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Re: [rfc] multi-word subreg lowering pass


Hello Richard,

I think that your patch indeed could be very helpful for the avr port :-)! 
However, I am facing a couple of difficulties with getting it running. Main 
problem is that I am not succeding to compile libgcc with your patch: I am 
constantly getting segmentation faults.
I have tried to figure out the origin of them. Unfortunately the segmentation 
fault causes a crahs of both gdb and gcc. I presently have no clue to find 
out at which place the illegal memory access actually happens.

When using a "precompiled" libgcc, however, I have already seen quite good 
code for a couple of situations. 

Meanwhile, I'd be thankful for any hint on a method for finding out the origin 
of the segmentation fault.

Yours,

BjÃrn


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