Consider deprecating LLVM-specific feature names for -Ctarget-feature flag #85011
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A-LLVM
Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
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nagisa
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A-LLVM
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As of #84991 we support the same values for
-Ctarget-featureas we do for the#[target_feature]attribute. However there is a fallback that passes through any unknown names, which effectively means that LLVM names are also accepted by the flag.I think it makes sense for us to look into deprecating LLVM-specific names, and eventually remove the fallback (or destabilize the fallback behaviour).
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