MIPS: Fix unaligned memory access.

src/deoptimizer.cc

 // Copyright 2013 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/v8.h"
 
 #include "src/accessors.h"
 #include "src/codegen.h"
 #include "src/cpu-profiler.h"
 #include "src/deoptimizer.h"
@@ skipping 2948 matching lines @@
       uint32_t value = GetUInt32Slot(fp, slot_offset);
       if (trace_file != nullptr) {
         PrintF(trace_file, "%u ; (bool) [fp %c %d] ", value,
                slot_offset < 0 ? '-' : '+', std::abs(slot_offset));
       }
       return TranslatedValue::NewBool(this, value);
     }
 
     case Translation::DOUBLE_STACK_SLOT: {
       int slot_offset = SlotOffsetFp(iterator->Next());
-      double value = *(reinterpret_cast<double*>(fp + slot_offset));
+      double value = ReadDoubleValue(fp + slot_offset);
       if (trace_file != nullptr) {
         PrintF(trace_file, "%e ; (double) [fp %c %d] ", value,
                slot_offset < 0 ? '-' : '+', std::abs(slot_offset));
       }
       return TranslatedValue::NewDouble(this, value);
     }
 
     case Translation::LITERAL: {
       int literal_index = iterator->Next();
       Object* value = literal_array->get(literal_index);
@@ skipping 419 matching lines @@
       DCHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8