[clang] [llvm] [RISCV] Add Svrsw60t59b extension (PR #132321)

[Craig Topper via llvm-commits]

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@@ -984,6 +984,10 @@ def FeatureStdExtSvvptc
     : RISCVExtension<1, 0,
                      "Obviating Memory-Management Instructions after Marking PTEs Valid">;
 
+def FeatureStdExtSvrsw60t59b
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topperc wrote:

Put this above FeatureStdExtSvvptc

https://github.com/llvm/llvm-project/pull/132321