[Turbofan] Support 128 bit moves/swaps for x64.

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index b88fa855373cd9c3bbf3ae2d2f958d9982e7dcbf..00903c10d18b0a9521eb4d4563cf504a14430172 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -983,9 +983,15 @@ class MacroAssembler: public Assembler {
   void Movq(Register dst, XMMRegister src);
 
   void Movaps(XMMRegister dst, XMMRegister src);
+  void Movups(XMMRegister dst, XMMRegister src);
+  void Movups(XMMRegister dst, const Operand& src);
+  void Movups(const Operand& dst, XMMRegister src);
   void Movapd(XMMRegister dst, XMMRegister src);
   void Movmskpd(Register dst, XMMRegister src);
 
+  void Xorps(XMMRegister dst, XMMRegister src);
+  void Xorps(XMMRegister dst, const Operand& src);
+
   void Roundss(XMMRegister dst, XMMRegister src, RoundingMode mode);
   void Roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode);
   void Sqrtsd(XMMRegister dst, XMMRegister src);