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 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, 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 Byte256Vector lanewise(Unary op) {
273 return (Byte256Vector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public Byte256Vector lanewise(Binary op, Vector<Byte> v) {
279 return (Byte256Vector) super.lanewiseTemplate(op, v); // specialize
280 }
281
282 /*package-private*/
283 @Override
284 @ForceInline Byte256Vector
285 lanewiseShift(VectorOperators.Binary op, int e) {
286 return (Byte256Vector) super.lanewiseShiftTemplate(op, e); // specialize
287 }
288
289 /*package-private*/
290 @Override
291 @ForceInline
292 public final
293 Byte256Vector
294 lanewise(VectorOperators.Ternary op, Vector<Byte> v1, Vector<Byte> v2) {
295 return (Byte256Vector) super.lanewiseTemplate(op, v1, v2); // specialize
296 }
297
298 @Override
299 @ForceInline
300 public final
301 Byte256Vector addIndex(int scale) {
302 return (Byte256Vector) 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(Byte256Shuffle.class); // specialize
336 }
337
338 // Specialized unary testing
339
340 @Override
341 @ForceInline
342 public final Byte256Mask test(Test op) {
343 return super.testTemplate(Byte256Mask.class, op); // specialize
344 }
345
346 // Specialized comparisons
347
348 @Override
349 @ForceInline
350 public final Byte256Mask compare(Comparison op, Vector<Byte> v) {
351 return super.compareTemplate(Byte256Mask.class, op, v); // specialize
352 }
353
354 @Override
355 @ForceInline
356 public final Byte256Mask compare(Comparison op, byte s) {
357 return super.compareTemplate(Byte256Mask.class, op, s); // specialize
358 }
359
360 @Override
361 @ForceInline
362 public final Byte256Mask compare(Comparison op, long s) {
363 return super.compareTemplate(Byte256Mask.class, op, s); // specialize
364 }
365
366 @Override
367 @ForceInline
368 public Byte256Vector blend(Vector<Byte> v, VectorMask<Byte> m) {
369 return (Byte256Vector)
370 super.blendTemplate(Byte256Mask.class,
371 (Byte256Vector) v,
372 (Byte256Mask) m); // specialize
373 }
374
375 @Override
376 @ForceInline
377 public Byte256Vector slice(int origin, Vector<Byte> v) {
378 return (Byte256Vector) super.sliceTemplate(origin, v); // specialize
379 }
380
381 @Override
382 @ForceInline
383 public Byte256Vector slice(int origin) {
384 return (Byte256Vector) super.sliceTemplate(origin); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public Byte256Vector unslice(int origin, Vector<Byte> w, int part) {
390 return (Byte256Vector) super.unsliceTemplate(origin, w, part); // specialize
391 }
392
393 @Override
394 @ForceInline
395 public Byte256Vector unslice(int origin, Vector<Byte> w, int part, VectorMask<Byte> m) {
396 return (Byte256Vector)
397 super.unsliceTemplate(Byte256Mask.class,
398 origin, w, part,
399 (Byte256Mask) m); // specialize
400 }
401
402 @Override
403 @ForceInline
404 public Byte256Vector unslice(int origin) {
405 return (Byte256Vector) super.unsliceTemplate(origin); // specialize
406 }
407
408 @Override
409 @ForceInline
410 public Byte256Vector rearrange(VectorShuffle<Byte> s) {
411 return (Byte256Vector)
412 super.rearrangeTemplate(Byte256Shuffle.class,
413 (Byte256Shuffle) s); // specialize
414 }
415
416 @Override
417 @ForceInline
418 public Byte256Vector rearrange(VectorShuffle<Byte> shuffle,
419 VectorMask<Byte> m) {
420 return (Byte256Vector)
421 super.rearrangeTemplate(Byte256Shuffle.class,
422 (Byte256Shuffle) shuffle,
423 (Byte256Mask) m); // specialize
424 }
425
426 @Override
427 @ForceInline
428 public Byte256Vector rearrange(VectorShuffle<Byte> s,
429 Vector<Byte> v) {
430 return (Byte256Vector)
431 super.rearrangeTemplate(Byte256Shuffle.class,
432 (Byte256Shuffle) s,
433 (Byte256Vector) v); // specialize
434 }
435
436 @Override
437 @ForceInline
438 public Byte256Vector selectFrom(Vector<Byte> v) {
439 return (Byte256Vector)
440 super.selectFromTemplate((Byte256Vector) v); // specialize
441 }
442
443 @Override
444 @ForceInline
445 public Byte256Vector selectFrom(Vector<Byte> v,
446 VectorMask<Byte> m) {
447 return (Byte256Vector)
448 super.selectFromTemplate((Byte256Vector) v,
449 (Byte256Mask) m); // specialize
450 }
451
452
453 @ForceInline
454 @Override
455 public byte lane(int i) {
456 switch(i) {
457 case 0: return laneHelper(0);
458 case 1: return laneHelper(1);
459 case 2: return laneHelper(2);
460 case 3: return laneHelper(3);
461 case 4: return laneHelper(4);
462 case 5: return laneHelper(5);
463 case 6: return laneHelper(6);
464 case 7: return laneHelper(7);
465 case 8: return laneHelper(8);
466 case 9: return laneHelper(9);
467 case 10: return laneHelper(10);
468 case 11: return laneHelper(11);
469 case 12: return laneHelper(12);
470 case 13: return laneHelper(13);
471 case 14: return laneHelper(14);
472 case 15: return laneHelper(15);
473 case 16: return laneHelper(16);
474 case 17: return laneHelper(17);
475 case 18: return laneHelper(18);
476 case 19: return laneHelper(19);
477 case 20: return laneHelper(20);
478 case 21: return laneHelper(21);
479 case 22: return laneHelper(22);
480 case 23: return laneHelper(23);
481 case 24: return laneHelper(24);
482 case 25: return laneHelper(25);
483 case 26: return laneHelper(26);
484 case 27: return laneHelper(27);
485 case 28: return laneHelper(28);
486 case 29: return laneHelper(29);
487 case 30: return laneHelper(30);
488 case 31: return laneHelper(31);
489 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
490 }
491 }
492
493 public byte laneHelper(int i) {
494 return (byte) VectorSupport.extract(
495 VCLASS, ETYPE, VLENGTH,
496 this, i,
497 (vec, ix) -> {
498 byte[] vecarr = vec.vec();
499 return (long)vecarr[ix];
500 });
501 }
502
503 @ForceInline
504 @Override
505 public Byte256Vector withLane(int i, byte e) {
506 switch (i) {
507 case 0: return withLaneHelper(0, e);
508 case 1: return withLaneHelper(1, e);
509 case 2: return withLaneHelper(2, e);
510 case 3: return withLaneHelper(3, e);
511 case 4: return withLaneHelper(4, e);
512 case 5: return withLaneHelper(5, e);
513 case 6: return withLaneHelper(6, e);
514 case 7: return withLaneHelper(7, e);
515 case 8: return withLaneHelper(8, e);
516 case 9: return withLaneHelper(9, e);
517 case 10: return withLaneHelper(10, e);
518 case 11: return withLaneHelper(11, e);
519 case 12: return withLaneHelper(12, e);
520 case 13: return withLaneHelper(13, e);
521 case 14: return withLaneHelper(14, e);
522 case 15: return withLaneHelper(15, e);
523 case 16: return withLaneHelper(16, e);
524 case 17: return withLaneHelper(17, e);
525 case 18: return withLaneHelper(18, e);
526 case 19: return withLaneHelper(19, e);
527 case 20: return withLaneHelper(20, e);
528 case 21: return withLaneHelper(21, e);
529 case 22: return withLaneHelper(22, e);
530 case 23: return withLaneHelper(23, e);
531 case 24: return withLaneHelper(24, e);
532 case 25: return withLaneHelper(25, e);
533 case 26: return withLaneHelper(26, e);
534 case 27: return withLaneHelper(27, e);
535 case 28: return withLaneHelper(28, e);
536 case 29: return withLaneHelper(29, e);
537 case 30: return withLaneHelper(30, e);
538 case 31: return withLaneHelper(31, e);
539 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
540 }
541 }
542
543 public Byte256Vector withLaneHelper(int i, byte e) {
544 return VectorSupport.insert(
545 VCLASS, ETYPE, VLENGTH,
546 this, i, (long)e,
547 (v, ix, bits) -> {
548 byte[] res = v.vec().clone();
549 res[ix] = (byte)bits;
550 return v.vectorFactory(res);
551 });
552 }
553
554 // Mask
555
556 static final class Byte256Mask extends AbstractMask<Byte> {
557 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
558 static final Class<Byte> ETYPE = byte.class; // used by the JVM
559
560 Byte256Mask(boolean[] bits) {
561 this(bits, 0);
562 }
563
564 Byte256Mask(boolean[] bits, int offset) {
565 super(prepare(bits, offset));
566 }
567
568 Byte256Mask(boolean val) {
569 super(prepare(val));
570 }
571
572 private static boolean[] prepare(boolean[] bits, int offset) {
573 boolean[] newBits = new boolean[VSPECIES.laneCount()];
574 for (int i = 0; i < newBits.length; i++) {
575 newBits[i] = bits[offset + i];
576 }
577 return newBits;
578 }
579
580 private static boolean[] prepare(boolean val) {
581 boolean[] bits = new boolean[VSPECIES.laneCount()];
582 Arrays.fill(bits, val);
583 return bits;
584 }
585
586 @ForceInline
587 final @Override
588 public ByteSpecies vspecies() {
589 // ISSUE: This should probably be a @Stable
590 // field inside AbstractMask, rather than
591 // a megamorphic method.
