10 #ifndef EIGEN_PACKET_MATH_SSE_H 11 #define EIGEN_PACKET_MATH_SSE_H 17 #ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 18 #define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 8 21 #ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS 22 #define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS (2*sizeof(void*)) 26 #ifndef EIGEN_HAS_SINGLE_INSTRUCTION_MADD 27 #define EIGEN_HAS_SINGLE_INSTRUCTION_MADD 1 31 #if (defined EIGEN_VECTORIZE_AVX) && EIGEN_COMP_GNUC_STRICT && (__GXX_ABI_VERSION < 1004) 38 struct eigen_packet_wrapper
40 EIGEN_ALWAYS_INLINE
operator T&() {
return m_val; }
41 EIGEN_ALWAYS_INLINE
operator const T&()
const {
return m_val; }
42 EIGEN_ALWAYS_INLINE eigen_packet_wrapper() {}
43 EIGEN_ALWAYS_INLINE eigen_packet_wrapper(
const T &v) : m_val(v) {}
44 EIGEN_ALWAYS_INLINE eigen_packet_wrapper& operator=(
const T &v) {
51 typedef eigen_packet_wrapper<__m128> Packet4f;
52 typedef eigen_packet_wrapper<__m128i> Packet4i;
53 typedef eigen_packet_wrapper<__m128d> Packet2d;
55 typedef __m128 Packet4f;
56 typedef __m128i Packet4i;
57 typedef __m128d Packet2d;
60 template<>
struct is_arithmetic<__m128> {
enum { value =
true }; };
61 template<>
struct is_arithmetic<__m128i> {
enum { value =
true }; };
62 template<>
struct is_arithmetic<__m128d> {
enum { value =
true }; };
64 #define vec4f_swizzle1(v,p,q,r,s) \ 65 (_mm_castsi128_ps(_mm_shuffle_epi32( _mm_castps_si128(v), ((s)<<6|(r)<<4|(q)<<2|(p))))) 67 #define vec4i_swizzle1(v,p,q,r,s) \ 68 (_mm_shuffle_epi32( v, ((s)<<6|(r)<<4|(q)<<2|(p)))) 70 #define vec2d_swizzle1(v,p,q) \ 71 (_mm_castsi128_pd(_mm_shuffle_epi32( _mm_castpd_si128(v), ((q*2+1)<<6|(q*2)<<4|(p*2+1)<<2|(p*2))))) 73 #define vec4f_swizzle2(a,b,p,q,r,s) \ 74 (_mm_shuffle_ps( (a), (b), ((s)<<6|(r)<<4|(q)<<2|(p)))) 76 #define vec4i_swizzle2(a,b,p,q,r,s) \ 77 (_mm_castps_si128( (_mm_shuffle_ps( _mm_castsi128_ps(a), _mm_castsi128_ps(b), ((s)<<6|(r)<<4|(q)<<2|(p)))))) 79 #define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \ 80 const Packet4f p4f_##NAME = pset1<Packet4f>(X) 82 #define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \ 83 const Packet2d p2d_##NAME = pset1<Packet2d>(X) 85 #define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \ 86 const Packet4f p4f_##NAME = _mm_castsi128_ps(pset1<Packet4i>(X)) 88 #define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \ 89 const Packet4i p4i_##NAME = pset1<Packet4i>(X) 94 #ifndef EIGEN_VECTORIZE_AVX 95 template<>
struct packet_traits<float> : default_packet_traits
97 typedef Packet4f type;
98 typedef Packet4f half;
106 HasSin = EIGEN_FAST_MATH,
107 HasCos = EIGEN_FAST_MATH,
112 HasTanh = EIGEN_FAST_MATH,
115 #ifdef EIGEN_VECTORIZE_SSE4_1 123 template<>
struct packet_traits<double> : default_packet_traits
125 typedef Packet2d type;
126 typedef Packet2d half;
139 #ifdef EIGEN_VECTORIZE_SSE4_1 148 template<>
struct packet_traits<int> : default_packet_traits
150 typedef Packet4i type;
151 typedef Packet4i half;
161 template<>
struct unpacket_traits<Packet4f> {
typedef float type;
enum {size=4, alignment=
Aligned16};
typedef Packet4f half; };
162 template<>
struct unpacket_traits<Packet2d> {
typedef double type;
enum {size=2, alignment=
Aligned16};
typedef Packet2d half; };
163 template<>
struct unpacket_traits<Packet4i> {
typedef int type;
enum {size=4, alignment=
Aligned16};
typedef Packet4i half; };
165 #if EIGEN_COMP_MSVC==1500 169 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set_ps(from,from,from,from); }
170 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set_pd(from,from); }
171 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set_epi32(from,from,from,from); }
173 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set_ps1(from); }
174 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set1_pd(from); }
