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/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Atomic Library (libatomic).
Libatomic 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 of the License, or
(at your option) any later version.
Libatomic 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/>. */
#if __ARM_FEATURE_LDREX & 4
# define HAVE_STREX 1
#endif
#if (__ARM_FEATURE_LDREX & 0xF) == 0xF
# define HAVE_STREXBHD 1
#endif
#if __ARM_ARCH >= 7
# define HAVE_DMB 1
#elif __ARM_ARCH == 6
# define HAVE_DMB_MCR 1
#endif
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