1 files changed, 5 insertions, 51 deletions

diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index 846ec64ab2c9..b647d5ff0ad9 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -43,11 +43,7 @@ static inline char *__strnend(const char *s, size_t n)
  */
 size_t strlen(const char *s)
 {
-#if __GNUC__ < 4
         return __strend(s) - s;
-#else
-        return __builtin_strlen(s);
-#endif
 }
 EXPORT_SYMBOL(strlen);
 
@@ -73,7 +69,6 @@ EXPORT_SYMBOL(strnlen);
  */
 char *strcpy(char *dest, const char *src)
 {
-#if __GNUC__ < 4
         register int r0 asm("0") = 0;
         char *ret = dest;
 
@@ -82,9 +77,6 @@ char *strcpy(char *dest, const char *src)
                       : "+&a" (dest), "+&a" (src) : "d" (r0)
                       : "cc", "memory" );
         return ret;
-#else
-        return __builtin_strcpy(dest, src);
-#endif
 }
 EXPORT_SYMBOL(strcpy);
 
@@ -106,7 +98,7 @@ size_t strlcpy(char *dest, const char *src, size_t size)
         if (size) {
                 size_t len = (ret >= size) ? size-1 : ret;
                 dest[len] = '\0';
-                __builtin_memcpy(dest, src, len);
+                memcpy(dest, src, len);
         }
         return ret;
 }
@@ -124,8 +116,8 @@ EXPORT_SYMBOL(strlcpy);
 char *strncpy(char *dest, const char *src, size_t n)
 {
         size_t len = __strnend(src, n) - src;
-        __builtin_memset(dest + len, 0, n - len);
-        __builtin_memcpy(dest, src, len);
+        memset(dest + len, 0, n - len);
+        memcpy(dest, src, len);
         return dest;
 }
 EXPORT_SYMBOL(strncpy);
@@ -171,7 +163,7 @@ size_t strlcat(char *dest, const char *src, size_t n)
                 if (len >= n)
                         len = n - 1;
                 dest[len] = '\0';
-                __builtin_memcpy(dest, src, len);
+                memcpy(dest, src, len);
         }
         return res;
 }
@@ -194,7 +186,7 @@ char *strncat(char *dest, const char *src, size_t n)
         char *p = __strend(dest);
 
         p[len] = '\0';
-        __builtin_memcpy(p, src, len);
+        memcpy(p, src, len);
         return dest;
 }
 EXPORT_SYMBOL(strncat);
@@ -348,41 +340,3 @@ void *memscan(void *s, int c, size_t n)
         return (void *) ret;
 }
 EXPORT_SYMBOL(memscan);
-
-/**
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @n: The size of the area.
- *
- * returns a pointer to @dest
- */
-void *memcpy(void *dest, const void *src, size_t n)
-{
-        return __builtin_memcpy(dest, src, n);
-}
-EXPORT_SYMBOL(memcpy);
-
-/**
- * memset - Fill a region of memory with the given value
- * @s: Pointer to the start of the area.
- * @c: The byte to fill the area with
- * @n: The size of the area.
- *
- * returns a pointer to @s
- */
-void *memset(void *s, int c, size_t n)
-{
-        char *xs;
-
-        if (c == 0)
-                return __builtin_memset(s, 0, n);
-
-        xs = (char *) s;
-        if (n > 0)
-                do {
-                        *xs++ = c;
-                } while (--n > 0);
-        return s;
-}
-EXPORT_SYMBOL(memset);