Implement direct allocation in old data space infrastructure.

src/hydrogen.cc

 // Copyright 2012 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 1060 matching lines @@
 
   HConstant* header_size =
       new(zone) HConstant(FixedArray::kHeaderSize, Representation::Integer32());
   AddInstruction(header_size);
   HValue* total_size = AddInstruction(
                            HAdd::New(zone, context, mul, header_size));
   total_size->ChangeRepresentation(Representation::Integer32());
   total_size->ClearFlag(HValue::kCanOverflow);
 
   HAllocate::Flags flags = HAllocate::CAN_ALLOCATE_IN_NEW_SPACE;
-  // TODO(hpayer): add support for old data space
-  if (FLAG_pretenure_literals && !IsFastDoubleElementsKind(kind)) {
-    flags = static_cast<HAllocate::Flags>(
-        flags | HAllocate::CAN_ALLOCATE_IN_OLD_POINTER_SPACE);
+  if (FLAG_pretenure_literals) {
+    if (IsFastDoubleElementsKind(kind)) {
+      flags = static_cast<HAllocate::Flags>(
+          flags | HAllocate::CAN_ALLOCATE_IN_OLD_DATA_SPACE);
+    } else {
+      flags = static_cast<HAllocate::Flags>(
+          flags | HAllocate::CAN_ALLOCATE_IN_OLD_POINTER_SPACE);
+    }
   }
   if (IsFastDoubleElementsKind(kind)) {
     flags = static_cast<HAllocate::Flags>(
         flags | HAllocate::ALLOCATE_DOUBLE_ALIGNED);
   }
 
   HValue* elements =
       AddInstruction(new(zone) HAllocate(context, total_size,
                                          HType::JSArray(), flags));
 
@@ skipping 9854 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal