May 2015
Intermediate to advanced
296 pages
5h 10m
English
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Chapter 8. Writing an LLVM Backend
In this chapter, we will cover the following recipes:
- Defining registers and register sets
- Defining the calling convention
- Defining the instruction set
- Implementing frame lowering
- Printing an instruction
- Selecting an instruction
- Adding instruction encoding
- Supporting a subtarget
- Lowering to multiple instructions
- Registering a target
Introduction
The ultimate goal of a compiler is to produce a target code, or an assembly code that can be converted into object code and executed on the actual hardware. To generate the assembly code, the compiler needs to know the various aspects of the architecture of the target machine—the registers, instruction set, calling convention, pipeline, and so on. There are lots of optimizations ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.