2008-09-15 Sam Weinig <sam@webkit.org>
Reviewed by Maciej Stachowiak.
Patch for https://bugs.webkit.org/show_bug.cgi?id=20849
Cache property names for getEnumerablePropertyNames in the StructureID.
~0.5% speedup on Sunspider overall (9.7% speedup on string-fasta). ~1% speedup
on the v8 test suite.
* kjs/JSObject.cpp:
(JSC::JSObject::getPropertyNames):
* kjs/PropertyMap.cpp:
(JSC::PropertyMap::getEnumerablePropertyNames):
* kjs/PropertyMap.h:
* kjs/StructureID.cpp:
(JSC::StructureID::StructureID):
(JSC::StructureID::getEnumerablePropertyNames):
* kjs/StructureID.h:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@36429 268f45cc-cd09-0410-ab3c-d52691b4dbfc
6 files changed