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 Short128Vector extends ShortVector {
43 static final ShortSpecies VSPECIES =
44 (ShortSpecies) ShortVector.SPECIES_128;
45
46 static final VectorShape VSHAPE =
47 VSPECIES.vectorShape();
48
49 static final Class<Short128Vector> VCLASS = Short128Vector.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<Short> ETYPE = short.class; // used by the JVM
56
57 Short128Vector(short[] v) {
58 super(v);
59 }
60
61 // For compatibility as Short128Vector::new,
62 // stored into species.vectorFactory.
63 Short128Vector(Object v) {
64 this((short[]) v);
65 }
66
67 static final Short128Vector ZERO = new Short128Vector(new short[VLENGTH]);
68 static final Short128Vector IOTA = new Short128Vector(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 ShortSpecies 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<Short> elementType() { return short.class; }
92
93 @ForceInline
94 @Override
95 public final int elementSize() { return Short.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 short[] vec() {
117 return (short[])getPayload();
118 }
119
120 // Virtualized constructors
121
122 @Override
123 @ForceInline
124 public final Short128Vector broadcast(short e) {
125 return (Short128Vector) super.broadcastTemplate(e); // specialize
126 }
127
128 @Override
129 @ForceInline
130 public final Short128Vector broadcast(long e) {
131 return (Short128Vector) super.broadcastTemplate(e); // specialize
132 }
133
134 @Override
135 @ForceInline
136 Short128Mask maskFromArray(boolean[] bits) {
137 return new Short128Mask(bits);
138 }
139
140 @Override
141 @ForceInline
142 Short128Shuffle iotaShuffle() { return Short128Shuffle.IOTA; }
143
144 @ForceInline
145 Short128Shuffle iotaShuffle(int start, int step, boolean wrap) {
146 if (wrap) {
147 return (Short128Shuffle)VectorSupport.shuffleIota(ETYPE, Short128Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149 } else {
150 return (Short128Shuffle)VectorSupport.shuffleIota(ETYPE, Short128Shuffle.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 Short128Shuffle shuffleFromBytes(byte[] reorder) { return new Short128Shuffle(reorder); }
158
159 @Override
160 @ForceInline
161 Short128Shuffle shuffleFromArray(int[] indexes, int i) { return new Short128Shuffle(indexes, i); }
162
163 @Override
164 @ForceInline
165 Short128Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Short128Shuffle(fn); }
166
167 // Make a vector of the same species but the given elements:
168 @ForceInline
169 final @Override
170 Short128Vector vectorFactory(short[] vec) {
171 return new Short128Vector(vec);
172 }
173
174 @ForceInline
175 final @Override
176 Byte128Vector asByteVectorRaw() {
177 return (Byte128Vector) 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 Short128Vector uOp(FUnOp f) {
191 return (Short128Vector) super.uOpTemplate(f); // specialize
192 }
193
194 @ForceInline
195 final @Override
196 Short128Vector uOp(VectorMask<Short> m, FUnOp f) {
197 return (Short128Vector)
198 super.uOpTemplate((Short128Mask)m, f); // specialize
199 }
200
201 // Binary operator
202
203 @ForceInline
204 final @Override
205 Short128Vector bOp(Vector<Short> v, FBinOp f) {
206 return (Short128Vector) super.bOpTemplate((Short128Vector)v, f); // specialize
207 }
208
209 @ForceInline
210 final @Override
211 Short128Vector bOp(Vector<Short> v,
212 VectorMask<Short> m, FBinOp f) {
213 return (Short128Vector)
214 super.bOpTemplate((Short128Vector)v, (Short128Mask)m,
215 f); // specialize
216 }
217
218 // Ternary operator
219
220 @ForceInline
221 final @Override
222 Short128Vector tOp(Vector<Short> v1, Vector<Short> v2, FTriOp f) {
223 return (Short128Vector)
224 super.tOpTemplate((Short128Vector)v1, (Short128Vector)v2,
225 f); // specialize
226 }
227
228 @ForceInline
229 final @Override
230 Short128Vector tOp(Vector<Short> v1, Vector<Short> v2,
231 VectorMask<Short> m, FTriOp f) {
232 return (Short128Vector)
233 super.tOpTemplate((Short128Vector)v1, (Short128Vector)v2,
234 (Short128Mask)m, f); // specialize
235 }
236
237 @ForceInline
238 final @Override
239 short rOp(short 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<Short,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 Short128Vector lanewise(Unary op) {
273 return (Short128Vector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public Short128Vector lanewise(Binary op, Vector<Short> v) {
279 return (Short128Vector) super.lanewiseTemplate(op, v); // specialize
280 }
281
282 /*package-private*/
283 @Override
284 @ForceInline Short128Vector
285 lanewiseShift(VectorOperators.Binary op, int e) {
286 return (Short128Vector) super.lanewiseShiftTemplate(op, e); // specialize
287 }
288
289 /*package-private*/
290 @Override
291 @ForceInline
292 public final
293 Short128Vector
294 lanewise(VectorOperators.Ternary op, Vector<Short> v1, Vector<Short> v2) {
295 return (Short128Vector) super.lanewiseTemplate(op, v1, v2); // specialize
296 }
297
298 @Override
299 @ForceInline
300 public final
301 Short128Vector addIndex(int scale) {
302 return (Short128Vector) super.addIndexTemplate(scale); // specialize
303 }
304
305 // Type specific horizontal reductions
306
307 @Override
308 @ForceInline
309 public final short reduceLanes(VectorOperators.Associative op) {
310 return super.reduceLanesTemplate(op); // specialized
311 }
312
313 @Override
314 @ForceInline
315 public final short reduceLanes(VectorOperators.Associative op,
316 VectorMask<Short> 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<Short> m) {
330 return (long) super.reduceLanesTemplate(op, m); // specialized
331 }
332
333 @ForceInline
334 public VectorShuffle<Short> toShuffle() {
335 return super.toShuffleTemplate(Short128Shuffle.class); // specialize
336 }
337
338 // Specialized unary testing
339
340 @Override
341 @ForceInline
342 public final Short128Mask test(Test op) {
343 return super.testTemplate(Short128Mask.class, op); // specialize
344 }
345
346 // Specialized comparisons
347
348 @Override
349 @ForceInline
350 public final Short128Mask compare(Comparison op, Vector<Short> v) {
351 return super.compareTemplate(Short128Mask.class, op, v); // specialize
352 }
353
354 @Override
355 @ForceInline
356 public final Short128Mask compare(Comparison op, short s) {
357 return super.compareTemplate(Short128Mask.class, op, s); // specialize
358 }
359
360 @Override
361 @ForceInline
362 public final Short128Mask compare(Comparison op, long s) {
363 return super.compareTemplate(Short128Mask.class, op, s); // specialize
364 }
365
366 @Override
367 @ForceInline
368 public Short128Vector blend(Vector<Short> v, VectorMask<Short> m) {
369 return (Short128Vector)
370 super.blendTemplate(Short128Mask.class,
371 (Short128Vector) v,
372 (Short128Mask) m); // specialize
373 }
374
375 @Override
376 @ForceInline
377 public Short128Vector slice(int origin, Vector<Short> v) {
378 return (Short128Vector) super.sliceTemplate(origin, v); // specialize
379 }
380
381 @Override
382 @ForceInline
383 public Short128Vector slice(int origin) {
384 return (Short128Vector) super.sliceTemplate(origin); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public Short128Vector unslice(int origin, Vector<Short> w, int part) {
390 return (Short128Vector) super.unsliceTemplate(origin, w, part); // specialize
391 }
392
393 @Override
394 @ForceInline
395 public Short128Vector unslice(int origin, Vector<Short> w, int part, VectorMask<Short> m) {
396 return (Short128Vector)
397 super.unsliceTemplate(Short128Mask.class,
398 origin, w, part,
399 (Short128Mask) m); // specialize
400 }
401
402 @Override
403 @ForceInline
404 public Short128Vector unslice(int origin) {
405 return (Short128Vector) super.unsliceTemplate(origin); // specialize
406 }
407
408 @Override
409 @ForceInline
410 public Short128Vector rearrange(VectorShuffle<Short> s) {
411 return (Short128Vector)
412 super.rearrangeTemplate(Short128Shuffle.class,
413 (Short128Shuffle) s); // specialize
414 }
415
416 @Override
417 @ForceInline
418 public Short128Vector rearrange(VectorShuffle<Short> shuffle,
419 VectorMask<Short> m) {
420 return (Short128Vector)
421 super.rearrangeTemplate(Short128Shuffle.class,
422 (Short128Shuffle) shuffle,
423 (Short128Mask) m); // specialize
424 }
425
426 @Override
427 @ForceInline
428 public Short128Vector rearrange(VectorShuffle<Short> s,
429 Vector<Short> v) {
430 return (Short128Vector)
431 super.rearrangeTemplate(Short128Shuffle.class,
432 (Short128Shuffle) s,
433 (Short128Vector) v); // specialize
434 }
435
436 @Override
437 @ForceInline
438 public Short128Vector selectFrom(Vector<Short> v) {
439 return (Short128Vector)
440 super.selectFromTemplate((Short128Vector) v); // specialize
441 }
442
443 @Override
444 @ForceInline
445 public Short128Vector selectFrom(Vector<Short> v,
446 VectorMask<Short> m) {
447 return (Short128Vector)
448 super.selectFromTemplate((Short128Vector) v,
449 (Short128Mask) m); // specialize
450 }
451
452
453 @ForceInline
454 @Override
455 public short 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 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
466 }
467 }
468
469 public short laneHelper(int i) {
470 return (short) VectorSupport.extract(
471 VCLASS, ETYPE, VLENGTH,
472 this, i,
473 (vec, ix) -> {
474 short[] vecarr = vec.vec();
475 return (long)vecarr[ix];
476 });
477 }
478
479 @ForceInline
480 @Override
481 public Short128Vector withLane(int i, short e) {
482 switch (i) {
483 case 0: return withLaneHelper(0, e);
484 case 1: return withLaneHelper(1, e);
485 case 2: return withLaneHelper(2, e);
486 case 3: return withLaneHelper(3, e);
487 case 4: return withLaneHelper(4, e);
488 case 5: return withLaneHelper(5, e);
489 case 6: return withLaneHelper(6, e);
490 case 7: return withLaneHelper(7, e);
491 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
492 }
493 }
494
495 public Short128Vector withLaneHelper(int i, short e) {
496 return VectorSupport.insert(
497 VCLASS, ETYPE, VLENGTH,
498 this, i, (long)e,
499 (v, ix, bits) -> {
500 short[] res = v.vec().clone();
501 res[ix] = (short)bits;
502 return v.vectorFactory(res);
503 });
504 }
505
506 // Mask
507
508 static final class Short128Mask extends AbstractMask<Short> {
509 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
510 static final Class<Short> ETYPE = short.class; // used by the JVM
511
512 Short128Mask(boolean[] bits) {
513 this(bits, 0);
514 }
515
516 Short128Mask(boolean[] bits, int offset) {
517 super(prepare(bits, offset));
518 }
519
520 Short128Mask(boolean val) {
521 super(prepare(val));
522 }
523
524 private static boolean[] prepare(boolean[] bits, int offset) {
525 boolean[] newBits = new boolean[VSPECIES.laneCount()];
526 for (int i = 0; i < newBits.length; i++) {
527 newBits[i] = bits[offset + i];
528 }
529 return newBits;
530 }
531
532 private static boolean[] prepare(boolean val) {
533 boolean[] bits = new boolean[VSPECIES.laneCount()];
534 Arrays.fill(bits, val);
535 return bits;
536 }
537
538 @ForceInline
539 final @Override
540 public ShortSpecies vspecies() {
541 // ISSUE: This should probably be a @Stable
542 // field inside AbstractMask, rather than
543 // a megamorphic method.
544 return VSPECIES;
545 }
546
547 @ForceInline
548 boolean[] getBits() {
549 return (boolean[])getPayload();
550 }
551
552 @Override
553 Short128Mask uOp(MUnOp f) {
554 boolean[] res = new boolean[vspecies().laneCount()];
555 boolean[] bits = getBits();
556 for (int i = 0; i < res.length; i++) {
557 res[i] = f.apply(i, bits[i]);
558 }
559 return new Short128Mask(res);
560 }
561
562 @Override
563 Short128Mask bOp(VectorMask<Short> m, MBinOp f) {
564 boolean[] res = new boolean[vspecies().laneCount()];
565 boolean[] bits = getBits();
566 boolean[] mbits = ((Short128Mask)m).getBits();
567 for (int i = 0; i < res.length; i++) {
568 res[i] = f.apply(i, bits[i], mbits[i]);
569 }
570 return new Short128Mask(res);
571 }
572
573 @ForceInline
574 @Override
575 public final
576 Short128Vector toVector() {
577 return (Short128Vector) super.toVectorTemplate(); // specialize
578 }
579
580 /**
581 * Helper function for lane-wise mask conversions.
582 * This function kicks in after intrinsic failure.
583 */
584 @ForceInline
585 private final <E>
586 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
587 if (length() != dsp.laneCount())
588 throw new IllegalArgumentException("VectorMask length and species length differ");
589 boolean[] maskArray = toArray();
590 return dsp.maskFactory(maskArray).check(dsp);
591 }
592
593 @Override
594 @ForceInline
595 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
596 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
597 if (length() != species.laneCount())
598 throw new IllegalArgumentException("VectorMask length and species length differ");
599 if (VSIZE == species.vectorBitSize()) {
600 Class<?> dtype = species.elementType();
601 Class<?> dmtype = species.maskType();
602 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
603 this.getClass(), ETYPE, VLENGTH,
604 dmtype, dtype, VLENGTH,
605 this, species,
606 Short128Mask::defaultMaskCast);
607 }
608 return this.defaultMaskCast(species);
609 }
610
611 @Override
612 @ForceInline
613 public Short128Mask eq(VectorMask<Short> mask) {
614 Objects.requireNonNull(mask);
615 Short128Mask m = (Short128Mask)mask;
616 return xor(m.not());
617 }
618
619 // Unary operations
620
621 @Override
622 @ForceInline
623 public Short128Mask not() {
624 return xor(maskAll(true));
625 }
626
627 // Binary operations
628
629 @Override
630 @ForceInline
631 public Short128Mask and(VectorMask<Short> mask) {
632 Objects.requireNonNull(mask);
633 Short128Mask m = (Short128Mask)mask;
634 return VectorSupport.binaryOp(VECTOR_OP_AND, Short128Mask.class, short.class, VLENGTH,
635 this, m,
636 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
637 }
638
639 @Override
640 @ForceInline
641 public Short128Mask or(VectorMask<Short> mask) {
642 Objects.requireNonNull(mask);
643 Short128Mask m = (Short128Mask)mask;
644 return VectorSupport.binaryOp(VECTOR_OP_OR, Short128Mask.class, short.class, VLENGTH,
645 this, m,
646 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
647 }
648
649 @ForceInline
650 /* package-private */
651 Short128Mask xor(VectorMask<Short> mask) {
652 Objects.requireNonNull(mask);
653 Short128Mask m = (Short128Mask)mask;
654 return VectorSupport.binaryOp(VECTOR_OP_XOR, Short128Mask.class, short.class, VLENGTH,
655 this, m,
656 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
657 }
658
659 // Mask Query operations
660
661 @Override
662 @ForceInline
663 public int trueCount() {
664 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Short128Mask.class, short.class, VLENGTH, this,
665 (m) -> trueCountHelper(((Short128Mask)m).getBits()));
666 }
667
668 @Override
669 @ForceInline
670 public int firstTrue() {
671 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Short128Mask.class, short.class, VLENGTH, this,
672 (m) -> firstTrueHelper(((Short128Mask)m).getBits()));
673 }
674
675 @Override
676 @ForceInline
677 public int lastTrue() {
678 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Short128Mask.class, short.class, VLENGTH, this,
679 (m) -> lastTrueHelper(((Short128Mask)m).getBits()));
680 }
681
682 // Reductions
683
684 @Override
685 @ForceInline
686 public boolean anyTrue() {
687 return VectorSupport.test(BT_ne, Short128Mask.class, short.class, VLENGTH,
688 this, vspecies().maskAll(true),
689 (m, __) -> anyTrueHelper(((Short128Mask)m).getBits()));
690 }
691
692 @Override
693 @ForceInline
694 public boolean allTrue() {
695 return VectorSupport.test(BT_overflow, Short128Mask.class, short.class, VLENGTH,
696 this, vspecies().maskAll(true),
697 (m, __) -> allTrueHelper(((Short128Mask)m).getBits()));
698 }
699
700 @ForceInline
701 /*package-private*/
