Rat's Register Allocator(hexrat.cc)
53 points by mpweiher | 3 comments
Blog post describing how the rat compiler backend replaced its linear scan register allocator with a simpler priority bin-packing allocator for x86-64.
#x86-64 on Hacker News
11 stories tagged x86-64, newest first.
Show HN: Rhun, an open-source code editor written in assembly(rhun.app)
28 points by vladcodes | 9 comments
Landing page for rhun, a small, fast open-source code editor written in assembly for Linux, Windows and Apple silicon Macs, with Vim mode and AI agent panels.
UnoDOS(github.com)
15 points by nicoloren | 11 comments
GitHub repository for UnoDOS, a hobby operating system under active development targeting pc64 x86-64/UEFI, with Amiga and Apple II directories.
JSLinux Now Supports x86_64(bellard.org)
361 points by TechTechTech | 116 comments
JSLinux by Fabrice Bellard, a page listing emulated systems (now including x86_64 Alpine Linux) that run Linux, Windows 2000, and FreeDOS in the browser.
Advent of Compiler Optimisations 2025(xania.org)
356 points by vismit2000 | 62 comments
Matt Godbolt announces the Advent of Compiler Optimisations 2025, a daily blog post and video series in December covering C and C++ compiler optimisations.
Let's Learn x86-64 Assembly (2020)(gpfault.net)
384 points by 90s_dev | 97 comments
First part of a blog tutorial series on learning x86-64 assembly, covering environment setup and first steps.
The radix 2^51 trick (2017)(chosenplaintext.ca)
398 points by blobcode | 78 comments
Blog post explaining the radix 2^51 representation trick for faster multi-precision addition and subtraction on modern CPUs by deferring carry propagation.
Writing an OS in Rust(github.com)
383 points by udev4096 | 40 comments
GitHub repository for phil-opp's blog_os, the source code and posts of the "Writing an OS in Rust" tutorial blog series.
A Linux kernel syscall implementation tracker(syscalls.mebeim.net)
377 points by halb | 62 comments
An interactive table of Linux kernel syscalls per architecture and kernel version, listing numbers, symbols, source definition locations, and Kconfig options.
Show HN: I spent 6 months building a C debugger as a 17-year-old(github.com)
335 points by D4ckard | 107 comments
GitHub repository for Spray, a small x86_64 Linux debugger for C programs with a simple CLI interface, built by a 17-year-old student.
Learn x86-64 assembly by writing a GUI from scratch (2020)(gaultier.github.io)
589 points by thunderbong | 133 comments
Tutorial blog post teaching x86-64 assembly by building a minimal X11 GUI window displaying "Hello, world!" from scratch.