Bug 180876 - YARR: JIT RegExps with non-greedy parenthesized sub patterns
Summary: YARR: JIT RegExps with non-greedy parenthesized sub patterns
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: Other
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Michael Saboff
URL:
Keywords: InRadar
Depends on:
Blocks: 179230
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Reported: 2017-12-15 11:32 PST by Michael Saboff
Modified: 2018-08-24 11:22 PDT (History)
6 users (show)

See Also:


Attachments
Patch (18.70 KB, patch)
2018-08-23 18:25 PDT, Michael Saboff
fpizlo: review+
Details | Formatted Diff | Diff

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Description Michael Saboff 2017-12-15 11:32:27 PST
We currently do not JIT code for patterns like /(a)*?(b)*?/.  Instead we handle those in the YARR interpreter which is much slower.
Comment 1 Michael Saboff 2017-12-15 11:32:51 PST
<rdar://problem/36077587>
Comment 2 Michael Saboff 2018-08-23 18:25:24 PDT
Created attachment 347983 [details]
Patch
Comment 3 Michael Saboff 2018-08-24 11:22:32 PDT
Committed r235322: <https://trac.webkit.org/changeset/235322>