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00010 #ifndef EIGEN_PACKET_MATH_SSE_H
00011 #define EIGEN_PACKET_MATH_SSE_H
00012
00013 namespace Eigen {
00014
00015 namespace internal {
00016
00017 #ifndef EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD
00018 #define EIGEN_CACHEFRIENDLY_PRODUCT_THRESHOLD 8
00019 #endif
00020
00021 #ifndef EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS
00022 #define EIGEN_ARCH_DEFAULT_NUMBER_OF_REGISTERS (2*sizeof(void*))
00023 #endif
00024
00025 typedef __m128 Packet4f;
00026 typedef __m128i Packet4i;
00027 typedef __m128d Packet2d;
00028
00029 template<> struct is_arithmetic<__m128> { enum { value = true }; };
00030 template<> struct is_arithmetic<__m128i> { enum { value = true }; };
00031 template<> struct is_arithmetic<__m128d> { enum { value = true }; };
00032
00033 #define vec4f_swizzle1(v,p,q,r,s) \
00034 (_mm_castsi128_ps(_mm_shuffle_epi32( _mm_castps_si128(v), ((s)<<6|(r)<<4|(q)<<2|(p)))))
00035
00036 #define vec4i_swizzle1(v,p,q,r,s) \
00037 (_mm_shuffle_epi32( v, ((s)<<6|(r)<<4|(q)<<2|(p))))
00038
00039 #define vec2d_swizzle1(v,p,q) \
00040 (_mm_castsi128_pd(_mm_shuffle_epi32( _mm_castpd_si128(v), ((q*2+1)<<6|(q*2)<<4|(p*2+1)<<2|(p*2)))))
00041
00042 #define vec4f_swizzle2(a,b,p,q,r,s) \
00043 (_mm_shuffle_ps( (a), (b), ((s)<<6|(r)<<4|(q)<<2|(p))))
00044
00045 #define vec4i_swizzle2(a,b,p,q,r,s) \
00046 (_mm_castps_si128( (_mm_shuffle_ps( _mm_castsi128_ps(a), _mm_castsi128_ps(b), ((s)<<6|(r)<<4|(q)<<2|(p))))))
00047
00048 #define _EIGEN_DECLARE_CONST_Packet4f(NAME,X) \
00049 const Packet4f p4f_##NAME = pset1<Packet4f>(X)
00050
00051 #define _EIGEN_DECLARE_CONST_Packet2d(NAME,X) \
00052 const Packet2d p2d_##NAME = pset1<Packet2d>(X)
00053
00054 #define _EIGEN_DECLARE_CONST_Packet4f_FROM_INT(NAME,X) \
00055 const Packet4f p4f_##NAME = _mm_castsi128_ps(pset1<Packet4i>(X))
00056
00057 #define _EIGEN_DECLARE_CONST_Packet4i(NAME,X) \
00058 const Packet4i p4i_##NAME = pset1<Packet4i>(X)
00059
00060
00061 template<> struct packet_traits<float> : default_packet_traits
00062 {
00063 typedef Packet4f type;
00064 enum {
00065 Vectorizable = 1,
00066 AlignedOnScalar = 1,
00067 size=4,
00068
00069 HasDiv = 1,
00070 HasSin = EIGEN_FAST_MATH,
00071 HasCos = EIGEN_FAST_MATH,
00072 HasLog = 1,
00073 HasExp = 1,
00074 HasSqrt = 1
00075 };
00076 };
00077 template<> struct packet_traits<double> : default_packet_traits
00078 {
00079 typedef Packet2d type;
00080 enum {
00081 Vectorizable = 1,
00082 AlignedOnScalar = 1,
00083 size=2,
00084
00085 HasDiv = 1,
00086 HasExp = 1
00087 };
00088 };
00089 template<> struct packet_traits<int> : default_packet_traits
00090 {
00091 typedef Packet4i type;
00092 enum {
00093
00094 Vectorizable = 1,
00095 AlignedOnScalar = 1,
00096 size=4
00097 };
00098 };
00099
00100 template<> struct unpacket_traits<Packet4f> { typedef float type; enum {size=4}; };
00101 template<> struct unpacket_traits<Packet2d> { typedef double type; enum {size=2}; };
00102 template<> struct unpacket_traits<Packet4i> { typedef int type; enum {size=4}; };
00103
00104 #if defined(_MSC_VER) && (_MSC_VER==1500)
00105
00106
00107
00108 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) { return _mm_set_ps(from,from,from,from); }
00109 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) { return _mm_set_pd(from,from); }
00110 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) { return _mm_set_epi32(from,from,from,from); }
00111 #else
00112 template<> EIGEN_STRONG_INLINE Packet4f pset1<Packet4f>(const float& from) { return _mm_set1_ps(from); }
