Go to file
2018-08-22 10:54:32 +02:00
examples Codegen entry wrapper (fixes #13) 2018-08-17 13:21:03 +02:00
src Don't hardcode usize being 64 bit (fixes #8) 2018-08-22 10:54:32 +02:00
.gitignore Support emitting object files (fixes #5) 2018-08-14 22:01:18 +02:00
.travis.yml
0001-Disable-stdsimd-in-libcore.patch
0002-Disable-u128-and-i128-in-libcore.patch Rustup to rustc 1.30.0-nightly (d5a448b3f 2018-08-13) and update Cargo.lock 2018-08-14 10:02:28 +02:00
0003-Remove-atomics-from-libcore.patch Simpler patch for "Remove atomics from libcore" 2018-07-30 16:09:09 +02:00
0004-Disable-future-and-task-modules-because-they-contain.patch Remove patch "0004-Disable-float-fmt-because-it-is-big" 2018-08-09 15:33:18 +02:00
build.sh Codegen entry wrapper (fixes #13) 2018-08-17 13:21:03 +02:00
Cargo.lock Craneliftup 2018-08-15 12:36:13 +02:00
Cargo.toml Add comment about how to use local cranelift checkout 2018-08-13 21:39:18 +02:00
copy.clif Fix some bugs 2018-08-08 10:26:25 +02:00
LICENSE-APACHE
LICENSE-MIT
prepare_libcore.sh
Readme.md Workaround missing encoding for icmp.i8 2018-08-14 11:58:39 +02:00
rust-toolchain

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.git
$ cd rustc_codegen_cranelift
$ rustup override set nightly
$ git submodule update --init
$ cargo build

Usage

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

Building libcore

$ rustup component add rust-src
$ ./prepare_libcore.sh
$ ./build.sh

This should stop with error: aborting due to <...> previous errors

Please submit a bug if not

Not yet supported

  • Checked binops

  • Drop glue

  • Building libraries

  • Other call abi's

  • Unsized types

  • Slice indexing

  • Sub slice

  • Some rvalue's

  • Inline assembly

  • Custom sections

Known errors

  • cranelift-module api seems to be used wrong, thus causing panic for some consts
  • cranelift-codegen doesn't have encodings for some instructions for types smaller than I32