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Date: Fri, 22 Oct 2010 14:03:08 -0600 (MDT)
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To: dim@FreeBSD.org
From: Warner Losh <imp@bsdimp.com>
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Cc: svn-src-head@FreeBSD.org, rdivacky@FreeBSD.org, src-committers@FreeBSD.org,
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Subject: Re: svn commit: r214210 - head/sys/boot/i386/boot2
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In message: <4CC1EBEB.2020309@FreeBSD.org>
            Dimitry Andric <dim@FreeBSD.org> writes:
: On 2010-10-22 20:46, Warner Losh wrote:
: >>    Avoid using memcpy() for copying 32bit chunks. This shrinks
: >>    the resulting code a little.
: >
: > I think I put the memcpy code in when I was porting to ARM to reduce
: > the diffs since it is needed there...
: Due to alignment problems otherwise?

Yes.  At the time it didn't make a difference to the size of boot2.
Now I know that we're looking for every byte to trim...

Warner