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bjorn3 8181149de2 Replace infinite loop in mini_core::panic with intrinsic::abort
2018-09-02 15:22:25 +02:00
examples Replace infinite loop in mini_core::panic with intrinsic::abort 2018-09-02 15:22:25 +02:00
src Perform some optimizations 2018-09-02 13:36:45 +02:00
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.travis.yml Add RUST_BACKTRACE=1 to .travis.yml 2018-07-19 18:58:30 +02:00
0001-Disable-stdsimd-in-libcore.patch Better libcore building instructions and rustup 2018-07-19 18:41:37 +02:00
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 Update patch 0004 to latest libcore 2018-08-30 20:48:42 +02:00
0005-Disable-some-more-unsupported-stuff-in-libcore.patch [PATCH] Disable some more unsupported stuff in libcore 2018-08-23 11:16:34 +02:00
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Cargo.lock Craneliftup 2018-08-15 12:36:13 +02:00
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prepare_libcore.sh Better libcore building instructions and rustup 2018-07-19 18:41:37 +02:00
Readme.md Workaround missing encoding for icmp.i8 2018-08-14 11:58:39 +02:00
rust-toolchain Initial commit 2018-06-17 18:05:11 +02:00

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.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