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Re: GCCFLAGS for gcc 3.3.x (-march and _MIPS_ISA)

To: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Subject: Re: GCCFLAGS for gcc 3.3.x (-march and _MIPS_ISA)
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 19 Aug 2003 05:57:56 +0200
Cc: linux-mips@linux-mips.org
In-reply-to: <20030812065118.GD23104@rembrandt.csv.ica.uni-stuttgart.de>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20030812.152654.74756131.nemoto@toshiba-tops.co.jp> <20030812065118.GD23104@rembrandt.csv.ica.uni-stuttgart.de>
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On Tue, Aug 12, 2003 at 08:51:18AM +0200, Thiemo Seufer wrote:

> >     GCCFLAGS += -mabi=32 -march=mips2 -mtune=r4600 -Wa,--trap
> > (or GCCFLAGS += $(call check_gcc, -mcpu=r4600 -mips2, -mabi=32 -march=mips2 
> > -mtune=r4600) -Wa,--trap)
> > 
> > Isn't it?
> 
> -march=mips2 is an alias for -march=r6000, I don't think that's a
> good choice.

Why? MIPSII / MIPS32 are the highest ISAs supported for building 32-bit
kernels so that makes sense.

  Ralf

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