qbe-rs
cproc
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| qbe-rs | cproc | |
|---|---|---|
| 23 | 9 | |
| 45 | 605 | |
| - | - | |
| 4.6 | 4.2 | |
| 5 months ago | 27 days ago | |
| Rust | C | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
qbe-rs
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Made my first LLVM front-end… Now what?
You can try buildling you own backend like llvm. A good example or starting point is probably QBE since it is extremely small but very functional.
- Best book on writing an optimizing compiler (inlining, types, abstract interpretation)?
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Rust port of B3 from WebKit, LLVM-like backend
How big is the whole backend? I've heard that it is small but I wanted to compare it to QBE which is around 8 KLoC and it is quite interesting too.
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Few lesser known tricks, quirks and features of C
I think QBE might be what you're looking for?
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Do you consider LLVM a complicated software? And are there any alternatives and how they compare to LLVM?
As far as I know, there is QBE, which is actually kinda underrated, and Cranelift, mainly designed for JIT compilation
Before that, I had spent a bit of time working with QBE, which is much simpler and really easy to write a frontend for. I switched to libgccjit though, because I got frustrated with a few of the things lacking from QBE (like the ability to easily keep track of where different variables live on the stack). I think for many hobby language projects, QBE would be a good option (my project was off the ground very fast using QBE, and I got pretty far before I ran into limitations I couldn't easily work around).
If one of your parameters is size/complexity of the backend and you prefer something smaller, have a look at qbe and cwerg
The alternatives are generally hidden inside of another compiler. The big exception seems to be qbe (https://c9x.me/compile/) however since the author appears to have written this code without peer review, it's not easy to read it's source code.
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Smallest possible self-hosting zig compiler
So my question is this: if a backend like QBE (~12k Loc) was added to Zig and Zig only had to compile Zig code (no C, etc) for that QBE backend -- about how many LoC would that Zig need to be?
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Building the fastest Lua interpreter.. automatically
GCC is written in C++ these days, so something like QBE(https://c9x.me/compile/) would be needed.
cproc
- List of (open source) C compilers
- Hand-optimizing the TCC code generator
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Minias – A mini x86-64 assembler for fun and learning
A word of warning for those wondering: this is not for Intel syntax, despite referencing the Intel doc.
Minias can assemble itself
...but it's written in C and uses a parser generator? IMHO it feels a bit backwards --- and perhaps even a bit cheating if you're doing this for a "bootstrap pilgrimage" --- to write a lower-level tool in a higher-level language. On the other hand, the same author also links to a C compiler in C, without a parser generator: https://github.com/michaelforney/cproc
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Hacker News top posts: Aug 20, 2021
Cproc C Compiler\ (29 comments)
- Cproc C Compiler
What are some alternatives?
minivm - A VM That is Dynamic and Fast
pl0c - Self-hosting PL/0 to C compiler to teach basic compiler construction from a practical, hands-on perspective.
ubpf - Userspace eBPF VM
mir - A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR
manim - A community-maintained Python framework for creating mathematical animations.
Oberon - Oberon parser, code model & browser, compiler and IDE with debugger
Befunge - lang befunge 93 fast
minias - A mini x86-64 assembler for fun and learning.
Som - Parser, code model, navigable browser and VM for the SOM Smalltalk dialect
GLFW - A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
public-apis - A collective list of free APIs
asmjit - Low-latency machine code generation