[Bug c/87869] Unrolled loop leads to excessive code bloat with -Os on ARC EM.

[nbowler at draconx dot ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87869

--- Comment #1 from Nick Bowler <nbowler at draconx dot ca> ---
Er, I can't count, the unrolled loop is only ~four times the size.