https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95694

rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |rsandifo at gcc dot 
gnu.org
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2020-06-16

--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
OK.

It looks like the mode is readily available in each call to
REDUCE_BIT_FIELD, so I think we should just pass that down.
It would also avoid:

  if (target && GET_MODE (target) != GET_MODE (exp))
    target = 0;

creating unnecessary temporaries for constant integers.

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