gcc/ChangeLog

   1 2019-05-27  Richard Biener  <rguenther@suse.de>
   2
   3         PR middle-end/90610
   4         * match.pd (vec_perm): Avoid clobbering op0 when not generating
   5         a bit-insert.
   6
   7 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
   8
   9         * config/i386/i386.md (@leave_<mode>): New expander.
  10         (*leave): Rename from leave.
  11         (*leave_rex64): Rename from leave_rex64.
  12         (@monitorx_<mode>): Rename from monitorx_<mode>.
  13         (@clzero_<mode>): Rename from clzero_<mode>.
  14         * config/i386/sse.md (@sse3_monitor_<mode>): Rename from
  15         sse3_monitor_<mode>.
  16         * config/i386/i386.c (*ix86_gen_leave): Remove indirect function.
  17         (*ix86_gen_monitor): Ditto.
  18         (*ix86_gen_monitorx): Ditto.
  19         (*ix86_gen_clzero): Ditto.
  20         (*ix86_gen_one_cmpl2): Ditto.
  21         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
  22         * config/i386/i386-expand.c (ix86_expand_builtin)
  23         <case IX86_BUILTIN_MONITOR>: Use gen_sse3_monitor
  24         instead of ix86_gen_monitor.
  25         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
  26         instead of ix86_gen_monitorx.
  27         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
  28         instead of ix86_gen_clzero.
  29         * config/i386/i386-options.c (ix86_option_override_internal):
  30         Do not initialize ix86_gen_leave, ix86_gen_monitor,
  31         ix86_gen_monitorx, ix86_gen_clzero and ix86_gen_one_cmpl2.
  32
  33 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
  34
  35         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
  36         Rename from tls_global_dynamic_64_<mode>.
  37         (@tls_local_dynamic_base_64_<mode>): Rename from
  38         tls_local_dynamic_base_64_<mode>.
  39         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
  40         Remove indirect function.
  41         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
  42         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
  43         instead of ix86_gen_tls_global_dynamic_64.
  44         Use gen_tls_local_dynamic_base_64 instead of
  45         ix86_gen_tls_local_dynamic_base_64.
  46         * config/i386/i386-options.c (ix86_option_override_internal):
  47         Do not initialize ix86_gen_tls_global_dynamic_64 and
  48         ix86_gen_tls_local_dynamic_base_64.
  49
  50 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
  51
  52         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
  53         Rename from pro_epilogue_adjust_stack_<mode>_add.
  54         (@pro_epilogue_adjust_stack_sub_<mode>)
  55         Rename from pro_epilogue_adjust_stack_<mode>_sub.
  56         (@allocate_stack_worker_probe_<mode>):
  57         Rename from allocate_stack_worker_probe_<mode>.
  58         (allocate_stack): Use gen_allocate_stack_worker_probe.
  59         (probe_stack): Use gen_probe_stack_1.
  60         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
  61         (@adjust_stack_and_probe_<mode>): Rename from
  62         adjust_stack_and_probe<mode>.
  63         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
  64         (stack_protect_set): Use gen_stack_protect_set_1.
  65         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
  66         (stack_protect_test): Use gen_stack_protect_test_1.
  67         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
  68         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
  69         Remove indirect function.
  70         (*ix86_gen_adjust_stack_and_probe): Ditto.
  71         (*ix86_gen_probe_stack_range): Ditto.
  72         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
  73         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
  74         (ix86_adjust_stack_and_probe_stack_clash): Use
  75         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
  76         (ix86_adjust_stack_and_probe): Ditto.
  77         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
  78         of ix86_gen_probe_stack_range.
  79         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
  80         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
  81         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
  82         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
  83         CODE_FOR_stack_protect_test_{si,di}.
  84         * config/i386/i386-options.c (ix86_option_override_internal):
  85         Do not initialize ix86_gen_allocate_stack_worker,
  86         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
  87
  88 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
  89
  90         * doc/invoke.texi (Link Options): Many editorial changes around
  91         -flinker-output.
  92
  93 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  94
  95         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
  96         pre-Solaris 11 referene and most Studio compiler details.
  97
  98 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
  99
 100         PR target/90530
 101         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 102         DImode to SImode in floating-point registers on 64-bit target.
 103         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 104         register_operand in xmpyu patterns.
 105
 106 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 107
 108         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 109         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 110         OMP_CLAUSE__REDUCTEMP_.
 111         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 112         OMP_CLAUSE__CONDTEMP_.
 113         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 114         * tree-pretty-print.c (dump_omp_clause): Likewise.
 115         * tree-nested.c (convert_nonlocal_omp_clauses,
 116         convert_local_omp_clauses): Likewise.
 117         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 118         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 119         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 120         on OMP_FOR.
 121         (gimplify_omp_for): Warn and disable conditional modifier from
 122         lastprivate on loop iterators.
 123         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 124         member.
 125         * omp-general.c (omp_extract_for_data): Initialize it.
 126         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 127         member.
 128         (delete_omp_context): Delete it.
 129         (lower_lastprivate_conditional_clauses): New function.
 130         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 131         handle lastprivate conditional clauses.
 132         (lower_reduction_clauses): Add CLIST argument, emit it into
 133         the critical section if any.
 134         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 135         lower_reduction_clauses callers.
 136         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 137         to lower_lastprivate_clauses.
 138         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 139         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 140         clist into a critical section if not emitted there already by
 141         lower_reduction_clauses.
 142         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 143         callers.
 144         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 145         conditional variables.
 146         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 147         clause is present.
 148         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 149         expand_omp_for_static_chunk): Handle lastprivate conditional.
 150         (expand_omp_for): Handle fd.lastprivate_conditional like
 151         fd.have_reductemp.
 152
 153 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 154
 155         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 156         kernel does not exit cleanly.
 157         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 158
 159 2019-05-24  Jason Merrill  <jason@redhat.com>
 160
 161         Revert:
 162         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 163
 164 2019-05-24  Richard Biener  <rguenther@suse.de>
 165
 166         PR testsuite/90607
 167         * tree-loop-distribution.c (struct partition): Add location
 168         member.
 169         (partition_alloc): Initialize all fields.
 170         (generate_memset_builtin): Use the location recorded in the
 171         partition for the generated call.
 172         (generate_memcpy_builtin): Likewise.
 173         (classify_partition): Record the location of a single store
 174         as location for the partition.
 175
 176 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 177
 178         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 179         for lo-part.
 180
 181 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 182
 183         PR target/90588
 184         * common/config/aarch64/aarch64-common.c
 185         (aarch64_rewrite_selected_cpu): Change local temporary variable
 186         type from unsigned long to uint64_t.
 187         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 188         aarch64_get_extension_string_for_isa_flags): Change declaration to
 189         match new definition by replacing unsigned long with uint64_t.
 190
 191 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 192
 193         PR target/90568
 194         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 195         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 196         Handle stack_protect_test_<mode> codegen similarly to corresponding
 197         sub instruction.
 198
 199 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 200
 201        * config/i386/darwin.h: Reject -mfentry*.
 202        * doc/sourcebuild.texi: Document mfentry target support.
 203
 204 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 205
 206         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 207         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 208         false for PC-relative functions.
 209         (rs6000_output_function_prologue): Change called function name to
 210         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 211         name,1" for PC-relative functions.
 212         (rs6000_elf_declare_function_name): Change called function name to
 213         rs6000_global_entry_point_prologue_needed_p.
 214
 215 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 216
 217         PR target/90552
 218         * config/i386/i386.c (gen_rtx_cost):
 219         Use ix86_tune_cost instead of ix86_cost.
 220
 221 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 222             Michael Meissner  <meissner@linux.ibm.com>
 223             Segher Boessenkool  <segher@kernel.crashing.org>
 224
 225         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 226         OPTION_MASK_PCREL.
 227         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 228         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 229         (rs6000_fndecl_pcrel_p): Likewise.
 230         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 231         error if -mpcrel is requested without -mcpu=future.
 232         (rs6000_opt_masks): Add entry for pcrel.
 233         (rs6000_fndecl_pcrel_p): New function.
 234         (rs6000_pcrel_p): Likewise.
 235         * config/rs6000/rs6000.opt (mpcrel): New option.
 236         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 237
 238 2019-05-23  Jan Hubicka  <jh@suse.cz>
 239             Martin Liska  <mliska@suse.cz>
 240
 241         PR tree-optimization/90576
 242         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 243         poly_int_tree_p.
 244         (aliasing_component_refs_p): Fix three way size compare conditional;
 245         give up earlier in case we can not decide on equivalence.
 246
 247 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 248             Michael Meissner  <meissner@linux.ibm.com>
 249             Segher Boessenkool  <segher@kernel.crashing.org>
 250
 251         * config.gcc: Add future cpu.
 252         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 253         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 254         #define.
 255         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 256         (RS6000_CPU): New instantiation for future cpu.
 257         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 258         PROCESSOR_FUTURE.
 259         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 260         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 261         * config/rs6000/rs6000-tables.opt: Regenerate.
 262         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 263         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 264         (rs6000_machine_from_flags): Handle future cpu.
 265         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 266         PROCESSOR_POWER9 for now.
 267         (rs6000_adjust_cost): Likewise.
 268         (rs6000_issue_rate): Likewise.
 269         (rs6000_register_move_cost): Likewise.
 270         (rs6000_opt_masks): Add entry for future.
 271         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 272         (MASK_FUTURE): New #define.
 273         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 274         * config/rs6000/rs6000.opt (mfuture): New target option.
 275         * doc/invoke.texi (mcpu): Add future cpu.
 276
 277 2019-05-23  Martin Liska  <mliska@suse.cz>
 278
 279         PR c++/90587
 280         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 281         operation points to a temporary (pointed via tree_to_wide_ref)
 282         that is out of scope after the &.
 283
 284 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 285
 286         PR c++/90592
 287         * doc/extend.texi (Function Names): Add missing word.
 288
 289 2019-05-23  Richard Biener  <rguenther@suse.de>
 290
 291         PR tree-optimization/88440
 292         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 293         at -O[2s]+.
 294         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 295         generated call.
 296         (generate_memcpy_builtin): Likewise.
 297         (distribute_loop): Pass in whether to only distribute patterns.
 298         (prepare_perfect_loop_nest): Also allow size optimization.
 299         (pass_loop_distribution::execute): When optimizing a loop
 300         nest for size allow pattern replacement.
 301
 302 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 303
 304         PR target/90568
 305         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 306         of xor.
 307
 308 2019-05-23  Martin Liska  <mliska@suse.cz>
 309
 310         PR sanitizer/90570
 311         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 312         expression similarly to gimplify_decl_expr.
 313
 314 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 315
 316         * cse.c (cse_dump_path): s/dump_file/f.
 317
 318 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 319
 320         PR c++/90462
 321         * diagnostic-format-json.cc: Include "selftest.h".
 322         (json_from_expanded_location): Only add "file" key for non-NULL
 323         file strings.
 324         (json_from_location_range): Don't add "start" and "finish"
 325         children if they are UNKNOWN_LOCATION.
 326         (selftest::test_unknown_location): New selftest.
 327         (selftest::test_bad_endpoints): New selftest.
 328         (selftest::diagnostic_format_json_cc_tests): New function.
 329         * json.cc (json::object::get): New function.
 330         (selftest::test_object_get): New selftest.
 331         (selftest::json_cc_tests): Call it.
 332         * json.h (json::object::get): New decl.
 333         * selftest-run-tests.c (selftest::run_tests): Call
 334         selftest::diagnostic_format_json_cc_tests.
 335         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 336         decl.
 337
 338 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 339             Andrew Stubbs  <amd@codesourcery.com>
 340
 341         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 342         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 343         (kernel): Rename to...
 344         (main_kernel): ... this.
 345         (load_image): Load _init_array and _fini_array kernels.
 346         (run): Add argument for kernel to run.
 347         (main): Run init_array_kernel before main_kernel, and
 348         fini_array_kernel after.
 349         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 350         amdgpu_hsa_kernel attribute on functions.
 351         (gcn_disable_constructors): Delete.
 352         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 353         * config/gcn/crt0.c (size_t): Define.
 354         (_init_array, _fini_array): New.
 355         (__preinit_array_start, __preinit_array_end,
 356         __init_array_start, __init_array_end,
 357         __fini_array_start, __fini_array_end): Declare weak references.
 358
 359 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 360
 361         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 362
 363 2019-05-22  Jason Merrill  <jason@redhat.com>
 364
 365         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 366
 367 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         PR target/88483
 370         * config/i386/i386-options.c (ix86_init_machine_status): Set
 371         stack_frame_required to true.
 372         * config/i386/i386.c (ix86_get_frame_size): New function.
 373         (ix86_frame_pointer_required): Replace get_frame_size with
 374         ix86_get_frame_size.
 375         (ix86_compute_frame_layout): Likewise.
 376         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 377         stack_frame_required.
 378         (ix86_finalize_stack_frame_flags): Always call
 379         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 380         ix86_get_frame_size.
 381         * config/i386/i386.h (machine_function): Add stack_frame_required.
 382
 383 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 384
 385         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 386
 387 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 388
 389         * common/config/aarch64/aarch64-common.c
 390         (struct aarch64_option_extension, struct processor_name_to_arch,
 391         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 392         aarch64_contains_opt,
 393         aarch64_get_extension_string_for_isa_flags): Change type of
 394         variables storing flags to uint64_t.
 395         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 396         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 397         * config/aarch64/aarch64.c (struct processor,
 398         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 399         aarch64_validate_march, aarch64_override_options,
 400         aarch64_option_print, aarch64_handle_attr_isa_flags,
 401         aarch64_declare_function_name, aarch64_start_file): Make flag
 402         variables uint64_t.
 403         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 404         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 405         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 406         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 407         * config/aarch64/driver-aarch64.c
 408         (struct aarch64_arch_extension, struct aarch64_core_data,
 409         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 410         flag variables uint64_t.
 411         * doc/invoke.texi: Add documentation for new arguments.
 412
 413 2019-05-22  Richard Biener  <rguenther@suse.de>
 414
 415         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 416         rewrite ...
 417         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 418
 419 2019-05-22  Martin Liska  <mliska@suse.cz>
 420
 421         PR lto/90500
 422         * doc/extend.texi: Document the change.
 423
 424 2019-05-22  Richard Biener  <rguenther@suse.de>
 425
 426         PR tree-optimization/90450
 427         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 428         (mem_ref_hasher::equal): Check it.
 429         (mem_ref_alloc): Initialize it.
 430         (gather_mem_refs_stmt): Set it.
 431
 432 2019-05-22  Richard Biener  <rguenther@suse.de>
 433
 434         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 435         Add ABS_EXPR.
 436         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 437         as ABSU_EXPR.
 438
 439 2019-05-22  Alan Modra  <amodra@gmail.com>
 440
 441         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 442         (ASM_CPU_SPEC): Conditionally add -many.
 443         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 444         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 445         (rs6000_file_start): ..extracted from here, and modified to
 446         test all ISA bits.
 447         (rs6000_output_function_prologue): Emit .machine as necessary.
 448         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 449         power mnemonics.
 450         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 451         added by check_vect_support_and_set_flags.
 452         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 453         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 454
 455 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 456
 457         PR middle-end/90553
 458         * ira-lives.c (process_bb_node_lives): Consider defs
 459         for a call insn to be die before the call, not after.
 460
 461         * function.c (assign_parm_setup_block): Raise alignment of
 462         stacked parameter only for STRICT_ALIGNMENT targets.
 463
 464 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 465
 466         * config/rs6000/constraints.md (define_register_constraint "wz"):
 467         Delete.
 468         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 469         RS6000_CONSTRAINT_wz.
 470         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 471         (rs6000_init_hard_regno_mode_ok): Adjust.
 472         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 473         * doc/md.texi (Machine Constraints): Adjust.
 474
 475 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 476
 477         * config/rs6000/constraints.md (define_register_constraint "wl"):
 478         Delete.
 479         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 480         RS6000_CONSTRAINT_wl.
 481         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 482         (rs6000_init_hard_regno_mode_ok): Adjust.
 483         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 484         * doc/md.texi (Machine Constraints): Adjust.
 485
 486 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 487
 488         * config/rs6000/constraints.md (define_register_constraint "wm"):
 489         Delete.
 490         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 491         RS6000_CONSTRAINT_wm.
 492         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 493         (rs6000_init_hard_regno_mode_ok): Adjust.
 494         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 495         * doc/md.texi (Machine Constraints): Adjust.
 496
 497 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 498
 499         * config/rs6000/constraints.md (define_register_constraint "wk"):
 500         Delete.
 501         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 502         RS6000_CONSTRAINT_wk.
 503         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 504         (rs6000_init_hard_regno_mode_ok): Adjust.
 505         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 506         * doc/md.texi (Machine Constraints): Adjust.
 507
 508 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 509
 510         * config/rs6000/constraints.md (define_register_constraint "wj"):
 511         Delete.
 512         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 513         RS6000_CONSTRAINT_wj.
 514         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 515         (rs6000_init_hard_regno_mode_ok): Adjust.
 516         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 517         (VS_64dm): Delete.
 518         * config/rs6000/vsx.md: Ditto.
 519         * doc/md.texi (Machine Constraints): Adjust.
 520
 521 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 522
 523         * config/rs6000/constraints.md (define_register_constraint "wh"):
 524         Delete.
 525         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 526         RS6000_CONSTRAINT_wh.
 527         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 528         (rs6000_init_hard_regno_mode_ok): Adjust.
 529         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 530         * doc/md.texi (Machine Constraints): Adjust.
 531
 532 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 533
 534         PR target/90547
 535         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 536         Avoid calling gen_lowpart with CONST operand.
 537
 538 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 539
 540         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 541         field template_last_to_copy.
 542         (ssa_create_duplicates): Set it, and use it.  Attempt to
 543         preserve more debug stmts.
 544
 545 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 546
 547         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 548         (signbit<mode>2): New expander
 549
 550 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 551
 552         PR bootstrap/87338
 553         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 554         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 555
 556 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 557
 558         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 559         %ebx and %ecx bafore calling cpuid with leaf 1 or
 560         non-constant leaf argument.
 561
 562 2019-05-21  Alan Modra  <amodra@gmail.com>
 563
 564         PR target/90545
 565         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 566         power9 direct move cost.
 567         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 568         Correct comments and rename functions to suit parameters.
 569
 570 2019-05-21  Richard Biener  <rguenther@suse.de>
 571
 572         PR middle-end/90510
 573         * fold-const.c (fold_read_from_vector): New function.
 574         * fold-const.h (fold_read_from_vector): Declare.
 575         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 576         single-element insert permutations.  Canonicalize selector
 577         further and fix issue with last commit.
 578
 579 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 580
 581         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 582         parameter with default value false to declaration.
 583         (split_edges_for_insertion): New inline function.  Wrapper for
 584         split_critical_edges with for_edge_insertion_p = true.
 585         * tree-cfg.c (split_critical_edges): Don't split non-critical
 586         edges if for_edge_insertion_p is false.  Fix whitespace.
 587         * tree-ssa-pre.c (pass_pre::execute): Call
 588         split_edges_for_insertion instead of split_critical_edges.
 589         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 590         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 591         (pass_data_sink_code): Update function name in the comment.
 592
 593 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 594
 595         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 596         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 597         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 598         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 599         positives.
 600
 601 2019-05-21  Martin Liska  <mliska@suse.cz>
 602
 603         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 604         an extra newline.
 605         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 606         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 607         vec_lvsr.
 608         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 609         Quote a C type.
 610         (rs6000_function_arg): Likewise.
 611         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 612         (rs6000_expand_ternop_builtin): Use interval syntax.
 613         (get_element_number): Likewise.
 614         (altivec_expand_builtin): Likewise.
 615         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 616
 617 Fix test-suite.
 618
 619 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 620
 621         PR c++/59813
 622         PR target/90418
 623         * function.h (struct function): Add calls_eh_return member.
 624         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 625         gimplifying __builtin_eh_return call.
 626         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 627         to cfun.
 628         (expand_call_inline): Or in src_cfun->calls_eh_return into
 629         dst_cfun->calls_eh_return.
 630         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 631         cfun->calls_eh_return.
 632         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 633         * lto-streamer-out.c (output_struct_function_base): Write
 634         calls_eh_return.
 635
 636 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 637
 638         PR rtl-optimization/43147
 639         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 640         IX86_BUILTIN_SHUFPD.
 641
 642 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 643
 644         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 645         (refs_may_alias_p_1): ... here; update stats.
 646         (refs_may_alias_p): Do not update stats here.
 647
 648 2019-05-20  Richard Biener  <rguenther@suse.de>
 649
 650         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 651         doesn't produce pointers.
 652         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 653         the first operand points to.
 654
 655 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 656
 657         * tree-ssa-alias.c (compare_sizes): New function.
 658         (sompare_type_sizes): New function
 659         (aliasing_component_refs_p): Use it.
 660         (indirect_ref_may_alias_decl_p): Likewise.
 661
 662 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 663
 664         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 665
 666 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 667
 668         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 669         (LIBLSAN_EARLY_SPEC): Likewise.
 670         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 671
 672 2019-05-20  Martin Liska  <mliska@suse.cz>
 673
 674         * config/i386/i386.c (ix86_libc_has_fast_function):
 675         Add ATTRIBUTE_UNUSED for the argument.
 676
 677 2019-05-20  Richard Biener  <rguenther@suse.de>
 678
 679         * gimple-match-head.c: Include vec-perm-indices.h.
 680         * generic-match-head.c: Likewise.
 681         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 682         is included.
 683         * fold-const.c (fold_vec_perm): Export.
 684         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 685         (match.pd): ...here.
 686
 687 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 688
 689         * cfgloop.h (struct loop): Add simdlen member.
 690         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 691         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 692         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 693         as new argument to autovectorize_vector_sizes target hook.  If
 694         loop->simdlen, pick up vector size where the vectorization factor
 695         is equal to loop->simd, and if there is none, fall back to the first
 696         successful one.
 697         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 698         caller.
 699         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 700         * omp-general.c (omp_max_vf): Likewise.
 701         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 702         * tree-vect-slp.c (vect_slp_bb): Likewise.
 703         * target.def (autovectorize_vector_sizes): Add ALL argument and
 704         document it.
 705         * doc/tm.texi: Adjust documentation.
 706         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 707         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 708         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 709         bool argument.
 710         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 711         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 712         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 713         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 714         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 715         preferred vector size is not 512-bit or 256-bit, just put those
 716         unpreferred ones last.
 717
 718 2019-05-20  Martin Liska  <mliska@suse.cz>
 719
 720         * targhooks.c (default_libc_has_fast_function): New function.
 721         * targhooks.h (default_libc_has_fast_function): Likewise.
 722
 723 2019-05-20  Martin Liska  <mliska@suse.cz>
 724
 725         PR middle-end/90263
 726         * builtins.c (expand_builtin_memory_copy_args): When having a
 727         target with fast mempcpy implementation do now use memcpy.
 728         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 729         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 730         * doc/tm.texi: Likewise.
 731         * doc/tm.texi.in: Likewise.
 732         * target.def:
 733         * expr.c (emit_block_move_hints): Add 2 new arguments.
 734         * expr.h (emit_block_move_hints): Bail out when libcall
 735         to memcpy would be used.
 736
 737 2019-05-20  Martin Liska  <mliska@suse.cz>
 738
 739         * profile-count.c: Add vertical spacing in order
 740         to separate functions.
 741         * profile-count.h: Likewise.
 742
 743 2019-05-20  Martin Liska  <mliska@suse.cz>
 744
 745         * profile-count.h: Do not use full qualified
 746         names if possible.
 747         * profile-count.c (profile_count::to_frequency): Likewise.
 748
 749 2019-05-20  Martin Liska  <mliska@suse.cz>
 750
 751         * profile-count.h (enum profile_quality): Use capital letters
 752         for enum value names.  Use the adjusted names.
 753         * profile-count.c: Use the adjusted names.
 754
 755 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 756
 757         * config/rs6000/constraints.md (define_register_constraint "wH"):
 758         Delete.
 759         (define_register_constraint "wI"): Delete.
 760         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 761         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 762         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 763         (rs6000_init_hard_regno_mode_ok): Adjust.
 764         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 765         resp. "d", or with "wa" as appropriate, all with "p8v".
 766         * config/rs6000/vsx.md: Ditto.
 767         * doc/md.texi (Machine Constraints): Adjust.
 768
 769 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 770
 771         * config/rs6000/constraints.md (define_register_constraint "wy"):
 772         Delete.
 773         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 774         RS6000_CONSTRAINT_wy.
 775         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 776         (rs6000_init_hard_regno_mode_ok): Adjust.
 777         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 778         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 779         (define_mode_attr Fisa): New.
 780         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 781         * doc/md.texi (Machine Constraints): Adjust.
 782
 783 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 784
 785         * config/rs6000/constraints.md (define_register_constraint "wu"):
 786         Delete.
 787         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 788         RS6000_CONSTRAINT_wu.
 789         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 790         (rs6000_init_hard_regno_mode_ok): Adjust.
 791         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 792         both with "p8v".
 793         (define_mode_attr Fa): Delete.
 794         * config/rs6000/vsx.md: Ditto.
 795         * doc/md.texi (Machine Constraints): Adjust.
 796
 797 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 798
 799         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 800         Delete.
 801         (define_register_constraint "wK"): Delete.
 802         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 803         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 804         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 805         (rs6000_init_hard_regno_mode_ok): Adjust.
 806         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 807         Replace "wK" constraint by "wH" with "p9v".
 808         * config/rs6000/vsx.md: Ditto.
 809         * doc/md.texi (Machine Constraints): Adjust.
 810
 811 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 812
 813         * config/rs6000/constraints.md (define_register_constraint "wb"):
 814         Delete.
 815         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 816         RS6000_CONSTRAINT_wb.
 817         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 818         (rs6000_init_hard_regno_mode_ok): Adjust.
 819         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 820         * config/rs6000/vsx.md: Ditto.
 821         * doc/md.texi (Machine Constraints): Adjust.
 822
 823 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 824
 825         * config/rs6000/constraints.md (define_register_constraint "wo"):
 826         Delete.
 827         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 828         RS6000_CONSTRAINT_wo.
 829         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 830         (rs6000_init_hard_regno_mode_ok): Adjust.
 831         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 832         * config/rs6000/altivec.md: Ditto.
 833         * doc/md.texi (Machine Constraints): Adjust.
 834
 835 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 836
 837         * config/darwin-c.c (darwin_register_objc_includes): Do not
 838         prepend the sysroot when building gnu-runtime header search
 839         paths.
 840
 841 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 842
 843         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 844         instead of direct output of the asm.
 845
 846 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 847
 848         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 849         argument to be type bool (was int before).
 850         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 851         at first use.  Use type bool for some variables.  Fix a theoretical
 852         eh_return bug for svr4.
 853
 854 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 855
 856         * config/rs6000/rs6000.md (isa): New attribute.
 857         (enabled): New attribute.
 858
 859 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 860
 861         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 862         assemble_start_function and assemble_end_function.
 863
 864 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 865
 866         PR middle-end/89433
 867         * omp-general.c (oacc_verify_routine_clauses): Change formal
 868         parameters.  Add checking if already marked with an OpenACC
 869         'routine' directive.  Adjust all users.
 870
 871         PR middle-end/89433
 872         * omp-general.c (oacc_build_routine_dims): Move some of its
 873         processing into...
 874         (oacc_verify_routine_clauses): ... this new function.
 875         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 876
 877 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 878
 879         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 880         formating of picbase labels to match other ports.
 881
 882 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 883
 884         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 885         in the generated code.
 886
 887 2019-05-16  Martin Sebor  <msebor@redhat.com>
 888
 889         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 890         identifiers, keywords, operators, and types in diagnostics.  Correct
 891         quoting, spelling, and sentence capitalization issues.
 892         (expand_builtin_atomic_is_lock_free): Same.
 893         (fold_builtin_next_arg): Same.
 894         * cfgexpand.c (expand_one_var): Same.
 895         (tree_conflicts_with_clobbers_p): Same.
 896         (expand_asm_stmt): Same.
 897         (verify_loop_structure): Same.
 898         * cgraphunit.c (process_function_and_variable_attributes): Same.
 899         * collect-utils.c (collect_execute): Same.
 900         * collect2.c (maybe_run_lto_and_relink): Same.
 901         (is_lto_object_file): Same.
 902         (scan_prog_file): Same.
 903         * convert.c (convert_to_real_1): Same.
 904         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 905         * except.c (verify_eh_tree): Same.
 906         * gcc.c (execute): Same.
 907         (eval_spec_function): Same.
 908         (run_attempt): Same.
 909         (driver::set_up_specs): Same.
 910         (compare_debug_auxbase_opt_spec_function): Same.
 911         * gcov-tool.c (unlink_gcda_file): Same.
 912         (do_merge): Same.
 913         (do_rewrite): Same.
 914         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 915         * gimplify.c (gimplify_asm_expr): Same.
 916         (gimplify_adjust_omp_clauses): Same.
 917         * hsa-gen.c (gen_hsa_addr_insns): Same.
 918         (gen_hsa_insns_for_load): Same.
 919         (gen_hsa_cmp_insn_from_gimple): Same.
 920         (gen_hsa_insns_for_operation_assignment): Same.
 921         (gen_get_level): Same.
 922         (gen_hsa_alloca): Same.
 923         (omp_simple_builtin::generate): Same.
 924         (gen_hsa_atomic_for_builtin): Same.
 925         (gen_hsa_insns_for_call): Same.
 926         * input.c (dump_location_info): Same.
 927         * ipa-devirt.c (compare_virtual_tables): Same.
 928         * ira.c (ira_setup_eliminable_regset): Same.
 929         * lra-assigns.c (lra_assign): Same.
 930         * lra-constraints.c (lra_constraints): Same.
 931         * lto-streamer-in.c (lto_input_mode_table): Same.
 932         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 933         (merge_and_complain): Same.
 934         (compile_offload_image): Same.
 935         (compile_images_for_offload_targets): Same.
 936         (debug_objcopy): Same.
 937         (run_gcc): Same.
 938         (main): Same.
 939         * opts.c (print_specific_help): Same.
 940         (parse_no_sanitize_attribute): Same.
 941         (print_help): Same.
 942         (handle_param): Same.
 943         * plugin.c (add_new_plugin): Same.
 944         (parse_plugin_arg_opt): Same.
 945         (try_init_one_plugin): Same.
 946         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 947         operators, and types in diagnostics.  Correct quoting and spelling
 948         issues.
 949         * read-rtl-function.c (parse_edge_flag_token): Same.
 950         (function_reader::parse_enum_value): Same.
 951         * reg-stack.c (check_asm_stack_operands): Same.
 952         * regcprop.c (validate_value_data): Same.
 953         * sched-rgn.c (make_pass_sched_fusion): Same.
 954         * stmt.c (check_unique_operand_names): Same.
 955         * targhooks.c (default_target_option_pragma_parse): Same.
 956         * tlink.c (recompile_files): Same.
 957         * toplev.c (process_options): Same.
 958         (do_compile): Same.
 959         * trans-mem.c (diagnose_tm_1): Same.
 960         (ipa_tm_scan_irr_block): Same.
 961         (ipa_tm_diagnose_transaction): Same.
 962         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
 963         format a tree code name in a diagnostic.
 964         (verify_types_in_gimple_min_lval): Same.
 965         (verify_types_in_gimple_reference): Same.
 966         (verify_gimple_call): Same.
 967         (verify_gimple_assign_unary): Same.
 968         (verify_gimple_assign_binary): Same.
 969         (verify_gimple_assign_ternary): Same.
 970         (verify_gimple_assign_single): Same.
 971         (verify_gimple_switch): Same.
 972         (verify_gimple_label): Same.
 973         (verify_gimple_phi): Same.
 974         (verify_gimple_in_seq): Same.
 975         (verify_eh_throw_stmt_node): Same.
 976         (collect_subblocks): Same.
 977         (gimple_verify_flow_info): Same.
 978         (do_warn_unused_result): Same.
 979         * tree-inline.c (expand_call_inline): Same.
 980         * tree-into-ssa.c (update_ssa): Same.
 981         * tree.c (tree_int_cst_elt_check_failed): Same.
 982         (tree_vec_elt_check_failed): Same.
 983         (omp_clause_operand_check_failed): Same.
 984         (verify_type_variant): Same.
 985         (verify_type): Same.
 986         * value-prof.c (verify_histograms): Same.
 987         * varasm.c (assemble_start_function): Same.
 988
 989 2019-05-16  Martin Sebor  <msebor@redhat.com>
 990
 991         * config/i386/i386-expand.c (get_element_number): Quote keywords
 992         and other internal names in diagnostics.  Adjust other diagnostic
 993         formatting issues noted by -Wformat-diag.
 994         * config/i386/i386-features.c
 995         (ix86_mangle_function_version_assembler_name): Same.
 996         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
 997         * config/i386/i386.c (ix86_function_type_abi): Same.
 998         (ix86_function_ms_hook_prologue): Same.
 999         (classify_argument): Same.
1000         (ix86_expand_prologue): Same.
1001         (ix86_md_asm_adjust): Same.
1002         (ix86_memmodel_check): Same.
1003
1004 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1005
1006         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1007         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1008         and fpxx modes.
1009
1010 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1011
1012         PR target/90497
1013         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1014         intrinsics without SSE/SSE2/SSSE3.
1015         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1016         check.
1017         (*mmx_uavgv8qi3): Likewise.
1018
1019 2019-05-17  Richard Biener  <rguenther@suse.de>
1020
1021         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1022         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1023
1024 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1025
1026         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1027         vec_sldw insn pattern.
1028
1029 2019-05-17  Richard Biener  <rguenther@suse.de>
1030
1031         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1032
1033 2019-05-17  Martin Liska  <mliska@suse.cz>
1034
1035         PR driver/90496
1036         * toplev.c (output_stack_usage): With LTO and sanitizer it
1037         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1038         has no file location.
1039
1040 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1041
1042         PR c++/90484
1043         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1044         sz0 is equal to sz1, instead return false in that case.
1045
1046         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1047         has non-constant expression, force sctx.lane and use two
1048         argument IFN_GOMP_SIMD_LANE instead of single argument.
1049         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1050         two argument IFN_GOMP_SIMD_LANE without lhs.
1051         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1052         member.
1053         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1054         Define.
1055         (LOOP_REQUIRES_VERSIONING): Or in
1056         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1057         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1058         simd_if_cond.
1059         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1060         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1061         from simd if clause if needed.
1062
1063 2019-05-16  Richard Biener  <rguenther@suse.de>
1064
1065         * tree-affine.c (expr_to_aff_combination): New function split
1066         out from...
1067         (tree_to_aff_combination): ... here.
1068         (aff_combination_expand): Avoid building a GENERIC tree.
1069
1070 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1071
1072         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1073         assemble_start_function and assemble_end_function calls.
1074         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1075         assemble_start_function and assemble_end_function.
1076         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1077         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1078         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1079         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1080         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1081         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1082         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1083         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1084         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1085         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1086         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1087         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1088         Likewise.
1089         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1090         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1091         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1092         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1093         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1094         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1095         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1096         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1097         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1098         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1099         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1100         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1101         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1102         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1103         Likewise.
