Title: [101278] trunk/Source/_javascript_Core
- Revision
- 101278
- Author
- msab...@apple.com
- Date
- 2011-11-28 13:42:31 -0800 (Mon, 28 Nov 2011)
Log Message
Change set 101187 from bug 73154 removed already lower case optimization
https://bugs.webkit.org/show_bug.cgi?id=73174
Added back the "string is already lower case" optimization.
Reviewed by Geoffrey Garen.
* runtime/StringPrototype.cpp:
(JSC::stringProtoFuncToLowerCase):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (101277 => 101278)
--- trunk/Source/_javascript_Core/ChangeLog 2011-11-28 21:41:20 UTC (rev 101277)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-11-28 21:42:31 UTC (rev 101278)
@@ -1,3 +1,15 @@
+2011-11-28 Michael Saboff <msab...@apple.com>
+
+ Change set 101187 from bug 73154 removed already lower case optimization
+ https://bugs.webkit.org/show_bug.cgi?id=73174
+
+ Added back the "string is already lower case" optimization.
+
+ Reviewed by Geoffrey Garen.
+
+ * runtime/StringPrototype.cpp:
+ (JSC::stringProtoFuncToLowerCase):
+
2011-11-28 Simon Hausmann <simon.hausm...@nokia.com>
Unreviewed prospective build fix. Touch the file to trigger correct
Modified: trunk/Source/_javascript_Core/runtime/StringPrototype.cpp (101277 => 101278)
--- trunk/Source/_javascript_Core/runtime/StringPrototype.cpp 2011-11-28 21:41:20 UTC (rev 101277)
+++ trunk/Source/_javascript_Core/runtime/StringPrototype.cpp 2011-11-28 21:42:31 UTC (rev 101278)
@@ -1189,7 +1189,11 @@
if (!sSize)
return JSValue::encode(sVal);
- return JSValue::encode(jsString(exec, UString(s.impl()->lower())));
+ StringImpl* ourImpl = s.impl();
+ RefPtr<StringImpl> lower = ourImpl->lower();
+ if (ourImpl == lower.get())
+ return JSValue::encode(sVal);
+ return JSValue::encode(jsString(exec, UString(lower.release())));
}
EncodedJSValue JSC_HOST_CALL stringProtoFuncToUpperCase(ExecState* exec)
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