[clang] [llvm] [AArch64] Introduce new armv9.6 features (PR #111677)

[via llvm-commits]

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@@ -833,8 +866,8 @@ def HasV9_5aOps : Architecture64<9, 5, "a", "v9.5a",
   [HasV9_4aOps, FeatureCPA],
   !listconcat(HasV9_4aOps.DefaultExts, [FeatureCPA,  FeatureLUT, FeatureFAMINMAX])>;
 def HasV9_6aOps : Architecture64<9, 6, "a", "v9.6a",
-  [HasV9_5aOps],
-  !listconcat(HasV9_5aOps.DefaultExts, [])>;
+  [HasV9_5aOps, FeatureCMPBR, FeatureFPRCVT, FeatureSVE2p2],
+  !listconcat(HasV9_5aOps.DefaultExts, [FeatureCMPBR, FeatureFPRCVT, FeatureSVE2p2])>;
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SpencerAbson wrote:

(Actually this is a logical consequence of our default Armv9 configuration having SVE2).

https://github.com/llvm/llvm-project/pull/111677