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Diffstat (limited to 'compiler/rustc_target/src/target_features.rs')
| -rw-r--r-- | compiler/rustc_target/src/target_features.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index 69c8b9119ab..007bfea887c 100644 --- a/compiler/rustc_target/src/target_features.rs +++ b/compiler/rustc_target/src/target_features.rs @@ -102,6 +102,9 @@ impl Stability { // check whether they're named already elsewhere in rust // e.g. in stdarch and whether the given name matches LLVM's // if it doesn't, to_llvm_feature in llvm_util in rustc_codegen_llvm needs to be adapted. +// Additionally, if the feature is not available in older version of LLVM supported by the current +// rust, the same function must be updated to filter out these features to avoid triggering +// warnings. // // Also note that all target features listed here must be purely additive: for target_feature 1.1 to // be sound, we can never allow features like `+soft-float` (on x86) to be controlled on a |