atomic_intrin.hpp

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//==-------- atomic_intrin.hpp - Atomic intrinsic definition file ----------==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#pragma once
 
 
#include <CL/sycl/exception.hpp>
 
// This function implements atomic update of pre-existing variable in the
// absense of C++ 20's atomic_ref.
template <typename Ty> Ty atomic_add_fetch(Ty *ptr, Ty val) {
#ifdef _WIN32
  // TODO: Windows will be supported soon
  __ESIMD_UNSUPPORTED_ON_HOST;
#else
  return __atomic_add_fetch(ptr, val, __ATOMIC_RELAXED);
#endif
}