[Bug middle-end/84067] [8 regression] gcc.dg/wmul-1.c regression on aarch64 after r257077

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84067

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Mar 27 13:23:15 2018
New Revision: 258881

URL: https://gcc.gnu.org/viewcvs?rev=258881&root=gcc&view=rev
Log:
2018-03-27  Richard Biener  <rguent...@suse.de>

        PR middle-ed/84067
        * match.pd ((A * C) +- (B * C) -> (A+-B) * C): Guard with
        explicit single_use checks.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd