aix31.h

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/* Definitions of target machine for GNU compiler,
   for IBM RS/6000 running AIX version 3.1.
   Copyright (C) 1993,1997 Free Software Foundation, Inc.
   Contributed by Richard Kenner ([e-mail])

This file is part of GNU CC.

GNU CC 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 CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


#include "rs6000/rs6000.h"

/* AIX 3.2 defined _AIX32, but older versions do not.  */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D_IBMR2 -D_AIX -Asystem(unix) -Asystem(aix) -Acpu(rs6000) -Amachine(rs6000)"

/* AIX 3.1 uses bit 15 in CROR as the magic nop.  */
#undef RS6000_CALL_GLUE
#define RS6000_CALL_GLUE "cror 15,15,15"

/* AIX 3.1 does not prepend underscores to itrunc, uitrunc, or mcount.  */
#undef RS6000_ITRUNC
#define RS6000_ITRUNC "itrunc"
#undef RS6000_UITRUNC
#define RS6000_UITRUNC "uitrunc"
#undef RS6000_MCOUNT
#define RS6000_MCOUNT ".mcount"