• Patrick Thier's avatar
    Reland "Reland "[sparkplug][deoptimizer] Deoptimize to baseline."" · e438ae2d
    Patrick Thier authored
    This is a reland of e3ccb538
    
    No changes for the reland.
    This CL was speculatively reverted, but was not the cause of the problem.
    
    TBR=jgruber@chromium.org
    
    Original change's description:
    > Reland "[sparkplug][deoptimizer] Deoptimize to baseline."
    >
    > This is a reland of bdcd7d79
    >
    > Handle lazy deopts when the current bytecode is JumpLoop.
    > Instead of advancing to the next bytecode, re-execute the JumpLoop.
    >
    > TBR=jgruber@chromium.org, neis@chromium.org
    >
    > Original change's description:
    > > [sparkplug][deoptimizer] Deoptimize to baseline.
    > >
    > > If we have baseline code, deoptimize to baseline instead of the
    > > interpreter. The process is similar to deopting to the interpreter.
    > > We just use different builtins
    > > (BaselineEnterAtBytecode/BaselineEnterAtNextBytecode) instead of
    > > InterpreterEnterBytecodeDispatch/InterpreterEnterBytecodeAdvance, that
    > > patch an interpreter frame to a baseline frame and continue execution in
    > > baseline code (based on the deopt type, at the current or next
    > > bytecode).
    > >
    > > Bug: v8:11420
    > > Change-Id: Iabaefb36c05155a435c7b380906a86d9b9d549fa
    > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2695591
    > > Commit-Queue: Patrick Thier <pthier@chromium.org>
    > > Reviewed-by: Leszek Swirski <leszeks@chromium.org>
    > > Reviewed-by: Georg Neis <neis@chromium.org>
    > > Reviewed-by: Jakob Gruber <jgruber@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#73609}
    >
    > Bug: v8:11420
    > Change-Id: Ib8cac028121188ddc23ff29377760ed684eb7392
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2783035
    > Reviewed-by: Patrick Thier <pthier@chromium.org>
    > Reviewed-by: Leszek Swirski <leszeks@chromium.org>
    > Commit-Queue: Patrick Thier <pthier@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#73636}
    
    Bug: v8:11420
    Change-Id: I7fbbb73a4fdaeab8b294862ee6ae952928c57994
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2784695
    Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
    Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
    Auto-Submit: Patrick Thier <pthier@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#73656}
    e438ae2d
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