https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82853
--- Comment #30 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Sep 12 18:28:20 2018 New Revision: 264248 URL: https://gcc.gnu.org/viewcvs?rev=264248&root=gcc&view=rev Log: PR middle-end/82853 * expr.h (maybe_optimize_mod_cmp): Declare. * expr.c (mod_inv): New function. (maybe_optimize_mod_cmp): New function. (do_store_flag): Use it. * cfgexpand.c (expand_gimple_cond): Likewise. * gcc.target/i386/pr82853-1.c: New test. * gcc.target/i386/pr82853-2.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr82853-1.c trunk/gcc/testsuite/gcc.target/i386/pr82853-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/cfgexpand.c trunk/gcc/expr.c trunk/gcc/expr.h trunk/gcc/testsuite/ChangeLog