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Re: Regclass cleanups
- To: "David S. Miller" <davem at redhat dot com>
- Subject: Re: Regclass cleanups
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Tue, 04 Jan 2000 00:44:30 -0700
- cc: hubicka at atrey dot karlin dot mff dot cuni dot cz, egcs-patches at egcs dot cygnus dot com
- Reply-To: law at cygnus dot com
In message <200001021943.LAA22184@pizda.ninka.net>you write:
> Date: Sun, 2 Jan 2000 19:30:27 +0100
> From: Jan Hubicka <hubicka@atrey.karlin.mff.cuni.cz>
>
> I will fix that when I will install the patch. But your letter
> probably wasn't meant as approval.. or I am mistaken?
>
> I didn't intend to approve it, but since you have asked
> I have studied it a bit more and I find no problems with
> it.
>
> You may install the patch with the minor formatting fix.
>
> The only piece I questioned was the ASM_INPUT part, I tried to dig
> into ChangeLogs and CVS histories to figure out if anyone explicitly
> put it there for a reason. Unfortunately Bernd's original cleanups in
> regclass (creating scan_one_insn) made it difficult to find out who
> changed what parts before that point in time so I stopped there.
Don't we want to clamp the number of iterations to something reasonable.
I haven't looked at the change, but I suspect it could get rather expensive
if we're presented with a long dependency chain.
jeff