From c7eaca50a04cdec8743ef6f0ca98c59d8df56941 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Mon, 17 Jan 2011 11:17:45 -0500
Subject: [PATCH] __cpuidex is not (always) present in VS 2008 + SP1, it seems

---
 Eigen/src/Core/util/Memory.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h
index b139d1831..9f95d5bc7 100644
--- a/Eigen/src/Core/util/Memory.h
+++ b/Eigen/src/Core/util/Memory.h
@@ -608,7 +608,7 @@ public:
        __asm__ __volatile__ ("cpuid": "=a" (abcd[0]), "=b" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "a" (func), "c" (id) );
 #  endif
 #elif defined(_MSC_VER)
-#  if (_MSC_VER > 1500) /* newer than MSVC++ 9.0 */ || (_MSC_VER == 1500 && _MSC_FULL_VER >= 150030729) /* MSVC++ 9.0 with SP1*/
+#  if (_MSC_VER > 1500)
 #    define EIGEN_CPUID(abcd,func,id) __cpuidex((int*)abcd,func,id)
 #  endif
 #endif