Add two argument SSE shuffle instructions

runtime/vm/assembler_ia32.h

Index: runtime/vm/assembler_ia32.h
diff --git a/runtime/vm/assembler_ia32.h b/runtime/vm/assembler_ia32.h
index 6702842ba431a94abc6ecc331d6ffba4ce419cff..b9aa1493ede467e67145a0cf18b7786414db4e07 100644
--- a/runtime/vm/assembler_ia32.h
+++ b/runtime/vm/assembler_ia32.h
@@ -428,6 +428,12 @@ class Assembler : public ValueObject {
   void sqrtps(XmmRegister dst);
   void rsqrtps(XmmRegister dst);
   void reciprocalps(XmmRegister dst);
+  void movhlps(XmmRegister dst, XmmRegister src);
+  void movlhps(XmmRegister dst, XmmRegister src);
+  void unpcklps(XmmRegister dst, XmmRegister src);
+  void unpckhps(XmmRegister dst, XmmRegister src);
+  void unpcklpd(XmmRegister dst, XmmRegister src);
+  void unpckhpd(XmmRegister dst, XmmRegister src);
 
   void set1ps(XmmRegister dst, Register tmp, const Immediate& imm);
   void shufps(XmmRegister dst, XmmRegister src, const Immediate& mask);