1104         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1105         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1106         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1107
1108 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1109
1110         * tree-ssa-alias.c (alias_stats): Add
1111         aliasing_component_refs_p_may_alias and
1112         aliasing_component_refs_p_no_alias.
1113         (dump_alias_stats): Print aliasing_component_refs_p stats.
1114         (aliasing_component_refs_p): Update stats.
1115
1116 2019-05-16  Martin Liska  <mliska@suse.cz>
1117
1118         PR lto/90500
1119         * multiple_target.c (expand_target_clones): Do not allow
1120         target_clones being used with a symbol that is an alias.
1121
1122 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1123
1124         PR tree-optimization/90394
1125         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1126         positives rather than ICE for cases where (code2 == NE_EXPR
1127         && code1 == BIT_AND_EXPR).
1128
1129 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1130
1131         PR fortran/90329
1132         * tree-core.h (struct tree_decl_common): Document
1133         decl_nonshareable_flag for PARM_DECLs.
1134         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1135         * calls.c (expand_call): Don't try tail call if caller
1136         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1137         passed on the stack and callee needs to pass any arguments on the
1138         stack.
1139         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1140         else if instead of series of mutually exclusive ifs.  Handle
1141         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1142         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1143
1144         * lto-streamer.h (LTO_major_version): Bump to 9.
1145
1146 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1147
1148         PR tree-optimization/90106
1149         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1150         new parameter as new internal function call, also move it to new
1151         basic block.
1152         (use_internal_fn): Pass internal function call to
1153         shrink_wrap_one_built_in_call_with_conds.
1154
1155 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1156
1157         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1158         max_vf to 1.
1159         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1160         safelen_int and set loop->dont_vectorize.
1161
1162 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1163
1164         PR target/89021
1165         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1166         SSE/SSE2/SSSE3.
1167         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1168         Likewise.
1169         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1170         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1171         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1172         is defined.
1173
1174 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         PR target/89021
1177         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1178         define_insn_and_split to support SSE emulation.
1179         (*vec_extractv2sf_0): Likewise.
1180         (*vec_extractv2sf_1): Likewise.
1181         (*vec_extractv2si_0): Likewise.
1182         (*vec_extractv2si_1): Likewise.
1183         (*vec_extractv2si_zext_mem): Likewise.
1184         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1185         (vec_extractv2sf_1 splitter): Likewise.
1186         (vec_extractv2sfsf): Likewise.
1187         (vec_setv2si): Likewise.
1188         (vec_extractv2si_1 splitter): Likewise.
1189         (vec_extractv2sisi): Likewise.
1190         (vec_setv4hi): Likewise.
1191         (vec_extractv4hihi): Likewise.
1192         (vec_setv8qi): Likewise.
1193         (vec_extractv8qiqi): Likewise.
1194         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1195         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1196         (vec_extractv2sisi): Likewise.
1197         (vec_extractv4hihi): Likewise.
1198         (vec_extractv8qiqi): Likewise.
1199         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1200         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1201         (vec_initv2sisi): Likewise.
1202         (vec_initv4hihi): Likewise.
1203         (vec_initv8qiqi): Likewise.
1204         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1205         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1206         (vec_setv4hi): Likewise.
1207         (vec_setv8qi): Likewise.
1208
1209 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         PR target/89021
1212         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1213         TARGET_MMX_WITH_SSE.
1214         (MMXMODE:*mov<mode>_internal): Likewise.
1215         (MMXMODE:movmisalign<mode>): Likewise.
1216
1217 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1218
1219         PR target/89021
1220         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1221         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1222         (sse2_cvtpd2pi): Ditto.
1223         (sse2_cvttpd2pi): Ditto.
1224         (*vec_concatv2sf_sse4_1): Ditto.
1225         (*vec_concatv2sf_sse): Ditto.
1226         (*vec_concatv2si_sse4_1): Ditto.
1227         (*vec_concatv2si): Ditto.
1228         (*vec_concatv4si_0): Ditto.
1229         (*vec_concatv2di_0): Ditto.
1230
1231 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1232
1233         PR target/89021
1234         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1235
1236 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1237
1238         PR target/89021
1239         * config/i386/sse.md (ssse3_palignrdi): Changed to
1240         define_insn_and_split to support SSE emulation.
1241
1242 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1243
1244         PR target/89021
1245         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1246
1247 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1248
1249         PR target/89021
1250         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1251         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1252         SSE emulation.
1253
1254 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1255
1256         PR target/89021
1257         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1258         or TARGET_MMX_WITH_SSE.
1259         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1260
1261 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1262
1263         PR target/89021
1264         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1265
1266 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1267
1268         PR target/89021
1269         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1270         Changed to define_insn_and_split to support SSE emulation.
1271
1272 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         PR target/89021
1275         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1276         Changed to define_insn_and_split to support SSE emulation.
1277
1278 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1279
1280         PR target/89021
1281         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1282         (*mmx_<emms>): This.
1283         (mmx_<emms>): New expander.
1284
1285 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1286
1287         PR target/89021
1288         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1289         support.
1290         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1291
1292 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1293
1294         PR target/89021
1295         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1296
1297 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1298
1299         PR target/89021
1300         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1301
1302 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1303
1304         PR target/89021
1305         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1306         TARGET_MMX_WITH_SSE.
1307         (*mmx_uavgv4hi3): Add SSE emulation.
1308
1309 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1310
1311         PR target/89021
1312         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1313         and TARGET_MMX_WITH_SSE.
1314         (*mmx_uavgv8qi3): Add SSE emulation.
1315
1316 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1317
1318         PR target/89021
1319         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1320         maskmovdqu for __MMX_WITH_SSE__.
1321
1322 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1323
1324         PR target/89021
1325         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1326         TARGET_MMX and TARGET_MMX_WITH_SSE.
1327         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1328
1329 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1330
1331         PR target/89021
1332         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1333         define_insn_and_split to support SSE emulation.
1334
1335 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1336
1337         PR target/89021
1338         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1339         and TARGET_MMX_WITH_SSE.
1340         (mmx_<code>v8qi3): Likewise.
1341         (smaxmin:<code>v4hi3): New.
1342         (umaxmin:<code>v8qi3): Likewise.
1343         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1344         (umaxmin:*mmx_<code>v8qi3): Likewise.
1345
1346 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1347
1348         PR target/89021
1349         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1350         TARGET_MMX_WITH_SSE.
1351         (*mmx_pinsrw): Add SSE emulation.
1352
1353 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         PR target/89021
1356         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1357
1358 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         PR target/89021
1361         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1362         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1363         SSE emulation.
1364
1365 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1366
1367         PR target/89021
1368         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1369         (sse_cvttps2pi): Likewise.
1370
1371 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1372
1373         PR target/89021
1374         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1375         TARGET_MMX_WITH_SSE.
1376         (mmx_pshufw_1): Add SSE emulation.
1377         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1378         TARGET_MMX_WITH_SSE to support SSE emulation.
1379
1380 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1381
1382         PR target/89021
1383         * config/i386/constraints.md (Yw): New constraint.
1384         * config/i386/mmx.md (*vec_dupv2si): Changed to
1385         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1386         support SSE emulation.
1387
1388 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1389
1390         PR target/89021
1391         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1392         TARGET_MMX_WITH_SSE.
1393         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1394         support.
1395         (mmx_gt<mode>3): Likewise.
1396
1397 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1398
1399         PR target/89021
1400         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1401         TARGET_MMX_WITH_SSE.  Add SSE support.
1402
1403 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1404
1405         PR target/89021
1406         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1407         TARGET_MMX_WITH_SSE.
1408         (any_logic:<code><mode>3): New.
1409         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1410         Add SSE support.
1411
1412 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1413
1414         PR target/89021
1415         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1416         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1417         (mmx_<shift_insn><mode>3): Likewise.
1418         (ashr<mode>3): New.
1419         (<shift_insn><mode>3): Likewise.
1420
1421 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1422
1423         PR target/89021
1424         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1425         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1426
1427 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1428
1429         PR target/89021
1430         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1431         TARGET_MMX_WITH_SSE.
1432         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1433         SSE support.
1434
1435 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1436
1437         PR target/89021
1438         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1439         TARGET_MMX_WITH_SSE.
1440         (mulv4hi3): New.
1441         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1442         support.
1443
1444 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1445
1446         PR target/89021
1447         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1448         (plusminus:mmx_<plusminus_insn><mode>3): Check
1449         TARGET_MMX_WITH_SSE.
1450         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1451         (<plusminus_insn><mode>3): New.
1452         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1453         (*mmx_<plusminus_insn><mode>3): Likewise.
1454
1455 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1456
1457         PR target/89021
1458         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1459         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1460         prototype.
1461         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1462         define_insn_and_split to support SSE emulation.
1463         (mmx_punpcklbw): Likewise.
1464         (mmx_punpckhwd): Likewise.
1465         (mmx_punpcklwd): Likewise.
1466         (mmx_punpckhdq): Likewise.
1467         (mmx_punpckldq): Likewise.
1468
1469 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1470             Uros Bizjak  <ubizjak@gmail.com>
1471
1472         PR target/89021
1473         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1474         New function.
1475         (ix86_split_mmx_pack): Likewise.
1476         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1477         New prototype.
1478         (ix86_split_mmx_pack): Likewise.
1479         * config/i386/i386.md (mmx_isa): New.
1480         (enabled): Also check mmx_isa.
1481         * config/i386/mmx.md (any_s_truncate): New code iterator.
1482         (s_trunsuffix): New code attr.
1483         (mmx_packsswb): Removed.
1484         (mmx_packssdw): Likewise.
1485         (mmx_packuswb): Likewise.
1486         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1487         MMX packsswb/packuswb with SSE2.
1488         (mmx_packssdw): Likewise.
1489         * config/i386/predicates.md (register_mmxmem_operand): New.
1490
1491 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1492
1493         PR target/89021
1494         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1495         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1496         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1497         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1498         (ix86_vector_mode_supported_p): Likewise.
1499         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1500
1501 2019-05-15  Martin Liska  <mliska@suse.cz>
1502
1503         PR middle-end/90478
1504         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1505         Check for overflow.
1506
1507 2019-05-15  Richard Biener  <rguenther@suse.de>
1508
1509         * tree-into-ssa.c (pass_build_ssa::execute): Run
1510         update_address_taken before going into SSA.
1511
1512 2019-05-15  Richard Biener  <rguenther@suse.de>
1513
1514         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1515         as __BIT_FIELD_REF with type with -gimple.
1516
1517 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1518
1519         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1520         semantically equivalent branches (left over after prior refactorings).
1521
1522 2019-05-15  Richard Biener  <rguenther@suse.de>
1523
1524         PR tree-optimization/88828
1525         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1526         bogus check.
1527
1528 2019-05-14  Richard Biener  <rguenther@suse.de>
1529
1530         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1531         as __VIEW_CONVERT with -gimple.
1532
1533 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1534
1535         PR target/82920
1536         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1537         Darwin.
1538
1539 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1540
1541         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1542         define_split to become a define_insn_and_split.
1543
1544 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1545
1546         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1547         arguments.
1548         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1549         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1550         (sibcall_epilogue): Adjust.
1551         (epilogue): Adjust.
1552
1553 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1554
1555         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1556         to unsupported ones.
1557         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1558         * config.host: Likewise.
1559         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1560         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1561         __svr4__]: Remove "brand" fallback.
1562         [!KSTAT_DATA_STRING]: Remove.
1563         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1564         to *-*-solaris2*.
1565         (comdat_group): Likewise.
1566         (set_have_as_tls): Likewise.
1567         (gcc_cv_target_dl_iterate_phdr): Likewise.
1568         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1569         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1570         * configure: Regenerate.
1571         * doc/install.texi: Simplify Solaris target triplets.
1572         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1573         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1574         Remove Solaris 10 references.
1575         Remove obsolete Solaris bug reference.
1576         (Specific, sparc-sun-solaris2.10): Remove.
1577
1578 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1579
1580         * config/i386/i386.md (any_div): New code iterator.
1581         (paired_mod): New code attribute.
1582         (sgnprefix): Handle DIV and UDIV RTXes.
1583         (u): Ditto.
1584         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1585         and udivmod<mode>4 patterns using any_div code iterator.
1586         (divmod splitters): Macroize splitters using any_div code iterator.
1587         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1588         (*udivmodsi4_pow2_zext_2): Ditto.
1589         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1590         and *udivmod<mode>4_noext patterns using any_div code iterator.
1591         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1592         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1593         patterns using any_div code iterator.
1594         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1595         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1596         patterns using any_div code iterator.
1597         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1598         udivmodhiqi3 patterns using any_extend code iterator.
1599
1600 2019-05-14  Richard Biener  <rguenther@suse.de>
1601             H.J. Lu  <hongjiu.lu@intel.com>
1602
1603         PR tree-optimization/88828
1604         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1605         permuting in a single non-constant element not extracted
1606         from a vector.
1607
1608 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1609
1610         * internal-fn.def (SIGNBIT): New.
1611         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1612         defined.
1613         (signbitv4sf2): Likewise.
1614
1615 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1616
1617         PR target/90357
1618         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1619         next insn when the SRC reg is dead.
1620
1621 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1622
1623         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1624         (alloc_cand_and_find_basis): Ditto.
1625         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1626         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1627         (create_add_imm_cand, slsr_process_cast): Ditto.
1628         (slsr_process_copy, replace_mult_candidate): Ditto.
1629         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1630         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1631         (pass_strength_reduction::execute): Init the first NULL element.
1632
1633 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1634
1635         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1636         (run_attempt): Reformat line break.
1637
1638 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1639
1640         PR target/90418
1641         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1642         data registers in sibcall epilogues.
1643         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1644
1645 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1646
1647         PR target/89221
1648         * configure.ac (--enable-frame-pointer):
1649         Disable by default for cygwin and mingw.
1650         * configure: Regenerate.
1651
1652 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1653
1654         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1655         piece of code.
1656         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1657         (gen_member_die): Move abstract origin check earlier.  Only VARs
1658         can be static_inline_p.  Simplify splicing control flow.
1659
1660 2019-05-13  Richard Biener  <rguenther@suse.de>
1661
1662         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1663         VIEW_CONVERT_EXPR.
1664         (vect_build_slp_tree_1): Likewise.
1665
1666 2019-05-13  Richard Biener  <rguenther@suse.de>
1667
1668         PR tree-optimization/90402
1669         * tree-if-conv.c (tree_if_conversion): Value number only
1670         the loop body by making the latch an exit of the region
1671         as well.
1672         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1673         processing PHIs.
1674         (do_rpo_vn): Deal with multiple edges into the entry block
1675         that are not backedges inside the region by skipping PHIs
1676         of the entry block.
1677
1678 2019-05-13  Richard Biener  <rguenther@suse.de>
1679
1680         PR tree-optimization/90316
1681         * tree-ssa-pre.c (insert_aux): Fold into ...
1682         (insert): ... this function.  Use a RPO walk to reduce the
1683         number of required iterations.
1684
1685 2019-05-13  Martin Liska  <mliska@suse.cz>
1686
1687         PR tree-optimization/90416
1688         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1689         string instead of passing the second part as va_arg argument.
1690
1691 2019-05-13  Martin Liska  <mliska@suse.cz>
1692
1693         PR gcov-profile/90380
1694         * gcov.c (handle_cycle): Do not support zero cycle count,
1695         it should not be possible.
1696         (path_contains_zero_cycle_arc): New function.
1697         (circuit): Ignore zero cycle arc counts.
1698
1699 2019-05-13  Martin Liska  <mliska@suse.cz>
1700
1701         PR gcov-profile/90380
1702         * gcov.c (enum loop_type): Remove the enum and
1703         the operator.
1704         (handle_cycle): Assert that we should not reach
1705         a negative count.
1706         (circuit): Use loop_found instead of a tri-state loop_type.
1707         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1708         happen.
1709
1710 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1711
1712         PR target/82920
1713         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1714         (ix86_output_indirect_branch_via_reg): Use output mechanism
1715         accounting for __USER_LABEL_PREFIX__.
1716         (ix86_output_indirect_branch_via_push): Likewise.
1717         (ix86_output_function_return): Likewise.
1718         (ix86_output_indirect_function_return): Likewise.
1719
1720 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1721
1722         * doc/md.texi: Document use of code attributes in rtx patterns.
1723         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1724         * read-rtl.c (find_code): Split out search loops into...
1725         (maybe_find_code): ...this new function.
1726         (check_code_iterator): Make the error message more informative.
1727         (check_code_attribute): New function.
1728         (rtx_reader::rtx_alloc_for_name): Likewise.
1729         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1730         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1731         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1732         <max_opp> directly as an rtx code instead of via a match_operator.
1733         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1734         (<su>abd<mode>_3): Update accordingly.
1735
1736 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1737
1738         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1739         is given, print the state of the EH "save world" computation for
1740         Darwin.
1741
1742 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1743
1744         PR c++/59813
1745         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1746         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1747
1748 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1749
1750         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1751         Use pinsrd for TARGET_SSE4_1.
1752         * config/i386/sse.md (movdi_to_sse): Ditto.
1753
1754 2019-05-10  Richard Biener  <rguenther@suse.de>
1755
1756         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1757         (do_rpo_vn): Initialize next_value_id.
1758
1759 2019-05-10  Martin Liska  <mliska@suse.cz>
1760
1761         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1762         Fix plural form.
1763
1764 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1765
1766         PR tree-optimization/90385
1767         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1768         arguments of the exit phis.
1769
1770         PR c++/90383
1771         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1772         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1773         id->do_not_fold.
1774         (copy_tree_body_r): Likewise.
1775         (copy_fn): Set id.do_not_fold to true.
1776
1777 2019-05-10  Martin Liska  <mliska@suse.cz>
1778
1779         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1780         Reapply changes from r269790.
1781
1782 2019-05-10  Martin Liska  <mliska@suse.cz>
1783
1784         PR middle-end/90340
1785         * doc/invoke.texi: New params.
1786         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1787         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1788         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1789         Use it.
1790         * tree-switch-conversion.h (struct jump_table_cluster):
1791         Likewise.
1792
1793 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1794
1795         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1796
1797 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1798
1799         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1800
1801 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1802
1803         PR rtl-optimization/88879
1804         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1805
1806 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1807
1808         PR target/90405
1809         * config/arm/arm.c (callee_saved_reg_p): Move before
1810         thumb_find_work_register.
1811         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1812         thumb_find_work_register.  Only call df_get_live_out once.
1813         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1814         (thumb_find_work_register): Use
1815         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1816         algorithms to locate a spare call clobbered reg.
1817
1818 2019-05-09  Martin Liska  <mliska@suse.cz>
1819
1820         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1821         and MAX_EXPR in GIMPLE FE format.
1822
1823 2019-05-09  Martin Liska  <mliska@suse.cz>
1824
1825         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1826         * gimple-pretty-print.c (dump_gimple_bb_header):
1827         Dump BB count.
1828         (pp_cfg_jump): Dump edge probability.
1829         * profile-count.c (profile_quality_as_string): Simplify
1830         with a static array.
1831         (parse_profile_quality): New function.
1832         (profile_count::dump): Simplify with a static array.
1833         (profile_count::from_gcov_type): Add new argument.
1834         * profile-count.h (parse_profile_quality): Likewise.
1835         * predict.h (set_hot_bb_threshold): New.
1836         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1837         New param.
1838         * predict.c (get_hot_bb_threshold): Set from the new param.
1839         (set_hot_bb_threshold): New.
1840
1841 2019-05-09  Richard Biener  <rguenther@suse.de>
1842
1843         PR tree-optimization/90395
1844         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1845         rewrite vector stores that throw internally.
1846
1847 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1848
1849         * cif-code.def (CHKP): Remove.
1850
1851         PR target/89221
1852         * configure.ac (--enable-frame-pointer): Disable by default for
1853         GNU systems.
1854         * configure: Regenerate.
1855
1856 2019-05-09  Alan Modra  <amodra@gmail.com>
1857
1858         PR target/89271
1859         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1860         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1861         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1862         cost for general <-> vsx when direct moves are available.
1863         Cost union classes at minimal cost for any reg in the class.
1864         Correct calculation for moves between vsx, float, and altivec.
1865         Don't return a low cost for moves between special regs.  Don't
1866         use hard coded register numbers.
1867         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1868         (rs6000_ira_change_pseudo_allocno_class): New function.
1869         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1870         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1871         alternatives.
1872         (movsi_internal1): Don't disparage vector alternatives.
1873         (mov<mode>_internal): Likewise, excepting alternative that
1874         will be split.
1875         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1876         we <- b alternative.
1877
1878 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1879
1880         PR c++/59813
1881         PR tree-optimization/89060
1882         * tree-ssa-live.h (live_vars_map): New typedef.
1883         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1884         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1885         (struct compute_live_vars_data): New type.
1886         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1887         live_vars_at_stmt, destroy_live_vars): New functions.
1888         * tree-tailcall.c: Include tree-ssa-live.h.
1889         (live_vars, live_vars_vec): New global variables.
1890         (find_tail_calls): Perform variable life analysis before punting.
1891         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1892         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1893         member.
1894         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1895         Perform variable life analysis to select variables that really need
1896         clobbers added.
1897         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1898         instead set id->eh_landing_pad_dest and assert it is the same.
1899         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1900
1901 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1902             Richard Earnshaw  <rearnsha@arm.com>
1903
1904         PR target/88167
1905         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1906         function.
1907         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1908         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1909         register if both the epilogue and prologue can use call-clobbered
1910         regs.
1911         (thumb1_unexpanded_epilogue): Use
1912         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1913         picking temporaries for restoring high regs to match that of the
1914         prologue where possible.
1915         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1916         the list of work registers.  Detect if the return address is still live
1917         at the end of the prologue and avoid using it for a work register if so.
1918         If the return address is not live, add LR to the list of pushable regs
1919         after the first pass.
1920
1921 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1922
1923         PR tree-optimization/90078
1924         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1925         (INFTY): Increase the value for infinite cost.
1926         (struct comp_cost): Promote type of members to int64_t.
1927         (infinite_cost): Don't set complexity in initialization.
1928         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1929         overflows to infinite_cost.
1930         (adjust_setup_cost): Promote type of parameter and cost computation
1931         to int64_t.
1932         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1933         int64_t.
1934         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1935         cost computation to int64_t.
1936         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1937         int64_t's format specifier in dump.
1938
1939 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1940
1941         PR tree-optimization/90240
1942         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1943         with respect to scaling factor pre-computed for each basic block.
1944         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1945         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1946         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1947         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1948         live range for array of loop's basic blocks.  Cleanup aux field of
1949         loop's basic blocks.
1950
1951 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1952
1953         PR tree-optimization/90356
1954         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1955
1956 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1957
1958         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
1959         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
1960         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
1961         (ix86_handle_option): Handle -mavx512bf16.
1962         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
1963         to extra_headers.
1964         * config/i386/avx512bf16vlintrin.h: New.
1965         * config/i386/avx512bf16intrin.h: New.
1966         * config/i386/cpuid.h (bit_AVX512BF16): New.
1967         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
1968         * config/i386/i386-builtin-types.def: Add new types.
1969         * config/i386/i386-builtin.def: Add new builtins.
1970         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1971         __AVX512BF16__.
1972         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
1973         (ix86_option_override_internal): Handle BF16.
1974         (ix86_valid_target_attribute_inner_p): Ditto.
1975         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
1976         * config/i386/i386-builtin.c (enum processor_features): Add
1977         F_AVX512BF16.
1978         (static const _isa_names_table isa_names_table): Ditto.
1979         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
1980         (PTA_AVX512BF16): Ditto.
1981         * config/i386/i386.opt: Add -mavx512bf16.
1982         * config/i386/immintrin.h: Include avx512bf16intrin.h
1983         and avx512bf16vlintrin.h.
1984         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
1985         avx512f_cvtneps2bf16_<mode><mask_name>,
1986         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
1987         * config/i386/subst.md (mask_half): Add new subst.
1988         * doc/invoke.texi: Document -mavx512bf16.
1989
1990 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
1991
1992         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
1993         Delete declaration.
1994         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
1995         (rs6000_debug_legitimize_reload_address): Delete.
1996         (rs6000_legitimize_reload_address_ptr): Delete.
1997         (rs6000_option_override_internal): Adjust.
1998         (mem_operand_gpr): Adjust comment.
1999         (legitimate_lo_sum_address_p): Ditto.
2000         (rs6000_legitimize_reload_address): Delete.
2001         (rs6000_debug_legitimize_reload_address): Delete.
2002         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2003
2004 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2005
2006         PR target/89765
2007         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2008         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2009         to compute vector element selector for both constant and variable
2010         operands.
2011
2012 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2013
2014         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2015         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2016         ashrdi3_cvt using SWI48 mode iterator.
2017
2018 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2019
2020         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2021         (aarch64_<su>abd<mode>_3): Likewise.
2022         (*aarch64_<su>abd<mode>_3): New define_insn.
2023         (<sur>sad<vsi2qi>): New define_expand.
2024         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2025         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2026         (build_vect_cond_expr): Likewise.
2027
2028 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2029
2030         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2031         clobbers outside of accessible_reg_set.
2032         * config/i386/i386.c (ix86_conditional_register_usage):
2033         Disable register sets by clearing corresponding bits in
2034         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2035         call_used_regs and don't clear corresponding reg_names array members.
2036
2037 2019-05-07  Richard Biener  <rguenther@suse.de>
2038
2039         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2040         not specified still compute a comp_vectype for invariant
2041         compares.
2042
2043 2019-05-07  Richard Biener  <rguenther@suse.de>
2044
2045         PR tree-optimization/90316
2046         * tree-ssa-pre.c (translate_vuse_through_block): When
2047         same_valid is NULL do not bother to search for a virtual
2048         PHI continuation.
2049         (phi_translate_1): When operands changed we cannot keep
2050         the same value-number so do not bother to ask whether
2051         that's possible from translate_vuse_through_block.
2052
2053 2019-05-07  Martin Liska  <mliska@suse.cz>
2054
2055         * bitmap.c (bitmap_register): Come up with
2056         alloc_descriptor_max_uid and assign it for
2057         a new bitmap.
2058         (register_overhead): Use get_descriptor as
2059         a descriptor.
2060         (release_overhead): New.
2061         (bitmap_elem_to_freelist): Call it.
2062         (bitmap_elt_clear_from): Likewise.
2063         (bitmap_obstack_free): Likewise.
2064         (bitmap_move): Sensitively release memory.
2065         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2066         (bitmap_initialize): Initialize alloc_descriptor to zero.
2067         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2068
2069 2019-05-07  Richard Biener  <rguenther@suse.de>
2070
2071         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2072         we build a SLP node.  Remove max_size and limiting.
2073         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2074
2075 2019-05-07  Richard Biener  <rguenther@suse.de>
2076
2077         PR tree-optimization/90316
2078         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2079         limit by reference.
2080         (walk_non_aliased_vuses): Take walking limit argument.
2081         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2082         walking if it is reached instead of just counting.
2083         (get_continuation_for_phi): Likewise.
2084         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2085         limiting to the callback.
2086         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2087         (vn_reference_lookup_3): Likewise.
2088         (vn_reference_lookup_pieces): Likewise.
2089         (vn_reference_lookup): Likewise.
2090         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2091         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2092         (avail_exprs_stack::lookup_avail_expr): Likewise.
2093
2094 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2095
2096         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2097         for comparaible types in the second direction even if first one
2098         hits incomparable type.
2099
2100 2019-05-07  Richard Biener  <rguenther@suse.de>
2101
2102         PR lto/90369
2103         * lto-wrapper.c (debug_objcopy): Use the original filename
2104         including archive offset for the filename used for -save-temps.
2105
2106 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2107
2108         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2109         detection.
2110
2111 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2112
2113         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2114         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2115         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2116         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2117         (FRAME_POINTER_REGNUM): Change numbering.
2118         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2119         (alt_reg_names): Adjust.
2120         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2121         fixed.
2122         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2123         (DWARF_FRAME_REGISTERS): Delete.
2124         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2125         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2126         Adjust.
2127         (REG_ALLOC_ORDER): Adjust.
2128         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2129         (REG_CLASS_CONTENTS): Adjust.
2130         (RETURN_ADDR_RTX): Change comment.
2131         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2132         instead of 67.
2133         (REGISTER_NAMES): Adjust.
2134         (ADDITIONAL_REGISTER_NAMES): Adjust.
2135         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2136
2137 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2138
2139         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2140         Delete.
2141         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2142         (DWARF_FRAME_REGISTERS): Adjust.
2143         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2144         Adjust.
2145         (REG_ALLOC_ORDER): Adjust.
2146         (enum reg_class): Delete SPR_REGS.
2147         (REG_CLASS_NAMES): Delete SPR_REGS.
2148         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2149         (REGISTER_NAMES): Adjust.
2150         (ADDITIONAL_REGISTER_NAMES): Adjust.
2151         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2152         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2153         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2154         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2155         (htm_spr_regno): Delete.
2156         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2157         argument.
2158         (rs6000_dbx_register_number): Adjust.
2159
2160 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2161
2162         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2163
2164 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2165
2166         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2167         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2168
2169 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR tree-optimization/88709
2172         PR tree-optimization/90271
2173         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2174         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2175         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2176         variable.
2177         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2178         of the store merging group is larger than
2179         PARAM_STORE_MERGING_MAX_SIZE parameter.
2180         (split_group): Add bzero_first argument.  If set, always emit first
2181         the first store which must be = {} of the whole area and then for the
2182         rest of the stores consider all zero bytes as paddings.
2183         (imm_store_chain_info::output_merged_store): Check if first store
2184         is = {} of the whole area and if yes, determine which setting of
2185         bzero_first for split_group gives smaller number of stores.  Adjust
2186         split_group callers.
2187         (lhs_valid_for_store_merging_p): Allow decls.
2188         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2189         no elts.
2190         (pass_store_merging::process_store): Likewise.
2191
2192 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2193
2194         PR target/89424
2195         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2196         handling of V1TImode.
2197
2198 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2199
2200         PR target/89221
2201         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2202         and enable_frame_pointer ...
2203         * configure.ac: ... here.  Update help strings for
2204         --enable-frame-pointer.
2205         * configure: Regenerate.
2206         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2207         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2208         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2209         (USE_X86_64_FRAME_POINTER): Ditto.
2210
2211 2019-05-06  Martin Liska  <mliska@suse.cz>
2212
2213         * config.gcc: Append to target_gtfiles and fix indentation.
2214
2215 2019-05-06  Richard Biener  <rguenther@suse.de>
2216
2217         PR tree-optimization/90358
2218         * tree-vect-stmts.c (get_group_load_store_type): Properly
2219         detect unused upper half of load.
2220         (vectorizable_load): Likewise.
2221
2222 2019-05-06  Richard Biener  <rguenther@suse.de>
2223
2224         PR tree-optimization/88828
2225         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2226         (simplify_vector_constructor): ...here.  Handle constants in
2227         the constructor.
2228
2229 2019-05-06  Richard Biener  <rguenther@suse.de>
2230
2231         PR tree-optimization/90328
2232         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2233         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2234         is valid in the loop nest before using it.
2235         (initialize_data_dependence_relation): Adjust.
2236         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2237         loop as loop-nest to dr_may_alias_p.
2238
2239 2019-05-06  Richard Biener  <rguenther@suse.de>
2240
2241         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2242
2243 2019-05-06  Richard Biener  <rguenther@suse.de>
2244
2245         PR tree-optimization/90316
2246         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2247         compute target on demand.
2248         (get_continuation_for_phi): Remove code walking stmts to
2249         get to a target virtual operand which could end up being
2250         quadratic.
2251
2252 2019-05-06  Martin Liska  <mliska@suse.cz>
2253
2254         PR sanitizer/90312
2255         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2256         when -mabi is selected to a non-default version.
2257
2258 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2259             Martin Liska  <mliska@suse.cz>
2260
2261         * Makefile.in: Add lto-dump.texi.
2262         * cgraph.h: Add new functions get_visibility_string and
2263         get_symtab_type_string.
2264         * doc/gcc.texi: Include lto-dump section.
2265         * doc/lto-dump.texi: New file.
2266         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2267         (parse_dump_option): Factor out this function.
2268         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2269         (parse_dump_option): Export the function.
2270         * symtab.c (symtab_node::get_visibility_string): New function.
2271         (symtab_node::get_symtab_type_string): Likewise.
2272
2273 2019-05-06  Martin Liska  <mliska@suse.cz>
2274
2275         * config/i386/i386-builtins.c: New file.
2276         * config/i386/i386-builtins.h: New file.
2277         * config/i386/i386-expand.c: New file.
2278         * config/i386/i386-expand.h: New file.
2279         * config/i386/i386-features.c: New file.
2280         * config/i386/i386-features.h: New file.
2281         * config/i386/i386-options.c: New file.
2282         * config/i386/i386-options.h: New file.
2283         * config.gcc: Add new files into extra_objs and
2284         target_gtfiles.
2285         * config/i386/i386.c: Split content of the file
2286         into newly introduced files.
2287         * config/i386/i386.h: Declare common variables
2288         and macros.
2289         * config/i386/t-i386: Define dependencies for new files.
2290
2291 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2292
2293         PR target/89400
2294         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2295         Restrict 'all' variant to 32-bit configurations.
2296         (unaligned_loadhiu): Likewise.
2297         (unaligned_storehi): Likewise.
2298         (unaligned_storesi): Likewise.
2299         (unaligned_loadhis): Disable when compiling for thumb1.
2300
2301 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2302
2303         PR tree-optimization/90269
2304         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2305         Ignore clobbers.
2306
2307 2019-05-03  Martin Liska  <mliska@suse.cz>
2308
2309         * hash-map.h: Add is_empty function.
2310         * hash-set.h: Likewise.
2311         * hash-table.h: Likewise.
2312         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2313         elements () == 0 (and similar usages).
2314         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2315         * gimplify.c (gimplify_bind_expr): Likewise.
2316         (gimplify_switch_expr): Likewise.
2317         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2318         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2319         * postreload-gcse.c (dump_hash_table): Likewise.
2320         (gcse_after_reload_main): Likewise.
2321         * predict.c (combine_predictions_for_bb): Likewise.
2322         * tree-parloops.c (reduction_phi): Likewise.
2323         (separate_decls_in_region): Likewise.
2324         (transform_to_exit_first_loop): Likewise.
2325         (gen_parallel_loop): Likewise.
2326         (gather_scalar_reductions): Likewise.
2327         (try_create_reduction_list): Likewise.
2328         * var-tracking.c (dump_vars): Likewise.
2329         (emit_notes_for_changes): Likewise.
2330         (vt_emit_notes): Likewise.
2331
2332 2019-05-03  Richard Biener  <rguenther@suse.de>
2333
2334         PR tree-optimization/90316
2335         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2336         before running VN.
2337
2338 2019-05-03  Richard Biener  <rguenther@suse.de>
2339
2340         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2341         peeling for gaps by loading only lower halves of vectors
2342         if possible.
2343         (vectorizable_load): Likewise.
2344
2345 2019-05-03  Richard Biener  <rguenther@suse.de>
2346
2347         PR middle-end/89518
2348         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2349
2350 2019-05-03  Richard Biener  <rguenther@suse.de>
2351
2352         PR middle-end/87314
2353         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2354         Handle STRING_CST vs DECL or STRING_CST.
