mirror of
https://gitlab.com/libeigen/eigen.git
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First time it compiles, but fails to pass the tests.
This commit is contained in:
Konstantinos Margaritis
parent
7ff266e3ce
commit
470aa15c35
@ -297,13 +297,9 @@ using std::ptrdiff_t;
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#include "src/Core/arch/SSE/PacketMath.h"
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#include "src/Core/arch/SSE/MathFunctions.h"
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#include "src/Core/arch/SSE/Complex.h"
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#elif defined(EIGEN_VECTORIZE_ALTIVEC)
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#elif defined(EIGEN_VECTORIZE_ALTIVEC) || defined(EIGEN_VECTORIZE_VSX)
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#include "src/Core/arch/AltiVec/PacketMath.h"
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#include "src/Core/arch/AltiVec/Complex.h"
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#elif defined(EIGEN_VECTORIZE_ALTIVEC)
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#include "src/Core/arch/AltiVec/PacketMath.h"
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#include "src/Core/arch/AltiVec/VSX.h"
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#include "src/Core/arch/AltiVec/Complex.h"
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#elif defined EIGEN_VECTORIZE_NEON
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#include "src/Core/arch/NEON/PacketMath.h"
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#include "src/Core/arch/NEON/Complex.h"
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@ -18,7 +18,7 @@ namespace internal {
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static Packet4ui p4ui_CONJ_XOR = vec_mergeh((Packet4ui)p4i_ZERO, (Packet4ui)p4f_ZERO_);//{ 0x00000000, 0x80000000, 0x00000000, 0x80000000 };
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#else
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static Packet4ui p4ui_CONJ_XOR = vec_mergeh((Packet4ui)p4f_ZERO_, (Packet4ui)p4i_ZERO);//{ 0x80000000, 0x00000000, 0x80000000, 0x00000000 };
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static Packet2ul p2ul_CONJ_XOR = (Packet2ul) vec_sld((Packet4ui)p2d_ZERO_, (Packet4ui)p2l_ZERO, 8);//{ 0x8000000000000000, 0x0000000000000000 };
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static Packet2ul p2ul_CONJ_XOR = (Packet2ul) vec_sld((Packet4ui) p2d_ZERO_, (Packet4ui)p2l_ZERO, 8);//{ 0x8000000000000000, 0x0000000000000000 };
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#endif
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static Packet16uc p16uc_COMPLEX_RE = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 0), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 2), 8);//{ 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };
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@ -276,28 +276,58 @@ template<> struct packet_traits<std::complex<double> > : default_packet_traits
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template<> struct unpacket_traits<Packet1cd> { typedef std::complex<double> type; enum {size=1}; typedef Packet1cd half; };
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template<> EIGEN_STRONG_INLINE Packet1cd pload <Packet1cd>(const std::complex<double>* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(pload<Packet2d>((const double*)from)); }
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template<> EIGEN_STRONG_INLINE Packet1cd ploadu<Packet1cd>(const std::complex<double>* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet1cd(ploadu<Packet2d>((const double*)from)); }
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template<> EIGEN_STRONG_INLINE void pstore <std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((double*)to, from.v); }
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template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((double*)to, from.v); }
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template<> EIGEN_STRONG_INLINE Packet1cd pset1<Packet1cd>(const std::complex<double>& from)
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{
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Packet1cd res;
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/* On AltiVec we cannot load 64-bit registers, so wa have to take care of alignment */
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if((ptrdiff_t(&from) % 16) == 0)
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res.v = pload<Packet2d>((const double *)&from);
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else
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res.v = ploadu<Packet2d>((const double *)&from);
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res.v = vec_perm(res.v, res.v, p16uc_PSET_HI);
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return res;
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}
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template<> EIGEN_DEVICE_FUNC inline Packet1cd pgather<std::complex<double>, Packet1cd>(const std::complex<double>* from, DenseIndex stride)
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{
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std::complex<double> EIGEN_ALIGN16 af[2];
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af[0] = from[0*stride];
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af[1] = from[1*stride];
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return pload<Packet1cd>(af);
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}
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template<> EIGEN_DEVICE_FUNC inline void pscatter<std::complex<double>, Packet1cd>(std::complex<double>* to, const Packet1cd& from, DenseIndex stride)