175 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set1_epi32(from); }
183 #if EIGEN_COMP_GNUC_STRICT && (!defined __AVX__) 184 template<> EIGEN_STRONG_INLINE Packet4f pload1<Packet4f>(
const float *from) {
185 return vec4f_swizzle1(_mm_load_ss(from),0,0,0,0);
189 template<> EIGEN_STRONG_INLINE Packet4f plset<Packet4f>(
const float& a) {
return _mm_add_ps(pset1<Packet4f>(a), _mm_set_ps(3,2,1,0)); }
190 template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(
const double& a) {
return _mm_add_pd(pset1<Packet2d>(a),_mm_set_pd(1,0)); }
191 template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(
const int& a) {
return _mm_add_epi32(pset1<Packet4i>(a),_mm_set_epi32(3,2,1,0)); }
193 template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_add_ps(a,b); }
194 template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_add_pd(a,b); }
195 template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_add_epi32(a,b); }
197 template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_sub_ps(a,b); }
198 template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_sub_pd(a,b); }
199 template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_sub_epi32(a,b); }
201 template<> EIGEN_STRONG_INLINE Packet4f pnegate(
const Packet4f& a)
203 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));
204 return _mm_xor_ps(a,mask);
206 template<> EIGEN_STRONG_INLINE Packet2d pnegate(
const Packet2d& a)
208 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));
209 return _mm_xor_pd(a,mask);
211 template<> EIGEN_STRONG_INLINE Packet4i pnegate(
const Packet4i& a)
213 return psub(Packet4i(_mm_setr_epi32(0,0,0,0)), a);
216 template<> EIGEN_STRONG_INLINE Packet4f pconj(
const Packet4f& a) {
return a; }
217 template<> EIGEN_STRONG_INLINE Packet2d pconj(
const Packet2d& a) {
return a; }
218 template<> EIGEN_STRONG_INLINE Packet4i pconj(
const Packet4i& a) {
return a; }
220 template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_mul_ps(a,b); }
221 template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_mul_pd(a,b); }
222 template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(
const Packet4i& a,
const Packet4i& b)
224 #ifdef EIGEN_VECTORIZE_SSE4_1 225 return _mm_mullo_epi32(a,b);
228 return vec4i_swizzle1(
231 _mm_mul_epu32(vec4i_swizzle1(a,1,0,3,2),
232 vec4i_swizzle1(b,1,0,3,2)),
238 template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_div_ps(a,b); }
239 template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_div_pd(a,b); }
242 template<> EIGEN_STRONG_INLINE Packet4i pmadd(
const Packet4i& a,
const Packet4i& b,
const Packet4i& c) {
return padd(pmul(a,b), c); }
244 template<> EIGEN_STRONG_INLINE Packet4f pmadd(
const Packet4f& a,
const Packet4f& b,
const Packet4f& c) {
return _mm_fmadd_ps(a,b,c); }
245 template<> EIGEN_STRONG_INLINE Packet2d pmadd(
const Packet2d& a,
const Packet2d& b,
const Packet2d& c) {
return _mm_fmadd_pd(a,b,c); }
248 template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_min_ps(a,b); }
249 template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_min_pd(a,b); }
250 template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(
const Packet4i& a,
const Packet4i& b)
252 #ifdef EIGEN_VECTORIZE_SSE4_1 253 return _mm_min_epi32(a,b);
256 Packet4i mask = _mm_cmplt_epi32(a,b);
257 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
261 template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_max_ps(a,b); }
262 template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_max_pd(a,b); }
263 template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(
const Packet4i& a,
const Packet4i& b)
265 #ifdef EIGEN_VECTORIZE_SSE4_1 266 return _mm_max_epi32(a,b);
269 Packet4i mask = _mm_cmpgt_epi32(a,b);
270 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
274 #ifdef EIGEN_VECTORIZE_SSE4_1 275 template<> EIGEN_STRONG_INLINE Packet4f pround<Packet4f>(
const Packet4f& a) {
return _mm_round_ps(a, 0); }
276 template<> EIGEN_STRONG_INLINE Packet2d pround<Packet2d>(
const Packet2d& a) {
return _mm_round_pd(a, 0); }
278 template<> EIGEN_STRONG_INLINE Packet4f pceil<Packet4f>(
const Packet4f& a) {
return _mm_ceil_ps(a); }
279 template<> EIGEN_STRONG_INLINE Packet2d pceil<Packet2d>(
const Packet2d& a) {
return _mm_ceil_pd(a); }
281 template<> EIGEN_STRONG_INLINE Packet4f pfloor<Packet4f>(
const Packet4f& a) {
return _mm_floor_ps(a); }
282 template<> EIGEN_STRONG_INLINE Packet2d pfloor<Packet2d>(
const Packet2d& a) {
return _mm_floor_pd(a); }
285 template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_and_ps(a,b); }
286 template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_and_pd(a,b); }
287 template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_and_si128(a,b); }
289 template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_or_ps(a,b); }
290 template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_or_pd(a,b); }
291 template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_or_si128(a,b); }
293 template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_xor_ps(a,b); }
294 template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_xor_pd(a,b); }
295 template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_xor_si128(a,b); }
297 template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_andnot_ps(a,b); }
298 template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_andnot_pd(a,b); }
299 template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_andnot_si128(a,b); }
301 template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(
const float* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_ps(from); }
302 template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(
const double* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_pd(from); }
303 template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(
const int* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_si128(reinterpret_cast<const __m128i*>(from)); }
306 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from) {
307 EIGEN_DEBUG_UNALIGNED_LOAD
308 #if (EIGEN_COMP_MSVC==1600) 311 __m128 res = _mm_loadl_pi(_mm_set1_ps(0.0f), (
const __m64*)(from));
312 res = _mm_loadh_pi(res, (
const __m64*)(from+2));
315 return _mm_loadu_ps(from);
321 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from)
323 EIGEN_DEBUG_UNALIGNED_LOAD
324 return _mm_loadu_ps(from);
328 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from)
330 EIGEN_DEBUG_UNALIGNED_LOAD
331 return _mm_loadu_pd(from);
333 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from)
335 EIGEN_DEBUG_UNALIGNED_LOAD
336 return _mm_loadu_si128(reinterpret_cast<const __m128i*>(from));
340 template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(
const float* from)
342 return vec4f_swizzle1(_mm_castpd_ps(_mm_load_sd(reinterpret_cast<const double*>(from))), 0, 0, 1, 1);
344 template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(
const double* from)
345 {
return pset1<Packet2d>(from[0]); }
346 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(
const int* from)
349 tmp = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(from));
350 return vec4i_swizzle1(tmp, 0, 0, 1, 1);
353 template<> EIGEN_STRONG_INLINE
void pstore<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_ps(to, from); }
354 template<> EIGEN_STRONG_INLINE
void pstore<double>(
double* to,
const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }
355 template<> EIGEN_STRONG_INLINE
void pstore<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_si128(reinterpret_cast<__m128i*>(to), from); }
