r237473 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jun 15 09:53:07 2016
New Revision: 237473

URL: https://gcc.gnu.org/viewcvs?rev=237473&root=gcc&view=rev
Log:
2016-06-15  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
	not consider dependences between accesses that belong to the
	same group.
	(vect_analyze_data_ref_dependences): Do not analyze read-read
	or self-dependences.

	* gcc.dg/vect/bb-slp-pattern-2.c: Disable loop vectorization.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/bb-slp-pattern-2.c
    trunk/gcc/tree-vect-data-refs.c