/* Atomic operations. PowerPC Common version. Copyright (C) 2003-2025 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* * Never include sysdeps/powerpc/atomic-machine.h directly. * Always use include/atomic.h which will include either * sysdeps/powerpc/powerpc32/atomic-machine.h * or * sysdeps/powerpc/powerpc64/atomic-machine.h * as appropriate and which in turn include this file. */ #define __ARCH_ACQ_INSTR "isync" #ifndef __ARCH_REL_INSTR # define __ARCH_REL_INSTR "sync" #endif #ifndef MUTEX_HINT_ACQ # define MUTEX_HINT_ACQ #endif #ifndef MUTEX_HINT_REL # define MUTEX_HINT_REL #endif #define atomic_full_barrier() __asm ("sync" ::: "memory")