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complete int/double specialized traits for ZVector

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This commit is contained in:
Konstantinos Margaritis 2016-04-05 06:00:51 -04:00
parent 644d0f91d2
commit 2d41dc9622
1 changed files with 101 additions and 427 deletions
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528
Eigen/src/Core/arch/ZVector/PacketMath.h
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@ -10,6 +10,8 @@
#ifndef EIGEN_PACKET_MATH_ZVECTOR_H #ifndef EIGEN_PACKET_MATH_ZVECTOR_H
#define EIGEN_PACKET_MATH_ZVECTOR_H #define EIGEN_PACKET_MATH_ZVECTOR_H
#include <stdint.h>
namespace Eigen { namespace Eigen {
namespace internal { namespace internal {
@ -31,7 +33,6 @@ namespace internal {
#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32 #define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32
#endif #endif
typedef __vector float Packet4f;
typedef __vector int Packet4i; typedef __vector int Packet4i;
typedef __vector unsigned int Packet4ui; typedef __vector unsigned int Packet4ui;
typedef __vector __bool int Packet4bi; typedef __vector __bool int Packet4bi;
@ -42,20 +43,21 @@ typedef __vector unsigned long long Packet2ul;
typedef __vector long long Packet2l; typedef __vector long long Packet2l;
typedef union { typedef union {
float f[4]; int32_t i[4];
double d[2]; uint32_t ui[4];
int i[4]; int64_t l[2];
Packet4f v4f; uint64_t ul[2];
Packet4i v4i; double d[2];
Packet2d v2d; Packet4i v4i;
Packet4ui v4ui;
Packet2l v2l;
Packet2ul v2ul;
Packet2d v2d;
} Packet; } Packet;
// We don't want to write the same code all the time, but we need to reuse the constants // 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 // 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 = reinterpret_cast<Packet4f>(vec_splat_s32(X))
#define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \ #define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \
Packet4i p4i_##NAME = reinterpret_cast<Packet4i>(vec_splat_s32(X)) Packet4i p4i_##NAME = reinterpret_cast<Packet4i>(vec_splat_s32(X))
@ -65,9 +67,6 @@ typedef union {
#define _EIGEN_DECLARE_CONST_FAST_Packet2l(NAME,X) \ #define _EIGEN_DECLARE_CONST_FAST_Packet2l(NAME,X) \
Packet2l p2l_##NAME = reinterpret_cast<Packet2l>(vec_splat_s64(X)) Packet2l p2l_##NAME = reinterpret_cast<Packet2l>(vec_splat_s64(X))
#define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \
Packet4f p4f_##NAME = pset1<Packet4f>(X)
#define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \ #define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \
Packet4i p4i_##NAME = pset1<Packet4i>(X) Packet4i p4i_##NAME = pset1<Packet4i>(X)
@ -77,18 +76,14 @@ typedef union {
#define _EIGEN_DECLARE_CONST_Packet2l(NAME,X) \ #define _EIGEN_DECLARE_CONST_Packet2l(NAME,X) \
Packet2l p2l_##NAME = pset1<Packet2l>(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))
// These constants are endian-agnostic // These constants are endian-agnostic
static _EIGEN_DECLARE_CONST_FAST_Packet4f(ZERO, 0); //{ 0.0, 0.0, 0.0, 0.0} //static _EIGEN_DECLARE_CONST_FAST_Packet4i(ZERO, 0); //{ 0, 0, 0, 0,}
static _EIGEN_DECLARE_CONST_FAST_Packet4i(ZERO, 0); //{ 0, 0, 0, 0,}
static _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE, 1); //{ 1, 1, 1, 1} static _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE, 1); //{ 1, 1, 1, 1}
static _EIGEN_DECLARE_CONST_FAST_Packet2d(ZERO, 0); static _EIGEN_DECLARE_CONST_FAST_Packet2d(ZERO, 0);
static _EIGEN_DECLARE_CONST_FAST_Packet2l(ZERO, 0); static _EIGEN_DECLARE_CONST_FAST_Packet2l(ZERO, 0);
static _EIGEN_DECLARE_CONST_FAST_Packet2l(ONE, 1);
static Packet4f p4f_ONE = { 1.0, 1.0, 1.0, 1.0 };
static Packet2d p2d_ONE = { 1.0, 1.0 }; static Packet2d p2d_ONE = { 1.0, 1.0 };
static Packet2d p2d_ZERO_ = { -0.0, -0.0 }; static Packet2d p2d_ZERO_ = { -0.0, -0.0 };
@ -98,7 +93,6 @@ static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS16,-16); //{ -16, -16, -16, -16}
