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2025-12-17 00:16:30 +00:00
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199
gcc/ChangeLog
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2025-12-16 Iain Sandoe <iain@sandoe.co.uk>
* config/aarch64/aarch64.cc
(aarch64_function_abi): Use checking assert.
(aarch64_fndecl_abi): Test for the availability of the
machine content before trying to look up the cached PCS.
Use a checking assert.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* common.opt.urls: Regenerate.
2025-12-16 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
* config/xtensa/xtensa.cc (xtensa_expand_scc_SALT):
New sub-function that emits the SALT/SALTU instructions.
(xtensa_expand_scc): Change the part related to the SALT/SALTU
instructions to a call to the above sub-function.
2025-12-16 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
* config/xtensa/xtensa.cc
(xtensa_expand_block_set_libcall,
xtensa_expand_block_set_unrolled_loop,
xtensa_expand_block_set_small_loop, xtensa_call_tls_desc):
Change the return statement to pass the return value of
end_sequence() directly without going through a variable, and
remove the definition of that variable.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
Indu Bhagat <indu.bhagat@oracle.com>
* config/aarch64/aarch64.md (addg): Update pattern to use
addg/subg instructions.
(stg): Update pattern.
(st2g): New pattern.
(tag_memory): Likewise.
(compose_tag): Likewise.
(irq): Update pattern to accept xzr register.
(gmi): Likewise.
(UNSPECV_TAG_SPACE): Define.
* config/aarch64/aarch64.cc (AARCH64_MEMTAG_GRANULE_SIZE):
Define.
(AARCH64_MEMTAG_TAG_BITSIZE): Likewise.
(aarch64_override_options_internal): Error out if MTE instructions
are not available.
(aarch64_post_cfi_startproc): Emit .cfi_mte_tagged_frame.
(aarch64_can_tag_addresses): Add MEMTAG specific handling.
(aarch64_memtag_tag_bitsize): New function
(aarch64_memtag_granule_size): Likewise.
(aarch64_memtag_insert_random_tag): Likwise.
(aarch64_memtag_add_tag): Likewise.
(aarch64_memtag_extract_tag): Likewise.
(aarch64_granule16_memory_address_p): Likewise.
(aarch64_emit_stxg_insn): Likewise.
(aarch64_memtag_tag_memory_via_loop): New definition.
(aarch64_expand_tag_memory): Likewise.
(aarch64_check_memtag_ops): Likewise.
(TARGET_MEMTAG_TAG_BITSIZE): Likewise.
(TARGET_MEMTAG_GRANULE_SIZE): Likewise.
(TARGET_MEMTAG_INSERT_RANDOM_TAG): Likewise.
(TARGET_MEMTAG_ADD_TAG): Likewise.
(TARGET_MEMTAG_EXTRACT_TAG): Likewise.
* config/aarch64/aarch64-builtins.cc
(aarch64_expand_builtin_memtag): Update set tag builtin logic.
* config/aarch64/aarch64-linux.h: Pass memtag-stack sanitizer
specific options to the linker.
* config/aarch64/aarch64-protos.h
(aarch64_granule16_memory_address_p): New prototype.
(aarch64_check_memtag_ops): Likewise.
(aarch64_expand_tag_memory): Likewise.
* config/aarch64/constraints.md (Umg): New memory constraint.
(Uag): New constraint.
(Ung): Likewise.
* config/aarch64/predicates.md (aarch64_memtag_tag_offset):
Refactor it.
(aarch64_granule16_imm6): Rename from aarch64_granule16_uimm6 and
refactor it.
(aarch64_granule16_memory_operand): New constraint.
* config/aarch64/iterators.md (MTE_PP): New code iterator to be
used for mte instructions.
(stg_ops): New code attributes.
(st2g_ops): Likewise.
(mte_name): Likewise.
* config/aarch64/aarch64.opt (aarch64-tag-memory-loop-threshold):
New parameter.
* doc/invoke.texi: Update documentation.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
Indu Bhagat <indu.bhagat@oracle.com>
* asan.cc (handle_builtin_stack_restore): Accommodate MEMTAG
sanitizer.
(handle_builtin_alloca): Expand differently if MEMTAG sanitizer.
(get_mem_refs_of_builtin_call): Include MEMTAG along with
HWASAN.
