be5ddbb86f
PR target/68945 Merge from upstream, version 2.0.4467.0. Fix typo in git URL. * aclocal.m4, configure, Makefile.in: Regenerate. From-SVN: r243112
65 lines
2.9 KiB
C++
65 lines
2.9 KiB
C++
/* os.h -*-C++-*-
|
|
*
|
|
*************************************************************************
|
|
*
|
|
* Copyright (C) 2009-2016, Intel Corporation
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
|
|
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* *********************************************************************
|
|
*
|
|
* PLEASE NOTE: This file is a downstream copy of a file mainitained in
|
|
* a repository at cilkplus.org. Changes made to this file that are not
|
|
* submitted through the contribution process detailed at
|
|
* http://www.cilkplus.org/submit-cilk-contribution will be lost the next
|
|
* time that a new version is released. Changes only submitted to the
|
|
* GNU compiler collection or posted to the git repository at
|
|
* https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
|
|
* not tracked.
|
|
*
|
|
* We welcome your contributions to this open source project. Thank you
|
|
* for your assistance in helping us improve Cilk Plus.
|
|
**************************************************************************/
|
|
|
|
// GCC before 4.4 does not implement __sync_synchronize properly
|
|
#define HAVE_SYNC_INTRINSICS defined(__GNUC__) && \
|
|
(__GNUC__ * 10 + __GNUC_MINOR__ >= 44)
|
|
|
|
/*
|
|
* void __cilkrts_fence(void)
|
|
*/
|
|
|
|
#if HAVE_SYNC_INTRINSICS
|
|
# define __cilkrts_fence() __sync_synchronize()
|
|
#elif defined(__GNUC__)
|
|
# define __cilkrts_fence() __asm__ volatile ("membar #StoreLoad" ::: "memory")
|
|
#else
|
|
COMMON_SYSDEP void __cilkrts_fence(void);
|
|
#endif
|