blob: 50746cfa0b84905ab910192e040651370ba0b5fe [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001/*
2 * OpenRISC Linux
3 *
4 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#ifndef __ASM_OPENRISC_FFS_H
10#define __ASM_OPENRISC_FFS_H
11
12static inline int ffs(int x)
13{
14 int ret;
15
16 __asm__ ("l.ff1 %0,%1"
17 : "=r" (ret)
18 : "r" (x));
19
20 return ret;
21}
22
23#endif /* __ASM_OPENRISC_FFS_H */