Changeset 27339 in webkit for trunk/JavaScriptCore/kjs/ExecState.h

Timestamp:

Oct 31, 2007, 10:02:30 PM (18 years ago)

Author:

mjs

Message:

Reviewed by Oliver.

• shave some cycles off of local storage access for a 1% SunSpider speedup

Keep the LocalStorage pointer in the ExecState, not

• kjs/ExecState.cpp: (KJS::ExecState::updateLocalStorage):
• kjs/ExecState.h: (KJS::ExecState::localStorage):
• kjs/nodes.cpp: (KJS::LocalVarAccessNode::evaluate): (KJS::LocalVarFunctionCallNode::evaluate): (KJS::PostIncLocalVarNode::evaluate): (KJS::PostDecLocalVarNode::evaluate): (KJS::LocalVarTypeOfNode::evaluate): (KJS::PreIncLocalVarNode::evaluate): (KJS::PreDecLocalVarNode::evaluate): (KJS::ReadModifyLocalVarNode::evaluate): (KJS::AssignLocalVarNode::evaluate): (KJS::FunctionBodyNode::processDeclarationsForFunctionCode):

File:

• trunk/JavaScriptCore/kjs/ExecState.h (modified) (3 diffs)

trunk/JavaScriptCore/kjs/ExecState.h

@@ -45 +45 @@
     class GlobalFuncImp;
     class FunctionBodyNode;
+    class LocalStorageEntry;
     
     /**
@@ -103 +104 @@
         // important property lookup functions, to avoid taking PIC branches in Mach-O binaries
         const CommonIdentifiers& propertyNames() const { return *m_propertyNames; }
-        
+
+        LocalStorageEntry* localStorage() { return m_localStorageBuffer; }
+        void updateLocalStorage();
+    
     private:
         ExecState(Interpreter* interp, JSGlobalObject* glob, JSObject* thisV,
@@ -124 +128 @@
         const List* m_arguments;
         JSObject* m_activation;
-        
+        LocalStorageEntry* m_localStorageBuffer;
+
         ScopeChain scope;
         JSObject* m_variable;