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*))
25 typedef __m128 Packet4f;
26 typedef __m128i Packet4i;
27 typedef __m128d Packet2d;
29 template<>
struct is_arithmetic<__m128> {
enum { value =
true }; };
30 template<>
struct is_arithmetic<__m128i> {
enum { value =
true }; };
31 template<>
struct is_arithmetic<__m128d> {
enum { value =
true }; };
33 #define vec4f_swizzle1(v,p,q,r,s) \
34 (_mm_castsi128_ps(_mm_shuffle_epi32( _mm_castps_si128(v), ((s)<<6|(r)<<4|(q)<<2|(p)))))
36 #define vec4i_swizzle1(v,p,q,r,s) \
37 (_mm_shuffle_epi32( v, ((s)<<6|(r)<<4|(q)<<2|(p))))
39 #define vec2d_swizzle1(v,p,q) \
40 (_mm_castsi128_pd(_mm_shuffle_epi32( _mm_castpd_si128(v), ((q*2+1)<<6|(q*2)<<4|(p*2+1)<<2|(p*2)))))
42 #define vec4f_swizzle2(a,b,p,q,r,s) \
43 (_mm_shuffle_ps( (a), (b), ((s)<<6|(r)<<4|(q)<<2|(p))))
45 #define vec4i_swizzle2(a,b,p,q,r,s) \
46 (_mm_castps_si128( (_mm_shuffle_ps( _mm_castsi128_ps(a), _mm_castsi128_ps(b), ((s)<<6|(r)<<4|(q)<<2|(p))))))
48 #define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \
49 const Packet4f p4f_##NAME = pset1<Packet4f>(X)
51 #define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \
52 const Packet2d p2d_##NAME = pset1<Packet2d>(X)
54 #define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \
55 const Packet4f p4f_##NAME = _mm_castsi128_ps(pset1<Packet4i>(X))
57 #define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \
58 const Packet4i p4i_##NAME = pset1<Packet4i>(X)
61 template<>
struct packet_traits<float> : default_packet_traits
63 typedef Packet4f type;
70 HasSin = EIGEN_FAST_MATH,
71 HasCos = EIGEN_FAST_MATH,
77 template<>
struct packet_traits<double> : default_packet_traits
79 typedef Packet2d type;
89 template<>
struct packet_traits<int> : default_packet_traits
91 typedef Packet4i type;
100 template<>
struct unpacket_traits<Packet4f> {
typedef float type;
enum {size=4}; };
101 template<>
struct unpacket_traits<Packet2d> {
typedef double type;
enum {size=2}; };
102 template<>
struct unpacket_traits<Packet4i> {
typedef int type;
enum {size=4}; };
104 #if defined(_MSC_VER) && (_MSC_VER==1500)
108 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set_ps(from,from,from,from); }
109 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set_pd(from,from); }
110 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set_epi32(from,from,from,from); }
112 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(
const float& from) {
return _mm_set1_ps(from); }
113 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(
const double& from) {
return _mm_set1_pd(from); }
114 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(
const int& from) {
return _mm_set1_epi32(from); }
117 template<> EIGEN_STRONG_INLINE Packet4f plset<float>(
const float& a) {
return _mm_add_ps(pset1<Packet4f>(a), _mm_set_ps(3,2,1,0)); }
118 template<> EIGEN_STRONG_INLINE Packet2d plset<double>(
const double& a) {
return _mm_add_pd(pset1<Packet2d>(a),_mm_set_pd(1,0)); }
119 template<> EIGEN_STRONG_INLINE Packet4i plset<int>(
const int& a) {
return _mm_add_epi32(pset1<Packet4i>(a),_mm_set_epi32(3,2,1,0)); }
121 template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_add_ps(a,b); }
122 template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_add_pd(a,b); }
123 template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_add_epi32(a,b); }
125 template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_sub_ps(a,b); }
126 template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_sub_pd(a,b); }
127 template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_sub_epi32(a,b); }
129 template<> EIGEN_STRONG_INLINE Packet4f pnegate(
const Packet4f& a)
131 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));
132 return _mm_xor_ps(a,mask);
134 template<> EIGEN_STRONG_INLINE Packet2d pnegate(
const Packet2d& a)
136 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));
137 return _mm_xor_pd(a,mask);
139 template<> EIGEN_STRONG_INLINE Packet4i pnegate(
