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Re: Can register rename pass rename a callee-saved register?

2008/6/20 Andrew Pinski <pinskia@gmail.com>:
> On Thu, Jun 19, 2008 at 11:56 PM, Mohamed Shafi <shafitvm@gmail.com> wrote:
>>   Can you tell me what was done in gcc 4.3 so that i can back port
>> the changes to gcc 4.1.2
>
> It was a rewrite of life information of flow.c really.  It is very
> hard to backport (trust me I have tried already).
>
   So i should do something in the machine reorg pass to catch cases like these.
   I guess that is the only hack that is possible. Is there any other way?

  Was there a bug report filed for this case?

  Regards,
  Shafi
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