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 Double64Vector extends DoubleVector {
43 static final DoubleSpecies VSPECIES =
44 (DoubleSpecies) DoubleVector.SPECIES_64;
45
46 static final VectorShape VSHAPE =
47 VSPECIES.vectorShape();
48
49 static final Class<Double64Vector> VCLASS = Double64Vector.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<Double> ETYPE = double.class; // used by the JVM
56
57 Double64Vector(double[] v) {
58 super(v);
59 }
60
61 // For compatibility as Double64Vector::new,
62 // stored into species.vectorFactory.
63 Double64Vector(Object v) {
64 this((double[]) v);
65 }
66
67 static final Double64Vector ZERO = new Double64Vector(new double[VLENGTH]);
68 static final Double64Vector IOTA = new Double64Vector(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 DoubleSpecies 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<Double> elementType() { return double.class; }
92
93 @ForceInline
94 @Override
95 public final int elementSize() { return Double.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 double[] vec() {
117 return (double[])getPayload();
118 }
119
120 // Virtualized constructors
121
122 @Override
123 @ForceInline
124 public final Double64Vector broadcast(double e) {
125 return (Double64Vector) super.broadcastTemplate(e); // specialize
126 }
127
128 @Override
129 @ForceInline
130 public final Double64Vector broadcast(long e) {
131 return (Double64Vector) super.broadcastTemplate(e); // specialize
132 }
133
134 @Override
135 @ForceInline
136 Double64Mask maskFromArray(boolean[] bits) {
137 return new Double64Mask(bits);
138 }
139
140 @Override
141 @ForceInline
142 Double64Shuffle iotaShuffle() { return Double64Shuffle.IOTA; }
143
144 @ForceInline
145 Double64Shuffle iotaShuffle(int start, int step, boolean wrap) {
146 if (wrap) {
147 return (Double64Shuffle)VectorSupport.shuffleIota(ETYPE, Double64Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149 } else {
150 return (Double64Shuffle)VectorSupport.shuffleIota(ETYPE, Double64Shuffle.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 Double64Shuffle shuffleFromBytes(byte[] reorder) { return new Double64Shuffle(reorder); }
158
159 @Override
160 @ForceInline
161 Double64Shuffle shuffleFromArray(int[] indexes, int i) { return new Double64Shuffle(indexes, i); }
162
163 @Override
164 @ForceInline
165 Double64Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Double64Shuffle(fn); }
166
167 // Make a vector of the same species but the given elements:
168 @ForceInline
169 final @Override
170 Double64Vector vectorFactory(double[] vec) {
171 return new Double64Vector(vec);
172 }
173
174 @ForceInline
175 final @Override
176 Byte64Vector asByteVectorRaw() {
177 return (Byte64Vector) 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 Double64Vector uOp(FUnOp f) {
191 return (Double64Vector) super.uOpTemplate(f); // specialize
192 }
193
194 @ForceInline
195 final @Override
196 Double64Vector uOp(VectorMask<Double> m, FUnOp f) {
197 return (Double64Vector)
198 super.uOpTemplate((Double64Mask)m, f); // specialize
199 }
200
201 // Binary operator
202
203 @ForceInline
204 final @Override
205 Double64Vector bOp(Vector<Double> v, FBinOp f) {
206 return (Double64Vector) super.bOpTemplate((Double64Vector)v, f); // specialize
207 }
208
209 @ForceInline
210 final @Override
211 Double64Vector bOp(Vector<Double> v,
212 VectorMask<Double> m, FBinOp f) {
213 return (Double64Vector)
214 super.bOpTemplate((Double64Vector)v, (Double64Mask)m,
215 f); // specialize
216 }
217
218 // Ternary operator
219
220 @ForceInline
221 final @Override
222 Double64Vector tOp(Vector<Double> v1, Vector<Double> v2, FTriOp f) {
223 return (Double64Vector)