const Packet4i& a)
141 return psub(_mm_setr_epi32(0,0,0,0), a);
144 template<> EIGEN_STRONG_INLINE Packet4f pconj(
const Packet4f& a) {
return a; }
145 template<> EIGEN_STRONG_INLINE Packet2d pconj(
const Packet2d& a) {
return a; }
146 template<> EIGEN_STRONG_INLINE Packet4i pconj(
const Packet4i& a) {
return a; }
148 template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_mul_ps(a,b); }
149 template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_mul_pd(a,b); }
150 template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(
const Packet4i& a,
const Packet4i& b)
152 #ifdef EIGEN_VECTORIZE_SSE4_1
153 return _mm_mullo_epi32(a,b);
156 return vec4i_swizzle1(
159 _mm_mul_epu32(vec4i_swizzle1(a,1,0,3,2),
160 vec4i_swizzle1(b,1,0,3,2)),
166 template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_div_ps(a,b); }
167 template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_div_pd(a,b); }
168 template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(
const Packet4i& ,
const Packet4i& )
169 { eigen_assert(
false &&
"packet integer division are not supported by SSE");
170 return pset1<Packet4i>(0);
174 template<> EIGEN_STRONG_INLINE Packet4i pmadd(
const Packet4i& a,
const Packet4i& b,
const Packet4i& c) {
return padd(pmul(a,b), c); }
176 template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_min_ps(a,b); }
177 template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_min_pd(a,b); }
178 template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(
const Packet4i& a,
const Packet4i& b)
180 #ifdef EIGEN_VECTORIZE_SSE4_1
181 return _mm_min_epi32(a,b);
184 Packet4i mask = _mm_cmplt_epi32(a,b);
185 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
189 template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_max_ps(a,b); }
190 template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_max_pd(a,b); }
191 template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(
const Packet4i& a,
const Packet4i& b)
193 #ifdef EIGEN_VECTORIZE_SSE4_1
194 return _mm_max_epi32(a,b);
197 Packet4i mask = _mm_cmpgt_epi32(a,b);
198 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
202 template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_and_ps(a,b); }
203 template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_and_pd(a,b); }
204 template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_and_si128(a,b); }
206 template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_or_ps(a,b); }
207 template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_or_pd(a,b); }
208 template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_or_si128(a,b); }
210 template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_xor_ps(a,b); }
211 template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_xor_pd(a,b); }
212 template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_xor_si128(a,b); }
214 template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(
const Packet4f& a,
const Packet4f& b) {
return _mm_andnot_ps(a,b); }
215 template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(
const Packet2d& a,
const Packet2d& b) {
return _mm_andnot_pd(a,b); }
216 template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(
const Packet4i& a,
const Packet4i& b) {
return _mm_andnot_si128(a,b); }
218 template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(
const float* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_ps(from); }
219 template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(
const double* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_pd(from); }
220 template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(
const int* from) { EIGEN_DEBUG_ALIGNED_LOAD
return _mm_load_si128(reinterpret_cast<const Packet4i*>(from)); }
222 #if defined(_MSC_VER)
223 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from) {
224 EIGEN_DEBUG_UNALIGNED_LOAD
230 __m128 res = _mm_loadl_pi(_mm_set1_ps(0.0f), (
const __m64*)(from));
