  Correct
 584         quoting, spelling, and sentence capitalization issues.
 585         (expand_builtin_atomic_is_lock_free): Same.
 586         (fold_builtin_next_arg): Same.
 587         * cfgexpand.c (expand_one_var): Same.
 588         (tree_conflicts_with_clobbers_p): Same.
 589         (expand_asm_stmt): Same.
 590         (verify_loop_structure): Same.
 591         * cgraphunit.c (process_function_and_variable_attributes): Same.
 592         * collect-utils.c (collect_execute): Same.
 593         * collect2.c (maybe_run_lto_and_relink): Same.
 594         (is_lto_object_file): Same.
 595         (scan_prog_file): Same.
 596         * convert.c (convert_to_real_1): Same.
 597         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 598         * except.c (verify_eh_tree): Same.
 599         * gcc.c (execute): Same.
 600         (eval_spec_function): Same.
 601         (run_attempt): Same.
 602         (driver::set_up_specs): Same.
 603         (compare_debug_auxbase_opt_spec_function): Same.
 604         * gcov-tool.c (unlink_gcda_file): Same.
 605         (do_merge): Same.
 606         (do_rewrite): Same.
 607         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 608         * gimplify.c (gimplify_asm_expr): Same.
 609         (gimplify_adjust_omp_clauses): Same.
 610         * hsa-gen.c (gen_hsa_addr_insns): Same.
 611         (gen_hsa_insns_for_load): Same.
 612         (gen_hsa_cmp_insn_from_gimple): Same.
 613         (gen_hsa_insns_for_operation_assignment): Same.
 614         (gen_get_level): Same.
 615         (gen_hsa_alloca): Same.
 616         (omp_simple_builtin::generate): Same.
 617         (gen_hsa_atomic_for_builtin): Same.
 618         (gen_hsa_insns_for_call): Same.
 619         * input.c (dump_location_info): Same.
 620         * ipa-devirt.c (compare_virtual_tables): Same.
 621         * ira.c (ira_setup_eliminable_regset): Same.
 622         * lra-assigns.c (lra_assign): Same.
 623         * lra-constraints.c (lra_constraints): Same.
 624         * lto-streamer-in.c (lto_input_mode_table): Same.
 625         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 626         (merge_and_complain): Same.
 627         (compile_offload_image): Same.
 628         (compile_images_for_offload_targets): Same.
 629         (debug_objcopy): Same.
 630         (run_gcc): Same.
 631         (main): Same.
 632         * opts.c (print_specific_help): Same.
 633         (parse_no_sanitize_attribute): Same.
 634         (print_help): Same.
 635         (handle_param): Same.
 636         * plugin.c (add_new_plugin): Same.
 637         (parse_plugin_arg_opt): Same.
 638         (try_init_one_plugin): Same.
 639         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 640         operators, and types in diagnostics.  Correct quoting and spelling
 641         issues.
 642         * read-rtl-function.c (parse_edge_flag_token): Same.
 643         (function_reader::parse_enum_value): Same.
 644         * reg-stack.c (check_asm_stack_operands): Same.
 645         * regcprop.c (validate_value_data): Same.
 646         * sched-rgn.c (make_pass_sched_fusion): Same.
 647         * stmt.c (check_unique_operand_names): Same.
 648         * targhooks.c (default_target_option_pragma_parse): Same.
 649         * tlink.c (recompile_files): Same.
 650         * toplev.c (process_options): Same.
 651         (do_compile): Same.
 652         * trans-mem.c (diagnose_tm_1): Same.
 653         (ipa_tm_scan_irr_block): Same.
 654         (ipa_tm_diagnose_transaction): Same.
 655         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 656         format a tree code name in a diagnostic.
 657         (verify_types_in_gimple_min_lval): Same.
 658         (verify_types_in_gimple_reference): Same.
 659         (verify_gimple_call): Same.
 660         (verify_gimple_assign_unary): Same.
 661         (verify_gimple_assign_binary): Same.
 662         (verify_gimple_assign_ternary): Same.
 663         (verify_gimple_assign_single): Same.
 664         (verify_gimple_switch): Same.
 665         (verify_gimple_label): Same.
 666         (verify_gimple_phi): Same.
 667         (verify_gimple_in_seq): Same.
 668         (verify_eh_throw_stmt_node): Same.
 669         (collect_subblocks): Same.
 670         (gimple_verify_flow_info): Same.
 671         (do_warn_unused_result): Same.
 672         * tree-inline.c (expand_call_inline): Same.
 673         * tree-into-ssa.c (update_ssa): Same.
 674         * tree.c (tree_int_cst_elt_check_failed): Same.
 675         (tree_vec_elt_check_failed): Same.
 676         (omp_clause_operand_check_failed): Same.
 677         (verify_type_variant): Same.
 678         (verify_type): Same.
 679         * value-prof.c (verify_histograms): Same.
 680         * varasm.c (assemble_start_function): Same.
 681
 682 2019-05-16  Martin Sebor  <msebor@redhat.com>
 683
 684         * config/i386/i386-expand.c (get_element_number): Quote keywords
 685         and other internal names in diagnostics.  Adjust other diagnostic
 686         formatting issues noted by -Wformat-diag.
 687         * config/i386/i386-features.c
 688         (ix86_mangle_function_version_assembler_name): Same.
 689         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 690         * config/i386/i386.c (ix86_function_type_abi): Same.
 691         (ix86_function_ms_hook_prologue): Same.
 692         (classify_argument): Same.
 693         (ix86_expand_prologue): Same.
 694         (ix86_md_asm_adjust): Same.
 695         (ix86_memmodel_check): Same.
 696
 697 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 698
 699         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 700         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 701         and fpxx modes.
 702
 703 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 704
 705         PR target/90497
 706         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 707         intrinsics without SSE/SSE2/SSSE3.
 708         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 709         check.
 710         (*mmx_uavgv8qi3): Likewise.
 711
 712 2019-05-17  Richard Biener  <rguenther@suse.de>
 713
 714         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 715         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 716
 717 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 718
 719         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 720         vec_sldw insn pattern.
 721
 722 2019-05-17  Richard Biener  <rguenther@suse.de>
 723
 724         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 725
 726 2019-05-17  Martin Liska  <mliska@suse.cz>
 727
 728         PR driver/90496
 729         * toplev.c (output_stack_usage): With LTO and sanitizer it
 730         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 731         has no file location.
 732
 733 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 734
 735         PR c++/90484
 736         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 737         sz0 is equal to sz1, instead return false in that case.
 738
 739         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 740         has non-constant expression, force sctx.lane and use two
 741         argument IFN_GOMP_SIMD_LANE instead of single argument.
 742         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 743         two argument IFN_GOMP_SIMD_LANE without lhs.
 744         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 745         member.
 746         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 747         Define.
 748         (LOOP_REQUIRES_VERSIONING): Or in
 749         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 750         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 751         simd_if_cond.
 752         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 753         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 754         from simd if clause if needed.
 755
 756 2019-05-16  Richard Biener  <rguenther@suse.de>
 757
 758         * tree-affine.c (expr_to_aff_combination): New function split
 759         out from...
 760         (tree_to_aff_combination): ... here.
 761         (aff_combination_expand): Avoid building a GENERIC tree.
 762
 763 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 764
 765         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 766         assemble_start_function and assemble_end_function calls.
 767         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 768         assemble_start_function and assemble_end_function.
 769         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 770         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 771         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 772         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 773         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 774         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 775         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 776         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 777         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 778         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 779         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 780         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 781         Likewise.
 782         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 783         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 784         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 785         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 786         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 787         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 788         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 789         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 790         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 791         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 792         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 793         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 794         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 795         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 796         Likewise.
 797         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 798         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 799         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 800
 801 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 802
 803         * tree-ssa-alias.c (alias_stats): Add
 804         aliasing_component_refs_p_may_alias and
 805         aliasing_component_refs_p_no_alias.
 806         (dump_alias_stats): Print aliasing_component_refs_p stats.
 807         (aliasing_component_refs_p): Update stats.
 808
 809 2019-05-16  Martin Liska  <mliska@suse.cz>
 810
 811         PR lto/90500
 812         * multiple_target.c (expand_target_clones): Do not allow
 813         target_clones being used with a symbol that is an alias.
 814
 815 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 816
 817         PR tree-optimization/90394
 818         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 819         positives rather than ICE for cases where (code2 == NE_EXPR
 820         && code1 == BIT_AND_EXPR).
 821
 822 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 823
 824         PR fortran/90329
 825         * tree-core.h (struct tree_decl_common): Document
 826         decl_nonshareable_flag for PARM_DECLs.
 827         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 828         * calls.c (expand_call): Don't try tail call if caller
 829         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 830         passed on the stack and callee needs to pass any arguments on the
 831         stack.
 832         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 833         else if instead of series of mutually exclusive ifs.  Handle
 834         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 835         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 836
 837         * lto-streamer.h (LTO_major_version): Bump to 9.
 838
 839 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 840
 841         PR tree-optimization/90106
 842         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 843         new parameter as new internal function call, also move it to new
 844         basic block.
 845         (use_internal_fn): Pass internal function call to
 846         shrink_wrap_one_built_in_call_with_conds.
 847
 848 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 849
 850         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 851         max_vf to 1.
 852         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 853         safelen_int and set loop->dont_vectorize.
 854
 855 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 856
 857         PR target/89021
 858         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 859         SSE/SSE2/SSSE3.
 860         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 861         Likewise.
 862         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 863         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 864         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 865         is defined.
 866
 867 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 868
 869         PR target/89021
 870         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 871         define_insn_and_split to support SSE emulation.
 872         (*vec_extractv2sf_0): Likewise.
 873         (*vec_extractv2sf_1): Likewise.
 874         (*vec_extractv2si_0): Likewise.
 875         (*vec_extractv2si_1): Likewise.
 876         (*vec_extractv2si_zext_mem): Likewise.
 877         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 878         (vec_extractv2sf_1 splitter): Likewise.
 879         (vec_extractv2sfsf): Likewise.
 880         (vec_setv2si): Likewise.
 881         (vec_extractv2si_1 splitter): Likewise.
 882         (vec_extractv2sisi): Likewise.
 883         (vec_setv4hi): Likewise.
 884         (vec_extractv4hihi): Likewise.
 885         (vec_setv8qi): Likewise.
 886         (vec_extractv8qiqi): Likewise.
 887         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 888         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 889         (vec_extractv2sisi): Likewise.
 890         (vec_extractv4hihi): Likewise.
 891         (vec_extractv8qiqi): Likewise.
 892         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 893         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 894         (vec_initv2sisi): Likewise.
 895         (vec_initv4hihi): Likewise.
 896         (vec_initv8qiqi): Likewise.
 897         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 898         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 899         (vec_setv4hi): Likewise.
 900         (vec_setv8qi): Likewise.
 901
 902 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 903
 904         PR target/89021
 905         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 906         TARGET_MMX_WITH_SSE.
 907         (MMXMODE:*mov<mode>_internal): Likewise.
 908         (MMXMODE:movmisalign<mode>): Likewise.
 909
 910 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 911
 912         PR target/89021
 913         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 914         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 915         (sse2_cvtpd2pi): Ditto.
 916         (sse2_cvttpd2pi): Ditto.
 917         (*vec_concatv2sf_sse4_1): Ditto.
 918         (*vec_concatv2sf_sse): Ditto.
 919         (*vec_concatv2si_sse4_1): Ditto.
 920         (*vec_concatv2si): Ditto.
 921         (*vec_concatv4si_0): Ditto.
 922         (*vec_concatv2di_0): Ditto.
 923
 924 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 925
 926         PR target/89021
 927         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 928
 929 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 930
 931         PR target/89021
 932         * config/i386/sse.md (ssse3_palignrdi): Changed to
 933         define_insn_and_split to support SSE emulation.
 934
 935 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 936
 937         PR target/89021
 938         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
 939
 940 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 941
 942         PR target/89021
 943         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
 944         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
 945         SSE emulation.
 946
 947 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 948
 949         PR target/89021
 950         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
 951         or TARGET_MMX_WITH_SSE.
 952         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
 953
 954 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 955
 956         PR target/89021
 957         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
 958
 959 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 960
 961         PR target/89021
 962         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
 963         Changed to define_insn_and_split to support SSE emulation.
 964
 965 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 966
 967         PR target/89021
 968         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
 969         Changed to define_insn_and_split to support SSE emulation.
 970
 971 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 972
 973         PR target/89021
 974         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
 975         (*mmx_<emms>): This.
 976         (mmx_<emms>): New expander.
 977
 978 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 979
 980         PR target/89021
 981         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
 982         support.
 983         (*sse2_umulv1siv1di3): Add SSE2 emulation.
 984
 985 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 986
 987         PR target/89021
 988         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
 989
 990 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 991
 992         PR target/89021
 993         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
 994
 995 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 996
 997         PR target/89021
 998         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
 999         TARGET_MMX_WITH_SSE.
1000         (*mmx_uavgv4hi3): Add SSE emulation.
1001
1002 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1003
1004         PR target/89021
1005         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1006         and TARGET_MMX_WITH_SSE.
1007         (*mmx_uavgv8qi3): Add SSE emulation.
1008
1009 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1010
1011         PR target/89021
1012         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1013         maskmovdqu for __MMX_WITH_SSE__.
1014
1015 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1016
1017         PR target/89021
1018         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1019         TARGET_MMX and TARGET_MMX_WITH_SSE.
1020         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1021
1022 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1023
1024         PR target/89021
1025         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1026         define_insn_and_split to support SSE emulation.
1027
1028 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1029
1030         PR target/89021
1031         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1032         and TARGET_MMX_WITH_SSE.
1033         (mmx_<code>v8qi3): Likewise.
1034         (smaxmin:<code>v4hi3): New.
1035         (umaxmin:<code>v8qi3): Likewise.
1036         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1037         (umaxmin:*mmx_<code>v8qi3): Likewise.
1038
1039 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1040
1041         PR target/89021
1042         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1043         TARGET_MMX_WITH_SSE.
1044         (*mmx_pinsrw): Add SSE emulation.
1045
1046 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1047
1048         PR target/89021
1049         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1050
1051 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1052
1053         PR target/89021
1054         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1055         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1056         SSE emulation.
1057
1058 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1059
1060         PR target/89021
1061         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1062         (sse_cvttps2pi): Likewise.
1063
1064 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1065
1066         PR target/89021
1067         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1068         TARGET_MMX_WITH_SSE.
1069         (mmx_pshufw_1): Add SSE emulation.
1070         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1071         TARGET_MMX_WITH_SSE to support SSE emulation.
1072
1073 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1074
1075         PR target/89021
1076         * config/i386/constraints.md (Yw): New constraint.
1077         * config/i386/mmx.md (*vec_dupv2si): Changed to
1078         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1079         support SSE emulation.
1080
1081 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1082
1083         PR target/89021
1084         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1085         TARGET_MMX_WITH_SSE.
1086         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1087         support.
1088         (mmx_gt<mode>3): Likewise.
1089
1090 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1091
1092         PR target/89021
1093         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1094         TARGET_MMX_WITH_SSE.  Add SSE support.
1095
1096 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1097
1098         PR target/89021
1099         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1100         TARGET_MMX_WITH_SSE.
1101         (any_logic:<code><mode>3): New.
1102         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1103         Add SSE support.
1104
1105 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1106
1107         PR target/89021
1108         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1109         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1110         (mmx_<shift_insn><mode>3): Likewise.
1111         (ashr<mode>3): New.
1112         (<shift_insn><mode>3): Likewise.
1113
1114 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1115
1116         PR target/89021
1117         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1118         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1119
1120 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1121
1122         PR target/89021
1123         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1124         TARGET_MMX_WITH_SSE.
1125         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1126         SSE support.
1127
1128 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1129
1130         PR target/89021
1131         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1132         TARGET_MMX_WITH_SSE.
1133         (mulv4hi3): New.
1134         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1135         support.
1136
1137 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1138
1139         PR target/89021
1140         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1141         (plusminus:mmx_<plusminus_insn><mode>3): Check
1142         TARGET_MMX_WITH_SSE.
1143         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1144         (<plusminus_insn><mode>3): New.
1145         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1146         (*mmx_<plusminus_insn><mode>3): Likewise.
1147
1148 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1149
1150         PR target/89021
1151         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1152         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1153         prototype.
1154         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1155         define_insn_and_split to support SSE emulation.
1156         (mmx_punpcklbw): Likewise.
1157         (mmx_punpckhwd): Likewise.
1158         (mmx_punpcklwd): Likewise.
1159         (mmx_punpckhdq): Likewise.
1160         (mmx_punpckldq): Likewise.
1161
1162 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1163             Uros Bizjak  <ubizjak@gmail.com>
1164
1165         PR target/89021
1166         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1167         New function.
1168         (ix86_split_mmx_pack): Likewise.
1169         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1170         New prototype.
1171         (ix86_split_mmx_pack): Likewise.
1172         * config/i386/i386.md (mmx_isa): New.
1173         (enabled): Also check mmx_isa.
1174         * config/i386/mmx.md (any_s_truncate): New code iterator.
1175         (s_trunsuffix): New code attr.
1176         (mmx_packsswb): Removed.
1177         (mmx_packssdw): Likewise.
1178         (mmx_packuswb): Likewise.
1179         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1180         MMX packsswb/packuswb with SSE2.
1181         (mmx_packssdw): Likewise.
1182         * config/i386/predicates.md (register_mmxmem_operand): New.
1183
1184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/89021
1187         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1188         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1189         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1190         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1191         (ix86_vector_mode_supported_p): Likewise.
1192         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1193
1194 2019-05-15  Martin Liska  <mliska@suse.cz>
1195
1196         PR middle-end/90478
1197         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1198         Check for overflow.
1199
1200 2019-05-15  Richard Biener  <rguenther@suse.de>
1201
1202         * tree-into-ssa.c (pass_build_ssa::execute): Run
1203         update_address_taken before going into SSA.
1204
1205 2019-05-15  Richard Biener  <rguenther@suse.de>
1206
1207         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1208         as __BIT_FIELD_REF with type with -gimple.
1209
1210 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1211
1212         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1213         semantically equivalent branches (left over after prior refactorings).
1214
1215 2019-05-15  Richard Biener  <rguenther@suse.de>
1216
1217         PR tree-optimization/88828
1218         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1219         bogus check.
1220
1221 2019-05-14  Richard Biener  <rguenther@suse.de>
1222
1223         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1224         as __VIEW_CONVERT with -gimple.
1225
1226 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1227
1228         PR target/82920
1229         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1230         Darwin.
1231
1232 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1233
1234         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1235         define_split to become a define_insn_and_split.
1236
1237 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1238
1239         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1240         arguments.
1241         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1242         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1243         (sibcall_epilogue): Adjust.
1244         (epilogue): Adjust.
1245
1246 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1247
1248         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1249         to unsupported ones.
1250         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1251         * config.host: Likewise.
1252         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1253         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1254         __svr4__]: Remove "brand" fallback.
1255         [!KSTAT_DATA_STRING]: Remove.
1256         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1257         to *-*-solaris2*.
1258         (comdat_group): Likewise.
1259         (set_have_as_tls): Likewise.
1260         (gcc_cv_target_dl_iterate_phdr): Likewise.
1261         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1262         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1263         * configure: Regenerate.
1264         * doc/install.texi: Simplify Solaris target triplets.
1265         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1266         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1267         Remove Solaris 10 references.
1268         Remove obsolete Solaris bug reference.
1269         (Specific, sparc-sun-solaris2.10): Remove.
1270
1271 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1272
1273         * config/i386/i386.md (any_div): New code iterator.
1274         (paired_mod): New code attribute.
1275         (sgnprefix): Handle DIV and UDIV RTXes.
1276         (u): Ditto.
1277         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1278         and udivmod<mode>4 patterns using any_div code iterator.
1279         (divmod splitters): Macroize splitters using any_div code iterator.
1280         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1281         (*udivmodsi4_pow2_zext_2): Ditto.
1282         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1283         and *udivmod<mode>4_noext patterns using any_div code iterator.
1284         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1285         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1286         patterns using any_div code iterator.
1287         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1288         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1289         patterns using any_div code iterator.
1290         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1291         udivmodhiqi3 patterns using any_extend code iterator.
1292
1293 2019-05-14  Richard Biener  <rguenther@suse.de>
1294             H.J. Lu  <hongjiu.lu@intel.com>
1295
1296         PR tree-optimization/88828
1297         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1298         permuting in a single non-constant element not extracted
1299         from a vector.
1300
1301 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1302
1303         * internal-fn.def (SIGNBIT): New.
1304         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1305         defined.
1306         (signbitv4sf2): Likewise.
1307
1308 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1309
1310         PR target/90357
1311         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1312         next insn when the SRC reg is dead.
1313
1314 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1315
1316         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1317         (alloc_cand_and_find_basis): Ditto.
1318         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1319         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1320         (create_add_imm_cand, slsr_process_cast): Ditto.
1321         (slsr_process_copy, replace_mult_candidate): Ditto.
1322         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1323         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1324         (pass_strength_reduction::execute): Init the first NULL element.
1325
1326 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1327
1328         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1329         (run_attempt): Reformat line break.
1330
1331 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1332
1333         PR target/90418
1334         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1335         data registers in sibcall epilogues.
1336         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1337
1338 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1339
1340         PR target/89221
1341         * configure.ac (--enable-frame-pointer):
1342         Disable by default for cygwin and mingw.
1343         * configure: Regenerate.
1344
1345 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1346
1347         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1348         piece of code.
1349         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1350         (gen_member_die): Move abstract origin check earlier.  Only VARs
1351         can be static_inline_p.  Simplify splicing control flow.
1352
1353 2019-05-13  Richard Biener  <rguenther@suse.de>
1354
1355         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1356         VIEW_CONVERT_EXPR.
1357         (vect_build_slp_tree_1): Likewise.
1358
1359 2019-05-13  Richard Biener  <rguenther@suse.de>
1360
1361         PR tree-optimization/90402
1362         * tree-if-conv.c (tree_if_conversion): Value number only
1363         the loop body by making the latch an exit of the region
1364         as well.
1365         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1366         processing PHIs.
1367         (do_rpo_vn): Deal with multiple edges into the entry block
1368         that are not backedges inside the region by skipping PHIs
1369         of the entry block.
1370
1371 2019-05-13  Richard Biener  <rguenther@suse.de>
1372
1373         PR tree-optimization/90316
1374         * tree-ssa-pre.c (insert_aux): Fold into ...
1375         (insert): ... this function.  Use a RPO walk to reduce the
1376         number of required iterations.
1377
1378 2019-05-13  Martin Liska  <mliska@suse.cz>
1379
1380         PR tree-optimization/90416
1381         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1382         string instead of passing the second part as va_arg argument.
1383
1384 2019-05-13  Martin Liska  <mliska@suse.cz>
1385
1386         PR gcov-profile/90380
1387         * gcov.c (handle_cycle): Do not support zero cycle count,
1388         it should not be possible.
1389         (path_contains_zero_cycle_arc): New function.
1390         (circuit): Ignore zero cycle arc counts.
1391
1392 2019-05-13  Martin Liska  <mliska@suse.cz>
1393
1394         PR gcov-profile/90380
1395         * gcov.c (enum loop_type): Remove the enum and
1396         the operator.
1397         (handle_cycle): Assert that we should not reach
1398         a negative count.
1399         (circuit): Use loop_found instead of a tri-state loop_type.
1400         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1401         happen.
1402
1403 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1404
1405         PR target/82920
1406         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1407         (ix86_output_indirect_branch_via_reg): Use output mechanism
1408         accounting for __USER_LABEL_PREFIX__.
1409         (ix86_output_indirect_branch_via_push): Likewise.
1410         (ix86_output_function_return): Likewise.
1411         (ix86_output_indirect_function_return): Likewise.
1412
1413 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1414
1415         * doc/md.texi: Document use of code attributes in rtx patterns.
1416         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1417         * read-rtl.c (find_code): Split out search loops into...
1418         (maybe_find_code): ...this new function.
1419         (check_code_iterator): Make the error message more informative.
1420         (check_code_attribute): New function.
1421         (rtx_reader::rtx_alloc_for_name): Likewise.
1422         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1423         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1424         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1425         <max_opp> directly as an rtx code instead of via a match_operator.
1426         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1427         (<su>abd<mode>_3): Update accordingly.
1428
1429 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1430
1431         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1432         is given, print the state of the EH "save world" computation for
1433         Darwin.
1434
1435 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR c++/59813
1438         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1439         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1440
1441 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1442
1443         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1444         Use pinsrd for TARGET_SSE4_1.
1445         * config/i386/sse.md (movdi_to_sse): Ditto.
1446
1447 2019-05-10  Richard Biener  <rguenther@suse.de>
1448
1449         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1450         (do_rpo_vn): Initialize next_value_id.
1451
1452 2019-05-10  Martin Liska  <mliska@suse.cz>
1453
1454         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1455         Fix plural form.
1456
1457 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR tree-optimization/90385
1460         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1461         arguments of the exit phis.
1462
1463         PR c++/90383
1464         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1465         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1466         id->do_not_fold.
1467         (copy_tree_body_r): Likewise.
1468         (copy_fn): Set id.do_not_fold to true.
1469
1470 2019-05-10  Martin Liska  <mliska@suse.cz>
1471
1472         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1473         Reapply changes from r269790.
1474
1475 2019-05-10  Martin Liska  <mliska@suse.cz>
1476
1477         PR middle-end/90340
1478         * doc/invoke.texi: New params.
1479         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1480         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1481         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1482         Use it.
1483         * tree-switch-conversion.h (struct jump_table_cluster):
1484         Likewise.
1485
1486 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1487
1488         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1489
1490 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1491
1492         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1493
1494 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1495
1496         PR rtl-optimization/88879
1497         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1498
1499 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1500
1501         PR target/90405
1502         * config/arm/arm.c (callee_saved_reg_p): Move before
1503         thumb_find_work_register.
1504         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1505         thumb_find_work_register.  Only call df_get_live_out once.
1506         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1507         (thumb_find_work_register): Use
1508         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1509         algorithms to locate a spare call clobbered reg.
1510
1511 2019-05-09  Martin Liska  <mliska@suse.cz>
1512
1513         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1514         and MAX_EXPR in GIMPLE FE format.
1515
1516 2019-05-09  Martin Liska  <mliska@suse.cz>
1517
1518         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1519         * gimple-pretty-print.c (dump_gimple_bb_header):
1520         Dump BB count.
1521         (pp_cfg_jump): Dump edge probability.
1522         * profile-count.c (profile_quality_as_string): Simplify
1523         with a static array.
1524         (parse_profile_quality): New function.
1525         (profile_count::dump): Simplify with a static array.
1526         (profile_count::from_gcov_type): Add new argument.
1527         * profile-count.h (parse_profile_quality): Likewise.
1528         * predict.h (set_hot_bb_threshold): New.
1529         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1530         New param.
1531         * predict.c (get_hot_bb_threshold): Set from the new param.
1532         (set_hot_bb_threshold): New.
1533
1534 2019-05-09  Richard Biener  <rguenther@suse.de>
1535
1536         PR tree-optimization/90395
1537         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1538         rewrite vector stores that throw internally.
1539
1540 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1541
1542         * cif-code.def (CHKP): Remove.
1543
1544         PR target/89221
1545         * configure.ac (--enable-frame-pointer): Disable by default for
1546         GNU systems.
1547         * configure: Regenerate.
1548
1549 2019-05-09  Alan Modra  <amodra@gmail.com>
1550
1551         PR target/89271
1552         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1553         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1554         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1555         cost for general <-> vsx when direct moves are available.
1556         Cost union classes at minimal cost for any reg in the class.
1557         Correct calculation for moves between vsx, float, and altivec.
1558         Don't return a low cost for moves between special regs.  Don't
1559         use hard coded register numbers.
1560         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1561         (rs6000_ira_change_pseudo_allocno_class): New function.
1562         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1563         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1564         alternatives.
1565         (movsi_internal1): Don't disparage vector alternatives.
1566         (mov<mode>_internal): Likewise, excepting alternative that
1567         will be split.
1568         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1569         we <- b alternative.
1570
1571 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1572
1573         PR c++/59813
1574         PR tree-optimization/89060
1575         * tree-ssa-live.h (live_vars_map): New typedef.
1576         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1577         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1578         (struct compute_live_vars_data): New type.
1579         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1580         live_vars_at_stmt, destroy_live_vars): New functions.
1581         * tree-tailcall.c: Include tree-ssa-live.h.
1582         (live_vars, live_vars_vec): New global variables.
1583         (find_tail_calls): Perform variable life analysis before punting.
1584         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1585         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1586         member.
1587         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1588         Perform variable life analysis to select variables that really need
1589         clobbers added.
1590         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1591         instead set id->eh_landing_pad_dest and assert it is the same.
1592         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1593
1594 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1595             Richard Earnshaw  <rearnsha@arm.com>
1596
1597         PR target/88167
1598         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1599         function.
1600         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1601         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1602         register if both the epilogue and prologue can use call-clobbered
1603         regs.
1604         (thumb1_unexpanded_epilogue): Use
1605         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1606         picking temporaries for restoring high regs to match that of the
1607         prologue where possible.
1608         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1609         the list of work registers.  Detect if the return address is still live
1610         at the end of the prologue and avoid using it for a work register if so.
1611         If the return address is not live, add LR to the list of pushable regs
1612         after the first pass.
1613
1614 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1615
1616         PR tree-optimization/90078
1617         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1618         (INFTY): Increase the value for infinite cost.
1619         (struct comp_cost): Promote type of members to int64_t.
1620         (infinite_cost): Don't set complexity in initialization.
1621         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1622         overflows to infinite_cost.
1623         (adjust_setup_cost): Promote type of parameter and cost computation
1624         to int64_t.
1625         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1626         int64_t.
1627         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1628         cost computation to int64_t.
1629         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1630         int64_t's format specifier in dump.
1631
1632 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1633
1634         PR tree-optimization/90240
1635         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1636         with respect to scaling factor pre-computed for each basic block.
1637         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1638         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1639         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1640         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1641         live range for array of loop's basic blocks.  Cleanup aux field of
1642         loop's basic blocks.
1643
1644 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1645
1646         PR tree-optimization/90356
1647         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1648
1649 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1650
1651         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1652         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1653         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1654         (ix86_handle_option): Handle -mavx512bf16.
1655         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1656         to extra_headers.
1657         * config/i386/avx512bf16vlintrin.h: New.
1658         * config/i386/avx512bf16intrin.h: New.
1659         * config/i386/cpuid.h (bit_AVX512BF16): New.
1660         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1661         * config/i386/i386-builtin-types.def: Add new types.
1662         * config/i386/i386-builtin.def: Add new builtins.
1663         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1664         __AVX512BF16__.
1665         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1666         (ix86_option_override_internal): Handle BF16.
1667         (ix86_valid_target_attribute_inner_p): Ditto.
1668         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1669         * config/i386/i386-builtin.c (enum processor_features): Add
1670         F_AVX512BF16.
1671         (static const _isa_names_table isa_names_table): Ditto.
1672         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1673         (PTA_AVX512BF16): Ditto.
1674         * config/i386/i386.opt: Add -mavx512bf16.
1675         * config/i386/immintrin.h: Include avx512bf16intrin.h
1676         and avx512bf16vlintrin.h.
1677         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1678         avx512f_cvtneps2bf16_<mode><mask_name>,
1679         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1680         * config/i386/subst.md (mask_half): Add new subst.
1681         * doc/invoke.texi: Document -mavx512bf16.
1682
1683 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1684
1685         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1686         Delete declaration.
1687         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1688         (rs6000_debug_legitimize_reload_address): Delete.
1689         (rs6000_legitimize_reload_address_ptr): Delete.
1690         (rs6000_option_override_internal): Adjust.
1691         (mem_operand_gpr): Adjust comment.
1692         (legitimate_lo_sum_address_p): Ditto.
