[Interpreter] Add implementations for load immediate bytecodes.

src/interpreter/bytecode-array-builder.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/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 32 matching lines @@
   Output(BytecodeForBinaryOperation(binop), reg.ToOperand());
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadLiteral(
     v8::internal::Smi* smi) {
   int32_t raw_smi = smi->value();
   if (raw_smi == 0) {
     Output(Bytecode::kLdaZero);
-  } else if (raw_smi > -128 && raw_smi <= 128) {
+  } else if (raw_smi >= -128 && raw_smi < 128) {
     Output(Bytecode::kLdaSmi8, static_cast<uint8_t>(raw_smi));
   } else {
     // TODO(oth): Put Smi in constant pool.
     UNIMPLEMENTED();
   }
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::LoadUndefined() {
@@ skipping 149 matching lines @@
 
 Register TemporaryRegisterScope::NewRegister() {
   count_++;
   last_register_index_ = builder_->BorrowTemporaryRegister();
   return Register(last_register_index_);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8