/* Copyright (C) 2012-2017 Free Software Foundation, Inc. Contributed by Richard Henderson . 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 . */ #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) UTYPE SIZE(libat_load) (UTYPE *mptr, int smodel) { UTYPE ret; if (maybe_specialcase_relaxed(smodel)) ret = *mptr; else { __kernel_dmb (); ret = *mptr; __kernel_dmb (); } return ret; } #define DONE 1 #endif /* !HAVE_DMB */ #include "../../../load_n.c"