static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS1,-1); //{ -1, -1, -1, -1} static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS1,-1); //{ -1, -1, -1, -1}
static Packet4f p4f_ZERO_ = (Packet4f) vec_sl((Packet4ui)p4i_MINUS1, (Packet4ui)p4i_MINUS1); //{ 0x80000000, 0x80000000, 0x80000000, 0x80000000} static Packet4f p4f_ZERO_ = (Packet4f) vec_sl((Packet4ui)p4i_MINUS1, (Packet4ui)p4i_MINUS1); //{ 0x80000000, 0x80000000, 0x80000000, 0x80000000}
*/ */
static Packet4f p4f_COUNTDOWN = { 0.0, 1.0, 2.0, 3.0 };
static Packet4i p4i_COUNTDOWN = { 0, 1, 2, 3 }; static Packet4i p4i_COUNTDOWN = { 0, 1, 2, 3 };
static Packet2d p2d_COUNTDOWN = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet16uc>(p2d_ZERO), reinterpret_cast<Packet16uc>(p2d_ONE), 8)); static Packet2d p2d_COUNTDOWN = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet16uc>(p2d_ZERO), reinterpret_cast<Packet16uc>(p2d_ONE), 8));
@ -112,23 +106,23 @@ static Packet16uc p16uc_DUPLICATE32_HI = { 0,1,2,3, 0,1,2,3, 4,5,6,7, 4,5,6,7 };
// Handle endianness properly while loading constants // Handle endianness properly while loading constants
// Define global static constants: // Define global static constants:
/*
static Packet16uc p16uc_FORWARD = vec_lvsl(0, (float*)0);*/ static Packet16uc p16uc_FORWARD = { 0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15 };
static Packet16uc p16uc_REVERSE32 = { 12,13,14,15, 8,9,10,11, 4,5,6,7, 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_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 }; 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_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_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}; /*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};
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_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_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_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_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_TRANSPOSE64_HI = { 0,1,2,3, 4,5,6,7, 16,17,18,19, 20,21,22,23}; static Packet16uc p16uc_TRANSPOSE64_HI = { 0,1,2,3, 4,5,6,7, 16,17,18,19, 20,21,22,23};
static Packet16uc p16uc_TRANSPOSE64_LO = { 8,9,10,11, 12,13,14,15, 24,25,26,27, 28,29,30,31}; static Packet16uc p16uc_TRANSPOSE64_LO = { 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 }; //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 };
//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 }; //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 };
@ -139,29 +133,6 @@ static Packet16uc p16uc_COMPLEX32_REV = vec_sld(p16uc_REVERSE32, p16uc_REVERSE32
#define EIGEN_ZVECTOR_PREFETCH(ADDR) asm( " pfd [%[addr]]\n" :: [addr] "r" (ADDR) : "cc" ); #define EIGEN_ZVECTOR_PREFETCH(ADDR) asm( " pfd [%[addr]]\n" :: [addr] "r" (ADDR) : "cc" );
#endif #endif
template<> struct packet_traits<float> : default_packet_traits
{
typedef Packet4f type;
typedef Packet4f half;
enum {
Vectorizable = 1,
AlignedOnScalar = 1,
size = 4,
HasHalfPacket = 0,
// FIXME check the Has*
HasAdd = 1,
HasSub = 1,
HasMul = 1,
HasDiv = 1,
HasSin = 0,
HasCos = 0,
HasLog = 1,
HasExp = 1,
HasSqrt = 0
};
};
template<> struct packet_traits<int> : default_packet_traits template<> struct packet_traits<int> : default_packet_traits
{ {
typedef Packet4i type; typedef Packet4i type;
@ -178,11 +149,7 @@ template<> struct packet_traits<int> : default_packet_traits
HasSub = 1, HasSub = 1,
HasMul = 1, HasMul = 1,
HasDiv = 1, HasDiv = 1,
HasSin = 0, HasBlend = 1
HasCos = 0,
HasLog = 1,
HasExp = 1,
HasSqrt = 0
}; };
}; };
@ -203,88 +170,60 @@ template<> struct packet_traits<double> : default_packet_traits
HasDiv = 1, HasDiv = 1,
HasSin = 0, HasSin = 0,
HasCos = 0, HasCos = 0,
HasLog = 1, HasLog = 0,
HasExp = 1, HasExp = 1,
HasSqrt = 1 HasSqrt = 1,
HasRsqrt = 1,
HasBlend = 1,
HasRound = 1,
HasFloor = 1,
HasCeil = 1
}; };
}; };
template<> struct unpacket_traits<Packet4f> { typedef float type; enum {size=4, alignment=Aligned16}; typedef Packet4f half; };
