• Clemens Hammacher's avatar
    [Liftoff] Handle statically-known memory OOB better · 7071504d
    Clemens Hammacher authored
    If memory is statically known to be out of bounds, do not generate code
    for the load or store, and also mark the rest of the current block
    unreachable to avoid unnecessary code generation.
    This also prevents us from having to special-case illegal memory
    offsets in the LiftoffAssembler. For valid code, the offset will always
    be smaller than 2GB.
    
    R=ahaas@chromium.org
    
    Bug: v8:6600
    Change-Id: Ib5a9006780098e9f2ab9eda4bac7939f15612ae0
    Reviewed-on: https://chromium-review.googlesource.com/939821Reviewed-by: 's avatarAndreas Haas <ahaas@chromium.org>
    Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#51623}
    7071504d
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