1 /*
2 * Copyright (c) 2017, 2021, 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.nio.ByteBuffer;
28 import java.util.Arrays;
29 import java.util.Objects;
30 import java.util.function.IntUnaryOperator;
31
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 ByteMaxVector extends ByteVector {
43 static final ByteSpecies VSPECIES =
44 (ByteSpecies) ByteVector.SPECIES_MAX;
45
46 static final VectorShape VSHAPE =
47 VSPECIES.vectorShape();
48
49 static final Class<ByteMaxVector> VCLASS = ByteMaxVector.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 ByteMaxVector(byte[] v) {
58 super(v);
59 }
60
61 // For compatibility as ByteMaxVector::new,
62 // stored into species.vectorFactory.
63 ByteMaxVector(Object v) {
64 this((byte[]) v);
65 }
66
67 static final ByteMaxVector ZERO = new ByteMaxVector(new byte[VLENGTH]);
68 static final ByteMaxVector IOTA = new ByteMaxVector(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 ByteMaxVector broadcast(byte e) {
125 return (ByteMaxVector) super.broadcastTemplate(e); // specialize
126 }
127
128 @Override
129 @ForceInline
130 public final ByteMaxVector broadcast(long e) {
131 return (ByteMaxVector) super.broadcastTemplate(e); // specialize
132 }
133
134 @Override
135 @ForceInline
136 ByteMaxMask maskFromArray(boolean[] bits) {
137 return new ByteMaxMask(bits);
138 }
139
140 @Override
141 @ForceInline
142 ByteMaxShuffle iotaShuffle() { return ByteMaxShuffle.IOTA; }
143
144 @ForceInline
145 ByteMaxShuffle iotaShuffle(int start, int step, boolean wrap) {
146 if (wrap) {
147 return (ByteMaxShuffle)VectorSupport.shuffleIota(ETYPE, ByteMaxShuffle.class, VSPECIES, VLENGTH, start, step, 1,
148 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149 } else {
150 return (ByteMaxShuffle)VectorSupport.shuffleIota(ETYPE, ByteMaxShuffle.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 ByteMaxShuffle shuffleFromBytes(byte[] reorder) { return new ByteMaxShuffle(reorder); }
158
159 @Override
160 @ForceInline
161 ByteMaxShuffle shuffleFromArray(int[] indexes, int i) { return new ByteMaxShuffle(indexes, i); }
162
163 @Override
164 @ForceInline
165 ByteMaxShuffle shuffleFromOp(IntUnaryOperator fn) { return new ByteMaxShuffle(fn); }
166
167 // Make a vector of the same species but the given elements:
168 @ForceInline
169 final @Override
170 ByteMaxVector vectorFactory(byte[] vec) {
171 return new ByteMaxVector(vec);
172 }
173
174 @ForceInline
175 final @Override
176 ByteMaxVector asByteVectorRaw() {
177 return (ByteMaxVector) 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 ByteMaxVector uOp(FUnOp f) {
191 return (ByteMaxVector) super.uOpTemplate(f); // specialize
192 }
193
194 @ForceInline
195 final @Override
196 ByteMaxVector uOp(VectorMask<Byte> m, FUnOp f) {
197 return (ByteMaxVector)
198 super.uOpTemplate((ByteMaxMask)m, f); // specialize
199 }
200
201 // Binary operator
202
203 @ForceInline
204 final @Override
205 ByteMaxVector bOp(Vector<Byte> v, FBinOp f) {
206 return (ByteMaxVector) super.bOpTemplate((ByteMaxVector)v, f); // specialize
207 }
208
209 @ForceInline
210 final @Override
211 ByteMaxVector bOp(Vector<Byte> v,
212 VectorMask<Byte> m, FBinOp f) {
213 return (ByteMaxVector)
214 super.bOpTemplate((ByteMaxVector)v, (ByteMaxMask)m,
215 f); // specialize
216 }
217
218 // Ternary operator
219
220 @ForceInline
221 final @Override
222 ByteMaxVector tOp(Vector<Byte> v1, Vector<Byte> v2, FTriOp f) {
223 return (ByteMaxVector)
224 super.tOpTemplate((ByteMaxVector)v1, (ByteMaxVector)v2,
225 f); // specialize
226 }
227
228 @ForceInline
229 final @Override
230 ByteMaxVector tOp(Vector<Byte> v1, Vector<Byte> v2,
