diff options
Diffstat (limited to 'sysdeps/s390')
| -rw-r--r-- | sysdeps/s390/atomicity.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/s390/atomicity.h b/sysdeps/s390/atomicity.h index 0c97f405ef..a5347debab 100644 --- a/sysdeps/s390/atomicity.h +++ b/sysdeps/s390/atomicity.h @@ -61,13 +61,15 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval) int retval; __asm__ __volatile__( - " cs %2,%3,%1\n" + " la 1,%1\n" + " lr 0,%2\n" + " cs 0,%3,0(1)\n" " ipm %0\n" " srl %0,28\n" "0:" : "=&r" (retval), "+m" (*p) : "d" (oldval) , "d" (newval) - : "memory", "cc"); + : "memory", "0", "1", "cc"); return !retval; } |