[Bug target/82439] Missing (x | y) == x simplifications

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82439

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |aarch64
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-10-06
            Summary|[AArch64] Missing (x | y)   |Missing (x | y) == x
                   |== x simplifications        |simplifications
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
"(x | y) == x" is simpler than "(y & ~x) == 0" on the tree level. 2 gimple vs
3.
So converting it on the gimple level is not going to happen.