https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65447
--- Comment #3 from amker at gcc dot gnu.org --- Author: amker Date: Wed May 20 05:15:56 2015 New Revision: 223433 URL: https://gcc.gnu.org/viewcvs?rev=223433&root=gcc&view=rev Log: PR tree-optimization/65447 * tree-ssa-loop-ivopts.c (struct iv_use): New fields. (dump_use, dump_uses): Support to dump sub use. (record_use): New parameters to support sub use. Remove call to dump_use. (record_sub_use, record_group_use): New functions. (compute_max_addr_offset, split_all_small_groups): New functions. (group_address_uses, rewrite_use_address): New functions. (strip_offset): New declaration. (find_interesting_uses_address): Call record_group_use. (add_candidate): New assertion. (infinite_cost_p): Move definition forward. (add_costs): Check INFTY cost and return immediately. (get_computation_cost_at): Clear setup cost and dependent bitmap for sub uses. (determine_use_iv_cost_address): Compute cost for sub uses. (rewrite_use_address_1): Rename from old rewrite_use_address. (free_loop_data): Free sub uses. (tree_ssa_iv_optimize_loop): Call group_address_uses. gcc/testsuite PR tree-optimization/65447 * gcc.dg/tree-ssa/pr65447.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr65447.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-loop-ivopts.c