357 template<> EIGEN_STRONG_INLINE
void pstoreu<double>(
double* to,
const Packet2d& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_pd(to, from); }
358 template<> EIGEN_STRONG_INLINE
void pstoreu<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_ps(to, from); }
359 template<> EIGEN_STRONG_INLINE
void pstoreu<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_si128(reinterpret_cast<__m128i*>(to), from); }
361 template<> EIGEN_DEVICE_FUNC
inline Packet4f pgather<float, Packet4f>(
const float* from,
Index stride)
363 return _mm_set_ps(from[3*stride], from[2*stride], from[1*stride], from[0*stride]);
365 template<> EIGEN_DEVICE_FUNC
inline Packet2d pgather<double, Packet2d>(
const double* from,
Index stride)
367 return _mm_set_pd(from[1*stride], from[0*stride]);
369 template<> EIGEN_DEVICE_FUNC
inline Packet4i pgather<int, Packet4i>(
const int* from,
Index stride)
371 return _mm_set_epi32(from[3*stride], from[2*stride], from[1*stride], from[0*stride]);
374 template<> EIGEN_DEVICE_FUNC
inline void pscatter<float, Packet4f>(
float* to,
const Packet4f& from,
Index stride)
376 to[stride*0] = _mm_cvtss_f32(from);
377 to[stride*1] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 1));
378 to[stride*2] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 2));
379 to[stride*3] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 3));
381 template<> EIGEN_DEVICE_FUNC
inline void pscatter<double, Packet2d>(
double* to,
const Packet2d& from,
Index stride)
383 to[stride*0] = _mm_cvtsd_f64(from);
384 to[stride*1] = _mm_cvtsd_f64(_mm_shuffle_pd(from, from, 1));
386 template<> EIGEN_DEVICE_FUNC
inline void pscatter<int, Packet4i>(
int* to,
const Packet4i& from,
Index stride)
388 to[stride*0] = _mm_cvtsi128_si32(from);
389 to[stride*1] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 1));
390 to[stride*2] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 2));
391 to[stride*3] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 3));
395 template<> EIGEN_STRONG_INLINE
void pstore1<Packet4f>(
float* to,
const float& a)
397 Packet4f pa = _mm_set_ss(a);
398 pstore(to, Packet4f(vec4f_swizzle1(pa,0,0,0,0)));
401 template<> EIGEN_STRONG_INLINE
void pstore1<Packet2d>(
double* to,
const double& a)
403 Packet2d pa = _mm_set_sd(a);
404 pstore(to, Packet2d(vec2d_swizzle1(pa,0,0)));
407 #ifndef EIGEN_VECTORIZE_AVX 408 template<> EIGEN_STRONG_INLINE
void prefetch<float>(
const float* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
409 template<> EIGEN_STRONG_INLINE
void prefetch<double>(
const double* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
410 template<> EIGEN_STRONG_INLINE
void prefetch<int>(
const int* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
413 #if EIGEN_COMP_MSVC_STRICT && EIGEN_OS_WIN64 416 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return a.m128_f32[0]; }
417 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return a.m128d_f64[0]; }
418 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
419 #elif EIGEN_COMP_MSVC_STRICT 421 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
float x = _mm_cvtss_f32(a);
return x; }
422 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
double x = _mm_cvtsd_f64(a);
return x; }
423 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
425 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return _mm_cvtss_f32(a); }
426 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return _mm_cvtsd_f64(a); }
427 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
return _mm_cvtsi128_si32(a); }
430 template<> EIGEN_STRONG_INLINE Packet4f preverse(
const Packet4f& a)
431 {
return _mm_shuffle_ps(a,a,0x1B); }
432 template<> EIGEN_STRONG_INLINE Packet2d preverse(
const Packet2d& a)
433 {
return _mm_shuffle_pd(a,a,0x1); }
434 template<> EIGEN_STRONG_INLINE Packet4i preverse(
const Packet4i& a)
435 {
return _mm_shuffle_epi32(a,0x1B); }
437 template<> EIGEN_STRONG_INLINE Packet4f pabs(
const Packet4f& a)
439 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF));
440 return _mm_and_ps(a,mask);
442 template<> EIGEN_STRONG_INLINE Packet2d pabs(
const Packet2d& a)
444 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF));
445 return _mm_and_pd(a,mask);
447 template<> EIGEN_STRONG_INLINE Packet4i pabs(
const Packet4i& a)
449 #ifdef EIGEN_VECTORIZE_SSSE3 450 return _mm_abs_epi32(a);
452 Packet4i aux = _mm_srai_epi32(a,31);
453 return _mm_sub_epi32(_mm_xor_si128(a,aux),aux);
459 template<> EIGEN_STRONG_INLINE
void 460 pbroadcast4<Packet4f>(
const float *a,
461 Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
463 a3 = pload<Packet4f>(a);
464 a0 = vec4f_swizzle1(a3, 0,0,0,0);
465 a1 = vec4f_swizzle1(a3, 1,1,1,1);
466 a2 = vec4f_swizzle1(a3, 2,2,2,2);
467 a3 = vec4f_swizzle1(a3, 3,3,3,3);
469 template<> EIGEN_STRONG_INLINE
void 470 pbroadcast4<Packet2d>(
const double *a,
471 Packet2d& a0, Packet2d& a1, Packet2d& a2, Packet2d& a3)
473 #ifdef EIGEN_VECTORIZE_SSE3 474 a0 = _mm_loaddup_pd(a+0);
475 a1 = _mm_loaddup_pd(a+1);
476 a2 = _mm_loaddup_pd(a+2);
477 a3 = _mm_loaddup_pd(a+3);
479 a1 = pload<Packet2d>(a);
480 a0 = vec2d_swizzle1(a1, 0,0);
481 a1 = vec2d_swizzle1(a1, 1,1);
482 a3 = pload<Packet2d>(a+2);
483 a2 = vec2d_swizzle1(a3, 0,0);
484 a3 = vec2d_swizzle1(a3, 1,1);
489 EIGEN_STRONG_INLINE
void punpackp(Packet4f* vecs)
491 vecs[1] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x55));
492 vecs[2] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xAA));
493 vecs[3] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xFF));
494 vecs[0] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x00));
497 #ifdef EIGEN_VECTORIZE_SSE3 498 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
500 return _mm_hadd_ps(_mm_hadd_ps(vecs[0], vecs[1]),_mm_hadd_ps(vecs[2], vecs[3]));
502 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
504 return _mm_hadd_pd(vecs[0], vecs[1]);
507 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
509 Packet4f tmp0 = _mm_hadd_ps(a,a);
510 return pfirst<Packet4f>(_mm_hadd_ps(tmp0, tmp0));
513 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a) {
return pfirst<Packet2d>(_mm_hadd_pd(a, a)); }
516 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
518 Packet4f tmp = _mm_add_ps(a, _mm_movehl_ps(a,a));
519 return pfirst<Packet4f>(_mm_add_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
521 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a)
523 return pfirst<Packet2d>(_mm_add_sd(a, _mm_unpackhi_pd(a,a)));
526 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
528 Packet4f tmp0, tmp1, tmp2;
529 tmp0 = _mm_unpacklo_ps(vecs[0], vecs[1]);
530 tmp1 = _mm_unpackhi_ps(vecs[0], vecs[1]);
531 tmp2 = _mm_unpackhi_ps(vecs[2], vecs[3]);
532 tmp0 = _mm_add_ps(tmp0, tmp1);
533 tmp1 = _mm_unpacklo_ps(vecs[2], vecs[3]);
534 tmp1 = _mm_add_ps(tmp1, tmp2);
535 tmp2 = _mm_movehl_ps(tmp1, tmp0);
536 tmp0 = _mm_movelh_ps(tmp0, tmp1);
537 return _mm_add_ps(tmp0, tmp2);
540 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
542 return _mm_add_pd(_mm_unpacklo_pd(vecs[0], vecs[1]), _mm_unpackhi_pd(vecs[0], vecs[1]));
547 #ifdef EIGEN_VECTORIZE_SSSE3 548 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
550 return _mm_hadd_epi32(_mm_hadd_epi32(vecs[0], vecs[1]),_mm_hadd_epi32(vecs[2], vecs[3]));
552 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
554 Packet4i tmp0 = _mm_hadd_epi32(a,a);
555 return pfirst<Packet4i>(_mm_hadd_epi32(tmp0,tmp0));
558 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
560 Packet4i tmp = _mm_add_epi32(a, _mm_unpackhi_epi64(a,a));
561 return pfirst(tmp) + pfirst<Packet4i>(_mm_shuffle_epi32(tmp, 1));
564 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
566 Packet4i tmp0, tmp1, tmp2;
567 tmp0 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
568 tmp1 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
569 tmp2 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
570 tmp0 = _mm_add_epi32(tmp0, tmp1);
571 tmp1 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
572 tmp1 = _mm_add_epi32(tmp1, tmp2);
573 tmp2 = _mm_unpacklo_epi64(tmp0, tmp1);
574 tmp0 = _mm_unpackhi_epi64(tmp0, tmp1);
575 return _mm_add_epi32(tmp0, tmp2);
581 template<> EIGEN_STRONG_INLINE
float predux_mul<Packet4f>(
const Packet4f& a)
583 Packet4f tmp = _mm_mul_ps(a, _mm_movehl_ps(a,a));
584 return pfirst<Packet4f>(_mm_mul_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
586 template<> EIGEN_STRONG_INLINE
double predux_mul<Packet2d>(
const Packet2d& a)
588 return pfirst<Packet2d>(_mm_mul_sd(a, _mm_unpackhi_pd(a,a)));
590 template<> EIGEN_STRONG_INLINE
int predux_mul<Packet4i>(
const Packet4i& a)
595 EIGEN_ALIGN16
int aux[4];
597 return (aux[0] * aux[1]) * (aux[2] * aux[3]);;
601 template<> EIGEN_STRONG_INLINE
float predux_min<Packet4f>(
const Packet4f& a)
603 Packet4f tmp = _mm_min_ps(a, _mm_movehl_ps(a,a));
604 return pfirst<Packet4f>(_mm_min_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
606 template<> EIGEN_STRONG_INLINE
double predux_min<Packet2d>(
const Packet2d& a)
608 return pfirst<Packet2d>(_mm_min_sd(a, _mm_unpackhi_pd(a,a)));
610 template<> EIGEN_STRONG_INLINE
int predux_min<Packet4i>(
const Packet4i& a)
612 #ifdef EIGEN_VECTORIZE_SSE4_1 613 Packet4i tmp = _mm_min_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
614 return pfirst<Packet4i>(_mm_min_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
618 EIGEN_ALIGN16
int aux[4];
620 int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
621 int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
622 return aux0<aux2 ? aux0 : aux2;
623 #endif // EIGEN_VECTORIZE_SSE4_1 627 template<> EIGEN_STRONG_INLINE
float predux_max<Packet4f>(
const Packet4f& a)
629 Packet4f tmp = _mm_max_ps(a, _mm_movehl_ps(a,a));
630 return pfirst<Packet4f>(_mm_max_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
632 template<> EIGEN_STRONG_INLINE
double predux_max<Packet2d>(
const Packet2d& a)
634 return pfirst<Packet2d>(_mm_max_sd(a, _mm_unpackhi_pd(a,a)));
636 template<> EIGEN_STRONG_INLINE
int predux_max<Packet4i>(
const Packet4i& a)
638 #ifdef EIGEN_VECTORIZE_SSE4_1 639 Packet4i tmp = _mm_max_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
640 return pfirst<Packet4i>(_mm_max_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
644 EIGEN_ALIGN16
int aux[4];
646 int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
647 int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
648 return aux0>aux2 ? aux0 : aux2;
649 #endif // EIGEN_VECTORIZE_SSE4_1 667 #ifdef EIGEN_VECTORIZE_SSSE3 670 struct palign_impl<Offset,Packet4f>
672 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
675 first = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(second), _mm_castps_si128(first), Offset*4));
680 struct palign_impl<Offset,Packet4i>
682 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
685 first = _mm_alignr_epi8(second,first, Offset*4);
690 struct palign_impl<Offset,Packet2d>
692 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
695 first = _mm_castsi128_pd(_mm_alignr_epi8(_mm_castpd_si128(second), _mm_castpd_si128(first), 8));
701 struct palign_impl<Offset,Packet4f>
703 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
707 first = _mm_move_ss(first,second);
708 first = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(first),0x39));