231 res = _mm_loadh_pi(res, (
const __m64*)(from+2));
234 return _mm_loadu_ps(from);
237 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from) { EIGEN_DEBUG_UNALIGNED_LOAD
return _mm_loadu_pd(from); }
238 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD
return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); }
247 #if defined(__GNUC__) && defined(__i386__)
249 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1
250 #elif defined(__clang__)
252 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1
254 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 0
257 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(
const float* from)
259 EIGEN_DEBUG_UNALIGNED_LOAD
260 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
261 return _mm_loadu_ps(from);
264 res = _mm_load_sd((
const double*)(from)) ;
265 res = _mm_loadh_pd(res, (
const double*)(from+2)) ;
266 return _mm_castpd_ps(res);
269 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(
const double* from)
271 EIGEN_DEBUG_UNALIGNED_LOAD
272 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
273 return _mm_loadu_pd(from);
276 res = _mm_load_sd(from) ;
277 res = _mm_loadh_pd(res,from+1);
281 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(
const int* from)
283 EIGEN_DEBUG_UNALIGNED_LOAD
284 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
285 return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from));
288 res = _mm_load_sd((
const double*)(from)) ;
289 res = _mm_loadh_pd(res, (
const double*)(from+2)) ;
290 return _mm_castpd_si128(res);
295 template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(
const float* from)
297 return vec4f_swizzle1(_mm_castpd_ps(_mm_load_sd(reinterpret_cast<const double*>(from))), 0, 0, 1, 1);
299 template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(
const double* from)
300 {
return pset1<Packet2d>(from[0]); }
301 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(
const int* from)
304 tmp = _mm_loadl_epi64(reinterpret_cast<const Packet4i*>(from));
305 return vec4i_swizzle1(tmp, 0, 0, 1, 1);
308 template<> EIGEN_STRONG_INLINE
void pstore<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_ps(to, from); }
309 template<> EIGEN_STRONG_INLINE
void pstore<double>(
double* to,
const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }
310 template<> EIGEN_STRONG_INLINE
void pstore<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_si128(reinterpret_cast<Packet4i*>(to), from); }
312 template<> EIGEN_STRONG_INLINE
void pstoreu<double>(
double* to,
const Packet2d& from) {
313 EIGEN_DEBUG_UNALIGNED_STORE
314 _mm_storel_pd((to), from);
315 _mm_storeh_pd((to+1), from);
317 template<> EIGEN_STRONG_INLINE
void pstoreu<float>(
float* to,
const Packet4f& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu(reinterpret_cast<double*>(to), _mm_castps_pd(from)); }
318 template<> EIGEN_STRONG_INLINE
void pstoreu<int>(
int* to,
const Packet4i& from) { EIGEN_DEBUG_UNALIGNED_STORE pstoreu(reinterpret_cast<double*>(to), _mm_castsi128_pd(from)); }
321 template<> EIGEN_STRONG_INLINE
void pstore1<Packet4f>(
float* to,
const float& a)
323 Packet4f pa = _mm_set_ss(a);
324 pstore(to, vec4f_swizzle1(pa,0,0,0,0));
327 template<> EIGEN_STRONG_INLINE
void pstore1<Packet2d>(
double* to,
const double& a)
329 Packet2d pa = _mm_set_sd(a);
330 pstore(to, vec2d_swizzle1(pa,0,0));
333 template<> EIGEN_STRONG_INLINE
void prefetch<float>(
const float* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
334 template<> EIGEN_STRONG_INLINE
void prefetch<double>(
const double* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
335 template<> EIGEN_STRONG_INLINE
void prefetch<int>(
const int* addr) { _mm_prefetch((
const char*)(addr), _MM_HINT_T0); }
337 #if defined(_MSC_VER) && defined(_WIN64) && !defined(__INTEL_COMPILER)
340 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return a.m128_f32[0]; }
341 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return a.m128d_f64[0]; }
