From: "Alexei A. Frounze" <dummy_addressee AT hotmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: either I'm stupid or GCC once again has random behaviour
Date: Tue, 2 Jan 2001 17:41:07 -0500
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Why unrolling? There is a perfect instruction REP STOSB/W/D.
What do you mean?

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Alexei A. Frounze
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"Damian Yerrick" <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p> wrote in
message news:8fd45t46ttftcmahol8erf6sipdjfs9v8v AT 4ax DOT com...
> On Sun, 31 Dec 2000 21:21:11 -0500, "Alexei A. Frounze"
> <dummy_addressee AT hotmail DOT com> wrote:
>
> >PAGE_SIZE is indeed a constant, but who cares? is it hard to put into ECX
a
> >variable instead of a constant?
>
> It's a lot harder to unroll something a variable number of times
> without Duff's device (which may cause performance problems on K6).