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-rw-r--r--third_party/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h943
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diff --git a/third_party/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h b/third_party/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h
deleted file mode 100644
index 640488e92b..0000000000
--- a/third_party/eigen3/Eigen/src/Core/arch/AltiVec/PacketMath.h
+++ /dev/null
@@ -1,943 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2008 Konstantinos Margaritis <markos@codex.gr>
-//
-// 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_PACKET_MATH_ALTIVEC_H
-#define EIGEN_PACKET_MATH_ALTIVEC_H
-
-namespace Eigen {
-
-namespace internal {
-
-#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD
-#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 4
-#endif
-
-#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD
-#define EIGEN_HAS_SINGLE_INSTRUCTION_MADD
-#endif
-
-#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_CJMADD
-#define EIGEN_HAS_SINGLE_INSTRUCTION_CJMADD
-#endif
-
-// NOTE Altivec has 32 registers, but Eigen only accepts a value of 8 or 16
-#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
-#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32
-#endif
-
-typedef __vector float Packet4f;
-typedef __vector int Packet4i;
-typedef __vector unsigned int Packet4ui;
-typedef __vector __bool int Packet4bi;
-typedef __vector short int Packet8i;
-typedef __vector unsigned char Packet16uc;
-
-// We don't want to write the same code all the time, but we need to reuse the constants
-// and it doesn't really work to declare them global, so we define macros instead
-
-#define _EIGEN_DECLARE_CONST_FAST_Packet4f(NAME,X) \
- Packet4f p4f_##NAME = (Packet4f) vec_splat_s32(X)
-
-#define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \
- Packet4i p4i_##NAME = vec_splat_s32(X)
-
-#define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \
- Packet4f p4f_##NAME = pset1<Packet4f>(X)
-
-#define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \
- Packet4i p4i_##NAME = pset1<Packet4i>(X)
-
-#define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \
- Packet2d p2d_##NAME = pset1<Packet2d>(X)
-
-#define _EIGEN_DECLARE_CONST_Packet2l(NAME,X) \
- Packet2l p2l_##NAME = pset1<Packet2l>(X)
-
-#define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \
- const Packet4f p4f_##NAME = reinterpret_cast<Packet4f>(pset1<Packet4i>(X))
-
-#define DST_CHAN 1
-#define DST_CTRL(size, count, stride) (((size) << 24) | ((count) << 16) | (stride))
-
-// These constants are endian-agnostic
-static _EIGEN_DECLARE_CONST_FAST_Packet4f(ZERO, 0);
-static _EIGEN_DECLARE_CONST_FAST_Packet4i(ZERO, 0);
-#ifndef __VSX__
-static _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE,1);
-static Packet4f p4f_ONE = vec_ctf(p4i_ONE, 0);
-#endif
-static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS16,-16);
-static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS1,-1);
-static Packet4f p4f_ZERO_ = (Packet4f) vec_sl((Packet4ui)p4i_MINUS1, (Packet4ui)p4i_MINUS1);
-
-static Packet4f p4f_COUNTDOWN = { 0.0, 1.0, 2.0, 3.0 };
-static Packet4i p4i_COUNTDOWN = { 0, 1, 2, 3 };
-
-static Packet16uc p16uc_REVERSE32 = { 12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3 };
-static Packet16uc p16uc_DUPLICATE32_HI = { 0,1,2,3, 0,1,2,3, 4,5,6,7, 4,5,6,7 };
-
-// Mask alignment
-#ifdef __PPC64__
-#define _EIGEN_MASK_ALIGNMENT 0xfffffffffffffff0
-#else
-#define _EIGEN_MASK_ALIGNMENT 0xfffffff0
-#endif
-
-#define _EIGEN_ALIGNED_PTR(x) ((ptrdiff_t)(x) & _EIGEN_MASK_ALIGNMENT)
-
-// Handle endianness properly while loading constants
-// Define global static constants:
-#ifdef _BIG_ENDIAN
-static Packet16uc p16uc_FORWARD = vec_lvsl(0, (float*)0);
-static Packet16uc p16uc_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
-static Packet16uc p16uc_PSET32_WODD = 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 };
-static Packet16uc p16uc_PSET32_WEVEN = vec_sld(p16uc_DUPLICATE32_HI, (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 3), 8);//{ 4,5,6,7, 4,5,6,7, 12,13,14,15, 12,13,14,15 };
-static Packet16uc p16uc_HALF64_0_16 = vec_sld((Packet16uc)p4i_ZERO, vec_splat((Packet16uc) vec_abs(p4i_MINUS16), 3), 8); //{ 0,0,0,0, 0,0,0,0, 16,16,16,16, 16,16,16,16};
-#else
-static Packet16uc p16uc_FORWARD = p16uc_REVERSE32;
-static Packet16uc p16uc_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
-static Packet16uc p16uc_PSET32_WODD = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 1), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 3), 8);//{ 0,1,2,3, 0,1,2,3, 8,9,10,11, 8,9,10,11 };
-static Packet16uc p16uc_PSET32_WEVEN = vec_sld((Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 0), (Packet16uc) vec_splat((Packet4ui)p16uc_FORWARD, 2), 8);//{ 4,5,6,7, 4,5,6,7, 12,13,14,15, 12,13,14,15 };
-static Packet16uc p16uc_HALF64_0_16 = vec_sld(vec_splat((Packet16uc) vec_abs(p4i_MINUS16), 0), (Packet16uc)p4i_ZERO, 8); //{ 0,0,0,0, 0,0,0,0, 16,16,16,16, 16,16,16,16};
-#endif // _BIG_ENDIAN
-
-static Packet16uc p16uc_PSET64_HI = (Packet16uc) vec_mergeh((Packet4ui)p16uc_PSET32_WODD, (Packet4ui)p16uc_PSET32_WEVEN); //{ 0,1,2,3, 4,5,6,7, 0,1,2,3, 4,5,6,7 };
-static Packet16uc p16uc_PSET64_LO = (Packet16uc) vec_mergel((Packet4ui)p16uc_PSET32_WODD, (Packet4ui)p16uc_PSET32_WEVEN); //{ 8,9,10,11, 12,13,14,15, 8,9,10,11, 12,13,14,15 };
-static Packet16uc p16uc_TRANSPOSE64_HI = vec_add(p16uc_PSET64_HI, p16uc_HALF64_0_16); //{ 0,1,2,3, 4,5,6,7, 16,17,18,19, 20,21,22,23};
-static Packet16uc p16uc_TRANSPOSE64_LO = vec_add(p16uc_PSET64_LO, p16uc_HALF64_0_16); //{ 8,9,10,11, 12,13,14,15, 24,25,26,27, 28,29,30,31};
-
-static Packet16uc p16uc_COMPLEX32_REV = vec_sld(p16uc_REVERSE32, p16uc_REVERSE32, 8); //{ 4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11 };
-
-#ifdef _BIG_ENDIAN
-static Packet16uc p16uc_COMPLEX32_REV2 = vec_sld(p16uc_FORWARD, p16uc_FORWARD, 8); //{ 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
-#else
-static Packet16uc p16uc_COMPLEX32_REV2 = vec_sld(p16uc_PSET64_HI, p16uc_PSET64_LO, 8); //{ 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
-#endif // _BIG_ENDIAN
-
-template<> struct packet_traits<float> : default_packet_traits
-{
- typedef Packet4f type;
- typedef Packet4f half;
- enum {
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size=4,
-
- // FIXME check the Has*
-#if defined(__VSX__)
- HasDiv = 1,
-#endif
- HasSin = 0,
- HasCos = 0,
- HasLog = 1,
- HasExp = 1,
- HasSqrt = 0
- };
-};
-template<> struct packet_traits<int> : default_packet_traits
-{
- typedef Packet4i type;
- typedef Packet4i half;
- enum {
- // FIXME check the Has*
- Vectorizable = 1,
- AlignedOnScalar = 1,
- size=4
- };
-};
-
-
-template<> struct unpacket_traits<Packet4f> { typedef float type; enum {size=4}; typedef Packet4f half; };
-template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4}; typedef Packet4i half; };
-
-inline std::ostream & operator <<(std::ostream & s, const Packet16uc & v)
-{
- union {
- Packet16uc v;
- unsigned char n[16];
- } vt;
- vt.v = v;
- for (int i=0; i< 16; i++)
- s << (int)vt.n[i] << ", ";
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const Packet4f & v)
-{
- union {
- Packet4f v;
- float n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const Packet4i & v)
-{
- union {
- Packet4i v;
- int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-
-inline std::ostream & operator <<(std::ostream & s, const Packet4ui & v)
-{
- union {
- Packet4ui v;
- unsigned int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}
-/*
-inline std::ostream & operator <<(std::ostream & s, const Packetbi & v)
-{
- union {
- Packet4bi v;
- unsigned int n[4];
- } vt;
- vt.v = v;
- s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
