[Bug target/101989] Fail to optimize (a & b) | (c & ~b) to vpternlog instruction.

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101989

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-08-20
             Status|UNCONFIRMED                 |NEW
           Severity|normal                      |enhancement
     Ever confirmed|0                           |1
               Host|x86_64-pc-linux-gnu         |

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.  You might be able to handle it with a match_dup instead of needing
a post_reload splitter to match the the one reg that needs to be the same.