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blob: cdb4db29b58dc108d311ad020e92e36d77712a1f [file] [log] [blame]
2026-02-02 David Malcolm <dmalcolm@redhat.com>
PR diagnostics/110522
* gcc.cc (driver_handle_option): Use
get_diagnostic_file_output_basename for
OPT_fdiagnostics_format_.
* opts-diagnostic.cc (get_base_filename): Likewise.
(get_diagnostic_file_output_basename): New.
* opts-diagnostic.h (get_diagnostic_file_output_basename): New
decl.
* opts.cc (maybe_prepend_dump_dir_name): New, based on code in
finish_options.
(finish_options): Move code for determining prepended
dump_base_name to maybe_prepend_dump_dir_name and call it.
(common_handle_option): Use get_diagnostic_file_output_basename
for OPT_fdiagnostics_format_.
* opts.h (maybe_prepend_dump_dir_name): New decl.
2026-02-02 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR rtl-optimization/123294
* ifcvt.cc (noce_emit_store_flag): Reject modes
greater than MAX_FIXED_MODE_SIZE.
2026-02-02 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/123897
* tree-ssa-math-opts.cc (convert_mult_to_fma_1): Use type of variable
being folded.
2026-02-02 Tamar Christina <tamar.christina@arm.com>
PR target/121290
* config/aarch64/aarch64.cc (aarch64_vector_costs::add_stmt_cost):
Remove else.
2026-02-02 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/121104
* tree-ssa-math-opts.cc (match_uaddc_usubc): Punt if
lhs of ovf1 or ovf2 doesn't have element type compatible with type.
2026-02-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/123755
* tree-vect-stmts.cc (vectorizable_call): Adjust len-masking
condition. Simplify code generation.
2026-01-31 Keith Packard <keithp@keithp.com>
* config/picolibc-spec.h (LIBC_LINK_SPEC): Use find-file for test
and access to picolibc.ld.
2026-01-31 Richard Biener <rguenther@suse.de>
PR middle-end/123887
* match.pd ((a ? x : y) !=/== (b ? x : y)): Make sure
x and y have no side-effects before evaluating them
unconditionally.
2026-01-31 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Binaries): Switch delorie.com to https.
2026-01-30 Richard Biener <rguenther@suse.de>
PR middle-end/123887
* match.pd ((zero_one ==/!= 0) ? .. z <op> y .. -> zero_one * z ..):
Check evaluating z unconditionally has no side-effects, like
trapping.
2026-01-30 Richard Biener <rguenther@suse.de>
PR debug/123886
* dwarf2out.cc (sym_off_pair::sym): Remove GTY((skip)).
2026-01-30 Michal Jires <mjires@suse.cz>
* doc/extend.texi: Mention flto-toplevel-asm-heuristics.
* doc/invoke.texi: Add flto-toplevel-asm-heuristics.
2026-01-30 Richard Biener <rguenther@suse.de>
PR debug/110885
* dwarf2out.cc (generate_skeleton_bottom_up): Generate the
skeleton ancestor tree when moving a new child to the parent
even for template instantiations.
2026-01-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123864
* match.pd (__builtin_mul_overflow_p (x, cst, (stype) 0) ->
x > stype_max / cst || x < stype_min / cst): Only check
integer_minus_onep for signed types.
2026-01-30 Jakub Jelinek <jakub@redhat.com>
PR c++/123790
* fold-const.cc (fold_convert_const): Handle conversion of
integer_zerop to NULLPTR_TYPE.
(fold_convert_loc): Likewise.
2026-01-30 Jørgen Kvalsvik <j@lambda.is>
PR gcov-profile/123855
* path-coverage.cc (flush_on_edges): Only look up SSA name def
stmt when counter is non-const.
2026-01-30 Jørgen Kvalsvik <j@lambda.is>
* gcov-dump.cc (tag_paths): New function.
2026-01-30 Jørgen Kvalsvik <j@lambda.is>
* common.opt: ftest-coverage enabled by fpath-coverage or
fcondition-coverage
2026-01-30 Jørgen Kvalsvik <j@lambda.is>
* gcov-dump.cc (tag_conditions): Read position before blocks,
terms.
2026-01-30 Jørgen Kvalsvik <j@lambda.is>
PR gcov-profile/121084
PR gcov-profile/121123
PR gcov-profile/121409
* profile.cc (branch_prob): Record seen_locations without
discriminators.
2026-01-30 Jakub Jelinek <jakub@redhat.com>
PR middle-end/123876
* omp-low.cc (diagnose_sb_2): Handle GIMPLE_ASM.
2026-01-30 Alex Coplan <alex.coplan@arm.com>
PR target/123206
* config/aarch64/aarch64-builtins.cc (struct aarch64_pragma_builtins_data):
Declare array as CONSTEXPR.
* config/aarch64/aarch64-simd-pragma-builtins.def: Update
incorrect uses of TARGET_SIMD to use AARCH64_FL_SIMD instead.
2026-01-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/109410
* tree-ssa-reassoc.cc (build_and_add_sum): Use
gsi_start_nondebug_after_labels_bb to look for a possible
returns-twice call.
2026-01-30 Iain Buclaw <ibuclaw@gdcproject.org>
* config/darwin-d.cc (darwin_d_os_builtins): Add Apple.
2026-01-30 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR rtl-optimization/122170
* ifcvt.cc (noce_can_force_operand): Don't only check if
there is an optab for the code check the entry for the
mode is non-null. Handle non integral div by checking
optab like force_operand does.
2026-01-30 Lulu Cheng <chenglulu@loongson.cn>
* config/loongarch/loongarch-ftypes.def: Remove unused type.
2026-01-30 Lulu Cheng <chenglulu@loongson.cn>
PR target/123766
* config/loongarch/loongarch-builtins.cc
(loongarch_build_vpointer_type): New function. Return a type
for 'volatile void *'.
(LARCH_ATYPE_VPOINTER): New macro.
* config/loongarch/loongarch-ftypes.def: Change the pointer
type of the store class function from CVPOINTER to VPOINTER.
2026-01-30 Lulu Cheng <chenglulu@loongson.cn>
PR target/123807
* config/loongarch/loongarch.cc
(loongarch_expand_vector_init_same): When same is MEM and
GET_MODE(same) != imode, first load the data from memory
and then process it further.
2026-01-30 mengqinggang <mengqinggang@loongson.cn>
* config/loongarch/loongarch.md: Delete movsf TARGET_HARD_FLOAT
condition.
2026-01-29 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR middle-end/123869
* optabs.cc (expand_unop): Move the NEG optab
handling before the widening code.
Move the ABS bitwise expansion from expand_abs_nojump
to before the widening code.
(expand_abs_nojump): Remove the bitwise expansion trial
since expand_unop is called right above.
2026-01-29 Roger Sayle <roger@nextmovesoftware.com>
* expr.cc (emit_group_load_1): Don't call force_reg if orig_src
is already a CONCAT.
2026-01-29 Sandra Loosemore <sloosemore@baylibre.com>
* doc/options.texi (Options): Point to the "user experience"
documentation.
* doc/ux.texi (Guidelines for Options): Add some.
2026-01-29 Robin Dapp <rdapp@oss.qualcomm.com>
PR target/123806
* config/riscv/riscv-string.cc (expand_rawmemchr): Use unified
vl_read.
(expand_strcmp): Ditto.
* config/riscv/riscv-vector-builtins-bases.cc:
* config/riscv/riscv-vector-builtins.cc (function_expander::use_fof_load_insn):
Only emit the store and not the VL read.
* config/riscv/riscv-vsetvl.cc (get_fof_set_vl_reg): New
function.
(init_rtl_ssa): New wrapper.
(finish_rtl_ssa): Ditto.
(emit_fof_read_vls): Emit read_vl after each fault-only-first
load.
(pass_vsetvl::simple_vsetvl): Call emit_fof_read_vls ().
(pass_vsetvl::lazy_vsetvl): Ditto.
* config/riscv/vector-iterators.md: Add read_vl unspec.
* config/riscv/vector.md (read_vlsi): Unify.
(@read_vl<mode>): Ditto.
(read_vldi_zero_extend): Ditto.
(@pred_fault_load_set_vl<V_VLS:mode><P:mode>): New FoF variant
that saves VL in a register.
(@pred_fault_load_set_vl<VT:mode><P:mode>): Ditto.
2026-01-29 Filip Kastl <fkastl@suse.cz>
* gimple-ssa-pta-constraints.cc (make_param_constraints): Adjust
comment: The function only creates varinfos for the parameters,
the return value and the static chain.
2026-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/122537
* tree-ssa-loop-niter.cc (number_of_iterations_lt_to_ne): Register
may_be_zero condition when the IV may overflow.
2026-01-29 Sangamesh Mallayya <swamy.sangamesh@gmail.com>
* diagnostics/sarif-sink.cc: Move config.h at the begining.