1693         (rs6000_legitimize_reload_address): Delete.
1694         (rs6000_debug_legitimize_reload_address): Delete.
1695         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1696
1697 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1698
1699         PR target/89765
1700         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1701         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1702         to compute vector element selector for both constant and variable
1703         operands.
1704
1705 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1706
1707         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1708         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1709         ashrdi3_cvt using SWI48 mode iterator.
1710
1711 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1712
1713         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1714         (aarch64_<su>abd<mode>_3): Likewise.
1715         (*aarch64_<su>abd<mode>_3): New define_insn.
1716         (<sur>sad<vsi2qi>): New define_expand.
1717         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1718         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1719         (build_vect_cond_expr): Likewise.
1720
1721 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1722
1723         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1724         clobbers outside of accessible_reg_set.
1725         * config/i386/i386.c (ix86_conditional_register_usage):
1726         Disable register sets by clearing corresponding bits in
1727         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1728         call_used_regs and don't clear corresponding reg_names array members.
1729
1730 2019-05-07  Richard Biener  <rguenther@suse.de>
1731
1732         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1733         not specified still compute a comp_vectype for invariant
1734         compares.
1735
1736 2019-05-07  Richard Biener  <rguenther@suse.de>
1737
1738         PR tree-optimization/90316
1739         * tree-ssa-pre.c (translate_vuse_through_block): When
1740         same_valid is NULL do not bother to search for a virtual
1741         PHI continuation.
1742         (phi_translate_1): When operands changed we cannot keep
1743         the same value-number so do not bother to ask whether
1744         that's possible from translate_vuse_through_block.
1745
1746 2019-05-07  Martin Liska  <mliska@suse.cz>
1747
1748         * bitmap.c (bitmap_register): Come up with
1749         alloc_descriptor_max_uid and assign it for
1750         a new bitmap.
1751         (register_overhead): Use get_descriptor as
1752         a descriptor.
1753         (release_overhead): New.
1754         (bitmap_elem_to_freelist): Call it.
1755         (bitmap_elt_clear_from): Likewise.
1756         (bitmap_obstack_free): Likewise.
1757         (bitmap_move): Sensitively release memory.
1758         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1759         (bitmap_initialize): Initialize alloc_descriptor to zero.
1760         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1761
1762 2019-05-07  Richard Biener  <rguenther@suse.de>
1763
1764         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1765         we build a SLP node.  Remove max_size and limiting.
1766         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1767
1768 2019-05-07  Richard Biener  <rguenther@suse.de>
1769
1770         PR tree-optimization/90316
1771         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1772         limit by reference.
1773         (walk_non_aliased_vuses): Take walking limit argument.
1774         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1775         walking if it is reached instead of just counting.
1776         (get_continuation_for_phi): Likewise.
1777         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1778         limiting to the callback.
1779         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1780         (vn_reference_lookup_3): Likewise.
1781         (vn_reference_lookup_pieces): Likewise.
1782         (vn_reference_lookup): Likewise.
1783         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1784         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1785         (avail_exprs_stack::lookup_avail_expr): Likewise.
1786
1787 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1788
1789         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1790         for comparaible types in the second direction even if first one
1791         hits incomparable type.
1792
1793 2019-05-07  Richard Biener  <rguenther@suse.de>
1794
1795         PR lto/90369
1796         * lto-wrapper.c (debug_objcopy): Use the original filename
1797         including archive offset for the filename used for -save-temps.
1798
1799 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1800
1801         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1802         detection.
1803
1804 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1805
1806         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1807         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1808         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1809         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1810         (FRAME_POINTER_REGNUM): Change numbering.
1811         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1812         (alt_reg_names): Adjust.
1813         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1814         fixed.
1815         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1816         (DWARF_FRAME_REGISTERS): Delete.
1817         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1818         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1819         Adjust.
1820         (REG_ALLOC_ORDER): Adjust.
1821         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1822         (REG_CLASS_CONTENTS): Adjust.
1823         (RETURN_ADDR_RTX): Change comment.
1824         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1825         instead of 67.
1826         (REGISTER_NAMES): Adjust.
1827         (ADDITIONAL_REGISTER_NAMES): Adjust.
1828         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1829
1830 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1831
1832         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1833         Delete.
1834         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1835         (DWARF_FRAME_REGISTERS): Adjust.
1836         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1837         Adjust.
1838         (REG_ALLOC_ORDER): Adjust.
1839         (enum reg_class): Delete SPR_REGS.
1840         (REG_CLASS_NAMES): Delete SPR_REGS.
1841         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1842         (REGISTER_NAMES): Adjust.
1843         (ADDITIONAL_REGISTER_NAMES): Adjust.
1844         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1845         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1846         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1847         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1848         (htm_spr_regno): Delete.
1849         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1850         argument.
1851         (rs6000_dbx_register_number): Adjust.
1852
1853 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1854
1855         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1856
1857 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1858
1859         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1860         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1861
1862 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1863
1864         PR tree-optimization/88709
1865         PR tree-optimization/90271
1866         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1867         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1868         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1869         variable.
1870         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1871         of the store merging group is larger than
1872         PARAM_STORE_MERGING_MAX_SIZE parameter.
1873         (split_group): Add bzero_first argument.  If set, always emit first
1874         the first store which must be = {} of the whole area and then for the
1875         rest of the stores consider all zero bytes as paddings.
1876         (imm_store_chain_info::output_merged_store): Check if first store
1877         is = {} of the whole area and if yes, determine which setting of
1878         bzero_first for split_group gives smaller number of stores.  Adjust
1879         split_group callers.
1880         (lhs_valid_for_store_merging_p): Allow decls.
1881         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1882         no elts.
1883         (pass_store_merging::process_store): Likewise.
1884
1885 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1886
1887         PR target/89424
1888         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1889         handling of V1TImode.
1890
1891 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1892
1893         PR target/89221
1894         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1895         and enable_frame_pointer ...
1896         * configure.ac: ... here.  Update help strings for
1897         --enable-frame-pointer.
1898         * configure: Regenerate.
1899         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1900         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1901         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1902         (USE_X86_64_FRAME_POINTER): Ditto.
1903
1904 2019-05-06  Martin Liska  <mliska@suse.cz>
1905
1906         * config.gcc: Append to target_gtfiles and fix indentation.
1907
1908 2019-05-06  Richard Biener  <rguenther@suse.de>
1909
1910         PR tree-optimization/90358
1911         * tree-vect-stmts.c (get_group_load_store_type): Properly
1912         detect unused upper half of load.
1913         (vectorizable_load): Likewise.
1914
1915 2019-05-06  Richard Biener  <rguenther@suse.de>
1916
1917         PR tree-optimization/88828
1918         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1919         (simplify_vector_constructor): ...here.  Handle constants in
1920         the constructor.
1921
1922 2019-05-06  Richard Biener  <rguenther@suse.de>
1923
1924         PR tree-optimization/90328
1925         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1926         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1927         is valid in the loop nest before using it.
1928         (initialize_data_dependence_relation): Adjust.
1929         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
1930         loop as loop-nest to dr_may_alias_p.
1931
1932 2019-05-06  Richard Biener  <rguenther@suse.de>
1933
1934         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
1935
1936 2019-05-06  Richard Biener  <rguenther@suse.de>
1937
1938         PR tree-optimization/90316
1939         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
1940         compute target on demand.
1941         (get_continuation_for_phi): Remove code walking stmts to
1942         get to a target virtual operand which could end up being
1943         quadratic.
1944
1945 2019-05-06  Martin Liska  <mliska@suse.cz>
1946
1947         PR sanitizer/90312
1948         * config/i386/i386-options.c (ix86_option_override_internal): Error only
1949         when -mabi is selected to a non-default version.
1950
1951 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
1952             Martin Liska  <mliska@suse.cz>
1953
1954         * Makefile.in: Add lto-dump.texi.
1955         * cgraph.h: Add new functions get_visibility_string and
1956         get_symtab_type_string.
1957         * doc/gcc.texi: Include lto-dump section.
1958         * doc/lto-dump.texi: New file.
1959         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
1960         (parse_dump_option): Factor out this function.
1961         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
1962         (parse_dump_option): Export the function.
1963         * symtab.c (symtab_node::get_visibility_string): New function.
1964         (symtab_node::get_symtab_type_string): Likewise.
1965
1966 2019-05-06  Martin Liska  <mliska@suse.cz>
1967
1968         * config/i386/i386-builtins.c: New file.
1969         * config/i386/i386-builtins.h: New file.
1970         * config/i386/i386-expand.c: New file.
1971         * config/i386/i386-expand.h: New file.
1972         * config/i386/i386-features.c: New file.
1973         * config/i386/i386-features.h: New file.
1974         * config/i386/i386-options.c: New file.
1975         * config/i386/i386-options.h: New file.
1976         * config.gcc: Add new files into extra_objs and
1977         target_gtfiles.
1978         * config/i386/i386.c: Split content of the file
1979         into newly introduced files.
1980         * config/i386/i386.h: Declare common variables
1981         and macros.
1982         * config/i386/t-i386: Define dependencies for new files.
1983
1984 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
1985
1986         PR target/89400
1987         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
1988         Restrict 'all' variant to 32-bit configurations.
1989         (unaligned_loadhiu): Likewise.
1990         (unaligned_storehi): Likewise.
1991         (unaligned_storesi): Likewise.
1992         (unaligned_loadhis): Disable when compiling for thumb1.
1993
1994 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
1995
1996         PR tree-optimization/90269
1997         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
1998         Ignore clobbers.
1999
2000 2019-05-03  Martin Liska  <mliska@suse.cz>
2001
2002         * hash-map.h: Add is_empty function.
2003         * hash-set.h: Likewise.
2004         * hash-table.h: Likewise.
2005         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2006         elements () == 0 (and similar usages).
2007         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2008         * gimplify.c (gimplify_bind_expr): Likewise.
2009         (gimplify_switch_expr): Likewise.
2010         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2011         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2012         * postreload-gcse.c (dump_hash_table): Likewise.
2013         (gcse_after_reload_main): Likewise.
2014         * predict.c (combine_predictions_for_bb): Likewise.
2015         * tree-parloops.c (reduction_phi): Likewise.
2016         (separate_decls_in_region): Likewise.
2017         (transform_to_exit_first_loop): Likewise.
2018         (gen_parallel_loop): Likewise.
2019         (gather_scalar_reductions): Likewise.
2020         (try_create_reduction_list): Likewise.
2021         * var-tracking.c (dump_vars): Likewise.
2022         (emit_notes_for_changes): Likewise.
2023         (vt_emit_notes): Likewise.
2024
2025 2019-05-03  Richard Biener  <rguenther@suse.de>
2026
2027         PR tree-optimization/90316
2028         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2029         before running VN.
2030
2031 2019-05-03  Richard Biener  <rguenther@suse.de>
2032
2033         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2034         peeling for gaps by loading only lower halves of vectors
2035         if possible.
2036         (vectorizable_load): Likewise.
2037
2038 2019-05-03  Richard Biener  <rguenther@suse.de>
2039
2040         PR middle-end/89518
2041         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2042
2043 2019-05-03  Richard Biener  <rguenther@suse.de>
2044
2045         PR middle-end/87314
2046         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2047         Handle STRING_CST vs DECL or STRING_CST.
2048
2049 2019-05-03  Richard Biener  <rguenther@suse.de>
2050
2051         PR tree-optimization/88963
2052         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2053         vector loads feeding only BIT_FIELD_REFs to component
2054         loads.  Rewrite stores fed by CONSTRUCTORs to component
2055         stores.
2056
2057 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2058
2059         * opts.h (finish_options): Remove lang_mask argument.
2060         (print_help, help_option_argument): Declare.
2061         * opts.c (print_help): Remove forward declaration, no longer static.
2062         (finish_options): Remove lang_mask argument, don't call print_help
2063         here.
2064         * opts-global.c (decode_options): Adjust finish_option caller, call
2065         print_help here.
2066
2067         PR tree-optimization/90303
2068         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2069         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2070
2071 2019-05-03  Richard Biener  <rguenther@suse.de>
2072
2073         PR tree-optimization/89698
2074         * gimple-fold.c (canonicalize_constructor_val): Early out
2075         for constants, handle unfolded INTEGER_CSTs as they appear in
2076         C++ virtual table ctors.
2077
2078 2019-05-03  Richard Biener  <rguenther@suse.de>
2079
2080         * passes.c (execute_function_todo): Remove dead code.
2081
2082 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2083
2084         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2085         the internal register number, for any "real" register.
2086
2087 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2088
2089         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2090         correct numbers for TFHAR, TFIAR, TEXASR.
2091
2092 2019-05-02  Richard Biener  <rguenther@suse.de>
2093
2094         PR tree-optimization/89653
2095         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2096         update-address-taken before the pass.
2097         * passes.def (pass_tree_loop_init): Put comment before it.
2098
2099 2019-05-02  Richard Biener  <rguenther@suse.de>
2100
2101         PR tree-optimization/89509
2102         * tree-ssa-structalias.c (compute_dependence_clique): Look
2103         at the first subvar when determining whether it is restrict.
2104
2105 2019-05-02  Richard Biener  <rguenther@suse.de>
2106
2107         PR tree-optimization/90273
2108         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2109         useless debug stmts.
2110
2111 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2112
2113         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2114         ACLE branch.
2115         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2116         SVE ACLE branch.
2117         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2118         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2119         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2120         (vectorizable_reduction): Use the functions above to vectorize in a
2121         fully masked loop codes that don't have a conditional internal
2122         function.
2123
2124 2019-05-02  Martin Liska  <mliska@suse.cz>
2125
2126         * cgraphclones.c: Call valid_attribute_p with 1 for
2127         target_clone.
2128         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2129         it's for target attribute.
2130         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2131         Add new boolean argument.
2132         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2133         Likewise.
2134         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2135         to ix86_valid_target_attribute_inner_p.
2136         (ix86_valid_target_attribute_p): Pass flags argument to
2137         ix86_valid_target_attribute_inner_p.
2138         (get_builtin_code_for_version): Use 0 as it's target attribute.
2139
2140 2019-05-02  Martin Liska  <mliska@suse.cz>
2141
2142         * gcc.c (process_command): Add dummy file only
2143         if n_infiles == 0.
2144         * opts-global.c (decode_options): Pass lang_mask.
2145         * opts.c (print_help): New function.
2146         (finish_options): Print --help if help_option_argument
2147         is set.
2148         (common_handle_option): Factor out content of OPT__help_
2149         into print_help.
2150         * opts.h (finish_options): Add new argument.
2151
2152 2019-05-02  Martin Liska  <mliska@suse.cz>
2153
2154         PR target/88809
2155         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2156         With -minline-all-stringops use inline expansion using 4B loop.
2157         * doc/invoke.texi: Document the change of
2158         -minline-all-stringops.
2159
2160 2019-05-01  Jeff Law  <law@redhat.com>
2161
2162         PR tree-optimization/88797
2163         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2164         PHI feeds a conditional on the RHS of an assignment.
2165
2166 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2167             Jim Wilson  <jimw@sifive.com>
2168
2169         * config/riscv/constraints.md (L): New.
2170         * config/riscv/predicates.md (lui_operand): New.
2171         (sfb_alu_operand): New.
2172         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2173         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2174         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2175         * config/riscv/risc.md (type): Add sfb_alu.
2176         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2177         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2178         (branch_zero<mode>): Delete.
2179         (mov<mode>cc): New.
2180         (mov<GPR:mode><X:mode>cc): Likewise.
2181         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2182
2183 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2184
2185         * tree.h (MARK_TS_EXP): New.
2186
2187 2019-04-30  Martin Liska  <mliska@suse.cz>
2188
2189         * opts.c (enable_warning_as_error): Provide hints
2190         for unknown options.
2191
2192 2019-04-30  Martin Liska  <mliska@suse.cz>
2193
2194         PR debug/90288
2195         * doc/invoke.texi: Add missing dash for gas-locview-support
2196         and gno-as-locview-support.
2197
2198 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2199
2200         PR target/89093
2201         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2202         whitespace at the start of target attribute string.
2203
2204 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2205
2206         PR target/86538
2207         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2208         Define __ARM_FEATURE_ATOMICS.
2209
2210 2019-04-30  Martin Liska  <mliska@suse.cz>
2211
2212         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2213         into built_in_function enum. Remove code for endp == 2 and
2214         use BUILT_IN_* constants.
2215         (gimple_fold_builtin): Call the function with fcode.
2216
2217 2019-04-30  Martin Liska  <mliska@suse.cz>
2218
2219         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2220         DECL_FUNCTION_CODE into ix86_builtins enum before
2221         the switch statement.
2222
2223 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR tree-optimization/89475
2226         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2227         calls.
2228
2229 2019-04-30  Martin Liska  <mliska@suse.cz>
2230
2231         PR translation/90274
2232         * opts.c (print_filtered_help): Wrap string in _(...).
2233
2234 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2235
2236         PR tree-optimization/90240
2237         Revert:
2238         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2239
2240         PR tree-optimization/90078
2241         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2242         checks for infinite_cost overflow.
2243
2244 2019-04-29  Jeff Law  <law@redhat.com>
2245
2246         * passes.def: Move -Wrestrict pass after copy propagation.
2247
2248 2019-04-29  Maya Rashish  <coypu@sdf.org>
2249
2250         * config.gcc (default_gnu_indirect_function): Default to yes
2251         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2252         sparc*-*-netbsd*, x86_64-*-netbsd*.
2253
2254 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2255
2256         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2257         where cond2 is NE_EXPR.
2258         (is_value_included_in): Update comment.
2259
2260 2019-04-29  Richard Biener  <rguenther@suse.de>
2261
2262         PR tree-optimization/90278
2263         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2264         EH on comparison simplification.
2265
2266 2019-04-29  Jason Merrill  <jason@redhat.com>
2267
2268         PR c++/82081 - tail call optimization breaks noexcept
2269         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2270         nothrow function to a might-throw function into a tail call.
2271
2272 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2273
2274         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2275         (DDR_INNER_LOOP): Likewise.
2276         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2277         (initialize_data_dependence_relation): Likewise.
2278         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2279
2280 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2281
2282         PR rtl-optimization/90257
2283         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2284         return value.
2285
2286         Revert the revert:
2287         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2288
2289         PR target/90178
2290         Revert:
2291         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2292
2293         Revert the revert:
2294         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2295
2296         Revert:
2297         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2298
2299         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2300
2301 2019-04-29  Richard Biener  <rguenther@suse.de>
2302
2303         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2304         rhs issue a reset.
2305
2306 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2307
2308         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2309         varasm.h, and netbsd-protos.h.
2310
2311 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2312
2313         PR target/89261
2314         * config/i386/i386-protos.h (ix86_data_alignment): Change
2315         the second argument type to unsigned int.
2316         * config/i386/i386.c (ix86_data_alignment): Change "align"
2317         argument type to unsigned int.
2318
2319 2019-04-27  Martin Liska  <mliska@suse.cz>
2320
2321         PR middle-end/90258
2322         * opt-suggestions.c (option_proposer::build_option_suggestions):
2323         When get_valid_option_values returns empty values, add the
2324         misspelling candidate.
2325
2326 2019-04-26  Jim Wilson  <jimw@sifive.com>
2327
2328         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2329         parameter.
2330         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2331         Pass orig_mode to riscv_build_integer.
2332         (riscv_split_integer): Pass mode to riscv_move_integer.
2333         (riscv_legitimize_const_move): Likewise.
2334         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2335         promoted_mode.  Replace force_reg call with code to load constant into
2336         promoted reg and then subreg it for the store.
2337         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2338         riscv_move_integer.
2339
2340 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2341
2342         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2343         corrupt codes.
2344
2345 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2346
2347         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2348         commentary about the encoding of precision.
2349
2350 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2351
2352         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2353         * config/i386/t-freebsd64: New file.
2354         * config.gcc: Add the t-freebsd64 for multilib support.
2355
2356 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2357
2358         * doc/extend.texi (vector_size): Add missing comma after @xref.
2359
2360 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2361
2362         * BASE-VER: Set to 10.0.0.
2363
2364 2019-04-25  Richard Biener  <rguenther@suse.de>
2365
2366         PR middle-end/89765
2367         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2368         VIEW_CONVERT_EXPR into one operating on an rvalue.
2369
2370 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2371
2372         PR target/89929
2373         * config/i386/i386.c (feature_priority): Moved to file scope.
2374         (processor_features): Likewise.
2375         (processor_model): Likewise.
2376         (_arch_names_table): Likewise.
2377         (arch_names_table): Likewise.
2378         (_feature_list): Removed.
2379         (feature_list): Likewise.
2380         (_isa_names_table): Moved to file scope.  Add priority.
2381         (isa_names_table): Likewise.
2382         (get_builtin_code_for_version): Replace feature_list with
2383         isa_names_table.  Update error message for P_ZERO priority.
2384
2385 2019-04-25  Richard Biener  <rguenther@suse.de>
2386
2387         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2388         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2389
2390 2019-04-24  Jeff Law  <law@redhat.com>
2391
2392         PR tree-optimization/90037
2393         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2394         * passes.def: Replace all instance of phi-only cprop with the
2395         lattice propagator.  Move propagation pass from after erroneous
2396         path isolation to before erroneous path isolation.
2397         * tree-ssa-phionlycprop.c: Remove.
2398
2399 2019-04-24  Richard Biener  <rguenther@suse.de>
2400
2401         PR middle-end/90213
2402         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2403         by size and BITS_PER_UNIT on poly-wide-ints.
2404
2405 2019-04-25  Richard Biener  <rguenther@suse.de>
2406
2407         PR middle-end/90194
2408         * match.pd: Add pattern to simplify view-conversion of an
2409         empty constructor.
2410
2411 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2412
2413         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2414         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2415         for Go on 32 bit AIX.
2416         * config/rs6000/aix72.h: Likewise.
2417
2418 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2419
2420         PR target/90193
2421         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2422         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2423
2424 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2425
2426         PR target/89952
2427         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2428         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2429         for restored hard frame pointer.
2430         (s390_sched_dependencies_evaluation): Implement new target hook.
2431         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2432
2433 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2434
2435         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2436         * config/arc/arc.c (arc_init): Cleanup warning message.
2437         (arc_override_options): Likewise.
2438
2439 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR target/90187
2442         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2443         a register if both if_true and if_false are MEMs.
2444
2445         PR tree-optimization/90208
2446         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2447         after labels of new_bb, not before them.
2448
2449         PR tree-optimization/90211
2450         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2451         which are not SSA_NAMEs.
2452
2453 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2454
2455         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2456         AArch64.
2457         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2458
2459 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2460
2461         PR rtl-optimization/87979
2462         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2463         not equal zero.
2464
2465 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2466
2467         PR rtl-optimization/84032
2468         * modulo-sched.c (ps_insn_find_column): Change condition so that
2469         branch will always be the last insn in a row inside partial
2470         schedule.
2471
2472 2019-04-23  Richard Biener  <rguenther@suse.de>
2473
2474         PR debug/90131
2475         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2476         dest_single_pred_p argument.
2477         (remove_forwarder_block): Adjust.
2478         (remove_forwarder_block_with_phi): Likewise.
2479
2480 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2481             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2482             Jakub Jelinek  <jakub@redhat.com>
2483
2484         PR target/89093
2485         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2486         if used with general-regs-only.
2487         (arm_conditional_register_usage): Don't add non-general regs if
2488         general-regs-only.
2489         (arm_valid_target_attribute_rec): Handle general-regs-only.
2490         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2491         general-regs-only.
2492         (TARGET_HARD_FLOAT_SUB): Define.
2493         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2494         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2495         (TARGET_REALLY_IWMMXT2): Likewise.
2496         * config/arm/arm.opt: Add -mgeneral-regs-only.
2497         * doc/extend.texi: Document ARM general-regs-only target.
2498         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2499
2500 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2501
2502         PR tree-optimization/90078
2503         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2504         checks for infinite_cost overflow.
2505
2506 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2507
2508         PR tree-optimization/90021
2509         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2510         and check univariate against it.
2511         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2512         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2513
2514 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2515
2516         PR target/90178
2517         Revert:
2518         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2519
2520         Revert the revert:
2521         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2522
2523         Revert:
2524         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2525
2526         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2527
2528 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2529
2530         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2531         names using operand format, rather than hard-wired.
2532         (speculation_barrier): Likewise.
2533
2534 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2535
2536         PR tree-optimization/88055
2537         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2538         (gen_one_condition): Use it if !HONOR_NANS.
2539
2540 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2541
2542         PR middle-end/90139
2543         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2544         assign_temp instead of gen_reg_rtx.
2545
2546 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2547
2548         PR translation/90118
2549         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2550         Add missing space before %<.
2551
2552 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2553
2554         PR rtl-optimization/87871
2555         * ira-lives.c (make_object_dead): Don't add conflicts to
2556         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2557
2558 2019-04-18  Martin Sebor  <msebor@redhat.com>
2559
2560         PR middle-end/89797
2561         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2562         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2563         assuming type size fits in SHWI.
2564
2565 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2566
2567         PR ipa/85051
2568         * ipa-inline.c (flatten_function): New parameter UPDATE.
2569         (ipa_inline, early_inliner): Use it.
2570
2571 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2572
2573         * fold-const.c (int_const_binop): Return early on failure.
2574
2575 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2576
2577         PR middle-end/85164
2578         * combine.c (force_int_to_mode): Cast the argument rather than
2579         the result of known_alignment.
2580         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2581
2582 2019-04-18  Richard Biener  <rguenther@suse.de>
2583
2584         PR debug/90131
2585         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2586         out from ...
2587         (remove_forwarder_block): ... here.
2588         (remove_forwarder_block_with_phi): Also move debug stmts here.
2589
2590 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2591
2592         PR translation/79183
2593         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2594         inform where appropriate.
2595
2596 2019-04-18  Richard Biener  <rguenther@suse.de>
2597
2598         * tree.c (get_qualified_type): Put found type variants at the
2599         head of the variant list.
2600
2601 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2602
2603         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2604
2605 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2606
2607         PR target/90125
2608         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2609         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2610         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2611         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2612         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2613
2614 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2615
2616         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2617         even for allocno's with no conflicts.
2618         (print_conflicts): Print an extra newline.
2619
2620 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2621
2622         * auto-inc-dec.c (attempt_change): Set the alignment of the
2623         temporary memory to that of the original.
2624
2625 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2626
2627         * targhooks.c (default_print_patchable_function_entry): Emit
2628         __patchable_function_entries section with writable flags to allow
2629         relocation resolution.
2630
2631 2019-04-17  Jonny Grant  <jg@jguk.org>
2632
2633         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2634
2635 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2636
2637         PR middle-end/90095
2638         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2639         on lowpart SUBREGs.
2640
2641 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2642
2643         * config/arc/arc.c (arc_init): Format diagnostic string.
2644         (arc_override_options): Likewise.
2645         (check_if_valid_regno_const): Likewise.
2646         (arc_reorg): Likewise.
2647
2648 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2649
2650         PR target/17108
2651         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2652         name.
2653         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2654         name.
2655         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2656         (*movdi_update1): Use Pmode.
2657         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2658         (movdi_<mode>_update_stack): Rename to ...
2659         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2660         use Pmode.
2661         (*movsi_update1): Use Pmode.
2662         (*movsi_update2): Use Pmode.
2663         (movsi_update): Rename to ...
2664         (movsi_<mode>_update): ... this.  Use Pmode.
2665         (movsi_update_stack): Fix condition.
2666         (*movhi_update1): Use Pmode.  Fix argument to
2667         avoiding_indexed_address_p.
2668         (*movhi_update2): Ditto.
2669         (*movhi_update3): Ditto.
2670         (*movhi_update4): Ditto.
2671         (*movqi_update1): Ditto.
2672         (*movqi_update2): Ditto.
2673         (*movqi_update3): Ditto.
2674         (*movsf_update1, *movdf_update1): Merge, rename to...
2675         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2676         avoiding_indexed_address_p.  Add "size" attribute.
2677         (*movsf_update2, *movdf_update2): Merge, rename to...
2678         (*mov<mode>_update2): This.  Ditto.
2679         (*movsf_update3): Use Pmode.  Fix argument to
2680         avoiding_indexed_address_p.
2681         (*movsf_update4): Ditto.
2682         (allocate_stack): Simplify condition.  Adjust pattern names.
2683
2684 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR target/89093
2687         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2688         whitespace at the start of target attribute string.
2689
2690 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2691
2692         PR target/84369
2693         * config/rs6000/power9.md: Add store forwarding bypass.
2694
2695 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2696
2697         PR debug/89528
2698         * valtrack.c (dead_debug_insert_temp): Reset debug references
2699         to the return value of a call being removed.
2700
2701 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2702
2703         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2704         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2705         implement target hook.
2706         (arc_memory_move_cost): New function.
2707         (TARGET_REGISTER_MOVE_COST): Define.
2708         (TARGET_MEMORY_MOVE_COST): Likewise.
2709         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2710         (MEMORY_MOVE_COST): Likewise.
2711
2712 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2713
2714         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2715         (sibcall_value_insn): Likewise.
2716         * config/arc/constraints.md (Rs5): Remove.
2717
2718 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2719
2720         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2721         for last two fake registers.
2722         (arc_conditional_register_usage): Make sure fake frame and arg
2723         pointer regs are in general regs class.
2724         (FRAME_POINTER_MASK): Remove.
2725         (RETURN_ADDR_MASK): Remove.
2726         (arc_must_save_register): Use hard frame regnum.
2727         (frame_restore_reg): Use hard_frame_pointer_rtx.
2728         (arc_save_callee_saves): Likewise.
2729         (arc_restore_callee_saves): Likewise.
2730         (arc_save_callee_enter): Likewise.
2731         (arc_restore_callee_leave): Likewise.
2732         (arc_save_callee_milli): Likewise.
2733         (arc_eh_return_address_location): Likewise.
2734         (arc_check_multi): Use hard frame regnum.
2735         (arc_can_eliminate): Likewise.
2736         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2737         for register allocator.
2738         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2739         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2740         (FRAME_POINTER_REGNUM): Change it to a fake register.
2741         (HARD_FRAME_POINTER_REGNUM): Defined.
2742         (ARG_POINTER_REGNUM): Change it to a new fake register.
2743         (ELIMINABLE_REGS): Update.
2744         (REGISTER_NAMES): Update names.
2745         * config/arc/arc.md (LP_START): Remove.
2746         (LP_END): Likewise.
2747         (shift_si3_loop): Update pattern.
2748
2749 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2750
2751         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2752         to avoid delay slot scheduling.
2753         (arc_must_save_register): Don't save SP.
2754         * config/arc/arc.md (stack_tie): Remove.
2755         (UNSPEC_ARC_STKTIE): Likewise.
2756
2757 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2758             Shiva Chen  <shiva0217@gmail.com>
2759
2760         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2761         code gen with large shift amount.
2762
2763 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2764
2765         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2766         subreg.
2767
2768 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2769
2770         PR target/90096
2771         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2772         print -m64/-mx32/-m32 if it is true.
2773         (ix86_debug_options, ix86_function_specific_print): Pass true as
2774         ADD_ABI_P to ix86_target_string.
2775         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2776         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2777         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2778
2779         PR rtl-optimization/90082
2780         * dce.c (can_delete_call): New function.
2781         (deletable_insn_p, mark_insn): Use it.
2782
2783         PR tree-optimization/90090
2784         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2785         throw internally.
2786         (is_division_by_square): Likewise.  Formatting fix.
2787
2788 2019-04-16  Richard Biener  <rguenther@suse.de>
2789
2790         PR tree-optimization/56049
2791         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2792         equality check if alias-set zero will prevail.
2793
2794 2019-04-15  Jeff Law  <law@redhat.com>
2795
2796         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2797         size and alignment as unsigned.
2798
2799 2019-04-15  Richard Biener  <rguenther@suse.de>
2800
2801         PR debug/90074
2802         * tree-loop-distribution.c (destroy_loop): Preserve correct
2803         debug info.
