diff --git a/compiler/optimizing/builder.h b/compiler/optimizing/builder.h
index ae452f2..7f87df6 100644
--- a/compiler/optimizing/builder.h
+++ b/compiler/optimizing/builder.h
@@ -90,6 +90,9 @@
 
   static constexpr const char* kBuilderPassName = "builder";
 
+  // The number of entries in a packed switch before we use a jump table.
+  static constexpr uint16_t kSmallSwitchThreshold = 5;
+
  private:
   // Analyzes the dex instruction and adds HInstruction to the graph
   // to execute that instruction. Returns whether the instruction can
@@ -239,6 +242,12 @@
   // Builds an instruction sequence for a packed switch statement.
   void BuildPackedSwitch(const Instruction& instruction, uint32_t dex_pc);
 
+  // Build a switch instruction from a packed switch statement.
+  void BuildSwitchJumpTable(const SwitchTable& table,
+                            const Instruction& instruction,
+                            HInstruction* value,
+                            uint32_t dex_pc);
+
   // Builds an instruction sequence for a sparse switch statement.
   void BuildSparseSwitch(const Instruction& instruction, uint32_t dex_pc);