https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79663
--- Comment #7 from amker at gcc dot gnu.org --- Author: amker Date: Wed Nov 15 16:16:49 2017 New Revision: 254777 URL: https://gcc.gnu.org/viewcvs?rev=254777&root=gcc&view=rev Log: PR tree-optimization/82726 Revert 2017-01-23 Bin Cheng <bin.ch...@arm.com> PR tree-optimization/70754 * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE. (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE. Insert combined stmt before it if not NULL. (combine_chains): Process refs reversely and compute dominance point for root ref. Revert 2017-02-23 Bin Cheng <bin.ch...@arm.com> PR tree-optimization/79663 * tree-predcom.c (combine_chains): Process refs in reverse order only for ZERO length chains, and add explaining comment. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-predcom.c
