[PATCH] memset.S and PowerPC

"David Müller (ELSOFT AG)" d.mueller@elsoft.ch
Wed Jun 19 07:12:00 GMT 2002


Ulrich Drepper schrieb:
> On Tue, 2002-06-18 at 12:34, Geoff Keating wrote:
> 
> 
>>>Geoff or Ulrich have the final ok here.  My personal opionion would be
>>>the "more comprehensive" solution.  Geoff, what do you think?
>>
>>If I have a choice, I'd really like the more comprehensive solution!
> 
> 
> I have not the slightest interest in adding more hacks.  The code works
> fine for the platforms so far supported.  If some new processor
> implementation comes along which needs the code changed this has to
> happen without effecting the existing code.  If the final solution
> requires using the auxiliary vector values and therefore a memory load,
> so be it.  But no going back to the generic code and no disabling the
> benefits for supported implementations.
> 

In this context, i was wondering what do you do with processor bugs like 
for example errata #77 on the IBM PPC405GP which have impacts on glibc? 
What's the "official" glibc handling procedure in such a case? A 
separate patch to fix it resulting in a specific glibc? Or integrating a 
work around into glibc if performance doesn't suffer (too much) for 
other targets?


Dave



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