Review Assignment 2

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
R2 <-- M[R8]	F	D	E	M>>	W
R2 <-- R2 + 1		F	D	X	>>E	M>>	W
M[R8] <-- R2			F	X	D	E	>>M	W
R8 <-- R8 - 3					F	D	E>>	M	W
R1 <-- R4 - R8			line 2 could also forward			F	D	>>E >>	M	W
BNEZ[R1]			from execute stage				F	D	>>r
								F	X	F

			77 loops, 9 cycles per loop
			693 cycles



	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
R2 <-- Mem[R8]	F	D	E	M	W
R8 <-- R8 - 3		F	D	E>>	M	W
R1 <-- R4 - R8			F	D	>>E>>	M	W
R2 <-- R2 + 1				F	D	E	M>>	W
BNEZ[R1]					F	>>D(r)
[M[R8 + 3] <-- R2]						F	D	>>E	M	W
^ branch delay slot							F
			6 cycles per loop
			77 loops
			460 cycles