[Bug c/79219] Feature request: double width/single width -> single width integer division and remainder

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79219

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
So you mean DW/W -> W, but that can result in the result being not
representable?
What's the desired behavior in this case?  Invoking undefined behavior?