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/*
* Copyright (C) 2020-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/utilities/cpuintrinsics.h"
#include "gtest/gtest.h"
#include <atomic>
#include <cstdint>
namespace CpuIntrinsicsTests {
extern std::atomic<uintptr_t> lastClFlushedPtr;
extern std::atomic<uint32_t> pauseCounter;
extern std::atomic<uint32_t> sfenceCounter;
} // namespace CpuIntrinsicsTests
TEST(CpuIntrinsicsTest, whenClFlushIsCalledThenExpectToPassPtrToSystemCall) {
uintptr_t flushAddr = 0x1234;
void const *ptr = reinterpret_cast<void const *>(flushAddr);
NEO::CpuIntrinsics::clFlush(ptr);
EXPECT_EQ(flushAddr, CpuIntrinsicsTests::lastClFlushedPtr);
}
TEST(CpuIntrinsicsTest, whenPauseCalledThenExpectToIncreaseCounter) {
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
NEO::CpuIntrinsics::pause();
EXPECT_EQ(oldCount + 1, CpuIntrinsicsTests::pauseCounter);
}
TEST(CpuIntrinsicsTest, whenSfenceCalledThenExpectToIncreaseCounter) {
uint32_t oldCount = CpuIntrinsicsTests::sfenceCounter.load();
NEO::CpuIntrinsics::sfence();
EXPECT_EQ(oldCount + 1, CpuIntrinsicsTests::sfenceCounter);
}
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