http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54746
Bug #: 54746 Summary: config/s390/s390.c:1583: possible missing break in switch ? Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: dcb...@hotmail.com Target: s390 break; case PROCESSOR_2097_Z10: s390_cost = &z10_cost; case PROCESSOR_2817_Z196: s390_cost = &z196_cost; Looks like a missing break to me. The wrong cost gets picked up.