From e617711306745e9c5e3fe8a060373867102ecc4d Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Tue, 24 May 2016 06:43:58 -0700
Subject: [PATCH] Don't attempt to use MMX instructions with visualstudio since
 they're only partially supported.

---
 Eigen/src/Core/arch/CUDA/PacketMathHalf.h | 2 +-
 Eigen/src/Core/arch/CUDA/TypeCasting.h    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
index 1584c40bd..017d47a88 100644
--- a/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
+++ b/Eigen/src/Core/arch/CUDA/PacketMathHalf.h
@@ -547,7 +547,7 @@ ptranspose(PacketBlock<Packet8h,4>& kernel) {
 }
 
 
-#elif defined EIGEN_VECTORIZE_SSE
+#elif defined EIGEN_VECTORIZE_SSE && !EIGEN_COMP_MSVC
 
 typedef struct {
   __m64 x;
diff --git a/Eigen/src/Core/arch/CUDA/TypeCasting.h b/Eigen/src/Core/arch/CUDA/TypeCasting.h
index 5371f6f17..45c75cf52 100644
--- a/Eigen/src/Core/arch/CUDA/TypeCasting.h
+++ b/Eigen/src/Core/arch/CUDA/TypeCasting.h
@@ -133,7 +133,7 @@ template<> EIGEN_STRONG_INLINE Packet8h pcast<Packet8f, Packet8h>(const Packet8f
   return float2half(a);
 }
 
-#elif defined EIGEN_VECTORIZE_SSE
+#elif defined EIGEN_VECTORIZE_SSE && !EIGEN_COMP_MSVC
 template <>
 struct type_casting_traits<half, float> {
   enum {