(memtag_sanitize_stack_p): New definition.
(memtag_sanitize_allocas_p): Likewise.
(memtag_memintrin): Likewise.
(hwassist_sanitize_p): Likewise.
(hwassist_sanitize_stack_p): Likewise.
(report_error_func): Include MEMTAG along with HWASAN.
(build_check_stmt): Likewise.
(instrument_derefs): MEMTAG too does not deal with globals yet.
(instrument_builtin_call): Include MEMTAG along with HWASAN.
(maybe_instrument_call): Likewise.
(asan_expand_mark_ifn): Likewise.
(asan_expand_check_ifn): Likewise.
(asan_expand_poison_ifn): Expand differently if MEMTAG sanitizer.
(asan_instrument): Include MEMTAG along with HWASAN.
(hwasan_emit_prologue): Expand differently if MEMTAG sanitizer.
(hwasan_emit_untag_frame): Likewise.
* asan.h (memtag_sanitize_stack_p): New declaration.
(memtag_sanitize_allocas_p): Likewise.
(hwassist_sanitize_p): Likewise.
(hwassist_sanitize_stack_p): Likewise.
(asan_sanitize_use_after_scope): Include MEMTAG along with
HWASAN.
* cfgexpand.cc (align_local_variable): Likewise.
(expand_one_stack_var_at): Likewise.
(expand_stack_vars): Likewise.
(expand_one_stack_var_1): Likewise.
(init_vars_expansion): Likewise.
(expand_used_vars): Likewise.
(pass_expand::execute): Likewise.
* gimplify.cc (asan_poison_variable): Likewise.
* internal-fn.cc (expand_HWASAN_ALLOCA_POISON): New definition.
(expand_HWASAN_ALLOCA_UNPOISON): Expand differently if MEMTAG
sanitizer.
(expand_HWASAN_MARK): Likewise.
* internal-fn.def (HWASAN_ALLOCA_POISON): Define new.
* params.opt: Document new param.
* sanopt.cc (pass_sanopt::execute): Include MEMTAG along with
HWASAN.
* gcc.cc (sanitize_spec_function): Add check for memtag-stack.
* doc/tm.texi: Regenerate.
* target.def (extract_tag): Update documentation.
(add_tag): Likewise.
(insert_random_tag): Likewise.
2025-12-16 Indu Bhagat <indu.bhagat@oracle.com>
Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
* builtins.def: Adjust the macro to include the new
SANTIZIE_MEMTAG_STACK.
* flag-types.h (enum sanitize_code): Add new enumerator for
SANITIZE_MEMTAG and SANITIZE_MEMTAG_STACK.
* opts.cc (finish_options): memtag-stack sanitizer conflicts with
hwaddress and address sanitizers.
(sanitizer_opts): Add new memtag-stack sanitizer.
(parse_sanitizer_options): memtag-stack sanitizer cannot recover.
* params.opt: Add new params for memtag-stack sanitizer.
* doc/invoke.texi: Update documentation.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
* target-insns.def (compose_tag): New target instruction.
* doc/md.texi (compose_tag): Add documentation.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
* target-insns.def (tag_memory): New target instruction.
* doc/md.texi (tag_memory): Add documentation.
2025-12-16 Jennifer Schmitz <jschmitz@nvidia.com>
* config/aarch64/aarch64.md: Include olympus.md.
* config/aarch64/olympus.md: New file.
* config/aarch64/tuning_models/olympus.h: Add dispatch
constraints and enable dispatch scheduling.
2025-12-16 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
* haifa-sched.cc (choose_ready): Don't require dfa_lookahead <= 0
to schedule SCHED_GROUP_P insns first.
2025-12-16 Richard Biener <rguenther@suse.de>
PR ipa/122456
* cgraph.cc (cgraph_edge::resolve_speculation): Handle
a NULL symtab_node::get (callee_decl).
2025-12-16 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123110
* tree-cfgcleanup.cc (maybe_remove_forwarder_block): Add back
check for eh landing pad or non-local dest on the dest.
2025-12-16 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123111
* tree-cfg.cc (ifconvertable_edge): New function.
(make_forwarders_with_degenerate_phis): Add skip_ifcvtable argument,
check ifconvertable_edge if skip_ifcvtable is true.
* tree-cfg.h (make_forwarders_with_degenerate_phis): New argument
with default of false.