template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4, alignment=Aligned16}; typedef Packet4i half; }; template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4, alignment=Aligned16}; typedef Packet4i half; };
template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2, alignment=Aligned16}; typedef Packet2d half; }; template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2, alignment=Aligned16}; typedef Packet2d 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) inline std::ostream & operator <<(std::ostream & s, const Packet4i & v)
{ {
union { Packet vt;
Packet4i v; vt.v4i = v;
int n[4]; s << vt.i[0] << ", " << vt.i[1] << ", " << vt.i[2] << ", " << vt.i[3];
} vt;
vt.v = v;
s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
return s; return s;
} }
inline std::ostream & operator <<(std::ostream & s, const Packet4ui & v) inline std::ostream & operator <<(std::ostream & s, const Packet4ui & v)
{ {
union { Packet vt;
Packet4ui v; vt.v4ui = v;
unsigned int n[4]; s << vt.ui[0] << ", " << vt.ui[1] << ", " << vt.ui[2] << ", " << vt.ui[3];
} vt; return s;
vt.v = v; }
s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
inline std::ostream & operator <<(std::ostream & s, const Packet2l & v)
{
Packet vt;
vt.v2l = v;
s << vt.l[0] << ", " << vt.l[1];
return s;
}
inline std::ostream & operator <<(std::ostream & s, const Packet2ul & v)
{
Packet vt;
vt.v2ul = v;
s << vt.ul[0] << ", " << vt.ul[1] ;
return s; return s;
} }
inline std::ostream & operator <<(std::ostream & s, const Packet2d & v) inline std::ostream & operator <<(std::ostream & s, const Packet2d & v)
{ {
union { Packet vt;
Packet2d v; vt.v2d = v;
double n[2]; s << vt.d[0] << ", " << vt.d[1];
} vt;
vt.v = v;
s << vt.n[0] << ", " << vt.n[1];
return s; return s;
} }
template<int Offset>
struct palign_impl<Offset,Packet4f>
{
static EIGEN_STRONG_INLINE void run(Packet4f& first, const Packet4f& second)
{
switch (Offset % 4) {
case 1:
first = reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(first), reinterpret_cast<Packet4i>(second), 4)); break;
case 2:
first = reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(first), reinterpret_cast<Packet4i>(second), 8)); break;
case 3:
first = reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(first), reinterpret_cast<Packet4i>(second), 12)); break;
}
}
};
template<int Offset> template<int Offset>
struct palign_impl<Offset,Packet4i> struct palign_impl<Offset,Packet4i>
{ {
@ -311,16 +250,6 @@ struct palign_impl<Offset,Packet2d>
} }
}; };
// Need to define them first or we get specialization after instantiation errors
template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from)
{
// FIXME: No intrinsic yet
EIGEN_DEBUG_ALIGNED_LOAD
Packet *vfrom;
vfrom = (Packet *) from;
return vfrom->v4f;
}
template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from)
{ {
// FIXME: No intrinsic yet // FIXME: No intrinsic yet
@ -338,15 +267,6 @@ template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(const double* from)
return vfrom->v2d; return vfrom->v2d;
} }
template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from)
{
// FIXME: No intrinsic yet
EIGEN_DEBUG_ALIGNED_STORE
Packet *vto;
vto = (Packet *) to;
vto->v4f = from;
}
template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from) template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from)
{ {
// FIXME: No intrinsic yet // FIXME: No intrinsic yet
@ -365,15 +285,6 @@ template<> EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet2d&
vto->v2d = from; vto->v2d = from;
} }
template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from)
{
// FIXME: Check if proper intrinsic exists
Packet res;
res.f[0] = from;
res.v4f = reinterpret_cast<Packet4f>(vec_splats(res.i[0]));
return res.v4f;
}
template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from)
{ {
return vec_splats(from); return vec_splats(from);
