Giving hints to the compiler/optimizer (#pragma hint ...)

[U.Mutlu]

Jonathan Wakely wrote on 06/22/2018 11:42 AM:
> On Fri, 22 Jun 2018 at 07:32, U.Mutlu wrote:
>> (The manual version has of course the disadvantage that user has to define an
>> additional variable and because of that, put the code in its own scope...)
>
> You don't have to change the scope:
>
> for (size_t i = 1, vec_sz = vec.size(); i < vec_sz; ++i)

Yes, I know that, but it lacks the "const" attribute.