• Peter Marshall's avatar
    [builtins] Use the ElementsAccessor to copy TypedArrays. · 356e9246
    Peter Marshall authored
    This includes a fastpath in the ElementsAccessor for the source
    array being a JSArray with FastSmi or FastDouble packed kinds. This
    is probably a pretty common usage, where an array is passed in as
    a way of initializing the TypedArray at creation (as there is not other
    syntax to do this). e.g. new Float64Array([1.0, 1.0, 1.0]) for some
    sort of vector application.
    
    BUG= v8:5977
    
    Change-Id: Ice4ad9fc29f56b1c4b0b30736a1330efdc289003
    Reviewed-on: https://chromium-review.googlesource.com/465126Reviewed-by: 's avatarCamillo Bruni <cbruni@chromium.org>
    Commit-Queue: Peter Marshall <petermarshall@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#44722}
    356e9246
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