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authorTorvald Riegel <triegel@redhat.com>2014-10-18 01:01:58 +0200
committerTorvald Riegel <triegel@redhat.com>2014-10-31 23:26:22 +0100
commit7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a (patch)
tree10ccc3e9173f0b5a94a9209ab86d6e591b45fafe /sysdeps/powerpc/powerpc64
parentd6f373d21b19565838cb9848c15b8070f2fe1305 (diff)
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powerpc: Change atomic_write_barrier to have release semantics.
Diffstat (limited to 'sysdeps/powerpc/powerpc64')
-rw-r--r--sysdeps/powerpc/powerpc64/bits/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/bits/atomic.h b/sysdeps/powerpc/powerpc64/bits/atomic.h
index 527fe7c133..ed26b7253e 100644
--- a/sysdeps/powerpc/powerpc64/bits/atomic.h
+++ b/sysdeps/powerpc/powerpc64/bits/atomic.h
@@ -234,6 +234,7 @@
 #ifndef UP
 # define __ARCH_REL_INSTR	"lwsync"
 #endif
+#define atomic_write_barrier()	__asm ("lwsync" ::: "memory")
 
 /*
  * Include the rest of the atomic ops macros which are common to both