forked from amazingfate/loongoffice
613213240a
Change-Id: I6f02d9607405e144727f925c8f8a1de6041688b9 Reviewed-on: https://gerrit.libreoffice.org/29844 Reviewed-by: Stephan Bergmann <sbergman@redhat.com> Tested-by: Stephan Bergmann <sbergman@redhat.com>
56 lines
981 B
C++
56 lines
981 B
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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*/
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#include <tools/cpuid.hxx>
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#include <cstdint>
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namespace tools
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{
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namespace cpuid
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{
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#if defined(LO_SSE2_AVAILABLE)
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namespace
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{
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#if defined(_MSC_VER)
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#include <intrin.h>
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void getCpuId(uint32_t array[4])
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{
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__cpuid(reinterpret_cast<int*>(array), 1);
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}
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#else
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#include <cpuid.h>
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void getCpuId(uint32_t array[4])
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{
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__get_cpuid(1, array + 0, array + 1, array + 2, array + 3);
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}
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#endif
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}
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bool hasSSE2()
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{
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uint32_t cpuInfoArray[] = {0, 0, 0, 0};
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getCpuId(cpuInfoArray);
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return (cpuInfoArray[3] & (1 << 26)) != 0;
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}
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#else
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bool hasSSE2() { return false; }
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#endif
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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