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,
114 #ifdef EIGEN_VECTORIZE_SSE4_1 122 template<>
struct packet_traits<double> : default_packet_traits
124 typedef Packet2d type;
125 typedef Packet2d half;
138 #ifdef EIGEN_VECTORIZE_SSE4_1 147 template<>
struct packet_traits<int> : default_packet_traits
149 typedef Packet4i type;
150 typedef Packet4i half;
160 template<>
struct unpacket_traits<Packet4f> {
typedef float type;
enum {size=4, alignment=
Aligned16};
typedef Packet4f half; };
161 template<>
struct unpacket_traits<Packet2d> {
typedef double type;
enum {size=2, alignment=
Aligned16};
typedef Packet2d half; };
162 template<>
struct unpacket_traits<Packet4i> {
typedef int type;
enum {size=4, alignment=
Aligned16};
typedef Packet4i half; };
164 #if EIGEN_COMP_MSVC==1500 168 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set_ps(from,from,from,from); }
169 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set_pd(from,from); }
170 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set_epi32(from,from,from,from); }
172 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set_ps1(from); }
173 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set1_pd(from); }
174 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set1_epi32(from); }
182 #if EIGEN_COMP_GNUC_STRICT && (!defined __AVX__) 183 template<> EIGEN_STRONG_INLINE Packet4f pload1<Packet4f>(
const float *from) {
184 return vec4f_swizzle1(_mm_load_ss(from),0,0,0,0);
188 template<> EIGEN_STRONG_INLINE Packet4f plset<Packet4f>(
const float& a) {
return _mm_add_ps(pset1<Packet4f>(a), _mm_set_ps(3,2,1,0)); }
189 template<> EIGEN_STRONG_INLINE Packet2d plset<Packet2d>(
const double& a) {
return _mm_add_pd(pset1<Packet2d>(a),_mm_set_pd(1,0)); }
190 template<> EIGEN_STRONG_INLINE Packet4i plset<Packet4i>(
const int& a) {
return _mm_add_epi32(pset1<Packet4i>(a),_mm_set_epi32(3,2,1,0)); }
192 template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_add_ps(a,b); }
193 template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_add_pd(a,b); }
194 template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_add_epi32(a,b); }
196 template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_sub_ps(a,b); }
197 template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_sub_pd(a,b); }
198 template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_sub_epi32(a,b); }
200 template<> EIGEN_STRONG_INLINE Packet4f pnegate(
const Packet4f& a)
202 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));
203 return _mm_xor_ps(a,mask);
205 template<> EIGEN_STRONG_INLINE Packet2d pnegate(
const Packet2d& a)
207 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));
208 return _mm_xor_pd(a,mask);
210 template<> EIGEN_STRONG_INLINE Packet4i pnegate(
const Packet4i& a)
212 return psub(Packet4i(_mm_setr_epi32(0,0,0,0)), a);
215 template<> EIGEN_STRONG_INLINE Packet4f pconj(
const Packet4f& a) {
return a; }
216 template<> EIGEN_STRONG_INLINE Packet2d pconj(
const Packet2d& a) {
return a; }
217 template<> EIGEN_STRONG_INLINE Packet4i pconj(
const Packet4i& a) {
return a; }
219 template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_mul_ps(a,b); }
220 template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_mul_pd(a,b); }
221 template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(
const Packet4i& a,
const Packet4i& b)
223 #ifdef EIGEN_VECTORIZE_SSE4_1 224 return _mm_mullo_epi32(a,b);
227 return vec4i_swizzle1(
230 _mm_mul_epu32(vec4i_swizzle1(a,1,0,3,2),
231 vec4i_swizzle1(b,1,0,3,2)),
237 template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_div_ps(a,b); }
