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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 (kenner@nyu.edu)
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"
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