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/call_arm.cc b/compiler/dex/quick/arm/call_arm.cc
index 5059c5f..b133991 100644
--- a/compiler/dex/quick/arm/call_arm.cc
+++ b/compiler/dex/quick/arm/call_arm.cc
@@ -43,8 +43,7 @@
  *   add   rARM_PC, r_disp   ; This is the branch from which we compute displacement
  *   cbnz  r_idx, lp
  */
-void ArmMir2Lir::GenSparseSwitch(MIR* mir, uint32_t table_offset,
-                                 RegLocation rl_src) {
+void ArmMir2Lir::GenLargeSparseSwitch(MIR* mir, uint32_t table_offset, RegLocation rl_src) {
   const uint16_t* table = cu_->insns + current_dalvik_offset_ + table_offset;
   if (cu_->verbose) {
     DumpSparseSwitchTable(table);
@@ -92,8 +91,7 @@
 }
 
 
-void ArmMir2Lir::GenPackedSwitch(MIR* mir, uint32_t table_offset,
-                                 RegLocation rl_src) {
+void ArmMir2Lir::GenLargePackedSwitch(MIR* mir, uint32_t table_offset, RegLocation rl_src) {
   const uint16_t* table = cu_->insns + current_dalvik_offset_ + table_offset;
   if (cu_->verbose) {
     DumpPackedSwitchTable(table);
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);