Bug 264041

Summary: countTrailingZeros is redundant and slower than ctz
Product: WebKit Reporter: Seija K. <gfunni234>
Component: Web Template FrameworkAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: Unspecified   
OS: Unspecified   

Seija K.
Reported 2023-11-01 09:46:06 PDT
In addition to being redundant because of ctz existing, the lookup table in itself is slower due to the operations happening to the variable v before retrieving the value. Source: https://godbolt.org/z/Pnd9nPPbo
Attachments
EWS
Comment 1 2023-11-01 13:44:12 PDT
Committed 270076@main (37c77f48561a): <https://commits.webkit.org/270076@main> Reviewed commits have been landed. Closing PR #19840 and removing active labels.
Radar WebKit Bug Importer
Comment 2 2023-11-01 13:45:30 PDT
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