gcc/ChangeLog

   1 2023-01-31  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * doc/include/fdl.texi: Change fsf.org to www.fsf.org.
   4
   5 2023-01-30  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
   6
   7         * config/riscv/riscv-protos.h (get_vector_mode): New function.
   8         * config/riscv/riscv-v.cc (get_vector_mode): Ditto.
   9         * config/riscv/riscv-vector-builtins-bases.cc (enum lst_type): New enum.
  10         (class loadstore): Adjust for indexed loads/stores support.
  11         (BASE): Ditto.
  12         * config/riscv/riscv-vector-builtins-bases.h: New function declare.
  13         * config/riscv/riscv-vector-builtins-functions.def (vluxei8): Ditto.
  14         (vluxei16): Ditto.
  15         (vluxei32): Ditto.
  16         (vluxei64): Ditto.
  17         (vloxei8): Ditto.
  18         (vloxei16): Ditto.
  19         (vloxei32): Ditto.
  20         (vloxei64): Ditto.
  21         (vsuxei8): Ditto.
  22         (vsuxei16): Ditto.
  23         (vsuxei32): Ditto.
  24         (vsuxei64): Ditto.
  25         (vsoxei8): Ditto.
  26         (vsoxei16): Ditto.
  27         (vsoxei32): Ditto.
  28         (vsoxei64): Ditto.
  29         * config/riscv/riscv-vector-builtins-shapes.cc
  30         (struct indexed_loadstore_def): New class.
  31         (SHAPE): Ditto.
  32         * config/riscv/riscv-vector-builtins-shapes.h: Ditto.
  33         * config/riscv/riscv-vector-builtins.cc (required_extensions_p): Adjust
  34         for indexed loads/stores support.
  35         (check_required_extensions): Ditto.
  36         (rvv_arg_type_info::get_base_vector_type): New function.
  37         (rvv_arg_type_info::get_tree_type): Ditto.
  38         (function_builder::add_unique_function): Adjust for indexed loads/stores
  39         support.
  40         (function_expander::use_exact_insn): New function.
  41         * config/riscv/riscv-vector-builtins.h (enum rvv_base_type): Adjust for
  42         indexed loads/stores support.
  43         (struct rvv_arg_type_info): Ditto.
  44         (function_expander::index_mode): New function.
  45         (function_base::apply_tail_policy_p): Ditto.
  46         (function_base::apply_mask_policy_p): Ditto.
  47         * config/riscv/vector-iterators.md (unspec): New unspec.
  48         * config/riscv/vector.md (unspec): Ditto.
  49         (@pred_indexed_<order>load<VNX1_QHSD:mode><VNX1_QHSDI:mode>): New
  50         pattern.
  51         (@pred_indexed_<order>store<VNX1_QHSD:mode><VNX1_QHSDI:mode>): Ditto.
  52         (@pred_indexed_<order>load<VNX2_QHSD:mode><VNX2_QHSDI:mode>): Ditto.
  53         (@pred_indexed_<order>store<VNX2_QHSD:mode><VNX2_QHSDI:mode>): Ditto.
  54         (@pred_indexed_<order>load<VNX4_QHSD:mode><VNX4_QHSDI:mode>): Ditto.
  55         (@pred_indexed_<order>store<VNX4_QHSD:mode><VNX4_QHSDI:mode>): Ditto.
  56         (@pred_indexed_<order>load<VNX8_QHSD:mode><VNX8_QHSDI:mode>): Ditto.
  57         (@pred_indexed_<order>store<VNX8_QHSD:mode><VNX8_QHSDI:mode>): Ditto.
  58         (@pred_indexed_<order>load<VNX16_QHS:mode><VNX16_QHSI:mode>): Ditto.
  59         (@pred_indexed_<order>store<VNX16_QHS:mode><VNX16_QHSI:mode>): Ditto.
  60         (@pred_indexed_<order>load<VNX32_QH:mode><VNX32_QHI:mode>): Ditto.
  61         (@pred_indexed_<order>store<VNX32_QH:mode><VNX32_QHI:mode>): Ditto.
  62         (@pred_indexed_<order>load<VNX64_Q:mode><VNX64_Q:mode>): Ditto.
  63         (@pred_indexed_<order>store<VNX64_Q:mode><VNX64_Q:mode>): Ditto.
  64
  65 2023-01-30  Flavio Cruz  <flaviocruz@gmail.com>
  66
  67         * config.gcc: Recognize x86_64-*-gnu* targets and include
  68         i386/gnu64.h.
  69         * config/i386/gnu64.h: Define configuration for new target
  70         including ld.so location.
  71
  72 2023-01-30  Philipp Tomsich  <philipp.tomsich@vrull.eu>
  73
  74         * config/aarch64/aarch64-cores.def (AARCH64_CORE): Update
  75         ampere1a to include SM4.
  76
  77 2023-01-30  Andrew Pinski  <apinski@marvell.com>
  78
  79         PR tree-optimization/108582
  80         * tree-ssa-phiopt.cc (match_simplify_replacement): Add check
  81         for middlebb to have no phi nodes.
  82
  83 2023-01-30  Richard Biener  <rguenther@suse.de>
  84
  85         PR tree-optimization/108574
  86         * tree-ssa-sccvn.cc (visit_phi): Instead of swapping
  87         sameval and def, ignore the equivalence if there's the
  88         danger of oscillating between two values.
  89
  90 2023-01-30  Andreas Schwab  <schwab@suse.de>
  91
  92         * common/config/riscv/riscv-common.cc
  93         (riscv_option_optimization_table)
  94         [TARGET_DEFAULT_ASYNC_UNWIND_TABLES]: Enable
  95         -fasynchronous-unwind-tables and -funwind-tables.
  96         * config.gcc (riscv*-*-linux*): Define
  97         TARGET_DEFAULT_ASYNC_UNWIND_TABLES.
  98
  99 2023-01-30  YunQiang Su  <yunqiang.su@cipunited.com>
 100
 101         * Makefile.in (CROSS_SYSTEM_HEADER_DIR): set according the
 102         value of includedir.
 103
 104 2023-01-30  Richard Biener  <rguenther@suse.de>
 105
 106         PR ipa/108511
 107         * cgraph.cc (possibly_call_in_translation_unit_p): Relax
 108         assert.
 109
 110 2023-01-30  liuhongt  <hongtao.liu@intel.com>
 111
 112         * config/i386/i386.opt: Change AVX512FP16 to AVX512-FP16.
 113         * doc/invoke.texi: Ditto.
 114
 115 2023-01-29  Jan Hubicka  <hubicka@ucw.cz>
 116
 117         * ipa-utils.cc: Include calls.h, cfgloop.h and cfganal.h
 118         (stmt_may_terminate_function_p): If assuming return or EH
 119         volatile asm is safe.
 120         (find_always_executed_bbs): Fix handling of terminating BBS and
 121         infinite loops; add debug output.
 122         * tree-ssa-alias.cc (stmt_kills_ref_p): Fix debug output
 123
 124 2023-01-28  Philipp Tomsich  <philipp.tomsich@vrull.eu>
 125
 126         * config/aarch64/aarch64.cc (aarch64_uxt_size): fix an
 127         off-by-one in checking the permissible shift-amount.
 128
 129 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
 130
 131         * doc/extend.texi (Named Address Spaces): Update link to the
 132         AVR-Libc manual.
 133
 134 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
 135
 136         * doc/standards.texi (Standards): Fix markup.
 137
 138 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
 139
 140         * doc/standards.texi (Standards): Update link to Objective-C book.
 141
 142 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
 143
 144         * doc/invoke.texi (Instrumentation Options): Update reference to
 145         AddressSanitizer.
 146
 147 2023-01-28  Gerald Pfeifer  <gerald@pfeifer.com>
 148
 149         * doc/standards.texi: Update Go1 link.
 150
 151 2023-01-28  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 152
 153         * config/riscv/predicates.md (pmode_reg_or_0_operand): New predicate.
 154         * config/riscv/riscv-vector-builtins-bases.cc (class loadstore):
 155         Support vlse/vsse.
 156         (BASE): Ditto.
 157         * config/riscv/riscv-vector-builtins-bases.h: Ditto.
 158         * config/riscv/riscv-vector-builtins-functions.def (vlse): New class.
 159         (vsse): New class.
 160         * config/riscv/riscv-vector-builtins.cc
 161         (function_expander::use_contiguous_load_insn): Support vlse/vsse.
 162         * config/riscv/vector.md (@pred_strided_load<mode>): New md pattern.
 163         (@pred_strided_store<mode>): Ditto.
 164
 165 2023-01-28  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 166
 167         * config/riscv/vector.md (tail_policy_op_idx): Remove.
 168         (mask_policy_op_idx): Remove.
 169         (avl_type_op_idx): Remove.
 170
 171 2023-01-27  Richard Sandiford  <richard.sandiford@arm.com>
 172
 173         PR tree-optimization/96373
 174         * tree.h (sign_mask_for): Declare.
 175         * tree.cc (sign_mask_for): New function.
 176         (signed_or_unsigned_type_for): For vector types, try to use the
 177         related_int_vector_mode.
 178         * genmatch.cc (commutative_op): Handle conditional internal functions.
 179         * match.pd: Fold an IFN_COND_MUL+copysign into an IFN_COND_XOR+and.
 180
 181 2023-01-27  Richard Sandiford  <richard.sandiford@arm.com>
 182
 183         * tree-vectorizer.cc (vector_costs::compare_inside_loop_cost):
 184         Use the likely minimum VF when bounding the denominators to
 185         the estimated number of iterations.
 186
 187 2023-01-27  Richard Biener  <rguenther@suse.de>
 188
 189         PR target/55522
 190         * doc/invoke.texi (-shared): Clarify effect on -ffast-math
 191         and -Ofast FP environment side-effects.
 192
 193 2023-01-27  Richard Biener  <rguenther@suse.de>
 194
 195         PR target/55522
 196         * config/mips/gnu-user.h (GNU_USER_TARGET_MATHFILE_SPEC):
 197         Don't add crtfastmath.o for -shared.
 198
 199 2023-01-27  Richard Biener  <rguenther@suse.de>
 200
 201         PR target/55522
 202         * config/ia64/linux.h (ENDFILE_SPEC): Don't add crtfastmath.o
 203         for -shared.
 204
 205 2023-01-27  Richard Biener  <rguenther@suse.de>
 206
 207         PR target/55522
 208         * config/alpha/linux.h (ENDFILE_SPEC): Don't add
 209         crtfastmath.o for -shared.
 210
 211 2023-01-27  Andrew MacLeod  <amacleod@redhat.com>
 212
 213         PR tree-optimization/108306
 214         * range-op.cc (operator_lshift::fold_range): Return [0, 0] not
 215         varying for shifts that are always out of void range.
