If VLI (Vector Length Inclusive) is clear,
VL is truncated to *exclude* the current element, otherwise it is
included. SVSTATE.MVL is not altered: only VL.
-* **LRu**: Link Register Update, used in conjunction with LK=1.
+* **LRu**: Link Register Update, used in conjunction with LK=1
+ to make LR update conditional
* **VSb** In VLSET Mode, after testing,
if VSb is set, VL is truncated if the test succeeds. If VSb is clear,
VL is truncated if a test *fails*. Masked-out (skipped)