reinterpret_cast<Object**>(source->address()),
object_size);
// Update write barrier for all fields that lie beyond the header.
- for (int offset = JSObject::kHeaderSize;
- offset < object_size;
- offset += kPointerSize) {
- RecordWrite(clone_address, offset);
- }
+ RecordWrites(clone_address,
+ JSObject::kHeaderSize,
+ object_size - JSObject::kHeaderSize);
} else {
clone = new_space_.AllocateRaw(object_size);
if (clone->IsFailure()) return clone;
reinterpret_cast<Array*>(result)->set_map(fixed_array_map());
FixedArray* array = FixedArray::cast(result);
array->set_length(length);
- Object* value = undefined_value();
// Initialize body.
- for (int index = 0; index < length; index++) {
- ASSERT(!Heap::InNewSpace(value)); // value = undefined
- array->set(index, value, SKIP_WRITE_BARRIER);
- }
+ ASSERT(!Heap::InNewSpace(undefined_value()));
+ MemsetPointer(array->data_start(), undefined_value(), length);
}
return result;
}
reinterpret_cast<Array*>(result)->set_map(fixed_array_map());
FixedArray* array = FixedArray::cast(result);
array->set_length(length);
- Object* value = undefined_value();
- for (int index = 0; index < length; index++) {
- ASSERT(!Heap::InNewSpace(value)); // value = undefined
- array->set(index, value, SKIP_WRITE_BARRIER);
- }
+ ASSERT(!Heap::InNewSpace(undefined_value()));
+ MemsetPointer(array->data_start(), undefined_value(), length);
return array;
}
array->set_length(length);
// Initialize body.
ASSERT(!Heap::InNewSpace(the_hole_value()));
- MemsetPointer(HeapObject::RawField(array, FixedArray::kHeaderSize),
- the_hole_value(),
- length);
+ MemsetPointer(array->data_start(), the_hole_value(), length);
}
return result;
}