gcc/ChangeLog

   1 2019-05-23  Jan Hubicka  <jh@suse.cz>
   2             Martin Liska  <mliska@suse.cz>
   3
   4         PR tree-optimization/90576
   5         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
   6         poly_int_tree_p.
   7         (aliasing_component_refs_p): Fix three way size compare conditional;
   8         give up earlier in case we can not decide on equivalence.
   9
  10 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
  11             Michael Meissner  <meissner@linux.ibm.com>
  12             Segher Boessenkool  <segher@kernel.crashing.org>
  13
  14         * config.gcc: Add future cpu.
  15         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
  16         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
  17         #define.
  18         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
  19         (RS6000_CPU): New instantiation for future cpu.
  20         * config/rs6000/rs6000-opts.h (enum processor_type): Add
  21         PROCESSOR_FUTURE.
  22         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
  23         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
  24         * config/rs6000/rs6000-tables.opt: Regenerate.
  25         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
  26         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
  27         (rs6000_machine_from_flags): Handle future cpu.
  28         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
  29         PROCESSOR_POWER9 for now.
  30         (rs6000_adjust_cost): Likewise.
  31         (rs6000_issue_rate): Likewise.
  32         (rs6000_register_move_cost): Likewise.
  33         (rs6000_opt_masks): Add entry for future.
  34         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
  35         (MASK_FUTURE): New #define.
  36         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
  37         * config/rs6000/rs6000.opt (mfuture): New target option.
  38         * doc/invoke.texi (mcpu): Add future cpu.
  39
  40 2019-05-23  Martin Liska  <mliska@suse.cz>
  41
  42         PR c++/90587
  43         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
  44         operation points to a temporary (pointed via tree_to_wide_ref)
  45         that is out of scope after the &.
  46
  47 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
  48
  49         PR c++/90592
  50         * doc/extend.texi (Function Names): Add missing word.
  51
  52 2019-05-23  Richard Biener  <rguenther@suse.de>
  53
  54         PR tree-optimization/88440
  55         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
  56         at -O[2s]+.
  57         * tree-loop-distribution.c (generate_memset_builtin): Fold the
  58         generated call.
  59         (generate_memcpy_builtin): Likewise.
  60         (distribute_loop): Pass in whether to only distribute patterns.
  61         (prepare_perfect_loop_nest): Also allow size optimization.
  62         (pass_loop_distribution::execute): When optimizing a loop
  63         nest for size allow pattern replacement.
  64
  65 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
  66
  67         PR target/90568
  68         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
  69         of xor.
  70
  71 2019-05-23  Martin Liska  <mliska@suse.cz>
  72
  73         PR sanitizer/90570
  74         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
  75         expression similarly to gimplify_decl_expr.
  76
  77 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
  78
  79         * cse.c (cse_dump_path): s/dump_file/f.
  80
  81 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
  82
  83         PR c++/90462
  84         * diagnostic-format-json.cc: Include "selftest.h".
  85         (json_from_expanded_location): Only add "file" key for non-NULL
  86         file strings.
  87         (json_from_location_range): Don't add "start" and "finish"
  88         children if they are UNKNOWN_LOCATION.
  89         (selftest::test_unknown_location): New selftest.
  90         (selftest::test_bad_endpoints): New selftest.
  91         (selftest::diagnostic_format_json_cc_tests): New function.
  92         * json.cc (json::object::get): New function.
  93         (selftest::test_object_get): New selftest.
  94         (selftest::json_cc_tests): Call it.
  95         * json.h (json::object::get): New decl.
  96         * selftest-run-tests.c (selftest::run_tests): Call
  97         selftest::diagnostic_format_json_cc_tests.
  98         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
  99         decl.
 100
 101 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 102             Andrew Stubbs  <amd@codesourcery.com>
 103
 104         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 105         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 106         (kernel): Rename to...
 107         (main_kernel): ... this.
 108         (load_image): Load _init_array and _fini_array kernels.
 109         (run): Add argument for kernel to run.
 110         (main): Run init_array_kernel before main_kernel, and
 111         fini_array_kernel after.
 112         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 113         amdgpu_hsa_kernel attribute on functions.
 114         (gcn_disable_constructors): Delete.
 115         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 116         * config/gcn/crt0.c (size_t): Define.
 117         (_init_array, _fini_array): New.
 118         (__preinit_array_start, __preinit_array_end,
 119         __init_array_start, __init_array_end,
 120         __fini_array_start, __fini_array_end): Declare weak references.
 121
 122 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 123
 124         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 125
 126 2019-05-22  Jason Merrill  <jason@redhat.com>
 127
 128         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 129
 130 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 131
 132         PR target/88483
 133         * config/i386/i386-options.c (ix86_init_machine_status): Set
 134         stack_frame_required to true.
 135         * config/i386/i386.c (ix86_get_frame_size): New function.
 136         (ix86_frame_pointer_required): Replace get_frame_size with
 137         ix86_get_frame_size.
 138         (ix86_compute_frame_layout): Likewise.
 139         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 140         stack_frame_required.
 141         (ix86_finalize_stack_frame_flags): Always call
 142         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 143         ix86_get_frame_size.
 144         * config/i386/i386.h (machine_function): Add stack_frame_required.
 145
 146 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 147
 148         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 149
 150 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 151
 152         * common/config/aarch64/aarch64-common.c
 153         (struct aarch64_option_extension, struct processor_name_to_arch,
 154         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 155         aarch64_contains_opt,
 156         aarch64_get_extension_string_for_isa_flags): Change type of
 157         variables storing flags to uint64_t.
 158         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 159         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 160         * config/aarch64/aarch64.c (struct processor,
 161         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 162         aarch64_validate_march, aarch64_override_options,
 163         aarch64_option_print, aarch64_handle_attr_isa_flags,
 164         aarch64_declare_function_name, aarch64_start_file): Make flag
 165         variables uint64_t.
 166         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 167         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 168         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 169         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 170         * config/aarch64/driver-aarch64.c
 171         (struct aarch64_arch_extension, struct aarch64_core_data,
 172         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 173         flag variables uint64_t.
 174         * doc/invoke.texi: Add documentation for new arguments.
 175
 176 2019-05-22  Richard Biener  <rguenther@suse.de>
 177
 178         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 179         rewrite ...
 180         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 181
 182 2019-05-22  Martin Liska  <mliska@suse.cz>
 183
 184         PR lto/90500
 185         * doc/extend.texi: Document the change.
 186
 187 2019-05-22  Richard Biener  <rguenther@suse.de>
 188
 189         PR tree-optimization/90450
 190         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 191         (mem_ref_hasher::equal): Check it.
 192         (mem_ref_alloc): Initialize it.
 193         (gather_mem_refs_stmt): Set it.
 194
 195 2019-05-22  Richard Biener  <rguenther@suse.de>
 196
 197         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 198         Add ABS_EXPR.
 199         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 200         as ABSU_EXPR.
 201
 202 2019-05-22  Alan Modra  <amodra@gmail.com>
 203
 204         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 205         (ASM_CPU_SPEC): Conditionally add -many.
 206         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 207         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 208         (rs6000_file_start): ..extracted from here, and modified to
 209         test all ISA bits.
 210         (rs6000_output_function_prologue): Emit .machine as necessary.
 211         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 212         power mnemonics.
 213         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 214         added by check_vect_support_and_set_flags.
 215         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 216         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 217
 218 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 219
 220         PR middle-end/90553
 221         * ira-lives.c (process_bb_node_lives): Consider defs
 222         for a call insn to be die before the call, not after.
 223
 224         * function.c (assign_parm_setup_block): Raise alignment of
 225         stacked parameter only for STRICT_ALIGNMENT targets.
 226
 227 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 228
 229         * config/rs6000/constraints.md (define_register_constraint "wz"):
 230         Delete.
 231         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 232         RS6000_CONSTRAINT_wz.
 233         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 234         (rs6000_init_hard_regno_mode_ok): Adjust.
 235         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 236         * doc/md.texi (Machine Constraints): Adjust.
 237
 238 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 239
 240         * config/rs6000/constraints.md (define_register_constraint "wl"):
 241         Delete.
 242         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 243         RS6000_CONSTRAINT_wl.
 244         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 245         (rs6000_init_hard_regno_mode_ok): Adjust.
 246         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 247         * doc/md.texi (Machine Constraints): Adjust.
 248
 249 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 250
 251         * config/rs6000/constraints.md (define_register_constraint "wm"):
 252         Delete.
 253         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 254         RS6000_CONSTRAINT_wm.
 255         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 256         (rs6000_init_hard_regno_mode_ok): Adjust.
 257         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 258         * doc/md.texi (Machine Constraints): Adjust.
 259
 260 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 261
 262         * config/rs6000/constraints.md (define_register_constraint "wk"):
 263         Delete.
 264         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 265         RS6000_CONSTRAINT_wk.
 266         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 267         (rs6000_init_hard_regno_mode_ok): Adjust.
 268         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 269         * doc/md.texi (Machine Constraints): Adjust.
 270
 271 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 272
 273         * config/rs6000/constraints.md (define_register_constraint "wj"):
 274         Delete.
 275         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 276         RS6000_CONSTRAINT_wj.
 277         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 278         (rs6000_init_hard_regno_mode_ok): Adjust.
 279         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 280         (VS_64dm): Delete.
 281         * config/rs6000/vsx.md: Ditto.
 282         * doc/md.texi (Machine Constraints): Adjust.
 283
 284 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 285
 286         * config/rs6000/constraints.md (define_register_constraint "wh"):
 287         Delete.
 288         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 289         RS6000_CONSTRAINT_wh.
 290         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 291         (rs6000_init_hard_regno_mode_ok): Adjust.
 292         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 293         * doc/md.texi (Machine Constraints): Adjust.
 294
 295 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 296
 297         PR target/90547
 298         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 299         Avoid calling gen_lowpart with CONST operand.
 300
 301 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 302
 303         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 304         field template_last_to_copy.
 305         (ssa_create_duplicates): Set it, and use it.  Attempt to
 306         preserve more debug stmts.
 307
 308 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 309
 310         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 311         (signbit<mode>2): New expander
 312
 313 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 314
 315         PR bootstrap/87338
 316         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 317         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 318
 319 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 320
 321         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 322         %ebx and %ecx bafore calling cpuid with leaf 1 or
 323         non-constant leaf argument.
 324
 325 2019-05-21  Alan Modra  <amodra@gmail.com>
 326
 327         PR target/90545
 328         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 329         power9 direct move cost.
 330         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 331         Correct comments and rename functions to suit parameters.
 332
 333 2019-05-21  Richard Biener  <rguenther@suse.de>
 334
 335         PR middle-end/90510
 336         * fold-const.c (fold_read_from_vector): New function.
 337         * fold-const.h (fold_read_from_vector): Declare.
 338         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 339         single-element insert permutations.  Canonicalize selector
 340         further and fix issue with last commit.
 341
 342 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 343
 344         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 345         parameter with default value false to declaration.
 346         (split_edges_for_insertion): New inline function.  Wrapper for
 347         split_critical_edges with for_edge_insertion_p = true.
 348         * tree-cfg.c (split_critical_edges): Don't split non-critical
 349         edges if for_edge_insertion_p is false.  Fix whitespace.
 350         * tree-ssa-pre.c (pass_pre::execute): Call
 351         split_edges_for_insertion instead of split_critical_edges.
 352         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 353         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 354         (pass_data_sink_code): Update function name in the comment.
 355
 356 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 357
 358         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 359         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 360         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 361         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 362         positives.
 363
 364 2019-05-21  Martin Liska  <mliska@suse.cz>
 365
 366         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 367         an extra newline.
 368         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 369         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 370         vec_lvsr.
 371         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 372         Quote a C type.
 373         (rs6000_function_arg): Likewise.
 374         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 375         (rs6000_expand_ternop_builtin): Use interval syntax.
 376         (get_element_number): Likewise.
 377         (altivec_expand_builtin): Likewise.
 378         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 379
 380 Fix test-suite.
 381
 382 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 383
 384         PR c++/59813
 385         PR target/90418
 386         * function.h (struct function): Add calls_eh_return member.
 387         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 388         gimplifying __builtin_eh_return call.
 389         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 390         to cfun.
 391         (expand_call_inline): Or in src_cfun->calls_eh_return into
 392         dst_cfun->calls_eh_return.
 393         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 394         cfun->calls_eh_return.
 395         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 396         * lto-streamer-out.c (output_struct_function_base): Write
 397         calls_eh_return.
 398
 399 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 400
 401         PR rtl-optimization/43147
 402         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 403         IX86_BUILTIN_SHUFPD.
 404
 405 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 406
 407         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 408         (refs_may_alias_p_1): ... here; update stats.
 409         (refs_may_alias_p): Do not update stats here.
 410
 411 2019-05-20  Richard Biener  <rguenther@suse.de>
 412
 413         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 414         doesn't produce pointers.
 415         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 416         the first operand points to.
 417
 418 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 419
 420         * tree-ssa-alias.c (compare_sizes): New function.
 421         (sompare_type_sizes): New function
 422         (aliasing_component_refs_p): Use it.
 423         (indirect_ref_may_alias_decl_p): Likewise.
 424
 425 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 426
 427         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 428
 429 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 430
 431         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 432         (LIBLSAN_EARLY_SPEC): Likewise.
 433         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 434
 435 2019-05-20  Martin Liska  <mliska@suse.cz>
 436
 437         * config/i386/i386.c (ix86_libc_has_fast_function):
 438         Add ATTRIBUTE_UNUSED for the argument.
 439
 440 2019-05-20  Richard Biener  <rguenther@suse.de>
 441
 442         * gimple-match-head.c: Include vec-perm-indices.h.
 443         * generic-match-head.c: Likewise.
 444         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 445         is included.
 446         * fold-const.c (fold_vec_perm): Export.
 447         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 448         (match.pd): ...here.
 449
 450 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 451
 452         * cfgloop.h (struct loop): Add simdlen member.
 453         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 454         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 455         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 456         as new argument to autovectorize_vector_sizes target hook.  If
 457         loop->simdlen, pick up vector size where the vectorization factor
 458         is equal to loop->simd, and if there is none, fall back to the first
 459         successful one.
 460         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 461         caller.
 462         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 463         * omp-general.c (omp_max_vf): Likewise.
 464         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 465         * tree-vect-slp.c (vect_slp_bb): Likewise.
 466         * target.def (autovectorize_vector_sizes): Add ALL argument and
 467         document it.
 468         * doc/tm.texi: Adjust documentation.
 469         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 470         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 471         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 472         bool argument.
 473         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 474         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 475         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 476         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 477         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 478         preferred vector size is not 512-bit or 256-bit, just put those
 479         unpreferred ones last.
 480
 481 2019-05-20  Martin Liska  <mliska@suse.cz>
 482
 483         * targhooks.c (default_libc_has_fast_function): New function.
 484         * targhooks.h (default_libc_has_fast_function): Likewise.
 485
 486 2019-05-20  Martin Liska  <mliska@suse.cz>
 487
 488         PR middle-end/90263
 489         * builtins.c (expand_builtin_memory_copy_args): When having a
 490         target with fast mempcpy implementation do now use memcpy.
 491         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 492         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 493         * doc/tm.texi: Likewise.
 494         * doc/tm.texi.in: Likewise.
 495         * target.def:
 496         * expr.c (emit_block_move_hints): Add 2 new arguments.
 497         * expr.h (emit_block_move_hints): Bail out when libcall
 498         to memcpy would be used.
 499
 500 2019-05-20  Martin Liska  <mliska@suse.cz>
 501
 502         * profile-count.c: Add vertical spacing in order
 503         to separate functions.
 504         * profile-count.h: Likewise.
 505
 506 2019-05-20  Martin Liska  <mliska@suse.cz>
 507
 508         * profile-count.h: Do not use full qualified
 509         names if possible.
 510         * profile-count.c (profile_count::to_frequency): Likewise.
 511
 512 2019-05-20  Martin Liska  <mliska@suse.cz>
 513
 514         * profile-count.h (enum profile_quality): Use capital letters
 515         for enum value names.  Use the adjusted names.
 516         * profile-count.c: Use the adjusted names.
 517
 518 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 519
 520         * config/rs6000/constraints.md (define_register_constraint "wH"):
 521         Delete.
 522         (define_register_constraint "wI"): Delete.
 523         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 524         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 525         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 526         (rs6000_init_hard_regno_mode_ok): Adjust.
 527         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 528         resp. "d", or with "wa" as appropriate, all with "p8v".
 529         * config/rs6000/vsx.md: Ditto.
 530         * doc/md.texi (Machine Constraints): Adjust.
 531
 532 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 533
 534         * config/rs6000/constraints.md (define_register_constraint "wy"):
 535         Delete.
 536         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 537         RS6000_CONSTRAINT_wy.
 538         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 539         (rs6000_init_hard_regno_mode_ok): Adjust.
 540         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 541         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 542         (define_mode_attr Fisa): New.
 543         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 544         * doc/md.texi (Machine Constraints): Adjust.
 545
 546 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 547
 548         * config/rs6000/constraints.md (define_register_constraint "wu"):
 549         Delete.
 550         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 551         RS6000_CONSTRAINT_wu.
 552         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 553         (rs6000_init_hard_regno_mode_ok): Adjust.
 554         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 555         both with "p8v".
 556         (define_mode_attr Fa): Delete.
 557         * config/rs6000/vsx.md: Ditto.
 558         * doc/md.texi (Machine Constraints): Adjust.
 559
 560 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 561
 562         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 563         Delete.
 564         (define_register_constraint "wK"): Delete.
 565         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 566         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 567         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 568         (rs6000_init_hard_regno_mode_ok): Adjust.
 569         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 570         Replace "wK" constraint by "wH" with "p9v".
 571         * config/rs6000/vsx.md: Ditto.
 572         * doc/md.texi (Machine Constraints): Adjust.
 573
 574 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 575
 576         * config/rs6000/constraints.md (define_register_constraint "wb"):
 577         Delete.
 578         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 579         RS6000_CONSTRAINT_wb.
 580         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 581         (rs6000_init_hard_regno_mode_ok): Adjust.
 582         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 583         * config/rs6000/vsx.md: Ditto.
 584         * doc/md.texi (Machine Constraints): Adjust.
 585
 586 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 587
 588         * config/rs6000/constraints.md (define_register_constraint "wo"):
 589         Delete.
 590         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 591         RS6000_CONSTRAINT_wo.
 592         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 593         (rs6000_init_hard_regno_mode_ok): Adjust.
 594         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 595         * config/rs6000/altivec.md: Ditto.
 596         * doc/md.texi (Machine Constraints): Adjust.
 597
 598 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 599
 600         * config/darwin-c.c (darwin_register_objc_includes): Do not
 601         prepend the sysroot when building gnu-runtime header search
 602         paths.
 603
 604 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 605
 606         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 607         instead of direct output of the asm.
 608
 609 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 610
 611         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 612         argument to be type bool (was int before).
 613         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 614         at first use.  Use type bool for some variables.  Fix a theoretical
 615         eh_return bug for svr4.
 616
 617 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 618
 619         * config/rs6000/rs6000.md (isa): New attribute.
 620         (enabled): New attribute.
 621
 622 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 623
 624         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 625         assemble_start_function and assemble_end_function.
 626
 627 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 628
 629         PR middle-end/89433
 630         * omp-general.c (oacc_verify_routine_clauses): Change formal
 631         parameters.  Add checking if already marked with an OpenACC
 632         'routine' directive.  Adjust all users.
 633
 634         PR middle-end/89433
 635         * omp-general.c (oacc_build_routine_dims): Move some of its
 636         processing into...
 637         (oacc_verify_routine_clauses): ... this new function.
 638         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 639
 640 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 641
 642         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 643         formating of picbase labels to match other ports.
 644
 645 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 646
 647         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 648         in the generated code.
 649
 650 2019-05-16  Martin Sebor  <msebor@redhat.com>
 651
 652         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 653         identifiers, keywords, operators, and types in diagnostics.  Correct
 654         quoting, spelling, and sentence capitalization issues.
 655         (expand_builtin_atomic_is_lock_free): Same.
 656         (fold_builtin_next_arg): Same.
 657         * cfgexpand.c (expand_one_var): Same.
 658         (tree_conflicts_with_clobbers_p): Same.
 659         (expand_asm_stmt): Same.
 660         (verify_loop_structure): Same.
 661         * cgraphunit.c (process_function_and_variable_attributes): Same.
 662         * collect-utils.c (collect_execute): Same.
 663         * collect2.c (maybe_run_lto_and_relink): Same.
 664         (is_lto_object_file): Same.
 665         (scan_prog_file): Same.
 666         * convert.c (convert_to_real_1): Same.
 667         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 668         * except.c (verify_eh_tree): Same.
 669         * gcc.c (execute): Same.
 670         (eval_spec_function): Same.
 671         (run_attempt): Same.
 672         (driver::set_up_specs): Same.
 673         (compare_debug_auxbase_opt_spec_function): Same.
 674         * gcov-tool.c (unlink_gcda_file): Same.
 675         (do_merge): Same.
 676         (do_rewrite): Same.
 677         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 678         * gimplify.c (gimplify_asm_expr): Same.
 679         (gimplify_adjust_omp_clauses): Same.
 680         * hsa-gen.c (gen_hsa_addr_insns): Same.
 681         (gen_hsa_insns_for_load): Same.
 682         (gen_hsa_cmp_insn_from_gimple): Same.
 683         (gen_hsa_insns_for_operation_assignment): Same.
 684         (gen_get_level): Same.
 685         (gen_hsa_alloca): Same.
 686         (omp_simple_builtin::generate): Same.
 687         (gen_hsa_atomic_for_builtin): Same.
 688         (gen_hsa_insns_for_call): Same.
 689         * input.c (dump_location_info): Same.
 690         * ipa-devirt.c (compare_virtual_tables): Same.
 691         * ira.c (ira_setup_eliminable_regset): Same.
 692         * lra-assigns.c (lra_assign): Same.
 693         * lra-constraints.c (lra_constraints): Same.
 694         * lto-streamer-in.c (lto_input_mode_table): Same.
 695         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 696         (merge_and_complain): Same.
 697         (compile_offload_image): Same.
 698         (compile_images_for_offload_targets): Same.
 699         (debug_objcopy): Same.
 700         (run_gcc): Same.
 701         (main): Same.
 702         * opts.c (print_specific_help): Same.
 703         (parse_no_sanitize_attribute): Same.
 704         (print_help): Same.
 705         (handle_param): Same.
 706         * plugin.c (add_new_plugin): Same.
 707         (parse_plugin_arg_opt): Same.
 708         (try_init_one_plugin): Same.
 709         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 710         operators, and types in diagnostics.  Correct quoting and spelling
 711         issues.
 712         * read-rtl-function.c (parse_edge_flag_token): Same.
 713         (function_reader::parse_enum_value): Same.
 714         * reg-stack.c (check_asm_stack_operands): Same.
 715         * regcprop.c (validate_value_data): Same.
 716         * sched-rgn.c (make_pass_sched_fusion): Same.
 717         * stmt.c (check_unique_operand_names): Same.
 718         * targhooks.c (default_target_option_pragma_parse): Same.
 719         * tlink.c (recompile_files): Same.
 720         * toplev.c (process_options): Same.
 721         (do_compile): Same.
 722         * trans-mem.c (diagnose_tm_1): Same.
 723         (ipa_tm_scan_irr_block): Same.
 724         (ipa_tm_diagnose_transaction): Same.
 725         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 726         format a tree code name in a diagnostic.
 727         (verify_types_in_gimple_min_lval): Same.
 728         (verify_types_in_gimple_reference): Same.
 729         (verify_gimple_call): Same.
 730         (verify_gimple_assign_unary): Same.
 731         (verify_gimple_assign_binary): Same.
 732         (verify_gimple_assign_ternary): Same.
 733         (verify_gimple_assign_single): Same.
 734         (verify_gimple_switch): Same.
 735         (verify_gimple_label): Same.
 736         (verify_gimple_phi): Same.
 737         (verify_gimple_in_seq): Same.
 738         (verify_eh_throw_stmt_node): Same.
 739         (collect_subblocks): Same.
 740         (gimple_verify_flow_info): Same.
 741         (do_warn_unused_result): Same.
 742         * tree-inline.c (expand_call_inline): Same.
 743         * tree-into-ssa.c (update_ssa): Same.
 744         * tree.c (tree_int_cst_elt_check_failed): Same.
 745         (tree_vec_elt_check_failed): Same.
 746         (omp_clause_operand_check_failed): Same.
 747         (verify_type_variant): Same.
 748         (verify_type): Same.
 749         * value-prof.c (verify_histograms): Same.
 750         * varasm.c (assemble_start_function): Same.
 751
 752 2019-05-16  Martin Sebor  <msebor@redhat.com>
 753
 754         * config/i386/i386-expand.c (get_element_number): Quote keywords
 755         and other internal names in diagnostics.  Adjust other diagnostic
 756         formatting issues noted by -Wformat-diag.
 757         * config/i386/i386-features.c
 758         (ix86_mangle_function_version_assembler_name): Same.
 759         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 760         * config/i386/i386.c (ix86_function_type_abi): Same.
 761         (ix86_function_ms_hook_prologue): Same.
 762         (classify_argument): Same.
 763         (ix86_expand_prologue): Same.
 764         (ix86_md_asm_adjust): Same.
 765         (ix86_memmodel_check): Same.
 766
 767 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
 768
 769         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
 770         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
 771         and fpxx modes.
 772
 773 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
 774
 775         PR target/90497
 776         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
 777         intrinsics without SSE/SSE2/SSSE3.
 778         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
 779         check.
 780         (*mmx_uavgv8qi3): Likewise.
 781
 782 2019-05-17  Richard Biener  <rguenther@suse.de>
 783
 784         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
 785         VEC_PERM_EXPR as __VEC_PERM with -gimple.
 786
 787 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
 788
 789         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
 790         vec_sldw insn pattern.
 791
 792 2019-05-17  Richard Biener  <rguenther@suse.de>
 793
 794         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
 795
 796 2019-05-17  Martin Liska  <mliska@suse.cz>
 797
 798         PR driver/90496
 799         * toplev.c (output_stack_usage): With LTO and sanitizer it
 800         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
 801         has no file location.
 802
 803 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 804
 805         PR c++/90484
 806         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
 807         sz0 is equal to sz1, instead return false in that case.
 808
 809         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
 810         has non-constant expression, force sctx.lane and use two
 811         argument IFN_GOMP_SIMD_LANE instead of single argument.
 812         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
 813         two argument IFN_GOMP_SIMD_LANE without lhs.
 814         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
 815         member.
 816         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
 817         Define.
 818         (LOOP_REQUIRES_VERSIONING): Or in
 819         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
 820         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
 821         simd_if_cond.
 822         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
 823         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
 824         from simd if clause if needed.
 825
 826 2019-05-16  Richard Biener  <rguenther@suse.de>
 827
 828         * tree-affine.c (expr_to_aff_combination): New function split
 829         out from...
 830         (tree_to_aff_combination): ... here.
 831         (aff_combination_expand): Avoid building a GENERIC tree.
 832
 833 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
 834
 835         * cgraphunit.c (cgraph_node::expand_thunk): Remove
 836         assemble_start_function and assemble_end_function calls.
 837         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
 838         assemble_start_function and assemble_end_function.
 839         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
 840         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
 841         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
 842         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
 843         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
 844         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
 845         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
 846         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
 847         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
 848         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 849         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 850         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
 851         Likewise.
 852         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 853         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
 854         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
 855         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
 856         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
 857         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
 858         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
 859         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
 860         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 861         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
 862         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 863         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 864         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
 865         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
 866         Likewise.
 867         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
 868         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
 869         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
 870
 871 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
 872
 873         * tree-ssa-alias.c (alias_stats): Add
 874         aliasing_component_refs_p_may_alias and
 875         aliasing_component_refs_p_no_alias.
 876         (dump_alias_stats): Print aliasing_component_refs_p stats.
 877         (aliasing_component_refs_p): Update stats.
 878
 879 2019-05-16  Martin Liska  <mliska@suse.cz>
 880
 881         PR lto/90500
 882         * multiple_target.c (expand_target_clones): Do not allow
 883         target_clones being used with a symbol that is an alias.
 884
 885 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
 886
 887         PR tree-optimization/90394
 888         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
 889         positives rather than ICE for cases where (code2 == NE_EXPR
 890         && code1 == BIT_AND_EXPR).
 891
 892 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 893
 894         PR fortran/90329
 895         * tree-core.h (struct tree_decl_common): Document
 896         decl_nonshareable_flag for PARM_DECLs.
 897         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
 898         * calls.c (expand_call): Don't try tail call if caller
 899         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
 900         passed on the stack and callee needs to pass any arguments on the
 901         stack.
 902         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
 903         else if instead of series of mutually exclusive ifs.  Handle
 904         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
 905         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
 906
 907         * lto-streamer.h (LTO_major_version): Bump to 9.
 908
 909 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
 910
 911         PR tree-optimization/90106
 912         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
 913         new parameter as new internal function call, also move it to new
 914         basic block.
 915         (use_internal_fn): Pass internal function call to
 916         shrink_wrap_one_built_in_call_with_conds.
 917
 918 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
 919
 920         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
 921         max_vf to 1.
 922         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
 923         safelen_int and set loop->dont_vectorize.
 924
 925 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 926
 927         PR target/89021
 928         * config/i386/i386-builtin.def: Enable MMX intrinsics with
 929         SSE/SSE2/SSSE3.
 930         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
 931         Likewise.
 932         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
 933         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
 934         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
 935         is defined.
 936
 937 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 938
 939         PR target/89021
 940         * config/i386/mmx.md (*vec_dupv2sf): Changed to
 941         define_insn_and_split to support SSE emulation.
 942         (*vec_extractv2sf_0): Likewise.
 943         (*vec_extractv2sf_1): Likewise.
 944         (*vec_extractv2si_0): Likewise.
 945         (*vec_extractv2si_1): Likewise.
 946         (*vec_extractv2si_zext_mem): Likewise.
 947         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
 948         (vec_extractv2sf_1 splitter): Likewise.
 949         (vec_extractv2sfsf): Likewise.
 950         (vec_setv2si): Likewise.
 951         (vec_extractv2si_1 splitter): Likewise.
 952         (vec_extractv2sisi): Likewise.
 953         (vec_setv4hi): Likewise.
 954         (vec_extractv4hihi): Likewise.
 955         (vec_setv8qi): Likewise.
 956         (vec_extractv8qiqi): Likewise.
 957         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 958         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
 959         (vec_extractv2sisi): Likewise.
 960         (vec_extractv4hihi): Likewise.
 961         (vec_extractv8qiqi): Likewise.
 962         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
 963         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
 964         (vec_initv2sisi): Likewise.
 965         (vec_initv4hihi): Likewise.
 966         (vec_initv8qiqi): Likewise.
 967         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
 968         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
 969         (vec_setv4hi): Likewise.
 970         (vec_setv8qi): Likewise.
 971
 972 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 973
 974         PR target/89021
 975         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
 976         TARGET_MMX_WITH_SSE.
 977         (MMXMODE:*mov<mode>_internal): Likewise.
 978         (MMXMODE:movmisalign<mode>): Likewise.
 979
 980 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
 981
 982         PR target/89021
 983         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
 984         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
 985         (sse2_cvtpd2pi): Ditto.
 986         (sse2_cvttpd2pi): Ditto.
 987         (*vec_concatv2sf_sse4_1): Ditto.
 988         (*vec_concatv2sf_sse): Ditto.
 989         (*vec_concatv2si_sse4_1): Ditto.
 990         (*vec_concatv2si): Ditto.
 991         (*vec_concatv4si_0): Ditto.
 992         (*vec_concatv2di_0): Ditto.
 993
 994 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 995
 996         PR target/89021
 997         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
 998
 999 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1000
1001         PR target/89021
1002         * config/i386/sse.md (ssse3_palignrdi): Changed to
1003         define_insn_and_split to support SSE emulation.
1004
1005 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1006
1007         PR target/89021
1008         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1009
1010 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1011
1012         PR target/89021
1013         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1014         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1015         SSE emulation.
1016
1017 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1018
1019         PR target/89021
1020         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1021         or TARGET_MMX_WITH_SSE.
1022         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1023
1024 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1025
1026         PR target/89021
1027         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1028
1029 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1030
1031         PR target/89021
1032         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1033         Changed to define_insn_and_split to support SSE emulation.
1034
1035 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1036
1037         PR target/89021
1038         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1039         Changed to define_insn_and_split to support SSE emulation.
1040
1041 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1042
1043         PR target/89021
1044         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1045         (*mmx_<emms>): This.
1046         (mmx_<emms>): New expander.
1047
1048 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1049
1050         PR target/89021
1051         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1052         support.
1053         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1054
1055 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1056
1057         PR target/89021
1058         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1059
1060 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1061
1062         PR target/89021
1063         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1064
1065 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         PR target/89021
1068         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1069         TARGET_MMX_WITH_SSE.
1070         (*mmx_uavgv4hi3): Add SSE emulation.
1071
1072 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1073
1074         PR target/89021
1075         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1076         and TARGET_MMX_WITH_SSE.
1077         (*mmx_uavgv8qi3): Add SSE emulation.
1078
1079 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1080
1081         PR target/89021
1082         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1083         maskmovdqu for __MMX_WITH_SSE__.
1084
1085 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1086
1087         PR target/89021
1088         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1089         TARGET_MMX and TARGET_MMX_WITH_SSE.
1090         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1091
1092 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1093
1094         PR target/89021
1095         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1096         define_insn_and_split to support SSE emulation.
1097
1098 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1099
1100         PR target/89021
1101         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1102         and TARGET_MMX_WITH_SSE.
1103         (mmx_<code>v8qi3): Likewise.
1104         (smaxmin:<code>v4hi3): New.
1105         (umaxmin:<code>v8qi3): Likewise.
1106         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1107         (umaxmin:*mmx_<code>v8qi3): Likewise.
1108
1109 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1110
1111         PR target/89021
1112         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1113         TARGET_MMX_WITH_SSE.
1114         (*mmx_pinsrw): Add SSE emulation.
1115
1116 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1117
1118         PR target/89021
1119         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1120
1121 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1122
1123         PR target/89021
1124         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1125         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1126         SSE emulation.
1127
1128 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1129
1130         PR target/89021
1131         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1132         (sse_cvttps2pi): Likewise.
1133
1134 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1135
1136         PR target/89021
1137         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1138         TARGET_MMX_WITH_SSE.
1139         (mmx_pshufw_1): Add SSE emulation.
1140         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1141         TARGET_MMX_WITH_SSE to support SSE emulation.
1142
1143 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1144
1145         PR target/89021
1146         * config/i386/constraints.md (Yw): New constraint.
1147         * config/i386/mmx.md (*vec_dupv2si): Changed to
1148         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1149         support SSE emulation.
