From 94ed7c81e6c20ea069cfc37adce7b45dad91691c Mon Sep 17 00:00:00 2001
From: Konstantinos Margaritis <markos@freevec.org>
Date: Wed, 22 Oct 2014 06:15:18 -0400
Subject: [PATCH] Bug #896: Swap order of checking __VSX__/__ALTIVEC__

---
 Eigen/Core | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Eigen/Core b/Eigen/Core
index adab50b4a..748e20f8e 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -162,18 +162,18 @@
         #endif
       #endif
     } // end extern "C"
-  #elif defined __ALTIVEC__
+  #elif defined __VSX__
     #define EIGEN_VECTORIZE
-    #define EIGEN_VECTORIZE_ALTIVEC
+    #define EIGEN_VECTORIZE_VSX
     #include <altivec.h>
     // We need to #undef all these ugly tokens defined in <altivec.h>
     // => use __vector instead of vector
     #undef bool
     #undef vector
     #undef pixel
-  #elif defined __VSX__
+  #elif defined __ALTIVEC__
     #define EIGEN_VECTORIZE
-    #define EIGEN_VECTORIZE_VSX
+    #define EIGEN_VECTORIZE_ALTIVEC
     #include <altivec.h>
     // We need to #undef all these ugly tokens defined in <altivec.h>
     // => use __vector instead of vector