[Bug target/81012] ARM: Spill instead of register copy / dead store on int-to-double conversion

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81012

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=87718
         Resolution|---                         |FIXED
   Target Milestone|---                         |9.0
             Status|NEW                         |RESOLVED
      Known to fail|                            |5.4.0, 8.2.0

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed for GCC 9+ most likely by r9-4310 (aka PR 87718).

The reason why I say most likely the above revision is because if we change the
return to:
  return a+1;

The spill is no longer there.