add \$so,\$to,\$t1
sub \$t2,\$S0,\$t3
Num of stall cyles i am getting 2 stall but the books says 3
1.No data data forwarding
2.Write to register file in first half and read from second half in clock cycle my timing dig goes like this
add IF ID EX MEM WB
NOP
NOP
IF ID EXE .....