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 Long512Vector extends LongVector {
 43     static final LongSpecies VSPECIES =
 44         (LongSpecies) LongVector.SPECIES_512;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Long512Vector> VCLASS = Long512Vector.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<Long> ETYPE = long.class; // used by the JVM
 56 
 57     Long512Vector(long[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Long512Vector::new,
 62     // stored into species.vectorFactory.
 63     Long512Vector(Object v) {
 64         this((long[]) v);
 65     }
 66 
 67     static final Long512Vector ZERO = new Long512Vector(new long[VLENGTH]);
 68     static final Long512Vector IOTA = new Long512Vector(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 LongSpecies 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<Long> elementType() { return long.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Long.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     long[] vec() {
117         return (long[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Long512Vector broadcast(long e) {
125         return (Long512Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128 
129     @Override
130     @ForceInline
131     Long512Mask maskFromArray(boolean[] bits) {
132         return new Long512Mask(bits);
133     }
134 
135     @Override
136     @ForceInline
137     Long512Shuffle iotaShuffle() { return Long512Shuffle.IOTA; }
138 
139     @ForceInline
140     Long512Shuffle iotaShuffle(int start, int step, boolean wrap) {
141       if (wrap) {
142         return (Long512Shuffle)VectorSupport.shuffleIota(ETYPE, Long512Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
143                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
144       } else {
145         return (Long512Shuffle)VectorSupport.shuffleIota(ETYPE, Long512Shuffle.class, VSPECIES, VLENGTH, start, step, 0,
146                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (i*lstep + lstart)));
147       }
148     }
149 
150     @Override
151     @ForceInline
152     Long512Shuffle shuffleFromBytes(byte[] reorder) { return new Long512Shuffle(reorder); }
153 
154     @Override
155     @ForceInline
156     Long512Shuffle shuffleFromArray(int[] indexes, int i) { return new Long512Shuffle(indexes, i); }
157 
158     @Override
159     @ForceInline
160     Long512Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Long512Shuffle(fn); }
161 
162     // Make a vector of the same species but the given elements:
163     @ForceInline
164     final @Override
165     Long512Vector vectorFactory(long[] vec) {
166         return new Long512Vector(vec);
167     }
168 
169     @ForceInline
170     final @Override
171     Byte512Vector asByteVectorRaw() {
172         return (Byte512Vector) super.asByteVectorRawTemplate();  // specialize
173     }
174 
175     @ForceInline
176     final @Override
177     AbstractVector<?> asVectorRaw(LaneType laneType) {
178         return super.asVectorRawTemplate(laneType);  // specialize
179     }
180 
181     // Unary operator
182 
183     @ForceInline
184     final @Override
185     Long512Vector uOp(FUnOp f) {
186         return (Long512Vector) super.uOpTemplate(f);  // specialize
187     }
188 
189     @ForceInline
190     final @Override
191     Long512Vector uOp(VectorMask<Long> m, FUnOp f) {
192         return (Long512Vector)
193             super.uOpTemplate((Long512Mask)m, f);  // specialize
194     }
195 
196     // Binary operator
197 
198     @ForceInline
199     final @Override
200     Long512Vector bOp(Vector<Long> v, FBinOp f) {
201         return (Long512Vector) super.bOpTemplate((Long512Vector)v, f);  // specialize
202     }
203 
204     @ForceInline
205     final @Override
206     Long512Vector bOp(Vector<Long> v,
207                      VectorMask<Long> m, FBinOp f) {
208         return (Long512Vector)
209             super.bOpTemplate((Long512Vector)v, (Long512Mask)m,
210                               f);  // specialize
211     }
212 
213     // Ternary operator
214 
215     @ForceInline
216     final @Override
217     Long512Vector tOp(Vector<Long> v1, Vector<Long> v2, FTriOp f) {
218         return (Long512Vector)
219             super.tOpTemplate((Long512Vector)v1, (Long512Vector)v2,
220                               f);  // specialize
221     }
222 
223     @ForceInline
224     final @Override
225     Long512Vector tOp(Vector<Long> v1, Vector<Long> v2,
226                      VectorMask<Long> m, FTriOp f) {
227         return (Long512Vector)
228             super.tOpTemplate((Long512Vector)v1, (Long512Vector)v2,
229                               (Long512Mask)m, f);  // specialize
230     }
231 
232     @ForceInline
233     final @Override
234     long rOp(long v, FBinOp f) {
235         return super.rOpTemplate(v, f);  // specialize
236     }
237 
238     @Override
239     @ForceInline
240     public final <F>
241     Vector<F> convertShape(VectorOperators.Conversion<Long,F> conv,
242                            VectorSpecies<F> rsp, int part) {
243         return super.convertShapeTemplate(conv, rsp, part);  // specialize
244     }
245 
246     @Override
247     @ForceInline
248     public final <F>
249     Vector<F> reinterpretShape(VectorSpecies<F> toSpecies, int part) {
250         return super.reinterpretShapeTemplate(toSpecies, part);  // specialize
251     }
252 
253     // Specialized algebraic operations:
254 
255     // The following definition forces a specialized version of this
256     // crucial method into the v-table of this class.  A call to add()
257     // will inline to a call to lanewise(ADD,), at which point the JIT
258     // intrinsic will have the opcode of ADD, plus all the metadata
259     // for this particular class, enabling it to generate precise
260     // code.
