XLEN-1

vill

Illegal value if set

XLEN-2:10

Reserved (write 0)

9:8

vediv[1:0]

Used by EDIV extension

7

vma

Mask agnostic

6

vta

Tail agnostic

5:3

vsew[2:0]

Selected element width (SEW) setting

2:0

vlmul[2:0]

Vector register group multiplier (LMUL) setting