------- Comment #4 from dberlin at gcc dot gnu dot org 2006-06-13 13:29 -------
Subject: Re: [4.2 Regression] optimizer bug
pinskia at gcc dot gnu dot org wrote:
> ------- Comment #2 from pinskia at gcc dot gnu dot org 2006-06-13 04:41
> -------
> Hmm, we get after dce, just:
> reduced_cell_two_folds[26] = {};
>
> And DCE removes:
> this_616 = &reduced_cell_two_folds[26].u;
> ....
> # SMT.68_1055 = V_MAY_DEF <SMT.68_1054>;
> this_616->elems[0] = 1;
> # SMT.68_1056 = V_MAY_DEF <SMT.68_1055>;
> this_616->elems[1] = 0;
> # SMT.68_1057 = V_MAY_DEF <SMT.68_1056>;
> this_616->elems[2] = 0;
> ...
> this_621 = &reduced_cell_two_folds[26].h;
> ...
> # SMT.68_1058 = V_MAY_DEF <SMT.68_1057>;
> this_621->elems[0] = 2;
> # SMT.68_1059 = V_MAY_DEF <SMT.68_1058>;
> this_621->elems[1] = 1;
> # SMT.68_1060 = V_MAY_DEF <SMT.68_1059>;
> this_621->elems[2] = 1;
>
>
> Which does not make sense. Nothing is special in alias shows what is going
> wrong.
>
>
The only thing i can think of is that SMT.68 is not marked global.
Is it?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28003
