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Re: [cxx-conversion] Make double_int a class with methods and operators. (issue6443093)
On 8/8/12, Miles Bader <miles@gnu.org> wrote:
> Mike Stump <mikestump@comcast.net> writes:
> > > Constructors are allowed, but PODs are often passed more
> > > efficiently. That property seemed particularly important
> > > for double_int.
> >
> > Show us the difference in timing. Show us the generated code.
> > I can't imagine that it could ever matter.
>
> I'm also curious about that statement... PODs don't really
> seem to offer much advantage with modern compilers, except in a
> few very specific cases (of which this doesn't seem to be one),
> e.g. in unions.
Which brings up a critical point that double_int is used in trees,
which are in a union, and so double_int must be a POD until trees
are no longer unions.
--
Lawrence Crowl