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gcc-reflection/gcc/ChangeLog
GCC Administrator 460edeb8be Daily bump.
2026-01-14 00:16:30 +00:00

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2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* match.pd (`(T1)(a bit_op (T2)b)`): Remove redundant
type checks.
2026-01-13 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
PR tree-optimization/123109
* fold-const.cc (fold_binary_loc): Remove (X >> C) NE/EQ 0 -> X LT/GE 0
folding.
* match.pd (`(X >> C) NE/EQ 0 -> X LT/GE 0`): New pattern.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/119402
* match.pd (`(a*zero_one_valued_p) & b`): New pattern.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR rtl-optimization/123312
* ifcvt.cc (noce_try_cond_zero_arith): Rename to ...
(noce_try_cond_arith): This. For AND try `cmp ? a : -1`
also to see which one cost less.
(noce_process_if_block): Handle the rename.
2026-01-13 Jonathan Yong <10walls@gmail.com>
* config/i386/winnt-utf8.manifest: enable longPathAware.
2026-01-13 Jonathan Yong <10walls@gmail.com>
PR driver/108865
* config/i386/winnt-utf8.manifest: correct XML tags
2026-01-13 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR tree-optimization/123530
* match.pd (reassociating xor to enable rotations): Verify constants
fit into a uhwi before trying to extract them as a uhwi.
2026-01-13 Richard Biener <rguenther@suse.de>
PR middle-end/123573
* fold-const.cc (fold_vec_perm): Actually check, not assert,
that input and output vector element numbers agree.
* match.pd (vec_perm @0 @1 @2): Make sure element numbers
are the same when folding to an input vector and wrap that
inside a VIEW_CONVERT_EXPR.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123525
* tree-ssa-forwprop.cc (simplify_vector_constructor): Use
converted source type for conversion bit field ref.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123301
* tree-if-conv.cc (convert_scalar_cond_reduction):
Disallow vector types.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR rtl-optimization/123501
PR rtl-optimization/123444
* rtlanal.cc (nonzero_bits1): Use operand mode instead of
operation mode.
2026-01-13 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/123396
* configure.ac (gcc_cv_ld_use_as_needed_ldscript): New test.
(USE_LD_AS_NEEDED_LDSCRIPT): New AC_DEFINE.
* gcc.cc (LINK_LIBATOMIC_SPEC): Use "-latomic_asneeded" instead
of LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION
if USE_LD_AS_NEEDED_LDSCRIPT is defined.
(init_gcc_specs): Use "-lgcc_s_asneeded" instead of
LD_AS_NEEDED_OPTION " -lgcc_s " LD_NO_AS_NEEDED_OPTION
if USE_LD_AS_NEEDED_LDSCRIPT is defined.
* config.in: Regenerate.
* configure: Regenerate.
2026-01-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/123539
* tree-vect-loop.cc (vect_create_epilog_for_reduction):
Use the compute vectype to pun down to smaller or element
size for by-element reductions.
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
* tree-ssa-sccvn.cc (vn_walk_cb_data::push_partial_def): Use
build_bitint_type for BITINT_TYPE when maxsizei exceeds
MAX_FIXED_MODE_SIZE.
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
PR target/117581
* config/riscv/riscv.cc (riscv_bitint_type_info): New function.
(TARGET_C_BITINT_TYPE_INFO): Define.
2026-01-13 liuhongt <hongtao.liu@intel.com>
PR target/123484
* config/i386/mmx.md (divv4hf3): Add TARGET_MMX_WITH_SSE to
the condition.
(cmlav4hf4): Ditto.
(cmla_conjv4hf4): Ditto.
(cmulv4hf3): Ditto.
(cmul_conjv4hf3): Ditto.
2026-01-12 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/122845
PR tree-optimization/122843
* match.pd (`(T1)(a bit_op (T2)b)`): Also
simplify if T1 is the same type as b and T2 is wider
type than T1.
2026-01-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/123528
* tree-vect-patterns.cc (vect_recog_bool_pattern): Restore
INTEGRAL_TYPE_P check but also allow SCALAR_FLOAT_TYPE_P.
2026-01-12 Martin Jambor <mjambor@suse.cz>
PR ipa/123543
* ipa-cp.cc (propagate_bits_across_jump_function): Fix test for
recipient_only_p.
2026-01-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/122830
PR tree-optimization/122824
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Generalize
aggregate copy handling when no variable offsets are
involved.
2026-01-12 Richard Biener <rguenther@suse.de>
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Only tentatively
accumulate extra_off when tentatively consuming components
during aggregate copy handling.
2026-01-12 Richard Biener <rguenther@suse.de>
PR middle-end/123175
* match.pd (vec_perm @0 @1 @2): Fixup for inputs having a
different number of elements than the result.
* tree-vect-generic.cc (lower_vec_perm): Likewise.
2026-01-12 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/123523
* simplify-rtx.cc (simplify_const_binary_operation): Use
DImode for VOIDmode shift and truncation counts if int_mode
is narrower than HOST_BITS_PER_WIDE_INT rather than
word_mode if int_mode it is narrower than BITS_PER_WORD.
2026-01-12 Dhruv Chawla <dhruvc@nvidia.com>
* auto-profile.cc (autofdo_source_profile::offline_unrealized_inlines):
Add missing check for in_map.
2026-01-11 Michal Jires <mjires@suse.cz>
* asm-toplevel.cc (mark_fragile_ref_by_asm):
Add marked_local to handle symbol as local.
(ipa_asm_heuristics): New.
(class pass_ipa_asm): New.
(make_pass_ipa_asm_lgen): New.
(make_pass_ipa_asm_wpa): New.
* common.opt: New flto-toplevel-asm-heuristics.
* passes.def: New asm passes.
* timevar.def (TV_IPA_LTO_ASM): New.
* tree-pass.h (make_pass_ipa_asm_lgen): New.
(make_pass_ipa_asm_wpa): New.
2026-01-11 Michal Jires <mjires@suse.cz>
* asm-toplevel.cc (mark_fragile_ref_by_asm): New.
(struct constraint_data): New.
(walk_through_constraints): Handle .local definitions.
(analyze_toplevel_extended_asm): Propagate constraint_data.
