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@@ -1,10 +1,7 @@
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-[![AppVeyor][appveyor]](https://ci.appveyor.com/project/japaric/rustc-builtins)
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-[![Travis][travis]](https://travis-ci.org/japaric/rustc-builtins)
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+# `compiler-builtins`
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-[appveyor]: https://ci.appveyor.com/api/projects/status/mofi55r3px9pv3o7?svg=true
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-[travis]: https://travis-ci.org/japaric/rustc-builtins.svg?branch=master
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-
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-# `rustc-builtins`
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+[](https://ci.appveyor.com/project/rust-lang-libs/compiler-builtins)
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+[](https://travis-ci.org/rust-lang-nursery/compiler-builtins)
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> [WIP] Porting `compiler-rt` intrinsics to Rust
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@@ -23,15 +20,26 @@ this crate ends up, as long as it's there):
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``` toml
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[dependencies]
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-rustc-builtins = { git = "https://github.com/japaric/rustc-builtins" }
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+compiler-builtins = { git = "https://github.com/rustc-lang-nursery/compiler-builtins" }
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```
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-If you still get an "undefined reference to $INTRINSIC" error after that change, that means that we
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-haven't ported `$INTRINSIC` to Rust yet! Please open [an issue] with the name of the intrinsic and
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-the LLVM triple (e.g. thumbv7m-none-eabi) of the target you are using. That way we can prioritize
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+If you still get an "undefined reference to $INTRINSIC" error after that change,
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+that means that we haven't ported `$INTRINSIC` to Rust yet! Please open [an
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+issue] with the name of the intrinsic and the LLVM triple (e.g.
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+thumbv7m-none-eabi) of the target you are using. That way we can prioritize
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porting that particular intrinsic.
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-[an issue]: https://github.com/japaric/rustc-builtins/issues
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+If you've got a C compiler available for your target then while we implement
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+this intrinsic you can temporarily enable a fallback to the actual compiler-rt
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+implementation as well for unimplemented intrinsics:
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+
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+```toml
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+[dependencies.compiler-builtins]
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+git = "https://github.com/rustc-lang-nursery/compiler-builtins"
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+features = ["c"]
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+```
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+
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+[an issue]: https://github.com/rust-lang-nursery/compiler-builtins/issues
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## Contributing
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@@ -45,7 +53,7 @@ porting that particular intrinsic.
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[1]: https://github.com/rust-lang/compiler-rt/tree/8598065bd965d9713bfafb6c1e766d63a7b17b89/test/builtins/Unit
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[2]: https://github.com/rust-lang/compiler-rt/tree/8598065bd965d9713bfafb6c1e766d63a7b17b89/lib/builtins
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-[3]: https://travis-ci.org/japaric/rustc-builtins
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+[3]: https://travis-ci.org/rust-lang-nursery/compiler-builtins
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### Porting Reminders
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bors