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Mail Archives: djgpp/1997/11/24/09:30:17

Message-Id: <m0xZtrH-000S26C@inti.gov.ar>
Comments: Authenticated sender is <salvador AT natacha DOT inti DOT gov DOT ar>
From: "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT edu DOT ar>
Organization: INTI
To: Speed <speed AT linux DOT dpilink DOT com>, djgpp AT delorie DOT com
Date: Mon, 24 Nov 1997 11:30:01 +0000
MIME-Version: 1.0
Subject: Re: 32bit memcpy function?
In-reply-to: <34791FD2.DC541BF1@linux.dpilink.com>

Speed <speed AT linux DOT dpilink DOT com> wrote:

> So it is equivalent to a 'rep movsl'? (assuming, of course, the source,
> dest, and count are already set)
> 
> Eli Zaretskii wrote:
> > 
> > On Sat, 22 Nov 1997 wolfman AT cedar DOT alberni DOT net wrote:
> > 
> > > I was wondering if DJGPP has a 32bit memcpy function (memcpy uses
> > > 8bit right?)
> > 
> > Wrong.  `memcpy' in DJGPP uses 32-bit move instructions.

For big chucks yes, because the overhead isn't so important, for smalls no.

SET 
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