_mm_fpclass_ss_mask
Classification
AVX-512, Miscellaneous, CPUID Test: AVX512DQ
Header File
Instruction
VFPCLASSSS k, xmm, imm8
Synopsis
_mm_fpclass_ss_mask(__m128 a, int imm8);
Description
Test the lower single-precision (32-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_FP32(a[31:0], imm8[7:0])
k[MAX:1] := 0