# Format
-| 0..5 |6..10|11..15|16.20|21.22.23.24..25|26.....30|31| name |
-|------|-----|------|-----|---------------|---------|--|---------|
-| 19 | RT | RA | | XO[0:4] | XO[5:9] |Rc| XL-Form |
-| 19 | RT | RA |imm | imm // vs ms | NNNNN |Rc| setvl |
+| 0.5|6.10|11.15|16.20|21.....24..25|26.....30|31| name |
+|----|----|-----|-----|-------------|---------|--|---------|
+| 19 | RT | RA | | XO[0:4] | XO[5:9] |Rc| XL-Form |
+| 19 | RT | RA |imm | i // vs ms | NNNNN |Rc| setvl |
Note that imm spans 7 bits (16 to 22), and that bit 22 is reserved and must be zero. Setting bit 22 causes an illegal exception.