On Fri, Jun 01, 2007 at 10:30:52PM +0200, Zdenek Dvorak wrote:
> Hello,
>
> > > 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?
>
Hello,
> > 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, not really; it could be anything (it may even have nothing to do
with dce, pe
On 6/1/07, H. J. Lu <[EMAIL PROTECTED]> 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
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?
Thanks.
H.J.
On 6/1/07, H. J. Lu <[EMAIL PROTECTED]> wrote:
On Fri, Jun 01, 2007 at 09:37:54AM -0700, H. J. Lu wrote:
> The predictive commoning patch:
>
> http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01061.html
>
> miscompiles 482.sphinx3 in SPEC CPU 2006 with -O2 -ffast-math on
> Linux/x86-64. Zdenek, do y
On Fri, Jun 01, 2007 at 09:37:54AM -0700, H. J. Lu wrote:
> The predictive commoning patch:
>
> http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01061.html
>
> miscompiles 482.sphinx3 in SPEC CPU 2006 with -O2 -ffast-math on
> Linux/x86-64. Zdenek, do you have any ideas?
>
Something is wrong. Pred
The predictive commoning patch:
http://gcc.gnu.org/ml/gcc-patches/2007-05/msg01061.html
miscompiles 482.sphinx3 in SPEC CPU 2006 with -O2 -ffast-math on
Linux/x86-64. Zdenek, do you have any ideas?
BTW, we are working on a small testcase.
H.J.
