_mm256_popcnt_epi8
Classification
AVX-512, Bit Manipulation, CPUID Test: AVX512_BITALG
Header File
immintrin.h
Instruction
VPOPCNTB ymm, ymm
Synopsis
 _mm256_popcnt_epi8(__m256i a);
Description
Count the number of logical 1 bits in packed 8-bit integers in "a", and store the results in "dst".
Operation
DEFINE POPCNT(a) {
	count := 0
	DO WHILE a > 0
		count += a[0]
		a >>= 1
	OD
	RETURN count
}
FOR j := 0 to 31
	i := j*8
	dst[i+7:i] := POPCNT(a[i+7:i])
ENDFOR
dst[MAX:256] := 0