- return s;
-}*/
-
-
-// Need to define them first or we get specialization after instantiation errors
-template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
-template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return vec_ld(0, from); }
-
-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 Packet4f pset1<Packet4f>(const float& from) {
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- float EIGEN_ALIGN16 af[4];
- af[0] = from;
- Packet4f vc = pload<Packet4f>(af);
- vc = vec_splat(vc, 0);
- return vc;
-}
-
-template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) {
- int EIGEN_ALIGN16 ai[4];
- ai[0] = from;
- Packet4i vc = pload<Packet4i>(ai);
- vc = vec_splat(vc, 0);
- return vc;
-}
-template<> EIGEN_STRONG_INLINE void
-pbroadcast4<Packet4f>(const float *a,
- Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
-{
- a3 = pload<Packet4f>(a);
- a0 = vec_splat(a3, 0);
- a1 = vec_splat(a3, 1);
- a2 = vec_splat(a3, 2);
- a3 = vec_splat(a3, 3);
-}
-template<> EIGEN_STRONG_INLINE void
-pbroadcast4<Packet4i>(const int *a,
- Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3)
-{
- a3 = pload<Packet4i>(a);
- a0 = vec_splat(a3, 0);
- a1 = vec_splat(a3, 1);
- a2 = vec_splat(a3, 2);
- a3 = vec_splat(a3, 3);
-}
-
-template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const float* from, int stride)
-{
- float EIGEN_ALIGN16 af[4];
- af[0] = from[0*stride];
- af[1] = from[1*stride];
- af[2] = from[2*stride];
- af[3] = from[3*stride];
- return pload<Packet4f>(af);
-}
-template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int, Packet4i>(const int* from, int stride)
-{
- int EIGEN_ALIGN16 ai[4];
- ai[0] = from[0*stride];
- ai[1] = from[1*stride];
- ai[2] = from[2*stride];
- ai[3] = from[3*stride];
- return pload<Packet4i>(ai);
-}
-template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, const Packet4f& from, int stride)
-{
- float EIGEN_ALIGN16 af[4];
- pstore<float>(af, from);
- to[0*stride] = af[0];
- to[1*stride] = af[1];
- to[2*stride] = af[2];
- to[3*stride] = af[3];
-}
-template<> EIGEN_DEVICE_FUNC inline void pscatter<int, Packet4i>(int* to, const Packet4i& from, int stride)
-{
- int EIGEN_ALIGN16 ai[4];
- pstore<int>((int *)ai, from);
- to[0*stride] = ai[0];
- to[1*stride] = ai[1];
- to[2*stride] = ai[2];
- to[3*stride] = ai[3];
-}
-
-template<> EIGEN_STRONG_INLINE Packet4f plset<float>(const float& a) { return vec_add(pset1<Packet4f>(a), p4f_COUNTDOWN); }
-template<> EIGEN_STRONG_INLINE Packet4i plset<int>(const int& a) { return vec_add(pset1<Packet4i>(a), p4i_COUNTDOWN); }
-
-template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_add(a,b); }
-template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_add(a,b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_sub(a,b); }
-template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_sub(a,b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pnegate(const Packet4f& a) { return psub<Packet4f>(p4f_ZERO, a); }
-template<> EIGEN_STRONG_INLINE Packet4i pnegate(const Packet4i& a) { return psub<Packet4i>(p4i_ZERO, a); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pconj(const Packet4f& a) { return a; }
-template<> EIGEN_STRONG_INLINE Packet4i pconj(const Packet4i& a) { return a; }
-
-template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_madd(a,b,p4f_ZERO); }
-/* Commented out: it's actually slower than processing it scalar
- *
-template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b)
-{
- // Detailed in: http://freevec.org/content/32bit_signed_integer_multiplication_altivec
- //Set up constants, variables
- Packet4i a1, b1, bswap, low_prod, high_prod, prod, prod_, v1sel;
-
- // Get the absolute values
- a1 = vec_abs(a);
- b1 = vec_abs(b);
-
- // Get the signs using xor
- Packet4bi sgn = (Packet4bi) vec_cmplt(vec_xor(a, b), p4i_ZERO);
-
- // Do the multiplication for the asbolute values.