1150
1151 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1152
1153         PR target/89021
1154         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1155         TARGET_MMX_WITH_SSE.
1156         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1157         support.
1158         (mmx_gt<mode>3): Likewise.
1159
1160 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1161
1162         PR target/89021
1163         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1164         TARGET_MMX_WITH_SSE.  Add SSE support.
1165
1166 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1167
1168         PR target/89021
1169         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1170         TARGET_MMX_WITH_SSE.
1171         (any_logic:<code><mode>3): New.
1172         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1173         Add SSE support.
1174
1175 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1176
1177         PR target/89021
1178         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1179         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1180         (mmx_<shift_insn><mode>3): Likewise.
1181         (ashr<mode>3): New.
1182         (<shift_insn><mode>3): Likewise.
1183
1184 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/89021
1187         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1188         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1189
1190 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1191
1192         PR target/89021
1193         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1194         TARGET_MMX_WITH_SSE.
1195         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1196         SSE support.
1197
1198 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1199
1200         PR target/89021
1201         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1202         TARGET_MMX_WITH_SSE.
1203         (mulv4hi3): New.
1204         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1205         support.
1206
1207 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1208
1209         PR target/89021
1210         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1211         (plusminus:mmx_<plusminus_insn><mode>3): Check
1212         TARGET_MMX_WITH_SSE.
1213         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1214         (<plusminus_insn><mode>3): New.
1215         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1216         (*mmx_<plusminus_insn><mode>3): Likewise.
1217
1218 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1219
1220         PR target/89021
1221         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1222         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1223         prototype.
1224         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1225         define_insn_and_split to support SSE emulation.
1226         (mmx_punpcklbw): Likewise.
1227         (mmx_punpckhwd): Likewise.
1228         (mmx_punpcklwd): Likewise.
1229         (mmx_punpckhdq): Likewise.
1230         (mmx_punpckldq): Likewise.
1231
1232 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1233             Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR target/89021
1236         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1237         New function.
1238         (ix86_split_mmx_pack): Likewise.
1239         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1240         New prototype.
1241         (ix86_split_mmx_pack): Likewise.
1242         * config/i386/i386.md (mmx_isa): New.
1243         (enabled): Also check mmx_isa.
1244         * config/i386/mmx.md (any_s_truncate): New code iterator.
1245         (s_trunsuffix): New code attr.
1246         (mmx_packsswb): Removed.
1247         (mmx_packssdw): Likewise.
1248         (mmx_packuswb): Likewise.
1249         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1250         MMX packsswb/packuswb with SSE2.
1251         (mmx_packssdw): Likewise.
1252         * config/i386/predicates.md (register_mmxmem_operand): New.
1253
1254 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1255
1256         PR target/89021
1257         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1258         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1259         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1260         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1261         (ix86_vector_mode_supported_p): Likewise.
1262         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1263
1264 2019-05-15  Martin Liska  <mliska@suse.cz>
1265
1266         PR middle-end/90478
1267         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1268         Check for overflow.
1269
1270 2019-05-15  Richard Biener  <rguenther@suse.de>
1271
1272         * tree-into-ssa.c (pass_build_ssa::execute): Run
1273         update_address_taken before going into SSA.
1274
1275 2019-05-15  Richard Biener  <rguenther@suse.de>
1276
1277         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1278         as __BIT_FIELD_REF with type with -gimple.
1279
1280 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1281
1282         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1283         semantically equivalent branches (left over after prior refactorings).
1284
1285 2019-05-15  Richard Biener  <rguenther@suse.de>
1286
1287         PR tree-optimization/88828
1288         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1289         bogus check.
1290
1291 2019-05-14  Richard Biener  <rguenther@suse.de>
1292
1293         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1294         as __VIEW_CONVERT with -gimple.
1295
1296 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1297
1298         PR target/82920
1299         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1300         Darwin.
1301
1302 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1303
1304         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1305         define_split to become a define_insn_and_split.
1306
1307 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1308
1309         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1310         arguments.
1311         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1312         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1313         (sibcall_epilogue): Adjust.
1314         (epilogue): Adjust.
1315
1316 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1317
1318         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1319         to unsupported ones.
1320         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1321         * config.host: Likewise.
1322         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1323         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1324         __svr4__]: Remove "brand" fallback.
1325         [!KSTAT_DATA_STRING]: Remove.
1326         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1327         to *-*-solaris2*.
1328         (comdat_group): Likewise.
1329         (set_have_as_tls): Likewise.
1330         (gcc_cv_target_dl_iterate_phdr): Likewise.
1331         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1332         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1333         * configure: Regenerate.
1334         * doc/install.texi: Simplify Solaris target triplets.
1335         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1336         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1337         Remove Solaris 10 references.
1338         Remove obsolete Solaris bug reference.
1339         (Specific, sparc-sun-solaris2.10): Remove.
1340
1341 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1342
1343         * config/i386/i386.md (any_div): New code iterator.
1344         (paired_mod): New code attribute.
1345         (sgnprefix): Handle DIV and UDIV RTXes.
1346         (u): Ditto.
1347         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1348         and udivmod<mode>4 patterns using any_div code iterator.
1349         (divmod splitters): Macroize splitters using any_div code iterator.
1350         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1351         (*udivmodsi4_pow2_zext_2): Ditto.
1352         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1353         and *udivmod<mode>4_noext patterns using any_div code iterator.
1354         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1355         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1356         patterns using any_div code iterator.
1357         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1358         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1359         patterns using any_div code iterator.
1360         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1361         udivmodhiqi3 patterns using any_extend code iterator.
1362
1363 2019-05-14  Richard Biener  <rguenther@suse.de>
1364             H.J. Lu  <hongjiu.lu@intel.com>
1365
1366         PR tree-optimization/88828
1367         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1368         permuting in a single non-constant element not extracted
1369         from a vector.
1370
1371 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1372
1373         * internal-fn.def (SIGNBIT): New.
1374         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1375         defined.
1376         (signbitv4sf2): Likewise.
1377
1378 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1379
1380         PR target/90357
1381         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1382         next insn when the SRC reg is dead.
1383
1384 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1385
1386         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1387         (alloc_cand_and_find_basis): Ditto.
1388         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1389         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1390         (create_add_imm_cand, slsr_process_cast): Ditto.
1391         (slsr_process_copy, replace_mult_candidate): Ditto.
1392         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1393         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1394         (pass_strength_reduction::execute): Init the first NULL element.
1395
1396 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1397
1398         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1399         (run_attempt): Reformat line break.
1400
1401 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1402
1403         PR target/90418
1404         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1405         data registers in sibcall epilogues.
1406         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1407
1408 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1409
1410         PR target/89221
1411         * configure.ac (--enable-frame-pointer):
1412         Disable by default for cygwin and mingw.
1413         * configure: Regenerate.
1414
1415 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1416
1417         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1418         piece of code.
1419         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1420         (gen_member_die): Move abstract origin check earlier.  Only VARs
1421         can be static_inline_p.  Simplify splicing control flow.
1422
1423 2019-05-13  Richard Biener  <rguenther@suse.de>
1424
1425         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1426         VIEW_CONVERT_EXPR.
1427         (vect_build_slp_tree_1): Likewise.
1428
1429 2019-05-13  Richard Biener  <rguenther@suse.de>
1430
1431         PR tree-optimization/90402
1432         * tree-if-conv.c (tree_if_conversion): Value number only
1433         the loop body by making the latch an exit of the region
1434         as well.
1435         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1436         processing PHIs.
1437         (do_rpo_vn): Deal with multiple edges into the entry block
1438         that are not backedges inside the region by skipping PHIs
1439         of the entry block.
1440
1441 2019-05-13  Richard Biener  <rguenther@suse.de>
1442
1443         PR tree-optimization/90316
1444         * tree-ssa-pre.c (insert_aux): Fold into ...
1445         (insert): ... this function.  Use a RPO walk to reduce the
1446         number of required iterations.
1447
1448 2019-05-13  Martin Liska  <mliska@suse.cz>
1449
1450         PR tree-optimization/90416
1451         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1452         string instead of passing the second part as va_arg argument.
1453
1454 2019-05-13  Martin Liska  <mliska@suse.cz>
1455
1456         PR gcov-profile/90380
1457         * gcov.c (handle_cycle): Do not support zero cycle count,
1458         it should not be possible.
1459         (path_contains_zero_cycle_arc): New function.
1460         (circuit): Ignore zero cycle arc counts.
1461
1462 2019-05-13  Martin Liska  <mliska@suse.cz>
1463
1464         PR gcov-profile/90380
1465         * gcov.c (enum loop_type): Remove the enum and
1466         the operator.
1467         (handle_cycle): Assert that we should not reach
1468         a negative count.
1469         (circuit): Use loop_found instead of a tri-state loop_type.
1470         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1471         happen.
1472
1473 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1474
1475         PR target/82920
1476         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1477         (ix86_output_indirect_branch_via_reg): Use output mechanism
1478         accounting for __USER_LABEL_PREFIX__.
1479         (ix86_output_indirect_branch_via_push): Likewise.
1480         (ix86_output_function_return): Likewise.
1481         (ix86_output_indirect_function_return): Likewise.
1482
1483 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1484
1485         * doc/md.texi: Document use of code attributes in rtx patterns.
1486         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1487         * read-rtl.c (find_code): Split out search loops into...
1488         (maybe_find_code): ...this new function.
1489         (check_code_iterator): Make the error message more informative.
1490         (check_code_attribute): New function.
1491         (rtx_reader::rtx_alloc_for_name): Likewise.
1492         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1493         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1494         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1495         <max_opp> directly as an rtx code instead of via a match_operator.
1496         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1497         (<su>abd<mode>_3): Update accordingly.
1498
1499 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1500
1501         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1502         is given, print the state of the EH "save world" computation for
1503         Darwin.
1504
1505 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1506
1507         PR c++/59813
1508         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1509         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1510
1511 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1512
1513         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1514         Use pinsrd for TARGET_SSE4_1.
1515         * config/i386/sse.md (movdi_to_sse): Ditto.
1516
1517 2019-05-10  Richard Biener  <rguenther@suse.de>
1518
1519         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1520         (do_rpo_vn): Initialize next_value_id.
1521
1522 2019-05-10  Martin Liska  <mliska@suse.cz>
1523
1524         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1525         Fix plural form.
1526
1527 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1528
1529         PR tree-optimization/90385
1530         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1531         arguments of the exit phis.
1532
1533         PR c++/90383
1534         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1535         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1536         id->do_not_fold.
1537         (copy_tree_body_r): Likewise.
1538         (copy_fn): Set id.do_not_fold to true.
1539
1540 2019-05-10  Martin Liska  <mliska@suse.cz>
1541
1542         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1543         Reapply changes from r269790.
1544
1545 2019-05-10  Martin Liska  <mliska@suse.cz>
1546
1547         PR middle-end/90340
1548         * doc/invoke.texi: New params.
1549         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1550         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1551         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1552         Use it.
1553         * tree-switch-conversion.h (struct jump_table_cluster):
1554         Likewise.
1555
1556 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1557
1558         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1559
1560 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1561
1562         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1563
1564 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1565
1566         PR rtl-optimization/88879
1567         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1568
1569 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1570
1571         PR target/90405
1572         * config/arm/arm.c (callee_saved_reg_p): Move before
1573         thumb_find_work_register.
1574         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1575         thumb_find_work_register.  Only call df_get_live_out once.
1576         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1577         (thumb_find_work_register): Use
1578         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1579         algorithms to locate a spare call clobbered reg.
1580
1581 2019-05-09  Martin Liska  <mliska@suse.cz>
1582
1583         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1584         and MAX_EXPR in GIMPLE FE format.
1585
1586 2019-05-09  Martin Liska  <mliska@suse.cz>
1587
1588         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1589         * gimple-pretty-print.c (dump_gimple_bb_header):
1590         Dump BB count.
1591         (pp_cfg_jump): Dump edge probability.
1592         * profile-count.c (profile_quality_as_string): Simplify
1593         with a static array.
1594         (parse_profile_quality): New function.
1595         (profile_count::dump): Simplify with a static array.
1596         (profile_count::from_gcov_type): Add new argument.
1597         * profile-count.h (parse_profile_quality): Likewise.
1598         * predict.h (set_hot_bb_threshold): New.
1599         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1600         New param.
1601         * predict.c (get_hot_bb_threshold): Set from the new param.
1602         (set_hot_bb_threshold): New.
1603
1604 2019-05-09  Richard Biener  <rguenther@suse.de>
1605
1606         PR tree-optimization/90395
1607         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1608         rewrite vector stores that throw internally.
1609
1610 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1611
1612         * cif-code.def (CHKP): Remove.
1613
1614         PR target/89221
1615         * configure.ac (--enable-frame-pointer): Disable by default for
1616         GNU systems.
1617         * configure: Regenerate.
1618
1619 2019-05-09  Alan Modra  <amodra@gmail.com>
1620
1621         PR target/89271
1622         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1623         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1624         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1625         cost for general <-> vsx when direct moves are available.
1626         Cost union classes at minimal cost for any reg in the class.
1627         Correct calculation for moves between vsx, float, and altivec.
1628         Don't return a low cost for moves between special regs.  Don't
1629         use hard coded register numbers.
1630         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1631         (rs6000_ira_change_pseudo_allocno_class): New function.
1632         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1633         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1634         alternatives.
1635         (movsi_internal1): Don't disparage vector alternatives.
1636         (mov<mode>_internal): Likewise, excepting alternative that
1637         will be split.
1638         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1639         we <- b alternative.
1640
1641 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1642
1643         PR c++/59813
1644         PR tree-optimization/89060
1645         * tree-ssa-live.h (live_vars_map): New typedef.
1646         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1647         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1648         (struct compute_live_vars_data): New type.
1649         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1650         live_vars_at_stmt, destroy_live_vars): New functions.
1651         * tree-tailcall.c: Include tree-ssa-live.h.
1652         (live_vars, live_vars_vec): New global variables.
1653         (find_tail_calls): Perform variable life analysis before punting.
1654         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1655         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1656         member.
1657         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1658         Perform variable life analysis to select variables that really need
1659         clobbers added.
1660         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1661         instead set id->eh_landing_pad_dest and assert it is the same.
1662         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1663
1664 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1665             Richard Earnshaw  <rearnsha@arm.com>
1666
1667         PR target/88167
1668         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1669         function.
1670         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1671         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1672         register if both the epilogue and prologue can use call-clobbered
1673         regs.
1674         (thumb1_unexpanded_epilogue): Use
1675         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1676         picking temporaries for restoring high regs to match that of the
1677         prologue where possible.
1678         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1679         the list of work registers.  Detect if the return address is still live
1680         at the end of the prologue and avoid using it for a work register if so.
1681         If the return address is not live, add LR to the list of pushable regs
1682         after the first pass.
1683
1684 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1685
1686         PR tree-optimization/90078
1687         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1688         (INFTY): Increase the value for infinite cost.
1689         (struct comp_cost): Promote type of members to int64_t.
1690         (infinite_cost): Don't set complexity in initialization.
1691         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1692         overflows to infinite_cost.
1693         (adjust_setup_cost): Promote type of parameter and cost computation
1694         to int64_t.
1695         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1696         int64_t.
1697         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1698         cost computation to int64_t.
1699         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1700         int64_t's format specifier in dump.
1701
1702 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1703
1704         PR tree-optimization/90240
1705         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1706         with respect to scaling factor pre-computed for each basic block.
1707         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1708         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1709         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1710         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1711         live range for array of loop's basic blocks.  Cleanup aux field of
1712         loop's basic blocks.
1713
1714 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1715
1716         PR tree-optimization/90356
1717         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1718
1719 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1720
1721         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1722         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1723         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1724         (ix86_handle_option): Handle -mavx512bf16.
1725         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1726         to extra_headers.
1727         * config/i386/avx512bf16vlintrin.h: New.
1728         * config/i386/avx512bf16intrin.h: New.
1729         * config/i386/cpuid.h (bit_AVX512BF16): New.
1730         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1731         * config/i386/i386-builtin-types.def: Add new types.
1732         * config/i386/i386-builtin.def: Add new builtins.
1733         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1734         __AVX512BF16__.
1735         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1736         (ix86_option_override_internal): Handle BF16.
1737         (ix86_valid_target_attribute_inner_p): Ditto.
1738         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1739         * config/i386/i386-builtin.c (enum processor_features): Add
1740         F_AVX512BF16.
1741         (static const _isa_names_table isa_names_table): Ditto.
1742         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1743         (PTA_AVX512BF16): Ditto.
1744         * config/i386/i386.opt: Add -mavx512bf16.
1745         * config/i386/immintrin.h: Include avx512bf16intrin.h
1746         and avx512bf16vlintrin.h.
1747         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1748         avx512f_cvtneps2bf16_<mode><mask_name>,
1749         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1750         * config/i386/subst.md (mask_half): Add new subst.
1751         * doc/invoke.texi: Document -mavx512bf16.
1752
1753 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1754
1755         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1756         Delete declaration.
1757         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1758         (rs6000_debug_legitimize_reload_address): Delete.
1759         (rs6000_legitimize_reload_address_ptr): Delete.
1760         (rs6000_option_override_internal): Adjust.
1761         (mem_operand_gpr): Adjust comment.
1762         (legitimate_lo_sum_address_p): Ditto.
1763         (rs6000_legitimize_reload_address): Delete.
1764         (rs6000_debug_legitimize_reload_address): Delete.
1765         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
1766
1767 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1768
1769         PR target/89765
1770         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1771         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
1772         to compute vector element selector for both constant and variable
1773         operands.
1774
1775 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1776
1777         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
1778         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
1779         ashrdi3_cvt using SWI48 mode iterator.
1780
1781 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
1782
1783         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
1784         (aarch64_<su>abd<mode>_3): Likewise.
1785         (*aarch64_<su>abd<mode>_3): New define_insn.
1786         (<sur>sad<vsi2qi>): New define_expand.
1787         * config/aarch64/iterators.md: Added MAX_OPP attribute.
1788         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
1789         (build_vect_cond_expr): Likewise.
1790
1791 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
1792
1793         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
1794         clobbers outside of accessible_reg_set.
1795         * config/i386/i386.c (ix86_conditional_register_usage):
1796         Disable register sets by clearing corresponding bits in
1797         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
1798         call_used_regs and don't clear corresponding reg_names array members.
1799
1800 2019-05-07  Richard Biener  <rguenther@suse.de>
1801
1802         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
1803         not specified still compute a comp_vectype for invariant
1804         compares.
1805
1806 2019-05-07  Richard Biener  <rguenther@suse.de>
1807
1808         PR tree-optimization/90316
1809         * tree-ssa-pre.c (translate_vuse_through_block): When
1810         same_valid is NULL do not bother to search for a virtual
1811         PHI continuation.
1812         (phi_translate_1): When operands changed we cannot keep
1813         the same value-number so do not bother to ask whether
1814         that's possible from translate_vuse_through_block.
1815
1816 2019-05-07  Martin Liska  <mliska@suse.cz>
1817
1818         * bitmap.c (bitmap_register): Come up with
1819         alloc_descriptor_max_uid and assign it for
1820         a new bitmap.
1821         (register_overhead): Use get_descriptor as
1822         a descriptor.
1823         (release_overhead): New.
1824         (bitmap_elem_to_freelist): Call it.
1825         (bitmap_elt_clear_from): Likewise.
1826         (bitmap_obstack_free): Likewise.
1827         (bitmap_move): Sensitively release memory.
1828         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
1829         (bitmap_initialize): Initialize alloc_descriptor to zero.
1830         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
1831
1832 2019-05-07  Richard Biener  <rguenther@suse.de>
1833
1834         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
1835         we build a SLP node.  Remove max_size and limiting.
1836         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
1837
1838 2019-05-07  Richard Biener  <rguenther@suse.de>
1839
1840         PR tree-optimization/90316
1841         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
1842         limit by reference.
1843         (walk_non_aliased_vuses): Take walking limit argument.
1844         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
1845         walking if it is reached instead of just counting.
1846         (get_continuation_for_phi): Likewise.
1847         (walk_non_aliased_vuses): Likewise, instead of leaving counter
1848         limiting to the callback.
1849         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
1850         (vn_reference_lookup_3): Likewise.
1851         (vn_reference_lookup_pieces): Likewise.
1852         (vn_reference_lookup): Likewise.
1853         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
1854         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
1855         (avail_exprs_stack::lookup_avail_expr): Likewise.
1856
1857 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
1858
1859         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
1860         for comparaible types in the second direction even if first one
1861         hits incomparable type.
1862
1863 2019-05-07  Richard Biener  <rguenther@suse.de>
1864
1865         PR lto/90369
1866         * lto-wrapper.c (debug_objcopy): Use the original filename
1867         including archive offset for the filename used for -save-temps.
1868
1869 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
1870
1871         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
1872         detection.
1873
1874 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1875
1876         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
1877         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
1878         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
1879         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
1880         (FRAME_POINTER_REGNUM): Change numbering.
1881         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
1882         (alt_reg_names): Adjust.
1883         (rs6000_conditional_register_usage): Don't mark hard register 64 as
1884         fixed.
1885         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1886         (DWARF_FRAME_REGISTERS): Delete.
1887         (DWARF2_FRAME_REG_OUT): Fix whitespace.
1888         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1889         Adjust.
1890         (REG_ALLOC_ORDER): Adjust.
1891         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
1892         (REG_CLASS_CONTENTS): Adjust.
1893         (RETURN_ADDR_RTX): Change comment.
1894         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
1895         instead of 67.
1896         (REGISTER_NAMES): Adjust.
1897         (ADDITIONAL_REGISTER_NAMES): Adjust.
1898         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1899
1900 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1901
1902         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
1903         Delete.
1904         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
1905         (DWARF_FRAME_REGISTERS): Adjust.
1906         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
1907         Adjust.
1908         (REG_ALLOC_ORDER): Adjust.
1909         (enum reg_class): Delete SPR_REGS.
1910         (REG_CLASS_NAMES): Delete SPR_REGS.
1911         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
1912         (REGISTER_NAMES): Adjust.
1913         (ADDITIONAL_REGISTER_NAMES): Adjust.
1914         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
1915         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
1916         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
1917         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
1918         (htm_spr_regno): Delete.
1919         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
1920         argument.
1921         (rs6000_dbx_register_number): Adjust.
1922
1923 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1924
1925         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
1926
1927 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
1928
1929         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
1930         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
1931
1932 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR tree-optimization/88709
1935         PR tree-optimization/90271
1936         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
1937         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
1938         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
1939         variable.
1940         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
1941         of the store merging group is larger than
1942         PARAM_STORE_MERGING_MAX_SIZE parameter.
1943         (split_group): Add bzero_first argument.  If set, always emit first
1944         the first store which must be = {} of the whole area and then for the
1945         rest of the stores consider all zero bytes as paddings.
1946         (imm_store_chain_info::output_merged_store): Check if first store
1947         is = {} of the whole area and if yes, determine which setting of
1948         bzero_first for split_group gives smaller number of stores.  Adjust
1949         split_group callers.
1950         (lhs_valid_for_store_merging_p): Allow decls.
1951         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
1952         no elts.
1953         (pass_store_merging::process_store): Likewise.
1954
1955 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1956
1957         PR target/89424
1958         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
1959         handling of V1TImode.
1960
1961 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
1962
1963         PR target/89221
1964         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
1965         and enable_frame_pointer ...
1966         * configure.ac: ... here.  Update help strings for
1967         --enable-frame-pointer.
1968         * configure: Regenerate.
1969         * config/i386/i386-options.c (ix86_option_override_internal): Remove
1970         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
1971         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
1972         (USE_X86_64_FRAME_POINTER): Ditto.
1973
1974 2019-05-06  Martin Liska  <mliska@suse.cz>
1975
1976         * config.gcc: Append to target_gtfiles and fix indentation.
1977
1978 2019-05-06  Richard Biener  <rguenther@suse.de>
1979
1980         PR tree-optimization/90358
1981         * tree-vect-stmts.c (get_group_load_store_type): Properly
1982         detect unused upper half of load.
1983         (vectorizable_load): Likewise.
1984
1985 2019-05-06  Richard Biener  <rguenther@suse.de>
1986
1987         PR tree-optimization/88828
1988         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
1989         (simplify_vector_constructor): ...here.  Handle constants in
1990         the constructor.
1991
1992 2019-05-06  Richard Biener  <rguenther@suse.de>
1993
1994         PR tree-optimization/90328
1995         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
1996         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
1997         is valid in the loop nest before using it.
1998         (initialize_data_dependence_relation): Adjust.
1999         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2000         loop as loop-nest to dr_may_alias_p.
2001
2002 2019-05-06  Richard Biener  <rguenther@suse.de>
2003
2004         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2005
2006 2019-05-06  Richard Biener  <rguenther@suse.de>
2007
2008         PR tree-optimization/90316
2009         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2010         compute target on demand.
2011         (get_continuation_for_phi): Remove code walking stmts to
2012         get to a target virtual operand which could end up being
2013         quadratic.
2014
2015 2019-05-06  Martin Liska  <mliska@suse.cz>
2016
2017         PR sanitizer/90312
2018         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2019         when -mabi is selected to a non-default version.
2020
2021 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2022             Martin Liska  <mliska@suse.cz>
2023
2024         * Makefile.in: Add lto-dump.texi.
2025         * cgraph.h: Add new functions get_visibility_string and
2026         get_symtab_type_string.
2027         * doc/gcc.texi: Include lto-dump section.
2028         * doc/lto-dump.texi: New file.
2029         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2030         (parse_dump_option): Factor out this function.
2031         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2032         (parse_dump_option): Export the function.
2033         * symtab.c (symtab_node::get_visibility_string): New function.
2034         (symtab_node::get_symtab_type_string): Likewise.
2035
2036 2019-05-06  Martin Liska  <mliska@suse.cz>
2037
2038         * config/i386/i386-builtins.c: New file.
2039         * config/i386/i386-builtins.h: New file.
2040         * config/i386/i386-expand.c: New file.
2041         * config/i386/i386-expand.h: New file.
2042         * config/i386/i386-features.c: New file.
2043         * config/i386/i386-features.h: New file.
2044         * config/i386/i386-options.c: New file.
2045         * config/i386/i386-options.h: New file.
2046         * config.gcc: Add new files into extra_objs and
2047         target_gtfiles.
2048         * config/i386/i386.c: Split content of the file
2049         into newly introduced files.
2050         * config/i386/i386.h: Declare common variables
2051         and macros.
2052         * config/i386/t-i386: Define dependencies for new files.
2053
2054 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2055
2056         PR target/89400
2057         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2058         Restrict 'all' variant to 32-bit configurations.
2059         (unaligned_loadhiu): Likewise.
2060         (unaligned_storehi): Likewise.
2061         (unaligned_storesi): Likewise.
2062         (unaligned_loadhis): Disable when compiling for thumb1.
2063
2064 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2065
2066         PR tree-optimization/90269
2067         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2068         Ignore clobbers.
2069
2070 2019-05-03  Martin Liska  <mliska@suse.cz>
2071
2072         * hash-map.h: Add is_empty function.
2073         * hash-set.h: Likewise.
2074         * hash-table.h: Likewise.
2075         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2076         elements () == 0 (and similar usages).
2077         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2078         * gimplify.c (gimplify_bind_expr): Likewise.
2079         (gimplify_switch_expr): Likewise.
2080         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2081         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2082         * postreload-gcse.c (dump_hash_table): Likewise.
2083         (gcse_after_reload_main): Likewise.
2084         * predict.c (combine_predictions_for_bb): Likewise.
2085         * tree-parloops.c (reduction_phi): Likewise.
2086         (separate_decls_in_region): Likewise.
2087         (transform_to_exit_first_loop): Likewise.
2088         (gen_parallel_loop): Likewise.
2089         (gather_scalar_reductions): Likewise.
2090         (try_create_reduction_list): Likewise.
2091         * var-tracking.c (dump_vars): Likewise.
2092         (emit_notes_for_changes): Likewise.
2093         (vt_emit_notes): Likewise.
2094
2095 2019-05-03  Richard Biener  <rguenther@suse.de>
2096
2097         PR tree-optimization/90316
2098         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2099         before running VN.
2100
2101 2019-05-03  Richard Biener  <rguenther@suse.de>
2102
2103         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2104         peeling for gaps by loading only lower halves of vectors
2105         if possible.
2106         (vectorizable_load): Likewise.
2107
2108 2019-05-03  Richard Biener  <rguenther@suse.de>
2109
2110         PR middle-end/89518
2111         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2112
2113 2019-05-03  Richard Biener  <rguenther@suse.de>
2114
2115         PR middle-end/87314
2116         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2117         Handle STRING_CST vs DECL or STRING_CST.
2118
2119 2019-05-03  Richard Biener  <rguenther@suse.de>
2120
2121         PR tree-optimization/88963
2122         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2123         vector loads feeding only BIT_FIELD_REFs to component
2124         loads.  Rewrite stores fed by CONSTRUCTORs to component
2125         stores.
2126
2127 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2128
2129         * opts.h (finish_options): Remove lang_mask argument.
2130         (print_help, help_option_argument): Declare.
2131         * opts.c (print_help): Remove forward declaration, no longer static.
2132         (finish_options): Remove lang_mask argument, don't call print_help
2133         here.
2134         * opts-global.c (decode_options): Adjust finish_option caller, call
2135         print_help here.
2136
2137         PR tree-optimization/90303
2138         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2139         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2140
2141 2019-05-03  Richard Biener  <rguenther@suse.de>
2142
2143         PR tree-optimization/89698
2144         * gimple-fold.c (canonicalize_constructor_val): Early out
2145         for constants, handle unfolded INTEGER_CSTs as they appear in
2146         C++ virtual table ctors.
2147
2148 2019-05-03  Richard Biener  <rguenther@suse.de>
2149
2150         * passes.c (execute_function_todo): Remove dead code.
2151
2152 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2153
2154         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2155         the internal register number, for any "real" register.
2156
2157 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2158
2159         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2160         correct numbers for TFHAR, TFIAR, TEXASR.
2161
2162 2019-05-02  Richard Biener  <rguenther@suse.de>
2163
2164         PR tree-optimization/89653
2165         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2166         update-address-taken before the pass.
2167         * passes.def (pass_tree_loop_init): Put comment before it.
2168
2169 2019-05-02  Richard Biener  <rguenther@suse.de>
2170
2171         PR tree-optimization/89509
2172         * tree-ssa-structalias.c (compute_dependence_clique): Look
2173         at the first subvar when determining whether it is restrict.
2174
2175 2019-05-02  Richard Biener  <rguenther@suse.de>
2176
2177         PR tree-optimization/90273
2178         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2179         useless debug stmts.
2180
2181 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2182
2183         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2184         ACLE branch.
2185         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2186         SVE ACLE branch.
2187         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2188         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2189         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2190         (vectorizable_reduction): Use the functions above to vectorize in a
2191         fully masked loop codes that don't have a conditional internal
2192         function.
2193
2194 2019-05-02  Martin Liska  <mliska@suse.cz>
2195
2196         * cgraphclones.c: Call valid_attribute_p with 1 for
2197         target_clone.
2198         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2199         it's for target attribute.
2200         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2201         Add new boolean argument.
2202         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2203         Likewise.
2204         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2205         to ix86_valid_target_attribute_inner_p.
2206         (ix86_valid_target_attribute_p): Pass flags argument to
2207         ix86_valid_target_attribute_inner_p.
2208         (get_builtin_code_for_version): Use 0 as it's target attribute.
2209
2210 2019-05-02  Martin Liska  <mliska@suse.cz>
2211
2212         * gcc.c (process_command): Add dummy file only
2213         if n_infiles == 0.
2214         * opts-global.c (decode_options): Pass lang_mask.
2215         * opts.c (print_help): New function.
2216         (finish_options): Print --help if help_option_argument
2217         is set.
2218         (common_handle_option): Factor out content of OPT__help_
2219         into print_help.
2220         * opts.h (finish_options): Add new argument.
2221
2222 2019-05-02  Martin Liska  <mliska@suse.cz>
2223
2224         PR target/88809
2225         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2226         With -minline-all-stringops use inline expansion using 4B loop.
2227         * doc/invoke.texi: Document the change of
2228         -minline-all-stringops.
2229
2230 2019-05-01  Jeff Law  <law@redhat.com>
2231
2232         PR tree-optimization/88797
2233         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2234         PHI feeds a conditional on the RHS of an assignment.
2235
2236 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2237             Jim Wilson  <jimw@sifive.com>
2238
2239         * config/riscv/constraints.md (L): New.
2240         * config/riscv/predicates.md (lui_operand): New.
2241         (sfb_alu_operand): New.
2242         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2243         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2244         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2245         * config/riscv/risc.md (type): Add sfb_alu.
2246         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2247         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2248         (branch_zero<mode>): Delete.
2249         (mov<mode>cc): New.
2250         (mov<GPR:mode><X:mode>cc): Likewise.
2251         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2252
2253 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2254
2255         * tree.h (MARK_TS_EXP): New.
2256
2257 2019-04-30  Martin Liska  <mliska@suse.cz>
2258
2259         * opts.c (enable_warning_as_error): Provide hints
2260         for unknown options.
2261
2262 2019-04-30  Martin Liska  <mliska@suse.cz>
2263
2264         PR debug/90288
2265         * doc/invoke.texi: Add missing dash for gas-locview-support
2266         and gno-as-locview-support.
2267
2268 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2269
2270         PR target/89093
2271         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2272         whitespace at the start of target attribute string.
2273
2274 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2275
2276         PR target/86538
2277         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2278         Define __ARM_FEATURE_ATOMICS.
2279
2280 2019-04-30  Martin Liska  <mliska@suse.cz>
2281
2282         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2283         into built_in_function enum. Remove code for endp == 2 and
2284         use BUILT_IN_* constants.
2285         (gimple_fold_builtin): Call the function with fcode.
2286
2287 2019-04-30  Martin Liska  <mliska@suse.cz>
2288
2289         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2290         DECL_FUNCTION_CODE into ix86_builtins enum before
2291         the switch statement.
2292
2293 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2294
2295         PR tree-optimization/89475
2296         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2297         calls.
2298
2299 2019-04-30  Martin Liska  <mliska@suse.cz>
2300
2301         PR translation/90274
2302         * opts.c (print_filtered_help): Wrap string in _(...).
2303
2304 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2305
2306         PR tree-optimization/90240
2307         Revert:
2308         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2309
2310         PR tree-optimization/90078
2311         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2312         checks for infinite_cost overflow.
2313
2314 2019-04-29  Jeff Law  <law@redhat.com>
2315
2316         * passes.def: Move -Wrestrict pass after copy propagation.
2317
2318 2019-04-29  Maya Rashish  <coypu@sdf.org>
2319
2320         * config.gcc (default_gnu_indirect_function): Default to yes
2321         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2322         sparc*-*-netbsd*, x86_64-*-netbsd*.
