text: /*
   * Adopted from jemalloc with this license:
   *
   * Copyright (C) 2002-2013 Jason Evans <jasone@canonware.com>.
   * All rights reserved.
   * Copyright (C) 2007-2012 Mozilla Foundation.  All rights reserved.
   * Copyright (C) 2009-2013 Facebook, Inc.  All rights reserved.
  
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * 1. Redistributions of source code must retain the above copyright notice(s),
   *    this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice(s),
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
  
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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(S) 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.
   */
  
  #ifndef __ATOMIC_OPS_MSVC_H__
  #define __ATOMIC_OPS_MSVC_H__
  
  #include "atomic_ops_utils.h"
  
  #define NOGDI
  #ifndef NOMINMAX
  #  define NOMINMAX
  #endif
  #define WIN32_LEAN_AND_MEAN
  
  #include <intrin.h>
  #include <windows.h>
  
  #if defined(__clang__)
  #  pragma GCC diagnostic push
  #  pragma GCC diagnostic ignored "-Wincompatible-pointer-types"
  #endif
  
  /* 64-bit operations. */
  /* Unsigned */
  ATOMIC_INLINE uint64_t atomic_add_and_fetch_uint64(uint64_t *p, uint64_t x)
  {
    return InterlockedExchangeAdd64((int64_t *)p, (int64_t)x) + x;
  }
  
  ATOMIC_INLINE uint64_t atomic_sub_and_fetch_uint64(uint64_t *p, uint64_t x)
  {
    return InterlockedExchangeAdd64((int64_t *)p, -((int64_t)x)) - x;
  }
  
  ATOMIC_INLINE uint64_t atomic_cas_uint64(uint64_t *v, uint64_t old, uint64_t _new)
  {
    return InterlockedCompareExchange64((int64_t *)v, _new, old);
  }
  
  ATOMIC_INLINE uint64_t atomic_fetch_and_add_uint64(uint64_t *p, uint64_t x)
  {
    return InterlockedExchangeAdd64((int64_t *)p, (int64_t)x);
  }
  
  ATOMIC_INLINE uint64_t atomic_fetch_and_sub_uint64(uint64_t *p, uint64_t x)
  {
    return InterlockedExchangeAdd64((int64_t *)p, -((int64_t)x));
  }
  
  /* Signed */
  ATOMIC_INLINE int64_t atomic_add_and_fetch_int64(int64_t *p, int64_t x)
  {
    return InterlockedExchangeAdd64(p, x) + x;
  }
  
  ATOMIC_INLINE int64_t atomic_sub_and_fetch_int64(int64_t *p, int64_t x)
  {
    return InterlockedExchangeAdd64(p, -x) - x;
  }
  
  ATOMIC_INLINE int64_t atomic_cas_int64(int64_t *v, int64_t old, int64_t _new)
  {
    return InterlockedCompareExchange64(v, _new, old);
  }
  
  ATOMIC_INLINE int64_t atomic_fetch_and_add_int64(int64_t *p, int64_t x)
  {
    return InterlockedExchangeAdd64(p, x);
  }
  
  ATOMIC_INLINE int64_t atomic_fetch_and_sub_int64(int64_t *p, int64_t x)
  {
    return InterlockedExchangeAdd64(p, -x);
  }
  
  /******************************************************************************/
  /* 32-bit operations. */
  /* Unsigned */
  ATOMIC_INLINE uint32_t atomic_add_and_fetch_uint32(uint32_t *p, uint32_t x)
  {
    return InterlockedExchangeAdd(p, x) + x;
  }
  
  ATOMIC_INLINE uint32_t atomic_sub_and_fetch_uint32(uint32_t *p, uint32_t x)
  {
    return InterlockedExchangeAdd(p, -((int32_t)x)) - x;
  }
  
  ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _new)
  {
    return InterlockedCompareExchange((long *)v, _new, old);
  }
  
  ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x)
  {
    return InterlockedExchangeAdd(p, x);
  }
  
  ATOMIC_INLINE uint32_t atomic_fetch_and_or_uint32(uint32_t *p, uint32_t x)
  {
    return InterlockedOr((long *)p, x);
  }
  
  ATOMIC_INLINE uint32_t atomic_fetch_and_and_uint32(uint32_t *p, uint32_t x)
  {
    return InterlockedAnd((long *)p, x);
  }
  
  /* Signed */
  ATOMIC_INLINE int32_t atomic_add_and_fetch_int32(int32_t *p, int32_t x)
  {
    return InterlockedExchangeAdd((long *)p, x) + x;
  }
  
  ATOMIC_INLINE int32_t atomic_sub_and_fetch_int32(int32_t *p, int32_t x)
  {
    return InterlockedExchangeAdd((long *)p, -x) - x;
  }
  
  ATOMIC_INLINE int32_t atomic_cas_int32(int32_t *v, int32_t old, int32_t _new)
  {
    return InterlockedCompareExchange((long *)v, _new, old);
  }
  
  ATOMIC_INLINE int32_t atomic_fetch_and_add_int32(int32_t *p, int32_t x)
  {
    return InterlockedExchangeAdd((long *)p, x);
  }
  
  ATOMIC_INLINE int32_t atomic_fetch_and_or_int32(int32_t *p, int32_t x)
  {
    return InterlockedOr((long *)p, x);
  }
  
  ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x)
  {
    return InterlockedAnd((long *)p, x);
  }
  
  /******************************************************************************/
  /* 8-bit operations. */
  
  /* Unsigned */
  #pragma intrinsic(_InterlockedAnd8)
  ATOMIC_INLINE uint8_t atomic_fetch_and_and_uint8(uint8_t *p, uint8_t b)
  {
  #if (LG_SIZEOF_PTR == 8 || LG_SIZEOF_INT == 8)
    return InterlockedAnd8((char *)p, (char)b);
  #else
    return _InterlockedAnd8((char *)p, (char)b);
  #endif
  }
  
  #pragma intrinsic(_InterlockedOr8)
  ATOMIC_INLINE uint8_t atomic_fetch_and_or_uint8(uint8_t *p, uint8_t b)
  {
  #if (LG_SIZEOF_PTR == 8 || LG_SIZEOF_INT == 8)
    return InterlockedOr8((char *)p, (char)b);
  #else
    return _InterlockedOr8((char *)p, (char)b);
  #endif
  }
  
  /* Signed */
  #pragma intrinsic(_InterlockedAnd8)
  ATOMIC_INLINE int8_t atomic_fetch_and_and_int8(int8_t *p, int8_t b)
  {
  #if (LG_SIZEOF_PTR == 8 || LG_SIZEOF_INT == 8)
    return InterlockedAnd8((char *)p, (char)b);
  #else
    return _InterlockedAnd8((char *)p, (char)b);
  #endif
  }
  
  #pragma intrinsic(_InterlockedOr8)
  ATOMIC_INLINE int8_t atomic_fetch_and_or_int8(int8_t *p, int8_t b)
  {
  #if (LG_SIZEOF_PTR == 8 || LG_SIZEOF_INT == 8)
    return InterlockedOr8((char *)p, (char)b);
  #else
    return _InterlockedOr8((char *)p, (char)b);
  #endif
  }
  
  #if defined(__clang__)
  #  pragma GCC diagnostic pop
  #endif
  
  #endif /* __ATOMIC_OPS_MSVC_H__ */
  