* tree-cfgcleanup.cc (execute_cleanup_cfg_post_optimizing): Update
argument to make_forwarders_with_degenerate_phis.
2025-12-15 Martin Jambor <mjambor@suse.cz>
PR ipa/107666

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20251216
20251217

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gcc/algol68/ChangeLog
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2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* a68-parser-bottom-up.cc (reduce_prelude_packet): Do not support
multiple module definitions per packet.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* lang.opt.urls: Regenerate.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* lang.opt (-fmodules-map): New option.
(-fmodules-map-file): Likewise.
* a68.h: Add prototype for a68_process_module_map.
* a68-imports.cc (SKIP_WHITESPACES): Define.
(PARSE_BASENAME): Likewise.
(PARSE_INDICANT): Likewise.
(a68_process_module_map): New function.
* a68-lang.cc: (a68_init): Move initialization of
A68_MODULE_FILES from there...
(a68_init_options): to here.
(a68_handle_option): Handle OPT_fmodules_map and
OPT_fmodules_map_.
* a68-parser-pragmat.cc (handle_access_in_pragmat): Normalize
module indicants to upper case.
* ga68.texi (Module search options): New section.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* a68.h: Prototypes for a68_get_file_size and a68_file_read.
* a68-parser-scanner.cc (a68_file_size): New function.
(a68_file_read): Renamed from io_read.
(get_source_size): Deleted function.
(include_files): Use a68_file_size and a68_file_read.
2025-12-16 Mohammad-Reza Nabipoor <mnabipoor@gnu.org>
* a68-imports.cc (dump_encoded_mode): Replace "basic" with
"string".
2025-12-15 Mohammad-Reza Nabipoor <mnabipoor@gnu.org>
* ga68-exports.pk (ga68_text_reloc_64): Renamed and

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gcc/analyzer/ChangeLog
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2025-12-16 David Malcolm <dmalcolm@redhat.com>
PR analyzer/123136
* engine.cc
(strongly_connected_components::strongly_connected_components):
Consistently use size_t.
(strongly_connected_components::dump): Likewise.
(strongly_connected_components::to_json): Likewise.
(exploded_graph::print_bar_charts): Likewise.
(exploded_path::feasible_p): Remove unused locals.
(exploded_graph_annotator::exploded_graph_annotator): Use size_t
for iterator var.
(impl_run_checkers): Drop logger param of engine ctor.
* ops.cc (phis_for_edge_op::maybe_make): Drop unused param of
phis_for_edge_op ctor.
(phis_for_edge_op::phis_for_edge_op): Likewise.
* ops.h (operation::~operation): Make virtual.
(control_flow_op::dyn_cast_control_flow_op): Add "final override".
(phis_for_edge_op::phis_for_edge_op): Drop unused param.
(phis_for_edge_op::m_cfg_in_edge): Drop unused field.
* region-model.cc (engine::engine): Drop unused "logger" param.
* region-model.h (engine::engine): Likewise.
* supergraph-fixup-locations.cc (location_fixer::location_fixer):
Drop m_sg field.
(location_fixer::m_sg): Drop unused field.
(location_fixer::m_purge_map): Drop unused field.
* supergraph-sorting.cc (class sorting_worklist): Drop unused
m_worklist field.
2025-12-16 David Malcolm <dmalcolm@redhat.com>
* supergraph.cc (supernode::dump_dot): Escape filename.
2025-12-16 David Malcolm <dmalcolm@redhat.com>
PR analyzer/122003
* checker-event.cc (return_event::get_program_state): New.
* checker-event.h (return_event::get_program_state): New decl.
2025-12-15 David Malcolm <dmalcolm@redhat.com>
PR analyzer/123085

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gcc/testsuite/ChangeLog
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2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
PR algol68/123131
* algol68/compile/modules/compile.exp: Pass module include path
via extra_flags to algol68-dg-runtest.
* algol68/execute/modules/execute.exp: Pass module include path
via algol68_compile_args.
* lib/algol68-dg.exp (MODULES_OPTIONS): Delete.
(algol68-dg-runtest): Do not use MODULE_OPTIONS.
* lib/algol68-torture.exp (BUILT_MODULES_DIR): Delete.
(algol68-torture-execute): Do not use BUILT_MODULES_DIR.