- bswap = (Packet4i) vec_rl((Packet4ui) b1, (Packet4ui) p4i_MINUS16 );
- low_prod = vec_mulo((Packet8i) a1, (Packet8i)b1);
- high_prod = vec_msum((Packet8i) a1, (Packet8i) bswap, p4i_ZERO);
- high_prod = (Packet4i) vec_sl((Packet4ui) high_prod, (Packet4ui) p4i_MINUS16);
- prod = vec_add( low_prod, high_prod );
-
- // NOR the product and select only the negative elements according to the sign mask
- prod_ = vec_nor(prod, prod);
- prod_ = vec_sel(p4i_ZERO, prod_, sgn);
-
- // Add 1 to the result to get the negative numbers
- v1sel = vec_sel(p4i_ZERO, p4i_ONE, sgn);
- prod_ = vec_add(prod_, v1sel);
-
- // Merge the results back to the final vector.
- prod = vec_sel(prod, prod_, sgn);
-
- return prod;
-}
-*/
-template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const Packet4f& b)
-{
-#if !defined(__VSX__) // VSX actually provides a div instruction
- Packet4f t, y_0, y_1;
-
- // 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, p4f_ONE);
- y_1 = vec_madd(y_0, t, y_0);
-
- return vec_madd(a, y_1, p4f_ZERO);
-#else
- return vec_div(a, b);
-#endif
-}
-
-template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& /*a*/, const Packet4i& /*b*/)
-{ eigen_assert(false && "packet integer division are not supported by AltiVec");
- return pset1<Packet4i>(0);
-}
-
-// for some weird raisons, it has to be overloaded for packet of integers
-template<> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& b, const Packet4f& c) { return vec_madd(a, b, c); }
-template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c) { return padd(pmul(a,b), c); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_min(a, b); }
-template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_min(a, b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_max(a, b); }
-template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_max(a, b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_and(a, b); }
-template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_and(a, b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_or(a, b); }
-template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_or(a, b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_xor(a, b); }
-template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_xor(a, b); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_and(a, vec_nor(b, b)); }
-template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_and(a, vec_nor(b, b)); }
-
-#ifdef _BIG_ENDIAN
-template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
-{
- EIGEN_DEBUG_ALIGNED_LOAD
- Packet16uc MSQ, LSQ;
- Packet16uc mask;
- MSQ = vec_ld(0, (unsigned char *)from); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)from); // least significant quadword
- mask = vec_lvsl(0, from); // create the permute mask
- return (Packet4f) vec_perm(MSQ, LSQ, mask); // align the data
-
-}
-template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
-{
- EIGEN_DEBUG_ALIGNED_LOAD
- // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
- Packet16uc MSQ, LSQ;
- Packet16uc mask;
- MSQ = vec_ld(0, (unsigned char *)from); // most significant quadword
- LSQ = vec_ld(15, (unsigned char *)from); // least significant quadword
- mask = vec_lvsl(0, from); // create the permute mask
- return (Packet4i) vec_perm(MSQ, LSQ, mask); // align the data
-}
-#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
- return (Packet4i) vec_vsx_ld((long)from & 15, (const Packet4i*) _EIGEN_ALIGNED_PTR(from));
-}
-template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
-{
- EIGEN_DEBUG_ALIGNED_LOAD
- return (Packet4f) vec_vsx_ld((long)from & 15, (const Packet4f*) _EIGEN_ALIGNED_PTR(from));
-}
-#endif
-
-template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(const float* from)
-{
- Packet4f p;
