8 #define __const_hweight8(w)		\  argument
10 	 ((!!((w) & (1ULL << 0))) +	\
11 	  (!!((w) & (1ULL << 1))) +	\
12 	  (!!((w) & (1ULL << 2))) +	\
13 	  (!!((w) & (1ULL << 3))) +	\
14 	  (!!((w) & (1ULL << 4))) +	\
15 	  (!!((w) & (1ULL << 5))) +	\
16 	  (!!((w) & (1ULL << 6))) +	\
17 	  (!!((w) & (1ULL << 7)))))
19 #define __const_hweight16(w) (__const_hweight8(w)  + __const_hweight8((w)  >> 8 ))  argument
20 #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))  argument
21 #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))  argument
26 #define hweight8(w)  (__builtin_constant_p(w) ? __const_hweight8(w)  : __arch_hweight8(w))  argument
27 #define hweight16(w) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w))  argument
28 #define hweight32(w) (__builtin_constant_p(w) ? __const_hweight32(w) : __arch_hweight32(w))  argument
29 #define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))  argument
34 #define HWEIGHT8(w)  (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight8(w))  argument
35 #define HWEIGHT16(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w))  argument
36 #define HWEIGHT32(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight32(w))  argument
37 #define HWEIGHT64(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight64(w))  argument
42 #define HWEIGHT(w)   HWEIGHT64((u64)w)  argument