[llvm] [Exegesis][RISCV] Add RISCV support for llvm-exegesis (PR #89047)

[via llvm-commits]

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@@ -103,7 +103,7 @@ bool ExegesisRISCVTarget::checkOpcodeSupported(
   FeatureBitset RequiredFeatures = RISCV_MC::computeRequiredFeatures(Opcode);
   FeatureBitset MissingFeatures =
       (AvailableFeatures & RequiredFeatures) ^ RequiredFeatures;
-  return MissingFeatures.none();
+  return !(MissingFeatures.none());
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AnastasiyaChernikova wrote:

Addressed

https://github.com/llvm/llvm-project/pull/89047