What is true about the following code sequence:
addi x18, x0, 1
addi x19, x0, 2
addi x20, x0, 2
addi x21, x0, 4
addi x22, x0, 5
A. Must stall on the addi results
B. Can avoid stalls using only forwarding
C. Can execute without stalling or forwarding
D. None of the above