TODO: convert all instructions to use RT and not RS
-| 0.5|6.10|11.15|16.20 |21..25 | 26....30 |31| name |
-| -- | -- | --- | --- | ----- | -------- |--| ------ |
-| NN | RT | RA |itype/| im0-4 | im5-7 00 |0 | xpermi |
-| NN | | | | | 00 |1 | rsvd |
-| NN | RT | RA | RB | im0-4 | im5-7 01 |0 | grevlog |
-| NN | RT | RA | RB | im0-4 | im5-7 01 |1 | grevlogw |
-| NN | RT | RA | RB | RC | mode 010 |Rc| bitmask\* |
-| NN | RT | RA | RB | RC | 00 011 |nh| binlut |
-| NN | | | | | 01 011 |0 | svshape |
-| NN | | | | | 01 011 |1 | svremap |
-| NN | | | | | 10 011 |Rc| svstep |
-| NN | | | | | 11 011 |Rc| setvl |
-| NN | | | | | ---- 110 | | 1/2 ops |
-| NN | RT | RA | RB | sh0-4 | sh5 1 111 |Rc| bmrevi |
+| 0.5|6.10|11.15|16.20 |21..25 | 26....30 |31| name | Form |
+| -- | -- | --- | --- | ----- | -------- |--| ------ | -------- |
+| NN | RT | RA |itype/| im0-4 | im5-7 00 |0 | xpermi | |
+| NN | | | | | 00 |1 | rsvd | |
+| NN | RT | RA | RB | im0-4 | im5-7 01 |0 | grevlog | |
+| NN | RT | RA | RB | im0-4 | im5-7 01 |1 | grevlogw | |
+| NN | RT | RA | RB | RC | mode 010 |Rc| bitmask\* | |
+| NN | RT | RA | RB | RC | 00 011 |nh| binlut | |
+| NN | | | | | 01 011 |0 | svshape | |
+| NN | | | | | 01 011 |1 | svremap | |
+| NN | | | | | 10 011 |Rc| svstep | |
+| NN | | | | | 11 011 |Rc| setvl | |
+| NN | | | | | ---- 110 | | 1/2 ops | other table |
+| NN | RT | RA | RB | sh0-4 | sh5 1 111 |Rc| bmrevi | |
ops (note that av avg and abs as well as vec scalar mask
are included here [[sv/vector_ops]], and