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From: Kumar Gala <galak@kernel.crashing.org>
Subject: Re: Please pull from 'for_paulus' branch
Date: Fri, 29 Jun 2007 02:04:51 -0500
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org, Arnd Bergmann <arnd@arndb.de>
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On Jun 29, 2007, at 1:26 AM, Paul Mackerras wrote:

> Kumar Gala writes:
>
>> Please pull from 'for_paulus' branch of
>>
>> 	master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc.git  
>> for_paulus
>
> Unfortunately with those commits I get this when compiling for a
> 64-bit target:
>
> {standard input}: Assembler messages:
> {standard input}:668: Error: Unrecognized opcode: `sldi'
> {standard input}:676: Error: Unrecognized opcode: `sldi'
> {standard input}:694: Error: Unrecognized opcode: `sldi'
> {standard input}:952: Error: Unrecognized opcode: `slwi'
> {standard input}:953: Error: Unrecognized opcode: `sldi'
> {standard input}:1121: Error: Unrecognized opcode: `sldi'
> {standard input}:1359: Error: Unrecognized opcode: `sldi'
> {standard input}:1464: Error: Unrecognized opcode: `srdi'
> make[2]: *** [init/main.o] Error 1
> make[1]: *** [init] Error 2
> make: *** [_all] Error 2
>
> It turns out that with Arnd's patches we now get "-mcpu=powerpc64" on
> the command line, and that means that gcc *doesn't* put "-mppc64" the
> as command line, and as barfs on the 64-bit instructions.  That's
> presumably a gcc bug, but we'll have to work around it.  I think the
> best thing is just to not put the -mcpu=powerpc64 in CFLAGS when no
> specific CPU is selected.

I dropped the patch and re-pushed my tree w/o it.

Let me know if you have any issues.

- k