- if((ptrdiff_t(from) % 16) == 0) p = pload<Packet4f>(from);
- else p = ploadu<Packet4f>(from);
- return vec_perm(p, p, p16uc_DUPLICATE32_HI);
-}
-template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from)
-{
- Packet4i p;
- if((ptrdiff_t(from) % 16) == 0) p = pload<Packet4i>(from);
- else p = ploadu<Packet4i>(from);
- return vec_perm(p, p, p16uc_DUPLICATE32_HI);
-}
-
-#ifdef _BIG_ENDIAN
-template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& 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 pstoreu<int>(int* to, const Packet4i& 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
-}
-#else
-// We also need to redefine little endian loading of Packet4i/Packet4f using VSX
-template<> EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet4i& from)
-{
- EIGEN_DEBUG_ALIGNED_STORE
- vec_vsx_st(from, (long)to & 15, (Packet4i*) _EIGEN_ALIGNED_PTR(to));
-}
-template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& from)
-{
- EIGEN_DEBUG_ALIGNED_STORE
- vec_vsx_st(from, (long)to & 15, (Packet4f*) _EIGEN_ALIGNED_PTR(to));
-}
-#endif
-
-#ifndef __VSX__
-template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { vec_dstt(addr, DST_CTRL(2,2,32), DST_CHAN); }
-template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { vec_dstt(addr, DST_CTRL(2,2,32), DST_CHAN); }
-#endif
-
-template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { float EIGEN_ALIGN16 x[4]; vec_st(a, 0, x); return x[0]; }
-template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { int EIGEN_ALIGN16 x[4]; vec_st(a, 0, x); return x[0]; }
-
-template<> EIGEN_STRONG_INLINE Packet4f preverse(const Packet4f& a) { return (Packet4f)vec_perm((Packet16uc)a,(Packet16uc)a, p16uc_REVERSE32); }
-template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a) { return (Packet4i)vec_perm((Packet16uc)a,(Packet16uc)a, p16uc_REVERSE32); }
-
-template<> EIGEN_STRONG_INLINE Packet4f pabs(const Packet4f& a) { return vec_abs(a); }
-template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a) { return vec_abs(a); }
-
-template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
-{
- Packet4f b, sum;
- b = (Packet4f) vec_sld(a, a, 8);
- sum = vec_add(a, b);
- b = (Packet4f) vec_sld(sum, sum, 4);
- sum = vec_add(sum, b);
- return pfirst(sum);
-}
-
-template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(const Packet4f* vecs)
-{
- Packet4f v[4], sum[4];
-
- // It's easier and faster to transpose then add as columns
- // Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation
- // Do the transpose, first set of moves
- v[0] = vec_mergeh(vecs[0], vecs[2]);
- v[1] = vec_mergel(vecs[0], vecs[2]);
- v[2] = vec_mergeh(vecs[1], vecs[3]);
- v[3] = vec_mergel(vecs[1], vecs[3]);
- // Get the resulting vectors
- sum[0] = vec_mergeh(v[0], v[2]);
- sum[1] = vec_mergel(v[0], v[2]);
- sum[2] = vec_mergeh(v[1], v[3]);
- sum[3] = vec_mergel(v[1], v[3]);
-
- // Now do the summation:
- // Lines 0+1
- sum[0] = vec_add(sum[0], sum[1]);
- // Lines 2+3
- sum[1] = vec_add(sum[2], sum[3]);
- // Add the results
- sum[0] = vec_add(sum[0], sum[1]);
-
- return sum[0];
-}
-
-template<> EIGEN_STRONG_INLINE int predux<Packet4i>(const Packet4i& a)
-{
- Packet4i sum;
- sum = vec_sums(a, p4i_ZERO);
-#ifdef _BIG_ENDIAN
- sum = vec_sld(sum, p4i_ZERO, 12);
-#else
- sum = vec_sld(p4i_ZERO, sum, 4);
-#endif
- return pfirst(sum);
-}
-
-template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs)
-{
- Packet4i v[4], sum[4];
-
- // It's easier and faster to transpose then add as columns
- // Check: http://www.freevec.org/function/matrix_4x4_transpose_floats for explanation
- // Do the transpose, first set of moves
- v[0] = vec_mergeh(vecs[0], vecs[2]);
- v[1] = vec_mergel(vecs[0], vecs[2]);
- v[2] = vec_mergeh(vecs[1], vecs[3]);
