• Sathya Gunasekaran's avatar
    Revert "[arm] Make the constant pool check deadline smarter" · 01bbc534
    Sathya Gunasekaran authored
    This reverts commit df4dae77.
    
    Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Arm%20-%20debug/18512/overview
    
    Original change's description:
    > [arm] Make the constant pool check deadline smarter
    >
    > Rather than having periodic constant pool checks that almost always fail
    > (because the constant pool deadline isn't close enough, or even because
    > there's no constant pool to emit at all), set a single deadline on the
    > first constant pool insertion which expires just before the maximum
    > distance to the constant pool. Constant pool checks around unconditional
    > jumps happen irrespective of this deadline.
    >
    > In particular, this is made possible by fixing the incorrect assumption
    > that the constant pool can be emitted out of order. The new assumption
    > (that the emission is in-order) is validated with a CHECK.
    >
    > Bug: v8:11420
    > Change-Id: I061dd0b8c3476ba95ee1acfb3b485d8ba2adda91
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2844665
    > Commit-Queue: Leszek Swirski <leszeks@chromium.org>
    > Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#74141}
    
    Bug: v8:11420
    Change-Id: Ib822425749df33fb22a38d317c107a523b382e01
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2846899
    Auto-Submit: Sathya Gunasekaran  <gsathya@chromium.org>
    Reviewed-by: 's avatarSathya Gunasekaran  <gsathya@chromium.org>
    Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#74144}
    01bbc534
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