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Re: PATCH: New 64 bit wcscmp implementation
- From: Ulrich Drepper <drepper at gmail dot com>
- To: Dmitrieva Liubov <liubov dot dmitrieva at gmail dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Mon, 5 Sep 2011 13:13:03 -0400
- Subject: Re: PATCH: New 64 bit wcscmp implementation
- References: <CAHjhQ92-2K42N+jrB3nnqUaLoRixjb_F_4GskRr=azD+7BtvHg@mail.gmail.com>
On Mon, Aug 29, 2011 at 04:58, Dmitrieva Liubov
<liubov.dmitrieva@gmail.com> wrote:
> I've optimized wcscmp function (new implementation is written with
> assembly language coding), it looks better than current version for
> all machines with SSE2 supporting I have.
> It improves performance by up to 3.6X.
Why would you need a multiarch version for x86-64? All x86-64
processors have SSE2 support. There is also no use of wcscmp outside
of libc itself.