[Bug target/113255] [11/12/13/14 Regression] wrong code with -O2 -mtune=k8

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113255

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.5
      Known to fail|                            |10.2.0
   Last reconfirmed|                            |2024-01-06
      Known to work|                            |10.1.0
          Component|c                           |target
     Ever confirmed|0                           |1
            Summary|wrong code with -O2         |[11/12/13/14 Regression]
                   |-mtune=k8                   |wrong code with -O2
                   |                            |-mtune=k8
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

This looks to be a target issue.
`-O2 -mtune=k8  -mstringop-strategy=libcall` works but
`-O2 -mtune=k8  -mstringop-strategy=rep_8byte` does not.