^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * ffs - find first bit set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * @x: the word to search
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This is defined the same way as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * the libc and compiler builtin ffs routines, therefore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * differs in spirit from the above ffz (man ffs).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static __always_inline int ffs(int x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) return __builtin_ffs(x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #endif