00113 template<> EIGEN_STRONG_INLINE Packet2d pset1<Packet2d>(const double& from) { return _mm_set1_pd(from); }
00114 template<> EIGEN_STRONG_INLINE Packet4i pset1<Packet4i>(const int& from) { return _mm_set1_epi32(from); }
00115 #endif
00116
00117 template<> EIGEN_STRONG_INLINE Packet4f plset<float>(const float& a) { return _mm_add_ps(pset1<Packet4f>(a), _mm_set_ps(3,2,1,0)); }
00118 template<> EIGEN_STRONG_INLINE Packet2d plset<double>(const double& a) { return _mm_add_pd(pset1<Packet2d>(a),_mm_set_pd(1,0)); }
00119 template<> EIGEN_STRONG_INLINE Packet4i plset<int>(const int& a) { return _mm_add_epi32(pset1<Packet4i>(a),_mm_set_epi32(3,2,1,0)); }
00120
00121 template<> EIGEN_STRONG_INLINE Packet4f padd<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_add_ps(a,b); }
00122 template<> EIGEN_STRONG_INLINE Packet2d padd<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_add_pd(a,b); }
00123 template<> EIGEN_STRONG_INLINE Packet4i padd<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_add_epi32(a,b); }
00124
00125 template<> EIGEN_STRONG_INLINE Packet4f psub<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_sub_ps(a,b); }
00126 template<> EIGEN_STRONG_INLINE Packet2d psub<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_sub_pd(a,b); }
00127 template<> EIGEN_STRONG_INLINE Packet4i psub<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_sub_epi32(a,b); }
00128
00129 template<> EIGEN_STRONG_INLINE Packet4f pnegate(const Packet4f& a)
00130 {
00131 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x80000000,0x80000000,0x80000000,0x80000000));
00132 return _mm_xor_ps(a,mask);
00133 }
00134 template<> EIGEN_STRONG_INLINE Packet2d pnegate(const Packet2d& a)
00135 {
00136 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0x0,0x80000000,0x0,0x80000000));
00137 return _mm_xor_pd(a,mask);
00138 }
00139 template<> EIGEN_STRONG_INLINE Packet4i pnegate(const Packet4i& a)
00140 {
00141 return psub(_mm_setr_epi32(0,0,0,0), a);
00142 }
00143
00144 template<> EIGEN_STRONG_INLINE Packet4f pconj(const Packet4f& a) { return a; }
00145 template<> EIGEN_STRONG_INLINE Packet2d pconj(const Packet2d& a) { return a; }
00146 template<> EIGEN_STRONG_INLINE Packet4i pconj(const Packet4i& a) { return a; }
00147
00148 template<> EIGEN_STRONG_INLINE Packet4f pmul<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_mul_ps(a,b); }
00149 template<> EIGEN_STRONG_INLINE Packet2d pmul<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_mul_pd(a,b); }
00150 template<> EIGEN_STRONG_INLINE Packet4i pmul<Packet4i>(const Packet4i& a, const Packet4i& b)
00151 {
00152 #ifdef EIGEN_VECTORIZE_SSE4_1
00153 return _mm_mullo_epi32(a,b);
00154 #else
00155
00156 return vec4i_swizzle1(
00157 vec4i_swizzle2(
00158 _mm_mul_epu32(a,b),
00159 _mm_mul_epu32(vec4i_swizzle1(a,1,0,3,2),
00160 vec4i_swizzle1(b,1,0,3,2)),
00161 0,2,0,2),
00162 0,2,1,3);
00163 #endif
00164 }
00165
00166 template<> EIGEN_STRONG_INLINE Packet4f pdiv<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_div_ps(a,b); }
00167 template<> EIGEN_STRONG_INLINE Packet2d pdiv<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_div_pd(a,b); }
00168 template<> EIGEN_STRONG_INLINE Packet4i pdiv<Packet4i>(const Packet4i& , const Packet4i& )
00169 { eigen_assert(false && "packet integer division are not supported by SSE");
00170 return pset1<Packet4i>(0);
00171 }
00172
00173
00174 template<> EIGEN_STRONG_INLINE Packet4i pmadd(const Packet4i& a, const Packet4i& b, const Packet4i& c) { return padd(pmul(a,b), c); }
00175
