gcc/ChangeLog

   1 2021-08-21  Dragan Mladjenovic  <OT_Dragan.Mladjenovic@mediatek.com>
   2
   3         * config/mips/mips.c (mips_function_rodata_section,
   4         TARGET_ASM_FUNCTION_RODATA_SECTION): Removed.
   5
   6 2021-08-21  John David Anglin  <danglin@gcc.gnu.org>
   7
   8         * config/pa/pa.c (pa_asm_output_aligned_common): Remove warning.
   9
  10 2021-08-20  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
  11
  12         * configure.ac (thread-local storage support): Remove tls_first_major
  13         and tls_first_minor.  Use "$conftest_s" to check support.
  14         * configure: Regenerate.
  15
  16 2021-08-20  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
  17
  18         * configure.ac: Fixup formatting.
  19
  20 2021-08-20  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
  21
  22         * acinclude.m4 (gcc_GAS_CHECK_FEATURE): Remove third argument and ...
  23         * configure.ac: ... update all callers.
  24
  25 2021-08-20  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
  26
  27         PR target/91602
  28         * acinclude.m4 (_gcc_COMPUTE_GAS_VERSION, _gcc_GAS_VERSION_GTE_IFELSE)
  29         (gcc_GAS_VERSION_GTE_IFELSE): Remove.
  30         (gcc_GAS_CHECK_FEATURE): Do not handle in-tree case specially.
  31         * configure.ac: Remove gcc_cv_gas_major_version, gcc_cv_gas_minor_version.
  32         Remove remaining checks for in-tree assembler.
  33         * configure: Regenerate.
  34
  35 2021-08-20  Jeff Law  <jlaw@localhost.localdomain>
  36
  37         * config/h8300/h8300.c (shift_alg_hi): Improve arithmetic shift right
  38         by 15 bits for H8/300H and H8/S.  Improve logical shifts by 12
  39         bits for H8/S.
  40         (shift_alg_si): Improve arithmetic right shift by 28-30 bits for
  41         H8/300H.  Improve arithmetic shift right by 15 bits for H8/S.
  42         Improve logical shifts by 27 bits for H8/S.
  43         (get_shift_alg): Corresponding changes.
  44         (h8300_option_override): Revert to loops for -Os when profitable.
  45
  46 2021-08-20  Richard Biener  <rguenther@suse.de>
  47
  48         * tree-vect-data-refs.c (dr_group_sort_cmp): Do not compare
  49         BBs.
  50         (vect_analyze_data_ref_accesses): Likewise.  Assign the BB
  51         index as group_id when dataref_groups were not computed.
  52         * tree-vect-slp.c (vect_slp_bbs): Bump current_group when
  53         we advace to the next BB.
  54
  55 2021-08-20  Jakub Jelinek  <jakub@redhat.com>
  56
  57         * omp-builtins.def (BUILT_IN_GOMP_WARNING, BUILT_IN_GOMP_ERROR): New
  58         builtins.
  59
  60 2021-08-20  Martin Liska  <mliska@suse.cz>
  61
  62         PR gcov-profile/89961
  63         * gcov.c (make_gcov_file_name): Rewrite using std::string.
  64         (mangle_name): Simplify, do not used the second argument.
  65         (strip_extention): New function.
  66         (get_md5sum): Likewise.
  67         (get_gcov_intermediate_filename): Handle properly -p and -x
  68         options.
  69         (output_gcov_file): Use string type.
  70         (generate_results): Likewise.
  71         (md5sum_to_hex): Remove.
  72
  73 2021-08-20  Michael Meissner  <meissner@linux.ibm.com>
  74
  75         * config/rs6000/altivec.md (UNSPEC_XXEVAL): Move to vsx.md.
  76         (UNSPEC_XXSPLTIW): Move to vsx.md.
  77         (UNSPEC_XXSPLTID): Move to vsx.md.
  78         (UNSPEC_XXSPLTI32DX): Move to vsx.md.
  79         (UNSPEC_XXBLEND): Move to vsx.md.
  80         (UNSPEC_XXPERMX): Move to vsx.md.
  81         (VM3): Move to vsx.md.
  82         (VM3_char): Move to vsx.md.
  83         (xxspltiw_v4si): Move to vsx.md.
  84         (xxspltiw_v4sf): Move to vsx.md.
  85         (xxspltiw_v4sf_inst): Move to vsx.md.
  86         (xxspltidp_v2df): Move to vsx.md.
  87         (xxspltidp_v2df_inst): Move to vsx.md.
  88         (xxsplti32dx_v4si_inst): Move to vsx.md.
  89         (xxsplti32dx_v4sf): Move to vsx.md.
  90         (xxsplti32dx_v4sf_inst): Move to vsx.md.
  91         (xxblend_<mode>): Move to vsx.md.
  92         (xxpermx): Move to vsx.md.
  93         (xxpermx_inst): Move to vsx.md.
  94         * config/rs6000/vsx.md (UNSPEC_XXEVAL): Move from altivec.md.
  95         (UNSPEC_XXSPLTIW): Move from altivec.md.
  96         (UNSPEC_XXSPLTID): Move from altivec.md.
  97         (UNSPEC_XXSPLTI32DX): Move from altivec.md.
  98         (UNSPEC_XXBLEND): Move from altivec.md.
  99         (UNSPEC_XXPERMX): Move from altivec.md.
 100         (VM3): Move from altivec.md.
 101         (VM3_char): Move from altivec.md.
 102         (xxspltiw_v4si): Move from altivec.md.
 103         (xxspltiw_v4sf): Move from altivec.md.
 104         (xxspltiw_v4sf_inst): Move from altivec.md.
 105         (xxspltidp_v2df): Move from altivec.md.
 106         (xxspltidp_v2df_inst): Move from altivec.md.
 107         (xxsplti32dx_v4si_inst): Move from altivec.md.
 108         (xxsplti32dx_v4sf): Move from altivec.md.
 109         (xxsplti32dx_v4sf_inst): Move from altivec.md.
 110         (xxblend_<mode>): Move from altivec.md.
 111         (xxpermx): Move from altivec.md.
 112         (xxpermx_inst): Move from altivec.md.
 113
 114 2021-08-19  Roger Sayle  <roger@nextmovesoftware.com>
 115
 116         * tree-vect-generic.c (expand_vector_operations_1): Use either
 117         gimplify_build1 or gimplify_build2 instead of gimple_build_assign
 118         when constructing scalar splat expressions.
 119
 120 2021-08-19  Peter Bergner  <bergner@linux.ibm.com>
 121
 122         PR target/101849
 123         * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Cast
 124         pointer to __vector_pair *.
 125
 126 2021-08-19  Martin Sebor  <msebor@redhat.com>
 127
 128         * gimple-range.cc: Add comments.
 129         * gimple-range.h: Same.
 130
 131 2021-08-19  Martin Sebor  <msebor@redhat.com>
 132
 133         PR middle-end/101984
 134         * gimple-ssa-warn-access.cc (pass_waccess::execute): Also call
 135         disable_ranger.
 136
 137 2021-08-19  Jeff Law  <jlaw@localhost.localdomain>
 138
 139         * config.gcc (h8300-*-elf*): Do not include dbxelf.h.
 140         (h8300-*-linux*, v850-*-rtems*, v850*-elf*): Likewise.
 141         * config/v850/v850.h (DEFAULT_GDB_EXTENSIONS): Remove.
 142
 143 2021-08-19  Jakub Jelinek  <jakub@redhat.com>
 144
 145         PR middle-end/101950
 146         * optabs.c (expand_clrsb_using_clz): New function.
 147         (expand_unop): Use it as another clrsb expansion fallback.
 148
 149 2021-08-19  liuhongt  <hongtao.liu@intel.com>
 150
 151         Revert:
 152         2021-07-28  liuhongt  <hongtao.liu@intel.com>
 153
 154         PR target/99881
 155         * config/i386/i386.h (processor_costs): Add new member
 156         integer_to_sse.
 157         * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
 158         i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
 159         geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
 160         bdver_cost, znver1_cost, znver2_cost, znver3_cost,
 161         btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
 162         nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
 163         generic_cost, core_cost): Initialize integer_to_sse same value
 164         as sse_op.
 165         (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
 166         * config/i386/i386.c (ix86_builtin_vectorization_cost):
 167         Use integer_to_sse instead of sse_op to calculate the cost of
 168         vec_construct.
 169
 170 2021-08-18  Iain Sandoe  <iain@sandoe.co.uk>
 171
 172         * config.gcc: Include rpath.opt for Darwin.
 173         * config/darwin.h (DRIVER_SELF_SPECS): Handle -rpath.
 174
 175 2021-08-18  Thomas Schwinge  <thomas@codesourcery.com>
 176
 177         PR bootstrap/101959
 178         * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor_expand):
 179         Use an 'int_hash'.
 180
 181 2021-08-18  Jonathan Wright  <jonathan.wright@arm.com>
 182
 183         * config/aarch64/arm_neon.h (vld3_lane_f64): Use float RTL
 184         pattern and type cast.
 185         (vld4_lane_f32): Use float RTL pattern.
 186         (vld4q_lane_f64): Use float type cast.
 187
 188 2021-08-18  Jan Hubicka  <hubicka@ucw.cz>
 189
 190         * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
 191         EAF_NOREAD.
 192
 193 2021-08-18  Thomas Schwinge  <thomas@codesourcery.com>
 194
 195         * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Extend.
 196         (test_map_of_type_with_ctor_and_dtor_expand): Add function.
 197         (hash_map_tests_c_tests): Call it.
 198
 199 2021-08-18  Thomas Schwinge  <thomas@codesourcery.com>
 200
 201         * ggc.h (enum ggc_collect): New.
 202         (ggc_collect): Use it.
 203         * ggc-page.c: Adjust.
 204         * ggc-common.c: Likewise.
 205         * ggc-tests.c: Likewise.
 206         * read-rtl-function.c: Likewise.
 207         * selftest-run-tests.c: Likewise.
 208         * doc/gty.texi (Invoking the garbage collector): Likewise.
 209
 210 2021-08-18  liuhongt  <hongtao.liu@intel.com>
 211
 212         PR target/97147
 213         * config/i386/i386.h (TARGET_V2DF_REDUCTION_PREFER_HADDPD):
 214         New macro.
 215         * config/i386/sse.md (*sse3_haddv2df3_low): Add
 216         TARGET_V2DF_REDUCTION_PREFER_HADDPD.
 217         (*sse3_hsubv2df3_low): Ditto.
 218         * config/i386/x86-tune.def
 219         (X86_TUNE_V2DF_REDUCTION_PREFER_HADDPD): New tune.
 220
 221 2021-08-17  Andrew MacLeod  <amacleod@redhat.com>
 222
 223         * gimple-range-gori.cc (gori_compute::gori_compute): Enable tracing.
 224         (gori_compute::compute_operand_range): Add tracing.
 225         (gori_compute::logical_combine): Ditto.
 226         (gori_compute::compute_logical_operands): Ditto.
 227         (gori_compute::compute_operand1_range): Ditto.
 228         (gori_compute::compute_operand2_range): Ditto.
 229         (gori_compute::outgoing_edge_range_p): Ditto.
 230         * gimple-range-gori.h (class gori_compute): Add range_tracer.
 231
 232 2021-08-17  Andrew MacLeod  <amacleod@redhat.com>
 233
 234         * flag-types.h (enum evrp_mode): Adjust evrp-mode values.
 235         * gimple-range-cache.cc (DEBUG_RANGE_CACHE): Relocate from.
 236         * gimple-range-trace.h (DEBUG_RANGE_CACHE): Here.
 237         * params.opt (--param=evrp-mode): Adjust options.
 238
 239 2021-08-17  Andrew MacLeod  <amacleod@redhat.com>
 240
 241         * Makefile.in (OBJS): Add gimple-range-trace.o.
 242         * gimple-range-cache.h (enable_new_values): Remove unused prototype.
 243         * gimple-range-fold.cc: Adjust headers.
 244         * gimple-range-trace.cc: New.
 245         * gimple-range-trace.h: New.
 246         * gimple-range.cc (gimple_ranger::gimple_ranger): Enable tracer.
 247         (gimple_ranger::range_of_expr): Add tracing.
 248         (gimple_ranger::range_on_entry): Ditto.
 249         (gimple_ranger::range_on_exit): Ditto.
 250         (gimple_ranger::range_on_edge): Ditto.
 251         (gimple_ranger::fold_range_internal): Ditto.
 252         (gimple_ranger::dump_bb): Do not calculate edge range twice.
 253         (trace_ranger::*): Remove.
 254         (enable_ranger): Never create a trace_ranger.
 255         (debug_seed_ranger): Move to gimple-range-trace.cc.
 256         (dump_ranger): Ditto.
 257         (debug_ranger): Ditto.
 258         * gimple-range.h: Include gimple-range-trace.h.
 259         (range_on_entry, range_on_exit): No longer virtual.
 260         (class trace_ranger): Remove.
 261         (DEBUG_RANGE_CACHE): Move to gimple-range-trace.h.
 262
 263 2021-08-17  Martin Sebor  <msebor@redhat.com>
 264
 265         PR middle-end/101854
 266         * builtins.c (expand_builtin_alloca): Move warning code to check_alloca
 267         in gimple-ssa-warn-access.cc.
 268         * calls.c (alloc_max_size): Move code to check_alloca.
 269         (get_size_range): Move to pointer-query.cc.
 270         (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc.
 271         (get_attr_nonstring_decl): Move to tree.c.
 272         (fntype_argno_type): Move to gimple-ssa-warn-access.cc.
 273         (append_attrname): Same.
 274         (maybe_warn_rdwr_sizes): Same.
 275         (initialize_argument_information): Move code to
 276         gimple-ssa-warn-access.cc.
 277         * calls.h (maybe_warn_alloc_args_overflow): Move to
 278         gimple-ssa-warn-access.h.
 279         (get_attr_nonstring_decl): Move to tree.h.
 280         (maybe_warn_nonstring_arg):  Move to gimple-ssa-warn-access.h.
 281         (enum size_range_flags): Move to pointer-query.h.
 282         (get_size_range): Same.
 283         * gimple-ssa-warn-access.cc (has_location): Remove unused overload
 284         to avoid Clang -Wunused-function.
 285         (get_size_range): Declare static.
 286         (maybe_emit_free_warning): Rename...
 287         (maybe_check_dealloc_call): ...to this for consistency.
 288         (class pass_waccess): Add members.
 289         (pass_waccess::~pass_waccess): Defined.
 290         (alloc_max_size): Move here from calls.c.
 291         (maybe_warn_alloc_args_overflow): Same.
 292         (check_alloca): New function.
 293         (check_alloc_size_call): New function.
 294         (check_strncat): Handle another warning flag.
 295         (pass_waccess::check_builtin): Handle alloca.
 296         (fntype_argno_type): Move here from calls.c.
 297         (append_attrname): Same.
 298         (maybe_warn_rdwr_sizes): Same.
 299         (pass_waccess::check_call): Define.
 300         (check_nonstring_args): New function.
 301         (pass_waccess::check): Call new member functions.
 302         (pass_waccess::execute): Enable ranger.
 303         * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h.
 304         (maybe_warn_nonstring_arg): Same.
 305         * gimple-ssa-warn-restrict.c: Remove #include.
 306         * pointer-query.cc (get_size_range): Move here from calls.c.
 307         * pointer-query.h (enum size_range_flags): Same.
 308         (get_size_range): Same.
 309         * tree.c (get_attr_nonstring_decl): Move here from calls.c.
 310         * tree.h (get_attr_nonstring_decl): Move here from calls.h.
 311
 312 2021-08-17  Thomas Schwinge  <thomas@codesourcery.com>
 313
 314         * ggc.h (ggc_collect): Add 'force_collect' parameter.
 315         * ggc-page.c (ggc_collect): Use that one instead of global
 316         'ggc_force_collect'.  Adjust all users.
 317         * doc/gty.texi (Invoking the garbage collector): Update.
 318         * ggc-internal.h (ggc_force_collect): Remove.
 319         * ggc-common.c (ggc_force_collect): Likewise.
 320         * selftest.h (forcibly_ggc_collect): Remove.
 321         * ggc-tests.c (selftest::forcibly_ggc_collect): Likewise.
 322         * read-rtl-function.c (test_loading_labels): Adjust.
 323         * selftest-run-tests.c (run_tests): Likewise.
 324
 325 2021-08-17  Iain Sandoe  <iain@sandoe.co.uk>
 326
 327         * config/darwin.c (darwin_file_end): Reset and reclaim the
 328         section names table at the end of compile.
 329
 330 2021-08-17  Iain Sandoe  <iain@sandoe.co.uk>
 331
 332         PR target/100340
 333         * config.in: Regenerate.
 334         * config/i386/darwin.h (EXTRA_ASM_OPTS): New
 335         (ASM_SPEC): Pass options to disable branch shortening where
 336         needed.
 337         * configure: Regenerate.
 338         * configure.ac: Detect versions of 'as' that support the
 339         optimisation which has the bug.
 340
 341 2021-08-17  Richard Biener  <rguenther@suse.de>
 342
 343         * optabs-query.c (supports_vec_gather_load_p): Also check
 344         for masked optabs.
 345         (supports_vec_scatter_store_p): Likewise.
 346         * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Fall
 347         back to masked variants if non-masked are not supported.
 348         * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
 349         When we need to use masked gather/scatter but do not have
 350         a mask set up a constant true one.
 351         * tree-vect-stmts.c (vect_check_scalar_mask): Also allow
 352         non-SSA_NAME masks.
 353
 354 2021-08-17  Roger Sayle  <roger@nextmovesoftware.com>
 355
 356         * tree-ssa-ccp.c (bit_value_binop) [MINUS_EXPR]: Use same
 357         algorithm as PLUS_EXPR to improve subtraction bit bounds.
 358         [POINTER_DIFF_EXPR]: Treat as synonymous with MINUS_EXPR.
 359
 360 2021-08-17  Roger Sayle  <roger@nextmovesoftware.com>
 361
 362         * tree-ssa-ccp.c (bit_value_mult_const): New helper function to
 363         calculate the mask-value pair result of a multiplication by an
 364         unsigned constant.
 365         (bit_value_binop) [MULT_EXPR]:  Call it from here for
 366         multiplications by (sparse) non-negative constants.
 367
 368 2021-08-17  Christophe Lyon  <christophe.lyon@foss.st.com>
 369
 370         PR target/100896
 371         * config.gcc (gcc_cv_initfini_array): Leave undefined for
 372         uclinuxfdpiceabi targets.
 373
 374 2021-08-17  Alexandre Oliva  <oliva@adacore.com>
 375
 376         * tree-inline.c (maybe_move_debug_stmts_to_successors): Don't
 377         reverse debug stmts.
 378
 379 2021-08-17  Alexandre Oliva  <oliva@adacore.com>
 380
 381         * tree-cfg.c (dump_function_to_file): Use fun, not cfun.
 382
 383 2021-08-17  Jonathan Wright  <jonathan.wright@arm.com>
 384
 385         * config/aarch64/arm_neon.h (__LD4_LANE_FUNC): Delete.
 386         (__LD4Q_LANE_FUNC): Likewise.
 387         (vld4_lane_u8): Define without macro.
 388         (vld4_lane_u16): Likewise.
 389         (vld4_lane_u32): Likewise.
 390         (vld4_lane_u64): Likewise.
 391         (vld4_lane_s8): Likewise.
 392         (vld4_lane_s16): Likewise.
 393         (vld4_lane_s32): Likewise.
 394         (vld4_lane_s64): Likewise.
 395         (vld4_lane_f16): Likewise.
 396         (vld4_lane_f32): Likewise.
 397         (vld4_lane_f64): Likewise.
 398         (vld4_lane_p8): Likewise.
 399         (vld4_lane_p16): Likewise.
 400         (vld4_lane_p64): Likewise.
 401         (vld4q_lane_u8): Likewise.
 402         (vld4q_lane_u16): Likewise.
 403         (vld4q_lane_u32): Likewise.
 404         (vld4q_lane_u64): Likewise.
 405         (vld4q_lane_s8): Likewise.
 406         (vld4q_lane_s16): Likewise.
 407         (vld4q_lane_s32): Likewise.
 408         (vld4q_lane_s64): Likewise.
 409         (vld4q_lane_f16): Likewise.
 410         (vld4q_lane_f32): Likewise.
 411         (vld4q_lane_f64): Likewise.
 412         (vld4q_lane_p8): Likewise.
 413         (vld4q_lane_p16): Likewise.
 414         (vld4q_lane_p64): Likewise.
 415         (vld4_lane_bf16): Likewise.
 416         (vld4q_lane_bf16): Likewise.
 417
 418 2021-08-17  Jonathan Wright  <jonathan.wright@arm.com>
 419
 420         * config/aarch64/arm_neon.h (__LD3_LANE_FUNC): Delete.
 421         (__LD3Q_LANE_FUNC): Delete.
 422         (vld3_lane_u8): Define without macro.
 423         (vld3_lane_u16): Likewise.
 424         (vld3_lane_u32): Likewise.
 425         (vld3_lane_u64): Likewise.
 426         (vld3_lane_s8): Likewise.
 427         (vld3_lane_s16): Likewise.
 428         (vld3_lane_s32): Likewise.
 429         (vld3_lane_s64): Likewise.
 430         (vld3_lane_f16): Likewise.
 431         (vld3_lane_f32): Likewise.
 432         (vld3_lane_f64): Likewise.
 433         (vld3_lane_p8): Likewise.
 434         (vld3_lane_p16): Likewise.
 435         (vld3_lane_p64): Likewise.
 436         (vld3q_lane_u8): Likewise.
 437         (vld3q_lane_u16): Likewise.
 438         (vld3q_lane_u32): Likewise.
 439         (vld3q_lane_u64): Likewise.
 440         (vld3q_lane_s8): Likewise.
 441         (vld3q_lane_s16): Likewise.
 442         (vld3q_lane_s32): Likewise.
 443         (vld3q_lane_s64): Likewise.
 444         (vld3q_lane_f16): Likewise.
 445         (vld3q_lane_f32): Likewise.
 446         (vld3q_lane_f64): Likewise.
 447         (vld3q_lane_p8): Likewise.
 448         (vld3q_lane_p16): Likewise.
 449         (vld3q_lane_p64): Likewise.
 450         (vld3_lane_bf16): Likewise.
 451         (vld3q_lane_bf16): Likewise.
 452
 453 2021-08-17  Jonathan Wright  <jonathan.wright@arm.com>
 454
 455         * config/aarch64/arm_neon.h (__LD2_LANE_FUNC): Delete.
 456         (__LD2Q_LANE_FUNC): Likewise.
 457         (vld2_lane_u8): Define without macro.
 458         (vld2_lane_u16): Likewise.
 459         (vld2_lane_u32): Likewise.
 460         (vld2_lane_u64): Likewise.
 461         (vld2_lane_s8): Likewise.
 462         (vld2_lane_s16): Likewise.
 463         (vld2_lane_s32): Likewise.
 464         (vld2_lane_s64): Likewise.
 465         (vld2_lane_f16): Likewise.
 466         (vld2_lane_f32): Likewise.
 467         (vld2_lane_f64): Likewise.
 468         (vld2_lane_p8): Likewise.
 469         (vld2_lane_p16): Likewise.
 470         (vld2_lane_p64): Likewise.
 471         (vld2q_lane_u8): Likewise.
 472         (vld2q_lane_u16): Likewise.
 473         (vld2q_lane_u32): Likewise.
 474         (vld2q_lane_u64): Likewise.
 475         (vld2q_lane_s8): Likewise.
 476         (vld2q_lane_s16): Likewise.
 477         (vld2q_lane_s32): Likewise.
 478         (vld2q_lane_s64): Likewise.
 479         (vld2q_lane_f16): Likewise.
 480         (vld2q_lane_f32): Likewise.
 481         (vld2q_lane_f64): Likewise.
 482         (vld2q_lane_p8): Likewise.
 483         (vld2q_lane_p16): Likewise.
 484         (vld2q_lane_p64): Likewise.
 485         (vld2_lane_bf16): Likewise.
 486         (vld2q_lane_bf16): Likewise.
 487
 488 2021-08-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 489
 490         * haifa-sched.c (advance_one_cycle): Output more context-synchronization
 491         lines for diff.
 492
 493 2021-08-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 494
 495         * haifa-sched.c (enum rfs_decision, rfs_str): Add RFS_AUTOPREF.
 496         (rank_for_schedule): Use it.
 497
 498 2021-08-17  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
 499
 500         PR rtl-optimization/91598
 501         * haifa-sched.c (autopref_rank_for_schedule): Prioritize "irrelevant"
 502         insns after memory reads and before memory writes.
 503
 504 2021-08-17  Alistair_Lee  <alistair.lee@arm.com>
 505
 506         * rtl.h (CONST_VECTOR_P): New macro.
 507         * config/aarch64/aarch64.c (aarch64_get_sve_pred_bits): Use RTL
 508         code testing macros.
 509         (aarch64_ptrue_all_mode): Likewise.
 510         (aarch64_expand_mov_immediate): Likewise.
 511         (aarch64_const_vec_all_in_range_p): Likewise.
 512         (aarch64_rtx_costs): Likewise.
 513         (aarch64_legitimate_constant_p): Likewise.
 514         (aarch64_simd_valid_immediate): Likewise.
 515         (aarch64_simd_make_constant): Likewise.
 516         (aarch64_convert_mult_to_shift): Likewise.
 517         (aarch64_expand_sve_vec_perm): Likewise.
 518         (aarch64_vec_fpconst_pow_of_2): Likewise.
 519
 520 2021-08-17  Andrew MacLeod  <amacleod@redhat.com>
 521
 522         PR tree-optimization/101938
 523         * range-op.cc (operator_abs::op1_range): Special case
 524         -TYPE_MIN_VALUE for flag_wrapv.
 525
 526 2021-08-17  Kewen Lin  <linkw@linux.ibm.com>
 527
 528         * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Add the cost for
 529         value extraction.
 530
 531 2021-08-17  Jakub Jelinek  <jakub@redhat.com>
 532
 533         * tree.def (OMP_SCOPE): New tree code.
 534         * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define.
 535         * tree-nested.c (convert_nonlocal_reference_stmt,
 536         convert_local_reference_stmt, convert_gimple_call): Handle
 537         GIMPLE_OMP_SCOPE.
 538         * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE.
 539         * gimple.def (GIMPLE_OMP_SCOPE): New gimple code.
 540         * gimple.c (gimple_build_omp_scope): New function.
 541         (gimple_copy): Handle GIMPLE_OMP_SCOPE.
 542         * gimple.h (gimple_build_omp_scope): Declare.
 543         (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE.
 544         (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr,
 545         gimple_omp_scope_set_clauses): New inline functions.
 546         (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE.
 547         * gimple-pretty-print.c (dump_gimple_omp_scope): New function.
 548         (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE.
 549         * gimple-walk.c (walk_gimple_stmt): Likewise.
 550         * gimple-low.c (lower_stmt): Likewise.
 551         * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
 552         (gimplify_scan_omp_clauses): For task reductions, handle OMP_SCOPE
 553         like ORT_WORKSHARE constructs.  Adjust diagnostics for %<scope%>
 554         allowing task reductions.  Reject inscan reductions on scope.
 555         (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE.
 556         (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE.
 557         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE.
 558         (estimate_num_insns): Likewise.
 559         * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE
 560         contexts if var isn't privatized there.
 561         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE.
 562         (scan_omp_1_stmt): Likewise.
 563         (maybe_add_implicit_barrier_cancel): Look through outer
 564         scope constructs.
 565         (lower_omp_scope): New function.
 566         (lower_omp_task_reductions): Handle OMP_SCOPE.
 567         (lower_omp_1): Handle GIMPLE_OMP_SCOPE.
 568         (diagnose_sb_1, diagnose_sb_2): Likewise.
 569         * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE.
 570         (expand_omp): Handle GIMPLE_OMP_SCOPE.
 571         (omp_make_gimple_edges): Likewise.
 572         * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in.
 573
 574 2021-08-17  Richard Biener  <rguenther@suse.de>
 575
 576         PR tree-optimization/101925
 577         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Set
 578         reverse on COMPONENT_REF and ARRAY_REF according to
 579         what reverse_storage_order_for_component_p does.
 580         (vn_reference_eq): Compare reversed on reference ops.
 581         (reverse_storage_order_for_component_p): New overload.
 582         (vn_reference_lookup_3): Check reverse_storage_order_for_component_p
 583         on the reference looked up.
 584
 585 2021-08-17  Jeff Law  <jlaw@localhost.localdomain>
 586
 587         * config/h8300/h8300.c (shift_alg_si): Avoid loops for most SImode
 588         shifts on the H8/S.
 589         (h8300_option_override): Use loops on H8/S more often when optimizing
 590         for size.
 591         (get_shift_alg): Handle new "special" cases on H8/S.  Simplify
 592         accordingly.  Handle various arithmetic right shifts with special
 593         sequences that we couldn't handle before.
 594
 595 2021-08-16  Jeff Law  <jlaw@localhost.localdomain>
 596
 597         * config.gcc (rl78-*-elf*): Do not include dbxelf.h.
 598
 599 2021-08-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 600
 601         * config/sparc/rtemself.h (SPARC_GCOV_TYPE_SIZE): Define.
 602         * config/sparc/sparc.c (sparc_gcov_type_size): New.
 603         (TARGET_GCOV_TYPE_SIZE): Redefine if SPARC_GCOV_TYPE_SIZE is defined.
 604         * coverage.c (get_gcov_type): Use targetm.gcov_type_size().
 605         * doc/tm.texi (TARGET_GCOV_TYPE_SIZE): Add hook under "Misc".
 606         * doc/tm.texi.in: Regenerate.
 607         * target.def (gcov_type_size): New target hook.
 608         * targhooks.c (default_gcov_type_size): New.
 609         * targhooks.h (default_gcov_type_size): Declare.
 610         * tree-profile.c (gimple_gen_edge_profiler): Use precision of
 611         gcov_type_node.
 612         (gimple_gen_time_profiler): Likewise.
 613
 614 2021-08-16  Eric Botcazou  <ebotcazou@gcc.gnu.org>
 615
 616         * dwarf2out.c (add_scalar_info): Deal with DW_AT_data_bit_offset.
 617
 618 2021-08-16  Tobias Burnus  <tobias@codesourcery.com>
 619
 620         PR middle-end/101931
 621         * omp-low.c (omp_runtime_api_call): Update for routines
 622         added in the meanwhile.
 623
 624 2021-08-16  Martin Liska  <mliska@suse.cz>
 625
 626         PR tree-optimization/100393
 627         * tree-switch-conversion.c (group_cluster::dump): Use
 628           get_comparison_count.
 629         (jump_table_cluster::find_jump_tables): Pre-compute number of
 630         comparisons and then decrement it. Cache also max_ratio.
 631         (jump_table_cluster::can_be_handled): Change signature.
 632         * tree-switch-conversion.h (get_comparison_count): New.
 633
 634 2021-08-16  Eric Botcazou  <ebotcazou@gcc.gnu.org>
 635
 636         * dwarf2out.c (add_data_member_location_attribute): Use GNAT
 637         encodings only when -fgnat-encodings=all is specified.
 638         (add_bound_info): Likewise.
 639         (add_byte_size_attribute): Likewise.
 640         (gen_member_die): Likewise.
 641
 642 2021-08-16  Thomas Schwinge  <thomas@codesourcery.com>
 643
 644         * omp-oacc-neuter-broadcast.cc
 645         (execute_omp_oacc_neuter_broadcast): Plug 'par' memory leak.
 646
 647 2021-08-16  Thomas Schwinge  <thomas@codesourcery.com>
 648
 649         * omp-oacc-neuter-broadcast.cc
 650         (execute_omp_oacc_neuter_broadcast): Clarify memory management for
 651         'prop_set'.
 652
 653 2021-08-16  Thomas Schwinge  <thomas@codesourcery.com>
 654
 655         * omp-oacc-neuter-broadcast.cc (field_map): Move variable into...
 656         (execute_omp_oacc_neuter_broadcast): ... here.
 657         (install_var_field, build_receiver_ref, build_sender_ref): Take
 658         'field_map_t *' parameter.  Adjust all users.
 659         (worker_single_copy, neuter_worker_single): Take a
 660         'record_field_map_t *' parameter.  Adjust all users.
 661
 662 2021-08-16  liuhongt  <hongtao.liu@intel.com>
 663
 664         PR target/101930
 665         * config/i386/i386.md (ldexp<mode>3): Force operands[1] to
 666         reg.
 667
 668 2021-08-16  Martin Liska  <mliska@suse.cz>
 669
 670         PR ipa/101726
 671         * multiple_target.c (create_dispatcher_calls): Make default
 672           function local only if it is a definition.
 673
 674 2021-08-16  Martin Liska  <mliska@suse.cz>
 675
 676         PR ipa/100600
 677         * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not
 678           consider equal SSA_NAMEs when one is a param.
 679
 680 2021-08-16  liuhongt  <hongtao.liu@intel.com>
 681
 682         PR target/101846
 683         * config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
 684         Support vpermi2b for V32QI/V16QImode.
 685         (ix86_extract_perm_from_pool_constant): New function.
 686         (ix86_expand_vec_one_operand_perm_avx512): Support
 687         vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
 688         (expand_vec_perm_1): Adjust comments for upper.
 689         * config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
 690         New declare.
 691         * config/i386/predicates.md (permvar_truncate_operand): New predicate.
 692         (pshufb_truncv4siv4hi_operand): Ditto.
 693         (pshufb_truncv8hiv8qi_operand): Ditto.
 694         * config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
 695         New pre_reload define_insn_and_split.
 696         (*avx512f_permvar_truncv8siv8hi_1): Ditto.
 697         (*avx512f_vpermvar_truncv8div8si_1): Ditto.
 698         (*avx512f_permvar_truncv32hiv32qi_1): Ditto.
 699         (*avx512f_permvar_truncv16hiv16qi_1): Ditto.
 700         (*avx512f_permvar_truncv4div4si_1): Ditto.
 701         (*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
 702         (*avx512f_pshufb_truncv4siv4hi_1): Ditto.
 703         (*avx512f_pshufd_truncv2div2si_1): Ditto.
 704
 705 2021-08-16  Kito Cheng  <kito.cheng@sifive.com>
 706
 707         * config/riscv/multilib-generator: Support code model option for
 708         multi-lib.
 709         * doc/install.texi: Add document of new option for
 710         --with-multilib-generator.
 711
 712 2021-08-15  Clément Chigot  <clement.chigot@atos.net>
 713
 714         * config/rs6000/rs6000.c (xcoff_tls_exec_model_detected): New.
 715         (rs6000_legitimize_tls_address_aix): Use it.
 716         (rs6000_xcoff_file_end): Add ".ref __tls_get_addr" when
 717         xcoff_tls_exec_model_detected is true.
 718
 719 2021-08-15  Jeff Law  <jlaw@localhost.localdomain>
 720
 721         * config/h8300/h8300.c (shift_alg_si): Retune H8/300H shifts
 722         to allow a bit more code growth, saving many dozens of cycles.
 723         (h8300_option_override): Adjus shift_alg_si if optimizing for
 724         code size.
 725         (get_shift_alg): Use special + inline shifts for residuals
 726         in more cases.
 727
 728 2021-08-14  Stafford Horne  <shorne@gmail.com>
 729
 730         PR target/99783
 731         * config/or1k/or1k-opts.h: New file.
 732         * config/or1k/or1k.c (or1k_legitimize_address_1, print_reloc):
 733         Support generating gotha relocations if -mcmodel=large is
 734         specified.
 735         * config/or1k/or1k.h (TARGET_CMODEL_SMALL, TARGET_CMODEL_LARGE):
 736         New macros.
 737         * config/or1k/or1k.opt (mcmodel=): New option.
 738         * doc/invoke.texi (OpenRISC Options): Document mcmodel.
 739
 740 2021-08-14  Martin Sebor  <msebor@redhat.com>
 741
 742         PR middle-end/101791
 743         * gimple-ssa-warn-access.cc (new_delete_mismatch_p): Use new argument
 744         to valid_new_delete_pair_p.
 745         * tree.c (valid_new_delete_pair_p): Add argument.
 746         * tree.h (valid_new_delete_pair_p): Same.
 747
 748 2021-08-14  Jakub Jelinek  <jakub@redhat.com>
 749
 750         PR target/101896
 751         * config/i386/i386-expand.c (expand_vec_perm_broadcast_1)
 752         <case E_V64QImode>: For this mode assert
 753         !TARGET_AVX512BW || d->perm[0] rather than !TARGET_AVX2 || d->perm[0].
 754
 755 2021-08-13  Michael Meissner  <meissner@linux.ibm.com>
 756
 757         PR target/99921
 758         * config/rs6000/altivec.md (xxeval): Use register_predicate
 759         instead of altivec_register_predicate.
 760
 761 2021-08-13  Martin Sebor  <msebor@redhat.com>
 762
 763         PR middle-end/101734
 764         * tree-ssa-uninit.c (maybe_warn_read_write_only): New function.
 765         (maybe_warn_operand): Call it.
 766
 767 2021-08-13  Martin Liska  <mliska@suse.cz>
 768
 769         PR ipa/101354
 770         * attribs.c (decl_attributes): Make naked functions "noipa"
 771           functions.
 772
 773 2021-08-13  Martin Liska  <mliska@suse.cz>
 774
 775         PR ipa/101261
 776         * symtab.c (symtab_node::noninterposable_alias): Do not create
 777           local aliases for target_clone functions as the clonning pass
 778           rejects aliases.
 779
 780 2021-08-13  Martin Liska  <mliska@suse.cz>
 781
 782         * opts.c (LIVE_PATCHING_OPTION): Define.
 783         (control_options_for_live_patching): Use it in error messages.
 784
 785 2021-08-13  Jan Hubicka  <hubicka@ucw.cz>
 786
 787         * ipa-modref.c (dump_eaf_flags): Dump EAF_NOREAD.
 788         (implicit_const_eaf_flags, implicit_pure_eaf_flags,
 789          ignore_stores_eaf_flags): New constants.
 790         (remove_useless_eaf_flags): New function.
 791         (eaf_flags_useful_p): Use it.
 792         (deref_flags): Add EAF_NOT_RETURNED if flag is unused;
 793         handle EAF_NOREAD.
 794         (modref_lattice::init): Add EAF_NOREAD.
 795         (modref_lattice::add_escape_point): Do not reacord escape point if
 796         result is unused.
 797         (modref_lattice::merge): EAF_NOESCAPE implies EAF_NODIRECTESCAPE;
 798         use remove_useless_eaf_flags.
 799         (modref_lattice::merge_deref): Use ignore_stores_eaf_flags.
 800         (modref_lattice::merge_direct_load): Add EAF_NOREAD
 801         (analyze_ssa_name_flags): Fix handling EAF_NOT_RETURNED
 802         (analyze_parms): Use remove_useless_eaf_flags.
 803         (ipa_merge_modref_summary_after_inlining): Use ignore_stores_eaf_flags.
 804         (modref_merge_call_site_flags): Add caller and ecf_flags parameter;
 805         use remove_useless_eaf_flags.
 806         (modref_propagate_flags_in_scc): Update.
 807         * ipa-modref.h: Turn eaf_flags_t back to char.
 808         * tree-core.h (EAF_NOT_RETURNED): Fix.
 809         (EAF_NOREAD): New constant
 810         * tree-ssa-alias.c: (ref_maybe_used_by_call_p_1): Check for
 811         EAF_NOREAD.
 812         * tree-ssa-structalias.c (handle_rhs_call): Handle new flags.
 813         (handle_pure_call): Likewise.
 814
 815 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 816
 817         * tree.def (OMP_MASKED): New tree code.
 818         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
 819         * tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
 820         OMP_CLAUSE_FILTER_EXPR): Define.
 821         * tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
 822         (omp_clause_code_name): Likewise.
 823         (walk_tree_1): Handle OMP_CLAUSE_FILTER.
 824         * tree-nested.c (convert_nonlocal_omp_clauses,
 825         convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
 826         (convert_nonlocal_reference_stmt, convert_local_reference_stmt,
 827         convert_gimple_call): Handle GIMPLE_OMP_MASTER.
 828         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
 829         (dump_generic_node): Handle OMP_MASTER.
 830         * gimple.def (GIMPLE_OMP_MASKED): New gimple code.
 831         * gimple.c (gimple_build_omp_masked): New function.
 832         (gimple_copy): Handle GIMPLE_OMP_MASKED.
 833         * gimple.h (gimple_build_omp_masked): Declare.
 834         (gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
 835         (gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
 836         gimple_omp_masked_set_clauses): New inline functions.
 837         (CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
 838         * gimple-pretty-print.c (dump_gimple_omp_masked): New function.
 839         (pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
 840         * gimple-walk.c (walk_gimple_stmt): Likewise.
 841         * gimple-low.c (lower_stmt): Likewise.
 842         * gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
 843         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER.  For clauses
 844         that take one expression rather than decl or constant, force
 845         gimplification of that into a SSA_NAME or temporary unless min
 846         invariant.
 847         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
 848         (gimplify_expr): Handle OMP_MASKED.
 849         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
 850         (estimate_num_insns): Likewise.
 851         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
 852         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED.  Adjust
 853         diagnostics for existence of masked construct.
 854         (scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
 855         diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
 856         * omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
 857         Likewise.
 858
 859 2021-08-12  Uroš Bizjak  <ubizjak@gmail.com>
 860
 861         PR target/98309
 862         * config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
 863         (ldexp<mode>3): Use avx512f_scalef<mode>2.
 864         (UNSPEC_SCALEF): Move from ...
 865         * config/i386/sse.md (UNSPEC_SCALEF): ... here.
 866
 867 2021-08-12  Jan Hubicka  <hubicka@ucw.cz>
 868
 869         * ipa-split.c (consider_split): Fix condition testing void functions.
 870
 871 2021-08-12  Aldy Hernandez  <aldyh@redhat.com>
 872
 873         * doc/invoke.texi: Remove docs for threader-mode param.
 874         * flag-types.h (enum threader_mode): Remove.
 875         * params.opt: Remove threader-mode param.
 876         * tree-ssa-threadbackward.c (class back_threader): Remove
 877         path_is_unreachable_p.
 878         Make find_paths private.
 879         Add maybe_thread and thread_through_all_blocks.
 880         Remove reference marker for m_registry.
 881         Remove reference marker for m_profit.
 882         (back_threader::back_threader): Adjust for registry and profit not
 883         being references.
 884         (dump_path): Move down.
 885         (debug): Move down.
 886         (class thread_jumps): Remove.
 887         (class back_threader_registry): Remove m_all_paths.
 888         Remove destructor.
 889         (thread_jumps::thread_through_all_blocks): Move to back_threader
 890         class.
 891         (fsm_find_thread_path): Remove
 892         (back_threader::maybe_thread): New.
 893         (back_threader::thread_through_all_blocks): Move from
 894         thread_jumps.
 895         (back_threader_registry::back_threader_registry): Remove
 896         m_all_paths.
 897         (back_threader_registry::~back_threader_registry): Remove.
 898         (thread_jumps::find_taken_edge): Remove.
 899         (thread_jumps::check_subpath_and_update_thread_path): Remove.
 900         (thread_jumps::maybe_register_path): Remove.
 901         (thread_jumps::handle_phi): Remove.
 902         (handle_assignment_p): Remove.
 903         (thread_jumps::handle_assignment): Remove.
 904         (thread_jumps::fsm_find_control_statement_thread_paths): Remove.
 905         (thread_jumps::find_jump_threads_backwards): Remove.
 906         (thread_jumps::find_jump_threads_backwards_with_ranger): Remove.
 907         (try_thread_blocks): Rename find_jump_threads_backwards to
 908         maybe_thread.
 909         (pass_early_thread_jumps::execute): Same.
 910
 911 2021-08-12  Tobias Burnus  <tobias@codesourcery.com>
 912
 913         * tree-core.h (omp_clause_proc_bind_kind): Add
 914         OMP_CLAUSE_PROC_BIND_PRIMARY.
 915         * tree-pretty-print.c (dump_omp_clause): Add TODO comment to
 916         change 'master' to 'primary' in proc_bind for OpenMP 5.1.
 917
 918 2021-08-12  Claudiu Zissulescu  <claziss@synopsys.com>
 919
 920         * common/config/arc/arc-common.c (arc_option_init_struct): Remove
 921         fno-common reference.
 922         * config/arc/arc.c (arc_override_options): Remove overriding of
 923         flag_no_common.
 924
 925 2021-08-12  Jakub Jelinek  <jakub@redhat.com>
 926
 927         PR target/101860
 928         * config/i386/i386-expand.c (ix86_expand_vec_one_operand_perm_avx512):
 929         If d->testing_p, return true after performing checks instead of
 930         actually expanding the insn.
 931         (expand_vec_perm_broadcast_1): Handle V32HImode - assert
 932         !TARGET_AVX512BW and return false.
 933
 934 2021-08-12  Eric Botcazou  <ebotcazou@gcc.gnu.org>
 935
 936         * configure.ac (PE linker --disable-dynamicbase support): New check.
 937         * configure: Regenerate.
 938         * config.in: Likewise.
 939         * config/i386/mingw32.h (LINK_SPEC_DISABLE_DYNAMICBASE): New define.
 940         (LINK_SPEC): Use it.
 941         * config/i386/mingw-w64.h (LINK_SPEC_DISABLE_DYNAMICBASE): Likewise.
 942         (LINK_SPEC): Likewise.
 943
 944 2021-08-12  liuhongt  <hongtao.liu@intel.com>
 945
 946         PR target/101846
 947         * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_2): New
 948         post_reload define_insn_and_split.
 949         (*avx512bw_zero_extendv32qiv32hi2_2): Ditto.
 950         (*sse4_1_zero_extendv8qiv8hi2_4): Ditto.
 951         (*avx512f_zero_extendv16hiv16si2_2): Ditto.
 952         (*avx2_zero_extendv8hiv8si2_2): Ditto.
 953         (*sse4_1_zero_extendv4hiv4si2_4): Ditto.
 954         (*avx512f_zero_extendv8siv8di2_2): Ditto.
 955         (*avx2_zero_extendv4siv4di2_2): Ditto.
 956         (*sse4_1_zero_extendv2siv2di2_4): Ditto.
 957         (VI248_256, VI248_512, VI148_512, VI148_256, VI148_128): New
 958         mode iterator.
 959
 960 2021-08-11  Bill Schmidt  <wschmidt@linux.ibm.com>
 961
 962         * config/rs6000/rs6000-builtin-new.def: Add always, power5, and
 963         power6 stanzas.
 964
 965 2021-08-11  Bill Schmidt  <wschmidt@linux.ibm.com>
 966
 967         * config/rs6000/rs6000-builtin-new.def: Add vsx stanza.
 968
 969 2021-08-11  Bill Schmidt  <wschmidt@linux.ibm.com>
 970
 971         * config/rs6000/rs6000-builtin-new.def: Finish altivec stanza.
 972         * config/rs6000/rs6000-call.c (rs6000_init_builtins): Move
 973         initialization of pcvoid_type_node here...
 974         (altivec_init_builtins): ...from here.
 975         * config/rs6000/rs6000.h (rs6000_builtin_type_index): Add
 976         RS6000_BTI_const_ptr_void.
 977         (pcvoid_type_node): New macro.
 978
 979 2021-08-11  Richard Biener  <rguenther@suse.de>
 980
 981         PR target/101877
 982         * tree-ssa-forwprop.c (pass_forwprop::execute): Do not decompose
 983         hard-register accesses.
 984
 985 2021-08-11  Richard Biener  <rguenther@suse.de>
 986
 987         * tree-ssa-operands.c (operands_scanner::get_expr_operands):
 988         Do not look at COMPONENT_REF FIELD_DECLs TREE_THIS_VOLATILE
 989         to determine has_volatile_ops.
 990
 991 2021-08-11  Eric Botcazou  <ebotcazou@gcc.gnu.org>
 992
 993         * cfgexpand.c (expand_used_vars): Reuse attribs local variable.
 994
 995 2021-08-11  Jan Hubicka  <hubicka@ucw.cz>
 996             Alexandre Oliva  <oliva@adacore.com>
 997
 998         * ipa-modref.c (modref_lattice::dump): Fix escape_point's min_flags
 999         dumping.
1000         (modref_lattice::merge_deref): Fix handling of indirect scape points.
1001         (update_escape_summary_1): Likewise.
1002         (update_escape_summary): Likewise.
1003         (ipa_merge_modref_summary_after_inlining): Likewise.
1004
1005 2021-08-11  Richard Biener  <rguenther@suse.de>
1006
1007         PR middle-end/101858
1008         * fold-const.c (fold_binary_loc): Guard simplification
1009         of  X < (cast) (1 << Y) to integer types.
1010
1011 2021-08-11  Richard Biener  <rguenther@suse.de>
1012
1013         PR tree-optimization/101861
1014         * tree-vect-stmts.c (vectorizable_load): Fix error in
1015         previous change with regard to gather vectorization.
1016
1017 2021-08-11  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
1018
1019         PR target/66791
1020         * config/arm/arm_neon.h (vdup_n_s8): Replace call to builtin
1021         with constructor.
1022         (vdup_n_s16): Likewise.
1023         (vdup_n_s32): Likewise.
1024         (vdup_n_s64): Likewise.
1025         (vdup_n_u8): Likewise.
1026         (vdup_n_u16): Likewise.
1027         (vdup_n_u32): Likewise.
1028         (vdup_n_u64): Likewise.
1029         (vdup_n_p8): Likewise.
1030         (vdup_n_p16): Likewise.
1031         (vdup_n_p64): Likewise.
1032         (vdup_n_f16): Likewise.
1033         (vdup_n_f32): Likewise.
1034         (vdupq_n_s8): Likewise.
1035         (vdupq_n_s16): Likewise.
1036         (vdupq_n_s32): Likewise.
1037         (vdupq_n_s64): Likewise.
1038         (vdupq_n_u8): Likewise.
1039         (vdupq_n_u16): Likewise.
1040         (vdupq_n_u32): Likewise.
1041         (vdupq_n_u64): Likewise.
1042         (vdupq_n_p8): Likewise.
1043         (vdupq_n_p16): Likewise.
1044         (vdupq_n_p64): Likewise.
1045         (vdupq_n_f16): Likewise.
1046         (vdupq_n_f32): Likewise.
1047         (vmov_n_s8): Replace call to builtin with call to corresponding
1048         vdup_n intrinsic.
1049         (vmov_n_s16): Likewise.
1050         (vmov_n_s32): Likewise.
1051         (vmov_n_s64): Likewise.
1052         (vmov_n_u8): Likewise.
1053         (vmov_n_u16): Likewise.
1054         (vmov_n_u32): Likewise.
1055         (vmov_n_u64): Likewise.
1056         (vmov_n_p8): Likewise.
1057         (vmov_n_p16): Likewise.
1058         (vmov_n_f16): Likewise.
1059         (vmov_n_f32): Likewise.
1060         (vmovq_n_s8): Likewise.
1061         (vmovq_n_s16): Likewise.
1062         (vmovq_n_s32): Likewise.
1063         (vmovq_n_s64): Likewise.
1064         (vmovq_n_u8): Likewise.
1065         (vmovq_n_u16): Likewise.
1066         (vmovq_n_u32): Likewise.
1067         (vmovq_n_u64): Likewise.
1068         (vmovq_n_p8): Likewise.
1069         (vmovq_n_p16): Likewise.
1070         (vmovq_n_f16): Likewise.
1071         (vmovq_n_f32): Likewise.
1072         * config/arm/arm_neon_builtins.def: Remove entries for vdup_n.
1073
1074 2021-08-11  liuhongt  <hongtao.liu@intel.com>
1075
1076         PR target/98309
1077         * config/i386/i386.md (ldexp<mode>3): Extend to vscalefs[sd]
1078         when TARGET_AVX512F and TARGET_SSE_MATH.
1079
1080 2021-08-10  Jakub Jelinek  <jakub@redhat.com>
1081
1082         PR target/80355
1083         * config/i386/i386-expand.c (expand_vec_perm_even_odd): Return false
1084         for V32HImode if !TARGET_AVX512BW.
1085         (ix86_vectorize_vec_perm_const) <case E_V32HImode, case E_V64QImode>:
1086         If !TARGET_AVX512BW and TARGET_AVX512F and d.testing_p, don't fail
1087         early, but actually check the permutation.
1088
1089 2021-08-10  Richard Biener  <rguenther@suse.de>
1090
1091         PR tree-optimization/101809
1092         * tree-vect-stmts.c (get_load_store_type): Allow emulated
1093         gathers with offset vector nunits being a constant multiple
1094         of the data vector nunits.
1095         (vect_get_gather_scatter_ops): Use the appropriate nunits
1096         for the offset vector defs.
1097         (vectorizable_store): Adjust call to
1098         vect_get_gather_scatter_ops.
1099         (vectorizable_load): Likewise.  Handle the case of less
1100         offset vectors than data vectors.
1101
1102 2021-08-10  Jakub Jelinek  <jakub@redhat.com>
1103
1104         PR target/80355
1105         * config/i386/sse.md (*avx512f_shuf_<shuffletype>64x2_1<mask_name>_1,
1106         *avx512f_shuf_<shuffletype>32x4_1<mask_name>_1): New define_insn
1107         patterns.
1108
1109 2021-08-10  Richard Biener  <rguenther@suse.de>
1110
1111         PR tree-optimization/101801
1112         PR tree-optimization/101819
1113         * tree-vectorizer.h (vect_emulated_vector_p): Declare.
1114         * tree-vect-loop.c (vect_emulated_vector_p): New function.
1115         (vectorizable_reduction): Re-instantiate a check for emulated
1116         operations.
1117         * tree-vect-stmts.c (vectorizable_shift): Likewise.
1118         (vectorizable_operation): Likewise.  Cost emulated vector
1119         operations according to the scalar sequence synthesized by
1120         vector lowering.
1121
1122 2021-08-10  Richard Biener  <rguenther@suse.de>
1123
1124         PR middle-end/101824
1125         * tree-nested.c (get_frame_field): Mark the COMPONENT_REF as
1126         volatile in case the variable was.
1127
1128 2021-08-10  H.J. Lu  <hjl.tools@gmail.com>
1129
1130         PR target/101804
1131         * config/i386/constraints.md (BC): Document for integer SSE
1132         constant all bits set operand.
1133         (BF): New constraint for const floating-point all bits set
1134         vectors.
1135         * config/i386/i386.c (standard_sse_constant_p): Likewise.
1136         (standard_sse_constant_opcode): Likewise.
1137         * config/i386/sse.md (sseconstm1): New mode attribute.
1138         (mov<mode>_internal): Replace BC with <sseconstm1>.
1139
1140 2021-08-10  liuhongt  <hongtao.liu@intel.com>
1141
1142         * config/i386/sse.md (cond_<insn><mode>): New expander.
1143         (VI248_AVX512VLBW): New mode iterator.
1144         * config/i386/predicates.md
1145         (nonimmediate_or_const_vec_dup_operand): New predicate.
1146
1147 2021-08-09  Andrew MacLeod  <amacleod@redhat.com>
1148
1149         PR tree-optimization/101741
1150         * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Check
1151         type of parameter for toupper/tolower.
1152
1153 2021-08-09  Martin Jambor  <mjambor@suse.cz>
1154
1155         PR testsuite/101654
1156         * ipa-prop.c (propagate_controlled_uses): Removed a spurious space.
1157
1158 2021-08-09  Pat Haugen  <pthaugen@linux.ibm.com>
1159
1160         * config/rs6000/rs6000.c (is_load_insn1): Verify destination is a
1161         register.
1162         (is_store_insn1): Verify source is a register.
1163
1164 2021-08-09  Uroš Bizjak  <ubizjak@gmail.com>
1165
1166         PR target/101812
1167         * config/i386/mmx.md (<any_logic:code>v2sf3):
1168         Rename from *mmx_<any_logic:code>v2sf3
1169
1170 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1171
1172         * config/nvptx/nvptx.c: Cross-reference parts adapted in
1173         'gcc/omp-oacc-neuter-broadcast.cc'.
1174         * omp-low.c: Likewise.
1175         * omp-oacc-neuter-broadcast.cc: Cross-reference parts adapted from
1176         the above files.
1177
1178 2021-08-09  Julian Brown  <julian@codesourcery.com>
1179             Kwok Cheung Yeung  <kcy@codesourcery.com>
1180             Thomas Schwinge  <thomas@codesourcery.com>
1181
1182         * config/gcn/gcn.c (gcn_init_builtins): Override decls for
1183         BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START,
1184         BUILT_IN_GOACC_SINGLE_COPY_END and BUILT_IN_GOACC_BARRIER.
1185         (gcn_goacc_validate_dims): Turn on worker partitioning unconditionally.
1186         (gcn_fork_join): Update comment.
1187         * config/gcn/gcn.opt (flag_worker_partitioning): Remove.
1188         (macc_experimental_workers): Remove unused option.
1189
1190 2021-08-09  Julian Brown  <julian@codesourcery.com>
1191             Nathan Sidwell  <nathan@codesourcery.com> (via 'gcc/config/nvptx/nvptx.c' master)
1192             Kwok Cheung Yeung  <kcy@codesourcery.com>
1193             Thomas Schwinge  <thomas@codesourcery.com>
1194
1195         * Makefile.in (OBJS): Add omp-oacc-neuter-broadcast.o.
1196         * doc/tm.texi.in (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD):
1197         Add documentation hook.
1198         * doc/tm.texi: Regenerate.
1199         * omp-oacc-neuter-broadcast.cc: New file.
1200         * omp-builtins.def (BUILT_IN_GOACC_BARRIER)
1201         (BUILT_IN_GOACC_SINGLE_START, BUILT_IN_GOACC_SINGLE_COPY_START)
1202         (BUILT_IN_GOACC_SINGLE_COPY_END): New builtins.
1203         * passes.def (pass_omp_oacc_neuter_broadcast): Add pass.
1204         * target.def (goacc.create_worker_broadcast_record): Add target
1205         hook.
1206         * tree-pass.h (make_pass_omp_oacc_neuter_broadcast): Add
1207         prototype.
1208         * config/gcn/gcn-protos.h (gcn_goacc_adjust_propagation_record):
1209         Rename prototype to...
1210         (gcn_goacc_create_worker_broadcast_record): ... this.
1211         * config/gcn/gcn-tree.c (gcn_goacc_adjust_propagation_record): Rename
1212         function to...
1213         (gcn_goacc_create_worker_broadcast_record): ... this.
1214         * config/gcn/gcn.c (TARGET_GOACC_ADJUST_PROPAGATION_RECORD):
1215         Rename to...
1216         (TARGET_GOACC_CREATE_WORKER_BROADCAST_RECORD): ... this.
1217
1218 2021-08-09  Tejas Belagod  <tejas.belagod@arm.com>
1219
1220         PR target/101609
1221         * config/aarch64/aarch64-simd.md (vlshr<mode>3, vashr<mode>3): Use
1222         the right iterator.
1223
1224 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1225
1226         * Makefile.in (GTFILES): Remove '$(srcdir)/omp-offload.c'.
1227
1228 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1229
1230         * builtins.def (DEF_GOACC_BUILTIN, DEF_GOMP_BUILTIN): Don't
1231         consider '-foffload-abi'.
1232         * common.opt (-foffload-abi): Remove 'Var', 'Init'.
1233         * opts.c (common_handle_option) <-foffload-abi> [ACCEL_COMPILER]:
1234         Ignore.
1235
1236 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1237
1238         * optc-gen.awk: Sanity check that 'Init' doesn't appear without
1239         'Var'.
1240
1241 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1242
1243         * omp-builtins.def (BUILT_IN_ACC_GET_DEVICE_TYPE): Remove.
1244
1245 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1246
1247         * doc/gty.texi (Files): Update.
1248
1249 2021-08-09  Thomas Schwinge  <thomas@codesourcery.com>
1250
1251         * doc/gty.texi (Files): Fix GTY header file example.
1252
1253 2021-08-09  Roger Sayle  <roger@nextmovesoftware.com>
1254
1255         * tree-ssa-ccp.c (value_mask_to_min_max): Helper function to
1256         determine the upper and lower bounds from a mask-value pair.
1257         (bit_value_unop) [ABS_EXPR, ABSU_EXPR]: Add support for
1258         absolute value and unsigned absolute value expressions.
1259         (bit_value_binop):  Initialize *VAL's precision.
1260         [LT_EXPR, LE_EXPR]: Use value_mask_to_min_max to determine
1261         upper and lower bounds of operands.  Add LE_EXPR/GE_EXPR
1262         support when the operands are unknown but potentially equal.
1263         [MIN_EXPR, MAX_EXPR]: Support minimum/maximum expressions.
1264
1265 2021-08-09  Bin Cheng  <bin.cheng@linux.alibaba.com>
1266
1267         * config/aarch64/aarch64.md
1268         (*extend<SHORT:mode><GPI:mode>2_aarch64): Use %<GPI:w>0.
1269
1270 2021-08-08  Sergei Trofimovich  <siarheit@google.com>
1271
1272         * lra-constraints.c: Fix s/otput/output/ typo.
1273
1274 2021-08-06  Martin Sebor  <msebor@redhat.com>
1275
1276         * builtins.c (expand_builtin_memchr): Move to gimple-ssa-warn-access.cc.
1277         (expand_builtin_strcat): Same.
1278         (expand_builtin_stpncpy): Same.
1279         (expand_builtin_strncat): Same.
1280         (check_read_access): Same.
1281         (check_memop_access): Same.
1282         (expand_builtin_strlen): Move checks to gimple-ssa-warn-access.cc.
1283         (expand_builtin_strnlen): Same.
1284         (expand_builtin_memcpy): Same.
1285         (expand_builtin_memmove): Same.
1286         (expand_builtin_mempcpy): Same.
1287         (expand_builtin_strcpy): Same.
1288         (expand_builtin_strcpy_args): Same.
1289         (expand_builtin_stpcpy_1): Same.
1290         (expand_builtin_strncpy): Same.
1291         (expand_builtin_memset): Same.
1292         (expand_builtin_bzero): Same.
1293         (expand_builtin_strcmp): Same.
1294         (expand_builtin_strncmp): Same.
1295         (expand_builtin): Remove handlers.
1296         (fold_builtin_strlen): Add a comment.
1297         * builtins.h (check_access): Move to gimple-ssa-warn-access.cc.
1298         * calls.c (maybe_warn_nonstring_arg): Same.
1299         * diagnostic-spec.c (nowarn_spec_t::nowarn_spec_t): Add warning option.
1300         * gimple-fold.c (gimple_fold_builtin_strcpy): Pass argument to callee.
1301         (gimple_fold_builtin_stpcpy): Same.
1302         * gimple-ssa-warn-access.cc (has_location): New function.
1303         (get_location): Same.
1304         (get_callee_fndecl): Same.
1305         (call_nargs): Same.
1306         (call_arg): Same.
1307         (warn_string_no_nul): Define.
1308         (unterminated_array): Same.
1309         (check_nul_terminated_array): Same.
1310         (maybe_warn_nonstring_arg): Same.
1311         (maybe_warn_for_bound): Same.
1312         (warn_for_access): Same.
1313         (check_access): Same.
1314         (check_memop_access): Same.
1315         (check_read_access): Same.
1316         (warn_dealloc_offset): Use helper functions.
1317         (maybe_emit_free_warning): Same.
1318         (class pass_waccess): Add members.
1319         (check_strcat): New function.
1320         (check_strncat): New function.
1321         (check_stxcpy): New function.
1322         (check_stxncpy): New function.
1323         (check_strncmp): New function.
1324         (pass_waccess::check_builtin): New function.
1325         (pass_waccess::check): Call it.
1326         * gimple-ssa-warn-access.h (warn_string_no_nul): Move here from
1327         builtins.h.
1328         (maybe_warn_for_bound): Same.
1329         (check_access): Same.
1330         (check_memop_access): Same.
1331         (check_read_access): Same.
1332         * pointer-query.h (struct access_data): Define a ctor overload.
1333
1334 2021-08-06  Richard Biener  <rguenther@suse.de>
1335
1336         PR tree-optimization/101801
1337         * tree-vectorizer.h (vect_worthwhile_without_simd_p): Rename...
1338         (vect_can_vectorize_without_simd_p): ... to this.
1339         * tree-vect-loop.c (vect_worthwhile_without_simd_p): Rename...
1340         (vect_can_vectorize_without_simd_p): ... to this and fold
1341         in vect_min_worthwhile_factor.
1342         (vect_min_worthwhile_factor): Remove.
1343         (vectorizable_reduction): Adjust and remove the cost part.
1344         * tree-vect-stmts.c (vectorizable_shift): Likewise.
1345         (vectorizable_operation): Likewise.
1346
1347 2021-08-06  Uroš Bizjak  <ubizjak@gmail.com>
1348
1349         PR target/101797
1350         * config/i386/i386.md (cmove reg-to-reg move elimination peephole2s):
1351         Add general_gr_operand predicate to operand 3.
1352
1353 2021-08-06  Roger Sayle  <roger@nextmovesoftware.com>
1354
1355         * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern): Use
1356         CFN_BUILT_IN_CLRSB* instead of BUILT_IN_CLRSB* for consistency.
1357
1358 2021-08-06  Tamar Christina  <tamar.christina@arm.com>
1359
1360         * config/aarch64/aarch64-sve-builtins.cc (register_svpattern,
1361         register_svprfop): Pass vec<> by pointer.
1362         * langhooks-def.h (lhd_simulate_enum_decl): Likewise.
1363         * langhooks.c (lhd_simulate_enum_decl): Likewise.
1364         * langhooks.h (struct lang_hooks_for_types): Likewise.
1365
1366 2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
1367
1368         * config/aarch64/arm_neon.h (vst1_bf16_x2): Use
1369         __builtin_memcpy instead of constructing an additional
1370         __builtin_aarch64_simd_oi one vector at a time.
1371         (vst1q_bf16_x2): Likewise.
1372         (vst1_bf16_x3): Use __builtin_memcpy instead of constructing
1373         an additional __builtin_aarch64_simd_ci one vector at a time.
1374         (vst1q_bf16_x3): Likewise.
1375         (vst1_bf16_x4): Use __builtin_memcpy instead of a union.
1376         (vst1q_bf16_x4): Likewise.
1377         (vst2_bf16): Use __builtin_memcpy instead of constructing an
1378         additional __builtin_aarch64_simd_oi one vector at a time.
1379         (vst2q_bf16): Likewise.
1380         (vst3_bf16): Use __builtin_memcpy instead of constructing an
1381         additional __builtin_aarch64_simd_ci mode one vector at a
1382         time.
1383         (vst3q_bf16): Likewise.
1384         (vst4_bf16): Use __builtin_memcpy instead of constructing an
1385         additional __builtin_aarch64_simd_xi one vector at a time.
1386         (vst4q_bf16): Likewise.
1387
1388 2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
1389
1390         * config/aarch64/arm_neon.h (__ST2_LANE_FUNC): Delete.
1391         (__ST2Q_LANE_FUNC): Delete.
1392         (vst2_lane_f16): Use __builtin_memcpy to copy vector
1393         structure instead of constructing __builtin_aarch64_simd_oi
1394         one vector at a time.
1395         (vst2_lane_f32): Likewise.
1396         (vst2_lane_f64): Likewise.
1397         (vst2_lane_p8): Likewise.
1398         (vst2_lane_p16): Likewise.
1399         (vst2_lane_p64): Likewise.
1400         (vst2_lane_s8): Likewise.
1401         (vst2_lane_s16): Likewise.
1402         (vst2_lane_s32): Likewise.
1403         (vst2_lane_s64): Likewise.
1404         (vst2_lane_u8): Likewise.
1405         (vst2_lane_u16): Likewise.
1406         (vst2_lane_u32): Likewise.
1407         (vst2_lane_u64): Likewise.
1408         (vst2_lane_bf16): Likewise.
1409         (vst2q_lane_f16): Use __builtin_memcpy to copy vector
1410         structure instead of using a union.
1411         (vst2q_lane_f32): Likewise.
1412         (vst2q_lane_f64): Likewise.
1413         (vst2q_lane_p8): Likewise.
1414         (vst2q_lane_p16): Likewise.
1415         (vst2q_lane_p64): Likewise.
1416         (vst2q_lane_s8): Likewise.
1417         (vst2q_lane_s16): Likewise.
1418         (vst2q_lane_s32): Likewise.
1419         (vst2q_lane_s64): Likewise.
1420         (vst2q_lane_u8): Likewise.
1421         (vst2q_lane_u16): Likewise.
1422         (vst2q_lane_u32): Likewise.
1423         (vst2q_lane_u64): Likewise.
1424         (vst2q_lane_bf16): Likewise.
1425
1426 2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
1427
1428         * config/aarch64/arm_neon.h (__ST3_LANE_FUNC): Delete.
1429         (__ST3Q_LANE_FUNC): Delete.
1430         (vst3_lane_f16): Use __builtin_memcpy to copy vector
1431         structure instead of constructing __builtin_aarch64_simd_ci
1432         one vector at a time.
1433         (vst3_lane_f32): Likewise.
1434         (vst3_lane_f64): Likewise.
1435         (vst3_lane_p8): Likewise.
1436         (vst3_lane_p16): Likewise.
1437         (vst3_lane_p64): Likewise.
1438         (vst3_lane_s8): Likewise.
1439         (vst3_lane_s16): Likewise.
1440         (vst3_lane_s32): Likewise.
1441         (vst3_lane_s64): Likewise.
1442         (vst3_lane_u8): Likewise.
1443         (vst3_lane_u16): Likewise.
1444         (vst3_lane_u32): Likewise.
1445         (vst3_lane_u64): Likewise.
1446         (vst3_lane_bf16): Likewise.
1447         (vst3q_lane_f16): Use __builtin_memcpy to copy vector
1448         structure instead of using a union.
1449         (vst3q_lane_f32): Likewise.
1450         (vst3q_lane_f64): Likewise.
1451         (vst3q_lane_p8): Likewise.
1452         (vst3q_lane_p16): Likewise.
1453         (vst3q_lane_p64): Likewise.
1454         (vst3q_lane_s8): Likewise.
1455         (vst3q_lane_s16): Likewise.
1456         (vst3q_lane_s32): Likewise.
1457         (vst3q_lane_s64): Likewise.
1458         (vst3q_lane_u8): Likewise.
1459         (vst3q_lane_u16): Likewise.
1460         (vst3q_lane_u32): Likewise.
1461         (vst3q_lane_u64): Likewise.
1462         (vst3q_lane_bf16): Likewise.
1463
1464 2021-08-06  Jonathan Wright  <jonathan.wright@arm.com>
1465
1466         * config/aarch64/arm_neon.h (__ST4_LANE_FUNC): Delete.
1467         (__ST4Q_LANE_FUNC): Delete.
1468         (vst4_lane_f16): Use __builtin_memcpy to copy vector
1469         structure instead of constructing __builtin_aarch64_simd_xi
1470         one vector at a time.
1471         (vst4_lane_f32): Likewise.
1472         (vst4_lane_f64): Likewise.
1473         (vst4_lane_p8): Likewise.
1474         (vst4_lane_p16): Likewise.
1475         (vst4_lane_p64): Likewise.
1476         (vst4_lane_s8): Likewise.
1477         (vst4_lane_s16): Likewise.
1478         (vst4_lane_s32): Likewise.
1479         (vst4_lane_s64): Likewise.
1480         (vst4_lane_u8): Likewise.
1481         (vst4_lane_u16): Likewise.
1482         (vst4_lane_u32): Likewise.
1483         (vst4_lane_u64): Likewise.
1484         (vst4_lane_bf16): Likewise.
1485         (vst4q_lane_f16): Use __builtin_memcpy to copy vector
1486         structure instead of using a union.
1487         (vst4q_lane_f32): Likewise.
1488         (vst4q_lane_f64): Likewise.
1489         (vst4q_lane_p8): Likewise.
1490         (vst4q_lane_p16): Likewise.
1491         (vst4q_lane_p64): Likewise.
1492         (vst4q_lane_s8): Likewise.
1493         (vst4q_lane_s16): Likewise.
1494         (vst4q_lane_s32): Likewise.
1495         (vst4q_lane_s64): Likewise.
1496         (vst4q_lane_u8): Likewise.
1497         (vst4q_lane_u16): Likewise.
1498         (vst4q_lane_u32): Likewise.
1499         (vst4q_lane_u64): Likewise.
1500         (vst4q_lane_bf16): Likewise.
1501
1502 2021-08-06  Martin Liska  <mliska@suse.cz>
1503
1504         * config/rs6000/rs6000.c (rs6000_option_override_internal): When
1505         a target option is restored, it can have
1506         rs6000_long_double_type_size set to FLOAT_PRECISION_TFmode
1507         and error should not be emitted.
1508
1509 2021-08-06  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1510
1511         * gcov-io.h (gcov_write): Declare.
1512         * gcov-io.c (gcov_write): New.
1513         (gcov_write_counter): Remove.
1514         (gcov_write_tag_length): Likewise.
1515         (gcov_write_summary): Replace gcov_write_tag_length() with calls to
1516         gcov_write_unsigned().
1517         * doc/invoke.texi (fprofile-info-section): Mention
1518         __gcov_info_to_gdca().
1519
1520 2021-08-06  Martin Sebor  <msebor@redhat.com>
1521
1522         * dominance.c (prune_bbs_to_update_dominators): Adjust by-value vec
1523         arguments to by-reference.
1524         (iterate_fix_dominators): Same.
1525         * dominance.h (iterate_fix_dominators): Same.
1526         * ipa-prop.h: Call auto_vec::to_vec_legacy.
1527         * tree-data-ref.c (dump_data_dependence_relation): Adjust by-value vec
1528         arguments to by-reference.
1529         (debug_data_dependence_relation): Same.
1530         (dump_data_dependence_relations): Same.
1531         * tree-data-ref.h (debug_data_dependence_relation): Same.
1532         (dump_data_dependence_relations): Same.
1533         * tree-predcom.c (dump_chains): Same.
1534         (initialize_root_vars_lm): Same.
1535         (determine_unroll_factor): Same.
1536         (replace_phis_by_defined_names): Same.
1537         (insert_init_seqs): Same.
1538         (pcom_worker::tree_predictive_commoning_loop): Call
1539          auto_vec::to_vec_legacy.
1540         * tree-ssa-pre.c (insert_into_preds_of_block): Adjust by-value vec
1541         arguments to by-reference.
1542         * tree-ssa-threadbackward.c (populate_worklist): Same.
1543         (back_threader::resolve_def): Same.
1544         * tree-vect-data-refs.c (vect_check_nonzero_value): Same.
1545         (vect_enhance_data_refs_alignment): Same.
1546         (vect_check_lower_bound): Same.
1547         (vect_prune_runtime_alias_test_list): Same.
1548         (vect_permute_store_chain): Same.
1549         * tree-vect-slp-patterns.c (vect_normalize_conj_loc): Same.
1550         * tree-vect-stmts.c (vect_create_vectorized_demotion_stmts): Same.
1551         * tree-vectorizer.h (vect_permute_store_chain): Same.
1552         * vec.c (test_init): New function.
1553         (vec_c_tests): Call new function.
1554         * vec.h (vec): Declare ctors, dtor, and assignment.
1555         (auto_vec::vec_to_legacy): New function.
1556         (vec::copy): Adjust initialization.
1557
1558 2021-08-05  H.J. Lu  <hjl.tools@gmail.com>
1559
1560         PR target/99744
1561         * config/i386/i386.c (ix86_can_inline_p): Ignore MASK_80387 if
1562         callee only uses GPRs.
1563         * config/i386/ia32intrin.h: Revert commit 5463cee2770.
1564         * config/i386/serializeintrin.h: Revert commit 71958f740f1.
1565         * config/i386/x86gprintrin.h: Add
1566         #pragma GCC target("general-regs-only") and #pragma GCC pop_options
1567         to disable non-GPR ISAs.
1568
1569 2021-08-05  Richard Sandiford  <richard.sandiford@arm.com>
1570
1571         PR middle-end/101787
1572         * doc/md.texi (cond_ashl, cond_ashr, cond_lshr): Document.
1573
1574 2021-08-05  Richard Sandiford  <richard.sandiford@arm.com>
1575
1576         * tree-vectorizer.h (vect_is_store_elt_extraction, vect_is_reduction)
1577         (vect_reduc_type, vect_embedded_comparison_type, vect_comparison_type)
1578         (vect_is_extending_load, vect_is_integer_truncation): New functions,
1579         moved from aarch64.c but given different names.
1580         * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction)
1581         (aarch64_is_reduction, aarch64_reduc_type)
1582         (aarch64_embedded_comparison_type, aarch64_comparison_type)
1583         (aarch64_extending_load_p, aarch64_integer_truncation_p): Delete
1584         in favor of the above.  Update callers accordingly.
1585
1586 2021-08-05  Richard Earnshaw  <rearnsha@arm.com>
1587
1588         PR target/101723
1589         * config/arm/arm-cpus.in (generic-armv7-a): Add quirk to suppress
1590         writing .cpu directive in asm output.
1591         * config/arm/arm.c (arm_identify_fpu_from_isa): New variable.
1592         (arm_last_printed_arch_string): Delete.
1593         (arm_last-printed_fpu_string): Delete.
1594         (arm_configure_build_target): If use of floating-point/SIMD is
1595         disabled, remove all fp/simd related features from the target ISA.
1596         (last_arm_targ_options): New variable.
1597         (arm_print_asm_arch_directives): Add new parameters.  Change order
1598         of emitted directives and handle all cases here.
1599         (arm_file_start): Always call arm_print_asm_arch_directives, move
1600         all generation of .arch/.arch_extension here.
1601         (arm_file_end): Call arm_print_asm_arch.
1602         (arm_declare_function_name): Call arm_print_asm_arch_directives
1603         instead of printing .arch/.fpu directives directly.
1604
1605 2021-08-05  Richard Earnshaw  <rearnsha@arm.com>
1606
1607         * config/arm/arm.c (arm_configure_build_target): Don't call
1608         arm_option_reconfigure_globals.
1609         (arm_option_restore): Call arm_option_reconfigure_globals after
1610         reconfiguring the target.
1611         * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
1612
1613 2021-08-05  Richard Earnshaw  <rearnsha@arm.com>
1614
1615         * config/arm/arm.c (arm_configure_build_target): Ensure the target's
1616         arch_name is always set.
1617
1618 2021-08-05  Jonathan Wright  <jonathan.wright@arm.com>
1619
1620         * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
1621         of vec_select high-half from being added into Neon subtract
1622         cost.
1623
1624 2021-08-05  Jonathan Wright  <jonathan.wright@arm.com>
1625
1626         * config/aarch64/aarch64.c: Traverse RTL tree to prevent cost
1627         of vec_select high-half from being added into Neon add cost.
1628
1629 2021-08-05  Kewen Lin  <linkw@linux.ibm.com>
1630
1631         * cfgloop.h (loops_list::loops_list): Add one optional argument
1632         root and adjust accordingly, update loop tree walking and factor
1633         out to ...
1634         * cfgloop.c (loops_list::walk_loop_tree): ... this.  New function.
1635
1636 2021-08-05  Eric Botcazou  <ebotcazou@gcc.gnu.org>
1637
1638         PR tree-optimization/101626
1639         * tree-sra.c (propagate_subaccesses_from_rhs): Do not set the
1640         reverse scalar storage order on a pointer or vector component.
1641
1642 2021-08-05  liuhongt  <hongtao.liu@intel.com>
1643
1644         * config/i386/sse.md (cond_<code><mode>): New expander.
1645
1646 2021-08-05  liuhongt  <hongtao.liu@intel.com>
1647
1648         * config/i386/sse.md (cond_<code><mode>): New expander.
1649
1650 2021-08-05  liuhongt  <hongtao.liu@intel.com>
1651
1652         * config/i386/sse.md (cond_<code><mode>): New expander.
1653
1654 2021-08-04  David Malcolm  <dmalcolm@redhat.com>
1655
1656         PR analyzer/101570
1657         * Makefile.in (ANALYZER_OBJS): Add analyzer/region-model-asm.o.
1658
1659 2021-08-04  H.J. Lu  <hjl.tools@gmail.com>
1660
1661         PR target/101742
1662         * config/i386/i386.h (STORE_MAX_PIECES): Allow 16/32/64 bytes
1663         only if TARGET_INTER_UNIT_MOVES_TO_VEC is true.
1664
1665 2021-08-04  H.J. Lu  <hjl.tools@gmail.com>
1666
1667         PR target/101772
1668         * config/i386/i386-expand.c (ix86_expand_vector_move): Call
1669         ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
1670         data with SSE register from one memory location to another.
1671
1672 2021-08-04  Andreas Krebbel  <krebbel@linux.ibm.com>
1673
1674         * config/s390/s390.c (expand_perm_with_vpdi): New function.
1675         (vectorize_vec_perm_const_1): Call expand_perm_with_vpdi.
1676         * config/s390/vector.md (*vpdi1<mode>, @vpdi1<mode>): Enable a
1677         parameterized expander.
1678         (*vpdi4<mode>, @vpdi4<mode>): Likewise.
1679
1680 2021-08-04  Andreas Krebbel  <krebbel@linux.ibm.com>
1681
1682         * config/s390/s390.c (MAX_VECT_LEN): Define macro.
1683         (struct expand_vec_perm_d): Define struct.
1684         (expand_perm_with_merge): New function.
1685         (vectorize_vec_perm_const_1): New function.
1686         (s390_vectorize_vec_perm_const): New function.
1687         (TARGET_VECTORIZE_VEC_PERM_CONST): Define target macro.
1688
1689 2021-08-04  Andreas Krebbel  <krebbel@linux.ibm.com>
1690
1691         * config/s390/vector.md (V_HW_64): Remove mode iterator.
1692         (*vec_load_pair<mode>): Use V_HW_2 instead of V_HW_64.
1693         * config/s390/vx-builtins.md
1694         (vec_scatter_element<V_HW_2:mode>_SI): Use V_HW_2 instead of
1695         V_HW_64.
1696
1697 2021-08-04  Andreas Krebbel  <krebbel@linux.ibm.com>
1698
1699         * config/s390/s390.md (UNSPEC_VEC_PERMI): Remove constant
1700         definition.
1701         * config/s390/vector.md (*vpdi1<mode>, *vpdi4<mode>): New pattern
1702         definitions.
1703         * config/s390/vx-builtins.md (*vec_permi<mode>): Emit generic rtx
1704         instead of an unspec.
1705
1706 2021-08-04  Andreas Krebbel  <krebbel@linux.ibm.com>
1707
1708         * config/s390/s390-modes.def: Add more vector modes to support
1709         concatenation of two vectors.
1710         * config/s390/s390-protos.h (s390_expand_merge_perm_const): Add
1711         prototype.
1712         (s390_expand_merge): Likewise.
1713         * config/s390/s390.c (s390_expand_merge_perm_const): New function.
1714         (s390_expand_merge): New function.
1715         * config/s390/s390.md (UNSPEC_VEC_MERGEH, UNSPEC_VEC_MERGEL):
1716         Remove constant definitions.
1717         * config/s390/vector.md (V_HW_2): Add mode iterators.
1718         (VI_HW_4, V_HW_4): Rename VI_HW_4 to V_HW_4.
1719         (vec_2x_nelts, vec_2x_wide): New mode attributes.
1720         (*vmrhb, *vmrlb, *vmrhh, *vmrlh, *vmrhf, *vmrlf, *vmrhg, *vmrlg):
1721         New pattern definitions.
1722         (vec_widen_umult_lo_<mode>, vec_widen_umult_hi_<mode>)
1723         (vec_widen_smult_lo_<mode>, vec_widen_smult_hi_<mode>)
1724         (vec_unpacks_lo_v4sf, vec_unpacks_hi_v4sf, vec_unpacks_lo_v2df)
1725         (vec_unpacks_hi_v2df): Adjust expanders to emit non-unspec RTX for
1726         vec merge.
1727         * config/s390/vx-builtins.md (V_HW_4): Remove mode iterator. Now
1728         in vector.md.
1729         (vec_mergeh<mode>, vec_mergel<mode>): Use s390_expand_merge to
1730         emit vec merge pattern.
1731
1732 2021-08-04  Jonathan Wright  <jonathan.wright@arm.com>
1733
1734         * config/aarch64/aarch64.c (aarch64_strip_extend_vec_half):
1735         Define.
1736         (aarch64_rtx_mult_cost): Traverse RTL tree to prevent cost of
1737         vec_select high-half from being added into Neon multiply
1738         cost.
1739         * rtlanal.c (vec_series_highpart_p): Define.
1740         * rtlanal.h (vec_series_highpart_p): Declare.
1741
1742 2021-08-04  Jonathan Wright  <jonathan.wright@arm.com>
1743
1744         * config/aarch64/aarch64.c (aarch64_strip_duplicate_vec_elt):
1745         Define.
1746         (aarch64_rtx_mult_cost): Traverse RTL tree to prevent
1747         vec_select cost from being added into Neon multiply cost.
1748
1749 2021-08-04  Richard Sandiford  <richard.sandiford@arm.com>
1750
1751         * tree-vect-loop.c (vect_better_loop_vinfo_p): Detect cases in
1752         which old_loop_vinfo is an epilogue loop that handles a constant
1753         number of iterations.
1754
1755 2021-08-04  Richard Sandiford  <richard.sandiford@arm.com>
1756
1757         * tree-vect-loop.c (vect_analyze_loop): Print a dump message
1758         when a reanalyzed loop fails to be cheaper than the current
1759         main loop.
1760
1761 2021-08-04  Richard Sandiford  <richard.sandiford@arm.com>
1762
1763         * config/aarch64/aarch64.c: Fix a typo.
1764
1765 2021-08-04  Vincent Lefèvre  <vincent-gcc@vinc17.net>
1766
1767         PR gcov-profile/101773
1768         * gcov-io.c (gcov_close): Check return code of a fclose.
1769
1770 2021-08-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1771
1772         PR ada/101575
1773         * dwarf2out.c (dwarf2out_assembly_start): Emit a dummy
1774         .file statement when needed.
1775
1776 2021-08-04  Richard Biener  <rguenther@suse.de>
1777
1778         * tree-vect-data-refs.c (vect_check_gather_scatter):
1779         Include widening conversions only when the result is
1780         still handed by native gather or the current offset
1781         size not already matches the data size.
1782         Also succeed analysis in case there's no native support,
1783         noted by a IFN_LAST ifn and a NULL decl.
1784         (vect_analyze_data_refs): Always consider gathers.
1785         * tree-vect-patterns.c (vect_recog_gather_scatter_pattern):
1786         Test for no IFN gather rather than decl gather.
1787         * tree-vect-stmts.c (vect_model_load_cost): Pass in the
1788         gather-scatter info and cost emulated gathers accordingly.
1789         (vect_truncate_gather_scatter_offset): Properly test for
1790         no IFN gather.
1791         (vect_use_strided_gather_scatters_p): Likewise.
1792         (get_load_store_type): Handle emulated gathers and its
1793         restrictions.
1794         (vectorizable_load): Likewise.  Emulate them by extracting
1795         scalar offsets, doing scalar loads and a vector construct.
1796
1797 2021-08-04  H.J. Lu  <hjl.tools@gmail.com>
1798
1799         PR target/101742
1800         * expr.c (op_by_pieces_d::op_by_pieces_d): Add a max_pieces
1801         argument to set m_max_size.
1802         (move_by_pieces_d): Pass MOVE_MAX_PIECES to op_by_pieces_d.
1803         (store_by_pieces_d): Pass STORE_MAX_PIECES to op_by_pieces_d.
1804         (compare_by_pieces_d): Pass COMPARE_MAX_PIECES to op_by_pieces_d.
1805
1806 2021-08-04  Roger Sayle  <roger@nextmovesoftware.com>
1807             Marc Glisse  <marc.glisse@inria.fr>
1808
1809         * match.pd (bit_ior, bit_xor): Canonicalize (X*C1)|(X*C2) and
1810         (X*C1)^(X*C2) as X*(C1+C2), and related variants, using
1811         tree_nonzero_bits to ensure that operands are bit-wise disjoint.
1812
1813 2021-08-04  Richard Biener  <rguenther@suse.de>
1814
1815         * tree-ssa-forwprop.c (pass_forwprop::execute): Split
1816         out code to decompose vector loads ...
1817         (optimize_vector_load): ... here.  Generalize it to
1818         handle intermediate widening and TARGET_MEM_REF loads
1819         and apply it to loads with a supported vector mode as well.
1820
1821 2021-08-04  Richard Biener  <rguenther@suse.de>
1822
1823         PR tree-optimization/101756
1824         * tree-vect-slp.c (vectorizable_bb_reduc_epilogue): Make sure
1825         the result of the reduction epilogue is compatible to the original
1826         scalar result.
1827
1828 2021-08-04  liuhongt  <hongtao.liu@intel.com>
1829
1830         PR target/101743
1831         * config/i386/i386.md (peephole2): Refine predicate from
1832         register_operand to general_reg_operand.
1833
1834 2021-08-04  Aldy Hernandez  <aldyh@redhat.com>
1835
1836         * gimple-range-path.h (path_range_query::dump): Mark override.
1837
1838 2021-08-04  Richard Biener  <rguenther@suse.de>
1839
1840         PR tree-optimization/101769
1841         * tree-tailcall.c (eliminate_tail_call): Add the created loop
1842         for the first recursion and return it via the new output parameter.
1843         (optimize_tail_call): Pass through new output param.
1844         (tree_optimize_tail_calls_1): After creating all latches,
1845         add the created loop to the loop tree.  Do not mark loops for fixup.
1846
1847 2021-08-04  Martin Liska  <mliska@suse.cz>
1848
1849         * doc/invoke.texi: Document threader-mode param.
1850
1851 2021-08-04  liuhongt  <hongtao.liu@intel.com>
1852
1853         * config/i386/sse.md (cond_fma<mode>): New expander.
1854         (cond_fms<mode>): Ditto.
1855         (cond_fnma<mode>): Ditto.
1856         (cond_fnms<mode>): Ditto.
1857
1858 2021-08-03  Segher Boessenkool  <segher@kernel.crashing.org>
1859
1860         * config/rs6000/vsx.md (*vsx_le_perm_store_<mode>): Use && instead of &.
1861
1862 2021-08-03  Segher Boessenkool  <segher@kernel.crashing.org>
1863
1864         * config/rs6000/constraints.md: Remove "e" from the list of available
1865         constraint characters.
1866
1867 2021-08-03  Eugene Rozenfeld  <erozen@microsoft.com>
1868
1869         PR gcov-profile/71672
1870         * auto-profile.c (afdo_indirect_call): Fix setup of the historgram value for indirect calls.
1871
1872 2021-08-03  Paul A. Clarke  <pc@us.ibm.com>
1873
1874         * config/rs6000/smmintrin.h (_mm_minpos_epu16): New.
1875
1876 2021-08-03  H.J. Lu  <hjl.tools@gmail.com>
1877
1878         * config/i386/i386.c (ix86_gen_scratch_sse_rtx): In 64-bit mode,
1879         try XMM31 to avoid vzeroupper.
1880
1881 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1882
1883         * doc/invoke.texi: Document -mtune=neoverse-512tvb and
1884         -mcpu=neoverse-512tvb.
1885         * config/aarch64/aarch64-cores.def (neoverse-512tvb): New entry.
1886         * config/aarch64/aarch64-tune.md: Regenerate.
1887         * config/aarch64/aarch64.c (neoverse512tvb_sve_vector_cost)
1888         (neoverse512tvb_sve_issue_info, neoverse512tvb_vec_issue_info)
1889         (neoverse512tvb_vector_cost, neoverse512tvb_tunings): New structures.
1890         (aarch64_adjust_body_cost_sve): Handle -mtune=neoverse-512tvb.
1891         (aarch64_adjust_body_cost): Likewise.
1892
1893 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1894
1895         * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Only
1896         record issue information for operations that occur in the
1897         innermost loop.
1898
1899 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1900
1901         * config/aarch64/aarch64.c (aarch64_multiply_add_p): Add a vec_flags
1902         parameter.  Detect cases in which an Advanced SIMD MLA would almost
1903         certainly require a MOV.
1904         (aarch64_count_ops): Update accordingly.
1905
1906 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1907
1908         * config/aarch64/aarch64.c (aarch64_is_store_elt_extraction): New
1909         function, split out from...
1910         (aarch64_detect_vector_stmt_subtype): ...here.
1911         (aarch64_add_stmt_cost): Treat extracting element 0 as free.
1912
1913 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1914
1915         * config/aarch64/aarch64-protos.h (sve_vec_cost):
1916         Add gather_load_x32_cost and gather_load_x64_cost.
1917         * config/aarch64/aarch64.c (generic_sve_vector_cost)
1918         (a64fx_sve_vector_cost, neoversev1_sve_vector_cost): Update
1919         accordingly, using the values given by the scalar_load * number
1920         of elements calculation that we used previously.
1921         (aarch64_detect_vector_stmt_subtype): Use the new fields.
1922
1923 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1924
1925         * config/aarch64/aarch64.c (aarch64_adjust_body_cost_sve): New
1926         function, split out from...
1927         (aarch64_adjust_body_cost): ...here.
1928
1929 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1930
1931         * config/aarch64/fractional-cost.h: New file.
1932         * config/aarch64/aarch64.c: Include <algorithm> (indirectly)
1933         and cost_fraction.h.
1934         (vec_cost_fraction): New typedef.
1935         (aarch64_detect_scalar_stmt_subtype): Use it for statement costs.
1936         (aarch64_detect_vector_stmt_subtype): Likewise.
1937         (aarch64_sve_adjust_stmt_cost, aarch64_adjust_stmt_cost): Likewise.
1938         (aarch64_estimate_min_cycles_per_iter): Use vec_cost_fraction
1939         for cycle counts.
1940         (aarch64_adjust_body_cost): Likewise.
1941         (aarch64_test_cost_fraction): New function.
1942         (aarch64_run_selftests): Call it.
1943
1944 2021-08-03  Richard Sandiford  <richard.sandiford@arm.com>
1945
1946         * config/aarch64/aarch64-protos.h (tune_params::sve_width): Turn
1947         into a bitmask.
1948         * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Update
1949         accordingly.
1950         (aarch64_estimated_poly_value): Likewise.  Use the least significant
1951         set bit for the minimum and likely values.  Use the most significant
1952         set bit for the maximum value.
1953
1954 2021-08-03  liuhongt  <hongtao.liu@intel.com>
1955
1956         * config/i386/sse.md (cond_<insn><mode>): New expander.
1957         (cond_mul<mode>): Ditto.
1958
1959 2021-08-03  Kewen Lin  <linkw@linux.ibm.com>
1960
1961         * tree-cfg.c (move_sese_region_to_fn): Fix typos on dloop.
1962
1963 2021-08-03  liuhongt  <hongtao.liu@intel.com>
1964
1965         * config/i386/sse.md (cond_<insn><mode>):New expander.
1966         (cond_mul<mode>): Ditto.
1967         (cond_div<mode>): Ditto.
1968
1969 2021-08-02  H.J. Lu  <hjl.tools@gmail.com>
1970
1971         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Also
1972         check stack_realign_needed for stack realignment.
1973         (ix86_legitimate_constant_p): Always allow CONST_WIDE_INT smaller
1974         than the largest integer supported by vector register.
1975         * config/i386/i386.h (MAX_MOVE_MAX): New.  Set to 64.
1976         (MOVE_MAX): Set to bytes of the largest integer supported by
1977         vector register.
1978         (STORE_MAX_PIECES): New.
1979
1980 2021-08-02  H.J. Lu  <hjl.tools@gmail.com>
1981
1982         * config/i386/i386-expand.c (ix86_expand_vector_move): Call
1983         ix86_gen_scratch_sse_rtx to get a scratch SSE register to copy
1984         data from one memory location to another.
1985
1986 2021-08-02  H.J. Lu  <hjl.tools@gmail.com>
1987
1988         PR middle-end/90773
1989         * config/i386/i386.c (TARGET_GEN_MEMSET_SCRATCH_RTX): New.
1990
1991 2021-08-02  Aldy Hernandez  <aldyh@redhat.com>
1992
1993         PR tree-optimization/101724
1994         * params.opt: Remove --param=threader-iterative.
1995         * tree-ssa-threadbackward.c (pass_thread_jumps::execute): Remove
1996         iterative mode.
1997
1998 2021-08-02  Tom de Vries  <tdevries@suse.de>
1999
2000         PR middle-end/101665
2001         * doc/extend.texi (nonnull attribute): Improve documentation.
2002
2003 2021-08-02  Andrew Pinski  <apinski@marvell.com>
2004
2005         PR rtl-optimization/101683
2006         * rtlanal.c (may_trap_p_1): Handle UNSIGNED_FIX.
2007
2008 2021-08-02  Roger Sayle  <roger@nextmovesoftware.com>
2009
2010         * tree-ssa-phiopt.c (cond_removal_in_builtin_zero_pattern):
2011         Renamed from cond_removal_in_popcount_clz_ctz_pattern.
2012         Add support for BSWAP, FFS, PARITY and CLRSB builtins.
2013         (tree_ssa_phiop_worker): Update call to function above.
2014
2015 2021-08-01  H.J. Lu  <hjl.tools@gmail.com>
2016
2017         PR target/78103
2018         * config/i386/i386.md (bsr_rex64_1_zext): New.
2019         (combine splitter for constant - clzll): Replace gen_bsr_rex64_1
2020         with gen_bsr_rex64_1_zext.
2021
2022 2021-07-31  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR target/78103
2025         * config/i386/i386.md (bsr_rex64_1, bsr_1, bsr_zext_1): New
2026         define_insn patterns.
2027         (*bsr_rex64_2, *bsr_2): New define_insn_and_split patterns.
2028         Add combine splitters for constant - clz.
2029         (clz<mode>2): Use a temporary pseudo for bsr result.
2030
2031 2021-07-30  Paul A. Clarke  <pc@us.ibm.com>
2032
2033         * config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
2034         _mm_floor_sd, _mm_floor_ss): New.
2035
2036 2021-07-30  Paul A. Clarke  <pc@us.ibm.com>
2037
2038         * config/rs6000/smmintrin.h (_mm_ceil_pd, _mm_ceil_ps,
2039         _mm_ceil_sd, _mm_ceil_ss): New.
2040
2041 2021-07-30  Paul A. Clarke  <pc@us.ibm.com>
2042
2043         * config/rs6000/smmintrin.h (_mm_blend_pd, _mm_blendv_pd,
2044         _mm_blend_ps, _mm_blendv_ps): New.
2045
2046 2021-07-30  Roger Sayle  <roger@nextmovesoftware.com>
2047             Uroš Bizjak  <ubizjak@gmail.com>
2048
2049         * config/i386/i386.md (*dec_cmov<mode>): New define_insn_and_split
2050         to generate a conditional move using the carry flag after sub $1.
2051         (peephole2): Eliminate a register-to-register move by inverting
2052         the condition of a conditional move.
2053
2054 2021-07-30  Hans-Peter Nilsson  <hp@bitrange.com>
2055
2056         * config/mmix/mmix.md ("call", "call_value", "*call_real")
2057         ("*call_value_real"): Don't generate rtx mentioning the generic
2058         operands 1 and 2 to "call", and similarly for "call_value".
2059         * config/mmix/mmix.c (mmix_print_operand_punct_valid_p)
2060         (mmix_print_operand): Use '!' instead of 'p'.
2061
2062 2021-07-30  Hans-Peter Nilsson  <hp@bitrange.com>
2063
2064         * doc/md.texi (call): Correct information about operand 2.
2065         * config/mmix/mmix.md ("call", "call_value"): Remove fixed FIXMEs.
2066
2067 2021-07-30  Andrew MacLeod  <amacleod@redhat.com>
2068
2069         * range-op.cc (operator_trunc_mod::wi_fold): Fold constants.
2070
2071 2021-07-30  Andrew MacLeod  <amacleod@redhat.com>
2072
2073         * range-op.cc (operator_div::wi_fold): Return UNDEFINED for [0, 0] divisor.
2074
2075 2021-07-30  Andrew MacLeod  <amacleod@redhat.com>
2076
2077         * gimple-range-cache.cc (*::set_bb_range): Change const basic_block to
2078         const_basic_block..
2079         (*::get_bb_range): Ditto.
2080         (*::bb_range_p): Ditto.
2081         * gimple-range-cache.h: Change prototypes.
2082
2083 2021-07-30  H.J. Lu  <hjl.tools@gmail.com>
2084
2085         PR middle-end/90773
2086         * builtins.c (builtin_memcpy_read_str): Change the mode argument
2087         from scalar_int_mode to fixed_size_mode.
2088         (builtin_strncpy_read_str): Likewise.
2089         (gen_memset_value_from_prev): New function.
2090         (builtin_memset_read_str): Change the mode argument from
2091         scalar_int_mode to fixed_size_mode.  Use gen_memset_value_from_prev
2092         and support CONST_VECTOR.
2093         (builtin_memset_gen_str): Likewise.
2094         (try_store_by_multiple_pieces): Use by_pieces_constfn to declare
2095         constfun.
2096         * builtins.h (builtin_strncpy_read_str): Replace scalar_int_mode
2097         with fixed_size_mode.
2098         (builtin_memset_read_str): Likewise.
2099         * expr.c (widest_int_mode_for_size): Renamed to ...
2100         (widest_fixed_size_mode_for_size): Add a bool argument to
2101         indicate if QI vector mode can be used.
2102         (by_pieces_ninsns): Call widest_fixed_size_mode_for_size
2103         instead of widest_int_mode_for_size.
2104         (pieces_addr::adjust): Change the mode argument from
2105         scalar_int_mode to fixed_size_mode.
2106         (op_by_pieces_d): Make m_len read-only.  Add a bool member,
2107         m_qi_vector_mode, to indicate that QI vector mode can be used.
2108         (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
2109         initialize m_qi_vector_mode.  Call widest_fixed_size_mode_for_size
2110         instead of widest_int_mode_for_size.
2111         (op_by_pieces_d::get_usable_mode): Change the mode argument from
2112         scalar_int_mode to fixed_size_mode.  Call
2113         widest_fixed_size_mode_for_size instead of
2114         widest_int_mode_for_size.
2115         (op_by_pieces_d::smallest_fixed_size_mode_for_size): New member
2116         function to return the smallest integer or QI vector mode.
2117         (op_by_pieces_d::run): Call widest_fixed_size_mode_for_size
2118         instead of widest_int_mode_for_size.  Call
2119         smallest_fixed_size_mode_for_size instead of
2120         smallest_int_mode_for_size.
2121         (store_by_pieces_d::store_by_pieces_d): Add a bool argument to
2122         indicate that QI vector mode can be used and pass it to
2123         op_by_pieces_d::op_by_pieces_d.
2124         (can_store_by_pieces): Call widest_fixed_size_mode_for_size
2125         instead of widest_int_mode_for_size.  Pass memsetp to
2126         widest_fixed_size_mode_for_size to support QI vector mode.
2127         Allow all CONST_VECTORs for memset if vec_duplicate is supported.
2128         (store_by_pieces): Pass memsetp to
2129         store_by_pieces_d::store_by_pieces_d.
2130         (clear_by_pieces_1): Removed.
2131         (clear_by_pieces): Replace clear_by_pieces_1 with
2132         builtin_memset_read_str and pass true to store_by_pieces_d to
2133         support vector mode broadcast.
2134         (string_cst_read_str): Change the mode argument from
2135         scalar_int_mode to fixed_size_mode.
2136         * expr.h (by_pieces_constfn): Change scalar_int_mode to
2137         fixed_size_mode.
2138         (by_pieces_prev): Likewise.
2139         * rtl.h (lowpart_subreg_regno): New.
2140         * rtlanal.c (lowpart_subreg_regno): New.  A wrapper around
2141         simplify_subreg_regno.
2142         * target.def (gen_memset_scratch_rtx): New hook.
2143         * doc/tm.texi.in: Add TARGET_GEN_MEMSET_SCRATCH_RTX.
2144         * doc/tm.texi: Regenerated.
2145
2146 2021-07-30  Xi Ruoyao  <xry111@mengyan1223.wang>
2147
2148         PR target/94780
2149         * config/mips/mips.c (mips_atomic_assign_expand_fenv): Use
2150           TARGET_EXPR instead of MODIFY_EXPR.
2151
2152 2021-07-30  Xi Ruoyao  <xry111@mengyan1223.wang>
2153
2154         PR target/101132
2155         * config/mips/mips-protos.h (mips_expand_vec_cmp_expr): Declare.
2156         * config/mips/mips.c (mips_expand_vec_cmp_expr): New function.
2157         * config/mips/mips-msa.md (vec_cmp<MSA:mode><mode_i>): New
2158           expander.
2159           (vec_cmpu<IMSA:mode><mode_i>): New expander.
2160
2161 2021-07-30  H.J. Lu  <hjl.tools@gmail.com>
2162
2163         PR target/101685
2164         * config/i386/i386-options.c (ix86_option_override_internal):
2165         Don't enable LZCNT/POPCNT if they have been disabled explicitly.
2166
2167 2021-07-30  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
2168
2169         PR target/66791
2170         * config/arm/arm_neon.h (vld1_p64): Replace call to builtin by
2171         explicitly dereferencing __a.
2172         (vld1_s64): Likewise.
2173         (vld1_u64): Likewise.
2174         * config/arm/arm_neon_builtins.def (vld1): Remove entry for di
2175         and change to VAR13.
2176
2177 2021-07-30  Aldy Hernandez  <aldyh@redhat.com>
2178
2179         * gimple-loop-versioning.cc (lv_dom_walker::lv_dom_walker): Remove
2180         use of m_range_analyzer.
2181         (loop_versioning::lv_dom_walker::before_dom_children): Same.
2182         (loop_versioning::lv_dom_walker::after_dom_children): Remove.
2183         (loop_versioning::prune_loop_conditions): Replace vr_values use
2184         with range_query interface.
2185         (pass_loop_versioning::execute): Use ranger.
2186
2187 2021-07-30  Xi Ruoyao  <xry111@mengyan1223.wang>
2188
2189         PR ipa/101396
2190         * ipa-devirt.c (ipa_odr_read_section): Compare the precision of
2191           enum values, and emit a warning if they mismatch.
2192
2193 2021-07-30  Kewen Lin  <linkw@linux.ibm.com>
2194
2195         * cfgloop.h (as_const): New function.
2196         (class loop_iterator): Rename to ...
2197         (class loops_list): ... this.
2198         (loop_iterator::next): Rename to ...
2199         (loops_list::Iter::fill_curr_loop): ... this and adjust.
2200         (loop_iterator::loop_iterator): Rename to ...
2201         (loops_list::loops_list): ... this and adjust.
2202         (loops_list::Iter): New class.
2203         (loops_list::iterator): New type.
2204         (loops_list::const_iterator): New type.
2205         (loops_list::begin): New function.
2206         (loops_list::end): Likewise.
2207         (loops_list::begin const): Likewise.
2208         (loops_list::end const): Likewise.
2209         (FOR_EACH_LOOP): Remove.
2210         (FOR_EACH_LOOP_FN): Remove.
2211         * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with range-based
2212         for loop with loops_list instance.
2213         (sort_sibling_loops): Likewise.
2214         (disambiguate_loops_with_multiple_latches): Likewise.
2215         (verify_loop_structure): Likewise.
2216         * cfgloopmanip.c (create_preheaders): Likewise.
2217         (force_single_succ_latches): Likewise.
2218         * config/aarch64/falkor-tag-collision-avoidance.c
2219         (execute_tag_collision_avoidance): Likewise.
2220         * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise.
2221         * config/s390/s390.c (s390_adjust_loops): Likewise.
2222         * doc/loop.texi: Likewise.
2223         * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise.
2224         * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
2225         * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): Likewise.
2226         (loop_versioning::make_versioning_decisions): Likewise.
2227         * gimple-ssa-split-paths.c (split_paths): Likewise.
2228         * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): Likewise.
2229         * graphite.c (canonicalize_loop_form): Likewise.
2230         (graphite_transform_loops): Likewise.
2231         * ipa-fnsummary.c (analyze_function_body): Likewise.
2232         * ipa-pure-const.c (analyze_function): Likewise.
2233         * loop-doloop.c (doloop_optimize_loops): Likewise.
2234         * loop-init.c (loop_optimizer_finalize): Likewise.
2235         (fix_loop_structure): Likewise.
2236         * loop-invariant.c (calculate_loop_reg_pressure): Likewise.
2237         (move_loop_invariants): Likewise.
2238         * loop-unroll.c (decide_unrolling): Likewise.
2239         (unroll_loops): Likewise.
2240         * modulo-sched.c (sms_schedule): Likewise.
2241         * predict.c (predict_loops): Likewise.
2242         (pass_profile::execute): Likewise.
2243         * profile.c (branch_prob): Likewise.
2244         * sel-sched-ir.c (sel_finish_pipelining): Likewise.
2245         (sel_find_rgns): Likewise.
2246         * tree-cfg.c (replace_loop_annotate): Likewise.
2247         (replace_uses_by): Likewise.
2248         (move_sese_region_to_fn): Likewise.
2249         * tree-if-conv.c (pass_if_conversion::execute): Likewise.
2250         * tree-loop-distribution.c (loop_distribution::execute): Likewise.
2251         * tree-parloops.c (parallelize_loops): Likewise.
2252         * tree-predcom.c (tree_predictive_commoning): Likewise.
2253         * tree-scalar-evolution.c (scev_initialize): Likewise.
2254         (scev_reset): Likewise.
2255         * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
2256         * tree-ssa-live.c (remove_unused_locals): Likewise.
2257         * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
2258         * tree-ssa-loop-im.c (analyze_memory_references): Likewise.
2259         (tree_ssa_lim_initialize): Likewise.
2260         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Likewise.
2261         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise.
2262         * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
2263         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise.
2264         (free_numbers_of_iterations_estimates): Likewise.
2265         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2266         * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise.
2267         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise.
2268         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
2269         (pass_scev_cprop::execute): Likewise.
2270         * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
2271         * tree-ssa-sccvn.c (do_rpo_vn): Likewise.
2272         * tree-ssa-threadupdate.c
2273         (jump_thread_path_registry::thread_through_all_blocks): Likewise.
2274         * tree-vectorizer.c (vectorize_loops): Likewise.
2275         * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
2276
2277 2021-07-29  Hans-Peter Nilsson  <hp@bitrange.com>
2278
2279         * config/mmix/mmix.c (mmix_function_arg_1): Avoid
2280         generating a VOIDmode register for e.g the
2281         function_arg_info::end_marker.
2282
2283 2021-07-29  Jeff Law  <jeffreyalaw@gmail.com>
2284
2285         * config/h8300/h8300-modes.def: Add CCZ, CCV and CCC, drop CCZNV.
2286         * config/h8300/h8300.md (H8cc mode iterator): Add CCZ.
2287         (cc mode_attr): Similarly.
2288         (ccz subst_attr): Similarly.
2289         * config/h8300/jumpcall.md: Add new patterns for branch-on-bit.
2290         * config/h8300/testcompare.md: Remove various cc0 based patterns
2291         that had been commented out.  Add pattern to set CCZ from a bit
2292         test.
2293
2294 2021-07-29  Thomas Schwinge  <thomas@codesourcery.com>
2295             Julian Brown  <julian@codesourcery.com>
2296             Kwok Cheung Yeung  <kcy@codesourcery.com>
2297
2298         * omp-offload.c (oacc_loop_xform_head_tail, oacc_loop_process):
2299         'update_stmt' after modification.
2300         (pass_oacc_loop_designation): New function, extracted out of...
2301         (pass_oacc_device_lower): ... this.
2302         (pass_data_oacc_loop_designation, pass_oacc_loop_designation)
2303         (make_pass_oacc_loop_designation): New
2304         * passes.def: Add it.
2305         * tree-parloops.c (create_parallel_loop): Adjust.
2306         * tree-pass.h (make_pass_oacc_loop_designation): New.
2307
2308 2021-07-29  Aldy Hernandez  <aldyh@redhat.com>
2309
2310         * flag-types.h (enum threader_mode): New.
2311         * params.opt: Add entry for --param=threader-mode.
2312         * tree-ssa-threadbackward.c (THREADER_ITERATIVE_MODE): New.
2313         (class back_threader): New.
2314         (back_threader::back_threader): New.
2315         (back_threader::~back_threader): New.
2316         (back_threader::maybe_register_path): New.
2317         (back_threader::find_taken_edge): New.
2318         (back_threader::find_taken_edge_switch): New.
2319         (back_threader::find_taken_edge_cond): New.
2320         (back_threader::resolve_def): New.
2321         (back_threader::resolve_phi): New.
2322         (back_threader::find_paths_to_names): New.
2323         (back_threader::find_paths): New.
2324         (dump_path): New.
2325         (debug): New.
2326         (thread_jumps::find_jump_threads_backwards): Call ranger threader.
2327         (thread_jumps::find_jump_threads_backwards_with_ranger): New.
2328         (pass_thread_jumps::execute): Abstract out code...
2329         (try_thread_blocks): ...here.
2330         * tree-ssa-threadedge.c (jump_threader::thread_outgoing_edges):
2331         Abstract out threading candidate code to...
2332         (single_succ_to_potentially_threadable_block): ...here.
2333         * tree-ssa-threadedge.h (single_succ_to_potentially_threadable_block):
2334         New.
2335         * tree-ssa-threadupdate.c (register_jump_thread): Return boolean.
2336         * tree-ssa-threadupdate.h (class jump_thread_path_registry):
2337         Return bool from register_jump_thread.
2338
2339 2021-07-29  Andreas Krebbel  <krebbel@linux.ibm.com>
2340
2341         * target.def: in0 and in1 do not need to be registers.
2342         * doc/tm.texi: Regenerate.
2343
2344 2021-07-29  liuhongt  <hongtao.liu@intel.com>
2345
2346         PR target/39821
2347         * config/i386/i386.c (ix86_widen_mult_cost): New function.
2348         (ix86_add_stmt_cost): Use ix86_widen_mult_cost for
2349         WIDEN_MULT_EXPR.
2350
2351 2021-07-29  Jiufu Guo  <guojiufu@linux.ibm.com>
2352
2353         PR target/61837
2354         * config/rs6000/rs6000.c (TARGET_PREFERRED_DOLOOP_MODE): New hook.
2355         (rs6000_preferred_doloop_mode): New hook.
2356         * doc/tm.texi: Regenerate.
2357         * doc/tm.texi.in: Add hook preferred_doloop_mode.
2358         * target.def (preferred_doloop_mode): New hook.
2359         * targhooks.c (default_preferred_doloop_mode): New hook.
2360         * targhooks.h (default_preferred_doloop_mode): New hook.
2361         * tree-ssa-loop-ivopts.c (compute_doloop_base_on_mode): New function.
2362         (add_iv_candidate_for_doloop): Call targetm.preferred_doloop_mode
2363         and compute_doloop_base_on_mode.
2364
2365 2021-07-28  Martin Sebor  <msebor@redhat.com>
2366
2367         PR middle-end/101494
2368         * tree-ssa-uninit.c (maybe_warn_operand): Correct object offset
2369         and size computation.
2370
2371 2021-07-28  Martin Sebor  <msebor@redhat.com>
2372
2373         PR middle-end/101601
2374         * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Remove
2375         a pointless test.
2376         Handle pointers to functions.
2377
2378 2021-07-28  Martin Sebor  <msebor@redhat.com>
2379
2380         * Makefile.in (OBJS): Add gimple-ssa-warn-access.o and pointer-query.o.
2381         * attribs.h (fndecl_dealloc_argno): Move fndecl_dealloc_argno to tree.h.
2382         * builtins.c (compute_objsize_r): Move to pointer-query.cc.
2383         (access_ref::access_ref): Same.
2384         (access_ref::phi): Same.
2385         (access_ref::get_ref): Same.
2386         (access_ref::size_remaining): Same.
2387         (access_ref::offset_in_range): Same.
2388         (access_ref::add_offset): Same.
2389         (access_ref::inform_access): Same.
2390         (ssa_name_limit_t::visit_phi): Same.
2391         (ssa_name_limit_t::leave_phi): Same.
2392         (ssa_name_limit_t::next): Same.
2393         (ssa_name_limit_t::next_phi): Same.
2394         (ssa_name_limit_t::~ssa_name_limit_t): Same.
2395         (pointer_query::pointer_query): Same.
2396         (pointer_query::get_ref): Same.
2397         (pointer_query::put_ref): Same.
2398         (pointer_query::flush_cache): Same.
2399         (warn_string_no_nul): Move to gimple-ssa-warn-access.cc.
2400         (check_nul_terminated_array): Same.
2401         (unterminated_array): Same.
2402         (maybe_warn_for_bound): Same.
2403         (check_read_access): Same.
2404         (warn_for_access): Same.
2405         (get_size_range): Same.
2406         (check_access): Same.
2407         (gimple_call_alloc_size): Move to tree.c.
2408         (gimple_parm_array_size): Move to pointer-query.cc.
2409         (get_offset_range): Same.
2410         (gimple_call_return_array): Same.
2411         (handle_min_max_size): Same.
2412         (handle_array_ref): Same.
2413         (handle_mem_ref): Same.
2414         (compute_objsize): Same.
2415         (gimple_call_alloc_p): Move to gimple-ssa-warn-access.cc.
2416         (call_dealloc_argno): Same.
2417         (fndecl_dealloc_argno): Same.
2418         (new_delete_mismatch_p): Same.
2419         (matching_alloc_calls_p): Same.
2420         (warn_dealloc_offset): Same.
2421         (maybe_emit_free_warning): Same.
2422         * builtins.h (check_nul_terminated_array): Move to
2423         gimple-ssa-warn-access.h.
2424         (check_nul_terminated_array): Same.
2425         (warn_string_no_nul): Same.
2426         (unterminated_array): Same.
2427         (class ssa_name_limit_t): Same.
2428         (class pointer_query): Same.
2429         (struct access_ref): Same.
2430         (class range_query): Same.
2431         (struct access_data): Same.
2432         (gimple_call_alloc_size): Same.
2433         (gimple_parm_array_size): Same.
2434         (compute_objsize): Same.
2435         (class access_data): Same.
2436         (maybe_emit_free_warning): Same.
2437         * calls.c (initialize_argument_information): Remove call to
2438         maybe_emit_free_warning.
2439         * gimple-array-bounds.cc: Include new header..
2440         * gimple-fold.c: Same.
2441         * gimple-ssa-sprintf.c: Same.
2442         * gimple-ssa-warn-restrict.c: Same.
2443         * passes.def: Add pass_warn_access.
2444         * tree-pass.h (make_pass_warn_access): Declare.
2445         * tree-ssa-strlen.c: Include new headers.
2446         * tree.c (fndecl_dealloc_argno): Move here from builtins.c.
2447         * tree.h (fndecl_dealloc_argno): Move here from attribs.h.
2448         * gimple-ssa-warn-access.cc: New file.
2449         * gimple-ssa-warn-access.h: New file.
2450         * pointer-query.cc: New file.
2451         * pointer-query.h: New file.
2452
2453 2021-07-28  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR middle-end/101624
2456         * ubsan.c (maybe_instrument_pointer_overflow,
2457         instrument_object_size): Only test DECL_REGISTER on VAR_DECLs,
2458         PARM_DECLs or RESULT_DECLs.
2459         * sanopt.c (maybe_optimize_ubsan_ptr_ifn): Likewise.
2460
2461 2021-07-28  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR middle-end/101642
2464         * match.pd (bswap16 (x) == bswap16 (y)): Cast both operands
2465         to type of bswap16 for comparison.
2466         (bswap16 (x) == cst): Cast bswap16 operand to type of cst.
2467
2468 2021-07-28  Richard Biener  <rguenther@suse.de>
2469
2470         PR tree-optimization/101615
2471         * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
2472         at CTOR SLP graph entries.
2473
2474 2021-07-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2475
2476         * config/aarch64/aarch64.md (*extend<SHORT:mode><GPI:mode>2_aarch64):
2477         Add "r,w" alternative.
2478
2479 2021-07-28  H.J. Lu  <hjl.tools@gmail.com>
2480
2481         PR target/101456
2482         * config/i386/i386.c (ix86_avx_u128_mode_needed): Don't set
2483         AVX_U128_DIRTY when all bits are zero.
2484
2485 2021-07-28  Richard Biener  <rguenther@suse.de>
2486
2487         PR tree-optimization/101615
2488         * tree-vect-slp.c (vect_optimize_slp): Pre-existing vector
2489         external nodes cannot be permuted so make them perm_out 0.
2490
2491 2021-07-28  Andrew Stubbs  <ams@codesourcery.com>
2492
2493         PR target/100208
2494         * config.in: Regenerate.
2495         * config/gcn/gcn-hsa.h (A_FIJI): New define.
2496         (A_900): New define.
2497         (A_906): New define.
2498         (A_908): New define.
2499         (ASM_SPEC): Use A_FIJI, A_900, A_906 and A_908.
2500         * config/gcn/gcn.c (output_file_start): Adjust attributes according
2501         to the assembler capabilities.
2502         * config/gcn/mkoffload.c (main): Likewise.
2503         * configure: Regenerate.
2504         * configure.ac: Add tests for LLVM assembler attribute features.
2505
2506 2021-07-28  Andrew MacLeod  <amacleod@redhat.com>
2507
2508         * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Check for
2509         cond_false and cond_true on branches.
2510
2511 2021-07-28  Bin Cheng  <bin.cheng@linux.alibaba.com>
2512
2513         * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): use
2514         gcc_stablesort.
2515
2516 2021-07-28  Bin Cheng  <bin.cheng@linux.alibaba.com>
2517
2518         * alias.c (init_alias_analysis): Don't skip prologue/epilogue.
2519
2520 2021-07-28  Jakub Jelinek  <jakub@redhat.com>
2521
2522         PR target/101611
2523         * config/i386/sse.md (vashr<mode>3): Split into vashrv8di3 expander
2524         and vashrv4di3 expander, where the latter requires just TARGET_AVX2
2525         and has special !TARGET_AVX512VL expansion.
2526         (vashrv2di3<mask_name>): Rename to ...
2527         (vashrv2di3): ... this.  Change condition to TARGET_XOP || TARGET_AVX2
2528         and add special !TARGET_XOP && !TARGET_AVX512VL expansion.
2529
2530 2021-07-28  Martin Uecker  <muecker@gwdg.de>
2531
2532         * calls.c (maybe_warn_rdwr_sizes): Correct argument
2533         numbers in warning that were switched.
2534
2535 2021-07-28  Kewen Lin  <linkw@linux.ibm.com>
2536
2537         PR tree-optimization/101596
2538         * tree-vect-patterns.c (vect_recog_mulhs_pattern): Fix wrong check
2539         by using new_type's precision instead.
2540
2541 2021-07-28  liuhongt  <hongtao.liu@intel.com>
2542
2543         PR target/99881
2544         * config/i386/i386.h (processor_costs): Add new member
2545         integer_to_sse.
2546         * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
2547         i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
2548         geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
2549         bdver_cost, znver1_cost, znver2_cost, znver3_cost,
2550         btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
2551         nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
2552         generic_cost, core_cost): Initialize integer_to_sse same value
2553         as sse_op.
2554         (skylake_cost): Initialize integer_to_sse twice as much as sse_op.
2555         * config/i386/i386.c (ix86_builtin_vectorization_cost):
2556         Use integer_to_sse instead of sse_op to calculate the cost of
2557         vec_construct.
2558
2559 2021-07-27  Bill Schmidt  <wschmidt@linux.ibm.com>
2560
2561         * config/rs6000/rs6000-gen-builtins.c (write_ovld_static_init): New
2562         function.
2563         (write_init_file): Call write_ovld_static_init.
2564
2565 2021-07-27  Bill Schmidt  <wschmidt@linux.ibm.com>
2566
2567         * config/rs6000/rs6000-gen-builtins.c (write_bif_static_init): New
2568         function.
2569         (write_init_file): Call write_bif_static_init.
2570
2571 2021-07-27  Bill Schmidt  <wschmidt@linux.ibm.com>
2572
2573         * config/rs6000/rs6000-gen-builtins.c (typemap): New struct.
2574         (TYPE_MAP_SIZE): New macro.
2575         (type_map): New initialized variable.
2576         (typemap_cmp): New function.
2577         (write_type_node): Likewise.
2578         (write_fntype_init): Implement.
2579
2580 2021-07-27  Martin Sebor  <msebor@redhat.com>
2581
2582         PR tree-optimization/101584
2583         * tree-ssa-uninit.c (builtin_call_nomodifying_p): New function.
2584         (check_defs): Call it.
2585
2586 2021-07-27  Aldy Hernandez  <aldyh@redhat.com>
2587
2588         * tree-ssa-dom.c (dom_jump_threader_simplifier):
2589         Put avail_exprs_stack in the class, instead of passing it to
2590         jump_threader_simplifier.
2591         (dom_jump_threader_simplifier::simplify): Add state argument.
2592         (dom_opt_dom_walker): Add state.
2593         (pass_dominator::execute): Pass state to threader.
2594         (dom_opt_dom_walker::before_dom_children): Use state.
2595         * tree-ssa-threadedge.c (jump_threader::jump_threader): Replace
2596         arguments by state.
2597         (jump_threader::record_temporary_equivalences_from_phis):
2598         Register equivalences through the state variable.
2599         (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
2600         Record ranges in a statement through the state variable.
2601         (jump_threader::simplify_control_stmt_condition): Pass state to
2602         simplify.
2603         (jump_threader::simplify_control_stmt_condition_1): Same.
2604         (jump_threader::thread_around_empty_blocks): Remove obsolete
2605         comment.
2606         (jump_threader::thread_through_normal_block): Record equivalences
2607         on edge through the state variable.
2608         (jump_threader::thread_across_edge): Abstract state pushing.
2609         (jt_state::jt_state): New.
2610         (jt_state::push): New.
2611         (jt_state::pop): New.
2612         (jt_state::register_equiv): New.
2613         (jt_state::record_ranges_from_stmt): New.
2614         (jt_state::register_equivs_on_edge): New.
2615         (jump_threader_simplifier::jump_threader_simplifier): Move from
2616         header.
2617         (jump_threader_simplifier::simplify): Add state argument.
2618         * tree-ssa-threadedge.h (class jt_state): New.
2619         (class jump_threader): Add state to constructor.
2620         (class jump_threader_simplifier): Add state to simplify.  Remove
2621         avail_exprs_stack from class.
2622         * tree-vrp.c (vrp_jump_threader_simplifier::simplify): Add state
2623         argument.
2624         (vrp_jump_threader::vrp_jump_threader): Add state.
2625         (vrp_jump_threader::~vrp_jump_threader): Cleanup state.
2626
2627 2021-07-27  Aldy Hernandez  <aldyh@redhat.com>
2628
2629         * Makefile.in (OBJS): Add gimple-range-path.o.
2630         * gimple-range-path.cc: New file.
2631         * gimple-range-path.h: New file.
2632
2633 2021-07-27  Jonathan Wright  <jonathan.wright@arm.com>
2634
2635         * config/aarch64/aarch64-simd.md: Push sign/zero-extension
2636         inside vec_duplicate for all patterns.
2637         * simplify-rtx.c (simplify_context::simplify_unary_operation_1):
2638         Push sign/zero-extension inside vec_duplicate.
2639
2640 2021-07-27  Richard Biener  <rguenther@suse.de>
2641
2642         PR tree-optimization/101573
2643         * tree-ssa-uninit.c (warn_uninit_phi_uses): New function
2644         looking at uninitialized PHI arg defs in some constrained cases.
2645         (warn_uninitialized_vars): Call it.
2646         (execute_early_warn_uninitialized): Calculate dominators.
2647
2648 2021-07-27  Richard Biener  <rguenther@suse.de>
2649
2650         PR tree-optimization/39821
2651         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): Use
2652         vector_stmt for widening arithmetic.
2653         (vectorizable_conversion): Adjust.
2654
2655 2021-07-27  Martin Jambor  <mjambor@suse.cz>
2656
2657         * cgraph.h (ipa_replace_map): New field force_load_ref.
2658         * ipa-prop.h (ipa_param_descriptor): Reduce precision of move_cost,
2659         aded new flag load_dereferenced, adjusted comments.
2660         (ipa_get_param_dereferenced): New function.
2661         (ipa_set_param_dereferenced): Likewise.
2662         * cgraphclones.c (cgraph_node::create_virtual_clone): Follow it.
2663         * ipa-cp.c: Include gimple.h.
2664         (ipcp_discover_new_direct_edges): Take into account dereferenced flag.
2665         (get_replacement_map): New parameter force_load_ref, set the
2666         appropriate flag in ipa_replace_map if set.
2667         (struct symbol_and_index_together): New type.
2668         (adjust_refs_in_act_callers): New function.
2669         (adjust_references_in_caller): Likewise.
2670         (create_specialized_node): When appropriate, call
2671         adjust_references_in_caller and force only load references.
2672         * ipa-prop.c (load_from_dereferenced_name): New function.
2673         (ipa_analyze_controlled_uses): Also detect loads from a
2674         dereference, harden testing of call statements.
2675         (ipa_write_node_info): Stream the dereferenced flag.
2676         (ipa_read_node_info): Likewise.
2677         (ipa_set_jf_constant): Also create refdesc when jump function
2678         references a variable.
2679         (cgraph_node_for_jfunc): Rename to symtab_node_for_jfunc, work
2680         also on references of variables and return a symtab_node.  Adjust
2681         all callers.
2682         (propagate_controlled_uses): Also remove references to VAR_DECLs.
2683
2684 2021-07-27  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR middle-end/101586
2687         * gimple-fold.c (clear_padding_type): Ignore FIELD_DECLs with byte
2688         positions above or equal to sz except for diagnostics of flexible
2689         array members.
2690
2691 2021-07-26  Andrew MacLeod  <amacleod@redhat.com>
2692
2693         PR tree-optimization/78888
2694         * gimple-range-fold.cc (get_letter_range): New.
2695         (fold_using_range::range_of_builtin_call): Call get_letter_range.
2696
2697 2021-07-26  Andrew MacLeod  <amacleod@redhat.com>
2698
2699         PR tree-optimization/78888
2700         * gimple-range-fold.cc (fold_using_range::range_of_builtin_call): Add cases
2701         for CFN_BUILT_IN_TOUPPER and CFN_BUILT_IN_TOLOWER.
2702
2703 2021-07-26  Roger Sayle  <roger@nextmovesoftware.com>
2704             Marc Glisse  <marc.glisse@inria.fr>
2705
2706         * match.pd (rotate): Simplify equality/inequality of rotations.
2707         (bswap): Simplify equality/inequality tests of byte swapping.
2708
2709 2021-07-26  Aldy Hernandez  <aldyh@redhat.com>
2710
2711         * range-op.cc (operator_bitwise_xor::op1_op2_relation_effect):
2712         New.
2713
2714 2021-07-26  Aldy Hernandez  <aldyh@redhat.com>
2715
2716         * range-op.cc (operator_lshift::fold_range): Pass rel to
2717         base class fold_range.
2718         (operator_rshift::fold_range): Same.
2719
2720 2021-07-26  Ashimida  <ashimida@linux.alibaba.com>
2721
2722         PR driver/101447
2723         * toplev.h (min_align_loops_log): Remove declaration.
2724         (min_align_jumps_log, min_align_labels_log): Likewise.
2725         (min_align_functions_log): Likewise.
2726
2727 2021-07-26  Aldy Hernandez  <aldyh@redhat.com>
2728
2729         * tree-vrp.c (vrp_simplify_cond_using_ranges): Rename vr_values
2730         with range_query.
2731         (execute_vrp): Abstract out simplification of conditionals...
2732         (simplify_casted_conds): ...here.
2733
2734 2021-07-26  Aldy Hernandez  <aldyh@redhat.com>
2735
2736         * gimple-array-bounds.cc (array_bounds_checker::get_value_range):
2737         Add gimple argument.
2738         (array_bounds_checker::check_array_ref): Same.
2739         (array_bounds_checker::check_addr_expr): Same.
2740         (array_bounds_checker::check_array_bounds): Pass statement to
2741         check_array_bounds and check_addr_expr.
2742         * gimple-array-bounds.h (check_array_bounds): Add gimple argument.
2743         (check_addr_expr): Same.
2744         (get_value_range): Same.
2745
2746 2021-07-26  Tamar Christina  <tamar.christina@arm.com>
2747
2748         * config/aarch64/aarch64-simd-builtins.def (sdot, udot): Rename to..
2749         (sdot_prod, udot_prod): ... This.
2750         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>): Merged
2751         into...
2752         (<sur>dot_prod<vsi2qi>): ... this.
2753         (aarch64_<sur>dot_lane<vsi2qi>, aarch64_<sur>dot_laneq<vsi2qi>):
2754         Change operands order.
2755         (<sur>sadv16qi): Use new operands order.
2756         * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32,
2757         vdotq_s32): Use new RTL ordering.
2758
2759 2021-07-26  Tamar Christina  <tamar.christina@arm.com>
2760
2761         * config/aarch64/aarch64-builtins.c (TYPES_TERNOP_SUSS,
2762         aarch64_types_ternop_suss_qualifiers): New.
2763         * config/aarch64/aarch64-simd-builtins.def (usdot_prod): Use it.
2764         * config/aarch64/aarch64-simd.md (usdot_prod<vsi2qi>): Re-organize RTL.
2765         * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Use it.
2766
2767 2021-07-23  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR rtl-optimization/101562
2770         * expmed.c (store_integral_bit_field): Only use movstrict_optab
2771         if the operand isn't paradoxical.
2772
2773 2021-07-23  Aldy Hernandez  <aldyh@redhat.com>
2774
2775         * gimple-array-bounds.h (class array_bounds_checker): Change
2776         ranges type to range_query.
2777
2778 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2779
2780         * config/aarch64/arm_neon.h (vst1_s64_x2): Use
2781         __builtin_memcpy instead of constructing
2782         __builtin_aarch64_simd_oi one vector at a time.
2783         (vst1_u64_x2): Likewise.
2784         (vst1_f64_x2): Likewise.
2785         (vst1_s8_x2): Likewise.
2786         (vst1_p8_x2): Likewise.
2787         (vst1_s16_x2): Likewise.
2788         (vst1_p16_x2): Likewise.
2789         (vst1_s32_x2): Likewise.
2790         (vst1_u8_x2): Likewise.
2791         (vst1_u16_x2): Likewise.
2792         (vst1_u32_x2): Likewise.
2793         (vst1_f16_x2): Likewise.
2794         (vst1_f32_x2): Likewise.
2795         (vst1_p64_x2): Likewise.
2796         (vst1q_s8_x2): Likewise.
2797         (vst1q_p8_x2): Likewise.
2798         (vst1q_s16_x2): Likewise.
2799         (vst1q_p16_x2): Likewise.
2800         (vst1q_s32_x2): Likewise.
2801         (vst1q_s64_x2): Likewise.
2802         (vst1q_u8_x2): Likewise.
2803         (vst1q_u16_x2): Likewise.
2804         (vst1q_u32_x2): Likewise.
2805         (vst1q_u64_x2): Likewise.
2806         (vst1q_f16_x2): Likewise.
2807         (vst1q_f32_x2): Likewise.
2808         (vst1q_f64_x2): Likewise.
2809         (vst1q_p64_x2): Likewise.
2810
2811 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2812
2813         * config/aarch64/arm_neon.h (vst1_s64_x3): Use
2814         __builtin_memcpy instead of constructing
2815         __builtin_aarch64_simd_ci one vector at a time.
2816         (vst1_u64_x3): Likewise.
2817         (vst1_f64_x3): Likewise.
2818         (vst1_s8_x3): Likewise.
2819         (vst1_p8_x3): Likewise.
2820         (vst1_s16_x3): Likewise.
2821         (vst1_p16_x3): Likewise.
2822         (vst1_s32_x3): Likewise.
2823         (vst1_u8_x3): Likewise.
2824         (vst1_u16_x3): Likewise.
2825         (vst1_u32_x3): Likewise.
2826         (vst1_f16_x3): Likewise.
2827         (vst1_f32_x3): Likewise.
2828         (vst1_p64_x3): Likewise.
2829         (vst1q_s8_x3): Likewise.
2830         (vst1q_p8_x3): Likewise.
2831         (vst1q_s16_x3): Likewise.
2832         (vst1q_p16_x3): Likewise.
2833         (vst1q_s32_x3): Likewise.
2834         (vst1q_s64_x3): Likewise.
2835         (vst1q_u8_x3): Likewise.
2836         (vst1q_u16_x3): Likewise.
2837         (vst1q_u32_x3): Likewise.
2838         (vst1q_u64_x3): Likewise.
2839         (vst1q_f16_x3): Likewise.
2840         (vst1q_f32_x3): Likewise.
2841         (vst1q_f64_x3): Likewise.
2842         (vst1q_p64_x3): Likewise.
2843
2844 2021-07-23  H.J. Lu  <hjl.tools@gmail.com>
2845
2846         PR target/101504
2847         * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
2848         hard register when LRA is in progress.
2849
2850 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2851
2852         * config/aarch64/arm_neon.h (vst1_s8_x4): Use
2853         __builtin_memcpy instead of using a union.
2854         (vst1q_s8_x4): Likewise.
2855         (vst1_s16_x4): Likewise.
2856         (vst1q_s16_x4): Likewise.
2857         (vst1_s32_x4): Likewise.
2858         (vst1q_s32_x4): Likewise.
2859         (vst1_u8_x4): Likewise.
2860         (vst1q_u8_x4): Likewise.
2861         (vst1_u16_x4): Likewise.
2862         (vst1q_u16_x4): Likewise.
2863         (vst1_u32_x4): Likewise.
2864         (vst1q_u32_x4): Likewise.
2865         (vst1_f16_x4): Likewise.
2866         (vst1q_f16_x4): Likewise.
2867         (vst1_f32_x4): Likewise.
2868         (vst1q_f32_x4): Likewise.
2869         (vst1_p8_x4): Likewise.
2870         (vst1q_p8_x4): Likewise.
2871         (vst1_p16_x4): Likewise.
2872         (vst1q_p16_x4): Likewise.
2873         (vst1_s64_x4): Likewise.
2874         (vst1_u64_x4): Likewise.
2875         (vst1_p64_x4): Likewise.
2876         (vst1q_s64_x4): Likewise.
2877         (vst1q_u64_x4): Likewise.
2878         (vst1q_p64_x4): Likewise.
2879         (vst1_f64_x4): Likewise.
2880         (vst1q_f64_x4): Likewise.
2881
2882 2021-07-23  Jonathan Wrightt  <jonathan.wright@arm.com>
2883
2884         * config/aarch64/arm_neon.h (vst2_s64): Use __builtin_memcpy
2885         instead of constructing __builtin_aarch64_simd_oi one vector
2886         at a time.
2887         (vst2_u64): Likewise.
2888         (vst2_f64): Likewise.
2889         (vst2_s8): Likewise.
2890         (vst2_p8): Likewise.
2891         (vst2_s16): Likewise.
2892         (vst2_p16): Likewise.
2893         (vst2_s32): Likewise.
2894         (vst2_u8): Likewise.
2895         (vst2_u16): Likewise.
2896         (vst2_u32): Likewise.
2897         (vst2_f16): Likewise.
2898         (vst2_f32): Likewise.
2899         (vst2_p64): Likewise.
2900         (vst2q_s8): Likewise.
2901         (vst2q_p8): Likewise.
2902         (vst2q_s16): Likewise.
2903         (vst2q_p16): Likewise.
2904         (vst2q_s32): Likewise.
2905         (vst2q_s64): Likewise.
2906         (vst2q_u8): Likewise.
2907         (vst2q_u16): Likewise.
2908         (vst2q_u32): Likewise.
2909         (vst2q_u64): Likewise.
2910         (vst2q_f16): Likewise.
2911         (vst2q_f32): Likewise.
2912         (vst2q_f64): Likewise.
2913         (vst2q_p64): Likewise.
2914
2915 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2916
2917         * config/aarch64/arm_neon.h (vst3_s64): Use __builtin_memcpy
2918         instead of constructing __builtin_aarch64_simd_ci one vector
2919         at a time.
2920         (vst3_u64): Likewise.
2921         (vst3_f64): Likewise.
2922         (vst3_s8): Likewise.
2923         (vst3_p8): Likewise.
2924         (vst3_s16): Likewise.
2925         (vst3_p16): Likewise.
2926         (vst3_s32): Likewise.
2927         (vst3_u8): Likewise.
2928         (vst3_u16): Likewise.
2929         (vst3_u32): Likewise.
2930         (vst3_f16): Likewise.
2931         (vst3_f32): Likewise.
2932         (vst3_p64): Likewise.
2933         (vst3q_s8): Likewise.
2934         (vst3q_p8): Likewise.
2935         (vst3q_s16): Likewise.
2936         (vst3q_p16): Likewise.
2937         (vst3q_s32): Likewise.
2938         (vst3q_s64): Likewise.
2939         (vst3q_u8): Likewise.
2940         (vst3q_u16): Likewise.
2941         (vst3q_u32): Likewise.
2942         (vst3q_u64): Likewise.
2943         (vst3q_f16): Likewise.
2944         (vst3q_f32): Likewise.
2945         (vst3q_f64): Likewise.
2946         (vst3q_p64): Likewise.
2947
2948 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2949
2950         * config/aarch64/arm_neon.h (vst4_s64): Use __builtin_memcpy
2951         instead of constructing __builtin_aarch64_simd_xi one vector
2952         at a time.
2953         (vst4_u64): Likewise.
2954         (vst4_f64): Likewise.
2955         (vst4_s8): Likewise.
2956         (vst4_p8): Likewise.
2957         (vst4_s16): Likewise.
2958         (vst4_p16): Likewise.
2959         (vst4_s32): Likewise.
2960         (vst4_u8): Likewise.
2961         (vst4_u16): Likewise.
2962         (vst4_u32): Likewise.
2963         (vst4_f16): Likewise.
2964         (vst4_f32): Likewise.
2965         (vst4_p64): Likewise.
2966         (vst4q_s8): Likewise.
2967         (vst4q_p8): Likewise.
2968         (vst4q_s16): Likewise.
2969         (vst4q_p16): Likewise.
2970         (vst4q_s32): Likewise.
2971         (vst4q_s64): Likewise.
2972         (vst4q_u8): Likewise.
2973         (vst4q_u16): Likewise.
2974         (vst4q_u32): Likewise.
2975         (vst4q_u64): Likewise.
2976         (vst4q_f16): Likewise.
2977         (vst4q_f32): Likewise.
2978         (vst4q_f64): Likewise.
2979         (vst4q_p64): Likewise.
2980
2981 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2982
2983         * config/aarch64/arm_neon.h (vtbx4_s8): Use __builtin_memcpy
2984         instead of constructing __builtin_aarch64_simd_oi one vector
2985         at a time.
2986         (vtbx4_u8): Likewise.
2987         (vtbx4_p8): Likewise.
2988
2989 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
2990
2991         * config/aarch64/arm_neon.h (vtbl3_s8): Use __builtin_memcpy
2992         instead of constructing __builtin_aarch64_simd_oi one vector
2993         at a time.
2994         (vtbl3_u8): Likewise.
2995         (vtbl3_p8): Likewise.
2996         (vtbl4_s8): Likewise.
2997         (vtbl4_u8): Likewise.
2998         (vtbl4_p8): Likewise.
2999
3000 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
3001
3002         * config/aarch64/arm_neon.h (vqtbx2_s8): Use __builtin_memcpy
3003         instead of constructing __builtin_aarch64_simd_oi one vector
3004         at a time.
3005         (vqtbx2_u8): Likewise.
3006         (vqtbx2_p8): Likewise.
3007         (vqtbx2q_s8): Likewise.
3008         (vqtbx2q_u8): Likewise.
3009         (vqtbx2q_p8): Likewise.
3010         (vqtbx3_s8): Use __builtin_memcpy instead of constructing
3011         __builtin_aarch64_simd_ci one vector at a time.
3012         (vqtbx3_u8): Likewise.
3013         (vqtbx3_p8): Likewise.
3014         (vqtbx3q_s8): Likewise.
3015         (vqtbx3q_u8): Likewise.
3016         (vqtbx3q_p8): Likewise.
3017         (vqtbx4_s8): Use __builtin_memcpy instead of constructing
3018         __builtin_aarch64_simd_xi one vector at a time.
3019         (vqtbx4_u8): Likewise.
3020         (vqtbx4_p8): Likewise.
3021         (vqtbx4q_s8): Likewise.
3022         (vqtbx4q_u8): Likewise.
3023         (vqtbx4q_p8): Likewise.
3024
3025 2021-07-23  Jonathan Wright  <jonathan.wright@arm.com>
3026
3027         * config/aarch64/arm_neon.h (vqtbl2_s8): Use __builtin_memcpy
3028         instead of constructing __builtin_aarch64_simd_oi one vector
3029         at a time.
3030         (vqtbl2_u8): Likewise.
3031         (vqtbl2_p8): Likewise.
3032         (vqtbl2q_s8): Likewise.
3033         (vqtbl2q_u8): Likewise.
3034         (vqtbl2q_p8): Likewise.
3035         (vqtbl3_s8): Use __builtin_memcpy instead of constructing
3036         __builtin_aarch64_simd_ci one vector at a time.
3037         (vqtbl3_u8): Likewise.
3038         (vqtbl3_p8): Likewise.
3039         (vqtbl3q_s8): Likewise.
3040         (vqtbl3q_u8): Likewise.
3041         (vqtbl3q_p8): Likewise.
3042         (vqtbl4_s8): Use __builtin_memcpy instead of constructing
3043         __builtin_aarch64_simd_xi one vector at a time.
3044         (vqtbl4_u8): Likewise.
3045         (vqtbl4_p8): Likewise.
3046         (vqtbl4q_s8): Likewise.
3047         (vqtbl4q_u8): Likewise.
3048         (vqtbl4q_p8): Likewise.
3049
3050 2021-07-23  Haochen Gui  <guihaoc@gcc.gnu.org>
3051
3052         PR target/100952
3053         * config/rs6000/rs6000.md (cstore<mode>4): Fix wrong fall through.
3054
3055 2021-07-22  Andrew Pinski  <apinski@marvell.com>
3056
3057         PR tree-optimization/10153
3058         * tree-tailcall.c (create_tailcall_accumulator):
3059         Don't call fold_convert as the type should be correct already.
3060         (tree_optimize_tail_calls_1): Use build_{one,zero}_cst instead
3061         of integer_{one,zero}_node for the call of create_tailcall_accumulator.
3062
3063 2021-07-22  Aldy Hernandez  <aldyh@redhat.com>
3064
3065         * gimple-range-cache.cc (non_null_ref::adjust_range): Replace
3066         varying_p check for null/non-null check.
3067
3068 2021-07-22  Andrew MacLeod  <amacleod@redhat.com>
3069
3070         PR tree-optimization/101511
3071         * value-relation.cc (relation_oracle::query_relation): Check if ssa1
3072         is in ssa2's equiv set, and don't trap if so.
3073
3074 2021-07-22  Andrew MacLeod  <amacleod@redhat.com>
3075
3076         PR tree-optimization/101497
3077         * gimple-range-fold.cc (fold_using_range::range_of_cond_expr): Check
3078         for undefined.
3079
3080 2021-07-22  Andrew MacLeod  <amacleod@redhat.com>
3081
3082         PR tree-optimization/101496
3083         * vr-values.c (simplify_using_ranges::fold_cond): Call range_of_stmt
3084         first, then vrp_visit_cond_Stmt.
3085
3086 2021-07-22  liuhongt  <hongtao.liu@intel.com>
3087
3088         * config/i386/i386-expand.c
3089         (ix86_broadcast_from_integer_constant): Rename to ..
3090         (ix86_broadcast_from_constant): .. this, and extend it to
3091         handle float mode.
3092         (ix86_expand_vector_move): Extend to float mode.
3093         * config/i386/i386-features.c
3094         (replace_constant_pool_with_broadcast): Remove.
3095         (remove_partial_avx_dependency_gate): Ditto.
3096         (constant_pool_broadcast): Ditto.
3097         (class pass_constant_pool_broadcast): Ditto.
3098         (make_pass_constant_pool_broadcast): Ditto.
3099         (remove_partial_avx_dependency): Adjust gate.
3100         * config/i386/i386-passes.def: Remove pass_constant_pool_broadcast.
3101         * config/i386/i386-protos.h
3102         (make_pass_constant_pool_broadcast): Remove.
3103
3104 2021-07-22  liuhongt  <hongtao.liu@intel.com>
3105
3106         * config/i386/constraints.md (Wb): New constraint.
3107         (Ww): Ditto.
3108         * config/i386/i386.md (*ashlhi3_1): Extend to avx512 mask
3109         shift.
3110         (*ashlqi3_1): Ditto.
3111         (*<insn><mode>3_1): Split to ..
3112         (*ashr<mode>3_1): this, ...
3113         (*lshr<mode>3_1): and this, also extend this pattern to avx512
3114         mask registers.
3115         (*<insn><mode>3_1): Split to ..
3116         (*ashr<mode>3_1): this, ...
3117         (*lshrqi3_1): and this, also extend this pattern to avx512
3118         mask registers.
3119         (*lshrhi3_1): And this, also extend this pattern to avx512
3120         mask registers.
3121         * config/i386/sse.md (k<code><mode>): New define_split after
3122         it to convert generic shift pattern to mask shift ones.
3123
3124 2021-07-21  Thomas Schwinge  <thomas@codesourcery.com>
3125             Joseph Myers  <joseph@codesourcery.com>
3126             Cesar Philippidis  <cesar@codesourcery.com>
3127
3128         * tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
3129         * tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
3130         Handle it.
3131         * tree-pretty-print.c (dump_omp_clause): Likewise.
3132         * omp-general.c (oacc_verify_routine_clauses): Likewise.
3133         * gimplify.c (gimplify_scan_omp_clauses)
3134         (gimplify_adjust_omp_clauses): Likewise.
3135         * tree-nested.c (convert_nonlocal_omp_clauses)
3136         (convert_local_omp_clauses): Likewise.
3137         * omp-low.c (scan_sharing_clauses): Likewise.
3138         * omp-offload.c (execute_oacc_device_lower): Update.
3139
3140 2021-07-21  Martin Sebor  <msebor@redhat.com>
3141
3142         * tree-ssa-alias.c (walk_aliased_vdefs_1): Fix typos in a comment.
3143
3144 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3145
3146         * config/rs6000/rs6000-gen-builtins.c (write_init_bif_table):
3147         Implement.
3148
3149 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3150
3151         * config/rs6000/rs6000-gen-builtins.c (write_fntype): New
3152         callback function.
3153         (write_fntype_init): New stub function.
3154         (write_init_bif_table): Likewise.
3155         (write_init_ovld_table): New function.
3156         (write_init_file): Implement.
3157
3158 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3159
3160         * config/rs6000/rs6000-gen-builtins.c
3161         (write_autogenerated_header): New function.
3162         (write_decls): Likewise.
3163         (write_extern_fntype): New callback function.
3164         (write_header_file): Implement.
3165
3166 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3167
3168         * config/rs6000/rs6000-gen-builtins.c (write_defines_file):
3169         Implement.
3170
3171 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3172
3173         * config/rs6000/rs6000-gen-builtins.c (complete_vector_type): New
3174         function.
3175         (complete_base_type): Likewise.
3176         (construct_fntype_id): Likewise.
3177         (parse_bif_entry): Call contruct_fntype_id.
3178         (parse_ovld_entry): Likewise.
3179
3180 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3181
3182         * config/rs6000/rs6000-gen-builtins.c (ovld_stanza): New struct.
3183         (MAXOVLDSTANZAS): New macro.
3184         (ovld_stanzas): New variable.
3185         (curr_ovld_stanza): Likewise.
3186         (MAXOVLDS): New macro.
3187         (ovlddata): New struct.
3188         (ovlds): New variable.
3189         (curr_ovld): Likewise.
3190         (max_ovld_args): Likewise.
3191         (parse_ovld_entry): New function.
3192         (parse_ovld_stanza): Likewise.
3193         (parse_ovld): Implement.
3194
3195 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3196
3197         * config/rs6000/rs6000-gen-builtins.c (parse_bif_attrs):
3198         Implement.
3199
3200 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3201
3202         * config/rs6000/rs6000-gen-builtins.c (parse_args): New function.
3203         (parse_prototype): Implement.
3204
3205 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3206
3207         * config/rs6000/rs6000-gen-builtins.c (bif_stanza): New enum.
3208         (curr_bif_stanza): New variable.
3209         (stanza_entry): New struct.
3210         (stanza_map): New initialized variable.
3211         (enable_string): Likewise.
3212         (fnkinds): New enum.
3213         (typelist): New struct.
3214         (attrinfo): Likewise.
3215         (MAXRESTROPNDS): New macro.
3216         (prototype): New struct.
3217         (MAXBIFS): New macro.
3218         (bifdata): New struct.
3219         (bifs): New variable.
3220         (curr_bif): Likewise.
3221         (bif_order): Likewise.
3222         (bif_index): Likewise.
3223         (fatal): New function.
3224         (stanza_name_to_stanza): Likewise.
3225         (parse_bif_attrs): New stub function.
3226         (parse_prototype): Likewise.
3227         (parse_bif_entry): New function.
3228         (parse_bif_stanza): Likewise.
3229         (parse_bif): Implement.
3230         (set_bif_order): New function.
3231         (create_bif_order): Implement.
3232
3233 2021-07-21  Bill Schmidt  <wschmidt@linux.ibm.com>
3234
3235         * config/rs6000/rs6000-gen-builtins.c (rbtree.h): New #include.
3236         (num_bifs): New variable.
3237         (num_ovld_stanzas): Likewise.
3238         (num_ovlds): Likewise.
3239         (parse_codes): New enum.
3240         (bif_rbt): New variable.
3241         (ovld_rbt): Likewise.
3242         (fntype_rbt): Likewise.
3243         (bifo_rbt): Likewise.
3244         (parse_bif): New stub function.
3245         (create_bif_order): Likewise.
3246         (parse_ovld): Likewise.
3247         (write_header_file): Likewise.
3248         (write_init_file): Likewise.
3249         (write_defines_file): Likewise.
3250         (delete_output_files): New function.
3251         (main): Likewise.
3252
3253 2021-07-21  H.J. Lu  <hjl.tools@gmail.com>
3254
3255         PR target/101549
3256         * config/i386/i386-builtin.def: Remove OPTION_MASK_ISA_SSE4_2
3257         from CRC32 _builtin functions.
3258
3259 2021-07-21  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3260
3261         * coverage.c (build_gcov_info_var_registration): Mark the object placed
3262         in the linker set as referenced so that it does not get optimized away.
3263
3264 2021-07-21  Kito Cheng  <kito.cheng@sifive.com>
3265
3266         Revert:
3267         2021-07-20  Kito Cheng  <kito.cheng@sifive.com>
3268
3269         * config.gcc (riscv*-*-*): Detect which python is available.
3270
3271 2021-07-21  Jakub Jelinek  <jakub@redhat.com>
3272
3273         PR middle-end/101535
3274         * gimplify.c (omp_check_private): Properly skip ORT_TARGET_DATA
3275         contexts in which decl isn't privatized and for ORT_TARGET return
3276         false if decl is mapped.
3277
3278 2021-07-21  Richard Sandiford  <richard.sandiford@arm.com>
3279
3280         * gimple-loop-jam.c: Include tree-ssa-sccvn.h.
3281         (tree_loop_unroll_and_jam): Run value-numbering on a loop that
3282         has been successfully unrolled.
3283
3284 2021-07-21  Richard Sandiford  <richard.sandiford@arm.com>
3285
3286         * tree-ssa-loop-manip.c (determine_exit_conditions): Return a null
3287         exit condition if no tail loop is needed, and if the original exit
3288         condition should therefore be kept as-is.
3289         (tree_transform_and_unroll_loop): Handle that case here too.
3290
3291 2021-07-21  Kewen Lin  <linkw@linux.ibm.com>
3292
3293         * tree-data-ref.c (free_dependence_relations): Adjust to pass vec
3294         by reference.
3295         (free_data_refs): Likewise.
3296         * tree-data-ref.h (free_dependence_relations): Likewise.
3297         (free_data_refs): Likewise.
3298         * tree-predcom.c (struct chain): Use auto_vec instead of vec for
3299         members.
3300         (struct component): Likewise.
3301         (pcom_worker::pcom_worker): Adjust for auto_vec and renaming changes.
3302         (pcom_worker::~pcom_worker): Likewise.
3303         (pcom_worker::release_chain): Adjust as auto_vec changes.
3304         (pcom_worker::loop): Rename to ...
3305         (pcom_worker::m_loop): ... this.
3306         (pcom_worker::datarefs): Rename to ...
3307         (pcom_worker::m_datarefs): ... this.  Use auto_vec instead of vec.
3308         (pcom_worker::dependences): Rename to ...
3309         (pcom_worker::m_dependences): ... this.  Use auto_vec instead of vec.
3310         (pcom_worker::chains): Rename to ...
3311         (pcom_worker::m_chains): ... this.  Use auto_vec instead of vec.
3312         (pcom_worker::looparound_phis): Rename to ...
3313         (pcom_worker::m_looparound_phis): ... this.  Use auto_vec instead of
3314         vec.
3315         (pcom_worker::cache): Rename to ...
3316         (pcom_worker::m_cache): ... this.  Use auto_vec instead of vec.
3317         (pcom_worker::release_chain): Adjust for auto_vec changes.
3318         (pcom_worker::release_chains): Adjust for auto_vec and renaming
3319         changes.
3320         (release_component): Remove.
3321         (release_components): Adjust for release_component removal.
3322         (component_of): Adjust to use vec.
3323         (merge_comps): Likewise.
3324         (pcom_worker::aff_combination_dr_offset): Adjust for renaming changes.
3325         (pcom_worker::determine_offset): Likewise.
3326         (class comp_ptrs): Remove.
3327         (pcom_worker::split_data_refs_to_components): Adjust for renaming
3328         changes, for comp_ptrs removal with auto_vec.
3329         (pcom_worker::suitable_component_p): Adjust for renaming changes.
3330         (pcom_worker::filter_suitable_components): Adjust for release_component
3331         removal.
3332         (pcom_worker::valid_initializer_p): Adjust for renaming changes.
3333         (pcom_worker::find_looparound_phi): Likewise.
3334         (pcom_worker::add_looparound_copies): Likewise.
3335         (pcom_worker::determine_roots_comp): Likewise.
3336         (pcom_worker::single_nonlooparound_use): Likewise.
3337         (pcom_worker::execute_pred_commoning_chain): Likewise.
3338         (pcom_worker::execute_pred_commoning): Likewise.
3339         (pcom_worker::try_combine_chains): Likewise.
3340         (pcom_worker::prepare_initializers_chain): Likewise.
3341         (pcom_worker::prepare_initializers): Likewise.
3342         (pcom_worker::prepare_finalizers_chain): Likewise.
3343         (pcom_worker::prepare_finalizers): Likewise.
3344         (pcom_worker::tree_predictive_commoning_loop): Likewise.
3345
3346 2021-07-20  Martin Sebor  <msebor@redhat.com>
3347
3348         PR middle-end/101397
3349         * builtins.c (gimple_call_return_array): Add argument.  Correct
3350         offsets for memchr, mempcpy, stpcpy, and stpncpy.
3351         (compute_objsize_r): Adjust offset computation for argument returning
3352         built-ins.
3353
3354 2021-07-20  Martin Sebor  <msebor@redhat.com>
3355
3356         PR middle-end/101300
3357         * tree-ssa-uninit.c (check_defs): Handle UBSAN built-ins.
3358
3359 2021-07-20  Jeff Law  <jlaw@localhost.localdomain>
3360
3361         * function.c (assign_parm_setup_block): Use adjust_address instead
3362         of change_address to preserve MEM_EXPR and friends.
3363
3364 2021-07-20  Martin Sebor  <msebor@redhat.com>
3365
3366         * cfgloop.h (single_likely_exit): Adjust by-value argument to
3367         by-const-reference.
3368         * cfgloopanal.c (single_likely_exit): Same.
3369         * cgraph.h (struct cgraph_node): Same.
3370         * cgraphclones.c (cgraph_node::create_virtual_clone): Same.
3371         * genautomata.c (merge_states): Same.
3372         * genextract.c (VEC_char_to_string): Same.
3373         * genmatch.c (dt_node::gen_kids_1): Same.
3374         (walk_captures): Adjust by-value argument to by-reference.
3375         * gimple-ssa-store-merging.c (check_no_overlap): Adjust by-value argument
3376         to by-const-reference.
3377         * gimple.c (gimple_build_call_vec): Same.
3378         (gimple_build_call_internal_vec): Same.
3379         (gimple_build_switch): Same.
3380         (sort_case_labels): Same.
3381         (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
3382         by-reference.
3383         * gimple.h (gimple_build_call_vec): Adjust by-value argument to
3384         by-const-reference.
3385         (gimple_build_call_internal_vec): Same.
3386         (gimple_build_switch): Same.
3387         (sort_case_labels): Same.
3388         (preprocess_case_label_vec_for_gimple): Adjust by-value argument to
3389         by-reference.
3390         * haifa-sched.c (calc_priorities): Adjust by-value argument to
3391         by-const-reference.
3392         (sched_init_luids): Same.
3393         (haifa_init_h_i_d): Same.
3394         * ipa-cp.c (ipa_get_indirect_edge_target_1): Same.
3395         (adjust_callers_for_value_intersection): Adjust by-value argument to
3396         by-reference.
3397         (find_more_scalar_values_for_callers_subset): Adjust by-value argument to
3398         by-const-reference.
3399         (find_more_contexts_for_caller_subset): Same.
3400         (find_aggregate_values_for_callers_subset): Same.
3401         (copy_useful_known_contexts): Same.
3402         * ipa-fnsummary.c (remap_edge_summaries): Same.
3403         (remap_freqcounting_predicate): Same.
3404         * ipa-inline.c (add_new_edges_to_heap): Adjust by-value argument to
3405         by-reference.
3406         * ipa-predicate.c (predicate::remap_after_inlining): Adjust by-value argument
3407         to by-const-reference.
3408         * ipa-predicate.h (predicate::remap_after_inlining): Same.
3409         * ipa-prop.c (ipa_find_agg_cst_for_param): Same.
3410         * ipa-prop.h (ipa_find_agg_cst_for_param): Same.
3411         * ira-build.c (ira_loop_tree_body_rev_postorder): Same.
3412         * read-rtl.c (add_overload_instance): Same.
3413         * rtl.h (native_decode_rtx): Same.
3414         (native_decode_vector_rtx): Same.
3415         * sched-int.h (sched_init_luids): Same.
3416         (haifa_init_h_i_d): Same.
3417         * simplify-rtx.c (native_decode_vector_rtx): Same.
3418         (native_decode_rtx): Same.
3419         * tree-call-cdce.c (gen_shrink_wrap_conditions): Same.
3420         (shrink_wrap_one_built_in_call_with_conds): Same.
3421         (shrink_wrap_conditional_dead_built_in_calls): Same.
3422         * tree-data-ref.c (create_runtime_alias_checks): Same.
3423         (compute_all_dependences): Same.
3424         * tree-data-ref.h (compute_all_dependences): Same.
3425         (create_runtime_alias_checks): Same.
3426         (index_in_loop_nest): Same.
3427         * tree-if-conv.c (mask_exists): Same.
3428         * tree-loop-distribution.c (class loop_distribution): Same.
3429         (loop_distribution::create_rdg_vertices): Same.
3430         (dump_rdg_partitions): Same.
3431         (debug_rdg_partitions): Same.
3432         (partition_contains_all_rw): Same.
3433         (loop_distribution::distribute_loop): Same.
3434         * tree-parloops.c (oacc_entry_exit_ok_1): Same.
3435         (oacc_entry_exit_single_gang): Same.
3436         * tree-ssa-loop-im.c (hoist_memory_references): Same.
3437         (loop_suitable_for_sm): Same.
3438         * tree-ssa-loop-niter.c (bound_index): Same.
3439         * tree-ssa-reassoc.c (update_ops): Same.
3440         (swap_ops_for_binary_stmt): Same.
3441         (rewrite_expr_tree): Same.
3442         (rewrite_expr_tree_parallel): Same.
3443         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Same.
3444         * tree-ssa-sccvn.h (ao_ref_init_from_vn_reference): Same.
3445         * tree-ssa-structalias.c (process_all_all_constraints): Same.
3446         (make_constraints_to): Same.
3447         (handle_lhs_call): Same.
3448         (find_func_aliases_for_builtin_call): Same.
3449         (sort_fieldstack): Same.
3450         (check_for_overlaps): Same.
3451         * tree-vect-loop-manip.c (vect_create_cond_for_align_checks): Same.
3452         (vect_create_cond_for_unequal_addrs): Same.
3453         (vect_create_cond_for_lower_bounds): Same.
3454         (vect_create_cond_for_alias_checks): Same.
3455         * tree-vect-slp-patterns.c (vect_validate_multiplication): Same.
3456         * tree-vect-slp.c (vect_analyze_slp_instance): Same.
3457         (vect_make_slp_decision): Same.
3458         (vect_slp_bbs): Same.
3459         (duplicate_and_interleave): Same.
3460         (vect_transform_slp_perm_load): Same.
3461         (vect_schedule_slp): Same.
3462         * tree-vectorizer.h (vect_transform_slp_perm_load): Same.
3463         (vect_schedule_slp): Same.
3464         (duplicate_and_interleave): Same.
3465         * tree.c (build_vector_from_ctor): Same.
3466         (build_vector): Same.
3467         (check_vector_cst): Same.
3468         (check_vector_cst_duplicate): Same.
3469         (check_vector_cst_fill): Same.
3470         (check_vector_cst_stepped): Same.
3471         * tree.h (build_vector_from_ctor): Same.
3472
3473 2021-07-20  Jakub Jelinek  <jakub@redhat.com>
3474
3475         PR target/101384
3476         * config/rs6000/rs6000-protos.h (easy_altivec_constant): Change return
3477         type from bool to int.
3478         * config/rs6000/rs6000.c (vspltis_constant): Fix up handling the
3479         EASY_VECTOR_MSB case if either step or copies is not 1.
3480         (vspltis_shifted): Fix comment typo.
3481         (easy_altivec_constant): Change return type from bool to int, instead
3482         of returning true return byte size of the element mode that should be
3483         used to synthetize the constant.
3484         * config/rs6000/predicates.md (easy_vector_constant_msb): Require
3485         that vspltis_shifted is 0, handle the case where easy_altivec_constant
3486         assumes using different vector mode from CONST_VECTOR's mode.
3487         * config/rs6000/altivec.md (easy_vector_constant_msb splitter): Use
3488         easy_altivec_constant to determine mode in which -1 >> -1 should be
3489         performed, use rs6000_expand_vector_init instead of gen_vec_initv4sisi.
3490
3491 2021-07-20  Richard Biener  <rguenther@suse.de>
3492
3493         PR debug/101473
3494         * dwarf2out.h (dwarf_file_data): Add key member.
3495         * dwarf2out.c (dwarf_file_hasher::equal): Compare key.
3496         (dwarf_file_hasher::hash): Hash key.
3497         (lookup_filename): Remap the filename and store it in the
3498         filename member of dwarf_file_data when creating a new
3499         dwarf_file_data.
3500         (file_name_acquire): Do not remap the filename again.
3501         (maybe_emit_file): Likewise.
3502
3503 2021-07-20  Jonathan Wright  <jonathan.wright@arm.com>
3504
3505         * config/aarch64/aarch64-simd-builtins.def: Use two variant
3506         generators for all TBL/TBX intrinsics and rename to
3507         consistent forms: qtbl[1234] or qtbx[1234].
3508         * config/aarch64/aarch64-simd.md (aarch64_tbl1<mode>):
3509         Rename to...
3510         (aarch64_qtbl1<mode>): This.
3511         (aarch64_tbx1<mode>): Rename to...
3512         (aarch64_qtbx1<mode>): This.
3513         (aarch64_tbl2v16qi): Delete.
3514         (aarch64_tbl3<mode>): Rename to...
3515         (aarch64_qtbl2<mode>): This.
3516         (aarch64_tbx4<mode>): Rename to...
3517         (aarch64_qtbx2<mode>): This.
3518         * config/aarch64/aarch64.c (aarch64_expand_vec_perm_1): Use
3519         renamed qtbl1 and qtbl2 RTL patterns.
3520         * config/aarch64/arm_neon.h (vqtbl1_p8): Use renamed qtbl1
3521         RTL pattern.
3522         (vqtbl1_s8): Likewise.
3523         (vqtbl1_u8): Likewise.
3524         (vqtbl1q_p8): Likewise.
3525         (vqtbl1q_s8): Likewise.
3526         (vqtbl1q_u8): Likewise.
3527         (vqtbx1_s8): Use renamed qtbx1 RTL pattern.
3528         (vqtbx1_u8): Likewise.
3529         (vqtbx1_p8): Likewise.
3530         (vqtbx1q_s8): Likewise.
3531         (vqtbx1q_u8): Likewise.
3532         (vqtbx1q_p8): Likewise.
3533         (vtbl1_s8): Use renamed qtbl1 RTL pattern.
3534         (vtbl1_u8): Likewise.
3535         (vtbl1_p8): Likewise.
3536         (vtbl2_s8): Likewise
3537         (vtbl2_u8): Likewise.
3538         (vtbl2_p8): Likewise.
3539         (vtbl3_s8): Use renamed qtbl2 RTL pattern.
3540         (vtbl3_u8): Likewise.
3541         (vtbl3_p8): Likewise.
3542         (vtbl4_s8): Likewise.
3543         (vtbl4_u8): Likewise.
3544         (vtbl4_p8): Likewise.
3545         (vtbx2_s8): Use renamed qtbx2 RTL pattern.
3546         (vtbx2_u8): Likewise.
3547         (vtbx2_p8): Likewise.
3548         (vqtbl2_s8): Use renamed qtbl2 RTL pattern.
3549         (vqtbl2_u8): Likewise.
3550         (vqtbl2_p8): Likewise.
3551         (vqtbl2q_s8): Likewise.
3552         (vqtbl2q_u8): Likewise.
3553         (vqtbl2q_p8): Likewise.
3554         (vqtbx2_s8): Use renamed qtbx2 RTL pattern.
3555         (vqtbx2_u8): Likewise.
3556         (vqtbx2_p8): Likewise.
3557         (vqtbx2q_s8): Likewise.
3558         (vqtbx2q_u8): Likewise.
3559         (vqtbx2q_p8): Likewise.
3560         (vtbx4_s8): Likewise.
3561         (vtbx4_u8): Likewise.
3562         (vtbx4_p8): Likewise.
3563
3564 2021-07-20  Uroš Bizjak  <ubizjak@gmail.com>
3565
3566         PR target/100182
3567         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
3568         Remove.
3569         (define_peephole2 atomic_loaddi_fpu): Ditto.
3570
3571 2021-07-20  Kito Cheng  <kito.cheng@sifive.com>
3572
3573         * config.gcc (riscv*-*-*): Detect which python is available.
3574
3575 2021-07-20  Kewen Lin  <linkw@linux.ibm.com>
3576
3577         * config/rs6000/vsx.md (mulhs_<mode>): Rename to...
3578         (smul<mode>3_highpart): ... this.
3579         (mulhu_<mode>): Rename to...
3580         (umul<mode>3_highpart): ... this.
3581         * config/rs6000/rs6000-builtin.def (MULHS_V2DI, MULHS_V4SI,
3582         MULHU_V2DI, MULHU_V4SI): Adjust.
3583
3584 2021-07-20  Kewen Lin  <linkw@linux.ibm.com>
3585
3586         PR tree-optimization/100696
3587         * internal-fn.c (first_commutative_argument): Add info for IFN_MULH.
3588         * internal-fn.def (IFN_MULH): New internal function.
3589         * tree-vect-patterns.c (vect_recog_mulhs_pattern): Add support to
3590         recog normal multiply highpart as IFN_MULH.
3591         * config/i386/i386.c (ix86_add_stmt_cost): Adjust for combined
3592         function CFN_MULH.
3593
3594 2021-07-19  Indu Bhagat  <indu.bhagat@oracle.com>
3595
3596         * config/elfos.h (CTF_DEBUGGING_INFO): New definition.
3597         (BTF_DEBUGGING_INFO): Likewise.
3598         * doc/tm.texi.in: Document the new macros.
3599         * doc/tm.texi: Regenerated.
3600         * toplev.c: Guard initialization of debug hooks.
3601
3602 2021-07-19  Indu Bhagat  <indu.bhagat@oracle.com>
3603
3604         * flags.h (ctf_debuginfo_p): New function declaration.
3605         * opts.c (ctf_debuginfo_p): New function definition.
3606
3607 2021-07-19  Andrew Stubbs  <ams@codesourcery.com>
3608
3609         PR target/100208
3610         * config/gcn/gcn-hsa.h (DRIVER_SELF_SPECS): New.
3611         (ASM_SPEC): Set -mattr for xnack and sram-ecc.
3612         * config/gcn/gcn-opts.h (enum sram_ecc_type): New.
3613         * config/gcn/gcn-valu.md: Add a warning comment.
3614         * config/gcn/gcn.c (gcn_option_override): Add "sorry" for -mxnack.
3615         (output_file_start): Add xnack and sram-ecc state to ".amdgcn_target".
3616         * config/gcn/gcn.md: Add a warning comment.
3617         * config/gcn/gcn.opt: Add -mxnack and -msram-ecc.
3618         * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): Remove
3619         SRAM-ECC flag.
3620         (EF_AMDGPU_XNACK): New.
3621         (EF_AMDGPU_SRAM_ECC): New.
3622         (elf_flags): New.
3623         (copy_early_debug_info): Use elf_flags.
3624         (main): Handle -mxnack and -msram-ecc options.
3625         * doc/invoke.texi: Document -mxnack and -msram-ecc.
3626
3627 2021-07-19  Andrew Pinski  <apinski@marvell.com>
3628
3629         PR target/101205
3630         * config/aarch64/aarch64.md (csneg3_uxtw_insn): Rename to ...
3631         (*cs<neg_not_cs>3_uxtw_insn4): and extend to NEG_NOT.
3632
3633 2021-07-19  Richard Biener  <rguenther@suse.de>
3634
3635         PR tree-optimization/101505
3636         * tree-vect-patterns.c (vect_determine_precisions): Walk
3637         PHIs also for loop vectorization.
3638
3639 2021-07-19  Richard Biener  <rguenther@suse.de>
3640
3641         * gimple.h (gimple_expr_type): Remove.
3642         * doc/gimple.texi: Remove gimple_expr_type documentation.
3643
3644 2021-07-19  Richard Biener  <rguenther@suse.de>
3645
3646         * tree-ssa-sccvn.c (vn_reference_eq): Handle NULL vr->type.
3647         (ao_ref_init_from_vn_reference): Likewise.
3648         (fully_constant_reference): Likewise.
3649         (vn_reference_lookup_call): Do not set vr->type to random
3650         values.
3651         * tree-ssa-pre.c (compute_avail): Do not try to PRE calls
3652         without a value.
3653         * tree-vect-generic.c (expand_vector_piecewise): Pass in
3654         whether we expanded parallel.
3655         (expand_vector_parallel): Adjust.
3656         (expand_vector_addition): Likewise.
3657         (expand_vector_comparison): Likewise.
3658         (expand_vector_operation): Likewise.
3659         (expand_vector_scalar_condition): Likewise.
3660         (expand_vector_conversion): Likewise.
3661
3662 2021-07-19  Richard Biener  <rguenther@suse.de>
3663
3664         * tree-vrp.c (register_edge_assert_for_2): Use the
3665         type from the LHS.
3666         (vrp_folder::fold_predicate_in): Likewise.
3667         * vr-values.c (gimple_assign_nonzero_p): Likewise.
3668         (vr_values::extract_range_from_comparison): Likewise.
3669         (vr_values::extract_range_from_ubsan_builtin): Use the
3670         type of the first operand.
3671         (vr_values::extract_range_basic): Push down type
3672         computation, use the appropriate LHS.
3673         (vr_values::extract_range_from_assignment): Use the
3674         type of the LHS.
3675
3676 2021-07-18  H.J. Lu  <hjl.tools@gmail.com>
3677
3678         PR target/101492
3679         * common/config/i386/i386-common.c (ix86_handle_option): For
3680         -mgeneral-regs-only, enable the GPR only instructions which are
3681         enabled implicitly by SSE ISAs unless they have been disabled
3682         explicitly.
3683
3684 2021-07-18  H.J. Lu  <hjl.tools@gmail.com>
3685
3686         PR target/101495
3687         * config/i386/i386.c (ix86_check_avx_upper_stores): Moved before
3688         ix86_avx_u128_mode_needed.
3689         (ix86_avx_u128_mode_needed): Return AVX_U128_DIRTY if callee
3690         returns AVX register.
3691
3692 2021-07-17  Jan Hubicka  <hubicka@ucw.cz>
3693
3694         * tree-ssa-structalias.c (handle_rhs_call): Support EAF_NOT_RETURNED.
3695         (handle_const_call): Liekise
3696         (handle_pure_call): Liekise
3697
3698 2021-07-17  Andrew MacLeod  <amacleod@redhat.com>
3699
3700         PR tree-optimization/96542
3701         * range-op.cc (range_operator::wi_fold_in_parts): New.
3702         (range_operator::fold_range): Call wi_fold_in_parts.
3703         (operator_lshift::wi_fold): Fix broken lshift by [0,0].
3704         * range-op.h (wi_fold_in_parts): Add prototype.
3705
3706 2021-07-16  David Malcolm  <dmalcolm@redhat.com>
3707
3708         * doc/analyzer.texi: Add __analyzer_dump_state.
3709
3710 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3711
3712         * config/rs6000/rbtree.c: New file.
3713         * config/rs6000/rbtree.h: New file.
3714
3715 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3716
3717         * config/rs6000/rs6000-gen-builtins.c (restriction): New enum.
3718         (typeinfo): Add restr field.
3719         (match_bracketed_pair): New function.
3720         (match_const_restriction): Implement.
3721
3722 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3723
3724         * config/rs6000/rs6000-gen-builtins.c (match_basetype): Implement.
3725
3726 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3727
3728         * config/rs6000/rs6000-gen-builtins.c (void_status): New enum.
3729         (basetype): Likewise.
3730         (typeinfo): Likewise.
3731         (handle_pointer): New function.
3732         (match_basetype): New stub function.
3733         (match_const_restriction): Likewise.
3734         (match_type): New function.
3735
3736 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3737
3738         * config/rs6000/rs6000-gen-builtins.c (consume_whitespace): New
3739         function.
3740         (advance_line): Likewise.
3741         (safe_inc_pos): Likewise.
3742         (match_identifier): Likewise.
3743         (match_integer): Likewise.
3744         (match_to_right_bracket): Likewise.
3745
3746 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3747
3748         * config/rs6000/rs6000-gen-builtins.c (bif_file): New variable.
3749         (ovld_file): Likewise.
3750         (header_file): Likewise.
3751         (init_file): Likewise.
3752         (defines_file): Likewise.
3753         (pgm_path): Likewise.
3754         (bif_path): Likewise.
3755         (ovld_path): Likewise.
3756         (header_path): Likewise.
3757         (init_path): Likewise.
3758         (defines_path): Likewise.
3759         (LINELEN): New macro.
3760         (linebuf): New variable.
3761         (line): Likewise.
3762         (pos): Likewise.
3763         (diag): Likewise.
3764         (bif_diag): New function.
3765         (ovld_diag): Likewise.
3766
3767 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3768
3769         * config/rs6000/rs6000-builtin-new.def: New.
3770         * config/rs6000/rs6000-overload.def: New.
3771
3772 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3773
3774         * config/rs6000/rs6000-gen-builtins.c: New.
3775
3776 2021-07-16  Bill Schmidt  <wschmidt@linux.ibm.com>
3777
3778         * Makefile.in (EXTRA_GTYPE_DEPS): New variable.
3779         (s-gtype): Depend on EXTRA_GTYPE_DEPS.
3780         * gengtype-state.c (state_writer::write_state_file_list): Add a
3781         parameter to the fileslist expression for the number of build
3782         headers to scan.
3783         (read_state_files_list): Detect build headers and strip the
3784         initial "./" or ".\" from their names.
3785         * gengtype.c (build_headers): New global variable.
3786         (num_build_headers): Likewise.
3787         (open_base_files): Emit #include for each build header.
3788         (main): Detect and count build headers.
3789         * gengtype.h (build_headers): New extern variable.
3790         (num_build_headers): Likewise.
3791
3792 2021-07-16  Richard Biener   <rguenther@suse.de>
3793
3794         * gimple-ssa-store-merging.c (verify_symbolic_number_p): Use
3795         the type of the LHS.
3796         (find_bswap_or_nop_1): Likewise.
3797         (find_bswap_or_nop): Likewise.
3798         * tree-vectorizer.h (vect_get_smallest_scalar_type): Adjust
3799         prototype.
3800         * tree-vect-data-refs.c (vect_get_smallest_scalar_type):
3801         Remove unused parameters, pass in the scalar type.  Fix
3802         internal store function handling.
3803         * tree-vect-stmts.c (vect_analyze_stmt): Remove assert.
3804         (vect_get_vector_types_for_stmt): Move down check for
3805         existing vector stmt after we've determined a scalar type.
3806         Pass down the used scalar type to vect_get_smallest_scalar_type.
3807         * tree-vect-generic.c (expand_vector_condition): Use
3808         the type of the LHS.
3809         (expand_vector_scalar_condition): Likewise.
3810         (expand_vector_operations_1): Likewise.
3811         * tree-vect-patterns.c (vect_widened_op_tree): Likewise.
3812         (vect_recog_dot_prod_pattern): Likewise.
3813         (vect_recog_sad_pattern): Likewise.
3814         (vect_recog_widen_op_pattern): Likewise.
3815         (vect_recog_widen_sum_pattern): Likewise.
3816         (vect_recog_mixed_size_cond_pattern): Likewise.
3817
3818 2021-07-16  Jan Hubicka  <hubicka@ucw.cz>
3819
3820         * ipa-modref.c (struct escape_entry): Use eaf_fleags_t.
3821         (dump_eaf_flags): Dump EAF_NOT_RETURNED
3822         (eaf_flags_useful_p): Use eaf_fleags_t; handle const functions
3823         and EAF_NOT_RETURNED.
3824         (modref_summary::useful_p): Likewise.
3825         (modref_summary_lto::useful_p): Likewise.
3826         (struct) modref_summary_lto: Use eaf_fleags_t.
3827         (deref_flags): Handle EAF_NOT_RETURNED.
3828         (struct escape_point): Use min_flags.
3829         (modref_lattice::init): Add EAF_NOT_RETURNED.
3830         (merge_call_lhs_flags): Ignore EAF_NOT_RETURNED functions
3831         (analyze_ssa_name_flags): Clear EAF_NOT_RETURNED on return;
3832         handle call flags.
3833         (analyze_parms): Also analyze const functions; update conition on
3834         flags usefulness.
3835         (modref_write): Update streaming.
3836         (read_section): Update streaming.
3837         (remap_arg_flags): Use eaf_flags_t.
3838         (modref_merge_call_site_flags): Hanlde EAF_NOT_RETURNED.
3839         * ipa-modref.h: (eaf_flags_t): New typedef.
3840         (struct modref_summary): Use eaf_flags_t.
3841         * tree-core.h (EAF_NOT_RETURNED): New constant.
3842
3843 2021-07-16  Richard Biener  <rguenther@suse.de>
3844
3845         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use
3846         the type of the LHS.
3847         (gimple_assign_nonnegative_warnv_p): Likewise.
3848         (gimple_call_nonnegative_warnv_p): Likewise.  Return false
3849         if the call has no LHS.
3850         * gimple.c (gimple_could_trap_p_1): Use the type of the LHS.
3851         * tree-eh.c (stmt_could_throw_1_p): Likewise.
3852         * tree-inline.c (insert_init_stmt): Likewise.
3853         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3854         * tree-outof-ssa.c (ssa_is_replaceable_p): Use the type of
3855         the def.
3856         * tree-ssa-sccvn.c (init_vn_nary_op_from_stmt): Take a
3857         gassign *.  Use the type of the lhs.
3858         (vn_nary_op_lookup_stmt): Adjust.
3859         (vn_nary_op_insert_stmt): Likewise.
3860
3861 2021-07-16  Ilya Leoshkevich  <iii@linux.ibm.com>
3862
3863         * config/s390/predicates.md (bras_sym_operand): Accept all
3864         functions in 64-bit mode, use UNSPEC_PLT31.
3865         (larl_operand): Use UNSPEC_PLT31.
3866         * config/s390/s390.c (s390_loadrelative_operand_p): Likewise.
3867         (legitimize_pic_address): Likewise.
3868         (s390_emit_tls_call_insn): Mark __tls_get_offset as function,
3869         use UNSPEC_PLT31.
3870         (s390_delegitimize_address): Use UNSPEC_PLT31.
3871         (s390_output_addr_const_extra): Likewise.
3872         (print_operand): Add @PLT to TLS calls, handle %K.
3873         (s390_function_profiler): Mark __fentry__/_mcount as function,
3874         use %K, use UNSPEC_PLT31.
3875         (s390_output_mi_thunk): Use only UNSPEC_GOT, use %K.
3876         (s390_emit_call): Use UNSPEC_PLT31.
3877         (s390_emit_tpf_eh_return): Mark __tpf_eh_return as function.
3878         * config/s390/s390.md (UNSPEC_PLT31): Rename from UNSPEC_PLT.
3879         (*movdi_64): Use %K.
3880         (reload_base_64): Likewise.
3881         (*sibcall_brc): Likewise.
3882         (*sibcall_brcl): Likewise.
3883         (*sibcall_value_brc): Likewise.
3884         (*sibcall_value_brcl): Likewise.
3885         (*bras): Likewise.
3886         (*brasl): Likewise.
3887         (*bras_r): Likewise.
3888         (*brasl_r): Likewise.
3889         (*bras_tls): Likewise.
3890         (*brasl_tls): Likewise.
3891         (main_base_64): Likewise.
3892         (reload_base_64): Likewise.
3893         (@split_stack_call<mode>): Likewise.
3894
3895 2021-07-16  Richard Biener  <rguenther@suse.de>
3896
3897         PR tree-optimization/101467
3898         * tree-vect-stmts.c (vect_gen_while): Properly guard
3899         make_temp_ssa_name usage.
3900
3901 2021-07-16  Cooper Qu  <cooper.qu@linux.alibaba.com>
3902
3903         * config.gcc: Don't use forked print-sysroot-suffix.sh and
3904         t-sysroot-suffix for C-SKY.
3905         * config/csky/print-sysroot-suffix.sh: Delete.
3906         * config/csky/t-csky-linux: Delete.
3907         * config/csky/t-sysroot-suffix: Define MULTILIB_DIRNAMES
3908         instead of CSKY_MULTILIB_DIRNAMES.
3909
3910 2021-07-16  Richard Biener  <rguenther@suse.de>
3911
3912         * tree-vect-loop.c (vect_transform_cycle_phi): Correct sign
3913         conversion issues with the partial reduction of the reused
3914         vector accumulator.
3915
3916 2021-07-16  Richard Biener  <rguenther@suse.de>
3917
3918         * config/i386/i386-options.c (ix86_option_override_internal): Set
3919         param_vect_partial_vector_usage to zero if not set.
3920
3921 2021-07-15  Uroš Bizjak  <ubizjak@gmail.com>
3922
3923         PR target/101346
3924         * config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
3925         (VALID_INT_MODE_P): Add SDmode and DDmode.
3926         Add TDmode for TARGET_64BIT.
3927         (VALID_DFP_MODE_P): Remove.
3928         * config/i386/i386.c (ix86_hard_regno_mode_ok):
3929         Do not use VALID_DFP_MODE_P.
3930
3931 2021-07-15  Andrew MacLeod  <amacleod@redhat.com>
3932
3933         * gimple-range-fold.cc (adjust_pointer_diff_expr): Use
3934         gimple_range_type.
3935         (fold_using_range::fold_stmt): Ditto.
3936         (fold_using_range::range_of_range_op): Ditto.
3937         (fold_using_range::range_of_phi): Ditto.
3938         (fold_using_range::range_of_call): Ditto.
3939         (fold_using_range::range_of_builtin_ubsan_call): Ditto.
3940         (fold_using_range::range_of_builtin_call): Ditto.
3941         (fold_using_range::range_of_cond_expr): Ditto.
3942         * gimple-range-fold.h (gimple_range_type): New.
3943
3944 2021-07-15  Martin Sebor  <msebor@redhat.com>
3945
3946         PR middle-end/97027
3947         * tree-ssa-strlen.c (handle_assign): New function.
3948         (maybe_warn_overflow): Add argument.
3949         (nonzero_bytes_for_type): New function.
3950         (count_nonzero_bytes): Handle more tree types.  Call
3951         nonzero_bytes_for_tye.
3952         (count_nonzero_bytes): Handle types.
3953         (handle_store): Handle stores from function calls.
3954         (strlen_check_and_optimize_call): Move code to handle_assign.  Call
3955         it for assignments from function calls.
3956
3957 2021-07-15  David Malcolm  <dmalcolm@redhat.com>
3958
3959         PR analyzer/95006
3960         PR analyzer/94713
3961         PR analyzer/94714
3962         * doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
3963
3964 2021-07-15  David Malcolm  <dmalcolm@redhat.com>
3965
3966         * doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
3967
3968 2021-07-15  Martin Sebor  <msebor@redhat.com>
3969
3970         PR c/101289
3971         PR c/97548
3972         * fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
3973         (operand_compare::verify_hash_value): Same.
3974         * tree-core.h (OEP_DECL_NAME): New.
3975
3976 2021-07-15  Martin Jambor  <mjambor@suse.cz>
3977
3978         * profile-count.h (profile_count::value): Change the return type to
3979         uint64_t.
3980         * gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
3981         statement.
3982         * tree-cfg.c (dump_function_to_file): Likewise.
3983
3984 2021-07-15  Bill Schmidt  <wschmidt@linux.ibm.com>
3985
3986         PR target/101129
3987         * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
3988         (rs6000_analyze_swaps): Insns containing a subreg of a mult are
3989         not swappable.
3990
3991 2021-07-15  Richard Biener  <rguenther@suse.de>
3992
3993         * tree-vectorizer.h (vect_gen_while): Match up with
3994         vect_gen_while_not.
3995         * tree-vect-stmts.c (vect_gen_while): Adjust API to that
3996         of vect_gen_while_not.
3997         (vect_gen_while_not): Adjust.
3998         * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
3999
4000 2021-07-15  Aldy Hernandez  <aldyh@redhat.com>
4001
4002         * gimple-range-cache.cc (non_null_ref::adjust_range): New.
4003         (ranger_cache::range_of_def): Call adjust_range.
4004         (ranger_cache::entry_range): Same.
4005         * gimple-range-cache.h (non_null_ref::adjust_range): New.
4006         * gimple-range.cc (gimple_ranger::range_of_expr): Call
4007         adjust_range.
4008         (gimple_ranger::range_on_entry): Same.
4009
4010 2021-07-15  Tamar Christina  <tamar.christina@arm.com>
4011
4012         Revert:
4013         2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4014
4015         * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4016
4017 2021-07-15  Tamar Christina  <tamar.christina@arm.com>
4018
4019         Revert:
4020         2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4021
4022         * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4023         (sdot_prod, udot_prod): ...These.
4024         * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4025         (aarch64_<sur>dot<vsi2qi>): Rename to...
4026         (<sur>dot_prod<vsi2qi>): ...This.
4027         * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4028         Update builtins.
4029
4030 2021-07-15  Jakub Jelinek  <jakub@redhat.com>
4031
4032         PR middle-end/101437
4033         * gimplify.c (gimplify_expr): Throw away volatile reads from empty
4034         types even if they have non-BLKmode TYPE_MODE.
4035
4036 2021-07-15  Richard Biener  <rguenther@suse.de>
4037
4038         PR driver/101383
4039         * gcc.c (process_command): Process -gtoggle like process_options
4040         would after parsing options.
4041
4042 2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
4043
4044         * cfgexpand.c (expand_asm_loc): Adjust.
4045         (expand_asm_stmt): Likewise.
4046         * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
4047         * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
4048         * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
4049         * config/avr/avr.c (avr_md_asm_adjust): Likewise.
4050         * config/cris/cris.c (cris_md_asm_adjust): Likewise.
4051         * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
4052         * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
4053         * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
4054         * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
4055         * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
4056         * config/s390/s390.c (s390_md_asm_adjust): Likewise.
4057         * config/vax/vax.c (vax_md_asm_adjust): Likewise.
4058         * config/visium/visium.c (visium_md_asm_adjust): Likewise.
4059         * doc/tm.texi: Regenerate.
4060         * target.def: Add location argument to md_asm_adjust.
4061
4062 2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
4063
4064         * tree-diagnostic.c (diagnostic_report_current_function): Use the
4065         diagnostic's location, not input_location.
4066
4067 2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
4068
4069         * cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
4070         diagnostics.
4071         (expand_asm_stmt): Likewise.
4072
4073 2021-07-14  Peter Bergner  <bergner@linux.ibm.com>
4074
4075         * config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
4076         addressed memory rtx, if any.
4077         (rs6000_split_multireg_move): Fix code formatting.
4078         Handle MMA build built-ins with operands in adjacent memory locations.
4079
4080 2021-07-14  Peter Bergner  <bergner@linux.ibm.com>
4081
4082         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Move to later
4083         in the file.
4084
4085 2021-07-14  Jason Merrill  <jason@redhat.com>
4086
4087         * sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
4088
4089 2021-07-14  Jason Merrill  <jason@redhat.com>
4090
4091         * doc/invoke.texi: -fdelete-dead-exceptions is on by default for
4092         C++.
4093
4094 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4095
4096         * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4097         Remove erroneous line.
4098
4099 2021-07-14  Andrew MacLeod  <amacleod@redhat.com>
4100
4101         * params.opt (param_evrp_mode): Change default.
4102
4103 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4104
4105         * config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
4106         (sdot_prod, udot_prod): ...These.
4107         * config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
4108         (aarch64_<sur>dot<vsi2qi>): Rename to...
4109         (<sur>dot_prod<vsi2qi>): ...This.
4110         * config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
4111         Update builtins.
4112
4113 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4114
4115         * config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
4116
4117 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4118
4119         * doc/sourcebuild.texi (arm_v8_2a_i8mm_neon_hw): Document.
4120
4121 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4122
4123         * config/arm/neon.md (usdot_prod<vsi2qi>): New.
4124
4125 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4126
4127         * config/aarch64/aarch64-simd.md (aarch64_usdot<vsi2qi>): Rename to...
4128         (usdot_prod<vsi2qi>): ... This.
4129         * config/aarch64/aarch64-simd-builtins.def (usdot): Rename to...
4130         (usdot_prod): ...This.
4131         * config/aarch64/arm_neon.h (vusdot_s32, vusdotq_s32): Likewise.
4132         * config/aarch64/aarch64-sve.md (@aarch64_<sur>dot_prod<vsi2qi>):
4133         Rename to...
4134         (@<sur>dot_prod<vsi2qi>): ...This.
4135         * config/aarch64/aarch64-sve-builtins-base.cc
4136         (svusdot_impl::expand): Use it.
4137
4138 2021-07-14  Tamar Christina  <tamar.christina@arm.com>
4139
4140         * optabs.def (usdot_prod_optab): New.
4141         * doc/md.texi: Document it and clarify other dot prod optabs.
4142         * optabs-tree.h (enum optab_subtype): Add optab_vector_mixed_sign.
4143         * optabs-tree.c (optab_for_tree_code): Support usdot_prod_optab.
4144         * optabs.c (expand_widen_pattern_expr): Likewise.
4145         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
4146         * tree-vect-loop.c (vectorizable_reduction): Query dot-product kind.
4147         * tree-vect-patterns.c (vect_supportable_direct_optab_p): Take optional
4148         optab subtype.
4149         (vect_widened_op_tree): Optionally ignore
4150         mismatch types.
4151         (vect_recog_dot_prod_pattern): Support usdot_prod_optab.
4152
4153 2021-07-14  H.J. Lu  <hjl.tools@gmail.com>
4154
4155         PR target/101395
4156         * config/i386/driver-i386.c (host_detect_local_cpu): Check
4157         "arch [32|64]" and "tune [32|64]" for 32-bit and 64-bit codegen.
4158         Enable UINTR only for 64-bit codegen.
4159         * config/i386/i386-options.c
4160         (ix86_option_override_internal::DEF_PTA): Skip PTA_UINTR if not
4161         in 64-bit mode.
4162         * config/i386/i386.h (ARCH_ARG): New.
4163         (CC1_CPU_SPEC): Pass "[arch|tune] 32" for 32-bit codegen and
4164         "[arch|tune] 64" for 64-bit codegen.
4165
4166 2021-07-14  Richard Biener  <rguenther@suse.de>
4167
4168         PR tree-optimization/101445
4169         * tree-vect-stmts.c (vectorizable_load): Do the gap adjustment
4170         of the IV in the correct direction for negative stride
4171         accesses.
4172
4173 2021-07-14  Jakub Jelinek  <jakub@redhat.com>
4174
4175         PR go/101407
4176         * godump.c (godump_str_hash): New type.
4177         (godump_container::pot_dummy_types): Use string_hash instead of
4178         ptr_hash in the hash_set.
4179
4180 2021-07-14  Richard Biener  <rguenther@suse.de>
4181
4182         * tree-vect-loop.c (vect_find_reusable_accumulator): Handle
4183         vector types where the old vector type has a multiple of
4184         the new vector type elements.
4185         (vect_create_partial_epilog): New function, split out from...
4186         (vect_create_epilog_for_reduction): ... here.
4187         (vect_transform_cycle_phi): Reduce the re-used accumulator
4188         to the new vector type.
4189
4190 2021-07-14  Alexandre Oliva  <oliva@adacore.com>
4191
4192         * tree-ssa-alias.c (attr_fnspec::verify): Fix index in
4193         non-'t'-sized arg check.
4194
4195 2021-07-14  Alexandre Oliva  <oliva@adacore.com>
4196
4197         * tree-cfg.c (cleanup_dead_labels_eh): Update
4198         post_landing_pad label upon change of landing pad block's
4199         primary label.
4200         (cleanup_dead_labels): Check that a removed label is not that
4201         of a landing pad.
4202
4203 2021-07-13  Jonathan Wright  <jonathan.wright@arm.com>
4204
4205         * combine.c (combine_simplify_rtx): Add vec_select -> subreg
4206         simplification.
4207         * config/aarch64/aarch64.md (*zero_extend<SHORT:mode><GPI:mode>2_aarch64):
4208         Add Neon to general purpose register case for zero-extend
4209         pattern.
4210         * config/arm/vfp.md (*arm_movsi_vfp): Remove "*" from *t -> r
4211         case to prevent some cases opting to go through memory.
4212         * cse.c (fold_rtx): Add vec_select -> subreg simplification.
4213         * rtl.c (rtvec_series_p): Define predicate to determine
4214         whether a vector contains a linear series of integers.
4215         * rtl.h (rtvec_series_p): Define.
4216         * rtlanal.c (vec_series_lowpart_p): Define predicate to
4217         determine if a vector selection is equivalent to the low part
4218         of the vector.
4219         * rtlanal.h (vec_series_lowpart_p): Define.
4220         * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
4221         Add vec_select -> subreg simplification.
4222
4223 2021-07-13  Paul A. Clarke  <pc@us.ibm.com>
4224
4225         * config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
4226         _mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
4227         _mm_test_mix_ones_zeros): New.
4228
4229 2021-07-13  Roger Sayle  <roger@nextmovesoftware.com>
4230             Richard Biener  <rguenther@suse.de>
4231
4232         * gimple.c (gimple_could_trap_p_1):  Make S argument a
4233         "const gimple*".  Preserve constness in call to
4234         gimple_asm_volatile_p.
4235         (gimple_could_trap_p): Make S argument a "const gimple*".
4236         * gimple.h (gimple_could_trap_p_1, gimple_could_trap_p):
4237         Update function prototypes.
4238
4239 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4240
4241         * tree-vectorizer.h (vect_reusable_accumulator): New structure.
4242         (_loop_vec_info::main_loop_edge): New field.
4243         (_loop_vec_info::skip_main_loop_edge): Likewise.
4244         (_loop_vec_info::skip_this_loop_edge): Likewise.
4245         (_loop_vec_info::reusable_accumulators): Likewise.
4246         (_stmt_vec_info::reduc_scalar_results): Likewise.
4247         (_stmt_vec_info::reused_accumulator): Likewise.
4248         (vect_get_main_loop_result): Declare.
4249         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
4250         reduc_scalar_inputs.
4251         (vec_info::free_stmt_vec_info): Free reduc_scalar_inputs.
4252         * tree-vect-loop-manip.c (vect_get_main_loop_result): New function.
4253         (vect_do_peeling): Fill an epilogue loop's main_loop_edge,
4254         skip_main_loop_edge and skip_this_loop_edge fields.
4255         * tree-vect-loop.c (INCLUDE_ALGORITHM): Define.
4256         (vect_emit_reduction_init_stmts): New function.
4257         (get_initial_def_for_reduction): Use it.
4258         (get_initial_defs_for_reduction): Likewise.  Change the vinfo
4259         parameter to a loop_vec_info.
4260         (vect_create_epilog_for_reduction): Store the scalar results
4261         in the reduc_info.  If an epilogue loop is reusing an accumulator
4262         from the main loop, and if the epilogue loop can also be skipped,
4263         try to place the reduction code in the join block.  Record
4264         accumulators that could potentially be reused by epilogue loops.
4265         (vect_transform_cycle_phi): When vectorizing epilogue loops,
4266         try to reuse accumulators from the main loop.  Record the initial
4267         value in reduc_info for non-SLP reductions too.
4268
4269 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4270
4271         * tree-vect-loop.c (get_initial_def_for_reduction): Remove
4272         adjustment handling.  Take the neutral value as an argument,
4273         in place of the code argument.
4274         (vect_transform_cycle_phi): Update accordingly.  Handle the
4275         initial values of cond reductions separately from code reductions.
4276         Choose the adjustment here rather than in
4277         get_initial_def_for_reduction.  Sink the splat of vec_initial_def.
4278
4279 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4280
4281         * tree-vect-loop.c (neutral_op_for_slp_reduction): Replace with...
4282         (neutral_op_for_reduction): ...this, providing a more general
4283         interface.
4284         (vect_create_epilog_for_reduction): Update accordingly.
4285         (vectorizable_reduction): Likewise.
4286         (vect_transform_cycle_phi): Likewise.
4287
4288 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4289
4290         * tree-vect-loop.c (get_initial_def_for_reduction): Take the
4291         reduc_info instead of the original stmt_vec_info.
4292         (vect_transform_cycle_phi): Update accordingly.
4293
4294 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4295
4296         * tree-vect-loop.c (get_initial_defs_for_reduction): Take the
4297         reduc_info as an additional parameter.
4298         (vect_transform_cycle_phi): Update accordingly.
4299
4300 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4301
4302         * tree-vectorizer.h: Include tree-ssa-operands.h.
4303         (vect_phi_initial_value): New function.
4304         * tree-vect-loop.c (neutral_op_for_slp_reduction): Use it.
4305         (get_initial_defs_for_reduction, info_for_reduction): Likewise.
4306         (vect_create_epilog_for_reduction, vectorizable_reduction): Likewise.
4307         (vect_transform_cycle_phi, vectorizable_induction): Likewise.
4308
4309 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4310
4311         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
4312         the phi results to vectype after creating them.  Remove later
4313         conversion code that thus becomes redundant.
4314
4315 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4316
4317         * tree-vect-loop.c (vect_create_epilog_for_reduction): Replace
4318         the new_phis vector with a reduc_inputs vector.  Combine handling
4319         of reduction chains and ncopies > 1.
4320
4321 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4322
4323         * tree-vect-loop.c (vect_create_epilog_for_reduction): Truncate
4324         scalar_results to group_size elements after reducing down from
4325         N*group_size elements.  Construct an array_slice of the live-out
4326         stmts and assert that there is one stmt per scalar result.
4327
4328 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4329
4330         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
4331         nested_in_vect_loop and use double_reduc everywhere.  Remove dead
4332         assignment to "loop".
4333
4334 2021-07-13  Richard Sandiford  <richard.sandiford@arm.com>
4335
4336         * internal-fn.c (vectorized_internal_fn_supported_p): Handle
4337         vector types first.  For scalar types, consider both the preferred
4338         vector mode and the alternative vector modes.
4339         * optabs-query.c (can_vec_mask_load_store_p): Use the same
4340         structure as above, in particular using related_vector_mode
4341         for modes provided by autovectorize_vector_modes.
4342
4343 2021-07-13  Jakub Jelinek  <jakub@redhat.com>
4344             Richard Biener  <rguenther@suse.de>
4345
4346         PR tree-optimization/101419
4347         * tree-pass.h (PROP_objsz): Define.
4348         (make_pass_early_object_sizes): Declare.
4349         * passes.def (pass_all_early_optimizations): Rename pass_object_sizes
4350         there to pass_early_object_sizes, drop parameter.
4351         (pass_all_optimizations): Move pass_object_sizes right after pass_ccp,
4352         drop parameter, move pass_post_ipa_warn right after that.
4353         * tree-object-size.c (pass_object_sizes::execute): Rename to...
4354         (object_sizes_execute): ... this.  Add insert_min_max_p argument.
4355         (pass_data_object_sizes): Move after object_sizes_execute.
4356         (pass_object_sizes): Likewise.  In execute method call
4357         object_sizes_execute, drop set_pass_param method and insert_min_max_p
4358         non-static data member and its initializer in the ctor.
4359         (pass_data_early_object_sizes, pass_early_object_sizes,
4360         make_pass_early_object_sizes): New.
4361         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use
4362         (cfun->curr_properties & PROP_objsz) instead of cfun->after_inlining.
4363
4364 2021-07-13  Kito Cheng  <kito.cheng@sifive.com>
4365
4366         PR target/101275
4367         * config/riscv/constraints.md ("S"): Update description and remove
4368         @internal.
4369         * doc/md.texi (Machine Constraints): Document the 'S' constraints
4370         for RISC-V.
4371
4372 2021-07-13  Richard Biener  <rguenther@suse.de>
4373
4374         Revert:
4375         2021-07-12  Richard Biener  <rguenther@suse.de>
4376
4377         * tree-vect-slp.c (vect_slp_region): Show the number of
4378         SLP graph entries in the optimization message.
4379
4380 2021-07-13  Michael Meissner  <meissner@linux.ibm.com>
4381
4382         * config/rs6000/altivec.md (xxspltiw_v4sf): Change local variable
4383         value to to long.
4384         * config/rs6000/rs6000-protos.h (rs6000_const_f32_to_i32): Change
4385         return type to long.
4386         * config/rs6000/rs6000.c (rs6000_const_f32_to_i32): Change return
4387         type to long.
4388
4389 2021-07-12  Andrew MacLeod  <amacleod@redhat.com>
4390
4391         * gimple-range-fold.cc (fold_using_range::range_of_builtin_ubsan_call):
4392         Query relation between the 2 operands and use it.
4393
4394 2021-07-12  Sergei Trofimovich  <siarheit@google.com>
4395
4396         * doc/cfg.texi: Fix s/ei_safe_safe/ei_safe_edge/ typo.
4397
4398 2021-07-12  Uroš Bizjak  <ubizjak@gmail.com>
4399
4400         PR target/101424
4401         * config/i386/predicates.md (vec_setm_sse41_operand):
4402         Rename from vec_setm_operand.
4403         (vec_setm_avx2_operand): New predicate.
4404         * config/i386/sse.md (vec_set<V_128:mode>): Use V_128 mode iterator.
4405         Use vec_setm_sse41_operand as operand 2 predicate.
4406         (vec_set<V_256_512:mode): New expander.
4407         * config/i386/mmx.md (vec_setv2hi): Use vec_setm_sse41_operand
4408         as operand 2 predicate.
4409
4410 2021-07-12  Andrew MacLeod  <amacleod@redhat.com>
4411
4412         PR tree-optimization/101335
4413         * range-op.cc (operator_cast::lhs_op1_relation): Delete.
4414
4415 2021-07-12  Andrew Pinski  <apinski@marvell.com>
4416
4417         * tree-ssa-phiopt.c (match_simplify_replacement): Move
4418         insert of the sequence before the movement of the
4419         statement. Check if to see if the statement is used
4420         outside of the original phi to see if we should move it.
4421
4422 2021-07-12  Richard Biener  <rguenther@suse.de>
4423
4424         * dump-context.h (debug_dump_context::debug_dump_context):
4425         Add FILE * parameter defaulted to stderr.
4426         * dumpfile.c (debug_dump_context::debug_dump_context): Adjust.
4427         * tree-vect-slp.c (dot_slp_tree): New functions.
4428
4429 2021-07-12  Richard Biener  <rguenther@suse.de>
4430
4431         PR tree-optimization/101373
4432         * tree-ssa-pre.c (prune_clobbered_mems): Also prune trapping
4433         references when the BB may not return.
4434         (compute_avail): Pass in the function we're working on and
4435         replace cfun references with it.  Externally throwing
4436         const calls also possibly terminate the function.
4437         (pass_pre::execute): Pass down the function we're working on.
4438         * gcse.c (compute_hash_table_work): Externally throwing
4439         const/pure calls also need record_last_mem_set_info.
4440         * postreload-gcse.c (record_opr_changes): Looping or externally
4441         throwing const/pure calls also need record_last_mem_set_info.
4442
4443 2021-07-12  Uroš Bizjak  <ubizjak@gmail.com>
4444
4445         * recog.c (memory_address_addr_space_p): Change the type to bool.
4446         Return true/false instead of 1/0.
4447         (offsettable_memref_p): Ditto.
4448         (offsettable_nonstrict_memref_p): Ditto.
4449         (offsettable_address_addr_space_p): Ditto.
4450         Change the type of addressp indirect function to bool.
4451         * recog.h (memory_address_addr_space_p): Change the type to bool.
4452         (strict_memory_address_addr_space_p): Ditto.
4453         (offsettable_memref_p): Ditto.
4454         (offsettable_nonstrict_memref_p): Ditto.
4455         (offsettable_address_addr_space_p): Ditto.
4456         * reload.c (maybe_memory_address_addr_space_p): Ditto.
4457         (strict_memory_address_addr_space_p): Change the type to bool.
4458         Return true/false instead of 1/0.
4459         (maybe_memory_address_addr_space_p): Change the type to bool.
4460
4461 2021-07-12  Richard Biener  <rguenther@suse.de>
4462
4463         * tree-vect-slp.c (vect_slp_region): Show the number of
4464         SLP graph entries in the optimization message.
4465
4466 2021-07-12  Richard Biener  <rguenther@suse.de>
4467
4468         PR tree-optimization/101394
4469         * tree-ssa-pre.c (do_pre_regular_insertion): Avoid inserting
4470         copies from abnormals for a full redundancy.
4471
4472 2021-07-12  Richard Biener  <rguenther@suse.de>
4473
4474         PR middle-end/101423
4475         * gimple.c (gimple_could_trap_p_1): Internal function calls
4476         do not trap.
4477         * tree-eh.c (tree_could_trap_p): Likewise.
4478
4479 2021-07-12  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
4480
4481         PR target/66791
4482         * config/arm/arm_neon.h (vmul_n_u32): Replace call to builtin with
4483         __a * __b.
4484         (vmulq_n_u32): Likewise.
4485         (vmul_n_f32): Gate __a * __b on __FAST_MATH__.
4486         (vmulq_n_f32): Likewise.
4487         (vmul_n_f16): Likewise.
4488         (vmulq_n_f16): Likewise.
4489
4490 2021-07-12  Martin Liska  <mliska@suse.cz>
4491
4492         PR sanitizer/101425
4493         * gcc.c (check_offload_target_name): Call
4494           candidates_list_and_hint only if we have a candidate.
4495
4496 2021-07-12  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
4497
4498         PR target/98435
4499         * config/arm/neon.md (vec_init): Move to ...
4500         * config/arm/vec-common.md (vec_init): ... here.
4501         Change the pattern's mode to VDQX and gate it on VALID_MVE_MODE.
4502
4503 2021-07-12  Roger Sayle  <roger@nextmovesoftware.com>
4504
4505         PR tree-optimization/101403
4506         * match.pd ((T)bswap(X)>>C): Correctly handle cases where
4507         signedness of the shift is not the same as the signedness of
4508         the type extension.
4509
4510 2021-07-09  Roger Sayle  <roger@nextmovesoftware.com>
4511             Uroš Bizjak  <ubizjak@gmail.com>
4512
4513         * config/i386/i386.md (*divmodsi4_const): Optimize SImode
4514         divmod of a constant numerator with new define_insn_and_split.
4515
4516 2021-07-09  Iain Sandoe  <iain@sandoe.co.uk>
4517
4518         PR target/100152
4519         * config/i386/i386-expand.c (ix86_expand_call): If a call is
4520         to a non-local-binding, or local but to a public symbol, then
4521         assume that it might be indirected via the lazy symbol binder.
4522         Mark R10 and R10 as clobbered in that case.
4523
4524 2021-07-09  Eric Botcazou  <ebotcazou@adacore.com>
4525
4526         PR target/101377
4527         * gcc.c (ASM_DEBUG_DWARF_OPTION): Set again to --gdwarf2 in
4528         the case where HAVE_AS_WORKING_DWARF_N_FLAG is not defined
4529         and HAVE_LD_BROKEN_PE_DWARF5 is defined.
4530
4531 2021-07-09  Uroš Bizjak  <ubizjak@gmail.com>
4532
4533         * config/i386/i386.md (*udivmodsi4_pow2_zext_1): Limit the
4534         log2 range of operands[3] to [1,31].
4535         (*udivmodsi4_pow2_zext_2): Ditto.  Correct insn RTX pattern.
4536
4537 2021-07-09  Sergei Trofimovich  <siarheit@google.com>
4538
4539         * doc/md.texi: Don't split @smallexample in multiple @groups.
4540
4541 2021-07-09  Sergei Trofimovich  <siarheit@google.com>
4542
4543         * doc/md.texi: Add missing 'see' word.
4544
4545 2021-07-09  Andrew Pinski  <apinski@marvell.com>
4546
4547         * tree-ssa-phiopt.c (phiopt_early_allow): Change arguments
4548         to take sequence and gimple_match_op.  Accept the case where
4549         op is a SSA_NAME and one statement in the sequence.
4550         Also allow constants.
4551         (gimple_simplify_phiopt): Always pass a sequence to resimplify.
4552         Update call to phiopt_early_allow.  Discard the sequence if not
4553         used.
4554
4555 2021-07-09  Xi Ruoyao  <xry111@mengyan1223.wang>
4556
4557         PR target/100760
4558         PR target/100761
4559         PR target/100762
4560         * config/mips/mips.c (mips_const_insns): Use MSA_SUPPORTED_MODE_P
4561         instead of ISA_HAS_MSA.
4562         (mips_expand_vec_unpack): Likewise.
4563         (mips_expand_vector_init): Likewise.
4564
4565 2021-07-09  Kewen Lin  <linkw@linux.ibm.com>
4566
4567         * config/rs6000/vsx.md (mods_<mode>): Rename to...
4568         (mod<mode>3): ... this.
4569         (modu_<mode>): Rename to...
4570         (umod<mode>3): ... this.
4571         * config/rs6000/rs6000-builtin.def (MODS_V2DI, MODS_V4SI, MODU_V2DI,
4572         MODU_V4SI): Adjust.
4573
4574 2021-07-08  Jeff Law  <jeffreyalaw@gmail.com>
4575
4576         * config/h8300/shiftrotate.md (variable shifts): Expose condition
4577         code handling for the test before the loop.
4578
4579 2021-07-08  Martin Jambor  <mjambor@suse.cz>
4580
4581         PR ipa/101066
4582         * ipa-sra.c (class isra_call_summary): New member
4583         m_before_any_store, initialize it in the constructor.
4584         (isra_call_summary::dump): Dump the new field.
4585         (ipa_sra_call_summaries::duplicate): Copy it.
4586         (process_scan_results): Set it.
4587         (isra_write_edge_summary): Stream it.
4588         (isra_read_edge_summary): Likewise.
4589         (param_splitting_across_edge): Only override
4590         safe_to_import_accesses if m_before_any_store is set.
4591
4592 2021-07-08  Martin Sebor  <msebor@redhat.com>
4593
4594         PR bootstrap/101374
4595         * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref):
4596         Use Object Size Type 0 instead of 1.
4597
4598 2021-07-08  Richard Sandiford  <richard.sandiford@arm.com>
4599
4600         * tree-vect-loop.c (vectorizable_reduction): Remove always-true
4601         if condition.
4602
4603 2021-07-08  Richard Sandiford  <richard.sandiford@arm.com>
4604
4605         * match.pd: Simplify an extend-operate-truncate sequence involving
4606         a POLY_INT_CST.
4607
4608 2021-07-08  Roger Sayle  <roger@nextmovesoftware.com>
4609             Richard Biener  <rguenther@suse.de>
4610
4611         PR tree-optimization/40210
4612         * match.pd (bswap optimizations): Simplify (bswap(x)>>C1)&C2 as
4613         (x>>C3)&C2 when possible.  Simplify bswap(x)>>C1 as ((T)x)>>C2
4614         when possible.  Simplify bswap(x)&C1 as (x>>C2)&C1 when 0<=C1<=255.
4615
4616 2021-07-08  Uroš Bizjak  <ubizjak@gmail.com>
4617
4618         PR target/100637
4619         * config/i386/i386-expand.c (ix86_expand_sse_unpack):
4620         Handle V4QI mode.
4621         * config/i386/mmx.md (V_32): New mode iterator.
4622         (mov<V_32:mode>): Use V_32 mode iterator.
4623         (*mov<V_32:mode>_internal): Ditto.
4624         (*push<V_32:mode>2_rex64): Ditto.
4625         (*push<V_32:mode>2): Ditto.
4626         (movmisalign<V_32:mode>): Ditto.
4627         (mmx_<any_shiftrt:insn>v1si3): New insn pattern.
4628         (sse4_1_<any_extend:code>v2qiv2hi2): Ditto.
4629         (vec_unpacks_lo_v4qi): New expander.
4630         (vec_unpacks_hi_v4qi): Ditto.
4631         (vec_unpacku_lo_v4qi): Ditto.
4632         (vec_unpacku_hi_v4qi): Ditto.
4633         * config/i386/i386.h (VALID_SSE2_REG_MODE): Add V1SImode.
4634         (VALID_INT_MODE_P): Ditto.
4635
4636 2021-07-08  Michael Meissner  <meissner@linux.ibm.com>
4637
4638         PR target/100809
4639         * config/rs6000/rs6000.md (udivti3): New insn.
4640         (divti3): New insn.
4641         (umodti3): New insn.
4642         (modti3): New insn.
4643
4644 2021-07-07  Martin Sebor  <msebor@redhat.com>
4645
4646         PR tree-optimization/100137
4647         PR tree-optimization/99121
4648         PR tree-optimization/97027
4649         * builtins.c (access_ref::access_ref): Also set offmax.
4650         (access_ref::offset_in_range): Define new function.
4651         (access_ref::add_offset): Set offmax.
4652         (access_ref::inform_access): Handle access_none.
4653         (handle_mem_ref): Clear ostype.
4654         (compute_objsize_r): Handle ASSERT_EXPR.
4655         * builtins.h (struct access_ref): Add offmax member.
4656         * gimple-array-bounds.cc (array_bounds_checker::check_mem_ref): Use
4657         compute_objsize() and simplify.
4658
4659 2021-07-07  Peter Bergner  <bergner@linux.ibm.com>
4660
4661         * config/rs6000/rs6000-call.c (mma_init_builtins): Use VSX_BUILTIN_LXVP
4662         and VSX_BUILTIN_STXVP.
4663
4664 2021-07-07  Martin Sebor  <msebor@redhat.com>
4665
4666         PR target/101363
4667         * config/aarch64/aarch64.c (aarch64_simd_lane_bounds): Remove
4668         a stray %K from error_at() missed in r12-2088.
4669
4670 2021-07-07  Richard Biener  <rguenther@suse.de>
4671
4672         PR tree-optimization/99728
4673         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Record
4674         aggregate copies.
4675         (mem_refs_may_alias_p): Add assert we handled aggregate
4676         copies elsewhere.
4677         (sm_seq_valid_bb): Give up when running into aggregate copies.
4678         (ref_indep_loop_p): Handle aggregate copies as never
4679         being invariant themselves but allow other refs to be
4680         disambiguated against them.
4681         (can_sm_ref_p): Do not try to apply store-motion to aggregate
4682         copies.
4683
4684 2021-07-06  Indu Bhagat  <indu.bhagat@oracle.com>
4685
4686         PR debug/101283
4687         * dwarf2ctf.c (ctf_get_AT_data_member_location): Multiply by 8 to get
4688         number of bits.
4689
4690 2021-07-06  Martin Sebor  <msebor@redhat.com>
4691
4692         * gimple-pretty-print.c (percent_G_format): Remove.
4693         * tree-diagnostic.c (default_tree_printer): Remove calls.
4694         * tree-pretty-print.c (percent_K_format): Remove.
4695         * tree-pretty-print.h (percent_K_format): Remove.
4696
4697 2021-07-06  Martin Sebor  <msebor@redhat.com>
4698
4699         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_builtin):
4700         Remove %K and use error_at.
4701         (aarch64_expand_fcmla_builtin): Same.
4702         (aarch64_expand_builtin_tme): Same.
4703         (aarch64_expand_builtin_memtag): Same.
4704         * config/arm/arm-builtins.c (arm_expand_acle_builtin): Same.
4705         (arm_expand_builtin): Same.
4706         * config/arm/arm.c (bounds_check): Same.
4707
4708 2021-07-06  Martin Sebor  <msebor@redhat.com>
4709
4710         * builtins.c (warn_string_no_nul): Remove %G.
4711         (maybe_warn_for_bound): Same.
4712         (warn_for_access): Same.
4713         (check_access): Same.
4714         (check_strncat_sizes): Same.
4715         (expand_builtin_strncat): Same.
4716         (expand_builtin_strncmp): Same.
4717         (expand_builtin): Same.
4718         (expand_builtin_object_size): Same.
4719         (warn_dealloc_offset): Same.
4720         (maybe_emit_free_warning): Same.
4721         * calls.c (maybe_warn_alloc_args_overflow): Same.
4722         (maybe_warn_nonstring_arg): Same.
4723         (maybe_warn_rdwr_sizes): Same.
4724         * expr.c (expand_expr_real_1): Remove %K.
4725         * gimple-fold.c (gimple_fold_builtin_strncpy): Remove %G.
4726         (gimple_fold_builtin_strncat): Same.
4727         * gimple-ssa-sprintf.c (format_directive): Same.
4728         (handle_printf_call): Same.
4729         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Same.
4730         * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
4731         (maybe_diag_access_bounds): Same.  Call gimple_location.
4732         (check_bounds_or_overlap): Same.
4733         * trans-mem.c (ipa_tm_scan_irr_block): Remove %K.  Simplify.
4734         * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Remove %G.
4735         * tree-ssa-strlen.c (maybe_warn_overflow): Same.
4736         (maybe_diag_stxncpy_trunc): Same.
4737         (handle_builtin_stxncpy_strncat): Same.
4738         (maybe_warn_pointless_strcmp): Same.
4739         * tree-ssa-uninit.c (maybe_warn_operand): Same.
4740
4741 2021-07-06  Uroš Bizjak  <ubizjak@gmail.com>
4742
4743         PR target/97194
4744         * config/i386/predicates.md (vec_setm_operand): Enable
4745         register_operand for TARGET_SSE4_1.
4746         * config/i386/mmx.md (vec_setv2hi): Use vec_setm_operand
4747         as operand 2 predicate.  Call ix86_expand_vector_set_var
4748         for non-constant index operand.
4749         (vec_setv4qi): Use vec_setm_mmx_operand as operand 2 predicate.
4750         Call ix86_expand_vector_set_var for non-constant index operand.
4751
4752 2021-07-06  Jeff Law  <jeffreyalaw@gmail.com>
4753
4754         * config/h8300/jumpcall.md (*branch): When possible, generate
4755         the comparison in CCZN mode.
4756         * config/h8300/predicates.md (simple_memory_operand): Reject all
4757         auto-increment addressing modes.
4758
4759 2021-07-06  Iain Sandoe  <iain@sandoe.co.uk>
4760
4761         PR bootstrap/100246
4762         * config/i386/i386.h (struct stringop_algs): Define a CTOR for
4763         this type.
4764
4765 2021-07-06  Richard Biener  <rguenther@suse.de>
4766
4767         * doc/md.texi (vec_fmaddsub<mode>4): Document.
4768         (vec_fmsubadd<mode>4): Likewise.
4769         * optabs.def (vec_fmaddsub$a4): Add.
4770         (vec_fmsubadd$a4): Likewise.
4771         * internal-fn.def (IFN_VEC_FMADDSUB): Add.
4772         (IFN_VEC_FMSUBADD): Likewise.
4773         * tree-vect-slp-patterns.c (addsub_pattern::recognize):
4774         Refactor to handle IFN_VEC_FMADDSUB and IFN_VEC_FMSUBADD.
4775         (addsub_pattern::build): Likewise.
4776         * tree-vect-slp.c (vect_optimize_slp): CFN_VEC_FMADDSUB
4777         and CFN_VEC_FMSUBADD are not transparent for permutes.
4778         * config/i386/sse.md (vec_fmaddsub<mode>4): New expander.
4779         (vec_fmsubadd<mode>4): Likewise.
4780
4781 2021-07-06  Richard Biener  <rguenther@suse.de>
4782
4783         * doc/invoke.texi (fmove-loop-stores): Document.
4784         * common.opt (fmove-loop-stores): New option.
4785         * opts.c (default_options_table): Enable -fmove-loop-stores
4786         at -O1 but not -Og.
4787         * tree-ssa-loop-im.c (pass_lim::execute): Pass
4788         flag_move_loop_stores instead of true to
4789         loop_invariant_motion_in_fun.
4790
4791 2021-07-06  Iain Sandoe  <iain@sandoe.co.uk>
4792
4793         * doc/install.texi: Document --with-dsymutil.
4794
4795 2021-07-06  Andrew Pinski  <apinski@marvell.com>
4796
4797         PR tree-optimization/101256
4798         * dbgcnt.def (phiopt_edge_range): New counter.
4799         * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
4800         Check to make sure the new name is defined in the same
4801         bb as the conditional before duplicating range info.
4802         Also add debug counter.
4803
4804 2021-07-06  Kewen Lin  <linkw@linux.ibm.com>
4805
4806         PR rtl-optimization/100328
4807         * config/i386/i386-options.c (ix86_option_override_internal):
4808         Set param_ira_consider_dup_in_all_alts to 0.
4809
4810 2021-07-06  Kewen Lin  <linkw@linux.ibm.com>
4811
4812         PR rtl-optimization/100328
4813         * doc/invoke.texi (ira-consider-dup-in-all-alts): Document new
4814         parameter.
4815         * ira.c (ira_get_dup_out_num): Adjust as parameter
4816         param_ira_consider_dup_in_all_alts.
4817         * params.opt (ira-consider-dup-in-all-alts): New.
4818         * ira-conflicts.c (process_regs_for_copy): Add one parameter
4819         single_input_op_has_cstr_p.
4820         (get_freq_for_shuffle_copy): New function.
4821         (add_insn_allocno_copies): Adjust as single_input_op_has_cstr_p.
4822         * ira-int.h (ira_get_dup_out_num): Add one bool parameter.
4823
4824 2021-07-05  Jeff Law  <jeffreyalaw@gmail.com>
4825
4826         * config/h8300/shiftrotate.md (shift-by-variable patterns): Update to
4827         generate condition code aware RTL directly.
4828
4829 2021-07-05  Andrew Pinski  <apinski@marvell.com>
4830
4831         PR tree-optimization/101039
4832         * match.pd (A CMP 0 ? A : -A): New patterns.
4833         * tree-ssa-phiopt.c (abs_replacement): Delete function.
4834         (tree_ssa_phiopt_worker): Don't call abs_replacement.
4835         Update comment about abs_replacement.
4836
4837 2021-07-05  Andrew Pinski  <apinski@marvell.com>
4838
4839         * tree-ssa-phiopt.c (gimple_simplify_phiopt):
4840         If "A ? B : C" fails to simplify, try "(!A) ? C : B".
4841
4842 2021-07-05  Andrew Pinski  <apinski@marvell.com>
4843
4844         * tree-ssa-phiopt.c (match_simplify_replacement):
4845         Add early_p argument. Call gimple_simplify_phiopt
4846         instead of gimple_simplify.
4847         (tree_ssa_phiopt_worker): Update call to
4848         match_simplify_replacement and allow unconditionally.
4849         (phiopt_early_allow): New function.
4850         (gimple_simplify_phiopt): New function.
4851
4852 2021-07-05  Andrew Pinski  <apinski@marvell.com>
4853
4854         PR middle-end/101237
4855         * fold-const.c (negate_expr_p): Remove call to element_mode
4856         and TREE_MODE/TREE_TYPE when calling HONOR_SIGNED_ZEROS,
4857         HONOR_SIGN_DEPENDENT_ROUNDING, and HONOR_SNANS.
4858         (fold_negate_expr_1): Likewise.
4859         (const_unop): Likewise.
4860         (fold_cond_expr_with_comparison): Likewise.
4861         (fold_binary_loc): Likewise.
4862         (fold_ternary_loc): Likewise.
4863         (tree_call_nonnegative_warnv_p): Likewise.
4864         * match.pd (-(A + B) -> (-B) - A): Likewise.
4865
4866 2021-07-05  Iain Sandoe  <iain@sandoe.co.uk>
4867
4868         * configure.ac: Handle --with-dsymutil in the same way as we
4869         do for the assembler and linker.  (DEFAULT_DSYMUTIL): New.
4870         Extract the type and version for the dsymutil configured or
4871         found by the default searches.
4872         * config.in: Regenerated.
4873         * configure: Regenerated.
4874         * collect2.c (do_dsymutil): Handle locating dsymutil in the
4875         same way as for the assembler and  linker.
4876         * config/darwin.h (DSYMUTIL): Delete.
4877         * gcc.c: Report a configured dsymutil correctly.
4878         * exec-tool.in: Allow for dsymutil.
4879
4880 2021-07-05  Uroš Bizjak  <ubizjak@gmail.com>
4881
4882         * config/i386/i386-expand.c (ix86_split_mmx_punpck):
4883         Handle V4QI and V2HI modes.
4884         (expand_vec_perm_blend): Allow 4-byte vector modes with TARGET_SSE4_1.
4885         Handle V4QI mode. Emit mmx_pblendvb32 for 4-byte modes.
4886         (expand_vec_perm_pshufb): Rewrite to use switch statemets.
4887         Handle 4-byte dual operands with TARGET_XOP and single operands
4888         with TARGET_SSSE3.  Emit mmx_ppermv32 for TARGET_XOP and
4889         mmx_pshufbv4qi3 for TARGET_SSSE3.
4890         (expand_vec_perm_pblendv): Allow 4-byte vector modes with TARGET_SSE4_1.
4891         (expand_vec_perm_interleave2): Allow 4-byte vector modes.
4892         (expand_vec_perm_pshufb2): Allow 4-byte vector modes with TARGET_SSSE3.
4893         (expand_vec_perm_even_odd_1): Handle V4QI mode.
4894         (expand_vec_perm_broadcast_1): Handle V4QI mode.
4895         (ix86_vectorize_vec_perm_const): Handle V4QI mode.
4896         * config/i386/mmx.md (mmx_ppermv32): New insn pattern.
4897         (mmx_pshufbv4qi3): Ditto.
4898         (*mmx_pblendw32): Ditto.
4899         (*mmx_pblendw64): Rename from *mmx_pblendw.
4900         (mmx_punpckhbw_low): New insn_and_split pattern.
4901         (mmx_punpcklbw_low): Ditto.
4902
4903 2021-07-05  Richard Biener  <rguenther@suse.de>
4904
4905         * tree-vect-loop-manip.c (vect_loop_versioning): Do not
4906         set LOOP_C_INFINITE on the vectorized loop.
4907
4908 2021-07-05  Richard Biener  <rguenther@suse.de>
4909
4910         PR middle-end/101291
4911         * cfgloopmanip.c (loop_version): Set the loop copy of the
4912         versioned loop to the new loop.
4913
4914 2021-07-04  Iain Sandoe  <iain@sandoe.co.uk>
4915
4916         PR target/100269
4917         * config.gcc: Ensure that Darwin biarch definitions are
4918         added before i386.h.
4919         * config/i386/darwin.h (TARGET_64BIT): Remove.
4920         (PR80556_WORKAROUND): New.
4921         (REAL_LIBGCC_SPEC): Amend to use PR80556_WORKAROUND.
4922         (DARWIN_SUBARCH_SPEC): New.
4923         * config/i386/darwin32-biarch.h (TARGET_64BIT_DEFAULT,
4924         TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4925         (REAL_LIBGCC_SPEC): Remove.
4926         * config/i386/darwin64-biarch.h (TARGET_64BIT_DEFAULT,
4927         TARGET_BI_ARCH, PR80556_WORKAROUND): New.
4928         (REAL_LIBGCC_SPEC): Remove.
4929
4930 2021-07-03  H.J. Lu  <hjl.tools@gmail.com>
4931
4932         PR middle-end/101294
4933         * expr.c (store_constructor): Don't use vec_duplicate on vector.
4934
4935 2021-07-02  Martin Sebor  <msebor@redhat.com>
4936
4937         PR middle-end/98871
4938         PR middle-end/98512
4939         * diagnostic.c (get_any_inlining_info): New.
4940         (update_effective_level_from_pragmas): Handle inlining context.
4941         (diagnostic_enabled): Same.
4942         (diagnostic_report_diagnostic): Same.
4943         * diagnostic.h (struct diagnostic_info): Add ctor.
4944         (struct diagnostic_context): Add new member.
4945         * tree-diagnostic.c (set_inlining_locations): New.
4946         (tree_diagnostics_defaults): Set new callback pointer.
4947
4948 2021-07-02  Peter Bergner  <bergner@linux.ibm.com>
4949
4950         * config/rs6000/rs6000-builtin.def (BU_MMA_PAIR_LD, BU_MMA_PAIR_ST):
4951         New macros.
4952         (__builtin_vsx_lxvp, __builtin_vsx_stxvp): New built-ins.
4953         * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Expand
4954         lxvp and stxvp built-ins.
4955         (mma_init_builtins): Handle lxvp and stxvp built-ins.
4956         (builtin_function_type): Likewise.
