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, VectorMask<Double> 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<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(Unary op, VectorMask<Double> m) {
279 return (Double64Vector) super.lanewiseTemplate(op, Double64Mask.class, (Double64Mask) m); // specialize
280 }
281
282 @Override
283 @ForceInline
284 public Double64Vector lanewise(Binary op, Vector<Double> v) {
285 return (Double64Vector) super.lanewiseTemplate(op, v); // specialize
286 }
287
288 @Override
289 @ForceInline
290 public Double64Vector lanewise(Binary op, Vector<Double> v, VectorMask<Double> m) {
291 return (Double64Vector) super.lanewiseTemplate(op, Double64Mask.class, v, (Double64Mask) m); // specialize
292 }
293
294
295 /*package-private*/
296 @Override
297 @ForceInline
298 public final
299 Double64Vector
300 lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2) {
301 return (Double64Vector) super.lanewiseTemplate(op, v1, v2); // specialize
302 }
303
304 @Override
305 @ForceInline
306 public final
307 Double64Vector
308 lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2, VectorMask<Double> m) {
309 return (Double64Vector) super.lanewiseTemplate(op, Double64Mask.class, v1, v2, (Double64Mask) m); // specialize
310 }
311
312 @Override
313 @ForceInline
314 public final
315 Double64Vector addIndex(int scale) {
316 return (Double64Vector) super.addIndexTemplate(scale); // specialize
317 }
318
319 // Type specific horizontal reductions
320
321 @Override
322 @ForceInline
323 public final double reduceLanes(VectorOperators.Associative op) {
324 return super.reduceLanesTemplate(op); // specialized
325 }
326
327 @Override
328 @ForceInline
329 public final double reduceLanes(VectorOperators.Associative op,
330 VectorMask<Double> m) {
331 return super.reduceLanesTemplate(op, Double64Mask.class, (Double64Mask) m); // specialized
332 }
333
334 @Override
335 @ForceInline
336 public final long reduceLanesToLong(VectorOperators.Associative op) {
337 return (long) super.reduceLanesTemplate(op); // specialized
338 }
339
340 @Override
341 @ForceInline
342 public final long reduceLanesToLong(VectorOperators.Associative op,
343 VectorMask<Double> m) {
344 return (long) super.reduceLanesTemplate(op, Double64Mask.class, (Double64Mask) m); // specialized
345 }
346
347 @ForceInline
348 public VectorShuffle<Double> toShuffle() {
349 return super.toShuffleTemplate(Double64Shuffle.class); // specialize
350 }
351
352 // Specialized unary testing
353
354 @Override
355 @ForceInline
356 public final Double64Mask test(Test op) {
357 return super.testTemplate(Double64Mask.class, op); // specialize
358 }
359
360 // Specialized comparisons
361
362 @Override
363 @ForceInline
364 public final Double64Mask compare(Comparison op, Vector<Double> v) {
365 return super.compareTemplate(Double64Mask.class, op, v); // specialize
366 }
367
368 @Override
369 @ForceInline
370 public final Double64Mask compare(Comparison op, double s) {
371 return super.compareTemplate(Double64Mask.class, op, s); // specialize
372 }
373
374 @Override
375 @ForceInline
376 public final Double64Mask compare(Comparison op, long s) {
377 return super.compareTemplate(Double64Mask.class, op, s); // specialize
378 }
379
380 @Override
381 @ForceInline
382 public final Double64Mask compare(Comparison op, Vector<Double> v, VectorMask<Double> m) {
383 return super.compareTemplate(Double64Mask.class, op, v, (Double64Mask) m);
384 }
385
386
387 @Override
388 @ForceInline
389 public Double64Vector blend(Vector<Double> v, VectorMask<Double> m) {
390 return (Double64Vector)
391 super.blendTemplate(Double64Mask.class,
392 (Double64Vector) v,
393 (Double64Mask) m); // specialize
394 }
395
396 @Override
397 @ForceInline
398 public Double64Vector slice(int origin, Vector<Double> v) {
399 return (Double64Vector) super.sliceTemplate(origin, v); // specialize
400 }
401
402 @Override
403 @ForceInline
404 public Double64Vector slice(int origin) {
