vect pat recog fails in sbitmap.c on ia64

[Richard Guenther]

On Fri, Jun 11, 2010 at 9:25 PM, Alexandre Oliva <aoliva@redhat.com> wrote:
> A -O3 bootstrap on ia64-linux-gnu crashes building sbitmap.c in stage2.
> The problem is that get_vectype_for_scalar_type (type_out = <unsigned
> long int>) returns type_out = NULL, and then vect_pattern_recog_1
> crashes when it attempts to take the mode of the returned type.
>
> I'm not sure whether returning immediately (like we do for type_in) or
> using the original scalar type_out is best.  The latter is what I
> regstrapped on ia64-linux-gnu.  Ok to install?

You should instead bail out immediately.

Ok with that change.

Thanks,
Richard.

>
>
> --
> Alexandre Oliva, freedom fighter    http://FSFLA.org/~lxoliva/
> You must be the change you wish to see in the world. -- Gandhi
> Be Free! -- http://FSFLA.org/   FSF Latin America board member
> Free Software Evangelist      Red Hat Brazil Compiler Engineer
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