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* implement slice vectorization. Because it uses unaligned

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packet access, it is not certain that it will bring a performance
  improvement: benchmarking needed.
* improve logic choosing slice vectorization.
* fix typo in SSE packet math, causing crash in unaligned case.
* fix bug in Product, causing crash in unaligned case.
* add TEST_SSE3 CMake option.
This commit is contained in:
Benoit Jacob
2008-06-22 15:02:05 +00:00
parent 8cef541b5a
commit 8a967fb17c
5 changed files with 64 additions and 34 deletions
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Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -94,7 +94,7 @@ inline void ei_pstore(int* to, const __m128i& from) { _mm_store_si128(reinter
inline void ei_pstoreu(float* to, const __m128& from) { _mm_storeu_ps(to, from); }
inline void ei_pstoreu(double* to, const __m128d& from) { _mm_storeu_pd(to, from); }
inline void ei_pstoreu(int* to, const __m128i& from) { _mm_store_si128(reinterpret_cast<__m128i*>(to), from); }
inline void ei_pstoreu(int* to, const __m128i& from) { _mm_storeu_si128(reinterpret_cast<__m128i*>(to), from); }
inline float ei_pfirst(const __m128& a) { return _mm_cvtss_f32(a); }
inline double ei_pfirst(const __m128d& a) { return _mm_cvtsd_f64(a); }