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Re: [PATCH] Fix PR18754: add early loop pass, 2nd try
On Thu, 20 Jan 2005 15:26:49 +0100 (CET), Richard Guenther
> On Thu, 20 Jan 2005, Richard Guenther wrote:
> > From inspecting generated assembly code for POOMA, we don't do
> > very good. It seems the reduced C++ testcase from 18754 does
> > not contain all difficulties.
> > Back to experimenting...
> It seems those are ivopt problems - I'll apply some of the pending
> ivopt patches.
Applying #7 and #10 (just picked them as potentially profitable) improves
the runtime with early loop to 11.8s while not changing numbers for
the run without. That's 10% total gain for early loop - I guess I keep that
Maybe we can get some of the more obvious patches from