231 VectorMask<Byte> m, FTriOp f) {
232 return (ByteMaxVector)
233 super.tOpTemplate((ByteMaxVector)v1, (ByteMaxVector)v2,
234 (ByteMaxMask)m, f); // specialize
235 }
236
237 @ForceInline
238 final @Override
239 byte rOp(byte v, FBinOp f) {
240 return super.rOpTemplate(v, 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 ByteMaxVector lanewise(Unary op) {
273 return (ByteMaxVector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public ByteMaxVector lanewise(Binary op, Vector<Byte> v) {
279 return (ByteMaxVector) super.lanewiseTemplate(op, v); // specialize
280 }
281
282 /*package-private*/
283 @Override
284 @ForceInline ByteMaxVector
285 lanewiseShift(VectorOperators.Binary op, int e) {
286 return (ByteMaxVector) super.lanewiseShiftTemplate(op, e); // specialize
287 }
288
289 /*package-private*/
290 @Override
291 @ForceInline
292 public final
293 ByteMaxVector
294 lanewise(VectorOperators.Ternary op, Vector<Byte> v1, Vector<Byte> v2) {
295 return (ByteMaxVector) super.lanewiseTemplate(op, v1, v2); // specialize
296 }
297
298 @Override
299 @ForceInline
300 public final
301 ByteMaxVector addIndex(int scale) {
302 return (ByteMaxVector) super.addIndexTemplate(scale); // specialize
303 }
304
305 // Type specific horizontal reductions
306
307 @Override
308 @ForceInline
309 public final byte reduceLanes(VectorOperators.Associative op) {
310 return super.reduceLanesTemplate(op); // specialized
311 }
312
313 @Override
314 @ForceInline
315 public final byte reduceLanes(VectorOperators.Associative op,
316 VectorMask<Byte> m) {
317 return super.reduceLanesTemplate(op, m); // specialized
318 }
319
320 @Override
321 @ForceInline
322 public final long reduceLanesToLong(VectorOperators.Associative op) {
323 return (long) super.reduceLanesTemplate(op); // specialized
324 }
325
326 @Override
327 @ForceInline
328 public final long reduceLanesToLong(VectorOperators.Associative op,
329 VectorMask<Byte> m) {
330 return (long) super.reduceLanesTemplate(op, m); // specialized
331 }
332
333 @ForceInline
334 public VectorShuffle<Byte> toShuffle() {
335 return super.toShuffleTemplate(ByteMaxShuffle.class); // specialize
336 }
337
338 // Specialized unary testing
339
340 @Override
341 @ForceInline
342 public final ByteMaxMask test(Test op) {
343 return super.testTemplate(ByteMaxMask.class, op); // specialize
344 }
345
346 // Specialized comparisons
347
348 @Override
349 @ForceInline
350 public final ByteMaxMask compare(Comparison op, Vector<Byte> v) {
351 return super.compareTemplate(ByteMaxMask.class, op, v); // specialize
352 }
353
354 @Override
355 @ForceInline
356 public final ByteMaxMask compare(Comparison op, byte s) {
357 return super.compareTemplate(ByteMaxMask.class, op, s); // specialize
358 }
359
360 @Override
361 @ForceInline
362 public final ByteMaxMask compare(Comparison op, long s) {
363 return super.compareTemplate(ByteMaxMask.class, op, s); // specialize
364 }
365
366 @Override
367 @ForceInline
368 public ByteMaxVector blend(Vector<Byte> v, VectorMask<Byte> m) {
369 return (ByteMaxVector)
370 super.blendTemplate(ByteMaxMask.class,
371 (ByteMaxVector) v,
372 (ByteMaxMask) m); // specialize
373 }
374
375 @Override
376 @ForceInline
377 public ByteMaxVector slice(int origin, Vector<Byte> v) {
378 return (ByteMaxVector) super.sliceTemplate(origin, v); // specialize
379 }
380
381 @Override
382 @ForceInline
383 public ByteMaxVector slice(int origin) {
384 return (ByteMaxVector) super.sliceTemplate(origin); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public ByteMaxVector unslice(int origin, Vector<Byte> w, int part) {
