• bmeurer's avatar
    [turbofan] Introduce Float64Pow and NumberPow operators. · e607e12e
    bmeurer authored
    Introduce a new machine operator Float64Pow that for now is backed by
    the existing MathPowStub to start the unification of Math.pow, and at
    the same time address the main performance issue that TurboFan still has
    with the imaging-darkroom benchmark in Kraken.
    
    Also migrate the Math.pow builtin itself to a TurboFan builtin and
    remove a few hundred lines of hand-written platform code for special
    handling of the fullcodegen Math.pow version.
    
    BUG=v8:3599,v8:5086,v8:5157
    
    Review-Url: https://codereview.chromium.org/2103733003
    Cr-Commit-Position: refs/heads/master@{#37323}
    e607e12e
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