[llvm] [RISCV] Implement Intrinsics and CodeGen Support for XCValu Extension… (PR #78138)

[Craig Topper via llvm-commits]

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@@ -1384,6 +1386,16 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
     }
   }
 
+  if (Subtarget.hasVendorXCValu()) {
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topperc wrote:

Can we pull the simple instructions out to a separate patch that can be easily approved?

https://github.com/llvm/llvm-project/pull/78138