[理工] 計組-WAW危障
請教一下...WAW只會發生在MIPS和PENTIUM的超管線裡嗎?
有一個一小段程式是
lw $s0,12($$1)
add $s4,$s0,$s2
addi $s2,$s0,4
sw $s4,12($s1)
add $s2,$s3,$s1
我的問題是,I2和I4會有WAW嗎??
我不太清楚,在什麼樣的情況下才會有..
或是有MIPS的例子可以看嗎?
謝謝幫忙
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