2008-11-24 Gavin Barraclough <barraclough@apple.com>
authorbarraclough@apple.com <barraclough@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Mon, 24 Nov 2008 10:14:31 +0000 (10:14 +0000)
committerbarraclough@apple.com <barraclough@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Mon, 24 Nov 2008 10:14:31 +0000 (10:14 +0000)
commit1a443bbad473777d5fb979ce01ff7dc1552f5fd8
tree3cf685ae1b7ea50192377d48aff482c60d9c6261
parent5f385aef63e30a186004efd6ed5721c69800c259
2008-11-24  Gavin Barraclough  <barraclough@apple.com>

        Reviewed by Camron Zwarich.

        Implement repatching for get by id chain.
        Previously the access is performed in a function stufb, in the reptach form
        the trampoline is not called to; instead the hot patch is relinkde to jump
        directly to the trampoline, if it fails it will jump to the slow case.

        https://bugs.webkit.org/show_bug.cgi?id=22449
        3% progression on deltablue.

        * jit/JIT.cpp:
        (JSC::JIT::privateCompileGetByIdProto):
        (JSC::JIT::privateCompileGetByIdChain):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@38700 268f45cc-cd09-0410-ab3c-d52691b4dbfc
JavaScriptCore/ChangeLog
JavaScriptCore/jit/JIT.cpp