add can_turbo(::typeof(^), ::Val{2}) = true

Author: chriselrod

src/condense_loopset.jl

@@ -918,6 +918,7 @@ can_turbo(::typeof(vfmaddsub), ::Val{3}) = true
 can_turbo(::typeof(vfmsubadd), ::Val{3}) = true
 can_turbo(::typeof(ifelse), ::Val{3}) = true
 can_turbo(::typeof(!), ::Val{1}) = true
+can_turbo(::typeof(^), ::Val{2}) = true
 
 """
     check_turbo_safe(ls::LoopSet)