00176 template<> EIGEN_STRONG_INLINE Packet4f pmin<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_min_ps(a,b); }
00177 template<> EIGEN_STRONG_INLINE Packet2d pmin<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_min_pd(a,b); }
00178 template<> EIGEN_STRONG_INLINE Packet4i pmin<Packet4i>(const Packet4i& a, const Packet4i& b)
00179 {
00180 #ifdef EIGEN_VECTORIZE_SSE4_1
00181 return _mm_min_epi32(a,b);
00182 #else
00183
00184 Packet4i mask = _mm_cmplt_epi32(a,b);
00185 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
00186 #endif
00187 }
00188
00189 template<> EIGEN_STRONG_INLINE Packet4f pmax<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_max_ps(a,b); }
00190 template<> EIGEN_STRONG_INLINE Packet2d pmax<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_max_pd(a,b); }
00191 template<> EIGEN_STRONG_INLINE Packet4i pmax<Packet4i>(const Packet4i& a, const Packet4i& b)
00192 {
00193 #ifdef EIGEN_VECTORIZE_SSE4_1
00194 return _mm_max_epi32(a,b);
00195 #else
00196
00197 Packet4i mask = _mm_cmpgt_epi32(a,b);
00198 return _mm_or_si128(_mm_and_si128(mask,a),_mm_andnot_si128(mask,b));
00199 #endif
00200 }
00201
00202 template<> EIGEN_STRONG_INLINE Packet4f pand<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_and_ps(a,b); }
00203 template<> EIGEN_STRONG_INLINE Packet2d pand<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_and_pd(a,b); }
00204 template<> EIGEN_STRONG_INLINE Packet4i pand<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_and_si128(a,b); }
00205
00206 template<> EIGEN_STRONG_INLINE Packet4f por<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_or_ps(a,b); }
00207 template<> EIGEN_STRONG_INLINE Packet2d por<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_or_pd(a,b); }
00208 template<> EIGEN_STRONG_INLINE Packet4i por<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_or_si128(a,b); }
00209
00210 template<> EIGEN_STRONG_INLINE Packet4f pxor<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_xor_ps(a,b); }
00211 template<> EIGEN_STRONG_INLINE Packet2d pxor<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_xor_pd(a,b); }
00212 template<> EIGEN_STRONG_INLINE Packet4i pxor<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_xor_si128(a,b); }
00213
00214 template<> EIGEN_STRONG_INLINE Packet4f pandnot<Packet4f>(const Packet4f& a, const Packet4f& b) { return _mm_andnot_ps(a,b); }
00215 template<> EIGEN_STRONG_INLINE Packet2d pandnot<Packet2d>(const Packet2d& a, const Packet2d& b) { return _mm_andnot_pd(a,b); }
00216 template<> EIGEN_STRONG_INLINE Packet4i pandnot<Packet4i>(const Packet4i& a, const Packet4i& b) { return _mm_andnot_si128(a,b); }
00217
00218 template<> EIGEN_STRONG_INLINE Packet4f pload<Packet4f>(const float* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm_load_ps(from); }
00219 template<> EIGEN_STRONG_INLINE Packet2d pload<Packet2d>(const double* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm_load_pd(from); }
00220 template<> EIGEN_STRONG_INLINE Packet4i pload<Packet4i>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm_load_si128(reinterpret_cast<const Packet4i*>(from)); }
00221
00222 #if defined(_MSC_VER)
00223 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from) {
00224 EIGEN_DEBUG_UNALIGNED_LOAD
00225 #if (_MSC_VER==1600)
00226
00227
00228
00229
00230 __m128 res = _mm_loadl_pi(_mm_set1_ps(0.0f), (const __m64*)(from));
00231 res = _mm_loadh_pi(res, (const __m64*)(from+2));
00232 return res;
00233 #else
00234 return _mm_loadu_ps(from);
00235 #endif
00236 }
00237 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm_loadu_pd(from); }
