gcc/ChangeLog

   1 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
   2
   3         * config/i386/i386.c (ix86_gen_add3): Remove indirect function.
   4         (*ix86_gen_sub3): Ditto.
   5         (*ix86_gen_sub3_carry): Ditto.
   6         (*ix86_gen_one_cmpl2): Ditto.
   7         (*ix86_gen_andsp): Ditto.
   8         (ix86_init_large_pic_reg): Use gen_add2_insn instead of ix86_gen_add3.
   9         (gen_and2_insn): New static function.
  10         (ix86_expand_prologue): Use gen_and2_insn instead of ix86_gen_andsp.
  11         Use gen_add3_insn instead of ix86_gen_add3.
  12         (ix86_expand_split_stack_prologue): Use gen_add2_insn
  13         instead of ix86_gen_add3.
  14         (legitimize_tls_address): Use gen_add2_insn instead of ix86_gen_add3.
  15         Use gen_sub3_insn instead of ix86_gen_sub3.
  16         * config/i386-expand.c (ix86_split_long_move): Use gen_add2_insn
  17         instead of ix86_gen_add3.
  18         (ix86_expand_strlensi_unroll_1): Use gen_add2_insn instead of
  19         ix86_gen_add3.  Use gen_sub3_insn instead of ix86_gen_sub3.
  20         (construct_plt_address): Use gen_add2_insn instead of ix86_gen_add3.
  21         * config/i386/i386-options.c (ix86_option_override_internal):
  22         Do not initialize ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
  23         ix86_gen_one_cmpl2 and ix86_gen_andsp.
  24
  25 2019-05-27  Eric Botcazou  <ebotcazou@adacore.com>
  26
  27         * dwarf2out.c (resolve_args_picking_1): Deal with DW_OP_GNU_addr_index
  28         and DW_OP_GNU_const_index opcodes.
  29
  30 2019-05-27  Uroš Bizjak  <ubizjak@gmail.com>
  31
  32         * config/i386/i386.h (STACK_SIZE_MODE): Define.
  33
  34 2019-05-27  Richard Biener  <rguenther@suse.de>
  35
  36         PR tree-optimization/90637
  37         * tree-ssa-sink.c (statement_sink_location): Honor the
  38         computed sink location for single-uses.
  39
  40 2019-05-27  Richard Biener  <rguenther@suse.de>
  41
  42         PR middle-end/90610
  43         * match.pd (vec_perm): Avoid clobbering op0 when not generating
  44         a bit-insert.
  45
  46 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
  47
  48         * config/i386/i386.md (@sub<mode>3_carry): Rename
  49         from sub<mode>3_carry.
  50         (@leave_<mode>): New expander.
  51         (*leave): Rename from leave.
  52         (*leave_rex64): Rename from leave_rex64.
  53         (@monitorx_<mode>): Rename from monitorx_<mode>.
  54         (@clzero_<mode>): Rename from clzero_<mode>.
  55         * config/i386/sse.md (@sse3_monitor_<mode>): Rename
  56         from sse3_monitor_<mode>.
  57         * config/i386/i386.c (ix86_gen_sub3_carry): Remove indirect function.
  58         (*ix86_gen_leave): Ditto.
  59         (*ix86_gen_monitor): Ditto.
  60         (*ix86_gen_monitorx): Ditto.
  61         (*ix86_gen_clzero): Ditto.
  62         (ix86_emit_leave): Use gen_leave instead of ix86_gen_leave.
  63         * config/i386/i386-expand.c (ix86_expand_strlensi_unroll_1):
  64         Use gen_sub3_carry instead of ix86_gen_sub3_carry.
  65         (ix86_expand_builtin) <case IX86_BUILTIN_MONITOR>:
  66         Use gen_sse3_monitor instead of ix86_gen_monitor.
  67         <case IX86_BUILTIN_MONITORX>: Use gen_monitorx
  68         instead of ix86_gen_monitorx.
  69         <case IX86_BUILTIN_CLZERO>: Use gen_clzero
  70         instead of ix86_gen_clzero.
  71         * config/i386/i386-options.c (ix86_option_override_internal):
  72         Do not initialize ix86_gen_leave, ix86_gen_sub3_carry,
  73         ix86_gen_monitor, ix86_gen_monitorx and ix86_gen_clzero.
  74
  75 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
  76
  77         * config/i386/i386.md (@tls_global_dynamic_64_<mode>):
  78         Rename from tls_global_dynamic_64_<mode>.
  79         (@tls_local_dynamic_base_64_<mode>): Rename from
  80         tls_local_dynamic_base_64_<mode>.
  81         * config/i386/i386.c (*ix86_gen_tls_global_dynamic_64):
  82         Remove indirect function.
  83         (*ix86_gen_tls_local_dynamic_base_64): Ditto.
  84         (legitimize_tls_address): Use gen_tls_global_dynamic_64 function
  85         instead of ix86_gen_tls_global_dynamic_64.
  86         Use gen_tls_local_dynamic_base_64 instead of
  87         ix86_gen_tls_local_dynamic_base_64.
  88         * config/i386/i386-options.c (ix86_option_override_internal):
  89         Do not initialize ix86_gen_tls_global_dynamic_64 and
  90         ix86_gen_tls_local_dynamic_base_64.
  91
  92 2019-05-26  Uroš Bizjak  <ubizjak@gmail.com>
  93
  94         * config/i386/i386.md (@pro_epilogue_adjust_stack_add_<mode>)
  95         Rename from pro_epilogue_adjust_stack_<mode>_add.
  96         (@pro_epilogue_adjust_stack_sub_<mode>)
  97         Rename from pro_epilogue_adjust_stack_<mode>_sub.
  98         (@allocate_stack_worker_probe_<mode>):
  99         Rename from allocate_stack_worker_probe_<mode>.
 100         (allocate_stack): Use gen_allocate_stack_worker_probe.
 101         (probe_stack): Use gen_probe_stack_1.
 102         (@probe_stack_1_<mode>): Rename from probe_stack_<mode>.
 103         (@adjust_stack_and_probe_<mode>): Rename from
 104         adjust_stack_and_probe<mode>.
 105         (@probe_stack_range_<mode>): Rename from probe_stack_range<mode>.
 106         (stack_protect_set): Use gen_stack_protect_set_1.
 107         (@stack_protect_set_1_<mode>): Rename from stack_protect_set_<mode>.
 108         (stack_protect_test): Use gen_stack_protect_test_1.
 109         (@stack_protect_test_1_<mode>): Rename from stack_protect_test_<mode>.
 110         * config/i386/i386.c (*ix86_gen_allocate_stack_worker):
 111         Remove indirect function.
 112         (*ix86_gen_adjust_stack_and_probe): Ditto.
 113         (*ix86_gen_probe_stack_range): Ditto.
 114         (pro_epilogue_adjust_stack): Use gen_pro_epilogue_adjust_stack_add
 115         instead of gen_pro_epilogue_adjust_stack_{si,di}_add.
 116         (ix86_adjust_stack_and_probe_stack_clash): Use
 117         gen_adjust_stack_and_probe instead of ix86_gen_adjust_stack_and_probe.
 118         (ix86_adjust_stack_and_probe): Ditto.
 119         (ix86_emit_probe_stack_range): Use gen_probe_stack_range instead
 120         of ix86_gen_probe_stack_range.
 121         (ix86_expand_prologue):  Use gen_pro_epilogue_adjust_stack_sub
 122         instead of gen_pro_epilogue_adjust_stack_{si,di}_sub.
 123         * config/i386/x86-tune-sched.c (ix86_macro_fusion_pair_p):
 124         Include insn-opinit.h.  Use code_for_stack_protect_test_1 instead of
 125         CODE_FOR_stack_protect_test_{si,di}.
 126         * config/i386/i386-options.c (ix86_option_override_internal):
 127         Do not initialize ix86_gen_allocate_stack_worker,
 128         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 129
 130 2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
 131
 132         * doc/invoke.texi (Link Options): Many editorial changes around
 133         -flinker-output.
 134
 135 2019-05-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 136
 137         * doc/invoke.texi (x86 Options, -mvect8-ret-in-mem): Remove
 138         pre-Solaris 11 referene and most Studio compiler details.
 139
 140 2019-05-24  John David Anglin  <danglin@gcc.gnu.org>
 141
 142         PR target/90530
 143         * config/pa/pa.c (pa_can_change_mode_class): Accept mode changes from
 144         DImode to SImode in floating-point registers on 64-bit target.
 145         * config/pa/pa.md (umulsidi3): Change nonimmediate_operand to
 146         register_operand in xmpyu patterns.
 147
 148 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 149
 150         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE__CONDTEMP_.
 151         * tree.h (OMP_CLAUSE_DECL): Use OMP_CLAUSE__CONDTEMP_ instead of
 152         OMP_CLAUSE__REDUCTEMP_.
 153         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add
 154         OMP_CLAUSE__CONDTEMP_.
 155         (walk_tree_1): Handle OMP_CLAUSE__CONDTEMP_.
 156         * tree-pretty-print.c (dump_omp_clause): Likewise.
 157         * tree-nested.c (convert_nonlocal_omp_clauses,
 158         convert_local_omp_clauses): Likewise.
 159         * gimplify.c (enum gimplify_omp_var_data): Use hexadecimal constants
 160         instead of decimal.  Add GOVD_LASTPRIVATE_CONDITIONAL.
 161         (gimplify_scan_omp_clauses): Don't reject lastprivate conditional
 162         on OMP_FOR.
 163         (gimplify_omp_for): Warn and disable conditional modifier from
 164         lastprivate on loop iterators.
 165         * omp-general.h (struct omp_for_data): Add lastprivate_conditional
 166         member.
 167         * omp-general.c (omp_extract_for_data): Initialize it.
 168         * omp-low.c (struct omp_context): Add lastprivate_conditional_map
 169         member.
 170         (delete_omp_context): Delete it.
 171         (lower_lastprivate_conditional_clauses): New function.
 172         (lower_lastprivate_clauses): Add BODY_P and CSTMT_LIST arguments,
 173         handle lastprivate conditional clauses.
 174         (lower_reduction_clauses): Add CLIST argument, emit it into
 175         the critical section if any.
 176         (lower_omp_sections): Adjust lower_lastprivate_clauses and
 177         lower_reduction_clauses callers.
 178         (lower_omp_for_lastprivate): Add CLIST argument, pass it through
 179         to lower_lastprivate_clauses.
 180         (lower_omp_for): Call lower_lastprivate_conditional_clauses, adjust
 181         lower_omp_for_lastprivate and lower_reduction_clauses callers, emit
 182         clist into a critical section if not emitted there already by
 183         lower_reduction_clauses.
 184         (lower_omp_taskreg, lower_omp_teams): Adjust lower_reduction_clauses
 185         callers.
 186         (lower_omp_1): Handle GIMPLE_ASSIGNs storing into lastprivate
 187         conditional variables.
 188         * omp-expand.c (determine_parallel_type): Punt if OMP_CLAUSE__CONDTEMP_
 189         clause is present.
 190         (expand_omp_for_generic, expand_omp_for_static_nochunk,
 191         expand_omp_for_static_chunk): Handle lastprivate conditional.
 192         (expand_omp_for): Handle fd.lastprivate_conditional like
 193         fd.have_reductemp.
 194
 195 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 196
 197         * config/gcn/gcn-run.c (main): Set a non-zero return value if the
 198         kernel does not exit cleanly.
 199         * config/gcn/gcn.md (gcn_return): Insert s_waitcnt before s_dcache_wb.
 200
 201 2019-05-24  Jason Merrill  <jason@redhat.com>
 202
 203         Revert:
 204         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 205
 206 2019-05-24  Richard Biener  <rguenther@suse.de>
 207
 208         PR testsuite/90607
 209         * tree-loop-distribution.c (struct partition): Add location
 210         member.
 211         (partition_alloc): Initialize all fields.
 212         (generate_memset_builtin): Use the location recorded in the
 213         partition for the generated call.
 214         (generate_memcpy_builtin): Likewise.
 215         (classify_partition): Record the location of a single store
 216         as location for the partition.
 217
 218 2019-05-24  Andrew Stubbs  <ams@codesourcery.com>
 219
 220         * config/gcn/gcn.c (gcn_expand_prologue): Use gen_addsi3_scalar_carry
 221         for lo-part.
 222
 223 2019-05-24  Matthew Malcomson  <matthew.malcomson@arm.com>
 224
 225         PR target/90588
 226         * common/config/aarch64/aarch64-common.c
 227         (aarch64_rewrite_selected_cpu): Change local temporary variable
 228         type from unsigned long to uint64_t.
 229         * config/aarch64/aarch64-protos.h (aarch64_parse_extension,
 230         aarch64_get_extension_string_for_isa_flags): Change declaration to
 231         match new definition by replacing unsigned long with uint64_t.
 232
 233 2019-05-24  Jakub Jelinek  <jakub@redhat.com>
 234
 235         PR target/90568
 236         * config/i386/x86-tune-sched.c (ix86_macro_funsion_pair_p): Call
 237         gen_attr_type just once instead of 4-7 times.  Formatting fixes.
 238         Handle stack_protect_test_<mode> codegen similarly to corresponding
 239         sub instruction.
 240
 241 2019-05-23  Iain Sandoe  <iain@sandoe.co.uk>
 242
 243        * config/i386/darwin.h: Reject -mfentry*.
 244        * doc/sourcebuild.texi: Document mfentry target support.
 245
 246 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 247
 248         * config/rs6000/rs6000.c (rs6000_global_entry_point_needed_p):
 249         Rename to rs6000_global_entry_point_prologue_needed_p.  Return
 250         false for PC-relative functions.
 251         (rs6000_output_function_prologue): Change called function name to
 252         rs6000_global_entry_point_prologue_needed_p.  Emit ".localentry
 253         name,1" for PC-relative functions.
 254         (rs6000_elf_declare_function_name): Change called function name to
 255         rs6000_global_entry_point_prologue_needed_p.
 256
 257 2019-05-23  Uroš Bizjak  <ubizjak@gmail.com>
 258
 259         PR target/90552
 260         * config/i386/i386.c (gen_rtx_cost):
 261         Use ix86_tune_cost instead of ix86_cost.
 262
 263 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 264             Michael Meissner  <meissner@linux.ibm.com>
 265             Segher Boessenkool  <segher@kernel.crashing.org>
 266
 267         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Add
 268         OPTION_MASK_PCREL.
 269         (POWERPC_MASKS): Add OPTION_MASK_PCREL.
 270         * config/rs6000/rs6000-protos.h (rs6000_pcrel_p): New prototype.
 271         (rs6000_fndecl_pcrel_p): Likewise.
 272         * config/rs6000/rs6000.c (rs6000_option_override_internal): Report
 273         error if -mpcrel is requested without -mcpu=future.
 274         (rs6000_opt_masks): Add entry for pcrel.
 275         (rs6000_fndecl_pcrel_p): New function.
 276         (rs6000_pcrel_p): Likewise.
 277         * config/rs6000/rs6000.opt (mpcrel): New option.
 278         * doc/invoke.texi: Document -mpcrel and -mno-pcrel.
 279
 280 2019-05-23  Jan Hubicka  <jh@suse.cz>
 281             Martin Liska  <mliska@suse.cz>
 282
 283         PR tree-optimization/90576
 284         * tree-ssa-alias.c (compare_sizes): Remove dead calls to
 285         poly_int_tree_p.
 286         (aliasing_component_refs_p): Fix three way size compare conditional;
 287         give up earlier in case we can not decide on equivalence.
 288
 289 2019-05-23  Bill Schmidt  <wschmidt@linux.ibm.com>
 290             Michael Meissner  <meissner@linux.ibm.com>
 291             Segher Boessenkool  <segher@kernel.crashing.org>
 292
 293         * config.gcc: Add future cpu.
 294         * config/rs6000/driver-rs6000.c (asm_names): Add future cpu.
 295         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): New
 296         #define.
 297         (POWERPC_MASKS): Add OPTION_MASK_FUTURE.
 298         (RS6000_CPU): New instantiation for future cpu.
 299         * config/rs6000/rs6000-opts.h (enum processor_type): Add
 300         PROCESSOR_FUTURE.
 301         * config/rs6000/rs6000-string.c (expand_compare_loop): Treat
 302         PROCESSOR_FUTURE like PROCESSOR_POWER9 for now.
 303         * config/rs6000/rs6000-tables.opt: Regenerate.
 304         * config/rs6000/rs6000.c (rs6000_option_override_internal): Treat
 305         PROCESSOR_FUTURE similarly to PROCESSOR_POWER9 for now.
 306         (rs6000_machine_from_flags): Handle future cpu.
 307         (rs6000_reassociation_width): Treat PROCESSOR_FUTURE like
 308         PROCESSOR_POWER9 for now.
 309         (rs6000_adjust_cost): Likewise.
 310         (rs6000_issue_rate): Likewise.
 311         (rs6000_register_move_cost): Likewise.
 312         (rs6000_opt_masks): Add entry for future.
 313         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add future cpu.
 314         (MASK_FUTURE): New #define.
 315         * config/rs6000/rs6000.md (define_attr "cpu"): Add future cpu.
 316         * config/rs6000/rs6000.opt (mfuture): New target option.
 317         * doc/invoke.texi (mcpu): Add future cpu.
 318
 319 2019-05-23  Martin Liska  <mliska@suse.cz>
 320
 321         PR c++/90587
 322         * tree-ssa-uninit.c (value_sat_pred_p): The result of &
 323         operation points to a temporary (pointed via tree_to_wide_ref)
 324         that is out of scope after the &.
 325
 326 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 327
 328         PR c++/90592
 329         * doc/extend.texi (Function Names): Add missing word.
 330
 331 2019-05-23  Richard Biener  <rguenther@suse.de>
 332
 333         PR tree-optimization/88440
 334         * opts.c (default_options_table): Enable -ftree-loop-distribute-patterns
 335         at -O[2s]+.
 336         * tree-loop-distribution.c (generate_memset_builtin): Fold the
 337         generated call.
 338         (generate_memcpy_builtin): Likewise.
 339         (distribute_loop): Pass in whether to only distribute patterns.
 340         (prepare_perfect_loop_nest): Also allow size optimization.
 341         (pass_loop_distribution::execute): When optimizing a loop
 342         nest for size allow pattern replacement.
 343
 344 2019-05-23  Jakub Jelinek  <jakub@redhat.com>
 345
 346         PR target/90568
 347         * config/i386/i386.md (stack_protect_test_<mode>): Use sub instead
 348         of xor.
 349
 350 2019-05-23  Martin Liska  <mliska@suse.cz>
 351
 352         PR sanitizer/90570
 353         * gimplify.c (gimplify_target_expr): Skip TREE_STATIC target
 354         expression similarly to gimplify_decl_expr.
 355
 356 2019-05-23  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 357
 358         * cse.c (cse_dump_path): s/dump_file/f.
 359
 360 2019-05-22  David Malcolm  <dmalcolm@redhat.com>
 361
 362         PR c++/90462
 363         * diagnostic-format-json.cc: Include "selftest.h".
 364         (json_from_expanded_location): Only add "file" key for non-NULL
 365         file strings.
 366         (json_from_location_range): Don't add "start" and "finish"
 367         children if they are UNKNOWN_LOCATION.
 368         (selftest::test_unknown_location): New selftest.
 369         (selftest::test_bad_endpoints): New selftest.
 370         (selftest::diagnostic_format_json_cc_tests): New function.
 371         * json.cc (json::object::get): New function.
 372         (selftest::test_object_get): New selftest.
 373         (selftest::json_cc_tests): Call it.
 374         * json.h (json::object::get): New decl.
 375         * selftest-run-tests.c (selftest::run_tests): Call
 376         selftest::diagnostic_format_json_cc_tests.
 377         * selftest.h (selftest::diagnostic_format_json_cc_tests): New
 378         decl.
 379
 380 2019-05-22  Kwok Cheung Yeung  <kcy@codesourcery.com>
 381             Andrew Stubbs  <amd@codesourcery.com>
 382
 383         * config.gcc (gcc_cv_initfini_array): Set for AMD GCN.
 384         * config/gcn/gcn-run.c (init_array_kernel, fini_array_kernel): New.
 385         (kernel): Rename to...
 386         (main_kernel): ... this.
 387         (load_image): Load _init_array and _fini_array kernels.
 388         (run): Add argument for kernel to run.
 389         (main): Run init_array_kernel before main_kernel, and
 390         fini_array_kernel after.
 391         * config/gcn/gcn.c (gcn_handle_amdgpu_hsa_kernel_attribute): Allow
 392         amdgpu_hsa_kernel attribute on functions.
 393         (gcn_disable_constructors): Delete.
 394         (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): Delete.
 395         * config/gcn/crt0.c (size_t): Define.
 396         (_init_array, _fini_array): New.
 397         (__preinit_array_start, __preinit_array_end,
 398         __init_array_start, __init_array_end,
 399         __fini_array_start, __fini_array_end): Declare weak references.
 400
 401 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 402
 403         * config/gcn/gcn.c (gcn_trampoline_init): Call "sorry" on GCN5.
 404
 405 2019-05-22  Jason Merrill  <jason@redhat.com>
 406
 407         * gimplify.c (gimplify_cond_expr): Don't check TREE_ADDRESSABLE.
 408
 409 2019-05-22  H.J. Lu  <hongjiu.lu@intel.com>
 410
 411         PR target/88483
 412         * config/i386/i386-options.c (ix86_init_machine_status): Set
 413         stack_frame_required to true.
 414         * config/i386/i386.c (ix86_get_frame_size): New function.
 415         (ix86_frame_pointer_required): Replace get_frame_size with
 416         ix86_get_frame_size.
 417         (ix86_compute_frame_layout): Likewise.
 418         (ix86_find_max_used_stack_alignment): Changed to void.  Set
 419         stack_frame_required.
 420         (ix86_finalize_stack_frame_flags): Always call
 421         ix86_find_max_used_stack_alignment.  Replace get_frame_size with
 422         ix86_get_frame_size.
 423         * config/i386/i386.h (machine_function): Add stack_frame_required.
 424
 425 2019-05-22  Uroš Bizjak  <ubizjak@gmail.com>
 426
 427         * config/i386/sse.md (sse_cvtpi2ps): Use TARGET_MMX in insn condition.
 428
 429 2019-05-22  Matthew Malcomson  <matthew.malcomson@arm.com>
 430
 431         * common/config/aarch64/aarch64-common.c
 432         (struct aarch64_option_extension, struct processor_name_to_arch,
 433         struct arch_to_arch_name, aarch64_parse_extension, opt_ext_cmp,
 434         aarch64_contains_opt,
 435         aarch64_get_extension_string_for_isa_flags): Change type of
 436         variables storing flags to uint64_t.
 437         * config/aarch64/aarch64-option-extensions.def (sve2, sve2-sm4,
 438         sve2-aes, sve2-sha3, bitperm): New optional SVE2 extension flags.
 439         * config/aarch64/aarch64.c (struct processor,
 440         aarch64_parse_arch, aarch64_parse_cpu, aarch64_validate_mcpu,
 441         aarch64_validate_march, aarch64_override_options,
 442         aarch64_option_print, aarch64_handle_attr_isa_flags,
 443         aarch64_declare_function_name, aarch64_start_file): Make flag
 444         variables uint64_t.
 445         * config/aarch64/aarch64.h (AARCH64_FL_SVE2, AARCH64_FL_SVE2_AES,
 446         AARCH64_FL_SVE2_SM4, AARCH64_FL_SVE2_SHA3,
 447         AARCH64_FL_SVE2_BITPERM): New macro feature flags.
 448         * config/aarch64/aarch64.opt (aarch64_isa_flags): Make uint64_t.
 449         * config/aarch64/driver-aarch64.c
 450         (struct aarch64_arch_extension, struct aarch64_core_data,
 451         struct aarch64_arch_driver_info, host_detect_local_cpu): Make
 452         flag variables uint64_t.
 453         * doc/invoke.texi: Add documentation for new arguments.
 454
 455 2019-05-22  Richard Biener  <rguenther@suse.de>
 456
 457         * alias.c (ao_ref_from_mem): Move stack-slot sharing
 458         rewrite ...
 459         * emit-rtl.c (set_mem_attributes_minus_bitpos): ... here.
 460
 461 2019-05-22  Martin Liska  <mliska@suse.cz>
 462
 463         PR lto/90500
 464         * doc/extend.texi: Document the change.
 465
 466 2019-05-22  Richard Biener  <rguenther@suse.de>
 467
 468         PR tree-optimization/90450
 469         * tree-ssa-loop-im.c (struct im_mem_ref): Add ref_decomposed.
 470         (mem_ref_hasher::equal): Check it.
 471         (mem_ref_alloc): Initialize it.
 472         (gather_mem_refs_stmt): Set it.
 473
 474 2019-05-22  Richard Biener  <rguenther@suse.de>
 475
 476         * gimple-fold.c (arith_code_with_undefined_signed_overflow):
 477         Add ABS_EXPR.
 478         (rewrite_to_defined_overflow): Handle rewriting ABS_EXPR
 479         as ABSU_EXPR.
 480
 481 2019-05-22  Alan Modra  <amodra@gmail.com>
 482
 483         * config/rs6000/rs6000.h (ASM_OPT_ANY): Define.
 484         (ASM_CPU_SPEC): Conditionally add -many.
 485         * config/rs6000/rs6000.c (rs6000_machine): New static var.
 486         (rs6000_machine_from_flags, emit_asm_machine): New functions..
 487         (rs6000_file_start): ..extracted from here, and modified to
 488         test all ISA bits.
 489         (rs6000_output_function_prologue): Emit .machine as necessary.
 490         * testsuite/gcc.target/powerpc/ppc32-abi-dfp-1.c: Don't use
 491         power mnemonics.
 492         * testsuite/gcc.dg/vect/O3-pr70130.c: Disable default options
 493         added by check_vect_support_and_set_flags.
 494         * testsuite/gcc.dg/vect/pr48765.c: Likewise.
 495         * testsuite/gfortran.dg/vect/pr45714-b.f: Likewise.
 496
 497 2019-05-22  Hans-Peter Nilsson  <hp@axis.com>
 498
 499         PR middle-end/90553
 500         * ira-lives.c (process_bb_node_lives): Consider defs
 501         for a call insn to be die before the call, not after.
 502
 503         * function.c (assign_parm_setup_block): Raise alignment of
 504         stacked parameter only for STRICT_ALIGNMENT targets.
 505
 506 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 507
 508         * config/rs6000/constraints.md (define_register_constraint "wz"):
 509         Delete.
 510         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 511         RS6000_CONSTRAINT_wz.
 512         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 513         (rs6000_init_hard_regno_mode_ok): Adjust.
 514         * config/rs6000/rs6000.md: Replace "wz" constraint by "d" with "p7".
 515         * doc/md.texi (Machine Constraints): Adjust.
 516
 517 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 518
 519         * config/rs6000/constraints.md (define_register_constraint "wl"):
 520         Delete.
 521         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 522         RS6000_CONSTRAINT_wl.
 523         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 524         (rs6000_init_hard_regno_mode_ok): Adjust.
 525         * config/rs6000/rs6000.md: Replace "wl" constraint by "d" with "p6".
 526         * doc/md.texi (Machine Constraints): Adjust.
 527
 528 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 529
 530         * config/rs6000/constraints.md (define_register_constraint "wm"):
 531         Delete.
 532         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 533         RS6000_CONSTRAINT_wm.
 534         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 535         (rs6000_init_hard_regno_mode_ok): Adjust.
 536         * config/rs6000/vsx.md: Replace "wm" constraint by "wa" with "p8v".
 537         * doc/md.texi (Machine Constraints): Adjust.
 538
 539 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 540
 541         * config/rs6000/constraints.md (define_register_constraint "wk"):
 542         Delete.
 543         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 544         RS6000_CONSTRAINT_wk.
 545         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 546         (rs6000_init_hard_regno_mode_ok): Adjust.
 547         * config/rs6000/rs6000.md: Replace "wk" constraint by "ws" with "p8v".
 548         * doc/md.texi (Machine Constraints): Adjust.
 549
 550 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 551
 552         * config/rs6000/constraints.md (define_register_constraint "wj"):
 553         Delete.
 554         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 555         RS6000_CONSTRAINT_wj.
 556         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 557         (rs6000_init_hard_regno_mode_ok): Adjust.
 558         * config/rs6000/rs6000.md: Replace "wj" constraint by "wi" with "p8v".
 559         (VS_64dm): Delete.
 560         * config/rs6000/vsx.md: Ditto.
 561         * doc/md.texi (Machine Constraints): Adjust.
 562
 563 2019-05-21  Segher Boessenkool  <segher@kernel.crashing.org>
 564
 565         * config/rs6000/constraints.md (define_register_constraint "wh"):
 566         Delete.
 567         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 568         RS6000_CONSTRAINT_wh.
 569         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 570         (rs6000_init_hard_regno_mode_ok): Adjust.
 571         * config/rs6000/rs6000.md: Replace "wh" constraint by "wa" with "p8v".
 572         * doc/md.texi (Machine Constraints): Adjust.
 573
 574 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 575
 576         PR target/90547
 577         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
 578         Avoid calling gen_lowpart with CONST operand.
 579
 580 2019-05-21  Alexandre Oliva <aoliva@redhat.com>
 581
 582         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add
 583         field template_last_to_copy.
 584         (ssa_create_duplicates): Set it, and use it.  Attempt to
 585         preserve more debug stmts.
 586
 587 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 588
 589         * config/i386/sse.md (VF1_AVX2): New mode iterator.
 590         (signbit<mode>2): New expander
 591
 592 2019-05-21  James Clarke  <jrtc27@jrtc27.com>
 593
 594         PR bootstrap/87338
 595         * dwarf2out.c (dwarf2out_inline_entry): Use ASM_OUTPUT_DEBUG_LABEL
 596         instead of ASM_GENERATE_INTERNAL_LABEL and ASM_OUTPUT_LABEL.
 597
 598 2019-05-21  Uroš Bizjak  <ubizjak@gmail.com>
 599
 600         * config/i386/cpuid.h (__cpuid): For 32bit targets, zero
 601         %ebx and %ecx bafore calling cpuid with leaf 1 or
 602         non-constant leaf argument.
 603
 604 2019-05-21  Alan Modra  <amodra@gmail.com>
 605
 606         PR target/90545
 607         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase
 608         power9 direct move cost.
 609         * testsuite/gcc.target/powerpc/fold-vec-splats-floatdouble.c:
 610         Correct comments and rename functions to suit parameters.
 611
 612 2019-05-21  Richard Biener  <rguenther@suse.de>
 613
 614         PR middle-end/90510
 615         * fold-const.c (fold_read_from_vector): New function.
 616         * fold-const.h (fold_read_from_vector): Declare.
 617         * match.pd (VEC_PERM_EXPR): Build BIT_INSERT_EXPRs for
 618         single-element insert permutations.  Canonicalize selector
 619         further and fix issue with last commit.
 620
 621 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 622
 623         * tree-cfg.h (split_critical_edges): Add for_edge_insertion_p
 624         parameter with default value false to declaration.
 625         (split_edges_for_insertion): New inline function.  Wrapper for
 626         split_critical_edges with for_edge_insertion_p = true.
 627         * tree-cfg.c (split_critical_edges): Don't split non-critical
 628         edges if for_edge_insertion_p is false.  Fix whitespace.
 629         * tree-ssa-pre.c (pass_pre::execute): Call
 630         split_edges_for_insertion instead of split_critical_edges.
 631         * gcc/tree-ssa-tail-merge.c (tail_merge_optimize): Ditto.
 632         * gcc/tree-ssa-sink.c (pass_sink_code::execute): Ditto.
 633         (pass_data_sink_code): Update function name in the comment.
 634
 635 2019-05-21  Vladislav Ivanishin  <vlad@ispras.ru>
 636
 637         * tree-ssa-uninit.c (value_sat_pred_p): This new function is a wrapper
 638         around is_value_included_in that knows how to handle BIT_AND_EXPR.
 639         (is_pred_expr_subset_of): Use the new function.  Handle more cases where
 640         code1 == EQ_EXPR and where code1 == BIT_AND_EXPR and thus fix some false
 641         positives.
 642
 643 2019-05-21  Martin Liska  <mliska@suse.cz>
 644
 645         * config/rs6000/driver-rs6000.c (elf_platform): Do not use
 646         an extra newline.
 647         * config/rs6000/rs6000-c.c (rs6000_pragma_longcal): Wrap pragma in %<%>.
 648         (altivec_resolve_overloaded_builtin): Likewise for vec_lvsl and
 649         vec_lvsr.
 650         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 651         Quote a C type.
 652         (rs6000_function_arg): Likewise.
 653         (rs6000_expand_set_fpscr_drn_builtin): Remove trailing dot.
 654         (rs6000_expand_ternop_builtin): Use interval syntax.
 655         (get_element_number): Likewise.
 656         (altivec_expand_builtin): Likewise.
 657         (rs6000_get_function_versions_dispatcher): Quote target_clones.
 658
 659 Fix test-suite.
 660
 661 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 662
 663         PR c++/59813
 664         PR target/90418
 665         * function.h (struct function): Add calls_eh_return member.
 666         * gimplify.c (gimplify_call_expr): Set cfun->calls_eh_return when
 667         gimplifying __builtin_eh_return call.
 668         * tree-inline.c (initialize_cfun): Copy calls_eh_return from src_cfun
 669         to cfun.
 670         (expand_call_inline): Or in src_cfun->calls_eh_return into
 671         dst_cfun->calls_eh_return.
 672         * tree-tailcall.c (suitable_for_tail_call_opt_p): Return false if
 673         cfun->calls_eh_return.
 674         * lto-streamer-in.c (input_struct_function_base): Read calls_eh_return.
 675         * lto-streamer-out.c (output_struct_function_base): Write
 676         calls_eh_return.
 677
 678 2019-05-20  Marc Glisse  <marc.glisse@inria.fr>
 679
 680         PR rtl-optimization/43147
 681         * config/i386/i386.c (ix86_gimple_fold_builtin): Handle
 682         IX86_BUILTIN_SHUFPD.
 683
 684 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 685
 686         * tree-ssa-alias.c (refs_may_alias_p_2): Break out from ...
 687         (refs_may_alias_p_1): ... here; update stats.
 688         (refs_may_alias_p): Do not update stats here.
 689
 690 2019-05-20  Richard Biener  <rguenther@suse.de>
 691
 692         * tree-ssa-structalias.c (find_func_aliases): POINTER_DIFF_EXPR
 693         doesn't produce pointers.
 694         {TRUNC,CEIL,FLOOR,ROUND,EXACT}_{DIV,MOD}_EXPR points to what
 695         the first operand points to.
 696
 697 2019-05-20  Jan Hubicka  <hubicka@ucw.cz>
 698
 699         * tree-ssa-alias.c (compare_sizes): New function.
 700         (sompare_type_sizes): New function
 701         (aliasing_component_refs_p): Use it.
 702         (indirect_ref_may_alias_decl_p): Likewise.
 703
 704 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 705
 706         * config/i386/sol2.h (CC1_SPEC): Reject -mx32.
 707
 708 2019-05-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 709
 710         * config/sol2.h (LIBTSAN_EARLY_SPEC): Remove : after %e.
 711         (LIBLSAN_EARLY_SPEC): Likewise.
 712         * config/i386/sol2.h (ASAN_REJECT_SPEC): Likewise.
 713
 714 2019-05-20  Martin Liska  <mliska@suse.cz>
 715
 716         * config/i386/i386.c (ix86_libc_has_fast_function):
 717         Add ATTRIBUTE_UNUSED for the argument.
 718
 719 2019-05-20  Richard Biener  <rguenther@suse.de>
 720
 721         * gimple-match-head.c: Include vec-perm-indices.h.
 722         * generic-match-head.c: Likewise.
 723         * fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
 724         is included.
 725         * fold-const.c (fold_vec_perm): Export.
 726         (fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
 727         (match.pd): ...here.
 728
 729 2019-05-20  Jakub Jelinek  <jakub@redhat.com>
 730
 731         * cfgloop.h (struct loop): Add simdlen member.
 732         * cfgloopmanip.c (copy_loop_info): Copy simdlen as well.
 733         * omp-expand.c (expand_omp_simd): Set it if simdlen clause is present.
 734         * tree-vect-loop.c (vect_analyze_loop): Pass loop->simdlen != 0
 735         as new argument to autovectorize_vector_sizes target hook.  If
 736         loop->simdlen, pick up vector size where the vectorization factor
 737         is equal to loop->simd, and if there is none, fall back to the first
 738         successful one.
 739         (vect_transform_loop): Adjust autovectorize_vector_sizes target hook
 740         caller.
 741         * omp-low.c (omp_clause_aligned_alignment): Likewise.
 742         * omp-general.c (omp_max_vf): Likewise.
 743         * optabs-query.c (can_vec_mask_load_store_p): Likewise.
 744         * tree-vect-slp.c (vect_slp_bb): Likewise.
 745         * target.def (autovectorize_vector_sizes): Add ALL argument and
 746         document it.
 747         * doc/tm.texi: Adjust documentation.
 748         * targhooks.c (default_autovectorize_vector_sizes): Add bool argument.
 749         * targhooks.h (default_autovectorize_vector_sizes): Likewise.
 750         * config/aarch64/aarch64.c (aarch64_autovectorize_vector_sizes): Add
 751         bool argument.
 752         * config/arc/arc.c (arc_autovectorize_vector_sizes): Likewise.
 753         * config/arm/arm.c (arm_autovectorize_vector_sizes): Likewise.
 754         * config/mips/mips.c (mips_autovectorize_vector_sizes): Likewise.
 755         * config/i386/i386.c (ix86_autovectorize_vector_sizes): Likewise.  If
 756         true and TARGET_AVX512F or TARGET_AVX, push 3 or 2 sizes even if
 757         preferred vector size is not 512-bit or 256-bit, just put those
 758         unpreferred ones last.
 759
 760 2019-05-20  Martin Liska  <mliska@suse.cz>
 761
 762         * targhooks.c (default_libc_has_fast_function): New function.
 763         * targhooks.h (default_libc_has_fast_function): Likewise.
 764
 765 2019-05-20  Martin Liska  <mliska@suse.cz>
 766
 767         PR middle-end/90263
 768         * builtins.c (expand_builtin_memory_copy_args): When having a
 769         target with fast mempcpy implementation do now use memcpy.
 770         * config/i386/i386.c (ix86_libc_has_fast_function): New.
 771         (TARGET_LIBC_HAS_FAST_FUNCTION): Likewise.
 772         * doc/tm.texi: Likewise.
 773         * doc/tm.texi.in: Likewise.
 774         * target.def:
 775         * expr.c (emit_block_move_hints): Add 2 new arguments.
 776         * expr.h (emit_block_move_hints): Bail out when libcall
 777         to memcpy would be used.
 778
 779 2019-05-20  Martin Liska  <mliska@suse.cz>
 780
 781         * profile-count.c: Add vertical spacing in order
 782         to separate functions.
 783         * profile-count.h: Likewise.
 784
 785 2019-05-20  Martin Liska  <mliska@suse.cz>
 786
 787         * profile-count.h: Do not use full qualified
 788         names if possible.
 789         * profile-count.c (profile_count::to_frequency): Likewise.
 790
 791 2019-05-20  Martin Liska  <mliska@suse.cz>
 792
 793         * profile-count.h (enum profile_quality): Use capital letters
 794         for enum value names.  Use the adjusted names.
 795         * profile-count.c: Use the adjusted names.
 796
 797 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 798
 799         * config/rs6000/constraints.md (define_register_constraint "wH"):
 800         Delete.
 801         (define_register_constraint "wI"): Delete.
 802         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 803         RS6000_CONSTRAINT_wH and RS6000_CONSTRAINT_wI.
 804         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 805         (rs6000_init_hard_regno_mode_ok): Adjust.
 806         * config/rs6000/rs6000.md: Replace "wH" and "wI" constraints by "v"
 807         resp. "d", or with "wa" as appropriate, all with "p8v".
 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 "wy"):
 814         Delete.
 815         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 816         RS6000_CONSTRAINT_wy.
 817         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 818         (rs6000_init_hard_regno_mode_ok): Adjust.
 819         * config/rs6000/rs6000.md: Replace "wy" constraint by "wa" with "p8v".
 820         Use "<Fisa>" as "isa" in all alternatives that use "<Fv2>".
 821         (define_mode_attr Fisa): New.
 822         * config/rs6000/vsx.md: Replace "wy" constraint by "wa" with "p8v".
 823         * doc/md.texi (Machine Constraints): Adjust.
 824
 825 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 826
 827         * config/rs6000/constraints.md (define_register_constraint "wu"):
 828         Delete.
 829         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 830         RS6000_CONSTRAINT_wu.
 831         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 832         (rs6000_init_hard_regno_mode_ok): Adjust.
 833         * config/rs6000/rs6000.md: Replace "wu" constraint by "v" or "wa",
 834         both with "p8v".
 835         (define_mode_attr Fa): Delete.
 836         * config/rs6000/vsx.md: Ditto.
 837         * doc/md.texi (Machine Constraints): Adjust.
 838
 839 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 840
 841         * config/rs6000/constraints.md (define_register_constraint "wJ"):
 842         Delete.
 843         (define_register_constraint "wK"): Delete.
 844         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 845         RS6000_CONSTRAINT_wJ and RS6000_CONSTRAINT_wK.
 846         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 847         (rs6000_init_hard_regno_mode_ok): Adjust.
 848         * config/rs6000/rs6000.md: Replace "wJ" constraint by "wI" with "p9v".
 849         Replace "wK" constraint by "wH" with "p9v".
 850         * config/rs6000/vsx.md: Ditto.
 851         * doc/md.texi (Machine Constraints): Adjust.
 852
 853 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 854
 855         * config/rs6000/constraints.md (define_register_constraint "wb"):
 856         Delete.
 857         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 858         RS6000_CONSTRAINT_wb.
 859         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 860         (rs6000_init_hard_regno_mode_ok): Adjust.
 861         * config/rs6000/rs6000.md: Replace "wb" constraint by "v" with "p9v".
 862         * config/rs6000/vsx.md: Ditto.
 863         * doc/md.texi (Machine Constraints): Adjust.
 864
 865 2019-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
 866
 867         * config/rs6000/constraints.md (define_register_constraint "wo"):
 868         Delete.
 869         * config/rs6000/rs6000.h (enum r6000_reg_class_enum): Delete
 870         RS6000_CONSTRAINT_wo.
 871         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust.
 872         (rs6000_init_hard_regno_mode_ok): Adjust.
 873         * config/rs6000/rs6000.md: Replace "wo" constraint by "wa" with "p9v".
 874         * config/rs6000/altivec.md: Ditto.
 875         * doc/md.texi (Machine Constraints): Adjust.
 876
 877 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 878
 879         * config/darwin-c.c (darwin_register_objc_includes): Do not
 880         prepend the sysroot when building gnu-runtime header search
 881         paths.
 882
 883 2019-05-18  Iain Sandoe  <iain@sandoe.co.uk>
 884
 885         * config/darwin.c (darwin_file_end): Use switch_to_section ()
 886         instead of direct output of the asm.
 887
 888 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 889
 890         * config/rs6000/rs6000.c (restore_saved_cr): Change a boolean
 891         argument to be type bool (was int before).
 892         (rs6000_emit_epilogue): Simplify some code.  Declare some variables
 893         at first use.  Use type bool for some variables.  Fix a theoretical
 894         eh_return bug for svr4.
 895
 896 2019-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
 897
 898         * config/rs6000/rs6000.md (isa): New attribute.
 899         (enabled): New attribute.
 900
 901 2019-05-17  Max Filippov  <jcmvbkbc@gmail.com>
 902
 903         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
 904         assemble_start_function and assemble_end_function.
 905
 906 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 907
 908         PR middle-end/89433
 909         * omp-general.c (oacc_verify_routine_clauses): Change formal
 910         parameters.  Add checking if already marked with an OpenACC
 911         'routine' directive.  Adjust all users.
 912
 913         PR middle-end/89433
 914         * omp-general.c (oacc_build_routine_dims): Move some of its
 915         processing into...
 916         (oacc_verify_routine_clauses): ... this new function.
 917         * omp-general.h (oacc_verify_routine_clauses): New prototype.
 918
 919 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 920
 921         * config/rs6000/rs6000.c (machopic_output_stub): Adjust the
 922         formating of picbase labels to match other ports.
 923
 924 2019-05-17  Iain Sandoe  <iain@sandoe.co.uk>
 925
 926         * config/rs6000/rs6000.c (macho_branch_islands): Fix bad indent
 927         in the generated code.
 928
 929 2019-05-16  Martin Sebor  <msebor@redhat.com>
 930
 931         * builtins.c (expand_builtin_atomic_always_lock_free): Quote
 932         identifiers, keywords, operators, and types in diagnostics.  Correct
 933         quoting, spelling, and sentence capitalization issues.
 934         (expand_builtin_atomic_is_lock_free): Same.
 935         (fold_builtin_next_arg): Same.
 936         * cfgexpand.c (expand_one_var): Same.
 937         (tree_conflicts_with_clobbers_p): Same.
 938         (expand_asm_stmt): Same.
 939         (verify_loop_structure): Same.
 940         * cgraphunit.c (process_function_and_variable_attributes): Same.
 941         * collect-utils.c (collect_execute): Same.
 942         * collect2.c (maybe_run_lto_and_relink): Same.
 943         (is_lto_object_file): Same.
 944         (scan_prog_file): Same.
 945         * convert.c (convert_to_real_1): Same.
 946         * dwarf2out.c (dwarf2out_begin_prologue): Same.
 947         * except.c (verify_eh_tree): Same.
 948         * gcc.c (execute): Same.
 949         (eval_spec_function): Same.
 950         (run_attempt): Same.
 951         (driver::set_up_specs): Same.
 952         (compare_debug_auxbase_opt_spec_function): Same.
 953         * gcov-tool.c (unlink_gcda_file): Same.
 954         (do_merge): Same.
 955         (do_rewrite): Same.
