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[Bug middle-end/40979] induct benchmark 60% slower when compiled with -fgraphite-identity
- From: "sebpop at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 1 Feb 2011 17:51:03 +0000
- Subject: [Bug middle-end/40979] induct benchmark 60% slower when compiled with -fgraphite-identity
- Auto-submitted: auto-generated
- References: <bug-40979-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40979
--- Comment #18 from sebpop at gmail dot com <sebpop at gmail dot com> 2011-02-01 17:22:06 UTC ---
On Tue, Feb 1, 2011 at 11:15, rguenth at gcc dot gnu.org
<gcc-bugzilla@gcc.gnu.org> wrote:
> I'd suggest
>
> Â Â Â Â ÂNEXT_PASS (pass_graphite);
> Â Â Â Â Â Â{
> Â Â Â Â Â Â Âstruct opt_pass **p = &pass_graphite.pass.sub;
> Â Â Â Â Â Â ÂNEXT_PASS (pass_graphite_transforms);
> Â Â Â Â Â Â ÂNEXT_PASS (pass_lim);
> Â Â Â Â Â Â ÂNEXT_PASS (pass_copy_prop);
> Â Â Â Â Â Â ÂNEXT_PASS (pass_dce_loop);
> Â Â Â Â Â Â}
>
That made the loop vectorizable.
Thanks Richi!