_mm256_movepi64_mask
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512DQ
Header File
immintrin.h
Instruction
VPMOVQ2M k, ymm
Synopsis
 _mm256_movepi64_mask(__m256i a);
Description
Set each bit of mask register "k" based on the most significant bit of the corresponding packed 64-bit integer in "a".
Operation
FOR j := 0 to 3
	i := j*64
	IF a[i+63]
		k[j] := 1
	ELSE
		k[j] := 0
	FI
ENDFOR
k[MAX:4] := 0