Catalin Marinas | 048fa2d | 2012-09-12 22:00:53 +0100 | [diff] [blame^] | 1 | #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ |
2 | #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ | ||||
3 | |||||
4 | /** | ||||
5 | * ffs - find first bit set | ||||
6 | * @x: the word to search | ||||
7 | * | ||||
8 | * This is defined the same way as | ||||
9 | * the libc and compiler builtin ffs routines, therefore | ||||
10 | * differs in spirit from the above ffz (man ffs). | ||||
11 | */ | ||||
12 | static __always_inline int ffs(int x) | ||||
13 | { | ||||
14 | return __builtin_ffs(x); | ||||
15 | } | ||||
16 | |||||
17 | #endif |