li8     (r1, 0x10);
li16    (r2, 0x1010);
li32    (r3, 0x10101010);
li64    (r4, 0x1010101010101010);

add8    (r1, r1, r1);
add16   (r1, r1, r2);
add32   (r1, r1, r3);
add64   (r1, r1, r4);

addi8   (r1, r1, 0x10);
addi16  (r1, r1, 0x1010);
addi32  (r1, r1, 0x10101010);
addi64  (r1, r1, 0x1010101010101010);

tx();