@ -385,17 +296,6 @@ template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) {
return res; return res;
} }
template<> EIGEN_STRONG_INLINE void
pbroadcast4<Packet4f>(const float *a,
Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
{
a3 = pload<Packet4f>(a);
a0 = reinterpret_cast<Packet4f>(vec_splat(reinterpret_cast<Packet4i>(a3), 0));
a1 = reinterpret_cast<Packet4f>(vec_splat(reinterpret_cast<Packet4i>(a3), 1));
a2 = reinterpret_cast<Packet4f>(vec_splat(reinterpret_cast<Packet4i>(a3), 2));
a3 = reinterpret_cast<Packet4f>(vec_splat(reinterpret_cast<Packet4i>(a3), 3));
}
template<> EIGEN_STRONG_INLINE void template<> EIGEN_STRONG_INLINE void
pbroadcast4<Packet4i>(const int *a, pbroadcast4<Packet4i>(const int *a,
Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3) Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3)
@ -419,16 +319,6 @@ pbroadcast4<Packet2d>(const double *a,
a3 = vec_splat(a3, 1); a3 = vec_splat(a3, 1);
} }
template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const float* from, Index 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, Index stride) template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int, Packet4i>(const int* from, Index stride)
{ {
int EIGEN_ALIGN16 ai[4]; int EIGEN_ALIGN16 ai[4];
@ -447,16 +337,6 @@ template<> EIGEN_DEVICE_FUNC inline Packet2d pgather<double, Packet2d>(const dou
return pload<Packet2d>(af); return pload<Packet2d>(af);
} }
template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, const Packet4f& from, Index 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, Index stride) template<> EIGEN_DEVICE_FUNC inline void pscatter<int, Packet4i>(int* to, const Packet4i& from, Index stride)
{ {
int EIGEN_ALIGN16 ai[4]; int EIGEN_ALIGN16 ai[4];
@ -475,159 +355,52 @@ template<> EIGEN_DEVICE_FUNC inline void pscatter<double, Packet2d>(double* to,
to[1*stride] = af[1]; to[1*stride] = af[1];
} }
/* template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(const Packet4i& a, const Packet4i& b) { return (a + b); }
template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_sub(a,b); } template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(const Packet2d& a, const Packet2d& b) { return (a + b); }
template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_sub(a,b); }
template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_sub(a,b); } template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(const Packet4i& a, const Packet4i& b) { return (a - b); }
template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(const Packet2d& a, const Packet2d& b) { return (a - b); }
template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b) { return (a * b); }
template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(const Packet2d& a, const Packet2d& b) { return (a * b); }
template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& a, const Packet4i& b) { return (a / b); }
template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(const Packet2d& a, const Packet2d& b) { return (a / b); }
template<> EIGEN_STRONG_INLINE Packet4i pnegate(const Packet4i& a) { return (-a); }
template<> EIGEN_STRONG_INLINE Packet2d pnegate(const Packet2d& a) { return (-a); }
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 Packet2d pnegate(const Packet2d& a) { return psub<Packet2d>(p2d_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 Packet4i pconj(const Packet4i& a) { return a; }
template<> EIGEN_STRONG_INLINE Packet2d pconj(const Packet2d& a) { return a; } template<> EIGEN_STRONG_INLINE Packet2d pconj(const Packet2d& a) { return a; }
template<> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& b, const Packet4f& c) template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c) { return padd<Packet4i>(pmul<Packet4i>(a, b), c); }
{ template<> EIGEN_STRONG_INLINE Packet2d pmadd(const Packet2d& a, const Packet2d& b, const Packet2d& c) { return vec_madd(a, b, c); }
return a;
}
template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c)
