• littledan's avatar
    Use ES2015-style TypedArray prototype chain · 07c91dcc
    littledan authored
    This patch switches TypedArrays to use the prototype chain described
    in the ES2015 specification, which adds a %TypedArray% superclass above
    all individual TypedArray types. Most methods are defined on the
    superclass rather than the subclasses.
    
    In order to prevent a performance regression, a few methods are
    marked as inline. Inlining might prevent code which was previously
    monomorphic from becoming polymorphic, and it was specifically
    applied in places where methods became more polymorphic than before.
    Tests with realistic workloads would be nice to do before this
    ships in stable.
    
    This patch does not bring TypedArrays up to full spec compliance. In
    particular, @@species is not yet supported.
    
    R=cbruni
    BUG=v8:4085
    LOG=Y
    
    Review URL: https://codereview.chromium.org/1541233002
    
    Cr-Commit-Position: refs/heads/master@{#33050}
    07c91dcc
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