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[gomp4,6/8] libgomp: provide stub bar.h on nvptx

Message ID 1443028942-4081-7-git-send-email-amonakov@ispras.ru
State New
Headers show

Commit Message

Alexander Monakov Sept. 23, 2015, 5:22 p.m. UTC 
This stub header only provides empty struct gomp_barrier_t.  For now I've
punted on providing a minimally-correct implementation.

	* config/nvptx/bar.h: New file.
---
 libgomp/config/nvptx/bar.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 libgomp/config/nvptx/bar.h

Comments

Jakub Jelinek Sept. 24, 2015, 7:33 a.m. UTC | #1 
On Wed, Sep 23, 2015 at 08:22:20PM +0300, Alexander Monakov wrote:
> This stub header only provides empty struct gomp_barrier_t.  For now I've
> punted on providing a minimally-correct implementation.
> 
> 	* config/nvptx/bar.h: New file.
> ---
>  libgomp/config/nvptx/bar.h | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
>  create mode 100644 libgomp/config/nvptx/bar.h

Ok (barrier is complicated by the need to handle explicit tasks and
cancellation), so it will not be just bar.sync insn alone (bet bar.arrive
followed by task handling/cancellation checking and finally bar.sync or
so?).

	Jakub
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Patch

diff --git a/libgomp/config/nvptx/bar.h b/libgomp/config/nvptx/bar.h
new file mode 100644
index 0000000..009d85f
--- /dev/null
+++ b/libgomp/config/nvptx/bar.h
@@ -0,0 +1,38 @@ 
+/* Copyright (C) 2015 Free Software Foundation, Inc.
+
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+
+   Libgomp is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+   more details.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This is an NVPTX specific implementation of a barrier synchronization
+   mechanism for libgomp.  This type is private to the library.  This
+   implementation is a stub, for now.  */
+
+#ifndef GOMP_BARRIER_H
+#define GOMP_BARRIER_H 1
+
+typedef struct
+{
+} gomp_barrier_t;
+
+typedef unsigned int gomp_barrier_state_t;
+
+#endif /* GOMP_BARRIER_H */