 216         (operator_rshift::fold_range): Return [0, 0] not
 217         varying for shifts that are always out of void range.
 218
 219 2023-01-27  Andrew MacLeod  <amacleod@redhat.com>
 220
 221         PR tree-optimization/108447
 222         * gimple-range-fold.cc (old_using_range::relation_fold_and_or):
 223         Do not attempt to fold HONOR_NAN types.
 224
 225 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 226
 227         * config/riscv/riscv-vector-builtins-shapes.cc (struct loadstore_def):
 228         Remove _m suffix for "vop_m" C++ overloaded API name.
 229
 230 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 231
 232         * config/riscv/riscv-vector-builtins-bases.cc (BASE): Add vlm/vsm support.
 233         * config/riscv/riscv-vector-builtins-bases.h: Ditto.
 234         * config/riscv/riscv-vector-builtins-functions.def (vlm): New define.
 235         (vsm): Ditto.
 236         * config/riscv/riscv-vector-builtins-shapes.cc (struct loadstore_def): Add vlm/vsm support.
 237         * config/riscv/riscv-vector-builtins-types.def (DEF_RVV_B_OPS): Ditto.
 238         (vbool64_t): Ditto.
 239         (vbool32_t): Ditto.
 240         (vbool16_t): Ditto.
 241         (vbool8_t): Ditto.
 242         (vbool4_t): Ditto.
 243         (vbool2_t): Ditto.
 244         (vbool1_t): Ditto.
 245         * config/riscv/riscv-vector-builtins.cc (DEF_RVV_B_OPS): Ditto.
 246         (rvv_arg_type_info::get_tree_type): Ditto.
 247         (function_expander::use_contiguous_load_insn): Ditto.
 248         * config/riscv/vector.md (@pred_store<mode>): Ditto.
 249
 250 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 251
 252         * config/riscv/riscv-vsetvl.cc (vsetvl_insn_p): Add condition to avoid ICE.
 253         (vsetvl_discard_result_insn_p): New function.
 254         (reg_killed_by_bb_p): rename to find_reg_killed_by.
 255         (find_reg_killed_by): New name.
 256         (get_vl): allow it to be called by more functions.
 257         (has_vsetvl_killed_avl_p): Add condition.
 258         (get_avl): allow it to be called by more functions.
 259         (insn_should_be_added_p): New function.
 260         (get_all_nonphi_defs): Refine function.
 261         (get_all_sets): Ditto.
 262         (get_same_bb_set): New function.
 263         (any_insn_in_bb_p): Ditto.
 264         (any_set_in_bb_p): Ditto.
 265         (get_vl_vtype_info): Add VLMAX forward optimization.
 266         (source_equal_p): Fix issues.
 267         (extract_single_source): Refine.
 268         (avl_info::multiple_source_equal_p): New function.
 269         (avl_info::operator==): Adjust for final version.
 270         (vl_vtype_info::operator==): Ditto.
 271         (vl_vtype_info::same_avl_p): Ditto.
 272         (vector_insn_info::parse_insn): Ditto.
 273         (vector_insn_info::available_p): New function.
 274         (vector_insn_info::merge): Adjust for final version.
 275         (vector_insn_info::dump): Add hard_empty.
 276         (pass_vsetvl::hard_empty_block_p): New function.
 277         (pass_vsetvl::backward_demand_fusion): Adjust for final version.
 278         (pass_vsetvl::forward_demand_fusion): Ditto.
 279         (pass_vsetvl::demand_fusion): Ditto.
 280         (pass_vsetvl::cleanup_illegal_dirty_blocks): New function.
 281         (pass_vsetvl::compute_local_properties): Adjust for final version.
 282         (pass_vsetvl::can_refine_vsetvl_p): Ditto.
 283         (pass_vsetvl::refine_vsetvls): Ditto.
 284         (pass_vsetvl::commit_vsetvls): Ditto.
 285         (pass_vsetvl::propagate_avl): New function.
 286         (pass_vsetvl::lazy_vsetvl): Adjust for new version.
 287         * config/riscv/riscv-vsetvl.h (enum def_type): New enum.
 288
 289 2023-01-27  Jakub Jelinek  <jakub@redhat.com>
 290
 291         PR other/108560
 292         * doc/extend.texi: Fix up return type of __builtin_va_arg_pack_len
 293         from size_t to int.
 294
 295 2023-01-27  Jakub Jelinek  <jakub@redhat.com>
 296
 297         PR ipa/106061
 298         * cgraph.cc (cgraph_edge::verify_corresponds_to_fndecl): Allow
 299         redirection of calls to __builtin_trap in addition to redirection
 300         to __builtin_unreachable.
 301
 302 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 303
 304         * config/riscv/riscv-vsetvl.cc (before_p): Fix bug.
 305
 306 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 307
 308         * config/riscv/riscv-vsetvl.cc (gen_vsetvl_pat): Refine function args.
 309         (emit_vsetvl_insn): Ditto.
 310
 311 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 312
 313         * config/riscv/vector.md: Fix constraints.
 314
 315 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 316
 317         * config/riscv/vector-iterators.md: Add TARGET_MIN_VLEN > 32 predicates.
 318
 319 2023-01-27  Patrick Palka  <ppalka@redhat.com>
 320             Jakub Jelinek  <jakub@redhat.com>
 321
 322         * tree-core.h (tree_code_type, tree_code_length): For
 323         C++17 and later, add inline keyword, otherwise don't define
 324         the arrays, but declare extern arrays.
 325         * tree.cc (tree_code_type, tree_code_length): Define these
 326         arrays for C++14 and older.
 327
 328 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 329
 330         * config/riscv/riscv-vsetvl.h: Change it into public.
 331
 332 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 333
 334         * config/riscv/riscv-passes.def (INSERT_PASS_BEFORE): Reorder VSETVL
 335         pass.
 336
 337 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 338
 339         * config/riscv/riscv-vsetvl.cc (pass_vsetvl::execute): Always call split_all_insns.
 340
 341 2023-01-27  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 342
 343         * config/riscv/vector.md: Fix incorrect attributes.
 344
 345 2023-01-27  Richard Biener  <rguenther@suse.de>
 346
 347         PR target/55522
 348         * config/loongarch/gnu-user.h (GNU_USER_TARGET_MATHFILE_SPEC):
 349         Don't add crtfastmath.o for -shared.
 350
 351 2023-01-27  Alexandre Oliva  <oliva@gnu.org>
 352
 353         * doc/options.texi (option, RejectNegative): Mention that
 354         -g-started options are also implicitly negatable.
 355
 356 2023-01-26  Kito Cheng  <kito.cheng@sifive.com>
 357
 358         * config/riscv/riscv-vector-builtins.cc (register_builtin_types):
 359         Use get_typenode_from_name to get fixed-width integer type
 360         nodes.
 361         * config/riscv/riscv-vector-builtins.def: Update define with
 362         fixed-width integer type nodes.
 363
 364 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 365
 366         * config/riscv/riscv-vsetvl.cc (same_bb_and_before_p): Remove it.
 367         (real_insn_and_same_bb_p): New function.
 368         (same_bb_and_after_or_equal_p): Remove it.
 369         (before_p): New function.
 370         (reg_killed_by_bb_p): Ditto.
 371         (has_vsetvl_killed_avl_p): Ditto.
 372         (get_vl): Move location so that we can call it.
 373         (anticipatable_occurrence_p): Fix issue of AVL=REG support.
 374         (available_occurrence_p): Ditto.
 375         (dominate_probability_p): Remove it.
 376         (can_backward_propagate_p): Remove it.
 377         (get_all_nonphi_defs): New function.
 378         (get_all_predecessors): Ditto.
 379         (any_insn_in_bb_p): Ditto.
 380         (insert_vsetvl): Adjust AVL REG.
 381         (source_equal_p): New function.
 382         (extract_single_source): Ditto.
 383         (avl_info::single_source_equal_p): Ditto.
 384         (avl_info::operator==): Adjust for AVL=REG.
 385         (vl_vtype_info::same_avl_p): Ditto.
 386         (vector_insn_info::set_demand_info): Remove it.
 387         (vector_insn_info::compatible_p): Adjust for AVL=REG.
 388         (vector_insn_info::compatible_avl_p): New function.
 389         (vector_insn_info::merge): Adjust AVL=REG.
 390         (vector_insn_info::dump): Ditto.
 391         (pass_vsetvl::merge_successors): Remove it.
 392         (enum fusion_type): New enum.
 393         (pass_vsetvl::get_backward_fusion_type): New function.
 394         (pass_vsetvl::backward_demand_fusion): Adjust for AVL=REG.
 395         (pass_vsetvl::forward_demand_fusion): Ditto.
 396         (pass_vsetvl::demand_fusion): Ditto.
 397         (pass_vsetvl::prune_expressions): Ditto.
 398         (pass_vsetvl::compute_local_properties): Ditto.
 399         (pass_vsetvl::cleanup_vsetvls): Ditto.
 400         (pass_vsetvl::commit_vsetvls): Ditto.
 401         (pass_vsetvl::init): Ditto.
 402         * config/riscv/riscv-vsetvl.h (enum fusion_type): New enum.
 403         (enum merge_type): New enum.
 404
 405 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 406
 407         * config/riscv/riscv-vsetvl.cc
 408         (vector_infos_manager::vector_infos_manager): Add probability.
 409         (vector_infos_manager::dump): Ditto.
 410         (pass_vsetvl::compute_probabilities): Ditto.
 411         * config/riscv/riscv-vsetvl.h (struct vector_block_info): Ditto.
 412
 413 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 414
 415         * config/riscv/riscv-vsetvl.cc (vector_insn_info::operator==): Remove dirty_pat.
 416         (vector_insn_info::merge): Ditto.
 417         (vector_insn_info::dump): Ditto.
 418         (pass_vsetvl::merge_successors): Ditto.
 419         (pass_vsetvl::backward_demand_fusion): Ditto.
 420         (pass_vsetvl::forward_demand_fusion): Ditto.
 421         (pass_vsetvl::commit_vsetvls): Ditto.
 422         * config/riscv/riscv-vsetvl.h: Ditto.
 423
 424 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 425
 426         * config/riscv/riscv-vsetvl.cc (add_label_notes): Rename insn to
 427         rinsn.
 428
 429 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 430
 431         * config/riscv/riscv-vsetvl.cc (pass_vsetvl::backward_demand_fusion): Refine codes.
 432
 433 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 434
 435         * config/riscv/riscv-vsetvl.cc (pass_vsetvl::forward_demand_fusion):
 436         Add pre-check for redundant flow.
 437
 438 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 439
 440         * config/riscv/riscv-vsetvl.cc (vector_infos_manager::create_bitmap_vectors): New function.
 441         (vector_infos_manager::free_bitmap_vectors): Ditto.
 442         (pass_vsetvl::pre_vsetvl): Adjust codes.
 443         * config/riscv/riscv-vsetvl.h: New function declaration.
 444
 445 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 446
 447         * config/riscv/riscv-vsetvl.cc (can_backward_propagate_p): Fix for null iter_bb.
 448         (vector_insn_info::set_demand_info): New function.
 449         (pass_vsetvl::emit_local_forward_vsetvls): Adjust for refinement of Phase 3.
 450         (pass_vsetvl::merge_successors): Ditto.
 451         (pass_vsetvl::compute_global_backward_infos): Ditto.
 452         (pass_vsetvl::backward_demand_fusion): Ditto.
 453         (pass_vsetvl::forward_demand_fusion): Ditto.
 454         (pass_vsetvl::demand_fusion): New function.
 455         (pass_vsetvl::lazy_vsetvl): Adjust for refinement of phase 3.
 456         * config/riscv/riscv-vsetvl.h: New function declaration.
 457
 458 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 459
 460         * config/riscv/riscv-vsetvl.cc (vector_insn_info::operator>=): Fix available condition.
 461
 462 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 463
 464         * config/riscv/riscv-vsetvl.cc (change_vsetvl_insn): New function.
 465         (pass_vsetvl::compute_global_backward_infos): Simplify codes.
 466
 467 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 468
 469         * config/riscv/riscv-vsetvl.cc (loop_basic_block_p): Adjust function.
 470         (backward_propagate_worthwhile_p): Fix non-worthwhile.
 471
 472 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 473
 474         * config/riscv/riscv-vsetvl.cc (change_insn): Adjust in_group in validate_change.
 475
 476 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 477
 478         * config/riscv/riscv-vsetvl.cc (vector_infos_manager::all_same_avl_p): New function.
 479         (pass_vsetvl::can_refine_vsetvl_p): Add AVL check.
 480         (pass_vsetvl::commit_vsetvls): Ditto.
 481         * config/riscv/riscv-vsetvl.h: New function declaration.
 482
 483 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 484
 485         * config/riscv/vector.md:
 486
 487 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 488
 489         * config/riscv/riscv-vector-builtins-bases.cc (class loadstore): use
 490         pred_store for vse.
 491         * config/riscv/riscv-vector-builtins.cc
 492         (function_expander::add_mem_operand): Refine function.
 493         (function_expander::use_contiguous_load_insn): Adjust new
 494         implementation.
 495         (function_expander::use_contiguous_store_insn): Ditto.
 496         * config/riscv/riscv-vector-builtins.h: Refine function.
 497         * config/riscv/vector.md (@pred_store<mode>): New pattern.
 498
 499 2023-01-26  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
 500
 501         * config/riscv/riscv-vector-builtins.cc: Change to scalar pointer.
 502
 503 2023-01-26  Marek Polacek  <polacek@redhat.com>
 504
 505         PR middle-end/108543
 506         * opts.cc (parse_sanitizer_options): Don't always clear SANITIZE_ADDRESS
 507         if it was previously set.
 508
 509 2023-01-26  Jakub Jelinek  <jakub@redhat.com>
 510
 511         PR tree-optimization/108540
 512         * range-op-float.cc (foperator_equal::fold_range): If both op1 and op2
 513         are singletons, use range_true even if op1 != op2
 514         when one range is [-0.0, -0.0] and another [0.0, 0.0].  Similarly,
 515         even if intersection of the ranges is empty and one has
 516         zero low bound and another zero high bound, use range_true_and_false
 517         rather than range_false.
 518         (foperator_not_equal::fold_range): If both op1 and op2
 519         are singletons, use range_false even if op1 != op2
 520         when one range is [-0.0, -0.0] and another [0.0, 0.0].  Similarly,
 521         even if intersection of the ranges is empty and one has
 522         zero low bound and another zero high bound, use range_true_and_false
 523         rather than range_true.
 524
 525 2023-01-26  Jakub Jelinek  <jakub@redhat.com>
 526
 527         * value-relation.cc (kind_string): Add const.
 528         (rr_negate_table, rr_swap_table, rr_intersect_table,
 529         rr_union_table, rr_transitive_table): Add static const, change
 530         element type from relation_kind to unsigned char.
 531         (relation_negate, relation_swap, relation_intersect, relation_union,
 532         relation_transitive): Cast rr_*_table element to relation_kind.
 533         (relation_to_code): Add static const.
 534         (relation_tests): Assert VREL_LAST is smaller than UCHAR_MAX.
 535
 536 2023-01-26  Richard Biener  <rguenther@suse.de>
 537
 538         PR tree-optimization/108547
 539         * gimple-predicate-analysis.cc (value_sat_pred_p):
 540         Use widest_int.
 541
 542 2023-01-26  Siddhesh Poyarekar  <siddhesh@gotplt.org>
 543
 544         PR tree-optimization/108522
 545         * tree-object-size.cc (compute_object_offset): Make EXPR
 546         argument non-const.  Call component_ref_field_offset.
 547
 548 2023-01-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 549
 550         * config/aarch64/aarch64-option-extensions.def (cssc): Specify
 551         FEATURE_STRING field.
 552
 553 2023-01-26  Gerald Pfeifer  <gerald@pfeifer.com>
 554
 555         * doc/sourcebuild.texi: Refer to projects as GCC and GDB.
 556
 557 2023-01-25  Iain Sandoe  <iain@sandoe.co.uk>
 558
 559         PR modula2/102343
 560         PR modula2/108182
 561         * gcc.cc: Provide default specs for Modula-2 so that when the
 562         language is not built-in better diagnostics are emitted for
 563         attempts to use .mod or .m2i file extensions.
 564
 565 2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>
 566
 567         * config/arm/mve.md (mve_vqnegq_s<mode>): Fix spacing.
 568
 569 2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>
 570
 571         * config/arm/mve.md (mve_vqabsq_s<mode>): Fix spacing.
 572
 573 2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>
 574
 575         * config/arm/mve.md (mve_vnegq_f<mode>, mve_vnegq_s<mode>):
 576         Fix spacing.
 577
 578 2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>
 579
 580         * config/arm/mve.md (@mve_vclzq_s<mode>): Fix spacing.
 581
 582 2023-01-25  Andrea Corallo  <andrea.corallo@arm.com>
 583
 584         * config/arm/mve.md (mve_vclsq_s<mode>): Fix spacing.
 585
 586 2023-01-25  Richard Biener  <rguenther@suse.de>
 587
 588         PR tree-optimization/108523
 589         * tree-ssa-sccvn.cc (visit_phi): Avoid using the exclusive
 590         backedge value for the result when using predication to
 591         prove equivalence.
 592
 593 2023-01-25  Richard Biener  <rguenther@suse.de>
 594
 595         * doc/lto.texi (Command line options): Reword and update reference
 596         to removed lto_read_all_file_options.
 597
 598 2023-01-25  Richard Sandiford  <richard.sandiford@arm.com>
 599
 600         * config/aarch64/aarch64.md (umax<mode>3): Separate the CNT and CSSC
 601         tests.
 602
 603 2023-01-25  Gerald Pfeifer  <gerald@pfeifer.com>
 604
 605         * doc/contrib.texi: Add Jose E. Marchesi.
 606
 607 2023-01-25  Jakub Jelinek  <jakub@redhat.com>
 608
 609         PR tree-optimization/108498
 610         * gimple-ssa-store-merging.cc (class store_operand_info):
 611         End coment with full stop rather than comma.
 612         (split_group): Likewise.
 613         (merged_store_group::apply_stores): Clear string_concatenation if
 614         start or end aren't on a byte boundary.
 615
 616 2023-01-25  Siddhesh Poyarekar  <siddhesh@gotplt.org>
 617             Jakub Jelinek  <jakub@redhat.com>
 618
 619         PR tree-optimization/108522
 620         * tree-object-size.cc (compute_object_offset): Use
 621         TREE_OPERAND(ref, 2) for COMPONENT_REF when available.
 622
 623 2023-01-24  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
 624
 625         * config/xtensa/xtensa.md:
 626         Fix exit from loops detecting references before overwriting in the
 627         split pattern.
 628
 629 2023-01-24  Vladimir N. Makarov  <vmakarov@redhat.com>
 630
 631         * lra-constraints.cc (get_hard_regno): Remove final_p arg.  Always
 632         do elimination but only for hard register.
 633         (operands_match_p, uses_hard_regs_p, process_alt_operands): Adjust
 634         calls of get_hard_regno.
 635
 636 2023-01-24  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
 637
 638         * config/s390/s390-d.cc (s390_d_target_versions): Fix detection
 639         of CPU version.
 640
 641 2023-01-24  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 642
 643         PR target/108177
 644         * config/arm/mve.md (mve_vstrbq_p_<supf><mode>, mve_vstrhq_p_fv8hf,
 645         mve_vstrhq_p_<supf><mode>, mve_vstrwq_p_<supf>v4si): Add memory operand
 646         as input operand.
 647
 648 2023-01-24  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
 649
 650         * config.gcc(csky-*-linux*): Define CSKY_ENABLE_MULTILIB
 651         and only include 'csky/t-csky-linux' when enable multilib.
 652         * config/csky/csky-linux-elf.h(SYSROOT_SUFFIX_SPEC): Don't
 653         define it when disable multilib.
 654
 655 2023-01-24  Richard Biener  <rguenther@suse.de>
 656
 657         PR tree-optimization/108500
 658         * dominance.h (calculate_dominance_info): Add parameter
 659         to indicate fast-query compute, defaulted to true.
 660         * dominance.cc (calculate_dominance_info): Honor
 661         fast-query compute parameter.
 662         * tree-cfgcleanup.cc (cleanup_tree_cfg_noloop): Do
 663         not compute the dominator fast-query DFS numbers.
 664
 665 2023-01-24  Eric Biggers  <ebiggers@google.com>
 666
 667         PR bootstrap/90543
 668         * optc-save-gen.awk: Fix copy-and-paste error.
 669
 670 2023-01-24  Jakub Jelinek  <jakub@redhat.com>
 671
 672         PR c++/108474
 673         * cgraphbuild.cc: Include gimplify.h.
 674         (record_reference): Replace VAR_DECLs with DECL_HAS_VALUE_EXPR_P with
 675         their corresponding DECL_VALUE_EXPR expressions after unsharing.
 676
 677 2023-01-24  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 678
 679         PR target/108505
 680         * config.gcc (tm_file): Move the variable out of loop.
 681
 682 2023-01-24  Lulu Cheng  <chenglulu@loongson.cn>
 683             Yang Yujie  <yangyujie@loongson.cn>
 684
 685         PR target/107731
 686         * config/loongarch/loongarch.cc (loongarch_classify_address):
 687         Add precessint for CONST_INT.
 688         (loongarch_print_operand_reloc): Operand modifier 'c' is supported.
 689         (loongarch_print_operand): Increase the processing of '%c'.
 690         * doc/extend.texi: Adds documents for LoongArch operand modifiers.
 691         And port the public operand modifiers information to this document.
 692
 693 2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 694
 695         * doc/invoke.texi (-mbranch-protection): Update documentation.
 696
 697 2023-01-23  Richard Biener  <rguenther@suse.de>
 698
 699         PR target/55522
 700         * config/sparc/freebsd.h (ENDFILE_SPEC): Don't add crtfastmath.o
 701         for -shared.
 702         * config/sparc/linux.h (ENDFILE_SPEC): Likewise.
 703         * config/sparc/linux64.h (ENDFILE_SPEC): Likewise.
 704         * config/sparc/sp-elf.h (ENDFILE_SPEC): Likewise.
 705         * config/sparc/sp64-elf.h (ENDFILE_SPEC): Likewise.
 706
 707 2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 708
 709         * config/arm/aout.h (ra_auth_code): Add entry in enum.
 710         * config/arm/arm.cc (emit_multi_reg_push): Add RA_AUTH_CODE register
 711         to dwarf frame expression.
 712         (arm_emit_multi_reg_pop): Restore RA_AUTH_CODE register.
 713         (arm_expand_prologue): Update frame related information and reg notes
 714         for pac/pacbit insn.
 715         (arm_regno_class): Check for pac pseudo reigster.
 716         (arm_dbx_register_number): Assign ra_auth_code register number in dwarf.
 717         (arm_init_machine_status): Set pacspval_needed to zero.
 718         (arm_debugger_regno): Check for PAC register.
 719         (arm_unwind_emit_sequence): Print .save directive with ra_auth_code
 720         register.
 721         (arm_unwind_emit_set): Add entry for IP_REGNUM in switch case.
 722         (arm_unwind_emit): Update REG_CFA_REGISTER case._
 723         * config/arm/arm.h (FIRST_PSEUDO_REGISTER): Modify.
 724         (DWARF_PAC_REGNUM): Define.
 725         (IS_PAC_REGNUM): Likewise.
 726         (enum reg_class): Add PAC_REG entry.
 727         (machine_function): Add pacbti_needed state to structure.
 728         * config/arm/arm.md (RA_AUTH_CODE): Define.
 729
 730 2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 731
 732         * config.gcc ($tm_file): Update variable.
 733         * config/arm/arm-mlib.h: Create new header file.
 734         * config/arm/t-rmprofile (MULTI_ARCH_DIRS_RM): Rename mbranch-protection
 735         multilib arch directory.
 736         (MULTILIB_REUSE): Add multilib reuse rules.
 737         (MULTILIB_MATCHES): Add multilib match rules.
 738
 739 2023-01-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 740
 741         * config/arm/arm-cpus.in (cortex-m85): Define new CPU.
 742         * config/arm/arm-tables.opt: Regenerate.
 743         * config/arm/arm-tune.md: Likewise.
 744         * doc/invoke.texi (Arm Options): Document -mcpu=cortex-m85.
 745         * (-mfix-cmse-cve-2021-35465): Likewise.
 746
 747 2023-01-23  Richard Biener  <rguenther@suse.de>
 748
 749         PR tree-optimization/108482
 750         * tree-vect-generic.cc (expand_vector_operations): Fold remaining
 751         .LOOP_DIST_ALIAS calls.
 752
 753 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 754
 755         * config.gcc (arm*-*-*): Add 'aarch-bti-insert.o' object.
 756         * config/arm/arm-protos.h: Update.
 757         * config/arm/aarch-common-protos.h: Declare
 758         'aarch_bti_arch_check'.
 759         * config/arm/arm.cc (aarch_bti_enabled) Update.
 760         (aarch_bti_j_insn_p, aarch_pac_insn_p, aarch_gen_bti_c)
 761         (aarch_gen_bti_j, aarch_bti_arch_check): New functions.
 762         * config/arm/arm.md (bti_nop): New insn.
 763         * config/arm/t-arm (PASSES_EXTRA): Add 'arm-passes.def'.
 764         (aarch-bti-insert.o): New target.
 765         * config/arm/unspecs.md (VUNSPEC_BTI_NOP): New unspec.
 766         * config/arm/aarch-bti-insert.cc (rest_of_insert_bti): Verify arch
 767         compatibility.
 768         (gate): Make use of 'aarch_bti_arch_check'.
 769         * config/arm/arm-passes.def: New file.
 770         * config/aarch64/aarch64.cc (aarch_bti_arch_check): New function.
 771
 772 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 773
 774         * config.gcc (aarch64*-*-*): Rename 'aarch64-bti-insert.o' into
 775         'aarch-bti-insert.o'.
 776         * config/aarch64/aarch64-protos.h: Remove 'aarch64_bti_enabled'
 777         proto.
 778         * config/aarch64/aarch64.cc (aarch_bti_enabled): Rename.
 779         (aarch_bti_j_insn_p, aarch_pac_insn_p): New functions.
 780         (aarch64_output_mi_thunk)
 781         (aarch64_print_patchable_function_entry)
 782         (aarch64_file_end_indicate_exec_stack): Update renamed function
 783         calls to renamed functions.
 784         * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Likewise.
 785         * config/aarch64/t-aarch64 (aarch-bti-insert.o): Update
 786         target.
 787         * config/aarch64/aarch64-bti-insert.cc: Delete.
 788         * config/arm/aarch-bti-insert.cc: New file including and
 789         generalizing code from aarch64-bti-insert.cc.
 790         * config/arm/aarch-common-protos.h: Update.
 791
 792 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 793
 794         * config/arm/arm.h (arm_arch8m_main): Declare it.
 795         * config/arm/arm-protos.h (arm_current_function_pac_enabled_p):
 796         Declare it.
 797         * config/arm/arm.cc (arm_arch8m_main): Define it.
 798         (arm_option_reconfigure_globals): Set arm_arch8m_main.
 799         (arm_compute_frame_layout, arm_expand_prologue)
 800         (thumb2_expand_return, arm_expand_epilogue)
 801         (arm_conditional_register_usage): Update for pac codegen.
 802         (arm_current_function_pac_enabled_p): New function.
 803         (aarch_bti_enabled) New function.
 804         (use_return_insn): Return zero when pac is enabled.
 805         * config/arm/arm.md (pac_ip_lr_sp, pacbti_ip_lr_sp, aut_ip_lr_sp):
 806         Add new patterns.
 807         * config/arm/unspecs.md (UNSPEC_PAC_NOP)
 808         (VUNSPEC_PACBTI_NOP, VUNSPEC_AUT_NOP): Add unspecs.
 809
 810 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 811
 812         * config/arm/t-rmprofile: Add multilib rules for march +pacbti and
 813         mbranch-protection.
 814
 815 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 816             Tejas Belagod   <tbelagod@arm.com>
 817
 818         * config/arm/arm.cc (arm_file_start): Emit EABI attributes for
 819         Tag_PAC_extension, Tag_BTI_extension, TAG_BTI_use, TAG_PACRET_use.
 820
 821 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 822             Tejas Belagod   <tbelagod@arm.com>
 823             Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 824
 825         * ginclude/unwind-arm-common.h (_Unwind_VRS_RegClass): Introduce
 826         new pseudo register class _UVRSC_PAC.
 827
 828 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 829             Tejas Belagod   <tbelagod@arm.com>
 830
 831         * config/arm/arm-c.cc (arm_cpu_builtins): Define
 832         __ARM_FEATURE_BTI_DEFAULT, __ARM_FEATURE_PAC_DEFAULT,
 833         __ARM_FEATURE_PAUTH and __ARM_FEATURE_BTI.
 834
 835 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 836             Tejas Belagod   <tbelagod@arm.com>
 837
 838         * doc/sourcebuild.texi: Document arm_pacbti_hw.
 839
 840 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 841             Tejas Belagod   <tbelagod@arm.com>
 842             Richard Earnshaw  <Richard.Earnshaw@arm.com>
 843
 844         * config/arm/arm.cc (arm_configure_build_target): Parse and validate
 845         -mbranch-protection option and initialize appropriate data structures.
 846         * config/arm/arm.opt (-mbranch-protection): New option.
 847         * doc/invoke.texi (Arm Options): Document it.
 848
 849 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 850             Tejas Belagod   <tbelagod@arm.com>
 851
 852         * config/arm/arm.h (TARGET_HAVE_PACBTI): New macro.
 853         * config/arm/arm-cpus.in (pacbti): New feature.
 854         * doc/invoke.texi (Arm Options): Document it.
 855
 856 2023-01-23  Andrea Corallo  <andrea.corallo@arm.com>
 857             Tejas Belagod   <tbelagod@arm.com>
 858
 859         * common/config/aarch64/aarch64-common.cc: Include aarch-common.h.
 860         (all_architectures): Fix comment.
 861         (aarch64_parse_extension): Rename return type, enum value names.
 862         * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Rename
 863         factored out aarch_ra_sign_scope and aarch_ra_sign_key variables.
 864         Also rename corresponding enum values.
 865         * config/aarch64/aarch64-opts.h (aarch64_function_type): Factor
 866         out aarch64_function_type and move it to common code as
 867         aarch_function_type in aarch-common.h.
 868         * config/aarch64/aarch64-protos.h: Include common types header,
 869         move out types aarch64_parse_opt_result and aarch64_key_type to
 870         aarch-common.h
 871         * config/aarch64/aarch64.cc: Move mbranch-protection parsing types
 872         and functions out into aarch-common.h and aarch-common.cc.  Fix up
 873         all the name changes resulting from the move.
 874         * config/aarch64/aarch64.md: Fix up aarch64_ra_sign_key type name change
 875         and enum value.
 876         * config/aarch64/aarch64.opt: Include aarch-common.h to import
 877         type move.  Fix up name changes from factoring out common code and
 878         data.
 879         * config/arm/aarch-common-protos.h: Export factored out routines to both
 880         backends.
 881         * config/arm/aarch-common.cc: Include newly factored out types.
 882         Move all mbranch-protection code and data structures from
 883         aarch64.cc.
 884         * config/arm/aarch-common.h: New header that declares types shared
 885         between aarch32 and aarch64 backends.
 886         * config/arm/arm-protos.h: Declare types and variables that are
 887         made common to aarch64 and aarch32 backends - aarch_ra_sign_key,
 888         aarch_ra_sign_scope and aarch_enable_bti.
