(* Copyright (C) 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)

MODULE subaddr;

FROM SYSTEM IMPORT ADDRESS;

VAR
   x, y: ADDRESS;
#if defined(__x86_64) || (defined(__alpha__) && defined(__arch64__)) || defined(__LP64__)
   i   : LONGCARD ;
#else
   i   : CARDINAL;
#endif
BEGIN
#if defined(__x86_64) || (defined(__alpha__) && defined(__arch64__)) || defined(__LP64__)
   i := LONGCARD(x - y)
#else
   i := CARDINAL(x - y)
#endif
END subaddr.