gcc/ChangeLog

   1 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
   2
   3         * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
   4         constraints > 9.
   5         * ira-lives.c (single_reg_class): Ditto.
   6
   7 2021-03-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>
   8
   9         * config.gcc (aarch64-*-rtems*): Include general rtems.h after
  10         the architecture-specific rtems.h.
  11         (aarch64-*-rtems*): Likewise.
  12         (arm*-*-rtems*): Likewise.
  13         (epiphany-*-rtems*): Likewise.
  14         (riscv*-*-rtems*): Likewise.
  15
  16 2021-03-09  Jakub Jelinek  <jakub@redhat.com>
  17
  18         PR tree-optimization/99305
  19         * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
  20         before integer_all_onesp instead of vice versa.
  21
  22 2021-03-09  Richard Earnshaw  <rearnsha@arm.com>
  23
  24         * common/config/arm/arm-common.c (arm_config_default): Change type
  25         of 'i' to unsigned.
  26
  27 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
  28
  29         PR target/99454
  30         * lra-constraints.c (process_address_1): Process constraint 'g'
  31         separately and digital constraints containing more one digit.
  32
  33 2021-03-09  Nick Clifton  <nickc@redhat.com>
  34
  35         * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
  36         (DWARF"_DEBUGGING_INFO): Define.
  37
  38 2021-03-09  Eric Botcazou  <ebotcazou@adacore.com>
  39
  40         PR c++/90448
  41         * calls.c (initialize_argument_information): When the argument
  42         is passed by reference, do not make a copy in a thunk only if
  43         the argument is already in memory.  Remove redundant test for
  44         the case of callee copy.
  45
  46 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
  47
  48         PR target/99454
  49         * lra-constraints.c (process_address_1): Process 0..9 constraints
  50         in process_address_1.
  51
  52 2021-03-09  Andreas Krebbel  <krebbel@linux.ibm.com>
  53
  54         * config/s390/s390.c (struct s390_processor processor_table):
  55         Binutils name string must not be empty.
  56
  57 2021-03-09  Claudiu Zissulescu  <claziss@synopsys.com>
  58
  59         * config/arc/arc.c (arc_attr_type): Remove function.
  60
  61 2021-03-09  Martin Liska  <mliska@suse.cz>
  62
  63         PR target/99464
  64         * config/i386/i386-options.c (ix86_option_override_internal):
  65         Set isa_flags for OPTS argument and not for the global
  66         global_options.
  67
  68 2021-03-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
  69
  70         * config/rs6000/predicates.md (ds_form_mem_operand): Check
  71         in correct code.
  72
  73 2021-03-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
  74
  75         PR target/99070
  76         * config/rs6000/predicates.md (ds_form_mem_operand) New
  77         predicate.
  78         * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
  79         ds_form_mem_operand in ld/lwa patterns.
  80         * config/rs6000/fusion.md: Regenerate file.
  81
  82 2021-03-08  Martin Sebor  <msebor@redhat.com>
  83
  84         PR middle-end/98266
  85         * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
  86         (array_bounds_checker::check_array_bounds): Call it.
  87
  88 2021-03-08  Martin Sebor  <msebor@redhat.com>
  89
  90         PR middle-end/97631
  91         * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
  92         (handle_builtin_stxncpy_strncat): Rename locals.  Determine
  93         destination size from allocation calls.  Issue a more appropriate
  94         kind of warning.
  95         (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
  96         (handle_builtin_memset): Same.
  97
  98 2021-03-08  Peter Bergner  <bergner@linux.ibm.com>
  99
 100         PR target/98959
 101         * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
 102         to ensure we do not have an Altivec style address.
 103         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
 104         an Altivec style address.
 105         (*vsx_le_perm_store_<mode>): Likewise.
 106         (splitters after *vsx_le_perm_store_<mode>): Likewise.
 107         (vsx_load_<mode>): Disable special expander if passed an Altivec
 108         style address.
 109         (vsx_store_<mode>): Likewise.
 110
 111 2021-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 112
 113         PR target/99437
 114         * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
 115         (aarch64_simd_shift_imm_vec_hi): Likewise.
 116         (aarch64_simd_shift_imm_vec_si): Likewise.
 117         (aarch64_simd_shift_imm_vec_di): Likewise.
 118         * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
 119         predicate from above.
 120         (aarch64_shrn<mode>_insn_be): Likewise.
 121         (aarch64_rshrn<mode>_insn_le): Likewise.
 122         (aarch64_rshrn<mode>_insn_be): Likewise.
 123         (aarch64_shrn2<mode>_insn_le): Likewise.
 124         (aarch64_shrn2<mode>_insn_be): Likewise.
 125         (aarch64_rshrn2<mode>_insn_le): Likewise.
 126         (aarch64_rshrn2<mode>_insn_be): Likewise.
 127
 128 2021-03-08  Vladimir N. Makarov  <vmakarov@redhat.com>
 129
 130         PR target/99422
 131         * lra-constraints.c (skip_contraint_modifiers): New function.
 132         (process_address_1): Use it before lookup_constraint call.
 133
 134 2021-03-08  Martin Liska  <mliska@suse.cz>
 135
 136         PR target/99463
 137         * config/i386/i386-options.c (ix86_option_override_internal):
 138         Enable UINTR and HRESET for -march that supports it.
 139
 140 2021-03-08  Ilya Leoshkevich  <iii@linux.ibm.com>
 141
 142         * config/s390/s390.c (f_constraint_p): New function.
 143         (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
 144         (TARGET_MD_ASM_ADJUST): Likewise.
 145
 146 2021-03-08  Tobias Burnus  <tobias@codesourcery.com>
 147
 148         PR fortran/97927
 149         * tree-nested.c (convert_local_reference_stmt): Avoid calling
 150         lookup_field_for_decl for Fortran module (= namespace context).
 151
 152 2021-03-08  Andreas Krebbel  <krebbel@linux.ibm.com>
 153
 154         * config/s390/s390.c (s390_expand_vec_compare): Implement <0
 155         comparison with arithmetic right shift.
 156         (s390_expand_vcond): No need for a force_reg anymore.
 157         s390_vec_compare will do it.
 158         * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
 159         immediate operands.
 160
 161 2021-03-07  Jakub Jelinek  <jakub@redhat.com>
 162
 163         PR target/99321
 164         * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
 165         but TARGET_AVX512BW or TARGET_AVX512VL is not set.  Adjust description
 166         and comment.
 167         * config/i386/sse.md (v_Yw): New define_mode_attr.
 168         (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
 169         *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
 170         in constraints.
 171         * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
 172         xYw in constraints.
 173
 174 2021-03-06  Julian Brown  <julian@codesourcery.com>
 175
 176         * tree-pretty-print.c (dump_generic_node): Emit non-generic
 177         address space info for aggregates.
 178
 179 2021-03-06  Hans-Peter Nilsson  <hp@axis.com>
 180
 181         * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
 182
 183 2021-03-05  Jakub Jelinek  <jakub@redhat.com>
 184
 185         PR middle-end/99322
 186         * tree-cfg.c (bb_to_omp_idx): New variable.
 187         (execute_build_cfg): Release the bb_to_omp_idx vector after
 188         cleanup_tree_cfg returns.
 189         (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
 190         for bb_to_omp_idx being a vec<int> instead of pointer to array
 191         of ints.
 192         (make_edges): Remove bb_to_omp_idx local variable, don't pass
 193         it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
 194         vec<int> instead of pointer to array of ints and don't free/release
 195         it at the end.
 196         (remove_bb): When removing a bb and placing forced label somewhere
 197         else, ensure it is put into the same OpenMP region during cfg
 198         pass if possible or to entry successor as fallback.  Unregister
 199         bb from bb_to_omp_idx.
 200
 201 2021-03-05  Vladimir N. Makarov  <vmakarov@redhat.com>
 202
 203         PR target/99378
 204         * lra-constraints.c (process_address_1): Skip decomposing address
 205         for asm insn operand with unknown constraint.
 206
 207 2021-03-05  Martin Jambor  <mjambor@suse.cz>
 208
 209         PR ipa/98078
 210         * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
 211         corresponding speculative edges if we are about to resolve
 212         sepculation.  Make edge direct (and so resolve speculations) before
 213         removing it from call_site_hash.
 214         (cgraph_edge::make_direct): Relax the initial assert to allow calling
 215         the function on speculative direct edges.
 216
 217 2021-03-05  Eric Botcazou  <ebotcazou@adacore.com>
 218
 219         PR rtl-optimization/99376
 220         * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
 221         of low-order zero bits is too large, set the result to 0 directly.
 222
 223 2021-03-04  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR middle-end/93235
 226         * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
 227         SUBREG and a SUBREG to op_mode can't be created.
 228
 229 2021-03-04  Alex Coplan  <alex.coplan@arm.com>
 230
 231         PR target/99381
 232         * config/aarch64/aarch64-sve-builtins.cc
 233         (function_resolver::require_vector_type): Handle error_mark_node.
 234
 235 2021-03-04  Ilya Leoshkevich  <iii@linux.ibm.com>
 236
 237         * cfgexpand.c (expand_asm_loc): Pass new parameter.
 238         (expand_asm_stmt): Likewise.
 239         * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
 240         parameter.
 241         * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
 242         * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
 243         * config/cris/cris.c (cris_md_asm_adjust): Likewise.
 244         * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
 245         * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
 246         * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
 247         * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
 248         * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
 249         * config/vax/vax.c (vax_md_asm_adjust): Likewise.
 250         * config/visium/visium.c (visium_md_asm_adjust): Likewise.
 251         * doc/tm.texi (md_asm_adjust): Likewise.
 252         * target.def (md_asm_adjust): Likewise.
 253
 254 2021-03-04  Richard Biener  <rguenther@suse.de>
 255
 256         PR middle-end/97855
 257         * tree-pretty-print.c: Poison pp_printf.
 258         (dump_decl_name): Avoid use of pp_printf.
 259         (dump_block_node): Likewise.
 260         (dump_generic_node): Likewise.
 261
 262 2021-03-04  Martin Sebor  <msebor@redhat.com>
 263
 264         PR middle-end/96963
 265         PR middle-end/94655
 266         * builtins.c (handle_array_ref): New helper.
 267         (handle_mem_ref): New helper.
 268         (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
 269         into new helper functions.  Correct a workaround for vectorized
 270         assignments.
 271
 272 2021-03-03  Pat Haugen  <pthaugen@linux.ibm.com>
 273
 274         * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
 275         floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
 276         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
 277         *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
 278         attribute for Power10.
 279         * config/rs6000/mma.md (*movoo): Likewise.
 280         * config/rs6000/rs6000.md (define_attr "size"): Add 256.
 281         (define_mode_attr bits): Add DD/TD modes.
 282         * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
 283         store_conditionalpti): Update size attribute for Power10.
 284
 285 2021-03-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 286
 287         PR bootstrap/92002
 288         * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
 289         -Wuninitialized, -Wmaybe-uninitialized.
 290         (wide-int.o-warn): Likewise.
 291
 292 2021-03-03  Richard Earnshaw  <rearnsha@arm.com>
 293
 294         * common/config/arm/arm-common.c: Include configargs.h.
 295         (arm_config_default): New function.
 296         (arm_target_mode): Renamed from arm_target_thumb_only.  Handle
 297         processors that do not support Thumb.  Take into account the
 298         --with-mode configuration setting for selecting the default.
 299         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
 300         (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
 301
 302 2021-03-03  Martin Liska  <mliska@suse.cz>
 303
 304         PR gcov-profile/97461
 305         * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
 306
 307 2021-03-03  Eric Botcazou  <ebotcazou@adacore.com>
 308
 309         PR target/99234
 310         * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
 311         point back the hard frame pointer to its default location when the
 312         frame is larger than SEH_MAX_FRAME_SIZE.
 313
 314 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
 315
 316         PR target/99321
 317         * config/i386/predicates.md (logic_operator): New define_predicate.
 318         * config/i386/i386.md (mov + mem using comm arith peephole2):
 319         Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
 320         and the inner mode is [QH]Imode.
 321
 322 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
 323
 324         PR debug/99090
 325         * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
 326         (new_loc_list): Clear end_entry.
 327         (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
 328         if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx.  Fix comment
 329         typo.
 330         (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
 331         initialize also end_entry.
 332
 333 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
 334
 335         PR target/99085
 336         * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
 337         partitions, if in non-layout mode after reorder_blocks also move
 338         affected blocks to ensure a single partition transition.
 339
 340 2021-03-03  Jason Merrill  <jason@redhat.com>
 341
 342         PR c++/96078
 343         * cgraphunit.c (process_function_and_variable_attributes): Don't
 344         warn about flatten on an alias if the target also has it.
 345         * cgraph.h (symtab_node::get_alias_target_tree): New.
 346
 347 2021-03-02  David Edelsohn  <dje.gcc@gmail.com>
 348
 349         * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
 350         period to symbol name.
 351         (tls_get_addr_internal<mode>): Same.
 352
 353 2021-03-02  David Malcolm  <dmalcolm@redhat.com>
 354
 355         PR c/99323
 356         * diagnostic-show-locus.c
 357         (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
 358         column 0.
 359
 360 2021-03-02  Martin Sebor  <msebor@redhat.com>
 361
 362         PR middle-end/99276
 363         * builtins.c (warn_for_access): Remove stray warning text.
 364
 365 2021-03-02  Martin Sebor  <msebor@redhat.com>
 366
 367         PR middle-end/99295
 368         * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
 369         property.
 370
 371 2021-03-02  Jakub Jelinek  <jakub@redhat.com>
 372
 373         PR debug/99319
 374         * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
 375         -gdwarf-5 -gstrict-dwarf.  For -gsplit-dwarf -gdwarf-5 use
 376         DW_MACRO_*_strx instead of DW_MACRO_*_strp.  Handle
 377         DW_MACRO_define_strx and DW_MACRO_undef_strx.
 378         (save_macinfo_strings): Use DW_MACRO_*_str* even with
 379         -gdwarf-5 -gstrict-dwarf.  Handle DW_MACRO_define_strx and
 380         DW_MACRO_undef_strx.
 381
 382 2021-03-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 383
 384         * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
 385         builtin signature.
 386         (BT_FN_V8HI_V8HI_UINT): Likewise.
 387         (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
 388         * config/s390/s390-builtins.def (B_NNPA): New macro definition.
 389         (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
 390         New builtin definitions.
 391         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
 392         vector extension version.
 393         * config/s390/s390.c (s390_expand_builtin): Check if builtins are
 394         available with current -march level.
 395         * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
 396         (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
 397         (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
 398         * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
 399         (vec_extend_to_fp32_lo): Likewise.
 400         (vec_round_from_fp32): Likewise.
 401         (vec_convert_to_fp16): Likewise.
 402         (vec_convert_from_fp16): Likewise.
 403         * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
 404         (vclfnls_v8hi): Likewise.
 405         (vcrnfs_v8hi): Likewise.
 406         (vcfn_v8hi): Likewise.
 407         (vcnf_v8hi): Likewise.
 408
 409 2021-03-02  Andreas Krebbel  <krebbel@linux.ibm.com>
 410
 411         * common/config/s390/s390-common.c (processor_flags_table): New entry.
 412         * config.gcc: Enable arch14 for --with-arch and --with-tune.
 413         * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
 414         arch14 for unknown CPU models.
 415         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
 416         * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
 417         (s390_get_sched_attrmask): Likewise.
 418         (s390_get_unit_mask): Likewise.
 419         * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
 420         (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
 421         (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
 422         (TARGET_NNPA_P): New macro definitions.
 423         * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
 424         * config/s390/s390.opt: Add PROCESSOR_ARCH14.
 425
 426 2021-03-02  Jakub Jelinek  <jakub@redhat.com>
 427
 428         PR middle-end/95757
 429         * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
 430         condition.  Call register_edge_assert_for_1 for == 0, != 0, == 1 and
 431         != 1 comparisons if name is lhs of a comparison.
 432
 433 2021-03-01  Iain Sandoe  <iain@sandoe.co.uk>
 434
 435         PR target/44107
 436         PR target/48097
 437         * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
 438         * config/darwin.c (darwin_should_restore_cfa_state): New.
 439         * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
 440         * doc/tm.texi: Regenerated.
 441         * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
 442         * dwarf2cfi.c (connect_traces): If the target requests, restore
 443         the CFA expression after a DW_CFA_restore.
 444         * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
 445
 446 2021-03-01  Martin Liska  <mliska@suse.cz>
 447
 448         PR target/99313
 449         * optc-save-gen.awk: Add 4 more exceptions.
 450
 451 2021-03-01  Nathan Sidwell  <nathan@acm.org>
 452
 453         PR c++/99294
 454         * tree.h (TYPE_ALIGN_RAW): New accessor.
 455         (TYPE_ALIGN): Use it.
 456
 457 2021-03-01  Jan Hubicka  <jh@suse.cz>
 458
 459         PR ipa/98338
 460         * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
 461
 462 2021-03-01  Eric Botcazou  <ebotcazou@adacore.com>
 463
 464         PR target/99234
 465         * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
 466         point the hard frame pointer to the SSE register save area instead
 467         of the general register save area.  Perform only minimal adjustment
 468         for small frames if it is initially not correctly aligned.
 469         (ix86_expand_prologue): Remove early saves for a SEH target.
 470         * config/i386/winnt.c (struct seh_frame_state): Document constraint.
 471
 472 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
 473
 474         PR c/99304
 475         * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
 476         typo - referneced -> referenced.
 477         * tree.c (component_ref_size): Fix comment typo -
 478         refernce -> reference.
 479         * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
 480         traling -> trailing.
 481         (aliasing_component_refs_p): Fix comment typos -
 482         refernce -> reference and refernece -> reference and
 483         traling -> trailing.
 484         (nonoverlapping_refs_since_match_p): Fix comment typo -
 485         referneces -> references.
 486         * doc/invoke.texi (--param modref-max-bases): Fix a typo -
 487         referneces -> references.
 488
 489 2021-02-27  Iain Sandoe  <iain@sandoe.co.uk>
 490
 491         * config/host-darwin.c (darwin_gt_pch_use_address): Modify
 492         diagnostic message to avoid use of a contraction and format
 493         warning.
 494
 495 2021-02-27  Jakub Jelinek  <jakub@redhat.com>
 496
 497         PR other/99288
 498         * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
 499         HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
 500         * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
 501         HOST_WIDE_INT_PRINT_DEC in inform format string.  Fix comment
 502         typos.
 503
 504 2021-02-26  Richard Biener  <rguenther@suse.de>
 505
 506         PR middle-end/99281
 507         * expr.c (store_field): For calls with return-slot optimization
 508         and addressable return type expand the store directly.
 509
 510 2021-02-26  Richard Biener  <rguenther@suse.de>
 511
 512         PR c/99275
 513         * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
 514
 515 2021-02-26  Peter Bergner  <bergner@linux.ibm.com>
 516
 517         PR target/99279
 518         * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
 519         with an "if" test.
 520
 521 2021-02-26  Aaron Sawdey  <acsawdey@linux.ibm.com>
 522
 523         * config.gcc: Add rs6000-pcrel-opt.o.
 524         * config/rs6000/rs6000-pcrel-opt.c: New file.
 525         * config/rs6000/pcrel-opt.md: New file.
 526         * config/rs6000/predicates.md: Add d_form_memory predicate.
 527         * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
 528         * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
 529         * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
 530         pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
 531         and make_pass_pcrel_opt().
 532         * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
 533         (rs6000_option_override_internal): Add pcrel-opt.
 534         (rs6000_delegitimize_address): Support pcrel-opt.
 535         (rs6000_opt_masks): Add pcrel-opt.
 536         (pcrel_opt_valid_mem_p): New function.
 537         (reg_to_non_prefixed): Make global.
 538         (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
 539         (output_pcrel_opt_reloc): New function.
 540         * config/rs6000/rs6000.md (loads_extern_addr): New attr.
 541         (pcrel_extern_addr): Set loads_extern_addr.
 542         Add include for pcrel-opt.md.
 543         * config/rs6000/rs6000.opt: Add -mpcrel-opt.
 544         * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
 545         pcrel-opt.md.
 546
 547 2021-02-26  YunQiang Su  <yunqiang.su@cipunited.com>
 548
 549         PR target/98996
 550         * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
 551         If TARGET_64BIT and dest is SUBREG, we check the width, if it
 552         equal to SImode, we use SImode operation, just like what we are
 553         doing for REG one.
 554
 555 2021-02-26  Marek Polacek  <polacek@redhat.com>
 556
 557         * builtins.c (warn_for_access): Fix typos.
 558
 559 2021-02-25  Iain Sandoe  <iain@sandoe.co.uk>
 560
 561         * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
 562         mark in front of the immediate quantity.
 563         (<optab>_rolsi3_uxtw): Likewise.
 564
 565 2021-02-25  Richard Earnshaw  <rearnsha@arm.com>
 566
 567         PR target/99271
 568         * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
 569         (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
 570         (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
 571         address and disable when the FPCXT is not available.
 572         (nonsecure_call_value_reg_thumb2): Likewise.
 573
 574 2021-02-25  Nathan Sidwell  <nathan@acm.org>
 575
 576         PR c++/99166
 577         * doc/invoke.texi (flang-info-module-cmi): Renamed option.
 578
 579 2021-02-25  Tamar Christina  <tamar.christina@arm.com>
 580
 581         * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
 582
 583 2021-02-25  Richard Biener  <rguenther@suse.de>
 584
 585         PR tree-optimization/99253
 586         * tree-vect-loop.c (check_reduction_path): First compute
 587         code, then verify out-of-loop uses.
 588
 589 2021-02-25  Jakub Jelinek  <jakub@redhat.com>
 590
 591         PR target/95798
 592         * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
 593
 594 2021-02-25  Jakub Jelinek  <jakub@redhat.com>
 595
 596         PR tree-optimization/80635
 597         * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
 598         VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
 599         has mode precision.
 600
 601 2021-02-25  Richard Biener  <rguenther@suse.de>
 602
 603         * tree-vect-slp.c (optimize_load_redistribution_1): Delay
 604         load_map population.
 605         (vect_match_slp_patterns_2): Revert part of last change.
 606         (vect_analyze_slp): Do not interleave optimize_load_redistribution
 607         with pattern detection but do it afterwards.  Dump the
 608         whole SLP graph after pattern recognition and load
 609         redistribution optimization finished.
 610
 611 2021-02-24  Jakub Jelinek  <jakub@redhat.com>
 612
 613         PR fortran/99226
 614         * omp-low.c (struct omp_context): Add teams_nested_p and
 615         nonteams_nested_p members.
 616         (scan_omp_target): Diagnose teams nested inside of target with other
 617         directives strictly nested inside of the same target.
 618         (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
 619         ctx->nonteams_nested_p as needed.
 620
 621 2021-02-24  Vladimir N. Makarov  <vmakarov@redhat.com>
 622
 623         PR inline-asm/99123
 624         * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
 625
 626 2021-02-24  Hans-Peter Nilsson  <hp@axis.com>
 627
 628         * config/cris/cris.c (cris_expand_prologue): Set
 629         current_function_static_stack_size, if flag_stack_usage_info.
 630
 631 2021-02-24  Pat Haugen  <pthaugen@linux.ibm.com>
 632
 633         * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
 634         (rs6000_final_prescan_insn): Adjust.
 635         (rs6000_asm_output_opcode): Likewise.
 636
 637 2021-02-24  Martin Sebor  <msebor@redhat.com>
 638
 639         PR middle-end/97172
 640         * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
 641         from function arguments.
 642
 643 2021-02-24  Tamar Christina  <tamar.christina@arm.com>
 644
 645         PR tree-optimization/99220
 646         * tree-vect-slp.c (optimize_load_redistribution_1): Remove
 647         node from cache when it's about to be deleted.
 648
 649 2021-02-24  Jakub Jelinek  <jakub@redhat.com>
 650
 651         PR tree-optimization/99225
 652         * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
 653         to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
 654         build_int_cst (..., 1).  Formatting fixes.
 655
 656 2021-02-24  Tamar Christina  <tamar.christina@arm.com>
 657
 658         PR tree-optimization/99149
 659         * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
 660         buffer.
 661         (vect_slp_reset_pattern): Remove.
 662         (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
 663         (complex_mul_pattern::build, complex_fma_pattern::build,
 664         complex_fms_pattern::build): Fix ref counts.
 665         * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
 666         when node is being deleted.
 667         (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
 668         (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
 669         stores.
 670         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
 671
 672 2021-02-24  Matthias Klose  <doko@ubuntu.com>
 673
 674         Revert:
 675         2020-12-07  Matthias Klose  <doko@ubuntu.com>
 676
 677         * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
 678         and ENABLE_RTL_FLAG_CHECKING.
 679
 680 2021-02-24  Richard Biener  <rguenther@suse.de>
 681
 682         PR c/99224
 683         * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
 684
 685 2021-02-23  Peter Bergner  <bergner@linux.ibm.com>
 686
 687         * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
 688         (vsx_assemble_pair): ...to this.
 689         (*mma_assemble_pair): Rename from this...
 690         (*vsx_assemble_pair): ...to this.
 691         (mma_disassemble_pair): Rename from this...
 692         (vsx_disassemble_pair): ...to this.
 693         (*mma_disassemble_pair): Rename from this...
 694         (*vsx_disassemble_pair): ...to this.
 695         * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
 696         BU_COMPAT): New macros.
 697         (mma_assemble_pair): Rename from this...
 698         (vsx_assemble_pair): ...to this.
 699         (mma_disassemble_pair): Rename from this...
 700         (vsx_disassemble_pair): ...to this.
 701         (mma_assemble_pair): New compatibility built-in.
 702         (mma_disassemble_pair): Likewise.
 703         * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
 704         (RS6000_BUILTIN_COMPAT): Define.
 705         (bdesc_compat): New.
 706         (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
 707         (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
 708         and VSX_BUILTIN_ASSEMBLE_PAIR.
 709         (rs6000_init_builtins): Register compatibility built-ins.
 710         (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
 711         VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
 712         VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
 713         * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
 714         (__builtin_vsx_assemble_pair): ...to this.
 715         (__builtin_mma_disassemble_pair): Rename from this...
 716         (__builtin_vsx_disassemble_pair): ...to this.
 717
 718 2021-02-23  Martin Liska  <mliska@suse.cz>
 719
 720         PR sanitizer/99168
 721         * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
 722         with different alignment. That leads to an invalid red zone
 723         size allocated in runtime.
 724
 725 2021-02-23  Jakub Jelinek  <jakub@redhat.com>
 726
 727         PR tree-optimization/99204
 728         * fold-const.c (fold_read_from_constant_string): Check that
 729         tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
 730
 731 2021-02-23  Segher Boessenkool  <segher@kernel.crashing.org>
 732             Kewen Lin  <linkw@gcc.gnu.org>
 733
 734         * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
 735         (rotl<mode>3_insert_3): ...this.
 736         (plus_ior_xor): New code_iterator.
 737         (define_split for GPR rl*imi): New splitter.
 738         * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
 739         for integer merging.
 740
 741 2021-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 742
 743         * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
 744         Define.
 745         * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
 746         into a register when the above is enabled.
 747         * config/aarch64/aarch64.c (neoversev1_tunings):
 748         AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
 749         (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
 750
 751 2021-02-22  Hans-Peter Nilsson  <hp@axis.com>
 752
 753         * config/cris/cris.c (cris_print_operand) <'T'>: Change
 754         valid operand from is now an addi mult-value to shift-value.
 755         * config/cris/cris.md (*addi): Change expression of scaled
 756         operand from mult to ashift.
 757         * config/cris/cris.md (*addi_reload): New insn_and_split.
 758
 759 2021-02-22  John David Anglin  <danglin@gcc.gnu.org>
 760
 761         PR target/85074
 762         * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
 763         hook_bool_const_tree_hwi_hwi_const_tree_true.
 764         (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
 765
 766 2021-02-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 767
 768         PR rtl-optimization/98791
 769         * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
 770         for unordered modes.
 771
 772 2021-02-22  Martin Liska  <mliska@suse.cz>
 773
 774         * tree-inline.c (inline_forbidden_p): Set
 775         inline_forbidden_reason.
 776
 777 2021-02-22  Richard Biener  <rguenther@suse.de>
 778
 779         * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
 780         costed subgraph.
 781
 782 2021-02-22  Richard Biener  <rguenther@suse.de>
 783
 784         PR tree-optimization/99165
 785         * gimple-ssa-store-merging.c (pass_store_merging::process_store):
 786         Accumulate changed to ret.
 787
 788 2021-02-21  Uros Bizjak  <ubizjak@gmail.com>
 789
 790         Revert:
 791         2020-12-09  Uroš Bizjak  <ubizjak@gmail.com>
 792
 793         * config/i386/i386.h (REG_ALLOC_ORDER): Remove
 794
 795 2021-02-20  Ilya Leoshkevich  <iii@linux.ibm.com>
 796
 797         PR target/99134
 798         * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
 799         pattern.
 800         (trunctf<DFP_ALL:mode>2): Likewise.
 801         (trunctdtf2_vr): Likewise.
 802         (trunctdtf2): Likewise.
 803         (extend<DFP_ALL:mode>tf2_vr): Likewise.
 804         (extend<DFP_ALL:mode>tf2): Likewise.
 805         (extendtftd2_vr): Likewise.
 806         (extendtftd2): Likewise.
 807
 808 2021-02-20  Ilya Leoshkevich  <iii@linux.ibm.com>
 809
 810         * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
 811         add memory alternative.
 812         (tf_to_fprx2): New pattern.
 813
 814 2021-02-19  Martin Sebor  <msebor@redhat.com>
 815
 816         PR c/97172
 817         * attribs.c (init_attr_rdwr_indices): Guard vblist use.
 818         (attr_access::free_lang_data): Remove a spurious test.
 819
 820 2021-02-19  Nathan Sidwell  <nathan@acm.org>
 821
 822         * doc/invoke.texi (flang-info-module-read): Document.
 823
 824 2021-02-19  Martin Liska  <mliska@suse.cz>
 825
 826         PR translation/99167
 827         * params.opt: Fix typo.
 828
 829 2021-02-19  Richard Biener  <rguenther@suse.de>
 830
 831         PR middle-end/99122
 832         * tree-inline.c (inline_forbidden_p): Do not inline functions
 833         with VLA arguments or return value.
 834
 835 2021-02-19  Jakub Jelinek  <jakub@redhat.com>
 836
 837         PR target/98998
 838         * config/arm/arm.md (*stack_protect_combined_set_insn,
 839         *stack_protect_combined_test_insn): If force_const_mem result
 840         is not valid general operand, force its address into the destination
 841         register first.
 842
 843 2021-02-19  Jakub Jelinek  <jakub@redhat.com>
 844
 845         PR ipa/99034
 846         * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
 847         pad or non-local label, put FORCED_LABELs from bb b after that label
 848         rather than before it.
 849
 850 2021-02-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 851
 852         PR target/98657
 853         * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
 854         expand_vector_broadcast' to emit the vec_duplicate operand.
 855
 856 2021-02-18  Vladimir N. Makarov  <vmakarov@redhat.com>
 857
 858         PR rtl-optimization/96264
 859         * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
 860         hard regs.
 861
 862 2021-02-18  H.J. Lu  <hjl.tools@gmail.com>
 863
 864         PR target/99113
 865         * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
 866         looking up the retain attribute.
 867         (resolve_unique_section): Likewise.
 868         (get_variable_section): Likewise.
 869         (switch_to_section): Likewise.  Warn when a symbol without the
 870         retain attribute and a symbol with the retain attribute are
 871         placed in the section with the same name, instead of the used
 872         attribute.
 873         * doc/extend.texi: Document the "retain" attribute.
 874
 875 2021-02-18  Nathan Sidwell  <nathan@acm.org>
 876
 877         PR c++/99023
 878         * doc/invoke.texi (flang-info-include-translate): Document header
 879         lookup behaviour.
 880
 881 2021-02-18  Richard Biener  <rguenther@suse.de>
 882
 883         PR middle-end/99122
 884         * ipa-fnsummary.c (analyze_function_body): Set
 885         CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
 886         * tree-inline.c (insert_init_debug_bind): Pass NULL for
 887         error_mark_node values.
 888         (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
 889         values.
 890         (setup_one_parameter): Delay force_value_to_type until when
 891         it's needed.
 892
 893 2021-02-18  Hans-Peter Nilsson  <hp@axis.com>
 894
 895         PR tree-optimization/99142
 896         * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
 897
 898 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
 899
 900         * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
 901         wide_int_bitmask::wide_int_bitmask (uint64_t),
 902         wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
 903         wide_int_bitmask::operator ~ () const,
 904         wide_int_bitmask::operator | (wide_int_bitmask) const,
 905         wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
 906         instead of inline.
 907         * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
 908         PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
 909         PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
 910         PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
 911         PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
 912         PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
 913         PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
 914         PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
 915         PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
 916         PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
 917         PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
 918         PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
 919         PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
 920         PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
 921         PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
 922         PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
 923         PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
 924         PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
 925         PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
 926         PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
 927         PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
 928         PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
 929         PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
 930         PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
 931
 932 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
 933
 934         PR middle-end/99109
 935         * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
 936         (build_printable_array_type): ... this.  Add nelts argument.  For
 937         overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead.  If
 938         nelts, call build_array_type_nelts.
 939         (array_bounds_checker::check_mem_ref): Use build_printable_array_type
 940         instead of build_zero_elt_array_type and build_array_type_nelts.
 941
 942 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
 943
 944         PR target/99104
 945         * config/i386/i386.c (distance_non_agu_define): Don't call
 946         extract_insn_cached here.
 947         (ix86_lea_outperforms): Save and restore recog_data around call
 948         to distance_non_agu_define and distance_agu_use.
 949         (ix86_ok_to_clobber_flags): Remove.
 950         (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
 951         (ix86_avoid_lea_for_addr): Likewise.  Adjust function comment.
 952         * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
 953         into define_insn.  Move the splitting to define_peephole2 and
 954         check there using peep2_regno_dead_p if FLAGS_REG is dead.
 955
 956 2021-02-17  Julian Brown  <julian@codesourcery.com>
 957
 958         * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
 959         for non-decls.
 960
 961 2021-02-17  Xi Ruoyao  <xry111@mengyan1223.wang>
 962
 963         PR target/98491
 964         * config/mips/mips.c (mips_symbol_insns): Do not use
 965         MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
 966
 967 2021-02-16  Vladimir N. Makarov  <vmakarov@redhat.com>
 968
 969         PR inline-asm/98096
 970         * stmt.c (resolve_operand_name_1): Take inout operands into account
 971         for access to labels by names.
 972         * doc/extend.texi: Describe counting operands for accessing labels.
 973
 974 2021-02-16  Richard Biener  <rguenther@suse.de>
 975
 976         PR tree-optimization/38474
 977         * tree-ssa-structalias.c (variable_info::address_taken): New.
 978         (new_var_info): Initialize address_taken.
 979         (process_constraint): Set address_taken.
 980         (solve_constraints): Use the new address_taken flag rather
 981         than is_reg_var for sorting variables.
 982         (dump_constraint): Dump the variable number if the name
 983         is just NULL.
 984
 985 2021-02-16  Jakub Jelinek  <jakub@redhat.com>
 986
 987         PR target/99100
 988         * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
 989         multiply by 4096 and for inbranch by 8192.
 990         * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
 991         return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
 992
 993 2021-02-15  Maya Rashish  <coypu@sdf.org>
 994
 995         * config/aarch64/aarch64.c (aarch64_init_builtins):
 996         Call SUBTARGET_INIT_BUILTINS.
 997
 998 2021-02-15  Peter Bergner  <bergner@linux.ibm.com>
 999
1000         PR rtl-optimization/98872
1001         * init-regs.c (initialize_uninitialized_regs): Skip initialization
1002         if CONST0_RTX is NULL.
1003
1004 2021-02-15  Richard Sandiford  <richard.sandiford@arm.com>
1005
1006         PR rtl-optimization/98863
1007         * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
1008         (function_info::build_info): Turn into a declaration, moving the
1009         definition to internals.h.
1010         (function_info::bb_walker): Declare.
1011         (function_info::create_reg_use): Likewise.
1012         (function_info::calculate_potential_phi_regs): Take a build_info
1013         parameter.
1014         (function_info::place_phis, function_info::create_ebbs): Declare.
1015         (function_info::calculate_ebb_live_in_for_debug): Likewise.
1016         (function_info::populate_backedge_phis): Delete.
1017         (function_info::start_block, function_info::end_block): Declare.
1018         (function_info::populate_phi_inputs): Delete.
1019         (function_info::m_potential_phi_regs): Move information to build_info.
1020         * rtl-ssa/internals.h: New file.
1021         (function_info::bb_phi_info): New class.
1022         (function_info::build_info): Moved from functions.h.
1023         Add a constructor and destructor.
1024         (function_info::build_info::ebb_use): Delete.
1025         (function_info::build_info::ebb_def): Likewise.
1026         (function_info::build_info::bb_live_out): Likewise.
1027         (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
1028         (function_info::build_info::potential_phi_regs): Likewise.
1029         (function_info::build_info::potential_phi_regs_for_debug): Likewise.
1030         (function_info::build_info::ebb_def_regs): Likewise.
1031         (function_info::build_info::bb_phis): Likewise.
1032         (function_info::build_info::bb_mem_live_out): Likewise.
1033         (function_info::build_info::bb_to_rpo): Likewise.
1034         (function_info::build_info::def_stack): Likewise.
1035         (function_info::build_info::old_def_stack_limit): Likewise.
1036         * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
1037         Remove the regno argument.  Push the previous definition onto the
1038         definition stack where necessary.
1039         * rtl-ssa/accesses.cc: Include internals.h.
1040         * rtl-ssa/changes.cc: Likewise.
1041         * rtl-ssa/blocks.cc: Likewise.
1042         (function_info::build_info::build_info): Define.
1043         (function_info::build_info::~build_info): Likewise.
1044         (function_info::bb_walker): New class.
