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* [Bug fortran/34262] New: MVBITS does not work for arrays
@ 2007-11-28 12:21 phl at kth dot se
2007-11-28 14:09 ` [Bug fortran/34262] " burnus at gcc dot gnu dot org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: phl at kth dot se @ 2007-11-28 12:21 UTC (permalink / raw)
To: gcc-bugs
hades [TEST] cat bug-mvbits.f90
program main
implicit none
integer :: a( 1 ), b( 1 )
integer :: x, y
a = 1
b = 0
x = 1
y = 0
call mvbits (a, 0, 1, b, 1)
call mvbits (x, 0, 1, y, 1)
write (*, *) 'a: ', a
write (*, *) 'x: ', x
write (*, *)
write (*, *) 'b: ', b
write (*, *) 'y: ', y
write (*, *)
if ( all (b == y) ) then
write (*, *) 'GOOD: b == y'
else
write (*, *) 'BAD: b /= y'
end if
end program main
hades [TEST] ./a.out
a: 1
x: 1
b: 0
y: 2
BAD: b /= y
hades [TEST] gfortran --version
GNU Fortran (GCC) 4.2.1 (Ubuntu 4.2.1-5ubuntu4)
Copyright (C) 2007 Free Software Foundation, Inc.
It does not work for MacOS PowerPC either, same output. The version
I used ton my Mac was:
epsilon [TEST] gfortran --version
GNU Fortran (GCC) 4.3.0 20071017 (experimental) [trunk revision 129405]
Copyright (C) 2007 Free Software Foundation, Inc.
--
Summary: MVBITS does not work for arrays
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: phl at kth dot se
GCC build triplet: ?
GCC host triplet: ?
GCC target triplet: ?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34262
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/34262] MVBITS does not work for arrays
2007-11-28 12:21 [Bug fortran/34262] New: MVBITS does not work for arrays phl at kth dot se
@ 2007-11-28 14:09 ` burnus at gcc dot gnu dot org
2007-11-28 14:21 ` burnus at gcc dot gnu dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: burnus at gcc dot gnu dot org @ 2007-11-28 14:09 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from burnus at gcc dot gnu dot org 2007-11-28 14:09 -------
For a scalars x and y:
_gfortran_mvbits_i4 (&x, &C.860, &C.861, &y, &C.862);
for an arrays a and b:
_gfortran_mvbits_i4 (&parm.2, &C.872, &C.873, &parm.3, &C.875);
It actually does not surprise me that this does not work if one replaces the
integer variable by a "struct array1_integer(kind=4)".
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
OtherBugsDependingO| |32834
nThis| |
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |wrong-code
Last reconfirmed|0000-00-00 00:00:00 |2007-11-28 14:09:34
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34262
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/34262] MVBITS does not work for arrays
2007-11-28 12:21 [Bug fortran/34262] New: MVBITS does not work for arrays phl at kth dot se
2007-11-28 14:09 ` [Bug fortran/34262] " burnus at gcc dot gnu dot org
@ 2007-11-28 14:21 ` burnus at gcc dot gnu dot org
2007-11-29 14:57 ` burnus at gcc dot gnu dot org
2007-11-29 15:00 ` burnus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: burnus at gcc dot gnu dot org @ 2007-11-28 14:21 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from burnus at gcc dot gnu dot org 2007-11-28 14:20 -------
The following fixes it, but I need to check for unwanted side effects:
Index: intrinsic.c
===================================================================
--- intrinsic.c (revision 130489)
+++ intrinsic.c (working copy)
@@ -104,6 +104,7 @@ gfc_get_intrinsic_sub_symbol (const char
gfc_symbol *sym;
gfc_get_symbol (name, gfc_intrinsic_namespace, &sym);
+ sym->attr.elemental = 1;
sym->attr.always_explicit = 1;
sym->attr.subroutine = 1;
sym->attr.flavor = FL_PROCEDURE;
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |burnus at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
GCC build triplet|? |
GCC host triplet|? |
GCC target triplet|? |
Last reconfirmed|2007-11-28 14:09:34 |2007-11-28 14:20:53
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34262
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/34262] MVBITS does not work for arrays
2007-11-28 12:21 [Bug fortran/34262] New: MVBITS does not work for arrays phl at kth dot se
2007-11-28 14:09 ` [Bug fortran/34262] " burnus at gcc dot gnu dot org
2007-11-28 14:21 ` burnus at gcc dot gnu dot org
@ 2007-11-29 14:57 ` burnus at gcc dot gnu dot org
2007-11-29 15:00 ` burnus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: burnus at gcc dot gnu dot org @ 2007-11-29 14:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from burnus at gcc dot gnu dot org 2007-11-29 14:57 -------
Subject: Bug 34262
Author: burnus
Date: Thu Nov 29 14:56:48 2007
New Revision: 130513
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130513
Log:
2007-11-29 Tobias Burnus <burnus@net-b.de>
PR fortran/34262
* intrinsic.c (gfc_get_intrinsic_sub_symbol): Add comment.
(gfc_intrinsic_sub_interface): Copy elemental state if needed.
* iresolve.c (gfc_resolve_mvbits): Mark procedure as elemental.
2007-11-29 Tobias Burnus <burnus@net-b.de>
PR fortran/34262
* gfortran.dg/mvbits_3.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/mvbits_3.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/intrinsic.c
trunk/gcc/fortran/iresolve.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34262
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug fortran/34262] MVBITS does not work for arrays
2007-11-28 12:21 [Bug fortran/34262] New: MVBITS does not work for arrays phl at kth dot se
` (2 preceding siblings ...)
2007-11-29 14:57 ` burnus at gcc dot gnu dot org
@ 2007-11-29 15:00 ` burnus at gcc dot gnu dot org
3 siblings, 0 replies; 5+ messages in thread
From: burnus at gcc dot gnu dot org @ 2007-11-29 15:00 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from burnus at gcc dot gnu dot org 2007-11-29 15:00 -------
Fixed on the trunk (4.3.0). I do not intent to backport the patch to 4.2.x and
4.1.x, but I can be convinced to do so.
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34262
^ permalink raw reply [flat|nested] 5+ messages in thread
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2007-11-28 12:21 [Bug fortran/34262] New: MVBITS does not work for arrays phl at kth dot se
2007-11-28 14:09 ` [Bug fortran/34262] " burnus at gcc dot gnu dot org
2007-11-28 14:21 ` burnus at gcc dot gnu dot org
2007-11-29 14:57 ` burnus at gcc dot gnu dot org
2007-11-29 15:00 ` burnus at gcc dot gnu dot org
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