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[Bug regression/32582] Bootstrap with vectorization enabled fails with ICE on PPC
- From: "victork at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Aug 2007 05:53:25 -0000
- Subject: [Bug regression/32582] Bootstrap with vectorization enabled fails with ICE on PPC
- References: <bug-32582-12180@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #31 from victork at il dot ibm dot com 2007-08-14 05:53 -------
> Most everyone else bootstraps GCC on PPC64 with
> --with-cpu=default32. Are you missing some packages on SUSE? This really
> isn't a GCC bug any more, it is some problem with the way that you are
> configuring and building GCC on your system.
I think that my system is OK, since I am able to bootstrap with
--with-cpu=default32 without vectorization.
> this is a misscompilation of crtbegin.o that I have been investigating
> as well. The reason seems to be that with -ftree-vectorize, we
> change alignment of __CTOR_LIST__ and __DTOR_LIST__, although why
> exactly this causes problems I did not find out yet.
Maybe it is somehow related to PR32893 ?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32582