1/* Definitions of default options for config/rs6000 configurations.
2   Copyright (C) 1992-2020 Free Software Foundation, Inc.
3
4   This file is part of GCC.
5
6   GCC is free software; you can redistribute it and/or modify it
7   under the terms of the GNU General Public License as published
8   by the Free Software Foundation; either version 3, or (at your
9   option) any later version.
10
11   GCC is distributed in the hope that it will be useful, but WITHOUT
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14   License for more details.
15
16   Under Section 7 of GPL version 3, you are granted additional
17   permissions described in the GCC Runtime Library Exception, version
18   3.1, as published by the Free Software Foundation.
19
20   You should have received a copy of the GNU General Public License and
21   a copy of the GCC Runtime Library Exception along with this program;
22   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23   <http://www.gnu.org/licenses/>.  */
24
25/* This header needs to be included after any other headers affecting
26   TARGET_DEFAULT.  */
27
28#if TARGET_AIX_OS
29#define OPT_64 "maix64"
30#define OPT_32 "maix32"
31#else
32#define OPT_64 "m64"
33#define OPT_32 "m32"
34#endif
35
36#ifndef OPTION_MASK_64BIT
37#define OPTION_MASK_64BIT 0
38#define MASK_64BIT 0
39#endif
40
41#if TARGET_DEFAULT & OPTION_MASK_64BIT
42#define OPT_ARCH64 "!" OPT_32
43#define OPT_ARCH32 OPT_32
44#else
45#define OPT_ARCH64 OPT_64
46#define OPT_ARCH32 "!" OPT_64
47#endif
48
49/* Support for a compile-time default CPU, et cetera.  The rules are:
50   --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
51     and --with-cpu-64.
52   --with-tune is ignored if -mtune or -mcpu is specified; likewise
53     --with-tune-32 and --with-tune-64.
54   --with-float is ignored if -mhard-float or -msoft-float are
55     specified.  */
56#define OPTION_DEFAULT_SPECS \
57  {"abi", "%{!mabi=elfv*:-mabi=%(VALUE)}" }, \
58  {"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
59  {"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
60  {"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
61  {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
62  {"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
63  {"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
64  {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }
65