4957         * doc/extend.texi (__builtin_vsx_lxvp, __builtin_mma_stxvp): Document.
4958
4959 2021-07-02  Jeff Law  <jeffreyalaw@gmail.com>
4960
4961         * config/h8300/h8300-protos.h (compute_a_shift_cc): Accept
4962         additional argument for the code.
4963         * config/h8300/h8300.c (compute_a_shift_cc): Accept additional
4964         argument for the code.  Just return if the ZN bits are useful or
4965         not rather than the old style CC_* enums.
4966         * config/h8300/shiftrotate.md (shiftqi_noscratch): Move before
4967         more generic shiftqi patterns.
4968         (shifthi_noscratch, shiftsi_noscratch): Similarly.
4969         (shiftqi_noscratch_set_flags): New pattern.
4970         (shifthi_noscratch_set_flags, shiftsi_noscratch_set_flags): Likewise.
4971
4972 2021-07-02  Andrew MacLeod  <amacleod@redhat.com>
4973
4974         PR tree-optimization/101223
4975         * range-op.cc (build_lt): Add -1 for signed values.
4976         (built_gt): Subtract -1 for signed values.
4977
4978 2021-07-02  David Faust  <david.faust@oracle.com>
4979
4980         * btfout.c (get_btf_kind): Support BTF_KIND_FLOAT.
4981         (btf_asm_type): Likewise.
4982
4983 2021-07-02  Jeff Law  <jeffreyalaw@gmail.com>
4984
4985         * config/h8300/h8300-protos.h (output_a_shift): Make first argument
4986         an array of rtx rather than a pointer to rtx.  Add code argument.
4987         (compute_a_shift_length): Similarly.
4988         * config/h8300/h8300.c (h8300_shift_costs): Adjust now that the
4989         shift itself isn't an operand.  Create dummy operand[0] to carry
4990         a mode and pass a suitable rtx code to compute_a_shift_length.
4991         (get_shift_alg): Adjust operand number of clobber in output templates.
4992         (output_a_shift): Make first argument an array of rtx rather than
4993         a pointer to rtx.  Add code argument for the type of shift.
4994         Adjust now that the shift itself is no longer an operand.
4995         (compute_a_shift_length): Similarly.
4996         * config/h8300/shiftrotate.md (shiftqi, shifthi, shiftsi): Use an
4997         iterator rather than nshift_operator.
4998         (shiftqi_noscratch, shifthi_noscratch, shiftsi_noscratch): Likewise.
4999         (shiftqi_clobber_flags): Adjust to API changes in output_a_shift
5000         and compute_a_shift_length.
5001         (shiftqi_noscratch_clobber_flags): Likewise.
5002         (shifthi_noscratch_clobber_flags): Likewise.
5003         (shiftsi_noscratch_clobber_flags): Likewise.
5004
5005 2021-07-02  Iain Sandoe  <iain@sandoe.co.uk>
5006
5007         PR debug/101283
5008         * config/darwin.h (DSYMUTIL_SPEC): Do not try to run
5009         dsymutil for BTF/CTF.
5010
5011 2021-07-02  Iain Sandoe  <iain@sandoe.co.uk>
5012
5013         PR debug/101283
5014         * config/darwin.h (CTF_INFO_SECTION_NAME): Update the
5015         segment to include BTF.
5016         (BTF_INFO_SECTION_NAME): New.
5017
5018 2021-07-02  Jeff Law  <jeffreyalaw@gmail.com>
5019
5020         * config/m32r/m32r-protos.h (call_operand): Adjust return type.
5021         (small_data_operand, memreg_operand, small_insn_p): Likewise.
5022         * config/m32r/m32r.c (call_operand): Adjust return type.
5023         (small_data_operand, memreg_operand): Likewise.
5024
5025 2021-07-02  Jeff Law  <jeffreyalaw@gmail.com>
5026
5027         * config/frv/frv-protos.h  (integer_register_operand): Adjust return
5028         type.
5029         (frv_load_operand, gpr_or_fpr_operand, gpr_no_subreg_operand): Likewise.
5030         (fpr_or_int6_operand, gpr_or_int_operand); Likewise.
5031         (gpr_or_int12_operand, gpr_or_int10_operand); Likewise.
5032         (move_source_operand, move_destination_operand): Likewise.
5033         (condexec_source_operand, condexec_dest_operand): Likewise.
5034         (lr_operand, gpr_or_memory_operand, fpr_or_memory_operand): Likewise.
5035         (reg_or_0_operand, fcc_operand, icc_operand, cc_operand): Likewise.
5036         (fcr_operand, icr_operand, cr_operand, call_operand): Likewise.
5037         (fpr_operand, even_reg_operand, odd_reg_operand): Likewise.
5038         (even_gpr_operand, odd_gpr_operand, quad_fpr_operand): Likewise.
5039         (even_fpr_operand, odd_fpr_operand): Likewise.
5040         (dbl_memory_one_insn_operand, dbl_memory_two_insn_operand): Likewise.
5041         (int12_operand, int6_operand, int5_operand, uint5_operand): Likewise.
5042         (uint4_operand, uint1_operand, int_2word_operand): Likewise
5043         (upper_int16_operand, uint16_operand, symbolic_operand): Likewise.
5044         (relational_operator, float_relational_operator): Likewise.
5045         (ccr_eqne_operator, minmax_operator): Likewise.
5046         (condexec_si_binary_operator, condexec_si_media_operator): Likewise.
5047         (condexec_si_divide_operator, condexec_si_unary_operator): Likewise.
5048         (condexec_sf_conv_operator, condexec_sf_add_operator): Likewise.
5049         (intop_compare_operator, acc_operand, even_acc_operand): Likewise.
5050         (quad_acc_operand, accg_operand): Likewise.
5051
5052 2021-07-02  Jeff Law  <jeffreyalaw@gmail.com>
5053
5054         * config/stormy16/stormy16-protos.h (xstormy16_below_100_symbol): Change
5055         return type to a bool.
5056         (nonimmediate_nonstack_operand): Likewise.
5057         (xstormy16_splittable_below100_operand): Likewise.
5058         * config/stormy16/stormy16.c (xstormy16_below_100_symbol): Fix
5059         return type.
5060         (xstormy16_splittable_below100_operand): Likewise.
5061
5062 2021-07-02  Richard Biener  <rguenther@suse.de>
5063
5064         PR tree-optimization/101293
5065         * tree-ssa-loop-im.c (mem_ref_hasher::equal): Compare MEM_REF bases
5066         with combined offsets.
5067         (gather_mem_refs_stmt): Hash MEM_REFs as if their offset were
5068         combined with the rest of the offset.
5069
5070 2021-07-02  Eric Botcazou  <ebotcazou@adacore.com>
5071
5072         * config/i386/i386.c (asm_preferred_eh_data_format): Always use the
5073         PIC encodings for PE-COFF targets.
5074
5075 2021-07-02  Jakub Jelinek  <jakub@redhat.com>
5076
5077         PR target/101286
5078         * config/i386/i386-expand.c (ix86_broadcast_from_integer_constant):
5079         Return nullptr for TImode inner mode.
5080
5081 2021-07-02  Richard Biener  <rguenther@suse.de>
5082
5083         PR tree-optimization/101280
5084         PR tree-optimization/101173
5085         * gimple-loop-interchange.cc
5086         (tree_loop_interchange::valid_data_dependences): Properly
5087         guard all dependence checks with DDR_REVERSED_P or its
5088         inverse.
5089
5090 2021-07-02  Hongyu Wang  <hongyu.wang@intel.com>
5091
5092         * config/i386/i386-expand.c (ix86_expand_builtin):
5093         Add branch to clear odata when ZF is set for asedecenc_expand
5094         and wideaesdecenc_expand.
5095
5096 2021-07-02  Eugene Rozenfeld  <erozen@microsoft.com>
5097
5098         * config/i386/gcc-auto-profile: regenerate
5099
5100 2021-07-02  liuhongt  <hongtao.liu@intel.com>
5101
5102         * config/i386/sse.md (trunc<mode><pmov_dst_4>2): Refined to ..
5103         (trunc<mode><pmov_dst_4_lower>2): this.
5104
5105 2021-07-01  David Malcolm  <dmalcolm@redhat.com>
5106
5107         * diagnostic.h (diagnostic_context::m_file_cache): New field.
5108         * input.c (class fcache): Rename to...
5109         (class file_cache_slot): ...this, making most members private and
5110         prefixing fields with "m_".
5111         (file_cache_slot::get_file_path): New accessor.
5112         (file_cache_slot::get_use_count): New accessor.
5113         (file_cache_slot::missing_trailing_newline_p): New accessor.
5114         (file_cache_slot::inc_use_count): New.
5115         (fcache_buffer_size): Move to...
5116         (file_cache_slot::buffer_size): ...here.
5117         (fcache_line_record_size): Move to...
5118         (file_cache_slot::line_record_size): ...here.
5119         (fcache_tab): Delete, in favor of global_dc->m_file_cache.
5120         (fcache_tab_size): Move to file_cache::num_file_slots.
5121         (diagnostic_file_cache_init): Update for move of fcache_tab
5122         to global_dc->m_file_cache.
5123         (diagnostic_file_cache_fini): Likewise.
5124         (lookup_file_in_cache_tab): Convert to...
5125         (file_cache::lookup_file): ...this.
5126         (diagnostics_file_cache_forcibly_evict_file): Update for move of
5127         fcache_tab to global_dc->m_file_cache, moving most of
5128         implementation to...
5129         (file_cache::forcibly_evict_file): ...this new function and...
5130         (file_cache_slot::evict): ...this new function.
5131         (evicted_cache_tab_entry): Convert to...
5132         (file_cache::evicted_cache_tab_entry): ...this.
5133         (add_file_to_cache_tab): Convert to...
5134         (file_cache::add_file): ...this, moving bulk of implementation
5135         to...
5136         (file_cache_slot::create): ..this new function.
5137         (file_cache::file_cache): New.
5138         (file_cache::~file_cache): New.
5139         (lookup_or_add_file_to_cache_tab): Convert to...
5140         (file_cache::lookup_or_add_file): ..this new function.
5141         (fcache::fcache): Rename to...
5142         (file_cache_slot::file_cache_slot): ...this, adding "m_" prefixes
5143         to fields.
5144         (fcache::~fcache): Rename to...
5145         (file_cache_slot::~file_cache_slot): ...this, adding "m_" prefixes
5146         to fields.
5147         (needs_read): Convert to...
5148         (file_cache_slot::needs_read_p): ...this.
5149         (needs_grow): Convert to...
5150         (file_cache_slot::needs_grow_p): ...this.
5151         (maybe_grow): Convert to...
5152         (file_cache_slot::maybe_grow): ...this.
5153         (read_data): Convert to...
5154         (file_cache_slot::read_data): ...this.
5155         (maybe_read_data): Convert to...
5156         (file_cache_slot::maybe_read_data): ...this.
5157         (get_next_line): Convert to...
5158         (file_cache_slot::get_next_line): ...this.
5159         (goto_next_line): Convert to...
5160         (file_cache_slot::goto_next_line): ...this.
5161         (read_line_num): Convert to...
5162         (file_cache_slot::read_line_num): ...this.
5163         (location_get_source_line): Update for moving of globals to
5164         global_dc->m_file_cache.
5165         (location_missing_trailing_newline): Likewise.
5166         * input.h (class file_cache_slot): New forward decl.
5167         (class file_cache): New.
5168
5169 2021-07-01  Michael Meissner  <meissner@linux.ibm.com>
5170
5171         * config/rs6000/rs6000.c (rs6000_maybe_emit_fp_cmove): Add IEEE
5172         128-bit floating point conditional move support.
5173         (have_compare_and_set_mask): Add IEEE 128-bit floating point
5174         types.
5175         * config/rs6000/rs6000.md (mov<mode>cc, IEEE128 iterator): New insn.
5176         (mov<mode>cc_p10, IEEE128 iterator): New insn.
5177         (mov<mode>cc_invert_p10, IEEE128 iterator): New insn.
5178         (fpmask<mode>, IEEE128 iterator): New insn.
5179         (xxsel<mode>, IEEE128 iterator): New insn.
5180
5181 2021-07-01  Iain Sandoe  <iain@sandoe.co.uk>
5182
5183         PR debug/101283
5184         * config/darwin.h (CTF_INFO_SECTION_NAME): New.
5185
5186 2021-07-01  H.J. Lu  <hjl.tools@gmail.com>
5187
5188         * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
5189         Make it global.
5190         * config/i386/i386-protos.h (ix86_expand_vector_init_duplicate):
5191         New prototype.
5192         * config/i386/sse.md (INT_BROADCAST_MODE): New mode iterator.
5193         (vec_duplicate<mode>): New expander.
5194
5195 2021-07-01  H.J. Lu  <hjl.tools@gmail.com>
5196
5197         PR target/100865
5198         * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
5199         New prototype.
5200         (ix86_byte_broadcast): New function.
5201         (ix86_convert_const_wide_int_to_broadcast): Likewise.
5202         (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode
5203         size is 16 bytes or bigger.
5204         (ix86_broadcast_from_integer_constant): New function.
5205         (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR
5206         to broadcast if mode size is 16 bytes or bigger.
5207         * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New
5208         prototype.
5209         * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function.
5210
5211 2021-07-01  Uroš Bizjak  <ubizjak@gmail.com>
5212
5213         * config/i386/predicates.md (ix86_endbr_immediate_operand):
5214         Return true/false instead of 1/0.
5215         (movq_parallel): Ditto.
5216
5217 2021-07-01  Uroš Bizjak  <ubizjak@gmail.com>
5218
5219         * recog.c (general_operand): Return true/false instead of 1/0.
5220         (register_operand): Ditto.
5221         (immediate_operand): Ditto.
5222         (const_int_operand): Ditto.
5223         (const_scalar_int_operand): Ditto.
5224         (const_double_operand): Ditto.
5225         (push_operand): Ditto.
5226         (pop_operand): Ditto.
5227         (memory_operand): Ditto.
5228         (indirect_operand): Ditto.
5229
5230 2021-07-01  Uroš Bizjak  <ubizjak@gmail.com>
5231
5232         * genpreds.c (write_predicate_subfunction):
5233         Change the type of written subfunction to bool.
5234         (write_one_predicate_function):
5235         Change the type of written function to bool.
5236         (write_tm_preds_h): Ditto.
5237         * recog.h (*insn_operand_predicate_fn): Change the type to bool.
5238         * recog.c (general_operand): Change the type to bool.
5239         (address_operand): Ditto.
5240         (register_operand): Ditto.
5241         (pmode_register_operand): Ditto.
5242         (scratch_operand): Ditto.
5243         (immediate_operand): Ditto.
5244         (const_int_operand): Ditto.
5245         (const_scalar_int_operand): Ditto.
5246         (const_double_operand): Ditto.
5247         (nonimmediate_operand): Ditto.
5248         (nonmemory_operand): Ditto.
5249         (push_operand): Ditto.
5250         (pop_operand): Ditto.
5251         (memory_operand): Ditto.
5252         (indirect_operand): Ditto.
5253         (ordered_comparison_operator): Ditto.
5254         (comparison_operator): Ditto.
5255         * config/i386/i386-expand.c (ix86_expand_sse_cmp):
5256         Change the type of indirect predicate function to bool.
5257         * config/rs6000/rs6000.c (easy_vector_constant):
5258         Change the type to bool.
5259         * config/mips/mips-protos.h (m16_based_address_p):
5260         Change the type of operand 3 to bool.
5261
5262 2021-07-01  Richard Biener  <rguenther@suse.de>
5263
5264         PR tree-optimization/101280
5265         PR tree-optimization/101173
5266         * gimple-loop-interchange.cc
5267         (tree_loop_interchange::valid_data_dependences): Revert
5268         previous change and instead correctly handle DDR_REVERSED_P
5269         dependence.
5270
5271 2021-07-01  Richard Biener  <rguenther@suse.de>
5272
5273         PR tree-optimization/101278
5274         * tree-ssa-dse.c (dse_classify_store): First check for
5275         uses, then ignore stmt for chaining purposes.
5276
5277 2021-07-01  Richard Biener  <rguenther@suse.de>
5278
5279         PR tree-optimization/100778
5280         * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
5281         vectorized ops ahead of their scalar BB.
5282
5283 2021-07-01  Uroš Bizjak  <ubizjak@gmail.com>
5284
5285         PR target/101044
5286         * config/i386/i386.md (*nabs<dwi>2_doubleword):
5287         New insn_and_split pattern.
5288         (*nabs<dwi>2_1): Ditto.
5289         * config/i386/i386-features.c
5290         (general_scalar_chain::compute_convert_gain):
5291         Handle (NEG (ABS (...))) RTX.  Rewrite src code
5292         scanner as switch statement.
5293         (general_scalar_chain::convert_insn):
5294         Handle (NEG (ABS (...))) RTX.
5295         (general_scalar_to_vector_candidate_p):
5296         Detect  (NEG (ABS (...))) RTX.  Reorder case statements
5297         for (AND (NOT (...) ...)) fallthrough.
5298
5299 2021-07-01  Richard Biener  <rguenther@suse.de>
5300
5301         PR tree-optimization/101178
5302         * tree-vect-slp.c (slpg_vertex::materialize): Remove.
5303         (slpg::perm_in): Add.
5304         (slpg::get_perm_in): Remove.
5305         (slpg::get_perm_materialized): Add.
5306         (vect_optimize_slp): Handle VEC_PERM nodes more optimally
5307         during permute propagation and materialization.
5308
5309 2021-07-01  Jakub Jelinek  <jakub@redhat.com>
5310
5311         PR debug/101266
5312         * dwarf2out.c (loc_list_from_tree_1): Handle COMPOUND_LITERAL_EXPR.
5313
5314 2021-07-01  Jakub Jelinek  <jakub@redhat.com>
5315
5316         PR middle-end/94366
5317         * omp-low.c (lower_rec_input_clauses): Rename is_fp_and_or to
5318         is_truth_op, set it for TRUTH_*IF_EXPR regardless of new_var's type,
5319         use boolean_type_node instead of integer_type_node as NE_EXPR type.
5320         (lower_reduction_clauses): Likewise.
5321
5322 2021-06-30  Hafiz Abid Qadeer  <abidh@codesourcery.com>
5323
5324         * config/gcn/gcn.c: Include dwarf2.h.
5325         (gcn_addr_space_debug): New function.
5326         (TARGET_ADDR_SPACE_DEBUG): New hook.
5327
5328 2021-06-30  Hafiz Abid Qadeer  <abidh@codesourcery.com>
5329
5330         * common/config/gcn/gcn-common.c
5331         (gcn_option_optimization_table): Change OPT_fomit_frame_pointer to -O3.
5332         * config/gcn/gcn.c (gcn_expand_prologue): Prefer the frame pointer
5333         when emitting CFI.
5334         (gcn_expand_prologue): Prefer the frame pointer when emitting CFI.
5335         (gcn_frame_pointer_rqd): New function.
5336         (TARGET_FRAME_POINTER_REQUIRED): New hook.
5337
5338 2021-06-30  Hafiz Abid Qadeer  <abidh@codesourcery.com>
5339
5340         * config/gcn/gcn.c (move_callee_saved_registers): Emit CFI notes for
5341         prologue register saves.
5342         (gcn_debug_unwind_info): Use UI_DWARF2.
5343         (gcn_dwarf_register_number): Map DWARF_LINK_REGISTER to DWARF PC.
5344         (gcn_dwarf_register_span): DWARF_LINK_REGISTER doesn't span.
5345         * config/gcn/gcn.h: (DWARF_FRAME_RETURN_COLUMN): New define.
5346         (DWARF_LINK_REGISTER): New define.
5347         (FIRST_PSEUDO_REGISTER): Increment.
5348         (FIXED_REGISTERS): Add entry for DWARF_LINK_REGISTER.
5349         (CALL_USED_REGISTERS): Likewise.
5350         (REGISTER_NAMES): Likewise.
5351
5352 2021-06-30  Richard Biener  <rguenther@suse.de>
5353
5354         PR tree-optimization/101267
5355         * tree-vect-stmts.c (vect_check_scalar_mask): Adjust
5356         API and use SLP compatible interface of vect_is_simple_use.
5357         Reject not vectorized SLP defs for callers that do not support
5358         that.
5359         (vect_check_store_rhs): Handle masked stores and pass down
5360         the appropriate operator index.
5361         (vectorizable_call): Adjust.
5362         (vectorizable_store): Likewise.
5363         (vectorizable_load): Likewise.  Handle SLP pecularity of
5364         masked loads.
5365         (vect_is_simple_use): Remove special-casing of masked stores.
5366
5367 2021-06-30  Tobias Burnus  <tobias@codesourcery.com>
5368
5369         * common.opt (foffload): Remove help as Driver only.
5370         * gcc.c (display_help): Add -foffload.
5371
5372 2021-06-30  Tobias Burnus  <tobias@codesourcery.com>
5373
5374         * gcc.c (close_at_file, execute): Replace alloca by XALLOCAVEC.
5375         (check_offload_target_name): Fix splitting OFFLOAD_TARGETS into
5376         a candidate list; better inform no offload target is configured
5377         and fix hint extraction when passed target is not '\0' at [len].
5378         * common.opt (foffload): Add tailing '.'.
5379         (foffload-options): Likewise; fix flag name in the help string.
5380
5381 2021-06-30  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
5382
5383         PR target/66791
5384         * config/arm/arm_neon.h: Move vabs intrinsics before vcage_f32.
5385         (vcage_f32): Gate comparison on __FAST_MATH__.
5386         (vcageq_f32): Likewise.
5387         (vcale_f32): Likewise.
5388         (vcaleq_f32): Likewise.
5389         (vcagt_f32): Likewise.
5390         (vcagtq_f32): Likewise.
5391         (vcalt_f32): Likewise.
5392         (vcaltq_f32): Likewise.
5393         (vcage_f16): Likewise.
5394         (vcageq_f16): Likewise.
5395         (vcale_f16): Likewise.
5396         (vcaleq_f16): Likewise.
5397         (vcagt_f16): Likewise.
5398         (vcagtq_f16): Likewise.
5399         (vcalt_f16): Likewise.
5400         (vcaltq_f16): Likewise.
5401
5402 2021-06-30  Richard Biener  <rguenther@suse.de>
5403
5404         PR tree-optimization/101264
5405         * tree-vect-slp.c (vect_optimize_slp): Propagate the
5406         computed perm_in to all "any" permute successors
5407         we cannot de-duplicate immediately.
5408
5409 2021-06-30  liuhongt  <hongtao.liu@intel.com>
5410
5411         PR target/101248
5412         * config/i386/sse.md
5413         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>):
5414         Refined to ..
5415         (avx512f_sfixupimm<mode><maskz_scalar_name><round_saeonly_name>):
5416         this.
5417         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>"): Refined.
5418         * config/i386/subst.md (maskz_scalar): New define_subst.
5419         (maskz_scalar_name): New subst_attr.
5420         (maskz_scalar_op5): Ditto.
5421         (round_saeonly_maskz_scalar_op5): Ditto.
5422         (round_saeonly_maskz_scalar_operand5): Ditto.
5423
5424 2021-06-30  David Edelsohn  <dje.gcc@gmail.com>
5425
5426         * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
5427         Increase code CSECT alignment to at least 32 bytes.
5428         * config/rs6000/xcoff.h (TEXT_SECTION_ASM_OP): Add 32 byte
5429         alignment designation.
5430
5431 2021-06-29  Sergei Trofimovich  <siarheit@google.com>
5432
5433         * doc/generic.texi: Fix s/net yet/not yet/ typo.
5434
5435 2021-06-29  Andrew MacLeod  <amacleod@redhat.com>
5436
5437         PR tree-optimization/101254
5438         * range-op.cc (operator_minus::op1_op2_relation_effect): Check for
5439         wrapping/non-wrapping when setting the result range.
5440
5441 2021-06-29  Andrew MacLeod  <amacleod@redhat.com>
5442
5443         * value-query.cc (gimple_range_global): Allow phis.
5444
5445 2021-06-29  Andrew MacLeod  <amacleod@redhat.com>
5446
5447         * vr-values.c (vr_values::vrp_stmt_computes_nonzero): Use stmt.
5448         (simplify_using_ranges::op_with_boolean_value_range_p): Add a
5449         statement for location context.
5450         (check_for_binary_op_overflow): Ditto.
5451         (simplify_using_ranges::get_vr_for_comparison): Ditto.
5452         (simplify_using_ranges::compare_name_with_value): Ditto.
5453         (simplify_using_ranges::compare_names): Ditto.
5454         (vrp_evaluate_conditional_warnv_with_ops_using_ranges): Ditto.
5455         (simplify_using_ranges::simplify_truth_ops_using_ranges): Ditto.
5456         (simplify_using_ranges::simplify_min_or_max_using_ranges): Ditto.
5457         (simplify_using_ranges::simplify_internal_call_using_ranges): Ditto.
5458         (simplify_using_ranges::two_valued_val_range_p): Ditto.
5459         (simplify_using_ranges::simplify): Ditto.
5460         * vr-values.h: Adjust prototypes.
5461
5462 2021-06-29  Uroš Bizjak  <ubizjak@gmail.com>
5463
5464         PR target/95046
5465         * config/i386/mmx.md (vec_addsubv2sf3): New insn pattern.
5466
5467 2021-06-29  Julian Brown  <julian@codesourcery.com>
5468
5469         * config/gcn/gcn.c (gcn_init_libfuncs): New function.
5470         (TARGET_INIT_LIBFUNCS): Define target hook using above function.
5471         * config/gcn/gcn.h (UNITS_PER_WORD): Define to 8 for IN_LIBGCC2, 4
5472         otherwise.
5473         (LIBGCC2_UNITS_PER_WORD, BITS_PER_WORD): Remove definitions.
5474         (MAX_FIXED_MODE_SIZE): Change to 128.
5475
5476 2021-06-29  Julian Brown  <julian@codesourcery.com>
5477
5478         * config/gcn/gcn.md (UNSPEC_FLBIT_INT): New unspec constant.
5479         (s_mnemonic): Add clrsb.
5480         (gcn_flbit<mode>_int): Add insn pattern for SImode/DImode.
5481         (clrsb<mode>2): Add expander for SImode/DImode.
5482
5483 2021-06-29  Julian Brown  <julian@codesourcery.com>
5484
5485         * config/gcn/gcn.md (<su>mulsidi3, <su>mulsidi3_reg, <su>mulsidi3_imm,
5486         muldi3): Add patterns.
5487
5488 2021-06-29  Julian Brown  <julian@codesourcery.com>
5489
5490         * config/gcn/gcn.md (<su>mulsi3_highpart): Change to expander.
5491         (<su>mulsi3_highpart_reg, <su>mulsi3_highpart_imm): New patterns.
5492
5493 2021-06-29  Julian Brown  <julian@codesourcery.com>
5494
5495         * config/gcn/gcn.md (mulsi3): Make s_mulk_i32 variant clobber SCC.
5496
5497 2021-06-29  Joseph Myers  <joseph@codesourcery.com>
5498
5499         * btfout.c, ctfout.c: Include "memmodel.h".
5500
5501 2021-06-29  Tobias Burnus  <tobias@codesourcery.com>
5502
5503         * gcc.c (check_offload_target_name): Cast len argument to
5504         %q.*s to 'int'; avoid -Wstringop-truncation warning.
5505
5506 2021-06-29  Richard Biener  <rguenther@suse.de>
5507
5508         * tree-vect-slp.c (vect_optimize_slp): Forward propagate
5509         to "any" permute nodes and relax "any" permute proapgation
5510         during iterative backward propagation.
5511
5512 2021-06-29  Tobias Burnus  <tobias@codesourcery.com>
5513
5514         PR other/67300
5515         * common.opt (-foffload=): Update description.
5516         (-foffload-options=): New.
5517         * doc/invoke.texi (C Language Options): Document
5518         -foffload and -foffload-options.
5519         * gcc.c (check_offload_target_name): New, split off from
5520         handle_foffload_option.
5521         (check_foffload_target_names): New.
5522         (handle_foffload_option): Handle -foffload=default.
5523         (driver_handle_option): Update for -foffload-options.
5524         * lto-opts.c (lto_write_options): Use -foffload-options
5525         instead of -foffload.
5526         * lto-wrapper.c (merge_and_complain, append_offload_options):
5527         Likewise.
5528         * opts.c (common_handle_option): Likewise.
5529
5530 2021-06-29  Tobias Burnus  <tobias@codesourcery.com>
5531
5532         * doc/invoke.texi (C Language Options): Sort options
5533         alphabetically in optlist and also the description itself.
5534         Remove leftover -fallow-single-precision from and add missing
5535         -fgnu-tm to the optlist.
5536
5537 2021-06-29  Richard Biener  <rguenther@suse.de>
5538
5539         * tree-vect-slp.c (slpg_vertex::visited): Remove.
5540         (vect_slp_perms_eq): Handle -1 permutes.
5541         (vect_optimize_slp): Rewrite permute propagation.
5542
5543 2021-06-29  Jakub Jelinek  <jakub@redhat.com>
5544
5545         PR c++/101210
5546         * match.pd ((intptr_t)x eq/ne CST to x eq/ne (typeof x) CST): Don't
5547         perform the optimization in GENERIC when sanitizing and x has a
5548         reference type.
5549
5550 2021-06-29  Richard Biener  <rguenther@suse.de>
5551
5552         PR tree-optimization/101242
5553         * tree-vect-slp.c (vect_slp_build_vertices): Force-add
5554         PHIs with not represented initial values as leafs.
5555
5556 2021-06-29  Jan-Benedict Glaw  <jbglaw@getslash.de>
5557
5558         * config/pdp11/pdp11.h (ASM_OUTPUT_SKIP): Fix signedness warning.
5559         * config/pdp11/pdp11.c (pdp11_asm_print_operand_punct_valid_p): Remove
5560         "register" keyword.
5561         (pdp11_initial_elimination_offset) Remove unused variable.
5562         (pdp11_cmp_length) Ditto.
5563         (pdp11_insn_cost): Ditto, and fix signedness warning.
5564
5565 2021-06-29  David Edelsohn  <dje.gcc@gmail.com>
5566
5567         * btfout.c: Include tm_p.h.
5568         * ctfout.c: Same.
5569
5570 2021-06-28  Indu Bhagat  <indu.bhagat@oracle.com>
5571
5572         * config/bpf/bpf.c (bpf_expand_prologue): Do not mark insns as
5573         frame related.
5574         (bpf_expand_epilogue): Likewise.
5575         * config/bpf/bpf.h (DWARF2_FRAME_INFO): Define to 0.
5576         Do not define DBX_DEBUGGING_INFO.
5577
5578 2021-06-28  Indu Bhagat  <indu.bhagat@oracle.com>
5579
5580         * doc/invoke.texi: Document the CTF and BTF debug info options.
5581
5582 2021-06-28  Indu Bhagat  <indu.bhagat@oracle.com>
5583             David Faust  <david.faust@oracle.com>
5584             Jose E. Marchesi  <jose.marchesi@oracle.com>
5585             Weimin Pan  <weimin.pan@oracle.com>
5586
5587         * Makefile.in: Add ctfc.*, ctfout.c and btfout.c files to
5588         GTFILES.  Add new object files.
5589         * common.opt: Add CTF and BTF debug info options.
5590         * btfout.c: New file.
5591         * ctfc.c: Likewise.
5592         * ctfc.h: Likewise.
5593         * ctfout.c: Likewise.
5594         * dwarf2ctf.c: Likewise.
5595         * dwarf2ctf.h: Likewise.
5596         * dwarf2cfi.c (dwarf2out_do_frame): Acknowledge CTF_DEBUG and
5597         BTF_DEBUG.
5598         * dwarf2out.c (dwarf2out_source_line): Likewise.
5599         (dwarf2out_finish): Skip emitting DWARF if CTF or BTF are to
5600         be generated.
5601         (debug_format_do_cu): New function.
5602         (dwarf2out_early_finish): Traverse DIEs and emit CTF/BTF for
5603         them if requested.
5604         Include dwarf2ctf.c.
5605         * final.c (dwarf2_debug_info_emitted_p): Acknowledge DWARF-based debug
5606         formats.
5607         * flag-types.h (enum debug_info_type): Add CTF_DEBUG and BTF_DEBUG.
5608         (CTF_DEBUG): New bitmask.
5609         (BTF_DEBUG): Likewise.
5610         (enum ctf_debug_info_levels): New enum.
5611         * gengtype.c (open_base_files): Handle ctfc.h.
5612         (main): Handle uint32_t type.
5613         * flags.h (btf_debuginfo_p): New definition.
5614         (dwarf_based_debuginfo_p): Likewise.
5615         * opts.c (debug_type_names): Add entries for CTF and BTF.
5616         (btf_debuginfo_p): New function.
5617         (dwarf_based_debuginfo_p): Likewise.
5618         (common_handle_option): Handle -gctfN and -gbtf options.
5619         (set_debug_level): Set CTF_DEBUG, BTF_DEBUG whenever appropriate.
5620         * toplev.c (process_options): Inform the user and ignore -gctfLEVEL if
5621         frontend is not C.
5622
5623 2021-06-28  Jose E. Marchesi  <jose.marchesi@oracle.com>
5624
5625         * dwarf2out.c (AT_class): Function is no longer static.
5626         (AT_int): Likewise.
5627         (AT_unsigned): Likewise.
5628         (AT_loc): Likewise.
5629         (get_AT): Likewise.
5630         (get_AT_string): Likewise.
5631         (get_AT_flag): Likewise.
5632         (get_AT_unsigned): Likewise.
5633         (get_AT_ref): Likewise.
5634         (new_die_raw): Likewise.
5635         (lookup_decl_die): Likewise.
5636         (base_type_die): Likewise.
5637         (add_name_attribute): Likewise.
5638         (add_AT_int): Likewise.
5639         (add_AT_unsigned): Likewise.
5640         (add_AT_loc): Likewise.
5641         (dw_get_die_tag): New function.
5642         (dw_get_die_child): Likewise.
5643         (dw_get_die_sib): Likewise.
5644         (struct dwarf_file_data): Move from here to dwarf2out.h
5645         (struct dw_attr_struct): Likewise.
5646         * dwarf2out.h: Analogous changes.
5647
5648 2021-06-28  Martin Jambor  <mjambor@suse.cz>
5649
5650         PR ipa/93385
5651         * ipa-param-manipulation.h (class ipa_param_body_adjustments): New
5652         members m_dead_stmts and m_dead_ssas.
5653         * ipa-param-manipulation.c
5654         (ipa_param_body_adjustments::mark_dead_statements): New function.
5655         (ipa_param_body_adjustments::common_initialization): Call it on
5656         all removed but not split parameters.
5657         (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
5658         new mwmbers.
5659         (ipa_param_body_adjustments::modify_call_stmt): Remove arguments that
5660         are dead.
5661         * tree-inline.c (remap_gimple_stmt): Do not copy dead statements, reset
5662         dead debug statements.
5663         (copy_phis_for_bb): Do not copy dead PHI nodes.
5664
5665 2021-06-28  Martin Jambor  <mjambor@suse.cz>
5666
5667         PR ipa/93385
5668         * symtab-clones.h (clone_info): Removed member param_adjustments.
5669         * ipa-param-manipulation.h: Adjust initial comment to reflect how we
5670         deal with pass-through splits now.
5671         (ipa_param_performed_split): Removed.
5672         (ipa_param_adjustments::modify_call): Adjusted parameters.
5673         (class ipa_param_body_adjustments): Adjusted parameters of
5674         register_replacement, modify_gimple_stmt and modify_call_stmt.
5675         (ipa_verify_edge_has_no_modifications): Declare.
5676         (ipa_edge_modifications_finalize): Declare.
5677         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Remove
5678         performed_splits processing, pas only edge to padjs->modify_call,
5679         check that call arguments were not modified if they should not have
5680         been.
5681         * cgraphclones.c (cgraph_node::create_clone): Do not copy performed
5682         splits.
5683         * ipa-param-manipulation.c (struct pass_through_split_map): New type.
5684         (ipa_edge_modification_info): Likewise.
5685         (ipa_edge_modification_sum): Likewise.
5686         (ipa_edge_modifications): New edge summary.
5687         (ipa_verify_edge_has_no_modifications): New function.
5688         (transitive_split_p): Removed.
5689         (transitive_split_map): Likewise.
5690         (init_transitive_splits): Likewise.
5691         (ipa_param_adjustments::modify_call): Adjusted to use the new edge
5692         summary instead of performed_splits.
5693         (ipa_param_body_adjustments::register_replacement): Drop dummy
5694         parameter, set base_index of the created ipa_param_body_replacement.
5695         (phi_arg_will_live_p): New function.
5696         (ipa_param_body_adjustments::common_initialization): Do not create
5697         IPA_SRA dummy decls.
5698         (simple_tree_swap_info): Removed.
5699         (remap_split_decl_to_dummy): Likewise.
5700         (record_argument_state_1): New function.
5701         (record_argument_state): Likewise.
5702         (ipa_param_body_adjustments::modify_call_stmt): New parameter
5703         orig_stmt.  Do not work with dummy decls, save necessary info about
5704         changes to ipa_edge_modifications.
5705         (ipa_param_body_adjustments::modify_gimple_stmt): New parameter
5706         orig_stmt, pass it to modify_call_stmt.
5707         (ipa_param_body_adjustments::modify_cfun_body): Adjust call to
5708         modify_gimple_stmt.
5709         (ipa_edge_modifications_finalize): New function.
5710         * tree-inline.c (remap_gimple_stmt): Pass original statement to
5711         modify_gimple_stmt.
5712         (copy_phis_for_bb): Do not copy dead PHI nodes.
5713         (expand_call_inline): Do not remap performed_splits.
5714         (update_clone_info): Likewise.
5715         * toplev.c: Include ipa-param-manipulation.h.
5716         (toplev::finalize): Call ipa_edge_modifications_finalize.
5717
5718 2021-06-28  Andrew Pinski  <apinski@marvell.com>
5719
5720         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Duplicate range
5721         info if we're the only things setting the target PHI.
5722         (value_replacement): Don't duplicate range here.
5723         (minmax_replacement): Likewise.
5724
5725 2021-06-28  Richard Biener  <rguenther@suse.de>
5726
5727         PR tree-optimization/101229
5728         * gimple-walk.c (gimple_walk_op): Handle PHIs.
5729
5730 2021-06-28  Martin Liska  <mliska@suse.cz>
5731
5732         * config/v850/v850.c (construct_dispose_instruction): Allocate
5733         a bigger buffer.
5734         (construct_prepare_instruction): Likewise.
5735
5736 2021-06-28  Martin Liska  <mliska@suse.cz>
5737
5738         * config/v850/v850.c (v850_option_override): Build default
5739         target node.
5740         (v850_can_inline_p): New.  Allow MASK_PROLOG_FUNCTION to be
5741         ignored for inlining.
5742         (TARGET_CAN_INLINE_P): New.
5743
5744 2021-06-28  Richard Biener  <rguenther@suse.de>
5745
5746         PR tree-optimization/101207
5747         * tree-vect-slp.c (vect_optimize_slp): Do BB reduction
5748         permute eliding for load permutations properly.
5749
5750 2021-06-28  Richard Biener  <rguenther@suse.de>
5751
5752         PR tree-optimization/101173
5753         * gimple-loop-interchange.cc
5754         (tree_loop_interchange::valid_data_dependences): Disallow outer
5755         loop dependence distance of zero.
5756
5757 2021-06-28  liuhongt  <hongtao.liu@intel.com>
5758
5759         PR target/100648
5760         * config/i386/sse.md (*avx_cmp<mode>3_lt): New
5761         define_insn_and_split.
5762         (*avx_cmp<mode>3_ltint): Ditto.
5763         (*avx2_pcmp<mode>3_3): Ditto.
5764         (*avx2_pcmp<mode>3_4): Ditto.
5765         (*avx2_pcmp<mode>3_5): Ditto.
5766
5767 2021-06-28  liuhongt  <hongtao.liu@intel.com>
5768
5769         * config/i386/i386-builtin.def (IX86_BUILTIN_BLENDVPD256,
5770         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_PBLENDVB256,
5771         IX86_BUILTIN_BLENDVPD, IX86_BUILTIN_BLENDVPS,
5772         IX86_BUILTIN_PBLENDVB128): Replace icode with
5773         CODE_FOR_nothing.
5774         * config/i386/i386.c (ix86_gimple_fold_builtin): Fold blendv
5775         builtins.
5776         * config/i386/sse.md (*<sse4_1_avx2>_pblendvb_lt_subreg_not):
5777         New pre_reload splitter.
5778
5779 2021-06-27  Andrew Pinski  <apinski@marvell.com>
5780
5781         PR middle-end/101230
5782         * fold-const.c (fold_ternary_loc): Check
5783         the return value of invert_tree_comparison.
5784
5785 2021-06-27  David Edelsohn  <dje.gcc@gmail.com>
5786
5787         * config.gcc: Add SPDX License Identifier.
5788         (powerpc-ibm-aix789): Default to aix73.h.
5789         (powerpc-ibm-aix7.2.*.*): New stanza.
5790         * config/rs6000/aix72.h: Add SPDX License Identifier.
5791         * config/rs6000/aix73.h: New file.
5792
5793 2021-06-26  Jason Merrill  <jason@redhat.com>
5794
5795         * except.c: #include "dwarf2.h" instead of "dwarf2out.h".
5796
5797 2021-06-26  Andrew Pinski  <apinski@marvell.com>
5798
5799         * genmatch.c (lower_cond): Copy for_subst_vec
5800         for the simplify also.
5801         (lower): Swap the order for lower_for and lower_cond.
5802
5803 2021-06-26  Andrew Pinski  <apinski@marvell.com>
5804
5805         * tree-ssa-phiopt.c (match_simplify_replacement): Reset
5806         flow senatitive info on the moved ssa set.
5807
5808 2021-06-26  Andrew Pinski  <apinski@marvell.com>
5809
5810         * fold-const.c (fold_cond_expr_with_comparison):
5811         Exand arg0 into comp_code, arg00, and arg01.
5812         (fold_ternary_loc): Use invert_tree_comparison
5813         instead of fold_invert_truthvalue for the case
5814         where we have A CMP B ? C : A.
5815
5816 2021-06-25  Martin Sebor  <msebor@redhat.com>
5817
5818         PR middle-end/101216
5819         * calls.c (maybe_warn_rdwr_sizes): Use the no_warning constant.
5820
5821 2021-06-25  Jeff Law  <jeffreyalaw@gmail.com>
5822
5823         * config/h8300/h8300.c (select_cc_mode): Handle ASHIFTRT and LSHIFTRT.
5824
5825 2021-06-25  Richard Biener  <rguenther@suse.de>
5826
5827         PR tree-optimization/101202
5828         * tree-vect-slp.c (vect_optimize_slp): Explicitely handle
5829         failed nodes.
5830
5831 2021-06-25  Richard Biener  <rguenther@suse.de>
5832
5833         * tree-vect-slp-patterns.c (addsub_pattern::build): Copy
5834         STMT_VINFO_REDUC_DEF from the original representative.
5835
5836 2021-06-25  Martin Sebor  <msebor@redhat.com>
5837
5838         * builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
5839         gimple_no_warning_p and gimple_set_no_warning with
5840         warning_suppressed_p, and suppress_warning.
5841         (c_strlen): Same.
5842         (maybe_warn_for_bound): Same.
5843         (warn_for_access): Same.
5844         (check_access): Same.
5845         (expand_builtin_strncmp): Same.
5846         (fold_builtin_varargs): Same.
5847         * calls.c (maybe_warn_nonstring_arg): Same.
5848         (maybe_warn_rdwr_sizes): Same.
5849         * cfgexpand.c (expand_call_stmt): Same.
5850         * cgraphunit.c (check_global_declaration): Same.
5851         * fold-const.c (fold_undefer_overflow_warnings): Same.
5852         (fold_truth_not_expr): Same.
5853         (fold_unary_loc): Same.
5854         (fold_checksum_tree): Same.
5855         * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
5856         (array_bounds_checker::check_mem_ref): Same.
5857         (array_bounds_checker::check_addr_expr): Same.
5858         (array_bounds_checker::check_array_bounds): Same.
5859         * gimple-expr.c (copy_var_decl): Same.
5860         * gimple-fold.c (gimple_fold_builtin_strcpy): Same.
5861         (gimple_fold_builtin_strncat): Same.
5862         (gimple_fold_builtin_stxcpy_chk): Same.
5863         (gimple_fold_builtin_stpcpy): Same.
5864         (gimple_fold_builtin_sprintf): Same.
5865         (fold_stmt_1): Same.
5866         * gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
5867         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
5868         * gimple-ssa-sprintf.c (handle_printf_call): Same.
5869         * gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
5870         * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
5871         * gimple-ssa-warn-restrict.h: Adjust declarations.
5872         (maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
5873         gimple_no_warning_p and gimple_set_no_warning with
5874         warning_suppressed_p, and suppress_warning.
5875         (check_call): Same.
5876         (check_bounds_or_overlap): Same.
5877         * gimple.c (gimple_build_call_from_tree): Same.
5878         * gimplify.c (gimplify_return_expr): Same.
5879         (gimplify_cond_expr): Same.
5880         (gimplify_modify_expr_complex_part): Same.
5881         (gimplify_modify_expr): Same.
5882         (gimple_push_cleanup): Same.
5883         (gimplify_expr): Same.
5884         * omp-expand.c (expand_omp_for_generic): Same.
5885         (expand_omp_taskloop_for_outer): Same.
5886         * omp-low.c (lower_rec_input_clauses): Same.
5887         (lower_lastprivate_clauses): Same.
5888         (lower_send_clauses): Same.
5889         (lower_omp_target): Same.
5890         * tree-cfg.c (pass_warn_function_return::execute): Same.
5891         * tree-complex.c (create_one_component_var): Same.
5892         * tree-inline.c (remap_gimple_op_r): Same.
5893         (copy_tree_body_r): Same.
5894         (declare_return_variable): Same.
5895         (expand_call_inline): Same.
5896         * tree-nested.c (lookup_field_for_decl): Same.
5897         * tree-sra.c (create_access_replacement): Same.
5898         (generate_subtree_copies): Same.
5899         * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
5900         * tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
5901         * tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
5902         * tree-ssa-loop-im.c (execute_sm): Same.
5903         * tree-ssa-phiopt.c (cond_store_replacement): Same.
5904         * tree-ssa-strlen.c (maybe_warn_overflow): Same.
5905         (handle_builtin_strcpy): Same.
5906         (maybe_diag_stxncpy_trunc): Same.
5907         (handle_builtin_stxncpy_strncat): Same.
5908         (handle_builtin_strcat): Same.
5909         * tree-ssa-uninit.c (get_no_uninit_warning): Same.
5910         (set_no_uninit_warning): Same.
5911         (uninit_undefined_value_p): Same.
5912         (warn_uninit): Same.
5913         (maybe_warn_operand): Same.
5914         * tree-vrp.c (compare_values_warnv): Same.
5915         * vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
5916         (test_for_singularity): Same.
5917         * gimple.h (warning_suppressed_p): New function.
5918         (suppress_warning): Same.
5919         (copy_no_warning): Same.
5920         (gimple_set_block): Call gimple_set_location.
5921         (gimple_set_location): Call copy_warning.
5922
5923 2021-06-25  Martin Sebor  <msebor@redhat.com>
5924
5925         * tree.h (warning_suppressed_at, copy_warning,
5926         warning_suppressed_p, suppress_warning): New functions.
5927
5928 2021-06-25  Martin Sebor  <msebor@redhat.com>
5929
5930         * Makefile.in (OBJS-libcommon): Add diagnostic-spec.o.
5931         * gengtype.c (open_base_files): Add diagnostic-spec.h.
5932         * diagnostic-spec.c: New file.
5933         * diagnostic-spec.h: New file.
5934         * tree.h (no_warning, all_warnings, suppress_warning_at): New
5935         declarations.
5936         * warning-control.cc: New file.
5937
5938 2021-06-25  liuhongt  <hongtao.liu@intel.com>
5939
5940         PR target/101185
5941         * config/i386/i386.c (x86_order_regs_for_local_alloc):
5942         Revert r12-1669.
5943
5944 2021-06-24  Andrew MacLeod  <amacleod@redhat.com>
5945
5946         PR tree-optimization/101189
5947         * gimple-range-fold.cc (fold_using_range::range_of_range_op): Pass
5948         LHS range of condition to postfold routine.
5949         (fold_using_range::postfold_gcond_edges): Only process the TRUE or
5950         FALSE edge if the LHS range supports it being taken.
5951         * gimple-range-fold.h (postfold_gcond_edges): Add range parameter.
5952
5953 2021-06-24  Andrew MacLeod  <amacleod@redhat.com>
5954
5955         * value-relation.cc (equiv_oracle::dump): Do not dump NULL blocks.
5956         (relation_oracle::find_relation_block): Check correct bitmap.
5957         (relation_oracle::dump): Do not dump NULL blocks.
5958
5959 2021-06-24  Andrew MacLeod  <amacleod@redhat.com>
5960
5961         * gimple-range-cache.cc (ranger_cache::propagate_cache): Call
5962         range_on_edge instead of manually calculating.
5963
5964 2021-06-24  Andrew MacLeod  <amacleod@redhat.com>
5965
5966         * range-op.cc: Fix comment.
5967
5968 2021-06-24  Uroš Bizjak  <ubizjak@gmail.com>
5969
5970         PR target/89021
5971         * config/i386/i386-expand.c (ix86_expand_sse_unpack):
5972         Handle V8QI and V4HI modes.
5973         * config/i386/mmx.md (sse4_1_<any_extend:code>v4qiv4hi2):
5974         New insn pattern.
5975         (sse4_1_<any_extend:code>v4qiv4hi2): Ditto.
5976         (mmxpackmode): New mode attribute.
5977         (vec_pack_trunc_<mmxpackmode:mode>): New expander.
5978         (mmxunpackmode): New mode attribute.
5979         (vec_unpacks_lo_<mmxunpackmode:mode>): New expander.
5980         (vec_unpacks_hi_<mmxunpackmode:mode>): Ditto.
5981         (vec_unpacku_lo_<mmxunpackmode:mode>): Ditto.
5982         (vec_unpacku_hi_<mmxunpackmode:mode>): Ditto.
5983         * config/i386/i386.md (extsuffix): Move from ...
5984         * config/i386/sse.md: ... here.
5985
5986 2021-06-24  Eric Botcazou  <ebotcazou@adacore.com>
5987
5988         * dwarf2out.c (dwarf2out_assembly_start): Emit .file 0 marker here..
5989         (dwarf2out_finish): ...instead of here.
5990
5991 2021-06-24  Eric Botcazou  <ebotcazou@adacore.com>
5992
5993         * configure.ac (--gdwarf-5 option): Use objdump instead of readelf.
5994         (working --gdwarf-4/--gdwarf-5 for all sources): Likewise.
5995         (--gdwarf-4 not refusing generated .debug_line): Adjust for Windows.
5996         * configure: Regenerate.
5997
5998 2021-06-24  Richard Biener  <rguenther@suse.de>
5999
6000         * config/i386/sse.md (vec_addsubv4df3, vec_addsubv2df3,
6001         vec_addsubv8sf3, vec_addsubv4sf3): Merge into ...
6002         (vec_addsub<mode>3): ... using a new addsub_cst mode attribute.
6003
6004 2021-06-24  Richard Biener  <rguenther@suse.de>
6005
6006         * config/i386/sse.md (avx_addsubv4df3): Rename to
6007         vec_addsubv4df3.
6008         (avx_addsubv8sf3): Rename to vec_addsubv8sf3.
6009         (sse3_addsubv2df3): Rename to vec_addsubv2df3.
6010         (sse3_addsubv4sf3): Rename to vec_addsubv4sf3.
6011         * config/i386/i386-builtin.def: Adjust.
6012         * internal-fn.def (VEC_ADDSUB): New internal optab fn.
6013         * optabs.def (vec_addsub_optab): New optab.
6014         * tree-vect-slp-patterns.c (class addsub_pattern): New.
6015         (slp_patterns): Add addsub_pattern.
6016         * tree-vect-slp.c (vect_optimize_slp): Disable propagation
6017         across CFN_VEC_ADDSUB.
6018         * tree-vectorizer.h (vect_pattern::vect_pattern): Make
6019         m_ops optional.
6020         * doc/md.texi (vec_addsub<mode>3): Document.
6021
6022 2021-06-24  Jakub Jelinek  <jakub@redhat.com>
6023
6024         PR middle-end/101170
6025         * df-scan.c (df_ref_record): For paradoxical big-endian SUBREGs
6026         where regno + subreg_regno_offset wraps around use 0 as starting
6027         regno.
6028
6029 2021-06-24  Jakub Jelinek  <jakub@redhat.com>
6030
6031         PR middle-end/101172
6032         * stor-layout.c (finish_bitfield_representative): If nextf has
6033         error_mark_node type, set repr type to error_mark_node too.
6034
6035 2021-06-24  Ilya Leoshkevich  <iii@linux.ibm.com>
6036
6037         * config/s390/s390.c (s390_function_profiler): Ignore labelno
6038         parameter.
6039         * config/s390/s390.h (NO_PROFILE_COUNTERS): Define.
6040
6041 2021-06-24  Richard Biener  <rguenther@suse.de>
6042
6043         * tree-vect-slp.c (vect_optimize_slp): Do not propagate
6044         across operations that have different semantics on different
6045         lanes.
6046
6047 2021-06-24  Jakub Jelinek  <jakub@redhat.com>
6048
6049         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
6050         * gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
6051         with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
6052         of non-decl OMP_CLAUSE_DECL.  For OMP_CLAUSE_IN_REDUCTION on
6053         OMP_TARGET user outer_ctx instead of ctx for placeholders and
6054         initializer/combiner gimplification.
6055         * omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
6056         on target constructs.
6057         (lower_rec_input_clauses): Likewise.
6058         (lower_omp_target): Likewise.
6059         * omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
6060         on target if in_reduction is present.
6061
6062 2021-06-24  Kewen Lin  <linkw@linux.ibm.com>
6063
6064         * tree-predcom.c (class pcom_worker): New class.
6065         (release_chain): Renamed to...
6066         (pcom_worker::release_chain): ...this.
6067         (release_chains): Renamed to...
6068         (pcom_worker::release_chains): ...this.
6069         (aff_combination_dr_offset): Renamed to...
6070         (pcom_worker::aff_combination_dr_offset): ...this.
6071         (determine_offset): Renamed to...
6072         (pcom_worker::determine_offset): ...this.
6073         (class comp_ptrs): New class.
6074         (split_data_refs_to_components): Renamed to...
6075         (pcom_worker::split_data_refs_to_components): ...this,
6076         and update with class comp_ptrs.
6077         (suitable_component_p): Renamed to...
6078         (pcom_worker::suitable_component_p): ...this.
6079         (filter_suitable_components): Renamed to...
6080         (pcom_worker::filter_suitable_components): ...this.
6081         (valid_initializer_p): Renamed to...
6082         (pcom_worker::valid_initializer_p): ...this.
6083         (find_looparound_phi): Renamed to...
6084         (pcom_worker::find_looparound_phi): ...this.
6085         (add_looparound_copies): Renamed to...
6086         (pcom_worker::add_looparound_copies): ...this.
6087         (determine_roots_comp): Renamed to...
6088         (pcom_worker::determine_roots_comp): ...this.
6089         (determine_roots): Renamed to...
6090         (pcom_worker::determine_roots): ...this.
6091         (single_nonlooparound_use): Renamed to...
6092         (pcom_worker::single_nonlooparound_use): ...this.
6093         (remove_stmt): Renamed to...
6094         (pcom_worker::remove_stmt): ...this.
6095         (execute_pred_commoning_chain): Renamed to...
6096         (pcom_worker::execute_pred_commoning_chain): ...this.
6097         (execute_pred_commoning): Renamed to...
6098         (pcom_worker::execute_pred_commoning): ...this.
6099         (struct epcc_data): New member worker.
6100         (execute_pred_commoning_cbck): Call execute_pred_commoning
6101         with pcom_worker pointer.
6102         (find_use_stmt): Renamed to...
6103         (pcom_worker::find_use_stmt): ...this.
6104         (find_associative_operation_root): Renamed to...
6105         (pcom_worker::find_associative_operation_root): ...this.
6106         (find_common_use_stmt): Renamed to...
6107         (pcom_worker::find_common_use_stmt): ...this.
6108         (combinable_refs_p): Renamed to...
6109         (pcom_worker::combinable_refs_p): ...this.
6110         (reassociate_to_the_same_stmt): Renamed to...
6111         (pcom_worker::reassociate_to_the_same_stmt): ...this.
6112         (stmt_combining_refs): Renamed to...
6113         (pcom_worker::stmt_combining_refs): ...this.
6114         (combine_chains): Renamed to...
6115         (pcom_worker::combine_chains): ...this.
6116         (try_combine_chains): Renamed to...
6117         (pcom_worker::try_combine_chains): ...this.
6118         (prepare_initializers_chain): Renamed to...
6119         (pcom_worker::prepare_initializers_chain): ...this.
6120         (prepare_initializers): Renamed to...
6121         (pcom_worker::prepare_initializers): ...this.
6122         (prepare_finalizers_chain): Renamed to...
6123         (pcom_worker::prepare_finalizers_chain): ...this.
6124         (prepare_finalizers): Renamed to...
6125         (pcom_worker::prepare_finalizers): ...this.
6126         (tree_predictive_commoning_loop): Renamed to...
6127         (pcom_worker::tree_predictive_commoning_loop): ...this, adjust
6128         some calls and remove some cleanup code.
6129         (tree_predictive_commoning): Adjusted to use pcom_worker instance.
6130         (static variable looparound_phis): Remove.
6131         (static variable name_expansions): Remove.
6132
6133 2021-06-24  Richard Biener  <rguenther@suse.de>
6134
6135         * tree-vect-slp.c (slpg_vertex): New struct.
6136         (vect_slp_build_vertices): Adjust.
6137         (vect_optimize_slp): Likewise.  Maintain an outgoing permute
6138         and a materialized one.
6139
6140 2021-06-24  Richard Biener  <rguenther@suse.de>
6141
6142         PR tree-optimization/101105
6143         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6144         Only ignore steps when they are equal or scalar order is preserved.
6145
6146 2021-06-24  liuhongt  <hongtao.liu@intel.com>
6147
6148         PR target/98434
6149         * config/i386/i386-expand.c (ix86_expand_vec_interleave):
6150         Adjust comments for ix86_expand_vecop_qihi2.
6151         (ix86_expand_vecmul_qihi): Renamed to ..
6152         (ix86_expand_vecop_qihi2): Adjust function prototype to
6153         support shift operation, add static to definition.
6154         (ix86_expand_vec_shift_qihi_constant): Add static to definition.
6155         (ix86_expand_vecop_qihi): Call ix86_expand_vecop_qihi2 and
6156         ix86_expand_vec_shift_qihi_constant.
6157         * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Deleted.
6158         (ix86_expand_vec_shift_qihi_constant): Deleted.
6159         * config/i386/sse.md (VI12_256_512_AVX512VL): New mode
6160         iterator.
6161         (mulv8qi3): Call ix86_expand_vecop_qihi directly, add
6162         condition TARGET_64BIT.
6163         (mul<mode>3): Ditto.
6164         (<insn><mode>3): Ditto.
6165         (vlshr<mode>3): Extend to support avx512 vlshr.
6166         (v<insn><mode>3): New expander for
6167         vashr/vlshr/vashl.
6168         (v<insn>v8qi3): Ditto.
6169         (vashrv8hi3<mask_name>): Renamed to ..
6170         (vashr<mode>3): And extend to support V16QImode for avx512.
6171         (vashrv16qi3): Deleted.
6172         (vashrv2di3<mask_name>): Extend expander to support avx512
6173         instruction.
6174
6175 2021-06-23  Dimitar Dimitrov  <dimitar@dinux.eu>
6176
6177         * doc/lto.texi (Design Overview): Update that slim objects are
6178         the default.
6179
6180 2021-06-23  Aaron Sawdey  <acsawdey@linux.ibm.com>
6181
6182         * config/rs6000/rs6000-cpus.def: Take OPTION_MASK_PCREL_OPT out
6183         of OTHER_POWER10_MASKS so it will not be enabled by default.
6184
6185 2021-06-23  Richard Biener  <rguenther@suse.de>
6186             Martin Jambor  <mjambor@suse.cz>
6187
6188         * tree-inline.c (setup_one_parameter): Set TREE_READONLY of the
6189         param replacement unconditionally.  Adjust comment.
6190
6191 2021-06-23  Andrew MacLeod  <amacleod@redhat.com>
6192
6193         * Makefile.in (OBJS): Add gimple-range-fold.o
6194         * gimple-range-fold.cc: New.
6195         * gimple-range-fold.h: New.
6196         * gimple-range-gori.cc (gimple_range_calc_op1): Move to here.
6197         (gimple_range_calc_op2): Ditto.
6198         * gimple-range-gori.h: Move prototypes to here.
6199         * gimple-range.cc: Adjust include files.
6200         (fur_source:fur_source): Relocate to gimple-range-fold.cc.
6201         (fur_source::get_operand): Ditto.
6202         (fur_source::get_phi_operand): Ditto.
6203         (fur_source::query_relation): Ditto.
6204         (fur_source::register_relation): Ditto.
6205         (class fur_edge): Ditto.
6206         (fur_edge::fur_edge): Ditto.
6207         (fur_edge::get_operand): Ditto.
6208         (fur_edge::get_phi_operand): Ditto.
6209         (fur_stmt::fur_stmt): Ditto.
6210         (fur_stmt::get_operand): Ditto.
6211         (fur_stmt::get_phi_operand): Ditto.
6212         (fur_stmt::query_relation): Ditto.
6213         (class fur_depend): Relocate to gimple-range-fold.h.
6214         (fur_depend::fur_depend): Relocate to gimple-range-fold.cc.
6215         (fur_depend::register_relation): Ditto.
6216         (fur_depend::register_relation): Ditto.
6217         (class fur_list): Ditto.
6218         (fur_list::fur_list): Ditto.
6219         (fur_list::get_operand): Ditto.
6220         (fur_list::get_phi_operand): Ditto.
6221         (fold_range): Ditto.
6222         (adjust_pointer_diff_expr): Ditto.
6223         (gimple_range_adjustment): Ditto.
6224         (gimple_range_base_of_assignment): Ditto.
6225         (gimple_range_operand1): Ditto.
6226         (gimple_range_operand2): Ditto.
6227         (gimple_range_calc_op1): Relocate to gimple-range-gori.cc.
6228         (gimple_range_calc_op2): Ditto.
6229         (fold_using_range::fold_stmt): Relocate to gimple-range-fold.cc.
6230         (fold_using_range::range_of_range_op): Ditto.
6231         (fold_using_range::range_of_address): Ditto.
6232         (fold_using_range::range_of_phi): Ditto.
6233         (fold_using_range::range_of_call): Ditto.
6234         (fold_using_range::range_of_builtin_ubsan_call): Ditto.
6235         (fold_using_range::range_of_builtin_call): Ditto.
6236         (fold_using_range::range_of_cond_expr): Ditto.
6237         (fold_using_range::range_of_ssa_name_with_loop_info): Ditto.
6238         (fold_using_range::relation_fold_and_or): Ditto.
6239         (fold_using_range::postfold_gcond_edges): Ditto.
6240         * gimple-range.h: Add gimple-range-fold.h to include files. Change
6241         GIMPLE_RANGE_STMT_H to GIMPLE_RANGE_H.
6242         (gimple_range_handler): Relocate to gimple-range-fold.h.
6243         (gimple_range_ssa_p): Ditto.
6244         (range_compatible_p): Ditto.
6245         (class fur_source): Ditto.
6246         (class fur_stmt): Ditto.
6247         (class fold_using_range): Ditto.
6248         (gimple_range_calc_op1): Relocate to gimple-range-gori.h
6249         (gimple_range_calc_op2): Ditto.
6250
6251 2021-06-23  Andrew MacLeod  <amacleod@redhat.com>
6252
6253         PR tree-optimization/101148
6254         PR tree-optimization/101014
6255         * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
6256         (ranger_cache::~ranger_cache): Adjust.
6257         (ranger_cache::block_range): Check if propagation disallowed.
6258         (ranger_cache::propagate_cache): Disallow propagation if new value
6259         can't be stored properly.
6260         * gimple-range-cache.h (ranger_cache::m_propfail): New member.
6261
6262 2021-06-23  Andrew MacLeod  <amacleod@redhat.com>
6263
6264         * gimple-range-cache.cc (class ssa_block_ranges): Adjust prototype.
6265         (sbr_vector::set_bb_range): Return true.
6266         (class sbr_sparse_bitmap): Adjust.
6267         (sbr_sparse_bitmap::set_bb_range): Return value.
6268         (block_range_cache::set_bb_range): Return value.
6269         (ranger_cache::propagate_cache): Use return value to print msg.
6270         * gimple-range-cache.h (class block_range_cache): Adjust.
6271
6272 2021-06-23  Andrew MacLeod  <amacleod@redhat.com>
6273
6274         * gimple-range.cc (dump_bb): Use range_on_edge from the cache.
6275
6276 2021-06-23  Jeff Law  <jeffreyalaw@gmail.com>
6277
6278         * config/h8300/logical.md (<code><mode>3<ccnz>): Use <cczn>
6279         so this pattern can be used for test/compare removal.  Pass
6280         current insn to compute_logical_op_length and output_logical_op.
6281         * config/h8300/h8300.c (compute_logical_op_cc): Remove.
6282         (h8300_and_costs): Add argument to compute_logical_op_length.
6283         (output_logical_op): Add new argument.  Use it to determine if the
6284         condition codes are used and adjust the output accordingly.
6285         (compute_logical_op_length): Add new argument and update length
6286         computations when condition codes are used.
6287         * config/h8300/h8300-protos.h (compute_logical_op_length): Update
6288         prototype.
6289         (output_logical_op): Likewise.
6290
6291 2021-06-23  Uroš Bizjak  <ubizjak@gmail.com>
6292
6293         PR target/89021
6294         * config/i386/i386-expand.c (expand_vec_perm_pshufb):
6295         Handle 64bit modes for TARGET_XOP.  Use indirect gen_* functions.
6296         * config/i386/mmx.md (mmx_ppermv64): New insn pattern.
6297         * config/i386/i386.md (unspec): Move UNSPEC_XOP_PERMUTE from ...
6298         * config/i386/sse.md (unspec): ... here.
6299
6300 2021-06-23  Martin Liska  <mliska@suse.cz>
6301
6302         PR target/98636
6303         * optc-save-gen.awk: Put back arm_fp16_format to
6304         checked_options.
6305
6306 2021-06-23  Uroš Bizjak  <ubizjak@gmail.com>
6307
6308         PR target/101175
6309         * config/i386/i386.md (bsr_rex64): Add zero-flag setting RTX.
6310         (bsr): Ditto.
6311         (*bsrhi): Remove.
6312         (clz<mode>2): Update RTX pattern for additions.
6313
6314 2021-06-23  Jakub Jelinek  <jakub@redhat.com>
6315
6316         PR middle-end/101167
6317         * omp-low.c (lower_omp_regimplify_p): Regimplify also PARM_DECLs
6318         and RESULT_DECLs that have DECL_HAS_VALUE_EXPR_P set.
6319
6320 2021-06-22  Sergei Trofimovich  <siarheit@google.com>
6321
6322         * doc/rtl.texi: drop unbalanced parenthesis.
6323
6324 2021-06-22  Richard Biener  <rguenther@suse.de>
6325
6326         PR middle-end/101156
6327         * gimplify.c (gimplify_expr): Remove premature incorrect
6328         optimization.
6329
6330 2021-06-22  Jakub Jelinek  <jakub@redhat.com>
6331
6332         PR tree-optimization/101159
6333         * tree-vect-patterns.c (vect_recog_popcount_pattern): Fix some
6334         comment typos.
6335
6336 2021-06-22  Jakub Jelinek  <jakub@redhat.com>
6337
6338         PR middle-end/101160
6339         * function.c (assign_parms): For decl_result with TYPE_EMPTY_P type
6340         clear crtl->return_rtx instead of keeping it referencing a pseudo.
6341
6342 2021-06-22  Jakub Jelinek  <jakub@redhat.com>
6343             Andrew Pinski  <apinski@marvell.com>
6344
6345         PR tree-optimization/101162
6346         * fold-const.c (range_check_type): Handle OFFSET_TYPE like pointer
6347         types.
6348
6349 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6350
6351         * range-op.cc (range_relational_tests): New.
6352         (range_op_tests): Call range_relational_tests.
6353
6354 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6355
6356         * range-op.cc (operator_cast::lhs_op1_relation): New.
6357         (operator_identity::lhs_op1_relation): Mew.
6358
6359 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6360
6361         * range-op.cc (operator_minus::op1_op2_relation_effect): New.
6362
6363 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6364
6365         * range-op.cc (operator_plus::lhs_op1_relation): New.
6366         (operator_plus::lhs_op2_relation): New.
6367
6368 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6369
6370         * gimple-range-cache.cc (ranger_cache::ranger_cache): Create a
6371         relation_oracle if dominators exist.
6372         (ranger_cache::~ranger_cache): Dispose of oracle.
6373         (ranger_cache::dump_bb): Dump oracle.
6374         * gimple-range.cc (fur_source::fur_source): New.
6375         (fur_source::get_operand): Use mmeber query.
6376         (fur_source::get_phi_operand): Use member_query.
6377         (fur_source::query_relation): New.
6378         (fur_source::register_dependency): Delete.
6379         (fur_source::register_relation): New.
6380         (fur_edge::fur_edge): Adjust.
6381         (fur_edge::get_phi_operand): Fix comment.
6382         (fur_edge::query): Delete.
6383         (fur_stmt::fur_stmt): Adjust.
6384         (fur_stmt::query): Delete.
6385         (fur_depend::fur_depend): Adjust.
6386         (fur_depend::register_relation): New.
6387         (fur_depend::register_relation): New.
6388         (fur_list::fur_list): Adjust.
6389         (fur_list::get_operand): Use member query.
6390         (fold_using_range::range_of_range_op): Process and query relations.
6391         (fold_using_range::range_of_address): Adjust dependency call.
6392         (fold_using_range::range_of_phi): Ditto.
6393         (gimple_ranger::gimple_ranger): New.  Use ranger_ache oracle.
6394         (fold_using_range::relation_fold_and_or): New.
6395         (fold_using_range::postfold_gcond_edges): New.
6396         * gimple-range.h (class gimple_ranger): Adjust.
6397         (class fur_source): Adjust members.
6398         (class fur_stmt): Ditto.
6399         (class fold_using_range): Ditto.
6400
6401 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6402
6403         * range-op.cc (range_operator::wi_fold): Apply relation effect.
6404         (range_operator::fold_range): Adjust and apply relation effect.
6405         (*::fold_range): Add relation parameters.
6406         (*::op1_range): Ditto.
6407         (*::op2_range): Ditto.
6408         (range_operator::lhs_op1_relation): New.
6409         (range_operator::lhs_op2_relation): New.
6410         (range_operator::op1_op2_relation): New.
6411         (range_operator::op1_op2_relation_effect): New.
6412         (relop_early_resolve): New.
6413         (operator_equal::op1_op2_relation): New.
6414         (operator_equal::fold_range): Call relop_early_resolve.
6415         (operator_not_equal::op1_op2_relation): New.
6416         (operator_not_equal::fold_range): Call relop_early_resolve.
6417         (operator_lt::op1_op2_relation): New.
6418         (operator_lt::fold_range): Call relop_early_resolve.
6419         (operator_le::op1_op2_relation): New.
6420         (operator_le::fold_range): Call relop_early_resolve.
6421         (operator_gt::op1_op2_relation): New.
6422         (operator_gt::fold_range): Call relop_early_resolve.
6423         (operator_ge::op1_op2_relation): New.
6424         (operator_ge::fold_range): Call relop_early_resolve.
6425         * range-op.h (class range_operator): Adjust parameters and methods.
6426
6427 2021-06-22  Andrew MacLeod  <amacleod@redhat.com>
6428
6429         * Makefile.in (OBJS): Add value-relation.o.
6430         * gimple-range.h: Adjust include files.
6431         * tree-data-ref.c: Adjust include file order.
6432         * value-query.cc (range_query::get_value_range): Default to no oracle.
6433         (range_query::query_relation): New.
6434         (range_query::query_relation): New.
6435         * value-query.h (class range_query): Adjust.
6436         * value-relation.cc: New.
6437         * value-relation.h: New.
6438
6439 2021-06-22  Richard Biener  <rguenther@suse.de>
6440
6441         PR tree-optimization/101151
6442         * tree-ssa-sink.c (statement_sink_location): Expand irreducible
6443         region check.
6444
6445 2021-06-22  Jojo R  <rjiejie@linux.alibaba.com>
6446
6447         * config/riscv/riscv.c (thead_c906_tune_info): New.
6448         (riscv_tune_info_table): Use new tune.
6449
6450 2021-06-22  Richard Biener  <rguenther@suse.de>
6451
6452         PR tree-optimization/101158
6453         * tree-vect-slp.c (vect_build_slp_tree_1): Move same operand
6454         checking after checking for matching operation.
6455
6456 2021-06-22  Richard Biener  <rguenther@suse.de>
6457
6458         PR tree-optimization/101159
6459         * tree-vect-patterns.c (vect_recog_popcount_pattern): Add
6460         missing NULL vectype check.
6461
6462 2021-06-22  Richard Biener  <rguenther@suse.de>
6463
6464         PR tree-optimization/101154
6465         * tree-vect-slp.c (vect_build_slp_tree_2): Fix out-of-bound access.
6466
6467 2021-06-22  Jakub Jelinek  <jakub@redhat.com>
6468
6469         PR target/11877
6470         * config/i386/i386-protos.h (ix86_last_zero_store_uid): Declare.
6471         * config/i386/i386-expand.c (ix86_last_zero_store_uid): New variable.
6472         * config/i386/i386.c (ix86_expand_prologue): Clear it.
6473         * config/i386/i386.md (peephole2s for 1/2/4 stores of const0_rtx):
6474         Remove "" from match_operand.  Emit new insns using emit_move_insn and
6475         set ix86_last_zero_store_uid to INSN_UID of the last store.
6476         Add peephole2s for 1/2/4 stores of const0_rtx following previous
6477         successful peep2s.
6478
6479 2021-06-22  Martin Liska  <mliska@suse.cz>
6480
6481         * auto-profile.c (AUTO_PROFILE_VERSION): Bump as string format
6482         was changed.
6483
6484 2021-06-22  Martin Liska  <mliska@suse.cz>
6485
6486         * gcov-io.h: Remove padding entries.
6487
6488 2021-06-22  liuhongt  <hongtao.liu@intel.com>
6489
6490         PR tree-optimization/97770
6491         * tree-vect-patterns.c (vect_recog_popcount_pattern):
6492         New.
6493         (vect_recog_func vect_vect_recog_func_ptrs): Add new pattern.
6494
6495 2021-06-22  liuhongt  <hongtao.liu@intel.com>
6496
6497         PR target/100267
6498         * config/i386/i386-builtin.def (BDESC): Adjust builtin name.
6499         * config/i386/sse.md (<avx512>_expand<mode>_mask): Rename to ..
6500         (expand<mode>_mask): this ..
6501         (*expand<mode>_mask): New pre_reload splitter to transform
6502         v{,p}expand* to vmov* when mask is zero, all ones, or has all
6503         ones in it's lower part, otherwise still generate
6504         v{,p}expand*.
6505
6506 2021-06-22  liuhongt  <hongtao.liu@intel.com>
6507
6508         PR target/100310
6509         * config/i386/i386-expand.c
6510         (ix86_expand_special_args_builtin): Keep constm1_operand only
6511         if it satisfies insn's operand predicate.
6512
6513 2021-06-21  Jason Merrill  <jason@redhat.com>
6514
6515         PR target/88529
6516         * df-scan.c (df_ref_record): Check that regno < endregno.
6517         * function.c (assign_parms, expand_function_end): Do nothing with a
6518         TYPE_EMPTY_P result.
6519
6520 2021-06-21  Richard Biener  <rguenther@suse.de>
6521
6522         PR tree-optimization/101120
6523         * tree-vect-data-refs.c (bump_vector_ptr): Fold the
6524         built increment.
6525         * tree-vect-slp.c (vect_transform_slp_perm_load): Add
6526         DR chain DCE capability.
6527         * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
6528         * tree-vect-stmts.c (vectorizable_load): Remove unused
6529         loads in the DR chain for SLP.
6530
6531 2021-06-21  Jakub Jelinek  <jakub@redhat.com>
6532
6533         PR inline-asm/100785
6534         * gimplify.c (gimplify_asm_expr): Don't diagnose errors if
6535         output or input operands were already error_mark_node.
6536         * cfgexpand.c (expand_asm_stmt): If errors are emitted,
6537         remove all inputs, outputs and clobbers from the asm and
6538         set template to "".
6539
6540 2021-06-21  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
6541
6542         * config/arm/arm_neon.h (vceq_s8): Replace builtin with __a == __b.
6543         (vceq_s16): Likewise.
6544         (vceq_s32): Likewise.
6545         (vceq_u8): Likewise.
6546         (vceq_u16): Likewise.
6547         (vceq_u32): Likewise.
6548         (vceq_p8): Likewise.
6549         (vceqq_s8): Likewise.
6550         (vceqq_s16): Likewise.
6551         (vceqq_s32): Likewise.
6552         (vceqq_u8): Likewise.
6553         (vceqq_u16): Likewise.
6554         (vceqq_u32): Likewise.
6555         (vceqq_p8): Likewise.
6556         (vceq_f32): Gate __a == __b on __FAST_MATH__.
6557         (vceqq_f32): Likewise.
6558         (vceq_f16): Likewise.
6559         (vceqq_f16): Likewise.
6560
6561 2021-06-21  prathamesh.kulkarni  <prathamesh.kulkarni@linaro.org>
6562
6563         PR target/97906
6564         * config/arm/iterators.md (NEON_VACMP): Remove.
6565         * config/arm/neon.md (neon_vca<cmp_op><mode>): Use GLTE instead of GTGE
6566         iterator.
6567         (neon_vca<cmp_op><mode>_insn): Likewise.
6568         (neon_vca<cmp_op_unsp><mode>_insn_unspec): Use NEON_VAGLTE instead of
6569         NEON_VACMP.
6570
6571 2021-06-21  Richard Biener  <rguenther@suse.de>
6572
6573         PR tree-optimization/101121
6574         * tree-vect-slp.c (vect_build_slp_tree_2): To not fail fatally
6575         when we just lack a stmt with the desired op when doing permutation.
6576         (vect_build_slp_tree): When caching a failed SLP build attempt
6577         assert that at least one lane is marked as not matching.
6578
6579 2021-06-21  liuhongt  <hongtao.liu@intel.com>
6580
6581         PR target/101142
6582         * config/i386/i386.md: (*anddi_1): Disparage slightly the mask
6583         register alternative.
6584         (*and<mode>_1): Ditto.
6585         (*andqi_1): Ditto.
6586         (*andn<mode>_1): Ditto.
6587         (*<code><mode>_1): Ditto.
6588         (*<code>qi_1): Ditto.
6589         (*one_cmpl<mode>2_1): Ditto.
6590         (*one_cmplsi2_1_zext): Ditto.
6591         (*one_cmplqi2_1): Ditto.
6592         * config/i386/i386.c (x86_order_regs_for_local_alloc): Change
6593         the order of mask registers to be before general registers.
6594
6595 2021-06-21  Roger Sayle  <roger@nextmovesoftware.com>
6596
6597         PR target/11877
6598         * config/i386/i386.md: New define_peephole2s to shrink writing
6599         1, 2 or 4 consecutive zeros to memory when optimizing for size.
6600
6601 2021-06-18  Jeff Law  <jeffreyalaw@gmail.com>
6602
6603         * config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
6604         * config/h8300/logical.md (<code><mode>3 logcial expander): Generate
6605         more efficient code when the source can be trivially simplified.
6606
6607 2021-06-18  Andrew MacLeod  <amacleod@redhat.com>
6608
6609         * gimple-range-cache.cc (ranger_cache::range_of_def):  Calculate
6610         a range if global is not available.
6611         (ranger_cache::entry_range): Fallback to range_of_def.
6612         * gimple-range-cache.h (range_of_def): Adjust prototype.
6613
6614 2021-06-18  Andrew MacLeod  <amacleod@redhat.com>
6615
6616         PR tree-optimization/101014
6617         * gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
6618         value list.
6619         (ranger_cache::~ranger_cache): Ditto.
6620         (ranger_cache::enable_new_values): Delete.
6621         (ranger_cache::push_poor_value): Delete.
6622         (ranger_cache::range_of_def): Remove poor value processing.
6623         (ranger_cache::entry_range): Ditto.
6624         (ranger_cache::fill_block_cache): Ditto.
6625         * gimple-range-cache.h (class ranger_cache): Remove poor value members.
6626         * gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
6627         * gimple-range.h (class gimple_ranger): Adjust.
6628
6629 2021-06-18  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
6630
6631         PR target/100856
6632         * common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
6633         derived from arm_canon_arch.
6634         (arm_canon_arch_option): Call it.
6635         (arm_canon_arch_multilib_option): New function.
6636         * config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
6637         * config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
6638         (CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
6639         (MULTILIB_ARCH_CANONICAL_SPECS): New macro.
6640         (DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
6641         * config/arm/arm.opt (mlibarch): New option.
6642         * config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
6643         of march on RHS with mlibarch.
6644
6645 2021-06-18  Marcel Vollweiler  <marcel@codesourcery.com>
6646
6647         * config.in: Regenerate.
6648         * config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
6649         functions.
6650         * configure: Regenerate.
6651         * configure.ac: Fix for global_load assembler functions.
6652
6653 2021-06-18  Richard Biener  <rguenther@suse.de>
6654
6655         PR tree-optimization/101112
6656         * tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
6657         to lookup a pattern stmt def.
6658
6659 2021-06-18  Jakub Jelinek  <jakub@redhat.com>
6660
6661         PR middle-end/101062
6662         * stor-layout.c (finish_bitfield_layout): Don't add bitfield
6663         representatives in QUAL_UNION_TYPE.
6664
6665 2021-06-18  Andrew Pinski  <apinski@marvell.com>
6666
6667         * tree-ssa-phiopt.c (replace_phi_edge_with_variable):
6668         Add counting of how many times it is done.
6669         (factor_out_conditional_conversion): Likewise.
6670         (match_simplify_replacement): Likewise.
6671         (value_replacement): Likewise.
6672         (spaceship_replacement): Likewise.
6673         (cond_store_replacement): Likewise.
6674         (cond_if_else_store_replacement_1): Likewise.
6675         (hoist_adjacent_loads): Likewise.
6676
6677 2021-06-18  Andrew Pinski  <apinski@marvell.com>
6678
6679         * tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
6680         types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
6681         (verify_gimple_assign_binary): Reject point and offset types on
6682         MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
6683         FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
6684         FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
6685
6686 2021-06-18  Michael Meissner  <meissner@linux.ibm.com>
6687
6688         * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
6689         3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
6690         * config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
6691         New insns.
6692
6693 2021-06-17  Aaron Sawdey  <acsawdey@linux.ibm.com>
6694
6695         * config/rs6000/genfusion.pl (gen_logical_addsubf): Add
6696         earlyclobber to alts 0/1.
6697         (gen_addadd): Add earlyclobber to alts 0/1.
6698         * config/rs6000/fusion.md: Regenerate file.
6699
6700 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6701
6702         * cfgloopanal.c (get_loop_hot_path): Make path an auto_vec.
6703
6704 2021-06-17  Andrew MacLeod  <amacleod@redhat.com>
6705
6706         * gimple-range-cache.cc: Comment cleanups.
6707         * gimple-range-gori.cc: Comment cleanups.
6708         * gimple-range.cc: Comment/spacing cleanups
6709         * value-range.h: Comment cleanups.
6710
6711 2021-06-17  H.J. Lu  <hjl.tools@gmail.com>
6712
6713         PR target/100704
6714         * calls.c (expand_call): Replace PUSH_ARGS with
6715         targetm.calls.push_argument (0).
6716         (emit_library_call_value_1): Likewise.
6717         * defaults.h (PUSH_ARGS): Removed.
6718         (PUSH_ARGS_REVERSED): Replace PUSH_ARGS with
6719         targetm.calls.push_argument (0).
6720         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
6721         (emit_push_insn): Pass the number bytes to push to
6722         targetm.calls.push_argument and pass 0 if ARGS_ADDR is 0.
6723         * hooks.c (hook_bool_uint_true): New.
6724         * hooks.h (hook_bool_uint_true): Likewise.
6725         * rtlanal.c (nonzero_bits1): Replace PUSH_ARGS with
6726         targetm.calls.push_argument (0).
6727         * target.def (push_argument): Add a targetm.calls hook.
6728         * targhooks.c (default_push_argument): New.
6729         * targhooks.h (default_push_argument): Likewise.
6730         * config/bpf/bpf.h (PUSH_ARGS): Removed.
6731         * config/cr16/cr16.c (TARGET_PUSH_ARGUMENT): New.
6732         * config/cr16/cr16.h (PUSH_ARGS): Removed.
6733         * config/i386/i386.c (ix86_push_argument): New.
6734         (TARGET_PUSH_ARGUMENT): Likewise.
6735         * config/i386/i386.h (PUSH_ARGS): Removed.
6736         * config/m32c/m32c.c (TARGET_PUSH_ARGUMENT): New.
6737         * config/m32c/m32c.h (PUSH_ARGS): Removed.
6738         * config/nios2/nios2.h (PUSH_ARGS): Likewise.
6739         * config/pru/pru.h (PUSH_ARGS): Likewise.
6740         * doc/tm.texi.in: Remove PUSH_ARGS documentation.  Add
6741         TARGET_PUSH_ARGUMENT hook.
6742         * doc/tm.texi: Regenerated.
6743
6744 2021-06-17  Uroš Bizjak  <ubizjak@gmail.com>
6745
6746         PR target/97194
6747         * config/i386/i386-expand.c (expand_vector_set_var):
6748         Handle V2FS mode remapping.  Pass TARGET_MMX_WITH_SSE to
6749         ix86_expand_vector_init_duplicate.
6750         (ix86_expand_vector_init_duplicate): Emit insv_1 for
6751         QImode for !TARGET_PARTIAL_REG_STALL.
6752         * config/i386/predicates.md (vec_setm_mmx_operand): New predicate.
6753         * config/i386/mmx.md (vec_setv2sf): Use vec_setm_mmx_operand
6754         as operand 2 predicate.  Call ix86_expand_vector_set_var
6755         for non-constant index operand.
6756         (vec_setv2si): Ditto.
6757         (vec_setv4hi): Ditto.
6758         (vec_setv8qi): ditto.
6759
6760 2021-06-17  Aldy Hernandez  <aldyh@redhat.com>
6761
6762         PR tree-optimization/100790
6763         * gimple-range.cc (range_of_builtin_call): Cleanup clz and ctz
6764         code.
6765
6766 2021-06-17  Martin Liska  <mliska@suse.cz>
6767
6768         * doc/invoke.texi: Use consistently -O1 instead of -O.
6769
6770 2021-06-17  Martin Liska  <mliska@suse.cz>
6771
6772         * gcov-io.h: Update documentation entry about string format.
6773
6774 2021-06-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
6775
6776         PR target/100871
6777         * config/s390/vecintrin.h (vec_doublee): Fix to use
6778           __builtin_s390_vflls.
6779         (vec_floate): Fix to use __builtin_s390_vflrd.
6780
6781 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6782
6783         * dominance.c (get_dominated_to_depth): Return auto_vec<basic_block>.
6784         * dominance.h (get_dominated_to_depth): Likewise.
6785         (get_all_dominated_blocks): Likewise.
6786         * cfgcleanup.c (delete_unreachable_blocks): Adjust.
6787         * gcse.c (hoist_code): Likewise.
6788         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
6789         * tree-parloops.c (oacc_entry_exit_ok): Likewise.
6790         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
6791         * tree-ssa-phiprop.c (pass_phiprop::execute): Likewise.
6792
6793 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6794
6795         * dominance.c (get_dominated_by_region): Return auto_vec<basic_block>.
6796         * dominance.h (get_dominated_by_region): Likewise.
6797         * tree-cfg.c (gimple_duplicate_sese_region): Adjust.
6798         (gimple_duplicate_sese_tail): Likewise.
6799         (move_sese_region_to_fn): Likewise.
6800
6801 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6802
6803         * dominance.c (get_dominated_by): Return auto_vec<basic_block>.
6804         * dominance.h (get_dominated_by): Likewise.
6805         * auto-profile.c (afdo_find_equiv_class): Adjust.
6806         * cfgloopmanip.c (duplicate_loop_to_header_edge): Likewise.
6807         * loop-unroll.c (unroll_loop_runtime_iterations): Likewise.
6808         * tree-cfg.c (test_linear_chain): Likewise.
6809         (test_diamond): Likewise.
6810
6811 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6812
6813         * cfgloop.h (get_loop_hot_path): Return auto_vec<basic_block>.
6814         * cfgloopanal.c (get_loop_hot_path): Likewise.
6815         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
6816
6817 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6818
6819         * cgraph.c (cgraph_node::collect_callers): Return
6820         auto_vec<cgraph_edge *>.
6821         * cgraph.h (cgraph_node::collect_callers): Likewise.
6822         * ipa-cp.c (create_specialized_node): Adjust.
6823         (decide_about_value): Likewise.
6824         (decide_whether_version_node): Likewise.
6825         * ipa-sra.c (process_isra_node_results): Likewise.
6826
6827 2021-06-17  Trevor Saunders  <tbsaunde@tbsaunde.org>
6828
6829         * vec.h (vl_ptr>::using_auto_storage): Handle null m_vec.
6830         (auto_vec<T, 0>::auto_vec): Define move constructor, and delete copy
6831         constructor.
6832         (auto_vec<T, 0>::operator=): Define move assignment and delete copy
6833         assignment.
6834
6835 2021-06-17  Aldy Hernandez  <aldyh@redhat.com>
6836
6837         * gimple-range.cc (debug_seed_ranger): New.
6838         (dump_ranger): New.
6839         (debug_ranger): New.
6840
6841 2021-06-17  Richard Biener   <rguenther@suse.de>
6842
6843         PR tree-optimization/54400
6844         * tree-vectorizer.h (enum slp_instance_kind): Add
6845         slp_inst_kind_bb_reduc.
6846         (reduction_fn_for_scalar_code): Declare.
6847         * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
6848         Check SLP_INSTANCE_KIND instead of looking at the
6849         representative.
6850         (vect_slp_analyze_instance_alignment): Likewise.
6851         * tree-vect-loop.c (reduction_fn_for_scalar_code): Export.
6852         * tree-vect-slp.c (vect_slp_linearize_chain): Split out
6853         chain linearization from vect_build_slp_tree_2 and generalize
6854         for the use of BB reduction vectorization.
6855         (vect_build_slp_tree_2): Adjust accordingly.
6856         (vect_optimize_slp): Elide permutes at the root of BB reduction
6857         instances.
6858         (vectorizable_bb_reduc_epilogue): New function.
6859         (vect_slp_prune_covered_roots): Likewise.
6860         (vect_slp_analyze_operations): Use them.
6861         (vect_slp_check_for_constructors): Recognize associatable
6862         chains for BB reduction vectorization.
6863         (vectorize_slp_instance_root_stmt): Generate code for the
6864         BB reduction epilogue.
6865
6866 2021-06-17  Andrew MacLeod  <amacleod@redhat.com>
6867
6868         * gimple-range-gori.cc (gori_compute::has_edge_range_p): Check with
6869         may_recompute_p.
6870         (gori_compute::may_recompute_p): New.
6871         (gori_compute::outgoing_edge_range_p): Perform recomputations.
6872         * gimple-range-gori.h (class gori_compute): Add prototype.
6873
6874 2021-06-17  Andrew MacLeod  <amacleod@redhat.com>
6875
6876         * gimple-range-cache.cc (ranger_cache::range_on_edge): Always return
6877         true when a range can be calculated.
6878         * gimple-range.cc (gimple_ranger::dump_bb): Check has_edge_range_p.
6879
6880 2021-06-16  Martin Sebor  <msebor@redhat.com>
6881
6882         * doc/invoke.texi (-Wmismatched-dealloc, -Wmismatched-new-delete):
6883         Correct documented defaults.
6884
6885 2021-06-16  Andrew MacLeod  <amacleod@redhat.com>
6886
6887         * gimple-range-cache.cc (ranger_cache::ranger_cache): Initialize
6888         m_new_value_p directly.
6889
6890 2021-06-16  Uroš Bizjak  <ubizjak@gmail.com>
6891
6892         PR target/89021
6893         * config/i386/i386-expand.c (expand_vec_perm_2perm_pblendv):
6894         Handle 64bit modes for TARGET_SSE4_1.
6895         (expand_vec_perm_pshufb2): Handle 64bit modes for TARGET_SSSE3.
6896         (expand_vec_perm_even_odd_pack): Handle V4HI mode.
6897         (expand_vec_perm_even_odd_1) <case E_V4HImode>: Expand via
6898         expand_vec_perm_pshufb2 for TARGET_SSSE3 and via
6899         expand_vec_perm_even_odd_pack for TARGET_SSE4_1.
6900         * config/i386/mmx.md (mmx_packusdw): New insn pattern.
6901
6902 2021-06-16  Jonathan Wright  <jonathan.wright@arm.com>
6903
6904         * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn<mode>):
6905         Change to an expander that emits the correct instruction
6906         depending on endianness.
6907         (aarch64_<sur><addsub>hn<mode>_insn_le): Define.
6908         (aarch64_<sur><addsub>hn<mode>_insn_be): Define.
6909
6910 2021-06-16  Jonathan Wright  <jonathan.wright@arm.com>
6911
6912         * config/aarch64/aarch64-simd-builtins.def: Split generator
6913         for aarch64_<su>qmovn builtins into scalar and vector
6914         variants.
6915         * config/aarch64/aarch64-simd.md (aarch64_<su>qmovn<mode>_insn_le):
6916         Define.
6917         (aarch64_<su>qmovn<mode>_insn_be): Define.
6918         (aarch64_<su>qmovn<mode>): Split into scalar and vector
6919         variants. Change vector variant to an expander that emits the
6920         correct instruction depending on endianness.
6921
6922 2021-06-16  Jonathan Wright  <jonathan.wright@arm.com>
6923
6924         * config/aarch64/aarch64-simd-builtins.def: Split generator
6925         for aarch64_sqmovun builtins into scalar and vector variants.
6926         * config/aarch64/aarch64-simd.md (aarch64_sqmovun<mode>):
6927         Split into scalar and vector variants. Change vector variant
6928         to an expander that emits the correct instruction depending
6929         on endianness.
6930         (aarch64_sqmovun<mode>_insn_le): Define.
6931         (aarch64_sqmovun<mode>_insn_be): Define.
6932
6933 2021-06-16  Jonathan Wright  <jonathan.wright@arm.com>
6934
6935         * config/aarch64/aarch64-simd.md (aarch64_xtn<mode>_insn_le):
6936         Define - modeling zero-high-half semantics.
6937         (aarch64_xtn<mode>): Change to an expander that emits the
6938         appropriate instruction depending on endianness.
6939         (aarch64_xtn<mode>_insn_be): Define - modeling zero-high-half
6940         semantics.
6941         (aarch64_xtn2<mode>_le): Rename to...
6942         (aarch64_xtn2<mode>_insn_le): This.
6943         (aarch64_xtn2<mode>_be): Rename to...
6944         (aarch64_xtn2<mode>_insn_be): This.
6945         (vec_pack_trunc_<mode>): Emit truncation instruction instead
6946         of aarch64_xtn.
6947         * config/aarch64/iterators.md (Vnarrowd): Add Vnarrowd mode
6948         attribute iterator.
6949
6950 2021-06-16  Martin Jambor  <mjambor@suse.cz>
6951
6952         PR tree-optimization/100453
6953         * tree-sra.c (create_access): Disqualify any const candidates
6954         which are written to.
6955         (sra_modify_expr): Do not store sub-replacements back to a const base.
6956         (handle_unscalarized_data_in_subtree): Likewise.
6957         (sra_modify_assign): Likewise.  Earlier, use TREE_READONLy test
6958         instead of constant_decl_p.
6959
6960 2021-06-16  Jakub Jelinek  <jakub@redhat.com>
6961
6962         PR middle-end/101062
6963         * stor-layout.c (finish_bitfield_representative): For fields in unions
6964         assume nextf is always NULL.
6965         (finish_bitfield_layout): Compute bit field representatives also in
6966         unions, but handle it as if each bitfield was the only field in the
6967         aggregate.
6968
6969 2021-06-16  Richard Biener  <rguenther@suse.de>
6970
6971         PR tree-optimization/101088
6972         * tree-ssa-loop-im.c (sm_seq_valid_bb): Only look for
6973         supported refs on edges.  Do not assert same ref but
6974         different kind stores are unsuported but mark them so.
6975         (hoist_memory_references): Only look for supported refs
6976         on exits.
6977
6978 2021-06-16  Roger Sayle  <roger@nextmovesoftware.com>
6979
6980         PR rtl-optimization/46235
6981         * config/i386/i386.md: New define_split for bt followed by cmov.
6982         (*bt<mode>_setcqi): New define_insn_and_split for bt followed by setc.
6983         (*bt<mode>_setncqi): New define_insn_and_split for bt then setnc.
6984         (*bt<mode>_setnc<mode>): New define_insn_and_split for bt followed
6985         by setnc with zero extension.
6986
6987 2021-06-16  Richard Biener  <rguenther@suse.de>
6988
6989         PR tree-optimization/101083
6990         * tree-vect-slp.c (vect_slp_build_two_operator_nodes): Get
6991         vectype as argument.
6992         (vect_build_slp_tree_2): Adjust.
6993
6994 2021-06-15  Martin Sebor  <msebor@redhat.com>
6995
6996         PR middle-end/100876
6997         * builtins.c: (gimple_call_return_array): Account for size_t
6998         mangling as either unsigned int or unsigned long
6999
7000 2021-06-15  Jeff Law  <jeffreyalaw@gmail.com>
7001
7002         * compare-elim.c (try_eliminate_compare): Run DCE to clean things
7003         up before eliminating comparisons.
7004
7005 2021-06-15  Aldy Hernandez  <aldyh@redhat.com>
7006
7007         * range-op.cc (operator_bitwise_or::wi_fold): Make sure
7008         nonzero|X is nonzero.
7009         (range_op_bitwise_and_tests): Add tests for above.
7010
7011 2021-06-15  Carl Love  <cel@us.ibm.com>
7012
7013         PR target/101022
7014         * config/rs6000/rs6000-builtin.def (VCMPEQUT): Fix the ICODE for the
7015         enum definition.
7016         (VRLQ, VSLQ, VSRQ, VSRAQ): Remove unused BU_P10_OVERLOAD_2
7017         definitions.
7018
7019 2021-06-15  Tobias Burnus  <tobias@codesourcery.com>
7020
7021         PR fortran/92568
7022         * gimplify.c (enum gimplify_defaultmap_kind): Add GDMK_SCALAR_TARGET.
7023         (struct gimplify_omp_ctx): Extend defaultmap array by one.
7024         (new_omp_context): Init defaultmap[GDMK_SCALAR_TARGET].
7025         (omp_notice_variable): Update type classification for Fortran.
7026         (gimplify_scan_omp_clauses): Update calls for new argument; handle
7027         GDMK_SCALAR_TARGET; for Fortran, GDMK_POINTER avoid GOVD_MAP_0LEN_ARRAY.
7028         * langhooks-def.h (lhd_omp_scalar_p): Add 'ptr_ok' argument.
7029         * langhooks.c (lhd_omp_scalar_p): Likewise.
7030         (LANG_HOOKS_OMP_ALLOCATABLE_P, LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
7031         (LANG_HOOKS_DECLS): Add them.
7032         * langhooks.h (struct lang_hooks_for_decls): Add new hooks, update
7033         omp_scalar_p pointer type to include the new bool argument.
7034
7035 2021-06-15  David Malcolm  <dmalcolm@redhat.com>
7036
7037         * doc/analyzer.texi
7038         (Special Functions for Debugging the Analyzer): Add
7039         __analyzer_dump_capacity.
7040
7041 2021-06-15  Jakub Jelinek  <jakub@redhat.com>
7042
7043         PR target/101046
7044         * expr.c (expand_expr_real_2) <case VEC_PACK_FIX_TRUNC_EXPR,
7045         case VEC_PACK_TRUNC_EXPR>: Clear subtarget when changing mode.
7046
7047 2021-06-15  Richard Biener  <rguenther@suse.de>
7048
7049         * cfgloopanal.c (mark_irreducible_loops): Use a dominance
7050         check to identify loop latches.
7051         * cfgloop.c (verify_loop_structure): Likewise.
7052         * loop-init.c (apply_loop_flags): Allow marked irreducible
7053         regions even with multiple latches.
7054         * predict.c (rebuild_frequencies): Simplify.
7055
7056 2021-06-15  Richard Biener  <rguenther@suse.de>
7057
7058         * tree-ssa-threadupdate.c
7059         (jump_thread_path_registry::mark_threaded_blocks): Assert we
7060         have marked irreducible regions.
7061
7062 2021-06-14  Martin Sebor  <msebor@redhat.com>
7063
7064         PR c++/100876
7065         * builtins.c (gimple_call_return_array): Check for attribute fn spec.
7066         Handle calls to placement new.
7067         (ndecl_dealloc_argno): Avoid placement delete.
7068
7069 2021-06-14  Peter Bergner  <bergner@linux.ibm.com>
7070
7071         PR target/100777
7072         * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Use
7073         create_tmp_reg_or_ssa_name().
7074
7075 2021-06-14  Andrew MacLeod  <amacleod@redhat.com>
7076
7077         * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust.
7078         (ranger_cache::enable_new_values): Set to specified value and
7079         return the old value.
7080         (ranger_cache::disable_new_values): Delete.
7081         (ranger_cache::fill_block_cache): Disable non 1st order derived
7082         poor values.
7083         * gimple-range-cache.h (ranger_cache): Adjust prototypes.
7084         * gimple-range.cc (gimple_ranger::range_of_expr): Adjust.
7085
7086 2021-06-14  Uroš Bizjak  <ubizjak@gmail.com>
7087
7088         PR target/101058
7089         * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
7090         Return true early when testing with V2HImode.
7091         * config/i386/mmx.md (*punpckwd): Split to sse2_pshuflw_1.
7092
7093 2021-06-14  Christophe Lyon  <christophe.lyon@linaro.org>
7094
7095         * config/arm/mve.md (mve_vec_unpack<US>_lo_<mode>): New pattern.
7096         (mve_vec_unpack<US>_hi_<mode>): New pattern.
7097         (@mve_vec_pack_trunc_lo_<mode>): New pattern.
7098         (mve_vmovntq_<supf><mode>): Prefix with '@'.
7099         * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Move to
7100         vec-common.md.
7101         (vec_unpack<US>_lo_<mode>): Likewise.
7102         (vec_pack_trunc_<mode>): Rename to
7103         neon_quad_vec_pack_trunc_<mode>.
7104         * config/arm/vec-common.md (vec_unpack<US>_hi_<mode>): New
7105         pattern.
7106         (vec_unpack<US>_lo_<mode>): New.
7107         (vec_pack_trunc_<mode>): New.
7108
7109 2021-06-14  Richard Biener  <rguenther@suse.de>
7110
7111         PR tree-optimization/100934
7112         * tree-ssa-dom.c (pass_dominator::execute): Properly
7113         mark irreducible regions.
7114
7115 2021-06-14  Martin Liska  <mliska@suse.cz>
7116
7117         * doc/invoke.texi: Put r{...} on the same line as @item.
7118
7119 2021-06-14  Martin Liska  <mliska@suse.cz>
7120
7121         * doc/invoke.texi: Add missing newline.
7122
7123 2021-06-14  Martin Liska  <mliska@suse.cz>
7124
7125         * doc/invoke.texi: Remove '+' charasters.
7126
7127 2021-06-14  Claudiu Zissulescu  <claziss@synopsys.com>
7128
7129         * config.gcc (arc): Add support for with_cpu option.
7130         * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
7131
7132 2021-06-14  Richard Biener  <rguenther@suse.de>
7133
7134         PR tree-optimization/101031
7135         * tree-ssa-strlen.c (maybe_invalidate): Increment max_size
7136         instead of size when accounting for a possibly string
7137         terminating nul.
7138
7139 2021-06-14  Martin Liska  <mliska@suse.cz>
7140
7141         * gimple-ssa-evrp.c (pointer_equiv_analyzer::~pointer_equiv_analyzer): Use delete[].
7142
7143 2021-06-14  Aldy Hernandez  <aldyh@redhat.com>
7144
7145         * value-query.cc (gimple_range_global): Call get_range_global
7146         if called after inlining.
7147
7148 2021-06-13  Uroš Bizjak  <ubizjak@gmail.com>
7149
7150         PR target/101021
7151         * config/i386/i386-expand.c (expand_vec_perm_pshufb):
7152         Emit constant permutation insn directly from here.
7153
7154 2021-06-13  Trevor Saunders  <tbsaunde@tbsaunde.org>
7155
7156         * attribs.c (find_attribute_namespace): Iterate over vec<> with
7157         range based for.
7158         * auto-profile.c (afdo_find_equiv_class): Likewise.
7159         * gcc.c (do_specs_vec): Likewise.
7160         (do_spec_1): Likewise.
7161         (driver::set_up_specs): Likewise.
7162         * gimple-loop-jam.c (any_access_function_variant_p): Likewise.
7163         * gimple-ssa-store-merging.c (compatible_load_p): Likewise.
7164         (imm_store_chain_info::try_coalesce_bswap): Likewise.
7165         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
7166         (get_location_for_stmts): Likewise.
7167         * graphite-poly.c (print_iteration_domains): Likewise.
7168         (free_poly_bb): Likewise.
7169         (remove_gbbs_in_scop): Likewise.
7170         (free_scop): Likewise.
7171         (dump_gbb_cases): Likewise.
7172         (dump_gbb_conditions): Likewise.
7173         (print_pdrs): Likewise.
7174         (print_scop): Likewise.
7175         * ifcvt.c (cond_move_process_if_block): Likewise.
7176         * lower-subreg.c (decompose_multiword_subregs): Likewise.
7177         * regcprop.c (pass_cprop_hardreg::execute): Likewise.
7178         * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
7179         * sel-sched-dump.c (dump_insn_vector): Likewise.
7180         * store-motion.c (store_ops_ok): Likewise.
7181         (store_killed_in_insn): Likewise.
7182         * timevar.c (timer::named_items::print): Likewise.
7183         * tree-cfgcleanup.c (cleanup_control_flow_pre): Likewise.
7184         (cleanup_tree_cfg_noloop): Likewise.
7185         * tree-data-ref.c (dump_data_references): Likewise.
7186         (print_dir_vectors): Likewise.
7187         (print_dist_vectors): Likewise.
7188         (dump_data_dependence_relations): Likewise.
7189         (dump_dist_dir_vectors): Likewise.
7190         (dump_ddrs): Likewise.
7191         (create_runtime_alias_checks): Likewise.
7192         (free_subscripts): Likewise.
7193         (save_dist_v): Likewise.
7194         (save_dir_v): Likewise.
7195         (invariant_access_functions): Likewise.
7196         (same_access_functions): Likewise.
7197         (access_functions_are_affine_or_constant_p): Likewise.
7198         (find_data_references_in_stmt): Likewise.
7199         (graphite_find_data_references_in_stmt): Likewise.
7200         (free_dependence_relations): Likewise.
7201         (free_data_refs): Likewise.
7202         * tree-inline.c (copy_debug_stmts): Likewise.
7203         * tree-into-ssa.c (dump_currdefs): Likewise.
7204         (rewrite_update_phi_arguments): Likewise.
7205         * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise.
7206         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
7207         Likewise.
7208         (vect_slp_analyze_node_dependences): Likewise.
7209         (vect_slp_analyze_instance_dependence): Likewise.
7210         (vect_record_base_alignments): Likewise.
7211         (vect_get_peeling_costs_all_drs): Likewise.
7212         (vect_peeling_supportable): Likewise.
7213         * tree-vectorizer.c (vec_info::~vec_info): Likewise.
7214         (vec_info::free_stmt_vec_infos): Likewise.
7215
7216 2021-06-13  Jeff Law  <jeffreyalaw@gmail.com>
7217
7218         * config/h8300/logical.md (<code>qi3_1<cczn>): New pattern.
7219         (andqi3_1<cczn>): Removed.
7220         (<ors>qi3_1): Do not split for IOR/XOR a single bit.
7221         (H8/SX bit logicals): Split out from other patterns.
7222         * config/h8300/multiply.md (mulqihi3_const<cczn>): Renamed from
7223         mulqihi3_const_clobber_flags.
7224         (mulqihi3<cczn>, mulhisi3_const<cczn>, mulhisi3<cczn>): Similarly
7225
7226 2021-06-13  H.J. Lu  <hjl.tools@gmail.com>
7227
7228         PR target/101023
7229         * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used
7230         to true if red zone is used.
7231         (ix86_output_indirect_jmp): Replace ix86_red_zone_size with
7232         ix86_red_zone_used.
7233         * config/i386/i386.h (machine_function): Add red_zone_used.
7234         (ix86_red_zone_size): Removed.
7235         (ix86_red_zone_used): New.
7236         * config/i386/i386.md (peephole2 patterns): Replace
7237         ix86_red_zone_size with ix86_red_zone_used.
7238
7239 2021-06-12  Jason Merrill  <jason@redhat.com>
7240
7241         * doc/extend.texi (unused variable attribute): Applies to
7242         structure fields as well.
7243
7244 2021-06-12  Eugene Rozenfeld  <erozen@microsoft.com>
7245
7246         * auto-profile.c (read_profile): fix a typo in an error string
7247
7248 2021-06-11  Thomas Schwinge  <thomas@codesourcery.com>
7249
7250         * tree-pretty-print.h (dump_omp_clauses): Add 'bool = true'
7251         default argument.
7252         * tree-pretty-print.c (dump_omp_clauses): Update.
7253         (dump_generic_node) <OMP_CLAUSE>: Use it.
7254
7255 2021-06-11  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
7256
7257         PR target/101016
7258         * config/arm/arm_mve.h (__arm_vld1q): Change __ARM_mve_coerce(p0,
7259         int8_t const *) to __ARM_mve_coerce1(p0, int8_t *) in the argument for
7260         the polymorphic variants matching code.
7261         (__arm_vld1q_z): Likewise.
7262         (__arm_vld2q): Likewise.
7263         (__arm_vld4q): Likewise.
7264         (__arm_vldrbq_gather_offset): Likewise.
7265         (__arm_vldrbq_gather_offset_z): Likewise.
7266
7267 2021-06-11  Roger Sayle  <roger@nextmovesoftware.com>
7268
7269         PR tree-optimization/96392
7270         * fold-const.h (tree_expr_maybe_real_minus_zero_p): Fix prototype.
7271
7272 2021-06-11  Roger Sayle  <roger@nextmovesoftware.com>
7273
7274         PR tree-optimization/96392
7275         * fold-const.c (fold_real_zero_addition_p): Take both arguments
7276         of the addition or subtraction, not just the zero.  Use this
7277         other argument in tests for signaling NaNs and signed zeros.
7278         (tree_expr_maybe_real_minus_zero_p): New predicate.
7279         * fold-const.h (fold_real_zero_addition_p): Update prototype.
7280         (tree_expr_maybe_real_minus_zero_p): New function prototype.
7281         * match.pd: Update calls to fold_real_zero_addition_p.
7282         Replace HONOR_NANS with tree_expr_maybe_nan_p.
7283         Replace HONOR_SIGNED_ZEROS with tree_expr_maybe_real_minus_zero_p.
7284         Replace HONOR_SNANS with tree_expr_maybe_signaling_nan_p.
7285         * tree-ssa-reassoc.c (eliminate_using_constants): Update
7286         call to fold_real_zero_addition_p.
7287
7288 2021-06-11  Richard Biener  <rguenther@suse.de>
7289
7290         PR tree-optimization/101025
7291         * tree-ssa-loop-im.c (sm_seq_valid_bb): Make sure to process
7292         all refs that require dependence checking.
7293
7294 2021-06-11  Richard Biener  <rguenther@suse.de>
7295
7296         PR tree-optimization/101028
7297         * tree-vect-slp.c (vect_build_slp_tree_2): When SLP
7298         reassoc discovery fails fatally, mark appropriate lanes
7299         in matches[] so.
7300
7301 2021-06-11  Richard Biener  <rguenther@suse.de>
7302
7303         PR tree-optimization/101026
7304         * tree-vect-slp.c (vect_build_slp_tree_2): Make sure we
7305         have a representative for the associated chain nodes.
7306
7307 2021-06-11  Jakub Jelinek  <jakub@redhat.com>
7308
7309         PR rtl-optimization/101008
7310         * simplify-rtx.c (relational_result): New function.
7311         (simplify_logical_relational_operation,
7312         simplify_relational_operation): Use it.
7313
7314 2021-06-11  Jakub Jelinek  <jakub@redhat.com>
7315
7316         PR target/101007
7317         * config/i386/sse.md (*vec_concat<mode>_0_1): Require TARGET_SSE2.
7318
7319 2021-06-11  Uroš Bizjak  <ubizjak@gmail.com>
7320
7321         PR target/101021
7322         * config/i386/i386-expand.c (expand_vec_perm_pshufb): Return
7323         false if the permutation can be implemented with constant
7324         permutation instruction in wider mode.
7325         (canonicalize_vector_int_perm): Move above expand_vec_perm_pshufb.
7326         Handle V8QImode and V4HImode.
7327
7328 2021-06-11  Martin Liska  <mliska@suse.cz>
7329
7330         PR gcov-profile/100788
7331         * common.opt: Add new option.
7332         * coverage.c (coverage_begin_function): Emit warning instead on
7333         the internal compiler error.
7334         * doc/invoke.texi: Document the option.
7335         * toplev.c (process_options): Enable it by default.
7336
7337 2021-06-11  Richard Biener  <rguenther@suse.de>
7338
7339         PR middle-end/101009
7340         * tree-data-ref.c (build_classic_dist_vector_1): Make sure
7341         to set *init_b to true when we encounter a constant equal
7342         index pair.
7343         (compute_affine_dependence): Also dump the actual DR_REF.
7344
7345 2021-06-10  Aldy Hernandez  <aldyh@redhat.com>
7346
7347         PR tree-optimization/100984
7348         * gimple-ssa-evrp.c  (ssa_equiv_stack): Use auto_vec for
7349         replacements table.
7350         (ssa_equiv_stack::~ssa_equiv_stack): Remove.
7351
7352 2021-06-11  Kewen Lin  <linkw@linux.ibm.com>
7353
7354         * config/rs6000/rs6000.md
7355         (floatsi<SFDF:mode>2_lfiwax_<QHI:mode>_mem_zext): New
7356         define_insn_and_split.
7357
7358 2021-06-11  Richard Biener  <rguenther@suse.de>
7359
7360         * tree-vect-slp.c (vect_build_slp_tree_2): Use stablesort
7361         to sort operands of the associative chain.
7362
7363 2021-06-11  Richard Biener  <rguenther@suse.de>
7364
7365         * system.h (gcc_stablesort_r): Declare.
7366         * sort.cc (gcc_sort_r): Support stable sort.
7367         (gcc_stablesort_r): Define.
7368         * vec.h (vec<>::stablesort): Add.
7369
7370 2021-06-10  Uroš Bizjak  <ubizjak@gmail.com>
7371
7372         PR target/89021
7373         * config/i386/i386-expand.c (ix86_split_mmx_punpck):
7374         Handle V2SF mode.  Emit SHUFPS to fixup unpack-high for V2SF mode.
7375         (expand_vec_perm_blend): Handle 64bit modes for TARGET_SSE4_1.
7376         (expand_vec_perm_pshufb): Handle 64bit modes for TARGET_SSSE3.
7377         (expand_vec_perm_pblendv): Handle 64bit modes for TARGET_SSE4_1.
7378         (expand_vec_perm_interleave2): Handle 64bit modes.
7379         (expand_vec_perm_even_odd_pack): Handle V8QI mode.
7380         (expand_vec_perm_even_odd_1): Ditto.
7381         (ix86_vectorize_vec_perm_const): Ditto.
7382         * config/i386/i386.md (UNSPEC_PSHUFB): Move from ...
7383         * config/i386/sse.md: ... here.
7384         * config/i386/mmx.md (*vec_interleave_lowv2sf):
7385         New insn_and_split pattern.
7386         (*vec_interleave_highv2sf): Ditto.
7387         (mmx_pshufbv8qi3): New insn pattern.
7388         (*mmx_pblendw): Ditto.
7389
7390 2021-06-10  Peter Bergner  <bergner@linux.ibm.com>
7391
7392         * config/rs6000/rs6000-builtin.def (build_pair): New built-in.
7393         (build_acc): Likewise.
7394         * config/rs6000/rs6000-call.c (mma_expand_builtin): Swap assemble
7395         source operands in little-endian mode.
7396         (rs6000_gimple_fold_mma_builtin): Handle VSX_BUILTIN_BUILD_PAIR.
7397         (mma_init_builtins): Likewise.
7398         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Handle endianness
7399         ordering for the MMA assemble and build source operands.
7400         * doc/extend.texi (__builtin_vsx_build_acc, __builtin_mma_build_pair):
7401         Document.
7402         (__builtin_mma_assemble_acc, __builtin_mma_assemble_pair): Remove
7403         documentation.
7404
7405 2021-06-10  Jeff Law  <jeffreyalaw@gmail.com>
7406
7407         * config/h8300/h8300.c (select_cc_mode): Handle MEM.  Use
7408         REG_P.
7409         * config/h8300/extensions.md: Replace _clobber_flags patterns
7410         with <cczn>.
7411
7412 2021-06-10  Robin Dapp  <rdapp@linux.ibm.com>
7413
7414         * config/s390/vector.md (vcond_mask_<mode><mode>): Change to
7415         (vcond_mask_<mode><tointvec>): this.
7416
7417 2021-06-10  Andrew Stubbs  <ams@codesourcery.com>
7418             Thomas Schwinge  <thomas@codesourcery.com>
7419
7420         * omp-builtins.def (BUILT_IN_GOACC_ENTER_EXIT_DATA): Split into...
7421         (BUILT_IN_GOACC_ENTER_DATA, BUILT_IN_GOACC_EXIT_DATA): ... these.
7422         * gimple.h (enum gf_mask): Split
7423         'GF_OMP_TARGET_KIND_OACC_ENTER_EXIT_DATA' into
7424         'GF_OMP_TARGET_KIND_OACC_ENTER_DATA' and
7425         'GF_OMP_TARGET_KIND_OACC_EXIT_DATA'.
7426         (is_gimple_omp_oacc): Update.
7427         * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
7428         * gimplify.c (gimplify_omp_target_update): Likewise.
7429         * omp-expand.c (expand_omp_target, build_omp_regions_1)
7430         (omp_make_gimple_edges): Likewise.
7431         * omp-low.c (check_omp_nesting_restrictions, lower_omp_target):
7432         Likewise.
7433
7434 2021-06-10  Aldy Hernandez  <aldyh@redhat.com>
7435
7436         * value-query.cc (value_query::value_on_edge): Rename name to
7437         expr.
7438         (range_query::range_on_edge): Same.
7439         (range_query::value_of_expr): Same.
7440         (range_query::value_on_edge): Same.
7441         * value-query.h (class value_query): Same.
7442         (class range_query): Same.
7443
7444 2021-06-10  Richard Biener  <rguenther@suse.de>
7445
7446         PR tree-optimization/101003
7447         * tree-vect-slp.c (vect_build_slp_tree_2): Appropriately
7448         use the pattern stmt defs when linearizing a chain.
7449
7450 2021-06-10  Jakub Jelinek  <jakub@redhat.com>
7451
7452         PR debug/100852
7453         * ifcvt.c (noce_get_alt_condition, noce_try_abs): Use
7454         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
7455
7456 2021-06-10  Clement Chigot  <clement.chigot@atos.net>
7457
7458         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add Power10 directive.
7459         * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
7460
7461 2021-06-09  Andrew Pinski  <apinski@marvell.com>
7462
7463         PR tree-optimization/100925
7464         * match.pd (a ? CST1 : CST2): Limit transformations
7465         that would produce a negative to integeral types only.
7466         Change !POINTER_TYPE_P to INTEGRAL_TYPE_P also.
7467
7468 2021-06-09  Jeff Law  <jeffreyalaw@gmail.com>
7469
7470         Revert:
7471         2021-06-09  Jeff Law  <jeffreyalaw@gmail.com>
7472
7473         * doc/tm.texi: Correctly update.
7474
7475 2021-06-09  Jeff Law  <jeffreyalaw@gmail.com>
7476
7477         * doc/tm.texi: Correctly update.
7478
7479 2021-06-09  H.J. Lu  <hjl.tools@gmail.com>
7480
7481         PR other/100735
7482         * doc/tm.texi.in (Trampolines): Add a missing blank line.
7483
7484 2021-06-09  Paul Eggert  <eggert@cs.ucla.edu>
7485
7486         PR other/100735
7487         * doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
7488         and -ftrampolines work only with Ada.
7489         * doc/tm.texi.in (Trampolines): Likewise.
7490         * doc/tm.texi: Regenerated.
7491
7492 2021-06-09  Carl Love  <cel@us.ibm.com>
7493
7494         * config/rs6000/altivec.h (vec_signextll, vec_signexti, vec_signextq):
7495         Add define for new builtins.
7496         * config/rs6000/altivec.md(altivec_vreveti2): Add define_expand.
7497         * config/rs6000/rs6000-builtin.def (VSIGNEXTI, VSIGNEXTLL):  Add
7498         overloaded builtin definitions.
7499         (VSIGNEXTSB2W, VSIGNEXTSH2W, VSIGNEXTSB2D, VSIGNEXTSH2D,VSIGNEXTSW2D,
7500         VSIGNEXTSD2Q):  Add builtin expansions.
7501         (SIGNEXT): Add P10 overload definition.
7502         * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_VSIGNEXTI, P9V_BUILTIN_VEC_VSIGNEXTLL,
7503         P10_BUILTIN_VEC_SIGNEXT): Add overloaded argument definitions.
7504         * config/rs6000/vsx.md (vsx_sign_extend_v2di_v1ti): Add define_insn.
7505         (vsignextend_v2di_v1ti, vsignextend_qi_<mode>, vsignextend_hi_<mode>,
7506         vsignextend_si_v2di)[VIlong]: Add define_expand.
7507         Make define_insn vsx_sign_extend_si_v2di visible.
7508         * doc/extend.texi:  Add documentation for the vec_signexti,
7509         vec_signextll builtins and vec_signextq.
7510
7511 2021-06-09  Carl Love  <cel@us.ibm.com>
7512
7513         * config/rs6000/rs6000.c (__fixkfti, __fixunskfti, __floattikf,
7514         __floatuntikf): Names changed to __fixkfti_sw, __fixunskfti_sw,
7515         __floattikf_sw, __floatuntikf_sw respectively.
7516         * config/rs6000/rs6000.md (floatti<mode>2, floatunsti<mode>2,
7517         fix_trunc<mode>ti2, fixuns_trunc<mode>ti2): Add
7518         define_insn for mode IEEE 128.
7519
7520 2021-06-09  Carl Love  <cel@us.ibm.com>
7521
7522         * config/rs6000/altivec.md (altivec_vslq, altivec_vsrq):
7523         Rename to altivec_vslq_<mode>, altivec_vsrq_<mode>, mode VEC_TI.
7524         * config/rs6000/vector.md (VEC_TI): Was named VSX_TI in vsx.md.
7525         (vashlv1ti3): Change to vashl<mode>3, mode VEC_TI.
7526         (vlshrv1ti3): Change to vlshr<mode>3, mode VEC_TI.
7527         * config/rs6000/vsx.md (VSX_TI): Remove define_mode_iterator. Update
7528         uses of VSX_TI to VEC_TI.
7529
7530 2021-06-09  Carl Love  <cel@us.ibm.com>
7531
7532         * config/rs6000/dfp.md (floattitd2, fixtdti2): New define_insns.
7533
7534 2021-06-09  Carl Love  <cel@us.ibm.com>
7535
7536         * config/rs6000/altivec.h (vec_dive, vec_mod): Add define for new
7537         builtins.
7538         * config/rs6000/altivec.md (UNSPEC_VMULEUD, UNSPEC_VMULESD,
7539         UNSPEC_VMULOUD, UNSPEC_VMULOSD): New unspecs.
7540         (altivec_eqv1ti, altivec_gtv1ti, altivec_gtuv1ti, altivec_vmuleud,
7541         altivec_vmuloud, altivec_vmulesd, altivec_vmulosd, altivec_vrlq,
7542         altivec_vrlqmi, altivec_vrlqmi_inst, altivec_vrlqnm,
7543         altivec_vrlqnm_inst, altivec_vslq, altivec_vsrq, altivec_vsraq,
7544         altivec_vcmpequt_p, altivec_vcmpgtst_p, altivec_vcmpgtut_p): New
7545         define_insn.
7546         (vec_widen_umult_even_v2di, vec_widen_smult_even_v2di,
7547         vec_widen_umult_odd_v2di, vec_widen_smult_odd_v2di, altivec_vrlqmi,
7548         altivec_vrlqnm): New define_expands.
7549         * config/rs6000/rs6000-builtin.def (VCMPEQUT_P, VCMPGTST_P,
7550         VCMPGTUT_P): Add macro expansions.
7551         (BU_P10V_AV_P): Add builtin predicate definition.
7552         (VCMPGTUT, VCMPGTST, VCMPEQUT, CMPNET, CMPGE_1TI,
7553         CMPGE_U1TI, CMPLE_1TI, CMPLE_U1TI, VNOR_V1TI_UNS, VNOR_V1TI, VCMPNET_P,
7554         VCMPAET_P, VMULEUD, VMULESD, VMULOUD, VMULOSD, VRLQ,
7555         VSLQ, VSRQ, VSRAQ, VRLQNM, DIV_V1TI, UDIV_V1TI, DIVES_V1TI, DIVEU_V1TI,
7556         MODS_V1TI, MODU_V1TI, VRLQMI): New macro expansions.
7557         (VRLQ, VSLQ, VSRQ, VSRAQ, DIVE, MOD): New overload expansions.
7558         * config/rs6000/rs6000-call.c (P10_BUILTIN_VCMPEQUT,
7559         P10V_BUILTIN_CMPGE_1TI, P10V_BUILTIN_CMPGE_U1TI,
7560         P10V_BUILTIN_VCMPGTUT, P10V_BUILTIN_VCMPGTST,
7561         P10V_BUILTIN_CMPLE_1TI, P10V_BUILTIN_VCMPLE_U1TI,
7562         P10V_BUILTIN_DIV_V1TI, P10V_BUILTIN_UDIV_V1TI,
7563         P10V_BUILTIN_VMULESD, P10V_BUILTIN_VMULEUD,
7564         P10V_BUILTIN_VMULOSD, P10V_BUILTIN_VMULOUD,
7565         P10V_BUILTIN_VNOR_V1TI, P10V_BUILTIN_VNOR_V1TI_UNS,
7566         P10V_BUILTIN_VRLQ, P10V_BUILTIN_VRLQMI,
7567         P10V_BUILTIN_VRLQNM, P10V_BUILTIN_VSLQ,
7568         P10V_BUILTIN_VSRQ, P10V_BUILTIN_VSRAQ,
7569         P10V_BUILTIN_VCMPGTUT_P, P10V_BUILTIN_VCMPGTST_P,
7570         P10V_BUILTIN_VCMPEQUT_P, P10V_BUILTIN_VCMPGTUT_P,
7571         P10V_BUILTIN_VCMPGTST_P, P10V_BUILTIN_CMPNET,
7572         P10V_BUILTIN_VCMPNET_P, P10V_BUILTIN_VCMPAET_P,
7573         P10V_BUILTIN_DIVES_V1TI, P10V_BUILTIN_MODS_V1TI,
7574         P10V_BUILTIN_MODU_V1TI):
7575         New overloaded definitions.
7576         (rs6000_gimple_fold_builtin) [P10V_BUILTIN_VCMPEQUT,
7577         P10V_BUILTIN_CMPNET, P10V_BUILTIN_CMPGE_1TI,
7578         P10V_BUILTIN_CMPGE_U1TI, P10V_BUILTIN_VCMPGTUT,
7579         P10V_BUILTIN_VCMPGTST, P10V_BUILTIN_CMPLE_1TI,
7580         P10V_BUILTIN_CMPLE_U1TI]: New case statements.
7581         (rs6000_init_builtins) [bool_V1TI_type_node, int_ftype_int_v1ti_v1ti]:
7582         New assignments.
7583         (altivec_init_builtins): New E_V1TImode case statement.
7584         (builtin_function_type)[P10_BUILTIN_128BIT_VMULEUD,
7585         P10_BUILTIN_128BIT_VMULOUD, P10_BUILTIN_128BIT_DIVEU_V1TI,
7586         P10_BUILTIN_128BIT_MODU_V1TI, P10_BUILTIN_CMPGE_U1TI,
7587         P10_BUILTIN_VCMPGTUT, P10_BUILTIN_VCMPEQUT]: New case statements.
7588         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute) [E_TImode,
7589         E_V1TImode]: New case statements.
7590         * config/rs6000/rs6000.h (rs6000_builtin_type_index): New enum
7591         value RS6000_BTI_bool_V1TI.
7592         * config/rs6000/vector.md (vector_gtv1ti,vector_nltv1ti,
7593         vector_gtuv1ti, vector_nltuv1ti, vector_ngtv1ti, vector_ngtuv1ti,
7594         vector_eq_v1ti_p, vector_ne_v1ti_p, vector_ae_v1ti_p,
7595         vector_gt_v1ti_p, vector_gtu_v1ti_p, vrotlv1ti3, vashlv1ti3,
7596         vlshrv1ti3, vashrv1ti3): New define_expands.
7597         * config/rs6000/vsx.md (UNSPEC_VSX_DIVSQ, UNSPEC_VSX_DIVUQ,
7598         UNSPEC_VSX_DIVESQ, UNSPEC_VSX_DIVEUQ, UNSPEC_VSX_MODSQ,
7599         UNSPEC_VSX_MODUQ): New unspecs.
7600         (mulv2di3, vsx_div_v1ti, vsx_udiv_v1ti, vsx_dives_v1ti,
7601         vsx_diveu_v1ti, vsx_mods_v1ti, vsx_modu_v1ti, xxswapd_v1ti): New
7602         define_insns.
7603         (vcmpnet): New define_expand.
7604         * doc/extend.texi: Add documentation for the new builtins vec_rl,
7605         vec_rlmi, vec_rlnm, vec_sl, vec_sr, vec_sra, vec_mule, vec_mulo,
7606         vec_div, vec_dive, vec_mod, vec_cmpeq, vec_cmpne, vec_cmpgt, vec_cmplt,
7607         vec_cmpge, vec_cmple, vec_all_eq, vec_all_ne, vec_all_gt, vec_all_lt,
7608         vec_all_ge, vec_all_le, vec_any_eq, vec_any_ne, vec_any_gt, vec_any_lt,
7609         vec_any_ge, vec_any_le.
7610
7611 2021-06-09  Carl Love  <cel@us.ibm.com>
7612
7613         * config/rs6000/altivec.md (altivec_vrl<VI_char>mi): Fix
7614         bug in argument generation.
7615
7616 2021-06-09  Christophe Lyon  <christophe.lyon@linaro.org>
7617
7618         * config/arm/iterators.md (<supf>): Remove VCLZQ_U, VCLZQ_S.
7619         (VCLZQ): Remove.
7620         * config/arm/mve.md (mve_vclzq_<supf><mode>): Add '@' prefix,
7621         remove <supf> iterator.
7622         (mve_vclzq_u<mode>): New.
7623         * config/arm/neon.md (clz<mode>2): Rename to neon_vclz<mode>.
7624         (neon_vclz<mode): Move to ...
7625         * config/arm/unspecs.md (VCLZQ_U, VCLZQ_S): Remove.
7626         * config/arm/vec-common.md: ... here. Add support for MVE.
7627
7628 2021-06-09  Christophe Lyon  <christophe.lyon@linaro.org>
7629
7630         * config/arm/mve.md (mve_vhaddq_<supf><mode>): Prefix with '@'.
7631         (@mve_vrhaddq_<supf><mode): Likewise.
7632         * config/arm/neon.md (neon_v<r>hadd<sup><mode>): Likewise.
7633         * config/arm/vec-common.md (avg<mode>3_floor, uavg<mode>3_floor)
7634         (avg<mode>3_ceil", uavg<mode>3_ceil): New patterns.
7635
7636 2021-06-09  imba-tjd  <109224573@qq.com>
7637
7638         * doc/invoke.texi: Fix typo.
7639
7640 2021-06-09  Roger Sayle  <roger@nextmovesoftware.com>
7641
7642         PR middle-end/53267
7643         * fold-const-call.c (fold_const_call_sss) [CASE_CFN_FMOD]:
7644         Support evaluation of fmod/fmodf/fmodl at compile-time.
7645
7646 2021-06-09  Richard Biener  <rguenther@suse.de>
7647
7648         PR tree-optimization/100981
7649         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
7650         gimple_get_lhs to also handle calls.
7651         * tree-vect-slp-patterns.c (complex_pattern::build): Transfer
7652         reduction info.
7653
7654 2021-06-09  Richard Biener  <rguenther@suse.de>
7655
7656         PR tree-optimization/97832
7657         * tree-vectorizer.h (_slp_tree::failed): New.
7658         * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
7659         failed member.
7660         (_slp_tree::~_slp_tree): Free failed.
7661         (vect_build_slp_tree): Retain failed nodes and record
7662         matches in them, copying that back out when running
7663         into a cached fail.  Dump start and end of discovery.
7664         (dt_sort_cmp): New.
7665         (vect_build_slp_tree_2): Handle associatable chains
7666         together doing more aggressive operand swapping.
7667
7668 2021-06-09  H.J. Lu  <hjl.tools@gmail.com>
7669
7670         PR target/100896
7671         * config.gcc (gcc_cv_initfini_array): Set to yes for Linux and
7672         GNU targets.
7673         * doc/install.texi: Require glibc 2.1 and binutils 2.12 for
7674         Linux and GNU targets.
7675
7676 2021-06-09  Richard Biener  <rguenther@suse.de>
7677
7678         * tree-vect-stmts.c (vect_is_simple_use): Always get dt
7679         from the stmt.
7680
7681 2021-06-09  Claudiu Zissulescu  <claziss@synopsys.com>
7682
7683         * config/arc/arc.md (loop_end): Change it to
7684         define_insn_and_split.
7685
7686 2021-06-09  Claudiu Zissulescu  <claziss@synopsys.com>
7687
7688         * config/arc/arc.md (maddhisi4): Use VMAC2H instruction.
7689         (machi): New pattern.
7690         (umaddhisi4): Use VMAC2HU instruction.
7691         (umachi): New pattern.
7692
7693 2021-06-09  Claudiu Zissulescu  <claziss@synopsys.com>
7694
7695         * config/arc/arc-protos.h (arc_split_move_p): New prototype.
7696         * config/arc/arc.c (arc_split_move_p): New function.
7697         (arc_split_move): Clean up.
7698         * config/arc/arc.md (movdi_insn): Clean up, use arc_split_move_p.
7699         (movdf_insn): Likewise.
7700         * config/arc/simdext.md (mov<VWH>_insn): Likewise.
7701
7702 2021-06-09  Uroš Bizjak  <ubizjak@gmail.com>
7703
7704         PR target/100936
7705         * config/i386/i386.c (print_operand_address_as): Rename "no_rip"
7706         argument to "raw".  Do not emit segment overrides when "raw" is true.
7707
7708 2021-06-09  Martin Liska  <mliska@suse.cz>
7709
7710         * doc/gcov.texi: Create a proper JSON files.
7711         * doc/invoke.texi: Remove dots in order to make it a valid
7712         JSON object.
7713
7714 2021-06-09  Xionghu Luo  <luoxhu@linux.ibm.com>
7715
7716         * config/rs6000/rs6000-p8swap.c (pattern_is_rotate64): New.
7717         (insn_is_load_p): Use pattern_is_rotate64.
7718         (insn_is_swap_p): Likewise.
7719         (quad_aligned_load_p): Likewise.
7720         (const_load_sequence_p): Likewise.
7721         (replace_swapped_aligned_load): Likewise.
7722         (recombine_lvx_pattern): Likewise.
7723         (recombine_stvx_pattern): Likewise.
7724
7725 2021-06-09  Andrew MacLeod  <amacleod@redhat.com>
7726
7727         * gimple-range-gori.cc (gori_compute::outgoing_edge_range_p): Use a
7728         fur_stmt source record.
7729         * gimple-range.cc (fur_source::get_operand): Generic range query.
7730         (fur_source::get_phi_operand): New.
7731         (fur_source::register_dependency): New.
7732         (fur_source::query): New.
7733         (class fur_edge): New.  Edge source for operands.
7734         (fur_edge::fur_edge): New.
7735         (fur_edge::get_operand): New.
7736         (fur_edge::get_phi_operand): New.
7737         (fur_edge::query): New.
7738         (fur_stmt::fur_stmt): New.
7739         (fur_stmt::get_operand): New.
7740         (fur_stmt::get_phi_operand): New.
7741         (fur_stmt::query): New.
7742         (class fur_depend): New.  Statement source and process dependencies.
7743         (fur_depend::fur_depend): New.
7744         (fur_depend::register_dependency): New.
7745         (class fur_list): New.  List source for operands.
7746         (fur_list::fur_list): New.
7747         (fur_list::get_operand): New.
7748         (fur_list::get_phi_operand): New.
7749         (fold_range): New.  Instantiate appropriate fur_source class and fold.
7750         (fold_using_range::range_of_range_op): Use new API.
7751         (fold_using_range::range_of_address): Ditto.
7752         (fold_using_range::range_of_phi): Ditto.
7753         (imple_ranger::fold_range_internal): Use fur_depend class.
7754         (fold_using_range::range_of_ssa_name_with_loop_info): Use new API.
7755         * gimple-range.h (class fur_source): Now a base class.
7756         (class fur_stmt): New.
7757         (fold_range): New prototypes.
7758         (fur_source::fur_source): Delete.
7759
7760 2021-06-08  Andrew Pinski  <apinski@marvell.com>
7761
7762         PR tree-optimization/25290
7763         * tree-ssa-phiopt.c (xor_replacement): Delete.
7764         (tree_ssa_phiopt_worker): Delete use of xor_replacement.
7765         (match_simplify_replacement): Allow one cheap preparation
7766         statement that can be moved to before the if.
7767
7768 2021-06-08  Pat Haugen  <pthaugen@linux.ibm.com>
7769
7770         * config/rs6000/power10.md (power10-fused-load, power10-fused-store,
7771         power10-fused_alu, power10-fused-vec, power10-fused-branch): New.
7772
7773 2021-06-08  Jeff Law  <jeffreyalaw@gmail.com>
7774
7775         * config/h8300/logical.md (andqi3_1): Move BCLR case into define_insn_and_split.
7776         Create length attribute on define_insn_and_split.  Only split for cases which we
7777         know will use AND.
7778         (andqi3_1<cczn>): Renamed from andqi3_1_clobber_flags.  Only handle AND here and
7779         fix length computation.
7780         (b<code><mode>msx): Combine QImode and HImode H8/SX patterns using iterator.
7781
7782 2021-06-08  Richard Biener  <rguenther@suse.de>
7783
7784         PR tree-optimization/100923
7785         * tree-ssa-sccvn.c (valueize_refs_1): Take a pointer to
7786         the operand vector to be valueized.
7787         (valueize_refs): Likewise.
7788         (valueize_shared_reference_ops_from_ref): Adjust.
7789         (valueize_shared_reference_ops_from_call): Likewise.
7790         (vn_reference_lookup_3): Likewise.
7791         (vn_reference_lookup_pieces): Likewise.  Re-valueize
7792         with honoring availability when we are about to create
7793         the ao_ref and valueized before.
7794         (vn_reference_lookup): Likewise.
7795         (vn_reference_insert_pieces): Adjust.
7796
7797 2021-06-08  Richard Biener  <rguenther@suse.de>
7798
7799         * tree-vectorizer.h (_slp_instance::root_stmt): Change to...
7800         (_slp_instance::root_stmts): ... a vector.
7801         (SLP_INSTANCE_ROOT_STMT): Rename to ...
7802         (SLP_INSTANCE_ROOT_STMTS): ... this.
7803         (slp_root::root): Change to...
7804         (slp_root::roots): ... a vector.
7805         (slp_root::slp_root): Adjust.
7806         * tree-vect-slp.c (_slp_instance::location): Adjust.
7807         (vect_free_slp_instance): Release the root stmt vector.
7808         (vect_build_slp_instance): Adjust.
7809         (vect_analyze_slp): Likewise.
7810         (_bb_vec_info::~_bb_vec_info): Likewise.
7811         (vect_slp_analyze_operations): Likewise.
7812         (vect_bb_vectorization_profitable_p): Likewise.  Adjust
7813         costs for the root stmt.
7814         (vect_slp_check_for_constructors): Gather all BIT_INSERT_EXPRs
7815         as root stmts.
7816         (vect_slp_analyze_bb_1): Simplify by marking all root stmts
7817         as pure_slp.
7818         (vectorize_slp_instance_root_stmt): Adjust.
7819         (vect_schedule_slp): Likewise.
7820
7821 2021-06-08  Aldy Hernandez  <aldyh@redhat.com>
7822
7823         * gimple-ssa-evrp.c (class ssa_equiv_stack): New.
7824         (ssa_equiv_stack::ssa_equiv_stack): New.
7825         (ssa_equiv_stack::~ssa_equiv_stack): New.
7826         (ssa_equiv_stack::enter): New.
7827         (ssa_equiv_stack::leave): New.
7828         (ssa_equiv_stack::push_replacement): New.
7829         (ssa_equiv_stack::get_replacement): New.
7830         (is_pointer_ssa): New.
7831         (class pointer_equiv_analyzer): New.
7832         (pointer_equiv_analyzer::pointer_equiv_analyzer): New.
7833         (pointer_equiv_analyzer::~pointer_equiv_analyzer): New.
7834         (pointer_equiv_analyzer::set_global_equiv): New.
7835         (pointer_equiv_analyzer::set_cond_equiv): New.
7836         (pointer_equiv_analyzer::get_equiv): New.
7837         (pointer_equiv_analyzer::enter): New.
7838         (pointer_equiv_analyzer::leave): New.
7839         (pointer_equiv_analyzer::get_equiv_expr): New.
7840         (pta_valueize): New.
7841         (pointer_equiv_analyzer::visit_stmt): New.
7842         (pointer_equiv_analyzer::visit_edge): New.
7843         (hybrid_folder::value_of_expr): Call PTA.
7844         (hybrid_folder::value_on_edge): Same.
7845         (hybrid_folder::pre_fold_bb): New.
7846         (hybrid_folder::post_fold_bb): New.
7847         (hybrid_folder::pre_fold_stmt): New.
7848         (rvrp_folder::pre_fold_bb): New.
7849         (rvrp_folder::post_fold_bb): New.
7850         (rvrp_folder::pre_fold_stmt): New.
7851         (rvrp_folder::value_of_expr): Call PTA.
7852         (rvrp_folder::value_on_edge): Same.
7853
7854 2021-06-08  Jakub Jelinek  <jakub@redhat.com>
7855
7856         PR c++/100957
7857         * tree-inline.c (copy_tree_body_r): For OMP_CLAUSE_DEPEND don't
7858         check TREE_CODE if OMP_CLAUSE_DECL is NULL.
7859
7860 2021-06-08  Richard Biener  <rguenther@suse.de>
7861
7862         PR middle-end/100951
7863         * tree-vect-generic.c (expand_vector_piecewise): Build a
7864         VECTOR_CST if all elements are constant.
7865         (expand_vector_condition): Likewise.
7866         (lower_vec_perm): Likewise.
7867         (expand_vector_conversion): Likewise.
7868
7869 2021-06-08  Martin Liska  <mliska@suse.cz>
7870
7871         * doc/invoke.texi: Document new param evrp-sparse-threshold.
7872
7873 2021-06-08  Martin Liska  <mliska@suse.cz>
7874
7875         * genautomata.c (create_automata): Fix typo.
7876
7877 2021-06-08  Kewen Lin  <linkw@linux.ibm.com>
7878
7879         PR tree-optimization/100794
7880         * tree-predcom.c (tree_predictive_commoning_loop): Add parameter
7881         allow_unroll_p and only allow unrolling when it's true.
7882         (tree_predictive_commoning): Add parameter allow_unroll_p and
7883         adjust for it.
7884         (run_tree_predictive_commoning): Likewise.
7885         (pass_predcom::gate): Check flag_tree_loop_vectorize and
7886         global_options_set.x_flag_predictive_commoning.
7887         (pass_predcom::execute): Adjust for allow_unroll_p.
7888
7889 2021-06-08  Kewen Lin  <linkw@linux.ibm.com>
7890
7891         * tree-predcom.c (execute_pred_commoning): Remove update_ssa call.
7892         (tree_predictive_commoning_loop): Factor some cleanup stuffs into
7893         lambda function cleanup, remove scev_reset call, and adjust return
7894         value.
7895         (tree_predictive_commoning): Adjust for different changed values,
7896         only set flag TODO_update_ssa_only_virtuals if changed.
7897         (pass_data pass_data_predcom): Remove TODO_update_ssa_only_virtuals
7898         from todo_flags_finish.
7899
7900 2021-06-07  Andrew MacLeod  <amacleod@redhat.com>
7901
7902         * gimple-range-cache.cc (class sbr_sparse_bitmap): New.
7903         (sbr_sparse_bitmap::sbr_sparse_bitmap): New.
7904         (sbr_sparse_bitmap::bitmap_set_quad): New.
7905         (sbr_sparse_bitmap::bitmap_get_quad): New.
7906         (sbr_sparse_bitmap::set_bb_range): New.
7907         (sbr_sparse_bitmap::get_bb_range): New.
7908         (sbr_sparse_bitmap::bb_range_p): New.
7909         (block_range_cache::block_range_cache): initialize bitmap obstack.
7910         (block_range_cache::~block_range_cache): Destruct obstack.
7911         (block_range_cache::set_bb_range): Decide when to utilze the
7912         sparse on entry cache.
7913         * gimple-range-cache.h (block_range_cache): Add bitmap obstack.
7914         * params.opt (-param=evrp-sparse-threshold): New.
7915
7916 2021-06-07  Andrew MacLeod  <amacleod@redhat.com>
7917
7918         * bitmap.c (bitmap_set_aligned_chunk): New.
7919         (bitmap_get_aligned_chunk): New.
7920         (test_aligned_chunk): New.
7921         (bitmap_c_tests): Call test_aligned_chunk.
7922         * bitmap.h (bitmap_set_aligned_chunk, bitmap_get_aligned_chunk): New.
7923
7924 2021-06-07  Uroš Bizjak  <ubizjak@gmail.com>
7925
7926         PR target/100637
7927         * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
7928         Handle V4QI mode.
7929         (ix86_expand_vector_init_one_nonzero): Ditto.
7930         (ix86_expand_vector_init_one_var): Ditto.
7931         (ix86_expand_vector_init_general): Ditto.
7932         * config/i386/mmx.md (vec_initv4qiqi): New expander.
7933
7934 2021-06-07  Jeff Law  <jeffreyalaw@gmail.com>
7935
7936         * config/h8300/movepush.md: Change most _clobber_flags
7937         patterns to instead use <cczn> subst.
7938         (movsi_cczn): New pattern with usable CC cases split out.
7939         (movsi_h8sx_cczn): Likewise.
7940
7941 2021-06-07  Martin Liska  <mliska@suse.cz>
7942
7943         * common/common-target.def: Split long lines and replace them
7944         with '\n\'.
7945         * target.def: Likewise.
7946         * doc/tm.texi: Re-generated.
7947
7948 2021-06-07  Jakub Jelinek  <jakub@redhat.com>
7949
7950         PR target/100887
7951         * fold-const.c (fold_read_from_vector): Return NULL if trying to
7952         read from a CONSTRUCTOR with vector type elements.
7953
7954 2021-06-07  Jakub Jelinek  <jakub@redhat.com>
7955
7956         PR middle-end/100898
7957         * tree-inline.c (copy_bb): Only use gimple_call_arg_ptr if memcpy
7958         should copy any arguments.  Don't call gimple_call_num_args
7959         on id->call_stmt or call_stmt more than once.
7960
7961 2021-06-07  liuhongt  <hongtao.liu@intel.com>
7962
7963         PR target/100885
7964         * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): Refine
7965         constraints.
7966         (<insn>v4siv4di2): Delete constraints for define_expand.
7967
7968 2021-06-07  liuhongt  <hongtao.liu@intel.com>
7969
7970         PR target/82735
7971         * config/i386/i386-expand.c (ix86_expand_builtin): Remove
7972         assignment of cfun->machine->has_explicit_vzeroupper.
7973         * config/i386/i386-features.c
7974         (ix86_add_reg_usage_to_vzerouppers): Delete.
7975         (ix86_add_reg_usage_to_vzeroupper): Ditto.
7976         (rest_of_handle_insert_vzeroupper): Remove
7977         ix86_add_reg_usage_to_vzerouppers, add df_analyze at the end
7978         of the function.
7979         (gate): Remove cfun->machine->has_explicit_vzeroupper.
7980         * config/i386/i386-protos.h (ix86_expand_avx_vzeroupper):
7981         Declared.
7982         * config/i386/i386.c (ix86_insn_callee_abi): New function.
7983         (ix86_initialize_callee_abi): Ditto.
7984         (ix86_expand_avx_vzeroupper): Ditto.
7985         (ix86_hard_regno_call_part_clobbered): Adjust for vzeroupper
7986         ABI.
7987         (TARGET_INSN_CALLEE_ABI): Define as ix86_insn_callee_abi.
7988         (ix86_emit_mode_set): Call ix86_expand_avx_vzeroupper
7989         directly.
7990         * config/i386/i386.h (struct GTY(()) machine_function): Delete
7991         has_explicit_vzeroupper.
7992         * config/i386/i386.md (enum unspec): New member
7993         UNSPEC_CALLEE_ABI.
7994         (ABI_DEFAULT,ABI_VZEROUPPER,ABI_UNKNOWN): New
7995         define_constants for insn callee abi index.
7996         * config/i386/predicates.md (vzeroupper_pattern): Adjust.
7997         * config/i386/sse.md (UNSPECV_VZEROUPPER): Deleted.
7998         (avx_vzeroupper): Call ix86_expand_avx_vzeroupper.
7999         (*avx_vzeroupper): Rename to ..
8000         (avx_vzeroupper_callee_abi): .. this, and adjust pattern as
8001         call_insn which has a special vzeroupper ABI.
8002         (*avx_vzeroupper_1): Deleted.
8003
8004 2021-06-07  liuhongt  <hongtao.liu@intel.com>
8005
8006         PR target/82735
8007         * df-scan.c (df_get_call_refs): When call_insn is a fake call,
8008         it won't use stack pointer reg.
8009         * final.c (leaf_function_p): When call_insn is a fake call, it
8010         won't affect caller as a leaf function.
8011         * reg-stack.c (callee_clobbers_any_stack_reg): New.
8012         (subst_stack_regs): When call_insn doesn't clobber any stack
8013         reg, don't clear the arguments.
8014         * rtl.c (shallow_copy_rtx): Don't clear flag used when orig is
8015         a insn.
8016         * shrink-wrap.c (requires_stack_frame_p): No need for stack
8017         frame for a fake call.
8018         * rtl.h (FAKE_CALL_P): New macro.
8019
8020 2021-06-06  Eric Botcazou  <ebotcazou@adacore.com>
8021
8022         * config/sparc/sparc-protos.h (order_regs_for_local_alloc): Rename
8023         to...
8024         (sparc_order_regs_for_local_alloc): ...this.
8025         (sparc_leaf_reg_remap): Declare.
8026         * config/sparc/sparc.h (ADJUST_REG_ALLOC_ORDER): Adjust.
8027         (LEAF_REG_REMAP): Reimplement as call to sparc_leaf_reg_remap.
8028         * config/sparc/sparc.c (leaf_reg_remap): Delete.
8029         (order_regs_for_local_alloc): Rename to...
8030         (sparc_order_regs_for_local_alloc): ...this.
8031         (sparc_leaf_reg_remap): New function.
8032         (sparc_conditional_register_usage): Do not modify leaf_reg_remap.
8033
8034 2021-06-06  David Edelsohn  <dje.gcc@gmail.com>
8035
8036         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_aligned_decl_common):
8037         Use assemble_name to output BSS section name.
8038
8039 2021-06-06  Uroš Bizjak  <ubizjak@gmail.com>
8040
8041         * config/i386/constraints.md (Bs):
8042         Remove boolean operators from match_test RTX.
8043         (Bw): Ditto.
8044         (L): Ditto.
8045         (M): Use "mode" variable instead of GET_MODE (op) in match_test RTX.
8046         (Wz): Ditto.
8047
8048 2021-06-06  Martin Liska  <mliska@suse.cz>
8049
8050         * doc/extend.texi: Add missing @headitem.
8051         * doc/invoke.texi: Likewise.
8052         * doc/objc.texi: Likewise.
8053
8054 2021-06-06  Martin Liska  <mliska@suse.cz>
8055
8056         * genhooks.c (emit_findices): Remove unused function.
8057         (emit_documentation): Do not call emit_findices
8058         and do not search for @Fcode directives.
8059
8060 2021-06-06  Martin Liska  <mliska@suse.cz>
8061
8062         * doc/invoke.texi: Remove extra character.
8063
8064 2021-06-05  Kewen Lin  <linkw@linux.ibm.com>
8065
8066         * config/sh/sh.md (doloop_end_split): Fix empty split condition.
8067
8068 2021-06-05  Kewen Lin  <linkw@linux.ibm.com>
8069
8070         * config/sparc/sparc.md (*snedi<W:mode>_zero_vis3,
8071         *neg_snedi<W:mode>_zero_subxc, *plus_snedi<W:mode>_zero,
8072         *plus_plus_snedi<W:mode>_zero, *minus_snedi<W:mode>_zero,
8073         *minus_minus_snedi<W:mode>_zero): Fix empty split condition.
8074
8075 2021-06-05  Kewen Lin  <linkw@linux.ibm.com>
8076
8077         * config/or1k/or1k.md (*movdi): Fix empty split condition.
8078
8079 2021-06-05  Kewen Lin  <linkw@linux.ibm.com>
8080
8081         * config/mips/mips.md (<anonymous>, bswapsi2, bswapdi2): Fix empty
8082         split condition.
8083
8084 2021-06-05  Kewen Lin  <linkw@linux.ibm.com>
8085
8086         * config/m68k/m68k.md (*zero_extend_inc, *zero_extend_dec,
8087         *zero_extendsidi2): Fix empty split condition.
8088
8089 2021-06-05  Jeff Law  <jeffreyalaw@gmail.com>
8090
8091         * config/h8300/addsub.md: Fix split condition in define_insn_and_split
8092         patterns.
8093         * config/h8300/bitfield.md: Likewise.
8094         * config/h8300/combiner.md: Likewise.
8095         * config/h8300/divmod.md: Likewise.
8096         * config/h8300/extensions.md: Likewise.
8097         * config/h8300/jumpcall.md: Likewise.
8098         * config/h8300/movepush.md: Likewise.
8099         * config/h8300/multiply.md: Likewise.
8100         * config/h8300/other.md: Likewise.
8101         * config/h8300/shiftrotate.md: Likewise.
8102         * config/h8300/logical.md: Likewise.  Fix split pattern to use
8103         code iterator that somehow slipped through.
8104
8105 2021-06-04  Tobias Burnus  <tobias@codesourcery.com>
8106
8107         PR middle-end/100905
8108         * tree-nested.c (convert_nonlocal_omp_clauses,
8109         convert_local_omp_clauses): Handle OMP_CLAUSE_BIND.
8110
8111 2021-06-04  Martin Sebor  <msebor@redhat.com>
8112
8113         PR middle-end/100732
8114         * gimple-fold.c (gimple_fold_builtin_sprintf): Avoid folding calls
8115         with either source or destination argument of invalid type.
8116         * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid checking
8117         calls with arguments of invalid type.
8118
8119 2021-06-04  Martin Sebor  <msebor@redhat.com>
8120
8121         * attribs.c (init_attr_rdwr_indices): Use VLA bounds in the expected
8122         order.
8123         (attr_access::vla_bounds): Also handle VLA bounds.
8124
8125 2021-06-04  Uroš Bizjak  <ubizjak@gmail.com>
8126
8127         * config/i386/predicates.md (GOT_memory_operand):
8128         Implement using match_code RTXes.
8129         (GOT32_symbol_operand): Ditto.
8130
8131 2021-06-04  Uroš Bizjak  <ubizjak@gmail.com>
8132
8133         PR target/100637
8134         * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate):
8135         Handle V2HI mode.
8136         (ix86_expand_vector_init_general): Ditto.
8137         Use SImode instead of word_mode for logic operations
8138         when GET_MODE_SIZE (mode) < UNITS_PER_WORD.
8139         (expand_vec_perm_even_odd_1): Assert that V2HI mode should be
8140         implemented by expand_vec_perm_1.
8141         (expand_vec_perm_broadcast_1): Assert that V2HI and V4HI modes
8142         should be implemented using standard shuffle patterns.
8143         (ix86_vectorize_vec_perm_const): Handle V2HImode.  Add V4HI and
8144         V2HI modes to modes, implementable with shuffle for one operand.
8145         * config/i386/mmx.md (*punpckwd): New insn_and_split pattern.
8146         (*pshufw_1): New insn pattern.
8147         (*vec_dupv2hi): Ditto.
8148         (vec_initv2hihi): New expander.
8149
8150 2021-06-04  Kewen Lin  <linkw@linux.ibm.com>
8151
8152         * config/arm/vfp.md (no_literal_pool_df_immediate,
8153         no_literal_pool_sf_immediate): Fix empty split condition.
8154
8155 2021-06-04  Kewen Lin  <linkw@linux.ibm.com>
8156
8157         * config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
8158         *tls_dynamic_gnu2_combine_32): Fix empty split condition.
8159         * config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
8160         *<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
8161         *<sse4_1_avx2>_pblendvb_lt): Likewise.
8162
8163 2021-06-04  Jakub Jelinek  <jakub@redhat.com>
8164
8165         PR target/100887
8166         * config/i386/i386-expand.c (ix86_expand_vector_init): Handle
8167         concatenation from half-sized modes with TImode elements.
8168
8169 2021-06-04  Claudiu Zissulescu  <claziss@synopsys.com>
8170
8171         * config/arc/arc.c (arc_override_options): Disable millicode
8172         thunks when RF16 is on.
8173
8174 2021-06-04  Haochen Gui  <guihaoc@gcc.gnu.org>
8175
8176         * config/rs6000/rs6000.h (PROMOTE_MODE): Remove.
8177
8178 2021-06-04  Haochen Gui  <guihaoc@gcc.gnu.org>
8179
8180         * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
8181         Replace PROMOTE_MODE marco with its content.
8182
8183 2021-06-03  Kewen Lin  <linkw@linux.ibm.com>
8184
8185         * config/cris/cris.md (*addi_reload): Fix empty split condition.
8186
8187 2021-06-03  Jim Wilson  <jimw@sifive.com>
8188
8189         * config.gcc (riscv*-*-*): If --with-riscv-attribute not used,
8190         turn it on for all riscv targets.
8191
8192 2021-06-03  Uroš Bizjak  <ubizjak@gmail.com>
8193
8194         PR target/100637
8195         * config/i386/i386-expand.c (ix86_expand_vector_set):
8196         Handle V2HI and V4QI modes.
8197         (ix86_expand_vector_extract): Ditto.
8198         * config/i386/mmx.md (*pinsrw): New insn pattern.
8199         (*pinsrb): Ditto.
8200         (*pextrw): Ditto.
8201         (*pextrw_zext): Ditto.
8202         (*pextrb): Ditto.
8203         (*pextrb_zext): Ditto.
8204         (vec_setv2hi): New expander.
8205         (vec_extractv2hihi): Ditto.
8206         (vec_setv4qi): Ditto.
8207         (vec_extractv4qiqi): Ditto.
8208         (vec_setv8qi): Enable only for TARGET_SSE4_1.
8209         (vec_extractv8qiqi): Ditto.
8210
8211 2021-06-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
8212
8213         * config/rs6000/genfusion.pl (gen_logical_addsubf): Fix input
8214         order to subf instruction.
8215         * config/rs6000/fusion.md: Regenerate.
8216
8217 2021-06-03  Aldy Hernandez  <aldyh@redhat.com>
8218
8219         * calls.c (get_size_range): Use range_of_expr instead of
8220         determine_value_range.
8221         * tree-affine.c (expr_to_aff_combination): Same.
8222         * tree-data-ref.c (split_constant_offset): Same.
8223         * tree-vrp.c (determine_value_range_1): Remove.
8224         (determine_value_range): Remove.
8225         * tree-vrp.h (determine_value_range): Remove.
8226
8227 2021-06-03  Aldy Hernandez  <aldyh@redhat.com>
8228
8229         * function-tests.c (test_ranges): Call gimple_range_tests.
8230         * gimple-range-cache.cc (ranger_cache::range_of_expr): Pass stmt
8231         to get_tree_range.
8232         * gimple-range.cc (fur_source::get_operand): Do not call
8233         get_tree_range or gimple_range_global.
8234         get_tree_range.
8235         (get_tree_range): Move to value-query.cc.
8236         Call get_arith_expr_range.
8237         (gimple_ranger::range_of_expr): Add argument to get_tree_range.
8238         Include gimple-range-tests.cc.
8239         * gimple-range.h (fold_range): Add argument.
8240         (get_tree_range): Remove.
8241         * selftest.h (gimple_range_tests): New.
8242         * value-query.cc (global_range_query::range_of_expr): Add
8243         stmt argument.
8244         (range_query::get_tree_range): Move from gimple-range.cc.
8245         * value-query.h (class range_query): Add get_tree_range and
8246         get_arith_expr_range.  Make fur_source a friend.
8247         * vr-values.c (vr_values::range_of_expr): Pass stmt to
8248         get_tree_range.
8249         * gimple-range-tests.cc: New file.
8250
8251 2021-06-03  Aldy Hernandez  <aldyh@redhat.com>
8252
8253         * gimple-range.cc (gimple_ranger::export_global_ranges): Call
8254           update_global_range.
8255         * value-query.cc (update_global_range): New.
8256         * value-query.h (update_global_range): New.
8257
8258 2021-06-03  David Malcolm  <dmalcolm@redhat.com>
8259
8260         * diagnostic-show-locus.c (diagnostic_show_locus): Don't reject
8261         printing the same location twice if there are fix-it hints,
8262         multiple locations, or a label.
8263
8264 2021-06-03  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8265
8266         * tree-vect-loop.c (vect_transform_loop): Use main loop's various'
8267         thresholds to narrow the upper bound on epilogue iterations.
8268
8269 2021-06-03  Christophe Lyon  <christophe.lyon@linaro.org>
8270
8271         * config/arm/mve.md (mve_vabsq_f<mode>): Use 'abs' instead of unspec.
8272         (mve_vabsq_s<mode>): Likewise.
8273         * config/arm/neon.md (abs<mode>2): Rename to neon_abs<mode>2.
8274         * config/arm/unspecs.md (VABSQ_F, VABSQ_S): Delete.
8275         * config/arm/vec-common.md (neg<mode>2): Rename to
8276         <absneg_str><mode>2.
8277
8278 2021-06-03  Claudiu Zissulescu  <claziss@synopsys.com>
8279
8280         * common/config/arc/arc-common.c (arc_option_optimization_table):
8281         Remove malign-call.
8282         * config/arc/arc.c (arc_unalign_branch_p): Remove unused function.
8283         * config/arc/arc.h (TARGET_MIXED_CODE): Remove macro.
8284         (INDEX_REG_CLASS): Only refer to GENERAL_REGS.
8285         * config/arc/arc.md (abssi2_mixed): Remove pattern.
8286         * config/arc/arc.opt (munalign-prob-threshold): Mark it obsolete.
8287         (malign-call): Likewise.
8288         (mmixed-code): Likewise.
8289         * doc/invoke.texi (ARC): Update doc.
8290
8291 2021-06-03  Martin Liska  <mliska@suse.cz>
8292
8293         * common.opt: Use proper Enum values.
8294         * opts.c (COVERAGE_SANITIZER_OPT): Remove.
8295         (parse_sanitizer_options): Handle only sanitizer_opts.
8296         (common_handle_option): Just assign value.
8297
8298 2021-06-03  Eric Botcazou  <ebotcazou@adacore.com>
8299
8300         PR ipa/99122
8301         * tree-inline.c (inline_forbidden_p): Remove test on return type.
8302
8303 2021-06-03  Eric Botcazou  <ebotcazou@adacore.com>
8304
8305         * dwarf2out.c (loc_list_from_tree_1) <FUNCTION_DECL>: Also generate
8306         DW_OP_GNU_variable_value referencing an existing DIE at file scope.
8307         (type_byte_size): Inline into...
8308         (add_byte_size_attribute): ...this and call add_scalar_info.
8309
8310 2021-06-03  Eric Botcazou  <ebotcazou@adacore.com>
8311
8312         * dwarf2out.c (mem_loc_descriptor) <UDIV>: Fix typo.
8313         (typed_binop_from_tree): New function.
8314         (loc_list_from_tree_1) <EXACT_DIV_EXPR>: For an unsigned type,
8315         turn a divide by a power of 2 into a shift.
8316         <CEIL_DIV_EXPR>: For an unsigned type, use a signed divide if the
8317         size of the mode is lower than DWARF2_ADDR_SIZE; otherwise, do a
8318         typed divide by calling typed_binop_from_tree.
8319
8320 2021-06-03  Eric Botcazou  <ebotcazou@adacore.com>
8321
8322         * dwarf2out.c (scompare_loc_descriptor): Fix head comment.
8323         (is_handled_procedure_type): Likewise.
8324         (struct loc_descr_context): Add strict_signedness field.
8325         (resolve_args_picking_1): Deal with DW_OP_[GNU_]deref_type,
8326         DW_OP_[GNU_]convert and DW_OP_[GNU_]reinterpret.
8327         (resolve_args_picking): Minor tweak.
8328         (function_to_dwarf_procedure): Initialize strict_signedness field.
8329         (type_byte_size): Likewise.
8330         (field_byte_offset): Likewise.
8331         (gen_descr_array_type_die): Likewise.
8332         (gen_variant_part): Likewise.
8333         (loc_list_from_tree_1) <CALL_EXPR>: Tidy up and set strict_signedness
8334         to true when a context is present before evaluating the arguments.
8335         <COND_EXPR>: Do not generate a useless comparison with zero.
8336         When dereferencing an address, if strict_signedness is true and the
8337         type is small and signed, use DW_OP_deref_type to do the dereference
8338         and then DW_OP_convert to convert back to the generic type.
8339
8340 2021-06-03  Jakub Jelinek  <jakub@redhat.com>
8341
8342         PR c++/100859
8343         * tree-inline.c (copy_tree_body_r): Handle iterators on
8344         OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
8345
8346 2021-06-03  Kewen Lin  <linkw@linux.ibm.com>
8347
8348         * config/arc/arc.md (*bbit_di): Remove.
8349
8350 2021-06-02  Christoph Muellner  <cmuellner@gcc.gnu.org>
8351
8352         PR rtl-optimization/100264
8353         * ree.c (get_sub_rtx): Ignore SET expressions without register
8354         destinations and remove assertion, as it is not valid anymore
8355         with this new behaviour.
8356         (merge_def_and_ext): Eliminate destination check for register
8357         as such SET expressions can't occur anymore.
8358         (combine_reaching_defs): Likewise.
8359
8360 2021-06-02  Jakub Jelinek  <jakub@redhat.com>
8361
8362         PR target/100841
8363         * config/xtensa/xtensa.h (LEAF_REG_REMAP): Cast REGNO to int to avoid
8364         -Wtype-limits warnings.
8365         (DWARF_FRAME_REGISTER): Rewrite into ternary operator with addition
8366         in operands to avoid -Wsign-compare warnings.
8367
8368 2021-06-02  Pat Haugen  <pthaugen@linux.ibm.com>
8369
8370         * config/rs6000/rs6000-logue.c (rs6000_emit_prologue): Use
8371         gen_frame_store.
8372
8373 2021-06-02  Vineet Gupta  <vgupta@synopsys.com>
8374
8375         * config/arc/arc.h (TARGET_CPU_DEFAULT): Change to hs38_linux.
8376
8377 2021-06-02  Ilya Leoshkevich  <iii@linux.ibm.com>
8378
8379         * config/s390/s390.md(*ashrdi3_31<setcc><cconly>): Use a single
8380         constraint.
8381         * config/s390/subst.md(cconly_subst): Use a single constraint
8382         in (match_scratch).
8383
8384 2021-06-02  Martin Liska  <mliska@suse.cz>
8385
8386         * ipa-icf.h: Use auto_vec for memory_access_types.
8387
8388 2021-06-02  Jeff Law  <jeffreyalaw@gmail.com>
8389
8390         * config/h8300/h8300-protos.h (compute_a_shift_length): Drop unused
8391         argument from prototype.
8392         (output_logical_op): Add rtx_code argument.
8393         (compute_logical_op_length): Likewise.
8394         * config/h8300/h8300.c (h8300_and_costs): Pass additional argument
8395         to compute_a_shift_length.
8396         (output_logical_op); New argument with the rtx code rather than
8397         extracting it from an operand.  Handle QImode too.
8398         (compute_logical_op_length): Similary.
8399         (compute_a_shift_length): Drop unused argument.
8400         * config/h8300/h8300.md (logicals): New code iterator.
8401         * config/h8300/logical.md (<code><mode>3 expander): Combine
8402         the "and" expander with the "ior"/"xor" expander.
8403         (bclr<mode>msx): Combine the QI/HI mode patterns.
8404         (<logical><mode>3 insns): Use code iterator rather than match_operator.
8405         Handle QImode as well.   Update call to output_logical_op and
8406         compute_logical_op_length to pass in rtx_code
8407         Fix split condition on all define_insn_and_split patterns.
8408         (one_cmpl<mode>2<cczn>): Use <cczn> to support both clobbering
8409         the flags and setting ZN via existing define_subst.
8410         * config/h8300/shiftrotate.md: Drop unused argument from
8411         calls to compute_a_shift_length.
8412         Signed-off-by: Jeff Law <jeffreyalaw@gmail.com>
8413
8414 2021-06-01  Andrew Pinski  <apinski@marvell.com>
8415
8416         PR tree-optimization/25290
8417         * tree-ssa-phiopt.c (match_simplify_replacement):
8418         New function.
8419         (tree_ssa_phiopt_worker): Use match_simplify_replacement.
8420         (two_value_replacement): Change the comment about
8421         conditional_replacement.
8422         (conditional_replacement): Delete.
8423
8424 2021-06-01  Andrew Pinski  <apinski@marvell.com>
8425
8426         PR tree-optimization/95481
8427         * tree-tailcall.c (find_tail_calls): Handle empty typed
8428         return decls.
8429
8430 2021-06-01  Andrew Pinski  <apinski@marvell.com>
8431
8432         * gimplify.c (zero_sized_field_decl): Delete
8433         (zero_sized_type): Delete
8434         (gimplify_init_ctor_eval): Use is_empty_type instead
8435         of zero_sized_field_decl.
8436         (gimplify_modify_expr): Use is_empty_type instead of
8437         zero_sized_type.
8438
8439 2021-06-01  Jason Merrill  <jason@redhat.com>
8440
8441         PR c++/91859
8442         * tree.h (CALL_FROM_NEW_OR_DELETE_P): Adjust comment.
8443
8444 2021-06-01  Jason Merrill  <jason@redhat.com>
8445
8446         PR c++/94492
8447         * diagnostic.h (warning_enabled_at): Declare.
8448         * diagnostic.c (diagnostic_enabled): Factor out from...
8449         (diagnostic_report_diagnostic): ...here.
8450         (warning_enabled_at): New.
8451
8452 2021-06-01  Aldy Hernandez  <aldyh@redhat.com>
8453
8454         * gimple-ssa-evrp.c: Enable exporting of global ranges.
8455
8456 2021-06-01  Martin Liska  <mliska@suse.cz>
8457
8458         PR other/100826
8459         * doc/invoke.texi: Mention that -fgcse-after-reload
8460         is enabled with -O3.
8461
8462 2021-06-01  liuhongt  <hongtao.liu@intel.com>
8463
8464         PR tree-optimization/98365
8465         * tree-if-conv.c (strip_nop_cond_scalar_reduction): New function.
8466         (is_cond_scalar_reduction): Handle nop_expr in cond scalar reduction.
8467         (convert_scalar_cond_reduction): Ditto.
8468         (predicate_scalar_phi): Ditto.
8469
8470 2021-06-01  Andrew MacLeod  <amacleod@redhat.com>
8471
8472         PR tree-optimization/100781
8473         * gimple-range-cache.cc (ranger_cache::ranger_cache): Enable new
8474         value calculation by default.
8475         (ranger_cache::enable_new_values): New.
8476         (ranger_cache::disable_new_values): New.
8477         (ranger_cache::push_poor_value): Check if new values are allowed.
8478         * gimple-range-cache.h (class ranger_cache): New member/methods.
8479         * gimple-range.cc (gimple_ranger::range_of_expr): Check for debug
8480         statement, and disable/renable new value calculation.
8481
8482 2021-06-01  Andrew MacLeod  <amacleod@redhat.com>
8483
8484         * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Delete.
8485         (ranger_cache::range_of_def): New.
8486         (ranger_cache::entry_range): New.
8487         (ranger_cache::exit_range): New.
8488         (ranger_cache::range_of_expr): Adjust.
8489         (ranger_cache::range_on_edge): Adjust.
8490         (ranger_cache::propagate_cache): Call exit_range directly.
8491         * gimple-range-cache.h (class ranger_cache): Adjust.
8492
8493 2021-06-01  Andrew MacLeod  <amacleod@redhat.com>
8494
8495         * gimple-range-cache.cc (ranger_cache::ranger_cache): Adjust for
8496         gori_compute being a member rather than base class.
8497         dervied call to member call.
8498         (ranger_cache::dump): No longer dump gori_map.
8499         (ranger_cache::dump_bb): New.
8500         (ranger_cache::get_non_stale_global_range): Adjust for gori_compute
8501         being a member rather than base class.
8502         (ranger_cache::set_global_range): Ditto.
8503         (ranger_cache::ssa_range_in_bb): Ditto.
8504         (ranger_cache::range_of_expr): New.
8505         (ranger_cache::range_on_edge): New.
8506         (ranger_cache::block_range): Adjust for gori_computes.  Debug changes.
8507         (ranger_cache::propagate_cache):  Adjust debugging output.
8508         (ranger_cache::fill_block_cache): Adjust for gori_computes.  Debug
8509         output changes.
8510         * gimple-range-cache.h (class ranger_cache): Make gori_compute a
8511         member, and inherit from range_query instead.
8512         (ranger_cache::dump_bb): New. split from dump.
8513         * gimple-range-gori.cc (gori_compute::ssa_range_in_bb): Delete.
8514         (gori_compute::expr_range_at_stmt): Delete.
8515         (gori_compute::compute_name_range_op): Delete.
8516         (gori_compute::compute_operand_range_switch): Add fur_source.
8517         (gori_compute::compute_operand_range): Add fur_source param, inline
8518         old compute_name_range_op and optimize_logical_operands.
8519         (struct tf_range): Delete.
8520         (gori_compute::logical_combine): Adjust
8521         (gori_compute::optimize_logical_operands): Delete.
8522         (gori_compute::compute_logical_operands_in_chain): Delete.
8523         (gori_compute::compute_logical_operands): Adjust.
8524         (gori_compute::compute_operand1_range): Adjust to fur_source.
8525         (gori_compute::compute_operand2_range): Ditto.
8526         (gori_compute::compute_operand1_and_operand2_range): Ditto.
8527         (gori_compute::outgoing_edge_range_p): Add range_query parameter,
8528         and adjust to fur_source.
8529         * gimple-range-gori.h (class gori_compute): Simplify and adjust to
8530         range_query and fur_source.
8531         * gimple-range.cc (gimple_ranger::range_on_edge): Query range_on_edge
8532         from the ranger_cache..
8533         (gimple_ranger::fold_range_internal): Adjust to base class change of
8534         ranger_cache.
8535         (gimple_ranger::dump_bb): Adjust dump.
8536         * gimple-range.h (gimple_ranger):export gori computes object.
8537
8538 2021-06-01  Andrew MacLeod  <amacleod@redhat.com>
8539
8540         PR tree-optimization/100774
8541         * gimple-range-cache.cc (ranger_cache::get_non_stale_global_range):
8542         Constant values are also not stale.
8543         (ranger_cache::set_global_range): Range invariant values should also
8544         have the correct timestamp.
8545
8546 2021-05-31  Martin Liska  <mliska@suse.cz>
8547
8548         * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
8549         Unpack FUNCTION_DECL_DECL_TYPE.
8550         * tree-streamer-out.c (pack_ts_function_decl_value_fields):
8551         Stream FUNCTION_DECL_DECL_TYPE instead of
8552         DECL_IS_OPERATOR_NEW_P.
8553         * tree.h (set_function_decl_type): Use FUNCTION_DECL_DECL_TYPE
8554         macro.
8555         (DECL_IS_OPERATOR_NEW_P): Likewise.
8556         (DECL_IS_OPERATOR_DELETE_P): Likewise.
8557         (DECL_LAMBDA_FUNCTION_P): Likewise.
8558
8559 2021-05-31  Richard Biener  <rguenther@suse.de>
8560
8561         PR c++/88601
8562         * internal-fn.c (expand_SHUFFLEVECTOR): Define.
8563         * internal-fn.def (SHUFFLEVECTOR): New.
8564         * internal-fn.h (expand_SHUFFLEVECTOR): Declare.
8565         * doc/extend.texi: Document __builtin_shufflevector.
8566
8567 2021-05-31  Peter Bergner  <bergner@linux.ibm.com>
8568
8569         PR target/99842
8570         * config/rs6000/predicates.md(mma_assemble_input_operand): Allow
8571         indexed form addresses.
8572
8573 2021-05-29  Jeff Law  <jlaw@tachyum.com>
8574
8575         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Drop unused
8576         parameter.  Call callers fixed.
8577         (push): Likewise.
8578         (output_plussi): Add FALLTHRU markers.
8579         (h8300_shift_needs_scratch_p): Add gcc_unreachable marker.
8580
8581 2021-05-29  Jakub Jelinek  <jakub@redhat.com>
8582
8583         PR middle-end/99928
8584         * gimplify.c (gimplify_scan_omp_clauses): For taskloop simd
8585         combined with parallel, make sure to add shared clause to
8586         parallel for explicit linear clause.
8587
8588 2021-05-29  Aldy Hernandez  <aldyh@redhat.com>
8589
8590         PR tree-optimization/100787
8591         * gimple-ssa-evrp.c: Disable exporting of global ranges.
8592
8593 2021-05-28  Jason Merrill  <jason@redhat.com>
8594
8595         * tree-iterator.h (struct tree_stmt_iterator): Add operator++,
8596         operator--, operator*, operator==, and operator!=.
8597         (class tsi_range): New.
8598
8599 2021-05-28  Richard Biener  <rguenther@suse.de>
8600
8601         PR tree-optimization/100778
8602         * tree-vect-slp.c (vect_build_slp_tree_1): Prevent possibly
8603         trapping ops in different BBs.
8604
8605 2021-05-28  Richard Biener  <rguenther@suse.de>
8606
8607         PR ipa/100791
8608         * tree-inline.c (copy_bb): When processing __builtin_va_arg_pack
8609         copy fntype from original call.
8610
8611 2021-05-28  Martin Liska  <mliska@suse.cz>
8612
8613         PR gcov-profile/100751
8614         * doc/gcov.texi: Revert partially a hunk that was wrong.
8615
8616 2021-05-28  Cooper Qu  <cooper.qu@linux.alibaba.com>
8617
8618         * config/csky/csky-linux-elf.h (HAVE_sync_compare_and_swapqi):
8619         Defined.
8620         (HAVE_sync_compare_and_swaphi): Likewise.
8621         (HAVE_sync_compare_and_swapsi): Likewise.
8622
8623 2021-05-28  Jakub Jelinek  <jakub@redhat.com>
8624
8625         PR middle-end/99928
8626         * tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
8627
8628 2021-05-28  Tobias Burnus  <tobias@codesourcery.com>
8629
8630         * gimplify.c (gimplify_omp_affinity): New.
8631         (gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
8632         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
8633         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
8634         * tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
8635         (walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
8636
8637 2021-05-28  Joern Rennecke  <joern.rennecke@riscy-ip.com>
8638             Richard Biener   <rguenther@suse.de>
8639
8640         * match.pd <popcount & / + pattern matching>:
8641         When generating popcount directly fails, try doing it in two halves.
8642
8643 2021-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8644
8645         * Makefile.in (generated_files): Add gimple-match.c and
8646         generic-match.c
8647
8648 2021-05-28  Joern Rennecke  <joern.rennecke@embecosm.com>
8649
8650         * gensupport.c (alter_predicate_for_insn): Handle MATCH_DUP.
8651
8652 2021-05-28  Joern Rennecke  <joern.rennecke@embecosm.com>
8653
8654         * gensupport.c (alter_constraints): Add MATCH_SCRATCH case.
8655
8656 2021-05-28  Kewen Lin  <linkw@linux.ibm.com>
8657
8658         PR tree-optimization/99398
8659         * tree-ssa-forwprop.c (simplify_permutation): Optimize some cases
8660         where the fed operands are CTOR/CST and propagated through
8661         VIEW_CONVERT_EXPR.  Call vec_perm_indices::new_shrunk_vector.
8662         * vec-perm-indices.c (vec_perm_indices::new_shrunk_vector): New
8663         function.
8664         * vec-perm-indices.h (vec_perm_indices::new_shrunk_vector): New
8665         declare.
8666
8667 2021-05-27  Uroš Bizjak  <ubizjak@gmail.com>
8668
8669         * config/i386/mmx.md (addv2sf3): Do not call
8670         ix86_fixup_binary_operands_no_copy.
8671         (subv2sf3): Ditto.
8672         (mulv2sf3): Ditto.
8673         (<smaxmin:code>v2sf3): Ditto.
8674         (<plusminus:insn><MMXMODEI:mode>3): Ditto.
8675         (<plusminus:insn><VI_32:mode>3): Remove expander.
8676         (<plusminus:insn><VI_32:mode>3): Rename from
8677         "*<plusminus:insn><VI_32:mode>3".
8678         (mulv4hi): Do not call ix86_fixup_binary_operands_no_copy.
8679         (mulv2hi3): Remove expander.
8680         (mulv2hi3): Rename from *mulv2hi3.
8681         (<s>mulv2hi3_highpart): Remove expander.
8682         (<s>mulv2hi3_highpart): Rename from *<s>mulv2hi3_highpart.
8683         (<smaxmin:code><MMXMODE14:mode>3): Rename from
8684         "*mmx_<smaxmin:code><MMXMODE14:mode>3".
8685         (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Remove expander.
8686         (SMAXMIN_MMXMODEI): Remove mode iterator.
8687         (<smaxmin:code>v4hi3): New expander.
8688         (<smaxmin:code>v4qi3): Rename from *<smaxmin:code>v4qi3.
8689         (<smaxmin:code>v2hi3): Rename from *<smaxmin:code>v2hi3.
8690         (<smaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
8691         (SMAXMIN_VI_32): Remove mode iterator.
8692         (<umaxmin:code><MMXMODE24:mode>3): Rename from
8693         "*mmx_<umaxmin:code><MMXMODE24:mode>3".
8694         (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Remove expander.
8695         (UMAXMIN_MMXMODEI): Remove mode iterator.
8696         (<umaxmin:code>v8qi3): New expander.
8697         (<umaxmin:code>v4qi3): Rename from *<umaxmin:code>v4qi3.
8698         (<umaxmin:code>v2hi3): Rename from *<umaxmin:code>v2hi3.
8699         (<umaxmin:code><SMAXMIN_VI_32:mode>3): Remove expander.
8700         (UMAXMIN_VI_32): Remove mode iterator.
8701         (<any_shift:insn>v2hi3): Remove expander.
8702         (<any_shift:insn>v2hi3): Rename from *<any_shift:insn>v2hi3.
8703         (<any_logic:code><MMXMODEI:mode>3): Do not call
8704         ix86_fixup_binary_operands_no_copy.
8705         (<any_logic:code><VI_32:mode>3): Remove expander.
8706         (<any_logic:code><VI_32:mode>3): Rename from
8707         "*<any_logic:code><VI_32:mode>3".
8708         (uavg<mode>3_ceil): Do not call ix86_fixup_binary_operands_no_copy.
8709         * config/i386/sse.md (div<VF2:mode>3): Do not call
8710         ix86_fixup_binary_operands_no_copy.
8711         (div<VF1:mode>3): Ditto.
8712         (<maxmin:code><VI8_AVX2_AVX512F:mode>3): Ditto.
8713         (smulhrsv4hi3): Ditto.
8714         (smulhrsv2hi3): Ditto.
8715
8716 2021-05-27  Martin Sebor  <msebor@redhat.com>
8717
8718         * ggc.h (gt_ggc_mx): Add overloads for all integers.
8719         (gt_pch_nx):  Same.
8720         * hash-map.h (class hash_map): Add pch_nx_helper overloads for all
8721         integers.
8722         (hash_map::operator==): New function.
8723
8724 2021-05-27  Uroš Bizjak  <ubizjak@gmail.com>
8725
8726         PR target/100637
8727         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
8728         For TARGET_XOP bypass SSE comparisons for all supported vector modes.
8729         * config/i386/mmx.md (*xop_maskcmp<MMXMODEI:mode>3): New insn pattern.
8730         (*xop_maskcmp<VI_32:mode>3): Ditto.
8731         (*xop_maskcmp_uns<MMXMODEI:mode>3): Ditto.
8732         (*xop_maskcmp_uns<VI_32:mode>3): Ditto.
8733
8734 2021-05-27  Richard Earnshaw  <rearnsha@arm.com>
8735
8736         PR target/100767
8737         * config/arm/arm.c (arm_configure_build_target): Remove parameter
8738         opts_set, directly check opts parameters for being non-null.
8739         (arm_option_restore): Update call to arm_configure_build_target.
8740         (arm_option_override): Likewise.
8741         (arm_can_inline_p): Likewise.
8742         (arm_valid_target_attribute_tree): Likewise.
8743         * config/arm/arm-c.c (arm_pragma_target_parse): Likewise.
8744         * config/arm/arm-protos.h (arm_configure_build_target): Adjust
8745         prototype.
8746
8747 2021-05-27  Aldy Hernandez  <aldyh@redhat.com>
8748
8749         * vr-values.c (simplify_conversion_using_ranges): Use
8750         get_range_query instead of get_global_range_query.
8751
8752 2021-05-27  Aldy Hernandez  <aldyh@redhat.com>
8753
8754         * gimple-range.cc (get_range_global): Move to value-query.cc.
8755         (gimple_range_global): Same.
8756         (get_global_range_query): Same.
8757         (global_range_query::range_of_expr): Same.
8758         * gimple-range.h (class global_range_query): Move to
8759         value-query.h.
8760         (gimple_range_global): Same.
8761         * tree-ssanames.c (get_range_info): Move to value-query.cc.
8762         (get_ptr_nonnull): Same.
8763         * tree-ssanames.h (get_range_info): Remove.
8764         (get_ptr_nonnull): Remove.
8765         * value-query.cc (get_ssa_name_range_info): Move from
8766         tree-ssanames.c.
8767         (get_ssa_name_ptr_info_nonnull): Same.
8768         (get_range_global): Move from gimple-range.cc.
8769         (gimple_range_global): Same.
8770         (get_global_range_query): Same.
8771         (global_range_query::range_of_expr): Same.
8772         * value-query.h (class global_range_query): Move from
8773         gimple-range.h.
8774         (gimple_range_global): Same.
8775
8776 2021-05-27  Uroš Bizjak  <ubizjak@gmail.com>
8777
8778         PR target/100637
8779         * config/i386/mmx.md (uavgv4qi3_ceil): New insn pattern.
8780         (uavgv2hi3_ceil): Ditto.
8781
8782 2021-05-26  Eric Botcazou  <ebotcazou@adacore.com>
8783
8784         PR c/100653
8785         * doc/extend.texi (scalar_storage_order): Rephrase slightly.
8786
8787 2021-05-26  Aldy Hernandez  <aldyh@redhat.com>
8788
8789         * tree-ssanames.c (get_range_info): Merge both copies of
8790         get_range_info into one that works with irange.
8791         * tree-ssanames.h (get_range_info): Remove version that works on
8792         wide_ints.
8793
8794 2021-05-26  Aldy Hernandez  <aldyh@redhat.com>
8795
8796         * builtins.c (check_nul_terminated_array): Convert to get_range_query.
8797         (expand_builtin_strnlen): Same.
8798         (determine_block_size): Same.
8799         * fold-const.c (expr_not_equal_to): Same.
8800         * gimple-fold.c (size_must_be_zero_p): Same.
8801         * gimple-match-head.c: Include gimple-range.h.
8802         * gimple-pretty-print.c (dump_ssaname_info): Convert to get_range_query.
8803         * gimple-ssa-warn-restrict.c
8804         (builtin_memref::extend_offset_range): Same.
8805         * graphite-sese-to-poly.c (add_param_constraints): Same.
8806         * internal-fn.c (get_min_precision): Same.
8807         * ipa-fnsummary.c (set_switch_stmt_execution_predicate): Same.
8808         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Same.
8809         * match.pd: Same.
8810         * tree-data-ref.c (split_constant_offset): Same.
8811         (dr_step_indicator): Same.
8812         * tree-dfa.c (get_ref_base_and_extent): Same.
8813         * tree-scalar-evolution.c (iv_can_overflow_p): Same.
8814         * tree-ssa-loop-niter.c (refine_value_range_using_guard): Same.
8815         (determine_value_range): Same.
8816         (record_nonwrapping_iv): Same.
8817         (infer_loop_bounds_from_signedness): Same.
8818         (scev_var_range_cant_overflow): Same.
8819         * tree-ssa-phiopt.c (two_value_replacement): Same.
8820         * tree-ssa-pre.c (insert_into_preds_of_block): Same.
8821         * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Same.
8822         * tree-ssa-strlen.c (handle_builtin_stxncpy_strncat): Same.
8823         (get_range): Same.
8824         (dump_strlen_info): Same.
8825         (set_strlen_range): Same.
8826         (maybe_diag_stxncpy_trunc): Same.
8827         (get_len_or_size): Same.
8828         (handle_integral_assign): Same.
8829         * tree-ssa-structalias.c (find_what_p_points_to): Same.
8830         * tree-ssa-uninit.c (find_var_cmp_const): Same.
8831         * tree-switch-conversion.c (bit_test_cluster::emit): Same.
8832         * tree-vect-patterns.c (vect_get_range_info): Same.
8833         (vect_recog_divmod_pattern): Same.
8834         * tree-vrp.c (intersect_range_with_nonzero_bits): Same.
8835         (register_edge_assert_for_2): Same.
8836         (determine_value_range_1): Same.
8837         * tree.c (get_range_pos_neg): Same.
8838         * vr-values.c (vr_values::get_lattice_entry): Same.
8839         (vr_values::update_value_range): Same.
8840         (simplify_conversion_using_ranges): Same.
8841
8842 2021-05-26  Aldy Hernandez  <aldyh@redhat.com>
8843
8844         * gimple-ssa-warn-alloca.c (alloca_call_type): Use
8845           get_range_query instead of query argument.
8846         (pass_walloca::execute): Enable and disable global ranger.
8847
8848 2021-05-26  Aldy Hernandez  <aldyh@redhat.com>
8849
8850         * gimple-ssa-evrp.c (rvrp_folder::rvrp_folder): Call
8851         enable_ranger.
8852         (rvrp_folder::~rvrp_folder): Call disable_ranger.
8853         (hybrid_folder::hybrid_folder): Call enable_ranger.
8854         (hybrid_folder::~hybrid_folder): Call disable_ranger.
8855
8856 2021-05-26  Aldy Hernandez  <aldyh@redhat.com>
8857
8858         * function.c (allocate_struct_function): Set cfun->x_range_query.
8859         * function.h (struct function): Declare x_range_query.
8860         (get_range_query): New.
8861         (get_global_range_query): New.
8862         * gimple-range-cache.cc (ssa_global_cache::ssa_global_cache):
8863         Remove call to safe_grow_cleared.
8864         * gimple-range.cc (get_range_global): New.
8865         (gimple_range_global): Move from gimple-range.h.
8866         (get_global_range_query): New.
8867         (global_range_query::range_of_expr): New.
8868         (enable_ranger): New.
8869         (disable_ranger): New.
8870         * gimple-range.h (gimple_range_global): Move to gimple-range.cc.
8871         (class global_range_query): New.
8872         (enable_ranger): New.
8873         (disable_ranger): New.
8874         * gimple-ssa-evrp.c (evrp_folder::~evrp_folder): Rename
8875         dump_all_value_ranges to dump.
8876         * tree-vrp.c (vrp_prop::finalize): Same.
8877         * value-query.cc (range_query::dump): New.
8878         * value-query.h (range_query::dump): New.
8879         * vr-values.c (vr_values::dump_all_value_ranges): Rename to...
8880         (vr_values::dump): ...this.
8881         * vr-values.h (class vr_values): Rename dump_all_value_ranges to
8882         dump and make virtual.
8883
8884 2021-05-26  Uroš Bizjak  <ubizjak@gmail.com>
8885
8886         * config/i386/i386.c (ix86_autovectorize_vector_modes):
8887         Add V4QImode and V16QImode for TARGET_SSE2.
8888         * doc/sourcebuild.texi (Vector-specific attributes):
8889         Add vect64 and vect32 description.
8890
8891 2021-05-26  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8892
8893         * gimple-range-gori.cc (range_def_chain::register_dependency):
8894         Resize m_def_chain when needed.
8895
8896 2021-05-26  Christophe Lyon  <christophe.lyon@linaro.org>
8897
8898         * config/arm/mve.md (mve_vaddvq_<supf><mode>): Prefix with '@'.
8899         * config/arm/neon.md (reduc_plus_scal_<mode>): Move to ..
8900         * config/arm/vec-common.md: .. here. Add support for MVE.
8901
8902 2021-05-26  Jakub Jelinek  <jakub@redhat.com>
8903
8904         * config/epiphany/epiphany.c (epiphany_print_operand_address): Remove
8905         register keywords.
8906         * config/microblaze/microblaze.c (microblaze_legitimize_address,
8907         call_internal1,
8908         microblaze_option_override, print_operand): Likewise.
8909         * config/microblaze/microblaze.md (call_internal_plt,
8910         call_value_intern_plt, call_value_intern): Likewise.
8911         * config/arm/aout.h (ASM_OUTPUT_ALIGN): Likewise.
8912         * config/iq2000/iq2000.md (call_internal1, call_value_internal1,
8913         call_value_multiple_internal1): Likewise.
8914         * config/bfin/bfin.c (symbolic_reference_mentioned_p): Likewise.
8915
8916 2021-05-26  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8917
8918         * config/arc/arc.c (arc_address_cost, arc_print_operand_address,
8919         arc_ccfsm_advance, symbolic_reference_mentioned_p,
8920         arc_raw_symbolic_reference_mentioned_p): Remove register
8921         keyword.
8922
8923 2021-05-26  Jakub Jelinek  <jakub@redhat.com>
8924
8925         PR libgomp/100573
8926         * omp-low.c: Include omp-offload.h.
8927         (create_omp_child_function): If current_function_decl has
8928         "omp declare target" attribute and is_gimple_omp_offloaded,
8929         remove that attribute from the copy of attribute list and
8930         add "omp target entrypoint" attribute instead.
8931         (lower_omp_target): Mark .omp_data_sizes.* and .omp_data_kinds.*
8932         variables for offloading if in omp_maybe_offloaded_ctx.
8933         * omp-offload.c (pass_omp_target_link::execute): Nullify second
8934         argument to GOMP_target_data_ext in offloaded code.
8935
8936 2021-05-26  Geng Qi  <gengqi@linux.alibaba.com>
8937
8938         * config/csky/csky.c (csky_can_change_mode_class): Delete.
8939         For csky, HF/SF mode use the low bits of VREGS.
8940
8941 2021-05-26  Eric Botcazou  <ebotcazou@adacore.com>
8942
8943         * gimplify.c (gimplify_decl_expr): Do not clear TREE_READONLY on a
8944         DECL which is a reference for OMP.
8945
8946 2021-05-26  Martin Liska  <mliska@suse.cz>
8947
8948         PR gcov-profile/100751
8949         * doc/gcov.texi: Document that __gcov_dump can be called just
8950         once and that __gcov_reset resets run-time counters.
8951
8952 2021-05-26  Martin Liska  <mliska@suse.cz>
8953
8954         * doc/install.texi: Port relevant part from install-old.texi
8955         and re-generate list of CPUs and systems.
8956
8957 2021-05-26  Martin Liska  <mliska@suse.cz>
8958
8959         * Makefile.in: Remove it.
8960         * doc/include/fdl.texi: Update next/previous chapters.
8961         * doc/install.texi: Likewise.
8962         * doc/install-old.texi: Removed.
8963
8964 2021-05-26  Geng Qi  <gengqi@linux.alibaba.com>
8965
8966         * config/csky/csky.c (ck810_legitimate_index_p): Support
8967         "base + index" with DF mode.
8968         * config/csky/constraints.md ("Y"): New constraint for memory operands
8969         without index register.
8970         * config/csky/csky_insn_fpuv2.md (fpuv3_movdf): Use "Y" instead of "m"
8971         when mov between memory and general registers, and lower their priority.
8972         * config/csky/csky_insn_fpuv3.md (fpuv2_movdf): Likewise.
8973
8974 2021-05-26  Geng Qi  <gengqi@linux.alibaba.com>
8975
8976         * config/csky/csky.c (TARGET_PROMOTE_PROTOTYPES): Delete.
8977
8978 2021-05-26  Geng Qi  <gengqi@linux.alibaba.com>
8979
8980         * config/csky/csky.md (untyped_call): Emit clobber for return
8981         registers to mark them used.
8982
8983 2021-05-26  Geng Qi  <gengqi@linux.alibaba.com>
8984
8985         * config/csky/csky.md (cskyv2_sextend_ldbs): New.
8986
8987 2021-05-26  Andrew Pinski  <apinski@marvell.com>
8988
8989         * match.pd (x < 0 ? ~y : y): New patterns.
8990
8991 2021-05-26  Andrew Pinski  <apinski@marvell.com>
8992
8993         * match.pd (A?CST1:CST2): Add simplifcations for A?0:+-1, A?+-1:0,
8994         A?POW2:0 and A?0:POW2.
8995
8996 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
8997
8998         * gimple-range-gori.cc (class logical_stmt_cache): Delete
8999         (logical_stmt_cache::logical_stmt_cache ): Delete.
9000         (logical_stmt_cache::~logical_stmt_cache): Delete.
9001         (logical_stmt_cache::cache_entry::dump): Delete.
9002         (logical_stmt_cache::get_range): Delete.
9003         (logical_stmt_cache::cached_name ): Delete.
9004         (logical_stmt_cache::same_cached_name): Delete.
9005         (logical_stmt_cache::cacheable_p): Delete.
9006         (logical_stmt_cache::slot_diagnostics ): Delete.
9007         (logical_stmt_cache::dump): Delete.
9008         (gori_compute_cache::gori_compute_cache): Delete.
9009         (gori_compute_cache::~gori_compute_cache): Delete.
9010         (gori_compute_cache::compute_operand_range): Delete.
9011         (gori_compute_cache::cache_stmt): Delete.
9012         * gimple-range-gori.h (gori_compute::compute_operand_range): Remove
9013         virtual.
9014         (class gori_compute_cache): Delete.
9015
9016 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9017
9018         * gimple-range.cc (fold_using_range::range_of_range_op): Use m_gori
9019         intead of m_cache.
9020         (fold_using_range::range_of_address): Adjust.
9021         (fold_using_range::range_of_phi): Adjust.
9022         * gimple-range.h (class fur_source): Adjust.
9023         (fur_source::fur_source): Adjust.
9024
9025 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9026
9027         * gimple-range-gori.cc (gori_compute::expr_range_at_stmt): Rename
9028         from expr_range_in_bb and adjust.
9029         (gori_compute::compute_name_range_op): Adjust.
9030         (gori_compute::optimize_logical_operands): Adjust.
9031         (gori_compute::compute_logical_operands_in_chain): Adjust.
9032         (gori_compute::compute_operand1_range): Adjust.
9033         (gori_compute::compute_operand2_range): Adjust.
9034         (ori_compute_cache::cache_stmt): Adjust.
9035         * gimple-range-gori.h (gori_compute): Rename prototype.
9036
9037 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9038
9039         * gimple-range.cc (gimple_ranger::range_of_expr): Non-null should be
9040         checked only after range_of_stmt, not range_on_entry.
9041         (gimple_ranger::range_on_entry): Check for non-null in any
9042         predecessor block, if it is not already non-null.
9043         (gimple_ranger::range_on_exit): DOnt check for non-null after
9044         range on entry call.
9045         (gimple_ranger::dump_bb): New.  Split from dump.
9046         (gimple_ranger::dump): Adjust.
9047         * gimple-range.h (class gimple_ranger): Adjust.
9048
9049 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9050
9051         * gimple-range-cache.cc (struct range_timestamp): Delete.
9052         (class temporal_cache): Adjust.
9053         (temporal_cache::get_timestamp): Delete.
9054         (temporal_cache::set_dependency): Delete.
9055         (temporal_cache::temporal_value): Adjust.
9056         (temporal_cache::current_p): Take dependencies as params.
9057         (temporal_cache::set_timestamp): Adjust.
9058         (temporal_cache::set_always_current): Adjust.
9059         (ranger_cache::get_non_stale_global_range): Adjust.
9060         (ranger_cache::register_dependency): Delete.
9061         * gimple-range-cache.h (class range_cache): Adjust.
9062
9063 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9064
9065         * gimple-range-gori.cc (range_def_chain::range_def_chain): init
9066         bitmap obstack.
9067         (range_def_chain::~range_def_chain): Dispose of obstack rather than
9068         each individual bitmap.
9069         (range_def_chain::set_import): New.
9070         (range_def_chain::get_imports): New.
9071         (range_def_chain::chain_import_p): New.
9072         (range_def_chain::register_dependency): Rename from build_def_chain
9073         and set imports.
9074         (range_def_chain::def_chain_in_bitmap_p): New.
9075         (range_def_chain::add_def_chain_to_bitmap): New.
9076         (range_def_chain::has_def_chain): Just check first depenedence.
9077         (range_def_chain::get_def_chain): Process imports, use generic
9078         register_dependency routine.
9079         (range_def_chain::dump): New.
9080         (gori_map::gori_map): Allocate import list.
9081         (gori_map::~gori_map): Release imports.
9082         (gori_map::exports): Check for past allocated block size.
9083         (gori_map::imports): New.
9084         (gori_map::def_chain_in_export_p): Delete.
9085         (gori_map::is_import_p): New.
9086         (gori_map::maybe_add_gori): Handle imports.
9087         (gori_map::dump): Adjust output, add imports.
9088         (gori_compute::has_edge_range_p): Remove def_chain_in_export call.
9089         (gori_export_iterator::gori_export_iterator): New.
9090         (gori_export_iterator::next): New.
9091         (gori_export_iterator::get_name): New.
9092         * gimple-range-gori.h (range_def_chain): Add imports and direct
9093         dependecies via struct rdc.
9094         (range_def_chain::depend1): New.
9095         (range_def_chain::depend2): New.
9096         (class gori_map): Adjust.
9097         (FOR_EACH_GORI_IMPORT_NAME): New.
9098         (FOR_EACH_GORI_EXPORT_NAME): New.
9099         (class gori_export_iterator): New.
9100
9101 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9102
9103         * gimple-range-cache.cc (ranger_cache::ranger_cache):  Move initial
9104         export cache filling to here.
9105         * gimple-range-gori.cc (gori_compute::gori_compute) : From Here.
9106
9107 2021-05-25  Andrew MacLeod  <amacleod@redhat.com>
9108
9109         * gimple-range-gori.cc (range_def_chain): Move to gimple-range-gori.h.
9110         (gori_map): Move to gimple-range-gori.h.
9111         (gori_compute::gori_compute): Adjust.
9112         (gori_compute::~gori_compute): Delete.
9113         (gori_compute::compute_operand_range_switch): Adjust.
9114         (gori_compute::compute_operand_range): Adjust.
9115         (gori_compute::compute_logical_operands): Adjust.
9116         (gori_compute::has_edge_range_p ): Adjust.
9117         (gori_compute::set_range_invariant): Delete.
9118         (gori_compute::dump): Adjust.
9119         (gori_compute::outgoing_edge_range_p): Adjust.
9120         * gimple-range-gori.h (class range_def_chain): Relocate here.
9121         (class gori_map): Relocate here.
9122         (class gori_compute): Inherit from gori_map, and adjust.
9123
9124 2021-05-25  Aldy Hernandez  <aldyh@redhat.com>
9125
9126         * value-range.cc (range_tests_legacy): Use
9127         build_nonstandard_integer_type instead of int and short.
9128
9129 2021-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9130
9131         * gimplify.c (gimplify_decl_expr): Clear TREE_READONLY on the DECL
9132         when really creating an initialization statement for it.
9133
9134 2021-05-25  Eric Botcazou  <ebotcazou@adacore.com>
9135
9136         * tree-inline.c (setup_one_parameter): Fix thinko in new condition.
9137
9138 2021-05-25  Kito Cheng  <kito.cheng@sifive.com>
9139
9140         * config/riscv/riscv.h (ASM_SPEC): Pass -mno-relax.
9141
9142 2021-05-25  Martin Liska  <mliska@suse.cz>
9143
9144         PR tree-optimization/92860
9145         PR target/99592
9146         * optc-save-gen.awk: Remove exceptions.
9147
9148 2021-05-25  Martin Liska  <mliska@suse.cz>
9149
9150         * asan.h (sanitize_coverage_p): New function.
9151         * doc/extend.texi: Document it.
9152         * fold-const.c (fold_range_test): Use sanitize_flags_p
9153         instead of flag_sanitize_coverage.
9154         (fold_truth_andor): Likewise.
9155         * sancov.c: Likewise.
9156         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
9157         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Handle
9158         -fsanitize-coverage when inlining.
9159
9160 2021-05-25  Cooper Qu  <cooper.qu@linux.alibaba.com>
9161
9162         * config/csky/csky-modes.def : Fix copyright.
9163
9164 2021-05-25  Cooper Qu  <cooper.qu@linux.alibaba.com>
9165
9166         * config/csky/csky-modes.def : Amend copyright.
9167         * config/csky/csky_insn_fpuv2.md : Likewise.
9168         * config/csky/csky_insn_fpuv3.md : Likewise.
9169
9170 2021-05-25  Richard Biener  <rguenther@suse.de>
9171
9172         PR middle-end/100727
9173         * calls.c (initialize_argument_information): Explicitely test
9174         for WITH_SIZE_EXPR.
9175         * gimple-expr.c (mark_addressable): Skip outer WITH_SIZE_EXPR.
9176
9177 2021-05-25  Geng Qi  <gengqi@linux.alibaba.com>
9178
9179         * config/csky/csky.h (FRAME_POINTER_REGNUM): Use
9180         HARD_FRAME_POINTER_REGNUM and FRAME_POINTER_REGNUM instead of
9181         the signle definition. The signle definition may not work well
9182         at simplify_subreg_regno().
9183         (HARD_FRAME_POINTER_REGNUM): New.
9184         (ELIMINABLE_REGS): Add for HARD_FRAME_POINTER_REGNUM.
9185         * config/csky/csky.c (get_csky_live_regs, csky_can_eliminate,
9186         csky_initial_elimination_offset, csky_expand_prologue,
9187         csky_expand_epilogue): Add for HARD_FRAME_POINTER_REGNUM.
9188
9189 2021-05-25  Geng Qi  <gengqi@linux.alibaba.com>
9190
9191         * config/csky/csky.c (csky_option_override):
9192         Init csky_arch_isa_features[] in advance, so TARGET_DSP
9193         and TARGET_DIV can be set well.
9194
9195 2021-05-25  Geng Qi  <gengqi@linux.alibaba.com>
9196
9197         * config/csky/constraints.md ("l", "h"): Delete.
9198         * config/csky/csky.h (reg_class, REG_CLASS_NAMES,
9199         REG_CLASS_CONTENTS):  Delete LO_REGS and HI_REGS.
9200         * config/csky/csky.c (regno_reg_classm,
9201         csky_secondary_reload, csky_register_move_cost):
9202         Use HILO_REGS instead of LO_REGS and HI_REGS.
9203
9204 2021-05-25  Geng Qi  <gengqi@linux.alibaba.com>
9205
9206         * config/csky/constraints.md ("W"): New constriant for mem operand
9207         with base reg, index register.
9208         ("Q"): Renamed and modified "csky_valid_fpuv2_mem_operand" to
9209         "csky_valid_mem_constraint_operand" to deal with both "Q" and "W"
9210         constraint.
9211         ("Dv"): New constraint for const double value that can be used at
9212         fmovi instruction.
9213         * config/csky/csky-modes.def (HFmode): New mode.
9214         * config/csky/csky-protos.h (csky_valid_fpuv2_mem_operand): Rename
9215         to "csky_valid_mem_constraint_operand" and support new constraint
9216         "W".
9217         (csky_get_movedouble_length): New.
9218         (fpuv3_output_move): New.
9219         (fpuv3_const_double): New.
9220         * config/csky/csky.c (csky_option_override): New arch CK860 with fpv3.
9221         (decompose_csky_address): Refine.
9222         (csky_print_operand): New "CONST_DOUBLE" operand.
9223         (csky_output_move): Support fpv3 instructions.
9224         (csky_get_movedouble_length): New.
9225         (fpuv3_output_move): New.
9226         (fpuv3_const_double): New.
9227         (csky_emit_compare): Cover float comparsion.
9228         (csky_emit_compare_float): Refine.
9229         (csky_vaild_fpuv2_mem_operand): Rename to
9230         "csky_valid_mem_constraint_operand" and support new constraint "W".
9231         (ck860_rtx_costs): New.
9232         (csky_rtx_costs): Add the cost calculation of CK860.
9233         (regno_reg_class): New vregs for fpuv3.
9234         (csky_dbx_regno): Likewise.
9235         (csky_cpu_cpp_builtins): New builtin macro for fpuv3.
9236         (csky_conditional_register_usage): Suporrot fpuv3.
9237         (csky_dwarf_register_span): Suporrot fpuv3.
9238         (csky_init_builtins, csky_mangle_type): Support "__fp16" type.
9239         (ck810_legitimate_index_p): Support fp16.
9240         * config/csky/csky.h (TARGET_TLS): ADD CK860.
9241         (CSKY_VREG_P, CSKY_VREG_LO_P, CSKY_VREG_HI_P): Support fpuv3.
9242         (TARGET_SINGLE_FPU): Support fpuv3.
9243         (TARGET_SUPPORT_FPV3): New.
9244         (FIRST_PSEUDO_REGISTER): Change to 202 to hold the new fpuv3 registers.
9245         (FIXED_REGISTERS, CALL_REALLY_USED_REGISTERS, REGISTER_NAMES,
9246          REG_CLASS_CONTENTS): Support fpuv3.
9247         * config/csky/csky.md (movsf): Move to cksy_insn_fpu.md and refine.
9248         (csky_movsf_fpv2): Likewise.
9249         (ck801_movsf): Likewise.
9250         (csky_movsf): Likewise.
9251         (movdf): Likewise.
9252         (csky_movdf_fpv2): Likewise.
9253         (ck801_movdf): Likewise.
9254         (csky_movdf): Likewise.
9255         (movsicc): Refine. Use "comparison_operatior" instead of
9256         "ordered_comparison_operatior".
9257         (addsicc): Likewise.
9258         (CSKY_FIRST_VFP3_REGNUM, CSKY_LAST_VFP3_REGNUM): New constant.
9259         (call_value_internal_vh): New.
9260         * config/csky/csky_cores.def (CK860): New arch and cpu.
9261         (fpv3_hf): New.
9262         (fpv3_hsf): New.
9263         (fpv3_sdf): New.
9264         (fpv3): New.
9265         * config/csky/csky_insn_fpu.md: Refactor. Separate all float patterns
9266         into emit-patterns and match-patterns, remain the emit-patterns here,
9267         and move the match-patterns to csky_insn_fpuv2.md or
9268         csky_insn_fpuv3.md.
9269         * config/csky/csky_insn_fpuv2.md: New file for fpuv2 instructions.
9270         * config/csky/csky_insn_fpuv3.md: New file and new patterns for fpuv3
9271         isntructions.
9272         * config/csky/csky_isa.def (fcr): New.
9273         (fpv3_hi): New.
9274         (fpv3_hf): New.
9275         (fpv3_sf): New.
9276         (fpv3_df): New.
9277         (CK860): New definition for ck860.
9278         * config/csky/csky_tables.opt (ck860): New processors ck860,
9279         ck860f. And new arch ck860.
9280         (fpv3_hf): New.
9281         (fpv3_hsf): New.
9282         (fpv3_hdf): New.
9283         (fpv3): New.
9284         * config/csky/predicates.md (csky_float_comparsion_operator): Delete
9285         "geu", "gtu", "leu", "ltu", which will never appear at float comparison.
9286         * config/csky/t-csky-elf: Support 860.
9287         * config/csky/t-csky-linux: Likewise.
9288         * doc/md.texi: Add "Q" and "W" constraints for C-SKY.
9289
9290 2021-05-24  Aaron Sawdey  <acsawdey@linux.ibm.com>
9291
9292         * config/rs6000/genfusion.pl (gen_logical_addsubf): Refactor to
9293         add generation of logical-add and add-logical fusion pairs.
9294         * config/rs6000/rs6000-cpus.def: Add new fusion to ISA 3.1 mask
9295         and powerpc mask.
9296         * config/rs6000/rs6000.c (rs6000_option_override_internal): Turn on
9297         logical-add and add-logical fusion by default.
9298         * config/rs6000/rs6000.opt: Add -mpower10-fusion-logical-add and
9299         -mpower10-fusion-add-logical options.
9300         * config/rs6000/fusion.md: Regenerate file.
9301
9302 2021-05-24  Aldy Hernandez  <aldyh@redhat.com>
9303
9304         * value-range.cc (irange::legacy_equal_p): Check type when
9305         comparing VR_VARYING types.
9306         (range_tests_legacy): Test comparing VARYING ranges of different
9307         sizes.
9308
9309 2021-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
9310
9311         * config/aarch64/aarch64.c (neoversen1_tunings):
9312         Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
9313
9314 2021-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
9315
9316         * config/aarch64/aarch64.c (aarch64_classify_symbol): Use GOT for
9317         extern weak symbols.  Limit symbol offsets for non-GOT symbols with
9318         PIC/PIE.
9319
9320 2021-05-24  Christophe Lyon  <christophe.lyon@linaro.org>
9321
9322         * config/arm/neon.md (vec_load_lanesxi<mode>)
9323         (vec_store_lanexoi<mode>): Move ...
9324         * config/arm/vec-common.md: here.
9325
9326 2021-05-24  Christophe Lyon  <christophe.lyon@linaro.org>
9327
9328         * config/arm/neon.md (vec_load_lanesoi<mode>)
9329         (vec_store_lanesoi<mode>): Move ...
9330         * config/arm/vec-common.md: here.
9331
9332 2021-05-24  liuhongt  <hongtao.liu@intel.com>
9333
9334         PR target/100660
9335         * config/i386/i386.c (ix86_gimple_fold_builtin): Replacing
9336         stmt with GIMPLE_NOP when lhs doesn't exist.
9337
9338 2021-05-23  Uroš Bizjak  <ubizjak@gmail.com>
9339
9340         PR target/100722
9341         * config/i386/mmx.md (*push<VI_32:mode>2_rex64):
9342         New instruction pattern.
9343         (*push<VI_32:mode>2): Ditto.
9344         (push splitter for SSE registers): New splitter.
9345
9346 2021-05-23  Andrew Pinski  <apinski@marvell.com>
9347
9348         * match.pd ((A & C) != 0 ? D : 0): Limit to non pointer types.
9349
9350 2021-05-22  Aaron Sawdey  <acsawdey@linux.ibm.com>
9351
9352         * config/rs6000/genfusion.pl (gen_addadd): Fix incorrect attr types.
9353         * config/rs6000/fusion.md: Regenerate file.
9354
9355 2021-05-21  Aaron Sawdey  <acsawdey@linux.ibm.com>
9356
9357         * config/rs6000/genfusion.pl (gen_addadd): New function.
9358         * config/rs6000/fusion.md: Regenerate file.
9359         * config/rs6000/rs6000-cpus.def: Add
9360         OPTION_MASK_P10_FUSION_2ADD to masks.
9361         * config/rs6000/rs6000.c (rs6000_option_override_internal):
9362         Handle default value of OPTION_MASK_P10_FUSION_2ADD.
9363         * config/rs6000/rs6000.opt: Add -mpower10-fusion-2add.
9364
9365 2021-05-21  Jakub Jelinek  <jakub@redhat.com>
9366
9367         PR middle-end/99928
9368         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
9369         * gimplify.c (enum gimplify_omp_var_data): Fix up
9370         GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
9371         (omp_lastprivate_for_combined_outer_constructs): If combined target
9372         has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
9373         GOVD_MAP | GOVD_SEEN.
9374         (gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
9375         firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
9376         (gimplify_adjust_omp_clauses): For firstprivate clauses with
9377         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
9378         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
9379         let it be replaced by implicit map clause.
9380
9381 2021-05-21  Jakub Jelinek  <jakub@redhat.com>
9382
9383         PR middle-end/99928
9384         * gimplify.c (omp_lastprivate_for_combined_outer_constructs): New
9385         function.
9386         (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LASTPRIVATE>: Use it.
9387         (gimplify_omp_for): Likewise.
9388
9389 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9390
9391         PR middle-end/90115
9392         * omp-low.c (oacc_privatization_candidate_p): Reject 'static',
9393         'external' in blocks.
9394
9395 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9396
9397         PR middle-end/90115
9398         * flag-types.h (enum openacc_privatization): New.
9399         * params.opt (-param=openacc-privatization): New.
9400         * doc/invoke.texi (openacc-privatization): Document it.
9401         * omp-general.h (get_openacc_privatization_dump_flags): New
9402         function.
9403         * omp-low.c (oacc_privatization_candidate_p): Add diagnostics.
9404         * omp-offload.c (execute_oacc_device_lower)
9405         <IFN_UNIQUE_OACC_PRIVATE>: Re-work diagnostics.
9406         * target.def (goacc.adjust_private_decl): Add 'location_t'
9407         parameter.
9408         * doc/tm.texi: Regenerate.
9409         * config/gcn/gcn-protos.h (gcn_goacc_adjust_private_decl): Adjust.
9410         * config/gcn/gcn-tree.c (gcn_goacc_adjust_private_decl): Likewise.
9411         * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl):
9412         Likewise.  Preserve it for...
9413         (nvptx_goacc_expand_var_decl): ... use here.
9414
9415 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9416
9417         * doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
9418         DejaGnu selector.
9419
9420 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9421
9422         PR middle-end/90115
9423         * omp-low.c (oacc_privatization_candidate_p): New function.
9424         (oacc_privatization_scan_clause_chain)
9425         (oacc_privatization_scan_decl_chain): Use it.  Also
9426         'gcc_checking_assert' that we're not seeing duplicates.
9427
9428 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9429
9430         PR middle-end/90115
9431         * omp-offload.c (execute_oacc_device_lower): Skip processing if no
9432         work to be done.
9433
9434 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9435
9436         PR middle-end/90115
9437         * omp-offload.c (execute_oacc_device_lower): Explain.
9438
9439 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9440
9441         PR middle-end/90115
9442         * omp-offload.c (execute_oacc_device_lower)
9443         <IFN_UNIQUE_OACC_PRIVATE>: Diagnose and handle for 'level == -1'
9444         case, too.
9445         * internal-fn.c (expand_UNIQUE): Don't expect
9446         'IFN_UNIQUE_OACC_PRIVATE'.
9447
9448 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9449
9450         PR middle-end/90115
9451         * omp-low.c (lower_omp_for): Don't evaluate OpenMP 'for' clauses.
9452
9453 2021-05-21  Thomas Schwinge  <thomas@codesourcery.com>
9454
9455         PR middle-end/90115
9456         * config/nvptx/nvptx.c (nvptx_goacc_adjust_private_decl)
9457         (nvptx_goacc_expand_var_decl): Tighten.
9458
9459 2021-05-21  Julian Brown  <julian@codesourcery.com>
9460             Chung-Lin Tang  <cltang@codesourcery.com>
9461             Thomas Schwinge  <thomas@codesourcery.com>
9462
9463         PR middle-end/90115
9464         * doc/tm.texi.in (TARGET_GOACC_EXPAND_VAR_DECL)
9465         (TARGET_GOACC_ADJUST_PRIVATE_DECL): Add documentation hooks.
9466         * doc/tm.texi: Regenerate.
9467         * expr.c (expand_expr_real_1): Expand decls using the
9468         expand_var_decl OpenACC hook if defined.
9469         * internal-fn.c (expand_UNIQUE): Handle IFN_UNIQUE_OACC_PRIVATE.
9470         * internal-fn.h (IFN_UNIQUE_CODES): Add OACC_PRIVATE.
9471         * omp-low.c (omp_context): Add oacc_privatization_candidates
9472         field.
9473         (lower_oacc_reductions): Add PRIVATE_MARKER parameter.  Insert
9474         before fork.
9475         (lower_oacc_head_tail): Add PRIVATE_MARKER parameter.  Modify
9476         private marker's gimple call arguments, and pass it to
9477         lower_oacc_reductions.
9478         (oacc_privatization_scan_clause_chain)
9479         (oacc_privatization_scan_decl_chain, lower_oacc_private_marker):
9480         New functions.
9481         (lower_omp_for, lower_omp_target, lower_omp_1): Use these.
9482         * omp-offload.c (convert.h): Include.
9483         (oacc_loop_xform_head_tail): Treat private-variable markers like
9484         fork/join when transforming head/tail sequences.
9485         (struct var_decl_rewrite_info): Add struct.
9486         (oacc_rewrite_var_decl, is_sync_builtin_call): New functions.
9487         (execute_oacc_device_lower): Support rewriting gang-private
9488         variables using target hook, and fix up addr_expr and var_decl
9489         nodes afterwards.
9490         * target.def (adjust_private_decl, expand_var_decl): New hooks.
9491         * config/gcn/gcn-protos.h (gcn_goacc_adjust_gangprivate_decl):
9492         Rename to...
9493         (gcn_goacc_adjust_private_decl): ...this.
9494         * config/gcn/gcn-tree.c (gcn_goacc_adjust_gangprivate_decl):
9495         Rename to...
9496         (gcn_goacc_adjust_private_decl): ...this. Add LEVEL parameter.
9497         * config/gcn/gcn.c (TARGET_GOACC_ADJUST_GANGPRIVATE_DECL): Rename
9498         definition using gcn_goacc_adjust_gangprivate_decl...
9499         (TARGET_GOACC_ADJUST_PRIVATE_DECL): ...to this, using
9500         gcn_goacc_adjust_private_decl.
9501         * config/nvptx/nvptx.c (tree-pretty-print.h): Include.
9502         (gang_private_shared_size): New global variable.
9503         (gang_private_shared_align): Likewise.
9504         (gang_private_shared_sym): Likewise.
9505         (gang_private_shared_hmap): Likewise.
9506         (nvptx_option_override): Initialize these.
9507         (nvptx_file_end): Output gang_private_shared_sym.
9508         (nvptx_goacc_adjust_private_decl, nvptx_goacc_expand_var_decl):
9509         New functions.
9510         (nvptx_set_current_function): Clear gang_private_shared_hmap.
9511         (TARGET_GOACC_ADJUST_PRIVATE_DECL): Define hook.
9512         (TARGET_GOACC_EXPAND_VAR_DECL): Likewise.
9513
9514 2021-05-21  H.J. Lu  <hjl.tools@gmail.com>
9515
9516         * config/i386/i386-modes.def (MAX_BITSIZE_MODE_ANY_INT): Removed.
9517
9518 2021-05-21  Richard Biener  <rguenther@suse.de>
9519             H.J. Lu  <hjl.tools@gmail.com>
9520
9521         PR middle-end/90773
9522         * expr.c (expand_constructor): Elide expand_constructor if
9523         move by pieces is preferred.
9524
9525 2021-05-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9526
9527         * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
9528         Take a flag and mode value as arguments.
9529         (aarch64_modifies_global_state_p): Likewise.
9530         (aarch64_reads_global_state_p): Likewise.
9531         (aarch64_could_trap_p): Likewise.
9532         (aarch64_get_attributes): Likewise.
9533         (aarch64_init_simd_builtins): Adjust callsite of above.
9534         (aarch64_init_fcmla_laneq_builtins): Use aarch64_get_attributes to get
9535         function attributes to apply to builtins.
9536         (aarch64_init_crc32_builtins): Likewise.
9537         (aarch64_init_builtin_rsqrt): Likewise.
9538
9539 2021-05-21  Aaron Sawdey  <acsawdey@linux.ibm.com>
9540
9541         * config/rs6000/rs6000.md (define_attr "type"): Add types for fusion.
9542         * config/rs6000/genfusion.pl (gen_ld_cmpi_p10): Use new fusion types.
9543         (gen_2logical): Use new fusion types.
9544         * config/rs6000/fusion.md: Regenerate.
9545
9546 2021-05-21  Uroš Bizjak  <ubizjak@gmail.com>
9547
9548         PR target/100637
9549         * config/i386/i386-expand.c (ix86_expand_sse_movcc):
9550         Handle V4QI and V2HI modes.
9551         (ix86_expand_sse_movcc): Ditto.
9552         * config/i386/mmx.md (*<sat_plusminus:insn><VI_32:mode>3):
9553         New instruction pattern.
9554         (*eq<VI_32:mode>3): Ditto.
9555         (*gt<VI_32:mode>3): Ditto.
9556         (*xop_pcmov_<VI_32:mode>): Ditto.
9557         (mmx_pblendvb32): Ditto.
9558         (mmx_pblendvb64): Rename from mmx_pblendvb.
9559         (vec_cmp<VI_32:mode><VI_32:mode>): New expander.
9560         (vec_cmpu<VI_32:mode><VI_32:mode>): Ditto.
9561         (vcond<VI_32:mode><VI_32:mode>): Ditto.
9562         (vcondu<VI_32:mode><VI_32:mode>): Ditto.
9563         (vcond_mask_<VI_32:mode><VI_32:mode>): Ditto.
9564
9565 2021-05-21  Jakub Jelinek  <jakub@redhat.com>
9566
9567         PR tree-optimization/94589
9568         * tree-ssa-phiopt.c (spaceship_replacement): For integral rhs1 and
9569         rhs2, treat x <= 4 equivalently to x < 5 etc.  In cmp1 and cmp2 (if
9570         not the same as cmp3) treat <= the same as < and >= the same as >.
9571         Don't require that cond2_phi_edge is true edge, instead take
9572         false/true edges into account based on cmp1/cmp2 comparison kinds.
9573
9574 2021-05-21  Uroš Bizjak  <ubizjak@gmail.com>
9575
9576         PR target/100637
9577         * config/i386/mmx.md (SMAXMIN_MMXMODEI): New mode iterator.
9578         (<smaxmin:code><SMAXMIN_MMXMODEI:mode>3): Macroize expander
9579         from <smaxmin:code>v4hi3> and <smaxmin:code><MMXMODE14:mode>3
9580         using SMAXMIN_MMXMODEI mode iterator.
9581         (*<smaxmin:code>v4qi3): New insn pattern.
9582         (*<smaxmin:code>v2hi3): Ditto.
9583         (SMAXMIN_VI_32): New mode iterator.
9584         (<smaxmin:code><SMAXMIN_VI_32>mode3): New expander.
9585         (UMAXMIN_MMXMODEI): New mode iterator.
9586         (<umaxmin:code><UMAXMIN_MMXMODEI:mode>3): Macroize expander
9587         from <umaxmin:code>v8qi3> and <umaxmin:code><MMXMODE24:mode>3
9588         using UMAXMIN_MMXMODEI mode iterator.
9589         (*<umaxmin:code>v4qi3): New insn pattern.
9590         (*<umaxmin:code>v2hi3): Ditto.
9591         (UMAXMIN_VI_32): New mode iterator.
9592         (<umaxmin:code><UMAXMIN_VI_32>mode3): New expander.
9593         (abs<VI_32:mode>2): New insn pattern.
9594         (ssse3_abs<MMXMODEI:mode>2, abs<MMXMODEI:mode>2): Move from ...
9595         * config/i386/sse.md: ... here.
9596
9597 2021-05-20  Clement Chigot  <clement.chigot@atos.net>
9598             David Edelsohn  <dje.gcc@gmail.com>
9599
9600         * collect2.c (scan_prog_file): Issue non-fatal warning for
9601         non-COFF files.
9602
9603 2021-05-20  Jonathan Wakely  <jwakely@redhat.com>
9604
9605         * doc/invoke.texi (-Wno-c++11-extensions)
9606         (-Wno-c++14-extensions, -Wno-c++17-extensions)
9607         (-Wno-c++20-extensions, -Wno-c++23-extensions): Document
9608         new options.
9609
9610 2021-05-20  Indu Bhagat  <indu.bhagat@oracle.com>
9611
9612         * config/c6x/c6x.c (c6x_output_file_unwind): Use dwarf_debuginfo_p.
9613         * config/darwin.c (darwin_override_options): Likewise.
9614         * config/i386/cygming.h (DBX_REGISTER_NUMBER): Likewise.
9615         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Likewise.
9616         (DWARF2_FRAME_REG_OUT): Likewise.
9617         * config/mips/mips.c (mips_output_filename): Likewise.
9618         * config/rs6000/rs6000.c (rs6000_xcoff_declare_function_name):
9619         Likewise.
9620         (rs6000_dbx_register_number): Likewise.
9621         * dbxout.c: Include flags.h.
9622         * dwarf2cfi.c (cfi_label_required_p): Likewise.
9623         (dwarf2out_do_frame): Likewise.
9624         * except.c: Include flags.h.
9625         * final.c (dwarf2_debug_info_emitted_p): Likewise.
9626         (final_scan_insn_1): Likewise.
9627         * flags.h (dwarf_debuginfo_p): New function declaration.
9628         * opts.c (dwarf_debuginfo_p): New function definition.
9629         * targhooks.c (default_debug_unwind_info): Use dwarf_debuginfo_p.
9630         * toplev.c (process_options): Likewise.
9631
9632 2021-05-20  Indu Bhagat  <indu.bhagat@oracle.com>
9633
9634         * common.opt: Change type to support bitmasks.
9635         * flag-types.h (enum debug_info_type): Rename enumerator constants.
9636         (NO_DEBUG): New bitmask.
9637         (DBX_DEBUG): Likewise.
9638         (DWARF2_DEBUG): Likewise.
9639         (XCOFF_DEBUG): Likewise.
9640         (VMS_DEBUG): Likewise.
9641         (VMS_AND_DWARF2_DEBUG): Likewise.
9642         * flags.h (debug_set_to_format): New function declaration.
9643         (debug_set_count): Likewise.
9644         (debug_set_names): Likewise.
9645         * opts.c (debug_type_masks): Array of bitmasks for debug formats.
9646         (debug_set_to_format): New function definition.
9647         (debug_set_count): Likewise.
9648         (debug_set_names): Likewise.
9649         (set_debug_level): Update access to debug_type_names.
9650         * toplev.c: Likewise.
9651
9652 2021-05-20  Martin Sebor  <msebor@redhat.com>
9653
9654         PR middle-end/100684
9655         * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Handle C++ lambda.
9656
9657 2021-05-20  Uroš Bizjak  <ubizjak@gmail.com>
9658
9659         PR target/100701
9660         * config/i386/i386.md (isa): Remove x64_bmi.
9661         (enabled): Remove x64_bmi.
9662         * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
9663         Remove general register alternative.
9664         (*andnot<VI_32:mode>3): Ditto.
9665         (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
9666         (*<any_logic:code><VI_32:mode>3): Ditto.
9667
9668 2021-05-20  Kewen Lin  <linkw@linux.ibm.com>
9669
9670         * config/arm/arm.c: Include head files tree-vectorizer.h and
9671         cfgloop.h.
9672
9673 2021-05-20  Uroš Bizjak  <ubizjak@gmail.com>
9674
9675         PR target/100637
9676         * config/i386/mmx.md (Yv_Yw): Revert adding V4QI and V2HI modes.
9677         (*<plusminus:insn><VI_32:mode>3): Use Yw instad of <Yv_Yw> constrint.
9678         (<s>mulv4hi3_highpart): New expander.
9679         (*<s>mulv2hi3_highpart): New insn pattern.
9680         (<s>mulv2hi3_higpart): New expander.
9681         (*<any_shift:insn>v2hi3): New insn pattern.
9682         (<any_shift:insn>v2hi3): New expander.
9683         * config/i386/sse.md (smulhrsv2hi3): New expander.
9684         (*smulhrsv2hi3): New insn pattern.
9685
9686 2021-05-20  Kewen Lin  <linkw@linux.ibm.com>
9687
9688         * doc/invoke.texi (vect-inner-loop-cost-factor): Document new
9689         parameter.
9690         * params.opt (vect-inner-loop-cost-factor): New.
9691         * targhooks.c (default_add_stmt_cost): Replace hardcoded factor
9692         50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR, include head file
9693         tree-vectorizer.h and its required ones.
9694         * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Replace
9695         hardcoded factor 50 with LOOP_VINFO_INNER_LOOP_COST_FACTOR.
9696         * config/arm/arm.c (arm_add_stmt_cost): Likewise.
9697         * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
9698         * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.
9699         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
9700         Likewise.
9701         (_loop_vec_info::_loop_vec_info): Init inner_loop_cost_factor.