2804
2805 2019-04-15  Richard Biener  <rguenther@suse.de>
2806
2807         PR tree-optimization/90071
2808         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2809         abnormal operands from def stmts.
2810
2811 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2812
2813         PR rtl-optimization/89794
2814         * combine.c (count_auto_inc): New function.
2815         (try_combine): Count how many auto_inc expressions there were in the
2816         original instructions.  Ensure we have the same number in the new
2817         instructions.  Remove the code that tried to ensure auto_inc side
2818         effects on i1 and i0 are not lost.
2819
2820 2019-04-15  Richard Biener  <rguenther@suse.de>
2821
2822         PR ipa/88936
2823         * tree.h (auto_var_p): Declare.
2824         * tree.c (auto_var_p): New function, split out from ...
2825         (auto_var_in_fn_p): ... here.
2826         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2827         member.
2828         (new_var_info): Initialize it.
2829         (set_uids_in_ptset): Also set the shadow variable uid if required.
2830         (ipa_pta_execute): Postprocess points-to solutions assigning
2831         shadow variable uids for locals that may reach their containing
2832         function recursively.
2833         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2834         assert but instead check whether the points-to solution is
2835         a singleton.
2836
2837 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2838
2839         PR ipa/pr89693
2840         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2841         the thunk chain.
2842
2843 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2844
2845         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2846
2847 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2848             Kito Cheng  <kito.cheng@gmail.com>
2849             Shiva Chen  <shiva0217@gmail.com>
2850
2851         * config/nds32/nds32-md-auxiliary.c
2852         (nds32_legitimize_pic_address): Use new PIC pattern.
2853         (nds32_legitimize_tls_address): Use new TLS pattern.
2854         (nds32_output_symrel): New.
2855         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2856         (nds32_alloc_relax_group_id): Ditto.
2857         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2858         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2859         relax_group_id.
2860         (nds32_group_tls_insn): Ditto.
2861         (nds32_group_float_insns): Ditto.
2862         * config/nds32/nds32.md (tls_le): New.
2863         (sym_got): Ditto.
2864
2865 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2866
2867         * configure: Add nds32 target for dwarf2 debug_line checking.
2868         * configure.ac: Regenerated.
2869
2870 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2871
2872         PR lto/89358
2873         * ipa-devirt.c (skip_in_fields_list_p): New.
2874         (odr_types_equivalent_p): Use it.
2875
2876 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR target/89093
2879         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2880         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2881
2882 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2883
2884         * doc/install.texi: Document --with-target-system-zlib.
2885
2886 2019-04-12  Martin Sebor  <msebor@redhat.com>
2887
2888         PR c/88383
2889         PR c/89288
2890         PR c/89798
2891         PR c/89797
2892         * targhooks.c (default_vector_alignment): Avoid assuming
2893         argument fits in SHWI.
2894         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2895         a shift expression.
2896         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2897
2898 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR rtl-optimization/89965
2901         * dce.c: Include rtl-iter.h.
2902         (struct check_argument_load_data): New type.
2903         (check_argument_load): New function.
2904         (find_call_stack_args): Check for loads from stack slots still tracked
2905         in sp_bytes and punt if any is found.
2906
2907         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2908
2909 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2910
2911         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2912         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2913
2914 2019-04-12  Martin Liska  <mliska@suse.cz>
2915
2916         PR middle-end/89970
2917         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2918         in error message.
2919         (separate_attrs): Handle multiple 'default's.
2920         (expand_target_clones): Rework error handling code.
2921
2922 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2923
2924         PR target/87532
2925         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2926         mode of vector rather than mode of destination for move instruction.
2927         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2928         Use QI inner mode with V16QI vector mode.
2929
2930 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2931
2932         PR target/52726
2933         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
2934         "invalid %%t operand" in output_operand_lossage message.
2935
2936 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
2937
2938         * config/s390/predicates.md (permute_pattern_operand): New
2939         predicate.
2940         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
2941         operand for the permute pattern.
2942         ("*vec_perm<mode>"): New insn definition.
2943         ("bswap<mode>"): Generate the permute pattern operand in the
2944         expander and perform the operand reloads for pre arch13 level
2945         already.
2946         ("*bswap<mode>_emu"): Rename to ...
2947         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
2948         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
2949         Add the USE operand for the permute pattern.
2950         ("*vec_set_bswap_vec<mode>"): Likewise.
2951
2952 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2953
2954         PR c/89946
2955         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
2956         and gcc_unreachable if it fails, just call tree_to_uhwi which
2957         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
2958         Start warning message with a lower-case letter.  Formatting fixes.
2959
2960         PR rtl-optimization/90026
2961         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
2962         successors, look for BARRIERs inside of the whole BB_FOOTER chain
2963         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
2964         in cfglayout mode, use emit_barrier_after_bb.
2965
2966 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
2967
2968         PR rtl-optimization/87763
2969         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
2970         New Instruction.
2971
2972 2019-04-11  Tom de Vries  <tdevries@suse.de>
2973
2974         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
2975         max macro using statement expression.
2976
2977 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
2978
2979         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
2980         * xcoffout.c (xcoff_private_rodata_section_name): Define.
2981         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
2982         read_only_private_data_section using xcoff_private_rodata_section_name.
2983         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
2984
2985 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
2986
2987         PR target/90016
2988         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
2989
2990 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR rtl-optimization/89965
2993         * dce.c (sp_based_mem_offset): New function.
2994         (find_call_stack_args): Use sp_based_mem_offset.
2995
2996 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
2997
2998         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
2999
3000 2019-04-11  Richard Biener  <rguenther@suse.de>
3001
3002         PR tree-optimization/90020
3003         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3004         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3005         * tree-ssa-pre.c (compute_avail): Use it to not put
3006         possibly trapping references after a call that might not
3007         return into EXP_GEN.
3008         * gcse.c (compute_hash_table_work): Do not elide
3009         marking a block containing a call if the call might not
3010         return.
3011
3012 2019-04-11  Richard Biener  <rguenther@suse.de>
3013
3014         PR tree-optimization/90018
3015         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3016         Test both SLP and interleaving variants.
3017
3018 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3019
3020         * config/s390/8561.md: New file.
3021         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3022         Add arch13 cpu model.
3023         * config/s390/s390-opts.h (enum processor_type): Likewise.
3024         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3025         (s390_get_unit_mask): Likewise.
3026         (s390_is_fpd): Likewise.
3027         (s390_is_fxd): Likewise.
3028         * config/s390/s390.h (s390_tune_attr): Likewise.
3029         * config/s390/s390.md: Include arch13 pipeline description.
3030         * config/s390/s390.opt: Add arch13.
3031
3032 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3033
3034         PR rtl-optimization/87763
3035         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3036         New prototype.
3037         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3038         New function.
3039         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3040         New instruction.
3041         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3042         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3043         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3044         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3045
3046 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3047
3048         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3049         "Although" in -fipa-icf documentation.
3050
3051         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3052         of using multiple -g options.
3053
3054 2019-04-10  Martin Liska  <mliska@suse.cz>
3055
3056         PR gcov-profile/89959
3057         * doc/gcov.texi: Make documentation of -x option
3058         more precise.
3059
3060 2019-04-10  Richard Biener  <rguenther@suse.de>
3061
3062         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3063         member.
3064         (DR_GROUP_SAME_DR_STMT): Remove.
3065         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3066         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3067         replace with assert.
3068         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3069         (vect_record_grouped_load_vectors): Remove unreachable code.
3070
3071 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3072
3073         PR target/90016
3074         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3075         obsolete reference to N.
3076
3077 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR middle-end/90025
3080         * expr.c (store_expr): Set properly size on the MEM passed to
3081         clear_storage.
3082
3083         PR c++/90010
3084         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3085         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3086         translation is needed, and when translation is needed, only append
3087         ... if the string length is hostsz or more bytes long.  Avoid using
3088         strncpy or strcat.
3089
3090 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3091
3092         PR target/90024
3093         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3094         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3095         into three.
3096         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3097         differences directly.
3098         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3099
3100 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3101
3102         PR translation/90011
3103         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3104         from diagnostics.
3105         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3106         diagnostics.
3107         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3108         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3109         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3110         trailing space from -gsplit-dwarf diagnostics.
3111
3112         PR tree-optimization/89998
3113         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3114         instead of integer_type_node if possible, don't add ranges if return
3115         type is not compatible with int.
3116         * gimple-fold.c (gimple_fold_builtin_sprintf,
3117         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3118         integer_type_node.
3119
3120 2019-04-09  Martin Liska  <mliska@suse.cz>
3121
3122         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3123         * doc/install.texi: Document the new config.
3124
3125 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3126
3127         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3128         use gimple_expr_type for load and store calls.  Skip over the
3129         condition argument in a conditional internal function.
3130         Protect use of TREE_INT_CST_LOW.
3131
3132 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3133
3134         PR target/90015
3135         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3136         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3137         trailing period from it too.
3138
3139 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3140
3141         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3142         * config/aarch64/aarch64.md : Add "tsv110.md"
3143         * config/aarch64/tsv110.md: New file.
3144
3145 2019-04-08  Richard Biener  <rguenther@suse.de>
3146
3147         PR tree-optimization/90006
3148         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3149         calls like lrint.
3150
3151 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3152
3153         PR target/83033
3154         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3155         construction.
3156         (fma_root_node): Likewise.
3157         (func_fma_steering): Likewise.
3158
3159 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3160
3161         PR rtl-optimization/89865
3162         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3163
3164         PR rtl-optimization/89865
3165         * config/i386/i386.md
3166         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3167         numbers not to clash with the additional operands[4].
3168         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3169         with extra register copy in the middle.
3170
3171 2019-04-08  Martin Liska  <mliska@suse.cz>
3172
3173         PR gcov-profile/89961
3174         * doc/gcov.texi: Document data_file.
3175         * gcov.c (generate_results): Add data_info into JSON output.
3176
3177 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3178
3179         PR tree-optimization/89725
3180         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3181         loop's chrec as invariant symbol.
3182         * tree-chrec.h (chrec_contains_symbols): New parameter.
3183         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3184         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3185         function of loops not in DDR's loop_nest.
3186         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3187
3188 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3189
3190         PR target/89623
3191         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3192         Mask.
3193
3194 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3195
3196         PR target/89945
3197         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3198         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3199
3200 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3201
3202         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3203         targetm.fixed_condition_code_regs.
3204
3205 2019-04-05  Richard Biener  <rguenther@suse.de>
3206
3207         PR debug/89892
3208         PR debug/89905
3209         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3210         debug bind stmts but reset them if they are not valid at the
3211         destination.
3212
3213 2019-04-05  Martin Liska  <mliska@suse.cz>
3214
3215         PR translation/89936
3216         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3217         order to wrap keywords or arguments.
3218         * collect2.c (main): Likewise.
3219         (scan_prog_file): Likewise.
3220         (scan_libraries): Likewise.
3221         * common/config/riscv/riscv-common.c
3222         (riscv_subset_list::parsing_subset_version): Likewise.
3223         (riscv_subset_list::parse_std_ext): Likewise.
3224         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3225         Likewise.
3226         * config/arm/arm.c (arm_option_override): Likewise.
3227         * config/cris/cris.c (cris_print_operand): Likewise.
3228         * config/darwin-c.c (darwin_pragma_options): Likewise.
3229         (darwin_pragma_unused): Likewise.
3230         (darwin_pragma_ms_struct): Likewise.
3231         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3232         * config/i386/i386.c (print_reg): Likewise.
3233         (ix86_print_operand): Likewise.
3234         * config/i386/xm-djgpp.h: Likewise.
3235         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3236         * config/m32c/m32c.c (m32c_option_override): Likewise.
3237         * config/msp430/msp430.c (msp430_option_override): Likewise.
3238         * config/nds32/nds32.c (nds32_option_override): Likewise.
3239         * config/nvptx/mkoffload.c (main): Likewise.
3240         * config/rx/rx.c (rx_print_operand): Likewise.
3241         (valid_psw_flag): Likewise.
3242         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3243         (vms_pragma_nomember_alignment): Likewise.
3244         (vms_pragma_extern_model): Likewise.
3245         * lto-wrapper.c (compile_offload_image): Likewise.
3246         * omp-offload.c (oacc_parse_default_dims): Likewise.
3247         * symtab.c (symtab_node::verify_base): Likewise.
3248         * tlink.c (recompile_files): Likewise.
3249         (start_tweaking): Likewise.
3250         * tree-profile.c (parse_profile_filter): Likewise.
3251
3252 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3253
3254         PR tree-optimization/89956
3255         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3256         multiple negates of the same value.
3257
3258 2019-04-04  Martin Sebor  <msebor@redhat.com>
3259
3260         PR middle-end/89957
3261         PR middle-end/89911
3262         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3263         have the same precision since the function crashes otherwise.
3264         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3265         has non-zero arguments.
3266
3267 2019-04-04  Martin Sebor  <msebor@redhat.com>
3268
3269         PR middle-end/89934
3270         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3271         out if the number of arguments is less than expected.
3272
3273 2019-04-04  Jeff Law  <law@redhat.com>
3274
3275         PR rtl-optimization/89399
3276         * ree.c (combine_set_extension): Use single_set rather than
3277         digging into PATTERN for items on the candidate list.
3278         (combine_reaching_defs): Likewise.
3279
3280 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3281
3282         PR rtl-optimization/46590
3283         * loop-invariant.c (find_defs): Move df_remove_problem and
3284         df_process_deferred_rescans to move_invariants.
3285         Move df_live_add_problem and df_live_set_all_dirty calls
3286         to move_invariants.
3287         (move_invariants): Likewise.
3288         (move_loop_invariants): Likewise, making the df_live calls
3289         conditional on -O.  Remove the problem again if we added it
3290         locally.
3291
3292 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3293
3294         PR tree-optimization/89730
3295         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3296         -flive-patching=inline-only-static.
3297         (can_inline_edge_by_limits_p): Add the checking for
3298         -flive-patching=inline-only-static and grant always_inline
3299         even when -flive-patching=inline-only-static is specified.
3300
3301 2019-04-03  Jeff Law  <law@redhat.com>
3302
3303         PR rtl-optimization/81025
3304         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3305
3306 2019-04-03  Richard Biener  <rguenther@suse.de>
3307
3308         PR tree-optimization/84101
3309         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3310         regs.h for hard_regno_nregs.
3311         (cfun_returns): New helper.
3312         (vect_model_store_cost): When vectorizing a store to a decl
3313         we return and the function ABI returns in a multi-reg location
3314         account for the possible spilling that will happen.
3315
3316 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3317
3318         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3319         displacement addresses for vector mode operands.
3320
3321 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3322
3323         * config/arc/arc.c (GMASK_LEN): Define.
3324         (arc_restore_callee_saves): Restore first blink when
3325         !optimize_size.
3326
3327 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3328
3329         * doc/extend.texi: Add deprecated comment on sign-return-address
3330         function attribute and add mbranch-protection.
3331         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3332
3333 2019-04-03  Richard Biener  <rguenther@suse.de>
3334
3335         PR lto/89896
3336         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3337         the all target phony.
3338
3339 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3340
3341         PR target/89902
3342         PR target/89903
3343         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3344         Return false for variable DImode shifts.
3345         (dimode_scalar_chain::compute_convert_gain): Do not handle
3346         register count operand in variable DImode shifts.
3347         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3348         count argument of a variable shift instruction to a vector register.
3349         (dimode_scalar_chain::convert_reg): Remove support to convert
3350         count argument of a variable shift instruction.
3351
3352 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3353
3354         PR rtl-optimization/84206
3355         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3356         iterating over loop headers.
3357
3358 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3359
3360         PR rtl-optimization/85876
3361         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3362         beyond the original fence.
3363
3364 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3365
3366         * config.gcc: Mark spu* targets as deprecated/obsolete.
3367
3368 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3369
3370         * config/s390/s390-builtin-types.def: New builtin function type
3371         definitions. Remove unused types.
3372         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3373         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3374         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3375         overloaded builtins.
3376         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3377         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3378         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3379         (vec_double, vec_signed, vec_unsigned): Define to use the new
3380         overloaded builtins.
3381         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3382         Remove expanders.
3383
3384 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3385
3386         * config/s390/s390-builtin-types.def: New builtin function type
3387         definitions.
3388         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3389         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3390         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3391         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3392         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3393         constant definitions.
3394         * config/s390/vecintrin.h (vec_search_string_cc)
3395         (vec_search_string_until_zero_cc): New builtin name definitions.
3396         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3397         expanders.
3398         ("vec_vstrs<mode>"): New insn definition.
3399
3400 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3401
3402         * config/s390/s390-builtin-types.def: Add new builtin function
3403         types.
3404         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3405         New overloaded builtins.
3406         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3407         s390_vsrd.
3408         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3409         (UNSPEC_VEC_SLDBYTE): ... this.
3410         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3411         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3412         definitions.
3413         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3414         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3415         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3416
3417 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3418
3419         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3420         New insn definition.
3421         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3422         * config/s390/vector.md (V_HW_HSD): ... here.
3423
3424 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3425
3426         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3427         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3428         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3429         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3430         New insn definitions.
3431
3432 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3433
3434         * config/s390/s390-builtin-types.def: Add new builtin function type.
3435         * config/s390/s390-builtins.def: Add overloaded builtin
3436         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3437         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3438         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3439         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3440         ("eltswap<mode>"): New expander.
3441         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3442         insn definitions.
3443
3444 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3445
3446         * config/s390/s390-builtin-types.def: Add new builtin function types.
3447         * config/s390/s390-builtins.def: Add overloaded builtin
3448         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3449         instructions.
3450         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3451         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3452         ("bswap<mode>"): New expander.
3453         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3454
3455 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3456
3457         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3458         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3459         vector builtin version number in __VEC__.
3460
3461 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3462
3463         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3464         iterators.
3465         (SFSI): New mode attribute.
3466         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3467         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3468         rename to ...
3469         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3470         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3471         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3472         ("floatsi<mode>2"): Add wcefb instruction.
3473
3474 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3475
3476         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3477         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3478         mode iterators.
3479         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3480         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3481         support 32 bit fp-int conversions. Rename to ...
3482         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3483         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3484         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3485         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3486         ... to these.
3487
3488 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3489
3490         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3491         if-then-else constructs if we can use the select instruction.
3492         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3493
3494 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3495
3496         * config/s390/s390.md ("*popcountdi_arch13_cc")
3497         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3498         definition.
3499         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3500         Append _z196 to make it ...
3501         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3502         ("popcounthi2_z196"): ... this.
3503         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3504         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3505
3506 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3507
3508         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3509         certain compares for arch13 in order to make use of the condition
3510         code result produced by the new instructions.
3511         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3512         nxrk, and nxgrk instruction patterns.
3513         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3514         (inv_no): Add new code iterator together with some attributes.
3515         ("*andc_split_<mode>"): Disable splitter for arch13.
3516         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3517         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3518         ("*<ANDOR:bitops_name>c<GPR:mode>")
3519         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3520         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3521         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3522         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3523
3524 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3525
3526         * common/config/s390/s390-common.c (processor_flags_table): New
3527         entry for arch13.
3528         * config.gcc: Support arch13 with the --with-arch= configure flag.
3529         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3530         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3531         * config/s390/s390.c (s390_get_sched_attrmask)
3532         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3533         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3534         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3535         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3536         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3537         definitions.
3538         * config/s390/s390.opt: Support arch13 as processor type in
3539         command line options.
3540
3541 2019-04-02  Martin Liska  <mliska@suse.cz>
3542
3543         PR translation/89912
3544         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3545         Fix param description of graphite-max-arrays-per-scop.
3546
3547 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3548
3549         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3550         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3551         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3552
3553 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3554
3555         PR rtl-optimization/85412
3556         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3557         sel_sched_region_1, not after.
3558
3559 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3560
3561         PR rtl-optimization/86928
3562         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3563         compute_live if necessary.
3564         (sel_redirect_edge_and_branch): Likewise.
3565
3566 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3567
3568         PR rtl-optimization/89865
3569         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3570         register if it is a part of small class.
3571
3572 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3573
3574         PR rtl-optimization/87273
3575         * sel-sched-ir.c (merge_fences): Remove assert.
3576
3577 2019-04-01  Richard Biener  <rguenther@suse.de>
3578
3579         PR tree-optimization/46590
3580         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3581         (dom_walker::m_reachability): Add in place of...
3582         (dom_walker::m_skip_unreachable_blocks): ...this.
3583         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3584         Move complex initialization ...
3585         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3586         lazily and initialize edge flags on each invocation.
3587         (dom_walker::bb_reachable): Use m_reachability.
3588
3589 2019-04-01  Martin Liska  <mliska@suse.cz>
3590
3591         PR driver/89861
3592         * opt-suggestions.c (option_proposer::build_option_suggestions):
3593         Add variant without any argument in order to provide better
3594         hints.
3595
3596 2019-04-01  Richard Biener  <rguenther@suse.de>
3597
3598         PR c/71598
3599         * gimple.c: Include langhooks.h.
3600         (gimple_get_alias_set): Treat enumeral types as the underlying
3601         integer type.
3602
3603 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3604             Eric Botcazou  <ebotcazou@adacore.com>
3605
3606         PR rtl-optimization/89862
3607         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3608         that operates on the full registers for WORD_REGISTER_OPERATIONS
3609         architectures.
3610
3611 2019-03-29  Jim Wilson  <jimw@sifive.com>
3612
3613         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3614         Clear MASK_RVC and then set if C subset supported.
3615
3616 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3617
3618         PR c/89872
3619         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3620         non-addressable complit into its initializer if it is volatile.
3621
3622 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3623
3624         * opts-common.c (integral_argument): Set errno properly in one case.
3625
3626 2019-03-29  Martin Liska  <mliska@suse.cz>
3627
3628         * doc/invoke.texi: Remove -Wchkp from documentation.
3629
3630 2019-03-29  Martin Liska  <mliska@suse.cz>
3631
3632         * dbgcnt.c (print_limit_reach): New function.
3633         (dbg_cnt): Use it.
3634
3635 2019-03-29  Martin Liska  <mliska@suse.cz>
3636
3637         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3638         (dbg_cnt_process_opt): Parse first tokens aas
3639         dbg_cnt_process_single_pair is also using strtok.
3640
3641 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3642
3643         PR rtl-optimization/87485
3644         * function.c (expand_function_end): Move stack_protect_epilogue
3645         before loading of return value into hard register(s).
3646
3647 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3648
3649         PR middle-end/89621
3650         * tree-inline.h (struct copy_body_data): Add
3651         dont_remap_vla_if_no_change flag.
3652         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3653         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3654         and remap_type_2 returns false.
3655         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3656         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3657         only from where it is copied to nested contexts.
3658
3659 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3660
3661         PR target/89865
3662         * config/i386/i386.md (RMW operation with LEA peephole):
3663         Use LEAMODE mode attribute instead of SWI mode iterator for
3664         LEA pattern.
3665
3666 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3667
3668         PR target/89848
3669         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3670         Also process XEXP (src, 0) of a shift insn.
3671
3672 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3673
3674         PR middle-end/89725
3675         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3676         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3677
3678 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3679
3680         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3681         test.
3682         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3683         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3684         immediately after first one with df_analyze in between, but rather
3685         process all bbs, queueing ones that need second pass in a worklist,
3686         df_analyze, process queued debug insn changes and if second pass is
3687         needed, process bbs from worklist, df_analyze, process queued debug
3688         insns again.
3689
3690         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3691         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3692         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3693
3694 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3695
3696         PR c/79022
3697         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3698         definition.
3699
3700 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3701
3702         PR target/85667
3703         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3704         function for 32-bit MS_ABI.
3705         (function_value_ms_32): New function.
3706
3707 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3708
3709         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3710         (movdi): Call gen_movdi_symbol_save_scc.
3711         (gen_movdi_symbol_save_scc): New insn and split.
3712
3713 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3714
3715         PR rtl-optimization/89313
3716         * function.c (matching_constraint_num): New static function.
3717         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3718         Don't replace inputs with non-matching constraints which conflict
3719         with early clobber outputs.
3720
3721 2019-03-27  Jeff Law  <law@redhat.com>
3722
3723
3724         PR rtl-optimization/87761
3725         PR rtl-optimization/89826
3726         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3727         slightly later.
3728         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3729         note problem to get REG_DEAD/REG_UNUSED notes updated.
3730
3731 2019-03-27  Richard Biener  <rguenther@suse.de>
3732
3733         PR tree-optimization/89463
3734         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3735         queue edges to remove.
3736         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3737         dead stmts.  Delay edge removal until PHIs are removed to
3738         make debug-stmt creation not confused by seemingly degenerate
3739         PHIs.
3740
3741 2019-03-27  Alan Modra  <amodra@gmail.com>
3742
3743         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3744         throughout file.
3745         * config/rs6000/darwin.h: Likewise.
3746         * config/rs6000/rs6000.c: Likewise.
3747
3748 2019-03-27  Alan Modra  <amodra@gmail.com>
3749
3750         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3751         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3752
3753 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3754             Jim Wilson  <jimw@sifive.com>
3755
3756         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3757         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3758         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3759         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3760         (generic_alu): Add auipc to type list.
3761         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3762         (riscv_microarchitecture): Declare.
3763         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3764         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3765         field.
3766         (riscv_microarchitecture): New.
3767         (sifive_7_tune_info): New.
3768         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3769         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3770         entries.
3771         (riscv_store_data_bypass_p): New.
3772         (riscv_option_override): Set riscv_microarchitecture from
3773         cpu->microarchitecture.
3774         * config/riscv/riscv.md: Include sifive-7.md.
3775         (type): Add auipc.
3776         (tune): New.
3777         (auipc<mode>): Change type to auipc.
3778         (restore_stack_nonlocal): New.
3779         * config/riscv/sifive-7.md: New.
3780         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3781
3782 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3783
3784         PR target/89827
3785         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3786         Also process XEXP (src, 0) of a shift insn.
3787
3788 2019-03-26  Richard Biener  <rguenther@suse.de>
3789
3790         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3791         (copy_debug_stmt): Likewise.
3792         (expand_call_inline): Likewise.
3793         (copy_bb): Avoid redundant lookup & set of gimple_block.
3794         * gimple-low.c (lower_gimple_return): Likewise.
3795         (lower_builtin_setjmp): Likewise.
3796
3797 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3798
3799         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3800         is constant 0, turn into static const data member initialized to false.
3801         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3802         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3803
3804 2019-03-26  Jason Merrill  <jason@redhat.com>
3805             Jakub Jelinek  <jakub@redhat.com>
3806
3807         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3808         method.
3809         (mem_alloc_description::release_object_overhead): Fix comment typos.
3810         * hash-table.h (hash_table::~hash_table): Call
3811         release_instance_overhead only if m_entries is non-NULL, otherwise
3812         call unregister_descriptor.
3813
3814 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3815
3816         PR tree-optimization/81740
3817         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3818         In case of outer loop vectorization, check for backward dependence
3819         at the inner loop if outer loop dependence is reversed.
3820
3821 2019-03-26  Alan Modra  <amodra@gmail.com>
3822
3823         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3824         rs6000_vector_mem init.  Correct wI and wJ comment.
3825
3826 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3827
3828         PR rtl-optimization/88347
3829         PR rtl-optimization/88423
3830         * sched-deps.c (sched_analyze_insn): Take into account that for
3831         tablejumps the barrier appears after a label and a jump_table_data.
3832
3833 2019-03-25  Martin Sebor  <msebor@redhat.com>
3834
3835         PR c/89812
3836         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3837         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3838         convert it to UHWI when it fits.
3839
3840 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3841
3842         PR debug/86964
3843         * dwarf2out.c (premark_used_variables): New function.
3844         (prune_unused_types_walk): Do not mark not premarked external
3845         variables.
3846         (prune_unused_types): Call premark_used_variables.
3847
3848 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3849
3850         PR rtl-optimization/89676
3851         * lra-constraints.c (curr_insn_transform): Do match reload for
3852         early clobbers when the match was successful only for different
3853         registers.
3854
3855 2019-03-25  Martin Sebor  <msebor@redhat.com>
3856
3857         * doc/extend.texi (Common Type Attributes): Document vector_size.
3858         (Common Variable Attributes): Mention size constraint.  Correct
3859         quoting and typos.
3860         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3861         base type and size constraints.
3862
3863 2019-03-25  Richard Biener  <rguenther@suse.de>
3864
3865         PR tree-optimization/89789
3866         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3867         changes from non-undefined back to undefined.
3868
3869 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3870
3871         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3872         heap string and a gc string, but since this variable is unknown to
3873         ggc the gc string might get reused and corrupted. Fixed by always
3874         using a heap string.
3875
3876 2019-03-25  Richard Biener  <rguenther@suse.de>
3877
3878         PR tree-optimization/89779
3879         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3880         to remove IV defs, delay actual removal.
3881         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3882         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3883         very end, properly also reset loop control IV information.
3884
3885 2019-03-25  Richard Biener  <rguenther@suse.de>
3886
3887         PR tree-optimization/89802
3888         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3889         move EH data to folded stmt.
3890
3891 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3892
3893         * config/s390/s390-builtin-types.def: Remove few unused types and
3894         fix sort order for others.
3895
3896 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3897
3898         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3899         expected and found types with -mdebug during builtin matching.
3900
3901 2019-03-25  Richard Biener  <rguenther@suse.de>
3902
3903         PR middle-end/89790
3904         * fold-const.c (operand_equal_p): Revert last change with
3905         updated comment.
3906
3907 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3908
3909         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3910         notes for the result of the __tls_get_addr calls.
3911         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3912
3913 2019-03-24  Jeff Law  <law@redhat.com>
3914
3915         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3916
3917         PR rtl-optimization/87761
3918         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3919         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3920         as needed.
3921         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3922         rescans.  Reprocess blocks as needed, calling df_analyze before
3923         reprocessing.  Always call df_analyze before fixing up debug bind
3924         insns.
3925
3926 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3927
3928         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3929         big endian.
3930
3931 2019-03-22  Andrew Pinski  <apinski@marvell.com>
3932
3933         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
3934         attrribute for uxtw.
3935
3936 2019-03-26  Jeff Law  <law@redhat.com>
3937
3938         PR rtl-optimization/87761
3939         * config/mips/mips-protos.h (mips_split_move): Add new argument.
3940         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
3941         (mips_split_move): Accept new INSN argument.  Try to forward SRC
3942         into the next instruction.
3943         (mips_split_move_insn): Pass INSN through to mips_split_move.
3944
3945 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3946
3947         PR rtl-optimization/89676
3948         * lra-constraints.c (curr_insn_transform): Do match reload for
3949         early clobbers even if the match was successful.
3950
3951 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR c++/87481
3954         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
3955
3956 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
3957
3958         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
3959
3960 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
3961
3962         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
3963         <avx512>_fmsub_<mode>_mask3<round_name>,
3964         <avx512>_fnmadd_<mode>_mask3<round_name>,
3965         <avx512>_fnmsub_<mode>_mask3<round_name>,
3966         avx512f_vmfmadd_<mode>_mask3<round_name>,
3967         avx512f_vmfmsub_<mode>_mask3<round_name>,
3968         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
3969         instead of register_operand and %v instead of v for match_operand 1.
3970         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
3971         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
3972         <round_nimm_predicate> instead of register_operand and %v instead of v
3973         for match_operand 1.
3974
3975         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
3976         <avx512>_fmadd_<mode>_mask3<round_name>,
3977         <avx512>_fmsub_<mode>_mask<round_name>,
3978         <avx512>_fmsub_<mode>_mask3<round_name>,
3979         <avx512>_fnmadd_<mode>_mask<round_name>,
3980         <avx512>_fnmadd_<mode>_mask3<round_name>,
3981         <avx512>_fnmsub_<mode>_mask<round_name>,
3982         <avx512>_fnmsub_<mode>_mask3<round_name>,
3983         <avx512>_fmaddsub_<mode>_mask<round_name>,
3984         <avx512>_fmaddsub_<mode>_mask3<round_name>,
3985         <avx512>_fmsubadd_<mode>_mask<round_name>,
3986         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
3987         <round_nimm_predicate> instead of nonimmediate_operand.
