+2025-05-30 David Malcolm <dmalcolm@redhat.com>
+
+ PR other/116792
+ * diagnostic-format-html.cc (HTML_STYLE): Add ".highlight-a" and
+ ".highlight-b".
+ (html_builder::make_element_for_diagnostic): Handle begin_color
+ and end_color.
+ * diagnostic-show-locus.cc (to_html::to_html): Add "richloc"
+ param and use it to initialize m_richloc.
+ (to_html::colorize_text_for_range_idx): Drop.
+ (to_html::get_location_range_by_idx): New.
+ (to_html::get_highlight_color_for_range_idx): New.
+ (to_html::m_richloc): New field.
+ (print_html_span_start): Update for new param of to_html ctor.
+ (line_printer::m_was_in_range_p): New field.
+ (line_printer::m_last_range_idx): New field.
+ (layout_printer<Sink>::print_source_line): Use set_in_range
+ and set_outside_range rather than colorization calls.
+ (layout_printer<Sink>::set_in_range): New.
+ (layout_printer<Sink>::set_outside_range): New.
+ (layout_printer<Sink>::print_annotation_line): Use set_in_range
+ and set_outside_range rather than colorization calls.
+ (layout_printer<to_text>::begin_label): Convert param from label
+ to state_idx. Add "is_label_text" param and use it to guard logic
+ for turning off colorization within paths.
+ (layout_printer<to_html>::begin_label): Likewise. Push <span>
+ for any highlight color.
+ (layout_printer<to_text>::end_label): Likewise.
+ (layout_printer<to_text>::end_label): Likewise, popping the
+ <span>.
+ (layout_printer<Sink>::print_any_labels): Convert begin/end_label
+ calls to pass in state_idx rather than label. Use begin/end_label
+ rather than colorization calls.
+ (layout_printer<Sink>::layout_printer): Likewise.
+ (layout_printer<Sink>::layout_printer): Initialize new fields.
+ (diagnostic_source_print_policy::print_as_html): Update for new
+ param of to_html ctor.
+
+2025-05-30 Andrew Pinski <quic_apinski@quicinc.com>
+
+ * passes.cc (execute_all_ipa_transforms): Fix typo in
+ commenet.
+
+2025-05-30 Joseph Myers <josmyers@redhat.com>
+
+ * doc/standards.texi (C Language): Document library facilities
+ provided in terms of headers not declaring functions with external
+ linkage, not in terms of headers required of freestanding
+ implementations.
+ * doc/sourcebuild.texi (Subdirectories, Headers): Likewise.
+ * doc/trouble.texi (Standard Libraries): Likewise.
+
+2025-05-30 Pan Li <pan2.li@intel.com>
+
+ * config/riscv/autovec.md (avg<v_double_trunc>3_ceil): Add insn
+ expand to leverage vaadd with rnu directly.
+
+2025-05-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/120341
+ * tree-ssa-loop-im.cc (can_sm_ref_p): STRING_CSTs are readonly.
+ * tree-ssa-phiopt.cc (cond_store_replacement): Likewise.
+
+2025-05-30 Thomas Schwinge <tschwinge@baylibre.com>
+ Richard Biener <rguenther@suse.de>
+
+ PR middle-end/119835
+ * tree-nrv.cc (pass_nrv::execute): Defuse 'RESULT_DECL' check.
+
+2025-05-30 David Malcolm <dmalcolm@redhat.com>
+
+ * diagnostic-show-locus.cc (colorizer::m_current_named_color): New
+ field.
+ (colorizer::set_named_color): Use it to consolidate repeated calls
+ to the same color.
+
+2025-05-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/120457
+ * tree-vect-slp.cc (vect_lower_load_permutations): Implement
+ the same heuristics as load vectorization for single-element
+ interleaving that spans multiple vectors.
+
+2025-05-30 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/120347
+ * rtlanal.cc (rtx_properties::try_to_add_src): Don't drop the
+ IN_MEM_LOAD and IN_MEM_STORE flags for autoinc registers.
+ * rtl-ssa/changes.cc (recog_level2): Check whether an
+ RTX_AUTOINCed register also appears outside of an address.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * gimplify.cc (gimplify_omp_ctx): Add IMPLICIT_MAPPERS field.
+ (new_omp_context): Initialise IMPLICIT_MAPPERS hash map.
+ (delete_omp_context): Delete IMPLICIT_MAPPERS hash map.
+ (instantiate_mapper_info): New structs.
+ (remap_mapper_decl_1, omp_mapper_copy_decl, omp_instantiate_mapper,
+ omp_instantiate_implicit_mappers): New functions.
+ (gimplify_scan_omp_clauses): Handle MAPPER_BINDING clauses.
+ (gimplify_adjust_omp_clauses): Instantiate implicit declared mappers.
+ (gimplify_omp_declare_mapper): New function.
+ (gimplify_expr): Call above function.
+ * langhooks-def.h (lhd_omp_mapper_lookup,
+ lhd_omp_extract_mapper_directive, lhd_omp_map_array_section): Add
+ prototypes.
+ (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
+ LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
+ LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define macros.
+ (LANG_HOOK_DECLS): Add above macros.
+ * langhooks.cc (lhd_omp_mapper_lookup,
+ lhd_omp_extract_mapper_directive, lhd_omp_map_array_section): New
+ dummy functions.
+ * langhooks.h (lang_hooks_for_decls): Add OMP_FINISH_MAPPER_CLAUSES,
+ OMP_MAPPER_LOOKUP, OMP_EXTRACT_MAPPER_DIRECTIVE, OMP_MAP_ARRAY_SECTION
+ hooks.
+ * omp-general.h (omp_name_type<T>): Add templatized struct, hash type
+ traits (for omp_name_type<tree> specialization).
+ (omp_mapper_list<T>): Add struct.
+ * tree-core.h (omp_clause_code): Add OMP_CLAUSE__MAPPER_BINDING_.
+ * tree-pretty-print.cc (dump_omp_clause): Support GOMP_MAP_UNSET,
+ GOMP_MAP_PUSH_MAPPER_NAME, GOMP_MAP_POP_MAPPER_NAME artificial mapping
+ clauses. Support OMP_CLAUSE__MAPPER_BINDING_ and OMP_DECLARE_MAPPER.
+ * tree.cc (omp_clause_num_ops, omp_clause_code_name): Add
+ OMP_CLAUSE__MAPPER_BINDING_.
+ * tree.def (OMP_DECLARE_MAPPER): New tree code.
+ * tree.h (OMP_DECLARE_MAPPER_ID, OMP_DECLARE_MAPPER_DECL,
+ OMP_DECLARE_MAPPER_CLAUSES): New defines.
+ (OMP_CLAUSE__MAPPER_BINDING__ID, OMP_CLAUSE__MAPPER_BINDING__DECL,
+ OMP_CLAUSE__MAPPER_BINDING__MAPPER): New defines.
+
+2025-05-30 Andrew Pinski <quic_apinski@quicinc.com>
+
+ * gimple-ssa-sccopy.cc (scc_copy_prop::replace_scc_by_value): Return true
+ if something was done.
+ (scc_copy_prop::propagate): Return true if something was changed.
+ (pass_sccopy::execute): Return TODO_cleanup_cfg if a prop happened.
+
+2025-05-30 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
+
+ * auto-profile.cc (function_instance::merge): New.
+ (autofdo_source_profile::read): Call merge.
+
2025-05-29 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* config/aarch64/gcc-auto-profile: Make script executable.
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * c-common.h (c_omp_region_type): Add C_ORT_DECLARE_MAPPER and
+ C_ORT_OMP_DECLARE_MAPPER codes.
+ (omp_mapper_list): Add forward declaration.
+ (c_omp_find_nested_mappers, c_omp_instantiate_mappers): Add prototypes.
+ * c-omp.cc (c_omp_find_nested_mappers): New function.
+ (remap_mapper_decl_info): New struct.
+ (remap_mapper_decl_1, omp_instantiate_mapper,
+ c_omp_instantiate_mappers): New functions.
+
2025-05-27 Alejandro Colomar <alx@kernel.org>
Martin Uecker <uecker@tugraz.at>
+2025-05-30 Qing Zhao <qing.zhao@oracle.com>
+
+ PR c/120354
+ * c-decl.cc (finish_struct): Or the results for TYPE_INCLUDES_FLEXARRAY.
+
+2025-05-30 Qing Zhao <qing.zhao@oracle.com>
+
+ PR c/120353
+ * c-decl.cc (finish_struct): Copy TYPE_INCLUDES_FLEXARRAY marking
+ to all the variant types of the current structure type.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+
+ * c-decl.cc (c_omp_mapper_id, c_omp_mapper_decl, c_omp_mapper_lookup,
+ c_omp_extract_mapper_directive, c_omp_map_array_section,
+ c_omp_scan_mapper_bindings_r, c_omp_scan_mapper_bindings): New
+ functions.
+ * c-objc-common.h (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
+ LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
+ LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define langhooks for C.
+ * c-parser.cc (c_parser_omp_clause_map): Add declare_mapper_p
+ parameter; handle mapper modifier.
+ (c_parser_omp_all_clauses): Update call to c_parser_omp_clause_map.
+ (c_parser_omp_target): Instantiate explicit mappers and record bindings
+ for implicit mappers.
+ (c_parser_omp_declare_mapper): Parse "declare mapper" directives.
+ (c_parser_omp_declare): Support "declare mapper".
+ (c_parser_omp_declare_reduction): Use inform not error_at.
+ * c-tree.h (c_omp_finish_mapper_clauses, c_omp_mapper_lookup,
+ c_omp_extract_mapper_directive, c_omp_map_array_section,
+ c_omp_mapper_id, c_omp_mapper_decl, c_omp_scan_mapper_bindings,
+ c_omp_instantiate_mappers): Add prototypes.
