[Bug target/93571] PPC: fmr gets used instead of faster xxlor

[luoxhu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93571

--- Comment #3 from luoxhu at gcc dot gnu.org ---
BTW, I didn't see performance difference between fmr and xxlor within a small
benchmark.

                           Max Ops Per Cycle    Latency (Min)   Latency (Max)   

fmr     -       -               ALU     FPR                     4       2      
2       1       R       -                       -       -       -              
Floating Move Register  


xxlor   -       -               ALU     VSR                     2       2      
2       1       V       -       1               S       -       -              
VSX Vector Logical OR