00238 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); }
00239 #else
00240
00241
00242
00243
00244
00245
00246
00247 #if defined(__GNUC__) && defined(__i386__)
00248
00249 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1
00250 #elif defined(__clang__)
00251
00252 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 1
00253 #else
00254 #define EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS 0
00255 #endif
00256
00257 template<> EIGEN_STRONG_INLINE Packet4f ploadu<Packet4f>(const float* from)
00258 {
00259 EIGEN_DEBUG_UNALIGNED_LOAD
00260 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
00261 return _mm_loadu_ps(from);
00262 #else
00263 __m128d res;
00264 res = _mm_load_sd((const double*)(from)) ;
00265 res = _mm_loadh_pd(res, (const double*)(from+2)) ;
00266 return _mm_castpd_ps(res);
00267 #endif
00268 }
00269 template<> EIGEN_STRONG_INLINE Packet2d ploadu<Packet2d>(const double* from)
00270 {
00271 EIGEN_DEBUG_UNALIGNED_LOAD
00272 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
00273 return _mm_loadu_pd(from);
00274 #else
00275 __m128d res;
00276 res = _mm_load_sd(from) ;
00277 res = _mm_loadh_pd(res,from+1);
00278 return res;
00279 #endif
00280 }
00281 template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
00282 {
00283 EIGEN_DEBUG_UNALIGNED_LOAD
00284 #if EIGEN_AVOID_CUSTOM_UNALIGNED_LOADS
00285 return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from));
00286 #else
00287 __m128d res;
00288 res = _mm_load_sd((const double*)(from)) ;
00289 res = _mm_loadh_pd(res, (const double*)(from+2)) ;
00290 return _mm_castpd_si128(res);
00291 #endif
00292 }
00293 #endif
00294
00295 template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(const float* from)
00296 {
00297 return vec4f_swizzle1(_mm_castpd_ps(_mm_load_sd(reinterpret_cast<const double*>(from))), 0, 0, 1, 1);
00298 }
00299 template<> EIGEN_STRONG_INLINE Packet2d ploaddup<Packet2d>(const double* from)
00300 { return pset1<Packet2d>(from[0]); }
00301 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int* from)
00302 {
00303 Packet4i tmp;
00304 tmp = _mm_loadl_epi64(reinterpret_cast<const Packet4i*>(from));
00305 return vec4i_swizzle1(tmp, 0, 0, 1, 1);
00306 }
00307
00308 template<> EIGEN_STRONG_INLINE void pstore<float>(float* to, const Packet4f& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_ps(to, from); }
00309 template<> EIGEN_STRONG_INLINE void pstore<double>(double* to, const Packet2d& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_pd(to, from); }
00310 template<> EIGEN_STRONG_INLINE void pstore<int>(int* to, const Packet4i& from) { EIGEN_DEBUG_ALIGNED_STORE _mm_store_si128(reinterpret_cast<Packet4i*>(to), from); }
00311
00312 template<> EIGEN_STRONG_INLINE void pstoreu<double>(double* to, const Packet2d& from) {
00313 EIGEN_DEBUG_UNALIGNED_STORE
00314 _mm_storel_pd((to), from);
00315 _mm_storeh_pd((to+1), from);
00316 }
00317 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)); }
00318 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)); }
00319
00320
00321 template<> EIGEN_STRONG_INLINE void pstore1<Packet4f>(float* to, const float& a)
00322 {
00323 Packet4f pa = _mm_set_ss(a);
00324 pstore(to, vec4f_swizzle1(pa,0,0,0,0));
00325 }
00326
00327 template<> EIGEN_STRONG_INLINE void pstore1<Packet2d>(double* to, const double& a)
00328 {
00329 Packet2d pa = _mm_set_sd(a);
00330 pstore(to, vec2d_swizzle1(pa,0,0));
00331 }
00332
00333 template<> EIGEN_STRONG_INLINE void prefetch<float>(const float* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); }