 956         * gcse.c (gcse_or_cprop_is_too_expensive): Same.
 957         * gimplify.c (gimplify_asm_expr): Same.
 958         (gimplify_adjust_omp_clauses): Same.
 959         * hsa-gen.c (gen_hsa_addr_insns): Same.
 960         (gen_hsa_insns_for_load): Same.
 961         (gen_hsa_cmp_insn_from_gimple): Same.
 962         (gen_hsa_insns_for_operation_assignment): Same.
 963         (gen_get_level): Same.
 964         (gen_hsa_alloca): Same.
 965         (omp_simple_builtin::generate): Same.
 966         (gen_hsa_atomic_for_builtin): Same.
 967         (gen_hsa_insns_for_call): Same.
 968         * input.c (dump_location_info): Same.
 969         * ipa-devirt.c (compare_virtual_tables): Same.
 970         * ira.c (ira_setup_eliminable_regset): Same.
 971         * lra-assigns.c (lra_assign): Same.
 972         * lra-constraints.c (lra_constraints): Same.
 973         * lto-streamer-in.c (lto_input_mode_table): Same.
 974         * lto-wrapper.c (get_options_from_collect_gcc_options): Same.
 975         (merge_and_complain): Same.
 976         (compile_offload_image): Same.
 977         (compile_images_for_offload_targets): Same.
 978         (debug_objcopy): Same.
 979         (run_gcc): Same.
 980         (main): Same.
 981         * opts.c (print_specific_help): Same.
 982         (parse_no_sanitize_attribute): Same.
 983         (print_help): Same.
 984         (handle_param): Same.
 985         * plugin.c (add_new_plugin): Same.
 986         (parse_plugin_arg_opt): Same.
 987         (try_init_one_plugin): Same.
 988         * print-rtl.c (debug_bb_n_slim): Quote identifiers, keywords,
 989         operators, and types in diagnostics.  Correct quoting and spelling
 990         issues.
 991         * read-rtl-function.c (parse_edge_flag_token): Same.
 992         (function_reader::parse_enum_value): Same.
 993         * reg-stack.c (check_asm_stack_operands): Same.
 994         * regcprop.c (validate_value_data): Same.
 995         * sched-rgn.c (make_pass_sched_fusion): Same.
 996         * stmt.c (check_unique_operand_names): Same.
 997         * targhooks.c (default_target_option_pragma_parse): Same.
 998         * tlink.c (recompile_files): Same.
 999         * toplev.c (process_options): Same.
1000         (do_compile): Same.
1001         * trans-mem.c (diagnose_tm_1): Same.
1002         (ipa_tm_scan_irr_block): Same.
1003         (ipa_tm_diagnose_transaction): Same.
1004         * tree-cfg.c (verify_address): Same.  Use get_tree_code_name to
1005         format a tree code name in a diagnostic.
1006         (verify_types_in_gimple_min_lval): Same.
1007         (verify_types_in_gimple_reference): Same.
1008         (verify_gimple_call): Same.
1009         (verify_gimple_assign_unary): Same.
1010         (verify_gimple_assign_binary): Same.
1011         (verify_gimple_assign_ternary): Same.
1012         (verify_gimple_assign_single): Same.
1013         (verify_gimple_switch): Same.
1014         (verify_gimple_label): Same.
1015         (verify_gimple_phi): Same.
1016         (verify_gimple_in_seq): Same.
1017         (verify_eh_throw_stmt_node): Same.
1018         (collect_subblocks): Same.
1019         (gimple_verify_flow_info): Same.
1020         (do_warn_unused_result): Same.
1021         * tree-inline.c (expand_call_inline): Same.
1022         * tree-into-ssa.c (update_ssa): Same.
1023         * tree.c (tree_int_cst_elt_check_failed): Same.
1024         (tree_vec_elt_check_failed): Same.
1025         (omp_clause_operand_check_failed): Same.
1026         (verify_type_variant): Same.
1027         (verify_type): Same.
1028         * value-prof.c (verify_histograms): Same.
1029         * varasm.c (assemble_start_function): Same.
1030
1031 2019-05-16  Martin Sebor  <msebor@redhat.com>
1032
1033         * config/i386/i386-expand.c (get_element_number): Quote keywords
1034         and other internal names in diagnostics.  Adjust other diagnostic
1035         formatting issues noted by -Wformat-diag.
1036         * config/i386/i386-features.c
1037         (ix86_mangle_function_version_assembler_name): Same.
1038         * config/i386/i386-options.c (ix86_handle_abi_attribute): Same.
1039         * config/i386/i386.c (ix86_function_type_abi): Same.
1040         (ix86_function_ms_hook_prologue): Same.
1041         (classify_argument): Same.
1042         (ix86_expand_prologue): Same.
1043         (ix86_md_asm_adjust): Same.
1044         (ix86_memmodel_check): Same.
1045
1046 2019-05-17  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1047
1048         * config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
1049         TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
1050         and fpxx modes.
1051
1052 2019-05-17  H.J. Lu  <hongjiu.lu@intel.com>
1053
1054         PR target/90497
1055         * config/i386/i386-expand.c (ix86_expand_builtin): Enable MMX
1056         intrinsics without SSE/SSE2/SSSE3.
1057         * config/i386/mmx.md (mmx_uavgv8qi3): Restore TARGET_3DNOW
1058         check.
1059         (*mmx_uavgv8qi3): Likewise.
1060
1061 2019-05-17  Richard Biener  <rguenther@suse.de>
1062
1063         * gimple-pretty-print.c (dump_ternary_rhs): Handle dumping
1064         VEC_PERM_EXPR as __VEC_PERM with -gimple.
1065
1066 2019-05-17  Andreas Krebbel  <krebbel@linux.ibm.com>
1067
1068         * config/s390/s390-builtins.def (s390_vec_sldw_*): Use the
1069         vec_sldw insn pattern.
1070
1071 2019-05-17  Richard Biener  <rguenther@suse.de>
1072
1073         * ccmp.c (expand_ccmp_expr_1): Do not use gimple_assign_rhs_to_tree.
1074
1075 2019-05-17  Martin Liska  <mliska@suse.cz>
1076
1077         PR driver/90496
1078         * toplev.c (output_stack_usage): With LTO and sanitizer it
1079         happens that a global ctor (_GLOBAL__sub_I_00099_0_main)
1080         has no file location.
1081
1082 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1083
1084         PR c++/90484
1085         * tree-ssa-scopedtables.c (equal_mem_array_ref_p): Don't assert that
1086         sz0 is equal to sz1, instead return false in that case.
1087
1088         * omp-low.c (lower_rec_input_clauses): If OMP_CLAUSE_IF
1089         has non-constant expression, force sctx.lane and use two
1090         argument IFN_GOMP_SIMD_LANE instead of single argument.
1091         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't DCE
1092         two argument IFN_GOMP_SIMD_LANE without lhs.
1093         * tree-vectorizer.h (struct _loop_vec_info): Add simd_if_cond
1094         member.
1095         (LOOP_VINFO_SIMD_IF_COND, LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND):
1096         Define.
1097         (LOOP_REQUIRES_VERSIONING): Or in
1098         LOOP_REQUIRES_VERSIONING_FOR_SIMD_IF_COND.
1099         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize
1100         simd_if_cond.
1101         (vect_analyze_loop_2): Punt if LOOP_VINFO_SIMD_IF_COND is constant 0.
1102         * tree-vect-loop-manip.c (vect_loop_versioning): Add runtime check
1103         from simd if clause if needed.
1104
1105 2019-05-16  Richard Biener  <rguenther@suse.de>
1106
1107         * tree-affine.c (expr_to_aff_combination): New function split
1108         out from...
1109         (tree_to_aff_combination): ... here.
1110         (aff_combination_expand): Avoid building a GENERIC tree.
1111
1112 2019-05-16  Max Filippov  <jcmvbkbc@gmail.com>
1113
1114         * cgraphunit.c (cgraph_node::expand_thunk): Remove
1115         assemble_start_function and assemble_end_function calls.
1116         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
1117         assemble_start_function and assemble_end_function.
1118         * config/arc/arc.c (arc_output_mi_thunk): Likewise.
1119         * config/arm/arm.c (arm_output_mi_thunk): Likewise.
1120         * config/bfin/bfin.c (bfin_output_mi_thunk): Likewise.
1121         * config/c6x/c6x.c (c6x_output_mi_thunk): Likewise.
1122         * config/cris/cris.c (cris_asm_output_mi_thunk): Likewise.
1123         * config/csky/csky.c (csky_output_mi_thunk): Likewise.
1124         * config/epiphany/epiphany.c (epiphany_output_mi_thunk): Likewise.
1125         * config/frv/frv.c (frv_asm_output_mi_thunk): Likewise.
1126         * config/i386/i386.c (x86_output_mi_thunk): Likewise.
1127         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1128         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1129         * config/microblaze/microblaze.c (microblaze_asm_output_mi_thunk):
1130         Likewise.
1131         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1132         * config/mmix/mmix.c (mmix_asm_output_mi_thunk): Likewise.
1133         * config/mn10300/mn10300.c (mn10300_asm_output_mi_thunk): Likewise.
1134         * config/nds32/nds32.c (nds32_asm_output_mi_thunk): Likewise.
1135         * config/nios2/nios2.c (nios2_asm_output_mi_thunk): Likewise.
1136         * config/or1k/or1k.c (or1k_output_mi_thunk): Likewise.
1137         * config/pa/pa.c (pa_asm_output_mi_thunk): Likewise.
1138         * config/riscv/riscv.c (riscv_output_mi_thunk): Likewise.
1139         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1140         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1141         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1142         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1143         * config/spu/spu.c (spu_output_mi_thunk): Likewise.
1144         * config/stormy16/stormy16.c (xstormy16_asm_output_mi_thunk):
1145         Likewise.
1146         * config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
1147         * config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
1148         * config/vax/vax.c (vax_output_mi_thunk): Likewise.
1149
1150 2019-05-16  Jan Hubicka  <hubicka@ucw.cz>
1151
1152         * tree-ssa-alias.c (alias_stats): Add
1153         aliasing_component_refs_p_may_alias and
1154         aliasing_component_refs_p_no_alias.
1155         (dump_alias_stats): Print aliasing_component_refs_p stats.
1156         (aliasing_component_refs_p): Update stats.
1157
1158 2019-05-16  Martin Liska  <mliska@suse.cz>
1159
1160         PR lto/90500
1161         * multiple_target.c (expand_target_clones): Do not allow
1162         target_clones being used with a symbol that is an alias.
1163
1164 2019-05-16  Vladislav Ivanishin  <vlad@ispras.ru>
1165
1166         PR tree-optimization/90394
1167         * tree-ssa-uninit.c (is_pred_expr_subset_of): Potentially give false
1168         positives rather than ICE for cases where (code2 == NE_EXPR
1169         && code1 == BIT_AND_EXPR).
1170
1171 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
1172
1173         PR fortran/90329
1174         * tree-core.h (struct tree_decl_common): Document
1175         decl_nonshareable_flag for PARM_DECLs.
1176         * tree.h (DECL_HIDDEN_STRING_LENGTH): Define.
1177         * calls.c (expand_call): Don't try tail call if caller
1178         has any DECL_HIDDEN_STRING_LENGTH PARM_DECLs that are or might be
1179         passed on the stack and callee needs to pass any arguments on the
1180         stack.
1181         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1182         else if instead of series of mutually exclusive ifs.  Handle
1183         DECL_HIDDEN_STRING_LENGTH for PARM_DECLs.
1184         * tree-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
1185
1186         * lto-streamer.h (LTO_major_version): Bump to 9.
1187
1188 2019-05-16  Jun Ma <JunMa@linux.alibaba.com>
1189
1190         PR tree-optimization/90106
1191         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds): Add
1192         new parameter as new internal function call, also move it to new
1193         basic block.
1194         (use_internal_fn): Pass internal function call to
1195         shrink_wrap_one_built_in_call_with_conds.
1196
1197 2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1198
1199         * omp-low.c (lower_rec_input_clauses): For if (0) or simdlen (1) set
1200         max_vf to 1.
1201         * omp-expand.c (expand_omp_simd): For if (0) or simdlen (1) clear
1202         safelen_int and set loop->dont_vectorize.
1203
1204 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1205
1206         PR target/89021
1207         * config/i386/i386-builtin.def: Enable MMX intrinsics with
1208         SSE/SSE2/SSSE3.
1209         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
1210         Likewise.
1211         * config/i386/i386-expand.c (ix86_expand_builtin): Allow
1212         SSE/SSE2/SSSE3 to emulate MMX intrinsics with TARGET_MMX_WITH_SSE.
1213         * config/i386/mmintrin.h: Only require SSE2 if __MMX_WITH_SSE__
1214         is defined.
1215
1216 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1217
1218         PR target/89021
1219         * config/i386/mmx.md (*vec_dupv2sf): Changed to
1220         define_insn_and_split to support SSE emulation.
1221         (*vec_extractv2sf_0): Likewise.
1222         (*vec_extractv2sf_1): Likewise.
1223         (*vec_extractv2si_0): Likewise.
1224         (*vec_extractv2si_1): Likewise.
1225         (*vec_extractv2si_zext_mem): Likewise.
1226         (vec_setv2sf): Also allow TARGET_MMX_WITH_SSE.
1227         (vec_extractv2sf_1 splitter): Likewise.
1228         (vec_extractv2sfsf): Likewise.
1229         (vec_setv2si): Likewise.
1230         (vec_extractv2si_1 splitter): Likewise.
1231         (vec_extractv2sisi): Likewise.
1232         (vec_setv4hi): Likewise.
1233         (vec_extractv4hihi): Likewise.
1234         (vec_setv8qi): Likewise.
1235         (vec_extractv8qiqi): Likewise.
1236         (vec_extractv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1237         TARGET_MMX_WITH_SSE ix86_expand_vector_extract.
1238         (vec_extractv2sisi): Likewise.
1239         (vec_extractv4hihi): Likewise.
1240         (vec_extractv8qiqi): Likewise.
1241         (vec_initv2sfsf): Also allow TARGET_MMX_WITH_SSE.  Pass
1242         TARGET_MMX_WITH_SSE to ix86_expand_vector_init.
1243         (vec_initv2sisi): Likewise.
1244         (vec_initv4hihi): Likewise.
1245         (vec_initv8qiqi): Likewise.
1246         (vec_setv2si): Also allow TARGET_MMX_WITH_SSE.  Pass
1247         TARGET_MMX_WITH_SSE to ix86_expand_vector_set.
1248         (vec_setv4hi): Likewise.
1249         (vec_setv8qi): Likewise.
1250
1251 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1252
1253         PR target/89021
1254         * config/i386/mmx.md (MMXMODE:mov<mode>): Also allow
1255         TARGET_MMX_WITH_SSE.
1256         (MMXMODE:*mov<mode>_internal): Likewise.
1257         (MMXMODE:movmisalign<mode>): Likewise.
1258
1259 2019-05-15  Uroš Bizjak  <ubizjak@gmail.com>
1260
1261         PR target/89021
1262         * config/i386/i386.md (*zero_extendsidi2): Add mmx_isa attribute.
1263         * config/i386/sse.md (sse2_cvtpi2pd): Ditto.
1264         (sse2_cvtpd2pi): Ditto.
1265         (sse2_cvttpd2pi): Ditto.
1266         (*vec_concatv2sf_sse4_1): Ditto.
1267         (*vec_concatv2sf_sse): Ditto.
1268         (*vec_concatv2si_sse4_1): Ditto.
1269         (*vec_concatv2si): Ditto.
1270         (*vec_concatv4si_0): Ditto.
1271         (*vec_concatv2di_0): Ditto.
1272
1273 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1274
1275         PR target/89021
1276         * config/i386/sse.md (abs<mode>2): Add SSE emulation.
1277
1278 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1279
1280         PR target/89021
1281         * config/i386/sse.md (ssse3_palignrdi): Changed to
1282         define_insn_and_split to support SSE emulation.
1283
1284 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1285
1286         PR target/89021
1287         * config/i386/sse.md (ssse3_psign<mode>3): Add SSE emulation.
1288
1289 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1290
1291         PR target/89021
1292         * config/i386/sse.md (ssse3_pshufbv8qi3): Changed to
1293         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1294         SSE emulation.
1295
1296 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1297
1298         PR target/89021
1299         * config/i386/sse.md (ssse3_pmulhrswv4hi3): Require TARGET_MMX
1300         or TARGET_MMX_WITH_SSE.
1301         (*ssse3_pmulhrswv4hi3): Add SSE emulation.
1302
1303 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1304
1305         PR target/89021
1306         * config/i386/sse.md (ssse3_pmaddubsw): Add SSE emulation.
1307
1308 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1309
1310         PR target/89021
1311         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>dv2si3):
1312         Changed to define_insn_and_split to support SSE emulation.
1313
1314 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1315
1316         PR target/89021
1317         * config/i386/sse.md (ssse3_ph<plusminus_mnemonic>wv4hi3):
1318         Changed to define_insn_and_split to support SSE emulation.
1319
1320 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1321
1322         PR target/89021
1323         * config/i386/mmx.md (mmx_<emms>): Renamed to ...
1324         (*mmx_<emms>): This.
1325         (mmx_<emms>): New expander.
1326
1327 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1328
1329         PR target/89021
1330         * config/i386/mmx.md (sse2_umulv1siv1di3): Add SSE emulation
1331         support.
1332         (*sse2_umulv1siv1di3): Add SSE2 emulation.
1333
1334 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1335
1336         PR target/89021
1337         * config/i386/mmx.md (sse_movntq): Add SSE2 emulation.
1338
1339 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1340
1341         PR target/89021
1342         * config/i386/mmx.md (mmx_psadbw): Add SSE emulation.
1343
1344 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1345
1346         PR target/89021
1347         * config/i386/mmx.md (mmx_uavgv4hi3): Also check TARGET_MMX and
1348         TARGET_MMX_WITH_SSE.
1349         (*mmx_uavgv4hi3): Add SSE emulation.
1350
1351 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         PR target/89021
1354         * config/i386/mmx.md (mmx_uavgv8qi3): Also check TARGET_MMX
1355         and TARGET_MMX_WITH_SSE.
1356         (*mmx_uavgv8qi3): Add SSE emulation.
1357
1358 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1359
1360         PR target/89021
1361         * config/i386/xmmintrin.h: Emulate MMX maskmovq with SSE2
1362         maskmovdqu for __MMX_WITH_SSE__.
1363
1364 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1365
1366         PR target/89021
1367         * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
1368         TARGET_MMX and TARGET_MMX_WITH_SSE.
1369         (*mmx_umulv4hi3_highpart): Add SSE emulation.
1370
1371 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1372
1373         PR target/89021
1374         * config/i386/mmx.md (mmx_pmovmskb): Changed to
1375         define_insn_and_split to support SSE emulation.
1376
1377 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1378
1379         PR target/89021
1380         * config/i386/mmx.md (mmx_<code>v4hi3): Also check TARGET_MMX
1381         and TARGET_MMX_WITH_SSE.
1382         (mmx_<code>v8qi3): Likewise.
1383         (smaxmin:<code>v4hi3): New.
1384         (umaxmin:<code>v8qi3): Likewise.
1385         (smaxmin:*mmx_<code>v4hi3): Add SSE emulation.
1386         (umaxmin:*mmx_<code>v8qi3): Likewise.
1387
1388 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1389
1390         PR target/89021
1391         * config/i386/mmx.md (mmx_pinsrw): Also check TARGET_MMX and
1392         TARGET_MMX_WITH_SSE.
1393         (*mmx_pinsrw): Add SSE emulation.
1394
1395 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1396
1397         PR target/89021
1398         * config/i386/mmx.md (mmx_pextrw): Add SSE emulation.
1399
1400 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1401
1402         PR target/89021
1403         * config/i386/sse.md (sse_cvtpi2ps): Changed to
1404         define_insn_and_split.  Also allow TARGET_MMX_WITH_SSE.  Add
1405         SSE emulation.
1406
1407 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1408
1409         PR target/89021
1410         * config/i386/sse.md (sse_cvtps2pi): Add SSE emulation.
1411         (sse_cvttps2pi): Likewise.
1412
1413 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1414
1415         PR target/89021
1416         * config/i386/mmx.md (mmx_pshufw): Also check TARGET_MMX and
1417         TARGET_MMX_WITH_SSE.
1418         (mmx_pshufw_1): Add SSE emulation.
1419         (*vec_dupv4hi): Changed to define_insn_and_split and also allow
1420         TARGET_MMX_WITH_SSE to support SSE emulation.
1421
1422 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1423
1424         PR target/89021
1425         * config/i386/constraints.md (Yw): New constraint.
1426         * config/i386/mmx.md (*vec_dupv2si): Changed to
1427         define_insn_and_split and also allow TARGET_MMX_WITH_SSE to
1428         support SSE emulation.
1429
1430 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1431
1432         PR target/89021
1433         * config/i386/mmx.md (mmx_eq<mode>3): Also allow
1434         TARGET_MMX_WITH_SSE.
1435         (*mmx_eq<mode>3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1436         support.
1437         (mmx_gt<mode>3): Likewise.
1438
1439 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1440
1441         PR target/89021
1442         * config/i386/mmx.md (mmx_andnot<mode>3): Also allow
1443         TARGET_MMX_WITH_SSE.  Add SSE support.
1444
1445 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1446
1447         PR target/89021
1448         * config/i386/mmx.md (any_logic:mmx_<code><mode>3): Also allow
1449         TARGET_MMX_WITH_SSE.
1450         (any_logic:<code><mode>3): New.
1451         (any_logic:*mmx_<code><mode>3): Also allow TARGET_MMX_WITH_SSE.
1452         Add SSE support.
1453
1454 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1455
1456         PR target/89021
1457         * config/i386/mmx.md (mmx_ashr<mode>3): Also allow
1458         TARGET_MMX_WITH_SSE.  Add SSE emulation.
1459         (mmx_<shift_insn><mode>3): Likewise.
1460         (ashr<mode>3): New.
1461         (<shift_insn><mode>3): Likewise.
1462
1463 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1464
1465         PR target/89021
1466         * config/i386/mmx.md (mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.
1467         (*mmx_pmaddwd): Also allow TARGET_MMX_WITH_SSE.  Add SSE support.
1468
1469 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1470
1471         PR target/89021
1472         * config/i386/mmx.md (mmx_smulv4hi3_highpart): Also allow
1473         TARGET_MMX_WITH_SSE.
1474         (*mmx_smulv4hi3_highpart): Also allow TARGET_MMX_WITH_SSE. Add
1475         SSE support.
1476
1477 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1478
1479         PR target/89021
1480         * config/i386/mmx.md (mmx_mulv4hi3): Also allow
1481         TARGET_MMX_WITH_SSE.
1482         (mulv4hi3): New.
1483         (*mmx_mulv4hi3): Also allow TARGET_MMX_WITH_SSE.  Add SSE
1484         support.
1485
1486 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1487
1488         PR target/89021
1489         * config/i386/mmx.md (MMXMODEI8): Require TARGET_SSE2 for V1DI.
1490         (plusminus:mmx_<plusminus_insn><mode>3): Check
1491         TARGET_MMX_WITH_SSE.
1492         (sat_plusminus:mmx_<plusminus_insn><mode>3): Likewise.
1493         (<plusminus_insn><mode>3): New.
1494         (*mmx_<plusminus_insn><mode>3): Add SSE emulation.
1495         (*mmx_<plusminus_insn><mode>3): Likewise.
1496
1497 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1498
1499         PR target/89021
1500         * config/i386/i386-expand.c (ix86_split_mmx_punpck): New function.
1501         * config/i386/i386-protos.h (ix86_split_mmx_punpck): New
1502         prototype.
1503         * config/i386/mmx.m (mmx_punpckhbw): Changed to
1504         define_insn_and_split to support SSE emulation.
1505         (mmx_punpcklbw): Likewise.
1506         (mmx_punpckhwd): Likewise.
1507         (mmx_punpcklwd): Likewise.
1508         (mmx_punpckhdq): Likewise.
1509         (mmx_punpckldq): Likewise.
1510
1511 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1512             Uros Bizjak  <ubizjak@gmail.com>
1513
1514         PR target/89021
1515         * config/i386/i386-expand.c (ix86_move_vector_high_sse_to_mmx):
1516         New function.
1517         (ix86_split_mmx_pack): Likewise.
1518         * config/i386/i386-protos.h (ix86_move_vector_high_sse_to_mmx):
1519         New prototype.
1520         (ix86_split_mmx_pack): Likewise.
1521         * config/i386/i386.md (mmx_isa): New.
1522         (enabled): Also check mmx_isa.
1523         * config/i386/mmx.md (any_s_truncate): New code iterator.
1524         (s_trunsuffix): New code attr.
1525         (mmx_packsswb): Removed.
1526         (mmx_packssdw): Likewise.
1527         (mmx_packuswb): Likewise.
1528         (mmx_pack<s_trunsuffix>swb): New define_insn_and_split to emulate
1529         MMX packsswb/packuswb with SSE2.
1530         (mmx_packssdw): Likewise.
1531         * config/i386/predicates.md (register_mmxmem_operand): New.
1532
1533 2019-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1534
1535         PR target/89021
1536         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1537         __MMX_WITH_SSE__ for TARGET_MMX_WITH_SSE.
1538         * config/i386/i386.c (ix86_set_reg_reg_cost): Add support for
1539         TARGET_MMX_WITH_SSE with VALID_MMX_REG_MODE.
1540         (ix86_vector_mode_supported_p): Likewise.
1541         * config/i386/i386.h (TARGET_MMX_WITH_SSE): New.
1542
1543 2019-05-15  Martin Liska  <mliska@suse.cz>
1544
1545         PR middle-end/90478
1546         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1547         Check for overflow.
1548
1549 2019-05-15  Richard Biener  <rguenther@suse.de>
1550
1551         * tree-into-ssa.c (pass_build_ssa::execute): Run
1552         update_address_taken before going into SSA.
1553
1554 2019-05-15  Richard Biener  <rguenther@suse.de>
1555
1556         * tree-pretty-print.c (dump_generic_node): Dump BIT_FIELD_REF
1557         as __BIT_FIELD_REF with type with -gimple.
1558
1559 2019-05-15  Vladislav Ivanishin  <vlad@ispras.ru>
1560
1561         * tree-ssa-uninit.c (is_value_included_in): Remove is_unsigned and merge
1562         semantically equivalent branches (left over after prior refactorings).
1563
1564 2019-05-15  Richard Biener  <rguenther@suse.de>
1565
1566         PR tree-optimization/88828
1567         * tree-ssa-forwprop.c (simplify_vector_constructor): Fix
1568         bogus check.
1569
1570 2019-05-14  Richard Biener  <rguenther@suse.de>
1571
1572         * tree-pretty-print.c (dump_generic_node): Dump VIEW_CONVERT_EXPR
1573         as __VIEW_CONVERT with -gimple.
1574
1575 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1576
1577         PR target/82920
1578         * config/i386/darwin.h (CC1_SPEC): Report -mx32 as an error for
1579         Darwin.
1580
1581 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1582
1583         * config/rs6000/rs6000.md (eh_set_lr_<mode>): Merge with following
1584         define_split to become a define_insn_and_split.
1585
1586 2019-05-14  Segher Boessenkool  <segher@kernel.crashing.org>
1587
1588         * config/rs6000/rs6000-protos.h (rs6000_emit_epilogue): Change
1589         arguments.
1590         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Change arguments.
1591         * config/rs6000/rs6000.md (epilogue_type): New define_enum.
1592         (sibcall_epilogue): Adjust.
1593         (epilogue): Adjust.
1594
1595 2019-05-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1596
1597         * config.gcc: Move *-*-solaris2.10* from obsolete configurations
1598         to unsupported ones.
1599         Simplify x86_64-*-solaris2.1[0-9]* to x86_64-*-solaris2*.
1600         * config.host: Likewise.
1601         * config/i386/sol2.h (ASM_COMMENT_START): Remove.
1602         * config/sparc/driver-sparc.c (host_detect_local_cpu) [__sun__ &&
1603         __svr4__]: Remove "brand" fallback.
1604         [!KSTAT_DATA_STRING]: Remove.
1605         * configure.ac (gcc_cv_ld_hidden): Simplify *-*-solaris2.1[0-9]*
1606         to *-*-solaris2*.
1607         (comdat_group): Likewise.
1608         (set_have_as_tls): Likewise.
1609         (gcc_cv_target_dl_iterate_phdr): Likewise.
1610         (gcc_cv_as_shf_merge): Remove Solaris 10/x86 workaround.
1611         (gcc_cv_ld_aligned_shf_merge): Remove Solaris 10/SPARC workaround.
1612         * configure: Regenerate.
1613         * doc/install.texi: Simplify Solaris target triplets.
1614         (Specific, i?86-*-solaris2*): Remove Solaris 10 references.
1615         (Specific, *-*-solaris2*): Document Solaris 10 removal.
1616         Remove Solaris 10 references.
1617         Remove obsolete Solaris bug reference.
1618         (Specific, sparc-sun-solaris2.10): Remove.
1619
1620 2019-05-14  Uroš Bizjak  <ubizjak@gmail.com>
1621
1622         * config/i386/i386.md (any_div): New code iterator.
1623         (paired_mod): New code attribute.
1624         (sgnprefix): Handle DIV and UDIV RTXes.
1625         (u): Ditto.
1626         (<u>divmod<mode>4): Macroize expander from divmod<mode>4
1627         and udivmod<mode>4 patterns using any_div code iterator.
1628         (divmod splitters): Macroize splitters using any_div code iterator.
1629         (*udivmodsi4_pow2_zext_1): Use exactl_log2 in insn condition.
1630         (*udivmodsi4_pow2_zext_2): Ditto.
1631         (*<u>divmod<mode>4_noext): Macroize insn from *divmod<mode>4_noext
1632         and *udivmod<mode>4_noext patterns using any_div code iterator.
1633         (*<u>divmod<mode>4_noext_zext_1): Macroize insn from
1634         *divmod<mode>4_noext_zext_1 and *udivmod<mode>4_noext_zext_1
1635         patterns using any_div code iterator.
1636         (*<u>divmod<mode>4_noext_zext_2): Macroize insn from
1637         *divmod<mode>4_noext_zext_2 and *udivmod<mode>4_noext_zext_2
1638         patterns using any_div code iterator.
1639         (<u>divmodhiqi3): Macroize insn from divmodhiqi3 and
1640         udivmodhiqi3 patterns using any_extend code iterator.
1641
1642 2019-05-14  Richard Biener  <rguenther@suse.de>
1643             H.J. Lu  <hongjiu.lu@intel.com>
1644
1645         PR tree-optimization/88828
1646         * tree-ssa-forwprop.c (simplify_vector_constructor): Handle
1647         permuting in a single non-constant element not extracted
1648         from a vector.
1649
1650 2019-05-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
1651
1652         * internal-fn.def (SIGNBIT): New.
1653         * config/aarch64/aarch64-simd.md (signbitv2sf2): New expand
1654         defined.
1655         (signbitv4sf2): Likewise.
1656
1657 2019-05-14  Chenghua Xu  <paul.hua.gm@gmail.com>
1658
1659         PR target/90357
1660         * config/mips/mips.c (mips_split_move): Skip forward SRC into
1661         next insn when the SRC reg is dead.
1662
1663 2019-05-14  Bin Cheng  <bin.cheng@linux.alibaba.com>
1664
1665         * gimple-ssa-strength-reduction.c (lookup_cand): Adjust index by 1.
1666         (alloc_cand_and_find_basis): Ditto.
1667         (backtrace_base_for_ref, create_mul_ssa_cand): Remove if-then-else.
1668         (create_mul_imm_cand, create_add_ssa_cand): Ditto.
1669         (create_add_imm_cand, slsr_process_cast): Ditto.
1670         (slsr_process_copy, replace_mult_candidate): Ditto.
1671         (replace_rhs_if_not_dup, replace_one_candidate): Ditto.
1672         (dump_cand_vec, analyze_candidates_and_replace): Skip NULL element.
1673         (pass_strength_reduction::execute): Init the first NULL element.
1674
1675 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1676
1677         * gcc.c (execute): Simplify cond-expr into if.  Reformat comment.
1678         (run_attempt): Reformat line break.
1679
1680 2019-05-13  David Edelsohn  <dje.gcc@gmail.com>
1681
1682         PR target/90418
1683         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Don't load EH
1684         data registers in sibcall epilogues.
1685         Don't add EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1686
1687 2019-05-13  Uroš Bizjak  <ubizjak@gmail.com>
1688
1689         PR target/89221
1690         * configure.ac (--enable-frame-pointer):
1691         Disable by default for cygwin and mingw.
1692         * configure: Regenerate.
1693
1694 2019-05-13  Nathan Sidwell  <nathan@acm.org>
1695
1696         * dwarf2out.c (breakout_comdat_types): Move comment to correct
1697         piece of code.
1698         (const_ok_for_output_1): Balance parens around #if/#else/#endif
1699         (gen_member_die): Move abstract origin check earlier.  Only VARs
1700         can be static_inline_p.  Simplify splicing control flow.
1701
1702 2019-05-13  Richard Biener  <rguenther@suse.de>
1703
1704         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle
1705         VIEW_CONVERT_EXPR.
1706         (vect_build_slp_tree_1): Likewise.
1707
1708 2019-05-13  Richard Biener  <rguenther@suse.de>
1709
1710         PR tree-optimization/90402
1711         * tree-if-conv.c (tree_if_conversion): Value number only
1712         the loop body by making the latch an exit of the region
1713         as well.
1714         * tree-ssa-sccvn.c (process_bb): Add flag whether to skip
1715         processing PHIs.
1716         (do_rpo_vn): Deal with multiple edges into the entry block
1717         that are not backedges inside the region by skipping PHIs
1718         of the entry block.
1719
1720 2019-05-13  Richard Biener  <rguenther@suse.de>
1721
1722         PR tree-optimization/90316
1723         * tree-ssa-pre.c (insert_aux): Fold into ...
1724         (insert): ... this function.  Use a RPO walk to reduce the
1725         number of required iterations.
1726
1727 2019-05-13  Martin Liska  <mliska@suse.cz>
1728
1729         PR tree-optimization/90416
1730         * tree-vect-stmts.c (vect_check_load_store_mask): Concatenate
1731         string instead of passing the second part as va_arg argument.
1732
1733 2019-05-13  Martin Liska  <mliska@suse.cz>
1734
1735         PR gcov-profile/90380
1736         * gcov.c (handle_cycle): Do not support zero cycle count,
1737         it should not be possible.
1738         (path_contains_zero_cycle_arc): New function.
1739         (circuit): Ignore zero cycle arc counts.
1740
1741 2019-05-13  Martin Liska  <mliska@suse.cz>
1742
1743         PR gcov-profile/90380
1744         * gcov.c (enum loop_type): Remove the enum and
1745         the operator.
1746         (handle_cycle): Assert that we should not reach
1747         a negative count.
1748         (circuit): Use loop_found instead of a tri-state loop_type.
1749         (get_cycles_count): Do not handle NEGATIVE_LOOP as it can't
1750         happen.
1751
1752 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1753
1754         PR target/82920
1755         * config/i386/i386.c (ix86_output_jmp_thunk_or_indirect): New.
1756         (ix86_output_indirect_branch_via_reg): Use output mechanism
1757         accounting for __USER_LABEL_PREFIX__.
1758         (ix86_output_indirect_branch_via_push): Likewise.
1759         (ix86_output_function_return): Likewise.
1760         (ix86_output_indirect_function_return): Likewise.
1761
1762 2019-05-12  Richard Sandiford  <richard.sandiford@arm.com>
1763
1764         * doc/md.texi: Document use of code attributes in rtx patterns.
1765         * read-md.h (rtx_reader::rtx_alloc_for_name): New member function.
1766         * read-rtl.c (find_code): Split out search loops into...
1767         (maybe_find_code): ...this new function.
1768         (check_code_iterator): Make the error message more informative.
1769         (check_code_attribute): New function.
1770         (rtx_reader::rtx_alloc_for_name): Likewise.
1771         (rtx_reader::read_rtx_code): Use rtx_alloc_for_name.
1772         * config/aarch64/predicates.md (aarch64_smin, aarch64_umin): Delete.
1773         * config/aarch64/aarch64-simd.md (*aarch64_<su>abd<mode>_3): Use
1774         <max_opp> directly as an rtx code instead of via a match_operator.
1775         * config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Likewise.
1776         (<su>abd<mode>_3): Update accordingly.
1777
1778 2019-05-12  Iain Sandoe  <iain@sandoe.co.uk>
1779
1780         * config/rs6000/rs6000.c (debug_stack_info): When -mdebug=stack
1781         is given, print the state of the EH "save world" computation for
1782         Darwin.
1783
1784 2019-05-11  Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR c++/59813
1787         * config/aarch64/aarch64.c (aarch64_expand_epilogue): Don't add
1788         EH_RETURN_STACKADJ_RTX to sp in sibcall epilogues.
1789
1790 2019-05-11  Uroš Bizjak  <ubizjak@gmail.com>
1791
1792         * config/i386/i386.md (floatdi<X87MODEF:mode>2_i387_with_xmm):
1793         Use pinsrd for TARGET_SSE4_1.
1794         * config/i386/sse.md (movdi_to_sse): Ditto.
1795
1796 2019-05-10  Richard Biener  <rguenther@suse.de>
1797
1798         * tree-ssa-sccvn.c (visit_reference_op_call): Initialize value-id.
1799         (do_rpo_vn): Initialize next_value_id.
1800
1801 2019-05-10  Martin Liska  <mliska@suse.cz>
1802
1803         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1804         Fix plural form.
1805
1806 2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR tree-optimization/90385
1809         * tree-parloops.c (try_create_reduction_list): Punt on non-SSA_NAME
1810         arguments of the exit phis.
1811
1812         PR c++/90383
1813         * tree-inline.h (struct copy_body_data): Add do_not_fold member.
1814         * tree-inline.c (remap_gimple_op_r): Avoid folding expressions if
1815         id->do_not_fold.
1816         (copy_tree_body_r): Likewise.
1817         (copy_fn): Set id.do_not_fold to true.
1818
1819 2019-05-10  Martin Liska  <mliska@suse.cz>
1820
1821         * config/i386/i386-expand.c (ix86_expand_floorceildf_32):
1822         Reapply changes from r269790.
1823
1824 2019-05-10  Martin Liska  <mliska@suse.cz>
1825
1826         PR middle-end/90340
1827         * doc/invoke.texi: New params.
1828         * params.def (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SIZE): New.
1829         (PARAM_JUMP_TABLE_MAX_GROWTH_RATIO_FOR_SPEED): Likewise.
1830         * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
1831         Use it.
1832         * tree-switch-conversion.h (struct jump_table_cluster):
1833         Likewise.
1834
1835 2019-05-09  Segher Boessenkool  <segher@kernel.crashing.org>
1836
1837         * combine.c (combine_simplify_rtx): Don't make IF_THEN_ELSE RTL.
1838
1839 2019-05-09  Bill Schmidt  <wschmidt@linux.ibm.com>
1840
1841         * doc/loop.texi: Remove reference to FOR_EACH_LOOP_BREAK.
1842
1843 2019-05-09  Alexander Monakov  <amonakov@ispras.ru>
1844
1845         PR rtl-optimization/88879
1846         * sel-sched.c (sel_target_adjust_priority): Remove assert.
1847
1848 2019-05-09  Richard Earnshaw  <rearnsha@arm.com>
1849
1850         PR target/90405
1851         * config/arm/arm.c (callee_saved_reg_p): Move before
1852         thumb_find_work_register.
1853         (thumb1_prologue_unused_call_clobbered_lo_regs): Move before
1854         thumb_find_work_register.  Only call df_get_live_out once.
1855         (thumb1_epilogue_unused_call_clobbered_lo_regs): Likewise.
1856         (thumb_find_work_register): Use
1857         thumb1_prologue_unused_call_clobbered_lo_regs instead of ad hoc
1858         algorithms to locate a spare call clobbered reg.
1859
1860 2019-05-09  Martin Liska  <mliska@suse.cz>
1861
1862         * gimple-pretty-print.c (dump_binary_rhs): Dump MIN_EXPR
1863         and MAX_EXPR in GIMPLE FE format.
1864
1865 2019-05-09  Martin Liska  <mliska@suse.cz>
1866
1867         * tree-cfg.c (dump_function_to_file): Dump entry BB count.
1868         * gimple-pretty-print.c (dump_gimple_bb_header):
1869         Dump BB count.
1870         (pp_cfg_jump): Dump edge probability.
1871         * profile-count.c (profile_quality_as_string): Simplify
1872         with a static array.
1873         (parse_profile_quality): New function.
1874         (profile_count::dump): Simplify with a static array.
1875         (profile_count::from_gcov_type): Add new argument.
1876         * profile-count.h (parse_profile_quality): Likewise.
1877         * predict.h (set_hot_bb_threshold): New.
1878         * params.def (PARAM_GIMPLE_FE_COMPUTED_HOT_BB_THRESHOLD):
1879         New param.
1880         * predict.c (get_hot_bb_threshold): Set from the new param.
1881         (set_hot_bb_threshold): New.
1882
1883 2019-05-09  Richard Biener  <rguenther@suse.de>
1884
1885         PR tree-optimization/90395
1886         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not
1887         rewrite vector stores that throw internally.
1888
1889 2019-05-09  Thomas Schwinge  <thomas@codesourcery.com>
1890
1891         * cif-code.def (CHKP): Remove.
1892
1893         PR target/89221
1894         * configure.ac (--enable-frame-pointer): Disable by default for
1895         GNU systems.
1896         * configure: Regenerate.
1897
1898 2019-05-09  Alan Modra  <amodra@gmail.com>
1899
1900         PR target/89271
1901         * config/rs6000/rs6000.h (enum reg_class, REG_CLASS_NAMES),
1902         (REG_CLASS_CONTENTS): Add GEN_OR_VSX_REGS class.
1903         * config/rs6000/rs6000.c (rs6000_register_move_cost): Correct
1904         cost for general <-> vsx when direct moves are available.
1905         Cost union classes at minimal cost for any reg in the class.
1906         Correct calculation for moves between vsx, float, and altivec.
1907         Don't return a low cost for moves between special regs.  Don't
1908         use hard coded register numbers.
1909         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): Define.
1910         (rs6000_ira_change_pseudo_allocno_class): New function.
1911         * config/rs6000/rs6000.md (movsi_internal1, mov<mode>_internal),
1912         (movdi_internal32, movdi_internal64): Remove '*' from vsx register
1913         alternatives.
1914         (movsi_internal1): Don't disparage vector alternatives.
1915         (mov<mode>_internal): Likewise, excepting alternative that
1916         will be split.
1917         * config/rs6000/vsx.md (vsx_splat_<mode>_reg): Don't disparage
1918         we <- b alternative.
1919
1920 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR c++/59813
1923         PR tree-optimization/89060
1924         * tree-ssa-live.h (live_vars_map): New typedef.
1925         (compute_live_vars, live_vars_at_stmt, destroy_live_vars): Declare.
1926         * tree-ssa-live.c: Include gimple-walk.h and cfganal.h.
1927         (struct compute_live_vars_data): New type.
1928         (compute_live_vars_visit, compute_live_vars_1, compute_live_vars,
1929         live_vars_at_stmt, destroy_live_vars): New functions.
1930         * tree-tailcall.c: Include tree-ssa-live.h.
1931         (live_vars, live_vars_vec): New global variables.
1932         (find_tail_calls): Perform variable life analysis before punting.
1933         (tree_optimize_tail_calls_1): Clean up live_vars and live_vars_vec.
1934         * tree-inline.h (struct copy_body_data): Add eh_landing_pad_dest
1935         member.
1936         * tree-inline.c (add_clobbers_to_eh_landing_pad): Remove BB argument.
1937         Perform variable life analysis to select variables that really need
1938         clobbers added.
1939         (copy_edges_for_bb): Don't call add_clobbers_to_eh_landing_pad here,
1940         instead set id->eh_landing_pad_dest and assert it is the same.
1941         (copy_cfg_body): Call it here if id->eh_landing_pad_dest is non-NULL.
1942
1943 2019-05-08  Mihail Ionescu  <mihail.ionescu@arm.com>
1944             Richard Earnshaw  <rearnsha@arm.com>
1945
1946         PR target/88167
1947         * config/arm/arm.c (thumb1_prologue_unused_call_clobbered_lo_regs): New
1948         function.
1949         (thumb1_epilogue_unused_call_clobbered_lo_regs): New function.
1950         (thumb1_compute_save_core_reg_mask): Don't force a spare work
1951         register if both the epilogue and prologue can use call-clobbered
1952         regs.
1953         (thumb1_unexpanded_epilogue): Use
1954         thumb1_epilogue_unused_call_clobbered_lo_regs.  Reverse the logic for
1955         picking temporaries for restoring high regs to match that of the
1956         prologue where possible.
1957         (thumb1_expand_prologue): Add any usable call-clobbered low registers to
1958         the list of work registers.  Detect if the return address is still live
1959         at the end of the prologue and avoid using it for a work register if so.
1960         If the return address is not live, add LR to the list of pushable regs
1961         after the first pass.
1962
1963 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1964
1965         PR tree-optimization/90078
1966         * tree-ssa-loop-ivopts.c (inttypes.h): Include new header file.
1967         (INFTY): Increase the value for infinite cost.
1968         (struct comp_cost): Promote type of members to int64_t.
1969         (infinite_cost): Don't set complexity in initialization.
1970         (comp_cost::operator +,-,+=,-+,/=,*=): Assert when cost computation
1971         overflows to infinite_cost.
1972         (adjust_setup_cost): Promote type of parameter and cost computation
1973         to int64_t.
1974         (struct ainc_cost_data, struct iv_ca): Promote type of member to
1975         int64_t.
1976         (get_scaled_computation_cost_at, determine_iv_cost): Promote type of
1977         cost computation to int64_t.
1978         (determine_group_iv_costs, iv_ca_dump, find_optimal_iv_set): Use
1979         int64_t's format specifier in dump.
