+-----------+-------------+------------+--------------+------------+----------------------+
| VLtyp[11] | VLtyp[10:6] | VLtyp[5] | VLtyp[4:3] | VLtyp[2:0] | comment |
-+-----------+-------------+---------------------------+------------+----------------------+
++-----------+-------------+------------+--------------+------------+----------------------+
| 0 | 00000 | 0 00 | 000 | no change to VL/MVL |
+-----------+-------------+---------------------------+------------+----------------------+
| 0 | imm | 000 | rs'!=0 | sv.setvl immed mode |