3988         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
3989         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
3990         Use register_operand instead of <round_nimm_predicate> for the
3991         operand that needs to match output.
3992         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
3993         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
3994         Likewise.  Formatting fixes.
3995
3996         PR target/89784
3997         * config/i386/i386.c (enum ix86_builtins): Remove
3998         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
3999         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4000         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4001         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4002         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4003         __builtin_ia32_vfmsubss3_mask3): New builtins.
4004         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4005         avx512f_vmfmadd_<mode>_mask3<round_name>,
4006         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4007         *avx512f_vmfmsub_<mode>_mask<round_name>,
4008         avx512f_vmfmsub_<mode>_mask3<round_name>,
4009         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4010         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4011         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4012         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4013         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4014         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4015         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4016         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4017         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4018         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4019         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4020         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4021         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4022         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4023         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4024         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4025         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4026         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4027         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4028         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4029         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4030         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4031         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4032         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4033         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4034         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4035         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4036         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4037
4038 2019-03-21  Martin Sebor  <msebor@redhat.com>
4039
4040         PR tree-optimization/89350
4041         * builtins.c (compute_objsize): Also ignore offsets whose upper
4042         bound is negative.
4043         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4044         (builtin_memref::builtin_memref): Initialize new member.
4045         Allow EXPR to be null.
4046         (builtin_memref::extend_offset_range): Replace local with a member.
4047         Avoid assuming pointer offsets are unsigned.
4048         (builtin_memref::set_base_and_offset): Determine base object
4049         before computing offset range.
4050         (builtin_access::builtin_access): Handle memset.
4051         (builtin_access::generic_overlap): Replace local with a member.
4052         (builtin_access::strcat_overlap): Same.
4053         (builtin_access::overlap): Same.
4054         (maybe_diag_overlap): Same.
4055         (maybe_diag_access_bounds): Same.
4056         (wrestrict_dom_walker::check_call): Handle memset.
4057         (check_bounds_or_overlap): Same.
4058
4059 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4060             Jakub Jelinek  <jakub@redhat.com>
4061
4062         PR lto/89692
4063         * tree.c (fld_type_variant, fld_incomplete_type_of,
4064         fld_process_array_type): Call fld->pset.add and don't call
4065         add_tree_to_fld_list if it returns true.
4066         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4067         non-marked types from TYPE_NEXT_VARIANT list.
4068         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4069
4070 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4071
4072         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4073         to false, if true, don't alloc_entries during construction, but defer
4074         it to the first method that needs m_entries allocated.
4075         (hash_table::hash_table, hash_table::~hash_table,
4076         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4077         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4078         hash_table::clear_slot, hash_table::traverse_noresize,
4079         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4080         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4081         false.
4082         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4083         NO_INSERT instead of find_with_hash.
4084         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4085         hash_set::m_table): Add Lazy to template params of hash_table.
4086         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4087         * attribs.c (test_attribute_exclusions): Likewise.
4088         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4089         hash_set.  Add tests for hash_set with Lazy = true.
4090
4091 2019-03-21  Richard Biener  <rguenther@suse.de>
4092
4093         PR tree-optimization/89779
4094         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4095         checks with respect to released SSA names now having error_mark_node
4096         type.
4097         * fold-const.c (operand_equal_p): Likewise.
4098
4099 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4100
4101         PR target/89775
4102         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4103         available to ...
4104         (s390_optimize_register_info): Use global_not_special_regno_p to
4105         check for global regs.
4106
4107 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4108
4109         PR target/89752
4110         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4111         update this_alternative nor this_alternative_set.
4112
4113 2019-03-19  Jim Wilson  <jimw@sifive.com>
4114
4115         PR target/89411
4116         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4117         align, size, offset.  Use them to handle a BLKmode reference.  Update
4118         comment.
4119         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4120
4121 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4122
4123         PR rtl-optimization/89768
4124         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4125         instead of GEN_INT.
4126         (unroll_loop_runtime_iterations): Likewise.
4127
4128 2019-03-19  Martin Sebor  <msebor@redhat.com>
4129
4130         PR tree-optimization/89644
4131         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4132         rather than endptr as an indicator of nul-termination.
4133
4134         PR tree-optimization/89644
4135         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4136         arrays in determining sequence sizes in strncpy and stpncpy.
4137
4138 2019-03-19  Martin Liska  <mliska@suse.cz>
4139
4140         PR middle-end/89737
4141         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4142         unlikely_edges if there's an edge that belongs to both these sets.
4143
4144 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4145
4146         PR target/89746
4147         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4148         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4149         go via a stack temporary.
4150
4151 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4152
4153         PR target/89378
4154         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4155         instead of gen_rtx_SUBREG.
4156         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4157
4158 2019-03-19  Richard Biener  <rguenther@suse.de>
4159
4160         PR debug/88389
4161         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4162
4163 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4164
4165         PR lto/87809
4166         PR lto/89335
4167         * tree.c (free_lang_data_in_decl): Do not free context of C++
4168         destrutors.
4169
4170 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4171
4172         PR target/89506
4173         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4174         subs for the first alternative except when operands[3] is 1.
4175
4176         PR target/89752
4177         * gimplify.c (gimplify_asm_expr): For output argument with
4178         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4179         diagnose error.
4180
4181 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4182
4183         PR rtl-optimization/89753
4184         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4185         explicit unrolling factor even more robust.
4186
4187 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4188
4189         PR target/89726
4190         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4191         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4192         signed zeros, do another copysign after the compensation.
4193
4194 2019-03-18  Martin Sebor  <msebor@redhat.com>
4195
4196         PR tree-optimization/89720
4197         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4198         more conservatively, the same as anti-range.
4199
4200 2019-03-18  Richard Biener  <rguenther@suse.de>
4201
4202         PR middle-end/88945
4203         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4204         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4205         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4206         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4207
4208 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4209
4210         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4211         Extend queue to 1024 entries.
4212         Add "consumed" field.
4213         (gomp_print_output): Remove print_index parameter.
4214         Add final parameter.
4215         Change limit to unsigned.
4216         Use consumed field to implement circular buffer.
4217         Detect interrupted print in final pass.
4218         Flush output at the end.
4219         (run): Update gomp_print_output usage.
4220         (main): Initialize kernargs->output_data.consumed.
4221
4222 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4223
4224         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4225         calculation of the minimum number of scalar iterations for
4226         fully-predicated loops.
4227
4228 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4229
4230         PR tree-optimization/89546
4231         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4232         any propagation to its children took place.
4233
4234 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4235
4236         PR target/89627
4237         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4238         parameter, and make use of it.
4239         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4240
4241 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4242
4243         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4244         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4245         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4246         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4247         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4248         match what the ops is doing.
4249         (push_multi_fp_blink): Likewise.
4250         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4251         compiling for size and elf target.
4252         (arc_save_callee_enter): Adjust note to match what enter/leave
4253         operation does.
4254
4255 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4256
4257         * config/arc/arc.md (tst_movb): Fix constraint.
4258
4259 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4260
4261         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4262
4263 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4264
4265         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4266         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4267         reg_alloc_order references.
4268         (size_alloc_order): Define.
4269         (arc_adjust_reg_alloc_order): New function.
4270         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4271         order.
4272         (ADJUST_REG_ALLOC_ORDER): Define.
4273         (HONOR_REG_ALLOC_ORDER): Likewise.
4274
4275 2019-03-18  Richard Biener  <rguenther@suse.de>
4276
4277         PR target/87561
4278         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4279         loads and stores a bit more.
4280
4281 2019-03-18  Richard Biener  <rguenther@suse.de>
4282
4283         PR target/87561
4284         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4285         load pessimization to stores as well.
4286
4287 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4288
4289         PR middle-end/86979
4290         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4291         successor, use NULL as its av set.
4292
4293 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4294
4295         PR rtl-optimization/89721
4296         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4297
4298 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4299
4300         PR target/87532
4301         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4302         When handling vec_extract, use modular arithmetic to allow
4303         constant selectors greater than vector length.
4304         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4305         V1TImode vectors to have constant selector values greater than 0.
4306         Use modular arithmetic to compute vector index.
4307         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4308         index for in-memory vectors.  Correct code generation for
4309         in-register vectors.
4310         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4311         compute index.
4312
4313 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4314
4315         PR c++/88534
4316         PR c++/88537
4317         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4318         VAR_DECL args.
4319
4320 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4321
4322         PR c++/89709
4323         * tree.c (inchash::add_expr): Strip any location wrappers.
4324         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4325         after hash verification.
4326
4327         PR debug/89704
4328         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4329         SIGN_EXTEND and ZERO_EXTEND.
4330
4331 2019-03-14  Jason Merrill  <jason@redhat.com>
4332             Jakub Jelinek  <jakub@redhat.com>
4333
4334         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4335         than if is_empty (*slot).
4336         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4337         existing elt and for elt removal.
4338         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4339         of already removed elt.
4340
4341 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4342
4343         PR target/89650
4344         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4345         REG_EH_REGION note.
4346
4347 2019-03-14  Martin Liska  <mliska@suse.cz>
4348
4349         PR other/89712
4350         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4351
4352 2019-03-14  Richard Biener  <rguenther@suse.de>
4353
4354         PR target/89711
4355         * config/i386/i386.c (make_resolver_func): Properly set
4356         DECL_CONTEXT on the RESULT_DECL.
4357         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4358
4359 2019-03-14  Richard Biener  <rguenther@suse.de>
4360
4361         * gimple-pretty-print.c: Include cfgloop.h.
4362         (dump_gimple_phi): Adjust.
4363         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4364         (pp_cfg_jump): Adjust.
4365         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4366         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4367         (lower_phi_internal_fn): Remove.
4368         (verify_gimple_call): Remove IFN_PHI special-casing.
4369         (dump_function_to_file): Dump IL state.
4370         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4371         done to deal with PHI nodes being present in non-SSA state.
4372
4373 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4374
4375         PR ipa/89684
4376         * multiple_target.c (create_dispatcher_calls): Change
4377         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4378         In the node->iterate_referring loop, push *ref rather than ref, call
4379         ref->remove_reference () and always pass 0 to iterate_referring.
4380
4381         PR rtl-optimization/89679
4382         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4383         would contain a paradoxical SUBREG.
4384
4385 2019-03-14  Richard Biener  <rguenther@suse.de>
4386
4387         PR tree-optimization/89710
4388         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4389         safe_dyn_cast.
4390
4391 2019-03-14  Martin Liska  <mliska@suse.cz>
4392
4393         * coverage.c (coverage_begin_function): Stream also
4394         end_column.
4395         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4396         documentation about function declaration location.
4397         * gcov-dump.c (tag_function): Print whole range
4398         of function declaration.
4399         * gcov.c (struct function_info): Add end_column field.
4400         (function_info::function_info): Initialize it.
4401         (output_json_intermediate_file): Output {start,end}_column
4402         fields.
4403         (read_graph_file): Read end_column.
4404
4405 2019-03-14  Richard Biener  <rguenther@suse.de>
4406
4407         PR middle-end/89698
4408         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4409         that the access types are similar.
4410
4411 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4412
4413         PR tree-optimization/89703
4414         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4415         aren't compatible also with builtin_decl_explicit.  Check pure
4416         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4417         and BUILT_IN_STPNCPY{,_CHK}.
4418
4419 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4420
4421         PR target/89523
4422         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4423         addr32 prefix to VSIB address for X32.
4424         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4425         "%M2" to opcode.
4426         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4427         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4428         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4429         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4430         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4431         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4432         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4433         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4434         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4435         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4436         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4437         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4438         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4439         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4440         (*avx512f_scatterdi<mode>): Likewise.
4441
4442 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4443
4444         PR target/85860
4445         * lra-constraints.c (inherit_in_ebb): Update
4446         potential_reload_hard_regs along with live_hard_regs.
4447
4448 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4449
4450         PR debug/89498
4451         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4452         DWARF_OFFSET_SIZE.
4453         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4454
4455 2019-03-13  Martin Sebor  <msebor@redhat.com>
4456
4457         PR tree-optimization/89662
4458         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4459         has a size.
4460
4461 2019-03-13  Richard Biener  <rguenther@suse.de>
4462
4463         PR middle-end/89677
4464         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4465         throw FP expressions at tree-affine.
4466
4467 2019-03-14  Richard Biener  <rguenther@suse.de>
4468
4469         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4470         dump negative integer constants using _Literal (type) -num.
4471
4472 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4473
4474         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4475         nonlocal_value member.
4476
4477         PR middle-end/88588
4478         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4479         (ipa_simd_modify_function_body): Handle PHIs.
4480
4481 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4482
4483         * config/s390/s390.c (s390_option_override_internal): Use more
4484         aggressive inlining parameters.
4485
4486 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4487
4488         * config/s390/3906.md: New file.
4489         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4490         (LONGRUNNING_THRESHOLD): Remove.
4491         (MAX_SCHED_MIX_SCORE): Decrease.
4492         (MAX_SCHED_MIX_DISTANCE): Decrease.
4493         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4494         (struct s390_sched_state): New struct to hold scheduling state.
4495         (S390_SCHED_STATE_NORMAL): Remove.
4496         (S390_SCHED_STATE_CRACKED): Remove.
4497         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4498         (s390_get_sched_attrmask): Use new attribute.
4499         (s390_get_unit_mask): Use new units.
4500         (s390_is_fpd): New function.
4501         (s390_is_fxd): New function.
4502         (s390_is_longrunning): New function.
4503         (s390_sched_score): Use new functions.
4504         (s390_sched_reorder): Likewise.
4505         (s390_sched_variable_issue): Rework and use new functions.
4506         (s390_sched_init): Use new functions.
4507         * config/s390/s390.h (s390_tune_attr):  Add z14.
4508         * config/s390/s390.md: Add z14.
4509
4510 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4511
4512         * config/s390/2964.md: Update pipeline description.
4513         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4514         (LONGRUNNING_THRESHOLD): Remove.
4515         (LATENCY_FACTOR): Remove.
4516         (s390_get_unit_mask): Add unit.
4517         (s390_sched_score): Use fxd/fpd.
4518         (s390_sched_variable_issue): Use fxd/fpd.
4519
4520 2019-03-12  Martin Liska  <mliska@suse.cz>
4521
4522         * config/i386/i386.c: Reword an error message.
4523
4524 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4525
4526         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4527         terminate with newline.
4528
4529 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4530
4531         PR target/52726
4532         * config/s390/s390.md (tabort): Use %wd instead of
4533         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4534         letters and periods.
4535         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4536         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4537         's with %< and %>.
4538
4539         PR middle-end/89663
4540         * builtins.c (expand_builtin_int_roundingfn,
4541         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4542         gcc_unreachable if validate_arglist fails.
4543
4544 2019-03-12  Richard Biener  <rguenther@suse.de>
4545
4546         PR tree-optimization/89664
4547         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4548         free the occurance tree after the early out.
4549
4550 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4551
4552         PR middle-end/89655
4553         PR bootstrap/89656
4554         * vr-values.c (vr_values::update_value_range): If
4555         old_vr->varying_p (), don't update it, make new_vr also VARYING
4556         and return false.
4557
4558 2019-03-11  Martin Liska  <mliska@suse.cz>
4559
4560         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4561         Fix double string quoting.
4562
4563 2019-03-11  Martin Liska  <mliska@suse.cz>
4564
4565         * collect-utils.c (collect_wait): Wrap apostrophes
4566         in gcc internal format with %'.
4567         * collect2.c (main): Likewise.
4568         (scan_prog_file): Likewise.
4569         (scan_libraries): Likewise.
4570         * config/i386/i386.c (ix86_expand_call): Likewise.
4571         (ix86_handle_interrupt_attribute): Likewise.
4572         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4573         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4574         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4575         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4576         * symtab.c (symtab_node::verify_base): Likewise.
4577         * tree-cfg.c (verify_gimple_label): Likewise.
4578         * tree.c (verify_type_variant): Likewise.
4579
4580 2019-03-11  Martin Liska  <mliska@suse.cz>
4581
4582         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4583         in a string format message and fix GNU coding style.
4584         (expand_builtin_set_thread_pointer): Likewise.
4585         * common/config/aarch64/aarch64-common.c
4586         (aarch64_rewrite_selected_cpu): Likewise.
4587         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4588         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4589         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4590         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4591         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4592         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4593         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4594         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4595         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4596         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4597         Likewise.
4598         * common/config/riscv/riscv-common.c
4599         (riscv_subset_list::parsing_subset_version): Likewise.
4600         (riscv_subset_list::parse_std_ext): Likewise.
4601         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4602         (riscv_subset_list::parse): Likewise.
4603         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4604         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4605         (aarch64_override_options_internal): Likewise.
4606         (aarch64_validate_mcpu): Likewise.
4607         (aarch64_validate_march): Likewise.
4608         (aarch64_validate_mtune): Likewise.
4609         (aarch64_override_options): Likewise.
4610         * config/alpha/alpha.c (alpha_option_override): Likewise.
4611         * config/arc/arc.c (arc_init): Likewise.
4612         (parse_mrgf_banked_regs_option): Likewise.
4613         (arc_override_options): Likewise.
4614         (arc_expand_builtin_aligned): Likewise.
4615         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4616         (arm_expand_builtin): Likewise.
4617         * config/arm/arm.c (arm_option_check_internal): Likewise.
4618         (arm_configure_build_target): Likewise.
4619         (arm_option_override): Likewise.
4620         (arm_options_perform_arch_sanity_checks): Likewise.
4621         (arm_handle_cmse_nonsecure_entry): Likewise.
4622         (arm_handle_cmse_nonsecure_call): Likewise.
4623         (arm_tls_referenced_p): Likewise.
4624         (thumb1_expand_prologue): Likewise.
4625         * config/avr/avr.c (avr_option_override): Likewise.
4626         * config/bfin/bfin.c (bfin_option_override): Likewise.
4627         * config/c6x/c6x.c (c6x_option_override): Likewise.
4628         * config/cr16/cr16.c (cr16_override_options): Likewise.
4629         * config/cris/cris.c (cris_option_override): Likewise.
4630         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4631         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4632         * config/darwin.c (darwin_override_options): Likewise.
4633         * config/frv/frv.c (frv_expand_builtin): Likewise.
4634         * config/h8300/h8300.c (h8300_option_override): Likewise.
4635         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4636         (ix86_option_override_internal): Likewise.
4637         (warn_once_call_ms2sysv_xlogues): Likewise.
4638         (ix86_expand_prologue): Likewise.
4639         (split_stack_prologue_scratch_regno): Likewise.
4640         (ix86_warn_parameter_passing_abi): Likewise.
4641         * config/ia64/ia64.c (fix_range): Likewise.
4642         * config/m68k/m68k.c (m68k_option_override): Likewise.
4643         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4644         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4645         (mips_set_compression_mode): Likewise.
4646         * config/mmix/mmix.c (mmix_option_override): Likewise.
4647         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4648         * config/msp430/msp430.c (msp430_option_override): Likewise.
4649         * config/nds32/nds32.c (nds32_option_override): Likewise.
4650         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4651         (nios2_option_override): Likewise.
4652         (nios2_expand_custom_builtin): Likewise.
4653         * config/nvptx/mkoffload.c (main): Likewise.
4654         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4655         * config/pa/pa.c (fix_range): Likewise.
4656         (pa_option_override): Likewise.
4657         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4658         (riscv_option_override): Likewise.
4659         * config/rl78/rl78.c (rl78_option_override): Likewise.
4660         * config/rs6000/aix61.h: Likewise.
4661         * config/rs6000/aix71.h: Likewise.
4662         * config/rs6000/aix72.h: Likewise.
4663         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4664         * config/rs6000/freebsd64.h: Likewise.
4665         * config/rs6000/linux64.h: Likewise.
4666         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4667         (rs6000_expand_zeroop_builtin): Likewise.
4668         (rs6000_expand_mtfsb_builtin): Likewise.
4669         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4670         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4671         (rs6000_invalid_builtin): Likewise.
4672         (rs6000_expand_split_stack_prologue): Likewise.
4673         * config/rs6000/rtems.h: Likewise.
4674         * config/rx/rx.c (valid_psw_flag): Likewise.
4675         (rx_expand_builtin): Likewise.
4676         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4677         * config/s390/s390.c (s390_expand_builtin): Likewise.
4678         (s390_function_profiler): Likewise.
4679         (s390_option_override_internal): Likewise.
4680         (s390_option_override): Likewise.
4681         * config/sh/sh.c (sh_option_override): Likewise.
4682         (sh_builtin_saveregs): Likewise.
4683         (sh_fix_range): Likewise.
4684         * config/sh/vxworks.h: Likewise.
4685         * config/sparc/sparc.c (sparc_option_override): Likewise.
4686         * config/spu/spu.c (spu_option_override): Likewise.
4687         (fix_range): Likewise.
4688         * config/visium/visium.c (visium_option_override): Likewise.
4689         (visium_handle_interrupt_attr): Likewise.
4690         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4691         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4692         (dbg_cnt_process_opt): Likewise.
4693         * dwarf2out.c (output_dwarf_version): Likewise.
4694         * except.c (expand_eh_return): Likewise.
4695         * gcc.c (defined): Likewise.
4696         (driver_handle_option): Likewise.
4697         (process_command): Likewise.
4698         (compare_files): Likewise.
4699         (driver::prepare_infiles): Likewise.
4700         (driver::do_spec_on_infiles): Likewise.
4701         (driver::maybe_run_linker): Likewise.
4702         * omp-offload.c (oacc_parse_default_dims): Likewise.
4703         * opts-global.c (handle_common_deferred_options): Likewise.
4704         * opts.c (parse_sanitizer_options): Likewise.
4705         (common_handle_option): Likewise.
4706         (enable_warning_as_error): Likewise.
4707         * passes.c (enable_disable_pass): Likewise.
4708         * plugin.c (parse_plugin_arg_opt): Likewise.
4709         (default_plugin_dir_name): Likewise.
4710         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4711         (default_pch_valid_p): Likewise.
4712         * toplev.c (init_asm_output): Likewise.
4713         (process_options): Likewise.
4714         (toplev::run_self_tests): Likewise.
4715         * tree-cfg.c (verify_gimple_call): Likewise.
4716         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4717         (tree_inlinable_function_p): Likewise.
4718         * var-tracking.c (vt_find_locations): Likewise.
4719
4720 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4721
4722         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4723         only on the else branch.
4724
4725 2019-03-11  Martin Liska  <mliska@suse.cz>
4726
4727         * gcov.c (output_intermediate_json_line): Print function
4728         name of each line.
4729         (output_json_intermediate_file): Add new argument.
4730         * doc/gcov.texi: Document the change.
4731
4732 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4733
4734         PR rtl-optimization/89588
4735         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4736         explicit unrolling factor more robust.
4737
4738 2019-03-11  Richard Biener  <rguenther@suse.de>
4739
4740         PR tree-optimization/89649
4741         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4742         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4743         on the prolog and epilog loops.
4744         (vect_loop_versioning): Return copy of loop.
4745         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4746         on the non-vectorized version of the loop.
4747
4748 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4749
4750         PR target/68924
4751         * config/i386/sse.md (*vec_extractv2di_0_sse):
4752         Add (=r,x) alternative and corresponding splitter.
4753
4754 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4755
4756         PR tree-optimization/85762
4757         PR tree-optimization/87008
4758         PR tree-optimization/85459
4759         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4760         it points to if there is a type changing MEM_REF.  Adjust all callers.
4761         (build_accesses_from_assign): Disable total scalarization if
4762         contains_vce_or_bfcref_p returns true through the new parameter, for
4763         both rhs and lhs.
4764
4765 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4766
4767         PR c/88568
4768         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4769         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4770
4771         PR target/79645
4772         * common.opt (fdiagnostics-show-labels,
4773         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4774         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4775         gas-locview-support, ginline-points, ginternal-reset-location-views):
4776         Terminate description text with a dot.
4777         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4778         * config/mcore/mcore.opt (m210, m340): Likewise.
4779         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4780         mnops=): Start description text with a capital letter.
4781         * config/arc/arc.opt (msize-level=): Likewise.
4782         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4783         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4784         mnewlib): Likewise.
4785         * config/ft32/ft32.opt (msim): Likewise.
4786         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4787         (mnodiv, mnopm): Terminate description text with a dot.
4788         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4789         a colon.
4790         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4791         Likewise.
4792         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4793         text.
4794
4795         PR rtl-optimization/89634
4796         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4797         are modified in BB_END (e->src) instruction.
4798
4799 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4800
4801         PR target/79926
4802         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4803         messages more amenable to translation, and improve wording.
4804
4805 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4806
4807         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4808         ud- and du-chains between phases.
4809
4810 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4811
4812         PR debug/89631
4813         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4814         instead of POLY_INT_CST.
4815
4816 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4817
4818         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4819         requirement.
4820
4821 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4822
4823         PR target/68924
4824         PR target/78782
4825         PR target/87558
4826         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4827         (_mm_storeu_si64): Ditto.
4828
4829 2019-03-08  Martin Liska  <mliska@suse.cz>
4830
4831         PR target/86952
4832         * config/i386/i386.c (ix86_option_override_internal): Disable
4833         jump tables when retpolines are used.
4834
4835 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4836
4837         PR go/63560
4838         * ipa-split.c (execute_split_functions): Do not split
4839         'noinline' or 'section' function.
4840
4841 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4842
4843         PR target/79846
4844         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4845         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4846         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4847
4848         PR ipa/80000
4849         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4850         from diagnostics.  Formatting fixes.
4851
4852         PR target/85665
4853         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4854         warn_odr diagnostics.
4855
4856         PR other/80058
4857         * lra-constraints.c (process_alt_operands): Avoid one space before
4858         " at the end of line and another after " on another line in a string
4859         literal.
4860         * attribs.c (handle_dll_attribute): Likewise.
4861         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4862
4863         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4864         warning_at or inform messages in G_() if there is no ?:.
4865
4866         PR tree-optimization/89550
4867         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4868         returned true.  Formatting fixes.
4869         (expand_builtin_strnlen): Formatting fixes.
4870         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4871         if warning_at returned true.
4872         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4873
4874 2019-03-08  Richard Biener  <rguenther@suse.de>
4875
4876         PR middle-end/89578
4877         * cfgloop.h (struct loop): Add owned_clique field.
4878         * cfgloopmanip.c (copy_loop_info): Copy it.
4879         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4880         cliques.
4881         * tree-inline.c (copy_loops): Remap owned_clique.
4882         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4883         * lto-streamer-out.c (output_cfg): Likewise.
4884
4885 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4886
4887         PR target/80190
4888         * config/darwin.c: Include intl.h.
4889         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4890         composing the message out of two separate parts.
4891
4892 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4893
4894         PR target/80003
4895         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4896         doesn't start with a capital letter and doesn't end with a dot.
4897         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4898         with a capital letter.
4899         (ix86_mangle_function_version_assembler_name): Likewise.
4900         (ix86_generate_version_dispatcher_body): Likewise.
4901         (fold_builtin_cpu): Likewise.
4902         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4903         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4904         translators, wrap full type name in %qs.
4905
4906         PR translation/79999
4907         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4908         depend clause with source (or sink) modifier.
4909         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4910
4911         PR target/89602
4912         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4913         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4914         (avx512f_load<mode>_mask): New define_expand.
4915         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4916         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4917         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4918         __builtin_ia32_movess_mask): New builtins.
4919         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4920         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4921         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4922         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4923
4924 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4925
4926         PR lto/87525
4927         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4928         for extern inline functions.
4929
4930 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4931
4932         PR ipa/88235
4933         * cgraph.h (cgraph_node): New inline method former_thunk_p.
4934         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
4935         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
4936         have multiple callees.  At the end check if declarations match as
4937         opposed to cgraph_nodes.
4938
4939 2019-03-07  Martin Liska  <mliska@suse.cz>
4940
4941         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
4942         which is equivalent to searching for this in clones chain.
4943         * symtab.c (symtab_node::verify_base): Similarly compare ASM
4944         names with a neighbour and special case first node in a chain.
4945
4946 2019-01-25  Jason Merrill  <jason@redhat.com>
4947
4948         PR c++/80916 - spurious "static but not defined" warning.
4949         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
4950         for an internal symbol with DECL_EXTERNAL.
4951
4952 2019-04-07  Richard Biener  <rguenther@suse.de>
4953
4954         PR middle-end/89618
4955         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
4956         * tree-inline.c (copy_loops): Simplify.
4957
4958 2019-03-07  Martin Liska  <mliska@suse.cz>
4959
4960         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
4961
4962 2019-03-07  Richard Biener  <rguenther@suse.de>
4963
4964         PR tree-optimization/89595
4965         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
4966         stmt iterator as reference, take boolean output parameter to
4967         indicate whether the stmt was removed and thus the iterator
4968         already advanced.
4969         (dom_opt_dom_walker::before_dom_children): Re-iterate over
4970         stmts created by folding.
4971
4972 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4973
4974         PR c++/89585
4975         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
4976         at toplevel.
4977
4978 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
4979
4980         PR rtl-optimization/88845
4981         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
4982         LRA.
4983         * lra.c (remove_scratches_1): New function.
4984         (remove_scratches): Use it.
4985         (lra_emit_move): Likewise.
4986
4987 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
4988
4989         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
4990         unaligned_access variable.
4991         * config/arc/arc.c (arc_override_options): Set unaligned access
4992         default on for HS CPUs.
4993         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
4994
4995 2019-03-06  Martin Liska  <mliska@suse.cz>
4996
4997         PR gcov-profile/89577
4998         * doc/gcov.texi: Prefer to use --coverage.
4999         * doc/sourcebuild.texi: Likewise.
5000
5001 2019-03-02  Jason Merrill  <jason@redhat.com>
5002
5003         PR c++/86485 - -Wmaybe-unused with empty class ?:
5004         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5005
5006 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5007
5008         PR target/89587
5009         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5010         if_multiarch.
5011
5012         PR middle-end/89590
5013         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5014         exactly one argument.
5015
5016 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5017             Richard Sandiford  <richard.sandiford@arm.com>
5018
5019         PR tree-optimization/89570
5020         * match.pd (vec_cond into cond_op simplification): Don't use
5021         get_conditional_internal_fn, use as_internal_fn (cond_op).
5022
5023 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5024
5025         PR target/89222
5026         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5027         to decide when to split off a non-zero offset from a symbol.
5028         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5029         in function symbols.
5030
5031 2019-03-05  Richard Biener  <rguenther@suse.de>
5032
5033         PR tree-optimization/89594
5034         * tree-if-conv.c (pass_if_conversion::execute): Handle
5035         case where .LOOP_VECTORIZED_FUNCTION was removed.
5036
5037 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5038
5039         PR bootstrap/89560
5040         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5041         instead alloca it only when needed with the needed size.
5042
5043         PR tree-optimization/89570
5044         * match.pd (vec_cond into cond_op simplification): Guard with
5045         vectorized_internal_fn_supported_p test and #if GIMPLE.
5046
5047         PR tree-optimization/89566
5048         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5049         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5050         Punt if get_user_idx_format succeeds, but idx_format argument is
5051         not provided or doesn't have pointer type, or if idx_args is above
5052         number of provided arguments.
5053
5054 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5055
5056         PR tree-optimization/89437
5057         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5058
5059 2019-03-04  Richard Biener  <rguenther@suse.de>
5060
5061         PR middle-end/89572
5062         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5063         safe_dyn_cast.
5064
5065 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5066
5067         PR tree-optimization/89487
5068         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5069         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5070         (distribute_loop): Don't do runtime alias check if there is non-
5071         addressable data reference.
5072         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5073         is a register variable.
5074
5075 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5076
5077         PR target/89506
5078         * config/arm/arm.md (cmpsi2_addneg): Use
5079         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5080         If operands[2] is 0 or INT_MIN, force use of subs.
