gcc/ChangeLog

   1 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
   2
   3         * config/aarch64/aarch64-sve2.md: Add banner comments.
   4         (<su>mulh<r>s<mode>3): Move further up file.
   5         (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
   6         (*aarch64_sve2_sra<mode>): Move further down file.
   7         * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.
   8
   9 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  10
  11         * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
  12         and UNSPEC_WHILEWR.
  13         (while_optab_cmp): Handle them.
  14         * config/aarch64/aarch64-sve.md
  15         (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
  16         and add a "@" marker.
  17         * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
  18         instead of gen_aarch64_sve2_while_ptest.
  19         (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.
  20
  21 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  22
  23         * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
  24         (UNSPEC_WHILELE): ...this.
  25         (UNSPEC_WHILE_LO): Rename to...
  26         (UNSPEC_WHILELO): ...this.
  27         (UNSPEC_WHILE_LS): Rename to...
  28         (UNSPEC_WHILELS): ...this.
  29         (UNSPEC_WHILE_LT): Rename to...
  30         (UNSPEC_WHILELT): ...this.
  31         * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
  32         (cmp_op, while_optab_cmp): Likewise.
  33         * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
  34         * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
  35         (svwhilelt): Likewise.
  36
  37 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  38
  39         * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
  40         (unary_to_uint): Define.
  41         * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
  42         (unary_count): Rename to...
  43         (unary_to_uint_def, unary_to_uint): ...this.
  44         * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.
  45
  46 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  47
  48         * config/aarch64/aarch64-sve-builtins-functions.h
  49         (code_for_mode_function): New class.
  50         (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
  51         * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
  52         (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
  53         (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
  54         (svmul_lane, svtmad): Use CODE_FOR_MODE0.
  55
  56 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  57
  58         * config/aarch64/iterators.md (addsub): New code attribute.
  59         * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
  60         Re-express as...
  61         (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
  62         in the asm string and attributes.  Fix indentation.
  63         * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
  64         Re-express as...
  65         (@aarch64_sve_<optab><mode>): ...this.
  66         * config/aarch64/aarch64-sve-builtins.h
  67         (function_expander::expand_signed_unpred_op): Delete.
  68         * config/aarch64/aarch64-sve-builtins.cc
  69         (function_expander::expand_signed_unpred_op): Likewise.
  70         (function_expander::map_to_rtx_codes): If the optab isn't defined,
  71         try using code_for_aarch64_sve instead.
  72         * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
  73         (svqsub_impl): Likewise.
  74         (svqadd, svqsub): Use rtx_code_function instead.
  75
  76 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  77
  78         * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
  79         (HADDSUB, sur, addsub): Remove them.
  80
  81 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  82
  83         * tree-nrv.c (pass_return_slot::execute): Handle all internal
  84         functions the same way, rather than singling out those that
  85         aren't mapped directly to optabs.
  86
  87 2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>
  88
  89         * target.def (compatible_vector_types_p): New target hook.
  90         * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
  91         * hooks.c (hook_bool_const_tree_const_tree_true): New function.
  92         * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
  93         * doc/tm.texi: Regenerate.
  94         * gimple-expr.c: Include target.h.
  95         (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
  96         * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
  97         function.
  98         (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
  99         * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
 100         Use the original predicate if it already has a suitable type.
 101
 102 2020-01-09  Martin Jambor  <mjambor@suse.cz>
 103
 104         * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
 105         resolve_speculation and redirect_call_stmt_to_callee static.  Change
 106         return type of set_call_stmt to cgraph_edge *.
 107         * auto-profile.c (afdo_indirect_call): Adjust call to
 108         redirect_call_stmt_to_callee.
 109         * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
 110         make the this pointer explicit, adjust self-recursive calls and the
 111         call top make_direct.  Return the resulting edge.
 112         (cgraph_edge::remove): Make this pointer explicit.
 113         (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
 114         (cgraph_edge::make_direct): Likewise, adjust call to
 115         resolve_speculation.
 116         (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
 117         call to set_call_stmt.
 118         (cgraph_update_edges_for_call_stmt_node): Update call to
 119         set_call_stmt and remove.
 120         * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
 121         Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
 122         (cgraph_node::create_edge_including_clones): Moved "first" definition
 123         of edge to the block where it was used.  Adjusted calls to
 124         set_call_stmt.
 125         (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
 126         cgraph_edge::remove.
 127         * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
 128         make_direct and redirect_call_stmt_to_callee.
 129         * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
 130         resolve_speculation and make_direct.
 131         * ipa-inline-transform.c (inline_transform): Adjust call to
 132         redirect_call_stmt_to_callee.
 133         (check_speculations_1):: Adjust call to resolve_speculation.
 134         * ipa-inline.c (resolve_noninline_speculation): Adjust call to
 135         resolve-speculation.
 136         (inline_small_functions): Adjust call to resolve_speculation.
 137         (ipa_inline): Likewise.
 138         * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
 139         make_direct.
 140         * ipa-visibility.c (function_and_variable_visibility): Make iteration
 141         safe with regards to edge removal, adjust calls to
 142         redirect_call_stmt_to_callee.
 143         * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
 144         and redirect_call_stmt_to_callee.
 145         * multiple_target.c (create_dispatcher_calls): Adjust call to
 146         redirect_call_stmt_to_callee
 147         (redirect_to_specific_clone): Likewise.
 148         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
 149         Adjust calls to cgraph_edge::remove.
 150         * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
 151         (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
 152         (expand_call_inline): Adjust call to cgraph_edge::remove.
 153
 154 2020-01-09  Martin Liska  <mliska@suse.cz>
 155
 156         * params.opt: Set Optimization for
 157         param_max_speculative_devirt_maydefs.
 158
 159 2020-01-09  Martin Sebor  <msebor@redhat.com>
 160
 161         PR middle-end/93200
 162         PR fortran/92956
 163         * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.
 164
 165 2020-01-09  Martin Liska  <mliska@suse.cz>
 166
 167         * auto-profile.c (auto_profile): Use opt_for_fn
 168         for a parameter.
 169         * ipa-cp.c (ipcp_lattice::add_value): Likewise.
 170         (propagate_vals_across_arith_jfunc): Likewise.
 171         (hint_time_bonus): Likewise.
 172         (incorporate_penalties): Likewise.
 173         (good_cloning_opportunity_p): Likewise.
 174         (perform_estimation_of_a_value): Likewise.
 175         (estimate_local_effects): Likewise.
 176         (ipcp_propagate_stage): Likewise.
 177         * ipa-fnsummary.c (decompose_param_expr): Likewise.
 178         (set_switch_stmt_execution_predicate): Likewise.
 179         (analyze_function_body): Likewise.
 180         * ipa-inline-analysis.c (offline_size): Likewise.
 181         * ipa-inline.c (early_inliner): Likewise.
 182         * ipa-prop.c (ipa_analyze_node): Likewise.
 183         (ipcp_transform_function): Likewise.
 184         * ipa-sra.c (process_scan_results): Likewise.
 185         (ipa_sra_summarize_function): Likewise.
 186         * params.opt: Rename ipcp-unit-growth to
 187         ipa-cp-unit-growth.  Add Optimization for various
 188         IPA-related parameters.
 189
 190 2020-01-09  Richard Biener  <rguenther@suse.de>
 191
 192         PR middle-end/93054
 193         * gimplify.c (gimplify_expr): Deal with NOP definitions.
 194
 195 2020-01-09  Richard Biener  <rguenther@suse.de>
 196
 197         PR tree-optimization/93040
 198         * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.
 199
 200 2020-01-09  Georg-Johann Lay  <avr@gjlay.de>
 201
 202         * common/config/avr/avr-common.c (avr_option_optimization_table)
 203         [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.
 204
 205 2020-01-09  Martin Liska  <mliska@suse.cz>
 206
 207         * cgraphclones.c (symbol_table::materialize_all_clones):
 208         Use cgraph_node::dump_name.
 209
 210 2020-01-09  Jakub Jelinek  <jakub@redhat.com>
 211
 212         PR inline-asm/93202
 213         * config/riscv/riscv.c (riscv_print_operand_reloc): Use
 214         output_operand_lossage instead of gcc_unreachable.
 215         * doc/md.texi (riscv f constraint): Fix typo.
 216
 217         PR target/93141
 218         * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
 219         SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
 220         CONST_SCALAR_INT_P instead of CONST_INT_P.
 221         (*subv<mode>4_1): Rename to ...
 222         (subv<mode>4_1): ... this.
 223         (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
 224         define_insn_and_split patterns.
 225         (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
 226         patterns.
 227
 228 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 229
 230         * vec.c (class selftest::count_dtor): New class.
 231         (selftest::test_auto_delete_vec): New test.
 232         (selftest::vec_c_tests): Call it.
 233         * vec.h (class auto_delete_vec): New class template.
 234         (auto_delete_vec<T>::~auto_delete_vec): New dtor.
