1 /* 2 * Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package jdk.incubator.vector; 26 27 import java.util.Arrays; 28 import java.util.Objects; 29 import java.util.function.IntUnaryOperator; 30 31 import jdk.incubator.foreign.MemorySegment; 32 import jdk.internal.vm.annotation.ForceInline; 33 import jdk.internal.vm.vector.VectorSupport; 34 35 import static jdk.internal.vm.vector.VectorSupport.*; 36 37 import static jdk.incubator.vector.VectorOperators.*; 38 39 // -- This file was mechanically generated: Do not edit! -- // 40 41 @SuppressWarnings("cast") // warning: redundant cast 42 final class Byte256Vector extends ByteVector { 43 static final ByteSpecies VSPECIES = 44 (ByteSpecies) ByteVector.SPECIES_256; 45 46 static final VectorShape VSHAPE = 47 VSPECIES.vectorShape(); 48 49 static final Class<Byte256Vector> VCLASS = Byte256Vector.class; 50 51 static final int VSIZE = VSPECIES.vectorBitSize(); 52 53 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM 54 55 static final Class<Byte> ETYPE = byte.class; // used by the JVM 56 57 Byte256Vector(byte[] v) { 58 super(v); 59 } 60 61 // For compatibility as Byte256Vector::new, 62 // stored into species.vectorFactory. 63 Byte256Vector(Object v) { 64 this((byte[]) v); 65 } 66 67 static final Byte256Vector ZERO = new Byte256Vector(new byte[VLENGTH]); 68 static final Byte256Vector IOTA = new Byte256Vector(VSPECIES.iotaArray()); 69 70 static { 71 // Warm up a few species caches. 72 // If we do this too much we will 73 // get NPEs from bootstrap circularity. 74 VSPECIES.dummyVector(); 75 VSPECIES.withLanes(LaneType.BYTE); 76 } 77 78 // Specialized extractors 79 80 @ForceInline 81 final @Override 82 public ByteSpecies vspecies() { 83 // ISSUE: This should probably be a @Stable 84 // field inside AbstractVector, rather than 85 // a megamorphic method. 86 return VSPECIES; 87 } 88 89 @ForceInline 90 @Override 91 public final Class<Byte> elementType() { return byte.class; } 92 93 @ForceInline 94 @Override 95 public final int elementSize() { return Byte.SIZE; } 96 97 @ForceInline 98 @Override 99 public final VectorShape shape() { return VSHAPE; } 100 101 @ForceInline 102 @Override 103 public final int length() { return VLENGTH; } 104 105 @ForceInline 106 @Override 107 public final int bitSize() { return VSIZE; } 108 109 @ForceInline 110 @Override 111 public final int byteSize() { return VSIZE / Byte.SIZE; } 112 113 /*package-private*/ 114 @ForceInline 115 final @Override 116 byte[] vec() { 117 return (byte[])getPayload(); 118 } 119 120 // Virtualized constructors 121 122 @Override 123 @ForceInline 124 public final Byte256Vector broadcast(byte e) { 125 return (Byte256Vector) super.broadcastTemplate(e); // specialize 126 } 127 128 @Override 129 @ForceInline 130 public final Byte256Vector broadcast(long e) { 131 return (Byte256Vector) super.broadcastTemplate(e); // specialize 132 } 133 134 @Override 135 @ForceInline 136 Byte256Mask maskFromArray(boolean[] bits) { 137 return new Byte256Mask(bits); 138 } 139 140 @Override 141 @ForceInline 142 Byte256Shuffle iotaShuffle() { return Byte256Shuffle.IOTA; } 143 144 @ForceInline 145 Byte256Shuffle iotaShuffle(int start, int step, boolean wrap) { 146 if (wrap) { 147 return (Byte256Shuffle)VectorSupport.shuffleIota(ETYPE, Byte256Shuffle.class, VSPECIES, VLENGTH, start, step, 1, 148 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l)))); 149 } else { 150 return (Byte256Shuffle)VectorSupport.shuffleIota(ETYPE, Byte256Shuffle.class, VSPECIES, VLENGTH, start, step, 