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comparison: gfx/cairo/libpixman/src/pixman-x64-mmx-emulation.h
gfx/cairo/libpixman/src/pixman-x64-mmx-emulation.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:01321d5b78bb |
|---|---|
| 1 #ifndef MMX_X64_H_INCLUDED | |
| 2 #define MMX_X64_H_INCLUDED | |
| 3 | |
| 4 /* Implementation of x64 MMX substitition functions, before | |
| 5 * pixman is reimplemented not to use __m64 type on Visual C++ | |
| 6 * | |
| 7 * Copyright (C)2009 by George Yohng | |
| 8 * Released in public domain. | |
| 9 */ | |
| 10 | |
| 11 #include <intrin.h> | |
| 12 | |
| 13 #define M64C(a) (*(const __m64 *)(&a)) | |
| 14 #define M64U(a) (*(const unsigned long long *)(&a)) | |
| 15 | |
| 16 __inline __m64 | |
| 17 _m_from_int (int a) | |
| 18 { | |
| 19 long long i64 = a; | |
| 20 | |
| 21 return M64C (i64); | |
| 22 } | |
| 23 | |
| 24 __inline __m64 | |
| 25 _mm_setzero_si64 () | |
| 26 { | |
| 27 long long i64 = 0; | |
| 28 | |
| 29 return M64C (i64); | |
| 30 } | |
| 31 | |
| 32 __inline __m64 | |
| 33 _mm_set_pi32 (int i1, int i0) | |
| 34 { | |
| 35 unsigned long long i64 = ((unsigned)i0) + (((unsigned long long)(unsigned)i1) << 32); | |
| 36 | |
| 37 return M64C (i64); | |
| 38 } | |
| 39 | |
| 40 __inline void | |
| 41 _m_empty () | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 __inline __m64 | |
| 46 _mm_set1_pi16 (short w) | |
| 47 { | |
| 48 unsigned long long i64 = ((unsigned long long)(unsigned short)(w)) * 0x0001000100010001ULL; | |
| 49 | |
| 50 return M64C (i64); | |
| 51 } | |
| 52 | |
| 53 __inline int | |
| 54 _m_to_int (__m64 m) | |
| 55 { | |
| 56 return m.m64_i32[0]; | |
| 57 } | |
| 58 | |
| 59 __inline __m64 | |
| 60 _mm_movepi64_pi64 (__m128i a) | |
| 61 { | |
| 62 return M64C (a.m128i_i64[0]); | |
| 63 } | |
| 64 | |
| 65 __inline __m64 | |
| 66 _m_pand (__m64 a, __m64 b) | |
| 67 { | |
| 68 unsigned long long i64 = M64U (a) & M64U (b); | |
| 69 | |
| 70 return M64C (i64); | |
| 71 } | |
| 72 | |
| 73 __inline __m64 | |
| 74 _m_por (__m64 a, __m64 b) | |
| 75 { | |
| 76 unsigned long long i64 = M64U (a) | M64U (b); | |
| 77 | |
| 78 return M64C (i64); | |
| 79 } | |
| 80 | |
| 81 __inline __m64 | |
| 82 _m_pxor (__m64 a, __m64 b) | |
| 83 { | |
| 84 unsigned long long i64 = M64U (a) ^ M64U (b); | |
| 85 | |
| 86 return M64C (i64); | |
| 87 } | |
| 88 | |
| 89 __inline __m64 | |
| 90 _m_pmulhuw (__m64 a, __m64 b) /* unoptimized */ | |
| 91 { | |
| 92 unsigned short d[4] = | |
| 93 { | |
| 94 (unsigned short)((((unsigned)a.m64_u16[0]) * b.m64_u16[0]) >> 16), | |
