chore: cherry-pick 63166010061d from v8 #27397
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codebytere
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Jan 20, 2021
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[liftoff][arm] Release temp registers after use
The {ParallelRegisterMove} at the end of {AtomicLoad} might need a
temporary scratch register for spilling values to the stack. Make sure
that one is available by giving up the scratch register used for the
address of the atomic access.
R=ahaas@chromium.org
Bug: chromium:1153442
Change-Id: I267c43e2193662c420f96f6683ebd4bbb0e1bca3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2566759
Reviewed-by: Andreas Haas ahaas@chromium.org
Commit-Queue: Clemens Backes clemensb@chromium.org
Cr-Commit-Position: refs/heads/master@{#71564}
Notes: Security: backported fix for chromium:1153442.