238 template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_div_pd(a,b); }
241 template<> EIGEN_STRONG_INLINE Packet4i pmadd(
const Packet4i& a,
const Packet4i& b,
const Packet4i& c) {
return padd(pmul(a,b), c); }
243 template<> EIGEN_STRONG_INLINE Packet4f pmadd(
const Packet4f& a,
const Packet4f& b,
const Packet4f& c) {
return _mm_fmadd_ps(a,b,c); }
244 template<> EIGEN_STRONG_INLINE Packet2d pmadd(
const Packet2d& a,
const Packet2d& b,
const Packet2d& c) {
return _mm_fmadd_pd(a,b,c); }
247 template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_min_ps(a,b); }
248 template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_min_pd(a,b); }
249 template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(
const Packet4i& a,
const Packet4i& b)
251 #ifdef EIGEN_VECTORIZE_SSE4_1 252 return _mm_min_epi32(a,b);
255 Packet4i mask = _mm_cmplt_epi32(a,b);
256 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
260 template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_max_ps(a,b); }
261 template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_max_pd(a,b); }
262 template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(
const Packet4i& a,
const Packet4i& b)
264 #ifdef EIGEN_VECTORIZE_SSE4_1 265 return _mm_max_epi32(a,b);
268 Packet4i mask = _mm_cmpgt_epi32(a,b);
269 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
273 #ifdef EIGEN_VECTORIZE_SSE4_1 274 template<> EIGEN_STRONG_INLINE Packet4f pround<Packet4f>(
const Packet4f& a) {
return _mm_round_ps(a, 0); }
275 template<> EIGEN_STRONG_INLINE Packet2d pround<Packet2d>(
const Packet2d& a) {
return _mm_round_pd(a, 0); }
277 template<> EIGEN_STRONG_INLINE Packet4f pceil<Packet4f>(
const Packet4f& a) {
return _mm_ceil_ps(a); }
278 template<> EIGEN_STRONG_INLINE Packet2d pceil<Packet2d>(
const Packet2d& a) {
return _mm_ceil_pd(a); }
280 template<> EIGEN_STRONG_INLINE Packet4f pfloor<Packet4f>(
const Packet4f& a) {
return _mm_floor_ps(a); }
281 template<> EIGEN_STRONG_INLINE Packet2d pfloor<Packet2d>(
const Packet2d& a) {
return _mm_floor_pd(a); }
284 template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_and_ps(a,b); }
285 template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_and_pd(a,b); }
286 template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_and_si128(a,b); }
288 template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_or_ps(a,b); }
289 template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_or_pd(a,b); }
290 template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_or_si128(a,b); }
292 template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_xor_ps(a,b); }
293 template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_xor_pd(a,b); }
294 template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_xor_si128(a,b); }
296 template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_andnot_ps(a,b); }
297 template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_andnot_pd(a,b); }
298 template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_andnot_si128(a,b); }
300 template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(
const float* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_ps(from); }
301 template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(
const double* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_pd(from); }
302 template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(
const int* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_si128(reinterpret_cast<const __m128i*>(from)); }
305 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from) {
306 EIGEN_DEBUG_UNALIGNED_LOAD
307 #if (EIGEN_COMP_MSVC==1600) 310 __m128 res = _mm_loadl_pi(_mm_set1_ps(0.0f), (
const __m64*)(from));
311 res = _mm_loadh_pi(res, (
const __m64*)(from+2));
314 return _mm_loadu_ps(from);
317 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from) { EIGEN_DEBUG_UNALIGNED_LOAD
return _mm_loadu_pd(from); }
318 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD
return _mm_loadu_si128(reinterpret_cast<const __m128i*>(from)); }
322 #if EIGEN_COMP_GNUC && (EIGEN_ARCH_i386 || (EIGEN_ARCH_x86_64 && EIGEN_GNUC_AT_LEAST(4, 8))) 324 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1 325 #elif EIGEN_COMP_CLANG 327 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1 329 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 0 332 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from)
334 EIGEN_DEBUG_UNALIGNED_LOAD
335 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 336 return _mm_loadu_ps(from);
339 res = _mm_load_sd((
const double*)(from)) ;
340 res = _mm_loadh_pd(res, (
const double*)(from+2)) ;
341 return _mm_castpd_ps(res);
344 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from)
346 EIGEN_DEBUG_UNALIGNED_LOAD
347 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 348 return _mm_loadu_pd(from);
351 res = _mm_load_sd(from) ;
352 res = _mm_loadh_pd(res,from+1);
356 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from)
358 EIGEN_DEBUG_UNALIGNED_LOAD
359 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 360 return _mm_loadu_si128(reinterpret_cast<const __m128i*>(from));
363 res = _mm_load_sd((
const double*)(from)) ;
364 res = _mm_loadh_pd(res, (
const double*)(from+2)) ;
365 return _mm_castpd_si128(res);
370 template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(
const float* from)
372 return vec4f_swizzle1(_mm_castpd_ps(_mm_load_sd(reinterpret_cast<const double*>(from))), 0, 0, 1, 1);
374 template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(
const double* from)
375 {
return pset1<Packet2d>(from[0]); }
376 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(
const int* from)
379 tmp = _mm_loadl_epi64(reinterpret_cast<const __m128i*>(from));
380 return vec4i_swizzle1(tmp, 0, 0, 1, 1);
383 template<> EIGEN_STRONG_INLINE
void pstore<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_ps(to, from); }
384 template<> EIGEN_STRONG_INLINE
void pstore<double>(
double* to,
const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }
385 template<> EIGEN_STRONG_INLINE
void pstore<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_si128(reinterpret_cast<__m128i*>(to), from); }
387 template<> EIGEN_STRONG_INLINE
void pstoreu<double>(
double* to,
const Packet2d& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_pd(to, from); }
388 template<> EIGEN_STRONG_INLINE
void pstoreu<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_ps(to, from); }
389 template<> EIGEN_STRONG_INLINE
void pstoreu<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_UNALIGNED_STORE _mm_storeu_si128(reinterpret_cast<__m128i*>(to), from); }
391 template<> EIGEN_DEVICE_FUNC
inline Packet4f pgather<float, Packet4f>(
const float* from, Index stride)
393 return _mm_set_ps(from[3*stride], from[2*stride], from[1*stride], from[0*stride]);
395 template<> EIGEN_DEVICE_FUNC
inline Packet2d pgather<double, Packet2d>(
const double* from, Index stride)
397 return _mm_set_pd(from[1*stride], from[0*stride]);
399 template<> EIGEN_DEVICE_FUNC
inline Packet4i pgather<int, Packet4i>(
const int* from, Index stride)
401 return _mm_set_epi32(from[3*stride], from[2*stride], from[1*stride], from[0*stride]);
404 template<> EIGEN_DEVICE_FUNC
