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-rw-r--r--sysdeps/x86_64/multiarch/strcmp-sse42.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/x86_64/multiarch/strcmp-sse42.S b/sysdeps/x86_64/multiarch/strcmp-sse42.S
index 617d3a3946..be1ddb3f92 100644
--- a/sysdeps/x86_64/multiarch/strcmp-sse42.S
+++ b/sysdeps/x86_64/multiarch/strcmp-sse42.S
@@ -1770,8 +1770,8 @@ LABEL(strcmp_exitz):
 	.p2align 4
 	// XXX Same as code above
 LABEL(Byte0):
-	movzx	(%rsi), %ecx
-	movzx	(%rdi), %eax
+	movzbl	(%rsi), %ecx
+	movzbl	(%rdi), %eax
 
 #if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
 	leaq	_nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx