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Eigen  3.4.0
 
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AltiVec/PacketMath.h
1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Copyright (C) 2008-2016 Konstantinos Margaritis <markos@freevec.org>
5//
6// This Source Code Form is subject to the terms of the Mozilla
7// Public License v. 2.0. If a copy of the MPL was not distributed
8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10#ifndef EIGEN_PACKET_MATH_ALTIVEC_H
11#define EIGEN_PACKET_MATH_ALTIVEC_H
12
13namespace Eigen {
14
15namespace internal {
16
17#ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD
18#define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 4
19#endif
20
21#ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD
22#define EIGEN_HAS_SINGLE_INSTRUCTION_MADD
23#endif
24
25// NOTE Altivec has 32 registers, but Eigen only accepts a value of 8 or 16
26#ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
27#define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 32
28#endif
29
30typedef __vector float Packet4f;
31typedef __vector int Packet4i;
32typedef __vector unsigned int Packet4ui;
33typedef __vector __bool int Packet4bi;
34typedef __vector short int Packet8s;
35typedef __vector unsigned short int Packet8us;
36typedef __vector signed char Packet16c;
37typedef __vector unsigned char Packet16uc;
38typedef eigen_packet_wrapper<__vector unsigned short int,0> Packet8bf;
39
40// We don't want to write the same code all the time, but we need to reuse the constants
41// and it doesn't really work to declare them global, so we define macros instead
42#define _EIGEN_DECLARE_CONST_FAST_Packet4f(NAME,X) \
43 Packet4f p4f_##NAME = {X, X, X, X}
44
45#define _EIGEN_DECLARE_CONST_FAST_Packet4i(NAME,X) \
46 Packet4i p4i_##NAME = vec_splat_s32(X)
47
48#define _EIGEN_DECLARE_CONST_FAST_Packet4ui(NAME,X) \
49 Packet4ui p4ui_##NAME = {X, X, X, X}
50
51#define _EIGEN_DECLARE_CONST_FAST_Packet8us(NAME,X) \
52 Packet8us p8us_##NAME = {X, X, X, X, X, X, X, X}
53
54#define _EIGEN_DECLARE_CONST_FAST_Packet16uc(NAME,X) \
55 Packet16uc p16uc_##NAME = {X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X}
56
57#define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \
58 Packet4f p4f_##NAME = pset1<Packet4f>(X)
59
60#define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \
61 Packet4i p4i_##NAME = pset1<Packet4i>(X)
62
63#define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \
64 Packet2d p2d_##NAME = pset1<Packet2d>(X)
65
66#define _EIGEN_DECLARE_CONST_Packet2l(NAME,X) \
67 Packet2l p2l_##NAME = pset1<Packet2l>(X)
68
69#define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \
70 const Packet4f p4f_##NAME = reinterpret_cast<Packet4f>(pset1<Packet4i>(X))
71
72#define DST_CHAN 1
73#define DST_CTRL(size, count, stride) (((size) << 24) | ((count) << 16) | (stride))
74#define __UNPACK_TYPE__(PACKETNAME) typename unpacket_traits<PACKETNAME>::type
75
76// These constants are endian-agnostic
77static _EIGEN_DECLARE_CONST_FAST_Packet4f(ZERO, 0); //{ 0.0, 0.0, 0.0, 0.0}
78static _EIGEN_DECLARE_CONST_FAST_Packet4i(ZERO, 0); //{ 0, 0, 0, 0,}
79static _EIGEN_DECLARE_CONST_FAST_Packet4i(ONE,1); //{ 1, 1, 1, 1}
80static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS16,-16); //{ -16, -16, -16, -16}
81static _EIGEN_DECLARE_CONST_FAST_Packet4i(MINUS1,-1); //{ -1, -1, -1, -1}
82static _EIGEN_DECLARE_CONST_FAST_Packet4ui(SIGN, 0x80000000u);
83static _EIGEN_DECLARE_CONST_FAST_Packet4ui(PREV0DOT5, 0x3EFFFFFFu);
84static _EIGEN_DECLARE_CONST_FAST_Packet8us(ONE,1); //{ 1, 1, 1, 1, 1, 1, 1, 1}
85static _EIGEN_DECLARE_CONST_FAST_Packet16uc(ONE,1);
86static Packet4f p4f_MZERO = (Packet4f) vec_sl((Packet4ui)p4i_MINUS1, (Packet4ui)p4i_MINUS1); //{ 0x80000000, 0x80000000, 0x80000000, 0x80000000}
87#ifndef __VSX__
88static Packet4f p4f_ONE = vec_ctf(p4i_ONE, 0); //{ 1.0, 1.0, 1.0, 1.0}
89#endif
90
91static Packet4f p4f_COUNTDOWN = { 0.0, 1.0, 2.0, 3.0 };
92static Packet4i p4i_COUNTDOWN = { 0, 1, 2, 3 };
93static Packet8s p8s_COUNTDOWN = { 0, 1, 2, 3, 4, 5, 6, 7 };
94static Packet8us p8us_COUNTDOWN = { 0, 1, 2, 3, 4, 5, 6, 7 };
95
96static Packet16c p16c_COUNTDOWN = { 0, 1, 2, 3, 4, 5, 6, 7,
97 8, 9, 10, 11, 12, 13, 14, 15};
98static Packet16uc p16uc_COUNTDOWN = { 0, 1, 2, 3, 4, 5, 6, 7,
99 8, 9, 10, 11, 12, 13, 14, 15};
100
101static Packet16uc p16uc_REVERSE32 = { 12,13,14,15, 8,9,10,11, 4,5,6,7, 0,1,2,3 };
102static Packet16uc p16uc_REVERSE16 = { 14,15, 12,13, 10,11, 8,9, 6,7, 4,5, 2,3, 0,1 };
103static Packet16uc p16uc_REVERSE8 = { 15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0 };
104
105static Packet16uc p16uc_DUPLICATE32_HI = { 0,1,2,3, 0,1,2,3, 4,5,6,7, 4,5,6,7 };
106static Packet16uc p16uc_DUPLICATE16_HI = { 0,1,0,1, 2,3,2,3, 4,5,4,5, 6,7,6,7 };
107static Packet16uc p16uc_DUPLICATE8_HI = { 0,0, 1,1, 2,2, 3,3, 4,4, 5,5, 6,6, 7,7 };
108static const Packet16uc p16uc_DUPLICATE16_EVEN= { 0,1 ,0,1, 4,5, 4,5, 8,9, 8,9, 12,13, 12,13 };
109static const Packet16uc p16uc_DUPLICATE16_ODD = { 2,3 ,2,3, 6,7, 6,7, 10,11, 10,11, 14,15, 14,15 };
110
111static Packet16uc p16uc_QUADRUPLICATE16_HI = { 0,1,0,1,0,1,0,1, 2,3,2,3,2,3,2,3 };
112
113// Handle endianness properly while loading constants
114// Define global static constants:
115#ifdef _BIG_ENDIAN
116static Packet16uc p16uc_FORWARD = vec_lvsl(0, (float*)0);
117#ifdef __VSX__
118static Packet16uc p16uc_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
119#endif
120static 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 };
121static 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 };
122static 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};
123#else
124static Packet16uc p16uc_FORWARD = p16uc_REVERSE32;
125static Packet16uc p16uc_REVERSE64 = { 8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7 };
126static 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 };
127static 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 };
128static 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};
129#endif // _BIG_ENDIAN
130
131static 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 };
132static 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 };
133static Packet16uc p16uc_TRANSPOSE64_HI = p16uc_PSET64_HI + p16uc_HALF64_0_16; //{ 0,1,2,3, 4,5,6,7, 16,17,18,19, 20,21,22,23};
134static Packet16uc p16uc_TRANSPOSE64_LO = p16uc_PSET64_LO + p16uc_HALF64_0_16; //{ 8,9,10,11, 12,13,14,15, 24,25,26,27, 28,29,30,31};
135
136static 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 };
137
138#ifdef _BIG_ENDIAN
139static 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 };
140#else
141static 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 };
142#endif // _BIG_ENDIAN
143
144#if EIGEN_HAS_BUILTIN(__builtin_prefetch) || EIGEN_COMP_GNUC
145 #define EIGEN_PPC_PREFETCH(ADDR) __builtin_prefetch(ADDR);
146#else
147 #define EIGEN_PPC_PREFETCH(ADDR) asm( " dcbt [%[addr]]\n" :: [addr] "r" (ADDR) : "cc" );
148#endif
149
150template <>
151struct packet_traits<float> : default_packet_traits {
152 typedef Packet4f type;
153 typedef Packet4f half;
154 enum {
155 Vectorizable = 1,
156 AlignedOnScalar = 1,
157 size = 4,
158 HasHalfPacket = 1,
159
160 HasAdd = 1,
161 HasSub = 1,
162 HasMul = 1,
163 HasDiv = 1,
164 HasMin = 1,
165 HasMax = 1,
166 HasAbs = 1,
167 HasSin = EIGEN_FAST_MATH,
168 HasCos = EIGEN_FAST_MATH,
169 HasLog = 1,
170 HasExp = 1,
171#ifdef __VSX__
172 HasSqrt = 1,
173#if !EIGEN_COMP_CLANG
174 HasRsqrt = 1,
175#else
176 HasRsqrt = 0,
177#endif
178#else
179 HasSqrt = 0,
180 HasRsqrt = 0,
181 HasTanh = EIGEN_FAST_MATH,
182 HasErf = EIGEN_FAST_MATH,
183#endif
184 HasRound = 1,
185 HasFloor = 1,
186 HasCeil = 1,
187 HasRint = 1,
188 HasNegate = 1,
189 HasBlend = 1
190 };
191};
192template <>
193struct packet_traits<bfloat16> : default_packet_traits {
194 typedef Packet8bf type;
195 typedef Packet8bf half;
196 enum {
197 Vectorizable = 1,
198 AlignedOnScalar = 1,
199 size = 8,
200 HasHalfPacket = 0,
201
202 HasAdd = 1,
203 HasSub = 1,
204 HasMul = 1,
205 HasDiv = 1,
206 HasMin = 1,
207 HasMax = 1,
208 HasAbs = 1,
209 HasSin = EIGEN_FAST_MATH,
210 HasCos = EIGEN_FAST_MATH,
211 HasLog = 1,
212 HasExp = 1,
213#ifdef __VSX__
214 HasSqrt = 1,
215#if !EIGEN_COMP_CLANG
216 HasRsqrt = 1,
217#else
218 HasRsqrt = 0,
219#endif
220#else
221 HasSqrt = 0,
222 HasRsqrt = 0,
223 HasTanh = EIGEN_FAST_MATH,
224 HasErf = EIGEN_FAST_MATH,
225#endif
226 HasRound = 1,
227 HasFloor = 1,
228 HasCeil = 1,
229 HasRint = 1,
230 HasNegate = 1,
231 HasBlend = 1
232 };
233};
234
235template <>
236struct packet_traits<int> : default_packet_traits {
237 typedef Packet4i type;
238 typedef Packet4i half;
239 enum {
240 Vectorizable = 1,
241 AlignedOnScalar = 1,
242 size = 4,
243 HasHalfPacket = 0,
244
245 HasAdd = 1,
246 HasSub = 1,
247 HasShift = 1,
248 HasMul = 1,
249 HasDiv = 0,
250 HasBlend = 1
251 };
252};
253
254template <>
255struct packet_traits<short int> : default_packet_traits {
256 typedef Packet8s type;
257 typedef Packet8s half;
258 enum {
259 Vectorizable = 1,
260 AlignedOnScalar = 1,
261 size = 8,
262 HasHalfPacket = 0,
263
264 HasAdd = 1,
265 HasSub = 1,
266 HasMul = 1,
267 HasDiv = 0,
268 HasBlend = 1
269 };
270};
271
272template <>
273struct packet_traits<unsigned short int> : default_packet_traits {
274 typedef Packet8us type;
275 typedef Packet8us half;
276 enum {
277 Vectorizable = 1,
278 AlignedOnScalar = 1,
279 size = 8,
280 HasHalfPacket = 0,
281
282 HasAdd = 1,
283 HasSub = 1,
284 HasMul = 1,
285 HasDiv = 0,
286 HasBlend = 1
287 };
288};
289
290template <>
291struct packet_traits<signed char> : default_packet_traits {
292 typedef Packet16c type;
293 typedef Packet16c half;
294 enum {
295 Vectorizable = 1,
296 AlignedOnScalar = 1,
297 size = 16,
298 HasHalfPacket = 0,
299
300 HasAdd = 1,
301 HasSub = 1,
302 HasMul = 1,
303 HasDiv = 0,
304 HasBlend = 1
305 };
306};
307
308template <>
309struct packet_traits<unsigned char> : default_packet_traits {
310 typedef Packet16uc type;
311 typedef Packet16uc half;
312 enum {
313 Vectorizable = 1,
314 AlignedOnScalar = 1,
315 size = 16,
316 HasHalfPacket = 0,
317
318 HasAdd = 1,
319 HasSub = 1,
320 HasMul = 1,
321 HasDiv = 0,
322 HasBlend = 1
323 };
324};
325
326template<> struct unpacket_traits<Packet4f>
327{
328 typedef float type;
329 typedef Packet4f half;
330 typedef Packet4i integer_packet;
331 enum {size=4, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
332};
333template<> struct unpacket_traits<Packet4i>
334{
335 typedef int type;
336 typedef Packet4i half;
337 enum {size=4, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
338};
339template<> struct unpacket_traits<Packet8s>
340{
341 typedef short int type;
342 typedef Packet8s half;
343 enum {size=8, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
344};
345template<> struct unpacket_traits<Packet8us>
346{
347 typedef unsigned short int type;
348 typedef Packet8us half;
349 enum {size=8, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
350};
351
352template<> struct unpacket_traits<Packet16c>
353{
354 typedef signed char type;
355 typedef Packet16c half;
356 enum {size=16, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
357};
358template<> struct unpacket_traits<Packet16uc>
359{
360 typedef unsigned char type;
361 typedef Packet16uc half;
362 enum {size=16, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
363};
364
365template<> struct unpacket_traits<Packet8bf>
366{
367 typedef bfloat16 type;
368 typedef Packet8bf half;
369 enum {size=8, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false};
370};
371inline std::ostream & operator <<(std::ostream & s, const Packet16c & v)
372{
373 union {
374 Packet16c v;
375 signed char n[16];
376 } vt;
377 vt.v = v;
378 for (int i=0; i< 16; i++)
379 s << vt.n[i] << ", ";
380 return s;
381}
382
383inline std::ostream & operator <<(std::ostream & s, const Packet16uc & v)
384{
385 union {
386 Packet16uc v;
387 unsigned char n[16];
388 } vt;
389 vt.v = v;
390 for (int i=0; i< 16; i++)
391 s << vt.n[i] << ", ";
392 return s;
393}
394
395inline std::ostream & operator <<(std::ostream & s, const Packet4f & v)
396{
397 union {
398 Packet4f v;
399 float n[4];
400 } vt;
401 vt.v = v;
402 s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
403 return s;
404}
405
406inline std::ostream & operator <<(std::ostream & s, const Packet4i & v)
407{
408 union {
409 Packet4i v;
410 int n[4];
411 } vt;
412 vt.v = v;
413 s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
414 return s;
415}
416
417inline std::ostream & operator <<(std::ostream & s, const Packet4ui & v)
418{
419 union {
420 Packet4ui v;
421 unsigned int n[4];
422 } vt;
423 vt.v = v;
424 s << vt.n[0] << ", " << vt.n[1] << ", " << vt.n[2] << ", " << vt.n[3];
425 return s;
426}
427
428template <typename Packet>
429EIGEN_STRONG_INLINE Packet pload_common(const __UNPACK_TYPE__(Packet)* from)
430{
431 // some versions of GCC throw "unused-but-set-parameter".
432 // ignoring these warnings for now.
433 EIGEN_UNUSED_VARIABLE(from);
434 EIGEN_DEBUG_ALIGNED_LOAD
435#ifdef __VSX__
436 return vec_xl(0, const_cast<__UNPACK_TYPE__(Packet)*>(from));
437#else
438 return vec_ld(0, from);
439#endif
440}
441
442// Need to define them first or we get specialization after instantiation errors
443template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from)
444{
445 return pload_common<Packet4f>(from);
446}
447
448template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from)
449{
450 return pload_common<Packet4i>(from);
451}
452
453template<> EIGEN_STRONG_INLINE Packet8s pload<Packet8s>(const short int* from)
454{
455 return pload_common<Packet8s>(from);
456}
457
458template<> EIGEN_STRONG_INLINE Packet8us pload<Packet8us>(const unsigned short int* from)
459{
460 return pload_common<Packet8us>(from);
461}
462
463template<> EIGEN_STRONG_INLINE Packet16c pload<Packet16c>(const signed char* from)
464{
465 return pload_common<Packet16c>(from);
466}
467
468template<> EIGEN_STRONG_INLINE Packet16uc pload<Packet16uc>(const unsigned char* from)
469{
470 return pload_common<Packet16uc>(from);
471}
472
473template<> EIGEN_STRONG_INLINE Packet8bf pload<Packet8bf>(const bfloat16* from)
474{
475 return pload_common<Packet8us>(reinterpret_cast<const unsigned short int*>(from));
476}
477
478template <typename Packet>
479EIGEN_STRONG_INLINE void pstore_common(__UNPACK_TYPE__(Packet)* to, const Packet& from){
480 // some versions of GCC throw "unused-but-set-parameter" (float *to).