2323
2324 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2325
2326         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2327         where cond2 is NE_EXPR.
2328         (is_value_included_in): Update comment.
2329
2330 2019-04-29  Richard Biener  <rguenther@suse.de>
2331
2332         PR tree-optimization/90278
2333         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2334         EH on comparison simplification.
2335
2336 2019-04-29  Jason Merrill  <jason@redhat.com>
2337
2338         PR c++/82081 - tail call optimization breaks noexcept
2339         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2340         nothrow function to a might-throw function into a tail call.
2341
2342 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2343
2344         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2345         (DDR_INNER_LOOP): Likewise.
2346         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2347         (initialize_data_dependence_relation): Likewise.
2348         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2349
2350 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2351
2352         PR rtl-optimization/90257
2353         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2354         return value.
2355
2356         Revert the revert:
2357         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2358
2359         PR target/90178
2360         Revert:
2361         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2362
2363         Revert the revert:
2364         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2365
2366         Revert:
2367         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2368
2369         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2370
2371 2019-04-29  Richard Biener  <rguenther@suse.de>
2372
2373         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2374         rhs issue a reset.
2375
2376 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2377
2378         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2379         varasm.h, and netbsd-protos.h.
2380
2381 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2382
2383         PR target/89261
2384         * config/i386/i386-protos.h (ix86_data_alignment): Change
2385         the second argument type to unsigned int.
2386         * config/i386/i386.c (ix86_data_alignment): Change "align"
2387         argument type to unsigned int.
2388
2389 2019-04-27  Martin Liska  <mliska@suse.cz>
2390
2391         PR middle-end/90258
2392         * opt-suggestions.c (option_proposer::build_option_suggestions):
2393         When get_valid_option_values returns empty values, add the
2394         misspelling candidate.
2395
2396 2019-04-26  Jim Wilson  <jimw@sifive.com>
2397
2398         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2399         parameter.
2400         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2401         Pass orig_mode to riscv_build_integer.
2402         (riscv_split_integer): Pass mode to riscv_move_integer.
2403         (riscv_legitimize_const_move): Likewise.
2404         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2405         promoted_mode.  Replace force_reg call with code to load constant into
2406         promoted reg and then subreg it for the store.
2407         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2408         riscv_move_integer.
2409
2410 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2411
2412         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2413         corrupt codes.
2414
2415 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2416
2417         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2418         commentary about the encoding of precision.
2419
2420 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2421
2422         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2423         * config/i386/t-freebsd64: New file.
2424         * config.gcc: Add the t-freebsd64 for multilib support.
2425
2426 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2427
2428         * doc/extend.texi (vector_size): Add missing comma after @xref.
2429
2430 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2431
2432         * BASE-VER: Set to 10.0.0.
2433
2434 2019-04-25  Richard Biener  <rguenther@suse.de>
2435
2436         PR middle-end/89765
2437         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2438         VIEW_CONVERT_EXPR into one operating on an rvalue.
2439
2440 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2441
2442         PR target/89929
2443         * config/i386/i386.c (feature_priority): Moved to file scope.
2444         (processor_features): Likewise.
2445         (processor_model): Likewise.
2446         (_arch_names_table): Likewise.
2447         (arch_names_table): Likewise.
2448         (_feature_list): Removed.
2449         (feature_list): Likewise.
2450         (_isa_names_table): Moved to file scope.  Add priority.
2451         (isa_names_table): Likewise.
2452         (get_builtin_code_for_version): Replace feature_list with
2453         isa_names_table.  Update error message for P_ZERO priority.
2454
2455 2019-04-25  Richard Biener  <rguenther@suse.de>
2456
2457         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2458         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2459
2460 2019-04-24  Jeff Law  <law@redhat.com>
2461
2462         PR tree-optimization/90037
2463         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2464         * passes.def: Replace all instance of phi-only cprop with the
2465         lattice propagator.  Move propagation pass from after erroneous
2466         path isolation to before erroneous path isolation.
2467         * tree-ssa-phionlycprop.c: Remove.
2468
2469 2019-04-24  Richard Biener  <rguenther@suse.de>
2470
2471         PR middle-end/90213
2472         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2473         by size and BITS_PER_UNIT on poly-wide-ints.
2474
2475 2019-04-25  Richard Biener  <rguenther@suse.de>
2476
2477         PR middle-end/90194
2478         * match.pd: Add pattern to simplify view-conversion of an
2479         empty constructor.
2480
2481 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2482
2483         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2484         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2485         for Go on 32 bit AIX.
2486         * config/rs6000/aix72.h: Likewise.
2487
2488 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2489
2490         PR target/90193
2491         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2492         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2493
2494 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2495
2496         PR target/89952
2497         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2498         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2499         for restored hard frame pointer.
2500         (s390_sched_dependencies_evaluation): Implement new target hook.
2501         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2502
2503 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2504
2505         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2506         * config/arc/arc.c (arc_init): Cleanup warning message.
2507         (arc_override_options): Likewise.
2508
2509 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2510
2511         PR target/90187
2512         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2513         a register if both if_true and if_false are MEMs.
2514
2515         PR tree-optimization/90208
2516         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2517         after labels of new_bb, not before them.
2518
2519         PR tree-optimization/90211
2520         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2521         which are not SSA_NAMEs.
2522
2523 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2524
2525         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2526         AArch64.
2527         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2528
2529 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2530
2531         PR rtl-optimization/87979
2532         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2533         not equal zero.
2534
2535 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2536
2537         PR rtl-optimization/84032
2538         * modulo-sched.c (ps_insn_find_column): Change condition so that
2539         branch will always be the last insn in a row inside partial
2540         schedule.
2541
2542 2019-04-23  Richard Biener  <rguenther@suse.de>
2543
2544         PR debug/90131
2545         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2546         dest_single_pred_p argument.
2547         (remove_forwarder_block): Adjust.
2548         (remove_forwarder_block_with_phi): Likewise.
2549
2550 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2551             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2552             Jakub Jelinek  <jakub@redhat.com>
2553
2554         PR target/89093
2555         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2556         if used with general-regs-only.
2557         (arm_conditional_register_usage): Don't add non-general regs if
2558         general-regs-only.
2559         (arm_valid_target_attribute_rec): Handle general-regs-only.
2560         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2561         general-regs-only.
2562         (TARGET_HARD_FLOAT_SUB): Define.
2563         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2564         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2565         (TARGET_REALLY_IWMMXT2): Likewise.
2566         * config/arm/arm.opt: Add -mgeneral-regs-only.
2567         * doc/extend.texi: Document ARM general-regs-only target.
2568         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2569
2570 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2571
2572         PR tree-optimization/90078
2573         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2574         checks for infinite_cost overflow.
2575
2576 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2577
2578         PR tree-optimization/90021
2579         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2580         and check univariate against it.
2581         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2582         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2583
2584 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         PR target/90178
2587         Revert:
2588         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         Revert the revert:
2591         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2592
2593         Revert:
2594         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2595
2596         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2597
2598 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2599
2600         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2601         names using operand format, rather than hard-wired.
2602         (speculation_barrier): Likewise.
2603
2604 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2605
2606         PR tree-optimization/88055
2607         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2608         (gen_one_condition): Use it if !HONOR_NANS.
2609
2610 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR middle-end/90139
2613         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2614         assign_temp instead of gen_reg_rtx.
2615
2616 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2617
2618         PR translation/90118
2619         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2620         Add missing space before %<.
2621
2622 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2623
2624         PR rtl-optimization/87871
2625         * ira-lives.c (make_object_dead): Don't add conflicts to
2626         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2627
2628 2019-04-18  Martin Sebor  <msebor@redhat.com>
2629
2630         PR middle-end/89797
2631         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2632         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2633         assuming type size fits in SHWI.
2634
2635 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2636
2637         PR ipa/85051
2638         * ipa-inline.c (flatten_function): New parameter UPDATE.
2639         (ipa_inline, early_inliner): Use it.
2640
2641 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2642
2643         * fold-const.c (int_const_binop): Return early on failure.
2644
2645 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2646
2647         PR middle-end/85164
2648         * combine.c (force_int_to_mode): Cast the argument rather than
2649         the result of known_alignment.
2650         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2651
2652 2019-04-18  Richard Biener  <rguenther@suse.de>
2653
2654         PR debug/90131
2655         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2656         out from ...
2657         (remove_forwarder_block): ... here.
2658         (remove_forwarder_block_with_phi): Also move debug stmts here.
2659
2660 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2661
2662         PR translation/79183
2663         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2664         inform where appropriate.
2665
2666 2019-04-18  Richard Biener  <rguenther@suse.de>
2667
2668         * tree.c (get_qualified_type): Put found type variants at the
2669         head of the variant list.
2670
2671 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2672
2673         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2674
2675 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2676
2677         PR target/90125
2678         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2679         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2680         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2681         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2682         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2683
2684 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2685
2686         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2687         even for allocno's with no conflicts.
2688         (print_conflicts): Print an extra newline.
2689
2690 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2691
2692         * auto-inc-dec.c (attempt_change): Set the alignment of the
2693         temporary memory to that of the original.
2694
2695 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2696
2697         * targhooks.c (default_print_patchable_function_entry): Emit
2698         __patchable_function_entries section with writable flags to allow
2699         relocation resolution.
2700
2701 2019-04-17  Jonny Grant  <jg@jguk.org>
2702
2703         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2704
2705 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR middle-end/90095
2708         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2709         on lowpart SUBREGs.
2710
2711 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2712
2713         * config/arc/arc.c (arc_init): Format diagnostic string.
2714         (arc_override_options): Likewise.
2715         (check_if_valid_regno_const): Likewise.
2716         (arc_reorg): Likewise.
2717
2718 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2719
2720         PR target/17108
2721         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2722         name.
2723         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2724         name.
2725         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2726         (*movdi_update1): Use Pmode.
2727         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2728         (movdi_<mode>_update_stack): Rename to ...
2729         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2730         use Pmode.
2731         (*movsi_update1): Use Pmode.
2732         (*movsi_update2): Use Pmode.
2733         (movsi_update): Rename to ...
2734         (movsi_<mode>_update): ... this.  Use Pmode.
2735         (movsi_update_stack): Fix condition.
2736         (*movhi_update1): Use Pmode.  Fix argument to
2737         avoiding_indexed_address_p.
2738         (*movhi_update2): Ditto.
2739         (*movhi_update3): Ditto.
2740         (*movhi_update4): Ditto.
2741         (*movqi_update1): Ditto.
2742         (*movqi_update2): Ditto.
2743         (*movqi_update3): Ditto.
2744         (*movsf_update1, *movdf_update1): Merge, rename to...
2745         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2746         avoiding_indexed_address_p.  Add "size" attribute.
2747         (*movsf_update2, *movdf_update2): Merge, rename to...
2748         (*mov<mode>_update2): This.  Ditto.
2749         (*movsf_update3): Use Pmode.  Fix argument to
2750         avoiding_indexed_address_p.
2751         (*movsf_update4): Ditto.
2752         (allocate_stack): Simplify condition.  Adjust pattern names.
2753
2754 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2755
2756         PR target/89093
2757         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2758         whitespace at the start of target attribute string.
2759
2760 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2761
2762         PR target/84369
2763         * config/rs6000/power9.md: Add store forwarding bypass.
2764
2765 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
2766
2767         PR debug/89528
2768         * valtrack.c (dead_debug_insert_temp): Reset debug references
2769         to the return value of a call being removed.
2770
2771 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2772
2773         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
2774         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
2775         implement target hook.
2776         (arc_memory_move_cost): New function.
2777         (TARGET_REGISTER_MOVE_COST): Define.
2778         (TARGET_MEMORY_MOVE_COST): Likewise.
2779         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
2780         (MEMORY_MOVE_COST): Likewise.
2781
2782 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2783
2784         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
2785         (sibcall_value_insn): Likewise.
2786         * config/arc/constraints.md (Rs5): Remove.
2787
2788 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2789
2790         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
2791         for last two fake registers.
2792         (arc_conditional_register_usage): Make sure fake frame and arg
2793         pointer regs are in general regs class.
2794         (FRAME_POINTER_MASK): Remove.
2795         (RETURN_ADDR_MASK): Remove.
2796         (arc_must_save_register): Use hard frame regnum.
2797         (frame_restore_reg): Use hard_frame_pointer_rtx.
2798         (arc_save_callee_saves): Likewise.
2799         (arc_restore_callee_saves): Likewise.
2800         (arc_save_callee_enter): Likewise.
2801         (arc_restore_callee_leave): Likewise.
2802         (arc_save_callee_milli): Likewise.
2803         (arc_eh_return_address_location): Likewise.
2804         (arc_check_multi): Use hard frame regnum.
2805         (arc_can_eliminate): Likewise.
2806         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
2807         for register allocator.
2808         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
2809         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
2810         (FRAME_POINTER_REGNUM): Change it to a fake register.
2811         (HARD_FRAME_POINTER_REGNUM): Defined.
2812         (ARG_POINTER_REGNUM): Change it to a new fake register.
2813         (ELIMINABLE_REGS): Update.
2814         (REGISTER_NAMES): Update names.
2815         * config/arc/arc.md (LP_START): Remove.
2816         (LP_END): Likewise.
2817         (shift_si3_loop): Update pattern.
2818
2819 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
2820
2821         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
2822         to avoid delay slot scheduling.
2823         (arc_must_save_register): Don't save SP.
2824         * config/arc/arc.md (stack_tie): Remove.
2825         (UNSPEC_ARC_STKTIE): Likewise.
2826
2827 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
2828             Shiva Chen  <shiva0217@gmail.com>
2829
2830         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
2831         code gen with large shift amount.
2832
2833 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
2834
2835         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
2836         subreg.
2837
2838 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR target/90096
2841         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
2842         print -m64/-mx32/-m32 if it is true.
2843         (ix86_debug_options, ix86_function_specific_print): Pass true as
2844         ADD_ABI_P to ix86_target_string.
2845         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
2846         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
2847         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
2848
2849         PR rtl-optimization/90082
2850         * dce.c (can_delete_call): New function.
2851         (deletable_insn_p, mark_insn): Use it.
2852
2853         PR tree-optimization/90090
2854         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
2855         throw internally.
2856         (is_division_by_square): Likewise.  Formatting fix.
2857
2858 2019-04-16  Richard Biener  <rguenther@suse.de>
2859
2860         PR tree-optimization/56049
2861         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
2862         equality check if alias-set zero will prevail.
2863
2864 2019-04-15  Jeff Law  <law@redhat.com>
2865
2866         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
2867         size and alignment as unsigned.
2868
2869 2019-04-15  Richard Biener  <rguenther@suse.de>
2870
2871         PR debug/90074
2872         * tree-loop-distribution.c (destroy_loop): Preserve correct
2873         debug info.
2874
2875 2019-04-15  Richard Biener  <rguenther@suse.de>
2876
2877         PR tree-optimization/90071
2878         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
2879         abnormal operands from def stmts.
2880
2881 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
2882
2883         PR rtl-optimization/89794
2884         * combine.c (count_auto_inc): New function.
2885         (try_combine): Count how many auto_inc expressions there were in the
2886         original instructions.  Ensure we have the same number in the new
2887         instructions.  Remove the code that tried to ensure auto_inc side
2888         effects on i1 and i0 are not lost.
2889
2890 2019-04-15  Richard Biener  <rguenther@suse.de>
2891
2892         PR ipa/88936
2893         * tree.h (auto_var_p): Declare.
2894         * tree.c (auto_var_p): New function, split out from ...
2895         (auto_var_in_fn_p): ... here.
2896         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
2897         member.
2898         (new_var_info): Initialize it.
2899         (set_uids_in_ptset): Also set the shadow variable uid if required.
2900         (ipa_pta_execute): Postprocess points-to solutions assigning
2901         shadow variable uids for locals that may reach their containing
2902         function recursively.
2903         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
2904         assert but instead check whether the points-to solution is
2905         a singleton.
2906
2907 2019-04-15  Martin Jambor  <mjambor@suse.cz>
2908
2909         PR ipa/pr89693
2910         * cgraph.c (clone_of_p): Loop over clone chain for each step in
2911         the thunk chain.
2912
2913 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2914
2915         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
2916
2917 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
2918             Kito Cheng  <kito.cheng@gmail.com>
2919             Shiva Chen  <shiva0217@gmail.com>
2920
2921         * config/nds32/nds32-md-auxiliary.c
2922         (nds32_legitimize_pic_address): Use new PIC pattern.
2923         (nds32_legitimize_tls_address): Use new TLS pattern.
2924         (nds32_output_symrel): New.
2925         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
2926         (nds32_alloc_relax_group_id): Ditto.
2927         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
2928         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
2929         relax_group_id.
2930         (nds32_group_tls_insn): Ditto.
2931         (nds32_group_float_insns): Ditto.
2932         * config/nds32/nds32.md (tls_le): New.
2933         (sym_got): Ditto.
2934
2935 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
2936
2937         * configure: Add nds32 target for dwarf2 debug_line checking.
2938         * configure.ac: Regenerated.
2939
2940 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
2941
2942         PR lto/89358
2943         * ipa-devirt.c (skip_in_fields_list_p): New.
2944         (odr_types_equivalent_p): Use it.
2945
2946 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
2947
2948         PR target/89093
2949         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
2950         instead of strncmp when checking for thumb and arm.  Formatting fixes.
2951
2952 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
2953
2954         * doc/install.texi: Document --with-target-system-zlib.
2955
2956 2019-04-12  Martin Sebor  <msebor@redhat.com>
2957
2958         PR c/88383
2959         PR c/89288
2960         PR c/89798
2961         PR c/89797
2962         * targhooks.c (default_vector_alignment): Avoid assuming
2963         argument fits in SHWI.
2964         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
2965         a shift expression.
2966         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
2967
2968 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
2969
2970         PR rtl-optimization/89965
2971         * dce.c: Include rtl-iter.h.
2972         (struct check_argument_load_data): New type.
2973         (check_argument_load): New function.
2974         (find_call_stack_args): Check for loads from stack slots still tracked
2975         in sp_bytes and punt if any is found.
2976
2977         * config/mips/loongson-mmiintrin.h: Fix up #error message.
2978
2979 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
2980
2981         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
2982         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
2983
2984 2019-04-12  Martin Liska  <mliska@suse.cz>
2985
2986         PR middle-end/89970
2987         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
2988         in error message.
2989         (separate_attrs): Handle multiple 'default's.
2990         (expand_target_clones): Rework error handling code.
2991
2992 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2993
2994         PR target/87532
2995         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
2996         mode of vector rather than mode of destination for move instruction.
2997         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
2998         Use QI inner mode with V16QI vector mode.
2999
3000 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3001
3002         PR target/52726
3003         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3004         "invalid %%t operand" in output_operand_lossage message.
3005
3006 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3007
3008         * config/s390/predicates.md (permute_pattern_operand): New
3009         predicate.
3010         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3011         operand for the permute pattern.
3012         ("*vec_perm<mode>"): New insn definition.
3013         ("bswap<mode>"): Generate the permute pattern operand in the
3014         expander and perform the operand reloads for pre arch13 level
3015         already.
3016         ("*bswap<mode>_emu"): Rename to ...
3017         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3018         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3019         Add the USE operand for the permute pattern.
3020         ("*vec_set_bswap_vec<mode>"): Likewise.
3021
3022 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR c/89946
3025         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3026         and gcc_unreachable if it fails, just call tree_to_uhwi which
3027         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3028         Start warning message with a lower-case letter.  Formatting fixes.
3029
3030         PR rtl-optimization/90026
3031         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3032         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3033         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3034         in cfglayout mode, use emit_barrier_after_bb.
3035
3036 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3037
3038         PR rtl-optimization/87763
3039         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3040         New Instruction.
3041
3042 2019-04-11  Tom de Vries  <tdevries@suse.de>
3043
3044         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3045         max macro using statement expression.
3046
3047 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3048
3049         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3050         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3051         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3052         read_only_private_data_section using xcoff_private_rodata_section_name.
3053         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3054
3055 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3056
3057         PR target/90016
3058         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3059
3060 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR rtl-optimization/89965
3063         * dce.c (sp_based_mem_offset): New function.
3064         (find_call_stack_args): Use sp_based_mem_offset.
3065
3066 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3067
3068         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3069
3070 2019-04-11  Richard Biener  <rguenther@suse.de>
3071
3072         PR tree-optimization/90020
3073         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3074         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3075         * tree-ssa-pre.c (compute_avail): Use it to not put
3076         possibly trapping references after a call that might not
3077         return into EXP_GEN.
3078         * gcse.c (compute_hash_table_work): Do not elide
3079         marking a block containing a call if the call might not
3080         return.
3081
3082 2019-04-11  Richard Biener  <rguenther@suse.de>
3083
3084         PR tree-optimization/90018
3085         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3086         Test both SLP and interleaving variants.
3087
3088 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3089
3090         * config/s390/8561.md: New file.
3091         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3092         Add arch13 cpu model.
3093         * config/s390/s390-opts.h (enum processor_type): Likewise.
3094         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3095         (s390_get_unit_mask): Likewise.
3096         (s390_is_fpd): Likewise.
3097         (s390_is_fxd): Likewise.
3098         * config/s390/s390.h (s390_tune_attr): Likewise.
3099         * config/s390/s390.md: Include arch13 pipeline description.
3100         * config/s390/s390.opt: Add arch13.
3101
3102 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3103
3104         PR rtl-optimization/87763
3105         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3106         New prototype.
3107         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3108         New function.
3109         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3110         New instruction.
3111         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3112         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3113         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3114         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3115
3116 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3117
3118         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3119         "Although" in -fipa-icf documentation.
3120
3121         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3122         of using multiple -g options.
3123
3124 2019-04-10  Martin Liska  <mliska@suse.cz>
3125
3126         PR gcov-profile/89959
3127         * doc/gcov.texi: Make documentation of -x option
3128         more precise.
3129
3130 2019-04-10  Richard Biener  <rguenther@suse.de>
3131
3132         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3133         member.
3134         (DR_GROUP_SAME_DR_STMT): Remove.
3135         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3136         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3137         replace with assert.
3138         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3139         (vect_record_grouped_load_vectors): Remove unreachable code.
3140
3141 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3142
3143         PR target/90016
3144         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3145         obsolete reference to N.
3146
3147 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3148
3149         PR middle-end/90025
3150         * expr.c (store_expr): Set properly size on the MEM passed to
3151         clear_storage.
3152
3153         PR c++/90010
3154         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3155         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3156         translation is needed, and when translation is needed, only append
3157         ... if the string length is hostsz or more bytes long.  Avoid using
3158         strncpy or strcat.
3159
3160 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3161
3162         PR target/90024
3163         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3164         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3165         into three.
3166         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3167         differences directly.
3168         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3169
3170 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3171
3172         PR translation/90011
3173         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3174         from diagnostics.
3175         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3176         diagnostics.
3177         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3178         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3179         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3180         trailing space from -gsplit-dwarf diagnostics.
3181
3182         PR tree-optimization/89998
3183         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3184         instead of integer_type_node if possible, don't add ranges if return
3185         type is not compatible with int.
3186         * gimple-fold.c (gimple_fold_builtin_sprintf,
3187         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3188         integer_type_node.
3189
3190 2019-04-09  Martin Liska  <mliska@suse.cz>
3191
3192         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3193         * doc/install.texi: Document the new config.
3194
3195 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3196
3197         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3198         use gimple_expr_type for load and store calls.  Skip over the
3199         condition argument in a conditional internal function.
3200         Protect use of TREE_INT_CST_LOW.
3201
3202 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3203
3204         PR target/90015
3205         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3206         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3207         trailing period from it too.
3208
3209 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3210
3211         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3212         * config/aarch64/aarch64.md : Add "tsv110.md"
3213         * config/aarch64/tsv110.md: New file.
3214
3215 2019-04-08  Richard Biener  <rguenther@suse.de>
3216
3217         PR tree-optimization/90006
3218         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3219         calls like lrint.
3220
3221 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3222
3223         PR target/83033
3224         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3225         construction.
3226         (fma_root_node): Likewise.
3227         (func_fma_steering): Likewise.
3228
3229 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3230
3231         PR rtl-optimization/89865
3232         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3233
3234         PR rtl-optimization/89865
3235         * config/i386/i386.md
3236         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3237         numbers not to clash with the additional operands[4].
3238         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3239         with extra register copy in the middle.
3240
3241 2019-04-08  Martin Liska  <mliska@suse.cz>
3242
3243         PR gcov-profile/89961
3244         * doc/gcov.texi: Document data_file.
3245         * gcov.c (generate_results): Add data_info into JSON output.
3246
3247 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3248
3249         PR tree-optimization/89725
3250         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3251         loop's chrec as invariant symbol.
3252         * tree-chrec.h (chrec_contains_symbols): New parameter.
3253         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3254         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3255         function of loops not in DDR's loop_nest.
3256         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3257
3258 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3259
3260         PR target/89623
3261         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3262         Mask.
3263
3264 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3265
3266         PR target/89945
3267         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3268         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3269
3270 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3271
3272         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3273         targetm.fixed_condition_code_regs.
3274
3275 2019-04-05  Richard Biener  <rguenther@suse.de>
3276
3277         PR debug/89892
3278         PR debug/89905
3279         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3280         debug bind stmts but reset them if they are not valid at the
3281         destination.
3282
3283 2019-04-05  Martin Liska  <mliska@suse.cz>
3284
3285         PR translation/89936
3286         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3287         order to wrap keywords or arguments.
3288         * collect2.c (main): Likewise.
3289         (scan_prog_file): Likewise.
3290         (scan_libraries): Likewise.
3291         * common/config/riscv/riscv-common.c
3292         (riscv_subset_list::parsing_subset_version): Likewise.
3293         (riscv_subset_list::parse_std_ext): Likewise.
3294         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3295         Likewise.
3296         * config/arm/arm.c (arm_option_override): Likewise.
3297         * config/cris/cris.c (cris_print_operand): Likewise.
3298         * config/darwin-c.c (darwin_pragma_options): Likewise.
3299         (darwin_pragma_unused): Likewise.
3300         (darwin_pragma_ms_struct): Likewise.
3301         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3302         * config/i386/i386.c (print_reg): Likewise.
3303         (ix86_print_operand): Likewise.
3304         * config/i386/xm-djgpp.h: Likewise.
3305         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3306         * config/m32c/m32c.c (m32c_option_override): Likewise.
3307         * config/msp430/msp430.c (msp430_option_override): Likewise.
3308         * config/nds32/nds32.c (nds32_option_override): Likewise.
3309         * config/nvptx/mkoffload.c (main): Likewise.
3310         * config/rx/rx.c (rx_print_operand): Likewise.
3311         (valid_psw_flag): Likewise.
3312         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3313         (vms_pragma_nomember_alignment): Likewise.
3314         (vms_pragma_extern_model): Likewise.
3315         * lto-wrapper.c (compile_offload_image): Likewise.
3316         * omp-offload.c (oacc_parse_default_dims): Likewise.
3317         * symtab.c (symtab_node::verify_base): Likewise.
3318         * tlink.c (recompile_files): Likewise.
3319         (start_tweaking): Likewise.
3320         * tree-profile.c (parse_profile_filter): Likewise.
3321
3322 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3323
3324         PR tree-optimization/89956
3325         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3326         multiple negates of the same value.
3327
3328 2019-04-04  Martin Sebor  <msebor@redhat.com>
3329
3330         PR middle-end/89957
3331         PR middle-end/89911
3332         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3333         have the same precision since the function crashes otherwise.
3334         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3335         has non-zero arguments.
3336
3337 2019-04-04  Martin Sebor  <msebor@redhat.com>
3338
3339         PR middle-end/89934
3340         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3341         out if the number of arguments is less than expected.
3342
3343 2019-04-04  Jeff Law  <law@redhat.com>
3344
3345         PR rtl-optimization/89399
3346         * ree.c (combine_set_extension): Use single_set rather than
3347         digging into PATTERN for items on the candidate list.
3348         (combine_reaching_defs): Likewise.
3349
3350 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3351
3352         PR rtl-optimization/46590
3353         * loop-invariant.c (find_defs): Move df_remove_problem and
3354         df_process_deferred_rescans to move_invariants.
3355         Move df_live_add_problem and df_live_set_all_dirty calls
3356         to move_invariants.
3357         (move_invariants): Likewise.
3358         (move_loop_invariants): Likewise, making the df_live calls
3359         conditional on -O.  Remove the problem again if we added it
3360         locally.
3361
3362 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3363
3364         PR tree-optimization/89730
3365         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3366         -flive-patching=inline-only-static.
3367         (can_inline_edge_by_limits_p): Add the checking for
3368         -flive-patching=inline-only-static and grant always_inline
3369         even when -flive-patching=inline-only-static is specified.
3370
3371 2019-04-03  Jeff Law  <law@redhat.com>
3372
3373         PR rtl-optimization/81025
3374         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3375
3376 2019-04-03  Richard Biener  <rguenther@suse.de>
3377
3378         PR tree-optimization/84101
3379         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3380         regs.h for hard_regno_nregs.
3381         (cfun_returns): New helper.
3382         (vect_model_store_cost): When vectorizing a store to a decl
3383         we return and the function ABI returns in a multi-reg location
3384         account for the possible spilling that will happen.
3385
3386 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3387
3388         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3389         displacement addresses for vector mode operands.
3390
3391 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3392
3393         * config/arc/arc.c (GMASK_LEN): Define.
3394         (arc_restore_callee_saves): Restore first blink when
3395         !optimize_size.
3396
3397 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3398
3399         * doc/extend.texi: Add deprecated comment on sign-return-address
3400         function attribute and add mbranch-protection.
3401         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3402
3403 2019-04-03  Richard Biener  <rguenther@suse.de>
3404
3405         PR lto/89896
3406         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3407         the all target phony.
3408
3409 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3410
3411         PR target/89902
3412         PR target/89903
3413         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3414         Return false for variable DImode shifts.
3415         (dimode_scalar_chain::compute_convert_gain): Do not handle
3416         register count operand in variable DImode shifts.
3417         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3418         count argument of a variable shift instruction to a vector register.
3419         (dimode_scalar_chain::convert_reg): Remove support to convert
3420         count argument of a variable shift instruction.
3421
3422 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3423
3424         PR rtl-optimization/84206
3425         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3426         iterating over loop headers.
3427
3428 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3429
3430         PR rtl-optimization/85876
3431         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3432         beyond the original fence.
3433
3434 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3435
3436         * config.gcc: Mark spu* targets as deprecated/obsolete.
3437
3438 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3439
3440         * config/s390/s390-builtin-types.def: New builtin function type
3441         definitions. Remove unused types.
3442         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3443         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3444         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3445         overloaded builtins.
3446         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3447         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3448         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3449         (vec_double, vec_signed, vec_unsigned): Define to use the new
3450         overloaded builtins.
3451         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3452         Remove expanders.
3453
3454 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3455
3456         * config/s390/s390-builtin-types.def: New builtin function type
3457         definitions.
3458         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3459         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3460         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3461         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3462         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3463         constant definitions.
3464         * config/s390/vecintrin.h (vec_search_string_cc)
3465         (vec_search_string_until_zero_cc): New builtin name definitions.
3466         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3467         expanders.
3468         ("vec_vstrs<mode>"): New insn definition.
3469
3470 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3471
3472         * config/s390/s390-builtin-types.def: Add new builtin function
3473         types.
3474         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3475         New overloaded builtins.
3476         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3477         s390_vsrd.
3478         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3479         (UNSPEC_VEC_SLDBYTE): ... this.
3480         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3481         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3482         definitions.
3483         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3484         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3485         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3486
3487 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3488
3489         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3490         New insn definition.
3491         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3492         * config/s390/vector.md (V_HW_HSD): ... here.
3493
3494 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3495
3496         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3497         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3498         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3499         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3500         New insn definitions.
3501
3502 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3503
3504         * config/s390/s390-builtin-types.def: Add new builtin function type.
3505         * config/s390/s390-builtins.def: Add overloaded builtin
3506         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3507         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3508         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3509         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3510         ("eltswap<mode>"): New expander.
3511         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3512         insn definitions.
3513
3514 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3515
3516         * config/s390/s390-builtin-types.def: Add new builtin function types.
3517         * config/s390/s390-builtins.def: Add overloaded builtin
3518         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3519         instructions.
3520         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3521         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3522         ("bswap<mode>"): New expander.
3523         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3524
3525 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3526
3527         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3528         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3529         vector builtin version number in __VEC__.
3530
3531 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3532
3533         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3534         iterators.
3535         (SFSI): New mode attribute.
3536         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3537         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3538         rename to ...
3539         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3540         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3541         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3542         ("floatsi<mode>2"): Add wcefb instruction.
3543
3544 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3545
3546         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3547         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3548         mode iterators.
3549         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3550         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3551         support 32 bit fp-int conversions. Rename to ...
3552         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3553         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3554         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3555         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3556         ... to these.
3557
3558 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3559
3560         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3561         if-then-else constructs if we can use the select instruction.
3562         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3563
3564 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3565
3566         * config/s390/s390.md ("*popcountdi_arch13_cc")
3567         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3568         definition.
3569         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3570         Append _z196 to make it ...
3571         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3572         ("popcounthi2_z196"): ... this.
3573         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3574         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3575
3576 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3577
3578         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3579         certain compares for arch13 in order to make use of the condition
3580         code result produced by the new instructions.
3581         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3582         nxrk, and nxgrk instruction patterns.
3583         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3584         (inv_no): Add new code iterator together with some attributes.
3585         ("*andc_split_<mode>"): Disable splitter for arch13.
3586         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3587         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3588         ("*<ANDOR:bitops_name>c<GPR:mode>")
3589         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3590         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3591         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3592         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3593
3594 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3595
3596         * common/config/s390/s390-common.c (processor_flags_table): New
3597         entry for arch13.
3598         * config.gcc: Support arch13 with the --with-arch= configure flag.
3599         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3600         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3601         * config/s390/s390.c (s390_get_sched_attrmask)
3602         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3603         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3604         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3605         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3606         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3607         definitions.
3608         * config/s390/s390.opt: Support arch13 as processor type in
3609         command line options.
3610
3611 2019-04-02  Martin Liska  <mliska@suse.cz>
3612
3613         PR translation/89912
3614         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3615         Fix param description of graphite-max-arrays-per-scop.
3616
3617 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3618
3619         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3620         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3621         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3622
3623 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3624
3625         PR rtl-optimization/85412
3626         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3627         sel_sched_region_1, not after.
3628
3629 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3630
3631         PR rtl-optimization/86928
3632         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3633         compute_live if necessary.
3634         (sel_redirect_edge_and_branch): Likewise.
3635
3636 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3637
3638         PR rtl-optimization/89865
3639         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3640         register if it is a part of small class.
3641
3642 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3643
3644         PR rtl-optimization/87273
3645         * sel-sched-ir.c (merge_fences): Remove assert.