- v[3] = vec_mergel(vecs[1], vecs[3]);
- // Get the resulting vectors
- sum[0] = vec_mergeh(v[0], v[2]);
- sum[1] = vec_mergel(v[0], v[2]);
- sum[2] = vec_mergeh(v[1], v[3]);
- sum[3] = vec_mergel(v[1], v[3]);
-
- // Now do the summation:
- // Lines 0+1
- sum[0] = vec_add(sum[0], sum[1]);
- // Lines 2+3
- sum[1] = vec_add(sum[2], sum[3]);
- // Add the results
- sum[0] = vec_add(sum[0], sum[1]);
-
- return sum[0];
-}
-
-// Other reduction functions:
-// mul
-template<> EIGEN_STRONG_INLINE float predux_mul<Packet4f>(const Packet4f& a)
-{
- Packet4f prod;
- prod = pmul(a, (Packet4f)vec_sld(a, a, 8));
- return pfirst(pmul(prod, (Packet4f)vec_sld(prod, prod, 4)));
-}
-
-template<> EIGEN_STRONG_INLINE int predux_mul<Packet4i>(const Packet4i& a)
-{
- EIGEN_ALIGN16 int aux[4];
- pstore(aux, a);
- return aux[0] * aux[1] * aux[2] * aux[3];
-}
-
-// min
-template<> EIGEN_STRONG_INLINE float predux_min<Packet4f>(const Packet4f& a)
-{
- Packet4f b, res;
- b = vec_min(a, vec_sld(a, a, 8));
- res = vec_min(b, vec_sld(b, b, 4));
- return pfirst(res);
-}
-
-template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a)
-{
- Packet4i b, res;
- b = vec_min(a, vec_sld(a, a, 8));
- res = vec_min(b, vec_sld(b, b, 4));
- return pfirst(res);
-}
-
-// max
-template<> EIGEN_STRONG_INLINE float predux_max<Packet4f>(const Packet4f& a)
-{
- Packet4f b, res;
- b = vec_max(a, vec_sld(a, a, 8));
- res = vec_max(b, vec_sld(b, b, 4));
- return pfirst(res);
-}
-
-template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a)
-{
- Packet4i b, res;
- b = vec_max(a, vec_sld(a, a, 8));
- res = vec_max(b, vec_sld(b, b, 4));
- return pfirst(res);
-}
-
-template<int Offset>
-struct palign_impl<Offset,Packet4f>
-{
- static EIGEN_STRONG_INLINE void run(Packet4f& first, const Packet4f& second)
- {
-#ifdef _BIG_ENDIAN
- switch (Offset % 4) {
- case 1:
- first = vec_sld(first, second, 4); break;
- case 2:
- first = vec_sld(first, second, 8); break;
- case 3:
- first = vec_sld(first, second, 12); break;
- }
-#else
- switch (Offset % 4) {
- case 1:
- first = vec_sld(second, first, 12); break;
- case 2:
- first = vec_sld(second, first, 8); break;
- case 3:
- first = vec_sld(second, first, 4); break;
- }
-#endif
- }
-};
-
-template<int Offset>
-struct palign_impl<Offset,Packet4i>
-{
- static EIGEN_STRONG_INLINE void run(Packet4i& first, const Packet4i& second)
- {
-#ifdef _BIG_ENDIAN
- switch (Offset % 4) {
- case 1:
- first = vec_sld(first, second, 4); break;
- case 2:
- first = vec_sld(first, second, 8); break;
- case 3:
- first = vec_sld(first, second, 12); break;
- }
-#else
- switch (Offset % 4) {
- case 1:
- first = vec_sld(second, first, 12); break;
- case 2:
- first = vec_sld(second, first, 8); break;
- case 3:
- first = vec_sld(second, first, 4); break;
- }
-#endif
- }
-};
-
-template<> EIGEN_DEVICE_FUNC inline void
-ptranspose(PacketBlock<Packet4f,4>& kernel) {
- Packet4f t0, t1, t2, t3;
- t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
- t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
- t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
- t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
- kernel.packet[0] = vec_mergeh(t0, t2);
- kernel.packet[1] = vec_mergel(t0, t2);
- kernel.packet[2] = vec_mergeh(t1, t3);
- kernel.packet[3] = vec_mergel(t1, t3);
-}
-
-template<> EIGEN_DEVICE_FUNC inline void
-ptranspose(PacketBlock<Packet4i,4>& kernel) {
- Packet4i t0, t1, t2, t3;
- t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
- t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
- t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
- t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
- kernel.packet[0] = vec_mergeh(t0, t2);
- kernel.packet[1] = vec_mergel(t0, t2);
- kernel.packet[2] = vec_mergeh(t1, t3);
