翻译C到MIPS与三元运算符 [英] Translating C to MIPS with a ternary operator

问题描述

在我的课堂上，我们要翻译C到MIPS。

In my class we are translating C to MIPS.

我们被要求翻译这个片段：
A = A？ B：C [0]

We are asked to translate this snippet: A = A ? B : C[0]

我相信我理解的三元运算符，但这里是什么想？如果不是A是一个布尔？在MIPS psented用1或0值，以便将它重新$ P $？

I believe I understand the ternary operator, but what is wanted here? Shouldn't A be a boolean? So would it be represented in MIPS with a 1 or 0 value?

感谢您

推荐答案

这可能有助于第一翻译三元前pression假性code，例如：

It might help to translate the ternary expression to pseudo code first, e.g.:

if A != 0       // if A is non-zero, i.e. TRUE
    A = B
else            // otherwise A is zero, i.e. FALSE
    A = C[0]

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