Merging debian version 1.65.0+dfsg1-2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 14 deletions

diff --git a/library/stdarch/crates/core_arch/src/x86_64/cmpxchg16b.rs b/library/stdarch/crates/core_arch/src/x86_64/cmpxchg16b.rs
index 391daed20..a262932af 100644
--- a/library/stdarch/crates/core_arch/src/x86_64/cmpxchg16b.rs
+++ b/library/stdarch/crates/core_arch/src/x86_64/cmpxchg16b.rs
@@ -34,11 +34,11 @@ use stdarch_test::assert_instr;
 /// support `cmpxchg16b` and the program enters an execution path that
 /// eventually would reach this function the behavior is undefined.
 ///
-/// The `success` ordering must also be stronger or equal to `failure`, or this
-/// function call is undefined. See the `Atomic*` documentation's
-/// `compare_exchange` function for more information. When `compare_exchange`
-/// panics, this is undefined behavior. Currently this function aborts the
-/// process with an undefined instruction.
+/// The failure ordering must be [`Ordering::SeqCst`], [`Ordering::Acquire`] or
+/// [`Ordering::Relaxed`], or this function call is undefined. See the `Atomic*`
+/// documentation's `compare_exchange` function for more information. When
+/// `compare_exchange` panics, this is undefined behavior. Currently this
+/// function aborts the process with an undefined instruction.
 #[inline]
 #[cfg_attr(test, assert_instr(cmpxchg16b, success = Ordering::SeqCst, failure = Ordering::SeqCst))]
 #[target_feature(enable = "cmpxchg16b")]
@@ -54,15 +54,21 @@ pub unsafe fn cmpxchg16b(
     debug_assert!(dst as usize % 16 == 0);
 
     let (val, _ok) = match (success, failure) {
-        (Acquire, Acquire) => intrinsics::atomic_cxchg_acq(dst, old, new),
-        (Release, Relaxed) => intrinsics::atomic_cxchg_rel(dst, old, new),
-        (AcqRel, Acquire) => intrinsics::atomic_cxchg_acqrel(dst, old, new),
-        (Relaxed, Relaxed) => intrinsics::atomic_cxchg_relaxed(dst, old, new),
-        (SeqCst, SeqCst) => intrinsics::atomic_cxchg(dst, old, new),
-        (Acquire, Relaxed) => intrinsics::atomic_cxchg_acq_failrelaxed(dst, old, new),
-        (AcqRel, Relaxed) => intrinsics::atomic_cxchg_acqrel_failrelaxed(dst, old, new),
-        (SeqCst, Relaxed) => intrinsics::atomic_cxchg_failrelaxed(dst, old, new),
-        (SeqCst, Acquire) => intrinsics::atomic_cxchg_failacq(dst, old, new),
+        (Relaxed, Relaxed) => intrinsics::atomic_cxchg_relaxed_relaxed(dst, old, new),
+        (Relaxed, Acquire) => intrinsics::atomic_cxchg_relaxed_acquire(dst, old, new),
+        (Relaxed, SeqCst) => intrinsics::atomic_cxchg_relaxed_seqcst(dst, old, new),
+        (Acquire, Relaxed) => intrinsics::atomic_cxchg_acquire_relaxed(dst, old, new),
+        (Acquire, Acquire) => intrinsics::atomic_cxchg_acquire_acquire(dst, old, new),
+        (Acquire, SeqCst) => intrinsics::atomic_cxchg_acquire_seqcst(dst, old, new),
+        (Release, Relaxed) => intrinsics::atomic_cxchg_release_relaxed(dst, old, new),
+        (Release, Acquire) => intrinsics::atomic_cxchg_release_acquire(dst, old, new),
+        (Release, SeqCst) => intrinsics::atomic_cxchg_release_seqcst(dst, old, new),
+        (AcqRel, Relaxed) => intrinsics::atomic_cxchg_acqrel_relaxed(dst, old, new),
+        (AcqRel, Acquire) => intrinsics::atomic_cxchg_acqrel_acquire(dst, old, new),
+        (AcqRel, SeqCst) => intrinsics::atomic_cxchg_acqrel_seqcst(dst, old, new),
+        (SeqCst, Relaxed) => intrinsics::atomic_cxchg_seqcst_relaxed(dst, old, new),
+        (SeqCst, Acquire) => intrinsics::atomic_cxchg_seqcst_acquire(dst, old, new),
+        (SeqCst, SeqCst) => intrinsics::atomic_cxchg_seqcst_seqcst(dst, old, new),
 
         // The above block is all copied from libcore, and this statement is
         // also copied from libcore except that it's a panic in libcore and we