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Re: [RFC] Optimize swab operations on mips_r2 cpu

To: Franck <>
Subject: Re: [RFC] Optimize swab operations on mips_r2 cpu
From: "Maciej W. Rozycki" <>
Date: Fri, 27 Jan 2006 15:04:34 +0000 (GMT)
Cc: Nigel Stephens <>, "Kevin D. Kissell" <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <005101c6228c$6ebfb0a0$10eca8c0@grendel> <> <> <> <> <> <> <> <>
On Fri, 27 Jan 2006, Franck wrote:

> To use -march=4ksd, you need to tell to the building process that
> you're using a 4KSD cpu. The only way to do that is to define a new
> CPU_4KSD. But, if I understood mips configuration script, you cannot
> define CPU_4KSD _and_ CPU_MIPS32R2 at the same time; at least easily.

 You may still specify "-mtune=4ksd" at the command line.  This option is 
not going to be overridden as it's nowhere used in Makefiles.


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