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{
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std::complex<double> EIGEN_ALIGN16 af[2];
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pstore<std::complex<double> >(af, from);
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to[0*stride] = af[0];
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to[1*stride] = af[1];
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}
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template<> EIGEN_STRONG_INLINE Packet1cd padd<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_add(a.v,b.v)); }
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template<> EIGEN_STRONG_INLINE Packet1cd psub<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_sub(a.v,b.v)); }
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template<> EIGEN_STRONG_INLINE Packet1cd pnegate(const Packet1cd& a) { return Packet1cd(pnegate(Packet2d(a.v))); }
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template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) { return Packet1cd((Packet2d)vec_xor((Packet2ul)a.v, p2ul_CONJ_XOR)); }
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template<> EIGEN_STRONG_INLINE Packet1cd pconj(const Packet1cd& a) { return Packet1cd((Packet2d)vec_xor((Packet2d)a.v, (Packet2d)p2ul_CONJ_XOR)); }
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template<> EIGEN_STRONG_INLINE Packet1cd pmul<Packet1cd>(const Packet1cd& a, const Packet1cd& b)
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{
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Packet2d v1, v2;
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Packet2d a_re, a_im, v1, v2;
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// Permute and multiply the real parts of a and b
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v1 = vec_perm(a.v, a.v, p16uc_COMPLEX_RE);
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a_re = vec_perm(a.v, a.v, p16uc_PSET_HI);
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// Get the imaginary parts of a
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v2 = vec_perm(a.v, a.v, p16uc_COMPLEX_IM);
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a_im = vec_perm(a.v, a.v, p16uc_PSET_HI);
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// multiply a_re * b
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v1 = vec_madd(v1, b.v, p4f_ZERO);
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v1 = vec_madd(a_re, b.v, p2d_ZERO_);
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// multiply a_im * b and get the conjugate result
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v2 = vec_madd(v2, b.v, p4f_ZERO);
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v2 = (Packet4f) vec_xor((Packet4ui)v2, p4ui_CONJ_XOR);
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// permute back to a proper order
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v2 = vec_perm(v2, v2, p16uc_COMPLEX_REV);
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v2 = vec_madd(a_im, b.v, p2d_ZERO_);
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v2 = (Packet2d) vec_sld((Packet4ui)v2, (Packet4ui)v2, 8);
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v2 = (Packet2d) vec_xor((Packet2d)v2, (Packet2d) p2ul_CONJ_XOR);
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return Packet2cf(vec_add(v1, v2));
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return Packet1cd(vec_add(v1, v2));
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}
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template<> EIGEN_STRONG_INLINE Packet1cd pand <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v,b.v)); }
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@ -305,23 +335,17 @@ template<> EIGEN_STRONG_INLINE Packet1cd por <Packet1cd>(const Packet1cd& a,
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template<> EIGEN_STRONG_INLINE Packet1cd pxor <Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_xor(a.v,b.v)); }
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template<> EIGEN_STRONG_INLINE Packet1cd pandnot<Packet1cd>(const Packet1cd& a, const Packet1cd& b) { return Packet1cd(vec_and(a.v, vec_nor(b.v,b.v))); }
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template<> EIGEN_STRONG_INLINE Packet1cd pload <Packet1cd>(const std::complex<double>* from) { EIGEN_DEBUG_ALIGNED_LOAD return Packet1cd(pload<Packet4f>((const double*)from)); }
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template<> EIGEN_STRONG_INLINE Packet1cd ploadu<Packet1cd>(const std::complex<double>* from) { EIGEN_DEBUG_UNALIGNED_LOAD return Packet1cd(ploadu<Packet4f>((const double*)from)); }
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template<> EIGEN_STRONG_INLINE Packet1cd ploaddup<Packet1cd>(const std::complex<double>* from)
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{
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return pset1<Packet1cd>(*from);
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}
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template<> EIGEN_STRONG_INLINE void pstore <std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_ALIGNED_STORE pstore((double*)to, from.v); }
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template<> EIGEN_STRONG_INLINE void pstoreu<std::complex<double> >(std::complex<double> * to, const Packet1cd& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu((double*)to, from.v); }
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template<> EIGEN_STRONG_INLINE void prefetch<std::complex<double> >(const std::complex<double> * addr) { vec_dstt((double *)addr, DST_CTRL(2,2,32), DST_CHAN); }
