Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
       3             : #define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
       4             : 
       5             : /**
       6             :  * __ffs - find first bit in word.
       7             :  * @word: The word to search
       8             :  *
       9             :  * Undefined if no bit exists, so code should check against 0 first.
      10             :  */
      11             : static __always_inline unsigned long __ffs(unsigned long word)
      12             : {
      13  3311668289 :         return __builtin_ctzl(word);
      14             : }
      15             : 
      16             : #endif