_mm_cvt_roundsi64_ss
Classification
AVX-512, Convert, CPUID Test: AVX512F
Header File
Instruction
VCVTSI2SS xmm, xmm, r64 {er}
Synopsis
_mm_cvt_roundsi64_ss(__m128 a, __int64 b, int rounding);
Description
Convert the signed 64-bit integer "b" to a single-precision (32-bit) floating-point element, store the result in the lower element of "dst", and copy the upper 3 packed elements from "a" to the upper elements of "dst".
[round_note]
Operation
dst[31:0] := Convert_Int64_To_FP32(b[63:0])
dst[127:32] := a[127:32]
dst[MAX:128] := 0