gcc/ChangeLog

   1 2020-02-27  Andrew Stubbs  <ams@codesourcery.com>
   2
   3         * config/gcn/gcn.md (mov<mode>): Add transformations for BI subregs.
   4
   5 2020-02-27  Mark Williams  <mwilliams@fb.com>
   6
   7         * dwarf2out.c (file_name_acquire): Call remap_debug_filename.
   8         * lto-opts.c (lto_write_options): Drop -fdebug-prefix-map,
   9         -ffile-prefix-map and -fmacro-prefix-map.
  10         * lto-streamer-out.c: Include file-prefix-map.h.
  11         (lto_output_location): Remap the file part of locations.
  12
  13 2020-02-27  Jakub Jelinek  <jakub@redhat.com>
  14
  15         PR c/93949
  16         * gimplify.c (gimplify_init_constructor): Don't promote readonly
  17         DECL_REGISTER variables to TREE_STATIC.
  18
  19         PR tree-optimization/93582
  20         PR tree-optimization/93945
  21         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle memset with
  22         non-zero INTEGER_CST second argument and ref->offset or ref->size
  23         not a multiple of BITS_PER_UNIT.
  24
  25 2020-02-27  Jonathan Wakely  <jwakely@redhat.com>
  26
  27         * doc/install.texi (Binaries): Update description of BullFreeware.
  28
  29 2020-02-26  Sandra Loosemore  <sandra@codesourcery.com>
  30
  31         PR c++/90467
  32
  33         * doc/invoke.texi (Option Summary): Re-alphabetize warnings in
  34         C++ Language Options, Warning Options, and Static Analyzer
  35         Options lists.  Document negative form of options enabled by
  36         default.  Move some things around to more accurately sort
  37         warnings by category.
  38         (C++ Dialect Options, Warning Options, Static Analyzer
  39         Options): Document negative form of options when enabled by
  40         default.  Move some things around to more accurately sort
  41         warnings by category.  Add some missing index entries.
  42         Light copy-editing.
  43
  44 2020-02-26  Carl Love  <cel@us.ibm.com>
  45
  46         PR target/91276
  47         * doc/extend.texi (PowerPC AltiVec Built-in Functions available on
  48         ISA 2.07): The builtin-function name __builtin_crypto_vpmsumb is only
  49         for the vector unsigned short arguments.  It is also listed as the
  50         name of the built-in for arguments vector unsigned short,
  51         vector unsigned int and vector unsigned long long built-ins.  The
  52         name of the builtins for these arguments should be:
  53         __builtin_crypto_vpmsumh, __builtin_crypto_vpmsumw and
  54         __builtin_crypto_vpmsumd respectively.
  55
  56 2020-02-26  Richard Biener  <rguenther@suse.de>
  57
  58         * tree-vect-slp.c (vect_print_slp_tree): Also dump ref count
  59         and load permutation.
  60
  61 2020-02-26  Richard Sandiford  <richard.sandiford@arm.com>
  62
  63         PR middle-end/93843
  64         * optabs-tree.c (supportable_convert_operation): Reject types with
  65         scalar modes.
  66
  67 2020-02-26  David Malcolm  <dmalcolm@redhat.com>
  68
  69         * Makefile.in (ANALYZER_OBJS): Add analyzer/bar-chart.o.
  70
  71 2020-02-26  Jakub Jelinek  <jakub@redhat.com>
  72
  73         PR tree-optimization/93820
  74         * gimple-ssa-store-merging.c (check_no_overlap): Change RHS_CODE
  75         argument to ALL_INTEGER_CST_P boolean.
  76         (imm_store_chain_info::try_coalesce_bswap): Adjust caller.
  77         (imm_store_chain_info::coalesce_immediate_stores): Likewise.  Handle
  78         adjacent INTEGER_CST store into merged_store->only_constants like
  79         overlapping one.
  80
  81 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
  82
  83         PR other/93912
  84         * config/sh/sh.c (expand_cbranchdi4): Fix comment typo, probablity
  85         -> probability.
  86         * cfghooks.c (verify_flow_info): Likewise.
  87         * predict.c (combine_predictions_for_bb): Likewise.
  88         * bb-reorder.c (connect_better_edge_p): Likewise.  Fix comment typo,
  89         sucessor -> successor.
  90         (find_traces_1_round): Fix comment typo, destinarion -> destination.
  91         * omp-expand.c (expand_oacc_for): Fix comment typo, sucessors ->
  92         successors.
  93         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Fix dump
  94         message typo, sucessors -> successors.
  95
  96 2020-02-25  Martin Sebor  <msebor@redhat.com>
  97
  98         * doc/extend.texi (attribute access): Correct an example.
  99
 100 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
 101
 102         * config/aarch64/aarch64-builtins.c (aarch64_scalar_builtin_types):
 103         Add simd_bf.
 104         (aarch64_init_simd_builtin_scalar_types): Register simd_bf.
 105         (VAR15, VAR16): New.
 106         * config/aarch64/iterators.md (VALLDIF): Enable for V4BF and V8BF.
 107         (VD): Enable for V4BF.
 108         (VDC): Likewise.
 109         (VQ): Enable for V8BF.
 110         (VQ2): Likewise.
 111         (VQ_NO2E): Likewise.
 112         (VDBL, Vdbl): Add V4BF.
 113         (V_INT_EQUIV, v_int_equiv): Add V4BF and V8BF.
 114         * config/aarch64/arm_neon.h (bfloat16x4x2_t): New typedef.
 115         (bfloat16x8x2_t): Likewise.
 116         (bfloat16x4x3_t): Likewise.
 117         (bfloat16x8x3_t): Likewise.
 118         (bfloat16x4x4_t): Likewise.
 119         (bfloat16x8x4_t): Likewise.
 120         (vcombine_bf16): New.
 121         (vld1_bf16, vld1_bf16_x2): New.
 122         (vld1_bf16_x3, vld1_bf16_x4): New.
 123         (vld1q_bf16, vld1q_bf16_x2): New.
 124         (vld1q_bf16_x3, vld1q_bf16_x4): New.
 125         (vld1_lane_bf16): New.
 126         (vld1q_lane_bf16): New.
 127         (vld1_dup_bf16): New.
 128         (vld1q_dup_bf16): New.
 129         (vld2_bf16): New.
 130         (vld2q_bf16): New.
 131         (vld2_dup_bf16): New.
 132         (vld2q_dup_bf16): New.
 133         (vld3_bf16): New.
 134         (vld3q_bf16): New.
 135         (vld3_dup_bf16): New.
 136         (vld3q_dup_bf16): New.
 137         (vld4_bf16): New.
 138         (vld4q_bf16): New.
 139         (vld4_dup_bf16): New.
 140         (vld4q_dup_bf16): New.
 141         (vst1_bf16, vst1_bf16_x2): New.
 142         (vst1_bf16_x3, vst1_bf16_x4): New.
 143         (vst1q_bf16, vst1q_bf16_x2): New.
 144         (vst1q_bf16_x3, vst1q_bf16_x4): New.
 145         (vst1_lane_bf16): New.
 146         (vst1q_lane_bf16): New.
 147         (vst2_bf16): New.
 148         (vst2q_bf16): New.
 149         (vst3_bf16): New.
 150         (vst3q_bf16): New.
 151         (vst4_bf16): New.
 152         (vst4q_bf16): New.
 153
 154 2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>
 155
 156         * config/aarch64/iterators.md (VDQF_F16) Add V4BF and V8BF.
 157         (VALL_F16): Likewise.
 158         (VALLDI_F16): Likewise.
 159         (Vtype): Likewise.
 160         (Vetype): Likewise.
 161         (vswap_width_name): Likewise.
 162         (VSWAP_WIDTH): Likewise.
 163         (Vel): Likewise.
 164         (VEL): Likewise.
 165         (q): Likewise.
 166         * config/aarch64/arm_neon.h (vset_lane_bf16, vsetq_lane_bf16): New.
 167         (vget_lane_bf16, vgetq_lane_bf16): New.
 168         (vcreate_bf16): New.
 169         (vdup_n_bf16, vdupq_n_bf16): New.
 170         (vdup_lane_bf16, vdup_laneq_bf16): New.
 171         (vdupq_lane_bf16, vdupq_laneq_bf16): New.
 172         (vduph_lane_bf16, vduph_laneq_bf16): New.
 173         (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
 174         (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
 175         (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
 176         (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
 177         (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
 178         (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
 179         (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
 180         (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
 181         (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
 182         (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
 183         (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New
 184         (vreinterpret_bf16_f16, vreinterpretq_bf16_f16): New
 185         (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
 186         (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
 187         (vreinterpretq_bf16_p128): New.
 188         (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
 189         (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
 190         (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
 191         (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
 192         (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
 193         (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
 194         (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
 195         (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
 196         (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
 197         (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
 198         (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
 199         (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
 200         (vreinterpret_f64_bf16,vreinterpretq_f64_bf16): New.
 201         (vreinterpret_f16_bf16,vreinterpretq_f16_bf16): New.
 202         (vreinterpretq_p128_bf16): New.
 203
 204 2020-02-25  Dennis Zhang  <dennis.zhang@arm.com>
 205
 206         * config/arm/arm_neon.h (vbfdot_f32, vbfdotq_f32): New
 207         (vbfdot_lane_f32, vbfdotq_laneq_f32): New.
 208         (vbfdot_laneq_f32, vbfdotq_lane_f32): New.
 209         * config/arm/arm_neon_builtins.def (vbfdot): New entry.
 210         (vbfdot_lanev4bf, vbfdot_lanev8bf): Likewise.
 211         * config/arm/iterators.md (VSF2BF): New attribute.
 212         * config/arm/neon.md (neon_vbfdot<VCVTF:mode>): New entry.
 213         (neon_vbfdot_lanev4bf<VCVTF:mode>): Likewise.
 214         (neon_vbfdot_lanev8bf<VCVTF:mode>): Likewise.
 215
 216 2020-02-25  Christophe Lyon  <christophe.lyon@linaro.org>
 217
 218         * config/arm/arm.md (required_for_purecode): New attribute.
 219         (enabled): Handle required_for_purecode.
 220         * config/arm/thumb1.md (thumb1_movsi_insn): Add alternative to
 221         work with -mpure-code.
 222
 223 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR rtl-optimization/93908
 226         * combine.c (find_split_point): For store into ZERO_EXTRACT, and src
 227         with mask.
 228
 229 2019-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 230
 231         * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode.
 232
 233 2020-02-25  Roman Zhuykov  <zhroma@ispras.ru>
 234
 235         * doc/install.texi (--enable-checking): Adjust wording.
 236
 237 2020-02-25  Richard Biener  <rguenther@suse.de>
 238
 239         PR tree-optimization/93868
 240         * tree-vect-slp.c (slp_copy_subtree): New function.
 241         (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
 242         re-arranging stmts in it.
 243
 244 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 245
 246         PR middle-end/93874
 247         * passes.c (pass_manager::dump_passes): Create a cgraph node for the
 248         dummy function and remove it at the end.
 249
 250         PR translation/93864
 251         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
 252         paramter -> parameter.
 253         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
 254         * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.
 255
 256 2020-02-24  Roman Zhuykov  <zhroma@ispras.ru>
 257
 258         * doc/install.texi (--enable-checking): Properly document current
 259         behavior.
 260         (--enable-stage1-checking): Minor clarification about bootstrap.
 261
 262 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
 263
 264         PR analyzer/93032
 265         * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
 266         -fanalyzer-checker=taint is also required.
 267         (-fanalyzer-checker=): Note that providing this option enables the
 268         given checker, and doing so may be required for checkers that are
 269         disabled by default.
 270
 271 2020-02-24  David Malcolm  <dmalcolm@redhat.com>
 272
 273         * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
 274         significant control flow events; add a "3" which shows all
 275         control flow events; the old "3" becomes "4".
 276
 277 2020-02-24  Jakub Jelinek  <jakub@redhat.com>
 278
 279         PR tree-optimization/93582
 280         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
 281         pd.offset and pd.size to be counted in bits rather than bytes, add
 282         support for maxsizei that is not a multiple of BITS_PER_UNIT and
 283         handle bitfield stores and loads.
 284         (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
 285         uncomparable quantities - bytes vs. bits.  Allow push_partial_def
 286         on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
 287         pd.offset/pd.size to be counted in bits rather than bytes.
 288         Formatting fix.  Rename shadowed len variable to buflen.
 289
 290 2020-02-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 291             Kugan Vivekandarajah  <kugan.vivekanandarajah@linaro.org>
 292
 293         PR driver/47785
 294         * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
 295         (driver::main): Call putenv_COLLECT_AS_OPTIONS.
 296         * opts-common.c (parse_options_from_collect_gcc_options): New function.
 297         (prepend_xassembler_to_collect_as_options): Likewise.
 298         * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
 299         (prepend_xassembler_to_collect_as_options): Likewise.
 300         * lto-opts.c (lto_write_options): Stream assembler options
 301         in COLLECT_AS_OPTIONS.
 302         * lto-wrapper.c (xassembler_options_error): New static variable.
 303         (get_options_from_collect_gcc_options): Move parsing options code to
 304         parse_options_from_collect_gcc_options and call it.
 305         (merge_and_complain): Validate -Xassembler options.
 306         (append_compiler_options): Handle OPT_Xassembler.
 307         (run_gcc): Append command line -Xassembler options to
 308         collect_gcc_options.
 309         * doc/invoke.texi: Add documentation about using Xassembler
 310         options with LTO.
 311
 312 2020-02-24  Kito Cheng  <kito.cheng@sifive.com>
 313
 314         * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
 315         for LTGT.
 316         (riscv_rtx_costs): Update cost model for LTGT.
 317
 318 2020-02-23  Vladimir Makarov  <vmakarov@redhat.com>
 319
 320         PR rtl-optimization/93564
 321         * ira-color.c (struct update_cost_queue_elem): New member start.
 322         (queue_update_cost, get_next_update_cost): Add new arg start.
 323         (allocnos_conflict_p): New function.
 324         (update_costs_from_allocno): Add new arg conflict_cost_update_p.
 325         Add checking conflicts with allocnos_conflict_p.
 326         (update_costs_from_prefs, restore_costs_from_copies): Adjust
 327         update_costs_from_allocno calls.
 328         (update_conflict_hard_regno_costs): Add checking conflicts with
 329         allocnos_conflict_p.  Adjust calls of queue_update_cost and
 330         get_next_update_cost.
 331         (assign_hard_reg): Adjust calls of queue_update_cost.  Add
 332         debugging print.
 333         (bucket_allocno_compare_func): Restore previous version.
 334
 335 2020-02-21  John David Anglin  <danglin@gcc.gnu.org>
 336
 337         * gcc/config/pa/pa.c (pa_function_value): Fix check for word and
 338         double-word size when handling aggregate return values.
 339         * gcc/config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
 340         that homogeneous SFmode and DFmode aggregates are passed and returned
 341         in general registers.
 342
 343 2020-02-21  Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR translation/93759
 346         * opts.c (print_filtered_help): Translate help before appending
 347         messages to it rather than after that.
 348
 349 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
 350
 351         PR rtl-optimization/PR92989
 352         * lra-lives.c (process_bb_lives): Restore the original order
 353         of the bb liveness update.  Call make_hard_regno_dead for each
 354         register clobbered at the start of an EH receiver.
 355
 356 2020-02-18  Feng Xue  <fxue@os.amperecomputing.com>
 357
 358         PR ipa/93763
 359         * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
 360         self-recursively generated.
 361
 362 2020-02-21  Iain Sandoe  <iain@sandoe.co.uk>
 363
 364         PR target/93860
 365         * config/darwin-c.c (pop_field_alignment): Adjust quoting of
 366         error string.
 367
 368 2020-02-21  Mihail Ionescu  <mihail.ionescu@arm.com>
 369
 370         * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
 371         Document new target supports option.
 372
 373 2020-02-21  Dennis Zhang  <dennis.zhang@arm.com>
 374
 375         * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
 376         * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
 377         * config/arm/iterators.md (MATMUL): New iterator.
 378         (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
 379         (mmla_sfx): New attribute.
 380         * config/arm/neon.md (neon_<sup>mmlav16qi): New.
 381         * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
 382         (UNSPEC_MATMUL_US): New.
 383
 384 2020-02-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
 385
 386         * config/arm/arm.md: Prevent scalar shifts from being used when big
 387         endian is enabled.
 388
 389 2020-02-21  Jan Hubicka  <hubicka@ucw.cz>
 390             Richard Biener  <rguenther@suse.de>
 391
 392         PR tree-optimization/93586
 393         * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
 394         after mismatched array refs; do not sure type size information to
 395         recover from unmatched referneces with !flag_strict_aliasing_p.
 396
 397 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 398
 399         * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
 400         (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
 401         (scatter_store<mode>): Rename to ...
 402         (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
 403         (scatter<mode>_exec): Delete. Move contents ...
 404         (mask_scatter_store<mode>): ... here, and rename that to ...
 405         (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
 406         Remove mode conversion.
 407         (mask_gather_load<mode>): Rename to ...
 408         (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
 409         Remove mode conversion.
 410         * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.
 411
 412 2020-02-21  Martin Jambor  <mjambor@suse.cz>
 413
 414         PR tree-optimization/93845
 415         * tree-sra.c (verify_sra_access_forest): Only test access size of
 416         scalar types.
 417
 418 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 419
 420         * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
 421         * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
 422         (addv64di3_exec): Likewise.
 423         (subv64di3): Likewise.
 424         (subv64di3_exec): Likewise.
 425         (addv64di3_zext): Likewise.
 426         (addv64di3_zext_exec): Likewise.
 427         (addv64di3_zext_dup): Likewise.
 428         (addv64di3_zext_dup_exec): Likewise.
 429         (addv64di3_zext_dup2): Likewise.
 430         (addv64di3_zext_dup2_exec): Likewise.
 431         (addv64di3_sext_dup2): Likewise.
 432         (addv64di3_sext_dup2_exec): Likewise.
 433         (<expander>v64di3): Likewise.
 434         (<expander>v64di3_exec): Likewise.
 435         (*<reduc_op>_dpp_shr_v64di): Likewise.
 436         (*plus_carry_dpp_shr_v64di): Likewise.
 437         * config/gcn/gcn.md (adddi3): Likewise.
 438         (addptrdi3): Likewise.
 439         (<expander>di3): Likewise.
 440
 441 2020-02-21  Andrew Stubbs  <ams@codesourcery.com>
 442
 443         * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.
 444
 445 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 446
 447         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
 448         support.  Use aarch64_emit_mult instead of emitting multiplication
 449         instructions directly.
 450         * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
 451         (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.
 452
 453 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 454
 455         * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
 456         (aarch64_emit_approx_div): Add SVE support.  Use aarch64_emit_mult
 457         instead of emitting multiplication instructions directly.
 458         * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
 459         * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
 460         (@aarch64_frecps<mode>): New expanders.
 461
 462 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 463
 464         * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
 465         on and produce uint64_ts rather than ints.
 466         (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
 467         (cpu_approx_modes): Change the fields from unsigned int to uint64_t.
 468
 469 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 470
 471         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
 472         an unused xmsk register when handling approximate rsqrt.
 473
 474 2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>
 475
 476         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
 477         flag_finite_math_only condition.
 478
 479 2020-02-20  Uroš Bizjak  <ubizjak@gmail.com>
 480
 481         PR target/93828
 482         * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
 483         to destination operand for shufps alternative.
 484         (*vec_extractv2si_1): Ditto.
 485
 486 2020-02-20  Peter Bergner  <bergner@linux.ibm.com>
 487
 488         PR target/93658
 489         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
 490         vector modes.
 491
 492 2020-02-20  Martin Liska  <mliska@suse.cz>
 493
 494         PR translation/93831
 495         * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.
 496
 497 2020-02-20  Martin Liska  <mliska@suse.cz>
 498
 499         PR translation/93830
 500         * common/config/avr/avr-common.c: Remote trailing "|".
 501
 502 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 503
 504         * collect2.c (maybe_run_lto_and_relink): Fix typo in
 505         comment.
 506
 507 2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>
 508
 509         PR tree-optimization/93767
 510         * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
 511         access-size bias from the offset calculations for negative strides.
 512
 513 2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 514
 515         * collect2.c (c_file, o_file): Make const again.
 516         (ldout,lderrout, dump_ld_file): Remove.
 517         (tool_cleanup): Avoid calling not signal-safe functions.
 518         (maybe_run_lto_and_relink): Avoid possible signal handler
 519         access to unintialzed memory (lto_o_files).
 520         (main): Avoid leaking temp files in $TMPDIR.
 521         Initialize c_file/o_file with concat, which avoids exposing
 522         uninitialized memory to signal handler, which calls unlink(!).
 523         Avoid calling maybe_unlink when the main function returns,
 524         since the atexit handler is already doing this.
 525         * collect2.h (dump_ld_file, ldout, lderrout): Remove.
 526
 527 2020-02-19  Martin Jambor  <mjambor@suse.cz>
 528
 529         PR tree-optimization/93776
 530         * tree-sra.c (create_access): Do not create zero size accesses.
 531         (get_access_for_expr): Do not search for zero sized accesses.
 532
 533 2020-02-19  Martin Jambor  <mjambor@suse.cz>
 534
 535         PR tree-optimization/93667
 536         * tree-sra.c (scalarizable_type_p): Return false if record fields
 537         do not follow wach other.
 538
 539 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
 540
 541         * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
 542         rather than fmv.x.s/fmv.s.x.
 543
 544 2020-02-18  James Greenhalgh  <james.greenhalgh@arm.com>
 545
 546         * config/aarch64/aarch64-simd-builtins.def
 547         (intrinsic_vec_smult_lo_): New.
 548         (intrinsic_vec_umult_lo_): Likewise.
 549         (vec_widen_smult_hi_): Likewise.
 550         (vec_widen_umult_hi_): Likewise.
 551         * config/aarch64/aarch64-simd.md
 552         (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
 553         * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
 554         (vmull_high_s16): Likewise.
 555         (vmull_high_s32): Likewise.
 556         (vmull_high_u8): Likewise.
 557         (vmull_high_u16): Likewise.
 558         (vmull_high_u32): Likewise.
 559         (vmull_s8): Likewise.
 560         (vmull_s16): Likewise.
 561         (vmull_s32): Likewise.
 562         (vmull_u8): Likewise.
 563         (vmull_u16): Likewise.
 564         (vmull_u32): Likewise.
 565
 566 2020-02-18  Martin Liska  <mliska@suse.cz>
 567
 568         * value-prof.c (stream_out_histogram_value): Restore LTO PGO
 569         bootstrap by missing removal of invalid sanity check.
 570
 571 2020-02-18  Martin Liska  <mliska@suse.cz>
 572
 573         PR ipa/92518
 574         * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
 575         Always compare LHS of gimple_assign.
 576
 577 2020-02-18  Martin Liska  <mliska@suse.cz>
 578
 579         PR ipa/93583
 580         * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
 581         and return type of functions.
 582         * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
 583         Drop MALLOC attribute for void functions.
 584         * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
 585         malloc_state for a new VOID clone.
 586
 587 2020-02-18  Martin Liska  <mliska@suse.cz>
 588
 589         PR ipa/92924
 590         * common.opt: Add -fprofile-reproducibility.
 591         * doc/invoke.texi: Document it.
 592         * value-prof.c (dump_histogram_value):
 593         Document and support behavior for counters[0]
 594         being a negative value.
 595         (get_nth_most_common_value): Handle negative
 596         counters[0] in respect to flag_profile_reproducible.
 597
 598 2020-02-18  Jakub Jelinek  <jakub@redhat.com>
 599
 600         PR ipa/93797
 601         * cgraph.c (verify_speculative_call): Use speculative_id instead of
 602         speculative_uid in messages.  Remove trailing whitespace from error
 603         message.  Use num_speculative_call_targets instead of
 604         num_speculative_targets in a message.
 605         (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
 606         edge messages and stmt instead of cal_stmt in reference message.
 607
 608         PR tree-optimization/93780
 609         * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
 610         before calling build_vector_type.
 611         (execute_update_addresses_taken): Likewise.
 612
 613         PR driver/93796
 614         * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
 615         typo, functoin -> function.
 616         * tree.c (free_lang_data_in_decl): Fix comment typo,
 617         functoin -> function.
 618         * ipa-visibility.c (cgraph_externally_visible_p): Likewise.
 619
 620 2020-02-17  David Malcolm  <dmalcolm@redhat.com>
 621
 622         * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
 623         won't be printed.
 624         (print_option_information): Don't call get_option_url if URLs
 625         won't be printed.
 626
 627 2020-02-17  Alexandre Oliva  <oliva@adacore.com>
 628
 629         * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
 630         handling of register_common-less targets.
 631
 632 2020-02-17  Martin Liska  <mliska@suse.cz>
 633
 634         PR ipa/93760
 635         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.
 636
 637 2020-02-17  Martin Liska  <mliska@suse.cz>
 638
 639         PR translation/93755
 640         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 641         Fix double quotes.
 642
 643 2020-02-17  Martin Liska  <mliska@suse.cz>
 644
 645         PR other/93756
 646         * config/rx/elf.opt: Fix typo.
 647
 648 2020-02-17  Richard Biener  <rguenther@suse.de>
 649
 650         PR c/86134
 651         * opts-global.c (print_ignored_options): Use inform and
 652         amend message.
 653
 654 2020-02-17  Jiufu Guo  <guojiufu@linux.ibm.com>
 655
 656         PR target/93047
 657         * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.
 658
 659 2020-02-16  Uroš Bizjak  <ubizjak@gmail.com>
 660
 661         PR target/93743
 662         * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
 663         (atan2<mode>3): Update operand order in the call to gen_atan2xf3.
 664
 665 2020-02-15  Jason Merrill  <jason@redhat.com>
 666
 667         * doc/invoke.texi (C Dialect Options): Add -std=c++20.
 668
 669 2020-02-15  Jakub Jelinek  <jakub@redhat.com>
 670
 671         PR tree-optimization/93744
 672         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
 673         A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
 674         A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
 675         sure @2 in the first and @1 in the other patterns has no side-effects.
 676
 677 2020-02-15  David Malcolm  <dmalcolm@redhat.com>
 678             Bernd Edlinger  <bernd.edlinger@hotmail.de>
 679
 680         PR 87488
 681         PR other/93168
 682         * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
 683         * configure.ac (--with-diagnostics-urls): New configuration
 684         option, based on --with-diagnostics-color.
 685         (DIAGNOSTICS_URLS_DEFAULT): New define.
 686         * config.h: Regenerate.
 687         * configure: Regenerate.
 688         * diagnostic.c (diagnostic_urls_init): Handle -1 for
 689         DIAGNOSTICS_URLS_DEFAULT from configure-time
 690         --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
 691         and TERM_URLS environment variable.
 692         * diagnostic-url.h (diagnostic_url_format): New enum type.
 693         (diagnostic_urls_enabled_p): rename to...
 694         (determine_url_format): ... this, and change return type.
 695         * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
 696         (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
 697         the linux console, and mingw.
 698         (diagnostic_urls_enabled_p): rename to...
 699         (determine_url_format): ... this, and adjust.
 700         * pretty-print.h (pretty_printer::show_urls): rename to...
 701         (pretty_printer::url_format): ... this, and change to enum.
 702         * pretty-print.c (pretty_printer::pretty_printer,
 703         pp_begin_url, pp_end_url, test_urls): Adjust.
 704         * doc/install.texi (--with-diagnostics-urls): Document the new
 705         configuration option.
 706         (--with-diagnostics-color): Document the existing interaction
 707         with GCC_COLORS better.
 708         * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
 709         vindex reference.  Update description of defaults based on the above.
 710         (-fdiagnostics-color): Update description of how -fdiagnostics-color
 711         interacts with GCC_COLORS.
 712
 713 2020-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 714
 715         PR target/93704
 716         * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in
 717         conjunction with TARGET_GNU_TLS in early return.
 718
 719 2020-02-14  Alexander Monakov  <amonakov@ispras.ru>
 720
 721         * rtlanal.c (rtx_cost): Handle a SET up front. Avoid division if
 722         the mode is not wider than UNITS_PER_WORD.
 723
 724 2020-02-14  Martin Jambor  <mjambor@suse.cz>
 725
 726         PR tree-optimization/93516
 727         * tree-sra.c (propagate_subaccesses_from_rhs): Do not create
 728         access of the same type as the parent.
 729         (propagate_subaccesses_from_lhs): Likewise.
 730
 731 2020-02-14 Hongtao Liu  <hongtao.liu@intel.com>
 732
 733         PR target/93724
 734         * config/i386/avx512vbmi2intrin.h
 735         (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16,
 736         _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32,
 737         _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32,
 738         _m512_shrdi_epi64, _m512_mask_shrdi_epi64,
 739         _m512_maskz_shrdi_epi64, _mm512_shldi_epi16,
 740         _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16,
 741         _mm512_shldi_epi32, _mm512_mask_shldi_epi32,
 742         _mm512_maskz_shldi_epi32, _mm512_shldi_epi64,
 743         _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo
 744         of lacking a closing parenthesis.
 745         * config/i386/avx512vbmi2vlintrin.h
 746         (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16,
 747         _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32,
 748         _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32,
 749         _m256_shrdi_epi64, _m256_mask_shrdi_epi64,
 750         _m256_maskz_shrdi_epi64, _mm256_shldi_epi16,
 751         _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16,
 752         _mm256_shldi_epi32, _mm256_mask_shldi_epi32,
 753         _mm256_maskz_shldi_epi32, _mm256_shldi_epi64,
 754         _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64,
 755         _mm_shrdi_epi16, _mm_mask_shrdi_epi16,
 756         _mm_maskz_shrdi_epi16, _mm_shrdi_epi32,
 757         _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32,
 758         _mm_shrdi_epi64, _mm_mask_shrdi_epi64,
 759         _m_maskz_shrdi_epi64, _mm_shldi_epi16,
 760         _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16,
 761         _mm_shldi_epi32, _mm_mask_shldi_epi32,
 762         _mm_maskz_shldi_epi32, _mm_shldi_epi64,
 763         _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto.
 764
 765 2020-02-13  H.J. Lu  <hongjiu.lu@intel.com>
 766
 767         PR target/93656
 768         * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at
 769         the target function entry.
 770
 771 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
 772
 773         * common/config/arc/arc-common.c (arc_option_optimization_table):
 774         Disable if-conversion step when optimized for size.
 775
 776 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
 777
 778         * config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
 779         R12-R15 are always in ARCOMPACT16_REGS register class.
 780         * config/arc/arc.opt (mq-class): Deprecate.
 781         * config/arc/constraint.md ("q"): Remove dependency on mq-class
 782         option.
 783         * doc/invoke.texi (mq-class): Update text.
 784         * common/config/arc/arc-common.c (arc_option_optimization_table):
 785         Update list.
 786
 787 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
 788
 789         * config/arc/arc.c (arc_insn_cost): New function.
 790         (TARGET_INSN_COST): Define.
 791         * config/arc/arc.md (cost): New attribute.
 792         (add_n): Use arc_nonmemory_operand.
 793         (ashlsi3_insn): Likewise, also update constraints.
 794         (ashrsi3_insn): Likewise.
 795         (rotrsi3): Likewise.
 796         (add_shift): Likewise.
 797         * config/arc/predicates.md (arc_nonmemory_operand): New predicate.
 798
 799 2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>
 800
 801         * config/arc/arc.md (mulsidi_600): Correctly select mlo/mhi
 802         registers.
 803         (umulsidi_600): Likewise.
 804
 805 2020-02-13  Jakub Jelinek  <jakub@redhat.com>
 806
 807         PR target/93696
 808         * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8,
 809         _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8,
 810         _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8,
 811         _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W,
 812         pass __A to the builtin followed by __W instead of __A followed by
 813         __B.
 814         * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32,
 815         _mm512_mask_popcnt_epi64): Likewise.
 816         * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32,
 817         _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64,
 818         _mm256_mask_popcnt_epi64): Likewise.
 819
 820         PR tree-optimization/93582
 821         * fold-const.h (shift_bytes_in_array_left,
 822         shift_bytes_in_array_right): Declare.
 823         * fold-const.c (shift_bytes_in_array_left,
 824         shift_bytes_in_array_right): New function, moved from
 825         gimple-ssa-store-merging.c, no longer static.
 826         * gimple-ssa-store-merging.c (shift_bytes_in_array): Move
 827         to gimple-ssa-store-merging.c and rename to shift_bytes_in_array_left.
 828         (shift_bytes_in_array_right): Move to gimple-ssa-store-merging.c.
 829         (encode_tree_to_bitpos): Use shift_bytes_in_array_left instead of
 830         shift_bytes_in_array.
 831         (verify_shift_bytes_in_array): Rename to ...
 832         (verify_shift_bytes_in_array_left): ... this.  Use
 833         shift_bytes_in_array_left instead of shift_bytes_in_array.
 834         (store_merging_c_tests): Call verify_shift_bytes_in_array_left
 835         instead of verify_shift_bytes_in_array.
 836         * tree-ssa-sccvn.c (vn_reference_lookup_3): For native_encode_expr
 837         / native_interpret_expr where the store covers all needed bits,
 838         punt on PDP-endian, otherwise allow all involved offsets and sizes
 839         not to be byte-aligned.
 840
 841         PR target/93673
 842         * config/i386/sse.md (k<code><mode>): Drop mode from last operand and
 843         use const_0_to_255_operand predicate instead of immediate_operand.
 844         (avx512dq_fpclass<mode><mask_scalar_merge_name>,
 845         avx512dq_vmfpclass<mode><mask_scalar_merge_name>,
 846         vgf2p8affineinvqb_<mode><mask_name>,
 847         vgf2p8affineqb_<mode><mask_name>): Drop mode from
 848         const_0_to_255_operand predicated operands.
 849
 850 2020-02-12  Jeff Law  <law@redhat.com>
 851
 852         * config/h8300/h8300.md (comparison shortening peepholes): Use
 853         a mode iterator to merge the HImode and SImode peepholes.
 854
 855 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
 856
 857         PR middle-end/93663
 858         * real.c (is_even): Make static.  Function comment fix.
 859         (is_halfway_below): Make static, don't assert R is not inf/nan,
 860         instead return false for those.  Small formatting fixes.
 861
 862 2020-02-12  Martin Sebor  <msebor@redhat.com>
 863
 864         PR middle-end/93646
 865         * tree-ssa-strlen.c (handle_builtin_stxncpy): Rename...
 866         (handle_builtin_stxncpy_strncat): ...to this.  Change first argument.
 867         Issue only -Wstringop-overflow strncat, never -Wstringop-truncation.
 868         (strlen_check_and_optimize_call): Adjust callee name.
 869
 870 2020-02-12  Jeff Law  <law@redhat.com>
 871
 872         * config/h8300/h8300.md (comparison shortening peepholes): Drop
 873         (and (xor)) variant.  Combine other two into single peephole.
 874
 875 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
 876
 877         PR rtl-optimization/93565
 878         * config/aarch64/aarch64.c (aarch64_rtx_costs): Add CTZ costs.
 879
 880 2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>
 881
 882         * config/aarch64/aarch64-simd.md
 883         (aarch64_zero_extend<GPI:mode>_reduc_plus_<VDQV_E:mode>): New pattern.
 884         * config/aarch64/aarch64.md (popcount<mode>2): Use it instead of
 885         generating separate ADDV and zero_extend patterns.
 886         * config/aarch64/iterators.md (VDQV_E): New iterator.
 887
 888 2020-02-12  Jeff Law  <law@redhat.com>
 889
 890         * config/h8300/h8300.md (cpymemsi, movmd): Remove dead patterns,
 891         expanders, splits, etc.
 892         (movmd_internal_<mode>, movmd splitter, movstr, movsd): Likewise.
 893         (stpcpy_internal_<mode>, stpcpy splitter): Likewise.
 894         (peepholes to convert QI/HI mode pushes to SI mode pushes): Likewise.
 895         * config/h8300/h8300.c (h8300_swap_into_er6): Remove unused function.
 896         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise
 897         * config/h8300/h8300-protos.h (h8300_swap_into_er6): Remove unused
 898         function prototype.
 899         (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise.
 900
 901 2020-02-12  Jakub Jelinek  <jakub@redhat.com>
 902
 903         PR target/93670
 904         * config/i386/sse.md (VI48F_256_DQ): New mode iterator.
 905         (avx512vl_vextractf128<mode>): Use it instead of VI48F_256.  Remove
 906         TARGET_AVX512DQ from condition.
 907         (vec_extract_lo_<mode><mask_name>): Use <mask_avx512dq_condition>
 908         instead of <mask_mode512bit_condition> in condition.  If
 909         TARGET_AVX512DQ is false, emit vextract*64x4 instead of
 910         vextract*32x8.
 911         (vec_extract_lo_<mode><mask_name>): Drop <mask_avx512dq_condition>
 912         from condition.
 913
 914 2020-02-12  Kewen Lin  <linkw@gcc.gnu.org>
 915
 916         PR target/91052
 917         * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.
 918
 919 2020-02-12  Segher Boessenkool  <segher@kernel.crashing.org>
 920
 921         * config/rs6000/rs6000.c (rs6000_debug_print_mode): Don't use sizeof
 922         where strlen is more legible.
 923         (rs6000_builtin_vectorized_libmass): Ditto.
 924         (rs6000_print_options_internal): Ditto.
 925
 926 2020-02-11  Martin Sebor  <msebor@redhat.com>
 927
 928         PR tree-optimization/93683
 929         * tree-ssa-alias.c (stmt_kills_ref_p): Avoid using LHS when not set.
 930
 931 2020-02-11  Michael Meissner  <meissner@linux.ibm.com>
 932
 933         * config/rs6000/predicates.md (cint34_operand): Rename the
 934         -mprefixed-addr option to be -mprefixed.
 935         * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Rename
 936         the -mprefixed-addr option to be -mprefixed.
 937         (OTHER_FUTURE_MASKS): Likewise.
 938         (POWERPC_MASKS): Likewise.
 939         * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
 940         the -mprefixed-addr option to be -mprefixed.  Change error
 941         messages to refer to -mprefixed.
 942         (num_insns_constant_gpr): Rename the -mprefixed-addr option to be
 943         -mprefixed.
 944         (rs6000_legitimate_offset_address_p): Likewise.
 945         (rs6000_mode_dependent_address): Likewise.
 946         (rs6000_opt_masks): Change the spelling of "-mprefixed-addr" to be
 947         "-mprefixed" for target attributes and pragmas.
 948         (address_to_insn_form): Rename the -mprefixed-addr option to be
 949         -mprefixed.
 950         (rs6000_adjust_insn_length): Likewise.
 951         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Rename the
 952         -mprefixed-addr option to be -mprefixed.
 953         (ASM_OUTPUT_OPCODE): Likewise.
 954         * config/rs6000/rs6000.md (prefixed insn attribute): Rename the
 955         -mprefixed-addr option to be -mprefixed.
 956         * config/rs6000/rs6000.opt (-mprefixed): Rename the
 957         -mprefixed-addr option to be prefixed.  Change the option from
 958         being undocumented to being documented.
 959         * doc/invoke.texi (RS/6000 and PowerPC Options): Document the
 960         -mprefixed option.  Update the -mpcrel documentation to mention
 961         -mprefixed.
 962
 963 2020-02-11  Hans-Peter Nilsson  <hp@axis.com>
 964
 965         * ira-conflicts.c (print_hard_reg_set): Correct output for sets
 966         including FIRST_PSEUDO_REGISTER - 1.
 967         * ira-color.c (print_hard_reg_set): Ditto.
 968
 969 2020-02-11  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
 970
 971         * config/arm/arm-builtins.c (enum arm_type_qualifiers):
 972         (USTERNOP_QUALIFIERS): New define.
 973         (USMAC_LANE_QUADTUP_QUALIFIERS): New define.
 974         (SUMAC_LANE_QUADTUP_QUALIFIERS): New define.
 975         (arm_expand_builtin_args): Add case ARG_BUILTIN_LANE_QUADTUP_INDEX.
 976         (arm_expand_builtin_1): Add qualifier_lane_quadtup_index.
 977         * config/arm/arm_neon.h (vusdot_s32): New.
 978         (vusdot_lane_s32): New.
 979         (vusdotq_lane_s32): New.
 980         (vsudot_lane_s32): New.
 981         (vsudotq_lane_s32): New.
 982         * config/arm/arm_neon_builtins.def (usdot, usdot_lane,sudot_lane): New.
 983         * config/arm/iterators.md (DOTPROD_I8MM): New.
 984         (sup, opsuffix): Add <us/su>.
 985         * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New.
 986         * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New.
 987
 988 2020-02-11  Richard Biener  <rguenther@suse.de>
 989
 990         PR tree-optimization/93661
 991         PR tree-optimization/93662
 992         * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly guard
 993         tree_to_poly_int64.
 994         * tree-sra.c (get_access_for_expr): Likewise.
 995
 996 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
 997
 998         PR target/93637
 999         * config/i386/sse.md (VI_256_AVX2): New mode iterator.
1000         (vcond_mask_<mode><sseintvecmodelower>): Use it instead of VI_256.
1001         Change condition from TARGET_AVX2 to TARGET_AVX.
1002
1003 2020-02-10  Iain Sandoe  <iain@sandoe.co.uk>
1004
1005         PR other/93641
1006         * config/darwin-c.c (darwin_cfstring_ref_p): Fix up last
1007         argument of strncmp.
1008
1009 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1010
1011         Try to generate zero-based comparisons.
1012         * config/cris/cris.c (cris_reduce_compare): New function.
1013         * config/cris/cris-protos.h  (cris_reduce_compare): Add prototype.
1014         * config/cris/cris.md ("cbranch<mode>4", "cbranchdi4", "cstoredi4")
1015         (cstore<mode>4"): Apply cris_reduce_compare in expanders.
1016
1017 2020-02-10  Richard Earnshaw  <rearnsha@arm.com>
1018
1019         PR target/91913
1020         * config/arm/arm.md (movsi_compare0): Allow SP as a source register
1021         in Thumb state and also as a destination in Arm state.  Add T16
1022         variants.
1023
1024 2020-02-10  Hans-Peter Nilsson  <hp@axis.com>
1025
1026         * md.texi (Define Subst): Match closing paren in example.
1027
1028 2020-02-10  Jakub Jelinek  <jakub@redhat.com>
1029
1030         PR target/58218
1031         PR other/93641
1032         * config/i386/i386.c (x86_64_elf_section_type_flags): Fix up last
1033         arguments of strncmp.
1034
1035 2020-02-10  Feng Xue  <fxue@os.amperecomputing.com>
1036
1037         PR ipa/93203
1038         * ipa-cp.c (ipcp_lattice::add_value): Add source with same call edge
1039         but different source value.
1040         (adjust_callers_for_value_intersection): New function.
1041         (gather_edges_for_value): Adjust order of callers to let a
1042         non-self-recursive caller be the first element.
1043         (self_recursive_pass_through_p): Add a new parameter "simple", and
1044         check generalized self-recursive pass-through jump function.
1045         (self_recursive_agg_pass_through_p): Likewise.
1046         (find_more_scalar_values_for_callers_subset): Compute value from
1047         pass-through jump function for self-recursive.
1048         (intersect_with_plats): Cleanup previous implementation code for value
1049         itersection with self-recursive call edge.
1050         (intersect_with_agg_replacements): Likewise.
1051         (intersect_aggregates_with_edge): Deduce value from pass-through jump
1052         function for self-recursive call edge.  Cleanup previous implementation
1053         code for value intersection with self-recursive call edge.
1054         (decide_whether_version_node): Remove dead callers and adjust order
1055         to let a non-self-recursive caller be the first element.
1056
1057 2020-02-09  Uroš Bizjak  <ubizjak@gmail.com>
1058
1059         * recog.c: Move pass_split_before_sched2 code in front of
1060         pass_split_before_regstack.
1061         (pass_data_split_before_sched2): Rename pass to split3 from split4.
1062         (pass_data_split_before_regstack): Rename pass to split4 from split3.
1063         (rest_of_handle_split_before_sched2): Remove.
1064         (pass_split_before_sched2::execute): Unconditionally call
1065         split_all_insns.
1066         (enable_split_before_sched2): New function.
1067         (pass_split_before_sched2::gate): Use enable_split_before_sched2.
1068         (pass_split_before_regstack::gate): Ditto.
1069         * config/nds32/nds32.c (nds32_split_double_word_load_store_p):
1070         Update name check for renamed split4 pass.
1071         * config/sh/sh.c (register_sh_passes): Update pass insertion
1072         point for renamed split4 pass.
1073
1074 2020-02-09  Jakub Jelinek  <jakub@redhat.com>
1075
1076         * gimplify.c (gimplify_adjust_omp_clauses_1): Promote
1077         DECL_IN_CONSTANT_POOL variables into "omp declare target" to avoid
1078         copying them around between host and target.
1079
1080 2020-02-08  Andrew Pinski  <apinski@marvell.com>
1081
1082         PR target/91927
1083         * config/aarch64/aarch64-simd.md (movmisalign<mode>): Check
1084         STRICT_ALIGNMENT also.
1085
1086 2020-02-08  Jim Wilson  <jimw@sifive.com>
1087
1088         PR target/93532
1089         * config/riscv/riscv.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
1090
1091 2020-02-08  Uroš Bizjak  <ubizjak@gmail.com>
1092             Jakub Jelinek  <jakub@redhat.com>
1093
1094         PR target/65782
1095         * config/i386/i386.h (CALL_USED_REGISTERS): Make
1096         xmm16-xmm31 call-used even in 64-bit ms-abi.
1097
1098 2020-02-07  Dennis Zhang  <dennis.zhang@arm.com>
1099
1100         * config/aarch64/aarch64-simd-builtins.def (simd_smmla): New entry.
1101         (simd_ummla, simd_usmmla): Likewise.
1102         * config/aarch64/aarch64-simd.md (aarch64_simd_<sur>mmlav16qi): New.
1103         * config/aarch64/arm_neon.h (vmmlaq_s32, vmmlaq_u32): New.
1104         (vusmmlaq_s32): New.
1105
1106 2020-02-07  Richard Biener  <rguenther@suse.de>
1107
1108         PR middle-end/93519
1109         * tree-inline.c (fold_marked_statements): Do a PRE walk,
1110         skipping unreachable regions.
1111         (optimize_inline_calls): Skip folding stmts when we didn't
1112         inline.
1113
1114 2020-02-07  H.J. Lu  <hongjiu.lu@intel.com>
1115
1116         PR target/85667
1117         * config/i386/i386.c (function_arg_ms_64): Add a type argument.
1118         Don't return aggregates with only SFmode and DFmode in SSE
1119         register.
1120         (ix86_function_arg): Pass arg.type to function_arg_ms_64.
1121
1122 2020-02-07  Jakub Jelinek  <jakub@redhat.com>
1123
1124         PR target/93122
1125         * config/rs6000/rs6000-logue.c
1126         (rs6000_emit_probe_stack_range_stack_clash): Always use gen_add3_insn,
1127         if it fails, move rs into end_addr and retry.  Add
1128         REG_FRAME_RELATED_EXPR note whenever it returns more than one insn or
1129         the insn pattern doesn't describe well what exactly happens to
1130         dwarf2cfi.c.
1131
1132         PR target/93594
1133         * config/i386/predicates.md (avx_identity_operand): Remove.
1134         * config/i386/sse.md (*avx_vec_concat<mode>_1): Remove.
1135         (avx_<castmode><avxsizesuffix>_<castmode>,
1136         avx512f_<castmode><avxsizesuffix>_256<castmode>): Change patterns to
1137         a VEC_CONCAT of the operand and UNSPEC_CAST.
1138         (avx512f_<castmode><avxsizesuffix>_<castmode>): Change pattern to
1139         a VEC_CONCAT of VEC_CONCAT of the operand and UNSPEC_CAST with
1140         UNSPEC_CAST.
1141
1142         PR target/93611
1143         * config/i386/i386.c (ix86_lea_outperforms): Make sure to clear
1144         recog_data.insn if distance_non_agu_define changed it.
1145
1146 2020-02-06  Michael Meissner  <meissner@linux.ibm.com>
1147
1148         PR target/93569
1149         * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0
1150         we only had X-FORM (reg+reg) addressing for vectors.  Also before
1151         ISA 3.0, we only had X-FORM addressing for scalars in the
1152         traditional Altivec registers.
1153
1154 2020-02-06  <zhongyunde@huawei.com>
1155             Vladimir Makarov  <vmakarov@redhat.com>
1156
1157         PR rtl-optimization/93561
1158         * lra-assigns.c (spill_for): Check that tested hard regno is not out of
1159         hard register range.
1160
1161 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1162
1163         * config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
1164         attribute.
1165
1166 2020-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
1167
1168         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Handle the case
1169         where the low and the high 32 bits are equal to each other specially,
1170         with an rldimi instruction.
1171
1172 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1173
1174         * config/arm/arm-cpus.in: Set profile M for armv8.1-m.main.
1175
1176 2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>
1177
1178         * config/arm/arm-tables.opt: Regenerate.
1179
1180 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1181
1182         PR target/87763
1183         * config/aarch64/aarch64-protos.h (aarch64_movk_shift): Declare.
1184         * config/aarch64/aarch64.c (aarch64_movk_shift): New function.
1185         * config/aarch64/aarch64.md (aarch64_movk<mode>): New pattern.
1186
1187 2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>
1188
1189         PR rtl-optimization/87763
1190         * config/aarch64/aarch64.md (*ashiftsi_extvdi_bfiz): New pattern.
1191
1192 2020-02-06  Delia Burduv  <delia.burduv@arm.com>
1193
1194         * config/aarch64/aarch64-simd-builtins.def
1195         (bfmlaq): New built-in function.
1196         (bfmlalb): New built-in function.
1197         (bfmlalt): New built-in function.