3646
3647 2019-04-01  Richard Biener  <rguenther@suse.de>
3648
3649         PR tree-optimization/46590
3650         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3651         (dom_walker::m_reachability): Add in place of...
3652         (dom_walker::m_skip_unreachable_blocks): ...this.
3653         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3654         Move complex initialization ...
3655         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3656         lazily and initialize edge flags on each invocation.
3657         (dom_walker::bb_reachable): Use m_reachability.
3658
3659 2019-04-01  Martin Liska  <mliska@suse.cz>
3660
3661         PR driver/89861
3662         * opt-suggestions.c (option_proposer::build_option_suggestions):
3663         Add variant without any argument in order to provide better
3664         hints.
3665
3666 2019-04-01  Richard Biener  <rguenther@suse.de>
3667
3668         PR c/71598
3669         * gimple.c: Include langhooks.h.
3670         (gimple_get_alias_set): Treat enumeral types as the underlying
3671         integer type.
3672
3673 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3674             Eric Botcazou  <ebotcazou@adacore.com>
3675
3676         PR rtl-optimization/89862
3677         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3678         that operates on the full registers for WORD_REGISTER_OPERATIONS
3679         architectures.
3680
3681 2019-03-29  Jim Wilson  <jimw@sifive.com>
3682
3683         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3684         Clear MASK_RVC and then set if C subset supported.
3685
3686 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3687
3688         PR c/89872
3689         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3690         non-addressable complit into its initializer if it is volatile.
3691
3692 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3693
3694         * opts-common.c (integral_argument): Set errno properly in one case.
3695
3696 2019-03-29  Martin Liska  <mliska@suse.cz>
3697
3698         * doc/invoke.texi: Remove -Wchkp from documentation.
3699
3700 2019-03-29  Martin Liska  <mliska@suse.cz>
3701
3702         * dbgcnt.c (print_limit_reach): New function.
3703         (dbg_cnt): Use it.
3704
3705 2019-03-29  Martin Liska  <mliska@suse.cz>
3706
3707         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3708         (dbg_cnt_process_opt): Parse first tokens aas
3709         dbg_cnt_process_single_pair is also using strtok.
3710
3711 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3712
3713         PR rtl-optimization/87485
3714         * function.c (expand_function_end): Move stack_protect_epilogue
3715         before loading of return value into hard register(s).
3716
3717 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR middle-end/89621
3720         * tree-inline.h (struct copy_body_data): Add
3721         dont_remap_vla_if_no_change flag.
3722         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3723         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3724         and remap_type_2 returns false.
3725         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3726         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3727         only from where it is copied to nested contexts.
3728
3729 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3730
3731         PR target/89865
3732         * config/i386/i386.md (RMW operation with LEA peephole):
3733         Use LEAMODE mode attribute instead of SWI mode iterator for
3734         LEA pattern.
3735
3736 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3737
3738         PR target/89848
3739         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3740         Also process XEXP (src, 0) of a shift insn.
3741
3742 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3743
3744         PR middle-end/89725
3745         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3746         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3747
3748 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3749
3750         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3751         test.
3752         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3753         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3754         immediately after first one with df_analyze in between, but rather
3755         process all bbs, queueing ones that need second pass in a worklist,
3756         df_analyze, process queued debug insn changes and if second pass is
3757         needed, process bbs from worklist, df_analyze, process queued debug
3758         insns again.
3759
3760         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3761         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3762         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
3763
3764 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
3765
3766         PR c/79022
3767         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
3768         definition.
3769
3770 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
3771
3772         PR target/85667
3773         * config/i386/i386.c (ix86_function_value_1): Call the newly added
3774         function for 32-bit MS_ABI.
3775         (function_value_ms_32): New function.
3776
3777 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
3778
3779         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
3780         (movdi): Call gen_movdi_symbol_save_scc.
3781         (gen_movdi_symbol_save_scc): New insn and split.
3782
3783 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
3784
3785         PR rtl-optimization/89313
3786         * function.c (matching_constraint_num): New static function.
3787         (match_asm_constraints_1): Use it.  Fixup white space and comment.
3788         Don't replace inputs with non-matching constraints which conflict
3789         with early clobber outputs.
3790
3791 2019-03-27  Jeff Law  <law@redhat.com>
3792
3793
3794         PR rtl-optimization/87761
3795         PR rtl-optimization/89826
3796         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
3797         slightly later.
3798         (pass_cprop_hardreg::execute): Call df_analyze after adding the
3799         note problem to get REG_DEAD/REG_UNUSED notes updated.
3800
3801 2019-03-27  Richard Biener  <rguenther@suse.de>
3802
3803         PR tree-optimization/89463
3804         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
3805         queue edges to remove.
3806         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
3807         dead stmts.  Delay edge removal until PHIs are removed to
3808         make debug-stmt creation not confused by seemingly degenerate
3809         PHIs.
3810
3811 2019-03-27  Alan Modra  <amodra@gmail.com>
3812
3813         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
3814         throughout file.
3815         * config/rs6000/darwin.h: Likewise.
3816         * config/rs6000/rs6000.c: Likewise.
3817
3818 2019-03-27  Alan Modra  <amodra@gmail.com>
3819
3820         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
3821         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
3822
3823 2019-03-26  Andrew Waterman  <andrew@sifive.com>
3824             Jim Wilson  <jimw@sifive.com>
3825
3826         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
3827         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
3828         (generic_idivdi, generic_fmul_single, generic_fmul_double)
3829         (generic_fdiv, generic_fsqrt): Add check for generic tune.
3830         (generic_alu): Add auipc to type list.
3831         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
3832         (riscv_microarchitecture): Declare.
3833         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
3834         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
3835         field.
3836         (riscv_microarchitecture): New.
3837         (sifive_7_tune_info): New.
3838         (riscv_cpu_info_table): Add microarchitecture value for rocket and
3839         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
3840         entries.
3841         (riscv_store_data_bypass_p): New.
3842         (riscv_option_override): Set riscv_microarchitecture from
3843         cpu->microarchitecture.
3844         * config/riscv/riscv.md: Include sifive-7.md.
3845         (type): Add auipc.
3846         (tune): New.
3847         (auipc<mode>): Change type to auipc.
3848         (restore_stack_nonlocal): New.
3849         * config/riscv/sifive-7.md: New.
3850         * doc/invoke.texi (RISC-V Options): Update mtune docs.
3851
3852 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
3853
3854         PR target/89827
3855         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
3856         Also process XEXP (src, 0) of a shift insn.
3857
3858 2019-03-26  Richard Biener  <rguenther@suse.de>
3859
3860         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
3861         (copy_debug_stmt): Likewise.
3862         (expand_call_inline): Likewise.
3863         (copy_bb): Avoid redundant lookup & set of gimple_block.
3864         * gimple-low.c (lower_gimple_return): Likewise.
3865         (lower_builtin_setjmp): Likewise.
3866
3867 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
3868
3869         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
3870         is constant 0, turn into static const data member initialized to false.
3871         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
3872         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
3873
3874 2019-03-26  Jason Merrill  <jason@redhat.com>
3875             Jakub Jelinek  <jakub@redhat.com>
3876
3877         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
3878         method.
3879         (mem_alloc_description::release_object_overhead): Fix comment typos.
3880         * hash-table.h (hash_table::~hash_table): Call
3881         release_instance_overhead only if m_entries is non-NULL, otherwise
3882         call unregister_descriptor.
3883
3884 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
3885
3886         PR tree-optimization/81740
3887         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3888         In case of outer loop vectorization, check for backward dependence
3889         at the inner loop if outer loop dependence is reversed.
3890
3891 2019-03-26  Alan Modra  <amodra@gmail.com>
3892
3893         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
3894         rs6000_vector_mem init.  Correct wI and wJ comment.
3895
3896 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
3897
3898         PR rtl-optimization/88347
3899         PR rtl-optimization/88423
3900         * sched-deps.c (sched_analyze_insn): Take into account that for
3901         tablejumps the barrier appears after a label and a jump_table_data.
3902
3903 2019-03-25  Martin Sebor  <msebor@redhat.com>
3904
3905         PR c/89812
3906         * c-common.c (check_user_alignment): Rename local.  Correct maximum
3907         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
3908         convert it to UHWI when it fits.
3909
3910 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
3911
3912         PR debug/86964
3913         * dwarf2out.c (premark_used_variables): New function.
3914         (prune_unused_types_walk): Do not mark not premarked external
3915         variables.
3916         (prune_unused_types): Call premark_used_variables.
3917
3918 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
3919
3920         PR rtl-optimization/89676
3921         * lra-constraints.c (curr_insn_transform): Do match reload for
3922         early clobbers when the match was successful only for different
3923         registers.
3924
3925 2019-03-25  Martin Sebor  <msebor@redhat.com>
3926
3927         * doc/extend.texi (Common Type Attributes): Document vector_size.
3928         (Common Variable Attributes): Mention size constraint.  Correct
3929         quoting and typos.
3930         (Vector Extensions): Use @dfn when defining bas type.  Clarify
3931         base type and size constraints.
3932
3933 2019-03-25  Richard Biener  <rguenther@suse.de>
3934
3935         PR tree-optimization/89789
3936         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
3937         changes from non-undefined back to undefined.
3938
3939 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
3940
3941         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
3942         heap string and a gc string, but since this variable is unknown to
3943         ggc the gc string might get reused and corrupted. Fixed by always
3944         using a heap string.
3945
3946 2019-03-25  Richard Biener  <rguenther@suse.de>
3947
3948         PR tree-optimization/89779
3949         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
3950         to remove IV defs, delay actual removal.
3951         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
3952         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
3953         very end, properly also reset loop control IV information.
3954
3955 2019-03-25  Richard Biener  <rguenther@suse.de>
3956
3957         PR tree-optimization/89802
3958         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
3959         move EH data to folded stmt.
3960
3961 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3962
3963         * config/s390/s390-builtin-types.def: Remove few unused types and
3964         fix sort order for others.
3965
3966 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
3967
3968         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
3969         expected and found types with -mdebug during builtin matching.
3970
3971 2019-03-25  Richard Biener  <rguenther@suse.de>
3972
3973         PR middle-end/89790
3974         * fold-const.c (operand_equal_p): Revert last change with
3975         updated comment.
3976
3977 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
3978
3979         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
3980         notes for the result of the __tls_get_addr calls.
3981         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
3982
3983 2019-03-24  Jeff Law  <law@redhat.com>
3984
3985         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
3986
3987         PR rtl-optimization/87761
3988         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
3989         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
3990         as needed.
3991         (pass_cprop_hardreg::execute): Add df note problem and defer insn
3992         rescans.  Reprocess blocks as needed, calling df_analyze before
3993         reprocessing.  Always call df_analyze before fixing up debug bind
3994         insns.
3995
3996 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
3997
3998         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
3999         big endian.
4000
4001 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4002
4003         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4004         attrribute for uxtw.
4005
4006 2019-03-26  Jeff Law  <law@redhat.com>
4007
4008         PR rtl-optimization/87761
4009         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4010         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4011         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4012         into the next instruction.
4013         (mips_split_move_insn): Pass INSN through to mips_split_move.
4014
4015 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4016
4017         PR rtl-optimization/89676
4018         * lra-constraints.c (curr_insn_transform): Do match reload for
4019         early clobbers even if the match was successful.
4020
4021 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4022
4023         PR c++/87481
4024         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4025
4026 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4027
4028         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4029
4030 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4031
4032         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4033         <avx512>_fmsub_<mode>_mask3<round_name>,
4034         <avx512>_fnmadd_<mode>_mask3<round_name>,
4035         <avx512>_fnmsub_<mode>_mask3<round_name>,
4036         avx512f_vmfmadd_<mode>_mask3<round_name>,
4037         avx512f_vmfmsub_<mode>_mask3<round_name>,
4038         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4039         instead of register_operand and %v instead of v for match_operand 1.
4040         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4041         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4042         <round_nimm_predicate> instead of register_operand and %v instead of v
4043         for match_operand 1.
4044
4045         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4046         <avx512>_fmadd_<mode>_mask3<round_name>,
4047         <avx512>_fmsub_<mode>_mask<round_name>,
4048         <avx512>_fmsub_<mode>_mask3<round_name>,
4049         <avx512>_fnmadd_<mode>_mask<round_name>,
4050         <avx512>_fnmadd_<mode>_mask3<round_name>,
4051         <avx512>_fnmsub_<mode>_mask<round_name>,
4052         <avx512>_fnmsub_<mode>_mask3<round_name>,
4053         <avx512>_fmaddsub_<mode>_mask<round_name>,
4054         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4055         <avx512>_fmsubadd_<mode>_mask<round_name>,
4056         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4057         <round_nimm_predicate> instead of nonimmediate_operand.
4058         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4059         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4060         Use register_operand instead of <round_nimm_predicate> for the
4061         operand that needs to match output.
4062         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4063         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4064         Likewise.  Formatting fixes.
4065
4066         PR target/89784
4067         * config/i386/i386.c (enum ix86_builtins): Remove
4068         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4069         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4070         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4071         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4072         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4073         __builtin_ia32_vfmsubss3_mask3): New builtins.
4074         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4075         avx512f_vmfmadd_<mode>_mask3<round_name>,
4076         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4077         *avx512f_vmfmsub_<mode>_mask<round_name>,
4078         avx512f_vmfmsub_<mode>_mask3<round_name>,
4079         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4080         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4081         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4082         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4083         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4084         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4085         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4086         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4087         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4088         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4089         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4090         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4091         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4092         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4093         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4094         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4095         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4096         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4097         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4098         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4099         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4100         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4101         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4102         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4103         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4104         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4105         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4106         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4107
4108 2019-03-21  Martin Sebor  <msebor@redhat.com>
4109
4110         PR tree-optimization/89350
4111         * builtins.c (compute_objsize): Also ignore offsets whose upper
4112         bound is negative.
4113         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4114         (builtin_memref::builtin_memref): Initialize new member.
4115         Allow EXPR to be null.
4116         (builtin_memref::extend_offset_range): Replace local with a member.
4117         Avoid assuming pointer offsets are unsigned.
4118         (builtin_memref::set_base_and_offset): Determine base object
4119         before computing offset range.
4120         (builtin_access::builtin_access): Handle memset.
4121         (builtin_access::generic_overlap): Replace local with a member.
4122         (builtin_access::strcat_overlap): Same.
4123         (builtin_access::overlap): Same.
4124         (maybe_diag_overlap): Same.
4125         (maybe_diag_access_bounds): Same.
4126         (wrestrict_dom_walker::check_call): Handle memset.
4127         (check_bounds_or_overlap): Same.
4128
4129 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4130             Jakub Jelinek  <jakub@redhat.com>
4131
4132         PR lto/89692
4133         * tree.c (fld_type_variant, fld_incomplete_type_of,
4134         fld_process_array_type): Call fld->pset.add and don't call
4135         add_tree_to_fld_list if it returns true.
4136         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4137         non-marked types from TYPE_NEXT_VARIANT list.
4138         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4139
4140 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4141
4142         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4143         to false, if true, don't alloc_entries during construction, but defer
4144         it to the first method that needs m_entries allocated.
4145         (hash_table::hash_table, hash_table::~hash_table,
4146         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4147         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4148         hash_table::clear_slot, hash_table::traverse_noresize,
4149         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4150         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4151         false.
4152         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4153         NO_INSERT instead of find_with_hash.
4154         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4155         hash_set::m_table): Add Lazy to template params of hash_table.
4156         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4157         * attribs.c (test_attribute_exclusions): Likewise.
4158         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4159         hash_set.  Add tests for hash_set with Lazy = true.
4160
4161 2019-03-21  Richard Biener  <rguenther@suse.de>
4162
4163         PR tree-optimization/89779
4164         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4165         checks with respect to released SSA names now having error_mark_node
4166         type.
4167         * fold-const.c (operand_equal_p): Likewise.
4168
4169 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4170
4171         PR target/89775
4172         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4173         available to ...
4174         (s390_optimize_register_info): Use global_not_special_regno_p to
4175         check for global regs.
4176
4177 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4178
4179         PR target/89752
4180         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4181         update this_alternative nor this_alternative_set.
4182
4183 2019-03-19  Jim Wilson  <jimw@sifive.com>
4184
4185         PR target/89411
4186         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4187         align, size, offset.  Use them to handle a BLKmode reference.  Update
4188         comment.
4189         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4190
4191 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4192
4193         PR rtl-optimization/89768
4194         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4195         instead of GEN_INT.
4196         (unroll_loop_runtime_iterations): Likewise.
4197
4198 2019-03-19  Martin Sebor  <msebor@redhat.com>
4199
4200         PR tree-optimization/89644
4201         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4202         rather than endptr as an indicator of nul-termination.
4203
4204         PR tree-optimization/89644
4205         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4206         arrays in determining sequence sizes in strncpy and stpncpy.
4207
4208 2019-03-19  Martin Liska  <mliska@suse.cz>
4209
4210         PR middle-end/89737
4211         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4212         unlikely_edges if there's an edge that belongs to both these sets.
4213
4214 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4215
4216         PR target/89746
4217         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4218         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4219         go via a stack temporary.
4220
4221 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4222
4223         PR target/89378
4224         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4225         instead of gen_rtx_SUBREG.
4226         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4227
4228 2019-03-19  Richard Biener  <rguenther@suse.de>
4229
4230         PR debug/88389
4231         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4232
4233 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4234
4235         PR lto/87809
4236         PR lto/89335
4237         * tree.c (free_lang_data_in_decl): Do not free context of C++
4238         destrutors.
4239
4240 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4241
4242         PR target/89506
4243         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4244         subs for the first alternative except when operands[3] is 1.
4245
4246         PR target/89752
4247         * gimplify.c (gimplify_asm_expr): For output argument with
4248         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4249         diagnose error.
4250
4251 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4252
4253         PR rtl-optimization/89753
4254         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4255         explicit unrolling factor even more robust.
4256
4257 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4258
4259         PR target/89726
4260         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4261         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4262         signed zeros, do another copysign after the compensation.
4263
4264 2019-03-18  Martin Sebor  <msebor@redhat.com>
4265
4266         PR tree-optimization/89720
4267         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4268         more conservatively, the same as anti-range.
4269
4270 2019-03-18  Richard Biener  <rguenther@suse.de>
4271
4272         PR middle-end/88945
4273         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4274         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4275         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4276         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4277
4278 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4279
4280         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4281         Extend queue to 1024 entries.
4282         Add "consumed" field.
4283         (gomp_print_output): Remove print_index parameter.
4284         Add final parameter.
4285         Change limit to unsigned.
4286         Use consumed field to implement circular buffer.
4287         Detect interrupted print in final pass.
4288         Flush output at the end.
4289         (run): Update gomp_print_output usage.
4290         (main): Initialize kernargs->output_data.consumed.
4291
4292 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4293
4294         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4295         calculation of the minimum number of scalar iterations for
4296         fully-predicated loops.
4297
4298 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4299
4300         PR tree-optimization/89546
4301         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4302         any propagation to its children took place.
4303
4304 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4305
4306         PR target/89627
4307         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4308         parameter, and make use of it.
4309         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4310
4311 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4312
4313         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4314         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4315         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4316         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4317         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4318         match what the ops is doing.
4319         (push_multi_fp_blink): Likewise.
4320         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4321         compiling for size and elf target.
4322         (arc_save_callee_enter): Adjust note to match what enter/leave
4323         operation does.
4324
4325 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4326
4327         * config/arc/arc.md (tst_movb): Fix constraint.
4328
4329 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4330
4331         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4332
4333 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4334
4335         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4336         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4337         reg_alloc_order references.
4338         (size_alloc_order): Define.
4339         (arc_adjust_reg_alloc_order): New function.
4340         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4341         order.
4342         (ADJUST_REG_ALLOC_ORDER): Define.
4343         (HONOR_REG_ALLOC_ORDER): Likewise.
4344
4345 2019-03-18  Richard Biener  <rguenther@suse.de>
4346
4347         PR target/87561
4348         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4349         loads and stores a bit more.
4350
4351 2019-03-18  Richard Biener  <rguenther@suse.de>
4352
4353         PR target/87561
4354         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4355         load pessimization to stores as well.
4356
4357 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4358
4359         PR middle-end/86979
4360         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4361         successor, use NULL as its av set.
4362
4363 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4364
4365         PR rtl-optimization/89721
4366         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4367
4368 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4369
4370         PR target/87532
4371         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4372         When handling vec_extract, use modular arithmetic to allow
4373         constant selectors greater than vector length.
4374         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4375         V1TImode vectors to have constant selector values greater than 0.
4376         Use modular arithmetic to compute vector index.
4377         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4378         index for in-memory vectors.  Correct code generation for
4379         in-register vectors.
4380         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4381         compute index.
4382
4383 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4384
4385         PR c++/88534
4386         PR c++/88537
4387         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4388         VAR_DECL args.
4389
4390 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4391
4392         PR c++/89709
4393         * tree.c (inchash::add_expr): Strip any location wrappers.
4394         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4395         after hash verification.
4396
4397         PR debug/89704
4398         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4399         SIGN_EXTEND and ZERO_EXTEND.
4400
4401 2019-03-14  Jason Merrill  <jason@redhat.com>
4402             Jakub Jelinek  <jakub@redhat.com>
4403
4404         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4405         than if is_empty (*slot).
4406         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4407         existing elt and for elt removal.
4408         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4409         of already removed elt.
4410
4411 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4412
4413         PR target/89650
4414         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4415         REG_EH_REGION note.
4416
4417 2019-03-14  Martin Liska  <mliska@suse.cz>
4418
4419         PR other/89712
4420         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4421
4422 2019-03-14  Richard Biener  <rguenther@suse.de>
4423
4424         PR target/89711
4425         * config/i386/i386.c (make_resolver_func): Properly set
4426         DECL_CONTEXT on the RESULT_DECL.
4427         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4428
4429 2019-03-14  Richard Biener  <rguenther@suse.de>
4430
4431         * gimple-pretty-print.c: Include cfgloop.h.
4432         (dump_gimple_phi): Adjust.
4433         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4434         (pp_cfg_jump): Adjust.
4435         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4436         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4437         (lower_phi_internal_fn): Remove.
4438         (verify_gimple_call): Remove IFN_PHI special-casing.
4439         (dump_function_to_file): Dump IL state.
4440         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4441         done to deal with PHI nodes being present in non-SSA state.
4442
4443 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4444
4445         PR ipa/89684
4446         * multiple_target.c (create_dispatcher_calls): Change
4447         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4448         In the node->iterate_referring loop, push *ref rather than ref, call
4449         ref->remove_reference () and always pass 0 to iterate_referring.
4450
4451         PR rtl-optimization/89679
4452         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4453         would contain a paradoxical SUBREG.
4454
4455 2019-03-14  Richard Biener  <rguenther@suse.de>
4456
4457         PR tree-optimization/89710
4458         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4459         safe_dyn_cast.
4460
4461 2019-03-14  Martin Liska  <mliska@suse.cz>
4462
4463         * coverage.c (coverage_begin_function): Stream also
4464         end_column.
4465         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4466         documentation about function declaration location.
4467         * gcov-dump.c (tag_function): Print whole range
4468         of function declaration.
4469         * gcov.c (struct function_info): Add end_column field.
4470         (function_info::function_info): Initialize it.
4471         (output_json_intermediate_file): Output {start,end}_column
4472         fields.
4473         (read_graph_file): Read end_column.
4474
4475 2019-03-14  Richard Biener  <rguenther@suse.de>
4476
4477         PR middle-end/89698
4478         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4479         that the access types are similar.
4480
4481 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4482
4483         PR tree-optimization/89703
4484         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4485         aren't compatible also with builtin_decl_explicit.  Check pure
4486         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4487         and BUILT_IN_STPNCPY{,_CHK}.
4488
4489 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4490
4491         PR target/89523
4492         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4493         addr32 prefix to VSIB address for X32.
4494         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4495         "%M2" to opcode.
4496         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4497         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4498         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4499         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4500         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4501         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4502         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4503         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4504         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4505         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4506         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4507         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4508         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4509         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4510         (*avx512f_scatterdi<mode>): Likewise.
4511
4512 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4513
4514         PR target/85860
4515         * lra-constraints.c (inherit_in_ebb): Update
4516         potential_reload_hard_regs along with live_hard_regs.
4517
4518 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4519
4520         PR debug/89498
4521         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4522         DWARF_OFFSET_SIZE.
4523         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4524
4525 2019-03-13  Martin Sebor  <msebor@redhat.com>
4526
4527         PR tree-optimization/89662
4528         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4529         has a size.
4530
4531 2019-03-13  Richard Biener  <rguenther@suse.de>
4532
4533         PR middle-end/89677
4534         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4535         throw FP expressions at tree-affine.
4536
4537 2019-03-14  Richard Biener  <rguenther@suse.de>
4538
4539         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4540         dump negative integer constants using _Literal (type) -num.
4541
4542 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4543
4544         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4545         nonlocal_value member.
4546
4547         PR middle-end/88588
4548         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4549         (ipa_simd_modify_function_body): Handle PHIs.
4550
4551 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4552
4553         * config/s390/s390.c (s390_option_override_internal): Use more
4554         aggressive inlining parameters.
4555
4556 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4557
4558         * config/s390/3906.md: New file.
4559         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4560         (LONGRUNNING_THRESHOLD): Remove.
4561         (MAX_SCHED_MIX_SCORE): Decrease.
4562         (MAX_SCHED_MIX_DISTANCE): Decrease.
4563         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4564         (struct s390_sched_state): New struct to hold scheduling state.
4565         (S390_SCHED_STATE_NORMAL): Remove.
4566         (S390_SCHED_STATE_CRACKED): Remove.
4567         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4568         (s390_get_sched_attrmask): Use new attribute.
4569         (s390_get_unit_mask): Use new units.
4570         (s390_is_fpd): New function.
4571         (s390_is_fxd): New function.
4572         (s390_is_longrunning): New function.
4573         (s390_sched_score): Use new functions.
4574         (s390_sched_reorder): Likewise.
4575         (s390_sched_variable_issue): Rework and use new functions.
4576         (s390_sched_init): Use new functions.
4577         * config/s390/s390.h (s390_tune_attr):  Add z14.
4578         * config/s390/s390.md: Add z14.
4579
4580 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4581
4582         * config/s390/2964.md: Update pipeline description.
4583         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4584         (LONGRUNNING_THRESHOLD): Remove.
4585         (LATENCY_FACTOR): Remove.
4586         (s390_get_unit_mask): Add unit.
4587         (s390_sched_score): Use fxd/fpd.
4588         (s390_sched_variable_issue): Use fxd/fpd.
4589
4590 2019-03-12  Martin Liska  <mliska@suse.cz>
4591
4592         * config/i386/i386.c: Reword an error message.
4593
4594 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4595
4596         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4597         terminate with newline.
4598
4599 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4600
4601         PR target/52726
4602         * config/s390/s390.md (tabort): Use %wd instead of
4603         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4604         letters and periods.
4605         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4606         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4607         's with %< and %>.
4608
4609         PR middle-end/89663
4610         * builtins.c (expand_builtin_int_roundingfn,
4611         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4612         gcc_unreachable if validate_arglist fails.
4613
4614 2019-03-12  Richard Biener  <rguenther@suse.de>
4615
4616         PR tree-optimization/89664
4617         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4618         free the occurance tree after the early out.
4619
4620 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4621
4622         PR middle-end/89655
4623         PR bootstrap/89656
4624         * vr-values.c (vr_values::update_value_range): If
4625         old_vr->varying_p (), don't update it, make new_vr also VARYING
4626         and return false.
4627
4628 2019-03-11  Martin Liska  <mliska@suse.cz>
4629
4630         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4631         Fix double string quoting.
4632
4633 2019-03-11  Martin Liska  <mliska@suse.cz>
4634
4635         * collect-utils.c (collect_wait): Wrap apostrophes
4636         in gcc internal format with %'.
4637         * collect2.c (main): Likewise.
4638         (scan_prog_file): Likewise.
4639         (scan_libraries): Likewise.
4640         * config/i386/i386.c (ix86_expand_call): Likewise.
4641         (ix86_handle_interrupt_attribute): Likewise.
4642         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4643         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4644         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4645         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4646         * symtab.c (symtab_node::verify_base): Likewise.
4647         * tree-cfg.c (verify_gimple_label): Likewise.
4648         * tree.c (verify_type_variant): Likewise.
4649
4650 2019-03-11  Martin Liska  <mliska@suse.cz>
4651
4652         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4653         in a string format message and fix GNU coding style.
4654         (expand_builtin_set_thread_pointer): Likewise.
4655         * common/config/aarch64/aarch64-common.c
4656         (aarch64_rewrite_selected_cpu): Likewise.
4657         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4658         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4659         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4660         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4661         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4662         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4663         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4664         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4665         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4666         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4667         Likewise.
4668         * common/config/riscv/riscv-common.c
4669         (riscv_subset_list::parsing_subset_version): Likewise.
4670         (riscv_subset_list::parse_std_ext): Likewise.
4671         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4672         (riscv_subset_list::parse): Likewise.
4673         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4674         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4675         (aarch64_override_options_internal): Likewise.
4676         (aarch64_validate_mcpu): Likewise.
4677         (aarch64_validate_march): Likewise.
4678         (aarch64_validate_mtune): Likewise.
4679         (aarch64_override_options): Likewise.
4680         * config/alpha/alpha.c (alpha_option_override): Likewise.
4681         * config/arc/arc.c (arc_init): Likewise.
4682         (parse_mrgf_banked_regs_option): Likewise.
4683         (arc_override_options): Likewise.
4684         (arc_expand_builtin_aligned): Likewise.
4685         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4686         (arm_expand_builtin): Likewise.
4687         * config/arm/arm.c (arm_option_check_internal): Likewise.
4688         (arm_configure_build_target): Likewise.
4689         (arm_option_override): Likewise.
4690         (arm_options_perform_arch_sanity_checks): Likewise.
4691         (arm_handle_cmse_nonsecure_entry): Likewise.
4692         (arm_handle_cmse_nonsecure_call): Likewise.
4693         (arm_tls_referenced_p): Likewise.
4694         (thumb1_expand_prologue): Likewise.
4695         * config/avr/avr.c (avr_option_override): Likewise.
4696         * config/bfin/bfin.c (bfin_option_override): Likewise.
4697         * config/c6x/c6x.c (c6x_option_override): Likewise.
4698         * config/cr16/cr16.c (cr16_override_options): Likewise.
4699         * config/cris/cris.c (cris_option_override): Likewise.
4700         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4701         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4702         * config/darwin.c (darwin_override_options): Likewise.
4703         * config/frv/frv.c (frv_expand_builtin): Likewise.
4704         * config/h8300/h8300.c (h8300_option_override): Likewise.
4705         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4706         (ix86_option_override_internal): Likewise.
4707         (warn_once_call_ms2sysv_xlogues): Likewise.
4708         (ix86_expand_prologue): Likewise.
4709         (split_stack_prologue_scratch_regno): Likewise.
4710         (ix86_warn_parameter_passing_abi): Likewise.
4711         * config/ia64/ia64.c (fix_range): Likewise.
4712         * config/m68k/m68k.c (m68k_option_override): Likewise.
4713         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4714         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4715         (mips_set_compression_mode): Likewise.
4716         * config/mmix/mmix.c (mmix_option_override): Likewise.
4717         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4718         * config/msp430/msp430.c (msp430_option_override): Likewise.
4719         * config/nds32/nds32.c (nds32_option_override): Likewise.
4720         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4721         (nios2_option_override): Likewise.
4722         (nios2_expand_custom_builtin): Likewise.
4723         * config/nvptx/mkoffload.c (main): Likewise.
4724         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4725         * config/pa/pa.c (fix_range): Likewise.
4726         (pa_option_override): Likewise.
4727         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4728         (riscv_option_override): Likewise.
4729         * config/rl78/rl78.c (rl78_option_override): Likewise.
4730         * config/rs6000/aix61.h: Likewise.
4731         * config/rs6000/aix71.h: Likewise.
4732         * config/rs6000/aix72.h: Likewise.
4733         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4734         * config/rs6000/freebsd64.h: Likewise.
4735         * config/rs6000/linux64.h: Likewise.
4736         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4737         (rs6000_expand_zeroop_builtin): Likewise.
4738         (rs6000_expand_mtfsb_builtin): Likewise.
4739         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4740         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4741         (rs6000_invalid_builtin): Likewise.
4742         (rs6000_expand_split_stack_prologue): Likewise.
4743         * config/rs6000/rtems.h: Likewise.
4744         * config/rx/rx.c (valid_psw_flag): Likewise.
4745         (rx_expand_builtin): Likewise.
4746         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4747         * config/s390/s390.c (s390_expand_builtin): Likewise.
4748         (s390_function_profiler): Likewise.
4749         (s390_option_override_internal): Likewise.
4750         (s390_option_override): Likewise.
4751         * config/sh/sh.c (sh_option_override): Likewise.
4752         (sh_builtin_saveregs): Likewise.
4753         (sh_fix_range): Likewise.
4754         * config/sh/vxworks.h: Likewise.
4755         * config/sparc/sparc.c (sparc_option_override): Likewise.
4756         * config/spu/spu.c (spu_option_override): Likewise.
4757         (fix_range): Likewise.
4758         * config/visium/visium.c (visium_option_override): Likewise.
4759         (visium_handle_interrupt_attr): Likewise.
4760         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4761         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4762         (dbg_cnt_process_opt): Likewise.
4763         * dwarf2out.c (output_dwarf_version): Likewise.
4764         * except.c (expand_eh_return): Likewise.
4765         * gcc.c (defined): Likewise.
4766         (driver_handle_option): Likewise.
4767         (process_command): Likewise.
4768         (compare_files): Likewise.
4769         (driver::prepare_infiles): Likewise.
4770         (driver::do_spec_on_infiles): Likewise.
4771         (driver::maybe_run_linker): Likewise.
4772         * omp-offload.c (oacc_parse_default_dims): Likewise.
4773         * opts-global.c (handle_common_deferred_options): Likewise.
4774         * opts.c (parse_sanitizer_options): Likewise.
4775         (common_handle_option): Likewise.
4776         (enable_warning_as_error): Likewise.
4777         * passes.c (enable_disable_pass): Likewise.
4778         * plugin.c (parse_plugin_arg_opt): Likewise.
4779         (default_plugin_dir_name): Likewise.
4780         * targhooks.c (default_expand_builtin_saveregs): Likewise.
4781         (default_pch_valid_p): Likewise.
4782         * toplev.c (init_asm_output): Likewise.
4783         (process_options): Likewise.
4784         (toplev::run_self_tests): Likewise.
4785         * tree-cfg.c (verify_gimple_call): Likewise.
4786         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
4787         (tree_inlinable_function_p): Likewise.
4788         * var-tracking.c (vt_find_locations): Likewise.
4789
4790 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
4791
4792         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
4793         only on the else branch.
