From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 98F143858C74; Mon, 20 Mar 2023 12:39:55 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 98F143858C74
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1679315995;
	bh=rJ/eeRzE6uvlizyvQsgVzJh3ESi0J4V3nMdKKAWgnkc=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=Sc5/jnUTfYiO5Y7LwO+rQc+bmV3AkyZCGMNyuZBZKccy8aD5837W5BKvHswmmBmU+
	 JihtuNhas3WryB8/7JFl+7iO1tjIOzCPq9Ab2ZPrpk4CJyifT0NOe8GlkD7xN75Frm
	 Y2H8d9iXKtzVi6VRbg1jUoTarKVytv5xxvZRSm84=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109184] [10/11/12/13 Regression] csmith: 2017
 bug with -floop-interchange
Date: Mon, 20 Mar 2023 12:39:55 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 10.5
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-109184-4-sytz5Vo2PB@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-109184-4@http.gcc.gnu.org/bugzilla/>
References: <bug-109184-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109184

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Reduced testcase:

typedef __UINT64_TYPE__ uint64_t;

static uint64_t g_1731[7][1] =3D {{0xF75EE82FC4736923LL},{0UL},
      {0xF75EE82FC4736923LL},{0UL},
      {0xF75EE82FC4736923LL},{0UL},
      {0xF75EE82FC4736923LL}};

static int g_149;
static unsigned short g_1179;

void __attribute__((noipa)) foo ()
{
  uint64_t l_1930[5];
  int l_1719, l_1721;

  int i;
  for (i =3D 0; i < 5; i++)
    l_1930[i] =3D 0x623D9EDB6316A7CDLL;

  for (g_149 =3D 0; (g_149 > (-15)); g_149--)
    for (l_1719 =3D 4; (l_1719 >=3D 1); l_1719 -=3D 1)
      for (l_1721 =3D 0; (l_1721 >=3D 0); l_1721 -=3D 1)
        for (g_1179 =3D 0; (g_1179 <=3D 4); g_1179 +=3D 1)
          g_1731[(l_1719 + 1)][l_1721]
            &=3D ((0x26L & (((--l_1930[g_1179]) + 0xFC07342370A5FE25LL))));
}

int main()
{
  foo ();
  /* f75ee82fc4736923 0 2 0 0 0 f75ee82fc4736923 */
  if (g_1731[0][0] !=3D 0xF75EE82FC4736923LL
      || g_1731[2][0] !=3D 2
      || g_1731[4][0] !=3D 0
      || g_1731[6][0] !=3D 0xF75EE82FC4736923LL)
    __builtin_abort ();
  return 0;
}=