1198         (bfmlalb_lane): New built-in function.
1199         (bfmlalt_lane): New built-in function.
1200         * config/aarch64/aarch64-simd.md
1201         (aarch64_bfmmlaqv4sf): New pattern.
1202         (aarch64_bfmlal<bt>v4sf): New pattern.
1203         (aarch64_bfmlal<bt>_lane<q>v4sf): New pattern.
1204         * config/aarch64/arm_neon.h (vbfmmlaq_f32): New intrinsic.
1205         (vbfmlalbq_f32): New intrinsic.
1206         (vbfmlaltq_f32): New intrinsic.
1207         (vbfmlalbq_lane_f32): New intrinsic.
1208         (vbfmlaltq_lane_f32): New intrinsic.
1209         (vbfmlalbq_laneq_f32): New intrinsic.
1210         (vbfmlaltq_laneq_f32): New intrinsic.
1211         * config/aarch64/iterators.md (BF_MLA): New int iterator.
1212         (bt): New int attribute.
1213
1214 2020-02-06  Uroš Bizjak  <ubizjak@gmail.com>
1215
1216         * config/i386/i386.md (*pushtf): Emit "#" instead of
1217         calling gcc_unreachable in insn output.
1218         (*pushxf): Ditto.
1219         (*pushdf): Ditto.
1220         (*pushsf_rex64): Ditto for alternatives other than 1.
1221         (*pushsf): Ditto for alternatives other than 1.
1222
1223 2020-02-06  Martin Liska  <mliska@suse.cz>
1224
1225         PR gcov-profile/91971
1226         PR gcov-profile/93466
1227         * coverage.c (coverage_init): Revert mangling of
1228         path into filename.  It can lead to huge filename length.
1229         Creation of subfolders seem more natural.
1230
1231 2020-02-06  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1232
1233         PR target/93300
1234         * config/arm/arm.c (arm_block_arith_comp_libfuncs_for_mode): New.
1235         (arm_init_libfuncs): Add BFmode support to block spurious BF libfuncs.
1236         Use arm_block_arith_comp_libfuncs_for_mode for HFmode.
1237
1238 2020-02-06  Jakub Jelinek  <jakub@redhat.com>
1239
1240         PR target/93594
1241         * config/i386/predicates.md (avx_identity_operand): New predicate.
1242         * config/i386/sse.md (*avx_vec_concat<mode>_1): New
1243         define_insn_and_split.
1244
1245         PR libgomp/93515
1246         * omp-low.c (use_pointer_for_field): For nested constructs, also
1247         look for map clauses on target construct.
1248         (scan_omp_1_stmt) <case GIMPLE_OMP_TARGET>: Bump temporarily
1249         taskreg_nesting_level.
1250
1251         PR libgomp/93515
1252         * gimplify.c (gimplify_scan_omp_clauses) <do_notice>: If adding
1253         shared clause, call omp_notice_variable on outer context if any.
1254
1255 2020-02-05  Jason Merrill  <jason@redhat.com>
1256
1257         PR c++/92003
1258         * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has
1259         non-zero address even if weak and not yet defined.
1260
1261 2020-02-05  Martin Sebor  <msebor@redhat.com>
1262
1263         PR tree-optimization/92765
1264         * gimple-fold.c (get_range_strlen_tree): Handle MEM_REF and PARM_DECL.
1265         * tree-ssa-strlen.c (compute_string_length): Remove.
1266         (determine_min_objsize): Remove.
1267         (get_len_or_size): Add an argument.  Call get_range_strlen_dynamic.
1268         Avoid using type size as the upper bound on string length.
1269         (handle_builtin_string_cmp): Add an argument.  Adjust.
1270         (strlen_check_and_optimize_call): Pass additional argument to
1271         handle_builtin_string_cmp.
1272
1273 2020-02-05  Uroš Bizjak  <ubizjak@gmail.com>
1274
1275         * config/i386/i386.md (*pushdi2_rex64 peephole2): Remove.
1276         (*pushdi2_rex64 peephole2): Unconditionally split after
1277         epilogue_completed.
1278         (*ashl<mode>3_doubleword): Ditto.
1279         (*<shift_insn><mode>3_doubleword): Ditto.
1280
1281 2020-02-05  Michael Meissner  <meissner@linux.ibm.com>
1282
1283         PR target/93568
1284         * config/rs6000/rs6000.c (get_vector_offset): Fix
1285
1286 2020-02-05  Andrew Stubbs  <ams@codesourcery.com>
1287
1288         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Use / not space.
1289
1290 2020-02-05  David Malcolm  <dmalcolm@redhat.com>
1291
1292         * doc/analyzer.texi
1293         (Special Functions for Debugging the Analyzer): Update description
1294         of __analyzer_dump_exploded_nodes.
1295
1296 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1297
1298         PR target/92190
1299         * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Only
1300         include sets and not clobbers in the vzeroupper pattern.
1301         * config/i386/sse.md (*avx_vzeroupper): Require in insn condition that
1302         the parallel has 17 (64-bit) or 9 (32-bit) elts.
1303         (*avx_vzeroupper_1): New define_insn_and_split.
1304
1305         PR target/92190
1306         * recog.c (pass_split_after_reload::gate): For STACK_REGS targets,
1307         don't run when !optimize.
1308         (pass_split_before_regstack::gate): For STACK_REGS targets, run even
1309         when !optimize.
1310
1311 2020-02-05  Richard Biener  <rguenther@suse.de>
1312
1313         PR middle-end/90648
1314         * genmatch.c (dt_node::gen_kids_1): Emit number of argument
1315         checks before matching calls.
1316
1317 2020-02-05  Jakub Jelinek  <jakub@redhat.com>
1318
1319         * tree-ssa-alias.c (aliasing_matching_component_refs_p): Fix up
1320         function comment typo.
1321
1322         PR middle-end/93555
1323         * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or
1324         simd_clone_create failed when i == 0, adjust clone->nargs by
1325         clone->inbranch.
1326
1327 2020-02-05  Martin Liska  <mliska@suse.cz>
1328
1329         PR c++/92717
1330         * doc/invoke.texi: Document that one should
1331         not combine ASLR and -fpch.
1332
1333 2020-02-04  Richard Biener  <rguenther@suse.de>
1334
1335         PR tree-optimization/93538
1336         * match.pd (addr EQ/NE ptr): Amend to handle &ptr->x EQ/NE ptr.
1337
1338 2020-02-04  Richard Biener  <rguenther@suse.de>
1339
1340         PR tree-optimization/91123
1341         * tree-ssa-sccvn.c (vn_walk_cb_data::finish): New method.
1342         (vn_walk_cb_data::last_vuse): New member.
1343         (vn_walk_cb_data::saved_operands): Likewsie.
1344         (vn_walk_cb_data::~vn_walk_cb_data): Release saved_operands.
1345         (vn_walk_cb_data::push_partial_def): Use finish.
1346         (vn_reference_lookup_2): Update last_vuse and use finish if
1347         we've saved operands.
1348         (vn_reference_lookup_3): Use finish and update calls to
1349         push_partial_defs everywhere.  When translating through
1350         memcpy or aggregate copies save off operands and alias-set.
1351         (eliminate_dom_walker::eliminate_stmt): Restore VN_WALKREWRITE
1352         operation for redundant store removal.
1353
1354 2020-02-04  Richard Biener  <rguenther@suse.de>
1355
1356         PR tree-optimization/92819
1357         * tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
1358         generating more stmts than before.
1359
1360 2020-02-04  Martin Liska  <mliska@suse.cz>
1361
1362         * config/arm/arm.c (arm_gen_far_branch): Move the function
1363         outside of selftests.
1364
1365 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1366
1367         * config/rs6000/rs6000.c (adjust_vec_address_pcrel): New helper
1368         function to adjust PC-relative vector addresses.
1369         (rs6000_adjust_vec_address): Call adjust_vec_address_pcrel to
1370         handle vectors with PC-relative addresses.
1371
1372 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1373
1374         * config/rs6000/rs6000.c (reg_to_non_prefixed): Add forward
1375         reference.
1376         (hard_reg_and_mode_to_addr_mask): Delete.
1377         (rs6000_adjust_vec_address): If the original vector address
1378         was REG+REG or REG+OFFSET and the element is not zero, do the add
1379         of the elements in the original address before adding the offset
1380         for the vector element.  Use address_to_insn_form to validate the
1381         address using the register being loaded, rather than guessing
1382         whether the address is a DS-FORM or DQ-FORM address.
1383
1384 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1385
1386         * config/rs6000/rs6000.c (get_vector_offset): New helper function
1387         to calculate the offset in memory from the start of a vector of a
1388         particular element.  Add code to keep the element number in
1389         bounds if the element number is variable.
1390         (rs6000_adjust_vec_address): Move calculation of offset of the
1391         vector element to get_vector_offset.
1392         (rs6000_split_vec_extract_var): Do not do the initial AND of
1393         element here, move the code to get_vector_offset.
1394
1395 2020-02-03  Michael Meissner  <meissner@linux.ibm.com>
1396
1397         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add some
1398         gcc_asserts.
1399
1400 2020-02-03  Segher Boessenkool  <segher@kernel.crashing.org>
1401
1402         * config/rs6000/constraints.md: Improve documentation.
1403
1404 2020-02-03  Richard Earnshaw  <rearnsha@arm.com>
1405
1406         PR target/93548
1407         * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
1408         ($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.
1409
1410 2020-02-03  Andrew Stubbs  <ams@codesourcery.com>
1411
1412         * config.gcc: Remove "carrizo" support.
1413         * config/gcn/gcn-opts.h (processor_type): Likewise.
1414         * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Likewise.
1415         * config/gcn/gcn.opt (gpu_type): Likewise.
1416         * config/gcn/t-omp-device: Likewise.
1417
1418 2020-02-03  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1419
1420         PR target/91816
1421         * config/arm/arm-protos.h: New function arm_gen_far_branch prototype.
1422         * config/arm/arm.c (arm_gen_far_branch): New function
1423         arm_gen_far_branch.
1424         * config/arm/arm.md: Update b<cond> for Thumb2 range checks.
1425
1426 2020-02-03  Julian Brown  <julian@codesourcery.com>
1427             Tobias Burnus  <tobias@codesourcery.com>
1428
1429         * doc/invoke.texi: Update mention of OpenACC version to 2.6.
1430
1431 2020-02-03  Jakub Jelinek  <jakub@redhat.com>
1432
1433         PR target/93533
1434         * config/s390/s390.md (popcounthi2_z196): Fix up expander to emit
1435         valid RTL to sum up the lowest and second lowest bytes of the popcnt
1436         result.
1437
1438 2020-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1439
1440         PR rtl-optimization/91333
1441         * ira-color.c (struct allocno_color_data): Add member
1442         hard_reg_prefs.
1443         (init_allocno_threads): Set the member up.
1444         (bucket_allocno_compare_func): Add compare hard reg
1445         prefs.
1446
1447 2020-01-31  Sandra Loosemore  <sandra@codesourcery.com>
1448
1449         nios2: Support for GOT-relative DW_EH_PE_datarel encoding.
1450
1451         * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1452         * config.in: Regenerated.
1453         * configure: Regenerated.
1454         * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling
1455         for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION.
1456         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1457
1458 2020-02-01  Andrew Burgess  <andrew.burgess@embecosm.com>
1459
1460         * configure: Regenerate.
1461
1462 2020-01-31  Vladimir Makarov  <vmakarov@redhat.com>
1463
1464         PR rtl-optimization/91333
1465         * ira-color.c (bucket_allocno_compare_func): Move conflict hard
1466         reg preferences comparison up.
1467
1468 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1469
1470         * config/aarch64/aarch64.h (TARGET_SVE_BF16): New macro.
1471         * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtnt): Move to
1472         aarch64-sve-builtins-base.h.
1473         * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtnt): Move to
1474         aarch64-sve-builtins-base.cc.
1475         * config/aarch64/aarch64-sve-builtins-base.h (svbfdot, svbfdot_lane)
1476         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1477         (svcvtnt): Declare.
1478         * config/aarch64/aarch64-sve-builtins-base.cc (svbfdot, svbfdot_lane)
1479         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1480         (svcvtnt): New functions.
1481         * config/aarch64/aarch64-sve-builtins-base.def (svbfdot, svbfdot_lane)
1482         (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
1483         (svcvtnt): New functions.
1484         (svcvt): Add a form that converts f32 to bf16.
1485         * config/aarch64/aarch64-sve-builtins-shapes.h (ternary_bfloat)
1486         (ternary_bfloat_lane, ternary_bfloat_lanex2, ternary_bfloat_opt_n):
1487         Declare.
1488         * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_element_type):
1489         Treat B as bfloat16_t.
1490         (ternary_bfloat_lane_base): New class.
1491         (ternary_bfloat_def): Likewise.
1492         (ternary_bfloat): New shape.
1493         (ternary_bfloat_lane_def): New class.
1494         (ternary_bfloat_lane): New shape.
1495         (ternary_bfloat_lanex2_def): New class.
1496         (ternary_bfloat_lanex2): New shape.
1497         (ternary_bfloat_opt_n_def): New class.
1498         (ternary_bfloat_opt_n): New shape.
1499         * config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_bfloat): New macro.
1500         * config/aarch64/aarch64-sve.md (@aarch64_sve_<sve_fp_op>vnx4sf)
1501         (@aarch64_sve_<sve_fp_op>_lanevnx4sf): New patterns.
1502         (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>)
1503         (@cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1504         (*cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
1505         (@aarch64_sve_cvtnt<VNx8BF_ONLY:mode>): Likewise.
1506         * config/aarch64/aarch64-sve2.md (@aarch64_sve2_cvtnt<mode>): Key
1507         the pattern off the narrow mode instead of the wider one.
1508         * config/aarch64/iterators.md (VNx8BF_ONLY): New mode iterator.
1509         (UNSPEC_BFMLALB, UNSPEC_BFMLALT, UNSPEC_BFMMLA): New unspecs.
1510         (sve_fp_op): Handle them.
1511         (SVE_BFLOAT_TERNARY_LONG): New int itertor.
1512         (SVE_BFLOAT_TERNARY_LONG_LANE): Likewise.
1513
1514 2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>
1515
1516         * config/aarch64/arm_sve.h: Include arm_bf16.h.
1517         * config/aarch64/aarch64-modes.def (BF): Move definition before
1518         VECTOR_MODES.  Remove separate VECTOR_MODES for V4BF and V8BF.
1519         (SVE_MODES): Handle BF modes.
1520         * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
1521         BF modes.
1522         (aarch64_full_sve_mode): Likewise.
1523         * config/aarch64/iterators.md (SVE_STRUCT): Add VNx16BF, VNx24BF
1524         and VNx32BF.
1525         (SVE_FULL, SVE_FULL_HSD, SVE_ALL): Add VNx8BF.
1526         (Vetype, Vesize, Vctype, VEL, Vel, VEL_INT, V128, v128, vwcore)
1527         (V_INT_EQUIV, v_int_equiv, V_FP_EQUIV, v_fp_equiv, vector_count)
1528         (insn_length, VSINGLE, vsingle, VPRED, vpred, VDOUBLE): Handle the
1529         new SVE BF modes.
1530         * config/aarch64/aarch64-sve-builtins.h (TYPE_bfloat): New
1531         type_class_index.
1532         * config/aarch64/aarch64-sve-builtins.cc (TYPES_all_arith): New macro.
1533         (TYPES_all_data): Add bf16.
1534         (TYPES_reinterpret1, TYPES_reinterpret): Likewise.
1535         (register_tuple_type): Increase buffer size.
1536         * config/aarch64/aarch64-sve-builtins.def (svbfloat16_t): New type.
1537         (bf16): New type suffix.
1538         * config/aarch64/aarch64-sve-builtins-base.def (svabd, svadd, svaddv)
1539         (svcmpeq, svcmpge, svcmpgt, svcmple, svcmplt, svcmpne, svmad, svmax)
1540         (svmaxv, svmin, svminv, svmla, svmls, svmsb, svmul, svsub, svsubr):
1541         Change type from all_data to all_arith.
1542         * config/aarch64/aarch64-sve-builtins-sve2.def (svaddp, svmaxp)
1543         (svminp): Likewise.
1544
1545 2020-01-31  Dennis Zhang  <dennis.zhang@arm.com>
1546             Matthew Malcomson  <matthew.malcomson@arm.com>
1547             Richard Sandiford  <richard.sandiford@arm.com>
1548
1549         * doc/invoke.texi (f32mm): Document new AArch64 -march= extension.
1550         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
1551         __ARM_FEATURE_SVE_MATMUL_INT8, __ARM_FEATURE_SVE_MATMUL_FP32 and
1552         __ARM_FEATURE_SVE_MATMUL_FP64 as appropriate.  Don't define
1553         __ARM_FEATURE_MATMUL_FP64.
1554         * config/aarch64/aarch64-option-extensions.def (fp, simd, fp16)
1555         (sve): Add AARCH64_FL_F32MM to the list of extensions that should
1556         be disabled at the same time.
1557         (f32mm): New extension.
1558         * config/aarch64/aarch64.h (AARCH64_FL_F32MM): New macro.
1559         (AARCH64_FL_F64MM): Bump to the next bit up.
1560         (AARCH64_ISA_F32MM, TARGET_SVE_I8MM, TARGET_F32MM, TARGET_SVE_F32MM)
1561         (TARGET_SVE_F64MM): New macros.
1562         * config/aarch64/iterators.md (SVE_MATMULF): New mode iterator.
1563         (UNSPEC_FMMLA, UNSPEC_SMATMUL, UNSPEC_UMATMUL, UNSPEC_USMATMUL)
1564         (UNSPEC_TRN1Q, UNSPEC_TRN2Q, UNSPEC_UZP1Q, UNSPEC_UZP2Q, UNSPEC_ZIP1Q)
1565         (UNSPEC_ZIP2Q): New unspeccs.
1566         (DOTPROD_US_ONLY, PERMUTEQ, MATMUL, FMMLA): New int iterators.
1567         (optab, sur, perm_insn): Handle the new unspecs.
1568         (sve_fp_op): Handle UNSPEC_FMMLA.  Resort.
1569         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use
1570         TARGET_SVE_F64MM instead of separate tests.
1571         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod<vsi2qi>): New pattern.
1572         (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod_lane<vsi2qi>): Likewise.
1573         (@aarch64_sve_add_<MATMUL:optab><vsi2qi>): Likewise.
1574         (@aarch64_sve_<FMMLA:sve_fp_op><mode>): Likewise.
1575         (@aarch64_sve_<PERMUTEQ:optab><mode>): Likewise.
1576         * config/aarch64/aarch64-sve-builtins.cc (TYPES_s_float): New macro.
1577         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): Use it.
1578         (TYPES_s_signed): New macro.
1579         (TYPES_s_integer): Use it.
1580         (TYPES_d_float): New macro.
1581         (TYPES_d_data): Use it.
1582         * config/aarch64/aarch64-sve-builtins-shapes.h (mmla): Declare.
1583         (ternary_intq_uintq_lane, ternary_intq_uintq_opt_n, ternary_uintq_intq)
1584         (ternary_uintq_intq_lane, ternary_uintq_intq_opt_n): Likewise.
1585         * config/aarch64/aarch64-sve-builtins-shapes.cc (mmla_def): New class.
1586         (svmmla): New shape.
1587         (ternary_resize2_opt_n_base): Add TYPE_CLASS2 and TYPE_CLASS3
1588         template parameters.
1589         (ternary_resize2_lane_base): Likewise.
1590         (ternary_resize2_base): New class.
1591         (ternary_qq_lane_base): Likewise.
1592         (ternary_intq_uintq_lane_def): Likewise.
1593         (ternary_intq_uintq_lane): New shape.
1594         (ternary_intq_uintq_opt_n_def): New class
1595         (ternary_intq_uintq_opt_n): New shape.
1596         (ternary_qq_lane_def): Inherit from ternary_qq_lane_base.
1597         (ternary_uintq_intq_def): New class.
1598         (ternary_uintq_intq): New shape.
1599         (ternary_uintq_intq_lane_def): New class.
1600         (ternary_uintq_intq_lane): New shape.
1601         (ternary_uintq_intq_opt_n_def): New class.
1602         (ternary_uintq_intq_opt_n): New shape.
1603         * config/aarch64/aarch64-sve-builtins-base.h (svmmla, svsudot)
1604         (svsudot_lane, svtrn1q, svtrn2q, svusdot, svusdot_lane, svusmmla)
1605         (svuzp1q, svuzp2q, svzip1q, svzip2q): Declare.
1606         * config/aarch64/aarch64-sve-builtins-base.cc (svdot_lane_impl):
1607         Generalize to...
1608         (svdotprod_lane_impl): ...this new class.
1609         (svmmla_impl, svusdot_impl): New classes.
1610         (svdot_lane): Update to use svdotprod_lane_impl.
1611         (svmmla, svsudot, svsudot_lane, svtrn1q, svtrn2q, svusdot)
1612         (svusdot_lane, svusmmla, svuzp1q, svuzp2q, svzip1q, svzip2q): New
1613         functions.
1614         * config/aarch64/aarch64-sve-builtins-base.def (svmmla): New base
1615         function, with no types defined.
1616         (svmmla, svusmmla, svsudot, svsudot_lane, svusdot, svusdot_lane): New
1617         AARCH64_FL_I8MM functions.
1618         (svmmla): New AARCH64_FL_F32MM function.
1619         (svld1ro): Depend only on AARCH64_FL_F64MM, not on AARCH64_FL_V8_6.
1620         (svmmla, svtrn1q, svtrn2q, svuz1q, svuz2q, svzip1q, svzip2q): New
1621         AARCH64_FL_F64MM function.
1622         (REQUIRED_EXTENSIONS):
1623
1624 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1625
1626         * config/gcn/gcn-valu.md (addv64di3_exec): Allow one '0' in each
1627         alternative only.
1628
1629 2020-01-31  Uroš Bizjak  <ubizjak@gmail.com>
1630
1631         * config/i386/i386.md (*movoi_internal_avx): Do not check for
1632         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.  Remove MODE_V8SF handling.
1633         (*movti_internal): Do not check for
1634         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1635         (*movtf_internal): Move check for TARGET_SSE2 and size optimization
1636         just after check for TARGET_AVX.
1637         (*movdf_internal): Ditto.
1638         * config/i386/mmx.md (*mov<mode>_internal): Do not check for
1639         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
1640         * config/i386/sse.md (mov<mode>_internal): Only check
1641         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL with V2DFmode.  Move check
1642         for TARGET_SSE2 and size optimization just after check for TARGET_AVX.
1643         (<sse>_andnot<mode>3<mask_name>): Move check for
1644         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL after check for TARGET_AVX.
1645         (<code><mode>3<mask_name>): Ditto.
1646         (*andnot<mode>3): Ditto.
1647         (*andnottf3): Ditto.
1648         (*<code><mode>3): Ditto.
1649         (*<code>tf3): Ditto.
1650         (*andnot<VI:mode>3): Remove
1651         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling.
1652         (<mask_codefor><code><VI48_AVX_AVX512F:mode>3<mask_name>): Ditto.
1653         (*<code><VI12_AVX_AVX512F:mode>3): Ditto.
1654         (sse4_1_blendv<ssemodesuffix>): Ditto.
1655         * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
1656         Explain that tune applies to 128bit instructions only.
1657
1658 2020-01-31  Kwok Cheung Yeung  <kcy@codesourcery.com>
1659
1660         * config/gcn/mkoffload.c (process_asm): Add sgpr_count and vgpr_count
1661         to definition of hsa_kernel_description.  Parse assembly to find SGPR
1662         and VGPR count of kernel and store in hsa_kernel_description.
1663
1664 2020-01-31  Tamar Christina  <tamar.christina@arm.com>
1665
1666         PR rtl-optimization/91838
1667         * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
1668         to truncate if allowed or reject combination.
1669
1670 2020-01-31  Andrew Stubbs  <ams@codesourcery.com>
1671
1672         * tree-ssa-loop-ivopts.c (get_iv): Use sizetype for zero-step.
1673         (find_inv_vars_cb): Likewise.
1674
1675 2020-01-31  David Malcolm  <dmalcolm@redhat.com>
1676
1677         * calls.c (special_function_p): Split out the check for DECL_NAME
1678         being non-NULL and fndecl being extern at file scope into a
1679         new maybe_special_function_p and call it.  Drop check for fndecl
1680         being non-NULL that was after a usage of DECL_NAME (fndecl).
1681         * tree.h (maybe_special_function_p): New inline function.
1682
1683 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
1684
1685         * config/gcn/gcn-valu.md (gather<mode>_exec): Move contents ...
1686         (mask_gather_load<mode>): ... here, and zero-initialize the
1687         destination.
1688         (maskload<mode>di): Zero-initialize the destination.
1689         * config/gcn/gcn.c:
1690
1691 2020-01-30  David Malcolm  <dmalcolm@redhat.com>
1692
1693         PR analyzer/93356
1694         * doc/analyzer.texi (Limitations): Note that constraints on
1695         floating-point values are currently ignored.
1696
1697 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
1698
1699         PR lto/93384
1700         * symtab.c (symtab_node::noninterposable_alias): If localalias
1701         already exists, but is not usable, append numbers after it until
1702         a unique name is found.  Formatting fix.
1703
1704         PR middle-end/93505
1705         * combine.c (simplify_comparison) <case ROTATE>: Punt on out of range
1706         rotate counts.
1707
1708 2020-01-30  Andrew Stubbs  <ams@codesourcery.com>
1709
1710         * config/gcn/gcn.c (print_operand): Handle LTGT.
1711         * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.
1712
1713 2020-01-30  Richard Biener  <rguenther@suse.de>
1714
1715         * tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
1716         and CONSTRUCTOR in _Literal (type) with TDF_GIMPLE.
1717
1718 2020-01-30  John David Anglin  <danglin@gcc.gnu.org>
1719
1720         * config/pa/pa.c (pa_elf_select_rtx_section): Place function pointers
1721         without a DECL in .data.rel.ro.local.
1722
1723 2020-01-30  Jakub Jelinek  <jakub@redhat.com>
1724
1725         PR target/93494
1726         * config/arm/arm.md (uaddvdi4): Actually emit what gen_uaddvsi4
1727         returned.
1728
1729         PR target/91824
1730         * config/i386/sse.md
1731         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext): Renamed to ...
1732         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): ... this.  Use
1733         any_extend code iterator instead of always zero_extend.
1734         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt): Renamed to ...
1735         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_lt): ... this.
1736         Use any_extend code iterator instead of always zero_extend.
1737         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift): Renamed to ...
1738         (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_shift): ... this.
1739         Use any_extend code iterator instead of always zero_extend.
1740         (*sse2_pmovmskb_ext): New define_insn.
1741         (*sse2_pmovmskb_ext_lt): New define_insn_and_split.
1742
1743         PR target/91824
1744         * config/i386/i386.md (*popcountsi2_zext): New define_insn_and_split.
1745         (*popcountsi2_zext_falsedep): New define_insn.
1746
1747 2020-01-30  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
1748
1749         * config.in: Regenerated.
1750         * configure: Regenerated.
1751
1752 2020-01-29  Tobias Burnus  <tobias@codesourcery.com>
1753
1754         PR bootstrap/93409
1755         * config/gcn/gcn-hsa.h (ASM_SPEC): Add -mattr=-code-object-v3 as
1756         LLVM's assembler changed the default in version 9.
1757
1758 2020-01-24  Jeff Law  <law@redhat.com>
1759
1760         PR tree-optimization/89689
1761         * builtins.def (BUILT_IN_OBJECT_SIZE): Make it const rather than pure.
1762
1763 2020-01-29  Richard Sandiford  <richard.sandiford@arm.com>
1764
1765         Revert:
1766
1767         2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1768
1769         PR rtl-optimization/87763
1770         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
1771         simplification to handle subregs as well as bare regs.
1772         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
1773
1774 2020-01-29  Joel Hutton  <Joel.Hutton@arm.com>
1775
1776         PR target/93221
1777         * ira.c (ira): Revert use of simplified LRA algorithm.
1778
1779 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1780
1781         PR tree-optimization/92706
1782         * tree-sra.c (struct access): Fields first_link, last_link,
1783         next_queued and grp_queued renamed to first_rhs_link, last_rhs_link,
1784         next_rhs_queued and grp_rhs_queued respectively, new fields
1785         first_lhs_link, last_lhs_link, next_lhs_queued and grp_lhs_queued.
1786         (struct assign_link): Field next renamed to next_rhs, new field
1787         next_lhs.  Updated comment.
1788         (work_queue_head): Renamed to rhs_work_queue_head.
1789         (lhs_work_queue_head): New variable.
1790         (add_link_to_lhs): New function.
1791         (relink_to_new_repr): Also relink LHS lists.
1792         (add_access_to_work_queue): Renamed to add_access_to_rhs_work_queue.
1793         (add_access_to_lhs_work_queue): New function.
1794         (pop_access_from_work_queue): Renamed to
1795         pop_access_from_rhs_work_queue.
1796         (pop_access_from_lhs_work_queue): New function.
1797         (build_accesses_from_assign): Also add links to LHS lists and to LHS
1798         work_queue.
1799         (child_would_conflict_in_lacc): Renamed to
1800         child_would_conflict_in_acc.  Adjusted parameter names.
1801         (create_artificial_child_access): New parameter set_grp_read, use it.
1802         (subtree_mark_written_and_enqueue): Renamed to
1803         subtree_mark_written_and_rhs_enqueue.
1804         (propagate_subaccesses_across_link): Renamed to
1805         propagate_subaccesses_from_rhs.
1806         (propagate_subaccesses_from_lhs): New function.
1807         (propagate_all_subaccesses): Also propagate subaccesses from LHSs to
1808         RHSs.
1809
1810 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1811
1812         PR tree-optimization/92706
1813         * tree-sra.c (struct access): Adjust comment of
1814         grp_total_scalarization.
1815         (find_access_in_subtree): Look for single children spanning an entire
1816         access.
1817         (scalarizable_type_p): Allow register accesses, adjust callers.
1818         (completely_scalarize): Remove function.
1819         (scalarize_elem): Likewise.
1820         (create_total_scalarization_access): Likewise.
1821         (sort_and_splice_var_accesses): Do not track total scalarization
1822         flags.
1823         (analyze_access_subtree): New parameter totally, adjust to new meaning
1824         of grp_total_scalarization.
1825         (analyze_access_trees): Pass new parameter to analyze_access_subtree.
1826         (can_totally_scalarize_forest_p): New function.
1827         (create_total_scalarization_access): Likewise.
1828         (create_total_access_and_reshape): Likewise.
1829         (total_should_skip_creating_access): Likewise.
1830         (totally_scalarize_subtree): Likewise.
1831         (analyze_all_variable_accesses): Perform total scalarization after
1832         subaccess propagation using the new functions above.
1833         (initialize_constant_pool_replacements): Output initializers by
1834         traversing the access tree.
1835
1836 2020-01-29  Martin Jambor  <mjambor@suse.cz>
1837
1838         * tree-sra.c (verify_sra_access_forest): New function.
1839         (verify_all_sra_access_forests): Likewise.
1840         (create_artificial_child_access): Set parent.
1841         (analyze_all_variable_accesses): Call the verifier.
1842
1843 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1844
1845         * cgraph.c (cgraph_edge::resolve_speculation): Only lookup direct edge
1846         if called on indirect edge.
1847         (cgraph_edge::redirect_call_stmt_to_callee): Lookup indirect edge of
1848         speculative call if needed.
1849
1850 2020-01-29  Richard Biener  <rguenther@suse.de>
1851
1852         PR tree-optimization/93428
1853         * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load
1854         permutation when the load node is created.
1855         (vect_analyze_slp_instance): Re-use it here.
1856
1857 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1858
1859         * ipa-prop.c (update_indirect_edges_after_inlining): Fix warning.
1860
1861 2020-01-28  Vladimir Makarov  <vmakarov@redhat.com>
1862
1863         PR rtl-optimization/93272
1864         * ira-lives.c (process_out_of_region_eh_regs): New function.
1865         (process_bb_node_lives): Call it.
1866
1867 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1868
1869         * coverage.c (read_counts_file): Make error message lowercase.
1870
1871 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1872
1873         * profile-count.c (profile_quality_display_names): Fix ordering.
1874
1875 2020-01-28  Jan Hubicka  <hubicka@ucw.cz>
1876
1877         PR lto/93318
1878         * cgraph.c (cgraph_add_edge_to_call_site_hash): Update call site
1879         hash only when edge is first within the sequence.
1880         (cgraph_edge::set_call_stmt): Update handling of speculative calls.
1881         (symbol_table::create_edge): Do not set target_prob.
1882         (cgraph_edge::remove_caller): Watch for speculative calls when updating
1883         the call site hash.
1884         (cgraph_edge::make_speculative): Drop target_prob parameter.
1885         (cgraph_edge::speculative_call_info): Remove.
1886         (cgraph_edge::first_speculative_call_target): New member function.
1887         (update_call_stmt_hash_for_removing_direct_edge): New function.
1888         (cgraph_edge::resolve_speculation): Rewrite to new API.
1889         (cgraph_edge::speculative_call_for_target): New member function.
1890         (cgraph_edge::make_direct): Rewrite to new API; fix handling of
1891         multiple speculation targets.
1892         (cgraph_edge::redirect_call_stmt_to_callee): Likewise; fix updating
1893         of profile.
1894         (verify_speculative_call): Verify that targets form an interval.
1895         * cgraph.h (cgraph_edge::speculative_call_info): Remove.
1896         (cgraph_edge::first_speculative_call_target): New member function.
1897         (cgraph_edge::next_speculative_call_target): New member function.
1898         (cgraph_edge::speculative_call_target_ref): New member function.
1899         (cgraph_edge;:speculative_call_indirect_edge): New member funtion.
1900         (cgraph_edge): Remove target_prob.
1901         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
1902         Fix handling of speculative calls.
1903         * ipa-devirt.c (ipa_devirt): Fix handling of speculative cals.
1904         * ipa-fnsummary.c (analyze_function_body): Likewise.
1905         * ipa-inline.c (speculation_useful_p): Use new speculative call API.
1906         * ipa-profile.c (dump_histogram): Fix formating.
1907         (ipa_profile_generate_summary): Watch for overflows.
1908         (ipa_profile): Do not require probablity to be 1/2; update to new API.
1909         * ipa-prop.c (ipa_make_edge_direct_to_target): Update to new API.
1910         (update_indirect_edges_after_inlining): Update to new API.
1911         * ipa-utils.c (ipa_merge_profiles): Rewrite merging of speculative call
1912         profiles.
1913         * profile-count.h: (profile_probability::adjusted): New.
1914         * tree-inline.c (copy_bb): Update to new speculative call API; fix
1915         updating of profile.
1916         * value-prof.c (gimple_ic_transform): Rename to ...
1917         (dump_ic_profile): ... this one; update dumping.
1918         (stream_in_histogram_value): Fix formating.
1919         (gimple_value_profile_transformations): Update.
1920
1921 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
1922
1923         PR target/91461
1924         * config/i386/i386.md (*movoi_internal_avx): Remove
1925         TARGET_SSE_TYPELESS_STORES check.
1926         (*movti_internal): Prefer TARGET_AVX over
1927         TARGET_SSE_TYPELESS_STORES.
1928         (*movtf_internal): Likewise.
1929         * config/i386/sse.md (mov<mode>_internal): Prefer TARGET_AVX over
1930         TARGET_SSE_TYPELESS_STORES.  Remove "<MODE_SIZE> == 16" check
1931         from TARGET_SSE_TYPELESS_STORES.
1932
1933 2020-01-28  David Malcolm  <dmalcolm@redhat.com>
1934
1935         * diagnostic-core.h (warning_at): Rename overload to...
1936         (warning_meta): ...this.
1937         (emit_diagnostic_valist): Delete decl of overload taking
1938         diagnostic_metadata.
1939         * diagnostic.c (emit_diagnostic_valist): Likewise for defn.
1940         (warning_at): Rename overload taking diagnostic_metadata to...
1941         (warning_meta): ...this.
1942
1943 2020-01-28  Richard Biener  <rguenther@suse.de>
1944
1945         PR tree-optimization/93439
1946         * tree-parloops.c (create_loop_fn): Move clique bookkeeping...
1947         * tree-cfg.c (move_sese_region_to_fn): ... here.
1948         (verify_types_in_gimple_reference): Verify used cliques are
1949         tracked.
1950
1951 2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>
1952
1953         PR target/91399
1954         * config/i386/i386-options.c (set_ix86_tune_features): Add an
1955         argument of a pointer to struct gcc_options and pass it to
1956         parse_mtune_ctrl_str.
1957         (ix86_function_specific_restore): Pass opts to
1958         set_ix86_tune_features.
1959         (ix86_option_override_internal): Likewise.
1960         (parse_mtune_ctrl_str): Add an argument of a pointer to struct
1961         gcc_options and use it for x_ix86_tune_ctrl_string.
1962
1963 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1964
1965         PR rtl-optimization/87763
1966         * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
1967         simplification to handle subregs as well as bare regs.
1968         * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.
1969
1970 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1971
1972         * tree-vect-loop.c (vectorizable_reduction): Fail gracefully
1973         for reduction chains that (now) include a call.
1974
1975 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1976
1977         PR tree-optimization/92822
1978         * tree-ssa-forwprop.c (simplify_vector_constructor): When filling
1979         out the don't-care elements of a vector whose significant elements
1980         are duplicates, make the don't-care elements duplicates too.
1981
1982 2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>
1983
1984         PR tree-optimization/93434
1985         * tree-predcom.c (split_data_refs_to_components): Record which
1986         components have had aliasing loads removed.  Prevent store-store
1987         commoning for all such components.
1988
1989 2020-01-28  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR target/93418
1992         * config/i386/i386.c (ix86_fold_builtin) <do_shift>: If mask is not
1993         -1 or is_vshift is true, use new_vector with number of elts npatterns
1994         rather than new_unary_operation.
1995
1996         PR tree-optimization/93454
1997         * gimple-fold.c (fold_array_ctor_reference): Perform
1998         elt_size.to_uhwi () just once, instead of calling it in every
1999         iteration.  Punt if that value is above size of the temporary
2000         buffer.  Decrease third native_encode_expr argument when
2001         bufoff + elt_sz is above size of buf.
2002
2003 2020-01-27  Joseph Myers  <joseph@codesourcery.com>
2004
2005         * config/mips/mips.c (mips_declare_object_name)
2006         [USE_GNU_UNIQUE_OBJECT]: Support use of gnu_unique_object.
2007
2008 2020-01-27  Martin Liska  <mliska@suse.cz>
2009
2010         PR gcov-profile/93403
2011         * tree-profile.c (gimple_init_gcov_profiler): Generate
2012         both __gcov_indirect_call_profiler_v4 and
2013         __gcov_indirect_call_profiler_v4_atomic.
2014
2015 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2016
2017         PR target/92822
2018         * config/aarch64/aarch64-simd.md (aarch64_get_half<mode>): New
2019         expander.
2020         (@aarch64_split_simd_mov<mode>): Use it.
2021         (aarch64_simd_mov_from_<mode>low): Add a GPR alternative.
2022         Leave the vec_extract patterns to handle 2-element vectors.
2023         (aarch64_simd_mov_from_<mode>high): Likewise.
2024         (vec_extract<VQMOV_NO2E:mode><Vhalf>): New expander.
2025         (vec_extractv2dfv1df): Likewise.
2026
2027 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2028
2029         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Match
2030         jump conditions for *compare_condjump<GPI:mode>.
2031
2032 2020-01-27  David Malcolm  <dmalcolm@redhat.com>
2033
2034         PR analyzer/93276
2035         * digraph.cc (test_edge::test_edge): Specify template for base
2036         class initializer.
2037
2038 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2039
2040         * config/arc/arc.c (arc_rtx_costs): Update mul64 cost.
2041
2042 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2043
2044         * config/arc/arc-protos.h (gen_mlo): Remove.
2045         (gen_mhi): Likewise.
2046         * config/arc/arc.c (AUX_MULHI): Define.
2047         (arc_must_save_reister): Special handling for r58/59.
2048         (arc_compute_frame_size): Consider mlo/mhi registers.
2049         (arc_save_callee_saves): Emit fp/sp move only when emit_move
2050         paramter is true.
2051         (arc_conditional_register_usage): Remove TARGET_BIG_ENDIAN from
2052         mlo/mhi name selection.
2053         (arc_restore_callee_saves): Don't early restore blink when ISR.
2054         (arc_expand_prologue): Add mlo/mhi saving.
2055         (arc_expand_epilogue): Add mlo/mhi restoring.
2056         (gen_mlo): Remove.
2057         (gen_mhi): Remove.
2058         * config/arc/arc.h (DBX_REGISTER_NUMBER): Correct register
2059         numbering when MUL64 option is used.
2060         (DWARF2_FRAME_REG_OUT): Define.
2061         * config/arc/arc.md (arc600_stall): New pattern.
2062         (VUNSPEC_ARC_ARC600_STALL): Define.
2063         (mulsi64): Use correct mlo/mhi registers.
2064         (mulsi_600): Clean it up.
2065         * config/arc/predicates.md (mlo_operand): Remove any dependency on
2066         TARGET_BIG_ENDIAN.
2067         (mhi_operand): Likewise.
2068
2069 2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
2070             Petro Karashchenko  <petro.karashchenko@ring.com>
2071
2072         * config/arc/arc.c (arc_is_uncached_mem_p): Check struct
2073         attributes if needed.
2074         (prepare_move_operands): Generate special unspec instruction for
2075         direct access.
2076         (arc_isuncached_mem_p): Propagate uncached attribute to each
2077         structure member.
2078         * config/arc/arc.md (VUNSPEC_ARC_LDDI): Define.
2079         (VUNSPEC_ARC_STDI): Likewise.
2080         (ALLI): New mode iterator.
2081         (mALLI): New mode attribute.
2082         (lddi): New instruction pattern.
2083         (stdi): Likewise.
2084         (stdidi_split): Split instruction for architectures which are not
2085         supporting ll64 option.
2086         (lddidi_split): Likewise.
2087
2088 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2089
2090         PR rtl-optimization/92989
2091         * lra-lives.c (process_bb_lives): Update the live-in set before
2092         processing additional clobbers.
2093
2094 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2095
2096         PR rtl-optimization/93170
2097         * cselib.c (cselib_invalidate_regno_val): New function, split out
2098         from...
2099         (cselib_invalidate_regno): ...here.
2100         (cselib_invalidated_by_call_p): New function.
2101         (cselib_process_insn): Iterate over all the hard-register entries in
2102         REG_VALUES and invalidate any that cross call-clobbered registers.
2103
2104 2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>
2105
2106         * dojump.c (split_comparison): Use HONOR_NANS rather than
2107         HONOR_SNANS when splitting LTGT.
2108
2109 2020-01-27  Martin Liska  <mliska@suse.cz>
2110
2111         PR driver/91220
2112         * opts.c (print_filtered_help): Exclude language-specific
2113         options from --help=common unless enabled in all FEs.
2114
2115 2020-01-27  Martin Liska  <mliska@suse.cz>
2116
2117         * opts.c (print_help): Exclude params from
2118         all except --help=param.
2119
2120 2020-01-27  Martin Liska  <mliska@suse.cz>
2121
2122         PR target/93274
2123         * config/i386/i386-features.c (make_resolver_func):
2124         Align the code with ppc64 target implementation.
2125         Do not generate a unique name for resolver function.
2126
2127 2020-01-27  Richard Biener  <rguenther@suse.de>
2128
2129         PR tree-optimization/93397
2130         * tree-vect-slp.c (vect_analyze_slp_instance): Delay
2131         converted reduction chain SLP graph adjustment.
2132
2133 2020-01-26  Marek Polacek  <polacek@redhat.com>
2134
2135         PR sanitizer/93436
2136         * sanopt.c (sanitize_rewrite_addressable_params): Avoid crash on
2137         null DECL_NAME.
2138
2139 2020-01-26  Jason Merrill  <jason@redhat.com>
2140
2141         PR c++/92601
2142         * tree.c (verify_type_variant): Only verify TYPE_NEEDS_CONSTRUCTING
2143         of complete types.
2144
2145 2020-01-26  Darius Galis  <darius.galis@cyberthorstudios.com>
2146
2147         * config/rx/rx.md (setmemsi): Added rx_allow_string_insns constraint
2148         (rx_setmem): Likewise.
2149
2150 2020-01-26  Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR target/93412
2153         * config/i386/i386.md (*addv<dwi>4_doubleword, *subv<dwi>4_doubleword):
2154         Use nonimmediate_operand instead of x86_64_hilo_general_operand and
2155         drop <di> from constraint of last operand.
2156
2157         PR target/93430
2158         * config/i386/sse.md (*avx_vperm_broadcast_<mode>): Disallow for
2159         TARGET_AVX2 and V4DFmode not in the split condition, but in the
2160         pattern condition, though allow { 0, 0, 0, 0 } broadcast always.
2161
2162 2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>
2163
2164         PR ipa/93166
2165         * ipa-cp.c (get_info_about_necessary_edges): Remove value
2166         check assertion.
2167
2168 2020-01-24  Jeff Law  <law@redhat.com>
2169
2170         PR tree-optimization/92788
2171         * tree-ssa-threadedge.c (thread_across_edge): Check EDGE_COMPLEX
2172         not EDGE_ABNORMAL.
2173
2174 2020-01-24  Jakub Jelinek  <jakub@redhat.com>
2175
2176         PR target/93395
2177         * config/i386/sse.md (*avx_vperm_broadcast_v4sf,
2178         *avx_vperm_broadcast_<mode>,
2179         <sse2_avx_avx512f>_vpermil<mode><mask_name>,
2180         *<sse2_avx_avx512f>_vpermilp<mode><mask_name>):
2181         Move before avx2_perm<mode>/avx512f_perm<mode>.
2182
2183         PR target/93376
2184         * simplify-rtx.c (simplify_const_unary_operation,
2185         simplify_const_binary_operation): Punt for mode precision above
2186         MAX_BITSIZE_MODE_ANY_INT.
2187
2188 2020-01-24  Andrew Pinski  <apinski@marvell.com>
2189
2190         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Change
2191         alu.shift_reg to 0.
2192
2193 2020-01-24  Jeff Law  <law@redhat.com>
2194
2195         PR target/13721
2196         * config/h8300/h8300.c (h8300_print_operand): Only call byte_reg
2197         for REGs.  Call output_operand_lossage to get more reasonable
2198         diagnostics.
2199
2200 2020-01-24  Andrew Stubbs  <ams@codesourcery.com>
2201
2202         * config/gcn/gcn-valu.md (vec_cmp<mode>di): Use
2203         gcn_fp_compare_operator.
2204         (vec_cmpu<mode>di): Use gcn_compare_operator.
2205         (vec_cmp<u>v64qidi): Use gcn_compare_operator.
2206         (vec_cmp<mode>di_exec): Use gcn_fp_compare_operator.
2207         (vec_cmpu<mode>di_exec): Use gcn_compare_operator.
2208         (vec_cmp<u>v64qidi_exec): Use gcn_compare_operator.
2209         (vec_cmp<mode>di_dup): Use gcn_fp_compare_operator.
2210         (vec_cmp<mode>di_dup_exec): Use gcn_fp_compare_operator.
2211         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): Use
2212         gcn_fp_compare_operator.
2213         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): Use
2214         gcn_fp_compare_operator.
2215         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): Use
2216         gcn_fp_compare_operator.
2217         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): Use
2218         gcn_fp_compare_operator.
2219
2220 2020-01-24  Maciej W. Rozycki  <macro@wdc.com>
2221
2222         * doc/install.texi (Cross-Compiler-Specific Options): Document
2223         `--with-toolexeclibdir' option.
2224
2225 2020-01-24  Hans-Peter Nilsson  <hp@axis.com>
2226
2227         * target.def (flags_regnum): Also mention effect on delay slot filling.
2228         * doc/tm.texi: Regenerate.
2229
2230 2020-01-23  Jeff Law  <law@redhat.com>
2231
2232         PR translation/90162
2233         * config/h8300/h8300.c (h8300_option_override): Fix diagnostic text.
2234
2235 2020-01-23  Mikael Tillenius  <mti-1@tillenius.com>
2236
2237         PR target/92269
2238         * config/h8300/h8300.h (FUNCTION_PROFILER): Fix emission of
2239         profiling label
2240
2241 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR rtl-optimization/93402
2244         * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
2245         USE insns.
2246
2247 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2248
2249         * config.in: Regenerated.
2250         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1
2251         for TARGET_LIBC_GNUSTACK.
2252         * configure: Regenerated.
2253         * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is
2254         found to be 2.31 or greater.
2255
2256 2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>
2257
2258         * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to
2259         TARGET_SOFT_FLOAT.
2260         * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ...
2261         (mips_asm_file_end): New function. Delegate to
2262         file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true.
2263         * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2264
2265 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR target/93376
2268         * config/i386/i386-modes.def (POImode): New mode.
2269         (MAX_BITSIZE_MODE_ANY_INT): Change from 128 to 160.
2270         * config/i386/i386.md (DPWI): New mode attribute.
2271         (addv<mode>4, subv<mode>4): Use <DPWI> instead of <DWI>.
2272         (QWI): Rename to...
2273         (QPWI): ... this.  Use POI instead of OI for TImode.
2274         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1,
2275         *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1): Use <QPWI>
2276         instead of <QWI>.
2277
2278 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2279
2280         PR target/93341
2281         * config/aarch64/aarch64.md (UNSPEC_SPECULATION_TRACKER_REV): New
2282         unspec.
2283         (speculation_tracker_rev): New pattern.
2284         * config/aarch64/aarch64-speculation.cc (aarch64_do_track_speculation):
2285         Use speculation_tracker_rev to track the inverse condition.
2286
2287 2020-01-23  Richard Biener  <rguenther@suse.de>
2288
2289         PR tree-optimization/93381
2290         * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Take
2291         alias-set of the def as argument and record the first one.
2292         (vn_walk_cb_data::first_set): New member.
2293         (vn_reference_lookup_3): Pass the alias-set of the current def
2294         to push_partial_def.  Fix alias-set used in the aggregate copy
2295         case.
2296         (vn_reference_lookup): Consistently set *last_vuse_ptr.
2297         * real.c (clear_significand_below): Fix out-of-bound access.
2298
2299 2020-01-23  Jakub Jelinek  <jakub@redhat.com>
2300
2301         PR target/93346
2302         * config/i386/i386.md (*bmi2_bzhi_<mode>3_2, *bmi2_bzhi_<mode>3_3):
2303         New define_insn patterns.
2304
2305 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2306
2307         * doc/sourcebuild.texi (check-function-bodies): Add an
2308         optional target/xfail selector.
2309
2310 2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>
2311
2312         PR rtl-optimization/93124
2313         * auto-inc-dec.c (merge_in_block): Don't add auto inc/decs to
2314         bare USE and CLOBBER insns.
2315
2316 2020-01-22  Andrew Pinski  <apinski@marvell.com>
2317
2318         * config/arc/arc.c (output_short_suffix): Check insn for nullness.
2319
2320 2020-01-22  David Malcolm  <dmalcolm@redhat.com>
2321
2322         PR analyzer/93307
2323         * gdbinit.in (break-on-saved-diagnostic): Update for move of
2324         diagnostic_manager into "ana" namespace.
2325         * selftest-run-tests.c (selftest::run_tests): Update for move of
2326         selftest::run_analyzer_selftests to
2327         ana::selftest::run_analyzer_selftests.
2328
2329 2020-01-22  Richard Sandiford  <richard.sandiford@arm.com>
2330
2331         * cfgexpand.c (union_stack_vars): Update the size.
2332
2333 2020-01-22  Richard Biener  <rguenther@suse.de>
2334
2335         PR tree-optimization/93381
2336         * tree-ssa-structalias.c (find_func_aliases): Assume offsetting
2337         throughout, handle all conversions the same.
2338
2339 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2340
2341         PR target/93335
2342         * config/aarch64/aarch64.c (aarch64_expand_subvti): Only use
2343         gen_subdi3_compare1_imm if low_in2 satisfies aarch64_plus_immediate
2344         predicate, not whenever it is CONST_INT.  Otherwise, force_reg it.
2345         Call force_reg on high_in2 unconditionally.
2346
2347 2020-01-22  Martin Liska  <mliska@suse.cz>
2348
2349         PR tree-optimization/92924
2350         * profile.c (compute_value_histograms): Divide
2351         all counter values.
2352
2353 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
2354
2355         PR target/91298
2356         * output.h (assemble_name_resolve): Declare.
2357         * varasm.c (assemble_name_resolve): New function.
2358         (assemble_name): Use it.
2359         * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define.
2360
2361 2020-01-22  Joseph Myers  <joseph@codesourcery.com>
2362
2363         * doc/sourcebuild.texi (Texinfo Manuals, Front End): Refer to
2364         update_web_docs_git instead of update_web_docs_svn.
2365
2366 2020-01-21  Andrew Pinski  <apinski@marvell.com>
2367
2368         PR target/9311
2369         * config/aarch64/aarch64.md (tlsgd_small_<mode>): Have operand 0
2370         as PTR mode. Have operand 1 as being modeless, it can be P mode.
2371         (*tlsgd_small_<mode>): Likewise.
2372         * config/aarch64/aarch64.c (aarch64_load_symref_appropriately)
2373         <case SYMBOL_SMALL_TLSGD>: Call gen_tlsgd_small_* with a ptr_mode
2374         register.  Convert that register back to dest using convert_mode.
2375
2376 2020-01-21  Jim Wilson  <jimw@sifive.com>
2377
2378         * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Use INTVAL
2379         instead of XINT.
2380
2381 2020-01-21  H.J. Lu  <hongjiu.lu@intel.com>
2382             Uros Bizjak    <ubizjak@gmail.com>
2383
2384         PR target/93319
2385         * config/i386/i386.c (ix86_tls_module_base): Replace Pmode
2386         with ptr_mode.
2387         (legitimize_tls_address): Do GNU2 TLS address computation in
2388         ptr_mode and zero-extend result to Pmode.
2389         *  config/i386/i386.md (@tls_dynamic_gnu2_64_<mode>): Replace
2390         :P with :PTR and Pmode with ptr_mode.
2391         (*tls_dynamic_gnu2_lea_64_<mode>): Likewise.
2392         (*tls_dynamic_gnu2_call_64_<mode>): Likewise.
2393         (*tls_dynamic_gnu2_combine_64_<mode>): Likewise.
2394
2395 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2396
2397         PR target/93333
2398         * config/riscv/riscv.c (riscv_rtx_costs) <case ZERO_EXTRACT>: Verify
2399         the last two operands are CONST_INT_P before using them as such.
2400
2401 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2402
2403         * config/aarch64/aarch64-sve-builtins.def: Use get_typenode_from_name
2404         to get the integer element types.
2405
2406 2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>
2407
2408         * config/aarch64/aarch64-sve-builtins.h
2409         (function_expander::convert_to_pmode): Declare.
2410         * config/aarch64/aarch64-sve-builtins.cc
2411         (function_expander::convert_to_pmode): New function.
2412         (function_expander::get_contiguous_base): Use it.
2413         (function_expander::prepare_gather_address_operands): Likewise.
2414         * config/aarch64/aarch64-sve-builtins-sve2.cc
2415         (svwhilerw_svwhilewr_impl::expand): Likewise.
2416
2417 2020-01-21  Szabolcs Nagy  <szabolcs.nagy@arm.com>
2418
2419         PR target/92424
2420         * config/aarch64/aarch64.c (aarch64_declare_function_name): Set
2421         cfun->machine->label_is_assembled.
2422         (aarch64_print_patchable_function_entry): New.
2423         (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Define.
2424         * config/aarch64/aarch64.h (struct machine_function): New field,
2425         label_is_assembled.
2426
2427 2020-01-21  David Malcolm  <dmalcolm@redhat.com>
2428
2429         PR ipa/93315
2430         * ipa-profile.c (ipa_profile): Delete call_sums and set it to
2431         NULL on exit.
2432
2433 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2434
2435         PR lto/93318
2436         * cgraph.c (cgraph_edge::resolve_speculation,
2437         cgraph_edge::redirect_call_stmt_to_callee): Fix update of
2438         call_stmt_site_hash.
2439
2440 2020-01-21  Martin Liska  <mliska@suse.cz>
2441
2442         * config/rs6000/rs6000.c (common_mode_defined): Remove
2443         unused variable.
2444
2445 2020-01-21  Richard Biener  <rguenther@suse.de>
2446
2447         PR tree-optimization/92328
2448         * tree-ssa-sccvn.c (vn_reference_lookup_3): Preserve
2449         type when value-numbering same-sized store by inserting a
2450         VIEW_CONVERT_EXPR.
2451         (eliminate_dom_walker::eliminate_stmt): When eliminating
2452         a redundant store handle bit-reinterpretation of the same value.
2453
2454 2020-01-21  Andrew Pinski  <apinski@marvel.com>
2455
2456         PR tree-opt/93321
2457         * tree-into-ssa.c (prepare_block_for_update_1): Split out
2458         from ...
2459         (prepare_block_for_update): This.  Use a worklist instead of
2460         recursing.
2461
2462 2020-01-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2463
2464         * gcc/config/arm/arm.c (clear_operation_p):
2465         Initialise last_regno, skip first iteration
2466         based on the first_set value and use ints instead
2467         of the unnecessary HOST_WIDE_INTs.
2468
2469 2020-01-21  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR target/93073
2472         * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for
2473         compare_mode other than SFmode or DFmode.
2474
2475 2020-01-21  Kito Cheng  <kito.cheng@sifive.com>
2476
2477         PR target/93304
2478         * config/riscv/riscv-protos.h (riscv_hard_regno_rename_ok): New.
2479         * config/riscv/riscv.c (riscv_hard_regno_rename_ok): New.
2480         * config/riscv/riscv.h (HARD_REGNO_RENAME_OK): Defined.
2481
2482 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2483
2484         * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.
2485
2486 2020-01-20  Andrew Pinski  <apinski@marvell.com>
2487
2488         PR middle-end/93242
2489         * targhooks.c (default_print_patchable_function_entry): Use
2490         output_asm_insn to emit the nop instruction.
2491
2492 2020-01-20  Fangrui Song  <maskray@google.com>
2493
2494         PR middle-end/93194
2495         * targhooks.c (default_print_patchable_function_entry): Align to
2496         POINTER_SIZE.
2497
2498 2020-01-20  H.J. Lu  <hongjiu.lu@intel.com>
2499
2500         PR target/93319
2501         * config/i386/i386.c (legitimize_tls_address): Pass Pmode to
2502         gen_tls_dynamic_gnu2_64.  Compute GNU2 TLS address in ptr_mode.
2503         * config/i386/i386.md (tls_dynamic_gnu2_64): Renamed to ...
2504         (@tls_dynamic_gnu2_64_<mode>): This.  Replace DI with P.
2505         (*tls_dynamic_gnu2_lea_64): Renamed to ...
2506         (*tls_dynamic_gnu2_lea_64_<mode>): This.  Replace DI with P.
2507         Remove the {q} suffix from lea.
2508         (*tls_dynamic_gnu2_call_64): Renamed to ...
2509         (*tls_dynamic_gnu2_call_64_<mode>): This.  Replace DI with P.
2510         (*tls_dynamic_gnu2_combine_64): Renamed to ...
2511         (*tls_dynamic_gnu2_combine_64_<mode>): This.  Replace DI with P.
2512         Pass Pmode to gen_tls_dynamic_gnu2_64.
2513
2514 2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>
2515
2516         * config/aarch64/aarch64.h (SLOW_BYTE_ACCESS): Set to 1.
2517
2518 2020-01-20  Richard Sandiford  <richard.sandiford@arm.com>
2519
2520         * config/aarch64/aarch64-sve-builtins-base.cc
2521         (svld1ro_impl::memory_vector_mode): Remove parameter name.
2522
2523 2020-01-20  Richard Biener  <rguenther@suse.de>
2524
2525         PR debug/92763
2526         * dwarf2out.c (prune_unused_types): Unconditionally mark
2527         called function DIEs.
2528
2529 2020-01-20  Martin Liska  <mliska@suse.cz>
2530
2531         PR tree-optimization/93199
2532         * tree-eh.c (struct leh_state): Add
2533         new field outer_non_cleanup.
2534         (cleanup_is_dead_in): Pass leh_state instead
2535         of eh_region.  Add a checking that state->outer_non_cleanup
2536         points to outer non-clean up region.
2537         (lower_try_finally): Record outer_non_cleanup
2538         for this_state.
2539         (lower_catch): Likewise.
2540         (lower_eh_filter): Likewise.
2541         (lower_eh_must_not_throw): Likewise.
2542         (lower_cleanup): Likewise.
2543
2544 2020-01-20  Richard Biener  <rguenther@suse.de>
2545
2546         PR tree-optimization/93094
2547         * tree-vectorizer.h (vect_loop_versioning): Adjust.
2548         (vect_transform_loop): Likewise.
2549         * tree-vectorizer.c (try_vectorize_loop_1): Pass down
2550         loop_vectorized_call to vect_transform_loop.
2551         * tree-vect-loop.c (vect_transform_loop): Pass down
2552         loop_vectorized_call to vect_loop_versioning.
2553         * tree-vect-loop-manip.c (vect_loop_versioning): Use
2554         the earlier discovered loop_vectorized_call.
2555
2556 2020-01-19  Eric S. Raymond <esr@thyrsus.com>
2557
2558         * doc/contribute.texi: Update for SVN -> Git transition.
2559         * doc/install.texi: Likewise.
2560
2561 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2562
2563         PR lto/93318
2564         * cgraph.c (cgraph_edge::make_speculative): Increase number of
2565         speculative targets.
2566         (verify_speculative_call): New function
2567         (cgraph_node::verify_node): Use it.
2568         * ipa-profile.c (ipa_profile): Fix formating; do not set number of
2569         speculations.
2570
2571 2020-01-18  Jan Hubicka  <hubicka@ucw.cz>
2572
2573         PR lto/93318
2574         * cgraph.c (cgraph_edge::resolve_speculation): Fix foramting.
2575         (cgraph_edge::make_direct): Remove all indirect targets.
2576         (cgraph_edge::redirect_call_stmt_to_callee): Use make_direct..
2577         (cgraph_node::verify_node): Verify that only one call_stmt or
2578         lto_stmt_uid is set.
2579         * cgraphclones.c (cgraph_edge::clone): Set only one call_stmt or
2580         lto_stmt_uid.
2581         * lto-cgraph.c (lto_output_edge): Simplify streaming of stmt.
2582         (lto_output_ref): Simplify streaming of stmt.
2583         * lto-streamer-in.c (fixup_call_stmt_edges_1): Clear lto_stmt_uid.
2584
2585 2020-01-18  Tamar Christina  <tamar.christina@arm.com>
2586
2587         * config/aarch64/aarch64-sve-builtins-base.cc (memory_vector_mode):
2588         Mark parameter unused.
2589
2590 2020-01-18  Hans-Peter Nilsson  <hp@axis.com>
2591
2592         * config.gcc <obsolete targets>: Add crisv32-*-* and cris-*-linux*
2593
2594 2019-01-18  Gerald Pfeifer  <gerald@pfeifer.com>
2595
2596         * varpool.c (ctor_useable_for_folding_p): Fix grammar.
2597
2598 2020-01-18  Iain Sandoe  <iain@sandoe.co.uk>
2599
2600         * Makefile.in: Add coroutine-passes.o.
2601         * builtin-types.def (BT_CONST_SIZE): New.
2602         (BT_FN_BOOL_PTR): New.
2603         (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
2604         * builtins.def (DEF_COROUTINE_BUILTIN): New.
2605         * coroutine-builtins.def: New file.
2606         * coroutine-passes.cc: New file.
2607         * function.h (struct GTY function): Add a bit to indicate that the
2608         function is a coroutine component.
2609         * internal-fn.c (expand_CO_FRAME): New.
2610         (expand_CO_YIELD): New.
2611         (expand_CO_SUSPN): New.
2612         (expand_CO_ACTOR): New.
2613         * internal-fn.def (CO_ACTOR): New.
2614         (CO_YIELD): New.
2615         (CO_SUSPN): New.
2616         (CO_FRAME): New.
2617         * passes.def: Add pass_coroutine_lower_builtins,
2618         pass_coroutine_early_expand_ifns.
2619         * tree-pass.h (make_pass_coroutine_lower_builtins): New.
2620         (make_pass_coroutine_early_expand_ifns): New.
2621         * doc/invoke.texi: Document the fcoroutines command line
2622         switch.
2623
2624 2020-01-18  Jakub Jelinek  <jakub@redhat.com>
2625
2626         * config/arm/vfp.md (*clear_vfp_multiple): Remove unused variable.
2627
2628         PR target/93312
2629         * config/arm/arm.c (clear_operation_p): Don't use REGNO until
2630         after checking the argument is a REG.  Don't use REGNO (reg)
2631         again to set last_regno, reuse regno variable instead.
2632
2633 2020-01-17  David Malcolm  <dmalcolm@redhat.com>
2634
2635         * doc/analyzer.texi (Limitations): Add note about NaN.
2636
2637 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2638             Sudakshina Das  <sudi.das@arm.com>
2639
2640         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for both reg
2641         and valid immediate.
2642         (ashrdi3): Generate thumb2_asrl for both reg and valid immediate.
2643         (lshrdi3): Generate thumb2_lsrl for valid immediates.
2644         * config/arm/constraints.md (Pg): New.
2645         * config/arm/predicates.md (long_shift_imm): New.
2646         (arm_reg_or_long_shift_imm): Likewise.
2647         * config/arm/thumb2.md (thumb2_asrl): New immediate alternative.
2648         (thumb2_lsll): Likewise.
2649         (thumb2_lsrl): New.
2650
2651 2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2652             Sudakshina Das  <sudi.das@arm.com>
2653
2654         * config/arm/arm.md (ashldi3): Generate thumb2_lsll for TARGET_HAVE_MVE.
2655         (ashrdi3): Generate thumb2_asrl for TARGET_HAVE_MVE.
2656         * config/arm/arm.c (arm_hard_regno_mode_ok): Allocate even odd
2657         register pairs for doubleword quantities for ARMv8.1M-Mainline.
2658         * config/arm/thumb2.md (thumb2_asrl): New.
2659         (thumb2_lsll): Likewise.
2660
2661 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
2662
2663         * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear): Remove
2664         unused variable.
2665
2666 2020-01-17  Alexander Monakov  <amonakov@ispras.ru>
2667
2668         * gdbinit.in (help-gcc-hooks): New command.
2669         (pp, pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, ptc, pdn, ptn, pdd, prc,
2670         pi, pbm, pel, trt): Take $arg0 instead of $ if supplied. Update
2671         documentation.
2672
2673 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2674
2675         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use the
2676         correct target macro.
2677
2678 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2679
2680         * config/aarch64/aarch64-protos.h
2681         (aarch64_sve_ld1ro_operand_p): New.
2682         * config/aarch64/aarch64-sve-builtins-base.cc
2683         (class load_replicate): New.
2684         (class svld1ro_impl): New.
2685         (class svld1rq_impl): Change to inherit from load_replicate.
2686         (svld1ro): New sve intrinsic function base.
2687         * config/aarch64/aarch64-sve-builtins-base.def (svld1ro):
2688         New DEF_SVE_FUNCTION.
2689         * config/aarch64/aarch64-sve-builtins-base.h
2690         (svld1ro): New decl.
2691         * config/aarch64/aarch64-sve-builtins.cc
2692         (function_expander::add_mem_operand): Modify assert to allow
2693         OImode.
2694         * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): New
2695         pattern.
2696         * config/aarch64/aarch64.c
2697         (aarch64_sve_ld1rq_operand_p): Implement in terms of ...
2698         (aarch64_sve_ld1rq_ld1ro_operand_p): This.
2699         (aarch64_sve_ld1ro_operand_p): New.
2700         * config/aarch64/aarch64.md (UNSPEC_LD1RO): New unspec.
2701         * config/aarch64/constraints.md (UOb,UOh,UOw,UOd): New.
2702         * config/aarch64/predicates.md
2703         (aarch64_sve_ld1ro_operand_{b,h,w,d}): New.
2704
2705 2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>
2706
2707         * config/aarch64/aarch64-c.c (_ARM_FEATURE_MATMUL_FLOAT64):
2708         Introduce this ACLE specified predefined macro.
2709         * config/aarch64/aarch64-option-extensions.def (f64mm): New.
2710         (fp): Disabling this disables f64mm.
2711         (simd): Disabling this disables f64mm.
2712         (fp16): Disabling this disables f64mm.
2713         (sve): Disabling this disables f64mm.
2714         * config/aarch64/aarch64.h (AARCH64_FL_F64MM): New.
2715         (AARCH64_ISA_F64MM): New.
2716         (TARGET_F64MM): New.
2717         * doc/invoke.texi (f64mm): Document new option.
2718
2719 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
2720
2721         * config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
2722         (neoversen1_tunings): Likewise.
2723
2724 2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
2725
2726         PR target/92692
2727         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap)
2728         Add assert to ensure prolog has been emitted.
2729         (aarch64_split_atomic_op): Likewise.
2730         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
2731         Use epilogue_completed rather than reload_completed.
2732         (aarch64_atomic_exchange<mode>): Likewise.
2733         (aarch64_atomic_<atomic_optab><mode>): Likewise.
2734         (atomic_nand<mode>): Likewise.
2735         (aarch64_atomic_fetch_<atomic_optab><mode>): Likewise.
2736         (atomic_fetch_nand<mode>): Likewise.
2737         (aarch64_atomic_<atomic_optab>_fetch<mode>): Likewise.
2738         (atomic_nand_fetch<mode>): Likewise.
2739
2740 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
2741
2742         PR target/93133
2743         * config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Return false
2744         for FP modes.
2745         (REVERSE_CONDITION): Delete.
2746         * config/aarch64/iterators.md (CC_ONLY): New mode iterator.
2747         (CCFP_CCFPE): Likewise.
2748         (e): New mode attribute.
2749         * config/aarch64/aarch64.md (ccmp<GPI:mode>): Rename to...
2750         (@ccmp<CC_ONLY:mode><GPI:mode>): ...this, using CC_ONLY instead of CC.
2751         (fccmp<GPF:mode>, fccmpe<GPF:mode>): Merge into...
2752         (@ccmp<CCFP_CCFPE:mode><GPF:mode>): ...this combined pattern.
2753         (@ccmp<CC_ONLY:mode><GPI:mode>_rev): New pattern.
2754         (@ccmp<CCFP_CCFPE:mode><GPF:mode>_rev): Likewise.
2755         * config/aarch64/aarch64.c (aarch64_gen_compare_reg): Update
2756         name of generator from gen_ccmpdi to gen_ccmpccdi.
2757         (aarch64_gen_ccmp_next): Use code_for_ccmp.  If we want to reverse
2758         the previous comparison but aren't able to, use the new ccmp_rev
2759         patterns instead.
2760
2761 2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>
2762
2763         * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather
2764         than testing directly for INTEGER_CST.
2765         (gimplify_target_expr, gimplify_omp_depend): Likewise.
2766
2767 2020-01-17  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR tree-optimization/93292
2770         * tree-vect-stmts.c (vectorizable_comparison): Punt also if
2771         get_vectype_for_scalar_type returns NULL.
2772
2773 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
2774
2775         * params.opt (-param=max-predicted-iterations): Increase range from 0.
2776         * predict.c (estimate_loops): Add 1 to param_max_predicted_iterations.
2777
2778 2020-01-16  Jan Hubicka  <hubicka@ucw.cz>
2779
2780         * ipa-fnsummary.c (estimate_calls_size_and_time): Fix formating of
2781         dump.
2782         * params.opt: (max-predicted-iterations): Set bounds.
2783         * predict.c (real_almost_one, real_br_prob_base,
2784         real_inv_br_prob_base, real_one_half, real_bb_freq_max): Remove.
2785         (propagate_freq): Add max_cyclic_prob parameter; cap cyclic
2786         probabilities; do not truncate to reg_br_prob_bases.
2787         (estimate_loops_at_level): Pass max_cyclic_prob.
2788         (estimate_loops): Compute max_cyclic_prob.
2789         (estimate_bb_frequencies): Do not initialize real_*; update calculation
2790         of back edge prob.
2791         * profile-count.c (profile_probability::to_sreal): New.
2792         * profile-count.h (class sreal): Move up in file.
2793         (profile_probability::to_sreal): Declare.
2794
2795 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2796
2797         * config/arm/arm.c
2798         (arm_invalid_conversion): New function for target hook.
2799         (arm_invalid_unary_op): New function for target hook.
2800         (arm_invalid_binary_op): New function for target hook.
2801
2802 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2803
2804         * config.gcc: Add arm_bf16.h.
2805         * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment.
2806         (arm_simd_builtin_std_type): Add BFmode.
2807         (arm_init_simd_builtin_types): Define element types for vector types.
2808         (arm_init_bf16_types): New function.
2809         (arm_init_builtins): Add arm_init_bf16_types function call.
2810         * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes.
2811         * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF.
2812         * config/arm/arm.c (aapcs_vfp_sub_candidate):  Add BFmode.
2813         (arm_hard_regno_mode_ok): Add BFmode and tidy up statements.
2814         (arm_vector_mode_supported_p): Add V4BF, V8BF.
2815         (arm_mangle_type):  Add __bf16.
2816         * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE,
2817         VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node,
2818         arm_bf16_ptr_type_node.
2819         * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and
2820         define_split between ARM registers.
2821         * config/arm/arm_bf16.h: New file.
2822         * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
2823         * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New.
2824         (VQXMOV): Add V8BF.
2825         * config/arm/neon.md: Add BF vector types to movhf NEON move patterns.
2826         * config/arm/vfp.md: Add BFmode to movhf patterns.
2827
2828 2020-01-16  Mihail Ionescu  <mihail.ionescu@arm.com>
2829             Andre Vieira  <andre.simoesdiasvieira@arm.com>
2830
2831         * config/arm/arm-cpus.in (mve, mve_float): New features.
2832         (dsp, mve, mve.fp): New options.
2833         * config/arm/arm.h (TARGET_HAVE_MVE, TARGET_HAVE_MVE_FLOAT): Define.
2834         * config/arm/t-rmprofile: Map v8.1-M multilibs to v8-M.
2835         * doc/invoke.texi: Document the armv8.1-m mve and dps options.
2836
2837 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2838             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2839
2840         * config/arm/arm-cpus.in (ARMv8_1m_main): Redefine as an extension to
2841         Armv8-M Mainline.
2842         * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Remove
2843         error for using -mcmse when targeting Armv8.1-M Mainline.
