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authorJakub Jelinek <jakub@redhat.com>2008-11-07 15:18:47 +0000
committerJakub Jelinek <jakub@redhat.com>2008-11-07 15:18:47 +0000
commita90695507e7ae4bac5f24ff29e0febf35929c255 (patch)
treee9815eeb8e62b2ff4501ddb46c8b3f02b88aa231 /sysdeps/s390/bits/atomic.h
parent09f66a4f52fa6ade6d93c8bc16bbb349cb52d915 (diff)
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* sysdeps/s390/bits/atomic.h (__arch_compare_and_exchange_val_32_acq,
__arch_compare_and_exchange_val_64_acq): Add "memory" clobber.
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.
Diffstat (limited to 'sysdeps/s390/bits/atomic.h')
-rw-r--r--sysdeps/s390/bits/atomic.h4
1 files changed, 2 insertions, 2 deletions
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