Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 67c8ea6bd1f03982d2ad7d4a4a621cc81d954072
https://github.com/WebKit/WebKit/commit/67c8ea6bd1f03982d2ad7d4a4a621cc81d954072
Author: Keith Miller <keith_mil...@apple.com>
Date: 2024-08-19 (Mon, 19 Aug 2024)
Changed paths:
A JSTests/stress/atomics-ops-sign-extend-not-bit-mask.js
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
Log Message:
-----------
[JSC] Atomics.and returns incorrect number type in JIT compiler
https://bugs.webkit.org/show_bug.cgi?id=277895
rdar://134115829
Reviewed by Yusuke Suzuki.
FTL was incorrectly masking signed non-canonical width Atomics operations
rather than the unsigned
operations.
* JSTests/stress/atomics-ops-sign-extend-not-bit-mask.js: Added.
(opt16):
(optU16):
(opt8):
(optU8):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileAtomicsReadModifyWrite):
Canonical link: https://commits.webkit.org/282476@main
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