[cfe-dev] C++11: new builtin to allow constexpr to be applied to performance-critical functions

[Gabriel Dos Reis]

On Sat, Oct 20, 2012 at 10:23 PM, Richard Smith <richard at metafoo.co.uk> wrote:

>> Allow loops and the like in constexpr functions and be done with it.  See my
>> comments on the C++ Extension Working Group when these (and related)
>> issues where brought up.
>
> Yes, I completely agree, but I don't think this solves the whole
> problem. There are certain constructs which we are unlikely to *ever*
> permit in constexpr functions, such as (as an extreme case) inline
> assembly. Where possible, we should share an implementation between
> compile time and runtime. This proposal is for the exceptional cases
> (which, over time, should become fewer and fewer), and as a stopgap
> measure while we work towards the right solution.

I am just back to College Station.  We should coodinate for the post-Portland
mailing.  If I can have your current draft by tomorrow morning, that
would be great.

-- Gaby