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Re: Optimize df_worklist_dataflow

From: Jan Hubicka <hubicka at ucw dot cz>
To: Jan Hubicka <hubicka at ucw dot cz>
Cc: Steven Bosscher <stevenb dot gcc at gmail dot com>, gcc-patches at gcc dot gnu dot org, bonzini at gnu dot org
Date: Thu, 17 Jun 2010 13:49:29 +0200
Subject: Re: Optimize df_worklist_dataflow
References: <20100612134039.GH3487@kam.mff.cuni.cz> <AANLkTil4T49LFmYMnxit7DshoWeFyhzHHuLanDKhQ5Yq@mail.gmail.com> <20100612225036.GA18240@kam.mff.cuni.cz>

> 	* df-problems.c (df_rd_confluence_n, df_lr_confluence_n, df_live_confluence_n,
> 	df_byte_lr_confluence_n, df_md_confluence_n): Return true if something changed.
> 	* df.h (df_confluence_function_n): Return bool.
> 	* df-core.c (df_worklist_propagate_forward, df_worklist_propagate_backward):
> 	Track changes and ages.
> 	(df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
> 	track ages.
> 	* dse.c (dse_confluence_n): Return always true.

Ping...

Honza

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References:
- Optimize df_worklist_dataflow
  - From: Jan Hubicka
- Re: Optimize df_worklist_dataflow
  - From: Steven Bosscher
- Re: Optimize df_worklist_dataflow
  - From: Jan Hubicka

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