1 /*
2  * OpenRISC Linux
3  *
4  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11 
12 #ifndef __ASM_OPENRISC_FFS_H
13 #define __ASM_OPENRISC_FFS_H
14 
15 #ifdef CONFIG_OPENRISC_HAVE_INST_FF1
16 
17 static inline int ffs(int x)
18 {
19 	int ret;
20 
21 	__asm__ ("l.ff1 %0,%1"
22 		 : "=r" (ret)
23 		 : "r" (x));
24 
25 	return ret;
26 }
27 
28 #else
29 #include <asm-generic/bitops/ffs.h>
30 #endif
31 
32 #endif /* __ASM_OPENRISC_FFS_H */
33