instruction being executed
* srcstep - for twin-predication, the source element offset as well.
* SUBVL
-* svstep - the subvector element offset of the current
+* substep - the subvector element offset of the current
parallel instruction being executed
* vfirst - Vertical First mode. srcstep, dststep and substep
**do not advance** unless explicitly requested to do so with
| 14:20 | srcstep | for srcstep = 0..VL-1 |
| 21:27 | dststep | for dststep = 0..VL-1 |
| 28:29 | subvl | Sub-vector length |
-| 30:31 | svstep | for svstep = 0..SUBVL-1 |
+| 30:31 | substep | for substep = 0..SUBVL-1 |
| 32:33 | mi0 | REMAP RA SVSHAPE0-3 |
| 34:35 | mi1 | REMAP RB SVSHAPE0-3 |
| 36:37 | mi2 | REMAP RC SVSHAPE0-3 |