diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index e2abcde..07958eb 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -231,6 +231,8 @@
   void movl(const Address& dst, const Immediate& imm);
   void movl(const Address& dst, Label* lbl);
 
+  void movntl(const Address& dst, Register src);
+
   void bswapl(Register dst);
 
   void movzxb(Register dst, ByteRegister src);