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                         ulong *a = (ulong*) &va.v0;
 144                         ulong *b = (ulong*) &vb.v0;
 145                         ulong *c = (ulong*) &res.v0;
 146                         *c++ = (ulong)(*a++ & *b++);
 147                         *c = (ulong)(*a & *b);
 148                         return res;
 149                 }
 150
 151                 [Acceleration (AccelMode.SSE2)]
 152                 public static unsafe Vector8us operator | (Vector8us va, Vector8us vb)
 153                 {
 154                         Vector8us res = new Vector8us ();
 155                         ulong *a = (ulong*) &va.v0;
 156                         ulong *b = (ulong*) &vb.v0;
 157                         ulong *c = (ulong*) &res.v0;
 158                         *c++ = (ulong)(*a++ | *b++);
 159                         *c = (ulong)(*a | *b);
 160                         return res;
 161                 }
 162
 163                 [Acceleration (AccelMode.SSE2)]
 164                 public static unsafe Vector8us operator ^ (Vector8us va, Vector8us vb)
 165                 {
 166                         Vector8us res = new Vector8us ();
 167                         ulong *a = (ulong*) &va.v0;
 168                         ulong *b = (ulong*) &vb.v0;
 169                         ulong *c = (ulong*) &res.v0;
 170                         *c++ = (ulong)(*a++ ^ *b++);
 171                         *c = (ulong)(*a ^ *b);
 172                         return res;
 173                 }
 174
 175                 [Acceleration (AccelMode.SSE2)]
 176                 public static unsafe Vector8us UnpackLow (Vector8us va, Vector8us vb)
 177                 {
 178                         return new Vector8us (va.v0, vb.v0, va.v1, vb.v1, va.v2, vb.v2, va.v3, vb.v3);
 179                 }
 180
 181                 [Acceleration (AccelMode.SSE2)]
 182                 public static unsafe Vector8us UnpackHigh (Vector8us va, Vector8us vb)
 183                 {
 184                         return new Vector8us (va.v4, vb.v4, va.v5, vb.v5, va.v6, vb.v6, va.v7, vb.v7);
 185                 }
 186
 187                 [Acceleration (AccelMode.SSE2)]
 188                 public static unsafe Vector8us ArithmeticRightShift (Vector8us va, int amount)
 189                 {
 190                         Vector8us res = new Vector8us ();
 191                         ushort *a = &va.v0;
 192                         ushort *b = &res.v0;
 193                         for (int i = 0; i < 8; ++i)
 194                                 *b++ = (ushort)((short)(*a++) >> amount);
 195                         return res;
 196                 }
 197
 198                 [Acceleration (AccelMode.SSE2)]
 199                 public static unsafe Vector8us AddWithSaturation (Vector8us va, Vector8us vb) {
 200                         Vector8us res = new Vector8us ();
 201                         ushort *a = &va.v0;
 202                         ushort *b = &vb.v0;
 203                         ushort *c = &res.v0;
 204                         for (int i = 0; i < 8; ++i)
 205                                 *c++ = (ushort) System.Math.Min (*a++ + *b++, ushort.MaxValue);
 206                         return res;
 207                 }
 208
 209                 [Acceleration (AccelMode.SSE2)]
 210                 public static unsafe Vector8us SubtractWithSaturation (Vector8us va, Vector8us vb) {
 211                         Vector8us res = new Vector8us ();
 212                         ushort *a = &va.v0;
 213                         ushort *b = &vb.v0;
 214                         ushort *c = &res.v0;
 215                         for (int i = 0; i < 8; ++i)
 216                                 *c++ = (ushort) System.Math.Max (*a++ - *b++, 0);
 217                         return res;
 218                 }
 219
 220                 [Acceleration (AccelMode.SSE2)]
 221                 public static unsafe Vector8us Average (Vector8us va, Vector8us vb) {
 222                         Vector8us res = new Vector8us ();
 223                         ushort *a = &va.v0;
 224                         ushort *b = &vb.v0;
 225                         ushort *c = &res.v0;
 226                         for (int i = 0; i < 8; ++i)
 227                                 *c++ = (ushort) ((*a++ + *b++ + 1) >> 1);
 228                         return res;
 229                 }
 230
 231                 [Acceleration (AccelMode.SSE41)]
 232                 public static unsafe Vector8us Max (Vector8us va, Vector8us vb) {
 233                         Vector8us res = new Vector8us ();
 234                         ushort *a = &va.v0;
 235                         ushort *b = &vb.v0;
 236                         ushort *c = &res.v0;
 237                         for (int i = 0; i < 8; ++i)
 238                                 *c++ = (ushort) System.Math.Max (*a++, *b++);
 239                         return res;
 240                 }
 241
 242                 [Acceleration (AccelMode.SSE41)]
