Refactor Map::ConstructionCount.

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 4609 matching lines @@
 void Map::set_migration_target(bool value) {
   set_bit_field3(IsMigrationTarget::update(bit_field3(), value));
 }
 
 
 bool Map::is_migration_target() {
   return IsMigrationTarget::decode(bit_field3());
 }
 
 
-void Map::set_done_inobject_slack_tracking(bool value) {
-  set_bit_field3(DoneInobjectSlackTracking::update(bit_field3(), value));
+void Map::set_counter(int value) {
+  set_bit_field3(Counter::update(bit_field3(), value));
 }
 
 
-bool Map::done_inobject_slack_tracking() {
-  return DoneInobjectSlackTracking::decode(bit_field3());
-}
-
-
-void Map::set_construction_count(int value) {
-  set_bit_field3(ConstructionCount::update(bit_field3(), value));
-}
-
-
-int Map::construction_count() {
-  return ConstructionCount::decode(bit_field3());
-}
+int Map::counter() { return Counter::decode(bit_field3()); }
 
 
 void Map::freeze() {
   set_bit_field3(IsFrozen::update(bit_field3(), true));
 }
 
 
 bool Map::is_frozen() {
   return IsFrozen::decode(bit_field3());
 }
@@ skipping 1386 matching lines @@
 
 
 bool JSFunction::IsInOptimizationQueue() {
   return code() == GetIsolate()->builtins()->builtin(
       Builtins::kInOptimizationQueue);
 }
 
 
 bool JSFunction::IsInobjectSlackTrackingInProgress() {
   return has_initial_map() &&
-      initial_map()->construction_count() != JSFunction::kNoSlackTracking;
+         initial_map()->counter() >= Map::kSlackTrackingCounterEnd;
 }
 
 
 Code* JSFunction::code() {
   return Code::cast(
       Code::GetObjectFromEntryAddress(FIELD_ADDR(this, kCodeEntryOffset)));
 }
 
 
 void JSFunction::set_code(Code* value) {
@@ skipping 1449 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_