This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: branch predictions
- To: Jason Eckhardt <jle at cygnus dot com>
- Subject: Re: branch predictions
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Thu, 04 May 2000 09:43:44 -0600
- cc: gcc at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <Pine.SOL.3.91.1000504063522.13878A-100000@cse.cygnus.com>you writ
e:
> this is something that just fell through the cracks. The Ball paper
> discusses heuristics similar to #1,#2. I had on my todo list all of them
> but never got to it due to reordering itself. Might as well install
> it if you've done the work. Thanks!
I'll try to clean it up. Basically it has a hunk of inline code to compute
the set of blocks which unconditionally pass control to exit that I'm not
particularly happy with, but it turns out no existing routine did exactly
what I wanted dataflow-wise. Ugh.
jeff