www.delorie.com/archives/browse.cgi   search  
Mail Archives: pgcc/2000/01/14/14:00:10

Date: Fri, 14 Jan 2000 18:34:34 +0100 (CET)
From: Robert Varga <niteshadow AT hq DOT alert DOT sk>
To: pgcc AT delorie DOT com
Subject: Re: pgcc on AMD K6
In-Reply-To: <387E54D8.FB9F92EA@lycosmail.com>
Message-ID: <Pine.LNX.4.21.0001141830350.4315-100000@hq.alert.sk>
MIME-Version: 1.0
Reply-To: pgcc AT delorie DOT com
Errors-To: dj-admin AT delorie DOT com
X-Mailing-List: pgcc AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

On Thu, 13 Jan 2000, Adam Schrotenboer wrote:

> Check the Makefile, if there are any refs to -mpentiumpro, (which I did see, though I think that's supposed to only enable the scheduling for Pentium Pro),
> -march=pentiumpro or -march=i686, change them to -march=k6. Also, don't use i686 ASM, which may also contain Pentium Pro specific opcodes. K6 doesn't support cmove, but
> AMD Athlon does (I just checked mine, and WCPUID says it does)

K6-2 tests show that more optimal combination would be
-march=pentium -mcpu=pentiumpro

don't really know about the K-3.

Rob

------------------------------------------------------------------------------
From  : Robert 'Niteshadow' Varga
email : niteshadow AT hq DOT alert DOT sk, varga AT iblsoft DOT com
PGPkey: http://hq.alert.sk/~niteshadow/pgpkey.txt
------------------------------------------------------------------------------
 

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019