# alternative 32-64 encoding
-| 0-5 | 7 | 8-31 | 6 | 32|33-63|Description |
-|-----|---|-------|---|-----|-----------------------------------|
-| PO9 | x | xxxx | 0 | 0 | xxxx| `RESERVED2` (57-bit) |
-| PO9 | 0 | !zero | 0 | 1 | DWd | SVP64Single:EXT232-263, or `RESERVED3` |
-| PO9 | 0 | 0000 | 0 | 1 | DWd | Scalar EXT232-263 |
-| PO9 | 1 | nnnn | 0 | 1 | DWd | SVP64:EXT232-263 |
-| PO9 | 0 | 0000 | 1 | x | xxxx| `RESERVED1` (32-bit) |
-| PO9 | 0 | !zero | 1 | n | DWd | SVP64Single:EXT000-063 or `RESERVED4` |
-| PO9 | 1 | nnnn | 1 | n | DWd | SVP64:EXT000-063 |
+| 0-5 | 6-29 | 30-31| 32 |33-63|Description |
+|-----|-------|------|----|-----|---------------------------------|
+| PO9 | xxxx | x 0 | 0 | xxxx| `RESERVED2` (57-bit) |
+| PO9 | !zero | 0 0 | 1 | DWd | SVP64Single:EXT232-263, or `RESERVED3` |
+| PO9 | 0000 | 0 0 | 1 | DWd | Scalar EXT232-263 |
+| PO9 | nnnn | 1 0 | 1 | DWd | SVP64:EXT232-263 |
+| PO9 | 0000 | 0 1 | x | xxxx| `RESERVED1` (32-bit) |
+| PO9 | !zero | 0 1 | n | DWd | SVP64Single:EXT000-063 |
+| PO9 | nnnn | 1 1 | n | DWd | SVP64:EXT000-063 |