[Bug target/98214] [10/11 Regression] SVE: Wrong code with -O3 -msve-vector-bits=512

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98214

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
   Last reconfirmed|                            |2020-12-30
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1

--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Things go wrong in combine, because -msve-vector-bits=N
doesn't update GET_MODE_MASK properly.  Testing a patch.