diff --git a/compiler/optimizing/code_generator_x86.h b/compiler/optimizing/code_generator_x86.h
index 0aef478..d51b96f 100644
--- a/compiler/optimizing/code_generator_x86.h
+++ b/compiler/optimizing/code_generator_x86.h
@@ -296,6 +296,8 @@
                                    HBasicBlock* switch_block,
                                    HBasicBlock* default_block);
 
+  void GenerateFPCompare(Location lhs, Location rhs, HInstruction* insn, bool is_double);
+
   X86Assembler* const assembler_;
   CodeGeneratorX86* const codegen_;