Re: 'C' Operators precedence

Marty Leisner (leisner@sdsp.mc.xerox.com)
Thu, 21 May 1998 10:14:15 PDT

> >
> > And this _without_ optimisation. gcc is right to do this; if a function
> > clobbers registers, then let it do so when the variables don't contain
> > anything interersting anyway.
>
> Umm, the reason why there is a penalty for calling a function (and why c++ has
> inline functions to avoid the penalty) is because calling a function pushes
> all the registers onto the stack, and restores them afterward.
> --
> Hacksaw = David Charles Todd
> GTEI-BBNT = Hacksaw's Employer
> Hacksaw's Opinions != GTEI-BBNT's Opinions
> Linux understands you.

gcc supports inline for C programs.

And an optomizer with the sense can easily inline functions if it
chooses to do so...

-- 
marty
leisner@sdsp.mc.xerox.com  
The Feynman problem solving Algorithm
        1) Write down the problem
        2) Think real hard
        3) Write down the answer
                Murray Gell-mann in the NY Times










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