* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
@ 2008-11-14 8:52 ` jv244 at cam dot ac dot uk
2008-11-18 20:02 ` pault at gcc dot gnu dot org
` (8 subsequent siblings)
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From: jv244 at cam dot ac dot uk @ 2008-11-14 8:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from jv244 at cam dot ac dot uk 2008-11-14 08:50 -------
that might be an even simpler case:
SUBROUTINE S(a,i,j)
INTEGER, POINTER, DIMENSION(:) :: a
INTEGER, DIMENSION(:), ALLOCATABLE :: b
INTEGER :: i,j
ALLOCATE(b(10))
b(i:j)=a(i:j)
END SUBROUTINE S
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
2008-11-14 8:52 ` [Bug fortran/38112] " jv244 at cam dot ac dot uk
@ 2008-11-18 20:02 ` pault at gcc dot gnu dot org
2010-02-22 5:49 ` pault at gcc dot gnu dot org
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From: pault at gcc dot gnu dot org @ 2008-11-18 20:02 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from pault at gcc dot gnu dot org 2008-11-18 20:00 -------
Nice catch!
Thanks
Paul
--
pault at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-11-18 20:00:54
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
2008-11-14 8:52 ` [Bug fortran/38112] " jv244 at cam dot ac dot uk
2008-11-18 20:02 ` pault at gcc dot gnu dot org
@ 2010-02-22 5:49 ` pault at gcc dot gnu dot org
2010-02-22 8:58 ` burnus at gcc dot gnu dot org
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From: pault at gcc dot gnu dot org @ 2010-02-22 5:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from pault at gcc dot gnu dot org 2010-02-22 05:48 -------
Fixed on trunk. Thanks for reportimg the problem, Joost.
Paul
--
pault at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (2 preceding siblings ...)
2010-02-22 5:49 ` pault at gcc dot gnu dot org
@ 2010-02-22 8:58 ` burnus at gcc dot gnu dot org
2010-02-22 9:06 ` paul dot richard dot thomas at gmail dot com
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From: burnus at gcc dot gnu dot org @ 2010-02-22 8:58 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from burnus at gcc dot gnu dot org 2010-02-22 08:58 -------
Paul, for the test case in comment 0 we still create a temporary:
b(a)=1
where "a" is a simple-contiguous rank-one array without target/pointer
attribute, which thus cannot alias with "b". Do you think this is fixable?
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pault at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (3 preceding siblings ...)
2010-02-22 8:58 ` burnus at gcc dot gnu dot org
@ 2010-02-22 9:06 ` paul dot richard dot thomas at gmail dot com
2010-02-23 8:45 ` burnus at gcc dot gnu dot org
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From: paul dot richard dot thomas at gmail dot com @ 2010-02-22 9:06 UTC (permalink / raw)
To: gcc-bugs
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------- Comment #5 from paul dot richard dot thomas at gmail dot com 2010-02-22 09:06 -------
Subject: Re: unneeded temporary
Tobias,
I'll take a look tonight.
Cheers
Paul
On Mon, Feb 22, 2010 at 9:58 AM, burnus at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #4 from burnus at gcc dot gnu dot org 2010-02-22 08:58 -------
> Paul, for the test case in comment 0 we still create a temporary:
>
> b(a)=1
>
> where "a" is a simple-contiguous rank-one array without target/pointer
> attribute, which thus cannot alias with "b". Do you think this is fixable?
>
>
> --
>
> burnus at gcc dot gnu dot org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> CC| |pault at gcc dot gnu dot org
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
>
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (4 preceding siblings ...)
2010-02-22 9:06 ` paul dot richard dot thomas at gmail dot com
@ 2010-02-23 8:45 ` burnus at gcc dot gnu dot org
2010-02-24 6:46 ` pault at gcc dot gnu dot org
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From: burnus at gcc dot gnu dot org @ 2010-02-23 8:45 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from burnus at gcc dot gnu dot org 2010-02-23 08:45 -------
Just to make sure it won't get forgotten: REOPEN.