 889         * config/arm/arm.opt (config/arm/aarch-common.h): Include header.
 890         (aarch_ra_sign_scope, aarch_enable_bti): Declare variable.
 891         * config/arm/arm.cc: Add missing includes.
 892
 893 2023-01-23  Tobias Burnus  <tobias@codesourcery.com>
 894
 895         * doc/install.texi (amdgcn, nvptx): Require newlib 4.3.0.
 896
 897 2023-01-23  Richard Biener  <rguenther@suse.de>
 898
 899         PR tree-optimization/108449
 900         * cgraphunit.cc (check_global_declaration): Do not turn
 901         undefined statics into externs.
 902
 903 2023-01-22  Dimitar Dimitrov  <dimitar@dinux.eu>
 904
 905         * config/pru/pru.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix value for QI
 906         and HI input modes.
 907         * config/pru/pru.md (clz): Fix generated code for QI and HI
 908         input modes.
 909
 910 2023-01-22  Cupertino Miranda  <cupertino.miranda@oracle.com>
 911
 912         * config/v850/v850.cc (v850_select_section): Put const volatile
 913         objects into read-only sections.
 914
 915 2023-01-20  Tejas Belagod  <tejas.belagod@arm.com>
 916
 917         * config/aarch64/arm_neon.h (vmull_p64, vmull_high_p64, vaeseq_u8,
 918         vaesdq_u8, vaesmcq_u8, vaesimcq_u8): Gate under "nothing+aes".
 919         (vsha1*_u32, vsha256*_u32): Gate under "nothing+sha2".
 920
 921 2023-01-20  Jakub Jelinek  <jakub@redhat.com>
 922
 923         PR tree-optimization/108457
 924         * tree-ssa-loop-niter.cc (build_cltz_expr): Use
 925         SCALAR_INT_TYPE_MODE (utype) directly as C[LT]Z_DEFINED_VALUE_AT_ZERO
 926         argument instead of a temporary.  Formatting fixes.
 927
 928 2023-01-19  Jakub Jelinek  <jakub@redhat.com>
 929
 930         PR tree-optimization/108447
 931         * value-relation.cc (rr_union_table): Fix VREL_UNDEFINED row order.
 932         (relation_tests): Add self-tests for relation_{intersect,union}
 933         commutativity.
 934         * selftest.h (relation_tests): Declare.
 935         * function-tests.cc (test_ranges): Call it.
 936
 937 2023-01-19  H.J. Lu  <hjl.tools@gmail.com>
 938
 939         PR target/108436
 940         * config/i386/i386-expand.cc (ix86_expand_builtin): Check
 941         invalid third argument to __builtin_ia32_prefetch.
 942
 943 2023-01-19  Jakub Jelinek  <jakub@redhat.com>
 944
 945         PR middle-end/108459
 946         * omp-expand.cc (expand_omp_for_init_counts): Use fold_build1 rather
 947         than fold_unary for NEGATE_EXPR.
 948
 949 2023-01-19  Christophe Lyon  <christophe.lyon@arm.com>
 950
 951         PR target/108411
 952         * config/aarch64/aarch64.cc (aarch64_layout_arg): Improve
 953         comment. Move assert about alignment a bit later.
 954
 955 2023-01-19  Jakub Jelinek  <jakub@redhat.com>
 956
 957         PR tree-optimization/108440
 958         * tree-ssa-forwprop.cc: Include gimple-range.h.
 959         (simplify_rotate): For the forms with T2 wider than T and shift counts of
 960         Y and B - Y add & (B - 1) masking for the rotate count if Y could be equal
 961         to B.  For the forms with T2 wider than T and shift counts of
 962         Y and (-Y) & (B - 1), don't punt if range could be [B, B2], but only if
 963         range doesn't guarantee Y < B or Y = N * B.  If range doesn't guarantee
 964         Y < B, also add & (B - 1) masking for the rotate count.  Use lazily created
 965         pass specific ranger instead of get_global_range_query.
 966         (pass_forwprop::execute): Disable that ranger at the end of pass if it has
 967         been created.
 968
 969 2023-01-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 970
 971         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Use
 972         exact_log2 (INTVAL (operands[2])) >= 0 as condition for gating
 973         the pattern.
 974         (aarch64_simd_vec_copy_lane<mode>): Likewise.
 975         (aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Likewise.
 976
 977 2023-01-19  Alexandre Oliva  <oliva@adacore.com>
 978
 979         PR debug/106746
 980         * sched-deps.cc (sched_analyze_2): Skip cselib address lookup
 981         within debug insns.
 982
 983 2023-01-18  Martin Jambor  <mjambor@suse.cz>
 984
 985         PR ipa/107944
 986         * cgraph.cc (cgraph_node::remove): Check whether nodes up the
 987         lcone_of chain also do not need the body.
 988
 989 2023-01-18  Richard Biener  <rguenther@suse.de>
 990
 991         Revert:
 992         2022-12-16  Richard Biener  <rguenther@suse.de>
 993
 994         PR middle-end/108086
 995         * tree-inline.cc (remap_ssa_name): Do not unshare the
 996         result from the decl_map.
 997
 998 2023-01-18  Murray Steele  <murray.steele@arm.com>
 999
1000         PR target/108442
1001         * config/arm/arm_mve.h (__arm_vst1q_p_u8): Use prefixed intrinsic
1002         function.
1003         (__arm_vst1q_p_s8): Likewise.
1004         (__arm_vld1q_z_u8): Likewise.
1005         (__arm_vld1q_z_s8): Likewise.
1006         (__arm_vst1q_p_u16): Likewise.
1007         (__arm_vst1q_p_s16): Likewise.
1008         (__arm_vld1q_z_u16): Likewise.
1009         (__arm_vld1q_z_s16): Likewise.
1010         (__arm_vst1q_p_u32): Likewise.
1011         (__arm_vst1q_p_s32): Likewise.
1012         (__arm_vld1q_z_u32): Likewise.
1013         (__arm_vld1q_z_s32): Likewise.
1014         (__arm_vld1q_z_f16): Likewise.
1015         (__arm_vst1q_p_f16): Likewise.
1016         (__arm_vld1q_z_f32): Likewise.
1017         (__arm_vst1q_p_f32): Likewise.
1018
1019 2023-01-18  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1020
1021         * config/xtensa/xtensa.md (xorsi3_internal):
1022         Rename from the original of "xorsi3".
1023         (xorsi3): New expansion pattern that emits addition rather than
1024         bitwise-XOR when the second source is a constant of -2147483648
1025         if TARGET_DENSITY.
1026
1027 2023-01-18  Kewen Lin  <linkw@linux.ibm.com>
1028             Andrew Pinski  <apinski@marvell.com>
1029
1030         PR target/108396
1031         * config/rs6000/rs6000-overload.def (VEC_VSUBCUQ): Fix typo
1032         vec_vsubcuqP with vec_vsubcuq.
1033
1034 2023-01-18  Kewen Lin  <linkw@linux.ibm.com>
1035
1036         PR target/108348
1037         * config/rs6000/rs6000.cc (rs6000_opaque_type_invalid_use_p): Add the
1038         support for invalid uses of MMA opaque type in function arguments.
1039
1040 2023-01-18  liuhongt  <hongtao.liu@intel.com>
1041
1042         PR target/55522
1043         * config/i386/cygwin.h (ENDFILE_SPEC): Link crtfastmath.o
1044         whenever -mdaz-ftz is specified. Don't link crtfastmath.o when
1045         -share or -mno-daz-ftz is specified.
1046         * config/i386/darwin.h (ENDFILE_SPEC): Ditto.
1047         * config/i386/mingw32.h (ENDFILE_SPEC): Ditto.
1048
1049 2023-01-17  Jose E. Marchesi  <jose.marchesi@oracle.com>
1050
1051         * config/bpf/bpf.cc (bpf_option_override): Disable
1052         -fstack-protector.
1053
1054 2023-01-17  Jakub Jelinek  <jakub@redhat.com>
1055
1056         PR tree-optimization/106523
1057         * tree-ssa-forwprop.cc (simplify_rotate): For the
1058         patterns with (-Y) & (B - 1) in one operand's shift
1059         count and Y in another, if T2 has wider precision than T,
1060         punt if Y could have a value in [B, B2 - 1] range.
1061
1062 2023-01-16  H.J. Lu  <hjl.tools@gmail.com>
1063
1064         PR target/105980
1065         * config/i386/i386.cc (x86_output_mi_thunk): Disable
1066         -mforce-indirect-call for PIC in 32-bit mode.
1067
1068 2023-01-16  Jan Hubicka  <hubicka@ucw.cz>
1069
1070         PR ipa/106077
1071         * ipa-modref.cc (modref_access_analysis::analyze): Use
1072         find_always_executed_bbs.
1073         * ipa-sra.cc (process_scan_results): Likewise.
1074         * ipa-utils.cc (stmt_may_terminate_function_p): New function.
1075         (find_always_executed_bbs): New function.
1076         * ipa-utils.h (stmt_may_terminate_function_p): Declare.
1077         (find_always_executed_bbs): Declare.
1078
1079 2023-01-16  Jan Hubicka  <jh@suse.cz>
1080
1081         * config/i386/i386.cc (ix86_vectorize_builtin_scatter): Guard scatter
1082         by TARGET_USE_SCATTER.
1083         * config/i386/i386.h (TARGET_USE_SCATTER_2PARTS,
1084         TARGET_USE_SCATTER_4PARTS, TARGET_USE_SCATTER): New macros.
1085         * config/i386/x86-tune.def (TARGET_USE_SCATTER_2PARTS,
1086         TARGET_USE_SCATTER_4PARTS, TARGET_USE_SCATTER): New tunes.
1087         (X86_TUNE_AVOID_256FMA_CHAINS, X86_TUNE_AVOID_512FMA_CHAINS): Disable
1088         for znver4.  (X86_TUNE_USE_GATHER): Disable for zen4.
1089
1090 2023-01-16  Richard Biener  <rguenther@suse.de>
1091
1092         PR target/55522
1093         * config/sol2.h (ENDFILE_SPEC): Don't add crtfastmath.o for -shared.
1094
1095 2023-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>
1096
1097         PR target/96795
1098         PR target/107515
1099         * config/arm/arm_mve.h (__ARM_mve_coerce2): Split types.
1100         (__ARM_mve_coerce3): Likewise.
1101
1102 2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>
1103
1104         * tree-ssa-loop-niter.cc (build_popcount_expr): Add IFN support.
1105
1106 2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>
1107
1108         * tree-ssa-loop-niter.cc (number_of_iterations_cltz): New.