9702         * tree-vectorizer.h (_loop_vec_info): Add inner_loop_cost_factor.
9703         (LOOP_VINFO_INNER_LOOP_COST_FACTOR): New macro.
9704
9705 2021-05-20  Christophe Lyon  <christophe.lyon@linaro.org>
9706             Torbjörn Svensson  <torbjorn.svensson@st.com>
9707
9708         PR c/42579
9709         * doc/cpp.texi (Common Predefined Macros): Document __FILE_NAME__.
9710
9711 2021-05-20  Jakub Jelinek  <jakub@redhat.com>
9712
9713         PR middle-end/99928
9714         * gimplify.c (gimplify_scan_omp_clauses) <case OMP_CLAUSE_LINEAR>: For
9715         explicit linear clause when combined with target, make it map(tofrom:)
9716         instead of no clause or firstprivate.
9717
9718 2021-05-20  Jakub Jelinek  <jakub@redhat.com>
9719
9720         PR tree-optimization/94589
9721         * match.pd ((X & Y) == X -> (X & ~Y) == 0): Simplify even in presence
9722         of integral conversions.
9723
9724 2021-05-19  Andrew MacLeod  <amacleod@redhat.com>
9725
9726         * gimple-range.cc (fur_source::get_operand): New.
9727         (gimple_range_fold): Delete.
9728         (fold_using_range::fold_stmt): Move from gimple_ranger::calc_stmt.
9729         (fold_using_range::range_of_range_op): Move from gimple_ranger.
9730         (fold_using_range::range_of_address): Ditto.
9731         (fold_using_range::range_of_phi): Ditto.
9732         (fold_using_range::range_of_call): Ditto.
9733         (fold_using_range::range_of_builtin_ubsan_call): Move from
9734         range_of_builtin_ubsan_call.
9735         (fold_using_range::range_of_builtin_call): Move from
9736         range_of_builtin_call.
9737         (gimple_ranger::range_of_builtin_call): Delete.
9738         (fold_using_range::range_of_cond_expr): Move from gimple_ranger.
9739         (gimple_ranger::fold_range_internal): New.
9740         (gimple_ranger::range_of_stmt): Use new fold_using_range API.
9741         (fold_using_range::range_of_ssa_name_with_loop_info): Move from
9742         gimple_ranger.  Improve ranges of SSA_NAMES when possible.
9743         * gimple-range.h (gimple_ranger): Remove various range_of routines.
9744         (class fur_source): New.
9745         (class fold_using_range): New.
9746         (fur_source::fur_source): New.
9747         (fold_range): New.
9748         * vr-values.c (vr_values::extract_range_basic): Use fold_using_range
9749         instead of range_of_builtin_call.
9750
9751 2021-05-19  Jonathan Wakely  <jwakely@redhat.com>
9752
9753         * doc/cpp.texi (Common Predefined Macros): Update documentation
9754         for the __GXX_EXPERIMENTAL_CXX0X__ macro.
9755
9756 2021-05-19  Alex Coplan  <alex.coplan@arm.com>
9757
9758         PR target/100333
9759         * config/arm/arm.md (nonsecure_call_internal): Always ensure
9760         callee's address is in a register.
9761
9762 2021-05-19  Geng Qi  <gengqi@linux.alibaba.com>
9763
9764         * common/config/riscv/riscv-common.c
9765         (riscv_subset_list::parsing_subset_version): Properly parse the letter
9766         'p' in '-march'.
9767         (riscv_subset_list::parse_std_ext,
9768          riscv_subset_list::parse_multiletter_ext): To handle errors generated
9769         in riscv_subset_list::parsing_subset_version.
9770
9771 2021-05-19  Jonathan Wright  <jonathan.wright@arm.com>
9772
9773         * config/aarch64/aarch64-simd.md: Use "neon_move_narrow_q"
9774         type attribute in patterns generating XTN(2).
9775
9776 2021-05-19  Jonathan Wright  <jonathan.wright@arm.com>
9777
9778         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_pack_trunc_<mode>):
9779         Remove as duplicate of...
9780         (aarch64_xtn<mode>): This.
9781         (aarch64_xtn2<mode>_le): Move position in file.
9782         (aarch64_xtn2<mode>_be): Move position in file.
9783         (aarch64_xtn2<mode>): Move position in file.
9784         (vec_pack_trunc_<mode>): Define as an expander.
9785
9786 2021-05-19  Jonathan Wright  <jonathan.wright@arm.com>
9787
9788         * config/aarch64/aarch64-simd-builtins.def: Split builtin
9789         generation for aarch64_<sur>q<r>shr<u>n_n<mode> pattern into
9790         separate scalar and vector generators.
9791         * config/aarch64/aarch64-simd.md
9792         (aarch64_<sur>q<r>shr<u>n_n<mode>): Define as an expander and
9793         split into...
9794         (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_le): This and...
9795         (aarch64_<sur>q<r>shr<u>n_n<mode>_insn_be): This.
9796         * config/aarch64/iterators.md: Define SD_HSDI iterator.
9797
9798 2021-05-19  Jonathn Wright  <jonathan.wright@arm.com>
9799
9800         * config/aarch64/aarch64-simd.md: Use UNSPEC_SQXTUN instead
9801         of UNSPEC_SQXTUN2.
9802         * config/aarch64/iterators.md: Remove UNSPEC_SQXTUN2.
9803
9804 2021-05-19  Jonathan Wright  <jonathan.wright@arm.com>
9805
9806         * config/aarch64/aarch64-simd.md (aarch64_<sur>q<r>shr<u>n2_n<mode>):
9807         Implement as an expand emitting a big/little endian
9808         instruction pattern.
9809         (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_le): Define.
9810         (aarch64_<sur>q<r>shr<u>n2_n<mode>_insn_be): Define.
9811
9812 2021-05-19  Jonathan Wright  <jonathan.wright@arm.com>
9813
9814         * config/aarch64/aarch64-simd.md (aarch64_<sur><addsub>hn2<mode>):
9815         Implement as an expand emitting a big/little endian
9816         instruction pattern.
9817         (aarch64_<sur><addsub>hn2<mode>_insn_le): Define.
9818         (aarch64_<sur><addsub>hn2<mode>_insn_be): Define.
9819         * config/aarch64/iterators.md: Remove UNSPEC_[R]ADDHN2 and
9820         UNSPEC_[R]SUBHN2 unspecs and ADDSUBHN2 iterator.
9821
9822 2021-05-19  Richard Biener  <rguenther@suse.de>
9823
9824         PR middle-end/100672
9825         * fold-const.c (fold_negate_expr_1): Use element_precision.
9826         (negate_expr_p): Likewise.
9827
9828 2021-05-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
9829
9830         * config/aarch64/iterators.md (SVE_PRED_LOAD): New iterator.
9831         (pred_load): New int attribute.
9832         * config/aarch64/aarch64-sve.md
9833         (aarch64_load_<ANY_EXTEND:optab><SVE_HSDI:mode><SVE_PARTIAL_I:mode>): Use
9834         SVE_PRED_LOAD enum iterator and corresponding pred_load attribute.
9835         * config/aarch64/aarch64-sve-builtins-base.cc (expand): Update call to
9836         code_for_aarch64_load.
9837
9838 2021-05-19  Richard Biener  <rguenther@suse.de>
9839
9840         * cfgexpand.c (discover_nonconstant_array_refs_r): Make
9841         sure TARGET_MEM_REF bases are expanded as memory.
9842         * tree-ssa-operands.c (operands_scanner::get_tmr_operands):
9843         Do not mark TARGET_MEM_REF bases addressable.
9844         * tree-ssa.c (non_rewritable_mem_ref_base): Handle
9845         TARGET_MEM_REF bases as never rewritable.
9846         * gimple-walk.c (walk_stmt_load_store_addr_ops): Do not
9847         walk TARGET_MEM_REF bases as address-takens.
9848         * tree-ssa-dce.c (ref_may_be_aliased): Handle TARGET_MEM_REF.
9849
9850 2021-05-19  Richard Biener  <rguenther@suse.de>
9851
9852         * builtins.c (get_object_alignment_1): Strip outer
9853         WITH_SIZE_EXPR.
9854         * tree-dfa.c (get_ref_base_and_extent): Handle outer
9855         WITH_SIZE_EXPR for size processing and process the
9856         containing ref.
9857         * tree-ssa-alias.c (ao_ref_base_alias_set): Strip
9858         outer WITH_SIZE_EXPR.
9859         (ao_ref_base_alias_ptr_type): Likewise.
9860         (refs_may_alias_p_2): Allow WITH_SIZE_EXPR in ref->ref
9861         and handle that accordingly, stripping it for the
9862         core alias workers.
9863         * tree.c (get_base_address): Handle WITH_SIZE_EXPR by
9864         looking through it instead of returning NULL.
9865
9866 2021-05-19  Jakub Jelinek  <jakub@redhat.com>
9867
9868         PR middle-end/100576
9869         * builtins.c (check_read_access): Convert bound to size_type_node if
9870         non-NULL.
9871
9872 2021-05-19  Richard Biener  <rguenther@suse.de>
9873
9874         * tree-cfg.c (verify_types_in_gimple_min_lval): Inline...
9875         (verify_types_in_gimple_reference): ... here.  Sanitize.
9876         (verify_gimple_call): Verify references in LHS and arguments.
9877         (verify_gimple_assign_single): Reject WITH_SIZE_EXPR.
9878
9879 2021-05-19  Uroš Bizjak  <ubizjak@gmail.com>
9880
9881         * config/i386/i386.h (VALID_INT_MODE_P):
9882         Add V8QI, V4HI and V2SI modes for TARGET_64BIT.
9883         * config/i386/i386.md (isa): Add x64_bmi.
9884         (enabled): Handle x64_bmi.
9885         * config/i386/mmx.md (mmx_andnot<MMXMODEI:mode>3):
9886         Add alternative using 64bit general registers.
9887         (*mmx_<any_logic:code><MMXMODEI:mode>3): Ditto.
9888
9889 2021-05-19  Jakub Jelinek  <jakub@redhat.com>
9890
9891         PR middle-end/99928
9892         * tree.h (OMP_MASTER_COMBINED): Define.
9893         * gimplify.c (gimplify_scan_omp_clauses): Rewrite lastprivate
9894         handling for outer combined/composite constructs to a loop.
9895         Handle lastprivate on combined target.
9896         (gimplify_expr): Formatting fix.
9897
9898 2021-05-19  Xionghu Luo  <luoxhu@linux.ibm.com>
9899
9900         * passes.def: Add sink_code pass before store_merging.
9901         * tree-ssa-sink.c (pass_sink_code:clone): New.
9902
9903 2021-05-18  Bill Schmidt  <wschmidt@linux.ibm.com>
9904
9905         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Remove call to
9906         rs6000_special_adjust_field_align_p.
9907         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
9908         * config/rs6000/rs6000-call.c (rs6000_function_arg_boundary):
9909         Remove ABI warning.
9910         (rs6000_function_arg): Likewise.
9911         * config/rs6000/rs6000-protos.h
9912         (rs6000_special_adjust_field_align_p): Remove prototype.
9913         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
9914         Remove.
9915         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Remove call to
9916         rs6000_special_adjust_field_align_p.
9917
9918 2021-05-18  Uroš Bizjak  <ubizjak@gmail.com>
9919
9920         PR target/100637
9921         * config/i386/i386.h (VALID_SSE2_REG_MODE):
9922         Add V4QI and V2HI modes.
9923         (VALID_INT_MODE_P): Ditto.
9924         * config/i386/mmx.md (VI_32): New mode iterator.
9925         (mmxvecsize): Handle V4QI and V2HI.
9926         (Yv_Yw): Ditto.
9927         (mov<VI_32:mode>): New expander.
9928         (*mov<mode>_internal): New insn pattern.
9929         (movmisalign<VI_32:mode>): New expander.
9930         (neg<VI_32:mode>): New expander.
9931         (<plusminus:insn><VI_32:mode>3): New expander.
9932         (*<plusminus:insn><VI_32:mode>3): New insn pattern.
9933         (mulv2hi3): New expander.
9934         (*mulv2hi3): New insn pattern.
9935         (one_cmpl<VI_32:mode>2): New expander.
9936         (*andnot<VI_32:mode>3): New insn pattern.
9937         (<any_logic:code><VI_32:mode>3): New expander.
9938         (*<any_logic:code><VI_32:mode>3): New insn pattern.
9939
9940 2021-05-18  Uroš Bizjak  <ubizjak@gmail.com>
9941
9942         * config/i386/sse.md (<any_extend:insn>v4qiv4di2):
9943         Fix a mode mismatch with operand 1.
9944
9945 2021-05-18  Uroš Bizjak  <ubizjak@gmail.com>
9946
9947         PR target/100626
9948         * config/i386/i386-expand.c (split_double_mode): Return
9949         temporary register when simplify_gen_subreg fails with
9950         the high half od the paradoxical subreg.
9951
9952 2021-05-18  Richard Biener  <rguenther@suse.de>
9953
9954         * cfgexpand.c (expand_one_var): Pass in forced_stack_var
9955         and honor it when expanding.
9956         (expand_used_vars_for_block): Pass through forced_stack_var.
9957         (expand_used_vars): Likewise.
9958         (discover_nonconstant_array_refs_r): Set bits in
9959         forced_stack_vars instead of marking vars TREE_ADDRESSABLE.
9960         (avoid_type_punning_on_regs): Likewise.
9961         (discover_nonconstant_array_refs): Likewise.
9962         (pass_expand::execute): Create and pass down forced_stack_var
9963         bitmap.  For parameters and returns temporarily set
9964         TREE_ADDRESSABLE when expand_function_start.
9965
9966 2021-05-18  Thomas Schwinge  <thomas@codesourcery.com>
9967
9968         * doc/sourcebuild.texi: Document 'dg-note'.
9969
9970 2021-05-18  Tobias Burnus  <tobias@codesourcery.com>
9971
9972         PR other/100598
9973         * configure: Regenerate.
9974         * configure.ac (BUILD_CFLAG, BUILD_CXXFLAGS): Add $(CFLAGS-$@).
9975
9976 2021-05-18  Thomas Schwinge  <thomas@codesourcery.com>
9977
9978         * gimple.h (is_gimple_omp_oacc): Tighten.
9979         * omp-low.c (check_omp_nesting_restrictions): Adjust.
9980
9981 2021-05-18  Richard Biener  <rguenther@suse.de>
9982
9983         * tree-ssa-operands.c (mark_address_taken): Simplify.
9984
9985 2021-05-18  Martin Liska  <mliska@suse.cz>
9986
9987         * config/gcn/mkoffload.c (STR): Redefine.
9988         * config/i386/intelmic-mkoffload.c (STR): Likewise.
9989         * config/nvptx/mkoffload.c (STR): Likewise.
9990
9991 2021-05-18  Martin Liska  <mliska@suse.cz>
9992
9993         * common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
9994         Use startswith function instead of strncmp.
9995         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
9996         * common/config/riscv/riscv-common.c (riscv_subset_list::parse): Likewise.
9997         * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): Likewise.
9998         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Likewise.
9999         * config/alpha/alpha.c (alpha_elf_section_type_flags): Likewise.
10000         * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
10001         * config/arm/arm.c (arm_file_start): Likewise.
10002         (arm_valid_target_attribute_rec): Likewise.
10003         (thumb1_md_asm_adjust): Likewise.
10004         * config/arm/driver-arm.c (host_detect_local_cpu): Likewise.
10005         * config/avr/avr.c (STR_PREFIX_P): Likewise.
10006         (avr_set_current_function): Likewise.
10007         (avr_handle_addr_attribute): Likewise.
10008         (avr_asm_output_aligned_decl_common): Likewise.
10009         (avr_asm_named_section): Likewise.
10010         (avr_section_type_flags): Likewise.
10011         (avr_asm_select_section): Likewise.
10012         * config/c6x/c6x.c (c6x_in_small_data_p): Likewise.
10013         (c6x_section_type_flags): Likewise.
10014         * config/darwin-c.c (darwin_cfstring_ref_p): Likewise.
10015         (darwin_objc_declare_unresolved_class_reference): Likewise.
10016         (darwin_objc_declare_class_definition): Likewise.
10017         * config/darwin.c (indirect_data): Likewise.
10018         (darwin_encode_section_info): Likewise.
10019         (darwin_objc2_section): Likewise.
10020         (darwin_objc1_section): Likewise.
10021         (machopic_select_section): Likewise.
10022         (darwin_globalize_label): Likewise.
10023         (darwin_label_is_anonymous_local_objc_name): Likewise.
10024         (darwin_asm_named_section): Likewise.
10025         (darwin_asm_output_dwarf_offset): Likewise.
10026         * config/frv/frv.c (frv_string_begins_with): Likewise.
10027         (frv_in_small_data_p): Likewise.
10028         * config/gcn/mkoffload.c (STR): Likewise.
10029         (main): Likewise.
10030         * config/i386/i386-builtins.c (get_builtin_code_for_version): Likewise.
10031         * config/i386/i386-options.c (ix86_option_override_internal): Likewise.
10032         * config/i386/i386.c (x86_64_elf_section_type_flags): Likewise.
10033         (ix86_md_asm_adjust): Likewise.
10034         * config/i386/intelmic-mkoffload.c (STR): Likewise.
10035         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
10036         (i386_pe_file_end): Likewise.
10037         * config/ia64/ia64.c (ia64_in_small_data_p): Likewise.
10038         (ia64_section_type_flags): Likewise.
10039         * config/mips/driver-native.c (host_detect_local_cpu): Likewise.
10040         * config/mips/mips.c (mips_handle_interrupt_attr): Likewise.
10041         (mips16_stub_function_p): Likewise.
10042         (mips_function_rodata_section): Likewise.
10043         * config/msp430/msp430.c (msp430_mcu_name): Likewise.
10044         (msp430_function_section): Likewise.
10045         (msp430_section_type_flags): Likewise.
10046         (msp430_expand_helper): Likewise.
10047         * config/nios2/nios2.c (nios2_small_section_name_p): Likewise.
10048         (nios2_valid_target_attribute_rec): Likewise.
10049         * config/nvptx/mkoffload.c (process): Likewise.
10050         (STR): Likewise.
10051         * config/pa/som.h: Likewise.
10052         * config/pdp11/pdp11.c (pdp11_output_ident): Likewise.
10053         * config/riscv/riscv.c (riscv_elf_select_rtx_section): Likewise.
10054         * config/rs6000/rs6000.c (VTABLE_NAME_P): Likewise.
10055         (rs6000_inner_target_options): Likewise.
10056         * config/s390/driver-native.c (s390_host_detect_local_cpu): Likewise.
10057         * config/sparc/driver-sparc.c (host_detect_local_cpu): Likewise.
10058         * config/vax/vax.c (vax_output_int_move): Likewise.
10059         * config/vms/vms-ld.c (startswith): Likewise.
10060         (process_args): Likewise.
10061         (main): Likewise.
10062         * config/vms/vms.c: Likewise.
10063
10064 2021-05-18  Jakub Jelinek  <jakub@redhat.com>
10065
10066         PR rtl-optimization/100590
10067         * regcprop.c (copyprop_hardreg_forward_1): Only DCE dead sets if
10068         they are NONJUMP_INSN_P.
10069
10070 2021-05-18  Jakub Jelinek  <jakub@redhat.com>
10071
10072         PR c++/100580
10073         * function.c (push_dummy_function): Set DECL_ARTIFICIAL and
10074         DECL_ASSEMBLER_NAME on the fn_decl.
10075
10076 2021-05-18  Jakub Jelinek  <jakub@redhat.com>
10077
10078         PR tree-optimization/94589
10079         * tree-ssa-phiopt.c (spaceship_replacement): Pattern match
10080         phi result used in (res & ~1) == 0 comparison as res >= 0 as
10081         res == 2 would be UB with -ffinite-math-only.
10082
10083 2021-05-18  Martin Liska  <mliska@suse.cz>
10084
10085         * Makefile.in: genversion.o should depend on DATESTAMP.
10086
10087 2021-05-18  Claudiu Zissulescu  <claziss@synopsys.com>
10088
10089         * config/arc/simdext.md (negv2si2): Remove round bracket.
10090
10091 2021-05-18  Andreas Krebbel  <krebbel@linux.ibm.com>
10092
10093         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Define
10094         _Bool as macro expanding to _Bool.
10095
10096 2021-05-18  Andreas Krebbel  <krebbel@linux.ibm.com>
10097
10098         PR c++/100281
10099         * tree.c (build_reference_type_for_mode)
10100         (build_pointer_type_for_mode): Pick pointer mode if MODE argument
10101         is VOIDmode.
10102         (build_reference_type, build_pointer_type): Invoke
10103         build_*_type_for_mode with VOIDmode.
10104
10105 2021-05-17  Andrew MacLeod  <amacleod@redhat.com>
10106
10107         PR tree-optimization/100512
10108         * gimple-range-cache.cc (ranger_cache::set_global_range): Mark const
10109         and non-zero pointer ranges as invariant.
10110         * gimple-range.cc (gimple_ranger::range_of_stmt): Remove pointer
10111         processing from here.
10112
10113 2021-05-17  Tom de Vries  <tdevries@suse.de>
10114
10115         PR target/100497
10116         * config/nvptx/nvptx-protos.h (nvptx_output_atomic_insn): Declare
10117         * config/nvptx/nvptx.c (nvptx_output_barrier)
10118         (nvptx_output_atomic_insn): New function.
10119         (nvptx_print_operand): Add support for 'B'.
10120         * config/nvptx/nvptx.md: Use nvptx_output_atomic_insn for atomic
10121         insns.
10122
10123 2021-05-17  Aldy Hernandez  <aldyh@redhat.com>
10124
10125         PR tree-optimization/100349
10126         * vr-values.c (bounds_of_var_in_loop): Bail if scev returns
10127           NULL.
10128
10129 2021-05-17  Tamar Christina  <tamar.christina@arm.com>
10130
10131         * config/aarch64/driver-aarch64.c (DEFAULT_ARCH): New.
10132         (host_detect_local_cpu): Use it.
10133
10134 2021-05-17  Martin Liska  <mliska@suse.cz>
10135
10136         * doc/invoke.texi: Add 2 missing dots.
10137
10138 2021-05-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
10139
10140         PR bootstrap/100552
10141         * configure.ac: Replace pattern substitution with call to sed.
10142         * configure: Regenerate.
10143
10144 2021-05-17  Richard Biener  <rguenther@suse.de>
10145
10146         PR middle-end/100582
10147         * tree.c (array_at_struct_end_p): Get to the base of the
10148         reference before looking for the underlying decl.
10149
10150 2021-05-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10151
10152         * genoutput.c (validate_insn_alternatives) Make "wrong number of
10153         alternatives" message more specific, and remove assumption on where
10154         the problem is.
10155
10156 2021-05-17  Christophe Lyon  <christophe.lyon@linaro.org>
10157
10158         * config/arm/iterators.md (V16): New iterator.
10159         (VH_cvtto): New iterator.
10160         (v_cmp_result): Added V4HF and V8HF support.
10161         * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result>): Use VDQWH.
10162         (vcond<mode><mode>): Likewise.
10163         (vcond_mask_<mode><v_cmp_result>): Likewise.
10164         (vcond<VH_cvtto><mode>): New expander.
10165
10166 2021-05-17  Christophe Lyon  <christophe.lyon@linaro.org>
10167
10168         * config/arm/arm-protos.h (arm_expand_vector_compare): Update
10169         prototype.
10170         * config/arm/arm.c (arm_expand_vector_compare): Add support for
10171         MVE.
10172         (arm_expand_vcond): Likewise.
10173         * config/arm/iterators.md (supf): Remove VCMPNEQ_S, VCMPEQQ_S,
10174         VCMPEQQ_N_S, VCMPNEQ_N_S.
10175         (VCMPNEQ, VCMPEQQ, VCMPEQQ_N, VCMPNEQ_N): Remove.
10176         * config/arm/mve.md (@mve_vcmp<mve_cmp_op>q_<mode>): Add '@' prefix.
10177         (@mve_vcmp<mve_cmp_op>q_f<mode>): Likewise.
10178         (@mve_vcmp<mve_cmp_op>q_n_f<mode>): Likewise.
10179         (@mve_vpselq_<supf><mode>): Likewise.
10180         (@mve_vpselq_f<mode>"): Likewise.
10181         * config/arm/neon.md (vec_cmp<mode><v_cmp_result): Enable for MVE
10182         and move to vec-common.md.
10183         (vec_cmpu<mode><mode>): Likewise.
10184         (vcond<mode><mode>): Likewise.
10185         (vcond<V_cvtto><mode>): Likewise.
10186         (vcondu<mode><v_cmp_result>): Likewise.
10187         (vcond_mask_<mode><v_cmp_result>): Likewise.
10188         * config/arm/unspecs.md (VCMPNEQ_U, VCMPNEQ_S, VCMPEQQ_S)
10189         (VCMPEQQ_N_S, VCMPNEQ_N_S, VCMPEQQ_U, CMPEQQ_N_U, VCMPNEQ_N_U)
10190         (VCMPGEQ_N_S, VCMPGEQ_S, VCMPGTQ_N_S, VCMPGTQ_S, VCMPLEQ_N_S)
10191         (VCMPLEQ_S, VCMPLTQ_N_S, VCMPLTQ_S, VCMPCSQ_N_U, VCMPCSQ_U)
10192         (VCMPHIQ_N_U, VCMPHIQ_U): Remove.
10193         * config/arm/vec-common.md (vec_cmp<mode><v_cmp_result): Moved
10194         from neon.md.
10195         (vec_cmpu<mode><mode>): Likewise.
10196         (vcond<mode><mode>): Likewise.
10197         (vcond<V_cvtto><mode>): Likewise.
10198         (vcondu<mode><v_cmp_result>): Likewise.
10199         (vcond_mask_<mode><v_cmp_result>): Likewise. Added unsafe math
10200         condition.
10201
10202 2021-05-17  liuhongt  <hongtao.liu@intel.com>
10203
10204         PR target/100549
10205         * config/i386/i386.c (ix86_gimple_fold_builtin): Use
10206         gsi_insert_seq_before instead.
10207
10208 2021-05-17  Christophe Lyon  <christophe.lyon@linaro.org>
10209
10210         * doc/sourcebuild.texi (arm_qbit_ok): Rename into...
10211         (arm_sat_ok): ...this.
10212
10213 2021-05-17  Martin Liska  <mliska@suse.cz>
10214
10215         * lto-wrapper.c (merge_flto_options): Factor out a new function.
10216         (merge_and_complain): Use it.
10217         (run_gcc): Merge also linker command line -flto=foo argument
10218         with IL files.
10219
10220 2021-05-16  Christophe Lyon  <christophe.lyon@linaro.org>
10221
10222         * config/arm/arm.h (CPP_SPEC): Remove error message about
10223         -mlittle-endian/-mbig-endian conflict.
10224
10225 2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
10226
10227         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
10228         __ROP_PROTECT__ if -mrop-protect is selected.
10229
10230 2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
10231
10232         * config/rs6000/rs6000-internal.h (rs6000_stack): Add
10233         rop_hash_save_offset and rop_hash_size.
10234         * config/rs6000/rs6000-logue.c (rs6000_stack_info): Compute
10235         rop_hash_size and rop_hash_save_offset.
10236         (debug_stack_info): Dump rop_hash_save_offset and rop_hash_size.
10237         (rs6000_emit_prologue): Emit hashst[p] in prologue.
10238         (rs6000_emit_epilogue): Emit hashchk[p] in epilogue.
10239         * config/rs6000/rs6000.md (unspec): Add UNSPEC_HASHST and
10240         UNSPEC_HASHCHK.
10241         (hashst): New define_insn.
10242         (hashchk): Likewise.
10243
10244 2021-05-15  Bill Schmidt  <wschmidt@linux.ibm.com>
10245
10246         * config/rs6000/rs6000.c (rs6000_option_override_internal):
10247         Disable shrink wrap when inserting ROP-protect instructions.
10248         * config/rs6000/rs6000.opt (mrop-protect): New option.
10249         (mprivileged): Likewise.
10250         * doc/invoke.texi: Document mrop-protect and mprivileged.
10251
10252 2021-05-15  Hans-Peter Nilsson  <hp@axis.com>
10253
10254         * reorg.c (fill_slots_from_thread): Reinstate code typoed out in
10255         "Remove CC0".
10256
10257 2021-05-15  Martin Jambor  <mjambor@suse.cz>
10258
10259         Revert:
10260         2021-05-13  Martin Jambor  <mjambor@suse.cz>
10261
10262         PR tree-optimization/100453
10263         * tree-sra.c (sra_modify_assign): All const base accesses do not
10264         need refreshing, not just those from decl_pool.
10265         (sra_modify_assign): Do not refresh into a const base decl.
10266
10267 2021-05-15  Jakub Jelinek  <jakub@redhat.com>
10268
10269         PR rtl-optimization/100342
10270         * regcprop.c (copy_value): When copying a source reg in a wider
10271         mode than it has recorded for the value, adjust recorded destination
10272         mode too or punt if !REG_CAN_CHANGE_MODE_P.
10273
10274 2021-05-14  Jason Merrill  <jason@redhat.com>
10275
10276         * intl.h: Add comments.
10277
10278 2021-05-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10279
10280         * config/aarch64/aarch64-simd.md
10281         (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>_internal): Split into...
10282         (aarch64_sqdmlsl2_lane<mode>_internal): ... This...
10283         (aarch64_sqdmlal2_lane<mode>_internal): ... And this.
10284         (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>_internal): Split into ...
10285         (aarch64_sqdmlsl2_laneq<mode>_internal): ... This...
10286         (aarch64_sqdmlal2_laneq<mode>_internal): ... And this.
10287         (aarch64_sqdml<SBINQOPS:as>l2_n<mode>_internal): Split into...
10288         (aarch64_sqdmlsl2_n<mode>_internal): ... This...
10289         (aarch64_sqdmlal2_n<mode>_internal): ... And this.
10290
10291 2021-05-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
10292
10293         PR target/66791
10294         * config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
10295         boolean logic equivalent.
10296         (vtst_s16): Likewise.
10297         (vtst_s32): Likewise.
10298         (vtst_u8): Likewise.
10299         (vtst_u16): Likewise.
10300         (vtst_u32): Likewise.
10301         (vtst_p8): Likewise.
10302         (vtst_p16): Likewise.
10303         (vtstq_s8): Likewise.
10304         (vtstq_s16): Likewise.
10305         (vtstq_s32): Likewise.
10306         (vtstq_u8): Likewise.
10307         (vtstq_u16): Likewise.
10308         (vtstq_u32): Likewise.
10309         (vtstq_p8): Likewise.
10310         (vtstq_p16): Likewise.
10311         * config/arm/arm_neon_builtins.def: Remove entry for vtst.
10312         * config/arm/neon.md (neon_vtst<mode>): Remove pattern.
10313
10314 2021-05-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10315
10316         * config/aarch64/aarch64-simd.md (aarch64_sqdmlal2<mode>): Merge into...
10317         (aarch64_sqdml<SBINQOPS:as>l2<mode>): ... This.
10318         (aarch64_sqdmlsl2<mode>): Delete.
10319         (aarch64_sqdmlal2_lane<mode>): Merge this...
10320         (aarch64_sqdmlsl2_lane<mode>): ... And this...
10321         (aarch64_sqdml<SBINQOPS:as>l2_lane<mode>): ... Into this.
10322         (aarch64_sqdmlal2_laneq<mode>): Merge this...
10323         (aarch64_sqdmlsl2_laneq<mode>): ... And this...
10324         (aarch64_sqdml<SBINQOPS:as>l2_laneq<mode>): ... Into this.
10325         (aarch64_sqdmlal2_n<mode>): Merge this...
10326         (aarch64_sqdmlsl2_n<mode>): ... And this...
10327         (aarch64_sqdml<SBINQOPS:as>l2_n<mode>): ... Into this.
10328
10329 2021-05-13  Martin Sebor  <msebor@redhat.com>
10330
10331         PR middle-end/100574
10332         * builtins.c (access_ref::get_ref): Improve detection of PHIs with
10333         all null arguments.
10334
10335 2021-05-13  Martin Sebor  <msebor@redhat.com>
10336
10337         PR tree-optimization/93100
10338         PR middle-end/98583
10339         * tree-ssa-uninit.c (check_defs): Exclude intrinsic functions that
10340         don't modify referenced objects.
10341
10342 2021-05-13  Martin Jambor  <mjambor@suse.cz>
10343
10344         PR tree-optimization/100453
10345         * tree-sra.c (sra_modify_assign): All const base accesses do not
10346         need refreshing, not just those from decl_pool.
10347         (sra_modify_assign): Do not refresh into a const base decl.
10348
10349 2021-05-13  Martin Liska  <mliska@suse.cz>
10350
10351         * tree-ssa-dom.c: Remove m_simplifier.
10352
10353 2021-05-13  Richard Earnshaw  <rearnsha@arm.com>
10354
10355         PR target/100563
10356         * config/arm/arm.c (arm_canonicalize_comparison): Correctly
10357         canonicalize DImode inequality comparisons against the
10358         maximum integral value.
10359
10360 2021-05-13  Jakub Jelinek  <jakub@redhat.com>
10361
10362         PR tree-optimization/98856
10363         * config/i386/i386.c (ix86_shift_rotate_cost): Add CODE argument.
10364         Expect V2DI and V4DI arithmetic right shifts to be emulated.
10365         (ix86_rtx_costs, ix86_add_stmt_cost): Adjust ix86_shift_rotate_cost
10366         caller.
10367         * config/i386/i386-expand.c (expand_vec_perm_2perm_interleave,
10368         expand_vec_perm_2perm_pblendv): New functions.
10369         (ix86_expand_vec_perm_const_1): Use them.
10370         * config/i386/sse.md (ashr<mode>3<mask_name>): Rename to ...
10371         (<mask_codefor>ashr<mode>3<mask_name>): ... this.
10372         (ashr<mode>3): New define_expand with VI248_AVX512BW iterator.
10373         (ashrv4di3): New define_expand.
10374         (ashrv2di3): Change condition to TARGET_SSE2, handle !TARGET_XOP
10375         and !TARGET_AVX512VL expansion.
10376
10377 2021-05-13  Uroš Bizjak  <ubizjak@gmail.com>
10378
10379         PR target/100581
10380         * config/i386/i386-expand.c (ix86_expand_sse_movcc): Force mode
10381         sizes < 16 to a register when constructing vpcmov pattern.
10382         * config/i386/mmx.md (*xop_pcmov_<mode>): Use MMXMODE124 mode.
10383
10384 2021-05-13  Martin Liska  <mliska@suse.cz>
10385
10386         * gcov-io.c (gcov_write_block): Remove.
10387         (gcov_write_words): Likewise.
10388         (gcov_read_words): Re-implement using gcov_read_bytes.
10389         (gcov_allocate): Remove.
10390         (GCOV_BLOCK_SIZE): Likewise.
10391         (struct gcov_var): Remove most of the fields.
10392         (gcov_position): Implement with ftell.
10393         (gcov_rewrite): Remove setting of start and offset fields.
10394         (from_file): Re-format.
10395         (gcov_open): Remove setbuf call. It should not be needed.
10396         (gcov_close): Remove internal buffer handling.
10397         (gcov_magic): Use __builtin_bswap32.
10398         (gcov_write_counter): Use directly gcov_write_unsigned.
10399         (gcov_write_string): Use direct fwrite and do not round
10400         to 4 bytes.
10401         (gcov_seek): Use directly fseek.
10402         (gcov_write_tag): Use gcov_write_unsigned directly.
10403         (gcov_write_length): Likewise.
10404         (gcov_write_tag_length): Likewise.
10405         (gcov_read_bytes): Use directly fread.
10406         (gcov_read_unsigned): Use gcov_read_words.
10407         (gcov_read_counter): Likewise.
10408         (gcov_read_string): Use gcov_read_bytes.
10409         * gcov-io.h (GCOV_WORD_SIZE): Adjust to reflect
10410         that size is not in bytes, but words (4B).
10411         (GCOV_TAG_FUNCTION_LENGTH): Likewise.
10412         (GCOV_TAG_ARCS_LENGTH): Likewise.
10413         (GCOV_TAG_ARCS_NUM): Likewise.
10414         (GCOV_TAG_COUNTER_LENGTH): Likewise.
10415         (GCOV_TAG_COUNTER_NUM): Likewise.
10416         (GCOV_TAG_SUMMARY_LENGTH): Likewise.
10417
10418 2021-05-13  liuhongt  <hongtao.liu@intel.com>
10419
10420         PR target/94680
10421         * config/i386/sse.md (ssedoublevecmode): Add attribute for
10422         V64QI/V32HI/V16SI/V4DI.
10423         (ssehalfvecmode): Add attribute for V2DI/V2DF.
10424         (*vec_concatv4si_0): Extend to VI124_128.
10425         (*vec_concat<mode>_0): New pre-reload splitter.
10426         * config/i386/predicates.md (movq_parallel): New predicate.
10427
10428 2021-05-13  Alexandre Oliva  <oliva@adacore.com>
10429
10430         * targhooks.c (default_zero_call_used_regs): Retry using
10431         successfully-zeroed registers as sources.
10432
10433 2021-05-12  Tobias Burnus  <tobias@codesourcery.com>
10434
10435         * omp-low.c (finish_taskreg_scan): Use the proper detach decl.
10436
10437 2021-05-12  Aldy Hernandez  <aldyh@redhat.com>
10438
10439         PR c/100521
10440         * gimple-range.cc (range_of_builtin_call): Skip out on
10441           processing __builtin_clz when varying.
10442
10443 2021-05-12  Tom de Vries  <tdevries@suse.de>
10444
10445         PR target/96005
10446         * config/nvptx/nvptx-opts.h (enum ptx_version): New enum.
10447         * config/nvptx/nvptx.c (nvptx_file_start): Print .version according
10448         to ptx_version_option.
10449         * config/nvptx/nvptx.h (TARGET_PTX_6_3): Define.
10450         * config/nvptx/nvptx.md (define_insn "nvptx_shuffle<mode>")
10451         (define_insn "nvptx_vote_ballot"): Use sync variant for
10452         TARGET_PTX_6_3.
10453         * config/nvptx/nvptx.opt (ptx_version): Add enum.
10454         (mptx): Add option.
10455         * doc/invoke.texi (Nvidia PTX Options): Add mptx item.
10456
10457 2021-05-12  Richard Biener  <rguenther@suse.de>
10458
10459         PR tree-optimization/100566
10460         * tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
10461         allow_back for all edge queries.
10462
10463 2021-05-12  liuhongt  <hongtao.liu@intel.com>
10464
10465         PR target/99908
10466         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
10467         splitters for pblendvb of NOT mask register.
10468
10469 2021-05-12  Richard Biener  <rguenther@suse.de>
10470
10471         PR tree-optimization/100519
10472         * tree-ssa-reassoc.c (can_associate_p): Split into...
10473         (can_associate_op_p): ... this
10474         (can_associate_type_p): ... and this.
10475         (is_reassociable_op): Call can_associate_op_p.
10476         (break_up_subtract_bb): Call the appropriate predicates.
10477         (reassociate_bb): Likewise.
10478
10479 2021-05-12  Martin Liska  <mliska@suse.cz>
10480
10481         * lto-wrapper.c (merge_and_complain): Merge -flto=arg options.
10482         (run_gcc): Use -flto argument detection for merged
10483         fdecoded_options.
10484
10485 2021-05-12  Martin Liska  <mliska@suse.cz>
10486
10487         * lto-wrapper.c (print_lto_docs_link): New function.
10488         (run_gcc): Print warning about missing job server detection
10489         after we know NR of partitions. Do the same for -flto{,=1}.
10490         * opts.c (get_option_html_page): Support -flto option.
10491
10492 2021-05-12  Martin Liska  <mliska@suse.cz>
10493
10494         * lto-wrapper.c (get_options_from_collect_gcc_options): Change
10495         return type.
10496         (append_option): Remove.
10497         (find_option): Rework to use the vector type.
10498         (remove_option): Remove.
10499         (merge_and_complain): Use vectors for cl_decoded_option data
10500         type arguments.
10501         (append_compiler_options): Likewise.
10502         (append_diag_options): Likewise.
10503         (append_linker_options): Likewise.
10504         (append_offload_options): Likewise.
10505         (compile_offload_image): Likewise.
10506         (compile_images_for_offload_targets): Likewise.
10507         (find_and_merge_options): Likewise.
10508         (run_gcc): Likewise.
10509
10510 2021-05-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10511
10512         PR debug/100515
10513         * dwarf2out.c (dwarf2out_finish): Set
10514         have_multiple_function_sections with multi-range text_section.
10515
10516 2021-05-12  Martin Liska  <mliska@suse.cz>
10517
10518         PR bootstrap/100560
10519         * Makefile.in: Remove version.h from linker command line.
10520
10521 2021-05-12  Richard Biener  <rguenther@suse.de>
10522
10523         PR middle-end/100547
10524         * rtl.h (rtvec_alloc): Make argument size_t.
10525         * rtl.c (rtvec_alloc): Verify the count is less than INT_MAX.
10526
10527 2021-05-12  Jakub Jelinek  <jakub@redhat.com>
10528
10529         PR middle-end/100508
10530         * cfgexpand.c (expand_debug_expr): For DEBUG_EXPR_DECL with vector
10531         type, don't reuse DECL_RTL if it has different mode, instead force
10532         creation of a new DEBUG_EXPR.
10533
10534 2021-05-12  Jakub Jelinek  <jakub@redhat.com>
10535             Marc Glisse  <marc.glisse@inria.fr>
10536
10537         PR tree-optimization/94589
10538         * match.pd ((X & Y) == X -> (X & ~Y) == 0,
10539         (X | Y) == Y -> (X & ~Y) == 0): New GIMPLE simplifications.
10540
10541 2021-05-12  Uroš Bizjak  <ubizjak@gmail.com>
10542
10543         PR target/98218
10544         * config/i386/i386-expand.c (ix86_expand_sse_movcc): Handle V2SF mode.
10545         * config/i386/mmx.md (MMXMODE124): New mode iterator.
10546         (V2FI): Ditto.
10547         (mmxintvecmode): New mode attribute.
10548         (mmxintvecmodelower): Ditto.
10549         (*mmx_maskcmpv2sf3_comm): New insn pattern.
10550         (*mmx_maskcmpv2sf3): Ditto.
10551         (vec_cmpv2sfv2si): New expander.
10552         (vcond<V2FI:mode>v2si): Ditto.
10553         (mmx_vlendvps): New insn pattern.
10554         (vcond<MMXMODE124:mode><MMXMODEI:mode>): Also handle V2SFmode.
10555         (vcondu<MMXMODE124:mode><MMXMODEI:mode>): Ditto.
10556         (vcond_mask_<mode><mmxintvecmodelower>): Ditto.
10557
10558 2021-05-11  Martin Sebor  <msebor@redhat.com>
10559
10560         PR middle-end/21433
10561         * expr.c (expand_expr_real_1): Replace unreachable code with an assert.
10562
10563 2021-05-11  Richard Biener  <rguenther@suse.de>
10564
10565         * gimple-fold.c (gimple_fold_call): Do not call
10566         maybe_fold_reference on call arguments or the static chain.
10567         (fold_stmt_1): Do not call maybe_fold_reference on GIMPLE_ASM
10568         inputs.
10569
10570 2021-05-11  Martin Liska  <mliska@suse.cz>
10571
10572         * builtins.def (DEF_HSAIL_BUILTIN): Remove.
10573         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
10574         (DEF_HSAIL_SAT_BUILTIN): Likewise.
10575         (DEF_HSAIL_INTR_BUILTIN): Likewise.
10576         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
10577         * doc/frontends.texi: Remove BRIG.
10578         * doc/install.texi: Likewise.
10579         * doc/invoke.texi: Likewise.
10580         * doc/standards.texi: Likewise.
10581         * brig-builtins.def: Removed.
10582         * brig/ChangeLog: Removed.
10583         * brig/Make-lang.in: Removed.
10584         * brig/brig-builtins.h: Removed.
10585         * brig/brig-c.h: Removed.
10586         * brig/brig-lang.c: Removed.
10587         * brig/brigfrontend/brig-arg-block-handler.cc: Removed.
10588         * brig/brigfrontend/brig-atomic-inst-handler.cc: Removed.
10589         * brig/brigfrontend/brig-basic-inst-handler.cc: Removed.
10590         * brig/brigfrontend/brig-branch-inst-handler.cc: Removed.
10591         * brig/brigfrontend/brig-cmp-inst-handler.cc: Removed.
10592         * brig/brigfrontend/brig-code-entry-handler.cc: Removed.
10593         * brig/brigfrontend/brig-code-entry-handler.h: Removed.
10594         * brig/brigfrontend/brig-comment-handler.cc: Removed.
10595         * brig/brigfrontend/brig-control-handler.cc: Removed.
10596         * brig/brigfrontend/brig-copy-move-inst-handler.cc: Removed.
10597         * brig/brigfrontend/brig-cvt-inst-handler.cc: Removed.
10598         * brig/brigfrontend/brig-fbarrier-handler.cc: Removed.
10599         * brig/brigfrontend/brig-function-handler.cc: Removed.
10600         * brig/brigfrontend/brig-function.cc: Removed.
10601         * brig/brigfrontend/brig-function.h: Removed.
10602         * brig/brigfrontend/brig-inst-mod-handler.cc: Removed.
10603         * brig/brigfrontend/brig-label-handler.cc: Removed.
10604         * brig/brigfrontend/brig-lane-inst-handler.cc: Removed.
10605         * brig/brigfrontend/brig-machine.c: Removed.
10606         * brig/brigfrontend/brig-machine.h: Removed.
10607         * brig/brigfrontend/brig-mem-inst-handler.cc: Removed.
10608         * brig/brigfrontend/brig-module-handler.cc: Removed.
10609         * brig/brigfrontend/brig-queue-inst-handler.cc: Removed.
10610         * brig/brigfrontend/brig-seg-inst-handler.cc: Removed.
10611         * brig/brigfrontend/brig-signal-inst-handler.cc: Removed.
10612         * brig/brigfrontend/brig-to-generic.cc: Removed.
10613         * brig/brigfrontend/brig-to-generic.h: Removed.
10614         * brig/brigfrontend/brig-util.cc: Removed.
10615         * brig/brigfrontend/brig-util.h: Removed.
10616         * brig/brigfrontend/brig-variable-handler.cc: Removed.
10617         * brig/brigfrontend/hsa-brig-format.h: Removed.
10618         * brig/brigfrontend/phsa.h: Removed.
10619         * brig/brigspec.c: Removed.
10620         * brig/config-lang.in: Removed.
10621         * brig/gccbrig.texi: Removed.
10622         * brig/lang-specs.h: Removed.
10623         * brig/lang.opt: Removed.
10624
10625 2021-05-11  Richard Biener  <rguenther@suse.de>
10626
10627         PR ipa/100513
10628         * ipa-param-manipulation.c
10629         (ipa_param_body_adjustments::modify_call_stmt): Avoid
10630         altering SSA_NAME_DEF_STMT by adjusting the calls LHS
10631         via gimple_call_lhs_ptr.
10632
10633 2021-05-11  Alex Coplan  <alex.coplan@arm.com>
10634
10635         PR target/99725
10636         * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear):
10637         Avoid emitting CFA adjusts on the sp if we have the fp.
10638
10639 2021-05-11  Richard Sandiford  <richard.sandiford@arm.com>
10640
10641         * config/aarch64/iterators.md (VMUL_CHANGE_NLANES): Delete.
10642         (VMULD): New iterator.
10643         (VCOND): Handle V4HF and V8HF.
10644         (VCONQ): Fix entry for V2SF.
10645         * config/aarch64/aarch64-simd.md (mul_lane<mode>3): Use VMULD
10646         instead of VMUL.  Use a 64-bit vector mode for the indexed operand.
10647         (*aarch64_mul3_elt_<vswap_width_name><mode>): Merge with...
10648         (mul_laneq<mode>3): ...this define_insn.  Use VMUL instead of VDQSF.
10649         Use a 128-bit vector mode for the indexed operand.  Use stype for
10650         the scheduling type.
10651
10652 2021-05-11  Richard Biener  <rguenther@suse.de>
10653
10654         * gimple-fold.c (maybe_fold_reference): Only return
10655         is_gimple_min_invariant values.
10656
10657 2021-05-11  Richard Biener  <rguenther@suse.de>
10658
10659         PR middle-end/100509
10660         * gimple-fold.c (fold_gimple_assign): Only call
10661         get_symbol_constant_value on register type symbols.
10662
10663 2021-05-11  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
10664             Joe Ramsay   <joe.ramsay@arm.com>
10665
10666         PR target/100419
10667         * config/arm/arm_mve.h (__arm_vstrwq_scatter_offset): Fix wrong arguments.
10668         (__arm_vcmpneq): Remove duplicate definition.
10669         (__arm_vstrwq_scatter_offset_p): Likewise.
10670         (__arm_vmaxq_x): Likewise.
10671         (__arm_vmlsdavaq): Likewise.
10672         (__arm_vmlsdavaxq): Likewise.
10673         (__arm_vmlsdavq_p): Likewise.
10674         (__arm_vmlsdavxq_p): Likewise.
10675         (__arm_vrmlaldavhaq): Likewise.
10676         (__arm_vstrbq_p): Likewise.
10677         (__arm_vstrbq_scatter_offset): Likewise.
10678         (__arm_vstrbq_scatter_offset_p): Likewise.
10679         (__arm_vstrdq_scatter_offset): Likewise.
10680         (__arm_vstrdq_scatter_offset_p): Likewise.
10681         (__arm_vstrdq_scatter_shifted_offset): Likewise.
10682         (__arm_vstrdq_scatter_shifted_offset_p): Likewise.
10683
10684 2021-05-11  Jakub Jelinek  <jakub@redhat.com>
10685
10686         PR middle-end/100471
10687         * omp-low.c (lower_omp_task_reductions): For OMP_TASKLOOP, if data
10688         is 0, bypass the reduction loop including
10689         GOMP_taskgroup_reduction_unregister call.
10690
10691 2021-05-11  Kewen Lin  <linkw@linux.ibm.com>
10692
10693         * config/rs6000/rs6000.c (struct rs6000_cost_data): New member
10694         costing_for_scalar.
10695         (rs6000_density_test): Early return if costing_for_scalar is true.
10696         (rs6000_init_cost): Init costing_for_scalar of rs6000_cost_data.
10697
10698 2021-05-11  Kewen Lin  <linkw@linux.ibm.com>
10699
10700         * doc/tm.texi: Regenerated.
10701         * target.def (init_cost): Add new parameter costing_for_scalar.
10702         * targhooks.c (default_init_cost): Adjust for new parameter.
10703         * targhooks.h (default_init_cost): Likewise.
10704         * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Likewise.
10705         (vect_compute_single_scalar_iteration_cost): Likewise.
10706         (vect_analyze_loop_2): Likewise.
10707         * tree-vect-slp.c (_bb_vec_info::_bb_vec_info): Likewise.
10708         (vect_bb_vectorization_profitable_p): Likewise.
10709         * tree-vectorizer.h (init_cost): Likewise.
10710         * config/aarch64/aarch64.c (aarch64_init_cost): Likewise.
10711         * config/i386/i386.c (ix86_init_cost): Likewise.
10712         * config/rs6000/rs6000.c (rs6000_init_cost): Likewise.
10713
10714 2021-05-11  Kewen Lin  <linkw@linux.ibm.com>
10715
10716         * config/rs6000/rs6000.c (rs6000_vect_nonmem): Renamed to
10717         vect_nonmem and moved into...
10718         (struct rs6000_cost_data): ...here.
10719         (rs6000_init_cost): Use vect_nonmem of cost_data instead.
10720         (rs6000_add_stmt_cost): Likewise.
10721         (rs6000_finish_cost): Likewise.
10722
10723 2021-05-10  Eric Botcazou  <ebotcazou@adacore.com>
10724
10725         * range-op.cc (get_bool_state): Adjust head comment.
10726         (operator_not_equal::op1_range): Fix comment.
10727         (operator_bitwise_xor::op1_range): Remove call to gcc_unreachable.
10728
10729 2021-05-10  Martin Sebor  <msebor@redhat.com>
10730
10731         PR middle-end/100425
10732         PR middle-end/100510
10733         * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
10734         (pass_walloca::xlimit_certain_p): ...to this.
10735         (pass_walloca::gate): Execute for any kind of handled warning.
10736         (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
10737         warnings when xlimit_certain_p is set.
10738
10739 2021-05-10  Pat Haugen  <pthaugen@linux.ibm.com>
10740
10741         * config/rs6000/rs6000.c (rs6000_ira_change_pseudo_allocno_class):
10742         Return ALTIVEC_REGS if that is best_class.
10743         (rs6000_compute_pressure_classes): Add ALTIVEC_REGS.
10744
10745 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10746
10747         * config/arm/arm.h (CPP_SPEC): Remove error message about
10748         -mfloat-abi.
10749
10750 2021-05-10  Martin Jambor  <mjambor@suse.cz>
10751
10752         * ipa-prop.h (IPA_NODE_REF): Removed.
10753         (IPA_NODE_REF_GET_CREATE): Likewise.
10754         (IPA_EDGE_REF): Likewise.
10755         (IPA_EDGE_REF_GET_CREATE): Likewise.
10756         (IS_VALID_JUMP_FUNC_INDEX): Likewise.
10757         * ipa-cp.c (print_all_lattices): Replaced IPA_NODE_REF with a direct
10758         use of ipa_node_params_sum.
10759         (ipcp_versionable_function_p): Likewise.
10760         (push_node_to_stack): Likewise.
10761         (pop_node_from_stack): Likewise.
10762         (set_single_call_flag): Replaced two IPA_NODE_REF with one single
10763         direct use of ipa_node_params_sum.
10764         (initialize_node_lattices): Replaced IPA_NODE_REF with a direct use of
10765         ipa_node_params_sum.
10766         (ipa_context_from_jfunc): Replaced IPA_EDGE_REF with a direct use of
10767         ipa_edge_args_sum.
10768         (ipcp_verify_propagated_values): Replaced IPA_NODE_REF with a direct
10769         use of ipa_node_params_sum.
10770         (self_recursively_generated_p): Likewise.
10771         (propagate_scalar_across_jump_function): Likewise.
10772         (propagate_context_across_jump_function): Replaced IPA_EDGE_REF with a
10773         direct use of ipa_edge_args_sum, moved the lookup after the early
10774         exit.  Replaced IPA_NODE_REF with a direct use of ipa_node_params_sum.
10775         (propagate_bits_across_jump_function): Replaced IPA_NODE_REF with
10776         direct uses of ipa_node_params_sum.
10777         (propagate_vr_across_jump_function): Likewise.
10778         (propagate_aggregate_lattice): Likewise.
10779         (propagate_aggs_across_jump_function): Likewise.
10780         (propagate_constants_across_call): Likewise, also replaced
10781         IPA_EDGE_REF with a direct use of ipa_edge_args_sum.
10782         (good_cloning_opportunity_p): Replaced IPA_NODE_REF with a direct use
10783         of ipa_node_params_sum.
10784         (estimate_local_effects): Likewise.
10785         (add_all_node_vals_to_toposort): Likewise.
10786         (propagate_constants_topo): Likewise.
10787         (ipcp_propagate_stage): Likewise.
10788         (ipcp_discover_new_direct_edges): Likewise.
10789         (calls_same_node_or_its_all_contexts_clone_p): Likewise.
10790         (cgraph_edge_brings_value_p): Likewise (in both overloaded functions).
10791         (get_info_about_necessary_edges): Likewise.
10792         (want_remove_some_param_p): Likewise.
10793         (create_specialized_node): Likewise.
10794         (self_recursive_pass_through_p): Likewise.
10795         (self_recursive_agg_pass_through_p): Likewise.
10796         (find_more_scalar_values_for_callers_subset): Likewise and also
10797         replaced IPA_EDGE_REF with direct uses of ipa_edge_args_sum, in one
10798         case replacing two of those with a single query.
10799         (find_more_contexts_for_caller_subset): Likewise for the
10800         ipa_polymorphic_call_context overload.
10801         (intersect_aggregates_with_edge): Replaced IPA_EDGE_REF with a direct
10802         use of ipa_edge_args_sum.  Replaced IPA_NODE_REF with direct uses of
10803         ipa_node_params_sum.
10804         (find_aggregate_values_for_callers_subset): Likewise, also reusing
10805         results of ipa_edge_args_sum->get.
10806         (cgraph_edge_brings_all_scalars_for_node): Replaced IPA_NODE_REF with
10807         direct uses of ipa_node_params_sum, replaced IPA_EDGE_REF with a
10808         direct use of ipa_edge_args_sum.
10809         (cgraph_edge_brings_all_agg_vals_for_node): Likewise, moved node
10810         summary query after the early exit and reused the result later.
10811         (decide_about_value): Replaced IPA_NODE_REF with a direct use of
10812         ipa_node_params_sum.
10813         (decide_whether_version_node): Likewise.  Removed re-querying for
10814         summaries after cloning.
10815         (spread_undeadness): Replaced IPA_NODE_REF with a direct use of
10816         ipa_node_params_sum.
10817         (has_undead_caller_from_outside_scc_p): Likewise, reusing results of
10818         some queries.
10819         (identify_dead_nodes): Likewise.
10820         (ipcp_store_bits_results): Replaced IPA_NODE_REF with direct uses of
10821         ipa_node_params_sum.
10822         (ipcp_store_vr_results): Likewise.
10823         * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
10824         (ipa_fn_summary_t::duplicate): Likewise.
10825         (analyze_function_body): Likewise.
10826         (estimate_calls_size_and_time): Likewise.
10827         (ipa_cached_call_context::duplicate_from): Likewise.
10828         (ipa_call_context::equal_to): Likewise.
10829         (remap_edge_params): Likewise.
10830         (ipa_merge_fn_summary_after_inlining): Likewise.
10831         (inline_read_section): Likewise.
10832         * ipa-icf.c (sem_function::param_used_p): Likewise.
10833         * ipa-modref.c (compute_parm_map): Likewise.
10834         (compute_parm_map): Replaced IPA_EDGE_REF with a direct use of
10835         ipa_edge_args_sum.
10836         (get_access_for_fnspec): Replaced IPA_NODE_REF with a direct use of
10837         ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10838         ipa_edge_args_sum.
10839         * ipa-profile.c (check_argument_count): Likewise.
10840         * ipa-prop.c (ipa_alloc_node_params): Replaced IPA_NODE_REF_GET_CREATE
10841         with a direct use of ipa_node_params_sum.
10842         (ipa_initialize_node_params): Likewise.
10843         (ipa_print_node_jump_functions_for_edge): Replaced IPA_EDGE_REF with a
10844         direct use of ipa_edge_args_sum and reused the query result.
10845         (ipa_compute_jump_functions_for_edge): Replaced IPA_NODE_REF with a
10846         direct use of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10847         direct use of ipa_edge_args_sum.
10848         (ipa_note_param_call): Replaced IPA_NODE_REF with a direct use of
10849         ipa_node_params_sum and reused the result of the query.
10850         (ipa_analyze_node): Likewise.
10851         (ipa_analyze_controlled_uses): Replaced IPA_NODE_REF with a direct use
10852         of ipa_node_params_sum.
10853         (update_jump_functions_after_inlining): Replaced IPA_EDGE_REF with
10854         direct uses of ipa_edge_args_sum.
10855         (update_indirect_edges_after_inlining): Replaced IPA_NODE_REF with
10856         direct uses of ipa_node_params_sum and replaced IPA_EDGE_REF with a
10857         direct use of ipa_edge_args_sum.  Removed superficial re-querying the
10858         top edge summary.
10859         (propagate_controlled_uses): Replaced IPA_NODE_REF with direct uses of
10860         ipa_node_params_sum and replaced IPA_EDGE_REF with a direct use of
10861         ipa_edge_args_sum.
10862         (ipa_propagate_indirect_call_infos): Replaced IPA_EDGE_REF with a
10863         direct use of ipa_edge_args_sum.
10864         (ipa_edge_args_sum_t::duplicate): Replaced IPA_NODE_REF with a direct
10865         use of ipa_node_params_sum.
10866         (ipa_print_node_params): Likewise.
10867         (ipa_write_node_info): Likewise and also replaced IPA_EDGE_REF with
10868         direct uses of ipa_edge_args_sum.
10869         (ipa_read_edge_info): Replaced IPA_EDGE_REF with a direct use of
10870         ipa_edge_args_sum.
10871         (ipa_read_node_info): Replaced IPA_NODE_REF with a direct use of
10872         ipa_node_params_sum.
10873         (ipa_prop_write_jump_functions): Likewise.  Move variable node to the
10874         scopes where it is used.
10875
10876 2021-05-10  Uroš Bizjak  <ubizjak@gmail.com>
10877
10878         * config/i386/i386-expand.c (ix86_expand_sse_movcc)
10879         <case E_V2SImode>: Force op_true to register.
10880
10881 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10882
10883         * config/arm/iterators.md (MVE_FP_COMPARISONS): New.
10884         * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_f<mode>)
10885         (mve_vcmp<mve_cmp_op>q_n_f<mode>): New, merge all vcmp_*f*
10886         patterns.
10887         (mve_vcmpeqq_f<mode>, mve_vcmpeqq_n_f<mode>, mve_vcmpgeq_f<mode>)
10888         (mve_vcmpgeq_n_f<mode>, mve_vcmpgtq_f<mode>)
10889         (mve_vcmpgtq_n_f<mode>, mve_vcmpleq_f<mode>)
10890         (mve_vcmpleq_n_f<mode>, mve_vcmpltq_f<mode>)
10891         (mve_vcmpltq_n_f<mode>, mve_vcmpneq_f<mode>)
10892         (mve_vcmpneq_n_f<mode>): Remove.
10893         * config/arm/unspecs.md (VCMPEQQ_F, VCMPEQQ_N_F, VCMPGEQ_F)
10894         (VCMPGEQ_N_F, VCMPGTQ_F, VCMPGTQ_N_F, VCMPLEQ_F, VCMPLEQ_N_F)
10895         (VCMPLTQ_F, VCMPLTQ_N_F, VCMPNEQ_F, VCMPNEQ_N_F): Remove.
10896
10897 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10898
10899         * config/arm/iterators.md (MVE_COMPARISONS): New.
10900         (mve_cmp_op): New.
10901         (mve_cmp_type): New.
10902         * config/arm/mve.md (mve_vcmp<mve_cmp_op>q_<mode>): New, merge all
10903         mve_vcmp patterns.
10904         (mve_vcmpneq_<mode>, mve_vcmpcsq_n_<mode>, mve_vcmpcsq_<mode>)
10905         (mve_vcmpeqq_n_<mode>, mve_vcmpeqq_<mode>, mve_vcmpgeq_n_<mode>)
10906         (mve_vcmpgeq_<mode>, mve_vcmpgtq_n_<mode>, mve_vcmpgtq_<mode>)
10907         (mve_vcmphiq_n_<mode>, mve_vcmphiq_<mode>, mve_vcmpleq_n_<mode>)
10908         (mve_vcmpleq_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10909         (mve_vcmpneq_n_<mode>, mve_vcmpltq_n_<mode>, mve_vcmpltq_<mode>)
10910         (mve_vcmpneq_n_<mode>): Remove.
10911
10912 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10913
10914         * config/arm/arm_mve.h (__arm_vcmp*): Remove 's' suffix.
10915         * config/arm/arm_mve_builtins.def (vcmp*): Remove 's' suffix.
10916         * config/arm/mve.md (mve_vcmp*): Remove 's' suffix in pattern
10917         names.
10918
10919 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10920
10921         * config/arm/arm_mve_builtins.def (vcmpneq_u): Remove.
10922         (vcmpneq_n_u): Likewise.
10923         (vcmpeqq_u,): Likewise.
10924         (vcmpeqq_n_u): Likewise.
10925         * config/arm/iterators.md (supf): Remove VCMPNEQ_U, VCMPEQQ_U,
10926         VCMPEQQ_N_U and VCMPNEQ_N_U.
10927         * config/arm/mve.md (mve_vcmpneq): Remove <supf> iteration.
10928         (mve_vcmpeqq_n): Likewise.
10929         (mve_vcmpeqq): Likewise.
10930         (mve_vcmpneq_n): Likewise.
10931
10932 2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>
10933
10934         * config/arm/arm_mve.h (__arm_vcmpeq*u*, __arm_vcmpne*u*): Call
10935         the 's' version of the builtin.
10936
10937 2021-05-10  Richard Biener  <rguenther@suse.de>
10938
10939         PR tree-optimization/100492
10940         * tree-loop-distribution.c (find_seed_stmts_for_distribution):
10941         Find nothing when the loop contains an irreducible region.
10942
10943 2021-05-10  Richard Biener  <rguenther@suse.de>
10944
10945         PR middle-end/100464
10946         PR c++/100468
10947         * gimple-fold.c (canonicalize_constructor_val): Do not set
10948         TREE_ADDRESSABLE.
10949
10950 2021-05-10  Richard Biener  <rguenther@suse.de>
10951
10952         PR tree-optimization/100434
10953         * tree-ssa-dse.c (initialize_ao_ref_for_dse): Handle
10954         call LHS.
10955         (dse_optimize_stmt): Handle call LHS by dropping the
10956         LHS or the whole call if it doesn't have other
10957         side-effects.
10958         (pass_dse::execute): Adjust.
10959
10960 2021-05-10  Martin Liska  <mliska@suse.cz>
10961
10962         * Makefile.in: Add missing genversion rule.
10963
10964 2021-05-10  Alex Coplan  <alex.coplan@arm.com>
10965
10966         PR target/99960
10967         * config/arm/mve.md (*mve_mov<mode>): Simplify output code. Use
10968         vldrw.u32 and vstrw.32 for V2D[IF]mode loads and stores.
10969
10970 2021-05-10  Martin Liska  <mliska@suse.cz>
10971
10972         * builtins.c (is_builtin_name): Use startswith
10973         function instead of strncmp.
10974         * collect2.c (main): Likewise.
10975         (has_lto_section): Likewise.
10976         (scan_libraries): Likewise.
10977         * coverage.c (coverage_checksum_string): Likewise.
10978         (coverage_init): Likewise.
10979         * dwarf2out.c (is_cxx): Likewise.
10980         (gen_compile_unit_die): Likewise.
10981         * gcc-ar.c (main): Likewise.
10982         * gcc.c (init_spec): Likewise.
10983         (read_specs): Likewise.
10984         (execute): Likewise.
10985         (check_live_switch): Likewise.
10986         * genattrtab.c (write_attr_case): Likewise.
10987         (IS_ATTR_GROUP): Likewise.
10988         * gencfn-macros.c (main): Likewise.
10989         * gengtype.c (type_for_name): Likewise.
10990         (gen_rtx_next): Likewise.
10991         (get_file_langdir): Likewise.
10992         (write_local): Likewise.
10993         * genmatch.c (get_operator): Likewise.
10994         (get_operand_type): Likewise.
10995         (expr::gen_transform): Likewise.
10996         * genoutput.c (validate_optab_operands): Likewise.
10997         * incpath.c (add_sysroot_to_chain): Likewise.
10998         * langhooks.c (lang_GNU_C): Likewise.
10999         (lang_GNU_CXX): Likewise.
11000         (lang_GNU_Fortran): Likewise.
11001         (lang_GNU_OBJC): Likewise.
11002         * lto-wrapper.c (run_gcc): Likewise.
11003         * omp-general.c (omp_max_simt_vf): Likewise.
11004         * omp-low.c (omp_runtime_api_call): Likewise.
11005         * opts-common.c (parse_options_from_collect_gcc_options): Likewise.
11006         * read-rtl-function.c (function_reader::read_rtx_operand_r): Likewise.
11007         * real.c (real_from_string): Likewise.
11008         * selftest.c (assert_str_startswith): Likewise.
11009         * timevar.c (timer::validate_phases): Likewise.
11010         * tree.c (get_file_function_name): Likewise.
11011         * ubsan.c (ubsan_use_new_style_p): Likewise.
11012         * varasm.c (default_function_rodata_section): Likewise.
11013         (incorporeal_function_p): Likewise.
11014         (default_section_type_flags): Likewise.
11015         * system.h (startswith): Define startswith.
11016
11017 2021-05-10  Martin Liska  <mliska@suse.cz>
11018
11019         * bitmap.h (class auto_bitmap): Remove
11020         __cplusplus >= 201103.
11021         * config/aarch64/aarch64.c: Likewise.
11022         * gimple-ssa-store-merging.c (store_immediate_info::store_immediate_info):
11023         Likewise.
11024         * sbitmap.h: Likewise.
11025
11026 2021-05-10  Martin Liska  <mliska@suse.cz>
11027
11028         * Makefile.in: Rename gcov-iov to genversion and depend
11029         on version.h (instead of gcov-iov.h).
11030         * gcov-io.h: Include version.h instread of gcov-iov.h.
11031         * gengtype-state.c (read_state_version): Likewise.
11032         * gcov-iov.c: Moved to...
11033         * genversion.c: ...here.
11034         * lto-streamer.h (LTO_major_version): Define it with
11035         GCC_major_version.
11036         * version.c: Removed.
11037         * version.h: Removed.
11038
11039 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11040
11041         * config/arc/arc.md (UNSPEC_ARC_DMPYWH): Define.
11042         * config/arc/simdext.md (VCT): Add predicates for iterator
11043         elements.
11044         (EMUVEC): Define.
11045         (voptab): Likewise.
11046         (vec_widen_<V_US>mult_hi_v4hi): Change pattern predicate.
11047         (<voptab>v2si3): New patterns.
11048         (neg): Likewise.
11049         (reduc_plus_scal_v4hi): Likewise.
11050         (reduc_plus_scal_v2si): Likewise.
11051         (vec_duplicatev2si): Likewise.
11052         (vec_duplicatev4hi): Likewise.
11053
11054 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11055
11056         * config/arc/simdext.md: Format and cleanup file.
11057
11058 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11059
11060         * config/arc/simdext.md (movmisalignv2hi): Allow misaligned access
11061         only when munaligned-access option is on.
11062         (movmisalign<mode>): Likewise.
11063
11064 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11065
11066         * common/config/arc/arc-common.c (arc_handle_option): Remove dot
11067         from string.
11068         * config/arc/arc.c (arc_reorg): Remove underscore from string.
11069
11070 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11071
11072         * config/arc/arc.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11073         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
11074         * config/arc/arc.md (clrsbsi2): Cleanup pattern.
11075         (norm_f): Likewise.
11076         (ffs): Likewise.
11077         (ffs_f): Likewise.
11078         (clzsi2): Use fls instruction when available.
11079         (arc_clzsi2): Likewise.
11080
11081 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11082
11083         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Add r26 and r27.
11084
11085 2021-05-10  Claudiu Zissulescu  <claziss@synopsys.com>
11086
11087         * doc/extend.texi (__builtin_arc_sr): Swap arguments.
11088
11089 2021-05-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11090
11091         PR middle-end/100467
11092         * toplev.c (compile_file): Call insn_locations_init before
11093         targetm.asm_out.code_end.
11094
11095 2021-05-07  Andrew Stubbs  <ams@codesourcery.com>
11096
11097         Revert:
11098         2021-05-07  Andrew Stubbs  <ams@codesourcery.com>
11099
11100         * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
11101
11102 2021-05-07  Jakub Jelinek  <jakub@redhat.com>
11103             Andrew Stubbs  <amd@codesourcery.com>
11104
11105         PR target/100418
11106         * builtins.c (try_store_by_multiple_pieces): Use force_operand for
11107         emit_move_insn operands.
11108
11109 2021-05-07  Eric Botcazou  <ebotcazou@adacore.com>
11110
11111         * cfgexpand.c (expand_gimple_basic_block): Do not inherit a current
11112         location for the outgoing edges of an empty block.
11113         * dwarf2out.c (add_subscript_info): Retrieve the bounds and index
11114         type by means of the get_array_descr_info langhook, if it is set and
11115         returns true.  Remove obsolete code dealing with unnamed subtypes.
11116
11117 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11118
11119         * gimple-range-cache.cc (ssa_block_ranges): Virtualize.
11120         (sbr_vector): Renamed from ssa_block_cache.
11121         (sbr_vector::sbr_vector): Allocate from obstack abd initialize.
11122         (ssa_block_ranges::~ssa_block_ranges): Remove.
11123         (sbr_vector::set_bb_range): Use varying and undefined cached values.
11124         (ssa_block_ranges::set_bb_varying): Remove.
11125         (sbr_vector::get_bb_range): Adjust assert.
11126         (sbr_vector::bb_range_p): Adjust assert.
11127         (~block_range_cache): No freeing loop required.
11128         (block_range_cache::get_block_ranges): Remove.
11129         (block_range_cache::set_bb_range): Inline get_block_ranges.
11130         (block_range_cache::set_bb_varying): Remove.
11131         * gimple-range-cache.h (set_bb_varying): Remove prototype.
11132         * value-range.h (irange_allocator::get_memory): New.
11133
11134 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11135
11136         * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Search
11137         dominator tree is available and requested.
11138         (ranger_cache::ssa_range_in_bb): Don't search dom tree here.
11139         (ranger_cache::fill_block_cache): Don't search dom tree here either.
11140         * gimple-range-cache.h (non_null_deref_p): Add dom_search param.
11141
11142 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11143
11144         * gimple-range.cc (gimple_ranger::range_on_exit): Handle block with
11145         only PHI nodes better.
11146
11147 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11148
11149         * gimple-range-edge.h (gimple_outgoing_range): Rename from
11150         outgoing_range.
11151         (gcond_edge_range): Export prototype.
11152         * gimple-range-edge.cc (gcond_edge_range): New.
11153         (gimple_outgoing_range::edge_range_p): Use gcond_edge_range.
11154         * gimple-range-gori.h (gori_compute): Use gimple_outgoing_range.
11155
11156 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11157
11158         * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Compute
11159         default range into a temp and allocate only what is needed.
11160
11161 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11162
11163         * range-op.cc (operator_trunc_mod::wi_fold): x % 0 is UNDEFINED.
11164
11165 2021-05-07  Andrew MacLeod  <amacleod@redhat.com>
11166
11167         * gimple-range.h (gimple_range_global): Pick up parameter initial
11168         values, and use-before defined locals are UNDEFINED.
11169
11170 2021-05-07  Eric Botcazou  <ebotcazou@adacore.com>
11171
11172         * doc/extend.texi (scalar_storage_order): Mention effect on pointer
11173         and vector fields.
11174         * tree.h (reverse_storage_order_for_component_p): Return false if
11175         the type is a pointer.
11176
11177 2021-05-07  Andrew Stubbs  <ams@codesourcery.com>
11178
11179         * config/gcn/gcn.c (gcn_scalar_mode_supported_p): Disable TImode.
11180
11181 2021-05-07  Uroš Bizjak  <ubizjak@gmail.com>
11182
11183         PR target/98218
11184         * config/i386/i386-expand.c (ix86_expand_sse_movcc):
11185         Handle V8QI, V4HI and V2SI modes.
11186         * config/i386/mmx.md (mmx_pblendvb): New insn pattern.
11187         * config/i386/sse.md (unspec): Move UNSPEC_BLENDV ...
11188         * config/i386/i386.md (unspec): ... here.
11189
11190 2021-05-07  Tobias Burnus  <tobias@codesourcery.com>
11191             Tom de Vries  <tdevries@suse.de>
11192
11193         * omp-low.c (lower_rec_simd_input_clauses): Set max_vf = 1 if
11194         a truth_value_p reduction variable is nonintegral.
11195
11196 2021-05-07  Uroš Bizjak  <ubizjak@gmail.com>
11197
11198         PR target/100445
11199         * config/i386/i386-expand.c (ix86_use_mask_cmp_p):
11200         Return false for mode sizes < 16.
11201
11202 2021-05-07  Jakub Jelinek  <jakub@redhat.com>
11203
11204         PR target/100445
11205         * config/i386/mmx.md (*xop_pcmov_<mode>): New define_insn.
11206
11207 2021-05-06  Martin Jambor  <mjambor@suse.cz>
11208
11209         * ipa-sra.c (ipa_sra_dump_all_summaries): Dump edge summaries even
11210         when there is no function summary.
11211         (ipa_sra_summarize_function): produce edge summaries even when
11212         bailing out early.
11213
11214 2021-05-06  Tom Tromey  <tom@tromey.com>
11215
11216         * godump.c (string_hash_eq): Remove.
11217         (go_finish): Use htab_eq_string.
11218
11219 2021-05-06  Tom Tromey  <tom@tromey.com>
11220
11221         * gengtype-state.c (read_state): Use htab_eq_string.
11222         (string_eq): Remove.
11223
11224 2021-05-06  Tom Tromey  <tom@tromey.com>
11225
11226         * gensupport.c (htab_eq_string): Remove.
11227
11228 2021-05-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11229
11230         PR ipa/97937
11231         * debug.h (gcc_debug_hooks): Add set_ignored_loc function pointer.
11232         * dwarf2out.h (dw_fde_node::ignored_debug): New data item.
11233         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Add dummy
11234         set_ignored_loc callbacks.
11235         * debug.c (do_nothing_debug_hooks): Likewise.
11236         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
11237         * dwarf2out.c (text_section_used, cold_text_section_used): Remove.
11238         (in_text_section_p, last_text_label, last_cold_label,
11239         switch_text_ranges, switch_cold_ranges): New data items.
11240         (dwarf2out_note_section_used): Remove.
11241         (dwarf2out_begin_prologue): Set fde->ignored_debug and
11242         in_text_section_p.
11243         (mark_ignored_debug_section): New helper function.
11244         (dwarf2out_end_epilogue, dwarf2out_switch_text_section): Call
11245         mark_ignored_debug_section.
11246         (dwarf2_debug_hooks): Use dwarf2out_set_ignored_loc.
11247         (dwarf2_lineno_debug_hooks): Use dummy for set_ignored_loc.
11248         (size_of_aranges): Adjust formula for multi-part text ranges size.
11249         (output_aranges): Output multi-part text ranges.
11250         (dwarf2out_set_ignored_loc): New callback function.
11251         (dwarf2out_finish): Output multi-part text ranges.
11252         (dwarf2out_c_finalize): Clear new data items.
11253         * final.c (final_start_function_1): Call set_ignored_loc callback.
11254         (final_scan_insn_1): Likewise.
11255         * ggc-page.c (gt_ggc_mx): New helper function.
11256         * stringpool.c (gt_pch_nx): Likewise.
11257
11258 2021-05-06  Richard Biener  <rguenther@suse.de>
11259
11260         * timevar.def (TV_TREE_INSERT_PHI_NODES): Remove.
11261         (TV_TREE_SSA_REWRITE_BLOCKS): Likewise.
11262         (TV_TREE_INTO_SSA): New.
11263         * tree-into-ssa.c (insert_phi_nodes): Do not account separately.
11264         (rewrite_blocks): Likewise.
11265         (pass_data_build_ssa): Account to TV_TREE_INTO_SSA.
11266
11267 2021-05-06  Jakub Jelinek  <jakub@redhat.com>
11268
11269         * tree-ssa-phiopt.c (value_replacement, minmax_replacement,
11270         abs_replacement, xor_replacement,
11271         cond_removal_in_popcount_clz_ctz_pattern,
11272         replace_phi_edge_with_variable): Change type of phi argument from
11273         gimple * to gphi *.
11274
11275 2021-05-06  Richard Biener  <rguenther@suse.de>
11276
11277         * tree-ssa-loop-split.c (split_loop): Delay updating SSA form.
11278         Output an opt-info message.
11279         (do_split_loop_on_cond): Likewise.
11280         (tree_ssa_split_loops): Update SSA form here.
11281
11282 2021-05-06  Richard Biener  <rguenther@suse.de>
11283
11284         * tree-inline.c (tree_function_versioning): Fix DECL_BY_REFERENCE
11285         return variable removal.
11286
11287 2021-05-06  Marius Hillenbrand  <mhillen@linux.ibm.com>
11288
11289         * config/s390/s390-builtins.def (O_M5, O1_M5, ...): Remove unused macros.
11290         (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
11291         (s390_vec_permi_dbl, s390_vpdi): Use the O3_U2 type for the immediate
11292         operand.
11293         * config/s390/s390.c (s390_const_operand_ok): Remove unused
11294         values.
11295
11296 2021-05-06  Jakub Jelinek  <jakub@redhat.com>
11297
11298         PR tree-optimization/94589
11299         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
11300         spaceship_replacement.
11301         (cond_only_block_p, spaceship_replacement): New functions.
11302
11303 2021-05-06  Richard Biener  <rguenther@suse.de>
11304
11305         PR ipa/100373
11306         * tree-emutls.c (gen_emutls_addr): Pass in whether we're
11307         dealing with a debug use and only query existing addresses
11308         if so.
11309         (lower_emutls_1): Avoid splitting out addresses for debug
11310         stmts, reset the debug stmt when we fail to find existing
11311         lowered addresses.
11312         (lower_emutls_phi_arg): Set wi.stmt.
11313
11314 2021-05-06  Christoph Muellner  <cmuellner@gcc.gnu.org>
11315
11316         PR target/100266
11317         * config/riscv/riscv.c (riscv_block_move_loop): Use cbranch helper.
11318         * config/riscv/riscv.md (cbranch<mode>4): Generate helpers.
11319         (stack_protect_test): Use cbranch helper.
11320
11321 2021-05-05  Eric Botcazou  <ebotcazou@adacore.com>
11322
11323         PR target/100402
11324         * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
11325         always return the establisher frame for __builtin_frame_address (0).
11326
11327 2021-05-05  Ivan Sorokin  <vanyacpp@gmail.com>
11328
11329         PR target/91400
11330         * config/i386/i386-builtins.c (ix86_cpu_model_type_node): New.
11331         (ix86_cpu_model_var): Likewise.
11332         (ix86_cpu_features2_type_node): Likewise.
11333         (ix86_cpu_features2_var): Likewise.
11334         (fold_builtin_cpu): Cache __cpu_model and __cpu_features2 with
11335         their types.
11336
11337 2021-05-05  Martin Sebor  <msebor@redhat.com>
11338
11339         * passes.def (pass_warn_printf): Run after SSA.
11340
11341 2021-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11342
11343         * config/arm/neon.md (neon_vtst_combine<mode>): New pattern.
11344         * config/arm/predicates.md (minus_one_operand): New predicate.
11345
11346 2021-05-05  Jeff Law  <jlaw@tachyum.com>
11347
11348         * config/avr/avr.md: Remove references to CC_STATUS_INIT.
11349
11350 2021-05-05  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
11351
11352         PR rtl-optimization/100263
11353         * postreload.c (move2add_valid_value_p): Ensure register can
11354         change mode.
11355
11356 2021-05-05  Eric Botcazou  <ebotcazou@adacore.com>
11357
11358         PR rtl-optimization/100411
11359         * cfgcleanup.c (try_crossjump_to_edge): Also skip end of prologue
11360         and beginning of function markers.
11361
11362 2021-05-05  Jeff Law  <jlaw@tachyum.com>
11363
11364         * config/cr16/cr16.h (NOTICE_UPDATE_CC): Remove.
11365         * config/cr16/cr16.c (notice_update_cc): Remove.
11366         * config/cr16/cr16-protos.h (notice_update_cc): Remove.
11367
11368 2021-05-05  Uroš Bizjak  <ubizjak@gmail.com>
11369
11370         PR target/98218
11371         * config/i386/i386-expand.c (ix86_expand_int_sse_cmp):
11372         Handle V8QI, V4HI and V2SI modes.
11373         * config/i386/i386.c (ix86_build_const_vector): Handle V2SImode.
11374         (ix86_build_signbit_mask): Ditto.
11375         * config/i386/mmx.md (MMXMODE14): New mode iterator.
11376         (<smaxmin:code><MMXMODE14:mode>3): New expander.
11377         (*mmx_<smaxmin:code><MMXMODE14:mode>3): New insn pattern.
11378         (<umaxmin:code><MMXMODE24:mode>3): New expander.
11379         (*mmx_<umaxmin:code><MMXMODE24:mode>3): New insn pattern.
11380         (vec_cmp<MMXMODEI:mode><MMXMODEI:mode>): New expander.
11381         (vec_cmpu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11382         (vcond<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11383         (vcondu<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11384         (vcond_mask_<MMXMODEI:mode><MMXMODEI:mode>): Ditto.
11385
11386 2021-05-05  Eric Botcazou  <ebotcazou@adacore.com>
11387
11388         * dwarf2out.c (loc_list_from_tree_1) <DECL>: During early DWARF, do
11389         not expand the VALUE_EXPR of variables put in the non-local frame.
11390         * gimplify.c (gimplify_type_sizes) <RECORD_TYPE>: If the type is not
11391         to be ignored for debug info, ensure its variable offsets are not.
11392
11393 2021-05-05  Richard Biener  <rguenther@suse.de>
11394
11395         PR tree-optimization/79333
11396         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
11397         Fold stmt following SSA edges.
11398
11399 2021-05-05  Richard Biener  <rguenther@suse.de>
11400
11401         PR middle-end/100394
11402         * calls.c (expand_call): Preserve possibly throwing calls.
11403         * cfgexpand.c (expand_call_stmt): When a call can throw signal
11404         RTL expansion there are side-effects.
11405         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Simplify,
11406         mark all possibly throwing stmts necessary unless we can elide
11407         dead EH.
11408         * tree-ssa-dse.c (pass_dse::execute): Preserve exceptions unless
11409         -fdelete-dead-exceptions.
11410         * tree.h (DECL_PURE_P): Add note about exceptions.
11411
11412 2021-05-05  Alexandre Oliva  <oliva@adacore.com>
11413
11414         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Make it
11415         unconditional.
11416
11417 2021-05-04  David Edelsohn  <dje.gcc@gmail.com>
11418
11419         * config/rs6000/rs6000-call.c (rs6000_output_mi_thunk): Use
11420         get_fnname_from_decl for name of thunk.
11421         * config/rs6000/rs6000.c (rs6000_declare_alias): Use assemble_name
11422         and ASM_OUTPUT_LABEL.
11423         (rs6000_xcoff_declare_function_name): Use assemble_name and
11424         ASM_OUTPUT_LABEL.
11425         (rs6000_xcoff_declare_object_name): Use ASM_OUTPUT_LABEL.
11426         (rs6000_xcoff_encode_section_info): Don't add mapping class
11427         for aliases.  Always add [DS] mapping class to primary
11428         FUNCTION_DECL.
11429         (rs6000_asm_weaken_decl): Don't explicitly add [DS].
11430
11431 2021-05-04  Martin Sebor  <msebor@redhat.com>
11432
11433         PR middle-end/100307
11434         * builtins.c (compute_objsize_r): Clear base0 for pointers.
11435
11436 2021-05-04  Jeff Law  <jlaw@tachyum.com>
11437
11438         * config/bfin/bfin.h (NOTICE_UPDATE_CC): Remove.
11439
11440 2021-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
11441
11442         * caller-save.c: Remove CC0.
11443         * cfgcleanup.c: Remove CC0.
11444         * cfgrtl.c: Remove CC0.
11445         * combine.c: Remove CC0.
11446         * compare-elim.c: Remove CC0.
11447         * conditions.h: Remove CC0.
11448         * config/h8300/h8300.h: Remove CC0.
11449         * config/h8300/h8300-protos.h: Remove CC0.
11450         * config/h8300/peepholes.md: Remove CC0.
11451         * config/i386/x86-tune-sched.c: Remove CC0.
11452         * config/m68k/m68k.c: Remove CC0.
11453         * config/rl78/rl78.c: Remove CC0.
11454         * config/sparc/sparc.c: Remove CC0.
11455         * config/xtensa/xtensa.c: Remove CC0.
11456         (gen_conditional_move):  Use pc_rtx instead of cc0_rtx in a piece of
11457         RTL where that is used as a placeholder only.
11458         * cprop.c: Remove CC0.
11459         * cse.c: Remove CC0.
11460         * cselib.c: Remove CC0.
11461         * df-problems.c: Remove CC0.
11462         * df-scan.c: Remove CC0.
11463         * doc/md.texi: Remove CC0.  Adjust an example.
11464         * doc/rtl.texi: Remove CC0.  Adjust an example.
11465         * doc/tm.texi: Regenerate.
11466         * doc/tm.texi.in: Remove CC0.
11467         * emit-rtl.c: Remove CC0.
11468         * final.c: Remove CC0.
11469         * fwprop.c: Remove CC0.
11470         * gcse-common.c: Remove CC0.
11471         * gcse.c: Remove CC0.
11472         * genattrtab.c: Remove CC0.
11473         * genconfig.c: Remove CC0.
11474         * genemit.c: Remove CC0.
11475         * genextract.c: Remove CC0.
11476         * gengenrtl.c: Remove CC0.
11477         * genrecog.c: Remove CC0.
11478         * haifa-sched.c: Remove CC0.
11479         * ifcvt.c: Remove CC0.
11480         * ira-costs.c: Remove CC0.
11481         * ira.c: Remove CC0.
11482         * jump.c: Remove CC0.
11483         * loop-invariant.c: Remove CC0.
11484         * lra-constraints.c: Remove CC0.
11485         * lra-eliminations.c: Remove CC0.
11486         * optabs.c: Remove CC0.
11487         * postreload-gcse.c: Remove CC0.
11488         * postreload.c: Remove CC0.
11489         * print-rtl.c: Remove CC0.
11490         * read-rtl-function.c: Remove CC0.
11491         * reg-notes.def: Remove CC0.
11492         * reg-stack.c: Remove CC0.
11493         * reginfo.c: Remove CC0.
11494         * regrename.c: Remove CC0.
11495         * reload.c: Remove CC0.
11496         * reload1.c: Remove CC0.
11497         * reorg.c: Remove CC0.
11498         * resource.c: Remove CC0.
11499         * rtl.c: Remove CC0.
11500         * rtl.def: Remove CC0.
11501         * rtl.h: Remove CC0.
11502         * rtlanal.c: Remove CC0.
11503         * sched-deps.c: Remove CC0.
11504         * sched-rgn.c: Remove CC0.
11505         * shrink-wrap.c: Remove CC0.
11506         * simplify-rtx.c: Remove CC0.
11507         * system.h: Remove CC0.  Poison NOTICE_UPDATE_CC, CC_STATUS_MDEP_INIT,
11508         CC_STATUS_MDEP, and CC_STATUS.
11509         * target.def: Remove CC0.
11510         * valtrack.c: Remove CC0.
11511         * var-tracking.c: Remove CC0.
11512
11513 2021-05-04  Richard Biener  <rguenther@suse.de>
11514
11515         PR tree-optimization/100414
11516         * tree-ssa-phiopt.c (get_non_trapping): Do not compute dominance
11517         info here.
11518         (tree_ssa_phiopt_worker): But unconditionally here.
11519
11520 2021-05-04  Tobias Burnus  <tobias@codesourcery.com>
11521
11522         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
11523         && and || with floating-point and complex arguments.
11524
11525 2021-05-04  Eric Botcazou  <ebotcazou@adacore.com>
11526
11527         * tree-inline.c (insert_debug_decl_map): Delete.
11528         (copy_debug_stmt): Minor tweak.
11529         (setup_one_parameter): Do not use a variable if the value is either
11530         a read-only DECL or a non-addressable local variable in the caller.
11531         In this case, insert the debug-only variable in the map manually.
11532         (expand_call_inline): Do not generate a CLOBBER for these values.
11533         * tree-inline.h (debug_map): Minor tweak.
11534
11535 2021-05-04  Eric Botcazou  <ebotcazou@adacore.com>
11536
11537         * builtins.c (builtin_with_linkage_p): Return true for stp[n]cpy.
11538         * symtab.c (symtab_node::output_to_lto_symbol_table_p): Tidy up.
11539
11540 2021-05-04  Richard Biener  <rguenther@suse.de>
11541
11542         PR tree-optimization/100329
11543         * tree-ssa-reassoc.c (can_reassociate_p): Do not reassociate
11544         asm goto defs.
11545         (insert_stmt_after): Assert we're not running into asm goto.
11546
11547 2021-05-04  Richard Biener  <rguenther@suse.de>
11548
11549         PR tree-optimization/100398
11550         * tree-ssa-dse.c (pass_dse::execute): Preserve control
11551         altering stmts.
11552
11553 2021-05-04  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11554
11555         * builtins.c (try_store_by_multiple_pieces): Fix constfun's prototype.
11556
11557 2021-05-04  Alexandre Oliva  <oliva@adacore.com>
11558
11559         * builtins.c (try_store_by_multiple_pieces): New.
11560         (expand_builtin_memset_args): Use it.  If target_char_cast
11561         fails, proceed as for non-constant val.  Pass len's ctz to...
11562         * expr.c (clear_storage_hints): ... this.  Try store by
11563         multiple pieces after setmem.
11564         (clear_storage): Adjust.
11565         * expr.h (clear_storage_hints): Likewise.
11566         (try_store_by_multiple_pieces): Declare.
11567         * passes.def: Replace the last copy_prop with ccp.
11568
11569 2021-05-03  Tom de Vries  <tdevries@suse.de>
11570
11571         PR target/100321
11572         * omp-low.c (lower_rec_input_clauses): Disable SIMT for user-defined
11573         reduction.
11574
11575 2021-05-03  Richard Biener  <rguenther@suse.de>
11576
11577         * tree-ssa-dse.c (dse_classify_store): Track two PHI defs.
11578
11579 2021-05-03  Richard Biener  <rguenther@suse.de>
11580
11581         * tree-ssa-dse.c: Do not include domwalk.h but cfganal.h.
11582         (dse_dom_walker): Remove.
11583         (dse_dom_walker::dse_optimize_stmt): Rename...
11584         (dse_optimize_stmt): ... to this, pass in live_bytes sbitmap.
11585         (dse_dom_walker::before_dom_children): Inline ...
11586         (pass_dse::execute): ... here.  Perform a reverse program
11587         order walk.
11588
11589 2021-05-03  H.J. Lu  <hjl.tools@gmail.com>
11590
11591         PR bootstrap/99703
11592         * configure: Regenerated.
11593
11594 2021-05-03  Ilya Leoshkevich  <iii@linux.ibm.com>
11595
11596         PR target/100217
11597         * config/s390/s390.c (s390_hard_fp_reg_p): New function.
11598         (s390_md_asm_adjust): Handle hard registers.
11599
11600 2021-05-03  Jakub Jelinek  <jakub@redhat.com>
11601
11602         PR tree-optimization/100382
11603         * tree-ssa-dse.c: Include tree-eh.h.
11604         (dse_dom_walker::before_dom_children): Don't remove stmts if
11605         stmt_unremovable_because_of_non_call_eh_p is true.
11606
11607 2021-05-02  David Edelsohn  <dje.gcc@gmail.com>
11608
11609         * varasm.c (compute_reloc_for_var): Split out from...
11610         (get_variable_section): Use it.
11611         * output.h (compute_reloc_for_var): Declare.
11612         * config/rs6000/rs6000-protos.h
11613         (rs6000_xcoff_asm_output_aligned_decl_common): Change alignment to
11614         unsigned int.
11615         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address_aix):
11616         Don't append storage mapping class to symbol.
11617         (rs6000_xcoff_asm_named_section): Add BS and UL mapping classes.
11618         Don't convert TLS BSS to common.
11619         (rs6000_xcoff_unique_section): Don't fall back to select_secton.
11620         (rs6000_xcoff_section_type_flags): Add SECTION_BSS if DECL is
11621         bss_initializer.
11622         (rs6000_xcoff_asm_globalize_decl_name): Don't strip storage
11623         mapping class.
11624         (rs6000_xcoff_asm_output_aligned_decl_common): Align is unsigned int.
11625         If align is 0 from TLS class, use the same rules as varasm.c
11626         If not common, switch to BSS section manually.
11627         If common, emit appropriate comm or lcomm directive.
11628         (rs6000_xcoff_encode_section_info): Add logic to append all
11629         storage mapping classes.
11630         (rs6000_asm_weaken_decl): Adjust for qualname symbols.
11631         * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
11632         rs6000_xcoff_asm_output_aligned_decl_common.
11633         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
11634         rs6000_xcoff_asm_output_aligned_decl_common.
11635         (ASM_OUTPUT_TLS_COMMON): Use
11636         rs6000_xcoff_asm_output_aligned_decl_common.
11637
11638 2021-05-02  Jakub Jelinek  <jakub@redhat.com>
11639
11640         PR target/100375
11641         * config/nvptx/nvptx.c (nvptx_sese_pseudo): Use nullptr instead of 0
11642         as first argument of pseudo_node_t constructors.
11643
11644 2021-05-02  Jakub Jelinek  <jakub@redhat.com>
11645
11646         PR target/100336
11647         * config/i386/t-i386 (TM_H): Add $(srcdir)/config/i386/i386-isa.def.
11648
11649 2021-05-01  Aldy Hernandez  <aldyh@redhat.com>
11650
11651         * value-range.cc (DEFINE_INT_RANGE_GC_STUBS): Remove.
11652         (gt_pch_nx (int_range<1> *&)): New.
11653         (gt_ggc_mx (int_range<1> *&)): New.
11654         * value-range.h (class irange): Add GTY support for
11655         the base class.
11656
11657 2021-05-01  Geng Qi  <gengqi@linux.alibaba.com>
11658
11659         * doc/options.texi (Negative): Change either or to both and.
11660
11661 2021-04-30  Jonathan Wright  <jonathan.wright@arm.com>
11662
11663         * config/aarch64/aarch64-simd-builtins.def: Add
11664         float_ml[as][q]_laneq builtin generator macros.
11665         * config/aarch64/aarch64-simd.md (mul_laneq<mode>3): Define.
11666         (aarch64_float_mla_laneq<mode>): Define.
11667         (aarch64_float_mls_laneq<mode>): Define.
11668         * config/aarch64/arm_neon.h (vmla_laneq_f32): Use RTL builtin
11669         instead of GCC vector extensions.
11670         (vmlaq_laneq_f32): Likewise.
11671         (vmls_laneq_f32): Likewise.
11672         (vmlsq_laneq_f32): Likewise.
11673
11674 2021-04-30  Jonathan Wright  <jonathan.wright@arm.com>
11675
11676         * config/aarch64/aarch64-simd-builtins.def: Add
11677         float_ml[as]_lane builtin generator macros.
11678         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt<mode>):
11679         Rename to...
11680         (mul_lane<mode>3): This, and re-order arguments.
11681         (aarch64_float_mla_lane<mode>): Define.
11682         (aarch64_float_mls_lane<mode>): Define.
11683         * config/aarch64/arm_neon.h (vmla_lane_f32): Use RTL builtin
11684         instead of GCC vector extensions.
11685         (vmlaq_lane_f32): Likewise.
11686         (vmls_lane_f32): Likewise.
11687         (vmlsq_lane_f32): Likewise.
11688
11689 2021-04-30  Jonathan Wright  <jonathan.wright@arm.com>
11690
11691         * config/aarch64/aarch64-simd-builtins.def: Add float_ml[as]
11692         builtin generator macros.
11693         * config/aarch64/aarch64-simd.md (aarch64_float_mla<mode>):
11694         Define.
11695         (aarch64_float_mls<mode>): Define.
11696         * config/aarch64/arm_neon.h (vmla_f32): Use RTL builtin
11697         instead of relying on GCC vector extensions.
11698         (vmla_f64): Likewise.
11699         (vmlaq_f32): Likewise.
11700         (vmlaq_f64): Likewise.
11701         (vmls_f32): Likewise.
11702         (vmls_f64): Likewise.
11703         (vmlsq_f32): Likewise.
11704         (vmlsq_f64): Likewise.
11705         * config/aarch64/iterators.md: Define VDQF_DF mode iterator.
11706
11707 2021-04-30  Jonathan Wright  <jonathan.wright@arm.com>
11708
11709         * config/aarch64/aarch64-simd-builtins.def: Add
11710         float_ml[as]_n_builtin generator macros.
11711         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_from_dup<mode>):
11712         Rename to...
11713         (mul_n<mode>3): This, and re-order arguments.
11714         (aarch64_float_mla_n<mode>): Define.
11715         (aarch64_float_mls_n<mode>): Define.
11716         * config/aarch64/arm_neon.h (vmla_n_f32): Use RTL builtin
11717         instead of inline asm.
11718         (vmlaq_n_f32): Likewise.
11719         (vmls_n_f32): Likewise.
11720         (vmlsq_n_f32): Likewise.
11721
11722 2021-04-30  Jonathan Wright  <joanthan.wright@arm.com>
11723
11724         * config/aarch64/aarch64-simd-builtins.def: Add pmull[2]
11725         builtin generator macros.
11726         * config/aarch64/aarch64-simd.md (aarch64_pmullv8qi): Define.
11727         (aarch64_pmull_hiv16qi_insn): Define.
11728         (aarch64_pmull_hiv16qi): Define.
11729         * config/aarch64/arm_neon.h (vmull_high_p8): Use RTL builtin
11730         instead of inline asm.
11731         (vmull_p8): Likewise.
11732
11733 2021-04-30  Senthil Kumar Selvaraj  <saaadhu@gcc.gnu.org>
11734
11735         * config/avr/avr.md: Adjust peepholes to match and
11736         generate parallels with clobber of REG_CC.
11737         (mov<mode>_insn): Rename to mov<mode>_insn_split.
11738         (*mov<mode>_insn): Rename to mov<mode>_insn.
11739
11740 2021-04-30  David Edelsohn  <dje.gcc@gmail.com>
11741
11742         * varasm.c (use_blocks_for_decl_p): Don't use section anchors
11743         for VAR_DECLs if -fdata-sections enabled.
11744
11745 2021-04-30  Michael Meissner  <meissner@linux.ibm.com>
11746
11747         PR bootstrap/100327
11748         * config/rs6000/rs6000.c
11749         (TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
11750         (rs6000_libgcc_floating_mode_supported_p): New target hook.
11751
11752 2021-04-30  Aldy Hernandez  <aldyh@redhat.com>
11753
11754         * tree-ssa-threadbackward.c (class thread_jumps): Split out code
11755         from here...
11756         (class back_threader_registry): ...to here...
11757         (class back_threader_profitability): ...and here...
11758         (thread_jumps::thread_through_all_blocks): Remove argument.
11759         (back_threader_registry::back_threader_registry): New.
11760         (back_threader_registry::~back_threader_registry): New.
11761         (back_threader_registry::thread_through_all_blocks): New.
11762         (thread_jumps::profitable_jump_thread_path): Move from here...
11763         (back_threader_profitability::profitable_path_p): ...to here.
11764         (thread_jumps::find_taken_edge): New.
11765         (thread_jumps::convert_and_register_current_path): Move...
11766         (back_threader_registry::register_path): ...to here.
11767         (thread_jumps::register_jump_thread_path_if_profitable): Move...
11768         (thread_jumps::maybe_register_path): ...to here.
11769         (thread_jumps::handle_phi): Call find_taken_edge and
11770         maybe_register_path.
11771         (thread_jumps::handle_assignment): Same.
11772         (thread_jumps::fsm_find_control_statement_thread_paths): Remove
11773         tree argument to handle_phi and handle_assignment.
11774         (thread_jumps::find_jump_threads_backwards): Set m_name.  Remove
11775         set of m_speed_p and m_max_threaded_paths.
11776         (pass_thread_jumps::execute): Remove second argument from
11777         find_jump_threads_backwards.
11778         (pass_early_thread_jumps::execute): Same.
11779
11780 2021-04-30  Aldy Hernandez  <aldyh@redhat.com>
11781
11782         * tree-ssa-dom.c (class dom_jump_threader_simplifier): New.
11783         (class dom_opt_dom_walker): Initialize some class variables.
11784         (pass_dominator::execute): Pass evrp_range_analyzer and
11785         dom_jump_threader_simplifier to dom_opt_dom_walker.
11786         Adjust for some functions moving into classes.
11787         (simplify_stmt_for_jump_threading): Adjust and move to...
11788         (jump_threader_simplifier::simplify): ...here.
11789         (dom_opt_dom_walker::before_dom_children): Adjust for
11790         m_evrp_range_analyzer.
11791         (dom_opt_dom_walker::after_dom_children): Remove x_vr_values hack.
11792         (test_for_singularity): Place in dom_opt_dom_walker class.
11793         (dom_opt_dom_walker::optimize_stmt): The argument
11794         evrp_range_analyzer is now a class field.
11795         * tree-ssa-threadbackward.c (class thread_jumps): Add m_registry.
11796         (thread_jumps::thread_through_all_blocks): New.
11797         (thread_jumps::convert_and_register_current_path): Use m_registry.
11798         (pass_thread_jumps::execute): Adjust for thread_through_all_blocks
11799         being in the threader class.
11800         (pass_early_thread_jumps::execute): Same.
11801         * tree-ssa-threadedge.c (threadedge_initialize_values): Move...
11802         (jump_threader::jump_threader): ...here.
11803         (threadedge_finalize_values): Move...
11804         (jump_threader::~jump_threader): ...here.
11805         (jump_threader::remove_jump_threads_including): New.
11806         (jump_threader::thread_through_all_blocks): New.
11807         (record_temporary_equivalences_from_phis): Move...
11808         (jump_threader::record_temporary_equivalences_from_phis): ...here.
11809         (record_temporary_equivalences_from_stmts_at_dest): Move...
11810         (jump_threader::record_temporary_equivalences_from_stmts_at_dest):
11811         Here...
11812         (simplify_control_stmt_condition_1): Move to jump_threader class.
11813         (simplify_control_stmt_condition): Move...
11814         (jump_threader::simplify_control_stmt_condition): ...here.
11815         (thread_around_empty_blocks): Move...
11816         (jump_threader::thread_around_empty_blocks): ...here.
11817         (thread_through_normal_block): Move...
11818         (jump_threader::thread_through_normal_block): ...here.
11819         (thread_across_edge): Move...
11820         (jump_threader::thread_across_edge): ...here.
11821         (thread_outgoing_edges): Move...
11822         (jump_threader::thread_outgoing_edges): ...here.
11823         * tree-ssa-threadedge.h: Move externally facing functings...
11824         (class jump_threader): ...here...
11825         (class jump_threader_simplifier): ...and here.
11826         * tree-ssa-threadupdate.c (struct redirection_data): Remove comment.
11827         (jump_thread_path_allocator::jump_thread_path_allocator): New.
11828         (jump_thread_path_allocator::~jump_thread_path_allocator): New.
11829         (jump_thread_path_allocator::allocate_thread_edge): New.
11830         (jump_thread_path_allocator::allocate_thread_path): New.
11831         (jump_thread_path_registry::jump_thread_path_registry): New.
11832         (jump_thread_path_registry::~jump_thread_path_registry): New.
11833         (jump_thread_path_registry::allocate_thread_edge): New.
11834         (jump_thread_path_registry::allocate_thread_path): New.
11835         (dump_jump_thread_path): Make extern.
11836         (debug (const vec<jump_thread_edge *> &path)): New.
11837         (struct removed_edges): Move to tree-ssa-threadupdate.h.
11838         (struct thread_stats_d): Remove.
11839         (remove_ctrl_stmt_and_useless_edges): Make static.
11840         (lookup_redirection_data): Move...
11841         (jump_thread_path_registry::lookup_redirection_data): ...here.
11842         (ssa_redirect_edges): Make static.
11843         (thread_block_1): Move...
11844         (jump_thread_path_registry::thread_block_1): ...here.
11845         (thread_block): Move...
11846         (jump_thread_path_registry::thread_block): ...here.
11847         (thread_through_loop_header):  Move...
11848         (jump_thread_path_registry::thread_through_loop_header): ...here.
11849         (mark_threaded_blocks): Move...
11850         (jump_thread_path_registry::mark_threaded_blocks): ...here.
11851         (debug_path): Move...
11852         (jump_thread_path_registry::debug_path): ...here.
11853         (debug_all_paths): Move...
11854         (jump_thread_path_registry::dump): ..here.
11855         (rewire_first_differing_edge): Move...
11856         (jump_thread_path_registry::rewire_first_differing_edge): ...here.
11857         (adjust_paths_after_duplication): Move...
11858         (jump_thread_path_registry::adjust_paths_after_duplication): ...here.
11859         (duplicate_thread_path): Move...
11860         (jump_thread_path_registry::duplicate_thread_path): ..here.
11861         (remove_jump_threads_including): Move...
11862         (jump_thread_path_registry::remove_jump_threads_including): ...here.
11863         (thread_through_all_blocks): Move to...
11864         (jump_thread_path_registry::thread_through_all_blocks): ...here.
11865         (delete_jump_thread_path): Remove.
11866         (register_jump_thread): Move...
11867         (jump_thread_path_registry::register_jump_thread): ...here.
11868         * tree-ssa-threadupdate.h: Move externally facing functions...
11869         (class jump_thread_path_allocator): ...here...
11870         (class jump_thread_path_registry): ...and here.
11871         (thread_through_all_blocks): Remove.
11872         (struct removed_edges): New.
11873         (register_jump_thread): Remove.
11874         (remove_jump_threads_including): Remove.
11875         (delete_jump_thread_path): Remove.
11876         (remove_ctrl_stmt_and_useless_edges): Remove.
11877         (free_dom_edge_info): New prototype.
11878         * tree-vrp.c: Remove x_vr_values hack.
11879         (class vrp_jump_threader_simplifier): New.
11880         (vrp_jump_threader_simplifier::simplify): New.
11881         (vrp_jump_threader::vrp_jump_threader): Adjust method signature.
11882         Remove m_dummy_cond.
11883         Instantiate m_simplifier and m_threader.
11884         (vrp_jump_threader::thread_through_all_blocks): New.
11885         (vrp_jump_threader::simplify_stmt): Remove.
11886         (vrp_jump_threader::after_dom_children): Do not set m_dummy_cond.
11887         Remove x_vr_values hack.
11888         (execute_vrp): Adjust for thread_through_all_blocks being in a
11889         class.
11890
11891 2021-04-30  Christophe Lyon  <christophe.lyon@linaro.org>
11892
11893         * genflags.c (gen_insn): Print failed expansion string.
11894
11895 2021-04-30  H.J. Lu  <hjl.tools@gmail.com>
11896
11897         * expr.c (alignment_for_piecewise_move): Call mode_for_size
11898         without limit to MAX_FIXED_MODE_SIZE.
11899
11900 2021-04-30  H.J. Lu  <hjl.tools@gmail.com>
11901
11902         PR middle-end/90773
11903         * builtins.c (builtin_memset_gen_str): Don't use return from
11904         simplify_gen_subreg.
11905
11906 2021-04-30  Uroš Bizjak  <ubizjak@gmail.com>
11907
11908         PR target/98060
11909         * config/i386/i386.md (*add<mode>3_carry_0r): New insn pattern.
11910         (*addsi3_carry_zext_0r): Ditto.
11911         (*sub<mode>3_carry_0): Ditto.
11912         (*subsi3_carry_zext_0r): Ditto.
11913         * config/i386/predicates.md (ix86_carry_flag_unset_operator):
11914         New predicate.
11915         * config/i386/i386.c (ix86_rtx_costs) <case PLUS, case MINUS>:
11916         Also consider ix86_carry_flag_unset_operator to calculate
11917         the cost of adc/sbb insn.
11918
11919 2021-04-30  Roman Zhuykov  <zhroma@ispras.ru>
11920
11921         PR rtl-optimization/100225
11922         PR rtl-optimization/84878
11923         * modulo-sched.c (sms_schedule): Use note_stores to skip loops
11924         where we have an instruction which touches (writes) any hard
11925         register from df->regular_block_artificial_uses set.
11926         Allow not-single-set instruction only right before basic block
11927         tail.
11928
11929 2021-04-30  Geng Qi  <gengqi@linux.alibaba.com>
11930
11931         * config/riscv/riscv.opt (march=,mabi=): Negative itself.
11932
11933 2021-04-30  LevyHsu  <admin@levyhsu.com>
11934
11935         * config/riscv/riscv.c (riscv_min_arithmetic_precision): New.
11936         * config/riscv/riscv.h (TARGET_MIN_ARITHMETIC_PRECISION): New.
11937         * config/riscv/riscv.md (addv<mode>4, uaddv<mode>4): New.
11938         (subv<mode>4, usubv<mode>4, mulv<mode>4, umulv<mode>4): New.
11939
11940 2021-04-29  Alexandre Oliva  <oliva@adacore.com>
11941
11942         * config.gcc: Merged x86 and x86_64 cpu_type-setting cases.
11943
11944 2021-04-29  Alexandre Oliva  <oliva@adacore.com>
11945
11946         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): Rename to...
11947         (ASM_OUTPUT_MAX_SKIP_ALIGN): ... this.  Enclose in do/while(0).
11948         * config/i386/i386.c: Adjust.
11949         * config/i386/i386.md: Adjust.
11950         * config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Drop.
11951         * config/i386/dragonfly.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11952         * config/i386/freebsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11953         * config/i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11954         * config/i386/gnu-user.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11955         * config/i386/iamcu.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11956         * config/i386/lynx.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11957         * config/i386/netbsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11958         * config/i386/openbsdelf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11959         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11960         (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
11961
11962 2021-04-29  Uroš Bizjak  <ubizjak@gmail.com>
11963
11964         * config/i386/i386-expand.c (ix86_expand_int_compare):
11965         Swap operands of GTU and LEU comparison to emit carry flag comparison.
11966         * config/i386/i386.md (*add<mode>3_carry_0): Change insn
11967         predicate to allow more combine opportunities with memory operands.
11968         (*sub<mode>3_carry_0): Ditto.
11969
11970 2021-04-29  Richard Sandiford  <richard.sandiford@arm.com>
11971
11972         PR rtl-optimization/100303
11973         * rtl-ssa/accesses.cc (function_info::make_use_available): Take a
11974         boolean that indicates whether the use will only be used in
11975         debug instructions.  Treat it in the same way that existing
11976         cross-EBB debug references would be handled if so.
11977         (function_info::make_uses_available): Likewise.
11978         * rtl-ssa/functions.h (function_info::make_uses_available): Update
11979         prototype accordingly.
11980         (function_info::make_uses_available): Likewise.
11981         * fwprop.c (try_fwprop_subst): Update call accordingly.
11982
11983 2021-04-29  Jeff Law  <jlaw@tachyum.com>
11984
11985         * config/nios2/nios2-protos.h (nios2_fpu_insn_enabled): Move outside
11986         of RTX_CODE guard.
11987
11988 2021-04-29  Uroš Bizjak  <ubizjak@gmail.com>
11989             Richard Biener  <rguenther@suse.de>
11990
11991         PR target/100312
11992         * config/i386/i386-builtin.def (IX86_BUILTIN_MASKLOADPD)
11993         (IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKLOADPD256)
11994         (IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKLOADD)
11995         (IX86_BUILTIN_MASKLOADQ, IX86_BUILTIN_MASKLOADD256)
11996         (IX86_BUILTIN_MASKLOADQ256): Move from SPECIAL_ARGS
11997         to PURE_ARGS category.
11998         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
11999         Handle PURE_ARGS category.
12000         * config/i386/i386-expand.c (ix86_expand_builtin): Ditto.
12001
12002 2021-04-29  Eric Botcazou  <ebotcazou@adacore.com>
12003
12004         * configure.ac: Check for the presence of sys/locking.h header and
12005         for whether _LK_LOCK is supported by _locking.
12006         * configure: Regenerate.
12007         * config.in: Likewise.
12008         * gcov-io.h: Define GCOV_LOCKED_WITH_LOCKING if HOST_HAS_LK_LOCK.
12009         * gcov-io.c (gcov_open): Add support for GCOV_LOCKED_WITH_LOCKING.
12010         * system.h: Include <sys/locking.h> if HAVE_SYS_LOCKING_H.
12011
12012 2021-04-29  Uroš Bizjak  <ubizjak@gmail.com>
12013
12014         * config/i386/predicates.md (fcmov_comparison_operator):
12015         Do not check for trivial FP comparison operator.
12016         <case GEU, case LTU>: Allow CCGZmode.
12017         <case GTU, case LEU>: Do not allow CCCmode.
12018         (ix86_comparison_operator) <case GTU, case LEU>: Allow only CCmode.
12019         (ix86_carry_flag_operator): Match only LTU and UNLT code.
12020         Do not check for trivial FP comparison operator.  Allow CCGZmode.
12021
12022 2021-04-29  Tom de Vries  <tdevries@suse.de>
12023
12024         * omp-expand.c (expand_omp_simd): Add step_orig, and replace uses of
12025         fd->loop.step by either step or orig_step.
12026
12027 2021-04-29  Eric Botcazou  <ebotcazou@adacore.com>
12028
12029         * config/sparc/sparc.c (gen_load_pcrel_sym): Delete.
12030         (load_got_register): Do the PIC dance here.
12031         (sparc_legitimize_tls_address): Simplify.
12032         (sparc_emit_probe_stack_range): Likewise.
12033         (sparc32_initialize_trampoline): Likewise.
12034         (sparc64_initialize_trampoline): Likewise.
12035         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Add @ marker.
12036         (probe_stack_range<P:mode>): Likewise.
12037         (flush<P:mode>): Likewise.
12038         (tgd_hi22<P:mode>): Likewise.
12039         (tgd_lo10<P:mode>): Likewise.
12040         (tgd_add<P:mode>): Likewise.
12041         (tgd_call<P:mode>): Likewise.
12042         (tldm_hi22<P:mode>): Likewise.
12043         (tldm_lo10<P:mode>): Likewise.
12044         (tldm_add<P:mode>): Likewise.
12045         (tldm_call<P:mode>): Likewise.
12046         (tldo_hix22<P:mode>): Likewise.
