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Date:      Tue, 17 Jul 2001 09:56:13 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Terry Lambert <tlambert2@mindspring.com>
Cc:        <hackers@FreeBSD.ORG>
Subject:   x86 unaligned access followup.
Message-ID:  <20010717095413.G83710-100000@wonky.feral.com>
In-Reply-To: <3B5463E1.BE28526C@mindspring.com>

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> Actually, since the 486, it's been possible for us to turn on unaligned
> access exceptions on the x86.  We should probably consider doing this, to
> ensure better performance, and to avoid the unnecessary bus overhead we
> eat for unaligned access today... not to mention how it could shake out
> the drivers.


Now *that* is a very cool idea. As Johnny Carson would say "I did not know
that". How would this be done? I assume it's some bit-flip for the chip?
D'ya have a sample bit 'o code for this?

-matt



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