[Bug tree-optimization/86570] Conditional statement doesn't trigger sincos transform (with -ffast-math)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86570

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-07-18
            Summary|Conditional statement       |Conditional statement
                   |doesn't trigger sincos      |doesn't trigger sincos
                   |transform                   |transform (with
                   |                            |-ffast-math)
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
-0.0 == 0.0 so definitely -ffast-math is required.

Basically many floating point replacement like this is not done.