IA32 and X64 assembler Float64x2 additions

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 04902abe3314dda05ad959c6cc4b9ce9d201e596..346f5b6a1bb1b07a75da38b845a0301faea12ed1 100644
--- a/runtime/vm/assembler_ia32.h
+++ b/runtime/vm/assembler_ia32.h
@@ -446,6 +446,18 @@ class Assembler : public ValueObject {
   void set1ps(XmmRegister dst, Register tmp, const Immediate& imm);
   void shufps(XmmRegister dst, XmmRegister src, const Immediate& mask);
 
+  void addpd(XmmRegister dst, XmmRegister src);
+  void negatepd(XmmRegister dst);
+  void subpd(XmmRegister dst, XmmRegister src);
+  void mulpd(XmmRegister dst, XmmRegister src);
+  void divpd(XmmRegister dst, XmmRegister src);
+  void abspd(XmmRegister dst);
+  void minpd(XmmRegister dst, XmmRegister src);
+  void maxpd(XmmRegister dst, XmmRegister src);
+  void sqrtpd(XmmRegister dst);
+  void cvtps2pd(XmmRegister dst, XmmRegister src);
+  void cvtpd2ps(XmmRegister dst, XmmRegister src);
+
   void cvtsi2ss(XmmRegister dst, Register src);
   void cvtsi2sd(XmmRegister dst, Register src);