[Bug other/87036] -O1/-O2 affects floating point precision on at least i686 and ppc64el

2018-08-21 Thread doko at ubuntu dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87036 --- Comment #3 from Matthias Klose --- On 21.08.2018 09:53, pinskia at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87036 > > --- Comment #1 from Andrew Pinski --- > For powerpc at least this is due to fma. Use

[Bug other/87036] -O1/-O2 affects floating point precision on at least i686 and ppc64el

2018-08-21 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87036 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug other/87036] -O1/-O2 affects floating point precision on at least i686 and ppc64el

2018-08-21 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87036 --- Comment #1 from Andrew Pinski --- For powerpc at least this is due to fma. Use -ffp-contract=off to turn it off.