From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/std/src/sync/mpsc/cache_aligned.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 library/std/src/sync/mpsc/cache_aligned.rs

(limited to 'library/std/src/sync/mpsc/cache_aligned.rs')

diff --git a/library/std/src/sync/mpsc/cache_aligned.rs b/library/std/src/sync/mpsc/cache_aligned.rs
new file mode 100644
index 000000000..9197f0d6e
--- /dev/null
+++ b/library/std/src/sync/mpsc/cache_aligned.rs
@@ -0,0 +1,25 @@
+use crate::ops::{Deref, DerefMut};
+
+#[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[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> {
+    type Target = T;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl<T> DerefMut for CacheAligned<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl<T> CacheAligned<T> {
+    pub(super) fn new(t: T) -> Self {
+        CacheAligned(t)
+    }
+}
-- 
cgit v1.2.3