QUESTION $25$

What it the purpose of the following MIPS code?

loop: addi $$t0,$$$0,1$

$11$$$t1,0($$$s1)$

sc $$t0,0($$$s1)$

beq $t$0,$ $$0,$ loop

add $$s4,$$$0,$$$t1$

Implement a loop for transferring data from registers to memory.

Implement a loop for transferring data from memory to registers.

Implement an atomic swap operation.

Exchange registers $$t0$ and $$1.$