mcs/class/Mono.Simd/Mono.Simd/Vector8us.cs

   1 // Vector8us.cs
   2 //
   3 // Author:
   4 //   Rodrigo Kumpera (rkumpera@novell.com)
   5 //
   6 // (C) 2008 Novell, Inc. (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 using System;
  28 using System.Runtime.InteropServices;
  29
  30 namespace Mono.Simd
  31 {
  32         [StructLayout(LayoutKind.Sequential, Pack = 0, Size = 16)]
  33         [CLSCompliant(false)]
  34         public struct Vector8us
  35         {
  36                 private ushort v0, v1, v2, v3, v4, v5, v6, v7;
  37                 public Vector8us (ushort v0, ushort v1, ushort v2, ushort v3, ushort v4, ushort v5, ushort v6, ushort v7)
  38                 {
  39                         this.v0 = v0;
  40                         this.v1 = v1;
  41                         this.v2 = v2;
  42                         this.v3 = v3;
  43                         this.v4 = v4;
  44                         this.v5 = v5;
  45                         this.v6 = v6;
  46                         this.v7 = v7;
  47                 }
  48
  49                 public ushort V0 { get { return v0; } set { v0 = value; } }
  50                 public ushort V1 { get { return v1; } set { v1 = value; } }
  51                 public ushort V2 { get { return v2; } set { v2 = value; } }
  52                 public ushort V3 { get { return v3; } set { v3 = value; } }
  53                 public ushort V4 { get { return v4; } set { v4 = value; } }
  54                 public ushort V5 { get { return v5; } set { v5 = value; } }
  55                 public ushort V6 { get { return v6; } set { v6 = value; } }
  56                 public ushort V7 { get { return v7; } set { v7 = value; } }
  57
  58                 [System.Runtime.CompilerServices.IndexerName ("Component")]
  59                 public unsafe ushort this [int index]
  60                 {
  61                         get {
  62                                 if ((index | 0x7) != 0x7) //index < 0 || index > 7
  63                                         throw new ArgumentOutOfRangeException ("index");
  64                                 fixed (ushort *v = &v0) {
  65                                         return * (v + index);
  66                                 }
  67                         }
  68                         set {
  69                                 if ( (index | 0x7) != 0x7) //index < 0 || index > 7
  70                                         throw new ArgumentOutOfRangeException ("index");
  71                                 fixed (ushort *v = &v0) {
  72                                         * (v + index) = value;
  73                                 }
  74                         }
  75                 }
  76
  77                 [Acceleration (AccelMode.SSE2)]
  78                 public static unsafe Vector8us operator + (Vector8us va, Vector8us vb)
  79                 {
  80                         Vector8us res = new Vector8us ();
  81                         ushort *a = &va.v0;
  82                         ushort *b = &vb.v0;
  83                         ushort *c = &res.v0;
  84                         for (int i = 0; i < 8; ++i)
  85                                 *c++ = (ushort)(*a++ + *b++);
  86                         return res;
  87                 }
  88
  89                 [Acceleration (AccelMode.SSE2)]
  90                 public static unsafe Vector8us operator - (Vector8us va, Vector8us vb)
  91                 {
  92                         Vector8us res = new Vector8us ();
  93                         ushort *a = &va.v0;
  94                         ushort *b = &vb.v0;
  95                         ushort *c = &res.v0;
  96                         for (int i = 0; i < 8; ++i)
  97                                 *c++ = (ushort)(*a++ - *b++);
  98                         return res;
  99                 }
 100
 101                 /*
 102                  * NOTE: Thou pmullw states it does signed multiplication, it works for unsigned numbers
 103                  * if only the lower part is considered and the flags disregarded.
 104                  */
 105                 [Acceleration (AccelMode.SSE2)]
 106                 public static unsafe Vector8us operator * (Vector8us va, Vector8us vb)
 107                 {
 108                         Vector8us res = new Vector8us ();
 109                         ushort *a = &va.v0;
 110                         ushort *b = &vb.v0;
 111                         ushort *c = &res.v0;
 112                         for (int i = 0; i < 8; ++i)
 113                                 *c++ = (ushort)(*a++ * (*b++));
 114                         return res;
 115                 }
 116
 117                 [Acceleration (AccelMode.SSE2)]
 118                 public static unsafe Vector8us operator >> (Vector8us va, int amount)
 119                 {
 120                         Vector8us res = new Vector8us ();
 121                         ushort *a = &va.v0;
 122                         ushort *b = &res.v0;
 123                         for (int i = 0; i < 8; ++i)
 124                                 *b++ = (ushort)(*a++ >> amount);
 125                         return res;
 126                 }
 127
 128                 [Acceleration (AccelMode.SSE2)]
 129                 public static unsafe Vector8us operator << (Vector8us va, int amount)
 130                 {
 131                         Vector8us res = new Vector8us ();
 132                         ushort *a = &va.v0;
 133                         ushort *b = &res.v0;
 134                         for (int i = 0; i < 8; ++i)
 135                                 *b++ = (ushort)(*a++ << amount);
 136                         return res;
 137                 }
 138
 139                 [Acceleration (AccelMode.SSE2)]
 140                 public static unsafe Vector8us operator & (Vector8us va, Vector8us vb)
 141                 {
 142                         Vector8us res = new Vector8us ();
 143                         uint *a = (uint*) &va.v0;
 144                         uint *b = (uint*) &vb.v0;
 145                         uint *c = (uint*) &res.v0;
 146                         *c++ = *a++ & *b++;
 147                         *c++ = *a++ & *b++;
 148                         *c++ = *a++ & *b++;
 149                         *c = *a & *b;
 150                         return res;
 151                 }
 152
 153                 [Acceleration (AccelMode.SSE2)]
 154                 public static unsafe Vector8us operator | (Vector8us va, Vector8us vb)
 155                 {
 156                         Vector8us res = new Vector8us ();
 157                         uint *a = (uint*) &va.v0;
 158                         uint *b = (uint*) &vb.v0;
 159                         uint *c = (uint*) &res.v0;
 160                         *c++ = *a++ | *b++;
 161                         *c++ = *a++ | *b++;
 162                         *c++ = *a++ | *b++;
 163                         *c = *a | *b;
 164                         return res;
 165                 }
 166
 167                 [Acceleration (AccelMode.SSE2)]
 168                 public static unsafe Vector8us operator ^ (Vector8us va, Vector8us vb)
 169                 {
 170                         Vector8us res = new Vector8us ();
 171                         uint *a = (uint*) &va.v0;
 172                         uint *b = (uint*) &vb.v0;
 173                         uint *c = (uint*) &res.v0;
 174                         *c++ = *a++ ^ *b++;
 175                         *c++ = *a++ ^ *b++;
 176                         *c++ = *a++ ^ *b++;
 177                         *c = *a ^ *b;
 178                         return res;
 179                 }
 180
 181                 [Acceleration (AccelMode.SSE2)]
 182                 public unsafe static bool operator ==(Vector8us va, Vector8us vb)
 183                 {
 184                         ushort *a = &va.v0;
 185                         ushort *b = &vb.v0;
 186                         for (int i = 0; i < 8; ++i)
 187                                 if (*a++ != *b++)
 188                                         return false;
 189                         return true;
 190                 }
 191
 192                 [Acceleration (AccelMode.SSE2)]
 193                 public unsafe static bool operator !=(Vector8us va, Vector8us vb)
 194                 {
 195                         ushort *a = &va.v0;
 196                         ushort *b = &vb.v0;
 197                         for (int i = 0; i < 8; ++i)
 198                                 if (*a++ != *b++)
