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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/25829] [F2003] Asynchronous IO support
Date: Fri, 04 Mar 2011 18:08:00 -0000 [thread overview]
Message-ID: <bug-25829-4-OyCjMa4UQL@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-25829-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25829
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |burnus at gcc dot gnu.org
--- Comment #19 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-03-04 18:08:14 UTC ---
(In reply to comment #16)
> subroutine finish(var, wait)
> asynchronous :: var
> wait(wait)
> var = 7
> end subroutine finish
>
> Here, the ME might be tempted to change the order of WAIT and "var = 7"; thus
> in this case we probably need to tell the ME about the ASYNCHRONOUS attribute.
A brute-force method would be to add a __sync_synchronize
(BUILT_IN_SYNCHRONIZE) call after the WAIT. But maybe one finds a better way
which restricts the barrier to only "var" (and other asynchronous variables)
without influencing unrelated variables.
next parent reply other threads:[~2011-03-04 18:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-25829-4@http.gcc.gnu.org/bugzilla/>
2011-03-04 18:08 ` burnus at gcc dot gnu.org [this message]
2011-03-04 18:12 ` jakub at gcc dot gnu.org
2011-04-15 9:11 ` burnus at gcc dot gnu.org
2011-07-13 9:25 ` burnus at gcc dot gnu.org
2011-07-13 13:16 ` burnus at gcc dot gnu.org
2006-01-17 21:53 [Bug fortran/25829] New: " jb at gcc dot gnu dot org
2006-01-17 23:33 ` [Bug fortran/25829] " pinskia at gcc dot gnu dot org
2008-02-17 1:20 ` jvdelisle at gcc dot gnu dot org
2008-02-17 5:02 ` jvdelisle at gcc dot gnu dot org
2008-02-23 16:49 ` jvdelisle at gcc dot gnu dot org
2008-04-05 22:19 ` jvdelisle at gcc dot gnu dot org
2008-04-05 22:24 ` jvdelisle at gcc dot gnu dot org
2008-04-05 22:35 ` jvdelisle at gcc dot gnu dot org
2008-04-07 22:07 ` jvdelisle at gcc dot gnu dot org
2008-04-07 22:09 ` jvdelisle at gcc dot gnu dot org
2008-04-07 22:12 ` jvdelisle at gcc dot gnu dot org
2009-04-10 21:23 ` dfranke at gcc dot gnu dot org
2009-04-11 15:26 ` jvdelisle at gcc dot gnu dot org
2009-10-28 22:03 ` jb at gcc dot gnu dot org
2009-12-11 22:28 ` burnus at gcc dot gnu dot org
2009-12-11 22:29 ` burnus at gcc dot gnu dot org
2010-01-08 10:11 ` burnus at gcc dot gnu dot org
2010-01-08 10:42 ` burnus at gcc dot gnu dot org
2010-07-13 17:34 ` burnus at gcc dot gnu dot org
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