+ * c-typeck.cc (c_finish_omp_clauses): Handle GOMP_MAP_PUSH_MAPPER_NAME
+ and GOMP_MAP_POP_MAPPER_NAME.
+ (c_omp_finish_mapper_clauses): New function (langhook).
+
+2025-05-30 Martin Uecker <uecker@tugraz.at>
+
+ PR c/120381
+ * c-typeck.cc (composite_type_internal): Stop recursion for
+ swapped pairs.
+
2025-05-29 Sandra Loosemore <sloosemore@baylibre.com>
* c-parser.cc (c_parser_skip_to_closing_brace): New, copied from
+2025-05-30 Jason Merrill <jason@redhat.com>
+
+ PR c++/113563
+ * lambda.cc (lambda_capture_field_type): Handle 'this' normally.
+ (build_capture_proxy): Special-case 'this' by-ref capture more.
+ (nonlambda_method_basetype): Look through xobj lambdas.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * constexpr.cc (reduced_constant_expression_p): Add OMP_DECLARE_MAPPER
+ case.
+ (cxx_eval_constant_expression, potential_constant_expression_1):
+ Likewise.
+ * cp-gimplify.cc (cxx_omp_finish_mapper_clauses): New function.
+ * cp-objcp-common.h (LANG_HOOKS_OMP_FINISH_MAPPER_CLAUSES,
+ LANG_HOOKS_OMP_MAPPER_LOOKUP, LANG_HOOKS_OMP_EXTRACT_MAPPER_DIRECTIVE,
+ LANG_HOOKS_OMP_MAP_ARRAY_SECTION): Define langhooks.
+ * cp-tree.h (lang_decl_base): Add omp_declare_mapper_p field. Recount
+ spare bits comment.
+ (DECL_OMP_DECLARE_MAPPER_P): New macro.
+ (omp_mapper_id): Add prototype.
+ (cp_check_omp_declare_mapper): Add prototype.
+ (omp_instantiate_mappers): Add prototype.
+ (cxx_omp_finish_mapper_clauses): Add prototype.
+ (cxx_omp_mapper_lookup): Add prototype.
+ (cxx_omp_extract_mapper_directive): Add prototype.
+ (cxx_omp_map_array_section): Add prototype.
+ * decl.cc (check_initializer): Add OpenMP declare mapper support.
+ (cp_finish_decl): Set DECL_INITIAL for OpenMP declare mapper var decls
+ as appropriate.
+ * decl2.cc (mark_used): Instantiate OpenMP "declare mapper" magic var
+ decls.
+ * error.cc (dump_omp_declare_mapper): New function.
+ (dump_simple_decl): Use above.
+ * parser.cc (cp_parser_omp_clause_map): Add KIND parameter. Support
+ "mapper" modifier.
+ (cp_parser_omp_all_clauses): Add KIND argument to
+ cp_parser_omp_clause_map call.
+ (cp_parser_omp_target): Call omp_instantiate_mappers before
+ finish_omp_clauses.
+ (cp_parser_omp_declare_mapper): New function.
+ (cp_parser_omp_declare): Add "declare mapper" support.
+ * pt.cc (tsubst_decl): Adjust name of "declare mapper" magic var decls
+ once we know their type.
+ (tsubst_omp_clauses): Call omp_instantiate_mappers before
+ finish_omp_clauses, for target regions.
+ (tsubst_expr): Support OMP_DECLARE_MAPPER nodes.
+ (instantiate_decl): Instantiate initialiser (i.e definition) for OpenMP
+ declare mappers.
+ * semantics.cc (gimplify.h): Include.
+ (omp_mapper_id, omp_mapper_lookup, omp_extract_mapper_directive,
+ cxx_omp_map_array_section, cp_check_omp_declare_mapper): New functions.
+ (finish_omp_clauses): Delete GOMP_MAP_PUSH_MAPPER_NAME and
+ GOMP_MAP_POP_MAPPER_NAME artificial clauses.
+ (omp_target_walk_data): Add MAPPERS field.
+ (finish_omp_target_clauses_r): Scan for uses of struct/union/class type
+ variables.
+ (finish_omp_target_clauses): Create artificial mapper binding clauses
+ for used structs/unions/classes in offload region.
+
2025-05-29 David Malcolm <dmalcolm@redhat.com>
* error.cc (cxx_format_postprocessor::clone): Update to use
+2025-05-30 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/102599
+ PR fortran/114022
+ * expr.cc (simplify_complex_array_inquiry_ref): Helper function for
+ simplification of inquiry references (%re/%im) of constant complex
+ arrays.
+ (find_inquiry_ref): Use it for handling %re/%im inquiry references
+ of complex arrays.
+ (scalarize_intrinsic_call): Fix frontend memleak.
+ * primary.cc (gfc_match_varspec): When the reference is NULL, the
+ previous simplification has succeeded in evaluating inquiry
+ references also of arrays.
+
+2025-05-30 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/120355
+ * interface.cc (compare_parameter): If the global function has a
+ result clause, take typespec from there for the comparison against
+ the dummy argument.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * parse.cc (tree.h, fold-const.h, tree-hash-traits.h): Add includes
+ (for additions to omp-general.h).
