Re: Inserting profiling function calls

[Jan Hubicka <hubicka at ucw dot cz>]

> Dear All,
> 
>    In order to implement a specific basic block profiling, i have to 
> insert function calls at the end of each basic blocks or/and at the end 
> of each functions.
> To do this I'd like to add a profiling pass similar to the arc profiling.
> I'm a beginner in the GCC internal implementation and i hope this 
> subject will be interesting enough for you to give me attention.
> I begin to localize were to insert/add this functionality but more 
> detailed on "a magic how to" insert function calls in the generated code 
> would be very helpful for me.
> Is there somewhere a guide line to add profiling pass ?

There is no such guide, but adding a profiling pass is not that
different from adding any toher pass.  Would you for a start please
explain what do you need to do that can't be done using existing arc and
value profiling?

Honza
> 
> Thank you for your help,
> Patrice
> 
> 
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