Cache optimized code on shared function info.

src/mark-compact.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 671 matching lines @@
 
     if (IsJSBuiltinsObject(context->global())) {
       return false;
     }
 
     return true;
   }
 
 
   static void VisitSharedFunctionInfoGeneric(Map* map, HeapObject* object) {
-    SharedFunctionInfo* shared = reinterpret_cast<SharedFunctionInfo*>(object);
-
-    if (shared->IsInobjectSlackTrackingInProgress()) shared->DetachInitialMap();
+    reinterpret_cast<SharedFunctionInfo*>(object)->BeforeVisitingPointers();
 
     FixedBodyVisitor<StaticMarkingVisitor,
                      SharedFunctionInfo::BodyDescriptor,
                      void>::Visit(map, object);
   }
 
 
   static void VisitSharedFunctionInfoAndFlushCode(Map* map,
                                                   HeapObject* object) {
     MarkCompactCollector* collector = map->heap()->mark_compact_collector();
     if (!collector->is_code_flushing_enabled()) {
       VisitSharedFunctionInfoGeneric(map, object);
       return;
     }
     VisitSharedFunctionInfoAndFlushCodeGeneric(map, object, false);
   }
 
 
   static void VisitSharedFunctionInfoAndFlushCodeGeneric(
       Map* map, HeapObject* object, bool known_flush_code_candidate) {
     Heap* heap = map->heap();
     SharedFunctionInfo* shared = reinterpret_cast<SharedFunctionInfo*>(object);
 
-    if (shared->IsInobjectSlackTrackingInProgress()) shared->DetachInitialMap();
+    shared->BeforeVisitingPointers();
 
     if (!known_flush_code_candidate) {
       known_flush_code_candidate = IsFlushable(heap, shared);
       if (known_flush_code_candidate) {
         heap->mark_compact_collector()->code_flusher()->AddCandidate(shared);
       }
     }
 
     VisitSharedFunctionInfoFields(heap, object, known_flush_code_candidate);
   }
@@ skipping 104 matching lines @@
   static void VisitSharedFunctionInfoFields(Heap* heap,
                                             HeapObject* object,
                                             bool flush_code_candidate) {
     VisitPointer(heap, SLOT_ADDR(object, SharedFunctionInfo::kNameOffset));
 
     if (!flush_code_candidate) {
       VisitPointer(heap, SLOT_ADDR(object, SharedFunctionInfo::kCodeOffset));
     }
 
     VisitPointers(heap,
-                  SLOT_ADDR(object, SharedFunctionInfo::kScopeInfoOffset),
-                  SLOT_ADDR(object, SharedFunctionInfo::kSize));
+        SLOT_ADDR(object, SharedFunctionInfo::kOptimizedCodeMapOffset),
+        SLOT_ADDR(object, SharedFunctionInfo::kSize));
   }
 
   #undef SLOT_ADDR
 
   typedef void (*Callback)(Map* map, HeapObject* object);
 
   static VisitorDispatchTable<Callback> table_;
 };
 
 
@@ skipping 2228 matching lines @@
 }
 
 
 void MarkCompactCollector::Initialize() {
   StaticPointersToNewGenUpdatingVisitor::Initialize();
   StaticMarkingVisitor::Initialize();
 }
 
 
 } }  // namespace v8::internal