_mm256_permutexvar_epi16
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512BW
Header File
Instruction
VPERMW ymm, ymm, ymm
Synopsis
_mm256_permutexvar_epi16(__m256i idx, __m256i a);
Description
Shuffle 16-bit integers in "a" across lanes using the corresponding index in "idx", and store the results in "dst".
Operation
FOR j := 0 to 15
i := j*16
id := idx[i+3:i]*16
dst[i+15:i] := a[id+15:id]
ENDFOR
dst[MAX:256] := 0