use 128 cache align for m1 mac

Dylan-DPC · Jun 1, 2022 · 1446bce · 1446bce
1 parent 6f481f8
commit 1446bce
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/library/std/src/sync/mpsc/cache_aligned.rs b/library/std/src/sync/mpsc/cache_aligned.rs
@@ -1,7 +1,8 @@
 use crate::ops::{Deref, DerefMut};
 
 #[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
-#[repr(align(64))]
+#[cfg_attr(target_arch = "aarch64", repr(align(128)))]
+#[cfg_attr(not(target_arch = "aarch64"), repr(align(64)))]
 pub(super) struct CacheAligned<T>(pub T);
 
 impl<T> Deref for CacheAligned<T> {