1045         (function_info::bb_walker::bb_walker): Define.
1046         (function_info::add_live_out_use): Convert a logarithmic-complexity
1047         test into a linear one.  Allow the same definition to be passed
1048         multiple times.
1049         (function_info::calculate_potential_phi_regs): Moved from
1050         functions.cc.  Take a build_info parameter and store the
1051         information there instead.
1052         (function_info::place_phis): New function.
1053         (function_info::add_entry_block_defs): Update call to record_reg_def.
1054         (function_info::calculate_ebb_live_in_for_debug): New function.
1055         (function_info::add_phi_nodes): Use bb_phis to decide which
1056         registers need phi nodes and initialize ebb_def_regs accordingly.
1057         Do not add degenerate phis here.
1058         (function_info::add_artificial_accesses): Use create_reg_use.
1059         Assert that all definitions are listed in the DF LR sets.
1060         Update call to record_reg_def.
1061         (function_info::record_block_live_out): Record live-out register
1062         values in the phis of successor blocks.  Use the live-out set
1063         when processing the last block in an EBB, instead of always
1064         using the live-in sets of successor blocks.  AND the live sets
1065         with the set of registers that have been defined in the EBB,
1066         rather than with all potential phi registers.  Cope correctly
1067         with branches back to the start of the current EBB.
1068         (function_info::start_block): New function.
1069         (function_info::end_block): Likewise.
1070         (function_info::populate_phi_inputs): Likewise.
1071         (function_info::create_ebbs): Likewise.
1072         (function_info::process_all_blocks): Rewrite into a multi-phase
1073         process.
1074         * rtl-ssa/functions.cc: Include internals.h.
1075         (function_info::calculate_potential_phi_regs): Move to blocks.cc.
1076         (function_info::init_function_data): Remove caller.
1077         * rtl-ssa/insns.cc: Include internals.h
1078         (function_info::create_reg_use): New function.  Lazily any
1079         degenerate phis needed by the linear RPO view.
1080         (function_info::record_use): Use create_reg_use.  When processing
1081         debug uses, use potential_phi_regs and test it before checking
1082         whether the register is live on entry to the current EBB.  Lazily
1083         calculate ebb_live_in_for_debug.
1084         (function_info::record_call_clobbers): Update call to record_reg_def.
1085         (function_info::record_def): Likewise.
1086
1087 2021-02-15  Martin Liska  <mliska@suse.cz>
1088
1089         * toplev.c (init_asm_output): Free output of
1090         gen_command_line_string function.
1091         (process_options): Likewise.
1092
1093 2021-02-15  Martin Liska  <mliska@suse.cz>
1094
1095         * params.opt: Add 2 missing Param keywords.
1096
1097 2021-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1098
1099         * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
1100
1101 2021-02-15  Jakub Jelinek  <jakub@redhat.com>
1102
1103         PR tree-optimization/99079
1104         * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
1105         useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check.  Instead
1106         require both type and TREE_TYPE (@1) to be integral types and either
1107         type having smaller or equal precision, or TREE_TYPE (@1) being
1108         unsigned type, or type being signed type.  If TREE_TYPE (@1)
1109         doesn't have wrapping overflow, perform the subtraction of one in
1110         unsigned type.
1111
1112 2021-02-14  Jan Hubicka  <hubicka@ucw.cz>
1113             Richard Biener  <rguether@suse.de>
1114
1115         PR ipa/97346
1116         * ipa-reference.c (ipa_init): Only conditinally initialize
1117         reference_vars_to_consider.
1118         (propagate): Conditionally deninitialize reference_vars_to_consider.
1119         (ipa_reference_write_optimization_summary): Sanity check that
1120         reference_vars_to_consider is not allocated.
1121
1122 2021-02-13  Levy Hsu  <admin@levyhsu.com>
1123
1124         PR target/97417
1125         * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
1126         extend parameter to get_si_mem_base_reg declaration.
1127         (get_si_mem_base_reg): Add extend parameter.  Set it.
1128         (analyze): Pass extend arg to get_si_mem_base_reg.
1129         (transform): Likewise.  Use it when rewriting mems.
1130         * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
1131         loads and emit sign/zero extending load followed by subreg move.
1132
1133 2021-02-13  Jim Wilson  <jimw@sifive.com>
1134
1135         PR target/97417
1136         * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
1137         exit when !reload_completed.  Only perform check for compressed reg
1138         if reload_completed.
1139         (riscv_rtx_costs): In MEM case, when optimizing for size and
1140         shorten memrefs, if not compressible, then increase cost.
1141
1142 2021-02-13  Jakub Jelinek  <jakub@redhat.com>
1143
1144         PR rtl-optimization/98439
1145         * recog.c (pass_split_before_regstack::gate): Enable even when
1146         pass_split_before_sched2 is enabled if -fselective-scheduling2 is
1147         on.
1148
1149 2021-02-13  Jakub Jelinek  <jakub@redhat.com>
1150
1151         PR target/96166
1152         * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
1153         swap of V2SImode elements in memory into DImode memory rotate by 32.
1154
1155 2021-02-12  Martin Sebor  <msebor@redhat.com>
1156
1157         * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
1158
1159 2021-02-12  Richard Sandiford  <richard.sandiford@arm.com>
1160
1161         * rtl-ssa/accesses.cc (function_info::make_use_available): Use
1162         m_temp_obstack rather than m_obstack to allocate the temporary use.
1163
1164 2021-02-12  Richard Sandiford  <richard.sandiford@arm.com>
1165
1166         * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
1167         as read-modify operations.
1168
1169 2021-02-12  Richard Biener  <rguenther@suse.de>
1170
1171         PR middle-end/38474
1172         * ipa-fnsummary.c (unmodified_parm_1): Only walk when
1173         fbi->aa_walk_budget is bigger than zero.  Update
1174         fbi->aa_walk_budget.
1175         (param_change_prob): Likewise.
1176         * ipa-prop.c (detect_type_change_from_memory_writes):
1177         Properly account walk_aliased_vdefs.
1178         (parm_preserved_before_stmt_p): Canonicalize updates.
1179         (parm_ref_data_preserved_p): Likewise.
1180         (parm_ref_data_pass_through_p): Likewise.
1181         (determine_known_aggregate_parts): Account own alias queries.
1182
1183 2021-02-12  Martin Liska  <mliska@suse.cz>
1184
1185         * opts-common.c (decode_cmdline_option): Release werror_arg.
1186         * opts.c (gen_producer_string): Release output of
1187         gen_command_line_string.
1188
1189 2021-02-12  Richard Biener  <rguenther@suse.de>
1190
1191         PR tree-optimization/38474
1192         * params.opt (-param=max-store-chains-to-track=): New param.
1193         (-param=max-stores-to-track=): Likewise.
1194         * doc/invoke.texi (max-store-chains-to-track): Document.
1195         (max-stores-to-track): Likewise.
1196         * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
1197         New.
1198         (pass_store_merging::m_n_stores): Likewise.
1199         (pass_store_merging::terminate_and_process_chain): Update
1200         m_n_stores and m_n_chains.
1201         (pass_store_merging::process_store): Likewise.   Terminate
1202         oldest chains if the number of stores or chains get too large.
1203         (imm_store_chain_info::terminate_and_process_chain): Dump
1204         chain length.
1205
1206 2021-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1207
1208         * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
1209         the cold section, emit a nop before the directive if the previous
1210         active instruction can throw.
1211
1212 2021-02-11  Peter Bergner  <bergner@linux.ibm.com>
1213
1214         PR target/99041
1215         * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
1216         memory addresses that are legal for quad word accesses.
1217
1218 2021-02-11  Andrea Corallo  <andrea.corallo@arm.com>
1219
1220         PR target/98931
1221         * config/arm/thumb2.md (*doloop_end_internal): Generate
1222         alternative sequence to handle long range branches.
1223
1224 2021-02-11  Joel Hutton  <joel.hutton@arm.com>
1225
1226         PR tree-optimization/98772
1227         * optabs-tree.c (supportable_half_widening_operation): New function
1228         to check for supportable V8QI->V8HI widening patterns.
1229         * optabs-tree.h (supportable_half_widening_operation): New function.
1230         * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
1231         to create promotion stmts for V8QI->V8HI widening patterns.
1232         (vectorizable_conversion): Add case for V8QI->V8HI.
1233
1234 2021-02-11  Richard Biener  <rguenther@suse.de>
1235
1236         * sparseset.h (SPARSESET_ELT_BITS): Remove.
1237         (SPARSESET_ELT_TYPE): Use unsigned int.
1238         * fwprop.c: Do not include sparseset.h.
1239
1240 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR c++/99035
1243         * varasm.c (declare_weak): For -fsyntax-only, allow even
1244         TREE_ASM_WRITTEN function decls.
1245
1246 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
1247
1248         PR target/99025
1249         * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
1250         <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
1251         <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
1252         <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
1253         calling simplify_gen_subreg on it.
1254
1255 2021-02-10  Martin Liska  <mliska@suse.cz>
1256
1257         * config/nvptx/nvptx.c (nvptx_option_override): Use
1258         flag_patchable_function_entry instead of the removed
1259         function_entry_patch_area_size.
1260
1261 2021-02-10  Martin Liska  <mliska@suse.cz>
1262
1263         PR tree-optimization/99002
1264         PR tree-optimization/99026
1265         * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
1266         leak when adjacent cases are merged.
1267         * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
1268         release_clusters.
1269         (make_pass_lower_switch): Remove trailing whitespace.
1270         * tree-switch-conversion.h (release_clusters): New.
1271
1272 2021-02-10  Richard Biener  <rguenther@suse.de>
1273
1274         PR rtl-optimization/99054
1275         * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
1276         (fixup_partitions): Adjust.
1277         (rtl_verify_edges): Likewise.
1278
1279 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
1280
1281         PR middle-end/99007
1282         * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
1283         temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
1284         calls.
1285
1286 2021-02-10  Richard Biener  <rguenther@suse.de>
1287
1288         PR ipa/99029
1289         * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
1290         for callees.
1291
1292 2021-02-10  Richard Biener  <rguenther@suse.de>
1293
1294         PR tree-optimization/99024
1295         * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
1296         clear loop->aux if it is associated with the destroyed loop_vinfo.
1297
1298 2021-02-10  Martin Liska  <mliska@suse.cz>
1299
1300         PR tree-optimization/99002
1301         * gimple-if-to-switch.cc (find_conditions): Fix memory leak
1302         in the function.
1303
1304 2021-02-10  Martin Liska  <mliska@suse.cz>
1305
1306         PR ipa/99003
1307         * ipa-icf.c (sem_item::add_reference): Fix memory leak when
1308         a reference exists.
1309
1310 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
1311
1312         PR debug/98755
1313         * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
1314         at class scope for DWARF5+.
1315
1316 2021-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1317
1318         PR rtl-optimization/96015
1319         * reorg.c (skip_consecutive_labels): Minor comment tweaks.
1320         (relax_delay_slots): When deleting a jump to the next active
1321         instruction over a barrier, first delete the barrier if the
1322         jump is the only way to reach the target label.
1323
1324 2021-02-09  Andre Vieira  <andre.simoesdiasvieira@arm.com>
1325
1326         * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
1327         * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
1328         vector multiplies and vect.alu for SSRA.
1329         * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
1330         vect.mul cost field.
1331         * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
1332         * config/arm/arm.c: Likewise.
1333
1334 2021-02-09  Richard Biener  <rguenther@suse.de>
1335
1336         PR tree-optimization/98863
1337         * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
1338         * tree-ssa-sccvn.c (last_pushed_avail): New global.
1339         (rpo_elim::eliminate_push_avail): Chain pushed avails.
1340         (unwind_state::avail_top): Add.
1341         (do_unwind): Rewrite unwinding of avail entries.
1342         (do_rpo_vn): Initialize last_pushed_avail and
1343         avail_top of the undo state.
1344
1345 2021-02-09  Jakub Jelinek  <jakub@redhat.com>
1346
1347         PR middle-end/99004
1348         * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
1349         const char * to char * and free those pointers after use.
1350
1351 2021-02-09  Richard Biener  <rguenther@suse.de>
1352
1353         PR tree-optimization/99017
1354         * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
1355         zero vector cost entries.
1356
1357 2021-02-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
1358
1359         PR middle-end/98974
1360         * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
1361         parameter in vectorizable_condition.
1362
1363 2021-02-08  Richard Biener  <rguenther@suse.de>
1364
1365         PR lto/96591
1366         * tree.c (walk_tree_1): Walk VECTOR_CST elements.
1367
1368 2021-02-08  Martin Liska  <mliska@suse.cz>
1369
1370         PR lto/98971
1371         * cfgexpand.c (pass_expand::execute): Parse per-function option
1372         flag_patchable_function_entry and use it.
1373         * common.opt: Remove function_entry_patch_area_size and
1374         function_entry_patch_area_start global variables.
1375         * opts.c (parse_and_check_patch_area): New function.
1376         (common_handle_option): Use it.
1377         * opts.h (parse_and_check_patch_area): New function.
1378         * toplev.c (process_options): Parse and use
1379         function_entry_patch_area_size.
1380
1381 2021-02-08  Martin Sebor  <msebor@redhat.com>
1382
1383         * doc/extend.texi (attribute malloc): Correct typos.
1384
1385 2021-02-05  Nathan Sidwell  <nathan@acm.org>
1386
1387         PR driver/98943
1388         * gcc.c (driver::maybe_run_linker): Check for input file
1389         accessibility if not linking.
1390
1391 2021-02-05  Richard Biener  <rguenther@suse.de>
1392
1393         PR tree-optimization/98855
1394         * tree-vectorizer.h (add_stmt_cost): New overload.
1395         * tree-vect-slp.c (li_cost_vec_cmp): New.
1396         (vect_bb_slp_scalar_cost): Cost individual loop regions
1397         separately.  Account for the scalar instance root stmt.
1398
1399 2021-02-05  Tom de Vries  <tdevries@suse.de>
1400
1401         PR debug/98656
1402         * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
1403         argument.
1404         (bit_test_cluster::emit): Reuse location_t for newly created
1405         gswitch statement.
1406         (switch_decision_tree::try_switch_expansion): Preserve
1407         location_t.
1408         * tree-switch-conversion.h: Change function signatures.
1409
1410 2021-02-05  Jakub Jelinek  <jakub@redhat.com>
1411
1412         PR target/98957
1413         * config/i386/i386-options.c (m_NONE, m_ALL): Define.
1414         * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
1415         X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
1416         (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
1417
1418 2021-02-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1419
1420         * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
1421         * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
1422         * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
1423         (vget_high_f16): Reimplement using new builtin.
1424         (vget_high_f32): Likewise.
1425         (vget_high_f64): Likewise.
1426         (vget_high_p8): Likewise.
1427         (vget_high_p16): Likewise.
1428         (vget_high_p64): Likewise.
1429         (vget_high_s8): Likewise.
1430         (vget_high_s16): Likewise.
1431         (vget_high_s32): Likewise.
1432         (vget_high_s64): Likewise.
1433         (vget_high_u8): Likewise.
1434         (vget_high_u16): Likewise.
1435         (vget_high_u32): Likewise.
1436         (vget_high_u64): Likewise.
1437
1438 2021-02-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1439
1440         * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
1441         * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
1442         * config/aarch64/arm_neon.h (__GET_LOW): Delete.
1443         (vget_low_f16): Reimplement using new builtin.
1444         (vget_low_f32): Likewise.
1445         (vget_low_f64): Likewise.
1446         (vget_low_p8): Likewise.
1447         (vget_low_p16): Likewise.
1448         (vget_low_p64): Likewise.
1449         (vget_low_s8): Likewise.
1450         (vget_low_s16): Likewise.
1451         (vget_low_s32): Likewise.
1452         (vget_low_s64): Likewise.
1453         (vget_low_u8): Likewise.
1454         (vget_low_u16): Likewise.
1455         (vget_low_u32): Likewise.
1456         (vget_low_u64): Likewise.
1457
1458 2021-02-05  Kito Cheng  <kito.cheng@sifive.com>
1459
1460         * gcc.c (print_multilib_info): Check all required argument is provided
1461         by default arg.
1462
1463 2021-02-05  liuhongt  <hongtao.liu@intel.com>
1464
1465         PR target/98537
1466         * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
1467         generate integer mask comparison for 128/256-bits vector when
1468         op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
1469         delete redundant !maskcmp condition.
1470         (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
1471         here.
1472         (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
1473         condition directly to if (maskcmp), add extra check for
1474         cmpmode, it should be MODE_INT.
1475         (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
1476         parameters op_true/op_false.
1477         (ix86_use_mask_cmp_p): New.
1478
1479 2021-02-05  liuhongt  <hongtao.liu@intel.com>
1480
1481         PR target/98172
1482         * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
1483         Remove m_GENERIC from ~list.
1484         (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
1485
1486 2021-02-04  David Malcolm  <dmalcolm@redhat.com>
1487
1488         PR c/97932
1489         * diagnostic-show-locus.c (compatible_locations_p): Require
1490         locations in the same macro map to be either both from the
1491         macro definition, or both from the macro arguments.
1492
1493 2021-02-04  Jonathan Wright  <jonathan.wright@arm.com>
1494
1495         * config/aarch64/aarch64-simd-builtins.def: Add
1496         [su]mull_hi_lane[q] builtin generator macros.
1497         * config/aarch64/aarch64-simd.md
1498         (aarch64_<su>mull_hi_lane<mode>_insn): Define.
1499         (aarch64_<su>mull_hi_lane<mode>): Define.
1500         (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
1501         (aarch64_<su>mull_hi_laneq<mode>): Define.
1502         * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
1503         builtin instead of inline asm.
1504         (vmull_high_lane_s32): Likewise.
1505         (vmull_high_lane_u16): Likewise.
1506         (vmull_high_lane_u32): Likewise.
1507         (vmull_high_laneq_s16): Likewise.
1508         (vmull_high_laneq_s32): Likewise.
1509         (vmull_high_laneq_u16): Likewise.
1510         (vmull_high_laneq_u32): Liekwise.
1511
1512 2021-02-04  Jonathan Wright  <jonathan.wright@arm.com>
1513
1514         * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
1515         builtin generator macros.
1516         * config/aarch64/aarch64-simd.md
1517         (aarch64_<su>mull_hi_n<mode>_insn): Define.
1518         (aarch64_<su>mull_hi_n<mode>): Define.
1519         * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
1520         instead of inline asm.
1521         (vmull_high_n_s32): Likewise.
1522         (vmull_high_n_u16): Likewise.
1523         (vmull_high_n_u32): Likewise.
1524
1525 2021-02-04  Richard Biener  <rguenther@suse.de>
1526
1527         PR tree-optimization/98855
1528         * tree-vect-loop.c (vectorizable_phi): Do not cost
1529         single-argument PHIs.
1530         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
1531         * tree-vect-stmts.c (vectorizable_bswap): Also perform
1532         costing for SLP operation.
1533
1534 2021-02-04  Martin Liska  <mliska@suse.cz>
1535
1536         * doc/extend.texi: Mention -mprefer-vector-width in target
1537         attributes.
