• danno's avatar
    [csa] micro-optimization of Allocation · 133b8dfa
    danno authored
    Instead of loading the address both the limit and top pointers, rely on the
    property that the limit pointer is always directly after the top pointer so that
    it can be loaded with the limit pointer's address plus a fixed offset.
    
    This generates smaller code and reduces the number of registers required by the
    allocation sequence by one.
    
    LOG=N
    R=epertoso@chromium.org
    
    Review-Url: https://codereview.chromium.org/2605043002
    Cr-Commit-Position: refs/heads/master@{#41975}
    133b8dfa
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