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Re: RFC: using clz for comparing to zero on the tree level.
- From: Richard Henderson <rth at redhat dot com>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: Andrew Pinski <pinskia at physics dot uc dot edu>, gcc at gcc dot gnu dot org
- Date: Thu, 8 May 2003 09:27:04 -0700
- Subject: Re: RFC: using clz for comparing to zero on the tree level.
- References: <20030508052852.GC8285@redhat.com> <200305081422.KAA26286@makai.watson.ibm.com>
On Thu, May 08, 2003 at 10:22:23AM -0400, David Edelsohn wrote:
> Shouldn't this be based on the rtx_cost of CLZ?
Possibly, but at the moment I'm not aware of *any* other
target for which this would be profitable.
r~