0, 151 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (i*lstep + lstart))); 152 } 153 } 154 155 @Override 156 @ForceInline 157 Byte256Shuffle shuffleFromBytes(byte[] reorder) { return new Byte256Shuffle(reorder); } 158 159 @Override 160 @ForceInline 161 Byte256Shuffle shuffleFromArray(int[] indexes, int i) { return new Byte256Shuffle(indexes, i); } 162 163 @Override 164 @ForceInline 165 Byte256Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Byte256Shuffle(fn); } 166 167 // Make a vector of the same species but the given elements: 168 @ForceInline 169 final @Override 170 Byte256Vector vectorFactory(byte[] vec) { 171 return new Byte256Vector(vec); 172 } 173 174 @ForceInline 175 final @Override 176 Byte256Vector asByteVectorRaw() { 177 return (Byte256Vector) super.asByteVectorRawTemplate(); // specialize 178 } 179 180 @ForceInline 181 final @Override 182 AbstractVector<?> asVectorRaw(LaneType laneType) { 183 return super.asVectorRawTemplate(laneType); // specialize 184 } 185 186 // Unary operator 187 188 @ForceInline 189 final @Override 190 Byte256Vector uOp(FUnOp f) { 191 return (Byte256Vector) super.uOpTemplate(f); // specialize 192 } 193 194 @ForceInline 195 final @Override 196 Byte256Vector uOp(VectorMask<Byte> m, FUnOp f) { 197 return (Byte256Vector) 198 super.uOpTemplate((Byte256Mask)m, f); // specialize 199 } 200 201 // Binary operator 202 203 @ForceInline 204 final @Override 205 Byte256Vector bOp(Vector<Byte> v, FBinOp f) { 206 return (Byte256Vector) super.bOpTemplate((Byte256Vector)v, f); // specialize 207 } 208 209 @ForceInline 210 final @Override 211 Byte256Vector bOp(Vector<Byte> v, 212 VectorMask<Byte> m, FBinOp f) { 213 return (Byte256Vector) 214 super.bOpTemplate((Byte256Vector)v, (Byte256Mask)m, 215 f); // specialize 216 } 217 218 // Ternary operator 219 220 @ForceInline 221 final @Override 222 Byte256Vector tOp(Vector<Byte> v1, Vector<Byte> v2, FTriOp f) { 223 return (Byte256Vector) 224 super.tOpTemplate((Byte256Vector)v1, (Byte256Vector)v2, 225 f); // specialize 226 } 227 228 @ForceInline 229 final @Override 230 Byte256Vector tOp(Vector<Byte> v1, Vector<Byte> v2, 231 VectorMask<Byte> m, FTriOp f) { 232 return (Byte256Vector) 233 super.tOpTemplate((Byte256Vector)v1, (Byte256Vector)v2, 234 (Byte256Mask)m, f); // specialize 235 } 236 237 @ForceInline 238 final @Override 239 byte rOp(byte v, VectorMask<Byte> m, FBinOp f) { 240 return super.rOpTemplate(v, m, f); // specialize 241 } 242 243 @Override 244 @ForceInline 245 public final <F> 246 Vector<F> convertShape(VectorOperators.Conversion<Byte,F> conv, 247 VectorSpecies<F> rsp, int part) { 248 return super.convertShapeTemplate(conv, rsp, part); // specialize 249 } 250 251 @Override 252 @ForceInline 253 public final <F> 254 Vector<F> reinterpretShape(VectorSpecies<F> toSpecies, int part) { 255 return super.reinterpretShapeTemplate(toSpecies, part); // specialize 256 } 257 258 // Specialized algebraic operations: 259 260 // The following definition forces a specialized version of this 261 // crucial method into the v-table of this class. A call to add() 262 // will inline to a call to lanewise(ADD,), at which point the JIT 263 // intrinsic will have the opcode of ADD, plus all the metadata 264 // for this particular class, enabling it to generate precise 265 // code. 266 // 267 // There is probably no benefit to the JIT to specialize the 268 // masked or broadcast versions of the lanewise method. 