{
return reinterpret_cast<Packet4i>(__builtin_s390_vmalf(reinterpret_cast<Packet4ui>(a), reinterpret_cast<Packet4ui>(b), reinterpret_cast<Packet4ui>(c)));
}
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 Packet4f pmul<Packet4f>(const Packet4f& a, const Packet4f& b)
{
return pmadd<Packet4f>(a,b,p4f_ZERO);
}
template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b)
{
return pmadd<Packet4i>(a,b,p4i_ZERO);
}
template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(const Packet2d& a, const Packet2d& b)
{
return pmadd<Packet2d>(a,b,p2d_ZERO);
}
/*template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const Packet4f& b)
{
#ifndef __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);
}
template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_div(a,b); }
*/
template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(const Packet4f& a, const Packet4f& b) { return pmadd<Packet4f>(a, p4f_ONE, b); }
template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(const Packet4i& a, const Packet4i& b) { return pmadd<Packet4i>(a, p4i_ONE, b); }
template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(const Packet2d& a, const Packet2d& b) { return pmadd<Packet2d>(a, p2d_ONE, b); }
template<> EIGEN_STRONG_INLINE Packet4f plset<Packet4f>(const float& a) { return padd<Packet4f>(pset1<Packet4f>(a), p4f_COUNTDOWN); }
template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(const int& a) { return padd<Packet4i>(pset1<Packet4i>(a), p4i_COUNTDOWN); } template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(const int& a) { return padd<Packet4i>(pset1<Packet4i>(a), p4i_COUNTDOWN); }
template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(const double& a) { return padd<Packet2d>(pset1<Packet2d>(a), p2d_COUNTDOWN); } template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(const double& a) { return padd<Packet2d>(pset1<Packet2d>(a), p2d_COUNTDOWN); }
template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(const Packet4f& a, const Packet4f& b) { return a; /*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 Packet4i pmin<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_min(a, b); }
template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_min(a, b); } template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_min(a, b); }
template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(const Packet4f& a, const Packet4f& b) { return a; /*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 Packet4i pmax<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_max(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 pmax<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_max(a, b); }
template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(const Packet4f& a, const Packet4f& b) template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_and(a, b); }
{ template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_and(a, b); }
return reinterpret_cast<Packet4f>(vec_and(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(b)));
}
template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_or(a, b); }
{ template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_or(a, b); }
return vec_and(a, b);
}
template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(const Packet2d& a, const Packet2d& b) template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& 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)); }
return vec_and(a, b);
}
template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(const Packet4f& a, const Packet4f& b) template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_xor(a, b); }
{ template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return pand<Packet4i>(a, vec_nor(b, b)); }
return reinterpret_cast<Packet4f>(vec_or(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(b)));
}
template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) template<> EIGEN_STRONG_INLINE Packet2d pround<Packet2d>(const Packet2d& a) { return vec_round(a); }
