Lines Matching refs:_x
35 __bitcount16(u_int16_t _x)
38 _x = (_x & 0x5555) + ((_x & 0xaaaa) >> 1);
39 _x = (_x & 0x3333) + ((_x & 0xcccc) >> 2);
40 _x = (_x + (_x >> 4)) & 0x0f0f;
41 _x = (_x + (_x >> 8)) & 0x00ff;
42 return (_x);
46 __bitcount32(u_int32_t _x)
49 _x = (_x & 0x55555555) + ((_x & 0xaaaaaaaa) >> 1);
50 _x = (_x & 0x33333333) + ((_x & 0xcccccccc) >> 2);
51 _x = (_x + (_x >> 4)) & 0x0f0f0f0f;
52 _x = (_x + (_x >> 8));
53 _x = (_x + (_x >> 16)) & 0x000000ff;
54 return (_x);
59 __bitcount64(u_int64_t _x)
62 _x = (_x & 0x5555555555555555) + ((_x & 0xaaaaaaaaaaaaaaaa) >> 1);
63 _x = (_x & 0x3333333333333333) + ((_x & 0xcccccccccccccccc) >> 2);
64 _x = (_x + (_x >> 4)) & 0x0f0f0f0f0f0f0f0f;
65 _x = (_x + (_x >> 8));
66 _x = (_x + (_x >> 16));
67 _x = (_x + (_x >> 32)) & 0x000000ff;
68 return (_x);
74 __bitcount64(u_int64_t _x)
77 return (__bitcount32(_x >> 32) + __bitcount32(_x));