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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/21488] [4.0/4.1 regression] Not copy propagating single-argument PHIs causes out-of-ssa coalescing failure
Date: Tue, 10 May 2005 20:33:00 -0000	[thread overview]
Message-ID: <20050510203326.12523.qmail@sourceware.org> (raw)
In-Reply-To: <20050510124823.21488.steven@gcc.gnu.org>


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-05-10 20:33 -------
Anyways here is a testcase which should not produce a constant after the loop:
int bar (unsigned int);

unsigned int
foo (void)
{
  unsigned int i, j;

  for (i = 1; i < 30; i++)
    {
      j = 2 + 3*i;
      if (bar (j))
        break;
    }
  return j;
}

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21488


  parent reply	other threads:[~2005-05-10 20:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-10 12:48 [Bug tree-optimization/21488] New: [4.1 " steven at gcc dot gnu dot org
2005-05-10 13:29 ` [Bug tree-optimization/21488] [4.0/4.1 " steven at gcc dot gnu dot org
2005-05-10 13:35 ` steven at gcc dot gnu dot org
2005-05-10 14:14 ` steven at gcc dot gnu dot org
2005-05-10 17:48 ` pinskia at gcc dot gnu dot org
2005-05-10 20:32 ` pinskia at gcc dot gnu dot org
2005-05-10 20:33 ` pinskia at gcc dot gnu dot org [this message]
2005-05-10 22:28 ` rakdver at gcc dot gnu dot org
2005-05-10 23:07 ` pinskia at gcc dot gnu dot org
2005-05-10 23:21 ` dnovillo at redhat dot com
2005-05-10 23:27 ` pinskia at gcc dot gnu dot org
2005-05-10 23:34 ` dnovillo at redhat dot com
2005-07-08  1:44 ` mmitchel at gcc dot gnu dot org
2005-08-11 19:43 ` pinskia at gcc dot gnu dot org
2005-09-27 16:15 ` mmitchel at gcc dot gnu dot org
     [not found] <bug-21488-280@http.gcc.gnu.org/bugzilla/>
2005-10-16 22:15 ` pinskia at gcc dot gnu dot org
2005-10-31  3:27 ` mmitchel at gcc dot gnu dot org
2005-11-13  1:38 ` steven at gcc dot gnu dot org

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