Remove slots that point to unboxed doubles from the StoreBuffer/SlotsBuffer.

src/heap/store-buffer.h

 // Copyright 2011 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.
 
 #ifndef V8_STORE_BUFFER_H_
 #define V8_STORE_BUFFER_H_
 
 #include "src/allocation.h"
 #include "src/base/logging.h"
 #include "src/base/platform/platform.h"
@@ skipping 87 matching lines @@
   bool PrepareForIteration();
 
 #ifdef DEBUG
   void Clean();
   // Slow, for asserts only.
   bool CellIsInStoreBuffer(Address cell);
 #endif
 
   void Filter(int flag);
 
+
+  // Returns number of slots stored in the slots buffer.

[Hannes Payer (out of office), 2015/03/03 09:48:53]

store buffer

[Igor Sheludko, 2015/03/04 14:54:20]

Done.

+  int SizeForTesting();
+
+  // Removes all the slots in [start_address, end_address) range from the store
+  // buffer.
+  void RemoveSlots(Address start_address, Address end_address);
+
  private:
   Heap* heap_;
 
   // The store buffer is divided up into a new buffer that is constantly being
   // filled by mutator activity and an old buffer that is filled with the data
   // from the new buffer after compression.
   Address* start_;
   Address* limit_;
 
   Address* old_start_;
@@ skipping 97 matching lines @@
   }
 
  private:
   StoreBuffer* store_buffer_;
   bool stored_state_;
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_STORE_BUFFER_H_