1109         (number_of_iterations_bitcount): Add call to the above.
1110         (number_of_iterations_exit_assumptions): Add EQ_EXPR case for
1111         c[lt]z idiom recognition.
1112
1113 2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>
1114
1115         * doc/sourcebuild.texi: Add missing target attributes.
1116
1117 2023-01-16  Andrew Carlotti  <andrew.carlotti@arm.com>
1118
1119         PR tree-optimization/94793
1120         * tree-scalar-evolution.cc (expression_expensive_p): Add checks
1121         for c[lt]z optabs.
1122         * tree-ssa-loop-niter.cc (build_cltz_expr): New.
1123         (number_of_iterations_cltz_complement): New.
1124         (number_of_iterations_bitcount): Add call to the above.
1125
1126 2023-01-16  Jonathan Wakely  <jwakely@redhat.com>
1127
1128         * doc/extend.texi (Common Function Attributes): Fix grammar.
1129
1130 2023-01-16  Jakub Jelinek  <jakub@redhat.com>
1131
1132         PR other/108413
1133         * config/riscv/riscv-vsetvl.h: Add space in between Copyright and (C).
1134         * config/riscv/riscv-vsetvl.cc: Likewise.
1135
1136 2023-01-16  Jakub Jelinek  <jakub@redhat.com>
1137
1138         PR c++/105593
1139         * config/i386/xmmintrin.h (_mm_undefined_ps): Temporarily
1140         disable -Winit-self using pragma GCC diagnostic ignored.
1141         * config/i386/emmintrin.h (_mm_undefined_pd, _mm_undefined_si128):
1142         Likewise.
1143         * config/i386/avxintrin.h (_mm256_undefined_pd, _mm256_undefined_ps,
1144         _mm256_undefined_si256): Likewise.
1145         * config/i386/avx512fintrin.h (_mm512_undefined_pd,
1146         _mm512_undefined_ps, _mm512_undefined_epi32): Likewise.
1147         * config/i386/avx512fp16intrin.h (_mm_undefined_ph,
1148         _mm256_undefined_ph, _mm512_undefined_ph): Likewise.
1149
1150 2023-01-16  Kewen Lin  <linkw@linux.ibm.com>
1151
1152         PR target/108272
1153         * config/rs6000/rs6000.cc (rs6000_opaque_type_invalid_use_p): Add the
1154         support for invalid uses in inline asm, factor out the checking and
1155         erroring to lambda function check_and_error_invalid_use.
1156
1157 2023-01-15  Aldy Hernandez  <aldyh@redhat.com>
1158
1159         PR tree-optimization/107608
1160         * range-op-float.cc (range_operator_float::fold_range): Avoid
1161         folding into INF when flag_trapping_math.
1162         * value-range.h (frange::known_isinf): Return false for possible NANs.
1163
1164 2023-01-15  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1165
1166         * config.gcc (csky-*-*): Support --with-float=softfp.
1167
1168 2023-01-14  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1169
1170         * config/xtensa/xtensa-protos.h (order_regs_for_local_alloc):
1171         Rename to xtensa_adjust_reg_alloc_order.
1172         * config/xtensa/xtensa.cc (xtensa_adjust_reg_alloc_order):
1173         Ditto.  And also remove code to reorder register numbers for
1174         leaf functions, rename the tables, and adjust the allocation
1175         order for the call0 ABI to use register A0 more.
1176         (xtensa_leaf_regs): Remove.
1177         * config/xtensa/xtensa.h (REG_ALLOC_ORDER): Cosmetics.
1178         (order_regs_for_local_alloc): Rename as the above.
1179         (LEAF_REGISTERS, LEAF_REG_REMAP, leaf_function): Remove.
1180
1181 2023-01-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1182
1183         * config/aarch64/aarch64-sve.md (aarch64_vec_duplicate_vq<mode>_le):
1184         Change to define_insn_and_split to fold ldr+dup to ld1rq.
1185         * config/aarch64/predicates.md (aarch64_sve_dup_ld1rq_operand): New.
1186
1187 2023-01-14  Alexandre Oliva  <oliva@adacore.com>
1188
1189         * hash-table.h (is_deleted): Precheck !is_empty.
1190         (mark_deleted): Postcheck !is_empty.
1191         (copy constructor): Test is_empty before is_deleted.
1192
1193 2023-01-14  Alexandre Oliva  <oliva@adacore.com>
1194
1195         PR target/40457
1196         * config/arm/arm.md (movmisaligndi): Prefer aligned SImode
1197         moves.
1198
1199 2023-01-13  Eric Botcazou  <ebotcazou@adacore.com>
1200
1201         PR rtl-optimization/108274
1202         * function.cc (thread_prologue_and_epilogue_insns): Also update the
1203         DF information for calls in a few more cases.
1204
1205 2023-01-13  John David Anglin  <danglin@gcc.gnu.org>
1206
1207         * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): Delete define.
1208         * config/pa/pa.cc (pa_init_libfuncs): Use MAX_SYNC_LIBFUNC_SIZE
1209         define.
1210         * config/pa/pa.h (TARGET_SYNC_LIBCALLS): Use flag_sync_libcalls.
1211         (MAX_SYNC_LIBFUNC_SIZE): Define.
1212         (TARGET_CPU_CPP_BUILTINS): Define __SOFTFP__ when soft float is
1213         enabled.
1214         * config/pa/pa.md (atomic_storeqi): Emit __atomic_exchange_1
1215         libcall when sync libcalls are disabled.
1216         (atomic_storehi, atomic_storesi, atomic_storedi): Likewise.
1217         (atomic_loaddi): Emit __atomic_load_8 libcall when sync libcalls
1218         are disabled on 32-bit target.
1219         * config/pa/pa.opt (matomic-libcalls): New option.
1220         * doc/invoke.texi (HPPA Options): Update.
1221
1222 2023-01-13  Alexander Monakov  <amonakov@ispras.ru>
1223
1224         PR rtl-optimization/108117
1225         PR rtl-optimization/108132
1226         * sched-deps.cc (deps_analyze_insn): Do not schedule across
1227         calls before reload.
1228
1229 2023-01-13  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
1230
1231         * common/config/arm/arm-common.cc (arm_canon_arch_option_1): Ignore cde
1232         options for -mlibarch.
1233         * config/arm/arm-cpus.in (begin cpu cortex-m55): Add cde options.
1234         * doc/invoke.texi (CDE): Document options for Cortex-M55 CPU.
1235
1236 2023-01-13  Qing Zhao  <qing.zhao@oracle.com>
1237
1238         * attribs.cc (strict_flex_array_level_of): Move this function to ...
1239         * attribs.h (strict_flex_array_level_of): Remove the declaration.
1240         * gimple-array-bounds.cc (array_bounds_checker::check_array_ref):
1241         replace the referece to strict_flex_array_level_of with
1242         DECL_NOT_FLEXARRAY.
1243         * tree.cc (component_ref_size): Likewise.
1244
1245 2023-01-13  Richard Biener  <rguenther@suse.de>
1246
1247         PR target/55522
1248         * config/arm/linux-eabi.h (ENDFILE_SPEC): Don't add
1249         crtfastmath.o for -shared.
1250         * config/arm/unknown-elf.h (STARTFILE_SPEC): Likewise.
1251
1252 2023-01-13  Richard Biener  <rguenther@suse.de>
1253
1254         PR target/55522
1255         * config/aarch64/aarch64-elf-raw.h (ENDFILE_SPEC): Don't add
1256         crtfastmath.o for -shared.
1257         * config/aarch64/aarch64-freebsd.h (GNU_USER_TARGET_MATHFILE_SPEC):
1258         Likewise.
1259         * config/aarch64/aarch64-linux.h (GNU_USER_TARGET_MATHFILE_SPEC):
1260         Likewise.
1261
1262 2023-01-13  Richard Sandiford  <richard.sandiford@arm.com>
1263
1264         * config/aarch64/aarch64.cc (aarch64_dwarf_frame_reg_mode): New
1265         function.
1266         (TARGET_DWARF_FRAME_REG_MODE): Define.
1267
1268 2023-01-13  Richard Biener  <rguenther@suse.de>
1269
1270         PR target/107209
1271         * config/aarch64/aarch64.cc (aarch64_gimple_fold_builtin): Don't
1272         update EH info on the fly.
1273
1274 2023-01-13  Richard Biener  <rguenther@suse.de>
1275
1276         PR tree-optimization/108387
1277         * tree-ssa-sccvn.cc (visit_nary_op): Check for SSA_NAME
1278         value before inserting expression into the tables.
1279
1280 2023-01-12  Andrew Pinski  <apinski@marvell.com>
1281             Roger Sayle  <roger@nextmovesoftware.com>
1282
1283         PR tree-optimization/92342
1284         * match.pd ((m1 CMP m2) * d -> (m1 CMP m2) ? d : 0):
1285         Use tcc_comparison and :c for the multiply.
1286         (b & -(a CMP c) -> (a CMP c)?b:0): New pattern.
1287
1288 2023-01-12  Christophe Lyon  <christophe.lyon@arm.com>
1289             Richard Sandiford  <richard.sandiford@arm.com>
1290
1291         PR target/105549
1292         * config/aarch64/aarch64.cc (aarch64_function_arg_alignment):
1293         Check DECL_PACKED for bitfield.
1294         (aarch64_layout_arg): Warn when parameter passing ABI changes.
1295         (aarch64_function_arg_boundary): Do not warn here.
1296         (aarch64_gimplify_va_arg_expr): Warn when parameter passing ABI
1297         changes.
1298
1299 2023-01-12  Christophe Lyon  <christophe.lyon@arm.com>
1300             Richard Sandiford  <richard.sandiford@arm.com>
1301
1302         * config/aarch64/aarch64.cc (aarch64_function_arg_alignment): Fix
1303         comment.
1304         (aarch64_layout_arg): Factorize warning conditions.
1305         (aarch64_function_arg_boundary): Fix typo.
1306         * function.cc (currently_expanding_function_start): New variable.
1307         (expand_function_start): Handle
1308         currently_expanding_function_start.
1309         * function.h (currently_expanding_function_start): Declare.
1310
1311 2023-01-12  Richard Biener  <rguenther@suse.de>
1312
1313         PR tree-optimization/99412
1314         * tree-ssa-reassoc.cc (is_phi_for_stmt): Remove.
1315         (swap_ops_for_binary_stmt): Remove reduction handling.
1316         (rewrite_expr_tree_parallel): Adjust.
1317         (reassociate_bb): Likewise.
1318         * tree-parloops.cc (build_new_reduction): Handle MINUS_EXPR.
