https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62178
--- Comment #6 from amker at gcc dot gnu.org --- Author: amker Date: Thu Dec 18 02:53:42 2014 New Revision: 218855 URL: https://gcc.gnu.org/viewcvs?rev=218855&root=gcc&view=rev Log: PR tree-optimization/62178 * tree-ssa-loop-ivopts.c (cheaper_cost_with_cand): New function. (iv_ca_replace): New function. (try_improve_iv_set): New parameter try_replace_p. Break local optimal fixed-point by calling iv_ca_replace. (find_optimal_iv_set_1): Pass new argument to try_improve_iv_set. gcc/testsuite/ChangeLog PR tree-optimization/62178 * gcc.target/aarch64/pr62178.c: New test. Added: trunk/gcc/testsuite/gcc.target/aarch64/pr62178.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-loop-ivopts.c