Show HN: Xcc700: Self-hosting mini C compiler for ESP32 (Xtensa) in 700 lines

Published: 1 week ago (December 26, 2025 at 10:07 AM EST)

1 min read

Source: Hacker News

Source: Hacker News

Project Overview

Repo: https://github.com/valdanylchuk/xcc700

Hi Everyone! I just wrote my first compiler!

single pass, recursive descent, direct emission
generates REL ELF binaries, runnable using ESP-IDF elf_loader
very basic features only, just enough for self‑hosting
treats the Xtensa CPU as a stack mach…

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