rust/Readme.md

Work in progress cranelift codegen backend for rust

⚠⚠⚠ This doesn't do anything useful yet ⚠⚠⚠

Building

$ git clone https://github.com/bjorn3/rustc_codegen_cranelift
$ cd rustc_codegen_cranelift
$ git submodule update --init
$ cargo build

Usage

$ rustc -Zcodegen-backend=$(pwd)/target/debug/librustc_codegen_cranelift.so my_crate.rs --crate-type lib -Og

You must compile with -Og, because checked binops are not yet supported.

Not yet supported

• Checked binops

• Statics

• Drop glue

• Ints cast

• Building libraries

• Other call abi's

• Unsized types

• Slice indexing

• Sub slice

• Closures

• Some rvalue's

• Inline assembly

• Custom sections