office-gobmx/tools/qa/cppunit/test_cpu_runtime_detection_AVX2_check.cxx
Stephan Bergmann d9bc3affb5 -Werror,-Wunused-macros
(when e.g. building natively on macOS ARM64)

Change-Id: Ibff6f913a6251573058c52a8b4106233fad1d443
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124322
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2021-10-28 15:48:06 +02:00

56 lines
1.8 KiB
C++

/* -*- 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: */