PATCH: Improve 64 bit strchr and strrchr functions for atom (with SSE2 but without using bsf, bsr)

Dmitrieva Liubov liubov.dmitrieva@gmail.com
Tue Aug 23 11:02:00 GMT 2011


Reposting.

2011/8/8 Dmitrieva Liubov <liubov.dmitrieva@gmail.com>:
> Hello,
>
> This patch improves strchr and strrchr functions on atom for 64 bit
> mode (uses SSE2 but without using bsf, bsr instructions).
>
> It improves performance by up to 3X for strchr and strrchr on atom.
>
>
> --
> Liubov Dmitrieva
>



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