269 270 @Override 271 @ForceInline 272 public Byte256Vector lanewise(Unary op) { 273 return (Byte256Vector) super.lanewiseTemplate(op); // specialize 274 } 275 276 @Override 277 @ForceInline 278 public Byte256Vector lanewise(Unary op, VectorMask<Byte> m) { 279 return (Byte256Vector) super.lanewiseTemplate(op, Byte256Mask.class, (Byte256Mask) m); // specialize 280 } 281 282 @Override 283 @ForceInline 284 public Byte256Vector lanewise(Binary op, Vector<Byte> v) { 285 return (Byte256Vector) super.lanewiseTemplate(op, v); // specialize 286 } 287 288 @Override 289 @ForceInline 290 public Byte256Vector lanewise(Binary op, Vector<Byte> v, VectorMask<Byte> m) { 291 return (Byte256Vector) super.lanewiseTemplate(op, Byte256Mask.class, v, (Byte256Mask) m); // specialize 292 } 293 294 /*package-private*/ 295 @Override 296 @ForceInline Byte256Vector 297 lanewiseShift(VectorOperators.Binary op, int e) { 298 return (Byte256Vector) super.lanewiseShiftTemplate(op, e); // specialize 299 } 300 301 /*package-private*/ 302 @Override 303 @ForceInline Byte256Vector 304 lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Byte> m) { 305 return (Byte256Vector) super.lanewiseShiftTemplate(op, Byte256Mask.class, e, (Byte256Mask) m); // specialize 306 } 307 308 /*package-private*/ 309 @Override 310 @ForceInline 311 public final 312 Byte256Vector 313 lanewise(Ternary op, Vector<Byte> v1, Vector<Byte> v2) { 314 return (Byte256Vector) super.lanewiseTemplate(op, v1, v2); // specialize 315 } 316 317 @Override 318 @ForceInline 319 public final 320 Byte256Vector 321 lanewise(Ternary op, Vector<Byte> v1, Vector<Byte> v2, VectorMask<Byte> m) { 322 return (Byte256Vector) super.lanewiseTemplate(op, Byte256Mask.class, v1, v2, (Byte256Mask) m); // specialize 323 } 324 325 @Override 326 @ForceInline 327 public final 328 Byte256Vector addIndex(int scale) { 329 return (Byte256Vector) super.addIndexTemplate(scale); // specialize 330 } 331 332 // Type specific horizontal reductions 333 334 @Override 335 @ForceInline 336 public final byte reduceLanes(VectorOperators.Associative op) { 337 return super.reduceLanesTemplate(op); // specialized 338 } 339 340 @Override 341 @ForceInline 342 public final byte reduceLanes(VectorOperators.Associative op, 343 VectorMask<Byte> m) { 344 return super.reduceLanesTemplate(op, Byte256Mask.class, (Byte256Mask) m); // specialized 345 } 346 347 @Override 348 @ForceInline 349 public final long reduceLanesToLong(VectorOperators.Associative op) { 350 return (long) super.reduceLanesTemplate(op); // specialized 351 } 352 353 @Override 354 @ForceInline 355 public final long reduceLanesToLong(VectorOperators.Associative op, 356 VectorMask<Byte> m) { 357 return (long) super.reduceLanesTemplate(op, Byte256Mask.class, (Byte256Mask) m); // specialized 358 } 359 360 @ForceInline 361 public VectorShuffle<Byte> toShuffle() { 362 return super.toShuffleTemplate(Byte256Shuffle.class); // specialize 363 } 364 365 // Specialized unary testing 366 367 @Override 368 @ForceInline 369 public final Byte256Mask test(Test op) { 370 return super.testTemplate(Byte256Mask.class, op); // specialize 371 } 372 373 @Override 374 @ForceInline 375 public final Byte256Mask test(Test op, VectorMask<Byte> m) { 376 return super.testTemplate(Byte256Mask.class, op, (Byte256Mask) m); // specialize 377 } 378 379 // Specialized comparisons 380 381 @Override 382 @ForceInline 383 public final Byte256Mask compare(Comparison op, Vector<Byte> v) { 384 return super.compareTemplate(Byte256Mask.class, op, v); // specialize 385 } 386 387 @Override 388 @ForceInline 389 public final Byte256Mask compare(Comparison op, byte s) { 390 return super.compareTemplate(Byte256Mask.class, op, s); // specialize 391 } 392 393 @Override 394 @ForceInline 395 public final Byte256Mask compare(Comparison op, long s) { 396 return super.compareTemplate(Byte256Mask.class, op, s); // specialize 397 } 398 399 @Override 400 @ForceInline 401 public final Byte256Mask compare(Comparison op, Vector<Byte> v, VectorMask<Byte> m) { 402 return super.compareTemplate(Byte256Mask.class, op, v, (Byte256Mask) m); 403 } 404 405 406 @Override 407 @ForceInline 408 public Byte256Vector blend(Vector<Byte> v, VectorMask<Byte> m) { 409 return (Byte256Vector) 410 super.blendTemplate(Byte256Mask.class, 411 (Byte256Vector) v, 412 (Byte256Mask) m); // specialize 413 } 414 415 @Override 416 @ForceInline 417 public Byte256Vector slice(int origin, Vector<Byte> v) { 418 return (Byte256Vector) super.sliceTemplate(origin, v); // specialize 419 } 420 421 @Override 422 @ForceInline 423 public Byte256Vector slice(int origin) { 424 return (Byte256Vector) super.sliceTemplate(origin); // specialize 425 } 426 427 @Override 428 @ForceInline 429 public Byte256Vector unslice(int origin, Vector<Byte> w, int part) { 430 return (Byte256Vector) super.unsliceTemplate(origin, w, part); // specialize 431 } 432 433 @Override 434 @ForceInline 435 public Byte256Vector unslice(int origin, Vector<Byte> w, int part, VectorMask<Byte> m) { 436 return (Byte256Vector) 437 super.unsliceTemplate(Byte256Mask.class, 438 origin, w, part, 439 (Byte256Mask) m); // specialize 440 } 441 442 @Override 443 @ForceInline 444 public Byte256Vector unslice(int origin) { 445 return (Byte256Vector) super.unsliceTemplate(origin); // specialize 446 } 447 448 @Override 449 @ForceInline 450 public Byte256Vector rearrange(VectorShuffle<Byte> s) { 451 return (Byte256Vector) 452 super.rearrangeTemplate(Byte256Shuffle.class, 453 (Byte256Shuffle) s); // specialize 454 } 455 456 @Override 457 @ForceInline 458 public Byte256Vector rearrange(VectorShuffle<Byte> shuffle, 459 VectorMask<Byte> m) { 460 return (Byte256Vector) 461 super.rearrangeTemplate(Byte256Shuffle.class, 462 Byte256Mask.class, 463 (Byte256Shuffle) shuffle, 464 (Byte256Mask) m); // specialize 465 } 466 467 @Override 468 @ForceInline 469 public Byte256Vector rearrange(VectorShuffle<Byte> s, 470 Vector<Byte> v) { 471 return (Byte256Vector) 472 super.rearrangeTemplate(Byte256Shuffle.class, 473 (Byte256Shuffle) s, 474 (Byte256Vector) v); // specialize 475 } 476 477 @Override 478 @ForceInline 479 public Byte256Vector compress(VectorMask<Byte> m) { 480 return (Byte256Vector) 481 super.compressTemplate(Byte256Mask.class, 482 (Byte256Mask) m); // specialize 483 } 484 485 @Override 486 @ForceInline 487 public Byte256Vector expand(VectorMask<Byte> m) { 488 return (Byte256Vector) 489 super.expandTemplate(Byte256Mask.class, 490 (Byte256Mask) m); // specialize 491 } 492 493 @Override 494 @ForceInline 495 public Byte256Vector selectFrom(Vector<Byte> v) { 496 return (Byte256Vector) 497 super.selectFromTemplate((Byte256Vector) v); // specialize 498 } 499 500 @Override 501 @ForceInline 502 public Byte256Vector selectFrom(Vector<Byte> v, 503 VectorMask<Byte> m) { 504 return (Byte256Vector) 505 super.selectFromTemplate((Byte256Vector) v, 506 (Byte256Mask) m); // specialize 507 } 508 509 510 @ForceInline 511 @Override 512 public byte lane(int i) { 513 switch(i) { 514 case 0: return laneHelper(0); 515 case 1: return laneHelper(1); 516 case 2: return laneHelper(2); 517 case 3: return laneHelper(3); 518 case 4: return laneHelper(4); 519 case 5: return laneHelper(5); 520 case 6: return laneHelper(6); 521 case 7: return laneHelper(7); 522 case 8: return laneHelper(8); 523 case 9: return laneHelper(9); 524 case 10: return laneHelper(10); 525 case 11: return laneHelper(11); 526 case 12: return laneHelper(12); 527 case 13: return laneHelper(13); 528 case 14: return laneHelper(14); 529 case 15: return laneHelper(15); 530 case 16: return laneHelper(16); 531 case 17: return laneHelper(17); 532 case 18: return laneHelper(18); 533 case 19: return laneHelper(19); 534 case 20: return laneHelper(20); 535 case 21: return laneHelper(21); 536 case 22: return laneHelper(22); 537 case 23: return laneHelper(23); 538 case 24: return laneHelper(24); 539 case 25: return laneHelper(25); 540 case 26: return laneHelper(26); 541 case 27: return laneHelper(27); 542 case 28: return laneHelper(28); 543 case 29: return laneHelper(29); 544 case 30: return laneHelper(30); 545 case 31: return laneHelper(31); 546 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH); 547 } 548 } 549 550 public byte laneHelper(int i) { 551 return (byte) VectorSupport.extract( 552 VCLASS, ETYPE, VLENGTH, 553 this, i, 554 (vec, ix) -> { 555 byte[] vecarr = vec.vec(); 556 return (long)vecarr[ix]; 557 }); 558 } 559 560 @ForceInline 561 @Override 562 public Byte256Vector withLane(int i, byte e) { 563 switch (i) { 564 case 0: return withLaneHelper(0, e); 565 case 1: return withLaneHelper(1, e); 566 case 2: return withLaneHelper(2, e); 567 case 3: return withLaneHelper(3, e); 568 case 4: return withLaneHelper(4, e); 569 case 5: return withLaneHelper(5, e); 570 case 6: return withLaneHelper(6, e); 571 case 7: return withLaneHelper(7, e); 572 case 8: return withLaneHelper(8, e); 573 case 9: return withLaneHelper(9, e); 574 case 10: return withLaneHelper(10, e); 575 case 11: return withLaneHelper(11, e); 576 case 12: return withLaneHelper(12, e); 577 case 13: return withLaneHelper(13, e); 578 case 14: return withLaneHelper(14, e); 579 case 15: return withLaneHelper(15, e); 580 case 16: return withLaneHelper(16, e); 581 case 17: return withLaneHelper(17, e); 582 case 18: return withLaneHelper(18, e); 583 case 19: return withLaneHelper(19, e); 584 case 20: return withLaneHelper(20, e); 585 case 21: return withLaneHelper(21, e); 586 case 22: return withLaneHelper(22, e); 587 case 23: return withLaneHelper(23, e); 588 case 24: return withLaneHelper(24, e); 589 case 25: return withLaneHelper(25, e); 590 case 26: return withLaneHelper(26, e); 591 case 27: return withLaneHelper(27, e); 592 case 28: return withLaneHelper(28, e); 593 case 29: return withLaneHelper(29, e); 594 case 30: return withLaneHelper(30, e); 595 case 31: return withLaneHelper(31, e); 596 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH); 597 } 598 } 599 600 public Byte256Vector withLaneHelper(int i, byte e) { 601 return VectorSupport.insert( 602 VCLASS, ETYPE, VLENGTH, 603 this, i, (long)e, 604 (v, ix, bits) -> { 605 byte[] res = v.vec().clone(); 606 res[ix] = (byte)bits; 607 return v.vectorFactory(res); 608 }); 609 } 610 611 // Mask 612 613 static final class Byte256Mask extends AbstractMask<Byte> { 614 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM 615 static final Class<Byte> ETYPE = byte.class; // used by the JVM 616 617 Byte256Mask(boolean[] bits) { 618 this(bits, 0); 619 } 620 621 Byte256Mask(boolean[] bits, int