{ template<> EIGEN_STRONG_INLINE Packet2d pceil<Packet2d>(const Packet2d& a) { return vec_ceil(a); }
return vec_or(a, b); template<> EIGEN_STRONG_INLINE Packet2d pfloor<Packet2d>(const Packet2d& a) { return vec_floor(a); }
}
template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(const Packet2d& a, const Packet2d& b)
{
return vec_or(a, b);
}
template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(const Packet4f& a, const Packet4f& b)
{
return reinterpret_cast<Packet4f>(vec_xor(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(b)));
}
template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& 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 pxor<Packet2d>(const Packet2d& a, const Packet2d& b)
{
return vec_xor(a, b);
}
template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b)
{
return pand<Packet4f>(a, reinterpret_cast<Packet4f>(vec_nor(reinterpret_cast<Packet4i>(b), reinterpret_cast<Packet4i>(b))));
}
template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b)
{
return pand<Packet4i>(a, vec_nor(b, b));
}
template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
{
EIGEN_DEBUG_UNALIGNED_LOAD
Packet *vfrom;
vfrom = (Packet *) from;
return vfrom->v4f;
}
template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from) template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
{ {
@ -645,14 +418,6 @@ template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from)
return vfrom->v2d; return vfrom->v2d;
} }
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 (Packet4f) vec_perm((Packet16uc)(p), (Packet16uc)(p), p16uc_DUPLICATE32_HI);
}
template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from) template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from)
{ {
Packet4i p; Packet4i p;
@ -669,14 +434,6 @@ template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(const double* from)
return vec_perm(p, p, p16uc_PSET64_HI); return vec_perm(p, p, p16uc_PSET64_HI);
} }
template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& from)
{
EIGEN_DEBUG_UNALIGNED_STORE
Packet *vto;
vto = (Packet *) to;
vto->v4f = from;
}
template<> EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet4i& from) template<> EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet4i& from)
{ {
EIGEN_DEBUG_UNALIGNED_STORE EIGEN_DEBUG_UNALIGNED_STORE
@ -693,30 +450,12 @@ template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet2d&
vto->v2d = from; vto->v2d = from;
} }
template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { EIGEN_ZVECTOR_PREFETCH(addr); }
{ template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { EIGEN_ZVECTOR_PREFETCH(addr); }
EIGEN_ZVECTOR_PREFETCH(addr);
}
template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr)
{
EIGEN_ZVECTOR_PREFETCH(addr);
}
template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr)
{
EIGEN_ZVECTOR_PREFETCH(addr);
}
template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { float EIGEN_ALIGN16 x[4]; pstore(x, a); return x[0]; }
template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { int EIGEN_ALIGN16 x[4]; pstore(x, a); return x[0]; } template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { int EIGEN_ALIGN16 x[4]; pstore(x, a); return x[0]; }
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 double pfirst<Packet2d>(const Packet2d& a) { double EIGEN_ALIGN16 x[2]; pstore(x, a); return x[0]; }
template<> EIGEN_STRONG_INLINE Packet4f preverse(const Packet4f& a)
{
return reinterpret_cast<Packet4f>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32));
}
template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a) template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a)
{ {
return reinterpret_cast<Packet4i>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32)); return reinterpret_cast<Packet4i>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32));
@ -727,20 +466,9 @@ template<> EIGEN_STRONG_INLINE Packet2d preverse(const Packet2d& a)
