This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: SRA bit-field optimization
- From: "Richard Guenther" <richard dot guenther at gmail dot com>
- To: "Alexandre Oliva" <aoliva at redhat dot com>
- Cc: "Roman Zippel" <zippel at linux-m68k dot org>, "Bernd Schmidt" <bernds_cb1 at t-online dot de>, "Diego Novillo" <dnovillo at acm dot org>, "Daniel Berlin" <dberlin at dberlin dot org>, "GCC Patches" <gcc-patches at gcc dot gnu dot org>, "Andrew Pinski" <pinskia at gmail dot com>, "Eric Botcazou" <ebotcazou at adacore dot com>
- Date: Fri, 5 Oct 2007 17:03:25 +0200
- Subject: Re: SRA bit-field optimization
- References: <orfy4czoyq.fsf@oliva.athome.lsd.ic.unicamp.br> <Pine.LNX.4.64.0707030240580.1820@scrub.home> <orsl82szfw.fsf@oliva.athome.lsd.ic.unicamp.br> <or8x817e6t.fsf_-_@free.oliva.athome.lsd.ic.unicamp.br> <orzlz7iis1.fsf@free.oliva.athome.lsd.ic.unicamp.br> <84fc9c000710021015p4276c5d2s70c75e13a2225f30@mail.gmail.com>
On 10/2/07, Richard Guenther <richard.guenther@gmail.com> wrote:
> On 9/28/07, Alexandre Oliva <aoliva@redhat.com> wrote:
> > On Aug 24, 2007, Alexandre Oliva <aoliva@redhat.com> wrote:
> >
> > > On Jul 6, 2007, Alexandre Oliva <aoliva@redhat.com> wrote:
> > >> Here's the patch, bootstrapped and regression-tested on
> > >> x86_64-linux-gnu and i686-pc-linux-gnu (with an oldish, pre-sccvn
> > >> tree, to be able to test ada as well). Tests on ppc-linux-gnu and
> > >> ppc64-linux-gnu underway.
> >
> > >> Ok to install?
> >
> > > Ping?
> >
> > Ping^2?
> >
> > Tests on ppc* passed back then, BTW.
>
> It seems this was committed now, and causes ncurses build to fail on
> x86_64:
>
> ../ncurses/./base/lib_addch.c: In function 'render_char':
> ../ncurses/./base/lib_addch.c:541: internal compiler error: in
> bitfield_overlaps_p, at tree-sra.c:2901
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://bugs.opensuse.org/> for instructions.
> make[1]: *** [../obj_s/lib_addch.o] Error 1
>
> I'll file a bugreport once I get hands on preprocessed source.
Btw, this is PR33655.
Richard.