405 return (Double64Vector) super.sliceTemplate(origin); // specialize
406 }
407
408 @Override
409 @ForceInline
410 public Double64Vector unslice(int origin, Vector<Double> w, int part) {
411 return (Double64Vector) super.unsliceTemplate(origin, w, part); // specialize
412 }
413
414 @Override
415 @ForceInline
416 public Double64Vector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
417 return (Double64Vector)
418 super.unsliceTemplate(Double64Mask.class,
419 origin, w, part,
420 (Double64Mask) m); // specialize
421 }
422
423 @Override
424 @ForceInline
425 public Double64Vector unslice(int origin) {
426 return (Double64Vector) super.unsliceTemplate(origin); // specialize
427 }
428
429 @Override
430 @ForceInline
431 public Double64Vector rearrange(VectorShuffle<Double> s) {
432 return (Double64Vector)
433 super.rearrangeTemplate(Double64Shuffle.class,
434 (Double64Shuffle) s); // specialize
435 }
436
437 @Override
438 @ForceInline
439 public Double64Vector rearrange(VectorShuffle<Double> shuffle,
440 VectorMask<Double> m) {
441 return (Double64Vector)
442 super.rearrangeTemplate(Double64Shuffle.class,
443 Double64Mask.class,
444 (Double64Shuffle) shuffle,
445 (Double64Mask) m); // specialize
446 }
447
448 @Override
449 @ForceInline
450 public Double64Vector rearrange(VectorShuffle<Double> s,
451 Vector<Double> v) {
452 return (Double64Vector)
453 super.rearrangeTemplate(Double64Shuffle.class,
454 (Double64Shuffle) s,
455 (Double64Vector) v); // specialize
456 }
457
458 @Override
459 @ForceInline
460 public Double64Vector selectFrom(Vector<Double> v) {
461 return (Double64Vector)
462 super.selectFromTemplate((Double64Vector) v); // specialize
463 }
464
465 @Override
466 @ForceInline
467 public Double64Vector selectFrom(Vector<Double> v,
468 VectorMask<Double> m) {
469 return (Double64Vector)
470 super.selectFromTemplate((Double64Vector) v,
471 (Double64Mask) m); // specialize
472 }
473
474
475 @ForceInline
476 @Override
477 public double lane(int i) {
478 long bits;
479 switch(i) {
480 case 0: bits = laneHelper(0); break;
481 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
482 }
483 return Double.longBitsToDouble(bits);
484 }
485
486 public long laneHelper(int i) {
487 return (long) VectorSupport.extract(
488 VCLASS, ETYPE, VLENGTH,
489 this, i,
490 (vec, ix) -> {
491 double[] vecarr = vec.vec();
492 return (long)Double.doubleToLongBits(vecarr[ix]);
493 });
494 }
495
496 @ForceInline
497 @Override
498 public Double64Vector withLane(int i, double e) {
499 switch(i) {
500 case 0: return withLaneHelper(0, e);
501 default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
502 }
503 }
504
505 public Double64Vector withLaneHelper(int i, double e) {
506 return VectorSupport.insert(
507 VCLASS, ETYPE, VLENGTH,
508 this, i, (long)Double.doubleToLongBits(e),
509 (v, ix, bits) -> {
510 double[] res = v.vec().clone();
511 res[ix] = Double.longBitsToDouble((long)bits);
512 return v.vectorFactory(res);
513 });
514 }
515
516 // Mask
517
518 static final class Double64Mask extends AbstractMask<Double> {
519 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
520 static final Class<Double> ETYPE = double.class; // used by the JVM
521
522 Double64Mask(boolean[] bits) {
523 this(bits, 0);
524 }
525
526 Double64Mask(boolean[] bits, int offset) {
527 super(prepare(bits, offset));
528 }
529
530 Double64Mask(boolean val) {
531 super(prepare(val));
532 }
533
534 private static boolean[] prepare(boolean[] bits, int offset) {
535 boolean[] newBits = new boolean[VSPECIES.laneCount()];
536 for (int i = 0; i < newBits.length; i++) {
537 newBits[i] = bits[offset + i];
538 }
539 return newBits;
540 }
541
542 private static boolean[] prepare(boolean val) {
543 boolean[] bits = new boolean[VSPECIES.laneCount()];
544 Arrays.fill(bits, val);
545 return bits;
546 }
547
548 @ForceInline
549 final @Override
550 public DoubleSpecies vspecies() {
551 // ISSUE: This should probably be a @Stable
552 // field inside AbstractMask, rather than
553 // a megamorphic method.