342 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
343 #elif defined(_MSC_VER) && !defined(__INTEL_COMPILER)
345 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
float x = _mm_cvtss_f32(a);
return x; }
346 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
double x = _mm_cvtsd_f64(a);
return x; }
347 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
int x = _mm_cvtsi128_si32(a);
return x; }
349 template<> EIGEN_STRONG_INLINE
float pfirst<Packet4f>(
const Packet4f& a) {
return _mm_cvtss_f32(a); }
350 template<> EIGEN_STRONG_INLINE
double pfirst<Packet2d>(
const Packet2d& a) {
return _mm_cvtsd_f64(a); }
351 template<> EIGEN_STRONG_INLINE
int pfirst<Packet4i>(
const Packet4i& a) {
return _mm_cvtsi128_si32(a); }
354 template<> EIGEN_STRONG_INLINE Packet4f preverse(
const Packet4f& a)
355 {
return _mm_shuffle_ps(a,a,0x1B); }
356 template<> EIGEN_STRONG_INLINE Packet2d preverse(
const Packet2d& a)
357 {
return _mm_shuffle_pd(a,a,0x1); }
358 template<> EIGEN_STRONG_INLINE Packet4i preverse(
const Packet4i& a)
359 {
return _mm_shuffle_epi32(a,0x1B); }
362 template<> EIGEN_STRONG_INLINE Packet4f pabs(
const Packet4f& a)
364 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF));
365 return _mm_and_ps(a,mask);
367 template<> EIGEN_STRONG_INLINE Packet2d pabs(
const Packet2d& a)
369 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF));
370 return _mm_and_pd(a,mask);
372 template<> EIGEN_STRONG_INLINE Packet4i pabs(
const Packet4i& a)
374 #ifdef EIGEN_VECTORIZE_SSSE3
375 return _mm_abs_epi32(a);
377 Packet4i aux = _mm_srai_epi32(a,31);
378 return _mm_sub_epi32(_mm_xor_si128(a,aux),aux);
382 EIGEN_STRONG_INLINE
void punpackp(Packet4f* vecs)
384 vecs[1] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x55));
385 vecs[2] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xAA));
386 vecs[3] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xFF));
387 vecs[0] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x00));
390 #ifdef EIGEN_VECTORIZE_SSE3
392 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
394 return _mm_hadd_ps(_mm_hadd_ps(vecs[0], vecs[1]),_mm_hadd_ps(vecs[2], vecs[3]));
396 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
398 return _mm_hadd_pd(vecs[0], vecs[1]);
406 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
408 Packet4f tmp0 = _mm_hadd_ps(a,a);
409 return pfirst(_mm_hadd_ps(tmp0, tmp0));
412 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a) {
return pfirst(_mm_hadd_pd(a, a)); }
422 template<> EIGEN_STRONG_INLINE
float predux<Packet4f>(
const Packet4f& a)
424 Packet4f tmp = _mm_add_ps(a, _mm_movehl_ps(a,a));
425 return pfirst(_mm_add_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
427 template<> EIGEN_STRONG_INLINE
double predux<Packet2d>(
const Packet2d& a)
429 return pfirst(_mm_add_sd(a, _mm_unpackhi_pd(a,a)));
432 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(
const Packet4f* vecs)
434 Packet4f tmp0, tmp1, tmp2;
435 tmp0 = _mm_unpacklo_ps(vecs[0], vecs[1]);
436 tmp1 = _mm_unpackhi_ps(vecs[0], vecs[1]);
437 tmp2 = _mm_unpackhi_ps(vecs[2], vecs[3]);
438 tmp0 = _mm_add_ps(tmp0, tmp1);
439 tmp1 = _mm_unpacklo_ps(vecs[2], vecs[3]);
440 tmp1 = _mm_add_ps(tmp1, tmp2);
441 tmp2 = _mm_movehl_ps(tmp1, tmp0);
442 tmp0 = _mm_movelh_ps(tmp0, tmp1);
443 return _mm_add_ps(tmp0, tmp2);
446 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(
const Packet2d* vecs)
448 return _mm_add_pd(_mm_unpacklo_pd(vecs[0], vecs[1]), _mm_unpackhi_pd(vecs[0], vecs[1]));
452 template<> EIGEN_STRONG_INLINE
int predux<Packet4i>(
const Packet4i& a)
454 Packet4i tmp = _mm_add_epi32(a, _mm_unpackhi_epi64(a,a));
455 return pfirst(tmp) + pfirst(_mm_shuffle_epi32(tmp, 1));
458 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(
const Packet4i* vecs)
460 Packet4i tmp0, tmp1, tmp2;
461 tmp0 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
462 tmp1 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
