Introduce MoveInteger64 instruction into X64 Macro Assembler

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 7e00d6408e2a5b5a8fb00a4b070586b03a79ccca..f5ed14ddbdb836f61ae371a9937bc676f20b27db 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -848,6 +848,9 @@ class MacroAssembler: public Assembler {
   void PopReturnAddressTo(Register dst) { pop(dst); }
   void MoveDouble(Register dst, const Operand& src) { movq(dst, src); }
   void MoveDouble(const Operand& dst, Register src) { movq(dst, src); }
+  // Use Set macro instruction if the value might be in the range of
+  // int32_t or uint32_t.
+  void MoveInteger64(Register dst, int64_t value) { movq(dst, value); }
   void Move(Register dst, ExternalReference ext) {
     movq(dst, reinterpret_cast<Address>(ext.address()),
          RelocInfo::EXTERNAL_REFERENCE);