481 // ignoring these warnings for now.
482 EIGEN_UNUSED_VARIABLE(to);
483 EIGEN_DEBUG_ALIGNED_STORE
484#ifdef __VSX__
485 vec_xst(from, 0, to);
486#else
487 vec_st(from, 0, to);
488#endif
489}
490
491template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from)
492{
493 pstore_common<Packet4f>(to, from);
494}
495
496template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from)
497{
498 pstore_common<Packet4i>(to, from);
499}
500
501template<> EIGEN_STRONG_INLINE void pstore<short int>(short int* to, const Packet8s& from)
502{
503 pstore_common<Packet8s>(to, from);
504}
505
506template<> EIGEN_STRONG_INLINE void pstore<unsigned short int>(unsigned short int* to, const Packet8us& from)
507{
508 pstore_common<Packet8us>(to, from);
509}
510
511template<> EIGEN_STRONG_INLINE void pstore<bfloat16>(bfloat16* to, const Packet8bf& from)
512{
513 pstore_common<Packet8us>(reinterpret_cast<unsigned short int*>(to), from);
514}
515
516template<> EIGEN_STRONG_INLINE void pstore<signed char>(signed char* to, const Packet16c& from)
517{
518 pstore_common<Packet16c>(to, from);
519}
520
521template<> EIGEN_STRONG_INLINE void pstore<unsigned char>(unsigned char* to, const Packet16uc& from)
522{
523 pstore_common<Packet16uc>(to, from);
524}
525
526template<typename Packet>
527EIGEN_STRONG_INLINE Packet pset1_size4(const __UNPACK_TYPE__(Packet)& from)
528{
529 Packet v = {from, from, from, from};
530 return v;
531}
532
533template<typename Packet>
534EIGEN_STRONG_INLINE Packet pset1_size8(const __UNPACK_TYPE__(Packet)& from)
535{
536 Packet v = {from, from, from, from, from, from, from, from};
537 return v;
538}
539
540template<typename Packet>
541EIGEN_STRONG_INLINE Packet pset1_size16(const __UNPACK_TYPE__(Packet)& from)
542{
543 Packet v = {from, from, from, from, from, from, from, from, from, from, from, from, from, from, from, from};
544 return v;
545}
546
547template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) {
548 return pset1_size4<Packet4f>(from);
549}
550
551template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) {
552 return pset1_size4<Packet4i>(from);
553}
554
555template<> EIGEN_STRONG_INLINE Packet8s pset1<Packet8s>(const short int& from) {
556 return pset1_size8<Packet8s>(from);
557}
558
559template<> EIGEN_STRONG_INLINE Packet8us pset1<Packet8us>(const unsigned short int& from) {
560 return pset1_size8<Packet8us>(from);
561}
562
563template<> EIGEN_STRONG_INLINE Packet16c pset1<Packet16c>(const signed char& from) {
564 return pset1_size16<Packet16c>(from);
565}
566
567template<> EIGEN_STRONG_INLINE Packet16uc pset1<Packet16uc>(const unsigned char& from) {
568 return pset1_size16<Packet16uc>(from);
569}
570
571template<> EIGEN_STRONG_INLINE Packet4f pset1frombits<Packet4f>(unsigned int from) {
572 return reinterpret_cast<Packet4f>(pset1<Packet4i>(from));
573}
574
575template<> EIGEN_STRONG_INLINE Packet8bf pset1<Packet8bf>(const bfloat16& from) {
576 return pset1_size8<Packet8us>(reinterpret_cast<const unsigned short int&>(from));
577}
578
579template<typename Packet> EIGEN_STRONG_INLINE void
580pbroadcast4_common(const __UNPACK_TYPE__(Packet) *a,
581 Packet& a0, Packet& a1, Packet& a2, Packet& a3)
582{
583 a3 = pload<Packet>(a);
584 a0 = vec_splat(a3, 0);
585 a1 = vec_splat(a3, 1);
586 a2 = vec_splat(a3, 2);
587 a3 = vec_splat(a3, 3);
588}
589
590template<> EIGEN_STRONG_INLINE void
591pbroadcast4<Packet4f>(const float *a,
592 Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
593{
594 pbroadcast4_common<Packet4f>(a, a0, a1, a2, a3);
595}
596template<> EIGEN_STRONG_INLINE void
597pbroadcast4<Packet4i>(const int *a,
598 Packet4i& a0, Packet4i& a1, Packet4i& a2, Packet4i& a3)
599{
600 pbroadcast4_common<Packet4i>(a, a0, a1, a2, a3);
601}
602
603template<typename Packet> EIGEN_DEVICE_FUNC inline Packet pgather_common(const __UNPACK_TYPE__(Packet)* from, Index stride)
604{
605 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[4];
606 a[0] = from[0*stride];
607 a[1] = from[1*stride];
608 a[2] = from[2*stride];
609 a[3] = from[3*stride];
610 return pload<Packet>(a);
611}
612
613template<> EIGEN_DEVICE_FUNC inline Packet4f pgather<float, Packet4f>(const float* from, Index stride)
614{
615 return pgather_common<Packet4f>(from, stride);
616}
617
618template<> EIGEN_DEVICE_FUNC inline Packet4i pgather<int, Packet4i>(const int* from, Index stride)
619{
620 return pgather_common<Packet4i>(from, stride);
621}
622
623template<typename Packet> EIGEN_DEVICE_FUNC inline Packet pgather_size8(const __UNPACK_TYPE__(Packet)* from, Index stride)
624{
625 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[8];
626 a[0] = from[0*stride];
627 a[1] = from[1*stride];
628 a[2] = from[2*stride];
629 a[3] = from[3*stride];
630 a[4] = from[4*stride];
631 a[5] = from[5*stride];
632 a[6] = from[6*stride];
633 a[7] = from[7*stride];
634 return pload<Packet>(a);
635}
636
637template<> EIGEN_DEVICE_FUNC inline Packet8s pgather<short int, Packet8s>(const short int* from, Index stride)
638{
639 return pgather_size8<Packet8s>(from, stride);
640}
641
642template<> EIGEN_DEVICE_FUNC inline Packet8us pgather<unsigned short int, Packet8us>(const unsigned short int* from, Index stride)
643{
644 return pgather_size8<Packet8us>(from, stride);
645}
646
647template<> EIGEN_DEVICE_FUNC inline Packet8bf pgather<bfloat16, Packet8bf>(const bfloat16* from, Index stride)
648{
649 return pgather_size8<Packet8bf>(from, stride);
650}
651
652template<typename Packet> EIGEN_DEVICE_FUNC inline Packet pgather_size16(const __UNPACK_TYPE__(Packet)* from, Index stride)
653{
654 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[16];
655 a[0] = from[0*stride];
656 a[1] = from[1*stride];
657 a[2] = from[2*stride];
658 a[3] = from[3*stride];
659 a[4] = from[4*stride];
660 a[5] = from[5*stride];
661 a[6] = from[6*stride];
662 a[7] = from[7*stride];
663 a[8] = from[8*stride];
664 a[9] = from[9*stride];
665 a[10] = from[10*stride];
666 a[11] = from[11*stride];
667 a[12] = from[12*stride];
668 a[13] = from[13*stride];
669 a[14] = from[14*stride];
670 a[15] = from[15*stride];
671 return pload<Packet>(a);
672}
673
674
675template<> EIGEN_DEVICE_FUNC inline Packet16c pgather<signed char, Packet16c>(const signed char* from, Index stride)
676{
677 return pgather_size16<Packet16c>(from, stride);
678}
679
680template<> EIGEN_DEVICE_FUNC inline Packet16uc pgather<unsigned char, Packet16uc>(const unsigned char* from, Index stride)
681{
682 return pgather_size16<Packet16uc>(from, stride);
683}
684
685template<typename Packet> EIGEN_DEVICE_FUNC inline void pscatter_size4(__UNPACK_TYPE__(Packet)* to, const Packet& from, Index stride)
686{
687 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[4];
688 pstore<__UNPACK_TYPE__(Packet)>(a, from);
689 to[0*stride] = a[0];
690 to[1*stride] = a[1];
691 to[2*stride] = a[2];
692 to[3*stride] = a[3];
693}
694
695template<> EIGEN_DEVICE_FUNC inline void pscatter<float, Packet4f>(float* to, const Packet4f& from, Index stride)
696{
697 pscatter_size4<Packet4f>(to, from, stride);
698}
699
700template<> EIGEN_DEVICE_FUNC inline void pscatter<int, Packet4i>(int* to, const Packet4i& from, Index stride)
701{
702 pscatter_size4<Packet4i>(to, from, stride);
703}
704
705template<typename Packet> EIGEN_DEVICE_FUNC inline void pscatter_size8(__UNPACK_TYPE__(Packet)* to, const Packet& from, Index stride)
706{
707 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[8];
708 pstore<__UNPACK_TYPE__(Packet)>(a, from);
709 to[0*stride] = a[0];
710 to[1*stride] = a[1];
711 to[2*stride] = a[2];
712 to[3*stride] = a[3];
713 to[4*stride] = a[4];
714 to[5*stride] = a[5];
715 to[6*stride] = a[6];
716 to[7*stride] = a[7];
717}
718
719
720template<> EIGEN_DEVICE_FUNC inline void pscatter<short int, Packet8s>(short int* to, const Packet8s& from, Index stride)
721{
722 pscatter_size8<Packet8s>(to, from, stride);
723}
724
725template<> EIGEN_DEVICE_FUNC inline void pscatter<unsigned short int, Packet8us>(unsigned short int* to, const Packet8us& from, Index stride)
726{
727 pscatter_size8<Packet8us>(to, from, stride);
728}
729
730template<> EIGEN_DEVICE_FUNC inline void pscatter<bfloat16, Packet8bf>(bfloat16* to, const Packet8bf& from, Index stride)
731{
732 pscatter_size8<Packet8bf>(to, from, stride);
733}
734
735template<typename Packet> EIGEN_DEVICE_FUNC inline void pscatter_size16(__UNPACK_TYPE__(Packet)* to, const Packet& from, Index stride)
736{
737 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) a[16];
738 pstore<__UNPACK_TYPE__(Packet)>(a, from);
739 to[0*stride] = a[0];
740 to[1*stride] = a[1];
741 to[2*stride] = a[2];
742 to[3*stride] = a[3];
743 to[4*stride] = a[4];
744 to[5*stride] = a[5];
745 to[6*stride] = a[6];
746 to[7*stride] = a[7];
747 to[8*stride] = a[8];
748 to[9*stride] = a[9];
749 to[10*stride] = a[10];
750 to[11*stride] = a[11];
751 to[12*stride] = a[12];
752 to[13*stride] = a[13];
753 to[14*stride] = a[14];
754 to[15*stride] = a[15];
755}
756
757template<> EIGEN_DEVICE_FUNC inline void pscatter<signed char, Packet16c>(signed char* to, const Packet16c& from, Index stride)
758{
759 pscatter_size16<Packet16c>(to, from, stride);
760}
761
762template<> EIGEN_DEVICE_FUNC inline void pscatter<unsigned char, Packet16uc>(unsigned char* to, const Packet16uc& from, Index stride)
763{
764 pscatter_size16<Packet16uc>(to, from, stride);
765}
766
767template<> EIGEN_STRONG_INLINE Packet4f plset<Packet4f>(const float& a) { return pset1<Packet4f>(a) + p4f_COUNTDOWN; }
768template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(const int& a) { return pset1<Packet4i>(a) + p4i_COUNTDOWN; }
769template<> EIGEN_STRONG_INLINE Packet8s plset<Packet8s>(const short int& a) { return pset1<Packet8s>(a) + p8s_COUNTDOWN; }
770template<> EIGEN_STRONG_INLINE Packet8us plset<Packet8us>(const unsigned short int& a) { return pset1<Packet8us>(a) + p8us_COUNTDOWN; }
771template<> EIGEN_STRONG_INLINE Packet16c plset<Packet16c>(const signed char& a) { return pset1<Packet16c>(a) + p16c_COUNTDOWN; }
772template<> EIGEN_STRONG_INLINE Packet16uc plset<Packet16uc>(const unsigned char& a) { return pset1<Packet16uc>(a) + p16uc_COUNTDOWN; }
773
774template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f> (const Packet4f& a, const Packet4f& b) { return a + b; }
775template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i> (const Packet4i& a, const Packet4i& b) { return a + b; }
776template<> EIGEN_STRONG_INLINE Packet4ui padd<Packet4ui> (const Packet4ui& a, const Packet4ui& b) { return a + b; }
777template<> EIGEN_STRONG_INLINE Packet8s padd<Packet8s> (const Packet8s& a, const Packet8s& b) { return a + b; }
778template<> EIGEN_STRONG_INLINE Packet8us padd<Packet8us> (const Packet8us& a, const Packet8us& b) { return a + b; }
779template<> EIGEN_STRONG_INLINE Packet16c padd<Packet16c> (const Packet16c& a, const Packet16c& b) { return a + b; }
780template<> EIGEN_STRONG_INLINE Packet16uc padd<Packet16uc>(const Packet16uc& a, const Packet16uc& b) { return a + b; }
781
782template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f> (const Packet4f& a, const Packet4f& b) { return a - b; }
783template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i> (const Packet4i& a, const Packet4i& b) { return a - b; }
784template<> EIGEN_STRONG_INLINE Packet8s psub<Packet8s> (const Packet8s& a, const Packet8s& b) { return a - b; }
785template<> EIGEN_STRONG_INLINE Packet8us psub<Packet8us> (const Packet8us& a, const Packet8us& b) { return a - b; }
786template<> EIGEN_STRONG_INLINE Packet16c psub<Packet16c> (const Packet16c& a, const Packet16c& b) { return a - b; }
787template<> EIGEN_STRONG_INLINE Packet16uc psub<Packet16uc>(const Packet16uc& a, const Packet16uc& b) { return a - b; }
788
789template<> EIGEN_STRONG_INLINE Packet4f pnegate(const Packet4f& a) { return p4f_ZERO - a; }
790template<> EIGEN_STRONG_INLINE Packet4i pnegate(const Packet4i& a) { return p4i_ZERO - a; }
791
792template<> EIGEN_STRONG_INLINE Packet4f pconj(const Packet4f& a) { return a; }
793template<> EIGEN_STRONG_INLINE Packet4i pconj(const Packet4i& a) { return a; }
794
795template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f> (const Packet4f& a, const Packet4f& b) { return vec_madd(a,b, p4f_MZERO); }
796template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i> (const Packet4i& a, const Packet4i& b) { return a * b; }
797template<> EIGEN_STRONG_INLINE Packet8s pmul<Packet8s> (const Packet8s& a, const Packet8s& b) { return vec_mul(a,b); }
798template<> EIGEN_STRONG_INLINE Packet8us pmul<Packet8us> (const Packet8us& a, const Packet8us& b) { return vec_mul(a,b); }
799template<> EIGEN_STRONG_INLINE Packet16c pmul<Packet16c> (const Packet16c& a, const Packet16c& b) { return vec_mul(a,b); }
800template<> EIGEN_STRONG_INLINE Packet16uc pmul<Packet16uc>(const Packet16uc& a, const Packet16uc& b) { return vec_mul(a,b); }
801
802
803template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const Packet4f& b)
804{
805#ifndef __VSX__ // VSX actually provides a div instruction
806 Packet4f t, y_0, y_1;
807
808 // Altivec does not offer a divide instruction, we have to do a reciprocal approximation
809 y_0 = vec_re(b);
810
811 // Do one Newton-Raphson iteration to get the needed accuracy
812 t = vec_nmsub(y_0, b, p4f_ONE);
813 y_1 = vec_madd(y_0, t, y_0);
814
815 return vec_madd(a, y_1, p4f_MZERO);
816#else
817 return vec_div(a, b);
818#endif
819}
820
821template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& /*a*/, const Packet4i& /*b*/)
822{ eigen_assert(false && "packet integer division are not supported by AltiVec");
823 return pset1<Packet4i>(0);
824}
825
826// for some weird raisons, it has to be overloaded for packet of integers
827template<> EIGEN_STRONG_INLINE Packet4f pmadd(const Packet4f& a, const Packet4f& b, const Packet4f& c) { return vec_madd(a,b,c); }
828template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c) { return a*b + c; }
829template<> EIGEN_STRONG_INLINE Packet8s pmadd(const Packet8s& a, const Packet8s& b, const Packet8s& c) { return vec_madd(a,b,c); }
830template<> EIGEN_STRONG_INLINE Packet8us pmadd(const Packet8us& a, const Packet8us& b, const Packet8us& c) { return vec_madd(a,b,c); }
831
832template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(const Packet4f& a, const Packet4f& b)
833{
834 #ifdef __VSX__
835 // NOTE: about 10% slower than vec_min, but consistent with std::min and SSE regarding NaN
836 Packet4f ret;
837 __asm__ ("xvcmpgesp %x0,%x1,%x2\n\txxsel %x0,%x1,%x2,%x0" : "=&wa" (ret) : "wa" (a), "wa" (b));
838 return ret;
839 #else
840 return vec_min(a, b);
841 #endif
842}
843template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_min(a, b); }
844template<> EIGEN_STRONG_INLINE Packet8s pmin<Packet8s>(const Packet8s& a, const Packet8s& b) { return vec_min(a, b); }
845template<> EIGEN_STRONG_INLINE Packet8us pmin<Packet8us>(const Packet8us& a, const Packet8us& b) { return vec_min(a, b); }
846template<> EIGEN_STRONG_INLINE Packet16c pmin<Packet16c>(const Packet16c& a, const Packet16c& b) { return vec_min(a, b); }
847template<> EIGEN_STRONG_INLINE Packet16uc pmin<Packet16uc>(const Packet16uc& a, const Packet16uc& b) { return vec_min(a, b); }
848
849
850template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(const Packet4f& a, const Packet4f& b)
851{
852 #ifdef __VSX__
853 // NOTE: about 10% slower than vec_max, but consistent with std::max and SSE regarding NaN
854 Packet4f ret;
855 __asm__ ("xvcmpgtsp %x0,%x2,%x1\n\txxsel %x0,%x1,%x2,%x0" : "=&wa" (ret) : "wa" (a), "wa" (b));
856 return ret;
857 #else
858 return vec_max(a, b);
859 #endif
860}
861template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_max(a, b); }
862template<> EIGEN_STRONG_INLINE Packet8s pmax<Packet8s>(const Packet8s& a, const Packet8s& b) { return vec_max(a, b); }
863template<> EIGEN_STRONG_INLINE Packet8us pmax<Packet8us>(const Packet8us& a, const Packet8us& b) { return vec_max(a, b); }
864template<> EIGEN_STRONG_INLINE Packet16c pmax<Packet16c>(const Packet16c& a, const Packet16c& b) { return vec_max(a, b); }
865template<> EIGEN_STRONG_INLINE Packet16uc pmax<Packet16uc>(const Packet16uc& a, const Packet16uc& b) { return vec_max(a, b); }
866
867template<> EIGEN_STRONG_INLINE Packet4f pcmp_le(const Packet4f& a, const Packet4f& b) { return reinterpret_cast<Packet4f>(vec_cmple(a,b)); }
868template<> EIGEN_STRONG_INLINE Packet4f pcmp_lt(const Packet4f& a, const Packet4f& b) { return reinterpret_cast<Packet4f>(vec_cmplt(a,b)); }
869template<> EIGEN_STRONG_INLINE Packet4f pcmp_eq(const Packet4f& a, const Packet4f& b) { return reinterpret_cast<Packet4f>(vec_cmpeq(a,b)); }
870template<> EIGEN_STRONG_INLINE Packet4f pcmp_lt_or_nan(const Packet4f& a, const Packet4f& b) {
871 Packet4f c = reinterpret_cast<Packet4f>(vec_cmpge(a,b));
872 return vec_nor(c,c);
873}
874
875template<> EIGEN_STRONG_INLINE Packet4i pcmp_le(const Packet4i& a, const Packet4i& b) { return reinterpret_cast<Packet4i>(vec_cmple(a,b)); }
876template<> EIGEN_STRONG_INLINE Packet4i pcmp_lt(const Packet4i& a, const Packet4i& b) { return reinterpret_cast<Packet4i>(vec_cmplt(a,b)); }
877template<> EIGEN_STRONG_INLINE Packet4i pcmp_eq(const Packet4i& a, const Packet4i& b) { return reinterpret_cast<Packet4i>(vec_cmpeq(a,b)); }
878template<> EIGEN_STRONG_INLINE Packet8s pcmp_le(const Packet8s& a, const Packet8s& b) { return reinterpret_cast<Packet8s>(vec_cmple(a,b)); }
879template<> EIGEN_STRONG_INLINE Packet8s pcmp_lt(const Packet8s& a, const Packet8s& b) { return reinterpret_cast<Packet8s>(vec_cmplt(a,b)); }
880template<> EIGEN_STRONG_INLINE Packet8s pcmp_eq(const Packet8s& a, const Packet8s& b) { return reinterpret_cast<Packet8s>(vec_cmpeq(a,b)); }
881template<> EIGEN_STRONG_INLINE Packet8us pcmp_le(const Packet8us& a, const Packet8us& b) { return reinterpret_cast<Packet8us>(vec_cmple(a,b)); }
882template<> EIGEN_STRONG_INLINE Packet8us pcmp_lt(const Packet8us& a, const Packet8us& b) { return reinterpret_cast<Packet8us>(vec_cmplt(a,b)); }
883template<> EIGEN_STRONG_INLINE Packet8us pcmp_eq(const Packet8us& a, const Packet8us& b) { return reinterpret_cast<Packet8us>(vec_cmpeq(a,b)); }
884template<> EIGEN_STRONG_INLINE Packet16c pcmp_le(const Packet16c& a, const Packet16c& b) { return reinterpret_cast<Packet16c>(vec_cmple(a,b)); }
885template<> EIGEN_STRONG_INLINE Packet16c pcmp_lt(const Packet16c& a, const Packet16c& b) { return reinterpret_cast<Packet16c>(vec_cmplt(a,b)); }
886template<> EIGEN_STRONG_INLINE Packet16c pcmp_eq(const Packet16c& a, const Packet16c& b) { return reinterpret_cast<Packet16c>(vec_cmpeq(a,b)); }
887template<> EIGEN_STRONG_INLINE Packet16uc pcmp_le(const Packet16uc& a, const Packet16uc& b) { return reinterpret_cast<Packet16uc>(vec_cmple(a,b)); }
888template<> EIGEN_STRONG_INLINE Packet16uc pcmp_lt(const Packet16uc& a, const Packet16uc& b) { return reinterpret_cast<Packet16uc>(vec_cmplt(a,b)); }
889template<> EIGEN_STRONG_INLINE Packet16uc pcmp_eq(const Packet16uc& a, const Packet16uc& b) { return reinterpret_cast<Packet16uc>(vec_cmpeq(a,b)); }
890
891template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_and(a, b); }
892template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_and(a, b); }
893template<> EIGEN_STRONG_INLINE Packet4ui pand<Packet4ui>(const Packet4ui& a, const Packet4ui& b) { return vec_and(a, b); }
894template<> EIGEN_STRONG_INLINE Packet8us pand<Packet8us>(const Packet8us& a, const Packet8us& b) { return vec_and(a, b); }
895template<> EIGEN_STRONG_INLINE Packet8bf pand<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
896 return pand<Packet8us>(a, b);
897}
898
899
900template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_or(a, b); }
901template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_or(a, b); }
902template<> EIGEN_STRONG_INLINE Packet8s por<Packet8s>(const Packet8s& a, const Packet8s& b) { return vec_or(a, b); }
903template<> EIGEN_STRONG_INLINE Packet8us por<Packet8us>(const Packet8us& a, const Packet8us& b) { return vec_or(a, b); }
904template<> EIGEN_STRONG_INLINE Packet8bf por<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
905 return por<Packet8us>(a, b);
906}
907
908template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_xor(a, b); }
909template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_xor(a, b); }
910template<> EIGEN_STRONG_INLINE Packet8bf pxor<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
911 return pxor<Packet8us>(a, b);
912}
913
914template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b) { return vec_andc(a, b); }
915template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return vec_andc(a, b); }
916
917template<> EIGEN_STRONG_INLINE Packet4f pselect(const Packet4f& mask, const Packet4f& a, const Packet4f& b) {
918 return vec_sel(b, a, reinterpret_cast<Packet4ui>(mask));
919}
920
921template<> EIGEN_STRONG_INLINE Packet4f pround<Packet4f>(const Packet4f& a)
922{
923 Packet4f t = vec_add(reinterpret_cast<Packet4f>(vec_or(vec_and(reinterpret_cast<Packet4ui>(a), p4ui_SIGN), p4ui_PREV0DOT5)), a);
924 Packet4f res;
925
926#ifdef __VSX__
927 __asm__("xvrspiz %x0, %x1\n\t"
928 : "=&wa" (res)
929 : "wa" (t));
930#else
931 __asm__("vrfiz %0, %1\n\t"
932 : "=v" (res)
933 : "v" (t));
934#endif
935
936 return res;
937}
938template<> EIGEN_STRONG_INLINE Packet4f pceil<Packet4f>(const Packet4f& a) { return vec_ceil(a); }
939template<> EIGEN_STRONG_INLINE Packet4f pfloor<Packet4f>(const Packet4f& a) { return vec_floor(a); }
940template<> EIGEN_STRONG_INLINE Packet4f print<Packet4f>(const Packet4f& a)
941{
942 Packet4f res;
943
944 __asm__("xvrspic %x0, %x1\n\t"
945 : "=&wa" (res)
946 : "wa" (a));
947
948 return res;
949}
950
951template<typename Packet> EIGEN_STRONG_INLINE Packet ploadu_common(const __UNPACK_TYPE__(Packet)* from)
952{
953 EIGEN_DEBUG_ALIGNED_LOAD
954#ifdef _BIG_ENDIAN
955 Packet16uc MSQ, LSQ;
956 Packet16uc mask;
957 MSQ = vec_ld(0, (unsigned char *)from); // most significant quadword
958 LSQ = vec_ld(15, (unsigned char *)from); // least significant quadword
959 mask = vec_lvsl(0, from); // create the permute mask
960 //TODO: Add static_cast here
961 return (Packet) vec_perm(MSQ, LSQ, mask); // align the data
962#else
963 EIGEN_DEBUG_UNALIGNED_LOAD
964 return vec_xl(0, const_cast<__UNPACK_TYPE__(Packet)*>(from));
965#endif
966}
967
968template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
969{
970 return ploadu_common<Packet4f>(from);
971}
972template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
973{
974 return ploadu_common<Packet4i>(from);
975}
976template<> EIGEN_STRONG_INLINE Packet8s ploadu<Packet8s>(const short int* from)
977{
978 return ploadu_common<Packet8s>(from);
979}
980template<> EIGEN_STRONG_INLINE Packet8us ploadu<Packet8us>(const unsigned short int* from)
981{
982 return ploadu_common<Packet8us>(from);
983}
984template<> EIGEN_STRONG_INLINE Packet8bf ploadu<Packet8bf>(const bfloat16* from)
985{
986 return ploadu_common<Packet8us>(reinterpret_cast<const unsigned short int*>(from));
987}
988template<> EIGEN_STRONG_INLINE Packet16c ploadu<Packet16c>(const signed char* from)
989{
990 return ploadu_common<Packet16c>(from);
991}
992template<> EIGEN_STRONG_INLINE Packet16uc ploadu<Packet16uc>(const unsigned char* from)
993{
994 return ploadu_common<Packet16uc>(from);
995}
996
997template<typename Packet> EIGEN_STRONG_INLINE Packet ploaddup_common(const __UNPACK_TYPE__(Packet)* from)
998{
999 Packet p;
1000 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet>(from);
1001 else p = ploadu<Packet>(from);
1002 return vec_perm(p, p, p16uc_DUPLICATE32_HI);
1003}
1004template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(const float* from)
1005{
1006 return ploaddup_common<Packet4f>(from);
1007}
1008template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from)
1009{
1010 return ploaddup_common<Packet4i>(from);
1011}
1012
1013template<> EIGEN_STRONG_INLINE Packet8s ploaddup<Packet8s>(const short int* from)
1014{
1015 Packet8s p;
1016 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet8s>(from);
1017 else p = ploadu<Packet8s>(from);
1018 return vec_perm(p, p, p16uc_DUPLICATE16_HI);
1019}
1020
1021template<> EIGEN_STRONG_INLINE Packet8us ploaddup<Packet8us>(const unsigned short int* from)
1022{
1023 Packet8us p;
1024 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet8us>(from);
1025 else p = ploadu<Packet8us>(from);
1026 return vec_perm(p, p, p16uc_DUPLICATE16_HI);
1027}
1028
1029template<> EIGEN_STRONG_INLINE Packet8s ploadquad<Packet8s>(const short int* from)
1030{
1031 Packet8s p;
1032 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet8s>(from);
1033 else p = ploadu<Packet8s>(from);
1034 return vec_perm(p, p, p16uc_QUADRUPLICATE16_HI);
1035}
1036
1037template<> EIGEN_STRONG_INLINE Packet8us ploadquad<Packet8us>(const unsigned short int* from)
1038{
1039 Packet8us p;
1040 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet8us>(from);
1041 else p = ploadu<Packet8us>(from);
1042 return vec_perm(p, p, p16uc_QUADRUPLICATE16_HI);
1043}
1044
1045template<> EIGEN_STRONG_INLINE Packet8bf ploadquad<Packet8bf>(const bfloat16* from)
1046{
1047 return ploadquad<Packet8us>(reinterpret_cast<const unsigned short int*>(from));
1048}
1049
1050template<> EIGEN_STRONG_INLINE Packet16c ploaddup<Packet16c>(const signed char* from)
1051{
1052 Packet16c p;
1053 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet16c>(from);
1054 else p = ploadu<Packet16c>(from);
1055 return vec_perm(p, p, p16uc_DUPLICATE8_HI);
1056}
1057
1058template<> EIGEN_STRONG_INLINE Packet16uc ploaddup<Packet16uc>(const unsigned char* from)
1059{
1060 Packet16uc p;
1061 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet16uc>(from);
1062 else p = ploadu<Packet16uc>(from);
1063 return vec_perm(p, p, p16uc_DUPLICATE8_HI);
1064}
1065
1066template<typename Packet> EIGEN_STRONG_INLINE void pstoreu_common(__UNPACK_TYPE__(Packet)* to, const Packet& from)
1067{
1068 EIGEN_DEBUG_UNALIGNED_STORE
1069#ifdef _BIG_ENDIAN
1070 // Taken from http://developer.apple.com/hardwaredrivers/ve/alignment.html
1071 // Warning: not thread safe!
