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Re: Use scev to estimate number of iterations in profile
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 13 Sep 2004 19:42:48 +0200
- Subject: Re: Use scev to estimate number of iterations in profile
- References: <20040913171426.GI16091@kam.mff.cuni.cz>
Hello,
I don't think calls to estimate_numbers_of_iterations
and free_numbers_of_iterations_estimates are useful for anything
in this code.
Zdenek
> + if (!rtlsimpleloops)
> + {
> + scev_initialize (loops_info);
> + estimate_numbers_of_iterations (loops_info);
> + }
> +
> +
> + if (!rtlsimpleloops)
> + {
> + free_numbers_of_iterations_estimates (loops_info);
> + scev_reset ();
> + }
> }
>
> /* Attempt to predict probabilities of BB outgoing edges using local