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- /*
- * 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 */
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