1319
1320 2023-01-12  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1321
1322         * config/xtensa/xtensa.md (ctzsi2, ffssi2):
1323         Rearrange the emitting codes.
1324
1325 2023-01-12  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1326
1327         * config/xtensa/xtensa.md (*btrue):
1328         Correct value of the attribute "length" that depends on
1329         TARGET_DENSITY and operands, and add '?' character to the register
1330         constraint of the compared operand.
1331
1332 2023-01-12  Alexandre Oliva  <oliva@adacore.com>
1333
1334         * hash-table.h (expand): Check elements and deleted counts.
1335         (verify): Likewise.
1336
1337 2023-01-11  Roger Sayle  <roger@nextmovesoftware.com>
1338
1339         PR tree-optimization/71343
1340         * tree-ssa-sccvn.cc (visit_nary_op) <case LSHIFT_EXPR>: Make
1341         the value number of the expression X << C the same as the value
1342         number for the multiplication X * (1<<C).
1343
1344 2023-01-11  David Faust  <david.faust@oracle.com>
1345
1346         PR target/108293
1347         * config/bpf/bpf.cc (bpf_print_operand): Correct handling for
1348         floating point modes.
1349
1350 2023-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         PR tree-optimization/108199
1353         * tree-sra.cc (sra_modify_expr): Deal with reverse storage order
1354         for bit-field references.
1355
1356 2023-01-11  Kewen Lin  <linkw@linux.ibm.com>
1357
1358         * config/rs6000/rs6000.cc (rs6000_option_override_internal): Make
1359         OPTION_MASK_P10_FUSION implicit setting honour Power10 tuning setting.
1360         * config/rs6000/rs6000-cpus.def (ISA_3_1_MASKS_SERVER): Remove
1361         OPTION_MASK_P10_FUSION.
1362
1363 2023-01-11  Richard Biener  <rguenther@suse.de>
1364
1365         PR tree-optimization/107767
1366         * tree-cfgcleanup.cc (phi_alternatives_equal): Export.
1367         * tree-cfgcleanup.h (phi_alternatives_equal): Declare.
1368         * tree-switch-conversion.cc (switch_conversion::collect):
1369         Count unique non-default targets accounting for later
1370         merging opportunities.
1371
1372 2023-01-11  Martin Liska  <mliska@suse.cz>
1373
1374         PR middle-end/107976
1375         * params.opt: Limit JT params.
1376         * stmt.cc (emit_case_dispatch_table): Use auto_vec.
1377
1378 2023-01-11  Richard Biener  <rguenther@suse.de>
1379
1380         PR tree-optimization/108352
1381         * tree-ssa-threadbackward.cc
1382         (back_threader_profitability::profitable_path_p): Adjust
1383         heuristic that allows non-multi-way branch threads creating
1384         irreducible loops.
1385         * doc/invoke.texi (--param fsm-scale-path-blocks): Remove.
1386         (--param fsm-scale-path-stmts): Adjust.
1387         * params.opt (--param=fsm-scale-path-blocks=): Remove.
1388         (-param=fsm-scale-path-stmts=): Adjust description.
1389
1390 2023-01-11  Richard Biener  <rguenther@suse.de>
1391
1392         PR tree-optimization/108353
1393         * tree-ssa-propagate.cc (cfg_blocks_back, ssa_edge_worklist_back):
1394         Remove.
1395         (add_ssa_edge): Simplify.
1396         (add_control_edge): Likewise.
1397         (ssa_prop_init): Likewise.
1398         (ssa_prop_fini): Likewise.
1399         (ssa_propagation_engine::ssa_propagate): Likewise.
1400
1401 2023-01-11  Andreas Krebbel  <krebbel@linux.ibm.com>
1402
1403         * config/s390/s390.md (*not<mode>): New pattern.
1404
1405 2023-01-11  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1406
1407         * config/xtensa/xtensa.cc (xtensa_insn_cost):
1408         Let insn cost for size be obtained by applying COSTS_N_INSNS()
1409         to instruction length and then dividing by 3.
1410
1411 2023-01-10  Richard Biener  <rguenther@suse.de>
1412
1413         PR tree-optimization/106293
1414         * tree-ssa-dse.cc (dse_classify_store): Use a worklist to
1415         process degenerate PHI defs.
1416
1417 2023-01-10  Roger Sayle  <roger@nextmovesoftware.com>
1418
1419         PR rtl-optimization/106421
1420         * cprop.cc (bypass_block): Check that DEST is local to this
1421         function (non-NULL) before calling find_edge.
1422
1423 2023-01-10  Martin Jambor  <mjambor@suse.cz>
1424
1425         PR ipa/108110
1426         * ipa-param-manipulation.h (ipa_param_body_adjustments): New members
1427         sort_replacements, lookup_first_base_replacement and
1428         m_sorted_replacements_p.
1429         * ipa-param-manipulation.cc: Define INCLUDE_ALGORITHM.
1430         (ipa_param_body_adjustments::register_replacement): Set
1431         m_sorted_replacements_p to false.
1432         (compare_param_body_replacement): New function.
1433         (ipa_param_body_adjustments::sort_replacements): Likewise.
1434         (ipa_param_body_adjustments::common_initialization): Call
1435         sort_replacements.
1436         (ipa_param_body_adjustments::ipa_param_body_adjustments): Initialize
1437         m_sorted_replacements_p.
1438         (ipa_param_body_adjustments::lookup_replacement_1): Rework to use
1439         std::lower_bound.
1440         (ipa_param_body_adjustments::lookup_first_base_replacement): New
1441         function.
1442         (ipa_param_body_adjustments::modify_call_stmt): Use
1443         lookup_first_base_replacement.
1444         * omp-simd-clone.cc (ipa_simd_modify_function_body): Call
1445         adjustments->sort_replacements.
1446
1447 2023-01-10  Richard Biener  <rguenther@suse.de>
1448
1449         PR tree-optimization/108314
1450         * tree-vect-stmts.cc (vectorizable_condition): Do not
1451         perform BIT_NOT_EXPR optimization for EXTRACT_LAST_REDUCTION.
1452
1453 2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1454
1455         * config/csky/csky-linux-elf.h (SYSROOT_SUFFIX_SPEC): New.
1456
1457 2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1458
1459         * config/csky/csky.h (MULTILIB_DEFAULTS): Fix float abi option.
1460
1461 2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1462
1463         * config/csky/csky.cc (csky_cpu_cpp_builtins): Add builtin
1464         defines for soft float abi.
1465
1466 2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1467
1468         * config/csky/csky.md (smart_bseti): Change condition to CSKY_ISA_FEATURE (E1).
1469         (smart_bclri): Likewise.
1470         (fast_bseti): Change condition to CSKY_ISA_FEATURE (E2).
1471         (fast_bclri): Likewise.
1472         (fast_cmpnesi_i): Likewise.
1473         (*fast_cmpltsi_i): Likewise.
1474         (*fast_cmpgeusi_i): Likewise.
1475
1476 2023-01-10  Xianmiao Qu  <cooper.qu@linux.alibaba.com>
1477
1478         * config/csky/csky_insn_fpuv3.md (l<frm_pattern><fixsuop><mode>si2): Test
1479         flag_fp_int_builtin_inexact || !flag_trapping_math.
1480         (<frm_pattern><mode>2): Likewise.
1481
1482 2023-01-10  Andreas Krebbel  <krebbel@linux.ibm.com>
1483
1484         * config/s390/s390.cc (s390_register_info): Check call_used_regs
1485         instead of hard-coding the register numbers for call saved
1486         registers.
1487         (s390_optimize_register_info): Likewise.
1488
1489 2023-01-09  Eric Botcazou  <ebotcazou@adacore.com>
1490
1491         * doc/gm2.texi (Overview): Fix @node markers.
1492         (Using): Likewise.  Remove subsections that were moved to Overview
1493         from the menu and move others around.
1494
1495 2023-01-09  Richard Biener  <rguenther@suse.de>
1496
1497         PR middle-end/108209
1498         * genmatch.cc (commutative_op): Fix return value for
1499         user-id with non-commutative first replacement.
1500
1501 2023-01-09  Jakub Jelinek  <jakub@redhat.com>
1502
1503         PR target/107453
1504         * calls.cc (expand_call): For calls with
1505         TYPE_NO_NAMED_ARGS_STDARG_P (funtype) use zero for n_named_args.
1506         Formatting fix.
1507
1508 2023-01-09  Richard Biener  <rguenther@suse.de>
1509
1510         PR middle-end/69482
1511         * cfgexpand.cc (discover_nonconstant_array_refs_r): Volatile
1512         qualified accesses also force objects to memory.
1513
1514 2023-01-09  Martin Liska  <mliska@suse.cz>
1515
1516         PR lto/108330
1517         * lto-cgraph.cc (compute_ltrans_boundary): Do not insert
1518         NULL (deleleted value) to a hash_set.
1519
1520 2023-01-08  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1521
1522         * config/xtensa/xtensa.md (*splice_bits):
1523         New insn_and_split pattern.
1524
1525 2023-01-07  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
1526
1527         * config/xtensa/xtensa.cc
1528         (xtensa_split_imm_two_addends, xtensa_emit_add_imm):
1529         New helper functions.
1530         (xtensa_set_return_address, xtensa_output_mi_thunk):
1531         Change to use the helper function.
1532         (xtensa_emit_adjust_stack_ptr): Ditto.
1533         And also change to try reusing the content of scratch register
1534         A9 if the register is not modified in the function body.
1535
1536 2023-01-07  LIU Hao  <lh_mouse@126.com>
1537
1538         PR middle-end/108300
1539         * config/xtensa/xtensa-dynconfig.c: Define `WIN32_LEAN_AND_MEAN`
1540         before <windows.h>.
1541         * diagnostic-color.cc: Likewise.
1542         * plugin.cc: Likewise.
1543         * prefix.cc: Likewise.
1544
1545 2023-01-06  Joseph Myers  <joseph@codesourcery.com>
1546
1547         * doc/extend.texi (__builtin_tgmath): Do not restate standard rule
1548         for handling real integer types.
1549
1550 2023-01-06  Tamar Christina  <tamar.christina@arm.com>
1551
1552         Revert:
1553         2022-12-12  Tamar Christina  <tamar.christina@arm.com>
1554
1555         * config/aarch64/aarch64-simd.md (*aarch64_simd_movv2hf): New.
1556         (mov<mode>, movmisalign<mode>, aarch64_dup_lane<mode>,
1557         aarch64_store_lane0<mode>, aarch64_simd_vec_set<mode>,
1558         @aarch64_simd_vec_copy_lane<mode>, vec_set<mode>,
1559         reduc_<optab>_scal_<mode>, reduc_<fmaxmin>_scal_<mode>,
1560         aarch64_reduc_<optab>_internal<mode>, aarch64_get_lane<mode>,
1561         vec_init<mode><Vel>, vec_extract<mode><Vel>): Support V2HF.
