• bmeurer's avatar
    [builtins] Introduce proper Float64Atan and Float64Atan2 operators. · 89d8c57b
    bmeurer authored
    Import base::ieee754::atan() and base::ieee754::atan2() from fdlibm and
    introduce Float64Atan and Float64Atan2 TurboFan operators based on those,
    similar to what we already did for Float64Log and Float64Log1p. Rewrite
    Math.atan() and Math.atan2() as TurboFan builtin and use the operators
    to also inline Math.atan() and Math.atan2() into optimized TurboFan functions.
    
    R=yangguo@chromium.org
    BUG=v8:5086,v8:5095
    
    Review-Url: https://codereview.chromium.org/2065503002
    Cr-Commit-Position: refs/heads/master@{#36916}
    89d8c57b
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