MIPS: Fix unaligned read of bytecodes in interpreter.

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 105 matching lines @@
   for (int i = 0; i < static_cast<int>(N); i++) {
     DCHECK(OperandIsValid(bytecode, i, operands[i]));
     switch (Bytecodes::GetOperandSize(bytecode, i)) {
       case OperandSize::kNone:
         UNREACHABLE();
       case OperandSize::kByte:
         bytecodes()->push_back(static_cast<uint8_t>(operands[i]));
         break;
       case OperandSize::kShort: {
         uint8_t operand_bytes[2];
-        Bytecodes::ShortOperandToBytes(operands[i], operand_bytes);
+        WriteUnalignedUInt16(operand_bytes, operands[i]);
         bytecodes()->insert(bytecodes()->end(), operand_bytes,
                             operand_bytes + 2);
         break;
       }
     }
   }
 }
 
 
 void BytecodeArrayBuilder::Output(Bytecode bytecode, uint32_t operand0,
@@ skipping 1014 matching lines @@
   DCHECK_GT(next_consecutive_count_, 0);
   builder_->BorrowConsecutiveTemporaryRegister(next_consecutive_register_);
   allocated_.push_back(next_consecutive_register_);
   next_consecutive_count_--;
   return Register(next_consecutive_register_++);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8