Re: [RFC][13/19] Target FP: Perform Ada fixed-point scaling in target format

Joel Brobecker
2017-10-09T18:09:56Z

> > This is a C++ question, really. Does it make any difference if you
> > declare the std::string first, and then only set its contents in
> > a second statement? I can't remember the details, but it has to do
> > with initialization vs assignment. I _really_ hope that the string
> > class is sufficiently well designed that the two are really equivalent
> > in practice?
>
> Huh. Indeed I see worse code when doing the assignment as a separate
> statement, at least with GCC 4.8. I'll make sure to use initialization
> instead wherever possible. Thanks for pointing this out!

Let's wait for people who really know better about C++ to tell us
whether it makes a difference. I was amazed as how careful you have
to be when using C++ to avoid inefficiencies, but perhaps I am simply
being paranoid in this case... That's why I tried to phrase this as
a question.

--
Joel