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Re: propagate_freq enormous performance hit in 3.1

To: Jan Hubicka <jh at suse dot cz>
Subject: Re: propagate_freq enormous performance hit in 3.1
From: Richard Henderson <rth at redhat dot com>
Date: Tue, 14 Aug 2001 09:41:55 -0700
Cc: Brad Lucier <lucier at math dot purdue dot edu>, gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org
References: <200108131643.f7DGhVI22336@banach.math.purdue.edu> <20010814180136.B29796@atrey.karlin.mff.cuni.cz> <20010814182020.C29796@atrey.karlin.mff.cuni.cz>

On Tue, Aug 14, 2001 at 06:20:20PM +0200, Jan Hubicka wrote:
> 	* predict.c (struct block_info_def): Remove nvisited.
> 	(propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
> 	(estimate_bb_frequencies): Call mark_dfs_back_edges.

Ok.


r~

References:
- Re: propagate_freq enormous performance hit in 3.1
  - From: Jan Hubicka
- Re: propagate_freq enormous performance hit in 3.1
  - From: Jan Hubicka

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