bitops: Optimize hweight() by making use of compile-time evaluation
[safe/jmp/linux-2.6] / include / asm-generic / bitops / arch_hweight.h
1 #ifndef _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_
2 #define _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_
3
4 #include <asm/types.h>
5
6 extern unsigned int __arch_hweight32(unsigned int w);
7 extern unsigned int __arch_hweight16(unsigned int w);
8 extern unsigned int __arch_hweight8(unsigned int w);
9 extern unsigned long __arch_hweight64(__u64 w);
10
11 #endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */