结合单片机的结构，介绍了几种代码优化的方法，采用OOT技术和用ram构造间接寻址方式，可以省下可观的代码空间。

With structure of microcontroller, introduced ways of code optimization, they are technology of OOT and constructed indirect addressing mode with RAM, save considerable code room.

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相对解析法而言，它是一种间接的系统优化方法。

Comparing with resolution method, it is an indirect system optimization method.

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编译器可以使用间接调用执行优化，如提升循环外虚方法地址的加载。

The compiler can perform optimizations with indirect calls such as hoisting the load of a virtual method address out of a loop.

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