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GCC Administrator
2026-01-14 00:16:30 +00:00
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111
gcc/ChangeLog
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2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* match.pd (`(T1)(a bit_op (T2)b)`): Remove redundant
type checks.
2026-01-13 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
PR tree-optimization/123109
* fold-const.cc (fold_binary_loc): Remove (X >> C) NE/EQ 0 -> X LT/GE 0
folding.
* match.pd (`(X >> C) NE/EQ 0 -> X LT/GE 0`): New pattern.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/119402
* match.pd (`(a*zero_one_valued_p) & b`): New pattern.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR rtl-optimization/123312
* ifcvt.cc (noce_try_cond_zero_arith): Rename to ...
(noce_try_cond_arith): This. For AND try `cmp ? a : -1`
also to see which one cost less.
(noce_process_if_block): Handle the rename.
2026-01-13 Jonathan Yong <10walls@gmail.com>
* config/i386/winnt-utf8.manifest: enable longPathAware.
2026-01-13 Jonathan Yong <10walls@gmail.com>
PR driver/108865
* config/i386/winnt-utf8.manifest: correct XML tags
2026-01-13 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR tree-optimization/123530
* match.pd (reassociating xor to enable rotations): Verify constants
fit into a uhwi before trying to extract them as a uhwi.
2026-01-13 Richard Biener <rguenther@suse.de>
PR middle-end/123573
* fold-const.cc (fold_vec_perm): Actually check, not assert,
that input and output vector element numbers agree.
* match.pd (vec_perm @0 @1 @2): Make sure element numbers
are the same when folding to an input vector and wrap that
inside a VIEW_CONVERT_EXPR.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123525
* tree-ssa-forwprop.cc (simplify_vector_constructor): Use
converted source type for conversion bit field ref.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123301
* tree-if-conv.cc (convert_scalar_cond_reduction):
Disallow vector types.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR rtl-optimization/123501
PR rtl-optimization/123444
* rtlanal.cc (nonzero_bits1): Use operand mode instead of
operation mode.
2026-01-13 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/123396
* configure.ac (gcc_cv_ld_use_as_needed_ldscript): New test.
(USE_LD_AS_NEEDED_LDSCRIPT): New AC_DEFINE.
* gcc.cc (LINK_LIBATOMIC_SPEC): Use "-latomic_asneeded" instead
of LD_AS_NEEDED_OPTION " -latomic " LD_NO_AS_NEEDED_OPTION
if USE_LD_AS_NEEDED_LDSCRIPT is defined.
(init_gcc_specs): Use "-lgcc_s_asneeded" instead of
LD_AS_NEEDED_OPTION " -lgcc_s " LD_NO_AS_NEEDED_OPTION
if USE_LD_AS_NEEDED_LDSCRIPT is defined.
* config.in: Regenerate.
* configure: Regenerate.
2026-01-13 Richard Biener <rguenther@suse.de>
PR tree-optimization/123539
* tree-vect-loop.cc (vect_create_epilog_for_reduction):
Use the compute vectype to pun down to smaller or element
size for by-element reductions.
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
* tree-ssa-sccvn.cc (vn_walk_cb_data::push_partial_def): Use
build_bitint_type for BITINT_TYPE when maxsizei exceeds
MAX_FIXED_MODE_SIZE.
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
PR target/117581
* config/riscv/riscv.cc (riscv_bitint_type_info): New function.
(TARGET_C_BITINT_TYPE_INFO): Define.
2026-01-13 liuhongt <hongtao.liu@intel.com>
PR target/123484
* config/i386/mmx.md (divv4hf3): Add TARGET_MMX_WITH_SSE to
the condition.
(cmlav4hf4): Ditto.
(cmla_conjv4hf4): Ditto.
(cmulv4hf3): Ditto.
(cmul_conjv4hf3): Ditto.
2026-01-12 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/122845

2
gcc/DATESTAMP
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20260113
20260114

7
gcc/c/ChangeLog
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@@ -1,3 +1,10 @@
2026-01-13 Martin Uecker <uecker@tugraz.at>
PR c/123309
* c-typeck.cc (transparent_union_replacement): New function.
(composite_type_internal): Rewrite logic.
(type_lists_compatible_p): Remove dead code for NULL arguments.
2026-01-10 Martin Uecker <uecker@tugraz.at>
PR c/123435

