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/* Definitions of default options for config/rs6000 configurations.
Copyright (C) 1992-2022 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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 3, or (at your
option) any later version.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/* This header needs to be included after any other headers affecting
TARGET_DEFAULT. */
#if TARGET_AIX_OS
#define OPT_64 "maix64"
#define OPT_32 "maix32"
#else
#define OPT_64 "m64"
#define OPT_32 "m32"
#endif
#ifndef OPTION_MASK_64BIT
#define OPTION_MASK_64BIT 0
#define MASK_64BIT 0
#endif
#if TARGET_DEFAULT & OPTION_MASK_64BIT
#define OPT_ARCH64 "!" OPT_32
#define OPT_ARCH32 OPT_32
#else
#define OPT_ARCH64 OPT_64
#define OPT_ARCH32 "!" OPT_64
#endif
/* Support for a compile-time default CPU, et cetera. The rules are:
--with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32
and --with-cpu-64.
--with-tune is ignored if -mtune or -mcpu is specified; likewise
--with-tune-32 and --with-tune-64.
--with-float is ignored if -mhard-float or -msoft-float are
specified. */
#define OPTION_DEFAULT_SPECS \
{"abi", "%{!mabi=elfv*:-mabi=%(VALUE)}" }, \
{"tune", "%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}" }, \
{"tune_32", "%{" OPT_ARCH32 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
{"tune_64", "%{" OPT_ARCH64 ":%{!mtune=*:%{!mcpu=*:-mtune=%(VALUE)}}}" }, \
{"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
{"cpu_32", "%{" OPT_ARCH32 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
{"cpu_64", "%{" OPT_ARCH64 ":%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
{"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }
/* rs6000.md uses OPTION_GLIBC unconditionally, while it is defined only in
linux{,64}.h. Define fallback for other targets here. */
#ifndef OPTION_GLIBC
#define OPTION_GLIBC 0
#endif
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