554 return VSPECIES;
555 }
556
557 @ForceInline
558 boolean[] getBits() {
559 return (boolean[])getPayload();
560 }
561
562 @Override
563 Double64Mask uOp(MUnOp f) {
564 boolean[] res = new boolean[vspecies().laneCount()];
565 boolean[] bits = getBits();
566 for (int i = 0; i < res.length; i++) {
567 res[i] = f.apply(i, bits[i]);
568 }
569 return new Double64Mask(res);
570 }
571
572 @Override
573 Double64Mask bOp(VectorMask<Double> m, MBinOp f) {
574 boolean[] res = new boolean[vspecies().laneCount()];
575 boolean[] bits = getBits();
576 boolean[] mbits = ((Double64Mask)m).getBits();
577 for (int i = 0; i < res.length; i++) {
578 res[i] = f.apply(i, bits[i], mbits[i]);
579 }
580 return new Double64Mask(res);
581 }
582
583 @ForceInline
584 @Override
585 public final
586 Double64Vector toVector() {
587 return (Double64Vector) super.toVectorTemplate(); // specialize
588 }
589
590 /**
591 * Helper function for lane-wise mask conversions.
592 * This function kicks in after intrinsic failure.
593 */
594 @ForceInline
595 private final <E>
596 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
597 if (length() != dsp.laneCount())
598 throw new IllegalArgumentException("VectorMask length and species length differ");
599 boolean[] maskArray = toArray();
600 return dsp.maskFactory(maskArray).check(dsp);
601 }
602
603 @Override
604 @ForceInline
605 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
606 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
607 if (length() != species.laneCount())
608 throw new IllegalArgumentException("VectorMask length and species length differ");
609
610 return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
611 this.getClass(), ETYPE, VLENGTH,
612 species.maskType(), species.elementType(), VLENGTH,
613 this, species,
614 (m, s) -> s.maskFactory(m.toArray()).check(s));
615 }
616
617 @Override
618 @ForceInline
619 public Double64Mask eq(VectorMask<Double> mask) {
620 Objects.requireNonNull(mask);
621 Double64Mask m = (Double64Mask)mask;
622 return xor(m.not());
623 }
624
625 // Unary operations
626
627 @Override
628 @ForceInline
629 public Double64Mask not() {
630 return xor(maskAll(true));
631 }
632
633 // Binary operations
634
635 @Override
636 @ForceInline
637 public Double64Mask and(VectorMask<Double> mask) {
638 Objects.requireNonNull(mask);
639 Double64Mask m = (Double64Mask)mask;
640 return VectorSupport.binaryOp(VECTOR_OP_AND, Double64Mask.class, null, long.class, VLENGTH,
641 this, m, null,
642 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
643 }
644
645 @Override
646 @ForceInline
647 public Double64Mask or(VectorMask<Double> mask) {
648 Objects.requireNonNull(mask);
649 Double64Mask m = (Double64Mask)mask;
650 return VectorSupport.binaryOp(VECTOR_OP_OR, Double64Mask.class, null, long.class, VLENGTH,
651 this, m, null,
652 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
653 }
654
655 @ForceInline
656 /* package-private */
657 Double64Mask xor(VectorMask<Double> mask) {
