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https://github.com/crystalidea/qt6windows7.git
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39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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// Copyright (C) 2017 Intel Corporation.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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// All of our supported compilers support <immintrin.h>
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#include <immintrin.h>
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#define T(x) (QT_COMPILER_SUPPORTS_ ## x)
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#if !defined(__INTEL_COMPILER) && !defined(_MSC_VER) && !defined(NO_ATTRIBUTE)
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/* GCC requires attributes for a function */
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# define attribute_target(x) __attribute__((__target__(x)))
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#else
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# define attribute_target(x)
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#endif
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#if T(AVX512VBMI2)
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attribute_target("avx512vl,avx512vbmi2") void test_avx512vbmi2()
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{
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/* AVX512 Vector Byte Manipulation Instructions 2 */
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__m128i a = _mm_maskz_compress_epi16(-1, _mm_set1_epi16(1));
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__m128i b = _mm_shrdi_epi32(a, a, 7);
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}
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#endif
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#if T(VAES)
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// VAES does not require AVX512 and works on Alder Lake
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attribute_target("avx2,vaes") void test_vaes()
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{
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/* 256- and 512-bit AES */
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__m256i a = _mm256_set1_epi32(-1);
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__m256i b = _mm256_aesenc_epi128(a, a);
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__m256i c = _mm256_aesdec_epi128(b, a);
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}
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#endif
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int main()
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{
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return 0;
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}
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