Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / arch / openrisc / include / asm / bitops / ffs.h
blob9de46246ebc756fe6edb3c8341b3175b1f0e2778
1 /*
2 * OpenRISC Linux
4 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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.
12 #ifndef __ASM_OPENRISC_FFS_H
13 #define __ASM_OPENRISC_FFS_H
15 #ifdef CONFIG_OPENRISC_HAVE_INST_FF1
17 static inline int ffs(int x)
19 int ret;
21 __asm__ ("l.ff1 %0,%1"
22 : "=r" (ret)
23 : "r" (x));
25 return ret;
28 #else
29 #include <asm-generic/bitops/ffs.h>
30 #endif
32 #endif /* __ASM_OPENRISC_FFS_H */