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Re: [PATCH] rewrite fwprop's dataflow
Paolo Bonzini wrote:
i will look at it today
This explanation should be part of the body of the code, not
something that will be lost in the mail. Given that this is
effectively a new and unique problem, this is especially important.
Thanks Kenny, I'll copy and paste it with small adjustments to
The dataflow code is fine. I am not authorized to approve the
changes to fwprop.c
I think you can, the border between DF and passes using it are murky.
After all it's just replacement for RD+chains -- I could have made a
"singleton UD" problem in df-problems.c and that would have qualified
as dataflow, but the code would be uglier. Also, you are right now
the only one besides me to understand the MD problem. :-)