 243                 public static unsafe Vector8us Min (Vector8us va, Vector8us vb) {
 244                         Vector8us res = new Vector8us ();
 245                         ushort *a = &va.v0;
 246                         ushort *b = &vb.v0;
 247                         ushort *c = &res.v0;
 248                         for (int i = 0; i < 8; ++i)
 249                                 *c++ = (ushort) System.Math.Min (*a++, *b++);
 250                         return res;
 251                 }
 252
 253                 [Acceleration (AccelMode.SSE2)]
 254                 public static unsafe int ExtractByteMask (Vector8us va) {
 255                         int res = 0;
 256                         byte *a = (byte*)&va;
 257                         for (int i = 0; i < 16; ++i)
 258                                 res |= (*a++ & 0x80) >> 7 << i;
 259                         return res;
 260                 }
 261
 262                 [Acceleration (AccelMode.SSE2)]
 263                 public static unsafe Vector8us ShuffleHigh (Vector8us va, ShuffleSel sel)
 264                 {
 265                         ushort *ptr = ((ushort*)&va) + 4;
 266                         int idx = (int)sel;
 267                         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)));
 268                 }
 269
 270                 [Acceleration (AccelMode.SSE2)]
 271                 public static unsafe Vector8us ShuffleLow (Vector8us va, ShuffleSel sel)
 272                 {
 273                         ushort *ptr = ((ushort*)&va);
 274                         int idx = (int)sel;
 275                         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);
 276                 }
 277
 278                 [Acceleration (AccelMode.SSE2)]
 279                 public static unsafe Vector8us CompareEqual (Vector8us va, Vector8us vb) {
 280                         Vector8us res = new Vector8us ();
 281                         ushort *a = &va.v0;
 282                         ushort *b = &vb.v0;
 283                         ushort *c = &res.v0;
 284                         for (int i = 0; i < 8; ++i)
 285                                 *c++ = (ushort) (*a++ == *b++ ? -1 : 0);
 286                         return res;
 287                 }
 288
 289                 [Acceleration (AccelMode.SSE2)]
 290                 public static unsafe Vector8us MultiplyStoreHigh (Vector8us va, Vector8us vb) {
 291                         Vector8us res = new Vector8us ();
 292                         ushort *a = &va.v0;
 293                         ushort *b = &vb.v0;
 294                         ushort *c = &res.v0;
 295                         for (int i = 0; i < 8; ++i)
 296                                 *c++ = (ushort)((uint)*a++ * (uint)*b++ >> 16);
 297                         return res;
 298                 }
 299
 300                 /*This function performs a packuswb, which treats the source as a signed value */
 301                 [Acceleration (AccelMode.SSE2)]
 302                 public static unsafe Vector16b SignedPackWithUnsignedSaturation (Vector8us va, Vector8us vb) {
 303                         Vector16b res = new Vector16b ();
 304                         short *a = (short*)&va;
 305                         short *b = (short*)&vb;
 306                         byte *c = (byte*)&res;
 307                         for (int i = 0; i < 8; ++i)
 308                                 *c++ = (byte)System.Math.Max (0, System.Math.Min ((int)*a++, byte.MaxValue));
 309                         for (int i = 0; i < 8; ++i)
 310                                 *c++ = (byte)System.Math.Max (0, System.Math.Min ((int)*b++, byte.MaxValue));
 311                         return res;
 312                 }
 313
 314                 /*This function performs a packsswb, which treats the source as a signed value */
 315                 [Acceleration (AccelMode.SSE2)]
 316                 public static unsafe Vector16sb SignedPackWithSignedSaturation (Vector8us va, Vector8us vb) {
 317                         Vector16sb res = new Vector16sb ();
 318                         short *a = (short*)&va;
 319                         short *b = (short*)&vb;
 320                         sbyte *c = (sbyte*)&res;
 321                         for (int i = 0; i < 8; ++i)
 322                                 *c++ = (sbyte)System.Math.Max (System.Math.Min ((int)*a++, sbyte.MaxValue), sbyte.MinValue);
 323                         for (int i = 0; i < 8; ++i)
 324                                 *c++ = (sbyte)System.Math.Max (System.Math.Min ((int)*b++, sbyte.MaxValue), sbyte.MinValue);
 325                         return res;
 326                 }
 327
 328                 [Acceleration (AccelMode.SSE1)]
 329                 public static unsafe explicit operator Vector2d (Vector8us v)
 330                 {
 331                         Vector2d* p = (Vector2d*)&v;
 332                         return *p;
 333                 }
 334
 335                 [Acceleration (AccelMode.SSE1)]
