• Shu-yu Guo's avatar
    Revert "Reland "[wasm][liftoff] Respect CallDescriptor linkage"" · 81bb9cc8
    Shu-yu Guo authored
    This reverts commit 36a7cba2.
    
    Reason for revert: On suspicion of making breakpoints fail more reliably: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux/41129/overview
    
    Original change's description:
    > Reland "[wasm][liftoff] Respect CallDescriptor linkage"
    >
    > This is a reland of 94283811
    >
    > Patchset #2 fixes the Arm bug. A vpush is used to push the slot,
    > so subtract kSimd128Size from the stack decrement to get padding.
    >
    > Original change's description:
    > > [wasm][liftoff] Respect CallDescriptor linkage
    > >
    > > - Adds the actual stack slot location to LiftoffStackSlots::Slot.
    > > - Adds SortInPushedOrder method for architectures that push
    > >   parameters.
    > > - Changes the LiftoffStackSlots::Construct signature to take the
    > >   number of parameter slots in total, and changes implementations
    > >   to insert padding when slots aren't contiguous.
    > > - Changes Arm MacroAssembler::AllocateStackSpace to check the
    > >   immediate value, and to be a nop when it's zero.
    > >
    > > Bug: v8:9198
    > > Change-Id: Ibd5775dbed3a40051fa9e345556231a1c07cf4e9
    > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2717120
    > > Reviewed-by: Andreas Haas <ahaas@chromium.org>
    > > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > > Commit-Queue: Bill Budge <bbudge@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#73191}
    >
    > Bug: v8:9198
    > Change-Id: Iae4930e28dd7fc634e3709a5726379c6b37e5195
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2735984
    > Reviewed-by: Bill Budge <bbudge@chromium.org>
    > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > Reviewed-by: Andreas Haas <ahaas@chromium.org>
    > Commit-Queue: Bill Budge <bbudge@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#73195}
    
    Bug: v8:9198
    Change-Id: I5e72a1f765eb49ec72198abd44798a6153e3dace
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2737796
    Auto-Submit: Shu-yu Guo <syg@chromium.org>
    Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
    Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
    Cr-Commit-Position: refs/heads/master@{#73202}
    81bb9cc8
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