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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <tools/simdsupport.hxx>
#ifdef LO_SSE2_AVAILABLE
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>
#include <tools/cpuid.hxx>
namespace
{
class CpuRuntimeDetection_SSE2 : public CppUnit::TestFixture
{
public:
void checkSSE2();
void testCpuRuntimeDetection();
CPPUNIT_TEST_SUITE(CpuRuntimeDetection_SSE2);
CPPUNIT_TEST(testCpuRuntimeDetection);
CPPUNIT_TEST_SUITE_END();
};
void CpuRuntimeDetection_SSE2::testCpuRuntimeDetection()
{
// can only run if this function if CPU supports SSE2
if (cpuid::isCpuInstructionSetSupported(cpuid::InstructionSetFlags::SSE2))
checkSSE2();
}
void CpuRuntimeDetection_SSE2::checkSSE2()
{
// Try some SSE2 intrinsics calculation
__m128i a = _mm_set1_epi32(15);
__m128i b = _mm_set1_epi32(15);
__m128i c = _mm_xor_si128(a, b);
// Check zero
CPPUNIT_ASSERT_EQUAL(0xFFFF, _mm_movemask_epi8(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
}
CPPUNIT_TEST_SUITE_REGISTRATION(CpuRuntimeDetection_SSE2);
} // end anonymous namespace
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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