1538
1539 2021-02-03  Martin Sebor  <msebor@redhat.com>
1540
1541         PR tree-optimization/98937
1542         * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
1543         Flush pointer_query cache.
1544
1545 2021-02-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
1546
1547         * config/rs6000/genfusion.pl (gen_2logical): Add missing
1548         fixes based on patch review.
1549         * config/rs6000/fusion.md: Regenerate file.
1550
1551 2021-02-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
1552
1553         * config/rs6000/t-rs6000: Comment out auto generation of
1554         fusion.md for now.
1555
1556 2021-02-03  Andrew Stubbs  <ams@codesourcery.com>
1557
1558         * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
1559         * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
1560         (output_file_start): Add gfx908.
1561         * config/gcn/gcn.opt (gpu_type): Add gfx908.
1562         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
1563         (MULTILIB_DIRNAMES): Add gfx908.
1564         * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
1565         (main): Recognize gfx908.
1566         * config/gcn/t-omp-device: Add gfx908.
1567
1568 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
1569
1570         * config/aarch64/aarch64-simd-builtins.def: Add
1571         [su]mlsl_hi_lane[q] builtin macro generators.
1572         * config/aarch64/aarch64-simd.md
1573         (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
1574         (aarch64_<su>mlsl_hi_lane<mode>): Define.
1575         (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
1576         (aarch64_<su>mlsl_hi_laneq<mode>): Define.
1577         * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
1578         builtin instead of inline asm.
1579         (vmlsl_high_lane_s32): Likewise.
1580         (vmlsl_high_lane_u16): Likewise.
1581         (vmlsl_high_lane_u32): Likewise.
1582         (vmlsl_high_laneq_s16): Likewise.
1583         (vmlsl_high_laneq_s32): Likewise.
1584         (vmlsl_high_laneq_u16): Likewise.
1585         (vmlsl_high_laneq_u32): Likewise.
1586         (vmlal_high_laneq_u32): Likewise.
1587
1588 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
1589
1590         * config/aarch64/aarch64-simd-builtins.def: Add
1591         [su]mlal_hi_lane[q] builtin generator macros.
1592         * config/aarch64/aarch64-simd.md
1593         (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
1594         (aarch64_<su>mlal_hi_lane<mode>): Define.
1595         (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
1596         (aarch64_<su>mlal_hi_laneq<mode>): Define.
1597         * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
1598         builtin instead of inline asm.
1599         (vmlal_high_lane_s32): Likewise.
1600         (vmlal_high_lane_u16): Likewise.
1601         (vmlal_high_lane_u32): Likewise.
1602         (vmlal_high_laneq_s16): Likewise.
1603         (vmlal_high_laneq_s32): Likewise.
1604         (vmlal_high_laneq_u16): Likewise.
1605         (vmlal_high_laneq_u32): Likewise.
1606
1607 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
1608
1609         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
1610         builtin generator macros.
1611         * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
1612         Define.
1613         (aarch64_<su>mlsl_hi_n<mode>): Define.
1614         * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
1615         instead of inline asm.
1616         (vmlsl_high_n_s32): Likewise.
1617         (vmlsl_high_n_u16): Likewise.
1618         (vmlsl_high_n_u32): Likewise.
1619
1620 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
1621
1622         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
1623         builtin generator macros.
1624         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
1625         Define.
1626         (aarch64_<su>mlal_hi_n<mode>): Define.
1627         * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
1628         instead of inline asm.
1629         (vmlal_high_n_s32): Likewise.
1630         (vmlal_high_n_u16): Likewise.
1631         (vmlal_high_n_u32): Likewise.
1632
1633 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
1634
1635         * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
1636         generator macros.
1637         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
1638         Rename to...
1639         (aarch64_<su>mlal_hi<mode>_insn): This.
1640         (aarch64_<su>mlal_hi<mode>): Define.
1641         * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
1642         instead of inline asm.
1643         (vmlal_high_s16): Likewise.
1644         (vmlal_high_s32): Likewise.
1645         (vmlal_high_u8): Likewise.
1646         (vmlal_high_u16): Likewise.
1647         (vmlal_high_u32): Likewise.
1648
1649 2021-02-03  Ilya Leoshkevich  <iii@linux.ibm.com>
1650
1651         * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
1652         after calling alter_subreg() on a (mem).
1653
1654 2021-02-03  Martin Liska  <mliska@suse.cz>
1655
1656         PR lto/98912
1657         * lto-streamer-out.c (produce_lto_section): Fill up missing
1658         padding.
1659         * lto-streamer.h (struct lto_section): Add _padding field.
1660
1661 2021-02-03  Richard Biener  <rguenther@suse.de>
1662
1663         * lto-streamer.c (lto_get_section_name): Free temporary
1664         buffer.
1665         * tree-loop-distribution.c
1666         (loop_distribution::merge_dep_scc_partitions): Free edge data.
1667
1668 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
1669
1670         PR middle-end/97487
1671         * ifcvt.c (noce_can_force_operand): New function.
1672         (noce_emit_move_insn): Use it.
1673         (noce_try_sign_mask): Likewise.  Formatting fix.
1674
1675 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
1676
1677         PR middle-end/97971
1678         * lra-constraints.c (process_alt_operands): For inline asm, don't call
1679         fatal_insn, but instead return false.
1680
1681 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
1682
1683         PR tree-optimization/98287
1684         * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
1685         for V1DImode.
1686
1687 2021-02-03  Tamar Christina  <tamar.christina@arm.com>
1688
1689         PR tree-optimization/98928
1690         * tree-vect-loop.c (vect_analyze_loop_2): Change
1691         STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
1692         * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
1693         * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
1694         (class _stmt_vec_info): Add slp_vect_pattern_only_p.
1695
1696 2021-02-02  Richard Biener  <rguenther@suse.de>
1697
1698         * gimple-loop-interchange.cc (prepare_data_references):
1699         Release vectors.
1700         * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
1701         * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
1702         * tree-vect-stmts.c (vectorizable_condition): Do not
1703         allocate vectors.
1704         (vectorizable_comparison): Likewise.
1705
1706 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1707
1708         * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
1709         * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
1710         * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
1711         (vrsqrteq_u32): Likewise.
1712
1713 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1714
1715         * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
1716         * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
1717         (aarch64_sqxtun2<mode>_be): Likewise.
1718         (aarch64_sqxtun2<mode>): Likewise.
1719         * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
1720         (vqmovun_high_s32): Likewise.
1721         (vqmovun_high_s64): Likewise.
1722         * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
1723
1724 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1725
1726         * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
1727         AUTO_FP flags.
1728         (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
1729
1730 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1731
1732         * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
1733         fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
1734         fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
1735         ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
1736         fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
1737         fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
1738         fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
1739         fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
1740
1741 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1742
1743         * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
1744         * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
1745         ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
1746
1747 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1748
1749         * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
1750         uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
1751
1752 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1753
1754         * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
1755         vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
1756         vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
1757         ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
1758         udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
1759         ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
1760         ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
1761         ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
1762         NONE builtin flags.
1763
1764 2021-02-02  Jakub Jelinek  <jakub@redhat.com>
1765
1766         PR tree-optimization/98848
1767         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
1768         STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
1769
1770 2021-02-02  Kito Cheng  <kito.cheng@sifive.com>
1771
1772         PR target/98743
1773         * expr.c: Check mode before calling store_expr.
1774
1775 2021-02-02  Christophe Lyon  <christophe.lyon@linaro.org>
1776
1777         * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
1778         (VORNQ): Remove.
1779         * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
1780         instruction using expression ior.
1781         (mve_vornq_u<mode>): New expander.
1782         (mve_vornq_f<mode>): Use ior code instead of unspec.
1783         * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
1784
1785 2021-02-02  Alexandre Oliva  <oliva@adacore.com>
1786
1787         * tree-nested.c (convert_nonlocal_reference_op): Move
1788         current_function_decl restore after re-gimplification.
1789         (convert_local_reference_op): Likewise.
1790
1791 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1792
1793         * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
1794         Define builtins.
1795         * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
1796         Define.
1797         (aarch64_rshrn<mode>_insn_be): Likewise.
1798         (aarch64_rshrn<mode>): Likewise.
1799         (aarch64_rshrn2<mode>_insn_le): Likewise.
1800         (aarch64_rshrn2<mode>_insn_be): Likewise.
1801         (aarch64_rshrn2<mode>): Likewise.
1802         * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
1803         * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
1804         using builtin.
1805         (vrshrn_high_n_s32): Likewise.
1806         (vrshrn_high_n_s64): Likewise.
1807         (vrshrn_high_n_u16): Likewise.
1808         (vrshrn_high_n_u32): Likewise.
1809         (vrshrn_high_n_u64): Likewise.
1810         (vrshrn_n_s16): Likewise.
1811         (vrshrn_n_s32): Likewise.
1812         (vrshrn_n_s64): Likewise.
1813         (vrshrn_n_u16): Likewise.
1814         (vrshrn_n_u32): Likewise.
1815         (vrshrn_n_u64): Likewise.
1816
1817 2021-02-01  Sergei Trofimovich  <siarheit@google.com>
1818
1819         PR tree-optimization/98499
1820         * ipa-modref.c (analyze_ssa_name_flags): treat RVO
1821         conservatively and assume all possible side-effects.
1822
1823 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1824
1825         * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
1826         vec_unpacku_hi_): Define builtins.
1827         * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
1828         builtin.
1829         (vmovl_high_s16): Likewise.
1830         (vmovl_high_s32): Likewise.
1831         (vmovl_high_u8): Likewise.
1832         (vmovl_high_u16): Likewise.
1833         (vmovl_high_u32): Likewise.
1834
1835 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1836
1837         * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
1838         Define builtins.
1839         * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
1840         pattern.
1841         * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
1842         UNSPEC_UABDL.
1843         * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
1844         builtin.
1845         (vabdl_s16): Likewise.
1846         (vabdl_s32): Likewise.
1847         (vabdl_u8): Likewise.
1848         (vabdl_u16): Likewise.
1849         (vabdl_u32): Likewise.
1850         * config/aarch64/iterators.md (ABDL): New int iterator.
1851         (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
1852
1853 2021-02-01  Martin Sebor  <msebor@redhat.com>
1854
1855         * tree.h (BLOCK_VARS): Add comment.
1856         (BLOCK_SUBBLOCKS): Same.
1857         (BLOCK_SUPERCONTEXT): Same.
1858         (BLOCK_ABSTRACT_ORIGIN): Same.
1859         (inlined_function_outer_scope_p): Same.
1860
1861 2021-02-01  Martin Sebor  <msebor@redhat.com>
1862
1863         PR middle-end/97172
1864         * attribs.c (attr_access::free_lang_data): Define new function.
1865         * attribs.h (attr_access::free_lang_data): Declare new function.
1866
1867 2021-02-01  Richard Biener  <rguenther@suse.de>
1868
1869         * vec.h (auto_vec::auto_vec): Add memory stat parameters
1870         and pass them on.
1871         * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
1872
1873 2021-02-01  Tamar Christina  <tamar.christina@arm.com>
1874
1875         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
1876         aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
1877
1878 2021-02-01  Richard Biener  <rguenther@suse.de>
1879
1880         PR rtl-optimization/98863
1881         * config/i386/i386-features.c (convert_scalars_to_vector):
1882         Set DF_RD_PRUNE_DEAD_DEFS.
1883
1884 2021-01-31  Eric Botcazou  <ebotcazou@adacore.com>
1885
1886         * system.h (SIZE_MAX): Define if not already defined.
1887
1888 2021-01-30  Aaron Sawdey  <acsawdey@linux.ibm.com>
1889
1890         * config/rs6000/genfusion.pl (gen_2logical): New function to
1891         generate patterns for logical-logical fusion.
1892         * config/rs6000/fusion.md: Regenerated patterns.
1893         * config/rs6000/rs6000-cpus.def: Add
1894         OPTION_MASK_P10_FUSION_2LOGICAL.
1895         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1896         Enable logical-logical fusion for p10.
1897         * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
1898
1899 2021-01-30  David Edelsohn  <dje.gcc@gmail.com>
1900
1901         * config/rs6000/rs6000.opt: Add periods to new AIX options.
1902
1903 2021-01-30  David Edelsohn  <dje.gcc@gmail.com>
1904
1905         * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
1906         (mabi=vec-default): New.
1907         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
1908         __EXTABI__ for AIX Vector extended ABI.
1909         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
1910         extabi info.
1911         (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
1912         are non-volatile.
1913         * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
1914
1915 2021-01-30  Jakub Jelinek  <jakub@redhat.com>
1916
1917         * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
1918         DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
1919
1920 2021-01-29  Vladimir N. Makarov  <vmakarov@redhat.com>
1921
1922         PR target/97701
1923         * lra-constraints.c (in_class_p): Don't narrow class only for REG
1924         or MEM.
1925
1926 2021-01-29  Will Schmidt  <will_schmidt@vnet.ibm.com>
1927
1928         * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
1929         clauses for CODE_FOR_vsx_xvcvuxddp_scale and
1930         CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
1931
1932 2021-01-29  Andrew MacLeod  <amacleod@redhat.com>
1933
1934         PR tree-optimization/98866
1935         * gimple-range-gori.h (gori_compute:set_range_invariant): New.
1936         * gimple-range-gori.cc (gori_map::set_range_invariant): New.
1937         (gori_map::m_maybe_invariant): Rename from all_outgoing.
1938         (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
1939         (gori_map::is_export_p): Ditto.
1940         (gori_map::calculate_gori): Ditto.
1941         (gori_compute::set_range_invariant): New.
1942         * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
1943         invariant for pointers evaluating to [1, +INF].
1944
1945 2021-01-29  Richard Biener  <rguenther@suse.de>
1946
1947         PR rtl-optimization/98863
1948         * config/i386/i386-features.c (remove_partial_avx_dependency):
1949         Do not perform DF analysis.
1950         (pass_data_remove_partial_avx_dependency): Remove
1951         TODO_df_finish.
1952
1953 2021-01-29  Jonathan Wright  <jonathan.wright@arm.com>
1954
1955         * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
1956         builtin generator macros.
1957         * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
1958         Define.
1959         * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
1960         instead of inline asm.
1961         (vmull_n_s32): Likewise.
1962         (vmull_n_u16): Likewise.
1963         (vmull_n_u32): Likewise.
1964
1965 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1966
1967         * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
1968         Define builtins.
1969         * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
1970         Rename to...
1971         (aarch64_<sur>abdl2<mode>): ... This.
1972         (<sur>sadv16qi): Adjust use of above.
1973         * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
1974         builtin.
1975         (vabdl_high_s16): Likewise.
1976         (vabdl_high_s32): Likewise.
1977         (vabdl_high_u8): Likewise.
1978         (vabdl_high_u16): Likewise.
1979         (vabdl_high_u32): Likewise.
1980
1981 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1982
1983         * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
1984         builtin.
1985         (uabal2): Likewise.
1986         * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
1987         pattern.
1988         * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
1989         UNSPEC_UABAL2.
1990         * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
1991         builtin.
1992         (vabal_high_s16): Likewise.
1993         (vabal_high_s32): Likewise.
1994         (vabal_high_u8): Likewise.
1995         (vabal_high_u16): Likewise.
1996         (vabal_high_u32): Likewise.
1997         * config/aarch64/iterators.md (ABAL2): New mode iterator.
1998         (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
1999
2000 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2001
2002         * config/aarch64/aarch64-simd-builtins.def (sabal): Define
2003         builtin.
2004         (uabal): Likewise.
2005         * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
2006         Rename to...
2007         (aarch64_<sur>abal<mode>): ... This
2008         (<sur>sadv16qi): Adust use of the above.
2009         * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
2010         builtin.
2011         (vabal_s16): Likewise.
2012         (vabal_s32): Likewise.
2013         (vabal_u8): Likewise.
2014         (vabal_u16): Likewise.
2015         (vabal_u32): Likewise.
2016
2017 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2018
2019         * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
2020         Define builtins.
2021         * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
2022         Define.
2023         * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
2024         builtin.
2025         (vaddlv_s16): Likewise.
2026         (vaddlv_u8): Likewise.
2027         (vaddlv_u16): Likewise.
2028         (vaddlvq_s8): Likewise.
2029         (vaddlvq_s16): Likewise.
2030         (vaddlvq_s32): Likewise.
2031         (vaddlvq_u8): Likewise.
2032         (vaddlvq_u16): Likewise.
2033         (vaddlvq_u32): Likewise.
2034         (vaddlv_s32): Likewise.
2035         (vaddlv_u32): Likewise.
2036         * config/aarch64/iterators.md (VDQV_L): New mode iterator.
2037         (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
2038         (Vwstype): New mode attribute.
2039         (Vwsuf): Likewise.
2040         (VWIDE_S): Likewise.
2041         (USADDLV): New int iterator.
2042         (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
2043
2044 2021-01-29  Jonathan Wright  <jonathan.wright@arm.com>
2045
2046         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
2047         builtin generator macros.
2048         * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
2049         Define.
2050         * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
2051         instead of inline asm.
2052         (vmlsl_lane_s32): Likewise.
2053         (vmlsl_lane_u16): Likewise.
2054         (vmlsl_lane_u32): Likewise.
2055         (vmlsl_laneq_s16): Likewise.
2056         (vmlsl_laneq_s32): Likewise.
2057         (vmlsl_laneq_u16): Likewise.
2058         (vmlsl_laneq_u32): Likewise.
2059
2060 2021-01-29  Richard Biener  <rguenther@suse.de>
2061
2062         * doc/invoke.texi (--param max-gcse-memory): Document unit
2063         of size.
2064         * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
2065         * params.opt (--param max-gcse-memory): Adjust default and
2066         document unit of size.
2067
2068 2021-01-29  Richard Biener  <rguenther@suse.de>
2069
2070         PR rtl-optimization/98863
2071         * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
2072         HOST_WIDE_INT for the memory estimate.
2073
2074 2021-01-29  Bin Cheng  <bin.cheng@linux.alibaba.com>
2075             Richard Biener  <rguenther@suse.de>
2076
2077         PR tree-optimization/97627
2078         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
2079         Do not analyze fake edges.
2080
2081 2021-01-29  Richard Biener  <rguenther@suse.de>
2082
2083         PR rtl-optimization/98144
2084         * df.h (df_mir_bb_info): Add con_visited member.
2085         * df-problems.c (df_mir_alloc): Initialize con_visited,
2086         do not fully populate IN and OUT.
2087         (df_mir_reset): Likewise.
2088         (df_mir_confluence_0): Set con_visited.
2089         (df_mir_confluence_n): Properly handle implicitely
2090         fully populated IN and OUT as designated by con_visited
2091         and update con_visited accordingly.
2092
2093 2021-01-29  Jakub Jelinek  <jakub@redhat.com>
2094
2095         PR target/98849
2096         * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
2097         vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
2098         && !TARGET_REALLY_IWMMXT to conditions.
2099
2100 2021-01-29  Jakub Jelinek  <jakub@redhat.com>
2101
2102         PR debug/98331
2103         * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
2104         a BARRIER.
2105
2106 2021-01-28  Marek Polacek  <polacek@redhat.com>
2107
2108         PR c++/94775
2109         * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
2110         the main variant, maybe reset it in its variants too.
