From bc30305d2989443901c8ebe27045c9e996d32a40 Mon Sep 17 00:00:00 2001 From: Konstantinos Margaritis Date: Mon, 9 Oct 2017 16:55:10 -0400 Subject: complete z14 port --- Eigen/src/Core/arch/ZVector/Complex.h | 405 ++++++++++++++++++++++++---------- 1 file changed, 284 insertions(+), 121 deletions(-) (limited to 'Eigen/src/Core/arch/ZVector/Complex.h') diff --git a/Eigen/src/Core/arch/ZVector/Complex.h b/Eigen/src/Core/arch/ZVector/Complex.h index 1bfb73397..3c72968e6 100644 --- a/Eigen/src/Core/arch/ZVector/Complex.h +++ b/Eigen/src/Core/arch/ZVector/Complex.h @@ -15,6 +15,10 @@ namespace Eigen { namespace internal { +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ >= 12) +static Packet4ui p4ui_CONJ_XOR = vec_mergeh((Packet4ui)p4i_ZERO, (Packet4ui)p4f_MZERO);//{ 0x00000000, 0x80000000, 0x00000000, 0x80000000 }; +#endif + static Packet2ul p2ul_CONJ_XOR1 = (Packet2ul) vec_sld((Packet4ui) p2d_ZERO_, (Packet4ui) p2l_ZERO, 8);//{ 0x8000000000000000, 0x0000000000000000 }; static Packet2ul p2ul_CONJ_XOR2 = (Packet2ul) vec_sld((Packet4ui) p2l_ZERO, (Packet4ui) p2d_ZERO_, 8);//{ 0x8000000000000000, 0x0000000000000000 }; @@ -29,10 +33,14 @@ struct Packet2cf { EIGEN_STRONG_INLINE Packet2cf() {} EIGEN_STRONG_INLINE explicit Packet2cf(const Packet4f& a) : v(a) {} +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ < 12) union { Packet4f v; Packet1cd cd[2]; }; +#else + Packet4f v; +#endif }; template<> struct packet_traits > : default_packet_traits @@ -89,63 +97,27 @@ template<> struct unpacket_traits { typedef std::complex type /* Forward declaration */ EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel); -template<> EIGEN_STRONG_INLINE Packet2cf pload (const std::complex* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet2cf(pload((const float*)from)); } +/* complex first */ template<> EIGEN_STRONG_INLINE Packet1cd pload (const std::complex* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(pload((const double*)from)); } -template<> EIGEN_STRONG_INLINE Packet2cf ploadu(const std::complex* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet2cf(ploadu((const float*)from)); } template<> EIGEN_STRONG_INLINE Packet1cd ploadu(const std::complex* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet1cd(ploadu((const double*)from)); } -template<> EIGEN_STRONG_INLINE void pstore >(std::complex * to, const Packet2cf& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((float*)to, from.v); } template<> EIGEN_STRONG_INLINE void pstore >(std::complex * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((double*)to, from.v); } -template<> EIGEN_STRONG_INLINE void pstoreu >(std::complex * to, const Packet2cf& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((float*)to, from.v); } template<> EIGEN_STRONG_INLINE void pstoreu >(std::complex * to, const Packet1cd& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((double*)to, from.v); } template<> EIGEN_STRONG_INLINE Packet1cd pset1(const std::complex& from) { /* here we really have to use unaligned loads :( */ return ploadu(&from); } -template<> EIGEN_STRONG_INLINE Packet2cf pset1(const std::complex& from) -{ - Packet2cf res; - res.cd[0] = Packet1cd(vec_ld2f((const float *)&from)); - res.cd[1] = res.cd[0]; - return res; -} -template<> EIGEN_DEVICE_FUNC inline Packet2cf pgather, Packet2cf>(const std::complex* from, Index stride) -{ - std::complex EIGEN_ALIGN16 af[2]; - af[0] = from[0*stride]; - af[1] = from[1*stride]; - return pload(af); -} template<> EIGEN_DEVICE_FUNC inline Packet1cd pgather, Packet1cd>(const std::complex* from, Index stride EIGEN_UNUSED) { return pload(from); } -template<> EIGEN_DEVICE_FUNC inline void pscatter, Packet2cf>(std::complex* to, const Packet2cf& from, Index stride) -{ - std::complex EIGEN_ALIGN16 af[2]; - pstore >((std::complex *) af, from); - to[0*stride] = af[0]; - to[1*stride] = af[1]; -} template<> EIGEN_DEVICE_FUNC inline void pscatter, Packet1cd>(std::complex* to, const