offset) { 622 super(prepare(bits, offset)); 623 } 624 625 Byte256Mask(boolean val) { 626 super(prepare(val)); 627 } 628 629 private static boolean[] prepare(boolean[] bits, int offset) { 630 boolean[] newBits = new boolean[VSPECIES.laneCount()]; 631 for (int i = 0; i < newBits.length; i++) { 632 newBits[i] = bits[offset + i]; 633 } 634 return newBits; 635 } 636 637 private static boolean[] prepare(boolean val) { 638 boolean[] bits = new boolean[VSPECIES.laneCount()]; 639 Arrays.fill(bits, val); 640 return bits; 641 } 642 643 @ForceInline 644 final @Override 645 public ByteSpecies vspecies() { 646 // ISSUE: This should probably be a @Stable 647 // field inside AbstractMask, rather than 648 // a megamorphic method. 649 return VSPECIES; 650 } 651 652 @ForceInline 653 boolean[] getBits() { 654 return (boolean[])getPayload(); 655 } 656 657 @Override 658 Byte256Mask uOp(MUnOp f) { 659 boolean[] res = new boolean[vspecies().laneCount()]; 660 boolean[] bits = getBits(); 661 for (int i = 0; i < res.length; i++) { 662 res[i] = f.apply(i, bits[i]); 663 } 664 return new Byte256Mask(res); 665 } 666 667 @Override 668 Byte256Mask bOp(VectorMask<Byte> m, MBinOp f) { 669 boolean[] res = new boolean[vspecies().laneCount()]; 670 boolean[] bits = getBits(); 671 boolean[] mbits = ((Byte256Mask)m).getBits(); 672 for (int i = 0; i < res.length; i++) { 673 res[i] = f.apply(i, bits[i], mbits[i]); 674 } 675 return new Byte256Mask(res); 676 } 677 678 @ForceInline 679 @Override 680 public final 681 Byte256Vector toVector() { 682 return (Byte256Vector) super.toVectorTemplate(); // specialize 683 } 684 685 /** 686 * Helper function for lane-wise mask conversions. 687 * This function kicks in after intrinsic failure. 688 */ 689 @ForceInline 690 private final <E> 691 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) { 692 if (length() != dsp.laneCount()) 693 throw new IllegalArgumentException("VectorMask length and species length differ"); 694 boolean[] maskArray = toArray(); 695 return dsp.maskFactory(maskArray).check(dsp); 696 } 697 698 @Override 699 @ForceInline 700 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) { 701 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp; 702 if (length() != species.laneCount()) 703 throw new IllegalArgumentException("VectorMask length and species length differ"); 704 705 return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST, 706 this.getClass(), ETYPE, VLENGTH, 707 species.maskType(), species.elementType(), VLENGTH, 708 this, species, 709 (m, s) -> s.maskFactory(m.toArray()).check(s)); 710 } 711 712 @Override 713 @ForceInline 714 public Byte256Mask eq(VectorMask<Byte> mask) { 715 Objects.requireNonNull(mask); 716 Byte256Mask m = (Byte256Mask)mask; 717 return xor(m.not()); 718 } 719 720 // Unary operations 721 722 @Override 723 @ForceInline 724 public Byte256Mask not() { 725 return xor(maskAll(true)); 726 } 727 728 @Override 729 @ForceInline 730 public Byte256Mask compress() { 731 return (Byte256Mask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS, 732 Byte256Vector.class, Byte256Mask.class, ETYPE, VLENGTH, null, this, 733 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount())); 734 } 735 736 737 // Binary operations 738 739 @Override 740 @ForceInline 741 public Byte256Mask and(VectorMask<Byte> mask) { 742 Objects.requireNonNull(mask); 743 Byte256Mask m = (Byte256Mask)mask; 744 return VectorSupport.binaryOp(VECTOR_OP_AND, Byte256Mask.class, null, byte.class, VLENGTH, 745 this, m, null, 