[Webkit-unassigned] [Bug 195181] New: cloop.rb shift mask should depend on the word size being shifted.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Feb 28 12:29:41 PST 2019
https://bugs.webkit.org/show_bug.cgi?id=195181
Bug ID: 195181
Summary: cloop.rb shift mask should depend on the word size
being shifted.
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: mark.lam at apple.com
Previously, we're always masking the shift amount with 0x1f. This only works for 32-bit words. For 64-bit words, the mask should be 0x3f. For intptr_t shifts, the mask depends on sizeof(uintptr_t).
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