[x64] Implement vmovd and vmovq AVX instructions.

src/x64/assembler-x64.h

Index: src/x64/assembler-x64.h
diff --git a/src/x64/assembler-x64.h b/src/x64/assembler-x64.h
index 3ef08918300910aee4fad647ce245aaa949a9a5a..56be6cc4a57e311e8a7ca61f14b9e04117f6b3c1 100644
--- a/src/x64/assembler-x64.h
+++ b/src/x64/assembler-x64.h
@@ -1269,6 +1269,13 @@ class Assembler : public AssemblerBase {
   void vfmass(byte op, XMMRegister dst, XMMRegister src1, XMMRegister src2);
   void vfmass(byte op, XMMRegister dst, XMMRegister src1, const Operand& src2);
 
+  void vmovd(XMMRegister dst, Register src);
+  void vmovd(XMMRegister dst, const Operand& src);
+  void vmovd(Register dst, XMMRegister src);
+  void vmovq(XMMRegister dst, Register src);
+  void vmovq(XMMRegister dst, const Operand& src);
+  void vmovq(Register dst, XMMRegister src);
+
   void vmovapd(XMMRegister dst, XMMRegister src);
   void vmovsd(XMMRegister dst, const Operand& src) {
     vsd(0x10, dst, xmm0, src);