12047         (tldo_lox10<P:mode>): Likewise.
12048         (tldo_add<P:mode>): Likewise.
12049         (tie_hi22<P:mode>): Likewise.
12050         (tie_lo10<P:mode>): Likewise.
12051         (tie_add<P:mode>): Likewise.
12052         (tle_hix22<P:mode>): Likewise.
12053         (tle_lox10<P:mode>): Likewise.
12054         (stack_protect_setsi): Rename to...
12055         (stack_protect_set32): ...this.
12056         (stack_protect_setdi): Rename to...
12057         (stack_protect_set64): ...this.
12058         (stack_protect_set): Adjust calls to above.
12059         (stack_protect_testsi): Rename to...
12060         (stack_protect_test32): ...this.
12061         (stack_protect_testdi): Rename to...
12062         (stack_protect_test64): ...this.
12063         (stack_protect_test): Adjust calls to above.
12064
12065 2021-04-29  H.J. Lu  <hjl.tools@gmail.com>
12066
12067         PR middle-end/90773
12068         * builtins.c (builtin_memcpy_read_str): Add a dummy argument.
12069         (builtin_strncpy_read_str): Likewise.
12070         (builtin_memset_read_str): Add an argument for the previous RTL
12071         information and generate the new RTL from the previous RTL info.
12072         (builtin_memset_gen_str): Likewise.
12073         * builtins.h (builtin_strncpy_read_str): Update the prototype.
12074         (builtin_memset_read_str): Likewise.
12075         * expr.c (by_pieces_ninsns): If targetm.overlap_op_by_pieces_p()
12076         returns true, round up size and alignment to the widest integer
12077         mode for maximum size.
12078         (pieces_addr::adjust): Add a pointer to by_pieces_prev argument
12079         and pass it to m_constfn.
12080         (op_by_pieces_d): Add m_push and m_overlap_op_by_pieces.
12081         (op_by_pieces_d::op_by_pieces_d): Add a bool argument to
12082         initialize m_push.  Initialize m_overlap_op_by_pieces with
12083         targetm.overlap_op_by_pieces_p ().
12084         (op_by_pieces_d::run): Pass the previous RTL information to
12085         pieces_addr::adjust and generate overlapping operations if
12086         m_overlap_op_by_pieces is true.
12087         (PUSHG_P): New.
12088         (move_by_pieces_d::move_by_pieces_d): Updated for op_by_pieces_d
12089         change.
12090         (store_by_pieces_d::store_by_pieces_d): Updated for op_by_pieces_d
12091         change.
12092         (can_store_by_pieces): Use by_pieces_constfn on constfun.
12093         (store_by_pieces): Use by_pieces_constfn on constfun.  Updated
12094         for op_by_pieces_d change.
12095         (clear_by_pieces_1): Add a dummy argument.
12096         (clear_by_pieces): Updated for op_by_pieces_d change.
12097         (compare_by_pieces_d::compare_by_pieces_d): Likewise.
12098         (string_cst_read_str): Add a dummy argument.
12099         * expr.h (by_pieces_constfn): Add a dummy argument.
12100         (by_pieces_prev): New.
12101         * target.def (overlap_op_by_pieces_p): New target hook.
12102         * config/i386/i386.c (TARGET_OVERLAP_OP_BY_PIECES_P): New.
12103         * doc/tm.texi.in: Add TARGET_OVERLAP_OP_BY_PIECES_P.
12104         * doc/tm.texi: Regenerated.
12105
12106 2021-04-29  Richard Biener  <rguenther@suse.de>
12107
12108         PR tree-optimization/100253
12109         * tree-vect-stmts.c (vectorizable_load): Do not assume
12110         element alignment when DR_MISALIGNMENT is -1.
12111         (vectorizable_store): Likewise.
12112
12113 2021-04-29  Jakub Jelinek  <jakub@redhat.com>
12114
12115         PR target/100302
12116         * config/aarch64/aarch64.c (aarch64_add_offset_1_temporaries): Use
12117         absu_hwi instead of abs_hwi.
12118
12119 2021-04-29  Richard Biener  <rguenther@suse.de>
12120
12121         PR middle-end/38474
12122         * tree-ssa-structalias.c (add_graph_edge): Avoid direct
12123         forwarding when indirect forwarding through ESCAPED
12124         alread happens.
12125
12126 2021-04-29  Tom de Vries  <tdevries@suse.de>
12127
12128         PR target/100232
12129         * internal-fn.c (expand_GOMP_SIMT_ENTER_ALLOC)
12130         (expand_GOMP_SIMT_LAST_LANE, expand_GOMP_SIMT_ORDERED_PRED)
12131         (expand_GOMP_SIMT_VOTE_ANY, expand_GOMP_SIMT_XCHG_BFLY)
12132         (expand_GOMP_SIMT_XCHG_IDX): Ensure target is assigned to.
12133
12134 2021-04-29  Richard Biener  <rguenther@suse.de>
12135
12136         PR tree-optimization/99912
12137         * tree-ssa-dse.c (dse_dom_walker::m_need_cfg_cleanup): New.
12138         (dse_dom_walker::todo): Likewise.
12139         (dse_dom_walker::dse_optimize_stmt): Move VDEF check to the
12140         caller.
12141         (dse_dom_walker::before_dom_children): Remove trivially
12142         dead SSA defs and schedule CFG cleanup if we removed all
12143         PHIs in a block.
12144         (pass_dse::execute): Get TODO as computed by the DOM walker
12145         and return it.  Wipe dominator info earlier.
12146
12147 2021-04-29  Richard Biener  <rguenther@suse.de>
12148
12149         PR ipa/100308
12150         * ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
12151         Track blocks to cleanup EH in new m_need_eh_cleanup.
12152         (ipcp_modif_dom_walker::cleanup_eh): New.
12153         (ipcp_transform_function): Release dominator info before
12154         doing EH cleanup.
12155
12156 2021-04-29  Martin Sebor  <msebor@redhat.com>
12157
12158         PR middle-end/100250
12159         * attribs.c (attr_access::array_as_string): Avoid dereferencing
12160         a pointer when it's null.
12161
12162 2021-04-29  Martin Sebor  <msebor@redhat.com>
12163
12164         * Makefile.in (OBJS): Add ipa-free-lang-data.o.
12165         * ipa-free-lang-data.cc: New file.
12166         * tree.c: Move pass free_lang_data to file above.
12167          (build_array_type_1): Declare extern.
12168         * tree.h (build_array_type_1): Declare.
12169
12170 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12171
12172         * config/aarch64/aarch64-simd-builtins.def: Modify comment to
12173         make consistent with updated RTL pattern.
12174         * config/aarch64/aarch64-simd.md (aarch64_<sur>qmovn<mode>):
12175         Implement using ss_truncate and us_truncate rather than
12176         unspecs.
12177         * config/aarch64/iterators.md: Remove redundant unspecs and
12178         iterator: UNSPEC_[SU]QXTN and SUQMOVN respectively.
12179
12180 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12181
12182         * config/aarch64/arm_acle.h (__attribute__): Make intrinsic
12183         attributes consistent with those defined in arm_neon.h.
12184
12185 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12186
12187         * config/aarch64/arm_fp16.h (__attribute__): Make intrinsic
12188         attributes consistent with those defined in arm_neon.h.
12189
12190 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12191
12192         * config/aarch64/aarch64-simd-builtins.def: Add
12193         float_trunc_rodd builtin generator macros.
12194         * config/aarch64/aarch64-simd.md (aarch64_float_trunc_rodd_df):
12195         Define.
12196         (aarch64_float_trunc_rodd_lo_v2sf): Define.
12197         (aarch64_float_trunc_rodd_hi_v4sf_le): Define.
12198         (aarch64_float_trunc_rodd_hi_v4sf_be): Define.
12199         (aarch64_float_trunc_rodd_hi_v4sf): Define.
12200         * config/aarch64/arm_neon.h (vcvtx_f32_f64): Use RTL builtin
12201         instead of inline asm.
12202         (vcvtx_high_f32_f64): Likewise.
12203         (vcvtxd_f32_f64): Likewise.
12204         * config/aarch64/iterators.md: Add FCVTXN unspec.
12205
12206 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12207
12208         * config/aarch64/aarch64-simd-builtins.def: Add tbx1 builtin
12209         generator macros.
12210         * config/aarch64/aarch64-simd.md (aarch64_tbx1<mode>):
12211         Define.
12212         * config/aarch64/arm_neon.h (vqtbx1_s8): USE RTL builtin
12213         instead of inline asm.
12214         (vqtbx1_u8): Likewise.
12215         (vqtbx1_p8): Likewise.
12216         (vqtbx1q_s8): Likewise.
12217         (vqtbx1q_u8): Likewise.
12218         (vqtbx1q_p8): Likewise.
12219         (vtbx2_s8): Likewise.
12220         (vtbx2_u8): Likewise.
12221         (vtbx2_p8): Likewise.
12222
12223 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12224
12225         * config/aarch64/aarch64-simd-builtins.def: Add tbl1 builtin
12226         generator macros.
12227         * config/aarch64/arm_neon.h (vqtbl1_p8): Use RTL builtin
12228         instead of inline asm.
12229         (vqtbl1_s8): Likewise.
12230         (vqtbl1_u8): Likewise.
12231         (vqtbl1q_p8): Likewise.
12232         (vqtbl1q_s8): Likewise.
12233         (vqtbl1q_u8): Likewise.
12234         (vtbl1_s8): Likewise.
12235         (vtbl1_u8): Likewise.
12236         (vtbl1_p8): Likewise.
12237         (vtbl2_s8): Likewise.
12238         (vtbl2_u8): Likewise.
12239         (vtbl2_p8): Likewise.
12240
12241 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12242
12243         * config/aarch64/aarch64-simd-builtins.def: Add polynomial
12244         ssri_n buitin generator macro.
12245         * config/aarch64/arm_neon.h (vsri_n_p8): Use RTL builtin
12246         instead of inline asm.
12247         (vsri_n_p16): Likewise.
12248         (vsri_n_p64): Likewise.
12249         (vsriq_n_p8): Likewise.
12250         (vsriq_n_p16): Likewise.
12251         (vsriq_n_p64): Likewise.
12252
12253 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12254
12255         * config/aarch64/aarch64-simd-builtins.def: Use VALLP mode
12256         iterator for polynomial ssli_n builtin generator macro.
12257         * config/aarch64/arm_neon.h (vsli_n_p8): Use RTL builtin
12258         instead of inline asm.
12259         (vsli_n_p16): Likewise.
12260         (vsliq_n_p8): Likewise.
12261         (vsliq_n_p16): Likewise.
12262         * config/aarch64/iterators.md: Define VALLP mode iterator.
12263
12264 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12265
12266         * config/aarch64/aarch64-simd-builtins.def: Use VDQV_L
12267         iterator to generate [su]adalp RTL builtins.
12268         * config/aarch64/aarch64-simd.md: Use VDQV_L iterator in
12269         [su]adalp RTL pattern.
12270         * config/aarch64/arm_neon.h (vpadal_s32): Use RTL builtin
12271         instead of inline asm.
12272         (vpadal_u32): Likewise.
12273
12274 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12275
12276         * config/aarch64/aarch64-simd-builtins.def: Add [su]addlp
12277         builtin generator macros.
12278         * config/aarch64/aarch64-simd.md (aarch64_<su>addlp<mode>):
12279         Define.
12280         * config/aarch64/arm_neon.h (vpaddl_s8): Use RTL builtin
12281         instead of inline asm.
12282         (vpaddl_s16): Likewise.
12283         (vpaddl_s32): Likewise.
12284         (vpaddl_u8): Likewise.
12285         (vpaddl_u16): Likewise.
12286         (vpaddl_u32): Likewise.
12287         (vpaddlq_s8): Likewise.
12288         (vpaddlq_s16): Likewise.
12289         (vpaddlq_s32): Likewise.
12290         (vpaddlq_u8): Likewise.
12291         (vpaddlq_u16): Likewise.
12292         (vpaddlq_u32): Liwewise.
12293         * config/aarch64/iterators.md: Define [SU]ADDLP unspecs with
12294         appropriate attributes.
12295
12296 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12297
12298         * config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
12299         for aarch64_addp<mode> builtin macro generator.
12300         * config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
12301         aarch64_addp<mode> RTL pattern.
12302         * config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
12303         instead of inline asm.
12304         (vpaddq_s16): Likewise.
12305         (vpaddq_s32): Likewise.
12306         (vpaddq_s64): Likewise.
12307         (vpaddq_u8): Likewise.
12308         (vpaddq_u16): Likewise.
12309         (vpaddq_u32): Likewise.
12310         (vpaddq_u64): Likewise.
12311
12312 2021-04-28  Jonathan Wright  <jonathan.wright@arm.com>
12313
12314         * config/aarch64/aarch64-simd-builtins.def: Add sq[r]dmulh_n
12315         builtin generator macros.
12316         * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_n<mode>):
12317         Define.
12318         * config/aarch64/arm_neon.h (vqdmulh_n_s16): Use RTL builtin
12319         instead of inline asm.
12320         (vqdmulh_n_s32): Likewise.
12321         (vqdmulhq_n_s16): Likewise.
12322         (vqdmulhq_n_s32): Likewise.
12323         (vqrdmulh_n_s16): Likewise.
12324         (vqrdmulh_n_s32): Likewise.
12325         (vqrdmulhq_n_s16): Likewise.
12326         (vqrdmulhq_n_s32): Likewise.
12327
12328 2021-04-28  Tobias Burnus  <tobias@codesourcery.com>
12329
12330         * doc/install.texi (--enable-offload-defaulted): Document.
12331
12332 2021-04-28  Senthil Kumar Selvaraj  <saaadhu@gcc.gnu.org>
12333
12334         * config/avr/avr-dimode.md: Turn existing patterns into
12335         define_insn_and_split style patterns where the splitter
12336         adds a clobber of the condition code register.  Drop "cc"
12337         attribute.  Add new patterns to match output of
12338         the splitters.
12339         * config/avr/avr-fixed.md: Likewise.
12340         * config/avr/avr.c (cc_reg_rtx): New.
12341         (avr_parallel_insn_from_insns): Adjust insn count
12342         for removal of set of cc0.
12343         (avr_is_casesi_sequence): Likewise.
12344         (avr_casei_sequence_check_operands): Likewise.
12345         (avr_optimize_casesi): Likewise. Also insert
12346         new insns after jump_insn.
12347         (avr_pass_casesi::avr_rest_of_handle_casesi): Adjust
12348         for removal of set of cc0.
12349         (avr_init_expanders): Initialize cc_reg_rtx.
12350         (avr_regno_reg_class): Handle REG_CC.
12351         (cond_string): Remove usage of CC_OVERFLOW_UNUSABLE.
12352         (avr_notice_update_cc): Remove function.
12353         (ret_cond_branch): Remove usage of CC_OVERFLOW_UNUSABLE.
12354         (compare_condition): Adjust for PARALLEL with
12355         REG_CC clobber.
12356         (out_shift_with_cnt): Likewise.
12357         (ashlhi3_out): Likewise.
12358         (ashrhi3_out): Likewise.
12359         (lshrhi3_out): Likewise.
12360         (avr_class_max_nregs): Return single reg for REG_CC.
12361         (avr_compare_pattern): Check for REG_CC instead
12362         of cc0_rtx.
12363         (avr_reorg_remove_redundant_compare): Likewise.
12364         (avr_reorg):Adjust for PARALLEL with REG_CC clobber.
12365         (avr_hard_regno_nregs): Return single reg for REG_CC.
12366         (avr_hard_regno_mode_ok): Allow only CCmode for REG_CC.
12367         (avr_md_asm_adjust): Clobber REG_CC.
12368         (TARGET_HARD_REGNO_NREGS): Define.
12369         (TARGET_CLASS_MAX_NREGS): Define.
12370         (TARGET_MD_ASM_ADJUST): Define.
12371         * config/avr/avr.h (FIRST_PSEUDO_REGISTER): Adjust
12372         for REG_CC.
12373         (enum reg_class): Add CC_REG class.
12374         (NOTICE_UPDATE_CC): Remove.
12375         (CC_OVERFLOW_UNUSABLE): Remove.
12376         (CC_NO_CARRY): Remove.
12377         * config/avr/avr.md: Turn existing patterns into
12378         define_insn_and_split style patterns where the splitter
12379         adds a clobber of the condition code register.  Drop "cc"
12380         attribute.  Add new patterns to match output of
12381         the splitters.
12382         (sez): Remove unused pattern.
12383
12384 2021-04-28  Richard Earnshaw  <rearnsha@arm.com>
12385
12386         PR target/100311
12387         * config/arm/arm.c (arm_hard_regno_mode_ok): Only allow VPR to be
12388         used in HImode.
12389
12390 2021-04-28  Richard Sandiford  <richard.sandiford@arm.com>
12391
12392         PR target/100305
12393         * config/aarch64/constraints.md (Utq): Require the address to
12394         be valid for both the element mode and for V2DImode.
12395
12396 2021-04-28  Jakub Jelinek  <jakub@redhat.com>
12397             Tobias Burnus  <tobias@codesourcery.com>
12398
12399         * configure.ac (OFFLOAD_DEFAULTED): AC_DEFINE if offload-defaulted.
12400         * gcc.c (process_command): New variable.
12401         (driver::maybe_putenv_OFFLOAD_TARGETS): If OFFLOAD_DEFAULTED,
12402         set it if -foffload is defaulted.
12403         * lto-wrapper.c (OFFLOAD_TARGET_DEFAULT_ENV): Define.
12404         (compile_offload_image): If OFFLOAD_DEFAULTED and
12405         OFFLOAD_TARGET_DEFAULT is in the environment, don't fail
12406         if corresponding mkoffload can't be found.
12407         (compile_images_for_offload_targets): Likewise.  Free and clear
12408         offload_names if no valid offload is found.
12409         * config.in: Regenerate.
12410         * configure: Regenerate.
12411
12412 2021-04-28  Richard Biener  <rguenther@suse.de>
12413
12414         PR tree-optimization/100292
12415         * tree-vect-generic.c (expand_vector_condition): Do not fold
12416         the comparisons.
12417
12418 2021-04-27  David Edelsohn  <dje.gcc@gmail.com>
12419
12420         * config/rs6000/aix.h (SUBTARGET_DRIVER_SELF_SPECS): New.
12421         * config/rs6000/aix64.opt (m64): New.
12422         (m32): New.
12423
12424 2021-04-27  Maciej W. Rozycki  <macro@orcam.me.uk>
12425
12426         * config/vax/vax.c (print_operand_address, vax_address_cost_1)
12427         (index_term_p): Handle ASHIFT too.
12428
12429 2021-04-27  Maciej W. Rozycki  <macro@orcam.me.uk>
12430
12431         * config/vax/builtins.md (jbb<ccss>i<mode>): Remove operand #3.
12432         (sync_lock_test_and_set<mode>): Adjust accordingly.
12433         (sync_lock_release<mode>): Likewise.
12434
12435 2021-04-27  Maciej W. Rozycki  <macro@orcam.me.uk>
12436
12437         * config/vax/vax-protos.h (adjacent_operands_p): Remove
12438         prototype.
12439         * config/vax/vax.c (adjacent_operands_p): Remove.
12440
12441 2021-04-27  Maciej W. Rozycki  <macro@linux-mips.org>
12442
12443         * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Fall
12444         through to the non-conditional execution case if getting the
12445         condition for conditional execution has failed.
12446
12447 2021-04-27  Richard Sandiford  <richard.sandiford@arm.com>
12448
12449         PR middle-end/100284
12450         * gimple.c (gimple_could_trap_p_1): Remove VEC_COND_EXPR test.
12451         * tree-eh.c (operation_could_trap_p): Handle VEC_COND_EXPR rather
12452         than asserting on it.
12453
12454 2021-04-27  David Edelsohn  <dje.gcc@gmail.com>
12455
12456         * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): Protect
12457         with TARGET_AIX_OS.
12458
12459 2021-04-27  David Edelsohn  <dje.gcc@gmail.com>
12460
12461         PR target/94177
12462         * calls.c (precompute_register_parameters): Additionally test
12463         targetm.precompute_tls_p to pre-compute argument.
12464         * config/rs6000/aix.h (TARGET_PRECOMPUTE_TLS_P): Define.
12465         * config/rs6000/rs6000.c (rs6000_aix_precompute_tls_p): New.
12466         * target.def (precompute_tls_p): New.
12467         * doc/tm.texi.in (TARGET_PRECOMPUTE_TLS_P): Add hook documentation.
12468         * doc/tm.texi: Regenerated.
12469
12470 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12471
12472         PR target/100200
12473         * config/aarch64/aarch64.c (aarch64_print_operand): Cast -UINTVAL
12474         back to HOST_WIDE_INT.
12475
12476 2021-04-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12477
12478         PR target/100106
12479         * simplify-rtx.c (simplify_context::simplify_subreg): Check the
12480         memory alignment for the outer mode.
12481
12482 2021-04-27  H.J. Lu  <hjl.tools@gmail.com>
12483
12484         PR middle-end/90773
12485         * expr.c (op_by_pieces_d::get_usable_mode): New member function.
12486         (op_by_pieces_d::run): Cange a while loop to a do-while loop.
12487
12488 2021-04-27  Alex Coplan  <alex.coplan@arm.com>
12489
12490         PR target/99977
12491         * config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
12492         with negative immediates: ensure we expand cbranchsi4_scratch
12493         correctly and ensure we satisfy its constraints.
12494         * config/arm/sync.md
12495         (@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
12496         attempt to tie two output operands together with constraints;
12497         collapse two alternatives.
12498         (@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
12499         * config/arm/thumb1.md (cbranchsi4_neg_late): New.
12500
12501 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12502
12503         PR target/100200
12504         * config/aarch64/predicates.md (aarch64_sub_immediate,
12505         aarch64_plus_immediate): Use -UINTVAL instead of -INTVAL.
12506         * config/aarch64/aarch64.md (casesi, rotl<mode>3): Likewise.
12507         * config/aarch64/aarch64.c (aarch64_print_operand,
12508         aarch64_split_atomic_op, aarch64_expand_subvti): Likewise.
12509
12510 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12511
12512         PR tree-optimization/100239
12513         * tree-vect-generic.c (lower_vec_perm): Don't accept constant
12514         permutations with all indices from the first zero element as vec_shl.
12515
12516 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12517
12518         PR rtl-optimization/100254
12519         * cfgcleanup.c (outgoing_edges_match): Check REG_EH_REGION on
12520         last1 and last2 insns rather than BB_END (bb1) and BB_END (bb2) insns.
12521
12522 2021-04-27  Richard Biener  <rguenther@suse.de>
12523
12524         PR tree-optimization/99912
12525         * passes.def: Add comment about new TODO_remove_unused_locals.
12526         * tree-stdarg.c (pass_data_stdarg): Run TODO_remove_unused_locals
12527         at start.
12528
12529 2021-04-27  Richard Biener  <rguenther@suse.de>
12530
12531         PR tree-optimization/99912
12532         * passes.def (pass_all_optimizations): Add pass_dse before
12533         the first pass_dce, move the first pass_dse before the
12534         pass_dce following pass_pre.
12535
12536 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12537
12538         PR tree-optimization/95527
12539         * generic-match-head.c: Include tm.h.
12540         * gimple-match-head.c: Include tm.h.
12541         * match.pd (CLZ == INTEGER_CST): Don't use
12542         #ifdef CLZ_DEFINED_VALUE_AT_ZERO, only test CLZ_DEFINED_VALUE_AT_ZERO
12543         if clz == CFN_CLZ.  Add missing val declaration.
12544         (CTZ cmp CST): New simplifications.
12545
12546 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12547
12548         PR tree-optimization/96696
12549         * expr.c (expand_expr_divmod): New function.
12550         (expand_expr_real_2) <case TRUNC_DIV_EXPR>: Use it for truncations and
12551         divisions.  Formatting fixes.
12552         <case MULT_EXPR>: Optimize x / y * y as x - x % y if the latter is
12553         cheaper.
12554
12555 2021-04-27  Martin Jambor  <mjambor@suse.cz>
12556
12557         PR ipa/99951
12558         * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
12559         If removing a call statement LHS SSA name, release it.
12560
12561 2021-04-27  Richard Earnshaw  <rearnsha@arm.com>
12562
12563         PR target/100236
12564         * config/arm/arm.c (THUMB2_WORK_REGS): Check PIC_OFFSET_TABLE_REGNUM
12565         is valid before including it in the mask.
12566
12567 2021-04-27  Richard Sandiford  <richard.sandiford@arm.com>
12568
12569         PR target/100270
12570         * config/aarch64/aarch64.c (aarch64_comp_type_attributes): Handle
12571         SVE attributes.
12572
12573 2021-04-27  Richard Biener  <rguenther@suse.de>
12574
12575         PR tree-optimization/100051
12576         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Add
12577         disambiguator based on access size vs. decl size.
12578
12579 2021-04-27  Richard Biener  <rguenther@suse.de>
12580
12581         PR tree-optimization/100278
12582         * tree-ssa-pre.c (compute_avail): Give up when we cannot
12583         adjust TBAA beacuse of mismatching bases.
12584
12585 2021-04-27  Jakub Jelinek  <jakub@redhat.com>
12586
12587         PR target/99405
12588         * config/i386/i386.md (*<insn><mode>3_mask, *<insn><mode>3_mask_1):
12589         For any_rotate define_insn_split and following splitters, use
12590         SWI iterator instead of SWI48.
12591
12592 2021-04-27  Richard Biener  <rguenther@suse.de>
12593
12594         PR tree-optimization/99776
12595         * match.pd (bit_field_ref (ctor)): Relax element extract
12596         type compatibility checks.
12597
12598 2021-04-27  Cui,Lili  <lili.cui@intel.com>
12599
12600         * common/config/i386/i386-common.c (processor_names):
12601         Sync processor_names with processor_type.
12602         * config/i386/i386-options.c (processor_cost_table):
12603         Sync processor_cost_table with processor_type.
12604
12605 2021-04-26  Aldy Hernandez  <aldyh@redhat.com>
12606
12607         * value-range.cc (irange::irange_set_1bit_anti_range): Add assert.
12608         (irange::set): Call irange_set_1bit_anti_range for handling all
12609         1-bit ranges.  Fall through on ~[MIN,MAX].
12610
12611 2021-04-26  Aldy Hernandez  <aldyh@redhat.com>
12612
12613         * value-range.cc (irange::legacy_num_pairs): Remove.
12614         (irange::invert): Change gcc_assert to gcc_checking_assert.
12615         * value-range.h (irange::num_pairs): Adjust for a cached
12616         num_pairs().  Also, rename all gcc_assert's to
12617         gcc_checking_assert's.
12618
12619 2021-04-26  Aldy Hernandez  <aldyh@redhat.com>
12620
12621         * value-range.cc (irange::operator=): Set m_kind.
12622         (irange::copy_to_legacy): Handle varying and undefined sources
12623         as a legacy copy since they can be easily copied.
12624         (irange::irange_set): Set m_kind.
12625         (irange::irange_set_anti_range): Same.
12626         (irange::set): Rename normalize_min_max to normalize_kind.
12627         (irange::verify_range): Adjust for multi-ranges having the
12628         m_kind field set.
12629         (irange::irange_union): Set m_kind.
12630         (irange::irange_intersect): Same.
12631         (irange::invert): Same.
12632         * value-range.h (irange::kind): Always return m_kind.
12633         (irange::varying_p): Rename to...
12634         (irange::varying_comptaible_p): ...this.
12635         (irange::undefined_p): Only look at m_kind.
12636         (irange::irange): Always set VR_UNDEFINED if applicable.
12637         (irange::set_undefined): Always set VR_UNDEFINED.
12638         (irange::set_varying): Always set m_kind to VR_VARYING.
12639         (irange::normalize_min_max): Rename to...
12640         (irange::normalize_kind): ...this.
12641
12642 2021-04-26  Aldy Hernandez  <aldyh@redhat.com>
12643
12644         * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::set_ssa_range_info):
12645         Adjust for constant_p including varying_p.
12646         * tree-vrp.c (vrp_prop::finalize): Same.
12647         (determine_value_range): Same.
12648         * vr-values.c (vr_values::range_of_expr): Same.
12649         * value-range.cc (irange::symbolic_p): Do not check varying_p.
12650         (irange::constant_p): Same.
12651
12652 2021-04-26  Aldy Hernandez  <aldyh@redhat.com>
12653
12654         * value-range.cc (irange::legacy_lower_bound): Replace
12655           !undefined_p check with num_ranges > 0.
12656         (irange::legacy_upper_bound): Same.
12657         * value-range.h (irange::type): Same.
12658         (irange::lower_bound): Same.
12659         (irange::upper_bound): Same.
12660
12661 2021-04-26  Richard Biener  <rguenther@suse.de>
12662
12663         PR tree-optimization/99956
12664         * gimple-loop-interchange.cc (compute_access_stride):
12665         Try instantiating the access in a shallower loop nest
12666         if instantiating failed.
12667         (compute_access_strides): Pass adjustable loop_nest
12668         to compute_access_stride.
12669
12670 2021-04-26  Christophe Lyon  <christophe.lyon@linaro.org>
12671
12672         * doc/sourcebuild.texi (arm_cmse_hw): Document.
12673
12674 2021-04-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12675
12676         * config/aarch64/iterators.md (vwcore): Handle V4BF, V8BF.
12677
12678 2021-04-26  Thomas Schwinge  <thomas@codesourcery.com>
12679             Nathan Sidwell  <nathan@codesourcery.com>
12680             Tom de Vries  <vries@codesourcery.com>
12681             Julian Brown  <julian@codesourcery.com>
12682             Kwok Cheung Yeung  <kcy@codesourcery.com>
12683
12684         * omp-offload.c (oacc_validate_dims): Implement
12685         '-Wopenacc-parallelism'.
12686         * doc/invoke.texi (-Wopenacc-parallelism): Document.
12687
12688 2021-04-26  Richard Biener  <rguenther@suse.de>
12689
12690         * tree-cfg.h (gimplify_build1): Remove.
12691         (gimplify_build2): Likewise.
12692         (gimplify_build3): Likewise.
12693         * tree-cfg.c (gimplify_build1): Move to tree-vect-generic.c.
12694         (gimplify_build2): Likewise.
12695         (gimplify_build3): Likewise.
12696         * tree-vect-generic.c (gimplify_build1): Move from tree-cfg.c.
12697         Modernize.
12698         (gimplify_build2): Likewise.
12699         (gimplify_build3): Likewise.
12700         (tree_vec_extract): Use resimplify with following SSA edges.
12701         (expand_vector_parallel): Avoid passing NULL size/bitpos
12702         to tree_vec_extract.
12703         * expr.c (store_constructor): Deal with zero-element CTORs.
12704         * match.pd (bit_field_ref <vector CTOR>): Make sure to
12705         produce vector constants when possible.
12706
12707 2021-04-26  Richard Biener  <rguenther@suse.de>
12708
12709         * tree-complex.c: Include gimple-fold.h.
12710         (expand_complex_addition): Use gimple_build.
12711         (expand_complex_multiplication_components): Likewise.
12712         (expand_complex_multiplication): Likewise.
12713         (expand_complex_div_straight): Likewise.
12714         (expand_complex_div_wide): Likewise.
12715         (expand_complex_division): Likewise.
12716         (expand_complex_conjugate): Likewise.
12717         (expand_complex_comparison): Likewise.
12718
12719 2021-04-26  Richard Biener  <rguenther@suse.de>
12720
12721         * tree-ssa-phiopt.c (two_value_replacement): Remove use
12722         of legacy gimplify_buildN API.
12723
12724 2021-04-26  Richard Biener  <rguenther@suse.de>
12725
12726         PR tree-optimization/99473
12727         * tree-ssa-phiopt.c (cond_store_replacement): Handle all
12728         stores.
12729
12730 2021-04-26  Richard Biener  <rguenther@suse.de>
12731
12732         * config/rs6000/rs6000-call.c (rs6000_gimple_fold_builtin):
12733         Use replace_call_with_value.
12734
12735 2021-04-26  Richard Biener  <rguenther@suse.de>
12736
12737         * tree-ssa-propagate.h (valid_gimple_rhs_p): Remove.
12738         (update_gimple_call): Likewise.
12739         (update_call_from_tree): Likewise.
12740         * tree-ssa-propagate.c (valid_gimple_rhs_p): Remove.
12741         (valid_gimple_call_p): Likewise.
12742         (move_ssa_defining_stmt_for_defs): Likewise.
12743         (finish_update_gimple_call): Likewise.
12744         (update_gimple_call): Likewise.
12745         (update_call_from_tree): Likewise.
12746         (propagate_tree_value_into_stmt): Use replace_call_with_value.
12747         * gimple-fold.h (update_gimple_call): Declare.
12748         * gimple-fold.c (valid_gimple_rhs_p): Move here from
12749         tree-ssa-propagate.c.
12750         (update_gimple_call): Likewise.
12751         (valid_gimple_call_p): Likewise.
12752         (finish_update_gimple_call): Likewise, and simplify.
12753         (gimplify_and_update_call_from_tree): Implement
12754         update_call_from_tree functionality, avoid excessive
12755         push/pop_gimplify_context.
12756         (gimple_fold_builtin): Use only gimplify_and_update_call_from_tree.
12757         (gimple_fold_call): Likewise.
12758         * gimple-ssa-sprintf.c (try_substitute_return_value): Likewise.
12759         * tree-ssa-ccp.c (ccp_folder::fold_stmt): Likewise.
12760         (pass_fold_builtins::execute): Likewise.
12761         (optimize_stack_restore): Use replace_call_with_value.
12762         * tree-cfg.c (fold_loop_internal_call): Likewise.
12763         * tree-ssa-dce.c (maybe_optimize_arith_overflow): Use
12764         only gimplify_and_update_call_from_tree.
12765         * tree-ssa-strlen.c (handle_builtin_strlen): Likewise.
12766         (handle_builtin_strchr): Likewise.
12767         * tsan.c: Include gimple-fold.h instead of tree-ssa-propagate.h.
12768
12769 2021-04-26  Jakub Jelinek  <jakub@redhat.com>
12770
12771         PR debug/100255
12772         * vmsdbgout.c (ASM_OUTPUT_DEBUG_STRING, vmsdbgout_begin_block,
12773         vmsdbgout_end_block, lookup_filename, vmsdbgout_source_line): Remove
12774         register keywords.
12775
12776 2021-04-25  liuhongt  <hongtao.liu@intel.com>
12777
12778         PR target/98911
12779         * config/i386/i386-builtin.def (BDESC): Change the icode of
12780         the following builtins to CODE_FOR_nothing.
12781         * config/i386/i386.c (ix86_gimple_fold_builtin): Fold
12782         IX86_BUILTIN_PCMPEQB128, IX86_BUILTIN_PCMPEQW128,
12783         IX86_BUILTIN_PCMPEQD128, IX86_BUILTIN_PCMPEQQ,
12784         IX86_BUILTIN_PCMPEQB256, IX86_BUILTIN_PCMPEQW256,
12785         IX86_BUILTIN_PCMPEQD256, IX86_BUILTIN_PCMPEQQ256,
12786         IX86_BUILTIN_PCMPGTB128, IX86_BUILTIN_PCMPGTW128,
12787         IX86_BUILTIN_PCMPGTD128, IX86_BUILTIN_PCMPGTQ,
12788         IX86_BUILTIN_PCMPGTB256, IX86_BUILTIN_PCMPGTW256,
12789         IX86_BUILTIN_PCMPGTD256, IX86_BUILTIN_PCMPGTQ256.
12790         * config/i386/sse.md (avx2_eq<mode>3): Deleted.
12791         (sse2_eq<mode>3): Ditto.
12792         (sse4_1_eqv2di3): Ditto.
12793         (sse2_gt<mode>3): Rename to ..
12794         (*sse2_gt<mode>3): .. this.
12795
12796 2021-04-24  Iain Sandoe  <iain@sandoe.co.uk>
12797
12798         Revert:
12799         2021-04-24  Iain Sandoe  <iain@sandoe.co.uk>
12800
12801         PR target/100152
12802         * config/darwin.c (darwin_binds_local_p): Assume that any
12803         public symbol might be interposed for PIC code. Update function
12804         header comment to reflect current Darwin capability.
12805
12806 2021-04-24  Iain Sandoe  <iain@sandoe.co.uk>
12807
12808         PR target/100152
12809         * config/darwin.c (darwin_binds_local_p): Assume that any
12810         public symbol might be interposed for PIC code. Update function
12811         header comment to reflect current Darwin capability.
12812
12813 2021-04-24  Richard Sandiford  <richard.sandiford@arm.com>
12814
12815         * doc/sourcebuild.texi: Document no-opts and any-opts target
12816         selectors.
12817
12818 2021-04-23  YiFei Zhu  <zhuyifei1999@gmail.com>
12819
12820         * config/bpf/bpf.h (ASM_OUTPUT_ALIGNED_BSS): Use .type and .lcomm.
12821
12822 2021-04-23  YiFei Zhu  <zhuyifei1999@gmail.com>
12823
12824         * config/bpf/bpf.h (FUNCTION_BOUNDARY): Set to 64.
12825
12826 2021-04-23  Uroš Bizjak  <ubizjak@gmail.com>
12827
12828         PR target/100041
12829         * config/i386/i386-options.c (ix86_option_override_internal):
12830         Error out when -m96bit-long-double is used with 64bit targets.
12831         * config/i386/i386.md (*pushxf_rounded): Remove pattern.
12832
12833 2021-04-23  Martin Liska  <mliska@suse.cz>
12834
12835         * lto-wrapper.c: Remove FIXME about usage of
12836         hardware_concurrency. The function is not on par with
12837         what we have now.
12838
12839 2021-04-23  Uroš Bizjak  <ubizjak@gmail.com>
12840
12841         PR target/100182
12842         * config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
12843         Copy operand 3 to operand 4.  Use sse_reg_operand
12844         as operand 3 predicate.
12845         (FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): Ditto.
12846         (LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
12847         (LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
12848         (FILD_ATOMIC/FIST_ATOMIC FP store peephole2):
12849         Copy operand 1 to operand 0.
12850         (FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): Ditto.
12851         (LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
12852         (LDX_ATOMIC/LDX_ATOMIC FP store peephole2 with mem blockage): Ditto.
12853
12854 2021-04-23  Alex Coplan  <alex.coplan@arm.com>
12855
12856         PR rtl-optimization/100230
12857         * early-remat.c (early_remat::sort_candidates): Use delete[]
12858         instead of delete for array allocated with new[].
12859
12860 2021-04-23  Richard Biener  <rguenther@suse.de>
12861
12862         * genmatch.c (lower_cond): Remove VEC_COND_EXPR special-casing.
12863         (capture_info::capture_info): Likewise.
12864         (capture_info::walk_match): Likewise.
12865         (expr::gen_transform): Likewise.
12866         (dt_simplify::gen_1): Likewise.
12867         * gimple-match-head.c (maybe_resimplify_conditional_op):
12868         Remove VEC_COND_EXPR special-casing.
12869         (gimple_simplify): Likewise.
12870         * gimple.c (gimple_could_trap_p_1): Adjust.
12871         * tree-ssa-pre.c (compute_avail): Allow VEC_COND_EXPR
12872         to participate in PRE.
12873
12874 2021-04-23  Richard Biener  <rguenther@suse.de>
12875
12876         * cfganal.c (connect_infinite_loops_to_exit): First call
12877         add_noreturn_fake_exit_edges.
12878         * ipa-sra.c (process_scan_results): Do not call the now redundant
12879         add_noreturn_fake_exit_edges.
12880         * predict.c (tree_estimate_probability): Likewise.
12881         (rebuild_frequencies): Likewise.
12882         * store-motion.c (one_store_motion_pass): Likewise.
12883
12884 2021-04-23  Richard Biener  <rguenther@suse.de>
12885
12886         PR tree-optimization/100222
12887         * predict.c (pass_profile::execute): Remove redundant call to
12888         mark_irreducible_loops.
12889         (report_predictor_hitrates): Likewise.
12890
12891 2021-04-23  Richard Biener  <rguenther@suse.de>
12892
12893         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
12894         valid_gimple_rhs_p by instead gimplifying to one.
12895
12896 2021-04-23  Richard Biener  <rguenther@suse.de>
12897
12898         PR tree-optimization/99971
12899         * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
12900         Always use TBAA for loads.
12901
12902 2021-04-23  liuhongt  <hongtao.liu@intel.com>
12903
12904         PR target/100093
12905         * config/i386/i386-options.c (ix86_option_override_internal):
12906         Clear MASK_AVX256_SPLIT_UNALIGNED_LOAD/STORE in x_target_flags
12907         when X86_TUNE_AVX256_UNALIGNED_LOAD/STORE_OPTIMAL is enabled
12908         by target attribute.
12909
12910 2021-04-23  David Edelsohn  <dje.gcc@gmail.com>
12911
12912         * config/rs6000/aix71.h (PREFERRED_DEBUGGING_TYPE): Change to
12913         DWARF2_DEBUG.
12914         * config/rs6000/aix72.h (PREFERRED_DEBUGGING_TYPE): Same.
12915
12916 2021-04-22  David Edelsohn  <dje.gcc@gmail.com>
12917
12918         * config.gcc (powerpc-ibm-aix6.*): Remove.
12919         * config/rs6000/aix61.h: Delete.
12920
12921 2021-04-22  Martin Liska  <mliska@suse.cz>
12922
12923         PR testsuite/100159
12924         PR testsuite/100192
12925         * builtins.c (expand_builtin): Fix typos and missing comments.
12926         * dwarf2out.c (gen_subprogram_die): Likewise.
12927         (gen_struct_or_union_type_die): Likewise.
12928
12929 2021-04-22  Uroš Bizjak  <ubizjak@gmail.com>
12930
12931         PR target/100119
12932         * config/i386/i386-expand.c (ix86_expand_convert_uns_sidf_sse):
12933         Remove the sign with FE_DOWNWARD, where x - x = -0.0.
12934
12935 2021-04-21  Iain Sandoe  <iain@sandoe.co.uk>
12936
12937         * config/i386/darwin.h (TARGET_64BIT): Remove definition
12938         based on TARGET_ISA_64BIT.
12939         (TARGET_64BIT_P): Remove definition based on
12940         TARGET_ISA_64BIT_P().
12941
12942 2021-04-21  Martin Liska  <mliska@suse.cz>
12943
12944         Revert:
12945         2021-04-21  Martin Liska  <mliska@suse.cz>
12946
12947         * lto-wrapper.c (cpuset_popcount): Remove.
12948         (init_num_threads): Remove and use hardware_concurrency.
12949
12950 2021-04-21  Martin Liska  <mliska@suse.cz>
12951
12952         PR jit/98615
12953         * main.c (main): Call toplev::finalize in CHECKING_P mode.
12954         * ipa-modref.c (ipa_modref_c_finalize): summaries are NULL
12955         when incremental LTO linking happens.
12956
12957 2021-04-21  Martin Liska  <mliska@suse.cz>
12958
12959         * lto-wrapper.c (run_gcc): When -flto=jobserver is used, but the
12960         makeserver cannot be detected, then use -flto=N fallback.
12961
12962 2021-04-21  Richard Sandiford  <richard.sandiford@arm.com>
12963
12964         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): When cross-compiling,
12965         default to yes for aarch64-linux-gnu.
12966         * configure: Regenerate.
12967
12968 2021-04-21  Martin Liska  <mliska@suse.cz>
12969
12970         * lto-wrapper.c (cpuset_popcount): Remove.
12971         (init_num_threads): Remove and use hardware_concurrency.
12972
12973 2021-04-21  Martin Liska  <mliska@suse.cz>
12974
12975         * config/i386/i386.c: Remove superfluous || TARGET_MACHO
12976         which remains to be '(... || 0)' and clang complains about it.
12977         * dwarf2out.c (AT_vms_delta): Declare conditionally.
12978         (add_AT_vms_delta): Likewise.
12979         * tree.c (fld_simplified_type): Use rather more common pattern
12980         for disabling of something (#if 0).
12981         (get_tree_code_name): Likewise.
12982         (verify_type_variant): Likewise.
12983
12984 2021-04-21  Martin Liska  <mliska@suse.cz>
12985
12986         * config/i386/i386-expand.c (decide_alignment): Use newly named
12987         macro TARGET_CPU_P.
12988         * config/i386/i386.c (ix86_decompose_address): Likewise.
12989         (ix86_address_cost): Likewise.
12990         (ix86_lea_outperforms): Likewise.
12991         (ix86_avoid_lea_for_addr): Likewise.
12992         (ix86_add_stmt_cost): Likewise.
12993         * config/i386/i386.h (TARGET_*): Remove.
12994         (TARGET_CPU_P): New macro.
12995         * config/i386/i386.md: Use newly named macro TARGET_CPU_P.
12996         * config/i386/x86-tune-sched-atom.c (do_reorder_for_imul): Likewise.
12997         (swap_top_of_ready_list): Likewise.
12998         (ix86_atom_sched_reorder): Likewise.
12999         * config/i386/x86-tune-sched-bd.c (ix86_bd_has_dispatch): Likewise.
13000         * config/i386/x86-tune-sched.c (ix86_adjust_cost): Likewise.
13001
13002 2021-04-21  Martin Liska  <mliska@suse.cz>
13003
13004         * config/i386/i386-options.c (TARGET_EXPLICIT_NO_SAHF_P):
13005         Define.
13006         (SET_TARGET_NO_SAHF): Likewise.
13007         (TARGET_EXPLICIT_PREFETCH_SSE_P): Likewise.
13008         (SET_TARGET_PREFETCH_SSE): Likewise.
13009         (TARGET_EXPLICIT_NO_TUNE_P): Likewise.
13010         (SET_TARGET_NO_TUNE): Likewise.
13011         (TARGET_EXPLICIT_NO_80387_P): Likewise.
13012         (SET_TARGET_NO_80387): Likewise.
13013         (DEF_PTA): New.
13014         * config/i386/i386.h (TARGET_*): Remove.
13015         * opth-gen.awk: Generate new used macros.
13016
13017 2021-04-21  Martin Liska  <mliska@suse.cz>
13018
13019         * config/i386/i386.h (PTA_*): Remove.
13020         (enum pta_flag): New.
13021         (DEF_PTA): Generate PTA_* values from i386-isa.def.
13022         * config/i386/i386-isa.def: New file.
13023
13024 2021-04-21  Alex Coplan  <alex.coplan@arm.com>
13025
13026         PR target/99988
13027         * config/aarch64/aarch64-bti-insert.c (aarch64_bti_j_insn_p): New.
13028         (rest_of_insert_bti): Avoid inserting duplicate bti j insns for
13029         jump table targets.
13030
13031 2021-04-21  H.J. Lu  <hjl.tools@gmail.com>
13032
13033         * config.gcc: Install mwaitintrin.h for i[34567]86-*-* and
13034         x86_64-*-* targets.
13035         * common/config/i386/i386-common.c (OPTION_MASK_ISA2_MWAIT_SET):
13036         New.
13037         (OPTION_MASK_ISA2_MWAIT_UNSET): Likewise.
13038         (ix86_handle_option): Handle -mmwait.
13039         * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins):
13040         Replace OPTION_MASK_ISA_SSE3 with OPTION_MASK_ISA2_MWAIT on
13041         __builtin_ia32_monitor and __builtin_ia32_mwait.
13042         * config/i386/i386-options.c (isa2_opts): Add -mmwait.
13043         (ix86_valid_target_attribute_inner_p): Likewise.
13044         (ix86_option_override_internal): Enable mwait/monitor
13045         instructions for -msse3.
13046         * config/i386/i386.h (TARGET_MWAIT): New.
13047         (TARGET_MWAIT_P): Likewise.
13048         * config/i386/i386.opt: Add -mmwait.
13049         * config/i386/mwaitintrin.h: New file.
13050         * config/i386/pmmintrin.h: Include <mwaitintrin.h>.
13051         * config/i386/sse.md (sse3_mwait): Replace TARGET_SSE3 with
13052         TARGET_MWAIT.
13053         (@sse3_monitor_<mode>): Likewise.
13054         * config/i386/x86gprintrin.h: Include <mwaitintrin.h>.
13055         * doc/extend.texi: Document mwait target attribute.
13056         * doc/invoke.texi: Document -mmwait.
13057
13058 2021-04-21  Martin Liska  <mliska@suse.cz>
13059
13060         * config/i386/i386-options.c (DEF_ENUM): Remove it.
13061         * config/i386/i386-opts.h (DEF_ENUM): Likewise.
13062         * config/i386/stringop.def (DEF_ENUM): Likewise.
13063
13064 2021-04-21  Martin Liska  <mliska@suse.cz>
13065
13066         * tree-cfg.c (gimple_verify_flow_info): Use qD instead
13067         of print_generic_expr.
13068
13069 2021-04-21  Jakub Jelinek  <jakub@redhat.com>
13070
13071         PR rtl-optimization/100148
13072         * cprop.c (constprop_register): Use next_nondebug_insn instead of
13073         NEXT_INSN.
13074
13075 2021-04-21  Martin Liska  <mliska@suse.cz>
13076
13077         PR ipa/98815
13078         * cgraphunit.c (cgraph_node::analyze): Remove duplicate
13079         free_dominance_info calls.
13080
13081 2021-04-21  Richard Biener  <rguenther@suse.de>
13082
13083         * gimple-fold.c (maybe_fold_reference): Remove is_lhs
13084         parameter (and assume it to be false).
13085         (fold_gimple_assign): Adjust, remove all callers of
13086         maybe_fold_reference calling it with is_lhs true.
13087         (gimple_fold_call): Likewise.
13088         (fold_stmt_1): Likewise.
13089
13090 2021-04-21  Richard Biener  <rguenther@suse.de>
13091
13092         * fold-const.c (pedantic_non_lvalue_loc): Remove.
13093         (fold_binary_loc): Adjust.
13094         (fold_ternary_loc): Likewise.
13095
13096 2021-04-21  Richard Sandiford  <richard.sandiford@arm.com>
13097
13098         PR middle-end/100130
13099         * varasm.c (get_block_for_decl): Make sure that any use of the
13100         retain attribute matches the section's retain flag.
13101         (switch_to_section): Check for retain mismatches even when
13102         changing sections, but do not warn if the given decl is the
13103         section's named.decl.
13104         (output_object_block): Pass the first decl in the block (if any)
13105         to switch_to_section.
13106
13107 2021-04-20  H.J. Lu  <hjl.tools@gmail.com>
13108
13109         * config/i386/i386-c.c (ix86_target_macros_internal): Define
13110         __CRC32__ for -mcrc32.
13111         * config/i386/i386-options.c (ix86_option_override_internal):
13112         Enable crc32 instruction for -msse4.2.
13113         * config/i386/i386.md (sse4_2_crc32<mode>): Remove TARGET_SSE4_2
13114         check.
13115         (sse4_2_crc32di): Likewise.
13116         * config/i386/ia32intrin.h: Use crc32 target option for CRC32
13117         intrinsics.
13118
13119 2021-04-20  Segher Boessenkool  <segher@kernel.crashing.org>
13120
13121         PR target/100108
13122         * config/rs6000/rs6000.c (rs6000_machine_from_flags): Do not consider
13123         OPTION_MASK_ISEL.
13124
13125 2021-04-20  Martin Liska  <mliska@suse.cz>
13126
13127         * doc/invoke.texi: Fix typo.
13128         * params.opt: Likewise.
13129
13130 2021-04-20  Martin Liska  <mliska@suse.cz>
13131
13132         * doc/invoke.texi: Document new param.
13133
13134 2021-04-19  Andrew MacLeod  <amacleod@redhat.com>
13135
13136         PR tree-optimization/100081
13137         * gimple-range-cache.h (ranger_cache): Inherit from gori_compute
13138         rather than gori_compute_cache.
13139         * gimple-range-gori.cc (is_gimple_logical_p): Move to top of file.
13140         (range_def_chain::m_logical_depth): New member.
13141         (range_def_chain::range_def_chain): Initialize m_logical_depth.
13142         (range_def_chain::get_def_chain): Don't build defchains through more
13143         than LOGICAL_LIMIT logical expressions.
13144         * params.opt (param_ranger_logical_depth): New.
13145
13146 2021-04-19  Richard Earnshaw  <rearnsha@arm.com>
13147
13148         PR target/100067
13149         * config/arm/arm.c (arm_configure_build_target): Do not strip
13150         extended FPU/SIMD feature bits from the target ISA when -mfpu
13151         is specified (partial revert of r11-8168).
13152
13153 2021-04-19  Thomas Schwinge  <thomas@codesourcery.com>
13154
13155         * params.opt (-param=openacc-kernels=): Add.
13156         * omp-oacc-kernels-decompose.cc
13157         (pass_omp_oacc_kernels_decompose::gate): Use it.
13158         * doc/invoke.texi (-fopenacc-kernels=@var{mode}): Move...
13159         (--param): ... here, 'openacc-kernels'.
13160
13161 2021-04-19  Martin Liska  <mliska@suse.cz>
13162
13163         PR c/100143
13164         * gengtype.c (finish_root_table): Align function arguments
13165         in between declaration and definition.
13166
13167 2021-04-19  Eric Botcazou  <ebotcazou@adacore.com>
13168
13169         * config/i386/winnt.c (i386_pe_seh_cold_init): Properly deal with
13170         frames larger than the SEH maximum frame size.
13171
13172 2021-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
13173
13174         PR rtl-optimization/99927
13175         * combine.c (distribute_notes) [REG_UNUSED]: If the register already
13176         is dead, just drop it.
13177
13178 2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>
13179
13180         PR d/99914
13181         * config/i386/winnt-d.c (TARGET_D_TEMPLATES_ALWAYS_COMDAT): Define.
13182         * doc/tm.texi: Regenerate.
13183         * doc/tm.texi.in (D language and ABI): Add @hook for
13184         TARGET_D_TEMPLATES_ALWAYS_COMDAT.
13185
13186 2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>
13187
13188         * config/darwin-d.c (darwin_d_handle_target_object_format): New
13189         function.
13190         (darwin_d_register_target_info): New function.
13191         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13192         * config/dragonfly-d.c (dragonfly_d_handle_target_object_format): New
13193         function.
13194         (dragonfly_d_register_target_info): New function.
13195         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13196         * config/freebsd-d.c (freebsd_d_handle_target_object_format): New
13197         function.
13198         (freebsd_d_register_target_info): New function.
13199         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13200         * config/glibc-d.c (glibc_d_handle_target_object_format): New
13201         function.
13202         (glibc_d_register_target_info): New function.
13203         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13204         * config/i386/i386-d.c (ix86_d_handle_target_object_format): New
13205         function.
13206         (ix86_d_register_target_info): Add ix86_d_handle_target_object_format
13207         as handler for objectFormat key.
13208         * config/i386/winnt-d.c (winnt_d_handle_target_object_format): New
13209         function.
13210         (winnt_d_register_target_info): New function.
13211         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13212         * config/netbsd-d.c (netbsd_d_handle_target_object_format): New
13213         function.
13214         (netbsd_d_register_target_info): New function.
13215         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13216         * config/openbsd-d.c (openbsd_d_handle_target_object_format): New
13217         function.
13218         (openbsd_d_register_target_info): New function.
13219         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13220         * config/pa/pa-d.c (pa_d_handle_target_object_format): New function.
13221         (pa_d_register_target_info): Add pa_d_handle_target_object_format as
13222         handler for objectFormat key.
13223         * config/rs6000/rs6000-d.c (rs6000_d_handle_target_object_format): New
13224         function.
13225         (rs6000_d_register_target_info): Add
13226         rs6000_d_handle_target_object_format as handler for objectFormat key.
13227         * config/sol2-d.c (solaris_d_handle_target_object_format): New
13228         function.
13229         (solaris_d_register_target_info): New function.
13230         (TARGET_D_REGISTER_OS_TARGET_INFO): Define.
13231
13232 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
13233
13234         PR target/91710
13235         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Change
13236         abi_break argument from bool * to unsigned *, store there the pre-GCC 9
13237         alignment.
13238         (aarch64_layout_arg, aarch64_gimplify_va_arg_expr): Adjust callers.
13239         (aarch64_function_arg_regno_p): Likewise.  Only emit -Wpsabi note if
13240         the old and new alignment after applying MIN/MAX to it is different.
13241
13242 2021-04-16  Tamar Christina  <tamar.christina@arm.com>
13243
13244         PR target/100048
13245         * config/aarch64/aarch64-sve.md (@aarch64_sve_trn1_conv<mode>): New.
13246         * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_trn): Use new
13247         TRN optab.
13248         * config/aarch64/iterators.md (UNSPEC_TRN1_CONV): New.
13249
13250 2021-04-16  Bill Schmidt  <wschmidt@linux.ibm.com>
13251
13252         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions): Revise
13253         this section and its subsections.
13254
13255 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
13256
13257         PR target/100075
13258         * config/aarch64/aarch64.md (*neg_asr_si2_extr, *extrsi5_insn_di): New
13259         define_insn patterns.
13260
13261 2021-04-16  Richard Sandiford  <richard.sandiford@arm.com>
13262
13263         PR rtl-optimization/98689
13264         * reg-notes.def (UNTYPED_CALL): New note.
13265         * combine.c (distribute_notes): Handle it.
13266         * emit-rtl.c (try_split): Likewise.
13267         * rtlanal.c (rtx_properties::try_to_add_insn): Likewise.  Assume
13268         that calls with the note implicitly set all return value registers.
13269         * builtins.c (expand_builtin_apply): Add a REG_UNTYPED_CALL
13270         to untyped_calls.
13271
13272 2021-04-16  Richard Sandiford  <richard.sandiford@arm.com>
13273
13274         PR rtl-optimization/99596
13275         * rtlanal.c (rtx_properties::try_to_add_insn): Don't add global
13276         register accesses for const calls.  Assume that pure functions
13277         can only read from global registers.  Ignore cases in which
13278         the stack pointer has been marked global.
13279
13280 2021-04-16  Jakub Jelinek  <jakub@redhat.com>
13281
13282         PR target/99767
13283         * tree-vect-loop.c (vect_transform_loop): Don't remove just
13284         dead scalar .MASK_LOAD calls, but also dead .COND_* calls - replace
13285         them by their last argument.
13286
13287 2021-04-15  Martin Liska  <mliska@suse.cz>
13288
13289         * doc/invoke.texi: Other params don't use it, remove it.
13290
13291 2021-04-15  Richard Biener  <rguenther@suse.de>
13292
13293         * gimple-builder.h: Add deprecation note.
13294
13295 2021-04-15  Richard Sandiford  <richard.sandiford@arm.com>
13296
13297         PR c++/98852
13298         * attribs.h (restrict_type_identity_attributes_to): Declare.
13299         * attribs.c (restrict_type_identity_attributes_to): New function.
13300
13301 2021-04-15  Richard Sandiford  <richard.sandiford@arm.com>
13302
13303         PR c/98852
13304         * attribs.h (affects_type_identity_attributes): Declare.
13305         * attribs.c (remove_attributes_matching): New function.
13306         (affects_type_identity_attributes): Likewise.
13307
13308 2021-04-15  Jakub Jelinek  <jakub@redhat.com>
13309
13310         PR target/100056
13311         * config/aarch64/aarch64.md (*<LOGICAL:optab>_<SHIFT:optab><mode>3):
13312         Add combine splitters for *<LOGICAL:optab>_ashl<mode>3 with
13313         ZERO_EXTEND, SIGN_EXTEND or AND.
13314
13315 2021-04-14  Richard Sandiford  <richard.sandiford@arm.com>
13316
13317         PR rtl-optimization/99929
13318         * rtl.h (same_vector_encodings_p): New function.
13319         * cse.c (exp_equiv_p): Check that CONST_VECTORs have the same encoding.
13320         * cselib.c (rtx_equal_for_cselib_1): Likewise.
13321         * jump.c (rtx_renumbered_equal_p): Likewise.
13322         * lra-constraints.c (operands_match_p): Likewise.
13323         * reload.c (operands_match_p): Likewise.
13324         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Likewise.
13325
13326 2021-04-14  Richard Sandiford  <richard.sandiford@arm.com>
13327
13328         * print-rtl.c (rtx_writer::print_rtx_operand_codes_E_and_V): Print
13329         more information about variable-length CONST_VECTORs.
13330
13331 2021-04-14  Vladimir N. Makarov  <vmakarov@redhat.com>
13332
13333         PR rtl-optimization/100066
13334         * lra-constraints.c (split_reg): Check paradoxical_subreg_p for
13335         ordered modes when choosing splitting mode for hard reg.
13336
13337 2021-04-14  Richard Sandiford  <richard.sandiford@arm.com>
13338
13339         PR target/99246
13340         * config/aarch64/aarch64.c (aarch64_expand_sve_const_vector_sel):
13341         New function.
13342         (aarch64_expand_sve_const_vector): Use it for nelts_per_pattern==2.
13343
13344 2021-04-14  Andreas Krebbel  <krebbel@linux.ibm.com>
13345
13346         * config/s390/s390-builtins.def (O_M5, O_M12, ...): Add new macros
13347         for mask operand types.
13348         (s390_vec_permi_s64, s390_vec_permi_b64, s390_vec_permi_u64)
13349         (s390_vec_permi_dbl, s390_vpdi): Use the M5 type for the immediate
13350         operand.
13351         (s390_vec_msum_u128, s390_vmslg): Use the M12 type for the
13352         immediate operand.
13353         * config/s390/s390.c (s390_const_operand_ok): Check the new
13354         operand types and generate a list of valid values.
13355
13356 2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
13357
13358         * doc/tm.texi: Regenerate.
13359         * doc/tm.texi.in (D language and ABI): Add @hook for
13360         TARGET_D_REGISTER_OS_TARGET_INFO.
13361
13362 2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
13363
13364         * config/aarch64/aarch64-d.c (aarch64_d_handle_target_float_abi): New
13365         function.
13366         (aarch64_d_register_target_info): New function.
13367         * config/aarch64/aarch64-protos.h (aarch64_d_register_target_info):
13368         Declare.
13369         * config/aarch64/aarch64.h (TARGET_D_REGISTER_CPU_TARGET_INFO):
13370         Define.
13371         * config/arm/arm-d.c (arm_d_handle_target_float_abi): New function.
13372         (arm_d_register_target_info): New function.
13373         * config/arm/arm-protos.h (arm_d_register_target_info): Declare.
13374         * config/arm/arm.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13375         * config/i386/i386-d.c (ix86_d_handle_target_float_abi): New function.
13376         (ix86_d_register_target_info): New function.
13377         * config/i386/i386-protos.h (ix86_d_register_target_info): Declare.
13378         * config/i386/i386.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13379         * config/mips/mips-d.c (mips_d_handle_target_float_abi): New function.
13380         (mips_d_register_target_info): New function.
13381         * config/mips/mips-protos.h (mips_d_register_target_info): Declare.
13382         * config/mips/mips.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13383         * config/pa/pa-d.c (pa_d_handle_target_float_abi): New function.
13384         (pa_d_register_target_info): New function.
13385         * config/pa/pa-protos.h (pa_d_register_target_info): Declare.
13386         * config/pa/pa.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13387         * config/riscv/riscv-d.c (riscv_d_handle_target_float_abi): New
13388         function.
13389         (riscv_d_register_target_info): New function.
13390         * config/riscv/riscv-protos.h (riscv_d_register_target_info): Declare.
13391         * config/riscv/riscv.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13392         * config/rs6000/rs6000-d.c (rs6000_d_handle_target_float_abi): New
13393         function.
13394         (rs6000_d_register_target_info): New function.
13395         * config/rs6000/rs6000-protos.h (rs6000_d_register_target_info):
13396         Declare.
13397         * config/rs6000/rs6000.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13398         * config/s390/s390-d.c (s390_d_handle_target_float_abi): New function.
13399         (s390_d_register_target_info): New function.
13400         * config/s390/s390-protos.h (s390_d_register_target_info): Declare.
13401         * config/s390/s390.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13402         * config/sparc/sparc-d.c (sparc_d_handle_target_float_abi): New
13403         function.
13404         (sparc_d_register_target_info): New function.
13405         * config/sparc/sparc-protos.h (sparc_d_register_target_info): Declare.
13406         * config/sparc/sparc.h (TARGET_D_REGISTER_CPU_TARGET_INFO): Define.
13407         * doc/tm.texi: Regenerate.
13408         * doc/tm.texi.in (D language and ABI): Add @hook for
13409         TARGET_D_REGISTER_CPU_TARGET_INFO.
13410
13411 2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>
13412
13413         * config/i386/i386-d.c (ix86_d_has_stdcall_convention): New function.
13414         * config/i386/i386-protos.h (ix86_d_has_stdcall_convention): Declare.
13415         * config/i386/i386.h (TARGET_D_HAS_STDCALL_CONVENTION): Define.
13416         * doc/tm.texi: Regenerate.
13417         * doc/tm.texi.in (D language and ABI): Add @hook for
13418         TARGET_D_HAS_STDCALL_CONVENTION.
13419
13420 2021-04-14  Richard Biener  <rguenther@suse.de>
13421
13422         * tree-cfg.c (verify_gimple_assign_ternary): Verify that
13423         VEC_COND_EXPRs have a gimple_val condition.
13424         * tree-ssa-propagate.c (valid_gimple_rhs_p): VEC_COND_EXPR
13425         can no longer have a GENERIC condition.
13426
13427 2021-04-14  Richard Earnshaw  <rearnsha@arm.com>
13428
13429         PR target/100067
13430         * config/arm/arm.c (arm_configure_build_target): Strip isa_all_fpbits
13431         from the isa_delta when -mfpu has been used.
13432         (arm_options_perform_arch_sanity_checks): It's the architecture that
13433         lacks an FPU not the processor.
13434
13435 2021-04-13  Richard Biener  <rguenther@suse.de>
13436
13437         PR tree-optimization/100053
13438         * tree-ssa-sccvn.c (vn_nary_op_get_predicated_value): Do
13439         not use optimistic dominance queries for backedges to validate
13440         predicated values.
13441         (dominated_by_p_w_unex): Add parameter to ignore executable
13442         state on backedges.
13443         (rpo_elim::eliminate_avail): Adjust.
13444
13445 2021-04-13  Jakub Jelinek  <jakub@redhat.com>
13446
13447         PR target/100028
13448         * config/aarch64/aarch64.md (*aarch64_bfxil<mode>_extr,
13449         *aarch64_bfxilsi_extrdi): New define_insn patterns.
13450
13451 2021-04-13  Jakub Jelinek  <jakub@redhat.com>
13452
13453         PR target/99648
13454         * simplify-rtx.c (simplify_immed_subreg): For MODE_COMPOSITE_P
13455         outermode, return NULL if the result doesn't encode back to the
13456         original byte sequence.
13457         (simplify_gen_subreg): Don't create SUBREGs from constants to
13458         MODE_COMPOSITE_P outermode.
13459
13460 2021-04-12  Jakub Jelinek  <jakub@redhat.com>
13461
13462         PR rtl-optimization/99905
13463         * combine.c (expand_compound_operation): If pos + len > modewidth,
13464         perform the right shift by pos in inner_mode and then convert to mode,
13465         instead of trying to simplify a shift of rtx with inner_mode by pos
13466         as if it was a shift in mode.
13467
13468 2021-04-12  Jakub Jelinek  <jakub@redhat.com>
13469
13470         PR debug/99830
13471         * combine.c (simplify_and_const_int_1): Don't optimize varop
13472         away if it has side-effects.
13473
13474 2021-04-12  Martin Liska  <mliska@suse.cz>
13475
13476         * doc/extend.texi: Escape @smallexample content.
13477
13478 2021-04-12  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
13479
13480         * config/s390/s390.md ("*movdi_31", "*movdi_64"): Add
13481           alternative in order to load a DFP zero.
13482
13483 2021-04-12  Martin Liska  <mliska@suse.cz>
13484
13485         * doc/extend.texi: Be more precise in documentation
13486         of symver attribute.
13487
13488 2021-04-12  Martin Liska  <mliska@suse.cz>
13489
13490         PR sanitizer/99877
13491         * gimplify.c (gimplify_expr): Right now, we unpoison all
13492         variables before a goto <dest>. We should not do it if we are
13493         in a omp context.
13494
13495 2021-04-12  Cui,Lili  <lili.cui@intel.com>
13496
13497         * common/config/i386/cpuinfo.h (get_intel_cpu): Handle
13498         rocketlake.
13499         * common/config/i386/i386-common.c (processor_names): Add
13500         rocketlake.
13501         (processor_alias_table): Add rocketlake.
13502         * common/config/i386/i386-cpuinfo.h (processor_subtypes): Add
13503         INTEL_COREI7_ROCKETLAKE.
13504         * config.gcc: Add -march=rocketlake.
13505         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
13506         rocketlake.
13507         * config/i386/i386-options.c (m_ROCKETLAKE)  : Define.
13508         (processor_cost_table): Add rocketlake cost.
13509         * config/i386/i386.h (ix86_size_cost) : Define
13510         TARGET_ROCKETLAKE.
13511         (processor_type) : Add PROCESSOR_ROCKETLAKE.
13512         (PTA_ROCKETLAKE): Ditto.
13513         * doc/extend.texi: Add rocketlake.
13514         * doc/invoke.texi: Add rocketlake.
13515
13516 2021-04-12  Cui,Lili  <lili.cui@intel.com>
13517
13518         * config/i386/i386.h (PTA_ALDERLAKE): Change alderlake ISA list.
13519         * config/i386/i386-options.c (m_CORE_AVX2): Add m_ALDERLAKE.
13520         * common/config/i386/cpuinfo.h (get_intel_cpu): Add AlderLake model.
13521         * doc/invoke.texi: Change alderlake ISA list.
13522
13523 2021-04-11  Hafiz Abid Qadeer  <abidh@codesourcery.com>
13524
13525         PR middle-end/98088
13526         * omp-expand.c (expand_oacc_collapse_init): Update condition in
13527         a gcc_assert.
13528
13529 2021-04-10  H.J. Lu  <hjl.tools@gmail.com>
13530
13531         PR target/99744
13532         * config/i386/serializeintrin.h (_serialize): Defined as macro.
13533
13534 2021-04-10  Jakub Jelinek  <jakub@redhat.com>
13535
13536         PR lto/99849
13537         * expr.c (expand_expr_addr_expr_1): Test is_global_var rather than
13538         just TREE_STATIC on COMPOUND_LITERAL_EXPR_DECLs.
13539
13540 2021-04-10  Jakub Jelinek  <jakub@redhat.com>
13541
13542         PR middle-end/99989
13543         * gimple-ssa-warn-alloca.c
13544         (alloca_type_and_limit::alloca_type_and_limit): Initialize limit to
13545         0 with integer precision unconditionally.
13546
13547 2021-04-10  Jakub Jelinek  <jakub@redhat.com>
13548
13549         PR rtl-optimization/98601
13550         * rtlanal.c (rtx_addr_can_trap_p_1): Allow in assert unknown size
13551         not just for BLKmode, but also for VOIDmode.  For STRICT_ALIGNMENT
13552         unaligned_mems handle VOIDmode like BLKmode.
13553
13554 2021-04-10  Jan Hubicka  <hubicka@ucw.cz>
13555
13556         PR lto/99857
13557         * tree.c (free_lang_data_in_decl): Do not release body of
13558         declare_variant_alt.
13559
13560 2021-04-09  Richard Sandiford  <richard.sandiford@arm.com>
13561
13562         * config/aarch64/aarch64.c (aarch64_option_restore): If the
13563         architecture was specified explicitly and the tuning wasn't,
13564         tune for the architecture rather than the configured default CPU.
13565
13566 2021-04-09  Richard Sandiford  <richard.sandiford@arm.com>
13567
13568         * config/aarch64/aarch64.md (tlsdesc_small_sve_<mode>): Use X30
13569         as the temporary register.
13570
13571 2021-04-09  Martin Liska  <mliska@suse.cz>
13572
13573         * doc/extend.texi: Move non-target attributes on the top level.
13574
13575 2021-04-09  Martin Liska  <mliska@suse.cz>
13576
13577         * doc/invoke.texi: Document minimum and maximum value of the
13578         argument for both supported compression algorithms.
13579
13580 2021-04-08  David Edelsohn  <dje.gcc@gmail.com>
13581
13582         * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Select
13583         TLS BSS before TLS data.
13584         * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .comm.
13585
13586 2021-04-08  Richard Sandiford  <richard.sandiford@arm.com>
13587
13588         * doc/sourcebuild.texi (stdint_types_mbig_endian): Document.
13589
13590 2021-04-08  Richard Sandiford  <richard.sandiford@arm.com>
13591
13592         * match.pd: Extend vec_cond folds to handle shifts.
13593
13594 2021-04-08  Maciej W. Rozycki  <macro@orcam.me.uk>
13595
13596         * config/vax/vax.md: Fix comment for `*bit<mode>' pattern's
13597         peephole.
13598
13599 2021-04-08  Alex Coplan  <alex.coplan@arm.com>
13600
13601         PR target/99647
13602         * config/arm/iterators.md (MVE_vecs): New.
13603         (V_elem): Also handle V2DF.
13604         * config/arm/mve.md (*mve_mov<mode>): Rename to ...
13605         (*mve_vdup<mode>): ... this. Remove second alternative since
13606         vec_duplicate of const_int is not canonical RTL, and we don't
13607         want to match symbol_refs.
13608         (*mve_vec_duplicate<mode>): Delete (pattern is redundant).
13609
13610 2021-04-08  Xionghu Luo  <luoxhu@linux.ibm.com>
13611
13612         * fold-const.c (fold_single_bit_test): Fix typo.
13613         * print-rtl.c (print_rtx_insn_vec): Call print_rtl_single
13614         instead.
13615
13616 2021-04-07  Richard Sandiford  <richard.sandiford@arm.com>
13617
13618         PR tree-optimization/97513
13619         * tree-vect-slp.c (vect_add_slp_permutation): New function,
13620         split out from...
13621         (vectorizable_slp_permutation): ...here.  Detect cases in which
13622         all VEC_PERM_EXPRs are guaranteed to have the same stepped
13623         permute vector and only generate one permute vector for that case.
13624         Extend that case to handle variable-length vectors.
13625
13626 2021-04-07  Richard Sandiford  <richard.sandiford@arm.com>
13627
13628         PR tree-optimization/99873
13629         * tree-vect-slp.c (vect_slp_prefer_store_lanes_p): New function.
13630         (vect_build_slp_instance): Don't split store groups that could
13631         use IFN_STORE_LANES.
13632
13633 2021-04-07  Jakub Jelinek  <jakub@redhat.com>
13634
13635         PR target/99872
13636         * varasm.c (output_constant_pool_contents): Don't strip name encoding
13637         from XSTR (desc->sym, 0) or from label before passing those to
13638         ASM_OUTPUT_DEF.
13639
13640 2021-04-07  Richard Biener  <rguenther@suse.de>
13641
13642         PR tree-optimization/99954
13643         * tree-loop-distribution.c: Include tree-affine.h.
13644         (generate_memcpy_builtin): Try using tree-affine to prove
13645         non-overlap.
13646         (loop_distribution::classify_builtin_ldst): Always classify
13647         as PKIND_MEMMOVE.
13648
13649 2021-04-07  Richard Biener  <rguenther@suse.de>
13650
13651         PR tree-optimization/99947
13652         * tree-vect-loop.c (vectorizable_induction): Pre-allocate
13653         steps vector to avoid pushing elements from the reallocated
13654         vector.
13655
13656 2021-04-07  Richard Biener  <rguenther@suse.de>
13657
13658         * tree-ssa-sccvn.h (print_vn_reference_ops): Declare.
13659         * tree-ssa-pre.c (print_pre_expr): Factor out VN reference operand
13660         printing...
13661         * tree-ssa-sccvn.c (print_vn_reference_ops): ... into this new
13662         function.
13663         (debug_vn_reference_ops): New.
13664
13665 2021-04-07  Bin Cheng  <bin.cheng@linux.alibaba.com>
13666
13667         PR tree-optimization/98736
13668         * tree-loop-distribution.c
13669         * (loop_distribution::bb_top_order_init):
13670         Compute RPO with programing order preserved by calling function
13671         rev_post_order_and_mark_dfs_back_seme.
13672
13673 2021-04-06  Vladimir N. Makarov  <vmakarov@redhat.com>
13674
13675         PR target/99781
13676         * lra-constraints.c (split_reg): Don't check paradoxical_subreg_p.
13677         * lra-lives.c (clear_sparseset_regnos, regnos_in_sparseset_p): New
13678         functions.
13679         (process_bb_lives): Don't update biggest mode of hard reg for
13680         implicit in multi-register group.  Use the new functions for
13681         updating dead_set and unused_set by register notes.
13682
13683 2021-04-06  Xianmiao Qu  <xianmiao_qu@c-sky.com>
13684
13685         * config/csky/csky_pipeline_ck802.md : Use insn reservation name
13686         instead of *.
13687
13688 2021-04-06  H.J. Lu  <hjl.tools@gmail.com>
13689
13690         * config/i386/x86-tune-costs.h (skylake_memcpy): Updated.
13691         (skylake_memset): Likewise.
13692         (skylake_cost): Change CLEAR_RATIO to 17.
13693         * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
13694         Replace m_CANNONLAKE, m_ICELAKE_CLIENT, m_ICELAKE_SERVER,
13695         m_TIGERLAKE and m_SAPPHIRERAPIDS with m_SKYLAKE and m_CORE_AVX512.
13696
13697 2021-04-06  Richard Biener  <rguenther@suse.de>
13698
13699         PR tree-optimization/99880
13700         * tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
13701         set vectorized defs of relevant PHIs.
13702
13703 2021-04-06  Richard Biener  <rguenther@suse.de>
13704
13705         PR tree-optimization/99924
13706         * tree-vect-slp.c (vect_bb_partition_graph_r): Do not mark
13707         nodes w/o scalar stmts as visited.
13708
13709 2021-04-06  Alex Coplan  <alex.coplan@arm.com>
13710
13711         PR target/99748
13712         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Also use base
13713         PCS for [su]fix_optab.
13714
13715 2021-04-03  Iain Sandoe  <iain@sandoe.co.uk>
13716
13717         * config/darwin.c (machopic_legitimize_pic_address): Check
13718         that the current pic register is one of the hard reg set
13719         before setting liveness.
13720
13721 2021-04-03  Iain Sandoe  <iain@sandoe.co.uk>
13722
13723         * config/darwin.c (machopic_legitimize_pic_address): Fix
13724         whitespace, remove unused code.
13725
13726 2021-04-03  Jakub Jelinek  <jakub@redhat.com>
13727
13728         PR tree-optimization/99882
13729         * gimple-ssa-store-merging.c (bswap_view_convert): Handle val with
13730         pointer type.
13731
13732 2021-04-03  Jakub Jelinek  <jakub@redhat.com>
13733
13734         PR rtl-optimization/99863
13735         * dse.c (replace_read): Drop regs_live argument.  Instead of
13736         regs_live, use store_insn->fixed_regs_live if non-NULL,
13737         otherwise punt if insns sequence clobbers or sets any hard
13738         registers.
13739
13740 2021-04-03  Jakub Jelinek  <jakub@redhat.com>
13741
13742         PR testsuite/98125
13743         * targhooks.h (default_print_patchable_function_entry_1): Declare.
13744         * targhooks.c (default_print_patchable_function_entry_1): New function,
13745         copied from default_print_patchable_function_entry with an added flags
13746         argument.
13747         (default_print_patchable_function_entry): Rewritten into a small
13748         wrapper around default_print_patchable_function_entry_1.
13749         * config/rs6000/rs6000.c (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
13750         Redefine.
13751         (rs6000_print_patchable_function_entry): New function.
13752
13753 2021-04-02  Eric Botcazou  <ebotcazou@adacore.com>
13754
13755         * doc/invoke.texi (fdelete-dead-exceptions): Minor tweak.
13756
13757 2021-04-01  Jason Merrill  <jason@redhat.com>
13758
13759         PR c++/98481
13760         * common.opt: Document v15 and v16.
13761
13762 2021-04-01  Richard Biener  <rguenther@suse.de>
13763
13764         PR tree-optimization/99863
13765         * gimplify.c (gimplify_init_constructor): Recompute vector
13766         constructor flags.
13767
13768 2021-04-01  Jakub Jelinek  <jakub@redhat.com>
13769
13770         * doc/extend.texi (symver attribute): Fix up syntax errors
13771         in the examples.
13772
13773 2021-04-01  Jakub Jelinek  <jakub@redhat.com>
13774
13775         PR tree-optimization/96573
13776         * gimple-ssa-store-merging.c (init_symbolic_number): Handle
13777         also pointer types.
13778
13779 2021-04-01  Richard Biener  <rguenther@suse.de>
13780
13781         PR tree-optimization/99856
13782         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Promote
13783         precision to vector element precision.
13784
13785 2021-04-01  Martin Jambor  <mjambor@suse.cz>
13786
13787         PR tree-optimization/97009
13788         * tree-sra.c (access_or_its_child_written): New function.
13789         (propagate_subaccesses_from_rhs): Use it instead of a simple grp_write
13790         test.
13791
13792 2021-03-31  Jan Hubicka  <hubicka@ucw.cz>
13793
13794         PR ipa/98265
13795         * cif-code.def (USES_COMDAT_LOCAL): Make CIF_FINAL_NORMAL.
13796
13797 2021-03-31  Pat Haugen  <pthaugen@linux.ibm.com>
13798
13799         PR target/99133
13800         * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
13801         xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
13802         xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed.
13803         * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
13804         mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
13805         mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
13806         Likewise.
13807         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Adjust test.
13808         * config/rs6000/rs6000.md (define_attr "maybe_prefixed"): New.
13809         (define_attr "prefixed"): Update initializer.
13810
13811 2021-03-31  Jakub Jelinek  <jakub@redhat.com>
13812
13813         PR debug/99490
13814         * dwarf2out.c (debug_ranges_dwo_section): New variable.
13815         (DW_RANGES_IDX_SKELETON): Define.
13816         (struct dw_ranges): Add begin_entry and end_entry members.
13817         (DEBUG_DWO_RNGLISTS_SECTION): Define.
13818         (add_ranges_num): Adjust r initializer for addition of *_entry
13819         members.
13820         (add_ranges_by_labels): For -gsplit-dwarf and force_direct,
13821         set idx to DW_RANGES_IDX_SKELETON.
13822         (use_distinct_base_address_for_range): New function.
13823         (index_rnglists): Don't set r->idx if it is equal to
13824         DW_RANGES_IDX_SKELETON.  Initialize r->begin_entry and
13825         r->end_entry for -gsplit-dwarf if those will be needed by
13826         output_rnglists.
13827         (output_rnglists): Add DWO argument.  If true, switch to
13828         debug_ranges_dwo_section rather than debug_ranges_section.
13829         Adjust l1/l2 label indexes.  Only output the offset table when
13830         dwo is true and don't include in there the skeleton range
13831         entry if present.  For -gsplit-dwarf, skip ranges that belong
13832         to the other rnglists section.  Change return type from void
13833         to bool and return true if there are any range entries for
13834         the other section.  For dwarf_split_debug_info use
13835         DW_RLE_startx_endx, DW_RLE_startx_length and DW_RLE_base_addressx
13836         entries instead of DW_RLE_start_end, DW_RLE_start_length and
13837         DW_RLE_base_address.  Use use_distinct_base_address_for_range.
13838         (init_sections_and_labels): Initialize debug_ranges_dwo_section
13839         if -gsplit-dwarf and DWARF >= 5.  Adjust ranges_section_label
13840         and range_base_label indexes.
13841         (dwarf2out_finish): Call index_rnglists earlier before finalizing
13842         .debug_addr.  Never emit DW_AT_rnglists_base attribute.  For
13843         -gsplit-dwarf and DWARF >= 5 call output_rnglists up to twice
13844         with different dwo arguments.
13845         (dwarf2out_c_finalize): Clear debug_ranges_dwo_section.
13846
13847 2021-03-31  Richard Sandiford  <richard.sandiford@arm.com>
13848
13849         PR tree-optimization/98268
13850         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Call
13851         recompute_tree_invariant_for_addr_expr after successfully
13852         folding a TARGET_MEM_REF that occurs inside an ADDR_EXPR.
13853
13854 2021-03-31  Richard Sandiford  <richard.sandiford@arm.com>
13855
13856         PR tree-optimization/99726
13857         * tree-data-ref.c (create_intersect_range_checks_index): Bail
13858         out if there is more than one access function SCEV for the loop
13859         being versioned.
13860
13861 2021-03-31  Richard Sandiford  <richard.sandiford@arm.com>
13862
13863         PR rtl-optimization/97141
13864         PR rtl-optimization/98726
13865         * emit-rtl.c (valid_for_const_vector_p): Return true for
13866         CONST_POLY_INT_P.
13867         * rtx-vector-builder.h (rtx_vector_builder::step): Return a
13868         poly_wide_int instead of a wide_int.
13869         (rtx_vector_builder::apply_set): Take a poly_wide_int instead
13870         of a wide_int.
13871         * rtx-vector-builder.c (rtx_vector_builder::apply_set): Likewise.
13872         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p): Return
13873         false for CONST_VECTORs that cannot be forced to memory.
13874         * config/aarch64/aarch64-simd.md (mov<mode>): If a CONST_VECTOR
13875         is too complex to force to memory, build it up from individual
13876         elements instead.
13877
13878 2021-03-31  Jan Hubicka  <jh@suse.cz>
13879
13880         PR lto/99447
13881         * cgraph.c (cgraph_node::release_body): Fix overactive check.
13882
13883 2021-03-31  Christophe Lyon  <christophe.lyon@linaro.org>
13884
13885         PR target/99786
13886         * config/arm/vec-common.md (mul<mode>3): Disable on iwMMXT, expect
13887         for V4HI and V2SI.
13888
13889 2021-03-31  H.J. Lu  <hjl.tools@gmail.com>
13890
13891         * config/i386/i386-expand.c (expand_set_or_cpymem_via_rep):
13892         For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, don't convert QImode
13893         to SImode.
13894         (decide_alg): For TARGET_PREFER_KNOWN_REP_MOVSB_STOSB, use
13895         "rep movsb/stosb" only for known sizes.
13896         * config/i386/i386-options.c (processor_cost_table): Use Ice
13897         Lake cost for Cannon Lake, Ice Lake, Tiger Lake, Sapphire
13898         Rapids and Alder Lake.
13899         * config/i386/i386.h (TARGET_PREFER_KNOWN_REP_MOVSB_STOSB): New.
13900         * config/i386/x86-tune-costs.h (icelake_memcpy): New.
13901         (icelake_memset): Likewise.
13902         (icelake_cost): Likewise.
13903         * config/i386/x86-tune.def (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
13904         New.
13905
13906 2021-03-31  Richard Sandiford  <richard.sandiford@arm.com>
13907
13908         PR target/98119
13909         * config/aarch64/aarch64.c
13910         (aarch64_vectorize_preferred_vector_alignment): Query the size
13911         of the provided SVE vector; do not assume that all SVE vectors
13912         have the same size.
13913
13914 2021-03-31  Jan Hubicka  <jh@suse.cz>
13915
13916         PR lto/99447
13917         * cgraph.c (cgraph_node::release_body): Remove all callers and
13918         references.
13919         * cgraphclones.c (cgraph_node::materialize_clone): Do not do it here.
13920         * cgraphunit.c (cgraph_node::expand): And here.
13921
13922 2021-03-31  Martin Liska  <mliska@suse.cz>
13923
13924         * ipa-modref.c (analyze_ssa_name_flags): Fix coding style
13925         and one negated condition.
13926
13927 2021-03-31  Jakub Jelinek  <jakub@redhat.com>
13928             Richard Sandiford  <richard.sandiford@arm.com>
13929
13930         PR target/99813
13931         * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and Uav
13932         constraints on operands[2] and similarly 0 and rk constraints
13933         on operands[1] corresponding to that.
13934
13935 2021-03-31  Jakub Jelinek  <jakub@redhat.com>
13936
13937         PR bootstrap/98860
13938         * configure.ac (HAVE_LD_BROKEN_PE_DWARF5): New AC_DEFINE if PECOFF
13939         linker doesn't support DWARF sections new in DWARF5.
13940         * config/i386/i386-options.c (ix86_option_override_internal): Default
13941         to dwarf_version 4 if HAVE_LD_BROKEN_PE_DWARF5 for TARGET_PECOFF
13942         targets.
13943         * config.in: Regenerated.
13944         * configure: Regenerated.
13945
13946 2021-03-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13947
13948         PR target/99820
13949         * config/aarch64/aarch64.c (aarch64_analyze_loop_vinfo): Check for
13950         available issue_info before using it.
13951
13952 2021-03-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13953
13954         PR target/99822
13955         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): Do not allow zero
13956         in operand 1.
13957
13958 2021-03-30  Xionghu Luo  <luoxhu@linux.ibm.com>
13959
13960         PR target/99718
13961         * config/rs6000/altivec.md (altivec_lvsl_reg): Change to ...
13962         (altivec_lvsl_reg_<mode>): ... this.
13963         (altivec_lvsr_reg): Change to ...
13964         (altivec_lvsr_reg_<mode>): ... this.
13965         * config/rs6000/predicates.md (vec_set_index_operand): New.
13966         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
13967         Enable 32bit variable vec_insert for all TARGET_VSX.
13968         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
13969         Enable 32bit variable vec_insert for p9 and above.
13970         (rs6000_expand_vector_set_var_p8): Rename to ...
13971         (rs6000_expand_vector_set_var_p7): ... this.
13972         (rs6000_expand_vector_set): Use TARGET_VSX and adjust assert
13973         position.
13974         * config/rs6000/vector.md (vec_set<mode>): Use vec_set_index_operand.
13975         * config/rs6000/vsx.md (xl_len_r): Use gen_altivec_lvsl_reg_di and
13976         gen_altivec_lvsr_reg_di.
13977
13978 2021-03-30  H.J. Lu  <hjl.tools@gmail.com>
13979
13980         PR target/99744
13981         * config/i386/ia32intrin.h (__rdtsc): Defined as macro.
13982         (__rdtscp): Likewise.
13983
13984 2021-03-30  Tamar Christina  <tamar.christina@arm.com>
13985
13986         PR tree-optimization/99825
13987         * tree-vect-slp-patterns.c (vect_check_evenodd_blend):
13988         Reject non-mult 2 lanes.
13989
13990 2021-03-30  Richard Earnshaw  <rearnsha@arm.com>
13991
13992         PR target/99773
13993         * config/arm/arm.c (arm_file_start): Fix emission of
13994         Tag_ABI_VFP_args attribute.
13995
13996 2021-03-30  Richard Biener  <rguenther@suse.de>
13997
13998         PR tree-optimization/99824
13999         * stor-layout.c (set_min_and_max_values_for_integral_type):
14000         Assert the precision is within the bounds of
14001         WIDE_INT_MAX_PRECISION.
14002         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Use
14003         the outermost component ref only to lower the access size
14004         and initialize that from the access type.
14005
14006 2021-03-30  Richard Sandiford  <richard.sandiford@arm.com>
14007
14008         PR target/98136
14009         * config/aarch64/aarch64.md (mov<mode>): Pass multi-instruction
14010         CONST_INTs to aarch64_expand_mov_immediate when called after RA.
14011
14012 2021-03-30  Mihailo Stojanovic  <mihailo.stojanovic@typhoon-hil.com>
14013
14014         * config/aarch64/aarch64.md
14015         (<optab>_trunc<fcvt_target><GPI:mode>2): Set the "arch"
14016         attribute to disambiguate between SIMD and FP variants of the
14017         instruction.
14018
14019 2021-03-29  Jan Hubicka  <hubicka@ucw.cz>
14020
14021         * ipa-modref.c (merge_call_lhs_flags): Correct handling of deref.
14022         (analyze_ssa_name_flags): Fix typo in comment.
14023
14024 2021-03-29  Alex Coplan  <alex.coplan@arm.com>
14025
14026         PR target/99216
14027         * config/aarch64/aarch64-sve-builtins.cc
14028         (function_builder::add_function): Add placeholder_p argument, use
14029         placeholder decls if this is set.
14030         (function_builder::add_unique_function): Instead of conditionally adding
14031         direct overloads, unconditionally add either a direct overload or a
14032         placeholder.
14033         (function_builder::add_overloaded_function): Set placeholder_p if we're
14034         using C++ overloads. Use the obstack for string storage instead
14035         of relying on the tree nodes.
14036         (function_builder::add_overloaded_functions): Don't return early for
14037         m_direct_overloads: we need to add placeholders.
14038         * config/aarch64/aarch64-sve-builtins.h
14039         (function_builder::add_function): Add placeholder_p argument.
14040
14041 2021-03-29  Richard Biener  <rguenther@suse.de>
14042
14043         PR tree-optimization/99807
14044         * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Move
14045         assert below VEC_PERM handling.
14046
14047 2021-03-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14048
14049         PR target/99037
14050         * config/aarch64/aarch64-simd.md (move_lo_quad_internal_<mode>): Use
14051         aarch64_simd_or_scalar_imm_zero to match zeroes.  Remove pattern
14052         matching const_int 0.
14053         (move_lo_quad_internal_be_<mode>): Likewise.
14054         (move_lo_quad_<mode>): Update for the above.
14055         * config/aarch64/iterators.md (VQ_2E): Delete.
14056
14057 2021-03-29  Jakub Jelinek  <jakub@redhat.com>
14058
14059         PR tree-optimization/99777
14060         * fold-const.c (extract_muldiv_1): For conversions, punt on casts from
14061         types other than scalar integral types.
14062
14063 2021-03-28  David Edelsohn  <dje.gcc@gmail.com>
14064
14065         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Do not add
14066         XCOFF TLS reloc decorations.
14067
14068 2021-03-28  Gerald Pfeifer  <gerald@pfeifer.com>
14069
14070         * doc/analyzer.texi (Analyzer Internals): Update link to
14071         "A Memory Model for Static Analysis of C Programs".
14072
14073 2021-03-26  David Edelsohn  <dje.gcc@gmail.com>
14074
14075         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Call function.
14076         * config/rs6000/rs6000-protos.h (rs6000_special_adjust_field_align):
14077         Declare.
14078         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align): New.
14079         (rs6000_special_round_type_align): Recursively check innermost first
14080         field.
14081
14082 2021-03-26  Jakub Jelinek  <jakub@redhat.com>
14083
14084         PR debug/99334
14085         * dwarf2out.h (struct dw_fde_node): Add rule18 member.
14086         * dwarf2cfi.c (dwarf2out_frame_debug_expr): When handling (set hfp sp)
14087         assignment with drap_reg active, queue reg save for hfp with offset 0
14088         and flush queued reg saves.  When handling a push with rule18,
14089         defer queueing reg save for hfp and just assert the offset is 0.
14090         (scan_trace): Assert that fde->rule18 is false.
14091
14092 2021-03-26  Vladimir Makarov  <vmakarov@redhat.com>
14093
14094         PR target/99766
14095         * ira-costs.c (record_reg_classes): Put case with
14096         CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
14097         * ira.c (ira_setup_alts): Ditto.
14098         * lra-constraints.c (process_alt_operands): Ditto.
14099         * recog.c (asm_operand_ok): Ditto.
14100         * reload.c (find_reloads): Ditto.
14101
14102 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14103
14104         * config/aarch64/aarch64-protos.h
14105         (cpu_addrcost_table::post_modify_ld3_st3): New member variable.
14106         (cpu_addrcost_table::post_modify_ld4_st4): Likewise.
14107         * config/aarch64/aarch64.c (generic_addrcost_table): Update
14108         accordingly, using the same costs as for post_modify.
14109         (exynosm1_addrcost_table, xgene1_addrcost_table): Likewise.
14110         (thunderx2t99_addrcost_table, thunderx3t110_addrcost_table):
14111         (tsv110_addrcost_table, qdf24xx_addrcost_table): Likewise.
14112         (a64fx_addrcost_table): Likewise.
14113         (neoversev1_addrcost_table): New.
14114         (neoversev1_tunings): Use neoversev1_addrcost_table.
14115         (aarch64_address_cost): Use the new post_modify costs for CImode
14116         and XImode.
14117
14118 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14119
14120         * config/aarch64/aarch64.opt
14121         (-param=aarch64-loop-vect-issue-rate-niters=): New parameter.
14122         * doc/invoke.texi: Document it.
14123         * config/aarch64/aarch64-protos.h (aarch64_base_vec_issue_info)
14124         (aarch64_scalar_vec_issue_info, aarch64_simd_vec_issue_info)
14125         (aarch64_advsimd_vec_issue_info, aarch64_sve_vec_issue_info)
14126         (aarch64_vec_issue_info): New structures.
14127         (cpu_vector_cost): Write comments above the variables rather
14128         than to the side.
14129         (cpu_vector_cost::issue_info): New member variable.
14130         * config/aarch64/aarch64.c: Include gimple-pretty-print.h
14131         and tree-ssa-loop-niter.h.
14132         (generic_vector_cost, a64fx_vector_cost, qdf24xx_vector_cost)
14133         (thunderx_vector_cost, tsv110_vector_cost, cortexa57_vector_cost)
14134         (exynosm1_vector_cost, xgene1_vector_cost, thunderx2t99_vector_cost)
14135         (thunderx3t110_vector_cost): Initialize issue_info to null.
14136         (neoversev1_scalar_issue_info, neoversev1_advsimd_issue_info)
14137         (neoversev1_sve_issue_info, neoversev1_vec_issue_info): New structures.
14138         (neoversev1_vector_cost): Use them.
14139         (aarch64_vec_op_count, aarch64_sve_op_count): New structures.
14140         (aarch64_vector_costs::saw_sve_only_op): New member variable.
14141         (aarch64_vector_costs::num_vector_iterations): Likewise.
14142         (aarch64_vector_costs::scalar_ops): Likewise.
14143         (aarch64_vector_costs::advsimd_ops): Likewise.
14144         (aarch64_vector_costs::sve_ops): Likewise.
14145         (aarch64_vector_costs::seen_loads): Likewise.
14146         (aarch64_simd_vec_costs_for_flags): New function.
14147         (aarch64_analyze_loop_vinfo): Initialize num_vector_iterations.
14148         Count the number of predicate operations required by SVE WHILE
14149         instructions.
14150         (aarch64_comparison_type, aarch64_multiply_add_p): New functions.
14151         (aarch64_sve_only_stmt_p, aarch64_in_loop_reduction_latency): Likewise.
14152         (aarch64_count_ops): Likewise.
14153         (aarch64_add_stmt_cost): Record whether see an SVE operation
14154         that cannot currently be implementing using Advanced SIMD.
14155         Record issue information about the scalar, Advanced SIMD
14156         and (where relevant) SVE versions of a loop.
14157         (aarch64_vec_op_count::dump): New function.
14158         (aarch64_sve_op_count::dump): Likewise.
14159         (aarch64_estimate_min_cycles_per_iter): Likewise.
14160         (aarch64_adjust_body_cost): If issue information is available,
14161         try to compare the issue rates of the various loop implementations
14162         and increase or decrease the vector body cost accordingly.
14163
14164 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14165
14166         * config/aarch64/aarch64.c (aarch64_detect_vector_stmt_subtype):
14167         Assume a zero cost for induction phis.
14168
14169 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14170
14171         * config/aarch64/aarch64.c (aarch64_embedded_comparison_type): New
14172         function.
14173         (aarch64_adjust_stmt_cost): Add the costs of embedded scalar and
14174         vector comparisons.
14175
14176 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14177
14178         * config/aarch64/aarch64.c (aarch64_detect_scalar_stmt_subtype):
14179         New function.
14180         (aarch64_add_stmt_cost): Call it.
14181
14182 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14183
14184         * config/aarch64/aarch64-tuning-flags.def (matched_vector_throughput):
14185         New tuning parameter.
14186         * config/aarch64/aarch64.c (neoversev1_tunings): Use it.
14187         (aarch64_estimated_sve_vq): New function.
14188         (aarch64_vector_costs::analyzed_vinfo): New member variable.
14189         (aarch64_vector_costs::is_loop): Likewise.
14190         (aarch64_vector_costs::unrolled_advsimd_niters): Likewise.
14191         (aarch64_vector_costs::unrolled_advsimd_stmts): Likewise.
14192         (aarch64_record_potential_advsimd_unrolling): New function.
14193         (aarch64_analyze_loop_vinfo, aarch64_analyze_bb_vinfo): Likewise.
14194         (aarch64_add_stmt_cost): Call aarch64_analyze_loop_vinfo or
14195         aarch64_analyze_bb_vinfo on the first use of a costs structure.
14196         Detect whether we're vectorizing a loop for SVE that might be
14197         completely unrolled if it used Advanced SIMD instead.
14198         (aarch64_adjust_body_cost_for_latency): New function.
14199         (aarch64_finish_cost): Call it.
14200
14201 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14202
14203         * config/aarch64/aarch64.c (aarch64_vector_costs): New structure.
14204         (aarch64_init_cost): New function.
14205         (aarch64_add_stmt_cost): Use aarch64_vector_costs instead of
14206         the default unsigned[3].
14207         (aarch64_finish_cost, aarch64_destroy_cost_data): New functions.
14208         (TARGET_VECTORIZE_INIT_COST): Override.
14209         (TARGET_VECTORIZE_FINISH_COST): Likewise.
14210         (TARGET_VECTORIZE_DESTROY_COST_DATA): Likewise.
14211
14212 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14213
14214         * config/aarch64/aarch64.c (neoversev1_advsimd_vector_cost)
14215         (neoversev1_sve_vector_cost): New cost structures.
14216         (neoversev1_vector_cost): Likewise.
14217         (neoversev1_tunings): Use them.  Enable use_new_vector_costs.
14218
14219 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14220
14221         * config/aarch64/aarch64-protos.h
14222         (sve_vec_cost::scatter_store_elt_cost): New member variable.
14223         * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
14224         accordingly, taking the cost from the cost of a scalar_store.
14225         (a64fx_sve_vector_cost): Likewise.
14226         (aarch64_detect_vector_stmt_subtype): Detect scatter stores.
14227
14228 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14229
14230         * config/aarch64/aarch64-protos.h
14231         (simd_vec_cost::store_elt_extra_cost): New member variable.
14232         * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14233         accordingly, using the vec_to_scalar cost for the new field.
14234         (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14235         (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14236         (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14237         (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14238         (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14239         (thunderx3t110_advsimd_vector_cost): Likewise.
14240         (aarch64_detect_vector_stmt_subtype): Detect single-element stores.
14241
14242 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14243
14244         * config/aarch64/aarch64-protos.h (simd_vec_cost::ld2_st2_permute_cost)
14245         (simd_vec_cost::ld3_st3_permute_cost): New member variables.
14246         (simd_vec_cost::ld4_st4_permute_cost): Likewise.
14247         * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14248         accordingly, using zero for the new costs.
14249         (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14250         (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14251         (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14252         (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14253         (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14254         (thunderx3t110_advsimd_vector_cost): Likewise.
14255         (aarch64_ld234_st234_vectors): New function.
14256         (aarch64_adjust_stmt_cost): Likewise.
14257         (aarch64_add_stmt_cost): Call aarch64_adjust_stmt_cost if using
14258         the new vector costs.
14259
14260 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14261
14262         * config/aarch64/aarch64-protos.h (sve_vec_cost): Turn into a
14263         derived class of simd_vec_cost.  Add information about CLAST[AB]
14264         and FADDA instructions.
14265         * config/aarch64/aarch64.c (generic_sve_vector_cost): Update
14266         accordingly, using the vec_to_scalar costs for the new fields.
14267         (a64fx_sve_vector_cost): Likewise.
14268         (aarch64_reduc_type): New function.
14269         (aarch64_sve_in_loop_reduction_latency): Likewise.
14270         (aarch64_detect_vector_stmt_subtype): Take a vinfo parameter.
14271         Use aarch64_sve_in_loop_reduction_latency to handle SVE reductions
14272         that occur in the loop body.
14273         (aarch64_add_stmt_cost): Update call accordingly.
14274
14275 2021-03-26  Richard Sandiford  <richard.sandiford@arm.com>
14276
14277         * config/aarch64/aarch64-tuning-flags.def (use_new_vector_costs):
14278         New tuning flag.
14279         * config/aarch64/aarch64-protos.h (simd_vec_cost): Put comments
14280         above the fields rather than to the right.
14281         (simd_vec_cost::reduc_i8_cost): New member variable.
14282         (simd_vec_cost::reduc_i16_cost): Likewise.
14283         (simd_vec_cost::reduc_i32_cost): Likewise.
14284         (simd_vec_cost::reduc_i64_cost): Likewise.
14285         (simd_vec_cost::reduc_f16_cost): Likewise.
14286         (simd_vec_cost::reduc_f32_cost): Likewise.
14287         (simd_vec_cost::reduc_f64_cost): Likewise.
14288         * config/aarch64/aarch64.c (generic_advsimd_vector_cost): Update
14289         accordingly, using the vec_to_scalar_cost for the new fields.
14290         (generic_sve_vector_cost, a64fx_advsimd_vector_cost): Likewise.
14291         (a64fx_sve_vector_cost, qdf24xx_advsimd_vector_cost): Likewise.
14292         (thunderx_advsimd_vector_cost, tsv110_advsimd_vector_cost): Likewise.
14293         (cortexa57_advsimd_vector_cost, exynosm1_advsimd_vector_cost)
14294         (xgene1_advsimd_vector_cost, thunderx2t99_advsimd_vector_cost)
14295         (thunderx3t110_advsimd_vector_cost): Likewise.
14296         (aarch64_use_new_vector_costs_p): New function.
14297         (aarch64_simd_vec_costs): New function, split out from...
14298         (aarch64_builtin_vectorization_cost): ...here.
14299         (aarch64_is_reduction): New function.
14300         (aarch64_detect_vector_stmt_subtype): Likewise.
14301         (aarch64_add_stmt_cost): Call aarch64_detect_vector_stmt_subtype if
14302         using the new vector costs.
14303
14304 2021-03-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14305
14306         PR ipa/99466
14307         * tree-emutls.c (get_emutls_init_templ_addr): Mark initializer of weak
14308         TLS declarations as public.
14309
14310 2021-03-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14311
14312         * config/aarch64/aarch64-d.c (IN_TARGET_CODE): Define.
14313         * config/arm/arm-d.c (IN_TARGET_CODE): Likewise.
14314         * config/i386/i386-d.c (IN_TARGET_CODE): Likewise.
14315         * config/mips/mips-d.c (IN_TARGET_CODE): Likewise.
14316         * config/pa/pa-d.c (IN_TARGET_CODE): Likewise.
14317         * config/riscv/riscv-d.c (IN_TARGET_CODE): Likewise.
14318         * config/rs6000/rs6000-d.c (IN_TARGET_CODE): Likewise.
14319         * config/s390/s390-d.c (IN_TARGET_CODE): Likewise.
14320         * config/sparc/sparc-d.c (IN_TARGET_CODE): Likewise.
14321
14322 2021-03-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14323
14324         PR d/91595
14325         * config.gcc (*-*-cygwin*): Add winnt-d.o
14326         (*-*-mingw*): Likewise.
14327         * config/i386/cygwin.h (EXTRA_TARGET_D_OS_VERSIONS): New macro.
14328         * config/i386/mingw32.h (EXTRA_TARGET_D_OS_VERSIONS): Likewise.
14329         * config/i386/t-cygming: Add winnt-d.o.
14330         * config/i386/winnt-d.c: New file.
14331
14332 2021-03-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14333
14334         * config/freebsd-d.c: Include memmodel.h.
14335
14336 2021-03-26  Iain Buclaw  <ibuclaw@gdcproject.org>
14337
14338         PR d/99691
14339         * config.gcc (*-*-openbsd*): Add openbsd-d.o.
14340         * config/t-openbsd: Add openbsd-d.o.
14341         * config/openbsd-d.c: New file.
14342
14343 2021-03-25  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
14344
14345         PR tree-optimization/96974
14346         * tree-vect-stmts.c (vect_get_vector_types_for_stmt): Replace assert
14347         with graceful exit.
14348
14349 2021-03-25  H.J. Lu  <hjl.tools@gmail.com>
14350
14351         Revert:
14352         2021-03-25  H.J. Lu  <hjl.tools@gmail.com>
14353
14354         PR target/98209
14355         PR target/99744
14356         * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
14357         always_inline in system headers.
14358
14359 2021-03-25  Kewen Lin  <linkw@linux.ibm.com>
14360
14361         * tree-vect-loop.c (vect_model_reduction_cost): Init inside_cost.
14362
14363 2021-03-25  Jakub Jelinek  <jakub@redhat.com>
14364
14365         PR c++/99565
14366         * tree-core.h (enum operand_equal_flag): Add OEP_ADDRESS_OF_SAME_FIELD.
14367         * fold-const.c (operand_compare::operand_equal_p): Don't compare
14368         field offsets if OEP_ADDRESS_OF_SAME_FIELD.
14369
14370 2021-03-25  H.J. Lu  <hjl.tools@gmail.com>
14371
14372         PR target/98209
14373         PR target/99744
14374         * config/i386/i386.c (ix86_can_inline_p): Don't check ISA for
14375         always_inline in system headers.
14376
14377 2021-03-25  Richard Biener  <rguenther@suse.de>
14378
14379         PR tree-optimization/99746
14380         * tree-vect-slp-patterns.c (complex_pattern::build): Do not mark
14381         the scalar stmt as patterned.  Instead set up required things
14382         manually.
14383
14384 2021-03-25  Xionghu Luo  <luoxhu@linux.ibm.com>
14385
14386         * config/rs6000/rs6000.c (power8_costs): Change l2 cache
14387         from 256 to 512.
14388
14389 2021-03-24  Martin Liska  <mliska@suse.cz>
14390
14391         PR target/99753
14392         * common/config/i386/i386-common.c (ARRAY_SIZE): Fix off-by-one
14393         error.
14394         * config/i386/i386-options.c (ix86_option_override_internal):
14395         Add run-time assert.
14396
14397 2021-03-24  Martin Jambor  <mjambor@suse.cz>
14398
14399         PR ipa/99122
14400         * ipa-cp.c (initialize_node_lattices): Mark as bottom all
14401         parameters with unknown type.
14402         (ipacp_value_safe_for_type): New function.
14403         (propagate_vals_across_arith_jfunc): Verify that the constant type
14404         can be used for a type of the formal parameter.
14405         (propagate_vals_across_ancestor): Likewise.
14406         (propagate_scalar_across_jump_function): Likewise.  Pass the type
14407         also to propagate_vals_across_ancestor.
14408
14409 2021-03-24  Christophe Lyon  <christophe.lyon@linaro.org>
14410
14411         PR target/99727
14412         * config/arm/mve.md (movmisalign<mode>_mve_store): Use Ux
14413         constraint.
14414         (movmisalign<mode>_mve_load): Likewise.
14415
14416 2021-03-24  Jakub Jelinek  <jakub@redhat.com>
14417
14418         PR target/99724
14419         * config/arm/vec-common.md (one_cmpl<mode>2, neg<mode>2,
14420         movmisalign<mode>): Disable expanders for TARGET_REALLY_IWMMXT.
14421
14422 2021-03-24  Alexandre Oliva  <oliva@adacore.com>
14423
14424         * doc/sourcebuild.texi (sysconf): New effective target.
14425
14426 2021-03-24  Alexandre Oliva  <oliva@adacore.com>
14427
14428         * config/i386/predicates.md (reg_or_const_vec_operand): New.
14429         * config/i386/sse.md (ssse3_pshufbv8qi3): Add an expander for
14430         the now *-prefixed insn_and_split, turn the splitter const vec
14431         into an input for the insn, making it an ignored immediate for
14432         non-split cases, and loaded into the scratch register
14433         otherwise.
14434
14435 2021-03-23  Vladimir N. Makarov  <vmakarov@redhat.com>
14436
14437         PR target/99581
14438         * config/aarch64/constraints.md (Utq, UOb, UOh, UOw, UOd, UOty):
14439         Use define_relaxed_memory_constraint for them.
14440
14441 2021-03-23  Iain Sandoe  <iain@sandoe.co.uk>
14442
14443         PR target/99733
14444         * config/host-darwin.c (darwin_gt_pch_use_address): Add a
14445         colon to the diagnostic message.
14446
14447 2021-03-23  Ilya Leoshkevich  <iii@linux.ibm.com>
14448
14449         * fwprop.c (fwprop_propagation::fwprop_propagation): Look at
14450         set_info's uses.
14451         (try_fwprop_subst_note): Use set_info instead of insn_info.
14452         (try_fwprop_subst_pattern): Likewise.
14453         (try_fwprop_subst_notes): Likewise.
14454         (try_fwprop_subst): Likewise.
14455         (forward_propagate_subreg): Likewise.
14456         (forward_propagate_and_simplify): Likewise.
14457         (forward_propagate_into): Likewise.
14458         * rtl-ssa/accesses.h (set_info::single_nondebug_use) New
14459         method.
14460         (set_info::single_nondebug_insn_use): Likewise.
14461         (set_info::single_phi_use): Likewise.
14462         * rtl-ssa/member-fns.inl (set_info::single_nondebug_use) New
14463         method.
14464         (set_info::single_nondebug_insn_use): Likewise.
14465         (set_info::single_phi_use): Likewise.
14466
14467 2021-03-23  Christophe Lyon  <christophe.lyon@linaro.org>
14468
14469         * doc/sourcebuild.texi (arm_dsp_ok, arm_dsp): Document.
14470
14471 2021-03-23  Jakub Jelinek  <jakub@redhat.com>
14472
14473         PR target/99540
14474         * config/aarch64/aarch64.c (aarch64_add_offset): Tell
14475         expand_mult to perform an unsigned rather than a signed
14476         multiplication.
14477
14478 2021-03-23  H.J. Lu  <hjl.tools@gmail.com>
14479
14480         PR target/99704
14481         * config/i386/cpuid.h (__cpuid): Add __volatile__.
14482         (__cpuid_count): Likewise.
14483
14484 2021-03-23  Richard Biener  <rguenther@suse.de>
14485
14486         PR tree-optimization/99721
14487         * tree-vect-slp.c (vect_slp_analyze_node_operations):
14488         Make sure we can schedule the node.
14489
14490 2021-03-23  Marcus Comstedt  <marcus@mc.pp.se>
14491
14492         * config/riscv/riscv.c (riscv_subword): Take endianness into
14493         account when calculating the byte offset.
14494
14495 2021-03-23  Marcus Comstedt  <marcus@mc.pp.se>
14496
14497         * config/riscv/predicates.md (subreg_lowpart_operator): New predicate
14498         * config/riscv/riscv.md (*addsi3_extended2, *subsi3_extended2)
14499         (*negsi2_extended2, *mulsi3_extended2, *<optab>si3_mask)
14500         (*<optab>si3_mask_1, *<optab>di3_mask, *<optab>di3_mask_1)
14501         (*<optab>si3_extend_mask, *<optab>si3_extend_mask_1): Use
14502         new predicate "subreg_lowpart_operator"
14503
14504 2021-03-23  Marcus Comstedt  <marcus@mc.pp.se>
14505
14506         * config/riscv/riscv.c (riscv_swap_instruction): New function
14507         to byteswap an SImode rtx containing an instruction.
14508         (riscv_trampoline_init): Byteswap the generated instructions
14509         when needed.
14510
14511 2021-03-23  Marcus Comstedt  <marcus@mc.pp.se>
14512
14513         * common/config/riscv/riscv-common.c
14514         (TARGET_DEFAULT_TARGET_FLAGS): Set default endianness.
14515         * config.gcc (riscv32be-*, riscv64be-*): Set
14516         TARGET_BIG_ENDIAN_DEFAULT to 1.
14517         * config/riscv/elf.h (LINK_SPEC): Change -melf* value
14518         depending on default endianness.
14519         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
14520         * config/riscv/linux.h (LINK_SPEC): Likewise.
14521         * config/riscv/riscv.c (TARGET_DEFAULT_TARGET_FLAGS): Set
14522         default endianness.
14523         * config/riscv/riscv.h (DEFAULT_ENDIAN_SPEC): New macro.
14524
14525 2021-03-23  Marcus Comstedt  <marcus@mc.pp.se>
14526
14527         * config/riscv/elf.h (LINK_SPEC): Pass linker endianness flag.
14528         * config/riscv/freebsd.h (LINK_SPEC): Likewise.
14529         * config/riscv/linux.h (LINK_SPEC): Likewise.
14530         * config/riscv/riscv.h (ASM_SPEC): Pass -mbig-endian and
14531         -mlittle-endian.
14532         (BYTES_BIG_ENDIAN): Handle big endian.
14533         (WORDS_BIG_ENDIAN): Define to BYTES_BIG_ENDIAN.
14534         * config/riscv/riscv.opt (-mbig-endian, -mlittle-endian): New
14535         options.
14536         * doc/invoke.texi (-mbig-endian, -mlittle-endian): Document.
14537
14538 2021-03-23  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
14539
14540         * regcprop.c (find_oldest_value_reg): Ask target whether
14541           different mode is fine for replacement register.
14542
14543 2021-03-23  Aldy Hernandez  <aldyh@redhat.com>
14544
14545         PR tree-optimization/99296
14546         * value-range.cc (irange::irange_set_1bit_anti_range): New.
14547         (irange::irange_set_anti_range): Call irange_set_1bit_anti_range
14548         * value-range.h (irange::irange_set_1bit_anti_range): New.
14549
14550 2021-03-22  Vladimir N. Makarov  <vmakarov@redhat.com>
14551
14552         PR target/99581
14553         * config/aarch64/constraints.md (UtQ): Use
14554         define_relaxed_memory_constraint for it.
