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* [Bug fortran/36132] [4.4 Regression] issue with _gfortran_internal_pack
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
@ 2008-05-05 13:25 ` jv244 at cam dot ac dot uk
2008-05-05 13:46 ` burnus at gcc dot gnu dot org
` (10 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: jv244 at cam dot ac dot uk @ 2008-05-05 13:25 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from jv244 at cam dot ac dot uk 2008-05-05 13:25 -------
testcase:
MODULE M1
INTEGER, PARAMETER :: dp=KIND(0.0D0)
CONTAINS
SUBROUTINE S1(a)
REAL(dp), DIMENSION(45), INTENT(OUT), &
OPTIONAL :: a
IF (PRESENT(a)) a=0.0_dp
END SUBROUTINE S1
SUBROUTINE S2(a)
REAL(dp), DIMENSION(:, :), INTENT(OUT), &
OPTIONAL :: a
CALL S1(a)
END SUBROUTINE
END MODULE M1
USE M1
REAL(dp) :: a(5,9)
CALL S2()
END
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack
@ 2008-05-05 13:25 jv244 at cam dot ac dot uk
2008-05-05 13:25 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
` (11 more replies)
0 siblings, 12 replies; 13+ messages in thread
From: jv244 at cam dot ac dot uk @ 2008-05-05 13:25 UTC (permalink / raw)
To: gcc-bugs
the following testcase, derived from CP2K, illustrates an issue with
_gfortran_internal_pack. In CP2K this causes crashes such as:
Operating system error: Cannot allocate memory
Memory allocation failed
while this testcase shows under valgrind:
> gfortran -g -O0 test.f90
> valgrind --tool=memcheck ./a.out
==21339== Memcheck, a memory error detector.
==21339== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==21339== Using LibVEX rev 1732, a library for dynamic binary translation.
==21339== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==21339== Using valgrind-3.2.3, a dynamic binary instrumentation framework.
==21339== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==21339== For more details, rerun with: -v
==21339==
==21339== Conditional jump or move depends on uninitialised value(s)
==21339== at 0x4BF449B: _gfortran_internal_pack (in_pack_generic.c:56)
==21339== by 0x4008BC: __m1_MOD_s2 (test.f90:12)
==21339== by 0x400967: MAIN__ (test.f90:17)
==21339== by 0x40099B: main (fmain.c:21)
==21339==
==21339== Conditional jump or move depends on uninitialised value(s)
==21339== at 0x4008FA: __m1_MOD_s2 (test.f90:12)
==21339== by 0x400967: MAIN__ (test.f90:17)
==21339== by 0x40099B: main (fmain.c:21)
--
Summary: [4.4 Regression] issue with _gfortran_internal_pack
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
OtherBugsDependingO 29975
nThis:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] [4.4 Regression] issue with _gfortran_internal_pack
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
2008-05-05 13:25 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
@ 2008-05-05 13:46 ` burnus at gcc dot gnu dot org
2008-05-05 15:29 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
` (9 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-05-05 13:46 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from burnus at gcc dot gnu dot org 2008-05-05 13:46 -------
I have probably a too old gfortran 4.4.0 (namely 20080424), but it does not
crash here. I see the same valgrind output using gfortran 4.1, 4.2, 4.3 and
4.4.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] issue with _gfortran_internal_pack
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
2008-05-05 13:25 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
2008-05-05 13:46 ` burnus at gcc dot gnu dot org
@ 2008-05-05 15:29 ` jv244 at cam dot ac dot uk
2008-05-05 18:58 ` [Bug fortran/36132] _gfortran_internal_pack on optional arguments tkoenig at gcc dot gnu dot org
` (8 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: jv244 at cam dot ac dot uk @ 2008-05-05 15:29 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from jv244 at cam dot ac dot uk 2008-05-05 15:28 -------
right, it is actually new CP2K code since I checked 4.3. No regression thus.
--
jv244 at cam dot ac dot uk changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.4 Regression] issue with |issue with
|_gfortran_internal_pack |_gfortran_internal_pack
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (2 preceding siblings ...)
