[Bug target/61915] [AArch64] High amounts of GP to FP register moves using LRA on AArch64 - Improve Generic register_move_cost and memory_move_cost

[e.menezes at samsung dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61915

--- Comment #20 from Evandro <e.menezes at samsung dot com> ---
(In reply to Ramana Radhakrishnan from comment #19)
> To my mind it seems like 407 fmoves is just a bit too berserk and regardless
> of how efficient your core is, there is no point in having so many moves
> back and forth.

It seems that the only LRA parameter exposed is
lra-max-considered-reload-pseudos. It defaults to 500 and decreasing it,
results in more FMOVs; increasing it, in less. It doesn't have any effect over
1000. At 1000, the number of FMOVs decreases by 5% in some cases.