224 super.tOpTemplate((Double64Vector)v1, (Double64Vector)v2,
225 f); // specialize
226 }
227
228 @ForceInline
229 final @Override
230 Double64Vector tOp(Vector<Double> v1, Vector<Double> v2,
231 VectorMask<Double> m, FTriOp f) {
232 return (Double64Vector)
233 super.tOpTemplate((Double64Vector)v1, (Double64Vector)v2,
234 (Double64Mask)m, f); // specialize
235 }
236
237 @ForceInline
238 final @Override
239 double rOp(double 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<Double,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 Double64Vector lanewise(Unary op) {
273 return (Double64Vector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public Double64Vector lanewise(Binary op, Vector<Double> v) {
279 return (Double64Vector) super.lanewiseTemplate(op, v); // specialize
280 }
281
282
283 /*package-private*/
284 @Override
285 @ForceInline
286 public final
287 Double64Vector
288 lanewise(VectorOperators.Ternary op, Vector<Double> v1, Vector<Double> v2) {
289 return (Double64Vector) super.lanewiseTemplate(op, v1, v2); // specialize
290 }
291
292 @Override
293 @ForceInline
294 public final
295 Double64Vector addIndex(int scale) {
296 return (Double64Vector) super.addIndexTemplate(scale); // specialize
297 }
298
299 // Type specific horizontal reductions
300
301 @Override
302 @ForceInline
303 public final double reduceLanes(VectorOperators.Associative op) {
304 return super.reduceLanesTemplate(op); // specialized
305 }
306
307 @Override
308 @ForceInline
309 public final double reduceLanes(VectorOperators.Associative op,
310 VectorMask<Double> m) {
311 return super.reduceLanesTemplate(op, m); // specialized
312 }
313
314 @Override
315 @ForceInline
316 public final long reduceLanesToLong(VectorOperators.Associative op) {
317 return (long) super.reduceLanesTemplate(op); // specialized
318 }
319
320 @Override
321 @ForceInline
322 public final long reduceLanesToLong(VectorOperators.Associative op,
323 VectorMask<Double> m) {
324 return (long) super.reduceLanesTemplate(op, m); // specialized
325 }
326
327 @ForceInline
328 public VectorShuffle<Double> toShuffle() {
329 return super.toShuffleTemplate(Double64Shuffle.class); // specialize
330 }
331
332 // Specialized unary testing
333
334 @Override
335 @ForceInline
336 public final Double64Mask test(Test op) {
337 return super.testTemplate(Double64Mask.class, op); // specialize
338 }
339
340 // Specialized comparisons
341
342 @Override
343 @ForceInline
344 public final Double64Mask compare(Comparison op, Vector<Double> v) {
345 return super.compareTemplate(Double64Mask.class, op, v); // specialize
346 }
347
348 @Override
349 @ForceInline
350 public final Double64Mask compare(Comparison op, double s) {
351 return super.compareTemplate(Double64Mask.class, op, s); // specialize
352 }
353
354 @Override
355 @ForceInline
356 public final Double64Mask compare(Comparison op, long s) {
357 return super.compareTemplate(Double64Mask.class, op, s); // specialize
358 }
359
360 @Override
361 @ForceInline
362 public Double64Vector blend(Vector<Double> v, VectorMask<Double> m) {
363 return (Double64Vector)
364 super.blendTemplate(Double64Mask.class,
365 (Double64Vector) v,
366 (Double64Mask) m); // specialize
367 }
368
369 @Override
370 @ForceInline
371 public Double64Vector slice(int origin, Vector<Double> v) {
372 return (Double64Vector) super.sliceTemplate(origin, v); // specialize
373 }
374
375 @Override
376 @ForceInline
377 public Double64Vector slice(int origin) {
378 return (Double64Vector) super.sliceTemplate(origin); // specialize
379 }
380
381 @Override
382 @ForceInline
383 public Double64Vector unslice(int origin, Vector<Double> w, int part) {
