gcc/ChangeLog

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