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Add support for emitting functions with coldcc in LLVM

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The eventual goal is to try using this for things like the internal panicking stuff, to see whether it helps.
This commit is contained in:
Scott McMurray 2022-05-29 00:25:14 -07:00
parent 0acc4a3585
commit e90be842fb
12 changed files with 128 additions and 3 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -496,6 +496,8 @@ declare_features! (
(incomplete, repr128, "1.16.0", Some(56071), None),
/// Allows `repr(simd)` and importing the various simd intrinsics.
(active, repr_simd, "1.4.0", Some(27731), None),
/// Allows `extern "rust-cold"`.
(active, rust_cold_cc, "1.63.0", Some(97544), None),
/// Allows the use of SIMD types in functions declared in `extern` blocks.
(active, simd_ffi, "1.0.0", Some(27731), None),
/// Allows specialization of implementations (RFC 1210).