inline void pscatter<float, Packet4f>(
float* to,
const Packet4f& from, Index stride)
406 to[stride*0] = _mm_cvtss_f32(from);
407 to[stride*1] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 1));
408 to[stride*2] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 2));
409 to[stride*3] = _mm_cvtss_f32(_mm_shuffle_ps(from, from, 3));
411 template<> EIGEN_DEVICE_FUNC
inline void pscatter<double, Packet2d>(
double* to,
const Packet2d& from, Index stride)
413 to[stride*0] = _mm_cvtsd_f64(from);
414 to[stride*1] = _mm_cvtsd_f64(_mm_shuffle_pd(from, from, 1));
416 template<> EIGEN_DEVICE_FUNC
inline void pscatter<int, Packet4i>(
int* to,
const Packet4i& from, Index stride)
418 to[stride*0] = _mm_cvtsi128_si32(from);
419 to[stride*1] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 1));
420 to[stride*2] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 2));
421 to[stride*3] = _mm_cvtsi128_si32(_mm_shuffle_epi32(from, 3));
425 template<> EIGEN_STRONG_INLINE
void pstore1<Packet4f>(
float* to,
const float& a)
427 Packet4f pa = _mm_set_ss(a);
428 pstore(to, Packet4f(vec4f_swizzle1(pa,0,0,0,0)));
431 template<> EIGEN_STRONG_INLINE
void pstore1<Packet2d>(
double* to,
const double& a)
433 Packet2d pa = _mm_set_sd(a);
434 pstore(to, Packet2d(vec2d_swizzle1(pa,0,0)));
437 #ifndef EIGEN_VECTORIZE_AVX 438 template<> EIGEN_STRONG_INLINE
void prefetch<float>(
const float* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
439 template<> EIGEN_STRONG_INLINE
void prefetch<double>(
const double* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
440 template<> EIGEN_STRONG_INLINE
void prefetch<int>(
const int* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
443 #if EIGEN_COMP_MSVC_STRICT && EIGEN_OS_WIN64 446 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return a.m128_f32[0]; }
447 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return a.m128d_f64[0]; }
448 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
449 #elif EIGEN_COMP_MSVC_STRICT 451 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
float x = _mm_cvtss_f32(a);
return x; }
452 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
double x = _mm_cvtsd_f64(a);
return x; }
453 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
455 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return _mm_cvtss_f32(a); }
456 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return _mm_cvtsd_f64(a); }
457 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
return _mm_cvtsi128_si32(a); }
460 template<> EIGEN_STRONG_INLINE Packet4f preverse(
const Packet4f& a)
461 {
return _mm_shuffle_ps(a,a,0x1B); }
462 template<> EIGEN_STRONG_INLINE Packet2d preverse(
const Packet2d& a)
463 {
return _mm_shuffle_pd(a,a,0x1); }
464 template<> EIGEN_STRONG_INLINE Packet4i preverse(
const Packet4i& a)
465 {
return _mm_shuffle_epi32(a,0x1B); }
467 template<
size_t offset>
468 struct protate_impl<offset, Packet4f>
470 static Packet4f run(
const Packet4f& a) {
471 return vec4f_swizzle1(a, offset, (offset + 1) % 4, (offset + 2) % 4, (offset + 3) % 4);
475 template<
size_t offset>
476 struct protate_impl<offset, Packet4i>
478 static Packet4i run(
const Packet4i& a) {
479 return vec4i_swizzle1(a, offset, (offset + 1) % 4, (offset + 2) % 4, (offset + 3) % 4);
483 template<
size_t offset>
484 struct protate_impl<offset, Packet2d>
486 static Packet2d run(
const Packet2d& a) {
487 return vec2d_swizzle1(a, offset, (offset + 1) % 2);
491 template<> EIGEN_STRONG_INLINE Packet4f pabs(
const Packet4f& a)
493 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF));
494 return _mm_and_ps(a,mask);
