diff options
| -rw-r--r-- | arch/x86/machine/string.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/machine/string.c b/arch/x86/machine/string.c index 3f347d03..297e9b84 100644 --- a/arch/x86/machine/string.c +++ b/arch/x86/machine/string.c @@ -67,19 +67,14 @@ memset(void *s, int c, size_t n) int memcmp(const void *s1, const void *s2, size_t n) { - unsigned char zf, c1, c2; + unsigned char c1, c2; if (n == 0) return 0; asm volatile("cld\n" "repe cmpsb\n" - "sete %0\n" - : "=g" (zf), "+D" (s1), "+S" (s2), "+c" (n)); - - if (zf) - return 0; - + : "+D" (s1), "+S" (s2), "+c" (n)); c1 = *(((const unsigned char *)s1) - 1); c2 = *(((const unsigned char *)s2) - 1); return (int)c1 - (int)c2; |