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authorIngo Molnar <mingo@elte.hu>2009-03-28 22:27:45 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 22:27:45 +0100
commit3fab191002b184e4390aa07c7149c6cc7b638ec7 (patch)
tree821382d49e47c19531bfc3bb9e1f8922486374d4 /arch/s390/lib/string.c
parent93394a761d78503f11d05b1a7b23d5a9ccc8dad2 (diff)
parent7c730ccdc1188b97f5c8cb690906242c7ed75c22 (diff)
downloadlinux-3fab191002b184e4390aa07c7149c6cc7b638ec7.tar.bz2
Merge branch 'linus' into x86/core
Diffstat (limited to 'arch/s390/lib/string.c')
-rw-r--r--arch/s390/lib/string.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/lib/string.c b/arch/s390/lib/string.c
index ae5cf5d03d41..4143b7c19096 100644
--- a/arch/s390/lib/string.c
+++ b/arch/s390/lib/string.c
@@ -44,7 +44,11 @@ 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);
@@ -70,6 +74,7 @@ EXPORT_SYMBOL(strnlen);
*/
char *strcpy(char *dest, const char *src)
{
+#if __GNUC__ < 4
register int r0 asm("0") = 0;
char *ret = dest;
@@ -78,6 +83,9 @@ 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);