496 template<> EIGEN_STRONG_INLINE Packet2d pabs(
const Packet2d& a)
498 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF));
499 return _mm_and_pd(a,mask);
501 template<> EIGEN_STRONG_INLINE Packet4i pabs(
const Packet4i& a)
503 #ifdef EIGEN_VECTORIZE_SSSE3 504 return _mm_abs_epi32(a);
506 Packet4i aux = _mm_srai_epi32(a,31);
507 return _mm_sub_epi32(_mm_xor_si128(a,aux),aux);
513 template<> EIGEN_STRONG_INLINE
void 514 pbroadcast4<Packet4f>(
const float *a,
515 Packet4f& a0, Packet4f& a1, Packet4f& a2, Packet4f& a3)
517 a3 = pload<Packet4f>(a);
518 a0 = vec4f_swizzle1(a3, 0,0,0,0);
519 a1 = vec4f_swizzle1(a3, 1,1,1,1);
520 a2 = vec4f_swizzle1(a3, 2,2,2,2);
521 a3 = vec4f_swizzle1(a3, 3,3,3,3);
523 template<> EIGEN_STRONG_INLINE
void 524 pbroadcast4<Packet2d>(
const double *a,
525 Packet2d& a0, Packet2d& a1, Packet2d& a2, Packet2d& a3)
527 #ifdef EIGEN_VECTORIZE_SSE3 528 a0 = _mm_loaddup_pd(a+0);
529 a1 = _mm_loaddup_pd(a+1);
530 a2 = _mm_loaddup_pd(a+2);
531 a3 = _mm_loaddup_pd(a+3);
533 a1 = pload<Packet2d>(a);
534 a0 = vec2d_swizzle1(a1, 0,0);
535 a1 = vec2d_swizzle1(a1, 1,1);
536 a3 = pload<Packet2d>(a+2);
537 a2 = vec2d_swizzle1(a3, 0,0);
538 a3 = vec2d_swizzle1(a3, 1,1);
543 EIGEN_STRONG_INLINE
void punpackp(Packet4f* vecs)
545 vecs[1] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x55));
546 vecs[2] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xAA));
547 vecs[3] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xFF));
548 vecs[0] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x00));
551 #ifdef EIGEN_VECTORIZE_SSE3 552 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
554 return _mm_hadd_ps(_mm_hadd_ps(vecs[0], vecs[1]),_mm_hadd_ps(vecs[2], vecs[3]));
556 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
558 return _mm_hadd_pd(vecs[0], vecs[1]);
561 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
563 Packet4f tmp0 = _mm_hadd_ps(a,a);
564 return pfirst<Packet4f>(_mm_hadd_ps(tmp0, tmp0));
567 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a) {
return pfirst<Packet2d>(_mm_hadd_pd(a, a)); }
570 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
572 Packet4f tmp = _mm_add_ps(a, _mm_movehl_ps(a,a));
573 return pfirst<Packet4f>(_mm_add_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
575 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a)
577 return pfirst<Packet2d>(_mm_add_sd(a, _mm_unpackhi_pd(a,a)));
580 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
582 Packet4f tmp0, tmp1, tmp2;
583 tmp0 = _mm_unpacklo_ps(vecs[0], vecs[1]);
584 tmp1 = _mm_unpackhi_ps(vecs[0], vecs[1]);
585 tmp2 = _mm_unpackhi_ps(vecs[2], vecs[3]);
586 tmp0 = _mm_add_ps(tmp0, tmp1);
587 tmp1 = _mm_unpacklo_ps(vecs[2], vecs[3]);
588 tmp1 = _mm_add_ps(tmp1, tmp2);
589 tmp2 = _mm_movehl_ps(tmp1, tmp0);
590 tmp0 = _mm_movelh_ps(tmp0, tmp1);
591 return _mm_add_ps(tmp0, tmp2);
594 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
596 return _mm_add_pd(_mm_unpacklo_pd(vecs[0], vecs[1]), _mm_unpackhi_pd(vecs[0], vecs[1]));
601 #ifdef EIGEN_VECTORIZE_SSSE3 602 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
604 return _mm_hadd_epi32(_mm_hadd_epi32(vecs[0], vecs[1]),_mm_hadd_epi32(vecs[2], vecs[3]));
606 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
608 Packet4i tmp0 = _mm_hadd_epi32(a,a);
609 return pfirst<Packet4i>(_mm_hadd_epi32(tmp0,tmp0));
612 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
614 Packet4i tmp = _mm_add_epi32(a, _mm_unpackhi_epi64(a,a));
615 return pfirst(tmp) + pfirst<Packet4i>(_mm_shuffle_epi32(tmp, 1));
618 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
