Initial revision
[official-gcc.git] / gcc / config / rs6000 / aix31.h
blob46bd03c38fbf60c4dd5f9d3bc89269e20ae4c57a
1 /* Definitions of target machine for GNU compiler,
2 for IBM RS/6000 running AIX version 3.1.
3 Copyright (C) 1993,1997 Free Software Foundation, Inc.
4 Contributed by Richard Kenner (kenner@nyu.edu)
6 This file is part of GNU CC.
8 GNU CC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
13 GNU CC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU CC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
24 #include "rs6000/rs6000.h"
26 /* AIX 3.2 defined _AIX32, but older versions do not. */
27 #undef CPP_PREDEFINES
28 #define CPP_PREDEFINES "-D_IBMR2 -D_AIX -Asystem(unix) -Asystem(aix) -Acpu(rs6000) -Amachine(rs6000)"
30 /* AIX 3.1 uses bit 15 in CROR as the magic nop. */
31 #undef RS6000_CALL_GLUE
32 #define RS6000_CALL_GLUE "cror 15,15,15"
34 /* AIX 3.1 does not prepend underscores to itrunc, uitrunc, or mcount. */
35 #undef RS6000_ITRUNC
36 #define RS6000_ITRUNC "itrunc"
37 #undef RS6000_UITRUNC
38 #define RS6000_UITRUNC "uitrunc"
39 #undef RS6000_MCOUNT
40 #define RS6000_MCOUNT ".mcount"