| /* Copyright (C) 2012-2014 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/>. */ |
| |
| #include "libatomic_i.h" |
| |
| |
| /* If we use the builtin we'll get __sync_synchronize, not __kernel_dmb. */ |
| #if !DONE && N <= WORDSIZE && !defined(HAVE_DMB) && !defined(HAVE_DMB_MCR) |
| void |
| SIZE(libat_store) (UTYPE *mptr, UTYPE val, int smodel) |
| { |
| if (maybe_specialcase_relaxed(smodel)) |
| *mptr = val; |
| else |
| { |
| __kernel_dmb (); |
| *mptr = val; |
| __kernel_dmb (); |
| } |
| } |
| |
| #define DONE 1 |
| #endif /* !HAVE_DMB */ |
| |
| #include "../../../store_n.c" |