1562         (aarch64_simd_dupv2hf): New.
1563         * config/aarch64/aarch64.cc (aarch64_classify_vector_mode):
1564         Add E_V2HFmode.
1565         * config/aarch64/iterators.md (VHSDF_P): New.
1566         (V2F, VMOVE, nunits, Vtype, Vmtype, Vetype, stype, VEL,
1567         Vel, q, vp): Add V2HF.
1568         * config/arm/types.md (neon_fp_reduc_add_h): New.
1569
1570 2023-01-06  Martin Liska  <mliska@suse.cz>
1571
1572         PR middle-end/107966
1573         * doc/options.texi: Fix Var documentation in internal manual.
1574
1575 2023-01-05  Roger Sayle  <roger@nextmovesoftware.com>
1576
1577         Revert:
1578         2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>
1579
1580         * config/i386/i386-expand.cc (ix86_expand_int_movcc): Rewrite
1581         RTL expansion to allow condition (mask) to be shared/reused,
1582         by avoiding overwriting pseudos and adding REG_EQUAL notes.
1583
1584 2023-01-05  Iain Sandoe  <iain@sandoe.co.uk>
1585
1586         * common.opt: Add -static-libgm2.
1587         * config/darwin.h (LINK_SPEC): Handle static-libgm2.
1588         * doc/gm2.texi: Document static-libgm2.
1589         * gcc.cc (driver_handle_option): Allow static-libgm2.
1590
1591 2023-01-05  Tejas Joshi  <TejasSanjay.Joshi@amd.com>
1592
1593         * common/config/i386/i386-common.cc (processor_alias_table):
1594         Use CPU_ZNVER4 for znver4.
1595         * config/i386/i386.md: Add znver4.md.
1596         * config/i386/znver4.md: New.
1597
1598 2023-01-04  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR tree-optimization/108253
1601         * tree-vrp.cc (maybe_set_nonzero_bits): Handle var with pointer
1602         types.
1603
1604 2023-01-04  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR middle-end/108237
1607         * generic-match-head.cc: Include tree-pass.h.
1608         (canonicalize_math_p, optimize_vectors_before_lowering_p): Define
1609         to false if cfun and cfun->curr_properties has PROP_gimple_opt_math
1610         resp. PROP_gimple_lvec property set.
1611
1612 2023-01-04  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR sanitizer/108256
1615         * convert.cc (do_narrow): Punt for MULT_EXPR if original
1616         type doesn't wrap around and -fsanitize=signed-integer-overflow
1617         is on.
1618         * fold-const.cc (fold_unary_loc) <CASE_CONVERT>: Likewise.
1619
1620 2023-01-04  Hu, Lin1  <lin1.hu@intel.com>
1621
1622         * common/config/i386/cpuinfo.h (get_intel_cpu): Handle Emeraldrapids.
1623         * common/config/i386/i386-common.cc: Add Emeraldrapids.
1624
1625 2023-01-04  Hu, Lin1  <lin1.hu@intel.com>
1626
1627         * common/config/i386/cpuinfo.h (get_intel_cpu): Remove case 0xb5
1628         for meteorlake.
1629
1630 2023-01-03  Sandra Loosemore  <sandra@codesourcery.com>
1631
1632         * cgraph.h (struct cgraph_node): Add gc_candidate bit, modify
1633         default constructor to initialize it.
1634         * cgraphunit.cc (expand_all_functions): Save gc_candidate functions
1635         for last and iterate to handle recursive calls.  Delete leftover
1636         candidates at the end.
1637         * omp-simd-clone.cc (simd_clone_create): Set gc_candidate bit
1638         on local clones.
1639         * tree-vect-stmts.cc (vectorizable_simd_clone_call): Clear
1640         gc_candidate bit when a clone is used.
1641
1642 2023-01-03  Florian Weimer  <fweimer@redhat.com>
1643
1644         Revert:
1645         2023-01-02  Florian Weimer  <fweimer@redhat.com>
1646
1647         * dwarf2cfi.cc (init_return_column_size): Remove.
1648         (init_one_dwarf_reg_size): Adjust.
1649         (generate_dwarf_reg_sizes): New function.  Extracted
1650         from expand_builtin_init_dwarf_reg_sizes.
1651         (expand_builtin_init_dwarf_reg_sizes): Call
1652         generate_dwarf_reg_sizes.
1653         * target.def (init_dwarf_reg_sizes_extra): Adjust
1654         hook signature.
1655         * config/msp430/msp430.cc
1656         (msp430_init_dwarf_reg_sizes_extra): Adjust.
1657         * config/rs6000/rs6000.cc
1658         (rs6000_init_dwarf_reg_sizes_extra): Likewise.
1659         * doc/tm.texi: Update.
1660
1661 2023-01-03  Florian Weimer  <fweimer@redhat.com>
1662
1663         Revert:
1664         2023-01-02  Florian Weimer  <fweimer@redhat.com>
1665
1666         * debug.h (dwarf_reg_sizes_constant): Declare.
1667         * dwarf2cfi.cc (dwarf_reg_sizes_constant): New function.
1668
1669 2023-01-03  Siddhesh Poyarekar  <siddhesh@gotplt.org>
1670
1671         PR tree-optimization/105043
1672         * doc/extend.texi (Object Size Checking): Split out into two
1673         subsections and mention _FORTIFY_SOURCE.
1674
1675 2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>
1676
1677         * config/i386/i386-expand.cc (ix86_expand_int_movcc): Rewrite
1678         RTL expansion to allow condition (mask) to be shared/reused,
1679         by avoiding overwriting pseudos and adding REG_EQUAL notes.
1680
1681 2023-01-03  Roger Sayle  <roger@nextmovesoftware.com>
1682
1683         PR target/108229
1684         * config/i386/i386-features.cc
1685         (general_scalar_chain::compute_convert_gain) <case PLUS>: Consider
1686         the gain/cost of converting a MEM operand.
1687
1688 2023-01-03  Jakub Jelinek  <jakub@redhat.com>
1689
1690         PR middle-end/108264
1691         * expr.cc (store_expr): For stores into SUBREG_PROMOTED_* targets
1692         from source which doesn't have scalar integral mode first convert
1693         it to outer_mode.
1694
1695 2023-01-03  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR rtl-optimization/108263
1698         * cfgrtl.cc (fixup_reorder_chain): Avoid trying to redirect
1699         asm goto to EXIT.
1700
1701 2023-01-02  Alexander Monakov  <amonakov@ispras.ru>
1702
1703         PR target/87832
1704         * config/i386/lujiazui.md (lujiazui_div): New automaton.
1705         (lua_div): New unit.
1706         (lua_idiv_qi): Correct unit in the reservation.
1707         (lua_idiv_qi_load): Ditto.
1708         (lua_idiv_hi): Ditto.
1709         (lua_idiv_hi_load): Ditto.
1710         (lua_idiv_si): Ditto.
1711         (lua_idiv_si_load): Ditto.
1712         (lua_idiv_di): Ditto.
1713         (lua_idiv_di_load): Ditto.
1714         (lua_fdiv_SF): Ditto.
1715         (lua_fdiv_SF_load): Ditto.
1716         (lua_fdiv_DF): Ditto.
1717         (lua_fdiv_DF_load): Ditto.
1718         (lua_fdiv_XF): Ditto.
1719         (lua_fdiv_XF_load): Ditto.
1720         (lua_ssediv_SF): Ditto.
1721         (lua_ssediv_load_SF): Ditto.
1722         (lua_ssediv_V4SF): Ditto.
1723         (lua_ssediv_load_V4SF): Ditto.
1724         (lua_ssediv_V8SF): Ditto.
1725         (lua_ssediv_load_V8SF): Ditto.
1726         (lua_ssediv_SD): Ditto.
1727         (lua_ssediv_load_SD): Ditto.
1728         (lua_ssediv_V2DF): Ditto.
1729         (lua_ssediv_load_V2DF): Ditto.
1730         (lua_ssediv_V4DF): Ditto.
1731         (lua_ssediv_load_V4DF): Ditto.
1732
1733 2023-01-02  Florian Weimer  <fweimer@redhat.com>
1734
1735         * debug.h (dwarf_reg_sizes_constant): Declare.
1736         * dwarf2cfi.cc (dwarf_reg_sizes_constant): New function.
1737
1738 2023-01-02  Florian Weimer  <fweimer@redhat.com>
1739
1740         * dwarf2cfi.cc (init_return_column_size): Remove.
1741         (init_one_dwarf_reg_size): Adjust.
1742         (generate_dwarf_reg_sizes): New function.  Extracted
1743         from expand_builtin_init_dwarf_reg_sizes.
1744         (expand_builtin_init_dwarf_reg_sizes): Call
1745         generate_dwarf_reg_sizes.
1746         * target.def (init_dwarf_reg_sizes_extra): Adjust
1747         hook signature.
1748         * config/msp430/msp430.cc
1749         (msp430_init_dwarf_reg_sizes_extra): Adjust.
1750         * config/rs6000/rs6000.cc
1751         (rs6000_init_dwarf_reg_sizes_extra): Likewise.
1752         * doc/tm.texi: Update.
1753
1754 2023-01-02  Jakub Jelinek  <jakub@redhat.com>
1755
1756         * gcc.cc (process_command): Update copyright notice dates.
1757         * gcov-dump.cc (print_version): Ditto.
1758         * gcov.cc (print_version): Ditto.
1759         * gcov-tool.cc (print_version): Ditto.
1760         * gengtype.cc (create_file): Ditto.
1761         * doc/cpp.texi: Bump @copying's copyright year.
1762         * doc/cppinternals.texi: Ditto.
1763         * doc/gcc.texi: Ditto.
1764         * doc/gccint.texi: Ditto.
1765         * doc/gcov.texi: Ditto.
1766         * doc/install.texi: Ditto.
1767         * doc/invoke.texi: Ditto.
1768
1769 2023-01-01  Roger Sayle  <roger@nextmovesoftware.com>
1770             Uroš Bizjak  <ubizjak@gmail.com>
1771
1772         * config/i386/i386.md (extendditi2): New define_insn.
1773         (define_split): Use DWIH mode iterator to treat new extendditi2
1774         identically to existing extendsidi2_1.
1775         (define_peephole2): Likewise.
1776         (define_peephole2): Likewise.
1777         (define_Split): Likewise.
1778
1779 \f
1780 Copyright (C) 2023 Free Software Foundation, Inc.
1781
1782 Copying and distribution of this file, with or without modification,
1783 are permitted in any medium without royalty provided the copyright
1784 notice and this notice are preserved.