2026-01-11 Michal Jires <mjires@suse.cz>
* cgraph.h: Add must_remain_in_tu_*.
* cgraphclones.cc (cgraph_node::create_clone): Propagate
must_remain_in_tu_body.
* cif-code.def (MUST_REMAIN_IN_TU): New.
* ipa-icf.cc (sem_function::equals_wpa): Check
must_remain_in_tu_*
(sem_variable::equals_wpa): Likewise.
* ipa-inline-transform.cc (inline_call): Propagate
must_remain_in_tu_body.
* ipa-inline.cc (can_inline_edge_p): Check
must_remain_in_tu_body.
* lto-cgraph.cc (lto_output_node): Output must_remain_in_tu_*
(lto_output_varpool_node): Likewise.
(input_overwrite_node): Input must_remain_in_tu_*.
(input_varpool_node): Likewise.
* tree.cc (decl_address_ip_invariant_p): Check
must_remain_in_tu_name.
* varpool.cc (varpool_node::ctor_useable_for_folding_p): Check
must_remain_in_tu_body.
2026-01-11 Michal Jires <mjires@suse.cz>
* lto-cgraph.cc (compute_ltrans_boundary): Add symbols
referenced from asm_nodes.
* lto-streamer-out.cc (lto_output): Move adding asm_nodes
to...
* passes.cc (ipa_write_summaries): ...here.
2026-01-11 Michal Jires <mjires@suse.cz>
* ipa-free-lang-data.cc (find_decls_types_in_asm): New.
(free_lang_data_in_cgraph): Use find_decls_types_in_asm.
* lto-cgraph.cc (input_cgraph_1): Move asm to..
(input_toplevel_asms): ..here.
* lto-streamer-in.cc (lto_input_toplevel_asms):
Allow extended asm.
* lto-streamer-out.cc (lto_output_toplevel_asms):
Allow extended asm.
(lto_output_toplevel_asms): Allow ASM_EXPR.
* lto-streamer.h (input_toplevel_asms): New.
2026-01-11 Michal Jires <mjires@suse.cz>
PR ipa/122458
* Makefile.in: Add new file.
* cgraph.h (analyze_toplevel_extended_asm): New.
* cgraphunit.cc (symbol_table::finalize_compilation_unit):
Call analyze_toplevel_extended_asm.
* asm-toplevel.cc: New file.
2026-01-11 Michal Jires <mjires@suse.cz>
* cgraph.cc (cgraph_node_cannot_be_local_p_1): Check ref_by_asm.
(cgraph_node::verify_node): Likewise.
* cgraph.h (cgraph_node::only_called_directly_or_aliased_p):
Likewise.
(cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
Likewise.
(varpool_node::can_remove_if_no_refs_p): Likewise.
(varpool_node::all_refs_explicit_p): Likewise.
* cgraphunit.cc (symtab_node::needed_p): Likewise.
(analyze_functions): Likewise.
* gimple-ssa-pta-constraints.cc (refered_from_nonlocal_fn):
Likewise.
(refered_from_nonlocal_var): Likewise.
(ipa_create_global_variable_infos): Likewise.
* ipa-comdats.cc (ipa_comdats): Likewise.
* ipa-visibility.cc (cgraph_externally_visible_p): Likewise.
(varpool_node::externally_visible_p): Likewise.
* ipa.cc (symbol_table::remove_unreachable_nodes): Likewise.
* lto-cgraph.cc (lto_output_node): Output ref_by_asm.
(lto_output_varpool_node): Likewise.
(input_overwrite_node): Input ref_by_asm.
(input_varpool_node): Likewise.
* symtab.cc (address_matters_1): Check ref_by_asm.
2026-01-11 Hans-Peter Nilsson <hp@axis.com>
* config/cris/cris.cc (cris_rtx_costs) <POST_INC>: Handle POST_INC
as ZERO_EXTEND and SIGN_EXTEND, i.e. as an operator without cost.
2026-01-10 Jeff Law <jeffrey.law@oss.qualcomm.com>
* config/mcore/mcore.h (ASM_OUT_ADDR_DIFF_ELT): Remove.
2026-01-10 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* config/s390/s390-modes.def (FLOAT_MODE): Add HF mode.
(VECTOR_MODE): Add V{1,2,4,8,16}HF modes.
* config/s390/s390.cc (s390_scalar_mode_supported_p): For 64-bit
targets z10 and newer support HF mode.
(s390_vector_mode_supported_p): Add HF mode.
(s390_register_move_cost): Keep HF mode operands in registers.
(s390_legitimate_constant_p): Support zero constant.
(s390_secondary_reload): For GPR to FPR moves a secondary reload
register is required.
(s390_secondary_memory_needed): GPR<->FPR moves don't require
secondary memory.
(s390_libgcc_floating_mode_supported_p): For 64-bit targets z10
and newer support HF mode.
(s390_hard_regno_mode_ok): Allow HF mode for FPRs and VRs.
(s390_function_arg_float): Consider HF mode, too.
(s390_excess_precision): For EXCESS_PRECISION_TYPE_FLOAT16
return FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16.
(TARGET_LIBGCC_FLOATING_MODE_SUPPORTED_P): Define.
* config/s390/s390.md (movhf): Define.
(reload_half_gprtofpr_z10): Define.
(signbithf2): Define.
* config/s390/vector.md: Add new vector modes to various
iterators.
2026-01-10 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123417
* tree-cfgcleanup.cc (maybe_remove_forwarder_block): Always
protect latches.
2026-01-10 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123431
* gimple-range-op.cc (gimple_range_op_handler::maybe_builtin_call):
Punt if type-generic builtins with a single argument don't have
exactly one argument. For returns_arg punt if call doesn't have
at least one argument.
2026-01-09 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123414
* tree-ssa-forwprop.cc (simplify_vector_constructor):
Use ssizetype as mask type.
2026-01-09 Jakub Jelinek <jakub@redhat.com>
* config/loongarch/genopts/gen-evolution.awk: Update
copyright year.
(copyright_header): Separate parts of Copyright word
with " " so that it doesn't get matched by update-copyright.py.
(gen_full_header, gen_full_source, gen_full_def): Include
2026 year in the ranges.
2026-01-09 David Malcolm <dmalcolm@redhat.com>
* channels.h (gcc::topics::analyzer_events::subscriber): New
forward decl.
(compiler_channels::analyzer_events_channel): New field.
* doc/plugins.texi (PLUGIN_ANALYZER_INIT): Delete.
* plugin.cc (register_callback): Delete PLUGIN_ANALYZER_INIT.
(invoke_plugin_callbacks_full): Likewise.
* plugin.def (PLUGIN_ANALYZER_INIT): Delete this event.
2026-01-09 David Malcolm <dmalcolm@redhat.com>
* Makefile.in (OBJS): Add tree-diagnostic-cfg.o.
(OBJS-libcommon): Add custom-sarif-properties/cfg.o,
diagnostics/digraphs-to-dot.o, and
diagnostics/digraphs-to-dot-from-cfg.o.
* cfghooks.cc: Define INCLUDE_VECTOR. Add includes of
"diagnostics/sarif-sink.h" and "custom-sarif-properties/cfg.h".
(dump_bb_as_sarif_properties): New.
* cfghooks.h (diagnostics::sarif_builder): New forward decl.
(json::object): New forward decl.
(cfg_hooks::dump_bb_as_sarif_properties): New callback field.
(dump_bb_as_sarif_properties): New decl.
* cfgrtl.cc (rtl_cfg_hooks): Populate the new callback
field with rtl_dump_bb_as_sarif_properties.
(cfg_layout_rtl_cfg_hooks): Likewise.
* custom-sarif-properties/cfg.cc: New file.
* custom-sarif-properties/cfg.h: New file.
* diagnostics/digraphs-to-dot-from-cfg.cc: New file, partly
adapted from gcc/graph.cc.
* diagnostics/digraphs-to-dot.cc: New file.
* diagnostics/digraphs-to-dot.h: New file, based on material in...
* diagnostics/digraphs.cc: Include
"diagnostics/digraphs-to-dot.h".
(class conversion_to_dot): Rework and move to above.
(make_dot_graph_from_diagnostic_graph): Likewise.
(make_dot_node_from_digraph_node): Likewise.
(make_dot_edge_from_digraph_edge): Likewise.
(conversion_to_dot::get_dot_id_for_node): Likewise.
(conversion_to_dot::has_edges_p): Likewise.
(digraph::make_dot_graph): Use to_dot::converter::make and invoke
the result to make the dot graph.
* diagnostics/digraphs.h (digraph:get_all_nodes): New accessor.
* diagnostics/html-sink.cc
(html_builder::m_per_logical_loc_graphs): New field.
(html_builder::add_graph_for_logical_loc): New.
(html_sink::report_digraph_for_logical_location): New.
* diagnostics/sarif-sink.cc (sarif_array_of_unique::get_element):
New.
(sarif_builder::report_digraph_for_logical_location): New.
(sarif_sink::report_digraph_for_logical_location): New.
* diagnostics/sink.h: Include "diagnostics/logical-locations.h".
(sink::report_digraph_for_logical_location): New vfunc.
* diagnostics/text-sink.h
(text_sink::report_digraph_for_logical_location): New.
* doc/invoke.texi (fdiagnostics-add-output): Clarify wording.
Distinguish between scheme-specific vs GCC-specific keys, and add
"cfgs" as the first example of the latter.
* gimple-pretty-print.cc: Include "cfghooks.h", "json.h", and
"custom-sarif-properties/cfg.h".
(gimple_dump_bb_as_sarif_properties): New.
* gimple-pretty-print.h (diagnostics::sarif_builder): New forward
decl.
(json::object): Likewise.
(gimple_dump_bb_as_sarif_properties): New.
* graphviz.cc (get_compass_pt_from_string): New
* graphviz.h (get_compass_pt_from_string): New decl.
* libsarifreplay.cc (sarif_replayer::handle_graph_object): Fix
overlong line.
* opts-common.cc: Define INCLUDE_VECTOR.
* opts-diagnostic.cc: Define INCLUDE_LIST. Include
"diagnostics/sarif-sink.h", "tree-diagnostic-sink-extensions.h",
"opts-diagnostic.h", and "pub-sub.h".
(class gcc_extra_keys): New class.
(opt_spec_context::opt_spec_context): Add "client_keys" param and
pass to dc_spec_context.
(handle_gcc_specific_keys): New.
(try_to_make_sink): New.
(gcc_extension_factory::singleton): New.
(handle_OPT_fdiagnostics_add_output_): Rework to use
try_to_make_sink.
(handle_OPT_fdiagnostics_set_output_): Likewise.
* opts-diagnostic.h: Include "diagnostics/sink.h".
(class gcc_extension_factory): New.
* opts.cc: Define INCLUDE_LIST.
* print-rtl.cc: Include "dumpfile.h", "cfghooks.h", "json.h", and
"custom-sarif-properties/cfg.h".
(rtl_dump_bb_as_sarif_properties): New.
* print-rtl.h (diagnostics::sarif_builder): New forward decl.
(json::object): Likewise.
(rtl_dump_bb_as_sarif_properties): New decl.
* tree-cfg.cc (gimple_cfg_hooks): Use
gimple_dump_bb_as_sarif_properties for new callback field.
* tree-diagnostic-cfg.cc: New file, based on material in graph.cc.
* tree-diagnostic-sink-extensions.h: New file.
* tree-diagnostic.cc: Define INCLUDE_LIST. Include
"tree-diagnostic-sink-extensions.h".
(compiler_ext_factory): New.
(tree_diagnostics_defaults): Set gcc_extension_factory::singleton
to be compiler_ext_factory.
2026-01-09 David Malcolm <dmalcolm@redhat.com>
* channels.h: New file.
* context.cc: Define INCLUDE_LIST. Include "channels.h".
(gcc::context::context): Create m_channels.
(gcc::context::~context): Delete it.
* context.h (struct compiler_channels): New forward decl.
(gcc::context::get_channels): New accessor.
(gcc::context::m_channels): New field.
* passes.cc: Define INCLUDE_LIST. Include "topics/pass-events.h"
and "channels.h".
(execute_one_pass): If the global context's pass_events_channel
has subscribers, publish before_pass and after_pass events to it.
* topics/pass-events.h: New file.
