Opt compiler: Add arm64 support for a few more IRs.

Change-Id: I781ddcbc61eb2b04ae80b1c7697e1ed5694bd5b9
diff --git a/compiler/optimizing/code_generator_arm64.h b/compiler/optimizing/code_generator_arm64.h
index ad1f221..f2ead21 100644
--- a/compiler/optimizing/code_generator_arm64.h
+++ b/compiler/optimizing/code_generator_arm64.h
@@ -216,8 +216,6 @@
     return InstructionSet::kArm64;
   }
 
-  void MoveHelper(Location destination, Location source, Primitive::Type type);
-
   void Initialize() OVERRIDE {
     HGraph* graph = GetGraph();
     int length = graph->GetBlocks().Size();
@@ -227,6 +225,11 @@
     }
   }
 
+  // Code generation helpers.
+  void MoveHelper(Location destination, Location source, Primitive::Type type);
+  void Load(Primitive::Type type, vixl::Register dst, const vixl::MemOperand& src);
+  void Store(Primitive::Type type, vixl::Register rt, const vixl::MemOperand& dst);
+
  private:
   // Labels for each block that will be compiled.
   vixl::Label* block_labels_;