1072 Packet16uc MSQ, LSQ, edges;
1073 Packet16uc edgeAlign, align;
1074
1075 MSQ = vec_ld(0, (unsigned char *)to); // most significant quadword
1076 LSQ = vec_ld(15, (unsigned char *)to); // least significant quadword
1077 edgeAlign = vec_lvsl(0, to); // permute map to extract edges
1078 edges=vec_perm(LSQ,MSQ,edgeAlign); // extract the edges
1079 align = vec_lvsr( 0, to ); // permute map to misalign data
1080 MSQ = vec_perm(edges,(Packet16uc)from,align); // misalign the data (MSQ)
1081 LSQ = vec_perm((Packet16uc)from,edges,align); // misalign the data (LSQ)
1082 vec_st( LSQ, 15, (unsigned char *)to ); // Store the LSQ part first
1083 vec_st( MSQ, 0, (unsigned char *)to ); // Store the MSQ part second
1084#else
1085 vec_xst(from, 0, to);
1086#endif
1087}
1088template<> EIGEN_STRONG_INLINE void pstoreu<float>(float* to, const Packet4f& from)
1089{
1090 pstoreu_common<Packet4f>(to, from);
1091}
1092template<> EIGEN_STRONG_INLINE void pstoreu<int>(int* to, const Packet4i& from)
1093{
1094 pstoreu_common<Packet4i>(to, from);
1095}
1096template<> EIGEN_STRONG_INLINE void pstoreu<short int>(short int* to, const Packet8s& from)
1097{
1098 pstoreu_common<Packet8s>(to, from);
1099}
1100template<> EIGEN_STRONG_INLINE void pstoreu<unsigned short int>(unsigned short int* to, const Packet8us& from)
1101{
1102 pstoreu_common<Packet8us>(to, from);
1103}
1104template<> EIGEN_STRONG_INLINE void pstoreu<bfloat16>(bfloat16* to, const Packet8bf& from)
1105{
1106 pstoreu_common<Packet8us>(reinterpret_cast<unsigned short int*>(to), from);
1107}
1108template<> EIGEN_STRONG_INLINE void pstoreu<signed char>(signed char* to, const Packet16c& from)
1109{
1110 pstoreu_common<Packet16c>(to, from);
1111}
1112template<> EIGEN_STRONG_INLINE void pstoreu<unsigned char>(unsigned char* to, const Packet16uc& from)
1113{
1114 pstoreu_common<Packet16uc>(to, from);
1115}
1116
1117template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { EIGEN_PPC_PREFETCH(addr); }
1118template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { EIGEN_PPC_PREFETCH(addr); }
1119
1120template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { EIGEN_ALIGN16 float x; vec_ste(a, 0, &x); return x; }
1121template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { EIGEN_ALIGN16 int x; vec_ste(a, 0, &x); return x; }
1122
1123template<typename Packet> EIGEN_STRONG_INLINE __UNPACK_TYPE__(Packet) pfirst_common(const Packet& a) {
1124 EIGEN_ALIGN16 __UNPACK_TYPE__(Packet) x;
1125 vec_ste(a, 0, &x);
1126 return x;
1127}
1128
1129template<> EIGEN_STRONG_INLINE short int pfirst<Packet8s>(const Packet8s& a) {
1130 return pfirst_common<Packet8s>(a);
1131}
1132
1133template<> EIGEN_STRONG_INLINE unsigned short int pfirst<Packet8us>(const Packet8us& a) {
1134 return pfirst_common<Packet8us>(a);
1135}
1136
1137template<> EIGEN_STRONG_INLINE signed char pfirst<Packet16c>(const Packet16c& a)
1138{
1139 return pfirst_common<Packet16c>(a);
1140}
1141
1142template<> EIGEN_STRONG_INLINE unsigned char pfirst<Packet16uc>(const Packet16uc& a)
1143{
1144 return pfirst_common<Packet16uc>(a);
1145}
1146
1147template<> EIGEN_STRONG_INLINE Packet4f preverse(const Packet4f& a)
1148{
1149 return reinterpret_cast<Packet4f>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32));
1150}
1151template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a)
1152{
1153 return reinterpret_cast<Packet4i>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE32));
1154}
1155template<> EIGEN_STRONG_INLINE Packet8s preverse(const Packet8s& a)
1156{
1157 return reinterpret_cast<Packet8s>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE16));
1158}
1159template<> EIGEN_STRONG_INLINE Packet8us preverse(const Packet8us& a)
1160{
1161 return reinterpret_cast<Packet8us>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE16));
1162}
1163template<> EIGEN_STRONG_INLINE Packet16c preverse(const Packet16c& a)
1164{
1165 return vec_perm(a, a, p16uc_REVERSE8);
1166}
1167template<> EIGEN_STRONG_INLINE Packet16uc preverse(const Packet16uc& a)
1168{
1169 return vec_perm(a, a, p16uc_REVERSE8);
1170}
1171template<> EIGEN_STRONG_INLINE Packet8bf preverse(const Packet8bf& a)
1172{
1173 return preverse<Packet8us>(a);
1174}
1175
1176template<> EIGEN_STRONG_INLINE Packet4f pabs(const Packet4f& a) { return vec_abs(a); }
1177template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a) { return vec_abs(a); }
1178template<> EIGEN_STRONG_INLINE Packet8s pabs(const Packet8s& a) { return vec_abs(a); }
1179template<> EIGEN_STRONG_INLINE Packet8us pabs(const Packet8us& a) { return a; }
1180template<> EIGEN_STRONG_INLINE Packet16c pabs(const Packet16c& a) { return vec_abs(a); }
1181template<> EIGEN_STRONG_INLINE Packet16uc pabs(const Packet16uc& a) { return a; }
1182template<> EIGEN_STRONG_INLINE Packet8bf pabs(const Packet8bf& a) {
1183 _EIGEN_DECLARE_CONST_FAST_Packet8us(abs_mask,0x7FFF);
1184 return pand<Packet8us>(p8us_abs_mask, a);
1185}
1186
1187template<int N> EIGEN_STRONG_INLINE Packet4i parithmetic_shift_right(const Packet4i& a)
1188{ return vec_sra(a,reinterpret_cast<Packet4ui>(pset1<Packet4i>(N))); }
1189template<int N> EIGEN_STRONG_INLINE Packet4i plogical_shift_right(const Packet4i& a)
1190{ return vec_sr(a,reinterpret_cast<Packet4ui>(pset1<Packet4i>(N))); }
1191template<int N> EIGEN_STRONG_INLINE Packet4i plogical_shift_left(const Packet4i& a)
1192{ return vec_sl(a,reinterpret_cast<Packet4ui>(pset1<Packet4i>(N))); }
1193template<int N> EIGEN_STRONG_INLINE Packet4f plogical_shift_left(const Packet4f& a)
1194{
1195 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(mask, N);
1196 Packet4ui r = vec_sl(reinterpret_cast<Packet4ui>(a), p4ui_mask);
1197 return reinterpret_cast<Packet4f>(r);
1198}
1199
1200template<int N> EIGEN_STRONG_INLINE Packet4f plogical_shift_right(const Packet4f& a)
1201{
1202 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(mask, N);
1203 Packet4ui r = vec_sr(reinterpret_cast<Packet4ui>(a), p4ui_mask);
1204 return reinterpret_cast<Packet4f>(r);
1205}
1206
1207template<int N> EIGEN_STRONG_INLINE Packet4ui plogical_shift_right(const Packet4ui& a)
1208{
1209 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(mask, N);
1210 return vec_sr(a, p4ui_mask);
1211}
1212
1213template<int N> EIGEN_STRONG_INLINE Packet4ui plogical_shift_left(const Packet4ui& a)
1214{
1215 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(mask, N);
1216 return vec_sl(a, p4ui_mask);
1217}
1218
1219template<int N> EIGEN_STRONG_INLINE Packet8us plogical_shift_left(const Packet8us& a)
1220{
1221 const _EIGEN_DECLARE_CONST_FAST_Packet8us(mask, N);
1222 return vec_sl(a, p8us_mask);
1223}
1224template<int N> EIGEN_STRONG_INLINE Packet8us plogical_shift_right(const Packet8us& a)
1225{
1226 const _EIGEN_DECLARE_CONST_FAST_Packet8us(mask, N);
1227 return vec_sr(a, p8us_mask);
1228}
1229
1230EIGEN_STRONG_INLINE Packet4f Bf16ToF32Even(const Packet8bf& bf){
1231 return plogical_shift_left<16>(reinterpret_cast<Packet4f>(bf.m_val));
1232}
1233
1234EIGEN_STRONG_INLINE Packet4f Bf16ToF32Odd(const Packet8bf& bf){
1235 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(high_mask, 0xFFFF0000);
1236 return pand<Packet4f>(
1237 reinterpret_cast<Packet4f>(bf.m_val),
1238 reinterpret_cast<Packet4f>(p4ui_high_mask)
1239 );
1240}
1241
1242// Simple interleaving of bool masks, prevents true values from being
1243// converted to NaNs.
1244EIGEN_STRONG_INLINE Packet8bf F32ToBf16Bool(Packet4f even, Packet4f odd) {
1245 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(high_mask, 0xFFFF0000);
1246 Packet4f bf_odd, bf_even;
1247 bf_odd = pand(reinterpret_cast<Packet4f>(p4ui_high_mask), odd);
1248 bf_even = plogical_shift_right<16>(even);
1249 return reinterpret_cast<Packet8us>(por<Packet4f>(bf_even, bf_odd));
1250}
1251
1252EIGEN_STRONG_INLINE Packet8bf F32ToBf16(Packet4f p4f){
1253 Packet4ui input = reinterpret_cast<Packet4ui>(p4f);
1254 Packet4ui lsb = plogical_shift_right<16>(input);
1255 lsb = pand<Packet4ui>(lsb, reinterpret_cast<Packet4ui>(p4i_ONE));
1256
1257 _EIGEN_DECLARE_CONST_FAST_Packet4ui(BIAS,0x7FFFu);
1258 Packet4ui rounding_bias = padd<Packet4ui>(lsb, p4ui_BIAS);
1259 input = padd<Packet4ui>(input, rounding_bias);
1260
1261 //Test NaN and Subnormal - Begin
1262 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(exp_mask, 0x7F800000);
1263 Packet4ui exp = pand<Packet4ui>(p4ui_exp_mask, reinterpret_cast<Packet4ui>(p4f));
1264
1265 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(mantissa_mask, 0x7FFFFF);
1266 Packet4ui mantissa = pand<Packet4ui>(p4ui_mantissa_mask, reinterpret_cast<Packet4ui>(p4f));
1267
1268 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(max_exp, 0x7F800000);
1269 Packet4bi is_max_exp = vec_cmpeq(exp, p4ui_max_exp);
1270 Packet4bi is_zero_exp = vec_cmpeq(exp, reinterpret_cast<Packet4ui>(p4i_ZERO));
1271
1272 Packet4bi is_mant_zero = vec_cmpeq(mantissa, reinterpret_cast<Packet4ui>(p4i_ZERO));
1273 Packet4ui nan_selector = pandnot<Packet4ui>(
1274 reinterpret_cast<Packet4ui>(is_max_exp),
1275 reinterpret_cast<Packet4ui>(is_mant_zero)
1276 );
1277
1278 Packet4ui subnormal_selector = pandnot<Packet4ui>(
1279 reinterpret_cast<Packet4ui>(is_zero_exp),
1280 reinterpret_cast<Packet4ui>(is_mant_zero)
1281 );
1282
1283 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(nan, 0x7FC00000);
1284 input = vec_sel(input, p4ui_nan, nan_selector);
1285 input = vec_sel(input, reinterpret_cast<Packet4ui>(p4f), subnormal_selector);
1286 //Test NaN and Subnormal - End
1287
1288 input = plogical_shift_right<16>(input);
1289 return reinterpret_cast<Packet8us>(input);
1290}
1291
1292EIGEN_STRONG_INLINE Packet8bf F32ToBf16(Packet4f even, Packet4f odd){
1293 Packet4f bf_odd, bf_even;
1294 bf_odd = reinterpret_cast<Packet4f>(F32ToBf16(odd).m_val);
1295 bf_odd = plogical_shift_left<16>(bf_odd);
1296 bf_even = reinterpret_cast<Packet4f>(F32ToBf16(even).m_val);
1297 return reinterpret_cast<Packet8us>(por<Packet4f>(bf_even, bf_odd));
1298}
1299#define BF16_TO_F32_UNARY_OP_WRAPPER(OP, A) \
1300 Packet4f a_even = Bf16ToF32Even(A);\
1301 Packet4f a_odd = Bf16ToF32Odd(A);\
1302 Packet4f op_even = OP(a_even);\
1303 Packet4f op_odd = OP(a_odd);\
1304 return F32ToBf16(op_even, op_odd);\
1305
1306#define BF16_TO_F32_BINARY_OP_WRAPPER(OP, A, B) \
1307 Packet4f a_even = Bf16ToF32Even(A);\
1308 Packet4f a_odd = Bf16ToF32Odd(A);\
1309 Packet4f b_even = Bf16ToF32Even(B);\
1310 Packet4f b_odd = Bf16ToF32Odd(B);\
1311 Packet4f op_even = OP(a_even, b_even);\
1312 Packet4f op_odd = OP(a_odd, b_odd);\
1313 return F32ToBf16(op_even, op_odd);\
1314
1315#define BF16_TO_F32_BINARY_OP_WRAPPER_BOOL(OP, A, B) \
1316 Packet4f a_even = Bf16ToF32Even(A);\
1317 Packet4f a_odd = Bf16ToF32Odd(A);\
1318 Packet4f b_even = Bf16ToF32Even(B);\
1319 Packet4f b_odd = Bf16ToF32Odd(B);\
1320 Packet4f op_even = OP(a_even, b_even);\
1321 Packet4f op_odd = OP(a_odd, b_odd);\
1322 return F32ToBf16Bool(op_even, op_odd);\
1323
1324template<> EIGEN_STRONG_INLINE Packet8bf padd<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1325 BF16_TO_F32_BINARY_OP_WRAPPER(padd<Packet4f>, a, b);
1326}
1327
1328template<> EIGEN_STRONG_INLINE Packet8bf pmul<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1329 BF16_TO_F32_BINARY_OP_WRAPPER(pmul<Packet4f>, a, b);
1330}
1331
1332template<> EIGEN_STRONG_INLINE Packet8bf pdiv<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1333 BF16_TO_F32_BINARY_OP_WRAPPER(pdiv<Packet4f>, a, b);
1334}
1335
1336template<> EIGEN_STRONG_INLINE Packet8bf pnegate<Packet8bf>(const Packet8bf& a) {
1337 BF16_TO_F32_UNARY_OP_WRAPPER(pnegate<Packet4f>, a);
1338}
1339
1340template<> EIGEN_STRONG_INLINE Packet8bf psub<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1341 BF16_TO_F32_BINARY_OP_WRAPPER(psub<Packet4f>, a, b);
1342}
1343
1344template<> EIGEN_STRONG_INLINE Packet8bf psqrt<Packet8bf> (const Packet8bf& a){
1345 BF16_TO_F32_UNARY_OP_WRAPPER(vec_sqrt, a);
1346}
1347template<> EIGEN_STRONG_INLINE Packet8bf prsqrt<Packet8bf> (const Packet8bf& a){
1348 BF16_TO_F32_UNARY_OP_WRAPPER(prsqrt<Packet4f>, a);
1349}
1350template<> EIGEN_STRONG_INLINE Packet8bf pexp<Packet8bf> (const Packet8bf& a){
1351 BF16_TO_F32_UNARY_OP_WRAPPER(pexp_float, a);
1352}
1353
1354template<> EIGEN_STRONG_INLINE Packet4f pldexp<Packet4f>(const Packet4f& a, const Packet4f& exponent) {
1355 return pldexp_generic(a,exponent);
1356}
1357template<> EIGEN_STRONG_INLINE Packet8bf pldexp<Packet8bf> (const Packet8bf& a, const Packet8bf& exponent){
1358 BF16_TO_F32_BINARY_OP_WRAPPER(pldexp<Packet4f>, a, exponent);
1359}
1360
1361template<> EIGEN_STRONG_INLINE Packet4f pfrexp<Packet4f>(const Packet4f& a, Packet4f& exponent) {
1362 return pfrexp_generic(a,exponent);
1363}
1364template<> EIGEN_STRONG_INLINE Packet8bf pfrexp<Packet8bf> (const Packet8bf& a, Packet8bf& e){
1365 Packet4f a_even = Bf16ToF32Even(a);
1366 Packet4f a_odd = Bf16ToF32Odd(a);
1367 Packet4f e_even;
1368 Packet4f e_odd;
1369 Packet4f op_even = pfrexp<Packet4f>(a_even, e_even);
1370 Packet4f op_odd = pfrexp<Packet4f>(a_odd, e_odd);
1371 e = F32ToBf16(e_even, e_odd);
1372 return F32ToBf16(op_even, op_odd);
1373}
1374
1375template<> EIGEN_STRONG_INLINE Packet8bf psin<Packet8bf> (const Packet8bf& a){
1376 BF16_TO_F32_UNARY_OP_WRAPPER(psin_float, a);
1377}
