https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99789
--- Comment #11 from cqwrteur <unlvsur at live dot com> --- (In reply to Jonathan Wakely from comment #10) > We don't want the assembly file. If you want to investigate what Rust does, > you are free to do that. But stop asking us to do that for you. There is no > GCC bug here. Well. Is that any attribute for my custom types to make them spreads for multiple registers? I am not asking std::span or std::string_view here.