5081         (*compare_scc splitter): Use gen_int_mode.
5082         (*negscc): Likewise.
5083         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5084
5085 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5086             Monk Chiang  <sh.chiang04@gmail.com>
5087
5088         * common/config/riscv/riscv-common.c: Include sstream.
5089         (riscv_subset_list::to_string): New.
5090         (riscv_arch_str): Likewise.
5091         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5092         * config.in: Regen.
5093         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5094         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5095         (riscv_emit_attribute): New.
5096         (riscv_file_start): Emit attribute if needed.
5097         (riscv_option_override): Init riscv_emit_attribute_p.
5098         * config/riscv/riscv.opt (mriscv-attribute): New option.
5099         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5100         * configure: Regen.
5101         * doc/install.texi: Document --with-riscv-attribute.
5102         * doc/invoke.texi: Document -mriscv-attribute.
5103
5104         * common/config/riscv/riscv-common.c:
5105         Include config/riscv/riscv-protos.h.
5106         (INCLUDE_STRING): Defined.
5107         (RISCV_DONT_CARE_VERSION): Defined.
5108         (riscv_subset_t): Declare.
5109         (riscv_subset_t::riscv_subset_t): New.
5110         (riscv_subset_list): Declare.
5111         (riscv_subset_list::riscv_subset_list): New.
5112         (riscv_subset_list::~riscv_subset_list): Likewise.
5113         (riscv_subset_list::parsing_subset_version): Likewise.
5114         (riscv_subset_list::parse_std_ext): Likewise.
5115         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5116         (riscv_subset_list::add): Likewise.
5117         (riscv_subset_list::lookup): Likewise.
5118         (riscv_subset_list::xlen): Likewise.
5119         (riscv_subset_list::parse): Likewise.
5120         (riscv_supported_std_ext): Likewise.
5121         (current_subset_list): Likewise.
5122         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5123         parse.
5124
5125 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5126
5127         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5128         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5129         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5130
5131 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5132
5133         PR rtl-optimization/85899
5134         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5135         fallthru edges leading to the exit block.
5136
5137 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5138
5139         PR target/89517
5140         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5141         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5142
5143 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5144
5145         PR tree-optimization/89535
5146         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5147         for each operand.  Calculate the fallback choice for mask operands
5148         and pass it to vect_get_vec_def_for_operand.
5149
5150 2019-03-01  Richard Biener  <rguenther@suse.de>
5151
5152         PR middle-end/89541
5153         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5154         get virtual operands.
5155         (get_expr_operands): Handle CONST_DECL like other decls.
5156
5157 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5158
5159         PR middle-end/89503
5160         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5161         on DECL_P and EXPR_P.
5162
5163 2019-03-01  Richard Biener  <rguenther@suse.de>
5164
5165         PR middle-end/89497
5166         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5167         argument, defaulted to zero.
5168         * passes.c (execute_function_todo): Pass down SSA update flags
5169         to cleanup_tree_cfg.
5170         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5171         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5172         form if requested.
5173         (cleanup_tree_cfg): Get and pass down SSA update flags.
5174
5175 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5176
5177         PR bootstrap/89539
5178         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5179         early_lto_debug argument.
5180
5181 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5182
5183         PR tree-optimization/89536
5184         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5185         only whether bit #0 of the value is 0 instead of the entire value.
5186
5187 2019-02-28  Marek Polacek  <polacek@redhat.com>
5188
5189         PR c++/87068 - missing diagnostic with fallthrough statement.
5190         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5191         at the end of a seq, save its location to walk_stmt_info.
5192         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5193         a switch.
5194
5195 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5196
5197         PR lto/88585
5198         * tree.c (find_atomic_core_type): Move ahead in file.
5199         (check_base_type): Correctly compare alignments of atomic types.
5200
5201 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5202
5203         PR target/89455
5204         * config/i386/i386.c (get_builtin_code_for_version): Identify
5205         Westmere from PCLMUL, instead of AES.
5206
5207 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5208
5209         PR target/89434
5210         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5211         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5212         -UINTVAL (...).
5213
5214 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5215
5216         PR target/88530
5217         * config/aarch64/aarch64-option-extensions.def: Document it.
5218         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5219         if empty hwcaps.
5220
5221 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5222
5223         PR c/89520
5224         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5225         builtins if they don't have a single scalar floating point argument.
5226         Formatting fixes.
5227
5228 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5229
5230         PR rtl-optimization/89490
5231         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5232         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5233         block section is not mergeable.
5234
5235 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5236
5237         PR target/70341
5238         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5239         old define_insn to ...
5240         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5241         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5242         Rename old define_insn to ...
5243         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5244         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5245         define_insn to ...
5246         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5247         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5248         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5249
5250 2019-02-27  Richard Biener  <rguenther@suse.de>
5251
5252         PR debug/88878
5253         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5254
5255 2019-02-27  Richard Biener  <rguenther@suse.de>
5256
5257         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5258         building.
5259
5260 2019-02-27  Richard Biener  <rguenther@suse.de>
5261
5262         PR debug/88878
5263         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5264         parameter, prefix section name with .gnu.debuglto_ if true.
5265         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5266         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5267
5268 2019-02-27  Richard Biener  <rguenther@suse.de>
5269
5270         PR debug/89514
5271         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5272         rather than on use_debug_types, doing what output_die does.
5273         (value_format): Likewise.
5274
5275 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5276             Martin Sebor  <msebor@redhat.com>
5277
5278         * doc/invoke.texi (Warning Options): Reword description of
5279         -Wno-absolute-value.
5280
5281 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5282
5283         PR tree-optimization/89280
5284         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5285         builtin_setjmp_setup_bb): New functions.
5286         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5287         When visiting __builtin_setjmp_setup block, queue in special
5288         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5289         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5290         from visited after the loop if they don't have any visited successor
5291         blocks.
5292
5293 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5294
5295         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5296         New function.
5297         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5298
5299 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5300
5301         PR c++/89507
5302         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5303         with types other than sizetype/ssizetype.
5304
5305 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5306
5307         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5308         (enum sparc_processor_type): ...this.
5309         (enum sparc_code_model_type): New enumeration type.
5310         (enum sparc_memory_model_type): Tweak comments.
5311         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5312         (mtune): Likewise.
5313         (mcmodel): Use sparc_code_model enumeration and variable.
5314         (sparc_code_model): New enumeration.
5315         (mdebug): Add Undocumented marker.
5316         * config/sparc/sparc.h (enum cmodel): Delete.
5317         (sparc_cmodel): Likewise.
5318         (TARGET_CM_MEDLOW): Adjust to above renaming.
5319         (TARGET_CM_MEDMID): Likewise.
5320         (TARGET_CM_MEDANY): Likewise.
5321         (TARGET_CM_EMBMEDANY): Likewise.
5322         * config/sparc/sparc.c (sparc_cmodel): Delete.
5323         (sparc_option_override): Remove string/value mapping support for the
5324         code model.  Move code and memory model support to after the handling
5325         of target flags.  Do private machine setup last.
5326         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5327         (sparc_legitimize_reload_address): Likewise.
5328         (sparc_output_mi_thunk): Likewise.
5329         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5330
5331 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5332
5333         PR tree-optimization/89500
5334         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5335         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5336         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5337         cst if the first cst bytes starting at x are known to be non-zero,
5338         even if the string is not zero terminated.  Don't try to modify
5339         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5340         we can prove strnlen returns the same value as strlen would.
5341
5342 2019-02-26  Martin Liska  <mliska@suse.cz>
5343
5344         * alloc-pool.h (struct pool_usage): Remove extra
5345         print_dash_line.
5346         * bitmap.h (struct bitmap_usage): Likewise.
5347         * ggc-common.c (struct ggc_usage): Likewise.
5348         * mem-stats.h (struct mem_usage): Likewise.
5349         (mem_alloc_description::dump): Print dash lines
5350         here and repeat header at the end of a table report.
5351         It's then more readable.
5352         * tree-phinodes.c (phinodes_print_statistics): Make
5353         horizontal alignment.
5354         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5355         * vec.c (struct vec_usage): Remove extra print_dash_line.
5356         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5357
5358 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5359
5360         * doc/extend.texi (__builtin_object_size):
5361         Use @pxref instead of @xref inside parenthesis.
5362         (__builtin_has_attribute): Add missing comma after @xref.
5363         (__builtin_object_size): Ditto.
5364         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5365         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5366         in the list.
5367
5368 2019-02-26  Jeff Law  <law@redhat.com>
5369
5370         PR rtl-optimization/87761
5371         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5372         detect obviously dead insns and delete them.
5373
5374 2019-02-26  Richard Biener  <rguenther@suse.de>
5375
5376         PR tree-optimization/89505
5377         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5378         to handle restrict pointed-to vars with multiple subvars
5379         correctly.
5380
5381 2019-02-26  Richard Biener  <rguenther@suse.de>
5382
5383         PR tree-optimization/89489
5384         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5385
5386 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5387
5388         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5389         and move around comment.
5390         <BIT_AND_EXPR>: Likewise.
5391         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5392
5393 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5394
5395         PR target/89474
5396         * config/i386/i386.c (remove_partial_avx_dependency): Call
5397         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5398         after changing possibly many instructions to use that pseudo.  Fix up
5399         insertion of v4sf_const0 setter at the start of bb.
5400
5401 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5402
5403         PR c/80409
5404         * doc/extend.texi (Variadic Pointer Args): New section.
5405
5406 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5407             Martin Sebor  <msebor@gmail.com>
5408
5409         * common.opt (Wattribute-alias): Likewise.
5410         * doc/invoke.texi (Option Summary): List general form of
5411         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5412         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5413         Add cross-references.
5414         (-Wattribute-alias): Rewrite and correct default.  Mention
5415         considered attributes (same as for -Wmissing-attributes).
5416
5417 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5418
5419         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5420         (_mm_cvtpd_ps): Likewise.
5421         (_mm_cvttpd_epi32): Likewise.
5422
5423         PR target/89338
5424         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5425         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5426
5427         PR target/89339
5428         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5429
5430 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5431
5432         PR target/88530
5433         * common/config/aarch64/aarch64-common.c
5434         (struct aarch64_option_extension): Add is_synthetic.
5435         (all_extensions): Use it.
5436         (TARGET_OPTION_INIT_STRUCT): Define hook.
5437         (struct gcc_targetm_common): Moved to end.
5438         (all_extensions_by_on): New.
5439         (opt_ext_cmp, typedef opt_ext): New.
5440         (aarch64_option_init_struct): New.
5441         (aarch64_contains_opt): New.
5442         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5443         * config/aarch64/aarch64-option-extensions.def
5444         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5445         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5446         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5447         Set is_synthetic to false.
5448         (crypto): Set is_synthetic to true.
5449         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5450         SYNTHETIC.
5451
5452 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5453
5454         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5455         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5456         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5457         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5458         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5459         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5460         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5461         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5462         Rename ...
5463         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5464         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5465         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5466         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5467         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5468         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5469         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5470         vfmlsl_laneq_high_f16): ... To this.
5471         * config/arm/neon.md: Update comments.
5472
5473 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5474
5475         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5476         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5477         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5478         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5479         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5480         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5481         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5482         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5483         Rename ...
5484         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5485         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5486         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5487         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5488         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5489         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5490         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5491         vfmlslq_laneq_high_f16): ... To this.
5492
5493 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5494
5495         PR rtl-optimization/86096
5496         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5497         comparing mw_order values.
5498
5499 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5500
5501         PR target/89434
5502         * config/arm/arm.md (*subsi3_carryin_const): Use
5503         arm_neg_immediate_operand predicate instead of
5504         arm_not_immediate_operand, "L" constraint instead of "K" and
5505         print it using %n2 instead of %B2.
5506         (*subsi3_carryin_const0): New define_insn.
5507         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5508         instead of arm_not_operand and "I" constraint instead of "K" and
5509         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5510         another match_operand and in the condition check that it is negation
5511         of operands[2].
5512         (*subsi3_carryin_compare_const0): New define_ins.
5513         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5514         *subsi3_carryin_const.
5515         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5516         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5517
5518         PR target/89438
5519         * config/arm.vfp.md (*negdf2_vfp): Use
5520         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5521         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5522
5523 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5524
5525         PR rtl-optimization/89445
5526         * simplify-rtx.c (simplify_ternary_operation): Don't use
5527         simplify_merge_mask on operands that may trap.
5528         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5529         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5530         second operand is CONST_VECTOR, check if any element could be zero.
5531         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5532         their operands can trap.
5533
5534 2019-02-23  Martin Sebor  <msebor@redhat.com>
5535
5536         * gimple-ssa-sprintf.c (target_strtol): Rename...
5537         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5538         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5539         check for range error.
5540
5541 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5542
5543         PR driver/69471
5544         * opts-common.c (prune_options): Also prune joined switches
5545         with Negative and RejectNegative.
5546         * config/i386/i386.opt (march=): Add Negative(march=).
5547         (mtune=): Add Negative(mtune=).
5548         * doc/options.texi: Document Negative used together with Joined
5549         and RejectNegative.
5550
5551 2019-02-22  Martin Sebor  <msebor@redhat.com>
5552
5553         * doc/extend.texi (Other Builtins): Add
5554         __builtin_is_constant_evaluated.
5555
5556 2019-02-22  Richard Biener  <rguenther@suse.de>
5557
5558         PR tree-optimization/87609
5559         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5560
5561 2019-02-22  Jeff Law  <law@redhat.com>
5562
5563         PR rtl-optimization/87761
5564         * config/mips/mips.md: Add new combiner pattern to recognize
5565         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5566
5567 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5568
5569         PR target/89324
5570         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5571         destination register in peepholes generating patterns for ADDS/SUBS.
5572         (add<mode>3_compare0,
5573         *addsi3_compare0_uxtw, add<mode>3_compareC,
5574         add<mode>3_compareV_imm, add<mode>3_compareV,
5575         *adds_<optab><ALLX:mode>_<GPI:mode>,
5576         *subs_<optab><ALLX:mode>_<GPI:mode>,
5577         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5578         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5579         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5580         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5581         sub<mode>3_compare1): Allow stack pointer for source register.
5582         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5583
5584 2019-02-22  Martin Sebor  <msebor@redhat.com>
5585
5586         PR tree-optimization/88993
5587         PR tree-optimization/88853
5588         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5589         New helper.
5590         (sprintf_dom_walker::call_info::is_string_func): New helper.
5591         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5592         for formatted string functions.
5593         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5594
5595 2019-02-22  Martin Sebor  <msebor@redhat.com>
5596
5597         PR c/89425
5598         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5599         unreachable subexpressions.
5600
5601 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5602             Hongtao Liu  <hongtao.liu@intel.com>
5603             Sunil K Pandey  <sunil.k.pandey@intel.com>
5604
5605         PR target/87007
5606         * config/i386/i386-passes.def: Add
5607         pass_remove_partial_avx_dependency.
5608         * config/i386/i386-protos.h
5609         (make_pass_remove_partial_avx_dependency): New.
5610         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5611         New function.
5612         (pass_data_remove_partial_avx_dependency): New.
5613         (pass_remove_partial_avx_dependency): Likewise.
5614         (make_pass_remove_partial_avx_dependency): Likewise.
5615         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5616         (*extendsfdf2): Add avx_partial_xmm_update.
5617         (truncdfsf2): Likewise.
5618         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5619         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5620
5621 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5622
5623         PR middle-end/85598
5624         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5625         analysis for pass.
5626
5627 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5628
5629         PR target/89444
5630         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5631         (PTA_SKYLAKE): Add PTA_AES.
5632         (PTA_GOLDMONT): Likewise.
5633
5634 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5635
5636         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5637         instruction if enabled.
5638         (aarch64_override_options): Remove reference to return address key.
5639
5640 2019-02-22  Richard Biener  <rguenther@suse.de>
5641
5642         PR tree-optimization/89440
5643         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5644         not necessary assert.
5645
5646 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5647
5648         PR fortran/72741
5649         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5650         (oacc_replace_fn_attrib_attr): ... this new function.
5651         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5652         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5653
5654 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5655
5656         * config/arm/arm-cpus.in (ares): Rename to...
5657         (neoverse-n1): ... This.  Add ares as alias.
5658         * config/arm/arm-tables.opt: Regenerate.
5659         * config/arm/arm-tune.md: Likewise.
5660         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5661
5662 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5663
5664         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5665         * config/aarch64/aarch64-tune.md: Regenerate.
5666         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5667
5668 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5669
5670         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5671         (neoversen1_tunings): ... This.
5672         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5673         (neoverse-n1): New CPU.
5674         * config/aarch64/aarch64-tune.md: Regenerate.
5675         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5676
5677 2019-02-22  Richard Biener  <rguenther@suse.de>
5678
5679         PR middle-end/87609
5680         * cfghooks.h (dependence_hash): New typedef.
5681         (struct copy_bb_data): New type.
5682         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5683         (duplicate_block): Likewise.
5684         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5685         (copy_bbs): Create and pass down copy_bb_data.
5686         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5687         (rtl_duplicate_bb): Likewise.
5688         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5689         remap dependence info.
5690
5691 2019-02-22  Richard Biener  <rguenther@suse.de>
5692
5693         PR tree-optimization/87609
5694         * tree-core.h (tree_base): Document special clique values.
5695         * tree-inline.c (remap_dependence_clique): Do not use the
5696         special clique value of one.
5697         (maybe_set_dependence_info): Use clique one.
5698         (clear_dependence_clique): New callback.
5699         (compute_dependence_clique): Clear clique one from all refs
5700         before assigning it (again).
5701
5702 2019-02-21  Martin Sebor  <msebor@redhat.com>
5703
5704         * doc/extend.texi (__clear_cache): Correct signature.
5705
5706 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5707
5708         PR go/89170
5709         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5710         than output_constant_def.
5711         (add_constant_to_table): New static function.
5712         (output_constant_def): Call add_constant_to_table.
5713         (tree_output_constant_def): Likewise.
5714
5715 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5716
5717         PR c++/89285
5718         * builtins.c (fold_builtin_arith_overflow): If first two args are
5719         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5720         to ifn.
5721
5722 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5723
5724         PR target/87412
5725         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5726         error for -mindirect-branch/-mfunction-return with incompatible
5727         -fcf-protection.
5728
5729 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5730
5731         PR bootstrap/88714
5732         * constraints.md (q): Remove.
5733         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5734         instead of q.
5735
5736 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5737
5738         PR hsa/89302
5739         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5740         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5741         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5742         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5743         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5744         proper values to new parameters of omp_adjust_for_condition.
5745
5746 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5747
5748         PR middle-end/89412
5749         * expr.c (expand_assignment): If result is a MEM, use change_address
5750         instead of simplify_gen_subreg.
5751
5752 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5753             David Malcolm  <dmalcolm@redhat.com>
5754
5755         PR middle-end/89091
5756         * fold-const.c (decode_field_reference): Return NULL_TREE if
5757         lang_hooks.types.type_for_size returns NULL.  Check it before
5758         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5759
5760 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5761
5762         PR middle-end/88074
5763         PR middle-end/89415
5764         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5765         buggy mpc_norm.
5766
5767 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5768
5769         PR target/89397
5770         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5771         TARGET_SSE in addition to TARGET_SSE_MATH.
5772
5773         (ix86_excess_precision): Ditto.
5774         (ix86_float_exceptions_rounding_supported_p): Ditto.
5775         (use_rsqrt_p): Ditto.
5776         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5777
5778 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5779
5780         PR c/89410
5781         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5782         linenum_arith_t when determining if two adjacent line spans are
5783         close enough to merge.
5784         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5785         lines within each line_span.
5786
5787 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5788
5789         PR target/86487
5790         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5791         paradoxical SUBREGS.
5792
5793 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5794
5795         PR target/88100
5796         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5797         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5798         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5799         range checking it.
5800
5801 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5802
5803         * config/gcn/gcn.c (print_operand): Fix typo.
5804
5805 2019-02-19  Richard Biener  <rguenther@suse.de>
5806
5807         PR middle-end/88074
5808         * toplev.c (do_compile): Initialize mpfr's exponent range
5809         based on available float modes.
5810
5811 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5812
5813         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5814         as long as the epilogue isn't completed.
5815
5816 2019-02-18  Martin Sebor  <msebor@redhat.com>
5817
5818         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5819         __has_cpp_attribute, and __has_include.
5820
5821 2019-02-18  Martin Sebor  <msebor@redhat.com>
5822
5823         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5824
5825 2019-02-18  Martin Sebor  <msebor@redhat.com>
5826
5827         PR middle-end/89294
5828         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5829         expression.
5830         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5831
5832 2019-02-18  Richard Biener  <rguenther@suse.de>
5833
5834         PR tree-optimization/89296
5835         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5836         of no-warning flag to cases that might emit the bogus warning.
5837
5838 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5839
5840         PR bootstrap/88714
5841         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5842         "q" constraint.
5843         * config/arm/vfp.md (*movdi_vfp): Likewise.
5844         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5845         "q" constraint for operands[0].
5846
5847         PR target/89369
5848         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5849         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5850         pattern in a temporary buffer.
5851         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5852         than 64-operands[2].
5853
5854         PR target/89361
5855         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5856         s390_indirect_branch_settings): Define unconditionally.
5857         (s390_set_current_function): Likewise, but guard the whole body except
5858         the s390_indirect_branch_settings call with
5859         #if S390_USE_TARGET_ATTRIBUTE.
5860         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5861
5862         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5863         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5864         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5865         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5866         HOST_WIDE_INT_1U instead of 1ULL.
5867         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5868         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5869         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5870         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5871         instead of 1UL.
5872         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5873         instead of 1ul.
5874
5875 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5876
5877         PR tree-optimization/89209
5878         * tree-sra.c (create_access_replacement): New optional parameter
5879         reg_tree.  Use it as a type if non-NULL and access type is not of
5880         a register type.
5881         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5882         to create_access_replacement.
5883         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5884         Check lacc is non-NULL before attempting to re-create it on the RHS.
5885
5886 2019-02-18  Martin Liska  <mliska@suse.cz>
5887
5888         PR ipa/89306
5889         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5890         by default.
5891         (symbol_table::free_edge): Recycle m_summary_id.
5892         * cgraph.h (get_summary_id): New.
5893         (symbol_table::release_symbol): Set m_summary_id to -1
5894         by default.
5895         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5896         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5897         function_summary to fast_function_summary.
5898         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5899         * ipa-pure-const.c (class funct_state_summary_t):
5900         Switch from function_summary to fast_function_summary.
5901         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5902         (class ipa_ref_opt_summary_t): Switch from function_summary
5903         to fast_function_summary.
5904         * symbol-summary.h (class function_summary_base): New class
5905         that is created from base of former function_summary.
5906         (function_summary_base::unregister_hooks): New.
5907         (class function_summary): Inherit from function_summary_base.
5908         (class call_summary_base): New class
5909         that is created from base of former call_summary.
5910         (class call_summary): Inherit from call_summary_base.
5911         (struct is_same): New.
5912         (class fast_function_summary): New summary class.
5913         (class fast_call_summary): New summary class.
5914         * vec.h (vec_safe_grow_cleared): New function.
5915
5916 2019-02-18  Martin Liska  <mliska@suse.cz>
5917
5918         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5919         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5920         * doc/tm.texi: Document new target hook.
5921         * doc/tm.texi.in: Likewise.
5922         * target.def: Add new target macro.
5923         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5924         suffixes.
5925
5926 2019-02-17  Alan Modra  <amodra@gmail.com>
5927
5928         PR target/89271
5929         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
5930         output reg on add insn.
5931         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
5932
5933 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5934
5935         PR target/89372
5936         * config/i386/sse.md (ssedoublemode): Remove V4HI.
5937         (PMULHRSW): Likewise.
5938         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
5939         TARGET_AVX2.
5940         (ssse3_pmulhrswv4hi3): New expander.
5941
5942 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5943
5944         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
5945         MMX.  Add isa attribute.
5946
5947 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
5948
5949         PR rtl-optimization/66152
5950         * builtins.h (c_readstr): Declare.
5951         * builtins.c (c_readstr): Remove forward declaration.  Add
5952         null_terminated_p argument, if false, read all bytes from the
5953         string instead of stopping after '\0'.
5954         * expr.c (string_cst_read_str): New function.
5955         (store_expr): Use string_cst_read_str instead of
5956         builtin_strncpy_read_str.  Try to store by pieces the whole
5957         exp_len first, and only if that fails, split it up into
5958         store by pieces followed by clear_storage.  Formatting fix.
5959
5960         * config/i386/i386.md (*movqi_internal): Remove static from
5961         buf variable.  Use output_asm_insn (buf, operands); return "";
5962         instead of return buf;.
5963         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
5964         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
5965         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
5966
5967 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5968
5969         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
5970         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
5971         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
5972         (CC1_SPEC): Likewise.
5973         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
5974
5975 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5976
5977         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
5978         the base address on 64-bit strict-alignment platforms.
5979
5980 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5981
5982         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
5983
5984 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
5985
5986         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
5987
5988 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
5989
5990         PR rtl-optimization/88308
5991         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
5992         on copied instruction.
5993
5994 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5995
5996         * final.c (insn_current_reference_address): Replace test on JUMP_P
5997         with test on jump_to_label_p.
5998         * config/visium/visium-passes.def: New file.
5999         * config/visium/t-visium (PASSES_EXTRA): Define.
6000         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6001         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6002         (TRAMPOLINE_ALIGNMENT): Define.
6003         * config/visium/visium.c (visium_option_override): Do not register
6004         the machine-specific reorg pass here.
6005         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6006         for the GR6.
6007         (output_branch): Adjust threshold for long branch instruction.
6008         * config/visium/visium.md (cpu): Move around.
6009         (length): Adjust for the GR6.
6010
6011 2019-02-15  Richard Biener  <rguenther@suse.de>
6012             Jakub Jelinek  <jakub@redhat.com>
6013
6014         PR tree-optimization/89278
6015         * tree-loop-distribution.c: Include tree-eh.h.
6016         (generate_memset_builtin, generate_memcpy_builtin): Call
6017         rewrite_to_non_trapping_overflow on builtin->size before passing it
6018         to force_gimple_operand_gsi.
6019
6020 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6021
6022         PR other/89342
6023         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6024         optimize_debug.
6025         * opth-gen.awk: Likewise.
6026
6027 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6028
6029         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6030         Enable MMX, SSE and SSE2 by default.
6031         * config/i386/i386.c (ix86_option_override_internal): Do not
6032         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6033
6034 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6035
6036         PR rtl-optimization/89354
6037         * combine.c (make_extraction): Punt if extraction_mode is narrower
6038         than len bits.
6039
6040 2019-02-14  Maya Rashish  <coypu@sdf.org>
6041
6042         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6043         * config/netbsd-d.c: New file.
6044         * config/t-netbsd: Add netbsd-d.o
6045
6046 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6047
6048         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6049         affects_type_identity to true for aarch64_vector_pcs.
6050         (aarch64_comp_type_attributes): New function.
6051         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6052
6053 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6054
6055         PR target/88850
6056         * config/arm/iterators.md (ANY64): Add V4HF.
6057
6058 2019-02-14  Martin Liska  <mliska@suse.cz>
6059
6060         PR rtl-optimization/89242
6061         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6062         process a transformation.
6063
6064 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6065
6066         PR tree-optimization/89314
6067         * fold-const.c (fold_binary_loc): Cast strlen argument to
6068         const char * before dereferencing it.  Formatting fixes.
6069
6070         PR middle-end/89284
6071         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6072
6073 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6074
6075         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6076         and set current index for other optimizations.
6077
6078 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6079
6080         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6081         nonimmediate_operand as operand 2 predicate.
6082         (vec_set<VF2_512_256:mode>_0): Ditto.
6083         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6084         (*vec_concatv2si): Remove alternative 2.
6085         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6086         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6087         (vec_concatv2di): Split alternatives 4,5,6 to ...
6088         (*vec_concatv2di_0) ... new pattern.
6089
6090 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6091
6092         PR target/89190
6093         * config/arm/arm.c (ldm_stm_operation_p) Set
6094         addr_reg_in_reglist correctly for first register.
6095         (load_multiple_sequence): Remove dead base check.
6096         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6097
6098 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6099
6100         PR target/88847
6101         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6102         Expose as @aarch64_pred_mov.
6103         * config/aarch64/aarch64.c (aarch64_classify_address):
6104         Use expand_insn which legitimizes operands.
6105
6106 2019-02-13  Martin Liska  <mliska@suse.cz>
6107
6108         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6109         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6110         and pointer_offset fields.
6111         (initialize_argument_information): Remove usage of dead
6112         fields.
6113         * cgraph.h (struct cgraph_thunk_info): Remove
6114         add_pointer_bounds_args.
6115         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6116         fields.
6117         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6118         fields.
6119         * config/i386/i386.c (ix86_function_arg_advance): Remove
6120         unrelated comment.
6121         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6122         (def_builtin):  Remove usage of dead
6123         fields.
6124         (ix86_add_new_builtins): Likewise.
6125         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6126         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6127         (sem_function::init): Likewise.
6128         (sem_variable::merge): Likewise.
6129         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6130         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6131         * lto-cgraph.c (lto_output_node): Likewise.
6132         (lto_output_varpool_node): Likewise.
6133         (input_node): Likewise.
6134         (input_varpool_node): Likewise.
6135         * lto-streamer-out.c (lto_output): Likewise.
6136         * tree-inline.c (expand_call_inline): Remove usage of
6137         assign_stmts.
6138         * tree-inline.h (struct copy_body_data): Likewise.
6139         * varpool.c (varpool_node::dump): Likewise.
6140
6141 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6142
6143         PR middle-end/89303
6144         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6145         into pt->vars_contains_escaped_heap instead of setting
6146         pt->vars_contains_escaped_heap to it.
6147
6148         PR middle-end/89281
6149         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6150         INTVAL (size), compare it to GET_MODE_MASK instead of
6151         1 << GET_MODE_BITSIZE.
6152
6153         PR target/89290
6154         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6155         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6156         -mcmodel=large.
6157
6158 2019-02-13  Martin Liska  <mliska@suse.cz>
6159
6160         PR lto/88858
6161         * cfgrtl.c (remove_barriers_from_footer): New function.
6162         (try_redirect_by_replacing_jump): Use it.
6163         (cfg_layout_redirect_edge_and_branch): Likewise.
6164
6165 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6166
6167         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6168         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6169         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6170         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6171         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6172         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6173         New BU_CRYPTO_2.
6174         * config/rs6000/rs6000.c (builtin_function_type)
6175         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6176         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6177         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6178         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6179         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6180
6181 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6182
6183         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6184         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6185
6186 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6187
6188         PR target/89229
6189         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6190         268678 and revision 268657.
6191         (*movti_internal): Likewise.
6192
6193 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6194
6195         PR target/89233
6196         * config/s390/s390.c (s390_decompose_address): Update comment.
6197         (s390_check_qrst_address): Reject invalid address forms after
6198         LRA.
6199
6200 2019-02-12  Martin Liska  <mliska@suse.cz>
6201
6202         PR lto/88876
6203         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6204         we need default values of funct_state for a function that
6205         is not optimized.
6206
6207 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6208
6209         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6210         the object to pick the size of stores on strict-alignment platforms.
6211
6212         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6213         (*movdi_insn_sp32): Likewise.
6214         (*movdi_insn_sp64): Likewise.
6215
6216 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6217
6218         PR lto/88677
6219         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6220         types that needs constructiong.
6221         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6222
6223 2019-02-12  Richard Biener  <rguenther@suse.de>
6224
6225         PR tree-optimization/89253
6226         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6227         duplicate the loop.
6228
6229 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6230
6231         PR lto/88147
6232         * input.c (selftest::test_line_offset_overflow): New selftest.
6233         (selftest::input_c_tests): Call it.
6234
6235 2019-02-11  Martin Sebor  <msebor@redhat.com>
6236
6237         PR tree-optimization/88771
6238         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6239         when -Wstringop-overflow is set.
