NEGate : Set t1 to negation of t2
.text li t0, 13 # t0=13; neg writes -13 (0xFFFFFFF3) to t2. neg t2, t0 1 2 3 4
.text li t0, 13 # t0=13; neg writes -13 (0xFFFFFFF3) to t2. neg t2, t0
