================
@@ -269,6 +269,14 @@ void x86::getX86TargetFeatures(const Driver &D, const
llvm::Triple &Triple,
Features.push_back(
Args.MakeArgString((IsNegative ? "-" : "+") + Value));
+
+ // Implicitly add prefer-setzucc feature when ZU feature is enabled.
The
----------------
phoebewang wrote:
I don't think we need `prefer-setzucc` if we always enabled it. Maybe add a
tuning `prefer-setcc` to disable it when necessary?
https://github.com/llvm/llvm-project/pull/173965
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