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2 changes: 1 addition & 1 deletion compiler/rustc_target/src/target_features.rs
Original file line number Diff line number Diff line change
Expand Up @@ -316,7 +316,7 @@ const X86_ALLOWED_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
("lahfsahf", Unstable(sym::lahfsahf_target_feature), &[]),
("lzcnt", Stable, &[]),
("movbe", Stable, &[]),
("pclmulqdq", Stable, &[]),
("pclmulqdq", Stable, &["sse2"]),
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Based on looking at other impls, e.g. C#'s version of this https://learn.microsoft.com/en-us/dotnet/api/system.runtime.intrinsics.x86.pclmulqdq.x64?view=net-8.0, the change looks correct to me.

("popcnt", Stable, &[]),
("prfchw", Unstable(sym::prfchw_target_feature), &[]),
("rdrand", Stable, &[]),
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