[clang] [llvm] [RISCV] Add support for Smepmp 1.0 (PR #78489)

[Jessica Clarke via cfe-commits]

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@@ -722,6 +722,11 @@ def FeatureStdExtSsaia
                        "'Ssaia' (Advanced Interrupt Architecture Supervisor "
                        "Level)", []>;
 
+def FeatureStdExtSmepmp
+    : SubtargetFeature<"smepmp", "HasStdExtSmepmp", "true",
+                       "'Smepmp' (PMP Enhancements for memory access and "
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jrtc27 wrote:

This seems pretty clunky, what's wrong with just "Enhanced PMP" / "Enhanced Physical Memory Protection"? That's what it stands for after all...

https://github.com/llvm/llvm-project/pull/78489