2844
2845 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2846             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2847
2848         * config/arm/arm.md (nonsecure_call_internal): Do not force memory
2849         address in r4 when targeting Armv8.1-M Mainline.
2850         (nonsecure_call_value_internal): Likewise.
2851         * config/arm/thumb2.md (nonsecure_call_reg_thumb2): Make memory address
2852         a register match_operand again.  Emit BLXNS when targeting
2853         Armv8.1-M Mainline.
2854         (nonsecure_call_value_reg_thumb2): Likewise.
2855
2856 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2857             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2858
2859         * config/arm/arm.c (arm_add_cfa_adjust_cfa_note): Declare early.
2860         (cmse_nonsecure_call_inline_register_clear): Define new lazy_fpclear
2861         variable as true when floating-point ABI is not hard.  Replace
2862         check against TARGET_HARD_FLOAT_ABI by checks against lazy_fpclear.
2863         Generate VLSTM and VLLDM instruction respectively before and
2864         after a function call to cmse_nonsecure_call function.
2865         * config/arm/unspecs.md (VUNSPEC_VLSTM): Define unspec.
2866         (VUNSPEC_VLLDM): Likewise.
2867         * config/arm/vfp.md (lazy_store_multiple_insn): New define_insn.
2868         (lazy_load_multiple_insn): Likewise.
2869
2870 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2871             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2872
2873         * config/arm/arm.c (vfp_emit_fstmd): Declare early.
2874         (arm_emit_vfp_multi_reg_pop): Likewise.
2875         (cmse_nonsecure_call_inline_register_clear): Abstract number of VFP
2876         registers to clear in max_fp_regno.  Emit VPUSH and VPOP to save and
2877         restore callee-saved VFP registers.
2878
2879 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2880             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2881
2882         * config/arm/arm.c (arm_emit_multi_reg_pop): Declare early.
2883         (cmse_nonsecure_call_clear_caller_saved): Rename into ...
2884         (cmse_nonsecure_call_inline_register_clear): This.  Save and clear
2885         callee-saved GPRs as well as clear ip register before doing a nonsecure
2886         call then restore callee-saved GPRs after it when targeting
2887         Armv8.1-M Mainline.
2888         (arm_reorg): Adapt to function rename.
2889
2890 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2891             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2892
2893         * config/arm/arm-protos.h (clear_operation_p): Adapt prototype.
2894         * config/arm/arm.c (clear_operation_p): Extend to be able to check a
2895         clear_vfp_multiple pattern based on a new vfp parameter.
2896         (cmse_clear_registers): Generate VSCCLRM to clear VFP registers when
2897         targeting Armv8.1-M Mainline.
2898         (cmse_nonsecure_entry_clear_before_return): Clear VFP registers
2899         unconditionally when targeting Armv8.1-M Mainline architecture.  Check
2900         whether VFP registers are available before looking call_used_regs for a
2901         VFP register.
2902         * config/arm/predicates.md (clear_multiple_operation): Adapt to change
2903         of prototype of clear_operation_p.
2904         (clear_vfp_multiple_operation): New predicate.
2905         * config/arm/unspecs.md (VUNSPEC_VSCCLRM_VPR): New volatile unspec.
2906         * config/arm/vfp.md (clear_vfp_multiple): New define_insn.
2907
2908 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2909             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2910
2911         * config/arm/arm-protos.h (clear_operation_p): Declare.
2912         * config/arm/arm.c (clear_operation_p): New function.
2913         (cmse_clear_registers): Generate clear_multiple instruction pattern if
2914         targeting Armv8.1-M Mainline or successor.
2915         (output_return_instruction): Only output APSR register clearing if
2916         Armv8.1-M Mainline instructions not available.
2917         (thumb_exit): Likewise.
2918         * config/arm/predicates.md (clear_multiple_operation): New predicate.
2919         * config/arm/thumb2.md (clear_apsr): New define_insn.
2920         (clear_multiple): Likewise.
2921         * config/arm/unspecs.md (VUNSPEC_CLRM_APSR): New volatile unspec.
2922
2923 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2924             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2925
2926         * config/arm/arm.c (fp_sysreg_names): Declare and define.
2927         (use_return_insn): Also return false for Armv8.1-M Mainline.
2928         (output_return_instruction): Skip FPSCR clearing if Armv8.1-M
2929         Mainline instructions are available.
2930         (arm_compute_frame_layout): Allocate space in frame for FPCXTNS
2931         when targeting Armv8.1-M Mainline Security Extensions.
2932         (arm_expand_prologue): Save FPCXTNS if this is an Armv8.1-M
2933         Mainline entry function.
2934         (cmse_nonsecure_entry_clear_before_return): Clear IP and r4 if
2935         targeting Armv8.1-M Mainline or successor.
2936         (arm_expand_epilogue): Fix indentation of caller-saved register
2937         clearing.  Restore FPCXTNS if this is an Armv8.1-M Mainline
2938         entry function.
2939         * config/arm/arm.h (TARGET_HAVE_FP_CMSE): New macro.
2940         (FP_SYSREGS): Likewise.
2941         (enum vfp_sysregs_encoding): Define enum.
2942         (fp_sysreg_names): Declare.
2943         * config/arm/unspecs.md (VUNSPEC_VSTR_VLDR): New volatile unspec.
2944         * config/arm/vfp.md (push_fpsysreg_insn): New define_insn.
2945         (pop_fpsysreg_insn): Likewise.
2946
2947 2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
2948             Thomas Preud'homme  <thomas.preudhomme@arm.com>
2949
2950         * config/arm/arm-cpus.in (armv8_1m_main): New feature.
2951         (ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
2952         ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
2953         ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
2954         ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
2955         (ARMv8_1m_main): New feature group.
2956         (armv8.1-m.main): New architecture.
2957         * config/arm/arm-tables.opt: Regenerate.
2958         * config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
2959         (arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
2960         (arm_options_perform_arch_sanity_checks): Error out when targeting
2961         Armv8.1-M Mainline Security Extensions.
2962         * config/arm/arm.h (arm_arch8_1m_main): Declare.
2963
2964 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2965
2966         * config/aarch64/aarch64-simd-builtins.def (aarch64_bfdot,
2967         aarch64_bfdot_lane, aarch64_bfdot_laneq): New.
2968         * config/aarch64/aarch64-simd.md (aarch64_bfdot, aarch64_bfdot_lane,
2969         aarch64_bfdot_laneq): New.
2970         * config/aarch64/arm_bf16.h (vbfdot_f32, vbfdotq_f32,
2971         vbfdot_lane_f32, vbfdotq_lane_f32, vbfdot_laneq_f32,
2972         vbfdotq_laneq_f32): New.
2973         * config/aarch64/iterators.md (UNSPEC_BFDOT, Vbfdottype,
2974         VBFMLA_W, VBF): New.
2975         (isquadop): Add V4BF, V8BF.
2976
2977 2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
2978
2979         * config/aarch64/aarch64-builtins.c: (enum aarch64_type_qualifiers):
2980         New qualifier_lane_quadtup_index, TYPES_TERNOP_SSUS,
2981         TYPES_QUADOPSSUS_LANE_QUADTUP, TYPES_QUADOPSSSU_LANE_QUADTUP.
2982         (aarch64_simd_expand_args): Add case SIMD_ARG_LANE_QUADTUP_INDEX.
2983         (aarch64_simd_expand_builtin): Add qualifier_lane_quadtup_index.
2984         * config/aarch64/aarch64-simd-builtins.def (usdot, usdot_lane,
2985         usdot_laneq, sudot_lane,sudot_laneq): New.
2986         * config/aarch64/aarch64-simd.md (aarch64_usdot): New.
2987         (aarch64_<sur>dot_lane): New.
2988         * config/aarch64/arm_neon.h (vusdot_s32): New.
2989         (vusdotq_s32): New.
2990         (vusdot_lane_s32): New.
2991         (vsudot_lane_s32): New.
2992         * config/aarch64/iterators.md (DOTPROD_I8MM): New iterator.
2993         (UNSPEC_USDOT, UNSPEC_SUDOT): New unspecs.
2994
2995 2020-01-16  Martin Liska  <mliska@suse.cz>
2996
2997         * value-prof.c (dump_histogram_value): Fix
2998         obvious spacing issue.
2999
3000 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3001
3002         * tree-ssa-sccvn.c(vn_reference_lookup_3): Check lhs for
3003         !storage_order_barrier_p.
3004
3005 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3006
3007         * sched-int.h (_dep): Add unused bit-field field for the padding.
3008         * sched-deps.c (init_dep_1): Init unused field.
3009
3010 2020-01-16  Andrew Pinski  <apinski@marvell.com>
3011
3012         * optabs.h (create_expand_operand): Initialize target field also.
3013
3014 2020-01-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3015
3016         PR tree-optimization/92429
3017         * tree-ssa-loop-niter.h (simplify_replace_tree): Add parameter.
3018         * tree-ssa-loop-niter.c (simplify_replace_tree): Add parameter to
3019         control folding.
3020         * tree-vect-loop.c (update_epilogue_vinfo): Do not fold when replacing
3021         tree.
3022
3023 2020-01-16  Richard Sandiford  <richard.sandiford@arm.com>
3024
3025         * config/aarch64/aarch64.c (aarch64_split_sve_subreg_move): Apply
3026         aarch64_sve_int_mode to each mode.
3027
3028 2020-01-15  David Malcolm  <dmalcolm@redhat.com>
3029
3030         * doc/analyzer.texi (Overview): Add note about
3031         -fdump-ipa-analyzer.
3032
3033 2020-01-15  Wilco Dijkstra  <wdijkstr@arm.com>
3034
3035         PR tree-optimization/93231
3036         * tree-ssa-forwprop.c (optimize_count_trailing_zeroes): Check
3037         input_type is unsigned.  Use tree_to_shwi for shift constant.
3038         Check CST_STRING element size is CHAR_TYPE_SIZE bits.
3039         (simplify_count_trailing_zeroes): Add test to handle known non-zero
3040         inputs more efficiently.
3041
3042 2020-01-15  Uroš Bizjak  <ubizjak@gmail.com>
3043
3044         * config/i386/i386.md (*movsf_internal): Do not require
3045         SSE2 ISA for alternatives 14 and 15.
3046
3047 2020-01-15  Richard Biener  <rguenther@suse.de>
3048
3049         PR middle-end/93273
3050         * tree-eh.c (sink_clobbers): If we already visited the destination
3051         block do not defer insertion.
3052         (pass_lower_eh_dispatch::execute): Maintain BB_VISITED for
3053         the purpose of defered insertion.
3054
3055 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3056
3057         * BASE-VER: Bump to 10.0.1.
3058
3059 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3060
3061         PR tree-optimization/93247
3062         * tree-vect-loop.c (update_epilogue_loop_vinfo): Check the access
3063         type of the stmt that we're going to vectorize.
3064
3065 2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3066
3067         * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a
3068         VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent
3069         type from the lhs.
3070
3071 2020-01-15  Martin Liska  <mliska@suse.cz>
3072
3073         * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow
3074         2 calls of streamer_read_hwi in a function call.
3075
3076 2020-01-15  Richard Biener  <rguenther@suse.de>
3077
3078         * alias.c (record_alias_subset): Avoid redundant work when
3079         subset is already recorded.
3080
3081 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3082
3083         * doc/invoke.texi (-fdiagnostics-show-cwe): Add note that some of
3084         the analyzer options provide CWE identifiers.
3085
3086 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3087
3088         * tree-diagnostic-path.cc (path_summary::event_range::print):
3089         When testing for UNKNOWN_LOCATION, look through ad-hoc wrappers
3090         using get_pure_location.
3091
3092 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3093
3094         PR tree-optimization/93262
3095         * tree-ssa-dse.c (maybe_trim_memstar_call): For *_chk builtins,
3096         perform head trimming only if the last argument is constant,
3097         either all ones, or larger or equal to head trim, in the latter
3098         case decrease the last argument by head_trim.
3099
3100         PR tree-optimization/93249
3101         * tree-ssa-dse.c: Include builtins.h and gimple-fold.h.
3102         (maybe_trim_memstar_call): Move head_trim and tail_trim vars to
3103         function body scope, reindent.  For BUILTIN_IN_STRNCPY*, don't
3104         perform head trim unless we can prove there are no '\0' chars
3105         from the source among the first head_trim chars.
3106
3107 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3108
3109         * Makefile.in (ANALYZER_OBJS): Add analyzer/function-set.o.
3110
3111 2020-01-15  Jakub Jelinek  <jakub@redhat.com>
3112
3113         PR target/93009
3114         * config/i386/sse.md
3115         (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1,
3116         *<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1,
3117         *<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1,
3118         *<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1): Use
3119         just a single alternative instead of two, make operands 1 and 2
3120         commutative.
3121
3122 2020-01-14  Jan Hubicka  <hubicka@ucw.cz>
3123
3124         PR lto/91576
3125         * ipa-devirt.c (odr_types_equivalent_p): Compare TREE_ADDRESSABLE and
3126         TYPE_MODE.
3127
3128 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3129
3130         * Makefile.in (lang_opt_files): Add analyzer.opt.
3131         (ANALYZER_OBJS): New.
3132         (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
3133         tristate.o and ANALYZER_OBJS.
3134         (TEXI_GCCINT_FILES): Add analyzer.texi.
3135         * common.opt (-fanalyzer): New driver option.
3136         * config.in: Regenerate.
3137         * configure: Regenerate.
3138         * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
3139         (gccdepdir): Also create depdir for "analyzer" subdir.
3140         * digraph.cc: New file.
3141         * digraph.h: New file.
3142         * doc/analyzer.texi: New file.
3143         * doc/gccint.texi ("Static Analyzer") New menu item.
3144         (analyzer.texi): Include it.
3145         * doc/invoke.texi ("Static Analyzer Options"): New list and new section.
3146         ("Warning Options"): Add static analysis warnings to the list.
3147         (-Wno-analyzer-double-fclose): New option.
3148         (-Wno-analyzer-double-free): New option.
3149         (-Wno-analyzer-exposure-through-output-file): New option.
3150         (-Wno-analyzer-file-leak): New option.
3151         (-Wno-analyzer-free-of-non-heap): New option.
3152         (-Wno-analyzer-malloc-leak): New option.
3153         (-Wno-analyzer-possible-null-argument): New option.
3154         (-Wno-analyzer-possible-null-dereference): New option.
3155         (-Wno-analyzer-null-argument): New option.
3156         (-Wno-analyzer-null-dereference): New option.
3157         (-Wno-analyzer-stale-setjmp-buffer): New option.
3158         (-Wno-analyzer-tainted-array-index): New option.
3159         (-Wno-analyzer-use-after-free): New option.
3160         (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
3161         (-Wno-analyzer-use-of-uninitialized-value): New option.
3162         (-Wanalyzer-too-complex): New option.
3163         (-fanalyzer-call-summaries): New warning.
3164         (-fanalyzer-checker=): New warning.
3165         (-fanalyzer-fine-grained): New warning.
3166         (-fno-analyzer-state-merge): New warning.
3167         (-fno-analyzer-state-purge): New warning.
3168         (-fanalyzer-transitivity): New warning.
3169         (-fanalyzer-verbose-edges): New warning.
3170         (-fanalyzer-verbose-state-changes): New warning.
3171         (-fanalyzer-verbosity=): New warning.
3172         (-fdump-analyzer): New warning.
3173         (-fdump-analyzer-callgraph): New warning.
3174         (-fdump-analyzer-exploded-graph): New warning.
3175         (-fdump-analyzer-exploded-nodes): New warning.
3176         (-fdump-analyzer-exploded-nodes-2): New warning.
3177         (-fdump-analyzer-exploded-nodes-3): New warning.
3178         (-fdump-analyzer-supergraph): New warning.
3179         * doc/sourcebuild.texi (dg-require-dot): New.
3180         (dg-check-dot): New.
3181         * gdbinit.in (break-on-saved-diagnostic): New command.
3182         * graphviz.cc: New file.
3183         * graphviz.h: New file.
3184         * ordered-hash-map-tests.cc: New file.
3185         * ordered-hash-map.h: New file.
3186         * passes.def (pass_analyzer): Add before
3187         pass_ipa_whole_program_visibility.
3188         * selftest-run-tests.c (selftest::run_tests): Call
3189         selftest::ordered_hash_map_tests_cc_tests.
3190         * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
3191         decl.
3192         * shortest-paths.h: New file.
3193         * timevar.def (TV_ANALYZER): New timevar.
3194         (TV_ANALYZER_SUPERGRAPH): Likewise.
3195         (TV_ANALYZER_STATE_PURGE): Likewise.
3196         (TV_ANALYZER_PLAN): Likewise.
3197         (TV_ANALYZER_SCC): Likewise.
3198         (TV_ANALYZER_WORKLIST): Likewise.
3199         (TV_ANALYZER_DUMP): Likewise.
3200         (TV_ANALYZER_DIAGNOSTICS): Likewise.
3201         (TV_ANALYZER_SHORTEST_PATHS): Likewise.
3202         * tree-pass.h (make_pass_analyzer): New decl.
3203         * tristate.cc: New file.
3204         * tristate.h: New file.
3205
3206 2020-01-14  Uroš Bizjak  <ubizjak@gmail.com>
3207
3208         PR target/93254
3209         * config/i386/i386.md (*movsf_internal): Require SSE2 ISA for
3210         alternatives 9 and 10.
3211
3212 2020-01-14  David Malcolm  <dmalcolm@redhat.com>
3213
3214         * attribs.c (excl_hash_traits::empty_zero_p): New static constant.
3215         * gcov.c (function_start_pair_hash::empty_zero_p): Likewise.
3216         * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise.
3217         * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest.
3218         (selftest::hash_map_tests_c_tests): Call it.
3219         * hash-map-traits.h (simple_hashmap_traits::empty_zero_p):
3220         New static constant, using the value of = H::empty_zero_p.
3221         (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value
3222         from default_hash_traits <Value>.
3223         * hash-map.h (hash_map::empty_zero_p): Likewise, using the value
3224         from Traits.
3225         * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise.
3226         * hash-table.h (hash_table::alloc_entries): Guard the loop of
3227         calls to mark_empty with !Descriptor::empty_zero_p.
3228         (hash_table::empty_slow): Conditionalize the memset call with a
3229         check that Descriptor::empty_zero_p; otherwise, loop through the
3230         entries calling mark_empty on them.
3231         * hash-traits.h (int_hash::empty_zero_p): New static constant.
3232         (pointer_hash::empty_zero_p): Likewise.
3233         (pair_hash::empty_zero_p): Likewise.
3234         * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p):
3235         Likewise.
3236         * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise.
3237         (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise.
3238         * profile.c (location_triplet_hash::empty_zero_p): Likewise.
3239         * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise.
3240         (sanopt_tree_couple_hash::empty_zero_p): Likewise.
3241         * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise.
3242         * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise.
3243         * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise.
3244         * tree-vectorizer.h
3245         (default_hash_traits<scalar_cond_masked_key>::empty_zero_p):
3246         Likewise.
3247
3248 2020-01-14  Kewen Lin  <linkw@gcc.gnu.org>
3249
3250         * cfgloopanal.c (average_num_loop_insns): Free bbs when early return,
3251         fix typo on return value.
3252
3253 2020-01-14  Xiong Hu Luo  <luoxhu@linux.ibm.com>
3254
3255         PR ipa/69678
3256         * cgraph.c (symbol_table::create_edge): Init speculative_id and
3257         target_prob.
3258         (cgraph_edge::make_speculative): Add param for setting speculative_id
3259         and target_prob.
3260         (cgraph_edge::speculative_call_info): Update comments and find reference
3261         by speculative_id for multiple indirect targets.
3262         (cgraph_edge::resolve_speculation): Decrease the speculations
3263         for indirect edge, drop it's speculative if not direct target
3264         left. Update comments.
3265         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
3266         (cgraph_node::dump): Print num_speculative_call_targets.
3267         (cgraph_node::verify_node): Don't report error if speculative
3268         edge not include statement.
3269         (cgraph_edge::num_speculative_call_targets_p): New function.
3270         * cgraph.h (int common_target_id): Remove.
3271         (int common_target_probability): Remove.
3272         (num_speculative_call_targets): New variable.
3273         (make_speculative): Add param for setting speculative_id.
3274         (cgraph_edge::num_speculative_call_targets_p): New declare.
3275         (target_prob): New variable.
3276         (speculative_id): New variable.
3277         * ipa-fnsummary.c (analyze_function_body): Create and duplicate
3278           call summaries for multiple speculative call targets.
3279         * cgraphclones.c (cgraph_node::create_clone): Clone speculative_id.
3280         * ipa-profile.c (struct speculative_call_target): New struct.
3281         (class speculative_call_summary): New class.
3282         (class speculative_call_summaries): New class.
3283         (call_sums): New variable.
3284         (ipa_profile_generate_summary): Generate indirect multiple targets summaries.
3285         (ipa_profile_write_edge_summary): New function.
3286         (ipa_profile_write_summary): Stream out indirect multiple targets summaries.
3287         (ipa_profile_dump_all_summaries): New function.
3288         (ipa_profile_read_edge_summary): New function.
3289         (ipa_profile_read_summary_section): New function.
3290         (ipa_profile_read_summary): Stream in indirect multiple targets summaries.
3291         (ipa_profile): Generate num_speculative_call_targets from
3292         profile summaries.
3293         * ipa-ref.h (speculative_id): New variable.
3294         * ipa-utils.c (ipa_merge_profiles): Update with target_prob.
3295         * lto-cgraph.c (lto_output_edge): Remove indirect common_target_id and
3296         common_target_probability.   Stream out speculative_id and
3297         num_speculative_call_targets.
3298         (input_edge): Likewise.
3299         * predict.c (dump_prediction): Remove edges count assert to be
3300         precise.
3301         * symtab.c (symtab_node::create_reference): Init speculative_id.
3302         (symtab_node::clone_references): Clone speculative_id.
3303         (symtab_node::clone_referring): Clone speculative_id.
3304         (symtab_node::clone_reference): Clone speculative_id.
3305         (symtab_node::clear_stmts_in_references): Clear speculative_id.
3306         * tree-inline.c (copy_bb): Duplicate all the speculative edges
3307         if indirect call contains multiple speculative targets.
3308         * value-prof.h  (check_ic_target): Remove.
3309         * value-prof.c  (gimple_value_profile_transformations):
3310         Use void function gimple_ic_transform.
3311         * value-prof.c  (gimple_ic_transform): Handle topn case.
3312         Fix comment typos.  Change it to a void function.
3313
3314 2020-01-13  Andrew Pinski  <apinski@marvell.com>
3315
3316         * config/aarch64/aarch64-cores.def (octeontx2): New define.
3317         (octeontx2t98): New define.
3318         (octeontx2t96): New define.
3319         (octeontx2t93): New define.
3320         (octeontx2f95): New define.
3321         (octeontx2f95n): New define.
3322         (octeontx2f95mm): New define.
3323         * config/aarch64/aarch64-tune.md: Regenerate.
3324         * doc/invoke.texi (-mcpu=): Document the new cpu types.
3325
3326 2020-01-13  Jason Merrill  <jason@redhat.com>
3327
3328         PR c++/33799 - destroy return value if local cleanup throws.
3329         * gimplify.c (gimplify_return_expr): Handle COMPOUND_EXPR.
3330
3331 2020-01-13  Martin Liska  <mliska@suse.cz>
3332
3333         * ipa-cp.c (get_max_overall_size): Use newly
3334         renamed param param_ipa_cp_unit_growth.
3335         * params.opt: Remove legacy param name.
3336
3337 2020-01-13  Martin Sebor  <msebor@redhat.com>
3338
3339         PR tree-optimization/93213
3340         * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
3341         stores to be eliminated.
3342
3343 2020-01-13  Martin Liska  <mliska@suse.cz>
3344
3345         * opts.c (print_help): Do not print CL_PARAM
3346         and CL_WARNING for CL_OPTIMIZATION.
3347
3348 2020-01-13  Jonathan Wakely  <jwakely@redhat.com>
3349
3350         PR driver/92757
3351         * doc/invoke.texi (Warning Options): Add caveat about some warnings
3352         depending on optimization settings.
3353
3354 2020-01-13  Jakub Jelinek  <jakub@redhat.com>
3355
3356         PR tree-optimization/90838
3357         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3358         SCALAR_INT_TYPE_MODE directly in CTZ_DEFINED_VALUE_AT_ZERO macro
3359         argument rather than to initialize temporary for targets that
3360         don't use the mode argument at all.  Initialize ctzval to avoid
3361         warning at -O0.
3362
3363 2020-01-10  Thomas Schwinge  <thomas@codesourcery.com>
3364
3365         * tree.h (OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT): New definition.
3366         * tree-core.h: Document it.
3367         * gimplify.c (gimplify_omp_workshare): Set it.
3368         * omp-low.c (lower_omp_target): Use it.
