Re: Use gcc built-in atomic inc/dec in lock.c

On 12 December 2012 22:11, Mikko Tiihonen
<mikko.tiihonen@nitorcreations.com> wrote:
> noticed a "XXX: It might be worth considering using an atomic fetch-and-add
> instruction here, on architectures where that is supported." in lock.c
>
> Here is my first try at using it.

That's interesting, but I have to wonder if there is any evidence that
this *is* actually helpful to performance.

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