Title: [134947] trunk/Source/WebCore
- Revision
- 134947
- Author
- akl...@apple.com
- Date
- 2012-11-16 07:21:40 -0800 (Fri, 16 Nov 2012)
Log Message
Short-circuit Element::hasEquivalentAttributes() if elements share attribute data.
<http://webkit.org/b/102498>
Reviewed by Antti Koivisto.
Add a fast path to hasEquivalentAttributes() that checks if both elements are using
the same ElementAttributeData.
* dom/Element.cpp:
(WebCore::Element::hasEquivalentAttributes):
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (134946 => 134947)
--- trunk/Source/WebCore/ChangeLog 2012-11-16 14:58:37 UTC (rev 134946)
+++ trunk/Source/WebCore/ChangeLog 2012-11-16 15:21:40 UTC (rev 134947)
@@ -1,3 +1,16 @@
+2012-11-16 Andreas Kling <akl...@apple.com>
+
+ Short-circuit Element::hasEquivalentAttributes() if elements share attribute data.
+ <http://webkit.org/b/102498>
+
+ Reviewed by Antti Koivisto.
+
+ Add a fast path to hasEquivalentAttributes() that checks if both elements are using
+ the same ElementAttributeData.
+
+ * dom/Element.cpp:
+ (WebCore::Element::hasEquivalentAttributes):
+
2012-11-16 Zeno Albisser <z...@webkit.org>
[Qt] Adding a null pointer check for currentContext to GraphicsContext3DQt.
Modified: trunk/Source/WebCore/dom/Element.cpp (134946 => 134947)
--- trunk/Source/WebCore/dom/Element.cpp 2012-11-16 14:58:37 UTC (rev 134946)
+++ trunk/Source/WebCore/dom/Element.cpp 2012-11-16 15:21:40 UTC (rev 134947)
@@ -960,6 +960,8 @@
{
const ElementAttributeData* attributeData = updatedAttributeData();
const ElementAttributeData* otherAttributeData = other->updatedAttributeData();
+ if (attributeData == otherAttributeData)
+ return true;
if (attributeData)
return attributeData->isEquivalent(otherAttributeData);
if (otherAttributeData)
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