1 #ifndef INCLUDED_volk_64u_popcnt_a_H
2 #define INCLUDED_volk_64u_popcnt_a_H
11 static inline void volk_64u_popcnt_a_generic(
uint64_t* ret,
const uint64_t value) {
18 retVal = (retVal & 0x55555555) + (retVal >> 1 & 0x55555555);
19 retVal = (retVal & 0x33333333) + (retVal >> 2 & 0x33333333);
20 retVal = (retVal + (retVal >> 4)) & 0x0F0F0F0F;
21 retVal = (retVal + (retVal >> 8));
22 retVal = (retVal + (retVal >> 16)) & 0x0000003F;
25 retVal = valueVector[1];
26 retVal = (retVal & 0x55555555) + (retVal >> 1 & 0x55555555);
27 retVal = (retVal & 0x33333333) + (retVal >> 2 & 0x33333333);
28 retVal = (retVal + (retVal >> 4)) & 0x0F0F0F0F;
29 retVal = (retVal + (retVal >> 8));
30 retVal = (retVal + (retVal >> 16)) & 0x0000003F;
39 #if LV_HAVE_SSE4_2 && LV_HAVE_64
41 #include <nmmintrin.h>
43 static inline void volk_64u_popcnt_a_sse4_2(
uint64_t* ret,
const uint64_t value) {
44 *ret = _mm_popcnt_u64(value);