https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61915
--- Comment #3 from Evandro Menezes ---
In Opteron, there was a path from FP to the GP registers, but not the other way
around. That path was eventually made symmetric in Barcelona only.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61915
--- Comment #2 from Andrew Pinski ---
https://gcc.gnu.org/ml/gcc/2014-05/msg00160.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61915
--- Comment #1 from Andrew Pinski ---
> How is this accomplished internally in A53 and A57?
I don't know about A53 and A57 but I can say that for Cavium's Thunder, it does
not go through the load/store unit and there is a direct path between the