6240         (builtin_memref::builtin_memref): Adjust excessive upper bound
6241         only when lower bound is not excessive.
6242         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6243         -Wstringop-ovefflow.
6244         (maybe_diag_offset_bounds): Rename...
6245         (maybe_diag_access_bounds): ...to this.
6246         (check_bounds_or_overlap): Adjust for name change above.
6247
6248 2019-02-11  Martin Sebor  <msebor@redhat.com>
6249
6250         PR c++/87996
6251         * builtins.c (max_object_size): Move from here...
6252         * builtins.h (max_object_size): ...and here...
6253         * tree.c (max_object_size): ...to here...
6254         * tree.h (max_object_size): ...and here.
6255
6256 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6257
6258         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6259         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6260         for correct semantics.
6261
6262 2019-02-11  Alan Modra  <amodra@gmail.com>
6263
6264         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6265         -mlongcall and -mpltseq.
6266         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6267         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6268         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6269         * config/rs6000/sysv4.opt (mpltseq): New option.
6270         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6271         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6272         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6273         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6274         -mpltseq given for ELFv1.
6275         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6276         Only use UNSPEC_PLTSEQ for inline PLT calls.
6277         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6278         use UNSPEC_PLTSEQ for inline PLT calls.
6279         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6280         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6281         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6282         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6283         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6284         (pltseq_mtctr_<mode>): Likewise.
6285
6286 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6287
6288         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6289         Solaris ld.
6290         * configure: Regenerate.
6291
6292 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6293
6294         PR bootstrap/88714
6295         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6296         instead of r.
6297
6298 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6299
6300         * function.c (assign_parm_setup_block): Use the stored
6301         size, not the passed size, when allocating stack-space,
6302         also for a parameter with alignment larger than
6303         MAX_SUPPORTED_STACK_ALIGNMENT.
6304
6305 2019-02-11  Martin Liska  <mliska@suse.cz>
6306
6307         PR ipa/89009
6308         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6309         * ipa-inline.c (inline_small_functions): Likewise.
6310         * ipa-pure-const.c (propagate_pure_const): Likewise.
6311         (propagate_nothrow): Likewise.
6312         * ipa-reference.c (propagate): Likewise.
6313         * ipa-utils.c (struct searchc_env): Remove unused field.
6314         (searchc): Always search across AVAIL_INTERPOSABLE.
6315         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6316         the only called IPA pure const can properly not propagate
6317         across interposable boundary.
6318         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6319
6320 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6321
6322         * config/nds32/nds32.md (call_internal, call_value_internal,
6323         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6324
6325 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6326
6327         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6328         typo.
6329
6330 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6331
6332         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6333         in comments
6334
6335 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6336
6337         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6338
6339 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6340
6341         PR tree-optimization/89268
6342         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6343         if preds is non-NULL.
6344
6345 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6346
6347         PR lto/89272
6348         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6349         polymorphic types.
6350
6351 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6352
6353         * config/nds32/nds32.md (trap): New pattern.
6354
6355 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6356
6357         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6358         dwarf span.
6359
6360 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6361
6362         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6363         to split POST_INC.
6364
6365 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6366
6367         * ipa-visibility.c (localize_node): Also do not localize
6368         LDPR_PREVAILING_DEF_IRONLY_EXP.
6369
6370 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6371
6372         PR lto/87957
6373         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6374         instead of type_with_linkage.
6375
6376 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6377
6378         PR ipa/88755
6379         * params.def (uninlined-function-insns, uninlined-function-time,
6380         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6381         bound so we don't get overflows.
6382
6383 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6384
6385         * config/rs6000/rs6000-string.c (expand_compare_loop,
6386         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6387         memcmp/strncmp.
6388
6389 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6390
6391         PR middle-end/89246
6392         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6393         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6394         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6395
6396 2019-02-09  Alan Modra  <amodra@gmail.com>
6397
6398         PR target/88343
6399         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6400         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6401         setup.
6402
6403 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6404
6405         PR middle-end/88560
6406         * lra-constraints.c (process_alt_operands): Don't increase reject
6407         for memory when offset memory is required.
6408
6409 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6410
6411         * config/s390/vector.md: Implement vector copysign.
6412
6413 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6414
6415         * expr.c (expand_constructor): Correct indentations.
6416
6417 2019-02-08  Richard Biener  <rguenther@suse.de>
6418
6419         PR tree-optimization/89247
6420         * tree-if-conv.c: Include tree-cfgcleanup.h.
6421         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6422         (tree_if_conversion): Pass through predicate vector.
6423         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6424         inline, see if any if-converted loops we refrece in
6425         LOOP_VECTORIZED calls vanished and fixup.
6426         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6427
6428 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6429
6430         * config/s390/constraints.md (jdd): New constraint.
6431
6432 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6433
6434         PR target/89229
6435         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6436         upper 16 vector registers without TARGET_AVX512VL.
6437         (*movti_internal): Likewise.
6438
6439 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6440
6441         PR rtl-optimization/89234
6442         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6443         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6444         (copy_reg_eh_region_note_backward): Likewise.
6445
6446 2019-02-08  Richard Biener  <rguenther@suse.de>
6447
6448         PR middle-end/89223
6449         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6450         doesn't fit in HWI.
6451         (analyze_subscript_affine_affine): Handle failure from
6452         initialize_matrix_A.
6453
6454 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6455
6456         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6457         cfun everywhere.
6458
6459 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6460
6461         PR tree-optimization/86637
6462         PR tree-optimization/89235
6463         * tree-vect-loop.c (optimize_mask_stores): Add an
6464         auto_purge_vect_location sentinel to ensure that vect_location is
6465         purged on exit.
6466         * tree-vectorizer.c
6467         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6468         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6469         to ensure that vect_location is purged on exit.
6470         (pass_slp_vectorize::execute): Likewise, replacing the manual
6471         reset.
6472         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6473
6474 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6475
6476         * config/aarch64/iterators.md (max_opp): New code_attr.
6477         (USMAX): New code iterator.
6478         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6479         (aarch64_smax): Likewise.
6480         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6481         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6482         MINUS (MAX MIN).
6483
6484 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6485
6486         PR target/89229
6487         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6488         for TARGET_AVX512VL.
6489         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6490
6491 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6492
6493         * config/s390/s390-builtin-types.def: Add new types.
6494         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6495         (s390_vec_xlw4): Make the memory operand into a const pointer.
6496         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6497         float.
6498         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6499         a new vector type with the alignment of the scalar memory operand.
6500
6501 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6502             Jakub Jelinek  <jakub@redhat.com>
6503
6504         PR bootstrap/88714
6505         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6506         arm_count_ldrdstrd_insns): New declarations.
6507         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6508         MINUS.
6509         (valid_operands_ldrd_strd): New function.
6510         (arm_count_ldrdstrd_insns): New function.
6511         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6512         sets instead of single DImode set and define new insns to match this.
6513
6514 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6515
6516         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6517         Make it a C initializer.
6518
6519 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6520
6521         PR/target 88850
6522         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6523
6524 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6525
6526         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6527         Use neon_dot<q> for type.
6528         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6529
6530 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6531
6532         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6533         Use neon_dot<q> for type.
6534         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6535         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6536
6537 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6538
6539         PR rtl-optimization/89225
6540         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6541         sizes check.
6542
6543 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6544
6545         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6546         after restoring registers saved to allocate the frame on Windows.
6547
6548 2019-02-06  Richard Biener  <rguenther@suse.de>
6549
6550         PR tree-optimization/89182
6551         * graphite.h (cached_scalar_evolution_in_region): Declare.
6552         * graphite.c (struct seir_cache_key): New.
6553         (struct sese_scev_hash): Likewise.
6554         (seir_cache): New global.
6555         (cached_scalar_evolution_in_region): New function.
6556         (graphite_transform_loops): Allocate and release seir_cache.
6557         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6558         cached_scalar_evolution_in_region.
6559         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6560         Simplify.
6561         (scop_detection::graphite_can_represent_expr: Use
6562         cached_scalar_evolution_in_region.
6563         (scop_detection::stmt_simple_for_scop_p): Likewise.
6564         (find_params_in_bb): Likewise.
6565         (gather_bbs::before_dom_children): Likewise.
6566         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6567         (add_loop_constraints): Likewise.
6568
6569 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6570
6571         PR middle-end/89210
6572         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6573         operand to new_unary_operation only if both element types are integral
6574         and it isn't a widening conversion.  Return NULL_TREE if
6575         new_unary_operation failed.
6576
6577 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6578
6579         PR target/88856
6580         * config/s390/s390.md: Remove load and test FP splitter.
6581
6582 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6583
6584         PR target/89112
6585         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6586         expand_compare_loop, expand_block_compare_gpr,
6587         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6588         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6589         #include "profile-count.h" and "predict.h" for types and functions
6590         needed to work with REG_BR_PROB notes.
6591
6592 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6593
6594         PR target/89112
6595         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6596         for the long branch case.
6597
6598 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6599
6600         PR target/89188
6601         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6602         can throw, non-call exceptions are enabled and we can't delete
6603         dead exceptions or alter cfg.  Set must_clean if
6604         delete_insn_and_edges returns true, don't set it blindly for calls.
6605         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6606
6607         PR rtl-optimization/89195
6608         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6609         of the original MEM.
6610
6611 2019-02-05  Martin Liska  <mliska@suse.cz>
6612
6613         PR gcov-profile/89000
6614         * gcov.c (function_summary): Remove argument.
6615         (file_summary): New function.
6616         (print_usage): Replace tabs with spaces.
6617         (generate_results): Use new function file_summary.
6618
6619 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6620
6621         PR target/89186
6622         * optabs.c (prepare_cmp_insn): Pass x and y to
6623         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6624
6625 2019-02-05  Richard Biener  <rguenther@suse.de>
6626
6627         PR middle-end/89150
6628         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6629         (struct bitmap_element): Drop chain_prev so we properly recurse on
6630         the prev member, supporting tree views.
6631         (struct bitmap_head): GTY skip the obstack member.
6632
6633 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6634
6635         PR c/88698
6636         * doc/extend.texi (Vector Extensions): Add an example of using vector
6637         types together with x86 intrinsics.
6638
6639 2019-02-04  Alan Modra  <amodra@gmail.com>
6640
6641         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6642         str[] size to 160, and comment.
6643
6644 2019-02-04  Alan Modra  <amodra@gmail.com>
6645
6646         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6647         (rs6000_pltseq_template): Guard output of TLS markers with
6648         TARGET_TLS_MARKERS.
6649         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6650         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6651         to use inline PLT sequences.
6652         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6653         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6654         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6655
6656 2019-02-04  Martin Liska  <mliska@suse.cz>
6657
6658         PR ipa/88985
6659         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6660         out when ipa_fn_summaries does not contain entry for callee.
6661
6662 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6663
6664         * config/sparc/sparc.h: Remove superfluous blank lines.
6665         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6666         (got_register_rtx): ...this.
6667         (sparc_got): Adjust to above renaming.
6668         (sparc_tls_got): Likewise.
6669         (sparc_delegitimize_address): Likewise.
6670         (sparc_output_mi_thunk): Likewise.
6671         (sparc_init_pic_reg): Likewise.
6672         (save_local_or_in_reg_p): Fix test on the GOT register.
6673         (USE_HIDDEN_LINKONCE): Move around.
6674         (get_pc_thunk_name): Likewise.
6675         (gen_load_pcrel_sym): Likewise.
6676         (load_got_register): Likewise.
6677
6678 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6679
6680         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6681         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6682
6683 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6684
6685         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6686         into consideration.
6687
6688 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6689
6690         * config.gcc (with_nds32_lib, glibc):
6691         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6692         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6693         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6694
6695 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6696
6697         PR target/89071
6698         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6699         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6700         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6701         (*rcpsf2_sse): Ditto.
6702         (*rsqrtsf2_sse): Ditto.
6703         (sse4_1_round<mode<2): Ditto.
6704
6705 2019-02-03  Richard Biener  <rguenther@suse.de>
6706
6707         PR debug/87295
6708         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6709         orig.
6710
6711 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6712
6713         PR middle-end/87887
6714         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6715         Punt with warning on aggregate return or argument types.  Ignore
6716         type/mode checking for uniform arguments.
6717
6718 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6719
6720         * combine.c (try_combine): Do not print "Can't combine" messages unless
6721         printing failed combination attempts.
6722
6723 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6724
6725         PR hsa/87863
6726         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6727         segment and global segment variables before making them static.
6728
6729 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6730
6731         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6732         missed optimization dump with dump_enabled_p.
6733
6734 2019-02-01  Richard Biener  <rguenther@suse.de>
6735
6736         PR middle-end/88597
6737         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6738         the instantiate cache.
6739         (instantiate_scev_binary): Elide second operand procesing
6740         if equal to the first.
6741         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6742         (chrec_contains_undetermined): Likewise.
6743         (tree_contains_chrecs): Likewise.
6744
6745 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6746
6747         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6748
6749 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6750
6751         PR tree-optimization/89143
6752         * wide-int-range.h (wide_int_range_absu): Declare.
6753         * wide-int-range.cc (wide_int_range_absu): New function.
6754         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6755
6756         PR tree-optimization/88107
6757         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6758         instead of assertion that eh_region_outermost is non-NULL, if it
6759         is NULL, set *ALL to true and return NULL.
6760         (move_sese_region_to_fn): Adjust caller, if all is set, call
6761         duplicate_eh_regions with NULL region.
6762
6763 2019-02-01  Richard Biener  <rguenth@suse.de>
6764
6765         PR rtl-optimization/88593
6766         * mode-switching.c (optimize_mode_switching): Free dominators before
6767         calling cleanup_cfg.
6768
6769 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6770
6771         PR tree-optimization/88932
6772         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6773
6774 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6775
6776         PR middle-end/89137
6777         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6778         bogus clang warning.
6779
6780 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6781
6782         PR target/89071
6783         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6784         alternative to avoid partial SSE register stall for TARGET_AVX.
6785         (truncdfsf2): Ditto.
6786         (sse4_1_round<mode>2): Ditto.
6787
6788 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6789
6790         PR tree-optimization/89008
6791         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6792         process anything of the form X * 0.
6793
6794 2019-01-31  Richard Biener  <rguenther@suse.de>
6795
6796         PR tree-optimization/89135
6797         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6798         with abnormal preds.
6799
6800 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6801
6802         PR sanitizer/89124
6803         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6804         always_inline callees into no_sanitize_address callers.
6805
6806 2019-01-31  Richard Biener  <rguenther@suse.de>
6807
6808         PR rtl-optimization/89115
6809         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6810
6811 2019-01-30  Martin Sebor  <msebor@redhat.com>
6812
6813         PR other/89106
6814         * doc/extend.texi (cast to a union): Correct and expand.
6815
6816 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6817
6818         PR rtl-optimization/87246
6819         * lra-constraints.c (simplify_operand_subreg): Reload memory
6820         in subreg if the address became invalid.
6821
6822 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6823
6824         PR target/87064
6825         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6826         Disable for little-endian.
6827
6828 2019-01-30  Richard Biener  <rguenther@suse.de>
6829
6830         PR rtl-optimization/89115
6831         * opts.c (default_options_optimization): Reduce
6832         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6833         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6834         to the default.
6835
6836 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6837
6838         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6839         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6840         type of vector element when vec_extract is implemented by direct
6841         move.
6842
6843 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6844
6845         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6846
6847 2019-01-30  Richard Biener  <rguenther@suse.de>
6848
6849         PR tree-optimization/89111
6850         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6851         canonicalization to appropriately sized access types.
6852
6853 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6854
6855         PR c++/89105
6856         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6857         for arguments to functions that are TU-local and shouldn't be
6858         referenced by assembly.
6859
6860 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6861
6862         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6863         after '='.
6864
6865 2019-01-29  Martin Sebor  <msebor@redhat.com>
6866
6867         PR c/88956
6868         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6869
6870 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6871
6872         PR c++/66676
6873         PR ipa/89104
6874         * omp-simd-clone.c (simd_clone_clauses_extract)
6875         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6876         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6877
6878 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6879
6880         * config.gcc: Force .init_array for ARC.
6881
6882 2019-01-29  Richard Biener  <rguenther@suse.de>
6883
6884         PR debug/87295
6885         * dwarf2out.c (collect_skeleton_dies): New helper.
6886         (copy_decls_for_unworthy_types): Call it.
6887         (build_abbrev_table): Assert we do not try to replace
6888         DW_AT_signature refs with local refs.
6889
6890 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6891
6892         PR middle-end/89002
6893         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6894         for lastprivate/linear IV, push gimplify context around gimplify_assign
6895         and, if it needed any temporaries, pop it into a gimple bind around the
6896         sequence.
6897
6898 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6899
6900         * common.opt (-Wattribute-alias): Remove "no-" from name.
6901         Make -Wattribute-alias command line option and
6902         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6903
6904 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6905
6906         PR target/89073
6907         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6908         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6909         x86 ISA options.
6910         (bmi2): Add missing @opindex.
6911         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6912         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6913         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6914         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6915         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6916         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6917         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6918         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6919         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6920         xsavec, xsaveopt and xsaves options.
6921
6922 2019-01-28  Richard Biener  <rguenther@suse.de>
6923
6924         PR debug/89076
6925         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6926         support removal.
6927
6928 2019-01-28  Richard Biener  <rguenther@suse.de>
6929
6930         PR tree-optimization/88739
6931         * tree-cfg.c (verify_types_in_gimple_reference): Verify
6932         BIT_FIELD_REFs only are applied to mode-precision operands
6933         when they are integral.
6934         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
6935         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
6936         BIT_FIELD_REFs of non-mode-precision integral operands.
6937
6938 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
6939
6940         PR target/87214
6941         * config/i386/sse.md
6942         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
6943         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
6944         first constants in pairs are multiples of 2.  Formatting fixes.
6945         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
6946         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
6947         first constants in each quadruple are multiples of 4.  Formatting fixes.
6948
6949 2019-01-26  Martin Jambor  <mjambor@suse.cz>
6950
6951         PR ipa/88933
6952         * tree-inline.c: Include tree-cfgcleanup.h.
6953         (delete_unreachable_blocks_update_callgraph): Move...
6954         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
6955         ...here, make externally visible, make second argument bool, adjust
6956         all callers.
6957         * tree-cfgcleanup.c: Include cgraph.h.
6958         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
6959         Declare.
6960         * ipa-prop.c: Include tree-cfgcleanup.h.
6961         (ipcp_transform_function): Call
6962         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
6963
6964 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
6965
6966         PR rtl-optimization/88846
6967         * ira.c (process_set_for_memref_referenced_p): New.
6968         (memref_referenced_p): Add new param.  Use
6969         process_set_for_memref_referenced_p.  Add new switch cases.
6970         (memref_used_between_p): Pass new arg to memref_referenced_p.
6971
6972 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
6973
6974         PR target/88469
6975         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
6976         argument ABI_BREAK.  Set to true if the calculated alignment has
6977         changed in gcc-9.  Check bit-fields for their base type alignment.
6978         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
6979         (aarch64_function_arg_boundary): Likewise.
6980         (aarch64_gimplify_va_arg_expr): Likewise.
6981
6982 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
6983
6984         PR middle-end/89037
6985         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
6986         instead of accessing TREE_INT_CST_ELT directly.
6987
6988 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
6989
6990         * doc/sourcebuild.texi (Environment attributes): Add fenv and
6991         fenv_exceptions description.
6992
6993 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
6994
6995         PR rtl-optimization/87763
6996         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
6997         Allow SUBREG when matching CC_NZmode compare.
6998
6999 2019-01-25  Richard Biener  <rguenther@suse.de>
7000
7001         PR tree-optimization/89049
7002         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7003         Look at the pattern stmt to determine if the stmt is vectorized.
7004
7005 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7006
7007         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7008         (pred_mov<mode>): Handle all-register forms using both a new
7009         alternative and a split.
7010
7011 2019-01-25  Richard Biener  <rguenther@suse.de>
7012
7013         PR tree-optimization/86865
7014         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7015         Reject non-do-while loops.
7016
7017 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7018
7019         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7020         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7021         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7022         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7023         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7024         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7025         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7026         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7027         vlogical_operand, gpc_reg_operand, int_reg_operand,
7028         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7029         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7030         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7031         (save_world_operation, restore_world_operation, lmw_operation,
7032         stmw_operation): Use MEM_P and REG_P.
7033         (tie_operand): Use MEM_P.
7034         (vrsave_operation, crsave_operation): Use REG_P.
7035         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7036         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7037         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7038         (call_operand): Use HARD_REGISTER_P.
7039         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7040         Use CONST_INT_P.
7041         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7042         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7043         quad_aligned_load_p, replace_swapped_aligned_store,
7044         recombine_lvx_pattern, replace_swapped_aligned_load,
7045         recombine_stvx_pattern): Use MEM_P.
7046         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7047         Use MEM_P and SYMBOL_REF_P.
7048         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7049         (insn_is_swappable_p): Use REG_P and MEM_P.
7050         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7051         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7052         Use CONST_INT_P.
7053         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7054         Use CONST_DOUBLE_P.
7055         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7056         CONST_WIDE_INT_P.
7057         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7058         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7059         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7060         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7061         reg_or_subregno:
7062         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7063         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7064         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7065         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7066         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7067         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7068         rs6000_split_logical_di): Use CONST_INT_P.
7069         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7070         REG_P and SYMBOL_REF_P.
7071         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7072         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7073         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7074         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7075         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7076         (small_data_operand, print_operand_address): Use CONST_INT_P and
7077         SYMBOL_REF_P.
7078         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7079         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7080         Use HARD_REGISTER_NUM_P.
7081         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7082         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7083         SUBREG_P and SYMBOL_REF_P.
7084         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7085         and HARD_REGISTER_NUM_P.
7086         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7087         reg_or_subregno.
7088         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7089         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7090         MEM_P and REG_P.
7091         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7092         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7093         find_addr_reg): Use REG_P.
7094         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7095         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7096         (offsettable_ok_by_alignment, constant_pool_expr_p,
7097         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7098         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7099         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7100         rs6000_assemble_integer, create_TOC_reference,
7101         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7102         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7103         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7104         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7105         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7106         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7107         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7108         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7109         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7110         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7111         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7112         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7113         and cbranch<mode>4): Use CONST_INT_P.
7114         (multiple define_splits): Use REG_P and SUBREG_P.
7115         (define_expands call, call_value): Use MEM_P.
7116         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7117         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7118         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7119         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7120         and HARD_REGISTER_NUM_P.
7121         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7122
7123 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7124
7125         PR rtl-optimization/88948
7126         * rtl.h (prepare_copy_insn): New prototype.
7127         * gcse.c (prepare_copy_insn): New function, split out from
7128         process_insert_insn.
7129         (process_insert_insn): Use prepare_copy_insn.
7130         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7131         instead of gen_move_insn.
7132
7133 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7134
7135         PR debug/89006
7136         * config/i386/i386.c (ix86_pic_register_p): Return true for
7137         UNSPEC_SET_GOT too.
7138
7139         PR tree-optimization/88964
7140         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7141         punt if HONOR_SNANS (chrec).
7142
7143         PR middle-end/89015
7144         * tree-nested.c (convert_nonlocal_reference_stmt,
7145         convert_local_reference_stmt, convert_tramp_reference_stmt,
7146         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7147         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7148         or GIMPLE_OMP_TASK.
7149
7150         PR tree-optimization/89027
7151         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7152         for "omp simd array" variables.
7153
7154 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7155
7156         PR target/88469
7157         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7158         force the alignment of m_val.
7159
7160 2019-01-24  Richard Biener  <rguenther@suse.de>
7161
7162         PR lto/87187
7163         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7164         When in "legacy" debug mode make sure to reset self-origins.
7165
7166 2019-01-24  Martin Liska  <mliska@suse.cz>
7167
7168         PR gcov-profile/88994
7169         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7170         result will be always smaller or equal to the original.
7171         * gcov.c (mangle_name): Fix else branch where we should
7172         also copy to PTR and shift the pointer.
7173
7174 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7175
7176         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7177         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7178
7179 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7180             Steve Ellcey <sellcey@marvell.com>
7181
7182         PR target/85711
7183         * recog.c (address_operand): Return false on wrong mode for address.
7184         (constrain_operands): Check for mode with 'p' constraint.
7185
7186 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7187
7188         PR target/88998
7189         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7190         Disparage MMX alternative.
7191         (sse2_cvtpd2pi): Ditto.
7192         (sse2_cvttpd2pi): Ditto.
7193
7194 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7195
7196         PR driver/89014
7197         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7198         use-after-free of the result of
7199         aarch64_get_extension_string_for_isa_flags.
7200
7201 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7202
7203         PR c/44715
7204         * doc/extend.texi: Document break and continue behavior in
7205         statement expressions.
7206
7207 2019-01-23  Richard Biener  <rguenther@suse.de>
7208
7209         PR tree-optimization/89008
7210         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7211         not leave another stray operand.
7212
7213 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7214
7215         * BASE-VER: Bump to 9.0.1.
7216
7217 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7218
7219         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7220         thunk that returns by reference, use the type of the return object
7221         of the thunk instead of that of the alias to build the dereference.
7222
7223 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7224
7225         * config/arc/atomic.md: Add operand to DMB instruction.
7226
7227 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7228
7229         PR tree-optimization/88964
7230         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7231         build_zero_cst instead of build_int_cst.  Return false for loop
7232         invariants which honor signed zeros.
7233
7234 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7235
7236         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7237
7238 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7239
7240         PR target/88965
7241         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7242         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7243         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7244
7245         PR middle-end/88968
7246         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7247         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7248
7249         PR target/87064
7250         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7251         Disable for little endian.
7252
7253 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7254
7255         PR target/88469
7256         * config/arm/arm.c (arm_needs_double_word_align): Check
7257         DECL_BIT_FIELD_TYPE.
7258
7259 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7260             H.J. Lu  <hongjiu.lu@intel.com>
7261
7262         PR target/88909
7263         * config/i386/i386-builtin.def: Add mask2 to all builtin
7264         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7265         SPECIAL_ARGS.
7266         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7267         (BDESC_FIRST): Likewise.
7268         (define_builtin): Add an argument for mask2.  Updated to handle
7269         both ix86_isa_flags and ix86_isa_flags2.
7270         (define_builtin_const): Likewise.
7271         (define_builtin_pure): Likewise.
7272         (define_builtin2): Deleted.
7273         (define_builtin_const2): Likewise.
7274         (builtin_description): Add a member, mask2.
7275         (bdesc_*): Add mask2 to builtin initializations.
7276         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7277         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7278         support.
7279         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7280
7281 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7282
7283         PR target/88954
7284         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7285         noplt attribute.
7286
7287 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7288
7289         PR target/88469
7290         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7291         alignment is dominated by a bitfield with 64-bit aligned base type.
7292         (arm_function_arg): Emit a warning if the alignment has changed since
7293         earlier GCC releases.
7294         (arm_function_arg_boundary): Likewise.
7295         (arm_setup_incoming_varargs): Likewise.
7296
7297 2019-01-22  Richard Biener  <rguenther@suse.de>
7298
7299         PR tree-optimization/88862
7300         * graphite-scop-detection.c
7301         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7302
7303 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7304
7305         * doc/extend.tex (AMD GCN Function Attributes): New section.
7306         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7307         * doc/invoke.texi (AMD GCN Options): New section.
7308         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7309
7310 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7311
7312         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7313         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7314
7315 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7316
7317         PR tree-optimization/88044
7318         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7319         is false in the first iteration, but !every_iteration, return false
7320         instead of true with niter->niter zero.
7321
7322         PR rtl-optimization/88904
7323         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7324         any nonequal registers before processing BB_END (b).
7325
7326         PR target/88905
7327         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7328         GET_MODE (op0).
7329         (expand_binop_directly, expand_doubleword_clz,
7330         expand_doubleword_popcount, expand_ctz, expand_ffs,
7331         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7332
7333         PR rtl-optimization/49429
7334         PR target/49454
7335         PR rtl-optimization/86334
7336         PR target/88906
7337         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7338         addressable from here...
7339         (emit_block_op_via_libcall): ... to here.
7340
7341 2019-01-22  Richard Biener  <rguenther@suse.de>
7342
7343         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7344         auto_vec for cost vector to fix memleak.
7345         (vectorize_fold_left_reduction): Properly gather SLP defs.
7346         (vectorizable_comparison): Do not swap operands to properly
7347         gather SLP defs.
7348
7349 2019-01-22  Alan Modra  <amodra@gmail.com>
7350
7351         PR target/88614
7352         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7353         stays a reg.  Allow a const_int.
7354         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7355         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7356         (IS_NOMARK_TLSGETADDR): Define.
7357         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7358         (rs6000_output_tlsargs): New function.
7359         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7360         __tls_get_addr call takes an arg.
7361         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7362         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7363         delete split..
7364         (call_value_nonlocal_sysv): ..or here, delete split.
7365         (tls_gdld_nomark): Delete.
7366         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7367         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7368         (call_value_nonlocal_sysv): Likewise.
7369         (call_value_nonlocal_sysv_secure): Likewise.
7370         (call_value_nonlocal_aix): Likewise.
7371         (call_value_indirect_aix): Likewise.
7372         (call_value_indirect_elfv2): Likewise.
7373         (call_value_local32, call_value_local64): Disable for no-mark tls.
7374         (call_value_local_aix): Likewise.
7375
7376 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7377
7378         PR target/88938
7379         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7380         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7381
7382 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7383
7384         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7385         string contents as hash_map keys.
7386
7387 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7388
7389         PR c/88928
7390         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7391         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7392         instead of TYPE_ALIGN.
7393         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7394         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7395         pointer from TYPE_STUB_DECL.
7396
7397 2019-01-21  Richard Biener  <rguenther@suse.de>
7398
7399         PR tree-optimization/88934
7400         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7401         at the possibly non-constant operand.
7402         (vect_get_constant_vectors): Adjust.
7403
7404 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7405
7406         PR target/71659
7407         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7408         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7409         instead of _X86INTRIN_H_INCLUDED.
7410         * onfig/i386/clwbintrin.h: Likewise.
7411         * config/i386/pkuintrin.h: Likewise.
7412         * config/i386/prfchwintrin.h: Likewise.
7413         * config/i386/rdseedintrin.h: Likewise.
7414         * config/i386/wbnoinvdintrin.h: Likewise.
7415         * config/i386/xsavecintrin.h: Likewise.
7416         * config/i386/xsavesintrin.h: Likewise.
7417         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7418         * config/i386/xsaveintrin.h: Likewise.
7419         * config/i386/xsaveoptintrin.h: Likewise.
7420         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7421         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7422         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7423         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7424         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7425         * config/i386/immintrin.h: Here.
7426
7427 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7428
7429         PR ipa/87615
7430         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7431         with aa_walk_budget.
7432         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7433         aa_walk_budget_p parameter.
7434         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7435         walk.  Updated all callers.
7436         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7437         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7438         unmodified_parm.
7439         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7440         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7441         and to unmodified_parm.
7442         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7443         info, updated call to will_be_nonconstant_expr_predicate.
7444         (param_change_prob): New parameter fbi, limit AA walking.
7445         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7446         calls to various above functions.
7447         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7448         parameter.  Use it to limit AA walking.
7449         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7450         fbi, limit AA walk.
7451         (detect_type_change): New parameter fbi, pass it on to
7452         detect_type_change_from_memory_writes.
7453         (detect_type_change_ssa): Likewise.
7454         (aa_overwalked): Removed.
7455         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7456         accordingly, adjust to the neew AA limiting scheme.
7457         (parm_ref_data_preserved_p): Likewise.
7458         (ipa_compute_jump_functions_for_edge): Adjust call to
7459         get_dynamic_type.
7460         (ipa_analyze_call_uses): Likewise.
7461         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7462         (ipa_analyze_node): Initialize aa_walk_budget.
7463         (ipcp_transform_function): Likewise.
7464         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7465         to get_dynamic_type.
