Improve performance of allocating closures for nested...

bleeding_edge/src/heap.cc

 // Copyright 2009 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 2215 matching lines @@
       JSObject::cast(prototype)->SetProperty(constructor_symbol(),
                                              function,
                                              DONT_ENUM);
   if (result->IsFailure()) return result;
   return prototype;
 }
 
 
 Object* Heap::AllocateFunction(Map* function_map,
                                SharedFunctionInfo* shared,
-                               Object* prototype) {
-  Object* result = Allocate(function_map, OLD_POINTER_SPACE);
+                               Object* prototype,
+                               PretenureFlag pretenure) {
+  AllocationSpace space =
+      (pretenure == TENURED) ? OLD_POINTER_SPACE : NEW_SPACE;
+  Object* result = Allocate(function_map, space);
   if (result->IsFailure()) return result;
   return InitializeFunction(JSFunction::cast(result), shared, prototype);
 }
 
 
 Object* Heap::AllocateArgumentsObject(Object* callee, int length) {
   // To get fast allocation and map sharing for arguments objects we
   // allocate them based on an arguments boilerplate.
 
   // This calls Copy directly rather than using Heap::AllocateRaw so we
@@ skipping 1824 matching lines @@
 void ExternalStringTable::TearDown() {
   new_space_strings_.Free();
   old_space_strings_.Free();
 }
 
 
 List<Object*> ExternalStringTable::new_space_strings_;
 List<Object*> ExternalStringTable::old_space_strings_;
 
 } }  // namespace v8::internal