diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b7934c534e8ad75ef1ee575477f55143ba533056..95470dbd2072bcfc78179e4d9dede7437082b56a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,22 @@
+2024-09-22  Tamar Christina  <tamar.christina@arm.com>
+
+	* tree-vect-patterns.cc (append_inv_pattern_def_seq): New.
+	(vect_recog_bool_pattern): Lower COND_EXPRs.
+	* tree-vect-slp.cc (vect_slp_region): Materialize loop invariant
+	statements.
+	* tree-vect-loop.cc (vect_transform_loop): Likewise.
+	* tree-vect-stmts.cc (vectorizable_comparison_1): Remove
+	VECT_SCALAR_BOOLEAN_TYPE_P handling for vectype.
+	* tree-vectorizer.cc (vec_info::vec_info): Initialize
+	inv_pattern_def_seq.
+	* tree-vectorizer.h (LOOP_VINFO_INV_PATTERN_DEF_SEQ): New.
+	(class vec_info): Add inv_pattern_def_seq.
+
+2024-09-22  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64.cc (adjust_body_cost):
+	Cap VF for low iteration loops.
+
 2024-09-21  Mikael Morin  <mikael@gcc.gnu.org>
 
 	PR fortran/90608
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index c43582073d8a614e71548a44816485a831ec6c18..37e5425b64e576a6fcced6c6f42429e6ac4b6654 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20240922
+20240923
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9bed4d77384f49fee20405abf16d7ebc66fa4b6f..1a055adaa95621856e954722b3196fe683f8620e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,50 @@
+2024-09-22  Pan Li  <pan2.li@intel.com>
+
+	* gcc.target/riscv/sat_arith.h: Add test helper macros.
+	* gcc.target/riscv/sat_s_add-13.c: New test.
+	* gcc.target/riscv/sat_s_add-14.c: New test.
+	* gcc.target/riscv/sat_s_add-15.c: New test.
+	* gcc.target/riscv/sat_s_add-16.c: New test.
+	* gcc.target/riscv/sat_s_add-run-13.c: New test.
+	* gcc.target/riscv/sat_s_add-run-14.c: New test.
+	* gcc.target/riscv/sat_s_add-run-15.c: New test.
+	* gcc.target/riscv/sat_s_add-run-16.c: New test.
+
+2024-09-22  Pan Li  <pan2.li@intel.com>
+
+	* gcc.target/riscv/sat_arith.h: Add test helper macros.
+	* gcc.target/riscv/sat_s_add-10.c: New test.
+	* gcc.target/riscv/sat_s_add-11.c: New test.
+	* gcc.target/riscv/sat_s_add-12.c: New test.
+	* gcc.target/riscv/sat_s_add-9.c: New test.
+	* gcc.target/riscv/sat_s_add-run-10.c: New test.
+	* gcc.target/riscv/sat_s_add-run-11.c: New test.
+	* gcc.target/riscv/sat_s_add-run-12.c: New test.
+	* gcc.target/riscv/sat_s_add-run-9.c: New test.
+
+2024-09-22  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* g++.dg/coroutines/torture/special-termination-00-sync-completion.C: New test.
+	* g++.dg/coroutines/torture/special-termination-01-self-destruct.C: New test.
+
+2024-09-22  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.dg/vect/bb-slp-conditional_store_1.c: New test.
+	* gcc.dg/vect/vect-conditional_store_5.c: New test.
+	* gcc.dg/vect/vect-conditional_store_6.c: New test.
+
+2024-09-22  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/sve/asrdiv_4.c: Update bounds.
+	* gcc.target/aarch64/sve/cond_asrd_2.c: Likewise.
+	* gcc.target/aarch64/sve/cond_uxt_6.c: Likewise.
+	* gcc.target/aarch64/sve/cond_uxt_7.c: Likewise.
+	* gcc.target/aarch64/sve/cond_uxt_8.c: Likewise.
+	* gcc.target/aarch64/sve/miniloop_1.c: Likewise.
+	* gcc.target/aarch64/sve/spill_6.c: Likewise.
+	* gcc.target/aarch64/sve/sve_iters_low_1.c: New test.
+	* gcc.target/aarch64/sve/sve_iters_low_2.c: New test.
+
 2024-09-21  Mikael Morin  <mikael@gcc.gnu.org>
 
 	PR fortran/90608
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 1013fdbd0eac5d1dd02641563d16f202be3e5cc8..0b62c93bafc21ab16221489be78938a30027c1f9 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,9 @@
+2024-09-22  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* config.host: From macOS 11, limit earliest macOS support
+	to macOS 11.
+	* config/t-darwin-min-11: New file.
+
 2024-08-27  YunQiang Su  <syq@gcc.gnu.org>
 
 	* config/mips/lib1funcs.S: Includes mips16.S.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d4037cfab49cd601c48acffaab330df4544ce27b..1ad45767009f5c81cc5605bfd1298d0d7fd55dec 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,72 @@
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/format (__format::__is_formattable_integer): New
+	variable template and specializations.
+	(template<integral, __char> struct formatter): Replace
+	constraints on first arg with __is_formattable_integer.
+	* testsuite/std/format/formatter/requirements.cc: Check that
+	std::formatter specializations for char8_t and const int are
+	disabled.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/116754
+	* include/bits/ranges_algobase.h (__copy_or_move): Fix order of
+	arguments to __memcpyable.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/116755
+	* include/bits/chrono_io.h (formatter<duration<R,P>>::format):
+	Cast negative integral durations to unsigned rep.
+	* testsuite/20_util/duration/io.cc: Test the most negative
+	integer durations.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/stl_vector.h (operator<=>): Use constexpr
+	instead of _GLIBCXX20_CONSTEXPR macro.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* libsupc++/exception_ptr.h (__exception_ptr::_M_safe_bool_dummy):
+	Remove __attribute__((const)) from function returning void.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++11/cxx11-ios_failure.cc (__iosfail_type_info): Unhide
+	the three-arg overload of __do_upcast.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/version.def: Sort C++26 entries alphabetically.
+	* include/bits/version.h: Regenerate.
+
+2024-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/iterator_concepts.h: Add projected_value_t.
+	* include/bits/algorithmfwd.h: Add the default template
+	parameter to the relevant forward declarations.
+	* include/pstl/glue_algorithm_defs.h: Likewise.
+	* include/bits/ranges_algo.h: Add the default template
+	parameter to range-based algorithms.
+	* include/bits/ranges_algobase.h: Likewise.
+	* include/bits/ranges_util.h: Likewise.
+	* include/bits/ranges_base.h: Add helper macros.
+	* include/bits/stl_iterator_base_types.h: Add helper macro.
+	* include/bits/version.def: Add the new feature-testing macro.
+	* include/bits/version.h: Regenerate.
+	* include/std/algorithm: Pull the feature-testing macro.
+	* include/std/ranges: Likewise.
+	* include/std/deque: Pull the feature-testing macro, add
+	the default for std::erase.
+	* include/std/forward_list: Likewise.
+	* include/std/list: Likewise.
+	* include/std/string: Likewise.
+	* include/std/vector: Likewise.
+	* testsuite/23_containers/default_template_value.cc: New test.
+	* testsuite/25_algorithms/default_template_value.cc: New test.
+
 2024-09-21  Jason Merrill  <jason@redhat.com>
 
 	* include/c_compatibility/ctype.h