[Webkit-unassigned] [Bug 38898] New: Remove unnecessary jump in Yarr JIT's code
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue May 11 05:03:21 PDT 2010
https://bugs.webkit.org/show_bug.cgi?id=38898
Summary: Remove unnecessary jump in Yarr JIT's code
Product: WebKit
Version: 528+ (Nightly build)
Platform: All
OS/Version: All
Status: UNCONFIRMED
Severity: Normal
Priority: P2
Component: JavaScriptCore
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: pvarga at inf.u-szeged.hu
CC: ggaren at apple.com, barraclough at apple.com,
zherczeg at webkit.org
The Yarr JIT generates an unnecessary jump in case of greedy character and
characterclass matching when it checks the count of repetitions.
It should be removed, because it is followed by a direct jump
instead of a branch if the greedy term's quantityCount doesn't have max limit.
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