_mm256_permutexvar_ps
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512F
Header File
Instruction
VPERMPS ymm, ymm, ymm
Synopsis
_mm256_permutexvar_ps(__m256i idx, __m256 a);
Description
Shuffle single-precision (32-bit) floating-point elements in "a" across lanes using the corresponding index in "idx".
Operation
FOR j := 0 to 7
i := j*32
id := idx[i+2:i]*32
dst[i+31:i] := a[id+31:id]
ENDFOR
dst[MAX:256] := 0