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Re: new unroller vs ppc
- From: Richard Henderson <rth at redhat dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: David Edelsohn <dje at watson dot ibm dot com>, Dale Johannesen <dalej at apple dot com>, gcc at gcc dot gnu dot org, jh at suse dot cz
- Date: Mon, 7 Apr 2003 12:53:55 -0700
- Subject: Re: new unroller vs ppc
- References: <20030321075050.GA25664@atrey.karlin.mff.cuni.cz> <200303290116.UAA24820@makai.watson.ibm.com> <20030406223938.GA5677@atrey.karlin.mff.cuni.cz>
On Mon, Apr 07, 2003 at 12:39:38AM +0200, Zdenek Dvorak wrote:
> I think the correct solution is to split pre/post modify transformation
> out of flow.c (relatively easy, I have the patch somewhere), to run it
> before cse and to cancel this code.
I don't believe that will work; cse is not prepared for
autoinc operands, iirc.
r~