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Re: Puzzle about CFG on rtl during delay slot schedule
- From: Steven Bosscher <stevenb dot gcc at gmail dot com>
- To: "Amker.Cheng" <amker dot cheng at gmail dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 2 Apr 2010 11:42:59 +0200
- Subject: Re: Puzzle about CFG on rtl during delay slot schedule
- References: <v2ne8b251c81004020228ta63283d6jc03fe1ed6c35704b@mail.gmail.com>
On Fri, Apr 2, 2010 at 11:28 AM, Amker.Cheng <amker.cheng@gmail.com> wrote:
> Hi :
> ? I'm wondering whether cfg is maintained properly during delay slot
> scheduling,
The CFG is not maintained during delay slot scheduling. This is, in
fact, a very old and well-known problem. Look for any e-mail on this
list that mentions reorg.c :-)
Ciao!
Steven