1980
1981 2019-05-08  Bin Cheng  <bin.cheng@linux.alibaba.com>
1982
1983         PR tree-optimization/90240
1984         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Scale cost
1985         with respect to scaling factor pre-computed for each basic block.
1986         (try_improve_iv_set): Return bool if best_cost equals to iv_ca cost.
1987         (find_optimal_iv_set_1): Free iv_ca set if it has infinite_cost.
1988         (COST_SCALING_FACTOR_BOUND, determine_scaling_factor): New.
1989         (tree_ssa_iv_optimize_loop): Call determine_scaling_factor.  Extend
1990         live range for array of loop's basic blocks.  Cleanup aux field of
1991         loop's basic blocks.
1992
1993 2019-05-08  Jakub Jelinek  <jakub@redhat.com>
1994
1995         PR tree-optimization/90356
1996         * match.pd ((X +/- 0.0) +/- 0.0): Optimize into X +/- 0.0 if possible.
1997
1998 2019-05-07  Wei Xiao  <wei3.xiao@intel.com>
1999
2000         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET
2001         OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New.
2002         (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET.
2003         (ix86_handle_option): Handle -mavx512bf16.
2004         * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h
2005         to extra_headers.
2006         * config/i386/avx512bf16vlintrin.h: New.
2007         * config/i386/avx512bf16intrin.h: New.
2008         * config/i386/cpuid.h (bit_AVX512BF16): New.
2009         * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16.
2010         * config/i386/i386-builtin-types.def: Add new types.
2011         * config/i386/i386-builtin.def: Add new builtins.
2012         * config/i386/i386-c.c (ix86_target_macros_internal): Define
2013         __AVX512BF16__.
2014         * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16.
2015         (ix86_option_override_internal): Handle BF16.
2016         (ix86_valid_target_attribute_inner_p): Ditto.
2017         * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto.
2018         * config/i386/i386-builtin.c (enum processor_features): Add
2019         F_AVX512BF16.
2020         (static const _isa_names_table isa_names_table): Ditto.
2021         * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New.
2022         (PTA_AVX512BF16): Ditto.
2023         * config/i386/i386.opt: Add -mavx512bf16.
2024         * config/i386/immintrin.h: Include avx512bf16intrin.h
2025         and avx512bf16vlintrin.h.
2026         * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>,
2027         avx512f_cvtneps2bf16_<mode><mask_name>,
2028         avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns.
2029         * config/i386/subst.md (mask_half): Add new subst.
2030         * doc/invoke.texi: Document -mavx512bf16.
2031
2032 2019-05-07  Segher Boessenkool  <segher@kernel.crashing.org>
2033
2034         * config/rs6000/rs6000-protos.h (rs6000_legitimize_reload_address_ptr):
2035         Delete declaration.
2036         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Delete.
2037         (rs6000_debug_legitimize_reload_address): Delete.
2038         (rs6000_legitimize_reload_address_ptr): Delete.
2039         (rs6000_option_override_internal): Adjust.
2040         (mem_operand_gpr): Adjust comment.
2041         (legitimate_lo_sum_address_p): Ditto.
2042         (rs6000_legitimize_reload_address): Delete.
2043         (rs6000_debug_legitimize_reload_address): Delete.
2044         * config/rs6000/rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Delete.
2045
2046 2019-05-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2047
2048         PR target/89765
2049         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2050         In handling of ALTIVEC_BUILTIN_VEC_INSERT, use modular arithmetic
2051         to compute vector element selector for both constant and variable
2052         operands.
2053
2054 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2055
2056         * config/i386/i386.md (cvt_mnemonic): New mode attribute.
2057         (ashr<mode>3_cvt): Merge insn pattern from ashrsi3_cvt and
2058         ashrdi3_cvt using SWI48 mode iterator.
2059
2060 2019-05-07  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2061
2062         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): New define_expand.
2063         (aarch64_<su>abd<mode>_3): Likewise.
2064         (*aarch64_<su>abd<mode>_3): New define_insn.
2065         (<sur>sad<vsi2qi>): New define_expand.
2066         * config/aarch64/iterators.md: Added MAX_OPP attribute.
2067         * tree-vect-loop.c (use_mask_by_cond_expr_p): Add SAD_EXPR.
2068         (build_vect_cond_expr): Likewise.
2069
2070 2019-05-07  Uroš Bizjak  <ubizjak@gmail.com>
2071
2072         * cfgexpand.c (asm_clobber_reg_is_valid): Reject
2073         clobbers outside of accessible_reg_set.
2074         * config/i386/i386.c (ix86_conditional_register_usage):
2075         Disable register sets by clearing corresponding bits in
2076         accessible_reg_set.  Do not set corresponding bits in fixed_regs,
2077         call_used_regs and don't clear corresponding reg_names array members.
2078
2079 2019-05-07  Richard Biener  <rguenther@suse.de>
2080
2081         * tree-vect-stmts.c (vect_is_simple_cond): When vectype is
2082         not specified still compute a comp_vectype for invariant
2083         compares.
2084
2085 2019-05-07  Richard Biener  <rguenther@suse.de>
2086
2087         PR tree-optimization/90316
2088         * tree-ssa-pre.c (translate_vuse_through_block): When
2089         same_valid is NULL do not bother to search for a virtual
2090         PHI continuation.
2091         (phi_translate_1): When operands changed we cannot keep
2092         the same value-number so do not bother to ask whether
2093         that's possible from translate_vuse_through_block.
2094
2095 2019-05-07  Martin Liska  <mliska@suse.cz>
2096
2097         * bitmap.c (bitmap_register): Come up with
2098         alloc_descriptor_max_uid and assign it for
2099         a new bitmap.
2100         (register_overhead): Use get_descriptor as
2101         a descriptor.
2102         (release_overhead): New.
2103         (bitmap_elem_to_freelist): Call it.
2104         (bitmap_elt_clear_from): Likewise.
2105         (bitmap_obstack_free): Likewise.
2106         (bitmap_move): Sensitively release memory.
2107         * bitmap.h (struct GTY): Add alloc_descriptor and padding.
2108         (bitmap_initialize): Initialize alloc_descriptor to zero.
2109         * tree-ssa-pre.c (do_hoist_insertion): Use bitmap_move.
2110
2111 2019-05-07  Richard Biener  <rguenther@suse.de>
2112
2113         * tree-vect-slp.c (vect_build_slp_tree_2): Bump size whenever
2114         we build a SLP node.  Remove max_size and limiting.
2115         (vect_analyze_slp_instance): Record and dump size of the SLP graph.
2116
2117 2019-05-07  Richard Biener  <rguenther@suse.de>
2118
2119         PR tree-optimization/90316
2120         * tree-ssa-alias.h (get_continuation_for_phi): Take walking
2121         limit by reference.
2122         (walk_non_aliased_vuses): Take walking limit argument.
2123         * tree-ssa-alias.c (maybe_skip_until): Take limit and abort
2124         walking if it is reached instead of just counting.
2125         (get_continuation_for_phi): Likewise.
2126         (walk_non_aliased_vuses): Likewise, instead of leaving counter
2127         limiting to the callback.
2128         * tree-ssa-sccvn.c (vn_reference_lookup_2): Adjust.
2129         (vn_reference_lookup_3): Likewise.
2130         (vn_reference_lookup_pieces): Likewise.
2131         (vn_reference_lookup): Likewise.
2132         * tree-ssa-pre.c (translate_vuse_through_block): Limit walking.
2133         * tree-ssa-scopedtables.c (vuse_eq): Adjust.
2134         (avail_exprs_stack::lookup_avail_expr): Likewise.
2135
2136 2019-05-07  Jan Hubicka  <hubicka@ucw.cz>
2137
2138         * tree-ssa-alias.c (aliasing_component_refs_p): Continue looking
2139         for comparaible types in the second direction even if first one
2140         hits incomparable type.
2141
2142 2019-05-07  Richard Biener  <rguenther@suse.de>
2143
2144         PR lto/90369
2145         * lto-wrapper.c (debug_objcopy): Use the original filename
2146         including archive offset for the filename used for -save-temps.
2147
2148 2019-05-07  Li Jia He  <helijia@linux.ibm.com>
2149
2150         * tree-ssa-phiopt.c (two_value_replacement): Fix a typo in parameter
2151         detection.
2152
2153 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2154
2155         * config/rs6000/rs6000.md (FIRST_ALTIVEC_REGNO, LAST_ALTIVEC_REGNO)
2156         (LR_REGNO, CTR_REGNO, CA_REGNO, ARG_POINTER_REGNUM, CR0_REGNO)
2157         (CR1_REGNO, CR2_REGNO, CR3_REGNO, CR4_REGNO, CR5_REGNO, CR6_REGNO)
2158         (CR7_REGNO, MAX_CR_REGNO, VRSAVE_REGNO, VSCR_REGNO)
2159         (FRAME_POINTER_REGNUM): Change numbering.
2160         * config/rs6000/rs6000.c (rs6000_reg_names): Adjust.
2161         (alt_reg_names): Adjust.
2162         (rs6000_conditional_register_usage): Don't mark hard register 64 as
2163         fixed.
2164         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2165         (DWARF_FRAME_REGISTERS): Delete.
2166         (DWARF2_FRAME_REG_OUT): Fix whitespace.
2167         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2168         Adjust.
2169         (REG_ALLOC_ORDER): Adjust.
2170         (FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM): Adjust.
2171         (REG_CLASS_CONTENTS): Adjust.
2172         (RETURN_ADDR_RTX): Change comment.
2173         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use ARG_POINTER_REGNUM
2174         instead of 67.
2175         (REGISTER_NAMES): Adjust.
2176         (ADDITIONAL_REGISTER_NAMES): Adjust.
2177         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2178
2179 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2180
2181         * config/rs6000/rs6000.md (TFHAR_REGNO, TFIAR_REGNO, TEXASR_REGNO):
2182         Delete.
2183         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Adjust.
2184         (DWARF_FRAME_REGISTERS): Adjust.
2185         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2186         Adjust.
2187         (REG_ALLOC_ORDER): Adjust.
2188         (enum reg_class): Delete SPR_REGS.
2189         (REG_CLASS_NAMES): Delete SPR_REGS.
2190         (REG_CLASS_CONTENTS): Delete SPR_REGS.  Adjust for deleted TM regs.
2191         (REGISTER_NAMES): Adjust.
2192         (ADDITIONAL_REGISTER_NAMES): Adjust.
2193         * config/rs6000/darwin.h (REGISTER_NAMES): Adjust.
2194         * config/rs6000/htm.md (htm_mfspr_<mode>, htm_mtspr_<mode>): Adjust.
2195         * config/rs6000/predicates.md (htm_spr_reg_operand): Delete.
2196         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Adjust.
2197         (htm_spr_regno): Delete.
2198         (htm_expand_builtin): Adjust: the HTM builtins now have one fewer
2199         argument.
2200         (rs6000_dbx_register_number): Adjust.
2201
2202 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2203
2204         * config/rs6000/rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): Delete.
2205
2206 2019-05-06  Segher Boessenkool  <segher@kernel.crashing.org>
2207
2208         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Handle
2209         FRAME_POINTER_REGNUM, ARG_POINTER_REGNUM, and 64 (which was MQ).
2210
2211 2019-05-06  Jakub Jelinek  <jakub@redhat.com>
2212
2213         PR tree-optimization/88709
2214         PR tree-optimization/90271
2215         * params.def (PARAM_STORE_MERGING_MAX_SIZE): New parameter.
2216         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Handle
2217         non-clobber CONSTRUCTORs with no elts.  Remove useless tmp_int
2218         variable.
2219         (imm_store_chain_info::coalesce_immediate_stores): Punt if the size
2220         of the store merging group is larger than
2221         PARAM_STORE_MERGING_MAX_SIZE parameter.
2222         (split_group): Add bzero_first argument.  If set, always emit first
2223         the first store which must be = {} of the whole area and then for the
2224         rest of the stores consider all zero bytes as paddings.
2225         (imm_store_chain_info::output_merged_store): Check if first store
2226         is = {} of the whole area and if yes, determine which setting of
2227         bzero_first for split_group gives smaller number of stores.  Adjust
2228         split_group callers.
2229         (lhs_valid_for_store_merging_p): Allow decls.
2230         (rhs_valid_for_store_merging_p): Allow non-clobber CONTRUCTORs with
2231         no elts.
2232         (pass_store_merging::process_store): Likewise.
2233
2234 2019-05-06  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2235
2236         PR target/89424
2237         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Add
2238         handling of V1TImode.
2239
2240 2019-05-06  Uroš Bizjak  <ubizjak@gmail.com>
2241
2242         PR target/89221
2243         * config.gcc (i[34567]86-*-*, x86_64-*-*): Move tests for enable_cld
2244         and enable_frame_pointer ...
2245         * configure.ac: ... here.  Update help strings for
2246         --enable-frame-pointer.
2247         * configure: Regenerate.
2248         * config/i386/i386-options.c (ix86_option_override_internal): Remove
2249         USE_X86_64_FRAME_POINTER define, use USE_IX86_FRAME_POINTER instead.
2250         * config/i386/sol2.h (USE_IX86_FRAME_POINTER): Remove.
2251         (USE_X86_64_FRAME_POINTER): Ditto.
2252
2253 2019-05-06  Martin Liska  <mliska@suse.cz>
2254
2255         * config.gcc: Append to target_gtfiles and fix indentation.
2256
2257 2019-05-06  Richard Biener  <rguenther@suse.de>
2258
2259         PR tree-optimization/90358
2260         * tree-vect-stmts.c (get_group_load_store_type): Properly
2261         detect unused upper half of load.
2262         (vectorizable_load): Likewise.
2263
2264 2019-05-06  Richard Biener  <rguenther@suse.de>
2265
2266         PR tree-optimization/88828
2267         * tree-ssa-forwprop.c (get_bit_field_ref_def): Split out from...
2268         (simplify_vector_constructor): ...here.  Handle constants in
2269         the constructor.
2270
2271 2019-05-06  Richard Biener  <rguenther@suse.de>
2272
2273         PR tree-optimization/90328
2274         * tree-data-ref.h (dr_may_alias_p): Pass in the actual loop nest.
2275         * tree-data-ref.c (dr_may_alias_p): Check whether the clique
2276         is valid in the loop nest before using it.
2277         (initialize_data_dependence_relation): Adjust.
2278         * graphite-scop-detection.c (build_alias_set): Pass the SCOP enclosing
2279         loop as loop-nest to dr_may_alias_p.
2280
2281 2019-05-06  Richard Biener  <rguenther@suse.de>
2282
2283         * dwarf2out.c (mem_loc_descriptor): Initialize int_mode.
2284
2285 2019-05-06  Richard Biener  <rguenther@suse.de>
2286
2287         PR tree-optimization/90316
2288         * tree-ssa-alias.c (maybe_skip_until): Pass in target BB,
2289         compute target on demand.
2290         (get_continuation_for_phi): Remove code walking stmts to
2291         get to a target virtual operand which could end up being
2292         quadratic.
2293
2294 2019-05-06  Martin Liska  <mliska@suse.cz>
2295
2296         PR sanitizer/90312
2297         * config/i386/i386-options.c (ix86_option_override_internal): Error only
2298         when -mabi is selected to a non-default version.
2299
2300 2019-05-06  Hrishikesh Kulkarni  <hrishikeshparag@gmail.com>
2301             Martin Liska  <mliska@suse.cz>
2302
2303         * Makefile.in: Add lto-dump.texi.
2304         * cgraph.h: Add new functions get_visibility_string and
2305         get_symtab_type_string.
2306         * doc/gcc.texi: Include lto-dump section.
2307         * doc/lto-dump.texi: New file.
2308         * dumpfile.c (dump_switch_p_1): Use parse_dump_option.
2309         (parse_dump_option): Factor out this function.
2310         * dumpfile.h (enum dump_flag): Add new value TDF_ERROR.
2311         (parse_dump_option): Export the function.
2312         * symtab.c (symtab_node::get_visibility_string): New function.
2313         (symtab_node::get_symtab_type_string): Likewise.
2314
2315 2019-05-06  Martin Liska  <mliska@suse.cz>
2316
2317         * config/i386/i386-builtins.c: New file.
2318         * config/i386/i386-builtins.h: New file.
2319         * config/i386/i386-expand.c: New file.
2320         * config/i386/i386-expand.h: New file.
2321         * config/i386/i386-features.c: New file.
2322         * config/i386/i386-features.h: New file.
2323         * config/i386/i386-options.c: New file.
2324         * config/i386/i386-options.h: New file.
2325         * config.gcc: Add new files into extra_objs and
2326         target_gtfiles.
2327         * config/i386/i386.c: Split content of the file
2328         into newly introduced files.
2329         * config/i386/i386.h: Declare common variables
2330         and macros.
2331         * config/i386/t-i386: Define dependencies for new files.
2332
2333 2019-05-03  Richard Earnshaw  <rearnsha@arm.com>
2334
2335         PR target/89400
2336         * config/arm/arm.md (unaligned_loadsi): Add variant for thumb1.
2337         Restrict 'all' variant to 32-bit configurations.
2338         (unaligned_loadhiu): Likewise.
2339         (unaligned_storehi): Likewise.
2340         (unaligned_storesi): Likewise.
2341         (unaligned_loadhis): Disable when compiling for thumb1.
2342
2343 2019-05-03  Marc Glisse  <marc.glisse@inria.fr>
2344
2345         PR tree-optimization/90269
2346         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
2347         Ignore clobbers.
2348
2349 2019-05-03  Martin Liska  <mliska@suse.cz>
2350
2351         * hash-map.h: Add is_empty function.
2352         * hash-set.h: Likewise.
2353         * hash-table.h: Likewise.
2354         * dwarf2out.c (dwarf2out_finish): Use is_empty instead of
2355         elements () == 0 (and similar usages).
2356         * gimple-ssa-store-merging.c (pass_store_merging::terminate_and_process_all_chains): Likewise.
2357         * gimplify.c (gimplify_bind_expr): Likewise.
2358         (gimplify_switch_expr): Likewise.
2359         * hash-map-tests.c (test_map_of_strings_to_int): Likewise.
2360         * ipa-icf.c (sem_item_optimizer::remove_symtab_node): Likewise.
2361         * postreload-gcse.c (dump_hash_table): Likewise.
2362         (gcse_after_reload_main): Likewise.
2363         * predict.c (combine_predictions_for_bb): Likewise.
2364         * tree-parloops.c (reduction_phi): Likewise.
2365         (separate_decls_in_region): Likewise.
2366         (transform_to_exit_first_loop): Likewise.
2367         (gen_parallel_loop): Likewise.
2368         (gather_scalar_reductions): Likewise.
2369         (try_create_reduction_list): Likewise.
2370         * var-tracking.c (dump_vars): Likewise.
2371         (emit_notes_for_changes): Likewise.
2372         (vt_emit_notes): Likewise.
2373
2374 2019-05-03  Richard Biener  <rguenther@suse.de>
2375
2376         PR tree-optimization/90316
2377         * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
2378         before running VN.
2379
2380 2019-05-03  Richard Biener  <rguenther@suse.de>
2381
2382         * tree-vect-stmts.c (get_group_load_store_type): Avoid
2383         peeling for gaps by loading only lower halves of vectors
2384         if possible.
2385         (vectorizable_load): Likewise.
2386
2387 2019-05-03  Richard Biener  <rguenther@suse.de>
2388
2389         PR middle-end/89518
2390         * match.pd: Add pattern to optimize (A / B) * B + (A % B) to A.
2391
2392 2019-05-03  Richard Biener  <rguenther@suse.de>
2393
2394         PR middle-end/87314
2395         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)):
2396         Handle STRING_CST vs DECL or STRING_CST.
2397
2398 2019-05-03  Richard Biener  <rguenther@suse.de>
2399
2400         PR tree-optimization/88963
2401         * tree-ssa-forwprop.c (pass_forwprop::execute): Rewrite
2402         vector loads feeding only BIT_FIELD_REFs to component
2403         loads.  Rewrite stores fed by CONSTRUCTORs to component
2404         stores.
2405
2406 2019-05-03  Jakub Jelinek  <jakub@redhat.com>
2407
2408         * opts.h (finish_options): Remove lang_mask argument.
2409         (print_help, help_option_argument): Declare.
2410         * opts.c (print_help): Remove forward declaration, no longer static.
2411         (finish_options): Remove lang_mask argument, don't call print_help
2412         here.
2413         * opts-global.c (decode_options): Adjust finish_option caller, call
2414         print_help here.
2415
2416         PR tree-optimization/90303
2417         * ipa-devirt.c (obj_type_ref_class, get_odr_type): Don't use
2418         TYPE_CANONICAL for TYPE_STRUCTURAL_EQUALITY_P types in !in_lto_p mode.
2419
2420 2019-05-03  Richard Biener  <rguenther@suse.de>
2421
2422         PR tree-optimization/89698
2423         * gimple-fold.c (canonicalize_constructor_val): Early out
2424         for constants, handle unfolded INTEGER_CSTs as they appear in
2425         C++ virtual table ctors.
2426
2427 2019-05-03  Richard Biener  <rguenther@suse.de>
2428
2429         * passes.c (execute_function_todo): Remove dead code.
2430
2431 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2432
2433         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Do not use
2434         the internal register number, for any "real" register.
2435
2436 2019-05-02  Segher Boessenkool  <segher@kernel.crashing.org>
2437
2438         * config/rs6000/rs6000.c (rs6000_dbx_register_number): Return the
2439         correct numbers for TFHAR, TFIAR, TEXASR.
2440
2441 2019-05-02  Richard Biener  <rguenther@suse.de>
2442
2443         PR tree-optimization/89653
2444         * tree-ssa-loop.c (pass_data_tree_loop_init): Execute
2445         update-address-taken before the pass.
2446         * passes.def (pass_tree_loop_init): Put comment before it.
2447
2448 2019-05-02  Richard Biener  <rguenther@suse.de>
2449
2450         PR tree-optimization/89509
2451         * tree-ssa-structalias.c (compute_dependence_clique): Look
2452         at the first subvar when determining whether it is restrict.
2453
2454 2019-05-02  Richard Biener  <rguenther@suse.de>
2455
2456         PR tree-optimization/90273
2457         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Eliminate
2458         useless debug stmts.
2459
2460 2019-05-02  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
2461
2462         * config/aarch64/aarch64-sve.md (<sur>dot_prod<vsi2qi>): Taken from SVE
2463         ACLE branch.
2464         * config/aarch64/iterators.md: Copied Vetype_fourth, VSI2QI and vsi2qi from
2465         SVE ACLE branch.
2466         * tree-vect-loop.c (use_mask_by_cond_expr_p): New function to check if a
2467         VEC_COND_EXPR be inserted to emulate a conditional internal function.
2468         (build_vect_cond_expr): Emit the VEC_COND_EXPR.
2469         (vectorizable_reduction): Use the functions above to vectorize in a
2470         fully masked loop codes that don't have a conditional internal
2471         function.
2472
2473 2019-05-02  Martin Liska  <mliska@suse.cz>
2474
2475         * cgraphclones.c: Call valid_attribute_p with 1 for
2476         target_clone.
2477         * config/i386/i386-c.c (ix86_pragma_target_parse): Use 0 as
2478         it's for target attribute.
2479         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
2480         Add new boolean argument.
2481         * config/i386/i386.c (ix86_valid_target_attribute_inner_p):
2482         Likewise.
2483         (ix86_valid_target_attribute_tree): Pass target_clone_attr
2484         to ix86_valid_target_attribute_inner_p.
2485         (ix86_valid_target_attribute_p): Pass flags argument to
2486         ix86_valid_target_attribute_inner_p.
2487         (get_builtin_code_for_version): Use 0 as it's target attribute.
2488
2489 2019-05-02  Martin Liska  <mliska@suse.cz>
2490
2491         * gcc.c (process_command): Add dummy file only
2492         if n_infiles == 0.
2493         * opts-global.c (decode_options): Pass lang_mask.
2494         * opts.c (print_help): New function.
2495         (finish_options): Print --help if help_option_argument
2496         is set.
2497         (common_handle_option): Factor out content of OPT__help_
2498         into print_help.
2499         * opts.h (finish_options): Add new argument.
2500
2501 2019-05-02  Martin Liska  <mliska@suse.cz>
2502
2503         PR target/88809
2504         * config/i386/i386.c (ix86_expand_strlen): Use strlen call.
2505         With -minline-all-stringops use inline expansion using 4B loop.
2506         * doc/invoke.texi: Document the change of
2507         -minline-all-stringops.
2508
2509 2019-05-01  Jeff Law  <law@redhat.com>
2510
2511         PR tree-optimization/88797
2512         * gimple-ssa-split-paths (is_feasible_trace): Reject cases where the
2513         PHI feeds a conditional on the RHS of an assignment.
2514
2515 2019-04-30  Andrew Waterman  <andrew@sifive.com>
2516             Jim Wilson  <jimw@sifive.com>
2517
2518         * config/riscv/constraints.md (L): New.
2519         * config/riscv/predicates.md (lui_operand): New.
2520         (sfb_alu_operand): New.
2521         * config/riscv/riscv-protos.h (riscv_expand_conditional_move): Declare.
2522         * config/riscv/riscv.c (riscv_expand_conditional_move): New.
2523         * config/riscv/riscv.h (TARGET_SFB_ALU): New.
2524         * config/riscv/risc.md (type): Add sfb_alu.
2525         (branch<mode>): Renamed from branch_order<mode>.  Change predicate for
2526         operand 3 to reg_or_0_operand.  In output string, change %3 to %z3.
2527         (branch_zero<mode>): Delete.
2528         (mov<mode>cc): New.
2529         (mov<GPR:mode><X:mode>cc): Likewise.
2530         * config/riscv/sifive-7.md (sifive_7_sfb_alu): New.  Use in bypasses.
2531
2532 2019-04-30  Nathan Sidwell  <nathan@acm.org>
2533
2534         * tree.h (MARK_TS_EXP): New.
2535
2536 2019-04-30  Martin Liska  <mliska@suse.cz>
2537
2538         * opts.c (enable_warning_as_error): Provide hints
2539         for unknown options.
2540
2541 2019-04-30  Martin Liska  <mliska@suse.cz>
2542
2543         PR debug/90288
2544         * doc/invoke.texi: Add missing dash for gas-locview-support
2545         and gno-as-locview-support.
2546
2547 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2548
2549         PR target/89093
2550         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Don't skip
2551         whitespace at the start of target attribute string.
2552
2553 2019-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2554
2555         PR target/86538
2556         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
2557         Define __ARM_FEATURE_ATOMICS.
2558
2559 2019-04-30  Martin Liska  <mliska@suse.cz>
2560
2561         * gimple-fold.c (gimple_fold_builtin_memory_op): Change endp
2562         into built_in_function enum. Remove code for endp == 2 and
2563         use BUILT_IN_* constants.
2564         (gimple_fold_builtin): Call the function with fcode.
2565
2566 2019-04-30  Martin Liska  <mliska@suse.cz>
2567
2568         * config/i386/i386.c (ix86_builtin_reciprocal): Cast
2569         DECL_FUNCTION_CODE into ix86_builtins enum before
2570         the switch statement.
2571
2572 2019-04-30  Jakub Jelinek  <jakub@redhat.com>
2573
2574         PR tree-optimization/89475
2575         * tree-ssa-ccp.c (evaluate_stmt): Handle BUILT_IN_BSWAP{16,32,64}
2576         calls.
2577
2578 2019-04-30  Martin Liska  <mliska@suse.cz>
2579
2580         PR translation/90274
2581         * opts.c (print_filtered_help): Wrap string in _(...).
2582
2583 2019-04-30  Bin Cheng  <bin.cheng@linux.alibaba.com>
2584
2585         PR tree-optimization/90240
2586         Revert:
2587         2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2588
2589         PR tree-optimization/90078
2590         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2591         checks for infinite_cost overflow.
2592
2593 2019-04-29  Jeff Law  <law@redhat.com>
2594
2595         * passes.def: Move -Wrestrict pass after copy propagation.
2596
2597 2019-04-29  Maya Rashish  <coypu@sdf.org>
2598
2599         * config.gcc (default_gnu_indirect_function): Default to yes
2600         for arm*-*-netbsd*, i[34567]86-*-netbsd*, powerpc*-*-netbsd*,
2601         sparc*-*-netbsd*, x86_64-*-netbsd*.
2602
2603 2019-04-29  Vladislav Ivanishin  <vlad@ispras.ru>
2604
2605         * tree-ssa-uninit.c (is_pred_expr_subset_of): Correctly handle cases
2606         where cond2 is NE_EXPR.
2607         (is_value_included_in): Update comment.
2608
2609 2019-04-29  Richard Biener  <rguenther@suse.de>
2610
2611         PR tree-optimization/90278
2612         * tree-ssa-forwprop.c (pass_forwprop::execute): Transfer/clean
2613         EH on comparison simplification.
2614
2615 2019-04-29  Jason Merrill  <jason@redhat.com>
2616
2617         PR c++/82081 - tail call optimization breaks noexcept
2618         * tree-tailcall.c (find_tail_calls): Don't turn a call from a
2619         nothrow function to a might-throw function into a tail call.
2620
2621 2019-04-29  Richard Sandiford  <richard.sandiford@arm.com>
2622
2623         * tree-data-ref.h (data_dependence_relation::inner_loop): Delete.
2624         (DDR_INNER_LOOP): Likewise.
2625         * tree-data-ref.c (dump_data_dependence_relation): Update accordingly.
2626         (initialize_data_dependence_relation): Likewise.
2627         (insert_innermost_unit_dist_vector): Use 0 instead of DDR_INNER_LOOP.
2628
2629 2019-04-29  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR rtl-optimization/90257
2632         * cfgrtl.c (flow_active_insn_p): Return true for USE of a function
2633         return value.
2634
2635         Revert the revert:
2636         2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2637
2638         PR target/90178
2639         Revert:
2640         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2641
2642         Revert the revert:
2643         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2644
2645         Revert:
2646         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2647
2648         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2649
2650 2019-04-29  Richard Biener  <rguenther@suse.de>
2651
2652         * tree-ssa.c (insert_debug_temp_for_var_def): For {CLOBBER}
2653         rhs issue a reset.
2654
2655 2019-04-27  Iain Buclaw  <ibuclaw@gdcproject.org>
2656
2657         * config/netbsd-d.c: Include memmodel.h.  Remove unused tree.h,
2658         varasm.h, and netbsd-protos.h.
2659
2660 2019-04-27  Uroš Bizjak  <ubizjak@gmail.com>
2661
2662         PR target/89261
2663         * config/i386/i386-protos.h (ix86_data_alignment): Change
2664         the second argument type to unsigned int.
2665         * config/i386/i386.c (ix86_data_alignment): Change "align"
2666         argument type to unsigned int.
2667
2668 2019-04-27  Martin Liska  <mliska@suse.cz>
2669
2670         PR middle-end/90258
2671         * opt-suggestions.c (option_proposer::build_option_suggestions):
2672         When get_valid_option_values returns empty values, add the
2673         misspelling candidate.
2674
2675 2019-04-26  Jim Wilson  <jimw@sifive.com>
2676
2677         * config/riscv/riscv-protos.h (riscv_move_integer): Add machine_mode
2678         parameter.
2679         * config/riscv/riscv.c (riscv_move_integer): New parameter orig_mode.
2680         Pass orig_mode to riscv_build_integer.
2681         (riscv_split_integer): Pass mode to riscv_move_integer.
2682         (riscv_legitimize_const_move): Likewise.
2683         (riscv_legitimize_move): For MEM dest and CONST_INT src case, new local
2684         promoted_mode.  Replace force_reg call with code to load constant into
2685         promoted reg and then subreg it for the store.
2686         * config/riscv/riscv.md (low<mode>+1): Pass <GPR:MODE>mode to
2687         riscv_move_integer.
2688
2689 2018-04-26  Eugene Sharygin  <eush@ispras.ru>
2690
2691         * gdbhooks.py: Fix UnicodeDecodeErrors when printing trees with
2692         corrupt codes.
2693
2694 2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>
2695
2696         * tree.h (TYPE_VECTOR_SUBPARTS, SET_TYPE_VECTOR_SUBPARTS): Add
2697         commentary about the encoding of precision.
2698
2699 2019-04-25  Andreas Tobler  <andreast@gcc.gnu.org>
2700
2701         * config/i386/freebsd64.h: Add bits for 32-bit multilib support.
2702         * config/i386/t-freebsd64: New file.
2703         * config.gcc: Add the t-freebsd64 for multilib support.
2704
2705 2019-04-25  Uroš Bizjak  <ubizjak@gmail.com>
2706
2707         * doc/extend.texi (vector_size): Add missing comma after @xref.
2708
2709 2019-04-25  Jakub Jelinek  <jakub@redhat.com>
2710
2711         * BASE-VER: Set to 10.0.0.
2712
2713 2019-04-25  Richard Biener  <rguenther@suse.de>
2714
2715         PR middle-end/89765
2716         * gimplify.c (gimplify_expr): Avoid turning a lvalue
2717         VIEW_CONVERT_EXPR into one operating on an rvalue.
2718
2719 2019-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2720
2721         PR target/89929
2722         * config/i386/i386.c (feature_priority): Moved to file scope.
2723         (processor_features): Likewise.
2724         (processor_model): Likewise.
2725         (_arch_names_table): Likewise.
2726         (arch_names_table): Likewise.
2727         (_feature_list): Removed.
2728         (feature_list): Likewise.
2729         (_isa_names_table): Moved to file scope.  Add priority.
2730         (isa_names_table): Likewise.
2731         (get_builtin_code_for_version): Replace feature_list with
2732         isa_names_table.  Update error message for P_ZERO priority.
2733
2734 2019-04-25  Richard Biener  <rguenther@suse.de>
2735
2736         * tree-pass.h (make_pass_phi_only_cprop): Remove.
2737         * timevar.def (TV_TREE_PHI_CPROP): Likewise.
2738
2739 2019-04-24  Jeff Law  <law@redhat.com>
2740
2741         PR tree-optimization/90037
2742         * Makefile.in (OBJS): Remove tree-ssa-phionlycprop.c
2743         * passes.def: Replace all instance of phi-only cprop with the
2744         lattice propagator.  Move propagation pass from after erroneous
2745         path isolation to before erroneous path isolation.
2746         * tree-ssa-phionlycprop.c: Remove.
2747
2748 2019-04-24  Richard Biener  <rguenther@suse.de>
2749
2750         PR middle-end/90213
2751         * gimple-fold.c (fold_const_aggregate_ref_1): Do multiplication
2752         by size and BITS_PER_UNIT on poly-wide-ints.
2753
2754 2019-04-25  Richard Biener  <rguenther@suse.de>
2755
2756         PR middle-end/90194
2757         * match.pd: Add pattern to simplify view-conversion of an
2758         empty constructor.
2759
2760 2019-04-24  Clement Chigot  <clement.chigot@atos.net>
2761
2762         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Disable
2763         OPTION_MASK_VSX and OPTION_MASK_ALTIVEC from rs6000_isa_flags
2764         for Go on 32 bit AIX.
2765         * config/rs6000/aix72.h: Likewise.
2766
2767 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR target/90193
2770         * rtl.c (classify_insn): Return JUMP_INSN for asm goto.
2771         * emit-rtl.c (try_split): Copy over REG_LABEL_TARGET.
2772
2773 2019-04-24  Andreas Krebbel  <krebbel@linux.ibm.com>
2774
2775         PR target/89952
2776         * config/s390/s390.c (s390_restore_gprs_from_fprs): Restore GPRs
2777         from FPRs in reverse order.  Generate REG_CFA_DEF_CFA note also
2778         for restored hard frame pointer.
2779         (s390_sched_dependencies_evaluation): Implement new target hook.
2780         (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New macro definition.
2781
2782 2019-04-24  Claudiu Zissulescu  <claziss@sysnopsys.com>
2783
2784         * config/arc/arc-options.def: Fix typos and spelling mistakes.
2785         * config/arc/arc.c (arc_init): Cleanup warning message.
2786         (arc_override_options): Likewise.
2787
2788 2019-04-24  Jakub Jelinek  <jakub@redhat.com>
2789
2790         PR target/90187
2791         * config/i386/i386.c (ix86_expand_sse_fp_minmax): Force if_true into
2792         a register if both if_true and if_false are MEMs.
2793
2794         PR tree-optimization/90208
2795         * tree-cfg.c (remove_bb): Move forced labels from removed bbs
2796         after labels of new_bb, not before them.
2797
2798         PR tree-optimization/90211
2799         * tree-parloops.c (try_create_reduction_list): Ignore phi arguments
2800         which are not SSA_NAMEs.
2801
2802 2018-04-23  Sudakshina Das  <sudi.das@arm.com>
2803
2804         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): Define for
2805         AArch64.
2806         (aarch64_file_end_indicate_exec_stack): Add gnu note section.
2807
2808 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2809
2810         PR rtl-optimization/87979
2811         * modulo-sched.c (sms_schedule): Start ii value "mii" should
2812         not equal zero.
2813
2814 2019-04-23  Roman Zhuykov  <zhroma@ispras.ru>
2815
2816         PR rtl-optimization/84032
2817         * modulo-sched.c (ps_insn_find_column): Change condition so that
2818         branch will always be the last insn in a row inside partial
2819         schedule.
2820
2821 2019-04-23  Richard Biener  <rguenther@suse.de>
2822
2823         PR debug/90131
2824         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Add
2825         dest_single_pred_p argument.
2826         (remove_forwarder_block): Adjust.
2827         (remove_forwarder_block_with_phi): Likewise.
2828
2829 2019-04-23  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2830             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2831             Jakub Jelinek  <jakub@redhat.com>
2832
2833         PR target/89093
2834         * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Diagnose
2835         if used with general-regs-only.
2836         (arm_conditional_register_usage): Don't add non-general regs if
2837         general-regs-only.
2838         (arm_valid_target_attribute_rec): Handle general-regs-only.
2839         * config/arm/arm.h (TARGET_HARD_FLOAT): Return false if
2840         general-regs-only.
2841         (TARGET_HARD_FLOAT_SUB): Define.
2842         (TARGET_SOFT_FLOAT): Define as negation of TARGET_HARD_FLOAT_SUB.
2843         (TARGET_REALLY_IWMMXT): Add && !TARGET_GENERAL_REGS_ONLY.
2844         (TARGET_REALLY_IWMMXT2): Likewise.
2845         * config/arm/arm.opt: Add -mgeneral-regs-only.
2846         * doc/extend.texi: Document ARM general-regs-only target.
2847         * doc/invoke.texi: Document ARM -mgeneral-regs-only.
2848
2849 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2850
2851         PR tree-optimization/90078
2852         * tree-ssa-loop-ivopts.c (comp_cost::operator +,-,+=,-+,/=,*=): Add
2853         checks for infinite_cost overflow.
2854
2855 2019-04-23  Bin Cheng  <bin.cheng@linux.alibaba.com>
2856
2857         PR tree-optimization/90021
2858         * tree-chrec.c (evolution_function_is_univariate_p): New parameter
2859         and check univariate against it.
2860         * tree-chrec.h (evolution_function_is_univariate_p): New parameter.
2861         * tree-data-ref.c (add_other_self_distances): Pass new argument.
2862
2863 2019-04-21  H.J. Lu  <hongjiu.lu@intel.com>
2864
2865         PR target/90178
2866         Revert:
2867         2018-11-21  Uros Bizjak  <ubizjak@gmail.com>
2868
2869         Revert the revert:
2870         2013-10-26  Vladimir Makarov  <vmakarov@redhat.com>
2871
2872         Revert:
2873         2013-10-25  Vladimir Makarov  <vmakarov@redhat.com>
2874
2875         * lra-spills.c (lra_final_code_change): Remove useless move insns.
2876
2877 2019-04-21  Iain Sandoe  <iain@sandoe.co.uk>
2878
2879         * config/rs6000/rs6000.md (group_end_nop): Emit insn register
2880         names using operand format, rather than hard-wired.
2881         (speculation_barrier): Likewise.
2882
2883 2019-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
2884
2885         PR tree-optimization/88055
2886         * tree-call-cdce.c (comparison_code_if_no_nans): New function.
2887         (gen_one_condition): Use it if !HONOR_NANS.
2888
2889 2019-04-19  Jakub Jelinek  <jakub@redhat.com>
2890
2891         PR middle-end/90139
2892         * tree-outof-ssa.c (get_temp_reg): If reg_mode is BLKmode, return
2893         assign_temp instead of gen_reg_rtx.
2894
2895 2019-04-19  Christophe Lyon  <christophe.lyon@linaro.org>
2896
2897         PR translation/90118
2898         * config/aarch64/aarch64.c (aarch64_override_options_internal):
2899         Add missing space before %<.
2900
2901 2019-04-18  Peter Bergner  <bergner@linux.ibm.com>
2902
2903         PR rtl-optimization/87871
2904         * ira-lives.c (make_object_dead): Don't add conflicts to
2905         TOTAL_CONFLICT_HARD_REGS for register ignore_reg_for_conflicts.
2906
2907 2019-04-18  Martin Sebor  <msebor@redhat.com>
2908
2909         PR middle-end/89797
2910         * tree.h (TYPE_VECTOR_SUBPARTS): Use HOST_WIDE_INT_1U.
2911         * config/aarch64/aarch64.c (aarch64_simd_vector_alignment): Avoid
2912         assuming type size fits in SHWI.
2913
2914 2019-04-18  Jan Hubicka  <hubicka@ucw.cz>
2915
2916         PR ipa/85051
2917         * ipa-inline.c (flatten_function): New parameter UPDATE.
2918         (ipa_inline, early_inliner): Use it.
2919
2920 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2921
2922         * fold-const.c (int_const_binop): Return early on failure.
2923
2924 2019-04-18  Richard Sandiford  <richard.sandiford@arm.com>
2925
2926         PR middle-end/85164
2927         * combine.c (force_int_to_mode): Cast the argument rather than
2928         the result of known_alignment.
2929         * rtlanal.c (rtx_addr_can_trap_p_1): Use known_subrange_p.
2930
2931 2019-04-18  Richard Biener  <rguenther@suse.de>
2932
2933         PR debug/90131
2934         * tree-cfgcleanup.c (move_debug_stmts_from_forwarder): Split
2935         out from ...
2936         (remove_forwarder_block): ... here.
2937         (remove_forwarder_block_with_phi): Also move debug stmts here.
2938
2939 2019-04-18  Jakub Jelinek  <jakub@redhat.com>
2940
2941         PR translation/79183
2942         * gimple-ssa-sprintf.c (format_directive): Use inform_n instead of
2943         inform where appropriate.
2944
2945 2019-04-18  Richard Biener  <rguenther@suse.de>
2946
2947         * tree.c (get_qualified_type): Put found type variants at the
2948         head of the variant list.
2949
2950 2018-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2951
2952         * config/rs6000/rs6000.c (rs6000_register_move_cost): Fix typo.
2953
2954 2019-04-17  Hongtao Liu  <hongtao.liu@intel.com>
2955
2956         PR target/90125
2957         * config/i386/avx512fintrin.h (_mm_maskz_fmadd_round_sd,
2958         _mm_maskz_fmadd_round_ss, _mm_maskz_fmsub_round_sd,
2959         _mm_maskz_fmsub_round_ss, _mm_maskz_fnmadd_round_sd,
2960         _mm_maskz_fnmadd_round_ss, _mm_maskz_fnmsub_round_sd,
2961         _mm_maskz_fnmsub_round_ss): Use _maskz builtin instead of _mask3.
2962
2963 2019-04-17  Peter Bergner  <bergner@linux.ibm.com>
2964
2965         * ira-conflicts.c (print_allocno_conflicts): Always print something,
2966         even for allocno's with no conflicts.
2967         (print_conflicts): Print an extra newline.
2968
2969 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2970
2971         * auto-inc-dec.c (attempt_change): Set the alignment of the
2972         temporary memory to that of the original.
2973
2974 2019-04-17  Joao Moreira  <jmoreira@suse.de>
2975
2976         * targhooks.c (default_print_patchable_function_entry): Emit
2977         __patchable_function_entries section with writable flags to allow
2978         relocation resolution.
2979
2980 2019-04-17  Jonny Grant  <jg@jguk.org>
2981
2982         * collect2.c (main): Change gcc.gnu.org URL to HTTPS.
2983
2984 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR middle-end/90095
2987         * internal-fn.c (expand_mul_overflow): Don't set SUBREG_PROMOTED_VAR_P
2988         on lowpart SUBREGs.
2989
2990 2019-04-17  Claudiu Zissulescu  <claziss@synopsys.com>
2991
2992         * config/arc/arc.c (arc_init): Format diagnostic string.
2993         (arc_override_options): Likewise.
2994         (check_if_valid_regno_const): Likewise.
2995         (arc_reorg): Likewise.
2996
2997 2019-04-17  Segher Boessenkool  <segher@kernel.crashing.org>
2998
2999         PR target/17108
3000         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Adjust pattern
3001         name.
3002         (rs6000_emit_allocate_stack_1): Simplify condition.  Adjust pattern
3003         name.
3004         * config/rs6000/rs6000.md (bits): Add entries for SF and DF.
3005         (*movdi_update1): Use Pmode.
3006         (movdi_<mode>_update): Fix argument to avoiding_indexed_address_p.
3007         (movdi_<mode>_update_stack): Rename to ...
3008         (movdi_update_stack): ... this.  Fix comment.  Change condition. Don't
3009         use Pmode.
3010         (*movsi_update1): Use Pmode.
3011         (*movsi_update2): Use Pmode.
3012         (movsi_update): Rename to ...
3013         (movsi_<mode>_update): ... this.  Use Pmode.
3014         (movsi_update_stack): Fix condition.
3015         (*movhi_update1): Use Pmode.  Fix argument to
3016         avoiding_indexed_address_p.
3017         (*movhi_update2): Ditto.
3018         (*movhi_update3): Ditto.
3019         (*movhi_update4): Ditto.
3020         (*movqi_update1): Ditto.
3021         (*movqi_update2): Ditto.
3022         (*movqi_update3): Ditto.