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template<> EIGEN_STRONG_INLINE void prefetch<std::complex<double> >(const std::complex<double> * addr) { vec_dstt((long *)addr, DST_CTRL(2,2,32), DST_CHAN); }
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template<> EIGEN_STRONG_INLINE std::complex<double> pfirst<Packet1cd>(const Packet1cd& a)
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{
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std::complex<double> EIGEN_ALIGN16 res[2];
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pstore((float *)&res, a.v);
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pstore<std::complex<double> >(res, a);
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return res[0];
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}
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@ -336,7 +360,7 @@ template<> EIGEN_STRONG_INLINE Packet1cd preverse(const Packet1cd& a)
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template<> EIGEN_STRONG_INLINE std::complex<double> predux<Packet1cd>(const Packet1cd& a)
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{
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Packet2d b;
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b = (Packet2d) vec_sld(a.v, a.v, 8);
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b = (Packet2d) vec_sld((Packet4ui) a.v, (Packet4ui) a.v, 8);
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b = padd(a.v, b);
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return pfirst(Packet1cd(b));
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}
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@ -345,9 +369,9 @@ template<> EIGEN_STRONG_INLINE Packet1cd preduxp<Packet1cd>(const Packet1cd* vec
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{
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Packet2d b1, b2;
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b1 = (Packet2d) vec_sld(vecs[0].v, vecs[1].v, 8);
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b2 = (Packet2d) vec_sld(vecs[1].v, vecs[0].v, 8);
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b2 = (Packet2d) vec_sld(b2, b2, 8);
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b1 = (Packet2d) vec_sld((Packet4ui) vecs[0].v, (Packet4ui) vecs[1].v, 8);
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b2 = (Packet2d) vec_sld((Packet4ui) vecs[1].v, (Packet4ui) vecs[0].v, 8);
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b2 = (Packet2d) vec_sld((Packet4ui) b2, (Packet4ui) b2, 8);
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b2 = padd(b1, b2);
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return Packet1cd(b2);
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@ -357,7 +381,7 @@ template<> EIGEN_STRONG_INLINE std::complex<double> predux_mul<Packet1cd>(const
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{
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Packet2d b;
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Packet1cd prod;
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b = (Packet2d) vec_sld(a.v, a.v, 8);
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b = (Packet2d) vec_sld((Packet4ui) a.v, (Packet4ui) a.v, 8);
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prod = pmul(a, Packet1cd(b));
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return pfirst(prod);
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@ -407,7 +431,7 @@ template<> EIGEN_STRONG_INLINE Packet1cd pdiv<Packet1cd>(const Packet1cd& a, con
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{
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// TODO optimize it for AltiVec
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Packet1cd res = conj_helper<Packet1cd,Packet1cd,false,true>().pmul(a,b);
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Packet2d s = vec_madd(b.v, b.v, p4f_ZERO);
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Packet2d s = vec_madd(b.v, b.v, p2d_ZERO_);
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return Packet1cd(pdiv(res.v, vec_add(s,vec_perm(s, s, p16uc_COMPLEX_REV))));
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}
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@ -31,12 +31,6 @@ namespace internal {
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#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 16
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#endif
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#ifdef __VSX__
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typedef __vector double Packet2d;
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typedef __vector unsigned long Packet2ul;
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typedef __vector long Packet2l;
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#endif // __VSX__
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typedef __vector float Packet4f;
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typedef __vector int Packet4i;
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typedef __vector unsigned int Packet4ui;
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@ -82,8 +76,6 @@ static Packet4i p4i_COUNTDOWN = { 3, 2, 1, 0 };
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static Packet16uc p16uc_REVERSE = { 0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15 };
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static Packet16uc p16uc_FORWARD = { 12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3};
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static Packet16uc p16uc_DUPLICATE = { 4,5,6,7, 4,5,6,7, 0,1,2,3, 0,1,2,3 };
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static Packet2d p2d_ZERO_ = (Packet2d) { 0x8000000000000000, 0x8000000000000000 };
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static Packet2l p2l_ZERO = (Packet2l) { 0x0, 0x0 };
