Simple non-incremental compaction by evacuation.

src/heap-inl.h

 // Copyright 2011 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 348 matching lines @@
 
 
 void Heap::CopyBlock(Address dst, Address src, int byte_size) {
   ASSERT(IsAligned(byte_size, kPointerSize));
   CopyWords(reinterpret_cast<Object**>(dst),
             reinterpret_cast<Object**>(src),
             byte_size / kPointerSize);
 }
 
 
-void Heap::CopyBlockToOldSpaceAndUpdateWriteBarrier(Address dst,
-                                                    Address src,
-                                                    int byte_size) {
-  ASSERT(IsAligned(byte_size, kPointerSize));
-
-  for (int remaining = byte_size / kPointerSize;
-       remaining > 0;
-       remaining--) {
-    Memory::Object_at(dst) = Memory::Object_at(src);
-
-    if (InNewSpace(Memory::Object_at(dst))) {
-      store_buffer_.Mark(dst);
-    }
-
-    dst += kPointerSize;
-    src += kPointerSize;
-  }
-}
-
-
 void Heap::MoveBlock(Address dst, Address src, int byte_size) {
   ASSERT(IsAligned(byte_size, kPointerSize));
 
   int size_in_words = byte_size / kPointerSize;
 
   if ((dst < src) || (dst >= (src + size_in_words))) {
     ASSERT((dst >= (src + size_in_words)) ||
            ((OffsetFrom(reinterpret_cast<Address>(src)) -
              OffsetFrom(reinterpret_cast<Address>(dst))) >= kPointerSize));
 
@@ skipping 302 matching lines @@
 
 
 Heap* _inline_get_heap_() {
   return HEAP;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_