620 Packet4i tmp0, tmp1, tmp2;
621 tmp0 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
622 tmp1 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
623 tmp2 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
624 tmp0 = _mm_add_epi32(tmp0, tmp1);
625 tmp1 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
626 tmp1 = _mm_add_epi32(tmp1, tmp2);
627 tmp2 = _mm_unpacklo_epi64(tmp0, tmp1);
628 tmp0 = _mm_unpackhi_epi64(tmp0, tmp1);
629 return _mm_add_epi32(tmp0, tmp2);
635 template<> EIGEN_STRONG_INLINE
float predux_mul<Packet4f>(
const Packet4f& a)
637 Packet4f tmp = _mm_mul_ps(a, _mm_movehl_ps(a,a));
638 return pfirst<Packet4f>(_mm_mul_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
640 template<> EIGEN_STRONG_INLINE
double predux_mul<Packet2d>(
const Packet2d& a)
642 return pfirst<Packet2d>(_mm_mul_sd(a, _mm_unpackhi_pd(a,a)));
644 template<> EIGEN_STRONG_INLINE
int predux_mul<Packet4i>(
const Packet4i& a)
649 EIGEN_ALIGN16
int aux[4];
651 return (aux[0] * aux[1]) * (aux[2] * aux[3]);;
655 template<> EIGEN_STRONG_INLINE
float predux_min<Packet4f>(
const Packet4f& a)
657 Packet4f tmp = _mm_min_ps(a, _mm_movehl_ps(a,a));
658 return pfirst<Packet4f>(_mm_min_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
660 template<> EIGEN_STRONG_INLINE
double predux_min<Packet2d>(
const Packet2d& a)
662 return pfirst<Packet2d>(_mm_min_sd(a, _mm_unpackhi_pd(a,a)));
664 template<> EIGEN_STRONG_INLINE
int predux_min<Packet4i>(
const Packet4i& a)
666 #ifdef EIGEN_VECTORIZE_SSE4_1 667 Packet4i tmp = _mm_min_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
668 return pfirst<Packet4i>(_mm_min_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
672 EIGEN_ALIGN16
int aux[4];
674 int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
675 int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
676 return aux0<aux2 ? aux0 : aux2;
677 #endif // EIGEN_VECTORIZE_SSE4_1 681 template<> EIGEN_STRONG_INLINE
float predux_max<Packet4f>(
const Packet4f& a)
683 Packet4f tmp = _mm_max_ps(a, _mm_movehl_ps(a,a));
684 return pfirst<Packet4f>(_mm_max_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
686 template<> EIGEN_STRONG_INLINE
double predux_max<Packet2d>(
const Packet2d& a)
688 return pfirst<Packet2d>(_mm_max_sd(a, _mm_unpackhi_pd(a,a)));
690 template<> EIGEN_STRONG_INLINE
int predux_max<Packet4i>(
const Packet4i& a)
692 #ifdef EIGEN_VECTORIZE_SSE4_1 693 Packet4i tmp = _mm_max_epi32(a, _mm_shuffle_epi32(a, _MM_SHUFFLE(0,0,3,2)));
694 return pfirst<Packet4i>(_mm_max_epi32(tmp,_mm_shuffle_epi32(tmp, 1)));
698 EIGEN_ALIGN16
int aux[4];
700 int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
701 int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
702 return aux0>aux2 ? aux0 : aux2;
703 #endif // EIGEN_VECTORIZE_SSE4_1 721 #ifdef EIGEN_VECTORIZE_SSSE3 724 struct palign_impl<Offset,Packet4f>
726 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
729 first = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(second), _mm_castps_si128(first), Offset*4));
734 struct palign_impl<Offset,Packet4i>
736 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
739 first = _mm_alignr_epi8(second,first, Offset*4);
744 struct palign_impl<Offset,Packet2d>
746 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
749 first = _mm_castsi128_pd(_mm_alignr_epi8(_mm_castpd_si128(second), _mm_castpd_si128(first), 8));
755 struct palign_impl<Offset,Packet4f>
757 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
761 first = _mm_move_ss(first,second);
762 first = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(first),0x39));
