diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 44efc65..e01d476 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -145,6 +145,13 @@
   EmitLabel(lbl, dst.length_ + 5);
 }
 
+void X86Assembler::movntl(const Address& dst, Register src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0xC3);
+  EmitOperand(src, dst);
+}
+
 void X86Assembler::bswapl(Register dst) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);