00334 template<> EIGEN_STRONG_INLINE void prefetch<double>(const double* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); }
00335 template<> EIGEN_STRONG_INLINE void prefetch<int>(const int* addr) { _mm_prefetch((const char*)(addr), _MM_HINT_T0); }
00336
00337 #if defined(_MSC_VER) && defined(_WIN64) && !defined(__INTEL_COMPILER)
00338
00339
00340 template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { return a.m128_f32[0]; }
00341 template<> EIGEN_STRONG_INLINE double pfirst<Packet2d>(const Packet2d& a) { return a.m128d_f64[0]; }
00342 template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { int x = _mm_cvtsi128_si32(a); return x; }
00343 #elif defined(_MSC_VER) && !defined(__INTEL_COMPILER)
00344
00345 template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { float x = _mm_cvtss_f32(a); return x; }
00346 template<> EIGEN_STRONG_INLINE double pfirst<Packet2d>(const Packet2d& a) { double x = _mm_cvtsd_f64(a); return x; }
00347 template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { int x = _mm_cvtsi128_si32(a); return x; }
00348 #else
00349 template<> EIGEN_STRONG_INLINE float pfirst<Packet4f>(const Packet4f& a) { return _mm_cvtss_f32(a); }
00350 template<> EIGEN_STRONG_INLINE double pfirst<Packet2d>(const Packet2d& a) { return _mm_cvtsd_f64(a); }
00351 template<> EIGEN_STRONG_INLINE int pfirst<Packet4i>(const Packet4i& a) { return _mm_cvtsi128_si32(a); }
00352 #endif
00353
00354 template<> EIGEN_STRONG_INLINE Packet4f preverse(const Packet4f& a)
00355 { return _mm_shuffle_ps(a,a,0x1B); }
00356 template<> EIGEN_STRONG_INLINE Packet2d preverse(const Packet2d& a)
00357 { return _mm_shuffle_pd(a,a,0x1); }
00358 template<> EIGEN_STRONG_INLINE Packet4i preverse(const Packet4i& a)
00359 { return _mm_shuffle_epi32(a,0x1B); }
00360
00361
00362 template<> EIGEN_STRONG_INLINE Packet4f pabs(const Packet4f& a)
00363 {
00364 const Packet4f mask = _mm_castsi128_ps(_mm_setr_epi32(0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF,0x7FFFFFFF));
00365 return _mm_and_ps(a,mask);
00366 }
00367 template<> EIGEN_STRONG_INLINE Packet2d pabs(const Packet2d& a)
00368 {
00369 const Packet2d mask = _mm_castsi128_pd(_mm_setr_epi32(0xFFFFFFFF,0x7FFFFFFF,0xFFFFFFFF,0x7FFFFFFF));
00370 return _mm_and_pd(a,mask);
00371 }
00372 template<> EIGEN_STRONG_INLINE Packet4i pabs(const Packet4i& a)
00373 {
00374 #ifdef EIGEN_VECTORIZE_SSSE3
00375 return _mm_abs_epi32(a);
00376 #else
00377 Packet4i aux = _mm_srai_epi32(a,31);
00378 return _mm_sub_epi32(_mm_xor_si128(a,aux),aux);
00379 #endif
00380 }
00381
00382 EIGEN_STRONG_INLINE void punpackp(Packet4f* vecs)
00383 {
00384 vecs[1] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x55));
00385 vecs[2] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xAA));
00386 vecs[3] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0xFF));
00387 vecs[0] = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(vecs[0]), 0x00));
00388 }
00389
00390 #ifdef EIGEN_VECTORIZE_SSE3
00391
00392 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(const Packet4f* vecs)
00393 {
00394 return _mm_hadd_ps(_mm_hadd_ps(vecs[0], vecs[1]),_mm_hadd_ps(vecs[2], vecs[3]));
00395 }
00396 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(const Packet2d* vecs)
00397 {
00398 return _mm_hadd_pd(vecs[0], vecs[1]);
00399 }
00400
00401
00402
00403
00404
00405
00406 template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
00407 {
00408 Packet4f tmp0 = _mm_hadd_ps(a,a);
00409 return pfirst(_mm_hadd_ps(tmp0, tmp0));
00410 }
00411