746 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b)); 747 } 748 749 @Override 750 @ForceInline 751 public Byte256Mask or(VectorMask<Byte> mask) { 752 Objects.requireNonNull(mask); 753 Byte256Mask m = (Byte256Mask)mask; 754 return VectorSupport.binaryOp(VECTOR_OP_OR, Byte256Mask.class, null, byte.class, VLENGTH, 755 this, m, null, 756 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b)); 757 } 758 759 @ForceInline 760 /* package-private */ 761 Byte256Mask xor(VectorMask<Byte> mask) { 762 Objects.requireNonNull(mask); 763 Byte256Mask m = (Byte256Mask)mask; 764 return VectorSupport.binaryOp(VECTOR_OP_XOR, Byte256Mask.class, null, byte.class, VLENGTH, 765 this, m, null, 766 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b)); 767 } 768 769 // Mask Query operations 770 771 @Override 772 @ForceInline 773 public int trueCount() { 774 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Byte256Mask.class, byte.class, VLENGTH, this, 775 (m) -> trueCountHelper(m.getBits())); 776 } 777 778 @Override 779 @ForceInline 780 public int firstTrue() { 781 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Byte256Mask.class, byte.class, VLENGTH, this, 782 (m) -> firstTrueHelper(m.getBits())); 783 } 784 785 @Override 786 @ForceInline 787 public int lastTrue() { 788 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Byte256Mask.class, byte.class, VLENGTH, this, 789 (m) -> lastTrueHelper(m.getBits())); 790 } 791 792 @Override 793 @ForceInline 794 public long toLong() { 795 if (length() > Long.SIZE) { 796 throw new UnsupportedOperationException("too many lanes for one long"); 797 } 798 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Byte256Mask.class, byte.class, VLENGTH, this, 799 (m) -> toLongHelper(m.getBits())); 800 } 801 802 // Reductions 803 804 @Override 805 @ForceInline 806 public boolean anyTrue() { 807 return VectorSupport.test(BT_ne, Byte256Mask.class, byte.class, VLENGTH, 808 this, vspecies().maskAll(true), 809 (m, __) -> anyTrueHelper(((Byte256Mask)m).getBits())); 810 } 811 812 @Override 813 @ForceInline 814 public boolean allTrue() { 815 return VectorSupport.test(BT_overflow, Byte256Mask.class, byte.class, VLENGTH, 816 this, vspecies().maskAll(true), 817 (m, __) -> allTrueHelper(((Byte256Mask)m).getBits())); 818 } 819 820 @ForceInline 821 /*package-private*/ 822 static Byte256Mask maskAll(boolean bit) { 823 return VectorSupport.fromBitsCoerced(Byte256Mask.class, byte.class, VLENGTH, 824 (bit ? -1 : 0), MODE_BROADCAST, null, 825 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK)); 826 } 827 private static final Byte256Mask TRUE_MASK = new Byte256Mask(true); 828 private static final Byte256Mask FALSE_MASK = new Byte256Mask(false); 829 830 } 831 832 // Shuffle 833 834 static final class Byte256Shuffle extends AbstractShuffle<Byte> { 835 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM 836 static final Class<Byte> ETYPE = byte.class; // used by the JVM 837 838 Byte256Shuffle(byte[] reorder) { 839 super(VLENGTH, reorder); 840 } 841 842 public Byte256Shuffle(int[] reorder) { 843 super(VLENGTH, reorder); 844 } 845 846 public Byte256Shuffle(int[] reorder, int i) { 847 super(VLENGTH, reorder, i); 848 } 849 850 public Byte256Shuffle(IntUnaryOperator fn) { 851 super(VLENGTH, fn); 852 } 853 854 @Override 855 public ByteSpecies vspecies() { 856 return VSPECIES; 857 } 858 859 static { 860 // There must be enough bits in the shuffle lanes to encode 861 // VLENGTH valid indexes and VLENGTH exceptional ones. 862 