Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006

[Andrew Pinski]

On 6/1/07, H. J. Lu <hjl@lucon.org> wrote:
> On Fri, Jun 01, 2007 at 09:55:53AM -0700, Andrew Pinski wrote:
> >
> > Because the patch had other effects like adding a DCE after Copyprop
> > in the loop optimizer section.
> >
>
> Disable DCE after Copyprop in the loop optimizer section fixes my
> problem. Any idea why?

No idea, you have to look into why the miscompiling is happening, are
you sure that the program does not violate C/C++ aliasing rules?

Thanks,
Andrew Pinski