889   UnsafeWrapper("Unsafe_CompareAndSwapObject");

   889   UnsafeWrapper("Unsafe_CompareAndSwapObject");

   890   oop x = JNIHandles::resolve(x_h);

   890   oop x = JNIHandles::resolve(x_h);

   891   oop e = JNIHandles::resolve(e_h);

   891   oop e = JNIHandles::resolve(e_h);

   892   oop p = JNIHandles::resolve(obj);

   892   oop p = JNIHandles::resolve(obj);

   893   HeapWord* addr = (HeapWord *)index_oop_from_field_offset_long(p, offset);

   893   HeapWord* addr = (HeapWord *)index_oop_from_field_offset_long(p, offset);

   894   oop res = oopDesc::atomic_compare_exchange_oop(x, addr, e);

   895   oop res = oopDesc::atomic_compare_exchange_oop(x, addr, e);

   895   jboolean success  = (res == e);

   896   jboolean success  = (res == e);

   896   if (success)

   897   if (success)

   897     update_barrier_set((void*)addr, x);

   898     update_barrier_set((void*)addr, x);

   898   return success;

   899   return success;