 235
 236 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 237
 238         * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.
 239
 240 2020-01-08  Jim Wilson  <jimw@sifive.com>
 241
 242         * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
 243         use of TLS_MODEL_LOCAL_EXEC when not pic.
 244
 245 2020-01-08  David Malcolm  <dmalcolm@redhat.com>
 246
 247         * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
 248         memory leak.
 249
 250 2020-01-08  Jakub Jelinek  <jakub@redhat.com>
 251
 252         PR target/93187
 253         * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
 254         *stack_protect_set_3 peephole2): Also check that the second
 255         insns source is general_operand.
 256
 257         PR target/93174
 258         * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
 259         predicate for output operand instead of register_operand.
 260         (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
 261         memory destination and non-memory operands[2].
 262
 263 2020-01-08  Martin Liska  <mliska@suse.cz>
 264
 265         * cgraph.c (cgraph_node::dump): Use ::dump_name or
 266         ::dump_asm_name instead of (::name or ::asm_name).
 267         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
 268         * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
 269         (analyze_functions): Likewise.
 270         (expand_all_functions): Likewise.
 271         * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
 272         (propagate_bits_across_jump_function): Likewise.
 273         (dump_profile_updates): Likewise.
 274         (ipcp_store_bits_results): Likewise.
 275         (ipcp_store_vr_results): Likewise.
 276         * ipa-devirt.c (dump_targets): Likewise.
 277         * ipa-fnsummary.c (analyze_function_body): Likewise.
 278         * ipa-hsa.c (check_warn_node_versionable): Likewise.
 279         (process_hsa_functions): Likewise.
 280         * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
 281         (set_alias_uids): Likewise.
 282         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 283         * ipa-inline.c (recursive_inlining): Likewise.
 284         (inline_to_all_callers_1): Likewise.
 285         (ipa_inline): Likewise.
 286         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
 287         (ipa_propagate_frequency): Likewise.
 288         * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
 289         (remove_described_reference): Likewise.
 290         * ipa-pure-const.c (worse_state): Likewise.
 291         (check_retval_uses): Likewise.
 292         (analyze_function): Likewise.
 293         (propagate_pure_const): Likewise.
 294         (propagate_nothrow): Likewise.
 295         (dump_malloc_lattice): Likewise.
 296         (propagate_malloc): Likewise.
 297         (pass_local_pure_const::execute): Likewise.
 298         * ipa-visibility.c (optimize_weakref): Likewise.
 299         (function_and_variable_visibility): Likewise.
 300         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
 301         (ipa_discover_variable_flags): Likewise.
 302         * lto-streamer-out.c (output_function): Likewise.
 303         (output_constructor): Likewise.
 304         * tree-inline.c (copy_bb): Likewise.
 305         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
 306         * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.
 307
 308 2020-01-08  Richard Biener  <rguenther@suse.de>
 309
 310         PR middle-end/93199
 311         * tree-eh.c (sink_clobbers): Update virtual operands for
 312         the first and last stmt only.  Add a dry-run capability.
 313         (pass_lower_eh_dispatch::execute): Perform clobber sinking
 314         after CFG manipulations and in RPO order to catch all
 315         secondary opportunities reliably.
 316
 317 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 318
 319         PR target/93182
 320         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 321
 322 2019-01-08  Richard Biener  <rguenther@suse.de>
 323
 324         PR middle-end/93199
 325         * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
 326         * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
 327         virtual operand, also updating SSA use.
 328         * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
 329         Update stmt after resetting virtual operand.
 330         (tree_loop_interchange::move_code_to_inner_loop): Likewise.
 331         * gimple-iterator.c (gsi_remove): When not removing the stmt
 332         permanently do not delink immediate uses or mark the stmt modified.
 333
 334 2020-01-08  Martin Liska  <mliska@suse.cz>
 335
 336         * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
 337         (ipa_call_context::estimate_size_and_time): Likewise.
 338         (inline_analyze_function): Likewise.
 339
 340 2020-01-08  Martin Liska  <mliska@suse.cz>
 341
 342         * cgraph.c (cgraph_node::dump): Use systematically
 343         dump_asm_name.
 344
 345 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 346
 347         Add -nodevicespecs option for avr.
 348
 349         PR target/93182
 350         * config/avr/avr.opt (-nodevicespecs): New driver option.
 351         * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
 352         "-specs=device-specs/..." if that option is not set.
 353         * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.