00412 template<> EIGEN_STRONG_INLINE double predux<Packet2d>(const Packet2d& a) { return pfirst(_mm_hadd_pd(a, a)); }
00413
00414
00415
00416
00417
00418
00419
00420 #else
00421
00422 template<> EIGEN_STRONG_INLINE float predux<Packet4f>(const Packet4f& a)
00423 {
00424 Packet4f tmp = _mm_add_ps(a, _mm_movehl_ps(a,a));
00425 return pfirst(_mm_add_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
00426 }
00427 template<> EIGEN_STRONG_INLINE double predux<Packet2d>(const Packet2d& a)
00428 {
00429 return pfirst(_mm_add_sd(a, _mm_unpackhi_pd(a,a)));
00430 }
00431
00432 template<> EIGEN_STRONG_INLINE Packet4f preduxp<Packet4f>(const Packet4f* vecs)
00433 {
00434 Packet4f tmp0, tmp1, tmp2;
00435 tmp0 = _mm_unpacklo_ps(vecs[0], vecs[1]);
00436 tmp1 = _mm_unpackhi_ps(vecs[0], vecs[1]);
00437 tmp2 = _mm_unpackhi_ps(vecs[2], vecs[3]);
00438 tmp0 = _mm_add_ps(tmp0, tmp1);
00439 tmp1 = _mm_unpacklo_ps(vecs[2], vecs[3]);
00440 tmp1 = _mm_add_ps(tmp1, tmp2);
00441 tmp2 = _mm_movehl_ps(tmp1, tmp0);
00442 tmp0 = _mm_movelh_ps(tmp0, tmp1);
00443 return _mm_add_ps(tmp0, tmp2);
00444 }
00445
00446 template<> EIGEN_STRONG_INLINE Packet2d preduxp<Packet2d>(const Packet2d* vecs)
00447 {
00448 return _mm_add_pd(_mm_unpacklo_pd(vecs[0], vecs[1]), _mm_unpackhi_pd(vecs[0], vecs[1]));
00449 }
00450 #endif // SSE3
00451
00452 template<> EIGEN_STRONG_INLINE int predux<Packet4i>(const Packet4i& a)
00453 {
00454 Packet4i tmp = _mm_add_epi32(a, _mm_unpackhi_epi64(a,a));
00455 return pfirst(tmp) + pfirst(_mm_shuffle_epi32(tmp, 1));
00456 }
00457
00458 template<> EIGEN_STRONG_INLINE Packet4i preduxp<Packet4i>(const Packet4i* vecs)
00459 {
00460 Packet4i tmp0, tmp1, tmp2;
00461 tmp0 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
00462 tmp1 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
00463 tmp2 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
00464 tmp0 = _mm_add_epi32(tmp0, tmp1);
00465 tmp1 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
00466 tmp1 = _mm_add_epi32(tmp1, tmp2);
00467 tmp2 = _mm_unpacklo_epi64(tmp0, tmp1);
00468 tmp0 = _mm_unpackhi_epi64(tmp0, tmp1);
00469 return _mm_add_epi32(tmp0, tmp2);
00470 }
00471
00472
00473
00474
00475 template<> EIGEN_STRONG_INLINE float predux_mul<Packet4f>(const Packet4f& a)
00476 {
00477 Packet4f tmp = _mm_mul_ps(a, _mm_movehl_ps(a,a));
00478 return pfirst(_mm_mul_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
00479 }
00480 template<> EIGEN_STRONG_INLINE double predux_mul<Packet2d>(const Packet2d& a)
00481 {
00482 return pfirst(_mm_mul_sd(a, _mm_unpackhi_pd(a,a)));
00483 }
00484 template<> EIGEN_STRONG_INLINE int predux_mul<Packet4i>(const Packet4i& a)
00485 {
00486
00487
00488
00489 EIGEN_ALIGN16 int aux[4];
00490 pstore(aux, a);
00491 return (aux[0] * aux[1]) * (aux[2] * aux[3]);;
00492 }
00493
00494
00495 template<> EIGEN_STRONG_INLINE float predux_min<Packet4f>(const Packet4f& a)
00496 {
00497 Packet4f tmp = _mm_min_ps(a, _mm_movehl_ps(a,a));
00498 return pfirst(_mm_min_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
00499 }
00500 template<> EIGEN_STRONG_INLINE double predux_min<Packet2d>(const Packet2d& a)
00501 {
00502 return pfirst(_mm_min_sd(a, _mm_unpackhi_pd(a,a)));
00503 }
00504 template<> EIGEN_STRONG_INLINE int predux_min<Packet4i>(const Packet4i& a)
00505 {
00506
00507
00508 EIGEN_ALIGN16 int aux[4];
00509 pstore(aux, a);
00510 register int aux0 = aux[0]<aux[1] ? aux[0] : aux[1];
00511 register int aux2 = aux[2]<aux[3] ? aux[2] : aux[3];
00512 return aux0<aux2 ? aux0 : aux2;
00513 }
00514
00515
00516 template<> EIGEN_STRONG_INLINE float predux_max<Packet4f>(const Packet4f& a)
