--- old/src/hotspot/cpu/ppc/register_ppc.hpp	2018-07-25 23:30:56.612415834 -0500
+++ new/src/hotspot/cpu/ppc/register_ppc.hpp	2018-07-25 23:30:56.436408046 -0500
@@ -463,7 +463,7 @@
 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR31, (31));
 
 #ifndef DONT_USE_REGISTER_DEFINES
-#define vnoreg ((VectorRegister)(vnoreg_VectorRegisterEnumValue))
+#define vnoregi ((VectorRegister)(vnoreg_VectorRegisterEnumValue))
 #define VR0    ((VectorRegister)(   VR0_VectorRegisterEnumValue))
 #define VR1    ((VectorRegister)(   VR1_VectorRegisterEnumValue))
 #define VR2    ((VectorRegister)(   VR2_VectorRegisterEnumValue))
@@ -520,6 +520,9 @@
   bool is_valid() const { return 0 <=  value() &&  value() < number_of_registers; }
 
   const char* name() const;
+
+  // convert to VR
+  VectorRegister to_vr() const;
 };
 
 // The Vector-Scalar (VSX) registers of the POWER architecture.