390 return (ByteMaxVector) super.unsliceTemplate(origin, w, part); // specialize
391 }
392
393 @Override
394 @ForceInline
395 public ByteMaxVector unslice(int origin, Vector<Byte> w, int part, VectorMask<Byte> m) {
396 return (ByteMaxVector)
397 super.unsliceTemplate(ByteMaxMask.class,
398 origin, w, part,
399 (ByteMaxMask) m); // specialize
400 }
401
402 @Override
403 @ForceInline
404 public ByteMaxVector unslice(int origin) {
405 return (ByteMaxVector) super.unsliceTemplate(origin); // specialize
406 }
407
408 @Override
409 @ForceInline
410 public ByteMaxVector rearrange(VectorShuffle<Byte> s) {
411 return (ByteMaxVector)
412 super.rearrangeTemplate(ByteMaxShuffle.class,
413 (ByteMaxShuffle) s); // specialize
414 }
415
416 @Override
417 @ForceInline
418 public ByteMaxVector rearrange(VectorShuffle<Byte> shuffle,
419 VectorMask<Byte> m) {
420 return (ByteMaxVector)
421 super.rearrangeTemplate(ByteMaxShuffle.class,
422 (ByteMaxShuffle) shuffle,
423 (ByteMaxMask) m); // specialize
424 }
425
426 @Override
427 @ForceInline
428 public ByteMaxVector rearrange(VectorShuffle<Byte> s,
429 Vector<Byte> v) {
430 return (ByteMaxVector)
431 super.rearrangeTemplate(ByteMaxShuffle.class,
432 (ByteMaxShuffle) s,
433 (ByteMaxVector) v); // specialize
434 }
435
436 @Override
437 @ForceInline
438 public ByteMaxVector selectFrom(Vector<Byte> v) {
439 return (ByteMaxVector)
440 super.selectFromTemplate((ByteMaxVector) v); // specialize
441 }
442
443 @Override
444 @ForceInline
445 public ByteMaxVector selectFrom(Vector<Byte> v,
446 VectorMask<Byte> m) {
447 return (ByteMaxVector)
448 super.selectFromTemplate((ByteMaxVector) v,
449 (ByteMaxMask) m); // specialize
450 }
451
452
453 @ForceInline
454 @Override
455 public byte lane(int i) {
456 if (i < 0 || i >= VLENGTH) {
457 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
458 }
459 return laneHelper(i);
460 }
461
462 public byte laneHelper(int i) {
463 return (byte) VectorSupport.extract(
464 VCLASS, ETYPE, VLENGTH,
465 this, i,
466 (vec, ix) -> {
467 byte[] vecarr = vec.vec();
468 return (long)vecarr[ix];
469 });
470 }
471
472 @ForceInline
473 @Override
474 public ByteMaxVector withLane(int i, byte e) {
475 if (i < 0 || i >= VLENGTH) {
476 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
477 }
478 return withLaneHelper(i, e);
479 }
480
481 public ByteMaxVector withLaneHelper(int i, byte e) {
482 return VectorSupport.insert(
483 VCLASS, ETYPE, VLENGTH,
484 this, i, (long)e,
485 (v, ix, bits) -> {
486 byte[] res = v.vec().clone();
487 res[ix] = (byte)bits;
488 return v.vectorFactory(res);
489 });
490 }
491
492 // Mask
493
494 static final class ByteMaxMask extends AbstractMask<Byte> {
495 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
496 static final Class<Byte> ETYPE = byte.class; // used by the JVM
497
498 ByteMaxMask(boolean[] bits) {
499 this(bits, 0);
500 }
501
502 ByteMaxMask(boolean[] bits, int offset) {
503 super(prepare(bits, offset));
504 }
505
506 ByteMaxMask(boolean val) {
507 super(prepare(val));
508 }
509
510 private static boolean[] prepare(boolean[] bits, int offset) {
511 boolean[] newBits = new boolean[VSPECIES.laneCount()];
512 for (int i = 0; i < newBits.length; i++) {
513 newBits[i] = bits[offset + i];
514 }
515 return newBits;
516 }
517
518 private static boolean[] prepare(boolean val) {
519 boolean[] bits = new boolean[VSPECIES.laneCount()];
520 Arrays.fill(bits, val);
521 return bits;
522 }
523
524 @ForceInline
525 final @Override
526 public ByteSpecies vspecies() {
527 // ISSUE: This should probably be a @Stable
528 // field inside AbstractMask, rather than
529 // a megamorphic method.