return reinterpret_cast<Packet2d>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE64)); return reinterpret_cast<Packet2d>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE64));
} }
template<> EIGEN_STRONG_INLINE Packet4f pabs(const Packet4f& a) { return a; /*vec_abs(a);*/ }
template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a) { return vec_abs(a); } template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a) { return vec_abs(a); }
template<> EIGEN_STRONG_INLINE Packet2d pabs(const Packet2d& a) { return vec_abs(a); } template<> EIGEN_STRONG_INLINE Packet2d pabs(const Packet2d& a) { return vec_abs(a); }
template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
{
Packet4f b, sum;
b = reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8));
sum = padd<Packet4f>(a, b);
b = reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(sum), reinterpret_cast<Packet4i>(sum), 4));
sum = padd<Packet4f>(sum, b);
return pfirst(sum);
}
template<> EIGEN_STRONG_INLINE int predux<Packet4i>(const Packet4i& a) template<> EIGEN_STRONG_INLINE int predux<Packet4i>(const Packet4i& a)
{ {
Packet4i b, sum; Packet4i b, sum;
@ -760,34 +488,6 @@ template<> EIGEN_STRONG_INLINE double predux<Packet2d>(const Packet2d& a)
} }
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] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(vecs[0]), reinterpret_cast<Packet4i>(vecs[2])));
v[1] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(vecs[0]), reinterpret_cast<Packet4i>(vecs[2])));
v[2] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(vecs[1]), reinterpret_cast<Packet4i>(vecs[3])));
v[3] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(vecs[1]), reinterpret_cast<Packet4i>(vecs[3])));
// Get the resulting vectors
sum[0] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(v[0]), reinterpret_cast<Packet4i>(v[2])));
sum[1] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(v[0]), reinterpret_cast<Packet4i>(v[2])));
sum[2] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(v[1]), reinterpret_cast<Packet4i>(v[3])));
sum[3] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(v[1]), reinterpret_cast<Packet4i>(v[3])));
// Now do the summation:
// Lines 0+1
sum[0] = padd<Packet4f>(sum[0], sum[1]);
// Lines 2+3
sum[1] = padd<Packet4f>(sum[2], sum[3]);
// Add the results
sum[0] = padd<Packet4f>(sum[0], sum[1]);
return sum[0];
}
template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs) template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs)
{ {
Packet4i v[4], sum[4]; Packet4i v[4], sum[4];
@ -829,13 +529,6 @@ template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(const Packet2d* vecs)
// Other reduction functions: // Other reduction functions:
// mul // mul
template<> EIGEN_STRONG_INLINE float predux_mul<Packet4f>(const Packet4f& a)
{
Packet4f prod;
prod = pmul(a, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8)));
return pfirst(pmul(prod, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(prod), reinterpret_cast<Packet4i>(prod), 4))));
}
template<> EIGEN_STRONG_INLINE int predux_mul<Packet4i>(const Packet4i& a) template<> EIGEN_STRONG_INLINE int predux_mul<Packet4i>(const Packet4i& a)
{ {
EIGEN_ALIGN16 int aux[4]; EIGEN_ALIGN16 int aux[4];
@ -849,14 +542,6 @@ template<> EIGEN_STRONG_INLINE double predux_mul<Packet2d>(const Packet2d& a)
} }
// min // min
template<> EIGEN_STRONG_INLINE float predux_min<Packet4f>(const Packet4f& a)
{
Packet4f b, res;
b = pmin<Packet4f>(a, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8)));
res = pmin<Packet4f>(b, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(b), reinterpret_cast<Packet4i>(b), 4)));
return pfirst(res);
}
template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a) template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a)
{ {
Packet4i b, res; Packet4i b, res;
@ -871,14 +556,6 @@ template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
} }
// max // max
