1 files changed, 44 insertions, 0 deletions
diff --git a/src/include/cpu_features.hpp b/src/include/cpu_features.hpp
new file mode 100644
index 0000000..4bdee9c
--- /dev/null
+++ b/src/include/cpu_features.hpp
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_ORCUS_DETAIL_CPU_FEATURES_HPP
+#define INCLUDED_ORCUS_DETAIL_CPU_FEATURES_HPP
+
+namespace orcus { namespace detail { namespace cpu {
+
+#ifdef __ORCUS_CPU_FEATURES
+
+constexpr bool has_sse42()
+{
+#if defined(__SSE4_2__) || defined(__AVX2__)
+    return true;
+#else
+    return false;
+#endif
+}
+
+constexpr bool has_avx2()
+{
+#ifdef __AVX2__
+    return true;
+#else
+    return false;
+#endif
+}
+
+#else
+
+constexpr bool has_sse42() { return false; }
+constexpr bool has_avx2() { return false; }
+
+#endif
+
+}}}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */