MIPS32: Improve integer division by constants

Change-Id: I2d1e84e84bdf8d3007cde7c51611ec893a0e9527
diff --git a/compiler/optimizing/code_generator_mips.h b/compiler/optimizing/code_generator_mips.h
index e3a2cb4..caf3174 100644
--- a/compiler/optimizing/code_generator_mips.h
+++ b/compiler/optimizing/code_generator_mips.h
@@ -229,6 +229,10 @@
                              size_t condition_input_index,
                              MipsLabel* true_target,
                              MipsLabel* false_target);
+  void DivRemOneOrMinusOne(HBinaryOperation* instruction);
+  void DivRemByPowerOfTwo(HBinaryOperation* instruction);
+  void GenerateDivRemWithAnyConstant(HBinaryOperation* instruction);
+  void GenerateDivRemIntegral(HBinaryOperation* instruction);
   void HandleGoto(HInstruction* got, HBasicBlock* successor);
 
   MipsAssembler* const assembler_;