From 9f3276981c1854d1241d4b21514f38a89347ad4f Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 6 Oct 2016 10:29:48 -0700
Subject: [PATCH] Enabling AVX512 should also enable AVX2.

---
 Eigen/Core | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Eigen/Core b/Eigen/Core
index 3fabc5a43..f5eec0e39 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -142,6 +142,7 @@
     #endif
     #ifdef __AVX512F__
       #define EIGEN_VECTORIZE_AVX512
+      #define EIGEN_VECTORIZE_AVX2
       #define EIGEN_VECTORIZE_AVX
       #define EIGEN_VECTORIZE_FMA
       #ifdef __AVX512DQ__
@@ -280,7 +281,7 @@ namespace Eigen {
 
 inline static const char *SimdInstructionSetsInUse(void) {
 #if defined(EIGEN_VECTORIZE_AVX512)
-  return "AVX512, AVX SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2";
+  return "AVX512, FMA, AVX2, AVX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2";
 #elif defined(EIGEN_VECTORIZE_AVX)
   return "AVX SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2";
 #elif defined(EIGEN_VECTORIZE_SSE4_2)