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-rw-r--r--sysdeps/x86_64/memset.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/x86_64/memset.S b/sysdeps/x86_64/memset.S
index 6b718b7126..1c421c75f3 100644
--- a/sysdeps/x86_64/memset.S
+++ b/sysdeps/x86_64/memset.S
@@ -41,7 +41,7 @@ END (__memset_chk)
 ENTRY (memset)
 #if BZERO_P
 	mov	%rsi,%rdx	/* Adjust parameter.  */
-	xorq	%rsi,%rsi	/* Fill with 0s.  */
+	xorl	%esi,%esi	/* Fill with 0s.  */
 #endif
 	cmp	$0x7,%rdx	/* Check for small length.  */
 	mov	%rdi,%rcx	/* Save ptr as return value.  */