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Re: [patch] Fix behavior of TER on unrolled loops
- From: Steven Bosscher <stevenb at suse dot de>
- To: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
- Cc: GCC Development <gcc at gcc dot gnu dot org>
- Date: Mon, 22 Aug 2005 16:23:09 +0200
- Subject: Re: [patch] Fix behavior of TER on unrolled loops
- References: <20050820190813.GA9852@atrey.karlin.mff.cuni.cz> <200508210200.21548.stevenb@suse.de> <43097E90.3010306@lu.unisi.ch>
On Monday 22 August 2005 09:28, Paolo Bonzini wrote:
> I think Zdenek's patch is fine, because *everything* in TER is a hack.
My thoughts exactly ;-)
> > Zdenek, maybe you could you try and see if enabling pre-regalloc
> > scheduling would also make this particular problem you're seeing go
> > away, just as an experiment...
>
> Couldn't it also make it much worse?
Depends on what the scheduler does with the memory references
vs. register pressure. I have no idea.
Gr.
Steven