target:
    c.addi4spn
    c.addi4spn , ,
    c.addi4spn , x2, 4
    c.addi4spn x8, , 4
    c.addi4spn x8, x2,

    c.addi4spn x7, x2, 4
    c.addi4spn x16, x2, 4
    c.addi4spn 4, x2, 4

    c.addi4spn x8, x1, 4
    c.addi4spn x8, 4, 4
    c.addi4spn x8, x3, 4

    c.addi4spn x8, x2, 0
    c.addi4spn x8, x2, 3
    c.addi4spn x8, x2, 4.0
    c.addi4spn x8, x2, 5
    c.addi4spn x8, x2, 1023
    c.addi4spn x8, x2, 1024
    c.addi4spn x8, x2, x9
