r270847 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri May  3 10:47:21 2019
New Revision: 270847

URL: https://gcc.gnu.org/viewcvs?rev=270847&root=gcc&view=rev
Log:
2019-05-03  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (get_group_load_store_type): Avoid
	peeling for gaps by loading only lower halves of vectors
	if possible.
	(vectorizable_load): Likewise.

	* gcc.dg/vect/slp-reduc-sad-2.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/slp-reduc-sad-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c