#ifndef ARCH_ARM_H
#define ARCH_ARM_H
#define FIO_ARCH (arch_arm)
#if defined (__ARM_ARCH_4__) || defined (__ARM_ARCH_4T__) \
|| defined (__ARM_ARCH_5__) || defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5E__)\
|| defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__) \
|| defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#define nop __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t")
#define read_barrier() __asm__ __volatile__ ("" : : : "memory")
#define write_barrier() __asm__ __volatile__ ("" : : : "memory")
#elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_8A__)
#define nop __asm__ __volatile__ ("nop")
#define read_barrier() __sync_synchronize()
#define write_barrier() __sync_synchronize()
#endif
#endif