2355
2356 2019-05-03  Richard Biener  <rguenther@suse.de>
2357
2358         PR tree-optimization/88963
2359         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2360         vector loads feeding only BIT_FIELD_REFs to component
2361         loads.  Rewrite stores fed by CONSTRUCTORs to component
2362         stores.
2363
2364 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2365
2366         * opts.h (finish_options): Remove lang_mask argument.
2367         (print_help, help_option_argument): Declare.
2368         * opts.c (print_help): Remove forward declaration, no longer static.
2369         (finish_options): Remove lang_mask argument, don't call print_help
2370         here.
2371         * opts-global.c (decode_options): Adjust finish_option caller, call
2372         print_help here.
2373
2374         PR tree-optimization/90303
2375         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2376         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2377
2378 2019-05-03  Richard Biener  <rguenther@suse.de>
2379
2380         PR tree-optimization/89698
2381         * gimple-fold.c (canonicalize_constructor_val): Early out
2382         for constants, handle unfolded INTEGER_CSTs as they appear in
2383         C++ virtual table ctors.
2384
2385 2019-05-03  Richard Biener  <rguenther@suse.de>
2386
2387         * passes.c (execute_function_todo): Remove dead code.
2388
2389 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2390
2391         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2392         the internal register number, for any "real" register.
2393
2394 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2395
2396         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2397         correct numbers for TFHAR, TFIAR, TEXASR.
2398
2399 2019-05-02  Richard Biener  <rguenther@suse.de>
2400
2401         PR tree-optimization/89653
2402         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2403         update-address-taken before the pass.
2404         * passes.def (pass_tree_loop_init): Put comment before it.
2405
2406 2019-05-02  Richard Biener  <rguenther@suse.de>
2407
2408         PR tree-optimization/89509
2409         * tree-ssa-structalias.c (compute_dependence_clique): Look
2410         at the first subvar when determining whether it is restrict.
2411
2412 2019-05-02  Richard Biener  <rguenther@suse.de>
2413
2414         PR tree-optimization/90273
2415         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2416         useless debug stmts.
2417
2418 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2419
2420         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2421         ACLE branch.
2422         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2423         SVE ACLE branch.
2424         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2425         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2426         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2427         (vectorizable_reduction): Use the functions above to vectorize in a
2428         fully masked loop codes that don't have a conditional internal
2429         function.
2430
2431 2019-05-02  Martin Liska  <mliska@suse.cz>
2432
2433         * cgraphclones.c: Call valid_attribute_p with 1 for
2434         target_clone.
2435         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2436         it's for target attribute.
2437         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2438         Add new boolean argument.
2439         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2440         Likewise.
2441         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2442         to ix86_valid_target_attribute_inner_p.
2443         (ix86_valid_target_attribute_p): Pass flags argument to
2444         ix86_valid_target_attribute_inner_p.
2445         (get_builtin_code_for_version): Use 0 as it's target attribute.
2446
2447 2019-05-02  Martin Liska  <mliska@suse.cz>
2448
2449         * gcc.c (process_command): Add dummy file only
2450         if n_infiles == 0.
2451         * opts-global.c (decode_options): Pass lang_mask.
2452         * opts.c (print_help): New function.
2453         (finish_options): Print --help if help_option_argument
2454         is set.
2455         (common_handle_option): Factor out content of OPT__help_
2456         into print_help.
2457         * opts.h (finish_options): Add new argument.
2458
2459 2019-05-02  Martin Liska  <mliska@suse.cz>
2460
2461         PR target/88809
2462         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2463         With -minline-all-stringops use inline expansion using 4B loop.
2464         * doc/invoke.texi: Document the change of
2465         -minline-all-stringops.
2466
2467 2019-05-01  Jeff Law  <law@redhat.com>
2468
2469         PR tree-optimization/88797
2470         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2471         PHI feeds a conditional on the RHS of an assignment.
2472
2473 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2474             Jim Wilson  <jimw@sifive.com>
2475
2476         * config/riscv/constraints.md (L): New.
2477         * config/riscv/predicates.md (lui_operand): New.
2478         (sfb_alu_operand): New.
2479         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2480         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2481         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2482         * config/riscv/risc.md (type): Add sfb_alu.
2483         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2484         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2485         (branch_zero<mode>): Delete.
2486         (mov<mode>cc): New.
2487         (mov<GPR:mode><X:mode>cc): Likewise.
2488         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2489
2490 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2491
2492         * tree.h (MARK_TS_EXP): New.
2493
2494 2019-04-30  Martin Liska  <mliska@suse.cz>
2495
2496         * opts.c (enable_warning_as_error): Provide hints
2497         for unknown options.
2498
2499 2019-04-30  Martin Liska  <mliska@suse.cz>
2500
2501         PR debug/90288
2502         * doc/invoke.texi: Add missing dash for gas-locview-support
2503         and gno-as-locview-support.
2504
2505 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2506
2507         PR target/89093
2508         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2509         whitespace at the start of target attribute string.
2510
2511 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2512
2513         PR target/86538
2514         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2515         Define __ARM_FEATURE_ATOMICS.
2516
2517 2019-04-30  Martin Liska  <mliska@suse.cz>
2518
2519         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2520         into built_in_function enum. Remove code for endp == 2 and
2521         use BUILT_IN_* constants.
2522         (gimple_fold_builtin): Call the function with fcode.
2523
2524 2019-04-30  Martin Liska  <mliska@suse.cz>
2525
2526         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2527         DECL_FUNCTION_CODE into ix86_builtins enum before
2528         the switch statement.
2529
2530 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2531
2532         PR tree-optimization/89475
2533         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2534         calls.
2535
2536 2019-04-30  Martin Liska  <mliska@suse.cz>
2537
2538         PR translation/90274
2539         * opts.c (print_filtered_help): Wrap string in _(...).
2540
2541 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2542
2543         PR tree-optimization/90240
2544         Revert:
2545         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2546
2547         PR tree-optimization/90078
2548         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2549         checks for infinite_cost overflow.
2550
2551 2019-04-29  Jeff Law  <law@redhat.com>
2552
2553         * passes.def: Move -Wrestrict pass after copy propagation.
2554
2555 2019-04-29  Maya Rashish  <coypu@sdf.org>
2556
2557         * config.gcc (default_gnu_indirect_function): Default to yes
2558         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2559         sparc*-*-netbsd*, x86_64-*-netbsd*.
2560
2561 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2562
2563         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2564         where cond2 is NE_EXPR.
2565         (is_value_included_in): Update comment.
2566
2567 2019-04-29  Richard Biener  <rguenther@suse.de>
2568
2569         PR tree-optimization/90278
2570         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2571         EH on comparison simplification.
2572
2573 2019-04-29  Jason Merrill  <jason@redhat.com>
2574
2575         PR c++/82081 - tail call optimization breaks noexcept
2576         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2577         nothrow function to a might-throw function into a tail call.
2578
2579 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2580
2581         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2582         (DDR_INNER_LOOP): Likewise.
2583         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2584         (initialize_data_dependence_relation): Likewise.
2585         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2586
2587 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2588
2589         PR rtl-optimization/90257
2590         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2591         return value.
2592
2593         Revert the revert:
2594         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2595
2596         PR target/90178
2597         Revert:
2598         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2599
2600         Revert the revert:
2601         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2602
2603         Revert:
2604         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2605
2606         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2607
2608 2019-04-29  Richard Biener  <rguenther@suse.de>
2609
2610         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2611         rhs issue a reset.
2612
2613 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2614
2615         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2616         varasm.h, and netbsd-protos.h.
2617
2618 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2619
2620         PR target/89261
2621         * config/i386/i386-protos.h (ix86_data_alignment): Change
2622         the second argument type to unsigned int.
2623         * config/i386/i386.c (ix86_data_alignment): Change "align"
2624         argument type to unsigned int.
2625
2626 2019-04-27  Martin Liska  <mliska@suse.cz>
2627
2628         PR middle-end/90258
2629         * opt-suggestions.c (option_proposer::build_option_suggestions):
2630         When get_valid_option_values returns empty values, add the
2631         misspelling candidate.
2632
2633 2019-04-26  Jim Wilson  <jimw@sifive.com>
2634
2635         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2636         parameter.
2637         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2638         Pass orig_mode to riscv_build_integer.
2639         (riscv_split_integer): Pass mode to riscv_move_integer.
2640         (riscv_legitimize_const_move): Likewise.
2641         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2642         promoted_mode.  Replace force_reg call with code to load constant into
2643         promoted reg and then subreg it for the store.
2644         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2645         riscv_move_integer.
2646
2647 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2648
2649         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2650         corrupt codes.
2651
2652 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2653
2654         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2655         commentary about the encoding of precision.
2656
2657 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2658
2659         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2660         * config/i386/t-freebsd64: New file.
2661         * config.gcc: Add the t-freebsd64 for multilib support.
2662
2663 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2664
2665         * doc/extend.texi (vector_size): Add missing comma after @xref.
2666
2667 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2668
2669         * BASE-VER: Set to 10.0.0.
2670
2671 2019-04-25  Richard Biener  <rguenther@suse.de>
2672
2673         PR middle-end/89765
2674         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2675         VIEW_CONVERT_EXPR into one operating on an rvalue.
2676
2677 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2678
2679         PR target/89929
2680         * config/i386/i386.c (feature_priority): Moved to file scope.
2681         (processor_features): Likewise.
2682         (processor_model): Likewise.
2683         (_arch_names_table): Likewise.
2684         (arch_names_table): Likewise.
2685         (_feature_list): Removed.
2686         (feature_list): Likewise.
2687         (_isa_names_table): Moved to file scope.  Add priority.
2688         (isa_names_table): Likewise.
2689         (get_builtin_code_for_version): Replace feature_list with
2690         isa_names_table.  Update error message for P_ZERO priority.
2691
2692 2019-04-25  Richard Biener  <rguenther@suse.de>
2693
2694         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2695         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2696
2697 2019-04-24  Jeff Law  <law@redhat.com>
2698
2699         PR tree-optimization/90037
2700         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2701         * passes.def: Replace all instance of phi-only cprop with the
2702         lattice propagator.  Move propagation pass from after erroneous
2703         path isolation to before erroneous path isolation.
2704         * tree-ssa-phionlycprop.c: Remove.
2705
2706 2019-04-24  Richard Biener  <rguenther@suse.de>
2707
2708         PR middle-end/90213
2709         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2710         by size and BITS_PER_UNIT on poly-wide-ints.
2711
2712 2019-04-25  Richard Biener  <rguenther@suse.de>
2713
2714         PR middle-end/90194
2715         * match.pd: Add pattern to simplify view-conversion of an
2716         empty constructor.
2717
2718 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2719
2720         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2721         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2722         for Go on 32 bit AIX.
2723         * config/rs6000/aix72.h: Likewise.
2724
2725 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR target/90193
2728         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2729         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2730
2731 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2732
2733         PR target/89952
2734         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2735         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2736         for restored hard frame pointer.
2737         (s390_sched_dependencies_evaluation): Implement new target hook.
2738         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2739
2740 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2741
2742         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2743         * config/arc/arc.c (arc_init): Cleanup warning message.
2744         (arc_override_options): Likewise.
2745
2746 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR target/90187
2749         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2750         a register if both if_true and if_false are MEMs.
2751
2752         PR tree-optimization/90208
2753         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2754         after labels of new_bb, not before them.
2755
2756         PR tree-optimization/90211
2757         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2758         which are not SSA_NAMEs.
2759
2760 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2761
2762         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2763         AArch64.
2764         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2765
2766 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2767
2768         PR rtl-optimization/87979
2769         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2770         not equal zero.
2771
2772 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2773
2774         PR rtl-optimization/84032
2775         * modulo-sched.c (ps_insn_find_column): Change condition so that
2776         branch will always be the last insn in a row inside partial
2777         schedule.
2778
2779 2019-04-23  Richard Biener  <rguenther@suse.de>
2780
2781         PR debug/90131
2782         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2783         dest_single_pred_p argument.
2784         (remove_forwarder_block): Adjust.
2785         (remove_forwarder_block_with_phi): Likewise.
2786
2787 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2788             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2789             Jakub Jelinek  <jakub@redhat.com>
2790
2791         PR target/89093
2792         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2793         if used with general-regs-only.
2794         (arm_conditional_register_usage): Don't add non-general regs if
2795         general-regs-only.
2796         (arm_valid_target_attribute_rec): Handle general-regs-only.
2797         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2798         general-regs-only.
2799         (TARGET_HARD_FLOAT_SUB): Define.
2800         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2801         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2802         (TARGET_REALLY_IWMMXT2): Likewise.
2803         * config/arm/arm.opt: Add -mgeneral-regs-only.
2804         * doc/extend.texi: Document ARM general-regs-only target.
2805         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2806
2807 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2808
2809         PR tree-optimization/90078
2810         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2811         checks for infinite_cost overflow.
2812
2813 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2814
2815         PR tree-optimization/90021
2816         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2817         and check univariate against it.
2818         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2819         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2820
2821 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2822
2823         PR target/90178
2824         Revert:
2825         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2826
2827         Revert the revert:
2828         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2829
2830         Revert:
2831         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2832
2833         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2834
2835 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2836
2837         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2838         names using operand format, rather than hard-wired.
2839         (speculation_barrier): Likewise.
2840
2841 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2842
2843         PR tree-optimization/88055
2844         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2845         (gen_one_condition): Use it if !HONOR_NANS.
2846
2847 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR middle-end/90139
2850         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2851         assign_temp instead of gen_reg_rtx.
2852
2853 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2854
2855         PR translation/90118
2856         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2857         Add missing space before %<.
2858
2859 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2860
2861         PR rtl-optimization/87871
2862         * ira-lives.c (make_object_dead): Don't add conflicts to
2863         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2864
2865 2019-04-18  Martin Sebor  <msebor@redhat.com>
2866
2867         PR middle-end/89797
2868         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2869         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2870         assuming type size fits in SHWI.
2871
2872 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2873
2874         PR ipa/85051
2875         * ipa-inline.c (flatten_function): New parameter UPDATE.
2876         (ipa_inline, early_inliner): Use it.
2877
2878 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2879
2880         * fold-const.c (int_const_binop): Return early on failure.
2881
2882 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2883
2884         PR middle-end/85164
2885         * combine.c (force_int_to_mode): Cast the argument rather than
2886         the result of known_alignment.
2887         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2888
2889 2019-04-18  Richard Biener  <rguenther@suse.de>
2890
2891         PR debug/90131
2892         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2893         out from ...
2894         (remove_forwarder_block): ... here.
2895         (remove_forwarder_block_with_phi): Also move debug stmts here.
2896
2897 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2898
2899         PR translation/79183
2900         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2901         inform where appropriate.
2902
2903 2019-04-18  Richard Biener  <rguenther@suse.de>
2904
2905         * tree.c (get_qualified_type): Put found type variants at the
2906         head of the variant list.
2907
2908 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2909
2910         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2911
2912 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2913
2914         PR target/90125
2915         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2916         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2917         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2918         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2919         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2920
2921 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2922
2923         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2924         even for allocno's with no conflicts.
2925         (print_conflicts): Print an extra newline.
2926
2927 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2928
2929         * auto-inc-dec.c (attempt_change): Set the alignment of the
2930         temporary memory to that of the original.
2931
2932 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2933
2934         * targhooks.c (default_print_patchable_function_entry): Emit
2935         __patchable_function_entries section with writable flags to allow
2936         relocation resolution.
2937
2938 2019-04-17  Jonny Grant  <jg@jguk.org>
2939
2940         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2941
2942 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2943
2944         PR middle-end/90095
2945         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2946         on lowpart SUBREGs.
2947
2948 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2949
2950         * config/arc/arc.c (arc_init): Format diagnostic string.
2951         (arc_override_options): Likewise.
2952         (check_if_valid_regno_const): Likewise.
2953         (arc_reorg): Likewise.
2954
2955 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2956
2957         PR target/17108
2958         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
2959         name.
2960         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
2961         name.
2962         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
2963         (*movdi_update1): Use Pmode.
2964         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
2965         (movdi_<mode>_update_stack): Rename to ...
2966         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
2967         use Pmode.
2968         (*movsi_update1): Use Pmode.
2969         (*movsi_update2): Use Pmode.
2970         (movsi_update): Rename to ...
2971         (movsi_<mode>_update): ... this.  Use Pmode.
2972         (movsi_update_stack): Fix condition.
2973         (*movhi_update1): Use Pmode.  Fix argument to
2974         avoiding_indexed_address_p.
2975         (*movhi_update2): Ditto.
2976         (*movhi_update3): Ditto.
2977         (*movhi_update4): Ditto.
2978         (*movqi_update1): Ditto.
2979         (*movqi_update2): Ditto.
2980         (*movqi_update3): Ditto.
2981         (*movsf_update1, *movdf_update1): Merge, rename to...
2982         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
2983         avoiding_indexed_address_p.  Add "size" attribute.
2984         (*movsf_update2, *movdf_update2): Merge, rename to...
2985         (*mov<mode>_update2): This.  Ditto.
2986         (*movsf_update3): Use Pmode.  Fix argument to
2987         avoiding_indexed_address_p.
2988         (*movsf_update4): Ditto.
2989         (allocate_stack): Simplify condition.  Adjust pattern names.
2990
2991 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2992
2993         PR target/89093
2994         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
2995         whitespace at the start of target attribute string.
2996
2997 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
2998
2999         PR target/84369
3000         * config/rs6000/power9.md: Add store forwarding bypass.
3001
3002 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3003
3004         PR debug/89528
3005         * valtrack.c (dead_debug_insert_temp): Reset debug references
3006         to the return value of a call being removed.
3007
3008 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3009
3010         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3011         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3012         implement target hook.
3013         (arc_memory_move_cost): New function.
3014         (TARGET_REGISTER_MOVE_COST): Define.
3015         (TARGET_MEMORY_MOVE_COST): Likewise.
3016         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3017         (MEMORY_MOVE_COST): Likewise.
3018
3019 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3020
3021         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3022         (sibcall_value_insn): Likewise.
3023         * config/arc/constraints.md (Rs5): Remove.
3024
3025 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3026
3027         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3028         for last two fake registers.
3029         (arc_conditional_register_usage): Make sure fake frame and arg
3030         pointer regs are in general regs class.
3031         (FRAME_POINTER_MASK): Remove.
3032         (RETURN_ADDR_MASK): Remove.
3033         (arc_must_save_register): Use hard frame regnum.
3034         (frame_restore_reg): Use hard_frame_pointer_rtx.
3035         (arc_save_callee_saves): Likewise.
3036         (arc_restore_callee_saves): Likewise.
3037         (arc_save_callee_enter): Likewise.
3038         (arc_restore_callee_leave): Likewise.
3039         (arc_save_callee_milli): Likewise.
3040         (arc_eh_return_address_location): Likewise.
3041         (arc_check_multi): Use hard frame regnum.
3042         (arc_can_eliminate): Likewise.
3043         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3044         for register allocator.
3045         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3046         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3047         (FRAME_POINTER_REGNUM): Change it to a fake register.
3048         (HARD_FRAME_POINTER_REGNUM): Defined.
3049         (ARG_POINTER_REGNUM): Change it to a new fake register.
3050         (ELIMINABLE_REGS): Update.
3051         (REGISTER_NAMES): Update names.
3052         * config/arc/arc.md (LP_START): Remove.
3053         (LP_END): Likewise.
3054         (shift_si3_loop): Update pattern.
3055
3056 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3057
3058         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3059         to avoid delay slot scheduling.
3060         (arc_must_save_register): Don't save SP.
3061         * config/arc/arc.md (stack_tie): Remove.
3062         (UNSPEC_ARC_STKTIE): Likewise.
3063
3064 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3065             Shiva Chen  <shiva0217@gmail.com>
3066
3067         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3068         code gen with large shift amount.
3069
3070 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3071
3072         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3073         subreg.
3074
3075 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3076
3077         PR target/90096
3078         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3079         print -m64/-mx32/-m32 if it is true.
3080         (ix86_debug_options, ix86_function_specific_print): Pass true as
3081         ADD_ABI_P to ix86_target_string.
3082         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3083         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3084         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3085
3086         PR rtl-optimization/90082
3087         * dce.c (can_delete_call): New function.
3088         (deletable_insn_p, mark_insn): Use it.
3089
3090         PR tree-optimization/90090
3091         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3092         throw internally.
3093         (is_division_by_square): Likewise.  Formatting fix.
3094
3095 2019-04-16  Richard Biener  <rguenther@suse.de>
3096
3097         PR tree-optimization/56049
3098         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3099         equality check if alias-set zero will prevail.
3100
3101 2019-04-15  Jeff Law  <law@redhat.com>
3102
3103         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3104         size and alignment as unsigned.
3105
3106 2019-04-15  Richard Biener  <rguenther@suse.de>
3107
3108         PR debug/90074
3109         * tree-loop-distribution.c (destroy_loop): Preserve correct
3110         debug info.
3111
3112 2019-04-15  Richard Biener  <rguenther@suse.de>
3113
3114         PR tree-optimization/90071
3115         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3116         abnormal operands from def stmts.
3117
3118 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3119
3120         PR rtl-optimization/89794
3121         * combine.c (count_auto_inc): New function.
3122         (try_combine): Count how many auto_inc expressions there were in the
3123         original instructions.  Ensure we have the same number in the new
3124         instructions.  Remove the code that tried to ensure auto_inc side
3125         effects on i1 and i0 are not lost.
3126
3127 2019-04-15  Richard Biener  <rguenther@suse.de>
3128
3129         PR ipa/88936
3130         * tree.h (auto_var_p): Declare.
3131         * tree.c (auto_var_p): New function, split out from ...
3132         (auto_var_in_fn_p): ... here.
3133         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3134         member.
3135         (new_var_info): Initialize it.
3136         (set_uids_in_ptset): Also set the shadow variable uid if required.
3137         (ipa_pta_execute): Postprocess points-to solutions assigning
3138         shadow variable uids for locals that may reach their containing
3139         function recursively.
3140         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3141         assert but instead check whether the points-to solution is
3142         a singleton.
3143
3144 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3145
3146         PR ipa/pr89693
3147         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3148         the thunk chain.
3149
3150 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3151
3152         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3153
3154 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3155             Kito Cheng  <kito.cheng@gmail.com>
3156             Shiva Chen  <shiva0217@gmail.com>
3157
3158         * config/nds32/nds32-md-auxiliary.c
3159         (nds32_legitimize_pic_address): Use new PIC pattern.
3160         (nds32_legitimize_tls_address): Use new TLS pattern.
3161         (nds32_output_symrel): New.
3162         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3163         (nds32_alloc_relax_group_id): Ditto.
3164         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3165         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3166         relax_group_id.
3167         (nds32_group_tls_insn): Ditto.
3168         (nds32_group_float_insns): Ditto.
3169         * config/nds32/nds32.md (tls_le): New.
3170         (sym_got): Ditto.
3171
3172 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3173
3174         * configure: Add nds32 target for dwarf2 debug_line checking.
3175         * configure.ac: Regenerated.
3176
3177 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3178
3179         PR lto/89358
3180         * ipa-devirt.c (skip_in_fields_list_p): New.
3181         (odr_types_equivalent_p): Use it.
3182
3183 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3184
3185         PR target/89093
3186         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3187         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3188
3189 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3190
3191         * doc/install.texi: Document --with-target-system-zlib.
3192
3193 2019-04-12  Martin Sebor  <msebor@redhat.com>
3194
3195         PR c/88383
3196         PR c/89288
3197         PR c/89798
3198         PR c/89797
3199         * targhooks.c (default_vector_alignment): Avoid assuming
3200         argument fits in SHWI.
3201         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3202         a shift expression.
3203         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3204
3205 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR rtl-optimization/89965
3208         * dce.c: Include rtl-iter.h.
3209         (struct check_argument_load_data): New type.
3210         (check_argument_load): New function.
3211         (find_call_stack_args): Check for loads from stack slots still tracked
3212         in sp_bytes and punt if any is found.
3213
3214         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3215
3216 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3217
3218         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3219         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3220
3221 2019-04-12  Martin Liska  <mliska@suse.cz>
3222
3223         PR middle-end/89970
3224         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3225         in error message.
3226         (separate_attrs): Handle multiple 'default's.
3227         (expand_target_clones): Rework error handling code.
3228
3229 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3230
3231         PR target/87532
3232         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3233         mode of vector rather than mode of destination for move instruction.
3234         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3235         Use QI inner mode with V16QI vector mode.
3236
3237 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3238
3239         PR target/52726
3240         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3241         "invalid %%t operand" in output_operand_lossage message.
3242
3243 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3244
3245         * config/s390/predicates.md (permute_pattern_operand): New
3246         predicate.
3247         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3248         operand for the permute pattern.
3249         ("*vec_perm<mode>"): New insn definition.
3250         ("bswap<mode>"): Generate the permute pattern operand in the
3251         expander and perform the operand reloads for pre arch13 level
3252         already.
3253         ("*bswap<mode>_emu"): Rename to ...
3254         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3255         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3256         Add the USE operand for the permute pattern.
3257         ("*vec_set_bswap_vec<mode>"): Likewise.
3258
3259 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3260
3261         PR c/89946
3262         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3263         and gcc_unreachable if it fails, just call tree_to_uhwi which
3264         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3265         Start warning message with a lower-case letter.  Formatting fixes.
3266
3267         PR rtl-optimization/90026
3268         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3269         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3270         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3271         in cfglayout mode, use emit_barrier_after_bb.
3272
3273 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3274
3275         PR rtl-optimization/87763
3276         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3277         New Instruction.
3278
3279 2019-04-11  Tom de Vries  <tdevries@suse.de>
3280
3281         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3282         max macro using statement expression.
3283
3284 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3285
3286         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3287         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3288         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3289         read_only_private_data_section using xcoff_private_rodata_section_name.
3290         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3291
3292 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3293
3294         PR target/90016
3295         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3296
3297 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3298
3299         PR rtl-optimization/89965
3300         * dce.c (sp_based_mem_offset): New function.
3301         (find_call_stack_args): Use sp_based_mem_offset.
3302
3303 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3304
3305         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3306
3307 2019-04-11  Richard Biener  <rguenther@suse.de>
3308
3309         PR tree-optimization/90020
3310         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3311         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3312         * tree-ssa-pre.c (compute_avail): Use it to not put
3313         possibly trapping references after a call that might not
3314         return into EXP_GEN.
3315         * gcse.c (compute_hash_table_work): Do not elide
3316         marking a block containing a call if the call might not
3317         return.
3318
3319 2019-04-11  Richard Biener  <rguenther@suse.de>
3320
3321         PR tree-optimization/90018
3322         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3323         Test both SLP and interleaving variants.
3324
3325 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3326
3327         * config/s390/8561.md: New file.
3328         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3329         Add arch13 cpu model.
3330         * config/s390/s390-opts.h (enum processor_type): Likewise.
3331         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3332         (s390_get_unit_mask): Likewise.
3333         (s390_is_fpd): Likewise.
3334         (s390_is_fxd): Likewise.
3335         * config/s390/s390.h (s390_tune_attr): Likewise.
3336         * config/s390/s390.md: Include arch13 pipeline description.
3337         * config/s390/s390.opt: Add arch13.
3338
3339 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3340
3341         PR rtl-optimization/87763
3342         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3343         New prototype.
3344         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3345         New function.
3346         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3347         New instruction.
3348         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3349         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3350         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3351         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3352
3353 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3354
3355         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3356         "Although" in -fipa-icf documentation.
3357
3358         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3359         of using multiple -g options.
3360
3361 2019-04-10  Martin Liska  <mliska@suse.cz>
3362
3363         PR gcov-profile/89959
3364         * doc/gcov.texi: Make documentation of -x option
3365         more precise.
3366
3367 2019-04-10  Richard Biener  <rguenther@suse.de>
3368
3369         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3370         member.
3371         (DR_GROUP_SAME_DR_STMT): Remove.
3372         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3373         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3374         replace with assert.
3375         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3376         (vect_record_grouped_load_vectors): Remove unreachable code.
3377
3378 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3379
3380         PR target/90016
3381         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3382         obsolete reference to N.
3383
3384 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3385
3386         PR middle-end/90025
3387         * expr.c (store_expr): Set properly size on the MEM passed to
3388         clear_storage.
3389
3390         PR c++/90010
3391         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3392         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3393         translation is needed, and when translation is needed, only append
3394         ... if the string length is hostsz or more bytes long.  Avoid using
3395         strncpy or strcat.
3396
3397 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3398
3399         PR target/90024
3400         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3401         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3402         into three.
3403         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3404         differences directly.
3405         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3406
3407 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3408
3409         PR translation/90011
3410         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3411         from diagnostics.
3412         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3413         diagnostics.
3414         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3415         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3416         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3417         trailing space from -gsplit-dwarf diagnostics.
3418
3419         PR tree-optimization/89998
3420         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3421         instead of integer_type_node if possible, don't add ranges if return
3422         type is not compatible with int.
3423         * gimple-fold.c (gimple_fold_builtin_sprintf,
3424         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3425         integer_type_node.
3426
3427 2019-04-09  Martin Liska  <mliska@suse.cz>
3428
3429         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3430         * doc/install.texi: Document the new config.
3431
3432 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3433
3434         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3435         use gimple_expr_type for load and store calls.  Skip over the
3436         condition argument in a conditional internal function.
3437         Protect use of TREE_INT_CST_LOW.
3438
3439 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3440
3441         PR target/90015
3442         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3443         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3444         trailing period from it too.
3445
3446 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3447
3448         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3449         * config/aarch64/aarch64.md : Add "tsv110.md"
3450         * config/aarch64/tsv110.md: New file.
3451
3452 2019-04-08  Richard Biener  <rguenther@suse.de>
3453
3454         PR tree-optimization/90006
3455         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3456         calls like lrint.
3457
3458 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3459
3460         PR target/83033
3461         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3462         construction.
3463         (fma_root_node): Likewise.
3464         (func_fma_steering): Likewise.
3465
3466 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR rtl-optimization/89865
3469         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3470
3471         PR rtl-optimization/89865
3472         * config/i386/i386.md
3473         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3474         numbers not to clash with the additional operands[4].
3475         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3476         with extra register copy in the middle.
3477
3478 2019-04-08  Martin Liska  <mliska@suse.cz>
3479
3480         PR gcov-profile/89961
3481         * doc/gcov.texi: Document data_file.
3482         * gcov.c (generate_results): Add data_info into JSON output.
3483
3484 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3485
3486         PR tree-optimization/89725
3487         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3488         loop's chrec as invariant symbol.
3489         * tree-chrec.h (chrec_contains_symbols): New parameter.
3490         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3491         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3492         function of loops not in DDR's loop_nest.
3493         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3494
3495 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3496
3497         PR target/89623
3498         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3499         Mask.
3500
3501 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3502
3503         PR target/89945
3504         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3505         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3506
3507 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3508
3509         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3510         targetm.fixed_condition_code_regs.
3511
3512 2019-04-05  Richard Biener  <rguenther@suse.de>
3513
3514         PR debug/89892
3515         PR debug/89905
3516         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3517         debug bind stmts but reset them if they are not valid at the
3518         destination.
3519
3520 2019-04-05  Martin Liska  <mliska@suse.cz>
3521
3522         PR translation/89936
3523         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3524         order to wrap keywords or arguments.
3525         * collect2.c (main): Likewise.
3526         (scan_prog_file): Likewise.
3527         (scan_libraries): Likewise.
3528         * common/config/riscv/riscv-common.c
3529         (riscv_subset_list::parsing_subset_version): Likewise.
3530         (riscv_subset_list::parse_std_ext): Likewise.
3531         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3532         Likewise.
3533         * config/arm/arm.c (arm_option_override): Likewise.
3534         * config/cris/cris.c (cris_print_operand): Likewise.
3535         * config/darwin-c.c (darwin_pragma_options): Likewise.
3536         (darwin_pragma_unused): Likewise.
3537         (darwin_pragma_ms_struct): Likewise.
3538         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3539         * config/i386/i386.c (print_reg): Likewise.
3540         (ix86_print_operand): Likewise.
3541         * config/i386/xm-djgpp.h: Likewise.
3542         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3543         * config/m32c/m32c.c (m32c_option_override): Likewise.
3544         * config/msp430/msp430.c (msp430_option_override): Likewise.
3545         * config/nds32/nds32.c (nds32_option_override): Likewise.
3546         * config/nvptx/mkoffload.c (main): Likewise.
3547         * config/rx/rx.c (rx_print_operand): Likewise.
3548         (valid_psw_flag): Likewise.
3549         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3550         (vms_pragma_nomember_alignment): Likewise.
3551         (vms_pragma_extern_model): Likewise.
3552         * lto-wrapper.c (compile_offload_image): Likewise.
3553         * omp-offload.c (oacc_parse_default_dims): Likewise.
3554         * symtab.c (symtab_node::verify_base): Likewise.
3555         * tlink.c (recompile_files): Likewise.
3556         (start_tweaking): Likewise.
3557         * tree-profile.c (parse_profile_filter): Likewise.
3558
3559 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3560
3561         PR tree-optimization/89956
3562         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3563         multiple negates of the same value.
3564
3565 2019-04-04  Martin Sebor  <msebor@redhat.com>
3566
3567         PR middle-end/89957
3568         PR middle-end/89911
3569         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3570         have the same precision since the function crashes otherwise.
3571         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3572         has non-zero arguments.
3573
3574 2019-04-04  Martin Sebor  <msebor@redhat.com>
3575
3576         PR middle-end/89934
3577         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3578         out if the number of arguments is less than expected.
3579
3580 2019-04-04  Jeff Law  <law@redhat.com>
3581
3582         PR rtl-optimization/89399
3583         * ree.c (combine_set_extension): Use single_set rather than
3584         digging into PATTERN for items on the candidate list.
3585         (combine_reaching_defs): Likewise.
3586
3587 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3588
3589         PR rtl-optimization/46590
3590         * loop-invariant.c (find_defs): Move df_remove_problem and
3591         df_process_deferred_rescans to move_invariants.
3592         Move df_live_add_problem and df_live_set_all_dirty calls
3593         to move_invariants.
3594         (move_invariants): Likewise.
3595         (move_loop_invariants): Likewise, making the df_live calls
3596         conditional on -O.  Remove the problem again if we added it
3597         locally.
3598
3599 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3600
3601         PR tree-optimization/89730
3602         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3603         -flive-patching=inline-only-static.
3604         (can_inline_edge_by_limits_p): Add the checking for
3605         -flive-patching=inline-only-static and grant always_inline
3606         even when -flive-patching=inline-only-static is specified.
3607
3608 2019-04-03  Jeff Law  <law@redhat.com>
3609
3610         PR rtl-optimization/81025
3611         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3612
3613 2019-04-03  Richard Biener  <rguenther@suse.de>
3614
3615         PR tree-optimization/84101
3616         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3617         regs.h for hard_regno_nregs.
3618         (cfun_returns): New helper.
3619         (vect_model_store_cost): When vectorizing a store to a decl
3620         we return and the function ABI returns in a multi-reg location
3621         account for the possible spilling that will happen.
3622
3623 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3624
3625         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3626         displacement addresses for vector mode operands.
3627
3628 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3629
3630         * config/arc/arc.c (GMASK_LEN): Define.
3631         (arc_restore_callee_saves): Restore first blink when
3632         !optimize_size.
3633
3634 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3635
3636         * doc/extend.texi: Add deprecated comment on sign-return-address
3637         function attribute and add mbranch-protection.
3638         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3639
3640 2019-04-03  Richard Biener  <rguenther@suse.de>
3641
3642         PR lto/89896
3643         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3644         the all target phony.
3645
3646 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3647
3648         PR target/89902
3649         PR target/89903
3650         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3651         Return false for variable DImode shifts.
3652         (dimode_scalar_chain::compute_convert_gain): Do not handle
3653         register count operand in variable DImode shifts.
3654         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3655         count argument of a variable shift instruction to a vector register.
3656         (dimode_scalar_chain::convert_reg): Remove support to convert
3657         count argument of a variable shift instruction.
3658
3659 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3660
3661         PR rtl-optimization/84206
3662         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3663         iterating over loop headers.
3664
3665 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3666
3667         PR rtl-optimization/85876
3668         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3669         beyond the original fence.
3670
3671 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3672
3673         * config.gcc: Mark spu* targets as deprecated/obsolete.
3674
3675 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3676
3677         * config/s390/s390-builtin-types.def: New builtin function type
3678         definitions. Remove unused types.
3679         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3680         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3681         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3682         overloaded builtins.
3683         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3684         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3685         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3686         (vec_double, vec_signed, vec_unsigned): Define to use the new
3687         overloaded builtins.
3688         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3689         Remove expanders.
3690
3691 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3692
3693         * config/s390/s390-builtin-types.def: New builtin function type
3694         definitions.
3695         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3696         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3697         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3698         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3699         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3700         constant definitions.
3701         * config/s390/vecintrin.h (vec_search_string_cc)
3702         (vec_search_string_until_zero_cc): New builtin name definitions.
3703         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3704         expanders.
3705         ("vec_vstrs<mode>"): New insn definition.
3706
3707 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3708
3709         * config/s390/s390-builtin-types.def: Add new builtin function
3710         types.
3711         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3712         New overloaded builtins.
3713         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3714         s390_vsrd.
3715         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3716         (UNSPEC_VEC_SLDBYTE): ... this.
3717         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3718         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3719         definitions.
3720         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3721         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3722         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3723
3724 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3725
3726         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3727         New insn definition.
3728         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3729         * config/s390/vector.md (V_HW_HSD): ... here.
3730
3731 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3732
3733         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3734         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3735         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3736         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3737         New insn definitions.
3738
3739 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3740
3741         * config/s390/s390-builtin-types.def: Add new builtin function type.
3742         * config/s390/s390-builtins.def: Add overloaded builtin
3743         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3744         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3745         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3746         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3747         ("eltswap<mode>"): New expander.
3748         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3749         insn definitions.
3750
3751 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3752
3753         * config/s390/s390-builtin-types.def: Add new builtin function types.
3754         * config/s390/s390-builtins.def: Add overloaded builtin
3755         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3756         instructions.
3757         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3758         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3759         ("bswap<mode>"): New expander.
3760         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3761
3762 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3763
3764         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3765         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3766         vector builtin version number in __VEC__.
3767
3768 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3769
3770         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3771         iterators.
3772         (SFSI): New mode attribute.
3773         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3774         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3775         rename to ...
3776         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3777         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3778         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3779         ("floatsi<mode>2"): Add wcefb instruction.
3780
3781 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3782
3783         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3784         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3785         mode iterators.
3786         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3787         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3788         support 32 bit fp-int conversions. Rename to ...
3789         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3790         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3791         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3792         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3793         ... to these.
3794
3795 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3796
3797         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3798         if-then-else constructs if we can use the select instruction.
3799         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3800
3801 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3802
3803         * config/s390/s390.md ("*popcountdi_arch13_cc")
3804         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3805         definition.
3806         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3807         Append _z196 to make it ...
3808         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3809         ("popcounthi2_z196"): ... this.
3810         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3811         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3812
3813 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3814
3815         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3816         certain compares for arch13 in order to make use of the condition
3817         code result produced by the new instructions.
3818         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3819         nxrk, and nxgrk instruction patterns.
3820         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3821         (inv_no): Add new code iterator together with some attributes.
3822         ("*andc_split_<mode>"): Disable splitter for arch13.
3823         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3824         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3825         ("*<ANDOR:bitops_name>c<GPR:mode>")
3826         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3827         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3828         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3829         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3830
3831 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3832
3833         * common/config/s390/s390-common.c (processor_flags_table): New
3834         entry for arch13.
3835         * config.gcc: Support arch13 with the --with-arch= configure flag.
3836         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3837         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3838         * config/s390/s390.c (s390_get_sched_attrmask)
3839         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3840         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3841         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3842         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3843         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3844         definitions.
3845         * config/s390/s390.opt: Support arch13 as processor type in
3846         command line options.
3847
3848 2019-04-02  Martin Liska  <mliska@suse.cz>
3849
3850         PR translation/89912
3851         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3852         Fix param description of graphite-max-arrays-per-scop.
3853
3854 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3855
3856         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3857         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3858         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3859
3860 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3861
3862         PR rtl-optimization/85412
3863         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3864         sel_sched_region_1, not after.
3865
3866 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3867
3868         PR rtl-optimization/86928
3869         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3870         compute_live if necessary.
3871         (sel_redirect_edge_and_branch): Likewise.
3872
3873 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3874
3875         PR rtl-optimization/89865
3876         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3877         register if it is a part of small class.
3878
3879 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3880
3881         PR rtl-optimization/87273
3882         * sel-sched-ir.c (merge_fences): Remove assert.
3883
3884 2019-04-01  Richard Biener  <rguenther@suse.de>
3885
3886         PR tree-optimization/46590
3887         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3888         (dom_walker::m_reachability): Add in place of...
3889         (dom_walker::m_skip_unreachable_blocks): ...this.
3890         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3891         Move complex initialization ...
3892         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3893         lazily and initialize edge flags on each invocation.
3894         (dom_walker::bb_reachable): Use m_reachability.
3895
3896 2019-04-01  Martin Liska  <mliska@suse.cz>
3897
3898         PR driver/89861
3899         * opt-suggestions.c (option_proposer::build_option_suggestions):
3900         Add variant without any argument in order to provide better
3901         hints.
3902
3903 2019-04-01  Richard Biener  <rguenther@suse.de>
3904
3905         PR c/71598
3906         * gimple.c: Include langhooks.h.
3907         (gimple_get_alias_set): Treat enumeral types as the underlying
3908         integer type.
3909
3910 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3911             Eric Botcazou  <ebotcazou@adacore.com>
3912
3913         PR rtl-optimization/89862
3914         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3915         that operates on the full registers for WORD_REGISTER_OPERATIONS
3916         architectures.
3917
3918 2019-03-29  Jim Wilson  <jimw@sifive.com>
3919
3920         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3921         Clear MASK_RVC and then set if C subset supported.
3922
3923 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3924
3925         PR c/89872
3926         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3927         non-addressable complit into its initializer if it is volatile.
3928
3929 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3930
3931         * opts-common.c (integral_argument): Set errno properly in one case.
3932
3933 2019-03-29  Martin Liska  <mliska@suse.cz>
3934
3935         * doc/invoke.texi: Remove -Wchkp from documentation.
3936
3937 2019-03-29  Martin Liska  <mliska@suse.cz>
3938
3939         * dbgcnt.c (print_limit_reach): New function.
3940         (dbg_cnt): Use it.
3941
3942 2019-03-29  Martin Liska  <mliska@suse.cz>
3943
3944         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3945         (dbg_cnt_process_opt): Parse first tokens aas
3946         dbg_cnt_process_single_pair is also using strtok.
3947
3948 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3949
3950         PR rtl-optimization/87485
3951         * function.c (expand_function_end): Move stack_protect_epilogue
3952         before loading of return value into hard register(s).
3953
3954 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3955
3956         PR middle-end/89621
3957         * tree-inline.h (struct copy_body_data): Add
3958         dont_remap_vla_if_no_change flag.
3959         * tree-inline.c (remap_type_3, remap_type_2): New functions.
3960         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
3961         and remap_type_2 returns false.
3962         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
3963         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
3964         only from where it is copied to nested contexts.
3965
3966 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3967
3968         PR target/89865
3969         * config/i386/i386.md (RMW operation with LEA peephole):
3970         Use LEAMODE mode attribute instead of SWI mode iterator for
3971         LEA pattern.
3972
3973 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
3974
3975         PR target/89848
3976         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
3977         Also process XEXP (src, 0) of a shift insn.
3978
3979 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
3980
3981         PR middle-end/89725
3982         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
3983         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
3984
3985 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3986
3987         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
3988         test.
3989         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
3990         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
3991         immediately after first one with df_analyze in between, but rather
3992         process all bbs, queueing ones that need second pass in a worklist,
3993         df_analyze, process queued debug insn changes and if second pass is
3994         needed, process bbs from worklist, df_analyze, process queued debug
3995         insns again.
3996
3997         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
3998         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
3999         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4000
4001 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4002
4003         PR c/79022
4004         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4005         definition.
4006
4007 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4008
4009         PR target/85667
4010         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4011         function for 32-bit MS_ABI.
4012         (function_value_ms_32): New function.
4013
4014 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4015
4016         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4017         (movdi): Call gen_movdi_symbol_save_scc.
4018         (gen_movdi_symbol_save_scc): New insn and split.
4019
4020 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4021
4022         PR rtl-optimization/89313
4023         * function.c (matching_constraint_num): New static function.
4024         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4025         Don't replace inputs with non-matching constraints which conflict
4026         with early clobber outputs.
4027
4028 2019-03-27  Jeff Law  <law@redhat.com>
4029
4030
4031         PR rtl-optimization/87761
4032         PR rtl-optimization/89826
4033         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4034         slightly later.
4035         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4036         note problem to get REG_DEAD/REG_UNUSED notes updated.
4037
4038 2019-03-27  Richard Biener  <rguenther@suse.de>
4039
4040         PR tree-optimization/89463
4041         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4042         queue edges to remove.
4043         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4044         dead stmts.  Delay edge removal until PHIs are removed to
4045         make debug-stmt creation not confused by seemingly degenerate
4046         PHIs.
4047
4048 2019-03-27  Alan Modra  <amodra@gmail.com>
4049
4050         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4051         throughout file.
4052         * config/rs6000/darwin.h: Likewise.
4053         * config/rs6000/rs6000.c: Likewise.
4054
4055 2019-03-27  Alan Modra  <amodra@gmail.com>
4056
4057         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4058         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4059
4060 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4061             Jim Wilson  <jimw@sifive.com>
4062
4063         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4064         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4065         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4066         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4067         (generic_alu): Add auipc to type list.
4068         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4069         (riscv_microarchitecture): Declare.
4070         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4071         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4072         field.
4073         (riscv_microarchitecture): New.
4074         (sifive_7_tune_info): New.
4075         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4076         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4077         entries.
4078         (riscv_store_data_bypass_p): New.
4079         (riscv_option_override): Set riscv_microarchitecture from
4080         cpu->microarchitecture.
4081         * config/riscv/riscv.md: Include sifive-7.md.
4082         (type): Add auipc.
4083         (tune): New.
4084         (auipc<mode>): Change type to auipc.
4085         (restore_stack_nonlocal): New.
4086         * config/riscv/sifive-7.md: New.
4087         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4088
4089 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4090
4091         PR target/89827
4092         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4093         Also process XEXP (src, 0) of a shift insn.
4094
4095 2019-03-26  Richard Biener  <rguenther@suse.de>
4096
4097         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4098         (copy_debug_stmt): Likewise.
4099         (expand_call_inline): Likewise.
4100         (copy_bb): Avoid redundant lookup & set of gimple_block.
4101         * gimple-low.c (lower_gimple_return): Likewise.
4102         (lower_builtin_setjmp): Likewise.
4103
4104 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4105
4106         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4107         is constant 0, turn into static const data member initialized to false.
4108         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4109         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4110
4111 2019-03-26  Jason Merrill  <jason@redhat.com>
4112             Jakub Jelinek  <jakub@redhat.com>
4113
4114         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4115         method.
4116         (mem_alloc_description::release_object_overhead): Fix comment typos.
4117         * hash-table.h (hash_table::~hash_table): Call
4118         release_instance_overhead only if m_entries is non-NULL, otherwise
4119         call unregister_descriptor.
4120
4121 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4122
4123         PR tree-optimization/81740
4124         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4125         In case of outer loop vectorization, check for backward dependence
4126         at the inner loop if outer loop dependence is reversed.
4127
4128 2019-03-26  Alan Modra  <amodra@gmail.com>
4129
4130         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4131         rs6000_vector_mem init.  Correct wI and wJ comment.
4132
4133 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4134
4135         PR rtl-optimization/88347
4136         PR rtl-optimization/88423
4137         * sched-deps.c (sched_analyze_insn): Take into account that for
4138         tablejumps the barrier appears after a label and a jump_table_data.
4139
4140 2019-03-25  Martin Sebor  <msebor@redhat.com>
4141
4142         PR c/89812
4143         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4144         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4145         convert it to UHWI when it fits.
4146
4147 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4148
4149         PR debug/86964
4150         * dwarf2out.c (premark_used_variables): New function.
4151         (prune_unused_types_walk): Do not mark not premarked external
4152         variables.
4153         (prune_unused_types): Call premark_used_variables.
4154
4155 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4156
4157         PR rtl-optimization/89676
4158         * lra-constraints.c (curr_insn_transform): Do match reload for
4159         early clobbers when the match was successful only for different
4160         registers.
4161
4162 2019-03-25  Martin Sebor  <msebor@redhat.com>
4163
4164         * doc/extend.texi (Common Type Attributes): Document vector_size.
4165         (Common Variable Attributes): Mention size constraint.  Correct
4166         quoting and typos.
4167         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4168         base type and size constraints.
4169
4170 2019-03-25  Richard Biener  <rguenther@suse.de>
4171
4172         PR tree-optimization/89789
4173         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4174         changes from non-undefined back to undefined.
4175
4176 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4177
4178         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4179         heap string and a gc string, but since this variable is unknown to
4180         ggc the gc string might get reused and corrupted. Fixed by always
4181         using a heap string.
4182
4183 2019-03-25  Richard Biener  <rguenther@suse.de>
4184
4185         PR tree-optimization/89779
4186         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4187         to remove IV defs, delay actual removal.
4188         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4189         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4190         very end, properly also reset loop control IV information.
4191
4192 2019-03-25  Richard Biener  <rguenther@suse.de>
4193
4194         PR tree-optimization/89802
4195         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4196         move EH data to folded stmt.
4197
4198 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4199
4200         * config/s390/s390-builtin-types.def: Remove few unused types and
4201         fix sort order for others.
4202
4203 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4204
4205         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4206         expected and found types with -mdebug during builtin matching.
4207
4208 2019-03-25  Richard Biener  <rguenther@suse.de>
4209
4210         PR middle-end/89790
4211         * fold-const.c (operand_equal_p): Revert last change with
4212         updated comment.
4213
4214 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4215
4216         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4217         notes for the result of the __tls_get_addr calls.
4218         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4219
4220 2019-03-24  Jeff Law  <law@redhat.com>
4221
4222         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4223
4224         PR rtl-optimization/87761
4225         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4226         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4227         as needed.
4228         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4229         rescans.  Reprocess blocks as needed, calling df_analyze before
4230         reprocessing.  Always call df_analyze before fixing up debug bind
4231         insns.
4232
4233 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4234
4235         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4236         big endian.
4237
4238 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4239
4240         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4241         attrribute for uxtw.
4242
4243 2019-03-26  Jeff Law  <law@redhat.com>
4244
4245         PR rtl-optimization/87761
4246         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4247         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4248         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4249         into the next instruction.
4250         (mips_split_move_insn): Pass INSN through to mips_split_move.
4251
4252 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4253
4254         PR rtl-optimization/89676
4255         * lra-constraints.c (curr_insn_transform): Do match reload for
4256         early clobbers even if the match was successful.
4257
4258 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4259
4260         PR c++/87481
4261         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4262
4263 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4264
4265         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4266
4267 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4268
4269         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4270         <avx512>_fmsub_<mode>_mask3<round_name>,
4271         <avx512>_fnmadd_<mode>_mask3<round_name>,
4272         <avx512>_fnmsub_<mode>_mask3<round_name>,
4273         avx512f_vmfmadd_<mode>_mask3<round_name>,
4274         avx512f_vmfmsub_<mode>_mask3<round_name>,
4275         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4276         instead of register_operand and %v instead of v for match_operand 1.
4277         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4278         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4279         <round_nimm_predicate> instead of register_operand and %v instead of v
4280         for match_operand 1.
4281
4282         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4283         <avx512>_fmadd_<mode>_mask3<round_name>,
4284         <avx512>_fmsub_<mode>_mask<round_name>,
4285         <avx512>_fmsub_<mode>_mask3<round_name>,
4286         <avx512>_fnmadd_<mode>_mask<round_name>,
4287         <avx512>_fnmadd_<mode>_mask3<round_name>,
4288         <avx512>_fnmsub_<mode>_mask<round_name>,
4289         <avx512>_fnmsub_<mode>_mask3<round_name>,
4290         <avx512>_fmaddsub_<mode>_mask<round_name>,
4291         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4292         <avx512>_fmsubadd_<mode>_mask<round_name>,
4293         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4294         <round_nimm_predicate> instead of nonimmediate_operand.
4295         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4296         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4297         Use register_operand instead of <round_nimm_predicate> for the
4298         operand that needs to match output.
4299         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4300         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4301         Likewise.  Formatting fixes.
4302
4303         PR target/89784
4304         * config/i386/i386.c (enum ix86_builtins): Remove
4305         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4306         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4307         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4308         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4309         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4310         __builtin_ia32_vfmsubss3_mask3): New builtins.
4311         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4312         avx512f_vmfmadd_<mode>_mask3<round_name>,
4313         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4314         *avx512f_vmfmsub_<mode>_mask<round_name>,
4315         avx512f_vmfmsub_<mode>_mask3<round_name>,
4316         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4317         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4318         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4319         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4320         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4321         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4322         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4323         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4324         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4325         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4326         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4327         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4328         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4329         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4330         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4331         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4332         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4333         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4334         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4335         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4336         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4337         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4338         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4339         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4340         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4341         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4342         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4343         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4344
4345 2019-03-21  Martin Sebor  <msebor@redhat.com>
4346
4347         PR tree-optimization/89350
4348         * builtins.c (compute_objsize): Also ignore offsets whose upper
4349         bound is negative.
4350         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4351         (builtin_memref::builtin_memref): Initialize new member.
4352         Allow EXPR to be null.
4353         (builtin_memref::extend_offset_range): Replace local with a member.
4354         Avoid assuming pointer offsets are unsigned.
4355         (builtin_memref::set_base_and_offset): Determine base object
4356         before computing offset range.
4357         (builtin_access::builtin_access): Handle memset.
4358         (builtin_access::generic_overlap): Replace local with a member.
4359         (builtin_access::strcat_overlap): Same.
4360         (builtin_access::overlap): Same.
4361         (maybe_diag_overlap): Same.
4362         (maybe_diag_access_bounds): Same.
4363         (wrestrict_dom_walker::check_call): Handle memset.
4364         (check_bounds_or_overlap): Same.
4365
4366 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4367             Jakub Jelinek  <jakub@redhat.com>
4368
4369         PR lto/89692
4370         * tree.c (fld_type_variant, fld_incomplete_type_of,
4371         fld_process_array_type): Call fld->pset.add and don't call
4372         add_tree_to_fld_list if it returns true.
4373         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4374         non-marked types from TYPE_NEXT_VARIANT list.
4375         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4376
4377 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4378
4379         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4380         to false, if true, don't alloc_entries during construction, but defer
4381         it to the first method that needs m_entries allocated.
4382         (hash_table::hash_table, hash_table::~hash_table,
4383         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4384         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4385         hash_table::clear_slot, hash_table::traverse_noresize,
4386         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4387         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4388         false.
4389         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4390         NO_INSERT instead of find_with_hash.
4391         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4392         hash_set::m_table): Add Lazy to template params of hash_table.
4393         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4394         * attribs.c (test_attribute_exclusions): Likewise.
4395         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4396         hash_set.  Add tests for hash_set with Lazy = true.
4397
4398 2019-03-21  Richard Biener  <rguenther@suse.de>
4399
4400         PR tree-optimization/89779
4401         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4402         checks with respect to released SSA names now having error_mark_node
4403         type.
4404         * fold-const.c (operand_equal_p): Likewise.
4405
4406 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4407
4408         PR target/89775
4409         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4410         available to ...
4411         (s390_optimize_register_info): Use global_not_special_regno_p to
4412         check for global regs.
4413
4414 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4415
4416         PR target/89752
4417         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4418         update this_alternative nor this_alternative_set.
4419
4420 2019-03-19  Jim Wilson  <jimw@sifive.com>
4421
4422         PR target/89411
4423         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4424         align, size, offset.  Use them to handle a BLKmode reference.  Update
4425         comment.
4426         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4427
4428 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4429
4430         PR rtl-optimization/89768
4431         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4432         instead of GEN_INT.
4433         (unroll_loop_runtime_iterations): Likewise.
4434
4435 2019-03-19  Martin Sebor  <msebor@redhat.com>
4436
4437         PR tree-optimization/89644
4438         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4439         rather than endptr as an indicator of nul-termination.
4440
4441         PR tree-optimization/89644
4442         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4443         arrays in determining sequence sizes in strncpy and stpncpy.
4444
4445 2019-03-19  Martin Liska  <mliska@suse.cz>
4446
4447         PR middle-end/89737
4448         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4449         unlikely_edges if there's an edge that belongs to both these sets.
4450
4451 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4452
4453         PR target/89746
4454         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4455         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4456         go via a stack temporary.
4457
4458 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4459
4460         PR target/89378
4461         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4462         instead of gen_rtx_SUBREG.
4463         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4464
4465 2019-03-19  Richard Biener  <rguenther@suse.de>
4466
4467         PR debug/88389
4468         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4469
4470 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4471
4472         PR lto/87809
4473         PR lto/89335
4474         * tree.c (free_lang_data_in_decl): Do not free context of C++
4475         destrutors.
4476
4477 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4478
4479         PR target/89506
4480         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4481         subs for the first alternative except when operands[3] is 1.
4482
4483         PR target/89752
4484         * gimplify.c (gimplify_asm_expr): For output argument with
4485         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4486         diagnose error.
4487
4488 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4489
4490         PR rtl-optimization/89753
4491         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4492         explicit unrolling factor even more robust.
4493
4494 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4495
4496         PR target/89726
4497         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4498         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4499         signed zeros, do another copysign after the compensation.
4500
4501 2019-03-18  Martin Sebor  <msebor@redhat.com>
4502
4503         PR tree-optimization/89720
4504         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4505         more conservatively, the same as anti-range.
4506
4507 2019-03-18  Richard Biener  <rguenther@suse.de>
4508
4509         PR middle-end/88945
4510         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4511         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4512         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4513         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4514
4515 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4516
4517         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4518         Extend queue to 1024 entries.
4519         Add "consumed" field.
4520         (gomp_print_output): Remove print_index parameter.
4521         Add final parameter.
4522         Change limit to unsigned.
4523         Use consumed field to implement circular buffer.
4524         Detect interrupted print in final pass.
4525         Flush output at the end.
4526         (run): Update gomp_print_output usage.
4527         (main): Initialize kernargs->output_data.consumed.
4528
4529 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4530
4531         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4532         calculation of the minimum number of scalar iterations for
4533         fully-predicated loops.
4534
4535 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4536
4537         PR tree-optimization/89546
4538         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4539         any propagation to its children took place.
4540
4541 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4542
4543         PR target/89627
4544         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4545         parameter, and make use of it.
4546         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4547
4548 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4549
4550         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4551         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4552         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4553         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4554         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4555         match what the ops is doing.
4556         (push_multi_fp_blink): Likewise.
4557         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4558         compiling for size and elf target.
4559         (arc_save_callee_enter): Adjust note to match what enter/leave
4560         operation does.
4561
4562 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4563
4564         * config/arc/arc.md (tst_movb): Fix constraint.
4565
4566 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4567
4568         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4569
4570 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4571
4572         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4573         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4574         reg_alloc_order references.
4575         (size_alloc_order): Define.
4576         (arc_adjust_reg_alloc_order): New function.
4577         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4578         order.
4579         (ADJUST_REG_ALLOC_ORDER): Define.
4580         (HONOR_REG_ALLOC_ORDER): Likewise.
4581
4582 2019-03-18  Richard Biener  <rguenther@suse.de>
4583
4584         PR target/87561
4585         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4586         loads and stores a bit more.
4587
4588 2019-03-18  Richard Biener  <rguenther@suse.de>
4589
4590         PR target/87561
4591         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4592         load pessimization to stores as well.
4593
4594 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4595
4596         PR middle-end/86979
4597         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4598         successor, use NULL as its av set.
4599
4600 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4601
4602         PR rtl-optimization/89721
4603         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4604
4605 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4606
4607         PR target/87532
4608         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4609         When handling vec_extract, use modular arithmetic to allow
4610         constant selectors greater than vector length.
4611         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4612         V1TImode vectors to have constant selector values greater than 0.
4613         Use modular arithmetic to compute vector index.
4614         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4615         index for in-memory vectors.  Correct code generation for
4616         in-register vectors.
4617         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4618         compute index.
4619
4620 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4621
4622         PR c++/88534
4623         PR c++/88537
4624         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4625         VAR_DECL args.
4626
4627 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4628
4629         PR c++/89709
4630         * tree.c (inchash::add_expr): Strip any location wrappers.
4631         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4632         after hash verification.
4633
4634         PR debug/89704
4635         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4636         SIGN_EXTEND and ZERO_EXTEND.
4637
4638 2019-03-14  Jason Merrill  <jason@redhat.com>
4639             Jakub Jelinek  <jakub@redhat.com>
4640
4641         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4642         than if is_empty (*slot).
4643         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4644         existing elt and for elt removal.
4645         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4646         of already removed elt.
4647
4648 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4649
4650         PR target/89650
4651         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4652         REG_EH_REGION note.
4653
4654 2019-03-14  Martin Liska  <mliska@suse.cz>
4655
4656         PR other/89712
4657         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4658
4659 2019-03-14  Richard Biener  <rguenther@suse.de>
4660
4661         PR target/89711
4662         * config/i386/i386.c (make_resolver_func): Properly set
4663         DECL_CONTEXT on the RESULT_DECL.
4664         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4665
4666 2019-03-14  Richard Biener  <rguenther@suse.de>
4667
4668         * gimple-pretty-print.c: Include cfgloop.h.
4669         (dump_gimple_phi): Adjust.
4670         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4671         (pp_cfg_jump): Adjust.
4672         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4673         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4674         (lower_phi_internal_fn): Remove.
4675         (verify_gimple_call): Remove IFN_PHI special-casing.
4676         (dump_function_to_file): Dump IL state.
4677         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4678         done to deal with PHI nodes being present in non-SSA state.
4679
4680 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4681
4682         PR ipa/89684
4683         * multiple_target.c (create_dispatcher_calls): Change
4684         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4685         In the node->iterate_referring loop, push *ref rather than ref, call
4686         ref->remove_reference () and always pass 0 to iterate_referring.
4687
4688         PR rtl-optimization/89679
4689         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4690         would contain a paradoxical SUBREG.
4691
4692 2019-03-14  Richard Biener  <rguenther@suse.de>
4693
4694         PR tree-optimization/89710
4695         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4696         safe_dyn_cast.
4697
4698 2019-03-14  Martin Liska  <mliska@suse.cz>
4699
4700         * coverage.c (coverage_begin_function): Stream also
4701         end_column.
4702         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4703         documentation about function declaration location.
4704         * gcov-dump.c (tag_function): Print whole range
4705         of function declaration.
4706         * gcov.c (struct function_info): Add end_column field.
4707         (function_info::function_info): Initialize it.
4708         (output_json_intermediate_file): Output {start,end}_column
4709         fields.
4710         (read_graph_file): Read end_column.
4711
4712 2019-03-14  Richard Biener  <rguenther@suse.de>
4713
4714         PR middle-end/89698
4715         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4716         that the access types are similar.
4717
4718 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4719
4720         PR tree-optimization/89703
4721         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4722         aren't compatible also with builtin_decl_explicit.  Check pure
4723         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4724         and BUILT_IN_STPNCPY{,_CHK}.
4725
4726 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4727
4728         PR target/89523
4729         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4730         addr32 prefix to VSIB address for X32.
4731         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4732         "%M2" to opcode.
4733         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4734         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4735         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4736         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4737         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4738         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4739         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4740         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4741         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4742         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4743         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4744         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4745         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4746         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4747         (*avx512f_scatterdi<mode>): Likewise.
4748
4749 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4750
4751         PR target/85860
4752         * lra-constraints.c (inherit_in_ebb): Update
4753         potential_reload_hard_regs along with live_hard_regs.
4754
4755 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4756
4757         PR debug/89498
4758         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4759         DWARF_OFFSET_SIZE.
4760         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4761
4762 2019-03-13  Martin Sebor  <msebor@redhat.com>
4763
4764         PR tree-optimization/89662
4765         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4766         has a size.
4767
4768 2019-03-13  Richard Biener  <rguenther@suse.de>
4769
4770         PR middle-end/89677
4771         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4772         throw FP expressions at tree-affine.
4773
4774 2019-03-14  Richard Biener  <rguenther@suse.de>
4775
4776         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4777         dump negative integer constants using _Literal (type) -num.
4778
4779 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4780
4781         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4782         nonlocal_value member.
4783
4784         PR middle-end/88588
4785         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4786         (ipa_simd_modify_function_body): Handle PHIs.
4787
4788 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4789
4790         * config/s390/s390.c (s390_option_override_internal): Use more
4791         aggressive inlining parameters.
4792
4793 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4794
4795         * config/s390/3906.md: New file.
4796         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4797         (LONGRUNNING_THRESHOLD): Remove.
4798         (MAX_SCHED_MIX_SCORE): Decrease.
4799         (MAX_SCHED_MIX_DISTANCE): Decrease.
4800         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4801         (struct s390_sched_state): New struct to hold scheduling state.
4802         (S390_SCHED_STATE_NORMAL): Remove.
4803         (S390_SCHED_STATE_CRACKED): Remove.
4804         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4805         (s390_get_sched_attrmask): Use new attribute.
4806         (s390_get_unit_mask): Use new units.
4807         (s390_is_fpd): New function.
4808         (s390_is_fxd): New function.
4809         (s390_is_longrunning): New function.
4810         (s390_sched_score): Use new functions.
4811         (s390_sched_reorder): Likewise.
4812         (s390_sched_variable_issue): Rework and use new functions.
4813         (s390_sched_init): Use new functions.
4814         * config/s390/s390.h (s390_tune_attr):  Add z14.
4815         * config/s390/s390.md: Add z14.
4816
4817 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4818
4819         * config/s390/2964.md: Update pipeline description.
4820         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4821         (LONGRUNNING_THRESHOLD): Remove.
4822         (LATENCY_FACTOR): Remove.
4823         (s390_get_unit_mask): Add unit.
4824         (s390_sched_score): Use fxd/fpd.
4825         (s390_sched_variable_issue): Use fxd/fpd.
4826
4827 2019-03-12  Martin Liska  <mliska@suse.cz>
4828
4829         * config/i386/i386.c: Reword an error message.
4830
4831 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4832
4833         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4834         terminate with newline.
4835
4836 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4837
4838         PR target/52726
4839         * config/s390/s390.md (tabort): Use %wd instead of
4840         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4841         letters and periods.
4842         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4843         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4844         's with %< and %>.
4845
4846         PR middle-end/89663
4847         * builtins.c (expand_builtin_int_roundingfn,
4848         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4849         gcc_unreachable if validate_arglist fails.
4850
4851 2019-03-12  Richard Biener  <rguenther@suse.de>
4852
4853         PR tree-optimization/89664
4854         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4855         free the occurance tree after the early out.
4856
4857 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4858
4859         PR middle-end/89655
4860         PR bootstrap/89656
4861         * vr-values.c (vr_values::update_value_range): If
4862         old_vr->varying_p (), don't update it, make new_vr also VARYING
4863         and return false.
4864
4865 2019-03-11  Martin Liska  <mliska@suse.cz>
4866
4867         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4868         Fix double string quoting.
4869
4870 2019-03-11  Martin Liska  <mliska@suse.cz>
4871
4872         * collect-utils.c (collect_wait): Wrap apostrophes
4873         in gcc internal format with %'.
4874         * collect2.c (main): Likewise.
4875         (scan_prog_file): Likewise.
4876         (scan_libraries): Likewise.
4877         * config/i386/i386.c (ix86_expand_call): Likewise.
4878         (ix86_handle_interrupt_attribute): Likewise.
4879         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4880         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4881         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4882         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4883         * symtab.c (symtab_node::verify_base): Likewise.
4884         * tree-cfg.c (verify_gimple_label): Likewise.
4885         * tree.c (verify_type_variant): Likewise.
4886
4887 2019-03-11  Martin Liska  <mliska@suse.cz>
4888
4889         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4890         in a string format message and fix GNU coding style.
4891         (expand_builtin_set_thread_pointer): Likewise.
4892         * common/config/aarch64/aarch64-common.c
4893         (aarch64_rewrite_selected_cpu): Likewise.
4894         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4895         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4896         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4897         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4898         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4899         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4900         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4901         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4902         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4903         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4904         Likewise.
4905         * common/config/riscv/riscv-common.c
4906         (riscv_subset_list::parsing_subset_version): Likewise.
4907         (riscv_subset_list::parse_std_ext): Likewise.
4908         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4909         (riscv_subset_list::parse): Likewise.
4910         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4911         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4912         (aarch64_override_options_internal): Likewise.
4913         (aarch64_validate_mcpu): Likewise.
4914         (aarch64_validate_march): Likewise.
4915         (aarch64_validate_mtune): Likewise.
4916         (aarch64_override_options): Likewise.
4917         * config/alpha/alpha.c (alpha_option_override): Likewise.
4918         * config/arc/arc.c (arc_init): Likewise.
4919         (parse_mrgf_banked_regs_option): Likewise.
4920         (arc_override_options): Likewise.
4921         (arc_expand_builtin_aligned): Likewise.
4922         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4923         (arm_expand_builtin): Likewise.
4924         * config/arm/arm.c (arm_option_check_internal): Likewise.
4925         (arm_configure_build_target): Likewise.
4926         (arm_option_override): Likewise.
4927         (arm_options_perform_arch_sanity_checks): Likewise.
4928         (arm_handle_cmse_nonsecure_entry): Likewise.
4929         (arm_handle_cmse_nonsecure_call): Likewise.
4930         (arm_tls_referenced_p): Likewise.
4931         (thumb1_expand_prologue): Likewise.
4932         * config/avr/avr.c (avr_option_override): Likewise.
4933         * config/bfin/bfin.c (bfin_option_override): Likewise.
4934         * config/c6x/c6x.c (c6x_option_override): Likewise.
4935         * config/cr16/cr16.c (cr16_override_options): Likewise.
4936         * config/cris/cris.c (cris_option_override): Likewise.
