[interpeter] Move to table based peephole optimizer.

src/interpreter/bytecodes.cc

 // Copyright 2015 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/interpreter/bytecodes.h"
 
 #include <iomanip>
 
 #include "src/base/bits.h"
 #include "src/code-stubs.h"
@@ skipping 483 matching lines @@
     case Bytecode::kDebugBreakExtraWide:
     case Bytecode::kWide:
     case Bytecode::kDebugBreakWide:
       return true;
     default:
       return false;
   }
 }
 
 // static
+bool Bytecodes::PutsNameInAccumulator(Bytecode bytecode) {
+  return bytecode == Bytecode::kToName || bytecode == Bytecode::kTypeOf;
+}
+
+// static
 bool Bytecodes::IsJumpOrReturn(Bytecode bytecode) {
   return bytecode == Bytecode::kReturn || IsJump(bytecode);
 }
 
 // static
 bool Bytecodes::IsMaybeRegisterOperandType(OperandType operand_type) {
   return operand_type == OperandType::kMaybeReg;
 }
 
 // static
@@ skipping 426 matching lines @@
   if (!FLAG_always_opt && !FLAG_prepare_always_opt &&
       pretenure == NOT_TENURED && is_function_scope) {
     result |= FastNewClosureBit::encode(true);
   }
   return result;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8