2008-05-05 15:29 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
@ 2008-05-05 18:58 ` tkoenig at gcc dot gnu dot org
2008-05-20 6:46 ` jv244 at cam dot ac dot uk
` (7 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: tkoenig at gcc dot gnu dot org @ 2008-05-05 18:58 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from tkoenig at gcc dot gnu dot org 2008-05-05 18:57 -------
The problem isn't specific to in_pack, it's the
fact that we don't initialize the array descriptor
correctly.
s2 shows
if (a != 0B)
{
{
integer(kind=4) D.638;
D.638 = a->dim[0].stride;
stride.1 = D.638 != 0 ? D.638 : 1;
...
}
}
so we set stride.1 only if a is present. So far, so good.
Later, unconditionally, we have
struct array2_real(kind=8) parm.6;
...
D.633 = stride.1;
parm.6.dim[0].lbound = 1;
parm.6.dim[0].ubound = ubound.0;
parm.6.dim[0].stride = NON_LVALUE_EXPR <D.633>;
parm.6.data = (void *) &(*a.0)[0];
parm.6.offset = NON_LVALUE_EXPR <D.632>;
D.635 = _gfortran_internal_pack (&parm.6);
We need to call _gfortran_internal_pack on optional arguments
only when the optional arguments are present.
Setting subject.
--
tkoenig at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tkoenig at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |wrong-code
Last reconfirmed|0000-00-00 00:00:00 |2008-05-05 18:57:28
date| |
Summary|issue with |_gfortran_internal_pack on
|_gfortran_internal_pack |optional arguments
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (3 preceding siblings ...)
2008-05-05 18:58 ` [Bug fortran/36132] _gfortran_internal_pack on optional arguments tkoenig at gcc dot gnu dot org
@ 2008-05-20 6:46 ` jv244 at cam dot ac dot uk
2008-05-20 15:19 ` fxcoudert at gcc dot gnu dot org
` (6 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: jv244 at cam dot ac dot uk @ 2008-05-20 6:46 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from jv244 at cam dot ac dot uk 2008-05-20 06:45 -------
this seems one of the few wrong-code bugs that affects Fortran95 in a system
independent way. Any chance to fix this, with a backport to 4.3(.2) ? I believe
we could try to code around it for new versions of CP2K, but that would just be
CP2K. I would guess that the fix is very localized and 'obvious'.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (4 preceding siblings ...)
2008-05-20 6:46 ` jv244 at cam dot ac dot uk
@ 2008-05-20 15:19 ` fxcoudert at gcc dot gnu dot org
2008-06-15 15:14 ` fxcoudert at gcc dot gnu dot org
` (5 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: fxcoudert at gcc dot gnu dot org @ 2008-05-20 15:19 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from fxcoudert at gcc dot gnu dot org 2008-05-20 15:18 -------
(In reply to comment #5)
> this seems one of the few wrong-code bugs that affects Fortran95 in a system
> independent way. Any chance to fix this, with a backport to 4.3(.2) ? I believe
> we could try to code around it for new versions of CP2K, but that would just be
> CP2K. I would guess that the fix is very localized and 'obvious'.
This is not a regression, but I guess as you that the fix should be simple, so
why not? I'll look into it.
--
fxcoudert at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |fxcoudert at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2008-05-05 18:57:28 |2008-05-20 15:18:15
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (5 preceding siblings ...)
2008-05-20 15:19 ` fxcoudert at gcc dot gnu dot org
@ 2008-06-15 15:14 ` fxcoudert at gcc dot gnu dot org
2008-06-16 18:09 ` burnus at gcc dot gnu dot org
` (4 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: fxcoudert at gcc dot gnu dot org @ 2008-06-15 15:14 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from fxcoudert at gcc dot gnu dot org 2008-06-15 15:13 -------
This is an important bug indeed, and I'm swamped with work, so I'd better leave
it to someone else.
--
fxcoudert at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|fxcoudert at gcc dot gnu dot|unassigned at gcc dot gnu
|org |dot org
Status|ASSIGNED |NEW
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (6 preceding siblings ...)
2008-06-15 15:14 ` fxcoudert at gcc dot gnu dot org
@ 2008-06-16 18:09 ` burnus at gcc dot gnu dot org
2008-07-25 10:20 ` jv244 at cam dot ac dot uk
` (3 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-06-16 18:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from burnus at gcc dot gnu dot org 2008-06-16 18:08 -------
Pointer for myself (or someone else): Should be added in trans-array.c's
gfc_conv_array_parameter and maybe also gfc_trans_dummy_array_bias.