2026-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/123596
* tree-eh.cc (sink_clobbers): Create a virtual PHI when
one is required but not present, queuing arguments
for renaming.
2026-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/116747
* tree-ssa-phiopt.cc (cond_if_else_store_replacement): Avoid
duplicate stmts in the set of store pairs to process.
2026-01-28 Uros Bizjak <ubizjak@gmail.com>
PR target/36503
* config/i386/i386.md (*<insn:any_shift><mode:SWI48>3_sub):
Also allow operands[3] & (<mode_bitsize>-1) == (<mode_bitsize>-1)
in insn condition. Emit NOT RTX instead of NEG RTX in this case.
(*<insn:any_shift><mode:SWI48>3_sub_1): Ditto.
2026-01-28 Robin Dapp <rdapp@oss.qualcomm.com>
PR target/123824
* config/riscv/riscv.cc (riscv_vls_mode_fits_in_gprs_p): New
helper.
(riscv_pass_vls_aggregate_in_gpr): Use helper and distribute
half-fitting vector to GPR and stack.
(riscv_pass_aggregate_in_vr): Reformat comment.
(riscv_get_arg_info): Use helper.
(riscv_pass_by_reference): Ditto.
2026-01-28 Vladimir N. Makarov <vmakarov@redhat.com>
PR target/121571
* lra-constraints.cc (process_alt_operands): Reprocess asm insn
when there are no enough regs for the asm-insn.
2026-01-28 Richard Biener <rguenther@suse.de>
PR middle-end/123575
* match.pd (abs ((T)x) -> absu (x)): For vector type
arguments require the resulting operation is supported.
2026-01-28 Richard Biener <rguenther@suse.de>
PR ipa/111036
* match.pd (__builtin_constant_p ((T)x)): Strip nop-conversions
from __builtin_constant_p arguments.
2026-01-28 Richard Biener <rguenther@suse.de>
PR rtl-optimization/106859
* var-tracking.cc (val_store): Dump -1 as UID if setting_insn
is NULL.
2026-01-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/123537
* match.pd (REDUC (@0 & @1) -> @0[I] & @1[I]): Restrict
allowed conversions.
2026-01-28 Karl Meakin <karl.meakin@arm.com>
* doc/invoke.texi: Document `+sve-bfscale` flag.
* config/aarch64/aarch64.h (TARGET_SVE_BFSCALE): New macro.
* config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins):
Define `__AARCH64_FEATURE_SVE_BFSCALE`.
* config/aarch64/aarch64-sve-builtins-base.cc: Skip constant
folding for floating-point or unpredicated multiplications.
* config/aarch64/aarch64-sve-builtins-sve2.def: New `SVE_FUNCTION`s.
* config/aarch64/aarch64-sve.md: Modify insns for
`SVE_COND_FP_BINARY_INT` to handle BF16 modes.
* config/aarch64/aarch64-sve2.md
(@aarch64_sve_<optab><mode>, @aarch64_sve_<optab><mode>_single): New insn for `BFSCALE`.
Modify insns for `UNSPEC_FSCALE` to handle BF16 modes.
* config/aarch64/iterators.md (SVE_FULL_F_SCALAR): Add `VNx8BF` to iterator.
(SVE_FULL_F_BFSCALE): New iterator.
(SVE_Fx24_BFSCALE): New iterator.
(SVE_BFx24): New iterator.
(UNSPEC_FMUL): New unspec.
(V_INT_EQUIV): Add entries for BF16 modes.
(b): Add entries for scalar float modes.
(is_bf16): Add entries for BF16 modes and reformat.
(SVSCALE_SINGLE_INTARG): Likewise.
(SVSCALE_INTARG): Likewise.
(SVE_FP_MULL): New iterator.
2026-01-28 Pengfei Li <Pengfei.Li2@arm.com>
PR middle-end/123447
* expr.cc (expand_expr_real_1): Increase stack slot alignment
for STRICT_ALIGNMENT targets.
2026-01-28 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR target/123016
* tree-vect-stmts.cc (vectorizable_simd_clone_call): use
'build_truth_vector_type_for_mode' to reconstruct mask's vectype for
non-scalar masks.
2026-01-28 Jakub Jelinek <jakub@redhat.com>
PR c/101312
* langhooks.h (struct lang_hooks_for_types): Remove
copy_lang_qualifiers. Add build_lang_qualified_type.
* langhooks.cc (lhd_build_lang_qualified_type): New function.
* langhooks-def.h (lhd_build_lang_qualified_type): Declare.
(LANG_HOOKS_COPY_LANG_QUALIFIERS): Remove.
(LANG_HOOKS_BUILD_LANG_QUALIFIED_TYPE): Add.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use
LANG_HOOKS_BUILD_LANG_QUALIFIED_TYPE instead of
LANG_HOOKS_COPY_LANG_QUALIFIERS.
* attribs.cc (build_type_attribute_qual_variant): Use
lang_hooks.types.build_lang_qualified_type instead of
build_qualified_type and/or build_qualified_type with
optional lang_hooks.types.copy_lang_qualifiers call.
(attr_access::array_as_string): Use "array " attribute instead of
"array". If attribute has been created or intended quals differ
from quals of build_array_type, use copy_node and adjust quals and
attributes on the copy, print and then ggc_free.
2026-01-28 Jakub Jelinek <jakub@redhat.com>
PR c++/123837
* ipa-free-lang-data.cc (find_decls_types_r): Remove C++ annotations
from {DECL,TYPE}_ATRIBUTES.
2026-01-28 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123849
* gimple-ssa-warn-access.cc (new_delete_mismatch_p): Handle
DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE like DEMANGLE_COMPONENT_BUILTIN_TYPE.
2026-01-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/110043
* pointer-query.cc (get_offset_range): Fail for integer
types with precision larger than ptrdiff_type_node.
2026-01-28 Hongyu Wang <hongyu.wang@intel.com>
PR target/123779
* config/i386/sse.md (*sse4_1_<code>v8qiv8hi2<mask_name>_2):
Rename to ...
(*sse4_1_<code>v8qiv8hi2_2): ... this, and drop mask conditions.
(*avx2_<code>v8qiv8si2<mask_name>_2): Rename to ...
(*avx2_<code>v8qiv8si2_2): ... this, and likewise.
(*sse4_1_<code>v4qiv4si2<mask_name>_2): Rename to ...
(*sse4_1_<code>v4qiv4si2_2): ... this, and likewise.
(*sse4_1_<code>v4hiv4si2<mask_name>_2): Rename to ...
(*sse4_1_<code>v4hiv4si2_2): ... this, and likewise.
(*avx2_<code>v4qiv4di2<mask_name>_2): Rename to ...
(*avx2_<code>v4qiv4di2_2): ... this, and likewise.
(*avx2_<code>v4hiv4di2<mask_name>_2): Rename to ...
(*avx2_<code>v4hiv4di2_2): ... this, and likewise.
(*sse4_1_<code>v2hiv2di2<mask_name>_2): Rename to ...
(*sse4_1_<code>v2hiv2di2_2): ... this, and likewise.
(*sse4_1_<code>v2siv2di2<mask_name>_2): Rename to ...
(*sse4_1_<code>v2siv2di2_2): ... this, and likewise.
(*avx512f_<code>v8qiv8di2<mask_name>_2): Rename to ...
(*avx512f_<code>v8qiv8di2_2): ... this.
(*avx512vl_<code>v8qiv8hi2_mask_2): New define_insn_and_split.
(*avx512vl_<code>v8qiv8si2_mask_2): Likewise.
(*avx512vl_<code>v4qiv4si2_mask_2): Likewise.
(*avx512vl_<code>v4hiv4si2_mask_2): Likewise.
(*avx512f_<code>v8qiv8di2_mask_2): Likewise.
(*avx512vl_<code>v4qiv4di2_mask_2): Likewise.
(*avx512vl_<code>v4hiv4di2_mask_2): Likewise.
(*avx512vl_<code>v2hiv2di2_mask_2): Likewise.
(*avx512vl_<code>v2siv2di2_mask_2): Likewise.
2026-01-28 Nina Ranns <dinka.ranns@gmail.com>
Iain Sandoe <iain@sandoe.co.uk>
Ville Voutilainen <ville.voutilainen@gmail.com>
* doc/invoke.texi: Document -fcontracts-client-check= and
-fcontracts-definition-check=.
2026-01-28 Nina Ranns <dinka.ranns@gmail.com>
Iain Sandoe <iain@sandoe.co.uk>
Ville Voutilainen <ville.voutilainen@gmail.com>
* doc/invoke.texi: Document -fcontract-checks-outlined and
-fcontract-disable-optimized-checks.
2026-01-28 Nina Ranns <dinka.ranns@gmail.com>
Iain Sandoe <iain@sandoe.co.uk>
* tree-core.h (struct tree_base): Update tree flag usage comment.
2026-01-28 Nina Ranns <dinka.ranns@gmail.com>
Iain Sandoe <iain@sandoe.co.uk>
* tree.h (CONST_WRAPPER_P): New.
2026-01-28 Nina Ranns <dinka.ranns@gmail.com>
Iain Sandoe <iain@sandoe.co.uk>
* doc/invoke.texi: Document -fcontracts-conservative-ipa.
2026-01-28 Iain Sandoe <iain@sandoe.co.uk>
Nina Ranns <dinka.ranns@gmail.com>
Ville Voutilainen <ville.voutilainen@gmail.com>
* config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Add cases for contract
constant data that need to be in independent link-time 'atoms'.
* doc/invoke.texi: Document -fcontracts and
-fcontract-evaluation-semantic=.
2026-01-28 Iain Sandoe <iain@sandoe.co.uk>
Nina Ranns <dinka.ranns@gmail.com>
* doc/invoke.texi: Remove documentation of contracts options.
2026-01-27 Jakub Jelinek <jakub@redhat.com>
PR other/123841
* acinclude.m4 (gcc_GAS_FLAGS) <i?86-*-* | x86_64-*-*>: Set
gcc_cv_as_flags irrespective of $gas_flag.
* configure: Regenerate.
2026-01-27 David Malcolm <dmalcolm@redhat.com>
PR analyzer/122623
* doc/invoke.texi (-fanalyzer-assume-nothrow): New option.
2026-01-27 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR middle-end/97898
* omp-expand.cc (expand_omp_for_static_chunk): Don't
conditionalize the call to force_gimple_operand_gsi on DECL_P/TREE_ADDRESSABLE
but rather pass that as the 3rd argument.
2026-01-27 Jan Hubicka <hubicka@ucw.cz>
PR ipa/123619
* ipa-polymorphic-call.cc
(ipa_polymorphic_call_context::possible_dynamic_type_change): Remove impossible
speuculation.
2026-01-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (ld_32_opt, ld_64_opt): Set.
(ld_ix86_gld_32_opt): Replace by ld_32_opt.
(ld_ix86_gld_64_opt): Replace by ld_64_opt.
Replace -melf_x86_64 by ld_64_opt.
* configure: Regenerate.
2026-01-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* acinclude.m4 (gcc_cv_as_flags) Provide Solaris settings.
Apply Linux/x86 gas settings on all x86 gas targets, too.
(as_32_opt, as_64_opt): Set on all x86 gas targets.
* configure.ac: Consistenly use as_32_opt, as_64_opt instead of
as_ix86_gas_{32,64}_opt or hardcoded --64.
<sparc*-*-*>: Simplify setting TLS test code.
* configure: Regenerate.
2026-01-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (fw_as_opt): Set.
Replace --fatal-warnings by $fw_as_opt.
(tls_as_opt): Remove --fatal-warnings.
(gcc_cv_as_tls): Use $fw_as_opt.
* configure: Regenerate.
2026-01-27 Richard Biener <rguenther@suse.de>
PR ipa/116296
* ipa-modref-tree.cc (modref_access_node::contains): Use
poly_offset_int for the param offset difference and the
overlap computation.
2026-01-27 Richard Biener <rguenther@suse.de>
PR debug/123376
* dwarf2out.cc (tree_add_const_value_attribute): Walk all
initializers for early mangling of referenced decls.
(mangle_referenced_decls): Also walk subtrees of CONSTRUCTORS.
2026-01-27 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123799
* tree-ssa-forwprop.cc (simplify_vector_constructor): Pun
conversion element type with integer type.
2026-01-27 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/123791
* config/aarch64/aarch64.cc (aarch64_cannot_force_const_mem):
Always return true for symbols and labels except for large model.
(aarch64_select_rtx_section): Force .rodata for constants only.
2026-01-27 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/123792
* config/aarch64/aarch64.md (aarch64_<optab>_reg_minus<mode>3):
Add support for invert in shift count.
2026-01-27 Tobias Burnus <tburnus@baylibre.com>
* doc/install.texi (gcn): Require Newlib 4.6.0+, replacing 4.3.0+
requirement with long list of recommended fixes up to post-4.5.0.
2026-01-27 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122749
* tree-ssa-math-opts.cc (convert_mult_to_fma_1, convert_mult_to_fma):
Unwrap converts around addend.
2026-01-26 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123820
* gimple-ssa-strength-reduction.cc (create_add_on_incoming_edge): Use
the correct type for the stride (lhs if non-pointer).
2026-01-26 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR middle-end/123709
* final.cc (output_asm_operand_names): Skip over
opnum which is MAX_RECOG_OPERANDS (invalid).
(output_asm_insn): Increase opoutput and oporder size
by 1. For out of range operands, set the opnum to
MAX_RECOG_OPERANDS.
2026-01-26 Filip Kastl <fkastl@suse.cz>
* doc/invoke.texi: Document --param auto-profile-reorder-only.
* params.opt: Fix spelling.
2026-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/122474
* tree-vectorizer.h (vect_reduc_info_s::neutral_op): New.
(VECT_REDUC_INFO_NEUTRAL_OP): New.
* tree-vect-loop.cc (vectorizable_reduction): Adjust condition
guarding the check for .VEC_SHL_INSERT.
2026-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/123755
* tree-vect-stmts.cc (vectorizable_call): Fixup LEN masking
of unconditional but possibly trapping calls.
2026-01-26 Victor Do Nascimento <victor.donascimento@arm.com>
PR tree-optimization/123657
* tree-vect-loop.cc (vect_analyze_loop_form): Add
chrec_dont_know check.
2026-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/123794
* tree-vect-slp.cc (vect_remove_slp_scalar_calls): Unlink
VOPs for all calls.
2026-01-26 Tamar Christina <tamar.christina@arm.com>
PR tree-optimization/122103
PR tree-optimization/123628
* tree-if-conv.cc (if_convertible_simdclone_stmt_p): New.
(if_convertible_stmt_p, predicate_statements): Use it.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
* gcc-urlifier.cc (test_gcc_urlifier): Match either positive
or negative option URLS.
2026-01-25 Roger Sayle <roger@nextmovesoftware.com>
PR middle-end/122348
* expr.cc (store_constructor): Ignore fields where DECL_SIZE
is NULL_TREE, i.e. flexible array members.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
* common.opt.urls: Regenerated.
* config/alpha/alpha.opt.urls: Regenerated.
* config/arc/arc.opt.urls: Regenerated.
* config/arm/arm.opt.urls: Regenerated.
* config/avr/avr.opt.urls: Regenerated.
* config/bpf/bpf.opt.urls: Regenerated.
* config/cris/cris.opt.urls: Regenerated.
* config/lynx.opt.urls: Regenerated.
* config/m68k/m68k.opt.urls: Regenerated.
* config/mcore/mcore.opt.urls: Regenerated.
* config/mingw/cygming.opt.urls: Regenerated.
* config/mips/mips.opt.urls: Regenerated.
* config/mips/sde.opt.urls: Regenerated.
* config/mmix/mmix.opt.urls: Regenerated.
* config/nvptx/nvptx.opt.urls: Regenerated.
* config/rs6000/linux64.opt.urls: Regenerated.
* config/rs6000/rs6000.opt.urls: Regenerated.
* config/rs6000/sysv4.opt.urls: Regenerated.
* config/sh/sh.opt.urls: Regenerated.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
* doc/invoke.texi (Option Summary): Fix whitespace in @gccoptlist
tables.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/cppopts.texi: Add missing @opindex entries for
-fno-* options.
* doc/invoke.texi: Likewise.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/cppwarnopts.texi: Add missing @opindex entries for
-Wno-* options.
* doc/invoke.texi: Likewise.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/cppdiropts.texi: Document -imultiarch.
* doc/invoke.texi (Option Summary) <Optimization Options>: Add
-flto-toplevel-asm-heuristics.
<Program Instrumentation Options>: Remove -fbounds-check.
<Directory Options>: Add -imultiarch.
<ARC Options>: Add -mbitops, -mcmem, -munaligned-access.
<ARM Options>: Add -mvectorize-with-neon-quad and
-mvectorize-with-neon-double.
<AVR Options>: Add -mrmw and -mstrict-X.
<CRIS Options>: Fix typo in -mmax-stackframe.
<Cygwin and MinGW Options>: Add -muse-libstdc-wrappers.
<M680x0 Options>: Add several missing CPU options, plus -mxtls.
<MIPS Options>: Add -mno-data-in-code and -mcode-xonly.
<MMIX Options>: Add mset-data-start, -mset-program-start, and
-mno-set-program-start.
<Nvidia PTX Options>: Add -msoft-stack-reserve-local.
