CMake: add detection of x86 VAES and AVX512VBMI2 features

We have VAES code in qhash.cpp that isn't getting compiled right now.

Change-Id: Ibf4acec0f166495998f7fffd16d6961261dec361
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 20 insertions, 0 deletions

diff --git a/config.tests/x86_simd/main.cpp b/config.tests/x86_simd/main.cpp
index 29c8b97c12..4f51e59a55 100644
--- a/config.tests/x86_simd/main.cpp
+++ b/config.tests/x86_simd/main.cpp
@@ -264,6 +264,26 @@ attribute_target("avx512ifma") void test_avx512ifma()
 }
 #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;