Saturation arithmetic and rounding have area and performance costs. Use only if
necessary. For example a Reinterpret block does not cost any logic. A Convert (cast) block does not
cost any logic if you set Quantization to Truncate and if Overflow
to Wrap.
If the data type requires the use of the Rounding and Saturation options, then pipeline the Convert block with embedded register stages. If you are using a DSP48E1, it can perform rounding internally.