2026-01-09 David Malcolm <dmalcolm@redhat.com>
* Makefile.in (OBJS-libcommon): Add pub-sub.o.
* pub-sub.cc: New file.
* pub-sub.h: New file.
* selftest-run-tests.cc (selftest::run_tests): Call
selftest::pub_sub_cc_tests.
* selftest.h (selftest::pub_sub_cc_tests): New decl.
2026-01-09 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR target/123457
* config/aarch64/aarch64-sve-builtins.cc (struct registered_function_hasher):
Change base class to ggc_ptr_hash.
(initial_indexes): Mark with GTY.
(function_table): Likewise.
(handle_arm_sve_h): Allocate function_table from ggc instead of heap.
2026-01-09 Jakub Jelinek <jakub@redhat.com>
* doc/invoke.texi (-x): Add c++-system-module, objc-cpp-output,
objc++-cpp-output, adascil, adawhy, modula-2, modula-2-cpp-output,
rust, algol68 and lto as further possible option arguments.
2026-01-09 Vladimir N. Makarov <vmakarov@redhat.com>
PR rtl-optimization/123121
* lra-remat.cc (bad_for_rematerialization_p): Consider div/mod ops.
(operand_to_remat): Exclude rematerialization of insns with
multiple sets.
2026-01-09 Peter Bergner <bergner@tenstorrent.com>
PR target/123492
* config/riscv/riscv-cores.def (RISCV_CORE)<tt-ascalon-d8>: Add missing
extensions via use of rva23s64 profile and adding zkr, smaia, smmpm,
smnpm, smrnmi, smstateen, ssaia, ssstrict, svadu.
2026-01-09 Martin Jambor <mjambor@suse.cz>
* ipa-cp.h (class ipcp_bits_lattice): New members set_recipient_only,
recipient_only_p and m_recipient_only.
(class ipcp_vr_lattice): Likewise.
(ipcp_vr_lattice::init): Initialize also m_recipient_only.
* ipa-cp.cc (ipcp_bits_lattice::print): Adjust printting to also
print the new flag.
(ipcp_vr_lattice::print): Likewise.
(ipcp_vr_lattice::set_recipient_only): New function.
(ipcp_bits_lattice::set_recipient_only): Likewise.
(set_all_contains_variable): New parameter MAKE_SIMPLE_RECIPIENTS, set
bits and vr lattices to recibient only insted to bottom when it is
true.
(initialize_node_lattices): Pass true to the second parameter of
set_all_contains_variable.
(propagate_bits_across_jump_function): Treat recipient_only source
lattices like bottom.
(propagate_vr_across_jump_function): Likewise.
(ipcp_store_vr_results): Skip non-local nodes.
2026-01-09 Martin Jambor <mjambor@suse.cz>
* ipa-cp.cc (good_cloning_opportunity_p): Dump a message when
bailing out early too.
(find_more_scalar_values_for_callers_subset): Rename to
find_scalar_values_for_callers_subset, collect constants regardless of
what is already in the vector. Remove dumping.
(find_more_contexts_for_caller_subset): Rename to
find_contexts_for_caller_subset, collect contexts regardless of what
is already in the vector. Remove dumping.
(find_aggregate_values_for_callers_subset): Rename to
find_aggregate_values_for_callers_subset_gc, implement using new
functions.
(find_aggregate_values_for_callers_subset_1): New function.
(find_aggregate_values_for_callers_subset): Likewise.
(copy_known_vectors_add_val): Removed.
(dump_reestimation_message): New function.
(decide_about_value): Remove formal parameter avals, compute it
independently, and use it to estimate local cloning effects.
(struct cloning_opportunity_ranking): New type.
(compare_cloning_opportunities): New function.
(cloning_opportunity_ranking_evaluation): Likewise.
(decide_whether_version_node): Pre-sort candidates for cloning before
really evaluating them. Calculate context independent values only
when considering versioning for all contexts.
(ipcp_val_agg_replacement_ok_p): Renamed to
ipcp_val_replacement_ok_p, check also non-aggregate values.
2026-01-09 Alexandre Oliva <oliva@gnu.org>
PR target/119430
* config/arm/arm.cc (arm_function_ok_for_sibcall): Disable
sibcalls for long-calls that use all call-clobbered
general-purpose registers, including the static chain.
2026-01-09 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* config/s390/s390.cc (print_operand): Align %cN with %N.
* config/s390/s390.md: Remove comment.
2026-01-09 Filip Kastl <fkastl@suse.cz>
PR c/123212
* opts.cc: Enable -fbit-tests and -fjump-tables at -Og.
2026-01-09 Alfie Richards <alfie.richards@arm.com>
* config/aarch64/aarch64-builtins.cc
(aarch64_expand_pragma_builtin): Add case for FMMLA.
* config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins):
Add new __ARM_FEATURE_X macros.
* config/aarch64/aarch64-simd-pragma-builtins.def
(vmmlaq_f16_mf8): New intrinsic.
(vmmlaq_f32_mf8): Likewise.
* config/aarch64/aarch64-simd.md
(@aarch64_<insn><VDQ_HSF_FMMLA:mode>): New instruction.
* config/aarch64/aarch64-sve-builtins-base.cc: Update mmla_impl
for new instructions.
* config/aarch64/aarch64-sve-builtins-shapes.cc
(struct mmla_def): Add support for the new widening forms.
* config/aarch64/aarch64-sve-builtins-sve2.def (svmmla) Add new
intrinsics.
* config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_narrow_s):
Fix comment.
* config/aarch64/aarch64-sve2.md
(@aarch64_sve2_<sve_fp_op><SVE_FULL_HSF_FMMLA:mode><VNx16QI_ONLY:mode>): New instruction.
(@aarch64_sve2_<sve_fp_op><VNx4SF_ONLY:mode><VNx8HF_ONLY:mode>): Likewise.
* config/aarch64/aarch64.h (TARGET_F8F32MM): New macro.
(TARGET_F8F16MM): Likewise.
(TARGET_SVE_F16F32MM): Likewise.
* config/aarch64/iterators.md (insn): Add fmmla entry.
(VDQ_HSF_FMMLA): New iterator.
(SVE_FULL_HSF_FMMLA): Likewise.
