Staging
v0.5.1
https://github.com/torvalds/linux
Raw File
Tip revision: 9d3cce1e8b8561fed5f383d22a4d6949db4eadbe authored by Linus Torvalds on 15 July 2018, 19:49:31 UTC
Linux 4.18-rc5
Tip revision: 9d3cce1
builtin-ffs.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
#define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_

/**
 * ffs - find first bit set
 * @x: the word to search
 *
 * This is defined the same way as
 * the libc and compiler builtin ffs routines, therefore
 * differs in spirit from the above ffz (man ffs).
 */
static __always_inline int ffs(int x)
{
	return __builtin_ffs(x);
}

#endif
back to top