[Bug tree-optimization/88440] size optimization of memcpy-like code

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88440

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 12 Dec 2018, hoganmeier at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88440
> 
> --- Comment #3 from krux <hoganmeier at gmail dot com> ---
> Adding -ftree-loop-distribute-patterns to -Os does not seem to make a
> difference though.

Possibly because of

      /* Don't distribute multiple exit edges loop, or cold loop.  */
      if (!single_exit (loop)
          || !optimize_loop_for_speed_p (loop))
        continue;