gcc/ChangeLog

   1 2020-01-09  Martin Liska  <mliska@suse.cz>
   2
   3         * auto-profile.c (auto_profile): Use opt_for_fn
   4         for a parameter.
   5         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
   6         (propagate_vals_across_arith_jfunc): Likewise.
   7         (hint_time_bonus): Likewise.
   8         (incorporate_penalties): Likewise.
   9         (good_cloning_opportunity_p): Likewise.
  10         (perform_estimation_of_a_value): Likewise.
  11         (estimate_local_effects): Likewise.
  12         (ipcp_propagate_stage): Likewise.
  13         * ipa-fnsummary.c (decompose_param_expr): Likewise.
  14         (set_switch_stmt_execution_predicate): Likewise.
  15         (analyze_function_body): Likewise.
  16         * ipa-inline-analysis.c (offline_size): Likewise.
  17         * ipa-inline.c (early_inliner): Likewise.
  18         * ipa-prop.c (ipa_analyze_node): Likewise.
  19         (ipcp_transform_function): Likewise.
  20         * ipa-sra.c (process_scan_results): Likewise.
  21         (ipa_sra_summarize_function): Likewise.
  22         * params.opt: Rename ipcp-unit-growth to
  23         ipa-cp-unit-growth.  Add Optimization for various
  24         IPA-related parameters.
  25
  26 2020-01-09  Richard Biener  <rguenther@suse.de>
  27
  28         PR middle-end/93054
  29         * gimplify.c (gimplify_expr): Deal with NOP definitions.
  30
  31 2020-01-09  Richard Biener  <rguenther@suse.de>
  32
  33         PR tree-optimization/93040
  34         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
  35
  36 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
  37
  38         * common/config/avr/avr-common.c (avr_option_optimization_table)
  39         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
  40
  41 2020-01-09  Martin Liska  <mliska@suse.cz>
  42
  43         * cgraphclones.c (symbol_table::materialize_all_clones):
  44         Use cgraph_node::dump_name.
  45
  46 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
  47
  48         PR inline-asm/93202
  49         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
  50         output_operand_lossage instead of gcc_unreachable.
  51         * doc/md.texi (riscv f constraint): Fix typo.
  52
  53         PR target/93141
  54         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
  55         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
  56         CONST_SCALAR_INT_P instead of CONST_INT_P.
  57         (*subv<mode>4_1): Rename to ...
  58         (subv<mode>4_1): ... this.
  59         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
  60         define_insn_and_split patterns.
  61         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
  62         patterns.
  63
  64 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
  65
  66         * vec.c (class selftest::count_dtor): New class.
  67         (selftest::test_auto_delete_vec): New test.
  68         (selftest::vec_c_tests): Call it.
  69         * vec.h (class auto_delete_vec): New class template.
  70         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
  71
  72 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
  73
  74         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
  75
  76 2020-01-08  Jim Wilson  <jimw@sifive.com>
  77
  78         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
  79         use of TLS_MODEL_LOCAL_EXEC when not pic.
  80
  81 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
  82
  83         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
  84         memory leak.
  85
  86 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
  87
  88         PR target/93187
  89         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
  90         *stack_protect_set_3 peephole2): Also check that the second
  91         insns source is general_operand.
  92
  93         PR target/93174
  94         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
  95         predicate for output operand instead of register_operand.
  96         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
  97         memory destination and non-memory operands[2].
  98
  99 2020-01-08  Martin Liska  <mliska@suse.cz>
 100
 101         * cgraph.c (cgraph_node::dump): Use ::dump_name or
 102         ::dump_asm_name instead of (::name or ::asm_name).
 103         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
 104         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
 105         (analyze_functions): Likewise.
 106         (expand_all_functions): Likewise.
 107         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
 108         (propagate_bits_across_jump_function): Likewise.
 109         (dump_profile_updates): Likewise.
 110         (ipcp_store_bits_results): Likewise.
 111         (ipcp_store_vr_results): Likewise.
 112         * ipa-devirt.c (dump_targets): Likewise.
 113         * ipa-fnsummary.c (analyze_function_body): Likewise.
 114         * ipa-hsa.c (check_warn_node_versionable): Likewise.
 115         (process_hsa_functions): Likewise.
 116         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
 117         (set_alias_uids): Likewise.
 118         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 119         * ipa-inline.c (recursive_inlining): Likewise.
 120         (inline_to_all_callers_1): Likewise.
 121         (ipa_inline): Likewise.
 122         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 123         (ipa_propagate_frequency): Likewise.
 124         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
 125         (remove_described_reference): Likewise.
 126         * ipa-pure-const.c (worse_state): Likewise.
 127         (check_retval_uses): Likewise.
 128         (analyze_function): Likewise.