261     //
262     // There is probably no benefit to the JIT to specialize the
263     // masked or broadcast versions of the lanewise method.
264 
265     @Override
266     @ForceInline
267     public Long512Vector lanewise(Unary op) {
268         return (Long512Vector) super.lanewiseTemplate(op);  // specialize
269     }
270 
271     @Override
272     @ForceInline
273     public Long512Vector lanewise(Binary op, Vector<Long> v) {
274         return (Long512Vector) super.lanewiseTemplate(op, v);  // specialize
275     }
276 
277     /*package-private*/
278     @Override
279     @ForceInline Long512Vector
280     lanewiseShift(VectorOperators.Binary op, int e) {
281         return (Long512Vector) super.lanewiseShiftTemplate(op, e);  // specialize
282     }
283 
284     /*package-private*/
285     @Override
286     @ForceInline
287     public final
288     Long512Vector
289     lanewise(VectorOperators.Ternary op, Vector<Long> v1, Vector<Long> v2) {
290         return (Long512Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
291     }
292 
293     @Override
294     @ForceInline
295     public final
296     Long512Vector addIndex(int scale) {
297         return (Long512Vector) super.addIndexTemplate(scale);  // specialize
298     }
299 
300     // Type specific horizontal reductions
301 
302     @Override
303     @ForceInline
304     public final long reduceLanes(VectorOperators.Associative op) {
305         return super.reduceLanesTemplate(op);  // specialized
306     }
307 
308     @Override
309     @ForceInline
310     public final long reduceLanes(VectorOperators.Associative op,
311                                     VectorMask<Long> m) {
312         return super.reduceLanesTemplate(op, m);  // specialized
313     }
314 
315     @Override
316     @ForceInline
317     public final long reduceLanesToLong(VectorOperators.Associative op) {
318         return (long) super.reduceLanesTemplate(op);  // specialized
319     }
320 
321     @Override
322     @ForceInline
323     public final long reduceLanesToLong(VectorOperators.Associative op,
324                                         VectorMask<Long> m) {
325         return (long) super.reduceLanesTemplate(op, m);  // specialized
326     }
327 
328     @ForceInline
329     public VectorShuffle<Long> toShuffle() {
330         return super.toShuffleTemplate(Long512Shuffle.class); // specialize
331     }
332 
333     // Specialized unary testing
334 
335     @Override
336     @ForceInline
337     public final Long512Mask test(Test op) {
338         return super.testTemplate(Long512Mask.class, op);  // specialize
339     }
340 
341     // Specialized comparisons
342 
343     @Override
344     @ForceInline
345     public final Long512Mask compare(Comparison op, Vector<Long> v) {
346         return super.compareTemplate(Long512Mask.class, op, v);  // specialize
347     }
348 
349     @Override
350     @ForceInline
351     public final Long512Mask compare(Comparison op, long s) {
352         return super.compareTemplate(Long512Mask.class, op, s);  // specialize
353     }
354 
355 
356     @Override
357     @ForceInline
358     public Long512Vector blend(Vector<Long> v, VectorMask<Long> m) {
359         return (Long512Vector)
360             super.blendTemplate(Long512Mask.class,
361                                 (Long512Vector) v,
362                                 (Long512Mask) m);  // specialize
363     }
364 
365     @Override
366     @ForceInline
367     public Long512Vector slice(int origin, Vector<Long> v) {
368         return (Long512Vector) super.sliceTemplate(origin, v);  // specialize
369     }
370 
371     @Override
372     @ForceInline
373     public Long512Vector slice(int origin) {
374         return (Long512Vector) super.sliceTemplate(origin);  // specialize
375     }
376 
377     @Override
378     @ForceInline
379     public Long512Vector unslice(int origin, Vector<Long> w, int part) {
380         return (Long512Vector) super.unsliceTemplate(origin, w, part);  // specialize
381     }
382 
383     @Override
384     @ForceInline
385     public Long512Vector unslice(int origin, Vector<Long> w, int part, VectorMask<Long> m) {
386         return (Long512Vector)
387             super.unsliceTemplate(Long512Mask.class,
388                                   origin, w, part,
389                                   (Long512Mask) m);  // specialize
390     }
391 
392     @Override
393     @ForceInline
394     public Long512Vector unslice(int origin) {
395         return (Long512Vector) super.unsliceTemplate(origin);  // specialize
396     }
397 
398     @Override
399     @ForceInline
400     public Long512Vector rearrange(VectorShuffle<Long> s) {
401         return (Long512Vector)
402             super.rearrangeTemplate(Long512Shuffle.class,
403                                     (Long512Shuffle) s);  // specialize
404     }
405 
406     @Override
