/usr/src/linux-headers-5.15.0-190/arch/openrisc/include/asm/bitops
Edit: /usr/src/linux-headers-5.15.0-190/arch/openrisc/include/asm/bitops/__ffs.h (464B)
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC Linux
*
* Copyright (C) 2010-2011 Jonas Bonn
*/
#ifndef __ASM_OPENRISC___FFS_H
#define __ASM_OPENRISC___FFS_H
#ifdef CONFIG_OPENRISC_HAVE_INST_FF1
static inline unsigned long __ffs(unsigned long x)
{
int ret;
__asm__ ("l.ff1 %0,%1"
: "=r" (ret)
: "r" (x));
return ret-1;
}
#else
#include
#endif
#endif /* __ASM_OPENRISC___FFS_H */