https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49148
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |INVALID
Status|UNCONFIRMED |RESOLVED
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to John Peyton from comment #7)
> > Try -ffast-math (the default for ICC) which disables subnormals.
>
> Thanks, this helped it run much faster!
Yes so you confirm this is a subnormal issue.
>
> Could this also be related to subnormal numbers, or is this just a different
> issue?
Different issue related to /4.0 can be done as *0.25 but I think that might be
solved in newer versions of GCC; I didn't try.
