| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. |
| // |
| // Copyright (C) 2010 Gael Guennebaud <gael.guennebaud@inria.fr> |
| // |
| // This Source Code Form is subject to the terms of the Mozilla |
| // Public License v. 2.0. If a copy of the MPL was not distributed |
| // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| |
| #ifndef EIGEN_COMPLEX_SSE_H |
| #define EIGEN_COMPLEX_SSE_H |
| |
| namespace Eigen { |
| |
| namespace internal { |
| |
| //---------- float ---------- |
| struct Packet2cf |
| { |
| EIGEN_STRONG_INLINE Packet2cf() {} |
| EIGEN_STRONG_INLINE explicit Packet2cf(const __m128& a) : v(a) {} |
| __m128 v; |
| }; |
| |
| // Use the packet_traits defined in AVX/PacketMath.h instead if we're going |
| // to leverage AVX instructions. |
| #ifndef EIGEN_VECTORIZE_AVX |
| template<> struct packet_traits<std::complex<float> > : default_packet_traits |
| { |
| typedef Packet2cf type; |
| typedef Packet2cf half; |
| enum { |
| Vectorizable = 1, |
| AlignedOnScalar = 1, |
| size = 2, |
| HasHalfPacket = 0, |
| |
| HasAdd = 1, |
| HasSub = 1, |
| HasMul = 1, |
| HasDiv = 1, |
| HasNegate = 1, |
| HasAbs = 0, |
| HasAbs2 = 0, |
| HasMin = 0, |
| HasMax = 0, |
| HasSetLinear = 0, |
| HasBlend = 1 |
| }; |
| }; |
| #endif |
| |
| template<> struct unpacket_traits<Packet2cf> { typedef std::complex<float> type; enum {size=2, alignment=Aligned16}; typedef Packet2cf half; }; |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf padd<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_add_ps(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet2cf psub<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_sub_ps(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) |
| { |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000)); |
| return Packet2cf(_mm_xor_ps(a.v,mask)); |
| } |
| template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) |
| { |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x00000000,0x80000000,0x00000000,0x80000000)); |
| return Packet2cf(_mm_xor_ps(a.v,mask)); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pmul<Packet2cf>(const Packet2cf& a, const Packet2cf& b) |
| { |
| // TODO optimize it for SSE3 and 4 |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return Packet2cf(_mm_addsub_ps(_mm_mul_ps(_mm_moveldup_ps(a.v), b.v), |
| _mm_mul_ps(_mm_movehdup_ps(a.v), |
| vec4f_swizzle1(b.v, 1, 0, 3, 2)))); |
| // return Packet2cf(_mm_addsub_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 0, 0, 2, 2), b.v), |
| // _mm_mul_ps(vec4f_swizzle1(a.v, 1, 1, 3, 3), |
| // vec4f_swizzle1(b.v, 1, 0, 3, 2)))); |
| #else |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x00000000,0x80000000,0x00000000)); |
| return Packet2cf(_mm_add_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 0, 0, 2, 2), b.v), |
| _mm_xor_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 1, 1, 3, 3), |
| vec4f_swizzle1(b.v, 1, 0, 3, 2)), mask))); |
| #endif |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pand <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_and_ps(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet2cf por <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_or_ps(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet2cf pxor <Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_xor_ps(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet2cf pandnot<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(_mm_andnot_ps(a.v,b.v)); } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pload <Packet2cf>(const std::complex<float>* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet2cf(pload<Packet4f>(&numext::real_ref(*from))); } |
