gcc/ChangeLog

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