[clang] [llvm] [LLVM][MC][AArch64] Assembler support for Armv9.6-A memory systems extensions (PR #112341)

[via cfe-commits]

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@@ -833,8 +841,8 @@ 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, FeatureLSUI, FeatureOCCMO],
+  !listconcat(HasV9_5aOps.DefaultExts, [FeatureLSUI, FeatureOCCMO])>;
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SpencerAbson wrote:

I don't believe `FEAT_PCDPHINT` is a mandatory ArmV9.6 extension.

https://developer.arm.com/documentation/109697/2024_09/Feature-descriptions/The-Armv9-6-architecture-extension

https://github.com/llvm/llvm-project/pull/112341