Revision control

++ // Copyright (C) 2017 Intel Corporation.
++ // SPDX-License-Identifier: BSD-3-Clause
++
++ // All of our supported compilers support <immintrin.h>
++ #include <immintrin.h>
++ #define T(x) (QT_COMPILER_SUPPORTS_ ## x)
++
++ #if !defined(__INTEL_COMPILER) && !defined(_MSC_VER) && !defined(NO_ATTRIBUTE)
++ /* GCC requires attributes for a function */
++ # define attribute_target(x) __attribute__((__target__(x)))
++ #else
++ # define attribute_target(x)
++ #endif
++
++ #if T(AVX512VBMI2)
++ attribute_target("avx512vl,avx512vbmi2") void test_avx512vbmi2()
++ {
++ /* AVX512 Vector Byte Manipulation Instructions 2 */
++ __m128i a = _mm_maskz_compress_epi16(-1, _mm_set1_epi16(1));
++ __m128i b = _mm_shrdi_epi32(a, a, 7);
++ }
++ #endif
++
++ #if T(VAES)
++ // VAES does not require AVX512 and works on Alder Lake
++ attribute_target("avx2,vaes") void test_vaes()
++ {
++ /* 256- and 512-bit AES */
++ __m256i a = _mm256_set1_epi32(-1);
++ __m256i b = _mm256_aesenc_epi128(a, a);
++ __m256i c = _mm256_aesdec_epi128(b, a);
++ }
++ #endif
++
++ int main()
++ {
++ return 0;
++ }