766 first = _mm_movehl_ps(first,first);
767 first = _mm_movelh_ps(first,second);
771 first = _mm_move_ss(first,second);
772 first = _mm_shuffle_ps(first,second,0x93);
778 struct palign_impl<Offset,Packet4i>
780 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
784 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
785 first = _mm_shuffle_epi32(first,0x39);
789 first = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(first)));
790 first = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
794 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
795 first = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second),0x93));
801 struct palign_impl<Offset,Packet2d>
803 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
807 first = _mm_castps_pd(_mm_movehl_ps(_mm_castpd_ps(first),_mm_castpd_ps(first)));
808 first = _mm_castps_pd(_mm_movelh_ps(_mm_castpd_ps(first),_mm_castpd_ps(second)));
814 EIGEN_DEVICE_FUNC
inline void 815 ptranspose(PacketBlock<Packet4f,4>& kernel) {
816 _MM_TRANSPOSE4_PS(kernel.packet[0], kernel.packet[1], kernel.packet[2], kernel.packet[3]);
819 EIGEN_DEVICE_FUNC
inline void 820 ptranspose(PacketBlock<Packet2d,2>& kernel) {
821 __m128d tmp = _mm_unpackhi_pd(kernel.packet[0], kernel.packet[1]);
822 kernel.packet[0] = _mm_unpacklo_pd(kernel.packet[0], kernel.packet[1]);
823 kernel.packet[1] = tmp;
826 EIGEN_DEVICE_FUNC
inline void 827 ptranspose(PacketBlock<Packet4i,4>& kernel) {
828 __m128i T0 = _mm_unpacklo_epi32(kernel.packet[0], kernel.packet[1]);
829 __m128i T1 = _mm_unpacklo_epi32(kernel.packet[2], kernel.packet[3]);
830 __m128i T2 = _mm_unpackhi_epi32(kernel.packet[0], kernel.packet[1]);
831 __m128i T3 = _mm_unpackhi_epi32(kernel.packet[2], kernel.packet[3]);
833 kernel.packet[0] = _mm_unpacklo_epi64(T0, T1);
834 kernel.packet[1] = _mm_unpackhi_epi64(T0, T1);
835 kernel.packet[2] = _mm_unpacklo_epi64(T2, T3);
836 kernel.packet[3] = _mm_unpackhi_epi64(T2, T3);
839 template<> EIGEN_STRONG_INLINE Packet4i pblend(
const Selector<4>& ifPacket,
const Packet4i& thenPacket,
const Packet4i& elsePacket) {
840 const __m128i zero = _mm_setzero_si128();
841 const __m128i select = _mm_set_epi32(ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]);
842 __m128i false_mask = _mm_cmpeq_epi32(select, zero);
843 #ifdef EIGEN_VECTORIZE_SSE4_1 844 return _mm_blendv_epi8(thenPacket, elsePacket, false_mask);
846 return _mm_or_si128(_mm_andnot_si128(false_mask, thenPacket), _mm_and_si128(false_mask, elsePacket));
849 template<> EIGEN_STRONG_INLINE Packet4f pblend(
const Selector<4>& ifPacket,
const Packet4f& thenPacket,
const Packet4f& elsePacket) {
850 const __m128 zero = _mm_setzero_ps();
851 const __m128 select = _mm_set_ps(ifPacket.select[3], ifPacket.select[2], ifPacket.select[1], ifPacket.select[0]);
852 __m128 false_mask = _mm_cmpeq_ps(select, zero);
853 #ifdef EIGEN_VECTORIZE_SSE4_1 854 return _mm_blendv_ps(thenPacket, elsePacket, false_mask);
856 return _mm_or_ps(_mm_andnot_ps(false_mask, thenPacket), _mm_and_ps(false_mask, elsePacket));
859 template<> EIGEN_STRONG_INLINE Packet2d pblend(
const Selector<2>& ifPacket,
const Packet2d& thenPacket,
const Packet2d& elsePacket) {
860 const __m128d zero = _mm_setzero_pd();
861 const __m128d select = _mm_set_pd(ifPacket.select[1], ifPacket.select[0]);
862 __m128d false_mask = _mm_cmpeq_pd(select, zero);
863 #ifdef EIGEN_VECTORIZE_SSE4_1 864 return _mm_blendv_pd(thenPacket, elsePacket, false_mask);
866 return _mm_or_pd(_mm_andnot_pd(false_mask, thenPacket), _mm_and_pd(false_mask, elsePacket));
874 #endif // EIGEN_PACKET_MATH_SSE_H Definition: Constants.h:230
Definition: Eigen_Colamd.h:54