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* OpenRISC Linux
* Copyright (C) 2010-2011 Jonas Bonn <>
* This program 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 2 of the License, or
* (at your option) any later version.
#ifndef __ASM_OPENRISC___FFS_H
#define __ASM_OPENRISC___FFS_H
static inline unsigned long __ffs(unsigned long x)
int ret;
__asm__ ("l.ff1 %0,%1"
: "=r" (ret)
: "r" (x));
return ret-1;
#include <asm-generic/bitops/__ffs.h>
#endif /* __ASM_OPENRISC___FFS_H */