# HG changeset patch
# User mdoerr
# Date 1472552733 -7200
#      Tue Aug 30 12:25:33 2016 +0200
# Node ID fee4d6b9d45abbffc00ccc31b9a26efc4c307d6d
# Parent  b9a861dc8f9da8b842c2fcf896b8a4a203ec1844
8165018: Missing memory barrier for PPC64 in Unsafe_GetObjectVolatile
Reviewed-by:

diff --git a/src/share/vm/prims/unsafe.cpp b/src/share/vm/prims/unsafe.cpp
--- a/src/share/vm/prims/unsafe.cpp
+++ b/src/share/vm/prims/unsafe.cpp
@@ -324,6 +324,10 @@
 
   volatile oop v;
 
+  if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    OrderAccess::fence();
+  }
+
   if (UseCompressedOops) {
     volatile narrowOop n = *(volatile narrowOop*) addr;
     (void)const_cast<oop&>(v = oopDesc::decode_heap_oop(n));