diff --git a/compiler/utils/mips64/assembler_mips64.h b/compiler/utils/mips64/assembler_mips64.h
index d083eb4..ac06521 100644
--- a/compiler/utils/mips64/assembler_mips64.h
+++ b/compiler/utils/mips64/assembler_mips64.h
@@ -230,6 +230,7 @@
   void Cvtdw(FpuRegister fd, FpuRegister fs);
   void Cvtsd(FpuRegister fd, FpuRegister fs);
   void Cvtds(FpuRegister fd, FpuRegister fs);
+  void Cvtsl(FpuRegister fd, FpuRegister fs);
   void Cvtdl(FpuRegister fd, FpuRegister fs);
 
   void Mfc1(GpuRegister rt, FpuRegister fs);