gcc/ChangeLog

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