src/share/vm/prims/unsafe.cpp

rev 11906 : 8165018: Missing memory barrier for PPC64 in Unsafe_GetObjectVolatile
Reviewed-by:

*** 322,331 ****
--- 322,335 ----
    oop p = JNIHandles::resolve(obj);
    void* addr = index_oop_from_field_offset_long(p, offset);
  
    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));
    } else {
      (void)const_cast<oop&>(v = *(volatile oop*) addr);