(In reply to comment #4)
> Paul, for the test case in comment 0 we still create a temporary:
>
> b(a)=1
>
> where "a" is a simple-contiguous rank-one array without target/pointer
> attribute, which thus cannot alias with "b". Do you think this is fixable?
(In reply to comment #5)
> I'll take a look tonight.
--
burnus at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (5 preceding siblings ...)
2010-02-23 8:45 ` burnus at gcc dot gnu dot org
@ 2010-02-24 6:46 ` pault at gcc dot gnu dot org
2010-05-09 20:51 ` dfranke at gcc dot gnu dot org
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From: pault at gcc dot gnu dot org @ 2010-02-24 6:46 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from pault at gcc dot gnu dot org 2010-02-24 06:46 -------
(In reply to comment #6)
> Just to make sure it won't get forgotten: REOPEN.
>
> (In reply to comment #4)
> > Paul, for the test case in comment 0 we still create a temporary:
> >
> > b(a)=1
> >
Tobias,
Not if 'a' has the right KIND. Try
SUBROUTINE S(a, b)
INTEGER(8), POINTER, DIMENSION(:) :: a
INTEGER, DIMENSION(:) :: b
b(a)=1
END SUBROUTINE S
See trans-array.c:5099 - that's where the temporary is generated, when a is
default kind.
This could be fixed but, right now, I am not sure how :-(
Paul
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (6 preceding siblings ...)
2010-02-24 6:46 ` pault at gcc dot gnu dot org
@ 2010-05-09 20:51 ` dfranke at gcc dot gnu dot org
2010-05-25 20:52 ` mikael at gcc dot gnu dot org
2010-05-25 20:57 ` paul dot richard dot thomas at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: dfranke at gcc dot gnu dot org @ 2010-05-09 20:51 UTC (permalink / raw)
To: gcc-bugs
--
dfranke at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Last reconfirmed|2008-11-18 20:00:54 |2010-05-09 20:51:13
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (7 preceding siblings ...)
2010-05-09 20:51 ` dfranke at gcc dot gnu dot org
@ 2010-05-25 20:52 ` mikael at gcc dot gnu dot org
2010-05-25 20:57 ` paul dot richard dot thomas at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: mikael at gcc dot gnu dot org @ 2010-05-25 20:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from mikael at gcc dot gnu dot org 2010-05-25 20:52 -------
(In reply to comment #7)
> This could be fixed but, right now, I am not sure how :-(
It seems to be fixed now.
probably http://gcc.gnu.org/viewcvs?view=revision&revision=158632
--
mikael at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug fortran/38112] unneeded temporary
2008-11-14 8:48 [Bug fortran/38112] New: unneeded temporary jv244 at cam dot ac dot uk
` (8 preceding siblings ...)
2010-05-25 20:52 ` mikael at gcc dot gnu dot org
@ 2010-05-25 20:57 ` paul dot richard dot thomas at gmail dot com
9 siblings, 0 replies; 11+ messages in thread
From: paul dot richard dot thomas at gmail dot com @ 2010-05-25 20:57 UTC (permalink / raw)
To: gcc-bugs
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------- Comment #9 from paul dot richard dot thomas at gmail dot com 2010-05-25 20:57 -------
Subject: Re: unneeded temporary
Mikael,
Yes, I am sure that you are right about the <<un-culprit>>.
Let's close it :-)
Paul
On Tue, May 25, 2010 at 10:52 PM, mikael at gcc dot gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #8 from mikael at gcc dot gnu dot org 2010-05-25 20:52 -------
> (In reply to comment #7)
>> This could be fixed but, right now, I am not sure how :-(
>
> It seems to be fixed now.
> probably http://gcc.gnu.org/viewcvs?view=revision&revision=158632
>
>
> --
>
> mikael at gcc dot gnu dot org changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> Status|REOPENED |RESOLVED
> Resolution| |FIXED
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38112
>
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug, or are watching someone who is.
>
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