+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
+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
+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
+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
+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
+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.
+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.
+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
+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
+2026-01-13 Tomasz KamiĆski <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