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#endif // _BIG_ENDIAN
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// These constants are endian-agnostic
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@ -114,24 +106,6 @@ template<> struct packet_traits<float> : default_packet_traits
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HasSqrt = 0
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};
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};
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#ifdef __VSX__
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template<> struct packet_traits<double> : default_packet_traits
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{
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typedef Packet2d type;
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typedef Packet2d half;
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enum {
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Vectorizable = 1,
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AlignedOnScalar = 1,
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size=2,
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HasHalfPacket = 0,
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HasDiv = 1,
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HasExp = 0,
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HasSqrt = 0
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};
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};
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#endif // __VSX__
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template<> struct packet_traits<int> : default_packet_traits
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{
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typedef Packet4i type;
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@ -144,9 +118,6 @@ template<> struct packet_traits<int> : default_packet_traits
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};
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};
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#ifdef __VSX__
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template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2}; typedef Packet2d half; };
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#endif // __VSX__
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template<> struct unpacket_traits<Packet4f> { typedef float type; enum {size=4}; typedef Packet4f half; };
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template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4}; typedef Packet4i half; };
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@ -196,11 +167,18 @@ inline std::ostream & operator <<(std::ostream & s, const Packetbi & v)
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}
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*/
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// Need to define them first or we get specialization after instantiation errors
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template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
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template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
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template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }
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template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }
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template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) {
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// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
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float EIGEN_ALIGN16 af[4];
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af[0] = from;
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Packet4f vc = vec_ld(0, af);
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Packet4f vc = pload<Packet4f>(af);
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vc = vec_splat(vc, 0);
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return vc;
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}
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@ -208,17 +186,15 @@ template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) {
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template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) {
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int EIGEN_ALIGN16 ai[4];
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ai[0] = from;
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Packet4i vc = vec_ld(0, ai);
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Packet4i vc = pload<Packet4i>(ai);
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vc = vec_splat(vc, 0);
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return vc;
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}
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template<> EIGEN_STRONG_INLINE void
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pbroadcast4<Packet4f>(const float *a,
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Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
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{
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a3 = vec_ld(0,a);
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a3 = pload<Packet4f>(a);
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a0 = vec_splat(a3, 0);
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a1 = vec_splat(a3, 1);
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a2 = vec_splat(a3, 2);