2111         * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
2112         (check_aligned_type): Check if TYPE_USER_ALIGN match.
2113
2114 2021-01-28  Christophe Lyon  <christophe.lyon@linaro.org>
2115
2116         PR target/98730
2117         * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
2118         of constant zero for comparisons.
2119
2120 2021-01-28  Michael Meissner  <meissner@linux.ibm.com>
2121
2122         * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
2123         support for mapping built-in function names for long double
2124         built-in functions if long double is IEEE 128-bit.
2125
2126 2021-01-28  Jonathan Wright  <jonathan.wright@arm.com>
2127
2128         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
2129         builtin generator macros.
2130         * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
2131         Define.
2132         * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
2133         instead of inline asm.
2134         (vmlsl_n_s32): Likewise.
2135         (vmlsl_n_u16): Likewise.
2136         (vmlsl_n_u32): Likewise.
2137
2138 2021-01-28  Jonathan Wright  <jonathan.wright@arm.com>
2139
2140         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
2141         builtin generator macros.
2142         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
2143         Define.
2144         * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
2145         instead of inline asm.
2146         (vmlal_n_s32): Likewise.
2147         (vmlal_n_u16): Likewise.
2148         (vmlal_n_u32): Likewise.
2149
2150 2021-01-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2151
2152         * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
2153         builtin.
2154         * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
2155         Define.
2156         (aarch64_shrn2<mode>_insn_be): Likewise.
2157         (aarch64_shrn2<mode>): Likewise.
2158         * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
2159         using builtins.
2160         (vshrn_high_n_s32): Likewise.
2161         (vshrn_high_n_s64): Likewise.
2162         (vshrn_high_n_u16): Likewise.
2163         (vshrn_high_n_u32): Likewise.
2164         (vshrn_high_n_u64): Likewise.
2165
2166 2021-01-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2167
2168         * config/aarch64/aarch64-simd-builtins.def (shrn): Define
2169         builtin.
2170         * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
2171         Define.
2172         (aarch64_shrn<mode>_insn_be): Likewise.
2173         (aarch64_shrn<mode>): Likewise.
2174         * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
2175         builtins.
2176         (vshrn_n_s32): Likewise.
2177         (vshrn_n_s64): Likewise.
2178         (vshrn_n_u16): Likewise.
2179         (vshrn_n_u32): Likewise.
2180         (vshrn_n_u64): Likewise.
2181         * config/aarch64/iterators.md (vn_mode): New mode attribute.
2182
2183 2021-01-28  Richard Biener  <rguenther@suse.de>
2184
2185         PR rtl-optimization/80960
2186         * dse.c (check_mem_read_rtx): Call get_addr on the
2187         offsetted address.
2188
2189 2021-01-28  Xionghu Luo  <luoxhu@linux.ibm.com>
2190             David Edelsohn  <dje.gcc@gmail.com>
2191
2192         PR target/98799
2193         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2194         Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
2195         when -m32.
2196         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
2197         Delete.
2198         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
2199         wrapper call rs6000_expand_vector_set_var for cleanup.  Call
2200         rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
2201         directly.
2202         (rs6000_expand_vector_set_var): Delete.
2203         (rs6000_expand_vector_set_var_p9): Make static.
2204         (rs6000_expand_vector_set_var_p8): Make static.
2205
2206 2021-01-28  Xing GUO  <higuoxing@gmail.com>
2207
2208         * common/config/riscv/riscv-common.c
2209         (riscv_subset_list::parsing_subset_version): Fix -march option parsing
2210         when `p` extension exists.
2211
2212 2021-01-27  Vladimir N. Makarov  <vmakarov@redhat.com>
2213
2214         PR rtl-optimization/97684
2215         * ira.c (ira): Call ira_set_pseudo_classes before
2216         update_equiv_regs when it is necessary.
2217
2218 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR target/98853
2221         * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
2222         %w0, %w1 and %2 instead of %0, %1 and %2.
2223
2224 2021-01-27  Aaron Sawdey  <acsawdey@linux.ibm.com>
2225
2226         * config/rs6000/genfusion.pl: New script to generate
2227         define_insn_and_split patterns so combine can arrange fused
2228         instructions next to each other.
2229         * config/rs6000/fusion.md: New file, generated fused instruction
2230         patterns for combine.
2231         * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
2232         (non_update_memory_operand): New predicate.
2233         * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
2234         OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
2235         POWERPC_MASKS.
2236         * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
2237         prototype.
2238         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2239         Automatically set OPTION_MASK_P10_FUSION and
2240         OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
2241         (rs600_opt_masks): Allow -mpower10-fusion
2242         in function attributes.
2243         (address_is_non_pfx_d_or_x): New function.
2244         * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
2245         * config/rs6000/rs6000.md: Include fusion.md.
2246         * config/rs6000/rs6000.opt: Add -mpower10-fusion
2247         and -mpower10-fusion-ld-cmpi.
2248         * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
2249
2250 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
2251
2252         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
2253         builtin generator macros.
2254         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
2255         Rename to...
2256         (aarch64_<su>mlal<mode>): This.
2257         * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
2258         instead of inline asm.
2259         (vmlal_s16): Likewise.
2260         (vmlal_s32): Likewise.
2261         (vmlal_u8): Likewise.
2262         (vmlal_u16): Likewise.
2263         (vmlal_u32): Likewise.
2264
2265 2021-01-27  Richard Biener  <rguenther@suse.de>
2266
2267         PR tree-optimization/98854
2268         * tree-vect-slp.c (vect_build_slp_tree_2): Also build
2269         PHIs from scalars when the number of CTORs matches the
2270         number of children.
2271
2272 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
2273
2274         * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
2275         generator macro.
2276         * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
2277         Rename to...
2278         (aarch64_mls_n<mode>): This.
2279         * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
2280         instead of asm.
2281         (vmls_n_s32): Likewise.
2282         (vmls_n_u16): Likewise.
2283         (vmls_n_u32): Likewise.
2284         (vmlsq_n_s16): Likewise.
2285         (vmlsq_n_s32): Likewise.
2286         (vmlsq_n_u16): Likewise.
2287         (vmlsq_n_u32): Likewise.
2288
2289 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
2290
2291         * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
2292         generator macro.
2293         * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
2294         than asm.
2295         (vmls_s16): Likewise.
2296         (vmls_s32): Likewise.
2297         (vmls_u8): Likewise.
2298         (vmls_u16): Likewise.
2299         (vmls_u32): Likewise.
2300         (vmlsq_s8): Likewise.
2301         (vmlsq_s16): Likewise.
2302         (vmlsq_s32): Likewise.
2303         (vmlsq_u8): Likewise.
2304         (vmlsq_u16): Likewise.
2305         (vmlsq_u32): Likewise.
2306
2307 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
2308
2309         * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
2310         generator macro.
2311         * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
2312         Rename to...
2313         (aarch64_mla_n<mode>): This.
2314         * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
2315         instead of asm.
2316         (vmla_n_s32): Likewise.
2317         (vmla_n_u16): Likewise.
2318         (vmla_n_u32): Likewise.
2319         (vmlaq_n_s16): Likewise.
2320         (vmlaq_n_s32): Likewise.
2321         (vmlaq_n_u16): Likewise.
2322         (vmlaq_n_u32): Likewise.
2323
2324 2021-01-27  liuhongt  <hongtao.liu@intel.com>
2325
2326         PR target/98833
2327         * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
2328         (*sse2_eq<mode>3): Ditto.
2329
2330 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
2331
2332         * tree-pass.h (PROP_trees): Rename to ...
2333         (PROP_gimple): ... this.
2334         * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
2335         * passes.c (execute_function_dump, execute_function_todo,
2336         execute_one_ipa_transform_pass, execute_one_pass): Likewise.
2337         * varpool.c (ctor_for_folding): Likewise.
2338
2339 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
2340
2341         PR tree-optimization/97260
2342         * varpool.c: Include tree-pass.h.
2343         (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
2344         non-TREE_SIDE_EFFECTS automatic variables.
2345
2346 2021-01-26  Paul Fee  <paul.f.fee@gmail.com>
2347
2348         * doc/cpp.texi (__cplusplus): Document value for -std=c++23
2349         or -std=gnu++23.
2350         * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
2351         * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
2352         (gen_compile_unit_die): Recognise C++23.
2353
2354 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
2355
2356         PR bootstrap/98839
2357         * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
2358         in comparison.
2359
2360 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
2361
2362         PR target/98681
2363         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
2364         Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
2365         and INTVAL (mask).  Add && INTVAL (mask) > 0 condition.
2366
2367 2021-01-26  Richard Biener  <rguenther@suse.de>
2368
2369         * gimple-pretty-print.c (dump_binary_rhs): Handle
2370         VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
2371
2372 2021-01-26  Richard Biener  <rguenther@suse.de>
2373
2374         PR middle-end/98726
2375         * tree.h (vector_cst_int_elt): Remove.
2376         * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
2377         make static.
2378
2379 2021-01-26  Andrew Stubbs  <ams@codesourcery.com>
2380
2381         * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
2382         for V64DFmode min/max reductions.
2383
2384 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
2385
2386         * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
2387         as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
2388         two halves, one with x and the other with const0_rtx, ordered
2389         depending on endianity.
2390
2391 2021-01-26  Alexandre Oliva  <oliva@adacore.com>
2392
2393         * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
2394         temporaries not seen in binding block, and not about to be
2395         added as gimple variables.
2396
2397 2021-01-25  Martin Sebor  <msebor@redhat.com>
2398
2399         PR c++/98646
2400         * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
2401
2402 2021-01-25  Martin Liska  <mliska@suse.cz>
2403
2404         * value-prof.c (get_nth_most_common_value): Use %s instead
2405         of %qs string.
2406
2407 2021-01-25  Jakub Jelinek  <jakub@redhat.com>
2408
2409         PR debug/98811
2410         * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
2411         readelf -wi is able to read the emitted .debug_info back.
2412         * configure: Regenerated.
2413
2414 2021-01-25  Martin Liska  <mliska@suse.cz>
2415
2416         PR gcov-profile/98739
2417         * common.opt: Add missing sign symbol.
2418         * value-prof.c (get_nth_most_common_value): Restore handling
2419         of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
2420         PROFILE_REPRODUCIBILITY_MULTITHREADED.
2421
2422 2021-01-25  Richard Biener  <rguenther@suse.de>
2423
2424         PR middle-end/98807
2425         * tree.c (vector_element_bits): Always use precision of
2426         the element type for boolean vectors.
2427
2428 2021-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2429
2430         * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
2431         (ENDFILE_SPEC): Evaluate qnolinkcmds.
2432
2433 2021-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2434
2435         * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
2436         nostartfiles handling since this is already done by
2437         LINK_COMMAND_SPEC.  Evaluate qnolinkcmds.
2438         (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
2439         is already done by LINK_COMMAND_SPEC.
2440         (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
2441         this is already done by LINK_COMMAND_SPEC.  Remove qnolinkcmds
2442         evaluation.
2443
2444 2021-01-25  Jakub Jelinek  <jakub@redhat.com>
2445
2446         PR testsuite/98771
2447         * fold-const-call.c (host_size_t_cst_p): Renamed to ...
2448         (size_t_cst_p): ... this.  Check and store unsigned HOST_WIDE_INT
2449         value rather than host size_t.
2450         (fold_const_call): Change type of s2 from size_t to
2451         unsigned HOST_WIDE_INT.  Use size_t_cst_p instead of
2452         host_size_t_cst_p.  For strncmp calls, pass MIN (s2, SIZE_MAX)
2453         instead of s2 as last argument.
2454
2455 2021-01-25  Tamar Christina  <tamar.christina@arm.com>
2456
2457         * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
2458         VCMLA_OP, VCMUL_OP): New.
2459         * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
2460         * config/arm/neon.md (cmul<conj_op><mode>3): New.
2461         * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
2462         UNSPEC_VCMUL_CONJ): New.
2463         * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
2464         cml<fcmac1><conj_op><mode>4): New.
2465
2466 2021-01-23  Jakub Jelinek  <jakub@redhat.com>
2467
2468         PR testsuite/97301
2469         * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
2470
2471 2021-01-22  Jonathan Wright  <jonathan.wright@arm.com>
2472
2473         * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
2474         generator macro.
2475         * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
2476         than asm.
2477         (vmla_s16): Likewise.
2478         (vmla_s32): Likewise.
2479         (vmla_u8): Likewise.
2480         (vmla_u16): Likewise.
2481         (vmla_u32): Likewise.
2482         (vmlaq_s8): Likewise.
2483         (vmlaq_s16): Likewise.
2484         (vmlaq_s32): Likewise.
2485         (vmlaq_u8): Likewise.
2486         (vmlaq_u16): Likewise.
2487         (vmlaq_u32): Likewise.
2488
2489 2021-01-22  David Malcolm  <dmalcolm@redhat.com>
2490
2491         * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
2492         directive.
2493
2494 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR debug/98796
2497         * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
2498         filenames to emit, still emit the required 0 index directory and
2499         filename entries that match DW_AT_comp_dir and DW_AT_name of the
2500         compilation unit.
2501
2502 2021-01-22  Marek Polacek  <polacek@redhat.com>
2503
2504         PR c++/98545
2505         * doc/invoke.texi: Update C++ ABI Version 15 description.
2506
2507 2021-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2508
2509         PR tree-optimization/98766
2510         * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
2511         comparing against type size with param_avoid_fma_max_bits.
2512
2513 2021-01-22  Richard Biener  <rguenther@suse.de>
2514
2515         PR middle-end/98793
2516         * tree.c (vector_element_bits): Key single-bit bool vector on
2517         integer mode rather than not vector mode.
2518
2519 2021-01-22  Xionghu Luo  <luoxhu@linux.ibm.com>
2520
2521         PR target/98093
2522         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2523         Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
2524         platforms.
2525         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
2526         to call different path for P8 and P9.
2527         (rs6000_expand_vector_set_var_p9): New function.
2528         (rs6000_expand_vector_set_var_p8): New function.
2529
2530 2021-01-22  Xionghu Luo  <luoxhu@linux.ibm.com>
2531
2532         PR target/79251
2533         PR target/98065
2534         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2535         Ajdust variable index vec_insert from address dereference to
2536         ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
2537         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
2538         New declaration.
2539         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
2540
2541 2021-01-22  Martin Liska  <mliska@suse.cz>
2542
2543         PR gcov-profile/98739
2544         * profile.c (compute_value_histograms): Drop time profile for
2545         -fprofile-reproducible=multithreaded.
2546
2547 2021-01-22  Nathan Sidwell  <nathan@acm.org>
2548
2549         * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
2550         existence here.
2551
2552 2021-01-22  Richard Biener  <rguenther@suse.de>
2553
2554         PR middle-end/98773
2555         * tree-data-ref.c (initalize_matrix_A): Revert previous
2556         change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
2557
2558 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
2559
2560         PR tree-optimization/90248
2561         * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
2562         X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
2563         simplifications.
2564         (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
2565         X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
2566
2567 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR tree-optimization/98255
2570         * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
2571         extend index - low_bound from sizetype's precision rather than index
2572         precision.
2573         (get_addr_base_and_unit_offset_1): Likewise.
2574         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
2575         * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
2576
2577 2021-01-22  Richard Biener  <rguenther@suse.de>
2578
2579         PR tree-optimization/98786
2580         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
2581         adding new uses of abnormals.  Verify we deal with a conditional
2582         conversion.
2583
2584 2021-01-22  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2585
2586         PR target/98636
2587         * optc-save-gen.awk: Add arm_fp16_format to checked_options.
2588
2589 2021-01-22  liuhongt  <hongtao.liu@intel.com>
2590
2591         PR target/96891
2592         PR target/98348
2593         * config/i386/sse.md (VI_128_256): New mode iterator.
2594         (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
2595          *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
2596          *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
2597         define_insn_and_split to lower avx512 vector comparison to avx
2598         version when dest is vector.
2599         (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
2600         define_insn_and_split for negating the comparison result.
2601         * config/i386/predicates.md (float_vector_all_ones_operand):
2602         New predicate.
2603         * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
2604         general NOT operator without UNSPEC_MASKOP.
2605
2606 2021-01-21  Vladimir N. Makarov  <vmakarov@redhat.com>
2607
2608         PR rtl-optimization/98777
2609         * lra-int.h (lra_pmode_pseudo): New extern.
2610         * lra.c (lra_pmode_pseudo): New global.
2611         (lra): Set it up.
2612         * lra-eliminations.c (eliminate_regs_in_insn): Use it.
2613
2614 2021-01-21  Ilya Leoshkevich  <iii@linux.ibm.com>
2615
2616         * fwprop.c (fwprop_propagation::classify_result): Allow
2617         (subreg (mem)) simplifications.
2618
2619 2021-01-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2620
2621         * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
2622         Split into...
2623         (aarch64_sqdmlal<mode>): ... This...
2624         (aarch64_sqdmlsl<mode>): ... And this.
2625         (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
2626         (aarch64_sqdmlal_lane<mode>): ... This...
2627         (aarch64_sqdmlsl_lane<mode>): ... And this.
2628         (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
2629         (aarch64_sqdmlsl_laneq<mode>): ... This...
2630         (aarch64_sqdmlal_laneq<mode>):  ... And this.
2631         (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
2632         (aarch64_sqdmlsl_n<mode>): ... This...
2633         (aarch64_sqdmlal_n<mode>): ... And this.
2634         (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
2635         (aarch64_sqdmlal2<mode>_internal): ... This...
2636         (aarch64_sqdmlsl2<mode>_internal): ... And this.
2637
2638 2021-01-21  Christophe Lyon  <christophe.lyon@linaro.org>
2639
2640         * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
2641
2642 2021-01-21  Andrea Corallo  <andrea.corallo@arm.com>
2643
2644         PR target/96372
2645         * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
2646
2647 2021-01-21  liuhongt  <hongtao.liu@intel.com>
2648
2649         PR rtl-optimization/98694
2650         * regcprop.c (copy_value): If SRC had been assigned a mode
2651         narrower than the copy, we can't link DEST into the chain even
2652         they have same hard_regno_nregs(i.e. HImode/SImode in i386
2653         backend).
2654
2655 2021-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2656
2657         * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
2658         Convert to define_insn_and_split.  Split into simple move when moving
2659         bottom element.
2660
2661 2021-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
2662
2663         * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
2664         Adjust comment.  Simplify code.
2665
2666 2021-01-20  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR debug/98765
2669         * dwarf2out.c (reset_indirect_string): Also reset indirect strings
2670         with DW_FORM_line_strp form.
2671         (prune_unused_types_update_strings): Don't add into debug_str_hash
2672         indirect strings with DW_FORM_line_strp form.
2673         (adjust_name_comp_dir): New function.
2674         (dwarf2out_finish): Call it on CU DIEs after resetting
2675         debug_line_str_hash.
2676
2677 2021-01-20  Vladimir N. Makarov  <vmakarov@redhat.com>
2678
2679         PR rtl-optimization/98722
2680         * lra-eliminations.c (eliminate_regs_in_insn): Check that target
2681         has no 3-op add insn to transform insns containing two pluses.