- kernel.packet[3] = vec_mergel(t1, t3);
-}
-
-
-//---------- double ----------
-#if defined(__VSX__)
-typedef __vector double Packet2d;
-typedef __vector unsigned long long Packet2ul;
-typedef __vector long long Packet2l;
-
-static Packet2l p2l_ZERO = (Packet2l) p4i_ZERO;
-static Packet2d p2d_ONE = { 1.0, 1.0 };
-static Packet2d p2d_ZERO = (Packet2d) p4f_ZERO;
-static Packet2d p2d_ZERO_ = { -0.0, -0.0 };
-
-#ifdef _BIG_ENDIAN
-static Packet2d p2d_COUNTDOWN = (Packet2d) vec_sld((Packet16uc) p2d_ZERO, (Packet16uc) p2d_ONE, 8);
-#else
-static Packet2d p2d_COUNTDOWN = (Packet2d) vec_sld((Packet16uc) p2d_ONE, (Packet16uc) p2d_ZERO, 8);
-#endif
-
-static EIGEN_STRONG_INLINE Packet2d vec_splat_dbl(Packet2d& a, int index)
-{
- switch (index) {
- case 0:
- return (Packet2d) vec_perm(a, a, p16uc_PSET64_HI);
- case 1:
- return (Packet2d) vec_perm(a, a, p16uc_PSET64_LO);
- }
- 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 = 1,
- 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 {
- Packet2d 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(a3, 1);
-}
-// Google-local: Change type from DenseIndex to int in patch.
-template<> EIGEN_DEVICE_FUNC inline Packet2d pgather<double, Packet2d>(const double* from, int/*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*/int 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) { return vec_div(a,b); }
-
-// 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((long)from & 15, (const Packet2d*) _EIGEN_ALIGNED_PTR(from));
-}
-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_PSET64_HI);
-}
-
-template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet2d& from)
-{
- EIGEN_DEBUG_ALIGNED_STORE
- vec_vsx_st((Packet4f)from, (long)to & 15, (Packet4f*) _EIGEN_ALIGNED_PTR(to));
-}
-
-#ifndef __VSX__
-template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { vec_dstt((const float *) addr, DST_CTRL(2,2,32), DST_CHAN); }
-#endif
-
-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_REVERSE64); }
-
-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] = vec_add(vecs[0], (Packet2d) vec_sld((Packet4ui) vecs[0], (Packet4ui) vecs[0], 8));
- v[1] = vec_add(vecs[1], (Packet2d) vec_sld((Packet4ui) vecs[1], (Packet4ui) vecs[1], 8));
-
-#ifdef _BIG_ENDIAN
- sum = (Packet2d) vec_sld((Packet4ui) v[0], (Packet4ui) v[1], 8);
-#else
- sum = (Packet2d) vec_sld((Packet4ui) v[1], (Packet4ui) v[0], 8);
-#endif
-
- return sum;
-}
-// Other reduction functions:
-// mul
-template<> EIGEN_STRONG_INLINE double predux_mul<Packet2d>(const Packet2d& a)
-{
- return pfirst(pmul(a, (Packet2d)vec_sld((Packet4ui) a, (Packet4ui) a, 8)));
-}
-
-// min
-template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
-{
- return pfirst(vec_min(a, (Packet2d) vec_sld((Packet4ui) a, (Packet4ui) a, 8)));
-}
-
-// max
-template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
-{
- return pfirst(vec_max(a, (Packet2d) vec_sld((Packet4ui) a, (Packet4ui) a, 8)));
-}
-
-template<int Offset>
-struct palign_impl<Offset,Packet2d>
-{
- static EIGEN_STRONG_INLINE void run(Packet2d& first, const Packet2d& second)
- {
- if (Offset == 1)
-#ifdef _BIG_ENDIAN
- first = (Packet2d) vec_sld((Packet4ui) first, (Packet4ui) second, 8);
-#else
- first = (Packet2d) vec_sld((Packet4ui) second, (Packet4ui) first, 8);
-#endif
- }
-};
-
-EIGEN_DEVICE_FUNC inline void
-ptranspose(PacketBlock<Packet2d,2>& kernel) {
- Packet2d t0, t1;
- t0 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_HI);
- t1 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_LO);
- kernel.packet[0] = t0;
- kernel.packet[1] = t1;
-}
-
-#endif // defined(__VSX__)
-} // end namespace internal
-
-} // end namespace Eigen
-
-#endif // EIGEN_PACKET_MATH_ALTIVEC_H
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 02:01:26 +0000