[Bug target/94666] S/390: ICE on vectorized popcount

[krebbel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94666

Andreas Krebbel <krebbel at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2020-04-20
           Assignee|unassigned at gcc dot gnu.org      |krebbel at gcc dot gnu.org

--- Comment #1 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Created attachment 48309
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48309&action=edit
Patch

The expander has to simplify the generated subreg in case the incoming operand
is already a subreg.