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.
- When LRu=1,LK=0, Link Register is updated unconditionally.
- When LRu=1,LK=1, Link Register will
+ - When LRu=0,LK=1, Link Register is updated unconditionally.
+ - When LRu=1,LK=1, Link Register will
only be updated if the Branch Condition succeeds.
- When LRu=0,LK=1, Link Register will only be updated if
- the Branch Condition fails. This avoids
+ - When LRu=1,LK=0, Link Register will only be updated if
+ the Branch Condition fails.
+ - This avoids
destruction of LR during loops (particularly Vertical-First
ones).
* **VSb** In VLSET Mode, after testing,