--- old/src/cpu/x86/vm/assembler_x86.hpp	2017-06-07 10:41:19.176699600 -0700
+++ new/src/cpu/x86/vm/assembler_x86.hpp	2017-06-07 10:41:18.549960800 -0700
@@ -1903,6 +1903,11 @@
   void vmulpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
   void vmulps(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
 
+  void vfmadd231pd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
+  void vfmadd231ps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
+  void vfmadd231pd(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
+  void vfmadd231ps(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
+
   // Divide Packed Floating-Point Values
   void divpd(XMMRegister dst, XMMRegister src);
   void divps(XMMRegister dst, XMMRegister src);