2026-01-09 Christophe Lyon <christophe.lyon@linaro.org>
* config/arm/arm-builtins.cc (arm_init_simd_builtin_types): Remove
TARGET_HAVE_MVE condition.
(class arm_target_switcher): New.
(arm_init_mve_builtins): Remove calls to
arm_init_simd_builtin_types and
arm_init_simd_builtin_scalar_types. Switch to MVE isa flags.
(arm_init_neon_builtins): Remove calls to
arm_init_simd_builtin_types and
arm_init_simd_builtin_scalar_types.
(arm_need_mve_mode_regs): New.
(arm_need_neon_mode_regs): New.
(arm_target_switcher::arm_target_switcher): New.
(arm_target_switcher::~arm_target_switcher): New.
(arm_init_builtins): Call arm_init_simd_builtin_scalar_types and
arm_init_simd_builtin_types. Always call arm_init_mve_builtins
and arm_init_neon_builtins.
2026-01-09 Jakub Jelinek <jakub@redhat.com>
PR target/123489
* config/i386/i386-builtin.def (__builtin_ia32_cvttsd2sis64_round,
__builtin_ia32_cvttsd2usis64_round, __builtin_ia32_cvttss2sis64_round,
__builtin_ia32_cvttss2usis64_round): Require OPTION_MASK_ISA_64BIT.
2026-01-09 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR rtl-optimization/123491
* ifcvt.cc (noce_try_cond_zero_arith): Reject non-scalar
integer modes for the inner mode of the subreg.
2026-01-09 Shreya Munnangi <smunnangi1@ventanamicro.com>
Jeff Law <jeffrey.law@oss.qualcomm.com>
PR target/121778
* match.pd: Add pattern to recognize rotate with one or more
bits flipped via xor.
* config/sh/sh.md (*rotcl); New variant which handles the output
we get after the match.pd change above.
2026-01-09 Jeff Law <jeffrey.law@oss.qualcomm.com>
* config/riscv/andes-23-series.md: Clamp reservations to 7c.
* config/riscv/andes-25-series.md: Likewise.
* config/riscv/andes-45-series.md: Likewise.
* config/riscv/generic.md: Likewise.
* config/riscv/mips-p8700.md: Likewise.
* config/riscv/sifive-7.md: Likewise.
* config/riscv/spacemit-x60.md: Likewise.
2026-01-09 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
PR gcov-profile/123019
* auto-profile.cc (auto_profile): Call execute_fixup_cfg.
2026-01-09 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
PR ipa/123383
* cgraph.cc (cgraph_edge::get_next_speculative_id): Check
lto_stmt_uid in get_next_speculative_id.
2026-01-08 Jakub Jelinek <jakub@redhat.com>
PR middle-end/111817
* stmt.cc (parse_input_constraint): For matching construct, goto
before the loop without changing j instead of break. Remove comment
about that problem.
2026-01-08 Robin Dapp <rdapp@ventanamicro.com>
PR target/122846
* config/riscv/riscv-opts.h (enum rvv_max_lmul_enum): Add
RVV_CONV_DYNAMIC.
(TARGET_MAX_LMUL): Ditto.
* config/riscv/riscv-string.cc (use_vector_stringop_p): Use
LMUL1 for RVV_CONV_DYNAMIC.
(expand_rawmemchr): Ditto.
(expand_strcmp): Ditto.
(check_vectorise_memory_operation): Ditto.
* config/riscv/riscv-vector-costs.cc (get_smallest_mode):
New function.
(compute_lmul_from_conversion_ratio): Calculate LMUL from
largest/smallest type.
(costs::has_unexpected_spills_p): Split.
(costs::compute_live_ranges_and_lmul): Compute smallest type and
call new function.
(costs::cleanup_live_range_data): New function.
(costs::compute_conversion_dynamic_lmul): New function.
(costs::record_potential_unexpected_spills): Use new function.
(costs::better_main_loop_than_p): Allow appropriate LMUL.
* config/riscv/riscv-vector-costs.h: Declare.
* config/riscv/riscv.opt: New option
-mrvv-max-lmul=conv-dynamic.
2026-01-08 Qing Zhao <qing.zhao@oracle.com>
* doc/extend.texi: Update doc to support pointers inside structures.
2026-01-08 Olivier Hainque <hainque@adacore.com>
Alexandre Oliva <oliva@adacore.com>
* config.gcc [x86_64-*-*]: Match *abi32 target, default to m32
abi. Accept 32 or m32 for --with-abi.
2026-01-08 Jonathan Wakely <jwakely@redhat.com>
* doc/invoke.texi (C++ Dialect Options): Fix typo in
documentation of -flang-info-module-cmi.
2026-01-08 Aleksandar Rakic <aleksandar.rakic@htecgroup.com>
* Makefile.in: Add with_multi_buildlist for multilib
configuration control. Pass an additional argument to
genmultilib indicating whether --with-multi-buildlist is set
(true or false). Use with_multi_buildlist to filter
multilib directories in fixinc_list.
* configure: Regenerate.
* configure.ac: Restrict the installed fixedincludes multilibs.
* configure.tgt: New file.
* doc/install.texi: Add --with-multi-buildlist configure option
for multilib filtering.
* genmultilib: Document the new eleventh argument indicating
whether --with-multi-buildlist configure option is set (true or
false). Update argument parsing to include this flag before
enable_multilib. Modify reuse rule validation:
- Keep the original error for reuse of nonexistent multilibs
when --with-multi-buildlist is not used.
- Suppress the error only when the new configure option is
active, allowing reuse rules to reference multilibs that are
intentionally excluded from the build.
2026-01-08 Tomas Glozar <tglozar@gmail.com>
* config/ia64/ia64.cc (MAX_VECT_LEN): Set to 16 from 8.
2026-01-08 Robin Dapp <rdapp.gcc@gmail.com>
PR target/123268
* gimple-match-exports.cc (convert_conditional_op): Check if
orig_op->type and type of else value match.
2026-01-08 Richard Sandiford <rdsandiford@googlemail.com>
Richard Biener <rguenther@suse.de>
PR tree-optimization/122793
* tree-vect-slp.cc (vect_add_slp_permutation): Document the existing
identity_offset parameter. Handle identities that take from the
second input rather than the first.
2026-01-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/123310
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Properly
test against unknown offset.
2026-01-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/123298
* tree-ssa-alias.h (get_continuation_for_phi): Take a gphi *,
add is_backedge hook argument.
(walk_non_aliased_vuses): Add is_backedge hook argument.
* tree-ssa-alias.cc (maybe_skip_until): Adjust.
(get_continuation_for_phi): Use new hook to classify an
edge into the PHI as backedge.
(walk_non_aliased_vuses): Adjust.
* gimple-lower-bitint.cc (bitint_dom_walker::before_dom_children):
Likewise.
* ipa-prop.cc (determine_known_aggregate_parts): Likewise.
* tree-ssa-scopedtables.cc (avail_exprs_stack::lookup_avail_expr):
Likewise.
* tree-ssa-pre.cc (translate_vuse_through_block): Likewise.
* tree-ssa-sccvn.cc (vn_bb_to_rpo): Make BB to RPO order
mapping accessible from new hook.
(do_rpo_vn_1): Likewise.
(vn_is_backedge): New hook to classify edge.
(vn_reference_lookup_pieces): Adjust.
(vn_reference_lookup): Likewise.
2026-01-08 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.cc (vectorizable_shift): Improve missing
optab or optab support messages.
(vectorizable_operation): Likewise.
2026-01-08 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* config/s390/s390.cc (s390_logical_operator_ok_p): Test for
volatile memory.
(s390_mem_constraint): Remove volatile condition.
* config/s390/s390.md (*andc_split_<mode>): Test for volatile
memory.
2026-01-08 Richard Biener <rguenther@suse.de>
PR middle-end/123107
* fold-const.cc (fold_binary_loc): Guard (v >> CST) == { 0, 0.. }
to v < { 0, 0.. } folding.
2026-01-08 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123382
* tree-if-conv.cc: Reject VEC_PERM_EXPR for factoring
if it is the mask and they are constant.
2026-01-08 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* cse.cc (cse_find_path): Change follow_jumps to bool.
2026-01-07 Tomas Glozar <tglozar@gmail.com>
PR target/121535
* config/ia64/ia64.cc (TARGET_ZERO_CALL_USED_REGS): Override
function with target-specific one.
(struct gcc_target): Move to end of file.
(ia64_zero_call_used_regs): Add target-specific function.
2026-01-07 Xinhui Yang <cyan@cyano.uk>
* config.gcc: limit -lunwind usage by testing if the system
libunwind is being used.
2026-01-07 Xi Ruoyao <xry111@xry111.site>
PR target/123320
* config/loongarch/loongarch.md (<optab><mode>3): Only expand
using psuedos when can_create_pseudo_p ().
(addsi3): Likewise.
2026-01-07 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/123300
* gimple-range-gori.cc (gori_map::exports_and_deps): New.
* gimple-range-gori.h (exports_and_deps): New prototype.
(FOR_EACH_GORI_EXPORT_AND_DEP_NAME): New macro.
* tree-vrp.cc (remove_unreachable:remove_unreachable): Initialize
m_tmp bitmap.
(remove_unreachable:~remove_unreachable): Dispose of m_tmp bitmap.
(remove_unreachable:fully_replaceable): Move from static function
and check reachability of exports and dependencies.
2026-01-07 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/123319
* value-range.cc (irange::intersect): If there is a bitmask, snap
subranges after creating them.
2026-01-07 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
PR tree-optimization/102486
* match.pd (`popcount (X & -X) -> -X != 0`): New pattern.
2026-01-07 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/119291
PR rtl-optimization/121773
* combine.cc (try_combine): Check that SET_DEST (setN) is neither
modified_between_p nor reg_used_between_p instead of just not
reg_used_between_p or pc_rtx.
2026-01-07 Richard Earnshaw <rearnsha@arm.com>
PR target/123390
* config/arm/arm.cc (arm_gen_constant): Fix types of HWI literals.
(arm_const_double_prefer_rsbs_rsc): Likewise.
2026-01-07 Alfie Richards <alfie.richards@arm.com>
* config/aarch64/aarch64.cc (aarch64_parse_fmv_features): Add parsing
for priority arguments.
(aarch64_process_target_version_attr): Update call to
aarch64_parse_fmv_features.
(get_feature_mask_for_version): Update call to
aarch64_parse_fmv_features.
(aarch64_compare_version_priority): Add logic to order by priority if present.
(aarch64_functions_b_resolvable_from_a): Update call to
aarch64_parse_fmv_features.
(aarch64_mangle_decl_assembler_name): Update call to
aarch64_parse_fmv_features.
(dispatch_function_versions): Add logic to sort by priority.
(aarch64_same_function_versions): Add diagnostic if invalid use of
priority syntax.
(aarch64_merge_decl_attributes): Add logic to make suer priority
arguments are preserved.
(aarch64_check_target_clone_version): Update call to
aarch64_parse_fmv_features.
2026-01-07 Alfie Richards <alfie.richards@arm.com>
* target.def (TARGET_OPTION_SAME_FUNCTION_VERSIONS): Update
documentation.
* tree.cc (disjoint_version_decls): Change for new NULL parameter
to same_function_versions.
(diagnose_versioned_decls): Update to pass diagnostic location to
same_function_versions.
* doc/tm.texi: Regenerate.
* config/aarch64/aarch64.cc (aarch64_same_function_versions):
Update hook impl for new arguments.
* config/riscv/riscv.cc (riscv_same_function_versions): Update
hook impl for new arguments.
* config/loongarch/loongarch.cc
(loongarch_same_function_versions): Likewise
* hooks.cc (hook_stringslice_stringslice_unreachable): Changed
to...
(hook_stringslice_consttree_stringslice_consttree_unreachable):
...this and add extra arguments.
* hooks.h (hook_stringslice_stringslice_unreachable): Changed
to...
(hook_stringslice_consttree_stringslice_consttree_unreachable):
and add extra arguments.
2026-01-07 Martin Jambor <mjambor@suse.cz>
* params.opt (param_ipa_cp_sweeps): New.
* doc/invoke.texi (ipa-cp-sweeps): New.
* ipa-cp.cc (max_number_sweeps): New.
(get_max_overall_size): New parameter cur_sweep, use it and the total
number of sweeps from the NODE to calculate the result too.
