================
@@ -762,6 +773,14 @@ def HasStdExtZvkg : 
Predicate<"Subtarget->hasStdExtZvkg()">,
                     AssemblerPredicate<(all_of FeatureStdExtZvkg),
                         "'Zvkg' (Vector GCM instructions for Cryptography)">;
 
+def FeatureStdExtZvkgs
+    : RISCVExperimentalExtension<"zvkgs", 0, 7,
+                                 "'Zvkgs' (Vector-Scalar GCM instructions for 
Cryptography)",
+                                 [FeatureStdExtZvkg]>;
----------------
michaelmaitland wrote:

>From the Zvkgs speck:

> Zvkgs depends on Zvkg

Does this part of the spec mean that Zvkg must be present too, or does it mean 
that if Zvkgs is present, then Zvkg is implied?

https://github.com/llvm/llvm-project/pull/103709
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