<RS/6000 and PowerPC Options>: Add -mprofile-kernel, -mbit-word,
-mno-splat-word-constant, -mno-splat-float-constant,
-mno-ieee128-constant, and -mno-warn-altivec-long.
(Optimization Options): Document -flto-toplevel-asm-heuristics.
(ARC Options): Document -mbitops and -mcmem.
(ARM Options): Add index entries for mbe32,
m[no-]fix-cortex-a57-aes-1742098, m[no-]fix-cortex-a72-aes-1655431.
Document -mvectorize-with-neon-quad and -mvectorize-with-neon-double.
(AVR Options): Document -mpmem-wrap-around.
(CRIS Options): Fix typo in -mmax-stackframe.
(Cygwin and MinGW Options): Document -muse-libstdc-wrappers.
(DEC Alpha Options): Fix typo in -mfp-regs.
(eBPF Options): Add @opindex for -mframe-limit.
(HPPA Options): Fix typos in -mno-disable-fpregs and -mno-gas
index entries.
(m680x0 Options): Document -m68302, -m68332, -m68851, and -mfidoa.
Document -mnoshort and -mnortd aliases. Document -mxtls.
(MCore Options): Fix typos in -m[no-]relax-immediates.
(MIPS Options): Document -mno-data-in-code and -mcode-xonly.
(MMIX Options): Document -mset-data-start, -mset-program-start, and
-mno-set-program-start.
(Nvidia PTX Options): Document -msoft-stack-reserve-local.
(RS/6000 and PowerPC Options): Document -mprofile-kernel,
-mbit-word, -msplat-word-constant, -msplat-float-constant,
-mieee128-constant, and -mwarn-altivec-long.
(SH Options): Add index entry for -m2e. Document -m4-400.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* common.opt (fbounds-check): Mark as Undocumented, expand comments
to explain why.
* config/frv/frv.opt (msched-lookahead=): Mark unused option as
Undocumented.
* config/m68k/m68k.opt (m68851): Add RejectNegative.
* config/nvptx/nvptx.opt (minit-regs=): Mark as Undocumented. It's
not currently documented and seems to have been introduced as a
stopgap to experiment with different implementation strategies.
* config/rs6000/476.opt (mpreserve-link-stack): Mark as Undocumented.
It seems to be an internal option that is enabled by default on the
cpu that can benefit from it.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* common.opt (gtoggle): Mark RejectNegative.
* doc/invoke.texi (Option Summary) <Debugging Options>: Remove
redundant -gno- forms from the list.
(Debugging Options): Add @opindex for -gno- option forms.
Copy-edit option descriptions to avoid future tense and use of
implementor jargon.
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/67300
* common.opt (foffload-abi, foffload-abi-host-opts): Mark
"Undocumented".
2026-01-25 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/invoke.texi (Option Summary) <LynxOS Options>: New.
(LynxOS Options): New section.
2026-01-24 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123803
* gimple-ssa-strength-reduction.cc (replace_rhs_if_not_dup): For
pointer lhs use sizetype.
2026-01-23 Robin Dapp <rdapp@oss.qualcomm.com>
PR target/123780
* config/riscv/vector.md: Correct output template.
2026-01-23 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123767
* tree-vect-stmts.cc (vectorizable_store): Only scale offset
once.
(vectorizable_load): Ditto.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123778
* genmatch.cc (parser::parse_expr): Peek on the next
token after eating the `!` or `^`.
* match.pd (`(op (cnd @0 @1 @2) @3)`, `(op @3 (cnd @0 @1 @2))`):
Add the type to resulting op.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/120258
PR tree-optimization/106883
* gimple-ssa-strength-reduction.cc (replace_mult_candidate): Allow for
basis_name and bump_tree not to be the same type as the lhs.
Rewrite added multiply for undefined overflow.
(create_add_on_incoming_edge): Allow for init
to be a different type from the wanted type.
Rewrite added add for undefined overflow.
(replace_rhs_if_not_dup): Rewrite replaced stmts
for undefined overflow.
(replace_one_candidate): Allow for basis_name and
rhs2 to be a different type from lhs.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/106883
* gimple-ssa-strength-reduction.cc (create_add_on_incoming_edge): Rewrite
the new addition on the edge too.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* gimple-ssa-strength-reduction.cc (introduce_cast_before_cand): Use
gimple_convert instead of manually creating the gimple_assign.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/121347
PR tree-optimization/106883
* gimple-ssa-strength-reduction.cc (insert_initializers): Rewrite
newly inserted statements for undefinedness (overflow).
2026-01-23 Peter Bergner <bergner@tenstorrent.com>
PR target/123492
* config/riscv/riscv-cores.def (RISCV_CORE): Add zvfbfmin to
tt-ascalon-d8.
2026-01-23 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123776
* gimple-fold.cc (gimple_fold_partial_load_store): Copy
the vdef from the old statement to the new statement of a
load that is also a store to non gimple_reg.
2026-01-23 Richard Sandiford <rdsandiford@googlemail.com>
PR rtl-optimization/80357
PR rtl-optimization/94014
PR rtl-optimization/123144
* haifa-sched.cc (model_recompute): Ignore dying uses of registers
that are not assumed to be live.
2026-01-23 Richard Biener <rguenther@suse.de>
* match.pd ((convert (vec_cond ...))): Make sure the
resulting vec_cond can be expanded.
2026-01-23 Richard Biener <rguenther@suse.de>
PR middle-end/123775
* match.pd ((view_convert (vec_cond ...))): Make sure the
resulting vec_cond can be expanded.
2026-01-23 Kyrylo Tkachov <ktkachov@nvidia.com>
Revert:
2026-01-20 Kyrylo Tkachov <ktkachov@nvidia.com>
PR target/123584
* config/aarch64/aarch64-sve2.md (@aarch64_sve2_xar<mode>): Use
aarch64_simd_rshift_imm predicate for rotate amount.
2026-01-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/123703
* builtins.cc (fold_builtin_abs): Return NULL_TREE if type is not
integral.
2026-01-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/123771
* tree-vect-loop.cc (vectorizable_induction): Convert step
also for VLA vectors.
2026-01-23 Richard Biener <rguenther@suse.de>
* config/i386/i386.cc (ix86_vector_costs::finish_cost):
Avoid selecting masked epilogs for in-order reductions.
2026-01-23 Hongyu Wang <hongyu.wang@intel.com>
* config/i386/sse.md (avx2_vbroadcasti128_<mode>): Constraint
alternative 0 with jm and add gpr16 attr to avoid egpr usage.
2026-01-22 Richard Earnshaw <rearnsha@arm.com>
PR target/123742
* config/arm/neon.md (*smin<mode>3_neon): Renamed to ...
(*smin<VDQWH:mode>3_neon): ... this. Add HFmode support.
(*smax<mode>3_neon): Renamed to ...
(*smax<VDQWH:mode>3_neon): ... this. Add HFmode support.
2026-01-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/123741
* tree-vect-stmts.cc (vectorizable_store): Add missing check
on loop vectorization.
2026-01-22 Jonathan Wakely <jwakely@redhat.com>
* tree-vrp.cc (remove_unreachable::fully_replaceable): Fix typo
in comment.
2026-01-22 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123731
* tree-ssa-forwprop.cc (simplify_vector_constructor): Handle nop
conversion between during extraction.
2026-01-22 Robin Dapp <rdapp@oss.qualcomm.com>
PR target/122869
* config/riscv/riscv-vector-builtins-bases.cc (fold_fault_load):
Remove
* config/riscv/riscv-vector-builtins.cc (function_expander::use_contiguous_load_insn):
Use new helper.
(function_expander::prepare_contiguous_load_insn): New helper.
(function_expander::use_fof_load_insn): New function to emit FoF
loads.
* config/riscv/riscv-vector-builtins.h: Declare new functions.
2026-01-22 Robin Dapp <rdapp@oss.qualcomm.com>
PR target/123279
* config/riscv/riscv-vector-builtins-functions.def (REQUIRED_EXTENSIONS):
Add VECTOR_EXT_NO_XTHEAD.
(vlm): Move to VECTOR_EXT_NO_XTHEAD.
(vsm): Ditto.
(vzext): Ditto.
(vsext): Ditto.
(vaaddu): Ditto.
(vaadd): Ditto.
(vasubu): Ditto.
(vasub): Ditto.
(vfrsqrt7): Ditto.
(vfrec7): Ditto.
(vfrec7_frm): Ditto.
(vfslide1up): Ditto.
(vfslide1down): Ditto.
(vluxei8): Ditto.
(vluxei16): Ditto.
(vluxei32): Ditto.
(vluxei64): Ditto.
(vsuxei8): Ditto.
(vsuxei16): Ditto.
(vsuxei32): Ditto.
(vsuxei64): Ditto.
(vluxseg): Ditto.
(vsuxseg): Ditto.
(vrgatherei16): Ditto.
(vlseg): Keep.
(vsseg): Keep.
(vlsseg): Keep.
(vssseg): Keep.
(vloxseg): Keep.
(vsoxseg): Keep.
(vlsegff): Keep.
* config/riscv/riscv-vector-builtins.cc (GTY): Split
registered_functions into multiple partitions.
(is_fractional_lmul): New function.
(xthvector_unsupported_p): Ditto.
(get_builtin_partition): Ditto.
(function_builder::add_function): Use new functions.
(lookup_registered_function): Ditto.
(builtin_decl): Use lookup_registered_function.
(gimple_fold_builtin): Ditto.
(expand_builtin): Ditto.
(check_builtin_call): Ditto.
(resolve_overloaded_builtin): Ditto.
* config/riscv/riscv-vector-builtins.h (enum required_ext):
(enum rvv_builtin_partition): New enum.
(required_ext_to_isa_name): Add NO_XTHEAD.
(required_extensions_specified): Ditto.
* config/riscv/riscv-vector-switch.def (ENTRY): Remove
XTheadVector.
(TUPLE_ENTRY): Ditto.
* config/riscv/riscv.cc (riscv_expand_mult_with_const_int): Fix
whitespace.
(riscv_legitimize_poly_move): Ditto.
(riscv_vector_fractional_lmul_p): New function.
(riscv_validate_vector_type): Use new function.
2026-01-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/123755
* tree-vect-stmts.cc (vectorizable_call): Register mask when
the call could trap.
2026-01-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/123756
* tree-vect-loop.cc (vect_transform_reduction): Remove
bogus assert.
2026-01-22 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123736
* tree-ssa-loop-unswitch.cc (hoist_guard): Guard dump message
on dump_file && (dump_flags & TDF_DETAILS) condition.
2026-01-22 David Malcolm <dmalcolm@redhat.com>
PR diagnostics/122622
* diagnostics/paths-output.cc: Include "diagnostics/file-cache.h".
(event_range::print_as_text): Generalize the fallback logic for
special locations to also cover the case where source-printing
will fail, and show the location for that case.
(event_range::print_as_html): Likewise.
(event_range::can_print_source_p): New.
2026-01-22 liuhongt <hongtao.liu@intel.com>
PR target/123631
* config/i386/i386-expand.cc (ix86_vector_duplicate_value):
Don't force CONST_INT to reg !TARGET_PREFER_BCST_FROM_INTEGER,
force it to mem instead.
* config/i386/i386.h (TARGET_PREFER_BCST_FROM_INTEGER): New macro.
* config/i386/x86-tune.def
(X86_TUNE_PREFER_BCST_FROM_INTEGER): New tune.
2026-01-21 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
PR target/122781
* config/s390/vector.md: Don't emulate vec_cmpgtu for 128-bit
integers for VXE3.
2026-01-20 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR rtl-optimization/123380
* combine.cc (gen_lowpart_for_combine): Don't try to create a
paradoxical SUBREG if it's going to be rejected by validate_subreg.
2026-01-20 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR target/123626
* config/riscv/vector.md (vxrm_mode): Handle CALL_INSNs, which set
the attribute to the new VXRM_MODE_CLOBBER state.
* config/riscv/riscv.cc (riscv_emit_mode_set): Don't emit code when
VXRM's state changes to VXRM_MODE_CLOBBER.
2026-01-20 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/123314
* gimple-range.cc (gimple_ranger::range_on_entry): Do not check
ranger cache for an SSA_NAME with no BB.
(gimple_ranger::prefill_stmt_dependencies): Stop filling
dependencies when an out-of IL name is encountered.
2026-01-20 supers1ngular <supers1ngular@baylibre.com>
* doc/extend.texi: Swap samp fields to fix overfull hbox.
* doc/invoke.texi: Ditto.
2026-01-20 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
PR c++/123639
* doc/invoke.texi: Add @item for -Wsfinae-incomplete.
2026-01-20 Nathan Sidwell <nathan@acm.org>
* diagnostics/context.cc (context::action_after_output): Print
invocation on ICE.
2026-01-20 David Malcolm <dmalcolm@redhat.com>
PR sarif-replay/123056
* libsarifreplay.cc (struct embedded_link): Move decl earlier.
(sarif_replayer::append_embeddded_link): New.
(sarif_replayer::make_plain_text_within_result_message): Move the
link-replay logic to the above, and skip the link part of
intra-sarif links.
2026-01-20 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr.cc (TARGET_SETJMP_PRESERVES_NONVOLATILE_REGS_P):
Return true when WITH_AVRLIBC.
2026-01-20 Alfie Richards <alfie.richards@arm.com>
* config/aarch64/aarch64.md: Update comment.
* config/aarch64/aarch64-simd.md: Change comment to refer to
aarch64.md.
* config/aarch64/aarch64-sme.md: Likewise.
* config/aarch64/aarch64-sve.md: Likewise.
* config/aarch64/aarch64-sve2.md: Likewise.
* config/aarch64/aarch64-sve-builtins.def: Update comment.
* config/aarch64/aarch64-sve-builtins-base.def: Update to refer
to aarch64-sve-builtins.def.
* config/aarch64/aarch64-sve-builtins-sme.def: Likewise.
* config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
2026-01-20 Jakub Jelinek <jakub@redhat.com>
PR target/123724
* config/aarch64/aarch64.cc (aarch64_possible_by_lane_insn_p): Ignore
debug stmts.
2026-01-20 Roger Sayle <roger@nextmovesoftware.com>
PR rtl-optimization/123585
* simplify-rtx.cc (simplify_context::simplify_binary_operation_1)
<case VEC_SELECT>: Correct gcc_assert when optimizing a vec_select
of a vec_select with differing vector lengths.
2026-01-20 Kyrylo Tkachov <ktkachov@nvidia.com>
PR target/123584
* config/aarch64/aarch64-sve2.md (@aarch64_sve2_xar<mode>): Use
aarch64_simd_rshift_imm predicate for rotate amount.
2026-01-20 Kyrylo Tkachov <ktkachov@nvidia.com>
PR target/123584
* config/aarch64/aarch64-simd.md (aarch64_xarqv2di): Leave zero
rotate amounts as zero during expansion.
(*aarch64_xarqv2di_insn): Account for zero rotate amounts. Print #
in rotate immediate.
2026-01-20 Prachi Godbole <pgodbole@nvidia.com>
* flag-types.h (enum lto_locality_heuristics): New enum.
* ipa-locality-cloning.cc (struct templ_info): New struct.
(struct locality_info): Add templ_info field.
(templ_hash_map): New hash_map.
(callee_templ_cmp): Ditto.
(static_profile_templ_cmp): Ditto.
(sort_templ_hashes_cmp): Ditto.
(order_templ_hashes): Ditto.
(locality_dc_template_p): Ditto.
(populate_templ_info): Ditto.
(create_locality_info): Call populate_templ_info.
(partition_callchain): Call callee_templ_cmp.
(locality_determine_static_order): Populate and sort templ_hash_map.
(locality_partition_and_clone): Handle lto_locality_heuristics.
(lc_execute): Initialize templ_hash_map.
* params.opt: New param.
2026-01-20 Prachi Godbole <pgodbole@nvidia.com>
* ipa-locality-cloning.cc (struct locality_callee_info): New struct.
(struct locality_info): Ditto.
(loc_infos): Ditto.
(get_locality_info): New function.
(sort_all_callees_default): Ditto.
(callee_default_cmp): Ditto.
(populate_callee_locality_info): Ditto.
(populate_caller_locality_info): Ditto.
(create_locality_info): Ditto.
(adjust_recursive_callees): Access node_to_clone by reference.
(inline_clones): Access node_to_clone and clone_to_node by reference.
(clone_node_as_needed): Ditto.
(accumulate_incoming_edge_frequency): Remove function.
(clone_node_p): New function.
(partition_callchain): Refactor the function.
(is_entry_node_p): Call local_p ().
(locality_determine_ipa_order): Call create_locality_info ().
(locality_determine_static_order): Ditto.
(locality_partition_and_clone): Update call to partition_callchain ()
according prototype.
(lc_execute): Allocate and free node_to_ch_info, node_to_clone,
clone_to_node.
2026-01-20 Richard Biener <rguenther@suse.de>
PR middle-end/123697
* gimple-fold.cc (gimple_fold_partial_load_store): Use an
empty CTOR for a zero else value in .MASK_LOAD_LANES.
2026-01-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/123729
* tree-vect-loop.cc (vect_create_epilog_for_reduction): Set
SSA_NAME_OCCURS_IN_ABNORMAL_PHI if the reduction flows
across an abnomal edge.
2026-01-20 Richard Biener <rguenther@suse.de>
* tree-phinodes.h (phi_arg_index_from_use): Use gphi *.
