[Bug tree-optimization/21030] [4.1 Regression] ICE in set_value_range building 176.gcc with -O2

[kazu at cs dot umass dot edu]

------- Additional Comments From kazu at cs dot umass dot edu  2005-04-23 14:13 -------
Subject: Re:  [4.1 Regression] ICE in
 set_value_range building 176.gcc with -O2

Hi Toon,

> > Kazu, I just tried the patch, pr21030-vrp-ice.patch.
> > It seems to fix the problems with gfortran and -O2.
> 
> Kazu, could you propose your patch on gcc-patches or ping it ?  Without this
> patch I won't be able to do any testing for my GCC Summit paper (deadline 1st of
> May).

I would like to, but currently my patch causes a regression in one of
the VRP testcases.  I have not checked if the failure is a real one or
not.  That is, it's plausible that we are looking for an optimization
that should not happen.

Kazu Hirata


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21030