diff --git a/libretro-common/include/math/fxp.h b/libretro-common/include/math/fxp.h
new file mode 100644
index 0000000000..f6717754fc
--- /dev/null
+++ b/libretro-common/include/math/fxp.h
@@ -0,0 +1,62 @@
+/* Copyright  (C) 2010-2016 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------
+ * The following license statement only applies to this file (fxp.h).
+ * ---------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __LIBRETRO_SDK_MATH_FXP_H__
+#define __LIBRETRO_SDK_MATH_FXP_H__
+
+#include <stdint.h>
+
+#ifdef _MSC_VER
+#include <intrin.h>
+#endif
+
+#include <retro_inline.h>
+
+static INLINE int64_t fx32_mul(const int32_t a, const int32_t b)
+{
+#ifdef _MSC_VER
+   return __emul(a, b);
+#else
+   return ((int64_t)a) * ((int64_t)b);
+#endif
+}
+
+static INLINE int32_t fx32_shiftdown(const int64_t a)
+{
+#ifdef _MSC_VER
+	return (int32_t)__ll_rshift(a, 12);
+#else
+	return (int32_t)(a >> 12);
+#endif
+}
+
+static INLINE int64_t fx32_shiftup(const int32_t a)
+{
+#ifdef _MSC_VER
+	return __ll_lshift(a, 12);
+#else
+	return ((int64_t)a) << 12;
+#endif
+}
+
+#endif
+