--- old/src/cpu/x86/vm/macroAssembler_x86.cpp	2017-06-07 10:41:23.159291600 -0700
+++ new/src/cpu/x86/vm/macroAssembler_x86.cpp	2017-06-07 10:41:22.490917000 -0700
@@ -3163,8 +3163,37 @@
   }
 }
 
+// dst = c = a * b + c
+void MacroAssembler::vfmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len) {
+  Assembler::vfmadd231pd(c, a, b, vector_len);
+  if (dst != c) {
+    vmovdqu(dst, c);
+  }
+}
 
+// dst = c = a * b + c
+void MacroAssembler::vfmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len) {
+  Assembler::vfmadd231ps(c, a, b, vector_len);
+  if (dst != c) {
+    vmovdqu(dst, c);
+  }
+}
 
+// dst = c = a * b + c
+void MacroAssembler::vfmad(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len) {
+  Assembler::vfmadd231pd(c, a, b, vector_len);
+  if (dst != c) {
+    vmovdqu(dst, c);
+  }
+}
+
+// dst = c = a * b + c
+void MacroAssembler::vfmaf(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len) {
+  Assembler::vfmadd231ps(c, a, b, vector_len);
+  if (dst != c) {
+    vmovdqu(dst, c);
+  }
+}
 
 void MacroAssembler::incrementl(AddressLiteral dst) {
   if (reachable(dst)) {