https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102989
--- Comment #20 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #18) > (In reply to Segher Boessenkool from comment #16) > > (In reply to Jakub Jelinek from comment #15) > > > PowerPC I think does, not sure about s390. > > > > Does what? > > Have a public place to submit issues against the powerpc abis. Only the ELFv2 ABI really (it's on github). The rest doesn't have (public) maintained documents at all.