https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71554
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Thu Jun 16 10:38:21 2016 New Revision: 237520 URL: https://gcc.gnu.org/viewcvs?rev=237520&root=gcc&view=rev Log: PR target/71554 * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p. (setcc + and peephole2): Likewise. * gcc.c-torture/execute/pr71554.c: New test. Backported from mainline 2015-04-29 Uros Bizjak <ubiz...@gmail.com> * config/i386/i386.md (setcc+movzbl peephole2): Check also clobbered reg. (setcc+andl peephole2): Ditto. Added: branches/gcc-5-branch/gcc/testsuite/gcc.c-torture/execute/pr71554.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/config/i386/i386.md branches/gcc-5-branch/gcc/testsuite/ChangeLog