-| 19 | RT | RA | SVi // | vs ms | XO[0:4] |Rc| setvl |
+|OPCD| RT | RA | SVi // | vs ms | XO[0:4] |Rc| setvl |
Note that the immediate (`SVi`) spans 7 bits (16 to 22), and that bit 22 and 23 is reserved and must be zero. Setting bit 22 or 23 causes an illegal exception.