1 files changed, 4 insertions, 1 deletions
diff --git a/src/rust_sse2.rs b/src/rust_sse2.rs
index bd2be69..2a9eed6 100644
--- a/src/rust_sse2.rs
+++ b/src/rust_sse2.rs
@@ -522,7 +522,10 @@ unsafe fn transpose_msg_vecs(inputs: &[*const u8; DEGREE], block_offset: usize)
         loadu(inputs[3].add(block_offset + 3 * 4 * DEGREE)),
     ];
     for i in 0..DEGREE {
-        _mm_prefetch(inputs[i].add(block_offset + 256) as *const i8, _MM_HINT_T0);
+        _mm_prefetch(
+            inputs[i].wrapping_add(block_offset + 256) as *const i8,
+            _MM_HINT_T0,
+        );
     }
     let squares = mut_array_refs!(&mut vecs, DEGREE, DEGREE, DEGREE, DEGREE);
     transpose_vecs(squares.0);