[Bug tree-optimization/92716] -Os doesn't inline byteswap function even though it's a single instruction

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92716

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2019-11-28
          Component|c                           |tree-optimization
     Ever confirmed|0                           |1
           Severity|normal                      |enhancement

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>So I guess the decision to inline is made too early in the optimization 
>pipeline or something?

Or not optimizations before the second inliner.