Packet1cd& from, Index stride EIGEN_UNUSED) { pstore >(to, from); } - -template<> EIGEN_STRONG_INLINE Packet2cf padd(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(padd(a.v, b.v)); } template<> EIGEN_STRONG_INLINE Packet1cd padd(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(a.v + b.v); } -template<> EIGEN_STRONG_INLINE Packet2cf psub(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(psub(a.v, b.v)); } template<> EIGEN_STRONG_INLINE Packet1cd psub(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(a.v - b.v); } template<> EIGEN_STRONG_INLINE Packet1cd pnegate(const Packet1cd& a) { return Packet1cd(pnegate(Packet2d(a.v))); } -template<> EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) { return Packet2cf(pnegate(Packet4f(a.v))); } template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) { return Packet1cd((Packet2d)vec_xor((Packet2d)a.v, (Packet2d)p2ul_CONJ_XOR2)); } -template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) -{ - Packet2cf res; - res.v.v4f[0] = pconj(Packet1cd(reinterpret_cast(a.v.v4f[0]))).v; - res.v.v4f[1] = pconj(Packet1cd(reinterpret_cast(a.v.v4f[1]))).v; - return res; -} - template<> EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) { Packet2d a_re, a_im, v1, v2; @@ -163,45 +135,182 @@ template<> EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, con return Packet1cd(v1 + v2); } -template<> EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) +template<> EIGEN_STRONG_INLINE Packet1cd pand (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd por (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_or(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd pxor (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_xor(a.v,b.v)); } +template<> EIGEN_STRONG_INLINE Packet1cd pandnot (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v, vec_nor(b.v,b.v))); } +template<> EIGEN_STRONG_INLINE Packet1cd ploaddup(const std::complex* from) { return pset1(*from); } + +template<> EIGEN_STRONG_INLINE void prefetch >(const std::complex * addr) { EIGEN_ZVECTOR_PREFETCH(addr); } + +template<> EIGEN_STRONG_INLINE std::complex pfirst(const Packet1cd& a) +{ + std::complex EIGEN_ALIGN16 res; + pstore >(&res, a); + + return res; +} + +template<> EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a) { return a; } +template<> EIGEN_STRONG_INLINE std::complex predux(const Packet1cd& a) +{ + return pfirst(a); +} +template<> EIGEN_STRONG_INLINE Packet1cd preduxp(const Packet1cd* vecs) +{ + return vecs[0]; +} +template<> EIGEN_STRONG_INLINE std::complex predux_mul(const Packet1cd& a) +{ + return pfirst(a); +} +template +struct palign_impl +{ + 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 has 16 bytes, it is not necessarily aligned on a 16 bytes boundary... + } +}; + +template<> struct conj_helper +{ + 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 +{ + 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 +{ + 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(const Packet1cd& a, const Packet1cd& b) +{ + // TODO optimize it for AltiVec + Packet1cd res = conj_helper().pmul(a,b); + Packet2d s = vec_madd(b.v, b.v, p2d_ZERO_); + return Packet1cd(pdiv(res.v, s + vec_perm(s, s, p16uc_REVERSE64))); +} + +EIGEN_STRONG_INLINE Packet1cd pcplxflip/**/(const Packet1cd& x) +{ + return Packet1cd(preverse(Packet2d(x.v))); +} + +EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel) +{ + Packet2d tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_HI); + kernel.packet[1].v = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_LO); + kernel.packet[0].v = tmp; +} + +/* complex follows */ +template<> EIGEN_STRONG_INLINE Packet2cf pload (const std::complex* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet2cf(pload((const float*)from)); } +template<> EIGEN_STRONG_INLINE Packet2cf ploadu(const std::complex* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet2cf(ploadu((const