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Re: Support for newer gcc/gas options

To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Subject: Re: Support for newer gcc/gas options
From: Dimitri Torfs <dimitri@sonycom.com>
Date: Wed, 21 Jan 2004 15:51:20 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <Pine.LNX.4.55.0401211449170.11137@jurand.ds.pg.gda.pl>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20031223114644.GA5458@sonycom.com> <Pine.LNX.4.55.0312231303030.27594@jurand.ds.pg.gda.pl> <Pine.LNX.4.55.0401201332080.12841@jurand.ds.pg.gda.pl> <20040120204026.GA9470@sonycom.com> <Pine.LNX.4.55.0401211449170.11137@jurand.ds.pg.gda.pl>
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On Wed, Jan 21, 2004 at 03:09:12PM +0100, Maciej W. Rozycki wrote:
> On Tue, 20 Jan 2004, Dimitri Torfs wrote:
> 
> > >  It took a bit longer than I planned, sorry.  Anyway, here are two
> > > functionally equivalent patches, for 2.4 and the head, that remove an ISA
> > > specification if a tool supports "-march=" and "-mabi=" at the same time. 
> > >  
> > > Please try the appropriate one.
> > 
> > Tried the head one, it had some typos (patch follows). Unfortunately, as I 
> > wrote
> 
>  Oops, thanks for the correction -- as I still have only gcc 2.95.4, I
> wasn't able to see the typos immediately.
> 
> > earlier, gcc-3.2 doesn't set the ISA correctly when using -march=, so
> > it doesn't work for 3.2. 
> 
>  But do we care of the ISA?  I don't think so -- it's just a leftover from
> the days the MIPS world was less complicated.  If gcc 3.2 correctly emits
> code for the selected processor and obeys the selected ABI, then
> everything is fine.  Are the binaries correct?  If so, I'd like to apply
> the patch.

I actually had problems compiling when the -mips3 was not set. The
compiler choked on compiling some empty file, if I remember correctly.
I will try again later to see what exactly went wrong.

Dimitri



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