LibJIT is a library that provides generic Just-In-Time compiler functionality independent of any particular bytecode, language, or runtime: https://www.gnu.org

LibJIT is a library that provides generic Just-In-Time compiler functionality independent of any particular bytecode, language, or runtime: https://www.gnu.org/software/libjit/ https://www.gnu.org/software/libjit/ I've used that in the past to speed up a toy interpreter, but of course it is in C, rather than Rust. There is at least one binding for it in rust: https://github.com/MonliH/jit-sys https://github.com/MonliH/jit-sys Finally here's a good introduction with several approaches for JIT: https://eli.thegreenplace.net/tag/code-generation https://eli.thegreenplace.net/tag/code-generation