On 8/30/2024 2:14 PM, Lance Bachmeier wrote: > Will that work with unsigned int128 (the problem here)? If so, that could maybe > go in here: > https://github.com/dlang/dmd/blob/master/druntime/src/__importc_builtins.di Oddly, std.int128 only does signed operations. core.int128 does both signed and unsigned.