14555         * doc/md.texi (define_relaxed_memory_constraint): Describe it.
14556         * genoutput.c (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14557         * genpreds.c (constraint_data): Add bitfield is_relaxed_memory.
14558         (have_relaxed_memory_constraints): New static var.
14559         (relaxed_memory_start, relaxed_memory_end): Ditto.
14560         (add_constraint): Add arg is_relaxed_memory.  Check name for
14561         relaxed memory.  Set up is_relaxed_memory in constraint_data and
14562         have_relaxed_memory_constraints.  Adjust calls.
14563         (choose_enum_order): Process relaxed memory.
14564         (write_tm_preds_h): Ditto.
14565         (main): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14566         * gensupport.c (process_rtx): Process DEFINE_RELAXED_MEMORY_CONSTRAINT.
14567         * ira-costs.c (record_reg_classes): Process CT_RELAXED_MEMORY.
14568         * ira-lives.c (single_reg_class): Use
14569         insn_extra_relaxed_memory_constraint.
14570         * ira.c (ira_setup_alts): CT_RELAXED_MEMORY.
14571         * lra-constraints.c (valid_address_p): Use
14572         insn_extra_relaxed_memory_constraint instead of other memory
14573         constraints.
14574         (process_alt_operands): Process CT_RELAXED_MEMORY.
14575         (curr_insn_transform): Use insn_extra_relaxed_memory_constraint.
14576         * recog.c (asm_operand_ok, preprocess_constraints): Process
14577         CT_RELAXED_MEMORY.
14578         * reload.c (find_reloads): Ditto.
14579         * rtl.def (DEFINE_RELAXED_MEMORY_CONSTRAINT): New.
14580         * stmt.c (parse_input_constraint): Use
14581         insn_extra_relaxed_memory_constraint.
14582
14583 2021-03-22  Segher Boessenkool  <segher@kernel.crashing.org>
14584
14585         PR target/97926
14586         * ubsan.c (ubsan_instrument_float_cast): Don't test for unordered if
14587         there are no NaNs.
14588
14589 2021-03-22  Alex Coplan  <alex.coplan@arm.com>
14590
14591         PR target/97252
14592         * config/arm/arm-protos.h (neon_make_constant): Add generate
14593         argument to guard emitting insns, default to true.
14594         * config/arm/arm.c (arm_legitimate_constant_p_1): Reject
14595         CONST_VECTORs which neon_make_constant can't handle.
14596         (neon_vdup_constant): Add generate argument, avoid emitting
14597         insns if it's not set.
14598         (neon_make_constant): Plumb new generate argument through.
14599         * config/arm/constraints.md (Ui): New. Use it...
14600         * config/arm/mve.md (*mve_mov<mode>): ... here.
14601         * config/arm/vec-common.md (movv8hf): Use neon_make_constant to
14602         synthesize constants.
14603
14604 2021-03-22  Richard Biener  <rguenther@suse.de>
14605
14606         * debug.h: Add deprecation warning.
14607
14608 2021-03-22  Richard Biener  <rguenther@suse.de>
14609
14610         PR tree-optimization/99694
14611         * tree-ssa-sccvn.c (visit_phi): Ignore edges with the
14612         PHI result.
14613
14614 2021-03-22  Kito Cheng  <kito.cheng@sifive.com>
14615
14616         PR target/99702
14617         * config/riscv/riscv.c (riscv_expand_block_move): Get RTL value
14618         after type checking.
14619
14620 2021-03-22  Jakub Jelinek  <jakub@redhat.com>
14621
14622         PR debug/99562
14623         PR debug/66728
14624         * dwarf2out.c (get_full_len): Use get_precision rather than
14625         min_precision.
14626         (add_const_value_attribute): Make sure add_AT_wide argument has
14627         precision prec rather than some very wide one.
14628
14629 2021-03-22  Kewen Lin  <linkw@linux.ibm.com>
14630
14631         * config/rs6000/rs6000.md (*rotldi3_insert_sf,
14632         *mov<SFDF:mode><SFDF2:mode>cc_p9, floatsi<mode>2_lfiwax,
14633         floatsi<mode>2_lfiwax_mem, floatunssi<mode>2_lfiwzx,
14634         floatunssi<mode>2_lfiwzx_mem, *floatsidf2_internal,
14635         *floatunssidf2_internal, fix_trunc<mode>si2_stfiwx,
14636         fix_trunc<mode>si2_internal, fixuns_trunc<mode>si2_stfiwx,
14637         *round32<mode>2_fprs, *roundu32<mode>2_fprs,
14638         *fix_trunc<mode>si2_internal): Fix empty split condition.
14639         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
14640         vsx_reduc_<VEC_reduc_name>_v2df, vsx_reduc_<VEC_reduc_name>_v4sf,
14641         *vsx_reduc_<VEC_reduc_name>_v2df_scalar,
14642         *vsx_reduc_<VEC_reduc_name>_v4sf_scalar): Likewise.
14643
14644 2021-03-22  Xionghu Luo  <luoxhu@linux.ibm.com>
14645
14646         PR target/98914
14647         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var_p9):
14648         Convert idx to DImode.
14649         (rs6000_expand_vector_set_var_p8): Likewise.
14650
14651 2021-03-21  Jakub Jelinek  <jakub@redhat.com>
14652
14653         PR debug/99388
14654         * dwarf2out.c (insert_float): Change return type from void to
14655         unsigned, handle GET_MODE_SIZE (mode) == 2 and return element size.
14656         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute):
14657         Adjust callers.
14658
14659 2021-03-20  H.J. Lu  <hjl.tools@gmail.com>
14660
14661         PR target/99679
14662         * config/i386/i386.c (construct_container): Check cfun != NULL
14663         before accessing silent_p.
14664
14665 2021-03-20  Ahamed Husni  <ahamedhusni73@gmail.com>
14666
14667         * asan.c: Fix typos in comments.
14668
14669 2021-03-20  Vladimir N. Makarov  <vmakarov@redhat.com>
14670
14671         PR rtl-optimization/99680
14672         * lra-constraints.c (skip_contraint_modifiers): Rename to skip_constraint_modifiers.
14673         (process_address_1): Check empty constraint before using
14674         CONSTRAINT_LEN.
14675
14676 2021-03-19  Pat Haugen  <pthaugen@linux.ibm.com>
14677
14678         * config/rs6000/rs6000.c (power10_cost): New.
14679         (rs6000_option_override_internal): Set Power10 costs.
14680         (rs6000_issue_rate): Set Power10 issue rate.
14681         * config/rs6000/power10.md: Rewrite for Power10.
14682
14683 2021-03-19  Vladimir N. Makarov  <vmakarov@redhat.com>
14684
14685         PR target/99663
14686         * lra-constraints.c (process_address_1): Don't use unknown
14687         constraint for address constraint.
14688
14689 2021-03-19  Iain Sandoe  <iain@sandoe.co.uk>
14690
14691         PR target/99661
14692         * config.gcc (powerpc-*-darwin8): Delete the reference to
14693         the now removed darwin8.h.
14694
14695 2021-03-19  Olivier Hainque  <hainque@adacore.com>
14696
14697         PR target/99660
14698         * config/vxworksae.h (VX_CPU_PREFIX): Define.
14699
14700 2021-03-19  John David Anglin  <danglin@gcc.gnu.org>
14701
14702         * config/pa/pa.c (import_milli): Use memcpy instead of strncpy.
14703
14704 2021-03-19  Tamar Christina  <tamar.christina@arm.com>
14705
14706         PR tree-optimization/99656
14707         * tree-vect-slp-patterns.c (linear_loads_p,
14708         complex_add_pattern::matches, is_eq_or_top,
14709         vect_validate_multiplication, complex_mul_pattern::matches,
14710         complex_fms_pattern::matches): Remove complex_perm_kinds_t.
14711         * tree-vectorizer.h: (complex_load_perm_t): Removed.
14712         (slp_tree_to_load_perm_map_t): Use complex_perm_kinds_t instead of
14713         complex_load_perm_t.
14714
14715 2021-03-19  H.J. Lu  <hjl.tools@gmail.com>
14716
14717         PR target/99652
14718         * config/i386/i386-options.c (ix86_init_machine_status): Set
14719         silent_p to true.
14720         * config/i386/i386.c (init_cumulative_args): Set silent_p to
14721         false.
14722         (construct_container): Return early for return and argument
14723         errors if silent_p is true.
14724         * config/i386/i386.h (machine_function): Add silent_p.
14725
14726 2021-03-19  Jakub Jelinek  <jakub@redhat.com>
14727
14728         PR target/99593
14729         * config/arm/constraints.md (Ds): New constraint.
14730         * config/arm/vec-common.md (mve_vshlq_<supf><mode>): Use w,Ds
14731         constraint instead of w,Dm.
14732
14733 2021-03-19  Andrew Stubbs  <ams@codesourcery.com>
14734
14735         * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Fix quotes
14736         in error message.
14737
14738 2021-03-19  Eric Botcazou  <ebotcazou@adacore.com>
14739
14740         PR middle-end/99641
14741         * fold-const.c (native_encode_initializer) <CONSTRUCTOR>: For an
14742         array type, do the computation of the current position in sizetype.
14743
14744 2021-03-18  Vladimir N. Makarov  <vmakarov@redhat.com>
14745
14746         PR target/99422
14747         * lra-constraints.c (process_address_1): Use lookup_constraint
14748         only for a single constraint.
14749
14750 2021-03-18  Martin Sebor  <msebor@redhat.com>
14751
14752         PR middle-end/99502
14753         * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): Rename...
14754         (inbounds_memaccess_p): ...to this.  Check the ending offset of
14755         the accessed member.
14756
14757 2021-03-18  Andrew Stubbs  <ams@codesourcery.com>
14758
14759         * config/gcn/gcn.c (gcn_parse_amdgpu_hsa_kernel_attribute): Add %< and
14760           %> quote markers to error messages.
14761         (gcn_goacc_validate_dims): Likewise.
14762         (gcn_conditional_register_usage): Remove exclaimation mark from error
14763         message.
14764         (gcn_vectorize_vec_perm_const): Ensure perm is fully uninitialized.
14765
14766 2021-03-18  Jan Hubicka  <hubicka@ucw.cz>
14767
14768         * config/i386/x86-tune-costs.h (struct processor_costs): Fix costs of
14769         integer divides1.
14770
14771 2021-03-18  Sinan Lin  <sinan@isrc.iscas.ac.cn>
14772             Kito Cheng  <kito.cheng@sifive.com>
14773
14774         * config/riscv/riscv.c (riscv_block_move_straight): Change type
14775         to unsigned HOST_WIDE_INT for parameter and local variable with
14776         HOST_WIDE_INT type.
14777         (riscv_adjust_block_mem): Ditto.
14778         (riscv_block_move_loop): Ditto.
14779         (riscv_expand_block_move): Ditto.
14780
14781 2021-03-18  Nick Clifton  <nickc@redhat.com>
14782
14783         * config/v850/v850.c (construct_restore_jr): Increase static
14784          buffer size.
14785         (construct_save_jarl): Likewise.
14786         * config/v850/v850.h (DWARF2_DEBUGGING_INFO): Define.
14787
14788 2021-03-18  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14789
14790         * config/aarch64/aarch64.c (aarch64_adjust_generic_arch_tuning): Define.
14791         (aarch64_override_options_internal): Use it.
14792         (generic_tunings): Add AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS to
14793         tune_flags.
14794
14795 2021-03-17  Sandra Loosemore  <sandra@codesourcery.com>
14796
14797         * config/nios2/nios2.c (nios2_custom_check_insns): Clean up
14798         error message format issues.
14799         (nios2_option_override): Likewise.
14800         (nios2_expand_fpu_builtin): Likewise.
14801         (nios2_init_custom_builtins): Adjust to avoid bogus strncpy
14802         truncation warning.
14803         (nios2_expand_custom_builtin): More error message format fixes.
14804         (nios2_expand_rdwrctl_builtin): Likewise.
14805         (nios2_expand_rdprs_builtin): Likewise.
14806         (nios2_expand_eni_builtin): Likewise.
14807         (nios2_expand_builtin): Likewise.
14808         (nios2_register_custom_code): Likewise.
14809         (nios2_valid_target_attribute_rec): Likewise.
14810         (nios2_add_insn_asm): Fix uninitialized variable warning.
14811
14812 2021-03-17  Jan Hubicka  <jh@suse.cz>
14813
14814         * config/i386/x86-tune-costs.h (struct processor_costs): Update costs
14815         of gather to match reality.
14816         * config/i386/x86-tune.def (X86_TUNE_USE_GATHER): Enable for znver3.
14817
14818 2021-03-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14819
14820         * config/aarch64/aarch64-builtins.c (aarch64_expand_rng_builtin): Use EQ
14821         to compare against CC_REG rather than NE.
14822
14823 2021-03-17  H.J. Lu  <hjl.tools@gmail.com>
14824
14825         PR target/99504
14826         * config/i386/i386.c (ix86_force_load_from_GOT_p): Support
14827         inline assembly statements.
14828         (ix86_print_operand): Update 'P' handling for -fno-plt.
14829
14830 2021-03-17  Tamar Christina  <tamar.christina@arm.com>
14831
14832         PR target/99542
14833         * config/aarch64/aarch64.c
14834         (aarch64_simd_clone_compute_vecsize_and_simdlen): Remove unused var.
14835
14836 2021-03-16  Segher Boessenkool  <segher@kernel.crashing.org>
14837
14838         PR target/98092
14839         * config/rs6000/predicates.md (branch_comparison_operator): Allow
14840         ordered and unordered for CCFPmode, if flag_finite_math_only.
14841
14842 2021-03-16  Jakub Jelinek  <jakub@redhat.com>
14843
14844         PR target/99600
14845         * config/i386/i386-expand.c (ix86_split_lea_for_addr): Emit a MULT
14846         rather than ASHIFT.
14847         * config/i386/i386.md (mult by 1248 into ashift): New splitter.
14848
14849 2021-03-16  Martin Liska  <mliska@suse.cz>
14850
14851         PR target/99592
14852         * optc-save-gen.awk: Add flag_ipa_ra to exceptions for
14853         cl_optimization_compare function.
14854
14855 2021-03-16  Ilya Leoshkevich  <iii@linux.ibm.com>
14856
14857         * config/s390/s390.c (f_constraint_p): Treat "fv" constraints
14858         as "v".
14859
14860 2021-03-16  Jakub Jelinek  <jakub@redhat.com>
14861
14862         PR target/99563
14863         * config/i386/i386.h (struct machine_function): Add
14864         has_explicit_vzeroupper bitfield.
14865         * config/i386/i386-expand.c (ix86_expand_builtin): Set
14866         cfun->machine->has_explicit_vzeroupper when expanding
14867         IX86_BUILTIN_VZEROUPPER.
14868         * config/i386/i386-features.c (rest_of_handle_insert_vzeroupper):
14869         Do the mode switching only when TARGET_VZEROUPPER, expensive
14870         optimizations turned on and not optimizing for size.
14871         (pass_insert_vzeroupper::gate): Enable even when
14872         cfun->machine->has_explicit_vzeroupper is set.
14873
14874 2021-03-16  Jakub Jelinek  <jakub@redhat.com>
14875
14876         PR target/99542
14877         * config/aarch64/aarch64.c
14878         (aarch64_simd_clone_compute_vecsize_and_simdlen): If not a function
14879         definition, walk TYPE_ARG_TYPES list if non-NULL for argument types
14880         instead of DECL_ARGUMENTS.  Ignore types for uniform arguments.
14881
14882 2021-03-15  Richard Biener  <rguenther@suse.de>
14883
14884         PR tree-optimization/98834
14885         * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle missing
14886         subsetting by truncating the access size.
14887
14888 2021-03-15  Jan Hubicka  <hubicka@ucw.cz>
14889
14890         * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
14891         * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
14892         of znver2_cost.
14893
14894 2021-03-15  Martin Liska  <mliska@suse.cz>
14895
14896         * spellcheck.c: Add missing comma in initialization.
14897
14898 2021-03-14  Uroš Bizjak  <ubizjak@gmail.com>
14899
14900         * config/i386/sse.md (*vec_extract<mode>): Merge alternative 0 with
14901         alternative 2 and alternative 1 with alternative 3 using
14902         YW register constraint.
14903         (*vec_extract<PEXTR_MODE12:mode>_zext): Merge alternatives
14904         using YW register constraint.
14905         (*vec_extractv16qi_zext): Ditto.
14906         (*vec_extractv4si): Merge alternatives 4 and 5
14907         using Yw register constraint.
14908         (*ssse3_palignr<mode>_perm): Use Yw instead of v for alternative 3.
14909
14910 2021-03-13  Martin Sebor  <msebor@redhat.com>
14911
14912         PR tree-optimization/99489
14913         * builtins.c (gimple_call_alloc_size): Fail gracefully when argument
14914         is not a call statement.
14915
14916 2021-03-13  Jakub Jelinek  <jakub@redhat.com>
14917
14918         PR tree-optimization/99544
14919         * match.pd (X + (X << C) -> X * (1 + (1 << C))): Don't simplify
14920         if for vector types multiplication can't be done in type's mode.
14921
14922 2021-03-12  Eric Botcazou  <ebotcazou@adacore.com>
14923
14924         PR target/99422
14925         * config/sparc/constraints.md (w): Rename to...
14926         (W): ... this and ditch previous implementation.
14927         * config/sparc/sparc.md (*movdi_insn_sp64): Replace W with m.
14928         (*movdf_insn_sp64): Likewise.
14929         (*mov<VM64:mode>_insn_sp64): Likewise.
14930         * config/sparc/sync.md (*atomic_compare_and_swap<mode>_1): Replace
14931         w with W.
14932         (atomic_compare_and_swap_leon3_1): Likewise.
14933         (*atomic_compare_and_swapdi_v8plus): Likewise.
14934         * config/sparc/sparc.c (memory_ok_for_ldd): Remove useless test on
14935         architecture and add missing address validity check during LRA.
14936
14937 2021-03-12  Tobias Burnus  <tobias@codesourcery.com>
14938
14939         PR fortran/98858
14940         * gimplify.c (omp_add_variable): Handle NULL_TREE as size
14941         occuring for assumed-size arrays in use_device_{ptr,addr}.
14942
14943 2021-03-12  Jakub Jelinek  <jakub@redhat.com>
14944
14945         PR target/99321
14946         * config/i386/constraints.md (YW): New internal constraint.
14947         * config/i386/sse.md (v_Yw): Add V4TI, V2TI, V1TI and TI cases.
14948         (*<sse2_avx2>_<insn><mode>3<mask_name>,
14949         *<sse2_avx2>_uavg<mode>3<mask_name>, *abs<mode>2,
14950         *<s>mul<mode>3_highpart<mask_name>): Use <v_Yw> instead of v in
14951         constraints.
14952         (<sse2_avx2>_psadbw): Use YW instead of v in constraints.
14953         (*avx2_pmaddwd, *sse2_pmaddwd, *<code>v8hi3, *<code>v16qi3,
14954         avx2_pmaddubsw256, ssse3_pmaddubsw128): Merge last two alternatives
14955         into one, use Yw instead of former x,v.
14956         (ashr<mode>3, <insn><mode>3): Use <v_Yw> instead of x in constraints of
14957         the last alternative.
14958         (<sse2_avx2>_packsswb<mask_name>, <sse2_avx2>_packssdw<mask_name>,
14959         <sse2_avx2>_packuswb<mask_name>, <sse4_1_avx2>_packusdw<mask_name>,
14960         *<ssse3_avx2>_pmulhrsw<mode>3<mask_name>, <ssse3_avx2>_palignr<mode>,
14961         <ssse3_avx2>_pshufb<mode>3<mask_name>): Merge last two alternatives
14962         into one, use <v_Yw> instead of former x,v.
14963         (avx2_interleave_highv32qi<mask_name>,
14964         vec_interleave_highv16qi<mask_name>): Use Yw instead of v in
14965         constraints.  Add && <mask_avx512bw_condition> to condition.
14966         (avx2_interleave_lowv32qi<mask_name>,
14967         vec_interleave_lowv16qi<mask_name>,
14968         avx2_interleave_highv16hi<mask_name>,
14969         vec_interleave_highv8hi<mask_name>,
14970         avx2_interleave_lowv16hi<mask_name>, vec_interleave_lowv8hi<mask_name>,
14971         avx2_pshuflw_1<mask_name>, sse2_pshuflw_1<mask_name>,
14972         avx2_pshufhw_1<mask_name>, sse2_pshufhw_1<mask_name>,
14973         avx2_<code>v16qiv16hi2<mask_name>, sse4_1_<code>v8qiv8hi2<mask_name>,
14974         *sse4_1_<code>v8qiv8hi2<mask_name>_1, <sse2_avx2>_<insn><mode>3): Use
14975         Yw instead of v in constraints.
14976         * config/i386/mmx.md (Yv_Yw): New define_mode_attr.
14977         (*mmx_<insn><mode>3, mmx_ashr<mode>3, mmx_<insn><mode>3): Use <Yv_Yw>
14978         instead of Yv in constraints.
14979         (*mmx_<insn><mode>3, *mmx_mulv4hi3, *mmx_smulv4hi3_highpart,
14980         *mmx_umulv4hi3_highpart, *mmx_pmaddwd, *mmx_<code>v4hi3,
14981         *mmx_<code>v8qi3, mmx_pack<s_trunsuffix>swb, mmx_packssdw,
14982         mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14983         *mmx_uavgv8qi3, *mmx_uavgv4hi3, mmx_psadbw): Use Yw instead of Yv in
14984         constraints.
14985         (*mmx_pinsrw, *mmx_pinsrb, *mmx_pextrw, *mmx_pextrw_zext, *mmx_pextrb,
14986         *mmx_pextrb_zext): Use YW instead of Yv in constraints.
14987         (*mmx_eq<mode>3, mmx_gt<mode>3): Use x instead of Yv in constraints.
14988         (mmx_andnot<mode>3, *mmx_<code><mode>3): Split last alternative into
14989         two, one with just x, another isa avx512vl with v.
14990
14991 2021-03-12  Martin Liska  <mliska@suse.cz>
14992
14993         * doc/invoke.texi: Add missing param documentation.
14994
14995 2021-03-11  David Malcolm  <dmalcolm@redhat.com>
14996
14997         PR analyzer/96374
14998         * Makefile.in (ANALYZER_OBJS): Add analyzer/feasible-graph.o and
14999         analyzer/trimmed-graph.o.
15000         * doc/analyzer.texi (Analyzer Paths): Rewrite description of
15001         feasibility checking to reflect new implementation.
15002         * doc/invoke.texi (-fdump-analyzer-feasibility): Document new
15003         option.
15004         * shortest-paths.h (shortest_paths::get_shortest_distance): New.
15005
15006 2021-03-11  David Malcolm  <dmalcolm@redhat.com>
15007
15008         * digraph.cc (selftest::test_shortest_paths): Update
15009         shortest_paths init for new param.  Add test of
15010         SPS_TO_GIVEN_TARGET.
15011         * shortest-paths.h (enum shortest_path_sense): New.
15012         (shortest_paths::shortest_paths): Add "sense" param.
15013         Update for renamings.  Generalize to use "sense" param.
15014         (shortest_paths::get_shortest_path): Rename param.
15015         (shortest_paths::m_sense): New field.
15016         (shortest_paths::m_prev): Rename...
15017         (shortest_paths::m_best_edge): ...to this.
15018         (shortest_paths::get_shortest_path): Update for renamings.
15019         Conditionalize flipping of path on sense of traversal.
15020
15021 2021-03-11  David Malcolm  <dmalcolm@redhat.com>
15022
15023         * digraph.cc (selftest::test_shortest_paths): Add test coverage
15024         for paths from B and C.
15025         * shortest-paths.h (shortest_paths::shortest_paths): Handle
15026         unreachable nodes, rather than asserting.
15027
15028 2021-03-11  David Edelsohn  <dje.gcc@gmail.com>
15029
15030         PR target/99094
15031         * config/rs6000/rs6000.c (rs6000_xcoff_file_start): Don't create
15032         xcoff_tbss_section_name.
15033         * config/rs6000/xcoff.h (ASM_OUTPUT_TLS_COMMON): Use .lcomm.
15034         * xcoffout.c (xcoff_tbss_section_name): Delete.
15035         * xcoffout.h (xcoff_tbss_section_name): Delete.
15036
15037 2021-03-11  Richard Biener  <rguenther@suse.de>
15038
15039         PR tree-optimization/99523
15040         * tree-cfg.c (dump_function_to_file): Dump SSA names
15041         w/o identifier to the decls section as well, not only those
15042         without a VAR_DECL.
15043
15044 2021-03-11  Jakub Jelinek  <jakub@redhat.com>
15045
15046         PR ipa/99517
15047         * ipa-icf-gimple.c (func_checker::compare_gimple_call): For internal
15048         function calls with lhs fail if the lhs don't have compatible types.
15049
15050 2021-03-11  Hans-Peter Nilsson  <hp@axis.com>
15051
15052         * config/cris/cris.h (HARD_FRAME_POINTER_REGNUM): Define.
15053         Change FRAME_POINTER_REGNUM to correspond to a new faked
15054         register faked_fp, part of GENNONACR_REGS like faked_ap.
15055         (CRIS_FAKED_REGS_CONTENTS): New helper macro.
15056         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS):
15057         (REG_ALLOC_ORDER, REG_CLASS_CONTENTS, REGNO_OK_FOR_BASE_P)
15058         (ELIMINABLE_REGS, REGISTER_NAMES): Adjust accordingly.
15059         * config/cris/cris.md (CRIS_FP_REGNUM): Renumber to new faked
15060         register.
15061         (CRIS_REAL_FP_REGNUM): New constant.
15062         * config/cris/cris.c (cris_reg_saved_in_regsave_area): Check
15063         for HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
15064         (cris_initial_elimination_offset): Handle elimination changes
15065         to HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM
15066         and add one from FRAME_POINTER_REGNUM to
15067         HARD_FRAME_POINTER_REGNUM.
15068         (cris_expand_prologue, cris_expand_epilogue): Emit code for
15069         hard_frame_pointer_rtx instead of frame_pointer_rtx.
15070
15071 2021-03-10  David Edelsohn  <dje.gcc@gmail.com>
15072
15073         PR target/99492
15074         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Add check for DCmode.
15075         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Same.
15076
15077 2021-03-10  Vladimir N. Makarov  <vmakarov@redhat.com>
15078
15079         PR target/99422
15080         * lra-constraints.c (process_address_1): Don't check unknown
15081         constraint, use X for empty constraint.
15082
15083 2021-03-10  Alex Coplan  <alex.coplan@arm.com>
15084
15085         * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
15086         Fix typo in comment describing "is_ha" argument.
15087
15088 2021-03-10  John David Anglin  <danglin@gcc.gnu.org>
15089
15090         * doc/sourcebuild.texi: Document LRA target selector.
15091
15092 2021-03-10  David Malcolm  <dmalcolm@redhat.com>
15093
15094         * doc/ux.texi: Add subsection contrasting interactive versus
15095         batch usage of GCC.
15096
15097 2021-03-10  Joel Hutton  <joel.hutton@arm.com>
15098
15099         PR target/99102
15100         * tree-vect-stmts.c (vectorizable_store): Fix scatter store mask
15101         check condition.
15102         (vectorizable_load): Fix gather load mask check condition.
15103
15104 2021-03-10  Richard Biener  <rguenther@suse.de>
15105
15106         PR tree-optimization/99510
15107         * tree.c (check_aligned_type): Check that the candidate
15108         has TYPE_USER_ALIGN set instead of matching with the
15109         original type.
15110
15111 2021-03-10  Eric Botcazou  <ebotcazou@adacore.com>
15112
15113         * config/sparc/sparc.c (sparc_regmode_natural_size): Return 4 for
15114         float and vector integer modes only if the mode is not larger.
15115
15116 2021-03-10  Hans-Peter Nilsson  <hp@axis.com>
15117
15118         * config/cris/cris.h (DWARF_FRAME_REGISTERS): Define.
15119
15120 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
15121
15122         * ira.c (ira_setup_alts, ira_get_dup_out_num): Process digital
15123         constraints > 9.
15124         * ira-lives.c (single_reg_class): Ditto.
15125
15126 2021-03-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15127
15128         * config.gcc (aarch64-*-rtems*): Include general rtems.h after
15129         the architecture-specific rtems.h.
15130         (aarch64-*-rtems*): Likewise.
15131         (arm*-*-rtems*): Likewise.
15132         (epiphany-*-rtems*): Likewise.
15133         (riscv*-*-rtems*): Likewise.
15134
15135 2021-03-09  Jakub Jelinek  <jakub@redhat.com>
15136
15137         PR tree-optimization/99305
15138         * tree-ssa-phiopt.c (conditional_replacement): Test integer_pow2p
15139         before integer_all_onesp instead of vice versa.
15140
15141 2021-03-09  Richard Earnshaw  <rearnsha@arm.com>
15142
15143         * common/config/arm/arm-common.c (arm_config_default): Change type
15144         of 'i' to unsigned.
15145
15146 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
15147
15148         PR target/99454
15149         * lra-constraints.c (process_address_1): Process constraint 'g'
15150         separately and digital constraints containing more one digit.
15151
15152 2021-03-09  Nick Clifton  <nickc@redhat.com>
15153
15154         * config/rx/rx.h (DBX_DEBUGGING_INFO): Define.
15155         (DWARF"_DEBUGGING_INFO): Define.
15156
15157 2021-03-09  Eric Botcazou  <ebotcazou@adacore.com>
15158
15159         PR c++/90448
15160         * calls.c (initialize_argument_information): When the argument
15161         is passed by reference, do not make a copy in a thunk only if
15162         the argument is already in memory.  Remove redundant test for
15163         the case of callee copy.
15164
15165 2021-03-09  Vladimir N. Makarov  <vmakarov@redhat.com>
15166
15167         PR target/99454
15168         * lra-constraints.c (process_address_1): Process 0..9 constraints
15169         in process_address_1.
15170
15171 2021-03-09  Andreas Krebbel  <krebbel@linux.ibm.com>
15172
15173         * config/s390/s390.c (struct s390_processor processor_table):
15174         Binutils name string must not be empty.
15175
15176 2021-03-09  Claudiu Zissulescu  <claziss@synopsys.com>
15177
15178         * config/arc/arc.c (arc_attr_type): Remove function.
15179
15180 2021-03-09  Martin Liska  <mliska@suse.cz>
15181
15182         PR target/99464
15183         * config/i386/i386-options.c (ix86_option_override_internal):
15184         Set isa_flags for OPTS argument and not for the global
15185         global_options.
15186
15187 2021-03-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
15188
15189         * config/rs6000/predicates.md (ds_form_mem_operand): Check
15190         in correct code.
15191
15192 2021-03-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
15193
15194         PR target/99070
15195         * config/rs6000/predicates.md (ds_form_mem_operand) New
15196         predicate.
15197         * config/rs6000/genfusion.pl (gen_ld_cmpi_p10) Use
15198         ds_form_mem_operand in ld/lwa patterns.
15199         * config/rs6000/fusion.md: Regenerate file.
15200
15201 2021-03-08  Martin Sebor  <msebor@redhat.com>
15202
15203         PR middle-end/98266
15204         * gimple-array-bounds.cc (inbounds_vbase_memaccess_p): New function.
15205         (array_bounds_checker::check_array_bounds): Call it.
15206
15207 2021-03-08  Martin Sebor  <msebor@redhat.com>
15208
15209         PR middle-end/97631
15210         * tree-ssa-strlen.c (maybe_warn_overflow): Test rawmem.
15211         (handle_builtin_stxncpy_strncat): Rename locals.  Determine
15212         destination size from allocation calls.  Issue a more appropriate
15213         kind of warning.
15214         (handle_builtin_memcpy): Pass true as rawmem to maybe_warn_overflow.
15215         (handle_builtin_memset): Same.
15216
15217 2021-03-08  Peter Bergner  <bergner@linux.ibm.com>
15218
15219         PR target/98959
15220         * config/rs6000/rs6000.c (rs6000_emit_le_vsx_permute): Add an assert
15221         to ensure we do not have an Altivec style address.
15222         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>): Disable if passed
15223         an Altivec style address.
15224         (*vsx_le_perm_store_<mode>): Likewise.
15225         (splitters after *vsx_le_perm_store_<mode>): Likewise.
15226         (vsx_load_<mode>): Disable special expander if passed an Altivec
15227         style address.
15228         (vsx_store_<mode>): Likewise.
15229
15230 2021-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15231
15232         PR target/99437
15233         * config/aarch64/predicates.md (aarch64_simd_shift_imm_vec_qi): Define.
15234         (aarch64_simd_shift_imm_vec_hi): Likewise.
15235         (aarch64_simd_shift_imm_vec_si): Likewise.
15236         (aarch64_simd_shift_imm_vec_di): Likewise.
15237         * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le): Use
15238         predicate from above.
15239         (aarch64_shrn<mode>_insn_be): Likewise.
15240         (aarch64_rshrn<mode>_insn_le): Likewise.
15241         (aarch64_rshrn<mode>_insn_be): Likewise.
15242         (aarch64_shrn2<mode>_insn_le): Likewise.
15243         (aarch64_shrn2<mode>_insn_be): Likewise.
15244         (aarch64_rshrn2<mode>_insn_le): Likewise.
15245         (aarch64_rshrn2<mode>_insn_be): Likewise.
15246
15247 2021-03-08  Vladimir N. Makarov  <vmakarov@redhat.com>
15248
15249         PR target/99422
15250         * lra-constraints.c (skip_contraint_modifiers): New function.
15251         (process_address_1): Use it before lookup_constraint call.
15252
15253 2021-03-08  Martin Liska  <mliska@suse.cz>
15254
15255         PR target/99463
15256         * config/i386/i386-options.c (ix86_option_override_internal):
15257         Enable UINTR and HRESET for -march that supports it.
15258
15259 2021-03-08  Ilya Leoshkevich  <iii@linux.ibm.com>
15260
15261         * config/s390/s390.c (f_constraint_p): New function.
15262         (s390_md_asm_adjust): Implement TARGET_MD_ASM_ADJUST.
15263         (TARGET_MD_ASM_ADJUST): Likewise.
15264
15265 2021-03-08  Tobias Burnus  <tobias@codesourcery.com>
15266
15267         PR fortran/97927
15268         * tree-nested.c (convert_local_reference_stmt): Avoid calling
15269         lookup_field_for_decl for Fortran module (= namespace context).
15270
15271 2021-03-08  Andreas Krebbel  <krebbel@linux.ibm.com>
15272
15273         * config/s390/s390.c (s390_expand_vec_compare): Implement <0
15274         comparison with arithmetic right shift.
15275         (s390_expand_vcond): No need for a force_reg anymore.
15276         s390_vec_compare will do it.
15277         * config/s390/vector.md ("vec_cmp<mode><tointvec>"): Accept also
15278         immediate operands.
15279
15280 2021-03-07  Jakub Jelinek  <jakub@redhat.com>
15281
15282         PR target/99321
15283         * config/i386/constraints.md (Yw): Use SSE_REGS if TARGET_SSE
15284         but TARGET_AVX512BW or TARGET_AVX512VL is not set.  Adjust description
15285         and comment.
15286         * config/i386/sse.md (v_Yw): New define_mode_attr.
15287         (*<insn><mode>3, *mul<mode>3<mask_name>, *avx2_<code><mode>3,
15288         *sse4_1_<code><mode>3<mask_name>): Use <v_Yw> instead of v
15289         in constraints.
15290         * config/i386/mmx.md (mmx_pshufw_1, *vec_dupv4hi): Use Yw instead of
15291         xYw in constraints.
15292
15293 2021-03-06  Julian Brown  <julian@codesourcery.com>
15294
15295         * tree-pretty-print.c (dump_generic_node): Emit non-generic
15296         address space info for aggregates.
15297
15298 2021-03-06  Hans-Peter Nilsson  <hp@axis.com>
15299
15300         * config/cris/cris.h (MAX_FIXED_MODE_SIZE): Don't define.
15301
15302 2021-03-05  Jakub Jelinek  <jakub@redhat.com>
15303
15304         PR middle-end/99322
15305         * tree-cfg.c (bb_to_omp_idx): New variable.
15306         (execute_build_cfg): Release the bb_to_omp_idx vector after
15307         cleanup_tree_cfg returns.
15308         (handle_abnormal_edges): Remove bb_to_omp_idx argument, adjust
15309         for bb_to_omp_idx being a vec<int> instead of pointer to array
15310         of ints.
15311         (make_edges): Remove bb_to_omp_idx local variable, don't pass
15312         it to handle_abnormal_edges, adjust for bb_to_omp_idx being a
15313         vec<int> instead of pointer to array of ints and don't free/release
15314         it at the end.
15315         (remove_bb): When removing a bb and placing forced label somewhere
15316         else, ensure it is put into the same OpenMP region during cfg
15317         pass if possible or to entry successor as fallback.  Unregister
15318         bb from bb_to_omp_idx.
15319
15320 2021-03-05  Vladimir N. Makarov  <vmakarov@redhat.com>
15321
15322         PR target/99378
15323         * lra-constraints.c (process_address_1): Skip decomposing address
15324         for asm insn operand with unknown constraint.
15325
15326 2021-03-05  Martin Jambor  <mjambor@suse.cz>
15327
15328         PR ipa/98078
15329         * cgraph.c (cgraph_edge::set_call_stmt): Do not update all
15330         corresponding speculative edges if we are about to resolve
15331         sepculation.  Make edge direct (and so resolve speculations) before
15332         removing it from call_site_hash.
15333         (cgraph_edge::make_direct): Relax the initial assert to allow calling
15334         the function on speculative direct edges.
15335
15336 2021-03-05  Eric Botcazou  <ebotcazou@adacore.com>
15337
15338         PR rtl-optimization/99376
15339         * rtlanal.c (nonzero_bits1) <arithmetic operators>: If the number
15340         of low-order zero bits is too large, set the result to 0 directly.
15341
15342 2021-03-04  Jakub Jelinek  <jakub@redhat.com>
15343
15344         PR middle-end/93235
15345         * expmed.c (store_bit_field_using_insv): Return false of xop0 is a
15346         SUBREG and a SUBREG to op_mode can't be created.
15347
15348 2021-03-04  Alex Coplan  <alex.coplan@arm.com>
15349
15350         PR target/99381
15351         * config/aarch64/aarch64-sve-builtins.cc
15352         (function_resolver::require_vector_type): Handle error_mark_node.
15353
15354 2021-03-04  Ilya Leoshkevich  <iii@linux.ibm.com>
15355
15356         * cfgexpand.c (expand_asm_loc): Pass new parameter.
15357         (expand_asm_stmt): Likewise.
15358         * config/arm/aarch-common-protos.h (arm_md_asm_adjust): Add new
15359         parameter.
15360         * config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
15361         * config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
15362         * config/cris/cris.c (cris_md_asm_adjust): Likewise.
15363         * config/i386/i386.c (ix86_md_asm_adjust): Likewise.
15364         * config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
15365         * config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
15366         * config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
15367         * config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
15368         * config/vax/vax.c (vax_md_asm_adjust): Likewise.
15369         * config/visium/visium.c (visium_md_asm_adjust): Likewise.
15370         * doc/tm.texi (md_asm_adjust): Likewise.
15371         * target.def (md_asm_adjust): Likewise.
15372
15373 2021-03-04  Richard Biener  <rguenther@suse.de>
15374
15375         PR middle-end/97855
15376         * tree-pretty-print.c: Poison pp_printf.
15377         (dump_decl_name): Avoid use of pp_printf.
15378         (dump_block_node): Likewise.
15379         (dump_generic_node): Likewise.
15380
15381 2021-03-04  Martin Sebor  <msebor@redhat.com>
15382
15383         PR middle-end/96963
15384         PR middle-end/94655
15385         * builtins.c (handle_array_ref): New helper.
15386         (handle_mem_ref): New helper.
15387         (compute_objsize_r): Factor out ARRAY_REF and MEM_REF handling
15388         into new helper functions.  Correct a workaround for vectorized
15389         assignments.
15390
15391 2021-03-03  Pat Haugen  <pthaugen@linux.ibm.com>
15392
15393         * config/rs6000/dfp.md (extendddtd2, trunctddd2, *cmp<mode>_internal1,
15394         floatditd2, ftrunc<mode>2, fix<mode>di2, dfp_ddedpd_<mode>,
15395         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>,
15396         *dfp_sgnfcnc_<mode>, dfp_dscli_<mode>, dfp_dscri_<mode>): Update size
15397         attribute for Power10.
15398         * config/rs6000/mma.md (*movoo): Likewise.
15399         * config/rs6000/rs6000.md (define_attr "size"): Add 256.
15400         (define_mode_attr bits): Add DD/TD modes.
15401         * config/rs6000/sync.md (load_quadpti, store_quadpti, load_lockedpti,
15402         store_conditionalpti): Update size attribute for Power10.
15403
15404 2021-03-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15405
15406         PR bootstrap/92002
15407         * config/sparc/t-sparc (tree-ssanames.o-warn): Don't error for
15408         -Wuninitialized, -Wmaybe-uninitialized.
15409         (wide-int.o-warn): Likewise.
15410
15411 2021-03-03  Richard Earnshaw  <rearnsha@arm.com>
15412
15413         * common/config/arm/arm-common.c: Include configargs.h.
15414         (arm_config_default): New function.
15415         (arm_target_mode): Renamed from arm_target_thumb_only.  Handle
15416         processors that do not support Thumb.  Take into account the
15417         --with-mode configuration setting for selecting the default.
15418         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Remove entry for 'mode'.
15419         (TARGET_MODE_SPEC_FUNCTIONS): Update for function name change.
15420
15421 2021-03-03  Martin Liska  <mliska@suse.cz>
15422
15423         PR gcov-profile/97461
15424         * gcov-io.h (GCOV_PREALLOCATED_KVP): Remove.
15425
15426 2021-03-03  Eric Botcazou  <ebotcazou@adacore.com>
15427
15428         PR target/99234
15429         * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
15430         point back the hard frame pointer to its default location when the
15431         frame is larger than SEH_MAX_FRAME_SIZE.
15432
15433 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
15434
15435         PR target/99321
15436         * config/i386/predicates.md (logic_operator): New define_predicate.
15437         * config/i386/i386.md (mov + mem using comm arith peephole2):
15438         Punt if operands[1] is EXT_REX_SSE_REGNO_P, AVX512BW is not enabled
15439         and the inner mode is [QH]Imode.
15440
15441 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
15442
15443         PR debug/99090
15444         * dwarf2out.c (dw_loc_list_struct): Add end_entry member.
15445         (new_loc_list): Clear end_entry.
15446         (output_loc_list): Only use DW_LLE_startx_length for -gsplit-dwarf
15447         if HAVE_AS_LEB128, otherwise use DW_LLE_startx_endx.  Fix comment
15448         typo.
15449         (index_location_lists): For dwarf_version >= 5 without HAVE_AS_LEB128,
15450         initialize also end_entry.
15451
15452 2021-03-03  Jakub Jelinek  <jakub@redhat.com>
15453
15454         PR target/99085
15455         * cfgrtl.c (fixup_partitions): When changing some bbs from hot to cold
15456         partitions, if in non-layout mode after reorder_blocks also move
15457         affected blocks to ensure a single partition transition.
15458
15459 2021-03-03  Jason Merrill  <jason@redhat.com>
15460
15461         PR c++/96078
15462         * cgraphunit.c (process_function_and_variable_attributes): Don't
15463         warn about flatten on an alias if the target also has it.
15464         * cgraph.h (symtab_node::get_alias_target_tree): New.
15465
15466 2021-03-02  David Edelsohn  <dje.gcc@gmail.com>
15467
15468         * config/rs6000/rs6000.md (tls_get_tpointer_internal): Prepend
15469         period to symbol name.
15470         (tls_get_addr_internal<mode>): Same.
15471
15472 2021-03-02  David Malcolm  <dmalcolm@redhat.com>
15473
15474         PR c/99323
15475         * diagnostic-show-locus.c
15476         (selftest::test_one_liner_many_fixits_2): Fix accidental usage of
15477         column 0.
15478
15479 2021-03-02  Martin Sebor  <msebor@redhat.com>
15480
15481         PR middle-end/99276
15482         * builtins.c (warn_for_access): Remove stray warning text.
15483
15484 2021-03-02  Martin Sebor  <msebor@redhat.com>
15485
15486         PR middle-end/99295
15487         * doc/extend.texi (attribute malloc): Reword and clarify nonaliasing
15488         property.
15489
15490 2021-03-02  Jakub Jelinek  <jakub@redhat.com>
15491
15492         PR debug/99319
15493         * dwarf2out.c (output_macinfo_op): Use DW_MACRO_*_str* even with
15494         -gdwarf-5 -gstrict-dwarf.  For -gsplit-dwarf -gdwarf-5 use
15495         DW_MACRO_*_strx instead of DW_MACRO_*_strp.  Handle
15496         DW_MACRO_define_strx and DW_MACRO_undef_strx.
15497         (save_macinfo_strings): Use DW_MACRO_*_str* even with
15498         -gdwarf-5 -gstrict-dwarf.  Handle DW_MACRO_define_strx and
15499         DW_MACRO_undef_strx.
15500
15501 2021-03-02  Andreas Krebbel  <krebbel@linux.ibm.com>
15502
15503         * config/s390/s390-builtin-types.def (BT_FN_V4SF_V8HI_UINT): New
15504         builtin signature.
15505         (BT_FN_V8HI_V8HI_UINT): Likewise.
15506         (BT_FN_V8HI_V4SF_V4SF_UINT): Likewise.
15507         * config/s390/s390-builtins.def (B_NNPA): New macro definition.
15508         (s390_vclfnhs, s390_vclfnls, s390_vcrnfs, s390_vcfn, s390_vcnf):
15509         New builtin definitions.
15510         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Bump
15511         vector extension version.
15512         * config/s390/s390.c (s390_expand_builtin): Check if builtins are
15513         available with current -march level.
15514         * config/s390/s390.md (UNSPEC_NNPA_VCLFNHS_V8HI)
15515         (UNSPEC_NNPA_VCLFNLS_V8HI, UNSPEC_NNPA_VCRNFS_V8HI)
15516         (UNSPEC_NNPA_VCFN_V8HI, UNSPEC_NNPA_VCNF_V8HI): New constants.
15517         * config/s390/vecintrin.h (vec_extend_to_fp32_hi): New macro.
15518         (vec_extend_to_fp32_lo): Likewise.
15519         (vec_round_from_fp32): Likewise.
15520         (vec_convert_to_fp16): Likewise.
15521         (vec_convert_from_fp16): Likewise.
15522         * config/s390/vx-builtins.md (vclfnhs_v8hi): New insn pattern.
15523         (vclfnls_v8hi): Likewise.
15524         (vcrnfs_v8hi): Likewise.
15525         (vcfn_v8hi): Likewise.
15526         (vcnf_v8hi): Likewise.
15527
15528 2021-03-02  Andreas Krebbel  <krebbel@linux.ibm.com>
15529
15530         * common/config/s390/s390-common.c (processor_flags_table): New entry.
15531         * config.gcc: Enable arch14 for --with-arch and --with-tune.
15532         * config/s390/driver-native.c (s390_host_detect_local_cpu): Pick
15533         arch14 for unknown CPU models.
15534         * config/s390/s390-opts.h (enum processor_type): Add PROCESSOR_ARCH14.
15535         * config/s390/s390.c (s390_issue_rate): Add case for PROCESSOR_ARCH14.
15536         (s390_get_sched_attrmask): Likewise.
15537         (s390_get_unit_mask): Likewise.
15538         * config/s390/s390.h (enum processor_flags): Add PF_NNPA and PF_ARCH14.
15539         (TARGET_CPU_ARCH14, TARGET_CPU_ARCH14_P, TARGET_CPU_NNPA)
15540         (TARGET_CPU_NNPA_P, TARGET_ARCH14, TARGET_ARCH14_P, TARGET_NNPA)
15541         (TARGET_NNPA_P): New macro definitions.
15542         * config/s390/s390.md ("cpu_facility", "enabled"): Add arch14 and nnpa.
15543         * config/s390/s390.opt: Add PROCESSOR_ARCH14.
15544
15545 2021-03-02  Jakub Jelinek  <jakub@redhat.com>
15546
15547         PR middle-end/95757
15548         * tree-vrp.c (register_edge_assert_for): Remove superfluous ()s around
15549         condition.  Call register_edge_assert_for_1 for == 0, != 0, == 1 and
15550         != 1 comparisons if name is lhs of a comparison.
15551
15552 2021-03-01  Iain Sandoe  <iain@sandoe.co.uk>
15553
15554         PR target/44107
15555         PR target/48097
15556         * config/darwin-protos.h (darwin_should_restore_cfa_state): New.
15557         * config/darwin.c (darwin_should_restore_cfa_state): New.
15558         * config/darwin.h (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New.
15559         * doc/tm.texi: Regenerated.
15560         * doc/tm.texi.in: Document TARGET_ASM_SHOULD_RESTORE_CFA_STATE.
15561         * dwarf2cfi.c (connect_traces): If the target requests, restore
15562         the CFA expression after a DW_CFA_restore.
15563         * target.def (TARGET_ASM_SHOULD_RESTORE_CFA_STATE): New hook.
15564
15565 2021-03-01  Martin Liska  <mliska@suse.cz>
15566
15567         PR target/99313
15568         * optc-save-gen.awk: Add 4 more exceptions.
15569
15570 2021-03-01  Nathan Sidwell  <nathan@acm.org>
15571
15572         PR c++/99294
15573         * tree.h (TYPE_ALIGN_RAW): New accessor.
15574         (TYPE_ALIGN): Use it.
15575
15576 2021-03-01  Jan Hubicka  <jh@suse.cz>
15577
15578         PR ipa/98338
15579         * ipa-fnsummary.c (compute_fn_summary): Fix sanity check.
15580
15581 2021-03-01  Eric Botcazou  <ebotcazou@adacore.com>
15582
15583         PR target/99234
15584         * config/i386/i386.c (ix86_compute_frame_layout): For a SEH target,
15585         point the hard frame pointer to the SSE register save area instead
15586         of the general register save area.  Perform only minimal adjustment
15587         for small frames if it is initially not correctly aligned.
15588         (ix86_expand_prologue): Remove early saves for a SEH target.
15589         * config/i386/winnt.c (struct seh_frame_state): Document constraint.
15590
15591 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
15592
15593         PR c/99304
15594         * ipa.c (symbol_table::remove_unreachable_nodes): Fix a comment
15595         typo - referneced -> referenced.
15596         * tree.c (component_ref_size): Fix comment typo -
15597         refernce -> reference.
15598         * tree-ssa-alias.c (access_path_may_continue_p): Fix comment typo -
15599         traling -> trailing.
15600         (aliasing_component_refs_p): Fix comment typos -
15601         refernce -> reference and refernece -> reference and
15602         traling -> trailing.
15603         (nonoverlapping_refs_since_match_p): Fix comment typo -
15604         referneces -> references.
15605         * doc/invoke.texi (--param modref-max-bases): Fix a typo -
15606         referneces -> references.
15607
15608 2021-02-27  Iain Sandoe  <iain@sandoe.co.uk>
15609
15610         * config/host-darwin.c (darwin_gt_pch_use_address): Modify
15611         diagnostic message to avoid use of a contraction and format
15612         warning.
15613
15614 2021-02-27  Jakub Jelinek  <jakub@redhat.com>
15615
15616         PR other/99288
15617         * gcse.c (gcse_or_cprop_is_too_expensive): Use %wu instead of
15618         HOST_WIDE_INT_PRINT_UNSIGNED in warning format string.
15619         * ipa-devirt.c (ipa_odr_read_section): Use %wd instead of
15620         HOST_WIDE_INT_PRINT_DEC in inform format string.  Fix comment
15621         typos.
15622
15623 2021-02-26  Richard Biener  <rguenther@suse.de>
15624
15625         PR middle-end/99281
15626         * expr.c (store_field): For calls with return-slot optimization
15627         and addressable return type expand the store directly.
15628
15629 2021-02-26  Richard Biener  <rguenther@suse.de>
15630
15631         PR c/99275
15632         * builtins.c (warn_string_no_nul): Fix diagnostic formatting.
15633
15634 2021-02-26  Peter Bergner  <bergner@linux.ibm.com>
15635
15636         PR target/99279
15637         * config/rs6000/rs6000-call.c (rs6000_init_builtins): Replace assert
15638         with an "if" test.
15639
15640 2021-02-26  Aaron Sawdey  <acsawdey@linux.ibm.com>
15641
15642         * config.gcc: Add rs6000-pcrel-opt.o.
15643         * config/rs6000/rs6000-pcrel-opt.c: New file.
15644         * config/rs6000/pcrel-opt.md: New file.
15645         * config/rs6000/predicates.md: Add d_form_memory predicate.
15646         * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_PCREL_OPT.
15647         * config/rs6000/rs6000-passes.def: Add pass_pcrel_opt.
15648         * config/rs6000/rs6000-protos.h: Add reg_to_non_prefixed(),
15649         pcrel_opt_valid_mem_p(), output_pcrel_opt_reloc(),
15650         and make_pass_pcrel_opt().
15651         * config/rs6000/rs6000.c (reg_to_non_prefixed): Make global.
15652         (rs6000_option_override_internal): Add pcrel-opt.
15653         (rs6000_delegitimize_address): Support pcrel-opt.
15654         (rs6000_opt_masks): Add pcrel-opt.
15655         (pcrel_opt_valid_mem_p): New function.
15656         (reg_to_non_prefixed): Make global.
15657         (rs6000_asm_output_opcode): Reset prepend_p_to_next_insn.
15658         (output_pcrel_opt_reloc): New function.
15659         * config/rs6000/rs6000.md (loads_extern_addr): New attr.
15660         (pcrel_extern_addr): Set loads_extern_addr.
15661         Add include for pcrel-opt.md.
15662         * config/rs6000/rs6000.opt: Add -mpcrel-opt.
15663         * config/rs6000/t-rs6000: Add rules for pcrel-opt.c and
15664         pcrel-opt.md.
15665
15666 2021-02-26  YunQiang Su  <yunqiang.su@cipunited.com>
15667
15668         PR target/98996
15669         * config/mips/mips.c (mips_expand_ext_as_unaligned_load):
15670         If TARGET_64BIT and dest is SUBREG, we check the width, if it
15671         equal to SImode, we use SImode operation, just like what we are
15672         doing for REG one.
15673
15674 2021-02-26  Marek Polacek  <polacek@redhat.com>
15675
15676         * builtins.c (warn_for_access): Fix typos.
15677
15678 2021-02-25  Iain Sandoe  <iain@sandoe.co.uk>
15679
15680         * config/aarch64/aarch64.md (<optab>_rol<mode>3): Add a '#'
15681         mark in front of the immediate quantity.
15682         (<optab>_rolsi3_uxtw): Likewise.
15683
15684 2021-02-25  Richard Earnshaw  <rearnsha@arm.com>
15685
15686         PR target/99271
15687         * config/arm/thumb2.md (nonsecure_call_reg_thumb2_fpcxt): New pattern.
15688         (nonsecure_call_value_reg_thumb2_fpcxt): Likewise.
15689         (nonsecure_call_reg_thumb2): Restrict to using r4 for the callee
15690         address and disable when the FPCXT is not available.
15691         (nonsecure_call_value_reg_thumb2): Likewise.
15692
15693 2021-02-25  Nathan Sidwell  <nathan@acm.org>
15694
15695         PR c++/99166
15696         * doc/invoke.texi (flang-info-module-cmi): Renamed option.
15697
15698 2021-02-25  Tamar Christina  <tamar.christina@arm.com>
15699
15700         * tree-vect-slp.c (optimize_load_redistribution_1): Abort on NULL nodes.
15701
15702 2021-02-25  Richard Biener  <rguenther@suse.de>
15703
15704         PR tree-optimization/99253
15705         * tree-vect-loop.c (check_reduction_path): First compute
15706         code, then verify out-of-loop uses.
15707
15708 2021-02-25  Jakub Jelinek  <jakub@redhat.com>
15709
15710         PR target/95798
15711         * match.pd ((T)(A) + CST -> (T)(A + CST)): Add :s to convert.
15712
15713 2021-02-25  Jakub Jelinek  <jakub@redhat.com>
15714
15715         PR tree-optimization/80635
15716         * tree-vrp.c (vrp_simplify_cond_using_ranges): Also handle
15717         VIEW_CONVERT_EXPR if modes are the same, innerop is integral and
15718         has mode precision.
15719
15720 2021-02-25  Richard Biener  <rguenther@suse.de>
15721
15722         * tree-vect-slp.c (optimize_load_redistribution_1): Delay
15723         load_map population.
15724         (vect_match_slp_patterns_2): Revert part of last change.
15725         (vect_analyze_slp): Do not interleave optimize_load_redistribution
15726         with pattern detection but do it afterwards.  Dump the
15727         whole SLP graph after pattern recognition and load
15728         redistribution optimization finished.
15729
15730 2021-02-24  Jakub Jelinek  <jakub@redhat.com>
15731
15732         PR fortran/99226
15733         * omp-low.c (struct omp_context): Add teams_nested_p and
15734         nonteams_nested_p members.
15735         (scan_omp_target): Diagnose teams nested inside of target with other
15736         directives strictly nested inside of the same target.
15737         (check_omp_nesting_restrictions): Set ctx->teams_nested_p or
15738         ctx->nonteams_nested_p as needed.
15739
15740 2021-02-24  Vladimir N. Makarov  <vmakarov@redhat.com>
15741
15742         PR inline-asm/99123
15743         * lra-constraints.c (uses_hard_regs_p): Don't use decompose_mem_address.
15744
15745 2021-02-24  Hans-Peter Nilsson  <hp@axis.com>
15746
15747         * config/cris/cris.c (cris_expand_prologue): Set
15748         current_function_static_stack_size, if flag_stack_usage_info.
15749
15750 2021-02-24  Pat Haugen  <pthaugen@linux.ibm.com>
15751
15752         * config/rs6000/rs6000.c (next_insn_prefixed_p): Rename.
15753         (rs6000_final_prescan_insn): Adjust.
15754         (rs6000_asm_output_opcode): Likewise.
15755
15756 2021-02-24  Martin Sebor  <msebor@redhat.com>
15757
15758         PR middle-end/97172
15759         * attribs.c (attr_access::free_lang_data): Clear attribute arg spec
15760         from function arguments.
15761
15762 2021-02-24  Tamar Christina  <tamar.christina@arm.com>
15763
15764         PR tree-optimization/99220
15765         * tree-vect-slp.c (optimize_load_redistribution_1): Remove
15766         node from cache when it's about to be deleted.
15767
15768 2021-02-24  Jakub Jelinek  <jakub@redhat.com>
15769
15770         PR tree-optimization/99225
15771         * fold-const.c (fold_binary_loc) <case NE_EXPR>: In (x & (1 << y)) != 0
15772         to ((x >> y) & 1) != 0 simplifications use build_one_cst instead of
15773         build_int_cst (..., 1).  Formatting fixes.
15774
15775 2021-02-24  Tamar Christina  <tamar.christina@arm.com>
15776
15777         PR tree-optimization/99149
15778         * tree-vect-slp-patterns.c (vect_detect_pair_op): Don't recreate the
15779         buffer.
15780         (vect_slp_reset_pattern): Remove.
15781         (complex_fma_pattern::matches): Remove call to vect_slp_reset_pattern.
15782         (complex_mul_pattern::build, complex_fma_pattern::build,
15783         complex_fms_pattern::build): Fix ref counts.
15784         * tree-vect-slp.c (vect_free_slp_tree): Undo SLP only pattern relevancy
15785         when node is being deleted.
15786         (vect_match_slp_patterns_2): Correct result of cache hit on patterns.
15787         (vect_schedule_slp): Invalidate SLP_TREE_REPRESENTATIVE of removed
15788         stores.
15789         * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize value.
15790
15791 2021-02-24  Matthias Klose  <doko@ubuntu.com>
15792
15793         Revert:
15794         2020-12-07  Matthias Klose  <doko@ubuntu.com>
15795
15796         * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
15797         and ENABLE_RTL_FLAG_CHECKING.
15798
15799 2021-02-24  Richard Biener  <rguenther@suse.de>
15800
15801         PR c/99224
15802         * builtins.c (fold_builtin_next_arg): Avoid NULL arg.
15803
15804 2021-02-23  Peter Bergner  <bergner@linux.ibm.com>
15805
15806         * config/rs6000/mma.md (mma_assemble_pair): Rename from this...
15807         (vsx_assemble_pair): ...to this.
15808         (*mma_assemble_pair): Rename from this...
15809         (*vsx_assemble_pair): ...to this.
15810         (mma_disassemble_pair): Rename from this...
15811         (vsx_disassemble_pair): ...to this.
15812         (*mma_disassemble_pair): Rename from this...
15813         (*vsx_disassemble_pair): ...to this.
15814         * config/rs6000/rs6000-builtin.def (BU_MMA_V2, BU_MMA_V3,
15815         BU_COMPAT): New macros.
15816         (mma_assemble_pair): Rename from this...
15817         (vsx_assemble_pair): ...to this.
15818         (mma_disassemble_pair): Rename from this...
15819         (vsx_disassemble_pair): ...to this.
15820         (mma_assemble_pair): New compatibility built-in.
15821         (mma_disassemble_pair): Likewise.
15822         * config/rs6000/rs6000-call.c (struct builtin_compatibility): New.
15823         (RS6000_BUILTIN_COMPAT): Define.
15824         (bdesc_compat): New.
15825         (mma_expand_builtin): Use VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15826         (rs6000_gimple_fold_mma_builtin): Use MMA_BUILTIN_DISASSEMBLE_PAIR
15827         and VSX_BUILTIN_ASSEMBLE_PAIR.
15828         (rs6000_init_builtins): Register compatibility built-ins.
15829         (mma_init_builtins): Use VSX_BUILTIN_ASSEMBLE_PAIR,
15830         VSX_BUILTIN_ASSEMBLE_PAIR_INTERNAL, VSX_BUILTIN_DISASSEMBLE_PAIR and
15831         VSX_BUILTIN_DISASSEMBLE_PAIR_INTERNAL.
15832         * doc/extend.texi (__builtin_mma_assemble_pair): Rename from this...
15833         (__builtin_vsx_assemble_pair): ...to this.
15834         (__builtin_mma_disassemble_pair): Rename from this...
15835         (__builtin_vsx_disassemble_pair): ...to this.
15836
15837 2021-02-23  Martin Liska  <mliska@suse.cz>
15838
15839         PR sanitizer/99168
15840         * ipa-icf.c (sem_variable::merge): Do not merge 2 variables
15841         with different alignment. That leads to an invalid red zone
15842         size allocated in runtime.
15843
15844 2021-02-23  Jakub Jelinek  <jakub@redhat.com>
15845
15846         PR tree-optimization/99204
15847         * fold-const.c (fold_read_from_constant_string): Check that
15848         tree_fits_uhwi_p (index) rather than just that index is INTEGER_CST.
15849
15850 2021-02-23  Segher Boessenkool  <segher@kernel.crashing.org>
15851             Kewen Lin  <linkw@gcc.gnu.org>
15852
15853         * config/rs6000/rs6000.md (*rotl<mode>3_insert_3): Renamed to...
15854         (rotl<mode>3_insert_3): ...this.
15855         (plus_ior_xor): New code_iterator.
15856         (define_split for GPR rl*imi): New splitter.
15857         * config/rs6000/vsx.md (vsx_init_v4si): Use gen_rotldi3_insert_3
15858         for integer merging.
15859
15860 2021-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15861
15862         * config/aarch64/aarch64-tuning-flags.def (cse_sve_vl_constants):
15863         Define.
15864         * config/aarch64/aarch64.md (add<mode>3): Force CONST_POLY_INT immediates
15865         into a register when the above is enabled.
15866         * config/aarch64/aarch64.c (neoversev1_tunings):
15867         AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15868         (aarch64_rtx_costs): Use AARCH64_EXTRA_TUNE_CSE_SVE_VL_CONSTANTS.
15869
15870 2021-02-22  Hans-Peter Nilsson  <hp@axis.com>
15871
15872         * config/cris/cris.c (cris_print_operand) <'T'>: Change
15873         valid operand from is now an addi mult-value to shift-value.
15874         * config/cris/cris.md (*addi): Change expression of scaled
15875         operand from mult to ashift.
15876         * config/cris/cris.md (*addi_reload): New insn_and_split.
15877
15878 2021-02-22  John David Anglin  <danglin@gcc.gnu.org>
15879
15880         PR target/85074
15881         * config/pa/pa.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define as
15882         hook_bool_const_tree_hwi_hwi_const_tree_true.
15883         (pa_asm_output_mi_thunk): Add support for nonzero vcall_offset.
15884
15885 2021-02-22  Andre Vieira  <andre.simoesdiasvieira@arm.com>
15886
15887         PR rtl-optimization/98791
15888         * ira-conflicts.c (process_regs_for_copy): Don't create allocno copies
15889         for unordered modes.
15890
15891 2021-02-22  Martin Liska  <mliska@suse.cz>
15892
15893         * tree-inline.c (inline_forbidden_p): Set
15894         inline_forbidden_reason.
15895
15896 2021-02-22  Richard Biener  <rguenther@suse.de>
15897
15898         * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Dump
15899         costed subgraph.
15900
15901 2021-02-22  Richard Biener  <rguenther@suse.de>
15902
15903         PR tree-optimization/99165
15904         * gimple-ssa-store-merging.c (pass_store_merging::process_store):
15905         Accumulate changed to ret.
15906
15907 2021-02-21  Uros Bizjak  <ubizjak@gmail.com>
15908
15909         Revert:
15910         2020-12-09  Uroš Bizjak  <ubizjak@gmail.com>
15911
15912         * config/i386/i386.h (REG_ALLOC_ORDER): Remove
15913
15914 2021-02-20  Ilya Leoshkevich  <iii@linux.ibm.com>
15915
15916         PR target/99134
15917         * config/s390/vector.md (trunctf<DFP_ALL:mode>2_vr): New
15918         pattern.
15919         (trunctf<DFP_ALL:mode>2): Likewise.
15920         (trunctdtf2_vr): Likewise.
15921         (trunctdtf2): Likewise.
15922         (extend<DFP_ALL:mode>tf2_vr): Likewise.
15923         (extend<DFP_ALL:mode>tf2): Likewise.
15924         (extendtftd2_vr): Likewise.
15925         (extendtftd2): Likewise.
15926
15927 2021-02-20  Ilya Leoshkevich  <iii@linux.ibm.com>
15928
15929         * config/s390/vector.md (*fprx2_to_tf): Rename to fprx2_to_tf,
15930         add memory alternative.
15931         (tf_to_fprx2): New pattern.
15932
15933 2021-02-19  Martin Sebor  <msebor@redhat.com>
15934
15935         PR c/97172
15936         * attribs.c (init_attr_rdwr_indices): Guard vblist use.
15937         (attr_access::free_lang_data): Remove a spurious test.
15938
15939 2021-02-19  Nathan Sidwell  <nathan@acm.org>
15940
15941         * doc/invoke.texi (flang-info-module-read): Document.
15942
15943 2021-02-19  Martin Liska  <mliska@suse.cz>
15944
15945         PR translation/99167
15946         * params.opt: Fix typo.
15947
15948 2021-02-19  Richard Biener  <rguenther@suse.de>
15949
15950         PR middle-end/99122
15951         * tree-inline.c (inline_forbidden_p): Do not inline functions
15952         with VLA arguments or return value.
15953
15954 2021-02-19  Jakub Jelinek  <jakub@redhat.com>
15955
15956         PR target/98998
15957         * config/arm/arm.md (*stack_protect_combined_set_insn,
15958         *stack_protect_combined_test_insn): If force_const_mem result
15959         is not valid general operand, force its address into the destination
15960         register first.
15961
15962 2021-02-19  Jakub Jelinek  <jakub@redhat.com>
15963
15964         PR ipa/99034
15965         * tree-cfg.c (gimple_merge_blocks): If bb a starts with eh landing
15966         pad or non-local label, put FORCED_LABELs from bb b after that label
15967         rather than before it.
15968
15969 2021-02-19  Andre Vieira  <andre.simoesdiasvieira@arm.com>
15970
15971         PR target/98657
15972         * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
15973         expand_vector_broadcast' to emit the vec_duplicate operand.
15974
15975 2021-02-18  Vladimir N. Makarov  <vmakarov@redhat.com>
15976
15977         PR rtl-optimization/96264
15978         * lra-remat.c (reg_overlap_for_remat_p): Check also output insn
15979         hard regs.
15980
15981 2021-02-18  H.J. Lu  <hjl.tools@gmail.com>
15982
15983         PR target/99113
15984         * varasm.c (get_section): Replace SUPPORTS_SHF_GNU_RETAIN with
15985         looking up the retain attribute.
15986         (resolve_unique_section): Likewise.
15987         (get_variable_section): Likewise.
15988         (switch_to_section): Likewise.  Warn when a symbol without the
15989         retain attribute and a symbol with the retain attribute are
15990         placed in the section with the same name, instead of the used
15991         attribute.
15992         * doc/extend.texi: Document the "retain" attribute.
15993
15994 2021-02-18  Nathan Sidwell  <nathan@acm.org>
15995
15996         PR c++/99023
15997         * doc/invoke.texi (flang-info-include-translate): Document header
15998         lookup behaviour.
15999
16000 2021-02-18  Richard Biener  <rguenther@suse.de>
16001
16002         PR middle-end/99122
16003         * ipa-fnsummary.c (analyze_function_body): Set
16004         CIF_FUNCTION_NOT_INLINABLE for VLA parameter calls.
16005         * tree-inline.c (insert_init_debug_bind): Pass NULL for
16006         error_mark_node values.
16007         (force_value_to_type): Do not build V_C_Es for WITH_SIZE_EXPR
16008         values.
16009         (setup_one_parameter): Delay force_value_to_type until when
16010         it's needed.
16011
16012 2021-02-18  Hans-Peter Nilsson  <hp@axis.com>
16013
16014         PR tree-optimization/99142
16015         * match.pd (clz cmp 0): Gate replacement on single_use of clz result.
16016
16017 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
16018
16019         * wide-int-bitmask.h (wide_int_bitmask::wide_int_bitmask (),
16020         wide_int_bitmask::wide_int_bitmask (uint64_t),
16021         wide_int_bitmask::wide_int_bitmask (uint64_t, uint64_t),
16022         wide_int_bitmask::operator ~ () const,
16023         wide_int_bitmask::operator | (wide_int_bitmask) const,
16024         wide_int_bitmask::operator & (wide_int_bitmask) const): Use constexpr
16025         instead of inline.
16026         * config/i386/i386.h (PTA_3DNOW, PTA_3DNOW_A, PTA_64BIT, PTA_ABM,
16027         PTA_AES, PTA_AVX, PTA_BMI, PTA_CX16, PTA_F16C, PTA_FMA, PTA_FMA4,
16028         PTA_FSGSBASE, PTA_LWP, PTA_LZCNT, PTA_MMX, PTA_MOVBE, PTA_NO_SAHF,
16029         PTA_PCLMUL, PTA_POPCNT, PTA_PREFETCH_SSE, PTA_RDRND, PTA_SSE, PTA_SSE2,
16030         PTA_SSE3, PTA_SSE4_1, PTA_SSE4_2, PTA_SSE4A, PTA_SSSE3, PTA_TBM,
16031         PTA_XOP, PTA_AVX2, PTA_BMI2, PTA_RTM, PTA_HLE, PTA_PRFCHW, PTA_RDSEED,
16032         PTA_ADX, PTA_FXSR, PTA_XSAVE, PTA_XSAVEOPT, PTA_AVX512F, PTA_AVX512ER,
16033         PTA_AVX512PF, PTA_AVX512CD, PTA_NO_TUNE, PTA_SHA, PTA_PREFETCHWT1,
16034         PTA_CLFLUSHOPT, PTA_XSAVEC, PTA_XSAVES, PTA_AVX512DQ, PTA_AVX512BW,
16035         PTA_AVX512VL, PTA_AVX512IFMA, PTA_AVX512VBMI, PTA_CLWB, PTA_MWAITX,
16036         PTA_CLZERO, PTA_NO_80387, PTA_PKU, PTA_AVX5124VNNIW, PTA_AVX5124FMAPS,
16037         PTA_AVX512VPOPCNTDQ, PTA_SGX, PTA_AVX512VNNI, PTA_GFNI, PTA_VAES,
16038         PTA_AVX512VBMI2, PTA_VPCLMULQDQ, PTA_AVX512BITALG, PTA_RDPID,
16039         PTA_PCONFIG, PTA_WBNOINVD, PTA_AVX512VP2INTERSECT, PTA_PTWRITE,
16040         PTA_AVX512BF16, PTA_WAITPKG, PTA_MOVDIRI, PTA_MOVDIR64B, PTA_ENQCMD,
16041         PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK, PTA_AMX_TILE, PTA_AMX_INT8,
16042         PTA_AMX_BF16, PTA_UINTR, PTA_HRESET, PTA_KL, PTA_WIDEKL, PTA_AVXVNNI,
16043         PTA_X86_64_BASELINE, PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4,
16044         PTA_CORE2, PTA_NEHALEM, PTA_WESTMERE, PTA_SANDYBRIDGE, PTA_IVYBRIDGE,
16045         PTA_HASWELL, PTA_BROADWELL, PTA_SKYLAKE, PTA_SKYLAKE_AVX512,
16046         PTA_CASCADELAKE, PTA_COOPERLAKE, PTA_CANNONLAKE, PTA_ICELAKE_CLIENT,
16047         PTA_ICELAKE_SERVER, PTA_TIGERLAKE, PTA_SAPPHIRERAPIDS, PTA_ALDERLAKE,
16048         PTA_KNL, PTA_BONNELL, PTA_SILVERMONT, PTA_GOLDMONT, PTA_GOLDMONT_PLUS,
16049         PTA_TREMONT, PTA_KNM): Use constexpr instead of const.
16050
16051 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
16052
16053         PR middle-end/99109
16054         * gimple-array-bounds.cc (build_zero_elt_array_type): Rename to ...
16055         (build_printable_array_type): ... this.  Add nelts argument.  For
16056         overaligned eltype, use TYPE_MAIN_VARIANT (eltype) instead.  If
16057         nelts, call build_array_type_nelts.
16058         (array_bounds_checker::check_mem_ref): Use build_printable_array_type
16059         instead of build_zero_elt_array_type and build_array_type_nelts.
16060
16061 2021-02-18  Jakub Jelinek  <jakub@redhat.com>
16062
16063         PR target/99104
16064         * config/i386/i386.c (distance_non_agu_define): Don't call
16065         extract_insn_cached here.
16066         (ix86_lea_outperforms): Save and restore recog_data around call
16067         to distance_non_agu_define and distance_agu_use.
16068         (ix86_ok_to_clobber_flags): Remove.
16069         (ix86_avoid_lea_for_add): Don't call ix86_ok_to_clobber_flags.
16070         (ix86_avoid_lea_for_addr): Likewise.  Adjust function comment.
16071         * config/i386/i386.md (*lea<mode>): Change from define_insn_and_split
16072         into define_insn.  Move the splitting to define_peephole2 and
16073         check there using peep2_regno_dead_p if FLAGS_REG is dead.
16074
16075 2021-02-17  Julian Brown  <julian@codesourcery.com>
16076
16077         * gimplify.c (gimplify_scan_omp_clauses): Handle ATTACH_DETACH
16078         for non-decls.
16079
16080 2021-02-17  Xi Ruoyao  <xry111@mengyan1223.wang>
16081
16082         PR target/98491
16083         * config/mips/mips.c (mips_symbol_insns): Do not use
16084         MSA_SUPPORTED_MODE_P if mode is MAX_MACHINE_MODE.
16085
16086 2021-02-16  Vladimir N. Makarov  <vmakarov@redhat.com>
16087
16088         PR inline-asm/98096
16089         * stmt.c (resolve_operand_name_1): Take inout operands into account
16090         for access to labels by names.
16091         * doc/extend.texi: Describe counting operands for accessing labels.
16092
16093 2021-02-16  Richard Biener  <rguenther@suse.de>
16094
16095         PR tree-optimization/38474
16096         * tree-ssa-structalias.c (variable_info::address_taken): New.
16097         (new_var_info): Initialize address_taken.
16098         (process_constraint): Set address_taken.
16099         (solve_constraints): Use the new address_taken flag rather
16100         than is_reg_var for sorting variables.
16101         (dump_constraint): Dump the variable number if the name
16102         is just NULL.
16103
16104 2021-02-16  Jakub Jelinek  <jakub@redhat.com>
16105
16106         PR target/99100
16107         * tree-vect-stmts.c (vectorizable_simd_clone_call): For num_calls != 1
16108         multiply by 4096 and for inbranch by 8192.
16109         * config/i386/i386.c (ix86_simd_clone_usable): For TARGET_AVX512F,
16110         return 3, 2 or 1 for mangle letters 'b', 'c' or 'd'.
16111
16112 2021-02-15  Maya Rashish  <coypu@sdf.org>
16113
16114         * config/aarch64/aarch64.c (aarch64_init_builtins):
16115         Call SUBTARGET_INIT_BUILTINS.
16116
16117 2021-02-15  Peter Bergner  <bergner@linux.ibm.com>
16118
16119         PR rtl-optimization/98872
16120         * init-regs.c (initialize_uninitialized_regs): Skip initialization
16121         if CONST0_RTX is NULL.
16122
16123 2021-02-15  Richard Sandiford  <richard.sandiford@arm.com>
16124
16125         PR rtl-optimization/98863
16126         * rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
16127         (function_info::build_info): Turn into a declaration, moving the
16128         definition to internals.h.
16129         (function_info::bb_walker): Declare.
16130         (function_info::create_reg_use): Likewise.
16131         (function_info::calculate_potential_phi_regs): Take a build_info
16132         parameter.
16133         (function_info::place_phis, function_info::create_ebbs): Declare.
16134         (function_info::calculate_ebb_live_in_for_debug): Likewise.
16135         (function_info::populate_backedge_phis): Delete.
16136         (function_info::start_block, function_info::end_block): Declare.
16137         (function_info::populate_phi_inputs): Delete.
16138         (function_info::m_potential_phi_regs): Move information to build_info.
16139         * rtl-ssa/internals.h: New file.
16140         (function_info::bb_phi_info): New class.
16141         (function_info::build_info): Moved from functions.h.
16142         Add a constructor and destructor.
16143         (function_info::build_info::ebb_use): Delete.
16144         (function_info::build_info::ebb_def): Likewise.
16145         (function_info::build_info::bb_live_out): Likewise.
16146         (function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
16147         (function_info::build_info::potential_phi_regs): Likewise.
16148         (function_info::build_info::potential_phi_regs_for_debug): Likewise.
16149         (function_info::build_info::ebb_def_regs): Likewise.
16150         (function_info::build_info::bb_phis): Likewise.
16151         (function_info::build_info::bb_mem_live_out): Likewise.
16152         (function_info::build_info::bb_to_rpo): Likewise.
16153         (function_info::build_info::def_stack): Likewise.
16154         (function_info::build_info::old_def_stack_limit): Likewise.
16155         * rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
16156         Remove the regno argument.  Push the previous definition onto the
16157         definition stack where necessary.
16158         * rtl-ssa/accesses.cc: Include internals.h.
16159         * rtl-ssa/changes.cc: Likewise.
16160         * rtl-ssa/blocks.cc: Likewise.
16161         (function_info::build_info::build_info): Define.
16162         (function_info::build_info::~build_info): Likewise.
16163         (function_info::bb_walker): New class.
16164         (function_info::bb_walker::bb_walker): Define.
16165         (function_info::add_live_out_use): Convert a logarithmic-complexity
16166         test into a linear one.  Allow the same definition to be passed
16167         multiple times.
16168         (function_info::calculate_potential_phi_regs): Moved from
16169         functions.cc.  Take a build_info parameter and store the
16170         information there instead.
16171         (function_info::place_phis): New function.
16172         (function_info::add_entry_block_defs): Update call to record_reg_def.
16173         (function_info::calculate_ebb_live_in_for_debug): New function.
16174         (function_info::add_phi_nodes): Use bb_phis to decide which
16175         registers need phi nodes and initialize ebb_def_regs accordingly.
16176         Do not add degenerate phis here.
16177         (function_info::add_artificial_accesses): Use create_reg_use.
16178         Assert that all definitions are listed in the DF LR sets.
16179         Update call to record_reg_def.
16180         (function_info::record_block_live_out): Record live-out register
16181         values in the phis of successor blocks.  Use the live-out set
16182         when processing the last block in an EBB, instead of always
16183         using the live-in sets of successor blocks.  AND the live sets
16184         with the set of registers that have been defined in the EBB,
16185         rather than with all potential phi registers.  Cope correctly
16186         with branches back to the start of the current EBB.
16187         (function_info::start_block): New function.
16188         (function_info::end_block): Likewise.
16189         (function_info::populate_phi_inputs): Likewise.
16190         (function_info::create_ebbs): Likewise.
16191         (function_info::process_all_blocks): Rewrite into a multi-phase
16192         process.
16193         * rtl-ssa/functions.cc: Include internals.h.
16194         (function_info::calculate_potential_phi_regs): Move to blocks.cc.
16195         (function_info::init_function_data): Remove caller.
16196         * rtl-ssa/insns.cc: Include internals.h
16197         (function_info::create_reg_use): New function.  Lazily any
16198         degenerate phis needed by the linear RPO view.
16199         (function_info::record_use): Use create_reg_use.  When processing
16200         debug uses, use potential_phi_regs and test it before checking
16201         whether the register is live on entry to the current EBB.  Lazily
16202         calculate ebb_live_in_for_debug.
16203         (function_info::record_call_clobbers): Update call to record_reg_def.
16204         (function_info::record_def): Likewise.
16205
16206 2021-02-15  Martin Liska  <mliska@suse.cz>
16207
16208         * toplev.c (init_asm_output): Free output of
16209         gen_command_line_string function.
16210         (process_options): Likewise.
16211
16212 2021-02-15  Martin Liska  <mliska@suse.cz>
16213
16214         * params.opt: Add 2 missing Param keywords.
16215
16216 2021-02-15  Eric Botcazou  <ebotcazou@adacore.com>
16217
16218         * df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
16219
16220 2021-02-15  Jakub Jelinek  <jakub@redhat.com>
16221
16222         PR tree-optimization/99079
16223         * match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
16224         useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check.  Instead
16225         require both type and TREE_TYPE (@1) to be integral types and either
16226         type having smaller or equal precision, or TREE_TYPE (@1) being
16227         unsigned type, or type being signed type.  If TREE_TYPE (@1)
16228         doesn't have wrapping overflow, perform the subtraction of one in
16229         unsigned type.
16230
16231 2021-02-14  Jan Hubicka  <hubicka@ucw.cz>
16232             Richard Biener  <rguether@suse.de>
16233
16234         PR ipa/97346
16235         * ipa-reference.c (ipa_init): Only conditinally initialize
16236         reference_vars_to_consider.
16237         (propagate): Conditionally deninitialize reference_vars_to_consider.
16238         (ipa_reference_write_optimization_summary): Sanity check that
16239         reference_vars_to_consider is not allocated.
16240
16241 2021-02-13  Levy Hsu  <admin@levyhsu.com>
16242
16243         PR target/97417
16244         * config/riscv/riscv-shorten-memrefs.c (pass_shorten_memrefs): Add
16245         extend parameter to get_si_mem_base_reg declaration.
16246         (get_si_mem_base_reg): Add extend parameter.  Set it.
16247         (analyze): Pass extend arg to get_si_mem_base_reg.
16248         (transform): Likewise.  Use it when rewriting mems.
16249         * config/riscv/riscv.c (riscv_legitimize_move): Check for subword
16250         loads and emit sign/zero extending load followed by subreg move.
16251
16252 2021-02-13  Jim Wilson  <jimw@sifive.com>
16253
16254         PR target/97417
16255         * config/riscv/riscv.c (riscv_compressed_lw_address_p): Drop early
16256         exit when !reload_completed.  Only perform check for compressed reg
16257         if reload_completed.
16258         (riscv_rtx_costs): In MEM case, when optimizing for size and
16259         shorten memrefs, if not compressible, then increase cost.
16260
16261 2021-02-13  Jakub Jelinek  <jakub@redhat.com>
16262
16263         PR rtl-optimization/98439
16264         * recog.c (pass_split_before_regstack::gate): Enable even when
16265         pass_split_before_sched2 is enabled if -fselective-scheduling2 is
16266         on.
16267
16268 2021-02-13  Jakub Jelinek  <jakub@redhat.com>
16269
16270         PR target/96166
16271         * config/i386/mmx.md (*mmx_pshufd_1): Add a combine splitter for
16272         swap of V2SImode elements in memory into DImode memory rotate by 32.
16273
16274 2021-02-12  Martin Sebor  <msebor@redhat.com>
16275
16276         * tree-pretty-print.c (print_generic_expr_to_str): Update comment.
16277
16278 2021-02-12  Richard Sandiford  <richard.sandiford@arm.com>
16279
16280         * rtl-ssa/accesses.cc (function_info::make_use_available): Use
16281         m_temp_obstack rather than m_obstack to allocate the temporary use.
16282
16283 2021-02-12  Richard Sandiford  <richard.sandiford@arm.com>
16284
16285         * df-problems.c (df_lr_bb_local_compute): Treat partial definitions
16286         as read-modify operations.
16287
16288 2021-02-12  Richard Biener  <rguenther@suse.de>
16289
16290         PR middle-end/38474
16291         * ipa-fnsummary.c (unmodified_parm_1): Only walk when
16292         fbi->aa_walk_budget is bigger than zero.  Update
16293         fbi->aa_walk_budget.
16294         (param_change_prob): Likewise.
16295         * ipa-prop.c (detect_type_change_from_memory_writes):
16296         Properly account walk_aliased_vdefs.
16297         (parm_preserved_before_stmt_p): Canonicalize updates.
16298         (parm_ref_data_preserved_p): Likewise.
16299         (parm_ref_data_pass_through_p): Likewise.
16300         (determine_known_aggregate_parts): Account own alias queries.
16301
16302 2021-02-12  Martin Liska  <mliska@suse.cz>
16303
16304         * opts-common.c (decode_cmdline_option): Release werror_arg.
16305         * opts.c (gen_producer_string): Release output of
16306         gen_command_line_string.
16307
16308 2021-02-12  Richard Biener  <rguenther@suse.de>
16309
16310         PR tree-optimization/38474
16311         * params.opt (-param=max-store-chains-to-track=): New param.
16312         (-param=max-stores-to-track=): Likewise.
16313         * doc/invoke.texi (max-store-chains-to-track): Document.
16314         (max-stores-to-track): Likewise.
16315         * gimple-ssa-store-merging.c (pass_store_merging::m_n_chains):
16316         New.
16317         (pass_store_merging::m_n_stores): Likewise.
16318         (pass_store_merging::terminate_and_process_chain): Update
16319         m_n_stores and m_n_chains.
16320         (pass_store_merging::process_store): Likewise.   Terminate
16321         oldest chains if the number of stores or chains get too large.
16322         (imm_store_chain_info::terminate_and_process_chain): Dump
16323         chain length.
16324
16325 2021-02-11  Eric Botcazou  <ebotcazou@adacore.com>
16326
16327         * config/i386/winnt.c (i386_pe_seh_unwind_emit): When switching to
16328         the cold section, emit a nop before the directive if the previous
16329         active instruction can throw.
16330
16331 2021-02-11  Peter Bergner  <bergner@linux.ibm.com>
16332
16333         PR target/99041
16334         * config/rs6000/predicates.md (mma_assemble_input_operand): Restrict
16335         memory addresses that are legal for quad word accesses.
16336
16337 2021-02-11  Andrea Corallo  <andrea.corallo@arm.com>
16338
16339         PR target/98931
16340         * config/arm/thumb2.md (*doloop_end_internal): Generate
16341         alternative sequence to handle long range branches.
16342
16343 2021-02-11  Joel Hutton  <joel.hutton@arm.com>
16344
16345         PR tree-optimization/98772
16346         * optabs-tree.c (supportable_half_widening_operation): New function
16347         to check for supportable V8QI->V8HI widening patterns.
16348         * optabs-tree.h (supportable_half_widening_operation): New function.
16349         * tree-vect-stmts.c (vect_create_half_widening_stmts): New function
16350         to create promotion stmts for V8QI->V8HI widening patterns.
16351         (vectorizable_conversion): Add case for V8QI->V8HI.
16352
16353 2021-02-11  Richard Biener  <rguenther@suse.de>
16354
16355         * sparseset.h (SPARSESET_ELT_BITS): Remove.
16356         (SPARSESET_ELT_TYPE): Use unsigned int.
16357         * fwprop.c: Do not include sparseset.h.
16358
16359 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
16360
16361         PR c++/99035
16362         * varasm.c (declare_weak): For -fsyntax-only, allow even
16363         TREE_ASM_WRITTEN function decls.
16364
16365 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
16366
16367         PR target/99025
16368         * config/i386/sse.md (fix<fixunssuffix>_truncv2sfv2di2,
16369         <insn>v8qiv8hi2, <insn>v8qiv8si2, <insn>v4qiv4si2, <insn>v4hiv4si2,
16370         <insn>v8qiv8di2, <insn>v4qiv4di2, <insn>v2qiv2di2, <insn>v4hiv4di2,
16371         <insn>v2hiv2di2, <insn>v2siv2di2): Force operands[1] into REG before
16372         calling simplify_gen_subreg on it.
16373
16374 2021-02-10  Martin Liska  <mliska@suse.cz>
16375
16376         * config/nvptx/nvptx.c (nvptx_option_override): Use
16377         flag_patchable_function_entry instead of the removed
16378         function_entry_patch_area_size.
16379
16380 2021-02-10  Martin Liska  <mliska@suse.cz>
16381
16382         PR tree-optimization/99002
16383         PR tree-optimization/99026
16384         * gimple-if-to-switch.cc (if_chain::is_beneficial): Fix memory
16385         leak when adjacent cases are merged.
16386         * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement): Use
16387         release_clusters.
16388         (make_pass_lower_switch): Remove trailing whitespace.
16389         * tree-switch-conversion.h (release_clusters): New.
16390
16391 2021-02-10  Richard Biener  <rguenther@suse.de>
16392
16393         PR rtl-optimization/99054
16394         * cfgrtl.c (rtl-optimization/99054): Return an auto_vec.
16395         (fixup_partitions): Adjust.
16396         (rtl_verify_edges): Likewise.
16397
16398 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
16399
16400         PR middle-end/99007
16401         * gimplify.c (gimplify_scan_omp_clauses): For MEM_REF on reductions,
16402         temporarily disable gimplify_ctxp->into_ssa around gimplify_expr
16403         calls.
16404
16405 2021-02-10  Richard Biener  <rguenther@suse.de>
16406
16407         PR ipa/99029
16408         * ipa-pure-const.c (propagate_malloc): Use an auto_vec<>
16409         for callees.
16410
16411 2021-02-10  Richard Biener  <rguenther@suse.de>
16412
16413         PR tree-optimization/99024
16414         * tree-vect-loop.c (_loop_vec_info::~_loop_vec_info): Only
16415         clear loop->aux if it is associated with the destroyed loop_vinfo.
16416
16417 2021-02-10  Martin Liska  <mliska@suse.cz>
16418
16419         PR tree-optimization/99002
16420         * gimple-if-to-switch.cc (find_conditions): Fix memory leak
16421         in the function.
16422
16423 2021-02-10  Martin Liska  <mliska@suse.cz>
16424
16425         PR ipa/99003
16426         * ipa-icf.c (sem_item::add_reference): Fix memory leak when
16427         a reference exists.
16428
16429 2021-02-10  Jakub Jelinek  <jakub@redhat.com>
16430
16431         PR debug/98755
16432         * dwarf2out.c (prune_unused_types_walk): Mark DW_TAG_variable DIEs
16433         at class scope for DWARF5+.
16434
16435 2021-02-09  Eric Botcazou  <ebotcazou@adacore.com>
16436
16437         PR rtl-optimization/96015
16438         * reorg.c (skip_consecutive_labels): Minor comment tweaks.
16439         (relax_delay_slots): When deleting a jump to the next active
16440         instruction over a barrier, first delete the barrier if the
16441         jump is the only way to reach the target label.
16442
16443 2021-02-09  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16444
16445         * config/aarch64/aarch64-cost-tables.h: Add entries for vect.mul.
16446         * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Use vect.mul for
16447         vector multiplies and vect.alu for SSRA.
16448         * config/arm/aarch-common-protos.h (struct vector_cost_table): Define
16449         vect.mul cost field.
16450         * config/arm/aarch-cost-tables.h: Add entries for vect.mul.
16451         * config/arm/arm.c: Likewise.
16452
16453 2021-02-09  Richard Biener  <rguenther@suse.de>
16454
16455         PR tree-optimization/98863
16456         * tree-ssa-sccvn.h (vn_avail::next_undo): Add.
16457         * tree-ssa-sccvn.c (last_pushed_avail): New global.
16458         (rpo_elim::eliminate_push_avail): Chain pushed avails.
16459         (unwind_state::avail_top): Add.
16460         (do_unwind): Rewrite unwinding of avail entries.
16461         (do_rpo_vn): Initialize last_pushed_avail and
16462         avail_top of the undo state.
16463
16464 2021-02-09  Jakub Jelinek  <jakub@redhat.com>
16465
16466         PR middle-end/99004
16467         * calls.c (maybe_warn_rdwr_sizes): Change s0 and s1 type from
16468         const char * to char * and free those pointers after use.
16469
16470 2021-02-09  Richard Biener  <rguenther@suse.de>
16471
16472         PR tree-optimization/99017
16473         * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Allow
16474         zero vector cost entries.
16475
16476 2021-02-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16477
16478         PR middle-end/98974
16479         * tree-vect-stmts.c (vectorizable_condition): Remove shadow vec_num
16480         parameter in vectorizable_condition.
16481
16482 2021-02-08  Richard Biener  <rguenther@suse.de>
16483
16484         PR lto/96591
16485         * tree.c (walk_tree_1): Walk VECTOR_CST elements.
16486
16487 2021-02-08  Martin Liska  <mliska@suse.cz>
16488
16489         PR lto/98971
16490         * cfgexpand.c (pass_expand::execute): Parse per-function option
16491         flag_patchable_function_entry and use it.
16492         * common.opt: Remove function_entry_patch_area_size and
16493         function_entry_patch_area_start global variables.
16494         * opts.c (parse_and_check_patch_area): New function.
16495         (common_handle_option): Use it.
16496         * opts.h (parse_and_check_patch_area): New function.
16497         * toplev.c (process_options): Parse and use
16498         function_entry_patch_area_size.
16499
16500 2021-02-08  Martin Sebor  <msebor@redhat.com>
16501
16502         * doc/extend.texi (attribute malloc): Correct typos.
16503
16504 2021-02-05  Nathan Sidwell  <nathan@acm.org>
16505
16506         PR driver/98943
16507         * gcc.c (driver::maybe_run_linker): Check for input file
16508         accessibility if not linking.
16509
16510 2021-02-05  Richard Biener  <rguenther@suse.de>
16511
16512         PR tree-optimization/98855
16513         * tree-vectorizer.h (add_stmt_cost): New overload.
16514         * tree-vect-slp.c (li_cost_vec_cmp): New.
16515         (vect_bb_slp_scalar_cost): Cost individual loop regions
16516         separately.  Account for the scalar instance root stmt.
16517
16518 2021-02-05  Tom de Vries  <tdevries@suse.de>
16519
16520         PR debug/98656
16521         * tree-switch-conversion.c (jump_table_cluster::emit): Add loc
16522         argument.
16523         (bit_test_cluster::emit): Reuse location_t for newly created
16524         gswitch statement.
16525         (switch_decision_tree::try_switch_expansion): Preserve
16526         location_t.
16527         * tree-switch-conversion.h: Change function signatures.
16528
16529 2021-02-05  Jakub Jelinek  <jakub@redhat.com>
16530
16531         PR target/98957
16532         * config/i386/i386-options.c (m_NONE, m_ALL): Define.
16533         * config/i386/x86-tune.def (X86_TUNE_BRANCH_PREDICTION_HINTS,
16534         X86_TUNE_PROMOTE_QI_REGS): Use m_NONE instead of 0U.
16535         (X86_TUNE_QIMODE_MATH): Use m_ALL instead of ~0U.
16536
16537 2021-02-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16538
16539         * config/aarch64/aarch64-simd-builtins.def (get_high): Define builtin.
16540         * config/aarch64/aarch64-simd.md (aarch64_get_high<mode>): Define.
16541         * config/aarch64/arm_neon.h (__GET_HIGH): Delete.
16542         (vget_high_f16): Reimplement using new builtin.
16543         (vget_high_f32): Likewise.
16544         (vget_high_f64): Likewise.
16545         (vget_high_p8): Likewise.
16546         (vget_high_p16): Likewise.
16547         (vget_high_p64): Likewise.
16548         (vget_high_s8): Likewise.
16549         (vget_high_s16): Likewise.
16550         (vget_high_s32): Likewise.
16551         (vget_high_s64): Likewise.
16552         (vget_high_u8): Likewise.
16553         (vget_high_u16): Likewise.
16554         (vget_high_u32): Likewise.
16555         (vget_high_u64): Likewise.
16556
16557 2021-02-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16558
16559         * config/aarch64/aarch64-simd-builtins.def (get_low): Define builtin.
16560         * config/aarch64/aarch64-simd.md (aarch64_get_low<mode>): Define.
16561         * config/aarch64/arm_neon.h (__GET_LOW): Delete.
16562         (vget_low_f16): Reimplement using new builtin.
16563         (vget_low_f32): Likewise.
16564         (vget_low_f64): Likewise.
16565         (vget_low_p8): Likewise.
16566         (vget_low_p16): Likewise.
16567         (vget_low_p64): Likewise.
16568         (vget_low_s8): Likewise.
16569         (vget_low_s16): Likewise.
16570         (vget_low_s32): Likewise.
16571         (vget_low_s64): Likewise.
16572         (vget_low_u8): Likewise.
16573         (vget_low_u16): Likewise.
16574         (vget_low_u32): Likewise.
16575         (vget_low_u64): Likewise.
16576
16577 2021-02-05  Kito Cheng  <kito.cheng@sifive.com>
16578
16579         * gcc.c (print_multilib_info): Check all required argument is provided
16580         by default arg.
16581
16582 2021-02-05  liuhongt  <hongtao.liu@intel.com>
16583
16584         PR target/98537
16585         * config/i386/i386-expand.c (ix86_expand_sse_cmp): Don't
16586         generate integer mask comparison for 128/256-bits vector when
16587         op_true/op_false is NULL_RTX or CONSTM1_RTX/CONST0_RTX. Also
16588         delete redundant !maskcmp condition.
16589         (ix86_expand_int_vec_cmp): Ditto but no redundant deletion
16590         here.
16591         (ix86_expand_sse_movcc): Delete definition of maskcmp, add the
16592         condition directly to if (maskcmp), add extra check for
16593         cmpmode, it should be MODE_INT.
16594         (ix86_expand_fp_vec_cmp): Pass NULL to ix86_expand_sse_cmp's
16595         parameters op_true/op_false.
16596         (ix86_use_mask_cmp_p): New.
16597
16598 2021-02-05  liuhongt  <hongtao.liu@intel.com>
16599
16600         PR target/98172
16601         * config/i386/x86-tune.def (X86_TUNE_AVX256_UNALIGNED_LOAD_OPTIMAL):
16602         Remove m_GENERIC from ~list.
16603         (X86_TUNE_AVX256_UNALIGNED_STORE_OPTIMAL): Ditto.
16604
16605 2021-02-04  David Malcolm  <dmalcolm@redhat.com>
16606
16607         PR c/97932
16608         * diagnostic-show-locus.c (compatible_locations_p): Require
16609         locations in the same macro map to be either both from the
16610         macro definition, or both from the macro arguments.
16611
16612 2021-02-04  Jonathan Wright  <jonathan.wright@arm.com>
16613
16614         * config/aarch64/aarch64-simd-builtins.def: Add
16615         [su]mull_hi_lane[q] builtin generator macros.
16616         * config/aarch64/aarch64-simd.md
16617         (aarch64_<su>mull_hi_lane<mode>_insn): Define.
16618         (aarch64_<su>mull_hi_lane<mode>): Define.
16619         (aarch64_<su>mull_hi_laneq<mode>_insn): Define.
16620         (aarch64_<su>mull_hi_laneq<mode>): Define.
16621         * config/aarch64/arm_neon.h (vmull_high_lane_s16): Use RTL
16622         builtin instead of inline asm.
16623         (vmull_high_lane_s32): Likewise.
16624         (vmull_high_lane_u16): Likewise.
16625         (vmull_high_lane_u32): Likewise.
16626         (vmull_high_laneq_s16): Likewise.
16627         (vmull_high_laneq_s32): Likewise.
16628         (vmull_high_laneq_u16): Likewise.
16629         (vmull_high_laneq_u32): Liekwise.
16630
16631 2021-02-04  Jonathan Wright  <jonathan.wright@arm.com>
16632
16633         * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
16634         builtin generator macros.
16635         * config/aarch64/aarch64-simd.md
16636         (aarch64_<su>mull_hi_n<mode>_insn): Define.
16637         (aarch64_<su>mull_hi_n<mode>): Define.
16638         * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
16639         instead of inline asm.
16640         (vmull_high_n_s32): Likewise.
16641         (vmull_high_n_u16): Likewise.
16642         (vmull_high_n_u32): Likewise.
16643
16644 2021-02-04  Richard Biener  <rguenther@suse.de>
16645
16646         PR tree-optimization/98855
16647         * tree-vect-loop.c (vectorizable_phi): Do not cost
16648         single-argument PHIs.
16649         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Likewise.
16650         * tree-vect-stmts.c (vectorizable_bswap): Also perform
16651         costing for SLP operation.
16652
16653 2021-02-04  Martin Liska  <mliska@suse.cz>
16654
16655         * doc/extend.texi: Mention -mprefer-vector-width in target
16656         attributes.
16657
16658 2021-02-03  Martin Sebor  <msebor@redhat.com>
16659
16660         PR tree-optimization/98937
16661         * tree-ssa-strlen.c (strlen_dom_walker::~strlen_dom_walker): Define.
16662         Flush pointer_query cache.
16663
16664 2021-02-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
16665
16666         * config/rs6000/genfusion.pl (gen_2logical): Add missing
16667         fixes based on patch review.
16668         * config/rs6000/fusion.md: Regenerate file.
16669
16670 2021-02-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
16671
16672         * config/rs6000/t-rs6000: Comment out auto generation of
16673         fusion.md for now.
16674
16675 2021-02-03  Andrew Stubbs  <ams@codesourcery.com>
16676
16677         * config/gcn/gcn-opts.h (enum processor_type): Add PROCESSOR_GFX908.
16678         * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Add gfx908.
16679         (output_file_start): Add gfx908.
16680         * config/gcn/gcn.opt (gpu_type): Add gfx908.
16681         * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Add march=gfx908.
16682         (MULTILIB_DIRNAMES): Add gfx908.
16683         * config/gcn/mkoffload.c (EF_AMDGPU_MACH_AMDGCN_GFX908): New define.
16684         (main): Recognize gfx908.
16685         * config/gcn/t-omp-device: Add gfx908.
16686
16687 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
16688
16689         * config/aarch64/aarch64-simd-builtins.def: Add
16690         [su]mlsl_hi_lane[q] builtin macro generators.
16691         * config/aarch64/aarch64-simd.md
16692         (aarch64_<su>mlsl_hi_lane<mode>_insn): Define.
16693         (aarch64_<su>mlsl_hi_lane<mode>): Define.
16694         (aarch64_<su>mlsl_hi_laneq<mode>_insn): Define.
16695         (aarch64_<su>mlsl_hi_laneq<mode>): Define.
16696         * config/aarch64/arm_neon.h (vmlsl_high_lane_s16): Use RTL
16697         builtin instead of inline asm.
16698         (vmlsl_high_lane_s32): Likewise.
16699         (vmlsl_high_lane_u16): Likewise.
16700         (vmlsl_high_lane_u32): Likewise.
16701         (vmlsl_high_laneq_s16): Likewise.
16702         (vmlsl_high_laneq_s32): Likewise.
16703         (vmlsl_high_laneq_u16): Likewise.
16704         (vmlsl_high_laneq_u32): Likewise.
16705         (vmlal_high_laneq_u32): Likewise.
16706
16707 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
16708
16709         * config/aarch64/aarch64-simd-builtins.def: Add
16710         [su]mlal_hi_lane[q] builtin generator macros.
16711         * config/aarch64/aarch64-simd.md
16712         (aarch64_<su>mlal_hi_lane<mode>_insn): Define.
16713         (aarch64_<su>mlal_hi_lane<mode>): Define.
16714         (aarch64_<su>mlal_hi_laneq<mode>_insn): Define.
16715         (aarch64_<su>mlal_hi_laneq<mode>): Define.
16716         * config/aarch64/arm_neon.h (vmlal_high_lane_s16): Use RTL
16717         builtin instead of inline asm.
16718         (vmlal_high_lane_s32): Likewise.
16719         (vmlal_high_lane_u16): Likewise.
16720         (vmlal_high_lane_u32): Likewise.
16721         (vmlal_high_laneq_s16): Likewise.
16722         (vmlal_high_laneq_s32): Likewise.
16723         (vmlal_high_laneq_u16): Likewise.
16724         (vmlal_high_laneq_u32): Likewise.
16725
16726 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
16727
16728         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_hi_n
16729         builtin generator macros.
16730         * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_hi_n<mode>_insn):
16731         Define.
16732         (aarch64_<su>mlsl_hi_n<mode>): Define.
16733         * config/aarch64/arm_neon.h (vmlsl_high_n_s16): Use RTL builtin
16734         instead of inline asm.
16735         (vmlsl_high_n_s32): Likewise.
16736         (vmlsl_high_n_u16): Likewise.
16737         (vmlsl_high_n_u32): Likewise.
16738
16739 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
16740
16741         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_hi_n
16742         builtin generator macros.
16743         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_hi_n<mode>_insn):
16744         Define.
16745         (aarch64_<su>mlal_hi_n<mode>): Define.
16746         * config/aarch64/arm_neon.h (vmlal_high_n_s16): Use RTL builtin
16747         instead of inline asm.
16748         (vmlal_high_n_s32): Likewise.
16749         (vmlal_high_n_u16): Likewise.
16750         (vmlal_high_n_u32): Likewise.
16751
16752 2021-02-03  Jonathan Wright  <jonathan.wright@arm.com>
16753
16754         * config/aarch64/aarch64-simd-builtins.def: Add RTL builtin
16755         generator macros.
16756         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal_hi<mode>):
16757         Rename to...
16758         (aarch64_<su>mlal_hi<mode>_insn): This.
16759         (aarch64_<su>mlal_hi<mode>): Define.
16760         * config/aarch64/arm_neon.h (vmlal_high_s8): Use RTL builtin
16761         instead of inline asm.
16762         (vmlal_high_s16): Likewise.
16763         (vmlal_high_s32): Likewise.
16764         (vmlal_high_u8): Likewise.
16765         (vmlal_high_u16): Likewise.
16766         (vmlal_high_u32): Likewise.
16767
16768 2021-02-03  Ilya Leoshkevich  <iii@linux.ibm.com>
16769
16770         * lra-spills.c (remove_pseudos): Call lra_update_insn_recog_data()
16771         after calling alter_subreg() on a (mem).
16772
16773 2021-02-03  Martin Liska  <mliska@suse.cz>
16774
16775         PR lto/98912
16776         * lto-streamer-out.c (produce_lto_section): Fill up missing
16777         padding.
16778         * lto-streamer.h (struct lto_section): Add _padding field.
16779
16780 2021-02-03  Richard Biener  <rguenther@suse.de>
16781
16782         * lto-streamer.c (lto_get_section_name): Free temporary
16783         buffer.
16784         * tree-loop-distribution.c
16785         (loop_distribution::merge_dep_scc_partitions): Free edge data.
16786
16787 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
16788
16789         PR middle-end/97487
16790         * ifcvt.c (noce_can_force_operand): New function.
16791         (noce_emit_move_insn): Use it.
16792         (noce_try_sign_mask): Likewise.  Formatting fix.
16793
16794 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
16795
16796         PR middle-end/97971
16797         * lra-constraints.c (process_alt_operands): For inline asm, don't call
16798         fatal_insn, but instead return false.
16799
16800 2021-02-03  Jakub Jelinek  <jakub@redhat.com>
16801
16802         PR tree-optimization/98287
16803         * config/i386/mmx.md (<insn><mode>3): For shifts don't enable expander
16804         for V1DImode.
16805
16806 2021-02-03  Tamar Christina  <tamar.christina@arm.com>
16807
16808         PR tree-optimization/98928
16809         * tree-vect-loop.c (vect_analyze_loop_2): Change
16810         STMT_VINFO_SLP_VECT_ONLY to STMT_VINFO_SLP_VECT_ONLY_PATTERN.
16811         * tree-vect-slp-patterns.c (complex_pattern::build): Likewise.
16812         * tree-vectorizer.h (STMT_VINFO_SLP_VECT_ONLY_PATTERN): New.
16813         (class _stmt_vec_info): Add slp_vect_pattern_only_p.
16814
16815 2021-02-02  Richard Biener  <rguenther@suse.de>
16816
16817         * gimple-loop-interchange.cc (prepare_data_references):
16818         Release vectors.
16819         * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise.
16820         * tree-ssa-loop-im.c (hoist_memory_references): Likewise.
16821         * tree-vect-stmts.c (vectorizable_condition): Do not
16822         allocate vectors.
16823         (vectorizable_comparison): Likewise.
16824
16825 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16826
16827         * config/aarch64/aarch64-simd-builtins.def (ursqrte): Define builtin.
16828         * config/aarch64/aarch64-simd.md (aarch64_ursqrte<mode>): New pattern.
16829         * config/aarch64/arm_neon.h (vrsqrte_u32): Reimplement using builtin.
16830         (vrsqrteq_u32): Likewise.
16831
16832 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16833
16834         * config/aarch64/aarch64-simd-builtins.def (sqxtun2): Define builtin.
16835         * config/aarch64/aarch64-simd.md (aarch64_sqxtun2<mode>_le): Define.
16836         (aarch64_sqxtun2<mode>_be): Likewise.
16837         (aarch64_sqxtun2<mode>): Likewise.
16838         * config/aarch64/arm_neon.h (vqmovun_high_s16): Reimplement using builtin.
16839         (vqmovun_high_s32): Likewise.
16840         (vqmovun_high_s64): Likewise.
16841         * config/aarch64/iterators.md (UNSPEC_SQXTUN2): Define.
16842
16843 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16844
16845         * config/aarch64/aarch64-simd-builtins.def (bfdot_lane, bfdot_laneq): Use
16846         AUTO_FP flags.
16847         (bfmlalb_lane, bfmlalt_lane, bfmlalb_lane_q, bfmlalt_lane_q): Use FP flags.
16848
16849 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16850
16851         * config/aarch64/aarch64-simd-builtins.def (fcmla_lane0, fcmla_lane90,
16852         fcmla_lane180, fcmla_lane270, fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180,
16853         fcmlaq_lane270, scvtf, ucvtf, fcvtzs, fcvtzu, scvtfsi, scvtfdi, ucvtfsi,
16854         ucvtfdi, fcvtzshf, fcvtzuhf, fmlal_lane_low, fmlsl_lane_low,
16855         fmlal_laneq_low, fmlsl_laneq_low, fmlalq_lane_low, fmlslq_lane_low,
16856         fmlalq_laneq_low, fmlslq_laneq_low, fmlal_lane_high, fmlsl_lane_high,
16857         fmlal_laneq_high, fmlsl_laneq_high, fmlalq_lane_high, fmlslq_lane_high,
16858         fmlalq_laneq_high, fmlslq_laneq_high): Use FP flags.
16859
16860 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16861
16862         * config/aarch64/aarch64-builtins.c (FLAG_LOAD): Define.
16863         * config/aarch64/aarch64-simd-builtins.def (ld1x2, ld2, ld3, ld4, ld2r,
16864         ld3r, ld4r, ld1, ld1x3, ld1x4): Use LOAD flags.
16865
16866 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16867
16868         * config/aarch64/aarch64-simd-builtins.def (combine, zip1, zip2,
16869         uzp1, uzp2, trn1, trn2, simd_bsl): Use AUTO_FP flags.
16870
16871 2021-02-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16872
16873         * config/aarch64/aarch64-simd-builtins.def (clrsb, clz, ctz, popcount,
16874         vec_smult_lane_, vec_smlal_lane_, vec_smult_laneq_, vec_smlal_laneq_,
16875         vec_umult_lane_, vec_umlal_lane_, vec_umult_laneq_, vec_umlal_laneq_,
16876         ashl, sshl, ushl, srshl, urshl, sdot_lane, udot_lane, sdot_laneq,
16877         udot_laneq, usdot_lane, usdot_laneq, sudot_lane, sudot_laneq, ashr,
16878         ashr_simd, lshr, lshr_simd, srshr_n, urshr_n, ssra_n, usra_n, srsra_n,
16879         ursra_n, sshll_n, ushll_n, sshll2_n, ushll2_n, ssri_n, usri_n, ssli_n,
16880         ssli_n, usli_n, bswap, rbit, simd_bsl, eor3q, rax1q, xarq, bcaxq): Use
16881         NONE builtin flags.
16882
16883 2021-02-02  Jakub Jelinek  <jakub@redhat.com>
16884
16885         PR tree-optimization/98848
16886         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Punt if
16887         STMT_VINFO_DEF_TYPE (last_stmt_info) is vect_reduction_def.
16888
16889 2021-02-02  Kito Cheng  <kito.cheng@sifive.com>
16890
16891         PR target/98743
16892         * expr.c: Check mode before calling store_expr.
16893
16894 2021-02-02  Christophe Lyon  <christophe.lyon@linaro.org>
16895
16896         * config/arm/iterators.md (supf): Remove VORNQ_S and VORNQ_U.
16897         (VORNQ): Remove.
16898         * config/arm/mve.md (mve_vornq_s<mode>): New entry for vorn
16899         instruction using expression ior.
16900         (mve_vornq_u<mode>): New expander.
16901         (mve_vornq_f<mode>): Use ior code instead of unspec.
16902         * config/arm/unspecs.md (VORNQ_S, VORNQ_U, VORNQ_F): Remove.
16903
16904 2021-02-02  Alexandre Oliva  <oliva@adacore.com>
16905
16906         * tree-nested.c (convert_nonlocal_reference_op): Move
16907         current_function_decl restore after re-gimplification.
16908         (convert_local_reference_op): Likewise.
16909
16910 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16911
16912         * config/aarch64/aarch64-simd-builtins.def (rshrn, rshrn2):
16913         Define builtins.
16914         * config/aarch64/aarch64-simd.md (aarch64_rshrn<mode>_insn_le):
16915         Define.
16916         (aarch64_rshrn<mode>_insn_be): Likewise.
16917         (aarch64_rshrn<mode>): Likewise.
16918         (aarch64_rshrn2<mode>_insn_le): Likewise.
16919         (aarch64_rshrn2<mode>_insn_be): Likewise.
16920         (aarch64_rshrn2<mode>): Likewise.
16921         * config/aarch64/aarch64.md (unspec): Add UNSPEC_RSHRN.
16922         * config/aarch64/arm_neon.h (vrshrn_high_n_s16): Reimplement
16923         using builtin.
16924         (vrshrn_high_n_s32): Likewise.
16925         (vrshrn_high_n_s64): Likewise.
16926         (vrshrn_high_n_u16): Likewise.
16927         (vrshrn_high_n_u32): Likewise.
16928         (vrshrn_high_n_u64): Likewise.
16929         (vrshrn_n_s16): Likewise.
16930         (vrshrn_n_s32): Likewise.
16931         (vrshrn_n_s64): Likewise.
16932         (vrshrn_n_u16): Likewise.
16933         (vrshrn_n_u32): Likewise.
16934         (vrshrn_n_u64): Likewise.
16935
16936 2021-02-01  Sergei Trofimovich  <siarheit@google.com>
16937
16938         PR tree-optimization/98499
16939         * ipa-modref.c (analyze_ssa_name_flags): treat RVO
16940         conservatively and assume all possible side-effects.
16941
16942 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16943
16944         * config/aarch64/aarch64-simd-builtins.def (vec_unpacks_hi,
16945         vec_unpacku_hi_): Define builtins.
16946         * config/aarch64/arm_neon.h (vmovl_high_s8): Reimplement using
16947         builtin.
16948         (vmovl_high_s16): Likewise.
16949         (vmovl_high_s32): Likewise.
16950         (vmovl_high_u8): Likewise.
16951         (vmovl_high_u16): Likewise.
16952         (vmovl_high_u32): Likewise.
16953
16954 2021-02-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16955
16956         * config/aarch64/aarch64-simd-builtins.def (sabdl, uabdl):
16957         Define builtins.
16958         * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl<mode>): New
16959         pattern.
16960         * config/aarch64/aarch64.md (unspec): Define UNSPEC_SABDL,
16961         UNSPEC_UABDL.
16962         * config/aarch64/arm_neon.h (vabdl_s8): Reimplemet using
16963         builtin.
16964         (vabdl_s16): Likewise.
