r249785 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Jun 29 14:04:02 2017
New Revision: 249785

URL: https://gcc.gnu.org/viewcvs?rev=249785&root=gcc&view=rev
Log:
2017-06-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
	reduction chains to LOOP_VINFO_REDUCTIONS.
	* tree-vect-slp.c (vect_analyze_slp): Continue looking for
	SLP reductions after processing reduction chains.

	* gcc.dg/vect/slp-reduc-8.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/slp-reduc-8.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c