4794
4795 2019-03-11  Martin Liska  <mliska@suse.cz>
4796
4797         * gcov.c (output_intermediate_json_line): Print function
4798         name of each line.
4799         (output_json_intermediate_file): Add new argument.
4800         * doc/gcov.texi: Document the change.
4801
4802 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
4803
4804         PR rtl-optimization/89588
4805         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4806         explicit unrolling factor more robust.
4807
4808 2019-03-11  Richard Biener  <rguenther@suse.de>
4809
4810         PR tree-optimization/89649
4811         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
4812         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
4813         on the prolog and epilog loops.
4814         (vect_loop_versioning): Return copy of loop.
4815         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
4816         on the non-vectorized version of the loop.
4817
4818 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
4819
4820         PR target/68924
4821         * config/i386/sse.md (*vec_extractv2di_0_sse):
4822         Add (=r,x) alternative and corresponding splitter.
4823
4824 2019-03-10  Martin Jambor  <mjambor@suse.cz>
4825
4826         PR tree-optimization/85762
4827         PR tree-optimization/87008
4828         PR tree-optimization/85459
4829         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
4830         it points to if there is a type changing MEM_REF.  Adjust all callers.
4831         (build_accesses_from_assign): Disable total scalarization if
4832         contains_vce_or_bfcref_p returns true through the new parameter, for
4833         both rhs and lhs.
4834
4835 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
4836
4837         PR c/88568
4838         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
4839         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
4840
4841         PR target/79645
4842         * common.opt (fdiagnostics-show-labels,
4843         fdiagnostics-show-line-numbers, fdiagnostics-format=,
4844         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
4845         gas-locview-support, ginline-points, ginternal-reset-location-views):
4846         Terminate description text with a dot.
4847         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
4848         * config/mcore/mcore.opt (m210, m340): Likewise.
4849         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
4850         mnops=): Start description text with a capital letter.
4851         * config/arc/arc.opt (msize-level=): Likewise.
4852         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
4853         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
4854         mnewlib): Likewise.
4855         * config/ft32/ft32.opt (msim): Likewise.
4856         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
4857         (mnodiv, mnopm): Terminate description text with a dot.
4858         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
4859         a colon.
4860         * config/i386/i386.opt (prefer_vector_width, instrument_return):
4861         Likewise.
4862         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
4863         text.
4864
4865         PR rtl-optimization/89634
4866         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
4867         are modified in BB_END (e->src) instruction.
4868
4869 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
4870
4871         PR target/79926
4872         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
4873         messages more amenable to translation, and improve wording.
4874
4875 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
4876
4877         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
4878         ud- and du-chains between phases.
4879
4880 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
4881
4882         PR debug/89631
4883         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
4884         instead of POLY_INT_CST.
4885
4886 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4887
4888         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
4889         requirement.
4890
4891 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
4892
4893         PR target/68924
4894         PR target/78782
4895         PR target/87558
4896         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
4897         (_mm_storeu_si64): Ditto.
4898
4899 2019-03-08  Martin Liska  <mliska@suse.cz>
4900
4901         PR target/86952
4902         * config/i386/i386.c (ix86_option_override_internal): Disable
4903         jump tables when retpolines are used.
4904
4905 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
4906
4907         PR go/63560
4908         * ipa-split.c (execute_split_functions): Do not split
4909         'noinline' or 'section' function.
4910
4911 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4912
4913         PR target/79846
4914         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
4915         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
4916         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
4917
4918         PR ipa/80000
4919         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
4920         from diagnostics.  Formatting fixes.
4921
4922         PR target/85665
4923         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
4924         warn_odr diagnostics.
4925
4926         PR other/80058
4927         * lra-constraints.c (process_alt_operands): Avoid one space before
4928         " at the end of line and another after " on another line in a string
4929         literal.
4930         * attribs.c (handle_dll_attribute): Likewise.
4931         * config/avr/avr-devices.c (avr_texinfo): Likewise.
4932
4933         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
4934         warning_at or inform messages in G_() if there is no ?:.
4935
4936         PR tree-optimization/89550
4937         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
4938         returned true.  Formatting fixes.
4939         (expand_builtin_strnlen): Formatting fixes.
4940         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
4941         if warning_at returned true.
4942         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
4943
4944 2019-03-08  Richard Biener  <rguenther@suse.de>
4945
4946         PR middle-end/89578
4947         * cfgloop.h (struct loop): Add owned_clique field.
4948         * cfgloopmanip.c (copy_loop_info): Copy it.
4949         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
4950         cliques.
4951         * tree-inline.c (copy_loops): Remap owned_clique.
4952         * lto-streamer-in.c (input_cfg): Stream owned_clique.
4953         * lto-streamer-out.c (output_cfg): Likewise.
4954
4955 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
4956
4957         PR target/80190
4958         * config/darwin.c: Include intl.h.
4959         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
4960         composing the message out of two separate parts.
4961
4962 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
4963
4964         PR target/80003
4965         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
4966         doesn't start with a capital letter and doesn't end with a dot.
4967         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
4968         with a capital letter.
4969         (ix86_mangle_function_version_assembler_name): Likewise.
4970         (ix86_generate_version_dispatcher_body): Likewise.
4971         (fold_builtin_cpu): Likewise.
4972         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
4973         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
4974         translators, wrap full type name in %qs.
4975
4976         PR translation/79999
4977         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
4978         depend clause with source (or sink) modifier.
4979         * omp-expand.c (expand_omp_ordered_sink): Likewise.
4980
4981         PR target/89602
4982         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
4983         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
4984         (avx512f_load<mode>_mask): New define_expand.
4985         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
4986         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
4987         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
4988         __builtin_ia32_movess_mask): New builtins.
4989         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
4990         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
4991         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
4992         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
4993
4994 2019-03-07  Martin Jambor  <mjambor@suse.cz>
4995
4996         PR lto/87525
4997         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
4998         for extern inline functions.
4999
5000 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5001
5002         PR ipa/88235
5003         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5004         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5005         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5006         have multiple callees.  At the end check if declarations match as
5007         opposed to cgraph_nodes.
5008
5009 2019-03-07  Martin Liska  <mliska@suse.cz>
5010
5011         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5012         which is equivalent to searching for this in clones chain.
5013         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5014         names with a neighbour and special case first node in a chain.
5015
5016 2019-01-25  Jason Merrill  <jason@redhat.com>
5017
5018         PR c++/80916 - spurious "static but not defined" warning.
5019         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5020         for an internal symbol with DECL_EXTERNAL.
5021
5022 2019-04-07  Richard Biener  <rguenther@suse.de>
5023
5024         PR middle-end/89618
5025         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5026         * tree-inline.c (copy_loops): Simplify.
5027
5028 2019-03-07  Martin Liska  <mliska@suse.cz>
5029
5030         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5031
5032 2019-03-07  Richard Biener  <rguenther@suse.de>
5033
5034         PR tree-optimization/89595
5035         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5036         stmt iterator as reference, take boolean output parameter to
5037         indicate whether the stmt was removed and thus the iterator
5038         already advanced.
5039         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5040         stmts created by folding.
5041
5042 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5043
5044         PR c++/89585
5045         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5046         at toplevel.
5047
5048 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5049
5050         PR rtl-optimization/88845
5051         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5052         LRA.
5053         * lra.c (remove_scratches_1): New function.
5054         (remove_scratches): Use it.
5055         (lra_emit_move): Likewise.
5056
5057 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5058
5059         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5060         unaligned_access variable.
5061         * config/arc/arc.c (arc_override_options): Set unaligned access
5062         default on for HS CPUs.
5063         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5064
5065 2019-03-06  Martin Liska  <mliska@suse.cz>
5066
5067         PR gcov-profile/89577
5068         * doc/gcov.texi: Prefer to use --coverage.
5069         * doc/sourcebuild.texi: Likewise.
5070
5071 2019-03-02  Jason Merrill  <jason@redhat.com>
5072
5073         PR c++/86485 - -Wmaybe-unused with empty class ?:
5074         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5075
5076 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5077
5078         PR target/89587
5079         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5080         if_multiarch.
5081
5082         PR middle-end/89590
5083         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5084         exactly one argument.
5085
5086 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5087             Richard Sandiford  <richard.sandiford@arm.com>
5088
5089         PR tree-optimization/89570
5090         * match.pd (vec_cond into cond_op simplification): Don't use
5091         get_conditional_internal_fn, use as_internal_fn (cond_op).
5092
5093 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5094
5095         PR target/89222
5096         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5097         to decide when to split off a non-zero offset from a symbol.
5098         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5099         in function symbols.
5100
5101 2019-03-05  Richard Biener  <rguenther@suse.de>
5102
5103         PR tree-optimization/89594
5104         * tree-if-conv.c (pass_if_conversion::execute): Handle
5105         case where .LOOP_VECTORIZED_FUNCTION was removed.
5106
5107 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR bootstrap/89560
5110         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5111         instead alloca it only when needed with the needed size.
5112
5113         PR tree-optimization/89570
5114         * match.pd (vec_cond into cond_op simplification): Guard with
5115         vectorized_internal_fn_supported_p test and #if GIMPLE.
5116
5117         PR tree-optimization/89566
5118         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5119         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5120         Punt if get_user_idx_format succeeds, but idx_format argument is
5121         not provided or doesn't have pointer type, or if idx_args is above
5122         number of provided arguments.
5123
5124 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5125
5126         PR tree-optimization/89437
5127         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5128
5129 2019-03-04  Richard Biener  <rguenther@suse.de>
5130
5131         PR middle-end/89572
5132         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5133         safe_dyn_cast.
5134
5135 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5136
5137         PR tree-optimization/89487
5138         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5139         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5140         (distribute_loop): Don't do runtime alias check if there is non-
5141         addressable data reference.
5142         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5143         is a register variable.
5144
5145 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5146
5147         PR target/89506
5148         * config/arm/arm.md (cmpsi2_addneg): Use
5149         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5150         If operands[2] is 0 or INT_MIN, force use of subs.
5151         (*compare_scc splitter): Use gen_int_mode.
5152         (*negscc): Likewise.
5153         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5154
5155 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5156             Monk Chiang  <sh.chiang04@gmail.com>
5157
5158         * common/config/riscv/riscv-common.c: Include sstream.
5159         (riscv_subset_list::to_string): New.
5160         (riscv_arch_str): Likewise.
5161         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5162         * config.in: Regen.
5163         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5164         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5165         (riscv_emit_attribute): New.
5166         (riscv_file_start): Emit attribute if needed.
5167         (riscv_option_override): Init riscv_emit_attribute_p.
5168         * config/riscv/riscv.opt (mriscv-attribute): New option.
5169         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5170         * configure: Regen.
5171         * doc/install.texi: Document --with-riscv-attribute.
5172         * doc/invoke.texi: Document -mriscv-attribute.
5173
5174         * common/config/riscv/riscv-common.c:
5175         Include config/riscv/riscv-protos.h.
5176         (INCLUDE_STRING): Defined.
5177         (RISCV_DONT_CARE_VERSION): Defined.
5178         (riscv_subset_t): Declare.
5179         (riscv_subset_t::riscv_subset_t): New.
5180         (riscv_subset_list): Declare.
5181         (riscv_subset_list::riscv_subset_list): New.
5182         (riscv_subset_list::~riscv_subset_list): Likewise.
5183         (riscv_subset_list::parsing_subset_version): Likewise.
5184         (riscv_subset_list::parse_std_ext): Likewise.
5185         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5186         (riscv_subset_list::add): Likewise.
5187         (riscv_subset_list::lookup): Likewise.
5188         (riscv_subset_list::xlen): Likewise.
5189         (riscv_subset_list::parse): Likewise.
5190         (riscv_supported_std_ext): Likewise.
5191         (current_subset_list): Likewise.
5192         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5193         parse.
5194
5195 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5196
5197         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5198         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5199         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5200
5201 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5202
5203         PR rtl-optimization/85899
5204         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5205         fallthru edges leading to the exit block.
5206
5207 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5208
5209         PR target/89517
5210         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5211         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5212
5213 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5214
5215         PR tree-optimization/89535
5216         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5217         for each operand.  Calculate the fallback choice for mask operands
5218         and pass it to vect_get_vec_def_for_operand.
5219
5220 2019-03-01  Richard Biener  <rguenther@suse.de>
5221
5222         PR middle-end/89541
5223         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5224         get virtual operands.
5225         (get_expr_operands): Handle CONST_DECL like other decls.
5226
5227 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5228
5229         PR middle-end/89503
5230         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5231         on DECL_P and EXPR_P.
5232
5233 2019-03-01  Richard Biener  <rguenther@suse.de>
5234
5235         PR middle-end/89497
5236         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5237         argument, defaulted to zero.
5238         * passes.c (execute_function_todo): Pass down SSA update flags
5239         to cleanup_tree_cfg.
5240         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5241         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5242         form if requested.
5243         (cleanup_tree_cfg): Get and pass down SSA update flags.
5244
5245 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5246
5247         PR bootstrap/89539
5248         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5249         early_lto_debug argument.
5250
5251 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5252
5253         PR tree-optimization/89536
5254         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5255         only whether bit #0 of the value is 0 instead of the entire value.
5256
5257 2019-02-28  Marek Polacek  <polacek@redhat.com>
5258
5259         PR c++/87068 - missing diagnostic with fallthrough statement.
5260         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5261         at the end of a seq, save its location to walk_stmt_info.
5262         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5263         a switch.
5264
5265 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5266
5267         PR lto/88585
5268         * tree.c (find_atomic_core_type): Move ahead in file.
5269         (check_base_type): Correctly compare alignments of atomic types.
5270
5271 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5272
5273         PR target/89455
5274         * config/i386/i386.c (get_builtin_code_for_version): Identify
5275         Westmere from PCLMUL, instead of AES.
5276
5277 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5278
5279         PR target/89434
5280         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5281         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5282         -UINTVAL (...).
5283
5284 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5285
5286         PR target/88530
5287         * config/aarch64/aarch64-option-extensions.def: Document it.
5288         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5289         if empty hwcaps.
5290
5291 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5292
5293         PR c/89520
5294         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5295         builtins if they don't have a single scalar floating point argument.
5296         Formatting fixes.
5297
5298 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5299
5300         PR rtl-optimization/89490
5301         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5302         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5303         block section is not mergeable.
5304
5305 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5306
5307         PR target/70341
5308         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5309         old define_insn to ...
5310         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5311         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5312         Rename old define_insn to ...
5313         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5314         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5315         define_insn to ...
5316         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5317         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5318         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5319
5320 2019-02-27  Richard Biener  <rguenther@suse.de>
5321
5322         PR debug/88878
5323         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5324
5325 2019-02-27  Richard Biener  <rguenther@suse.de>
5326
5327         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5328         building.
5329
5330 2019-02-27  Richard Biener  <rguenther@suse.de>
5331
5332         PR debug/88878
5333         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5334         parameter, prefix section name with .gnu.debuglto_ if true.
5335         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5336         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5337
5338 2019-02-27  Richard Biener  <rguenther@suse.de>
5339
5340         PR debug/89514
5341         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5342         rather than on use_debug_types, doing what output_die does.
5343         (value_format): Likewise.
5344
5345 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5346             Martin Sebor  <msebor@redhat.com>
5347
5348         * doc/invoke.texi (Warning Options): Reword description of
5349         -Wno-absolute-value.
5350
5351 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5352
5353         PR tree-optimization/89280
5354         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5355         builtin_setjmp_setup_bb): New functions.
5356         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5357         When visiting __builtin_setjmp_setup block, queue in special
5358         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5359         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5360         from visited after the loop if they don't have any visited successor
5361         blocks.
5362
5363 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5364
5365         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5366         New function.
5367         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5368
5369 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5370
5371         PR c++/89507
5372         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5373         with types other than sizetype/ssizetype.
5374
5375 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5376
5377         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5378         (enum sparc_processor_type): ...this.
5379         (enum sparc_code_model_type): New enumeration type.
5380         (enum sparc_memory_model_type): Tweak comments.
5381         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5382         (mtune): Likewise.
5383         (mcmodel): Use sparc_code_model enumeration and variable.
5384         (sparc_code_model): New enumeration.
5385         (mdebug): Add Undocumented marker.
5386         * config/sparc/sparc.h (enum cmodel): Delete.
5387         (sparc_cmodel): Likewise.
5388         (TARGET_CM_MEDLOW): Adjust to above renaming.
5389         (TARGET_CM_MEDMID): Likewise.
5390         (TARGET_CM_MEDANY): Likewise.
5391         (TARGET_CM_EMBMEDANY): Likewise.
5392         * config/sparc/sparc.c (sparc_cmodel): Delete.
5393         (sparc_option_override): Remove string/value mapping support for the
5394         code model.  Move code and memory model support to after the handling
5395         of target flags.  Do private machine setup last.
5396         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5397         (sparc_legitimize_reload_address): Likewise.
5398         (sparc_output_mi_thunk): Likewise.
5399         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5400
5401 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5402
5403         PR tree-optimization/89500
5404         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5405         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5406         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5407         cst if the first cst bytes starting at x are known to be non-zero,
5408         even if the string is not zero terminated.  Don't try to modify
5409         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5410         we can prove strnlen returns the same value as strlen would.
5411
5412 2019-02-26  Martin Liska  <mliska@suse.cz>
5413
5414         * alloc-pool.h (struct pool_usage): Remove extra
5415         print_dash_line.
5416         * bitmap.h (struct bitmap_usage): Likewise.
5417         * ggc-common.c (struct ggc_usage): Likewise.
5418         * mem-stats.h (struct mem_usage): Likewise.
5419         (mem_alloc_description::dump): Print dash lines
5420         here and repeat header at the end of a table report.
5421         It's then more readable.
5422         * tree-phinodes.c (phinodes_print_statistics): Make
5423         horizontal alignment.
5424         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5425         * vec.c (struct vec_usage): Remove extra print_dash_line.
5426         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5427
5428 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5429
5430         * doc/extend.texi (__builtin_object_size):
5431         Use @pxref instead of @xref inside parenthesis.
5432         (__builtin_has_attribute): Add missing comma after @xref.
5433         (__builtin_object_size): Ditto.
5434         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5435         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5436         in the list.
5437
5438 2019-02-26  Jeff Law  <law@redhat.com>
5439
5440         PR rtl-optimization/87761
5441         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5442         detect obviously dead insns and delete them.
5443
5444 2019-02-26  Richard Biener  <rguenther@suse.de>
5445
5446         PR tree-optimization/89505
5447         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5448         to handle restrict pointed-to vars with multiple subvars
5449         correctly.
5450
5451 2019-02-26  Richard Biener  <rguenther@suse.de>
5452
5453         PR tree-optimization/89489
5454         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5455
5456 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5457
5458         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5459         and move around comment.
5460         <BIT_AND_EXPR>: Likewise.
5461         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5462
5463 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5464
5465         PR target/89474
5466         * config/i386/i386.c (remove_partial_avx_dependency): Call
5467         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5468         after changing possibly many instructions to use that pseudo.  Fix up
5469         insertion of v4sf_const0 setter at the start of bb.
5470
5471 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5472
5473         PR c/80409
5474         * doc/extend.texi (Variadic Pointer Args): New section.
5475
5476 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5477             Martin Sebor  <msebor@gmail.com>
5478
5479         * common.opt (Wattribute-alias): Likewise.
5480         * doc/invoke.texi (Option Summary): List general form of
5481         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5482         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5483         Add cross-references.
5484         (-Wattribute-alias): Rewrite and correct default.  Mention
5485         considered attributes (same as for -Wmissing-attributes).
5486
5487 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5488
5489         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5490         (_mm_cvtpd_ps): Likewise.
5491         (_mm_cvttpd_epi32): Likewise.
5492
5493         PR target/89338
5494         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5495         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5496
5497         PR target/89339
5498         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5499
5500 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5501
5502         PR target/88530
5503         * common/config/aarch64/aarch64-common.c
5504         (struct aarch64_option_extension): Add is_synthetic.
5505         (all_extensions): Use it.
5506         (TARGET_OPTION_INIT_STRUCT): Define hook.
5507         (struct gcc_targetm_common): Moved to end.
5508         (all_extensions_by_on): New.
5509         (opt_ext_cmp, typedef opt_ext): New.
5510         (aarch64_option_init_struct): New.
5511         (aarch64_contains_opt): New.
5512         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5513         * config/aarch64/aarch64-option-extensions.def
5514         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5515         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5516         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5517         Set is_synthetic to false.
5518         (crypto): Set is_synthetic to true.
5519         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5520         SYNTHETIC.
5521
5522 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5523
5524         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5525         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5526         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5527         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5528         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5529         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5530         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5531         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5532         Rename ...
5533         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5534         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5535         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5536         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5537         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5538         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5539         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5540         vfmlsl_laneq_high_f16): ... To this.
5541         * config/arm/neon.md: Update comments.
5542
5543 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5544
5545         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5546         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5547         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5548         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5549         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5550         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5551         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5552         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5553         Rename ...
5554         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5555         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5556         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5557         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5558         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5559         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5560         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5561         vfmlslq_laneq_high_f16): ... To this.
5562
5563 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5564
5565         PR rtl-optimization/86096
5566         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5567         comparing mw_order values.
5568
5569 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5570
5571         PR target/89434
5572         * config/arm/arm.md (*subsi3_carryin_const): Use
5573         arm_neg_immediate_operand predicate instead of
5574         arm_not_immediate_operand, "L" constraint instead of "K" and
5575         print it using %n2 instead of %B2.
5576         (*subsi3_carryin_const0): New define_insn.
5577         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5578         instead of arm_not_operand and "I" constraint instead of "K" and
5579         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5580         another match_operand and in the condition check that it is negation
5581         of operands[2].
5582         (*subsi3_carryin_compare_const0): New define_ins.
5583         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5584         *subsi3_carryin_const.
5585         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5586         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5587
5588         PR target/89438
5589         * config/arm.vfp.md (*negdf2_vfp): Use
5590         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5591         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5592
5593 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5594
5595         PR rtl-optimization/89445
5596         * simplify-rtx.c (simplify_ternary_operation): Don't use
5597         simplify_merge_mask on operands that may trap.
5598         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5599         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5600         second operand is CONST_VECTOR, check if any element could be zero.
5601         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5602         their operands can trap.
5603
5604 2019-02-23  Martin Sebor  <msebor@redhat.com>
5605
5606         * gimple-ssa-sprintf.c (target_strtol): Rename...
5607         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5608         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5609         check for range error.
5610
5611 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5612
5613         PR driver/69471
5614         * opts-common.c (prune_options): Also prune joined switches
5615         with Negative and RejectNegative.
5616         * config/i386/i386.opt (march=): Add Negative(march=).
5617         (mtune=): Add Negative(mtune=).
5618         * doc/options.texi: Document Negative used together with Joined
5619         and RejectNegative.
5620
5621 2019-02-22  Martin Sebor  <msebor@redhat.com>
5622
5623         * doc/extend.texi (Other Builtins): Add
5624         __builtin_is_constant_evaluated.
5625
5626 2019-02-22  Richard Biener  <rguenther@suse.de>
5627
5628         PR tree-optimization/87609
5629         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5630
5631 2019-02-22  Jeff Law  <law@redhat.com>
5632
5633         PR rtl-optimization/87761
5634         * config/mips/mips.md: Add new combiner pattern to recognize
5635         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5636
5637 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5638
5639         PR target/89324
5640         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5641         destination register in peepholes generating patterns for ADDS/SUBS.
5642         (add<mode>3_compare0,
5643         *addsi3_compare0_uxtw, add<mode>3_compareC,
5644         add<mode>3_compareV_imm, add<mode>3_compareV,
5645         *adds_<optab><ALLX:mode>_<GPI:mode>,
5646         *subs_<optab><ALLX:mode>_<GPI:mode>,
5647         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5648         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5649         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5650         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5651         sub<mode>3_compare1): Allow stack pointer for source register.
5652         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5653
5654 2019-02-22  Martin Sebor  <msebor@redhat.com>
5655
5656         PR tree-optimization/88993
5657         PR tree-optimization/88853
5658         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5659         New helper.
5660         (sprintf_dom_walker::call_info::is_string_func): New helper.
5661         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5662         for formatted string functions.
5663         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5664
5665 2019-02-22  Martin Sebor  <msebor@redhat.com>
5666
5667         PR c/89425
5668         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5669         unreachable subexpressions.
5670
5671 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5672             Hongtao Liu  <hongtao.liu@intel.com>
5673             Sunil K Pandey  <sunil.k.pandey@intel.com>
5674
5675         PR target/87007
5676         * config/i386/i386-passes.def: Add
5677         pass_remove_partial_avx_dependency.
5678         * config/i386/i386-protos.h
5679         (make_pass_remove_partial_avx_dependency): New.
5680         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5681         New function.
5682         (pass_data_remove_partial_avx_dependency): New.
5683         (pass_remove_partial_avx_dependency): Likewise.
5684         (make_pass_remove_partial_avx_dependency): Likewise.
5685         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5686         (*extendsfdf2): Add avx_partial_xmm_update.
5687         (truncdfsf2): Likewise.
5688         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5689         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5690
5691 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5692
5693         PR middle-end/85598
5694         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5695         analysis for pass.
5696
5697 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5698
5699         PR target/89444
5700         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5701         (PTA_SKYLAKE): Add PTA_AES.
5702         (PTA_GOLDMONT): Likewise.
5703
5704 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5705
5706         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5707         instruction if enabled.
5708         (aarch64_override_options): Remove reference to return address key.
5709
5710 2019-02-22  Richard Biener  <rguenther@suse.de>
5711
5712         PR tree-optimization/89440
5713         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5714         not necessary assert.
5715
5716 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5717
5718         PR fortran/72741
5719         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5720         (oacc_replace_fn_attrib_attr): ... this new function.
5721         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5722         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5723
5724 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5725
5726         * config/arm/arm-cpus.in (ares): Rename to...
5727         (neoverse-n1): ... This.  Add ares as alias.
5728         * config/arm/arm-tables.opt: Regenerate.
5729         * config/arm/arm-tune.md: Likewise.
5730         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5731
5732 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5733
5734         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5735         * config/aarch64/aarch64-tune.md: Regenerate.
5736         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5737
5738 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5739
5740         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5741         (neoversen1_tunings): ... This.
5742         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5743         (neoverse-n1): New CPU.
5744         * config/aarch64/aarch64-tune.md: Regenerate.
5745         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5746
5747 2019-02-22  Richard Biener  <rguenther@suse.de>
5748
5749         PR middle-end/87609
5750         * cfghooks.h (dependence_hash): New typedef.
5751         (struct copy_bb_data): New type.
5752         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5753         (duplicate_block): Likewise.
5754         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5755         (copy_bbs): Create and pass down copy_bb_data.
5756         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5757         (rtl_duplicate_bb): Likewise.
5758         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5759         remap dependence info.
5760
5761 2019-02-22  Richard Biener  <rguenther@suse.de>
5762
5763         PR tree-optimization/87609
5764         * tree-core.h (tree_base): Document special clique values.
5765         * tree-inline.c (remap_dependence_clique): Do not use the
5766         special clique value of one.
5767         (maybe_set_dependence_info): Use clique one.
5768         (clear_dependence_clique): New callback.
5769         (compute_dependence_clique): Clear clique one from all refs
5770         before assigning it (again).
5771
5772 2019-02-21  Martin Sebor  <msebor@redhat.com>
5773
5774         * doc/extend.texi (__clear_cache): Correct signature.
5775
5776 2019-02-21  Ian Lance Taylor  <iant@golang.org>
5777
5778         PR go/89170
5779         * varasm.c (decode_addr_const): Call lookup_constant_def rather
5780         than output_constant_def.
5781         (add_constant_to_table): New static function.
5782         (output_constant_def): Call add_constant_to_table.
5783         (tree_output_constant_def): Likewise.
5784
5785 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5786
5787         PR c++/89285
5788         * builtins.c (fold_builtin_arith_overflow): If first two args are
5789         INTEGER_CSTs, set intres and ovfres to constants rather than calls
5790         to ifn.
5791
5792 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5793
5794         PR target/87412
5795         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
5796         error for -mindirect-branch/-mfunction-return with incompatible
5797         -fcf-protection.
5798
5799 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
5800
5801         PR bootstrap/88714
5802         * constraints.md (q): Remove.
5803         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
5804         instead of q.
5805
5806 2019-02-21  Martin Jambor  <mjambor@suse.cz>
5807
5808         PR hsa/89302
5809         * omp-general.c (omp_extract_for_data): Removed a duplicate call
5810         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
5811         (omp_adjust_for_condition): ...here.  Added necessary parameters.
5812         * omp-general.h (omp_adjust_for_condition): Updated declaration.
5813         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
5814         proper values to new parameters of omp_adjust_for_condition.
5815
5816 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5817
5818         PR middle-end/89412
5819         * expr.c (expand_assignment): If result is a MEM, use change_address
5820         instead of simplify_gen_subreg.
5821
5822 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5823             David Malcolm  <dmalcolm@redhat.com>
5824
5825         PR middle-end/89091
5826         * fold-const.c (decode_field_reference): Return NULL_TREE if
5827         lang_hooks.types.type_for_size returns NULL.  Check it before
5828         overwriting *exp_.  Use return NULL_TREE instead of return 0.
5829
5830 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
5831
5832         PR middle-end/88074
5833         PR middle-end/89415
5834         * toplev.c (do_compile): Double the emin/emax exponents to workaround
5835         buggy mpc_norm.
5836
5837 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
5838
5839         PR target/89397
5840         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
5841         TARGET_SSE in addition to TARGET_SSE_MATH.
5842
5843         (ix86_excess_precision): Ditto.
5844         (ix86_float_exceptions_rounding_supported_p): Ditto.
5845         (use_rsqrt_p): Ditto.
5846         * config/i386/sse.md (rsqrt<mode>2): Ditto.
5847
5848 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
5849
5850         PR c/89410
5851         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
5852         linenum_arith_t when determining if two adjacent line spans are
5853         close enough to merge.
5854         (diagnostic_show_locus): Use linenum_arith_t when iterating over
5855         lines within each line_span.
5856
5857 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
5858
5859         PR target/86487
5860         * lra-constraints.c(uses_hard_regs_p): Fix handling of
5861         paradoxical SUBREGS.
5862
5863 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
5864
5865         PR target/88100
5866         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
5867         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
5868         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
5869         range checking it.
5870
5871 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
5872
5873         * config/gcn/gcn.c (print_operand): Fix typo.
5874
5875 2019-02-19  Richard Biener  <rguenther@suse.de>
5876
5877         PR middle-end/88074
5878         * toplev.c (do_compile): Initialize mpfr's exponent range
5879         based on available float modes.
5880
5881 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5882
5883         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
5884         as long as the epilogue isn't completed.
5885
5886 2019-02-18  Martin Sebor  <msebor@redhat.com>
5887
5888         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
5889         __has_cpp_attribute, and __has_include.
5890
5891 2019-02-18  Martin Sebor  <msebor@redhat.com>
5892
5893         * doc/invoke.texi (-Wreturn-type): Correct and expand.
5894
5895 2019-02-18  Martin Sebor  <msebor@redhat.com>
5896
5897         PR middle-end/89294
5898         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
5899         expression.
5900         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
5901
5902 2019-02-18  Richard Biener  <rguenther@suse.de>
5903
5904         PR tree-optimization/89296
5905         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
5906         of no-warning flag to cases that might emit the bogus warning.
5907
5908 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
5909
5910         PR bootstrap/88714
5911         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
5912         "q" constraint.
5913         * config/arm/vfp.md (*movdi_vfp): Likewise.
5914         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
5915         "q" constraint for operands[0].
5916
5917         PR target/89369
5918         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
5919         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
5920         pattern in a temporary buffer.
5921         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
5922         than 64-operands[2].
5923
5924         PR target/89361
5925         * config/s390/s390.c (s390_indirect_branch_attrvalue,
5926         s390_indirect_branch_settings): Define unconditionally.
5927         (s390_set_current_function): Likewise, but guard the whole body except
5928         the s390_indirect_branch_settings call with
5929         #if S390_USE_TARGET_ATTRIBUTE.
5930         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
5931
5932         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
5933         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
5934         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
5935         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
5936         HOST_WIDE_INT_1U instead of 1ULL.
5937         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
5938         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
5939         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
5940         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
5941         instead of 1UL.
5942         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
5943         instead of 1ul.
5944
5945 2019-02-18  Martin Jambor  <mjambor@suse.cz>
5946
5947         PR tree-optimization/89209
5948         * tree-sra.c (create_access_replacement): New optional parameter
5949         reg_tree.  Use it as a type if non-NULL and access type is not of
5950         a register type.
5951         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
5952         to create_access_replacement.
5953         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
5954         Check lacc is non-NULL before attempting to re-create it on the RHS.
5955
5956 2019-02-18  Martin Liska  <mliska@suse.cz>
5957
5958         PR ipa/89306
5959         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
5960         by default.
5961         (symbol_table::free_edge): Recycle m_summary_id.
5962         * cgraph.h (get_summary_id): New.
5963         (symbol_table::release_symbol): Set m_summary_id to -1
5964         by default.
5965         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
5966         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
5967         function_summary to fast_function_summary.
5968         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
5969         * ipa-pure-const.c (class funct_state_summary_t):
5970         Switch from function_summary to fast_function_summary.
5971         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
5972         (class ipa_ref_opt_summary_t): Switch from function_summary
5973         to fast_function_summary.
5974         * symbol-summary.h (class function_summary_base): New class
5975         that is created from base of former function_summary.
5976         (function_summary_base::unregister_hooks): New.
5977         (class function_summary): Inherit from function_summary_base.
5978         (class call_summary_base): New class
5979         that is created from base of former call_summary.
5980         (class call_summary): Inherit from call_summary_base.
5981         (struct is_same): New.
5982         (class fast_function_summary): New summary class.
5983         (class fast_call_summary): New summary class.
5984         * vec.h (vec_safe_grow_cleared): New function.
5985
5986 2019-02-18  Martin Liska  <mliska@suse.cz>
5987
5988         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
5989         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
5990         * doc/tm.texi: Document new target hook.
5991         * doc/tm.texi.in: Likewise.
5992         * target.def: Add new target macro.
5993         * gcc.c (find_fortran_preinclude_file): Do not search multilib
5994         suffixes.
5995
5996 2019-02-17  Alan Modra  <amodra@gmail.com>
5997
5998         PR target/89271
5999         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6000         output reg on add insn.
6001         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6002
6003 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6004
6005         PR target/89372
6006         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6007         (PMULHRSW): Likewise.
6008         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6009         TARGET_AVX2.
6010         (ssse3_pmulhrswv4hi3): New expander.
6011
6012 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6013
6014         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6015         MMX.  Add isa attribute.
6016
6017 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6018
6019         PR rtl-optimization/66152
6020         * builtins.h (c_readstr): Declare.