1378template<> EIGEN_STRONG_INLINE Packet8bf pcos<Packet8bf> (const Packet8bf& a){
1379 BF16_TO_F32_UNARY_OP_WRAPPER(pcos_float, a);
1380}
1381template<> EIGEN_STRONG_INLINE Packet8bf plog<Packet8bf> (const Packet8bf& a){
1382 BF16_TO_F32_UNARY_OP_WRAPPER(plog_float, a);
1383}
1384template<> EIGEN_STRONG_INLINE Packet8bf pfloor<Packet8bf> (const Packet8bf& a){
1385 BF16_TO_F32_UNARY_OP_WRAPPER(pfloor<Packet4f>, a);
1386}
1387template<> EIGEN_STRONG_INLINE Packet8bf pceil<Packet8bf> (const Packet8bf& a){
1388 BF16_TO_F32_UNARY_OP_WRAPPER(pceil<Packet4f>, a);
1389}
1390template<> EIGEN_STRONG_INLINE Packet8bf pround<Packet8bf> (const Packet8bf& a){
1391 BF16_TO_F32_UNARY_OP_WRAPPER(pround<Packet4f>, a);
1392}
1393template<> EIGEN_STRONG_INLINE Packet8bf print<Packet8bf> (const Packet8bf& a){
1394 BF16_TO_F32_UNARY_OP_WRAPPER(print<Packet4f>, a);
1395}
1396template<> EIGEN_STRONG_INLINE Packet8bf pmadd(const Packet8bf& a, const Packet8bf& b, const Packet8bf& c) {
1397 Packet4f a_even = Bf16ToF32Even(a);
1398 Packet4f a_odd = Bf16ToF32Odd(a);
1399 Packet4f b_even = Bf16ToF32Even(b);
1400 Packet4f b_odd = Bf16ToF32Odd(b);
1401 Packet4f c_even = Bf16ToF32Even(c);
1402 Packet4f c_odd = Bf16ToF32Odd(c);
1403 Packet4f pmadd_even = pmadd<Packet4f>(a_even, b_even, c_even);
1404 Packet4f pmadd_odd = pmadd<Packet4f>(a_odd, b_odd, c_odd);
1405 return F32ToBf16(pmadd_even, pmadd_odd);
1406}
1407
1408template<> EIGEN_STRONG_INLINE Packet8bf pmin<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1409 BF16_TO_F32_BINARY_OP_WRAPPER(pmin<Packet4f>, a, b);
1410}
1411
1412template<> EIGEN_STRONG_INLINE Packet8bf pmax<Packet8bf>(const Packet8bf& a, const Packet8bf& b) {
1413 BF16_TO_F32_BINARY_OP_WRAPPER(pmax<Packet4f>, a, b);
1414}
1415
1416template<> EIGEN_STRONG_INLINE Packet8bf pcmp_lt(const Packet8bf& a, const Packet8bf& b) {
1417 BF16_TO_F32_BINARY_OP_WRAPPER_BOOL(pcmp_lt<Packet4f>, a, b);
1418}
1419template<> EIGEN_STRONG_INLINE Packet8bf pcmp_lt_or_nan(const Packet8bf& a, const Packet8bf& b) {
1420 BF16_TO_F32_BINARY_OP_WRAPPER_BOOL(pcmp_lt_or_nan<Packet4f>, a, b);
1421}
1422template<> EIGEN_STRONG_INLINE Packet8bf pcmp_le(const Packet8bf& a, const Packet8bf& b) {
1423 BF16_TO_F32_BINARY_OP_WRAPPER_BOOL(pcmp_le<Packet4f>, a, b);
1424}
1425template<> EIGEN_STRONG_INLINE Packet8bf pcmp_eq(const Packet8bf& a, const Packet8bf& b) {
1426 BF16_TO_F32_BINARY_OP_WRAPPER_BOOL(pcmp_eq<Packet4f>, a, b);
1427}
1428
1429template<> EIGEN_STRONG_INLINE bfloat16 pfirst(const Packet8bf& a) {
1430 return Eigen::bfloat16_impl::raw_uint16_to_bfloat16((pfirst<Packet8us>(a)));
1431}
1432
1433template<> EIGEN_STRONG_INLINE Packet8bf ploaddup<Packet8bf>(const bfloat16* from)
1434{
1435 return ploaddup<Packet8us>(reinterpret_cast<const unsigned short int*>(from));
1436}
1437
1438template<> EIGEN_STRONG_INLINE Packet8bf plset<Packet8bf>(const bfloat16& a) {
1439 bfloat16 countdown[8] = { bfloat16(0), bfloat16(1), bfloat16(2), bfloat16(3),
1440 bfloat16(4), bfloat16(5), bfloat16(6), bfloat16(7) };
1441 return padd<Packet8bf>(pset1<Packet8bf>(a), pload<Packet8bf>(countdown));
1442}
1443
1444template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
1445{
1446 Packet4f b, sum;
1447 b = vec_sld(a, a, 8);
1448 sum = a + b;
1449 b = vec_sld(sum, sum, 4);
1450 sum += b;
1451 return pfirst(sum);
1452}
1453
1454template<> EIGEN_STRONG_INLINE int predux<Packet4i>(const Packet4i& a)
1455{
1456 Packet4i sum;
1457 sum = vec_sums(a, p4i_ZERO);
1458#ifdef _BIG_ENDIAN
1459 sum = vec_sld(sum, p4i_ZERO, 12);
1460#else
1461 sum = vec_sld(p4i_ZERO, sum, 4);
1462#endif
1463 return pfirst(sum);
1464}
1465
1466template<> EIGEN_STRONG_INLINE bfloat16 predux<Packet8bf>(const Packet8bf& a)
1467{
1468 float redux_even = predux<Packet4f>(Bf16ToF32Even(a));
1469 float redux_odd = predux<Packet4f>(Bf16ToF32Odd(a));
1470 float f32_result = redux_even + redux_odd;
1471 return bfloat16(f32_result);
1472}
1473template<typename Packet> EIGEN_STRONG_INLINE __UNPACK_TYPE__(Packet) predux_size8(const Packet& a)
1474{
1475 union{
1476 Packet v;
1477 __UNPACK_TYPE__(Packet) n[8];
1478 } vt;
1479 vt.v = a;
1480
1481 EIGEN_ALIGN16 int first_loader[4] = { vt.n[0], vt.n[1], vt.n[2], vt.n[3] };
1482 EIGEN_ALIGN16 int second_loader[4] = { vt.n[4], vt.n[5], vt.n[6], vt.n[7] };
1483 Packet4i first_half = pload<Packet4i>(first_loader);
1484 Packet4i second_half = pload<Packet4i>(second_loader);
1485
1486 return static_cast<__UNPACK_TYPE__(Packet)>(predux(first_half) + predux(second_half));
1487}
1488
1489template<> EIGEN_STRONG_INLINE short int predux<Packet8s>(const Packet8s& a)
1490{
1491 return predux_size8<Packet8s>(a);
1492}
1493
1494template<> EIGEN_STRONG_INLINE unsigned short int predux<Packet8us>(const Packet8us& a)
1495{
1496 return predux_size8<Packet8us>(a);
1497}
1498
1499template<typename Packet> EIGEN_STRONG_INLINE __UNPACK_TYPE__(Packet) predux_size16(const Packet& a)
1500{
1501 union{
1502 Packet v;
1503 __UNPACK_TYPE__(Packet) n[16];
1504 } vt;
1505 vt.v = a;
1506
1507 EIGEN_ALIGN16 int first_loader[4] = { vt.n[0], vt.n[1], vt.n[2], vt.n[3] };
1508 EIGEN_ALIGN16 int second_loader[4] = { vt.n[4], vt.n[5], vt.n[6], vt.n[7] };
1509 EIGEN_ALIGN16 int third_loader[4] = { vt.n[8], vt.n[9], vt.n[10], vt.n[11] };
1510 EIGEN_ALIGN16 int fourth_loader[4] = { vt.n[12], vt.n[13], vt.n[14], vt.n[15] };
1511
1512 Packet4i first_quarter = pload<Packet4i>(first_loader);
1513 Packet4i second_quarter = pload<Packet4i>(second_loader);
1514 Packet4i third_quarter = pload<Packet4i>(third_loader);
1515 Packet4i fourth_quarter = pload<Packet4i>(fourth_loader);
1516
1517 return static_cast<__UNPACK_TYPE__(Packet)>(predux(first_quarter) + predux(second_quarter)
1518 + predux(third_quarter) + predux(fourth_quarter));
1519}
1520
1521template<> EIGEN_STRONG_INLINE signed char predux<Packet16c>(const Packet16c& a)
1522{
1523 return predux_size16<Packet16c>(a);
1524}
1525
1526template<> EIGEN_STRONG_INLINE unsigned char predux<Packet16uc>(const Packet16uc& a)
1527{
1528 return predux_size16<Packet16uc>(a);
1529}
1530
1531// Other reduction functions:
1532// mul
1533template<> EIGEN_STRONG_INLINE float predux_mul<Packet4f>(const Packet4f& a)
1534{
1535 Packet4f prod;
1536 prod = pmul(a, vec_sld(a, a, 8));
1537 return pfirst(pmul(prod, vec_sld(prod, prod, 4)));
1538}
1539
1540template<> EIGEN_STRONG_INLINE int predux_mul<Packet4i>(const Packet4i& a)
1541{
1542 EIGEN_ALIGN16 int aux[4];
1543 pstore(aux, a);
1544 return aux[0] * aux[1] * aux[2] * aux[3];
1545}
1546
1547template<> EIGEN_STRONG_INLINE short int predux_mul<Packet8s>(const Packet8s& a)
1548{
1549 Packet8s pair, quad, octo;
1550
1551 pair = vec_mul(a, vec_sld(a, a, 8));
1552 quad = vec_mul(pair, vec_sld(pair, pair, 4));
1553 octo = vec_mul(quad, vec_sld(quad, quad, 2));
1554
1555 return pfirst(octo);
1556}
1557
1558template<> EIGEN_STRONG_INLINE unsigned short int predux_mul<Packet8us>(const Packet8us& a)
1559{
1560 Packet8us pair, quad, octo;
1561
1562 pair = vec_mul(a, vec_sld(a, a, 8));
1563 quad = vec_mul(pair, vec_sld(pair, pair, 4));
1564 octo = vec_mul(quad, vec_sld(quad, quad, 2));
1565
1566 return pfirst(octo);
1567}
1568
1569template<> EIGEN_STRONG_INLINE bfloat16 predux_mul<Packet8bf>(const Packet8bf& a)
1570{
1571 float redux_even = predux_mul<Packet4f>(Bf16ToF32Even(a));
1572 float redux_odd = predux_mul<Packet4f>(Bf16ToF32Odd(a));
1573 float f32_result = redux_even * redux_odd;
1574 return bfloat16(f32_result);
1575}
1576
1577
1578template<> EIGEN_STRONG_INLINE signed char predux_mul<Packet16c>(const Packet16c& a)
1579{
1580 Packet16c pair, quad, octo, result;
1581
1582 pair = vec_mul(a, vec_sld(a, a, 8));
1583 quad = vec_mul(pair, vec_sld(pair, pair, 4));
1584 octo = vec_mul(quad, vec_sld(quad, quad, 2));
1585 result = vec_mul(octo, vec_sld(octo, octo, 1));
1586
1587 return pfirst(result);
1588}
1589
1590template<> EIGEN_STRONG_INLINE unsigned char predux_mul<Packet16uc>(const Packet16uc& a)
1591{
1592 Packet16uc pair, quad, octo, result;
1593
1594 pair = vec_mul(a, vec_sld(a, a, 8));
1595 quad = vec_mul(pair, vec_sld(pair, pair, 4));
1596 octo = vec_mul(quad, vec_sld(quad, quad, 2));
1597 result = vec_mul(octo, vec_sld(octo, octo, 1));
1598
1599 return pfirst(result);
1600}
1601
1602// min
1603template<typename Packet> EIGEN_STRONG_INLINE
1604__UNPACK_TYPE__(Packet) predux_min4(const Packet& a)
1605{
1606 Packet b, res;
1607 b = vec_min(a, vec_sld(a, a, 8));
1608 res = vec_min(b, vec_sld(b, b, 4));
1609 return pfirst(res);
1610}
1611
1612
1613template<> EIGEN_STRONG_INLINE float predux_min<Packet4f>(const Packet4f& a)
1614{
1615 return predux_min4<Packet4f>(a);
1616}
1617
1618template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a)
1619{
1620 return predux_min4<Packet4i>(a);
1621}
1622
1623template<> EIGEN_STRONG_INLINE bfloat16 predux_min<Packet8bf>(const Packet8bf& a)
1624{
1625 float redux_even = predux_min<Packet4f>(Bf16ToF32Even(a));
1626 float redux_odd = predux_min<Packet4f>(Bf16ToF32Odd(a));
1627 float f32_result = (std::min)(redux_even, redux_odd);
1628 return bfloat16(f32_result);
1629}
1630
1631template<> EIGEN_STRONG_INLINE short int predux_min<Packet8s>(const Packet8s& a)
1632{
1633 Packet8s pair, quad, octo;
1634
1635 //pair = { Min(a0,a4), Min(a1,a5), Min(a2,a6), Min(a3,a7) }
1636 pair = vec_min(a, vec_sld(a, a, 8));
1637
1638 //quad = { Min(a0, a4, a2, a6), Min(a1, a5, a3, a7) }
1639 quad = vec_min(pair, vec_sld(pair, pair, 4));
1640
1641 //octo = { Min(a0, a4, a2, a6, a1, a5, a3, a7) }
1642 octo = vec_min(quad, vec_sld(quad, quad, 2));
1643 return pfirst(octo);
1644}
1645
1646template<> EIGEN_STRONG_INLINE unsigned short int predux_min<Packet8us>(const Packet8us& a)
1647{
1648 Packet8us pair, quad, octo;
1649
1650 //pair = { Min(a0,a4), Min(a1,a5), Min(a2,a6), Min(a3,a7) }
1651 pair = vec_min(a, vec_sld(a, a, 8));
1652
1653 //quad = { Min(a0, a4, a2, a6), Min(a1, a5, a3, a7) }
1654 quad = vec_min(pair, vec_sld(pair, pair, 4));
1655
1656 //octo = { Min(a0, a4, a2, a6, a1, a5, a3, a7) }
1657 octo = vec_min(quad, vec_sld(quad, quad, 2));
1658 return pfirst(octo);
1659}
1660
1661template<> EIGEN_STRONG_INLINE signed char predux_min<Packet16c>(const Packet16c& a)
1662{
1663 Packet16c pair, quad, octo, result;
1664
1665 pair = vec_min(a, vec_sld(a, a, 8));
1666 quad = vec_min(pair, vec_sld(pair, pair, 4));
1667 octo = vec_min(quad, vec_sld(quad, quad, 2));
1668 result = vec_min(octo, vec_sld(octo, octo, 1));
1669
1670 return pfirst(result);
1671}
1672
1673template<> EIGEN_STRONG_INLINE unsigned char predux_min<Packet16uc>(const Packet16uc& a)
1674{
1675 Packet16uc pair, quad, octo, result;
1676
1677 pair = vec_min(a, vec_sld(a, a, 8));
1678 quad = vec_min(pair, vec_sld(pair, pair, 4));
1679 octo = vec_min(quad, vec_sld(quad, quad, 2));
1680 result = vec_min(octo, vec_sld(octo, octo, 1));
1681
1682 return pfirst(result);
1683}
1684// max
1685template<typename Packet> EIGEN_STRONG_INLINE __UNPACK_TYPE__(Packet) predux_max4(const Packet& a)
1686{
1687 Packet b, res;
1688 b = vec_max(a, vec_sld(a, a, 8));
1689 res = vec_max(b, vec_sld(b, b, 4));
1690 return pfirst(res);
1691}
1692
1693template<> EIGEN_STRONG_INLINE float predux_max<Packet4f>(const Packet4f& a)
1694{
1695 return predux_max4<Packet4f>(a);
1696}
1697
1698template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a)
1699{
1700 return predux_max4<Packet4i>(a);
1701}
1702
1703template<> EIGEN_STRONG_INLINE bfloat16 predux_max<Packet8bf>(const Packet8bf& a)
1704{
1705 float redux_even = predux_max<Packet4f>(Bf16ToF32Even(a));
1706 float redux_odd = predux_max<Packet4f>(Bf16ToF32Odd(a));
1707 float f32_result = (std::max)(redux_even, redux_odd);
1708 return bfloat16(f32_result);
1709}
1710
1711template<> EIGEN_STRONG_INLINE short int predux_max<Packet8s>(const Packet8s& a)
1712{
1713 Packet8s pair, quad, octo;
1714
1715 //pair = { Max(a0,a4), Max(a1,a5), Max(a2,a6), Max(a3,a7) }
1716 pair = vec_max(a, vec_sld(a, a, 8));
1717
1718 //quad = { Max(a0, a4, a2, a6), Max(a1, a5, a3, a7) }
1719 quad = vec_max(pair, vec_sld(pair, pair, 4));
1720
1721 //octo = { Max(a0, a4, a2, a6, a1, a5, a3, a7) }
1722 octo = vec_max(quad, vec_sld(quad, quad, 2));
1723 return pfirst(octo);
1724}
1725
1726template<> EIGEN_STRONG_INLINE unsigned short int predux_max<Packet8us>(const Packet8us& a)
1727{
1728 Packet8us pair, quad, octo;
1729
1730 //pair = { Max(a0,a4), Max(a1,a5), Max(a2,a6), Max(a3,a7) }
1731 pair = vec_max(a, vec_sld(a, a, 8));
1732
1733 //quad = { Max(a0, a4, a2, a6), Max(a1, a5, a3, a7) }
1734 quad = vec_max(pair, vec_sld(pair, pair, 4));
1735
1736 //octo = { Max(a0, a4, a2, a6, a1, a5, a3, a7) }
1737 octo = vec_max(quad, vec_sld(quad, quad, 2));
1738 return pfirst(octo);
1739}
1740
1741template<> EIGEN_STRONG_INLINE signed char predux_max<Packet16c>(const Packet16c& a)
1742{
1743 Packet16c pair, quad, octo, result;
1744
1745 pair = vec_max(a, vec_sld(a, a, 8));
1746 quad = vec_max(pair, vec_sld(pair, pair, 4));
1747 octo = vec_max(quad, vec_sld(quad, quad, 2));
1748 result = vec_max(octo, vec_sld(octo, octo, 1));
1749
1750 return pfirst(result);
1751}
1752
1753template<> EIGEN_STRONG_INLINE unsigned char predux_max<Packet16uc>(const Packet16uc& a)
1754{
1755 Packet16uc pair, quad, octo, result;
1756
1757 pair = vec_max(a, vec_sld(a, a, 8));