2025-12-16 David Malcolm <dmalcolm@redhat.com>
PR diagnostics/123142
* gcc.dg/plugin/diagnostic-test-graphs-html.c: Add
dg-require-dot directive.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* algol68/compile/error-compile-unknown-tag-1.a68: Use a single
module per packet.
* algol68/compile/error-module-coercions-1.a68: Likewise.
* algol68/compile/error-module-ranges-1.a68: Likewise.
* algol68/compile/module-2.a68: Likewise.
* algol68/compile/module-pub-mangling-1.a68: Likewise.
* algol68/compile/module-pub-mangling-2.a68: Likewise.
* algol68/compile/module-pub-mangling-3.a68: Likewise.
* algol68/compile/module-pub-mangling-4.a68: Likewise.
* algol68/compile/module-pub-mangling-5.a68: Likewise.
* algol68/compile/module-pub-mangling-6.a68: Likewise.
* algol68/compile/warning-module-hidding-1.a68: Likewise.
2025-12-16 Jose E. Marchesi <jose.marchesi@oracle.com>
* algol68/execute/modules/Modules20.map: New file.
* algol68/execute/modules/module-bar.a68: New file.
* algol68/execute/modules/module-foo.a68: New file.
* algol68/execute/modules/program-19.a68: New file.
* algol68/execute/modules/program-20.a68: New file.
2025-12-16 Richard Biener <rguenther@suse.de>
PR testsuite/123137
* g++.dg/vect/pr64410.cc: Add -mfpmath=sse -msse on x86.
2025-12-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* gcc.target/i386/shift-gf2p8affine-2.c: Skip on Solaris
without gas.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
Indu Bhagat <indu.bhagat@oracle.com>
* gcc.target/aarch64/memtag/alloca-1.c: New test.
* gcc.target/aarch64/memtag/alloca-2.c: New test.
* gcc.target/aarch64/memtag/alloca-3.c: New test.
* gcc.target/aarch64/memtag/arguments-1.c: New test.
* gcc.target/aarch64/memtag/arguments-2.c: New test.
* gcc.target/aarch64/memtag/arguments-3.c: New test.
* gcc.target/aarch64/memtag/arguments-4.c: New test.
* gcc.target/aarch64/memtag/arguments.c: New test.
* gcc.target/aarch64/memtag/basic-1.c: New test.
* gcc.target/aarch64/memtag/basic-3.c: New test.
* gcc.target/aarch64/memtag/basic-struct.c: New test.
* gcc.target/aarch64/memtag/large-array.c: New test.
* gcc.target/aarch64/memtag/local-no-escape.c: New test.
* gcc.target/aarch64/memtag/memtag.exp: New file.
* gcc.target/aarch64/memtag/no-sanitize-attribute.c: New test.
* gcc.target/aarch64/memtag/value-init.c: New test.
* gcc.target/aarch64/memtag/vararray-gimple.c: New test.
* gcc.target/aarch64/memtag/vararray.c: New test.
* gcc.target/aarch64/memtag/zero-init.c: New test.
* gcc.target/aarch64/memtag/texec-1.c: New test.
* gcc.target/aarch64/memtag/texec-2.c: New test.
* gcc.target/aarch64/memtag/texec-3.c: New test.
* gcc.target/aarch64/memtag/vla-1.c: New test.
* gcc.target/aarch64/memtag/vla-2.c: New test.
* lib/target-supports.exp (check_effective_target_aarch64_mte):
New function.
* gcc.target/aarch64/memtag/cfi-mte-memtag-frame-1.c: New file.
* gcc.target/aarch64/memtag/mte-sig.h: New file.
2025-12-16 Claudiu Zissulescu <claudiu.zissulescu-ianculescu@oracle.com>
Indu Bhagat <indu.bhagat@oracle.com>
* gcc.target/aarch64/acle/memtag_1.c: Update test.
2025-12-16 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123110
* gcc.dg/pr123110-1.c: New test.
2025-12-15 Martin Jambor <mjambor@suse.cz>
* gcc.dg/lto/fnptr-from-rec-1_0.c: New test.

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2025-12-16 Pietro Monteiro <pietro@sociotechnical.xyz>
* ga68-unistr.c (_libga68_u32_cmp): Add `static' specifier.
