| 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 | ||||