| template<> EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(const std::complex<float>* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet2cf(ploadu<Packet4f>(&numext::real_ref(*from))); } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<float>& from) |
| { |
| Packet2cf res; |
| #if EIGEN_GNUC_AT_MOST(4,2) |
| // Workaround annoying "may be used uninitialized in this function" warning with gcc 4.2 |
| res.v = _mm_loadl_pi(_mm_set1_ps(0.0f), reinterpret_cast<const __m64*>(&from)); |
| #elif EIGEN_GNUC_AT_LEAST(4,6) |
| // Suppress annoying "may be used uninitialized in this function" warning with gcc >= 4.6 |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wuninitialized" |
| res.v = _mm_loadl_pi(res.v, (const __m64*)&from); |
| #pragma GCC diagnostic pop |
| #else |
| res.v = _mm_loadl_pi(res.v, (const __m64*)&from); |
| #endif |
| return Packet2cf(_mm_movelh_ps(res.v,res.v)); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(const std::complex<float>* from) { return pset1<Packet2cf>(*from); } |
| |
| template<> EIGEN_STRONG_INLINE void pstore <std::complex<float> >(std::complex<float> * to, const Packet2cf& from) { EIGEN_DEBUG_ALIGNED_STORE pstore(&numext::real_ref(*to), Packet4f(from.v)); } |
| template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<float> >(std::complex<float> * to, const Packet2cf& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu(&numext::real_ref(*to), Packet4f(from.v)); } |
| |
| |
| template<> EIGEN_DEVICE_FUNC inline Packet2cf pgather<std::complex<float>, Packet2cf>(const std::complex<float>* from, Index stride) |
| { |
| return Packet2cf(_mm_set_ps(std::imag(from[1*stride]), std::real(from[1*stride]), |
| std::imag(from[0*stride]), std::real(from[0*stride]))); |
| } |
| |
| template<> EIGEN_DEVICE_FUNC inline void pscatter<std::complex<float>, Packet2cf>(std::complex<float>* to, const Packet2cf& from, Index stride) |
| { |
| to[stride*0] = std::complex<float>(_mm_cvtss_f32(_mm_shuffle_ps(from.v, from.v, 0)), |
| _mm_cvtss_f32(_mm_shuffle_ps(from.v, from.v, 1))); |
| to[stride*1] = std::complex<float>(_mm_cvtss_f32(_mm_shuffle_ps(from.v, from.v, 2)), |
| _mm_cvtss_f32(_mm_shuffle_ps(from.v, from.v, 3))); |
| } |
| |
| template<> EIGEN_STRONG_INLINE void prefetch<std::complex<float> >(const std::complex<float> * addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<float> pfirst<Packet2cf>(const Packet2cf& a) |
| { |
| #if EIGEN_GNUC_AT_MOST(4,3) |
| // Workaround gcc 4.2 ICE - this is not performance wise ideal, but who cares... |
| // This workaround also fix invalid code generation with gcc 4.3 |
| EIGEN_ALIGN16 std::complex<float> res[2]; |
| _mm_store_ps((float*)res, a.v); |
| return res[0]; |
| #else |
| std::complex<float> res; |
| _mm_storel_pi((__m64*)&res, a.v); |
| return res; |
| #endif |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a) { return Packet2cf(_mm_castpd_ps(preverse(Packet2d(_mm_castps_pd(a.v))))); } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<float> predux<Packet2cf>(const Packet2cf& a) |
| { |
| return pfirst(Packet2cf(_mm_add_ps(a.v, _mm_movehl_ps(a.v,a.v)))); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf preduxp<Packet2cf>(const Packet2cf* vecs) |
| { |
| return Packet2cf(_mm_add_ps(_mm_movelh_ps(vecs[0].v,vecs[1].v), _mm_movehl_ps(vecs[1].v,vecs[0].v))); |
| } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<float> predux_mul<Packet2cf>(const Packet2cf& a) |
| { |
| return pfirst(pmul(a, Packet2cf(_mm_movehl_ps(a.v,a.v)))); |
| } |
| |
| template<int Offset> |
| struct palign_impl<Offset,Packet2cf> |
| { |
| static EIGEN_STRONG_INLINE void run(Packet2cf& first, const Packet2cf& second) |
| { |
| if (Offset==1) |
| { |
| first.v = _mm_movehl_ps(first.v, first.v); |
| first.v = _mm_movelh_ps(first.v, second.v); |
| } |
| } |
| }; |
| |
| template<> struct conj_helper<Packet2cf, Packet2cf, false,true> |
| { |
| EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return internal::pmul(a, pconj(b)); |
| #else |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x00000000,0x80000000,0x00000000,0x80000000)); |
| return Packet2cf(_mm_add_ps(_mm_xor_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 0, 0, 2, 2), b.v), mask), |
| _mm_mul_ps(vec4f_swizzle1(a.v, 1, 1, 3, 3), |
| vec4f_swizzle1(b.v, 1, 0, 3, 2)))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet2cf, Packet2cf, true,false> |
| { |
| EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return internal::pmul(pconj(a), b); |
| #else |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x00000000,0x80000000,0x00000000,0x80000000)); |
| return Packet2cf(_mm_add_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 0, 0, 2, 2), b.v), |
| _mm_xor_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 1, 1, 3, 3), |
| vec4f_swizzle1(b.v, 1, 0, 3, 2)), mask))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet2cf, Packet2cf, true,true> |
| { |
| EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return pconj(internal::pmul(a, b)); |
| #else |
| const __m128 mask = _mm_castsi128_ps(_mm_setr_epi32(0x00000000,0x80000000,0x00000000,0x80000000)); |
| return Packet2cf(_mm_sub_ps(_mm_xor_ps(_mm_mul_ps(vec4f_swizzle1(a.v, 0, 0, 2, 2), b.v), mask), |
| _mm_mul_ps(vec4f_swizzle1(a.v, 1, 1, 3, 3), |
| vec4f_swizzle1(b.v, 1, 0, 3, 2)))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet4f, Packet2cf, false,false> |
| { |
| EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet4f& x, const Packet2cf& y, const Packet2cf& c) const |
| { return padd(c, pmul(x,y)); } |
| |
| EIGEN_STRONG_INLINE Packet2cf pmul(const Packet4f& x, const Packet2cf& y) const |
| { return Packet2cf(Eigen::internal::pmul<Packet4f>(x, y.v)); } |
| }; |
| |
| template<> struct conj_helper<Packet2cf, Packet4f, false,false> |
| { |
| EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet4f& y, const Packet2cf& c) const |
| { return padd(c, pmul(x,y)); } |
| |
| EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& x, const Packet4f& y) const |
| { return Packet2cf(Eigen::internal::pmul<Packet4f>(x.v, y)); } |
| }; |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b) |
| { |
| // TODO optimize it for SSE3 and 4 |
| Packet2cf res = conj_helper<Packet2cf,Packet2cf,false,true>().pmul(a,b); |
| __m128 s = _mm_mul_ps(b.v,b.v); |
| return Packet2cf(_mm_div_ps(res.v,_mm_add_ps(s,_mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(s), 0xb1))))); |
| } |
| |
| EIGEN_STRONG_INLINE Packet2cf pcplxflip/*<Packet2cf>*/(const Packet2cf& x) |
| { |
| return Packet2cf(vec4f_swizzle1(x.v, 1, 0, 3, 2)); |
| } |
| |
| |
| //---------- double ---------- |
| struct Packet1cd |
| { |
| EIGEN_STRONG_INLINE Packet1cd() {} |
| EIGEN_STRONG_INLINE explicit Packet1cd(const __m128d& a) : v(a) {} |
| __m128d v; |
| }; |
| |
| // Use the packet_traits defined in AVX/PacketMath.h instead if we're going |
| // to leverage AVX instructions. |
| #ifndef EIGEN_VECTORIZE_AVX |
| template<> struct packet_traits<std::complex<double> > : default_packet_traits |
| { |
| typedef Packet1cd type; |
| typedef Packet1cd half; |
| enum { |
| Vectorizable = 1, |
| AlignedOnScalar = 0, |
| size = 1, |
| HasHalfPacket = 0, |
| |
| HasAdd = 1, |
| HasSub = 1, |
| HasMul = 1, |
| HasDiv = 1, |
| HasNegate = 1, |
| HasAbs = 0, |
| HasAbs2 = 0, |
| HasMin = 0, |
| HasMax = 0, |
| HasSetLinear = 0 |
| }; |
| }; |
| #endif |
| |
| template<> struct unpacket_traits<Packet1cd> { typedef std::complex<double> type; enum {size=1, alignment=Aligned16}; typedef Packet1cd half; }; |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd padd<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_add_pd(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd psub<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_sub_pd(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd pnegate(const Packet1cd& a) { return Packet1cd(pnegate(Packet2d(a.v))); } |
| template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) |
| { |
| const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); |
| return Packet1cd(_mm_xor_pd(a.v,mask)); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b) |
| { |
| // TODO optimize it for SSE3 and 4 |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return Packet1cd(_mm_addsub_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v), |
| _mm_mul_pd(vec2d_swizzle1(a.v, 1, 1), |
| vec2d_swizzle1(b.v, 1, 0)))); |
| #else |
| const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x0,0x0,0x80000000,0x0)); |
| return Packet1cd(_mm_add_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v), |
| _mm_xor_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 1, 1), |
| vec2d_swizzle1(b.v, 1, 0)), mask))); |
| #endif |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd pand <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_and_pd(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd por <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_or_pd(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd pxor <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_xor_pd(a.v,b.v)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd pandnot<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(_mm_andnot_pd(a.v,b.v)); } |
| |
| // FIXME force unaligned load, this is a temporary fix |
| template<> EIGEN_STRONG_INLINE Packet1cd pload <Packet1cd>(const std::complex<double>* from) |
| { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(pload<Packet2d>((const double*)from)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd ploadu<Packet1cd>(const std::complex<double>* from) |
| { EIGEN_DEBUG_UNALIGNED_LOAD return Packet1cd(ploadu<Packet2d>((const double*)from)); } |
| template<> EIGEN_STRONG_INLINE Packet1cd pset1<Packet1cd>(const std::complex<double>& from) |
| { /* here we really have to use unaligned loads :( */ return ploadu<Packet1cd>(&from); } |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd ploaddup<Packet1cd>(const std::complex<double>* from) { return pset1<Packet1cd>(*from); } |
| |
| // FIXME force unaligned store, this is a temporary fix |
| template<> EIGEN_STRONG_INLINE void pstore <std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((double*)to, Packet2d(from.v)); } |
| template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((double*)to, Packet2d(from.v)); } |
| |
| template<> EIGEN_STRONG_INLINE void prefetch<std::complex<double> >(const std::complex<double> * addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<double> pfirst<Packet1cd>(const Packet1cd& a) |
| { |
| EIGEN_ALIGN16 double res[2]; |
| _mm_store_pd(res, a.v); |
| return std::complex<double>(res[0],res[1]); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a) { return a; } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<double> predux<Packet1cd>(const Packet1cd& a) |
| { |
| return pfirst(a); |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd preduxp<Packet1cd>(const Packet1cd* vecs) |
| { |
| return vecs[0]; |
| } |
| |
| template<> EIGEN_STRONG_INLINE std::complex<double> predux_mul<Packet1cd>(const Packet1cd& a) |
| { |
| return pfirst(a); |
| } |
| |
| template<int Offset> |
| struct palign_impl<Offset,Packet1cd> |
| { |
| static EIGEN_STRONG_INLINE void run(Packet1cd& /*first*/, const Packet1cd& /*second*/) |
| { |
| // FIXME is it sure we never have to align a Packet1cd? |
| // Even though a std::complex<double> has 16 bytes, it is not necessarily aligned on a 16 bytes boundary... |
| } |
| }; |
| |
| template<> struct conj_helper<Packet1cd, Packet1cd, false,true> |
| { |
| EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return internal::pmul(a, pconj(b)); |
| #else |
| const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); |
| return Packet1cd(_mm_add_pd(_mm_xor_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v), mask), |
| _mm_mul_pd(vec2d_swizzle1(a.v, 1, 1), |
| vec2d_swizzle1(b.v, 1, 0)))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet1cd, Packet1cd, true,false> |
| { |
| EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return internal::pmul(pconj(a), b); |
| #else |
| const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); |
| return Packet1cd(_mm_add_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v), |
| _mm_xor_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 1, 1), |
| vec2d_swizzle1(b.v, 1, 0)), mask))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet1cd, Packet1cd, true,true> |
| { |
| EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const |
| { return padd(pmul(x,y),c); } |
| |
| EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const |
| { |
| #ifdef EIGEN_VECTORIZE_SSE3 |
| return pconj(internal::pmul(a, b)); |
| #else |
| const __m128d mask = _mm_castsi128_pd(_mm_set_epi32(0x80000000,0x0,0x0,0x0)); |
| return Packet1cd(_mm_sub_pd(_mm_xor_pd(_mm_mul_pd(vec2d_swizzle1(a.v, 0, 0), b.v), mask), |
| _mm_mul_pd(vec2d_swizzle1(a.v, 1, 1), |
| vec2d_swizzle1(b.v, 1, 0)))); |
| #endif |
| } |
| }; |
| |
| template<> struct conj_helper<Packet2d, Packet1cd, false,false> |
| { |
| EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet2d& x, const Packet1cd& y, const Packet1cd& c) const |
| { return padd(c, pmul(x,y)); } |
| |
| EIGEN_STRONG_INLINE Packet1cd pmul(const Packet2d& x, const Packet1cd& y) const |
| { return Packet1cd(Eigen::internal::pmul<Packet2d>(x, y.v)); } |
| }; |
| |
| template<> struct conj_helper<Packet1cd, Packet2d, false,false> |
| { |
| EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet2d& y, const Packet1cd& c) const |
| { return padd(c, pmul(x,y)); } |
| |
| EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& x, const Packet2d& y) const |
| { return Packet1cd(Eigen::internal::pmul<Packet2d>(x.v, y)); } |
| }; |
| |
| template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b) |
| { |
| // TODO optimize it for SSE3 and 4 |
| Packet1cd res = conj_helper<Packet1cd,Packet1cd,false,true>().pmul(a,b); |
| __m128d s = _mm_mul_pd(b.v,b.v); |
| return Packet1cd(_mm_div_pd(res.v, _mm_add_pd(s,_mm_shuffle_pd(s, s, 0x1)))); |
| } |
| |
| EIGEN_STRONG_INLINE Packet1cd pcplxflip/*<Packet1cd>*/(const Packet1cd& x) |
| { |
| return Packet1cd(preverse(Packet2d(x.v))); |
| } |
| |
| EIGEN_DEVICE_FUNC inline void |
| ptranspose(PacketBlock<Packet2cf,2>& kernel) { |
| __m128d w1 = _mm_castps_pd(kernel.packet[0].v); |
| __m128d w2 = _mm_castps_pd(kernel.packet[1].v); |
| |
| __m128 tmp = _mm_castpd_ps(_mm_unpackhi_pd(w1, w2)); |
| kernel.packet[0].v = _mm_castpd_ps(_mm_unpacklo_pd(w1, w2)); |
| kernel.packet[1].v = tmp; |
| } |
| |
| template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, const Packet2cf& elsePacket) { |
| __m128d result = pblend<Packet2d>(ifPacket, _mm_castps_pd(thenPacket.v), _mm_castps_pd(elsePacket.v)); |
| return Packet2cf(_mm_castpd_ps(result)); |
| } |
| |
| } // end namespace internal |
| |
| } // end namespace Eigen |
| |
| #endif // EIGEN_COMPLEX_SSE_H |
