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Re: setjmp/longjmp: Wrong code generation
- From: Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>
- To: Florian Weimer <fweimer at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 24 Apr 2013 15:25:55 +0200
- Subject: Re: setjmp/longjmp: Wrong code generation
- References: <20130423144525 dot GA31615 at bart> <5176A678 dot 6040604 at redhat dot com>
On 23/04/13 17:19, Florian Weimer wrote:
> On 04/23/2013 04:45 PM, Andreas Krebbel wrote:
>> I was not able to reproduce the problem with head GCC. But I couldn't
>> find anything which addresses the problem either. So I assume that a
>> different situation before the scheduling pass hides the problem.
>
> The fix for PR56982 might address this one in a reliable fashion, too.
>
Thanks for the pointer. This definitely goes into the right direction. But unfortunately it
appears to only address the tree side. The abnormal edges added with the patch do not survive in
the RTL CFG. So perhaps a similiar change is needed for the RTL cfg hooks as well?
-Andreas-