530 return VSPECIES;
531 }
532
533 @ForceInline
534 boolean[] getBits() {
535 return (boolean[])getPayload();
536 }
537
538 @Override
539 ByteMaxMask uOp(MUnOp f) {
540 boolean[] res = new boolean[vspecies().laneCount()];
541 boolean[] bits = getBits();
542 for (int i = 0; i < res.length; i++) {
543 res[i] = f.apply(i, bits[i]);
544 }
545 return new ByteMaxMask(res);
546 }
547
548 @Override
549 ByteMaxMask bOp(VectorMask<Byte> m, MBinOp f) {
550 boolean[] res = new boolean[vspecies().laneCount()];
551 boolean[] bits = getBits();
552 boolean[] mbits = ((ByteMaxMask)m).getBits();
553 for (int i = 0; i < res.length; i++) {
554 res[i] = f.apply(i, bits[i], mbits[i]);
555 }
556 return new ByteMaxMask(res);
557 }
558
559 @ForceInline
560 @Override
561 public final
562 ByteMaxVector toVector() {
563 return (ByteMaxVector) super.toVectorTemplate(); // specialize
564 }
565
566 /**
567 * Helper function for lane-wise mask conversions.
568 * This function kicks in after intrinsic failure.
569 */
570 @ForceInline
571 private final <E>
572 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
573 if (length() != dsp.laneCount())
574 throw new IllegalArgumentException("VectorMask length and species length differ");
575 boolean[] maskArray = toArray();
576 return dsp.maskFactory(maskArray).check(dsp);
577 }
578
579 @Override
580 @ForceInline
581 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
582 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
583 if (length() != species.laneCount())
584 throw new IllegalArgumentException("VectorMask length and species length differ");
585 if (VSIZE == species.vectorBitSize()) {
586 Class<?> dtype = species.elementType();
587 Class<?> dmtype = species.maskType();
588 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
589 this.getClass(), ETYPE, VLENGTH,
590 dmtype, dtype, VLENGTH,
591 this, species,
592 ByteMaxMask::defaultMaskCast);
593 }
594 return this.defaultMaskCast(species);
595 }
596
597 @Override
598 @ForceInline
599 public ByteMaxMask eq(VectorMask<Byte> mask) {
600 Objects.requireNonNull(mask);
601 ByteMaxMask m = (ByteMaxMask)mask;
602 return xor(m.not());
603 }
604
605 // Unary operations
606
607 @Override
608 @ForceInline
609 public ByteMaxMask not() {
610 return xor(maskAll(true));
611 }
612
613 // Binary operations
614
615 @Override
616 @ForceInline
617 public ByteMaxMask and(VectorMask<Byte> mask) {
618 Objects.requireNonNull(mask);
619 ByteMaxMask m = (ByteMaxMask)mask;
620 return VectorSupport.binaryOp(VECTOR_OP_AND, ByteMaxMask.class, byte.class, VLENGTH,
621 this, m,
622 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
623 }
624
625 @Override
626 @ForceInline
627 public ByteMaxMask or(VectorMask<Byte> mask) {
628 Objects.requireNonNull(mask);
629 ByteMaxMask m = (ByteMaxMask)mask;
630 return VectorSupport.binaryOp(VECTOR_OP_OR, ByteMaxMask.class, byte.class, VLENGTH,
631 this, m,
632 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
633 }
634
635 @ForceInline
636 /* package-private */
637 ByteMaxMask xor(VectorMask<Byte> mask) {
638 Objects.requireNonNull(mask);
639 ByteMaxMask m = (ByteMaxMask)mask;
640 return VectorSupport.binaryOp(VECTOR_OP_XOR, ByteMaxMask.class, byte.class, VLENGTH,
641 this, m,
642 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
643 }
644
645 // Mask Query operations
646
647 @Override
648 @ForceInline
649 public int trueCount() {
650 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, ByteMaxMask.class, byte.class, VLENGTH, this,
651 (m) -> trueCountHelper(((ByteMaxMask)m).getBits()));
652 }
653
654 @Override
655 @ForceInline
656 public int firstTrue() {
657 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, ByteMaxMask.class, byte.class, VLENGTH, this,
658 (m) -> firstTrueHelper(((ByteMaxMask)m).getBits()));
659 }
660
661 @Override
662 @ForceInline
663 public int lastTrue() {
664 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, ByteMaxMask.class, byte.class, VLENGTH, this,
665 (m) -> lastTrueHelper(((ByteMaxMask)m).getBits()));
666 }
667
668 // Reductions
669
670 @Override
671 @ForceInline
672 public boolean anyTrue() {