4937         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4938         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4939         * config/darwin.c (darwin_override_options): Likewise.
4940         * config/frv/frv.c (frv_expand_builtin): Likewise.
4941         * config/h8300/h8300.c (h8300_option_override): Likewise.
4942         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4943         (ix86_option_override_internal): Likewise.
4944         (warn_once_call_ms2sysv_xlogues): Likewise.
4945         (ix86_expand_prologue): Likewise.
4946         (split_stack_prologue_scratch_regno): Likewise.
4947         (ix86_warn_parameter_passing_abi): Likewise.
4948         * config/ia64/ia64.c (fix_range): Likewise.
4949         * config/m68k/m68k.c (m68k_option_override): Likewise.
4950         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4951         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4952         (mips_set_compression_mode): Likewise.
4953         * config/mmix/mmix.c (mmix_option_override): Likewise.
4954         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4955         * config/msp430/msp430.c (msp430_option_override): Likewise.
4956         * config/nds32/nds32.c (nds32_option_override): Likewise.
4957         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
4958         (nios2_option_override): Likewise.
4959         (nios2_expand_custom_builtin): Likewise.
4960         * config/nvptx/mkoffload.c (main): Likewise.
4961         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
4962         * config/pa/pa.c (fix_range): Likewise.
4963         (pa_option_override): Likewise.
4964         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
4965         (riscv_option_override): Likewise.
4966         * config/rl78/rl78.c (rl78_option_override): Likewise.
4967         * config/rs6000/aix61.h: Likewise.
4968         * config/rs6000/aix71.h: Likewise.
4969         * config/rs6000/aix72.h: Likewise.
4970         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
4971         * config/rs6000/freebsd64.h: Likewise.
4972         * config/rs6000/linux64.h: Likewise.
4973         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
4974         (rs6000_expand_zeroop_builtin): Likewise.
4975         (rs6000_expand_mtfsb_builtin): Likewise.
4976         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
4977         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
4978         (rs6000_invalid_builtin): Likewise.
4979         (rs6000_expand_split_stack_prologue): Likewise.
4980         * config/rs6000/rtems.h: Likewise.
4981         * config/rx/rx.c (valid_psw_flag): Likewise.
4982         (rx_expand_builtin): Likewise.
4983         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
4984         * config/s390/s390.c (s390_expand_builtin): Likewise.
4985         (s390_function_profiler): Likewise.
4986         (s390_option_override_internal): Likewise.
4987         (s390_option_override): Likewise.
4988         * config/sh/sh.c (sh_option_override): Likewise.
4989         (sh_builtin_saveregs): Likewise.
4990         (sh_fix_range): Likewise.
4991         * config/sh/vxworks.h: Likewise.
4992         * config/sparc/sparc.c (sparc_option_override): Likewise.
4993         * config/spu/spu.c (spu_option_override): Likewise.
4994         (fix_range): Likewise.
4995         * config/visium/visium.c (visium_option_override): Likewise.
4996         (visium_handle_interrupt_attr): Likewise.
4997         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
4998         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
4999         (dbg_cnt_process_opt): Likewise.
5000         * dwarf2out.c (output_dwarf_version): Likewise.
5001         * except.c (expand_eh_return): Likewise.
5002         * gcc.c (defined): Likewise.
5003         (driver_handle_option): Likewise.
5004         (process_command): Likewise.
5005         (compare_files): Likewise.
5006         (driver::prepare_infiles): Likewise.
5007         (driver::do_spec_on_infiles): Likewise.
5008         (driver::maybe_run_linker): Likewise.
5009         * omp-offload.c (oacc_parse_default_dims): Likewise.
5010         * opts-global.c (handle_common_deferred_options): Likewise.
5011         * opts.c (parse_sanitizer_options): Likewise.
5012         (common_handle_option): Likewise.
5013         (enable_warning_as_error): Likewise.
5014         * passes.c (enable_disable_pass): Likewise.
5015         * plugin.c (parse_plugin_arg_opt): Likewise.
5016         (default_plugin_dir_name): Likewise.
5017         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5018         (default_pch_valid_p): Likewise.
5019         * toplev.c (init_asm_output): Likewise.
5020         (process_options): Likewise.
5021         (toplev::run_self_tests): Likewise.
5022         * tree-cfg.c (verify_gimple_call): Likewise.
5023         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5024         (tree_inlinable_function_p): Likewise.
5025         * var-tracking.c (vt_find_locations): Likewise.
5026
5027 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5028
5029         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5030         only on the else branch.
5031
5032 2019-03-11  Martin Liska  <mliska@suse.cz>
5033
5034         * gcov.c (output_intermediate_json_line): Print function
5035         name of each line.
5036         (output_json_intermediate_file): Add new argument.
5037         * doc/gcov.texi: Document the change.
5038
5039 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5040
5041         PR rtl-optimization/89588
5042         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5043         explicit unrolling factor more robust.
5044
5045 2019-03-11  Richard Biener  <rguenther@suse.de>
5046
5047         PR tree-optimization/89649
5048         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5049         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5050         on the prolog and epilog loops.
5051         (vect_loop_versioning): Return copy of loop.
5052         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5053         on the non-vectorized version of the loop.
5054
5055 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5056
5057         PR target/68924
5058         * config/i386/sse.md (*vec_extractv2di_0_sse):
5059         Add (=r,x) alternative and corresponding splitter.
5060
5061 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5062
5063         PR tree-optimization/85762
5064         PR tree-optimization/87008
5065         PR tree-optimization/85459
5066         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5067         it points to if there is a type changing MEM_REF.  Adjust all callers.
5068         (build_accesses_from_assign): Disable total scalarization if
5069         contains_vce_or_bfcref_p returns true through the new parameter, for
5070         both rhs and lhs.
5071
5072 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5073
5074         PR c/88568
5075         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5076         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5077
5078         PR target/79645
5079         * common.opt (fdiagnostics-show-labels,
5080         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5081         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5082         gas-locview-support, ginline-points, ginternal-reset-location-views):
5083         Terminate description text with a dot.
5084         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5085         * config/mcore/mcore.opt (m210, m340): Likewise.
5086         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5087         mnops=): Start description text with a capital letter.
5088         * config/arc/arc.opt (msize-level=): Likewise.
5089         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5090         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5091         mnewlib): Likewise.
5092         * config/ft32/ft32.opt (msim): Likewise.
5093         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5094         (mnodiv, mnopm): Terminate description text with a dot.
5095         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5096         a colon.
5097         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5098         Likewise.
5099         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5100         text.
5101
5102         PR rtl-optimization/89634
5103         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5104         are modified in BB_END (e->src) instruction.
5105
5106 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5107
5108         PR target/79926
5109         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5110         messages more amenable to translation, and improve wording.
5111
5112 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5113
5114         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5115         ud- and du-chains between phases.
5116
5117 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5118
5119         PR debug/89631
5120         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5121         instead of POLY_INT_CST.
5122
5123 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5124
5125         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5126         requirement.
5127
5128 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5129
5130         PR target/68924
5131         PR target/78782
5132         PR target/87558
5133         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5134         (_mm_storeu_si64): Ditto.
5135
5136 2019-03-08  Martin Liska  <mliska@suse.cz>
5137
5138         PR target/86952
5139         * config/i386/i386.c (ix86_option_override_internal): Disable
5140         jump tables when retpolines are used.
5141
5142 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5143
5144         PR go/63560
5145         * ipa-split.c (execute_split_functions): Do not split
5146         'noinline' or 'section' function.
5147
5148 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5149
5150         PR target/79846
5151         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5152         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5153         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5154
5155         PR ipa/80000
5156         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5157         from diagnostics.  Formatting fixes.
5158
5159         PR target/85665
5160         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5161         warn_odr diagnostics.
5162
5163         PR other/80058
5164         * lra-constraints.c (process_alt_operands): Avoid one space before
5165         " at the end of line and another after " on another line in a string
5166         literal.
5167         * attribs.c (handle_dll_attribute): Likewise.
5168         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5169
5170         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5171         warning_at or inform messages in G_() if there is no ?:.
5172
5173         PR tree-optimization/89550
5174         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5175         returned true.  Formatting fixes.
5176         (expand_builtin_strnlen): Formatting fixes.
5177         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5178         if warning_at returned true.
5179         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5180
5181 2019-03-08  Richard Biener  <rguenther@suse.de>
5182
5183         PR middle-end/89578
5184         * cfgloop.h (struct loop): Add owned_clique field.
5185         * cfgloopmanip.c (copy_loop_info): Copy it.
5186         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5187         cliques.
5188         * tree-inline.c (copy_loops): Remap owned_clique.
5189         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5190         * lto-streamer-out.c (output_cfg): Likewise.
5191
5192 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5193
5194         PR target/80190
5195         * config/darwin.c: Include intl.h.
5196         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5197         composing the message out of two separate parts.
5198
5199 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5200
5201         PR target/80003
5202         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5203         doesn't start with a capital letter and doesn't end with a dot.
5204         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5205         with a capital letter.
5206         (ix86_mangle_function_version_assembler_name): Likewise.
5207         (ix86_generate_version_dispatcher_body): Likewise.
5208         (fold_builtin_cpu): Likewise.
5209         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5210         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5211         translators, wrap full type name in %qs.
5212
5213         PR translation/79999
5214         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5215         depend clause with source (or sink) modifier.
5216         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5217
5218         PR target/89602
5219         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5220         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5221         (avx512f_load<mode>_mask): New define_expand.
5222         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5223         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5224         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5225         __builtin_ia32_movess_mask): New builtins.
5226         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5227         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5228         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5229         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5230
5231 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5232
5233         PR lto/87525
5234         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5235         for extern inline functions.
5236
5237 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5238
5239         PR ipa/88235
5240         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5241         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5242         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5243         have multiple callees.  At the end check if declarations match as
5244         opposed to cgraph_nodes.
5245
5246 2019-03-07  Martin Liska  <mliska@suse.cz>
5247
5248         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5249         which is equivalent to searching for this in clones chain.
5250         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5251         names with a neighbour and special case first node in a chain.
5252
5253 2019-01-25  Jason Merrill  <jason@redhat.com>
5254
5255         PR c++/80916 - spurious "static but not defined" warning.
5256         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5257         for an internal symbol with DECL_EXTERNAL.
5258
5259 2019-04-07  Richard Biener  <rguenther@suse.de>
5260
5261         PR middle-end/89618
5262         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5263         * tree-inline.c (copy_loops): Simplify.
5264
5265 2019-03-07  Martin Liska  <mliska@suse.cz>
5266
5267         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5268
5269 2019-03-07  Richard Biener  <rguenther@suse.de>
5270
5271         PR tree-optimization/89595
5272         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5273         stmt iterator as reference, take boolean output parameter to
5274         indicate whether the stmt was removed and thus the iterator
5275         already advanced.
5276         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5277         stmts created by folding.
5278
5279 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5280
5281         PR c++/89585
5282         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5283         at toplevel.
5284
5285 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5286
5287         PR rtl-optimization/88845
5288         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5289         LRA.
5290         * lra.c (remove_scratches_1): New function.
5291         (remove_scratches): Use it.
5292         (lra_emit_move): Likewise.
5293
5294 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5295
5296         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5297         unaligned_access variable.
5298         * config/arc/arc.c (arc_override_options): Set unaligned access
5299         default on for HS CPUs.
5300         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5301
5302 2019-03-06  Martin Liska  <mliska@suse.cz>
5303
5304         PR gcov-profile/89577
5305         * doc/gcov.texi: Prefer to use --coverage.
5306         * doc/sourcebuild.texi: Likewise.
5307
5308 2019-03-02  Jason Merrill  <jason@redhat.com>
5309
5310         PR c++/86485 - -Wmaybe-unused with empty class ?:
5311         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5312
5313 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5314
5315         PR target/89587
5316         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5317         if_multiarch.
5318
5319         PR middle-end/89590
5320         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5321         exactly one argument.
5322
5323 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5324             Richard Sandiford  <richard.sandiford@arm.com>
5325
5326         PR tree-optimization/89570
5327         * match.pd (vec_cond into cond_op simplification): Don't use
5328         get_conditional_internal_fn, use as_internal_fn (cond_op).
5329
5330 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5331
5332         PR target/89222
5333         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5334         to decide when to split off a non-zero offset from a symbol.
5335         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5336         in function symbols.
5337
5338 2019-03-05  Richard Biener  <rguenther@suse.de>
5339
5340         PR tree-optimization/89594
5341         * tree-if-conv.c (pass_if_conversion::execute): Handle
5342         case where .LOOP_VECTORIZED_FUNCTION was removed.
5343
5344 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5345
5346         PR bootstrap/89560
5347         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5348         instead alloca it only when needed with the needed size.
5349
5350         PR tree-optimization/89570
5351         * match.pd (vec_cond into cond_op simplification): Guard with
5352         vectorized_internal_fn_supported_p test and #if GIMPLE.
5353
5354         PR tree-optimization/89566
5355         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5356         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5357         Punt if get_user_idx_format succeeds, but idx_format argument is
5358         not provided or doesn't have pointer type, or if idx_args is above
5359         number of provided arguments.
5360
5361 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5362
5363         PR tree-optimization/89437
5364         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5365
5366 2019-03-04  Richard Biener  <rguenther@suse.de>
5367
5368         PR middle-end/89572
5369         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5370         safe_dyn_cast.
5371
5372 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5373
5374         PR tree-optimization/89487
5375         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5376         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5377         (distribute_loop): Don't do runtime alias check if there is non-
5378         addressable data reference.
5379         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5380         is a register variable.
5381
5382 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5383
5384         PR target/89506
5385         * config/arm/arm.md (cmpsi2_addneg): Use
5386         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5387         If operands[2] is 0 or INT_MIN, force use of subs.
5388         (*compare_scc splitter): Use gen_int_mode.
5389         (*negscc): Likewise.
5390         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5391
5392 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5393             Monk Chiang  <sh.chiang04@gmail.com>
5394
5395         * common/config/riscv/riscv-common.c: Include sstream.
5396         (riscv_subset_list::to_string): New.
5397         (riscv_arch_str): Likewise.
5398         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5399         * config.in: Regen.
5400         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5401         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5402         (riscv_emit_attribute): New.
5403         (riscv_file_start): Emit attribute if needed.
5404         (riscv_option_override): Init riscv_emit_attribute_p.
5405         * config/riscv/riscv.opt (mriscv-attribute): New option.
5406         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5407         * configure: Regen.
5408         * doc/install.texi: Document --with-riscv-attribute.
5409         * doc/invoke.texi: Document -mriscv-attribute.
5410
5411         * common/config/riscv/riscv-common.c:
5412         Include config/riscv/riscv-protos.h.
5413         (INCLUDE_STRING): Defined.
5414         (RISCV_DONT_CARE_VERSION): Defined.
5415         (riscv_subset_t): Declare.
5416         (riscv_subset_t::riscv_subset_t): New.
5417         (riscv_subset_list): Declare.
5418         (riscv_subset_list::riscv_subset_list): New.
5419         (riscv_subset_list::~riscv_subset_list): Likewise.
5420         (riscv_subset_list::parsing_subset_version): Likewise.
5421         (riscv_subset_list::parse_std_ext): Likewise.
5422         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5423         (riscv_subset_list::add): Likewise.
5424         (riscv_subset_list::lookup): Likewise.
5425         (riscv_subset_list::xlen): Likewise.
5426         (riscv_subset_list::parse): Likewise.
5427         (riscv_supported_std_ext): Likewise.
5428         (current_subset_list): Likewise.
5429         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5430         parse.
5431
5432 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5433
5434         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5435         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5436         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5437
5438 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5439
5440         PR rtl-optimization/85899
5441         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5442         fallthru edges leading to the exit block.
5443
5444 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5445
5446         PR target/89517
5447         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5448         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5449
5450 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5451
5452         PR tree-optimization/89535
5453         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5454         for each operand.  Calculate the fallback choice for mask operands
5455         and pass it to vect_get_vec_def_for_operand.
5456
5457 2019-03-01  Richard Biener  <rguenther@suse.de>
5458
5459         PR middle-end/89541
5460         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5461         get virtual operands.
5462         (get_expr_operands): Handle CONST_DECL like other decls.
5463
5464 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5465
5466         PR middle-end/89503
5467         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5468         on DECL_P and EXPR_P.
5469
5470 2019-03-01  Richard Biener  <rguenther@suse.de>
5471
5472         PR middle-end/89497
5473         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5474         argument, defaulted to zero.
5475         * passes.c (execute_function_todo): Pass down SSA update flags
5476         to cleanup_tree_cfg.
5477         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5478         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5479         form if requested.
5480         (cleanup_tree_cfg): Get and pass down SSA update flags.
5481
5482 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5483
5484         PR bootstrap/89539
5485         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5486         early_lto_debug argument.
5487
5488 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5489
5490         PR tree-optimization/89536
5491         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5492         only whether bit #0 of the value is 0 instead of the entire value.
5493
5494 2019-02-28  Marek Polacek  <polacek@redhat.com>
5495
5496         PR c++/87068 - missing diagnostic with fallthrough statement.
5497         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5498         at the end of a seq, save its location to walk_stmt_info.
5499         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5500         a switch.
5501
5502 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5503
5504         PR lto/88585
5505         * tree.c (find_atomic_core_type): Move ahead in file.
5506         (check_base_type): Correctly compare alignments of atomic types.
5507
5508 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5509
5510         PR target/89455
5511         * config/i386/i386.c (get_builtin_code_for_version): Identify
5512         Westmere from PCLMUL, instead of AES.
5513
5514 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5515
5516         PR target/89434
5517         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5518         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5519         -UINTVAL (...).
5520
5521 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5522
5523         PR target/88530
5524         * config/aarch64/aarch64-option-extensions.def: Document it.
5525         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5526         if empty hwcaps.
5527
5528 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5529
5530         PR c/89520
5531         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5532         builtins if they don't have a single scalar floating point argument.
5533         Formatting fixes.
5534
5535 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5536
5537         PR rtl-optimization/89490
5538         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5539         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5540         block section is not mergeable.
5541
5542 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5543
5544         PR target/70341
5545         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5546         old define_insn to ...
5547         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5548         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5549         Rename old define_insn to ...
5550         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5551         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5552         define_insn to ...
5553         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5554         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5555         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5556
5557 2019-02-27  Richard Biener  <rguenther@suse.de>
5558
5559         PR debug/88878
5560         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5561
5562 2019-02-27  Richard Biener  <rguenther@suse.de>
5563
5564         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5565         building.
5566
5567 2019-02-27  Richard Biener  <rguenther@suse.de>
5568
5569         PR debug/88878
5570         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5571         parameter, prefix section name with .gnu.debuglto_ if true.
5572         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5573         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5574
5575 2019-02-27  Richard Biener  <rguenther@suse.de>
5576
5577         PR debug/89514
5578         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5579         rather than on use_debug_types, doing what output_die does.
5580         (value_format): Likewise.
5581
5582 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5583             Martin Sebor  <msebor@redhat.com>
5584
5585         * doc/invoke.texi (Warning Options): Reword description of
5586         -Wno-absolute-value.
5587
5588 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5589
5590         PR tree-optimization/89280
5591         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5592         builtin_setjmp_setup_bb): New functions.
5593         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5594         When visiting __builtin_setjmp_setup block, queue in special
5595         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5596         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5597         from visited after the loop if they don't have any visited successor
5598         blocks.
5599
5600 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5601
5602         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5603         New function.
5604         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5605
5606 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5607
5608         PR c++/89507
5609         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5610         with types other than sizetype/ssizetype.
5611
5612 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5613
5614         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5615         (enum sparc_processor_type): ...this.
5616         (enum sparc_code_model_type): New enumeration type.
5617         (enum sparc_memory_model_type): Tweak comments.
5618         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5619         (mtune): Likewise.
5620         (mcmodel): Use sparc_code_model enumeration and variable.
5621         (sparc_code_model): New enumeration.
5622         (mdebug): Add Undocumented marker.
5623         * config/sparc/sparc.h (enum cmodel): Delete.
5624         (sparc_cmodel): Likewise.
5625         (TARGET_CM_MEDLOW): Adjust to above renaming.
5626         (TARGET_CM_MEDMID): Likewise.
5627         (TARGET_CM_MEDANY): Likewise.
5628         (TARGET_CM_EMBMEDANY): Likewise.
5629         * config/sparc/sparc.c (sparc_cmodel): Delete.
5630         (sparc_option_override): Remove string/value mapping support for the
5631         code model.  Move code and memory model support to after the handling
5632         of target flags.  Do private machine setup last.
5633         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5634         (sparc_legitimize_reload_address): Likewise.
5635         (sparc_output_mi_thunk): Likewise.
5636         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5637
5638 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5639
5640         PR tree-optimization/89500
5641         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5642         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5643         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5644         cst if the first cst bytes starting at x are known to be non-zero,
5645         even if the string is not zero terminated.  Don't try to modify
5646         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5647         we can prove strnlen returns the same value as strlen would.
5648
5649 2019-02-26  Martin Liska  <mliska@suse.cz>
5650
5651         * alloc-pool.h (struct pool_usage): Remove extra
5652         print_dash_line.
5653         * bitmap.h (struct bitmap_usage): Likewise.
5654         * ggc-common.c (struct ggc_usage): Likewise.
5655         * mem-stats.h (struct mem_usage): Likewise.
5656         (mem_alloc_description::dump): Print dash lines
5657         here and repeat header at the end of a table report.
5658         It's then more readable.
5659         * tree-phinodes.c (phinodes_print_statistics): Make
5660         horizontal alignment.
5661         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5662         * vec.c (struct vec_usage): Remove extra print_dash_line.
5663         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5664
5665 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5666
5667         * doc/extend.texi (__builtin_object_size):
5668         Use @pxref instead of @xref inside parenthesis.
5669         (__builtin_has_attribute): Add missing comma after @xref.
5670         (__builtin_object_size): Ditto.
5671         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5672         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5673         in the list.
5674
5675 2019-02-26  Jeff Law  <law@redhat.com>
5676
5677         PR rtl-optimization/87761
5678         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5679         detect obviously dead insns and delete them.
5680
5681 2019-02-26  Richard Biener  <rguenther@suse.de>
5682
5683         PR tree-optimization/89505
5684         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5685         to handle restrict pointed-to vars with multiple subvars
5686         correctly.
5687
5688 2019-02-26  Richard Biener  <rguenther@suse.de>
5689
5690         PR tree-optimization/89489
5691         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5692
5693 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5694
5695         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5696         and move around comment.
5697         <BIT_AND_EXPR>: Likewise.
5698         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5699
5700 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5701
5702         PR target/89474
5703         * config/i386/i386.c (remove_partial_avx_dependency): Call
5704         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5705         after changing possibly many instructions to use that pseudo.  Fix up
5706         insertion of v4sf_const0 setter at the start of bb.
5707
5708 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5709
5710         PR c/80409
5711         * doc/extend.texi (Variadic Pointer Args): New section.
5712
5713 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5714             Martin Sebor  <msebor@gmail.com>
5715
5716         * common.opt (Wattribute-alias): Likewise.
5717         * doc/invoke.texi (Option Summary): List general form of
5718         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5719         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5720         Add cross-references.
5721         (-Wattribute-alias): Rewrite and correct default.  Mention
5722         considered attributes (same as for -Wmissing-attributes).
5723
5724 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5725
5726         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5727         (_mm_cvtpd_ps): Likewise.
5728         (_mm_cvttpd_epi32): Likewise.
5729
5730         PR target/89338
5731         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5732         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5733
5734         PR target/89339
5735         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5736
5737 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5738
5739         PR target/88530
5740         * common/config/aarch64/aarch64-common.c
5741         (struct aarch64_option_extension): Add is_synthetic.
5742         (all_extensions): Use it.
5743         (TARGET_OPTION_INIT_STRUCT): Define hook.
5744         (struct gcc_targetm_common): Moved to end.
5745         (all_extensions_by_on): New.
5746         (opt_ext_cmp, typedef opt_ext): New.
5747         (aarch64_option_init_struct): New.
5748         (aarch64_contains_opt): New.
5749         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5750         * config/aarch64/aarch64-option-extensions.def
5751         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5752         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5753         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5754         Set is_synthetic to false.
5755         (crypto): Set is_synthetic to true.
5756         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5757         SYNTHETIC.
5758
5759 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5760
5761         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5762         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5763         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5764         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5765         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5766         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5767         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5768         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5769         Rename ...
5770         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5771         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5772         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5773         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5774         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5775         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5776         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5777         vfmlsl_laneq_high_f16): ... To this.
5778         * config/arm/neon.md: Update comments.
5779
5780 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5781
5782         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5783         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5784         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5785         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5786         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5787         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5788         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5789         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5790         Rename ...
5791         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5792         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5793         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5794         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5795         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5796         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5797         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5798         vfmlslq_laneq_high_f16): ... To this.
5799
5800 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5801
5802         PR rtl-optimization/86096
5803         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5804         comparing mw_order values.
5805
5806 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5807
5808         PR target/89434
5809         * config/arm/arm.md (*subsi3_carryin_const): Use
5810         arm_neg_immediate_operand predicate instead of
5811         arm_not_immediate_operand, "L" constraint instead of "K" and
5812         print it using %n2 instead of %B2.
5813         (*subsi3_carryin_const0): New define_insn.
5814         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5815         instead of arm_not_operand and "I" constraint instead of "K" and
5816         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5817         another match_operand and in the condition check that it is negation
5818         of operands[2].
5819         (*subsi3_carryin_compare_const0): New define_ins.
5820         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5821         *subsi3_carryin_const.
5822         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5823         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5824
5825         PR target/89438
5826         * config/arm.vfp.md (*negdf2_vfp): Use
5827         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5828         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5829
5830 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5831
5832         PR rtl-optimization/89445
5833         * simplify-rtx.c (simplify_ternary_operation): Don't use
5834         simplify_merge_mask on operands that may trap.
5835         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5836         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5837         second operand is CONST_VECTOR, check if any element could be zero.
5838         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5839         their operands can trap.
5840
5841 2019-02-23  Martin Sebor  <msebor@redhat.com>
5842
5843         * gimple-ssa-sprintf.c (target_strtol): Rename...
5844         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5845         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5846         check for range error.
5847
5848 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5849
5850         PR driver/69471
5851         * opts-common.c (prune_options): Also prune joined switches
5852         with Negative and RejectNegative.
5853         * config/i386/i386.opt (march=): Add Negative(march=).
5854         (mtune=): Add Negative(mtune=).
5855         * doc/options.texi: Document Negative used together with Joined
5856         and RejectNegative.
5857
5858 2019-02-22  Martin Sebor  <msebor@redhat.com>
5859
5860         * doc/extend.texi (Other Builtins): Add
5861         __builtin_is_constant_evaluated.
5862
5863 2019-02-22  Richard Biener  <rguenther@suse.de>
5864
5865         PR tree-optimization/87609
5866         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5867
5868 2019-02-22  Jeff Law  <law@redhat.com>
5869
5870         PR rtl-optimization/87761
5871         * config/mips/mips.md: Add new combiner pattern to recognize
5872         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5873
5874 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5875
5876         PR target/89324
5877         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5878         destination register in peepholes generating patterns for ADDS/SUBS.
5879         (add<mode>3_compare0,
5880         *addsi3_compare0_uxtw, add<mode>3_compareC,
5881         add<mode>3_compareV_imm, add<mode>3_compareV,
5882         *adds_<optab><ALLX:mode>_<GPI:mode>,
5883         *subs_<optab><ALLX:mode>_<GPI:mode>,
5884         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5885         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5886         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5887         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5888         sub<mode>3_compare1): Allow stack pointer for source register.
5889         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5890
5891 2019-02-22  Martin Sebor  <msebor@redhat.com>
5892
5893         PR tree-optimization/88993
5894         PR tree-optimization/88853
5895         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5896         New helper.
5897         (sprintf_dom_walker::call_info::is_string_func): New helper.
5898         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5899         for formatted string functions.
5900         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5901
5902 2019-02-22  Martin Sebor  <msebor@redhat.com>
5903
5904         PR c/89425
5905         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5906         unreachable subexpressions.
5907
5908 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5909             Hongtao Liu  <hongtao.liu@intel.com>
5910             Sunil K Pandey  <sunil.k.pandey@intel.com>
5911
5912         PR target/87007
5913         * config/i386/i386-passes.def: Add
5914         pass_remove_partial_avx_dependency.
5915         * config/i386/i386-protos.h
5916         (make_pass_remove_partial_avx_dependency): New.
5917         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5918         New function.
5919         (pass_data_remove_partial_avx_dependency): New.
5920         (pass_remove_partial_avx_dependency): Likewise.
5921         (make_pass_remove_partial_avx_dependency): Likewise.
5922         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5923         (*extendsfdf2): Add avx_partial_xmm_update.
5924         (truncdfsf2): Likewise.
5925         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5926         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5927
5928 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5929
5930         PR middle-end/85598
5931         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5932         analysis for pass.
5933
5934 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5935
5936         PR target/89444
5937         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5938         (PTA_SKYLAKE): Add PTA_AES.
5939         (PTA_GOLDMONT): Likewise.
5940
5941 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5942
5943         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5944         instruction if enabled.
5945         (aarch64_override_options): Remove reference to return address key.
5946
5947 2019-02-22  Richard Biener  <rguenther@suse.de>
5948
5949         PR tree-optimization/89440
5950         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5951         not necessary assert.
5952
5953 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5954
5955         PR fortran/72741
5956         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5957         (oacc_replace_fn_attrib_attr): ... this new function.
5958         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
5959         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
5960
5961 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5962
5963         * config/arm/arm-cpus.in (ares): Rename to...
5964         (neoverse-n1): ... This.  Add ares as alias.
5965         * config/arm/arm-tables.opt: Regenerate.
5966         * config/arm/arm-tune.md: Likewise.
5967         * doc/invoke.txt (ARM Options): Document neoverse-n1.
5968
5969 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5970
5971         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
5972         * config/aarch64/aarch64-tune.md: Regenerate.
5973         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
5974
5975 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5976
5977         * config/aarch64/aarch64.c (ares_tunings): Rename to...
5978         (neoversen1_tunings): ... This.
5979         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
5980         (neoverse-n1): New CPU.
5981         * config/aarch64/aarch64-tune.md: Regenerate.
5982         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
5983
5984 2019-02-22  Richard Biener  <rguenther@suse.de>
5985
5986         PR middle-end/87609
5987         * cfghooks.h (dependence_hash): New typedef.
5988         (struct copy_bb_data): New type.
5989         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
5990         (duplicate_block): Likewise.
5991         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
5992         (copy_bbs): Create and pass down copy_bb_data.
5993         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
5994         (rtl_duplicate_bb): Likewise.
5995         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
5996         remap dependence info.
5997
5998 2019-02-22  Richard Biener  <rguenther@suse.de>
5999
6000         PR tree-optimization/87609
6001         * tree-core.h (tree_base): Document special clique values.
6002         * tree-inline.c (remap_dependence_clique): Do not use the
6003         special clique value of one.
6004         (maybe_set_dependence_info): Use clique one.
6005         (clear_dependence_clique): New callback.
6006         (compute_dependence_clique): Clear clique one from all refs
6007         before assigning it (again).
6008
6009 2019-02-21  Martin Sebor  <msebor@redhat.com>
6010
6011         * doc/extend.texi (__clear_cache): Correct signature.
6012
6013 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6014
6015         PR go/89170
6016         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6017         than output_constant_def.
6018         (add_constant_to_table): New static function.
6019         (output_constant_def): Call add_constant_to_table.
6020         (tree_output_constant_def): Likewise.
6021
6022 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6023
6024         PR c++/89285
6025         * builtins.c (fold_builtin_arith_overflow): If first two args are
6026         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6027         to ifn.
6028
6029 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6030
6031         PR target/87412
6032         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6033         error for -mindirect-branch/-mfunction-return with incompatible
6034         -fcf-protection.
6035
6036 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6037
6038         PR bootstrap/88714
6039         * constraints.md (q): Remove.
6040         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6041         instead of q.
6042
6043 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6044
6045         PR hsa/89302
6046         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6047         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6048         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6049         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6050         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6051         proper values to new parameters of omp_adjust_for_condition.
6052
6053 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6054
6055         PR middle-end/89412
6056         * expr.c (expand_assignment): If result is a MEM, use change_address
6057         instead of simplify_gen_subreg.
6058
6059 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6060             David Malcolm  <dmalcolm@redhat.com>
6061
6062         PR middle-end/89091
6063         * fold-const.c (decode_field_reference): Return NULL_TREE if
6064         lang_hooks.types.type_for_size returns NULL.  Check it before
6065         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6066
6067 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6068
6069         PR middle-end/88074
6070         PR middle-end/89415
6071         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6072         buggy mpc_norm.
6073
6074 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6075
6076         PR target/89397
6077         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6078         TARGET_SSE in addition to TARGET_SSE_MATH.
6079
6080         (ix86_excess_precision): Ditto.
6081         (ix86_float_exceptions_rounding_supported_p): Ditto.
6082         (use_rsqrt_p): Ditto.
6083         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6084
6085 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6086
6087         PR c/89410
6088         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6089         linenum_arith_t when determining if two adjacent line spans are
6090         close enough to merge.
6091         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6092         lines within each line_span.
6093
6094 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6095
6096         PR target/86487
6097         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6098         paradoxical SUBREGS.
6099
6100 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6101
6102         PR target/88100
6103         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6104         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6105         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6106         range checking it.
6107
6108 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6109
6110         * config/gcn/gcn.c (print_operand): Fix typo.
6111
6112 2019-02-19  Richard Biener  <rguenther@suse.de>
6113
6114         PR middle-end/88074
6115         * toplev.c (do_compile): Initialize mpfr's exponent range
6116         based on available float modes.
6117
6118 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6119
6120         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6121         as long as the epilogue isn't completed.
6122
6123 2019-02-18  Martin Sebor  <msebor@redhat.com>
6124
6125         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6126         __has_cpp_attribute, and __has_include.
6127
6128 2019-02-18  Martin Sebor  <msebor@redhat.com>
6129
6130         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6131
6132 2019-02-18  Martin Sebor  <msebor@redhat.com>
6133
6134         PR middle-end/89294
6135         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6136         expression.
6137         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6138
6139 2019-02-18  Richard Biener  <rguenther@suse.de>
6140
6141         PR tree-optimization/89296
6142         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6143         of no-warning flag to cases that might emit the bogus warning.
6144
6145 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6146
6147         PR bootstrap/88714
6148         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6149         "q" constraint.
6150         * config/arm/vfp.md (*movdi_vfp): Likewise.
6151         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6152         "q" constraint for operands[0].
6153
6154         PR target/89369
6155         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6156         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6157         pattern in a temporary buffer.
6158         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6159         than 64-operands[2].
6160
6161         PR target/89361
6162         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6163         s390_indirect_branch_settings): Define unconditionally.
6164         (s390_set_current_function): Likewise, but guard the whole body except
6165         the s390_indirect_branch_settings call with
6166         #if S390_USE_TARGET_ATTRIBUTE.
6167         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6168
6169         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6170         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6171         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6172         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6173         HOST_WIDE_INT_1U instead of 1ULL.
6174         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6175         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6176         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6177         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6178         instead of 1UL.
6179         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6180         instead of 1ul.
