* XLEN=32 overrides FPR "full width" operations to
full BFP32, and "half width" to be "BFP16 stored in an BFP32"
* XLEN=16 redefines FPR "full width" operations to full [IEEE BFP16](https://en.wikipedia.org/wiki/Half-precision_floating-point_format) and leaves
* XLEN=32 overrides FPR "full width" operations to
full BFP32, and "half width" to be "BFP16 stored in an BFP32"
* XLEN=16 redefines FPR "full width" operations to full [IEEE BFP16](https://en.wikipedia.org/wiki/Half-precision_floating-point_format) and leaves