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fvec.h (9964B) - Raw

      1 /**
      2  * This file has no copyright assigned and is placed in the Public Domain.
      3  * This file is part of the mingw-w64 runtime package.
      4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
      5  */
      6 #ifndef _FVEC_H_INCLUDED
      7 #define _FVEC_H_INCLUDED
      8 
      9 #ifndef RC_INVOKED
     10 #ifndef __cplusplus
     11 #error ERROR: This file is only supported in C++ compilations!
     12 #endif
     13 
     14 #include <intrin.h>
     15 #include <assert.h>
     16 #include <crtdefs.h>
     17 
     18 #if defined(_ENABLE_VEC_DEBUG)
     19 #include <iostream>
     20 #endif
     21 
     22 #pragma pack(push,_CRT_PACKING)
     23 
     24 #ifdef __SSE__
     25 
     26 #pragma pack(push,16)
     27 
     28 #define EXPLICIT explicit
     29 
     30 class F32vec4 {
     31 protected:
     32   __m128 vec;
     33 public:
     34   F32vec4() {}
     35   F32vec4(__m128 m) { vec = m;}
     36   F32vec4(float f3,float f2,float f1,float f0) { vec= _mm_set_ps(f3,f2,f1,f0); }
     37   EXPLICIT F32vec4(float f) { vec = _mm_set_ps1(f); }
     38   EXPLICIT F32vec4(double d) { vec = _mm_set_ps1((float) d); }
     39   F32vec4& operator =(float f) { vec = _mm_set_ps1(f); return *this; }
     40   F32vec4& operator =(double d) { vec = _mm_set_ps1((float) d); return *this; }
     41   operator __m128() const { return vec; }
     42   friend F32vec4 operator &(const F32vec4 &a,const F32vec4 &b) { return _mm_and_ps(a,b); }
     43   friend F32vec4 operator |(const F32vec4 &a,const F32vec4 &b) { return _mm_or_ps(a,b); }
     44   friend F32vec4 operator ^(const F32vec4 &a,const F32vec4 &b) { return _mm_xor_ps(a,b); }
     45   friend F32vec4 operator +(const F32vec4 &a,const F32vec4 &b) { return _mm_add_ps(a,b); }
     46   friend F32vec4 operator -(const F32vec4 &a,const F32vec4 &b) { return _mm_sub_ps(a,b); }
     47   friend F32vec4 operator *(const F32vec4 &a,const F32vec4 &b) { return _mm_mul_ps(a,b); }
     48   friend F32vec4 operator /(const F32vec4 &a,const F32vec4 &b) { return _mm_div_ps(a,b); }
     49   F32vec4& operator =(const F32vec4 &a) { vec = a.vec; return *this; }
     50   F32vec4& operator =(const __m128 &avec) { vec = avec; return *this; }
     51   F32vec4& operator +=(F32vec4 &a) { return *this = _mm_add_ps(vec,a); }
     52   F32vec4& operator -=(F32vec4 &a) { return *this = _mm_sub_ps(vec,a); }
     53   F32vec4& operator *=(F32vec4 &a) { return *this = _mm_mul_ps(vec,a); }
     54   F32vec4& operator /=(F32vec4 &a) { return *this = _mm_div_ps(vec,a); }
     55   F32vec4& operator &=(F32vec4 &a) { return *this = _mm_and_ps(vec,a); }
     56   F32vec4& operator |=(F32vec4 &a) { return *this = _mm_or_ps(vec,a); }
     57   F32vec4& operator ^=(F32vec4 &a) { return *this = _mm_xor_ps(vec,a); }
     58   friend float add_horizontal(F32vec4 &a) {
     59     F32vec4 ftemp = _mm_add_ss(a,_mm_add_ss(_mm_shuffle_ps(a,a,1),_mm_add_ss(_mm_shuffle_ps(a,a,2),_mm_shuffle_ps(a,a,3))));
