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Re: [rfc] multi-word subreg lowering pass
- From: Daniel Jacobowitz <drow at false dot org>
- To: Björn Haase <bjoern dot m dot haase at web dot de>
- Cc: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Sat, 7 May 2005 15:43:13 -0400
- Subject: Re: [rfc] multi-word subreg lowering pass
- References: <email@example.com> <20050507033326.GC23300@redhat.com> <firstname.lastname@example.org>
On Sat, May 07, 2005 at 08:51:14PM +0200, Björn Haase wrote:
> 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.
If your GDB is crashing, I strongly recommend trying a newer version -
preferably from CVS. What host and version are you using?