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Rollup merge of #72438 - vertexclique:vcq/aarch64-tme-features, r=Amanieu

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Enable ARM TME (Transactional Memory Extensions)

Enables ARM TME coming up with LLVM 10. Related ARM TME intrinsics are included by the merge of #67900.

Enables: https://github.com/rust-lang/stdarch/pull/855
This commit is contained in:
Ralf Jung 2020-05-22 08:54:55 +02:00 committed by GitHub
commit 64beaffd6a
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1
src/librustc_codegen_llvm/llvm_util.rs
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@ -170,6 +170,7 @@ const AARCH64_WHITELIST: &[(&str, Option<Symbol>)] = &[
("fp16", Some(sym::aarch64_target_feature)),
("rcpc", Some(sym::aarch64_target_feature)),
("dotprod", Some(sym::aarch64_target_feature)),
("tme", Some(sym::aarch64_target_feature)),
("v8.1a", Some(sym::aarch64_target_feature)),
("v8.2a", Some(sym::aarch64_target_feature)),
("v8.3a", Some(sym::aarch64_target_feature)),

1
src/libstd/tests/run-time-detect.rs
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@ -32,6 +32,7 @@ fn aarch64_linux() {
println!("rdm: {}", is_aarch64_feature_detected!("rdm"));
println!("rcpc: {}", is_aarch64_feature_detected!("rcpc"));
println!("dotprod: {}", is_aarch64_feature_detected!("dotprod"));
println!("tme: {}", is_aarch64_feature_detected!("tme"));
}
#[test]