+
2025-05-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/120049
+2025-05-30 David Malcolm <dmalcolm@redhat.com>
+
+ PR other/116792
+ * gcc.dg/format/diagnostic-ranges-html.py: New test script.
+ * gcc.dg/format/diagnostic-ranges.c: Add HTML generation to
+ options, and invoke the new script to check the HTML output.
+
+2025-05-30 Jason Merrill <jason@redhat.com>
+
+ PR c++/120123
+ * g++.dg/cpp23/explicit-obj-lambda18.C: New test.
+
+2025-05-30 Harald Anlauf <anlauf@gmx.de>
+
+ PR fortran/102599
+ PR fortran/114022
+ * gfortran.dg/inquiry_type_ref_8.f90: New test.
+
+2025-05-30 Jason Merrill <jason@redhat.com>
+
+ PR c++/113563
+ * g++.dg/cpp23/explicit-obj-lambda17.C: New test.
+
+2025-05-30 Qing Zhao <qing.zhao@oracle.com>
+
+ PR c/120354
+ * gcc.dg/pr120354.c: New test.
+
+2025-05-30 Qing Zhao <qing.zhao@oracle.com>
+
+ PR c/120353
+ * gcc.dg/pr120353.c: New test.
+
+2025-05-30 Pan Li <pan2.li@intel.com>
+
+ * gcc.target/riscv/rvv/autovec/avg.h: Add test helper macros.
+ * gcc.target/riscv/rvv/autovec/avg_data.h: Add test data for
+ avg_ceil.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i16-from-i32.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i16-from-i64.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i32-from-i64.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i8-from-i16.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i8-from-i32.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-1-i8-from-i64.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i16-from-i32.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i16-from-i64.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i32-from-i64.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i8-from-i16.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i8-from-i32.c: New test.
+ * gcc.target/riscv/rvv/autovec/avg_ceil-run-1-i8-from-i64.c: New test.
+
+2025-05-30 Pan Li <pan2.li@intel.com>
+
+ * gcc.target/riscv/rvv/autovec/vls/avg-4.c: Update asm check
+ to vaadd.
+ * gcc.target/riscv/rvv/autovec/vls/avg-5.c: Ditto.
+ * gcc.target/riscv/rvv/autovec/vls/avg-6.c: Ditto.
+ * gcc.target/riscv/rvv/autovec/widen/vec-avg-rv32gcv.c: Ditto.
+ * gcc.target/riscv/rvv/autovec/widen/vec-avg-rv64gcv.c: Ditto.
+
+2025-05-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/120341
+ * gcc.dg/torture/pr120341-1.c: New testcase.
+ * gcc.dg/torture/pr120341-2.c: Likewise.
+
+2025-05-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/120480
+ * gcc.dg/pr120480.c: New test.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+
+ * c-c++-common/gomp/declare-mapper-3.c: Enable for C.
+ * c-c++-common/gomp/declare-mapper-4.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-5.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-6.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-7.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-8.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-9.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-10.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-12.c: Likewise.
+ * c-c++-common/gomp/map-6.c: Update dg-error.
+ * gcc.dg/gomp/udr-3.c: Update for change to dg-note.
+ * c-c++-common/gomp/declare-mapper-11.c: New.
+ * gcc.dg/gomp/declare-mapper-10.c: New test.
+ * gcc.dg/gomp/declare-mapper-11.c: New test.
+ * gcc.dg/gomp/declare-mapper-13.c: New test.
+
+2025-05-30 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR fortran/120355
+ * gfortran.dg/interface_62.f90: New test.
+
+2025-05-30 David Malcolm <dmalcolm@redhat.com>
+
+ * g++.dg/diagnostic/bad-binary-ops-highlight-colors.C: Update
+ expected multiline output for quoted source and underlines to
+ reflect emitting color codes when changes happen, rather than
+ per character.
+ * g++.dg/diagnostic/long-short-colorization.C: Likewise.
+ * g++.dg/plugin/show-template-tree-color-labels.C: Likewise.
+ * gcc.dg/bad-binary-ops-highlight-colors.c: Likewise.
+ * gcc.dg/format/colors.c: Likewise.
+
+2025-05-30 Richard Sandiford <richard.sandiford@arm.com>
+
+ PR rtl-optimization/120347
+ * gcc.dg/torture/pr120347.c: New test.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * c-c++-common/gomp/map-6.c: Update error scan output.
+ * c-c++-common/gomp/declare-mapper-3.c: New test (only enabled for C++
+ for now).
+ * c-c++-common/gomp/declare-mapper-4.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-5.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-6.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-7.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-8.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-9.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-10.c: Likewise.
+ * c-c++-common/gomp/declare-mapper-12.c: Likewise.
+ * g++.dg/gomp/declare-mapper-1.C: New test.
+ * g++.dg/gomp/declare-mapper-2.C: New test.
+ * g++.dg/gomp/declare-mapper-3.C: New test.
