2009-05-18 Maciej Stachowiak <mjs@apple.com>

2009-05-18  Maciej Stachowiak  <mjs@apple.com>

        Reviewed by Geoff Garen.

        - Improve code generation for access to prototype properties

        ~0.4% speedup on SunSpider.

        Based on a suggestion from Geoff Garen.

        * jit/JIT.h:
        * jit/JITPropertyAccess.cpp:
        (JSC::JIT::compileGetDirectOffset):
        (JSC::JIT::privateCompileGetByIdProto):
        (JSC::JIT::privateCompileGetByIdProtoList):
        (JSC::JIT::privateCompileGetByIdChainList):
        (JSC::JIT::privateCompileGetByIdChain):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@43849 268f45cc-cd09-0410-ab3c-d52691b4dbfc