[Webkit-unassigned] [Bug 227563] New: Fix instruction check failure of UBFX and SBFIZ in testb3 due to the speculative fix in bug 227554
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Jun 30 20:32:45 PDT 2021
https://bugs.webkit.org/show_bug.cgi?id=227563
Bug ID: 227563
Summary: Fix instruction check failure of UBFX and SBFIZ in
testb3 due to the speculative fix in bug 227554
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: yijia_huang at apple.com
https://bugs.webkit.org/show_bug.cgi?id=227554 This speculative fix actually disables the pattern matches of UBFX, BFI, and SBFIZ. This patch will fix the instruction check failures in testb3 for those instruction pattern matches on ToT.
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