From: Dave Jones <davej@codemonkey.org.uk>
To: Joseph <jospehchan@yahoo.com.tw>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Why does C3 CPU downgrade in kernel 2.4.20?
Date: Fri, 13 Dec 2002 11:57:26 +0000 [thread overview]
Message-ID: <20021213115726.GB31187@suse.de> (raw)
In-Reply-To: <004d01c2a274$915cf690$3716a8c0@taipei.via.com.tw>
On Fri, Dec 13, 2002 at 02:55:04PM +0800, Joseph wrote:
> I've checked the gcc CVS. But it seems to use i486 pluse MMX and 3DNOW
> instructions.
> * config.gcc: Treat winchip_c6-*|winchip2-*|c3-* as pentium-mmx.
> * config/i386/i386.c (processor_alias_table): Add winchip-c6, winchip2 and
> c3.
> * doc/invoke.texi: Mention new aliases.
> ** {"c3", PROCESSOR_I486, PTA_MMX | PTA_3DNOW}, **
> Is there any plan to optimize for C3 CPU in future gcc released version?
Maybe if an optimisation guide appears for the C3.
Dave
--
| Dave Jones. http://www.codemonkey.org.uk
next prev parent reply other threads:[~2002-12-13 11:49 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-10 4:02 Joseph
2002-12-10 5:52 ` Dave Jones
2002-12-10 7:22 ` Daniel Egger
2002-12-10 7:24 ` Dave Jones
2002-12-10 7:53 ` Daniel Egger
2002-12-10 12:40 ` Juan Quintela
2002-12-10 15:40 ` Daniel Egger
2002-12-10 16:51 ` Alan Cox
2002-12-10 19:39 ` Daniel Egger
2002-12-10 20:17 ` Jeff Garzik
2002-12-10 21:24 ` Alan Cox
2002-12-11 18:51 ` Bill Davidsen
2002-12-11 19:14 ` Dave Jones
2002-12-11 19:42 ` Jeff Garzik
2002-12-11 19:51 ` Joel Jaeggli
2002-12-12 9:17 ` Joseph
2002-12-12 13:33 ` Dave Jones
2002-12-13 6:55 ` Joseph
2002-12-13 11:04 ` Daniel Egger
2002-12-13 11:57 ` Dave Jones [this message]
2002-12-11 21:00 ` Alan Cox
2002-12-12 10:19 ` P
2002-12-11 13:19 ` Denis Vlasenko
2002-12-11 10:58 ` Dave Jones
2002-12-11 19:09 ` Denis Vlasenko
2002-12-11 14:59 ` Dave Jones
2002-12-12 18:09 ` Pavel Machek
2002-12-14 16:46 ` Denis Vlasenko
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