6021         * builtins.c (c_readstr): Remove forward declaration.  Add
6022         null_terminated_p argument, if false, read all bytes from the
6023         string instead of stopping after '\0'.
6024         * expr.c (string_cst_read_str): New function.
6025         (store_expr): Use string_cst_read_str instead of
6026         builtin_strncpy_read_str.  Try to store by pieces the whole
6027         exp_len first, and only if that fails, split it up into
6028         store by pieces followed by clear_storage.  Formatting fix.
6029
6030         * config/i386/i386.md (*movqi_internal): Remove static from
6031         buf variable.  Use output_asm_insn (buf, operands); return "";
6032         instead of return buf;.
6033         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6034         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6035         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6036
6037 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6038
6039         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6040         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6041         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6042         (CC1_SPEC): Likewise.
6043         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6044
6045 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6046
6047         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6048         the base address on 64-bit strict-alignment platforms.
6049
6050 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6051
6052         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6053
6054 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6055
6056         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6057
6058 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6059
6060         PR rtl-optimization/88308
6061         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6062         on copied instruction.
6063
6064 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6065
6066         * final.c (insn_current_reference_address): Replace test on JUMP_P
6067         with test on jump_to_label_p.
6068         * config/visium/visium-passes.def: New file.
6069         * config/visium/t-visium (PASSES_EXTRA): Define.
6070         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6071         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6072         (TRAMPOLINE_ALIGNMENT): Define.
6073         * config/visium/visium.c (visium_option_override): Do not register
6074         the machine-specific reorg pass here.
6075         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6076         for the GR6.
6077         (output_branch): Adjust threshold for long branch instruction.
6078         * config/visium/visium.md (cpu): Move around.
6079         (length): Adjust for the GR6.
6080
6081 2019-02-15  Richard Biener  <rguenther@suse.de>
6082             Jakub Jelinek  <jakub@redhat.com>
6083
6084         PR tree-optimization/89278
6085         * tree-loop-distribution.c: Include tree-eh.h.
6086         (generate_memset_builtin, generate_memcpy_builtin): Call
6087         rewrite_to_non_trapping_overflow on builtin->size before passing it
6088         to force_gimple_operand_gsi.
6089
6090 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6091
6092         PR other/89342
6093         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6094         optimize_debug.
6095         * opth-gen.awk: Likewise.
6096
6097 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6098
6099         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6100         Enable MMX, SSE and SSE2 by default.
6101         * config/i386/i386.c (ix86_option_override_internal): Do not
6102         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6103
6104 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6105
6106         PR rtl-optimization/89354
6107         * combine.c (make_extraction): Punt if extraction_mode is narrower
6108         than len bits.
6109
6110 2019-02-14  Maya Rashish  <coypu@sdf.org>
6111
6112         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6113         * config/netbsd-d.c: New file.
6114         * config/t-netbsd: Add netbsd-d.o
6115
6116 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6117
6118         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6119         affects_type_identity to true for aarch64_vector_pcs.
6120         (aarch64_comp_type_attributes): New function.
6121         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6122
6123 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6124
6125         PR target/88850
6126         * config/arm/iterators.md (ANY64): Add V4HF.
6127
6128 2019-02-14  Martin Liska  <mliska@suse.cz>
6129
6130         PR rtl-optimization/89242
6131         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6132         process a transformation.
6133
6134 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6135
6136         PR tree-optimization/89314
6137         * fold-const.c (fold_binary_loc): Cast strlen argument to
6138         const char * before dereferencing it.  Formatting fixes.
6139
6140         PR middle-end/89284
6141         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6142
6143 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6144
6145         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6146         and set current index for other optimizations.
6147
6148 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6149
6150         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6151         nonimmediate_operand as operand 2 predicate.
6152         (vec_set<VF2_512_256:mode>_0): Ditto.
6153         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6154         (*vec_concatv2si): Remove alternative 2.
6155         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6156         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6157         (vec_concatv2di): Split alternatives 4,5,6 to ...
6158         (*vec_concatv2di_0) ... new pattern.
6159
6160 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6161
6162         PR target/89190
6163         * config/arm/arm.c (ldm_stm_operation_p) Set
6164         addr_reg_in_reglist correctly for first register.
6165         (load_multiple_sequence): Remove dead base check.
6166         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6167
6168 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6169
6170         PR target/88847
6171         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6172         Expose as @aarch64_pred_mov.
6173         * config/aarch64/aarch64.c (aarch64_classify_address):
6174         Use expand_insn which legitimizes operands.
6175
6176 2019-02-13  Martin Liska  <mliska@suse.cz>
6177
6178         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6179         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6180         and pointer_offset fields.
6181         (initialize_argument_information): Remove usage of dead
6182         fields.
6183         * cgraph.h (struct cgraph_thunk_info): Remove
6184         add_pointer_bounds_args.
6185         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6186         fields.
6187         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6188         fields.
6189         * config/i386/i386.c (ix86_function_arg_advance): Remove
6190         unrelated comment.
6191         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6192         (def_builtin):  Remove usage of dead
6193         fields.
6194         (ix86_add_new_builtins): Likewise.
6195         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6196         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6197         (sem_function::init): Likewise.
6198         (sem_variable::merge): Likewise.
6199         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6200         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6201         * lto-cgraph.c (lto_output_node): Likewise.
6202         (lto_output_varpool_node): Likewise.
6203         (input_node): Likewise.
6204         (input_varpool_node): Likewise.
6205         * lto-streamer-out.c (lto_output): Likewise.
6206         * tree-inline.c (expand_call_inline): Remove usage of
6207         assign_stmts.
6208         * tree-inline.h (struct copy_body_data): Likewise.
6209         * varpool.c (varpool_node::dump): Likewise.
6210
6211 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6212
6213         PR middle-end/89303
6214         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6215         into pt->vars_contains_escaped_heap instead of setting
6216         pt->vars_contains_escaped_heap to it.
6217
6218         PR middle-end/89281
6219         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6220         INTVAL (size), compare it to GET_MODE_MASK instead of
6221         1 << GET_MODE_BITSIZE.
6222
6223         PR target/89290
6224         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6225         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6226         -mcmodel=large.
6227
6228 2019-02-13  Martin Liska  <mliska@suse.cz>
6229
6230         PR lto/88858
6231         * cfgrtl.c (remove_barriers_from_footer): New function.
6232         (try_redirect_by_replacing_jump): Use it.
6233         (cfg_layout_redirect_edge_and_branch): Likewise.
6234
6235 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6236
6237         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6238         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6239         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6240         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6241         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6242         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6243         New BU_CRYPTO_2.
6244         * config/rs6000/rs6000.c (builtin_function_type)
6245         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6246         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6247         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6248         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6249         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6250
6251 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6252
6253         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6254         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6255
6256 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6257
6258         PR target/89229
6259         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6260         268678 and revision 268657.
6261         (*movti_internal): Likewise.
6262
6263 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6264
6265         PR target/89233
6266         * config/s390/s390.c (s390_decompose_address): Update comment.
6267         (s390_check_qrst_address): Reject invalid address forms after
6268         LRA.
6269
6270 2019-02-12  Martin Liska  <mliska@suse.cz>
6271
6272         PR lto/88876
6273         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6274         we need default values of funct_state for a function that
6275         is not optimized.
6276
6277 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6278
6279         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6280         the object to pick the size of stores on strict-alignment platforms.
6281
6282         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6283         (*movdi_insn_sp32): Likewise.
6284         (*movdi_insn_sp64): Likewise.
6285
6286 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6287
6288         PR lto/88677
6289         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6290         types that needs constructiong.
6291         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6292
6293 2019-02-12  Richard Biener  <rguenther@suse.de>
6294
6295         PR tree-optimization/89253
6296         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6297         duplicate the loop.
6298
6299 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6300
6301         PR lto/88147
6302         * input.c (selftest::test_line_offset_overflow): New selftest.
6303         (selftest::input_c_tests): Call it.
6304
6305 2019-02-11  Martin Sebor  <msebor@redhat.com>
6306
6307         PR tree-optimization/88771
6308         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6309         when -Wstringop-overflow is set.
6310         (builtin_memref::builtin_memref): Adjust excessive upper bound
6311         only when lower bound is not excessive.
6312         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6313         -Wstringop-ovefflow.
6314         (maybe_diag_offset_bounds): Rename...
6315         (maybe_diag_access_bounds): ...to this.
6316         (check_bounds_or_overlap): Adjust for name change above.
6317
6318 2019-02-11  Martin Sebor  <msebor@redhat.com>
6319
6320         PR c++/87996
6321         * builtins.c (max_object_size): Move from here...
6322         * builtins.h (max_object_size): ...and here...
6323         * tree.c (max_object_size): ...to here...
6324         * tree.h (max_object_size): ...and here.
6325
6326 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6327
6328         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6329         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6330         for correct semantics.
6331
6332 2019-02-11  Alan Modra  <amodra@gmail.com>
6333
6334         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6335         -mlongcall and -mpltseq.
6336         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6337         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6338         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6339         * config/rs6000/sysv4.opt (mpltseq): New option.
6340         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6341         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6342         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6343         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6344         -mpltseq given for ELFv1.
6345         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6346         Only use UNSPEC_PLTSEQ for inline PLT calls.
6347         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6348         use UNSPEC_PLTSEQ for inline PLT calls.
6349         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6350         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6351         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6352         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6353         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6354         (pltseq_mtctr_<mode>): Likewise.
6355
6356 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6357
6358         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6359         Solaris ld.
6360         * configure: Regenerate.
6361
6362 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6363
6364         PR bootstrap/88714
6365         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6366         instead of r.
6367
6368 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6369
6370         * function.c (assign_parm_setup_block): Use the stored
6371         size, not the passed size, when allocating stack-space,
6372         also for a parameter with alignment larger than
6373         MAX_SUPPORTED_STACK_ALIGNMENT.
6374
6375 2019-02-11  Martin Liska  <mliska@suse.cz>
6376
6377         PR ipa/89009
6378         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6379         * ipa-inline.c (inline_small_functions): Likewise.
6380         * ipa-pure-const.c (propagate_pure_const): Likewise.
6381         (propagate_nothrow): Likewise.
6382         * ipa-reference.c (propagate): Likewise.
6383         * ipa-utils.c (struct searchc_env): Remove unused field.
6384         (searchc): Always search across AVAIL_INTERPOSABLE.
6385         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6386         the only called IPA pure const can properly not propagate
6387         across interposable boundary.
6388         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6389
6390 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6391
6392         * config/nds32/nds32.md (call_internal, call_value_internal,
6393         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6394
6395 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6396
6397         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6398         typo.
6399
6400 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6401
6402         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6403         in comments
6404
6405 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6406
6407         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6408
6409 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6410
6411         PR tree-optimization/89268
6412         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6413         if preds is non-NULL.
6414
6415 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6416
6417         PR lto/89272
6418         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6419         polymorphic types.
6420
6421 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6422
6423         * config/nds32/nds32.md (trap): New pattern.
6424
6425 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6426
6427         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6428         dwarf span.
6429
6430 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6431
6432         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6433         to split POST_INC.
6434
6435 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6436
6437         * ipa-visibility.c (localize_node): Also do not localize
6438         LDPR_PREVAILING_DEF_IRONLY_EXP.
6439
6440 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6441
6442         PR lto/87957
6443         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6444         instead of type_with_linkage.
6445
6446 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6447
6448         PR ipa/88755
6449         * params.def (uninlined-function-insns, uninlined-function-time,
6450         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6451         bound so we don't get overflows.
6452
6453 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6454
6455         * config/rs6000/rs6000-string.c (expand_compare_loop,
6456         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6457         memcmp/strncmp.
6458
6459 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6460
6461         PR middle-end/89246
6462         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6463         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6464         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6465
6466 2019-02-09  Alan Modra  <amodra@gmail.com>
6467
6468         PR target/88343
6469         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6470         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6471         setup.
6472
6473 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6474
6475         PR middle-end/88560
6476         * lra-constraints.c (process_alt_operands): Don't increase reject
6477         for memory when offset memory is required.
6478
6479 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6480
6481         * config/s390/vector.md: Implement vector copysign.
6482
6483 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6484
6485         * expr.c (expand_constructor): Correct indentations.
6486
6487 2019-02-08  Richard Biener  <rguenther@suse.de>
6488
6489         PR tree-optimization/89247
6490         * tree-if-conv.c: Include tree-cfgcleanup.h.
6491         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6492         (tree_if_conversion): Pass through predicate vector.
6493         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6494         inline, see if any if-converted loops we refrece in
6495         LOOP_VECTORIZED calls vanished and fixup.
6496         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6497
6498 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6499
6500         * config/s390/constraints.md (jdd): New constraint.
6501
6502 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6503
6504         PR target/89229
6505         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6506         upper 16 vector registers without TARGET_AVX512VL.
6507         (*movti_internal): Likewise.
6508
6509 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6510
6511         PR rtl-optimization/89234
6512         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6513         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6514         (copy_reg_eh_region_note_backward): Likewise.
6515
6516 2019-02-08  Richard Biener  <rguenther@suse.de>
6517
6518         PR middle-end/89223
6519         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6520         doesn't fit in HWI.
6521         (analyze_subscript_affine_affine): Handle failure from
6522         initialize_matrix_A.
6523
6524 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6525
6526         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6527         cfun everywhere.
6528
6529 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6530
6531         PR tree-optimization/86637
6532         PR tree-optimization/89235
6533         * tree-vect-loop.c (optimize_mask_stores): Add an
6534         auto_purge_vect_location sentinel to ensure that vect_location is
6535         purged on exit.
6536         * tree-vectorizer.c
6537         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6538         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6539         to ensure that vect_location is purged on exit.
6540         (pass_slp_vectorize::execute): Likewise, replacing the manual
6541         reset.
6542         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6543
6544 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6545
6546         * config/aarch64/iterators.md (max_opp): New code_attr.
6547         (USMAX): New code iterator.
6548         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6549         (aarch64_smax): Likewise.
6550         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6551         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6552         MINUS (MAX MIN).
6553
6554 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6555
6556         PR target/89229
6557         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6558         for TARGET_AVX512VL.
6559         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6560
6561 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6562
6563         * config/s390/s390-builtin-types.def: Add new types.
6564         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6565         (s390_vec_xlw4): Make the memory operand into a const pointer.
6566         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6567         float.
6568         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6569         a new vector type with the alignment of the scalar memory operand.
6570
6571 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6572             Jakub Jelinek  <jakub@redhat.com>
6573
6574         PR bootstrap/88714
6575         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6576         arm_count_ldrdstrd_insns): New declarations.
6577         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6578         MINUS.
6579         (valid_operands_ldrd_strd): New function.
6580         (arm_count_ldrdstrd_insns): New function.
6581         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6582         sets instead of single DImode set and define new insns to match this.
6583
6584 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6585
6586         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6587         Make it a C initializer.
6588
6589 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6590
6591         PR/target 88850
6592         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6593
6594 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6595
6596         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6597         Use neon_dot<q> for type.
6598         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6599
6600 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6601
6602         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6603         Use neon_dot<q> for type.
6604         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6605         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6606
6607 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6608
6609         PR rtl-optimization/89225
6610         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6611         sizes check.
6612
6613 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6614
6615         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6616         after restoring registers saved to allocate the frame on Windows.
6617
6618 2019-02-06  Richard Biener  <rguenther@suse.de>
6619
6620         PR tree-optimization/89182
6621         * graphite.h (cached_scalar_evolution_in_region): Declare.
6622         * graphite.c (struct seir_cache_key): New.
6623         (struct sese_scev_hash): Likewise.
6624         (seir_cache): New global.
6625         (cached_scalar_evolution_in_region): New function.
6626         (graphite_transform_loops): Allocate and release seir_cache.
6627         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6628         cached_scalar_evolution_in_region.
6629         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6630         Simplify.
6631         (scop_detection::graphite_can_represent_expr: Use
6632         cached_scalar_evolution_in_region.
6633         (scop_detection::stmt_simple_for_scop_p): Likewise.
6634         (find_params_in_bb): Likewise.
6635         (gather_bbs::before_dom_children): Likewise.
6636         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6637         (add_loop_constraints): Likewise.
6638
6639 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6640
6641         PR middle-end/89210
6642         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6643         operand to new_unary_operation only if both element types are integral
6644         and it isn't a widening conversion.  Return NULL_TREE if
6645         new_unary_operation failed.
6646
6647 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6648
6649         PR target/88856
6650         * config/s390/s390.md: Remove load and test FP splitter.
6651
6652 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6653
6654         PR target/89112
6655         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6656         expand_compare_loop, expand_block_compare_gpr,
6657         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6658         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6659         #include "profile-count.h" and "predict.h" for types and functions
6660         needed to work with REG_BR_PROB notes.
6661
6662 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6663
6664         PR target/89112
6665         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6666         for the long branch case.
6667
6668 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6669
6670         PR target/89188
6671         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6672         can throw, non-call exceptions are enabled and we can't delete
6673         dead exceptions or alter cfg.  Set must_clean if
6674         delete_insn_and_edges returns true, don't set it blindly for calls.
6675         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6676
6677         PR rtl-optimization/89195
6678         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6679         of the original MEM.
6680
6681 2019-02-05  Martin Liska  <mliska@suse.cz>
6682
6683         PR gcov-profile/89000
6684         * gcov.c (function_summary): Remove argument.
6685         (file_summary): New function.
6686         (print_usage): Replace tabs with spaces.
6687         (generate_results): Use new function file_summary.
6688
6689 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6690
6691         PR target/89186
6692         * optabs.c (prepare_cmp_insn): Pass x and y to
6693         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6694
6695 2019-02-05  Richard Biener  <rguenther@suse.de>
6696
6697         PR middle-end/89150
6698         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6699         (struct bitmap_element): Drop chain_prev so we properly recurse on
6700         the prev member, supporting tree views.
6701         (struct bitmap_head): GTY skip the obstack member.
6702
6703 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6704
6705         PR c/88698
6706         * doc/extend.texi (Vector Extensions): Add an example of using vector
6707         types together with x86 intrinsics.
6708
6709 2019-02-04  Alan Modra  <amodra@gmail.com>
6710
6711         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6712         str[] size to 160, and comment.
6713
6714 2019-02-04  Alan Modra  <amodra@gmail.com>
6715
6716         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6717         (rs6000_pltseq_template): Guard output of TLS markers with
6718         TARGET_TLS_MARKERS.
6719         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6720         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6721         to use inline PLT sequences.
6722         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6723         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6724         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6725
6726 2019-02-04  Martin Liska  <mliska@suse.cz>
6727
6728         PR ipa/88985
6729         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6730         out when ipa_fn_summaries does not contain entry for callee.
6731
6732 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6733
6734         * config/sparc/sparc.h: Remove superfluous blank lines.
6735         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6736         (got_register_rtx): ...this.
6737         (sparc_got): Adjust to above renaming.
6738         (sparc_tls_got): Likewise.
6739         (sparc_delegitimize_address): Likewise.
6740         (sparc_output_mi_thunk): Likewise.
6741         (sparc_init_pic_reg): Likewise.
6742         (save_local_or_in_reg_p): Fix test on the GOT register.
6743         (USE_HIDDEN_LINKONCE): Move around.
6744         (get_pc_thunk_name): Likewise.
6745         (gen_load_pcrel_sym): Likewise.
6746         (load_got_register): Likewise.
6747
6748 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6749
6750         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6751         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6752
6753 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6754
6755         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6756         into consideration.
6757
6758 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6759
6760         * config.gcc (with_nds32_lib, glibc):
6761         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6762         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
6763         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
6764
6765 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
6766
6767         PR target/89071
6768         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
6769         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
6770         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
6771         (*rcpsf2_sse): Ditto.
6772         (*rsqrtsf2_sse): Ditto.
6773         (sse4_1_round<mode<2): Ditto.
6774
6775 2019-02-03  Richard Biener  <rguenther@suse.de>
6776
6777         PR debug/87295
6778         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
6779         orig.
6780
6781 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
6782
6783         PR middle-end/87887
6784         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6785         Punt with warning on aggregate return or argument types.  Ignore
6786         type/mode checking for uniform arguments.
6787
6788 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
6789
6790         * combine.c (try_combine): Do not print "Can't combine" messages unless
6791         printing failed combination attempts.
6792
6793 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6794
6795         PR hsa/87863
6796         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
6797         segment and global segment variables before making them static.
6798
6799 2019-02-01  Martin Jambor  <mjambor@suse.cz>
6800
6801         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
6802         missed optimization dump with dump_enabled_p.
6803
6804 2019-02-01  Richard Biener  <rguenther@suse.de>
6805
6806         PR middle-end/88597
6807         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
6808         the instantiate cache.
6809         (instantiate_scev_binary): Elide second operand procesing
6810         if equal to the first.
6811         * tree-chrec.c (chrec_contains_symbols): Add visited set.
6812         (chrec_contains_undetermined): Likewise.
6813         (tree_contains_chrecs): Likewise.
6814
6815 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
6816
6817         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
6818
6819 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
6820
6821         PR tree-optimization/89143
6822         * wide-int-range.h (wide_int_range_absu): Declare.
6823         * wide-int-range.cc (wide_int_range_absu): New function.
6824         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
6825
6826         PR tree-optimization/88107
6827         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
6828         instead of assertion that eh_region_outermost is non-NULL, if it
6829         is NULL, set *ALL to true and return NULL.
6830         (move_sese_region_to_fn): Adjust caller, if all is set, call
6831         duplicate_eh_regions with NULL region.
6832
6833 2019-02-01  Richard Biener  <rguenth@suse.de>
6834
6835         PR rtl-optimization/88593
6836         * mode-switching.c (optimize_mode_switching): Free dominators before
6837         calling cleanup_cfg.
6838
6839 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
6840
6841         PR tree-optimization/88932
6842         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
6843
6844 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6845
6846         PR middle-end/89137
6847         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
6848         bogus clang warning.
6849
6850 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
6851
6852         PR target/89071
6853         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
6854         alternative to avoid partial SSE register stall for TARGET_AVX.
6855         (truncdfsf2): Ditto.
6856         (sse4_1_round<mode>2): Ditto.
6857
6858 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
6859
6860         PR tree-optimization/89008
6861         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
6862         process anything of the form X * 0.
6863
6864 2019-01-31  Richard Biener  <rguenther@suse.de>
6865
6866         PR tree-optimization/89135
6867         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
6868         with abnormal preds.
6869
6870 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
6871
6872         PR sanitizer/89124
6873         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
6874         always_inline callees into no_sanitize_address callers.
6875
6876 2019-01-31  Richard Biener  <rguenther@suse.de>
6877
6878         PR rtl-optimization/89115
6879         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
6880
6881 2019-01-30  Martin Sebor  <msebor@redhat.com>
6882
6883         PR other/89106
6884         * doc/extend.texi (cast to a union): Correct and expand.
6885
6886 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
6887
6888         PR rtl-optimization/87246
6889         * lra-constraints.c (simplify_operand_subreg): Reload memory
6890         in subreg if the address became invalid.
6891
6892 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
6893
6894         PR target/87064
6895         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
6896         Disable for little-endian.
6897
6898 2019-01-30  Richard Biener  <rguenther@suse.de>
6899
6900         PR rtl-optimization/89115
6901         * opts.c (default_options_optimization): Reduce
6902         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
6903         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
6904         to the default.
6905
6906 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6907
6908         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
6909         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
6910         type of vector element when vec_extract is implemented by direct
6911         move.
6912
6913 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
6914
6915         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
6916
6917 2019-01-30  Richard Biener  <rguenther@suse.de>
6918
6919         PR tree-optimization/89111
6920         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
6921         canonicalization to appropriately sized access types.
6922
6923 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
6924
6925         PR c++/89105
6926         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
6927         for arguments to functions that are TU-local and shouldn't be
6928         referenced by assembly.
6929
6930 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
6931
6932         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
6933         after '='.
6934
6935 2019-01-29  Martin Sebor  <msebor@redhat.com>
6936
6937         PR c/88956
6938         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
6939
6940 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
6941
6942         PR c++/66676
6943         PR ipa/89104
6944         * omp-simd-clone.c (simd_clone_clauses_extract)
6945         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
6946         OMP_CLAUSE_ALIGNED_ALIGNMENT.
6947
6948 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
6949
6950         * config.gcc: Force .init_array for ARC.
6951
6952 2019-01-29  Richard Biener  <rguenther@suse.de>
6953
6954         PR debug/87295
6955         * dwarf2out.c (collect_skeleton_dies): New helper.
6956         (copy_decls_for_unworthy_types): Call it.
6957         (build_abbrev_table): Assert we do not try to replace
6958         DW_AT_signature refs with local refs.
6959
6960 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6961
6962         PR middle-end/89002
6963         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
6964         for lastprivate/linear IV, push gimplify context around gimplify_assign
6965         and, if it needed any temporaries, pop it into a gimple bind around the
6966         sequence.
6967
6968 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6969
6970         * common.opt (-Wattribute-alias): Remove "no-" from name.
6971         Make -Wattribute-alias command line option and
6972         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
6973
6974 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
6975
6976         PR target/89073
6977         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
6978         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
6979         x86 ISA options.
6980         (bmi2): Add missing @opindex.
6981         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
6982         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
6983         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
6984         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
6985         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
6986         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
6987         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
6988         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
6989         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
6990         xsavec, xsaveopt and xsaves options.
6991
6992 2019-01-28  Richard Biener  <rguenther@suse.de>
6993
6994         PR debug/89076
6995         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
6996         support removal.
6997
6998 2019-01-28  Richard Biener  <rguenther@suse.de>
6999
7000         PR tree-optimization/88739
7001         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7002         BIT_FIELD_REFs only are applied to mode-precision operands
7003         when they are integral.
7004         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7005         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7006         BIT_FIELD_REFs of non-mode-precision integral operands.
7007
7008 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7009
7010         PR target/87214
7011         * config/i386/sse.md
7012         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7013         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7014         first constants in pairs are multiples of 2.  Formatting fixes.
7015         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7016         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7017         first constants in each quadruple are multiples of 4.  Formatting fixes.
7018
7019 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7020
7021         PR ipa/88933
7022         * tree-inline.c: Include tree-cfgcleanup.h.
7023         (delete_unreachable_blocks_update_callgraph): Move...
7024         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7025         ...here, make externally visible, make second argument bool, adjust
7026         all callers.
7027         * tree-cfgcleanup.c: Include cgraph.h.
7028         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7029         Declare.
7030         * ipa-prop.c: Include tree-cfgcleanup.h.
7031         (ipcp_transform_function): Call
7032         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7033
7034 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7035
7036         PR rtl-optimization/88846
7037         * ira.c (process_set_for_memref_referenced_p): New.
7038         (memref_referenced_p): Add new param.  Use
7039         process_set_for_memref_referenced_p.  Add new switch cases.
7040         (memref_used_between_p): Pass new arg to memref_referenced_p.
7041
7042 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7043
7044         PR target/88469
7045         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7046         argument ABI_BREAK.  Set to true if the calculated alignment has
7047         changed in gcc-9.  Check bit-fields for their base type alignment.
7048         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7049         (aarch64_function_arg_boundary): Likewise.
7050         (aarch64_gimplify_va_arg_expr): Likewise.
7051
7052 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7053
7054         PR middle-end/89037
7055         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7056         instead of accessing TREE_INT_CST_ELT directly.
7057
7058 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7059
7060         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7061         fenv_exceptions description.
7062
7063 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7064
7065         PR rtl-optimization/87763
7066         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7067         Allow SUBREG when matching CC_NZmode compare.
7068
7069 2019-01-25  Richard Biener  <rguenther@suse.de>
7070
7071         PR tree-optimization/89049
7072         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7073         Look at the pattern stmt to determine if the stmt is vectorized.
7074
7075 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7076
7077         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7078         (pred_mov<mode>): Handle all-register forms using both a new
7079         alternative and a split.
7080
7081 2019-01-25  Richard Biener  <rguenther@suse.de>
7082
7083         PR tree-optimization/86865
7084         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7085         Reject non-do-while loops.
7086
7087 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7088
7089         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7090         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7091         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7092         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7093         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7094         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7095         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7096         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7097         vlogical_operand, gpc_reg_operand, int_reg_operand,
7098         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7099         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7100         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7101         (save_world_operation, restore_world_operation, lmw_operation,
7102         stmw_operation): Use MEM_P and REG_P.
7103         (tie_operand): Use MEM_P.
7104         (vrsave_operation, crsave_operation): Use REG_P.
7105         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7106         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7107         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7108         (call_operand): Use HARD_REGISTER_P.
7109         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7110         Use CONST_INT_P.
7111         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7112         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7113         quad_aligned_load_p, replace_swapped_aligned_store,
7114         recombine_lvx_pattern, replace_swapped_aligned_load,
7115         recombine_stvx_pattern): Use MEM_P.
7116         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7117         Use MEM_P and SYMBOL_REF_P.
7118         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7119         (insn_is_swappable_p): Use REG_P and MEM_P.
7120         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7121         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7122         Use CONST_INT_P.
7123         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7124         Use CONST_DOUBLE_P.
7125         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7126         CONST_WIDE_INT_P.
7127         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7128         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7129         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7130         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7131         reg_or_subregno:
7132         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7133         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7134         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7135         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7136         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7137         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7138         rs6000_split_logical_di): Use CONST_INT_P.
7139         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7140         REG_P and SYMBOL_REF_P.
7141         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7142         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7143         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7144         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7145         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7146         (small_data_operand, print_operand_address): Use CONST_INT_P and
7147         SYMBOL_REF_P.
7148         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7149         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7150         Use HARD_REGISTER_NUM_P.
7151         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7152         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7153         SUBREG_P and SYMBOL_REF_P.
7154         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7155         and HARD_REGISTER_NUM_P.
7156         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7157         reg_or_subregno.
7158         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7159         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7160         MEM_P and REG_P.
7161         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7162         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7163         find_addr_reg): Use REG_P.
7164         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7165         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7166         (offsettable_ok_by_alignment, constant_pool_expr_p,
7167         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7168         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7169         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7170         rs6000_assemble_integer, create_TOC_reference,
7171         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7172         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7173         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7174         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7175         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7176         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7177         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7178         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7179         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7180         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7181         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7182         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7183         and cbranch<mode>4): Use CONST_INT_P.
7184         (multiple define_splits): Use REG_P and SUBREG_P.
7185         (define_expands call, call_value): Use MEM_P.
7186         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7187         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7188         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7189         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7190         and HARD_REGISTER_NUM_P.
7191         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7192
7193 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7194
7195         PR rtl-optimization/88948
7196         * rtl.h (prepare_copy_insn): New prototype.
7197         * gcse.c (prepare_copy_insn): New function, split out from
7198         process_insert_insn.
7199         (process_insert_insn): Use prepare_copy_insn.
7200         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7201         instead of gen_move_insn.
7202
7203 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7204
7205         PR debug/89006
7206         * config/i386/i386.c (ix86_pic_register_p): Return true for
7207         UNSPEC_SET_GOT too.
7208
7209         PR tree-optimization/88964
7210         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7211         punt if HONOR_SNANS (chrec).
7212
7213         PR middle-end/89015
7214         * tree-nested.c (convert_nonlocal_reference_stmt,
7215         convert_local_reference_stmt, convert_tramp_reference_stmt,
7216         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7217         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7218         or GIMPLE_OMP_TASK.
7219
7220         PR tree-optimization/89027
7221         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7222         for "omp simd array" variables.
7223
7224 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7225
7226         PR target/88469
7227         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7228         force the alignment of m_val.
7229
7230 2019-01-24  Richard Biener  <rguenther@suse.de>
7231
7232         PR lto/87187
7233         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7234         When in "legacy" debug mode make sure to reset self-origins.
7235
7236 2019-01-24  Martin Liska  <mliska@suse.cz>
7237
7238         PR gcov-profile/88994
7239         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7240         result will be always smaller or equal to the original.
7241         * gcov.c (mangle_name): Fix else branch where we should
7242         also copy to PTR and shift the pointer.
7243
7244 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7245
7246         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7247         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7248
7249 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7250             Steve Ellcey <sellcey@marvell.com>
7251
7252         PR target/85711
7253         * recog.c (address_operand): Return false on wrong mode for address.
7254         (constrain_operands): Check for mode with 'p' constraint.
7255
7256 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7257
7258         PR target/88998
7259         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7260         Disparage MMX alternative.
7261         (sse2_cvtpd2pi): Ditto.
7262         (sse2_cvttpd2pi): Ditto.
7263
7264 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7265
7266         PR driver/89014
7267         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7268         use-after-free of the result of
7269         aarch64_get_extension_string_for_isa_flags.
7270
7271 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7272
7273         PR c/44715
7274         * doc/extend.texi: Document break and continue behavior in
7275         statement expressions.
7276
7277 2019-01-23  Richard Biener  <rguenther@suse.de>
7278
7279         PR tree-optimization/89008
7280         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7281         not leave another stray operand.
7282
7283 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7284
7285         * BASE-VER: Bump to 9.0.1.
7286
7287 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7288
7289         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7290         thunk that returns by reference, use the type of the return object
7291         of the thunk instead of that of the alias to build the dereference.
7292
7293 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7294
7295         * config/arc/atomic.md: Add operand to DMB instruction.
7296
7297 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7298
7299         PR tree-optimization/88964
7300         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7301         build_zero_cst instead of build_int_cst.  Return false for loop
7302         invariants which honor signed zeros.
7303
7304 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7305
7306         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7307
7308 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7309
7310         PR target/88965
7311         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7312         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7313         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7314
7315         PR middle-end/88968
7316         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7317         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7318
7319         PR target/87064
7320         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7321         Disable for little endian.
7322
7323 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7324
7325         PR target/88469
7326         * config/arm/arm.c (arm_needs_double_word_align): Check
7327         DECL_BIT_FIELD_TYPE.
7328
7329 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7330             H.J. Lu  <hongjiu.lu@intel.com>
7331
7332         PR target/88909
7333         * config/i386/i386-builtin.def: Add mask2 to all builtin
7334         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7335         SPECIAL_ARGS.
7336         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7337         (BDESC_FIRST): Likewise.
7338         (define_builtin): Add an argument for mask2.  Updated to handle
7339         both ix86_isa_flags and ix86_isa_flags2.
7340         (define_builtin_const): Likewise.
7341         (define_builtin_pure): Likewise.
7342         (define_builtin2): Deleted.
7343         (define_builtin_const2): Likewise.
7344         (builtin_description): Add a member, mask2.
7345         (bdesc_*): Add mask2 to builtin initializations.
7346         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7347         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7348         support.
7349         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7350
7351 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7352
7353         PR target/88954
7354         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7355         noplt attribute.
7356
7357 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7358
7359         PR target/88469
7360         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7361         alignment is dominated by a bitfield with 64-bit aligned base type.
7362         (arm_function_arg): Emit a warning if the alignment has changed since
7363         earlier GCC releases.
7364         (arm_function_arg_boundary): Likewise.
7365         (arm_setup_incoming_varargs): Likewise.
7366
7367 2019-01-22  Richard Biener  <rguenther@suse.de>
7368
7369         PR tree-optimization/88862
7370         * graphite-scop-detection.c
7371         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7372
7373 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7374
7375         * doc/extend.tex (AMD GCN Function Attributes): New section.
7376         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7377         * doc/invoke.texi (AMD GCN Options): New section.
7378         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7379
7380 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7381
7382         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7383         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7384
7385 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7386
7387         PR tree-optimization/88044
7388         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7389         is false in the first iteration, but !every_iteration, return false
7390         instead of true with niter->niter zero.
7391
7392         PR rtl-optimization/88904
7393         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7394         any nonequal registers before processing BB_END (b).
7395
7396         PR target/88905
7397         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7398         GET_MODE (op0).
7399         (expand_binop_directly, expand_doubleword_clz,
7400         expand_doubleword_popcount, expand_ctz, expand_ffs,
7401         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7402
7403         PR rtl-optimization/49429
7404         PR target/49454
7405         PR rtl-optimization/86334
7406         PR target/88906
7407         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7408         addressable from here...
7409         (emit_block_op_via_libcall): ... to here.
7410
7411 2019-01-22  Richard Biener  <rguenther@suse.de>
7412
7413         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7414         auto_vec for cost vector to fix memleak.
7415         (vectorize_fold_left_reduction): Properly gather SLP defs.
7416         (vectorizable_comparison): Do not swap operands to properly
7417         gather SLP defs.
7418
7419 2019-01-22  Alan Modra  <amodra@gmail.com>
7420
7421         PR target/88614
7422         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7423         stays a reg.  Allow a const_int.
7424         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7425         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7426         (IS_NOMARK_TLSGETADDR): Define.
7427         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7428         (rs6000_output_tlsargs): New function.
7429         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7430         __tls_get_addr call takes an arg.
7431         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7432         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7433         delete split..
7434         (call_value_nonlocal_sysv): ..or here, delete split.
7435         (tls_gdld_nomark): Delete.
7436         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7437         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7438         (call_value_nonlocal_sysv): Likewise.
7439         (call_value_nonlocal_sysv_secure): Likewise.
7440         (call_value_nonlocal_aix): Likewise.
7441         (call_value_indirect_aix): Likewise.
7442         (call_value_indirect_elfv2): Likewise.
7443         (call_value_local32, call_value_local64): Disable for no-mark tls.
7444         (call_value_local_aix): Likewise.
7445
7446 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7447
7448         PR target/88938
7449         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7450         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7451
7452 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7453
7454         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7455         string contents as hash_map keys.
7456
7457 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7458
7459         PR c/88928
7460         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7461         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7462         instead of TYPE_ALIGN.
7463         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7464         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7465         pointer from TYPE_STUB_DECL.
7466
7467 2019-01-21  Richard Biener  <rguenther@suse.de>
7468
7469         PR tree-optimization/88934
7470         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7471         at the possibly non-constant operand.
7472         (vect_get_constant_vectors): Adjust.
7473
7474 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7475
7476         PR target/71659
7477         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7478         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7479         instead of _X86INTRIN_H_INCLUDED.
7480         * onfig/i386/clwbintrin.h: Likewise.
7481         * config/i386/pkuintrin.h: Likewise.
7482         * config/i386/prfchwintrin.h: Likewise.
7483         * config/i386/rdseedintrin.h: Likewise.
7484         * config/i386/wbnoinvdintrin.h: Likewise.
7485         * config/i386/xsavecintrin.h: Likewise.
7486         * config/i386/xsavesintrin.h: Likewise.
7487         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7488         * config/i386/xsaveintrin.h: Likewise.
7489         * config/i386/xsaveoptintrin.h: Likewise.
7490         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7491         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7492         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7493         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7494         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7495         * config/i386/immintrin.h: Here.
7496
7497 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7498
7499         PR ipa/87615
7500         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7501         with aa_walk_budget.
7502         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7503         aa_walk_budget_p parameter.
7504         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7505         walk.  Updated all callers.
7506         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7507         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7508         unmodified_parm.
7509         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7510         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7511         and to unmodified_parm.
7512         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7513         info, updated call to will_be_nonconstant_expr_predicate.
7514         (param_change_prob): New parameter fbi, limit AA walking.
7515         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7516         calls to various above functions.
7517         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7518         parameter.  Use it to limit AA walking.
7519         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7520         fbi, limit AA walk.
7521         (detect_type_change): New parameter fbi, pass it on to
7522         detect_type_change_from_memory_writes.
7523         (detect_type_change_ssa): Likewise.
7524         (aa_overwalked): Removed.
7525         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7526         accordingly, adjust to the neew AA limiting scheme.
7527         (parm_ref_data_preserved_p): Likewise.
7528         (ipa_compute_jump_functions_for_edge): Adjust call to
7529         get_dynamic_type.
7530         (ipa_analyze_call_uses): Likewise.
7531         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7532         (ipa_analyze_node): Initialize aa_walk_budget.
7533         (ipcp_transform_function): Likewise.
7534         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7535         to get_dynamic_type.
7536
7537 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7538
7539         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7540         outside of #if CHECKING_P code.
7541
7542 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7543
7544         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7545         New function, split out from...
7546         (loop_versioning::analyze_stride): ...here.
7547         (loop_versioning::find_per_loop_multiplication): Use gassign.
7548         (loop_versioning::analyze_term_using_scevs): Return a success code.
7549         (loop_versioning::analyze_arbitrary_term): New function.
7550         (loop_versioning::analyze_address_fragment): Use
7551         analyze_arbitrary_term if all else fails.
7552
7553 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7554
7555         PR target/88892
7556         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7557         operands.
7558
7559 2019-01-18  Richard Biener  <rguenther@suse.de>
7560
7561         PR tree-optimization/88903
7562         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7563         scalar stmts a SLP shift amount is composed of when detecting
7564         shifts by scalars.
7565
7566 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7567
7568         PR target/88799
7569         * config/arm/arm-cpus.in (mp): New feature.
7570         (sec): New feature.
7571         (fgroup ARMv7ve): Add mp and sec features.
7572         (arch armv7-a): Add options to allow mp and sec extensions.
7573         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7574         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7575         extenstions to the base architecture.
7576         (cpu cortex-a8): Add sec extension to the base architecture.
7577         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7578         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7579         variants down to the base v7-a varaint.
7580         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7581         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7582         of permitted extensions for -march=armv7-a and for
7583         -mcpu=generic-armv7-a.
7584
7585 2019-01-18  Martin Liska  <mliska@suse.cz>
7586
7587         * params.def: Fix comment.
7588         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7589         name.
7590         (gimple_gen_ic_func_profiler): Likewise.
7591
7592 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7593
7594         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7595         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7596         and put in error checks for stack protector guard options.
7597         (aarch64_stack_protect_guard): New.
7598         (TARGET_STACK_PROTECT_GUARD): Define.
7599         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7600         (reg_stack_protect_address<mode>): New.
7601         (stack_protect_set): Adjust for SSP_GLOBAL.
7602         (stack_protect_test): Likewise.
7603         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7604         (-mstack-protector-guard): Likewise.
7605         (-mstack-protector-guard-offset): Likewise.
7606
7607 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7608
7609         PR tree-optimization/86214
7610         * tree-inline.h (struct copy_body_data): Add
7611         add_clobbers_to_eh_landing_pads member.
7612         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7613         (copy_edges_for_bb): Call it if EH edge destination is <
7614         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7615         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7616         if flag_stack_reuse != SR_NONE and clear it afterwards.
7617
7618 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7619
7620         PR target/85596
7621         * doc/install.texi (with-multilib-list): Document for aarch64.
7622
7623 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7624
7625         PR target/88734
7626         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7627         (("..."))) with ("...").
7628
7629 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7630
7631         * doc/extend.texi (Built-in Functions for Memory Model Aware
7632         Atomic Operations): Document atomic fetch and nand.
7633
7634 2019-01-18  Martin Liska  <mliska@suse.cz>
7635             Richard Biener  <rguenther@suse.de>
7636
7637         PR middle-end/88587
7638         * cgraph.h (create_version_clone_with_body): Add new argument
7639         with attributes.
7640         * cgraphclones.c (cgraph_node::create_version_clone): Add
7641         DECL_ATTRIBUTES to a newly created decl.  And call
7642         valid_attribute_p so that proper cl_target_optimization_node
7643         is set for the newly created declaration.
7644         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7645         for declaration.
7646         (expand_target_clones): Do not call valid_attribute_p, it must
7647         be already done.
7648         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7649         vector types.
7650
7651 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7652
7653         PR target/88734
7654         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7655         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7656         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7657
7658 2019-01-17  Martin Sebor  <msebor@redhat.com>
7659
7660         PR middle-end/88273
7661         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7662         Handle anti-ranges the same as no range at all.
7663
7664 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7665
7666         * config/aarch64/aarch64.c (cgraph.h): New include.
7667         (intl.h): New include.
7668         (supported_simd_type): New function.
7669         (currently_supported_simd_type): Ditto.
7670         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7671         (aarch64_simd_clone_adjust): Ditto.
7672         (aarch64_simd_clone_usable): Ditto.
7673         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7674         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7675         (TARGET_SIMD_CLONE_USABLE): Ditto.
7676         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7677         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7678         call.
7679
7680 2019-01-17  Martin Sebor  <msebor@redhat.com>
7681
7682         PR tree-optimization/88800
7683         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7684         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7685         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7686         redundant argument.  Add new argument and issue diagnostics under
7687         its control.  Detect out-of-bounds access even with warnings
7688         disabled.
7689         (check_bounds_or_overlap): Change return type.  Add argument.
7690         (wrestrict_dom_walker::check_call): Adjust.
7691         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7692         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7693         check_bounds_or_overlap's return value.
7694         (handle_builtin_stxncpy): Same.
7695         (handle_builtin_strcat): Same.
7696
7697 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7698             Kwok Cheung Yeung  <kcy@codesourcery.com>
7699             Julian Brown  <julian@codesourcery.com>
7700             Tom de Vries  <tom@codesourcery.com>
7701
7702         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7703
7704 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7705
7706         * doc/sourcebuild.texi: Document dg-require-effective-target
7707         llvm_binutils and offload_gcn.
7708
7709 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7710             Kwok Cheung Yeung  <kcy@codesourcery.com>
7711             Julian Brown  <julian@codesourcery.com>
7712             Tom de Vries  <tom@codesourcery.com>
7713
7714         * doc/sourcebuild.texi: Document dg-required-effective-target
7715         exceptions.
7716
7717 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7718             Kwok Cheung Yeung  <kcy@codesourcery.com>
7719             Julian Brown  <julian@codesourcery.com>
7720             Tom de Vries  <tom@codesourcery.com>
7721             Jan Hubicka  <hubicka@ucw.cz>
7722             Martin Jambor  <mjambor@suse.cz>
7723
7724         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7725         * configure.ac: Check for dlopen.
7726         * configure: Regenerate.
7727
7728 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7729             Kwok Cheung Yeung  <kcy@codesourcery.com>
7730             Julian Brown  <julian@codesourcery.com>
7731             Tom de Vries  <tom@codesourcery.com>
7732             Jan Hubicka  <hubicka@ucw.cz>
7733             Martin Jambor  <mjambor@suse.cz>
7734
7735         * common/config/gcn/gcn-common.c: New file.
7736         * config/gcn/driver-gcn.c: New file.
7737         * config/gcn/gcn-builtins.def: New file.
7738         * config/gcn/gcn-hsa.h: New file.
7739         * config/gcn/gcn-modes.def: New file.
7740         * config/gcn/gcn-opts.h: New file.
7741         * config/gcn/gcn-passes.def: New file.
7742         * config/gcn/gcn-protos.h: New file.
7743         * config/gcn/gcn-run.c: New file.
7744         * config/gcn/gcn-tree.c: New file.
7745         * config/gcn/gcn.c: New file.
7746         * config/gcn/gcn.h: New file.
7747         * config/gcn/gcn.opt: New file.
7748         * config/gcn/t-gcn-hsa: New file.
7749
7750 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7751             Kwok Cheung Yeung  <kcy@codesourcery.com>
7752             Julian Brown  <julian@codesourcery.com>
7753             Tom de Vries  <tom@codesourcery.com>
7754             Jan Hubicka  <hubicka@ucw.cz>
7755             Martin Jambor  <mjambor@suse.cz>
7756
7757         * config/gcn/constraints.md: New file.
7758         * config/gcn/gcn-valu.md: New file.
7759         * config/gcn/gcn.md: New file.
7760         * config/gcn/predicates.md: New file.
7761
7762 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7763
7764         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
7765         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
7766         (stmt_uses_0_or_null_in_undefined_way): Likewise.
7767         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
7768
7769 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
7770
7771         PR target/88851
7772         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
7773         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
7774         it and document registers.
7775
7776 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7777
7778         * config/aarch64/aarch64.c (ares_tunings): Define.
7779         * config/aarch64/aarch64-cores.def (ares): Use the above.
7780
7781 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7782
7783         PR target/88794
7784         Revert:
7785         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
7786
7787         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
7788         (_mm512_fixupimm_round_pd): Update parameters and builtin.
7789         (_mm512_maskz_fixupimm_round_pd): Ditto.
7790         (_mm512_fixupimm_round_ps): Ditto.
7791         (_mm512_maskz_fixupimm_round_ps): Ditto.
7792         (_mm_fixupimm_round_sd): Ditto.
7793         (_mm_maskz_fixupimm_round_sd): Ditto.
7794         (_mm_fixupimm_round_ss): Ditto.
7795         (_mm_maskz_fixupimm_round_ss): Ditto.
7796         (_mm512_fixupimm_pd): Ditto.
7797         (_mm512_maskz_fixupimm_pd): Ditto.
7798         (_mm512_fixupimm_ps): Ditto.
7799         (_mm512_maskz_fixupimm_ps): Ditto.
7800         (_mm_fixupimm_sd): Ditto.
7801         (_mm_maskz_fixupimm_sd): Ditto.
7802         (_mm_fixupimm_ss): Ditto.
7803         (_mm_maskz_fixupimm_ss): Ditto.
7804         (_mm512_mask_fixupimm_round_pd): Update builtin.
7805         (_mm512_mask_fixupimm_round_ps): Ditto.
7806         (_mm_mask_fixupimm_round_sd): Ditto.
7807         (_mm_mask_fixupimm_round_ss): Ditto.
7808         (_mm512_mask_fixupimm_pd): Ditto.
7809         (_mm512_mask_fixupimm_ps): Ditto.
7810         (_mm_mask_fixupimm_sd): Ditto.
7811         (_mm_mask_fixupimm_ss): Ditto.
7812         * config/i386/avx512vlintrin.h:
7813         (_mm256_fixupimm_pd): Update parameters and builtin.
7814         (_mm256_maskz_fixupimm_pd): Ditto.
7815         (_mm256_fixupimm_ps): Ditto.
7816         (_mm256_maskz_fixupimm_ps): Ditto.
7817         (_mm_fixupimm_pd): Ditto.
7818         (_mm_maskz_fixupimm_pd): Ditto.
7819         (_mm_fixupimm_ps): Ditto.
7820         (_mm_maskz_fixupimm_ps): Ditto.
7821         (_mm256_mask_fixupimm_pd): Update builtin.
7822         (_mm256_mask_fixupimm_ps): Ditto.
7823         (_mm_mask_fixupimm_pd): Ditto.
7824         (_mm_mask_fixupimm_ps): Ditto.
7825         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
7826         * config/i386/i386-builtin.def: Update builtin definitions.
7827         * config/i386/i386.c: Handle new builtin types and remove useless ones.
7828         * config/i386/sse.md: Update VFIXUPIMM* patterns.
7829         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7830         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7831         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
7832         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7833         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7834         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
7835         * config/i386/subst.md:
7836         (round_saeonly_sd_mask_operand4): Add new subst_attr.
7837         (round_saeonly_sd_mask_op4): Ditto.
7838         (round_saeonly_expand_operand5): Ditto.
7839         (round_saeonly_expand): Update.
7840
7841 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7842
7843         PR target/88794
7844         Revert:
7845         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
7846
7847         * config/i386/sse.md: Combine VFIXUPIMM* patterns
7848         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7849         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7850         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
7851         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
7852         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
7853         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
7854
7855 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
7856
7857         PR target/88794
7858         Revert:
7859         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
7860
7861         PR target/88489
7862         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
7863         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
7864         instead of UNSPEC_FIXUPIMM.
7865
7866 2019-01-17  Richard Biener  <rguenther@suse.de>
7867
7868         PR lto/86736
7869         * dwarf2out.c (want_pubnames): Never generate pubnames sections
7870         and friends for the LTO part of debug info.
7871
7872 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7873
7874         PR tree-optimization/86214
7875         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
7876         if x == y.
7877
7878         PR rtl-optimization/88870
7879         * dce.c (deletable_insn_p): Never delete const/pure calls that can
7880         throw if we can't alter the cfg or delete dead exceptions.
7881         (mark_insn): Don't call find_call_stack_args for such calls.
7882
7883 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
7884
7885         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
7886         prototypes for vec_st.
7887         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
7888         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
7889         mainly on signed/unsigned long long and double.
7890
7891 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
7892
7893         PR target/88861
7894         * combine.c (delete_noop_moves): Convert to "bool" return,
7895         returning true if any edges are eliminated.
7896         (combine_instructions): Also return true if delete_noop_moves
7897         returns true.
7898
7899 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7900
7901         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
7902         correct max nunits for endian swap.
7903         (aarch64_expand_fcmla_builtin): Correct subreg code.
7904         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
7905         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
7906         lane endianness.
7907
7908 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
7909
7910         * config/alpha/alpha.c (alpha_gimplify_va_arg):
7911         Handle split indirect COMPLEX_TYPE arguments.
7912
7913 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
7914
7915         PR target/86891
7916         * config/aarch64/aarch64-modes.def: Add comment about how the carry
7917         bit is set by add and compare.
7918         (CC_ADC): New CC_MODE.
7919         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
7920         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
7921         comparison.  Add detection for CC_ADCmode.
7922         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
7923         CC_ADCmode.
7924         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
7925         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
7926         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
7927         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
7928         to eliminate the need for zero-extending the operands.
7929         (add<mode>3_compareC_imm): Delete.  Merge into ...
7930         (add<mode>3_compareC): ... this.  Restructure the comparison to
7931         eliminate the need for zero-extending the operands.
7932         (add<mode>3_carryin): Use LTU for the overflow detection.
7933         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
7934         Reexpress comparison for overflow.
7935         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
7936         (add<mode>3_carryinC): Likewise.
7937         (add<mode>3_carryinV): Use LTU for carry between partials.
7938         * config/aarch64/predicates.md (aarch64_carry_operation): Update
7939         handling of CC_Cmode and add CC_ADCmode.
7940         (aarch64_borrow_operation): Likewise.
7941
7942 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
7943
7944         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
7945         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
7946         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
7947         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
7948
7949 2019-01-16  Martin Liska  <mliska@suse.cz>
7950
7951         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
7952         for GCC driver.
7953         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
7954         a new argument.
7955         * gcc.c (add_sysrooted_hdrs_prefix): New function.
7956         (path_prefix_reset): Move up in the source file.
7957         (find_fortran_preinclude_file): Make complex search for the
7958         fortran header files.
7959
7960 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
7961
7962         * godump.c (go_output_typedef): When outputting a typedef, refer
7963         to the underlying type by its name and not its structure.
7964
7965 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
7966
7967         PR c++/88795
7968         * tree.c (build_function_type): Assert that arg_types is not
7969         error_mark_node.
7970
7971 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
7972
7973         PR inline-asm/52813
7974         * doc/extend.texi: Document that listing the stack pointer in the
7975         clobber list of an asm is a deprecated feature.
7976         * common.opt (Wdeprecated): Moved from c-family/c.opt.
7977         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
7978         warning instead of an error for clobbers of the stack pointer.
7979         Add a note explaining why.
7980
7981 2019-01-15  Richard Biener  <rguenther@suse.de>
7982
7983         PR debug/88046
7984         * dwarf2out.c (gen_member_die): Do not generate inheritance
7985         DIEs late.
7986
7987 2019-01-15  Richard Biener  <rguenther@suse.de>
7988
7989         PR tree-optimization/88855
7990         * tree-if-conv.c (combine_blocks): Collect
7991         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
7992
7993 2019-01-15  Tom de Vries  <tdevries@suse.de>
7994
7995         PR target/80547
7996         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
7997         lhs == NULL_TREE for gang-level reduction.
7998
7999 2019-01-15  Richard Biener  <rguenther@suse.de>
8000             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8001
8002         PR ipa/88788
8003         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8004         return true if SSA_NAME is already marked in visited bitmap.
8005         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8006
8007 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8008
8009         PR tree-optimization/88775
8010         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8011         equal == 0 equality pointer comparisons some more if compared in
8012         integral types and either one points to an automatic var and the
8013         other to a global, or we can prove at least one points to the middle
8014         or both point to start or both point to end.
8015
8016 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8017
8018         * Makefile.in: Lower autofdo sampling rate by 10x.
8019         * Makefile.tpl: Dito.
8020
8021 2019-01-14  Tom Honermann  <tom@honermann.net>
8022
8023         * defaults.h: Define CHAR8_TYPE.
8024
8025 2019-01-14  Martin Sebor  <msebor@redhat.com>
8026
8027         PR target/88638
8028         * doc/extend.texi (Darwin Format Checks): Clarify.
8029
8030 2019-01-14  Richard Biener  <rguenther@suse.de>
8031
8032         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8033         whether we are in (simplify ...) or (match ...) context.
8034
8035 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8036
8037         PR rtl-optimization/88796
8038         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8039         * cfgexpand.c (stack_protect_prologue): Initialize
8040         crtl->stack_protect_guard_decl.
8041         * function.c (stack_protect_epilogue): Use it instead of calling
8042         targetm.stack_protect_guard again.
8043         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8044         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8045         crtl->stack_protect_guard_decl.
8046         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8047         on the returned MEM_EXPR.
8048
8049 2019-01-12  Tom de Vries  <tdevries@suse.de>
8050
8051         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8052         vector length using -fopenacc-dim.
8053
8054 2019-01-12  Tom de Vries  <tdevries@suse.de>
8055
8056         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8057         lengths into account.
8058
8059 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8060
8061         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8062         (TARGET_CAN_SPLIT_STACK): Define.
8063         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8064
8065 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8066
8067         * params.def (inline-unit-growth): Set to 40.
8068
8069 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8070
8071         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8072
8073 2019-01-12  Tom de Vries  <tdevries@suse.de>
8074
8075         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8076         region calling vector-partitionable routine, set default_vector_length
8077         to WARP_SIZE.
8078
8079 2019-01-12  Tom de Vries  <tdevries@suse.de>
8080
8081         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8082         variable default_vector_length.
8083
8084 2019-01-12  Tom de Vries  <tdevries@suse.de>
8085
8086         PR middle-end/88703
8087         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8088         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8089         dimensions limits.
8090
8091 2019-01-12  Tom de Vries  <tdevries@suse.de>
8092
8093         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8094         (nvptx_goacc_validate_dims): Add used parameter.
8095         * doc/tm.texi: Regenerate.
8096         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8097         argument to call to targetm.goacc.validate_dims.
8098         (default_goacc_validate_dims): Add used
8099         parameter.
8100         * target.def (validate_dims): Add used parameter in DEFHOOK.
8101         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8102
8103 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8104
8105         PR middle-end/85956
8106         PR lto/88733
8107         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8108         field.
8109         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8110         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8111         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8112         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8113
8114 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8115
8116         PR rtl-optimization/87305
8117         * lra-assigns.c
8118         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8119         for little endian pseudos used as paradoxical subreg.
8120
8121 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8122
8123         PR tree-optimization/88693
8124         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8125         for STRING_CSTs that don't contain any NUL characters in the first
8126         TREE_STRING_LENGTH bytes.
8127
8128 2019-01-11  Alan Modra  <amodra@gmail.com>
8129
8130         PR 88777
8131         PR 88614
8132         * genattrtab.c (min_fn): Don't translate values.
8133         (min_attr_value): Return INT_MAX when the value can't be calculated.
8134         Return minimum among any values that can be calculated.
8135         (max_attr_value): Adjust.
8136
8137 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8138
8139         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8140
8141 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8142
8143         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8144         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8145         (aarch64_return_call_with_max_clobbers): New function.
8146         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8147         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8148         argument.
8149         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8150         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8151         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8152         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8153         * cselib.c (cselib_process_insn): Add argument to
8154         targetm.hard_regno_call_part_clobbered call.
8155         * ira-conflicts.c (ira_build_conflicts): Ditto.
8156         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8157         * lra-constraints.c (inherit_reload_reg): Ditto.
8158         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8159         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8160         argument.  Call targetm.return_call_with_max_clobbers.
8161         Add argument to targetm.hard_regno_call_part_clobbered call.
8162         (calls_have_same_clobbers_p): New function.
8163         (process_bb_lives): Add call_insn and last_call_insn variables.
8164         Pass call_insn to check_pseudos_live_through_calls.
8165         Modify if stmt to check targetm.return_call_with_max_clobbers.
8166         Update setting of flush variable.
8167         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8168         to false.
8169         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8170         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8171         targetm.hard_regno_call_part_clobbered call.
8172         * reginfo.c (choose_hard_reg_mode): Ditto.
8173         * regrename.c (check_new_reg_p): Ditto.
8174         * reload.c (find_equiv_reg): Ditto.
8175         * reload1.c (emit_reload_insns): Ditto.
8176         * sched-deps.c (deps_analyze_insn): Ditto.
8177         * sel-sched.c (init_regs_for_mode): Ditto.
8178         (mark_unavailable_hard_regs): Ditto.
8179         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8180         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8181         (return_call_with_max_clobbers): New target function.
8182         * doc/tm.texi: Regenerate.
8183         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8184         * hooks.c (hook_bool_uint_mode_false): Change to
8185         hook_bool_insn_uint_mode_false.
8186         * hooks.h (hook_bool_uint_mode_false): Ditto.
8187
8188 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8189
8190         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8191         (aarch64_remove_extra_call_preserved_regs): New function.
8192         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8193         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8194         * doc/tm.texi: Regenerate.
8195         * final.c (get_call_reg_set_usage): Call new hook.
8196         * target.def (remove_extra_call_preserved_regs): New hook.
8197         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8198         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8199
8200 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8201
8202         PR bootstrap/88714
8203         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8204         inside of pass_combine_1 dump rather than pass_profile_1.
8205
8206 2019-01-11  Tom de Vries  <tdevries@suse.de>
8207
8208         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8209         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8210         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8211         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8212         num_workers 16.
8213
8214 2019-01-11  Tom de Vries  <tdevries@suse.de>
8215
8216         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8217
8218 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8219
8220         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8221         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8222         sse2_cvtsi2sd): Add {l}.
8223         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8224         syntax.
8225
8226 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8227
8228         PR target/88785
8229         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8230         define_expand.
8231         (*float<floatunssuffix>v2div2sf2): New define_insn.
8232         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8233         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8234         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8235         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8236         match_operands with "const0_operand" "C".
8237
8238 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8239
8240         * config/aarch64/aarch64-builtins.c
8241         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8242         (aarch64_init_simd_builtins): ...Here
8243
8244 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8245
8246         PR rtl-optimization/87305
8247         * lra-assigns.c
8248         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8249         allocation for big endian pseudos used as paradoxical subregs and
8250         spill them if it is wrong.
8251         * lra-constraints.c (lra_constraints): Add a comment.
8252
8253 2019-01-10  Richard Biener  <rguenther@suse.de>
8254
8255         PR tree-optimization/88792
8256         * tree-ssa-pre.c (get_representative_for): Do not return a
8257         value-number here.
8258
8259 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8260
8261         PR middle-end/84877
8262         PR bootstrap/88450
8263         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8264         (assign_parm_setup_block): Do the argument slot realignment here
8265         instead.
8266
8267 2019-01-10  Stefan Agner  <stefan@agner.ch>
8268
8269         PR target/88648
8270         * config/arm/arm.c (arm_option_override_internal): Force
8271         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8272
8273 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8274
8275         PR c/88568
8276         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8277         DECL_EXTERNAL.
8278
8279 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8280
8281         * config/arm/arm-builtins.c
8282         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8283         (MAC_LANE_PAIR_QUALIFIERS): New.
8284         (arm_expand_builtin_args): Use it.
8285         (arm_expand_builtin_1): Likewise.
8286         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8287         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8288         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8289         * config/arm/arm_neon.h:
8290         (vcadd_rot90_f16): New.
8291         (vcaddq_rot90_f16): New.
8292         (vcadd_rot270_f16): New.
8293         (vcaddq_rot270_f16): New.
8294         (vcmla_f16): New.
8295         (vcmlaq_f16): New.
8296         (vcmla_lane_f16): New.
8297         (vcmla_laneq_f16): New.
8298         (vcmlaq_lane_f16): New.
8299         (vcmlaq_laneq_f16): New.
8300         (vcmla_rot90_f16): New.
8301         (vcmlaq_rot90_f16): New.
8302         (vcmla_rot90_lane_f16): New.
8303         (vcmla_rot90_laneq_f16): New.
8304         (vcmlaq_rot90_lane_f16): New.
8305         (vcmlaq_rot90_laneq_f16): New.
8306         (vcmla_rot180_f16): New.
8307         (vcmlaq_rot180_f16): New.
8308         (vcmla_rot180_lane_f16): New.
8309         (vcmla_rot180_laneq_f16): New.
8310         (vcmlaq_rot180_lane_f16): New.
8311         (vcmlaq_rot180_laneq_f16): New.
8312         (vcmla_rot270_f16): New.
8313         (vcmlaq_rot270_f16): New.
8314         (vcmla_rot270_lane_f16): New.
8315         (vcmla_rot270_laneq_f16): New.
8316         (vcmlaq_rot270_lane_f16): New.
8317         (vcmlaq_rot270_laneq_f16): New.
8318         (vcadd_rot90_f32): New.
8319         (vcaddq_rot90_f32): New.
8320         (vcadd_rot270_f32): New.
8321         (vcaddq_rot270_f32): New.
8322         (vcmla_f32): New.
8323         (vcmlaq_f32): New.
8324         (vcmla_lane_f32): New.
8325         (vcmla_laneq_f32): New.
8326         (vcmlaq_lane_f32): New.
8327         (vcmlaq_laneq_f32): New.
8328         (vcmla_rot90_f32): New.
8329         (vcmlaq_rot90_f32): New.
8330         (vcmla_rot90_lane_f32): New.
8331         (vcmla_rot90_laneq_f32): New.
8332         (vcmlaq_rot90_lane_f32): New.
8333         (vcmlaq_rot90_laneq_f32): New.
8334         (vcmla_rot180_f32): New.
8335         (vcmlaq_rot180_f32): New.
8336         (vcmla_rot180_lane_f32): New.
8337         (vcmla_rot180_laneq_f32): New.
8338         (vcmlaq_rot180_lane_f32): New.
8339         (vcmlaq_rot180_laneq_f32): New.
8340         (vcmla_rot270_f32): New.
8341         (vcmlaq_rot270_f32): New.
8342         (vcmla_rot270_lane_f32): New.
8343         (vcmla_rot270_laneq_f32): New.
8344         (vcmlaq_rot270_lane_f32): New.
8345         (vcmlaq_rot270_laneq_f32): New.
8346         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8347         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8348         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8349         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8350         vcmlaq_lane270): New.
8351         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8352         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8353         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8354         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8355         (arm_option_reconfigure_globals): Use them.
8356         * config/arm/iterators.md (VDF, VQ_HSF): New.
8357         (VCADD, VCMLA): New.
8358         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8359         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8360         New.
8361         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8362         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8363
8364 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8365
8366         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8367         Add qualifier_lane_pair_index.
8368         (emit-rtl.h): Include.
8369         (TYPES_QUADOP_LANE_PAIR): New.
8370         (aarch64_simd_expand_args): Use it.
8371         (aarch64_simd_expand_builtin): Likewise.
8372         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8373         New.
8374         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8375         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8376         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8377         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8378         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8379         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8380         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8381         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8382         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8383         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8384         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8385         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8386         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8387         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8388         Add __ARM_FEATURE_COMPLEX.
8389         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8390         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8391         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8392         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8393         fcmlaq_lane270): New.
8394         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8395         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8396         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8397         * config/aarch64/arm_neon.h:
8398         (vcadd_rot90_f16): New.
8399         (vcaddq_rot90_f16): New.
8400         (vcadd_rot270_f16): New.
8401         (vcaddq_rot270_f16): New.
8402         (vcmla_f16): New.
8403         (vcmlaq_f16): New.
8404         (vcmla_lane_f16): New.
8405         (vcmla_laneq_f16): New.
8406         (vcmlaq_lane_f16): New.
8407         (vcmlaq_rot90_lane_f16): New.
8408         (vcmla_rot90_laneq_f16): New.
8409         (vcmla_rot90_lane_f16): New.
8410         (vcmlaq_rot90_f16): New.
8411         (vcmla_rot90_f16): New.
8412         (vcmlaq_laneq_f16): New.
8413         (vcmla_rot180_laneq_f16): New.
8414         (vcmla_rot180_lane_f16): New.
8415         (vcmlaq_rot180_f16): New.
8416         (vcmla_rot180_f16): New.
8417         (vcmlaq_rot90_laneq_f16): New.
8418         (vcmlaq_rot270_laneq_f16): New.
8419         (vcmlaq_rot270_lane_f16): New.
8420         (vcmla_rot270_laneq_f16): New.
8421         (vcmlaq_rot270_f16): New.
8422         (vcmla_rot270_f16): New.
8423         (vcmlaq_rot180_laneq_f16): New.
8424         (vcmlaq_rot180_lane_f16): New.
8425         (vcmla_rot270_lane_f16): New.
8426         (vcadd_rot90_f32): New.
8427         (vcaddq_rot90_f32): New.
8428         (vcaddq_rot90_f64): New.
8429         (vcadd_rot270_f32): New.
8430         (vcaddq_rot270_f32): New.
8431         (vcaddq_rot270_f64): New.
8432         (vcmla_f32): New.
8433         (vcmlaq_f32): New.
8434         (vcmlaq_f64): New.
8435         (vcmla_lane_f32): New.
8436         (vcmla_laneq_f32): New.
8437         (vcmlaq_lane_f32): New.
8438         (vcmlaq_laneq_f32): New.
8439         (vcmla_rot90_f32): New.
8440         (vcmlaq_rot90_f32): New.
8441         (vcmlaq_rot90_f64): New.
8442         (vcmla_rot90_lane_f32): New.
8443         (vcmla_rot90_laneq_f32): New.
8444         (vcmlaq_rot90_lane_f32): New.
8445         (vcmlaq_rot90_laneq_f32): New.
8446         (vcmla_rot180_f32): New.
8447         (vcmlaq_rot180_f32): New.
8448         (vcmlaq_rot180_f64): New.
8449         (vcmla_rot180_lane_f32): New.
8450         (vcmla_rot180_laneq_f32): New.
8451         (vcmlaq_rot180_lane_f32): New.
8452         (vcmlaq_rot180_laneq_f32): New.
8453         (vcmla_rot270_f32): New.
8454         (vcmlaq_rot270_f32): New.
8455         (vcmlaq_rot270_f64): New.
8456         (vcmla_rot270_lane_f32): New.
8457         (vcmla_rot270_laneq_f32): New.
8458         (vcmlaq_rot270_lane_f32): New.
8459         (vcmlaq_rot270_laneq_f32): New.
8460         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8461         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8462         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8463         (FCADD, FCMLA): New.
8464         (rot): New.
8465         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8466
8467 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8468
8469         PR other/16615
8470
8471         * config/pa/pa.c: Change "can not" to "cannot".
8472         * gimple-ssa-evrp-analyze.c: Likewise.
8473         * ipa-icf.c: Likewise.
8474         * ipa-polymorphic-call.c: Likewise.
8475         * ipa-pure-const.c: Likewise.
8476         * lra-constraints.c: Likewise.
8477         * lra-remat.c: Likewise.
8478         * reload1.c: Likewise.
8479         * reorg.c: Likewise.
8480         * tree-ssa-uninit.c: Likewise.
8481
8482 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8483
8484         PR other/16615
8485
8486         * Makefile.in: Mechanically replace "can not" with "cannot".
8487         * alias.c: Likewise.
8488         * builtins.c: Likewise.
8489         * calls.c: Likewise.
8490         * cgraph.c: Likewise.
8491         * cgraph.h: Likewise.
8492         * cgraphclones.c: Likewise.
8493         * cgraphunit.c: Likewise.
8494         * combine-stack-adj.c: Likewise.
8495         * combine.c: Likewise.
8496         * common/config/i386/i386-common.c: Likewise.
8497         * config/aarch64/aarch64.c: Likewise.
8498         * config/alpha/sync.md: Likewise.
8499         * config/arc/arc.c: Likewise.
8500         * config/arc/predicates.md: Likewise.
8501         * config/arm/arm-c.c: Likewise.
8502         * config/arm/arm.c: Likewise.
8503         * config/arm/arm.h: Likewise.
8504         * config/arm/arm.md: Likewise.
8505         * config/arm/cortex-r4f.md: Likewise.
8506         * config/csky/csky.c: Likewise.
8507         * config/csky/csky.h: Likewise.
8508         * config/darwin-f.c: Likewise.
8509         * config/epiphany/epiphany.md: Likewise.
8510         * config/i386/i386.c: Likewise.
8511         * config/i386/sol2.h: Likewise.
8512         * config/m68k/m68k.c: Likewise.
8513         * config/mcore/mcore.h: Likewise.
8514         * config/microblaze/microblaze.md: Likewise.
8515         * config/mips/20kc.md: Likewise.
8516         * config/mips/sb1.md: Likewise.
8517         * config/nds32/nds32.c: Likewise.
8518         * config/nds32/predicates.md: Likewise.
8519         * config/pa/pa.c: Likewise.
8520         * config/rs6000/e300c2c3.md: Likewise.
8521         * config/rs6000/rs6000.c: Likewise.
8522         * config/s390/s390.h: Likewise.
8523         * config/sh/sh.c: Likewise.
8524         * config/sh/sh.md: Likewise.
8525         * config/spu/vmx2spu.h: Likewise.
8526         * cprop.c: Likewise.
8527         * dbxout.c: Likewise.
8528         * df-scan.c: Likewise.
8529         * doc/cfg.texi: Likewise.
8530         * doc/extend.texi: Likewise.
8531         * doc/fragments.texi: Likewise.
8532         * doc/gty.texi: Likewise.
8533         * doc/invoke.texi: Likewise.
8534         * doc/lto.texi: Likewise.
8535         * doc/md.texi: Likewise.
8536         * doc/objc.texi: Likewise.
8537         * doc/rtl.texi: Likewise.
8538         * doc/tm.texi: Likewise.
8539         * dse.c: Likewise.
8540         * emit-rtl.c: Likewise.
8541         * emit-rtl.h: Likewise.
8542         * except.c: Likewise.
8543         * expmed.c: Likewise.
8544         * expr.c: Likewise.
8545         * fold-const.c: Likewise.
8546         * genautomata.c: Likewise.
8547         * gimple-fold.c: Likewise.
8548         * hard-reg-set.h: Likewise.
8549         * ifcvt.c: Likewise.
8550         * ipa-comdats.c: Likewise.
8551         * ipa-cp.c: Likewise.
8552         * ipa-devirt.c: Likewise.
8553         * ipa-fnsummary.c: Likewise.
8554         * ipa-icf.c: Likewise.
8555         * ipa-inline-transform.c: Likewise.
8556         * ipa-inline.c: Likewise.
8557         * ipa-polymorphic-call.c: Likewise.
8558         * ipa-profile.c: Likewise.
8559         * ipa-prop.c: Likewise.
8560         * ipa-pure-const.c: Likewise.
8561         * ipa-reference.c: Likewise.
8562         * ipa-split.c: Likewise.
8563         * ipa-visibility.c: Likewise.
8564         * ipa.c: Likewise.
8565         * ira-build.c: Likewise.
8566         * ira-color.c: Likewise.
8567         * ira-conflicts.c: Likewise.
8568         * ira-costs.c: Likewise.
8569         * ira-int.h: Likewise.
8570         * ira-lives.c: Likewise.
8571         * ira.c: Likewise.
8572         * ira.h: Likewise.
8573         * loop-invariant.c: Likewise.
8574         * loop-unroll.c: Likewise.
8575         * lower-subreg.c: Likewise.
8576         * lra-assigns.c: Likewise.
8577         * lra-constraints.c: Likewise.
8578         * lra-eliminations.c: Likewise.
8579         * lra-lives.c: Likewise.
8580         * lra-remat.c: Likewise.
8581         * lra-spills.c: Likewise.
8582         * lra.c: Likewise.
8583         * lto-cgraph.c: Likewise.
8584         * lto-streamer-out.c: Likewise.
8585         * postreload-gcse.c: Likewise.
8586         * predict.c: Likewise.
8587         * profile-count.h: Likewise.
8588         * profile.c: Likewise.
8589         * recog.c: Likewise.
8590         * ree.c: Likewise.
8591         * reload.c: Likewise.
8592         * reload1.c: Likewise.
8593         * reorg.c: Likewise.
8594         * resource.c: Likewise.
8595         * rtl.def: Likewise.
8596         * rtl.h: Likewise.
8597         * rtlanal.c: Likewise.
8598         * sched-deps.c: Likewise.
8599         * sched-ebb.c: Likewise.
8600         * sched-rgn.c: Likewise.
8601         * sel-sched-ir.c: Likewise.
8602         * sel-sched.c: Likewise.
8603         * shrink-wrap.c: Likewise.
8604         * simplify-rtx.c: Likewise.
8605         * symtab.c: Likewise.
8606         * target.def: Likewise.
8607         * toplev.c: Likewise.
8608         * tree-call-cdce.c: Likewise.
8609         * tree-cfg.c: Likewise.
8610         * tree-complex.c: Likewise.
8611         * tree-core.h: Likewise.
8612         * tree-eh.c: Likewise.
8613         * tree-inline.c: Likewise.
8614         * tree-loop-distribution.c: Likewise.
8615         * tree-nrv.c: Likewise.
8616         * tree-profile.c: Likewise.
8617         * tree-sra.c: Likewise.
8618         * tree-ssa-alias.c: Likewise.
8619         * tree-ssa-dce.c: Likewise.
8620         * tree-ssa-dom.c: Likewise.
8621         * tree-ssa-forwprop.c: Likewise.
8622         * tree-ssa-loop-im.c: Likewise.
8623         * tree-ssa-loop-ivcanon.c: Likewise.
8624         * tree-ssa-loop-ivopts.c: Likewise.
8625         * tree-ssa-loop-niter.c: Likewise.
8626         * tree-ssa-phionlycprop.c: Likewise.
8627         * tree-ssa-phiopt.c: Likewise.
8628         * tree-ssa-propagate.c: Likewise.
8629         * tree-ssa-threadedge.c: Likewise.
8630         * tree-ssa-threadupdate.c: Likewise.
8631         * tree-ssa-uninit.c: Likewise.
8632         * tree-ssanames.c: Likewise.
8633         * tree-streamer-out.c: Likewise.
8634         * tree.c: Likewise.
8635         * tree.h: Likewise.
8636         * vr-values.c: Likewise.
8637
8638 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8639
8640         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8641         (ix86_split_xorsign): Ditto.
8642         * config/i386/i386.c (ix86_expand_xorsign): New function.
8643         (ix86_split_xorsign): Ditto.
8644         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8645         (xorsign<mode>3): New expander.
8646         (xorsign<mode>3_1): New insn_and_split pattern.
8647         * config/i386/sse.md (xorsign<mode>3): New expander.
8648
8649 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8650
8651         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8652         (*tablejump_sp64): Likewise.
8653         (*tablejump<P:mode>): ...this.
8654         (*call_address_sp32): Merge into...
8655         (*call_address_sp64): Likewise.
8656         (*call_address<P:mode>): ...this.
8657         (*call_symbolic_sp32): Merge into...
8658         (*call_symbolic_sp64): Likewise.
8659         (*call_symbolic<P:mode>): ...this.
8660         (call_value): Remove constraint and add predicate.
8661         (*call_value_address_sp32): Merge into...
8662         (*call_value_address_sp64): Likewise.
8663         (*call_value_address<P:mode>): ...this.
8664         (*call_value_symbolic_sp32): Merge into...
8665         (*call_value_symbolic_sp64): Likewise.
8666         (*call_value_symbolic<P:mode>): ...this.
8667         (*sibcall_symbolic_sp32): Merge into...
8668         (*sibcall_symbolic_sp64): Likewise.
8669         (*sibcall_symbolic<P:mode>): ...this.
8670         (sibcall_value): Remove constraint and add predicate.
8671         (*sibcall_value_symbolic_sp32): Merge into...
8672         (*sibcall_value_symbolic_sp64): Likewise.
8673         (*sibcall_value_symbolic<P:mode>): ...this.
8674         (window_save): Minor tweak.
8675         (*branch_sp32): Merge into...
8676         (*branch_sp64): Likewise.
8677         (*branch<P:mode>): ...this.
8678
8679 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8680             James Clarke  <jrtc27@jrtc27.com>
8681
8682         PR target/84010
8683         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8684         consistently in TLS address generation and adjust code to the renaming
8685         of patterns.  Mark calls to __tls_get_addr as const.
8686         * config/sparc/sparc.md (tgd_hi22): Turn into...
8687         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8688         (tgd_lo10): Turn into...
8689         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8690         (tgd_add32): Merge into...
8691         (tgd_add64): Likewise.
8692         (tgd_add<P:mode>): ...this and use Pmode throughout.
8693         (tldm_hi22): Turn into...
8694         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8695         (tldm_lo10): Turn into...
8696         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8697         (tldm_add32): Merge into...
8698         (tldm_add64): Likewise.
8699         (tldm_add<P:mode>): ...this and use Pmode throughout.
8700         (tldm_call32): Merge into...
8701         (tldm_call64): Likewise.
8702         (tldm_call<P:mode>): ...this and use Pmode throughout.
8703         (tldo_hix22): Turn into...
8704         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8705         (tldo_lox10): Turn into...
8706         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8707         (tldo_add32): Merge into...
8708         (tldo_add64): Likewise.
8709         (tldo_add<P:mode>): ...this and use Pmode throughout.
8710         (tie_hi22): Turn into...
8711         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8712         (tie_lo10): Turn into...
8713         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8714         (tie_ld64): Use DImode throughout.
8715         (tie_add32): Merge into...
8716         (tie_add64): Likewise.
8717         (tie_add<P:mode>): ...this and use Pmode throughout.
8718         (tle_hix22_sp32): Merge into...
8719         (tle_hix22_sp64): Likewise.
8720         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8721         (tle_lox22_sp32): Merge into...
8722         (tle_lox22_sp64): Likewise.
8723         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8724         (*tldo_ldub_sp32): Merge into...
8725         (*tldo_ldub_sp64): Likewise.
8726         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8727         (*tldo_ldub1_sp32): Merge into...
8728         (*tldo_ldub1_sp64): Likewise.
8729         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8730         (*tldo_ldub2_sp32): Merge into...
8731         (*tldo_ldub2_sp64): Likewise.
8732         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8733         (*tldo_ldsb1_sp32): Merge into...
8734         (*tldo_ldsb1_sp64): Likewise.
8735         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8736         (*tldo_ldsb2_sp32): Merge into...
8737         (*tldo_ldsb2_sp64): Likewise.
8738         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8739         (*tldo_ldub3_sp64): Use DImode throughout.
8740         (*tldo_ldsb3_sp64): Likewise.
8741         (*tldo_lduh_sp32): Merge into...
8742         (*tldo_lduh_sp64): Likewise.
8743         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8744         (*tldo_lduh1_sp32): Merge into...
8745         (*tldo_lduh1_sp64): Likewise.
8746         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8747         (*tldo_ldsh1_sp32): Merge into...
8748         (*tldo_ldsh1_sp64): Likewise.
8749         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8750         (*tldo_lduh2_sp64): Use DImode throughout.
8751         (*tldo_ldsh2_sp64): Likewise.
8752         (*tldo_lduw_sp32): Merge into...
8753         (*tldo_lduw_sp64): Likewise.
8754         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8755         (*tldo_lduw1_sp64): Use DImode throughout.
8756         (*tldo_ldsw1_sp64): Likewise.
8757         (*tldo_ldx_sp64): Likewise.
8758         (*tldo_stb_sp32): Merge into...
8759         (*tldo_stb_sp64): Likewise.
8760         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8761         (*tldo_sth_sp32): Merge into...
8762         (*tldo_sth_sp64): Likewise.
8763         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
8764         (*tldo_stw_sp32): Merge into...
8765         (*tldo_stw_sp64): Likewise.
8766         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
8767         (*tldo_stx_sp64): Use DImode throughout.
8768
8769 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8770
8771         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
8772         check configure option to set BTI and Return Address Signing.
8773         * configure.ac: Add --enable-standard-branch-protection and
8774         --disable-standard-branch-protection.
8775         * configure: Regenerated.
8776         * doc/install.texi: Document the same.
8777
8778 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8779             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8780
8781         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
8782         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
8783         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
8784         if bti is enabled.
8785         * config/aarch64/aarch64-bti-insert.c: New file.
8786         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
8787         pass.
8788         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
8789         new bti pass.
8790         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
8791         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
8792         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
8793         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
8794
8795 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8796
8797         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
8798         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
8799         Disable bti for -mbranch-protection=none.
8800         (aarch64_handle_standard_branch_protection): Enable bti for
8801         -mbranch-protection=standard.
8802         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
8803         -mbranch-protection.
8804         (aarch64_bti_enabled): Check if bti is enabled.
8805         * config/aarch64/aarch64.opt: Declare target variable.
8806         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
8807
8808 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8809
8810         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
8811         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
8812         (aarch64_expand_epilogue): Likewise.
8813         (aarch64_output_mi_thunk): Likewise
8814         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
8815         TAILCALL_ADDR_REGS to x16 and x17.
8816         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
8817
8818 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8819
8820         * config/aarch64/aarch64-option-extensions.def: Define
8821         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
8822         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
8823         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
8824         (AARCH64_FL_PREDRES): New.
8825         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
8826         AARCH64_FL_PREDRES by default.
8827         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
8828
8829 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
8830
8831         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
8832         ARMv8.5-A.
8833         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
8834         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
8835         * doc/invoke.texi: Document ARMv8.5-A.
8836
8837 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
8838
8839         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
8840         (xorsign<mode>3): Likewise.
8841
8842 2019-01-09  Jelinek  <jakub@redhat.com>
8843
8844         PR middle-end/88758
8845         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
8846         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
8847
8848         PR rtl-optimization/88331
8849         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
8850         not currently_expanding_to_rtl.
8851
8852 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8853
8854         * doc/invoke.texi (-Os): Remove trailing spaces.
8855         (-finline-functions): Remove reference to -O2.
8856
8857 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
8858
8859         PR rtl-optimization/79593
8860         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
8861
8862         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
8863         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
8864
8865 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
8866
8867         PR bootstrap/88721
8868         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
8869         to -1 on entry.
8870
8871         PR debug/88723
8872         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
8873         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
8874
8875 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8876
8877         PR target/88717
8878         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
8879         ix86_avx_u128_mode_entry.
8880
8881 2019-01-08  Martin Liska  <mliska@suse.cz>
8882
8883         PR tree-optimization/88753
8884         * tree-switch-conversion.c (switch_conversion::build_one_array):
8885         Come up with local variable constructor.  Convert first to
8886         type of constructor values.
8887
8888 2019-01-08  Richard Biener  <rguenther@suse.de>
8889
8890         PR tree-optimization/86554
8891         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
8892         rpo_avail): Move earlier.
8893         (visit_nary_op): When value-numbering to expressions
8894         with different overflow behavior make sure there's an
8895         available expression on the path.
8896
8897 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
8898
8899         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
8900         aarch64_parse_branch_protection,
8901         struct aarch64_branch_protect_type,
8902         aarch64_handle_no_branch_protection,
8903         aarch64_handle_standard_branch_protection,
8904         aarch64_validate_mbranch_protection,
8905         aarch64_handle_pac_ret_protection,
8906         aarch64_handle_attr_branch_protection,
8907         accepted_branch_protection_string,
8908         aarch64_pac_ret_subtypes,
8909         aarch64_branch_protect_types,
8910         aarch64_handle_pac_ret_leaf): Define.
8911         (aarch64_override_options_after_change_1, aarch64_override_options):
8912         Add check for accepted_branch_protection_string.
8913         (aarch64_option_save): Save accepted_branch_protection_string.
8914         (aarch64_option_restore): Save accepted_branch_protection_string.
8915         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
8916         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
8917         msign-return-address.
8918         * doc/invoke.texi: Add mbranch-protection.
8919
8920 2019-01-08  Alan Modra  <amodra@gmail.com>
8921
8922         PR target/88614
8923         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
8924         Delete "unknownp" parameter.  Adjust callers.  Handle
8925         CONST_INT, PLUS, MINUS, and MULT.
8926         (attr_value_aligned): Renamed from or_attr_value.
8927         (min_attr_value): Return INT_MIN for unhandled rtl case..
8928         (min_fn): ..and translate to INT_MAX here.
8929         (write_length_unit_log): Modify to cope without "unknown".
8930         (write_attr_value): Handle IF_THEN_ELSE.
8931
8932 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8933
8934         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
8935         optimization for masked stores.
8936
8937 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8938
8939         PR middle-end/88567
8940         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
8941         output vector directly to duplicate_and_interleave instead of
8942         going through a temporary.  Postpone insertion of ctor_seq to
8943         the end of the loop.
8944
8945 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
8946
8947         PR target/86891
8948         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
8949         unsigned_p.  Handle signed and unsigned overflow correction as
8950         required.
8951         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
8952         prototype.
8953         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
8954         for operand 2.
8955         (add<mode>3_compareV_imm): Make this callable for expanding.
8956         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
8957         aarch64_plus_operand for operand 2.
8958         (subv<GPI:mode>_insn): New insn pattern.
8959         (subv<GPI:mode>_imm): Likewise.
8960         (negv<GPI:mode>3): New expand pattern.
8961         (negv<GPI:mode>_insn): New insn pattern.
8962         (negv<GPI:mode>_cmp_only): Likewise.
8963         (cmpv<GPI:mode>_insn): Likewise.
8964         (subvti4): Use register_operand for operand 1.  Update call to
8965         aarch64_expand_subvti.
8966         (usubvti4): Likewise.
8967         (negvti3): New expand pattern.
8968         (negdi_carryout): New insn pattern.
8969         (negvdi_carryinV): New insn pattern.
8970         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
8971         version the named version.
8972         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
8973         operands.
8974         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
8975         patterns.
8976         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
8977         patterns.
8978         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
8979         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
8980         (sub<mode>3_carryinCV): Delete.
8981         (sub<GPI:mode>3_carryinV): New expand pattern.
8982         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
8983
8984 2019-01-07  Richard Biener  <rguenther@suse.de>
8985
8986         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
8987         of tree_operand_hash.
8988
8989 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8990
8991         PR tree-optimization/88598
8992         * tree.h (single_nonzero_element): Declare.
8993         * tree.c (single_nonzero_element): New function.
8994         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
8995         if I is the only nonzero element of CST.
8996
8997 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
8998
8999         PR tree-optimization/88598
9000         * tree.h (initializer_each_zero_or_onep): Declare.
9001         * tree.c (initializer_each_zero_or_onep): New function.
9002         (signed_or_unsigned_type_for): Handle float types too.
9003         (unsigned_type_for, signed_type_for): Update comments accordingly.
9004         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9005         x & { 0 or -1, 0 or -1, ... }.
9006
9007 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9008
9009         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9010         with x86_64-pc-linux-gnu.
9011
9012 2019-01-07  Tom de Vries  <tdevries@suse.de>
9013
9014         PR target/85486
9015         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9016         function.
9017         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9018         routines.
9019
9020 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9021
9022         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9023         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9024         TARGET_AVX512F as condition.
9025
9026         PR debug/88723
9027         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9028         const_not_ok_for_debug_p target hook.
9029         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9030         on UNSPEC and subexpressions thereof if all subexpressions of the
9031         UNSPEC are CONSTANT_P.
9032
9033         PR tree-optimization/88676
9034         * tree-ssa-phiopt.c (two_value_replacement): New function.
9035         (tree_ssa_phiopt_worker): Call it.
9036
9037         PR sanitizer/88619
9038         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9039         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9040
9041         PR c++/85052
9042         * tree-vect-generic.c: Include insn-config.h and recog.h.
9043         (expand_vector_piecewise): Add defaulted ret_type argument,
9044         if non-NULL, use that in preference to type for the result type.
9045         (expand_vector_parallel): Formatting fix.
9046         (do_vec_conversion, do_vec_narrowing_conversion,
9047         expand_vector_conversion): New functions.
9048         (expand_vector_operations_1): Call expand_vector_conversion
9049         for VEC_CONVERT ifn calls.
9050         * internal-fn.def (VEC_CONVERT): New internal function.
9051         * internal-fn.c (expand_VEC_CONVERT): New function.
9052         * fold-const-call.c (fold_const_vec_convert): New function.
9053         (fold_const_call): Use it for CFN_VEC_CONVERT.
9054         * doc/extend.texi (__builtin_convertvector): Document.
9055
9056 2019-01-07  Tom de Vries  <tdevries@suse.de>
9057
9058         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9059         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9060         vector_red_partition, vector_red_sym): New global variables.
9061         (nvptx_option_override): Initialize vector_red_sym.
9062         (nvptx_declare_function_name): Restore red_partition register.
9063         (nvptx_file_end): Emit code to declare the vector reduction variables.
9064         (nvptx_output_red_partition): New function.
9065         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9066         large vector reductions.
9067         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9068         (nvptx_init_builtins): Add VECTOR_ADDR.
9069         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9070         Handle nvptx_expand_shared_addr.
9071         (nvptx_get_shared_red_addr): Add vector argument and handle large
9072         vectors.
9073         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9074         large vectors.
9075         (nvptx_goacc_reduction_init): Likewise.
9076         (nvptx_goacc_reduction_fini): Likewise.
9077         (nvptx_goacc_reduction_teardown): Likewise.
9078         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9079         init,fini,teardown}.
9080         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9081         (nvptx_set_current_function): Init vector_red_partition.
9082         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9083         (nvptx_red_partition): New insn.
9084         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9085
9086 2019-01-07  Tom de Vries  <tdevries@suse.de>
9087
9088         PR target/85381
9089         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9090         empty loops.
9091
9092 2019-01-07  Tom de Vries  <tdevries@suse.de>
9093
9094         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9095         (nvptx_option_override): Init oacc_bcast_partition.
9096         (nvptx_init_oacc_workers): New function.
9097         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9098         (nvptx_needs_shared_bcast): New function.
9099         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9100         to propagate state.
9101         (nvptx_shared_propagate): Initialize vector bcast partition and
9102         synchronization state.
9103         (nvptx_single):  Generalize to enable vectors to use shared-memory
9104         to propagate state.
9105         (nvptx_process_pars): Likewise.
9106         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9107         * config/nvptx/nvptx.h (struct machine_function): Add
9108         bcast_partition and sync_bar members.
9109
9110 2019-01-07  Tom de Vries  <tdevries@suse.de>
9111
9112         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9113         (nvptx_apply_dim_limits): New function.
9114         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9115         PTX_WARP_SIZE.
9116
9117 2019-01-07  Tom de Vries  <tdevries@suse.de>
9118
9119         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9120         as late as possible.
9121
9122 2019-01-07  Tom de Vries  <tdevries@suse.de>
9123
9124         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9125         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9126         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9127         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9128         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9129
9130 2019-01-07  Tom de Vries  <tdevries@suse.de>
9131
9132         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9133
9134 2019-01-07  Tom de Vries  <tdevries@suse.de>
9135
9136         * omp-offload.c (oacc_get_min_dim): New function.
9137         * omp-offload.h (oacc_get_min_dim): Declare.
9138
9139 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9140
9141         PR target/88521
9142         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9143         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9144
9145 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9146
9147         PR tree-opt/86020
9148         Revert:
9149         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9150
9151         * ipa-inline.c (edge_badness): Use inlined_time instead of
9152         inline_summaries->get.
9153
9154 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9155
9156         * opts.c (enable_fdo_optimizations): Enable
9157         version-loops-for-strides, loop-interchange, unrol-and-jam
9158         and tree-loop-distribution.
9159         * invoke.texi: Document newly enabled options.
9160
9161 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9162
9163         * doc/invoke.texi (max-inline-insns-small): New parameters.
9164         * ipa-inline.c (want_early_inline_function_p): simplify.
9165         (want_inline_small_function_p): Fix pasto from previous patch;
9166         use max-inline-insns-small bound.
9167         * params.def (max-inline-insns-small): New param.
9168         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9169         variables correctly.
9170
9171 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9172
9173         * doc/invoke.texi: Document max-inline-insns-size,
9174         uninlined-function-insns, uninlined-function-time,
9175         uninlined-thunk-insns and uninlined-thunk-time.
9176         * params.def: Add max-inline-insns-size,
9177         uninlined-function-insns, uninlined-function-time,
9178         uninlined-thunk-insns and uninlined-thunk-time.
9179         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9180         new parameters.
9181         * ipa-inline.c (can_inline_edge_by_limits_p,
9182         want_inline_small_function_p): Use new parameters.
9183
9184 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9185
9186         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9187
9188 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9189
9190         PR middle-end/82564
9191         PR target/88620
9192         * expr.c (expand_assignment): For calls returning VLA structures
9193         if to_rtx is not a MEM, force it into a stack temporary.
9194
9195         PR debug/88635
9196         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9197         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9198         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9199         subexpressions of both operands.
9200         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9201         subrtxes are CONSTANT_P.
9202         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9203         2018-11-09 changes.
9204
9205 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9206
9207         * params.def (hot-bb-count-ws-permille): Set to 990.
9208
9209 2019-01-04  Martin Sebor  <msebor@redhat.com>
9210
9211         PR c/88546
9212         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9213         leaf.
9214
9215 2019-01-04  Martin Sebor  <msebor@redhat.com>
9216
9217         PR c/88363
9218         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9219
9220 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9221
9222         * gdbinit.in: Turn off pagination for the skip commands, restore
9223         it to previous state afterwards.
9224
9225 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9226
9227         PR target/88594
9228         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9229         of GET_MODE (opN) as modes of the libcall arguments.
9230
9231 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9232
9233         * config/i386/sse.md
9234         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9235         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9236         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9237         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9238         avx512f_vmcmp<mode>3<round_saeonly_name>,
9239         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9240         avx512f_maskcmp<mode>3,
9241         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9242         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9243         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9244         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9245         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9246         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9247         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9248         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9249         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9250         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9251         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9252         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9253         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9254         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9255         avx512cd_maskb_vec_dup<mode>,
9256         avx512cd_maskw_vec_dup<mode>,
9257         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9258         avx512dq_vmfpclass<mode>,
9259         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9260         instead of =Yk.
9261
9262 2019-01-03  Martin Sebor  <msebor@redhat.com>
9263
9264         PR tree-optimization/88659
9265         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9266
9267 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9268
9269         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9270         unaligned vsx and avoid lxvd2x/stxvd2x.
9271         (gen_lvx_v4si_move): New function.
9272
9273 2019-01-03  Tom de Vries  <tdevries@suse.de>
9274
9275         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9276         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9277         function.
9278         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9279
9280 2019-01-03  Tom de Vries  <tdevries@suse.de>
9281
9282         * config/nvptx/nvptx.c (struct offload_attrs): New.
9283         (populate_offload_attrs): New function.  Factor mask extraction out of
9284         nvptx_reorg.  Add extraction of dimensions.
9285         (nvptx_reorg): Use populate_offload_attrs.
9286
9287 2019-01-03  Tom de Vries  <tdevries@suse.de>
9288
9289         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9290         cases for oacc_min_dims_p and routine_p.  Add asserts for
9291         oacc_default_dims_p and offload_region_p.
9292
9293 2019-01-03  Tom de Vries  <tdevries@suse.de>
9294
9295         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9296         factored out of ...
9297         (nvptx_goacc_validate_dims): ... here.
9298
9299 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9300
9301         PR tree-optimization/85574
9302         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9303         structure.
9304         (struct ssa_equip_hash_traits): Declare.
9305         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9306
9307 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9308
9309         PR debug/88644
9310         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9311         change it to qualified_type.
9312
9313 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9314
9315         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9316         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9317
9318 2019-01-02  Martin Sebor  <msebor@redhat.com>
9319             Jeff Law  <law@redhat.com>
9320
9321         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9322         (get_range_strlen_tree): Update appropriately.
9323         (get_range_strlen)
9324         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9325
9326         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9327         rather than set_range_info.
9328         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9329         maybe_set_strlen_range.  Handle potentially boundary crossing
9330         cases more conservatively.
9331         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9332         Call set_strlen_range.
9333         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9334
9335         PR middle-end/88663
9336         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9337         need the flexp argument.
9338         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9339         from calls to get_range_strlen.  Update comments.  Just update
9340         VAL for an unterminated const char array and let the reset of the
9341         code handle it normally.  No longer try to set *flexp.  Adjust
9342         return value.
9343         (get_range_strlen): Update for the new get_range_strlen API.
9344         (get_maxval_strlen): Similarly.
9345         (gimple_fold_builtin_strlen): Handle update meaning of return value
9346         from get_range_strlen.
9347         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9348         get_range_strlen API.
9349
9350 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9351
9352         PR lto/88130
9353         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9354         false at WPA time when body was removed.
9355
9356 2019-01-02  Martin Liska  <mliska@suse.cz>
9357
9358         PR tree-optimization/88650
9359         * predict.c (set_even_probabilities): Calculate probability
9360         remainer only when really used.
9361
9362 2019-01-02  Richard Biener  <rguenther@suse.de>
9363
9364         PR middle-end/88651
9365         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9366         widest_ints when mangling max_stmt_execution results.
9367
9368 2019-01-02  Richard Biener  <rguenther@suse.de>
9369
9370         PR tree-optimization/88621
9371         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9372         bitfields when canoncalizing.
9373
9374 2019-01-02  Richard Biener  <rguenther@suse.de>
9375
9376         PR target/87545
9377         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9378         cost of cheap SSE instruction.
9379
9380 2019-01-02  Richard Biener  <rguenther@suse.de>
9381
9382         PR ipa/85574
9383         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9384         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9385         function.
9386         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9387         set after UIDs before splitting them.
9388
9389 2019-01-01  Martin Sebor  <msebor@redhat.com>
9390             Jeff Law  <law@redhat.com>
9391
9392         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9393         length is optimistic.  If it is, then arrange to compute the
9394         conservative length as well.
9395
9396         * gimple-fold.h (get_range_strlen): Update prototype.
9397         * builtins.c (check_access): Update call to get_range_strlen to use
9398         c_strlen_data pointer.   Change various variable accesses to instead
9399         pull data from the c_strlen_data structure.
9400         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9401         * calls.c (maybe_warn_nonstring_arg): Likewise.
9402         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9403         minimum length if maximum lengh is unknown.
9404         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9405         that used c_strlen, it's no longer needed.  Restructure slightly.
9406         (format_string): Set unlikely range appropriately.
9407         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9408         formatting issues.
9409         (get_range_strlen):  Accept c_strlen_data pointer for external
9410         call sites as well.  Pass through to call to internal get_range_strlen.
9411         Adjust minlen, maxlen and maxbound as needed.
9412         (get_maxval_strlen): Update comments.
9413         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9414         to use c_strlen_data pointer.  Change variable accesses to instead
9415         use c_strlen_data data members.
9416
9417         * gimple-fold.c (get_range_strlen): Update prototype.
9418         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9419         local variables.  Use pdata to return information to caller.
9420         Update calls to get_range_strlen.  Update pdata->maxbound.
9421         (get_range_strlen -- static version): Similarly.
9422         (get_range_strlen -- extern version): Update for internal
9423         get_range_strlen API change.  Convert to external data format.
9424         (get_maxval_strlen): Similarly.
9425
9426 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9427
9428         * coverage.c (get_coverage_counts): Use current_function_decl.
9429         * profile.c (read_thunk_profile): New function.
9430         (branch_prob): Add THUNK parameter.
9431         * tree-profile.c (tree_profiling): Handle thunks.
9432         * value-prof.c (init_node_map): Handle thunks.
9433         * value-prof.h (branch_prob): Upate prototype.
9434         (read_thunk_profile): Declare.
9435
9436 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9437
9438         Update copyright years.
9439
9440         * gcc.c (process_command): Update copyright notice dates.
9441         * gcov-dump.c (print_version): Ditto.
9442         * gcov.c (print_version): Ditto.
9443         * gcov-tool.c (print_version): Ditto.
9444         * gengtype.c (create_file): Ditto.
9445         * doc/cpp.texi: Bump @copying's copyright year.
9446         * doc/cppinternals.texi: Ditto.
9447         * doc/gcc.texi: Ditto.
9448         * doc/gccint.texi: Ditto.
9449         * doc/gcov.texi: Ditto.
9450         * doc/install.texi: Ditto.
9451         * doc/invoke.texi: Ditto.
9452 \f
9453 Copyright (C) 2019 Free Software Foundation, Inc.
9454
9455 Copying and distribution of this file, with or without modification,
9456 are permitted in any medium without royalty provided the copyright
9457 notice and this notice are preserved.