* ga68.h (_libga68_u32_cmp): Remove prototype.
2025-11-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* Makefile.am: New file.

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libstdc++-v3/ChangeLog
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2025-12-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (_Integer_kind): New enum type.
(__is_integral_helper::_S_kind): New static data member in
primary template and each explicit specialization.
(__is_signed_integer, __is_unsigned_integer): Use _S_kind
instead of O(n) disjunction with is_same.
2025-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/122907
* include/bits/cpp_type_traits.h (__memcpyable_integer<bool>):
Define as false.
* testsuite/25_algorithms/copy/122907.cc: New test.
2025-12-16 Jonathan Wakely <jwakely@redhat.com>
* testsuite/lib/libstdc++.exp (dg-v3-runtest) Set default_std to
20.
2025-12-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/chrono (chrono::__detail::__get_leap_second_info):
Update expiry date for leap seconds list.
* src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds):
Likewise.
* src/c++20/tzdata.zi: Import new file from 2025c release.
2025-12-16 Nathan Myers <ncm@cantrip.org>
PR libstdc++/119739
* include/bits/random.tcc: Add generate_canonical impl for C++26.
* testsuite/26_numerics/random/uniform_real_distribution/operators/64351.cc:
Adapt test for both pre- and post- C++26.
* testsuite/26_numerics/random/uniform_real_distribution/operators/gencanon.cc:
Test for float and double from 32-bit RNG, including 1.0 do-over.
2025-12-16 Patrick Palka <ppalka@redhat.com>
PR libstdc++/113299
* include/bits/deque.tcc (__copy_move_a1): Constrain with
__is_any_random_access_iter instead of __is_random_access_iter.
(__copy_move_backward_a1): Likewise.
(__equal_aux1): Likewise.
* include/bits/stl_algo.h (__search_n): Use
__iter_concept_or_category instead of __iterator_category
or iterator_traits::iterator_category.
(find_end): Likewise.
(__is_permutation): Likewise.
(for_each_n): Likewise.
(unique_copy): Likewise, for constant iterators.
(sample): Likewise, for constant iterators.
* include/bits/stl_algobase.h (__copy_move_a1): Adjust
deque-based forward declaration accordingly.
(__copy_move_backward_a1): Likewise.
(__equal_aux1): Likewise.
(__lexicographical_compare_impl): Use
__iter_concept_or_category instead of __iterator_category or
iterator_traits::iterator_category.
(__equal4): Likewise.
* include/bits/stl_iterator_base_funcs.h
(__iter_concept_or_category): New.
(__is_any_random_access_iter): New.
(_GLIBCXX_ITER_MOVE): New.
* include/bits/stl_uninitialized.h (uninitialized_copy_n):
Use __iterator_concept_or_category instead of
__iterator_category for the constant iterator __first.
(__uninitialized_copy_n_pair): Likewise.
* include/bits/version.def (algorithm_iterator_requirements):
Define.
* include/bits/version.h: Regenerate.
* include/std/algorithm: Provide the FTM
__cpp_lib_algorithm_iterator_requirements.
* include/std/memory: Likewise.
* include/std/numeric: Likewise. Include
<bits/stl_iterator_base_funcs.h>.
(reduce): Use __is_any_random_access_iter instead of
__is_random_access_iter.
(transform_reduce): Likewise.
(inclusive_scan): Use _GLIBCXX_ITER_MOVE instead of std::move.
* testsuite/25_algorithms/find_end/c++20_iter.cc: New test.
* testsuite/25_algorithms/sample/c++20_iter.cc: New test.
* testsuite/25_algorithms/search_n/c++20_iter.cc: New test.
* testsuite/25_algorithms/unique_copy/c++20_iter.cc: New test.
* testsuite/26_numerics/inclusive_scan/c++20_iter.cc: New test.
2025-12-12 Luc Grosheintz <luc.grosheintz@gmail.com>
* include/std/mdspan (submdspan): Fix missing '::template'.

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maintainer-scripts/ChangeLog
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2025-12-16 Pietro Monteiro <pietro@sociotechnical.xyz>
* update_web_docs_git (MANUALS): Add ga68 and ga68-internals.
2025-09-01 Gerald Pfeifer <gerald@pfeifer.com>
* update_web_docs_libstdcxx_git: Copy our "inner" documentation