(phi_arg_edge_from_use): New helper composing
phi_arg_index_from_use and gimple_phi_arg_edge.
2026-01-19 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR rtl-optimization/121787
* config/riscv/riscv-vsetvl.cc (pre_vsetvl): Adjust call to
loop_optimizer_init to avoid making CFG changes.
2026-01-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/sol2.opt.urls: Regenerate.
* config/darwin.opt.urls: Likewise.
* config/dragonfly.opt.urls: Likewise.
* config/freebsd.opt.urls: Likewise.
* config/gnu-user.opt.urls: Likewise.
* config/hpux11.opt.urls: Likewise.
* config/i386/cygwin.opt.urls: Likewise.
* config/mingw/mingw.opt.urls: Likewise.
* config/netbsd.opt.urls: Likewise.
* config/openbsd.opt.urls: Likewise.
* config/rs6000/aix64.opt.urls: Likewise.
* config/rtems.opt.urls: Likewise.
2026-01-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/sol2.h (CPP_SUBTARGET_SPEC): Remove.
* config/sol2.opt (pthread): Ignore.
(pthreads): Likewise.
* config/i386/sol2.h (CPP_SPEC): Remove.
(SUBTARGET_CPU_EXTRA_SPECS): Remove cpp_subtarget.
* doc/invoke.texi (Solaris 2 Options, pthread): Remove.
2026-01-19 Jeff Law <jeffrey.law@oss.qualcomm.com>
Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR target/113666
* fold-const-call.cc (fold_const_vec_extract): New function.
(fold_const_call, case CFN_VEC_EXTRACT): Call it.
* match.pd (IFN_VEC_EXTRACT): Handle extraction from a uniform
vector.
2026-01-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/123061
PR tree-optimization/123636
* tree-ssa-loop-im.cc (fill_always_executed_in_1): Change
outer-to-inner to inner-to-outer iteration. Update inner
loop state only when always executed in an immediately
nested loop.
2026-01-19 Tobias Burnus <tburnus@baylibre.com>
* doc/install.texi (GCN): gfx9-4-generic requires LLVM 20.
2026-01-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/123602
* tree-ssa-pre.cc (find_or_generate_expression): Do not
generate references to abnormal SSA names.
2026-01-19 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* config.gcc: Deprecate -m31.
* doc/invoke.texi: Deprecate -m31.
2026-01-19 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123656
* tree-vect-generic.cc (expand_vector_mult): Fix up alg_sub_factor
handling. Fix up formatting in alg_add_t_m2 handling.
2026-01-19 Richard Biener <rguenther@suse.de>
PR target/123603
* config/i386/i386.opt (-param=ix86-vect-compare-costs=): Add.
* config/i386/i386.cc (ix86_autovectorize_vector_modes): Honor it.
* doc/invoke.texi (ix86-vect-compare-costs): Document.
2026-01-19 Lulu Cheng <chenglulu@loongson.cn>
PR target/117575
* config/loongarch/lasx.md: Modify the range of operand1.
2026-01-18 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/123645
* tree-ssa-phiopt.cc (cond_removal_in_builtin_zero_pattern): Rewrite
the canonicalization of the args code based on e1/e2 being edges into
the join block.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
* config/darwin.opt.urls: Regenerated.
* config/dragonfly.opt.urls: Regenerated.
* config/freebsd.opt.urls: Regenerated.
* config/gnu-user.opt.urls: Regenerated.
* config/hpux11.opt.urls: Regenerated.
* config/i386/cygwin.opt.urls: Regenerated.
* config/i386/i386.opt.urls: Regenerated.
* config/mingw/mingw.opt.urls: Regenerated.
* config/nds32/nds32.opt.urls: Regenerated.
* config/netbsd.opt.urls: Regenerated.
* config/nvptx/nvptx.opt.urls: Regenerated.
* config/openbsd.opt.urls: Regenerated.
* config/pru/pru.opt.urls: Regenerated.
* config/riscv/riscv.opt.urls: Regenerated.
* config/rl78/rl78.opt.urls: Regenerated.
* config/rs6000/aix64.opt.urls: Regenerated.
* config/rs6000/rs6000.opt.urls: Regenerated.
* config/rs6000/sysv4.opt.urls: Regenerated.
* config/rtems.opt.urls: Regenerated.
* config/rx/rx.opt.urls: Regenerated.
* config/s390/s390.opt.urls: Regenerated.
* config/s390/tpf.opt.urls: Regenerated.
* config/sh/sh.opt.urls: Regenerated.
* config/sol2.opt.urls: Regenerated.
* config/sparc/sparc.opt.urls: Regenerated.
* config/v850/v850.opt.urls: Regenerated.
* config/vax/vax.opt.urls: Regenerated.
* config/vxworks.opt.urls: Regenerated.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/nds32/nds32.opt: Tidy documentation strings.
(mbig-endian, mlittle-endian): Remove "Undocumented" flag since
these are, in fact, documented.
* doc/invoke.texi (Option Summary) <NDS32 Options>: Document
-EB, -EL, -mabi, -mfloat-abi, -malways-align, -malign-functions,
-mfp-as-gp, -mext-dsp, -mext-fpu-fma, -mext-fpu-sp, -mext-fpu-dp,
-misr-vector-size, -misr-secure, -mcpu, -mconfig-fpu,
-mconfig-mul, -mconfig-register-ports, -mrelax-hint,
-msched-prolog-epilog, -mno-ret-in-naked-func, -malways-save-lp,
-munaligned-access, and -minline-asm-r15.
(NDS32 Options): Likewise.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/xtensa/uclinux.opt (elf2flt, elf2flt=): Mark as Undocumented.
* config/xtensa/xtensa.opt (mlra): Likewise.
* doc/invoke.texi (Option Summary) <Xtensa Options>: Remove
redundant negative forms plus obsolete -mfused-madd option.
(Xtensa Options): Likewise undocument -mfused-madd. List
negative form of -mforce-no-pic.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/i386/i386.opt (malign-functions): Mark undocumented/unused
option as Undocumented.
(malign-jumps): Likewise.
(malign-loops): Likewise.
(mbranch-cost, mforce-drap): Mark undocumented options likely
intended for developer use only as Undocumented.
(mstv): Correct sense of option in doc string.
(mavx512cd): Remove extra "and" from doc string.
(mavx512dq): Likewise.
(mavx512bw): Likewise.
(mavx512vl): Likewise.
(mavx512ifma): Likewise.
(mavx512bvmi): Likewise.
* doc/invoke.texi (Options Summary) <x86 Options>: Add
missing options. Correct whitespace and re-wrap long lines.
Remove -mthreads which is now classed as a MinGW option.
(Cygwin and MinGW Options): Replace existing documentation of
-mthreads with the more detailed text moved from x86 Options.
(x86 Options): Move introductory text about ISA extensions before
the individual options instead of after. Document them all
individually instead of as a group, and move immediately after
-march/-mtune documentation. Rewrap long lines. Document
interaction between SSE and AVX with -mfpmath=sse. Move -masm
documentation farther down instead of grouped with options
affecting floating-point behavior. Add missing @opindex
entries. Rewrite the -mdaz-ftz documentation. Document
-mstack-arg-probe. Copy-editing. Document -mstv. Remove
obsolete warning about -mskip-rax-setup in very old GCC versions.
Rewrite the -mapx-inline-asm-use-gpr32 documentation.
Document -mgather and -mscatter. Split -miamcu documentation
from -m32/-m64/etc. Rewrite -munroll-only-small-loops documentation.
Document -mdispatch-scheduler.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/invoke.texi (Option Summary) <VxWorks Options>: Add -mvthreads.
(VxWorks Options): Likewise.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/vms/vms.opt (map): Mark as Undocumented.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/visium/visium.opt (menable-trampolines): Mark Undocumented.
* doc/invoke.texi (Options Summary) <Visium Options>: Remove
redundant -mno- option.
(Visium Options): Copy-editing to put in active voice and add markup.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/vax/elf.opt (mno-asm-pic): Mark as Undocumented.
* doc/invoke.texi (Option Summary) <VAX Options>: Add
-mvaxc-alignment and -mqmath.
(VAX Options): Likewise.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/v850/v850.opt: Copy-edit documentation strings.
(mdebug): Make Undocumented.
(mno-strict-align): Add RejectNegative.
(mUS-bit-set): Make Undocumented.
* doc/invoke.texi (Option Summary) <V850 Options>: Remove
redundant -mno- forms from list. Add missing entries.
(V850 Options): Add @opindex for negative forms. Combine
entries for -mapp-regs and -mno-app-regs. Document -msmall-sld,
-mno-strict-align, and -mjump-tables-in-data-section.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/invoke.texi (Option Summary) <SPARC Options>: Remove
redundant -mno- forms from the list. Add -mptr32 and -mptr64.
