re PR middle-end/84067 (gcc.dg/wmul-1.c regression on aarch64 after r257077)
authorRichard Biener <rguenther@suse.de>
Tue, 27 Mar 2018 13:23:15 +0000 (13:23 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 27 Mar 2018 13:23:15 +0000 (13:23 +0000)
commitc1bbe5b3945c30510c7512869c6006285c71de34
tree696739f0dc7f0b72728742cb02fda4683d464dda
parent18f5009ec8e87ada5228ff03f18264e93268e00f
re PR middle-end/84067 (gcc.dg/wmul-1.c regression on aarch64 after r257077)

2018-03-27  Richard Biener  <rguenther@suse.de>

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

From-SVN: r258881
gcc/ChangeLog
gcc/match.pd