| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| */ |
| #ifndef _ASM_ARCH_HWEIGHT_H |
| #define _ASM_ARCH_HWEIGHT_H |
| |
| #ifdef ARCH_HAS_USABLE_BUILTIN_POPCOUNT |
| |
| #include <asm/types.h> |
| |
| static inline unsigned int __arch_hweight32(unsigned int w) |
| { |
| return __builtin_popcount(w); |
| } |
| |
| static inline unsigned int __arch_hweight16(unsigned int w) |
| { |
| return __builtin_popcount(w & 0xffff); |
| } |
| |
| static inline unsigned int __arch_hweight8(unsigned int w) |
| { |
| return __builtin_popcount(w & 0xff); |
| } |
| |
| static inline unsigned long __arch_hweight64(__u64 w) |
| { |
| return __builtin_popcountll(w); |
| } |
| |
| #else |
| #include <asm-generic/bitops/arch_hweight.h> |
| #endif |
| |
| #endif /* _ASM_ARCH_HWEIGHT_H */ |
