diff --git a/compiler/optimizing/code_generator_mips64.h b/compiler/optimizing/code_generator_mips64.h
index 2a95b37..d479410 100644
--- a/compiler/optimizing/code_generator_mips64.h
+++ b/compiler/optimizing/code_generator_mips64.h
@@ -142,6 +142,7 @@
   void RestoreScratch(int reg) OVERRIDE;
 
   void Exchange(int index1, int index2, bool double_slot);
+  void ExchangeQuadSlots(int index1, int index2);
 
   Mips64Assembler* GetAssembler() const;