 129         (propagate_pure_const): Likewise.
 130         (propagate_nothrow): Likewise.
 131         (dump_malloc_lattice): Likewise.
 132         (propagate_malloc): Likewise.
 133         (pass_local_pure_const::execute): Likewise.
 134         * ipa-visibility.c (optimize_weakref): Likewise.
 135         (function_and_variable_visibility): Likewise.
 136         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
 137         (ipa_discover_variable_flags): Likewise.
 138         * lto-streamer-out.c (output_function): Likewise.
 139         (output_constructor): Likewise.
 140         * tree-inline.c (copy_bb): Likewise.
 141         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
 142         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
 143
 144 2020-01-08  Richard Biener  <rguenther@suse.de>
 145
 146         PR middle-end/93199
 147         * tree-eh.c (sink_clobbers): Update virtual operands for
 148         the first and last stmt only.  Add a dry-run capability.
 149         (pass_lower_eh_dispatch::execute): Perform clobber sinking
 150         after CFG manipulations and in RPO order to catch all
 151         secondary opportunities reliably.
 152
 153 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 154
 155         PR target/93182
 156         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 157
 158 2019-01-08  Richard Biener  <rguenther@suse.de>
 159
 160         PR middle-end/93199
 161         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
 162         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
 163         virtual operand, also updating SSA use.
 164         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
 165         Update stmt after resetting virtual operand.
 166         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
 167         * gimple-iterator.c (gsi_remove): When not removing the stmt
 168         permanently do not delink immediate uses or mark the stmt modified.
 169
 170 2020-01-08  Martin Liska  <mliska@suse.cz>
 171
 172         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
 173         (ipa_call_context::estimate_size_and_time): Likewise.
 174         (inline_analyze_function): Likewise.
 175
 176 2020-01-08  Martin Liska  <mliska@suse.cz>
 177
 178         * cgraph.c (cgraph_node::dump): Use systematically
 179         dump_asm_name.
 180
 181 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 182
 183         Add -nodevicespecs option for avr.
 184
 185         PR target/93182
 186         * config/avr/avr.opt (-nodevicespecs): New driver option.
 187         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
 188         "-specs=device-specs/..." if that option is not set.
 189         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 190
 191 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 192
 193         Implement 64-bit double functions for avr.
 194
 195         PR target/92055
 196         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
 197         --with-double-comparison.
 198         * doc/install.texi: Document them.
 199         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
 200         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
 201         <WITH_DOUBLE_COMPARISON>: New built-in defines.
 202         * doc/invoke.texi (AVR Built-in Macros): Document them.
 203         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
 204         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
 205         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
 206
 207 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
 208
 209         PR target/93188
 210         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
 211         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
 212         when only building rm-profile multilibs.
 213
 214 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
 215
 216         PR ipa/93084
 217         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
 218         lattice for a value to check.
 219         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
 220         finite propagation in self-recursive scc.
 221
 222 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 223
 224         * ipa-inline.c (caller_growth_limits): Restore the AND.
 225
 226 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 227
 228         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
 229         (VEC_ALLREG_ALT): New iterator.
 230         (VEC_ALLREG_INT_MODE): New iterator.
 231         (VCMP_MODE): New iterator.
 232         (VCMP_MODE_INT): New iterator.
 233         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
 234         (vec_cmp<u>v64qidi): New define_expand.
 235         (vec_cmp<mode>di_exec): Use VCMP_MODE.
 236         (vec_cmpu<mode>di_exec): New define_expand.
 237         (vec_cmp<u>v64qidi_exec): New define_expand.
 238         (vec_cmp<mode>di_dup): Use VCMP_MODE.
 239         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
 240         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
 241         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
 242         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
 243         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
 244         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
 245         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
 246         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
 247         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
 248         this.
 249         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
 250         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
 251
 252 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 253
 254         * config/gcn/constraints.md (DA): Update description and match.
 255         (DB): Likewise.
 256         (Db): New constraint.
 257         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
 258         parameter.
 259         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
 260         Implement 'Db' mixed immediate type.
 261         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
 262         (addcv64si3_dup<exec_vcc>): Delete.
 263         (subcv64si3<exec_vcc>): Rework constraints.
 264         (addv64di3): Rework constraints.
 265         (addv64di3_exec): Rework constraints.
 266         (subv64di3): Rework constraints.
 267         (addv64di3_dup): Delete.
 268         (addv64di3_dup_exec): Delete.
 269         (addv64di3_zext): Rework constraints.
 270         (addv64di3_zext_exec): Rework constraints.
 271         (addv64di3_zext_dup): Rework constraints.
 272         (addv64di3_zext_dup_exec): Rework constraints.
 273         (addv64di3_zext_dup2): Rework constraints.
