Macros
#define	__const_hweight8(w)

#define	__const_hweight16(w) (__const_hweight8(w) + __const_hweight8((w) >> 8 ))

#define	__const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))

#define	__const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))

#define	hweight8(w) (__builtin_constant_p(w) ? __const_hweight8(w) : __arch_hweight8(w))

#define	hweight16(w) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w))

#define	hweight32(w) (__builtin_constant_p(w) ? __const_hweight32(w) : __arch_hweight32(w))

#define	hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))

#define	HWEIGHT8(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight8(w))

#define	HWEIGHT16(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w))

#define	HWEIGHT32(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight32(w))

#define	HWEIGHT64(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight64(w))

#define	HWEIGHT(w) HWEIGHT64((u64)w)

Macro Definition Documentation

#define __const_hweight16 ( w ) (__const_hweight8(w) + __const_hweight8((w) >> 8 ))

Definition at line 17 of file const_hweight.h.

#define __const_hweight32 ( w ) (__const_hweight16(w) + __const_hweight16((w) >> 16))

Definition at line 18 of file const_hweight.h.

#define __const_hweight64 ( w ) (__const_hweight32(w) + __const_hweight32((w) >> 32))

Definition at line 19 of file const_hweight.h.

#define __const_hweight8 ( w )

Value:

(   (!!((w) & (1ULL << 0))) +   \
    (!!((w) & (1ULL << 1))) +   \
    (!!((w) & (1ULL << 2))) +   \
    (!!((w) & (1ULL << 3))) +   \
    (!!((w) & (1ULL << 4))) +   \
    (!!((w) & (1ULL << 5))) +   \
    (!!((w) & (1ULL << 6))) +   \
    (!!((w) & (1ULL << 7))) )

Definition at line 7 of file const_hweight.h.

#define HWEIGHT ( w ) HWEIGHT64((u64)w)

Definition at line 40 of file const_hweight.h.

#define hweight16 ( w ) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w))

Definition at line 25 of file const_hweight.h.

#define HWEIGHT16 ( w ) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w))

Definition at line 33 of file const_hweight.h.

#define hweight32 ( w ) (__builtin_constant_p(w) ? __const_hweight32(w) : __arch_hweight32(w))

Definition at line 26 of file const_hweight.h.

#define HWEIGHT32 ( w ) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight32(w))

Definition at line 34 of file const_hweight.h.

#define hweight64 ( w ) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))

Definition at line 27 of file const_hweight.h.

#define HWEIGHT64 ( w ) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight64(w))

Definition at line 35 of file const_hweight.h.

#define hweight8 ( w ) (__builtin_constant_p(w) ? __const_hweight8(w) : __arch_hweight8(w))

Definition at line 24 of file const_hweight.h.

#define HWEIGHT8 ( w ) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight8(w))

Definition at line 32 of file const_hweight.h.

Macros

Macro Definition Documentation