00517 {
00518 Packet4f tmp = _mm_max_ps(a, _mm_movehl_ps(a,a));
00519 return pfirst(_mm_max_ss(tmp, _mm_shuffle_ps(tmp,tmp, 1)));
00520 }
00521 template<> EIGEN_STRONG_INLINE double predux_max<Packet2d>(const Packet2d& a)
00522 {
00523 return pfirst(_mm_max_sd(a, _mm_unpackhi_pd(a,a)));
00524 }
00525 template<> EIGEN_STRONG_INLINE int predux_max<Packet4i>(const Packet4i& a)
00526 {
00527
00528
00529 EIGEN_ALIGN16 int aux[4];
00530 pstore(aux, a);
00531 register int aux0 = aux[0]>aux[1] ? aux[0] : aux[1];
00532 register int aux2 = aux[2]>aux[3] ? aux[2] : aux[3];
00533 return aux0>aux2 ? aux0 : aux2;
00534 }
00535
00536 #if (defined __GNUC__)
00537
00538
00539
00540
00541
00542
00543
00544
00545
00546
00547
00548
00549 #endif
00550
00551 #ifdef EIGEN_VECTORIZE_SSSE3
00552
00553 template<int Offset>
00554 struct palign_impl<Offset,Packet4f>
00555 {
00556 static EIGEN_STRONG_INLINE void run(Packet4f& first, const Packet4f& second)
00557 {
00558 if (Offset!=0)
00559 first = _mm_castsi128_ps(_mm_alignr_epi8(_mm_castps_si128(second), _mm_castps_si128(first), Offset*4));
00560 }
00561 };
00562
00563 template<int Offset>
00564 struct palign_impl<Offset,Packet4i>
00565 {
00566 static EIGEN_STRONG_INLINE void run(Packet4i& first, const Packet4i& second)
00567 {
00568 if (Offset!=0)
00569 first = _mm_alignr_epi8(second,first, Offset*4);
00570 }
00571 };
00572
00573 template<int Offset>
00574 struct palign_impl<Offset,Packet2d>
00575 {
00576 static EIGEN_STRONG_INLINE void run(Packet2d& first, const Packet2d& second)
00577 {
00578 if (Offset==1)
00579 first = _mm_castsi128_pd(_mm_alignr_epi8(_mm_castpd_si128(second), _mm_castpd_si128(first), 8));
00580 }
00581 };
00582 #else
00583
00584 template<int Offset>
00585 struct palign_impl<Offset,Packet4f>
00586 {
00587 static EIGEN_STRONG_INLINE void run(Packet4f& first, const Packet4f& second)
00588 {
00589 if (Offset==1)
00590 {
00591 first = _mm_move_ss(first,second);
00592 first = _mm_castsi128_ps(_mm_shuffle_epi32(_mm_castps_si128(first),0x39));
00593 }
00594 else if (Offset==2)
00595 {
00596 first = _mm_movehl_ps(first,first);
00597 first = _mm_movelh_ps(first,second);
00598 }
00599 else if (Offset==3)
00600 {
00601 first = _mm_move_ss(first,second);
00602 first = _mm_shuffle_ps(first,second,0x93);
00603 }
00604 }
00605 };
00606
00607 template<int Offset>
00608 struct palign_impl<Offset,Packet4i>
00609 {
00610 static EIGEN_STRONG_INLINE void run(Packet4i& first, const Packet4i& second)
00611 {
00612 if (Offset==1)
00613 {
00614 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
00615 first = _mm_shuffle_epi32(first,0x39);
00616 }
00617 else if (Offset==2)
00618 {
00619 first = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(first)));
00620 first = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
00621 }
00622 else if (Offset==3)
00623 {
00624 first = _mm_castps_si128(_mm_move_ss(_mm_castsi128_ps(first),_mm_castsi128_ps(second)));
00625 first = _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(first),_mm_castsi128_ps(second),0x93));
00626 }
00627 }
00628 };
00629
00630 template<int Offset>
00631 struct palign_impl<Offset,Packet2d>
00632 {
00633 static EIGEN_STRONG_INLINE void run(Packet2d& first, const Packet2d& second)
00634 {
00635 if (Offset==1)
00636 {
00637 first = _mm_castps_pd(_mm_movehl_ps(_mm_castpd_ps(first),_mm_castpd_ps(first)));
00638 first = _mm_castps_pd(_mm_movelh_ps(_mm_castpd_ps(first),_mm_castpd_ps(second)));
00639 }
00640 }
00641 };
00642 #endif
00643
00644 }
00645
00646 }
00647
00648 #endif // EIGEN_PACKET_MATH_SSE_H