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.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, 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 ByteMaxVector lanewise(Unary op) {
273 return (ByteMaxVector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public ByteMaxVector lanewise(Unary op, VectorMask<Byte> m) {
279 return (ByteMaxVector) super.lanewiseTemplate(op, ByteMaxMask.class, (ByteMaxMask) m); // specialize
280 }
281
282 @Override
283 @ForceInline
284 public ByteMaxVector lanewise(Binary op, Vector<Byte> v) {
285 return (ByteMaxVector) super.lanewiseTemplate(op, v); // specialize
286 }
287
288 @Override
289 @ForceInline
290 public ByteMaxVector lanewise(Binary op, Vector<Byte> v, VectorMask<Byte> m) {
291 return (ByteMaxVector) super.lanewiseTemplate(op, ByteMaxMask.class, v, (ByteMaxMask) m); // specialize
292 }
293
294 /*package-private*/
295 @Override
296 @ForceInline ByteMaxVector
297 lanewiseShift(VectorOperators.Binary op, int e) {
298 return (ByteMaxVector) super.lanewiseShiftTemplate(op, e); // specialize
299 }
300
301 /*package-private*/
302 @Override
303 @ForceInline ByteMaxVector
304 lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Byte> m) {
305 return (ByteMaxVector) super.lanewiseShiftTemplate(op, ByteMaxMask.class, e, (ByteMaxMask) m); // specialize
306 }
307
308 /*package-private*/
309 @Override
310 @ForceInline
311 public final
312 ByteMaxVector
313 lanewise(Ternary op, Vector<Byte> v1, Vector<Byte> v2) {
314 return (ByteMaxVector) super.lanewiseTemplate(op, v1, v2); // specialize
315 }
316
317 @Override
318 @ForceInline
319 public final
320 ByteMaxVector
321 lanewise(Ternary op, Vector<Byte> v1, Vector<Byte> v2, VectorMask<Byte> m) {
322 return (ByteMaxVector) super.lanewiseTemplate(op, ByteMaxMask.class, v1, v2, (ByteMaxMask) m); // specialize
323 }
324
325 @Override
326 @ForceInline
327 public final
328 ByteMaxVector addIndex(int scale) {
329 return (ByteMaxVector) 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, ByteMaxMask.class, (ByteMaxMask) 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, ByteMaxMask.class, (ByteMaxMask) m); // specialized
358 }
359
360 @ForceInline
361 public VectorShuffle<Byte> toShuffle() {
362 return super.toShuffleTemplate(ByteMaxShuffle.class); // specialize
363 }
364
365 // Specialized unary testing
366
367 @Override
368 @ForceInline
369 public final ByteMaxMask test(Test op) {
370 return super.testTemplate(ByteMaxMask.class, op); // specialize
371 }
372
373 @Override
374 @ForceInline
375 public final ByteMaxMask test(Test op, VectorMask<Byte> m) {
376 return super.testTemplate(ByteMaxMask.class, op, (ByteMaxMask) m); // specialize
377 }
378
379 // Specialized comparisons
380
381 @Override
382 @ForceInline
383 public final ByteMaxMask compare(Comparison op, Vector<Byte> v) {
384 return super.compareTemplate(ByteMaxMask.class, op, v); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public final ByteMaxMask compare(Comparison op, byte s) {
390 return super.compareTemplate(ByteMaxMask.class, op, s); // specialize
391 }
392
393 @Override
394 @ForceInline
395 public final ByteMaxMask compare(Comparison op, long s) {
396 return super.compareTemplate(ByteMaxMask.class, op, s); // specialize
397 }
398
399 @Override
400 @ForceInline
401 public final ByteMaxMask compare(Comparison op, Vector<Byte> v, VectorMask<Byte> m) {
402 return super.compareTemplate(ByteMaxMask.class, op, v, (ByteMaxMask) m);
403 }
404
405
406 @Override
407 @ForceInline
408 public ByteMaxVector blend(Vector<Byte> v, VectorMask<Byte> m) {
409 return (ByteMaxVector)
410 super.blendTemplate(ByteMaxMask.class,
411 (ByteMaxVector) v,
412 (ByteMaxMask) m); // specialize
413 }
414
415 @Override
416 @ForceInline
417 public ByteMaxVector slice(int origin, Vector<Byte> v) {
418 return (ByteMaxVector) super.sliceTemplate(origin, v); // specialize
419 }
420
421 @Override
422 @ForceInline
423 public ByteMaxVector slice(int origin) {
424 return (ByteMaxVector) super.sliceTemplate(origin); // specialize
425 }
426
427 @Override
428 @ForceInline
429 public ByteMaxVector unslice(int origin, Vector<Byte> w, int part) {
430 return (ByteMaxVector) super.unsliceTemplate(origin, w, part); // specialize
431 }
432
433 @Override
434 @ForceInline
435 public ByteMaxVector unslice(int origin, Vector<Byte> w, int part, VectorMask<Byte> m) {
436 return (ByteMaxVector)
437 super.unsliceTemplate(ByteMaxMask.class,
438 origin, w, part,
439 (ByteMaxMask) m); // specialize
440 }
441
442 @Override
443 @ForceInline
444 public ByteMaxVector unslice(int origin) {
445 return (ByteMaxVector) super.unsliceTemplate(origin); // specialize
446 }
447
448 @Override
449 @ForceInline
450 public ByteMaxVector rearrange(VectorShuffle<Byte> s) {
451 return (ByteMaxVector)
452 super.rearrangeTemplate(ByteMaxShuffle.class,
453 (ByteMaxShuffle) s); // specialize
454 }
455
456 @Override
457 @ForceInline
458 public ByteMaxVector rearrange(VectorShuffle<Byte> shuffle,
459 VectorMask<Byte> m) {
460 return (ByteMaxVector)
461 super.rearrangeTemplate(ByteMaxShuffle.class,
462 ByteMaxMask.class,
463 (ByteMaxShuffle) shuffle,
464 (ByteMaxMask) m); // specialize
465 }
466
467 @Override
468 @ForceInline
469 public ByteMaxVector rearrange(VectorShuffle<Byte> s,
470 Vector<Byte> v) {
471 return (ByteMaxVector)
472 super.rearrangeTemplate(ByteMaxShuffle.class,
473 (ByteMaxShuffle) s,
474 (ByteMaxVector) v); // specialize
475 }
476
477 @Override
478 @ForceInline
479 public ByteMaxVector selectFrom(Vector<Byte> v) {
480 return (ByteMaxVector)
481 super.selectFromTemplate((ByteMaxVector) v); // specialize
482 }
483
484 @Override
485 @ForceInline
486 public ByteMaxVector selectFrom(Vector<Byte> v,
487 VectorMask<Byte> m) {
488 return (ByteMaxVector)
489 super.selectFromTemplate((ByteMaxVector) v,
490 (ByteMaxMask) m); // specialize
491 }
492
493
494 @ForceInline
495 @Override
496 public byte lane(int i) {
497 if (i < 0 || i >= VLENGTH) {
498 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
499 }
500 return laneHelper(i);
501 }
502
503 public byte laneHelper(int i) {
504 return (byte) VectorSupport.extract(
505 VCLASS, ETYPE, VLENGTH,
506 this, i,
507 (vec, ix) -> {
508 byte[] vecarr = vec.vec();
509 return (long)vecarr[ix];
510 });
511 }
512
513 @ForceInline
514 @Override
515 public ByteMaxVector withLane(int i, byte e) {
516 if (i < 0 || i >= VLENGTH) {
517 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
518 }
519 return withLaneHelper(i, e);
520 }
521
522 public ByteMaxVector withLaneHelper(int i, byte e) {
523 return VectorSupport.insert(
524 VCLASS, ETYPE, VLENGTH,
525 this, i, (long)e,
526 (v, ix, bits) -> {
527 byte[] res = v.vec().clone();
528 res[ix] = (byte)bits;
529 return v.vectorFactory(res);
530 });
531 }
532
533 // Mask
534
535 static final class ByteMaxMask extends AbstractMask<Byte> {
536 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
537 static final Class<Byte> ETYPE = byte.class; // used by the JVM
538
539 ByteMaxMask(boolean[] bits) {
540 this(bits, 0);
541 }
542
543 ByteMaxMask(boolean[] bits, int offset) {
544 super(prepare(bits, offset));
545 }
546
547 ByteMaxMask(boolean val) {
548 super(prepare(val));
549 }
550
551 private static boolean[] prepare(boolean[] bits, int offset) {
552 boolean[] newBits = new boolean[VSPECIES.laneCount()];
553 for (int i = 0; i < newBits.length; i++) {
554 newBits[i] = bits[offset + i];
555 }
556 return newBits;
557 }
558
559 private static boolean[] prepare(boolean val) {
560 boolean[] bits = new boolean[VSPECIES.laneCount()];
561 Arrays.fill(bits, val);
562 return bits;
563 }
564
565 @ForceInline
566 final @Override
567 public ByteSpecies vspecies() {
568 // ISSUE: This should probably be a @Stable
569 // field inside AbstractMask, rather than
570 // a megamorphic method.
571 return VSPECIES;
572 }
573
574 @ForceInline
575 boolean[] getBits() {
576 return (boolean[])getPayload();
577 }
578
579 @Override
580 ByteMaxMask uOp(MUnOp f) {
581 boolean[] res = new boolean[vspecies().laneCount()];
582 boolean[] bits = getBits();
583 for (int i = 0; i < res.length; i++) {
584 res[i] = f.apply(i, bits[i]);
585 }
586 return new ByteMaxMask(res);
587 }
588
589 @Override
590 ByteMaxMask bOp(VectorMask<Byte> m, MBinOp f) {
591 boolean[] res = new boolean[vspecies().laneCount()];
592 boolean[] bits = getBits();
593 boolean[] mbits = ((ByteMaxMask)m).getBits();
594 for (int i = 0; i < res.length; i++) {
595 res[i] = f.apply(i, bits[i], mbits[i]);
596 }
597 return new ByteMaxMask(res);
598 }
599
600 @ForceInline
601 @Override
602 public final
603 ByteMaxVector toVector() {
604 return (ByteMaxVector) super.toVectorTemplate(); // specialize
605 }
606
607 /**
608 * Helper function for lane-wise mask conversions.
609 * This function kicks in after intrinsic failure.
610 */
611 @ForceInline
612 private final <E>
613 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
614 if (length() != dsp.laneCount())
615 throw new IllegalArgumentException("VectorMask length and species length differ");
616 boolean[] maskArray = toArray();
617 return dsp.maskFactory(maskArray).check(dsp);
618 }
619
620 @Override
621 @ForceInline
622 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
623 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
624 if (length() != species.laneCount())
625 throw new IllegalArgumentException("VectorMask length and species length differ");
626
627 return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
628 this.getClass(), ETYPE, VLENGTH,
629 species.maskType(), species.elementType(), VLENGTH,
630 this, species,
631 (m, s) -> s.maskFactory(m.toArray()).check(s));
632 }
633
634 @Override
635 @ForceInline
636 public ByteMaxMask eq(VectorMask<Byte> mask) {
637 Objects.requireNonNull(mask);
638 ByteMaxMask m = (ByteMaxMask)mask;
639 return xor(m.not());
640 }
641
642 // Unary operations
643
644 @Override
645 @ForceInline
646 public ByteMaxMask not() {
647 return xor(maskAll(true));
648 }
649
650 // Binary operations
651
652 @Override
653 @ForceInline
654 public ByteMaxMask and(VectorMask<Byte> mask) {
655 Objects.requireNonNull(mask);
656 ByteMaxMask m = (ByteMaxMask)mask;
657 return VectorSupport.binaryOp(VECTOR_OP_AND, ByteMaxMask.class, null, byte.class, VLENGTH,
658 this, m, null,
659 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
660 }
661
662 @Override
663 @ForceInline
664 public ByteMaxMask or(VectorMask<Byte> mask) {
665 Objects.requireNonNull(mask);
666 ByteMaxMask m = (ByteMaxMask)mask;
667 return VectorSupport.binaryOp(VECTOR_OP_OR, ByteMaxMask.class, null, byte.class, VLENGTH,
668 this, m, null,
669 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
670 }
671
672 @ForceInline
673 /* package-private */
674 ByteMaxMask xor(VectorMask<Byte> mask) {
675 Objects.requireNonNull(mask);
676 ByteMaxMask m = (ByteMaxMask)mask;
677 return VectorSupport.binaryOp(VECTOR_OP_XOR, ByteMaxMask.class, null, byte.class, VLENGTH,
678 this, m, null,
679 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
680 }
681
682 // Mask Query operations
683
684 @Override
685 @ForceInline
686 public int trueCount() {
687 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, ByteMaxMask.class, byte.class, VLENGTH, this,
688 (m) -> trueCountHelper(m.getBits()));
689 }
690
691 @Override
692 @ForceInline
693 public int firstTrue() {
694 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, ByteMaxMask.class, byte.class, VLENGTH, this,
695 (m) -> firstTrueHelper(m.getBits()));
696 }
697
698 @Override
699 @ForceInline
700 public int lastTrue() {
701 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, ByteMaxMask.class, byte.class, VLENGTH, this,
702 (m) -> lastTrueHelper(m.getBits()));
703 }
704
705 @Override
706 @ForceInline
707 public long toLong() {
708 if (length() > Long.SIZE) {
709 throw new UnsupportedOperationException("too many lanes for one long");
710 }
711 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, ByteMaxMask.class, byte.class, VLENGTH, this,
712 (m) -> toLongHelper(m.getBits()));
713 }
714
715 // Reductions
716
717 @Override
718 @ForceInline
719 public boolean anyTrue() {
720 return VectorSupport.test(BT_ne, ByteMaxMask.class, byte.class, VLENGTH,
721 this, vspecies().maskAll(true),
722 (m, __) -> anyTrueHelper(((ByteMaxMask)m).getBits()));
723 }
724
725 @Override
726 @ForceInline
727 public boolean allTrue() {
728 return VectorSupport.test(BT_overflow, ByteMaxMask.class, byte.class, VLENGTH,
729 this, vspecies().maskAll(true),
730 (m, __) -> allTrueHelper(((ByteMaxMask)m).getBits()));
731 }
732
733 @ForceInline
734 /*package-private*/
735 static ByteMaxMask maskAll(boolean bit) {
736 return VectorSupport.fromBitsCoerced(ByteMaxMask.class, byte.class, VLENGTH,
737 (bit ? -1 : 0), MODE_BROADCAST, null,
738 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
739 }
740 private static final ByteMaxMask TRUE_MASK = new ByteMaxMask(true);
741 private static final ByteMaxMask FALSE_MASK = new ByteMaxMask(false);
742
743 }
744
745 // Shuffle
746
747 static final class ByteMaxShuffle extends AbstractShuffle<Byte> {
748 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
749 static final Class<Byte> ETYPE = byte.class; // used by the JVM
750
751 ByteMaxShuffle(byte[] reorder) {
752 super(VLENGTH, reorder);
753 }
754
755 public ByteMaxShuffle(int[] reorder) {
756 super(VLENGTH, reorder);
757 }
758
759 public ByteMaxShuffle(int[] reorder, int i) {
760 super(VLENGTH, reorder, i);
761 }
762
763 public ByteMaxShuffle(IntUnaryOperator fn) {
764 super(VLENGTH, fn);
765 }
766
767 @Override
768 public ByteSpecies vspecies() {
769 return VSPECIES;
770 }
771
772 static {
773 // There must be enough bits in the shuffle lanes to encode
774 // VLENGTH valid indexes and VLENGTH exceptional ones.
775 assert(VLENGTH < Byte.MAX_VALUE);
776 assert(Byte.MIN_VALUE <= -VLENGTH);
777 }
778 static final ByteMaxShuffle IOTA = new ByteMaxShuffle(IDENTITY);
779
780 @Override
781 @ForceInline
782 public ByteMaxVector toVector() {
783 return VectorSupport.shuffleToVector(VCLASS, ETYPE, ByteMaxShuffle.class, this, VLENGTH,
784 (s) -> ((ByteMaxVector)(((AbstractShuffle<Byte>)(s)).toVectorTemplate())));
785 }
786
787 @Override
788 @ForceInline
789 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
790 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
791 if (length() != species.laneCount())
792 throw new IllegalArgumentException("VectorShuffle length and species length differ");
793 int[] shuffleArray = toArray();
794 return s.shuffleFromArray(shuffleArray, 0).check(s);
795 }
796
797 @ForceInline
798 @Override
799 public ByteMaxShuffle rearrange(VectorShuffle<Byte> shuffle) {
800 ByteMaxShuffle s = (ByteMaxShuffle) shuffle;
801 byte[] reorder1 = reorder();
802 byte[] reorder2 = s.reorder();
803 byte[] r = new byte[reorder1.length];
804 for (int i = 0; i < reorder1.length; i++) {
805 int ssi = reorder2[i];
806 r[i] = reorder1[ssi]; // throws on exceptional index
807 }
808 return new ByteMaxShuffle(r);
809 }
810 }
811
812 // ================================================
813
814 // Specialized low-level memory operations.
815
816 @ForceInline
817 @Override
818 final
819 ByteVector fromArray0(byte[] a, int offset) {
820 return super.fromArray0Template(a, offset); // specialize
821 }
822
823 @ForceInline
824 @Override
825 final
826 ByteVector fromArray0(byte[] a, int offset, VectorMask<Byte> m) {
827 return super.fromArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m); // specialize
828 }
829
830
831
832 @ForceInline
833 @Override
834 final
835 ByteVector fromBooleanArray0(boolean[] a, int offset) {
836 return super.fromBooleanArray0Template(a, offset); // specialize
837 }
838
839 @ForceInline
840 @Override
841 final
842 ByteVector fromBooleanArray0(boolean[] a, int offset, VectorMask<Byte> m) {
843 return super.fromBooleanArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m); // specialize
844 }
845
846 @ForceInline
847 @Override
848 final
849 ByteVector fromByteArray0(byte[] a, int offset) {
850 return super.fromByteArray0Template(a, offset); // specialize
851 }
852
853 @ForceInline
854 @Override
855 final
856 ByteVector fromByteArray0(byte[] a, int offset, VectorMask<Byte> m) {
857 return super.fromByteArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m); // specialize
858 }
859
860 @ForceInline
861 @Override
862 final
863 ByteVector fromByteBuffer0(ByteBuffer bb, int offset) {
864 return super.fromByteBuffer0Template(bb, offset); // specialize
865 }
866
867 @ForceInline
868 @Override
869 final
870 ByteVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Byte> m) {
871 return super.fromByteBuffer0Template(ByteMaxMask.class, bb, offset, (ByteMaxMask) m); // specialize
872 }
873
874 @ForceInline
875 @Override
876 final
877 void intoArray0(byte[] a, int offset) {
878 super.intoArray0Template(a, offset); // specialize
879 }
880
881 @ForceInline
882 @Override
883 final
884 void intoArray0(byte[] a, int offset, VectorMask<Byte> m) {
885 super.intoArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m);
886 }
887
888
889 @ForceInline
890 @Override
891 final
892 void intoBooleanArray0(boolean[] a, int offset, VectorMask<Byte> m) {
893 super.intoBooleanArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m);
894 }
895
896 @ForceInline
897 @Override
898 final
899 void intoByteArray0(byte[] a, int offset) {
900 super.intoByteArray0Template(a, offset); // specialize
901 }
902
903 @ForceInline
904 @Override
905 final
906 void intoByteArray0(byte[] a, int offset, VectorMask<Byte> m) {
907 super.intoByteArray0Template(ByteMaxMask.class, a, offset, (ByteMaxMask) m); // specialize
908 }
909
910 @ForceInline
911 @Override
912 final
913 void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Byte> m) {
914 super.intoByteBuffer0Template(ByteMaxMask.class, bb, offset, (ByteMaxMask) m);
915 }
916
917
918 // End of specialized low-level memory operations.
919
920 // ================================================
921
922 }