diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/s390/bits/atomic.h | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index d4c45e103d..3f093d3c9a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2008-11-03 Michael Matz <matz@suse.de> + + * sysdeps/s390/bits/atomic.h (__arch_compare_and_exchange_val_32_acq, + __arch_compare_and_exchange_val_64_acq): Add "memory" clobber. + 2008-11-07 Jakub Jelinek <jakub@redhat.com> * include/stdio.h (__builtin_fwrite, __builtin_fwrite_unlocked): diff --git a/sysdeps/s390/bits/atomic.h b/sysdeps/s390/bits/atomic.h index aa00473413..95d0390d09 100644 --- a/sysdeps/s390/bits/atomic.h +++ b/sysdeps/s390/bits/atomic.h @@ -56,7 +56,7 @@ typedef uintmax_t uatomic_max_t; __typeof (*mem) __archold = (oldval); \ __asm __volatile ("cs %0,%2,%1" \ : "+d" (__archold), "=Q" (*__archmem) \ - : "d" (newval), "m" (*__archmem) : "cc" ); \ + : "d" (newval), "m" (*__archmem) : "cc", "memory" ); \ __archold; }) #ifdef __s390x__ @@ -65,7 +65,7 @@ typedef uintmax_t uatomic_max_t; __typeof (*mem) __archold = (oldval); \ __asm __volatile ("csg %0,%2,%1" \ : "+d" (__archold), "=Q" (*__archmem) \ - : "d" ((long) (newval)), "m" (*__archmem) : "cc" ); \ + : "d" ((long) (newval)), "m" (*__archmem) : "cc", "memory" ); \ __archold; }) #else /* For 31 bit we do not really need 64-bit compare-and-exchange. We can |