[Bug middle-end/77515] GCC fusing of multiply-add ["FMA"] occurring at "-O3" withOUT "-ffast-math" and withOUT "-ffp-contract=fast"

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77515

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC enables it with -O2 not just -O3.
GCC also defaults to -ffp-contract=on.

This has been true since 2.95.3 or even earlier (most likely ever since PowerPC
support was added).