 354
 355 2020-01-08  Georg-Johann Lay  <avr@gjlay.de>
 356
 357         Implement 64-bit double functions for avr.
 358
 359         PR target/92055
 360         * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
 361         --with-double-comparison.
 362         * doc/install.texi: Document them.
 363         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
 364         <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
 365         <WITH_DOUBLE_COMPARISON>: New built-in defines.
 366         * doc/invoke.texi (AVR Built-in Macros): Document them.
 367         * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
 368         * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
 369         * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.
 370
 371 2020-01-08  Richard Earnshaw  <rearnsha@arm.com>
 372
 373         PR target/93188
 374         * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
 375         armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
 376         when only building rm-profile multilibs.
 377
 378 2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>
 379
 380         PR ipa/93084
 381         * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
 382         lattice for a value to check.
 383         (propagate_vals_across_arith_jfunc): Add an assertion to ensure
 384         finite propagation in self-recursive scc.
 385
 386 2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 387
 388         * ipa-inline.c (caller_growth_limits): Restore the AND.
 389
 390 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 391
 392         * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
 393         (VEC_ALLREG_ALT): New iterator.
 394         (VEC_ALLREG_INT_MODE): New iterator.
 395         (VCMP_MODE): New iterator.
 396         (VCMP_MODE_INT): New iterator.
 397         (vec_cmpu<mode>di): Use VCMP_MODE_INT.
 398         (vec_cmp<u>v64qidi): New define_expand.
 399         (vec_cmp<mode>di_exec): Use VCMP_MODE.
 400         (vec_cmpu<mode>di_exec): New define_expand.
 401         (vec_cmp<u>v64qidi_exec): New define_expand.
 402         (vec_cmp<mode>di_dup): Use VCMP_MODE.
 403         (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
 404         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
 405         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
 406         (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
 407         (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
 408         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
 409         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
 410         (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
 411         (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
 412         this.
 413         * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
 414         * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.
 415
 416 2020-01-07  Andrew Stubbs  <ams@codesourcery.com>
 417
 418         * config/gcn/constraints.md (DA): Update description and match.
 419         (DB): Likewise.
 420         (Db): New constraint.
 421         * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
 422         parameter.
 423         * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
 424         Implement 'Db' mixed immediate type.
 425         * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
 426         (addcv64si3_dup<exec_vcc>): Delete.
 427         (subcv64si3<exec_vcc>): Rework constraints.
 428         (addv64di3): Rework constraints.
 429         (addv64di3_exec): Rework constraints.
 430         (subv64di3): Rework constraints.
 431         (addv64di3_dup): Delete.
 432         (addv64di3_dup_exec): Delete.
 433         (addv64di3_zext): Rework constraints.
 434         (addv64di3_zext_exec): Rework constraints.
 435         (addv64di3_zext_dup): Rework constraints.
 436         (addv64di3_zext_dup_exec): Rework constraints.
 437         (addv64di3_zext_dup2): Rework constraints.
 438         (addv64di3_zext_dup2_exec): Rework constraints.
 439         (addv64di3_sext_dup2): Rework constraints.
 440         (addv64di3_sext_dup2_exec): Rework constraints.
 441
 442 2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 443
 444         * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
 445         existing target checks.
 446
 447 2020-01-07  Richard Biener  <rguenther@suse.de>
 448
 449         * doc/install.texi: Bump minimal supported MPC version.
 450
 451 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 452
 453         * langhooks-def.h (lhd_simulate_enum_decl): Declare.
 454         (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
 455         * langhooks.c: Include stor-layout.h.
 456         (lhd_simulate_enum_decl): New function.
 457         * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
 458         handle_arm_sve_h for the LTO frontend.
 459         (register_vector_type): Cope with null returns from pushdecl.
 460
 461 2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>
 462
 463         * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
 464         (aarch64_sve::nvectors_if_data_type): Replace with...
 465         (aarch64_sve::builtin_type_p): ...this.
 466         * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
 467         (find_vector_type): Delete.
 468         (add_sve_type_attribute): New function.
 469         (lookup_sve_type_attribute): Likewise.
 470         (register_builtin_types): Add an "SVE type" attribute to each type.
 471         (register_tuple_type): Likewise.
 472         (svbool_type_p, nvectors_if_data_type): Delete.
 473         (mangle_builtin_type): Use lookup_sve_type_attribute.
 474         (builtin_type_p): Likewise.  Add an overload that returns the
 475         number of constituent vector and predicate registers.
 476         * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
 477         (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
 478         instead of aarch64_sve_argument_p.
