Optimize mod power 2 for x86

Test: 411-checker-hdiv-hrem-pow2, test.py --host

Change-Id: I9334a3eb2cb50df439b56c0161379fef46e58603
Signed-off-by: Shalini Salomi Bodapati <shalini.salomi.bodapati@intel.com>
diff --git a/compiler/optimizing/code_generator_x86_64.h b/compiler/optimizing/code_generator_x86_64.h
index 1e71397..25e5aa4 100644
--- a/compiler/optimizing/code_generator_x86_64.h
+++ b/compiler/optimizing/code_generator_x86_64.h
@@ -213,6 +213,7 @@
   void GenerateRemFP(HRem* rem);
   void DivRemOneOrMinusOne(HBinaryOperation* instruction);
   void DivByPowerOfTwo(HDiv* instruction);
+  void RemByPowerOfTwo(HRem* instruction);
   void GenerateDivRemWithAnyConstant(HBinaryOperation* instruction);
   void GenerateDivRemIntegral(HBinaryOperation* instruction);
   void HandleCondition(HCondition* condition);