Reviewers: danno,
Message:
PTAQL
Description:
Immediately use the generic stub when storing into COW arrays
Please review this at https://chromiumcodereview.appspot.com/9254005/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/ic.cc
Index: src/ic.cc
diff --git a/src/ic.cc b/src/ic.cc
index
9024605da54a6f111f54d180732906a083166807..1026f6d40f8f15d1e189e97addf96ff719153a34
100644
--- a/src/ic.cc
+++ b/src/ic.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -1677,6 +1677,9 @@ MaybeObject* KeyedStoreIC::Store(State state,
if (receiver->elements()->map() ==
isolate()->heap()->non_strict_arguments_elements_map()) {
stub = non_strict_arguments_stub();
+ } else if (receiver->elements()->map() ==
+ isolate()->heap()->fixed_cow_array_map()) {
+ // Do nothing, just keep the generic stub.
} else if (!force_generic) {
if (key->IsSmi() && (target() != *non_strict_arguments_stub())) {
StubKind stub_kind = STORE_NO_TRANSITION;
--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
