```
| 0-5 | 6-28 29 | 30-31| 32 |33-63| Description |
|-----|---------|------|----|-----|------------------------------------|
-| PO9 | xxx | 0 | 0 0 | 0 | xxxx| 56-bit `RESERVED` |
-| PO9 | xxx | 1 | 0 0 | 0 | xxxx| 32-bit Unvectorizable |
+| PO9 | xxx | 0 | 0 0 | 0 | DWd | SVP64:EX209 |
+| PO9 | xxx | 1 | 0 0 | 0 | n/a | 32-bit EXT209 |
| 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 |