Kenneth Graunke <kenn...@whitecape.org> writes:
> Generated by the following Coccinelle semantic patch:
>
> @@
> expression E;
> @@
> if (
> -E
> +unlikely(E)
> )
> { ... _mesa_error(...) ... }
>
> Improves performance in OglBatch7 (a CPU-bound microbenchmark) on
> an i7 4750HQ (Haswell) by 1.08546% +/- 0.519734% (n=292).
>
> Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>Neat! I think you're supposed to be able to get the same result by marking _mesa_error as attribute cold. Then nobody can forget to mark their conditions as unlikely in the future.
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