diff options
Diffstat (limited to 'include/asm-sh/string.h')
| -rw-r--r-- | include/asm-sh/string.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/asm-sh/string.h b/include/asm-sh/string.h index 3eab1c123..d85e4e406 100644 --- a/include/asm-sh/string.h +++ b/include/asm-sh/string.h @@ -20,7 +20,7 @@ extern __inline__ char *strcpy(char *__dest, const char *__src) " add #1, %0\n\t" : "=r" (__dest), "=r" (__src), "=&z" (__dummy) : "0" (__dest), "1" (__src) - : "memory"); + : "memory", "t"); return __xdest; } @@ -46,7 +46,7 @@ extern __inline__ char *strncpy(char *__dest, const char *__src, size_t __n) "2:" : "=r" (__dest), "=r" (__src), "=&z" (__dummy) : "0" (__dest), "1" (__src), "r" (__src+__n) - : "memory"); + : "memory", "t"); return __xdest; } @@ -71,7 +71,8 @@ extern __inline__ int strcmp(const char *__cs, const char *__ct) "sub %3, %2\n" "2:" : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) - : "0" (__cs), "1" (__ct)); + : "0" (__cs), "1" (__ct) + : "t"); return __res; } @@ -82,6 +83,9 @@ extern __inline__ int strncmp(const char *__cs, const char *__ct, size_t __n) register int __res; unsigned long __dummy; + if (__n == 0) + return 0; + __asm__ __volatile__( "mov.b @%1+, %3\n" "1:\n\t" @@ -99,7 +103,8 @@ extern __inline__ int strncmp(const char *__cs, const char *__ct, size_t __n) "sub %3, %2\n" "3:" :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) - : "0" (__cs), "1" (__ct), "r" (__cs+__n)); + : "0" (__cs), "1" (__ct), "r" (__cs+__n) + : "t"); return __res; } |