2682
2683 2021-01-20  Richard Biener  <rguenther@suse.de>
2684
2685         * hwint.h (add_hwi): New function.
2686         (mul_hwi): Likewise.
2687         * tree-data-ref.c (initialize_matrix_A): Properly translate
2688         tree constants and avoid HOST_WIDE_INT_MIN.
2689         (lambda_matrix_row_add): Avoid undefined integer overflow
2690         and return true on such overflow.
2691         (lambda_matrix_right_hermite): Handle overflow from
2692         lambda_matrix_row_add gracefully.  Simplify previous fix.
2693         (analyze_subscript_affine_affine): Likewise.
2694
2695 2021-01-20  Eugene Rozenfeld  <erozen@microsoft.com>
2696
2697         PR tree-optimization/96674
2698         * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
2699         x >= y && y != XXX_MIN --> x > y - 1
2700
2701 2021-01-20  Richard Sandiford  <richard.sandiford@arm.com>
2702
2703         PR tree-optimization/98535
2704         * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
2705         If the high and low permutes are the same, remove the high permutes
2706         from the working set and only continue with the low ones.
2707
2708 2021-01-20  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR tree-optimization/98721
2711         * builtins.c (access_ref::inform_access): Don't assume
2712         SSA_NAME_IDENTIFIER must be non-NULL.  Print messages about
2713         object whenever allocfn is NULL, rather than only when DECL_P
2714         is true.  Use %qE instead of %qD for that.  Formatting fixes.
2715
2716 2021-01-20  Richard Biener  <rguenther@suse.de>
2717
2718         PR tree-optimization/98758
2719         * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
2720         (lambda_matrix_right_hermite): Avoid undefinedness with
2721         signed integer abs and multiplication.
2722         (analyze_subscript_affine_affine): Use lambda_int.
2723
2724 2021-01-20  David Malcolm  <dmalcolm@redhat.com>
2725
2726         PR debug/98751
2727         * dwarf2out.c (output_line_info): Rename static variable
2728         "generation", moving it out of the function to...
2729         (output_line_info_generation): New.
2730         (init_sections_and_labels): Likewise, renaming the variable to...
2731         (init_sections_and_labels_generation): New.
2732         (dwarf2out_c_finalize): Reset the new variables.
2733
2734 2021-01-19  Martin Sebor  <msebor@redhat.com>
2735
2736         PR middle-end/98664
2737         * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
2738         all functions, even if they're not declared artificial or inline.
2739         * tree.c (tree_inlined_location): Use macro expansion location
2740         only if scope traversal fails to expose one.
2741
2742 2021-01-19  Richard Sandiford  <richard.sandiford@arm.com>
2743
2744         PR rtl-optimization/92294
2745         * alias.c (compare_base_symbol_refs): Take an extra parameter
2746         and add the distance between two symbols to it.  Enshrine in
2747         comments that -1 means "either 0 or 1, but we can't tell
2748         which at compile time".
2749         (memrefs_conflict_p): Update call accordingly.
2750         (rtx_equal_for_memref_p): Likewise.  Take the distance between symbols
2751         into account.
2752
2753 2021-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2754
2755         * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
2756         sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
2757         uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
2758         sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
2759         sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
2760         sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
2761         sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
2762         sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
2763         sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
2764         uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
2765         sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
2766         sqmovun): Use NONE flags.
2767
2768 2021-01-19  Richard Biener  <rguenther@suse.de>
2769
2770         PR ipa/98330
2771         * ipa-modref.c (analyze_stmt): Only record a summary for a
2772         direct call.
2773
2774 2021-01-19  Richard Biener  <rguenther@suse.de>
2775
2776         PR middle-end/98638
2777         * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
2778
2779 2021-01-19  Daniel Hellstrom  <daniel@gaisler.com>
2780
2781         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
2782         built-in define __FIX_LEON3FT_TN0018.
2783
2784 2021-01-19  Richard Biener  <rguenther@suse.de>
2785
2786         PR ipa/97673
2787         * tree-inline.c (tree_function_versioning): Set input_location
2788         to UNKNOWN_LOCATION throughout the function.
2789
2790 2021-01-19  Tobias Burnus  <tobias@codesourcery.com>
2791
2792         PR fortran/98476
2793         * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
2794
2795 2021-01-19  Martin Jambor  <mjambor@suse.cz>
2796
2797         PR ipa/98690
2798         * ipa-sra.c (ssa_name_only_returned_p): New parameter fun.  Check
2799         whether non-call exceptions allow removal of a statement.
2800         (isra_analyze_call): Pass the appropriate function to
2801         ssa_name_only_returned_p.
2802
2803 2021-01-19  Geng Qi  <gengqi@linux.alibaba.com>
2804
2805         * config/riscv/arch-canonicalize (longext_sort): New function for
2806          sorting 'multi-letter'.
2807         * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
2808         'alts'. The 'arch' may not be the first of 'alts'.
2809         (_expand_combination): Add underline for the 'ext' without '*'.
2810         This is because, a single-letter extension can always be treated well
2811         with a '_' prefix, but it cannot be separated out if it is appended
2812         to a multi-letter.
2813
2814 2021-01-18  Vladimir N. Makarov  <vmakarov@redhat.com>
2815
2816         PR target/97847
2817         * ira.c (ira): Skip abnormal critical edge splitting.
2818
2819 2021-01-18  Jakub Jelinek  <jakub@redhat.com>
2820
2821         PR tree-optimization/98727
2822         * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
2823         second .MUL_OVERFLOW operand for signed multiplication with overflow
2824         checking if the second operand of multiplication is not constant.
2825
2826 2021-01-18  David Edelsohn  <dje.gcc@gmail.com>
2827
2828         * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
2829         defaults to version 4.
2830
2831 2021-01-18  David Malcolm  <dmalcolm@redhat.com>
2832
2833         * attribs.h (fndecl_dealloc_argno): New decl.
2834         * builtins.c (call_dealloc_argno): Split out second half of
2835         function into...
2836         (fndecl_dealloc_argno): New.
2837         * doc/extend.texi (Common Function Attributes): Document the
2838         interaction between the analyzer and the malloc attribute.
2839         * doc/invoke.texi (Static Analyzer Options): Likewise.
2840
2841 2021-01-17  David Edelsohn  <dje.gcc@gmail.com>
2842
2843         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
2844         dwarf_version to 4.
2845         * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2846
2847 2021-01-17  Martin Jambor  <mjambor@suse.cz>
2848
2849         PR ipa/98222
2850         * cgraph.c (clone_of_p): Check also former_clone_of as we climb
2851         the clone tree.
2852
2853 2021-01-17  Mark Wielaard  <mark@klomp.org>
2854
2855         * common.opt (gdwarf-): Init(5).
2856         * doc/invoke.texi (-gdwarf): Document default to 5.
2857
2858 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
2859
2860         * builtin-types.def
2861         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
2862         to...
2863         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
2864         ...this.  Add extra argument.
2865         * gimplify.c (omp_default_clause): Ensure that event handle is
2866         firstprivate in a task region.
2867         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
2868         (gimplify_adjust_omp_clauses): Likewise.
2869         * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
2870         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
2871         * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
2872         if detach clause specified.  Add detach argument when generating
2873         call to GOMP_task.
2874         * omp-low.c (scan_sharing_clauses): Setup data environment for detach
2875         clause.
2876         (finish_taskreg_scan): Move field for variable containing the event
2877         handle to the front of the struct.
2878         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH.  Fix
2879         ordering.
2880         * tree-nested.c (convert_nonlocal_omp_clauses): Handle
2881         OMP_CLAUSE_DETACH clause.
2882         (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
2883         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
2884         * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
2885         Fix ordering.
2886         (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH.  Fix
2887         ordering.
2888         (walk_tree_1): Handle OMP_CLAUSE_DETACH.
2889
2890 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2891
2892         * config/nios2/t-rtems: Reset all MULTILIB_* variables.  Shorten
2893         multilib directory names.  Use MULTILIB_REQUIRED instead of
2894         MULTILIB_EXCEPTIONS.  Add -mhw-mul -mhw-mulx -mhw-div
2895         -mcustom-fpu-cfg=fph2 multilib.
2896
2897 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2898
2899         * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
2900         (nios2_init_fpu_configs): Provide register values for new
2901         -mcustom-fpu-cfg=fph2 option variant.
2902         * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
2903         variant.
2904
2905 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2906
2907         * config/nios2/nios2.c (nios2_custom_check_insns): Remove
2908         custom instruction warnings.
2909
2910 2021-01-16  Jakub Jelinek  <jakub@redhat.com>
2911
2912         PR tree-optimization/96669
2913         * match.pd ((CST << x) & 1 -> x == 0): New simplification.
2914
2915 2021-01-16  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR tree-optimization/96271
2918         * passes.def: Pass false argument to first two pass_cd_dce
2919         instances and true to last instance.  Add comment that
2920         last instance rewrites no longer addressed locals.
2921         * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
2922         initialize it.
2923         (pass_cd_dce::set_pass_param): New method.
2924         (pass_cd_dce::execute): Return TODO_update_address_taken from
2925         last cd_dce instance.
2926
2927 2021-01-15  Carl Love  <cel@us.ibm.com>
2928
2929         * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
2930         New defines.
2931         * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
2932         * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
2933         DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
2934         DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
2935         MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
2936         Add builtin define.
2937         (MULH, DIVE, MOD):  Add new BU_P10_OVERLOAD_2 definitions.
2938         * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
2939         VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
2940         New overloaded definitions.
2941         (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
2942         P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
2943         P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
2944         P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
2945         P10V_BUILTIN_MULHU_V4SI]: Add case
2946         statement for builtins.
2947         * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
2948         * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
2949         (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
2950         (vsx_mul_v2di): Add if TARGET_POWER10 statement.
2951         (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
2952         (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
2953         mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
2954         Add define_insn, mode is VIlong.
2955         * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
2956         Add builtin descriptions.
2957
2958 2021-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2959
2960         * final.c (final_start_function_1): Reset force_source_line.
2961
2962 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
2963
2964         PR tree-optimization/96669
2965         * match.pd (((1 << A) & 1) != 0 -> A == 0,
2966         ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
2967         possibly different power of two constants and to right shift too.
2968
2969 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
2970
2971         PR tree-optimization/96681
2972         * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
2973         ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
2974         ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
2975         ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
2976
2977 2021-01-15  Alexandre Oliva  <oliva@adacore.com>
2978
2979         * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
2980
2981 2021-01-15  Tamar Christina  <tamar.christina@arm.com>
2982
2983         * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
2984         cmul<conj_op><mode>3): New.
2985         * config/aarch64/iterators.md (UNSPEC_FCMUL,
2986         UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
2987         UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
2988         FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
2989         sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
2990         (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
2991         (rot_op): Renamed to conj_op.
2992         * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
2993         cmul<conj_op><mode>3): New.
2994         * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
2995         cmul<conj_op><mode>3): New.
2996
2997 2021-01-15  David Malcolm  <dmalcolm@redhat.com>
2998
2999         PR bootstrap/98696
3000         * diagnostic.c
3001         (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
3002         Escape the tempfile name when constructing the expected output.
3003
3004 2021-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3005
3006         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
3007         Rename to...
3008         (aarch64_<su>mlsl_hi<mode>): ... This.
3009         (aarch64_<su>mlsl_hi<mode>): Define.
3010         (*aarch64_<su>mlsl<mode): Rename to...
3011         (aarch64_<su>mlsl<mode): ... This.
3012         * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
3013         smlsl_hi, umlsl_hi): Define builtins.
3014         * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
3015         vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
3016         vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
3017         vmlsl_u16, vmlsl_u32): Reimplement with builtins.
3018
3019 2021-01-15  Uroš Bizjak  <ubizjak@gmail.com>
3020
3021         * config/i386/i386-c.c (ix86_target_macros):
3022         Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
3023
3024 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3025
3026         PR target/88836
3027         * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
3028         * Makefile.in (RTL_SSA_H): New variable.
3029         * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
3030         * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
3031         * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
3032         pass_combine.
3033         * config/aarch64/aarch64-cc-fusion.cc: New file.
3034
3035 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3036
3037         * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
3038         calling cancel_changes for changes that no longer exist.
3039
3040 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
3041
3042         * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
3043         (function_info::reg_defs): ...this.
3044         * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
3045         (function_info::reg_defs): ...this.
3046
3047 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3048
3049         PR target/71233
3050         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
3051
3052 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3053
3054         Revert:
3055         2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3056
3057         PR target/71233
3058         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
3059
3060 2021-01-15  Richard Biener  <rguenther@suse.de>
3061
3062         PR tree-optimization/96376
3063         * tree-vect-stmts.c (get_load_store_type): Disregard alignment
3064         for VMAT_INVARIANT.
3065
3066 2021-01-15  Martin Liska  <mliska@suse.cz>
3067
3068         * doc/install.texi: Document that some tests need pytest module.
3069         * doc/sourcebuild.texi: Likewise.
3070
3071 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3072
3073         PR target/71233
3074         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
3075
3076 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3077
3078         * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
3079         (mve_vshrq_n_u<mode>_imm): Likewise.
3080         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
3081         * config/arm/vec-common.md: ... here.
3082
3083 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
3084
3085         * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
3086         vec-commond.md.
3087         * config/arm/neon.md (vashl<mode>3): Delete.
3088         * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
3089         (vasl<mode>3): New expander.
3090
3091 2021-01-15  Richard Biener  <rguenther@suse.de>
3092
3093         PR tree-optimization/98685
3094         * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
3095         of vector extern defs.
3096
3097 2021-01-14  David Malcolm  <dmalcolm@redhat.com>
3098
3099         PR jit/98586
3100         * diagnostic.c (diagnostic_kind_text): Break out this array
3101         from...
3102         (diagnostic_build_prefix): ...here.
3103         (fancy_abort): Detect when diagnostic_initialize has not yet been
3104         called and fall back to a minimal implementation of printing the
3105         ICE, rather than segfaulting in internal_error.
3106
3107 2021-01-14  David Malcolm  <dmalcolm@redhat.com>
3108
3109         * diagnostic.c (diagnostic_initialize): Eliminate
3110         parseable_fixits_p in favor of initializing extra_output_kind from
3111         GCC_EXTRA_DIAGNOSTIC_OUTPUT.
3112         (convert_column_unit): New function, split out from...
3113         (diagnostic_converted_column): ...this.
3114         (print_parseable_fixits): Add "column_unit" and "tabstop" params.
3115         Use them to call convert_column_unit on the column values.
3116         (diagnostic_report_diagnostic): Eliminate conditional on
3117         parseable_fixits_p in favor of a switch statement on
3118         extra_output_kind, passing the appropriate values to the new
3119         params of print_parseable_fixits.
3120         (selftest::test_print_parseable_fixits_none): Update for new
3121         params of print_parseable_fixits.
3122         (selftest::test_print_parseable_fixits_insert): Likewise.
3123         (selftest::test_print_parseable_fixits_remove): Likewise.
3124         (selftest::test_print_parseable_fixits_replace): Likewise.
3125         (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
3126         New.
3127         (selftest::diagnostic_c_tests): Call it.
3128         * diagnostic.h (enum diagnostics_extra_output_kind): New.
3129         (diagnostic_context::parseable_fixits_p): Delete field in favor
3130         of...
3131         (diagnostic_context::extra_output_kind): ...this new field.
3132         * doc/invoke.texi (Environment Variables): Add
3133         GCC_EXTRA_DIAGNOSTIC_OUTPUT.
3134         * opts.c (common_handle_option): Update handling of
3135         OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
3136         fields.
3137
3138 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3139
3140         * tree-vect-slp-patterns.c (class complex_operations_pattern,
3141         complex_operations_pattern::matches,
3142         complex_operations_pattern::recognize,
3143         complex_operations_pattern::build): New.
3144         (slp_patterns): Use it.
3145
3146 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3147
3148         * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
3149         * optabs.def (cmls_optab, cmls_conj_optab): New.
3150         * doc/md.texi: Document them.
3151         * tree-vect-slp-patterns.c (class complex_fms_pattern,
3152         complex_fms_pattern::matches, complex_fms_pattern::recognize,
3153         complex_fms_pattern::build): New.
3154
3155 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3156
3157         * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
3158         * optabs.def (cmla_optab, cmla_conj_optab): New.
3159         * doc/md.texi: Document them.
3160         * tree-vect-slp-patterns.c (vect_match_call_p,
3161         class complex_fma_pattern, vect_slp_reset_pattern,
3162         complex_fma_pattern::matches, complex_fma_pattern::recognize,
3163         complex_fma_pattern::build): New.
3164
3165 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3166
3167         * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
3168         * optabs.def (cmul_optab, cmul_conj_optab): New.
3169         * doc/md.texi: Document them.
3170         * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
3171         vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
3172         vect_build_combine_node, class complex_mul_pattern,
3173         complex_mul_pattern::matches, complex_mul_pattern::recognize,
3174         complex_mul_pattern::build): New.
3175
3176 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3177
3178         * tree-vect-slp.c (optimize_load_redistribution_1): New.
3179         (optimize_load_redistribution, vect_is_slp_load_node): New.
3180         (vect_match_slp_patterns): Use it.
3181
3182 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
3183
3184         * tree-vect-slp-patterns.c (complex_add_pattern::build):
3185         Elide nodes.
3186
3187 2021-01-14  Thomas Schwinge  <thomas@codesourcery.com>
3188
3189         * config/gcn/mkoffload.c (main): Create an offload image only in
3190         64-bit configurations.
3191
3192 2021-01-14  H.J. Lu  <hjl.tools@gmail.com>
3193
3194         PR target/98667
3195         * config/i386/i386-options.c (ix86_option_override_internal):
3196         Issue an error for -fcf-protection with CF_BRANCH when compiling
3197         for 32-bit non-TARGET_CMOV targets.
3198
3199 2021-01-14  Uroš Bizjak  <ubizjak@gmail.com>
3200
3201         PR target/98671
3202         * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
3203         Remove declaration and initialization of shadow variable "ret".
3204         (ix86_option_override_internal): Remove delcaration of
3205         shadow variable "i".  Redeclare shadowed variable to unsigned.
3206         * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
3207         * config/i386/i386-builtins.c (get_builtin_code_for_version):
3208         Update for redeclaration.
3209         * config/i386/i386.h (pta_size): Ditto.
3210
3211 2021-01-14  Richard Biener  <rguenther@suse.de>
3212
3213         PR tree-optimization/98674
3214         * tree-data-ref.c (base_supports_access_fn_components_p): New.
3215         (initialize_data_dependence_relation): For two bases without
3216         possible access fns resort to type size equality when determining
3217         shape compatibility.
3218
3219 2021-01-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3220
3221         PR target/66791
3222         * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
3223         <=, >= operators in vcle and vcge intrinsics respectively.
3224         * config/arm/arm_neon_builtins.def: Remove entry for
3225         vcge and vcgeu.
3226
3227 2021-01-14  Uroš Bizjak  <ubizjak@gmail.com>
3228
3229         PR target/98671
3230         * config/i386/i386-options.c (ix86_function_specific_save):
3231         Remove redundant assignment to opts->x_ix86_branch_cost.
3232         * config/i386/i386.c (ix86_prefetch_sse):
3233         Rename from x86_prefetch_sse.  Update all uses.
3234         * config/i386/i386.h: Update for rename.
3235         * config/i386/i386-options.h: Ditto.
3236
3237 2021-01-14  Jakub Jelinek  <jakub@redhat.com>
3238
3239         PR target/98670
3240         * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
3241         *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
3242         Use Bm instead of m for non-avx.  Add isa attribute.
3243
3244 2021-01-14  Jakub Jelinek  <jakub@redhat.com>
3245
3246         PR tree-optimization/96688
3247         * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
3248         ~X can be simplified.
3249
3250 2021-01-14  Richard Sandiford  <richard.sandiford@arm.com>
3251
3252         * tree-vect-stmts.c (vect_model_load_cost): Account for unused
3253         IFN_LOAD_LANES results.
3254
3255 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3256
3257         * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
3258         Define.
3259         (aarch64_xtn<mode>): Likewise.
3260         * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
3261         Define
3262         builtins.
3263         * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
3264         builtin.
3265         (vmovl_s16): Likewise.
3266         (vmovl_s32): Likewise.
3267         (vmovl_u8): Likewise.
3268         (vmovl_u16): Likewise.
3269         (vmovl_u32): Likewise.
3270         (vmovn_s16): Likewise.
3271         (vmovn_s32): Likewise.
3272         (vmovn_s64): Likewise.
3273         (vmovn_u16): Likewise.
3274         (vmovn_u32): Likewise.
3275         (vmovn_u64): Likewise.
3276
3277 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3278
3279         * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
3280         Define.
3281         (aarch64_<su>qxtn2<mode>_be): Likewise.
3282         (aarch64_<su>qxtn2<mode>): Likewise.
3283         * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
3284         Define builtins.
3285         * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
3286         (su): Handle ss_truncate and us_truncate.
3287         * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
3288         builtin.
3289         (vqmovn_high_s32): Likewise.
3290         (vqmovn_high_s64): Likewise.
3291         (vqmovn_high_u16): Likewise.
3292         (vqmovn_high_u32): Likewise.
3293         (vqmovn_high_u64): Likewise.
3294
3295 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3296
3297         * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
3298         Define.
3299         (aarch64_xtn2<mode>_be): Likewise.
3300         (aarch64_xtn2<mode>): Likewise.
3301         * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
3302         builtins.
3303         * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
3304         builtins.
3305         (vmovn_high_s32): Likewise.
3306         (vmovn_high_s64): Likewise.
3307         (vmovn_high_u16): Likewise.
3308         (vmovn_high_u32): Likewise.
3309         (vmovn_high_u64): Likewise.
3310
3311 2021-01-13  Stafford Horne  <shorne@gmail.com>
3312
3313         * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
3314
3315 2021-01-13  Stafford Horne  <shorne@gmail.com>
3316
3317         * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
3318
3319 2021-01-13  Stafford Horne  <shorne@gmail.com>
3320
3321         * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
3322           define for __or1k_hard_float__.
3323
3324 2021-01-13  Stafford Horne  <shorne@gmail.com>
3325
3326         * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
3327         (PROFILE_HOOK): Define to call _mcount.
3328         (FUNCTION_PROFILER): Change from abort to no-op.
3329
3330 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
3331
3332         PR tree-optimization/96691
3333         * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
3334         (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
3335         (~D ^ C) or (D ^ C) can be simplified.
3336
3337 2021-01-13  Richard Biener  <rguenther@suse.de>
3338
3339         PR tree-optimization/92645
3340         * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
3341         until after vector lowering.
3342
3343 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3344
3345         * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
3346         to SVE_I.
3347         (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
3348         (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
3349
3350 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3351
3352         * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
3353         to SVE_I.
3354         (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
3355         (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
3356
3357 2021-01-13  Richard Biener  <rguenther@suse.de>
3358
3359         PR tree-optimization/92645
3360         * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
3361         BIT_FIELD_REF argument.
3362         (vect_build_slp_tree_2): Record the desired vector type
3363         on the external vector def.
3364         (vectorizable_slp_permutation): Handle required punning
3365         of existing vector defs.
3366
3367 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3368
3369         * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
3370
3371 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
3372
3373         * config/sh/sh.md (movsf_ie): Remove operands[2] test.
3374
3375 2021-01-13  Samuel Thibault  <samuel.thibault@ens-lyon.org>
3376
3377         * config.gcc [$target == *-*-gnu*]: Enable
3378         'default_gnu_indirect_function'.
3379
3380 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
3381
3382         PR target/95905
3383         * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
3384         registers before calling targetm.vectorize.vec_perm_const, only after
3385         that.
3386         * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
3387         two argument permutation when one operand is zero vector and only
3388         after that force operands into registers.
3389         * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
3390         define_insn_and_split pattern.
3391         (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
3392         (*avx512f_zero_extendv16hiv16si2_1): Likewise.
3393         (*avx2_zero_extendv8hiv8si2_1): Likewise.
3394         (*avx512f_zero_extendv8siv8di2_1): Likewise.
3395         (*avx2_zero_extendv4siv4di2_1): Likewise.
3396         * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
3397         into registers.
3398         * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
3399         * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
3400         * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
3401         * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
3402         * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
3403         * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise.  Use std::swap.
3404
3405 2021-01-13  Martin Liska  <mliska@suse.cz>
3406
3407         PR tree-optimization/98455
3408         * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
3409         Record also virtual PHIs.
3410         (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
3411         conditionally.
3412
3413 2021-01-13  Jonathan Wakely  <jwakely@redhat.com>
3414
3415         * doc/invoke.texi (C++ Modules): Fix typos.
3416
3417 2021-01-13  Richard Biener  <rguenther@suse.de>
3418
3419         PR tree-optimization/98640
3420         * tree-ssa-sccvn.c (visit_nary_op): Do not try to
3421         handle plus or minus from a truncated operand to be
3422         sign-extended.
3423
3424 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR target/96938
3427         * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
3428         define_insn_and_split patterns.
3429         (splitter after *btr<mode>_2): New splitter.
3430
3431 2021-01-13  Martin Liska  <mliska@suse.cz>
3432
3433         PR ipa/98652
3434         * cgraphunit.c (analyze_functions): Remove dead code.
3435
3436 2021-01-13  Qian Jianhua  <qianjh@cn.fujitsu.com>
3437
3438         * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
3439         * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
3440         (a64fx_regmove_cost, a64fx_vector_cost): New.
3441         (a64fx_tunings): Use the new added cost tables.
3442
3443 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR target/95905
3446         * config/i386/predicates.md (pmovzx_parallel): New predicate.
3447         * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
3448         define_insn_and_split pattern.
3449         (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
3450         (*sse4_1_zero_extendv2siv2di2_3): Likewise.
3451
3452 2021-01-13  Julian Brown  <julian@codesourcery.com>
3453
3454         * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
3455         to fix v0 register.
3456
3457 2021-01-13  Julian Brown  <julian@codesourcery.com>
3458
3459         * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
3460         on entry to a BB.
3461
3462 2021-01-13  Julian Brown  <julian@codesourcery.com>
3463
3464         * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
3465         for reciprocal-approximation instructions.
3466         (div<mode>3): Use fused multiply-accumulate operations for reciprocal
3467         refinement and division result.
3468         * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
3469
3470 2021-01-13  Julian Brown  <julian@codesourcery.com>
3471
3472         * config/gcn/gcn-valu.md (subdf): Rename to...
3473         (subdf3): This.
3474
3475 2021-01-12  Martin Liska  <mliska@suse.cz>
3476
3477         * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
3478
3479 2021-01-12  Andrea Corallo  <andrea.corallo@arm.com>
3480
3481         * function-abi.h: Fix typo.
3482
3483 2021-01-12  Christophe Lyon  <christophe.lyon@linaro.org>
3484
3485         PR target/97875
3486         PR target/97875
3487         * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
3488         (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
3489         (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
3490         (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
3491         (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
3492         (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
3493         (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
3494         (ARM_HAVE_NEON_V2DI_LDST): Likewise.
3495         (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
3496         (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
3497         (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
3498         (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
3499         (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
3500         (ARM_HAVE_V2DI_LDST): Likewise.
3501         * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
3502         (*movmisalign<mode>_mve_load): New pattern.
3503         * config/arm/neon.md (movmisalign<mode>): Move to ...
3504         * config/arm/vec-common.md: ... here.
3505
3506 2021-01-12  Vladimir N. Makarov  <vmakarov@redhat.com>
3507
3508         PR target/97969
3509         * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
3510         of pattern 'plus (plus (hard reg, const), pseudo)'.
3511
3512 2021-01-12  Richard Biener  <rguenther@suse.de>
3513
3514         PR tree-optimization/98550
3515         * tree-vect-slp.c (vect_record_max_nunits): Check whether
3516         the group size is a multiple of the vector element count.
3517         (vect_build_slp_tree_1): When we need to fail because
3518         the vector type choosen causes unrolling do so lazily
3519         without affecting matches only at the end to guide group splitting.
3520
3521 2021-01-12  Martin Liska  <mliska@suse.cz>
3522
3523         PR c++/97284
3524         * optc-save-gen.awk: Compare also n_target_save vars with
3525         strcmp.
3526
3527 2021-01-12  Martin Liska  <mliska@suse.cz>
3528
3529         * gcov.c (source_info::debug): New.
3530         (print_usage): Add --debug (-D) option.
3531         (process_args): Likewise.
3532         (generate_results): Call src->debug after
3533         accumulate_line_counts.
3534         (read_graph_file): Properly assign id for EXIT_BLOCK.
3535         * profile.c (branch_prob): Dump function body before it is
3536         instrumented.
3537
3538 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
3539
3540         PR tree-optimization/98629
3541         * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
3542         unless returning non-zero.
3543
3544 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR tree-optimization/95731
3547         * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
3548         x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
3549         (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
3550         only after optimize_range_tests_var_bound.
3551
3552 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
3553
3554         * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
3555         * configure: Regenerated.
3556
3557 2021-01-12  liuhongt  <hongtao.liu@intel.com>
3558
3559         PR target/98612
3560         * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
3561         Deleted.
3562         * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
3563         dead code.
3564
3565 2021-01-12  Alexandre Oliva  <oliva@adacore.com>
3566
3567         * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
3568         declare.
3569         (auto_end_imm_use_stmt_traverse): New struct.
3570         (FOR_EACH_IMM_USE_STMT): Use it.
3571         (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
3572         along with uses...
3573         * gimple-ssa-strength-reduction.c: ... here, ...
3574         * graphite-scop-detection.c: ... here, ...
3575         * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
3576         * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
3577         * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
3578         * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
3579         * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
3580         * tree-vect-slp.c: ... and here, ...
3581         * doc/tree-ssa.texi: ... and the example here.
3582
3583 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3584
3585         * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
3586         SVE_FULL_I to SVE_I.  Generate an UNSPEC_PRED_X.
3587         (*sdiv_pow2<mode>3): New pattern.
3588         (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
3589         Wrap the ASRD in an UNSPEC_PRED_X.
3590         (*cond_<sve_int_op><mode>_2): Likewise.  Replace the UNSPEC_PRED_X
3591         predicate with a constant PTRUE, if it isn't already.
3592         (*cond_<sve_int_op><mode>_z): Replace with...
3593         (*cond_<sve_int_op><mode>_any): ...this new pattern.
3594
3595 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3596
3597         * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
3598         SVE_FULL_I to SVE_I.
3599         (*cond_bic<mode>_any): Likewise.
3600
3601 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3602
3603         * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
3604         (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
3605         to SVE_I.
3606
3607 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3608
3609         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
3610         SVE_FULL_I to SVE_I.
3611         (*aarch64_cond_<su>abd<mode>_2): Likewise.
3612         (*aarch64_cond_<su>abd<mode>_any): Likewise.
3613         (@aarch64_pred_<su>abd<mode>): Likewise.  Use UNSPEC_PRED_X
3614         for the max and min but not for the minus.
3615         (*aarch64_cond_<su>abd<mode>_3): New pattern.
3616
3617 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3618
3619         * config/aarch64/iterators.md (SVE_24I): New iterator.
3620         * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
3621         SVE_FULL_SDI to SVE_24I.  Use containers rather than elements.
3622
3623 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3624
3625         * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
3626         (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
3627         to SVE_I.
3628         (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
3629         (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
3630         (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
3631         (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
3632
3633 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3634
3635         * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
3636         (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
3637         (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
3638         to SVE_I.
3639
3640 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
3641
3642         * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
3643         (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
3644         (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
3645
3646 2021-01-11  Martin Liska  <mliska@suse.cz>
3647
3648         PR jit/98615
3649         * symtab-clones.h (clone_info::release): Release
3650         symtab::m_clones with ggc_delete as it's a GGC memory.
3651
3652 2021-01-11  Matthias Klose  <doko@ubuntu.com>
3653
3654         * Makefile.in (LINK_PROGRESS): Show the link target.
3655
3656 2021-01-11  Richard Biener  <rguenther@suse.de>
3657
3658         PR tree-optimization/91403
3659         * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
3660         single-element interleaving group size at 4096 elements.
3661
3662 2021-01-11  Richard Biener  <rguenther@suse.de>
3663
3664         PR tree-optimization/98526
3665         * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
3666         of the actual reduction op for the regular case.
3667         (vectorizable_reduction): Cost the stmts
3668         vect_transform_reduction produces here.
3669
3670 2021-01-11  Andreas Krebbel  <krebbel@linux.ibm.com>
3671
3672         * tree-ssa-forwprop.c (simplify_vector_constructor): For
3673         big-endian, use UNPACK[_FLOAT]_HI.
3674
3675 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
3676
3677         * tree-vect-slp-patterns.c (class complex_pattern,
3678         class complex_add_pattern): Add parameters to matches.
3679         (complex_add_pattern::build): Free memory.
3680         (complex_add_pattern::matches): Move validation end of match.
3681         (complex_add_pattern::recognize): Likewise.
3682
3683 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
3684
3685         * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
3686
3687 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
3688
3689         * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
3690
3691 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
3692
3693         PR tree-optimization/95867
3694         * tree-ssa-math-opts.h: New header.
3695         * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
3696         (powi_as_mults): No longer static.  Use build_one_cst instead of
3697         build_real.  Formatting fix.
3698         * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
3699         (attempt_builtin_powi): Handle multiplication reassociation without
3700         powi_fndecl using powi_as_mults.
3701         (reassociate_bb): For integral types don't require
3702         -funsafe-math-optimizations to call attempt_builtin_powi.
3703
3704 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
3705
3706         PR tree-optimization/95852
3707         * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
3708         mul_stmts parameter type to vec<gimple *> &.  Before cond_stmt
3709         allow in the bb any of the stmts in that vector, div_stmt and
3710         up to 3 cast stmts.
3711         (arith_cast_equal_p): New function.
3712         (arith_overflow_check_p): Add cast_stmt argument, handle signed
3713         multiply overflow checks.
3714         (match_arith_overflow): Adjust caller.  Handle signed multiply
3715         overflow checks.
3716
3717 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR tree-optimization/95852
3720         * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
3721         (uaddsub_overflow_check_p): Renamed to ...
3722         (arith_overflow_check_p): ... this.  Handle also multiplication
3723         with overflow check.
3724         (match_uaddsub_overflow): Renamed to ...
3725         (match_arith_overflow): ... this.  Add cfg_changed argument.  Handle
3726         also multiplication with overflow check.  Adjust function comment.
3727         (math_opts_dom_walker::after_dom_children): Adjust callers.  Call
3728         match_arith_overflow also for MULT_EXPR.
3729
3730 2021-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3731
3732         * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
3733         __builtin_convertvector.
3734         (vmovl_s16): Likewise.
3735         (vmovl_s32): Likewise.
3736         (vmovl_u8): Likewise.
3737         (vmovl_u16): Likewise.
3738         (vmovl_u32): Likewise.
3739         (vmovn_s16): Likewise.
3740         (vmovn_s32): Likewise.
3741         (vmovn_s64): Likewise.
3742         (vmovn_u16): Likewise.
3743         (vmovn_u32): Likewise.
3744         (vmovn_u64): Likewise.
3745
3746 2021-01-11  Martin Liska  <mliska@suse.cz>
3747
3748         * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
3749         (if_chain::is_beneficial): Delete clusters
3750         (find_conditions): Make second argument of conditions_in_bbs a
3751         pointer so that we control over it's lifetime.
3752         (pass_if_to_switch::execute): Delete them.
3753
3754 2021-01-11  Kewen Lin  <linkw@linux.ibm.com>
3755
3756         * ira.c (move_unallocated_pseudos): Check other_reg and skip if
3757         it isn't set.
3758
3759 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
3760
3761         * config/vax/vax.md (cc): Remove mode attribute.
3762         (subst_<cc>, subst_f<cc>): Rename to...
3763         (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
3764         (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
3765         (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
3766         (*branch_<mode>, *branch_<mode>_reversed): Likewise.
3767
3768 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
3769
3770         * config/vax/vax.md (subst_f<cc>): Add mode to operands and
3771         `const_double_zero'.
3772
3773 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
3774
3775         * config/pdp11/pdp11.md (PDPfp): New mode iterator.
3776         (fcc_cc, fcc_ccnz): Use it.  Add mode to `const_double_zero' and
3777         operands.
3778
3779 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
3780
3781         * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
3782         rtx.
3783         * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
3784         with `const_double_zero'.
3785         * doc/rtl.texi (Constant Expression Types): Document it.
3786
3787 2021-01-09  Jakub Jelinek  <jakub@redhat.com>
3788
3789         PR c++/98556
3790         * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
3791         POINTER_DIFF_EXPR to be any integral type.
3792
3793 2021-01-09  Jakub Jelinek  <jakub@redhat.com>
3794
3795         PR rtl-optimization/98603
3796         * function.c (instantiate_virtual_regs_in_insn): For asm goto
3797         with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
3798         if any, set ASM_OPERANDS mode to VOIDmode and change
3799         ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
3800
3801 2021-01-09  Alexandre Oliva  <oliva@gnu.org>
3802
3803         PR debug/97714
3804         * final.c (notice_source_line): Narrow down the condition to
3805         skip a line-0 marker.
3806
3807 2021-01-08  Sergei Trofimovich  <siarheit@google.com>
3808
3809         * ipa-modref.c (merge_call_side_effects): Fix
3810         linebreak split by reordering two print calls.
3811
3812 2021-01-08  Ilya Leoshkevich  <iii@linux.ibm.com>
3813
3814         * config/s390/vector.md (*tf_to_fprx2_0): Rename from
3815         "*mov_tf_to_fprx2_0" for consistency, fix constraint.
3816         (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
3817         consistency, fix constraint.
3818
3819 2021-01-08  Ilya Leoshkevich  <iii@linux.ibm.com>
3820
3821         * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
3822         callables instead of mask values.
3823         (struct target_flag_set_p): New predicate.
3824         (s390_cpu_cpp_builtins_internal): Define or undefine
3825         __LONG_DOUBLE_VX__ macro.
