https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81303
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Jul 21 11:32:39 2017 New Revision: 250424 URL: https://gcc.gnu.org/viewcvs?rev=250424&root=gcc&view=rev Log: 2017-07-21 Richard Biener <rguent...@suse.de> PR tree-optimization/81303 * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass in datarefs vector. Allow NULL dr0 for no peeling cost estimate. (vect_peeling_hash_get_lowest_cost): Adjust. (vect_enhance_data_refs_alignment): Likewise. Use vect_get_peeling_costs_all_drs to compute the penalty for no peeling to match up costs. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-vect-data-refs.c