[PATCH] Misc minor fixes

[fio.git] / arch-ia64.h

#ifndef ARCH_IA64_H
#define ARCH_IA64_H

#define ARCH	(arch_ia64)

#ifndef __NR_ioprio_set
#define __NR_ioprio_set		1274
#define __NR_ioprio_get		1275
#endif

#ifndef __NR_fadvise64
#define __NR_fadvise64		1234
#endif

#define nop	asm volatile ("hint @pause" ::: "memory");

#define ia64_popcnt(x)							\
({									\
	unsigned long ia64_intri_res;					\
	asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x));		\
	ia64_intri_res;							\
})

static inline unsigned long ffz(unsigned long bitmask)
{
	return ia64_popcnt(bitmask & (~bitmask - 1));
}

#endif