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Re: Improve memcpy for Atom

From: Michael Zolotukhin <michael dot v dot zolotukhin at gmail dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: libc-alpha at sourceware dot org
Date: Thu, 20 Oct 2011 14:58:07 +0400
Subject: Re: Improve memcpy for Atom
References: <CANtU07-rOYGO6yCQ+MTny+xzSkW6_xLj-g-6M=4dm25MND0FmQ@mail.gmail.com><CAMe9rOpo1t-fBCDNFmJx7ca+vr=X-fc7RdUEyqjekyDY0z+e6A@mail.gmail.com><CANtU07_Y4o9y1G7Oyc95w8VSxhdHRcgBdQeYbXZ6JVSrisQbng@mail.gmail.com><CAMe9rOoAyNoZJvugdq4Vm+m4rnOudurgqEHEhEpUn3EKFgNjog@mail.gmail.com>

> You should send a separate change for small size optimization.

A patch with improvement of memcpy for Atom on small sizes is attached.

Change Log:
2011-10-20  Michael Zolotukhin  <michael.v.zolotukhin@gmail.com>

       * sysdeps/i386/i686/multiarch/memcpy-ssse3.S: Update.
       XMM-moves are used for copying on small sizes.

-- 
---
Best regards,
Michael V. Zolotukhin,
Software Engineer
Intel Corporation.

Attachment: memcpy_32_small_sizes.patch
Description: Binary data

References:
- Improve memcpy for Atom
  - From: Michael Zolotukhin
- Re: Improve memcpy for Atom
  - From: H.J. Lu
- Re: Improve memcpy for Atom
  - From: Michael Zolotukhin
- Re: Improve memcpy for Atom
  - From: H.J. Lu

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