(SPARC Options): Document -mptr32 and -mptr64.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* doc/invoke.texi (Option Summary) <Solaris 2 Options>:
Remove redundant negative option forms from list. List both
-pthread and -pthreads.
(Solaris 2 Options): Index and list the negative forms here.
Combine the two @table environments. Document both -pthread
and -pthreads.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/sh/sh.opt (mhitachi, mpadstruct): Mark obsolete options
as Undocumented.
* doc/invoke.texi (Option Summary) <SH Options>: Add missing
entries for -m4-* and other options. Remove redundant -mno- entries
and obsolete options. Add missing options -mfdpic, -mlra.
(SH Options): Combine entries for -mrenesas and -mno-renesas.
Index and list -mno- forms for other options that have them.
Remove documentation for obsolete options -mpadstruct and
-mfused-madd. Add documentation for -mlra. Copy-edit and wrap long
lines throughout the section.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/s390/s390.opt (mbranch-cost): Mark as Undocumented.
* config/s390/tpf.opt (mtpf-trace-hook-prologue-check=): Likewise.
(mtpf-trace-hook-prologue-target=): Likewise.
(mtpf-trace-hook-epilogue-check=): Likewise.
(mtpf-trace-hook-epilogue-target=): Likewise.
* doc/invoke.texi (Option Summary) <S/390 and zSeries Options>:
Remove redundant -mno- entries and add missing options. Make
entries with arguments match the syntax in the main documentation.
(S/390 and zSeries Options): Light copy-editing. Wrap overly-long
lines. Add missing @opindex entries. Add documention for
-mmain, -mno-pic-data-is-text-relative, -mindirect-branch,
-mindirect-branch-jump, -mindirect-branch-call,
-mfunction-return, -mfunction-return-mem, -mfunction-return-reg,
-mindirect-branch-table, -mfentry, -mrecord-mcount, -mnop-mcount,
-mpreserve-args, and -munaligned-symbols.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/rx/rx.opt (mgcc-abi, mrx-abi): Mark as Undocumented.
* doc/invoke.texi (Option Summary) <RX Options>: Remove redundant
entries for -mno-forms, correct name of -msmall-data-limit option,
add -mlra, clean up formatting.
(RX Options): Minor copy-editing, add -mlra.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
* config/rs6000/darwin.opt (Waltivec-long-deprecated): Mark as
Undocumented.
(faltivec, ffix-and-continue, findirect-data): Likewise.
* config/rs6000/rs6000.opt (mvrsave): Likewise.
* config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback): Likewise.
(mshlib, mnewlib): Likewise.
* doc/invoke.texi (Option Summary) <RS/6000 and PowerPC Options>:
Document only one form of each option. Add missing options.
Correct whitespace.
(RS/6000 and PowerPC Options): Separately document -mpowerpc-gpopt,
-mpowerpc-gfxopt, -mpowerpc64, -mmfcrf, -mpopcntb, -mpopcntd,
-mfprnd, -mcmpb, and -mhard-dfp and move their documentation after
-mcpu=. Remove documentation for -mtoc which is unimplemented.
Add missing @opindex entries. Minor copy-editing and whitespace
fixes.
2026-01-17 Sandra Loosemore <sloosemore@baylibre.com>
PR other/122243
PR target/71340
* doc/invoke.texi (Option Summary) <RL78 Options>: Remove
never-implemented -m64bit-doubles and -m32bit-doubles options.
Add missing entries for -mrelax, -mes0, -mmul=rl78, -mcpu=rl78,
and -mrl78.
(RL78 Options): Likewise. Add missing @opindex entries.
Light copy-editing.
2026-01-17 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/123513
* tree.cc (valid_new_delete_pair_p): If new_name[3] or delete_name[3]
is 'I', return false with *pcertain set to false rather than true.
2026-01-16 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* hierarchical_discriminator.cc (init_copyid_allocator): Walks the function
body to find existing max copyids per location.
(record_existing_copyid): New.
2026-01-16 Alice Carlotti <alice.carlotti@arm.com>
PR target/123460
* config.gcc: Accept hyphens in aarch64 --with-arch extensions.
2026-01-16 David Malcolm <dmalcolm@redhat.com>
PR analyzer/123145
* timevar.def (TV_ANALYZER_SUPERGRAPH): Rename to...
(TV_ANALYZER_SUPERGRAPH_CREATION): ...this.
(TV_ANALYZER_SUPERGRAPH_FIXUP_LOCATIONS): New.
(TV_ANALYZER_SUPERGRAPH_SIMPLIFY): New.
(TV_ANALYZER_SUPERGRAPH_SORTING): New.
2026-01-16 Vladimir N. Makarov <vmakarov@redhat.com>
PR target/123092
* lra-constraints.cc (lra_constraints): Push insn on processing
stack after equivalence substitution.
2026-01-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR pch/110746
* config/host-freebsd.cc: New file.
* config.host <*-*-freebsd*>: Use it.
* config/x-freebsd: New file.
2026-01-16 Martin Jambor <mjambor@suse.cz>
PR ipa/123412
* ipa-cp.cc (devirtualization_time_bonus): Do add the indirect
edge frequency at least once even for targets which cannot be
inlined.
2026-01-16 Jakub Jelinek <jakub@redhat.com>
PR target/123607
* config/i386/i386.md (movhf_mask): Change constraint on
match_operand 2's second alternative from 0C to 0.
2026-01-16 Lulu Cheng <chenglulu@loongson.cn>
PR target/123521
* config/loongarch/loongarch.cc
(loongarch_expand_vector_init_same): Fixed a bug in the
vector initialization section..
2026-01-16 David Guillen Fandos <david@davidgf.net>
* config/mips/mips.h (ISA_HAS_FMIN_FMAX): Add R5900;
note that, R5900 is not IEEE754 fully compatiable.
2026-01-15 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
PR c++/120775
PR c++/123081
PR c++/122634
* attribs.cc (attribute_value_equal): Return false if either attribute
is ATTR_UNIQUE_VALUE_P.
(merge_attributes): Handle lists with ATTR_UNIQUE_VALUE_P values.
* doc/invoke.texi: Document -freflection.
* dwarf2out.cc (is_base_type) <case default>: Check
TREE_CODE >= LAST_AND_UNUSED_TREE_CODE instead of is_cxx_auto.
(gen_type_die_with_usage): For TREE_CODE >= LAST_AND_UNUSED_TREE_CODE
trees use use DW_TAG_unspecified_type.
* tree-core.h (struct tree_base): Update a comment.
* tree.h (ATTR_UNIQUE_VALUE_P): Define.
(BINFO_BASE_ACCESSES): Update the comment.
2026-01-15 Peter Damianov <peter0x44@disroot.org>
PR driver/123504
* config/i386/cygming.h (EXTRA_DEFAULT_COMPILERS): Comment out
.res spec to allow COFF files with .res extension to pass
through to the linker.
* config/aarch64/cygming.h (EXTRA_DEFAULT_COMPILERS): Likewise.
2026-01-15 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* ira-lives.cc (ira_implicitly_set_insn_hard_regs): Honor hard
register constraints.
* ira.cc (ira_setup_alts): Ditto.
2026-01-15 Stefan Schulze Frielinghaus <stefansf@gcc.gnu.org>
* doc/extend.texi: Document current limitations of hard register
constraints.
* stmt.cc (parse_output_constraint): Reject multiple hard
register constraints or a combination of hard register
constraints and regular register constraints in one alternative.
(parse_input_constraint): Ditto.
2026-01-15 Alfie Richards <alfie.richards@arm.com>
* config/aarch64/aarch64-simd.md: Add comment.
* config/aarch64/aarch64-sme.md: Likewise.
* config/aarch64/aarch64-sve-builtins-base.def: Likewise.
* config/aarch64/aarch64-sve-builtins-sme.def: Likewise.
* config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
* config/aarch64/aarch64-sve-builtins.def: Likewise.
* config/aarch64/aarch64-sve.md: Likewise.
* config/aarch64/aarch64-sve2.md: Likewise.
* config/aarch64/aarch64.md: Likewise.
2026-01-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/sparc/sparc.h (TARGET_SUN_TLS): Remove.
* config/sparc/sol2.h (TARGET_SUN_TLS): Likewise.
* config/sparc/sparc.cc (TARGET_ASM_OUTPUT_DWARF_DTPREL): Guard
with HAVE_GNU_AS.
(sparc_tls_got): Guard with !HAVE_GNU_AS.
(sparc_legitimize_tls_address): Likewise.
* config/sparc/sparc.md ("tls_delay_slot"): Likewise.
("@tie_add<P:mode>"): Likewise.
2026-01-15 Jakub Jelinek <jakub@redhat.com>
PR debug/121045
* tree-pretty-print.h (dump_location): Add new dump_flags_t
argument defaulted to TDF_NONE.
