/*
    Copyright 2005-2013 Intel Corporation.  All Rights Reserved.

    This file is part of Threading Building Blocks.

    Threading Building Blocks is free software; you can redistribute it
    and/or modify it under the terms of the GNU General Public License
    version 2 as published by the Free Software Foundation.

    Threading Building Blocks 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.

    You should have received a copy of the GNU General Public License
    along with Threading Building Blocks; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    As a special exception, you may use this file as part of a free software
    library without restriction.  Specifically, if other files instantiate
    templates or use macros or inline functions from this file, or you compile
    this file and link it with other files to produce an executable, this
    file does not by itself cause the resulting executable to be covered by
    the GNU General Public License.  This exception does not however
    invalidate any other reasons why the executable file might be covered by
    the GNU General Public License.
*/

#ifndef __TBB_mic_common_H
#define __TBB_mic_common_H

#ifndef __TBB_machine_H
#error Do not #include this internal file directly; use public TBB headers instead.
#endif

#if ! __TBB_DEFINE_MIC
    #error mic_common.h should be included only when building for Intel(R) Many Integrated Core Architecture
#endif

#ifndef __TBB_PREFETCHING
#define __TBB_PREFETCHING 1
#endif
#if __TBB_PREFETCHING
#include <immintrin.h>
#define __TBB_cl_prefetch(p) _mm_prefetch((const char*)p, _MM_HINT_T1)
#define __TBB_cl_evict(p) _mm_clevict(p, _MM_HINT_T1)
#endif

/** Intel(R) Many Integrated Core Architecture does not support mfence and pause instructions **/
#define __TBB_full_memory_fence() __asm__ __volatile__("lock; addl $0,(%%rsp)":::"memory")
#define __TBB_Pause(x) _mm_delay_32(16*(x))
#define __TBB_STEALING_PAUSE 1500/16
#include <sched.h>
#define __TBB_Yield() sched_yield()

/** FPU control setting **/
#define __TBB_CPU_CTL_ENV_PRESENT 0

/** Specifics **/
#define __TBB_STEALING_ABORT_ON_CONTENTION 1
#define __TBB_YIELD2P 1
#define __TBB_HOARD_NONLOCAL_TASKS 1

#if ! ( __FreeBSD__ || __linux__ )
    #error Intel(R) Many Integrated Core Compiler does not define __FreeBSD__ or __linux__ anymore. Check for the __TBB_XXX_BROKEN defined under __FreeBSD__ or __linux__.
#endif /* ! ( __FreeBSD__ || __linux__ ) */

#endif /* __TBB_mic_common_H */
