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

*** 54,64 ****
  import jdk.vm.ci.code.Register;
  import jdk.vm.ci.code.RegisterAttributes;
  import jdk.vm.ci.code.RegisterConfig;
  import jdk.vm.ci.code.StackSlot;
  import jdk.vm.ci.code.TargetDescription;
- import jdk.vm.ci.common.JVMCIError;
  import jdk.vm.ci.hotspot.HotSpotCallingConventionType;
  import jdk.vm.ci.hotspot.HotSpotVMConfig;
  import jdk.vm.ci.meta.AllocatableValue;
  import jdk.vm.ci.meta.JavaKind;
  import jdk.vm.ci.meta.JavaType;
--- 54,63 ----
*** 221,231 ****
                  return hotspotType == HotSpotCallingConventionType.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
              case Float:
              case Double:
                  return xmmParameterRegisters;
              default:
!                 throw JVMCIError.shouldNotReachHere();
          }
      }
  
      private CallingConvention callingConvention(Register[] generalParameterRegisters, JavaType returnType, JavaType[] parameterTypes, HotSpotCallingConventionType type, TargetDescription target) {
          AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
--- 220,230 ----
                  return hotspotType == HotSpotCallingConventionType.NativeCall ? nativeGeneralParameterRegisters : javaGeneralParameterRegisters;
              case Float:
              case Double:
                  return xmmParameterRegisters;
              default:
!                 throw new InternalError("should not reach here");
          }
      }
  
      private CallingConvention callingConvention(Register[] generalParameterRegisters, JavaType returnType, JavaType[] parameterTypes, HotSpotCallingConventionType type, TargetDescription target) {
          AllocatableValue[] locations = new AllocatableValue[parameterTypes.length];
*** 256,266 ****
                          Register register = xmmParameterRegisters[currentXMM++];
                          locations[i] = register.asValue(target.getLIRKind(kind));
                      }
                      break;
                  default:
!                     throw JVMCIError.shouldNotReachHere();
              }
  
              if (locations[i] == null) {
                  LIRKind lirKind = target.getLIRKind(kind);
                  locations[i] = StackSlot.get(lirKind, currentStackOffset, !type.out);
--- 255,265 ----
                          Register register = xmmParameterRegisters[currentXMM++];
                          locations[i] = register.asValue(target.getLIRKind(kind));
                      }
                      break;
                  default:
!                     throw new InternalError("should not reach here");
              }
  
              if (locations[i] == null) {
                  LIRKind lirKind = target.getLIRKind(kind);
                  locations[i] = StackSlot.get(lirKind, currentStackOffset, !type.out);