43#ifndef INCLUDED_VOLK_32u_POPCNT_A16_H
44#define INCLUDED_VOLK_32u_POPCNT_A16_H
54 uint32_t retVal = value;
56 retVal = (retVal & 0x55555555) + (retVal >> 1 & 0x55555555);
57 retVal = (retVal & 0x33333333) + (retVal >> 2 & 0x33333333);
58 retVal = (retVal + (retVal >> 4)) & 0x0F0F0F0F;
59 retVal = (retVal + (retVal >> 8));
60 retVal = (retVal + (retVal >> 16)) & 0x0000003F;
74 *ret = _mm_popcnt_u32(value);
80#include <riscv_vector.h>
82static inline void volk_32u_popcnt_rvv(uint32_t* ret,
const uint32_t value)
84 *ret = __riscv_vcpop(__riscv_vreinterpret_b4(__riscv_vmv_s_x_u64m1(value, 1)), 32);
89#include <riscv_bitmanip.h>
91static inline void volk_32u_popcnt_rva22(uint32_t* ret,
const uint32_t value)
93 *ret = __riscv_cpop_32(value);
static void volk_32u_popcnt_a_sse4_2(uint32_t *ret, const uint32_t value)
Definition volk_32u_popcnt.h:72
static void volk_32u_popcnt_generic(uint32_t *ret, const uint32_t value)
Definition volk_32u_popcnt.h:51