Andrei Alexandrescu wrote:
If 128-bit built-in integer can't be made more efficient by moving them in the core, then the question is really "do you need 128-bit literals?" because that's all the built-in feature would bring over a library.
The literals would be an issue, otherwise you get into the std::string problem where:
s + "abc" works, but: "abc" + "def" does not.If it's not built-in, you also lose the constant folding and math identity stuff.
