Cranelift based backend for rustc
You can try using rustc_codegen_cranelift. It'll eventually be how debug builds are handled once it reaches feature parity and it's faster.
Mold: A Modern Linker 🦠
I would recommend trying the Mold linker. I switched to it about a month ago and compilation speed has more than doubled.
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Rust is now officially supported on some Infineon microcontrollers! (more to come later this year)
1 project | /r/rust | 8 Mar 2023
Replacing LLVM for Rust: Cranelift based back end for rustc
1 project | news.ycombinator.com | 22 Sep 2022
Live++ Developer: Confident A Rust Version Might be Possible
1 project | /r/rust | 3 Dec 2021
Is it possible to compile rust just in time (jit)
2 projects | /r/rust | 1 Sep 2021
Progress report on rustc_codegen_cranelift (July 2021)
1 project | /r/rust | 7 Aug 2021