199                                          oop compare_value,

   199                                          oop compare_value,

   200                                          bool prebarrier = false);

   200                                          bool prebarrier = false);

   201 

   201 

   202   // Access to fields in a instanceOop through these methods.

   202   // Access to fields in a instanceOop through these methods.

   203   oop obj_field(int offset) const;

   203   oop obj_field(int offset) const;

   204   void obj_field_put(int offset, oop value);

   205   void obj_field_put(int offset, oop value);

   205   void obj_field_put_raw(int offset, oop value);

   206   void obj_field_put_raw(int offset, oop value);

   206   void obj_field_put_volatile(int offset, oop value);

   207   void obj_field_put_volatile(int offset, oop value);

   207 

   208 

   208   Metadata* metadata_field(int offset) const;

   209   Metadata* metadata_field(int offset) const;