16965         (vabdl_s32): Likewise.
16966         (vabdl_u8): Likewise.
16967         (vabdl_u16): Likewise.
16968         (vabdl_u32): Likewise.
16969         * config/aarch64/iterators.md (ABDL): New int iterator.
16970         (sur): Handle UNSPEC_SABDL, UNSPEC_UABDL.
16971
16972 2021-02-01  Martin Sebor  <msebor@redhat.com>
16973
16974         * tree.h (BLOCK_VARS): Add comment.
16975         (BLOCK_SUBBLOCKS): Same.
16976         (BLOCK_SUPERCONTEXT): Same.
16977         (BLOCK_ABSTRACT_ORIGIN): Same.
16978         (inlined_function_outer_scope_p): Same.
16979
16980 2021-02-01  Martin Sebor  <msebor@redhat.com>
16981
16982         PR middle-end/97172
16983         * attribs.c (attr_access::free_lang_data): Define new function.
16984         * attribs.h (attr_access::free_lang_data): Declare new function.
16985
16986 2021-02-01  Richard Biener  <rguenther@suse.de>
16987
16988         * vec.h (auto_vec::auto_vec): Add memory stat parameters
16989         and pass them on.
16990         * bitmap.h (auto_bitmap::auto_bitmap): Likewise.
16991
16992 2021-02-01  Tamar Christina  <tamar.christina@arm.com>
16993
16994         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>,
16995         aarch64_<su>mlsl<mode>, aarch64_<su>mlsl_n<mode>): Flip mult operands.
16996
16997 2021-02-01  Richard Biener  <rguenther@suse.de>
16998
16999         PR rtl-optimization/98863
17000         * config/i386/i386-features.c (convert_scalars_to_vector):
17001         Set DF_RD_PRUNE_DEAD_DEFS.
17002
17003 2021-01-31  Eric Botcazou  <ebotcazou@adacore.com>
17004
17005         * system.h (SIZE_MAX): Define if not already defined.
17006
17007 2021-01-30  Aaron Sawdey  <acsawdey@linux.ibm.com>
17008
17009         * config/rs6000/genfusion.pl (gen_2logical): New function to
17010         generate patterns for logical-logical fusion.
17011         * config/rs6000/fusion.md: Regenerated patterns.
17012         * config/rs6000/rs6000-cpus.def: Add
17013         OPTION_MASK_P10_FUSION_2LOGICAL.
17014         * config/rs6000/rs6000.c (rs6000_option_override_internal):
17015         Enable logical-logical fusion for p10.
17016         * config/rs6000/rs6000.opt: Add -mpower10-fusion-2logical.
17017
17018 2021-01-30  David Edelsohn  <dje.gcc@gmail.com>
17019
17020         * config/rs6000/rs6000.opt: Add periods to new AIX options.
17021
17022 2021-01-30  David Edelsohn  <dje.gcc@gmail.com>
17023
17024         * config/rs6000/rs6000.opt (mabi=vec-extabi): New.
17025         (mabi=vec-default): New.
17026         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
17027         __EXTABI__ for AIX Vector extended ABI.
17028         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Print AIX Vector
17029         extabi info.
17030         (conditional_register_usage): If AIX vec_extabi enabled, vs20-vs31
17031         are non-volatile.
17032         * doc/invoke.texi (PowerPC mabi): Add AIX vec-extabi and vec-default.
17033
17034 2021-01-30  Jakub Jelinek  <jakub@redhat.com>
17035
17036         * config/i386/i386-features.c (remove_partial_avx_dependency): Clear
17037         DF_DEFER_INSN_RESCAN after calling df_process_deferred_rescans.
17038
17039 2021-01-29  Vladimir N. Makarov  <vmakarov@redhat.com>
17040
17041         PR target/97701
17042         * lra-constraints.c (in_class_p): Don't narrow class only for REG
17043         or MEM.
17044
17045 2021-01-29  Will Schmidt  <will_schmidt@vnet.ibm.com>
17046
17047         * config/rs6000/rs6000-call.c (rs6000_expand_binup_builtin): Add
17048         clauses for CODE_FOR_vsx_xvcvuxddp_scale and
17049         CODE_FOR_vsx_xvcvsxddp_scale to the parameter checking code.
17050
17051 2021-01-29  Andrew MacLeod  <amacleod@redhat.com>
17052
17053         PR tree-optimization/98866
17054         * gimple-range-gori.h (gori_compute:set_range_invariant): New.
17055         * gimple-range-gori.cc (gori_map::set_range_invariant): New.
17056         (gori_map::m_maybe_invariant): Rename from all_outgoing.
17057         (gori_map::gori_map): Rename all_outgoing to m_maybe_invariant.
17058         (gori_map::is_export_p): Ditto.
17059         (gori_map::calculate_gori): Ditto.
17060         (gori_compute::set_range_invariant): New.
17061         * gimple-range.cc (gimple_ranger::range_of_stmt): Set range
17062         invariant for pointers evaluating to [1, +INF].
17063
17064 2021-01-29  Richard Biener  <rguenther@suse.de>
17065
17066         PR rtl-optimization/98863
17067         * config/i386/i386-features.c (remove_partial_avx_dependency):
17068         Do not perform DF analysis.
17069         (pass_data_remove_partial_avx_dependency): Remove
17070         TODO_df_finish.
17071
17072 2021-01-29  Jonathan Wright  <jonathan.wright@arm.com>
17073
17074         * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_n
17075         builtin generator macros.
17076         * config/aarch64/aarch64-simd.md (aarch64_<su>mull_n<mode>):
17077         Define.
17078         * config/aarch64/arm_neon.h (vmull_n_s16): Use RTL builtin
17079         instead of inline asm.
17080         (vmull_n_s32): Likewise.
17081         (vmull_n_u16): Likewise.
17082         (vmull_n_u32): Likewise.
17083
17084 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17085
17086         * config/aarch64/aarch64-simd-builtins.def (sabdl2, uabdl2):
17087         Define builtins.
17088         * config/aarch64/aarch64-simd.md (aarch64_<sur>abdl2<mode>_3):
17089         Rename to...
17090         (aarch64_<sur>abdl2<mode>): ... This.
17091         (<sur>sadv16qi): Adjust use of above.
17092         * config/aarch64/arm_neon.h (vabdl_high_s8): Reimplement using
17093         builtin.
17094         (vabdl_high_s16): Likewise.
17095         (vabdl_high_s32): Likewise.
17096         (vabdl_high_u8): Likewise.
17097         (vabdl_high_u16): Likewise.
17098         (vabdl_high_u32): Likewise.
17099
17100 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17101
17102         * config/aarch64/aarch64-simd-builtins.def (sabal2): Define
17103         builtin.
17104         (uabal2): Likewise.
17105         * config/aarch64/aarch64-simd.md (aarch64_<sur>abal2<mode>): New
17106         pattern.
17107         * config/aarch64/aarch64.md (unspec): Add UNSPEC_SABAL2 and
17108         UNSPEC_UABAL2.
17109         * config/aarch64/arm_neon.h (vabal_high_s8): Reimplement using
17110         builtin.
17111         (vabal_high_s16): Likewise.
17112         (vabal_high_s32): Likewise.
17113         (vabal_high_u8): Likewise.
17114         (vabal_high_u16): Likewise.
17115         (vabal_high_u32): Likewise.
17116         * config/aarch64/iterators.md (ABAL2): New mode iterator.
17117         (sur): Handle UNSPEC_SABAL2, UNSPEC_UABAL2.
17118
17119 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17120
17121         * config/aarch64/aarch64-simd-builtins.def (sabal): Define
17122         builtin.
17123         (uabal): Likewise.
17124         * config/aarch64/aarch64-simd.md (aarch64_<sur>abal<mode>_4):
17125         Rename to...
17126         (aarch64_<sur>abal<mode>): ... This
17127         (<sur>sadv16qi): Adust use of the above.
17128         * config/aarch64/arm_neon.h (vabal_s8): Reimplement using
17129         builtin.
17130         (vabal_s16): Likewise.
17131         (vabal_s32): Likewise.
17132         (vabal_u8): Likewise.
17133         (vabal_u16): Likewise.
17134         (vabal_u32): Likewise.
17135
17136 2021-01-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17137
17138         * config/aarch64/aarch64-simd-builtins.def (saddlv, uaddlv):
17139         Define builtins.
17140         * config/aarch64/aarch64-simd.md (aarch64_<su>addlv<mode>):
17141         Define.
17142         * config/aarch64/arm_neon.h (vaddlv_s8): Reimplement using
17143         builtin.
17144         (vaddlv_s16): Likewise.
17145         (vaddlv_u8): Likewise.
17146         (vaddlv_u16): Likewise.
17147         (vaddlvq_s8): Likewise.
17148         (vaddlvq_s16): Likewise.
17149         (vaddlvq_s32): Likewise.
17150         (vaddlvq_u8): Likewise.
17151         (vaddlvq_u16): Likewise.
17152         (vaddlvq_u32): Likewise.
17153         (vaddlv_s32): Likewise.
17154         (vaddlv_u32): Likewise.
17155         * config/aarch64/iterators.md (VDQV_L): New mode iterator.
17156         (unspec): Add UNSPEC_SADDLV, UNSPEC_UADDLV.
17157         (Vwstype): New mode attribute.
17158         (Vwsuf): Likewise.
17159         (VWIDE_S): Likewise.
17160         (USADDLV): New int iterator.
17161         (su): Handle UNSPEC_SADDLV, UNSPEC_UADDLV.
17162
17163 2021-01-29  Jonathan Wright  <jonathan.wright@arm.com>
17164
17165         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_lane[q]
17166         builtin generator macros.
17167         * config/aarch64/aarch64-simd.md (aarch64_vec_<su>mlsl_lane<Qlane>):
17168         Define.
17169         * config/aarch64/arm_neon.h (vmlsl_lane_s16): Use RTL builtin
17170         instead of inline asm.
17171         (vmlsl_lane_s32): Likewise.
17172         (vmlsl_lane_u16): Likewise.
17173         (vmlsl_lane_u32): Likewise.
17174         (vmlsl_laneq_s16): Likewise.
17175         (vmlsl_laneq_s32): Likewise.
17176         (vmlsl_laneq_u16): Likewise.
17177         (vmlsl_laneq_u32): Likewise.
17178
17179 2021-01-29  Richard Biener  <rguenther@suse.de>
17180
17181         * doc/invoke.texi (--param max-gcse-memory): Document unit
17182         of size.
17183         * gcse.c (gcse_or_cprop_is_too_expensive): Adjust.
17184         * params.opt (--param max-gcse-memory): Adjust default and
17185         document unit of size.
17186
17187 2021-01-29  Richard Biener  <rguenther@suse.de>
17188
17189         PR rtl-optimization/98863
17190         * gcse.c (gcse_or_cprop_is_too_expensive): Use unsigned
17191         HOST_WIDE_INT for the memory estimate.
17192
17193 2021-01-29  Bin Cheng  <bin.cheng@linux.alibaba.com>
17194             Richard Biener  <rguenther@suse.de>
17195
17196         PR tree-optimization/97627
17197         * tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
17198         Do not analyze fake edges.
17199
17200 2021-01-29  Richard Biener  <rguenther@suse.de>
17201
17202         PR rtl-optimization/98144
17203         * df.h (df_mir_bb_info): Add con_visited member.
17204         * df-problems.c (df_mir_alloc): Initialize con_visited,
17205         do not fully populate IN and OUT.
17206         (df_mir_reset): Likewise.
17207         (df_mir_confluence_0): Set con_visited.
17208         (df_mir_confluence_n): Properly handle implicitely
17209         fully populated IN and OUT as designated by con_visited
17210         and update con_visited accordingly.
17211
17212 2021-01-29  Jakub Jelinek  <jakub@redhat.com>
17213
17214         PR target/98849
17215         * config/arm/vec-common.md (mve_vshlq_<supf><mode>,
17216         vashl<mode>3, vashr<mode>3, vlshr<mode>3): Add
17217         && !TARGET_REALLY_IWMMXT to conditions.
17218
17219 2021-01-29  Jakub Jelinek  <jakub@redhat.com>
17220
17221         PR debug/98331
17222         * cfgbuild.c (find_bb_boundaries): Reset debug_insn when seeing
17223         a BARRIER.
17224
17225 2021-01-28  Marek Polacek  <polacek@redhat.com>
17226
17227         PR c++/94775
17228         * stor-layout.c (finalize_type_size): If we reset TYPE_USER_ALIGN in
17229         the main variant, maybe reset it in its variants too.
17230         * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
17231         (check_aligned_type): Check if TYPE_USER_ALIGN match.
17232
17233 2021-01-28  Christophe Lyon  <christophe.lyon@linaro.org>
17234
17235         PR target/98730
17236         * config/arm/arm.c (arm_rtx_costs_internal): Adjust cost of vector
17237         of constant zero for comparisons.
17238
17239 2021-01-28  Michael Meissner  <meissner@linux.ibm.com>
17240
17241         * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Add
17242         support for mapping built-in function names for long double
17243         built-in functions if long double is IEEE 128-bit.
17244
17245 2021-01-28  Jonathan Wright  <jonathan.wright@arm.com>
17246
17247         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlsl_n
17248         builtin generator macros.
17249         * config/aarch64/aarch64-simd.md (aarch64_<su>mlsl_n<mode>):
17250         Define.
17251         * config/aarch64/arm_neon.h (vmlsl_n_s16): Use RTL builtin
17252         instead of inline asm.
17253         (vmlsl_n_s32): Likewise.
17254         (vmlsl_n_u16): Likewise.
17255         (vmlsl_n_u32): Likewise.
17256
17257 2021-01-28  Jonathan Wright  <jonathan.wright@arm.com>
17258
17259         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
17260         builtin generator macros.
17261         * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
17262         Define.
17263         * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
17264         instead of inline asm.
17265         (vmlal_n_s32): Likewise.
17266         (vmlal_n_u16): Likewise.
17267         (vmlal_n_u32): Likewise.
17268
17269 2021-01-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17270
17271         * config/aarch64/aarch64-simd-builtins.def (shrn2): Define
17272         builtin.
17273         * config/aarch64/aarch64-simd.md (aarch64_shrn2<mode>_insn_le):
17274         Define.
17275         (aarch64_shrn2<mode>_insn_be): Likewise.
17276         (aarch64_shrn2<mode>): Likewise.
17277         * config/aarch64/arm_neon.h (vshrn_high_n_s16): Reimlplement
17278         using builtins.
17279         (vshrn_high_n_s32): Likewise.
17280         (vshrn_high_n_s64): Likewise.
17281         (vshrn_high_n_u16): Likewise.
17282         (vshrn_high_n_u32): Likewise.
17283         (vshrn_high_n_u64): Likewise.
17284
17285 2021-01-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17286
17287         * config/aarch64/aarch64-simd-builtins.def (shrn): Define
17288         builtin.
17289         * config/aarch64/aarch64-simd.md (aarch64_shrn<mode>_insn_le):
17290         Define.
17291         (aarch64_shrn<mode>_insn_be): Likewise.
17292         (aarch64_shrn<mode>): Likewise.
17293         * config/aarch64/arm_neon.h (vshrn_n_s16): Reimplement using
17294         builtins.
17295         (vshrn_n_s32): Likewise.
17296         (vshrn_n_s64): Likewise.
17297         (vshrn_n_u16): Likewise.
17298         (vshrn_n_u32): Likewise.
17299         (vshrn_n_u64): Likewise.
17300         * config/aarch64/iterators.md (vn_mode): New mode attribute.
17301
17302 2021-01-28  Richard Biener  <rguenther@suse.de>
17303
17304         PR rtl-optimization/80960
17305         * dse.c (check_mem_read_rtx): Call get_addr on the
17306         offsetted address.
17307
17308 2021-01-28  Xionghu Luo  <luoxhu@linux.ibm.com>
17309             David Edelsohn  <dje.gcc@gmail.com>
17310
17311         PR target/98799
17312         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17313         Don't generate VIEW_CONVERT_EXPR for fcode ALTIVEC_BUILTIN_VEC_INSERT
17314         when -m32.
17315         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
17316         Delete.
17317         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Remove the
17318         wrapper call rs6000_expand_vector_set_var for cleanup.  Call
17319         rs6000_expand_vector_set_var_p9 and rs6000_expand_vector_set_var_p8
17320         directly.
17321         (rs6000_expand_vector_set_var): Delete.
17322         (rs6000_expand_vector_set_var_p9): Make static.
17323         (rs6000_expand_vector_set_var_p8): Make static.
17324
17325 2021-01-28  Xing GUO  <higuoxing@gmail.com>
17326
17327         * common/config/riscv/riscv-common.c
17328         (riscv_subset_list::parsing_subset_version): Fix -march option parsing
17329         when `p` extension exists.
17330
17331 2021-01-27  Vladimir N. Makarov  <vmakarov@redhat.com>
17332
17333         PR rtl-optimization/97684
17334         * ira.c (ira): Call ira_set_pseudo_classes before
17335         update_equiv_regs when it is necessary.
17336
17337 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
17338
17339         PR target/98853
17340         * config/aarch64/aarch64.md (*aarch64_bfxilsi_uxtw): Use
17341         %w0, %w1 and %2 instead of %0, %1 and %2.
17342
17343 2021-01-27  Aaron Sawdey  <acsawdey@linux.ibm.com>
17344
17345         * config/rs6000/genfusion.pl: New script to generate
17346         define_insn_and_split patterns so combine can arrange fused
17347         instructions next to each other.
17348         * config/rs6000/fusion.md: New file, generated fused instruction
17349         patterns for combine.
17350         * config/rs6000/predicates.md (const_m1_to_1_operand): New predicate.
17351         (non_update_memory_operand): New predicate.
17352         * config/rs6000/rs6000-cpus.def: Add OPTION_MASK_P10_FUSION and
17353         OPTION_MASK_P10_FUSION_LD_CMPI to ISA_3_1_MASKS_SERVER and
17354         POWERPC_MASKS.
17355         * config/rs6000/rs6000-protos.h (address_is_non_pfx_d_or_x): Add
17356         prototype.
17357         * config/rs6000/rs6000.c (rs6000_option_override_internal):
17358         Automatically set OPTION_MASK_P10_FUSION and
17359         OPTION_MASK_P10_FUSION_LD_CMPI if target is power10.
17360         (rs600_opt_masks): Allow -mpower10-fusion
17361         in function attributes.
17362         (address_is_non_pfx_d_or_x): New function.
17363         * config/rs6000/rs6000.h: Add MASK_P10_FUSION.
17364         * config/rs6000/rs6000.md: Include fusion.md.
17365         * config/rs6000/rs6000.opt: Add -mpower10-fusion
17366         and -mpower10-fusion-ld-cmpi.
17367         * config/rs6000/t-rs6000: Add dependencies involving fusion.md.
17368
17369 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
17370
17371         * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal
17372         builtin generator macros.
17373         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlal<mode>):
17374         Rename to...
17375         (aarch64_<su>mlal<mode>): This.
17376         * config/aarch64/arm_neon.h (vmlal_s8): Use RTL builtin
17377         instead of inline asm.
17378         (vmlal_s16): Likewise.
17379         (vmlal_s32): Likewise.
17380         (vmlal_u8): Likewise.
17381         (vmlal_u16): Likewise.
17382         (vmlal_u32): Likewise.
17383
17384 2021-01-27  Richard Biener  <rguenther@suse.de>
17385
17386         PR tree-optimization/98854
17387         * tree-vect-slp.c (vect_build_slp_tree_2): Also build
17388         PHIs from scalars when the number of CTORs matches the
17389         number of children.
17390
17391 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
17392
17393         * config/aarch64/aarch64-simd-builtins.def: Add mls_n builtin
17394         generator macro.
17395         * config/aarch64/aarch64-simd.md (*aarch64_mls_elt_merge<mode>):
17396         Rename to...
17397         (aarch64_mls_n<mode>): This.
17398         * config/aarch64/arm_neon.h (vmls_n_s16): Use RTL builtin
17399         instead of asm.
17400         (vmls_n_s32): Likewise.
17401         (vmls_n_u16): Likewise.
17402         (vmls_n_u32): Likewise.
17403         (vmlsq_n_s16): Likewise.
17404         (vmlsq_n_s32): Likewise.
17405         (vmlsq_n_u16): Likewise.
17406         (vmlsq_n_u32): Likewise.
17407
17408 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
17409
17410         * config/aarch64/aarch64-simd-builtins.def: Add mls builtin
17411         generator macro.
17412         * config/aarch64/arm_neon.h (vmls_s8): Use RTL builtin rather
17413         than asm.
17414         (vmls_s16): Likewise.
17415         (vmls_s32): Likewise.
17416         (vmls_u8): Likewise.
17417         (vmls_u16): Likewise.
17418         (vmls_u32): Likewise.
17419         (vmlsq_s8): Likewise.
17420         (vmlsq_s16): Likewise.
17421         (vmlsq_s32): Likewise.
17422         (vmlsq_u8): Likewise.
17423         (vmlsq_u16): Likewise.
17424         (vmlsq_u32): Likewise.
17425
17426 2021-01-27  Jonathan Wright  <jonathan.wright@arm.com>
17427
17428         * config/aarch64/aarch64-simd-builtins.def: Add mla_n builtin
17429         generator macro.
17430         * config/aarch64/aarch64-simd.md (*aarch64_mla_elt_merge<mode>):
17431         Rename to...
17432         (aarch64_mla_n<mode>): This.
17433         * config/aarch64/arm_neon.h (vmla_n_s16): Use RTL builtin
17434         instead of asm.
17435         (vmla_n_s32): Likewise.
17436         (vmla_n_u16): Likewise.
17437         (vmla_n_u32): Likewise.
17438         (vmlaq_n_s16): Likewise.
17439         (vmlaq_n_s32): Likewise.
17440         (vmlaq_n_u16): Likewise.
17441         (vmlaq_n_u32): Likewise.
17442
17443 2021-01-27  liuhongt  <hongtao.liu@intel.com>
17444
17445         PR target/98833
17446         * config/i386/sse.md (sse2_gt<mode>3): Drop !TARGET_XOP in condition.
17447         (*sse2_eq<mode>3): Ditto.
17448
17449 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
17450
17451         * tree-pass.h (PROP_trees): Rename to ...
17452         (PROP_gimple): ... this.
17453         * cfgexpand.c (pass_data_expand): Replace PROP_trees with PROP_gimple.
17454         * passes.c (execute_function_dump, execute_function_todo,
17455         execute_one_ipa_transform_pass, execute_one_pass): Likewise.
17456         * varpool.c (ctor_for_folding): Likewise.
17457
17458 2021-01-27  Jakub Jelinek  <jakub@redhat.com>
17459
17460         PR tree-optimization/97260
17461         * varpool.c: Include tree-pass.h.
17462         (ctor_for_folding): In GENERIC return DECL_INITIAL for TREE_READONLY
17463         non-TREE_SIDE_EFFECTS automatic variables.
17464
17465 2021-01-26  Paul Fee  <paul.f.fee@gmail.com>
17466
17467         * doc/cpp.texi (__cplusplus): Document value for -std=c++23
17468         or -std=gnu++23.
17469         * doc/invoke.texi: Document -std=c++23 and -std=gnu++23.
17470         * dwarf2out.c (highest_c_language): Recognise C++20 and C++23.
17471         (gen_compile_unit_die): Recognise C++23.
17472
17473 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
17474
17475         PR bootstrap/98839
17476         * dwarf2asm.c (dw2_assemble_integer): Cast DWARF2_ADDR_SIZE to int
17477         in comparison.
17478
17479 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
17480
17481         PR target/98681
17482         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
17483         Use UINTVAL (shft_amnt) and UINTVAL (mask) instead of INTVAL (shft_amnt)
17484         and INTVAL (mask).  Add && INTVAL (mask) > 0 condition.
17485
17486 2021-01-26  Richard Biener  <rguenther@suse.de>
17487
17488         * gimple-pretty-print.c (dump_binary_rhs): Handle
17489         VEC_WIDEN_{PLUS,MINUS}_{LO,HI}_EXPR.
17490
17491 2021-01-26  Richard Biener  <rguenther@suse.de>
17492
17493         PR middle-end/98726
17494         * tree.h (vector_cst_int_elt): Remove.
17495         * tree.c (vector_cst_int_elt): Use poly_wide_int for computations,
17496         make static.
17497
17498 2021-01-26  Andrew Stubbs  <ams@codesourcery.com>
17499
17500         * config/gcn/gcn.c (gcn_expand_reduc_scalar): Use move instructions
17501         for V64DFmode min/max reductions.
17502
17503 2021-01-26  Jakub Jelinek  <jakub@redhat.com>
17504
17505         * dwarf2asm.c (dw2_assemble_integer): Handle size twice as large
17506         as DWARF2_ADDR_SIZE if x is not a scalar int by emitting it as
17507         two halves, one with x and the other with const0_rtx, ordered
17508         depending on endianity.
17509
17510 2021-01-26  Alexandre Oliva  <oliva@adacore.com>
17511
17512         * gimplify.c (gimplify_decl_expr): Skip asan marking calls for
17513         temporaries not seen in binding block, and not about to be
17514         added as gimple variables.
17515
17516 2021-01-25  Martin Sebor  <msebor@redhat.com>
17517
17518         PR c++/98646
17519         * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust warning text.
17520
17521 2021-01-25  Martin Liska  <mliska@suse.cz>
17522
17523         * value-prof.c (get_nth_most_common_value): Use %s instead
17524         of %qs string.
17525
17526 2021-01-25  Jakub Jelinek  <jakub@redhat.com>
17527
17528         PR debug/98811
17529         * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG): Only define if
17530         readelf -wi is able to read the emitted .debug_info back.
17531         * configure: Regenerated.
17532
17533 2021-01-25  Martin Liska  <mliska@suse.cz>
17534
17535         PR gcov-profile/98739
17536         * common.opt: Add missing sign symbol.
17537         * value-prof.c (get_nth_most_common_value): Restore handling
17538         of PROFILE_REPRODUCIBILITY_PARALLEL_RUNS and
17539         PROFILE_REPRODUCIBILITY_MULTITHREADED.
17540
17541 2021-01-25  Richard Biener  <rguenther@suse.de>
17542
17543         PR middle-end/98807
17544         * tree.c (vector_element_bits): Always use precision of
17545         the element type for boolean vectors.
17546
17547 2021-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17548
17549         * config/rtems.h (STARTFILE_SPEC): Remove qnolinkcmds.
17550         (ENDFILE_SPEC): Evaluate qnolinkcmds.
17551
17552 2021-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
17553
17554         * config/rtems.h (STARTFILE_SPEC): Remove nostdlib and
17555         nostartfiles handling since this is already done by
17556         LINK_COMMAND_SPEC.  Evaluate qnolinkcmds.
17557         (ENDFILE_SPEC): Remove nostdlib and nostartfiles handling since this
17558         is already done by LINK_COMMAND_SPEC.
17559         (LIB_SPECS): Remove nostdlib and nodefaultlibs handling since
17560         this is already done by LINK_COMMAND_SPEC.  Remove qnolinkcmds
17561         evaluation.
17562
17563 2021-01-25  Jakub Jelinek  <jakub@redhat.com>
17564
17565         PR testsuite/98771
17566         * fold-const-call.c (host_size_t_cst_p): Renamed to ...
17567         (size_t_cst_p): ... this.  Check and store unsigned HOST_WIDE_INT
17568         value rather than host size_t.
17569         (fold_const_call): Change type of s2 from size_t to
17570         unsigned HOST_WIDE_INT.  Use size_t_cst_p instead of
17571         host_size_t_cst_p.  For strncmp calls, pass MIN (s2, SIZE_MAX)
17572         instead of s2 as last argument.
17573
17574 2021-01-25  Tamar Christina  <tamar.christina@arm.com>
17575
17576         * config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
17577         VCMLA_OP, VCMUL_OP): New.
17578         * config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
17579         * config/arm/neon.md (cmul<conj_op><mode>3): New.
17580         * config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
17581         UNSPEC_VCMUL_CONJ): New.
17582         * config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
17583         cml<fcmac1><conj_op><mode>4): New.
17584
17585 2021-01-23  Jakub Jelinek  <jakub@redhat.com>
17586
17587         PR testsuite/97301
17588         * config/rs6000/mmintrin.h (__m64): Add __may_alias__ attribute.
17589
17590 2021-01-22  Jonathan Wright  <jonathan.wright@arm.com>
17591
17592         * config/aarch64/aarch64-simd-builtins.def: Add mla builtin
17593         generator macro.
17594         * config/aarch64/arm_neon.h (vmla_s8): Use RTL builtin rather
17595         than asm.
17596         (vmla_s16): Likewise.
17597         (vmla_s32): Likewise.
17598         (vmla_u8): Likewise.
17599         (vmla_u16): Likewise.
17600         (vmla_u32): Likewise.
17601         (vmlaq_s8): Likewise.
17602         (vmlaq_s16): Likewise.
17603         (vmlaq_s32): Likewise.
17604         (vmlaq_u8): Likewise.
17605         (vmlaq_u16): Likewise.
17606         (vmlaq_u32): Likewise.
17607
17608 2021-01-22  David Malcolm  <dmalcolm@redhat.com>
17609
17610         * doc/invoke.texi (GCC_EXTRA_DIAGNOSTIC_OUTPUT): Add @findex
17611         directive.
17612
17613 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
17614
17615         PR debug/98796
17616         * dwarf2out.c (output_file_names): For -gdwarf-5, if there are no
17617         filenames to emit, still emit the required 0 index directory and
17618         filename entries that match DW_AT_comp_dir and DW_AT_name of the
17619         compilation unit.
17620
17621 2021-01-22  Marek Polacek  <polacek@redhat.com>
17622
17623         PR c++/98545
17624         * doc/invoke.texi: Update C++ ABI Version 15 description.
17625
17626 2021-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17627
17628         PR tree-optimization/98766
17629         * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
17630         comparing against type size with param_avoid_fma_max_bits.
17631
17632 2021-01-22  Richard Biener  <rguenther@suse.de>
17633
17634         PR middle-end/98793
17635         * tree.c (vector_element_bits): Key single-bit bool vector on
17636         integer mode rather than not vector mode.
17637
17638 2021-01-22  Xionghu Luo  <luoxhu@linux.ibm.com>
17639
17640         PR target/98093
17641         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17642         Generate ARRAY_REF(VIEW_CONVERT_EXPR) for P8 and later
17643         platforms.
17644         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): Update
17645         to call different path for P8 and P9.
17646         (rs6000_expand_vector_set_var_p9): New function.
17647         (rs6000_expand_vector_set_var_p8): New function.
17648
17649 2021-01-22  Xionghu Luo  <luoxhu@linux.ibm.com>
17650
17651         PR target/79251
17652         PR target/98065
17653         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17654         Ajdust variable index vec_insert from address dereference to
17655         ARRAY_REF(VIEW_CONVERT_EXPR) tree expression.
17656         * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set_var):
17657         New declaration.
17658         * config/rs6000/rs6000.c (rs6000_expand_vector_set_var): New function.
17659
17660 2021-01-22  Martin Liska  <mliska@suse.cz>
17661
17662         PR gcov-profile/98739
17663         * profile.c (compute_value_histograms): Drop time profile for
17664         -fprofile-reproducible=multithreaded.
17665
17666 2021-01-22  Nathan Sidwell  <nathan@acm.org>
17667
17668         * gcc.c (process_command): Don't check OPT_SPECIAL_input_file
17669         existence here.
17670
17671 2021-01-22  Richard Biener  <rguenther@suse.de>
17672
17673         PR middle-end/98773
17674         * tree-data-ref.c (initalize_matrix_A): Revert previous
17675         change, retaining failing on HOST_WIDE_INT_MIN CHREC_RIGHT.
17676
17677 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
17678
17679         PR tree-optimization/90248
17680         * match.pd (X cmp 0.0 ? 1.0 : -1.0 -> copysign(1, +-X),
17681         X cmp 0.0 ? -1.0 : +1.0 -> copysign(1, -+X)): Remove
17682         simplifications.
17683         (X * (X cmp 0.0 ? 1.0 : -1.0) -> +-abs(X),
17684         X * (X cmp 0.0 ? -1.0 : 1.0) -> +-abs(X)): New simplifications.
17685
17686 2021-01-22  Jakub Jelinek  <jakub@redhat.com>
17687
17688         PR tree-optimization/98255
17689         * tree-dfa.c (get_ref_base_and_extent): For ARRAY_REFs, sign
17690         extend index - low_bound from sizetype's precision rather than index
17691         precision.
17692         (get_addr_base_and_unit_offset_1): Likewise.
17693         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Likewise.
17694         * gimple-fold.c (fold_const_aggregate_ref_1): Likewise.
17695
17696 2021-01-22  Richard Biener  <rguenther@suse.de>
17697
17698         PR tree-optimization/98786
17699         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Avoid
17700         adding new uses of abnormals.  Verify we deal with a conditional
17701         conversion.
17702
17703 2021-01-22  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17704
17705         PR target/98636
17706         * optc-save-gen.awk: Add arm_fp16_format to checked_options.
17707
17708 2021-01-22  liuhongt  <hongtao.liu@intel.com>
17709
17710         PR target/96891
17711         PR target/98348
17712         * config/i386/sse.md (VI_128_256): New mode iterator.
17713         (*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
17714          *avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
17715          *avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
17716         define_insn_and_split to lower avx512 vector comparison to avx
17717         version when dest is vector.
17718         (*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
17719         define_insn_and_split for negating the comparison result.
17720         * config/i386/predicates.md (float_vector_all_ones_operand):
17721         New predicate.
17722         * config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
17723         general NOT operator without UNSPEC_MASKOP.
17724
17725 2021-01-21  Vladimir N. Makarov  <vmakarov@redhat.com>
17726
17727         PR rtl-optimization/98777
17728         * lra-int.h (lra_pmode_pseudo): New extern.
17729         * lra.c (lra_pmode_pseudo): New global.
17730         (lra): Set it up.
17731         * lra-eliminations.c (eliminate_regs_in_insn): Use it.
17732
17733 2021-01-21  Ilya Leoshkevich  <iii@linux.ibm.com>
17734
17735         * fwprop.c (fwprop_propagation::classify_result): Allow
17736         (subreg (mem)) simplifications.
17737
17738 2021-01-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17739
17740         * config/aarch64/aarch64-simd.md (aarch64_sqdml<SBINQOPS:as>l<mode>):
17741         Split into...
17742         (aarch64_sqdmlal<mode>): ... This...
17743         (aarch64_sqdmlsl<mode>): ... And this.
17744         (aarch64_sqdml<SBINQOPS:as>l_lane<mode>): Split into...
17745         (aarch64_sqdmlal_lane<mode>): ... This...
17746         (aarch64_sqdmlsl_lane<mode>): ... And this.
17747         (aarch64_sqdml<SBINQOPS:as>l_laneq<mode>): Split into...
17748         (aarch64_sqdmlsl_laneq<mode>): ... This...
17749         (aarch64_sqdmlal_laneq<mode>):  ... And this.
17750         (aarch64_sqdml<SBINQOPS:as>l_n<mode>): Split into...
17751         (aarch64_sqdmlsl_n<mode>): ... This...
17752         (aarch64_sqdmlal_n<mode>): ... And this.
17753         (aarch64_sqdml<SBINQOPS:as>l2<mode>_internal): Split into...
17754         (aarch64_sqdmlal2<mode>_internal): ... This...
17755         (aarch64_sqdmlsl2<mode>_internal): ... And this.
17756
17757 2021-01-21  Christophe Lyon  <christophe.lyon@linaro.org>
17758
17759         * config/arm/arm_mve.h (__arm_vcmpneq_s8): Fix return type.
17760
17761 2021-01-21  Andrea Corallo  <andrea.corallo@arm.com>
17762
17763         PR target/96372
17764         * doc/sourcebuild.texi (arm_thumb2_no_arm_v8_1_lob): Document.
17765
17766 2021-01-21  liuhongt  <hongtao.liu@intel.com>
17767
17768         PR rtl-optimization/98694
17769         * regcprop.c (copy_value): If SRC had been assigned a mode
17770         narrower than the copy, we can't link DEST into the chain even
17771         they have same hard_regno_nregs(i.e. HImode/SImode in i386
17772         backend).
17773
17774 2021-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17775
17776         * config/aarch64/aarch64-simd.md (aarch64_get_lane<mode>):
17777         Convert to define_insn_and_split.  Split into simple move when moving
17778         bottom element.
17779
17780 2021-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
17781
17782         * config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Change assert.
17783         Adjust comment.  Simplify code.
17784
17785 2021-01-20  Jakub Jelinek  <jakub@redhat.com>
17786
17787         PR debug/98765
17788         * dwarf2out.c (reset_indirect_string): Also reset indirect strings
17789         with DW_FORM_line_strp form.
17790         (prune_unused_types_update_strings): Don't add into debug_str_hash
17791         indirect strings with DW_FORM_line_strp form.
17792         (adjust_name_comp_dir): New function.
17793         (dwarf2out_finish): Call it on CU DIEs after resetting
17794         debug_line_str_hash.
17795
17796 2021-01-20  Vladimir N. Makarov  <vmakarov@redhat.com>
17797
17798         PR rtl-optimization/98722
17799         * lra-eliminations.c (eliminate_regs_in_insn): Check that target
17800         has no 3-op add insn to transform insns containing two pluses.
17801
17802 2021-01-20  Richard Biener  <rguenther@suse.de>
17803
17804         * hwint.h (add_hwi): New function.
17805         (mul_hwi): Likewise.
17806         * tree-data-ref.c (initialize_matrix_A): Properly translate
17807         tree constants and avoid HOST_WIDE_INT_MIN.
17808         (lambda_matrix_row_add): Avoid undefined integer overflow
17809         and return true on such overflow.
17810         (lambda_matrix_right_hermite): Handle overflow from
17811         lambda_matrix_row_add gracefully.  Simplify previous fix.
17812         (analyze_subscript_affine_affine): Likewise.
17813
17814 2021-01-20  Eugene Rozenfeld  <erozen@microsoft.com>
17815
17816         PR tree-optimization/96674
17817         * match.pd: New patterns: x < y || y == XXX_MIN --> x <= y - 1
17818         x >= y && y != XXX_MIN --> x > y - 1
17819
17820 2021-01-20  Richard Sandiford  <richard.sandiford@arm.com>
17821
17822         PR tree-optimization/98535
17823         * tree-vect-slp.c (duplicate_and_interleave): Use quick_grow_cleared.
17824         If the high and low permutes are the same, remove the high permutes
17825         from the working set and only continue with the low ones.
17826
17827 2021-01-20  Jakub Jelinek  <jakub@redhat.com>
17828
17829         PR tree-optimization/98721
17830         * builtins.c (access_ref::inform_access): Don't assume
17831         SSA_NAME_IDENTIFIER must be non-NULL.  Print messages about
17832         object whenever allocfn is NULL, rather than only when DECL_P
17833         is true.  Use %qE instead of %qD for that.  Formatting fixes.
17834
17835 2021-01-20  Richard Biener  <rguenther@suse.de>
17836
17837         PR tree-optimization/98758
17838         * tree-data-ref.c (int_divides_p): Use lambda_int arguments.
17839         (lambda_matrix_right_hermite): Avoid undefinedness with
17840         signed integer abs and multiplication.
17841         (analyze_subscript_affine_affine): Use lambda_int.
17842
17843 2021-01-20  David Malcolm  <dmalcolm@redhat.com>
17844
17845         PR debug/98751
17846         * dwarf2out.c (output_line_info): Rename static variable
17847         "generation", moving it out of the function to...
17848         (output_line_info_generation): New.
17849         (init_sections_and_labels): Likewise, renaming the variable to...
17850         (init_sections_and_labels_generation): New.
17851         (dwarf2out_c_finalize): Reset the new variables.
17852
17853 2021-01-19  Martin Sebor  <msebor@redhat.com>
17854
17855         PR middle-end/98664
17856         * tree-ssa-live.c (remove_unused_scope_block_p): Keep scopes for
17857         all functions, even if they're not declared artificial or inline.
17858         * tree.c (tree_inlined_location): Use macro expansion location
17859         only if scope traversal fails to expose one.
17860
17861 2021-01-19  Richard Sandiford  <richard.sandiford@arm.com>
17862
17863         PR rtl-optimization/92294
17864         * alias.c (compare_base_symbol_refs): Take an extra parameter
17865         and add the distance between two symbols to it.  Enshrine in
17866         comments that -1 means "either 0 or 1, but we can't tell
17867         which at compile time".
17868         (memrefs_conflict_p): Update call accordingly.
17869         (rtx_equal_for_memref_p): Likewise.  Take the distance between symbols
17870         into account.
17871
17872 2021-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17873
17874         * config/aarch64/aarch64-simd-builtins.def (sqshl, uqshl,
17875         sqrshl, uqrshl, sqadd, uqadd, sqsub, uqsub, suqadd, usqadd, sqmovn,
17876         uqmovn, sqxtn2, uqxtn2, sqabs, sqneg, sqdmlal, sqdmlsl, sqdmlal_lane,
17877         sqdmlsl_lane, sqdmlal_laneq, sqdmlsl_laneq, sqdmlal_n, sqdmlsl_n,
17878         sqdmlal2, sqdmlsl2, sqdmlal2_lane, sqdmlsl2_lane, sqdmlal2_laneq,
17879         sqdmlsl2_laneq, sqdmlal2_n, sqdmlsl2_n, sqdmull, sqdmull_lane,
17880         sqdmull_laneq, sqdmull_n, sqdmull2, sqdmull2_lane, sqdmull2_laneq,
17881         sqdmull2_n, sqdmulh, sqrdmulh, sqdmulh_lane, sqdmulh_laneq,
17882         sqrdmulh_lane, sqrdmulh_laneq, sqshrun_n, sqrshrun_n, sqshrn_n,
17883         uqshrn_n, sqrshrn_n, uqrshrn_n, sqshlu_n, sqshl_n, uqshl_n, sqrdmlah,
17884         sqrdmlsh, sqrdmlah_lane, sqrdmlsh_lane, sqrdmlah_laneq, sqrdmlsh_laneq,
17885         sqmovun): Use NONE flags.
17886
17887 2021-01-19  Richard Biener  <rguenther@suse.de>
17888
17889         PR ipa/98330
17890         * ipa-modref.c (analyze_stmt): Only record a summary for a
17891         direct call.
17892
17893 2021-01-19  Richard Biener  <rguenther@suse.de>
17894
17895         PR middle-end/98638
17896         * tree-ssanames.c (fini_ssanames): Zero SSA_NAME_DEF_STMT.
17897
17898 2021-01-19  Daniel Hellstrom  <daniel@gaisler.com>
17899
17900         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
17901         built-in define __FIX_LEON3FT_TN0018.
17902
17903 2021-01-19  Richard Biener  <rguenther@suse.de>
17904
17905         PR ipa/97673
17906         * tree-inline.c (tree_function_versioning): Set input_location
17907         to UNKNOWN_LOCATION throughout the function.
17908
17909 2021-01-19  Tobias Burnus  <tobias@codesourcery.com>
17910
17911         PR fortran/98476
17912         * omp-low.c (lower_omp_target): Handle nonpointer is_device_ptr.
17913
17914 2021-01-19  Martin Jambor  <mjambor@suse.cz>
17915
17916         PR ipa/98690
17917         * ipa-sra.c (ssa_name_only_returned_p): New parameter fun.  Check
17918         whether non-call exceptions allow removal of a statement.
17919         (isra_analyze_call): Pass the appropriate function to
17920         ssa_name_only_returned_p.
17921
17922 2021-01-19  Geng Qi  <gengqi@linux.alibaba.com>
17923
17924         * config/riscv/arch-canonicalize (longext_sort): New function for
17925          sorting 'multi-letter'.
17926         * config/riscv/multilib-generator: Adjusting the loop of 'alt' in
17927         'alts'. The 'arch' may not be the first of 'alts'.
17928         (_expand_combination): Add underline for the 'ext' without '*'.
17929         This is because, a single-letter extension can always be treated well
17930         with a '_' prefix, but it cannot be separated out if it is appended
17931         to a multi-letter.
17932
17933 2021-01-18  Vladimir N. Makarov  <vmakarov@redhat.com>
17934
17935         PR target/97847
17936         * ira.c (ira): Skip abnormal critical edge splitting.
17937
17938 2021-01-18  Jakub Jelinek  <jakub@redhat.com>
17939
17940         PR tree-optimization/98727
17941         * tree-ssa-math-opts.c (match_arith_overflow): Fix up computation of
17942         second .MUL_OVERFLOW operand for signed multiplication with overflow
17943         checking if the second operand of multiplication is not constant.
17944
17945 2021-01-18  David Edelsohn  <dje.gcc@gmail.com>
17946
17947         * doc/invoke.texi (-gdwarf): TPF defaults to version 2 and AIX
17948         defaults to version 4.
17949
17950 2021-01-18  David Malcolm  <dmalcolm@redhat.com>
17951
17952         * attribs.h (fndecl_dealloc_argno): New decl.
17953         * builtins.c (call_dealloc_argno): Split out second half of
17954         function into...
17955         (fndecl_dealloc_argno): New.
17956         * doc/extend.texi (Common Function Attributes): Document the
17957         interaction between the analyzer and the malloc attribute.
17958         * doc/invoke.texi (Static Analyzer Options): Likewise.
17959
17960 2021-01-17  David Edelsohn  <dje.gcc@gmail.com>
17961
17962         * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Override
17963         dwarf_version to 4.
17964         * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17965
17966 2021-01-17  Martin Jambor  <mjambor@suse.cz>
17967
17968         PR ipa/98222
17969         * cgraph.c (clone_of_p): Check also former_clone_of as we climb
17970         the clone tree.
17971
17972 2021-01-17  Mark Wielaard  <mark@klomp.org>
17973
17974         * common.opt (gdwarf-): Init(5).
17975         * doc/invoke.texi (-gdwarf): Document default to 5.
17976
17977 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
17978
17979         * builtin-types.def
17980         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
17981         to...
17982         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
17983         ...this.  Add extra argument.
17984         * gimplify.c (omp_default_clause): Ensure that event handle is
17985         firstprivate in a task region.
17986         (gimplify_scan_omp_clauses): Handle OMP_CLAUSE_DETACH.
17987         (gimplify_adjust_omp_clauses): Likewise.
17988         * omp-builtins.def (BUILT_IN_GOMP_TASK): Change function type to
17989         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR.
17990         * omp-expand.c (expand_task_call): Add GOMP_TASK_FLAG_DETACH to flags
17991         if detach clause specified.  Add detach argument when generating
17992         call to GOMP_task.
17993         * omp-low.c (scan_sharing_clauses): Setup data environment for detach
17994         clause.
17995         (finish_taskreg_scan): Move field for variable containing the event
17996         handle to the front of the struct.
17997         * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_DETACH.  Fix
17998         ordering.
17999         * tree-nested.c (convert_nonlocal_omp_clauses): Handle
18000         OMP_CLAUSE_DETACH clause.
18001         (convert_local_omp_clauses): Handle OMP_CLAUSE_DETACH clause.
18002         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_DETACH.
18003         * tree.c (omp_clause_num_ops): Add entry for OMP_CLAUSE_DETACH.
18004         Fix ordering.
18005         (omp_clause_code_name): Add entry for OMP_CLAUSE_DETACH.  Fix
18006         ordering.
18007         (walk_tree_1): Handle OMP_CLAUSE_DETACH.
18008
18009 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18010
18011         * config/nios2/t-rtems: Reset all MULTILIB_* variables.  Shorten
18012         multilib directory names.  Use MULTILIB_REQUIRED instead of
18013         MULTILIB_EXCEPTIONS.  Add -mhw-mul -mhw-mulx -mhw-div
18014         -mcustom-fpu-cfg=fph2 multilib.
18015
18016 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18017
18018         * config/nios2/nios2.c (NIOS2_FPU_CONFIG_NUM): Adjust value.
18019         (nios2_init_fpu_configs): Provide register values for new
18020         -mcustom-fpu-cfg=fph2 option variant.
18021         * doc/invoke.texi (-mcustom-fpu-cfg=fph2): Document new option
18022         variant.
18023
18024 2021-01-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>
18025
18026         * config/nios2/nios2.c (nios2_custom_check_insns): Remove
18027         custom instruction warnings.
18028
18029 2021-01-16  Jakub Jelinek  <jakub@redhat.com>
18030
18031         PR tree-optimization/96669
18032         * match.pd ((CST << x) & 1 -> x == 0): New simplification.
18033
18034 2021-01-16  Jakub Jelinek  <jakub@redhat.com>
18035
18036         PR tree-optimization/96271
18037         * passes.def: Pass false argument to first two pass_cd_dce
18038         instances and true to last instance.  Add comment that
18039         last instance rewrites no longer addressed locals.
18040         * tree-ssa-dce.c (pass_cd_dce): Add update_address_taken_p member and
18041         initialize it.
18042         (pass_cd_dce::set_pass_param): New method.
18043         (pass_cd_dce::execute): Return TODO_update_address_taken from
18044         last cd_dce instance.
18045
18046 2021-01-15  Carl Love  <cel@us.ibm.com>
18047
18048         * config/rs6000/altivec.h (vec_mulh, vec_div, vec_dive, vec_mod):
18049         New defines.
18050         * config/rs6000/altivec.md (VIlong): Move define to file vsx.md.
18051         * config/rs6000/rs6000-builtin.def (DIVES_V4SI, DIVES_V2DI,
18052         DIVEU_V4SI, DIVEU_V2DI, DIVS_V4SI, DIVS_V2DI, DIVU_V4SI,
18053         DIVU_V2DI, MODS_V2DI, MODS_V4SI, MODU_V2DI, MODU_V4SI,
18054         MULHS_V2DI, MULHS_V4SI, MULHU_V2DI, MULHU_V4SI, MULLD_V2DI):
18055         Add builtin define.
18056         (MULH, DIVE, MOD):  Add new BU_P10_OVERLOAD_2 definitions.
18057         * config/rs6000/rs6000-call.c (VSX_BUILTIN_VEC_DIV,
18058         VSX_BUILTIN_VEC_DIVE, P10_BUILTIN_VEC_MOD, P10_BUILTIN_VEC_MULH):
18059         New overloaded definitions.
18060         (builtin_function_type) [P10V_BUILTIN_DIVEU_V4SI,
18061         P10V_BUILTIN_DIVEU_V2DI, P10V_BUILTIN_DIVU_V4SI,
18062         P10V_BUILTIN_DIVU_V2DI, P10V_BUILTIN_MODU_V2DI,
18063         P10V_BUILTIN_MODU_V4SI, P10V_BUILTIN_MULHU_V2DI,
18064         P10V_BUILTIN_MULHU_V4SI]: Add case
18065         statement for builtins.
18066         * config/rs6000/rs6000.md (bits): Add new attribute sizes V4SI, V2DI.
18067         * config/rs6000/vsx.md (VIlong): Moved from config/rs6000/altivec.md.
18068         (UNSPEC_VDIVES, UNSPEC_VDIVEU): New unspec definitions.
18069         (vsx_mul_v2di): Add if TARGET_POWER10 statement.
18070         (vsx_udiv_v2di): Add if TARGET_POWER10 statement.
18071         (dives_<mode>, diveu_<mode>, div<mode>3, uvdiv<mode>3,
18072         mods_<mode>, modu_<mode>, mulhs_<mode>, mulhu_<mode>, mulv2di3):
18073         Add define_insn, mode is VIlong.
18074         * doc/extend.texi (vec_mulh, vec_mul, vec_div, vec_dive, vec_mod):
18075         Add builtin descriptions.
18076
18077 2021-01-15  Eric Botcazou  <ebotcazou@adacore.com>
18078
18079         * final.c (final_start_function_1): Reset force_source_line.
18080
18081 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
18082
18083         PR tree-optimization/96669
18084         * match.pd (((1 << A) & 1) != 0 -> A == 0,
18085         ((1 << A) & 1) == 0 -> A != 0): Generalize for 1s replaced by
18086         possibly different power of two constants and to right shift too.
18087
18088 2021-01-15  Jakub Jelinek  <jakub@redhat.com>
18089
18090         PR tree-optimization/96681
18091         * match.pd ((x < 0) ^ (y < 0) to (x ^ y) < 0): New simplification.
18092         ((x >= 0) ^ (y >= 0) to (x ^ y) < 0): Likewise.
18093         ((x < 0) ^ (y >= 0) to (x ^ y) >= 0): Likewise.
18094         ((x >= 0) ^ (y < 0) to (x ^ y) >= 0): Likewise.
18095
18096 2021-01-15  Alexandre Oliva  <oliva@adacore.com>
18097
18098         * opts.c (gen_command_line_string): Exclude -dumpbase-ext.
18099
18100 2021-01-15  Tamar Christina  <tamar.christina@arm.com>
18101
18102         * config/aarch64/aarch64-simd.md (cml<fcmac1><conj_op><mode>4,
18103         cmul<conj_op><mode>3): New.
18104         * config/aarch64/iterators.md (UNSPEC_FCMUL,
18105         UNSPEC_FCMUL180, UNSPEC_FCMLA_CONJ, UNSPEC_FCMLA180_CONJ,
18106         UNSPEC_CMLA_CONJ, UNSPEC_CMLA180_CONJ, UNSPEC_CMUL, UNSPEC_CMUL180,
18107         FCMLA_OP, FCMUL_OP, conj_op, rotsplit1, rotsplit2, fcmac1, sve_rot1,
18108         sve_rot2, SVE2_INT_CMLA_OP, SVE2_INT_CMUL_OP, SVE2_INT_CADD_OP): New.
18109         (rot): Add UNSPEC_FCMUL, UNSPEC_FCMUL180.
18110         (rot_op): Renamed to conj_op.
18111         * config/aarch64/aarch64-sve.md (cml<fcmac1><conj_op><mode>4,
18112         cmul<conj_op><mode>3): New.
18113         * config/aarch64/aarch64-sve2.md (cml<fcmac1><conj_op><mode>4,
18114         cmul<conj_op><mode>3): New.
18115
18116 2021-01-15  David Malcolm  <dmalcolm@redhat.com>
18117
18118         PR bootstrap/98696
18119         * diagnostic.c
18120         (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
18121         Escape the tempfile name when constructing the expected output.
18122
18123 2021-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18124
18125         * config/aarch64/aarch64-simd.md (*aarch64_<su>mlsl_hi<mode>):
18126         Rename to...
18127         (aarch64_<su>mlsl_hi<mode>): ... This.
18128         (aarch64_<su>mlsl_hi<mode>): Define.
18129         (*aarch64_<su>mlsl<mode): Rename to...
18130         (aarch64_<su>mlsl<mode): ... This.
18131         * config/aarch64/aarch64-simd-builtins.def (smlsl, umlsl,
18132         smlsl_hi, umlsl_hi): Define builtins.
18133         * config/aarch64/arm_neon.h (vmlsl_high_s8, vmlsl_high_s16,
18134         vmlsl_high_s32, vmlsl_high_u8, vmlsl_high_u16, vmlsl_high_u32,
18135         vmlsl_s8, vmlsl_s16, vmlsl_s32, vmlsl_u8,
18136         vmlsl_u16, vmlsl_u32): Reimplement with builtins.
18137
18138 2021-01-15  Uroš Bizjak  <ubizjak@gmail.com>
18139
18140         * config/i386/i386-c.c (ix86_target_macros):
18141         Use cpp_define_formatted for __SIZEOF_FLOAT80__ definition.
18142
18143 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
18144
18145         PR target/88836
18146         * config.gcc (aarch64*-*-*): Add aarch64-cc-fusion.o to extra_objs.
18147         * Makefile.in (RTL_SSA_H): New variable.
18148         * config/aarch64/t-aarch64 (aarch64-cc-fusion.o): New rule.
18149         * config/aarch64/aarch64-protos.h (make_pass_cc_fusion): Declare.
18150         * config/aarch64/aarch64-passes.def: Add pass_cc_fusion after
18151         pass_combine.
18152         * config/aarch64/aarch64-cc-fusion.cc: New file.
18153
18154 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
18155
18156         * recog.h (insn_change_watermark::~insn_change_watermark): Avoid
18157         calling cancel_changes for changes that no longer exist.
18158
18159 2021-01-15  Richard Sandiford  <richard.sandiford@arm.com>
18160
18161         * rtl-ssa/functions.h (function_info::ref_defs): Rename to...
18162         (function_info::reg_defs): ...this.
18163         * rtl-ssa/member-fns.inl (function_info::ref_defs): Rename to...
18164         (function_info::reg_defs): ...this.
18165
18166 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18167
18168         PR target/71233
18169         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18170
18171 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18172
18173         Revert:
18174         2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18175
18176         PR target/71233
18177         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18178
18179 2021-01-15  Richard Biener  <rguenther@suse.de>
18180
18181         PR tree-optimization/96376
18182         * tree-vect-stmts.c (get_load_store_type): Disregard alignment
18183         for VMAT_INVARIANT.
18184
18185 2021-01-15  Martin Liska  <mliska@suse.cz>
18186
18187         * doc/install.texi: Document that some tests need pytest module.
18188         * doc/sourcebuild.texi: Likewise.
18189
18190 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18191
18192         PR target/71233
18193         * config/arm/arm_neon.h (vceqz_p64, vceqq_p64, vceqzq_p64): New.
18194
18195 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18196
18197         * config/arm/mve.md (mve_vshrq_n_s<mode>_imm): New entry.
18198         (mve_vshrq_n_u<mode>_imm): Likewise.
18199         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Move to ...
18200         * config/arm/vec-common.md: ... here.
18201
18202 2021-01-15  Christophe Lyon  <christophe.lyon@linaro.org>
18203
18204         * config/arm/mve.md (mve_vshlq_<supf><mode>): Move to
18205         vec-commond.md.
18206         * config/arm/neon.md (vashl<mode>3): Delete.
18207         * config/arm/vec-common.md (mve_vshlq_<supf><mode>): New.
18208         (vasl<mode>3): New expander.
18209
18210 2021-01-15  Richard Biener  <rguenther@suse.de>
18211
18212         PR tree-optimization/98685
18213         * tree-vect-slp.c (vect_schedule_slp_node): Refactor handling
18214         of vector extern defs.
18215
18216 2021-01-14  David Malcolm  <dmalcolm@redhat.com>
18217
18218         PR jit/98586
18219         * diagnostic.c (diagnostic_kind_text): Break out this array
18220         from...
18221         (diagnostic_build_prefix): ...here.
18222         (fancy_abort): Detect when diagnostic_initialize has not yet been
18223         called and fall back to a minimal implementation of printing the
18224         ICE, rather than segfaulting in internal_error.
18225
18226 2021-01-14  David Malcolm  <dmalcolm@redhat.com>
18227
18228         * diagnostic.c (diagnostic_initialize): Eliminate
18229         parseable_fixits_p in favor of initializing extra_output_kind from
18230         GCC_EXTRA_DIAGNOSTIC_OUTPUT.
18231         (convert_column_unit): New function, split out from...
18232         (diagnostic_converted_column): ...this.
18233         (print_parseable_fixits): Add "column_unit" and "tabstop" params.
18234         Use them to call convert_column_unit on the column values.
18235         (diagnostic_report_diagnostic): Eliminate conditional on
18236         parseable_fixits_p in favor of a switch statement on
18237         extra_output_kind, passing the appropriate values to the new
18238         params of print_parseable_fixits.
18239         (selftest::test_print_parseable_fixits_none): Update for new
18240         params of print_parseable_fixits.
18241         (selftest::test_print_parseable_fixits_insert): Likewise.
18242         (selftest::test_print_parseable_fixits_remove): Likewise.
18243         (selftest::test_print_parseable_fixits_replace): Likewise.
18244         (selftest::test_print_parseable_fixits_bytes_vs_display_columns):
18245         New.
18246         (selftest::diagnostic_c_tests): Call it.
18247         * diagnostic.h (enum diagnostics_extra_output_kind): New.
18248         (diagnostic_context::parseable_fixits_p): Delete field in favor
18249         of...
18250         (diagnostic_context::extra_output_kind): ...this new field.
18251         * doc/invoke.texi (Environment Variables): Add
18252         GCC_EXTRA_DIAGNOSTIC_OUTPUT.
18253         * opts.c (common_handle_option): Update handling of
18254         OPT_fdiagnostics_parseable_fixits for change to diagnostic_context
18255         fields.
18256
18257 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18258
18259         * tree-vect-slp-patterns.c (class complex_operations_pattern,
18260         complex_operations_pattern::matches,
18261         complex_operations_pattern::recognize,
18262         complex_operations_pattern::build): New.
18263         (slp_patterns): Use it.
18264
18265 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18266
18267         * internal-fn.def (COMPLEX_FMS, COMPLEX_FMS_CONJ): New.
18268         * optabs.def (cmls_optab, cmls_conj_optab): New.
18269         * doc/md.texi: Document them.
18270         * tree-vect-slp-patterns.c (class complex_fms_pattern,
18271         complex_fms_pattern::matches, complex_fms_pattern::recognize,
18272         complex_fms_pattern::build): New.
18273
18274 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18275
18276         * internal-fn.def (COMPLEX_FMA, COMPLEX_FMA_CONJ): New.
18277         * optabs.def (cmla_optab, cmla_conj_optab): New.
18278         * doc/md.texi: Document them.
18279         * tree-vect-slp-patterns.c (vect_match_call_p,
18280         class complex_fma_pattern, vect_slp_reset_pattern,
18281         complex_fma_pattern::matches, complex_fma_pattern::recognize,
18282         complex_fma_pattern::build): New.
18283
18284 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18285
18286         * internal-fn.def (COMPLEX_MUL, COMPLEX_MUL_CONJ): New.
18287         * optabs.def (cmul_optab, cmul_conj_optab): New.
18288         * doc/md.texi: Document them.
18289         * tree-vect-slp-patterns.c (vect_match_call_complex_mla,
18290         vect_normalize_conj_loc, is_eq_or_top, vect_validate_multiplication,
18291         vect_build_combine_node, class complex_mul_pattern,
18292         complex_mul_pattern::matches, complex_mul_pattern::recognize,
18293         complex_mul_pattern::build): New.
18294
18295 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18296
18297         * tree-vect-slp.c (optimize_load_redistribution_1): New.
18298         (optimize_load_redistribution, vect_is_slp_load_node): New.
18299         (vect_match_slp_patterns): Use it.
18300
18301 2021-01-14  Tamar Christina  <tamar.christina@arm.com>
18302
18303         * tree-vect-slp-patterns.c (complex_add_pattern::build):
18304         Elide nodes.
18305
18306 2021-01-14  Thomas Schwinge  <thomas@codesourcery.com>
18307
18308         * config/gcn/mkoffload.c (main): Create an offload image only in
18309         64-bit configurations.
18310
18311 2021-01-14  H.J. Lu  <hjl.tools@gmail.com>
18312
18313         PR target/98667
18314         * config/i386/i386-options.c (ix86_option_override_internal):
18315         Issue an error for -fcf-protection with CF_BRANCH when compiling
18316         for 32-bit non-TARGET_CMOV targets.
18317
18318 2021-01-14  Uroš Bizjak  <ubizjak@gmail.com>
18319
18320         PR target/98671
18321         * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
18322         Remove declaration and initialization of shadow variable "ret".
18323         (ix86_option_override_internal): Remove delcaration of
18324         shadow variable "i".  Redeclare shadowed variable to unsigned.
18325         * common/config/i386/i386-common.c (pta_size): Redeclare to unsigned.
18326         * config/i386/i386-builtins.c (get_builtin_code_for_version):
18327         Update for redeclaration.
18328         * config/i386/i386.h (pta_size): Ditto.
18329
18330 2021-01-14  Richard Biener  <rguenther@suse.de>
18331
18332         PR tree-optimization/98674
18333         * tree-data-ref.c (base_supports_access_fn_components_p): New.
18334         (initialize_data_dependence_relation): For two bases without
18335         possible access fns resort to type size equality when determining
18336         shape compatibility.
18337
18338 2021-01-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
18339
18340         PR target/66791
18341         * config/arm/arm_neon.h: Replace calls to __builtin_vcge* by
18342         <=, >= operators in vcle and vcge intrinsics respectively.
18343         * config/arm/arm_neon_builtins.def: Remove entry for
18344         vcge and vcgeu.
18345
18346 2021-01-14  Uroš Bizjak  <ubizjak@gmail.com>
18347
18348         PR target/98671
18349         * config/i386/i386-options.c (ix86_function_specific_save):
18350         Remove redundant assignment to opts->x_ix86_branch_cost.
18351         * config/i386/i386.c (ix86_prefetch_sse):
18352         Rename from x86_prefetch_sse.  Update all uses.
18353         * config/i386/i386.h: Update for rename.
18354         * config/i386/i386-options.h: Ditto.
18355
18356 2021-01-14  Jakub Jelinek  <jakub@redhat.com>
18357
18358         PR target/98670
18359         * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3,
18360         *sse4_1_zero_extendv4hiv4si2_3, *sse4_1_zero_extendv2siv2di2_3):
18361         Use Bm instead of m for non-avx.  Add isa attribute.
18362
18363 2021-01-14  Jakub Jelinek  <jakub@redhat.com>
18364
18365         PR tree-optimization/96688
18366         * match.pd (~(X >> Y) -> ~X >> Y): New simplification if
18367         ~X can be simplified.
18368
18369 2021-01-14  Richard Sandiford  <richard.sandiford@arm.com>
18370
18371         * tree-vect-stmts.c (vect_model_load_cost): Account for unused
18372         IFN_LOAD_LANES results.
18373
18374 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18375
18376         * config/aarch64/aarch64-simd.md (aarch64_<su>xtl<mode>):
18377         Define.
18378         (aarch64_xtn<mode>): Likewise.
18379         * config/aarch64/aarch64-simd-builtins.def (sxtl, uxtl, xtn):
18380         Define
18381         builtins.
18382         * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
18383         builtin.
18384         (vmovl_s16): Likewise.
18385         (vmovl_s32): Likewise.
18386         (vmovl_u8): Likewise.
18387         (vmovl_u16): Likewise.
18388         (vmovl_u32): Likewise.
18389         (vmovn_s16): Likewise.
18390         (vmovn_s32): Likewise.
18391         (vmovn_s64): Likewise.
18392         (vmovn_u16): Likewise.
18393         (vmovn_u32): Likewise.
18394         (vmovn_u64): Likewise.
18395
18396 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18397
18398         * config/aarch64/aarch64-simd.md (aarch64_<su>qxtn2<mode>_le):
18399         Define.
18400         (aarch64_<su>qxtn2<mode>_be): Likewise.
18401         (aarch64_<su>qxtn2<mode>): Likewise.
18402         * config/aarch64/aarch64-simd-builtins.def (sqxtn2, uqxtn2):
18403         Define builtins.
18404         * config/aarch64/iterators.md (SAT_TRUNC): Define code_iterator.
18405         (su): Handle ss_truncate and us_truncate.
18406         * config/aarch64/arm_neon.h (vqmovn_high_s16): Reimplement using
18407         builtin.
18408         (vqmovn_high_s32): Likewise.
18409         (vqmovn_high_s64): Likewise.
18410         (vqmovn_high_u16): Likewise.
18411         (vqmovn_high_u32): Likewise.
18412         (vqmovn_high_u64): Likewise.
18413
18414 2021-01-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18415
18416         * config/aarch64/aarch64-simd.md (aarch64_xtn2<mode>_le):
18417         Define.
18418         (aarch64_xtn2<mode>_be): Likewise.
18419         (aarch64_xtn2<mode>): Likewise.
18420         * config/aarch64/aarch64-simd-builtins.def (xtn2): Define
18421         builtins.
18422         * config/aarch64/arm_neon.h (vmovn_high_s16): Reimplement using
18423         builtins.
18424         (vmovn_high_s32): Likewise.
18425         (vmovn_high_s64): Likewise.
18426         (vmovn_high_u16): Likewise.
18427         (vmovn_high_u32): Likewise.
18428         (vmovn_high_u64): Likewise.
18429
18430 2021-01-13  Stafford Horne  <shorne@gmail.com>
18431
18432         * config/or1k/or1k.h (ASM_PREFERRED_EH_DATA_FORMAT): New macro.
18433
18434 2021-01-13  Stafford Horne  <shorne@gmail.com>
18435
18436         * config/or1k/linux.h (TARGET_ASM_FILE_END): Define macro.
18437
18438 2021-01-13  Stafford Horne  <shorne@gmail.com>
18439
18440         * config/or1k/or1k.h (TARGET_CPU_CPP_BUILTINS): Add builtin
18441           define for __or1k_hard_float__.
18442
18443 2021-01-13  Stafford Horne  <shorne@gmail.com>
18444
18445         * config/or1k/or1k.h (NO_PROFILE_COUNTERS): Define as 1.
18446         (PROFILE_HOOK): Define to call _mcount.
18447         (FUNCTION_PROFILER): Change from abort to no-op.
18448
18449 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
18450
18451         PR tree-optimization/96691
18452         * match.pd ((~X | C) ^ D -> (X | C) ^ (~D ^ C),
18453         (~X & C) ^ D -> (X & C) ^ (D ^ C)): New simplifications if
18454         (~D ^ C) or (D ^ C) can be simplified.
18455
18456 2021-01-13  Richard Biener  <rguenther@suse.de>
18457
18458         PR tree-optimization/92645
18459         * match.pd (BIT_FIELD_REF to conversion): Delay canonicalization
18460         until after vector lowering.
18461
18462 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
18463
18464         * config/aarch64/aarch64-sve.md (fnma<mode>4): Extend from SVE_FULL_I
18465         to SVE_I.
18466         (@aarch64_pred_fnma<mode>, cond_fnma<mode>, *cond_fnma<mode>_2)
18467         (*cond_fnma<mode>_4, *cond_fnma<mode>_any): Likewise.
18468
18469 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
18470
18471         * config/aarch64/aarch64-sve.md (fma<mode>4): Extend from SVE_FULL_I
18472         to SVE_I.
18473         (@aarch64_pred_fma<mode>, cond_fma<mode>, *cond_fma<mode>_2)
18474         (*cond_fma<mode>_4, *cond_fma<mode>_any): Likewise.
18475
18476 2021-01-13  Richard Biener  <rguenther@suse.de>
18477
18478         PR tree-optimization/92645
18479         * tree-vect-slp.c (vect_build_slp_tree_1): Relax supported
18480         BIT_FIELD_REF argument.
18481         (vect_build_slp_tree_2): Record the desired vector type
18482         on the external vector def.
18483         (vectorizable_slp_permutation): Handle required punning
18484         of existing vector defs.
18485
18486 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
18487
18488         * rtl-ssa/accesses.h (def_lookup): Fix order of comparison results.
18489
18490 2021-01-13  Richard Sandiford  <richard.sandiford@arm.com>
18491
18492         * config/sh/sh.md (movsf_ie): Remove operands[2] test.
18493
18494 2021-01-13  Samuel Thibault  <samuel.thibault@ens-lyon.org>
18495
18496         * config.gcc [$target == *-*-gnu*]: Enable
18497         'default_gnu_indirect_function'.
18498
18499 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
18500
18501         PR target/95905
18502         * optabs.c (expand_vec_perm_const): Don't force v0 and v1 into
18503         registers before calling targetm.vectorize.vec_perm_const, only after
18504         that.
18505         * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const): Handle
18506         two argument permutation when one operand is zero vector and only
18507         after that force operands into registers.
18508         * config/i386/sse.md (*avx2_zero_extendv16qiv16hi2_1): New
18509         define_insn_and_split pattern.
18510         (*avx512bw_zero_extendv32qiv32hi2_1): Likewise.
18511         (*avx512f_zero_extendv16hiv16si2_1): Likewise.
18512         (*avx2_zero_extendv8hiv8si2_1): Likewise.
18513         (*avx512f_zero_extendv8siv8di2_1): Likewise.
18514         (*avx2_zero_extendv4siv4di2_1): Likewise.
18515         * config/mips/mips.c (mips_vectorize_vec_perm_const): Force operands
18516         into registers.
18517         * config/arm/arm.c (arm_vectorize_vec_perm_const): Likewise.
18518         * config/sparc/sparc.c (sparc_vectorize_vec_perm_const): Likewise.
18519         * config/ia64/ia64.c (ia64_vectorize_vec_perm_const): Likewise.
18520         * config/aarch64/aarch64.c (aarch64_vectorize_vec_perm_const): Likewise.
18521         * config/rs6000/rs6000.c (rs6000_vectorize_vec_perm_const): Likewise.
18522         * config/gcn/gcn.c (gcn_vectorize_vec_perm_const): Likewise.  Use std::swap.
18523
18524 2021-01-13  Martin Liska  <mliska@suse.cz>
18525
18526         PR tree-optimization/98455
18527         * gimple-if-to-switch.cc (condition_info::record_phi_mapping):
18528         Record also virtual PHIs.
18529         (pass_if_to_switch::execute): Return TODO_cleanup_cfg only
18530         conditionally.
18531
18532 2021-01-13  Jonathan Wakely  <jwakely@redhat.com>
18533
18534         * doc/invoke.texi (C++ Modules): Fix typos.
18535
18536 2021-01-13  Richard Biener  <rguenther@suse.de>
18537
18538         PR tree-optimization/98640
18539         * tree-ssa-sccvn.c (visit_nary_op): Do not try to
18540         handle plus or minus from a truncated operand to be
18541         sign-extended.
18542
18543 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
18544
18545         PR target/96938
18546         * config/i386/i386.md (*btr<mode>_1, *btr<mode>_2): New
18547         define_insn_and_split patterns.
18548         (splitter after *btr<mode>_2): New splitter.
18549
18550 2021-01-13  Martin Liska  <mliska@suse.cz>
18551
18552         PR ipa/98652
18553         * cgraphunit.c (analyze_functions): Remove dead code.
18554
18555 2021-01-13  Qian Jianhua  <qianjh@cn.fujitsu.com>
18556
18557         * config/aarch64/aarch64-cost-tables.h (a64fx_extra_costs): New.
18558         * config/aarch64/aarch64.c (a64fx_addrcost_table): New.
18559         (a64fx_regmove_cost, a64fx_vector_cost): New.
18560         (a64fx_tunings): Use the new added cost tables.
18561
18562 2021-01-13  Jakub Jelinek  <jakub@redhat.com>
18563
18564         PR target/95905
18565         * config/i386/predicates.md (pmovzx_parallel): New predicate.
18566         * config/i386/sse.md (*sse4_1_zero_extendv8qiv8hi2_3): New
18567         define_insn_and_split pattern.
18568         (*sse4_1_zero_extendv4hiv4si2_3): Likewise.
18569         (*sse4_1_zero_extendv2siv2di2_3): Likewise.
18570
18571 2021-01-13  Julian Brown  <julian@codesourcery.com>
18572
18573         * config/gcn/gcn.c (gcn_conditional_register_usage): Remove dead code
18574         to fix v0 register.
18575
18576 2021-01-13  Julian Brown  <julian@codesourcery.com>
18577
18578         * config/gcn/gcn.c (gcn_md_reorg): Fix case where EXEC reg is live
18579         on entry to a BB.
18580
18581 2021-01-13  Julian Brown  <julian@codesourcery.com>
18582
18583         * config/gcn/gcn-valu.md (recip<mode>2<exec>, recip<mode>2): Use unspec
18584         for reciprocal-approximation instructions.
18585         (div<mode>3): Use fused multiply-accumulate operations for reciprocal
18586         refinement and division result.
18587         * config/gcn/gcn.md (UNSPEC_RCP): New unspec constant.
18588
18589 2021-01-13  Julian Brown  <julian@codesourcery.com>
18590
18591         * config/gcn/gcn-valu.md (subdf): Rename to...
18592         (subdf3): This.
18593
18594 2021-01-12  Martin Liska  <mliska@suse.cz>
18595
18596         * gcov.c (source_info::debug): Fix printf format for 32-bit hosts.
18597
18598 2021-01-12  Andrea Corallo  <andrea.corallo@arm.com>
18599
18600         * function-abi.h: Fix typo.
18601
18602 2021-01-12  Christophe Lyon  <christophe.lyon@linaro.org>
18603
18604         PR target/97875
18605         PR target/97875
18606         * config/arm/arm.h (ARM_HAVE_NEON_V8QI_LDST): New macro.
18607         (ARM_HAVE_NEON_V16QI_LDST, ARM_HAVE_NEON_V4HI_LDST): Likewise.
18608         (ARM_HAVE_NEON_V8HI_LDST, ARM_HAVE_NEON_V2SI_LDST): Likewise.
18609         (ARM_HAVE_NEON_V4SI_LDST, ARM_HAVE_NEON_V4HF_LDST): Likewise.
18610         (ARM_HAVE_NEON_V8HF_LDST, ARM_HAVE_NEON_V4BF_LDST): Likewise.
18611         (ARM_HAVE_NEON_V8BF_LDST, ARM_HAVE_NEON_V2SF_LDST): Likewise.
18612         (ARM_HAVE_NEON_V4SF_LDST, ARM_HAVE_NEON_DI_LDST): Likewise.
18613         (ARM_HAVE_NEON_V2DI_LDST): Likewise.
18614         (ARM_HAVE_V8QI_LDST, ARM_HAVE_V16QI_LDST): Likewise.
18615         (ARM_HAVE_V4HI_LDST, ARM_HAVE_V8HI_LDST): Likewise.
18616         (ARM_HAVE_V2SI_LDST, ARM_HAVE_V4SI_LDST, ARM_HAVE_V4HF_LDST): Likewise.
18617         (ARM_HAVE_V8HF_LDST, ARM_HAVE_V4BF_LDST, ARM_HAVE_V8BF_LDST): Likewise.
18618         (ARM_HAVE_V2SF_LDST, ARM_HAVE_V4SF_LDST, ARM_HAVE_DI_LDST): Likewise.
18619         (ARM_HAVE_V2DI_LDST): Likewise.
18620         * config/arm/mve.md (*movmisalign<mode>_mve_store): New pattern.
18621         (*movmisalign<mode>_mve_load): New pattern.
18622         * config/arm/neon.md (movmisalign<mode>): Move to ...
18623         * config/arm/vec-common.md: ... here.
18624
18625 2021-01-12  Vladimir N. Makarov  <vmakarov@redhat.com>
18626
18627         PR target/97969
18628         * lra-eliminations.c (eliminate_regs_in_insn): Add transformation
18629         of pattern 'plus (plus (hard reg, const), pseudo)'.
18630
18631 2021-01-12  Richard Biener  <rguenther@suse.de>
18632
18633         PR tree-optimization/98550
18634         * tree-vect-slp.c (vect_record_max_nunits): Check whether
18635         the group size is a multiple of the vector element count.
18636         (vect_build_slp_tree_1): When we need to fail because
18637         the vector type choosen causes unrolling do so lazily
18638         without affecting matches only at the end to guide group splitting.
18639
18640 2021-01-12  Martin Liska  <mliska@suse.cz>
18641
18642         PR c++/97284
18643         * optc-save-gen.awk: Compare also n_target_save vars with
18644         strcmp.
18645
18646 2021-01-12  Martin Liska  <mliska@suse.cz>
18647
18648         * gcov.c (source_info::debug): New.
18649         (print_usage): Add --debug (-D) option.
18650         (process_args): Likewise.
18651         (generate_results): Call src->debug after
18652         accumulate_line_counts.
18653         (read_graph_file): Properly assign id for EXIT_BLOCK.
18654         * profile.c (branch_prob): Dump function body before it is
18655         instrumented.
18656
18657 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
18658
18659         PR tree-optimization/98629
18660         * tree-ssa-math-opts.c (arith_overflow_check_p): Don't update use_stmt
18661         unless returning non-zero.
18662
18663 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
18664
18665         PR tree-optimization/95731
18666         * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
18667         x < 0 && y < 0 && z < 0 into (x | y | z) < 0 for signed x, y, z.
18668         (optimize_range_tests): Call optimize_range_tests_cmp_bitwise
18669         only after optimize_range_tests_var_bound.
18670
18671 2021-01-12  Jakub Jelinek  <jakub@redhat.com>
18672
18673         * configure.ac: Ensure c/Make-lang.in comes first in @all_lang_makefrags@.
18674         * configure: Regenerated.
18675
18676 2021-01-12  liuhongt  <hongtao.liu@intel.com>
18677
18678         PR target/98612
18679         * config/i386/i386-builtins.h (BUILTIN_DESC_SWAP_OPERANDS):
18680         Deleted.
18681         * config/i386/i386-expand.c (ix86_expand_sse_comi): Delete
18682         dead code.
18683
18684 2021-01-12  Alexandre Oliva  <oliva@adacore.com>
18685
18686         * ssa-iterators.h (end_imm_use_stmt_traverse): Forward
18687         declare.
18688         (auto_end_imm_use_stmt_traverse): New struct.
18689         (FOR_EACH_IMM_USE_STMT): Use it.
18690         (BREAK_FROM_IMM_USE_STMT, RETURN_FROM_IMM_USE_STMT): Remove,
18691         along with uses...
18692         * gimple-ssa-strength-reduction.c: ... here, ...
18693         * graphite-scop-detection.c: ... here, ...
18694         * ipa-modref.c, ipa-pure-const.c, ipa-sra.c: ... here, ...
18695         * tree-predcom.c, tree-ssa-ccp.c: ... here, ...
18696         * tree-ssa-dce.c, tree-ssa-dse.c: ... here, ...
18697         * tree-ssa-loop-ivopts.c, tree-ssa-math-opts.c: ... here, ...
18698         * tree-ssa-phiprop.c, tree-ssa.c: ... here, ...
18699         * tree-vect-slp.c: ... and here, ...
18700         * doc/tree-ssa.texi: ... and the example here.
18701
18702 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18703
18704         * config/aarch64/aarch64-sve.md (sdiv_pow2<mode>3): Extend from
18705         SVE_FULL_I to SVE_I.  Generate an UNSPEC_PRED_X.
18706         (*sdiv_pow2<mode>3): New pattern.
18707         (@cond_<sve_int_op><mode>): Extend from SVE_FULL_I to SVE_I.
18708         Wrap the ASRD in an UNSPEC_PRED_X.
18709         (*cond_<sve_int_op><mode>_2): Likewise.  Replace the UNSPEC_PRED_X
18710         predicate with a constant PTRUE, if it isn't already.
18711         (*cond_<sve_int_op><mode>_z): Replace with...
18712         (*cond_<sve_int_op><mode>_any): ...this new pattern.
18713
18714 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18715
18716         * config/aarch64/aarch64-sve.md (*cond_bic<mode>_2): Extend from
18717         SVE_FULL_I to SVE_I.
18718         (*cond_bic<mode>_any): Likewise.
18719
18720 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18721
18722         * config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart)
18723         (@aarch64_pred_<MUL_HIGHPART:optab><mode>): Extend from SVE_FULL_I
18724         to SVE_I.
18725
18726 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18727
18728         * config/aarch64/aarch64-sve.md (<su>abd<mode>_3): Extend from
18729         SVE_FULL_I to SVE_I.
18730         (*aarch64_cond_<su>abd<mode>_2): Likewise.
18731         (*aarch64_cond_<su>abd<mode>_any): Likewise.
18732         (@aarch64_pred_<su>abd<mode>): Likewise.  Use UNSPEC_PRED_X
18733         for the max and min but not for the minus.
18734         (*aarch64_cond_<su>abd<mode>_3): New pattern.
18735
18736 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18737
18738         * config/aarch64/iterators.md (SVE_24I): New iterator.
18739         * config/aarch64/aarch64-sve.md (*aarch64_adr<mode>_shift): Extend from
18740         SVE_FULL_SDI to SVE_24I.  Use containers rather than elements.
18741
18742 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18743
18744         * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_BINARY:optab><mode>)
18745         (*cond_<SVE_INT_BINARY:optab><mode>_2): Extend from SVE_FULL_I
18746         to SVE_I.
18747         (*cond_<SVE_INT_BINARY:optab><mode>_3): Likewise.
18748         (*cond_<SVE_INT_BINARY:optab><mode>_any): Likewise.
18749         (*cond_<SVE_INT_BINARY:optab><mode>_2_const): Likewise.
18750         (*cond_<SVE_INT_BINARY:optab><mode>_any_const): Likewise.
18751
18752 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18753
18754         * config/aarch64/aarch64-sve.md (<SVE_INT_BINARY_IMM:optab><mode>3)
18755         (@aarch64_pred_<SVE_INT_BINARY_IMM:optab><mode>)
18756         (*post_ra_<SVE_INT_BINARY_IMM:optab><mode>3): Extend from SVE_FULL_I
18757         to SVE_I.
18758
18759 2021-01-11  Richard Sandiford  <richard.sandiford@arm.com>
18760
18761         * config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3)
18762         (v<ASHIFT:optab><mode>3, @aarch64_pred_<optab><mode>)
18763         (*post_ra_v<ASHIFT:optab><mode>3): Extend from SVE_FULL_I to SVE_I.
18764
18765 2021-01-11  Martin Liska  <mliska@suse.cz>
18766
18767         PR jit/98615
18768         * symtab-clones.h (clone_info::release): Release
18769         symtab::m_clones with ggc_delete as it's a GGC memory.
18770
18771 2021-01-11  Matthias Klose  <doko@ubuntu.com>
18772
18773         * Makefile.in (LINK_PROGRESS): Show the link target.
18774
18775 2021-01-11  Richard Biener  <rguenther@suse.de>
18776
18777         PR tree-optimization/91403
18778         * tree-vect-data-refs.c (vect_analyze_group_access_1): Cap
18779         single-element interleaving group size at 4096 elements.
18780
18781 2021-01-11  Richard Biener  <rguenther@suse.de>
18782
18783         PR tree-optimization/98526
18784         * tree-vect-loop.c (vect_model_reduction_cost): Remove costing
18785         of the actual reduction op for the regular case.
18786         (vectorizable_reduction): Cost the stmts
18787         vect_transform_reduction produces here.
18788
18789 2021-01-11  Andreas Krebbel  <krebbel@linux.ibm.com>
18790
18791         * tree-ssa-forwprop.c (simplify_vector_constructor): For
18792         big-endian, use UNPACK[_FLOAT]_HI.
18793
18794 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
18795
18796         * tree-vect-slp-patterns.c (class complex_pattern,
18797         class complex_add_pattern): Add parameters to matches.
18798         (complex_add_pattern::build): Free memory.
18799         (complex_add_pattern::matches): Move validation end of match.
18800         (complex_add_pattern::recognize): Likewise.
18801
18802 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
18803
18804         * tree-vect-slp-patterns.c (linear_loads_p): Fix externals.
18805
18806 2021-01-11  Tamar Christina  <tamar.christina@arm.com>
18807
18808         * tree-vect-slp-patterns.c (is_linear_load_p): Fix ambiguity.
18809
18810 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
18811
18812         PR tree-optimization/95867
18813         * tree-ssa-math-opts.h: New header.
18814         * tree-ssa-math-opts.c: Include tree-ssa-math-opts.h.
18815         (powi_as_mults): No longer static.  Use build_one_cst instead of
18816         build_real.  Formatting fix.
18817         * tree-ssa-reassoc.c: Include tree-ssa-math-opts.h.
18818         (attempt_builtin_powi): Handle multiplication reassociation without
18819         powi_fndecl using powi_as_mults.
18820         (reassociate_bb): For integral types don't require
18821         -funsafe-math-optimizations to call attempt_builtin_powi.
18822
18823 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
18824
18825         PR tree-optimization/95852
18826         * tree-ssa-math-opts.c (maybe_optimize_guarding_check): Change
18827         mul_stmts parameter type to vec<gimple *> &.  Before cond_stmt
18828         allow in the bb any of the stmts in that vector, div_stmt and
18829         up to 3 cast stmts.
18830         (arith_cast_equal_p): New function.
18831         (arith_overflow_check_p): Add cast_stmt argument, handle signed
18832         multiply overflow checks.
18833         (match_arith_overflow): Adjust caller.  Handle signed multiply
18834         overflow checks.
18835
18836 2021-01-11  Jakub Jelinek  <jakub@redhat.com>
18837
18838         PR tree-optimization/95852
18839         * tree-ssa-math-opts.c (maybe_optimize_guarding_check): New function.
18840         (uaddsub_overflow_check_p): Renamed to ...
18841         (arith_overflow_check_p): ... this.  Handle also multiplication
18842         with overflow check.
18843         (match_uaddsub_overflow): Renamed to ...
18844         (match_arith_overflow): ... this.  Add cfg_changed argument.  Handle
18845         also multiplication with overflow check.  Adjust function comment.
18846         (math_opts_dom_walker::after_dom_children): Adjust callers.  Call
18847         match_arith_overflow also for MULT_EXPR.
18848
18849 2021-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18850
18851         * config/aarch64/arm_neon.h (vmovl_s8): Reimplement using
18852         __builtin_convertvector.
18853         (vmovl_s16): Likewise.
18854         (vmovl_s32): Likewise.
18855         (vmovl_u8): Likewise.
18856         (vmovl_u16): Likewise.
18857         (vmovl_u32): Likewise.
18858         (vmovn_s16): Likewise.
18859         (vmovn_s32): Likewise.
18860         (vmovn_s64): Likewise.
18861         (vmovn_u16): Likewise.
18862         (vmovn_u32): Likewise.
18863         (vmovn_u64): Likewise.
18864
18865 2021-01-11  Martin Liska  <mliska@suse.cz>
18866
18867         * gimple-if-to-switch.cc (struct condition_info): Use auto_var.
18868         (if_chain::is_beneficial): Delete clusters
18869         (find_conditions): Make second argument of conditions_in_bbs a
18870         pointer so that we control over it's lifetime.
18871         (pass_if_to_switch::execute): Delete them.
18872
18873 2021-01-11  Kewen Lin  <linkw@linux.ibm.com>
18874
18875         * ira.c (move_unallocated_pseudos): Check other_reg and skip if
18876         it isn't set.
18877
18878 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
18879
18880         * config/vax/vax.md (cc): Remove mode attribute.
18881         (subst_<cc>, subst_f<cc>): Rename to...
18882         (subst_<mode>, subst_f<VAXccnz:mode>): ... these respectively.
18883         (*cbranch<VAXint:mode>4_<VAXcc:mode>): Update for `cc' removal.
18884         (*cbranch<VAXfp:mode>4_<VAXccnz:mode>): Likewise.
18885         (*branch_<mode>, *branch_<mode>_reversed): Likewise.
18886
18887 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
18888
18889         * config/vax/vax.md (subst_f<cc>): Add mode to operands and
18890         `const_double_zero'.
18891
18892 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
18893
18894         * config/pdp11/pdp11.md (PDPfp): New mode iterator.
18895         (fcc_cc, fcc_ccnz): Use it.  Add mode to `const_double_zero' and
18896         operands.
18897
18898 2021-01-09  Maciej W. Rozycki  <macro@linux-mips.org>
18899
18900         * genemit.c (gen_exp) <CONST_DOUBLE>: Handle `const_double_zero'
18901         rtx.
18902         * read-rtl.c (rtx_reader::read_rtx_code): Handle machine mode
18903         with `const_double_zero'.
18904         * doc/rtl.texi (Constant Expression Types): Document it.
18905
18906 2021-01-09  Jakub Jelinek  <jakub@redhat.com>
18907
18908         PR c++/98556
18909         * tree-cfg.c (verify_gimple_assign_binary): Allow lhs of
18910         POINTER_DIFF_EXPR to be any integral type.
18911
18912 2021-01-09  Jakub Jelinek  <jakub@redhat.com>
18913
18914         PR rtl-optimization/98603
18915         * function.c (instantiate_virtual_regs_in_insn): For asm goto
18916         with impossible constraints, drop all SETs, CLOBBERs, drop PARALLEL
18917         if any, set ASM_OPERANDS mode to VOIDmode and change
18918         ASM_OPERANDS_OUTPUT_CONSTRAINT and ASM_OPERANDS_OUTPUT_IDX.
18919
18920 2021-01-09  Alexandre Oliva  <oliva@gnu.org>
18921
18922         PR debug/97714
18923         * final.c (notice_source_line): Narrow down the condition to
18924         skip a line-0 marker.
18925
18926 2021-01-08  Sergei Trofimovich  <siarheit@google.com>
18927
18928         * ipa-modref.c (merge_call_side_effects): Fix
18929         linebreak split by reordering two print calls.
18930
18931 2021-01-08  Ilya Leoshkevich  <iii@linux.ibm.com>
18932
18933         * config/s390/vector.md (*tf_to_fprx2_0): Rename from
18934         "*mov_tf_to_fprx2_0" for consistency, fix constraint.
18935         (*tf_to_fprx2_1): Rename from "*mov_tf_to_fprx2_1" for
18936         consistency, fix constraint.
18937
18938 2021-01-08  Ilya Leoshkevich  <iii@linux.ibm.com>
18939
18940         * config/s390/s390-c.c (s390_def_or_undef_macro): Accept
18941         callables instead of mask values.
18942         (struct target_flag_set_p): New predicate.
18943         (s390_cpu_cpp_builtins_internal): Define or undefine
18944         __LONG_DOUBLE_VX__ macro.
18945
18946 2021-01-08  H.J. Lu  <hjl.tools@gmail.com>
18947
18948         PR target/98482
18949         * config/i386/i386.c (x86_function_profiler): Use R10 and R11
18950         to call mcount in large model with PIC for NO_PROFILE_COUNTERS
18951         targets.
18952
18953 2021-01-08  Richard Biener  <rguenther@suse.de>
18954
18955         * tree-ssa-sccvn.c (pass_fre::execute): Reset the SCEV hash table.
18956
18957 2021-01-08  Richard Biener  <rguenther@suse.de>
18958
18959         * tree-vect-slp.c (scalar_stmts_to_slp_tree_map_t): Fix.
18960         (vect_build_slp_tree): On cache hit release the matched
18961         scalar stmts vector.
18962         * tree-vect-stmts.c (vectorizable_store): Properly free
18963         vec_oprnds before possibly gathering them again.
18964
18965 2021-01-08  Richard Biener  <rguenther@suse.de>
18966
18967         PR tree-optimization/98544
18968         * tree-vect-slp.c (vect_optimize_slp): Always materialize
18969         permutes at a permute node.
18970
18971 2021-01-08  H.J. Lu  <hjl.tools@gmail.com>
18972
18973         PR target/98482
18974         * config/i386/i386.c (x86_function_profiler): Use R10 to call
18975         mcount in large model.  Sorry for large model with PIC.
18976
18977 2021-01-08  Jakub Jelinek  <jakub@redhat.com>
18978
18979         PR target/98585
18980         * config/i386/i386.opt (ix86_cmodel, ix86_incoming_stack_boundary_arg,
18981         ix86_pmode, ix86_preferred_stack_boundary_arg, ix86_regparm,
18982         ix86_veclibabi_type): Remove x_ prefix, use TargetVariable instead of
18983         TargetSave and initialize for variables with enum types.
18984         (mfentry, mstack-protector-guard-reg=, mstack-protector-guard-offset=,
18985         mstack-protector-guard-symbol=): Add Save.
18986         * config/i386/i386-options.c (ix86_function_specific_save,
18987         ix86_function_specific_restore): Don't save or restore x_ix86_cmodel,
18988         x_ix86_incoming_stack_boundary_arg, x_ix86_pmode,
18989         x_ix86_preferred_stack_boundary_arg, x_ix86_regparm,
18990         x_ix86_veclibabi_type.
18991
18992 2021-01-08  Richard Sandiford  <richard.sandiford@arm.com>
18993
18994         * config/aarch64/aarch64-sve.md (*cnot<mode>): Extend from
18995         SVE_FULL_I to SVE_I.
18996         (*cond_cnot<mode>_2, *cond_cnot<mode>_any): Likewise.
18997
18998 2021-01-08  Richard Sandiford  <richard.sandiford@arm.com>
18999
19000         * config/aarch64/aarch64-sve.md (*cond_uxt<mode>_2): Extend from
19001         SVE_FULL_I to SVE_I.
19002         (*cond_uxt<mode>_any): Likewise.
19003
19004 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19005
19006         * config/aarch64/iterators.md (Vwhalf): New iterator.
19007         * config/aarch64/aarch64-simd.md (aarch64_<sur>adalp<mode>_3):
19008         Rename to...
19009         (aarch64_<sur>adalp<mode>): ... This.  Make more
19010         builtin-friendly.
19011         (<sur>sadv16qi): Adjust callsite of the above.
19012         * config/aarch64/aarch64-simd-builtins.def (sadalp, uadalp): New
19013         builtins.
19014         * config/aarch64/arm_neon.h (vpadal_s8): Reimplement using
19015         builtins.
19016         (vpadal_s16): Likewise.
19017         (vpadal_u8): Likewise.
19018         (vpadal_u16): Likewise.
19019         (vpadalq_s8): Likewise.
19020         (vpadalq_s16): Likewise.
19021         (vpadalq_s32): Likewise.
19022         (vpadalq_u8): Likewise.
19023         (vpadalq_u16): Likewise.
19024         (vpadalq_u32): Likewise.
19025
19026 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19027
19028         * config/aarch64/aarch64-simd.md (aarch64_<su>abd<mode>_3):
19029         Rename to...
19030         (aarch64_<su>abd<mode>): ... This.
19031         (<sur>sadv16qi): Adjust callsite of the above.
19032         * config/aarch64/aarch64-simd-builtins.def (sabd, uabd): Define
19033         builtins.
19034         * config/aarch64/arm_neon.h (vabd_s8): Reimplement using
19035         builtin.
19036         (vabd_s16): Likewise.
19037         (vabd_s32): Likewise.
19038         (vabd_u8): Likewise.
19039         (vabd_u16): Likewise.
19040         (vabd_u32): Likewise.
19041         (vabdq_s8): Likewise.
19042         (vabdq_s16): Likewise.
19043         (vabdq_s32): Likewise.
19044         (vabdq_u8): Likewise.
19045         (vabdq_u16): Likewise.
19046         (vabdq_u32): Likewise.
19047
19048 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19049
19050         * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define
19051         builtins.
19052         * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
19053         (vaba_s16): Likewise.
19054         (vaba_s32): Likewise.
19055         (vaba_u8): Likewise.
19056         (vaba_u16): Likewise.
19057         (vaba_u32): Likewise.
19058         (vabaq_s8): Likewise.
19059         (vabaq_s16): Likewise.
19060         (vabaq_s32): Likewise.
19061         (vabaq_u8): Likewise.
19062         (vabaq_u16): Likewise.
19063         (vabaq_u32): Likewise.
19064
19065 2021-01-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
19066
19067         * config/aarch64/aarch64-simd.md (aba<mode>_3): Rename to...
19068         (aarch64_<su>aba<mode>): ... This.  Handle uaba as well.
19069         Change RTL pattern to match.
19070
19071 2021-01-08  Kito Cheng  <kito.cheng@sifive.com>
19072
19073         * common/config/riscv/riscv-common.c (riscv_current_subset_list): New.
19074         * config/riscv/riscv-c.c (riscv-subset.h): New.
19075         (INCLUDE_STRING): Define.
19076         (riscv_cpu_cpp_builtins): Add new style architecture extension
19077         test macros.
19078         * config/riscv/riscv-subset.h (riscv_subset_list::begin): New.
19079         (riscv_subset_list::end): New.
19080         (riscv_current_subset_list): New.
19081
19082 2021-01-08  Kito Cheng  <kito.cheng@sifive.com>
19083
19084         * common/config/riscv/riscv-common.c (RISCV_DONT_CARE_VERSION):
19085         Move to riscv-subset.h.
19086         (struct riscv_subset_t): Ditto.
19087         (class riscv_subset_list): Ditto.
19088         * config/riscv/riscv-subset.h (RISCV_DONT_CARE_VERSION): Move
19089         from riscv-common.c.
19090         (struct riscv_subset_t): Ditto.
19091         (class riscv_subset_list): Ditto.
19092         * config/riscv/t-riscv ($(common_out_file)): Add file
19093         dependency.
19094
19095 2021-01-07  Jakub Jelinek  <jakub@redhat.com>
19096
19097         PR target/98567
19098         * config/i386/i386.md (*bmi_blsi_<mode>_cmp, *bmi_blsi_<mode>_ccno):
19099         New define_insn patterns.
19100
19101 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
19102
19103         * config/aarch64/aarch64-sve.md (@cond_<SVE_INT_UNARY:optab><mode>)
19104         (*cond_<SVE_INT_UNARY:optab><mode>_2): Extend from SVE_FULL_I to SVE_I.
19105         (*cond_<SVE_INT_UNARY:optab><mode>_any): Likewise.
19106
19107 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
19108
19109         PR tree-optimization/98560
19110         * internal-fn.def (IFN_VCONDU, IFN_VCONDEQ): Use type vec_cond.
19111         * internal-fn.c (vec_cond_mask_direct): Get the data mode from
19112         argument 1.
19113         (vec_cond_direct): Likewise argument 2.
19114         (vec_condu_direct, vec_condeq_direct): Delete.
19115         (expand_vect_cond_optab_fn): Rename to...
19116         (expand_vec_cond_optab_fn): ...this, replacing old macro.
19117         (expand_vec_condu_optab_fn, expand_vec_condeq_optab_fn): Delete.
19118         (expand_vect_cond_mask_optab_fn): Rename to...
19119         (expand_vec_cond_mask_optab_fn): ...this, replacing old macro.
19120         (direct_vec_cond_mask_optab_supported_p): Treat the optab as a
19121         convert optab.
19122         (direct_vec_cond_optab_supported_p): Likewise.
19123         (direct_vec_condu_optab_supported_p): Delete.
19124         (direct_vec_condeq_optab_supported_p): Delete.
19125         * gimple-isel.cc: Include internal-fn.h.
19126         (gimple_expand_vec_cond_expr): Check that IFN_VCONDEQ is supported
19127         before using it.
19128
19129 2021-01-07  Richard Sandiford  <richard.sandiford@arm.com>
19130
19131         PR tree-optimization/98560
19132         * gimple-isel.cc (gimple_expand_vec_cond_expr): If we fail to use
19133         IFN_VCOND{,U,EQ}, fall back on IFN_VCOND_MASK.
19134
19135 2021-01-07  Uroš Bizjak  <ubizjak@gmail.com>
19136
19137         * config/i386/i386.md (insn): Merge from plusminus_insn, shift_insn,
19138         rotate_insn and optab code attributes.
19139         Update all uses to merged code attribute.
19140         * config/i386/sse.md: Update all uses to merged code attribute.
19141         * config/i386/mmx.md: Update all uses to merged code attribute.
19142
19143 2021-01-07  Jakub Jelinek  <jakub@redhat.com>
19144
19145         PR tree-optimization/98568
19146         * gimple-ssa-store-merging.c (bswap_view_convert): New function.
19147         (bswap_replace): Use it.
19148
19149 2021-01-06  Vladimir N. Makarov  <vmakarov@redhat.com>
19150
19151         PR rtl-optimization/97978
19152         * lra-int.h (lra_hard_reg_split_p): New external.
19153         * lra.c (lra_hard_reg_split_p): New global.
19154         (lra): Set up lra_hard_reg_split_p after splitting a hard reg.
19155         * lra-assigns.c (lra_assign): Don't check allocation correctness
19156         after hard reg splitting.
19157
19158 2021-01-06  Martin Sebor  <msebor@redhat.com>
19159
19160         PR c++/98305
19161         * builtins.c (new_delete_mismatch_p): New overload.
19162         (new_delete_mismatch_p (tree, tree)): Call it.
19163
19164 2021-01-06  Alexandre Oliva  <oliva@adacore.com>
19165
19166         * Makefile.in (T_GLIMITS_H): New.
19167         (stmp-int-hdrs): Depend on it, use it.
19168         * config/t-vxworks (T_GLIMITS_H): Override it.
19169         (vxw-glimits.h): New.
19170
19171 2021-01-06  Richard Biener  <rguenther@suse.de>
19172
19173         PR tree-optimization/98513
19174         * value-range.cc (intersect_ranges): Compare the upper bounds
19175         for the expected relation.
19176
19177 2021-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
19178
19179         Revert:
19180         2020-12-28  Gerald Pfeifer  <gerald@pfeifer.com>
19181
19182         * doc/standards.texi (HSAIL): Remove section.
19183
19184 2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>
19185
19186         * configure: Re-generate.
19187
19188 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19189
19190         * doc/invoke.texi (-std=c++20): Adjust for the publication of
19191         ISO 14882:2020 standard.
19192         * doc/standards.texi: Likewise.
19193
19194 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19195
19196         PR tree-optimization/94802
19197         * expr.h (maybe_optimize_sub_cmp_0): Declare.
19198         * expr.c: Include tree-pretty-print.h and flags.h.
19199         (maybe_optimize_sub_cmp_0): New function.
19200         (do_store_flag): Use it.
19201         * cfgexpand.c (expand_gimple_cond): Likewise.
19202
19203 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
19204
19205         * mux-utils.h (pointer_mux::m_ptr): Tweak description of contents.
19206         * rtlanal.c (simple_regno_set): Tweak description to clarify the
19207         RMW condition.
19208
19209 2021-01-05  Richard Biener  <rguenther@suse.de>
19210
19211         PR tree-optimization/98516
19212         * tree-vect-slp.c (vect_optimize_slp): Permute the incoming
19213         lanes when materializing on a VEC_PERM node.
19214         (vectorizable_slp_permutation): Dump the permute properly.
19215
19216 2021-01-05  Richard Biener  <rguenther@suse.de>
19217
19218         * tree-vect-slp.c (vect_slp_region): Move debug counter
19219         to cover individual subgraphs.
19220
19221 2021-01-05  Richard Biener  <rguenther@suse.de>
19222
19223         PR tree-optimization/98428
19224         * tree-vect-slp.c (vect_build_slp_tree_1): Properly reject
19225         vector lane extracts for loop vectorization.
19226
19227 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19228
19229         PR tree-optimization/98514
19230         * tree-ssa-reassoc.c (bb_rank): Change type from long * to
19231         int64_t *.
19232         (operand_rank): Change type from hash_map<tree, long> to
19233         hash_map<tree, int64_t>.
19234         (phi_rank): Change return type from long to int64_t.
19235         (loop_carried_phi): Change block_rank variable type from long to
19236         int64_t.
19237         (propagate_rank): Change return type, rank parameter type and
19238         op_rank variable type from long to int64_t.
19239         (find_operand_rank): Change return type from long to int64_t
19240         and change slot variable type from long * to int64_t *.
19241         (insert_operand_rank): Change rank parameter type from long to
19242         int64_t.
19243         (get_rank): Change return type and rank variable type from long to
19244         int64_t.  Use PRId64 instead of ld to print the rank.
19245         (init_reassoc): Change rank variable type from long to int64_t
19246         and adjust correspondingly bb_rank and operand_rank initialization.
19247
19248 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19249
19250         PR tree-optimization/96928
19251         * tree-ssa-phiopt.c (xor_replacement): New function.
19252         (tree_ssa_phiopt_worker): Call it.
19253
19254 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19255
19256         PR tree-optimization/96930
19257         * match.pd ((A / (1 << B)) -> (A >> B)): If A is extended
19258         from narrower value which has the same type as 1 << B, perform
19259         the right shift on the narrower value followed by extension.
19260
19261 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19262
19263         PR tree-optimization/96239
19264         * gimple-ssa-store-merging.c (maybe_optimize_vector_constructor): New
19265         function.
19266         (get_status_for_store_merging): Don't return BB_INVALID for blocks
19267         with potential bswap optimizable CONSTRUCTORs.
19268         (pass_store_merging::execute): Optimize vector CONSTRUCTORs with bswap
19269         if possible.
19270
19271 2021-01-05  Richard Biener  <rguenther@suse.de>
19272
19273         PR tree-optimization/98381
19274         * tree.c (vector_element_bits): Properly compute bool vector
19275         element size.
19276         * tree-vect-loop.c (vectorizable_live_operation): Properly
19277         compute the last lane bit offset.
19278
19279 2021-01-05  Uroš Bizjak  <ubizjak@gmail.com>
19280
19281         PR target/98522
19282         * config/i386/sse.md (sse_cvtps2pi): Redefine as define_insn_and_split.
19283         Clear the top 64 bytes of the input XMM register.
19284         (sse_cvttps2pi): Ditto.
19285
19286 2021-01-05  Uroš Bizjak  <ubizjak@gmail.com>
19287
19288         PR target/98521
19289         * config/i386/xopintrin.h (_mm256_cmov_si256): New.
19290
19291 2021-01-05  H.J. Lu  <hjl.tools@gmail.com>
19292
19293         PR target/98495
19294         * config/i386/xmmintrin.h (_mm_extract_pi16): Cast to unsigned
19295         short first.
19296
19297 2021-01-05  Claudiu Zissulescu  <claziss@synopsys.com>
19298
19299         * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
19300         (umaddsidi4_split): Likewise.
19301
19302 2021-01-05  liuhongt  <hongtao.liu@intel.com>
19303
19304         PR target/98461
19305         * config/i386/sse.md (*sse2_pmovskb_zexthisi): New
19306         define_insn_and_split for zero_extend of subreg HI of pmovskb
19307         result.
19308         (*sse2_pmovskb_zexthisi): Add new combine splitters for
19309         zero_extend of not of subreg HI of pmovskb result.
19310
19311 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
19312
19313         PR target/97269
19314         * explow.c (convert_memory_address_addr_space_1): Handle UNSPECs
19315         nested in CONSTs.
19316         * config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Use
19317         convert_memory_address to convert symbolic immediates to ptr_mode
19318         before forcing them to memory.
19319
19320 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
19321
19322         PR rtl-optimization/97144
19323         * recog.c (constrain_operands): Initialize matching_operand
19324         for each alternative, rather than only doing it once.
19325
19326 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
19327
19328         PR rtl-optimization/98403
19329         * rtl-ssa/changes.cc (function_info::finalize_new_accesses): Explain
19330         why we don't remove call clobbers.
19331         (function_info::apply_changes_to_insn): Don't attempt to add
19332         call clobbers here.
19333
19334 2021-01-05  Richard Sandiford  <richard.sandiford@arm.com>
19335
19336         PR tree-optimization/98371
19337         * tree-vect-loop.c (vect_reanalyze_as_main_loop): New function.
19338         (vect_analyze_loop): If an epilogue loop appears to be cheaper
19339         than the main loop, re-analyze it as a main loop before adopting
19340         it as a main loop.
19341
19342 2021-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19343
19344         PR c++/98316
19345         * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL.
19346         * aclocal.m4, configure: Regenerate.
19347         * Makefile.in (NETLIBS): Define.
19348         (BACKEND): Remove $(CODYLIB).
19349
19350 2021-01-05  Jakub Jelinek  <jakub@redhat.com>
19351
19352         PR rtl-optimization/98334
19353         * simplify-rtx.c (simplify_context::simplify_binary_operation_1):
19354         Optimize (X - 1) * Y + Y to X * Y or (X + 1) * Y - Y to X * Y.
19355
19356 2021-01-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19357
19358         * tree-inline.c (expand_call_inline): Restore input_location.
19359         Return result from recursive call.
19360
19361 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
19362
19363         PR tree-optimization/95401
19364         * config/aarch64/aarch64-sve-builtins.cc
19365         (gimple_folder::load_store_cookie): Use bits rather than bytes
19366         for the alignment argument to IFN_MASK_LOAD and IFN_MASK_STORE.
19367         * gimple-fold.c (gimple_fold_mask_load_store_mem_ref): Likewise.
19368         * tree-vect-stmts.c (vectorizable_store): Likewise.
19369         (vectorizable_load): Likewise.
19370
19371 2021-01-04  Richard Biener  <rguenther@suse.de>
19372
19373         PR tree-optimization/98308
19374         * tree-vect-stmts.c (vectorizable_load): Set invariant mask
19375         SLP vectype.
19376
19377 2021-01-04  Jakub Jelinek  <jakub@redhat.com>
19378
19379         PR tree-optimization/95771
19380         * tree-ssa-loop-niter.c (number_of_iterations_popcount): Handle types
19381         with precision smaller than int's precision and types with precision
19382         twice as large as long long.  Formatting fixes.
19383
19384 2021-01-04  Richard Biener  <rguenther@suse.de>
19385
19386         PR tree-optimization/98464
19387         * tree-ssa-sccvn.c (vn_valueize_for_srt): Rename from ...
19388         (vn_valueize_wrapper): ... this.  Temporarily adjust vn_context_bb.
19389         (process_bb): Adjust.
19390
19391 2021-01-04  Matthew Malcomson  <matthew.malcomson@arm.com>
19392
19393         PR other/98437
19394         * doc/invoke.texi (-fsanitize=address): Fix wording describing
19395         clash with -fsanitize=hwaddress.
19396
19397 2021-01-04  Richard Biener  <rguenther@suse.de>
19398
19399         PR tree-optimization/98282
19400         * tree-ssa-sccvn.c (vn_get_stmt_kind): Classify tcc_reference on
19401         invariants as VN_NARY.
19402
19403 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
19404
19405         PR target/89057
19406         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Accept
19407         aarch64_simd_reg_or_zero for operand 2.  Use the combinez patterns
19408         to handle zero operands.
19409
19410 2021-01-04  Richard Sandiford  <richard.sandiford@arm.com>
19411
19412         * config/aarch64/aarch64.c (offset_6bit_signed_scaled_p): New function.
19413         (offset_6bit_unsigned_scaled_p): Fix typo in comment.
19414         (aarch64_sve_prefetch_operand_p): Accept MUL VLs in the range
19415         [-32, 31].
19416
19417 2021-01-04  Richard Biener  <rguenther@suse.de>
19418
19419         PR tree-optimization/98393
19420         * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
19421         when hitting the limit.
19422
19423 2021-01-04  Richard Biener  <rguenther@suse.de>
19424
19425         PR tree-optimization/98291
19426         * tree-vect-loop.c (vectorizable_reduction): Bypass
19427         associativity check for SLP reductions with VF 1.
19428
19429 2021-01-04  Jakub Jelinek  <jakub@redhat.com>
19430
19431         PR tree-optimization/96782
19432         * match.pd (x == ~x -> false, x != ~x -> true): New simplifications.
19433
19434 2021-01-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19435
19436         * collect-utils.c (collect_execute): Check dumppfx.
19437         * collect2.c (maybe_run_lto_and_relink, do_link): Pass atsuffix
19438         to collect_execute.
19439         (do_link): Add new parameter atsuffix.
19440         (main): Handle -dumpdir option.  Skip one argument for
19441         -o, -isystem and -B options.
19442         * gcc.c (make_at_file): New helper function.
19443         (close_at_file): Use it.
19444
19445 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19446
19447         * config/darwin.h (MIN_LD64_NO_COAL_SECTS): Adjust.
19448         Amend handling for LD64_VERSION fallback defaults.
19449
19450 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19451
19452         * config.gcc: Compute default version information
19453         from the configured target.  Likewise defaults for
19454         ld64.
19455         * config/darwin10.h: Removed.
19456         * config/darwin12.h: Removed.
19457         * config/darwin9.h: Removed.
19458         * config/rs6000/darwin8.h: Removed.
19459
19460 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19461
19462         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
19463
19464 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19465
19466         * config/darwin9.h (STACK_CHECK_STATIC_BUILTIN): Move from here..
19467         * config/darwin.h (STACK_CHECK_STATIC_BUILTIN): .. to here.
19468
19469 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19470
19471         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move from
19472         here...
19473         * config/darwin.h (LINK_GCC_C_SEQUENCE_SPEC): ... to here.
19474
19475 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19476
19477         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Move the spec
19478         for the Darwin10 unwinder stub from here ...
19479         * config/darwin.h (LINK_COMMAND_SPEC_A): ... to here.
19480
19481 2021-01-02  Iain Sandoe  <iain@sandoe.co.uk>
19482
19483         * config/darwin.h (DSYMUTIL_SPEC): Default to DWARF
19484         (ASM_DEBUG_SPEC):Only define if the assembler supports
19485         stabs.
19486         (PREFERRED_DEBUGGING_TYPE): Default to DWARF.
19487         (DARWIN_PREFER_DWARF): Define.
19488         * config/darwin9.h (PREFERRED_DEBUGGING_TYPE): Remove.
19489         (DARWIN_PREFER_DWARF): Likewise
19490         (DSYMUTIL_SPEC): Likewise.
19491         (COLLECT_RUN_DSYMUTIL): Likewise.
19492         (ASM_DEBUG_SPEC): Likewise.
19493         (ASM_DEBUG_OPTION_SPEC): Likewise.
19494
19495 2021-01-02  Jan Hubicka  <jh@suse.cz>
19496
19497         * cfg.c (free_block): ggc_free bb.
19498
19499 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
19500
19501         * gcc.c (process_command): Update copyright notice dates.
19502         * gcov-dump.c (print_version): Ditto.
19503         * gcov.c (print_version): Ditto.
19504         * gcov-tool.c (print_version): Ditto.
19505         * gengtype.c (create_file): Ditto.
19506         * doc/cpp.texi: Bump @copying's copyright year.
19507         * doc/cppinternals.texi: Ditto.
19508         * doc/gcc.texi: Ditto.
19509         * doc/gccint.texi: Ditto.
19510         * doc/gcov.texi: Ditto.
19511         * doc/install.texi: Ditto.
19512         * doc/invoke.texi: Ditto.
19513
19514 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
19515
19516         * ChangeLog-2020: Rotate ChangeLog.  New file.
19517
19518 \f
19519 Copyright (C) 2021 Free Software Foundation, Inc.
19520
19521 Copying and distribution of this file, with or without modification,
19522 are permitted in any medium without royalty provided the copyright
19523 notice and this notice are preserved.