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！
The PowerPC uses a load/store (also called RISC) instruction set, which means that the only time it accesses main memory is for loading into registers or copying a register to memory.
PowerPC使用了加载/存储（也成为RISC）指令集，这意味着访问主存的惟一时机就是将内存加载到寄存器或将寄存器中的内容复制到内存中时。
Because the Cell's PPE USES the same instruction set as the PowerPC 970 CPU, it does not require changes to the compiler or the binutils.
由于Cell的PPE使用了与PowerPC 970CPU相同的指令集，因此不需要对编译器和binutils进行任何修改。
Each instruction on the PowerPC is exactly 32 bits long, with the instruction's opcode (the code telling the processor which instruction it is) taking the first six bits.
PowerPC上的每条指令都正好是32位长，指令的opcode(操作符，告诉处理器这条指令是什么的代码)占据了前6位。
The PowerPC has 15 different instruction formats, many with several subformats.
PowerPC具有15种不同的指令格式，很多指令格式都有几种子格式。
The PowerPC has 15 different instruction formats, many with several subformats.
PowerPC具有15种不同的指令格式，很多指令格式都有几种子格式。
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