Common: Move SSE detection ifdefs to platform.h

1 files changed, 19 insertions, 0 deletions

diff --git a/src/common/platform.h b/src/common/platform.h
index fc680d549..1516dc88a 100644
--- a/src/common/platform.h
+++ b/src/common/platform.h
@@ -64,6 +64,25 @@
 #endif
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
+// Feature detection
+
+#if defined _M_GENERIC
+#  define _M_SSE 0x0
+#elif defined __GNUC__
+# if defined __SSE4_2__
+#  define _M_SSE 0x402
+# elif defined __SSE4_1__
+#  define _M_SSE 0x401
+# elif defined __SSSE3__
+#  define _M_SSE 0x301
+# elif defined __SSE3__
+#  define _M_SSE 0x300
+# endif
+#elif (_MSC_VER >= 1500) || __INTEL_COMPILER // Visual Studio 2008
+#  define _M_SSE 0x402
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
 // Compiler-Specific Definitions
 
 #define GCC_VERSION_AVAILABLE(major, minor) (defined(__GNUC__) &&  (__GNUC__ > (major) || \