skipping a statemnet from inside a repeating block

[John Colvin]

On Thursday, 14 February 2013 at 13:14:47 UTC, Gopan wrote:
> Dear Friends,
>
> I have a callback function which will be called back so many 
> times, say at every second for a week.
>
> void TimerCallback(int number)
> {
>     Statement_1;
>
>     if(number == MY_MAGIC_NUMBER)
>     {
>         /*
>         I have been waiting for this so far.  Now, I have got 
> want I want.		
>         So, I don't want to execute the the above if condition 
> for further callbacks.
>
>         IS THERE ANY TECHNIQUE by which I can say HERE that,
>         from Statement_1, the control can directly go to 
> Statement_3,
>         skipping the evaluation of the above if condition?
>         If it is not possible, is it a limitation at the
>         micro-processor architecture level?
>         */
>     }
>
>     Statement_3;
> }
>
> Thank you.

Not internally to the function, no.

In truth, there's no need to do this. Branch prediction 
(http://en.wikipedia.org/wiki/Branch_predictor) should reduce the 
cost hugely.
Also, a comparison is only going to be 1 cycle, saving a single 
cycle per second is irrelevant.