+
+2025-05-30 Martin Uecker <uecker@tugraz.at>
+
+ PR c/120381
+ * gcc.dg/pr120381.c: New test.
+ * gcc.dg/gnu23-tag-composite-6.c: New test.
+
2025-05-29 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* lib/target-supports.exp: Enable autofdo tests for aarch64.
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * gomp-constants.h (gomp_map_kind): Add GOMP_MAP_UNSET,
+ GOMP_MAP_PUSH_MAPPER_NAME, GOMP_MAP_POP_MAPPER_NAME artificial mapping
+ clause types.
+
2025-05-14 Andreas Schwab <schwab@suse.de>
* libiberty.h (mkstemps): Remove duplicate.
+2025-05-30 Thomas Schwinge <tschwinge@baylibre.com>
+
+ * testsuite/libgomp.c++/target-std__valarray-1.C: New.
+ * testsuite/libgomp.c++/target-std__valarray-1.output: Likewise.
+
+2025-05-30 Thomas Schwinge <tschwinge@baylibre.com>
+
+ * testsuite/libgomp.c++/target-std__array-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__array-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__bitset-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__bitset-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__deque-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__deque-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__forward_list-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__forward_list-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__list-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__list-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__map-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__map-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__multimap-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__multimap-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__multiset-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__multiset-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__set-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__set-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__span-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__span-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__valarray-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__valarray-concurrent.C: Adjust.
+ * testsuite/libgomp.c++/target-std__vector-concurrent-usm.C: New.
+ * testsuite/libgomp.c++/target-std__vector-concurrent.C: Adjust.
+
+2025-05-30 Kwok Cheung Yeung <kcyeung@baylibre.com>
+ Thomas Schwinge <tschwinge@baylibre.com>
+
+ * testsuite/libgomp.c++/target-std__array-concurrent.C: New.
+ * testsuite/libgomp.c++/target-std__bitset-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__deque-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__flat_map-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__flat_multimap-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__flat_multiset-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__flat_set-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__forward_list-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__list-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__map-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__multimap-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__multiset-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__set-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__span-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__unordered_map-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__unordered_multimap-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__unordered_multiset-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__unordered_set-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__valarray-concurrent.C: Likewise.
+ * testsuite/libgomp.c++/target-std__vector-concurrent.C: Likewise.
+
+2025-05-30 Kwok Cheung Yeung <kcyeung@baylibre.com>
+
+ * testsuite/libgomp.c++/target-std__cmath.C: New.
+ * testsuite/libgomp.c++/target-std__complex.C: Likewise.
+ * testsuite/libgomp.c++/target-std__numbers.C: Likewise.
+
+2025-05-30 Waffl3x <waffl3x@baylibre.com>
+ Thomas Schwinge <tschwinge@baylibre.com>
+
+ * testsuite/libgomp.c++/target-flex-10.C: New test.
+ * testsuite/libgomp.c++/target-flex-100.C: New test.
+ * testsuite/libgomp.c++/target-flex-101.C: New test.
+ * testsuite/libgomp.c++/target-flex-11.C: New test.
+ * testsuite/libgomp.c++/target-flex-12.C: New test.
+ * testsuite/libgomp.c++/target-flex-2000.C: New test.
+ * testsuite/libgomp.c++/target-flex-2001.C: New test.
+ * testsuite/libgomp.c++/target-flex-2002.C: New test.
+ * testsuite/libgomp.c++/target-flex-2003.C: New test.
+ * testsuite/libgomp.c++/target-flex-30.C: New test.
+ * testsuite/libgomp.c++/target-flex-300.C: New test.
+ * testsuite/libgomp.c++/target-flex-31.C: New test.
+ * testsuite/libgomp.c++/target-flex-32.C: New test.
+ * testsuite/libgomp.c++/target-flex-33.C: New test.
+ * testsuite/libgomp.c++/target-flex-41.C: New test.
+ * testsuite/libgomp.c++/target-flex-60.C: New test.
+ * testsuite/libgomp.c++/target-flex-61.C: New test.
+ * testsuite/libgomp.c++/target-flex-62.C: New test.
+ * testsuite/libgomp.c++/target-flex-70.C: New test.
+ * testsuite/libgomp.c++/target-flex-80.C: New test.
+ * testsuite/libgomp.c++/target-flex-81.C: New test.
+ * testsuite/libgomp.c++/target-flex-90.C: New test.
+ * testsuite/libgomp.c++/target-flex-common.h: New test.
+
+2025-05-30 Thomas Schwinge <tschwinge@baylibre.com>
+ Richard Biener <rguenther@suse.de>
+
+ PR middle-end/119835
+ * testsuite/libgomp.oacc-c-c++-common/abi-struct-1.c:
+ '#pragma GCC optimize "-fno-inline"'.
+ * testsuite/libgomp.c-c++-common/target-abi-struct-1.c: New.
+ * testsuite/libgomp.c-c++-common/target-abi-struct-1-O0.c: Adjust.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+
+ * testsuite/libgomp.c-c++-common/declare-mapper-9.c: Enable for C.