     60     return ftemp[0];
     61   }
     62   friend F32vec4 sqrt(const F32vec4 &a) { return _mm_sqrt_ps(a); }
     63   friend F32vec4 rcp(const F32vec4 &a) { return _mm_rcp_ps(a); }
     64   friend F32vec4 rsqrt(const F32vec4 &a) { return _mm_rsqrt_ps(a); }
     65   friend F32vec4 rcp_nr(const F32vec4 &a) {
     66     F32vec4 Ra0 = _mm_rcp_ps(a);
     67     return _mm_sub_ps(_mm_add_ps(Ra0,Ra0),_mm_mul_ps(_mm_mul_ps(Ra0,a),Ra0));
     68   }
     69   friend F32vec4 rsqrt_nr(const F32vec4 &a) {
     70     static const F32vec4 fvecf0pt5(0.5f);
     71     static const F32vec4 fvecf3pt0(3.0f);
     72     F32vec4 Ra0 = _mm_rsqrt_ps(a);
     73     return (fvecf0pt5 *Ra0) *(fvecf3pt0 - (a *Ra0) *Ra0);
     74 
     75   }
     76 #define Fvec32s4_COMP(op) friend F32vec4 cmp##op (const F32vec4 &a,const F32vec4 &b) { return _mm_cmp##op##_ps(a,b); }
     77   Fvec32s4_COMP(eq)
     78     Fvec32s4_COMP(lt)
     79     Fvec32s4_COMP(le)
     80     Fvec32s4_COMP(gt)
     81     Fvec32s4_COMP(ge)
     82     Fvec32s4_COMP(neq)
     83     Fvec32s4_COMP(nlt)
     84     Fvec32s4_COMP(nle)
     85     Fvec32s4_COMP(ngt)
     86     Fvec32s4_COMP(nge)
     87 #undef Fvec32s4_COMP
     88 
     89     friend F32vec4 simd_min(const F32vec4 &a,const F32vec4 &b) { return _mm_min_ps(a,b); }
     90   friend F32vec4 simd_max(const F32vec4 &a,const F32vec4 &b) { return _mm_max_ps(a,b); }
     91 
     92 #if defined(_ENABLE_VEC_DEBUG)
     93   friend std::ostream & operator<<(std::ostream & os,const F32vec4 &a) {
     94     float *fp = (float*)&a;
     95     os << "[3]:" << *(fp+3)
     96       << " [2]:" << *(fp+2)
     97       << " [1]:" << *(fp+1)
     98       << " [0]:" << *fp;
     99     return os;
    100   }
    101 #endif
    102   const float& operator[](int i) const {
    103     assert((0 <= i) && (i <= 3));
    104     float *fp = (float*)&vec;
    105     return *(fp+i);
    106   }
    107   float& operator[](int i) {
    108     assert((0 <= i) && (i <= 3));
    109     float *fp = (float*)&vec;
    110     return *(fp+i);
    111   }
    112 };
    113 
    114 inline F32vec4 unpack_low(const F32vec4 &a,const F32vec4 &b) { return _mm_unpacklo_ps(a,b); }
    115 inline F32vec4 unpack_high(const F32vec4 &a,const F32vec4 &b) { return _mm_unpackhi_ps(a,b); }
    116 inline int move_mask(const F32vec4 &a) { return _mm_movemask_ps(a); }
    117 inline void loadu(F32vec4 &a,float *p) { a = _mm_loadu_ps(p); }
    118 inline void storeu(float *p,const F32vec4 &a) { _mm_storeu_ps(p,a); }
    119 inline void store_nta(float *p,F32vec4 &a) { _mm_stream_ps(p,a); }
    120 
    121 #define Fvec32s4_SELECT(op) inline F32vec4 select_##op (const F32vec4 &a,const F32vec4 &b,const F32vec4 &c,const F32vec4 &d) { F32vec4 mask = _mm_cmp##op##_ps(a,b); return((mask & c) | F32vec4((_mm_andnot_ps(mask,d)))); }
    122 Fvec32s4_SELECT(eq)
    123 Fvec32s4_SELECT(lt)
    124 Fvec32s4_SELECT(le)
    125 Fvec32s4_SELECT(gt)