1758 quad = vec_max(pair, vec_sld(pair, pair, 4));
1759 octo = vec_max(quad, vec_sld(quad, quad, 2));
1760 result = vec_max(octo, vec_sld(octo, octo, 1));
1761
1762 return pfirst(result);
1763}
1764
1765template<> EIGEN_STRONG_INLINE bool predux_any(const Packet4f& x)
1766{
1767 return vec_any_ne(x, pzero(x));
1768}
1769
1770template <typename T> EIGEN_DEVICE_FUNC inline void
1771ptranpose_common(PacketBlock<T,4>& kernel){
1772 T t0, t1, t2, t3;
1773 t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
1774 t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
1775 t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
1776 t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
1777 kernel.packet[0] = vec_mergeh(t0, t2);
1778 kernel.packet[1] = vec_mergel(t0, t2);
1779 kernel.packet[2] = vec_mergeh(t1, t3);
1780 kernel.packet[3] = vec_mergel(t1, t3);
1781}
1782
1783EIGEN_DEVICE_FUNC inline void
1784ptranspose(PacketBlock<Packet4f,4>& kernel) {
1785 ptranpose_common<Packet4f>(kernel);
1786}
1787
1788EIGEN_DEVICE_FUNC inline void
1789ptranspose(PacketBlock<Packet4i,4>& kernel) {
1790 ptranpose_common<Packet4i>(kernel);
1791}
1792
1793EIGEN_DEVICE_FUNC inline void
1794ptranspose(PacketBlock<Packet8s,4>& kernel) {
1795 Packet8s t0, t1, t2, t3;
1796 t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
1797 t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
1798 t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
1799 t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
1800 kernel.packet[0] = vec_mergeh(t0, t2);
1801 kernel.packet[1] = vec_mergel(t0, t2);
1802 kernel.packet[2] = vec_mergeh(t1, t3);
1803 kernel.packet[3] = vec_mergel(t1, t3);
1804}
1805
1806EIGEN_DEVICE_FUNC inline void
1807ptranspose(PacketBlock<Packet8us,4>& kernel) {
1808 Packet8us t0, t1, t2, t3;
1809 t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
1810 t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
1811 t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
1812 t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
1813 kernel.packet[0] = vec_mergeh(t0, t2);
1814 kernel.packet[1] = vec_mergel(t0, t2);
1815 kernel.packet[2] = vec_mergeh(t1, t3);
1816 kernel.packet[3] = vec_mergel(t1, t3);
1817}
1818
1819
1820EIGEN_DEVICE_FUNC inline void
1821ptranspose(PacketBlock<Packet8bf,4>& kernel) {
1822 Packet8us t0, t1, t2, t3;
1823
1824 t0 = vec_mergeh(kernel.packet[0].m_val, kernel.packet[2].m_val);
1825 t1 = vec_mergel(kernel.packet[0].m_val, kernel.packet[2].m_val);
1826 t2 = vec_mergeh(kernel.packet[1].m_val, kernel.packet[3].m_val);
1827 t3 = vec_mergel(kernel.packet[1].m_val, kernel.packet[3].m_val);
1828 kernel.packet[0] = vec_mergeh(t0, t2);
1829 kernel.packet[1] = vec_mergel(t0, t2);
1830 kernel.packet[2] = vec_mergeh(t1, t3);
1831 kernel.packet[3] = vec_mergel(t1, t3);
1832}
1833
1834EIGEN_DEVICE_FUNC inline void
1835ptranspose(PacketBlock<Packet16c,4>& kernel) {
1836 Packet16c t0, t1, t2, t3;
1837 t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
1838 t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
1839 t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
1840 t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
1841 kernel.packet[0] = vec_mergeh(t0, t2);
1842 kernel.packet[1] = vec_mergel(t0, t2);
1843 kernel.packet[2] = vec_mergeh(t1, t3);
1844 kernel.packet[3] = vec_mergel(t1, t3);
1845}
1846
1847
1848EIGEN_DEVICE_FUNC inline void
1849ptranspose(PacketBlock<Packet16uc,4>& kernel) {
1850 Packet16uc t0, t1, t2, t3;
1851 t0 = vec_mergeh(kernel.packet[0], kernel.packet[2]);
1852 t1 = vec_mergel(kernel.packet[0], kernel.packet[2]);
1853 t2 = vec_mergeh(kernel.packet[1], kernel.packet[3]);
1854 t3 = vec_mergel(kernel.packet[1], kernel.packet[3]);
1855 kernel.packet[0] = vec_mergeh(t0, t2);
1856 kernel.packet[1] = vec_mergel(t0, t2);
1857 kernel.packet[2] = vec_mergeh(t1, t3);
1858 kernel.packet[3] = vec_mergel(t1, t3);
1859}
1860
1861EIGEN_DEVICE_FUNC inline void
1862ptranspose(PacketBlock<Packet8s,8>& kernel) {
1863 Packet8s v[8], sum[8];
1864
1865 v[0] = vec_mergeh(kernel.packet[0], kernel.packet[4]);
1866 v[1] = vec_mergel(kernel.packet[0], kernel.packet[4]);
1867 v[2] = vec_mergeh(kernel.packet[1], kernel.packet[5]);
1868 v[3] = vec_mergel(kernel.packet[1], kernel.packet[5]);
1869 v[4] = vec_mergeh(kernel.packet[2], kernel.packet[6]);
1870 v[5] = vec_mergel(kernel.packet[2], kernel.packet[6]);
1871 v[6] = vec_mergeh(kernel.packet[3], kernel.packet[7]);
1872 v[7] = vec_mergel(kernel.packet[3], kernel.packet[7]);
1873 sum[0] = vec_mergeh(v[0], v[4]);
1874 sum[1] = vec_mergel(v[0], v[4]);
1875 sum[2] = vec_mergeh(v[1], v[5]);
1876 sum[3] = vec_mergel(v[1], v[5]);
1877 sum[4] = vec_mergeh(v[2], v[6]);
1878 sum[5] = vec_mergel(v[2], v[6]);
1879 sum[6] = vec_mergeh(v[3], v[7]);
1880 sum[7] = vec_mergel(v[3], v[7]);
1881
1882 kernel.packet[0] = vec_mergeh(sum[0], sum[4]);
1883 kernel.packet[1] = vec_mergel(sum[0], sum[4]);
1884 kernel.packet[2] = vec_mergeh(sum[1], sum[5]);
1885 kernel.packet[3] = vec_mergel(sum[1], sum[5]);
1886 kernel.packet[4] = vec_mergeh(sum[2], sum[6]);
1887 kernel.packet[5] = vec_mergel(sum[2], sum[6]);
1888 kernel.packet[6] = vec_mergeh(sum[3], sum[7]);
1889 kernel.packet[7] = vec_mergel(sum[3], sum[7]);
1890}
1891
1892EIGEN_DEVICE_FUNC inline void
1893ptranspose(PacketBlock<Packet8us,8>& kernel) {
1894 Packet8us v[8], sum[8];
1895
1896 v[0] = vec_mergeh(kernel.packet[0], kernel.packet[4]);
1897 v[1] = vec_mergel(kernel.packet[0], kernel.packet[4]);
1898 v[2] = vec_mergeh(kernel.packet[1], kernel.packet[5]);
1899 v[3] = vec_mergel(kernel.packet[1], kernel.packet[5]);
1900 v[4] = vec_mergeh(kernel.packet[2], kernel.packet[6]);
1901 v[5] = vec_mergel(kernel.packet[2], kernel.packet[6]);
1902 v[6] = vec_mergeh(kernel.packet[3], kernel.packet[7]);
1903 v[7] = vec_mergel(kernel.packet[3], kernel.packet[7]);
1904 sum[0] = vec_mergeh(v[0], v[4]);
1905 sum[1] = vec_mergel(v[0], v[4]);
1906 sum[2] = vec_mergeh(v[1], v[5]);
1907 sum[3] = vec_mergel(v[1], v[5]);
1908 sum[4] = vec_mergeh(v[2], v[6]);
1909 sum[5] = vec_mergel(v[2], v[6]);
1910 sum[6] = vec_mergeh(v[3], v[7]);
1911 sum[7] = vec_mergel(v[3], v[7]);
1912
1913 kernel.packet[0] = vec_mergeh(sum[0], sum[4]);
1914 kernel.packet[1] = vec_mergel(sum[0], sum[4]);
1915 kernel.packet[2] = vec_mergeh(sum[1], sum[5]);
1916 kernel.packet[3] = vec_mergel(sum[1], sum[5]);
1917 kernel.packet[4] = vec_mergeh(sum[2], sum[6]);
1918 kernel.packet[5] = vec_mergel(sum[2], sum[6]);
1919 kernel.packet[6] = vec_mergeh(sum[3], sum[7]);
1920 kernel.packet[7] = vec_mergel(sum[3], sum[7]);
1921}
1922
1923EIGEN_DEVICE_FUNC inline void
1924ptranspose(PacketBlock<Packet8bf,8>& kernel) {
1925 Packet8bf v[8], sum[8];
1926
1927 v[0] = vec_mergeh(kernel.packet[0].m_val, kernel.packet[4].m_val);
1928 v[1] = vec_mergel(kernel.packet[0].m_val, kernel.packet[4].m_val);
1929 v[2] = vec_mergeh(kernel.packet[1].m_val, kernel.packet[5].m_val);
1930 v[3] = vec_mergel(kernel.packet[1].m_val, kernel.packet[5].m_val);
1931 v[4] = vec_mergeh(kernel.packet[2].m_val, kernel.packet[6].m_val);
1932 v[5] = vec_mergel(kernel.packet[2].m_val, kernel.packet[6].m_val);
1933 v[6] = vec_mergeh(kernel.packet[3].m_val, kernel.packet[7].m_val);
1934 v[7] = vec_mergel(kernel.packet[3].m_val, kernel.packet[7].m_val);
1935 sum[0] = vec_mergeh(v[0].m_val, v[4].m_val);
1936 sum[1] = vec_mergel(v[0].m_val, v[4].m_val);
1937 sum[2] = vec_mergeh(v[1].m_val, v[5].m_val);
1938 sum[3] = vec_mergel(v[1].m_val, v[5].m_val);
1939 sum[4] = vec_mergeh(v[2].m_val, v[6].m_val);
1940 sum[5] = vec_mergel(v[2].m_val, v[6].m_val);
1941 sum[6] = vec_mergeh(v[3].m_val, v[7].m_val);
1942 sum[7] = vec_mergel(v[3].m_val, v[7].m_val);
1943
1944 kernel.packet[0] = vec_mergeh(sum[0].m_val, sum[4].m_val);
1945 kernel.packet[1] = vec_mergel(sum[0].m_val, sum[4].m_val);
1946 kernel.packet[2] = vec_mergeh(sum[1].m_val, sum[5].m_val);
1947 kernel.packet[3] = vec_mergel(sum[1].m_val, sum[5].m_val);
1948 kernel.packet[4] = vec_mergeh(sum[2].m_val, sum[6].m_val);
1949 kernel.packet[5] = vec_mergel(sum[2].m_val, sum[6].m_val);
1950 kernel.packet[6] = vec_mergeh(sum[3].m_val, sum[7].m_val);
1951 kernel.packet[7] = vec_mergel(sum[3].m_val, sum[7].m_val);
1952}
1953
1954EIGEN_DEVICE_FUNC inline void
1955ptranspose(PacketBlock<Packet16c,16>& kernel) {
1956 Packet16c step1[16], step2[16], step3[16];
1957
1958 step1[0] = vec_mergeh(kernel.packet[0], kernel.packet[8]);
1959 step1[1] = vec_mergel(kernel.packet[0], kernel.packet[8]);
1960 step1[2] = vec_mergeh(kernel.packet[1], kernel.packet[9]);
1961 step1[3] = vec_mergel(kernel.packet[1], kernel.packet[9]);
1962 step1[4] = vec_mergeh(kernel.packet[2], kernel.packet[10]);
1963 step1[5] = vec_mergel(kernel.packet[2], kernel.packet[10]);
1964 step1[6] = vec_mergeh(kernel.packet[3], kernel.packet[11]);
1965 step1[7] = vec_mergel(kernel.packet[3], kernel.packet[11]);
1966 step1[8] = vec_mergeh(kernel.packet[4], kernel.packet[12]);
1967 step1[9] = vec_mergel(kernel.packet[4], kernel.packet[12]);
1968 step1[10] = vec_mergeh(kernel.packet[5], kernel.packet[13]);
1969 step1[11] = vec_mergel(kernel.packet[5], kernel.packet[13]);
1970 step1[12] = vec_mergeh(kernel.packet[6], kernel.packet[14]);
1971 step1[13] = vec_mergel(kernel.packet[6], kernel.packet[14]);
1972 step1[14] = vec_mergeh(kernel.packet[7], kernel.packet[15]);
1973 step1[15] = vec_mergel(kernel.packet[7], kernel.packet[15]);
1974
1975 step2[0] = vec_mergeh(step1[0], step1[8]);
1976 step2[1] = vec_mergel(step1[0], step1[8]);
1977 step2[2] = vec_mergeh(step1[1], step1[9]);
1978 step2[3] = vec_mergel(step1[1], step1[9]);
1979 step2[4] = vec_mergeh(step1[2], step1[10]);
1980 step2[5] = vec_mergel(step1[2], step1[10]);
1981 step2[6] = vec_mergeh(step1[3], step1[11]);
1982 step2[7] = vec_mergel(step1[3], step1[11]);
1983 step2[8] = vec_mergeh(step1[4], step1[12]);
1984 step2[9] = vec_mergel(step1[4], step1[12]);
1985 step2[10] = vec_mergeh(step1[5], step1[13]);
1986 step2[11] = vec_mergel(step1[5], step1[13]);
1987 step2[12] = vec_mergeh(step1[6], step1[14]);
1988 step2[13] = vec_mergel(step1[6], step1[14]);
1989 step2[14] = vec_mergeh(step1[7], step1[15]);
1990 step2[15] = vec_mergel(step1[7], step1[15]);
1991
1992 step3[0] = vec_mergeh(step2[0], step2[8]);
1993 step3[1] = vec_mergel(step2[0], step2[8]);
1994 step3[2] = vec_mergeh(step2[1], step2[9]);
1995 step3[3] = vec_mergel(step2[1], step2[9]);
1996 step3[4] = vec_mergeh(step2[2], step2[10]);
1997 step3[5] = vec_mergel(step2[2], step2[10]);
1998 step3[6] = vec_mergeh(step2[3], step2[11]);
1999 step3[7] = vec_mergel(step2[3], step2[11]);
2000 step3[8] = vec_mergeh(step2[4], step2[12]);
2001 step3[9] = vec_mergel(step2[4], step2[12]);
2002 step3[10] = vec_mergeh(step2[5], step2[13]);
2003 step3[11] = vec_mergel(step2[5], step2[13]);
2004 step3[12] = vec_mergeh(step2[6], step2[14]);
2005 step3[13] = vec_mergel(step2[6], step2[14]);
2006 step3[14] = vec_mergeh(step2[7], step2[15]);
2007 step3[15] = vec_mergel(step2[7], step2[15]);
2008
2009 kernel.packet[0] = vec_mergeh(step3[0], step3[8]);
2010 kernel.packet[1] = vec_mergel(step3[0], step3[8]);
2011 kernel.packet[2] = vec_mergeh(step3[1], step3[9]);
2012 kernel.packet[3] = vec_mergel(step3[1], step3[9]);
2013 kernel.packet[4] = vec_mergeh(step3[2], step3[10]);
2014 kernel.packet[5] = vec_mergel(step3[2], step3[10]);
2015 kernel.packet[6] = vec_mergeh(step3[3], step3[11]);
2016 kernel.packet[7] = vec_mergel(step3[3], step3[11]);
2017 kernel.packet[8] = vec_mergeh(step3[4], step3[12]);
2018 kernel.packet[9] = vec_mergel(step3[4], step3[12]);
2019 kernel.packet[10] = vec_mergeh(step3[5], step3[13]);
2020 kernel.packet[11] = vec_mergel(step3[5], step3[13]);
2021 kernel.packet[12] = vec_mergeh(step3[6], step3[14]);
2022 kernel.packet[13] = vec_mergel(step3[6], step3[14]);
2023 kernel.packet[14] = vec_mergeh(step3[7], step3[15]);
2024 kernel.packet[15] = vec_mergel(step3[7], step3[15]);
2025}
2026
2027EIGEN_DEVICE_FUNC inline void
2028ptranspose(PacketBlock<Packet16uc,16>& kernel) {
2029 Packet16uc step1[16], step2[16], step3[16];
2030
2031 step1[0] = vec_mergeh(kernel.packet[0], kernel.packet[8]);
2032 step1[1] = vec_mergel(kernel.packet[0], kernel.packet[8]);
2033 step1[2] = vec_mergeh(kernel.packet[1], kernel.packet[9]);
2034 step1[3] = vec_mergel(kernel.packet[1], kernel.packet[9]);
2035 step1[4] = vec_mergeh(kernel.packet[2], kernel.packet[10]);
2036 step1[5] = vec_mergel(kernel.packet[2], kernel.packet[10]);
2037 step1[6] = vec_mergeh(kernel.packet[3], kernel.packet[11]);
2038 step1[7] = vec_mergel(kernel.packet[3], kernel.packet[11]);
2039 step1[8] = vec_mergeh(kernel.packet[4], kernel.packet[12]);
2040 step1[9] = vec_mergel(kernel.packet[4], kernel.packet[12]);
2041 step1[10] = vec_mergeh(kernel.packet[5], kernel.packet[13]);
2042 step1[11] = vec_mergel(kernel.packet[5], kernel.packet[13]);
2043 step1[12] = vec_mergeh(kernel.packet[6], kernel.packet[14]);
2044 step1[13] = vec_mergel(kernel.packet[6], kernel.packet[14]);
2045 step1[14] = vec_mergeh(kernel.packet[7], kernel.packet[15]);
2046 step1[15] = vec_mergel(kernel.packet[7], kernel.packet[15]);
2047
2048 step2[0] = vec_mergeh(step1[0], step1[8]);
2049 step2[1] = vec_mergel(step1[0], step1[8]);
2050 step2[2] = vec_mergeh(step1[1], step1[9]);
