[GR-60374] Mark SHA3.implCompress0 intrinsic GraalOnly on JDK21.

PullRequest: graal/19550

Author: mur47x111

compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/replacements/StandardGraphBuilderPlugins.java

@@ -226,6 +226,7 @@
 import jdk.graal.compiler.replacements.nodes.arithmetic.UnsignedMulHighNode;
 import jdk.graal.compiler.serviceprovider.JavaVersionUtil;
 import jdk.graal.compiler.serviceprovider.SpeculationReasonGroup;
+import jdk.vm.ci.amd64.AMD64;
 import jdk.vm.ci.code.Architecture;
 import jdk.vm.ci.code.BytecodePosition;
 import jdk.vm.ci.code.CodeUtil;
@@ -2615,6 +2616,11 @@ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Rec
                     return true;
                 }
             }
+
+            @Override
+            public boolean isGraalOnly() {
+                return JavaVersionUtil.JAVA_SPEC == 21 && arch instanceof AMD64;
+            }
         });
     }