6181
6182 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6183
6184         PR tree-optimization/89209
6185         * tree-sra.c (create_access_replacement): New optional parameter
6186         reg_tree.  Use it as a type if non-NULL and access type is not of
6187         a register type.
6188         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6189         to create_access_replacement.
6190         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6191         Check lacc is non-NULL before attempting to re-create it on the RHS.
6192
6193 2019-02-18  Martin Liska  <mliska@suse.cz>
6194
6195         PR ipa/89306
6196         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6197         by default.
6198         (symbol_table::free_edge): Recycle m_summary_id.
6199         * cgraph.h (get_summary_id): New.
6200         (symbol_table::release_symbol): Set m_summary_id to -1
6201         by default.
6202         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6203         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6204         function_summary to fast_function_summary.
6205         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6206         * ipa-pure-const.c (class funct_state_summary_t):
6207         Switch from function_summary to fast_function_summary.
6208         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6209         (class ipa_ref_opt_summary_t): Switch from function_summary
6210         to fast_function_summary.
6211         * symbol-summary.h (class function_summary_base): New class
6212         that is created from base of former function_summary.
6213         (function_summary_base::unregister_hooks): New.
6214         (class function_summary): Inherit from function_summary_base.
6215         (class call_summary_base): New class
6216         that is created from base of former call_summary.
6217         (class call_summary): Inherit from call_summary_base.
6218         (struct is_same): New.
6219         (class fast_function_summary): New summary class.
6220         (class fast_call_summary): New summary class.
6221         * vec.h (vec_safe_grow_cleared): New function.
6222
6223 2019-02-18  Martin Liska  <mliska@suse.cz>
6224
6225         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6226         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6227         * doc/tm.texi: Document new target hook.
6228         * doc/tm.texi.in: Likewise.
6229         * target.def: Add new target macro.
6230         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6231         suffixes.
6232
6233 2019-02-17  Alan Modra  <amodra@gmail.com>
6234
6235         PR target/89271
6236         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6237         output reg on add insn.
6238         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6239
6240 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6241
6242         PR target/89372
6243         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6244         (PMULHRSW): Likewise.
6245         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6246         TARGET_AVX2.
6247         (ssse3_pmulhrswv4hi3): New expander.
6248
6249 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6250
6251         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6252         MMX.  Add isa attribute.
6253
6254 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6255
6256         PR rtl-optimization/66152
6257         * builtins.h (c_readstr): Declare.
6258         * builtins.c (c_readstr): Remove forward declaration.  Add
6259         null_terminated_p argument, if false, read all bytes from the
6260         string instead of stopping after '\0'.
6261         * expr.c (string_cst_read_str): New function.
6262         (store_expr): Use string_cst_read_str instead of
6263         builtin_strncpy_read_str.  Try to store by pieces the whole
6264         exp_len first, and only if that fails, split it up into
6265         store by pieces followed by clear_storage.  Formatting fix.
6266
6267         * config/i386/i386.md (*movqi_internal): Remove static from
6268         buf variable.  Use output_asm_insn (buf, operands); return "";
6269         instead of return buf;.
6270         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6271         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6272         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6273
6274 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6275
6276         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6277         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6278         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6279         (CC1_SPEC): Likewise.
6280         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6281
6282 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6283
6284         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6285         the base address on 64-bit strict-alignment platforms.
6286
6287 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6288
6289         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6290
6291 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6292
6293         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6294
6295 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6296
6297         PR rtl-optimization/88308
6298         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6299         on copied instruction.
6300
6301 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6302
6303         * final.c (insn_current_reference_address): Replace test on JUMP_P
6304         with test on jump_to_label_p.
6305         * config/visium/visium-passes.def: New file.
6306         * config/visium/t-visium (PASSES_EXTRA): Define.
6307         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6308         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6309         (TRAMPOLINE_ALIGNMENT): Define.
6310         * config/visium/visium.c (visium_option_override): Do not register
6311         the machine-specific reorg pass here.
6312         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6313         for the GR6.
6314         (output_branch): Adjust threshold for long branch instruction.
6315         * config/visium/visium.md (cpu): Move around.
6316         (length): Adjust for the GR6.
6317
6318 2019-02-15  Richard Biener  <rguenther@suse.de>
6319             Jakub Jelinek  <jakub@redhat.com>
6320
6321         PR tree-optimization/89278
6322         * tree-loop-distribution.c: Include tree-eh.h.
6323         (generate_memset_builtin, generate_memcpy_builtin): Call
6324         rewrite_to_non_trapping_overflow on builtin->size before passing it
6325         to force_gimple_operand_gsi.
6326
6327 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6328
6329         PR other/89342
6330         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6331         optimize_debug.
6332         * opth-gen.awk: Likewise.
6333
6334 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6335
6336         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6337         Enable MMX, SSE and SSE2 by default.
6338         * config/i386/i386.c (ix86_option_override_internal): Do not
6339         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6340
6341 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6342
6343         PR rtl-optimization/89354
6344         * combine.c (make_extraction): Punt if extraction_mode is narrower
6345         than len bits.
6346
6347 2019-02-14  Maya Rashish  <coypu@sdf.org>
6348
6349         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6350         * config/netbsd-d.c: New file.
6351         * config/t-netbsd: Add netbsd-d.o
6352
6353 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6354
6355         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6356         affects_type_identity to true for aarch64_vector_pcs.
6357         (aarch64_comp_type_attributes): New function.
6358         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6359
6360 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6361
6362         PR target/88850
6363         * config/arm/iterators.md (ANY64): Add V4HF.
6364
6365 2019-02-14  Martin Liska  <mliska@suse.cz>
6366
6367         PR rtl-optimization/89242
6368         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6369         process a transformation.
6370
6371 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6372
6373         PR tree-optimization/89314
6374         * fold-const.c (fold_binary_loc): Cast strlen argument to
6375         const char * before dereferencing it.  Formatting fixes.
6376
6377         PR middle-end/89284
6378         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6379
6380 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6381
6382         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6383         and set current index for other optimizations.
6384
6385 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6386
6387         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6388         nonimmediate_operand as operand 2 predicate.
6389         (vec_set<VF2_512_256:mode>_0): Ditto.
6390         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6391         (*vec_concatv2si): Remove alternative 2.
6392         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6393         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6394         (vec_concatv2di): Split alternatives 4,5,6 to ...
6395         (*vec_concatv2di_0) ... new pattern.
6396
6397 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6398
6399         PR target/89190
6400         * config/arm/arm.c (ldm_stm_operation_p) Set
6401         addr_reg_in_reglist correctly for first register.
6402         (load_multiple_sequence): Remove dead base check.
6403         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6404
6405 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6406
6407         PR target/88847
6408         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6409         Expose as @aarch64_pred_mov.
6410         * config/aarch64/aarch64.c (aarch64_classify_address):
6411         Use expand_insn which legitimizes operands.
6412
6413 2019-02-13  Martin Liska  <mliska@suse.cz>
6414
6415         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6416         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6417         and pointer_offset fields.
6418         (initialize_argument_information): Remove usage of dead
6419         fields.
6420         * cgraph.h (struct cgraph_thunk_info): Remove
6421         add_pointer_bounds_args.
6422         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6423         fields.
6424         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6425         fields.
6426         * config/i386/i386.c (ix86_function_arg_advance): Remove
6427         unrelated comment.
6428         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6429         (def_builtin):  Remove usage of dead
6430         fields.
6431         (ix86_add_new_builtins): Likewise.
6432         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6433         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6434         (sem_function::init): Likewise.
6435         (sem_variable::merge): Likewise.
6436         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6437         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6438         * lto-cgraph.c (lto_output_node): Likewise.
6439         (lto_output_varpool_node): Likewise.
6440         (input_node): Likewise.
6441         (input_varpool_node): Likewise.
6442         * lto-streamer-out.c (lto_output): Likewise.
6443         * tree-inline.c (expand_call_inline): Remove usage of
6444         assign_stmts.
6445         * tree-inline.h (struct copy_body_data): Likewise.
6446         * varpool.c (varpool_node::dump): Likewise.
6447
6448 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6449
6450         PR middle-end/89303
6451         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6452         into pt->vars_contains_escaped_heap instead of setting
6453         pt->vars_contains_escaped_heap to it.
6454
6455         PR middle-end/89281
6456         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6457         INTVAL (size), compare it to GET_MODE_MASK instead of
6458         1 << GET_MODE_BITSIZE.
6459
6460         PR target/89290
6461         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6462         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6463         -mcmodel=large.
6464
6465 2019-02-13  Martin Liska  <mliska@suse.cz>
6466
6467         PR lto/88858
6468         * cfgrtl.c (remove_barriers_from_footer): New function.
6469         (try_redirect_by_replacing_jump): Use it.
6470         (cfg_layout_redirect_edge_and_branch): Likewise.
6471
6472 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6473
6474         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6475         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6476         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6477         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6478         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6479         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6480         New BU_CRYPTO_2.
6481         * config/rs6000/rs6000.c (builtin_function_type)
6482         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6483         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6484         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6485         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6486         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6487
6488 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6489
6490         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6491         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6492
6493 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6494
6495         PR target/89229
6496         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6497         268678 and revision 268657.
6498         (*movti_internal): Likewise.
6499
6500 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6501
6502         PR target/89233
6503         * config/s390/s390.c (s390_decompose_address): Update comment.
6504         (s390_check_qrst_address): Reject invalid address forms after
6505         LRA.
6506
6507 2019-02-12  Martin Liska  <mliska@suse.cz>
6508
6509         PR lto/88876
6510         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6511         we need default values of funct_state for a function that
6512         is not optimized.
6513
6514 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6515
6516         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6517         the object to pick the size of stores on strict-alignment platforms.
6518
6519         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6520         (*movdi_insn_sp32): Likewise.
6521         (*movdi_insn_sp64): Likewise.
6522
6523 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6524
6525         PR lto/88677
6526         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6527         types that needs constructiong.
6528         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6529
6530 2019-02-12  Richard Biener  <rguenther@suse.de>
6531
6532         PR tree-optimization/89253
6533         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6534         duplicate the loop.
6535
6536 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6537
6538         PR lto/88147
6539         * input.c (selftest::test_line_offset_overflow): New selftest.
6540         (selftest::input_c_tests): Call it.
6541
6542 2019-02-11  Martin Sebor  <msebor@redhat.com>
6543
6544         PR tree-optimization/88771
6545         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6546         when -Wstringop-overflow is set.
6547         (builtin_memref::builtin_memref): Adjust excessive upper bound
6548         only when lower bound is not excessive.
6549         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6550         -Wstringop-ovefflow.
6551         (maybe_diag_offset_bounds): Rename...
6552         (maybe_diag_access_bounds): ...to this.
6553         (check_bounds_or_overlap): Adjust for name change above.
6554
6555 2019-02-11  Martin Sebor  <msebor@redhat.com>
6556
6557         PR c++/87996
6558         * builtins.c (max_object_size): Move from here...
6559         * builtins.h (max_object_size): ...and here...
6560         * tree.c (max_object_size): ...to here...
6561         * tree.h (max_object_size): ...and here.
6562
6563 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6564
6565         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6566         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6567         for correct semantics.
6568
6569 2019-02-11  Alan Modra  <amodra@gmail.com>
6570
6571         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6572         -mlongcall and -mpltseq.
6573         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6574         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6575         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6576         * config/rs6000/sysv4.opt (mpltseq): New option.
6577         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6578         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6579         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6580         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6581         -mpltseq given for ELFv1.
6582         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6583         Only use UNSPEC_PLTSEQ for inline PLT calls.
6584         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6585         use UNSPEC_PLTSEQ for inline PLT calls.
6586         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6587         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6588         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6589         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6590         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6591         (pltseq_mtctr_<mode>): Likewise.
6592
6593 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6594
6595         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6596         Solaris ld.
6597         * configure: Regenerate.
6598
6599 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6600
6601         PR bootstrap/88714
6602         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6603         instead of r.
6604
6605 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6606
6607         * function.c (assign_parm_setup_block): Use the stored
6608         size, not the passed size, when allocating stack-space,
6609         also for a parameter with alignment larger than
6610         MAX_SUPPORTED_STACK_ALIGNMENT.
6611
6612 2019-02-11  Martin Liska  <mliska@suse.cz>
6613
6614         PR ipa/89009
6615         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6616         * ipa-inline.c (inline_small_functions): Likewise.
6617         * ipa-pure-const.c (propagate_pure_const): Likewise.
6618         (propagate_nothrow): Likewise.
6619         * ipa-reference.c (propagate): Likewise.
6620         * ipa-utils.c (struct searchc_env): Remove unused field.
6621         (searchc): Always search across AVAIL_INTERPOSABLE.
6622         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6623         the only called IPA pure const can properly not propagate
6624         across interposable boundary.
6625         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6626
6627 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6628
6629         * config/nds32/nds32.md (call_internal, call_value_internal,
6630         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6631
6632 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6633
6634         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6635         typo.
6636
6637 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6638
6639         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6640         in comments
6641
6642 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6643
6644         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6645
6646 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6647
6648         PR tree-optimization/89268
6649         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6650         if preds is non-NULL.
6651
6652 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6653
6654         PR lto/89272
6655         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6656         polymorphic types.
6657
6658 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6659
6660         * config/nds32/nds32.md (trap): New pattern.
6661
6662 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6663
6664         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6665         dwarf span.
6666
6667 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6668
6669         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6670         to split POST_INC.
6671
6672 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6673
6674         * ipa-visibility.c (localize_node): Also do not localize
6675         LDPR_PREVAILING_DEF_IRONLY_EXP.
6676
6677 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6678
6679         PR lto/87957
6680         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6681         instead of type_with_linkage.
6682
6683 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6684
6685         PR ipa/88755
6686         * params.def (uninlined-function-insns, uninlined-function-time,
6687         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6688         bound so we don't get overflows.
6689
6690 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6691
6692         * config/rs6000/rs6000-string.c (expand_compare_loop,
6693         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6694         memcmp/strncmp.
6695
6696 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6697
6698         PR middle-end/89246
6699         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6700         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6701         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6702
6703 2019-02-09  Alan Modra  <amodra@gmail.com>
6704
6705         PR target/88343
6706         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6707         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6708         setup.
6709
6710 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6711
6712         PR middle-end/88560
6713         * lra-constraints.c (process_alt_operands): Don't increase reject
6714         for memory when offset memory is required.
6715
6716 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6717
6718         * config/s390/vector.md: Implement vector copysign.
6719
6720 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6721
6722         * expr.c (expand_constructor): Correct indentations.
6723
6724 2019-02-08  Richard Biener  <rguenther@suse.de>
6725
6726         PR tree-optimization/89247
6727         * tree-if-conv.c: Include tree-cfgcleanup.h.
6728         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6729         (tree_if_conversion): Pass through predicate vector.
6730         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6731         inline, see if any if-converted loops we refrece in
6732         LOOP_VECTORIZED calls vanished and fixup.
6733         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6734
6735 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6736
6737         * config/s390/constraints.md (jdd): New constraint.
6738
6739 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6740
6741         PR target/89229
6742         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6743         upper 16 vector registers without TARGET_AVX512VL.
6744         (*movti_internal): Likewise.
6745
6746 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6747
6748         PR rtl-optimization/89234
6749         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6750         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6751         (copy_reg_eh_region_note_backward): Likewise.
6752
6753 2019-02-08  Richard Biener  <rguenther@suse.de>
6754
6755         PR middle-end/89223
6756         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6757         doesn't fit in HWI.
6758         (analyze_subscript_affine_affine): Handle failure from
6759         initialize_matrix_A.
6760
6761 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6762
6763         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6764         cfun everywhere.
6765
6766 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6767
6768         PR tree-optimization/86637
6769         PR tree-optimization/89235
6770         * tree-vect-loop.c (optimize_mask_stores): Add an
6771         auto_purge_vect_location sentinel to ensure that vect_location is
6772         purged on exit.
6773         * tree-vectorizer.c
6774         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6775         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6776         to ensure that vect_location is purged on exit.
6777         (pass_slp_vectorize::execute): Likewise, replacing the manual
6778         reset.
6779         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6780
6781 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6782
6783         * config/aarch64/iterators.md (max_opp): New code_attr.
6784         (USMAX): New code iterator.
6785         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6786         (aarch64_smax): Likewise.
6787         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6788         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6789         MINUS (MAX MIN).
6790
6791 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6792
6793         PR target/89229
6794         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6795         for TARGET_AVX512VL.
6796         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6797
6798 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6799
6800         * config/s390/s390-builtin-types.def: Add new types.
6801         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6802         (s390_vec_xlw4): Make the memory operand into a const pointer.
6803         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6804         float.
6805         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6806         a new vector type with the alignment of the scalar memory operand.
6807
6808 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6809             Jakub Jelinek  <jakub@redhat.com>
6810
6811         PR bootstrap/88714
6812         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6813         arm_count_ldrdstrd_insns): New declarations.
6814         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6815         MINUS.
6816         (valid_operands_ldrd_strd): New function.
6817         (arm_count_ldrdstrd_insns): New function.
6818         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6819         sets instead of single DImode set and define new insns to match this.
6820
6821 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6822
6823         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6824         Make it a C initializer.
6825
6826 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6827
6828         PR/target 88850
6829         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6830
6831 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6832
6833         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6834         Use neon_dot<q> for type.
6835         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6836
6837 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6838
6839         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6840         Use neon_dot<q> for type.
6841         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6842         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6843
6844 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6845
6846         PR rtl-optimization/89225
6847         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6848         sizes check.
6849
6850 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6851
6852         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6853         after restoring registers saved to allocate the frame on Windows.
6854
6855 2019-02-06  Richard Biener  <rguenther@suse.de>
6856
6857         PR tree-optimization/89182
6858         * graphite.h (cached_scalar_evolution_in_region): Declare.
6859         * graphite.c (struct seir_cache_key): New.
6860         (struct sese_scev_hash): Likewise.
6861         (seir_cache): New global.
6862         (cached_scalar_evolution_in_region): New function.
6863         (graphite_transform_loops): Allocate and release seir_cache.
6864         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6865         cached_scalar_evolution_in_region.
6866         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6867         Simplify.
6868         (scop_detection::graphite_can_represent_expr: Use
6869         cached_scalar_evolution_in_region.
6870         (scop_detection::stmt_simple_for_scop_p): Likewise.
6871         (find_params_in_bb): Likewise.
6872         (gather_bbs::before_dom_children): Likewise.
6873         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6874         (add_loop_constraints): Likewise.
6875
6876 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6877
6878         PR middle-end/89210
6879         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6880         operand to new_unary_operation only if both element types are integral
6881         and it isn't a widening conversion.  Return NULL_TREE if
6882         new_unary_operation failed.
6883
6884 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6885
6886         PR target/88856
6887         * config/s390/s390.md: Remove load and test FP splitter.
6888
6889 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6890
6891         PR target/89112
6892         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6893         expand_compare_loop, expand_block_compare_gpr,
6894         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6895         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6896         #include "profile-count.h" and "predict.h" for types and functions
6897         needed to work with REG_BR_PROB notes.
6898
6899 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6900
6901         PR target/89112
6902         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6903         for the long branch case.
6904
6905 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6906
6907         PR target/89188
6908         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6909         can throw, non-call exceptions are enabled and we can't delete
6910         dead exceptions or alter cfg.  Set must_clean if
6911         delete_insn_and_edges returns true, don't set it blindly for calls.
6912         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6913
6914         PR rtl-optimization/89195
6915         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6916         of the original MEM.
6917
6918 2019-02-05  Martin Liska  <mliska@suse.cz>
6919
6920         PR gcov-profile/89000
6921         * gcov.c (function_summary): Remove argument.
6922         (file_summary): New function.
6923         (print_usage): Replace tabs with spaces.
6924         (generate_results): Use new function file_summary.
6925
6926 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR target/89186
6929         * optabs.c (prepare_cmp_insn): Pass x and y to
6930         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6931
6932 2019-02-05  Richard Biener  <rguenther@suse.de>
6933
6934         PR middle-end/89150
6935         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6936         (struct bitmap_element): Drop chain_prev so we properly recurse on
6937         the prev member, supporting tree views.
6938         (struct bitmap_head): GTY skip the obstack member.
6939
6940 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6941
6942         PR c/88698
6943         * doc/extend.texi (Vector Extensions): Add an example of using vector
6944         types together with x86 intrinsics.
6945
6946 2019-02-04  Alan Modra  <amodra@gmail.com>
6947
6948         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6949         str[] size to 160, and comment.
6950
6951 2019-02-04  Alan Modra  <amodra@gmail.com>
6952
6953         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6954         (rs6000_pltseq_template): Guard output of TLS markers with
6955         TARGET_TLS_MARKERS.
6956         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6957         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
6958         to use inline PLT sequences.
6959         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6960         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6961         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
6962
6963 2019-02-04  Martin Liska  <mliska@suse.cz>
6964
6965         PR ipa/88985
6966         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
6967         out when ipa_fn_summaries does not contain entry for callee.
6968
6969 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
6970
6971         * config/sparc/sparc.h: Remove superfluous blank lines.
6972         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
6973         (got_register_rtx): ...this.
6974         (sparc_got): Adjust to above renaming.
6975         (sparc_tls_got): Likewise.
6976         (sparc_delegitimize_address): Likewise.
6977         (sparc_output_mi_thunk): Likewise.
6978         (sparc_init_pic_reg): Likewise.
6979         (save_local_or_in_reg_p): Fix test on the GOT register.
6980         (USE_HIDDEN_LINKONCE): Move around.
6981         (get_pc_thunk_name): Likewise.
6982         (gen_load_pcrel_sym): Likewise.
6983         (load_got_register): Likewise.
6984
6985 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
6986
6987         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
6988         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
6989
6990 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6991
6992         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
6993         into consideration.
6994
6995 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
6996
6997         * config.gcc (with_nds32_lib, glibc):
6998         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
6999         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7000         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7001
7002 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7003
7004         PR target/89071
7005         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7006         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7007         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7008         (*rcpsf2_sse): Ditto.
7009         (*rsqrtsf2_sse): Ditto.
7010         (sse4_1_round<mode<2): Ditto.
7011
7012 2019-02-03  Richard Biener  <rguenther@suse.de>
7013
7014         PR debug/87295
7015         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7016         orig.
7017
7018 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7019
7020         PR middle-end/87887
7021         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7022         Punt with warning on aggregate return or argument types.  Ignore
7023         type/mode checking for uniform arguments.
7024
7025 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7026
7027         * combine.c (try_combine): Do not print "Can't combine" messages unless
7028         printing failed combination attempts.
7029
7030 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7031
7032         PR hsa/87863
7033         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7034         segment and global segment variables before making them static.
7035
7036 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7037
7038         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7039         missed optimization dump with dump_enabled_p.
7040
7041 2019-02-01  Richard Biener  <rguenther@suse.de>
7042
7043         PR middle-end/88597
7044         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7045         the instantiate cache.
7046         (instantiate_scev_binary): Elide second operand procesing
7047         if equal to the first.
7048         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7049         (chrec_contains_undetermined): Likewise.
7050         (tree_contains_chrecs): Likewise.
7051
7052 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7053
7054         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7055
7056 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7057
7058         PR tree-optimization/89143
7059         * wide-int-range.h (wide_int_range_absu): Declare.
7060         * wide-int-range.cc (wide_int_range_absu): New function.
7061         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7062
7063         PR tree-optimization/88107
7064         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7065         instead of assertion that eh_region_outermost is non-NULL, if it
7066         is NULL, set *ALL to true and return NULL.
7067         (move_sese_region_to_fn): Adjust caller, if all is set, call
7068         duplicate_eh_regions with NULL region.
7069
7070 2019-02-01  Richard Biener  <rguenth@suse.de>
7071
7072         PR rtl-optimization/88593
7073         * mode-switching.c (optimize_mode_switching): Free dominators before
7074         calling cleanup_cfg.
7075
7076 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7077
7078         PR tree-optimization/88932
7079         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7080
7081 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7082
7083         PR middle-end/89137
7084         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7085         bogus clang warning.
7086
7087 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7088
7089         PR target/89071
7090         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7091         alternative to avoid partial SSE register stall for TARGET_AVX.
7092         (truncdfsf2): Ditto.
7093         (sse4_1_round<mode>2): Ditto.
7094
7095 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7096
7097         PR tree-optimization/89008
7098         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7099         process anything of the form X * 0.
7100
7101 2019-01-31  Richard Biener  <rguenther@suse.de>
7102
7103         PR tree-optimization/89135
7104         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7105         with abnormal preds.
7106
7107 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7108
7109         PR sanitizer/89124
7110         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7111         always_inline callees into no_sanitize_address callers.
7112
7113 2019-01-31  Richard Biener  <rguenther@suse.de>
7114
7115         PR rtl-optimization/89115
7116         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7117
7118 2019-01-30  Martin Sebor  <msebor@redhat.com>
7119
7120         PR other/89106
7121         * doc/extend.texi (cast to a union): Correct and expand.
7122
7123 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7124
7125         PR rtl-optimization/87246
7126         * lra-constraints.c (simplify_operand_subreg): Reload memory
7127         in subreg if the address became invalid.
7128
7129 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7130
7131         PR target/87064
7132         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7133         Disable for little-endian.
7134
7135 2019-01-30  Richard Biener  <rguenther@suse.de>
7136
7137         PR rtl-optimization/89115
7138         * opts.c (default_options_optimization): Reduce
7139         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7140         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7141         to the default.
7142
7143 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7144
7145         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7146         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7147         type of vector element when vec_extract is implemented by direct
7148         move.
7149
7150 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7151
7152         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7153
7154 2019-01-30  Richard Biener  <rguenther@suse.de>
7155
7156         PR tree-optimization/89111
7157         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7158         canonicalization to appropriately sized access types.
7159
7160 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7161
7162         PR c++/89105
7163         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7164         for arguments to functions that are TU-local and shouldn't be
7165         referenced by assembly.
7166
7167 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7168
7169         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7170         after '='.
7171
7172 2019-01-29  Martin Sebor  <msebor@redhat.com>
7173
7174         PR c/88956
7175         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7176
7177 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7178
7179         PR c++/66676
7180         PR ipa/89104
7181         * omp-simd-clone.c (simd_clone_clauses_extract)
7182         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7183         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7184
7185 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7186
7187         * config.gcc: Force .init_array for ARC.
7188
7189 2019-01-29  Richard Biener  <rguenther@suse.de>
7190
7191         PR debug/87295
7192         * dwarf2out.c (collect_skeleton_dies): New helper.
7193         (copy_decls_for_unworthy_types): Call it.
7194         (build_abbrev_table): Assert we do not try to replace
7195         DW_AT_signature refs with local refs.
7196
7197 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7198
7199         PR middle-end/89002
7200         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7201         for lastprivate/linear IV, push gimplify context around gimplify_assign
7202         and, if it needed any temporaries, pop it into a gimple bind around the
7203         sequence.
7204
7205 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7206
7207         * common.opt (-Wattribute-alias): Remove "no-" from name.
7208         Make -Wattribute-alias command line option and
7209         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7210
7211 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7212
7213         PR target/89073
7214         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7215         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7216         x86 ISA options.
7217         (bmi2): Add missing @opindex.
7218         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7219         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7220         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7221         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7222         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7223         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7224         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7225         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7226         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7227         xsavec, xsaveopt and xsaves options.
7228
7229 2019-01-28  Richard Biener  <rguenther@suse.de>
7230
7231         PR debug/89076
7232         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7233         support removal.
7234
7235 2019-01-28  Richard Biener  <rguenther@suse.de>
7236
7237         PR tree-optimization/88739
7238         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7239         BIT_FIELD_REFs only are applied to mode-precision operands
7240         when they are integral.
7241         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7242         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7243         BIT_FIELD_REFs of non-mode-precision integral operands.
7244
7245 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7246
7247         PR target/87214
7248         * config/i386/sse.md
7249         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7250         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7251         first constants in pairs are multiples of 2.  Formatting fixes.
7252         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7253         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7254         first constants in each quadruple are multiples of 4.  Formatting fixes.
7255
7256 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7257
7258         PR ipa/88933
7259         * tree-inline.c: Include tree-cfgcleanup.h.
7260         (delete_unreachable_blocks_update_callgraph): Move...
7261         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7262         ...here, make externally visible, make second argument bool, adjust
7263         all callers.
7264         * tree-cfgcleanup.c: Include cgraph.h.
7265         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7266         Declare.
7267         * ipa-prop.c: Include tree-cfgcleanup.h.
7268         (ipcp_transform_function): Call
7269         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7270
7271 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7272
7273         PR rtl-optimization/88846
7274         * ira.c (process_set_for_memref_referenced_p): New.
7275         (memref_referenced_p): Add new param.  Use
7276         process_set_for_memref_referenced_p.  Add new switch cases.
7277         (memref_used_between_p): Pass new arg to memref_referenced_p.
7278
7279 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7280
7281         PR target/88469
7282         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7283         argument ABI_BREAK.  Set to true if the calculated alignment has
7284         changed in gcc-9.  Check bit-fields for their base type alignment.
7285         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7286         (aarch64_function_arg_boundary): Likewise.
7287         (aarch64_gimplify_va_arg_expr): Likewise.
7288
7289 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7290
7291         PR middle-end/89037
7292         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7293         instead of accessing TREE_INT_CST_ELT directly.
7294
7295 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7296
7297         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7298         fenv_exceptions description.
7299
7300 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7301
7302         PR rtl-optimization/87763
7303         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7304         Allow SUBREG when matching CC_NZmode compare.
7305
7306 2019-01-25  Richard Biener  <rguenther@suse.de>
7307
7308         PR tree-optimization/89049
7309         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7310         Look at the pattern stmt to determine if the stmt is vectorized.
7311
7312 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7313
7314         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7315         (pred_mov<mode>): Handle all-register forms using both a new
7316         alternative and a split.
7317
7318 2019-01-25  Richard Biener  <rguenther@suse.de>
7319
7320         PR tree-optimization/86865
7321         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7322         Reject non-do-while loops.
7323
7324 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7325
7326         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7327         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7328         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7329         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7330         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7331         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7332         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7333         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7334         vlogical_operand, gpc_reg_operand, int_reg_operand,
7335         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7336         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7337         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7338         (save_world_operation, restore_world_operation, lmw_operation,
7339         stmw_operation): Use MEM_P and REG_P.
7340         (tie_operand): Use MEM_P.
7341         (vrsave_operation, crsave_operation): Use REG_P.
7342         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7343         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7344         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7345         (call_operand): Use HARD_REGISTER_P.
7346         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7347         Use CONST_INT_P.
7348         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7349         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7350         quad_aligned_load_p, replace_swapped_aligned_store,
7351         recombine_lvx_pattern, replace_swapped_aligned_load,
7352         recombine_stvx_pattern): Use MEM_P.
7353         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7354         Use MEM_P and SYMBOL_REF_P.
7355         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7356         (insn_is_swappable_p): Use REG_P and MEM_P.
7357         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7358         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7359         Use CONST_INT_P.
7360         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7361         Use CONST_DOUBLE_P.
7362         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7363         CONST_WIDE_INT_P.
7364         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7365         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7366         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7367         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7368         reg_or_subregno:
7369         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7370         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7371         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7372         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7373         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7374         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7375         rs6000_split_logical_di): Use CONST_INT_P.
7376         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7377         REG_P and SYMBOL_REF_P.
7378         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7379         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7380         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7381         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7382         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7383         (small_data_operand, print_operand_address): Use CONST_INT_P and
7384         SYMBOL_REF_P.
7385         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7386         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7387         Use HARD_REGISTER_NUM_P.
7388         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7389         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7390         SUBREG_P and SYMBOL_REF_P.
7391         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7392         and HARD_REGISTER_NUM_P.
7393         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7394         reg_or_subregno.
7395         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7396         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7397         MEM_P and REG_P.
7398         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7399         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7400         find_addr_reg): Use REG_P.
7401         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7402         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7403         (offsettable_ok_by_alignment, constant_pool_expr_p,
7404         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7405         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7406         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7407         rs6000_assemble_integer, create_TOC_reference,
7408         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7409         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7410         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7411         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7412         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7413         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7414         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7415         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7416         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7417         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7418         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7419         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7420         and cbranch<mode>4): Use CONST_INT_P.
7421         (multiple define_splits): Use REG_P and SUBREG_P.
7422         (define_expands call, call_value): Use MEM_P.
7423         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7424         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7425         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7426         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7427         and HARD_REGISTER_NUM_P.
7428         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7429
7430 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7431
7432         PR rtl-optimization/88948
7433         * rtl.h (prepare_copy_insn): New prototype.
7434         * gcse.c (prepare_copy_insn): New function, split out from
7435         process_insert_insn.
7436         (process_insert_insn): Use prepare_copy_insn.
7437         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7438         instead of gen_move_insn.
7439
7440 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7441
7442         PR debug/89006
7443         * config/i386/i386.c (ix86_pic_register_p): Return true for
7444         UNSPEC_SET_GOT too.
7445
7446         PR tree-optimization/88964
7447         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7448         punt if HONOR_SNANS (chrec).
7449
7450         PR middle-end/89015
7451         * tree-nested.c (convert_nonlocal_reference_stmt,
7452         convert_local_reference_stmt, convert_tramp_reference_stmt,
7453         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7454         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7455         or GIMPLE_OMP_TASK.
7456
7457         PR tree-optimization/89027
7458         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7459         for "omp simd array" variables.
7460
7461 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7462
7463         PR target/88469
7464         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7465         force the alignment of m_val.
7466
7467 2019-01-24  Richard Biener  <rguenther@suse.de>
7468
7469         PR lto/87187
7470         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7471         When in "legacy" debug mode make sure to reset self-origins.
7472
7473 2019-01-24  Martin Liska  <mliska@suse.cz>
7474
7475         PR gcov-profile/88994
7476         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7477         result will be always smaller or equal to the original.
7478         * gcov.c (mangle_name): Fix else branch where we should
7479         also copy to PTR and shift the pointer.
7480
7481 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7482
7483         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7484         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7485
7486 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7487             Steve Ellcey <sellcey@marvell.com>
7488
7489         PR target/85711
7490         * recog.c (address_operand): Return false on wrong mode for address.
7491         (constrain_operands): Check for mode with 'p' constraint.
7492
7493 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7494
7495         PR target/88998
7496         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7497         Disparage MMX alternative.
7498         (sse2_cvtpd2pi): Ditto.
7499         (sse2_cvttpd2pi): Ditto.
7500
7501 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7502
7503         PR driver/89014
7504         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7505         use-after-free of the result of
7506         aarch64_get_extension_string_for_isa_flags.
7507
7508 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7509
7510         PR c/44715
7511         * doc/extend.texi: Document break and continue behavior in
7512         statement expressions.
7513
7514 2019-01-23  Richard Biener  <rguenther@suse.de>
7515
7516         PR tree-optimization/89008
7517         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7518         not leave another stray operand.
7519
7520 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7521
7522         * BASE-VER: Bump to 9.0.1.
7523
7524 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7525
7526         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7527         thunk that returns by reference, use the type of the return object
7528         of the thunk instead of that of the alias to build the dereference.
7529
7530 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7531
7532         * config/arc/atomic.md: Add operand to DMB instruction.
