From: Steven Bosscher <stevenb@suse.de>
To: law@redhat.com
Cc: gcc@gcc.gnu.org
Subject: Re: Delay branch scheduling vs. the CFG
Date: Sun, 13 Nov 2005 21:20:00 -0000 [thread overview]
Message-ID: <200511132220.21202.stevenb@suse.de> (raw)
In-Reply-To: <1131915750.3728.348.camel@slowpoke>
On Sunday 13 November 2005 22:02, Jeffrey A Law wrote:
> No great insights on how to make dbr_schedule CFG aware -- just
> remember that a filled delay slot can represent 3 different cases:
>
> 1. An extension of the block containing the sequence.
>
> 2. An extension of the block at the target of a branch.
>
> 3. An extension of the fall-thru block.
>
> 4. An entirely new basic block on its own.
When can option 4 happen??
Gr.
Steven
next prev parent reply other threads:[~2005-11-13 21:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-13 20:20 Steven Bosscher
2005-11-13 21:02 ` Jeffrey A Law
2005-11-13 21:20 ` Steven Bosscher [this message]
2005-11-13 21:26 ` Jeffrey A Law
2005-11-16 20:07 ` Richard Henderson
2005-11-16 23:19 ` Jeffrey A Law
2005-11-16 22:42 Joern RENNECKE
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