[Bug tree-optimization/92740] New: induct2 (from polyhedron) regresses 267% with -O2 -ftree-vectorize -ftree-slp-vectorize -fvect-cost-modes=dynamic compared to -O2

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92740

            Bug ID: 92740
           Summary: induct2 (from polyhedron) regresses 267% with -O2
                    -ftree-vectorize -ftree-slp-vectorize
                    -fvect-cost-modes=dynamic compared to -O2
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hubicka at gcc dot gnu.org
  Target Milestone: ---

This is on zen2 hardware.