template<> EIGEN_STRONG_INLINE float predux_max<Packet4f>(const Packet4f& a)
{
Packet4f b, res;
b = pmax<Packet4f>(a, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8)));
res = pmax<Packet4f>(b, reinterpret_cast<Packet4f>(vec_sld(reinterpret_cast<Packet4i>(b), reinterpret_cast<Packet4i>(b), 4)));
return pfirst(res);
}
template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a) template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a)
{ {
Packet4i b, res; Packet4i b, res;
@ -893,26 +570,12 @@ template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
return pfirst(pmax<Packet2d>(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8)))); return pfirst(pmax<Packet2d>(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4i>(a), reinterpret_cast<Packet4i>(a), 8))));
} }
EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4f,4>& kernel) {
Packet4f t0, t1, t2, t3;
t0 = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(kernel.packet[0]), reinterpret_cast<Packet4i>(kernel.packet[2])));
t1 = reinterpret_cast<Packet4f>(vec_mergel(reinterpret_cast<Packet4i>(kernel.packet[0]), reinterpret_cast<Packet4i>(kernel.packet[2])));
t2 = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(kernel.packet[1]), reinterpret_cast<Packet4i>(kernel.packet[3])));
t3 = reinterpret_cast<Packet4f>(vec_mergel(reinterpret_cast<Packet4i>(kernel.packet[1]), reinterpret_cast<Packet4i>(kernel.packet[3])));
kernel.packet[0] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(t0), reinterpret_cast<Packet4i>(t2)));
kernel.packet[1] = reinterpret_cast<Packet4f>(vec_mergel(reinterpret_cast<Packet4i>(t0), reinterpret_cast<Packet4i>(t2)));
kernel.packet[2] = reinterpret_cast<Packet4f>(vec_mergeh(reinterpret_cast<Packet4i>(t1), reinterpret_cast<Packet4i>(t3)));
kernel.packet[3] = reinterpret_cast<Packet4f>(vec_mergel(reinterpret_cast<Packet4i>(t1), reinterpret_cast<Packet4i>(t3)));
}
EIGEN_DEVICE_FUNC inline void EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet4i,4>& kernel) { ptranspose(PacketBlock<Packet4i,4>& kernel) {
Packet4i t0, t1, t2, t3; Packet4i t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]); Packet4i t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
t1 = vec_mergel(kernel.packet[0], kernel.packet[2]); Packet4i t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]); Packet4i t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
kernel.packet[0] = vec_mergeh(t0, t2); kernel.packet[0] = vec_mergeh(t0, t2);
kernel.packet[1] = vec_mergel(t0, t2); kernel.packet[1] = vec_mergel(t0, t2);
kernel.packet[2] = vec_mergeh(t1, t3); kernel.packet[2] = vec_mergeh(t1, t3);
@ -921,13 +584,24 @@ ptranspose(PacketBlock<Packet4i,4>& kernel) {
EIGEN_DEVICE_FUNC inline void EIGEN_DEVICE_FUNC inline void
ptranspose(PacketBlock<Packet2d,2>& kernel) { ptranspose(PacketBlock<Packet2d,2>& kernel) {
Packet2d t0, t1; Packet2d t0 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_HI);
t0 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_HI); Packet2d t1 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_LO);
t1 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_LO);
kernel.packet[0] = t0; kernel.packet[0] = t0;
kernel.packet[1] = t1; kernel.packet[1] = t1;
} }
template<> EIGEN_STRONG_INLINE Packet4i pblend(const Selector<4>& ifPacket, const Packet4i& thenPacket, const Packet4i& elsePacket) {
Packet4ui select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3] };
Packet4ui mask = vec_cmpeq(select, reinterpret_cast<Packet4ui>(p4i_ONE));
return vec_sel(elsePacket, thenPacket, mask);
}
template<> EIGEN_STRONG_INLINE Packet2d pblend(const Selector<2>& ifPacket, const Packet2d& thenPacket, const Packet2d& elsePacket) {
Packet2ul select = { ifPacket.select[0], ifPacket.select[1] };
Packet2ul mask = vec_cmpeq(select, reinterpret_cast<Packet2ul>(p2l_ONE));
return vec_sel(elsePacket, thenPacket, mask);
}
} // end namespace internal } // end namespace internal
} // end namespace Eigen } // end namespace Eigen