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Re: [RFC] Implementing Swing Modulo Scheduling in GCC
- From: Pop Sebastian <pop at gauvain dot u-strasbg dot fr>
- To: Ayal Zaks <ZAKS at il dot ibm dot com>
- Cc: gcc at gcc dot gnu dot org, Mostafa Hagog <MUSTAFA at il dot ibm dot com>
- Date: Tue, 3 Feb 2004 10:32:57 +0100
- Subject: Re: [RFC] Implementing Swing Modulo Scheduling in GCC
- References: <OFC198A799.B8D1186B-ON42256E2D.0079E283-42256E2D.00821103@il.ibm.com>
Hi,
> 1. Building inter-loop (memory) dependences
> -------------------------------------------
> Dan wrote (in http://gcc.gnu.org/ml/gcc/2003-12/msg00685.html):
> >I *strongly* recommend against reviving dependence.c, for the following
> reasons:
Seconded for not reviving dependence.c
> [snip]
> 3. Pass dependence info from tree-ssa (monev analyzer?), and maintain
> this info until reaching the modulo-scheduler (primary concern: loop
> unroller), following Dan's suggestion:
If you want you can include your work in the lno-branch. Then, I will
try to fill in the data dependence structures that you need for SMS.
Thanks.