From:	xmerm05 AT vse DOT cz (Michal Mertl)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: MMX Support
Date:	Mon, 1 Sep 1997 12:51:40
Organization:	University of Economics - Prague, CZ
Lines:	18
Message-ID:	<xmerm05.21.000CDC80@vse.cz>
References:	<34061E27 DOT 3B43 AT nbnet DOT nb DOT ca> <xmerm05 DOT 20 DOT 000D24E5 AT vse DOT cz> <340A299D DOT C17 AT sprynet DOT com>
NNTP-Posting-Host:	s018h07.vse.cz
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

DigitalFx wrote:
>> First of all DJGPP is just a port of GCC for dos, so there are no
>> support anything in DJGPP what isn't in GCC. DJGPP(GCC) doesn't output 
>> instructions specific to processors higher than 386 with coprocessor. 
>> in assembler you can use it already. Either you can use NASM which
>> them (using Intel syntax asm), or you can, using some macros, use them
>> GAS assembler also (AT&T syntax). Look at "Pentium profiling tools" in 
>> section on http://www.goof.com/pgc/ there is header file which uses 

>They also have Pentium specific compilers. That way you aren't limited 
>to 386 or 486 code.

If you mean PGCC I'm quite sure it doesn't use >386+387 instructions, it 
just organizes code to work well with pipelines, cache and so on. You can 
execute PGCC's code compiled with mcpu=pentium march=pentium and 
optimization O6 on 386.
Michal 'MiMe' Mertl
e-mail:XMERM05 AT vse DOT cz

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