[Bug rtl-optimization/89275] New: [9 Regression] Slowdown in mcperf on POEWR

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89275

            Bug ID: 89275
           Summary: [9 Regression] Slowdown in mcperf on POEWR
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tkoenig at gcc dot gnu.org
  Target Milestone: ---

See

https://www.phoronix.com/scan.php?page=article&item=power9-gcc-clang&num=4

there appears to be a ~ 20% slowdown for gcc9 vs. gcc8 on the memcached mcperf
benchmark.