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Re: ICE in gcc/libgcc2.c:566 (gcc trunk)
- From: Ian Lance Taylor <iant at google dot com>
- To: Hanno Meyer-Thurow <h dot mth at web dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: 07 Feb 2007 13:46:43 -0800
- Subject: Re: ICE in gcc/libgcc2.c:566 (gcc trunk)
- References: <20070207221818.99e72471.h.mth@web.de>
Hanno Meyer-Thurow <h.mth@web.de> writes:
> Hi Ian,
> sorry to bother again. I reduced the code (attached) that segfaults here
> on Core 2 Duo [1]. If I add -fno-split-wide-types the code does not segfault.
> That flag comes from your patchset [2].
>
> execute:
> # ./cc1 -quiet -m64 -O1 test.c -o test.o
>
> Any ideas?
The test case works for me. Note that I've committed several cleanup
patches for lower-subreg.c over the last several days. In particular,
do you have this change in your sources?
2007-02-01 Ian Lance Taylor <iant@google.com>
* lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
?
Let me know if you still see the problem with up to date sources.
Ian