src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotBackend.java

*** 62,74 ****
  import org.graalvm.compiler.options.OptionKey;
  import org.graalvm.compiler.options.OptionType;
  import org.graalvm.compiler.options.OptionValues;
  import org.graalvm.compiler.phases.tiers.SuitesProvider;
  import org.graalvm.compiler.word.Word;
- import org.graalvm.util.Equivalence;
  import org.graalvm.util.EconomicMap;
  import org.graalvm.util.EconomicSet;
  import org.graalvm.util.MapCursor;
  import org.graalvm.word.Pointer;
  
  import jdk.vm.ci.code.CompilationRequest;
  import jdk.vm.ci.code.CompiledCode;
--- 62,74 ----
  import org.graalvm.compiler.options.OptionKey;
  import org.graalvm.compiler.options.OptionType;
  import org.graalvm.compiler.options.OptionValues;
  import org.graalvm.compiler.phases.tiers.SuitesProvider;
  import org.graalvm.compiler.word.Word;
  import org.graalvm.util.EconomicMap;
  import org.graalvm.util.EconomicSet;
+ import org.graalvm.util.Equivalence;
  import org.graalvm.util.MapCursor;
  import org.graalvm.word.Pointer;
  
  import jdk.vm.ci.code.CompilationRequest;
  import jdk.vm.ci.code.CompiledCode;
*** 256,265 ****
--- 256,277 ----
  
      @NodeIntrinsic(ForeignCallNode.class)
      private static native void sha5ImplCompressStub(@ConstantNodeParameter ForeignCallDescriptor descriptor, Word bufAddr, Object state);
  
      /**
+      * @see org.graalvm.compiler.hotspot.meta.HotSpotUnsafeSubstitutions#copyMemory
+      */
+     public static final ForeignCallDescriptor UNSAFE_ARRAYCOPY = new ForeignCallDescriptor("unsafe_arraycopy", void.class, Word.class, Word.class, Word.class);
+ 
+     public static void unsafeArraycopy(Word srcAddr, Word dstAddr, Word size) {
+         unsafeArraycopyStub(HotSpotBackend.UNSAFE_ARRAYCOPY, srcAddr, dstAddr, size);
+     }
+ 
+     @NodeIntrinsic(ForeignCallNode.class)
+     private static native void unsafeArraycopyStub(@ConstantNodeParameter ForeignCallDescriptor descriptor, Word srcAddr, Word dstAddr, Word size);
+ 
+     /**
       * @see VMErrorNode
       */
      public static final ForeignCallDescriptor VM_ERROR = new ForeignCallDescriptor("vm_error", void.class, Object.class, Object.class, long.class);
  
      /**