Re: [RFC] Replacing tree level profiling by RTL level and disabling old loop when profiling for 4.1

[Jan Hubicka <jh at suse dot cz>]

> Jan Hubicka wrote:
> >>Jan Hubicka wrote:
> >>
> >>>Hi,
> >>>currently the RTL based profiling is in very poor shape. 
> >>
> >>I have no objection to switching the default to be tree-based profiling, 
> >>rather than RTL-based profiling.  However, I think it would be much 
> >>better if you would also remove all the RTL-based profiling code at that 
> >>time, and, if you have not already, make the command-line interface 
> >>previously used for RTL-based profiling work automatically for RTL-based 
> >>profiling.
> >>
> >>You've said that RTL-based profiling is badly broken and will never be 
> >>fixed.  If so, then leaving it in the compiler is not only giving users 
> >
> >As I said before, I am using RTL based edge profiling (not value
> >profiling) to catch profiling updating problems from time to time, so it
> >is still quite useful for me, however I can drop it completely and keep
> >the source in my local tree only
> 
> I'd rather it be removed from the FSF sources.

OK, if there will be no complains, I will prepare patch removing RTL
level profiling entirely...

Honza
> 
> -- 
> Mark Mitchell
> CodeSourcery, LLC
> mark@codesourcery.com
> (916) 791-8304