[Bug other/57668] Regression in vectorizing memcpy pattern.

[neleai at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57668

--- Comment #1 from Ondrej Bilka <neleai at seznam dot cz> ---
Created attachment 30333
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30333&action=edit
benchmark for memcpy