3023         (*movsf_update1, *movdf_update1): Merge, rename to...
3024         (*mov<mode>_update1): This.  Use Pmode.  Fix argument to
3025         avoiding_indexed_address_p.  Add "size" attribute.
3026         (*movsf_update2, *movdf_update2): Merge, rename to...
3027         (*mov<mode>_update2): This.  Ditto.
3028         (*movsf_update3): Use Pmode.  Fix argument to
3029         avoiding_indexed_address_p.
3030         (*movsf_update4): Ditto.
3031         (allocate_stack): Simplify condition.  Adjust pattern names.
3032
3033 2019-04-17  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR target/89093
3036         * config/arm/arm.c (arm_valid_target_attribute_rec): Don't skip
3037         whitespace at the start of target attribute string.
3038
3039 2019-04-16  Pat Haugen  <pthaugen@us.ibm.com>
3040
3041         PR target/84369
3042         * config/rs6000/power9.md: Add store forwarding bypass.
3043
3044 2019-04-16  Alexandre Oliva <aoliva@redhat.com>
3045
3046         PR debug/89528
3047         * valtrack.c (dead_debug_insert_temp): Reset debug references
3048         to the return value of a call being removed.
3049
3050 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3051
3052         * config/arc/arc-protos.h (arc_register_move_cost): Remove.
3053         * config/arc/arc.c (arc_register_move_cost): Re-purpose it to
3054         implement target hook.
3055         (arc_memory_move_cost): New function.
3056         (TARGET_REGISTER_MOVE_COST): Define.
3057         (TARGET_MEMORY_MOVE_COST): Likewise.
3058         * config/arc/arc.h (REGISTER_MOVE_COST): Remove.
3059         (MEMORY_MOVE_COST): Likewise.
3060
3061 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3062
3063         * config/arc/arc.md (sibcall_insn): Use Rcd constraint.
3064         (sibcall_value_insn): Likewise.
3065         * config/arc/constraints.md (Rs5): Remove.
3066
3067 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3068
3069         * config/arc/arc.c (arc_hard_regno_modes): Add two missing modes
3070         for last two fake registers.
3071         (arc_conditional_register_usage): Make sure fake frame and arg
3072         pointer regs are in general regs class.
3073         (FRAME_POINTER_MASK): Remove.
3074         (RETURN_ADDR_MASK): Remove.
3075         (arc_must_save_register): Use hard frame regnum.
3076         (frame_restore_reg): Use hard_frame_pointer_rtx.
3077         (arc_save_callee_saves): Likewise.
3078         (arc_restore_callee_saves): Likewise.
3079         (arc_save_callee_enter): Likewise.
3080         (arc_restore_callee_leave): Likewise.
3081         (arc_save_callee_milli): Likewise.
3082         (arc_eh_return_address_location): Likewise.
3083         (arc_check_multi): Use hard frame regnum.
3084         (arc_can_eliminate): Likewise.
3085         * config/arc/arc.h (FIXED_REGISTERS): Make FP register available
3086         for register allocator.
3087         (REG_CLASS_CONTENTS): Update GENERAL_REGS.
3088         (REGNO_OK_FOR_BASE_P): Consider FRAME_POINTER_REGNUM.
3089         (FRAME_POINTER_REGNUM): Change it to a fake register.
3090         (HARD_FRAME_POINTER_REGNUM): Defined.
3091         (ARG_POINTER_REGNUM): Change it to a new fake register.
3092         (ELIMINABLE_REGS): Update.
3093         (REGISTER_NAMES): Update names.
3094         * config/arc/arc.md (LP_START): Remove.
3095         (LP_END): Likewise.
3096         (shift_si3_loop): Update pattern.
3097
3098 2019-04-16  Claudiu Zissulescu  <claziss@synopsys.com>
3099
3100         * config/arc/arc.c (arc_expand_prologue): Emit blockage regardless
3101         to avoid delay slot scheduling.
3102         (arc_must_save_register): Don't save SP.
3103         * config/arc/arc.md (stack_tie): Remove.
3104         (UNSPEC_ARC_STKTIE): Likewise.
3105
3106 2019-04-16  Kito Cheng  <kito.cheng@gmail.com>
3107             Shiva Chen  <shiva0217@gmail.com>
3108
3109         * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Fix wrong
3110         code gen with large shift amount.
3111
3112 2019-04-16  Chung-Ju Wu  <jasonwucj@gmail.com>
3113
3114         * config/nds32/nds32-pipelines-auxiliary.c (wext_odd_dep_p): Handle
3115         subreg.
3116
3117 2019-04-16  Jakub Jelinek  <jakub@redhat.com>
3118
3119         PR target/90096
3120         * config/i386/i386.c (ix86_target_string): Add ADD_ABI_P argument, only
3121         print -m64/-mx32/-m32 if it is true.
3122         (ix86_debug_options, ix86_function_specific_print): Pass true as
3123         ADD_ABI_P to ix86_target_string.
3124         (ix86_expand_builtin): Adjust ix86_target_string caller, pass true as
3125         ADD_ABI_P only if OPTION_MASK_ISA_64BIT is set in bisa and in that case
3126         or into it OPTION_MASK_ISA_ABI_64 or OPTION_MASK_ISA_ABI_X32.
3127
3128         PR rtl-optimization/90082
3129         * dce.c (can_delete_call): New function.
3130         (deletable_insn_p, mark_insn): Use it.
3131
3132         PR tree-optimization/90090
3133         * tree-ssa-math-opts.c (is_division_by): Ignore divisions that can
3134         throw internally.
3135         (is_division_by_square): Likewise.  Formatting fix.
3136
3137 2019-04-16  Richard Biener  <rguenther@suse.de>
3138
3139         PR tree-optimization/56049
3140         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Elide alias-set
3141         equality check if alias-set zero will prevail.
3142
3143 2019-04-15  Jeff Law  <law@redhat.com>
3144
3145         * config/microblaze/microblaze.c (microblaze_expand_block_move): Treat
3146         size and alignment as unsigned.
3147
3148 2019-04-15  Richard Biener  <rguenther@suse.de>
3149
3150         PR debug/90074
3151         * tree-loop-distribution.c (destroy_loop): Preserve correct
3152         debug info.
3153
3154 2019-04-15  Richard Biener  <rguenther@suse.de>
3155
3156         PR tree-optimization/90071
3157         * tree-ssa-reassoc.c (init_range_entry): Do not pick up
3158         abnormal operands from def stmts.
3159
3160 2019-04-15  Segher Boessenkool  <segher@kernel.crashing.org>
3161
3162         PR rtl-optimization/89794
3163         * combine.c (count_auto_inc): New function.
3164         (try_combine): Count how many auto_inc expressions there were in the
3165         original instructions.  Ensure we have the same number in the new
3166         instructions.  Remove the code that tried to ensure auto_inc side
3167         effects on i1 and i0 are not lost.
3168
3169 2019-04-15  Richard Biener  <rguenther@suse.de>
3170
3171         PR ipa/88936
3172         * tree.h (auto_var_p): Declare.
3173         * tree.c (auto_var_p): New function, split out from ...
3174         (auto_var_in_fn_p): ... here.
3175         * tree-ssa-structalias.c (struct variable_info): Add shadow_var_uid
3176         member.
3177         (new_var_info): Initialize it.
3178         (set_uids_in_ptset): Also set the shadow variable uid if required.
3179         (ipa_pta_execute): Postprocess points-to solutions assigning
3180         shadow variable uids for locals that may reach their containing
3181         function recursively.
3182         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Do not
3183         assert but instead check whether the points-to solution is
3184         a singleton.
3185
3186 2019-04-15  Martin Jambor  <mjambor@suse.cz>
3187
3188         PR ipa/pr89693
3189         * cgraph.c (clone_of_p): Loop over clone chain for each step in
3190         the thunk chain.
3191
3192 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3193
3194         * config.gcc (nds32*-*-linux*): Set gcc_cv_initfini_array to yes.
3195
3196 2019-04-15  Monk Chiang  <sh.chiang04@gmail.com>
3197             Kito Cheng  <kito.cheng@gmail.com>
3198             Shiva Chen  <shiva0217@gmail.com>
3199
3200         * config/nds32/nds32-md-auxiliary.c
3201         (nds32_legitimize_pic_address): Use new PIC pattern.
3202         (nds32_legitimize_tls_address): Use new TLS pattern.
3203         (nds32_output_symrel): New.
3204         * config/nds32/nds32-protos.h (nds32_output_symrel): Declare.
3205         (nds32_alloc_relax_group_id): Ditto.
3206         * config/nds32/nds32-relax-opt.c (nds32_alloc_relax_group_id): New.
3207         (nds32_group_insns): Use nds32_alloc_relax_group_id instead of use
3208         relax_group_id.
3209         (nds32_group_tls_insn): Ditto.
3210         (nds32_group_float_insns): Ditto.
3211         * config/nds32/nds32.md (tls_le): New.
3212         (sym_got): Ditto.
3213
3214 2019-04-15  Chung-Ju Wu  <jasonwucj@gmail.com>
3215
3216         * configure: Add nds32 target for dwarf2 debug_line checking.
3217         * configure.ac: Regenerated.
3218
3219 2019-04-14  Jan Hubicka  <hubicka@ucw.cz>
3220
3221         PR lto/89358
3222         * ipa-devirt.c (skip_in_fields_list_p): New.
3223         (odr_types_equivalent_p): Use it.
3224
3225 2019-04-13  Jakub Jelinek  <jakub@redhat.com>
3226
3227         PR target/89093
3228         * config/arm/arm.c (arm_valid_target_attribute_rec): Use strcmp
3229         instead of strncmp when checking for thumb and arm.  Formatting fixes.
3230
3231 2019-04-12  Iain Buclaw  <ibuclaw@gdcproject.org>
3232
3233         * doc/install.texi: Document --with-target-system-zlib.
3234
3235 2019-04-12  Martin Sebor  <msebor@redhat.com>
3236
3237         PR c/88383
3238         PR c/89288
3239         PR c/89798
3240         PR c/89797
3241         * targhooks.c (default_vector_alignment): Avoid assuming
3242         argument fits in SHWI.
3243         * tree.h (TYPE_VECTOR_SUBPARTS): Avoid sign overflow in
3244         a shift expression.
3245         * doc/extend.texi (__builtin_has_attribute): Add a clarifying note.
3246
3247 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3248
3249         PR rtl-optimization/89965
3250         * dce.c: Include rtl-iter.h.
3251         (struct check_argument_load_data): New type.
3252         (check_argument_load): New function.
3253         (find_call_stack_args): Check for loads from stack slots still tracked
3254         in sp_bytes and punt if any is found.
3255
3256         * config/mips/loongson-mmiintrin.h: Fix up #error message.
3257
3258 2019-04-12  Jan Hubicka  <hubicka@ucw.cz>
3259
3260         * params.def (PARAM_MAX_LTO_STREAMING_PARALLELISM): New parameter.
3261         * doc/invoke.texi (max-lto-streaming-paralellism): New --param.
3262
3263 2019-04-12  Martin Liska  <mliska@suse.cz>
3264
3265         PR middle-end/89970
3266         * multiple_target.c (create_dispatcher_calls): Wrap ifunc
3267         in error message.
3268         (separate_attrs): Handle multiple 'default's.
3269         (expand_target_clones): Rework error handling code.
3270
3271 2019-04-12  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3272
3273         PR target/87532
3274         * config/rs6000/rs6000.c (rs6000_split_vec_extract_var): Use inner
3275         mode of vector rather than mode of destination for move instruction.
3276         * config/rs6000/vsx.md (*vsx_extract_<mode>_<VS_scalar>mode_var):
3277         Use QI inner mode with V16QI vector mode.
3278
3279 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3280
3281         PR target/52726
3282         * config/tilepro/tilepro.c (tilepro_print_operand): Use just
3283         "invalid %%t operand" in output_operand_lossage message.
3284
3285 2019-04-12  Andreas Krebbel  <krebbel@linux.ibm.com>
3286
3287         * config/s390/predicates.md (permute_pattern_operand): New
3288         predicate.
3289         * config/s390/vector.md ("*vec_splats_bswap_vec<mode>"): Add USE
3290         operand for the permute pattern.
3291         ("*vec_perm<mode>"): New insn definition.
3292         ("bswap<mode>"): Generate the permute pattern operand in the
3293         expander and perform the operand reloads for pre arch13 level
3294         already.
3295         ("*bswap<mode>_emu"): Rename to ...
3296         ("*bswap<mode>"): ... this. And make the splitter vxe2 only.
3297         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>"):
3298         Add the USE operand for the permute pattern.
3299         ("*vec_set_bswap_vec<mode>"): Likewise.
3300
3301 2019-04-12  Jakub Jelinek  <jakub@redhat.com>
3302
3303         PR c/89946
3304         * varasm.c (assemble_start_function): Don't use tree_fits_uhwi_p
3305         and gcc_unreachable if it fails, just call tree_to_uhwi which
3306         verifies that too.  Test TREE_CHAIN instead of list_length > 1.
3307         Start warning message with a lower-case letter.  Formatting fixes.
3308
3309         PR rtl-optimization/90026
3310         * cfgcleanup.c (try_optimize_cfg): When removing empty bb with no
3311         successors, look for BARRIERs inside of the whole BB_FOOTER chain
3312         rather than just at the start of it.  If e->src BB_FOOTER is not NULL
3313         in cfglayout mode, use emit_barrier_after_bb.
3314
3315 2018-04-11  Steve Ellcey  <sellcey@marvell.com>
3316
3317         PR rtl-optimization/87763
3318         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>4_noshift_alt):
3319         New Instruction.
3320
3321 2019-04-11  Tom de Vries  <tdevries@suse.de>
3322
3323         * doc/extend.texi (@node Statement Exprs): Note variable shadowing at
3324         max macro using statement expression.
3325
3326 2019-04-11  David Edelsohn  <dje.gcc@gmail.com>
3327
3328         * xcoffout.h (xcoff_private_rodata_section_name): Declare.
3329         * xcoffout.c (xcoff_private_rodata_section_name): Define.
3330         * config/rs6000/rs6000.c (rs6000_xcoff_asm_init_sections): Create
3331         read_only_private_data_section using xcoff_private_rodata_section_name.
3332         (rs6000_xcoff_file_start): Generate xcoff_private_rodata_section_name.
3333
3334 2019-04-11  Christophe Lyon  <christophe.lyon@linaro.org>
3335
3336         PR target/90016
3337         * config/aarch64/aarch64.opt (msve-vector-bits): Add missing final '.'.
3338
3339 2019-04-11  Jakub Jelinek  <jakub@redhat.com>
3340
3341         PR rtl-optimization/89965
3342         * dce.c (sp_based_mem_offset): New function.
3343         (find_call_stack_args): Use sp_based_mem_offset.
3344
3345 2019-04-11  Jonathan Wakely  <jwakely@redhat.com>
3346
3347         * doc/invoke.texi (Optimize Options): Clarify -flive-patching docs.
3348
3349 2019-04-11  Richard Biener  <rguenther@suse.de>
3350
3351         PR tree-optimization/90020
3352         * tree-ssa-sccvn.c (vn_reference_may_trap): New function.
3353         * tree-ssa-sccvn.h (vn_reference_may_trap): Declare.
3354         * tree-ssa-pre.c (compute_avail): Use it to not put
3355         possibly trapping references after a call that might not
3356         return into EXP_GEN.
3357         * gcse.c (compute_hash_table_work): Do not elide
3358         marking a block containing a call if the call might not
3359         return.
3360
3361 2019-04-11  Richard Biener  <rguenther@suse.de>
3362
3363         PR tree-optimization/90018
3364         * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
3365         Test both SLP and interleaving variants.
3366
3367 2019-04-11  Robin Dapp  <rdapp@linux.ibm.com>
3368
3369         * config/s390/8561.md: New file.
3370         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3371         Add arch13 cpu model.
3372         * config/s390/s390-opts.h (enum processor_type): Likewise.
3373         * config/s390/s390.c (s390_get_sched_attrmask): Add arch13.
3374         (s390_get_unit_mask): Likewise.
3375         (s390_is_fpd): Likewise.
3376         (s390_is_fxd): Likewise.
3377         * config/s390/s390.h (s390_tune_attr): Likewise.
3378         * config/s390/s390.md: Include arch13 pipeline description.
3379         * config/s390/s390.opt: Add arch13.
3380
3381 2018-04-10  Steve Ellcey  <sellcey@marvell.com>
3382
3383         PR rtl-optimization/87763
3384         * config/aarch64/aarch64-protos.h (aarch64_masks_and_shift_for_bfi_p):
3385         New prototype.
3386         * config/aarch64/aarch64.c (aarch64_masks_and_shift_for_bfi_p):
3387         New function.
3388         * config/aarch64/aarch64.md (*aarch64_bfi<GPI:mode>5_shift):
3389         New instruction.
3390         (*aarch64_bfi<GPI:mode>5_shift_alt): Ditto.
3391         (*aarch64_bfi<GPI:mode>4_noand): Ditto.
3392         (*aarch64_bfi<GPI:mode>4_noand_alt): Ditto.
3393         (*aarch64_bfi<GPI:mode>4_noshift): Ditto.
3394
3395 2019-04-10  Jonathan Wakely  <jwakely@redhat.com>
3396
3397         * doc/invoke.texi (Optimize Options): Change "Nevertheless" to
3398         "Although" in -fipa-icf documentation.
3399
3400         * doc/invoke.texi (Debugging Options): Explicitly state the semantics
3401         of using multiple -g options.
3402
3403 2019-04-10  Martin Liska  <mliska@suse.cz>
3404
3405         PR gcov-profile/89959
3406         * doc/gcov.texi: Make documentation of -x option
3407         more precise.
3408
3409 2019-04-10  Richard Biener  <rguenther@suse.de>
3410
3411         * tree-vectorizer.h (_stmt_vec_info): Remove same_dr_stmt
3412         member.
3413         (DR_GROUP_SAME_DR_STMT): Remove.
3414         * tree-vect-stmts.c (vectorizable_load): Remove unreachable code.
3415         * tree-vect-data-refs.c (vect_analyze_group_access_1): Likewise,
3416         replace with assert.
3417         (vect_analyze_data_ref_accesses): Fix INTEGER_CST comparison.
3418         (vect_record_grouped_load_vectors): Remove unreachable code.
3419
3420 2019-04-10  Richard Earnshaw  <rearnsha@arm.com>
3421
3422         PR target/90016
3423         * config/aarch64/aarch64.opt (msve-vector-bits): Remove redundant and
3424         obsolete reference to N.
3425
3426 2019-04-10  Jakub Jelinek  <jakub@redhat.com>
3427
3428         PR middle-end/90025
3429         * expr.c (store_expr): Set properly size on the MEM passed to
3430         clear_storage.
3431
3432         PR c++/90010
3433         * gimple-ssa-sprintf.c (target_to_host): Fix handling of targstr
3434         with strlen in between hostsz-3 and hostsz-1 inclusive when no
3435         translation is needed, and when translation is needed, only append
3436         ... if the string length is hostsz or more bytes long.  Avoid using
3437         strncpy or strcat.
3438
3439 2019-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>
3440
3441         PR target/90024
3442         * config/arm/arm.c (neon_valid_immediate): Disallow VOIDmode parameter.
3443         * config/arm/constraints.md (Dm, DN, Dn): Split previous Dn constraint
3444         into three.
3445         * config/arm/neon.md (*neon_mov<mode>): Account for TImode and DImode
3446         differences directly.
3447         (*smax<mode>3_neon, vashl<mode>3, vashr<mode>3_imm): Use Dm constraint.
3448
3449 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3450
3451         PR translation/90011
3452         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
3453         from diagnostics.
3454         * config/arm/freebsd.h (LINK_SPEC): Remove trailing space from -p
3455         diagnostics.
3456         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
3457         * config/aarch64/aarch64-freebsd.h (FBSD_TARGET_LINK_SPEC): Likewise.
3458         * config/darwin.h (DRIVER_SELF_SPECS, ASM_FINAL_SPEC): Remove
3459         trailing space from -gsplit-dwarf diagnostics.
3460
3461         PR tree-optimization/89998
3462         * gimple-ssa-sprintf.c (try_substitute_return_value): Use lhs type
3463         instead of integer_type_node if possible, don't add ranges if return
3464         type is not compatible with int.
3465         * gimple-fold.c (gimple_fold_builtin_sprintf,
3466         gimple_fold_builtin_snprintf): Use lhs type instead of hardcoded
3467         integer_type_node.
3468
3469 2019-04-09  Martin Liska  <mliska@suse.cz>
3470
3471         * Makefile.in: Use GENERATOR_CFLAGS for all generators.
3472         * doc/install.texi: Document the new config.
3473
3474 2019-04-09  Richard Sandiford  <richard.sandiford@arm.com>
3475
3476         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Always
3477         use gimple_expr_type for load and store calls.  Skip over the
3478         condition argument in a conditional internal function.
3479         Protect use of TREE_INT_CST_LOW.
3480
3481 2019-04-09  Jakub Jelinek  <jakub@redhat.com>
3482
3483         PR target/90015
3484         * config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
3485         (riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
3486         trailing period from it too.
3487
3488 2019-04-08  wu yuan  <wuyuan5@huawei.com>
3489
3490         * config/aarch64/aarch64-cores.def (tsv1100): Change scheduling model.
3491         * config/aarch64/aarch64.md : Add "tsv110.md"
3492         * config/aarch64/tsv110.md: New file.
3493
3494 2019-04-08  Richard Biener  <rguenther@suse.de>
3495
3496         PR tree-optimization/90006
3497         * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
3498         calls like lrint.
3499
3500 2019-04-08  Andrea Corallo  <andrea.corallo@arm.com>
3501
3502         PR target/83033
3503         * config/aarch64/cortex-a57-fma-steering.c (fma_forest): Prohibit copy
3504         construction.
3505         (fma_root_node): Likewise.
3506         (func_fma_steering): Likewise.
3507
3508 2019-04-08  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR rtl-optimization/89865
3511         * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z.
3512
3513         PR rtl-optimization/89865
3514         * config/i386/i386.md
3515         (SWI12 peephole for mem {+,-,&,|,^}= x; mem != 0): Fix up operand
3516         numbers not to clash with the additional operands[4].
3517         (peepholes for mem {+,-,&,|,^}= x; mem != 0): New peephole2s
3518         with extra register copy in the middle.
3519
3520 2019-04-08  Martin Liska  <mliska@suse.cz>
3521
3522         PR gcov-profile/89961
3523         * doc/gcov.texi: Document data_file.
3524         * gcov.c (generate_results): Add data_info into JSON output.
3525
3526 2019-04-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
3527
3528         PR tree-optimization/89725
3529         * tree-chrec.c (chrec_contains_symbols): New parameter.  Handle outer
3530         loop's chrec as invariant symbol.
3531         * tree-chrec.h (chrec_contains_symbols): New parameter.
3532         * tree-data-ref.c (analyze_miv_subscript): Pass new argument.
3533         (build_classic_dist_vector_1, add_other_self_distances): Bypass access
3534         function of loops not in DDR's loop_nest.
3535         * tree-data-ref.h (index_in_loop_nest): Add unreachable check.
3536
3537 2019-04-08  Chenghua Xu  <paul.hua.gm@gmail.com>
3538
3539         PR target/89623
3540         * config/mips/mips.opt (LOONGSON_EXT2): Use Var instead of
3541         Mask.
3542
3543 2019-04-07  Uroš Bizjak  <ubizjak@gmail.com>
3544
3545         PR target/89945
3546         * config/i386/i386.md (anddi_1 to andsi_1_zext splitter):
3547         Avoid calling gen_lowpart with SYMBOL_REF and LABEL_REF operand.
3548
3549 2019-04-05  Joern Rennecke  <joern.rennecke@embecosm.com>
3550
3551         * sched-deps.c (sched_macro_fuse_insns): Check return value of
3552         targetm.fixed_condition_code_regs.
3553
3554 2019-04-05  Richard Biener  <rguenther@suse.de>
3555
3556         PR debug/89892
3557         PR debug/89905
3558         * tree-cfgcleanup.c (remove_forwarder_block): Always move
3559         debug bind stmts but reset them if they are not valid at the
3560         destination.
3561
3562 2019-04-05  Martin Liska  <mliska@suse.cz>
3563
3564         PR translation/89936
3565         * collect-utils.c (collect_execute): Use %< and %>, or %qs in
3566         order to wrap keywords or arguments.
3567         * collect2.c (main): Likewise.
3568         (scan_prog_file): Likewise.
3569         (scan_libraries): Likewise.
3570         * common/config/riscv/riscv-common.c
3571         (riscv_subset_list::parsing_subset_version): Likewise.
3572         (riscv_subset_list::parse_std_ext): Likewise.
3573         * config/aarch64/aarch64.c (aarch64_override_options_internal):
3574         Likewise.
3575         * config/arm/arm.c (arm_option_override): Likewise.
3576         * config/cris/cris.c (cris_print_operand): Likewise.
3577         * config/darwin-c.c (darwin_pragma_options): Likewise.
3578         (darwin_pragma_unused): Likewise.
3579         (darwin_pragma_ms_struct): Likewise.
3580         * config/ft32/ft32.c (ft32_print_operand): Likewise.
3581         * config/i386/i386.c (print_reg): Likewise.
3582         (ix86_print_operand): Likewise.
3583         * config/i386/xm-djgpp.h: Likewise.
3584         * config/iq2000/iq2000.c (iq2000_print_operand): Likewise.
3585         * config/m32c/m32c.c (m32c_option_override): Likewise.
3586         * config/msp430/msp430.c (msp430_option_override): Likewise.
3587         * config/nds32/nds32.c (nds32_option_override): Likewise.
3588         * config/nvptx/mkoffload.c (main): Likewise.
3589         * config/rx/rx.c (rx_print_operand): Likewise.
3590         (valid_psw_flag): Likewise.
3591         * config/vms/vms-c.c (vms_pragma_member_alignment): Likewise.
3592         (vms_pragma_nomember_alignment): Likewise.
3593         (vms_pragma_extern_model): Likewise.
3594         * lto-wrapper.c (compile_offload_image): Likewise.
3595         * omp-offload.c (oacc_parse_default_dims): Likewise.
3596         * symtab.c (symtab_node::verify_base): Likewise.
3597         * tlink.c (recompile_files): Likewise.
3598         (start_tweaking): Likewise.
3599         * tree-profile.c (parse_profile_filter): Likewise.
3600
3601 2019-04-05  Richard Sandiford  <richard.sandiford@arm.com>
3602
3603         PR tree-optimization/89956
3604         * tree-ssa-math-opts.c (convert_mult_to_fma): Protect against
3605         multiple negates of the same value.
3606
3607 2019-04-04  Martin Sebor  <msebor@redhat.com>
3608
3609         PR middle-end/89957
3610         PR middle-end/89911
3611         * builtins.c (expand_builtin_strnlen): Make sure wi::ltu_p operands
3612         have the same precision since the function crashes otherwise.
3613         * calls.c (maybe_warn_nonstring_arg): Avoid assuming strnlen() call
3614         has non-zero arguments.
3615
3616 2019-04-04  Martin Sebor  <msebor@redhat.com>
3617
3618         PR middle-end/89934
3619         * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Bail
3620         out if the number of arguments is less than expected.
3621
3622 2019-04-04  Jeff Law  <law@redhat.com>
3623
3624         PR rtl-optimization/89399
3625         * ree.c (combine_set_extension): Use single_set rather than
3626         digging into PATTERN for items on the candidate list.
3627         (combine_reaching_defs): Likewise.
3628
3629 2019-04-04  Richard Sandiford  <richard.sandiford@arm.com>
3630
3631         PR rtl-optimization/46590
3632         * loop-invariant.c (find_defs): Move df_remove_problem and
3633         df_process_deferred_rescans to move_invariants.
3634         Move df_live_add_problem and df_live_set_all_dirty calls
3635         to move_invariants.
3636         (move_invariants): Likewise.
3637         (move_loop_invariants): Likewise, making the df_live calls
3638         conditional on -O.  Remove the problem again if we added it
3639         locally.
3640
3641 2019-04-03  qing zhao  <qing.zhao@oracle.com>
3642
3643         PR tree-optimization/89730
3644         * ipa-inline.c (can_inline_edge_p): Delete the checking for
3645         -flive-patching=inline-only-static.
3646         (can_inline_edge_by_limits_p): Add the checking for
3647         -flive-patching=inline-only-static and grant always_inline
3648         even when -flive-patching=inline-only-static is specified.
3649
3650 2019-04-03  Jeff Law  <law@redhat.com>
3651
3652         PR rtl-optimization/81025
3653         * reorg.c (skip_consecutive_labels): Do not skip past a BARRIER.
3654
3655 2019-04-03  Richard Biener  <rguenther@suse.de>
3656
3657         PR tree-optimization/84101
3658         * tree-vect-stmts.c: Include explow.h for hard_function_value,
3659         regs.h for hard_regno_nregs.
3660         (cfun_returns): New helper.
3661         (vect_model_store_cost): When vectorizing a store to a decl
3662         we return and the function ABI returns in a multi-reg location
3663         account for the possible spilling that will happen.
3664
3665 2019-04-03  Andreas Krebbel  <krebbel@linux.ibm.com>
3666
3667         * config/s390/s390.c (s390_legitimate_address_p): Reject long
3668         displacement addresses for vector mode operands.
3669
3670 2019-04-03  Claudiu Zissulescu  <claziss@synopsys.com>
3671
3672         * config/arc/arc.c (GMASK_LEN): Define.
3673         (arc_restore_callee_saves): Restore first blink when
3674         !optimize_size.
3675
3676 2019-04-03  Sudakshina Das  <sudi.das@arm.com>
3677
3678         * doc/extend.texi: Add deprecated comment on sign-return-address
3679         function attribute and add mbranch-protection.
3680         * doc/invoke.texi: Add bti to the options for mbranch-protection.
3681
3682 2019-04-03  Richard Biener  <rguenther@suse.de>
3683
3684         PR lto/89896
3685         * lto-wrapper.c (run_gcc): Avoid implicit rules making
3686         the all target phony.
3687
3688 2019-04-02  Uroš Bizjak  <ubizjak@gmail.com>
3689
3690         PR target/89902
3691         PR target/89903
3692         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
3693         Return false for variable DImode shifts.
3694         (dimode_scalar_chain::compute_convert_gain): Do not handle
3695         register count operand in variable DImode shifts.
3696         (dimode_scalar_chain::make_vector_copies): Remove support to copy
3697         count argument of a variable shift instruction to a vector register.
3698         (dimode_scalar_chain::convert_reg): Remove support to convert
3699         count argument of a variable shift instruction.
3700
3701 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3702
3703         PR rtl-optimization/84206
3704         * sel-sched-ir.h (get_all_loop_exits): Avoid the outer loop when
3705         iterating over loop headers.
3706
3707 2019-04-02  Andrey Belevantsev  <abel@ispras.ru>
3708
3709         PR rtl-optimization/85876
3710         * sel-sched.c (code_motion_path_driver): Avoid unwinding first_insn
3711         beyond the original fence.
3712
3713 2019-04-02  Ulrich Weigand  <uweigand@de.ibm.com>
3714
3715         * config.gcc: Mark spu* targets as deprecated/obsolete.
3716
3717 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3718
3719         * config/s390/s390-builtin-types.def: New builtin function type
3720         definitions. Remove unused types.
3721         * config/s390/s390-builtins.def (s390_vcdgb, s390_vcdlgb)
3722         (s390_vcgdb, s390_vclgdb): Remove low-level builtin definitions.
3723         (s390_vec_float, s390_vec_signed, s390_vec_unsigned): New
3724         overloaded builtins.
3725         (s390_vcefb, s390_vcdgb, s390_vcelfb, s390_vcdlgb, s390_vcfeb)
3726         (s390_vcgdb, s390_vclfeb, s390_vclgdb): New low-level builtins.
3727         * config/s390/vecintrin.h (vec_float): New builtin macro definition.
3728         (vec_double, vec_signed, vec_unsigned): Define to use the new
3729         overloaded builtins.
3730         * config/s390/vx-builtins.md ("vec_double_s64", "vec_double_u64"):
3731         Remove expanders.
3732
3733 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3734
3735         * config/s390/s390-builtin-types.def: New builtin function type
3736         definitions.
3737         * config/s390/s390-builtins.def (s390_vec_search_string_cc)
3738         (s390_vec_search_string_until_zero_cc): New overloaded builtins.
3739         (s390_vstrsb, s390_vstrsh, s390_vstrsf, s390_vstrszb)
3740         (s390_vstrszh, s390_vstrszf): New low-level builtins.
3741         * config/s390/s390.md (UNSPEC_VEC_VSTRS, UNSPEC_VEC_VSTRSCC): New
3742         constant definitions.
3743         * config/s390/vecintrin.h (vec_search_string_cc)
3744         (vec_search_string_until_zero_cc): New builtin name definitions.
3745         * config/s390/vx-builtins.md ("vstrs<mode>", "vstrsz<mode>"): New
3746         expanders.
3747         ("vec_vstrs<mode>"): New insn definition.
3748
3749 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3750
3751         * config/s390/s390-builtin-types.def: Add new builtin function
3752         types.
3753         * config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
3754         New overloaded builtins.
3755         (s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
3756         s390_vsrd.
3757         * config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
3758         (UNSPEC_VEC_SLDBYTE): ... this.
3759         (UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
3760         * config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
3761         definitions.
3762         * config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
3763         Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
3764         ("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.
3765
3766 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3767
3768         ("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
3769         New insn definition.
3770         * config/s390/vx-builtins.md (V_HW_HSD): Move to ...
3771         * config/s390/vector.md (V_HW_HSD): ... here.
3772
3773 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3774
3775         * config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
3776         * config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
3777         ("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
3778         ("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
3779         New insn definitions.
3780
3781 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3782
3783         * config/s390/s390-builtin-types.def: Add new builtin function type.
3784         * config/s390/s390-builtins.def: Add overloaded builtin
3785         s390_vec_reve and low-level builtins for s390_vler and s390_vster.
3786         * config/s390/s390.md (UNSPEC_VEC_ELTSWAP): New constant definition.
3787         * config/s390/vecintrin.h (vec_reve): New builtin name definition.
3788         * config/s390/vx-builtins.md (V_HW_HSD): New mode iterator.
3789         ("eltswap<mode>"): New expander.
3790         ("*eltswapv16qi", "*eltswap<mode>", "*eltswap<mode>_emu"): New
3791         insn definitions.
3792
3793 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3794
3795         * config/s390/s390-builtin-types.def: Add new builtin function types.
3796         * config/s390/s390-builtins.def: Add overloaded builtin
3797         s390_vec_revb. Add low-level builtins for vlbr and vstbr
3798         instructions.
3799         * config/s390/vecintrin.h (vec_revb): New builtin name definition.
3800         * config/s390/vector.md (VT_HW_HSDT): New mode iterator.
3801         ("bswap<mode>"): New expander.
3802         ("*bswap<mode>", "*bswap<mode>_emu"): New insn definitions.
3803
3804 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3805
3806         * config/s390/s390-builtins.def (B_VXE2): New builtin flag definition.
3807         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Increment
3808         vector builtin version number in __VEC__.
3809
3810 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3811
3812         * config/s390/s390.md (VX_CONV_BFP, VX_CONV_INT): New mode
3813         iterators.
3814         (SFSI): New mode attribute.
3815         ("*fixuns_truncdfdi2_vx", "*fix_truncdfdi2_bfp_z13")
3816         ("*floatunsdidf2_z13", ): Add support for 32 bit conversions and
3817         rename to ...
3818         ("*fixuns_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_z13")
3819         ("*fix_trunc<VX_CONV_BFP:mode><VX_CONV_INT:mode>2_bfp_z13")
3820         ("*floatuns<VX_CONV_INT:mode><VX_CONV_BFP:mode>2_z13"): ... these.
3821         ("floatsi<mode>2"): Add wcefb instruction.
3822
3823 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3824
3825         * config/s390/s390.md ("xde"): Extend mode attribute to vector types.
3826         * config/s390/vector.md (VX_VEC_CONV_BFP, VX_VEC_CONV_INT): New
3827         mode iterators.
3828         ("floatv2div2df2", "floatunsv2div2df2", "fix_truncv2dfv2di2")
3829         ("fixuns_truncv2dfv2di2"): Enhance with mode iterator to also
3830         support 32 bit fp-int conversions. Rename to ...
3831         ("float<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3832         ("floatuns<VX_VEC_CONV_INT:mode><VX_VEC_CONV_BFP:mode>2")
3833         ("fix_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2")
3834         ("fixuns_trunc<VX_VEC_CONV_BFP:mode><VX_VEC_CONV_INT:mode>2"):
3835         ... to these.
3836
3837 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3838
3839         * config/s390/s390.c (s390_rtx_costs): Do not add extra costs for
3840         if-then-else constructs if we can use the select instruction.
3841         * config/s390/s390.md ("*mov<mode>cc"): Add the new instructions.
3842
3843 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3844
3845         * config/s390/s390.md ("*popcountdi_arch13_cc")
3846         ("*popcountdi_arch13_cconly", "*popcountdi_arch13"): New insn
3847         definition.
3848         ("*popcount<mode>", "popcountdi2", "popcountsi2", "popcounthi2"):
3849         Append _z196 to make it ...
3850         ("*popcount<mode>_z196", "popcountdi2_z196", "popcountsi2_z196")
3851         ("popcounthi2_z196"): ... this.
3852         ("popcountdi2_z196"): Remove TARGET_64BIT from the insn condition.
3853         ("popcountdi2", "popcountsi2", "popcounthi2"): New expanders.
3854
3855 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3856
3857         * config/s390/s390.c (s390_canonicalize_comparison): Convert
3858         certain compares for arch13 in order to make use of the condition
3859         code result produced by the new instructions.
3860         (s390_rtx_costs): Adjust the costs for nnrk, nngrk, nork, nogrk,
3861         nxrk, and nxgrk instruction patterns.
3862         * config/s390/s390.md (ANDOR, bitops_name, inv_bitops_name)
3863         (inv_no): Add new code iterator together with some attributes.
3864         ("*andc_split_<mode>"): Disable splitter for arch13.
3865         ("*<ANDOR:bitops_name>c<GPR:mode>_cc")
3866         ("*<ANDOR:bitops_name>c<GPR:mode>_cconly")
3867         ("*<ANDOR:bitops_name>c<GPR:mode>")
3868         ("*n<ANDOR:inv_bitops_name><GPR:mode>_cc")
3869         ("*n<ANDOR:inv_bitops_name><mode>_cconly")
3870         ("*n<ANDOR:inv_bitops_name><mode>", "*nxor<GPR:mode>_cc")
3871         ("*nxor<mode>_cconly", "*nxor<mode>"): New insn definitions.
3872
3873 2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>
3874
3875         * common/config/s390/s390-common.c (processor_flags_table): New
3876         entry for arch13.
3877         * config.gcc: Support arch13 with the --with-arch= configure flag.
3878         * config/s390/driver-native.c (s390_host_detect_local_cpu):
3879         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH13.
3880         * config/s390/s390.c (s390_get_sched_attrmask)
3881         (s390_get_unit_mask): Add PROCESSOR_ARCH13.
3882         * config/s390/s390.h (enum processor_flags): Add PF_VXE2 and PF_ARCH13.
3883         * config/s390/s390.md (TARGET_CPU_ARCH13, TARGET_CPU_ARCH13_P)
3884         (TARGET_CPU_VXE2, TARGET_CPU_VXE2_P, TARGET_ARCH13)
3885         (TARGET_ARCH13_P, TARGET_VXE2, TARGET_VXE2_P): New macro
3886         definitions.
3887         * config/s390/s390.opt: Support arch13 as processor type in
3888         command line options.
3889
3890 2019-04-02  Martin Liska  <mliska@suse.cz>
3891
3892         PR translation/89912
3893         * params.def (PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP):
3894         Fix param description of graphite-max-arrays-per-scop.
3895
3896 2019-04-02  Eric Botcazou  <ebotcazou@adacore.com>
3897
3898         * config/sparc/linux64.h (ASAN_REJECT_SPEC): New macro.
3899         (ASAN_CC1_SPEC): Use it in 64-bit mode.
3900         * config/sparc/sol2.h (ASAN_REJECT_SPEC): Remove superfluous colon.
3901
3902 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3903
3904         PR rtl-optimization/85412
3905         * sel-sched.c (sel_sched_region): Assign reset_sched_cycles_p before
3906         sel_sched_region_1, not after.
3907
3908 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3909
3910         PR rtl-optimization/86928
3911         * sel-sched-ir.c (sel_redirect_edge_and_branch_force): Invoke
3912         compute_live if necessary.
3913         (sel_redirect_edge_and_branch): Likewise.
3914
3915 2019-04-01  Vladimir Makarov  <vmakarov@redhat.com>
3916
3917         PR rtl-optimization/89865
3918         * ira-costs.c (process_bb_node_for_hard_reg_moves): Skip hard
3919         register if it is a part of small class.
3920
3921 2019-04-01  Andrey Belevantsev  <abel@ispras.ru>
3922
3923         PR rtl-optimization/87273
3924         * sel-sched-ir.c (merge_fences): Remove assert.
3925
3926 2019-04-01  Richard Biener  <rguenther@suse.de>
3927
3928         PR tree-optimization/46590
3929         * domwalk.h (dom_walker::dom_walker): Consolidate constructors.
3930         (dom_walker::m_reachability): Add in place of...
3931         (dom_walker::m_skip_unreachable_blocks): ...this.
3932         * domwalk.c (dom_walker::dom_walker): Consoliate constructors.
3933         Move complex initialization ...
3934         (dom_walker::walk): Here.  Especially compute m_bb_to_rpo
3935         lazily and initialize edge flags on each invocation.
3936         (dom_walker::bb_reachable): Use m_reachability.
3937
3938 2019-04-01  Martin Liska  <mliska@suse.cz>
3939
3940         PR driver/89861
3941         * opt-suggestions.c (option_proposer::build_option_suggestions):
3942         Add variant without any argument in order to provide better
3943         hints.
3944
3945 2019-04-01  Richard Biener  <rguenther@suse.de>
3946
3947         PR c/71598
3948         * gimple.c: Include langhooks.h.
3949         (gimple_get_alias_set): Treat enumeral types as the underlying
3950         integer type.
3951
3952 2019-03-29  Kugan Vivekanandarajah  <kuganv@linaro.org>
3953             Eric Botcazou  <ebotcazou@adacore.com>
3954
3955         PR rtl-optimization/89862
3956         * rtl.h (word_register_operation_p): Exclude CONST_INT from operations
3957         that operates on the full registers for WORD_REGISTER_OPERATIONS
3958         architectures.
3959
3960 2019-03-29  Jim Wilson  <jimw@sifive.com>
3961
3962         * common/config/riscv/riscv-common.c (riscv_parse_arch_string):
3963         Clear MASK_RVC and then set if C subset supported.
3964
3965 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3966
3967         PR c/89872
3968         * gimplify.c (gimplify_compound_literal_expr): Don't optimize a
3969         non-addressable complit into its initializer if it is volatile.
3970
3971 2019-03-29  Roman Zhuykov  <zhroma@ispras.ru>
3972
3973         * opts-common.c (integral_argument): Set errno properly in one case.
3974
3975 2019-03-29  Martin Liska  <mliska@suse.cz>
3976
3977         * doc/invoke.texi: Remove -Wchkp from documentation.
3978
3979 2019-03-29  Martin Liska  <mliska@suse.cz>
3980
3981         * dbgcnt.c (print_limit_reach): New function.
3982         (dbg_cnt): Use it.
3983
3984 2019-03-29  Martin Liska  <mliska@suse.cz>
3985
3986         * dbgcnt.c (dbg_cnt_process_single_pair): Fix GNU coding style.
3987         (dbg_cnt_process_opt): Parse first tokens aas
3988         dbg_cnt_process_single_pair is also using strtok.
3989
3990 2019-03-29  Jakub Jelinek  <jakub@redhat.com>
3991
3992         PR rtl-optimization/87485
3993         * function.c (expand_function_end): Move stack_protect_epilogue
3994         before loading of return value into hard register(s).
3995
3996 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
3997
3998         PR middle-end/89621
3999         * tree-inline.h (struct copy_body_data): Add
4000         dont_remap_vla_if_no_change flag.
4001         * tree-inline.c (remap_type_3, remap_type_2): New functions.
4002         (remap_type): Don't remap vla types if id->dont_remap_vla_if_no_change
4003         and remap_type_2 returns false.
4004         * omp-low.c (new_omp_context): Set ctx->cb.dont_remap_vla_if_no_change.
4005         Move ctx->cb.adjust_array_error_bounds setting to the outermost ctx
4006         only from where it is copied to nested contexts.
4007
4008 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4009
4010         PR target/89865
4011         * config/i386/i386.md (RMW operation with LEA peephole):
4012         Use LEAMODE mode attribute instead of SWI mode iterator for
4013         LEA pattern.
4014
4015 2019-03-28  Uroš Bizjak  <ubizjak@gmail.com>
4016
4017         PR target/89848
4018         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
4019         Also process XEXP (src, 0) of a shift insn.
4020
4021 2019-03-28  David Malcolm  <dmalcolm@redhat.com>
4022
4023         PR middle-end/89725
4024         * optinfo-emit-json.cc (optrecord_json_writer::optinfo_to_json):
4025         Use DECL_ASSEMBLER_NAME rather than get_fnname_from_decl.
4026
4027 2019-03-28  Jakub Jelinek  <jakub@redhat.com>
4028
4029         * regcprop.c (copyprop_hardreg_forward_1): Remove redundant INSN_P
4030         test.
4031         (cprop_hardreg_bb, cprop_hardreg_debug): New functions.
4032         (pass_cprop_hardreg::execute): Use those.  Don't repeat bb processing
4033         immediately after first one with df_analyze in between, but rather
4034         process all bbs, queueing ones that need second pass in a worklist,
4035         df_analyze, process queued debug insn changes and if second pass is
4036         needed, process bbs from worklist, df_analyze, process queued debug
4037         insns again.
