Optimization: Improve allocation strategy for QDeclarativeDeclarativeData

This improves the declarative/creation/itemtree_qml benchmark by 6%

2 files changed, 7 insertions, 6 deletions

diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index dbc6be2..dfd6a08 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -125,8 +125,10 @@ extern "C" Q_CORE_EXPORT void qt_removeObject(QObject *)
     }
 }
 
+void (*QDeclarativeData::destroyed)(QDeclarativeData *, QObject *) = 0;
+void (*QDeclarativeData::parentChanged)(QDeclarativeData *, QObject *, QObject *) = 0;
+
 QObjectData::~QObjectData() {}
-QDeclarativeData::~QDeclarativeData() {}
 
 QObjectPrivate::QObjectPrivate(int version)
     : threadData(0), connectionLists(0), senders(0), currentSender(0), currentChildBeingDeleted(0)
@@ -876,7 +878,7 @@ QObject::~QObject()
     }
 
     if (d->declarativeData)
-        d->declarativeData->destroyed(this);
+        QDeclarativeData::destroyed(d->declarativeData, this);
 
     {
         QMutex *signalSlotMutex = 0;
@@ -2025,7 +2027,7 @@ void QObjectPrivate::setParent_helper(QObject *o)
         }
     }
     if (!wasDeleted && declarativeData)
-        declarativeData->parentChanged(q, o);
+        QDeclarativeData::parentChanged(declarativeData, q, o);
 }
 
 /*!
diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h
index 3b59abb..e5d904c 100644
--- a/src/corelib/kernel/qobject_p.h
+++ b/src/corelib/kernel/qobject_p.h
@@ -87,9 +87,8 @@ enum { QObjectPrivateVersion = QT_VERSION };
 class Q_CORE_EXPORT QDeclarativeData
 {
 public:
-    virtual ~QDeclarativeData();
-    virtual void destroyed(QObject *) = 0;
-    virtual void parentChanged(QObject *, QObject *) = 0;
+    static void (*destroyed)(QDeclarativeData *, QObject *);
+    static void (*parentChanged)(QDeclarativeData *, QObject *, QObject *);
 };
 
 class Q_CORE_EXPORT QObjectPrivate : public QObjectData