assert(VLENGTH < Byte.MAX_VALUE); 863 assert(Byte.MIN_VALUE <= -VLENGTH); 864 } 865 static final Byte256Shuffle IOTA = new Byte256Shuffle(IDENTITY); 866 867 @Override 868 @ForceInline 869 public Byte256Vector toVector() { 870 return VectorSupport.shuffleToVector(VCLASS, ETYPE, Byte256Shuffle.class, this, VLENGTH, 871 (s) -> ((Byte256Vector)(((AbstractShuffle<Byte>)(s)).toVectorTemplate()))); 872 } 873 874 @Override 875 @ForceInline 876 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) { 877 AbstractSpecies<F> species = (AbstractSpecies<F>) s; 878 if (length() != species.laneCount()) 879 throw new IllegalArgumentException("VectorShuffle length and species length differ"); 880 int[] shuffleArray = toArray(); 881 return s.shuffleFromArray(shuffleArray, 0).check(s); 882 } 883 884 @ForceInline 885 @Override 886 public Byte256Shuffle rearrange(VectorShuffle<Byte> shuffle) { 887 Byte256Shuffle s = (Byte256Shuffle) shuffle; 888 byte[] reorder1 = reorder(); 889 byte[] reorder2 = s.reorder(); 890 byte[] r = new byte[reorder1.length]; 891 for (int i = 0; i < reorder1.length; i++) { 892 int ssi = reorder2[i]; 893 r[i] = reorder1[ssi]; // throws on exceptional index 894 } 895 return new Byte256Shuffle(r); 896 } 897 } 898 899 // ================================================ 900 901 // Specialized low-level memory operations. 902 903 @ForceInline 904 @Override 905 final 906 ByteVector fromArray0(byte[] a, int offset) { 907 return super.fromArray0Template(a, offset); // specialize 908 } 909 910 @ForceInline 911 @Override 912 final 913 ByteVector fromArray0(byte[] a, int offset, VectorMask<Byte> m) { 914 return super.fromArray0Template(Byte256Mask.class, a, offset, (Byte256Mask) m); // specialize 915 } 916 917 918 919 @ForceInline 920 @Override 921 final 922 ByteVector fromBooleanArray0(boolean[] a, int offset) { 923 return super.fromBooleanArray0Template(a, offset); // specialize 924 } 925 926 @ForceInline 927 @Override 928 final 929 ByteVector fromBooleanArray0(boolean[] a, int offset, VectorMask<Byte> m) { 930 return super.fromBooleanArray0Template(Byte256Mask.class, a, offset, (Byte256Mask) m); // specialize 931 } 932 933 @ForceInline 934 @Override 935 final 936 ByteVector fromMemorySegment0(MemorySegment ms, long offset) { 937 return super.fromMemorySegment0Template(ms, offset); // specialize 938 } 939 940 @ForceInline 941 @Override 942 final 943 ByteVector fromMemorySegment0(MemorySegment ms, long offset, VectorMask<Byte> m) { 944 return super.fromMemorySegment0Template(Byte256Mask.class, ms, offset, (Byte256Mask) m); // specialize 945 } 946 947 @ForceInline 948 @Override 949 final 950 void intoArray0(byte[] a, int offset) { 951 super.intoArray0Template(a, offset); // specialize 952 } 953 954 @ForceInline 955 @Override 956 final 957 void intoArray0(byte[] a, int offset, VectorMask<Byte> m) { 958 super.intoArray0Template(Byte256Mask.class, a, offset, (Byte256Mask) m); 959 } 960 961 962 @ForceInline 963 @Override 964 final 965 void intoBooleanArray0(boolean[] a, int offset, VectorMask<Byte> m) { 966 super.intoBooleanArray0Template(Byte256Mask.class, a, offset, (Byte256Mask) m); 967 } 968 969 @ForceInline 970 @Override 971 final 972 void intoMemorySegment0(MemorySegment ms, long offset, VectorMask<Byte> m) { 973 super.intoMemorySegment0Template(Byte256Mask.class, ms, offset, (Byte256Mask) m); 974 } 975 976 977 // End of specialized low-level memory operations. 978 979 // ================================================ 980 981 }