Re: Constant pointer to (member) function, indirect call

[Mark Mitchell <mark at codesourcery dot com>]

Helge Bahmann wrote:
> On Tue, 1 Mar 2005 Mark Mitchell wrote:
>
> > Helge Bahmann wrote:
> >
> > >    void (A::*function2)(void) throw()=&A::function2;
> > >    (a.*function2)();
> >
> > > however for the call through pointer function2 gcc will always generate an
> > > indirect call, i386 assembly for example looks like:
> >
> > Yes, it should be able to do so, but it's not.  This is probably
> > something that could be done via range propagation.
>
>
> hm... it is not that my life depends on it, but is there a way to tell the
> compiler "this member function pointer will never point to a virtual
> function"? (especially because I know it is constant?)

No, there isn't.

--
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
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