+ * testsuite/libgomp.c-c++-common/declare-mapper-10.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-11.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-12.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-13.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-14.c: Likewise.
+
+2025-05-30 Julian Brown <julian@codesourcery.com>
+ Tobias Burnus <tburnus@baylibre.com>
+
+ * testsuite/libgomp.c++/declare-mapper-1.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-2.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-3.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-4.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-5.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-6.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-7.C: New test.
+ * testsuite/libgomp.c++/declare-mapper-8.C: New test.
+ * testsuite/libgomp.c-c++-common/declare-mapper-9.c: New test (only
+ enabled for C++ for now).
+ * testsuite/libgomp.c-c++-common/declare-mapper-10.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-11.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-12.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-13.c: Likewise.
+ * testsuite/libgomp.c-c++-common/declare-mapper-14.c: Likewise.
+
2025-05-29 Tobias Burnus <tburnus@baylibre.com>
PR libgomp/93226
+2025-05-30 Tomasz Kamiński <tkaminsk@redhat.com>
+
+ * testsuite/std/time/format/empty_spec.cc: New test.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h: Use __wait_result_type.
+ * include/bits/atomic_wait.h (__wait_result_type): New struct.
+ (__wait_args::_M_prep_for_wait_on): Rename to _M_setup_wait, use
+ __wait_result_type.
+ (__atomic_wait_address): Adjust to call _M_setup_wait.
+ * src/c++20/atomic.cc (__spin_impl): Use __wait_result_type.
+ (__wait_impl): Likewise.
+ (__spin_until_impl): Likewise.
+ (__wait_until_impl): Likewise.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/118494
+ PR libstdc++/110854
+ PR libstdc++/98749
+ * acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Remove checks for
+ sem_timedwait. Do not define _GLIBCXX_HAVE_POSIX_SEMAPHORE.
+ * config.h.in: Regenerate.
+ * configure: Regenerate.
+ * include/bits/semaphore_base.h (__platform_semaphore): Remove.
+ (__atomic_semaphore): Replace with __semaphore_base<bool> and
+ make type of _M_count depend on template parameter. Fix _S_max
+ constant to use correct type.
+ (__semaphore_base::_M_try_acquire): Qualify to avoid ADL.
+ (__semaphore_base::_M_release): Return old value. Remove FIXME
+ comment.
+ (__semaphore_impl): Replace typedef with alias template.
+ * include/bits/version.def (semaphore): Do not depend on
+ _GLIBCXX_HAVE_POSIX_SEMAPHORE.
+ * include/bits/version.h: Regenerate.
+ * include/std/semaphore (semaphore): Adjust type of _M_sem
+ member. Add constexpr to constructor. Add assertions to
+ (semaphore::semaphore(ptrdiff_t)): Add constexpr. Add assertion
+ for precondition.
+ (semaphore::release): Add assertion using value returned from
+ _M_release.
+ * testsuite/30_threads/semaphore/100806.cc: Increase template
+ argument for std::counting_semaphore, so constructor
+ precondition is met.
+ * testsuite/30_threads/semaphore/cons.cc: New test.
+ * testsuite/30_threads/semaphore/try_acquire_posix.cc: Remove.
+ * testsuite/30_threads/semaphore/platform_try_acquire_for.cc:
+ Removed.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/barrier (__tree_barrier_base): New class.
+ (__tree_barrier): Move non-dependent code into
+ __tree_barrier_base and derive from it.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/118395
+ PR libstdc++/108974
+ PR libstdc++/98749
+ * include/std/barrier (__tree_barrier): Use default
+ member-initializers. Change _M_state member from
+ unique_ptr<__state_t[]> to atomic<__state_t*>. Add
+ no_unique_address attribute to _M_completion.
+ (__tree_barrier::_M_arrive): Load value from _M_state.
+ (__tree_barrier::_M_invoke_completion): New member function to
+ ensure a throwing completion function will terminate, as
+ proposed in LWG 3898.
+ (__tree_barrier::max): Reduce by one to avoid overflow.
+ (__tree_barrier::__tree_barrier): Add constexpr. Qualify call to
+ std::move. Remove mem-initializers made unnecessary by default
+ member-initializers. Add precondition check. Only allocate state
+ array if not constant evaluated.
+ (__tree_barrier::arrive): Add precondition check. Do deferred
+ initialization of _M_state if needed.
+ (barrier): Add static_assert, as proposed in LWG 3898.
+ (barrier::barrier): Add constexpr.
+ * testsuite/30_threads/barrier/cons.cc: New test.
+ * testsuite/30_threads/barrier/lwg3898.cc: New test.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/latch (latch::arrive_and_wait): Optimise.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * config/abi/pre/gnu.ver: Add new symbol version and exports.
+ * include/bits/atomic_timed_wait.h (__platform_wait_until): Move
+ to atomic.cc.
+ (__cond_wait_until, __spin_until_impl): Likewise.
+ (__wait_until_impl): Likewise. Change __wait_args_base parameter
+ to non-const reference and change third parameter to
+ __wait_clock_t::duration.
+ (__wait_until): Change __wait_args_base parameter to non-const
+ reference. Change Call time_since_epoch() to get duration from
+ time_point.
+ (__wait_for): Change __wait_args_base parameter to non-const
+ reference.
+ (__atomic_wait_address_until): Call _M_prep_for_wait_on on args.
+ (__atomic_wait_address_for): Likewise.
+ (__atomic_wait_address_until_v): Qualify call to avoid ADL. Do
+ not forward __vfn.
+ * include/bits/atomic_wait.h (__platform_wait_uses_type): Use
+ alignof(T) not alignof(T*).
+ (__futex_wait_flags, __platform_wait, __platform_notify)
+ (__waitable_state, __spin_impl, __notify_impl): Move to
+ atomic.cc.
+ (__wait_impl): Likewise. Change __wait_args_base parameter to
+ non-const reference.
+ (__wait_args_base::_M_wait_state): New data member.
+ (__wait_args_base::_M_prep_for_wait_on): New member function.
+ (__wait_args_base::_M_load_proxy_wait_val): New member
+ function.
+ (__wait_args_base::_S_memory_order_for): Remove member function.
+ (__atomic_wait_address): Call _M_prep_for_wait_on on args.
+ (__atomic_wait_address_v): Qualify call to avoid ADL.
+ * src/c++20/Makefile.am: Add new file.
+ * src/c++20/Makefile.in: Regenerate.
+ * src/c++20/atomic.cc: New file.
+ * testsuite/17_intro/headers/c++1998/49745.cc: Remove XFAIL for
+ C++20 and later.
+ * testsuite/29_atomics/atomic/wait_notify/100334.cc: Remove use
+ of internal implementation details.
+ * testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.35 version.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h (__wait_until_impl): Adjust
+ to use new naming.
+ * include/bits/atomic_wait.h (__waiter_pool_impl): Rename to
+ __waitable_state.
+ (__waiter_pool_impl::_S_wait): Rename to _M_waiters.
+ (__waiter_pool_impl::_S_impl_for): Rename to _S_state_for.
+ (__waiter_pool_impl::_S_track): Adjust to use new naming.
+ (__wait_impl, __notify_impl): Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/100334.cc: Adjust to
+ use new naming.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h
+ (__atomic_wait_address_until_v): Replace __atomic_compare with
+ __atomic_eq.
+ (__atomic_wait_address_for_v): Likewise.
+ * include/bits/atomic_wait.h (__atomic_compare): Rename to
+ __atomic_eq.
+ (__atomic_wait_address_v): Replace __atomic_compare with
+ __atomic_eq.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h (__wait_until_impl): Change
+ first parameter to const void* and then static_cast to const
+ __platform_wait_t* when not using proxied wait.
+ (__wait_until): Change first parameter to const void*.
+ (__wait_for): Likewise.
+ (__atomic_wait_address_until): Remove reinterpret_cast and allow
+ address to implicitly convert to const void* instead.
+ (__atomic_wait_address_for): Likewise.
+ * include/bits/atomic_wait.h: (__wait_impl, __notify_impl):
+ Change first parameter to const void* and then static_cast to
+ const __platform_wait_t* when not using proxied wait.
+ (__atomic_wait_address, __atomic_notify_address) Remove
+ reinterpret_cast and allow address to implicitly convert to
+ const void* instead.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_wait.h (__platform_wait): Change function
+ template to a normal function. The parameter is always
+ __platform_wait_t* which is just int* for this implementation of
+ the function.
+ (__platform_notify): Likewise.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h (__to_wait_clock): Do not use
+ chrono::ceil if clock and duration are already correct type.
+ (__wait_until): Always call __to_wait_clock.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_wait.h (__notify_impl): Increment the
+ proxy value before returning early for the uncontended case.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h (__cond_wait_impl): Add
+ missing inline keyword.
+ (__spin_until_impl): Change parameter from pointer to reference.
+ Replace make_pair with list-initialization. Initialize variable
+ for return value.
+ (__wait_until_impl): Likewise. Remove some preprocessor
+ conditional logic. Use _S_track for contention tracking.
+ Avoid unnecessary const_cast.
+ (__wait_until): Change parameter from pointer to reference.
+ Replace make_pair with list-initialization.
+ (__wait_for): Change parameter from pointer to reference. Add
+ __do_spin flag to args.
+ * include/bits/atomic_wait.h (__waiter_pool_impl::_S_track): New
+ function returning an RAII object for contention tracking.
+ (__wait_flags): Do not set the __do_spin flag in the __spin_only
+ enumerator. Comment out the unused __abi_version_mask
+ enumerator. Define operator| and operator|= overloads.
+ (__wait_args_base::operator&): Define.
+ (__wait_args::operator&, __wait_args::_S_default_flags): Remove.
+ (__wait_args::operator|, __wait_args::operator|=): Remove.
+ (__spin_impl): Change parameter from pointer to reference.
