ART: Generate chained compare-and-branch for short switches

Refactor Mir2Lir to generate chained compare-and-branch sequences
for short switches on all architectures.

Change-Id: Ie2a572ae69d462ba68a119e9fb93ae538cddd08f
diff --git a/compiler/dex/quick/arm/codegen_arm.h b/compiler/dex/quick/arm/codegen_arm.h
index 21322a6..072acbe 100644
--- a/compiler/dex/quick/arm/codegen_arm.h
+++ b/compiler/dex/quick/arm/codegen_arm.h
@@ -130,8 +130,8 @@
                                        int first_bit, int second_bit);
     void GenNegDouble(RegLocation rl_dest, RegLocation rl_src);
     void GenNegFloat(RegLocation rl_dest, RegLocation rl_src);
-    void GenPackedSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
-    void GenSparseSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
+    void GenLargePackedSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
+    void GenLargeSparseSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src);
 
     // Required for target - single operation generators.
     LIR* OpUnconditionalBranch(LIR* target);