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arch-x86_64.h

#ifndef ARCH_X86_64_h
#define ARCH_X86_64_h

#define ARCH      (arch_x86_64)

#ifndef __NR_ioprio_set
#define __NR_ioprio_set       251
#define __NR_ioprio_get       252
#endif

#ifndef __NR_fadvise64
#define __NR_fadvise64        221
#endif

#ifndef __NR_sys_splice
#define __NR_sys_splice       275
#define __NR_sys_tee          276
#define __NR_sys_vmsplice     278
#endif

#ifndef __NR_async_exec
#define __NR_async_exec       286
#define __NR_async_wait       287
#define __NR_umem_add         288
#define __NR_async_thread     289
#endif

#define     FIO_HUGE_PAGE           2097152

#define FIO_HAVE_SYSLET

#define nop       __asm__ __volatile__("rep;nop": : :"memory")
#define read_barrier()  __asm__ __volatile__("lfence":::"memory")
#define write_barrier() __asm__ __volatile__("sfence":::"memory")

static inline unsigned int arch_ffz(unsigned int bitmask)
{
      __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
      return bitmask;
}
#define ARCH_HAVE_FFZ
#define ARCH_HAVE_SSE

#endif

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