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Rollup merge of #126639 - sayantn:amx, r=Amanieu

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Add AMX target-features and `x86_amx_intrinsics` feature flag

This is an effort towards #126622. This adds support for all 5 target-features for `AMX`, and introduces the feature flag `x86_amx_intrinsics`, which would gate these target-features and the yet-to-be-implemented amx intrinsics in stdarch.
This commit is contained in:
Matthias Krüger
2024-07-12 14:37:57 +02:00
committed by GitHub
parent 65ea92d4a1 ec05c4ea3f
commit 18152d72a4
8 changed files with 30 additions and 2 deletions
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2
compiler/rustc_feature/src/unstable.rs
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@@ -640,6 +640,8 @@ declare_features! (
(unstable, unsized_tuple_coercion, "1.20.0", Some(42877)),
/// Allows using the `#[used(linker)]` (or `#[used(compiler)]`) attribute.
(unstable, used_with_arg, "1.60.0", Some(93798)),
/// Allows use of x86 `AMX` target-feature attributes and intrinsics
(unstable, x86_amx_intrinsics, "CURRENT_RUSTC_VERSION", Some(126622)),
/// Allows `do yeet` expressions
(unstable, yeet_expr, "1.62.0", Some(96373)),
// !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!! !!!!