int value = VM_Interface.readAvailableBitsWord(object); return (value & LOGGING_MASK) == UNLOGGED;
VM_Word value = VM_Interface.readAvailableBitsWord(object); return value.and(LOGGING_MASK).EQ(UNLOGGED);
  static boolean needsToBeLogged(VM_Address object)     throws VM_PragmaUninterruptible, VM_PragmaInline {    int value = VM_Interface.readAvailableBitsWord(object);    return (value & LOGGING_MASK) == UNLOGGED;  }