4038
4039         * rtl.h (NONDEBUG_INSN_P): Define as NONJUMP_INSN_P or JUMP_P
4040         or CALL_P instead of INSN_P && !DEBUG_INSN_P.
4041         (INSN_P): Define using NONDEBUG_INSN_P or DEBUG_INSN_P.
4042
4043 2019-03-28  Jonathan Wakely  <jwakely@redhat.com>
4044
4045         PR c/79022
4046         * gengtype.h (create_nested_ptr_option): Fix parameter names to match
4047         definition.
4048
4049 2019-03-27  Mateusz B  <mateuszb@poczta.onet.pl>
4050
4051         PR target/85667
4052         * config/i386/i386.c (ix86_function_value_1): Call the newly added
4053         function for 32-bit MS_ABI.
4054         (function_value_ms_32): New function.
4055
4056 2019-03-27  Andrew Stubbs  <ams@codesourcery.com>
4057
4058         * config/gcn/gcn.md (CC_SAVE_REG): New constant.
4059         (movdi): Call gen_movdi_symbol_save_scc.
4060         (gen_movdi_symbol_save_scc): New insn and split.
4061
4062 2019-03-27  Peter Bergner  <bergner@linux.ibm.com>
4063
4064         PR rtl-optimization/89313
4065         * function.c (matching_constraint_num): New static function.
4066         (match_asm_constraints_1): Use it.  Fixup white space and comment.
4067         Don't replace inputs with non-matching constraints which conflict
4068         with early clobber outputs.
4069
4070 2019-03-27  Jeff Law  <law@redhat.com>
4071
4072
4073         PR rtl-optimization/87761
4074         PR rtl-optimization/89826
4075         * regcprop.c (copyprop_hardreg_forward_1): Move may_trap_p test
4076         slightly later.
4077         (pass_cprop_hardreg::execute): Call df_analyze after adding the
4078         note problem to get REG_DEAD/REG_UNUSED notes updated.
4079
4080 2019-03-27  Richard Biener  <rguenther@suse.de>
4081
4082         PR tree-optimization/89463
4083         * tree-ssa-dce.c (remove_dead_stmt): Take output vector to
4084         queue edges to remove.
4085         (eliminate_unnecessary_stmts): Remove dead PHIs alongside
4086         dead stmts.  Delay edge removal until PHIs are removed to
4087         make debug-stmt creation not confused by seemingly degenerate
4088         PHIs.
4089
4090 2019-03-27  Alan Modra  <amodra@gmail.com>
4091
4092         * config/rs6000/rs6000.h: Rename NON_SPECIAL_REGS to GEN_OR_FLOAT_REGS
4093         throughout file.
4094         * config/rs6000/darwin.h: Likewise.
4095         * config/rs6000/rs6000.c: Likewise.
4096
4097 2019-03-27  Alan Modra  <amodra@gmail.com>
4098
4099         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Always
4100         assign rs6000_hard_regno_mode_ok_p[m][r].  Formatting.
4101
4102 2019-03-26  Andrew Waterman  <andrew@sifive.com>
4103             Jim Wilson  <jimw@sifive.com>
4104
4105         * config/riscv/generic.md (generic_alu, generic_load, generic_store)
4106         (generic_xfer, generic_branch, generic_imul, generic_idivsi)
4107         (generic_idivdi, generic_fmul_single, generic_fmul_double)
4108         (generic_fdiv, generic_fsqrt): Add check for generic tune.
4109         (generic_alu): Add auipc to type list.
4110         * config/riscv/riscv-opts.h (enum riscv_microarchitecture_type): New.
4111         (riscv_microarchitecture): Declare.
4112         * config/riscv/riscv-protos.h (riscv_store_data_bypass_p): Declare.
4113         * config/riscv/riscv.c (struct riscv_cpu_info): Add microarchitecture
4114         field.
4115         (riscv_microarchitecture): New.
4116         (sifive_7_tune_info): New.
4117         (riscv_cpu_info_table): Add microarchitecture value for rocket and
4118         size.  Add sifive-3-series, sifive-5-series, and sifive-7-series
4119         entries.
4120         (riscv_store_data_bypass_p): New.
4121         (riscv_option_override): Set riscv_microarchitecture from
4122         cpu->microarchitecture.
4123         * config/riscv/riscv.md: Include sifive-7.md.
4124         (type): Add auipc.
4125         (tune): New.
4126         (auipc<mode>): Change type to auipc.
4127         (restore_stack_nonlocal): New.
4128         * config/riscv/sifive-7.md: New.
4129         * doc/invoke.texi (RISC-V Options): Update mtune docs.
4130
4131 2019-03-26  Uroš Bizjak  <ubizjak@gmail.com>
4132
4133         PR target/89827
4134         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
4135         Also process XEXP (src, 0) of a shift insn.
4136
4137 2019-03-26  Richard Biener  <rguenther@suse.de>
4138
4139         * tree-inline.c (remap_gimple_stmt): Cache gimple_block.
4140         (copy_debug_stmt): Likewise.
4141         (expand_call_inline): Likewise.
4142         (copy_bb): Avoid redundant lookup & set of gimple_block.
4143         * gimple-low.c (lower_gimple_return): Likewise.
4144         (lower_builtin_setjmp): Likewise.
4145
4146 2019-03-26  Jakub Jelinek  <jakub@redhat.com>
4147
4148         * hash-table.h (hash_table::m_gather_mem_stats): If GATHER_STATISTICS
4149         is constant 0, turn into static const data member initialized to false.
4150         (hash_table::hash_table): Only initialize m_gather_mem_stats #if
4151         GATHER_STATISTICS.  Add ATTRIBUTE_UNUSED to gather_mem_stats param.
4152
4153 2019-03-26  Jason Merrill  <jason@redhat.com>
4154             Jakub Jelinek  <jakub@redhat.com>
4155
4156         * mem-stats.h (mem_alloc_description::unregister_descriptor): New
4157         method.
4158         (mem_alloc_description::release_object_overhead): Fix comment typos.
4159         * hash-table.h (hash_table::~hash_table): Call
4160         release_instance_overhead only if m_entries is non-NULL, otherwise
4161         call unregister_descriptor.
4162
4163 2019-03-26  Bin Cheng  <bin.cheng@linux.alibaba.com>
4164
4165         PR tree-optimization/81740
4166         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4167         In case of outer loop vectorization, check for backward dependence
4168         at the inner loop if outer loop dependence is reversed.
4169
4170 2019-03-26  Alan Modra  <amodra@gmail.com>
4171
4172         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Correct
4173         rs6000_vector_mem init.  Correct wI and wJ comment.
4174
4175 2019-03-25  Alexander Monakov  <amonakov@ispras.ru>
4176
4177         PR rtl-optimization/88347
4178         PR rtl-optimization/88423
4179         * sched-deps.c (sched_analyze_insn): Take into account that for
4180         tablejumps the barrier appears after a label and a jump_table_data.
4181
4182 2019-03-25  Martin Sebor  <msebor@redhat.com>
4183
4184         PR c/89812
4185         * c-common.c (check_user_alignment): Rename local.  Correct maximum
4186         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
4187         convert it to UHWI when it fits.
4188
4189 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
4190
4191         PR debug/86964
4192         * dwarf2out.c (premark_used_variables): New function.
4193         (prune_unused_types_walk): Do not mark not premarked external
4194         variables.
4195         (prune_unused_types): Call premark_used_variables.
4196
4197 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
4198
4199         PR rtl-optimization/89676
4200         * lra-constraints.c (curr_insn_transform): Do match reload for
4201         early clobbers when the match was successful only for different
4202         registers.
4203
4204 2019-03-25  Martin Sebor  <msebor@redhat.com>
4205
4206         * doc/extend.texi (Common Type Attributes): Document vector_size.
4207         (Common Variable Attributes): Mention size constraint.  Correct
4208         quoting and typos.
4209         (Vector Extensions): Use @dfn when defining bas type.  Clarify
4210         base type and size constraints.
4211
4212 2019-03-25  Richard Biener  <rguenther@suse.de>
4213
4214         PR tree-optimization/89789
4215         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
4216         changes from non-undefined back to undefined.
4217
4218 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
4219
4220         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
4221         heap string and a gc string, but since this variable is unknown to
4222         ggc the gc string might get reused and corrupted. Fixed by always
4223         using a heap string.
4224
4225 2019-03-25  Richard Biener  <rguenther@suse.de>
4226
4227         PR tree-optimization/89779
4228         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
4229         to remove IV defs, delay actual removal.
4230         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
4231         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
4232         very end, properly also reset loop control IV information.
4233
4234 2019-03-25  Richard Biener  <rguenther@suse.de>
4235
4236         PR tree-optimization/89802
4237         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
4238         move EH data to folded stmt.
4239
4240 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4241
4242         * config/s390/s390-builtin-types.def: Remove few unused types and
4243         fix sort order for others.
4244
4245 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
4246
4247         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
4248         expected and found types with -mdebug during builtin matching.
4249
4250 2019-03-25  Richard Biener  <rguenther@suse.de>
4251
4252         PR middle-end/89790
4253         * fold-const.c (operand_equal_p): Revert last change with
4254         updated comment.
4255
4256 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
4257
4258         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
4259         notes for the result of the __tls_get_addr calls.
4260         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
4261
4262 2019-03-24  Jeff Law  <law@redhat.com>
4263
4264         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
4265
4266         PR rtl-optimization/87761
4267         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
4268         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
4269         as needed.
4270         (pass_cprop_hardreg::execute): Add df note problem and defer insn
4271         rescans.  Reprocess blocks as needed, calling df_analyze before
4272         reprocessing.  Always call df_analyze before fixing up debug bind
4273         insns.
4274
4275 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
4276
4277         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
4278         big endian.
4279
4280 2019-03-22  Andrew Pinski  <apinski@marvell.com>
4281
4282         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
4283         attrribute for uxtw.
4284
4285 2019-03-26  Jeff Law  <law@redhat.com>
4286
4287         PR rtl-optimization/87761
4288         * config/mips/mips-protos.h (mips_split_move): Add new argument.
4289         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
4290         (mips_split_move): Accept new INSN argument.  Try to forward SRC
4291         into the next instruction.
4292         (mips_split_move_insn): Pass INSN through to mips_split_move.
4293
4294 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
4295
4296         PR rtl-optimization/89676
4297         * lra-constraints.c (curr_insn_transform): Do match reload for
4298         early clobbers even if the match was successful.
4299
4300 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4301
4302         PR c++/87481
4303         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
4304
4305 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
4306
4307         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
4308
4309 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
4310
4311         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
4312         <avx512>_fmsub_<mode>_mask3<round_name>,
4313         <avx512>_fnmadd_<mode>_mask3<round_name>,
4314         <avx512>_fnmsub_<mode>_mask3<round_name>,
4315         avx512f_vmfmadd_<mode>_mask3<round_name>,
4316         avx512f_vmfmsub_<mode>_mask3<round_name>,
4317         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
4318         instead of register_operand and %v instead of v for match_operand 1.
4319         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
4320         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
4321         <round_nimm_predicate> instead of register_operand and %v instead of v
4322         for match_operand 1.
4323
4324         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
4325         <avx512>_fmadd_<mode>_mask3<round_name>,
4326         <avx512>_fmsub_<mode>_mask<round_name>,
4327         <avx512>_fmsub_<mode>_mask3<round_name>,
4328         <avx512>_fnmadd_<mode>_mask<round_name>,
4329         <avx512>_fnmadd_<mode>_mask3<round_name>,
4330         <avx512>_fnmsub_<mode>_mask<round_name>,
4331         <avx512>_fnmsub_<mode>_mask3<round_name>,
4332         <avx512>_fmaddsub_<mode>_mask<round_name>,
4333         <avx512>_fmaddsub_<mode>_mask3<round_name>,
4334         <avx512>_fmsubadd_<mode>_mask<round_name>,
4335         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
4336         <round_nimm_predicate> instead of nonimmediate_operand.
4337         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
4338         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
4339         Use register_operand instead of <round_nimm_predicate> for the
4340         operand that needs to match output.
4341         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
4342         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
4343         Likewise.  Formatting fixes.
4344
4345         PR target/89784
4346         * config/i386/i386.c (enum ix86_builtins): Remove
4347         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
4348         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
4349         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
4350         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
4351         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
4352         __builtin_ia32_vfmsubss3_mask3): New builtins.
4353         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
4354         avx512f_vmfmadd_<mode>_mask3<round_name>,
4355         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
4356         *avx512f_vmfmsub_<mode>_mask<round_name>,
4357         avx512f_vmfmsub_<mode>_mask3<round_name>,
4358         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
4359         *avx512f_vmfnmadd_<mode>_mask<round_name>,
4360         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
4361         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
4362         *avx512f_vmfnmsub_<mode>_mask<round_name>,
4363         avx512f_vmfnmsub_<mode>_mask3<round_name>,
4364         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
4365         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
4366         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
4367         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
4368         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
4369         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
4370         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
4371         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
4372         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
4373         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
4374         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
4375         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
4376         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
4377         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
4378         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
4379         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
4380         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
4381         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
4382         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
4383         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
4384         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
4385         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
4386
4387 2019-03-21  Martin Sebor  <msebor@redhat.com>
4388
4389         PR tree-optimization/89350
4390         * builtins.c (compute_objsize): Also ignore offsets whose upper
4391         bound is negative.
4392         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
4393         (builtin_memref::builtin_memref): Initialize new member.
4394         Allow EXPR to be null.
4395         (builtin_memref::extend_offset_range): Replace local with a member.
4396         Avoid assuming pointer offsets are unsigned.
4397         (builtin_memref::set_base_and_offset): Determine base object
4398         before computing offset range.
4399         (builtin_access::builtin_access): Handle memset.
4400         (builtin_access::generic_overlap): Replace local with a member.
4401         (builtin_access::strcat_overlap): Same.
4402         (builtin_access::overlap): Same.
4403         (maybe_diag_overlap): Same.
4404         (maybe_diag_access_bounds): Same.
4405         (wrestrict_dom_walker::check_call): Handle memset.
4406         (check_bounds_or_overlap): Same.
4407
4408 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
4409             Jakub Jelinek  <jakub@redhat.com>
4410
4411         PR lto/89692
4412         * tree.c (fld_type_variant, fld_incomplete_type_of,
4413         fld_process_array_type): Call fld->pset.add and don't call
4414         add_tree_to_fld_list if it returns true.
4415         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
4416         non-marked types from TYPE_NEXT_VARIANT list.
4417         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
4418
4419 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
4420
4421         * hash-table.h (hash_table): Add Lazy template parameter defaulted
4422         to false, if true, don't alloc_entries during construction, but defer
4423         it to the first method that needs m_entries allocated.
4424         (hash_table::hash_table, hash_table::~hash_table,
4425         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
4426         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
4427         hash_table::clear_slot, hash_table::traverse_noresize,
4428         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
4429         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
4430         false.
4431         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
4432         NO_INSERT instead of find_with_hash.
4433         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
4434         hash_set::m_table): Add Lazy to template params of hash_table.
4435         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
4436         * attribs.c (test_attribute_exclusions): Likewise.
4437         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
4438         hash_set.  Add tests for hash_set with Lazy = true.
4439
4440 2019-03-21  Richard Biener  <rguenther@suse.de>
4441
4442         PR tree-optimization/89779
4443         * tree.c (tree_nop_conversion): Consolidate and fix defensive
4444         checks with respect to released SSA names now having error_mark_node
4445         type.
4446         * fold-const.c (operand_equal_p): Likewise.
4447
4448 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
4449
4450         PR target/89775
4451         * config/s390/s390.c (global_not_special_regno_p): Move to make it
4452         available to ...
4453         (s390_optimize_register_info): Use global_not_special_regno_p to
4454         check for global regs.
4455
4456 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
4457
4458         PR target/89752
4459         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
4460         update this_alternative nor this_alternative_set.
4461
4462 2019-03-19  Jim Wilson  <jimw@sifive.com>
4463
4464         PR target/89411
4465         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
4466         align, size, offset.  Use them to handle a BLKmode reference.  Update
4467         comment.
4468         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
4469
4470 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4471
4472         PR rtl-optimization/89768
4473         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
4474         instead of GEN_INT.
4475         (unroll_loop_runtime_iterations): Likewise.
4476
4477 2019-03-19  Martin Sebor  <msebor@redhat.com>
4478
4479         PR tree-optimization/89644
4480         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
4481         rather than endptr as an indicator of nul-termination.
4482
4483         PR tree-optimization/89644
4484         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
4485         arrays in determining sequence sizes in strncpy and stpncpy.
4486
4487 2019-03-19  Martin Liska  <mliska@suse.cz>
4488
4489         PR middle-end/89737
4490         * predict.c (combine_predictions_for_bb): Empty likely_edges and
4491         unlikely_edges if there's an edge that belongs to both these sets.
4492
4493 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
4494
4495         PR target/89746
4496         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
4497         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
4498         go via a stack temporary.
4499
4500 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4501
4502         PR target/89378
4503         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
4504         instead of gen_rtx_SUBREG.
4505         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
4506
4507 2019-03-19  Richard Biener  <rguenther@suse.de>
4508
4509         PR debug/88389
4510         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
4511
4512 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
4513
4514         PR lto/87809
4515         PR lto/89335
4516         * tree.c (free_lang_data_in_decl): Do not free context of C++
4517         destrutors.
4518
4519 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4520
4521         PR target/89506
4522         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
4523         subs for the first alternative except when operands[3] is 1.
4524
4525         PR target/89752
4526         * gimplify.c (gimplify_asm_expr): For output argument with
4527         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
4528         diagnose error.
4529
4530 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
4531
4532         PR rtl-optimization/89753
4533         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
4534         explicit unrolling factor even more robust.
4535
4536 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
4537
4538         PR target/89726
4539         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
4540         compensation use x2 += 1 instead of x2 -= -1 and when honoring
4541         signed zeros, do another copysign after the compensation.
4542
4543 2019-03-18  Martin Sebor  <msebor@redhat.com>
4544
4545         PR tree-optimization/89720
4546         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
4547         more conservatively, the same as anti-range.
4548
4549 2019-03-18  Richard Biener  <rguenther@suse.de>
4550
4551         PR middle-end/88945
4552         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
4553         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
4554         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
4555         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
4556
4557 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
4558
4559         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
4560         Extend queue to 1024 entries.
4561         Add "consumed" field.
4562         (gomp_print_output): Remove print_index parameter.
4563         Add final parameter.
4564         Change limit to unsigned.
4565         Use consumed field to implement circular buffer.
4566         Detect interrupted print in final pass.
4567         Flush output at the end.
4568         (run): Update gomp_print_output usage.
4569         (main): Initialize kernargs->output_data.consumed.
4570
4571 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
4572
4573         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
4574         calculation of the minimum number of scalar iterations for
4575         fully-predicated loops.
4576
4577 2019-03-18  Martin Jambor  <mjambor@suse.cz>
4578
4579         PR tree-optimization/89546
4580         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
4581         any propagation to its children took place.
4582
4583 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
4584
4585         PR target/89627
4586         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
4587         parameter, and make use of it.
4588         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
4589
4590 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4591
4592         * config/arc/arc.opt (mcode-density-frame): Get the inital value
4593         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
4594         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4595         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
4596         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
4597         match what the ops is doing.
4598         (push_multi_fp_blink): Likewise.
4599         * config/arc/arc.c (arc_override_options): Enable enter/leave when
4600         compiling for size and elf target.
4601         (arc_save_callee_enter): Adjust note to match what enter/leave
4602         operation does.
4603
4604 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4605
4606         * config/arc/arc.md (tst_movb): Fix constraint.
4607
4608 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4609
4610         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
4611
4612 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
4613
4614         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
4615         * config/arc/arc.c (arc_conditional_register_usage): Remove all
4616         reg_alloc_order references.
4617         (size_alloc_order): Define.
4618         (arc_adjust_reg_alloc_order): New function.
4619         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
4620         order.
4621         (ADJUST_REG_ALLOC_ORDER): Define.
4622         (HONOR_REG_ALLOC_ORDER): Likewise.
4623
4624 2019-03-18  Richard Biener  <rguenther@suse.de>
4625
4626         PR target/87561
4627         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
4628         loads and stores a bit more.
4629
4630 2019-03-18  Richard Biener  <rguenther@suse.de>
4631
4632         PR target/87561
4633         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
4634         load pessimization to stores as well.
4635
4636 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
4637
4638         PR middle-end/86979
4639         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
4640         successor, use NULL as its av set.
4641
4642 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
4643
4644         PR rtl-optimization/89721
4645         * lra-constraints (invariant_p): Return false if side_effects_p holds.
4646
4647 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
4648
4649         PR target/87532
4650         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4651         When handling vec_extract, use modular arithmetic to allow
4652         constant selectors greater than vector length.
4653         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
4654         V1TImode vectors to have constant selector values greater than 0.
4655         Use modular arithmetic to compute vector index.
4656         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
4657         index for in-memory vectors.  Correct code generation for
4658         in-register vectors.
4659         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
4660         compute index.
4661
4662 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
4663
4664         PR c++/88534
4665         PR c++/88537
4666         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
4667         VAR_DECL args.
4668
4669 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
4670
4671         PR c++/89709
4672         * tree.c (inchash::add_expr): Strip any location wrappers.
4673         * fold-const.c (operand_equal_p): Move stripping of location wrapper
4674         after hash verification.
4675
4676         PR debug/89704
4677         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
4678         SIGN_EXTEND and ZERO_EXTEND.
4679
4680 2019-03-14  Jason Merrill  <jason@redhat.com>
4681             Jakub Jelinek  <jakub@redhat.com>
4682
4683         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
4684         than if is_empty (*slot).
4685         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
4686         existing elt and for elt removal.
4687         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
4688         of already removed elt.
4689
4690 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
4691
4692         PR target/89650
4693         * config/i386/i386.c (remove_partial_avx_dependency): Handle
4694         REG_EH_REGION note.
4695
4696 2019-03-14  Martin Liska  <mliska@suse.cz>
4697
4698         PR other/89712
4699         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
4700
4701 2019-03-14  Richard Biener  <rguenther@suse.de>
4702
4703         PR target/89711
4704         * config/i386/i386.c (make_resolver_func): Properly set
4705         DECL_CONTEXT on the RESULT_DECL.
4706         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
4707
4708 2019-03-14  Richard Biener  <rguenther@suse.de>
4709
4710         * gimple-pretty-print.c: Include cfgloop.h.
4711         (dump_gimple_phi): Adjust.
4712         (dump_gimple_bb_header): Dump loop header for GIMPLE.
4713         (pp_cfg_jump): Adjust.
4714         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
4715         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
4716         (lower_phi_internal_fn): Remove.
4717         (verify_gimple_call): Remove IFN_PHI special-casing.
4718         (dump_function_to_file): Dump IL state.
4719         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
4720         done to deal with PHI nodes being present in non-SSA state.
4721
4722 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4723
4724         PR ipa/89684
4725         * multiple_target.c (create_dispatcher_calls): Change
4726         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
4727         In the node->iterate_referring loop, push *ref rather than ref, call
4728         ref->remove_reference () and always pass 0 to iterate_referring.
4729
4730         PR rtl-optimization/89679
4731         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
4732         would contain a paradoxical SUBREG.
4733
4734 2019-03-14  Richard Biener  <rguenther@suse.de>
4735
4736         PR tree-optimization/89710
4737         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
4738         safe_dyn_cast.
4739
4740 2019-03-14  Martin Liska  <mliska@suse.cz>
4741
4742         * coverage.c (coverage_begin_function): Stream also
4743         end_column.
4744         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
4745         documentation about function declaration location.
4746         * gcov-dump.c (tag_function): Print whole range
4747         of function declaration.
4748         * gcov.c (struct function_info): Add end_column field.
4749         (function_info::function_info): Initialize it.
4750         (output_json_intermediate_file): Output {start,end}_column
4751         fields.
4752         (read_graph_file): Read end_column.
4753
4754 2019-03-14  Richard Biener  <rguenther@suse.de>
4755
4756         PR middle-end/89698
4757         * fold-const.c (operand_equal_p): For INDIRECT_REF check
4758         that the access types are similar.
4759
4760 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
4761
4762         PR tree-optimization/89703
4763         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
4764         aren't compatible also with builtin_decl_explicit.  Check pure
4765         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
4766         and BUILT_IN_STPNCPY{,_CHK}.
4767
4768 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
4769
4770         PR target/89523
4771         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
4772         addr32 prefix to VSIB address for X32.
4773         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
4774         "%M2" to opcode.
4775         (*avx512pf_gatherpf<mode>df_mask): Likewise.
4776         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
4777         (*avx512pf_scatterpf<mode>df_mask): Likewise.
4778         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
4779         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
4780         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
4781         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
4782         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
4783         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
4784         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
4785         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
4786         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
4787         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
4788         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
4789         (*avx512f_scatterdi<mode>): Likewise.
4790
4791 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
4792
4793         PR target/85860
4794         * lra-constraints.c (inherit_in_ebb): Update
4795         potential_reload_hard_regs along with live_hard_regs.
4796
4797 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4798
4799         PR debug/89498
4800         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
4801         DWARF_OFFSET_SIZE.
4802         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
4803
4804 2019-03-13  Martin Sebor  <msebor@redhat.com>
4805
4806         PR tree-optimization/89662
4807         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
4808         has a size.
4809
4810 2019-03-13  Richard Biener  <rguenther@suse.de>
4811
4812         PR middle-end/89677
4813         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
4814         throw FP expressions at tree-affine.
4815
4816 2019-03-14  Richard Biener  <rguenther@suse.de>
4817
4818         * tree-pretty-print.c (dump_generic_node): For -gimple properly
4819         dump negative integer constants using _Literal (type) -num.
4820
4821 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
4822
4823         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
4824         nonlocal_value member.
4825
4826         PR middle-end/88588
4827         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
4828         (ipa_simd_modify_function_body): Handle PHIs.
4829
4830 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4831
4832         * config/s390/s390.c (s390_option_override_internal): Use more
4833         aggressive inlining parameters.
4834
4835 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4836
4837         * config/s390/3906.md: New file.
4838         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4839         (LONGRUNNING_THRESHOLD): Remove.
4840         (MAX_SCHED_MIX_SCORE): Decrease.
4841         (MAX_SCHED_MIX_DISTANCE): Decrease.
4842         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
4843         (struct s390_sched_state): New struct to hold scheduling state.
4844         (S390_SCHED_STATE_NORMAL): Remove.
4845         (S390_SCHED_STATE_CRACKED): Remove.
4846         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
4847         (s390_get_sched_attrmask): Use new attribute.
4848         (s390_get_unit_mask): Use new units.
4849         (s390_is_fpd): New function.
4850         (s390_is_fxd): New function.
4851         (s390_is_longrunning): New function.
4852         (s390_sched_score): Use new functions.
4853         (s390_sched_reorder): Likewise.
4854         (s390_sched_variable_issue): Rework and use new functions.
4855         (s390_sched_init): Use new functions.
4856         * config/s390/s390.h (s390_tune_attr):  Add z14.
4857         * config/s390/s390.md: Add z14.
4858
4859 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
4860
4861         * config/s390/2964.md: Update pipeline description.
4862         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
4863         (LONGRUNNING_THRESHOLD): Remove.
4864         (LATENCY_FACTOR): Remove.
4865         (s390_get_unit_mask): Add unit.
4866         (s390_sched_score): Use fxd/fpd.
4867         (s390_sched_variable_issue): Use fxd/fpd.
4868
4869 2019-03-12  Martin Liska  <mliska@suse.cz>
4870
4871         * config/i386/i386.c: Reword an error message.
4872
4873 2019-03-12  Martin Jambor  <mjambor@suse.cz>
4874
4875         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
4876         terminate with newline.
4877
4878 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
4879
4880         PR target/52726
4881         * config/s390/s390.md (tabort): Use %wd instead of
4882         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
4883         letters and periods.
4884         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
4885         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
4886         's with %< and %>.
4887
4888         PR middle-end/89663
4889         * builtins.c (expand_builtin_int_roundingfn,
4890         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
4891         gcc_unreachable if validate_arglist fails.
4892
4893 2019-03-12  Richard Biener  <rguenther@suse.de>
4894
4895         PR tree-optimization/89664
4896         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
4897         free the occurance tree after the early out.
4898
4899 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
4900
4901         PR middle-end/89655
4902         PR bootstrap/89656
4903         * vr-values.c (vr_values::update_value_range): If
4904         old_vr->varying_p (), don't update it, make new_vr also VARYING
4905         and return false.
4906
4907 2019-03-11  Martin Liska  <mliska@suse.cz>
4908
4909         * config/aarch64/aarch64.c (aarch64_override_options_internal):
4910         Fix double string quoting.
4911
4912 2019-03-11  Martin Liska  <mliska@suse.cz>
4913
4914         * collect-utils.c (collect_wait): Wrap apostrophes
4915         in gcc internal format with %'.
4916         * collect2.c (main): Likewise.
4917         (scan_prog_file): Likewise.
4918         (scan_libraries): Likewise.
4919         * config/i386/i386.c (ix86_expand_call): Likewise.
4920         (ix86_handle_interrupt_attribute): Likewise.
4921         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
4922         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
4923         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
4924         * lto-wrapper.c (find_crtoffloadtable): Likewise.
4925         * symtab.c (symtab_node::verify_base): Likewise.
4926         * tree-cfg.c (verify_gimple_label): Likewise.
4927         * tree.c (verify_type_variant): Likewise.
4928
4929 2019-03-11  Martin Liska  <mliska@suse.cz>
4930
4931         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
4932         in a string format message and fix GNU coding style.
4933         (expand_builtin_set_thread_pointer): Likewise.
4934         * common/config/aarch64/aarch64-common.c
4935         (aarch64_rewrite_selected_cpu): Likewise.
4936         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
4937         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
4938         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
4939         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
4940         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
4941         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
4942         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
4943         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
4944         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
4945         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option):
4946         Likewise.
4947         * common/config/riscv/riscv-common.c
4948         (riscv_subset_list::parsing_subset_version): Likewise.
4949         (riscv_subset_list::parse_std_ext): Likewise.
4950         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
4951         (riscv_subset_list::parse): Likewise.
4952         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
4953         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
4954         (aarch64_override_options_internal): Likewise.
4955         (aarch64_validate_mcpu): Likewise.
4956         (aarch64_validate_march): Likewise.
4957         (aarch64_validate_mtune): Likewise.
4958         (aarch64_override_options): Likewise.
4959         * config/alpha/alpha.c (alpha_option_override): Likewise.
4960         * config/arc/arc.c (arc_init): Likewise.
4961         (parse_mrgf_banked_regs_option): Likewise.
4962         (arc_override_options): Likewise.
4963         (arc_expand_builtin_aligned): Likewise.
4964         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
4965         (arm_expand_builtin): Likewise.
4966         * config/arm/arm.c (arm_option_check_internal): Likewise.
4967         (arm_configure_build_target): Likewise.
4968         (arm_option_override): Likewise.
4969         (arm_options_perform_arch_sanity_checks): Likewise.
4970         (arm_handle_cmse_nonsecure_entry): Likewise.
4971         (arm_handle_cmse_nonsecure_call): Likewise.
4972         (arm_tls_referenced_p): Likewise.
4973         (thumb1_expand_prologue): Likewise.
4974         * config/avr/avr.c (avr_option_override): Likewise.
4975         * config/bfin/bfin.c (bfin_option_override): Likewise.
4976         * config/c6x/c6x.c (c6x_option_override): Likewise.
4977         * config/cr16/cr16.c (cr16_override_options): Likewise.
4978         * config/cris/cris.c (cris_option_override): Likewise.
4979         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
4980         * config/darwin-c.c (macosx_version_as_macro): Likewise.
4981         * config/darwin.c (darwin_override_options): Likewise.
4982         * config/frv/frv.c (frv_expand_builtin): Likewise.
4983         * config/h8300/h8300.c (h8300_option_override): Likewise.
4984         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
4985         (ix86_option_override_internal): Likewise.
4986         (warn_once_call_ms2sysv_xlogues): Likewise.
4987         (ix86_expand_prologue): Likewise.
4988         (split_stack_prologue_scratch_regno): Likewise.
4989         (ix86_warn_parameter_passing_abi): Likewise.
4990         * config/ia64/ia64.c (fix_range): Likewise.
4991         * config/m68k/m68k.c (m68k_option_override): Likewise.
4992         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
4993         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
4994         (mips_set_compression_mode): Likewise.
4995         * config/mmix/mmix.c (mmix_option_override): Likewise.
4996         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
4997         * config/msp430/msp430.c (msp430_option_override): Likewise.
4998         * config/nds32/nds32.c (nds32_option_override): Likewise.
4999         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
5000         (nios2_option_override): Likewise.
5001         (nios2_expand_custom_builtin): Likewise.
5002         * config/nvptx/mkoffload.c (main): Likewise.
5003         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
5004         * config/pa/pa.c (fix_range): Likewise.
5005         (pa_option_override): Likewise.
5006         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
5007         (riscv_option_override): Likewise.
5008         * config/rl78/rl78.c (rl78_option_override): Likewise.
5009         * config/rs6000/aix61.h: Likewise.
5010         * config/rs6000/aix71.h: Likewise.
5011         * config/rs6000/aix72.h: Likewise.
5012         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
5013         * config/rs6000/freebsd64.h: Likewise.
5014         * config/rs6000/linux64.h: Likewise.
5015         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
5016         (rs6000_expand_zeroop_builtin): Likewise.
5017         (rs6000_expand_mtfsb_builtin): Likewise.
5018         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
5019         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
5020         (rs6000_invalid_builtin): Likewise.
5021         (rs6000_expand_split_stack_prologue): Likewise.
5022         * config/rs6000/rtems.h: Likewise.
5023         * config/rx/rx.c (valid_psw_flag): Likewise.
5024         (rx_expand_builtin): Likewise.
5025         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
5026         * config/s390/s390.c (s390_expand_builtin): Likewise.
5027         (s390_function_profiler): Likewise.
5028         (s390_option_override_internal): Likewise.
5029         (s390_option_override): Likewise.
5030         * config/sh/sh.c (sh_option_override): Likewise.
5031         (sh_builtin_saveregs): Likewise.
5032         (sh_fix_range): Likewise.
5033         * config/sh/vxworks.h: Likewise.
5034         * config/sparc/sparc.c (sparc_option_override): Likewise.
5035         * config/spu/spu.c (spu_option_override): Likewise.
5036         (fix_range): Likewise.
5037         * config/visium/visium.c (visium_option_override): Likewise.
5038         (visium_handle_interrupt_attr): Likewise.
5039         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
5040         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
5041         (dbg_cnt_process_opt): Likewise.
5042         * dwarf2out.c (output_dwarf_version): Likewise.
5043         * except.c (expand_eh_return): Likewise.
5044         * gcc.c (defined): Likewise.
5045         (driver_handle_option): Likewise.
5046         (process_command): Likewise.
5047         (compare_files): Likewise.
5048         (driver::prepare_infiles): Likewise.
5049         (driver::do_spec_on_infiles): Likewise.
5050         (driver::maybe_run_linker): Likewise.
5051         * omp-offload.c (oacc_parse_default_dims): Likewise.
5052         * opts-global.c (handle_common_deferred_options): Likewise.
5053         * opts.c (parse_sanitizer_options): Likewise.
5054         (common_handle_option): Likewise.
5055         (enable_warning_as_error): Likewise.
5056         * passes.c (enable_disable_pass): Likewise.
5057         * plugin.c (parse_plugin_arg_opt): Likewise.
5058         (default_plugin_dir_name): Likewise.
5059         * targhooks.c (default_expand_builtin_saveregs): Likewise.
5060         (default_pch_valid_p): Likewise.
5061         * toplev.c (init_asm_output): Likewise.
5062         (process_options): Likewise.
5063         (toplev::run_self_tests): Likewise.
5064         * tree-cfg.c (verify_gimple_call): Likewise.
5065         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
5066         (tree_inlinable_function_p): Likewise.
5067         * var-tracking.c (vt_find_locations): Likewise.
5068
5069 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
5070
5071         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
5072         only on the else branch.
5073
5074 2019-03-11  Martin Liska  <mliska@suse.cz>
5075
5076         * gcov.c (output_intermediate_json_line): Print function
5077         name of each line.
5078         (output_json_intermediate_file): Add new argument.
5079         * doc/gcov.texi: Document the change.
5080
5081 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
5082
5083         PR rtl-optimization/89588
5084         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
5085         explicit unrolling factor more robust.
5086
5087 2019-03-11  Richard Biener  <rguenther@suse.de>
5088
5089         PR tree-optimization/89649
5090         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
5091         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
5092         on the prolog and epilog loops.
5093         (vect_loop_versioning): Return copy of loop.
5094         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
5095         on the non-vectorized version of the loop.
5096
5097 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
5098
5099         PR target/68924
5100         * config/i386/sse.md (*vec_extractv2di_0_sse):
5101         Add (=r,x) alternative and corresponding splitter.
5102
5103 2019-03-10  Martin Jambor  <mjambor@suse.cz>
5104
5105         PR tree-optimization/85762
5106         PR tree-optimization/87008
5107         PR tree-optimization/85459
5108         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
5109         it points to if there is a type changing MEM_REF.  Adjust all callers.
5110         (build_accesses_from_assign): Disable total scalarization if
5111         contains_vce_or_bfcref_p returns true through the new parameter, for
5112         both rhs and lhs.
5113
5114 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
5115
5116         PR c/88568
5117         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
5118         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
5119
5120         PR target/79645
5121         * common.opt (fdiagnostics-show-labels,
5122         fdiagnostics-show-line-numbers, fdiagnostics-format=,
5123         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
5124         gas-locview-support, ginline-points, ginternal-reset-location-views):
5125         Terminate description text with a dot.
5126         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
5127         * config/mcore/mcore.opt (m210, m340): Likewise.
5128         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
5129         mnops=): Start description text with a capital letter.
5130         * config/arc/arc.opt (msize-level=): Likewise.
5131         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
5132         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
5133         mnewlib): Likewise.
5134         * config/ft32/ft32.opt (msim): Likewise.
5135         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
5136         (mnodiv, mnopm): Terminate description text with a dot.
5137         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
5138         a colon.
5139         * config/i386/i386.opt (prefer_vector_width, instrument_return):
5140         Likewise.
5141         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
5142         text.
5143
5144         PR rtl-optimization/89634
5145         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
5146         are modified in BB_END (e->src) instruction.
5147
5148 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
5149
5150         PR target/79926
5151         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
5152         messages more amenable to translation, and improve wording.
5153
5154 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
5155
5156         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
5157         ud- and du-chains between phases.
5158
5159 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
5160
5161         PR debug/89631
5162         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
5163         instead of POLY_INT_CST.
5164
5165 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5166
5167         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
5168         requirement.
5169
5170 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
5171
5172         PR target/68924
5173         PR target/78782
5174         PR target/87558
5175         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
5176         (_mm_storeu_si64): Ditto.
5177
5178 2019-03-08  Martin Liska  <mliska@suse.cz>
5179
5180         PR target/86952
5181         * config/i386/i386.c (ix86_option_override_internal): Disable
5182         jump tables when retpolines are used.
5183
5184 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
5185
5186         PR go/63560
5187         * ipa-split.c (execute_split_functions): Do not split
5188         'noinline' or 'section' function.
5189
5190 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5191
5192         PR target/79846
5193         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
5194         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
5195         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
5196
5197         PR ipa/80000
5198         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
5199         from diagnostics.  Formatting fixes.
5200
5201         PR target/85665
5202         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
5203         warn_odr diagnostics.
5204
5205         PR other/80058
5206         * lra-constraints.c (process_alt_operands): Avoid one space before
5207         " at the end of line and another after " on another line in a string
5208         literal.
5209         * attribs.c (handle_dll_attribute): Likewise.
5210         * config/avr/avr-devices.c (avr_texinfo): Likewise.
5211
5212         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
5213         warning_at or inform messages in G_() if there is no ?:.
5214
5215         PR tree-optimization/89550
5216         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
5217         returned true.  Formatting fixes.
5218         (expand_builtin_strnlen): Formatting fixes.
5219         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
5220         if warning_at returned true.
5221         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
5222
5223 2019-03-08  Richard Biener  <rguenther@suse.de>
5224
5225         PR middle-end/89578
5226         * cfgloop.h (struct loop): Add owned_clique field.
5227         * cfgloopmanip.c (copy_loop_info): Copy it.
5228         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
5229         cliques.
5230         * tree-inline.c (copy_loops): Remap owned_clique.
5231         * lto-streamer-in.c (input_cfg): Stream owned_clique.
5232         * lto-streamer-out.c (output_cfg): Likewise.
5233
5234 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
5235
5236         PR target/80190
5237         * config/darwin.c: Include intl.h.
5238         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
5239         composing the message out of two separate parts.
5240
5241 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5242
5243         PR target/80003
5244         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
5245         doesn't start with a capital letter and doesn't end with a dot.
5246         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
5247         with a capital letter.
5248         (ix86_mangle_function_version_assembler_name): Likewise.
5249         (ix86_generate_version_dispatcher_body): Likewise.
5250         (fold_builtin_cpu): Likewise.
5251         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
5252         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
5253         translators, wrap full type name in %qs.
5254
5255         PR translation/79999
5256         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
5257         depend clause with source (or sink) modifier.
5258         * omp-expand.c (expand_omp_ordered_sink): Likewise.
5259
5260         PR target/89602
5261         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
5262         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
5263         (avx512f_load<mode>_mask): New define_expand.
5264         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
5265         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
5266         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
5267         __builtin_ia32_movess_mask): New builtins.
5268         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
5269         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
5270         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
5271         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
5272
5273 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5274
5275         PR lto/87525
5276         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
5277         for extern inline functions.
5278
5279 2019-03-07  Martin Jambor  <mjambor@suse.cz>
5280
5281         PR ipa/88235
5282         * cgraph.h (cgraph_node): New inline method former_thunk_p.
5283         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
5284         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
5285         have multiple callees.  At the end check if declarations match as
5286         opposed to cgraph_nodes.
5287
5288 2019-03-07  Martin Liska  <mliska@suse.cz>
5289
5290         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
5291         which is equivalent to searching for this in clones chain.
5292         * symtab.c (symtab_node::verify_base): Similarly compare ASM
5293         names with a neighbour and special case first node in a chain.
5294
5295 2019-01-25  Jason Merrill  <jason@redhat.com>
5296
5297         PR c++/80916 - spurious "static but not defined" warning.
5298         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
5299         for an internal symbol with DECL_EXTERNAL.
5300
5301 2019-04-07  Richard Biener  <rguenther@suse.de>
5302
5303         PR middle-end/89618
5304         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
5305         * tree-inline.c (copy_loops): Simplify.
5306
5307 2019-03-07  Martin Liska  <mliska@suse.cz>
5308
5309         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
5310
5311 2019-03-07  Richard Biener  <rguenther@suse.de>
5312
5313         PR tree-optimization/89595
5314         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
5315         stmt iterator as reference, take boolean output parameter to
5316         indicate whether the stmt was removed and thus the iterator
5317         already advanced.
5318         (dom_opt_dom_walker::before_dom_children): Re-iterate over
5319         stmts created by folding.
5320
5321 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
5322
5323         PR c++/89585
5324         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
5325         at toplevel.
5326
5327 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
5328
5329         PR rtl-optimization/88845
5330         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
5331         LRA.
5332         * lra.c (remove_scratches_1): New function.
5333         (remove_scratches): Use it.
5334         (lra_emit_move): Likewise.
5335
5336 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
5337
5338         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
5339         unaligned_access variable.
5340         * config/arc/arc.c (arc_override_options): Set unaligned access
5341         default on for HS CPUs.
5342         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
5343
5344 2019-03-06  Martin Liska  <mliska@suse.cz>
5345
5346         PR gcov-profile/89577
5347         * doc/gcov.texi: Prefer to use --coverage.
5348         * doc/sourcebuild.texi: Likewise.
5349
5350 2019-03-02  Jason Merrill  <jason@redhat.com>
5351
5352         PR c++/86485 - -Wmaybe-unused with empty class ?:
5353         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
5354
5355 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5356
5357         PR target/89587
5358         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
5359         if_multiarch.
5360
5361         PR middle-end/89590
5362         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
5363         exactly one argument.
5364
5365 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5366             Richard Sandiford  <richard.sandiford@arm.com>
5367
5368         PR tree-optimization/89570
5369         * match.pd (vec_cond into cond_op simplification): Don't use
5370         get_conditional_internal_fn, use as_internal_fn (cond_op).
5371
5372 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
5373
5374         PR target/89222
5375         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
5376         to decide when to split off a non-zero offset from a symbol.
5377         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
5378         in function symbols.
5379
5380 2019-03-05  Richard Biener  <rguenther@suse.de>
5381
5382         PR tree-optimization/89594
5383         * tree-if-conv.c (pass_if_conversion::execute): Handle
5384         case where .LOOP_VECTORIZED_FUNCTION was removed.
5385
5386 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
5387
5388         PR bootstrap/89560
5389         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
5390         instead alloca it only when needed with the needed size.
5391
5392         PR tree-optimization/89570
5393         * match.pd (vec_cond into cond_op simplification): Guard with
5394         vectorized_internal_fn_supported_p test and #if GIMPLE.
5395
5396         PR tree-optimization/89566
5397         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
5398         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
5399         Punt if get_user_idx_format succeeds, but idx_format argument is
5400         not provided or doesn't have pointer type, or if idx_args is above
5401         number of provided arguments.
5402
5403 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
5404
5405         PR tree-optimization/89437
5406         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
5407
5408 2019-03-04  Richard Biener  <rguenther@suse.de>
5409
5410         PR middle-end/89572
5411         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
5412         safe_dyn_cast.
5413
5414 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
5415
5416         PR tree-optimization/89487
5417         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
5418         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
5419         (distribute_loop): Don't do runtime alias check if there is non-
5420         addressable data reference.
5421         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
5422         is a register variable.
5423
5424 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
5425
5426         PR target/89506
5427         * config/arm/arm.md (cmpsi2_addneg): Use
5428         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
5429         If operands[2] is 0 or INT_MIN, force use of subs.
5430         (*compare_scc splitter): Use gen_int_mode.
5431         (*negscc): Likewise.
5432         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
5433
5434 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
5435             Monk Chiang  <sh.chiang04@gmail.com>
5436
5437         * common/config/riscv/riscv-common.c: Include sstream.
5438         (riscv_subset_list::to_string): New.
5439         (riscv_arch_str): Likewise.
5440         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
5441         * config.in: Regen.
5442         * config/riscv/riscv-protos.h (riscv_arch_str): New.
5443         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
5444         (riscv_emit_attribute): New.
5445         (riscv_file_start): Emit attribute if needed.
5446         (riscv_option_override): Init riscv_emit_attribute_p.
5447         * config/riscv/riscv.opt (mriscv-attribute): New option.
5448         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
5449         * configure: Regen.
5450         * doc/install.texi: Document --with-riscv-attribute.
5451         * doc/invoke.texi: Document -mriscv-attribute.
5452
5453         * common/config/riscv/riscv-common.c:
5454         Include config/riscv/riscv-protos.h.
5455         (INCLUDE_STRING): Defined.
5456         (RISCV_DONT_CARE_VERSION): Defined.
5457         (riscv_subset_t): Declare.
5458         (riscv_subset_t::riscv_subset_t): New.
5459         (riscv_subset_list): Declare.
5460         (riscv_subset_list::riscv_subset_list): New.
5461         (riscv_subset_list::~riscv_subset_list): Likewise.
5462         (riscv_subset_list::parsing_subset_version): Likewise.
5463         (riscv_subset_list::parse_std_ext): Likewise.
5464         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
5465         (riscv_subset_list::add): Likewise.
5466         (riscv_subset_list::lookup): Likewise.
5467         (riscv_subset_list::xlen): Likewise.
5468         (riscv_subset_list::parse): Likewise.
5469         (riscv_supported_std_ext): Likewise.
5470         (current_subset_list): Likewise.
5471         (riscv_parse_arch_string): Using riscv_subset_list::parse to
5472         parse.
5473
5474 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
5475
5476         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
5477         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
5478         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
5479
5480 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
5481
5482         PR rtl-optimization/85899
5483         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
5484         fallthru edges leading to the exit block.
5485
5486 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
5487
5488         PR target/89517
5489         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
5490         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
5491
5492 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
5493
5494         PR tree-optimization/89535
5495         * tree-vect-stmts.c (vectorizable_call): Record the vector types
5496         for each operand.  Calculate the fallback choice for mask operands
5497         and pass it to vect_get_vec_def_for_operand.
5498
5499 2019-03-01  Richard Biener  <rguenther@suse.de>
5500
5501         PR middle-end/89541
5502         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
5503         get virtual operands.
5504         (get_expr_operands): Handle CONST_DECL like other decls.
5505
5506 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5507
5508         PR middle-end/89503
5509         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
5510         on DECL_P and EXPR_P.
5511
5512 2019-03-01  Richard Biener  <rguenther@suse.de>
5513
5514         PR middle-end/89497
5515         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
5516         argument, defaulted to zero.
5517         * passes.c (execute_function_todo): Pass down SSA update flags
5518         to cleanup_tree_cfg.
5519         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
5520         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
5521         form if requested.
5522         (cleanup_tree_cfg): Get and pass down SSA update flags.
5523
5524 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
5525
5526         PR bootstrap/89539
5527         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
5528         early_lto_debug argument.
5529
5530 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
5531
5532         PR tree-optimization/89536
5533         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
5534         only whether bit #0 of the value is 0 instead of the entire value.
5535
5536 2019-02-28  Marek Polacek  <polacek@redhat.com>
5537
5538         PR c++/87068 - missing diagnostic with fallthrough statement.
5539         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
5540         at the end of a seq, save its location to walk_stmt_info.
5541         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
5542         a switch.
5543
5544 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
5545
5546         PR lto/88585
5547         * tree.c (find_atomic_core_type): Move ahead in file.
5548         (check_base_type): Correctly compare alignments of atomic types.
5549
5550 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5551
5552         PR target/89455
5553         * config/i386/i386.c (get_builtin_code_for_version): Identify
5554         Westmere from PCLMUL, instead of AES.
5555
5556 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5557
5558         PR target/89434
5559         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
5560         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
5561         -UINTVAL (...).
5562
5563 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
5564
5565         PR target/88530
5566         * config/aarch64/aarch64-option-extensions.def: Document it.
5567         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
5568         if empty hwcaps.
5569
5570 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
5571
5572         PR c/89520
5573         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
5574         builtins if they don't have a single scalar floating point argument.
5575         Formatting fixes.
5576
5577 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5578
5579         PR rtl-optimization/89490
5580         * varasm.c (get_block_for_section): Bail out for mergeable sections.
5581         (default_use_anchors_for_symbol_p, output_object_block): Assert the
5582         block section is not mergeable.
5583
5584 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5585
5586         PR target/70341
5587         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
5588         old define_insn to ...
5589         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
5590         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
5591         Rename old define_insn to ...
5592         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
5593         (thumb2_casesi_internal_pic): New define_expand.  Rename old
5594         define_insn to ...
5595         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
5596         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
5597         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
5598
5599 2019-02-27  Richard Biener  <rguenther@suse.de>
5600
5601         PR debug/88878
5602         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
5603
5604 2019-02-27  Richard Biener  <rguenther@suse.de>
5605
5606         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
5607         building.
5608
5609 2019-02-27  Richard Biener  <rguenther@suse.de>
5610
5611         PR debug/88878
5612         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
5613         parameter, prefix section name with .gnu.debuglto_ if true.
5614         (dwarf2out_finish): Pass false to output_comdat_type_unit.
5615         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
5616
5617 2019-02-27  Richard Biener  <rguenther@suse.de>
5618
5619         PR debug/89514
5620         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
5621         rather than on use_debug_types, doing what output_die does.
5622         (value_format): Likewise.
5623
5624 2019-02-27  Martin Jambor  <mjambor@suse.cz>
5625             Martin Sebor  <msebor@redhat.com>
5626
5627         * doc/invoke.texi (Warning Options): Reword description of
5628         -Wno-absolute-value.
5629
5630 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
5631
5632         PR tree-optimization/89280
5633         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
5634         builtin_setjmp_setup_bb): New functions.
5635         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
5636         When visiting __builtin_setjmp_setup block, queue in special
5637         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
5638         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
5639         from visited after the loop if they don't have any visited successor
5640         blocks.
5641
5642 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
5643
5644         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
5645         New function.
5646         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
5647
5648 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5649
5650         PR c++/89507
5651         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
5652         with types other than sizetype/ssizetype.
5653
5654 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5655
5656         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
5657         (enum sparc_processor_type): ...this.
5658         (enum sparc_code_model_type): New enumeration type.
5659         (enum sparc_memory_model_type): Tweak comments.
5660         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
5661         (mtune): Likewise.
5662         (mcmodel): Use sparc_code_model enumeration and variable.
5663         (sparc_code_model): New enumeration.
5664         (mdebug): Add Undocumented marker.
5665         * config/sparc/sparc.h (enum cmodel): Delete.
5666         (sparc_cmodel): Likewise.
5667         (TARGET_CM_MEDLOW): Adjust to above renaming.
5668         (TARGET_CM_MEDMID): Likewise.
5669         (TARGET_CM_MEDANY): Likewise.
5670         (TARGET_CM_EMBMEDANY): Likewise.
5671         * config/sparc/sparc.c (sparc_cmodel): Delete.
5672         (sparc_option_override): Remove string/value mapping support for the
5673         code model.  Move code and memory model support to after the handling
5674         of target flags.  Do private machine setup last.
5675         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
5676         (sparc_legitimize_reload_address): Likewise.
5677         (sparc_output_mi_thunk): Likewise.
5678         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
5679
5680 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5681
5682         PR tree-optimization/89500
5683         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
5684         (handle_builtin_strlen): Remove noncst_bound variable.  Always
5685         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
5686         cst if the first cst bytes starting at x are known to be non-zero,
5687         even if the string is not zero terminated.  Don't try to modify
5688         *si for strnlen.  Update strlen_to_stridx only for strlen or if
5689         we can prove strnlen returns the same value as strlen would.
5690
5691 2019-02-26  Martin Liska  <mliska@suse.cz>
5692
5693         * alloc-pool.h (struct pool_usage): Remove extra
5694         print_dash_line.
5695         * bitmap.h (struct bitmap_usage): Likewise.
5696         * ggc-common.c (struct ggc_usage): Likewise.
5697         * mem-stats.h (struct mem_usage): Likewise.
5698         (mem_alloc_description::dump): Print dash lines
5699         here and repeat header at the end of a table report.
5700         It's then more readable.
5701         * tree-phinodes.c (phinodes_print_statistics): Make
5702         horizontal alignment.
5703         * tree-ssanames.c (ssanames_print_statistics): Likewise.
5704         * vec.c (struct vec_usage): Remove extra print_dash_line.
5705         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
5706
5707 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
5708
5709         * doc/extend.texi (__builtin_object_size):
5710         Use @pxref instead of @xref inside parenthesis.
5711         (__builtin_has_attribute): Add missing comma after @xref.
5712         (__builtin_object_size): Ditto.
5713         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
5714         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
5715         in the list.
5716
5717 2019-02-26  Jeff Law  <law@redhat.com>
5718
5719         PR rtl-optimization/87761
5720         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
5721         detect obviously dead insns and delete them.
5722
5723 2019-02-26  Richard Biener  <rguenther@suse.de>
5724
5725         PR tree-optimization/89505
5726         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
5727         to handle restrict pointed-to vars with multiple subvars
5728         correctly.
5729
5730 2019-02-26  Richard Biener  <rguenther@suse.de>
5731
5732         PR tree-optimization/89489
5733         * tree-parloops.c (create_loop_fn): Copy over last_clique.
5734
5735 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
5736
5737         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
5738         and move around comment.
5739         <BIT_AND_EXPR>: Likewise.
5740         <BIT_NOT_EXPR>: Add specific handling for boolean types.
5741
5742 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
5743
5744         PR target/89474
5745         * config/i386/i386.c (remove_partial_avx_dependency): Call
5746         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
5747         after changing possibly many instructions to use that pseudo.  Fix up
5748         insertion of v4sf_const0 setter at the start of bb.
5749
5750 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5751
5752         PR c/80409
5753         * doc/extend.texi (Variadic Pointer Args): New section.
5754
5755 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
5756             Martin Sebor  <msebor@gmail.com>
5757
5758         * common.opt (Wattribute-alias): Likewise.
5759         * doc/invoke.texi (Option Summary): List general form of
5760         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
5761         (-Wmissing-attributes): Invert entry, rewrite and correct default.
5762         Add cross-references.
5763         (-Wattribute-alias): Rewrite and correct default.  Mention
5764         considered attributes (same as for -Wmissing-attributes).
5765
5766 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
5767
5768         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
5769         (_mm_cvtpd_ps): Likewise.
5770         (_mm_cvttpd_epi32): Likewise.
5771
5772         PR target/89338
5773         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
5774         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
5775
5776         PR target/89339
5777         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
5778
5779 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5780
5781         PR target/88530
5782         * common/config/aarch64/aarch64-common.c
5783         (struct aarch64_option_extension): Add is_synthetic.
5784         (all_extensions): Use it.
5785         (TARGET_OPTION_INIT_STRUCT): Define hook.
5786         (struct gcc_targetm_common): Moved to end.
5787         (all_extensions_by_on): New.
5788         (opt_ext_cmp, typedef opt_ext): New.
5789         (aarch64_option_init_struct): New.
5790         (aarch64_contains_opt): New.
5791         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
5792         * config/aarch64/aarch64-option-extensions.def
5793         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
5794         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
5795         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
5796         Set is_synthetic to false.
5797         (crypto): Set is_synthetic to true.
5798         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
5799         SYNTHETIC.
5800
5801 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5802
5803         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5804         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
5805         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5806         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
5807         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
5808         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
5809         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
5810         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
5811         Rename ...
5812         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
5813         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5814         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
5815         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
5816         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
5817         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
5818         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
5819         vfmlsl_laneq_high_f16): ... To this.
5820         * config/arm/neon.md: Update comments.
5821
5822 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
5823
5824         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
5825         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
5826         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
5827         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
5828         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
5829         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
5830         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
5831         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
5832         Rename ...
5833         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
5834         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
5835         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
5836         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
5837         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
5838         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
5839         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
5840         vfmlslq_laneq_high_f16): ... To this.
5841
5842 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
5843
5844         PR rtl-optimization/86096
5845         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
5846         comparing mw_order values.
5847
5848 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
5849
5850         PR target/89434
5851         * config/arm/arm.md (*subsi3_carryin_const): Use
5852         arm_neg_immediate_operand predicate instead of
5853         arm_not_immediate_operand, "L" constraint instead of "K" and
5854         print it using %n2 instead of %B2.
5855         (*subsi3_carryin_const0): New define_insn.
5856         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
5857         instead of arm_not_operand and "I" constraint instead of "K" and
5858         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
5859         another match_operand and in the condition check that it is negation
5860         of operands[2].
5861         (*subsi3_carryin_compare_const0): New define_ins.
5862         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
5863         *subsi3_carryin_const.
5864         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
5865         split into *subsi3_carryin_compare_const0 if the highpart is zero.
5866
5867         PR target/89438
5868         * config/arm.vfp.md (*negdf2_vfp): Use
5869         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
5870         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
5871
5872 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
5873
5874         PR rtl-optimization/89445
5875         * simplify-rtx.c (simplify_ternary_operation): Don't use
5876         simplify_merge_mask on operands that may trap.
5877         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
5878         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
5879         second operand is CONST_VECTOR, check if any element could be zero.
5880         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
5881         their operands can trap.
5882
5883 2019-02-23  Martin Sebor  <msebor@redhat.com>
5884
5885         * gimple-ssa-sprintf.c (target_strtol): Rename...
5886         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
5887         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
5888         check for range error.
5889
5890 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5891
5892         PR driver/69471
5893         * opts-common.c (prune_options): Also prune joined switches
5894         with Negative and RejectNegative.
5895         * config/i386/i386.opt (march=): Add Negative(march=).
5896         (mtune=): Add Negative(mtune=).
5897         * doc/options.texi: Document Negative used together with Joined
5898         and RejectNegative.
5899
5900 2019-02-22  Martin Sebor  <msebor@redhat.com>
5901
5902         * doc/extend.texi (Other Builtins): Add
5903         __builtin_is_constant_evaluated.
5904
5905 2019-02-22  Richard Biener  <rguenther@suse.de>
5906
5907         PR tree-optimization/87609
5908         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
5909
5910 2019-02-22  Jeff Law  <law@redhat.com>
5911
5912         PR rtl-optimization/87761
5913         * config/mips/mips.md: Add new combiner pattern to recognize
5914         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
5915
5916 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
5917
5918         PR target/89324
5919         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
5920         destination register in peepholes generating patterns for ADDS/SUBS.
5921         (add<mode>3_compare0,
5922         *addsi3_compare0_uxtw, add<mode>3_compareC,
5923         add<mode>3_compareV_imm, add<mode>3_compareV,
5924         *adds_<optab><ALLX:mode>_<GPI:mode>,
5925         *subs_<optab><ALLX:mode>_<GPI:mode>,
5926         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
5927         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
5928         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
5929         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
5930         sub<mode>3_compare1): Allow stack pointer for source register.
5931         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
5932
5933 2019-02-22  Martin Sebor  <msebor@redhat.com>
5934
5935         PR tree-optimization/88993
5936         PR tree-optimization/88853
5937         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
5938         New helper.
5939         (sprintf_dom_walker::call_info::is_string_func): New helper.
5940         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
5941         for formatted string functions.
5942         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
5943
5944 2019-02-22  Martin Sebor  <msebor@redhat.com>
5945
5946         PR c/89425
5947         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
5948         unreachable subexpressions.
5949
5950 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
5951             Hongtao Liu  <hongtao.liu@intel.com>
5952             Sunil K Pandey  <sunil.k.pandey@intel.com>
5953
5954         PR target/87007
5955         * config/i386/i386-passes.def: Add
5956         pass_remove_partial_avx_dependency.
5957         * config/i386/i386-protos.h
5958         (make_pass_remove_partial_avx_dependency): New.
5959         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
5960         New function.
5961         (pass_data_remove_partial_avx_dependency): New.
5962         (pass_remove_partial_avx_dependency): Likewise.
5963         (make_pass_remove_partial_avx_dependency): Likewise.
5964         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
5965         (*extendsfdf2): Add avx_partial_xmm_update.
5966         (truncdfsf2): Likewise.
5967         (*float<SWI48:mode><MODEF:mode>2): Likewise.
5968         (SF/DF conversion splitters): Disabled for TARGET_AVX.
5969
5970 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
5971
5972         PR middle-end/85598
5973         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
5974         analysis for pass.
5975
5976 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
5977
5978         PR target/89444
5979         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
5980         (PTA_SKYLAKE): Add PTA_AES.
5981         (PTA_GOLDMONT): Likewise.
5982
5983 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
5984
5985         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
5986         instruction if enabled.
5987         (aarch64_override_options): Remove reference to return address key.
5988
5989 2019-02-22  Richard Biener  <rguenther@suse.de>
5990
5991         PR tree-optimization/89440
5992         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
5993         not necessary assert.
5994
5995 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
5996
5997         PR fortran/72741
5998         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
5999         (oacc_replace_fn_attrib_attr): ... this new function.
6000         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
6001         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
6002
6003 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6004
6005         * config/arm/arm-cpus.in (ares): Rename to...
6006         (neoverse-n1): ... This.  Add ares as alias.
6007         * config/arm/arm-tables.opt: Regenerate.
6008         * config/arm/arm-tune.md: Likewise.
6009         * doc/invoke.txt (ARM Options): Document neoverse-n1.
6010
6011 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6012
6013         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
6014         * config/aarch64/aarch64-tune.md: Regenerate.
6015         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
6016
6017 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6018
6019         * config/aarch64/aarch64.c (ares_tunings): Rename to...
6020         (neoversen1_tunings): ... This.
6021         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
6022         (neoverse-n1): New CPU.
6023         * config/aarch64/aarch64-tune.md: Regenerate.
6024         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
6025
6026 2019-02-22  Richard Biener  <rguenther@suse.de>
6027
6028         PR middle-end/87609
6029         * cfghooks.h (dependence_hash): New typedef.
6030         (struct copy_bb_data): New type.
6031         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
6032         (duplicate_block): Likewise.
6033         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
6034         (copy_bbs): Create and pass down copy_bb_data.
6035         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
6036         (rtl_duplicate_bb): Likewise.
6037         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
6038         remap dependence info.
6039
6040 2019-02-22  Richard Biener  <rguenther@suse.de>
6041
6042         PR tree-optimization/87609
6043         * tree-core.h (tree_base): Document special clique values.
6044         * tree-inline.c (remap_dependence_clique): Do not use the
6045         special clique value of one.
6046         (maybe_set_dependence_info): Use clique one.
6047         (clear_dependence_clique): New callback.
6048         (compute_dependence_clique): Clear clique one from all refs
6049         before assigning it (again).
6050
6051 2019-02-21  Martin Sebor  <msebor@redhat.com>
6052
6053         * doc/extend.texi (__clear_cache): Correct signature.
6054
6055 2019-02-21  Ian Lance Taylor  <iant@golang.org>
6056
6057         PR go/89170
6058         * varasm.c (decode_addr_const): Call lookup_constant_def rather
6059         than output_constant_def.
6060         (add_constant_to_table): New static function.
6061         (output_constant_def): Call add_constant_to_table.
6062         (tree_output_constant_def): Likewise.
6063
6064 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6065
6066         PR c++/89285
6067         * builtins.c (fold_builtin_arith_overflow): If first two args are
6068         INTEGER_CSTs, set intres and ovfres to constants rather than calls
6069         to ifn.
6070
6071 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
6072
6073         PR target/87412
6074         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
6075         error for -mindirect-branch/-mfunction-return with incompatible
6076         -fcf-protection.
6077
6078 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
6079
6080         PR bootstrap/88714
6081         * constraints.md (q): Remove.
6082         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
6083         instead of q.
6084
6085 2019-02-21  Martin Jambor  <mjambor@suse.cz>
6086
6087         PR hsa/89302
6088         * omp-general.c (omp_extract_for_data): Removed a duplicate call
6089         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
6090         (omp_adjust_for_condition): ...here.  Added necessary parameters.
6091         * omp-general.h (omp_adjust_for_condition): Updated declaration.
6092         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
6093         proper values to new parameters of omp_adjust_for_condition.
6094
6095 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6096
6097         PR middle-end/89412
6098         * expr.c (expand_assignment): If result is a MEM, use change_address
6099         instead of simplify_gen_subreg.
6100
6101 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6102             David Malcolm  <dmalcolm@redhat.com>
6103
6104         PR middle-end/89091
6105         * fold-const.c (decode_field_reference): Return NULL_TREE if
6106         lang_hooks.types.type_for_size returns NULL.  Check it before
6107         overwriting *exp_.  Use return NULL_TREE instead of return 0.
6108
6109 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
6110
6111         PR middle-end/88074
6112         PR middle-end/89415
6113         * toplev.c (do_compile): Double the emin/emax exponents to workaround
6114         buggy mpc_norm.
6115
6116 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
6117
6118         PR target/89397
6119         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
6120         TARGET_SSE in addition to TARGET_SSE_MATH.
6121
6122         (ix86_excess_precision): Ditto.
6123         (ix86_float_exceptions_rounding_supported_p): Ditto.
6124         (use_rsqrt_p): Ditto.
6125         * config/i386/sse.md (rsqrt<mode>2): Ditto.
6126
6127 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
6128
6129         PR c/89410
6130         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
6131         linenum_arith_t when determining if two adjacent line spans are
6132         close enough to merge.
6133         (diagnostic_show_locus): Use linenum_arith_t when iterating over
6134         lines within each line_span.
6135
6136 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
6137
6138         PR target/86487
6139         * lra-constraints.c(uses_hard_regs_p): Fix handling of
6140         paradoxical SUBREGS.
6141
6142 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
6143
6144         PR target/88100
6145         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
6146         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
6147         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
6148         range checking it.
6149
6150 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
6151
6152         * config/gcn/gcn.c (print_operand): Fix typo.
6153
6154 2019-02-19  Richard Biener  <rguenther@suse.de>
6155
6156         PR middle-end/88074
6157         * toplev.c (do_compile): Initialize mpfr's exponent range
6158         based on available float modes.
6159
6160 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6161
6162         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
6163         as long as the epilogue isn't completed.
6164
6165 2019-02-18  Martin Sebor  <msebor@redhat.com>
6166
6167         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
6168         __has_cpp_attribute, and __has_include.
6169
6170 2019-02-18  Martin Sebor  <msebor@redhat.com>
6171
6172         * doc/invoke.texi (-Wreturn-type): Correct and expand.
6173
6174 2019-02-18  Martin Sebor  <msebor@redhat.com>
6175
6176         PR middle-end/89294
6177         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
6178         expression.
6179         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
6180
6181 2019-02-18  Richard Biener  <rguenther@suse.de>
6182
6183         PR tree-optimization/89296
6184         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
6185         of no-warning flag to cases that might emit the bogus warning.
6186
6187 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
6188
6189         PR bootstrap/88714
6190         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
6191         "q" constraint.
6192         * config/arm/vfp.md (*movdi_vfp): Likewise.
6193         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
6194         "q" constraint for operands[0].
6195
6196         PR target/89369
6197         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
6198         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
6199         pattern in a temporary buffer.
6200         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
6201         than 64-operands[2].
6202
6203         PR target/89361
6204         * config/s390/s390.c (s390_indirect_branch_attrvalue,
6205         s390_indirect_branch_settings): Define unconditionally.
6206         (s390_set_current_function): Likewise, but guard the whole body except
6207         the s390_indirect_branch_settings call with
6208         #if S390_USE_TARGET_ATTRIBUTE.
6209         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
6210
6211         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
6212         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
6213         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
6214         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
6215         HOST_WIDE_INT_1U instead of 1ULL.
6216         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
6217         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
6218         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
6219         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
6220         instead of 1UL.
6221         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
6222         instead of 1ul.
6223
6224 2019-02-18  Martin Jambor  <mjambor@suse.cz>
6225
6226         PR tree-optimization/89209
6227         * tree-sra.c (create_access_replacement): New optional parameter
6228         reg_tree.  Use it as a type if non-NULL and access type is not of
6229         a register type.
6230         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
6231         to create_access_replacement.
6232         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
6233         Check lacc is non-NULL before attempting to re-create it on the RHS.
6234
6235 2019-02-18  Martin Liska  <mliska@suse.cz>
6236
6237         PR ipa/89306
6238         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
6239         by default.
6240         (symbol_table::free_edge): Recycle m_summary_id.
6241         * cgraph.h (get_summary_id): New.
6242         (symbol_table::release_symbol): Set m_summary_id to -1
6243         by default.
6244         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
6245         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
6246         function_summary to fast_function_summary.
6247         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
6248         * ipa-pure-const.c (class funct_state_summary_t):
6249         Switch from function_summary to fast_function_summary.
6250         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
6251         (class ipa_ref_opt_summary_t): Switch from function_summary
6252         to fast_function_summary.
6253         * symbol-summary.h (class function_summary_base): New class
6254         that is created from base of former function_summary.
6255         (function_summary_base::unregister_hooks): New.
6256         (class function_summary): Inherit from function_summary_base.
6257         (class call_summary_base): New class
6258         that is created from base of former call_summary.
6259         (class call_summary): Inherit from call_summary_base.
6260         (struct is_same): New.
6261         (class fast_function_summary): New summary class.
6262         (class fast_call_summary): New summary class.
6263         * vec.h (vec_safe_grow_cleared): New function.
6264
6265 2019-02-18  Martin Liska  <mliska@suse.cz>
6266
6267         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
6268         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
6269         * doc/tm.texi: Document new target hook.
6270         * doc/tm.texi.in: Likewise.
6271         * target.def: Add new target macro.
6272         * gcc.c (find_fortran_preinclude_file): Do not search multilib
6273         suffixes.
6274
6275 2019-02-17  Alan Modra  <amodra@gmail.com>
6276
6277         PR target/89271
6278         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
6279         output reg on add insn.
6280         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
6281
6282 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6283
6284         PR target/89372
6285         * config/i386/sse.md (ssedoublemode): Remove V4HI.
6286         (PMULHRSW): Likewise.
6287         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
6288         TARGET_AVX2.
6289         (ssse3_pmulhrswv4hi3): New expander.
6290
6291 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6292
6293         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
6294         MMX.  Add isa attribute.
6295
6296 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
6297
6298         PR rtl-optimization/66152
6299         * builtins.h (c_readstr): Declare.
6300         * builtins.c (c_readstr): Remove forward declaration.  Add
6301         null_terminated_p argument, if false, read all bytes from the
6302         string instead of stopping after '\0'.
6303         * expr.c (string_cst_read_str): New function.
6304         (store_expr): Use string_cst_read_str instead of
6305         builtin_strncpy_read_str.  Try to store by pieces the whole
6306         exp_len first, and only if that fails, split it up into
6307         store by pieces followed by clear_storage.  Formatting fix.
6308
6309         * config/i386/i386.md (*movqi_internal): Remove static from
6310         buf variable.  Use output_asm_insn (buf, operands); return "";
6311         instead of return buf;.
6312         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
6313         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
6314         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
6315
6316 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6317
6318         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
6319         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
6320         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
6321         (CC1_SPEC): Likewise.
6322         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
6323
6324 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6325
6326         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
6327         the base address on 64-bit strict-alignment platforms.
6328
6329 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6330
6331         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
6332
6333 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6334
6335         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
6336
6337 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
6338
6339         PR rtl-optimization/88308
6340         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
6341         on copied instruction.
6342
6343 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6344
6345         * final.c (insn_current_reference_address): Replace test on JUMP_P
6346         with test on jump_to_label_p.
6347         * config/visium/visium-passes.def: New file.
6348         * config/visium/t-visium (PASSES_EXTRA): Define.
6349         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
6350         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
6351         (TRAMPOLINE_ALIGNMENT): Define.
6352         * config/visium/visium.c (visium_option_override): Do not register
6353         the machine-specific reorg pass here.
6354         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
6355         for the GR6.
6356         (output_branch): Adjust threshold for long branch instruction.
6357         * config/visium/visium.md (cpu): Move around.
6358         (length): Adjust for the GR6.
6359
6360 2019-02-15  Richard Biener  <rguenther@suse.de>
6361             Jakub Jelinek  <jakub@redhat.com>
6362
6363         PR tree-optimization/89278
6364         * tree-loop-distribution.c: Include tree-eh.h.
6365         (generate_memset_builtin, generate_memcpy_builtin): Call
6366         rewrite_to_non_trapping_overflow on builtin->size before passing it
6367         to force_gimple_operand_gsi.
6368
6369 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
6370
6371         PR other/89342
6372         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
6373         optimize_debug.
6374         * opth-gen.awk: Likewise.
6375
6376 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
6377
6378         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
6379         Enable MMX, SSE and SSE2 by default.
6380         * config/i386/i386.c (ix86_option_override_internal): Do not
6381         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
6382
6383 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6384
6385         PR rtl-optimization/89354
6386         * combine.c (make_extraction): Punt if extraction_mode is narrower
6387         than len bits.
6388
6389 2019-02-14  Maya Rashish  <coypu@sdf.org>
6390
6391         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
6392         * config/netbsd-d.c: New file.
6393         * config/t-netbsd: Add netbsd-d.o
6394
6395 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
6396
6397         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
6398         affects_type_identity to true for aarch64_vector_pcs.
6399         (aarch64_comp_type_attributes): New function.
6400         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
6401
6402 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
6403
6404         PR target/88850
6405         * config/arm/iterators.md (ANY64): Add V4HF.
6406
6407 2019-02-14  Martin Liska  <mliska@suse.cz>
6408
6409         PR rtl-optimization/89242
6410         * dce.c (delete_unmarked_insns): Call free_dominance_info we
6411         process a transformation.
6412
6413 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
6414
6415         PR tree-optimization/89314
6416         * fold-const.c (fold_binary_loc): Cast strlen argument to
6417         const char * before dereferencing it.  Formatting fixes.
6418
6419         PR middle-end/89284
6420         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
6421
6422 2019-02-13  Ian Lance Taylor  <iant@golang.org>
6423
6424         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
6425         and set current index for other optimizations.
6426
6427 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
6428
6429         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
6430         nonimmediate_operand as operand 2 predicate.
6431         (vec_set<VF2_512_256:mode>_0): Ditto.
6432         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
6433         (*vec_concatv2si): Remove alternative 2.
6434         (*vec_concatv4si_0): Use vm constraint for alternative 0.
6435         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
6436         (vec_concatv2di): Split alternatives 4,5,6 to ...
6437         (*vec_concatv2di_0) ... new pattern.
6438
6439 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
6440
6441         PR target/89190
6442         * config/arm/arm.c (ldm_stm_operation_p) Set
6443         addr_reg_in_reglist correctly for first register.
6444         (load_multiple_sequence): Remove dead base check.
6445         (gen_ldm_seq): Correctly set write_back for Thumb-1.
6446
6447 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
6448
6449         PR target/88847
6450         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
6451         Expose as @aarch64_pred_mov.
6452         * config/aarch64/aarch64.c (aarch64_classify_address):
6453         Use expand_insn which legitimizes operands.
6454
6455 2019-02-13  Martin Liska  <mliska@suse.cz>
6456
6457         * builtins.h (expand_builtin_with_bounds): Remove declaration.
6458         * calls.c (struct arg_data): Remove special_slot, pointer_arg
6459         and pointer_offset fields.
6460         (initialize_argument_information): Remove usage of dead
6461         fields.
6462         * cgraph.h (struct cgraph_thunk_info): Remove
6463         add_pointer_bounds_args.
6464         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
6465         fields.
6466         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
6467         fields.
6468         * config/i386/i386.c (ix86_function_arg_advance): Remove
6469         unrelated comment.
6470         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
6471         (def_builtin):  Remove usage of dead
6472         fields.
6473         (ix86_add_new_builtins): Likewise.
6474         * ipa-fnsummary.c (compute_fn_summary): Likewise.
6475         * ipa-icf.c (sem_function::equals_wpa): Likewise.
6476         (sem_function::init): Likewise.
6477         (sem_variable::merge): Likewise.
6478         * ipa-visibility.c (function_and_variable_visibility): Likewise.
6479         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
6480         * lto-cgraph.c (lto_output_node): Likewise.
6481         (lto_output_varpool_node): Likewise.
6482         (input_node): Likewise.
6483         (input_varpool_node): Likewise.
6484         * lto-streamer-out.c (lto_output): Likewise.
6485         * tree-inline.c (expand_call_inline): Remove usage of
6486         assign_stmts.
6487         * tree-inline.h (struct copy_body_data): Likewise.
6488         * varpool.c (varpool_node::dump): Likewise.
6489
6490 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
6491
6492         PR middle-end/89303
6493         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
6494         into pt->vars_contains_escaped_heap instead of setting
6495         pt->vars_contains_escaped_heap to it.
6496
6497         PR middle-end/89281
6498         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
6499         INTVAL (size), compare it to GET_MODE_MASK instead of
6500         1 << GET_MODE_BITSIZE.
6501
6502         PR target/89290
6503         * config/i386/predicates.md (x86_64_immediate_operand): Allow
6504         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
6505         -mcmodel=large.
6506
6507 2019-02-13  Martin Liska  <mliska@suse.cz>
6508
6509         PR lto/88858
6510         * cfgrtl.c (remove_barriers_from_footer): New function.
6511         (try_redirect_by_replacing_jump): Use it.
6512         (cfg_layout_redirect_edge_and_branch): Likewise.
6513
6514 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
6515
6516         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
6517         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
6518         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
6519         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
6520         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
6521         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
6522         New BU_CRYPTO_2.
6523         * config/rs6000/rs6000.c (builtin_function_type)
6524         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
6525         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
6526         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
6527         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
6528         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
6529
6530 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
6531
6532         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
6533         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
6534
6535 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6536
6537         PR target/89229
6538         * config/i386/i386.md (*movoi_internal_avx): Revert revision
6539         268678 and revision 268657.
6540         (*movti_internal): Likewise.
6541
6542 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
6543
6544         PR target/89233
6545         * config/s390/s390.c (s390_decompose_address): Update comment.
6546         (s390_check_qrst_address): Reject invalid address forms after
6547         LRA.
6548
6549 2019-02-12  Martin Liska  <mliska@suse.cz>
6550
6551         PR lto/88876
6552         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
6553         we need default values of funct_state for a function that
6554         is not optimized.
6555
6556 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6557
6558         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
6559         the object to pick the size of stores on strict-alignment platforms.
6560
6561         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
6562         (*movdi_insn_sp32): Likewise.
6563         (*movdi_insn_sp64): Likewise.
6564
6565 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
6566
6567         PR lto/88677
6568         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
6569         types that needs constructiong.
6570         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
6571
6572 2019-02-12  Richard Biener  <rguenther@suse.de>
6573
6574         PR tree-optimization/89253
6575         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
6576         duplicate the loop.
6577
6578 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
6579
6580         PR lto/88147
6581         * input.c (selftest::test_line_offset_overflow): New selftest.
6582         (selftest::input_c_tests): Call it.
6583
6584 2019-02-11  Martin Sebor  <msebor@redhat.com>
6585
6586         PR tree-optimization/88771
6587         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
6588         when -Wstringop-overflow is set.
6589         (builtin_memref::builtin_memref): Adjust excessive upper bound
6590         only when lower bound is not excessive.
6591         (maybe_diag_overlap): Detect and diagnose excessive bounds via
6592         -Wstringop-ovefflow.
6593         (maybe_diag_offset_bounds): Rename...
6594         (maybe_diag_access_bounds): ...to this.
6595         (check_bounds_or_overlap): Adjust for name change above.
6596
6597 2019-02-11  Martin Sebor  <msebor@redhat.com>
6598
6599         PR c++/87996
6600         * builtins.c (max_object_size): Move from here...
6601         * builtins.h (max_object_size): ...and here...
6602         * tree.c (max_object_size): ...to here...
6603         * tree.h (max_object_size): ...and here.
6604
6605 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
6606
6607         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
6608         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
6609         for correct semantics.
6610
6611 2019-02-11  Alan Modra  <amodra@gmail.com>
6612
6613         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
6614         -mlongcall and -mpltseq.
6615         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
6616         (RS/6000 and PowerPC Options <-mpltseq>): Document.
6617         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
6618         * config/rs6000/sysv4.opt (mpltseq): New option.
6619         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
6620         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
6621         support is lacking.  Don't allow -mpltseq with -mbss-plt.
6622         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
6623         -mpltseq given for ELFv1.
6624         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
6625         Only use UNSPEC_PLTSEQ for inline PLT calls.
6626         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
6627         use UNSPEC_PLTSEQ for inline PLT calls.
6628         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
6629         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
6630         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
6631         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
6632         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
6633         (pltseq_mtctr_<mode>): Likewise.
6634
6635 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6636
6637         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
6638         Solaris ld.
6639         * configure: Regenerate.
6640
6641 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
6642
6643         PR bootstrap/88714
6644         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
6645         instead of r.
6646
6647 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6648
6649         * function.c (assign_parm_setup_block): Use the stored
6650         size, not the passed size, when allocating stack-space,
6651         also for a parameter with alignment larger than
6652         MAX_SUPPORTED_STACK_ALIGNMENT.
6653
6654 2019-02-11  Martin Liska  <mliska@suse.cz>
6655
6656         PR ipa/89009
6657         * ipa-cp.c (build_toporder_info): Remove usage of a param.
6658         * ipa-inline.c (inline_small_functions): Likewise.
6659         * ipa-pure-const.c (propagate_pure_const): Likewise.
6660         (propagate_nothrow): Likewise.
6661         * ipa-reference.c (propagate): Likewise.
6662         * ipa-utils.c (struct searchc_env): Remove unused field.
6663         (searchc): Always search across AVAIL_INTERPOSABLE.
6664         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
6665         the only called IPA pure const can properly not propagate
6666         across interposable boundary.
6667         * ipa-utils.h (ipa_reduced_postorder): Remove param.
6668
6669 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
6670
6671         * config/nds32/nds32.md (call_internal, call_value_internal,
6672         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
6673
6674 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
6675
6676         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
6677         typo.
6678
6679 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6680
6681         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
6682         in comments
6683
6684 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6685
6686         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
6687
6688 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
6689
6690         PR tree-optimization/89268
6691         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
6692         if preds is non-NULL.
6693
6694 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6695
6696         PR lto/89272
6697         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
6698         polymorphic types.
6699
6700 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6701
6702         * config/nds32/nds32.md (trap): New pattern.
6703
6704 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
6705
6706         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
6707         dwarf span.
6708
6709 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
6710
6711         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
6712         to split POST_INC.
6713
6714 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6715
6716         * ipa-visibility.c (localize_node): Also do not localize
6717         LDPR_PREVAILING_DEF_IRONLY_EXP.
6718
6719 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6720
6721         PR lto/87957
6722         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
6723         instead of type_with_linkage.
6724
6725 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
6726
6727         PR ipa/88755
6728         * params.def (uninlined-function-insns, uninlined-function-time,
6729         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
6730         bound so we don't get overflows.
6731
6732 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
6733
6734         * config/rs6000/rs6000-string.c (expand_compare_loop,
6735         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
6736         memcmp/strncmp.
6737
6738 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
6739
6740         PR middle-end/89246
6741         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6742         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
6743         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
6744
6745 2019-02-09  Alan Modra  <amodra@gmail.com>
6746
6747         PR target/88343
6748         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
6749         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
6750         setup.
6751
6752 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
6753
6754         PR middle-end/88560
6755         * lra-constraints.c (process_alt_operands): Don't increase reject
6756         for memory when offset memory is required.
6757
6758 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
6759
6760         * config/s390/vector.md: Implement vector copysign.
6761
6762 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6763
6764         * expr.c (expand_constructor): Correct indentations.
6765
6766 2019-02-08  Richard Biener  <rguenther@suse.de>
6767
6768         PR tree-optimization/89247
6769         * tree-if-conv.c: Include tree-cfgcleanup.h.
6770         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
6771         (tree_if_conversion): Pass through predicate vector.
6772         (pass_if_conversion::execute): Do CFG cleanup and SSA update
6773         inline, see if any if-converted loops we refrece in
6774         LOOP_VECTORIZED calls vanished and fixup.
6775         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
6776
6777 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
6778
6779         * config/s390/constraints.md (jdd): New constraint.
6780
6781 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
6782
6783         PR target/89229
6784         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
6785         upper 16 vector registers without TARGET_AVX512VL.
6786         (*movti_internal): Likewise.
6787
6788 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6789
6790         PR rtl-optimization/89234
6791         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
6792         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
6793         (copy_reg_eh_region_note_backward): Likewise.
6794
6795 2019-02-08  Richard Biener  <rguenther@suse.de>
6796
6797         PR middle-end/89223
6798         * tree-data-ref.c (initialize_matrix_A): Fail if constant
6799         doesn't fit in HWI.
6800         (analyze_subscript_affine_affine): Handle failure from
6801         initialize_matrix_A.
6802
6803 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
6804
6805         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
6806         cfun everywhere.
6807
6808 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
6809
6810         PR tree-optimization/86637
6811         PR tree-optimization/89235
6812         * tree-vect-loop.c (optimize_mask_stores): Add an
6813         auto_purge_vect_location sentinel to ensure that vect_location is
6814         purged on exit.
6815         * tree-vectorizer.c
6816         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
6817         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
6818         to ensure that vect_location is purged on exit.
6819         (pass_slp_vectorize::execute): Likewise, replacing the manual
6820         reset.
6821         * tree-vectorizer.h (class auto_purge_vect_location): New class.
6822
6823 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6824
6825         * config/aarch64/iterators.md (max_opp): New code_attr.
6826         (USMAX): New code iterator.
6827         * config/aarch64/predicates.md (aarch64_smin): New predicate.
6828         (aarch64_smax): Likewise.
6829         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
6830         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
6831         MINUS (MAX MIN).
6832
6833 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
6834
6835         PR target/89229
6836         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
6837         for TARGET_AVX512VL.
6838         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
6839
6840 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
6841
6842         * config/s390/s390-builtin-types.def: Add new types.
6843         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
6844         (s390_vec_xlw4): Make the memory operand into a const pointer.
6845         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
6846         float.
6847         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
6848         a new vector type with the alignment of the scalar memory operand.
6849
6850 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
6851             Jakub Jelinek  <jakub@redhat.com>
6852
6853         PR bootstrap/88714
6854         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
6855         arm_count_ldrdstrd_insns): New declarations.
6856         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
6857         MINUS.
6858         (valid_operands_ldrd_strd): New function.
6859         (arm_count_ldrdstrd_insns): New function.
6860         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
6861         sets instead of single DImode set and define new insns to match this.
6862
6863 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6864
6865         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
6866         Make it a C initializer.
6867
6868 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
6869
6870         PR/target 88850
6871         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
6872
6873 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6874
6875         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
6876         Use neon_dot<q> for type.
6877         (neon_<sup>dot_lane<vsi2qi>): Likewise.
6878
6879 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6880
6881         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
6882         Use neon_dot<q> for type.
6883         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
6884         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
6885
6886 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
6887
6888         PR rtl-optimization/89225
6889         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
6890         sizes check.
6891
6892 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
6893
6894         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
6895         after restoring registers saved to allocate the frame on Windows.
6896
6897 2019-02-06  Richard Biener  <rguenther@suse.de>
6898
6899         PR tree-optimization/89182
6900         * graphite.h (cached_scalar_evolution_in_region): Declare.
6901         * graphite.c (struct seir_cache_key): New.
6902         (struct sese_scev_hash): Likewise.
6903         (seir_cache): New global.
6904         (cached_scalar_evolution_in_region): New function.
6905         (graphite_transform_loops): Allocate and release seir_cache.
6906         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
6907         cached_scalar_evolution_in_region.
6908         * graphite-scop-detection.c (scop_detection::can_represent_loop):
6909         Simplify.
6910         (scop_detection::graphite_can_represent_expr: Use
6911         cached_scalar_evolution_in_region.
6912         (scop_detection::stmt_simple_for_scop_p): Likewise.
6913         (find_params_in_bb): Likewise.
6914         (gather_bbs::before_dom_children): Likewise.
6915         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
6916         (add_loop_constraints): Likewise.
6917
6918 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
6919
6920         PR middle-end/89210
6921         * fold-const-call.c (fold_const_vec_convert): Pass true as last
6922         operand to new_unary_operation only if both element types are integral
6923         and it isn't a widening conversion.  Return NULL_TREE if
6924         new_unary_operation failed.
6925
6926 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
6927
6928         PR target/88856
6929         * config/s390/s390.md: Remove load and test FP splitter.
6930
6931 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6932
6933         PR target/89112
6934         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
6935         expand_compare_loop, expand_block_compare_gpr,
6936         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
6937         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
6938         #include "profile-count.h" and "predict.h" for types and functions
6939         needed to work with REG_BR_PROB notes.
6940
6941 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
6942
6943         PR target/89112
6944         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
6945         for the long branch case.
6946
6947 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6948
6949         PR target/89188
6950         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
6951         can throw, non-call exceptions are enabled and we can't delete
6952         dead exceptions or alter cfg.  Set must_clean if
6953         delete_insn_and_edges returns true, don't set it blindly for calls.
6954         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
6955
6956         PR rtl-optimization/89195
6957         * combine.c (make_extraction): For MEMs, don't extract bytes outside
6958         of the original MEM.
6959
6960 2019-02-05  Martin Liska  <mliska@suse.cz>
6961
6962         PR gcov-profile/89000
6963         * gcov.c (function_summary): Remove argument.
6964         (file_summary): New function.
6965         (print_usage): Replace tabs with spaces.
6966         (generate_results): Use new function file_summary.
6967
6968 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
6969
6970         PR target/89186
6971         * optabs.c (prepare_cmp_insn): Pass x and y to
6972         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
6973
6974 2019-02-05  Richard Biener  <rguenther@suse.de>
6975
6976         PR middle-end/89150
6977         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
6978         (struct bitmap_element): Drop chain_prev so we properly recurse on
6979         the prev member, supporting tree views.
6980         (struct bitmap_head): GTY skip the obstack member.
6981
6982 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
6983
6984         PR c/88698
6985         * doc/extend.texi (Vector Extensions): Add an example of using vector
6986         types together with x86 intrinsics.
6987
6988 2019-02-04  Alan Modra  <amodra@gmail.com>
6989
6990         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
6991         str[] size to 160, and comment.
6992
6993 2019-02-04  Alan Modra  <amodra@gmail.com>
6994
6995         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
6996         (rs6000_pltseq_template): Guard output of TLS markers with
6997         TARGET_TLS_MARKERS.
6998         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
6999         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
7000         to use inline PLT sequences.
7001         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
7002         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
7003         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
7004
7005 2019-02-04  Martin Liska  <mliska@suse.cz>
7006
7007         PR ipa/88985
7008         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
7009         out when ipa_fn_summaries does not contain entry for callee.
7010
7011 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
7012
7013         * config/sparc/sparc.h: Remove superfluous blank lines.
7014         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
7015         (got_register_rtx): ...this.
7016         (sparc_got): Adjust to above renaming.
7017         (sparc_tls_got): Likewise.
7018         (sparc_delegitimize_address): Likewise.
7019         (sparc_output_mi_thunk): Likewise.
7020         (sparc_init_pic_reg): Likewise.
7021         (save_local_or_in_reg_p): Fix test on the GOT register.
7022         (USE_HIDDEN_LINKONCE): Move around.
7023         (get_pc_thunk_name): Likewise.
7024         (gen_load_pcrel_sym): Likewise.
7025         (load_got_register): Likewise.
7026
7027 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
7028
7029         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
7030         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
7031
7032 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7033
7034         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
7035         into consideration.
7036
7037 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
7038
7039         * config.gcc (with_nds32_lib, glibc):
7040         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
7041         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
7042         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
7043
7044 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
7045
7046         PR target/89071
7047         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
7048         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
7049         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
7050         (*rcpsf2_sse): Ditto.
7051         (*rsqrtsf2_sse): Ditto.
7052         (sse4_1_round<mode<2): Ditto.
7053
7054 2019-02-03  Richard Biener  <rguenther@suse.de>
7055
7056         PR debug/87295
7057         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
7058         orig.
7059
7060 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
7061
7062         PR middle-end/87887
7063         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
7064         Punt with warning on aggregate return or argument types.  Ignore
7065         type/mode checking for uniform arguments.
7066
7067 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
7068
7069         * combine.c (try_combine): Do not print "Can't combine" messages unless
7070         printing failed combination attempts.
7071
7072 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7073
7074         PR hsa/87863
7075         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
7076         segment and global segment variables before making them static.
7077
7078 2019-02-01  Martin Jambor  <mjambor@suse.cz>
7079
7080         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
7081         missed optimization dump with dump_enabled_p.
7082
7083 2019-02-01  Richard Biener  <rguenther@suse.de>
7084
7085         PR middle-end/88597
7086         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
7087         the instantiate cache.
7088         (instantiate_scev_binary): Elide second operand procesing
7089         if equal to the first.
7090         * tree-chrec.c (chrec_contains_symbols): Add visited set.
7091         (chrec_contains_undetermined): Likewise.
7092         (tree_contains_chrecs): Likewise.
7093
7094 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
7095
7096         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
7097
7098 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
7099
7100         PR tree-optimization/89143
7101         * wide-int-range.h (wide_int_range_absu): Declare.
7102         * wide-int-range.cc (wide_int_range_absu): New function.
7103         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
7104
7105         PR tree-optimization/88107
7106         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
7107         instead of assertion that eh_region_outermost is non-NULL, if it
7108         is NULL, set *ALL to true and return NULL.
7109         (move_sese_region_to_fn): Adjust caller, if all is set, call
7110         duplicate_eh_regions with NULL region.
7111
7112 2019-02-01  Richard Biener  <rguenth@suse.de>
7113
7114         PR rtl-optimization/88593
7115         * mode-switching.c (optimize_mode_switching): Free dominators before
7116         calling cleanup_cfg.
7117
7118 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
7119
7120         PR tree-optimization/88932
7121         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
7122
7123 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7124
7125         PR middle-end/89137
7126         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
7127         bogus clang warning.
7128
7129 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
7130
7131         PR target/89071
7132         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
7133         alternative to avoid partial SSE register stall for TARGET_AVX.
7134         (truncdfsf2): Ditto.
7135         (sse4_1_round<mode>2): Ditto.
7136
7137 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
7138
7139         PR tree-optimization/89008
7140         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
7141         process anything of the form X * 0.
7142
7143 2019-01-31  Richard Biener  <rguenther@suse.de>
7144
7145         PR tree-optimization/89135
7146         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
7147         with abnormal preds.
7148
7149 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
7150
7151         PR sanitizer/89124
7152         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
7153         always_inline callees into no_sanitize_address callers.
7154
7155 2019-01-31  Richard Biener  <rguenther@suse.de>
7156
7157         PR rtl-optimization/89115
7158         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
7159
7160 2019-01-30  Martin Sebor  <msebor@redhat.com>
7161
7162         PR other/89106
7163         * doc/extend.texi (cast to a union): Correct and expand.
7164
7165 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
7166
7167         PR rtl-optimization/87246
7168         * lra-constraints.c (simplify_operand_subreg): Reload memory
7169         in subreg if the address became invalid.
7170
7171 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
7172
7173         PR target/87064
7174         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
7175         Disable for little-endian.
7176
7177 2019-01-30  Richard Biener  <rguenther@suse.de>
7178
7179         PR rtl-optimization/89115
7180         * opts.c (default_options_optimization): Reduce
7181         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
7182         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
7183         to the default.
7184
7185 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
7186
7187         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
7188         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
7189         type of vector element when vec_extract is implemented by direct
7190         move.
7191
7192 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
7193
7194         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
7195
7196 2019-01-30  Richard Biener  <rguenther@suse.de>
7197
7198         PR tree-optimization/89111
7199         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
7200         canonicalization to appropriately sized access types.
7201
7202 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
7203
7204         PR c++/89105
7205         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
7206         for arguments to functions that are TU-local and shouldn't be
7207         referenced by assembly.
7208
7209 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
7210
7211         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
7212         after '='.
7213
7214 2019-01-29  Martin Sebor  <msebor@redhat.com>
7215
7216         PR c/88956
7217         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
7218
7219 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
7220
7221         PR c++/66676
7222         PR ipa/89104
7223         * omp-simd-clone.c (simd_clone_clauses_extract)
7224         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
7225         OMP_CLAUSE_ALIGNED_ALIGNMENT.
7226
7227 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
7228
7229         * config.gcc: Force .init_array for ARC.
7230
7231 2019-01-29  Richard Biener  <rguenther@suse.de>
7232
7233         PR debug/87295
7234         * dwarf2out.c (collect_skeleton_dies): New helper.
7235         (copy_decls_for_unworthy_types): Call it.
7236         (build_abbrev_table): Assert we do not try to replace
7237         DW_AT_signature refs with local refs.
7238
7239 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7240
7241         PR middle-end/89002
7242         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
7243         for lastprivate/linear IV, push gimplify context around gimplify_assign
7244         and, if it needed any temporaries, pop it into a gimple bind around the
7245         sequence.
7246
7247 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7248
7249         * common.opt (-Wattribute-alias): Remove "no-" from name.
7250         Make -Wattribute-alias command line option and
7251         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
7252
7253 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
7254
7255         PR target/89073
7256         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
7257         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
7258         x86 ISA options.
7259         (bmi2): Add missing @opindex.
7260         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
7261         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
7262         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
7263         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
7264         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
7265         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
7266         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
7267         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
7268         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
7269         xsavec, xsaveopt and xsaves options.
7270
7271 2019-01-28  Richard Biener  <rguenther@suse.de>
7272
7273         PR debug/89076
7274         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
7275         support removal.
7276
7277 2019-01-28  Richard Biener  <rguenther@suse.de>
7278
7279         PR tree-optimization/88739
7280         * tree-cfg.c (verify_types_in_gimple_reference): Verify
7281         BIT_FIELD_REFs only are applied to mode-precision operands
7282         when they are integral.
7283         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
7284         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
7285         BIT_FIELD_REFs of non-mode-precision integral operands.
7286
7287 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
7288
7289         PR target/87214
7290         * config/i386/sse.md
7291         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
7292         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
7293         first constants in pairs are multiples of 2.  Formatting fixes.
7294         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
7295         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
7296         first constants in each quadruple are multiples of 4.  Formatting fixes.
7297
7298 2019-01-26  Martin Jambor  <mjambor@suse.cz>
7299
7300         PR ipa/88933
7301         * tree-inline.c: Include tree-cfgcleanup.h.
7302         (delete_unreachable_blocks_update_callgraph): Move...
7303         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
7304         ...here, make externally visible, make second argument bool, adjust
7305         all callers.
7306         * tree-cfgcleanup.c: Include cgraph.h.
7307         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
7308         Declare.
7309         * ipa-prop.c: Include tree-cfgcleanup.h.
7310         (ipcp_transform_function): Call
7311         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
7312
7313 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
7314
7315         PR rtl-optimization/88846
7316         * ira.c (process_set_for_memref_referenced_p): New.
7317         (memref_referenced_p): Add new param.  Use
7318         process_set_for_memref_referenced_p.  Add new switch cases.
7319         (memref_used_between_p): Pass new arg to memref_referenced_p.
7320
7321 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
7322
7323         PR target/88469
7324         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
7325         argument ABI_BREAK.  Set to true if the calculated alignment has
7326         changed in gcc-9.  Check bit-fields for their base type alignment.
7327         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
7328         (aarch64_function_arg_boundary): Likewise.
7329         (aarch64_gimplify_va_arg_expr): Likewise.
7330
7331 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7332
7333         PR middle-end/89037
7334         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
7335         instead of accessing TREE_INT_CST_ELT directly.
7336
7337 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
7338
7339         * doc/sourcebuild.texi (Environment attributes): Add fenv and
7340         fenv_exceptions description.
7341
7342 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
7343
7344         PR rtl-optimization/87763
7345         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
7346         Allow SUBREG when matching CC_NZmode compare.
7347
7348 2019-01-25  Richard Biener  <rguenther@suse.de>
7349
7350         PR tree-optimization/89049
7351         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
7352         Look at the pattern stmt to determine if the stmt is vectorized.
7353
7354 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
7355
7356         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
7357         (pred_mov<mode>): Handle all-register forms using both a new
7358         alternative and a split.
7359
7360 2019-01-25  Richard Biener  <rguenther@suse.de>
7361
7362         PR tree-optimization/86865
7363         * graphite-scop-detection.c (scop_detection::can_represent_loop):
7364         Reject non-do-while loops.
7365
7366 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
7367
7368         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
7369         * config/rs6000/constraints.md (Q constraint): Use REG_P.
7370         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
7371         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7372         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
7373         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7374         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
7375         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
7376         vlogical_operand, gpc_reg_operand, int_reg_operand,
7377         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
7378         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
7379         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
7380         (save_world_operation, restore_world_operation, lmw_operation,
7381         stmw_operation): Use MEM_P and REG_P.
7382         (tie_operand): Use MEM_P.
7383         (vrsave_operation, crsave_operation): Use REG_P.
7384         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
7385         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
7386         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
7387         (call_operand): Use HARD_REGISTER_P.
7388         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
7389         Use CONST_INT_P.
7390         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
7391         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
7392         quad_aligned_load_p, replace_swapped_aligned_store,
7393         recombine_lvx_pattern, replace_swapped_aligned_load,
7394         recombine_stvx_pattern): Use MEM_P.
7395         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
7396         Use MEM_P and SYMBOL_REF_P.
7397         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
7398         (insn_is_swappable_p): Use REG_P and MEM_P.
7399         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
7400         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
7401         Use CONST_INT_P.
7402         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
7403         Use CONST_DOUBLE_P.
7404         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
7405         CONST_WIDE_INT_P.
7406         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
7407         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
7408         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
7409         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
7410         reg_or_subregno:
7411         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7412         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
7413         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
7414         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
7415         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
7416         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
7417         rs6000_split_logical_di): Use CONST_INT_P.
7418         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
7419         REG_P and SYMBOL_REF_P.
7420         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
7421         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
7422         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
7423         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
7424         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
7425         (small_data_operand, print_operand_address): Use CONST_INT_P and
7426         SYMBOL_REF_P.
7427         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
7428         (rs6000_init_hard_regno_mode_ok, direct_move_p):
7429         Use HARD_REGISTER_NUM_P.
7430         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
7431         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
7432         SUBREG_P and SYMBOL_REF_P.
7433         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
7434         and HARD_REGISTER_NUM_P.
7435         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
7436         reg_or_subregno.
7437         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
7438         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
7439         MEM_P and REG_P.
7440         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
7441         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
7442         find_addr_reg): Use REG_P.
7443         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
7444         (rs6000_emit_le_vsx_move): Use SUBREG_P.
7445         (offsettable_ok_by_alignment, constant_pool_expr_p,
7446         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
7447         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
7448         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
7449         rs6000_assemble_integer, create_TOC_reference,
7450         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
7451         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
7452         (rs6000_split_vec_extract_var): Use reg_or_subregno.
7453         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
7454         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
7455         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7456         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7457         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
7458         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
7459         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
7460         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
7461         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
7462         and cbranch<mode>4): Use CONST_INT_P.
7463         (multiple define_splits): Use REG_P and SUBREG_P.
7464         (define_expands call, call_value): Use MEM_P.
7465         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
7466         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
7467         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
7468         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
7469         and HARD_REGISTER_NUM_P.
7470         (multiple define_splits): Use HARD_REGISTER_NUM_P.
7471
7472 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
7473
7474         PR rtl-optimization/88948
7475         * rtl.h (prepare_copy_insn): New prototype.
7476         * gcse.c (prepare_copy_insn): New function, split out from
7477         process_insert_insn.
7478         (process_insert_insn): Use prepare_copy_insn.
7479         * store-motion.c (replace_store_insn): Use prepare_copy_insn
7480         instead of gen_move_insn.
7481
7482 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
7483
7484         PR debug/89006
7485         * config/i386/i386.c (ix86_pic_register_p): Return true for
7486         UNSPEC_SET_GOT too.
7487
7488         PR tree-optimization/88964
7489         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
7490         punt if HONOR_SNANS (chrec).
7491
7492         PR middle-end/89015
7493         * tree-nested.c (convert_nonlocal_reference_stmt,
7494         convert_local_reference_stmt, convert_tramp_reference_stmt,
7495         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
7496         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
7497         or GIMPLE_OMP_TASK.
7498
7499         PR tree-optimization/89027
7500         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
7501         for "omp simd array" variables.
7502
7503 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
7504
7505         PR target/88469
7506         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
7507         force the alignment of m_val.
7508
7509 2019-01-24  Richard Biener  <rguenther@suse.de>
7510
7511         PR lto/87187
7512         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
7513         When in "legacy" debug mode make sure to reset self-origins.
7514
7515 2019-01-24  Martin Liska  <mliska@suse.cz>
7516
7517         PR gcov-profile/88994
7518         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
7519         result will be always smaller or equal to the original.
7520         * gcov.c (mangle_name): Fix else branch where we should
7521         also copy to PTR and shift the pointer.
7522
7523 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
7524
7525         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
7526         * vr-values.c (find_case_label_ranges): Fix a comment typo.
7527
7528 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
7529             Steve Ellcey <sellcey@marvell.com>
7530
7531         PR target/85711
7532         * recog.c (address_operand): Return false on wrong mode for address.
7533         (constrain_operands): Check for mode with 'p' constraint.
7534
7535 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
7536
7537         PR target/88998
7538         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
7539         Disparage MMX alternative.
7540         (sse2_cvtpd2pi): Ditto.
7541         (sse2_cvttpd2pi): Ditto.
7542
7543 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
7544
7545         PR driver/89014
7546         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
7547         use-after-free of the result of
7548         aarch64_get_extension_string_for_isa_flags.
7549
7550 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7551
7552         PR c/44715
7553         * doc/extend.texi: Document break and continue behavior in
7554         statement expressions.
7555
7556 2019-01-23  Richard Biener  <rguenther@suse.de>
7557
7558         PR tree-optimization/89008
7559         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
7560         not leave another stray operand.
7561
7562 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7563
7564         * BASE-VER: Bump to 9.0.1.
7565
7566 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
7567
7568         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
7569         thunk that returns by reference, use the type of the return object
7570         of the thunk instead of that of the alias to build the dereference.
7571
7572 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
7573
7574         * config/arc/atomic.md: Add operand to DMB instruction.
7575
7576 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
7577
7578         PR tree-optimization/88964
7579         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
7580         build_zero_cst instead of build_int_cst.  Return false for loop
7581         invariants which honor signed zeros.
7582
7583 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
7584
7585         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
7586
7587 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7588
7589         PR target/88965
7590         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
7591         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
7592         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
7593
7594         PR middle-end/88968
7595         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
7596         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
7597
7598         PR target/87064
7599         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
7600         Disable for little endian.
7601
7602 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7603
7604         PR target/88469
7605         * config/arm/arm.c (arm_needs_double_word_align): Check
7606         DECL_BIT_FIELD_TYPE.
7607
7608 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
7609             H.J. Lu  <hongjiu.lu@intel.com>
7610
7611         PR target/88909
7612         * config/i386/i386-builtin.def: Add mask2 to all builtin
7613         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
7614         SPECIAL_ARGS.
7615         * config/i386/i386.c (BDESC): Add mask2 to the definition.
7616         (BDESC_FIRST): Likewise.
7617         (define_builtin): Add an argument for mask2.  Updated to handle
7618         both ix86_isa_flags and ix86_isa_flags2.
7619         (define_builtin_const): Likewise.
7620         (define_builtin_pure): Likewise.
7621         (define_builtin2): Deleted.
7622         (define_builtin_const2): Likewise.
7623         (builtin_description): Add a member, mask2.
7624         (bdesc_*): Add mask2 to builtin initializations.
7625         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
7626         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
7627         support.
7628         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
7629
7630 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7631
7632         PR target/88954
7633         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
7634         noplt attribute.
7635
7636 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
7637
7638         PR target/88469
7639         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
7640         alignment is dominated by a bitfield with 64-bit aligned base type.
7641         (arm_function_arg): Emit a warning if the alignment has changed since
7642         earlier GCC releases.
7643         (arm_function_arg_boundary): Likewise.
7644         (arm_setup_incoming_varargs): Likewise.
7645
7646 2019-01-22  Richard Biener  <rguenther@suse.de>
7647
7648         PR tree-optimization/88862
7649         * graphite-scop-detection.c
7650         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
7651
7652 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
7653
7654         * doc/extend.tex (AMD GCN Function Attributes): New section.
7655         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
7656         * doc/invoke.texi (AMD GCN Options): New section.
7657         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
7658
7659 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7660
7661         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
7662         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
7663
7664 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
7665
7666         PR tree-optimization/88044
7667         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
7668         is false in the first iteration, but !every_iteration, return false
7669         instead of true with niter->niter zero.
7670
7671         PR rtl-optimization/88904
7672         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
7673         any nonequal registers before processing BB_END (b).
7674
7675         PR target/88905
7676         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
7677         GET_MODE (op0).
7678         (expand_binop_directly, expand_doubleword_clz,
7679         expand_doubleword_popcount, expand_ctz, expand_ffs,
7680         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
7681
7682         PR rtl-optimization/49429
7683         PR target/49454
7684         PR rtl-optimization/86334
7685         PR target/88906
7686         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
7687         addressable from here...
7688         (emit_block_op_via_libcall): ... to here.
7689
7690 2019-01-22  Richard Biener  <rguenther@suse.de>
7691
7692         * tree-vect-loop.c (vect_analyze_loop_operations): Use
7693         auto_vec for cost vector to fix memleak.
7694         (vectorize_fold_left_reduction): Properly gather SLP defs.
7695         (vectorizable_comparison): Do not swap operands to properly
7696         gather SLP defs.
7697
7698 2019-01-22  Alan Modra  <amodra@gmail.com>
7699
7700         PR target/88614
7701         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
7702         stays a reg.  Allow a const_int.
7703         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
7704         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
7705         (IS_NOMARK_TLSGETADDR): Define.
7706         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
7707         (rs6000_output_tlsargs): New function.
7708         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
7709         __tls_get_addr call takes an arg.
7710         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
7711         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
7712         delete split..
7713         (call_value_nonlocal_sysv): ..or here, delete split.
7714         (tls_gdld_nomark): Delete.
7715         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
7716         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
7717         (call_value_nonlocal_sysv): Likewise.
7718         (call_value_nonlocal_sysv_secure): Likewise.
7719         (call_value_nonlocal_aix): Likewise.
7720         (call_value_indirect_aix): Likewise.
7721         (call_value_indirect_elfv2): Likewise.
7722         (call_value_local32, call_value_local64): Disable for no-mark tls.
7723         (call_value_local_aix): Likewise.
7724
7725 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
7726
7727         PR target/88938
7728         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
7729         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
7730
7731 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
7732
7733         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
7734         string contents as hash_map keys.
7735
7736 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7737
7738         PR c/88928
7739         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
7740         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
7741         instead of TYPE_ALIGN.
7742         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
7743         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
7744         pointer from TYPE_STUB_DECL.
7745
7746 2019-01-21  Richard Biener  <rguenther@suse.de>
7747
7748         PR tree-optimization/88934
7749         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
7750         at the possibly non-constant operand.
7751         (vect_get_constant_vectors): Adjust.
7752
7753 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7754
7755         PR target/71659
7756         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
7757         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
7758         instead of _X86INTRIN_H_INCLUDED.
7759         * onfig/i386/clwbintrin.h: Likewise.
7760         * config/i386/pkuintrin.h: Likewise.
7761         * config/i386/prfchwintrin.h: Likewise.
7762         * config/i386/rdseedintrin.h: Likewise.
7763         * config/i386/wbnoinvdintrin.h: Likewise.
7764         * config/i386/xsavecintrin.h: Likewise.
7765         * config/i386/xsavesintrin.h: Likewise.
7766         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
7767         * config/i386/xsaveintrin.h: Likewise.
7768         * config/i386/xsaveoptintrin.h: Likewise.
7769         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
7770         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
7771         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
7772         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
7773         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
7774         * config/i386/immintrin.h: Here.
7775
7776 2019-01-20  Martin Jambor  <mjambor@suse.cz>
7777
7778         PR ipa/87615
7779         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
7780         with aa_walk_budget.
7781         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
7782         aa_walk_budget_p parameter.
7783         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
7784         walk.  Updated all callers.
7785         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
7786         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
7787         unmodified_parm.
7788         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
7789         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
7790         and to unmodified_parm.
7791         (phi_result_unknown_predicate): New parameter fbi, removed parameter
7792         info, updated call to will_be_nonconstant_expr_predicate.
7793         (param_change_prob): New parameter fbi, limit AA walking.
7794         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
7795         calls to various above functions.
7796         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
7797         parameter.  Use it to limit AA walking.
7798         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
7799         fbi, limit AA walk.
7800         (detect_type_change): New parameter fbi, pass it on to
7801         detect_type_change_from_memory_writes.
7802         (detect_type_change_ssa): Likewise.
7803         (aa_overwalked): Removed.
7804         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
7805         accordingly, adjust to the neew AA limiting scheme.
7806         (parm_ref_data_preserved_p): Likewise.
7807         (ipa_compute_jump_functions_for_edge): Adjust call to
7808         get_dynamic_type.
7809         (ipa_analyze_call_uses): Likewise.
7810         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
7811         (ipa_analyze_node): Initialize aa_walk_budget.
7812         (ipcp_transform_function): Likewise.
7813         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
7814         to get_dynamic_type.
7815
7816 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
7817
7818         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
7819         outside of #if CHECKING_P code.
7820
7821 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
7822
7823         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
7824         New function, split out from...
7825         (loop_versioning::analyze_stride): ...here.
7826         (loop_versioning::find_per_loop_multiplication): Use gassign.
7827         (loop_versioning::analyze_term_using_scevs): Return a success code.
7828         (loop_versioning::analyze_arbitrary_term): New function.
7829         (loop_versioning::analyze_address_fragment): Use
7830         analyze_arbitrary_term if all else fails.
7831
7832 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
7833
7834         PR target/88892
7835         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
7836         operands.
7837
7838 2019-01-18  Richard Biener  <rguenther@suse.de>
7839
7840         PR tree-optimization/88903
7841         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
7842         scalar stmts a SLP shift amount is composed of when detecting
7843         shifts by scalars.
7844
7845 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
7846
7847         PR target/88799
7848         * config/arm/arm-cpus.in (mp): New feature.
7849         (sec): New feature.
7850         (fgroup ARMv7ve): Add mp and sec features.
7851         (arch armv7-a): Add options to allow mp and sec extensions.
7852         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
7853         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
7854         extenstions to the base architecture.
7855         (cpu cortex-a8): Add sec extension to the base architecture.
7856         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
7857         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
7858         variants down to the base v7-a varaint.
7859         * config/arm/t-multilib (v7_a_arch_variants): New variable.
7860         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
7861         of permitted extensions for -march=armv7-a and for
7862         -mcpu=generic-armv7-a.
7863
7864 2019-01-18  Martin Liska  <mliska@suse.cz>
7865
7866         * params.def: Fix comment.
7867         * tree-profile.c (gimple_init_gcov_profiler): Bump function
7868         name.
7869         (gimple_gen_ic_func_profiler): Likewise.
7870
7871 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7872
7873         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
7874         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
7875         and put in error checks for stack protector guard options.
7876         (aarch64_stack_protect_guard): New.
7877         (TARGET_STACK_PROTECT_GUARD): Define.
7878         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
7879         (reg_stack_protect_address<mode>): New.
7880         (stack_protect_set): Adjust for SSP_GLOBAL.
7881         (stack_protect_test): Likewise.
7882         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
7883         (-mstack-protector-guard): Likewise.
7884         (-mstack-protector-guard-offset): Likewise.
7885
7886 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7887
7888         PR tree-optimization/86214
7889         * tree-inline.h (struct copy_body_data): Add
7890         add_clobbers_to_eh_landing_pads member.
7891         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
7892         (copy_edges_for_bb): Call it if EH edge destination is <
7893         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
7894         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
7895         if flag_stack_reuse != SR_NONE and clear it afterwards.
7896
7897 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
7898
7899         PR target/85596
7900         * doc/install.texi (with-multilib-list): Document for aarch64.
7901
7902 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
7903
7904         PR target/88734
7905         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
7906         (("..."))) with ("...").
7907
7908 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7909
7910         * doc/extend.texi (Built-in Functions for Memory Model Aware
7911         Atomic Operations): Document atomic fetch and nand.
7912
7913 2019-01-18  Martin Liska  <mliska@suse.cz>
7914             Richard Biener  <rguenther@suse.de>
7915
7916         PR middle-end/88587
7917         * cgraph.h (create_version_clone_with_body): Add new argument
7918         with attributes.
7919         * cgraphclones.c (cgraph_node::create_version_clone): Add
7920         DECL_ATTRIBUTES to a newly created decl.  And call
7921         valid_attribute_p so that proper cl_target_optimization_node
7922         is set for the newly created declaration.
7923         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
7924         for declaration.
7925         (expand_target_clones): Do not call valid_attribute_p, it must
7926         be already done.
7927         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
7928         vector types.
7929
7930 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
7931
7932         PR target/88734
7933         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
7934         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
7935         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
7936
7937 2019-01-17  Martin Sebor  <msebor@redhat.com>
7938
7939         PR middle-end/88273
7940         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
7941         Handle anti-ranges the same as no range at all.
7942
7943 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
7944
7945         * config/aarch64/aarch64.c (cgraph.h): New include.
7946         (intl.h): New include.
7947         (supported_simd_type): New function.
7948         (currently_supported_simd_type): Ditto.
7949         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
7950         (aarch64_simd_clone_adjust): Ditto.
7951         (aarch64_simd_clone_usable): Ditto.
7952         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
7953         (TARGET_SIMD_CLONE_ADJUST): Ditto.
7954         (TARGET_SIMD_CLONE_USABLE): Ditto.
7955         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
7956         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
7957         call.
7958
7959 2019-01-17  Martin Sebor  <msebor@redhat.com>
7960
7961         PR tree-optimization/88800
7962         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
7963         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
7964         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
7965         redundant argument.  Add new argument and issue diagnostics under
7966         its control.  Detect out-of-bounds access even with warnings
7967         disabled.
7968         (check_bounds_or_overlap): Change return type.  Add argument.
7969         (wrestrict_dom_walker::check_call): Adjust.
7970         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
7971         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
7972         check_bounds_or_overlap's return value.
7973         (handle_builtin_stxncpy): Same.
7974         (handle_builtin_strcat): Same.
7975
7976 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7977             Kwok Cheung Yeung  <kcy@codesourcery.com>
7978             Julian Brown  <julian@codesourcery.com>
7979             Tom de Vries  <tom@codesourcery.com>
7980
7981         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
7982
7983 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7984
7985         * doc/sourcebuild.texi: Document dg-require-effective-target
7986         llvm_binutils and offload_gcn.
7987
7988 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7989             Kwok Cheung Yeung  <kcy@codesourcery.com>
7990             Julian Brown  <julian@codesourcery.com>
7991             Tom de Vries  <tom@codesourcery.com>
7992
7993         * doc/sourcebuild.texi: Document dg-required-effective-target
7994         exceptions.
7995
7996 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
7997             Kwok Cheung Yeung  <kcy@codesourcery.com>
7998             Julian Brown  <julian@codesourcery.com>
7999             Tom de Vries  <tom@codesourcery.com>
8000             Jan Hubicka  <hubicka@ucw.cz>
8001             Martin Jambor  <mjambor@suse.cz>
8002
8003         * config.gcc: Add amdgcn*-*-amdhsa configuration.
8004         * configure.ac: Check for dlopen.
8005         * configure: Regenerate.
8006
8007 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8008             Kwok Cheung Yeung  <kcy@codesourcery.com>
8009             Julian Brown  <julian@codesourcery.com>
8010             Tom de Vries  <tom@codesourcery.com>
8011             Jan Hubicka  <hubicka@ucw.cz>
8012             Martin Jambor  <mjambor@suse.cz>
8013
8014         * common/config/gcn/gcn-common.c: New file.
8015         * config/gcn/driver-gcn.c: New file.
8016         * config/gcn/gcn-builtins.def: New file.
8017         * config/gcn/gcn-hsa.h: New file.
8018         * config/gcn/gcn-modes.def: New file.
8019         * config/gcn/gcn-opts.h: New file.
8020         * config/gcn/gcn-passes.def: New file.
8021         * config/gcn/gcn-protos.h: New file.
8022         * config/gcn/gcn-run.c: New file.
8023         * config/gcn/gcn-tree.c: New file.
8024         * config/gcn/gcn.c: New file.
8025         * config/gcn/gcn.h: New file.
8026         * config/gcn/gcn.opt: New file.
8027         * config/gcn/t-gcn-hsa: New file.
8028
8029 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
8030             Kwok Cheung Yeung  <kcy@codesourcery.com>
8031             Julian Brown  <julian@codesourcery.com>
8032             Tom de Vries  <tom@codesourcery.com>
8033             Jan Hubicka  <hubicka@ucw.cz>
8034             Martin Jambor  <mjambor@suse.cz>
8035
8036         * config/gcn/constraints.md: New file.
8037         * config/gcn/gcn-valu.md: New file.
8038         * config/gcn/gcn.md: New file.
8039         * config/gcn/predicates.md: New file.
8040
8041 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
8042
8043         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
8044         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
8045         (stmt_uses_0_or_null_in_undefined_way): Likewise.
8046         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
8047
8048 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
8049
8050         PR target/88851
8051         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
8052         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
8053         it and document registers.
8054
8055 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8056
8057         * config/aarch64/aarch64.c (ares_tunings): Define.
8058         * config/aarch64/aarch64-cores.def (ares): Use the above.
8059
8060 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8061
8062         PR target/88794
8063         Revert:
8064         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
8065
8066         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
8067         (_mm512_fixupimm_round_pd): Update parameters and builtin.
8068         (_mm512_maskz_fixupimm_round_pd): Ditto.
8069         (_mm512_fixupimm_round_ps): Ditto.
8070         (_mm512_maskz_fixupimm_round_ps): Ditto.
8071         (_mm_fixupimm_round_sd): Ditto.
8072         (_mm_maskz_fixupimm_round_sd): Ditto.
8073         (_mm_fixupimm_round_ss): Ditto.
8074         (_mm_maskz_fixupimm_round_ss): Ditto.
8075         (_mm512_fixupimm_pd): Ditto.
8076         (_mm512_maskz_fixupimm_pd): Ditto.
8077         (_mm512_fixupimm_ps): Ditto.
8078         (_mm512_maskz_fixupimm_ps): Ditto.
8079         (_mm_fixupimm_sd): Ditto.
8080         (_mm_maskz_fixupimm_sd): Ditto.
8081         (_mm_fixupimm_ss): Ditto.
8082         (_mm_maskz_fixupimm_ss): Ditto.
8083         (_mm512_mask_fixupimm_round_pd): Update builtin.
8084         (_mm512_mask_fixupimm_round_ps): Ditto.
8085         (_mm_mask_fixupimm_round_sd): Ditto.
8086         (_mm_mask_fixupimm_round_ss): Ditto.
8087         (_mm512_mask_fixupimm_pd): Ditto.
8088         (_mm512_mask_fixupimm_ps): Ditto.
8089         (_mm_mask_fixupimm_sd): Ditto.
8090         (_mm_mask_fixupimm_ss): Ditto.
8091         * config/i386/avx512vlintrin.h:
8092         (_mm256_fixupimm_pd): Update parameters and builtin.
8093         (_mm256_maskz_fixupimm_pd): Ditto.
8094         (_mm256_fixupimm_ps): Ditto.
8095         (_mm256_maskz_fixupimm_ps): Ditto.
8096         (_mm_fixupimm_pd): Ditto.
8097         (_mm_maskz_fixupimm_pd): Ditto.
8098         (_mm_fixupimm_ps): Ditto.
8099         (_mm_maskz_fixupimm_ps): Ditto.
8100         (_mm256_mask_fixupimm_pd): Update builtin.
8101         (_mm256_mask_fixupimm_ps): Ditto.
8102         (_mm_mask_fixupimm_pd): Ditto.
8103         (_mm_mask_fixupimm_ps): Ditto.
8104         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
8105         * config/i386/i386-builtin.def: Update builtin definitions.
8106         * config/i386/i386.c: Handle new builtin types and remove useless ones.
8107         * config/i386/sse.md: Update VFIXUPIMM* patterns.
8108         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8109         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8110         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
8111         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8112         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8113         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
8114         * config/i386/subst.md:
8115         (round_saeonly_sd_mask_operand4): Add new subst_attr.
8116         (round_saeonly_sd_mask_op4): Ditto.
8117         (round_saeonly_expand_operand5): Ditto.
8118         (round_saeonly_expand): Update.
8119
8120 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8121
8122         PR target/88794
8123         Revert:
8124         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
8125
8126         * config/i386/sse.md: Combine VFIXUPIMM* patterns
8127         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8128         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8129         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
8130         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
8131         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
8132         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
8133
8134 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
8135
8136         PR target/88794
8137         Revert:
8138         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
8139
8140         PR target/88489
8141         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
8142         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
8143         instead of UNSPEC_FIXUPIMM.
8144
8145 2019-01-17  Richard Biener  <rguenther@suse.de>
8146
8147         PR lto/86736
8148         * dwarf2out.c (want_pubnames): Never generate pubnames sections
8149         and friends for the LTO part of debug info.
8150
8151 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
8152
8153         PR tree-optimization/86214
8154         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
8155         if x == y.
8156
8157         PR rtl-optimization/88870
8158         * dce.c (deletable_insn_p): Never delete const/pure calls that can
8159         throw if we can't alter the cfg or delete dead exceptions.
8160         (mark_insn): Don't call find_call_stack_args for such calls.
8161
8162 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
8163
8164         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
8165         prototypes for vec_st.
8166         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
8167         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
8168         mainly on signed/unsigned long long and double.
8169
8170 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
8171
8172         PR target/88861
8173         * combine.c (delete_noop_moves): Convert to "bool" return,
8174         returning true if any edges are eliminated.
8175         (combine_instructions): Also return true if delete_noop_moves
8176         returns true.
8177
8178 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8179
8180         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
8181         correct max nunits for endian swap.
8182         (aarch64_expand_fcmla_builtin): Correct subreg code.
8183         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8184         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
8185         lane endianness.
8186
8187 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
8188
8189         * config/alpha/alpha.c (alpha_gimplify_va_arg):
8190         Handle split indirect COMPLEX_TYPE arguments.
8191
8192 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
8193
8194         PR target/86891
8195         * config/aarch64/aarch64-modes.def: Add comment about how the carry
8196         bit is set by add and compare.
8197         (CC_ADC): New CC_MODE.
8198         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
8199         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
8200         comparison.  Add detection for CC_ADCmode.
8201         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
8202         CC_ADCmode.
8203         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
8204         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
8205         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
8206         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
8207         to eliminate the need for zero-extending the operands.
8208         (add<mode>3_compareC_imm): Delete.  Merge into ...
8209         (add<mode>3_compareC): ... this.  Restructure the comparison to
8210         eliminate the need for zero-extending the operands.
8211         (add<mode>3_carryin): Use LTU for the overflow detection.
8212         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
8213         Reexpress comparison for overflow.
8214         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
8215         (add<mode>3_carryinC): Likewise.
8216         (add<mode>3_carryinV): Use LTU for carry between partials.
8217         * config/aarch64/predicates.md (aarch64_carry_operation): Update
8218         handling of CC_Cmode and add CC_ADCmode.
8219         (aarch64_borrow_operation): Likewise.
8220
8221 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
8222
8223         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
8224         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
8225         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
8226         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
8227
8228 2019-01-16  Martin Liska  <mliska@suse.cz>
8229
8230         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
8231         for GCC driver.
8232         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
8233         a new argument.
8234         * gcc.c (add_sysrooted_hdrs_prefix): New function.
8235         (path_prefix_reset): Move up in the source file.
8236         (find_fortran_preinclude_file): Make complex search for the
8237         fortran header files.
8238
8239 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
8240
8241         * godump.c (go_output_typedef): When outputting a typedef, refer
8242         to the underlying type by its name and not its structure.
8243
8244 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
8245
8246         PR c++/88795
8247         * tree.c (build_function_type): Assert that arg_types is not
8248         error_mark_node.
8249
8250 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8251
8252         PR inline-asm/52813
8253         * doc/extend.texi: Document that listing the stack pointer in the
8254         clobber list of an asm is a deprecated feature.
8255         * common.opt (Wdeprecated): Moved from c-family/c.opt.
8256         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
8257         warning instead of an error for clobbers of the stack pointer.
8258         Add a note explaining why.
8259
8260 2019-01-15  Richard Biener  <rguenther@suse.de>
8261
8262         PR debug/88046
8263         * dwarf2out.c (gen_member_die): Do not generate inheritance
8264         DIEs late.
8265
8266 2019-01-15  Richard Biener  <rguenther@suse.de>
8267
8268         PR tree-optimization/88855
8269         * tree-if-conv.c (combine_blocks): Collect
8270         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
8271
8272 2019-01-15  Tom de Vries  <tdevries@suse.de>
8273
8274         PR target/80547
8275         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
8276         lhs == NULL_TREE for gang-level reduction.
8277
8278 2019-01-15  Richard Biener  <rguenther@suse.de>
8279             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
8280
8281         PR ipa/88788
8282         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
8283         return true if SSA_NAME is already marked in visited bitmap.
8284         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
8285
8286 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
8287
8288         PR tree-optimization/88775
8289         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
8290         equal == 0 equality pointer comparisons some more if compared in
8291         integral types and either one points to an automatic var and the
8292         other to a global, or we can prove at least one points to the middle
8293         or both point to start or both point to end.
8294
8295 2019-01-14  Andi Kleen  <ak@linux.intel.com>
8296
8297         * Makefile.in: Lower autofdo sampling rate by 10x.
8298         * Makefile.tpl: Dito.
8299
8300 2019-01-14  Tom Honermann  <tom@honermann.net>
8301
8302         * defaults.h: Define CHAR8_TYPE.
8303
8304 2019-01-14  Martin Sebor  <msebor@redhat.com>
8305
8306         PR target/88638
8307         * doc/extend.texi (Darwin Format Checks): Clarify.
8308
8309 2019-01-14  Richard Biener  <rguenther@suse.de>
8310
8311         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
8312         whether we are in (simplify ...) or (match ...) context.
8313
8314 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
8315
8316         PR rtl-optimization/88796
8317         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
8318         * cfgexpand.c (stack_protect_prologue): Initialize
8319         crtl->stack_protect_guard_decl.
8320         * function.c (stack_protect_epilogue): Use it instead of calling
8321         targetm.stack_protect_guard again.
8322         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
8323         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
8324         crtl->stack_protect_guard_decl.
8325         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
8326         on the returned MEM_EXPR.
8327
8328 2019-01-12  Tom de Vries  <tdevries@suse.de>
8329
8330         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
8331         vector length using -fopenacc-dim.
8332
8333 2019-01-12  Tom de Vries  <tdevries@suse.de>
8334
8335         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
8336         lengths into account.
8337
8338 2019-01-12  Svante Signell  <svante.signell@gmail.com>
8339
8340         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
8341         (TARGET_CAN_SPLIT_STACK): Define.
8342         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
8343
8344 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
8345
8346         * params.def (inline-unit-growth): Set to 40.
8347
8348 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
8349
8350         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
8351
8352 2019-01-12  Tom de Vries  <tdevries@suse.de>
8353
8354         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
8355         region calling vector-partitionable routine, set default_vector_length
8356         to WARP_SIZE.
8357
8358 2019-01-12  Tom de Vries  <tdevries@suse.de>
8359
8360         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
8361         variable default_vector_length.
8362
8363 2019-01-12  Tom de Vries  <tdevries@suse.de>
8364
8365         PR middle-end/88703
8366         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
8367         from oacc_default_dims, as oacc_validate_dims would do it, and apply
8368         dimensions limits.
8369
8370 2019-01-12  Tom de Vries  <tdevries@suse.de>
8371
8372         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
8373         (nvptx_goacc_validate_dims): Add used parameter.
8374         * doc/tm.texi: Regenerate.
8375         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
8376         argument to call to targetm.goacc.validate_dims.
8377         (default_goacc_validate_dims): Add used
8378         parameter.
8379         * target.def (validate_dims): Add used parameter in DEFHOOK.
8380         * targhooks.h (default_goacc_validate_dims): Add used parameter.
8381
8382 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8383
8384         PR middle-end/85956
8385         PR lto/88733
8386         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
8387         field.
8388         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
8389         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
8390         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
8391         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
8392
8393 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
8394
8395         PR rtl-optimization/87305
8396         * lra-assigns.c
8397         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
8398         for little endian pseudos used as paradoxical subreg.
8399
8400 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8401
8402         PR tree-optimization/88693
8403         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
8404         for STRING_CSTs that don't contain any NUL characters in the first
8405         TREE_STRING_LENGTH bytes.
8406
8407 2019-01-11  Alan Modra  <amodra@gmail.com>
8408
8409         PR 88777
8410         PR 88614
8411         * genattrtab.c (min_fn): Don't translate values.
8412         (min_attr_value): Return INT_MAX when the value can't be calculated.
8413         Return minimum among any values that can be calculated.
8414         (max_attr_value): Adjust.
8415
8416 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8417
8418         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
8419
8420 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8421
8422         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8423         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
8424         (aarch64_return_call_with_max_clobbers): New function.
8425         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
8426         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
8427         argument.
8428         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
8429         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
8430         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
8431         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
8432         * cselib.c (cselib_process_insn): Add argument to
8433         targetm.hard_regno_call_part_clobbered call.
8434         * ira-conflicts.c (ira_build_conflicts): Ditto.
8435         * ira-costs.c (ira_tune_allocno_costs): Ditto.
8436         * lra-constraints.c (inherit_reload_reg): Ditto.
8437         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
8438         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
8439         argument.  Call targetm.return_call_with_max_clobbers.
8440         Add argument to targetm.hard_regno_call_part_clobbered call.
8441         (calls_have_same_clobbers_p): New function.
8442         (process_bb_lives): Add call_insn and last_call_insn variables.
8443         Pass call_insn to check_pseudos_live_through_calls.
8444         Modify if stmt to check targetm.return_call_with_max_clobbers.
8445         Update setting of flush variable.
8446         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
8447         to false.
8448         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
8449         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
8450         targetm.hard_regno_call_part_clobbered call.
8451         * reginfo.c (choose_hard_reg_mode): Ditto.
8452         * regrename.c (check_new_reg_p): Ditto.
8453         * reload.c (find_equiv_reg): Ditto.
8454         * reload1.c (emit_reload_insns): Ditto.
8455         * sched-deps.c (deps_analyze_insn): Ditto.
8456         * sel-sched.c (init_regs_for_mode): Ditto.
8457         (mark_unavailable_hard_regs): Ditto.
8458         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
8459         * target.def (hard_regno_call_part_clobbered): Add insn argument.
8460         (return_call_with_max_clobbers): New target function.
8461         * doc/tm.texi: Regenerate.
8462         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
8463         * hooks.c (hook_bool_uint_mode_false): Change to
8464         hook_bool_insn_uint_mode_false.
8465         * hooks.h (hook_bool_uint_mode_false): Ditto.
8466
8467 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
8468
8469         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
8470         (aarch64_remove_extra_call_preserved_regs): New function.
8471         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
8472         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
8473         * doc/tm.texi: Regenerate.
8474         * final.c (get_call_reg_set_usage): Call new hook.
8475         * target.def (remove_extra_call_preserved_regs): New hook.
8476         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
8477         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
8478
8479 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
8480
8481         PR bootstrap/88714
8482         * passes.c (finish_optimization_passes): Call print_combine_total_stats
8483         inside of pass_combine_1 dump rather than pass_profile_1.
8484
8485 2019-01-11  Tom de Vries  <tdevries@suse.de>
8486
8487         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
8488         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
8489         (PTX_NUM_PER_WORKER_BARRIERS): Define.
8490         (nvptx_apply_dim_limits): Prevent vector_length 64 and
8491         num_workers 16.
8492
8493 2019-01-11  Tom de Vries  <tdevries@suse.de>
8494
8495         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
8496
8497 2019-01-11  Jan Beulich  <jbeulich@suse.com>
8498
8499         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
8500         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
8501         sse2_cvtsi2sd): Add {l}.
8502         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
8503         syntax.
8504
8505 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8506
8507         PR target/88785
8508         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
8509         define_expand.
8510         (*float<floatunssuffix>v2div2sf2): New define_insn.
8511         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
8512         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
8513         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
8514         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
8515         match_operands with "const0_operand" "C".
8516
8517 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8518
8519         * config/aarch64/aarch64-builtins.c
8520         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
8521         (aarch64_init_simd_builtins): ...Here
8522
8523 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
8524
8525         PR rtl-optimization/87305
8526         * lra-assigns.c
8527         (setup_live_pseudos_and_spill_after_risky_transforms): Check
8528         allocation for big endian pseudos used as paradoxical subregs and
8529         spill them if it is wrong.
8530         * lra-constraints.c (lra_constraints): Add a comment.
8531
8532 2019-01-10  Richard Biener  <rguenther@suse.de>
8533
8534         PR tree-optimization/88792
8535         * tree-ssa-pre.c (get_representative_for): Do not return a
8536         value-number here.
8537
8538 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8539
8540         PR middle-end/84877
8541         PR bootstrap/88450
8542         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
8543         (assign_parm_setup_block): Do the argument slot realignment here
8544         instead.
8545
8546 2019-01-10  Stefan Agner  <stefan@agner.ch>
8547
8548         PR target/88648
8549         * config/arm/arm.c (arm_option_override_internal): Force
8550         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
8551
8552 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
8553
8554         PR c/88568
8555         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
8556         DECL_EXTERNAL.
8557
8558 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8559
8560         * config/arm/arm-builtins.c
8561         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
8562         (MAC_LANE_PAIR_QUALIFIERS): New.
8563         (arm_expand_builtin_args): Use it.
8564         (arm_expand_builtin_1): Likewise.
8565         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
8566         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
8567         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
8568         * config/arm/arm_neon.h:
8569         (vcadd_rot90_f16): New.
8570         (vcaddq_rot90_f16): New.
8571         (vcadd_rot270_f16): New.
8572         (vcaddq_rot270_f16): New.
8573         (vcmla_f16): New.
8574         (vcmlaq_f16): New.
8575         (vcmla_lane_f16): New.
8576         (vcmla_laneq_f16): New.
8577         (vcmlaq_lane_f16): New.
8578         (vcmlaq_laneq_f16): New.
8579         (vcmla_rot90_f16): New.
8580         (vcmlaq_rot90_f16): New.
8581         (vcmla_rot90_lane_f16): New.
8582         (vcmla_rot90_laneq_f16): New.
8583         (vcmlaq_rot90_lane_f16): New.
8584         (vcmlaq_rot90_laneq_f16): New.
8585         (vcmla_rot180_f16): New.
8586         (vcmlaq_rot180_f16): New.
8587         (vcmla_rot180_lane_f16): New.
8588         (vcmla_rot180_laneq_f16): New.
8589         (vcmlaq_rot180_lane_f16): New.
8590         (vcmlaq_rot180_laneq_f16): New.
8591         (vcmla_rot270_f16): New.
8592         (vcmlaq_rot270_f16): New.
8593         (vcmla_rot270_lane_f16): New.
8594         (vcmla_rot270_laneq_f16): New.
8595         (vcmlaq_rot270_lane_f16): New.
8596         (vcmlaq_rot270_laneq_f16): New.
8597         (vcadd_rot90_f32): New.
8598         (vcaddq_rot90_f32): New.
8599         (vcadd_rot270_f32): New.
8600         (vcaddq_rot270_f32): New.
8601         (vcmla_f32): New.
8602         (vcmlaq_f32): New.
8603         (vcmla_lane_f32): New.
8604         (vcmla_laneq_f32): New.
8605         (vcmlaq_lane_f32): New.
8606         (vcmlaq_laneq_f32): New.
8607         (vcmla_rot90_f32): New.
8608         (vcmlaq_rot90_f32): New.
8609         (vcmla_rot90_lane_f32): New.
8610         (vcmla_rot90_laneq_f32): New.
8611         (vcmlaq_rot90_lane_f32): New.
8612         (vcmlaq_rot90_laneq_f32): New.
8613         (vcmla_rot180_f32): New.
8614         (vcmlaq_rot180_f32): New.
8615         (vcmla_rot180_lane_f32): New.
8616         (vcmla_rot180_laneq_f32): New.
8617         (vcmlaq_rot180_lane_f32): New.
8618         (vcmlaq_rot180_laneq_f32): New.
8619         (vcmla_rot270_f32): New.
8620         (vcmlaq_rot270_f32): New.
8621         (vcmla_rot270_lane_f32): New.
8622         (vcmla_rot270_laneq_f32): New.
8623         (vcmlaq_rot270_lane_f32): New.
8624         (vcmlaq_rot270_laneq_f32): New.
8625         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
8626         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180,
8627         vcmla_lane270, vcmla_laneq0, vcmla_laneq90, vcmla_laneq180,
8628         vcmla_laneq270, vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180,
8629         vcmlaq_lane270): New.
8630         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
8631         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
8632         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
8633         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
8634         (arm_option_reconfigure_globals): Use them.
8635         * config/arm/iterators.md (VDF, VQ_HSF): New.
8636         (VCADD, VCMLA): New.
8637         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
8638         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>):
8639         New.
8640         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
8641         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
8642
8643 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
8644
8645         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
8646         Add qualifier_lane_pair_index.
8647         (emit-rtl.h): Include.
8648         (TYPES_QUADOP_LANE_PAIR): New.
8649         (aarch64_simd_expand_args): Use it.
8650         (aarch64_simd_expand_builtin): Likewise.
8651         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum):
8652         New.
8653         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
8654         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
8655         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
8656         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
8657         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
8658         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF,
8659         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
8660         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF,
8661         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
8662         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF,
8663         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
8664         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
8665         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
8666         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins):
8667         Add __ARM_FEATURE_COMPLEX.
8668         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0,
8669         fcmla90, fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180,
8670         fcmla_lane270, fcmla_laneq0, fcmla_laneq90, fcmla_laneq180,
8671         fcmla_laneq270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
8672         fcmlaq_lane270): New.
8673         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
8674         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,
8675         aarch64_fcadd<rot><mode>, aarch64_fcmla<rot><mode>): New.
8676         * config/aarch64/arm_neon.h:
8677         (vcadd_rot90_f16): New.
8678         (vcaddq_rot90_f16): New.
8679         (vcadd_rot270_f16): New.
8680         (vcaddq_rot270_f16): New.
8681         (vcmla_f16): New.
8682         (vcmlaq_f16): New.
8683         (vcmla_lane_f16): New.
8684         (vcmla_laneq_f16): New.
8685         (vcmlaq_lane_f16): New.
8686         (vcmlaq_rot90_lane_f16): New.
8687         (vcmla_rot90_laneq_f16): New.
8688         (vcmla_rot90_lane_f16): New.
8689         (vcmlaq_rot90_f16): New.
8690         (vcmla_rot90_f16): New.
8691         (vcmlaq_laneq_f16): New.
8692         (vcmla_rot180_laneq_f16): New.
8693         (vcmla_rot180_lane_f16): New.
8694         (vcmlaq_rot180_f16): New.
8695         (vcmla_rot180_f16): New.
8696         (vcmlaq_rot90_laneq_f16): New.
8697         (vcmlaq_rot270_laneq_f16): New.
8698         (vcmlaq_rot270_lane_f16): New.
8699         (vcmla_rot270_laneq_f16): New.
8700         (vcmlaq_rot270_f16): New.
8701         (vcmla_rot270_f16): New.
8702         (vcmlaq_rot180_laneq_f16): New.
8703         (vcmlaq_rot180_lane_f16): New.
8704         (vcmla_rot270_lane_f16): New.
8705         (vcadd_rot90_f32): New.
8706         (vcaddq_rot90_f32): New.
8707         (vcaddq_rot90_f64): New.
8708         (vcadd_rot270_f32): New.
8709         (vcaddq_rot270_f32): New.
8710         (vcaddq_rot270_f64): New.
8711         (vcmla_f32): New.
8712         (vcmlaq_f32): New.
8713         (vcmlaq_f64): New.
8714         (vcmla_lane_f32): New.
8715         (vcmla_laneq_f32): New.
8716         (vcmlaq_lane_f32): New.
8717         (vcmlaq_laneq_f32): New.
8718         (vcmla_rot90_f32): New.
8719         (vcmlaq_rot90_f32): New.
8720         (vcmlaq_rot90_f64): New.
8721         (vcmla_rot90_lane_f32): New.
8722         (vcmla_rot90_laneq_f32): New.
8723         (vcmlaq_rot90_lane_f32): New.
8724         (vcmlaq_rot90_laneq_f32): New.
8725         (vcmla_rot180_f32): New.
8726         (vcmlaq_rot180_f32): New.
8727         (vcmlaq_rot180_f64): New.
8728         (vcmla_rot180_lane_f32): New.
8729         (vcmla_rot180_laneq_f32): New.
8730         (vcmlaq_rot180_lane_f32): New.
8731         (vcmlaq_rot180_laneq_f32): New.
8732         (vcmla_rot270_f32): New.
8733         (vcmlaq_rot270_f32): New.
8734         (vcmlaq_rot270_f64): New.
8735         (vcmla_rot270_lane_f32): New.
8736         (vcmla_rot270_laneq_f32): New.
8737         (vcmlaq_rot270_lane_f32): New.
8738         (vcmlaq_rot270_laneq_f32): New.
8739         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
8740         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
8741         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
8742         (FCADD, FCMLA): New.
8743         (rot): New.
8744         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
8745
8746 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8747
8748         PR other/16615
8749
8750         * config/pa/pa.c: Change "can not" to "cannot".
8751         * gimple-ssa-evrp-analyze.c: Likewise.
8752         * ipa-icf.c: Likewise.
8753         * ipa-polymorphic-call.c: Likewise.
8754         * ipa-pure-const.c: Likewise.
8755         * lra-constraints.c: Likewise.
8756         * lra-remat.c: Likewise.
8757         * reload1.c: Likewise.
8758         * reorg.c: Likewise.
8759         * tree-ssa-uninit.c: Likewise.
8760
8761 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
8762
8763         PR other/16615
8764
8765         * Makefile.in: Mechanically replace "can not" with "cannot".
8766         * alias.c: Likewise.
8767         * builtins.c: Likewise.
8768         * calls.c: Likewise.
8769         * cgraph.c: Likewise.
8770         * cgraph.h: Likewise.
8771         * cgraphclones.c: Likewise.
8772         * cgraphunit.c: Likewise.
8773         * combine-stack-adj.c: Likewise.
8774         * combine.c: Likewise.
8775         * common/config/i386/i386-common.c: Likewise.
8776         * config/aarch64/aarch64.c: Likewise.
8777         * config/alpha/sync.md: Likewise.
8778         * config/arc/arc.c: Likewise.
8779         * config/arc/predicates.md: Likewise.
8780         * config/arm/arm-c.c: Likewise.
8781         * config/arm/arm.c: Likewise.
8782         * config/arm/arm.h: Likewise.
8783         * config/arm/arm.md: Likewise.
8784         * config/arm/cortex-r4f.md: Likewise.
8785         * config/csky/csky.c: Likewise.
8786         * config/csky/csky.h: Likewise.
8787         * config/darwin-f.c: Likewise.
8788         * config/epiphany/epiphany.md: Likewise.
8789         * config/i386/i386.c: Likewise.
8790         * config/i386/sol2.h: Likewise.
8791         * config/m68k/m68k.c: Likewise.
8792         * config/mcore/mcore.h: Likewise.
8793         * config/microblaze/microblaze.md: Likewise.
8794         * config/mips/20kc.md: Likewise.
8795         * config/mips/sb1.md: Likewise.
8796         * config/nds32/nds32.c: Likewise.
8797         * config/nds32/predicates.md: Likewise.
8798         * config/pa/pa.c: Likewise.
8799         * config/rs6000/e300c2c3.md: Likewise.
8800         * config/rs6000/rs6000.c: Likewise.
8801         * config/s390/s390.h: Likewise.
8802         * config/sh/sh.c: Likewise.
8803         * config/sh/sh.md: Likewise.
8804         * config/spu/vmx2spu.h: Likewise.
8805         * cprop.c: Likewise.
8806         * dbxout.c: Likewise.
8807         * df-scan.c: Likewise.
8808         * doc/cfg.texi: Likewise.
8809         * doc/extend.texi: Likewise.
8810         * doc/fragments.texi: Likewise.
8811         * doc/gty.texi: Likewise.
8812         * doc/invoke.texi: Likewise.
8813         * doc/lto.texi: Likewise.
8814         * doc/md.texi: Likewise.
8815         * doc/objc.texi: Likewise.
8816         * doc/rtl.texi: Likewise.
8817         * doc/tm.texi: Likewise.
8818         * dse.c: Likewise.
8819         * emit-rtl.c: Likewise.
8820         * emit-rtl.h: Likewise.
8821         * except.c: Likewise.
8822         * expmed.c: Likewise.
8823         * expr.c: Likewise.
8824         * fold-const.c: Likewise.
8825         * genautomata.c: Likewise.
8826         * gimple-fold.c: Likewise.
8827         * hard-reg-set.h: Likewise.
8828         * ifcvt.c: Likewise.
8829         * ipa-comdats.c: Likewise.
8830         * ipa-cp.c: Likewise.
8831         * ipa-devirt.c: Likewise.
8832         * ipa-fnsummary.c: Likewise.
8833         * ipa-icf.c: Likewise.
8834         * ipa-inline-transform.c: Likewise.
8835         * ipa-inline.c: Likewise.
8836         * ipa-polymorphic-call.c: Likewise.
8837         * ipa-profile.c: Likewise.
8838         * ipa-prop.c: Likewise.
8839         * ipa-pure-const.c: Likewise.
8840         * ipa-reference.c: Likewise.
8841         * ipa-split.c: Likewise.
8842         * ipa-visibility.c: Likewise.
8843         * ipa.c: Likewise.
8844         * ira-build.c: Likewise.
8845         * ira-color.c: Likewise.
8846         * ira-conflicts.c: Likewise.
8847         * ira-costs.c: Likewise.
8848         * ira-int.h: Likewise.
8849         * ira-lives.c: Likewise.
8850         * ira.c: Likewise.
8851         * ira.h: Likewise.
8852         * loop-invariant.c: Likewise.
8853         * loop-unroll.c: Likewise.
8854         * lower-subreg.c: Likewise.
8855         * lra-assigns.c: Likewise.
8856         * lra-constraints.c: Likewise.
8857         * lra-eliminations.c: Likewise.
8858         * lra-lives.c: Likewise.
8859         * lra-remat.c: Likewise.
8860         * lra-spills.c: Likewise.
8861         * lra.c: Likewise.
8862         * lto-cgraph.c: Likewise.
8863         * lto-streamer-out.c: Likewise.
8864         * postreload-gcse.c: Likewise.
8865         * predict.c: Likewise.
8866         * profile-count.h: Likewise.
8867         * profile.c: Likewise.
8868         * recog.c: Likewise.
8869         * ree.c: Likewise.
8870         * reload.c: Likewise.
8871         * reload1.c: Likewise.
8872         * reorg.c: Likewise.
8873         * resource.c: Likewise.
8874         * rtl.def: Likewise.
8875         * rtl.h: Likewise.
8876         * rtlanal.c: Likewise.
8877         * sched-deps.c: Likewise.
8878         * sched-ebb.c: Likewise.
8879         * sched-rgn.c: Likewise.
8880         * sel-sched-ir.c: Likewise.
8881         * sel-sched.c: Likewise.
8882         * shrink-wrap.c: Likewise.
8883         * simplify-rtx.c: Likewise.
8884         * symtab.c: Likewise.
8885         * target.def: Likewise.
8886         * toplev.c: Likewise.
8887         * tree-call-cdce.c: Likewise.
8888         * tree-cfg.c: Likewise.
8889         * tree-complex.c: Likewise.
8890         * tree-core.h: Likewise.
8891         * tree-eh.c: Likewise.
8892         * tree-inline.c: Likewise.
8893         * tree-loop-distribution.c: Likewise.
8894         * tree-nrv.c: Likewise.
8895         * tree-profile.c: Likewise.
8896         * tree-sra.c: Likewise.
8897         * tree-ssa-alias.c: Likewise.
8898         * tree-ssa-dce.c: Likewise.
8899         * tree-ssa-dom.c: Likewise.
8900         * tree-ssa-forwprop.c: Likewise.
8901         * tree-ssa-loop-im.c: Likewise.
8902         * tree-ssa-loop-ivcanon.c: Likewise.
8903         * tree-ssa-loop-ivopts.c: Likewise.
8904         * tree-ssa-loop-niter.c: Likewise.
8905         * tree-ssa-phionlycprop.c: Likewise.
8906         * tree-ssa-phiopt.c: Likewise.
8907         * tree-ssa-propagate.c: Likewise.
8908         * tree-ssa-threadedge.c: Likewise.
8909         * tree-ssa-threadupdate.c: Likewise.
8910         * tree-ssa-uninit.c: Likewise.
8911         * tree-ssanames.c: Likewise.
8912         * tree-streamer-out.c: Likewise.
8913         * tree.c: Likewise.
8914         * tree.h: Likewise.
8915         * vr-values.c: Likewise.
8916
8917 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
8918
8919         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
8920         (ix86_split_xorsign): Ditto.
8921         * config/i386/i386.c (ix86_expand_xorsign): New function.
8922         (ix86_split_xorsign): Ditto.
8923         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
8924         (xorsign<mode>3): New expander.
8925         (xorsign<mode>3_1): New insn_and_split pattern.
8926         * config/i386/sse.md (xorsign<mode>3): New expander.
8927
8928 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8929
8930         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
8931         (*tablejump_sp64): Likewise.
8932         (*tablejump<P:mode>): ...this.
8933         (*call_address_sp32): Merge into...
8934         (*call_address_sp64): Likewise.
8935         (*call_address<P:mode>): ...this.
8936         (*call_symbolic_sp32): Merge into...
8937         (*call_symbolic_sp64): Likewise.
8938         (*call_symbolic<P:mode>): ...this.
8939         (call_value): Remove constraint and add predicate.
8940         (*call_value_address_sp32): Merge into...
8941         (*call_value_address_sp64): Likewise.
8942         (*call_value_address<P:mode>): ...this.
8943         (*call_value_symbolic_sp32): Merge into...
8944         (*call_value_symbolic_sp64): Likewise.
8945         (*call_value_symbolic<P:mode>): ...this.
8946         (*sibcall_symbolic_sp32): Merge into...
8947         (*sibcall_symbolic_sp64): Likewise.
8948         (*sibcall_symbolic<P:mode>): ...this.
8949         (sibcall_value): Remove constraint and add predicate.
8950         (*sibcall_value_symbolic_sp32): Merge into...
8951         (*sibcall_value_symbolic_sp64): Likewise.
8952         (*sibcall_value_symbolic<P:mode>): ...this.
8953         (window_save): Minor tweak.
8954         (*branch_sp32): Merge into...
8955         (*branch_sp64): Likewise.
8956         (*branch<P:mode>): ...this.
8957
8958 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
8959             James Clarke  <jrtc27@jrtc27.com>
8960
8961         PR target/84010
8962         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
8963         consistently in TLS address generation and adjust code to the renaming
8964         of patterns.  Mark calls to __tls_get_addr as const.
8965         * config/sparc/sparc.md (tgd_hi22): Turn into...
8966         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
8967         (tgd_lo10): Turn into...
8968         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
8969         (tgd_add32): Merge into...
8970         (tgd_add64): Likewise.
8971         (tgd_add<P:mode>): ...this and use Pmode throughout.
8972         (tldm_hi22): Turn into...
8973         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
8974         (tldm_lo10): Turn into...
8975         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
8976         (tldm_add32): Merge into...
8977         (tldm_add64): Likewise.
8978         (tldm_add<P:mode>): ...this and use Pmode throughout.
8979         (tldm_call32): Merge into...
8980         (tldm_call64): Likewise.
8981         (tldm_call<P:mode>): ...this and use Pmode throughout.
8982         (tldo_hix22): Turn into...
8983         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
8984         (tldo_lox10): Turn into...
8985         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
8986         (tldo_add32): Merge into...
8987         (tldo_add64): Likewise.
8988         (tldo_add<P:mode>): ...this and use Pmode throughout.
8989         (tie_hi22): Turn into...
8990         (tie_hi22<P:mode>): ...this and use Pmode throughout.
8991         (tie_lo10): Turn into...
8992         (tie_lo10<P:mode>): ...this and use Pmode throughout.
8993         (tie_ld64): Use DImode throughout.
8994         (tie_add32): Merge into...
8995         (tie_add64): Likewise.
8996         (tie_add<P:mode>): ...this and use Pmode throughout.
8997         (tle_hix22_sp32): Merge into...
8998         (tle_hix22_sp64): Likewise.
8999         (tle_hix22<P:mode>): ...this and use Pmode throughout.
9000         (tle_lox22_sp32): Merge into...
9001         (tle_lox22_sp64): Likewise.
9002         (tle_lox22<P:mode>): ...this and use Pmode throughout.
9003         (*tldo_ldub_sp32): Merge into...
9004         (*tldo_ldub_sp64): Likewise.
9005         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
9006         (*tldo_ldub1_sp32): Merge into...
9007         (*tldo_ldub1_sp64): Likewise.
9008         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
9009         (*tldo_ldub2_sp32): Merge into...
9010         (*tldo_ldub2_sp64): Likewise.
9011         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
9012         (*tldo_ldsb1_sp32): Merge into...
9013         (*tldo_ldsb1_sp64): Likewise.
9014         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
9015         (*tldo_ldsb2_sp32): Merge into...
9016         (*tldo_ldsb2_sp64): Likewise.
9017         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
9018         (*tldo_ldub3_sp64): Use DImode throughout.
9019         (*tldo_ldsb3_sp64): Likewise.
9020         (*tldo_lduh_sp32): Merge into...
9021         (*tldo_lduh_sp64): Likewise.
9022         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
9023         (*tldo_lduh1_sp32): Merge into...
9024         (*tldo_lduh1_sp64): Likewise.
9025         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
9026         (*tldo_ldsh1_sp32): Merge into...
9027         (*tldo_ldsh1_sp64): Likewise.
9028         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
9029         (*tldo_lduh2_sp64): Use DImode throughout.
9030         (*tldo_ldsh2_sp64): Likewise.
9031         (*tldo_lduw_sp32): Merge into...
9032         (*tldo_lduw_sp64): Likewise.
9033         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
9034         (*tldo_lduw1_sp64): Use DImode throughout.
9035         (*tldo_ldsw1_sp64): Likewise.
9036         (*tldo_ldx_sp64): Likewise.
9037         (*tldo_stb_sp32): Merge into...
9038         (*tldo_stb_sp64): Likewise.
9039         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
9040         (*tldo_sth_sp32): Merge into...
9041         (*tldo_sth_sp64): Likewise.
9042         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
9043         (*tldo_stw_sp32): Merge into...
9044         (*tldo_stw_sp64): Likewise.
9045         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
9046         (*tldo_stx_sp64): Use DImode throughout.
9047
9048 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9049
9050         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
9051         check configure option to set BTI and Return Address Signing.
9052         * configure.ac: Add --enable-standard-branch-protection and
9053         --disable-standard-branch-protection.
9054         * configure: Regenerated.
9055         * doc/install.texi: Document the same.
9056
9057 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9058             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9059
9060         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
9061         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
9062         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
9063         if bti is enabled.
9064         * config/aarch64/aarch64-bti-insert.c: New file.
9065         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
9066         pass.
9067         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
9068         new bti pass.
9069         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
9070         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
9071         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
9072         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
9073
9074 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9075
9076         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
9077         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
9078         Disable bti for -mbranch-protection=none.
9079         (aarch64_handle_standard_branch_protection): Enable bti for
9080         -mbranch-protection=standard.
9081         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
9082         -mbranch-protection.
9083         (aarch64_bti_enabled): Check if bti is enabled.
9084         * config/aarch64/aarch64.opt: Declare target variable.
9085         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
9086
9087 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9088
9089         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
9090         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
9091         (aarch64_expand_epilogue): Likewise.
9092         (aarch64_output_mi_thunk): Likewise
9093         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
9094         TAILCALL_ADDR_REGS to x16 and x17.
9095         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
9096
9097 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9098
9099         * config/aarch64/aarch64-option-extensions.def: Define
9100         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
9101         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
9102         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
9103         (AARCH64_FL_PREDRES): New.
9104         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
9105         AARCH64_FL_PREDRES by default.
9106         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
9107
9108 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
9109
9110         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
9111         ARMv8.5-A.
9112         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
9113         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
9114         * doc/invoke.texi: Document ARMv8.5-A.
9115
9116 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
9117
9118         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
9119         (xorsign<mode>3): Likewise.
9120
9121 2019-01-09  Jelinek  <jakub@redhat.com>
9122
9123         PR middle-end/88758
9124         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
9125         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
9126
9127         PR rtl-optimization/88331
9128         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
9129         not currently_expanding_to_rtl.
9130
9131 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
9132
9133         * doc/invoke.texi (-Os): Remove trailing spaces.
9134         (-finline-functions): Remove reference to -O2.
9135
9136 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
9137
9138         PR rtl-optimization/79593
9139         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
9140
9141         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
9142         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
9143
9144 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
9145
9146         PR bootstrap/88721
9147         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
9148         to -1 on entry.
9149
9150         PR debug/88723
9151         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
9152         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
9153
9154 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9155
9156         PR target/88717
9157         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
9158         ix86_avx_u128_mode_entry.
9159
9160 2019-01-08  Martin Liska  <mliska@suse.cz>
9161
9162         PR tree-optimization/88753
9163         * tree-switch-conversion.c (switch_conversion::build_one_array):
9164         Come up with local variable constructor.  Convert first to
9165         type of constructor values.
9166
9167 2019-01-08  Richard Biener  <rguenther@suse.de>
9168
9169         PR tree-optimization/86554
9170         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
9171         rpo_avail): Move earlier.
9172         (visit_nary_op): When value-numbering to expressions
9173         with different overflow behavior make sure there's an
9174         available expression on the path.
9175
9176 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
9177
9178         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
9179         aarch64_parse_branch_protection,
9180         struct aarch64_branch_protect_type,
9181         aarch64_handle_no_branch_protection,
9182         aarch64_handle_standard_branch_protection,
9183         aarch64_validate_mbranch_protection,
9184         aarch64_handle_pac_ret_protection,
9185         aarch64_handle_attr_branch_protection,
9186         accepted_branch_protection_string,
9187         aarch64_pac_ret_subtypes,
9188         aarch64_branch_protect_types,
9189         aarch64_handle_pac_ret_leaf): Define.
9190         (aarch64_override_options_after_change_1, aarch64_override_options):
9191         Add check for accepted_branch_protection_string.
9192         (aarch64_option_save): Save accepted_branch_protection_string.
9193         (aarch64_option_restore): Save accepted_branch_protection_string.
9194         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
9195         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
9196         msign-return-address.
9197         * doc/invoke.texi: Add mbranch-protection.
9198
9199 2019-01-08  Alan Modra  <amodra@gmail.com>
9200
9201         PR target/88614
9202         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
9203         Delete "unknownp" parameter.  Adjust callers.  Handle
9204         CONST_INT, PLUS, MINUS, and MULT.
9205         (attr_value_aligned): Renamed from or_attr_value.
9206         (min_attr_value): Return INT_MIN for unhandled rtl case..
9207         (min_fn): ..and translate to INT_MAX here.
9208         (write_length_unit_log): Modify to cope without "unknown".
9209         (write_attr_value): Handle IF_THEN_ELSE.
9210
9211 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9212
9213         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
9214         optimization for masked stores.
9215
9216 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9217
9218         PR middle-end/88567
9219         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
9220         output vector directly to duplicate_and_interleave instead of
9221         going through a temporary.  Postpone insertion of ctor_seq to
9222         the end of the loop.
9223
9224 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
9225
9226         PR target/86891
9227         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
9228         unsigned_p.  Handle signed and unsigned overflow correction as
9229         required.
9230         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
9231         prototype.
9232         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
9233         for operand 2.
9234         (add<mode>3_compareV_imm): Make this callable for expanding.
9235         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
9236         aarch64_plus_operand for operand 2.
9237         (subv<GPI:mode>_insn): New insn pattern.
9238         (subv<GPI:mode>_imm): Likewise.
9239         (negv<GPI:mode>3): New expand pattern.
9240         (negv<GPI:mode>_insn): New insn pattern.
9241         (negv<GPI:mode>_cmp_only): Likewise.
9242         (cmpv<GPI:mode>_insn): Likewise.
9243         (subvti4): Use register_operand for operand 1.  Update call to
9244         aarch64_expand_subvti.
9245         (usubvti4): Likewise.
9246         (negvti3): New expand pattern.
9247         (negdi_carryout): New insn pattern.
9248         (negvdi_carryinV): New insn pattern.
9249         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
9250         version the named version.
9251         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
9252         operands.
9253         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
9254         patterns.
9255         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
9256         patterns.
9257         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
9258         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
9259         (sub<mode>3_carryinCV): Delete.
9260         (sub<GPI:mode>3_carryinV): New expand pattern.
9261         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
9262
9263 2019-01-07  Richard Biener  <rguenther@suse.de>
9264
9265         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
9266         of tree_operand_hash.
9267
9268 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9269
9270         PR tree-optimization/88598
9271         * tree.h (single_nonzero_element): Declare.
9272         * tree.c (single_nonzero_element): New function.
9273         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
9274         if I is the only nonzero element of CST.
9275
9276 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
9277
9278         PR tree-optimization/88598
9279         * tree.h (initializer_each_zero_or_onep): Declare.
9280         * tree.c (initializer_each_zero_or_onep): New function.
9281         (signed_or_unsigned_type_for): Handle float types too.
9282         (unsigned_type_for, signed_type_for): Update comments accordingly.
9283         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
9284         x & { 0 or -1, 0 or -1, ... }.
9285
9286 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
9287
9288         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
9289         with x86_64-pc-linux-gnu.
9290
9291 2019-01-07  Tom de Vries  <tdevries@suse.de>
9292
9293         PR target/85486
9294         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
9295         function.
9296         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
9297         routines.
9298
9299 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
9300
9301         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
9302         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
9303         TARGET_AVX512F as condition.
9304
9305         PR debug/88723
9306         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
9307         const_not_ok_for_debug_p target hook.
9308         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
9309         on UNSPEC and subexpressions thereof if all subexpressions of the
9310         UNSPEC are CONSTANT_P.
9311
9312         PR tree-optimization/88676
9313         * tree-ssa-phiopt.c (two_value_replacement): New function.
9314         (tree_ssa_phiopt_worker): Call it.
9315
9316         PR sanitizer/88619
9317         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
9318         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
9319
9320         PR c++/85052
9321         * tree-vect-generic.c: Include insn-config.h and recog.h.
9322         (expand_vector_piecewise): Add defaulted ret_type argument,
9323         if non-NULL, use that in preference to type for the result type.
9324         (expand_vector_parallel): Formatting fix.
9325         (do_vec_conversion, do_vec_narrowing_conversion,
9326         expand_vector_conversion): New functions.
9327         (expand_vector_operations_1): Call expand_vector_conversion
9328         for VEC_CONVERT ifn calls.
9329         * internal-fn.def (VEC_CONVERT): New internal function.
9330         * internal-fn.c (expand_VEC_CONVERT): New function.
9331         * fold-const-call.c (fold_const_vec_convert): New function.
9332         (fold_const_call): Use it for CFN_VEC_CONVERT.
9333         * doc/extend.texi (__builtin_convertvector): Document.
9334
9335 2019-01-07  Tom de Vries  <tdevries@suse.de>
9336
9337         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
9338         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
9339         vector_red_partition, vector_red_sym): New global variables.
9340         (nvptx_option_override): Initialize vector_red_sym.
9341         (nvptx_declare_function_name): Restore red_partition register.
9342         (nvptx_file_end): Emit code to declare the vector reduction variables.
9343         (nvptx_output_red_partition): New function.
9344         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
9345         large vector reductions.
9346         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
9347         (nvptx_init_builtins): Add VECTOR_ADDR.
9348         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
9349         Handle nvptx_expand_shared_addr.
9350         (nvptx_get_shared_red_addr): Add vector argument and handle large
9351         vectors.
9352         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
9353         large vectors.
9354         (nvptx_goacc_reduction_init): Likewise.
9355         (nvptx_goacc_reduction_fini): Likewise.
9356         (nvptx_goacc_reduction_teardown): Likewise.
9357         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
9358         init,fini,teardown}.
9359         (nvptx_init_axis_predicate): Initialize vector_red_partition.
9360         (nvptx_set_current_function): Init vector_red_partition.
9361         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
9362         (nvptx_red_partition): New insn.
9363         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
9364
9365 2019-01-07  Tom de Vries  <tdevries@suse.de>
9366
9367         PR target/85381
9368         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
9369         empty loops.
9370
9371 2019-01-07  Tom de Vries  <tdevries@suse.de>
9372
9373         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
9374         (nvptx_option_override): Init oacc_bcast_partition.
9375         (nvptx_init_oacc_workers): New function.
9376         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
9377         (nvptx_needs_shared_bcast): New function.
9378         (nvptx_find_par): Generalize to enable vectors to use shared-memory
9379         to propagate state.
9380         (nvptx_shared_propagate): Initialize vector bcast partition and
9381         synchronization state.
9382         (nvptx_single):  Generalize to enable vectors to use shared-memory
9383         to propagate state.
9384         (nvptx_process_pars): Likewise.
9385         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
9386         * config/nvptx/nvptx.h (struct machine_function): Add
9387         bcast_partition and sync_bar members.
9388
9389 2019-01-07  Tom de Vries  <tdevries@suse.de>
9390
9391         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
9392         (nvptx_apply_dim_limits): New function.
9393         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
9394         PTX_WARP_SIZE.
9395
9396 2019-01-07  Tom de Vries  <tdevries@suse.de>
9397
9398         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
9399         as late as possible.
9400
9401 2019-01-07  Tom de Vries  <tdevries@suse.de>
9402
9403         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
9404         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
9405         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
9406         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
9407         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
9408
9409 2019-01-07  Tom de Vries  <tdevries@suse.de>
9410
9411         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
9412
9413 2019-01-07  Tom de Vries  <tdevries@suse.de>
9414
9415         * omp-offload.c (oacc_get_min_dim): New function.
9416         * omp-offload.h (oacc_get_min_dim): Declare.
9417
9418 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
9419
9420         PR target/88521
9421         * config/i386/i386.c (function_value_ms_64): Return small sturct in
9422         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
9423
9424 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9425
9426         PR tree-opt/86020
9427         Revert:
9428         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
9429
9430         * ipa-inline.c (edge_badness): Use inlined_time instead of
9431         inline_summaries->get.
9432
9433 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9434
9435         * opts.c (enable_fdo_optimizations): Enable
9436         version-loops-for-strides, loop-interchange, unrol-and-jam
9437         and tree-loop-distribution.
9438         * invoke.texi: Document newly enabled options.
9439
9440 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9441
9442         * doc/invoke.texi (max-inline-insns-small): New parameters.
9443         * ipa-inline.c (want_early_inline_function_p): simplify.
9444         (want_inline_small_function_p): Fix pasto from previous patch;
9445         use max-inline-insns-small bound.
9446         * params.def (max-inline-insns-small): New param.
9447         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
9448         variables correctly.
9449
9450 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9451
9452         * doc/invoke.texi: Document max-inline-insns-size,
9453         uninlined-function-insns, uninlined-function-time,
9454         uninlined-thunk-insns and uninlined-thunk-time.
9455         * params.def: Add max-inline-insns-size,
9456         uninlined-function-insns, uninlined-function-time,
9457         uninlined-thunk-insns and uninlined-thunk-time.
9458         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
9459         new parameters.
9460         * ipa-inline.c (can_inline_edge_by_limits_p,
9461         want_inline_small_function_p): Use new parameters.
9462
9463 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
9464
9465         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
9466
9467 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
9468
9469         PR middle-end/82564
9470         PR target/88620
9471         * expr.c (expand_assignment): For calls returning VLA structures
9472         if to_rtx is not a MEM, force it into a stack temporary.
9473
9474         PR debug/88635
9475         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
9476         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
9477         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
9478         subexpressions of both operands.
9479         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
9480         subrtxes are CONSTANT_P.
9481         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
9482         2018-11-09 changes.
9483
9484 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
9485
9486         * params.def (hot-bb-count-ws-permille): Set to 990.
9487
9488 2019-01-04  Martin Sebor  <msebor@redhat.com>
9489
9490         PR c/88546
9491         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
9492         leaf.
9493
9494 2019-01-04  Martin Sebor  <msebor@redhat.com>
9495
9496         PR c/88363
9497         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
9498
9499 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9500
9501         * gdbinit.in: Turn off pagination for the skip commands, restore
9502         it to previous state afterwards.
9503
9504 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
9505
9506         PR target/88594
9507         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
9508         of GET_MODE (opN) as modes of the libcall arguments.
9509
9510 2019-01-04  Jan Beulich  <jbeulich@suse.com>
9511
9512         * config/i386/sse.md
9513         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
9514         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
9515         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9516         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
9517         avx512f_vmcmp<mode>3<round_saeonly_name>,
9518         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
9519         avx512f_maskcmp<mode>3,
9520         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9521         <avx512>_cvt<ssemodesuffix>2mask<mode>,
9522         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9523         *<avx512>_cvtmask2<ssemodesuffix><mode>,
9524         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9525         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
9526         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9527         <avx512>_gt<mode>3<mask_scalar_merge_name>,
9528         <avx512>_testm<mode>3<mask_scalar_merge_name>,
9529         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
9530         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
9531         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
9532         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
9533         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
9534         avx512cd_maskb_vec_dup<mode>,
9535         avx512cd_maskw_vec_dup<mode>,
9536         avx512dq_fpclass<mode><mask_scalar_merge_name>,
9537         avx512dq_vmfpclass<mode>,
9538         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
9539         instead of =Yk.
9540
9541 2019-01-03  Martin Sebor  <msebor@redhat.com>
9542
9543         PR tree-optimization/88659
9544         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
9545
9546 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
9547
9548         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
9549         unaligned vsx and avoid lxvd2x/stxvd2x.
9550         (gen_lvx_v4si_move): New function.
9551
9552 2019-01-03  Tom de Vries  <tdevries@suse.de>
9553
9554         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
9555         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
9556         function.
9557         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
9558
9559 2019-01-03  Tom de Vries  <tdevries@suse.de>
9560
9561         * config/nvptx/nvptx.c (struct offload_attrs): New.
9562         (populate_offload_attrs): New function.  Factor mask extraction out of
9563         nvptx_reorg.  Add extraction of dimensions.
9564         (nvptx_reorg): Use populate_offload_attrs.
9565
9566 2019-01-03  Tom de Vries  <tdevries@suse.de>
9567
9568         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
9569         cases for oacc_min_dims_p and routine_p.  Add asserts for
9570         oacc_default_dims_p and offload_region_p.
9571
9572 2019-01-03  Tom de Vries  <tdevries@suse.de>
9573
9574         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
9575         factored out of ...
9576         (nvptx_goacc_validate_dims): ... here.
9577
9578 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9579
9580         PR tree-optimization/85574
9581         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
9582         structure.
9583         (struct ssa_equip_hash_traits): Declare.
9584         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
9585
9586 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
9587
9588         PR debug/88644
9589         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
9590         change it to qualified_type.
9591
9592 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
9593
9594         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
9595         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
9596
9597 2019-01-02  Martin Sebor  <msebor@redhat.com>
9598             Jeff Law  <law@redhat.com>
9599
9600         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
9601         (get_range_strlen_tree): Update appropriately.
9602         (get_range_strlen)
9603         * gimple-fold.h (get_range_strlen): Drop unused last argument.
9604
9605         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
9606         rather than set_range_info.
9607         * tree-ssa-strlen.c (set_strlen_range): Extracted from
9608         maybe_set_strlen_range.  Handle potentially boundary crossing
9609         cases more conservatively.
9610         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
9611         Call set_strlen_range.
9612         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
9613
9614         PR middle-end/88663
9615         * gimple-fold.c (get_range_strlen): Update prototype to no longer
9616         need the flexp argument.
9617         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
9618         from calls to get_range_strlen.  Update comments.  Just update
9619         VAL for an unterminated const char array and let the reset of the
9620         code handle it normally.  No longer try to set *flexp.  Adjust
9621         return value.
9622         (get_range_strlen): Update for the new get_range_strlen API.
9623         (get_maxval_strlen): Similarly.
9624         (gimple_fold_builtin_strlen): Handle update meaning of return value
9625         from get_range_strlen.
9626         * gimple-ssa-sprintf.c (get_string_length): Update for the new
9627         get_range_strlen API.
9628
9629 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
9630
9631         PR lto/88130
9632         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
9633         false at WPA time when body was removed.
9634
9635 2019-01-02  Martin Liska  <mliska@suse.cz>
9636
9637         PR tree-optimization/88650
9638         * predict.c (set_even_probabilities): Calculate probability
9639         remainer only when really used.
9640
9641 2019-01-02  Richard Biener  <rguenther@suse.de>
9642
9643         PR middle-end/88651
9644         * tree-data-ref.c (analyze_subscript_affine_affine): Use
9645         widest_ints when mangling max_stmt_execution results.
9646
9647 2019-01-02  Richard Biener  <rguenther@suse.de>
9648
9649         PR tree-optimization/88621
9650         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
9651         bitfields when canoncalizing.
9652
9653 2019-01-02  Richard Biener  <rguenther@suse.de>
9654
9655         PR target/87545
9656         * config/i386/x86-tune-costs.h (intel_cost): Adjust
9657         cost of cheap SSE instruction.
9658
9659 2019-01-02  Richard Biener  <rguenther@suse.de>
9660
9661         PR ipa/85574
9662         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
9663         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
9664         function.
9665         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
9666         set after UIDs before splitting them.
9667
9668 2019-01-01  Martin Sebor  <msebor@redhat.com>
9669             Jeff Law  <law@redhat.com>
9670
9671         * gimple-fold.c (get_range_strlen_tree): Record if the computed
9672         length is optimistic.  If it is, then arrange to compute the
9673         conservative length as well.
9674
9675         * gimple-fold.h (get_range_strlen): Update prototype.
9676         * builtins.c (check_access): Update call to get_range_strlen to use
9677         c_strlen_data pointer.   Change various variable accesses to instead
9678         pull data from the c_strlen_data structure.
9679         (check_strncat_sizes, expand_builtin_strncat): Likewise.
9680         * calls.c (maybe_warn_nonstring_arg): Likewise.
9681         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
9682         minimum length if maximum lengh is unknown.
9683         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
9684         that used c_strlen, it's no longer needed.  Restructure slightly.
9685         (format_string): Set unlikely range appropriately.
9686         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
9687         formatting issues.
9688         (get_range_strlen):  Accept c_strlen_data pointer for external
9689         call sites as well.  Pass through to call to internal get_range_strlen.
9690         Adjust minlen, maxlen and maxbound as needed.
9691         (get_maxval_strlen): Update comments.
9692         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
9693         to use c_strlen_data pointer.  Change variable accesses to instead
9694         use c_strlen_data data members.
9695
9696         * gimple-fold.c (get_range_strlen): Update prototype.
9697         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
9698         local variables.  Use pdata to return information to caller.
9699         Update calls to get_range_strlen.  Update pdata->maxbound.
9700         (get_range_strlen -- static version): Similarly.
9701         (get_range_strlen -- extern version): Update for internal
9702         get_range_strlen API change.  Convert to external data format.
9703         (get_maxval_strlen): Similarly.
9704
9705 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
9706
9707         * coverage.c (get_coverage_counts): Use current_function_decl.
9708         * profile.c (read_thunk_profile): New function.
9709         (branch_prob): Add THUNK parameter.
9710         * tree-profile.c (tree_profiling): Handle thunks.
9711         * value-prof.c (init_node_map): Handle thunks.
9712         * value-prof.h (branch_prob): Upate prototype.
9713         (read_thunk_profile): Declare.
9714
9715 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
9716
9717         Update copyright years.
9718
9719         * gcc.c (process_command): Update copyright notice dates.
9720         * gcov-dump.c (print_version): Ditto.
9721         * gcov.c (print_version): Ditto.
9722         * gcov-tool.c (print_version): Ditto.
9723         * gengtype.c (create_file): Ditto.
9724         * doc/cpp.texi: Bump @copying's copyright year.
9725         * doc/cppinternals.texi: Ditto.
9726         * doc/gcc.texi: Ditto.
9727         * doc/gccint.texi: Ditto.
9728         * doc/gcov.texi: Ditto.
9729         * doc/install.texi: Ditto.
9730         * doc/invoke.texi: Ditto.
9731 \f
9732 Copyright (C) 2019 Free Software Foundation, Inc.
9733
9734 Copying and distribution of this file, with or without modification,
9735 are permitted in any medium without royalty provided the copyright
9736 notice and this notice are preserved.