 199                                         return true;
 200                         return false;
 201                 }
 202
 203                 [Acceleration (AccelMode.SSE2)]
 204                 public static unsafe Vector8us UnpackLow (Vector8us va, Vector8us vb)
 205                 {
 206                         return new Vector8us (va.v0, vb.v0, va.v1, vb.v1, va.v2, vb.v2, va.v3, vb.v3);
 207                 }
 208
 209                 [Acceleration (AccelMode.SSE2)]
 210                 public static unsafe Vector8us UnpackHigh (Vector8us va, Vector8us vb)
 211                 {
 212                         return new Vector8us (va.v4, vb.v4, va.v5, vb.v5, va.v6, vb.v6, va.v7, vb.v7);
 213                 }
 214
 215                 [Acceleration (AccelMode.SSE2)]
 216                 public static unsafe Vector8us ArithmeticRightShift (Vector8us va, int amount)
 217                 {
 218                         Vector8us res = new Vector8us ();
 219                         ushort *a = &va.v0;
 220                         ushort *b = &res.v0;
 221                         for (int i = 0; i < 8; ++i)
 222                                 *b++ = (ushort)((short)(*a++) >> amount);
 223                         return res;
 224                 }
 225
 226                 [Acceleration (AccelMode.SSE2)]
 227                 public static unsafe Vector8us AddWithSaturation (Vector8us va, Vector8us vb) {
 228                         Vector8us res = new Vector8us ();
 229                         ushort *a = &va.v0;
 230                         ushort *b = &vb.v0;
 231                         ushort *c = &res.v0;
 232                         for (int i = 0; i < 8; ++i)
 233                                 *c++ = (ushort) System.Math.Min (*a++ + *b++, ushort.MaxValue);
 234                         return res;
 235                 }
 236
 237                 [Acceleration (AccelMode.SSE2)]
 238                 public static unsafe Vector8us SubtractWithSaturation (Vector8us va, Vector8us vb) {
 239                         Vector8us res = new Vector8us ();
 240                         ushort *a = &va.v0;
 241                         ushort *b = &vb.v0;
 242                         ushort *c = &res.v0;
 243                         for (int i = 0; i < 8; ++i)
 244                                 *c++ = (ushort) System.Math.Max (*a++ - *b++, 0);
 245                         return res;
 246                 }
 247
 248                 [Acceleration (AccelMode.SSE2)]
 249                 public static unsafe Vector8us Average (Vector8us va, Vector8us vb) {
 250                         Vector8us res = new Vector8us ();
 251                         ushort *a = &va.v0;
 252                         ushort *b = &vb.v0;
 253                         ushort *c = &res.v0;
 254                         for (int i = 0; i < 8; ++i)
 255                                 *c++ = (ushort) ((*a++ + *b++ + 1) >> 1);
 256                         return res;
 257                 }
 258
 259                 [Acceleration (AccelMode.SSE41)]
 260                 public static unsafe Vector8us Max (Vector8us va, Vector8us vb) {
 261                         Vector8us res = new Vector8us ();
 262                         ushort *a = &va.v0;
 263                         ushort *b = &vb.v0;
 264                         ushort *c = &res.v0;
 265                         for (int i = 0; i < 8; ++i)
 266                                 *c++ = (ushort) System.Math.Max (*a++, *b++);
 267                         return res;
 268                 }
 269
 270                 [Acceleration (AccelMode.SSE41)]
 271                 public static unsafe Vector8us Min (Vector8us va, Vector8us vb) {
 272                         Vector8us res = new Vector8us ();
 273                         ushort *a = &va.v0;
 274                         ushort *b = &vb.v0;
 275                         ushort *c = &res.v0;
 276                         for (int i = 0; i < 8; ++i)
 277                                 *c++ = (ushort) System.Math.Min (*a++, *b++);
 278                         return res;
 279                 }
 280
 281                 [Acceleration (AccelMode.SSE2)]
 282                 public static unsafe Vector8us ShuffleHigh (Vector8us va, ShuffleSel sel)
 283                 {
 284                         ushort *ptr = ((ushort*)&va) + 4;
 285                         int idx = (int)sel;
 286                         return new Vector8us (va.v0, va.v1, va.v2, va.v3, *(ptr + ((idx >> 0) & 0x3)), *(ptr + ((idx >> 2) & 0x3)), *(ptr + ((idx >> 4) & 0x3)), *(ptr + ((idx >> 6) & 0x3)));
 287                 }
 288
 289                 [Acceleration (AccelMode.SSE2)]
 290                 public static unsafe Vector8us ShuffleLow (Vector8us va, ShuffleSel sel)
 291                 {
 292                         ushort *ptr = ((ushort*)&va);
 293                         int idx = (int)sel;
 294                         return new Vector8us (*(ptr + ((idx >> 0) & 0x3)), *(ptr + ((idx >> 2) & 0x3)), *(ptr + ((idx >> 4) & 0x3)), *(ptr + ((idx >> 6) & 0x3)), va.v4, va.v5, va.v6, va.v7);
 295                 }
 296
 297                 [Acceleration (AccelMode.SSE2)]
 298                 public static unsafe Vector8us CompareEqual (Vector8us va, Vector8us vb) {
 299                         Vector8us res = new Vector8us ();
 300                         ushort *a = &va.v0;
 301                         ushort *b = &vb.v0;
 302                         ushort *c = &res.v0;
 303                         for (int i = 0; i < 8; ++i)
 304                                 *c++ = (ushort) (*a++ == *b++ ? -1 : 0);
 305                         return res;
 306                 }
 307
 308                 [Acceleration (AccelMode.SSE2)]
 309                 public static unsafe Vector8us MultiplyStoreHigh (Vector8us va, Vector8us vb) {
 310                         Vector8us res = new Vector8us ();
 311                         ushort *a = &va.v0;
 312                         ushort *b = &vb.v0;
 313                         ushort *c = &res.v0;
 314                         for (int i = 0; i < 8; ++i)
 315                                 *c++ = (ushort)((uint)*a++ * (uint)*b++ >> 16);
 316                         return res;
 317                 }
 318
 319                 /*This function performs a packuswb, which treats the source as a signed value */
 320                 [Acceleration (AccelMode.SSE2)]
 321                 public static unsafe Vector16b SignedPackWithUnsignedSaturation (Vector8us va, Vector8us vb) {
 322                         Vector16b res = new Vector16b ();
 323                         short *a = (short*)&va;
 324                         short *b = (short*)&vb;
 325                         byte *c = (byte*)&res;
 326                         for (int i = 0; i < 8; ++i)
 327                                 *c++ = (byte)System.Math.Max (0, System.Math.Min ((int)*a++, byte.MaxValue));
 328                         for (int i = 0; i < 8; ++i)
 329                                 *c++ = (byte)System.Math.Max (0, System.Math.Min ((int)*b++, byte.MaxValue));
 330                         return res;
 331                 }
 332
 333                 /*This function performs a packsswb, which treats the source as a signed value */
 334                 [Acceleration (AccelMode.SSE2)]
 335                 public static unsafe Vector16sb SignedPackWithSignedSaturation (Vector8us va, Vector8us vb) {
 336                         Vector16sb res = new Vector16sb ();
 337                         short *a = (short*)&va;
 338                         short *b = (short*)&vb;
 339                         sbyte *c = (sbyte*)&res;
 340                         for (int i = 0; i < 8; ++i)
 341                                 *c++ = (sbyte)System.Math.Max (System.Math.Min ((int)*a++, sbyte.MaxValue), sbyte.MinValue);
 342                         for (int i = 0; i < 8; ++i)
 343                                 *c++ = (sbyte)System.Math.Max (System.Math.Min ((int)*b++, sbyte.MaxValue), sbyte.MinValue);
 344                         return res;
 345                 }
 346
 347                 [Acceleration (AccelMode.SSE1)]
 348                 public static unsafe explicit operator Vector2d (Vector8us v)
 349                 {
 350                         Vector2d* p = (Vector2d*)&v;
 351                         return *p;
 352                 }
 353
 354                 [Acceleration (AccelMode.SSE1)]
 355                 public static unsafe explicit operator Vector4f (Vector8us v)
 356                 {
 357                         Vector4f* p = (Vector4f*)&v;
 358                         return *p;
 359                 }
 360
 361                 [Acceleration (AccelMode.SSE1)]
 362                 public static unsafe explicit operator Vector2l (Vector8us v)
 363                 {
 364                         Vector2l* p = (Vector2l*)&v;
 365                         return *p;
 366                 }
 367
 368                 [Acceleration (AccelMode.SSE1)]
 369                 public static unsafe explicit operator Vector2ul (Vector8us v)
 370                 {
 371                         Vector2ul* p = (Vector2ul*)&v;
 372                         return *p;
 373                 }
 374
 375                 [Acceleration (AccelMode.SSE1)]
 376                 public static unsafe explicit operator Vector4i (Vector8us v)
 377                 {
 378                         Vector4i* p = (Vector4i*)&v;
 379                         return *p;
 380                 }
 381
 382                 [Acceleration (AccelMode.SSE1)]
 383                 public static unsafe explicit operator Vector4ui (Vector8us v)
 384                 {
 385                         Vector4ui* p = (Vector4ui*)&v;
 386                         return *p;
 387                 }
 388
 389                 [Acceleration (AccelMode.SSE1)]
 390                 public static unsafe explicit operator Vector8s (Vector8us v)
 391                 {
 392                         Vector8s* p = (Vector8s*)&v;
 393                         return *p;
 394                 }
 395
 396                 [Acceleration (AccelMode.SSE1)]
 397                 public static unsafe explicit operator Vector16sb (Vector8us v)
 398                 {
 399                         Vector16sb* p = (Vector16sb*)&v;
 400                         return *p;
 401                 }
 402
 403                 [Acceleration (AccelMode.SSE1)]
 404                 public static unsafe explicit operator Vector16b (Vector8us v)
 405                 {
 406                         Vector16b* p = (Vector16b*)&v;
 407                         return *p;
 408                 }
 409
 410
 411                 [Acceleration (AccelMode.SSE1)]
 412                 public static Vector8us LoadAligned (ref Vector8us v)
 413                 {
 414                         return v;
 415                 }
 416
 417                 [Acceleration (AccelMode.SSE1)]
 418                 public static void StoreAligned (ref Vector8us res, Vector8us val)
 419                 {
 420                         res = val;
 421                 }
 422
 423                 [Acceleration (AccelMode.SSE1)]
 424                 public static unsafe Vector8us LoadAligned (Vector8us *v)
 425                 {
 426                         return *v;
 427                 }
 428
 429                 [Acceleration (AccelMode.SSE1)]
 430                 public static unsafe void StoreAligned (Vector8us *res, Vector8us val)
 431                 {
 432                         *res = val;
 433                 }
 434
 435                 [Acceleration (AccelMode.SSE1)]
 436                 [CLSCompliant(false)]
 437                 public static void PrefetchTemporalAllCacheLevels (ref Vector8us res)
 438                 {
 439                 }
 440
 441                 [Acceleration (AccelMode.SSE1)]
 442                 [CLSCompliant(false)]
 443                 public static void PrefetchTemporal1stLevelCache (ref Vector8us res)
 444                 {
 445                 }
 446
 447                 [Acceleration (AccelMode.SSE1)]
 448                 [CLSCompliant(false)]
 449                 public static void PrefetchTemporal2ndLevelCache (ref Vector8us res)
 450                 {
 451                 }
 452
 453                 [Acceleration (AccelMode.SSE1)]
 454                 [CLSCompliant(false)]
 455                 public static void PrefetchNonTemporal (ref Vector8us res)
 456                 {
 457                 }
 458
 459                 [Acceleration (AccelMode.SSE1)]
 460                 [CLSCompliant(false)]
 461                 public static unsafe void PrefetchTemporalAllCacheLevels (Vector8us *res)
 462                 {
 463                 }
 464
 465                 [Acceleration (AccelMode.SSE1)]
 466                 [CLSCompliant(false)]
 467                 public static unsafe void PrefetchTemporal1stLevelCache (Vector8us *res)
 468                 {
 469                 }
 470
 471                 [Acceleration (AccelMode.SSE1)]
 472                 [CLSCompliant(false)]
 473                 public static unsafe void PrefetchTemporal2ndLevelCache (Vector8us *res)
 474                 {
 475                 }
 476
 477                 [Acceleration (AccelMode.SSE1)]
 478                 [CLSCompliant(false)]
 479                 public static unsafe void PrefetchNonTemporal (Vector8us *res)
 480                 {
 481                 }
 482         }
 483 }