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Re: [PING][PATCH]Modulo-scheduling improvements. Missed initialization.
- From: Ayal Zaks <ZAKS at il dot ibm dot com>
- To: Revital1 Eres <ERES at il dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org, volodyan at gmail dot com
- Date: Sat, 30 Jun 2007 23:50:32 +0300
- Subject: Re: [PING][PATCH]Modulo-scheduling improvements. Missed initialization.
Revital1 Eres/Haifa/IBM wrote on 27/06/2007 14:29:49:
> Hello,
>
> This ping relates to the initialization of
> the scc_nodes sbitmap that Vladimir has posted.
> (http://gcc.gnu.org/ml/gcc-patches/2007-02/msg01805.html). The issue
> which relates to using sbitmap_a_and_b instead of sbitmap_a_and_b_cg
> that was raised in that thread will be handled in a follow-up message
> I intend to post after testing.
>
Patch approved as obvious.
It would be good to add a testcase.
Ayal.
> Thanks,
> Revital
>
> 2007-06-27 Vladimir Yanovsky <yanov@il.ibm.com>
>
> * ddg.c (create_ddg_all_sccs): Fix missed
> initialization of scc_nodes.
>
> Index: ddg.c
> ===================================================================
> --- ddg.c (revision 125180)
> +++ ddg.c (working copy)
> @@ -875,6 +875,7 @@
> if (backarc->aux.count == IN_SCC)
> continue;
>
> + sbitmap_zero (scc_nodes);
> sbitmap_zero (from);
> sbitmap_zero (to);
> SET_BIT (from, dest->cuid);