_mm256_fpclass_ps_mask
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512DQ
Header File
Instruction
VFPCLASSPS k, ymm, imm8
Synopsis
_mm256_fpclass_ps_mask(__m256 a, int imm8);
Description
Test packed single-precision (32-bit) floating-point elements in "a" for special categories specified by "imm8", and store the results in mask vector "k".
[fpclass_note]
Operation
FOR j := 0 to 7
i := j*32
k[j] := CheckFPClass_FP32(a[i+31:i], imm8[7:0])
ENDFOR
k[MAX:8] := 0