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* add ei_pdiv intrinsic, make quotient functor vectorizable

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* add vdw benchmark from Tim's real-world use case
This commit is contained in:
Benoit Jacob
2008-06-23 22:00:18 +00:00
parent ac9aa47bbc
commit c9560df4a0
6 changed files with 105 additions and 7 deletions
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2
Eigen/src/Core/arch/AltiVec/PacketMath.h
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@@ -59,6 +59,8 @@ inline vector int ei_pmul(const vector int a, const vector int b)
return vec_add( lowProduct, highProduct );
}
inline vector float ei_pdiv(const vector float a, const vector float b) { return vec_div(a,b); }
inline vector float ei_pmadd(const vector float a, const vector float b, const vector float c) { return vec_madd(a, b, c); }
inline vector float ei_pmin(const vector float a, const vector float b) { return vec_min(a,b); }

3
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -55,6 +55,9 @@ template<> inline __m128i ei_pmul(const __m128i& a, const __m128i& b)
_mm_setr_epi32(0xffffffff,0,0xffffffff,0)), 4));
}
template<> inline __m128 ei_pdiv(const __m128& a, const __m128& b) { return _mm_div_ps(a,b); }
template<> inline __m128d ei_pdiv(const __m128d& a, const __m128d& b) { return _mm_div_pd(a,b); }
// for some weird raisons, it has to be overloaded for packet integer
template<> inline __m128i ei_pmadd(const __m128i& a, const __m128i& b, const __m128i& c) { return ei_padd(ei_pmul(a,b), c); }