* `RM-2P-1S1D` Twin Predication (src=1, dest=1)
* `RM-2P-2S1D` Twin Predication (src=2, dest=1) primarily for LDST (Indexed)
* `RM-2P-1S2D` Twin Predication (src=1, dest=2) primarily for LDST Update
-* `RM-2PM-2S1D` Twin Predication (src=2, dest=1) primarily for LDST (Indexed)
-* `RM-2PM-1S2D` Twin Predication (src=1, dest=2) primarily for LDST Update
+* `RM-2PM-2S1D` Twin Predication (src=2, dest=1) for LD/ST Update (Indexed)
The `2PM` designation uses bits 6 and 7 as well as the 9 EXTRA bits
in order to extend two registers to