15 	w -= (w >> 1) & 0x55555555;  in __sw_hweight32()
16 	w =  (w & 0x33333333) + ((w >> 2) & 0x33333333);  in __sw_hweight32()
17 	w =  (w + (w >> 4)) & 0x0f0f0f0f;  in __sw_hweight32()
18 	return (w * 0x01010101) >> 24;  in __sw_hweight32()
20 	unsigned int res = w - ((w >> 1) & 0x55555555);  in __sw_hweight32()
21 	res = (res & 0x33333333) + ((res >> 2) & 0x33333333);  in __sw_hweight32()
22 	res = (res + (res >> 4)) & 0x0F0F0F0F;  in __sw_hweight32()
24 	return (res + (res >> 16)) & 0x000000FF;  in __sw_hweight32()
30 	unsigned int res = w - ((w >> 1) & 0x5555);  in __sw_hweight16()
31 	res = (res & 0x3333) + ((res >> 2) & 0x3333);  in __sw_hweight16()
32 	res = (res + (res >> 4)) & 0x0F0F;  in __sw_hweight16()
33 	return (res + (res >> 8)) & 0x00FF;  in __sw_hweight16()
38 	unsigned int res = w - ((w >> 1) & 0x55);  in __sw_hweight8()
39 	res = (res & 0x33) + ((res >> 2) & 0x33);  in __sw_hweight8()
40 	return (res + (res >> 4)) & 0x0F;  in __sw_hweight8()
50 	w -= (w >> 1) & 0x5555555555555555ul;  in __sw_hweight64()
51 	w =  (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul);  in __sw_hweight64()
52 	w =  (w + (w >> 4)) & 0x0f0f0f0f0f0f0f0ful;  in __sw_hweight64()
53 	return (w * 0x0101010101010101ul) >> 56;  in __sw_hweight64()
55 	__u64 res = w - ((w >> 1) & 0x5555555555555555ul);  in __sw_hweight64()
56 	res = (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul);  in __sw_hweight64()
57 	res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful;  in __sw_hweight64()
60 	return (res + (res >> 32)) & 0x00000000000000FFul;  in __sw_hweight64()