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |burnus at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (7 preceding siblings ...)
2008-06-16 18:09 ` burnus at gcc dot gnu dot org
@ 2008-07-25 10:20 ` jv244 at cam dot ac dot uk
2008-07-27 10:47 ` burnus at gcc dot gnu dot org
` (2 subsequent siblings)
11 siblings, 0 replies; 13+ messages in thread
From: jv244 at cam dot ac dot uk @ 2008-07-25 10:20 UTC (permalink / raw)
To: gcc-bugs
------- Comment #9 from jv244 at cam dot ac dot uk 2008-07-25 10:20 -------
Any plans to look into a fix for this for 4.3.X ? This is variant of the
testcase that causes a runtime abort (trunk on x86_64-unknown-linux-gnu):
> gfortran -O2 test.f90 ; ./a.out
Operating system error: Cannot allocate memory
Memory allocation failed
> cat test.f90
MODULE M1
INTEGER, PARAMETER :: dp=KIND(0.0D0)
CONTAINS
SUBROUTINE S0()
REAL(dp) :: a(5,9,3,5)
CALL S1(a)
END SUBROUTINE
SUBROUTINE S1(a)
REAL(dp), DIMENSION(45), INTENT(OUT), &
OPTIONAL :: a
IF (PRESENT(a)) CALL RANDOM_NUMBER(a)
END SUBROUTINE S1
SUBROUTINE S2(a)
REAL(dp), DIMENSION(:, :), INTENT(OUT), &
OPTIONAL :: a
CALL S1(a)
END SUBROUTINE
END MODULE M1
USE M1
CALL S0()
CALL S2()
END
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (8 preceding siblings ...)
2008-07-25 10:20 ` jv244 at cam dot ac dot uk
@ 2008-07-27 10:47 ` burnus at gcc dot gnu dot org
2008-07-27 11:43 ` burnus at gcc dot gnu dot org
2008-07-27 11:47 ` burnus at gcc dot gnu dot org
11 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-07-27 10:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #10 from burnus at gcc dot gnu dot org 2008-07-27 10:46 -------
Subject: Bug 36132
Author: burnus
Date: Sun Jul 27 10:45:44 2008
New Revision: 138186
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138186
Log:
2008-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/36132
PR fortran/29952
PR fortran/36909
* trans.c (gfc_trans_runtime_check): Allow run-time warning
* besides
run-time error.
* trans.h (gfc_trans_runtime_check): Update declaration.
* trans-array.c
* (gfc_trans_array_ctor_element,gfc_trans_array_bound_check,
gfc_conv_array_ref,gfc_conv_ss_startstride,gfc_trans_dummy_array_bias):
Updated gfc_trans_runtime_check calls.
(gfc_conv_array_parameter): Implement flag_check_array_temporaries,
fix packing/unpacking for nonpresent optional actuals to optional
formals.
* trans-array.h (gfc_conv_array_parameter): Update declaration.
* trans-expr.c (gfc_conv_substring,gfc_trans_arrayfunc_assign,
gfc_conv_function_call): Updated gfc_trans_runtime_check calls.
(gfc_conv_function_call): Update gfc_conv_array_parameter calls.
* trans-expr.c (gfc_trans_goto): Updated gfc_trans_runtime_check
calls.
* trans-io.c (set_string,gfc_conv_intrinsic_repeat): Ditto.
(gfc_conv_intrinsic_transfer,gfc_conv_intrinsic_loc): Same for
gfc_conv_array_parameter.
* trans-intrinsics.c (gfc_conv_intrinsic_bound): Ditto.
* trans-decl.c (gfc_build_builtin_function_decls): Add
gfor_fndecl_runtime_warning_at.
* lang.opt: New option fcheck-array-temporaries.
* gfortran.h (gfc_options): New flag_check_array_temporaries.
* options.c (gfc_init_options, gfc_handle_option): Handle flag.
* invoke.texi: New option fcheck-array-temporaries.
2008-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/36132
PR fortran/29952
PR fortran/36909
* runtime/error.c: New function runtime_error_at.
* gfortran.map: Ditto.
* libgfortran.h: Ditto.
2008-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/36132
PR fortran/29952
PR fortran/36909
gfortran.dg/internal_pack_4.f90: New.
gfortran.dg/internal_pack_5.f90: New.
gfortran.dg/array_temporaries_2.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/array_temporaries_2.f90
trunk/gcc/testsuite/gfortran.dg/internal_pack_4.f90
trunk/gcc/testsuite/gfortran.dg/internal_pack_5.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/gfortran.h
trunk/gcc/fortran/invoke.texi
trunk/gcc/fortran/lang.opt
trunk/gcc/fortran/options.c
trunk/gcc/fortran/trans-array.c
trunk/gcc/fortran/trans-array.h
trunk/gcc/fortran/trans-decl.c
trunk/gcc/fortran/trans-expr.c
trunk/gcc/fortran/trans-intrinsic.c
trunk/gcc/fortran/trans-io.c
trunk/gcc/fortran/trans-stmt.c
trunk/gcc/fortran/trans.c
trunk/gcc/fortran/trans.h
trunk/gcc/testsuite/ChangeLog
trunk/libgfortran/ChangeLog
trunk/libgfortran/gfortran.map
trunk/libgfortran/libgfortran.h
trunk/libgfortran/runtime/error.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (9 preceding siblings ...)
2008-07-27 10:47 ` burnus at gcc dot gnu dot org
@ 2008-07-27 11:43 ` burnus at gcc dot gnu dot org
2008-07-27 11:47 ` burnus at gcc dot gnu dot org
11 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-07-27 11:43 UTC (permalink / raw)
To: gcc-bugs
------- Comment #11 from burnus at gcc dot gnu dot org 2008-07-27 11:42 -------
Subject: Bug 36132
Author: burnus
Date: Sun Jul 27 11:41:35 2008
New Revision: 138187
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138187
Log:
2008-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/36132
* trans-array.c (gfc_conv_array_parameter): Fix packing/unpacking
for nonpresent optional actuals to optional formals.
* trans-array.h (gfc_conv_array_parameter): Update declaration.
* trans-expr.c (gfc_conv_function_call,gfc_trans_arrayfunc_assign):
Update gfc_conv_array_parameter calls.
* trans-intrinsics (gfc_conv_intrinsic_transfer,
gfc_conv_intrinsic_loc): Ditto.
2008-07-27 Tobias Burnus <burnus@net-b.de>
PR fortran/36132
* gfortran.dg/internal_pack_4.f90: New.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gfortran.dg/internal_pack_4.f90
Modified:
branches/gcc-4_3-branch/gcc/fortran/ChangeLog
branches/gcc-4_3-branch/gcc/fortran/trans-array.c
branches/gcc-4_3-branch/gcc/fortran/trans-array.h
branches/gcc-4_3-branch/gcc/fortran/trans-expr.c
branches/gcc-4_3-branch/gcc/fortran/trans-intrinsic.c
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
* [Bug fortran/36132] _gfortran_internal_pack on optional arguments
2008-05-05 13:25 [Bug fortran/36132] New: [4.4 Regression] issue with _gfortran_internal_pack jv244 at cam dot ac dot uk
` (10 preceding siblings ...)
2008-07-27 11:43 ` burnus at gcc dot gnu dot org
@ 2008-07-27 11:47 ` burnus at gcc dot gnu dot org
11 siblings, 0 replies; 13+ messages in thread
From: burnus at gcc dot gnu dot org @ 2008-07-27 11:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #12 from burnus at gcc dot gnu dot org 2008-07-27 11:47 -------
FIXED on the trunk and on the 4.3 branch. Thanks for the bug report.
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36132
^ permalink raw reply [flat|nested] 13+ messages in thread
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2008-05-05 13:25 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
2008-05-05 13:46 ` burnus at gcc dot gnu dot org
2008-05-05 15:29 ` [Bug fortran/36132] " jv244 at cam dot ac dot uk
2008-05-05 18:58 ` [Bug fortran/36132] _gfortran_internal_pack on optional arguments tkoenig at gcc dot gnu dot org
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