diff --git a/[refs] b/[refs]
index 53aa7d4e60eb..2f7f048ee2d0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c560ecfe9617c629ad09b07edb7523c87b2c9619
+refs/heads/master: b4fed0796841b5293b9c9427a5391b7bb20ef2d9
diff --git a/trunk/arch/arm64/mm/cache.S b/trunk/arch/arm64/mm/cache.S
index abe69b80cf7f..48a386094fa3 100644
--- a/trunk/arch/arm64/mm/cache.S
+++ b/trunk/arch/arm64/mm/cache.S
@@ -52,7 +52,7 @@ loop1:
 	add	x2, x2, #4			// add 4 (line length offset)
 	mov	x4, #0x3ff
 	and	x4, x4, x1, lsr #3		// find maximum number on the way size
-	clz	x5, x4				// find bit position of way size increment
+	clz	w5, w4				// find bit position of way size increment
 	mov	x7, #0x7fff
 	and	x7, x7, x1, lsr #13		// extract max number of the index size
 loop2: