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Reland of [interpreter] Add explicit OSR polling bytecode. (patchset #1…
… id:1 of https://codereview.chromium.org/2184553003/ ) Reason for revert: Fix has been landed. Original issue's description: > Revert of [interpreter] Add explicit OSR polling bytecode. (patchset #6 id:100001 of https://codereview.chromium.org/2172233002/ ) > > Reason for revert: > Bunch of breakages. Maybe bad interaction with https://chromium.googlesource.com/v8/v8/+/e520e5da5550f0d1a975e87d6e66a2edecbb0c8e ? > > E.g.: > https://build.chromium.org/p/client.v8/builders/V8%20Linux64/builds/11607 > > Original issue's description: > > [interpreter] Add explicit OSR polling bytecode. > > > > This adds an explicit {OsrPoll} bytecode into every loop header which > > triggers on-stack replacement when armed. Note that each such bytecode > > stores the static loop depths as an operand, and hence can be armed for > > specific loop depths. > > > > This also adds builtin code that triggers OSR compilation and switches > > execution over to optimized code in case compilation succeeds. In case > > compilation fails, the bytecode dispatch just continues unhindered. > > > > R=rmcilroy@chromium.org > > TEST=mjsunit/ignition/osr-from-bytecode > > BUG=v8:4764 > > > > Committed: https://crrev.com/a55beb68e0ededb3773affa294a71edc50621458 > > Cr-Commit-Position: refs/heads/master@{#38043} > > TBR=rmcilroy@chromium.org,mstarzinger@chromium.org > # Skipping CQ checks because original CL landed less than 1 days ago. > NOPRESUBMIT=true > NOTREECHECKS=true > NOTRY=true > BUG=v8:4764 > > Committed: https://crrev.com/439aa2c6d708bfd95db725bd6f97c4c49bbc51fc > Cr-Commit-Position: refs/heads/master@{#38044} TBR=rmcilroy@chromium.org,machenbach@chromium.org BUG=v8:4764 Review-Url: https://codereview.chromium.org/2184713002 Cr-Commit-Position: refs/heads/master@{#38056}
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