 274         (addv64di3_zext_dup2_exec): Rework constraints.
 275         (addv64di3_sext_dup2): Rework constraints.
 276         (addv64di3_sext_dup2_exec): Rework constraints.
 277
 278 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 279
 280         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
 281         existing target checks.
 282
 283 2020-01-07  Richard Biener  <rguenther@suse.de>
 284
 285         * doc/install.texi: Bump minimal supported MPC version.
 286
 287 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 288
 289         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
 290         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
 291         * langhooks.c: Include stor-layout.h.
 292         (lhd_simulate_enum_decl): New function.
 293         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
 294         handle_arm_sve_h for the LTO frontend.
 295         (register_vector_type): Cope with null returns from pushdecl.
 296
 297 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 298
 299         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
 300         (aarch64_sve::nvectors_if_data_type): Replace with...
 301         (aarch64_sve::builtin_type_p): ...this.
 302         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
 303         (find_vector_type): Delete.
 304         (add_sve_type_attribute): New function.
 305         (lookup_sve_type_attribute): Likewise.
 306         (register_builtin_types): Add an "SVE type" attribute to each type.
 307         (register_tuple_type): Likewise.
 308         (svbool_type_p, nvectors_if_data_type): Delete.
 309         (mangle_builtin_type): Use lookup_sve_type_attribute.
 310         (builtin_type_p): Likewise.  Add an overload that returns the
 311         number of constituent vector and predicate registers.
 312         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
 313         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
 314         instead of aarch64_sve_argument_p.
 315         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
 316         (aarch64_pass_by_reference): Likewise.
 317         (aarch64_function_value_1): Likewise.
 318         (aarch64_return_in_memory): Likewise.
 319         (aarch64_layout_arg): Likewise.
 320
 321 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
 322
 323         PR tree-optimization/93156
 324         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
 325         least significant bit is always clear.
 326
 327         PR tree-optimization/93118
 328         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
 329         simplifier with two intermediate conversions.
 330
 331 2020-01-07  Martin Liska  <mliska@suse.cz>
 332
 333         * params.opt: Add Optimization for various parameters.
 334
 335 2020-01-07  Martin Liska  <mliska@suse.cz>
 336
 337         PR ipa/83411
 338         * doc/extend.texi: Explain cloning for target_clone
 339         attribute.
 340
 341 2020-01-07  Martin Liska  <mliska@suse.cz>
 342
 343         PR tree-optimization/92860
 344         * common.opt: Make in Optimization option
 345         as it is affected by -O0, which is an Optimization
 346         option.
 347         * tree-inline.c (tree_inlinable_function_p):
 348         Use opt_for_fn for warn_inline.
 349         (expand_call_inline): Likewise.
 350
 351 2020-01-07  Martin Liska  <mliska@suse.cz>
 352
 353         PR tree-optimization/92860
 354         * common.opt: Make flag_ree as optimization
 355         attribute.
 356
 357 2020-01-07  Martin Liska  <mliska@suse.cz>
 358
 359         PR optimization/92860
 360         * params.opt: Mark param_min_crossjump_insns with Optimization
 361         keyword.
 362
 363 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 364
 365         * ipa-inline-analysis.c (estimate_growth): Fix typo.
 366         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
 367
 368 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
 369
 370         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
 371         helper function to return the valid addressing formats for a given
 372         hard register and mode.
 373         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
 374
 375         * config/rs6000/constraints.md (Q constraint): Update
 376         documentation.
 377         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
 378         documentation.
 379
 380         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
 381         Use 'Q' for doing vector extract from memory.
 382         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
 383         memory.
 384         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
 385         doing vector extract from memory.
 386         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
 387         extract from memory.
 388
 389         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
 390         for the offset being 34-bits when -mcpu=future is used.
 391
 392 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
 393
 394         * config/pa/pa.md: Revert change to use ordered_comparison_operator
 395         instead of cmpib_comparison_operator in cmpib patterns.
 396         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
 397         of cmpib_comparison_operator.  Revise comment.
 398
 399 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 400
 401         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
 402         in an IFN_DIV_POW2 node to be equal.
 403
 404 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 405
 406         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
 407         (vect_check_scalar_mask): ...this.
 408         (vectorizable_store, vectorizable_load): Update call accordingly.
 409         (vectorizable_call): Use vect_check_scalar_mask to check the mask
 410         argument in calls to conditional internal functions.
 411
 412 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 413
 414         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
 415         '0' matching inputs.
 416         (subv64di3_exec): Likewise.
 417
 418 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
 419
 420         * config/mips/mips.c (vr4130_align_insns): Fix typo.
 421         * doc/md.texi (movstr): Likewise.
 422
 423 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 424
 425         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
 426         clobber.
