RESOLVED FIXED222813
[JSC] ARM64 branchAtomicWeakCAS should not use sign-extension 
https://bugs.webkit.org/show_bug.cgi?id=222813
Summary [JSC] ARM64 branchAtomicWeakCAS should not use sign-extension
Ryan Haddad
Reported 2021-03-05 12:08:11 PST
Seeing these failures on the (new) Big Sur Apple Silicon JSC queues ** The following JSC stress test failures have been introduced: stress/atomic-store-result-type-in-ai.js.default stress/atomics-store-result-int52.js.bytecode-cache stress/atomics-store-result-int52.js.dfg-eager stress/atomics-store-result-int52.js.dfg-eager-no-cjit-validate stress/atomics-store-result-int52.js.eager-jettison-no-cjit stress/atomics-store-result-int52.js.ftl-eager stress/atomics-store-result-int52.js.ftl-no-cjit-b3o0 stress/atomics-store-result-int52.js.ftl-no-cjit-no-inline-validate stress/atomics-store-result-int52.js.ftl-no-cjit-no-put-stack-validate stress/atomics-store-result-int52.js.ftl-no-cjit-small-pool stress/atomics-store-result-int52.js.ftl-no-cjit-validate-sampling-profiler stress/atomics-store-result-int52.js.no-cjit-collect-continuously stress/atomics-store-result-int52.js.no-cjit-validate-phases stress/atomics-store-result-int52.js.no-ftl stress/atomics-store-result.js.bytecode-cache stress/atomics-store-result.js.dfg-eager stress/atomics-store-result.js.dfg-eager-no-cjit-validate stress/atomics-store-result.js.eager-jettison-no-cjit stress/atomics-store-result.js.ftl-eager stress/atomics-store-result.js.ftl-no-cjit-b3o0 stress/atomics-store-result.js.ftl-no-cjit-no-inline-validate stress/atomics-store-result.js.ftl-no-cjit-no-put-stack-validate stress/atomics-store-result.js.ftl-no-cjit-small-pool stress/atomics-store-result.js.ftl-no-cjit-validate-sampling-profiler stress/atomics-store-result.js.mini-mode stress/atomics-store-result.js.no-cjit-collect-continuously stress/atomics-store-result.js.no-cjit-validate-phases https://build.webkit.org/#/builders/102/builds/14/steps/9/logs/stdio
Attachments
Patch (5.29 KB, patch)
2021-03-14 00:18 PST, Yusuke Suzuki 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Ryan Haddad
Comment 1 2021-03-05 12:08:33 PST
rdar://74288466
Yusuke Suzuki
Comment 2 2021-03-14 00:18:34 PST
Created attachment 423118 [details] Patch
Mark Lam
Comment 3 2021-03-14 08:43:51 PDT
Comment on attachment 423118 [details] Patch r=me
EWS
Comment 4 2021-03-14 13:22:28 PDT
Committed r274401: <https://commits.webkit.org/r274401> All reviewed patches have been landed. Closing bug and clearing flags on attachment 423118 [details].
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