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Re: [patches] Beter analyzis of branch predictors
- To: Jan Hubicka <jh at suse dot cz>
- Subject: Re: [patches] Beter analyzis of branch predictors
- From: Andreas Jaeger <aj at suse dot de>
- Date: Mon, 30 Jul 2001 21:34:42 +0200
- Cc: rth at cygnus dot com, patches at x86-64 dot org, gcc-patches at gcc dot gnu dot org
- References: <20010730211711.P473@atrey.karlin.mff.cuni.cz>
Jan Hubicka <jh@suse.cz> writes:
Just some typos:
>+ /* Decide heuristic to use. In case we didn't match something, use
anything
>+ no_predictoin heuristic, in case we did matched, use eighter
>+ first match or Dempster Shaffer theory depending on the flags. */
no_prediction heuristic, in case we did match, use either
Dempster-Shaffer (see below)?
[...]
> Index: predict.def
> ===================================================================
> ! /* An value used as final outcome of all heuristics. */
A value...
>+ /* An outcome estimated by Dempster-Shaffer theory. */
>+ DEF_PREDICTOR (PRED_DS_THEORY, "DS theory", PROB_ALWAYS, 0)
>+
> /* An combined heuristics using probability determined by first
A combined...
> matching heuristics from this list. */
> DEF_PREDICTOR (PRED_FIRST_MATCH, "first match", PROB_ALWAYS, 0)
>+
>+ /* Heuristic applying when no heuristic bellow applied. */
below applies.
Andreas
--
Andreas Jaeger
SuSE Labs aj@suse.de
private aj@arthur.inka.de
http://www.suse.de/~aj