这样做的主要目的是支持有意义的代码重用：每个路径成分委派给一个相关的代码处理器。

The goal here is largely to enable meaningful code reuse: Each path component causes dispatch to a relevant code handler.

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代码选择在编译器的代码产生阶段是一个十分重要的任务，它的目标就是在与机器无关的中间表示代码和与处理器相关的机器指令之间寻找一种高效的映射方法。

Code selection is an important task in code generation, where the goal is to find an efficient mapping of machine-independent intermediate code to processor-specific machine instructions.

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中断处理核心的中断处理代码总是与微处理器结构相关。

Interrupt HandlingThe kernel's interrupt handling code is almost all microprocessor (and often platform) specific.

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