702 static Short128Mask maskAll(boolean bit) {
703 return VectorSupport.broadcastCoerced(Short128Mask.class, short.class, VLENGTH,
704 (bit ? -1 : 0), null,
705 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
706 }
707 private static final Short128Mask TRUE_MASK = new Short128Mask(true);
708 private static final Short128Mask FALSE_MASK = new Short128Mask(false);
709
710 }
711
712 // Shuffle
713
714 static final class Short128Shuffle extends AbstractShuffle<Short> {
715 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
716 static final Class<Short> ETYPE = short.class; // used by the JVM
717
718 Short128Shuffle(byte[] reorder) {
719 super(VLENGTH, reorder);
720 }
721
722 public Short128Shuffle(int[] reorder) {
723 super(VLENGTH, reorder);
724 }
725
726 public Short128Shuffle(int[] reorder, int i) {
727 super(VLENGTH, reorder, i);
728 }
729
730 public Short128Shuffle(IntUnaryOperator fn) {
731 super(VLENGTH, fn);
732 }
733
734 @Override
735 public ShortSpecies vspecies() {
736 return VSPECIES;
737 }
738
739 static {
740 // There must be enough bits in the shuffle lanes to encode
741 // VLENGTH valid indexes and VLENGTH exceptional ones.
742 assert(VLENGTH < Byte.MAX_VALUE);
743 assert(Byte.MIN_VALUE <= -VLENGTH);
744 }
745 static final Short128Shuffle IOTA = new Short128Shuffle(IDENTITY);
746
747 @Override
748 @ForceInline
749 public Short128Vector toVector() {
750 return VectorSupport.shuffleToVector(VCLASS, ETYPE, Short128Shuffle.class, this, VLENGTH,
751 (s) -> ((Short128Vector)(((AbstractShuffle<Short>)(s)).toVectorTemplate())));
752 }
753
754 @Override
755 @ForceInline
756 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
757 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
758 if (length() != species.laneCount())
759 throw new IllegalArgumentException("VectorShuffle length and species length differ");
760 int[] shuffleArray = toArray();
761 return s.shuffleFromArray(shuffleArray, 0).check(s);
762 }
763
764 @ForceInline
765 @Override
766 public Short128Shuffle rearrange(VectorShuffle<Short> shuffle) {
767 Short128Shuffle s = (Short128Shuffle) shuffle;
768 byte[] reorder1 = reorder();
769 byte[] reorder2 = s.reorder();
770 byte[] r = new byte[reorder1.length];
771 for (int i = 0; i < reorder1.length; i++) {
772 int ssi = reorder2[i];
773 r[i] = reorder1[ssi]; // throws on exceptional index
774 }
775 return new Short128Shuffle(r);
776 }
777 }
778
779 // ================================================
780
781 // Specialized low-level memory operations.
782
783 @ForceInline
784 @Override
785 final
786 ShortVector fromArray0(short[] a, int offset) {
787 return super.fromArray0Template(a, offset); // specialize
788 }
789
790 @ForceInline
791 @Override
792 final
793 ShortVector fromCharArray0(char[] a, int offset) {
794 return super.fromCharArray0Template(a, offset); // specialize
795 }
796
797
798 @ForceInline
799 @Override
800 final
801 ShortVector fromByteArray0(byte[] a, int offset) {
802 return super.fromByteArray0Template(a, offset); // specialize
803 }
804
805 @ForceInline
806 @Override
807 final
808 ShortVector fromByteBuffer0(ByteBuffer bb, int offset) {
809 return super.fromByteBuffer0Template(bb, offset); // specialize
810 }
811
812 @ForceInline
813 @Override
814 final
815 void intoArray0(short[] a, int offset) {
816 super.intoArray0Template(a, offset); // specialize
817 }
818
819 @ForceInline
820 @Override
821 final
822 void intoByteArray0(byte[] a, int offset) {
823 super.intoByteArray0Template(a, offset); // specialize
824 }
825
826 // End of specialized low-level memory operations.
827
828 // ================================================
829
830 }