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20 Apr 2006 tions generally appear only in handwritten assembly language programs). Therefore, you don't need to learn the entire PowerPC instruction set to study compiler output. Instead, you need only learn the handful of instruc- tions that compilers actually emit on the PowerPC. That's the purpose of this appendix
crD can be omitted. In that case, the assembler assumes cr0. • The L field means “Long" (64-bit compare) if set to “1", or 32-bit compare if set to “0". On 32-bit PowerPC, L should always be set to “0". Because of this, a simplified mnemonic exists for all. “cmp"-series instructions: “cmpw crD, rA, rB" is equivalent to. “cmp crD,0
3 Oct 2006 The POWER5 processor is a 64-bit workhorse used in a variety of settings. Starting with this introduction to assembly language concepts and the PowerPC instruction set, this series of articles introduces assembly language in general and specifically assembly language programming for the POWER5.
Overview. PowerPC Register Set. Operand Conventions. Addressing Modes and Instruction Set Summary. Cache Model and Memory Coherency. Exceptions. Memory Management. Instruction Set. PowerPC Instruction Set Listings. POWER Architecture Cross Reference. Multiple-Precision Shifts. Floating-Point Models.
7 Jan 2009 PowerPC Registers and Addressing Modes. This section describes the conventions used to specify addressing modes and instruction mnemonics for the PowerPC series processor architecture. The instructions themselves are detailed in the next section, PowerPC Assembler Instructions.
Simplified PowerPC Instruction Set. When following the links below, you will be taken to a page describing a (family of) instructions. Note that these descriptions are taken from the 64-bit version of the instruction set; bit numbering are different for some instructions on 32-bit implementations.
The PowerPC has 32 general purpose registers, each either 32 bits or 64 bits in size (depending on which chip you're using). It should be of note that 32-bit PowerPC and 64-bit PowerPC really have the same instruction set, and 32-bit code will run natively unmodified on a 64-bit chip. 32-bit code is 64-bit code. Of course
1 Jul 2002 PowerPC architecture is an example of a RISC (Reduced Instruction Set Computing) architecture. As a result: All PowerPCs (including 64-bit implementations) use fixed-length 32-bit instructions. The PowerPC processing model is to retrieve data from memory, manipulate it in registers, then store it back to
Preface. This document defines the PowerPC User Instruction. Set Architecture. It covers the base instruction set and related facilities available to the application pro- grammer. Other related documents define the PowerPC Virtual. Environment Architecture, the PowerPC Operating. Environment Architecture, and PowerPC
This chapter lists the MPCxxx instruction set in alphabetical order by mnemonic. Note that each entry includes the instruction formats and a quick reference 'legend' that provides such information as the level(s) of the PowerPC architecture in which the instruction may be found—user instruction set architecture (UISA), virtual

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March 2018