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wip: extend the gebp kernel to optimize complex and mixed products

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This commit is contained in:
Gael Guennebaud
2010-07-19 08:50:59 +02:00
parent 45362f4eae
commit cd0e5dca9b
6 changed files with 700 additions and 354 deletions
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19
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -45,7 +45,9 @@ template<> struct ei_is_arithmetic<__m128d> { enum { ret = true }; };
#define ei_vec2d_swizzle1(v,p,q) \
(_mm_castsi128_pd(_mm_shuffle_epi32( _mm_castpd_si128(v), ((q*2+1)<<6|(q*2)<<4|(p*2+1)<<2|(p*2)))))
// #define ei_vec2d_swizzle1(v,p,q) \
(_mm_shuffle_pd(v,v, (q)<<1|(p) ))
#define ei_vec4f_swizzle2(a,b,p,q,r,s) \
(_mm_shuffle_ps( (a), (b), ((s)<<6|(r)<<4|(q)<<2|(p))))
@@ -255,6 +257,21 @@ template<> EIGEN_STRONG_INLINE Packet4i ei_ploadu<Packet4i>(const int* from)
}
#endif
template<> EIGEN_STRONG_INLINE Packet4f ei_ploaddup<Packet4f>(const float* from)
{
Packet4f tmp;
tmp = _mm_loadl_pi(tmp,(__m64*)from);
return ei_vec4f_swizzle1(tmp, 0, 0, 1, 1);
}
template<> EIGEN_STRONG_INLINE Packet2d ei_ploaddup<Packet2d>(const double* from)
{ return ei_pset1<Packet2d>(from[0]); }
template<> EIGEN_STRONG_INLINE Packet4i ei_ploaddup<Packet4i>(const int* from)
{
Packet4i tmp;
tmp = _mm_loadl_epi64(reinterpret_cast<const Packet4i*>(from));
return ei_vec4i_swizzle1(tmp, 0, 0, 1, 1);
}
template<> EIGEN_STRONG_INLINE void ei_pstore<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_ps(to, from); }
template<> EIGEN_STRONG_INLINE void ei_pstore<double>(double* to, const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }
template<> EIGEN_STRONG_INLINE void ei_pstore<int>(int* to, const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_si128(reinterpret_cast<Packet4i*>(to), from); }