Reland "Merge cellspace into old pointer space"

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 1878 matching lines @@
 byte Oddball::kind() const {
   return Smi::cast(READ_FIELD(this, kKindOffset))->value();
 }
 
 
 void Oddball::set_kind(byte value) {
   WRITE_FIELD(this, kKindOffset, Smi::FromInt(value));
 }
 
 
-Object* Cell::value() const {
-  return READ_FIELD(this, kValueOffset);
-}
-
-
-void Cell::set_value(Object* val, WriteBarrierMode ignored) {
-  // The write barrier is not used for global property cells.
-  DCHECK(!val->IsPropertyCell() && !val->IsCell());
-  WRITE_FIELD(this, kValueOffset, val);
-}
-
+ACCESSORS(Cell, value, Object, kValueOffset)
 ACCESSORS(PropertyCell, dependent_code, DependentCode, kDependentCodeOffset)
 ACCESSORS(PropertyCell, value, Object, kValueOffset)
 
 Object* WeakCell::value() const { return READ_FIELD(this, kValueOffset); }
 
 
 void WeakCell::clear() {
   DCHECK(GetHeap()->gc_state() == Heap::MARK_COMPACT);
   WRITE_FIELD(this, kValueOffset, Smi::FromInt(0));
 }
@@ skipping 5621 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_