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Re: modulo scheduling for IA64
- From: Daniel Berlin <dberlin at dberlin dot org>
- To: David Edelsohn <dje at watson dot ibm dot com>
- Cc: "Deepak B. Nayak" <deepakbn at csa dot iisc dot ernet dot in>, gcc at gcc dot gnu dot org
- Date: Mon, 30 Sep 2002 15:26:21 -0400
- Subject: Re: modulo scheduling for IA64
On Monday, September 30, 2002, at 01:48 PM, David Edelsohn wrote:
Deepak B Nayak writes:
Deepak> we r implementing modulo scheduling for IA64...
Deepak> still we r at the beginning stage....
Deepak> we r in process of calculating initiation interval...
Deepak> we need to do if-conversion....
Deepak> can we use in-conv pass already there in gcc...???
Deepak> also we want know if gcc does in-conv pass then does it do
Deepak> reverse-if conv for processors without predicated execution...
The GCC DFA scheduler already has a software-pipelining feature
which has not been merged into the FSF sources, but which should
provide
modulo scheduling.
It doesn't.
It provides Resource Constrained Software Pipelining, which is
something different.
:)
--Dan