https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66984
--- Comment #5 from Gary Funck <gary at intrepid dot com> --- (In reply to Jay from comment #2) > 2 I suggest that gcc's C/C++ frontends expose these other forms of division, > for the sake of testability. Perhaps defining a builtin for CEIL_DIV_EXPR and FLOOR_DIV_EXPR might work. For the builtins, you could file an RFE and post a suggested patch (with test cases) for review.