From 334e76537fba66b504aeb5993afaf4b706388a2c Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Tue, 24 May 2016 00:29:28 -0700
Subject: [PATCH] Worked around missing clang intrinsic

---
 Eigen/src/Core/arch/CUDA/TypeCasting.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/arch/CUDA/TypeCasting.h b/Eigen/src/Core/arch/CUDA/TypeCasting.h
index 9b4fbe205..5371f6f17 100644
--- a/Eigen/src/Core/arch/CUDA/TypeCasting.h
+++ b/Eigen/src/Core/arch/CUDA/TypeCasting.h
@@ -144,7 +144,7 @@ struct type_casting_traits<half, float> {
 };
 
 template<> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet4f pcast<Packet4h, Packet4f>(const Packet4h& a) {
-  __int64_t a64 = _m_to_int64(a.x);
+  __int64_t a64 = _mm_cvtm64_si64(a.x);
   half h = raw_uint16_to_half(static_cast<unsigned short>(a64));
   float f1 = static_cast<float>(h);
   h = raw_uint16_to_half(static_cast<unsigned short>(a64 >> 16));