DBC: Remove special case from CheckClassInstr. Cleanup.

runtime/vm/flow_graph_compiler_dbc.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_DBC.
 #if defined(TARGET_ARCH_DBC)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 380 matching lines @@
   if (TryIntrinsify()) {
     // Skip regular code generation.
     return;
   }
 
   EmitFrameEntry();
   VisitBlocks();
 }
 
 
+uint16_t FlowGraphCompiler::ToEmbeddableCid(intptr_t cid,
+                                            Instruction* instruction) {
+  if (!Utils::IsUint(16, cid)) {
+    instruction->Unsupported();
+    UNREACHABLE();
+  }
+  return static_cast<uint16_t>(cid);
+}
+
+
 #undef __
 #define __ compiler_->assembler()->
 
 
 void ParallelMoveResolver::EmitMove(int index) {
   MoveOperands* move = moves_[index];
   const Location source = move->src();
   const Location destination = move->dest();
   if (source.IsStackSlot() && destination.IsRegister()) {
     // Only allow access to the arguments.
     ASSERT(source.base_reg() == FPREG);
     ASSERT(source.stack_index() < 0);
     __ Move(destination.reg(), -kParamEndSlotFromFp + source.stack_index());
   } else if (source.IsRegister() && destination.IsRegister()) {
     __ Move(destination.reg(), source.reg());
   } else if (source.IsConstant() && destination.IsRegister()) {
     __ LoadConstant(destination.reg(), source.constant());
   } else {
     compiler_->Bailout("Unsupported move");
+    UNREACHABLE();
   }
 
   move->Eliminate();
 }
 
 
 void ParallelMoveResolver::EmitSwap(int index) {
   MoveOperands* move = moves_[index];
   const Location source = move->src();
   const Location destination = move->dest();
@@ skipping 76 matching lines @@
 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) {
   UNIMPLEMENTED();
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC