[Bug c++/98461] New: Suboptimal codegen for negating a movemask

[denis.yaroshevskij at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98461

            Bug ID: 98461
           Summary: Suboptimal codegen for negating a movemask
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: denis.yaroshevskij at gmail dot com
  Target Milestone: ---

https://godbolt.org/z/vK85Ma

GCC fails to see that `not` can be generated instead of vector instructions.
This comes up in generic simd code.