https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39346
--- Comment #2 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> --- target/39346, other/39347 and other/39348 are no longer relevant to other/39363, because the Successor of ARC International (UK) Ltd, Synopsys, does not offer an mxp option in its DesignWare ARC Processor Cores lineup.