_mm_fpclass_pd_mask
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512DQ
Header File
Instruction
VFPCLASSPD k, xmm, imm8
Synopsis
_mm_fpclass_pd_mask(__m128d a, int imm8);
Description
Test packed double-precision (64-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 1
i := j*64
k[j] := CheckFPClass_FP64(a[i+63:i], imm8[7:0])
ENDFOR
k[MAX:2] := 0