592 return VSPECIES;
593 }
594
595 @ForceInline
596 boolean[] getBits() {
597 return (boolean[])getPayload();
598 }
599
600 @Override
601 Byte256Mask uOp(MUnOp f) {
602 boolean[] res = new boolean[vspecies().laneCount()];
603 boolean[] bits = getBits();
604 for (int i = 0; i < res.length; i++) {
605 res[i] = f.apply(i, bits[i]);
606 }
607 return new Byte256Mask(res);
608 }
609
610 @Override
611 Byte256Mask bOp(VectorMask<Byte> m, MBinOp f) {
612 boolean[] res = new boolean[vspecies().laneCount()];
613 boolean[] bits = getBits();
614 boolean[] mbits = ((Byte256Mask)m).getBits();
615 for (int i = 0; i < res.length; i++) {
616 res[i] = f.apply(i, bits[i], mbits[i]);
617 }
618 return new Byte256Mask(res);
619 }
620
621 @ForceInline
622 @Override
623 public final
624 Byte256Vector toVector() {
625 return (Byte256Vector) super.toVectorTemplate(); // specialize
626 }
627
628 /**
629 * Helper function for lane-wise mask conversions.
630 * This function kicks in after intrinsic failure.
631 */
632 @ForceInline
633 private final <E>
634 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
635 if (length() != dsp.laneCount())
636 throw new IllegalArgumentException("VectorMask length and species length differ");
637 boolean[] maskArray = toArray();
638 return dsp.maskFactory(maskArray).check(dsp);
639 }
640
641 @Override
642 @ForceInline
643 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
644 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
645 if (length() != species.laneCount())
646 throw new IllegalArgumentException("VectorMask length and species length differ");
647 if (VSIZE == species.vectorBitSize()) {
648 Class<?> dtype = species.elementType();
649 Class<?> dmtype = species.maskType();
650 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
651 this.getClass(), ETYPE, VLENGTH,
652 dmtype, dtype, VLENGTH,
653 this, species,
654 Byte256Mask::defaultMaskCast);
655 }
656 return this.defaultMaskCast(species);
657 }
658
659 @Override
660 @ForceInline
661 public Byte256Mask eq(VectorMask<Byte> mask) {
662 Objects.requireNonNull(mask);
663 Byte256Mask m = (Byte256Mask)mask;
664 return xor(m.not());
665 }
666
667 // Unary operations
668
669 @Override
670 @ForceInline
671 public Byte256Mask not() {
672 return xor(maskAll(true));
673 }
674
675 // Binary operations
676
677 @Override
678 @ForceInline
679 public Byte256Mask and(VectorMask<Byte> mask) {
680 Objects.requireNonNull(mask);
681 Byte256Mask m = (Byte256Mask)mask;
682 return VectorSupport.binaryOp(VECTOR_OP_AND, Byte256Mask.class, byte.class, VLENGTH,
683 this, m,
684 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
685 }
686
687 @Override
688 @ForceInline
689 public Byte256Mask or(VectorMask<Byte> mask) {
690 Objects.requireNonNull(mask);
691 Byte256Mask m = (Byte256Mask)mask;
692 return VectorSupport.binaryOp(VECTOR_OP_OR, Byte256Mask.class, byte.class, VLENGTH,
693 this, m,
694 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
695 }
696
697 @ForceInline
698 /* package-private */
699 Byte256Mask xor(VectorMask<Byte> mask) {
700 Objects.requireNonNull(mask);
701 Byte256Mask m = (Byte256Mask)mask;
702 return VectorSupport.binaryOp(VECTOR_OP_XOR, Byte256Mask.class, byte.class, VLENGTH,
703 this, m,
704 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
705 }
706
707 // Mask Query operations
708
709 @Override
710 @ForceInline
711 public int trueCount() {
712 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Byte256Mask.class, byte.class, VLENGTH, this,
713 (m) -> trueCountHelper(((Byte256Mask)m).getBits()));
714 }
715
716 @Override
717 @ForceInline
718 public int firstTrue() {
719 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Byte256Mask.class, byte.class, VLENGTH, this,
720 (m) -> firstTrueHelper(((Byte256Mask)m).getBits()));
721 }
722
723 @Override
724 @ForceInline
725 public int lastTrue() {
726 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Byte256Mask.class, byte.class, VLENGTH, this,
727 (m) -> lastTrueHelper(((Byte256Mask)m).getBits()));
728 }
729
730 // Reductions
731
732 @Override
733 @ForceInline
734 public boolean anyTrue() {
735 return VectorSupport.test(BT_ne, Byte256Mask.class, byte.class, VLENGTH,
736 this, vspecies().maskAll(true),
737 (m, __) -> anyTrueHelper(((Byte256Mask)m).getBits()));
738 }
739
740 @Override
741 @ForceInline
742 public boolean allTrue() {
743 return VectorSupport.test(BT_overflow, Byte256Mask.class, byte.class, VLENGTH,
744 this, vspecies().maskAll(true),
745 (m, __) -> allTrueHelper(((Byte256Mask)m).getBits()));
746 }
747
748 @ForceInline
749 /*package-private*/
750 static Byte256Mask maskAll(boolean bit) {
751 return VectorSupport.broadcastCoerced(Byte256Mask.class, byte.class, VLENGTH,
752 (bit ? -1 : 0), null,
753 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
754 }
755 private static final Byte256Mask TRUE_MASK = new Byte256Mask(true);
756 private static final Byte256Mask FALSE_MASK = new Byte256Mask(false);
757
758 }
759
760 // Shuffle
761
762 static final class Byte256Shuffle extends AbstractShuffle<Byte> {
763 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
764 static final Class<Byte> ETYPE = byte.class; // used by the JVM
765
766 Byte256Shuffle(byte[] reorder) {
767 super(VLENGTH, reorder);
768 }
769
770 public Byte256Shuffle(int[] reorder) {
771 super(VLENGTH, reorder);
772 }
773
774 public Byte256Shuffle(int[] reorder, int i) {
775 super(VLENGTH, reorder, i);
776 }
777
778 public Byte256Shuffle(IntUnaryOperator fn) {
779 super(VLENGTH, fn);
780 }
781
782 @Override
783 public ByteSpecies vspecies() {
784 return VSPECIES;
785 }
786
787 static {
788 // There must be enough bits in the shuffle lanes to encode
789 // VLENGTH valid indexes and VLENGTH exceptional ones.
790 assert(VLENGTH < Byte.MAX_VALUE);
791 assert(Byte.MIN_VALUE <= -VLENGTH);
792 }
793 static final Byte256Shuffle IOTA = new Byte256Shuffle(IDENTITY);
794
795 @Override
796 @ForceInline
797 public Byte256Vector toVector() {
798 return VectorSupport.shuffleToVector(VCLASS, ETYPE, Byte256Shuffle.class, this, VLENGTH,
799 (s) -> ((Byte256Vector)(((AbstractShuffle<Byte>)(s)).toVectorTemplate())));
800 }
801
802 @Override
803 @ForceInline
804 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
805 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
806 if (length() != species.laneCount())
807 throw new IllegalArgumentException("VectorShuffle length and species length differ");
808 int[] shuffleArray = toArray();
809 return s.shuffleFromArray(shuffleArray, 0).check(s);
810 }
811
812 @ForceInline
813 @Override
814 public Byte256Shuffle rearrange(VectorShuffle<Byte> shuffle) {
815 Byte256Shuffle s = (Byte256Shuffle) shuffle;
816 byte[] reorder1 = reorder();
817 byte[] reorder2 = s.reorder();
818 byte[] r = new byte[reorder1.length];
819 for (int i = 0; i < reorder1.length; i++) {
820 int ssi = reorder2[i];
821 r[i] = reorder1[ssi]; // throws on exceptional index
822 }
823 return new Byte256Shuffle(r);
824 }
825 }
826
827 // ================================================
828
829 // Specialized low-level memory operations.
830
831 @ForceInline
832 @Override
833 final
834 ByteVector fromArray0(byte[] a, int offset) {
835 return super.fromArray0Template(a, offset); // specialize
836 }
837
838
839 @ForceInline
840 @Override
841 final
842 ByteVector fromBooleanArray0(boolean[] a, int offset) {
843 return super.fromBooleanArray0Template(a, offset); // 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 fromByteBuffer0(ByteBuffer bb, int offset) {
857 return super.fromByteBuffer0Template(bb, offset); // specialize
858 }
859
860 @ForceInline
861 @Override
862 final
863 void intoArray0(byte[] a, int offset) {
864 super.intoArray0Template(a, offset); // specialize
865 }
866
867 @ForceInline
868 @Override
869 final
870 void intoByteArray0(byte[] a, int offset) {
871 super.intoByteArray0Template(a, offset); // specialize
872 }
873
874 // End of specialized low-level memory operations.
875
876 // ================================================
877
878 }