return ((addr.toInt() >> LOG_OBJECT_ALIGNMENT) & (BITS_IN_INT - 1));
return (addr.toWord().rshl(LOG_OBJECT_ALIGNMENT).toInt() & (BITS_IN_INT - 1));
  private static final int addressToBit(VM_Address addr)  //throws VM_PragmaInline   {    return ((addr.toInt() >> LOG_OBJECT_ALIGNMENT) & (BITS_IN_INT - 1));  }