sdk/include/crt/fvec.h

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