 427
 428 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 429
 430         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
 431         Depend on...
 432         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
 433         to a temporary file and use move-if-change to update the real
 434         file where necessary.
 435
 436 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 437
 438         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
 439         rather than Upa for CPY /M.
 440
 441 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 442
 443         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
 444         immediate.
 445
 446 2020-01-06  Martin Liska  <mliska@suse.cz>
 447
 448     PR tree-optimization/92860
 449     * params.opt: Mark param_max_combine_insns with Optimization
 450     keyword.
 451
 452 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
 453
 454         PR target/93141
 455         * config/i386/i386.md (SWIDWI): New mode iterator.
 456         (DWI, dwi): Add TImode variants.
 457         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 458         <general_hilo_operand> instead of <general_operand>.  Use
 459         CONST_SCALAR_INT_P instead of CONST_INT_P.
 460         (*addv<mode>4_1): Rename to ...
 461         (addv<mode>4_1): ... this.
 462         (QWI): New mode attribute.
 463         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
 464         define_insn_and_split patterns.
 465         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
 466         patterns.
 467         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 468         <general_hilo_operand> instead of <general_operand>.
 469         (*addcarry<mode>_1): New define_insn.
 470         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
 471
 472 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
 473
 474         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
 475         Use "call" instead of "set".
 476
 477 2020-01-03  Martin Jambor  <mjambor@suse.cz>
 478
 479         PR ipa/92917
 480         * ipa-cp.c (print_all_lattices): Skip functions without info.
 481
 482 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
 483
 484         PR target/93089
 485         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
 486         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
 487         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
 488         for 'e' simd clones.
 489
 490         PR target/93089
 491         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
 492         entry.
 493         (mprefer-vector-width=): Add Save.
 494         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
 495         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
 496         (ix86_debug_options, ix86_function_specific_print): Adjust
 497         ix86_target_string callers.
 498         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
 499         (ix86_valid_target_attribute_tree): Likewise.
 500         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
 501         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
 502         ix86_target_string caller.
 503
 504         PR target/93110
 505         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
 506         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
 507         instead of gen_int_shift_amount + convert_modes.
 508
 509         PR rtl-optimization/93088
 510         * loop-iv.c (find_single_def_src): Punt after looking through
 511         128 reg copies for regs with single definitions.  Move definitions
 512         to first uses.
 513
 514 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
 515
 516         * config/arm/arm-c.c (arm_cpu_builtins): Define
 517         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
 518         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
 519         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
 520         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
 521         * config/arm/arm-tables.opt: Regenerated.
 522         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
 523         arm_arch_i8mm and arm_arch_bf16 when enabled.
 524         * config/arm/arm.h (TARGET_I8MM): New macro.
 525         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
 526         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
 527         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
 528         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
 529         (v8_6_a_simd_variants): New.
 530         (v8_*_a_simd_variants): Add i8mm and bf16.
 531         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
 532
 533 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
 534
 535         PR ipa/93087
 536         * predict.c (compute_function_frequency): Don't call
 537         warn_function_cold on functions that already have cold attribute.
 538
 539 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
 540
 541         PR target/67834
 542         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
 543         COMDAT group function labels in .data.rel.ro.local section.
 544         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
 545
 546         PR target/93111
 547         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
 548         comparison_operator in B and S integer comparisons.  Likewise, use
 549         ordered_comparison_operator instead of cmpib_comparison_operator in
 550         cmpib patterns.
 551         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
 552
 553 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 554
 555         Update copyright years.
 556
 557         * gcc.c (process_command): Update copyright notice dates.
 558         * gcov-dump.c (print_version): Ditto.
 559         * gcov.c (print_version): Ditto.
 560         * gcov-tool.c (print_version): Ditto.
 561         * gengtype.c (create_file): Ditto.
 562         * doc/cpp.texi: Bump @copying's copyright year.
 563         * doc/cppinternals.texi: Ditto.
 564         * doc/gcc.texi: Ditto.
 565         * doc/gccint.texi: Ditto.
 566         * doc/gcov.texi: Ditto.
 567         * doc/install.texi: Ditto.
 568         * doc/invoke.texi: Ditto.
 569
 570 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
 571
 572         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
 573         summary.
 574
 575 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 576
 577         PR tree-optimization/93098
 578         * match.pd (popcount): For shift amounts, use integer_onep
 579         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
 580         tests.  Make sure that precision is power of two larger than or equal
 581         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
 582         instead of ULL suffixed constants.  Formatting fixes.
 583 \f
 584 Copyright (C) 2020 Free Software Foundation, Inc.
 585
 586 Copying and distribution of this file, with or without modification,
 587 are permitted in any medium without royalty provided the copyright
 588 notice and this notice are preserved.