[理工] [計組] 97中央資工
題目:http://ppt.cc/4E-X
解:
add $1,$2,$3 F D X M W
sub $2,$3,$1 F D X M W
lw $1,0($2) F D X M W
or $3,$2,$1 F D D X M W
beq $2,$3,Loop F F D D D X M W
NOP (flush addi) F F F D X M W
add $1,$2,$3 F D X M W
問題:
(1)請問綠色地方為什麼要stall兩個clocks?
(2)題目說branch taken(倒數第二行) , 那為什麼還要flush addi? 謝謝
感謝各位耐心看完題目及問題 , 謝謝 .
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