diff --git a/Eigen/src/Core/arch/SSE/PacketMath.h b/Eigen/src/Core/arch/SSE/PacketMath.h index eb1c2d311..c1d7e5786 100644 --- a/Eigen/src/Core/arch/SSE/PacketMath.h +++ b/Eigen/src/Core/arch/SSE/PacketMath.h @@ -220,10 +220,11 @@ template<> EIGEN_STRONG_INLINE void ei_pstoreu(double* to, const Packet2 template<> EIGEN_STRONG_INLINE void ei_pstoreu(float* to, const Packet4f& from) { ei_pstoreu((double*)to, _mm_castps_pd(from)); } template<> EIGEN_STRONG_INLINE void ei_pstoreu(int* to, const Packet4i& from) { ei_pstoreu((double*)to, _mm_castsi128_pd(from)); } -#ifdef _MSC_VER -// this fix internal compilation error -template<> EIGEN_STRONG_INLINE float ei_pfirst(const Packet4f& a) { float x = _mm_cvtss_f32(a); return x; } -template<> EIGEN_STRONG_INLINE double ei_pfirst(const Packet2d& a) { double x = _mm_cvtsd_f64(a); return x; } +#ifdef _MSC_VER <= 1500 +// The temporary variable fixes an internal compilation error. +// Direct of the struct members fixed bug #62. +template<> EIGEN_STRONG_INLINE float ei_pfirst(const Packet4f& a) { return a.m128_f32[0]; } +template<> EIGEN_STRONG_INLINE double ei_pfirst(const Packet2d& a) { return a.m128d_f64[0]; } template<> EIGEN_STRONG_INLINE int ei_pfirst(const Packet4i& a) { int x = _mm_cvtsi128_si32(a); return x; } #else template<> EIGEN_STRONG_INLINE float ei_pfirst(const Packet4f& a) { return _mm_cvtss_f32(a); }