3369         * tree-pretty-print.c (dump_omp_clause): Print it.
3370
3371         * omp-low.c (lower_omp_target) <OMP_CLAUSE_USE_DEVICE_PTR etc.>:
3372         Assert that for OpenACC we always have 'GOMP_MAP_USE_DEVICE_PTR'.
3373
3374 2020-01-10  David Malcolm  <dmalcolm@redhat.com>
3375
3376         * Makefile.in (OBJS): Add tree-diagnostic-path.o.
3377         * common.opt (fdiagnostics-path-format=): New option.
3378         (diagnostic_path_format): New enum.
3379         (fdiagnostics-show-path-depths): New option.
3380         * coretypes.h (diagnostic_event_id_t): New forward decl.
3381         * diagnostic-color.c (color_dict): Add "path".
3382         * diagnostic-event-id.h: New file.
3383         * diagnostic-format-json.cc (json_from_expanded_location): Make
3384         non-static.
3385         (json_end_diagnostic): Call context->make_json_for_path if it
3386         exists and the diagnostic has a path.
3387         (diagnostic_output_format_init): Clear context->print_path.
3388         * diagnostic-path.h: New file.
3389         * diagnostic-show-locus.c (colorizer::set_range): Special-case
3390         when printing a run of events in a diagnostic_path so that they
3391         all get the same color.
3392         (layout::m_diagnostic_path_p): New field.
3393         (layout::layout): Initialize it.
3394         (layout::print_any_labels): Don't colorize the label text for an
3395         event in a diagnostic_path.
3396         (gcc_rich_location::add_location_if_nearby): Add
3397         "restrict_to_current_line_spans" and "label" params.  Pass the
3398         former to layout.maybe_add_location_range; pass the latter
3399         when calling add_range.
3400         * diagnostic.c: Include "diagnostic-path.h".
3401         (diagnostic_initialize): Initialize context->path_format and
3402         context->show_path_depths.
3403         (diagnostic_show_any_path): New function.
3404         (diagnostic_path::interprocedural_p): New function.
3405         (diagnostic_report_diagnostic): Call diagnostic_show_any_path.
3406         (simple_diagnostic_path::num_events): New function.
3407         (simple_diagnostic_path::get_event): New function.
3408         (simple_diagnostic_path::add_event): New function.
3409         (simple_diagnostic_event::simple_diagnostic_event): New ctor.
3410         (simple_diagnostic_event::~simple_diagnostic_event): New dtor.
3411         (debug): New overload taking a diagnostic_path *.
3412         * diagnostic.def (DK_DIAGNOSTIC_PATH): New.
3413         * diagnostic.h (enum diagnostic_path_format): New enum.
3414         (json::value): New forward decl.
3415         (diagnostic_context::path_format): New field.
3416         (diagnostic_context::show_path_depths): New field.
3417         (diagnostic_context::print_path): New callback field.
3418         (diagnostic_context::make_json_for_path): New callback field.
3419         (diagnostic_show_any_path): New decl.
3420         (json_from_expanded_location): New decl.
3421         * doc/invoke.texi (-fdiagnostics-path-format=): New option.
3422         (-fdiagnostics-show-path-depths): New option.
3423         (-fdiagnostics-color): Add "path" to description of default
3424         GCC_COLORS; describe it.
3425         (-fdiagnostics-format=json): Document how diagnostic paths are
3426         represented in the JSON output format.
3427         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
3428         Add optional params "restrict_to_current_line_spans" and "label".
3429         * opts.c (common_handle_option): Handle
3430         OPT_fdiagnostics_path_format_ and
3431         OPT_fdiagnostics_show_path_depths.
3432         * pretty-print.c: Include "diagnostic-event-id.h".
3433         (pp_format): Implement "%@" format code for printing
3434         diagnostic_event_id_t *.
3435         (selftest::test_pp_format): Add tests for "%@".
3436         * selftest-run-tests.c (selftest::run_tests): Call
3437         selftest::tree_diagnostic_path_cc_tests.
3438         * selftest.h (selftest::tree_diagnostic_path_cc_tests): New decl.
3439         * toplev.c (general_init): Initialize global_dc->path_format and
3440         global_dc->show_path_depths.
3441         * tree-diagnostic-path.cc: New file.
3442         * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Make
3443         non-static.  Drop "diagnostic" param in favor of storing the
3444         original value of "where" and re-using it.
3445         (virt_loc_aware_diagnostic_finalizer): Update for dropped param of
3446         maybe_unwind_expanded_macro_loc.
3447         (tree_diagnostics_defaults): Initialize context->print_path and
3448         context->make_json_for_path.
3449         * tree-diagnostic.h (default_tree_diagnostic_path_printer): New
3450         decl.
3451         (default_tree_make_json_for_path): New decl.
3452         (maybe_unwind_expanded_macro_loc): New decl.
3453
3454 2020-01-10  Jakub Jelinek  <jakub@redhat.com>
3455
3456         PR tree-optimization/93210
3457         * fold-const.h (native_encode_initializer,
3458         can_native_interpret_type_p): Declare.
3459         * fold-const.c (native_encode_string): Fix up handling with off != -1,
3460         simplify.
3461         (native_encode_initializer): New function, moved from dwarf2out.c.
3462         Adjust to native_encode_expr compatible arguments, including dry-run
3463         and partial extraction modes.  Don't handle STRING_CST.
3464         (can_native_interpret_type_p): No longer static.
3465         * gimple-fold.c (fold_ctor_reference): For native_encode_expr, verify
3466         offset / BITS_PER_UNIT fits into int and don't call it if
3467         can_native_interpret_type_p fails.  If suboff is NULL and for
3468         CONSTRUCTOR fold_{,non}array_ctor_reference returns NULL, retry with
3469         native_encode_initializer.
3470         (fold_const_aggregate_ref_1): Formatting fix.
3471         * dwarf2out.c (native_encode_initializer): Moved to fold-const.c.
3472         (tree_add_const_value_attribute): Adjust caller.
3473
3474         PR tree-optimization/90838
3475         * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
3476         SCALAR_INT_TYPE_MODE instead of TYPE_MODE as operand of
3477         CTZ_DEFINED_VALUE_AT_ZERO.
3478
3479 2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>
3480
3481         PR inline-asm/93027
3482         * lra-constraints.c (match_reload): Permit input operands have the
3483         same mode as output while other input operands have a different
3484         mode.
3485
3486 2020-01-10  Wilco Dijkstra  <wdijkstr@arm.com>
3487
3488         PR tree-optimization/90838
3489         * tree-ssa-forwprop.c (check_ctz_array): Add new function.
3490         (check_ctz_string): Likewise.
3491         (optimize_count_trailing_zeroes): Likewise.
3492         (simplify_count_trailing_zeroes): Likewise.
3493         (pass_forwprop::execute): Try ctz simplification.
3494         * match.pd: Add matching for ctz idioms.
3495
3496 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3497
3498         * config/aarch64/aarch64.c (aarch64_invalid_conversion): New function
3499         for target hook.
3500         (aarch64_invalid_unary_op): New function for target hook.
3501         (aarch64_invalid_binary_op): New function for target hook.
3502
3503 2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
3504
3505         * config.gcc: Add arm_bf16.h.
3506         * config/aarch64/aarch64-builtins.c
3507         (aarch64_simd_builtin_std_type): Add BFmode.
3508         (aarch64_init_simd_builtin_types): Define element types for vector
3509         types.
3510         (aarch64_init_bf16_types): New function.
3511         (aarch64_general_init_builtins): Add arm_init_bf16_types function call.
3512         * config/aarch64/aarch64-modes.def: Add BFmode and V4BF, V8BF vector
3513         modes.
3514         * config/aarch64/aarch64-simd-builtin-types.def: Add BF SIMD types.
3515         * config/aarch64/aarch64-simd.md: Add BF vector types to NEON move
3516         patterns.
3517         * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): Add V4BF.
3518         (AARCH64_VALID_SIMD_QREG_MODE): Add V8BF.
3519         * config/aarch64/aarch64.c
3520         (aarch64_classify_vector_mode): Add support for BF types.
3521         (aarch64_gimplify_va_arg_expr): Add support for BF types.
3522         (aarch64_vq_mode): Add support for BF types.
3523         (aarch64_simd_container_mode): Add support for BF types.
3524         (aarch64_mangle_type): Add support for BF scalar type.
3525         * config/aarch64/aarch64.md: Add BFmode to movhf pattern.
3526         * config/aarch64/arm_bf16.h: New file.
3527         * config/aarch64/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
3528         * config/aarch64/iterators.md: Add BF types to mode attributes.
3529         (HFBF, GPF_TF_F16_MOV, VDMOV, VQMOV, VQMOV_NO2Em VALL_F16MOV): New.
3530
3531 2020-01-10  Jason Merrill  <jason@redhat.com>
3532
3533         PR c++/93173 - incorrect tree sharing.
3534         * gimplify.c (copy_if_shared): No longer static.
3535         * gimplify.h: Declare it.
3536
3537 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3538
3539         * doc/invoke.texi (-msve-vector-bits=): Document that
3540         -msve-vector-bits=128 now generates VL-specific code for
3541         little-endian targets.
3542         * config/aarch64/aarch64-sve-builtins.cc (register_builtin_types): Use
3543         build_vector_type_for_mode to construct the data vector types.
3544         * config/aarch64/aarch64.c (aarch64_convert_sve_vector_bits): Generate
3545         VL-specific code for -msve-vector-bits=128 on little-endian targets.
3546         (aarch64_simd_container_mode): Always prefer Advanced SIMD modes
3547         for 128-bit vectors.
3548
3549 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3550
3551         * config/aarch64/aarch64.c (aarch64_evpc_sel): Fix gen_vcond_mask
3552         invocation.
3553
3554 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3555
3556         * config/aarch64/aarch64-builtins.c
3557         (aarch64_builtin_vectorized_function): Check for specific vector modes,
3558         rather than checking the number of elements and the element mode.
3559
3560 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3561
3562         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
3563         get_related_vectype_for_scalar_type rather than build_vector_type
3564         to create the index type for a conditional reduction.
3565
3566 2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>
3567
3568         * tree-vect-loop.c (update_epilogue_loop_vinfo): Update DR_REF
3569         for any type of gather or scatter, including strided accesses.
3570
3571 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3572
3573         * tree-vectorizer.h (get_dr_vinfo_offset): Add missing function
3574          comment.
3575
3576 2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3577
3578         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Use
3579         get_dr_vinfo_offset
3580         * tree-vect-loop.c (update_epilogue_loop_vinfo):  Remove orig_drs_init
3581         parameter and its use to reset DR_OFFSET's.
3582         (vect_transform_loop): Remove orig_drs_init argument.
3583         * tree-vect-loop-manip.c (vect_update_init_of_dr): Update the offset
3584         member of dr_vec_info rather than the offset of the associated
3585         data_reference's innermost_loop_behavior.
3586         (vect_update_init_of_dr): Pass dr_vec_info instead of data_reference.
3587         (vect_do_peeling): Remove orig_drs_init parameter and its construction.
3588         * tree-vect-stmts.c (check_scan_store): Replace use of DR_OFFSET with
3589         get_dr_vinfo_offset.
3590         (vectorizable_store): Likewise.
3591         (vectorizable_load): Likewise.
3592
3593 2020-01-10  Richard Biener  <rguenther@suse.de>
3594
3595         * gimple-ssa-store-merging
3596         (pass_store_merging::terminate_all_aliasing_chains): Cache alias info.
3597
3598 2020-01-10  Martin Liska  <mliska@suse.cz>
3599
3600         PR ipa/93217
3601         * ipa-inline-analysis.c (offline_size): Make proper parenthesis
3602         encapsulation that was there before r280040.
3603
3604 2020-01-10  Richard Biener  <rguenther@suse.de>
3605
3606         PR middle-end/93199
3607         * tree-eh.c (sink_clobbers): Move clobbers to out-of-IL
3608         sequences to avoid walking them again for secondary opportunities.
3609         (pass_lower_eh_dispatch::execute): Instead actually insert
3610         them here.
3611
3612 2020-01-10  Richard Biener  <rguenther@suse.de>
3613
3614         PR middle-end/93199
3615         * tree-eh.c (redirect_eh_edge_1): Avoid some work if possible.
3616         (cleanup_all_empty_eh): Walk landing pads in reverse order to
3617         avoid quadraticness.
3618
3619 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3620
3621         * params.opt (param_ipa_sra_max_replacements): Mark as Optimization.
3622         * ipa-sra.c (pull_accesses_from_callee): New parameter caller, use it
3623         to get param_ipa_sra_max_replacements.
3624         (param_splitting_across_edge): Pass the caller to
3625         pull_accesses_from_callee.
3626
3627 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3628
3629         * params.opt (param_ipcp_unit_growth): Mark as Optimization.
3630         * ipa-cp.c (max_new_size): Removed.
3631         (orig_overall_size): New variable.
3632         (get_max_overall_size): New function.
3633         (estimate_local_effects): Use it.  Adjust dump.
3634         (decide_about_value): Likewise.
3635         (ipcp_propagate_stage): Do not calculate max_new_size, just store
3636         orig_overall_size.  Adjust dump.
3637         (ipa_cp_c_finalize): Clear orig_overall_size instead of max_new_size.
3638
3639 2020-01-10  Martin Jambor  <mjambor@suse.cz>
3640
3641         * params.opt (param_ipa_max_agg_items): Mark as Optimization
3642         * ipa-cp.c (merge_agg_lats_step): New parameter max_agg_items, use
3643         instead of param_ipa_max_agg_items.
3644         (merge_aggregate_lattices): Extract param_ipa_max_agg_items from
3645         optimization info for the callee.
3646
3647 2020-01-09  Kwok Cheung Yeung  <kcy@codesourcery.com>
3648
3649         * lto-streamer-in.c (input_function): Remove streamed-in inline debug
3650         markers if debug_inline_points is false.
3651
3652 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
3653
3654         * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
3655         extra_objs.
3656         * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
3657         aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
3658         aarch64-sve-builtins-sve2.h.
3659         (aarch64-sve-builtins-sve2.o): New rule.
3660         * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
3661         (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
3662         (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
3663         (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
3664         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
3665         TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
3666         TARGET_SVE2_SM4.
3667         * config/aarch64/aarch64-sve.md: Update comments with SVE2
3668         instructions that are handled here.
3669         (@cond_asrd<mode>): Generalize to...
3670         (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
3671         (*cond_asrd<mode>_2): Generalize to...
3672         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
3673         (*cond_asrd<mode>_z): Generalize to...
3674         (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
3675         * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
3676         (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
3677         (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
3678         * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
3679         pattern.
3680         (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3681         (@aarch64_scatter_stnt<mode>): Likewise.
3682         (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
3683         (@aarch64_mul_lane_<mode>): Likewise.
3684         (@aarch64_sve_suqadd<mode>_const): Likewise.
3685         (*<sur>h<addsub><mode>): Generalize to...
3686         (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
3687         new pattern.
3688         (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
3689         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
3690         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
3691         (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
3692         (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
3693         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
3694         (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
3695         (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
3696         (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
3697         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
3698         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
3699         (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
3700         (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
3701         (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
3702         (@aarch64_sve_add_mul_lane_<mode>): Likewise.
3703         (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
3704         (@aarch64_sve2_xar<mode>): Likewise.
3705         (@aarch64_sve2_bcax<mode>): Likewise.
3706         (*aarch64_sve2_eor3<mode>): Rename to...
3707         (@aarch64_sve2_eor3<mode>): ...this.
3708         (@aarch64_sve2_bsl<mode>): New expander.
3709         (@aarch64_sve2_nbsl<mode>): Likewise.
3710         (@aarch64_sve2_bsl1n<mode>): Likewise.
3711         (@aarch64_sve2_bsl2n<mode>): Likewise.
3712         (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
3713         (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
3714         (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
3715         (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
3716         (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
3717         (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
3718         (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
3719         (<su>mull<bt><Vwide>): Generalize to...
3720         (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
3721         pattern.
3722         (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
3723         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
3724         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
3725         (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3726         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
3727         (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3728         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
3729         (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3730         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
3731         (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
3732         (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
3733         (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
3734         (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
3735         (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
3736         (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
3737         (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
3738         (<SHRNB:r>shrnb<mode>): Generalize to...
3739         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
3740         new pattern.
3741         (<SHRNT:r>shrnt<mode>): Generalize to...
3742         (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
3743         new pattern.
3744         (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
3745         (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
3746         (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
3747         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
3748         (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
3749         (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
3750         (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
3751         (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
3752         (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
3753         (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
3754         (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
3755         (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
3756         (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
3757         (@aarch64_sve2_cvtnt<mode>): Likewise.
3758         (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
3759         (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
3760         (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
3761         (@aarch64_sve2_cvtxnt<mode>): Likewise.
3762         (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
3763         (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
3764         (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
3765         (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
3766         (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
3767         (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
3768         (@aarch64_sve2_pmul<mode>): Likewise.
3769         (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
3770         (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
3771         (@aarch64_sve2_tbl2<mode>): Likewise.
3772         (@aarch64_sve2_tbx<mode>): Likewise.
3773         (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
3774         (@aarch64_sve2_histcnt<mode>): Likewise.
3775         (@aarch64_sve2_histseg<mode>): Likewise.
3776         (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
3777         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
3778         (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
3779         (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
3780         (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
3781         (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
3782         (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
3783         (<su>mulh<r>s<mode>3): Update after above pattern name changes.
3784         * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
3785         (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
3786         (SVE2_PMULL_PAIR_I): New mode iterators.
3787         (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
3788         (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
3789         (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
3790         (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
3791         (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
3792         (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
3793         (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
3794         (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
3795         (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
3796         (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
3797         (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
3798         (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
3799         (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
3800         (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
3801         (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
3802         (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
3803         (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
3804         (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
3805         (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
3806         (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
3807         (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
3808         (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
3809         (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
3810         (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
3811         (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
3812         (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
3813         (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
3814         (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
3815         (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
3816         (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
3817         (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
3818         further down file.
3819         (VNARROW, Ventype): New mode attributes.
3820         (Vewtype): Handle VNx2DI.  Fix typo in comment.
3821         (VDOUBLE): New mode attribute.
3822         (sve_lane_con): Handle VNx8HI.
3823         (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
3824         (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
3825         (sve_int_op, sve_int_op_rev): Handle the above codes.
3826         (sve_pred_int_rhs2_operand): Likewise.
3827         (MULLBT, SHRNB, SHRNT): Delete.
3828         (SVE_INT_SHIFT_IMM): New int iterator.
3829         (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
3830         and UNSPEC_WHILEHS for TARGET_SVE2.
3831         (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
3832         (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
3833         (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
3834         (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
3835         (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
3836         (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
3837         (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
3838         (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
3839         (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
3840         (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
3841         (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
3842         (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
3843         (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
3844         (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
3845         (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
3846         (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
3847         (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
3848         (optab): Handle the new unspecs.
3849         (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
3850         and UNSPEC_RSHRNT.
3851         (lr): Handle the new unspecs.
3852         (bt): Delete.
3853         (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
3854         (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
3855         (sve_int_qsub_op): New int attributes.
3856         (sve_fp_op, rot): Handle the new unspecs.
3857         * config/aarch64/aarch64-sve-builtins.h
3858         (function_resolver::require_matching_pointer_type): Declare.
3859         (function_resolver::resolve_unary): Add an optional boolean argument.
3860         (function_resolver::finish_opt_n_resolution): Add an optional
3861         type_suffix_index argument.
3862         (gimple_folder::redirect_call): Declare.
3863         (gimple_expander::prepare_gather_address_operands): Add an optional
3864         bool parameter.
3865         * config/aarch64/aarch64-sve-builtins.cc: Include
3866         aarch64-sve-builtins-sve2.h.
3867         (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
3868         (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
3869         (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
3870         (TYPES_hsd_integer): Use TYPES_hsd_signed.
3871         (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
3872         (TYPES_s_unsigned): Likewise.
3873         (TYPES_s_integer): Use TYPES_s_unsigned.
3874         (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
3875         (TYPES_sd_integer): Use them.
3876         (TYPES_d_unsigned): New macro.
3877         (TYPES_d_integer): Use it.
3878         (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
3879         (TYPES_cvt_narrow): Likewise.
3880         (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
3881         (preds_mx): New variable.
3882         (function_builder::add_overloaded_function): Allow the new feature
3883         set to be more restrictive than the original one.
3884         (function_resolver::infer_pointer_type): Remove qualifiers from
3885         the pointer type before printing it.
3886         (function_resolver::require_matching_pointer_type): New function.
3887         (function_resolver::resolve_sv_displacement): Handle functions
3888         that don't support 32-bit vector indices or svint32_t vector offsets.
3889         (function_resolver::finish_opt_n_resolution): Take the inferred type
3890         as a separate argument.
3891         (function_resolver::resolve_unary): Optionally treat all forms in
3892         the same way as normal merging functions.
3893         (gimple_folder::redirect_call): New function.
3894         (function_expander::prepare_gather_address_operands): Add an argument
3895         that says whether scaled forms are available.  If they aren't,
3896         handle scaling of vector indices and don't add the extension and
3897         scaling operands.
3898         (function_expander::map_to_unspecs): If aarch64_sve isn't available,
3899         fall back to using cond_* instead.
3900         * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
3901         Split out the member variables into...
3902         (rtx_code_function_base): ...this new base class.
3903         (rtx_code_function_rotated): Inherit rtx_code_function_base.
3904         (unspec_based_function): Split out the member variables into...
3905         (unspec_based_function_base): ...this new base class.
3906         (unspec_based_function_rotated): Inherit unspec_based_function_base.
3907         (unspec_based_function_exact_insn): New class.
3908         (unspec_based_add_function, unspec_based_add_lane_function)
3909         (unspec_based_lane_function, unspec_based_pred_function)
3910         (unspec_based_qadd_function, unspec_based_qadd_lane_function)
3911         (unspec_based_qsub_function, unspec_based_qsub_lane_function)
3912         (unspec_based_sub_function, unspec_based_sub_lane_function): New
3913         typedefs.
3914         (unspec_based_fused_function): New class.
3915         (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
3916         (unspec_based_fused_lane_function): New class.
3917         (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
3918         typedefs.
3919         (CODE_FOR_MODE1): New macro.
3920         (fixed_insn_function): New class.
3921         (while_comparison): Likewise.
3922         * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
3923         (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
3924         (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
3925         (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
3926         (load_gather_sv_restricted, shift_left_imm_long): Declare.
3927         (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
3928         (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
3929         (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
3930         (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
3931         (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
3932         (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
3933         (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
3934         (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
3935         * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
3936         Also add an initial argument for unary_convert_narrowt, regardless
3937         of the predication type.
3938         (build_32_64): Allow loads and stores to specify MODE_none.
3939         (build_sv_index64, build_sv_uint_offset): New functions.
3940         (long_type_suffix): New function.
3941         (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
3942         (binary_imm_long_base, load_gather_sv_base): Likewise.
3943         (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
3944         (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
3945         (unary_narrowb_base, unary_narrowt_base): Likewise.
3946         (binary_long_lane_def, binary_long_lane): New shape.
3947         (binary_long_opt_n_def, binary_long_opt_n): Likewise.
3948         (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
3949         (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
3950         (binary_to_uint_def, binary_to_uint): Likewise.
3951         (binary_wide_def, binary_wide): Likewise.
3952         (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
3953         (compare_def, compare): Likewise.
3954         (compare_ptr_def, compare_ptr): Likewise.
3955         (load_ext_gather_index_restricted_def,
3956         load_ext_gather_index_restricted): Likewise.
3957         (load_ext_gather_offset_restricted_def,
3958         load_ext_gather_offset_restricted): Likewise.
3959         (load_gather_sv_def): Inherit from load_gather_sv_base.
3960         (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
3961         (shift_left_imm_def, shift_left_imm): Likewise.
3962         (shift_left_imm_long_def, shift_left_imm_long): Likewise.
3963         (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
3964         (store_scatter_index_restricted_def,
3965         store_scatter_index_restricted): Likewise.
3966         (store_scatter_offset_restricted_def,
3967         store_scatter_offset_restricted): Likewise.
3968         (tbl_tuple_def, tbl_tuple): Likewise.
3969         (ternary_long_lane_def, ternary_long_lane): Likewise.
3970         (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
3971         (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
3972         (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
3973         (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
3974         (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
3975         (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
3976         (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
3977         (ternary_uint_def, ternary_uint): Likewise.
3978         (unary_convert): Fix typo in comment.
3979         (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
3980         (unary_long_def, unary_long): Likewise.
3981         (unary_narrowb_def, unary_narrowb): Likewise.
3982         (unary_narrowt_def, unary_narrowt): Likewise.
3983         (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
3984         (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
3985         (unary_to_int_def, unary_to_int): Likewise.
3986         * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
3987         (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
3988         (svasrd_impl): Delete.
3989         (svcadd_impl::expand): Handle integer operations too.
3990         (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
3991         new functions to derive the unspec numbers.
3992         (svmla_svmls_lane_impl): Replace with...
