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Date: Wed, 1 Aug 2012 02:19:05 -0400
From: Rich Felker <>
Cc: Kim Walisch <>
Subject: Re: Re: musl libc, memcpy

On Wed, Aug 01, 2012 at 01:40:11AM -0400, Rich Felker wrote:
> On Wed, Aug 01, 2012 at 12:27:22AM -0400, Rich Felker wrote:
> > I'm attaching a (possibly buggy; not heavily tested) rep-movsd-based
> > version. I'd be interested in hearing how it performs.
> And here is the attachment...

And here's a version that might be faster; reportedly, rep movsd works
better when the destination address is aligned.


View attachment "memcpy.s" of type "text/plain" (342 bytes)

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