712 first = _mm_movehl_ps(first,first);
713 first = _mm_movelh_ps(first,second);
717 first = _mm_move_ss(first,second);
718 first = _mm_shuffle_ps(first,second,0x93);
724 struct palign_impl<Offset,Packet4i>
726 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
730 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
731 first = _mm_shuffle_epi32(first,0x39);
735 first = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(first)));
736 first = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
740 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
741 first = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second),0x93));
747 struct palign_impl<Offset,Packet2d>
749 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
753 first = _mm_castps_pd(_mm_movehl_ps(_mm_castpd_ps(first),_mm_castpd_ps(first)));
754 first = _mm_castps_pd(_mm_movelh_ps(_mm_castpd_ps(first),_mm_castpd_ps(second)));
760 EIGEN_DEVICE_FUNC
inline void 761 ptranspose(PacketBlock<Packet4f,4>& kernel) {
762 _MM_TRANSPOSE4_PS(kernel.packet[0], kernel.packet[1], kernel.packet[2], kernel.packet[3]);
765 EIGEN_DEVICE_FUNC
inline void 766 ptranspose(PacketBlock<Packet2d,2>& kernel) {
767 __m128d tmp = _mm_unpackhi_pd(kernel.packet[0], kernel.packet[1]);
768 kernel.packet[0] = _mm_unpacklo_pd(kernel.packet[0], kernel.packet[1]);
769 kernel.packet[1] = tmp;
772 EIGEN_DEVICE_FUNC
inline void 773 ptranspose(PacketBlock<Packet4i,4>& kernel) {
774 __m128i T0 = _mm_unpacklo_epi32(kernel.packet[0], kernel.packet[1]);
775 __m128i T1 = _mm_unpacklo_epi32(kernel.packet[2], kernel.packet[3]);
776 __m128i T2 = _mm_unpackhi_epi32(kernel.packet[0], kernel.packet[1]);
777 __m128i T3 = _mm_unpackhi_epi32(kernel.packet[2], kernel.packet[3]);
779 kernel.packet[0] = _mm_unpacklo_epi64(T0, T1);
780 kernel.packet[1] = _mm_unpackhi_epi64(T0, T1);
781 kernel.packet[2] = _mm_unpacklo_epi64(T2, T3);
782 kernel.packet[3] = _mm_unpackhi_epi64(T2, T3);
785 template<> EIGEN_STRONG_INLINE Packet4i pblend(
const Selector<4>& ifPacket,
const Packet4i& thenPacket,
const Packet4i& elsePacket) {
786 const __m128i zero = _mm_setzero_si128();
787 const __m128i select = _mm_set_epi32(ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]);
788 __m128i false_mask = _mm_cmpeq_epi32(select, zero);
789 #ifdef EIGEN_VECTORIZE_SSE4_1 790 return _mm_blendv_epi8(thenPacket, elsePacket, false_mask);
792 return _mm_or_si128(_mm_andnot_si128(false_mask, thenPacket), _mm_and_si128(false_mask, elsePacket));
795 template<> EIGEN_STRONG_INLINE Packet4f pblend(
const Selector<4>& ifPacket,
const Packet4f& thenPacket,
const Packet4f& elsePacket) {
796 const __m128 zero = _mm_setzero_ps();
797 const __m128 select = _mm_set_ps(ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]);
798 __m128 false_mask = _mm_cmpeq_ps(select, zero);
799 #ifdef EIGEN_VECTORIZE_SSE4_1 800 return _mm_blendv_ps(thenPacket, elsePacket, false_mask);
802 return _mm_or_ps(_mm_andnot_ps(false_mask, thenPacket), _mm_and_ps(false_mask, elsePacket));
805 template<> EIGEN_STRONG_INLINE Packet2d pblend(
const Selector<2>& ifPacket,
const Packet2d& thenPacket,
const Packet2d& elsePacket) {
806 const __m128d zero = _mm_setzero_pd();
807 const __m128d select = _mm_set_pd(ifPacket.select[1], ifPacket.select[0]);
808 __m128d false_mask = _mm_cmpeq_pd(select, zero);
809 #ifdef EIGEN_VECTORIZE_SSE4_1 810 return _mm_blendv_pd(thenPacket, elsePacket, false_mask);
812 return _mm_or_pd(_mm_andnot_pd(false_mask, thenPacket), _mm_and_pd(false_mask, elsePacket));
820 #endif // EIGEN_PACKET_MATH_SSE_H Definition: Constants.h:230
Namespace containing all symbols from the Eigen library.
Definition: Core:271
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
Definition: XprHelper.h:35
Definition: Eigen_Colamd.h:50