[clang] [llvm] [X86] Support branch hint (PR #97721)

[via llvm-commits]

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@@ -1815,12 +1822,12 @@ def : ProcModel<"pantherlake", AlderlakePModel,
 def : ProcModel<"clearwaterforest", AlderlakePModel,
                 ProcessorFeatures.CWFFeatures, ProcessorFeatures.ADLTuning>;
 def : ProcModel<"graniterapids", SapphireRapidsModel,
-                ProcessorFeatures.GNRFeatures, ProcessorFeatures.SPRTuning>;
+                ProcessorFeatures.GNRFeatures, ProcessorFeatures.GNRTuning>;
 def : ProcModel<"emeraldrapids", SapphireRapidsModel,
-                ProcessorFeatures.SPRFeatures, ProcessorFeatures.SPRTuning>;
+                ProcessorFeatures.SPRFeatures, ProcessorFeatures.GNRTuning>;
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MattPD wrote:

Isn't Emerald Rapids based on Raptor Lake microarchitecture (and not Redwood Cove)? If so, wouldn't branch hints be unsupported for this subtarget?


https://github.com/llvm/llvm-project/pull/97721