First Commit

externals/boost/libs/atomic/config/has_sse2.cpp

@@ -0,0 +1,17 @@
+/*
+ *             Copyright Andrey Semashev 2020.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          http://www.boost.org/LICENSE_1_0.txt)
+ */
+
+#include <emmintrin.h>
+
+int main(int, char*[])
+{
+    __m128i mm = _mm_setzero_si128();
+    mm = _mm_cmpeq_epi32(mm, mm);
+    mm = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(mm), _mm_castsi128_ps(mm), _MM_SHUFFLE(2, 0, 2, 0)));
+    mm = _mm_packs_epi32(mm, mm);
+    return _mm_movemask_epi8(mm);
+}