384 return (Double64Vector) super.unsliceTemplate(origin, w, part); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public Double64Vector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
390 return (Double64Vector)
391 super.unsliceTemplate(Double64Mask.class,
392 origin, w, part,
393 (Double64Mask) m); // specialize
394 }
395
396 @Override
397 @ForceInline
398 public Double64Vector unslice(int origin) {
399 return (Double64Vector) super.unsliceTemplate(origin); // specialize
400 }
401
402 @Override
403 @ForceInline
404 public Double64Vector rearrange(VectorShuffle<Double> s) {
405 return (Double64Vector)
406 super.rearrangeTemplate(Double64Shuffle.class,
407 (Double64Shuffle) s); // specialize
408 }
409
410 @Override
411 @ForceInline
412 public Double64Vector rearrange(VectorShuffle<Double> shuffle,
413 VectorMask<Double> m) {
414 return (Double64Vector)
415 super.rearrangeTemplate(Double64Shuffle.class,
416 (Double64Shuffle) shuffle,
417 (Double64Mask) m); // specialize
418 }
419
420 @Override
421 @ForceInline
422 public Double64Vector rearrange(VectorShuffle<Double> s,
423 Vector<Double> v) {
424 return (Double64Vector)
425 super.rearrangeTemplate(Double64Shuffle.class,
426 (Double64Shuffle) s,
427 (Double64Vector) v); // specialize
428 }
429
430 @Override
431 @ForceInline
432 public Double64Vector selectFrom(Vector<Double> v) {
433 return (Double64Vector)
434 super.selectFromTemplate((Double64Vector) v); // specialize
435 }
436
437 @Override
438 @ForceInline
439 public Double64Vector selectFrom(Vector<Double> v,
440 VectorMask<Double> m) {
441 return (Double64Vector)
442 super.selectFromTemplate((Double64Vector) v,
443 (Double64Mask) m); // specialize
444 }
445
446
447 @ForceInline
448 @Override
449 public double lane(int i) {
450 long bits;
451 switch(i) {
452 case 0: bits = laneHelper(0); break;
453 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
454 }
455 return Double.longBitsToDouble(bits);
456 }
457
458 public long laneHelper(int i) {
459 return (long) VectorSupport.extract(
460 VCLASS, ETYPE, VLENGTH,
461 this, i,
462 (vec, ix) -> {
463 double[] vecarr = vec.vec();
464 return (long)Double.doubleToLongBits(vecarr[ix]);
465 });
466 }
467
468 @ForceInline
469 @Override
470 public Double64Vector withLane(int i, double e) {
471 switch(i) {
472 case 0: return withLaneHelper(0, e);
473 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
474 }
475 }
476
477 public Double64Vector withLaneHelper(int i, double e) {
478 return VectorSupport.insert(
479 VCLASS, ETYPE, VLENGTH,
480 this, i, (long)Double.doubleToLongBits(e),
481 (v, ix, bits) -> {
482 double[] res = v.vec().clone();
483 res[ix] = Double.longBitsToDouble((long)bits);
484 return v.vectorFactory(res);
485 });
486 }
487
488 // Mask
489
490 static final class Double64Mask extends AbstractMask<Double> {
491 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
492 static final Class<Double> ETYPE = double.class; // used by the JVM
493
494 Double64Mask(boolean[] bits) {
495 this(bits, 0);
496 }
497
498 Double64Mask(boolean[] bits, int offset) {
499 super(prepare(bits, offset));
500 }
501
502 Double64Mask(boolean val) {
503 super(prepare(val));
504 }
505
506 private static boolean[] prepare(boolean[] bits, int offset) {
507 boolean[] newBits = new boolean[VSPECIES.laneCount()];
508 for (int i = 0; i < newBits.length; i++) {
509 newBits[i] = bits[offset + i];
510 }
511 return newBits;
512 }
513
514 private static boolean[] prepare(boolean val) {
515 boolean[] bits = new boolean[VSPECIES.laneCount()];
516 Arrays.fill(bits, val);
517 return bits;
518 }
519
520 @ForceInline
521 final @Override
522 public DoubleSpecies vspecies() {
523 // ISSUE: This should probably be a @Stable
524 // field inside AbstractMask, rather than
525 // a megamorphic method.