(ipcp_propagate_stage): Get the maximum number of sweeps specified in
the corresponding parameter of any possibly affected node.
(good_cloning_opportunity_p): Add parameter cur_sweep, adjust the
threshold according to it.
(decide_about_value): New parameter cur_sweep, pass it to
get_max_overall_size and to good_cloning_opportunity_p.
(decide_whether_version_node): New parameter cur_sweep, pass it to
decide_about_value and get_max_overall_size. Make sure the node is
not dead.
(ipcp_decision_stage): Make multiple sweeps over the call-graph.
2026-01-07 Martin Jambor <mjambor@suse.cz>
* ipa-prop.h (ipa_node_params): Remove member do_clone_for_all_contexts.
(ipa_node_params::ipa_node_params): Do not initialize
do_clone_for_all_contexts.
* ipa-cp.cc (gather_context_independent_values): Remove parameter
calculate_aggs, calculate them always.
(estimate_local_effects): Move the decision whether to clone for
all context...
(decide_whether_version_node): ...here. Fix dumps.
(decide_about_value): Adjust alignment in dumps.
2026-01-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/123315
* tree-vect-loop.cc (vect_analyze_loop_2): Reset
LOOP_VINFO_USING_DECREMENTING_IV_P before retrying.
2026-01-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/123221
* tree-vect-loop.cc (vectorizable_reduction): When we did not
find the non-conversion reduction operation, bail.
2026-01-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/123316
* tree-vect-loop.cc (vectorizable_reduction): Detect missing
PHI patterns for bools.
2026-01-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR debug/123259
* toplev.cc (process_options): Guard CTF non-C warning by
-Wcomplain-wrong-lang.
* doc/invoke.texi (Warning Options, -Wno-complain-wrong-lang):
Document effect on -gctf/-gsctf.
2026-01-07 Siddhesh Poyarekar <siddhesh@gotplt.org>
PR tree-optimization/123374
* gimple-ssa-warn-access.cc (pass_waccess::set_pass_param): Add
a second parameter.
(pass_waccess::check_call): Skip access checks for waccess2.
(pass_waccess::execute): Drop initialization of
M_CHECK_DANGLING_P.
* passes.def: Adjust.
2026-01-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
* tree-profile.cc (tree_profiling): Do not use atomic operations
if they are not available. Try to use at least partial atomic
updates as a fallback.
2026-01-06 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
* config/xtensa/xtensa.h (EPILOGUE_USES): New macro definition.
* config/xtensa/xtensa.md (return):
Remove '(use (reg:SI A0_REG))' from the template description, and
reload_completed from the condition.
(sibcall_epilogue): Remove emitting '(use (reg:SI A0_REG))'.
2026-01-06 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* tree-if-conv.cc (ifcvt_can_predicate): Add check for
normal builtins.
2026-01-06 Richard Ball <Richard.Ball@arm.com>
* config/aarch64/aarch64-builtins.cc
(enum aarch64_builtins): New builtin flag.
(aarch64_init_pcdphint_builtins): New builtin function.
(aarch64_expand_pldir_builtin): Expander for new intrinsic.
(aarch64_general_expand_builtin): Call new expander.
* config/aarch64/aarch64.md
(aarch64_pldir): New pattern for instrinsic.
* config/aarch64/arm_acle.h
(__attribute__): New call to builtin.
(__pldir): Likewise.
2026-01-06 Richard Ball <Richard.Ball@arm.com>
* config/aarch64/aarch64-builtins.cc
(enum aarch64_builtins): Add new flags.
(aarch64_init_pcdphint_builtins): Create new Builtin functions.
(aarch64_general_init_builtins): Call init for PCDPHINT.
(aarch64_expand_stshh_builtin): Expander for new intrinsic.
(aarch64_general_expand_builtin): Call new expander.
* config/aarch64/aarch64-c.cc
(aarch64_update_cpp_builtins): New feature.
* config/aarch64/aarch64.h (TARGET_PCDPHINT): Likewise.
* config/aarch64/arm_acle.h
(__atomic_store_with_stshh): Generic to call builtins.
* config/aarch64/atomics.md
(@aarch64_atomic_store_stshh<mode>): New pattern for intrinsic.
* config/aarch64/iterators.md: New UNSPEC.
2026-01-06 Eric Botcazou <ebotcazou@adacore.com>
PR target/121192
* expr.cc (store_constructor) <VECTOR_TYPE>: Disable the special
trick for uniform boolean vectors with integer modes and single-bit
mask entries on big-endian platforms.
2026-01-06 Eric Botcazou <ebotcazou@adacore.com>
* doc/install.texi (Prerequisites): Remove reference to Ada in
conjunction with GCC 9.5 and adjust its GCC version requirement.
2026-01-06 Jakub Jelinek <jakub@redhat.com>
Marco Falke <falke.marco@gmail.com>
PR tree-optimization/123351
* tree-object-size.cc (object_sizes_set_temp): Separate calls to
make_ssa_name to ensure deterministic execution order.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* tree-vect-stmts.cc (vectorizable_call): Handle trapping math.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* tree-if-conv.cc (ifcvt_can_predicate): Support gimple_call_builtin_p.
(if_convertible_stmt_p, predicate_rhs_code,
predicate_statements): Likewise.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* match.pd: Add COND_FMA to COND_FMS rewrite rules.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* doc/md.texi: Document them
* internal-fn.cc (FOR_EACH_COND_FN_PAIR, internal_fn_else_index): Add
SQRT, CEIL, FLOOR, ROUND and RINT.
* internal-fn.def (IFN_COND_SQRT, IFN_COND_CEIL, IFN_COND_FLOOR,
IFN_COND_ROUND, IFN_COND_RINT, IFN_COND_LEN_SQRT, IFN_COND_LEN_CEIL,
IFN_COND_LEN_FLOOR, IFN_COND_LEN_ROUND, IFN_COND_LEN_RINT): New.
* optabs.def (cond_rint_optab, cond_sqrt_optab, cond_round_optab,
cond_ceil_optab, cond_floor_optab, cond_len_rint_optab,
cond_len_sqrt_optab, cond_len_round_optab, cond_len_ceil_optab,
cond_len_floor_optab): New.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
* gimple.cc (gimple_could_trap_p_1): Handle __builtin_ calls.