32
gcc/cp/ChangeLog
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@@ -1,3 +1,35 @@
2026-01-13 Nathaniel Shead <nathanieloshead@gmail.com>
* coroutines.cc (create_coroutine_info_table): New function.
(get_or_insert_coroutine_info): Mark static.
(ensure_coro_initialized): Likewise; use
create_coroutine_info_table.
(coro_promise_type_found_p): Set DECL_CONTEXT for proxies.
(coro_set_ramp_function): New function.
(coro_set_transform_functions): New function.
(coro_build_actor_or_destroy_function): Use
coro_set_ramp_function, mark as DECL_COROUTINE_P.
* cp-tree.h (coro_set_transform_functions): Declare.
(coro_set_ramp_function): Declare.
* module.cc (struct merge_key): New field coro_disc.
(dumper::impl::nested_name): Distinguish coroutine transform
functions.
(get_coroutine_discriminator): New function.
(trees_out::key_mergeable): Stream coroutine discriminator.
(check_mergeable_decl): Adjust comment, check for matching
coroutine discriminator.
(trees_in::key_mergeable): Read coroutine discriminator.
(has_definition): Override for coroutine transform functions.
(trees_out::write_function_def): Stream linked ramp, actor, and
destroy functions for coroutines.
(trees_in::read_function_def): Read them.
(module_state::read_cluster): Set cfun->coroutine_component.
2026-01-13 Nathaniel Shead <nathanieloshead@gmail.com>
* module.cc (trees_out::lang_decl_bools): Update list of flags.
(trees_in::lang_decl_bools): Likewise.
2026-01-12 Patrick Palka <ppalka@redhat.com>
PR c++/123189

16
gcc/fortran/ChangeLog
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@@ -1,3 +1,19 @@
2026-01-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/112460
* array.cc (resolve_array_list): Stash the first PDT element
and check its type specification parameters against those of
subsequent elements.
* expr.cc (get_parm_list_from_expr): New function to extract the
type spec lists from expressions to be compared.
(gfc_check_type_spec_parms): New function to compare type spec
lists between two expressions. Emit an error if any constant
values are different.
(gfc_check_assign): Check that the PDT type specification parms
are the same on lhs and rhs.
* gfortran.h : Add prototype for gfc_check_type_spec_parms.
* trans-expr.cc (copyable_array_p): PDT arrays are not copyable
2026-01-12 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91960

86
gcc/testsuite/ChangeLog
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@@ -1,3 +1,89 @@
2026-01-13 Nathaniel Shead <nathanieloshead@gmail.com>
* g++.dg/modules/coro-1_a.C: New test.
* g++.dg/modules/coro-1_b.C: New test.
2026-01-13 Pengxuan Zheng <pengxuan.zheng@oss.qualcomm.com>
PR tree-optimization/123109
* gcc.dg/tree-ssa/vrp99.c: Update test.
* gcc.dg/pr123109.c: New test.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/119402
* gcc.dg/tree-ssa/bitops-14.c: New test.
* gcc.dg/tree-ssa/bitops-15.c: New test.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR testsuite/122522
* gcc.target/aarch64/signbitv2sf.c (main): Disable
unrolling and vectorizer for the checking loop.
2026-01-13 Martin Uecker <uecker@tugraz.at>
PR c/123309
* gcc.dg/pr123309.c: New test.
* gcc.dg/union-composite-type.c: New test.
2026-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/123012
* gfortran.dg/namelist_101.f90: New test.
2026-01-13 Jeff Law <jeffrey.law@oss.qualcomm.com>
PR tree-optimization/123530
* gcc.dg/torture/pr123530.c: New test.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123525
* gcc.dg/vect/pr123525.c: New test.
* g++.dg/vect/pr123525-2.cc: New test.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR tree-optimization/123301
* gcc.target/riscv/rvv/autovec/pr123301.c: New test.
2026-01-13 Robin Dapp <rdapp@oss.qualcomm.com>
PR rtl-optimization/123501
PR rtl-optimization/123444
* gcc.target/riscv/rvv/autovec/reduc/pr123501.c: New test.
2026-01-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/112460
* gfortran.dg/pdt_81.f03: New test.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* gcc.dg/store_merging_19.c: xfail.
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
PR target/117581
* gcc.dg/torture/bitint-64.c: Add sync_char_short effective target
requirement.
* gcc.dg/torture/bitint-82.c: Likewise.
* gcc.dg/torture/bitint-84.c: Likewise.
* gcc.target/riscv/bitint-32-on-rv64.c: New test.
* gcc.target/riscv/bitint-alignments.c: New test.
* gcc.target/riscv/bitint-args.c: New test.
* gcc.target/riscv/bitint-sizes.c: New test.
2026-01-13 H.J. Lu <hjl.tools@gmail.com>
PR ipa/122458
* gcc.dg/ipa/pr122458.c: Replace .quad with .dc.a.
2026-01-13 liuhongt <hongtao.liu@intel.com>
* gcc.target/i386/pr123484.c: New test.
2026-01-12 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
PR tree-optimization/122845