407     @ForceInline
408     public Long512Vector rearrange(VectorShuffle<Long> shuffle,
409                                   VectorMask<Long> m) {
410         return (Long512Vector)
411             super.rearrangeTemplate(Long512Shuffle.class,
412                                     (Long512Shuffle) shuffle,
413                                     (Long512Mask) m);  // specialize
414     }
415 
416     @Override
417     @ForceInline
418     public Long512Vector rearrange(VectorShuffle<Long> s,
419                                   Vector<Long> v) {
420         return (Long512Vector)
421             super.rearrangeTemplate(Long512Shuffle.class,
422                                     (Long512Shuffle) s,
423                                     (Long512Vector) v);  // specialize
424     }
425 
426     @Override
427     @ForceInline
428     public Long512Vector selectFrom(Vector<Long> v) {
429         return (Long512Vector)
430             super.selectFromTemplate((Long512Vector) v);  // specialize
431     }
432 
433     @Override
434     @ForceInline
435     public Long512Vector selectFrom(Vector<Long> v,
436                                    VectorMask<Long> m) {
437         return (Long512Vector)
438             super.selectFromTemplate((Long512Vector) v,
439                                      (Long512Mask) m);  // specialize
440     }
441 
442 
443     @ForceInline
444     @Override
445     public long lane(int i) {
446         switch(i) {
447             case 0: return laneHelper(0);
448             case 1: return laneHelper(1);
449             case 2: return laneHelper(2);
450             case 3: return laneHelper(3);
451             case 4: return laneHelper(4);
452             case 5: return laneHelper(5);
453             case 6: return laneHelper(6);
454             case 7: return laneHelper(7);
455             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
456         }
457     }
458 
459     public long laneHelper(int i) {
460         return (long) VectorSupport.extract(
461                                 VCLASS, ETYPE, VLENGTH,
462                                 this, i,
463                                 (vec, ix) -> {
464                                     long[] vecarr = vec.vec();
465                                     return (long)vecarr[ix];
466                                 });
467     }
468 
469     @ForceInline
470     @Override
471     public Long512Vector withLane(int i, long e) {
472         switch (i) {
473             case 0: return withLaneHelper(0, e);
474             case 1: return withLaneHelper(1, e);
475             case 2: return withLaneHelper(2, e);
476             case 3: return withLaneHelper(3, e);
477             case 4: return withLaneHelper(4, e);
478             case 5: return withLaneHelper(5, e);
479             case 6: return withLaneHelper(6, e);
480             case 7: return withLaneHelper(7, e);
481             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
482         }
483     }
484 
485     public Long512Vector withLaneHelper(int i, long e) {
486         return VectorSupport.insert(
487                                 VCLASS, ETYPE, VLENGTH,
488                                 this, i, (long)e,
489                                 (v, ix, bits) -> {
490                                     long[] res = v.vec().clone();
491                                     res[ix] = (long)bits;
492                                     return v.vectorFactory(res);
493                                 });
494     }
495 
496     // Mask
497 
498     static final class Long512Mask extends AbstractMask<Long> {
499         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
500         static final Class<Long> ETYPE = long.class; // used by the JVM
501 
502         Long512Mask(boolean[] bits) {
503             this(bits, 0);
504         }
505 
506         Long512Mask(boolean[] bits, int offset) {
507             super(prepare(bits, offset));
508         }
509 
510         Long512Mask(boolean val) {
511             super(prepare(val));
512         }
513 
514         private static boolean[] prepare(boolean[] bits, int offset) {
515             boolean[] newBits = new boolean[VSPECIES.laneCount()];
516             for (int i = 0; i < newBits.length; i++) {
517                 newBits[i] = bits[offset + i];
518             }
519             return newBits;
520         }
521 
522         private static boolean[] prepare(boolean val) {
523             boolean[] bits = new boolean[VSPECIES.laneCount()];
524             Arrays.fill(bits, val);
525             return bits;
526         }
527 
528         @ForceInline
529         final @Override
530         public LongSpecies vspecies() {
531             // ISSUE:  This should probably be a @Stable
532             // field inside AbstractMask, rather than
533             // a megamorphic method.
534             return VSPECIES;
535         }
536 
537         @ForceInline
538         boolean[] getBits() {
539             return (boolean[])getPayload();
540         }
541 
542         @Override
543         Long512Mask uOp(MUnOp f) {
544             boolean[] res = new boolean[vspecies().laneCount()];
545             boolean[] bits = getBits();
546             for (int i = 0; i < res.length; i++) {
547                 res[i] = f.apply(i, bits[i]);
548             }
549             return new Long512Mask(res);
550         }
551 
552         @Override
553         Long512Mask bOp(VectorMask<Long> m, MBinOp f) {
554             boolean[] res = new boolean[vspecies().laneCount()];
555             boolean[] bits = getBits();
556             boolean[] mbits = ((Long512Mask)m).getBits();
557             for (int i = 0; i < res.length; i++) {
558                 res[i] = f.apply(i, bits[i], mbits[i]);
559             }
560             return new Long512Mask(res);
561         }
562 
563         @ForceInline
564         @Override
565         public final
566         Long512Vector toVector() {
567             return (Long512Vector) super.toVectorTemplate();  // specialize
568         }
569 
570         /**
571          * Helper function for lane-wise mask conversions.
572          * This function kicks in after intrinsic failure.
573          */
574         @ForceInline
575         private final <E>
576         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
577             if (length() != dsp.laneCount())
578                 throw new IllegalArgumentException("VectorMask length and species length differ");
579             boolean[] maskArray = toArray();
580             return  dsp.maskFactory(maskArray).check(dsp);
581         }
582 
583         @Override
584         @ForceInline
585         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
586             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
587             if (length() != species.laneCount())
588                 throw new IllegalArgumentException("VectorMask length and species length differ");
589             if (VSIZE == species.vectorBitSize()) {
590                 Class<?> dtype = species.elementType();
591                 Class<?> dmtype = species.maskType();
592                 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
593                     this.getClass(), ETYPE, VLENGTH,
594                     dmtype, dtype, VLENGTH,
595                     this, species,
596                     Long512Mask::defaultMaskCast);
597             }
598             return this.defaultMaskCast(species);
599         }
600 
601         @Override
602         @ForceInline
603         public Long512Mask eq(VectorMask<Long> mask) {
604             Objects.requireNonNull(mask);
605             Long512Mask m = (Long512Mask)mask;
606             return xor(m.not());
607         }
608 
609         // Unary operations
610 
611         @Override
612         @ForceInline
613         public Long512Mask not() {
614             return xor(maskAll(true));
615         }
616 
617         // Binary operations
618 
619         @Override
620         @ForceInline
621         public Long512Mask and(VectorMask<Long> mask) {
622             Objects.requireNonNull(mask);
623             Long512Mask m = (Long512Mask)mask;
624             return VectorSupport.binaryOp(VECTOR_OP_AND, Long512Mask.class, long.class, VLENGTH,
625                                              this, m,
626                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
627         }
628 
629         @Override
630         @ForceInline
631         public Long512Mask or(VectorMask<Long> mask) {
632             Objects.requireNonNull(mask);
633             Long512Mask m = (Long512Mask)mask;
634             return VectorSupport.binaryOp(VECTOR_OP_OR, Long512Mask.class, long.class, VLENGTH,
635                                              this, m,
636                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
637         }
638 
639         @ForceInline
640         /* package-private */
641         Long512Mask xor(VectorMask<Long> mask) {
642             Objects.requireNonNull(mask);
643             Long512Mask m = (Long512Mask)mask;
644             return VectorSupport.binaryOp(VECTOR_OP_XOR, Long512Mask.class, long.class, VLENGTH,
645                                           this, m,
646                                           (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
647         }
648 
649         // Mask Query operations
650 
651         @Override
652         @ForceInline
653         public int trueCount() {
654             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Long512Mask.class, long.class, VLENGTH, this,
655                                                       (m) -> trueCountHelper(((Long512Mask)m).getBits()));
656         }
657 
658         @Override
659         @ForceInline
660         public int firstTrue() {
661             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Long512Mask.class, long.class, VLENGTH, this,
662                                                       (m) -> firstTrueHelper(((Long512Mask)m).getBits()));
663         }
664 
665         @Override
