2015-04-29  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_analyze_group_access): Properly
	compute GROUP_SIZE for basic-block SLP.
	* tree-vect-slp.c (vect_get_place_in_interleaving_chain): Properly
	take into account gaps.
	(vect_get_mask_element): Properly reject references to previous
	vectors.
	(vect_transform_slp_perm_load): Likewise.

From-SVN: r222560