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File libatomic_ops-ppc64.patch of Package libatomic_ops

Force AO_load() to map to AO_load_acquire() for powerpc.  The
AO_load_acquire() function includes isync instructions that
are critical for proper behavior on power system.

Signed-Off-By: Will Schmidt <will_schmidt at vnet.ibm.com>

Index: libatomic_ops-7.2/src/atomic_ops/sysdeps/gcc/powerpc.h
--- libatomic_ops-7.2.orig/src/atomic_ops/sysdeps/gcc/powerpc.h
+++ libatomic_ops-7.2/src/atomic_ops/sysdeps/gcc/powerpc.h
@@ -32,6 +32,8 @@
 #include "../all_aligned_atomic_load_store.h"
+#define AO_load(addr) AO_load_acquire(addr)
 #include "../test_and_set_t_is_ao_t.h"
         /* There seems to be no byte equivalent of lwarx, so this       */
         /* may really be what we want, at least in the 32-bit case.     */