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RE: [avr-gcc-list] case statement broken in 4.1.2?


From: Eric Weddington
Subject: RE: [avr-gcc-list] case statement broken in 4.1.2?
Date: Wed, 29 Nov 2006 12:04:27 -0700

 

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Juergen Weigert
> Sent: Wednesday, November 29, 2006 11:07 AM
> To: address@hidden
> Subject: Re: [avr-gcc-list] case statement broken in 4.1.2?
> 
> > Am Dienstag, 28. November 2006 08:37 schrieb Henning Paul:

<snip> 

> > -mno-tablejump solved all these problems, the firmware is 
> working perfectly, 
> > even with GCC 4.1.2.
> > 
> > Strange, though. Shouldn't happen, should it?
> 
> -mno-tablejump effectivly does the same what the preprocessor 
> switch in
> Doper does: It converts the switch-cascade into a tree of 
> if-statements.
> 
> To me this looks like we have an issue with our machine-description.

When I build 4.1.1 without the m256x patch, and compile my test program, I
do NOT get these warnings. Put the m256x patch in, same test program, and
the warnings appear.

It's something to do with m256x patch. I'd like to get this resolved soon so
we don't have any regressions.

Eric Weddington





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