    126 Fvec32s4_SELECT(ge)
    127 Fvec32s4_SELECT(neq)
    128 Fvec32s4_SELECT(nlt)
    129 Fvec32s4_SELECT(nle)
    130 Fvec32s4_SELECT(ngt)
    131 Fvec32s4_SELECT(nge)
    132 #undef Fvec32s4_SELECT
    133 
    134 #if 0 /* Commented until required types are defined */
    135 inline Is16vec4 simd_max(const Is16vec4 &a,const Is16vec4 &b) { return _m_pmaxsw(a,b); }
    136 inline Is16vec4 simd_min(const Is16vec4 &a,const Is16vec4 &b) { return _m_pminsw(a,b); }
    137 inline Iu8vec8 simd_max(const Iu8vec8 &a,const Iu8vec8 &b) { return _m_pmaxub(a,b); }
    138 inline Iu8vec8 simd_min(const Iu8vec8 &a,const Iu8vec8 &b) { return _m_pminub(a,b); }
    139 inline Iu16vec4 simd_avg(const Iu16vec4 &a,const Iu16vec4 &b) { return _m_pavgw(a,b); }
    140 inline Iu8vec8 simd_avg(const Iu8vec8 &a,const Iu8vec8 &b) { return _m_pavgb(a,b); }
    141 inline int move_mask(const I8vec8 &a) { return _m_pmovmskb(a); }
    142 inline Iu16vec4 mul_high(const Iu16vec4 &a,const Iu16vec4 &b) { return _m_pmulhuw(a,b); }
    143 inline void mask_move(const I8vec8 &a,const I8vec8 &b,char *addr) { _m_maskmovq(a,b,addr); }
    144 inline void store_nta(__m64 *p,M64 &a) { _mm_stream_pi(p,a); }
    145 inline int F32vec4ToInt(const F32vec4 &a) { return _mm_cvtt_ss2si(a); }
    146 inline Is32vec2 F32vec4ToIs32vec2 (const F32vec4 &a) {
    147   __m64 result;
    148   result = _mm_cvtt_ps2pi(a);
    149   return Is32vec2(result);
    150 }
    151 #endif
    152 
    153 inline F32vec4 IntToF32vec4(const F32vec4 &a,int i) {
    154   __m128 result;
    155   result = _mm_cvt_si2ss(a,i);
    156   return F32vec4(result);
    157 }
    158 
    159 #if 0 /* Commented until required types are defined */
    160 inline F32vec4 Is32vec2ToF32vec4(const F32vec4 &a,const Is32vec2 &b) {
    161   __m128 result;
    162   result = _mm_cvt_pi2ps(a,b);
    163   return F32vec4(result);
    164 }
    165 #endif
    166 
    167 class F32vec1 {
    168 protected:
    169   __m128 vec;
    170 public:
    171   F32vec1() {}
    172   F32vec1(int i) { vec = _mm_cvt_si2ss(vec,i);};
    173   EXPLICIT F32vec1(float f) { vec = _mm_set_ss(f); }
    174   EXPLICIT F32vec1(double d) { vec = _mm_set_ss((float) d); }
    175   F32vec1(__m128 m) { vec = m; }
    176   operator __m128() const { return vec; }
    177   friend F32vec1 operator &(const F32vec1 &a,const F32vec1 &b) { return _mm_and_ps(a,b); }
    178   friend F32vec1 operator |(const F32vec1 &a,const F32vec1 &b) { return _mm_or_ps(a,b); }
    179   friend F32vec1 operator ^(const F32vec1 &a,const F32vec1 &b) { return _mm_xor_ps(a,b); }
    180   friend F32vec1 operator +(const F32vec1 &a,const F32vec1 &b) { return _mm_add_ss(a,b); }
    181   friend F32vec1 operator -(const F32vec1 &a,const F32vec1 &b) { return _mm_sub_ss(a,b); }
    182   friend F32vec1 operator *(const F32vec1 &a,const F32vec1 &b) { return _mm_mul_ss(a,b); }
    183   friend F32vec1 operator /(const F32vec1 &a,const F32vec1 &b) { return _mm_div_ss(a,b); }
