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Re: question about the ddg construction
On Fri, Jul 4, 2008 at 1:25 AM, Tianwei <tianwei.sheng@gmail.com> wrote:
> it won't query the aliaser for more precise information, maybe the
> code is a little older.
Not at all, the DDG file is for the SMS pass which is relatively new.
One of the problems is that you can't really compute a dependence
distance on RTL, so for memory the DDG is just very conservative.
You're not telling anything new, you know ;-) You probably want to
read http://gcc.gnu.org/wiki/SwingModuloScheduling too,
Gr.
Steven