463 tmp2 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
464 tmp0 = _mm_add_epi32(tmp0, tmp1);
465 tmp1 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
466 tmp1 = _mm_add_epi32(tmp1, tmp2);
467 tmp2 = _mm_unpacklo_epi64(tmp0, tmp1);
468 tmp0 = _mm_unpackhi_epi64(tmp0, tmp1);
469 return _mm_add_epi32(tmp0, tmp2);
475 template<> EIGEN_STRONG_INLINE
float predux_mul<Packet4f>(
const Packet4f& a)
477 Packet4f tmp = _mm_mul_ps(a, _mm_movehl_ps(a,a));
478 return pfirst(_mm_mul_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
480 template<> EIGEN_STRONG_INLINE
double predux_mul<Packet2d>(
const Packet2d& a)
482 return pfirst(_mm_mul_sd(a, _mm_unpackhi_pd(a,a)));
484 template<> EIGEN_STRONG_INLINE
int predux_mul<Packet4i>(
const Packet4i& a)
489 EIGEN_ALIGN16
int aux[4];
491 return (aux[0] * aux[1]) * (aux[2] * aux[3]);;
495 template<> EIGEN_STRONG_INLINE
float predux_min<Packet4f>(
const Packet4f& a)
497 Packet4f tmp = _mm_min_ps(a, _mm_movehl_ps(a,a));
498 return pfirst(_mm_min_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
500 template<> EIGEN_STRONG_INLINE
double predux_min<Packet2d>(
const Packet2d& a)
502 return pfirst(_mm_min_sd(a, _mm_unpackhi_pd(a,a)));
504 template<> EIGEN_STRONG_INLINE
int predux_min<Packet4i>(
const Packet4i& a)
508 EIGEN_ALIGN16
int aux[4];
510 register int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
511 register int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
512 return aux0<aux2 ? aux0 : aux2;
516 template<> EIGEN_STRONG_INLINE
float predux_max<Packet4f>(
const Packet4f& a)
518 Packet4f tmp = _mm_max_ps(a, _mm_movehl_ps(a,a));
519 return pfirst(_mm_max_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
521 template<> EIGEN_STRONG_INLINE
double predux_max<Packet2d>(
const Packet2d& a)
523 return pfirst(_mm_max_sd(a, _mm_unpackhi_pd(a,a)));
525 template<> EIGEN_STRONG_INLINE
int predux_max<Packet4i>(
const Packet4i& a)
529 EIGEN_ALIGN16
int aux[4];
531 register int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
532 register int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
533 return aux0>aux2 ? aux0 : aux2;
536 #if (defined __GNUC__)
551 #ifdef EIGEN_VECTORIZE_SSSE3
554 struct palign_impl<Offset,Packet4f>
556 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
559 first = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(second), _mm_castps_si128(first), Offset*4));
564 struct palign_impl<Offset,Packet4i>
566 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
569 first = _mm_alignr_epi8(second,first, Offset*4);
574 struct palign_impl<Offset,Packet2d>
576 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
579 first = _mm_castsi128_pd(_mm_alignr_epi8(_mm_castpd_si128(second), _mm_castpd_si128(first), 8));
585 struct palign_impl<Offset,Packet4f>
587 static EIGEN_STRONG_INLINE
void run(Packet4f& first,
const Packet4f& second)
591 first = _mm_move_ss(first,second);
592 first = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(first),0x39));
596 first = _mm_movehl_ps(first,first);
597 first = _mm_movelh_ps(first,second);
601 first = _mm_move_ss(first,second);
602 first = _mm_shuffle_ps(first,second,0x93);
608 struct palign_impl<Offset,Packet4i>
610 static EIGEN_STRONG_INLINE
void run(Packet4i& first,
const Packet4i& second)
614 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
615 first = _mm_shuffle_epi32(first,0x39);
619 first = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(first)));
620 first = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
624 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
625 first = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second),0x93));
631 struct palign_impl<Offset,Packet2d>
633 static EIGEN_STRONG_INLINE
void run(Packet2d& first,
const Packet2d& second)
637 first = _mm_castps_pd(_mm_movehl_ps(_mm_castpd_ps(first),_mm_castpd_ps(first)));
638 first = _mm_castps_pd(_mm_movelh_ps(_mm_castpd_ps(first),_mm_castpd_ps(second)));
648 #endif // EIGEN_PACKET_MATH_SSE_H