| 0-5 | 6-28 29 | 30-31| 32 |33-63| Description |
|-----|---------|------|----|-----|------------------------------------|
| PO9 | xxx | 0 | 0 0 | 0 | DWd | SVP64:EXT900 |
-| PO9 | xxx | 1 | 0 0 | 0 | n/a | 32-bit EXT900 |
+| PO9 | xxx | 1 | 0 0 | 0 | 32-bit EXT900 |
| PO9 | !zero | 0 0 | 1 | DWd | SVP64Single:EXT232-263 |
| PO9 | 0000 | 0 0 | 1 | DWd | Scalar EXT232-263 |
| PO9 | nnnn | 1 0 | 1 | DWd | SVP64:EXT232-263 |