526 return VSPECIES;
527 }
528
529 @ForceInline
530 boolean[] getBits() {
531 return (boolean[])getPayload();
532 }
533
534 @Override
535 Double64Mask uOp(MUnOp f) {
536 boolean[] res = new boolean[vspecies().laneCount()];
537 boolean[] bits = getBits();
538 for (int i = 0; i < res.length; i++) {
539 res[i] = f.apply(i, bits[i]);
540 }
541 return new Double64Mask(res);
542 }
543
544 @Override
545 Double64Mask bOp(VectorMask<Double> m, MBinOp f) {
546 boolean[] res = new boolean[vspecies().laneCount()];
547 boolean[] bits = getBits();
548 boolean[] mbits = ((Double64Mask)m).getBits();
549 for (int i = 0; i < res.length; i++) {
550 res[i] = f.apply(i, bits[i], mbits[i]);
551 }
552 return new Double64Mask(res);
553 }
554
555 @ForceInline
556 @Override
557 public final
558 Double64Vector toVector() {
559 return (Double64Vector) super.toVectorTemplate(); // specialize
560 }
561
562 /**
563 * Helper function for lane-wise mask conversions.
564 * This function kicks in after intrinsic failure.
565 */
566 @ForceInline
567 private final <E>
568 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
569 if (length() != dsp.laneCount())
570 throw new IllegalArgumentException("VectorMask length and species length differ");
571 boolean[] maskArray = toArray();
572 return dsp.maskFactory(maskArray).check(dsp);
573 }
574
575 @Override
576 @ForceInline
577 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
578 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
579 if (length() != species.laneCount())
580 throw new IllegalArgumentException("VectorMask length and species length differ");
581 if (VSIZE == species.vectorBitSize()) {
582 Class<?> dtype = species.elementType();
583 Class<?> dmtype = species.maskType();
584 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
585 this.getClass(), ETYPE, VLENGTH,
586 dmtype, dtype, VLENGTH,
587 this, species,
588 Double64Mask::defaultMaskCast);
589 }
590 return this.defaultMaskCast(species);
591 }
592
593 @Override
594 @ForceInline
595 public Double64Mask eq(VectorMask<Double> mask) {
596 Objects.requireNonNull(mask);
597 Double64Mask m = (Double64Mask)mask;
598 return xor(m.not());
599 }
600
601 // Unary operations
602
603 @Override
604 @ForceInline
605 public Double64Mask not() {
606 return xor(maskAll(true));
607 }
608
609 // Binary operations
610
611 @Override
612 @ForceInline
613 public Double64Mask and(VectorMask<Double> mask) {
614 Objects.requireNonNull(mask);
615 Double64Mask m = (Double64Mask)mask;
616 return VectorSupport.binaryOp(VECTOR_OP_AND, Double64Mask.class, long.class, VLENGTH,
617 this, m,
618 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
619 }
620
621 @Override
622 @ForceInline
623 public Double64Mask or(VectorMask<Double> mask) {
624 Objects.requireNonNull(mask);
625 Double64Mask m = (Double64Mask)mask;
626 return VectorSupport.binaryOp(VECTOR_OP_OR, Double64Mask.class, long.class, VLENGTH,
627 this, m,
628 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
629 }
630
631 @ForceInline
632 /* package-private */
633 Double64Mask xor(VectorMask<Double> mask) {
634 Objects.requireNonNull(mask);
635 Double64Mask m = (Double64Mask)mask;
636 return VectorSupport.binaryOp(VECTOR_OP_XOR, Double64Mask.class, long.class, VLENGTH,
637 this, m,
638 (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
639 }
640
641 // Mask Query operations
642
643 @Override
644 @ForceInline
645 public int trueCount() {
646 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Double64Mask.class, long.class, VLENGTH, this,
647 (m) -> trueCountHelper(((Double64Mask)m).getBits()));
648 }
649
650 @Override
651 @ForceInline
652 public int firstTrue() {
653 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Double64Mask.class, long.class, VLENGTH, this,
654 (m) -> firstTrueHelper(((Double64Mask)m).getBits()));
655 }
656
657 @Override
658 @ForceInline
659 public int lastTrue() {
660 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Double64Mask.class, long.class, VLENGTH, this,
661 (m) -> lastTrueHelper(((Double64Mask)m).getBits()));
662 }
663
664 // Reductions
665
666 @Override
667 @ForceInline
668 public boolean anyTrue() {
669 return VectorSupport.test(BT_ne, Double64Mask.class, long.class, VLENGTH,
670 this, vspecies().maskAll(true),
671 (m, __) -> anyTrueHelper(((Double64Mask)m).getBits()));
672 }
673
674 @Override
675 @ForceInline
676 public boolean allTrue() {
677 return VectorSupport.test(BT_overflow, Double64Mask.class, long.class, VLENGTH,
678 this, vspecies().maskAll(true),
679 (m, __) -> allTrueHelper(((Double64Mask)m).getBits()));
680 }
681
682 @ForceInline
683 /*package-private*/
684 static Double64Mask maskAll(boolean bit) {
685 return VectorSupport.broadcastCoerced(Double64Mask.class, long.class, VLENGTH,
686 (bit ? -1 : 0), null,
687 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
688 }
689 private static final Double64Mask TRUE_MASK = new Double64Mask(true);
690 private static final Double64Mask FALSE_MASK = new Double64Mask(false);
691
692 }
693
694 // Shuffle
695
696 static final class Double64Shuffle extends AbstractShuffle<Double> {
697 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
698 static final Class<Double> ETYPE = double.class; // used by the JVM
699
700 Double64Shuffle(byte[] reorder) {
701 super(VLENGTH, reorder);
702 }
703
704 public Double64Shuffle(int[] reorder) {
705 super(VLENGTH, reorder);
706 }
707
708 public Double64Shuffle(int[] reorder, int i) {
709 super(VLENGTH, reorder, i);
710 }
711
712 public Double64Shuffle(IntUnaryOperator fn) {
713 super(VLENGTH, fn);
714 }
715
716 @Override
717 public DoubleSpecies vspecies() {
718 return VSPECIES;
719 }
720
721 static {
722 // There must be enough bits in the shuffle lanes to encode
723 // VLENGTH valid indexes and VLENGTH exceptional ones.
724 assert(VLENGTH < Byte.MAX_VALUE);
725 assert(Byte.MIN_VALUE <= -VLENGTH);
726 }
727 static final Double64Shuffle IOTA = new Double64Shuffle(IDENTITY);
728
729 @Override
730 @ForceInline
731 public Double64Vector toVector() {
732 return VectorSupport.shuffleToVector(VCLASS, ETYPE, Double64Shuffle.class, this, VLENGTH,
733 (s) -> ((Double64Vector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
734 }
735
736 @Override
737 @ForceInline
738 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
739 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
740 if (length() != species.laneCount())
741 throw new IllegalArgumentException("VectorShuffle length and species length differ");
742 int[] shuffleArray = toArray();
743 return s.shuffleFromArray(shuffleArray, 0).check(s);
744 }
745
746 @ForceInline
747 @Override
748 public Double64Shuffle rearrange(VectorShuffle<Double> shuffle) {
749 Double64Shuffle s = (Double64Shuffle) shuffle;
750 byte[] reorder1 = reorder();
751 byte[] reorder2 = s.reorder();
752 byte[] r = new byte[reorder1.length];
753 for (int i = 0; i < reorder1.length; i++) {
754 int ssi = reorder2[i];
755 r[i] = reorder1[ssi]; // throws on exceptional index
756 }
757 return new Double64Shuffle(r);
758 }
759 }
760
761 // ================================================
762
763 // Specialized low-level memory operations.
764
765 @ForceInline
766 @Override
767 final
768 DoubleVector fromArray0(double[] a, int offset) {
769 return super.fromArray0Template(a, offset); // specialize
770 }
771
772
773
774 @ForceInline
775 @Override
776 final
777 DoubleVector fromByteArray0(byte[] a, int offset) {
778 return super.fromByteArray0Template(a, offset); // specialize
779 }
780
781 @ForceInline
782 @Override
783 final
784 DoubleVector fromByteBuffer0(ByteBuffer bb, int offset) {
785 return super.fromByteBuffer0Template(bb, offset); // specialize
786 }
787
788 @ForceInline
789 @Override
790 final
791 void intoArray0(double[] a, int offset) {
792 super.intoArray0Template(a, offset); // specialize
793 }
794
795 @ForceInline
796 @Override
797 final
798 void intoByteArray0(byte[] a, int offset) {
799 super.intoByteArray0Template(a, offset); // specialize
800 }
801
802 // End of specialized low-level memory operations.
803
804 // ================================================
805
806 }