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Date:   Tue, 13 Mar 2001 13:15:19 -0800
From:   Pete Popov <ppopov@mvista.com>
Organization: Monta Vista Software
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To:     Karel van Houten <K.H.C.vanHouten@research.kpn.com>
CC:     Ralf Baechle <ralf@oss.sgi.com>, Adrian Bunk <bunk@fs.tum.de>,
        linux-mips@oss.sgi.com, Daniel Jacobowitz <djacobowitz@mvista.com>
Subject: Re: Compile error with current CVS kernel
References: <200103131840.TAA14996@sparta.research.kpn.com>
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Karel van Houten wrote:
> 
> While I wrote my previous mail:
> 
> {standard input}: Assembler messages:
> {standard input}:1993: Error: expression too complex
> {standard input}:1993: Fatal error: internal Error, line 1823, ./config/tc-mips.c
> make[3]: *** [vgacon.o] Error 1
> 
> Again.... :-(

We encountered this exact problem a few days ago. One of our engineers
tracked it down to the combination of complex macros and inline
functions in arch/mips/io.h.  He pinpointed precisely the problem to a
rare gcc "bug", which is not likely to get fixed anytime soon. I believe
a patch was already submitted to Ralf, but it will have to get tested.

Pete