r266071 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Nov 13 13:51:34 2018
New Revision: 266071

URL: https://gcc.gnu.org/viewcvs?rev=266071&root=gcc&view=rev
Log:
2018-11-13  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87962
	* tree-vect-loop.c (vect_is_simple_reduction): More reliably
	detect outer reduction for disqualifying in-loop uses.

	* gcc.dg/pr87962.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87962.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c