Re: [boost] [integer][math]Heads up on revised gcd/lcm code

On 24 April 2017 at 18:37, John Maddock via Boost wrote:

* Compiler intrinsics are now used speed up binary-gcd steps where possible, sadly this is incompatible with constexpr support since the intrinsics aren't yet constexpr :(

Which intrinsics are those? GCC built-ins are typically constexpr, while the MSVC ones are not.