658 Objects.requireNonNull(mask);
659 Double64Mask m = (Double64Mask)mask;
660 return VectorSupport.binaryOp(VECTOR_OP_XOR, Double64Mask.class, null, long.class, VLENGTH,
661 this, m, null,
662 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
663 }
664
665 // Mask Query operations
666
667 @Override
668 @ForceInline
669 public int trueCount() {
670 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Double64Mask.class, long.class, VLENGTH, this,
671 (m) -> trueCountHelper(m.getBits()));
672 }
673
674 @Override
675 @ForceInline
676 public int firstTrue() {
677 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Double64Mask.class, long.class, VLENGTH, this,
678 (m) -> firstTrueHelper(m.getBits()));
679 }
680
681 @Override
682 @ForceInline
683 public int lastTrue() {
684 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Double64Mask.class, long.class, VLENGTH, this,
685 (m) -> lastTrueHelper(m.getBits()));
686 }
687
688 @Override
689 @ForceInline
690 public long toLong() {
691 if (length() > Long.SIZE) {
692 throw new UnsupportedOperationException("too many lanes for one long");
693 }
694 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Double64Mask.class, long.class, VLENGTH, this,
695 (m) -> toLongHelper(m.getBits()));
696 }
697
698 // Reductions
699
700 @Override
701 @ForceInline
702 public boolean anyTrue() {
703 return VectorSupport.test(BT_ne, Double64Mask.class, long.class, VLENGTH,
704 this, vspecies().maskAll(true),
705 (m, __) -> anyTrueHelper(((Double64Mask)m).getBits()));
706 }
707
708 @Override
709 @ForceInline
710 public boolean allTrue() {
711 return VectorSupport.test(BT_overflow, Double64Mask.class, long.class, VLENGTH,
712 this, vspecies().maskAll(true),
713 (m, __) -> allTrueHelper(((Double64Mask)m).getBits()));
714 }
715
716 @ForceInline
717 /*package-private*/
718 static Double64Mask maskAll(boolean bit) {
719 return VectorSupport.broadcastCoerced(Double64Mask.class, long.class, VLENGTH,
720 (bit ? -1 : 0), null,
721 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
722 }
723 private static final Double64Mask TRUE_MASK = new Double64Mask(true);
724 private static final Double64Mask FALSE_MASK = new Double64Mask(false);
725
726 }
727
728 // Shuffle
729
730 static final class Double64Shuffle extends AbstractShuffle<Double> {
731 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
732 static final Class<Double> ETYPE = double.class; // used by the JVM
733
734 Double64Shuffle(byte[] reorder) {
735 super(VLENGTH, reorder);
736 }
737
738 public Double64Shuffle(int[] reorder) {
739 super(VLENGTH, reorder);
740 }
741
742 public Double64Shuffle(int[] reorder, int i) {
743 super(VLENGTH, reorder, i);
744 }
745
746 public Double64Shuffle(IntUnaryOperator fn) {
747 super(VLENGTH, fn);
748 }
749
750 @Override
751 public DoubleSpecies vspecies() {
752 return VSPECIES;
753 }
754
755 static {
756 // There must be enough bits in the shuffle lanes to encode
757 // VLENGTH valid indexes and VLENGTH exceptional ones.