673 return VectorSupport.test(BT_ne, ByteMaxMask.class, byte.class, VLENGTH,
674 this, vspecies().maskAll(true),
675 (m, __) -> anyTrueHelper(((ByteMaxMask)m).getBits()));
676 }
677
678 @Override
679 @ForceInline
680 public boolean allTrue() {
681 return VectorSupport.test(BT_overflow, ByteMaxMask.class, byte.class, VLENGTH,
682 this, vspecies().maskAll(true),
683 (m, __) -> allTrueHelper(((ByteMaxMask)m).getBits()));
684 }
685
686 @ForceInline
687 /*package-private*/
688 static ByteMaxMask maskAll(boolean bit) {
689 return VectorSupport.broadcastCoerced(ByteMaxMask.class, byte.class, VLENGTH,
690 (bit ? -1 : 0), null,
691 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
692 }
693 private static final ByteMaxMask TRUE_MASK = new ByteMaxMask(true);
694 private static final ByteMaxMask FALSE_MASK = new ByteMaxMask(false);
695
696 }
697
698 // Shuffle
699
700 static final class ByteMaxShuffle extends AbstractShuffle<Byte> {
701 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
702 static final Class<Byte> ETYPE = byte.class; // used by the JVM
703
704 ByteMaxShuffle(byte[] reorder) {
705 super(VLENGTH, reorder);
706 }
707
708 public ByteMaxShuffle(int[] reorder) {
709 super(VLENGTH, reorder);
710 }
711
712 public ByteMaxShuffle(int[] reorder, int i) {
713 super(VLENGTH, reorder, i);
714 }
715
716 public ByteMaxShuffle(IntUnaryOperator fn) {
717 super(VLENGTH, fn);
718 }
719
720 @Override
721 public ByteSpecies vspecies() {
722 return VSPECIES;
723 }
724
725 static {
726 // There must be enough bits in the shuffle lanes to encode
727 // VLENGTH valid indexes and VLENGTH exceptional ones.
728 assert(VLENGTH < Byte.MAX_VALUE);
729 assert(Byte.MIN_VALUE <= -VLENGTH);
730 }
731 static final ByteMaxShuffle IOTA = new ByteMaxShuffle(IDENTITY);
732
733 @Override
734 @ForceInline
735 public ByteMaxVector toVector() {
736 return VectorSupport.shuffleToVector(VCLASS, ETYPE, ByteMaxShuffle.class, this, VLENGTH,
737 (s) -> ((ByteMaxVector)(((AbstractShuffle<Byte>)(s)).toVectorTemplate())));
738 }
739
740 @Override
741 @ForceInline
742 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
743 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
744 if (length() != species.laneCount())
745 throw new IllegalArgumentException("VectorShuffle length and species length differ");
746 int[] shuffleArray = toArray();
747 return s.shuffleFromArray(shuffleArray, 0).check(s);
748 }
749
750 @ForceInline
751 @Override
752 public ByteMaxShuffle rearrange(VectorShuffle<Byte> shuffle) {
753 ByteMaxShuffle s = (ByteMaxShuffle) shuffle;
754 byte[] reorder1 = reorder();
755 byte[] reorder2 = s.reorder();
756 byte[] r = new byte[reorder1.length];
757 for (int i = 0; i < reorder1.length; i++) {
758 int ssi = reorder2[i];
759 r[i] = reorder1[ssi]; // throws on exceptional index
760 }
761 return new ByteMaxShuffle(r);
762 }
763 }
764
765 // ================================================
766
767 // Specialized low-level memory operations.
768
769 @ForceInline
770 @Override
771 final
772 ByteVector fromArray0(byte[] a, int offset) {
773 return super.fromArray0Template(a, offset); // specialize
774 }
775
776
777 @ForceInline
778 @Override
779 final
780 ByteVector fromBooleanArray0(boolean[] a, int offset) {
781 return super.fromBooleanArray0Template(a, offset); // specialize
782 }
783
784 @ForceInline
785 @Override
786 final
787 ByteVector fromByteArray0(byte[] a, int offset) {
788 return super.fromByteArray0Template(a, offset); // specialize
789 }
790
791 @ForceInline
792 @Override
793 final
794 ByteVector fromByteBuffer0(ByteBuffer bb, int offset) {
795 return super.fromByteBuffer0Template(bb, offset); // specialize
796 }
797
798 @ForceInline
799 @Override
800 final
801 void intoArray0(byte[] a, int offset) {
802 super.intoArray0Template(a, offset); // specialize
803 }
804
805 @ForceInline
806 @Override
807 final
808 void intoByteArray0(byte[] a, int offset) {
809 super.intoByteArray0Template(a, offset); // specialize
810 }
811
812 // End of specialized low-level memory operations.
813
814 // ================================================
815
816 }