| 95 (unsigned short)((((unsigned)a.m64_u16[1]) * b.m64_u16[1]) >> 16), | |
| 96 (unsigned short)((((unsigned)a.m64_u16[2]) * b.m64_u16[2]) >> 16), | |
| 97 (unsigned short)((((unsigned)a.m64_u16[3]) * b.m64_u16[3]) >> 16) | |
| 98 }; | |
| 99 | |
| 100 return M64C (d[0]); | |
| 101 } | |
| 102 | |
| 103 __inline __m64 | |
| 104 _m_pmullw2 (__m64 a, __m64 b) /* unoptimized */ | |
| 105 { | |
| 106 unsigned short d[4] = | |
| 107 { | |
| 108 (unsigned short)((((unsigned)a.m64_u16[0]) * b.m64_u16[0])), | |
| 109 (unsigned short)((((unsigned)a.m64_u16[1]) * b.m64_u16[1])), | |
| 110 (unsigned short)((((unsigned)a.m64_u16[2]) * b.m64_u16[2])), | |
| 111 (unsigned short)((((unsigned)a.m64_u16[3]) * b.m64_u16[3])) | |
| 112 }; | |
| 113 | |
| 114 return M64C (d[0]); | |
| 115 } | |
| 116 | |
| 117 __inline __m64 | |
| 118 _m_pmullw (__m64 a, __m64 b) /* unoptimized */ | |
| 119 { | |
| 120 unsigned long long x = | |
| 121 ((unsigned long long)(unsigned short)((((unsigned)a.m64_u16[0]) * b.m64_u16[0]))) + | |
| 122 (((unsigned long long)(unsigned short)((((unsigned)a.m64_u16[1]) * b.m64_u16[1]))) << 16) + | |
| 123 (((unsigned long long)(unsigned short)((((unsigned)a.m64_u16[2]) * b.m64_u16[2]))) << 32) + | |
| 124 (((unsigned long long)(unsigned short)((((unsigned)a.m64_u16[3]) * b.m64_u16[3]))) << 48); | |
| 125 | |
| 126 return M64C (x); | |
| 127 } | |
| 128 | |
| 129 __inline __m64 | |
| 130 _m_paddusb (__m64 a, __m64 b) /* unoptimized */ | |
| 131 { | |
| 132 unsigned long long x = (M64U (a) & 0x00FF00FF00FF00FFULL) + | |
| 133 (M64U (b) & 0x00FF00FF00FF00FFULL); | |
| 134 | |
| 135 unsigned long long y = ((M64U (a) >> 8) & 0x00FF00FF00FF00FFULL) + | |
| 136 ((M64U (b) >> 8) & 0x00FF00FF00FF00FFULL); | |
| 137 | |
| 138 x |= ((x & 0xFF00FF00FF00FF00ULL) >> 8) * 0xFF; | |
| 139 y |= ((y & 0xFF00FF00FF00FF00ULL) >> 8) * 0xFF; | |
| 140 | |
| 141 x = (x & 0x00FF00FF00FF00FFULL) | ((y & 0x00FF00FF00FF00FFULL) << 8); | |
| 142 | |
| 143 return M64C (x); | |
| 144 } | |
| 145 | |
| 146 __inline __m64 | |
| 147 _m_paddusw (__m64 a, __m64 b) /* unoptimized */ | |
| 148 { | |
| 149 unsigned long long x = (M64U (a) & 0x0000FFFF0000FFFFULL) + | |
| 150 (M64U (b) & 0x0000FFFF0000FFFFULL); | |
| 151 | |
| 152 unsigned long long y = ((M64U (a) >> 16) & 0x0000FFFF0000FFFFULL) + | |
| 153 ((M64U (b) >> 16) & 0x0000FFFF0000FFFFULL); | |
| 154 | |
| 155 x |= ((x & 0xFFFF0000FFFF0000) >> 16) * 0xFFFF; | |
| 156 y |= ((y & 0xFFFF0000FFFF0000) >> 16) * 0xFFFF; | |
| 157 | |
| 158 x = (x & 0x0000FFFF0000FFFFULL) | ((y & 0x0000FFFF0000FFFFULL) << 16); | |
| 159 | |
| 160 return M64C (x); | |
| 161 } | |
| 162 | |
| 163 __inline __m64 | |
| 164 _m_pshufw (__m64 a, int n) /* unoptimized */ | |
| 165 { | |
| 166 unsigned short d[4] = | |
| 167 { | |
| 168 a.m64_u16[n & 3], | |
| 169 a.m64_u16[(n >> 2) & 3], | |
| 170 a.m64_u16[(n >> 4) & 3], | |
| 171 a.m64_u16[(n >> 6) & 3] | |
| 172 }; | |
| 173 | |
| 174 return M64C (d[0]); | |
| 175 } | |
| 176 | |
| 177 __inline unsigned char | |
| 178 sat16 (unsigned short d) | |
| 179 { | |
| 180 if (d > 0xFF) return 0xFF; | |
| 181 else return d & 0xFF; | |
| 182 } | |
| 183 | |
| 184 __inline __m64 | |
| 185 _m_packuswb (__m64 m1, __m64 m2) /* unoptimized */ | |
| 186 { | |
| 187 unsigned char d[8] = | |
| 188 { | |
| 189 sat16 (m1.m64_u16[0]), | |
| 190 sat16 (m1.m64_u16[1]), | |
| 191 sat16 (m1.m64_u16[2]), | |
| 192 sat16 (m1.m64_u16[3]), | |
| 193 sat16 (m2.m64_u16[0]), | |
| 194 sat16 (m2.m64_u16[1]), | |
| 195 sat16 (m2.m64_u16[2]), | |
| 196 sat16 (m2.m64_u16[3]) | |
| 197 }; | |
| 198 | |
| 199 return M64C (d[0]); | |
| 200 } | |
| 201 | |
| 202 __inline __m64 _m_punpcklbw (__m64 m1, __m64 m2) /* unoptimized */ | |
| 203 { | |
| 204 unsigned char d[8] = | |
| 205 { | |
| 206 m1.m64_u8[0], | |
| 207 m2.m64_u8[0], | |
| 208 m1.m64_u8[1], | |
| 209 m2.m64_u8[1], | |
| 210 m1.m64_u8[2], | |
| 211 m2.m64_u8[2], | |
| 212 m1.m64_u8[3], | |
| 213 m2.m64_u8[3], | |
| 214 }; | |
| 215 | |
| 216 return M64C (d[0]); | |
| 217 } | |
| 218 | |
| 219 __inline __m64 _m_punpckhbw (__m64 m1, __m64 m2) /* unoptimized */ | |
| 220 { | |
| 221 unsigned char d[8] = | |
| 222 { | |
| 223 m1.m64_u8[4], | |
| 224 m2.m64_u8[4], | |
| 225 m1.m64_u8[5], | |
| 226 m2.m64_u8[5], | |
| 227 m1.m64_u8[6], | |
| 228 m2.m64_u8[6], | |
| 229 m1.m64_u8[7], | |
| 230 m2.m64_u8[7], | |
| 231 }; | |
| 232 | |
| 233 return M64C (d[0]); | |
| 234 } | |
| 235 | |
| 236 __inline __m64 _m_psrlwi (__m64 a, int n) /* unoptimized */ | |
| 237 { | |
| 238 unsigned short d[4] = | |
| 239 { | |
| 240 a.m64_u16[0] >> n, | |
| 241 a.m64_u16[1] >> n, | |
| 242 a.m64_u16[2] >> n, | |
| 243 a.m64_u16[3] >> n | |
| 244 }; | |
| 245 | |
| 246 return M64C (d[0]); | |
| 247 } | |
| 248 | |
| 249 __inline __m64 _m_psrlqi (__m64 m, int n) | |
| 250 { | |
| 251 unsigned long long x = M64U (m) >> n; | |
| 252 | |
| 253 return M64C (x); | |
| 254 } | |
| 255 | |
| 256 __inline __m64 _m_psllqi (__m64 m, int n) | |
| 257 { | |
| 258 unsigned long long x = M64U (m) << n; | |
| 259 | |
| 260 return M64C (x); | |
| 261 } | |
| 262 | |
| 263 #endif /* MMX_X64_H_INCLUDED */ |
