_mm_fpclass_sd_mask
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512DQ
Header File
Instruction
VFPCLASSSD k, xmm, imm8
Synopsis
_mm_fpclass_sd_mask(__m128d a, int imm8);
Description
Test the lower double-precision (64-bit) floating-point element in "a" for special categories specified by "imm8", and store the result in mask vector "k".
[fpclass_note]
Operation
k[0] := CheckFPClass_FP64(a[63:0], imm8[7:0])
k[MAX:1] := 0