[Bug target/119596] x86: too eager use of rep movsq/rep stosq for inlined ops

[mjguzik at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119596

--- Comment #15 from Mateusz Guzik <mjguzik at gmail dot com> ---
so tl;dr

Suggested action: don't use rep for sizes <= 256 with by default