7533
7534 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7535
7536         PR tree-optimization/88964
7537         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7538         build_zero_cst instead of build_int_cst.  Return false for loop
7539         invariants which honor signed zeros.
7540
7541 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7542
7543         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7544
7545 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7546
7547         PR target/88965
7548         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7549         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7550         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7551
7552         PR middle-end/88968
7553         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7554         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7555
7556         PR target/87064
7557         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7558         Disable for little endian.
7559
7560 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7561
7562         PR target/88469
7563         * config/arm/arm.c (arm_needs_double_word_align): Check
7564         DECL_BIT_FIELD_TYPE.
7565
7566 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7567             H.J. Lu  <hongjiu.lu@intel.com>
7568
7569         PR target/88909
7570         * config/i386/i386-builtin.def: Add mask2 to all builtin
7571         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7572         SPECIAL_ARGS.
7573         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7574         (BDESC_FIRST): Likewise.
7575         (define_builtin): Add an argument for mask2.  Updated to handle
7576         both ix86_isa_flags and ix86_isa_flags2.
7577         (define_builtin_const): Likewise.
7578         (define_builtin_pure): Likewise.
7579         (define_builtin2): Deleted.
7580         (define_builtin_const2): Likewise.
7581         (builtin_description): Add a member, mask2.
7582         (bdesc_*): Add mask2 to builtin initializations.
7583         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7584         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7585         support.
7586         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7587
7588 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7589
7590         PR target/88954
7591         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7592         noplt attribute.
7593
7594 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7595
7596         PR target/88469
7597         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7598         alignment is dominated by a bitfield with 64-bit aligned base type.
7599         (arm_function_arg): Emit a warning if the alignment has changed since
7600         earlier GCC releases.
7601         (arm_function_arg_boundary): Likewise.
7602         (arm_setup_incoming_varargs): Likewise.
7603
7604 2019-01-22  Richard Biener  <rguenther@suse.de>
7605
7606         PR tree-optimization/88862
7607         * graphite-scop-detection.c
7608         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7609
7610 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7611
7612         * doc/extend.tex (AMD GCN Function Attributes): New section.
7613         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7614         * doc/invoke.texi (AMD GCN Options): New section.
7615         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7616
7617 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7618
7619         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7620         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7621
7622 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7623
7624         PR tree-optimization/88044
7625         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7626         is false in the first iteration, but !every_iteration, return false
7627         instead of true with niter->niter zero.
7628
7629         PR rtl-optimization/88904
7630         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7631         any nonequal registers before processing BB_END (b).
7632
7633         PR target/88905
7634         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7635         GET_MODE (op0).
7636         (expand_binop_directly, expand_doubleword_clz,
7637         expand_doubleword_popcount, expand_ctz, expand_ffs,
7638         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7639
7640         PR rtl-optimization/49429
7641         PR target/49454
7642         PR rtl-optimization/86334
7643         PR target/88906
7644         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7645         addressable from here...
7646         (emit_block_op_via_libcall): ... to here.
7647
7648 2019-01-22  Richard Biener  <rguenther@suse.de>
7649
7650         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7651         auto_vec for cost vector to fix memleak.
7652         (vectorize_fold_left_reduction): Properly gather SLP defs.
7653         (vectorizable_comparison): Do not swap operands to properly
7654         gather SLP defs.
7655
7656 2019-01-22  Alan Modra  <amodra@gmail.com>
7657
7658         PR target/88614
7659         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7660         stays a reg.  Allow a const_int.
7661         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7662         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7663         (IS_NOMARK_TLSGETADDR): Define.
7664         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7665         (rs6000_output_tlsargs): New function.
7666         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7667         __tls_get_addr call takes an arg.
7668         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7669         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7670         delete split..
7671         (call_value_nonlocal_sysv): ..or here, delete split.
7672         (tls_gdld_nomark): Delete.
7673         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7674         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7675         (call_value_nonlocal_sysv): Likewise.
7676         (call_value_nonlocal_sysv_secure): Likewise.
7677         (call_value_nonlocal_aix): Likewise.
7678         (call_value_indirect_aix): Likewise.
7679         (call_value_indirect_elfv2): Likewise.
7680         (call_value_local32, call_value_local64): Disable for no-mark tls.
7681         (call_value_local_aix): Likewise.
7682
7683 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7684
7685         PR target/88938
7686         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7687         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7688
7689 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7690
7691         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7692         string contents as hash_map keys.
7693
7694 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7695
7696         PR c/88928
7697         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7698         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7699         instead of TYPE_ALIGN.
7700         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7701         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7702         pointer from TYPE_STUB_DECL.
7703
7704 2019-01-21  Richard Biener  <rguenther@suse.de>
7705
7706         PR tree-optimization/88934
7707         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7708         at the possibly non-constant operand.
7709         (vect_get_constant_vectors): Adjust.
7710
7711 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7712
7713         PR target/71659
7714         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7715         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7716         instead of _X86INTRIN_H_INCLUDED.
7717         * onfig/i386/clwbintrin.h: Likewise.
7718         * config/i386/pkuintrin.h: Likewise.
7719         * config/i386/prfchwintrin.h: Likewise.
7720         * config/i386/rdseedintrin.h: Likewise.
7721         * config/i386/wbnoinvdintrin.h: Likewise.
7722         * config/i386/xsavecintrin.h: Likewise.
7723         * config/i386/xsavesintrin.h: Likewise.
7724         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7725         * config/i386/xsaveintrin.h: Likewise.
7726         * config/i386/xsaveoptintrin.h: Likewise.
7727         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7728         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7729         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7730         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7731         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7732         * config/i386/immintrin.h: Here.
7733
7734 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7735
7736         PR ipa/87615
7737         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7738         with aa_walk_budget.
7739         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7740         aa_walk_budget_p parameter.
7741         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7742         walk.  Updated all callers.
7743         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7744         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7745         unmodified_parm.
7746         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7747         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7748         and to unmodified_parm.
7749         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7750         info, updated call to will_be_nonconstant_expr_predicate.
7751         (param_change_prob): New parameter fbi, limit AA walking.
7752         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7753         calls to various above functions.
7754         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7755         parameter.  Use it to limit AA walking.
7756         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7757         fbi, limit AA walk.
7758         (detect_type_change): New parameter fbi, pass it on to
7759         detect_type_change_from_memory_writes.
7760         (detect_type_change_ssa): Likewise.
7761         (aa_overwalked): Removed.
7762         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7763         accordingly, adjust to the neew AA limiting scheme.
7764         (parm_ref_data_preserved_p): Likewise.
7765         (ipa_compute_jump_functions_for_edge): Adjust call to
7766         get_dynamic_type.
7767         (ipa_analyze_call_uses): Likewise.
7768         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7769         (ipa_analyze_node): Initialize aa_walk_budget.
7770         (ipcp_transform_function): Likewise.
7771         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7772         to get_dynamic_type.
7773
7774 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7775
7776         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7777         outside of #if CHECKING_P code.
7778
7779 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7780
7781         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7782         New function, split out from...
7783         (loop_versioning::analyze_stride): ...here.
7784         (loop_versioning::find_per_loop_multiplication): Use gassign.
7785         (loop_versioning::analyze_term_using_scevs): Return a success code.
7786         (loop_versioning::analyze_arbitrary_term): New function.
7787         (loop_versioning::analyze_address_fragment): Use
7788         analyze_arbitrary_term if all else fails.
7789
7790 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7791
7792         PR target/88892
7793         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7794         operands.
7795
7796 2019-01-18  Richard Biener  <rguenther@suse.de>
7797
7798         PR tree-optimization/88903
7799         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7800         scalar stmts a SLP shift amount is composed of when detecting
7801         shifts by scalars.
7802
7803 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7804
7805         PR target/88799
7806         * config/arm/arm-cpus.in (mp): New feature.
7807         (sec): New feature.
7808         (fgroup ARMv7ve): Add mp and sec features.
7809         (arch armv7-a): Add options to allow mp and sec extensions.
7810         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7811         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7812         extenstions to the base architecture.
7813         (cpu cortex-a8): Add sec extension to the base architecture.
7814         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7815         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7816         variants down to the base v7-a varaint.
7817         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7818         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7819         of permitted extensions for -march=armv7-a and for
7820         -mcpu=generic-armv7-a.
7821
7822 2019-01-18  Martin Liska  <mliska@suse.cz>
7823
7824         * params.def: Fix comment.
7825         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7826         name.
7827         (gimple_gen_ic_func_profiler): Likewise.
7828
7829 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7830
7831         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7832         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7833         and put in error checks for stack protector guard options.
7834         (aarch64_stack_protect_guard): New.
7835         (TARGET_STACK_PROTECT_GUARD): Define.
7836         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7837         (reg_stack_protect_address<mode>): New.
7838         (stack_protect_set): Adjust for SSP_GLOBAL.
7839         (stack_protect_test): Likewise.
7840         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7841         (-mstack-protector-guard): Likewise.
7842         (-mstack-protector-guard-offset): Likewise.
7843
7844 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7845
7846         PR tree-optimization/86214
7847         * tree-inline.h (struct copy_body_data): Add
7848         add_clobbers_to_eh_landing_pads member.
7849         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7850         (copy_edges_for_bb): Call it if EH edge destination is <
7851         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7852         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7853         if flag_stack_reuse != SR_NONE and clear it afterwards.
7854
7855 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7856
7857         PR target/85596
7858         * doc/install.texi (with-multilib-list): Document for aarch64.
7859
7860 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7861
7862         PR target/88734
7863         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7864         (("..."))) with ("...").
7865
7866 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7867
7868         * doc/extend.texi (Built-in Functions for Memory Model Aware
7869         Atomic Operations): Document atomic fetch and nand.
7870
7871 2019-01-18  Martin Liska  <mliska@suse.cz>
7872             Richard Biener  <rguenther@suse.de>
7873
7874         PR middle-end/88587
7875         * cgraph.h (create_version_clone_with_body): Add new argument
7876         with attributes.
7877         * cgraphclones.c (cgraph_node::create_version_clone): Add
7878         DECL_ATTRIBUTES to a newly created decl.  And call
7879         valid_attribute_p so that proper cl_target_optimization_node
7880         is set for the newly created declaration.
7881         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7882         for declaration.
7883         (expand_target_clones): Do not call valid_attribute_p, it must
7884         be already done.
7885         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7886         vector types.
7887
7888 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7889
7890         PR target/88734
7891         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7892         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7893         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7894
7895 2019-01-17  Martin Sebor  <msebor@redhat.com>
7896
7897         PR middle-end/88273
7898         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7899         Handle anti-ranges the same as no range at all.
7900
7901 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7902
7903         * config/aarch64/aarch64.c (cgraph.h): New include.
7904         (intl.h): New include.
7905         (supported_simd_type): New function.
7906         (currently_supported_simd_type): Ditto.
7907         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7908         (aarch64_simd_clone_adjust): Ditto.
7909         (aarch64_simd_clone_usable): Ditto.
7910         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7911         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7912         (TARGET_SIMD_CLONE_USABLE): Ditto.
7913         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7914         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7915         call.
7916
7917 2019-01-17  Martin Sebor  <msebor@redhat.com>
7918
7919         PR tree-optimization/88800
7920         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7921         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7922         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7923         redundant argument.  Add new argument and issue diagnostics under
7924         its control.  Detect out-of-bounds access even with warnings
7925         disabled.
7926         (check_bounds_or_overlap): Change return type.  Add argument.
7927         (wrestrict_dom_walker::check_call): Adjust.
7928         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7929         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7930         check_bounds_or_overlap's return value.
7931         (handle_builtin_stxncpy): Same.
7932         (handle_builtin_strcat): Same.
7933
7934 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7935             Kwok Cheung Yeung  <kcy@codesourcery.com>
7936             Julian Brown  <julian@codesourcery.com>
7937             Tom de Vries  <tom@codesourcery.com>
7938
7939         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7940
7941 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7942
7943         * doc/sourcebuild.texi: Document dg-require-effective-target
7944         llvm_binutils and offload_gcn.
7945
7946 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7947             Kwok Cheung Yeung  <kcy@codesourcery.com>
7948             Julian Brown  <julian@codesourcery.com>
7949             Tom de Vries  <tom@codesourcery.com>
7950
7951         * doc/sourcebuild.texi: Document dg-required-effective-target
7952         exceptions.
7953
7954 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7955             Kwok Cheung Yeung  <kcy@codesourcery.com>
7956             Julian Brown  <julian@codesourcery.com>
7957             Tom de Vries  <tom@codesourcery.com>
7958             Jan Hubicka  <hubicka@ucw.cz>
7959             Martin Jambor  <mjambor@suse.cz>
7960
7961         * config.gcc: Add amdgcn*-*-amdhsa configuration.
7962         * configure.ac: Check for dlopen.
7963         * configure: Regenerate.
7964
7965 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7966             Kwok Cheung Yeung  <kcy@codesourcery.com>
7967             Julian Brown  <julian@codesourcery.com>
7968             Tom de Vries  <tom@codesourcery.com>
7969             Jan Hubicka  <hubicka@ucw.cz>
7970             Martin Jambor  <mjambor@suse.cz>
7971
7972         * common/config/gcn/gcn-common.c: New file.
7973         * config/gcn/driver-gcn.c: New file.
7974         * config/gcn/gcn-builtins.def: New file.
7975         * config/gcn/gcn-hsa.h: New file.
7976         * config/gcn/gcn-modes.def: New file.
7977         * config/gcn/gcn-opts.h: New file.
7978         * config/gcn/gcn-passes.def: New file.
7979         * config/gcn/gcn-protos.h: New file.
7980         * config/gcn/gcn-run.c: New file.
7981         * config/gcn/gcn-tree.c: New file.
7982         * config/gcn/gcn.c: New file.
7983         * config/gcn/gcn.h: New file.
7984         * config/gcn/gcn.opt: New file.
7985         * config/gcn/t-gcn-hsa: New file.
7986
7987 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7988             Kwok Cheung Yeung  <kcy@codesourcery.com>
7989             Julian Brown  <julian@codesourcery.com>
7990             Tom de Vries  <tom@codesourcery.com>
7991             Jan Hubicka  <hubicka@ucw.cz>
7992             Martin Jambor  <mjambor@suse.cz>
7993
7994         * config/gcn/constraints.md: New file.
7995         * config/gcn/gcn-valu.md: New file.
7996         * config/gcn/gcn.md: New file.
7997         * config/gcn/predicates.md: New file.
7998
7999 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8000
8001         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8002         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8003         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8004         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8005
8006 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8007
8008         PR target/88851
8009         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8010         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8011         it and document registers.
8012
8013 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8014
8015         * config/aarch64/aarch64.c (ares_tunings): Define.
8016         * config/aarch64/aarch64-cores.def (ares): Use the above.
8017
8018 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8019
8020         PR target/88794
8021         Revert:
8022         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8023
8024         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8025         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8026         (_mm512_maskz_fixupimm_round_pd): Ditto.
8027         (_mm512_fixupimm_round_ps): Ditto.
8028         (_mm512_maskz_fixupimm_round_ps): Ditto.
8029         (_mm_fixupimm_round_sd): Ditto.
8030         (_mm_maskz_fixupimm_round_sd): Ditto.
8031         (_mm_fixupimm_round_ss): Ditto.
8032         (_mm_maskz_fixupimm_round_ss): Ditto.
8033         (_mm512_fixupimm_pd): Ditto.
8034         (_mm512_maskz_fixupimm_pd): Ditto.
8035         (_mm512_fixupimm_ps): Ditto.
8036         (_mm512_maskz_fixupimm_ps): Ditto.
8037         (_mm_fixupimm_sd): Ditto.
8038         (_mm_maskz_fixupimm_sd): Ditto.
8039         (_mm_fixupimm_ss): Ditto.
8040         (_mm_maskz_fixupimm_ss): Ditto.
8041         (_mm512_mask_fixupimm_round_pd): Update builtin.
8042         (_mm512_mask_fixupimm_round_ps): Ditto.
8043         (_mm_mask_fixupimm_round_sd): Ditto.
8044         (_mm_mask_fixupimm_round_ss): Ditto.
8045         (_mm512_mask_fixupimm_pd): Ditto.
8046         (_mm512_mask_fixupimm_ps): Ditto.
8047         (_mm_mask_fixupimm_sd): Ditto.
8048         (_mm_mask_fixupimm_ss): Ditto.
8049         * config/i386/avx512vlintrin.h:
8050         (_mm256_fixupimm_pd): Update parameters and builtin.
8051         (_mm256_maskz_fixupimm_pd): Ditto.
8052         (_mm256_fixupimm_ps): Ditto.
8053         (_mm256_maskz_fixupimm_ps): Ditto.
8054         (_mm_fixupimm_pd): Ditto.
8055         (_mm_maskz_fixupimm_pd): Ditto.
8056         (_mm_fixupimm_ps): Ditto.
8057         (_mm_maskz_fixupimm_ps): Ditto.
8058         (_mm256_mask_fixupimm_pd): Update builtin.
8059         (_mm256_mask_fixupimm_ps): Ditto.
8060         (_mm_mask_fixupimm_pd): Ditto.
8061         (_mm_mask_fixupimm_ps): Ditto.
8062         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8063         * config/i386/i386-builtin.def: Update builtin definitions.
8064         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8065         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8066         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8067         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8068         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8069         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8070         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8071         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8072         * config/i386/subst.md:
8073         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8074         (round_saeonly_sd_mask_op4): Ditto.
8075         (round_saeonly_expand_operand5): Ditto.
8076         (round_saeonly_expand): Update.
8077
8078 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8079
8080         PR target/88794
8081         Revert:
8082         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8083
8084         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8085         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8086         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8087         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8088         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8089         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8090         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8091
8092 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8093
8094         PR target/88794
8095         Revert:
8096         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8097
8098         PR target/88489
8099         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8100         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8101         instead of UNSPEC_FIXUPIMM.
8102
8103 2019-01-17  Richard Biener  <rguenther@suse.de>
8104
8105         PR lto/86736
8106         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8107         and friends for the LTO part of debug info.
8108
8109 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8110
8111         PR tree-optimization/86214
8112         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8113         if x == y.
8114
8115         PR rtl-optimization/88870
8116         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8117         throw if we can't alter the cfg or delete dead exceptions.
8118         (mark_insn): Don't call find_call_stack_args for such calls.
8119
8120 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8121
8122         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8123         prototypes for vec_st.
8124         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8125         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8126         mainly on signed/unsigned long long and double.
8127
8128 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8129
8130         PR target/88861
8131         * combine.c (delete_noop_moves): Convert to "bool" return,
8132         returning true if any edges are eliminated.
8133         (combine_instructions): Also return true if delete_noop_moves
8134         returns true.
8135
8136 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8137
8138         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8139         correct max nunits for endian swap.
8140         (aarch64_expand_fcmla_builtin): Correct subreg code.
8141         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8142         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8143         lane endianness.
8144
8145 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8146
8147         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8148         Handle split indirect COMPLEX_TYPE arguments.
8149
8150 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8151
8152         PR target/86891
8153         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8154         bit is set by add and compare.
8155         (CC_ADC): New CC_MODE.
8156         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8157         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8158         comparison.  Add detection for CC_ADCmode.
8159         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8160         CC_ADCmode.
8161         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8162         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8163         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8164         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8165         to eliminate the need for zero-extending the operands.
8166         (add<mode>3_compareC_imm): Delete.  Merge into ...
8167         (add<mode>3_compareC): ... this.  Restructure the comparison to
8168         eliminate the need for zero-extending the operands.
8169         (add<mode>3_carryin): Use LTU for the overflow detection.
8170         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8171         Reexpress comparison for overflow.
8172         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8173         (add<mode>3_carryinC): Likewise.
8174         (add<mode>3_carryinV): Use LTU for carry between partials.
8175         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8176         handling of CC_Cmode and add CC_ADCmode.
8177         (aarch64_borrow_operation): Likewise.
8178
8179 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8180
8181         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8182         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8183         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8184         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8185
8186 2019-01-16  Martin Liska  <mliska@suse.cz>
8187
8188         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8189         for GCC driver.
8190         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8191         a new argument.
8192         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8193         (path_prefix_reset): Move up in the source file.
8194         (find_fortran_preinclude_file): Make complex search for the
8195         fortran header files.
8196
8197 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8198
8199         * godump.c (go_output_typedef): When outputting a typedef, refer
8200         to the underlying type by its name and not its structure.
8201
8202 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8203
8204         PR c++/88795
8205         * tree.c (build_function_type): Assert that arg_types is not
8206         error_mark_node.
8207
8208 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8209
8210         PR inline-asm/52813
8211         * doc/extend.texi: Document that listing the stack pointer in the
8212         clobber list of an asm is a deprecated feature.
8213         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8214         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8215         warning instead of an error for clobbers of the stack pointer.
8216         Add a note explaining why.
8217
8218 2019-01-15  Richard Biener  <rguenther@suse.de>
8219
8220         PR debug/88046
8221         * dwarf2out.c (gen_member_die): Do not generate inheritance
8222         DIEs late.
8223
8224 2019-01-15  Richard Biener  <rguenther@suse.de>
8225
8226         PR tree-optimization/88855
8227         * tree-if-conv.c (combine_blocks): Collect
8228         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8229
8230 2019-01-15  Tom de Vries  <tdevries@suse.de>
8231
8232         PR target/80547
8233         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8234         lhs == NULL_TREE for gang-level reduction.
8235
8236 2019-01-15  Richard Biener  <rguenther@suse.de>
8237             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8238
8239         PR ipa/88788
8240         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8241         return true if SSA_NAME is already marked in visited bitmap.
8242         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8243
8244 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8245
8246         PR tree-optimization/88775
8247         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8248         equal == 0 equality pointer comparisons some more if compared in
8249         integral types and either one points to an automatic var and the
8250         other to a global, or we can prove at least one points to the middle
8251         or both point to start or both point to end.
8252
8253 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8254
8255         * Makefile.in: Lower autofdo sampling rate by 10x.
8256         * Makefile.tpl: Dito.
8257
8258 2019-01-14  Tom Honermann  <tom@honermann.net>
8259
8260         * defaults.h: Define CHAR8_TYPE.
8261
8262 2019-01-14  Martin Sebor  <msebor@redhat.com>
8263
8264         PR target/88638
8265         * doc/extend.texi (Darwin Format Checks): Clarify.
8266
8267 2019-01-14  Richard Biener  <rguenther@suse.de>
8268
8269         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8270         whether we are in (simplify ...) or (match ...) context.
8271
8272 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8273
8274         PR rtl-optimization/88796
8275         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8276         * cfgexpand.c (stack_protect_prologue): Initialize
8277         crtl->stack_protect_guard_decl.
8278         * function.c (stack_protect_epilogue): Use it instead of calling
8279         targetm.stack_protect_guard again.
8280         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8281         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8282         crtl->stack_protect_guard_decl.
8283         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8284         on the returned MEM_EXPR.
8285
8286 2019-01-12  Tom de Vries  <tdevries@suse.de>
8287
8288         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8289         vector length using -fopenacc-dim.
8290
8291 2019-01-12  Tom de Vries  <tdevries@suse.de>
8292
8293         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8294         lengths into account.
8295
8296 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8297
8298         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8299         (TARGET_CAN_SPLIT_STACK): Define.
8300         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8301
8302 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8303
8304         * params.def (inline-unit-growth): Set to 40.
8305
8306 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8307
8308         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8309
8310 2019-01-12  Tom de Vries  <tdevries@suse.de>
8311
8312         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8313         region calling vector-partitionable routine, set default_vector_length
8314         to WARP_SIZE.
8315
8316 2019-01-12  Tom de Vries  <tdevries@suse.de>
8317
8318         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8319         variable default_vector_length.
8320
8321 2019-01-12  Tom de Vries  <tdevries@suse.de>
8322
8323         PR middle-end/88703
8324         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8325         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8326         dimensions limits.
8327
8328 2019-01-12  Tom de Vries  <tdevries@suse.de>
8329
8330         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8331         (nvptx_goacc_validate_dims): Add used parameter.
8332         * doc/tm.texi: Regenerate.
8333         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8334         argument to call to targetm.goacc.validate_dims.
8335         (default_goacc_validate_dims): Add used
8336         parameter.
8337         * target.def (validate_dims): Add used parameter in DEFHOOK.
8338         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8339
8340 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8341
8342         PR middle-end/85956
8343         PR lto/88733
8344         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8345         field.
8346         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8347         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8348         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8349         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8350
8351 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8352
8353         PR rtl-optimization/87305
8354         * lra-assigns.c
8355         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8356         for little endian pseudos used as paradoxical subreg.
8357
8358 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8359
8360         PR tree-optimization/88693
8361         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8362         for STRING_CSTs that don't contain any NUL characters in the first
8363         TREE_STRING_LENGTH bytes.
8364
8365 2019-01-11  Alan Modra  <amodra@gmail.com>
8366
8367         PR 88777
8368         PR 88614
8369         * genattrtab.c (min_fn): Don't translate values.
8370         (min_attr_value): Return INT_MAX when the value can't be calculated.
8371         Return minimum among any values that can be calculated.
8372         (max_attr_value): Adjust.
8373
8374 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8375
8376         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8377
8378 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8379
8380         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8381         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8382         (aarch64_return_call_with_max_clobbers): New function.
8383         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8384         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8385         argument.
8386         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8387         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8388         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8389         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8390         * cselib.c (cselib_process_insn): Add argument to
8391         targetm.hard_regno_call_part_clobbered call.
8392         * ira-conflicts.c (ira_build_conflicts): Ditto.
8393         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8394         * lra-constraints.c (inherit_reload_reg): Ditto.
8395         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8396         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8397         argument.  Call targetm.return_call_with_max_clobbers.
8398         Add argument to targetm.hard_regno_call_part_clobbered call.
8399         (calls_have_same_clobbers_p): New function.
8400         (process_bb_lives): Add call_insn and last_call_insn variables.
8401         Pass call_insn to check_pseudos_live_through_calls.
8402         Modify if stmt to check targetm.return_call_with_max_clobbers.
8403         Update setting of flush variable.
8404         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8405         to false.
8406         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8407         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8408         targetm.hard_regno_call_part_clobbered call.
8409         * reginfo.c (choose_hard_reg_mode): Ditto.
8410         * regrename.c (check_new_reg_p): Ditto.
8411         * reload.c (find_equiv_reg): Ditto.
8412         * reload1.c (emit_reload_insns): Ditto.
8413         * sched-deps.c (deps_analyze_insn): Ditto.
8414         * sel-sched.c (init_regs_for_mode): Ditto.
8415         (mark_unavailable_hard_regs): Ditto.
8416         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8417         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8418         (return_call_with_max_clobbers): New target function.
8419         * doc/tm.texi: Regenerate.
8420         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8421         * hooks.c (hook_bool_uint_mode_false): Change to
8422         hook_bool_insn_uint_mode_false.
8423         * hooks.h (hook_bool_uint_mode_false): Ditto.
8424
8425 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8426
8427         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8428         (aarch64_remove_extra_call_preserved_regs): New function.
8429         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8430         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8431         * doc/tm.texi: Regenerate.
8432         * final.c (get_call_reg_set_usage): Call new hook.
8433         * target.def (remove_extra_call_preserved_regs): New hook.
8434         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8435         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8436
8437 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8438
8439         PR bootstrap/88714
8440         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8441         inside of pass_combine_1 dump rather than pass_profile_1.
8442
8443 2019-01-11  Tom de Vries  <tdevries@suse.de>
8444
8445         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8446         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8447         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8448         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8449         num_workers 16.
8450
8451 2019-01-11  Tom de Vries  <tdevries@suse.de>
8452
8453         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8454
8455 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8456
8457         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8458         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8459         sse2_cvtsi2sd): Add {l}.
8460         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8461         syntax.
8462
8463 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8464
8465         PR target/88785
8466         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8467         define_expand.
8468         (*float<floatunssuffix>v2div2sf2): New define_insn.
8469         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8470         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8471         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8472         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8473         match_operands with "const0_operand" "C".
8474
8475 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8476
8477         * config/aarch64/aarch64-builtins.c
8478         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8479         (aarch64_init_simd_builtins): ...Here
8480
8481 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8482
8483         PR rtl-optimization/87305
8484         * lra-assigns.c
8485         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8486         allocation for big endian pseudos used as paradoxical subregs and
8487         spill them if it is wrong.
8488         * lra-constraints.c (lra_constraints): Add a comment.
8489
8490 2019-01-10  Richard Biener  <rguenther@suse.de>
8491
8492         PR tree-optimization/88792
8493         * tree-ssa-pre.c (get_representative_for): Do not return a
8494         value-number here.
8495
8496 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8497
8498         PR middle-end/84877
8499         PR bootstrap/88450
8500         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8501         (assign_parm_setup_block): Do the argument slot realignment here
8502         instead.
8503
8504 2019-01-10  Stefan Agner  <stefan@agner.ch>
8505
8506         PR target/88648
8507         * config/arm/arm.c (arm_option_override_internal): Force
8508         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8509
8510 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8511
8512         PR c/88568
8513         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8514         DECL_EXTERNAL.
8515
8516 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8517
8518         * config/arm/arm-builtins.c
8519         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8520         (MAC_LANE_PAIR_QUALIFIERS): New.
8521         (arm_expand_builtin_args): Use it.
8522         (arm_expand_builtin_1): Likewise.
8523         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8524         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8525         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8526         * config/arm/arm_neon.h:
8527         (vcadd_rot90_f16): New.
8528         (vcaddq_rot90_f16): New.
8529         (vcadd_rot270_f16): New.
8530         (vcaddq_rot270_f16): New.
8531         (vcmla_f16): New.
8532         (vcmlaq_f16): New.
8533         (vcmla_lane_f16): New.
8534         (vcmla_laneq_f16): New.
8535         (vcmlaq_lane_f16): New.
8536         (vcmlaq_laneq_f16): New.
8537         (vcmla_rot90_f16): New.
8538         (vcmlaq_rot90_f16): New.
8539         (vcmla_rot90_lane_f16): New.
8540         (vcmla_rot90_laneq_f16): New.
8541         (vcmlaq_rot90_lane_f16): New.
8542         (vcmlaq_rot90_laneq_f16): New.
8543         (vcmla_rot180_f16): New.
8544         (vcmlaq_rot180_f16): New.
8545         (vcmla_rot180_lane_f16): New.
8546         (vcmla_rot180_laneq_f16): New.
8547         (vcmlaq_rot180_lane_f16): New.
8548         (vcmlaq_rot180_laneq_f16): New.
8549         (vcmla_rot270_f16): New.
8550         (vcmlaq_rot270_f16): New.
8551         (vcmla_rot270_lane_f16): New.
8552         (vcmla_rot270_laneq_f16): New.
8553         (vcmlaq_rot270_lane_f16): New.
8554         (vcmlaq_rot270_laneq_f16): New.
8555         (vcadd_rot90_f32): New.
8556         (vcaddq_rot90_f32): New.
8557         (vcadd_rot270_f32): New.
8558         (vcaddq_rot270_f32): New.
8559         (vcmla_f32): New.
8560         (vcmlaq_f32): New.
8561         (vcmla_lane_f32): New.
8562         (vcmla_laneq_f32): New.
8563         (vcmlaq_lane_f32): New.
8564         (vcmlaq_laneq_f32): New.
8565         (vcmla_rot90_f32): New.
8566         (vcmlaq_rot90_f32): New.
8567         (vcmla_rot90_lane_f32): New.
8568         (vcmla_rot90_laneq_f32): New.
8569         (vcmlaq_rot90_lane_f32): New.
8570         (vcmlaq_rot90_laneq_f32): New.
8571         (vcmla_rot180_f32): New.
8572         (vcmlaq_rot180_f32): New.
8573         (vcmla_rot180_lane_f32): New.
8574         (vcmla_rot180_laneq_f32): New.
8575         (vcmlaq_rot180_lane_f32): New.
8576         (vcmlaq_rot180_laneq_f32): New.
8577         (vcmla_rot270_f32): New.
8578         (vcmlaq_rot270_f32): New.
8579         (vcmla_rot270_lane_f32): New.
8580         (vcmla_rot270_laneq_f32): New.
8581         (vcmlaq_rot270_lane_f32): New.
8582         (vcmlaq_rot270_laneq_f32): New.
8583         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8584         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8585         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8586         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8587         vcmlaq_lane270): New.
8588         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8589         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8590         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8591         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8592         (arm_option_reconfigure_globals): Use them.
8593         * config/arm/iterators.md (VDF, VQ_HSF): New.
8594         (VCADD, VCMLA): New.
8595         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8596         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8597         New.
8598         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8599         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8600
8601 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8602
8603         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8604         Add qualifier_lane_pair_index.
8605         (emit-rtl.h): Include.
8606         (TYPES_QUADOP_LANE_PAIR): New.
8607         (aarch64_simd_expand_args): Use it.
8608         (aarch64_simd_expand_builtin): Likewise.
8609         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8610         New.
8611         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8612         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8613         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8614         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8615         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8616         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8617         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8618         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8619         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8620         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8621         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8622         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8623         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8624         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8625         Add __ARM_FEATURE_COMPLEX.
8626         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8627         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8628         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8629         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8630         fcmlaq_lane270): New.
8631         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8632         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8633         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8634         * config/aarch64/arm_neon.h:
8635         (vcadd_rot90_f16): New.
8636         (vcaddq_rot90_f16): New.
8637         (vcadd_rot270_f16): New.
8638         (vcaddq_rot270_f16): New.
8639         (vcmla_f16): New.
8640         (vcmlaq_f16): New.
8641         (vcmla_lane_f16): New.
8642         (vcmla_laneq_f16): New.
8643         (vcmlaq_lane_f16): New.
8644         (vcmlaq_rot90_lane_f16): New.
8645         (vcmla_rot90_laneq_f16): New.
8646         (vcmla_rot90_lane_f16): New.
8647         (vcmlaq_rot90_f16): New.
8648         (vcmla_rot90_f16): New.
8649         (vcmlaq_laneq_f16): New.
8650         (vcmla_rot180_laneq_f16): New.
8651         (vcmla_rot180_lane_f16): New.
8652         (vcmlaq_rot180_f16): New.
8653         (vcmla_rot180_f16): New.
8654         (vcmlaq_rot90_laneq_f16): New.
8655         (vcmlaq_rot270_laneq_f16): New.
8656         (vcmlaq_rot270_lane_f16): New.
8657         (vcmla_rot270_laneq_f16): New.
8658         (vcmlaq_rot270_f16): New.
8659         (vcmla_rot270_f16): New.
8660         (vcmlaq_rot180_laneq_f16): New.
8661         (vcmlaq_rot180_lane_f16): New.
8662         (vcmla_rot270_lane_f16): New.
8663         (vcadd_rot90_f32): New.
8664         (vcaddq_rot90_f32): New.
8665         (vcaddq_rot90_f64): New.
8666         (vcadd_rot270_f32): New.
8667         (vcaddq_rot270_f32): New.
8668         (vcaddq_rot270_f64): New.
8669         (vcmla_f32): New.
8670         (vcmlaq_f32): New.
8671         (vcmlaq_f64): New.
8672         (vcmla_lane_f32): New.
8673         (vcmla_laneq_f32): New.
8674         (vcmlaq_lane_f32): New.
8675         (vcmlaq_laneq_f32): New.
8676         (vcmla_rot90_f32): New.
8677         (vcmlaq_rot90_f32): New.
8678         (vcmlaq_rot90_f64): New.
8679         (vcmla_rot90_lane_f32): New.
8680         (vcmla_rot90_laneq_f32): New.
8681         (vcmlaq_rot90_lane_f32): New.
8682         (vcmlaq_rot90_laneq_f32): New.
8683         (vcmla_rot180_f32): New.
8684         (vcmlaq_rot180_f32): New.
8685         (vcmlaq_rot180_f64): New.
8686         (vcmla_rot180_lane_f32): New.
8687         (vcmla_rot180_laneq_f32): New.
8688         (vcmlaq_rot180_lane_f32): New.
8689         (vcmlaq_rot180_laneq_f32): New.
8690         (vcmla_rot270_f32): New.
8691         (vcmlaq_rot270_f32): New.
8692         (vcmlaq_rot270_f64): New.
8693         (vcmla_rot270_lane_f32): New.
8694         (vcmla_rot270_laneq_f32): New.
8695         (vcmlaq_rot270_lane_f32): New.
8696         (vcmlaq_rot270_laneq_f32): New.
8697         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8698         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8699         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8700         (FCADD, FCMLA): New.
8701         (rot): New.
8702         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8703
8704 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8705
8706         PR other/16615
8707
8708         * config/pa/pa.c: Change "can not" to "cannot".
8709         * gimple-ssa-evrp-analyze.c: Likewise.
8710         * ipa-icf.c: Likewise.
8711         * ipa-polymorphic-call.c: Likewise.
8712         * ipa-pure-const.c: Likewise.
8713         * lra-constraints.c: Likewise.
8714         * lra-remat.c: Likewise.
8715         * reload1.c: Likewise.
8716         * reorg.c: Likewise.
8717         * tree-ssa-uninit.c: Likewise.
8718
8719 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8720
8721         PR other/16615
8722
8723         * Makefile.in: Mechanically replace "can not" with "cannot".
8724         * alias.c: Likewise.
8725         * builtins.c: Likewise.
8726         * calls.c: Likewise.
8727         * cgraph.c: Likewise.
8728         * cgraph.h: Likewise.
8729         * cgraphclones.c: Likewise.
8730         * cgraphunit.c: Likewise.
8731         * combine-stack-adj.c: Likewise.
8732         * combine.c: Likewise.
8733         * common/config/i386/i386-common.c: Likewise.
8734         * config/aarch64/aarch64.c: Likewise.
8735         * config/alpha/sync.md: Likewise.
8736         * config/arc/arc.c: Likewise.
8737         * config/arc/predicates.md: Likewise.
8738         * config/arm/arm-c.c: Likewise.
8739         * config/arm/arm.c: Likewise.
8740         * config/arm/arm.h: Likewise.
8741         * config/arm/arm.md: Likewise.
8742         * config/arm/cortex-r4f.md: Likewise.
8743         * config/csky/csky.c: Likewise.
8744         * config/csky/csky.h: Likewise.
8745         * config/darwin-f.c: Likewise.
8746         * config/epiphany/epiphany.md: Likewise.
8747         * config/i386/i386.c: Likewise.
8748         * config/i386/sol2.h: Likewise.
8749         * config/m68k/m68k.c: Likewise.
8750         * config/mcore/mcore.h: Likewise.
8751         * config/microblaze/microblaze.md: Likewise.
8752         * config/mips/20kc.md: Likewise.
8753         * config/mips/sb1.md: Likewise.
8754         * config/nds32/nds32.c: Likewise.
8755         * config/nds32/predicates.md: Likewise.
8756         * config/pa/pa.c: Likewise.
8757         * config/rs6000/e300c2c3.md: Likewise.
8758         * config/rs6000/rs6000.c: Likewise.
8759         * config/s390/s390.h: Likewise.
8760         * config/sh/sh.c: Likewise.
8761         * config/sh/sh.md: Likewise.
8762         * config/spu/vmx2spu.h: Likewise.
8763         * cprop.c: Likewise.
8764         * dbxout.c: Likewise.
8765         * df-scan.c: Likewise.
8766         * doc/cfg.texi: Likewise.
8767         * doc/extend.texi: Likewise.
8768         * doc/fragments.texi: Likewise.
8769         * doc/gty.texi: Likewise.
8770         * doc/invoke.texi: Likewise.
8771         * doc/lto.texi: Likewise.
8772         * doc/md.texi: Likewise.
8773         * doc/objc.texi: Likewise.
8774         * doc/rtl.texi: Likewise.
8775         * doc/tm.texi: Likewise.
8776         * dse.c: Likewise.
8777         * emit-rtl.c: Likewise.
8778         * emit-rtl.h: Likewise.
8779         * except.c: Likewise.
8780         * expmed.c: Likewise.
8781         * expr.c: Likewise.
8782         * fold-const.c: Likewise.
8783         * genautomata.c: Likewise.
8784         * gimple-fold.c: Likewise.
8785         * hard-reg-set.h: Likewise.
8786         * ifcvt.c: Likewise.
8787         * ipa-comdats.c: Likewise.
8788         * ipa-cp.c: Likewise.
8789         * ipa-devirt.c: Likewise.
8790         * ipa-fnsummary.c: Likewise.
8791         * ipa-icf.c: Likewise.
8792         * ipa-inline-transform.c: Likewise.
8793         * ipa-inline.c: Likewise.
8794         * ipa-polymorphic-call.c: Likewise.
8795         * ipa-profile.c: Likewise.
8796         * ipa-prop.c: Likewise.
8797         * ipa-pure-const.c: Likewise.
8798         * ipa-reference.c: Likewise.
8799         * ipa-split.c: Likewise.
8800         * ipa-visibility.c: Likewise.
8801         * ipa.c: Likewise.
8802         * ira-build.c: Likewise.
8803         * ira-color.c: Likewise.
8804         * ira-conflicts.c: Likewise.
8805         * ira-costs.c: Likewise.
8806         * ira-int.h: Likewise.
8807         * ira-lives.c: Likewise.
8808         * ira.c: Likewise.
8809         * ira.h: Likewise.
8810         * loop-invariant.c: Likewise.
8811         * loop-unroll.c: Likewise.
8812         * lower-subreg.c: Likewise.
8813         * lra-assigns.c: Likewise.
8814         * lra-constraints.c: Likewise.
8815         * lra-eliminations.c: Likewise.
8816         * lra-lives.c: Likewise.
8817         * lra-remat.c: Likewise.
8818         * lra-spills.c: Likewise.
8819         * lra.c: Likewise.
8820         * lto-cgraph.c: Likewise.
8821         * lto-streamer-out.c: Likewise.
8822         * postreload-gcse.c: Likewise.
8823         * predict.c: Likewise.
8824         * profile-count.h: Likewise.
8825         * profile.c: Likewise.
8826         * recog.c: Likewise.
8827         * ree.c: Likewise.
8828         * reload.c: Likewise.
8829         * reload1.c: Likewise.
8830         * reorg.c: Likewise.
8831         * resource.c: Likewise.
8832         * rtl.def: Likewise.
8833         * rtl.h: Likewise.
8834         * rtlanal.c: Likewise.
8835         * sched-deps.c: Likewise.
8836         * sched-ebb.c: Likewise.
8837         * sched-rgn.c: Likewise.
8838         * sel-sched-ir.c: Likewise.
8839         * sel-sched.c: Likewise.
8840         * shrink-wrap.c: Likewise.
8841         * simplify-rtx.c: Likewise.
8842         * symtab.c: Likewise.
8843         * target.def: Likewise.
8844         * toplev.c: Likewise.
8845         * tree-call-cdce.c: Likewise.
8846         * tree-cfg.c: Likewise.
8847         * tree-complex.c: Likewise.
8848         * tree-core.h: Likewise.
8849         * tree-eh.c: Likewise.
8850         * tree-inline.c: Likewise.
8851         * tree-loop-distribution.c: Likewise.
8852         * tree-nrv.c: Likewise.
8853         * tree-profile.c: Likewise.
8854         * tree-sra.c: Likewise.
8855         * tree-ssa-alias.c: Likewise.
8856         * tree-ssa-dce.c: Likewise.
8857         * tree-ssa-dom.c: Likewise.
8858         * tree-ssa-forwprop.c: Likewise.
8859         * tree-ssa-loop-im.c: Likewise.
8860         * tree-ssa-loop-ivcanon.c: Likewise.
8861         * tree-ssa-loop-ivopts.c: Likewise.
8862         * tree-ssa-loop-niter.c: Likewise.
8863         * tree-ssa-phionlycprop.c: Likewise.
8864         * tree-ssa-phiopt.c: Likewise.
8865         * tree-ssa-propagate.c: Likewise.
8866         * tree-ssa-threadedge.c: Likewise.
8867         * tree-ssa-threadupdate.c: Likewise.
8868         * tree-ssa-uninit.c: Likewise.
8869         * tree-ssanames.c: Likewise.
8870         * tree-streamer-out.c: Likewise.
8871         * tree.c: Likewise.
8872         * tree.h: Likewise.
8873         * vr-values.c: Likewise.
8874
8875 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8876
8877         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8878         (ix86_split_xorsign): Ditto.
8879         * config/i386/i386.c (ix86_expand_xorsign): New function.
8880         (ix86_split_xorsign): Ditto.
8881         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8882         (xorsign<mode>3): New expander.
8883         (xorsign<mode>3_1): New insn_and_split pattern.
8884         * config/i386/sse.md (xorsign<mode>3): New expander.
8885
8886 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8887
8888         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8889         (*tablejump_sp64): Likewise.
8890         (*tablejump<P:mode>): ...this.
8891         (*call_address_sp32): Merge into...
8892         (*call_address_sp64): Likewise.
8893         (*call_address<P:mode>): ...this.
8894         (*call_symbolic_sp32): Merge into...
8895         (*call_symbolic_sp64): Likewise.
8896         (*call_symbolic<P:mode>): ...this.
8897         (call_value): Remove constraint and add predicate.
8898         (*call_value_address_sp32): Merge into...
8899         (*call_value_address_sp64): Likewise.
8900         (*call_value_address<P:mode>): ...this.
8901         (*call_value_symbolic_sp32): Merge into...
8902         (*call_value_symbolic_sp64): Likewise.
8903         (*call_value_symbolic<P:mode>): ...this.
8904         (*sibcall_symbolic_sp32): Merge into...
8905         (*sibcall_symbolic_sp64): Likewise.
8906         (*sibcall_symbolic<P:mode>): ...this.
8907         (sibcall_value): Remove constraint and add predicate.
8908         (*sibcall_value_symbolic_sp32): Merge into...
8909         (*sibcall_value_symbolic_sp64): Likewise.
8910         (*sibcall_value_symbolic<P:mode>): ...this.
8911         (window_save): Minor tweak.
8912         (*branch_sp32): Merge into...
8913         (*branch_sp64): Likewise.
8914         (*branch<P:mode>): ...this.
8915
8916 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8917             James Clarke  <jrtc27@jrtc27.com>
8918
8919         PR target/84010
8920         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8921         consistently in TLS address generation and adjust code to the renaming
8922         of patterns.  Mark calls to __tls_get_addr as const.
8923         * config/sparc/sparc.md (tgd_hi22): Turn into...
8924         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8925         (tgd_lo10): Turn into...
8926         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8927         (tgd_add32): Merge into...
8928         (tgd_add64): Likewise.
8929         (tgd_add<P:mode>): ...this and use Pmode throughout.
8930         (tldm_hi22): Turn into...
8931         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8932         (tldm_lo10): Turn into...
8933         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8934         (tldm_add32): Merge into...
8935         (tldm_add64): Likewise.
8936         (tldm_add<P:mode>): ...this and use Pmode throughout.
8937         (tldm_call32): Merge into...
8938         (tldm_call64): Likewise.
8939         (tldm_call<P:mode>): ...this and use Pmode throughout.
8940         (tldo_hix22): Turn into...
8941         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8942         (tldo_lox10): Turn into...
8943         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8944         (tldo_add32): Merge into...
8945         (tldo_add64): Likewise.
8946         (tldo_add<P:mode>): ...this and use Pmode throughout.
8947         (tie_hi22): Turn into...
8948         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8949         (tie_lo10): Turn into...
8950         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8951         (tie_ld64): Use DImode throughout.
8952         (tie_add32): Merge into...
8953         (tie_add64): Likewise.
8954         (tie_add<P:mode>): ...this and use Pmode throughout.
8955         (tle_hix22_sp32): Merge into...
8956         (tle_hix22_sp64): Likewise.
8957         (tle_hix22<P:mode>): ...this and use Pmode throughout.
8958         (tle_lox22_sp32): Merge into...
8959         (tle_lox22_sp64): Likewise.
8960         (tle_lox22<P:mode>): ...this and use Pmode throughout.
8961         (*tldo_ldub_sp32): Merge into...
8962         (*tldo_ldub_sp64): Likewise.
8963         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
8964         (*tldo_ldub1_sp32): Merge into...
8965         (*tldo_ldub1_sp64): Likewise.
8966         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
8967         (*tldo_ldub2_sp32): Merge into...
8968         (*tldo_ldub2_sp64): Likewise.
8969         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
8970         (*tldo_ldsb1_sp32): Merge into...
8971         (*tldo_ldsb1_sp64): Likewise.
8972         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
8973         (*tldo_ldsb2_sp32): Merge into...
8974         (*tldo_ldsb2_sp64): Likewise.
8975         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
8976         (*tldo_ldub3_sp64): Use DImode throughout.
8977         (*tldo_ldsb3_sp64): Likewise.
8978         (*tldo_lduh_sp32): Merge into...
8979         (*tldo_lduh_sp64): Likewise.
8980         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
8981         (*tldo_lduh1_sp32): Merge into...
8982         (*tldo_lduh1_sp64): Likewise.
8983         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
8984         (*tldo_ldsh1_sp32): Merge into...
8985         (*tldo_ldsh1_sp64): Likewise.
8986         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
8987         (*tldo_lduh2_sp64): Use DImode throughout.
8988         (*tldo_ldsh2_sp64): Likewise.
8989         (*tldo_lduw_sp32): Merge into...
8990         (*tldo_lduw_sp64): Likewise.
8991         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
8992         (*tldo_lduw1_sp64): Use DImode throughout.
8993         (*tldo_ldsw1_sp64): Likewise.
8994         (*tldo_ldx_sp64): Likewise.
8995         (*tldo_stb_sp32): Merge into...
8996         (*tldo_stb_sp64): Likewise.
8997         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
8998         (*tldo_sth_sp32): Merge into...
8999         (*tldo_sth_sp64): Likewise.
9000         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9001         (*tldo_stw_sp32): Merge into...
9002         (*tldo_stw_sp64): Likewise.
9003         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9004         (*tldo_stx_sp64): Use DImode throughout.
9005
9006 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9007
9008         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9009         check configure option to set BTI and Return Address Signing.
9010         * configure.ac: Add --enable-standard-branch-protection and
9011         --disable-standard-branch-protection.
9012         * configure: Regenerated.
9013         * doc/install.texi: Document the same.
9014
9015 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9016             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9017
9018         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9019         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9020         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9021         if bti is enabled.
9022         * config/aarch64/aarch64-bti-insert.c: New file.
9023         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9024         pass.
9025         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9026         new bti pass.
9027         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9028         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9029         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9030         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9031
9032 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9033
9034         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9035         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9036         Disable bti for -mbranch-protection=none.
9037         (aarch64_handle_standard_branch_protection): Enable bti for
9038         -mbranch-protection=standard.
9039         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9040         -mbranch-protection.
9041         (aarch64_bti_enabled): Check if bti is enabled.
9042         * config/aarch64/aarch64.opt: Declare target variable.
9043         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9044
9045 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9046
9047         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9048         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9049         (aarch64_expand_epilogue): Likewise.
9050         (aarch64_output_mi_thunk): Likewise
9051         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9052         TAILCALL_ADDR_REGS to x16 and x17.
9053         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9054
9055 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9056
9057         * config/aarch64/aarch64-option-extensions.def: Define
9058         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9059         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9060         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9061         (AARCH64_FL_PREDRES): New.
9062         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9063         AARCH64_FL_PREDRES by default.
9064         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9065
9066 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9067
9068         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9069         ARMv8.5-A.
9070         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9071         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9072         * doc/invoke.texi: Document ARMv8.5-A.
9073
9074 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9075
9076         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9077         (xorsign<mode>3): Likewise.
9078
9079 2019-01-09  Jelinek  <jakub@redhat.com>
9080
9081         PR middle-end/88758
9082         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9083         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9084
9085         PR rtl-optimization/88331
9086         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9087         not currently_expanding_to_rtl.
9088
9089 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9090
9091         * doc/invoke.texi (-Os): Remove trailing spaces.
9092         (-finline-functions): Remove reference to -O2.
9093
9094 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9095
9096         PR rtl-optimization/79593
9097         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9098
9099         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9100         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9101
9102 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9103
9104         PR bootstrap/88721
9105         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9106         to -1 on entry.
9107
9108         PR debug/88723
9109         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9110         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9111
9112 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9113
9114         PR target/88717
9115         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9116         ix86_avx_u128_mode_entry.
9117
9118 2019-01-08  Martin Liska  <mliska@suse.cz>
9119
9120         PR tree-optimization/88753
9121         * tree-switch-conversion.c (switch_conversion::build_one_array):
9122         Come up with local variable constructor.  Convert first to
9123         type of constructor values.
9124
9125 2019-01-08  Richard Biener  <rguenther@suse.de>
9126
9127         PR tree-optimization/86554
9128         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9129         rpo_avail): Move earlier.
9130         (visit_nary_op): When value-numbering to expressions
9131         with different overflow behavior make sure there's an
9132         available expression on the path.
9133
9134 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9135
9136         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9137         aarch64_parse_branch_protection,
9138         struct aarch64_branch_protect_type,
9139         aarch64_handle_no_branch_protection,
9140         aarch64_handle_standard_branch_protection,
9141         aarch64_validate_mbranch_protection,
9142         aarch64_handle_pac_ret_protection,
9143         aarch64_handle_attr_branch_protection,
9144         accepted_branch_protection_string,
9145         aarch64_pac_ret_subtypes,
9146         aarch64_branch_protect_types,
9147         aarch64_handle_pac_ret_leaf): Define.
9148         (aarch64_override_options_after_change_1, aarch64_override_options):
9149         Add check for accepted_branch_protection_string.
9150         (aarch64_option_save): Save accepted_branch_protection_string.
9151         (aarch64_option_restore): Save accepted_branch_protection_string.
9152         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9153         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9154         msign-return-address.
9155         * doc/invoke.texi: Add mbranch-protection.
9156
9157 2019-01-08  Alan Modra  <amodra@gmail.com>
9158
9159         PR target/88614
9160         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9161         Delete "unknownp" parameter.  Adjust callers.  Handle
9162         CONST_INT, PLUS, MINUS, and MULT.
9163         (attr_value_aligned): Renamed from or_attr_value.
9164         (min_attr_value): Return INT_MIN for unhandled rtl case..
9165         (min_fn): ..and translate to INT_MAX here.
9166         (write_length_unit_log): Modify to cope without "unknown".
9167         (write_attr_value): Handle IF_THEN_ELSE.
9168
9169 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9170
9171         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9172         optimization for masked stores.
9173
9174 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9175
9176         PR middle-end/88567
9177         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9178         output vector directly to duplicate_and_interleave instead of
9179         going through a temporary.  Postpone insertion of ctor_seq to
9180         the end of the loop.
9181
9182 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9183
9184         PR target/86891
9185         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9186         unsigned_p.  Handle signed and unsigned overflow correction as
9187         required.
9188         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9189         prototype.
9190         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9191         for operand 2.
9192         (add<mode>3_compareV_imm): Make this callable for expanding.
9193         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9194         aarch64_plus_operand for operand 2.
9195         (subv<GPI:mode>_insn): New insn pattern.
9196         (subv<GPI:mode>_imm): Likewise.
9197         (negv<GPI:mode>3): New expand pattern.
9198         (negv<GPI:mode>_insn): New insn pattern.
9199         (negv<GPI:mode>_cmp_only): Likewise.
9200         (cmpv<GPI:mode>_insn): Likewise.
9201         (subvti4): Use register_operand for operand 1.  Update call to
9202         aarch64_expand_subvti.
9203         (usubvti4): Likewise.
9204         (negvti3): New expand pattern.
9205         (negdi_carryout): New insn pattern.
9206         (negvdi_carryinV): New insn pattern.
9207         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9208         version the named version.
9209         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9210         operands.
9211         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9212         patterns.
9213         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9214         patterns.
9215         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9216         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9217         (sub<mode>3_carryinCV): Delete.
9218         (sub<GPI:mode>3_carryinV): New expand pattern.
9219         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9220
9221 2019-01-07  Richard Biener  <rguenther@suse.de>
9222
9223         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9224         of tree_operand_hash.
9225
9226 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9227
9228         PR tree-optimization/88598
9229         * tree.h (single_nonzero_element): Declare.
9230         * tree.c (single_nonzero_element): New function.
9231         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9232         if I is the only nonzero element of CST.
9233
9234 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9235
9236         PR tree-optimization/88598
9237         * tree.h (initializer_each_zero_or_onep): Declare.
9238         * tree.c (initializer_each_zero_or_onep): New function.
9239         (signed_or_unsigned_type_for): Handle float types too.
9240         (unsigned_type_for, signed_type_for): Update comments accordingly.
9241         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9242         x & { 0 or -1, 0 or -1, ... }.
9243
9244 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9245
9246         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9247         with x86_64-pc-linux-gnu.
9248
9249 2019-01-07  Tom de Vries  <tdevries@suse.de>
9250
9251         PR target/85486
9252         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9253         function.
9254         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9255         routines.
9256
9257 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9258
9259         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9260         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9261         TARGET_AVX512F as condition.
9262
9263         PR debug/88723
9264         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9265         const_not_ok_for_debug_p target hook.
9266         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9267         on UNSPEC and subexpressions thereof if all subexpressions of the
9268         UNSPEC are CONSTANT_P.
9269
9270         PR tree-optimization/88676
9271         * tree-ssa-phiopt.c (two_value_replacement): New function.
9272         (tree_ssa_phiopt_worker): Call it.
9273
9274         PR sanitizer/88619
9275         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9276         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9277
9278         PR c++/85052
9279         * tree-vect-generic.c: Include insn-config.h and recog.h.
9280         (expand_vector_piecewise): Add defaulted ret_type argument,
9281         if non-NULL, use that in preference to type for the result type.
9282         (expand_vector_parallel): Formatting fix.
9283         (do_vec_conversion, do_vec_narrowing_conversion,
9284         expand_vector_conversion): New functions.
9285         (expand_vector_operations_1): Call expand_vector_conversion
9286         for VEC_CONVERT ifn calls.
9287         * internal-fn.def (VEC_CONVERT): New internal function.
9288         * internal-fn.c (expand_VEC_CONVERT): New function.
9289         * fold-const-call.c (fold_const_vec_convert): New function.
9290         (fold_const_call): Use it for CFN_VEC_CONVERT.
9291         * doc/extend.texi (__builtin_convertvector): Document.
9292
9293 2019-01-07  Tom de Vries  <tdevries@suse.de>
9294
9295         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9296         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9297         vector_red_partition, vector_red_sym): New global variables.
9298         (nvptx_option_override): Initialize vector_red_sym.
9299         (nvptx_declare_function_name): Restore red_partition register.
9300         (nvptx_file_end): Emit code to declare the vector reduction variables.
9301         (nvptx_output_red_partition): New function.
9302         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9303         large vector reductions.
9304         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9305         (nvptx_init_builtins): Add VECTOR_ADDR.
9306         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9307         Handle nvptx_expand_shared_addr.
9308         (nvptx_get_shared_red_addr): Add vector argument and handle large
9309         vectors.
9310         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9311         large vectors.
9312         (nvptx_goacc_reduction_init): Likewise.
9313         (nvptx_goacc_reduction_fini): Likewise.
9314         (nvptx_goacc_reduction_teardown): Likewise.
9315         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9316         init,fini,teardown}.
9317         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9318         (nvptx_set_current_function): Init vector_red_partition.
9319         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9320         (nvptx_red_partition): New insn.
9321         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9322
9323 2019-01-07  Tom de Vries  <tdevries@suse.de>
9324
9325         PR target/85381
9326         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9327         empty loops.
9328
9329 2019-01-07  Tom de Vries  <tdevries@suse.de>
9330
9331         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9332         (nvptx_option_override): Init oacc_bcast_partition.
9333         (nvptx_init_oacc_workers): New function.
9334         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9335         (nvptx_needs_shared_bcast): New function.
9336         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9337         to propagate state.
9338         (nvptx_shared_propagate): Initialize vector bcast partition and
9339         synchronization state.
9340         (nvptx_single):  Generalize to enable vectors to use shared-memory
9341         to propagate state.
9342         (nvptx_process_pars): Likewise.
9343         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9344         * config/nvptx/nvptx.h (struct machine_function): Add
9345         bcast_partition and sync_bar members.
9346
9347 2019-01-07  Tom de Vries  <tdevries@suse.de>
9348
9349         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9350         (nvptx_apply_dim_limits): New function.
9351         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9352         PTX_WARP_SIZE.
9353
9354 2019-01-07  Tom de Vries  <tdevries@suse.de>
9355
9356         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9357         as late as possible.
9358
9359 2019-01-07  Tom de Vries  <tdevries@suse.de>
9360
9361         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9362         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9363         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9364         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9365         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9366
9367 2019-01-07  Tom de Vries  <tdevries@suse.de>
9368
9369         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9370
9371 2019-01-07  Tom de Vries  <tdevries@suse.de>
9372
9373         * omp-offload.c (oacc_get_min_dim): New function.
9374         * omp-offload.h (oacc_get_min_dim): Declare.
9375
9376 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9377
9378         PR target/88521
9379         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9380         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9381
9382 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9383
9384         PR tree-opt/86020
9385         Revert:
9386         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9387
9388         * ipa-inline.c (edge_badness): Use inlined_time instead of
9389         inline_summaries->get.
9390
9391 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9392
9393         * opts.c (enable_fdo_optimizations): Enable
9394         version-loops-for-strides, loop-interchange, unrol-and-jam
9395         and tree-loop-distribution.
9396         * invoke.texi: Document newly enabled options.
9397
9398 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9399
9400         * doc/invoke.texi (max-inline-insns-small): New parameters.
9401         * ipa-inline.c (want_early_inline_function_p): simplify.
9402         (want_inline_small_function_p): Fix pasto from previous patch;
9403         use max-inline-insns-small bound.
9404         * params.def (max-inline-insns-small): New param.
9405         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9406         variables correctly.
9407
9408 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9409
9410         * doc/invoke.texi: Document max-inline-insns-size,
9411         uninlined-function-insns, uninlined-function-time,
9412         uninlined-thunk-insns and uninlined-thunk-time.
9413         * params.def: Add max-inline-insns-size,
9414         uninlined-function-insns, uninlined-function-time,
9415         uninlined-thunk-insns and uninlined-thunk-time.
9416         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9417         new parameters.
9418         * ipa-inline.c (can_inline_edge_by_limits_p,
9419         want_inline_small_function_p): Use new parameters.
9420
9421 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9422
9423         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9424
9425 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9426
9427         PR middle-end/82564
9428         PR target/88620
9429         * expr.c (expand_assignment): For calls returning VLA structures
9430         if to_rtx is not a MEM, force it into a stack temporary.
9431
9432         PR debug/88635
9433         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9434         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9435         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9436         subexpressions of both operands.
9437         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9438         subrtxes are CONSTANT_P.
9439         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9440         2018-11-09 changes.
9441
9442 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9443
9444         * params.def (hot-bb-count-ws-permille): Set to 990.
9445
9446 2019-01-04  Martin Sebor  <msebor@redhat.com>
9447
9448         PR c/88546
9449         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9450         leaf.
9451
9452 2019-01-04  Martin Sebor  <msebor@redhat.com>
9453
9454         PR c/88363
9455         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9456
9457 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9458
9459         * gdbinit.in: Turn off pagination for the skip commands, restore
9460         it to previous state afterwards.
9461
9462 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9463
9464         PR target/88594
9465         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9466         of GET_MODE (opN) as modes of the libcall arguments.
9467
9468 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9469
9470         * config/i386/sse.md
9471         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9472         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9473         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9474         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9475         avx512f_vmcmp<mode>3<round_saeonly_name>,
9476         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9477         avx512f_maskcmp<mode>3,
9478         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9479         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9480         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9481         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9482         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9483         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9484         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9485         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9486         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9487         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9488         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9489         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9490         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9491         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9492         avx512cd_maskb_vec_dup<mode>,
9493         avx512cd_maskw_vec_dup<mode>,
9494         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9495         avx512dq_vmfpclass<mode>,
9496         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9497         instead of =Yk.
9498
9499 2019-01-03  Martin Sebor  <msebor@redhat.com>
9500
9501         PR tree-optimization/88659
9502         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9503
9504 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9505
9506         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9507         unaligned vsx and avoid lxvd2x/stxvd2x.
9508         (gen_lvx_v4si_move): New function.
9509
9510 2019-01-03  Tom de Vries  <tdevries@suse.de>
9511
9512         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9513         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9514         function.
9515         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9516
9517 2019-01-03  Tom de Vries  <tdevries@suse.de>
9518
9519         * config/nvptx/nvptx.c (struct offload_attrs): New.
9520         (populate_offload_attrs): New function.  Factor mask extraction out of
9521         nvptx_reorg.  Add extraction of dimensions.
9522         (nvptx_reorg): Use populate_offload_attrs.
9523
9524 2019-01-03  Tom de Vries  <tdevries@suse.de>
9525
9526         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9527         cases for oacc_min_dims_p and routine_p.  Add asserts for
9528         oacc_default_dims_p and offload_region_p.
9529
9530 2019-01-03  Tom de Vries  <tdevries@suse.de>
9531
9532         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9533         factored out of ...
9534         (nvptx_goacc_validate_dims): ... here.
9535
9536 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9537
9538         PR tree-optimization/85574
9539         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9540         structure.
9541         (struct ssa_equip_hash_traits): Declare.
9542         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9543
9544 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9545
9546         PR debug/88644
9547         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9548         change it to qualified_type.
9549
9550 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9551
9552         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9553         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9554
9555 2019-01-02  Martin Sebor  <msebor@redhat.com>
9556             Jeff Law  <law@redhat.com>
9557
9558         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9559         (get_range_strlen_tree): Update appropriately.
9560         (get_range_strlen)
9561         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9562
9563         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9564         rather than set_range_info.
9565         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9566         maybe_set_strlen_range.  Handle potentially boundary crossing
9567         cases more conservatively.
9568         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9569         Call set_strlen_range.
9570         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9571
9572         PR middle-end/88663
9573         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9574         need the flexp argument.
9575         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9576         from calls to get_range_strlen.  Update comments.  Just update
9577         VAL for an unterminated const char array and let the reset of the
9578         code handle it normally.  No longer try to set *flexp.  Adjust
9579         return value.
9580         (get_range_strlen): Update for the new get_range_strlen API.
9581         (get_maxval_strlen): Similarly.
9582         (gimple_fold_builtin_strlen): Handle update meaning of return value
9583         from get_range_strlen.
9584         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9585         get_range_strlen API.
9586
9587 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9588
9589         PR lto/88130
9590         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9591         false at WPA time when body was removed.
9592
9593 2019-01-02  Martin Liska  <mliska@suse.cz>
9594
9595         PR tree-optimization/88650
9596         * predict.c (set_even_probabilities): Calculate probability
9597         remainer only when really used.
9598
9599 2019-01-02  Richard Biener  <rguenther@suse.de>
9600
9601         PR middle-end/88651
9602         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9603         widest_ints when mangling max_stmt_execution results.
9604
9605 2019-01-02  Richard Biener  <rguenther@suse.de>
9606
9607         PR tree-optimization/88621
9608         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9609         bitfields when canoncalizing.
9610
9611 2019-01-02  Richard Biener  <rguenther@suse.de>
9612
9613         PR target/87545
9614         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9615         cost of cheap SSE instruction.
9616
9617 2019-01-02  Richard Biener  <rguenther@suse.de>
9618
9619         PR ipa/85574
9620         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9621         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9622         function.
9623         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9624         set after UIDs before splitting them.
9625
9626 2019-01-01  Martin Sebor  <msebor@redhat.com>
9627             Jeff Law  <law@redhat.com>
9628
9629         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9630         length is optimistic.  If it is, then arrange to compute the
9631         conservative length as well.
9632
9633         * gimple-fold.h (get_range_strlen): Update prototype.
9634         * builtins.c (check_access): Update call to get_range_strlen to use
9635         c_strlen_data pointer.   Change various variable accesses to instead
9636         pull data from the c_strlen_data structure.
9637         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9638         * calls.c (maybe_warn_nonstring_arg): Likewise.
9639         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9640         minimum length if maximum lengh is unknown.
9641         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9642         that used c_strlen, it's no longer needed.  Restructure slightly.
9643         (format_string): Set unlikely range appropriately.
9644         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9645         formatting issues.
9646         (get_range_strlen):  Accept c_strlen_data pointer for external
9647         call sites as well.  Pass through to call to internal get_range_strlen.
9648         Adjust minlen, maxlen and maxbound as needed.
9649         (get_maxval_strlen): Update comments.
9650         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9651         to use c_strlen_data pointer.  Change variable accesses to instead
9652         use c_strlen_data data members.
9653
9654         * gimple-fold.c (get_range_strlen): Update prototype.
9655         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9656         local variables.  Use pdata to return information to caller.
9657         Update calls to get_range_strlen.  Update pdata->maxbound.
9658         (get_range_strlen -- static version): Similarly.
9659         (get_range_strlen -- extern version): Update for internal
9660         get_range_strlen API change.  Convert to external data format.
9661         (get_maxval_strlen): Similarly.
9662
9663 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9664
9665         * coverage.c (get_coverage_counts): Use current_function_decl.
9666         * profile.c (read_thunk_profile): New function.
9667         (branch_prob): Add THUNK parameter.
9668         * tree-profile.c (tree_profiling): Handle thunks.
9669         * value-prof.c (init_node_map): Handle thunks.
9670         * value-prof.h (branch_prob): Upate prototype.
9671         (read_thunk_profile): Declare.
9672
9673 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9674
9675         Update copyright years.
9676
9677         * gcc.c (process_command): Update copyright notice dates.
9678         * gcov-dump.c (print_version): Ditto.
9679         * gcov.c (print_version): Ditto.
9680         * gcov-tool.c (print_version): Ditto.
9681         * gengtype.c (create_file): Ditto.
9682         * doc/cpp.texi: Bump @copying's copyright year.
9683         * doc/cppinternals.texi: Ditto.
9684         * doc/gcc.texi: Ditto.
9685         * doc/gccint.texi: Ditto.
9686         * doc/gcov.texi: Ditto.
9687         * doc/install.texi: Ditto.
9688         * doc/invoke.texi: Ditto.
9689 \f
9690 Copyright (C) 2019 Free Software Foundation, Inc.
9691
9692 Copying and distribution of this file, with or without modification,
9693 are permitted in any medium without royalty provided the copyright
9694 notice and this notice are preserved.