 479         (aarch64_takes_arguments_in_sve_regs_p): Likewise.
 480         (aarch64_pass_by_reference): Likewise.
 481         (aarch64_function_value_1): Likewise.
 482         (aarch64_return_in_memory): Likewise.
 483         (aarch64_layout_arg): Likewise.
 484
 485 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
 486
 487         PR tree-optimization/93156
 488         * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
 489         least significant bit is always clear.
 490
 491         PR tree-optimization/93118
 492         * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
 493         simplifier with two intermediate conversions.
 494
 495 2020-01-07  Martin Liska  <mliska@suse.cz>
 496
 497         * params.opt: Add Optimization for various parameters.
 498
 499 2020-01-07  Martin Liska  <mliska@suse.cz>
 500
 501         PR ipa/83411
 502         * doc/extend.texi: Explain cloning for target_clone
 503         attribute.
 504
 505 2020-01-07  Martin Liska  <mliska@suse.cz>
 506
 507         PR tree-optimization/92860
 508         * common.opt: Make in Optimization option
 509         as it is affected by -O0, which is an Optimization
 510         option.
 511         * tree-inline.c (tree_inlinable_function_p):
 512         Use opt_for_fn for warn_inline.
 513         (expand_call_inline): Likewise.
 514
 515 2020-01-07  Martin Liska  <mliska@suse.cz>
 516
 517         PR tree-optimization/92860
 518         * common.opt: Make flag_ree as optimization
 519         attribute.
 520
 521 2020-01-07  Martin Liska  <mliska@suse.cz>
 522
 523         PR optimization/92860
 524         * params.opt: Mark param_min_crossjump_insns with Optimization
 525         keyword.
 526
 527 2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>
 528
 529         * ipa-inline-analysis.c (estimate_growth): Fix typo.
 530         * ipa-inline.c (caller_growth_limits): Use OR instead of AND.
 531
 532 2020-01-06  Michael Meissner  <meissner@linux.ibm.com>
 533
 534         * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
 535         helper function to return the valid addressing formats for a given
 536         hard register and mode.
 537         (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.
 538
 539         * config/rs6000/constraints.md (Q constraint): Update
 540         documentation.
 541         * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
 542         documentation.
 543
 544         * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
 545         Use 'Q' for doing vector extract from memory.
 546         (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
 547         memory.
 548         (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
 549         doing vector extract from memory.
 550         (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
 551         extract from memory.
 552
 553         * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
 554         for the offset being 34-bits when -mcpu=future is used.
 555
 556 2020-01-06  John David Anglin  <danglin@gcc.gnu.org>
 557
 558         * config/pa/pa.md: Revert change to use ordered_comparison_operator
 559         instead of cmpib_comparison_operator in cmpib patterns.
 560         * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
 561         of cmpib_comparison_operator.  Revise comment.
 562
 563 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 564
 565         * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
 566         in an IFN_DIV_POW2 node to be equal.
 567
 568 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 569
 570         * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
 571         (vect_check_scalar_mask): ...this.
 572         (vectorizable_store, vectorizable_load): Update call accordingly.
 573         (vectorizable_call): Use vect_check_scalar_mask to check the mask
 574         argument in calls to conditional internal functions.
 575
 576 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 577
 578         * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
 579         '0' matching inputs.
 580         (subv64di3_exec): Likewise.
 581
 582 2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>
 583
 584         * config/mips/mips.c (vr4130_align_insns): Fix typo.
 585         * doc/md.texi (movstr): Likewise.
 586
 587 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 588
 589         * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
 590         clobber.
 591
 592 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 593
 594         * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
 595         Depend on...
 596         (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
 597         to a temporary file and use move-if-change to update the real
 598         file where necessary.
 599
 600 2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>
 601
 602         * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
 603         rather than Upa for CPY /M.
 604
 605 2020-01-06  Andrew Stubbs  <ams@codesourcery.com>
 606
 607         * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
 608         immediate.
 609
 610 2020-01-06  Martin Liska  <mliska@suse.cz>
 611
 612     PR tree-optimization/92860
 613     * params.opt: Mark param_max_combine_insns with Optimization
 614     keyword.
 615
 616 2020-01-05  Jakub Jelinek  <jakub@redhat.com>
 617
 618         PR target/93141
 619         * config/i386/i386.md (SWIDWI): New mode iterator.
 620         (DWI, dwi): Add TImode variants.
 621         (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 622         <general_hilo_operand> instead of <general_operand>.  Use
 623         CONST_SCALAR_INT_P instead of CONST_INT_P.
 624         (*addv<mode>4_1): Rename to ...
 625         (addv<mode>4_1): ... this.
 626         (QWI): New mode attribute.
 627         (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
 628         define_insn_and_split patterns.
 629         (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
 630         patterns.
 631         (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
 632         <general_hilo_operand> instead of <general_operand>.
 633         (*addcarry<mode>_1): New define_insn.
 634         (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.
 635
 636 2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>
 637
 638         * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
 639         Use "call" instead of "set".
 640
 641 2020-01-03  Martin Jambor  <mjambor@suse.cz>
 642
 643         PR ipa/92917
 644         * ipa-cp.c (print_all_lattices): Skip functions without info.
 645
 646 2020-01-03  Jakub Jelinek  <jakub@redhat.com>
 647
 648         PR target/93089
 649         * config/i386/i386-options.c (ix86_simd_clone_adjust): If
 650         TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
 651         simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
 652         for 'e' simd clones.
 653
 654         PR target/93089
 655         * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
 656         entry.
 657         (mprefer-vector-width=): Add Save.
 658         * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
 659         -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
 660         (ix86_debug_options, ix86_function_specific_print): Adjust
 661         ix86_target_string callers.
 662         (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
 663         (ix86_valid_target_attribute_tree): Likewise.
 664         * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
 665         * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
 666         ix86_target_string caller.
 667
 668         PR target/93110
 669         * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
 670         emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
 671         instead of gen_int_shift_amount + convert_modes.
 672
 673         PR rtl-optimization/93088
 674         * loop-iv.c (find_single_def_src): Punt after looking through
 675         128 reg copies for regs with single definitions.  Move definitions
 676         to first uses.
 677
 678 2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>
 679
 680         * config/arm/arm-c.c (arm_cpu_builtins): Define
 681         __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
 682         __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
 683         __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
 684         * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
 685         * config/arm/arm-tables.opt: Regenerated.
 686         * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
 687         arm_arch_i8mm and arm_arch_bf16 when enabled.
 688         * config/arm/arm.h (TARGET_I8MM): New macro.
 689         (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
 690         * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
 691         * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
 692         * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
 693         (v8_6_a_simd_variants): New.
 694         (v8_*_a_simd_variants): Add i8mm and bf16.
 695         * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.
 696
 697 2020-01-02  Jakub Jelinek  <jakub@redhat.com>
 698
 699         PR ipa/93087
 700         * predict.c (compute_function_frequency): Don't call
 701         warn_function_cold on functions that already have cold attribute.
 702
 703 2020-01-01  John David Anglin  <danglin@gcc.gnu.org>
 704
 705         PR target/67834
 706         * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
 707         COMDAT group function labels in .data.rel.ro.local section.
 708         * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.
 709
 710         PR target/93111
 711         * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
 712         comparison_operator in B and S integer comparisons.  Likewise, use
 713         ordered_comparison_operator instead of cmpib_comparison_operator in
 714         cmpib patterns.
 715         * config/pa/predicates.md (cmpib_comparison_operator): Remove.
 716
 717 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 718
 719         Update copyright years.
 720
 721         * gcc.c (process_command): Update copyright notice dates.
 722         * gcov-dump.c (print_version): Ditto.
 723         * gcov.c (print_version): Ditto.
 724         * gcov-tool.c (print_version): Ditto.
 725         * gengtype.c (create_file): Ditto.
 726         * doc/cpp.texi: Bump @copying's copyright year.
 727         * doc/cppinternals.texi: Ditto.
 728         * doc/gcc.texi: Ditto.
 729         * doc/gccint.texi: Ditto.
 730         * doc/gcov.texi: Ditto.
 731         * doc/install.texi: Ditto.
 732         * doc/invoke.texi: Ditto.
 733
 734 2020-01-01  Jan Hubicka  <hubicka@ucw.cz>
 735
 736         * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
 737         summary.
 738
 739 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 740
 741         PR tree-optimization/93098
 742         * match.pd (popcount): For shift amounts, use integer_onep
 743         or wi::to_widest () == cst instead of tree_to_uhwi () == cst
 744         tests.  Make sure that precision is power of two larger than or equal
 745         to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
 746         instead of ULL suffixed constants.  Formatting fixes.
 747 \f
 748 Copyright (C) 2020 Free Software Foundation, Inc.
 749
 750 Copying and distribution of this file, with or without modification,
 751 are permitted in any medium without royalty provided the copyright
 752 notice and this notice are preserved.