[Bug target/87949] PowerPC saves CR registers across calls

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87949

David Edelsohn <dje at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|powerpc                     |powerpc-*-*
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-11-09
     Ever confirmed|0                           |1

--- Comment #7 from David Edelsohn <dje at gcc dot gnu.org> ---
This sounds like the general problem of the first RA pass creating excessively
long live ranges.

Does GCC know how to re-materialize a comparison?