2026-01-05 Jeff Law <jeffrey.law@oss.qualcomm.com>
* config/riscv/riscv-string.cc (expand_block_move): Restore using
inlined memcpy/memmove for unknown counts if the param hasn't been
specified.
(expand_vec_setmem): Similarly for memset.
2026-01-05 Pan Li <pan2.li@intel.com>
PR target/123317
* config/riscv/autovec-opt.md: Take zero_extend for
both the vwaddu and vwsubu wx pattern.
2026-01-05 Alice Carlotti <alice.carlotti@arm.com>
* config/aarch64/aarch64-sme.md
(aarch64_sme_write_zt): Add TARGET_STREAMING requirement.
(aarch64_sme_lut_zt): Ditto.
2026-01-05 Alice Carlotti <alice.carlotti@arm.com>
* doc/invoke.texi: Fix incorrect function name.
2026-01-05 Pan Li <pan2.li@intel.com>
* tree-vect-slp.cc (vec_slp_has_scalar_use): Adjust the
depth_limit from 2 to 3.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR target/121290
* config/aarch64/aarch64.cc (aarch64_possible_by_lane_insn_p): New.
(aarch64_vector_costs): Add m_num_dup_stmts and m_num_total_stmts.
(aarch64_vector_costs::add_stmt_cost): Use them.
(adjust_body_cost): Likewise.
2026-01-05 Tamar Christina <tamar.christina@arm.com>
PR target/123017
* config/aarch64/aarch64-json-schema.h: Add br_mispredict_factor.
* config/aarch64/aarch64-json-tunings-parser-generated.inc
(parse_branch_costs): Add br_mispredict_factor.
* config/aarch64/aarch64-json-tunings-printer-generated.inc
(serialize_branch_costs): Add br_mispredict_factor.
* config/aarch64/aarch64-protos.h (struct cpu_branch_cost): Add
br_mispredict_factor.
* config/aarch64/aarch64.cc (aarch64_max_noce_ifcvt_seq_cost,
aarch64_noce_conversion_profitable_p,
TARGET_MAX_NOCE_IFCVT_SEQ_COST,
TARGET_NOCE_CONVERSION_PROFITABLE_P): New.
* config/aarch64/tuning_models/generic.h (generic_branch_cost): Add
br_mispredict_factor.
* config/aarch64/tuning_models/generic_armv8_a.h: Remove
generic_armv8_a_branch_cost and use generic_branch_cost.
2026-01-04 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* configure: Regenerate.
2026-01-04 Jeff Law <jeffrey.law@oss.qualcomm.com>
* config/riscv/riscv.cc (riscv_conditional_register_usage): Revert
patch that made VXRM a global register.
2026-01-04 Keith Packard <keithp@keithp.com>
* config.gcc: Add clause for picolibc.
* config/picolibc-spec.h: New file.
* config/picolibc.opt: Likewise.
* config/picolibc.opt.urls: Likewise.
* configure.ac: Add support for --with-picolibc.
* configure: Rebuilt.
* doc/invoke.texi: Document picolibc options.
* doc/tm.texi.in (LIBC_CPP_SPEC): Document.
(LIBC_LINK_SPEC): Similarly.
* doc/tm.texi: Rebuilt.
* gcc.cc (LIBC_CPP_SPEC): Provide default definition.
(LIBC_LINK_SPEC): Likewise.
(cpp_spec): Include LIBC_CPP_SPEC.
(link_spec): Similarly for LIBC_LINK_SPEC.
2026-01-04 Jeff Law <jeffrey.law@oss.qualcomm.com>
* doc/contrib.texi: Add Kazumoto & Oleg.
2026-01-04 Richard Braun <rbraun@sceen.net>
* config/c6x/c6x-sched.md.in (mpydp_m_N__CROSS_,
mpyspdp_m_N__CROSS_, mpysp2dp_m_N__CROSS_): Update reservations.
* config/c6x/c6x-sched.md: Regenerated.
* config/c6x/c6x.md (m1dp, m1spdp, m2dp, m2spdp): New CPU units.
2026-01-04 Kalvis Duckmanton <kalvisd@gmail.com>
* config/host-netbsd.cc (netbsd_gt_pch_use_address): Support PCH
loading at addresses other than its preferred address.
* config/host-openbsd.cc (openbsd_gt_pch_use_address): Likewise.
2026-01-04 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
PR tree-optimization/122608
* match.pd (`(c ? a : b) op d -> c ? (a op d) : (b op d)`): New
pattern.
(`d op (c ? a : b) -> c ? (d op a) : (d op b)`): Likewise
2026-01-04 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR target/123010
* simplify-rtx.cc (simplify_binary_operation_1, case ASHIFT): Simplify
case where a left shift of the sign extracted field can be turned into
a sign extension of a left shift.
2026-01-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123372
* tree-ssa-math-opts.cc
(build_saturation_binary_arith_call_and_replace): Pass type of op_0
rather than type of lhs as second argument to
direct_internal_fn_supported_p.
2026-01-02 Iain Sandoe <iain@sandoe.co.uk>
* config/aarch64/aarch64-sve-builtins-shapes.cc
(INCLUDE_ALGORITHM): Define.
2026-01-01 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* cgraph.cc (cgraph_edge::get_next_speculative_id): New.
* cgraph.h (cgraph_edge::get_next_speculative_id): New.
* ipa-devirt.cc (ipa_devirt): Use get_next_speculative_id
in make_speculative.
2026-01-01 Jakub Jelinek <jakub@redhat.com>
* gcc.cc (process_command): Update copyright notice dates.
* gcov-dump.cc (print_version): Ditto.
* gcov.cc (print_version): Ditto.
* gcov-tool.cc (print_version): Ditto.
* gengtype.cc (create_file): Ditto.
* doc/cpp.texi: Bump @copying's copyright year.
* doc/cppinternals.texi: Ditto.
* doc/gcc.texi: Ditto.
* doc/gccint.texi: Ditto.
* doc/gcov.texi: Ditto.
* doc/install.texi: Ditto.
* doc/invoke.texi: Ditto.
Copyright (C) 2026 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
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