11
libatomic/ChangeLog
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2026-01-13 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/123396
* acinclude.m4 (LIBAT_BUILD_ASNEEDED_SOLINK): New AM_CONDITIONAL.
* libatomic_asneeded.so: New file.
* libatomic_asneeded.a: New file.
* Makefile.am (toolexeclib_DATA): Set if LIBAT_BUILD_ASNEEDED_SOLINK.
(all-local): Install those files into gcc subdir.
* Makefile.in: Regenerate.
* configure: Regenerate.
2025-12-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure: Regenerate.

17
libgcc/ChangeLog
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@@ -1,3 +1,20 @@
2026-01-13 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/123396
* config/t-slibgcc (SHLIB_ASNEEDED_SOLINK,
SHLIB_MAKE_ASNEEDED_SOLINK, SHLIB_INSTALL_ASNEEDED_SOLINK): New
vars.
(SHLIB_LINK): Include $(SHLIB_MAKE_ASNEEDED_SOLINK).
(SHLIB_INSTALL): Include $(SHLIB_INSTALL_ASNEEDED_SOLINK).
2026-01-13 Kito Cheng <kito.cheng@sifive.com>
PR target/117581
* config/riscv/libgcc-riscv.ver: New file.
* config/riscv/t-elf (SHLIB_MAPFILES): Add libgcc-riscv.ver.
* config/riscv/t-softfp32 (softfp_extras): Add floatbitinttf and
fixtfbitint.
2026-01-11 Jerome Guitton <guitton@adacore.com>
* config/gthr-vxworks.h: Remove #include of tickLib.h.

6
libgfortran/ChangeLog
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@@ -1,3 +1,9 @@
2026-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/123012
* io/list_read.c (read_character): Add new check after
get_string and provide better comments.
2026-01-11 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/123012

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libgomp/ChangeLog
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2026-01-13 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.fortran/map-alloc-comp-9-usm.f90: Require
working Unified Shared Memory to run the test.
2026-01-13 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c++/examples-4/declare_target-2.C: Add
'-Wno-deprecated-openmp'.
* testsuite/libgomp.c/declare-variant-3-sm30.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm35.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm37.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm52.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm53.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm61.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm70.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm75.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm80.c: Likewise.
* testsuite/libgomp.c/declare-variant-3-sm89.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx10-3-generic.c:
Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1030.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1031.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1032.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1033.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1034.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1035.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1036.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx11-generic.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1100.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1101.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1102.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1103.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1150.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1151.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1152.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx1153.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx9-4-generic.c:
Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx9-generic.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx900.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx902.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx904.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx906.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx908.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx909.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx90a.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx90c.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx942.c: Likewise.
* testsuite/libgomp.c/declare-variant-4-gfx950.c: Likewise.
* testsuite/libgomp.c/examples-4/async_target-2.c: Likewise.
* testsuite/libgomp.c/interop-hsa.c: Likewise.
* testsuite/libgomp.c/target-20.c: Likewise.
* testsuite/libgomp.c/target-simd-clone-1.c: Likewise.
* testsuite/libgomp.c/target-simd-clone-2.c: Likewise.
* testsuite/libgomp.c/target-simd-clone-3.c: Likewise.
* testsuite/libgomp.fortran/alloc-managed-1.f90: Likewise.
* testsuite/libgomp.fortran/target9.f90: Likewise.
2026-01-13 Thomas Schwinge <tschwinge@baylibre.com>
PR testsuite/123098
* testsuite/libgomp.oacc-c-c++-common/vred2d-128.c: Remove
'-Wno-deprecated-openmp'.
2026-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR c++/81337

9
libstdc++-v3/ChangeLog
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2026-01-13 Tomasz Kamiński <tkaminsk@redhat.com>
* include/bits/stl_heap.h (std::__is_heap_until, std::__push_heap)
(std::__adjust_heap): Replace subscript with dereference of
advanced iterator.
* testsuite/util/testsuite_iterators.h (__gnu_test::subscript_proxy)
(__gnu_test::proxy_random_access_iterator_wrapper): Define.
* testsuite/25_algorithms/sort_heap/check_proxy_brackets.cc: New test.
2026-01-12 Jakub Jelinek <jakub@redhat.com>
* config/abi/pre/gnu.ver (CXXABI_1.3.14): Don't export _ZTI*DF16_ on