To learn how addressing modes work for load and store instructions on PowerPC processors, you must first understand a little bit about the PowerPC instruction format.
为了解寻址模式对于PowerPC处理器上的加载和存储指令是如何工作的，我们必须先要对PowerPC指令格式有点了解。
However, knowing some of the basic ones will help you read PowerPC documentation and understand some of the general strategies and nuances in the PowerPC instruction set.
然而，了解一些指令的基本知识可以帮助您读懂PowerPC文档，并理解PowerPC指令集中的通用策略和一些细微区别。
This is just to point out why instruction format matters on the PowerPC processor -- you need to know how much space you have to work with!
这只是为了说明为什么指令格式在 PowerPC 处理器上是如此重要 —— 您需要知道自己到底需要使用多少空间！
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