[Bug tree-optimization/84777] -Os inhibits all vectorization

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84777

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Mar 12 08:45:54 2018
New Revision: 258444

URL: https://gcc.gnu.org/viewcvs?rev=258444&root=gcc&view=rev
Log:
2018-03-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/84777
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For
        force-vectorize loops ignore whether we are optimizing for size.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-loop-ch.c