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authorUlrich Drepper <drepper@redhat.com>2003-09-11 18:56:41 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-11 18:56:41 +0000
commit854f9ec4a67d903e31007a3d4bad0bdada53758a (patch)
tree27e2830d1552a59215c8945cfbe16382ca035aab /linuxthreads/sysdeps/powerpc
parentd087b5dc6bb52cf879e0aee33395e9cc4e3ee847 (diff)
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Update.
2003-09-11  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/powerpc/powerpc64/pt-machine.h [MEMORY_BARRIER]: Use lwsync.
	[READ_MEMORY_BARRIER]: Define.
	[WRITE_MEMORY_BARRIER]: Define.
Diffstat (limited to 'linuxthreads/sysdeps/powerpc')
-rw-r--r--linuxthreads/sysdeps/powerpc/powerpc64/pt-machine.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/linuxthreads/sysdeps/powerpc/powerpc64/pt-machine.h b/linuxthreads/sysdeps/powerpc/powerpc64/pt-machine.h
index f28e8080bb..ac3149581b 100644
--- a/linuxthreads/sysdeps/powerpc/powerpc64/pt-machine.h
+++ b/linuxthreads/sysdeps/powerpc/powerpc64/pt-machine.h
@@ -34,7 +34,9 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval);
 /* For multiprocessor systems, we want to ensure all memory accesses
    are completed before we reset a lock.  On other systems, we still
    need to make sure that the compiler has flushed everything to memory.  */
-#define MEMORY_BARRIER() __asm__ __volatile__ ("sync" : : : "memory")
+#define MEMORY_BARRIER() __asm__ __volatile__ ("lwsync" : : : "memory")
+#define READ_MEMORY_BARRIER() __asm__ __volatile__ ("lwsync" : : : "memory")
+#define WRITE_MEMORY_BARRIER() __asm__ __volatile__ ("eieio" : : : "memory")
 
 /* We want the OS to assign stack addresses.  */
 #define FLOATING_STACKS 1