diff options
Diffstat (limited to 'tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx')
| -rw-r--r-- | tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx b/tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx new file mode 100644 index 000000000..7ed8495f3 --- /dev/null +++ b/tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx @@ -0,0 +1,56 @@ +/* -*- 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 <sal/types.h> +#include <tools/simdsupport.hxx> + +#include <stdlib.h> + +#include "test_cpu_runtime_detection_x86_checks.hxx" + +/* WARNING: This file is compiled with AVX2 support, don't call + * any function without checking cpuid to check the CPU can actually + * handle it, and don't include any headers that contain templates + * or inline functions, which includes cppunit. + */ +#ifdef LO_AVX2_AVAILABLE +#define CPPUNIT_ASSERT_EQUAL(a, b) ((a) == (b) ? (void)0 : abort()) +#endif + +void CpuRuntimeDetectionX86Checks::checkAVX2() +{ +#ifdef LO_AVX2_AVAILABLE + __m256i a = _mm256_set_epi64x(1, 4, 8, 3); + __m256i b = _mm256_set_epi64x(2, 1, 1, 5); + __m256i c = _mm256_xor_si256(a, b); + + sal_Int64 values[4]; + _mm256_storeu_si256(reinterpret_cast<__m256i*>(&values), c); + + CPPUNIT_ASSERT_EQUAL(sal_Int64(6), values[0]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(9), values[1]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(5), values[2]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(3), values[3]); + + __m256i d = _mm256_set_epi64x(3, 5, 1, 0); + + __m256i result = _mm256_cmpeq_epi64(d, c); + + // Compare equals + sal_Int64 compare[4]; + _mm256_storeu_si256(reinterpret_cast<__m256i*>(&compare), result); + + CPPUNIT_ASSERT_EQUAL(sal_Int64(0), compare[0]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(0), compare[1]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(-1), compare[2]); + CPPUNIT_ASSERT_EQUAL(sal_Int64(-1), compare[3]); +#endif +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |