diff options
author | Alexey Frunze <afrunze@wavecomp.com> | 2018-07-06 16:04:30 -0700 |
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committer | Alexey Frunze <afrunze@wavecomp.com> | 2018-07-06 16:04:30 -0700 |
commit | 3875fb05aaa019c700d68b074e61471a96c85b36 (patch) | |
tree | a3ca21891fb7f07bb4b8f521939b4d382e8ae4f8 /Eigen/src/Core/arch/MSA/Complex.h | |
parent | 44ea5f7623d1d5211de753b4ea719b63d55b228a (diff) |
Add support for MIPS SIMD (MSA)
Diffstat (limited to 'Eigen/src/Core/arch/MSA/Complex.h')
-rw-r--r-- | Eigen/src/Core/arch/MSA/Complex.h | 759 |
1 files changed, 759 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/MSA/Complex.h b/Eigen/src/Core/arch/MSA/Complex.h new file mode 100644 index 000000000..9a45cf51e --- /dev/null +++ b/Eigen/src/Core/arch/MSA/Complex.h @@ -0,0 +1,759 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2018 Wave Computing, Inc. +// Written by: +// Chris Larsen +// Alexey Frunze (afrunze@wavecomp.com) +// +// 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_MSA_H +#define EIGEN_COMPLEX_MSA_H + +#include <iostream> + +namespace Eigen { + +namespace internal { + +//---------- float ---------- +struct Packet2cf { + EIGEN_STRONG_INLINE Packet2cf() { + } + EIGEN_STRONG_INLINE explicit Packet2cf(const std::complex<float>& a, + const std::complex<float>& b) { + Packet4f t = { std::real(a), std::imag(a), std::real(b), std::imag(b) }; + v = t; + } + EIGEN_STRONG_INLINE explicit Packet2cf(const Packet4f& a) : v(a) { + } + EIGEN_STRONG_INLINE Packet2cf(const Packet2cf& a) : v(a.v) { + } + EIGEN_STRONG_INLINE Packet2cf& operator=(const Packet2cf& b) { + v = b.v; + return *this; + } + EIGEN_STRONG_INLINE Packet2cf conjugate(void) const { + return Packet2cf((Packet4f)__builtin_msa_bnegi_d((v2u64)v, 63)); + } + EIGEN_STRONG_INLINE Packet2cf& operator*=(const Packet2cf& b) { + Packet4f v1, v2; + + // Get the real values of a | a1_re | a1_re | a2_re | a2_re | + v1 = (Packet4f)__builtin_msa_ilvev_w((v4i32)v, (v4i32)v); + // Get the imag values of a | a1_im | a1_im | a2_im | a2_im | + v2 = (Packet4f)__builtin_msa_ilvod_w((v4i32)v, (v4i32)v); + // Multiply the real a with b + v1 = pmul(v1, b.v); + // Multiply the imag a with b + v2 = pmul(v2, b.v); + // Conjugate v2 + v2 = Packet2cf(v2).conjugate().v; + // Swap real/imag elements in v2. + v2 = (Packet4f)__builtin_msa_shf_w((v4i32)v2, EIGEN_MSA_SHF_I8(1, 0, 3, 2)); + // Add and return the result + v = padd(v1, v2); + return *this; + } + EIGEN_STRONG_INLINE Packet2cf operator*(const Packet2cf& b) const { + return Packet2cf(*this) *= b; + } + EIGEN_STRONG_INLINE Packet2cf& operator+=(const Packet2cf& b) { + v = padd(v, b.v); + return *this; + } + EIGEN_STRONG_INLINE Packet2cf operator+(const Packet2cf& b) const { + return Packet2cf(*this) += b; + } + EIGEN_STRONG_INLINE Packet2cf& operator-=(const Packet2cf& b) { + v = psub(v, b.v); + return *this; + } + EIGEN_STRONG_INLINE Packet2cf operator-(const Packet2cf& b) const { + return Packet2cf(*this) -= b; + } + EIGEN_STRONG_INLINE Packet2cf& operator/=(const Packet2cf& b) { + *this *= b.conjugate(); + Packet4f s = pmul<Packet4f>(b.v, b.v); + s = padd(s, (Packet4f)__builtin_msa_shf_w((v4i32)s, EIGEN_MSA_SHF_I8(1, 0, 3, 2))); + v = pdiv(v, s); + return *this; + } + EIGEN_STRONG_INLINE Packet2cf operator/(const Packet2cf& b) const { + return Packet2cf(*this) /= b; + } + EIGEN_STRONG_INLINE Packet2cf operator-(void) const { + return Packet2cf(pnegate(v)); + } + + Packet4f v; +}; + +inline std::ostream& operator<<(std::ostream& os, const Packet2cf& value) { + os << "[ (" << value.v[0] << ", " << value.v[1] + << "i)," + " (" + << value.v[2] << ", " << value.v[3] << "i) ]"; + return os; +} + +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 + }; +}; + +template <> +struct unpacket_traits<Packet2cf> { + typedef std::complex<float> type; + enum { size = 2, alignment = Aligned16 }; + typedef Packet2cf half; +}; + +template <> +EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<float>& from) { + EIGEN_MSA_DEBUG; + + float f0 = from.real(), f1 = from.imag(); + Packet4f v0 = { f0, f0, f0, f0 }; + Packet4f v1 = { f1, f1, f1, f1 }; + return Packet2cf((Packet4f)__builtin_msa_ilvr_w((Packet4i)v1, (Packet4i)v0)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf padd<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return a + b; +} + +template <> +EIGEN_STRONG_INLINE Packet2cf psub<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return a - b; +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return -a; +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return a.conjugate(); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pmul<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return a * b; +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pand<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return Packet2cf(pand(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf por<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return Packet2cf(por(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pxor<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return Packet2cf(pxor(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pandnot<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return Packet2cf(pandnot(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pload<Packet2cf>(const std::complex<float>* from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_ALIGNED_LOAD return Packet2cf(pload<Packet4f>((const float*)from)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf ploadu<Packet2cf>(const std::complex<float>* from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_UNALIGNED_LOAD return Packet2cf(ploadu<Packet4f>((const float*)from)); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf ploaddup<Packet2cf>(const std::complex<float>* from) { + EIGEN_MSA_DEBUG; + + return pset1<Packet2cf>(*from); +} + +template <> +EIGEN_STRONG_INLINE void pstore<std::complex<float> >(std::complex<float>* to, + const Packet2cf& from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_ALIGNED_STORE pstore<float>((float*)to, from.v); +} + +template <> +EIGEN_STRONG_INLINE void pstoreu<std::complex<float> >(std::complex<float>* to, + const Packet2cf& from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_UNALIGNED_STORE pstoreu<float>((float*)to, from.v); +} + +template <> +EIGEN_DEVICE_FUNC inline Packet2cf pgather<std::complex<float>, Packet2cf>( + const std::complex<float>* from, Index stride) { + EIGEN_MSA_DEBUG; + + return Packet2cf(from[0 * stride], from[1 * stride]); +} + +template <> +EIGEN_DEVICE_FUNC inline void pscatter<std::complex<float>, Packet2cf>(std::complex<float>* to, + const Packet2cf& from, + Index stride) { + EIGEN_MSA_DEBUG; + + *to = std::complex<float>(from.v[0], from.v[1]); + to += stride; + *to = std::complex<float>(from.v[2], from.v[3]); +} + +template <> +EIGEN_STRONG_INLINE void prefetch<std::complex<float> >(const std::complex<float>* addr) { + EIGEN_MSA_DEBUG; + + prefetch(reinterpret_cast<const float*>(addr)); +} + +template <> +EIGEN_STRONG_INLINE std::complex<float> pfirst<Packet2cf>(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return std::complex<float>(a.v[0], a.v[1]); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return Packet2cf((Packet4f)__builtin_msa_shf_w((v4i32)a.v, EIGEN_MSA_SHF_I8(2, 3, 0, 1))); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pcplxflip<Packet2cf>(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return Packet2cf((Packet4f)__builtin_msa_shf_w((v4i32)a.v, EIGEN_MSA_SHF_I8(1, 0, 3, 2))); +} + +template <> +EIGEN_STRONG_INLINE std::complex<float> predux<Packet2cf>(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + Packet4f value = (Packet4f)preverse((Packet2d)a.v); + value += a.v; + return std::complex<float>(value[0], value[1]); +} + +template <> +EIGEN_STRONG_INLINE Packet2cf preduxp<Packet2cf>(const Packet2cf* vecs) { + EIGEN_MSA_DEBUG; + + Packet4f sum1, sum2, sum; + + // Add the first two 64-bit float32x2_t of vecs[0] + sum1 = (Packet4f)__builtin_msa_ilvr_d((v2i64)vecs[1].v, (v2i64)vecs[0].v); + sum2 = (Packet4f)__builtin_msa_ilvl_d((v2i64)vecs[1].v, (v2i64)vecs[0].v); + sum = padd(sum1, sum2); + + return Packet2cf(sum); +} + +template <> +EIGEN_STRONG_INLINE std::complex<float> predux_mul<Packet2cf>(const Packet2cf& a) { + EIGEN_MSA_DEBUG; + + return std::complex<float>((a.v[0] * a.v[2]) - (a.v[1] * a.v[3]), + (a.v[0] * a.v[3]) + (a.v[1] * a.v[2])); +} + +template <int Offset> +struct palign_impl<Offset, Packet2cf> { + EIGEN_STRONG_INLINE static void run(Packet2cf& first, const Packet2cf& second) { + if (Offset == 1) { + first.v = (Packet4f)__builtin_msa_sldi_b((v16i8)second.v, (v16i8)first.v, Offset * 8); + } + } +}; + +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 { + return internal::pmul(a, pconj(b)); + } +}; + +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 { + return internal::pmul(pconj(a), b); + } +}; + +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 { + return pconj(internal::pmul(a, b)); + } +}; + +EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf, Packet4f) + +template <> +EIGEN_STRONG_INLINE Packet2cf pdiv<Packet2cf>(const Packet2cf& a, const Packet2cf& b) { + EIGEN_MSA_DEBUG; + + return a / b; +} + +inline std::ostream& operator<<(std::ostream& os, const PacketBlock<Packet2cf, 2>& value) { + os << "[ " << value.packet[0] << ", " << std::endl << " " << value.packet[1] << " ]"; + return os; +} + +EIGEN_DEVICE_FUNC inline void ptranspose(PacketBlock<Packet2cf, 2>& kernel) { + EIGEN_MSA_DEBUG; + + Packet4f tmp = + (Packet4f)__builtin_msa_ilvl_d((v2i64)kernel.packet[1].v, (v2i64)kernel.packet[0].v); + kernel.packet[0].v = + (Packet4f)__builtin_msa_ilvr_d((v2i64)kernel.packet[1].v, (v2i64)kernel.packet[0].v); + kernel.packet[1].v = tmp; +} + +template <> +EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, + const Packet2cf& elsePacket) { + return (Packet2cf)(Packet4f)pblend<Packet2d>(ifPacket, (Packet2d)thenPacket.v, + (Packet2d)elsePacket.v); +} + +//---------- double ---------- + +struct Packet1cd { + EIGEN_STRONG_INLINE Packet1cd() { + } + EIGEN_STRONG_INLINE explicit Packet1cd(const std::complex<double>& a) { + v[0] = std::real(a); + v[1] = std::imag(a); + } + EIGEN_STRONG_INLINE explicit Packet1cd(const Packet2d& a) : v(a) { + } + EIGEN_STRONG_INLINE Packet1cd(const Packet1cd& a) : v(a.v) { + } + EIGEN_STRONG_INLINE Packet1cd& operator=(const Packet1cd& b) { + v = b.v; + return *this; + } + EIGEN_STRONG_INLINE Packet1cd conjugate(void) const { + static const v2u64 p2ul_CONJ_XOR = { 0x0, 0x8000000000000000 }; + return (Packet1cd)pxor(v, (Packet2d)p2ul_CONJ_XOR); + } + EIGEN_STRONG_INLINE Packet1cd& operator*=(const Packet1cd& b) { + Packet2d v1, v2; + + // Get the real values of a | a1_re | a1_re + v1 = (Packet2d)__builtin_msa_ilvev_d((v2i64)v, (v2i64)v); + // Get the imag values of a | a1_im | a1_im + v2 = (Packet2d)__builtin_msa_ilvod_d((v2i64)v, (v2i64)v); + // Multiply the real a with b + v1 = pmul(v1, b.v); + // Multiply the imag a with b + v2 = pmul(v2, b.v); + // Conjugate v2 + v2 = Packet1cd(v2).conjugate().v; + // Swap real/imag elements in v2. + v2 = (Packet2d)__builtin_msa_shf_w((v4i32)v2, EIGEN_MSA_SHF_I8(2, 3, 0, 1)); + // Add and return the result + v = padd(v1, v2); + return *this; + } + EIGEN_STRONG_INLINE Packet1cd operator*(const Packet1cd& b) const { + return Packet1cd(*this) *= b; + } + EIGEN_STRONG_INLINE Packet1cd& operator+=(const Packet1cd& b) { + v = padd(v, b.v); + return *this; + } + EIGEN_STRONG_INLINE Packet1cd operator+(const Packet1cd& b) const { + return Packet1cd(*this) += b; + } + EIGEN_STRONG_INLINE Packet1cd& operator-=(const Packet1cd& b) { + v = psub(v, b.v); + return *this; + } + EIGEN_STRONG_INLINE Packet1cd operator-(const Packet1cd& b) const { + return Packet1cd(*this) -= b; + } + EIGEN_STRONG_INLINE Packet1cd& operator/=(const Packet1cd& b) { + *this *= b.conjugate(); + Packet2d s = pmul<Packet2d>(b.v, b.v); + s = padd(s, preverse<Packet2d>(s)); + v = pdiv(v, s); + return *this; + } + EIGEN_STRONG_INLINE Packet1cd operator/(const Packet1cd& b) const { + return Packet1cd(*this) /= b; + } + EIGEN_STRONG_INLINE Packet1cd operator-(void) const { + return Packet1cd(pnegate(v)); + } + + Packet2d v; +}; + +inline std::ostream& operator<<(std::ostream& os, const Packet1cd& value) { + os << "[ (" << value.v[0] << ", " << value.v[1] << "i) ]"; + return os; +} + +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 + }; +}; + +template <> +struct unpacket_traits<Packet1cd> { + typedef std::complex<double> type; + enum { size = 1, alignment = Aligned16 }; + typedef Packet1cd half; +}; + +template <> +EIGEN_STRONG_INLINE Packet1cd pload<Packet1cd>(const std::complex<double>* from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(pload<Packet2d>((const double*)from)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd ploadu<Packet1cd>(const std::complex<double>* from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_UNALIGNED_LOAD return Packet1cd(ploadu<Packet2d>((const double*)from)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pset1<Packet1cd>(const std::complex<double>& from) { + EIGEN_MSA_DEBUG; + + return Packet1cd(from); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd padd<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return a + b; +} + +template <> +EIGEN_STRONG_INLINE Packet1cd psub<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return a - b; +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pnegate(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + return -a; +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + return a.conjugate(); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return a * b; +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pand<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return Packet1cd(pand(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd por<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return Packet1cd(por(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pxor<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return Packet1cd(pxor(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd pandnot<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return Packet1cd(pandnot(a.v, b.v)); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd ploaddup<Packet1cd>(const std::complex<double>* from) { + EIGEN_MSA_DEBUG; + + return pset1<Packet1cd>(*from); +} + +template <> +EIGEN_STRONG_INLINE void pstore<std::complex<double> >(std::complex<double>* to, + const Packet1cd& from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_ALIGNED_STORE pstore<double>((double*)to, from.v); +} + +template <> +EIGEN_STRONG_INLINE void pstoreu<std::complex<double> >(std::complex<double>* to, + const Packet1cd& from) { + EIGEN_MSA_DEBUG; + + EIGEN_DEBUG_UNALIGNED_STORE pstoreu<double>((double*)to, from.v); +} + +template <> +EIGEN_STRONG_INLINE void prefetch<std::complex<double> >(const std::complex<double>* addr) { + EIGEN_MSA_DEBUG; + + prefetch(reinterpret_cast<const double*>(addr)); +} + +template <> +EIGEN_DEVICE_FUNC inline Packet1cd pgather<std::complex<double>, Packet1cd>( + const std::complex<double>* from, Index stride __attribute__((unused))) { + EIGEN_MSA_DEBUG; + + Packet1cd res; + res.v[0] = std::real(from[0]); + res.v[1] = std::imag(from[0]); + return res; +} + +template <> +EIGEN_DEVICE_FUNC inline void pscatter<std::complex<double>, Packet1cd>(std::complex<double>* to, + const Packet1cd& from, + Index stride + __attribute__((unused))) { + EIGEN_MSA_DEBUG; + + pstore(to, from); +} + +template <> +EIGEN_STRONG_INLINE std::complex<double> pfirst<Packet1cd>(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + return std::complex<double>(a.v[0], a.v[1]); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + return a; +} + +template <> +EIGEN_STRONG_INLINE std::complex<double> predux<Packet1cd>(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + return pfirst(a); +} + +template <> +EIGEN_STRONG_INLINE Packet1cd preduxp<Packet1cd>(const Packet1cd* vecs) { + EIGEN_MSA_DEBUG; + + return vecs[0]; +} + +template <> +EIGEN_STRONG_INLINE std::complex<double> predux_mul<Packet1cd>(const Packet1cd& a) { + EIGEN_MSA_DEBUG; + + 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 { + return internal::pmul(a, pconj(b)); + } +}; + +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 { + return internal::pmul(pconj(a), b); + } +}; + +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 { + return pconj(internal::pmul(a, b)); + } +}; + +EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd, Packet2d) + +template <> +EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { + EIGEN_MSA_DEBUG; + + return a / b; +} + +EIGEN_STRONG_INLINE Packet1cd pcplxflip /*<Packet1cd>*/ (const Packet1cd& x) { + EIGEN_MSA_DEBUG; + + return Packet1cd(preverse(Packet2d(x.v))); +} + +inline std::ostream& operator<<(std::ostream& os, const PacketBlock<Packet1cd, 2>& value) { + os << "[ " << value.packet[0] << ", " << std::endl << " " << value.packet[1] << " ]"; + return os; +} + +EIGEN_STRONG_INLINE void ptranspose(PacketBlock<Packet1cd, 2>& kernel) { + EIGEN_MSA_DEBUG; + + Packet2d v1, v2; + + v1 = (Packet2d)__builtin_msa_ilvev_d((v2i64)kernel.packet[0].v, (v2i64)kernel.packet[1].v); + // Get the imag values of a + v2 = (Packet2d)__builtin_msa_ilvod_d((v2i64)kernel.packet[0].v, (v2i64)kernel.packet[1].v); + + kernel.packet[0].v = v1; + kernel.packet[1].v = v2; +} + +} // end namespace internal + +} // end namespace Eigen + +#endif // EIGEN_COMPLEX_MSA_H |