On 20 Apr 2016 16:44, Daniel Gutson wrote:
>    is there any reason that std::div / cstdlib div is not implemented
> in such a way that it is expanded to
> the assembly instruction -when available- that calculates both the
> remainder and the quotient,
> e.g. x86' div ?
> 
> For example, why not an inline function with inline assembly? Or,
> should this require a gcc built-in?

sounds like an optimization for gcc rather than hacking something at the
cpp level.  you could post to the gcc-help@ list and they would know best.
	https://gcc.gnu.org/ml/gcc-help/
-mike