758 assert(VLENGTH < Byte.MAX_VALUE);
759 assert(Byte.MIN_VALUE <= -VLENGTH);
760 }
761 static final Double64Shuffle IOTA = new Double64Shuffle(IDENTITY);
762
763 @Override
764 @ForceInline
765 public Double64Vector toVector() {
766 return VectorSupport.shuffleToVector(VCLASS, ETYPE, Double64Shuffle.class, this, VLENGTH,
767 (s) -> ((Double64Vector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
768 }
769
770 @Override
771 @ForceInline
772 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
773 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
774 if (length() != species.laneCount())
775 throw new IllegalArgumentException("VectorShuffle length and species length differ");
776 int[] shuffleArray = toArray();
777 return s.shuffleFromArray(shuffleArray, 0).check(s);
778 }
779
780 @ForceInline
781 @Override
782 public Double64Shuffle rearrange(VectorShuffle<Double> shuffle) {
783 Double64Shuffle s = (Double64Shuffle) shuffle;
784 byte[] reorder1 = reorder();
785 byte[] reorder2 = s.reorder();
786 byte[] r = new byte[reorder1.length];
787 for (int i = 0; i < reorder1.length; i++) {
788 int ssi = reorder2[i];
789 r[i] = reorder1[ssi]; // throws on exceptional index
790 }
791 return new Double64Shuffle(r);
792 }
793 }
794
795 // ================================================
796
797 // Specialized low-level memory operations.
798
799 @ForceInline
800 @Override
801 final
802 DoubleVector fromArray0(double[] a, int offset) {
803 return super.fromArray0Template(a, offset); // specialize
804 }
805
806 @ForceInline
807 @Override
808 final
809 DoubleVector fromArray0(double[] a, int offset, VectorMask<Double> m) {
810 return super.fromArray0Template(Double64Mask.class, a, offset, (Double64Mask) m); // specialize
811 }
812
813 @ForceInline
814 @Override
815 final
816 DoubleVector fromArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
817 return super.fromArray0Template(Double64Mask.class, a, offset, indexMap, mapOffset, (Double64Mask) m);
818 }
819
820
821
822 @ForceInline
823 @Override
824 final
825 DoubleVector fromByteArray0(byte[] a, int offset) {
826 return super.fromByteArray0Template(a, offset); // specialize
827 }
828
829 @ForceInline
830 @Override
831 final
832 DoubleVector fromByteArray0(byte[] a, int offset, VectorMask<Double> m) {
833 return super.fromByteArray0Template(Double64Mask.class, a, offset, (Double64Mask) m); // specialize
834 }
835
836 @ForceInline
837 @Override
838 final
839 DoubleVector fromByteBuffer0(ByteBuffer bb, int offset) {
840 return super.fromByteBuffer0Template(bb, offset); // specialize
841 }
842
843 @ForceInline
844 @Override
845 final
846 DoubleVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
847 return super.fromByteBuffer0Template(Double64Mask.class, bb, offset, (Double64Mask) m); // specialize
848 }
849
850 @ForceInline
851 @Override
852 final
853 void intoArray0(double[] a, int offset) {
854 super.intoArray0Template(a, offset); // specialize
855 }
856
857 @ForceInline
858 @Override
859 final
860 void intoArray0(double[] a, int offset, VectorMask<Double> m) {
861 super.intoArray0Template(Double64Mask.class, a, offset, (Double64Mask) m);
862 }
863
864 @ForceInline
865 @Override
866 final
867 void intoArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
868 super.intoArray0Template(Double64Mask.class, a, offset, indexMap, mapOffset, (Double64Mask) m);
869 }
870
871
872 @ForceInline
873 @Override
874 final
875 void intoByteArray0(byte[] a, int offset) {
876 super.intoByteArray0Template(a, offset); // specialize
877 }
878
879 @ForceInline
880 @Override
881 final
882 void intoByteArray0(byte[] a, int offset, VectorMask<Double> m) {
883 super.intoByteArray0Template(Double64Mask.class, a, offset, (Double64Mask) m); // specialize
884 }
885
886 @ForceInline
887 @Override
888 final
889 void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
890 super.intoByteBuffer0Template(Double64Mask.class, bb, offset, (Double64Mask) m);
891 }
892
893
894 // End of specialized low-level memory operations.
895
896 // ================================================
897
898 }