* tree-pretty-print.cc (dump_location): Add flags argument. Don't
print discriminator if TDF_COMPARE_DEBUG bit is set in flags.
(dump_block_node, dump_generic_node): Pass through flags to
dump_location.
* gimple-pretty-print.cc (dump_gimple_phi, pp_gimple_stmt_1,
dump_implicit_edges): Likewise.
(gimple_dump_bb_as_sarif_properties): Pass dump_flags to
dump_location.
* print-rtl.cc (rtx_writer::print_rtx_operand_code_L): If dump_flags
has TDF_COMPARE_DEBUG bit set, don't print discriminators.
2026-01-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/i386/sol2.h [!HAVE_GNU_AS] (ASM_CPU32_DEFAULT_SPEC): Use -m32.
(ASM_CPU64_DEFAULT_SPEC): Use -m64.
2026-01-15 Josef Melcr <josef.melcr@suse.com>
PR ipa/122852
* cgraph.cc (cgraph_node::verify_node): Verify that callback
edges are unreachable when the carrying edge is unreachable.
* ipa-fnsummary.cc (redirect_to_unreachable): Redirect callback
edges to unreachable when redirecting the carrying edge.
2026-01-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (gcc_cv_as_sparc_ua_pcrel): Remove.
(gcc_cv_as_sparc_ua_pcrel_hidden): Likewise.
* configure: Regenerate.
* config.in: Regenerate.
* config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove
!HAVE_AS_SPARC_UA_PCREL, !HAVE_AS_SPARC_UA_PCREL_HIDDEN support.
* config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
* config/sparc/sparc.cc (TARGET_ASM_OUTPUT_DWARF_DTPREL): Remove
HAVE_AS_SPARC_UA_PCREL guard.
2026-01-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/sparc/sparc.h (TARGET_TLS): Define as HAVE_AS_TLS.
Update comment.
(TARGET_SUN_TLS): Define as 0.
(TARGET_GNU_TLS): Remove.
* config/sparc/freebsd.h (TARGET_SUN_TLS): Remove.
(TARGET_GNU_TLS): Remove.
* config/sparc/linux.h: Likewise.
* config/sparc/linux64.h: Likewise.
* config/sparc/sol2.h (TARGET_SUN_TLS): Redefine as 1.
Guard with HAVE_AS_TLS && !HAVE_GNU_AS.
(TARGET_GNU_TLS): Remove.
* config/sparc/sparc.cc (TARGET_ASM_OUTPUT_DWARF_DTPREL): Use
!TARGET_SUN_TLS in guard.
with !TARGET_SUN_TLS only.
* config/sparc/sparc.md ("tls_delay_slot"): Guard with
!TARGET_SUN_TLS.
2026-01-15 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR target/38118
* config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2026-01-15 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* cfgloopmanip.cc (duplicate_loop_body_to_header_edge): Assign
hierarchical discriminators for loop unrolling.
* cfgloopmanip.h (DLTHE_RECORD_HIERARCHICAL_DISCRIMINATOR): New flag.
* tree-ssa-loop-ivcanon.cc (try_unroll_loop_completely): Pass flag
to enable hierarchical discriminator assignment.
(try_peel_loop): Likewise.
2026-01-15 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* gimple-loop-versioning.cc (loop_versioning::version_loop): Assign
copyid discriminators to distinguish different loop versions.
2026-01-15 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* tree-vect-loop-manip.cc (vect_loop_versioning): Assign copyid
discriminators for vectorized and scalar loop versions.
* tree-vect-loop.cc (vect_transform_loop): Assign copyid
discriminators for vectorized and scalar loop versions.
2026-01-15 Kugan Vivekanandarajah <kvivekananda@nvidia.com>
* Makefile.in: Add hierarchical_discriminator.o to OBJS.
* hierarchical_discriminator.cc: New file.
* hierarchical_discriminator.h: New file.
* function.h (copyid_alloc): New.
* input.cc (location_with_discriminator_components): New function.
(get_discriminator_components_from_loc): Likewise.
* input.h (DISCR_BASE_BITS): New constant.
(DISCR_MULTIPLICITY_BITS): Likewise.
(DISCR_COPYID_BITS): Likewise.
(DISCR_UNUSED_BITS): Likewise.
(DISCR_BASE_MASK): Likewise.
(DISCR_MULTIPLICITY_MASK): Likewise.
(DISCR_COPYID_MASK): Likewise.
(DISCR_BASE_SHIFT): Likewise.
(DISCR_MULTIPLICITY_SHIFT): Likewise.
(DISCR_COPYID_SHIFT): Likewise.
(DISCR_BASE_MAX): Likewise.
(DISCR_MULTIPLICITY_MAX): Likewise.
(DISCR_COPYID_MAX): Likewise.
(location_with_discriminator_components): New function declaration.
(get_discriminator_components_from_loc): Likewise.
2026-01-15 DengJianbo <dengjianbo@loongson.cn>
* config/loongarch/loongarch.md: Remove condition in template
movdi_symbolic_off64.
2026-01-14 Peter Bergner <bergner@tenstorrent.com>
PR target/123092
* config/riscv/constraints.md (ZD): Disable when xmipscbop is disabled.
2026-01-14 Martin Jambor <mjambor@suse.cz>
PR ipa/123542
* ipa-cp.cc (ipa_value_from_jfunc): Always use
ipacp_value_safe_for_type. Bail out if parm_type is NULL.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/121240
* config/aarch64/aarch64.md (mov<mode>): Expand FP immediates early.
* config/aarch64/aarch64.cc (aarch64_select_rtx_section): Force
immediates <= 8 bytes to constdata.
(aarch64_rtx_costs): Increase cost of CONST_DOUBLE loaded from memory.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/114528
* config/aarch64/aarch64.cc (aarch64_check_mov_add_imm12):
New function to check and emit MOV+ADD/SUB immediates.
(aarch64_internal_mov_immediate): Add support for MOV+ADD/SUB
immediates.
2026-01-14 Tejas Belagod <tejas.belagod@arm.com>
PR middle-end/123392
* cfgexpand.cc (expand_debug_expr): Handle variable-length initializer
for CONSTRUCTOR.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR middle-end/123115
* defaults.h (EH_RETURN_DATA_REGNO): Add void (N) to the macro
definition inside of a comma expression before INVALID_REGNUM.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR target/120250
* combine.cc (recog_for_combine): Don't try to put SET_SRC
into a constant pool if SET_DEST is pc_rtx.
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* tree-vectorizer.h (vect_load_store_data): Add n_loads member.
* tree-vect-stmts.cc (get_load_store_type): Record the
number of required loads for permuted loads.
(vectorizable_load): Make use of this when costing loads
for VMAT_CONTIGUOUS[_REVERSE].
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* tree-vect-loop.cc (vect_analyze_loop_costing): Allow
vectorizing loops with a single scalar iteration iff the
vectorization factor is 1.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/123544
* simplify-rtx.cc (simplify_context::simplify_binary_operation_1)
<case AND>: Don't canonicalize (subreg (lshiftrt (x cnt)) low) into
(lshiftrt (subreg x low) cnt) if the SUBREG is paradoxical.
2026-01-14 Prathamesh Kulkarni <prathameshk@nvidia.com>
* auto-profile.cc: (string_table::filenames): New method.
(function_instance::timestamp_): New member.
(function_instance::timestamp): New accessor for timestamp_ member.
(function_instance::set_timestamp): New function.
(function_instance::prop_timestamp): Likewise.
(function_instance::prop_timestamp_1): Likewise.
(function_instance::function_instance): Initialize timestamp_ to 0.
(function_instance::read_function_instance): Adjust prototype by
replacing head_count with toplevel param with default value true, and
stream in head_count and timestamp values from gcov file.
(autofdo::timestamp_info_map): New std::map.
(autofdo_source_profile::get_function_instance_by_decl): New argument
filename with default value NULL.
(autofdo_source_profile::read): Populate timestamp_info_map and
propagate timestamp to inlined instances from toplevel function.
(afdo_annotate_cfg): Assign node->tp_first_run based on
timestamp_info_map and bail out of annotation if
param_auto_profile_reorder_only is enabled.
* params.opt: New param auto-profile-reorder-only.
2026-01-14 Lili Cui <lili.cui@intel.com>
* config/i386/x86-tune.def (X86_TUNE_ALIGN_TIGHT_LOOPS):
disable tight loop alignment for m_CORE_ATOM.
2026-01-14 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
* match.pd: remove 'fold_overflow_warning' references.
* tree.h (TYPE_OVERFLOW_UNDEFINED): remove note telling
that we must use warn_strict_overflow for every optimization
based on TYPE_OVERFLOW_UNDEFINED.
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.
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Copying and distribution of this file, with or without modification,
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