2051 step2[3] = vec_mergel(step1[1], step1[9]);
2052 step2[4] = vec_mergeh(step1[2], step1[10]);
2053 step2[5] = vec_mergel(step1[2], step1[10]);
2054 step2[6] = vec_mergeh(step1[3], step1[11]);
2055 step2[7] = vec_mergel(step1[3], step1[11]);
2056 step2[8] = vec_mergeh(step1[4], step1[12]);
2057 step2[9] = vec_mergel(step1[4], step1[12]);
2058 step2[10] = vec_mergeh(step1[5], step1[13]);
2059 step2[11] = vec_mergel(step1[5], step1[13]);
2060 step2[12] = vec_mergeh(step1[6], step1[14]);
2061 step2[13] = vec_mergel(step1[6], step1[14]);
2062 step2[14] = vec_mergeh(step1[7], step1[15]);
2063 step2[15] = vec_mergel(step1[7], step1[15]);
2064
2065 step3[0] = vec_mergeh(step2[0], step2[8]);
2066 step3[1] = vec_mergel(step2[0], step2[8]);
2067 step3[2] = vec_mergeh(step2[1], step2[9]);
2068 step3[3] = vec_mergel(step2[1], step2[9]);
2069 step3[4] = vec_mergeh(step2[2], step2[10]);
2070 step3[5] = vec_mergel(step2[2], step2[10]);
2071 step3[6] = vec_mergeh(step2[3], step2[11]);
2072 step3[7] = vec_mergel(step2[3], step2[11]);
2073 step3[8] = vec_mergeh(step2[4], step2[12]);
2074 step3[9] = vec_mergel(step2[4], step2[12]);
2075 step3[10] = vec_mergeh(step2[5], step2[13]);
2076 step3[11] = vec_mergel(step2[5], step2[13]);
2077 step3[12] = vec_mergeh(step2[6], step2[14]);
2078 step3[13] = vec_mergel(step2[6], step2[14]);
2079 step3[14] = vec_mergeh(step2[7], step2[15]);
2080 step3[15] = vec_mergel(step2[7], step2[15]);
2081
2082 kernel.packet[0] = vec_mergeh(step3[0], step3[8]);
2083 kernel.packet[1] = vec_mergel(step3[0], step3[8]);
2084 kernel.packet[2] = vec_mergeh(step3[1], step3[9]);
2085 kernel.packet[3] = vec_mergel(step3[1], step3[9]);
2086 kernel.packet[4] = vec_mergeh(step3[2], step3[10]);
2087 kernel.packet[5] = vec_mergel(step3[2], step3[10]);
2088 kernel.packet[6] = vec_mergeh(step3[3], step3[11]);
2089 kernel.packet[7] = vec_mergel(step3[3], step3[11]);
2090 kernel.packet[8] = vec_mergeh(step3[4], step3[12]);
2091 kernel.packet[9] = vec_mergel(step3[4], step3[12]);
2092 kernel.packet[10] = vec_mergeh(step3[5], step3[13]);
2093 kernel.packet[11] = vec_mergel(step3[5], step3[13]);
2094 kernel.packet[12] = vec_mergeh(step3[6], step3[14]);
2095 kernel.packet[13] = vec_mergel(step3[6], step3[14]);
2096 kernel.packet[14] = vec_mergeh(step3[7], step3[15]);
2097 kernel.packet[15] = vec_mergel(step3[7], step3[15]);
2098}
2099
2100template<typename Packet> EIGEN_STRONG_INLINE
2101Packet pblend4(const Selector<4>& ifPacket, const Packet& thenPacket, const Packet& elsePacket) {
2102 Packet4ui select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3] };
2103 Packet4ui mask = reinterpret_cast<Packet4ui>(vec_cmpeq(reinterpret_cast<Packet4ui>(select), reinterpret_cast<Packet4ui>(p4i_ONE)));
2104 return vec_sel(elsePacket, thenPacket, mask);
2105}
2106
2107template<> EIGEN_STRONG_INLINE Packet4i pblend(const Selector<4>& ifPacket, const Packet4i& thenPacket, const Packet4i& elsePacket) {
2108 return pblend4<Packet4i>(ifPacket, thenPacket, elsePacket);
2109}
2110
2111template<> EIGEN_STRONG_INLINE Packet4f pblend(const Selector<4>& ifPacket, const Packet4f& thenPacket, const Packet4f& elsePacket) {
2112 return pblend4<Packet4f>(ifPacket, thenPacket, elsePacket);
2113}
2114
2115template<> EIGEN_STRONG_INLINE Packet8s pblend(const Selector<8>& ifPacket, const Packet8s& thenPacket, const Packet8s& elsePacket) {
2116 Packet8us select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3],
2117 ifPacket.select[4], ifPacket.select[5], ifPacket.select[6], ifPacket.select[7] };
2118 Packet8us mask = reinterpret_cast<Packet8us>(vec_cmpeq(select, p8us_ONE));
2119 Packet8s result = vec_sel(elsePacket, thenPacket, mask);
2120 return result;
2121}
2122
2123template<> EIGEN_STRONG_INLINE Packet8us pblend(const Selector<8>& ifPacket, const Packet8us& thenPacket, const Packet8us& elsePacket) {
2124 Packet8us select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3],
2125 ifPacket.select[4], ifPacket.select[5], ifPacket.select[6], ifPacket.select[7] };
2126 Packet8us mask = reinterpret_cast<Packet8us>(vec_cmpeq(reinterpret_cast<Packet8us>(select), p8us_ONE));
2127 return vec_sel(elsePacket, thenPacket, mask);
2128}
2129
2130template<> EIGEN_STRONG_INLINE Packet8bf pblend(const Selector<8>& ifPacket, const Packet8bf& thenPacket, const Packet8bf& elsePacket) {
2131 return pblend<Packet8us>(ifPacket, thenPacket, elsePacket);
2132}
2133
2134template<> EIGEN_STRONG_INLINE Packet16c pblend(const Selector<16>& ifPacket, const Packet16c& thenPacket, const Packet16c& elsePacket) {
2135 Packet16uc select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3],
2136 ifPacket.select[4], ifPacket.select[5], ifPacket.select[6], ifPacket.select[7],
2137 ifPacket.select[8], ifPacket.select[9], ifPacket.select[10], ifPacket.select[11],
2138 ifPacket.select[12], ifPacket.select[13], ifPacket.select[14], ifPacket.select[15] };
2139
2140 Packet16uc mask = reinterpret_cast<Packet16uc>(vec_cmpeq(reinterpret_cast<Packet16uc>(select), p16uc_ONE));
2141 return vec_sel(elsePacket, thenPacket, mask);
2142}
2143
2144template<> EIGEN_STRONG_INLINE Packet16uc pblend(const Selector<16>& ifPacket, const Packet16uc& thenPacket, const Packet16uc& elsePacket) {
2145 Packet16uc select = { ifPacket.select[0], ifPacket.select[1], ifPacket.select[2], ifPacket.select[3],
2146 ifPacket.select[4], ifPacket.select[5], ifPacket.select[6], ifPacket.select[7],
2147 ifPacket.select[8], ifPacket.select[9], ifPacket.select[10], ifPacket.select[11],
2148 ifPacket.select[12], ifPacket.select[13], ifPacket.select[14], ifPacket.select[15] };
2149
2150 Packet16uc mask = reinterpret_cast<Packet16uc>(vec_cmpeq(reinterpret_cast<Packet16uc>(select), p16uc_ONE));
2151 return vec_sel(elsePacket, thenPacket, mask);
2152}
2153
2154template <>
2155struct type_casting_traits<float, int> {
2156 enum {
2157 VectorizedCast = 1,
2158 SrcCoeffRatio = 1,
2159 TgtCoeffRatio = 1
2160 };
2161};
2162
2163template <>
2164struct type_casting_traits<int, float> {
2165 enum {
2166 VectorizedCast = 1,
2167 SrcCoeffRatio = 1,
2168 TgtCoeffRatio = 1
2169 };
2170};
2171
2172template <>
2173struct type_casting_traits<bfloat16, unsigned short int> {
2174 enum {
2175 VectorizedCast = 1,
2176 SrcCoeffRatio = 1,
2177 TgtCoeffRatio = 1
2178 };
2179};
2180
2181template <>
2182struct type_casting_traits<unsigned short int, bfloat16> {
2183 enum {
2184 VectorizedCast = 1,
2185 SrcCoeffRatio = 1,
2186 TgtCoeffRatio = 1
2187 };
2188};
2189
2190template<> EIGEN_STRONG_INLINE Packet4i pcast<Packet4f, Packet4i>(const Packet4f& a) {
2191 return vec_cts(a,0);
2192}
2193
2194template<> EIGEN_STRONG_INLINE Packet4ui pcast<Packet4f, Packet4ui>(const Packet4f& a) {
2195 return vec_ctu(a,0);
2196}
2197
2198template<> EIGEN_STRONG_INLINE Packet4f pcast<Packet4i, Packet4f>(const Packet4i& a) {
2199 return vec_ctf(a,0);
2200}
2201
2202template<> EIGEN_STRONG_INLINE Packet4f pcast<Packet4ui, Packet4f>(const Packet4ui& a) {
2203 return vec_ctf(a,0);
2204}
2205
2206template<> EIGEN_STRONG_INLINE Packet8us pcast<Packet8bf, Packet8us>(const Packet8bf& a) {
2207 Packet4f float_even = Bf16ToF32Even(a);
2208 Packet4f float_odd = Bf16ToF32Odd(a);
2209 Packet4ui int_even = pcast<Packet4f, Packet4ui>(float_even);
2210 Packet4ui int_odd = pcast<Packet4f, Packet4ui>(float_odd);
2211 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(low_mask, 0x0000FFFF);
2212 Packet4ui low_even = pand<Packet4ui>(int_even, p4ui_low_mask);
2213 Packet4ui low_odd = pand<Packet4ui>(int_odd, p4ui_low_mask);
2214
2215 //Check values that are bigger than USHRT_MAX (0xFFFF)
2216 Packet4bi overflow_selector;
2217 if(vec_any_gt(int_even, p4ui_low_mask)){
2218 overflow_selector = vec_cmpgt(int_even, p4ui_low_mask);
2219 low_even = vec_sel(low_even, p4ui_low_mask, overflow_selector);
2220 }
2221 if(vec_any_gt(int_odd, p4ui_low_mask)){
2222 overflow_selector = vec_cmpgt(int_odd, p4ui_low_mask);
2223 low_odd = vec_sel(low_even, p4ui_low_mask, overflow_selector);
2224 }
2225
2226 low_odd = plogical_shift_left<16>(low_odd);
2227
2228 Packet4ui int_final = por<Packet4ui>(low_even, low_odd);
2229 return reinterpret_cast<Packet8us>(int_final);
2230}
2231
2232template<> EIGEN_STRONG_INLINE Packet8bf pcast<Packet8us, Packet8bf>(const Packet8us& a) {
2233 //short -> int -> float -> bfloat16
2234 const _EIGEN_DECLARE_CONST_FAST_Packet4ui(low_mask, 0x0000FFFF);
2235 Packet4ui int_cast = reinterpret_cast<Packet4ui>(a);
2236 Packet4ui int_even = pand<Packet4ui>(int_cast, p4ui_low_mask);
2237 Packet4ui int_odd = plogical_shift_right<16>(int_cast);
2238 Packet4f float_even = pcast<Packet4ui, Packet4f>(int_even);
2239 Packet4f float_odd = pcast<Packet4ui, Packet4f>(int_odd);
2240 return F32ToBf16(float_even, float_odd);
2241}
2242
2243
2244template<> EIGEN_STRONG_INLINE Packet4i preinterpret<Packet4i,Packet4f>(const Packet4f& a) {
2245 return reinterpret_cast<Packet4i>(a);
2246}
2247
2248template<> EIGEN_STRONG_INLINE Packet4f preinterpret<Packet4f,Packet4i>(const Packet4i& a) {
2249 return reinterpret_cast<Packet4f>(a);
2250}
2251
2252
2253
2254//---------- double ----------
2255#ifdef __VSX__
2256typedef __vector double Packet2d;
2257typedef __vector unsigned long long Packet2ul;
2258typedef __vector long long Packet2l;
2259#if EIGEN_COMP_CLANG
2260typedef Packet2ul Packet2bl;
2261#else
2262typedef __vector __bool long Packet2bl;
2263#endif
2264
2265static Packet2l p2l_ONE = { 1, 1 };
2266static Packet2l p2l_ZERO = reinterpret_cast<Packet2l>(p4i_ZERO);
2267static Packet2ul p2ul_SIGN = { 0x8000000000000000ull, 0x8000000000000000ull };
2268static Packet2ul p2ul_PREV0DOT5 = { 0x3FDFFFFFFFFFFFFFull, 0x3FDFFFFFFFFFFFFFull };
2269static Packet2d p2d_ONE = { 1.0, 1.0 };
2270static Packet2d p2d_ZERO = reinterpret_cast<Packet2d>(p4f_ZERO);
2271static Packet2d p2d_MZERO = { numext::bit_cast<double>(0x8000000000000000ull),
2272 numext::bit_cast<double>(0x8000000000000000ull) };
2273
2274#ifdef _BIG_ENDIAN
2275static Packet2d p2d_COUNTDOWN = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4f>(p2d_ZERO), reinterpret_cast<Packet4f>(p2d_ONE), 8));
2276#else
2277static Packet2d p2d_COUNTDOWN = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4f>(p2d_ONE), reinterpret_cast<Packet4f>(p2d_ZERO), 8));
2278#endif
2279
2280template<int index> Packet2d vec_splat_dbl(Packet2d& a)
2281{
2282 return vec_splat(a, index);
2283}
2284
2285template<> struct packet_traits<double> : default_packet_traits
2286{
2287 typedef Packet2d type;
2288 typedef Packet2d half;
2289 enum {
2290 Vectorizable = 1,
2291 AlignedOnScalar = 1,
2292 size=2,
2293 HasHalfPacket = 1,
2294
2295 HasAdd = 1,
2296 HasSub = 1,
2297 HasMul = 1,
2298 HasDiv = 1,
2299 HasMin = 1,
2300 HasMax = 1,
2301 HasAbs = 1,
2302 HasSin = 0,
2303 HasCos = 0,
2304 HasLog = 0,
2305 HasExp = 1,
2306 HasSqrt = 1,
2307 HasRsqrt = 1,
2308 HasRound = 1,
2309 HasFloor = 1,
2310 HasCeil = 1,
2311 HasRint = 1,
2312 HasNegate = 1,
2313 HasBlend = 1
2314 };
2315};
2316
2317template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2, alignment=Aligned16, vectorizable=true, masked_load_available=false, masked_store_available=false}; typedef Packet2d half; };
2318
2319inline std::ostream & operator <<(std::ostream & s, const Packet2l & v)
2320{
2321 union {
2322 Packet2l v;
2323 int64_t n[2];
2324 } vt;
2325 vt.v = v;
2326 s << vt.n[0] << ", " << vt.n[1];
2327 return s;
2328}
2329
2330inline std::ostream & operator <<(std::ostream & s, const Packet2d & v)
2331{
2332 union {
2333 Packet2d v;
2334 double n[2];
2335 } vt;
2336 vt.v = v;
2337 s << vt.n[0] << ", " << vt.n[1];
2338 return s;
2339}
2340
2341// Need to define them first or we get specialization after instantiation errors
2342template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(const double* from)
2343{
2344 EIGEN_DEBUG_ALIGNED_LOAD
2345 return vec_xl(0, const_cast<double *>(from)); // cast needed by Clang
2346}
2347
2348template<> EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet2d& from)
2349{
2350 EIGEN_DEBUG_ALIGNED_STORE
2351 vec_xst(from, 0, to);
2352}
2353
2354template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) {
2355 Packet2d v = {from, from};
2356 return v;
2357}
2358
2359template<> EIGEN_STRONG_INLINE Packet2d pset1frombits<Packet2d>(unsigned long from) {
2360 Packet2l v = {static_cast<long long>(from), static_cast<long long>(from)};
2361 return reinterpret_cast<Packet2d>(v);
2362}
2363
2364template<> EIGEN_STRONG_INLINE void
2365pbroadcast4<Packet2d>(const double *a,
2366 Packet2d& a0, Packet2d& a1, Packet2d& a2, Packet2d& a3)
2367{
2368 //This way is faster than vec_splat (at least for doubles in Power 9)
2369 a0 = pset1<Packet2d>(a[0]);
2370 a1 = pset1<Packet2d>(a[1]);
2371 a2 = pset1<Packet2d>(a[2]);
2372 a3 = pset1<Packet2d>(a[3]);
2373}
2374
2375template<> EIGEN_DEVICE_FUNC inline Packet2d pgather<double, Packet2d>(const double* from, Index stride)
2376{
2377 EIGEN_ALIGN16 double af[2];
2378 af[0] = from[0*stride];
2379 af[1] = from[1*stride];
2380 return pload<Packet2d>(af);
2381}
2382template<> EIGEN_DEVICE_FUNC inline void pscatter<double, Packet2d>(double* to, const Packet2d& from, Index stride)
2383{
2384 EIGEN_ALIGN16 double af[2];
2385 pstore<double>(af, from);
2386 to[0*stride] = af[0];
2387 to[1*stride] = af[1];
2388}
2389
