------- Comment #8 from law at redhat dot com 2006-02-15 23:34 -------
Subject: Re: [4.2 Regression]
25_algorithms/prev_permutation/1.cc on powerpc{64,}-linux and
powerpc-darwin
On Wed, 2006-02-15 at 15:19 +0000, pinskia at gcc dot gnu dot org wrote:
>
> ------- Comment #3 from pinskia at gcc dot gnu dot org 2006-02-15 15:18
> -------
> -O2 -fno-tree-vrp cures the wrong code which either means VRP is messing up or
> some other pass is messing up after VRP. Though I should note:
> - ivtmp.209 = ivtmp.209 - 1;
> + ivtmp.211 = ivtmp.211 - 1;
> ivtmp.214 = ivtmp.214 + 4B;
> - goto <bb 11> (<L22>);
> + if (ivtmp.211 != 4294967295) goto <L9>; else goto <L13>;
>
> Which looks more like VRP messing up.
Can you check something for me. Is sizetype an unsigned type on
this platform? And what type is ivtmp?
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26304