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@ -228,7 +204,7 @@ template<> EIGEN_STRONG_INLINE void
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pbroadcast4<Packet4i>(const int *a,
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Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3)
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{
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a3 = vec_ld(0,a);
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a3 = pload<Packet4i>(a);
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a0 = vec_splat(a3, 0);
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a1 = vec_splat(a3, 1);
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a2 = vec_splat(a3, 2);
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@ -242,7 +218,7 @@ template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const floa
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af[1] = from[1*stride];
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af[2] = from[2*stride];
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af[3] = from[3*stride];
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return vec_ld(0, af);
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return pload<Packet4f>(af);
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}
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template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int, Packet4i>(const int* from, DenseIndex stride)
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{
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@ -251,12 +227,12 @@ template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int, Packet4i>(const int* f
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ai[1] = from[1*stride];
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ai[2] = from[2*stride];
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ai[3] = from[3*stride];
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return vec_ld(0, ai);
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return pload<Packet4i>(ai);
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}
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template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, const Packet4f& from, DenseIndex stride)
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{
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float EIGEN_ALIGN16 af[4];
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vec_st(from, 0, af);
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pstore<float>(af, from);
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to[0*stride] = af[0];
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to[1*stride] = af[1];
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to[2*stride] = af[2];
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@ -265,7 +241,7 @@ template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, co
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template<> EIGEN_DEVICE_FUNC inline void pscatter<int, Packet4i>(int* to, const Packet4i& from, DenseIndex stride)
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{
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int EIGEN_ALIGN16 ai[4];
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vec_st(from, 0, ai);
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pstore<int>((int *)ai, from);
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to[0*stride] = ai[0];
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to[1*stride] = ai[1];
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to[2*stride] = ai[2];
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@ -366,10 +342,7 @@ template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const
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template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_and(a, vec_nor(b, b)); }
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template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_and(a, vec_nor(b, b)); }
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template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
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template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
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#ifndef __VSX__
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#ifdef _BIG_ENDIAN
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template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
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{
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EIGEN_DEBUG_ALIGNED_LOAD
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@ -393,6 +366,7 @@ template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
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return (Packet4i) vec_perm(MSQ, LSQ, mask); // align the data
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}
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||||
#else
|
||||
// We also need ot redefine little endian loading of Packet4i/Packet4f using VSX
|
||||
template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
|
||||
{
|
||||
EIGEN_DEBUG_ALIGNED_LOAD
|
||||
@ -420,9 +394,6 @@ template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from)
|
||||
return vec_perm(p, p, p16uc_DUPLICATE);
|
||||
}
|
||||
|
||||
template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }
|
||||
template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st(from, 0, to); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& from)
|
||||
{
|
||||
EIGEN_DEBUG_UNALIGNED_STORE
|
||||
@ -642,6 +613,252 @@ ptranspose(PacketBlock<Packet4i,4>& kernel) {
|
||||
kernel.packet[3] = vec_mergel(t1, t3);
|
||||
}
|
||||
|
||||
|
||||
//---------- double ----------