2390template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(const double& a) { return pset1<Packet2d>(a) + p2d_COUNTDOWN; }
2391
2392template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(const Packet2d& a, const Packet2d& b) { return a + b; }
2393
2394template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(const Packet2d& a, const Packet2d& b) { return a - b; }
2395
2396template<> EIGEN_STRONG_INLINE Packet2d pnegate(const Packet2d& a) { return p2d_ZERO - a; }
2397
2398template<> EIGEN_STRONG_INLINE Packet2d pconj(const Packet2d& a) { return a; }
2399
2400template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_madd(a,b,p2d_MZERO); }
2401template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_div(a,b); }
2402
2403// for some weird raisons, it has to be overloaded for packet of integers
2404template<> EIGEN_STRONG_INLINE Packet2d pmadd(const Packet2d& a, const Packet2d& b, const Packet2d& c) { return vec_madd(a, b, c); }
2405
2406template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(const Packet2d& a, const Packet2d& b)
2407{
2408 // NOTE: about 10% slower than vec_min, but consistent with std::min and SSE regarding NaN
2409 Packet2d ret;
2410 __asm__ ("xvcmpgedp %x0,%x1,%x2\n\txxsel %x0,%x1,%x2,%x0" : "=&wa" (ret) : "wa" (a), "wa" (b));
2411 return ret;
2412 }
2413
2414template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(const Packet2d& a, const Packet2d& b)
2415{
2416 // NOTE: about 10% slower than vec_max, but consistent with std::max and SSE regarding NaN
2417 Packet2d ret;
2418 __asm__ ("xvcmpgtdp %x0,%x2,%x1\n\txxsel %x0,%x1,%x2,%x0" : "=&wa" (ret) : "wa" (a), "wa" (b));
2419 return ret;
2420}
2421
2422template<> EIGEN_STRONG_INLINE Packet2d pcmp_le(const Packet2d& a, const Packet2d& b) { return reinterpret_cast<Packet2d>(vec_cmple(a,b)); }
2423template<> EIGEN_STRONG_INLINE Packet2d pcmp_lt(const Packet2d& a, const Packet2d& b) { return reinterpret_cast<Packet2d>(vec_cmplt(a,b)); }
2424template<> EIGEN_STRONG_INLINE Packet2d pcmp_eq(const Packet2d& a, const Packet2d& b) { return reinterpret_cast<Packet2d>(vec_cmpeq(a,b)); }
2425template<> EIGEN_STRONG_INLINE Packet2d pcmp_lt_or_nan(const Packet2d& a, const Packet2d& b) {
2426 Packet2d c = reinterpret_cast<Packet2d>(vec_cmpge(a,b));
2427 return vec_nor(c,c);
2428}
2429
2430template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_and(a, b); }
2431
2432template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_or(a, b); }
2433
2434template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_xor(a, b); }
2435
2436template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(const Packet2d& a, const Packet2d& b) { return vec_and(a, vec_nor(b, b)); }
2437
2438template<> EIGEN_STRONG_INLINE Packet2d pround<Packet2d>(const Packet2d& a)
2439{
2440 Packet2d t = vec_add(reinterpret_cast<Packet2d>(vec_or(vec_and(reinterpret_cast<Packet2ul>(a), p2ul_SIGN), p2ul_PREV0DOT5)), a);
2441 Packet2d res;
2442
2443 __asm__("xvrdpiz %x0, %x1\n\t"
2444 : "=&wa" (res)
2445 : "wa" (t));
2446
2447 return res;
2448}
2449template<> EIGEN_STRONG_INLINE Packet2d pceil<Packet2d>(const Packet2d& a) { return vec_ceil(a); }
2450template<> EIGEN_STRONG_INLINE Packet2d pfloor<Packet2d>(const Packet2d& a) { return vec_floor(a); }
2451template<> EIGEN_STRONG_INLINE Packet2d print<Packet2d>(const Packet2d& a)
2452{
2453 Packet2d res;
2454
2455 __asm__("xvrdpic %x0, %x1\n\t"
2456 : "=&wa" (res)
2457 : "wa" (a));
2458
2459 return res;
2460}
2461
2462template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from)
2463{
2464 EIGEN_DEBUG_UNALIGNED_LOAD
2465 return vec_xl(0, const_cast<double*>(from));
2466}
2467
2468template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(const double* from)
2469{
2470 Packet2d p;
2471 if((std::ptrdiff_t(from) % 16) == 0) p = pload<Packet2d>(from);
2472 else p = ploadu<Packet2d>(from);
2473 return vec_splat_dbl<0>(p);
2474}
2475
2476template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet2d& from)
2477{
2478 EIGEN_DEBUG_UNALIGNED_STORE
2479 vec_xst(from, 0, to);
2480}
2481
2482template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { EIGEN_PPC_PREFETCH(addr); }
2483
2484template<> EIGEN_STRONG_INLINE double pfirst<Packet2d>(const Packet2d& a) { EIGEN_ALIGN16 double x[2]; pstore<double>(x, a); return x[0]; }
2485
2486template<> EIGEN_STRONG_INLINE Packet2d preverse(const Packet2d& a)
2487{
2488 return reinterpret_cast<Packet2d>(vec_perm(reinterpret_cast<Packet16uc>(a), reinterpret_cast<Packet16uc>(a), p16uc_REVERSE64));
2489}
2490template<> EIGEN_STRONG_INLINE Packet2d pabs(const Packet2d& a) { return vec_abs(a); }
2491
2492// VSX support varies between different compilers and even different
2493// versions of the same compiler. For gcc version >= 4.9.3, we can use
2494// vec_cts to efficiently convert Packet2d to Packet2l. Otherwise, use
2495// a slow version that works with older compilers.
2496// Update: apparently vec_cts/vec_ctf intrinsics for 64-bit doubles
2497// are buggy, https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70963
2498template<>
2499inline Packet2l pcast<Packet2d, Packet2l>(const Packet2d& x) {
2500#if EIGEN_GNUC_AT_LEAST(5, 4) || \
2501 (EIGEN_GNUC_AT(6, 1) && __GNUC_PATCHLEVEL__ >= 1)
2502 return vec_cts(x, 0); // TODO: check clang version.
2503#else
2504 double tmp[2];
2505 memcpy(tmp, &x, sizeof(tmp));
2506 Packet2l l = { static_cast<long long>(tmp[0]),
2507 static_cast<long long>(tmp[1]) };
2508 return l;
2509#endif
2510}
2511
2512template<>
2513inline Packet2d pcast<Packet2l, Packet2d>(const Packet2l& x) {
2514 unsigned long long tmp[2];
2515 memcpy(tmp, &x, sizeof(tmp));
2516 Packet2d d = { static_cast<double>(tmp[0]),
2517 static_cast<double>(tmp[1]) };
2518 return d;
2519}
2520
2521
2522// Packet2l shifts.
2523// For POWER8 we simply use vec_sr/l.
2524//
2525// Things are more complicated for POWER7. There is actually a
2526// vec_xxsxdi intrinsic but it is not supported by some gcc versions.
2527// So we need to shift by N % 32 and rearrage bytes.
2528#ifdef __POWER8_VECTOR__
2529
2530template<int N>
2531EIGEN_STRONG_INLINE Packet2l plogical_shift_left(const Packet2l& a) {
2532 const Packet2ul shift = { N, N };
2533 return vec_sl(a, shift);
2534}
2535
2536template<int N>
2537EIGEN_STRONG_INLINE Packet2l plogical_shift_right(const Packet2l& a) {
2538 const Packet2ul shift = { N, N };
2539 return vec_sr(a, shift);
2540}
2541
2542#else
2543
2544// Shifts [A, B, C, D] to [B, 0, D, 0].
2545// Used to implement left shifts for Packet2l.
2546EIGEN_ALWAYS_INLINE Packet4i shift_even_left(const Packet4i& a) {
2547 static const Packet16uc perm = {
2548 0x14, 0x15, 0x16, 0x17, 0x00, 0x01, 0x02, 0x03,
2549 0x1c, 0x1d, 0x1e, 0x1f, 0x08, 0x09, 0x0a, 0x0b };
2550 #ifdef _BIG_ENDIAN
2551 return vec_perm(p4i_ZERO, a, perm);
2552 #else
2553 return vec_perm(a, p4i_ZERO, perm);
2554 #endif
2555}
2556
2557// Shifts [A, B, C, D] to [0, A, 0, C].
2558// Used to implement right shifts for Packet2l.
2559EIGEN_ALWAYS_INLINE Packet4i shift_odd_right(const Packet4i& a) {
2560 static const Packet16uc perm = {
2561 0x04, 0x05, 0x06, 0x07, 0x10, 0x11, 0x12, 0x13,
2562 0x0c, 0x0d, 0x0e, 0x0f, 0x18, 0x19, 0x1a, 0x1b };
2563 #ifdef _BIG_ENDIAN
2564 return vec_perm(p4i_ZERO, a, perm);
2565 #else
2566 return vec_perm(a, p4i_ZERO, perm);
2567 #endif
2568}
2569
2570template<int N, typename EnableIf = void>
2571struct plogical_shift_left_impl;
2572
2573template<int N>
2574struct plogical_shift_left_impl<N, typename enable_if<(N < 32) && (N >= 0)>::type> {
2575 static EIGEN_STRONG_INLINE Packet2l run(const Packet2l& a) {
2576 static const unsigned n = static_cast<unsigned>(N);
2577 const Packet4ui shift = {n, n, n, n};
2578 const Packet4i ai = reinterpret_cast<Packet4i>(a);
2579 static const unsigned m = static_cast<unsigned>(32 - N);
2580 const Packet4ui shift_right = {m, m, m, m};
2581 const Packet4i out_hi = vec_sl(ai, shift);
2582 const Packet4i out_lo = shift_even_left(vec_sr(ai, shift_right));
2583 return reinterpret_cast<Packet2l>(por<Packet4i>(out_hi, out_lo));
2584 }
2585};
2586
2587template<int N>
2588struct plogical_shift_left_impl<N, typename enable_if<(N >= 32)>::type> {
2589 static EIGEN_STRONG_INLINE Packet2l run(const Packet2l& a) {
2590 static const unsigned m = static_cast<unsigned>(N - 32);
2591 const Packet4ui shift = {m, m, m, m};
2592 const Packet4i ai = reinterpret_cast<Packet4i>(a);
2593 return reinterpret_cast<Packet2l>(shift_even_left(vec_sl(ai, shift)));
2594 }
2595};
2596
2597template<int N>
2598EIGEN_STRONG_INLINE Packet2l plogical_shift_left(const Packet2l& a) {
2599 return plogical_shift_left_impl<N>::run(a);
2600}
2601
2602template<int N, typename EnableIf = void>
2603struct plogical_shift_right_impl;
2604
2605template<int N>
2606struct plogical_shift_right_impl<N, typename enable_if<(N < 32) && (N >= 0)>::type> {
2607 static EIGEN_STRONG_INLINE Packet2l run(const Packet2l& a) {
2608 static const unsigned n = static_cast<unsigned>(N);
2609 const Packet4ui shift = {n, n, n, n};
2610 const Packet4i ai = reinterpret_cast<Packet4i>(a);
2611 static const unsigned m = static_cast<unsigned>(32 - N);
2612 const Packet4ui shift_left = {m, m, m, m};
2613 const Packet4i out_lo = vec_sr(ai, shift);
2614 const Packet4i out_hi = shift_odd_right(vec_sl(ai, shift_left));
2615 return reinterpret_cast<Packet2l>(por<Packet4i>(out_hi, out_lo));
2616 }
2617};
2618
2619template<int N>
2620struct plogical_shift_right_impl<N, typename enable_if<(N >= 32)>::type> {
2621 static EIGEN_STRONG_INLINE Packet2l run(const Packet2l& a) {
2622 static const unsigned m = static_cast<unsigned>(N - 32);
2623 const Packet4ui shift = {m, m, m, m};
2624 const Packet4i ai = reinterpret_cast<Packet4i>(a);
2625 return reinterpret_cast<Packet2l>(shift_odd_right(vec_sr(ai, shift)));
2626 }
2627};
2628
2629template<int N>
2630EIGEN_STRONG_INLINE Packet2l plogical_shift_right(const Packet2l& a) {
2631 return plogical_shift_right_impl<N>::run(a);
2632}
2633#endif
2634
2635template<> EIGEN_STRONG_INLINE Packet2d pldexp<Packet2d>(const Packet2d& a, const Packet2d& exponent) {
2636 // Clamp exponent to [-2099, 2099]
2637 const Packet2d max_exponent = pset1<Packet2d>(2099.0);
2638 const Packet2l e = pcast<Packet2d, Packet2l>(pmin(pmax(exponent, pnegate(max_exponent)), max_exponent));
2639
2640 // Split 2^e into four factors and multiply:
2641 const Packet2l bias = { 1023, 1023 };
2642 Packet2l b = plogical_shift_right<2>(e); // floor(e/4)
2643 Packet2d c = reinterpret_cast<Packet2d>(plogical_shift_left<52>(b + bias));
2644 Packet2d out = pmul(pmul(pmul(a, c), c), c); // a * 2^(3b)
2645 b = psub(psub(psub(e, b), b), b); // e - 3b
2646 c = reinterpret_cast<Packet2d>(plogical_shift_left<52>(b + bias)); // 2^(e - 3b)
2647 out = pmul(out, c); // a * 2^e
2648 return out;
2649}
2650
2651
2652// Extract exponent without existence of Packet2l.
2653template<>
2654EIGEN_STRONG_INLINE
2655Packet2d pfrexp_generic_get_biased_exponent(const Packet2d& a) {
2656 return pcast<Packet2l, Packet2d>(plogical_shift_right<52>(reinterpret_cast<Packet2l>(pabs(a))));
2657}
2658
2659template<> EIGEN_STRONG_INLINE Packet2d pfrexp<Packet2d> (const Packet2d& a, Packet2d& exponent) {
2660 return pfrexp_generic(a, exponent);
2661}
2662
2663template<> EIGEN_STRONG_INLINE double predux<Packet2d>(const Packet2d& a)
2664{
2665 Packet2d b, sum;
2666 b = reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4f>(a), reinterpret_cast<Packet4f>(a), 8));
2667 sum = a + b;
2668 return pfirst<Packet2d>(sum);
2669}
2670
2671// Other reduction functions:
2672// mul
2673template<> EIGEN_STRONG_INLINE double predux_mul<Packet2d>(const Packet2d& a)
2674{
2675 return pfirst(pmul(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4ui>(a), reinterpret_cast<Packet4ui>(a), 8))));
2676}
2677
2678// min
2679template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
2680{
2681 return pfirst(pmin(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4ui>(a), reinterpret_cast<Packet4ui>(a), 8))));
2682}
2683
2684// max
2685template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
2686{
2687 return pfirst(pmax(a, reinterpret_cast<Packet2d>(vec_sld(reinterpret_cast<Packet4ui>(a), reinterpret_cast<Packet4ui>(a), 8))));
2688}
2689
2690EIGEN_DEVICE_FUNC inline void
2691ptranspose(PacketBlock<Packet2d,2>& kernel) {
2692 Packet2d t0, t1;
2693 t0 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_HI);
2694 t1 = vec_perm(kernel.packet[0], kernel.packet[1], p16uc_TRANSPOSE64_LO);
2695 kernel.packet[0] = t0;
2696 kernel.packet[1] = t1;
2697}
2698
2699template<> EIGEN_STRONG_INLINE Packet2d pblend(const Selector<2>& ifPacket, const Packet2d& thenPacket, const Packet2d& elsePacket) {
2700 Packet2l select = { ifPacket.select[0], ifPacket.select[1] };
2701 Packet2bl mask = reinterpret_cast<Packet2bl>( vec_cmpeq(reinterpret_cast<Packet2d>(select), reinterpret_cast<Packet2d>(p2l_ONE)) );
2702 return vec_sel(elsePacket, thenPacket, mask);
2703}
2704
2705
2706#endif // __VSX__
2707} // end namespace internal
2708
2709} // end namespace Eigen
2710
2711#endif // EIGEN_PACKET_MATH_ALTIVEC_H
@ Aligned16
Definition: Constants.h:235
Namespace containing all symbols from the Eigen library.
Definition: Core:141
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: Meta.h:74