https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81822
Bug ID: 81822 Summary: [RX] Should implement __atomic_compare_exchange Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: olegendo at gcc dot gnu.org Target Milestone: --- Target: rx*-*-* There are some places which check if the target directly supports SImode atomic compare and exchange, via the __GCC_ATOMIC_INT_LOCK_FREE macro. In particular the C++ std library. The atomic pattern should be implemented to improve library and user code compatibility.