|
||||
#ifdef __VSX__
|
||||
typedef __vector double Packet2d;
|
||||
typedef __vector unsigned long long Packet2ul;
|
||||
typedef __vector long long Packet2l;
|
||||
|
||||
static Packet2l p2l_ZERO = { 0x0, 0x0 };
|
||||
static Packet2d p2l_ONE = { 1, 1 };
|
||||
static Packet2d p2d_ONE = { 1.0, 1.0 };
|
||||
static Packet2d p2d_ZERO = { 0.0, 0.0 };
|
||||
static Packet2d p2d_ZERO_ = { (double) 0x8000000000000000, (double) 0x8000000000000000 };
|
||||
static Packet2d p2d_COUNTDOWN = { 1.0, 0.0 };
|
||||
|
||||
#ifdef _BIG_ENDIAN
|
||||
static Packet16uc p16uc_SPLATQ1 = { 0,1,2,3, 4,5,6,7, 0,1,2,3, 4,5,6,7 };
|
||||
static Packet16uc p16uc_SPLATQ2 = { 8,9,10,11, 12,13,14,15, 8,9,10,11, 12,13,14,15 };
|
||||
#else
|
||||
static Packet16uc p16uc_SPLATQ1 = { 4,5,6,7, 0,1,2,3, 4,5,6,7, 0,1,3,4 };
|
||||
static Packet16uc p16uc_SPLATQ2 = { 12,13,14,15, 8,9,10,11, 12,13,14,15, 8,9,10,11 };
|
||||
#endif
|
||||
|
||||
|
||||
static EIGEN_STRONG_INLINE Packet2d vec_splat_dbl(Packet2d& a, int index)
|
||||
{
|
||||
switch (index) {
|
||||
case 0:
|
||||
return (Packet2d) vec_perm(a, a, p16uc_SPLATQ1);
|
||||
case 1:
|
||||
return (Packet2d) vec_perm(a, a, p16uc_SPLATQ2);
|
||||
}
|
||||
return a;
|
||||
}
|
||||
|
||||
template<> struct packet_traits<double> : default_packet_traits
|
||||
{
|
||||
typedef Packet2d type;
|
||||
typedef Packet2d half;
|
||||
enum {
|
||||
Vectorizable = 1,
|
||||
AlignedOnScalar = 1,
|
||||
size=2,
|
||||
HasHalfPacket = 0,
|
||||
|
||||
HasDiv = 1,
|
||||
HasExp = 0,
|
||||
HasSqrt = 0
|
||||
};
|
||||
};
|
||||
|
||||
template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2}; typedef Packet2d half; };
|
||||
|
||||
/*
|
||||
inline std::ostream & operator <<(std::ostream & s, const Packet2d & v)
|
||||
{
|
||||
union {
|
||||
Packetdf v;
|
||||
double n[2];
|
||||
} vt;
|
||||
vt.v = v;
|
||||
s << vt.n[0] << ", " << vt.n[1];
|
||||
return s;
|
||||
}*/
|
||||
|
||||
// Need to define them first or we get specialization after instantiation errors
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(const double* from) { EIGEN_DEBUG_ALIGNED_LOAD return (Packet2d) vec_ld(0, (const float *) from); } //FIXME
|
||||
|
||||
template<> EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE vec_st((Packet4f)from, 0, (float *)to); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) {
|
||||
double EIGEN_ALIGN16 af[2];
|
||||
af[0] = from;
|
||||
Packet2d vc = pload<Packet2d>(af);
|
||||
vc = vec_splat_dbl(vc, 0);
|
||||
return vc;
|
||||
}
|
||||
template<> EIGEN_STRONG_INLINE void
|
||||
pbroadcast4<Packet2d>(const double *a,
|
||||
Packet2d& a0, Packet2d& a1, Packet2d& a2, Packet2d& a3)
|
||||
{
|
||||
a1 = pload<Packet2d>(a);
|
||||
a0 = vec_splat_dbl(a1, 0);
|
||||
a1 = vec_splat_dbl(a1, 1);
|
||||
a3 = pload<Packet2d>(a+2);
|
||||
a2 = vec_splat_dbl(a3, 0);
|
||||
a3 = vec_splat_dbl(a1, 1);
|
||||
}
|
||||
template<> EIGEN_DEVICE_FUNC inline Packet2d pgather<double, Packet2d>(const double* from, DenseIndex stride)
|
||||
{
|
||||
double EIGEN_ALIGN16 af[2];
|
||||
af[0] = from[0*stride];
|
||||
af[1] = from[1*stride];
|
||||
return pload<Packet2d>(af);
|
||||
}
|
||||
template<> EIGEN_DEVICE_FUNC inline void pscatter<double, Packet2d>(double* to, const Packet2d& from, DenseIndex stride)
|
||||
{
|
||||
double EIGEN_ALIGN16 af[2];
|
||||
pstore<double>(af, from);
|
||||
to[0*stride] = af[0];
|
||||
to[1*stride] = af[1];
|
||||
}
|
||||
template<> EIGEN_STRONG_INLINE Packet2d plset<double>(const double& a) { return vec_add(pset1<Packet2d>(a), p2d_COUNTDOWN); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_add(a,b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_sub(a,b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pnegate(const Packet2d& a) { return psub<Packet2d>(p2d_ZERO, a); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pconj(const Packet2d& a) { return a; }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_madd(a,b,p2d_ZERO); }
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(const Packet2d& a, const Packet2d& b)
|
||||
{
|
||||
Packet2d t, y_0, y_1, res;
|
||||
|
||||
// Altivec does not offer a divide instruction, we have to do a reciprocal approximation
|
||||
y_0 = vec_re(b);
|
||||
|
||||
// Do one Newton-Raphson iteration to get the needed accuracy
|
||||
t = vec_nmsub(y_0, b, p2d_ONE);
|
||||
y_1 = vec_madd(y_0, t, y_0);
|
||||
|
||||
res = vec_madd(a, y_1, p2d_ZERO);
|
||||
return res;
|
||||
}
|
||||
|
||||
// for some weird raisons, it has to be overloaded for packet of integers
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pmadd(const Packet2d& a, const Packet2d& b, const Packet2d& c) { return vec_madd(a, b, c); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_min(a, b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_max(a, b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_and(a, b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_or(a, b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_xor(a, b); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_and(a, vec_nor(b, b)); }
|
||||
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from)
|
||||
{
|
||||
EIGEN_DEBUG_ALIGNED_LOAD
|
||||
return (Packet2d) vec_vsx_ld((int)((size_t)(from) & 15), (const float *)from); // align the data
|
||||
}
|
||||
template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(const double* from)
|
||||
{
|
||||
Packet2d p;
|
||||
if((ptrdiff_t(from) % 16) == 0) p = pload<Packet2d>(from);
|
||||
else p = ploadu<Packet2d>(from);
|
||||
return vec_perm(p, p, p16uc_DUPLICATE);
|
||||
}
|
||||
|
||||
template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet2d& from)
|
||||
{
|
||||
EIGEN_DEBUG_UNALIGNED_STORE
|
||||
// Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
|
||||
// Warning: not thread safe!
