52ef78f492
See tdf#42949 for motivation Change-Id: I109fa07d52721fd10354de07a2ed995ffa2f27c5 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132369 Tested-by: Jenkins Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <tools/simdsupport.hxx>
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#include <stdlib.h>
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#include "test_cpu_runtime_detection_x86_checks.hxx"
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/* WARNING: This file is compiled with SSE2 support, don't call
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* any function without checking cpuid to check the CPU can actually
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* handle it, and don't include any headers that contain templates
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* or inline functions, which includes cppunit.
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*/
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#ifdef LO_SSE2_AVAILABLE
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#define CPPUNIT_ASSERT_EQUAL(a, b) ((a) == (b) ? (void)0 : abort())
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#endif
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void CpuRuntimeDetectionX86Checks::checkSSE2()
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{
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#ifdef LO_SSE2_AVAILABLE
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// Try some SSE2 intrinsics calculation
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__m128i a = _mm_set1_epi32(15);
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__m128i b = _mm_set1_epi32(15);
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__m128i c = _mm_xor_si128(a, b);
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// Check zero
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CPPUNIT_ASSERT_EQUAL(0xFFFF, _mm_movemask_epi8(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
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#endif
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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