 336                 public static unsafe explicit operator Vector4f (Vector8us v)
 337                 {
 338                         Vector4f* p = (Vector4f*)&v;
 339                         return *p;
 340                 }
 341
 342                 [Acceleration (AccelMode.SSE1)]
 343                 public static unsafe explicit operator Vector2l (Vector8us v)
 344                 {
 345                         Vector2l* p = (Vector2l*)&v;
 346                         return *p;
 347                 }
 348
 349                 [Acceleration (AccelMode.SSE1)]
 350                 public static unsafe explicit operator Vector2ul (Vector8us v)
 351                 {
 352                         Vector2ul* p = (Vector2ul*)&v;
 353                         return *p;
 354                 }
 355
 356                 [Acceleration (AccelMode.SSE1)]
 357                 public static unsafe explicit operator Vector4i (Vector8us v)
 358                 {
 359                         Vector4i* p = (Vector4i*)&v;
 360                         return *p;
 361                 }
 362
 363                 [Acceleration (AccelMode.SSE1)]
 364                 public static unsafe explicit operator Vector4ui (Vector8us v)
 365                 {
 366                         Vector4ui* p = (Vector4ui*)&v;
 367                         return *p;
 368                 }
 369
 370                 [Acceleration (AccelMode.SSE1)]
 371                 public static unsafe explicit operator Vector8s (Vector8us v)
 372                 {
 373                         Vector8s* p = (Vector8s*)&v;
 374                         return *p;
 375                 }
 376
 377                 [Acceleration (AccelMode.SSE1)]
 378                 public static unsafe explicit operator Vector16sb (Vector8us v)
 379                 {
 380                         Vector16sb* p = (Vector16sb*)&v;
 381                         return *p;
 382                 }
 383
 384                 [Acceleration (AccelMode.SSE1)]
 385                 public static unsafe explicit operator Vector16b (Vector8us v)
 386                 {
 387                         Vector16b* p = (Vector16b*)&v;
 388                         return *p;
 389                 }
 390
 391
 392                 [Acceleration (AccelMode.SSE1)]
 393                 public static Vector8us LoadAligned (ref Vector8us v)
 394                 {
 395                         return v;
 396                 }
 397
 398                 [Acceleration (AccelMode.SSE1)]
 399                 public static void StoreAligned (ref Vector8us res, Vector8us val)
 400                 {
 401                         res = val;
 402                 }
 403
 404                 [Acceleration (AccelMode.SSE1)]
 405                 public static unsafe Vector8us LoadAligned (Vector8us *v)
 406                 {
 407                         return *v;
 408                 }
 409
 410                 [Acceleration (AccelMode.SSE1)]
 411                 public static unsafe void StoreAligned (Vector8us *res, Vector8us val)
 412                 {
 413                         *res = val;
 414                 }
 415
 416                 [Acceleration (AccelMode.SSE1)]
 417                 [CLSCompliant(false)]
 418                 public static void PrefetchTemporalAllCacheLevels (ref Vector8us res)
 419                 {
 420                 }
 421
 422                 [Acceleration (AccelMode.SSE1)]
 423                 [CLSCompliant(false)]
 424                 public static void PrefetchTemporal1stLevelCache (ref Vector8us res)
 425                 {
 426                 }
 427
 428                 [Acceleration (AccelMode.SSE1)]
 429                 [CLSCompliant(false)]
 430                 public static void PrefetchTemporal2ndLevelCache (ref Vector8us res)
 431                 {
 432                 }
 433
 434                 [Acceleration (AccelMode.SSE1)]
 435                 [CLSCompliant(false)]
 436                 public static void PrefetchNonTemporal (ref Vector8us res)
 437                 {
 438                 }
 439
 440                 [Acceleration (AccelMode.SSE1)]
 441                 [CLSCompliant(false)]
 442                 public static unsafe void PrefetchTemporalAllCacheLevels (Vector8us *res)
 443                 {
 444                 }
 445
 446                 [Acceleration (AccelMode.SSE1)]
 447                 [CLSCompliant(false)]
 448                 public static unsafe void PrefetchTemporal1stLevelCache (Vector8us *res)
 449                 {
 450                 }
 451
 452                 [Acceleration (AccelMode.SSE1)]
 453                 [CLSCompliant(false)]
 454                 public static unsafe void PrefetchTemporal2ndLevelCache (Vector8us *res)
 455                 {
 456                 }
 457
 458                 [Acceleration (AccelMode.SSE1)]
 459                 [CLSCompliant(false)]
 460                 public static unsafe void PrefetchNonTemporal (Vector8us *res)
 461                 {
 462                 }
 463         }
 464 }