float*)from)); } +template<> EIGEN_STRONG_INLINE void pstore >(std::complex * to, const Packet2cf& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((float*)to, from.v); } +template<> EIGEN_STRONG_INLINE void pstoreu >(std::complex * to, const Packet2cf& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((float*)to, from.v); } + +template<> EIGEN_STRONG_INLINE std::complex pfirst(const Packet2cf& a) +{ + std::complex EIGEN_ALIGN16 res[2]; + pstore >(res, a); + + return res[0]; +} + + +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ < 12) +template<> EIGEN_STRONG_INLINE Packet2cf pset1(const std::complex& from) { Packet2cf res; - res.v.v4f[0] = pmul(Packet1cd(reinterpret_cast(a.v.v4f[0])), Packet1cd(reinterpret_cast(b.v.v4f[0]))).v; - res.v.v4f[1] = pmul(Packet1cd(reinterpret_cast(a.v.v4f[1])), Packet1cd(reinterpret_cast(b.v.v4f[1]))).v; + res.cd[0] = Packet1cd(vec_ld2f((const float *)&from)); + res.cd[1] = res.cd[0]; return res; } +#else +template<> EIGEN_STRONG_INLINE Packet2cf pset1(const std::complex& from) +{ + Packet2cf res; + if((std::ptrdiff_t(&from) % 16) == 0) + res.v = pload((const float *)&from); + else + res.v = ploadu((const float *)&from); + res.v = vec_perm(res.v, res.v, p16uc_PSET64_HI); + return res; +} +#endif + +template<> EIGEN_DEVICE_FUNC inline Packet2cf pgather, Packet2cf>(const std::complex* from, Index stride) +{ + std::complex EIGEN_ALIGN16 af[2]; + af[0] = from[0*stride]; + af[1] = from[1*stride]; + return pload(af); +} +template<> EIGEN_DEVICE_FUNC inline void pscatter, Packet2cf>(std::complex* to, const Packet2cf& from, Index stride) +{ + std::complex EIGEN_ALIGN16 af[2]; + pstore >((std::complex *) af, from); + to[0*stride] = af[0]; + to[1*stride] = af[1]; +} + +template<> EIGEN_STRONG_INLINE Packet2cf padd(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(padd(a.v, b.v)); } +template<> EIGEN_STRONG_INLINE Packet2cf psub(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(psub(a.v, b.v)); } +template<> EIGEN_STRONG_INLINE Packet2cf pnegate(const Packet2cf& a) { return Packet2cf(pnegate(Packet4f(a.v))); } -template<> EIGEN_STRONG_INLINE Packet1cd pand (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf pand (const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pand(a.v,b.v)); } -template<> EIGEN_STRONG_INLINE Packet1cd por (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_or(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf por (const Packet2cf& a, const Packet2cf& b) { return Packet2cf(por(a.v,b.v)); } -template<> EIGEN_STRONG_INLINE Packet1cd pxor (const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_xor(a.v,b.v)); } template<> EIGEN_STRONG_INLINE Packet2cf pxor (const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pxor(a.v,b.v)); } -template<> EIGEN_STRONG_INLINE Packet1cd pandnot(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v, vec_nor(b.v,b.v))); } template<> EIGEN_STRONG_INLINE Packet2cf pandnot(const Packet2cf& a, const Packet2cf& b) { return Packet2cf(pandnot(a.v,b.v)); } -template<> EIGEN_STRONG_INLINE Packet1cd ploaddup(const std::complex* from) { return pset1(*from); } template<> EIGEN_STRONG_INLINE Packet2cf ploaddup(const std::complex* from) { return pset1(*from); } template<> EIGEN_STRONG_INLINE void prefetch >(const std::complex * addr) { EIGEN_ZVECTOR_PREFETCH(addr); } -template<> EIGEN_STRONG_INLINE void prefetch >(const std::complex * addr) { EIGEN_ZVECTOR_PREFETCH(addr); } -template<> EIGEN_STRONG_INLINE std::complex pfirst(const Packet1cd& a) -{ - std::complex EIGEN_ALIGN16 res; - pstore >(&res, a); +#if !defined(__ARCH__) || (defined(__ARCH__) && __ARCH__ < 12) +template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) +{ + Packet2cf res; + res.v.v4f[0] = pconj(Packet1cd(reinterpret_cast(a.v.v4f[0]))).v; + res.v.v4f[1] = pconj(Packet1cd(reinterpret_cast(a.v.v4f[1]))).v; return res; } -template<> EIGEN_STRONG_INLINE std::complex pfirst(const Packet2cf& a) -{ - std::complex