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