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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/29446] [4.2 Regression] VRP ICE in compare_names
Date: Fri, 13 Oct 2006 03:19:00 -0000 [thread overview]
Message-ID: <20061013031926.9992.qmail@sourceware.org> (raw)
In-Reply-To: <bug-29446-10110@http.gcc.gnu.org/bugzilla/>
------- Comment #1 from pinskia at gcc dot gnu dot org 2006-10-13 03:19 -------
C testcase:
void f(int *n, int *m)
{
int i;
int ubound0;
int ubound1;
int stride2;
int offset3;
int size4;
int j;
int ubound5;
int size6;
int D919;
__SIZE_TYPE__ D920;
int D921;
unsigned int D922;
__SIZE_TYPE__ D923;
unsigned int D924;
ubound0 = *m;
stride2 = ubound0;
ubound1 = *n;
size4 = stride2 * ubound1;
D922 = size4 - 1;
int (*abc)[D922];
abc = _gfortran_internal_malloc (size4 * 4);
offset3 = ~stride2;
ubound5 = *n;
size6 = ubound5;
D919 = size6 - 1;
int (*xsd)[D919];
xsd = _gfortran_internal_malloc (size6 * 4);
i = 1;
if (i <= 2)
{
while (1)
{
{
_Bool D918;
j = 1;
if (j <= 3)
{
while (1)
{
{
_Bool D917;
if (i != j)
{
if (__builtin_expect (ubound0 <= 0, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
if (__builtin_expect (ubound1 <= 0, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
(*abc)[stride2 + offset3 + 1] = 0;
}
else
{
{
int D916;
if (__builtin_expect (ubound0 <= 0, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
D916 = j;
if (__builtin_expect (D916 <= 0, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
if (__builtin_expect (D916 > ubound1, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
if (__builtin_expect (ubound5 <= 0, 0))
{
__builtin_abort ();
}
else
{
(void) 0;
}
(*abc)[D916 * stride2 + offset3 + 1] = (*xsd)[0];
}
}
D917 = j == 3;
j = j + 1;
if (D917) break; else (void) 0;
}
}
}
else
{
(void) 0;
}
// L4:;
D918 = i == 2;
i = i + 1;
if (D918) break; else (void) 0;
}
}
}
else
{
(void) 0;
}
//L2:;
_gfortran_internal_free ((void *) xsd);
_gfortran_internal_free ((void *) abc);
}
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |critical
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Known to fail| |4.2.0
Known to work| |4.1.2
Last reconfirmed|0000-00-00 00:00:00 |2006-10-13 03:19:26
date| |
Summary|VRP ICE in compare_names |[4.2 Regression] VRP ICE in
| |compare_names
Target Milestone|--- |4.2.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29446
next prev parent reply other threads:[~2006-10-13 3:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-12 22:37 [Bug fortran/29446] New: " kargl at gcc dot gnu dot org
2006-10-13 3:19 ` pinskia at gcc dot gnu dot org [this message]
2006-10-13 3:34 ` [Bug tree-optimization/29446] [4.2 Regression] " pinskia at gcc dot gnu dot org
2006-10-13 8:22 ` rguenth at gcc dot gnu dot org
2006-10-13 9:19 ` rguenth at gcc dot gnu dot org
2006-10-13 10:07 ` rguenth at gcc dot gnu dot org
2006-10-13 10:39 ` rguenth at gcc dot gnu dot org
2006-10-13 12:45 ` patchapp at dberlin dot org
2006-10-13 20:09 ` rguenth at gcc dot gnu dot org
2006-10-13 20:09 ` rguenth at gcc dot gnu dot org
2007-04-25 16:10 ` rguenth at gcc dot gnu dot org
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