|
||||
Packet16uc MSQ, LSQ, edges;
|
||||
Packet16uc edgeAlign, align;
|
||||
|
||||
MSQ = vec_ld(0, (unsigned char *)to); // most significant quadword
|
||||
LSQ = vec_ld(15, (unsigned char *)to); // least significant quadword
|
||||
edgeAlign = vec_lvsl(0, to); // permute map to extract edges
|
||||
edges=vec_perm(LSQ,MSQ,edgeAlign); // extract the edges
|
||||
align = vec_lvsr( 0, to ); // permute map to misalign data
|
||||
MSQ = vec_perm(edges,(Packet16uc)from,align); // misalign the data (MSQ)
|
||||
LSQ = vec_perm((Packet16uc)from,edges,align); // misalign the data (LSQ)
|
||||
vec_st( LSQ, 15, (unsigned char *)to ); // Store the LSQ part first
|
||||
vec_st( MSQ, 0, (unsigned char *)to ); // Store the MSQ part
|
||||
}
|
||||
template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { vec_dstt((const float *) addr, DST_CTRL(2,2,32), DST_CHAN); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE double pfirst<Packet2d>(const Packet2d& a) { double EIGEN_ALIGN16 x[2]; pstore(x, a); return x[0]; }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d preverse(const Packet2d& a) { return (Packet2d)vec_perm((Packet16uc)a,(Packet16uc)a, p16uc_REVERSE); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d pabs(const Packet2d& a) { return vec_abs(a); }
|
||||
|
||||
template<> EIGEN_STRONG_INLINE double predux<Packet2d>(const Packet2d& a)
|
||||
{
|
||||
Packet2d b, sum;
|
||||
b = (Packet2d) vec_sld((Packet4ui) a, (Packet4ui)a, 8);
|
||||
sum = vec_add(a, b);
|
||||
return pfirst(sum);
|
||||
}
|
||||
|
||||
template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(const Packet2d* vecs)
|
||||
{
|
||||
Packet2d v[2], sum;
|
||||
|
||||
v[0] = (Packet2d) vec_sld((Packet4ui) vecs[0], (Packet4ui) vecs[1], 8);
|
||||
v[1] = (Packet2d) vec_sld((Packet4ui) vecs[1], (Packet4ui) vecs[0], 8);
|
||||
sum = vec_add(v[0], v[1]);
|
||||
|
||||
return sum;
|
||||
}
|
||||
// Other reduction functions:
|
||||
// mul
|
||||
template<> EIGEN_STRONG_INLINE double predux_mul<Packet2d>(const Packet2d& a)
|
||||
{
|
||||
Packet2d prod;
|
||||
prod = pmul(a, (Packet2d)vec_sld((Packet4ui) a, (Packet4ui)a, 8));
|
||||
return pfirst(pmul(prod, (Packet2d)vec_sld((Packet4ui) prod, (Packet4ui) prod, 4)));
|
||||
}
|
||||
|
||||
// min
|
||||
template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
|
||||
{
|
||||
Packet2d b, res;
|
||||
b = vec_min(a, (Packet2d) vec_sld((Packet4ui) a, (Packet4ui) a, 8));
|
||||
res = vec_min(b, (Packet2d) vec_sld((Packet4ui) b, (Packet4ui) b, 4));
|
||||
return pfirst(res);
|
||||
}
|
||||
|
||||
// max
|
||||
template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
|
||||
{
|
||||
Packet2d res;
|
||||
res = vec_max(a, (Packet2d) vec_sld((Packet4ui) a, (Packet4ui) a, 8));
|
||||
return pfirst(res);
|
||||
}
|
||||
|
||||
template<int Offset>
|
||||
struct palign_impl<Offset,Packet2d>
|
||||
{
|
||||
static EIGEN_STRONG_INLINE void run(Packet2d& first, const Packet2d& second)
|
||||
{
|
||||
if (Offset!=0)
|
||||
first = (Packet2d) vec_sld((Packet4ui) first, (Packet4ui) second, Offset*8);
|
||||
}
|
||||
};
|
||||
|
||||
EIGEN_DEVICE_FUNC inline void
|
||||
ptranspose(PacketBlock<Packet2d,2>& kernel) {
|
||||
Packet2d t0, t1;
|
||||
t0 = (Packet2d) vec_sld((Packet4ui) kernel.packet[0], (Packet4ui) kernel.packet[1], 8);
|
||||
t1 = (Packet2d) vec_sld((Packet4ui) kernel.packet[1], (Packet4ui) kernel.packet[0], 8);
|
||||
kernel.packet[0] = t0;
|
||||
kernel.packet[1] = t1;
|
||||
}
|
||||
|
||||
#endif // __VSX__
|
||||
} // end namespace internal
|
||||
|
||||
} // end namespace Eigen
|
||||
|
||||
Loading…
Reference in New Issue
Block a user