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 }