forked from openkylin/vc
67 lines
3.2 KiB
C++
67 lines
3.2 KiB
C++
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/* This file is part of the Vc library. {{{
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Copyright © 2013-2015 Matthias Kretz <kretz@kde.org>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of contributing organizations nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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}}}*/
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#include "unittest.h"
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TEST(testCompiledImplementation) { VERIFY(Vc::currentImplementationSupported()); }
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TEST(testIsSupported)
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{
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using Vc::CpuId;
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VERIFY(Vc::isImplementationSupported(Vc::ScalarImpl));
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COMPARE(Vc::isImplementationSupported(Vc::SSE2Impl ), CpuId::hasSse2());
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COMPARE(Vc::isImplementationSupported(Vc::SSE3Impl ), CpuId::hasSse3());
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COMPARE(Vc::isImplementationSupported(Vc::SSSE3Impl), CpuId::hasSsse3());
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COMPARE(Vc::isImplementationSupported(Vc::SSE41Impl), CpuId::hasSse41());
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COMPARE(Vc::isImplementationSupported(Vc::SSE42Impl), CpuId::hasSse42());
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COMPARE(Vc::isImplementationSupported(Vc::AVXImpl ), CpuId::hasOsxsave() && CpuId::hasAvx());
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COMPARE(Vc::isImplementationSupported(Vc::AVX2Impl ), CpuId::hasOsxsave() && CpuId::hasAvx2());
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}
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TEST(testBestImplementation)
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{
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// when building with a recent and fully featured compiler the following should pass
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// but - old GCC versions have to fall back to Scalar, even though SSE is supported by the CPU
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// - ICC/MSVC can't use XOP/FMA4
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COMPARE(Vc::bestImplementationSupported(), Vc::CurrentImplementation::current());
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}
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TEST(testExtraInstructions)
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{
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using Vc::CpuId;
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unsigned int extra = Vc::extraInstructionsSupported();
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COMPARE(!(extra & Vc::Float16cInstructions), !CpuId::hasF16c());
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COMPARE(!(extra & Vc::XopInstructions), !CpuId::hasXop());
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COMPARE(!(extra & Vc::Fma4Instructions), !CpuId::hasFma4());
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COMPARE(!(extra & Vc::PopcntInstructions), !CpuId::hasPopcnt());
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COMPARE(!(extra & Vc::Sse4aInstructions), !CpuId::hasSse4a());
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COMPARE(!(extra & Vc::FmaInstructions), !CpuId::hasFma());
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COMPARE(!(extra & Vc::Bmi2Instructions), !CpuId::hasBmi2());
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}
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// vim: foldmethod=marker
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