r277782 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Nov  4 14:50:11 2019
New Revision: 277782

URL: https://gcc.gnu.org/viewcvs?rev=277782&root=gcc&view=rev
Log:
2019-11-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92345
	* tree-vect-loop.c (vect_is_simple_reduction): Return whether
	we produced a reduction chain.
	(vect_analyze_scalar_cycles_1): Do not add reduction chains to
	LOOP_VINFO_REDUCTIONS.

	* gcc.dg/torture/pr92345.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr92345.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c