ARC, ARC ASSEMBLY, ARC SIMULATOR

1. Please add comments for each line.

a. Explain what the program intends to do.

b. Assemble the code by hand.

2. Run the program through the simulator

3. What is the content of %r3 after this program is executed?

! Program 2

.begin

.org 2048

m_start: ld [x], %r1

ld [y], %r2

subcc %r1, %r2, %r0

bneg else

andcc %r1, %r2, %r3

ba done

else: orcc %r1, %r2, %r3

done: st %r3, [a]

jmpl %r15+4, %r0

x: 30

y: 48

a: 0

.end

PART 2: 1. Please add comment for each line. a. Explain what the program intends to do. b. Assemble the code by hand. 2. Run the program through the simulator 3. What is the content of %r3 after this program is executed? ! Program 2 .begin .org m_start: ld subcc bne andcc ba orcc st jmpl 2048 [x], %r1 [y], %r2 %r1, %r2, %ro else %r1, %r2, %r3 done %r1, %r2, %r3 %r3, [a] %r15+4, %ro else: done: XX 30 48 .end