*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Wed Dec 13 08:52:29 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Wed Dec 13 08:52:29 2017

*** 28,39 ****
--- 28,39 ----
  
  import java.util.function.Function;
  
  import org.graalvm.compiler.asm.Label;
  import org.graalvm.compiler.asm.aarch64.AArch64Address.AddressingMode;
  import org.graalvm.compiler.asm.aarch64.AArch64Assembler.PrefetchMode;
  import org.graalvm.compiler.asm.aarch64.AArch64Assembler.ConditionFlag;
+ import org.graalvm.compiler.asm.aarch64.AArch64Assembler.PrefetchMode;
  import org.graalvm.compiler.core.aarch64.AArch64ArithmeticLIRGenerator;
  import org.graalvm.compiler.core.aarch64.AArch64LIRGenerator;
  import org.graalvm.compiler.core.aarch64.AArch64LIRKindTool;
  import org.graalvm.compiler.core.common.CompressEncoding;
  import org.graalvm.compiler.core.common.LIRKind;

*** 200,210 ****
--- 200,210 ----
      public Value emitCompress(Value pointer, CompressEncoding encoding, boolean nonNull) {
          LIRKind inputKind = pointer.getValueKind(LIRKind.class);
          assert inputKind.getPlatformKind() == AArch64Kind.QWORD;
          if (inputKind.isReference(0)) {
              // oop
!             Variable result = newVariable(LIRKind.reference(AArch64Kind.DWORD));
!             Variable result = newVariable(LIRKind.compressedReference(AArch64Kind.DWORD));
              append(new AArch64HotSpotMove.CompressPointer(result, asAllocatable(pointer), getProviders().getRegisters().getHeapBaseRegister().asValue(), encoding, nonNull));
              return result;
          } else {
              // metaspace pointer
              Variable result = newVariable(LIRKind.value(AArch64Kind.DWORD));