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backporting rev 918446: fix MSVC internal compilation error

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Gael Guennebaud 2009-03-06 22:18:26 +00:00
parent d38504a4c8
commit f2829c1358
1 changed files with 7 additions and 0 deletions
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7
Eigen/src/Core/arch/SSE/PacketMath.h
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@ -114,9 +114,16 @@ template<> EIGEN_STRONG_INLINE void ei_pstoreu<float>(float* to, const __m128&
template<> EIGEN_STRONG_INLINE void ei_pstoreu<double>(double* to, const __m128d& from) { _mm_storeu_pd(to, from); }
template<> EIGEN_STRONG_INLINE void ei_pstoreu<int>(int* to, const __m128i& from) { _mm_storeu_si128(reinterpret_cast<__m128i*>(to), from); }
#ifdef _MSC_VER
// this fix internal compilation error
template<> EIGEN_STRONG_INLINE float ei_pfirst<__m128>(const __m128& a) { float x = _mm_cvtss_f32(a); return x; }
template<> EIGEN_STRONG_INLINE double ei_pfirst<__m128d>(const __m128d& a) { double x = _mm_cvtsd_f64(a); return x; }
template<> EIGEN_STRONG_INLINE int ei_pfirst<__m128i>(const __m128i& a) { int x = _mm_cvtsi128_si32(a); return x; }
#else
template<> EIGEN_STRONG_INLINE float ei_pfirst<__m128>(const __m128& a) { return _mm_cvtss_f32(a); }
template<> EIGEN_STRONG_INLINE double ei_pfirst<__m128d>(const __m128d& a) { return _mm_cvtsd_f64(a); }
template<> EIGEN_STRONG_INLINE int ei_pfirst<__m128i>(const __m128i& a) { return _mm_cvtsi128_si32(a); }
#endif
#ifdef __SSE3__
// TODO implement SSE2 versions as well as integer versions