7466
7467 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7468
7469         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7470         outside of #if CHECKING_P code.
7471
7472 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7473
7474         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7475         New function, split out from...
7476         (loop_versioning::analyze_stride): ...here.
7477         (loop_versioning::find_per_loop_multiplication): Use gassign.
7478         (loop_versioning::analyze_term_using_scevs): Return a success code.
7479         (loop_versioning::analyze_arbitrary_term): New function.
7480         (loop_versioning::analyze_address_fragment): Use
7481         analyze_arbitrary_term if all else fails.
7482
7483 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7484
7485         PR target/88892
7486         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7487         operands.
7488
7489 2019-01-18  Richard Biener  <rguenther@suse.de>
7490
7491         PR tree-optimization/88903
7492         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7493         scalar stmts a SLP shift amount is composed of when detecting
7494         shifts by scalars.
7495
7496 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7497
7498         PR target/88799
7499         * config/arm/arm-cpus.in (mp): New feature.
7500         (sec): New feature.
7501         (fgroup ARMv7ve): Add mp and sec features.
7502         (arch armv7-a): Add options to allow mp and sec extensions.
7503         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7504         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7505         extenstions to the base architecture.
7506         (cpu cortex-a8): Add sec extension to the base architecture.
7507         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7508         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7509         variants down to the base v7-a varaint.
7510         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7511         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7512         of permitted extensions for -march=armv7-a and for
7513         -mcpu=generic-armv7-a.
7514
7515 2019-01-18  Martin Liska  <mliska@suse.cz>
7516
7517         * params.def: Fix comment.
7518         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7519         name.
7520         (gimple_gen_ic_func_profiler): Likewise.
7521
7522 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7523
7524         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7525         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7526         and put in error checks for stack protector guard options.
7527         (aarch64_stack_protect_guard): New.
7528         (TARGET_STACK_PROTECT_GUARD): Define.
7529         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7530         (reg_stack_protect_address<mode>): New.
7531         (stack_protect_set): Adjust for SSP_GLOBAL.
7532         (stack_protect_test): Likewise.
7533         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7534         (-mstack-protector-guard): Likewise.
7535         (-mstack-protector-guard-offset): Likewise.
7536
7537 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7538
7539         PR tree-optimization/86214
7540         * tree-inline.h (struct copy_body_data): Add
7541         add_clobbers_to_eh_landing_pads member.
7542         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7543         (copy_edges_for_bb): Call it if EH edge destination is <
7544         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7545         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7546         if flag_stack_reuse != SR_NONE and clear it afterwards.
7547
7548 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7549
7550         PR target/85596
7551         * doc/install.texi (with-multilib-list): Document for aarch64.
7552
7553 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7554
7555         PR target/88734
7556         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7557         (("..."))) with ("...").
7558
7559 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7560
7561         * doc/extend.texi (Built-in Functions for Memory Model Aware
7562         Atomic Operations): Document atomic fetch and nand.
7563
7564 2019-01-18  Martin Liska  <mliska@suse.cz>
7565             Richard Biener  <rguenther@suse.de>
7566
7567         PR middle-end/88587
7568         * cgraph.h (create_version_clone_with_body): Add new argument
7569         with attributes.
7570         * cgraphclones.c (cgraph_node::create_version_clone): Add
7571         DECL_ATTRIBUTES to a newly created decl.  And call
7572         valid_attribute_p so that proper cl_target_optimization_node
7573         is set for the newly created declaration.
7574         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7575         for declaration.
7576         (expand_target_clones): Do not call valid_attribute_p, it must
7577         be already done.
7578         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7579         vector types.
7580
7581 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7582
7583         PR target/88734
7584         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7585         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7586         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7587
7588 2019-01-17  Martin Sebor  <msebor@redhat.com>
7589
7590         PR middle-end/88273
7591         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7592         Handle anti-ranges the same as no range at all.
7593
7594 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7595
7596         * config/aarch64/aarch64.c (cgraph.h): New include.
7597         (intl.h): New include.
7598         (supported_simd_type): New function.
7599         (currently_supported_simd_type): Ditto.
7600         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7601         (aarch64_simd_clone_adjust): Ditto.
7602         (aarch64_simd_clone_usable): Ditto.
7603         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7604         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7605         (TARGET_SIMD_CLONE_USABLE): Ditto.
7606         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7607         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7608         call.
7609
7610 2019-01-17  Martin Sebor  <msebor@redhat.com>
7611
7612         PR tree-optimization/88800
7613         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7614         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7615         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7616         redundant argument.  Add new argument and issue diagnostics under
7617         its control.  Detect out-of-bounds access even with warnings
7618         disabled.
7619         (check_bounds_or_overlap): Change return type.  Add argument.
7620         (wrestrict_dom_walker::check_call): Adjust.
7621         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7622         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7623         check_bounds_or_overlap's return value.
7624         (handle_builtin_stxncpy): Same.
7625         (handle_builtin_strcat): Same.
7626
7627 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7628             Kwok Cheung Yeung  <kcy@codesourcery.com>
7629             Julian Brown  <julian@codesourcery.com>
7630             Tom de Vries  <tom@codesourcery.com>
7631
7632         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7633
7634 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7635
7636         * doc/sourcebuild.texi: Document dg-require-effective-target
7637         llvm_binutils and offload_gcn.
7638
7639 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7640             Kwok Cheung Yeung  <kcy@codesourcery.com>
7641             Julian Brown  <julian@codesourcery.com>
7642             Tom de Vries  <tom@codesourcery.com>
7643
7644         * doc/sourcebuild.texi: Document dg-required-effective-target
7645         exceptions.
7646
7647 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7648             Kwok Cheung Yeung  <kcy@codesourcery.com>
7649             Julian Brown  <julian@codesourcery.com>
7650             Tom de Vries  <tom@codesourcery.com>
7651             Jan Hubicka  <hubicka@ucw.cz>
7652             Martin Jambor  <mjambor@suse.cz>
7653
7654         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7655         * configure.ac: Check for dlopen.
7656         * configure: Regenerate.
7657
7658 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7659             Kwok Cheung Yeung  <kcy@codesourcery.com>
7660             Julian Brown  <julian@codesourcery.com>
7661             Tom de Vries  <tom@codesourcery.com>
7662             Jan Hubicka  <hubicka@ucw.cz>
7663             Martin Jambor  <mjambor@suse.cz>
7664
7665         * common/config/gcn/gcn-common.c: New file.
7666         * config/gcn/driver-gcn.c: New file.
7667         * config/gcn/gcn-builtins.def: New file.
7668         * config/gcn/gcn-hsa.h: New file.
7669         * config/gcn/gcn-modes.def: New file.
7670         * config/gcn/gcn-opts.h: New file.
7671         * config/gcn/gcn-passes.def: New file.
7672         * config/gcn/gcn-protos.h: New file.
7673         * config/gcn/gcn-run.c: New file.
7674         * config/gcn/gcn-tree.c: New file.
7675         * config/gcn/gcn.c: New file.
7676         * config/gcn/gcn.h: New file.
7677         * config/gcn/gcn.opt: New file.
7678         * config/gcn/t-gcn-hsa: New file.
7679
7680 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7681             Kwok Cheung Yeung  <kcy@codesourcery.com>
7682             Julian Brown  <julian@codesourcery.com>
7683             Tom de Vries  <tom@codesourcery.com>
7684             Jan Hubicka  <hubicka@ucw.cz>
7685             Martin Jambor  <mjambor@suse.cz>
7686
7687         * config/gcn/constraints.md: New file.
7688         * config/gcn/gcn-valu.md: New file.
7689         * config/gcn/gcn.md: New file.
7690         * config/gcn/predicates.md: New file.
7691
7692 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7693
7694         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7695         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7696         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7697         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7698
7699 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7700
7701         PR target/88851
7702         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7703         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7704         it and document registers.
7705
7706 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7707
7708         * config/aarch64/aarch64.c (ares_tunings): Define.
7709         * config/aarch64/aarch64-cores.def (ares): Use the above.
7710
7711 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7712
7713         PR target/88794
7714         Revert:
7715         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7716
7717         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7718         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7719         (_mm512_maskz_fixupimm_round_pd): Ditto.
7720         (_mm512_fixupimm_round_ps): Ditto.
7721         (_mm512_maskz_fixupimm_round_ps): Ditto.
7722         (_mm_fixupimm_round_sd): Ditto.
7723         (_mm_maskz_fixupimm_round_sd): Ditto.
7724         (_mm_fixupimm_round_ss): Ditto.
7725         (_mm_maskz_fixupimm_round_ss): Ditto.
7726         (_mm512_fixupimm_pd): Ditto.
7727         (_mm512_maskz_fixupimm_pd): Ditto.
7728         (_mm512_fixupimm_ps): Ditto.
7729         (_mm512_maskz_fixupimm_ps): Ditto.
7730         (_mm_fixupimm_sd): Ditto.
7731         (_mm_maskz_fixupimm_sd): Ditto.
7732         (_mm_fixupimm_ss): Ditto.
7733         (_mm_maskz_fixupimm_ss): Ditto.
7734         (_mm512_mask_fixupimm_round_pd): Update builtin.
7735         (_mm512_mask_fixupimm_round_ps): Ditto.
7736         (_mm_mask_fixupimm_round_sd): Ditto.
7737         (_mm_mask_fixupimm_round_ss): Ditto.
7738         (_mm512_mask_fixupimm_pd): Ditto.
7739         (_mm512_mask_fixupimm_ps): Ditto.
7740         (_mm_mask_fixupimm_sd): Ditto.
7741         (_mm_mask_fixupimm_ss): Ditto.
7742         * config/i386/avx512vlintrin.h:
7743         (_mm256_fixupimm_pd): Update parameters and builtin.
7744         (_mm256_maskz_fixupimm_pd): Ditto.
7745         (_mm256_fixupimm_ps): Ditto.
7746         (_mm256_maskz_fixupimm_ps): Ditto.
7747         (_mm_fixupimm_pd): Ditto.
7748         (_mm_maskz_fixupimm_pd): Ditto.
7749         (_mm_fixupimm_ps): Ditto.
7750         (_mm_maskz_fixupimm_ps): Ditto.
7751         (_mm256_mask_fixupimm_pd): Update builtin.
7752         (_mm256_mask_fixupimm_ps): Ditto.
7753         (_mm_mask_fixupimm_pd): Ditto.
7754         (_mm_mask_fixupimm_ps): Ditto.
7755         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7756         * config/i386/i386-builtin.def: Update builtin definitions.
7757         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7758         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7759         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7760         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7761         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7762         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7763         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7764         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7765         * config/i386/subst.md:
7766         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7767         (round_saeonly_sd_mask_op4): Ditto.
7768         (round_saeonly_expand_operand5): Ditto.
7769         (round_saeonly_expand): Update.
7770
7771 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7772
7773         PR target/88794
7774         Revert:
7775         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7776
7777         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7778         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7779         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7780         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7781         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7782         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7783         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7784
7785 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7786
7787         PR target/88794
7788         Revert:
7789         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7790
7791         PR target/88489
7792         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7793         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7794         instead of UNSPEC_FIXUPIMM.
7795
7796 2019-01-17  Richard Biener  <rguenther@suse.de>
7797
7798         PR lto/86736
7799         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7800         and friends for the LTO part of debug info.
7801
7802 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7803
7804         PR tree-optimization/86214
7805         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7806         if x == y.
7807
7808         PR rtl-optimization/88870
7809         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7810         throw if we can't alter the cfg or delete dead exceptions.
7811         (mark_insn): Don't call find_call_stack_args for such calls.
7812
7813 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7814
7815         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7816         prototypes for vec_st.
7817         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7818         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7819         mainly on signed/unsigned long long and double.
7820
7821 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7822
7823         PR target/88861
7824         * combine.c (delete_noop_moves): Convert to "bool" return,
7825         returning true if any edges are eliminated.
7826         (combine_instructions): Also return true if delete_noop_moves
7827         returns true.
7828
7829 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7830
7831         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7832         correct max nunits for endian swap.
7833         (aarch64_expand_fcmla_builtin): Correct subreg code.
7834         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7835         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7836         lane endianness.
7837
7838 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7839
7840         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7841         Handle split indirect COMPLEX_TYPE arguments.
7842
7843 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7844
7845         PR target/86891
7846         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7847         bit is set by add and compare.
7848         (CC_ADC): New CC_MODE.
7849         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7850         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7851         comparison.  Add detection for CC_ADCmode.
7852         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7853         CC_ADCmode.
7854         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7855         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7856         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7857         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7858         to eliminate the need for zero-extending the operands.
7859         (add<mode>3_compareC_imm): Delete.  Merge into ...
7860         (add<mode>3_compareC): ... this.  Restructure the comparison to
7861         eliminate the need for zero-extending the operands.
7862         (add<mode>3_carryin): Use LTU for the overflow detection.
7863         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7864         Reexpress comparison for overflow.
7865         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7866         (add<mode>3_carryinC): Likewise.
7867         (add<mode>3_carryinV): Use LTU for carry between partials.
7868         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7869         handling of CC_Cmode and add CC_ADCmode.
7870         (aarch64_borrow_operation): Likewise.
7871
7872 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7873
7874         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7875         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7876         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7877         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7878
7879 2019-01-16  Martin Liska  <mliska@suse.cz>
7880
7881         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7882         for GCC driver.
7883         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7884         a new argument.
7885         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7886         (path_prefix_reset): Move up in the source file.
7887         (find_fortran_preinclude_file): Make complex search for the
7888         fortran header files.
7889
7890 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7891
7892         * godump.c (go_output_typedef): When outputting a typedef, refer
7893         to the underlying type by its name and not its structure.
7894
7895 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7896
7897         PR c++/88795
7898         * tree.c (build_function_type): Assert that arg_types is not
7899         error_mark_node.
7900
7901 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7902
7903         PR inline-asm/52813
7904         * doc/extend.texi: Document that listing the stack pointer in the
7905         clobber list of an asm is a deprecated feature.
7906         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7907         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7908         warning instead of an error for clobbers of the stack pointer.
7909         Add a note explaining why.
7910
7911 2019-01-15  Richard Biener  <rguenther@suse.de>
7912
7913         PR debug/88046
7914         * dwarf2out.c (gen_member_die): Do not generate inheritance
7915         DIEs late.
7916
7917 2019-01-15  Richard Biener  <rguenther@suse.de>
7918
7919         PR tree-optimization/88855
7920         * tree-if-conv.c (combine_blocks): Collect
7921         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7922
7923 2019-01-15  Tom de Vries  <tdevries@suse.de>
7924
7925         PR target/80547
7926         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7927         lhs == NULL_TREE for gang-level reduction.
7928
7929 2019-01-15  Richard Biener  <rguenther@suse.de>
7930             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7931
7932         PR ipa/88788
7933         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
7934         return true if SSA_NAME is already marked in visited bitmap.
7935         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
7936
7937 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
7938
7939         PR tree-optimization/88775
7940         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
7941         equal == 0 equality pointer comparisons some more if compared in
7942         integral types and either one points to an automatic var and the
7943         other to a global, or we can prove at least one points to the middle
7944         or both point to start or both point to end.
7945
7946 2019-01-14  Andi Kleen  <ak@linux.intel.com>
7947
7948         * Makefile.in: Lower autofdo sampling rate by 10x.
7949         * Makefile.tpl: Dito.
7950
7951 2019-01-14  Tom Honermann  <tom@honermann.net>
7952
7953         * defaults.h: Define CHAR8_TYPE.
7954
7955 2019-01-14  Martin Sebor  <msebor@redhat.com>
7956
7957         PR target/88638
7958         * doc/extend.texi (Darwin Format Checks): Clarify.
7959
7960 2019-01-14  Richard Biener  <rguenther@suse.de>
7961
7962         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
7963         whether we are in (simplify ...) or (match ...) context.
7964
7965 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
7966
7967         PR rtl-optimization/88796
7968         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
7969         * cfgexpand.c (stack_protect_prologue): Initialize
7970         crtl->stack_protect_guard_decl.
7971         * function.c (stack_protect_epilogue): Use it instead of calling
7972         targetm.stack_protect_guard again.
7973         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
7974         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
7975         crtl->stack_protect_guard_decl.
7976         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
7977         on the returned MEM_EXPR.
7978
7979 2019-01-12  Tom de Vries  <tdevries@suse.de>
7980
7981         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
7982         vector length using -fopenacc-dim.
7983
7984 2019-01-12  Tom de Vries  <tdevries@suse.de>
7985
7986         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
7987         lengths into account.
7988
7989 2019-01-12  Svante Signell  <svante.signell@gmail.com>
7990
7991         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
7992         (TARGET_CAN_SPLIT_STACK): Define.
7993         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
7994
7995 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
7996
7997         * params.def (inline-unit-growth): Set to 40.
7998
7999 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8000
8001         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8002
8003 2019-01-12  Tom de Vries  <tdevries@suse.de>
8004
8005         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8006         region calling vector-partitionable routine, set default_vector_length
8007         to WARP_SIZE.
8008
8009 2019-01-12  Tom de Vries  <tdevries@suse.de>
8010
8011         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8012         variable default_vector_length.
8013
8014 2019-01-12  Tom de Vries  <tdevries@suse.de>
8015
8016         PR middle-end/88703
8017         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8018         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8019         dimensions limits.
8020
8021 2019-01-12  Tom de Vries  <tdevries@suse.de>
8022
8023         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8024         (nvptx_goacc_validate_dims): Add used parameter.
8025         * doc/tm.texi: Regenerate.
8026         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8027         argument to call to targetm.goacc.validate_dims.
8028         (default_goacc_validate_dims): Add used
8029         parameter.
8030         * target.def (validate_dims): Add used parameter in DEFHOOK.
8031         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8032
8033 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8034
8035         PR middle-end/85956
8036         PR lto/88733
8037         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8038         field.
8039         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8040         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8041         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8042         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8043
8044 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8045
8046         PR rtl-optimization/87305
8047         * lra-assigns.c
8048         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8049         for little endian pseudos used as paradoxical subreg.
8050
8051 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8052
8053         PR tree-optimization/88693
8054         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8055         for STRING_CSTs that don't contain any NUL characters in the first
8056         TREE_STRING_LENGTH bytes.
8057
8058 2019-01-11  Alan Modra  <amodra@gmail.com>
8059
8060         PR 88777
8061         PR 88614
8062         * genattrtab.c (min_fn): Don't translate values.
8063         (min_attr_value): Return INT_MAX when the value can't be calculated.
8064         Return minimum among any values that can be calculated.
8065         (max_attr_value): Adjust.
8066
8067 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8068
8069         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8070
8071 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8072
8073         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8074         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8075         (aarch64_return_call_with_max_clobbers): New function.
8076         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8077         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8078         argument.
8079         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8080         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8081         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8082         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8083         * cselib.c (cselib_process_insn): Add argument to
8084         targetm.hard_regno_call_part_clobbered call.
8085         * ira-conflicts.c (ira_build_conflicts): Ditto.
8086         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8087         * lra-constraints.c (inherit_reload_reg): Ditto.
8088         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8089         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8090         argument.  Call targetm.return_call_with_max_clobbers.
8091         Add argument to targetm.hard_regno_call_part_clobbered call.
8092         (calls_have_same_clobbers_p): New function.
8093         (process_bb_lives): Add call_insn and last_call_insn variables.
8094         Pass call_insn to check_pseudos_live_through_calls.
8095         Modify if stmt to check targetm.return_call_with_max_clobbers.
8096         Update setting of flush variable.
8097         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8098         to false.
8099         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8100         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8101         targetm.hard_regno_call_part_clobbered call.
8102         * reginfo.c (choose_hard_reg_mode): Ditto.
8103         * regrename.c (check_new_reg_p): Ditto.
8104         * reload.c (find_equiv_reg): Ditto.
8105         * reload1.c (emit_reload_insns): Ditto.
8106         * sched-deps.c (deps_analyze_insn): Ditto.
8107         * sel-sched.c (init_regs_for_mode): Ditto.
8108         (mark_unavailable_hard_regs): Ditto.
8109         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8110         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8111         (return_call_with_max_clobbers): New target function.
8112         * doc/tm.texi: Regenerate.
8113         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8114         * hooks.c (hook_bool_uint_mode_false): Change to
8115         hook_bool_insn_uint_mode_false.
8116         * hooks.h (hook_bool_uint_mode_false): Ditto.
8117
8118 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8119
8120         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8121         (aarch64_remove_extra_call_preserved_regs): New function.
8122         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8123         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8124         * doc/tm.texi: Regenerate.
8125         * final.c (get_call_reg_set_usage): Call new hook.
8126         * target.def (remove_extra_call_preserved_regs): New hook.
8127         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8128         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8129
8130 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8131
8132         PR bootstrap/88714
8133         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8134         inside of pass_combine_1 dump rather than pass_profile_1.
8135
8136 2019-01-11  Tom de Vries  <tdevries@suse.de>
8137
8138         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8139         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8140         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8141         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8142         num_workers 16.
8143
8144 2019-01-11  Tom de Vries  <tdevries@suse.de>
8145
8146         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8147
8148 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8149
8150         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8151         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8152         sse2_cvtsi2sd): Add {l}.
8153         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8154         syntax.
8155
8156 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8157
8158         PR target/88785
8159         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8160         define_expand.
8161         (*float<floatunssuffix>v2div2sf2): New define_insn.
8162         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8163         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8164         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8165         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8166         match_operands with "const0_operand" "C".
8167
8168 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8169
8170         * config/aarch64/aarch64-builtins.c
8171         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8172         (aarch64_init_simd_builtins): ...Here
8173
8174 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8175
8176         PR rtl-optimization/87305
8177         * lra-assigns.c
8178         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8179         allocation for big endian pseudos used as paradoxical subregs and
8180         spill them if it is wrong.
8181         * lra-constraints.c (lra_constraints): Add a comment.
8182
8183 2019-01-10  Richard Biener  <rguenther@suse.de>
8184
8185         PR tree-optimization/88792
8186         * tree-ssa-pre.c (get_representative_for): Do not return a
8187         value-number here.
8188
8189 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8190
8191         PR middle-end/84877
8192         PR bootstrap/88450
8193         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8194         (assign_parm_setup_block): Do the argument slot realignment here
8195         instead.
8196
8197 2019-01-10  Stefan Agner  <stefan@agner.ch>
8198
8199         PR target/88648
8200         * config/arm/arm.c (arm_option_override_internal): Force
8201         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8202
8203 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8204
8205         PR c/88568
8206         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8207         DECL_EXTERNAL.
8208
8209 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8210
8211         * config/arm/arm-builtins.c
8212         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8213         (MAC_LANE_PAIR_QUALIFIERS): New.
8214         (arm_expand_builtin_args): Use it.
8215         (arm_expand_builtin_1): Likewise.
8216         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8217         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8218         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8219         * config/arm/arm_neon.h:
8220         (vcadd_rot90_f16): New.
8221         (vcaddq_rot90_f16): New.
8222         (vcadd_rot270_f16): New.
8223         (vcaddq_rot270_f16): New.
8224         (vcmla_f16): New.
8225         (vcmlaq_f16): New.
8226         (vcmla_lane_f16): New.
8227         (vcmla_laneq_f16): New.
8228         (vcmlaq_lane_f16): New.
8229         (vcmlaq_laneq_f16): New.
8230         (vcmla_rot90_f16): New.
8231         (vcmlaq_rot90_f16): New.
8232         (vcmla_rot90_lane_f16): New.
8233         (vcmla_rot90_laneq_f16): New.
8234         (vcmlaq_rot90_lane_f16): New.
8235         (vcmlaq_rot90_laneq_f16): New.
8236         (vcmla_rot180_f16): New.
8237         (vcmlaq_rot180_f16): New.
8238         (vcmla_rot180_lane_f16): New.
8239         (vcmla_rot180_laneq_f16): New.
8240         (vcmlaq_rot180_lane_f16): New.
8241         (vcmlaq_rot180_laneq_f16): New.
8242         (vcmla_rot270_f16): New.
8243         (vcmlaq_rot270_f16): New.
8244         (vcmla_rot270_lane_f16): New.
8245         (vcmla_rot270_laneq_f16): New.
8246         (vcmlaq_rot270_lane_f16): New.
8247         (vcmlaq_rot270_laneq_f16): New.
8248         (vcadd_rot90_f32): New.
8249         (vcaddq_rot90_f32): New.
8250         (vcadd_rot270_f32): New.
8251         (vcaddq_rot270_f32): New.
8252         (vcmla_f32): New.
8253         (vcmlaq_f32): New.
8254         (vcmla_lane_f32): New.
8255         (vcmla_laneq_f32): New.
8256         (vcmlaq_lane_f32): New.
8257         (vcmlaq_laneq_f32): New.
8258         (vcmla_rot90_f32): New.
8259         (vcmlaq_rot90_f32): New.
8260         (vcmla_rot90_lane_f32): New.
8261         (vcmla_rot90_laneq_f32): New.
8262         (vcmlaq_rot90_lane_f32): New.
8263         (vcmlaq_rot90_laneq_f32): New.
8264         (vcmla_rot180_f32): New.
8265         (vcmlaq_rot180_f32): New.
8266         (vcmla_rot180_lane_f32): New.
8267         (vcmla_rot180_laneq_f32): New.
8268         (vcmlaq_rot180_lane_f32): New.
8269         (vcmlaq_rot180_laneq_f32): New.
8270         (vcmla_rot270_f32): New.
8271         (vcmlaq_rot270_f32): New.
8272         (vcmla_rot270_lane_f32): New.
8273         (vcmla_rot270_laneq_f32): New.
8274         (vcmlaq_rot270_lane_f32): New.
8275         (vcmlaq_rot270_laneq_f32): New.
8276         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8277         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8278         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8279         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8280         vcmlaq_lane270): New.
8281         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8282         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8283         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8284         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8285         (arm_option_reconfigure_globals): Use them.
8286         * config/arm/iterators.md (VDF, VQ_HSF): New.
8287         (VCADD, VCMLA): New.
8288         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8289         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8290         New.
8291         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8292         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8293
8294 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8295
8296         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8297         Add qualifier_lane_pair_index.
8298         (emit-rtl.h): Include.
8299         (TYPES_QUADOP_LANE_PAIR): New.
8300         (aarch64_simd_expand_args): Use it.
8301         (aarch64_simd_expand_builtin): Likewise.
8302         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8303         New.
8304         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8305         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8306         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8307         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8308         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8309         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8310         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8311         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8312         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8313         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8314         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8315         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8316         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8317         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8318         Add __ARM_FEATURE_COMPLEX.
8319         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8320         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8321         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8322         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8323         fcmlaq_lane270): New.
8324         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8325         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8326         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8327         * config/aarch64/arm_neon.h:
8328         (vcadd_rot90_f16): New.
8329         (vcaddq_rot90_f16): New.
8330         (vcadd_rot270_f16): New.
8331         (vcaddq_rot270_f16): New.
8332         (vcmla_f16): New.
8333         (vcmlaq_f16): New.
8334         (vcmla_lane_f16): New.
8335         (vcmla_laneq_f16): New.
8336         (vcmlaq_lane_f16): New.
8337         (vcmlaq_rot90_lane_f16): New.
8338         (vcmla_rot90_laneq_f16): New.
8339         (vcmla_rot90_lane_f16): New.
8340         (vcmlaq_rot90_f16): New.
8341         (vcmla_rot90_f16): New.
8342         (vcmlaq_laneq_f16): New.
8343         (vcmla_rot180_laneq_f16): New.
8344         (vcmla_rot180_lane_f16): New.
8345         (vcmlaq_rot180_f16): New.
8346         (vcmla_rot180_f16): New.
8347         (vcmlaq_rot90_laneq_f16): New.
8348         (vcmlaq_rot270_laneq_f16): New.
8349         (vcmlaq_rot270_lane_f16): New.
8350         (vcmla_rot270_laneq_f16): New.
8351         (vcmlaq_rot270_f16): New.
8352         (vcmla_rot270_f16): New.
8353         (vcmlaq_rot180_laneq_f16): New.
8354         (vcmlaq_rot180_lane_f16): New.
8355         (vcmla_rot270_lane_f16): New.
8356         (vcadd_rot90_f32): New.
8357         (vcaddq_rot90_f32): New.
8358         (vcaddq_rot90_f64): New.
8359         (vcadd_rot270_f32): New.
8360         (vcaddq_rot270_f32): New.
8361         (vcaddq_rot270_f64): New.
8362         (vcmla_f32): New.
8363         (vcmlaq_f32): New.
8364         (vcmlaq_f64): New.
8365         (vcmla_lane_f32): New.
8366         (vcmla_laneq_f32): New.
8367         (vcmlaq_lane_f32): New.
8368         (vcmlaq_laneq_f32): New.
8369         (vcmla_rot90_f32): New.
8370         (vcmlaq_rot90_f32): New.
8371         (vcmlaq_rot90_f64): New.
8372         (vcmla_rot90_lane_f32): New.
8373         (vcmla_rot90_laneq_f32): New.
8374         (vcmlaq_rot90_lane_f32): New.
8375         (vcmlaq_rot90_laneq_f32): New.
8376         (vcmla_rot180_f32): New.
8377         (vcmlaq_rot180_f32): New.
8378         (vcmlaq_rot180_f64): New.
8379         (vcmla_rot180_lane_f32): New.
8380         (vcmla_rot180_laneq_f32): New.
8381         (vcmlaq_rot180_lane_f32): New.
8382         (vcmlaq_rot180_laneq_f32): New.
8383         (vcmla_rot270_f32): New.
8384         (vcmlaq_rot270_f32): New.
8385         (vcmlaq_rot270_f64): New.
8386         (vcmla_rot270_lane_f32): New.
8387         (vcmla_rot270_laneq_f32): New.
8388         (vcmlaq_rot270_lane_f32): New.
8389         (vcmlaq_rot270_laneq_f32): New.
8390         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8391         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8392         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8393         (FCADD, FCMLA): New.
8394         (rot): New.
8395         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8396
8397 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8398
8399         PR other/16615
8400
8401         * config/pa/pa.c: Change "can not" to "cannot".
8402         * gimple-ssa-evrp-analyze.c: Likewise.
8403         * ipa-icf.c: Likewise.
8404         * ipa-polymorphic-call.c: Likewise.
8405         * ipa-pure-const.c: Likewise.
8406         * lra-constraints.c: Likewise.
8407         * lra-remat.c: Likewise.
8408         * reload1.c: Likewise.
8409         * reorg.c: Likewise.
8410         * tree-ssa-uninit.c: Likewise.
8411
8412 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8413
8414         PR other/16615
8415
8416         * Makefile.in: Mechanically replace "can not" with "cannot".
8417         * alias.c: Likewise.
8418         * builtins.c: Likewise.
8419         * calls.c: Likewise.
8420         * cgraph.c: Likewise.
8421         * cgraph.h: Likewise.
8422         * cgraphclones.c: Likewise.
8423         * cgraphunit.c: Likewise.
8424         * combine-stack-adj.c: Likewise.
8425         * combine.c: Likewise.
8426         * common/config/i386/i386-common.c: Likewise.
8427         * config/aarch64/aarch64.c: Likewise.
8428         * config/alpha/sync.md: Likewise.
8429         * config/arc/arc.c: Likewise.
8430         * config/arc/predicates.md: Likewise.
8431         * config/arm/arm-c.c: Likewise.
8432         * config/arm/arm.c: Likewise.
8433         * config/arm/arm.h: Likewise.
8434         * config/arm/arm.md: Likewise.
8435         * config/arm/cortex-r4f.md: Likewise.
8436         * config/csky/csky.c: Likewise.
8437         * config/csky/csky.h: Likewise.
8438         * config/darwin-f.c: Likewise.
8439         * config/epiphany/epiphany.md: Likewise.
8440         * config/i386/i386.c: Likewise.
8441         * config/i386/sol2.h: Likewise.
8442         * config/m68k/m68k.c: Likewise.
8443         * config/mcore/mcore.h: Likewise.
