r277882 - in /trunk/gcc: ChangeLog tree-vect-lo...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Nov  6 12:56:42 2019
New Revision: 277882

URL: https://gcc.gnu.org/viewcvs?rev=277882&root=gcc&view=rev
Log:
2019-11-06  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vectorizable_reduction): Remember reduction
	PHI.  Use STMT_VINFO_REDUC_IDX to skip the reduction operand.
	Simplify single_defuse_cycle condition.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-loop.c