| 0-5 | 6-27 28 29 | 30-31| 32 |33-63| Description |
|-----|------------|------|----|-----|------------------------------------|
| PO9 | xxx 0 0 | 0 0 | 0 | xxxx| 55-bit `RESERVED` |
-| PO9 | xxx 0 1 | 0 0 | 0 | xxxx| 32-bit Unvectorizable instructions |
-| PO9 | xxx 1 0 | 0 0 | 0 | xxxx| 32-bit Unvectorizable instructions |
-| PO9 | xxx 1 1 | 0 0 | 0 | xxxx| 32-bit Unvectorizable instructions |
+| PO9 | xxx 0 1 | 0 0 | 0 | xxxx| 32-bit Unvectorizable |
+| PO9 | xxx 1 0 | 0 0 | 0 | xxxx| 32-bit Unvectorizable |
+| PO9 | xxx 1 1 | 0 0 | 0 | xxxx| 32-bit Unvectorizable |
| 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 |
-| PO9 | 0000 | 0 1 | x | xxxx| 32-bit Unvectorizable instructions |
+| PO9 | 0000 | 0 1 | x | xxxx| 32-bit Unvectorizable (in 64-bit) |
| PO9 | !zero | 0 1 | n | DWd | SVP64Single:EXT000-063 |
| PO9 | nnnn | 1 1 | n | DWd | SVP64:EXT000-063 |
```