https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92591
--- Comment #10 from Roman Zhuykov <zhroma at gcc dot gnu.org> --- Author: zhroma Date: Fri Dec 20 15:05:12 2019 New Revision: 279642 URL: https://gcc.gnu.org/viewcvs?rev=279642&root=gcc&view=rev Log: modulo-sched: backport PR92591 fix from mainline 2019-12-20 Roman Zhuykov <zhr...@ispras.ru> modulo-sched: fix branch rescheduling issue (PR92591) PR rtl-optimization/92591 * modulo-sched.c (ps_add_node_check_conflicts): Improve checking for history > 0 case. * params.def (sms-dfa-history): Limit to 16. gcc/testsuite: PR rtl-optimization/92591 * gcc.dg/pr92951-1.c: New test. * gcc.dg/pr92951-2.c: New test. Added: branches/gcc-9-branch/gcc/testsuite/gcc.dg/pr92951-1.c branches/gcc-9-branch/gcc/testsuite/gcc.dg/pr92951-2.c Modified: branches/gcc-9-branch/gcc/ChangeLog branches/gcc-9-branch/gcc/modulo-sched.c branches/gcc-9-branch/gcc/params.def branches/gcc-9-branch/gcc/testsuite/ChangeLog