*** old/src/share/vm/oops/oop.inline.hpp	Thu Sep  8 02:26:34 2011
--- new/src/share/vm/oops/oop.inline.hpp	Thu Sep  8 02:26:34 2011

*** 319,337 ****
--- 319,347 ----
  inline oop oopDesc::obj_field(int offset) const {
    return UseCompressedOops ?
      load_decode_heap_oop(obj_field_addr<narrowOop>(offset)) :
      load_decode_heap_oop(obj_field_addr<oop>(offset));
  }
+ inline volatile oop oopDesc::obj_field_volatile(int offset) const {
+   volatile oop value = obj_field(offset);
+   OrderAccess::acquire();
+   return value;
+ }
  inline void oopDesc::obj_field_put(int offset, oop value) {
    UseCompressedOops ? oop_store(obj_field_addr<narrowOop>(offset), value) :
                        oop_store(obj_field_addr<oop>(offset),       value);
  }
! inline void oopDesc::obj_field_raw_put(int offset, oop value) {
! inline void oopDesc::obj_field_put_raw(int offset, oop value) {
    UseCompressedOops ?
      encode_store_heap_oop(obj_field_addr<narrowOop>(offset), value) :
      encode_store_heap_oop(obj_field_addr<oop>(offset),       value);
  }
+ inline void oopDesc::obj_field_put_volatile(int offset, oop value) {
+   OrderAccess::release();
+   obj_field_put(offset, value);
+   OrderAccess::fence();
+ }
  
  inline jbyte oopDesc::byte_field(int offset) const                  { return (jbyte) *byte_field_addr(offset);    }
  inline void oopDesc::byte_field_put(int offset, jbyte contents)     { *byte_field_addr(offset) = (jint) contents; }
  
  inline jboolean oopDesc::bool_field(int offset) const               { return (jboolean) *bool_field_addr(offset); }