    184   F32vec1& operator +=(F32vec1 &a) { return *this = _mm_add_ss(vec,a); }
    185   F32vec1& operator -=(F32vec1 &a) { return *this = _mm_sub_ss(vec,a); }
    186   F32vec1& operator *=(F32vec1 &a) { return *this = _mm_mul_ss(vec,a); }
    187   F32vec1& operator /=(F32vec1 &a) { return *this = _mm_div_ss(vec,a); }
    188   F32vec1& operator &=(F32vec1 &a) { return *this = _mm_and_ps(vec,a); }
    189   F32vec1& operator |=(F32vec1 &a) { return *this = _mm_or_ps(vec,a); }
    190   F32vec1& operator ^=(F32vec1 &a) { return *this = _mm_xor_ps(vec,a); }
    191   friend F32vec1 sqrt(const F32vec1 &a) { return _mm_sqrt_ss(a); }
    192   friend F32vec1 rcp(const F32vec1 &a) { return _mm_rcp_ss(a); }
    193   friend F32vec1 rsqrt(const F32vec1 &a) { return _mm_rsqrt_ss(a); }
    194   friend F32vec1 rcp_nr(const F32vec1 &a) {
    195     F32vec1 Ra0 = _mm_rcp_ss(a);
    196     return _mm_sub_ss(_mm_add_ss(Ra0,Ra0),_mm_mul_ss(_mm_mul_ss(Ra0,a),Ra0));
    197   }
    198   friend F32vec1 rsqrt_nr(const F32vec1 &a) {
    199     static const F32vec1 fvecf0pt5(0.5f);
    200     static const F32vec1 fvecf3pt0(3.0f);
    201     F32vec1 Ra0 = _mm_rsqrt_ss(a);
    202     return (fvecf0pt5 *Ra0) *(fvecf3pt0 - (a *Ra0) *Ra0);
    203   }
    204 #define Fvec32s1_COMP(op) friend F32vec1 cmp##op (const F32vec1 &a,const F32vec1 &b) { return _mm_cmp##op##_ss(a,b); }
    205   Fvec32s1_COMP(eq)
    206     Fvec32s1_COMP(lt)
    207     Fvec32s1_COMP(le)
    208     Fvec32s1_COMP(gt)
    209     Fvec32s1_COMP(ge)
    210     Fvec32s1_COMP(neq)
    211     Fvec32s1_COMP(nlt)
    212     Fvec32s1_COMP(nle)
    213     Fvec32s1_COMP(ngt)
    214     Fvec32s1_COMP(nge)
    215 #undef Fvec32s1_COMP
    216 
    217     friend F32vec1 simd_min(const F32vec1 &a,const F32vec1 &b) { return _mm_min_ss(a,b); }
    218   friend F32vec1 simd_max(const F32vec1 &a,const F32vec1 &b) { return _mm_max_ss(a,b); }
    219 
    220 #if defined(_ENABLE_VEC_DEBUG)
    221   friend std::ostream & operator<<(std::ostream & os,const F32vec1 &a) {
    222     float *fp = (float*)&a;
    223     os << "float:" << *fp;
    224     return os;
    225   }
    226 #endif
    227 };
    228 
    229 #define Fvec32s1_SELECT(op) inline F32vec1 select_##op (const F32vec1 &a,const F32vec1 &b,const F32vec1 &c,const F32vec1 &d) { F32vec1 mask = _mm_cmp##op##_ss(a,b); return((mask & c) | F32vec1((_mm_andnot_ps(mask,d)))); }
    230 Fvec32s1_SELECT(eq)
    231 Fvec32s1_SELECT(lt)
    232 Fvec32s1_SELECT(le)
    233 Fvec32s1_SELECT(gt)
    234 Fvec32s1_SELECT(ge)
    235 Fvec32s1_SELECT(neq)
    236 Fvec32s1_SELECT(nlt)
    237 Fvec32s1_SELECT(nle)
    238 Fvec32s1_SELECT(ngt)
    239 Fvec32s1_SELECT(nge)
    240 #undef Fvec32s1_SELECT
    241 
    242 inline int F32vec1ToInt(const F32vec1 &a)
    243 {
    244   return _mm_cvtt_ss2si(a);
    245 }
    246 
    247 #pragma pack(pop)
    248 
    249 #endif /* #ifdef __SSE__ */
    250 #pragma pack(pop)
    251 
    252 #include <ivec.h>
    253 
    254 #endif
    255 #endif