3826
3827 2021-01-08  H.J. Lu  <hjl.tools@gmail.com>
3828
3829         PR target/98482
3830         * config/i386/i386.c (x86_function_profiler): Use R10 and R11
3831         to call mcount in large model with PIC for NO_PROFILE_COUNTERS
3832         targets.
3833
3834 2021-01-08  Richard Biener  <rguenther@suse.de>
3835
3836         * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
3837
3838 2021-01-08  Richard Biener  <rguenther@suse.de>
3839
3840         * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
3841         (vect_build_slp_tree): On cache hit release the matched
3842         scalar stmts vector.
3843         * tree-vect-stmts.c (vectorizable_store): Properly free
3844         vec_oprnds before possibly gathering them again.
3845
3846 2021-01-08  Richard Biener  <rguenther@suse.de>
3847
3848         PR tree-optimization/98544
3849         * tree-vect-slp.c (vect_optimize_slp): Always materialize
3850         permutes at a permute node.
3851
3852 2021-01-08  H.J. Lu  <hjl.tools@gmail.com>
3853
3854         PR target/98482
3855         * config/i386/i386.c (x86_function_profiler): Use R10 to call
3856         mcount in large model.  Sorry for large model with PIC.
3857
3858 2021-01-08  Jakub Jelinek  <jakub@redhat.com>
3859
3860         PR target/98585
3861         * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
3862         ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
3863         ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
3864         TargetSave and initialize for variables with enum types.
3865         (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
3866         mstack-protector-guard-symbol=): Add Save.
3867         * config/i386/i386-options.c (ix86_function_specific_save,
3868         ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
3869         x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
3870         x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
3871         x_ix86_veclibabi_type.
3872
3873 2021-01-08  Richard Sandiford  <richard.sandiford@arm.com>
3874
3875         * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
3876         SVE_FULL_I to SVE_I.
3877         (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
3878
3879 2021-01-08  Richard Sandiford  <richard.sandiford@arm.com>
3880
3881         * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
3882         SVE_FULL_I to SVE_I.
3883         (*cond_uxt<mode>_any): Likewise.
3884
3885 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3886
3887         * config/aarch64/iterators.md (Vwhalf): New iterator.
3888         * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
3889         Rename to...
3890         (aarch64_<sur>adalp<mode>): ... This.  Make more
3891         builtin-friendly.
3892         (<sur>sadv16qi): Adjust callsite of the above.
3893         * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
3894         builtins.
3895         * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
3896         builtins.
3897         (vpadal_s16): Likewise.
3898         (vpadal_u8): Likewise.
3899         (vpadal_u16): Likewise.
3900         (vpadalq_s8): Likewise.
3901         (vpadalq_s16): Likewise.
3902         (vpadalq_s32): Likewise.
3903         (vpadalq_u8): Likewise.
3904         (vpadalq_u16): Likewise.
3905         (vpadalq_u32): Likewise.
3906
3907 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3908
3909         * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
3910         Rename to...
3911         (aarch64_<su>abd<mode>): ... This.
3912         (<sur>sadv16qi): Adjust callsite of the above.
3913         * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
3914         builtins.
3915         * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
3916         builtin.
3917         (vabd_s16): Likewise.
3918         (vabd_s32): Likewise.
3919         (vabd_u8): Likewise.
3920         (vabd_u16): Likewise.
3921         (vabd_u32): Likewise.
3922         (vabdq_s8): Likewise.
3923         (vabdq_s16): Likewise.
3924         (vabdq_s32): Likewise.
3925         (vabdq_u8): Likewise.
3926         (vabdq_u16): Likewise.
3927         (vabdq_u32): Likewise.
3928
3929 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3930
3931         * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
3932         builtins.
3933         * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
3934         (vaba_s16): Likewise.
3935         (vaba_s32): Likewise.
3936         (vaba_u8): Likewise.
3937         (vaba_u16): Likewise.
3938         (vaba_u32): Likewise.
3939         (vabaq_s8): Likewise.
3940         (vabaq_s16): Likewise.
3941         (vabaq_s32): Likewise.
3942         (vabaq_u8): Likewise.
3943         (vabaq_u16): Likewise.
3944         (vabaq_u32): Likewise.
3945
3946 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3947
3948         * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
3949         (aarch64_<su>aba<mode>): ... This.  Handle uaba as well.
3950         Change RTL pattern to match.
3951
3952 2021-01-08  Kito Cheng  <kito.cheng@sifive.com>
3953
3954         * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
3955         * config/riscv/riscv-c.c (riscv-subset.h): New.
3956         (INCLUDE_STRING): Define.
3957         (riscv_cpu_cpp_builtins): Add new style architecture extension
3958         test macros.
3959         * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
3960         (riscv_subset_list::end): New.
3961         (riscv_current_subset_list): New.
3962
3963 2021-01-08  Kito Cheng  <kito.cheng@sifive.com>
3964
3965         * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
3966         Move to riscv-subset.h.
3967         (struct riscv_subset_t): Ditto.
3968         (class riscv_subset_list): Ditto.
3969         * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
3970         from riscv-common.c.
3971         (struct riscv_subset_t): Ditto.
3972         (class riscv_subset_list): Ditto.
3973         * config/riscv/t-riscv ($(common_out_file)): Add file
3974         dependency.
3975
3976 2021-01-07  Jakub Jelinek  <jakub@redhat.com>
3977
3978         PR target/98567
3979         * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
3980         New define_insn patterns.
3981
3982 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
3983
3984         * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
3985         (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
3986         (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
3987
3988 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
3989
3990         PR tree-optimization/98560
3991         * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
3992         * internal-fn.c (vec_cond_mask_direct): Get the data mode from
3993         argument 1.
3994         (vec_cond_direct): Likewise argument 2.
3995         (vec_condu_direct, vec_condeq_direct): Delete.
3996         (expand_vect_cond_optab_fn): Rename to...
3997         (expand_vec_cond_optab_fn): ...this, replacing old macro.
3998         (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
3999         (expand_vect_cond_mask_optab_fn): Rename to...
4000         (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
4001         (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
4002         convert optab.
4003         (direct_vec_cond_optab_supported_p): Likewise.
4004         (direct_vec_condu_optab_supported_p): Delete.
4005         (direct_vec_condeq_optab_supported_p): Delete.
4006         * gimple-isel.cc: Include internal-fn.h.
4007         (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
4008         before using it.
4009
4010 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
4011
4012         PR tree-optimization/98560
4013         * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
4014         IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
4015
4016 2021-01-07  Uroš Bizjak  <ubizjak@gmail.com>
4017
4018         * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
4019         rotate_insn and optab code attributes.
4020         Update all uses to merged code attribute.
4021         * config/i386/sse.md: Update all uses to merged code attribute.
4022         * config/i386/mmx.md: Update all uses to merged code attribute.
4023
4024 2021-01-07  Jakub Jelinek  <jakub@redhat.com>
4025
4026         PR tree-optimization/98568
4027         * gimple-ssa-store-merging.c (bswap_view_convert): New function.
4028         (bswap_replace): Use it.
4029
4030 2021-01-06  Vladimir N. Makarov  <vmakarov@redhat.com>
4031
4032         PR rtl-optimization/97978
4033         * lra-int.h (lra_hard_reg_split_p): New external.
4034         * lra.c (lra_hard_reg_split_p): New global.
4035         (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
4036         * lra-assigns.c (lra_assign): Don't check allocation correctness
4037         after hard reg splitting.
4038
4039 2021-01-06  Martin Sebor  <msebor@redhat.com>
4040
4041         PR c++/98305
4042         * builtins.c (new_delete_mismatch_p): New overload.
4043         (new_delete_mismatch_p (tree, tree)): Call it.
4044
4045 2021-01-06  Alexandre Oliva  <oliva@adacore.com>
4046
4047         * Makefile.in (T_GLIMITS_H): New.
4048         (stmp-int-hdrs): Depend on it, use it.
4049         * config/t-vxworks (T_GLIMITS_H): Override it.
4050         (vxw-glimits.h): New.
4051
4052 2021-01-06  Richard Biener  <rguenther@suse.de>
4053
4054         PR tree-optimization/98513
4055         * value-range.cc (intersect_ranges): Compare the upper bounds
4056         for the expected relation.
4057
4058 2021-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4059
4060         Revert:
4061         2020-12-28  Gerald Pfeifer  <gerald@pfeifer.com>
4062
4063         * doc/standards.texi (HSAIL): Remove section.
4064
4065 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
4066
4067         * configure: Re-generate.
4068
4069 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4070
4071         * doc/invoke.texi (-std=c++20): Adjust for the publication of
4072         ISO 14882:2020 standard.
4073         * doc/standards.texi: Likewise.
4074
4075 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4076
4077         PR tree-optimization/94802
4078         * expr.h (maybe_optimize_sub_cmp_0): Declare.
4079         * expr.c: Include tree-pretty-print.h and flags.h.
4080         (maybe_optimize_sub_cmp_0): New function.
4081         (do_store_flag): Use it.
4082         * cfgexpand.c (expand_gimple_cond): Likewise.
4083
4084 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
4085
4086         * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
4087         * rtlanal.c (simple_regno_set): Tweak description to clarify the
4088         RMW condition.
4089
4090 2021-01-05  Richard Biener  <rguenther@suse.de>
4091
4092         PR tree-optimization/98516
4093         * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
4094         lanes when materializing on a VEC_PERM node.
4095         (vectorizable_slp_permutation): Dump the permute properly.
4096
4097 2021-01-05  Richard Biener  <rguenther@suse.de>
4098
4099         * tree-vect-slp.c (vect_slp_region): Move debug counter
4100         to cover individual subgraphs.
4101
4102 2021-01-05  Richard Biener  <rguenther@suse.de>
4103
4104         PR tree-optimization/98428
4105         * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
4106         vector lane extracts for loop vectorization.
4107
4108 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4109
4110         PR tree-optimization/98514
4111         * tree-ssa-reassoc.c (bb_rank): Change type from long * to
4112         int64_t *.
4113         (operand_rank): Change type from hash_map<tree, long> to
4114         hash_map<tree, int64_t>.
4115         (phi_rank): Change return type from long to int64_t.
4116         (loop_carried_phi): Change block_rank variable type from long to
4117         int64_t.
4118         (propagate_rank): Change return type, rank parameter type and
4119         op_rank variable type from long to int64_t.
4120         (find_operand_rank): Change return type from long to int64_t
4121         and change slot variable type from long * to int64_t *.
4122         (insert_operand_rank): Change rank parameter type from long to
4123         int64_t.
4124         (get_rank): Change return type and rank variable type from long to
4125         int64_t.  Use PRId64 instead of ld to print the rank.
4126         (init_reassoc): Change rank variable type from long to int64_t
4127         and adjust correspondingly bb_rank and operand_rank initialization.
4128
4129 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4130
4131         PR tree-optimization/96928
4132         * tree-ssa-phiopt.c (xor_replacement): New function.
4133         (tree_ssa_phiopt_worker): Call it.
4134
4135 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4136
4137         PR tree-optimization/96930
4138         * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
4139         from narrower value which has the same type as 1 << B, perform
4140         the right shift on the narrower value followed by extension.
4141
4142 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4143
4144         PR tree-optimization/96239
4145         * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
4146         function.
4147         (get_status_for_store_merging): Don't return BB_INVALID for blocks
4148         with potential bswap optimizable CONSTRUCTORs.
4149         (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
4150         if possible.
4151
4152 2021-01-05  Richard Biener  <rguenther@suse.de>
4153
4154         PR tree-optimization/98381
4155         * tree.c (vector_element_bits): Properly compute bool vector
4156         element size.
4157         * tree-vect-loop.c (vectorizable_live_operation): Properly
4158         compute the last lane bit offset.
4159
4160 2021-01-05  Uroš Bizjak  <ubizjak@gmail.com>
4161
4162         PR target/98522
4163         * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
4164         Clear the top 64 bytes of the input XMM register.
4165         (sse_cvttps2pi): Ditto.
4166
4167 2021-01-05  Uroš Bizjak  <ubizjak@gmail.com>
4168
4169         PR target/98521
4170         * config/i386/xopintrin.h (_mm256_cmov_si256): New.
4171
4172 2021-01-05  H.J. Lu  <hjl.tools@gmail.com>
4173
4174         PR target/98495
4175         * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
4176         short first.
4177
4178 2021-01-05  Claudiu Zissulescu  <claziss@synopsys.com>
4179
4180         * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
4181         (umaddsidi4_split): Likewise.
4182
4183 2021-01-05  liuhongt  <hongtao.liu@intel.com>
4184
4185         PR target/98461
4186         * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
4187         define_insn_and_split for zero_extend of subreg HI of pmovskb
4188         result.
4189         (*sse2_pmovskb_zexthisi): Add new combine splitters for
4190         zero_extend of not of subreg HI of pmovskb result.
4191
4192 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
4193
4194         PR target/97269
4195         * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
4196         nested in CONSTs.
4197         * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
4198         convert_memory_address to convert symbolic immediates to ptr_mode
4199         before forcing them to memory.
4200
4201 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
4202
4203         PR rtl-optimization/97144
4204         * recog.c (constrain_operands): Initialize matching_operand
4205         for each alternative, rather than only doing it once.
4206
4207 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
4208
4209         PR rtl-optimization/98403
4210         * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
4211         why we don't remove call clobbers.
4212         (function_info::apply_changes_to_insn): Don't attempt to add
4213         call clobbers here.
4214
4215 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
4216
4217         PR tree-optimization/98371
4218         * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
4219         (vect_analyze_loop): If an epilogue loop appears to be cheaper
4220         than the main loop, re-analyze it as a main loop before adopting
4221         it as a main loop.
4222
4223 2021-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4224
4225         PR c++/98316
4226         * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
4227         * aclocal.m4, configure: Regenerate.
4228         * Makefile.in (NETLIBS): Define.
4229         (BACKEND): Remove $(CODYLIB).
4230
4231 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
4232
4233         PR rtl-optimization/98334
4234         * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
4235         Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
4236
4237 2021-01-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4238
4239         * tree-inline.c (expand_call_inline): Restore input_location.
4240         Return result from recursive call.
4241
4242 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
4243
4244         PR tree-optimization/95401
4245         * config/aarch64/aarch64-sve-builtins.cc
4246         (gimple_folder::load_store_cookie): Use bits rather than bytes
4247         for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
4248         * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
4249         * tree-vect-stmts.c (vectorizable_store): Likewise.
4250         (vectorizable_load): Likewise.
4251
4252 2021-01-04  Richard Biener  <rguenther@suse.de>
4253
4254         PR tree-optimization/98308
4255         * tree-vect-stmts.c (vectorizable_load): Set invariant mask
4256         SLP vectype.
4257
4258 2021-01-04  Jakub Jelinek  <jakub@redhat.com>
4259
4260         PR tree-optimization/95771
4261         * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
4262         with precision smaller than int's precision and types with precision
4263         twice as large as long long.  Formatting fixes.
4264
4265 2021-01-04  Richard Biener  <rguenther@suse.de>
4266
4267         PR tree-optimization/98464
4268         * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
4269         (vn_valueize_wrapper): ... this.  Temporarily adjust vn_context_bb.
4270         (process_bb): Adjust.
4271
4272 2021-01-04  Matthew Malcomson  <matthew.malcomson@arm.com>
4273
4274         PR other/98437
4275         * doc/invoke.texi (-fsanitize=address): Fix wording describing
4276         clash with -fsanitize=hwaddress.
4277
4278 2021-01-04  Richard Biener  <rguenther@suse.de>
4279
4280         PR tree-optimization/98282
4281         * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
4282         invariants as VN_NARY.
4283
4284 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
4285
4286         PR target/89057
4287         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
4288         aarch64_simd_reg_or_zero for operand 2.  Use the combinez patterns
4289         to handle zero operands.
4290
4291 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
4292
4293         * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
4294         (offset_6bit_unsigned_scaled_p): Fix typo in comment.
4295         (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
4296         [-32, 31].
4297
4298 2021-01-04  Richard Biener  <rguenther@suse.de>
4299
4300         PR tree-optimization/98393
4301         * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
4302         when hitting the limit.
4303
4304 2021-01-04  Richard Biener  <rguenther@suse.de>
4305
4306         PR tree-optimization/98291
4307         * tree-vect-loop.c (vectorizable_reduction): Bypass
4308         associativity check for SLP reductions with VF 1.
4309
4310 2021-01-04  Jakub Jelinek  <jakub@redhat.com>
4311
4312         PR tree-optimization/96782
4313         * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
4314
4315 2021-01-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4316
4317         * collect-utils.c (collect_execute): Check dumppfx.
4318         * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
4319         to collect_execute.
4320         (do_link): Add new parameter atsuffix.
4321         (main): Handle -dumpdir option.  Skip one argument for
4322         -o, -isystem and -B options.
4323         * gcc.c (make_at_file): New helper function.
4324         (close_at_file): Use it.
4325
4326 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4327
4328         * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
4329         Amend handling for LD64_VERSION fallback defaults.
4330
4331 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4332
4333         * config.gcc: Compute default version information
4334         from the configured target.  Likewise defaults for
4335         ld64.
4336         * config/darwin10.h: Removed.
4337         * config/darwin12.h: Removed.
4338         * config/darwin9.h: Removed.
4339         * config/rs6000/darwin8.h: Removed.
4340
4341 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4342
4343         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
4344
4345 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4346
4347         * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
4348         * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
4349
4350 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4351
4352         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
4353         here...
4354         * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
4355
4356 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4357
4358         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
4359         for the Darwin10 unwinder stub from here ...
4360         * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
4361
4362 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
4363
4364         * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
4365         (ASM_DEBUG_SPEC):Only define if the assembler supports
4366         stabs.
4367         (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
4368         (DARWIN_PREFER_DWARF): Define.
4369         * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
4370         (DARWIN_PREFER_DWARF): Likewise
4371         (DSYMUTIL_SPEC): Likewise.
4372         (COLLECT_RUN_DSYMUTIL): Likewise.
4373         (ASM_DEBUG_SPEC): Likewise.
4374         (ASM_DEBUG_OPTION_SPEC): Likewise.
4375
4376 2021-01-02  Jan Hubicka  <jh@suse.cz>
4377
4378         * cfg.c (free_block): ggc_free bb.
4379
4380 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
4381
4382         * gcc.c (process_command): Update copyright notice dates.
4383         * gcov-dump.c (print_version): Ditto.
4384         * gcov.c (print_version): Ditto.
4385         * gcov-tool.c (print_version): Ditto.
4386         * gengtype.c (create_file): Ditto.
4387         * doc/cpp.texi: Bump @copying's copyright year.
4388         * doc/cppinternals.texi: Ditto.
4389         * doc/gcc.texi: Ditto.
4390         * doc/gccint.texi: Ditto.
4391         * doc/gcov.texi: Ditto.
4392         * doc/install.texi: Ditto.
4393         * doc/invoke.texi: Ditto.
4394
4395 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
4396
4397         * ChangeLog-2020: Rotate ChangeLog.  New file.
4398
4399 \f
4400 Copyright (C) 2021 Free Software Foundation, Inc.
4401
4402 Copying and distribution of this file, with or without modification,
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