8444         * config/microblaze/microblaze.md: Likewise.
8445         * config/mips/20kc.md: Likewise.
8446         * config/mips/sb1.md: Likewise.
8447         * config/nds32/nds32.c: Likewise.
8448         * config/nds32/predicates.md: Likewise.
8449         * config/pa/pa.c: Likewise.
8450         * config/rs6000/e300c2c3.md: Likewise.
8451         * config/rs6000/rs6000.c: Likewise.
8452         * config/s390/s390.h: Likewise.
8453         * config/sh/sh.c: Likewise.
8454         * config/sh/sh.md: Likewise.
8455         * config/spu/vmx2spu.h: Likewise.
8456         * cprop.c: Likewise.
8457         * dbxout.c: Likewise.
8458         * df-scan.c: Likewise.
8459         * doc/cfg.texi: Likewise.
8460         * doc/extend.texi: Likewise.
8461         * doc/fragments.texi: Likewise.
8462         * doc/gty.texi: Likewise.
8463         * doc/invoke.texi: Likewise.
8464         * doc/lto.texi: Likewise.
8465         * doc/md.texi: Likewise.
8466         * doc/objc.texi: Likewise.
8467         * doc/rtl.texi: Likewise.
8468         * doc/tm.texi: Likewise.
8469         * dse.c: Likewise.
8470         * emit-rtl.c: Likewise.
8471         * emit-rtl.h: Likewise.
8472         * except.c: Likewise.
8473         * expmed.c: Likewise.
8474         * expr.c: Likewise.
8475         * fold-const.c: Likewise.
8476         * genautomata.c: Likewise.
8477         * gimple-fold.c: Likewise.
8478         * hard-reg-set.h: Likewise.
8479         * ifcvt.c: Likewise.
8480         * ipa-comdats.c: Likewise.
8481         * ipa-cp.c: Likewise.
8482         * ipa-devirt.c: Likewise.
8483         * ipa-fnsummary.c: Likewise.
8484         * ipa-icf.c: Likewise.
8485         * ipa-inline-transform.c: Likewise.
8486         * ipa-inline.c: Likewise.
8487         * ipa-polymorphic-call.c: Likewise.
8488         * ipa-profile.c: Likewise.
8489         * ipa-prop.c: Likewise.
8490         * ipa-pure-const.c: Likewise.
8491         * ipa-reference.c: Likewise.
8492         * ipa-split.c: Likewise.
8493         * ipa-visibility.c: Likewise.
8494         * ipa.c: Likewise.
8495         * ira-build.c: Likewise.
8496         * ira-color.c: Likewise.
8497         * ira-conflicts.c: Likewise.
8498         * ira-costs.c: Likewise.
8499         * ira-int.h: Likewise.
8500         * ira-lives.c: Likewise.
8501         * ira.c: Likewise.
8502         * ira.h: Likewise.
8503         * loop-invariant.c: Likewise.
8504         * loop-unroll.c: Likewise.
8505         * lower-subreg.c: Likewise.
8506         * lra-assigns.c: Likewise.
8507         * lra-constraints.c: Likewise.
8508         * lra-eliminations.c: Likewise.
8509         * lra-lives.c: Likewise.
8510         * lra-remat.c: Likewise.
8511         * lra-spills.c: Likewise.
8512         * lra.c: Likewise.
8513         * lto-cgraph.c: Likewise.
8514         * lto-streamer-out.c: Likewise.
8515         * postreload-gcse.c: Likewise.
8516         * predict.c: Likewise.
8517         * profile-count.h: Likewise.
8518         * profile.c: Likewise.
8519         * recog.c: Likewise.
8520         * ree.c: Likewise.
8521         * reload.c: Likewise.
8522         * reload1.c: Likewise.
8523         * reorg.c: Likewise.
8524         * resource.c: Likewise.
8525         * rtl.def: Likewise.
8526         * rtl.h: Likewise.
8527         * rtlanal.c: Likewise.
8528         * sched-deps.c: Likewise.
8529         * sched-ebb.c: Likewise.
8530         * sched-rgn.c: Likewise.
8531         * sel-sched-ir.c: Likewise.
8532         * sel-sched.c: Likewise.
8533         * shrink-wrap.c: Likewise.
8534         * simplify-rtx.c: Likewise.
8535         * symtab.c: Likewise.
8536         * target.def: Likewise.
8537         * toplev.c: Likewise.
8538         * tree-call-cdce.c: Likewise.
8539         * tree-cfg.c: Likewise.
8540         * tree-complex.c: Likewise.
8541         * tree-core.h: Likewise.
8542         * tree-eh.c: Likewise.
8543         * tree-inline.c: Likewise.
8544         * tree-loop-distribution.c: Likewise.
8545         * tree-nrv.c: Likewise.
8546         * tree-profile.c: Likewise.
8547         * tree-sra.c: Likewise.
8548         * tree-ssa-alias.c: Likewise.
8549         * tree-ssa-dce.c: Likewise.
8550         * tree-ssa-dom.c: Likewise.
8551         * tree-ssa-forwprop.c: Likewise.
8552         * tree-ssa-loop-im.c: Likewise.
8553         * tree-ssa-loop-ivcanon.c: Likewise.
8554         * tree-ssa-loop-ivopts.c: Likewise.
8555         * tree-ssa-loop-niter.c: Likewise.
8556         * tree-ssa-phionlycprop.c: Likewise.
8557         * tree-ssa-phiopt.c: Likewise.
8558         * tree-ssa-propagate.c: Likewise.
8559         * tree-ssa-threadedge.c: Likewise.
8560         * tree-ssa-threadupdate.c: Likewise.
8561         * tree-ssa-uninit.c: Likewise.
8562         * tree-ssanames.c: Likewise.
8563         * tree-streamer-out.c: Likewise.
8564         * tree.c: Likewise.
8565         * tree.h: Likewise.
8566         * vr-values.c: Likewise.
8567
8568 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8569
8570         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8571         (ix86_split_xorsign): Ditto.
8572         * config/i386/i386.c (ix86_expand_xorsign): New function.
8573         (ix86_split_xorsign): Ditto.
8574         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8575         (xorsign<mode>3): New expander.
8576         (xorsign<mode>3_1): New insn_and_split pattern.
8577         * config/i386/sse.md (xorsign<mode>3): New expander.
8578
8579 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8580
8581         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8582         (*tablejump_sp64): Likewise.
8583         (*tablejump<P:mode>): ...this.
8584         (*call_address_sp32): Merge into...
8585         (*call_address_sp64): Likewise.
8586         (*call_address<P:mode>): ...this.
8587         (*call_symbolic_sp32): Merge into...
8588         (*call_symbolic_sp64): Likewise.
8589         (*call_symbolic<P:mode>): ...this.
8590         (call_value): Remove constraint and add predicate.
8591         (*call_value_address_sp32): Merge into...
8592         (*call_value_address_sp64): Likewise.
8593         (*call_value_address<P:mode>): ...this.
8594         (*call_value_symbolic_sp32): Merge into...
8595         (*call_value_symbolic_sp64): Likewise.
8596         (*call_value_symbolic<P:mode>): ...this.
8597         (*sibcall_symbolic_sp32): Merge into...
8598         (*sibcall_symbolic_sp64): Likewise.
8599         (*sibcall_symbolic<P:mode>): ...this.
8600         (sibcall_value): Remove constraint and add predicate.
8601         (*sibcall_value_symbolic_sp32): Merge into...
8602         (*sibcall_value_symbolic_sp64): Likewise.
8603         (*sibcall_value_symbolic<P:mode>): ...this.
8604         (window_save): Minor tweak.
8605         (*branch_sp32): Merge into...
8606         (*branch_sp64): Likewise.
8607         (*branch<P:mode>): ...this.
8608
8609 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8610             James Clarke  <jrtc27@jrtc27.com>
8611
8612         PR target/84010
8613         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8614         consistently in TLS address generation and adjust code to the renaming
8615         of patterns.  Mark calls to __tls_get_addr as const.
8616         * config/sparc/sparc.md (tgd_hi22): Turn into...
8617         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8618         (tgd_lo10): Turn into...
8619         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8620         (tgd_add32): Merge into...
8621         (tgd_add64): Likewise.
8622         (tgd_add<P:mode>): ...this and use Pmode throughout.
8623         (tldm_hi22): Turn into...
8624         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8625         (tldm_lo10): Turn into...
8626         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8627         (tldm_add32): Merge into...
8628         (tldm_add64): Likewise.
8629         (tldm_add<P:mode>): ...this and use Pmode throughout.
8630         (tldm_call32): Merge into...
8631         (tldm_call64): Likewise.
8632         (tldm_call<P:mode>): ...this and use Pmode throughout.
8633         (tldo_hix22): Turn into...
8634         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8635         (tldo_lox10): Turn into...
8636         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8637         (tldo_add32): Merge into...
8638         (tldo_add64): Likewise.
8639         (tldo_add<P:mode>): ...this and use Pmode throughout.
8640         (tie_hi22): Turn into...
8641         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8642         (tie_lo10): Turn into...
8643         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8644         (tie_ld64): Use DImode throughout.
8645         (tie_add32): Merge into...
8646         (tie_add64): Likewise.
8647         (tie_add<P:mode>): ...this and use Pmode throughout.
8648         (tle_hix22_sp32): Merge into...
8649         (tle_hix22_sp64): Likewise.
8650         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8651         (tle_lox22_sp32): Merge into...
8652         (tle_lox22_sp64): Likewise.
8653         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8654         (*tldo_ldub_sp32): Merge into...
8655         (*tldo_ldub_sp64): Likewise.
8656         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8657         (*tldo_ldub1_sp32): Merge into...
8658         (*tldo_ldub1_sp64): Likewise.
8659         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8660         (*tldo_ldub2_sp32): Merge into...
8661         (*tldo_ldub2_sp64): Likewise.
8662         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8663         (*tldo_ldsb1_sp32): Merge into...
8664         (*tldo_ldsb1_sp64): Likewise.
8665         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8666         (*tldo_ldsb2_sp32): Merge into...
8667         (*tldo_ldsb2_sp64): Likewise.
8668         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8669         (*tldo_ldub3_sp64): Use DImode throughout.
8670         (*tldo_ldsb3_sp64): Likewise.
8671         (*tldo_lduh_sp32): Merge into...
8672         (*tldo_lduh_sp64): Likewise.
8673         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8674         (*tldo_lduh1_sp32): Merge into...
8675         (*tldo_lduh1_sp64): Likewise.
8676         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8677         (*tldo_ldsh1_sp32): Merge into...
8678         (*tldo_ldsh1_sp64): Likewise.
8679         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8680         (*tldo_lduh2_sp64): Use DImode throughout.
8681         (*tldo_ldsh2_sp64): Likewise.
8682         (*tldo_lduw_sp32): Merge into...
8683         (*tldo_lduw_sp64): Likewise.
8684         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8685         (*tldo_lduw1_sp64): Use DImode throughout.
8686         (*tldo_ldsw1_sp64): Likewise.
8687         (*tldo_ldx_sp64): Likewise.
8688         (*tldo_stb_sp32): Merge into...
8689         (*tldo_stb_sp64): Likewise.
8690         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8691         (*tldo_sth_sp32): Merge into...
8692         (*tldo_sth_sp64): Likewise.
8693         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8694         (*tldo_stw_sp32): Merge into...
8695         (*tldo_stw_sp64): Likewise.
8696         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8697         (*tldo_stx_sp64): Use DImode throughout.
8698
8699 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8700
8701         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8702         check configure option to set BTI and Return Address Signing.
8703         * configure.ac: Add --enable-standard-branch-protection and
8704         --disable-standard-branch-protection.
8705         * configure: Regenerated.
8706         * doc/install.texi: Document the same.
8707
8708 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8709             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8710
8711         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8712         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8713         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8714         if bti is enabled.
8715         * config/aarch64/aarch64-bti-insert.c: New file.
8716         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8717         pass.
8718         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8719         new bti pass.
8720         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8721         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8722         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8723         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8724
8725 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8726
8727         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8728         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8729         Disable bti for -mbranch-protection=none.
8730         (aarch64_handle_standard_branch_protection): Enable bti for
8731         -mbranch-protection=standard.
8732         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8733         -mbranch-protection.
8734         (aarch64_bti_enabled): Check if bti is enabled.
8735         * config/aarch64/aarch64.opt: Declare target variable.
8736         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8737
8738 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8739
8740         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8741         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8742         (aarch64_expand_epilogue): Likewise.
8743         (aarch64_output_mi_thunk): Likewise
8744         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8745         TAILCALL_ADDR_REGS to x16 and x17.
8746         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8747
8748 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8749
8750         * config/aarch64/aarch64-option-extensions.def: Define
8751         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8752         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8753         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8754         (AARCH64_FL_PREDRES): New.
8755         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8756         AARCH64_FL_PREDRES by default.
8757         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8758
8759 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8760
8761         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8762         ARMv8.5-A.
8763         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8764         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8765         * doc/invoke.texi: Document ARMv8.5-A.
8766
8767 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8768
8769         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8770         (xorsign<mode>3): Likewise.
8771
8772 2019-01-09  Jelinek  <jakub@redhat.com>
8773
8774         PR middle-end/88758
8775         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8776         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8777
8778         PR rtl-optimization/88331
8779         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8780         not currently_expanding_to_rtl.
8781
8782 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8783
8784         * doc/invoke.texi (-Os): Remove trailing spaces.
8785         (-finline-functions): Remove reference to -O2.
8786
8787 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8788
8789         PR rtl-optimization/79593
8790         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8791
8792         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8793         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8794
8795 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8796
8797         PR bootstrap/88721
8798         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8799         to -1 on entry.
8800
8801         PR debug/88723
8802         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8803         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8804
8805 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8806
8807         PR target/88717
8808         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8809         ix86_avx_u128_mode_entry.
8810
8811 2019-01-08  Martin Liska  <mliska@suse.cz>
8812
8813         PR tree-optimization/88753
8814         * tree-switch-conversion.c (switch_conversion::build_one_array):
8815         Come up with local variable constructor.  Convert first to
8816         type of constructor values.
8817
8818 2019-01-08  Richard Biener  <rguenther@suse.de>
8819
8820         PR tree-optimization/86554
8821         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8822         rpo_avail): Move earlier.
8823         (visit_nary_op): When value-numbering to expressions
8824         with different overflow behavior make sure there's an
8825         available expression on the path.
8826
8827 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8828
8829         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8830         aarch64_parse_branch_protection,
8831         struct aarch64_branch_protect_type,
8832         aarch64_handle_no_branch_protection,
8833         aarch64_handle_standard_branch_protection,
8834         aarch64_validate_mbranch_protection,
8835         aarch64_handle_pac_ret_protection,
8836         aarch64_handle_attr_branch_protection,
8837         accepted_branch_protection_string,
8838         aarch64_pac_ret_subtypes,
8839         aarch64_branch_protect_types,
8840         aarch64_handle_pac_ret_leaf): Define.
8841         (aarch64_override_options_after_change_1, aarch64_override_options):
8842         Add check for accepted_branch_protection_string.
8843         (aarch64_option_save): Save accepted_branch_protection_string.
8844         (aarch64_option_restore): Save accepted_branch_protection_string.
8845         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8846         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8847         msign-return-address.
8848         * doc/invoke.texi: Add mbranch-protection.
8849
8850 2019-01-08  Alan Modra  <amodra@gmail.com>
8851
8852         PR target/88614
8853         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8854         Delete "unknownp" parameter.  Adjust callers.  Handle
8855         CONST_INT, PLUS, MINUS, and MULT.
8856         (attr_value_aligned): Renamed from or_attr_value.
8857         (min_attr_value): Return INT_MIN for unhandled rtl case..
8858         (min_fn): ..and translate to INT_MAX here.
8859         (write_length_unit_log): Modify to cope without "unknown".
8860         (write_attr_value): Handle IF_THEN_ELSE.
8861
8862 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8863
8864         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8865         optimization for masked stores.
8866
8867 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8868
8869         PR middle-end/88567
8870         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8871         output vector directly to duplicate_and_interleave instead of
8872         going through a temporary.  Postpone insertion of ctor_seq to
8873         the end of the loop.
8874
8875 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8876
8877         PR target/86891
8878         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8879         unsigned_p.  Handle signed and unsigned overflow correction as
8880         required.
8881         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8882         prototype.
8883         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8884         for operand 2.
8885         (add<mode>3_compareV_imm): Make this callable for expanding.
8886         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8887         aarch64_plus_operand for operand 2.
8888         (subv<GPI:mode>_insn): New insn pattern.
8889         (subv<GPI:mode>_imm): Likewise.
8890         (negv<GPI:mode>3): New expand pattern.
8891         (negv<GPI:mode>_insn): New insn pattern.
8892         (negv<GPI:mode>_cmp_only): Likewise.
8893         (cmpv<GPI:mode>_insn): Likewise.
8894         (subvti4): Use register_operand for operand 1.  Update call to
8895         aarch64_expand_subvti.
8896         (usubvti4): Likewise.
8897         (negvti3): New expand pattern.
8898         (negdi_carryout): New insn pattern.
8899         (negvdi_carryinV): New insn pattern.
8900         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8901         version the named version.
8902         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8903         operands.
8904         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8905         patterns.
8906         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8907         patterns.
8908         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8909         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8910         (sub<mode>3_carryinCV): Delete.
8911         (sub<GPI:mode>3_carryinV): New expand pattern.
8912         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8913
8914 2019-01-07  Richard Biener  <rguenther@suse.de>
8915
8916         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8917         of tree_operand_hash.
8918
8919 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8920
8921         PR tree-optimization/88598
8922         * tree.h (single_nonzero_element): Declare.
8923         * tree.c (single_nonzero_element): New function.
8924         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8925         if I is the only nonzero element of CST.
8926
8927 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8928
8929         PR tree-optimization/88598
8930         * tree.h (initializer_each_zero_or_onep): Declare.
8931         * tree.c (initializer_each_zero_or_onep): New function.
8932         (signed_or_unsigned_type_for): Handle float types too.
8933         (unsigned_type_for, signed_type_for): Update comments accordingly.
8934         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
8935         x & { 0 or -1, 0 or -1, ... }.
8936
8937 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
8938
8939         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
8940         with x86_64-pc-linux-gnu.
8941
8942 2019-01-07  Tom de Vries  <tdevries@suse.de>
8943
8944         PR target/85486
8945         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
8946         function.
8947         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
8948         routines.
8949
8950 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
8951
8952         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
8953         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
8954         TARGET_AVX512F as condition.
8955
8956         PR debug/88723
8957         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
8958         const_not_ok_for_debug_p target hook.
8959         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
8960         on UNSPEC and subexpressions thereof if all subexpressions of the
8961         UNSPEC are CONSTANT_P.
8962
8963         PR tree-optimization/88676
8964         * tree-ssa-phiopt.c (two_value_replacement): New function.
8965         (tree_ssa_phiopt_worker): Call it.
8966
8967         PR sanitizer/88619
8968         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
8969         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
8970
8971         PR c++/85052
8972         * tree-vect-generic.c: Include insn-config.h and recog.h.
8973         (expand_vector_piecewise): Add defaulted ret_type argument,
8974         if non-NULL, use that in preference to type for the result type.
8975         (expand_vector_parallel): Formatting fix.
8976         (do_vec_conversion, do_vec_narrowing_conversion,
8977         expand_vector_conversion): New functions.
8978         (expand_vector_operations_1): Call expand_vector_conversion
8979         for VEC_CONVERT ifn calls.
8980         * internal-fn.def (VEC_CONVERT): New internal function.
8981         * internal-fn.c (expand_VEC_CONVERT): New function.
8982         * fold-const-call.c (fold_const_vec_convert): New function.
8983         (fold_const_call): Use it for CFN_VEC_CONVERT.
8984         * doc/extend.texi (__builtin_convertvector): Document.
8985
8986 2019-01-07  Tom de Vries  <tdevries@suse.de>
8987
8988         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
8989         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
8990         vector_red_partition, vector_red_sym): New global variables.
8991         (nvptx_option_override): Initialize vector_red_sym.
8992         (nvptx_declare_function_name): Restore red_partition register.
8993         (nvptx_file_end): Emit code to declare the vector reduction variables.
8994         (nvptx_output_red_partition): New function.
8995         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
8996         large vector reductions.
8997         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
8998         (nvptx_init_builtins): Add VECTOR_ADDR.
8999         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9000         Handle nvptx_expand_shared_addr.
9001         (nvptx_get_shared_red_addr): Add vector argument and handle large
9002         vectors.
9003         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9004         large vectors.
9005         (nvptx_goacc_reduction_init): Likewise.
9006         (nvptx_goacc_reduction_fini): Likewise.
9007         (nvptx_goacc_reduction_teardown): Likewise.
9008         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9009         init,fini,teardown}.
9010         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9011         (nvptx_set_current_function): Init vector_red_partition.
9012         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9013         (nvptx_red_partition): New insn.
9014         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9015
9016 2019-01-07  Tom de Vries  <tdevries@suse.de>
9017
9018         PR target/85381
9019         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9020         empty loops.
9021
9022 2019-01-07  Tom de Vries  <tdevries@suse.de>
9023
9024         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9025         (nvptx_option_override): Init oacc_bcast_partition.
9026         (nvptx_init_oacc_workers): New function.
9027         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9028         (nvptx_needs_shared_bcast): New function.
9029         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9030         to propagate state.
9031         (nvptx_shared_propagate): Initialize vector bcast partition and
9032         synchronization state.
9033         (nvptx_single):  Generalize to enable vectors to use shared-memory
9034         to propagate state.
9035         (nvptx_process_pars): Likewise.
9036         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9037         * config/nvptx/nvptx.h (struct machine_function): Add
9038         bcast_partition and sync_bar members.
9039
9040 2019-01-07  Tom de Vries  <tdevries@suse.de>
9041
9042         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9043         (nvptx_apply_dim_limits): New function.
9044         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9045         PTX_WARP_SIZE.
9046
9047 2019-01-07  Tom de Vries  <tdevries@suse.de>
9048
9049         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9050         as late as possible.
9051
9052 2019-01-07  Tom de Vries  <tdevries@suse.de>
9053
9054         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9055         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9056         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9057         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9058         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9059
9060 2019-01-07  Tom de Vries  <tdevries@suse.de>
9061
9062         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9063
9064 2019-01-07  Tom de Vries  <tdevries@suse.de>
9065
9066         * omp-offload.c (oacc_get_min_dim): New function.
9067         * omp-offload.h (oacc_get_min_dim): Declare.
9068
9069 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9070
9071         PR target/88521
9072         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9073         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9074
9075 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9076
9077         PR tree-opt/86020
9078         Revert:
9079         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9080
9081         * ipa-inline.c (edge_badness): Use inlined_time instead of
9082         inline_summaries->get.
9083
9084 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9085
9086         * opts.c (enable_fdo_optimizations): Enable
9087         version-loops-for-strides, loop-interchange, unrol-and-jam
9088         and tree-loop-distribution.
9089         * invoke.texi: Document newly enabled options.
9090
9091 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9092
9093         * doc/invoke.texi (max-inline-insns-small): New parameters.
9094         * ipa-inline.c (want_early_inline_function_p): simplify.
9095         (want_inline_small_function_p): Fix pasto from previous patch;
9096         use max-inline-insns-small bound.
9097         * params.def (max-inline-insns-small): New param.
9098         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9099         variables correctly.
9100
9101 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9102
9103         * doc/invoke.texi: Document max-inline-insns-size,
9104         uninlined-function-insns, uninlined-function-time,
9105         uninlined-thunk-insns and uninlined-thunk-time.
9106         * params.def: Add max-inline-insns-size,
9107         uninlined-function-insns, uninlined-function-time,
9108         uninlined-thunk-insns and uninlined-thunk-time.
9109         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9110         new parameters.
9111         * ipa-inline.c (can_inline_edge_by_limits_p,
9112         want_inline_small_function_p): Use new parameters.
9113
9114 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9115
9116         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9117
9118 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9119
9120         PR middle-end/82564
9121         PR target/88620
9122         * expr.c (expand_assignment): For calls returning VLA structures
9123         if to_rtx is not a MEM, force it into a stack temporary.
9124
9125         PR debug/88635
9126         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9127         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9128         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9129         subexpressions of both operands.
9130         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9131         subrtxes are CONSTANT_P.
9132         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9133         2018-11-09 changes.
9134
9135 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9136
9137         * params.def (hot-bb-count-ws-permille): Set to 990.
9138
9139 2019-01-04  Martin Sebor  <msebor@redhat.com>
9140
9141         PR c/88546
9142         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9143         leaf.
9144
9145 2019-01-04  Martin Sebor  <msebor@redhat.com>
9146
9147         PR c/88363
9148         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9149
9150 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9151
9152         * gdbinit.in: Turn off pagination for the skip commands, restore
9153         it to previous state afterwards.
9154
9155 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9156
9157         PR target/88594
9158         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9159         of GET_MODE (opN) as modes of the libcall arguments.
9160
9161 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9162
9163         * config/i386/sse.md
9164         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9165         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9166         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9167         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9168         avx512f_vmcmp<mode>3<round_saeonly_name>,
9169         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9170         avx512f_maskcmp<mode>3,
9171         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9172         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9173         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9174         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9175         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9176         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9177         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9178         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9179         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9180         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9181         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9182         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9183         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9184         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9185         avx512cd_maskb_vec_dup<mode>,
9186         avx512cd_maskw_vec_dup<mode>,
9187         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9188         avx512dq_vmfpclass<mode>,
9189         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9190         instead of =Yk.
9191
9192 2019-01-03  Martin Sebor  <msebor@redhat.com>
9193
9194         PR tree-optimization/88659
9195         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9196
9197 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9198
9199         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9200         unaligned vsx and avoid lxvd2x/stxvd2x.
9201         (gen_lvx_v4si_move): New function.
9202
9203 2019-01-03  Tom de Vries  <tdevries@suse.de>
9204
9205         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9206         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9207         function.
9208         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9209
9210 2019-01-03  Tom de Vries  <tdevries@suse.de>
9211
9212         * config/nvptx/nvptx.c (struct offload_attrs): New.
9213         (populate_offload_attrs): New function.  Factor mask extraction out of
9214         nvptx_reorg.  Add extraction of dimensions.
9215         (nvptx_reorg): Use populate_offload_attrs.
9216
9217 2019-01-03  Tom de Vries  <tdevries@suse.de>
9218
9219         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9220         cases for oacc_min_dims_p and routine_p.  Add asserts for
9221         oacc_default_dims_p and offload_region_p.
9222
9223 2019-01-03  Tom de Vries  <tdevries@suse.de>
9224
9225         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9226         factored out of ...
9227         (nvptx_goacc_validate_dims): ... here.
9228
9229 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9230
9231         PR tree-optimization/85574
9232         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9233         structure.
9234         (struct ssa_equip_hash_traits): Declare.
9235         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9236
9237 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9238
9239         PR debug/88644
9240         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9241         change it to qualified_type.
9242
9243 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9244
9245         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9246         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9247
9248 2019-01-02  Martin Sebor  <msebor@redhat.com>
9249             Jeff Law  <law@redhat.com>
9250
9251         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9252         (get_range_strlen_tree): Update appropriately.
9253         (get_range_strlen)
9254         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9255
9256         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9257         rather than set_range_info.
9258         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9259         maybe_set_strlen_range.  Handle potentially boundary crossing
9260         cases more conservatively.
9261         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9262         Call set_strlen_range.
9263         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9264
9265         PR middle-end/88663
9266         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9267         need the flexp argument.
9268         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9269         from calls to get_range_strlen.  Update comments.  Just update
9270         VAL for an unterminated const char array and let the reset of the
9271         code handle it normally.  No longer try to set *flexp.  Adjust
9272         return value.
9273         (get_range_strlen): Update for the new get_range_strlen API.
9274         (get_maxval_strlen): Similarly.
9275         (gimple_fold_builtin_strlen): Handle update meaning of return value
9276         from get_range_strlen.
9277         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9278         get_range_strlen API.
9279
9280 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9281
9282         PR lto/88130
9283         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9284         false at WPA time when body was removed.
9285
9286 2019-01-02  Martin Liska  <mliska@suse.cz>
9287
9288         PR tree-optimization/88650
9289         * predict.c (set_even_probabilities): Calculate probability
9290         remainer only when really used.
9291
9292 2019-01-02  Richard Biener  <rguenther@suse.de>
9293
9294         PR middle-end/88651
9295         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9296         widest_ints when mangling max_stmt_execution results.
9297
9298 2019-01-02  Richard Biener  <rguenther@suse.de>
9299
9300         PR tree-optimization/88621
9301         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9302         bitfields when canoncalizing.
9303
9304 2019-01-02  Richard Biener  <rguenther@suse.de>
9305
9306         PR target/87545
9307         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9308         cost of cheap SSE instruction.
9309
9310 2019-01-02  Richard Biener  <rguenther@suse.de>
9311
9312         PR ipa/85574
9313         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9314         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9315         function.
9316         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9317         set after UIDs before splitting them.
9318
9319 2019-01-01  Martin Sebor  <msebor@redhat.com>
9320             Jeff Law  <law@redhat.com>
9321
9322         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9323         length is optimistic.  If it is, then arrange to compute the
9324         conservative length as well.
9325
9326         * gimple-fold.h (get_range_strlen): Update prototype.
9327         * builtins.c (check_access): Update call to get_range_strlen to use
9328         c_strlen_data pointer.   Change various variable accesses to instead
9329         pull data from the c_strlen_data structure.
9330         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9331         * calls.c (maybe_warn_nonstring_arg): Likewise.
9332         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9333         minimum length if maximum lengh is unknown.
9334         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9335         that used c_strlen, it's no longer needed.  Restructure slightly.
9336         (format_string): Set unlikely range appropriately.
9337         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9338         formatting issues.
9339         (get_range_strlen):  Accept c_strlen_data pointer for external
9340         call sites as well.  Pass through to call to internal get_range_strlen.
9341         Adjust minlen, maxlen and maxbound as needed.
9342         (get_maxval_strlen): Update comments.
9343         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9344         to use c_strlen_data pointer.  Change variable accesses to instead
9345         use c_strlen_data data members.
9346
9347         * gimple-fold.c (get_range_strlen): Update prototype.
9348         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9349         local variables.  Use pdata to return information to caller.
9350         Update calls to get_range_strlen.  Update pdata->maxbound.
9351         (get_range_strlen -- static version): Similarly.
9352         (get_range_strlen -- extern version): Update for internal
9353         get_range_strlen API change.  Convert to external data format.
9354         (get_maxval_strlen): Similarly.
9355
9356 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9357
9358         * coverage.c (get_coverage_counts): Use current_function_decl.
9359         * profile.c (read_thunk_profile): New function.
9360         (branch_prob): Add THUNK parameter.
9361         * tree-profile.c (tree_profiling): Handle thunks.
9362         * value-prof.c (init_node_map): Handle thunks.
9363         * value-prof.h (branch_prob): Upate prototype.
9364         (read_thunk_profile): Declare.
9365
9366 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9367
9368         Update copyright years.
9369
9370         * gcc.c (process_command): Update copyright notice dates.
9371         * gcov-dump.c (print_version): Ditto.
9372         * gcov.c (print_version): Ditto.
9373         * gcov-tool.c (print_version): Ditto.
9374         * gengtype.c (create_file): Ditto.
9375         * doc/cpp.texi: Bump @copying's copyright year.
9376         * doc/cppinternals.texi: Ditto.
9377         * doc/gcc.texi: Ditto.
9378         * doc/gccint.texi: Ditto.
9379         * doc/gcov.texi: Ditto.
9380         * doc/install.texi: Ditto.
9381         * doc/invoke.texi: Ditto.
9382 \f
9383 Copyright (C) 2019 Free Software Foundation, Inc.
9384
9385 Copying and distribution of this file, with or without modification,
9386 are permitted in any medium without royalty provided the copyright
9387 notice and this notice are preserved.