_mm256_cmpeq_epi64_mask
Classification
AVX-512, Compare, CPUID Test: AVX512F
Header File
Instruction
VPCMPQ k, ymm, ymm
Synopsis
_mm256_cmpeq_epi64_mask(__m256i a, __m256i b);
Description
Compare packed signed 64-bit integers in "a" and "b" for equality, and store the results in mask vector "k".
Operation
FOR j := 0 to 3
i := j*64
k[j] := ( a[i+63:i] == b[i+63:i] ) ? 1 : 0
ENDFOR
k[MAX:4] := 0