EIGEN_ALIGN16 res[2]; - pstore >(res, a); - return res[0]; +template<> EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) +{ + Packet2cf res; + res.v.v4f[0] = pmul(Packet1cd(reinterpret_cast(a.v.v4f[0])), Packet1cd(reinterpret_cast(b.v.v4f[0]))).v; + res.v.v4f[1] = pmul(Packet1cd(reinterpret_cast(a.v.v4f[1])), Packet1cd(reinterpret_cast(b.v.v4f[1]))).v; + return res; } -template<> EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a) { return a; } template<> EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a) { Packet2cf res; @@ -210,10 +319,6 @@ template<> EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a) return res; } -template<> EIGEN_STRONG_INLINE std::complex predux(const Packet1cd& a) -{ - return pfirst(a); -} template<> EIGEN_STRONG_INLINE std::complex predux(const Packet2cf& a) { std::complex res; @@ -222,10 +327,6 @@ template<> EIGEN_STRONG_INLINE std::complex predux(const Packe return res; } -template<> EIGEN_STRONG_INLINE Packet1cd preduxp(const Packet1cd* vecs) -{ - return vecs[0]; -} template<> EIGEN_STRONG_INLINE Packet2cf preduxp(const Packet2cf* vecs) { PacketBlock transpose; @@ -236,10 +337,6 @@ template<> EIGEN_STRONG_INLINE Packet2cf preduxp(const Packet2cf* vec return padd(transpose.packet[0], transpose.packet[1]); } -template<> EIGEN_STRONG_INLINE std::complex predux_mul(const Packet1cd& a) -{ - return pfirst(a); -} template<> EIGEN_STRONG_INLINE std::complex predux_mul(const Packet2cf& a) { std::complex res; @@ -248,16 +345,6 @@ template<> EIGEN_STRONG_INLINE std::complex predux_mul(const P return res; } -template -struct palign_impl -{ - 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 has 16 bytes, it is not necessarily aligned on a 16 bytes boundary... - } -}; - template struct palign_impl { @@ -270,39 +357,140 @@ struct palign_impl } }; -template<> struct conj_helper +template<> struct conj_helper { - EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const { return padd(pmul(x,y),c); } - EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const { return internal::pmul(a, pconj(b)); } }; -template<> struct conj_helper +template<> struct conj_helper { - EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const { return padd(pmul(x,y),c); } - EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) const { return internal::pmul(pconj(a), b); } }; -template<> struct conj_helper +template<> struct conj_helper { - EIGEN_STRONG_INLINE Packet1cd pmadd(const Packet1cd& x, const Packet1cd& y, const Packet1cd& c) const + EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const { return padd(pmul(x,y),c); } - EIGEN_STRONG_INLINE Packet1cd pmul(const Packet1cd& a, const Packet1cd& b) const + 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(const Packet2cf& a, const Packet2cf& b) +{ + // TODO optimize it for AltiVec + Packet2cf res; + res.cd[0] = pdiv(a.cd[0], b.cd[0]); + res.cd[1] = pdiv(a.cd[1], b.cd[1]); + return res; +} + +EIGEN_STRONG_INLINE Packet2cf pcplxflip/**/(const Packet2cf& x) +{ + Packet2cf res; + res.cd[0] = pcplxflip(x.cd[0]); + res.cd[1] = pcplxflip(x.cd[1]); + return res; +} + +EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel) +{ + Packet1cd tmp = kernel.packet[0].cd[1]; + kernel.packet[0].cd[1] = kernel.packet[1].cd[0]; + kernel.packet[1].cd[0] = tmp; +} + +template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, const Packet2cf& elsePacket) { + Packet2cf result; + const Selector<4> ifPacket4 = { ifPacket.select[0], ifPacket.select[0], ifPacket.select[1], ifPacket.select[1] }; + result.v = pblend(ifPacket4, thenPacket.v, elsePacket.v); + return result; +} +#else +template<> EIGEN_STRONG_INLINE Packet2cf pconj(const Packet2cf& a) { return Packet2cf(pxor(a.v, reinterpret_cast(p4ui_CONJ_XOR))); } +template<> EIGEN_STRONG_INLINE Packet2cf pmul(const Packet2cf& a, const Packet2cf& b) +{ + Packet4f v1, v2; + + // Permute and multiply the real parts of a and b + v1 = vec_perm(a.v, a.v, p16uc_PSET32_WODD); + // Get the imaginary parts of a + v2 = vec_perm(a.v, a.v, p16uc_PSET32_WEVEN); + // multiply a_re * b + v1 = vec_madd(v1, b.v, p4f_ZERO); + // multiply a_im * b and get the conjugate result + v2 = vec_madd(v2, b.v, p4f_ZERO); + v2 = reinterpret_cast(pxor(v2, reinterpret_cast(p4ui_CONJ_XOR))); + // permute back to a proper order + v2 = vec_perm(v2, v2, p16uc_COMPLEX32_REV); + + return Packet2cf(padd(v1, v2)); +} + +template<> EIGEN_STRONG_INLINE Packet2cf preverse(const Packet2cf& a) +{ + Packet4f rev_a; + rev_a = vec_perm(a.v, a.v, p16uc_COMPLEX32_REV2); + return Packet2cf(rev_a); +} + +template<> EIGEN_STRONG_INLINE std::complex predux(const Packet2cf& a) +{ + Packet4f b; + b = vec_sld(a.v, a.v, 8); + b = padd(a.v, b); + return pfirst(Packet2cf(b)); +} + +template<> EIGEN_STRONG_INLINE Packet2cf preduxp(const Packet2cf* vecs) +{ + Packet4f b1, b2; + b1 = vec_sld(vecs[0].v, vecs[1].v, 8); + b2 = vec_sld(vecs[1].v, vecs[0].v, 8); + b2 = vec_sld(b2, b2, 8); + b2 = padd(b1, b2); + + return Packet2cf(b2); +} + +template<> EIGEN_STRONG_INLINE std::complex predux_mul(const Packet2cf& a) +{ + Packet4f b; + Packet2cf prod; + b = vec_sld(a.v, a.v, 8); + prod = pmul(a, Packet2cf(b)); + + return pfirst(prod); +} + +template +struct palign_impl +{ + static EIGEN_STRONG_INLINE void run(Packet2cf& first, const Packet2cf& second) + { + if (Offset==1) + { + first.v = vec_sld(first.v, second.v, 8); + } + } +}; + template<> struct conj_helper { EIGEN_STRONG_INLINE Packet2cf pmadd(const Packet2cf& x, const Packet2cf& y, const Packet2cf& c) const @@ -337,58 +525,33 @@ template<> struct conj_helper }; EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet2cf,Packet4f) -EIGEN_MAKE_CONJ_HELPER_CPLX_REAL(Packet1cd,Packet2d) - -template<> EIGEN_STRONG_INLINE Packet1cd pdiv(const Packet1cd& a, const Packet1cd& b) -{ - // TODO optimize it for AltiVec - Packet1cd res = conj_helper().pmul(a,b); - Packet2d s = vec_madd(b.v, b.v, p2d_ZERO_); - return Packet1cd(pdiv(res.v, s + vec_perm(s, s, p16uc_REVERSE64))); -} template<> EIGEN_STRONG_INLINE Packet2cf pdiv(const Packet2cf& a, const Packet2cf& b) { // TODO optimize it for AltiVec - Packet2cf res; - res.cd[0] = pdiv(a.cd[0], b.cd[0]); - res.cd[1] = pdiv(a.cd[1], b.cd[1]); - return res; -} - -EIGEN_STRONG_INLINE Packet1cd pcplxflip/**/(const Packet1cd& x) -{ - return Packet1cd(preverse(Packet2d(x.v))); + Packet2cf res = conj_helper().pmul(a, b); + Packet4f s = pmul(b.v, b.v); + return Packet2cf(pdiv(res.v, padd(s, vec_perm(s, s, p16uc_COMPLEX32_REV)))); } -EIGEN_STRONG_INLINE Packet2cf pcplxflip/**/(const Packet2cf& x) +template<> EIGEN_STRONG_INLINE Packet2cf pcplxflip(const Packet2cf& x) { - Packet2cf res; - res.cd[0] = pcplxflip(x.cd[0]); - res.cd[1] = pcplxflip(x.cd[1]); - return res; + return Packet2cf(vec_perm(x.v, x.v, p16uc_COMPLEX32_REV)); } -EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel) +EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel) { - Packet2d tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_HI); + Packet4f tmp = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_HI); kernel.packet[1].v = vec_perm(kernel.packet[0].v, kernel.packet[1].v, p16uc_TRANSPOSE64_LO); kernel.packet[0].v = tmp; } -EIGEN_STRONG_INLINE void ptranspose(PacketBlock& kernel) -{ - Packet1cd tmp = kernel.packet[0].cd[1]; - kernel.packet[0].cd[1] = kernel.packet[1].cd[0]; - kernel.packet[1].cd[0] = tmp; -} - template<> EIGEN_STRONG_INLINE Packet2cf pblend(const Selector<2>& ifPacket, const Packet2cf& thenPacket, const Packet2cf& elsePacket) { Packet2cf result; - const Selector<4> ifPacket4 = { ifPacket.select[0], ifPacket.select[0], ifPacket.select[1], ifPacket.select[1] }; - result.v = pblend(ifPacket4, thenPacket.v, elsePacket.v); + result.v = reinterpret_cast(pblend(ifPacket, reinterpret_cast(thenPacket.v), reinterpret_cast(elsePacket.v))); return result; } +#endif } // end namespace internal -- cgit v1.2.3