3993         (svmla_lane_impl, svmls_lane_impl): ...these new classes.  Handle
3994         integer operations too.
3995         (svwhile_impl): Rename to...
3996         (svwhilelx_impl): ...this and inherit from while_comparison.
3997         (svasrd): Use unspec_based_function.
3998         (svmla_lane): Use svmla_lane_impl.
3999         (svmls_lane): Use svmls_lane_impl.
4000         (svrecpe, svrsqrte): Handle unsigned integer operations too.
4001         (svwhilele, svwhilelt): Use svwhilelx_impl.
4002         * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
4003         * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
4004         * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
4005         * config/aarch64/aarch64-sve-builtins.def: Include
4006         aarch64-sve-builtins-sve2.def.
4007
4008 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4009
4010         * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
4011         (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
4012         * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
4013         (aarch64_sve_sqadd_sqsub_immediate_p): Likewise.  Handle scalar
4014         immediates as well as vector ones.
4015         * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
4016         (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
4017         (aarch64_sve_qsub_immediate): Update calls accordingly.
4018
4019 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4020
4021         * config/aarch64/aarch64-sve2.md: Add banner comments.
4022         (<su>mulh<r>s<mode>3): Move further up file.
4023         (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
4024         (*aarch64_sve2_sra<mode>): Move further down file.
4025         * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
4026
4027 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4028
4029         * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
4030         and UNSPEC_WHILEWR.
4031         (while_optab_cmp): Handle them.
4032         * config/aarch64/aarch64-sve.md
4033         (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
4034         and add a "@" marker.
4035         * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
4036         instead of gen_aarch64_sve2_while_ptest.
4037         (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
4038
4039 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4040
4041         * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
4042         (UNSPEC_WHILELE): ...this.
4043         (UNSPEC_WHILE_LO): Rename to...
4044         (UNSPEC_WHILELO): ...this.
4045         (UNSPEC_WHILE_LS): Rename to...
4046         (UNSPEC_WHILELS): ...this.
4047         (UNSPEC_WHILE_LT): Rename to...
4048         (UNSPEC_WHILELT): ...this.
4049         * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
4050         (cmp_op, while_optab_cmp): Likewise.
4051         * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
4052         * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
4053         (svwhilelt): Likewise.
4054
4055 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4056
4057         * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
4058         (unary_to_uint): Define.
4059         * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
4060         (unary_count): Rename to...
4061         (unary_to_uint_def, unary_to_uint): ...this.
4062         * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
4063
4064 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4065
4066         * config/aarch64/aarch64-sve-builtins-functions.h
4067         (code_for_mode_function): New class.
4068         (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
4069         * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
4070         (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
4071         (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
4072         (svmul_lane, svtmad): Use CODE_FOR_MODE0.
4073
4074 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4075
4076         * config/aarch64/iterators.md (addsub): New code attribute.
4077         * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
4078         Re-express as...
4079         (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
4080         in the asm string and attributes.  Fix indentation.
4081         * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
4082         Re-express as...
4083         (@aarch64_sve_<optab><mode>): ...this.
4084         * config/aarch64/aarch64-sve-builtins.h
4085         (function_expander::expand_signed_unpred_op): Delete.
4086         * config/aarch64/aarch64-sve-builtins.cc
4087         (function_expander::expand_signed_unpred_op): Likewise.
4088         (function_expander::map_to_rtx_codes): If the optab isn't defined,
4089         try using code_for_aarch64_sve instead.
4090         * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
4091         (svqsub_impl): Likewise.
4092         (svqadd, svqsub): Use rtx_code_function instead.
4093
4094 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4095
4096         * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
4097         (HADDSUB, sur, addsub): Remove them.
4098
4099 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4100
4101         * tree-nrv.c (pass_return_slot::execute): Handle all internal
4102         functions the same way, rather than singling out those that
4103         aren't mapped directly to optabs.
4104
4105 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
4106
4107         * target.def (compatible_vector_types_p): New target hook.
4108         * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
4109         * hooks.c (hook_bool_const_tree_const_tree_true): New function.
4110         * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
4111         * doc/tm.texi: Regenerate.
4112         * gimple-expr.c: Include target.h.
4113         (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
4114         * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
4115         function.
4116         (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
4117         * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
4118         Use the original predicate if it already has a suitable type.
4119
4120 2020-01-09  Martin Jambor  <mjambor@suse.cz>
4121
4122         * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
4123         resolve_speculation and redirect_call_stmt_to_callee static.  Change
4124         return type of set_call_stmt to cgraph_edge *.
4125         * auto-profile.c (afdo_indirect_call): Adjust call to
4126         redirect_call_stmt_to_callee.
4127         * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
4128         make the this pointer explicit, adjust self-recursive calls and the
4129         call top make_direct.  Return the resulting edge.
4130         (cgraph_edge::remove): Make this pointer explicit.
4131         (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
4132         (cgraph_edge::make_direct): Likewise, adjust call to
4133         resolve_speculation.
4134         (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
4135         call to set_call_stmt.
4136         (cgraph_update_edges_for_call_stmt_node): Update call to
4137         set_call_stmt and remove.
4138         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
4139         Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
4140         (cgraph_node::create_edge_including_clones): Moved "first" definition
4141         of edge to the block where it was used.  Adjusted calls to
4142         set_call_stmt.
4143         (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
4144         cgraph_edge::remove.
4145         * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
4146         make_direct and redirect_call_stmt_to_callee.
4147         * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
4148         resolve_speculation and make_direct.
4149         * ipa-inline-transform.c (inline_transform): Adjust call to
4150         redirect_call_stmt_to_callee.
4151         (check_speculations_1):: Adjust call to resolve_speculation.
4152         * ipa-inline.c (resolve_noninline_speculation): Adjust call to
4153         resolve-speculation.
4154         (inline_small_functions): Adjust call to resolve_speculation.
4155         (ipa_inline): Likewise.
4156         * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
4157         make_direct.
4158         * ipa-visibility.c (function_and_variable_visibility): Make iteration
4159         safe with regards to edge removal, adjust calls to
4160         redirect_call_stmt_to_callee.
4161         * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
4162         and redirect_call_stmt_to_callee.
4163         * multiple_target.c (create_dispatcher_calls): Adjust call to
4164         redirect_call_stmt_to_callee
4165         (redirect_to_specific_clone): Likewise.
4166         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
4167         Adjust calls to cgraph_edge::remove.
4168         * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
4169         (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
4170         (expand_call_inline): Adjust call to cgraph_edge::remove.
4171
4172 2020-01-09  Martin Liska  <mliska@suse.cz>
4173
4174         * params.opt: Set Optimization for
4175         param_max_speculative_devirt_maydefs.
4176
4177 2020-01-09  Martin Sebor  <msebor@redhat.com>
4178
4179         PR middle-end/93200
4180         PR fortran/92956
4181         * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
4182
4183 2020-01-09  Martin Liska  <mliska@suse.cz>
4184
4185         * auto-profile.c (auto_profile): Use opt_for_fn
4186         for a parameter.
4187         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
4188         (propagate_vals_across_arith_jfunc): Likewise.
4189         (hint_time_bonus): Likewise.
4190         (incorporate_penalties): Likewise.
4191         (good_cloning_opportunity_p): Likewise.
4192         (perform_estimation_of_a_value): Likewise.
4193         (estimate_local_effects): Likewise.
4194         (ipcp_propagate_stage): Likewise.
4195         * ipa-fnsummary.c (decompose_param_expr): Likewise.
4196         (set_switch_stmt_execution_predicate): Likewise.
4197         (analyze_function_body): Likewise.
4198         * ipa-inline-analysis.c (offline_size): Likewise.
4199         * ipa-inline.c (early_inliner): Likewise.
4200         * ipa-prop.c (ipa_analyze_node): Likewise.
4201         (ipcp_transform_function): Likewise.
4202         * ipa-sra.c (process_scan_results): Likewise.
4203         (ipa_sra_summarize_function): Likewise.
4204         * params.opt: Rename ipcp-unit-growth to
4205         ipa-cp-unit-growth.  Add Optimization for various
4206         IPA-related parameters.
4207
4208 2020-01-09  Richard Biener  <rguenther@suse.de>
4209
4210         PR middle-end/93054
4211         * gimplify.c (gimplify_expr): Deal with NOP definitions.
4212
4213 2020-01-09  Richard Biener  <rguenther@suse.de>
4214
4215         PR tree-optimization/93040
4216         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
4217
4218 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
4219
4220         * common/config/avr/avr-common.c (avr_option_optimization_table)
4221         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
4222
4223 2020-01-09  Martin Liska  <mliska@suse.cz>
4224
4225         * cgraphclones.c (symbol_table::materialize_all_clones):
4226         Use cgraph_node::dump_name.
4227
4228 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
4229
4230         PR inline-asm/93202
4231         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
4232         output_operand_lossage instead of gcc_unreachable.
4233         * doc/md.texi (riscv f constraint): Fix typo.
4234
4235         PR target/93141
4236         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
4237         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
4238         CONST_SCALAR_INT_P instead of CONST_INT_P.
4239         (*subv<mode>4_1): Rename to ...
4240         (subv<mode>4_1): ... this.
4241         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4242         define_insn_and_split patterns.
4243         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4244         patterns.
4245
4246 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4247
4248         * vec.c (class selftest::count_dtor): New class.
4249         (selftest::test_auto_delete_vec): New test.
4250         (selftest::vec_c_tests): Call it.
4251         * vec.h (class auto_delete_vec): New class template.
4252         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
4253
4254 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4255
4256         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
4257
4258 2020-01-08  Jim Wilson  <jimw@sifive.com>
4259
4260         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
4261         use of TLS_MODEL_LOCAL_EXEC when not pic.
4262
4263 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
4264
4265         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
4266         memory leak.
4267
4268 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
4269
4270         PR target/93187
4271         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
4272         *stack_protect_set_3 peephole2): Also check that the second
4273         insns source is general_operand.
4274
4275         PR target/93174
4276         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
4277         predicate for output operand instead of register_operand.
4278         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
4279         memory destination and non-memory operands[2].
4280
4281 2020-01-08  Martin Liska  <mliska@suse.cz>
4282
4283         * cgraph.c (cgraph_node::dump): Use ::dump_name or
4284         ::dump_asm_name instead of (::name or ::asm_name).
4285         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
4286         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
4287         (analyze_functions): Likewise.
4288         (expand_all_functions): Likewise.
4289         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
4290         (propagate_bits_across_jump_function): Likewise.
4291         (dump_profile_updates): Likewise.
4292         (ipcp_store_bits_results): Likewise.
4293         (ipcp_store_vr_results): Likewise.
4294         * ipa-devirt.c (dump_targets): Likewise.
4295         * ipa-fnsummary.c (analyze_function_body): Likewise.
4296         * ipa-hsa.c (check_warn_node_versionable): Likewise.
4297         (process_hsa_functions): Likewise.
4298         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
4299         (set_alias_uids): Likewise.
4300         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4301         * ipa-inline.c (recursive_inlining): Likewise.
4302         (inline_to_all_callers_1): Likewise.
4303         (ipa_inline): Likewise.
4304         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
4305         (ipa_propagate_frequency): Likewise.
4306         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
4307         (remove_described_reference): Likewise.
4308         * ipa-pure-const.c (worse_state): Likewise.
4309         (check_retval_uses): Likewise.
4310         (analyze_function): Likewise.
4311         (propagate_pure_const): Likewise.
4312         (propagate_nothrow): Likewise.
4313         (dump_malloc_lattice): Likewise.
4314         (propagate_malloc): Likewise.
4315         (pass_local_pure_const::execute): Likewise.
4316         * ipa-visibility.c (optimize_weakref): Likewise.
4317         (function_and_variable_visibility): Likewise.
4318         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
4319         (ipa_discover_variable_flags): Likewise.
4320         * lto-streamer-out.c (output_function): Likewise.
4321         (output_constructor): Likewise.
4322         * tree-inline.c (copy_bb): Likewise.
4323         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4324         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
4325
4326 2020-01-08  Richard Biener  <rguenther@suse.de>
4327
4328         PR middle-end/93199
4329         * tree-eh.c (sink_clobbers): Update virtual operands for
4330         the first and last stmt only.  Add a dry-run capability.
4331         (pass_lower_eh_dispatch::execute): Perform clobber sinking
4332         after CFG manipulations and in RPO order to catch all
4333         secondary opportunities reliably.
4334
4335 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4336
4337         PR target/93182
4338         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4339
4340 2019-01-08  Richard Biener  <rguenther@suse.de>
4341
4342         PR middle-end/93199
4343         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
4344         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
4345         virtual operand, also updating SSA use.
4346         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
4347         Update stmt after resetting virtual operand.
4348         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
4349         * gimple-iterator.c (gsi_remove): When not removing the stmt
4350         permanently do not delink immediate uses or mark the stmt modified.
4351
4352 2020-01-08  Martin Liska  <mliska@suse.cz>
4353
4354         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
4355         (ipa_call_context::estimate_size_and_time): Likewise.
4356         (inline_analyze_function): Likewise.
4357
4358 2020-01-08  Martin Liska  <mliska@suse.cz>
4359
4360         * cgraph.c (cgraph_node::dump): Use systematically
4361         dump_asm_name.
4362
4363 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4364
4365         Add -nodevicespecs option for avr.
4366
4367         PR target/93182
4368         * config/avr/avr.opt (-nodevicespecs): New driver option.
4369         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
4370         "-specs=device-specs/..." if that option is not set.
4371         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
4372
4373 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
4374
4375         Implement 64-bit double functions for avr.
4376
4377         PR target/92055
4378         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
4379         --with-double-comparison.
4380         * doc/install.texi: Document them.
4381         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
4382         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
4383         <WITH_DOUBLE_COMPARISON>: New built-in defines.
4384         * doc/invoke.texi (AVR Built-in Macros): Document them.
4385         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
4386         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
4387         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
4388
4389 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
4390
4391         PR target/93188
4392         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
4393         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
4394         when only building rm-profile multilibs.
4395
4396 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
4397
4398         PR ipa/93084
4399         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
4400         lattice for a value to check.
4401         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
4402         finite propagation in self-recursive scc.
4403
4404 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4405
4406         * ipa-inline.c (caller_growth_limits): Restore the AND.
4407
4408 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4409
4410         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
4411         (VEC_ALLREG_ALT): New iterator.
4412         (VEC_ALLREG_INT_MODE): New iterator.
4413         (VCMP_MODE): New iterator.
4414         (VCMP_MODE_INT): New iterator.
4415         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
4416         (vec_cmp<u>v64qidi): New define_expand.
4417         (vec_cmp<mode>di_exec): Use VCMP_MODE.
4418         (vec_cmpu<mode>di_exec): New define_expand.
4419         (vec_cmp<u>v64qidi_exec): New define_expand.
4420         (vec_cmp<mode>di_dup): Use VCMP_MODE.
4421         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
4422         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
4423         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
4424         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
4425         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
4426         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
4427         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
4428         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
4429         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
4430         this.
4431         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
4432         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
4433
4434 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
4435
4436         * config/gcn/constraints.md (DA): Update description and match.
4437         (DB): Likewise.
4438         (Db): New constraint.
4439         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
4440         parameter.
4441         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
4442         Implement 'Db' mixed immediate type.
4443         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
4444         (addcv64si3_dup<exec_vcc>): Delete.
4445         (subcv64si3<exec_vcc>): Rework constraints.
4446         (addv64di3): Rework constraints.
4447         (addv64di3_exec): Rework constraints.
4448         (subv64di3): Rework constraints.
4449         (addv64di3_dup): Delete.
4450         (addv64di3_dup_exec): Delete.
4451         (addv64di3_zext): Rework constraints.
4452         (addv64di3_zext_exec): Rework constraints.
4453         (addv64di3_zext_dup): Rework constraints.
4454         (addv64di3_zext_dup_exec): Rework constraints.
4455         (addv64di3_zext_dup2): Rework constraints.
4456         (addv64di3_zext_dup2_exec): Rework constraints.
4457         (addv64di3_sext_dup2): Rework constraints.
4458         (addv64di3_sext_dup2_exec): Rework constraints.
4459
4460 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4461
4462         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
4463         existing target checks.
4464
4465 2020-01-07  Richard Biener  <rguenther@suse.de>
4466
4467         * doc/install.texi: Bump minimal supported MPC version.
4468
4469 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4470
4471         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
4472         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
4473         * langhooks.c: Include stor-layout.h.
4474         (lhd_simulate_enum_decl): New function.
4475         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
4476         handle_arm_sve_h for the LTO frontend.
4477         (register_vector_type): Cope with null returns from pushdecl.
4478
4479 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4480
4481         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
4482         (aarch64_sve::nvectors_if_data_type): Replace with...
4483         (aarch64_sve::builtin_type_p): ...this.
4484         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
4485         (find_vector_type): Delete.
4486         (add_sve_type_attribute): New function.
4487         (lookup_sve_type_attribute): Likewise.
4488         (register_builtin_types): Add an "SVE type" attribute to each type.
4489         (register_tuple_type): Likewise.
4490         (svbool_type_p, nvectors_if_data_type): Delete.
4491         (mangle_builtin_type): Use lookup_sve_type_attribute.
4492         (builtin_type_p): Likewise.  Add an overload that returns the
4493         number of constituent vector and predicate registers.
4494         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
4495         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
4496         instead of aarch64_sve_argument_p.
4497         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
4498         (aarch64_pass_by_reference): Likewise.
4499         (aarch64_function_value_1): Likewise.
4500         (aarch64_return_in_memory): Likewise.
4501         (aarch64_layout_arg): Likewise.
4502
4503 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
4504
4505         PR tree-optimization/93156
4506         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
4507         least significant bit is always clear.
4508
4509         PR tree-optimization/93118
4510         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
4511         simplifier with two intermediate conversions.
4512
4513 2020-01-07  Martin Liska  <mliska@suse.cz>
4514
4515         * params.opt: Add Optimization for various parameters.
4516
4517 2020-01-07  Martin Liska  <mliska@suse.cz>
4518
4519         PR ipa/83411
4520         * doc/extend.texi: Explain cloning for target_clone
4521         attribute.
4522
4523 2020-01-07  Martin Liska  <mliska@suse.cz>
4524
4525         PR tree-optimization/92860
4526         * common.opt: Make in Optimization option
4527         as it is affected by -O0, which is an Optimization
4528         option.
4529         * tree-inline.c (tree_inlinable_function_p):
4530         Use opt_for_fn for warn_inline.
4531         (expand_call_inline): Likewise.
4532
4533 2020-01-07  Martin Liska  <mliska@suse.cz>
4534
4535         PR tree-optimization/92860
4536         * common.opt: Make flag_ree as optimization
4537         attribute.
4538
4539 2020-01-07  Martin Liska  <mliska@suse.cz>
4540
4541         PR optimization/92860
4542         * params.opt: Mark param_min_crossjump_insns with Optimization
4543         keyword.
4544
4545 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
4546
4547         * ipa-inline-analysis.c (estimate_growth): Fix typo.
4548         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
4549
4550 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
4551
4552         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
4553         helper function to return the valid addressing formats for a given
4554         hard register and mode.
4555         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
4556
4557         * config/rs6000/constraints.md (Q constraint): Update
4558         documentation.
4559         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
4560         documentation.
4561
4562         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
4563         Use 'Q' for doing vector extract from memory.
4564         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
4565         memory.
4566         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
4567         doing vector extract from memory.
4568         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
4569         extract from memory.
4570
4571         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
4572         for the offset being 34-bits when -mcpu=future is used.
4573
4574 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
4575
4576         * config/pa/pa.md: Revert change to use ordered_comparison_operator
4577         instead of cmpib_comparison_operator in cmpib patterns.
4578         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
4579         of cmpib_comparison_operator.  Revise comment.
4580
4581 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4582
4583         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
4584         in an IFN_DIV_POW2 node to be equal.
4585
4586 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4587
4588         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
4589         (vect_check_scalar_mask): ...this.
4590         (vectorizable_store, vectorizable_load): Update call accordingly.
4591         (vectorizable_call): Use vect_check_scalar_mask to check the mask
4592         argument in calls to conditional internal functions.
4593
4594 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4595
4596         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
4597         '0' matching inputs.
4598         (subv64di3_exec): Likewise.
4599
4600 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
4601
4602         * config/mips/mips.c (vr4130_align_insns): Fix typo.
4603         * doc/md.texi (movstr): Likewise.
4604
4605 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4606
4607         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
4608         clobber.
4609
4610 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4611
4612         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
4613         Depend on...
4614         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
4615         to a temporary file and use move-if-change to update the real
4616         file where necessary.
4617
4618 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
4619
4620         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
4621         rather than Upa for CPY /M.
4622
4623 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
4624
4625         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
4626         immediate.
4627
4628 2020-01-06  Martin Liska  <mliska@suse.cz>
4629
4630     PR tree-optimization/92860
4631     * params.opt: Mark param_max_combine_insns with Optimization
4632     keyword.
4633
4634 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
4635
4636         PR target/93141
4637         * config/i386/i386.md (SWIDWI): New mode iterator.
4638         (DWI, dwi): Add TImode variants.
4639         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4640         <general_hilo_operand> instead of <general_operand>.  Use
4641         CONST_SCALAR_INT_P instead of CONST_INT_P.
4642         (*addv<mode>4_1): Rename to ...
4643         (addv<mode>4_1): ... this.
4644         (QWI): New mode attribute.
4645         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
4646         define_insn_and_split patterns.
4647         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
4648         patterns.
4649         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
4650         <general_hilo_operand> instead of <general_operand>.
4651         (*addcarry<mode>_1): New define_insn.
4652         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
4653
4654 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
4655
4656         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
4657         Use "call" instead of "set".
4658
4659 2020-01-03  Martin Jambor  <mjambor@suse.cz>
4660
4661         PR ipa/92917
4662         * ipa-cp.c (print_all_lattices): Skip functions without info.
4663
4664 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
4665
4666         PR target/93089
4667         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
4668         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
4669         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
4670         for 'e' simd clones.
4671
4672         PR target/93089
4673         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
4674         entry.
4675         (mprefer-vector-width=): Add Save.
4676         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
4677         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
4678         (ix86_debug_options, ix86_function_specific_print): Adjust
4679         ix86_target_string callers.
4680         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
4681         (ix86_valid_target_attribute_tree): Likewise.
4682         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
4683         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
4684         ix86_target_string caller.
4685
4686         PR target/93110
4687         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
4688         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
4689         instead of gen_int_shift_amount + convert_modes.
4690
4691         PR rtl-optimization/93088
4692         * loop-iv.c (find_single_def_src): Punt after looking through
4693         128 reg copies for regs with single definitions.  Move definitions
4694         to first uses.
4695
4696 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
4697
4698         * config/arm/arm-c.c (arm_cpu_builtins): Define
4699         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
4700         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
4701         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
4702         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
4703         * config/arm/arm-tables.opt: Regenerated.
4704         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
4705         arm_arch_i8mm and arm_arch_bf16 when enabled.
4706         * config/arm/arm.h (TARGET_I8MM): New macro.
4707         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
4708         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
4709         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
4710         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
4711         (v8_6_a_simd_variants): New.
4712         (v8_*_a_simd_variants): Add i8mm and bf16.
4713         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
4714
4715 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
4716
4717         PR ipa/93087
4718         * predict.c (compute_function_frequency): Don't call
4719         warn_function_cold on functions that already have cold attribute.
4720
4721 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
4722
4723         PR target/67834
4724         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
4725         COMDAT group function labels in .data.rel.ro.local section.
4726         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
4727
4728         PR target/93111
4729         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
4730         comparison_operator in B and S integer comparisons.  Likewise, use
4731         ordered_comparison_operator instead of cmpib_comparison_operator in
4732         cmpib patterns.
4733         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
4734
4735 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
4736
4737         Update copyright years.
4738
4739         * gcc.c (process_command): Update copyright notice dates.
4740         * gcov-dump.c (print_version): Ditto.
4741         * gcov.c (print_version): Ditto.
4742         * gcov-tool.c (print_version): Ditto.
4743         * gengtype.c (create_file): Ditto.
4744         * doc/cpp.texi: Bump @copying's copyright year.
4745         * doc/cppinternals.texi: Ditto.
4746         * doc/gcc.texi: Ditto.
4747         * doc/gccint.texi: Ditto.
4748         * doc/gcov.texi: Ditto.
4749         * doc/install.texi: Ditto.
4750         * doc/invoke.texi: Ditto.
4751
4752 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
4753
4754         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
4755         summary.
4756
4757 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
4758
4759         PR tree-optimization/93098
4760         * match.pd (popcount): For shift amounts, use integer_onep
4761         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
4762         tests.  Make sure that precision is power of two larger than or equal
4763         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
4764         instead of ULL suffixed constants.  Formatting fixes.
4765 \f
4766 Copyright (C) 2020 Free Software Foundation, Inc.
4767
4768 Copying and distribution of this file, with or without modification,
4769 are permitted in any medium without royalty provided the copyright
4770 notice and this notice are preserved.