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Re: new unroller vs ppc
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: Richard Henderson <rth at redhat dot com>, Dale Johannesen <dalej at apple dot com>, gcc at gcc dot gnu dot org, jh at suse dot cz
- Date: Mon, 07 Apr 2003 16:09:36 -0400
- Subject: Re: new unroller vs ppc
>>>>> Zdenek Dvorak writes:
Zdenek> Then what would you suggest to do? Cse apparently produces suboptimal
Zdenek> code in many cases due to this (I guess most of the increments it
Zdenek> ignores this way are not converted to autoincs anyway). I don't see
Zdenek> other way than to teach cse to cope with autoincs (but I am not brave
Zdenek> enough to attempt to do it).
How was the old unroller able to produce better code with this
same impediment?
David