https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89865
--- Comment #24 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Mon Apr 8 12:36:58 2019 New Revision: 270206 URL: https://gcc.gnu.org/viewcvs?rev=270206&root=gcc&view=rev Log: PR rtl-optimization/89865 * config/i386/i386.md: Add peepholes for z = x; x ^= y; x != z. * gcc.target/i386/pr49095.c: Don't expect any RMW sequences. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.md trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.target/i386/pr49095.c