src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotRegisterConfig.java

*** 191,205 ****
      public boolean areAllAllocatableRegistersCallerSaved() {
          return allAllocatableAreCallerSaved;
      }
  
      @Override
-     public Register getRegisterForRole(int index) {
-         throw new UnsupportedOperationException();
-     }
- 
-     @Override
      public CallingConvention getCallingConvention(Type type, JavaType returnType, JavaType[] parameterTypes, ValueKindFactory<?> valueKindFactory) {
          HotSpotCallingConventionType hotspotType = (HotSpotCallingConventionType) type;
          if (type == HotSpotCallingConventionType.NativeCall) {
              return callingConvention(nativeGeneralParameterRegisters, returnType, parameterTypes, hotspotType, valueKindFactory);
          }
--- 191,200 ----