[interpreter] Add basic framework for bytecode handler code generation.

src/compiler/arm/instruction-selector-arm.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 1133 matching lines @@
 
   // Select the appropriate opcode based on the call type.
   InstructionCode opcode;
   switch (descriptor->kind()) {
     case CallDescriptor::kCallAddress:
       opcode =
           kArchCallCFunction |
           MiscField::encode(static_cast<int>(descriptor->CParameterCount()));
       break;
     case CallDescriptor::kCallCodeObject:
+    case CallDescriptor::kInterpreterDispatch:
       opcode = kArchCallCodeObject | MiscField::encode(flags);
       break;
     case CallDescriptor::kCallJSFunction:
       opcode = kArchCallJSFunction | MiscField::encode(flags);
       break;
     default:
       UNREACHABLE();
       return;
   }
 
@@ skipping 468 matching lines @@
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTiesAway;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8