+ Replace make_pair call with list-initialization.
+ (__wait_impl): Likewise. Remove some preprocessor conditional
+ logic. Always store old value in __args._M_old. Avoid
+ unnecessary const_cast. Use _S_track.
+ (__notify_impl): Change parameter to reference. Remove some
+ preprocessor conditional logic.
+ (__atomic_wait_address): Add comment. Update __args._M_old on
+ each iteration.
+ (__atomic_wait_address_v): Add comment.
+ * include/std/latch (latch::wait): Adjust predicates for new
+ logic.
+ * testsuite/29_atomics/atomic_integral/wait_notify.cc: Improve
+ test.
+
+2025-05-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_timed_wait.h: Whitespace fixes.
+ * include/bits/atomic_wait.h: Likewise.
+
+2025-05-30 Thomas Rodgers <trodgers@redhat.com>
+
+ * include/bits/atomic_timed_wait.h (__spin_until_impl): Accept
+ __wait_args as const __wait_args_base*.
+ (__wait_until_impl): Likewise.
+ (__wait_until): Likewise.
+ (__wait_for): Likewise.
+ (__atomic_wait_address_until): Pass __wait_args by address.
+ (__atomic_wait_address_for): Likewise.
+ * include/bits/atomic_wait.h (__wait_args_base): New struct.
+ (__wait_args): Derive from __wait_args_base.
+ (__wait_args::__wait_args()): Adjust ctors to call call base ctor.
+ (__wait_args::__wait_args(const __wait_args_base&)): New ctor.
+ (__wait_args::operator|=): New method.
+ (__wait_args::_S_flags_for): Change return type to
+ __wait_flags.
+ (__spin_impl): Accept __wait_args as const __wait_args_base*.
+ (__wait_impl): Likewise.
+ (__notify_impl): Likewise.
+ (__atomic_wait_address): Pass __wait_args by address.
+ (__atomic_wait_address_v): Likewise.
+ (__atomic_notify_address): Likewise.
+
+2025-05-30 Thomas Rodgers <trodgers@redhat.com>
+
+ * include/bits/atomic_timed_wait.h:
+ (__detail::__platform_wait_until_impl): Rename to
+ __platform_wait_until.
+ (__detail::__platform_wait_until): Remove previous
+ definition.
+ (__detail::__cond_wait_until_impl): Rename to
+ __cond_wait_until.
+ (__detail::__cond_wait_until): Remove previous
+ definition.
+ (__detail::__spin_until_impl): New function.
+ (__detail::__wait_until_impl): New function.
+ (__detail::__wait_until): New function.
+ (__detail::__wait_for): New function.
+ (__detail::__timed_waiter_pool): Remove type.
+ (__detail::__timed_backoff_spin_policy): Remove type.
+ (__detail::__timed_waiter): Remove type.
+ (__detail::__enters_timed_wait): Remove type alias.
+ (__detail::__bare_timed_wait): Remove type alias.
+ (__atomic_wait_address_until): Adjust to new implementation
+ detail.
+ (__atomic_wait_address_until_v): Likewise.
+ (__atomic_wait_address_bare): Remove.
+ (__atomic_wait_address_for): Adjust to new implementation
+ detail.
+ (__atomic_wait_address_for_v): Likewise.
+ (__atomic_wait_address_for_bare): Remove.
+ * include/bits/atomic_wait.h: Include bits/stl_pair.h.
+ (__detail::__default_spin_policy): Remove type.
+ (__detail::__atomic_spin): Remove function.
+ (__detail::__waiter_pool_base): Rename to __waiter_pool_impl.
+ Remove _M_notify. Rename _S_for to _S_impl_for.
+ (__detail::__waiter_base): Remove type.
+ (__detail::__waiter_pool): Remove type.
+ (__detail::__waiter): Remove type.
+ (__detail::__enters_wait): Remove type alias.
+ (__detail::__bare_wait): Remove type alias.
+ (__detail::__wait_flags): New enum.
+ (__detail::__wait_args): New struct.
+ (__detail::__wait_result_type): New type alias.
+ (__detail::__spin_impl): New function.
+ (__detail::__wait_impl): New function.
+ (__atomic_wait_address): Adjust to new implementation detail.
+ (__atomic_wait_address_v): Likewise.
+ (__atomic_notify_address): Likewise.
+ (__atomic_wait_address_bare): Delete.
+ (__atomic_notify_address_bare): Likewise.
+ * include/bits/semaphore_base.h: Adjust implementation to
+ use new __atomic_wait_address_v contract.
+ * include/std/barrier: Adjust implementation to use new
+ __atomic_wait contract.
+ * include/std/latch: Adjust implementation to use new
+ __atomic_wait contract.
+ * testsuite/29_atomics/atomic/wait_notify/100334.cc (main):
+ Adjust to for __detail::__waiter_pool_base renaming.
+
2025-05-29 Patrick Palka <ppalka@redhat.com>
* include/std/flat_map (_Flat_map_impl::operator==): Compare
projects / thirdparty / gcc.git / commitdiff
