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From: "venkataramanan.kumar at amd dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/54742] Switch elimination in FSM loop
Date: Mon, 04 Mar 2013 08:34:00 -0000 [thread overview]
Message-ID: <bug-54742-4-aGO7yh8rMe@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-54742-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54742
--- Comment #6 from Venkataramanan <venkataramanan.kumar at amd dot com> 2013-03-04 08:34:06 UTC ---
(In reply to comment #5)
> int first;
> void thread_backedge (void)
> {
> int i = 0;
>
> do
> {
> if (first ==1)
> {
> foo ();
> first=0;
> }
> else
> {
> bla ();
> first =0;
> }
>
> } while (i++ < 100);
> }
Can be jump threaded
if (first ==1)
{
foo();
}
else
{
L1:
bla()
}
first =0
i++
if i<=99 goto L1
else return.
next prev parent reply other threads:[~2013-03-04 8:34 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-29 3:16 [Bug tree-optimization/54742] New: " joey.ye at arm dot com
2012-09-29 3:21 ` [Bug tree-optimization/54742] " pinskia at gcc dot gnu.org
2012-10-01 10:19 ` rguenth at gcc dot gnu.org
2012-10-10 7:37 ` joey.ye at arm dot com
2013-02-19 10:27 ` rguenth at gcc dot gnu.org
2013-03-04 8:27 ` venkataramanan.kumar at amd dot com
2013-03-04 8:34 ` venkataramanan.kumar at amd dot com [this message]
2013-03-04 16:56 ` law at redhat dot com
2013-03-08 3:56 ` joey.ye at arm dot com
2013-05-02 0:11 ` sje at gcc dot gnu.org
2013-11-20 7:23 ` StaffLeavers at arm dot com
2013-11-20 7:23 ` law at redhat dot com
2013-11-20 7:24 ` StaffLeavers at arm dot com
2013-11-20 7:25 ` StaffLeavers at arm dot com
2013-11-20 7:26 ` StaffLeavers at arm dot com
2013-11-20 7:26 ` StaffLeavers at arm dot com
2013-11-20 7:26 ` StaffLeavers at arm dot com
2013-11-20 7:26 ` StaffLeavers at arm dot com
2013-11-20 7:27 ` StaffLeavers at arm dot com
2013-11-20 7:27 ` StaffLeavers at arm dot com
2013-11-20 7:28 ` StaffLeavers at arm dot com
2013-11-20 7:28 ` StaffLeavers at arm dot com
2013-11-20 7:28 ` StaffLeavers at arm dot com
2013-11-20 7:29 ` StaffLeavers at arm dot com
2013-11-20 7:31 ` StaffLeavers at arm dot com
2013-11-22 19:30 ` law at redhat dot com
2013-11-27 12:11 ` jgreenhalgh at gcc dot gnu.org
2013-11-27 12:15 ` jgreenhalgh at gcc dot gnu.org
2013-12-11 18:43 ` izamyatin at gmail dot com
2013-12-11 18:48 ` law at redhat dot com
2013-12-12 11:22 ` izamyatin at gmail dot com
2013-12-13 11:05 ` rguenth at gcc dot gnu.org
2013-12-25 13:48 ` izamyatin at gmail dot com
2014-02-17 10:07 ` joey.ye at arm dot com
2014-02-19 11:22 ` joey.ye at arm dot com
2014-06-28 15:45 ` spop at gcc dot gnu.org
2014-08-12 22:49 ` sje at gcc dot gnu.org
2014-12-06 19:20 ` spop at gcc dot gnu.org
2014-12-06 19:23 ` spop at gcc dot gnu.org
2015-01-14 10:23 ` yroux at gcc dot gnu.org
2023-12-15 18:21 ` pinskia at gcc dot gnu.org
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