666         @ForceInline
667         public int lastTrue() {
668             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Long512Mask.class, long.class, VLENGTH, this,
669                                                       (m) -> lastTrueHelper(((Long512Mask)m).getBits()));
670         }
671 
672         // Reductions
673 
674         @Override
675         @ForceInline
676         public boolean anyTrue() {
677             return VectorSupport.test(BT_ne, Long512Mask.class, long.class, VLENGTH,
678                                          this, vspecies().maskAll(true),
679                                          (m, __) -> anyTrueHelper(((Long512Mask)m).getBits()));
680         }
681 
682         @Override
683         @ForceInline
684         public boolean allTrue() {
685             return VectorSupport.test(BT_overflow, Long512Mask.class, long.class, VLENGTH,
686                                          this, vspecies().maskAll(true),
687                                          (m, __) -> allTrueHelper(((Long512Mask)m).getBits()));
688         }
689 
690         @ForceInline
691         /*package-private*/
692         static Long512Mask maskAll(boolean bit) {
693             return VectorSupport.broadcastCoerced(Long512Mask.class, long.class, VLENGTH,
694                                                   (bit ? -1 : 0), null,
695                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
696         }
697         private static final Long512Mask  TRUE_MASK = new Long512Mask(true);
698         private static final Long512Mask FALSE_MASK = new Long512Mask(false);
699 
700     }
701 
702     // Shuffle
703 
704     static final class Long512Shuffle extends AbstractShuffle<Long> {
705         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
706         static final Class<Long> ETYPE = long.class; // used by the JVM
707 
708         Long512Shuffle(byte[] reorder) {
709             super(VLENGTH, reorder);
710         }
711 
712         public Long512Shuffle(int[] reorder) {
713             super(VLENGTH, reorder);
714         }
715 
716         public Long512Shuffle(int[] reorder, int i) {
717             super(VLENGTH, reorder, i);
718         }
719 
720         public Long512Shuffle(IntUnaryOperator fn) {
721             super(VLENGTH, fn);
722         }
723 
724         @Override
725         public LongSpecies vspecies() {
726             return VSPECIES;
727         }
728 
729         static {
730             // There must be enough bits in the shuffle lanes to encode
731             // VLENGTH valid indexes and VLENGTH exceptional ones.
732             assert(VLENGTH < Byte.MAX_VALUE);
733             assert(Byte.MIN_VALUE <= -VLENGTH);
734         }
735         static final Long512Shuffle IOTA = new Long512Shuffle(IDENTITY);
736 
737         @Override
738         @ForceInline
739         public Long512Vector toVector() {
740             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Long512Shuffle.class, this, VLENGTH,
741                                                     (s) -> ((Long512Vector)(((AbstractShuffle<Long>)(s)).toVectorTemplate())));
742         }
743 
744         @Override
745         @ForceInline
746         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
747             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
748             if (length() != species.laneCount())
749                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
750             int[] shuffleArray = toArray();
751             return s.shuffleFromArray(shuffleArray, 0).check(s);
752         }
753 
754         @ForceInline
755         @Override
756         public Long512Shuffle rearrange(VectorShuffle<Long> shuffle) {
757             Long512Shuffle s = (Long512Shuffle) shuffle;
758             byte[] reorder1 = reorder();
759             byte[] reorder2 = s.reorder();
760             byte[] r = new byte[reorder1.length];
761             for (int i = 0; i < reorder1.length; i++) {
762                 int ssi = reorder2[i];
763                 r[i] = reorder1[ssi];  // throws on exceptional index
764             }
765             return new Long512Shuffle(r);
766         }
767     }
768 
769     // ================================================
770 
771     // Specialized low-level memory operations.
772 
773     @ForceInline
774     @Override
775     final
776     LongVector fromArray0(long[] a, int offset) {
777         return super.fromArray0Template(a, offset);  // specialize
778     }
779 
780 
781 
782     @ForceInline
783     @Override
784     final
785     LongVector fromByteArray0(byte[] a, int offset) {
786         return super.fromByteArray0Template(a, offset);  // specialize
787     }
788 
789     @ForceInline
790     @Override
791     final
792     LongVector fromByteBuffer0(ByteBuffer bb, int offset) {
793         return super.fromByteBuffer0Template(bb, offset);  // specialize
794     }
795 
796     @ForceInline
797     @Override
798     final
799     void intoArray0(long[] a, int offset) {
800         super.intoArray0Template(a, offset);  // specialize
801     }
802 
803     @ForceInline
804     @Override
805     final
806     void intoByteArray0(byte[] a, int offset) {
807         super.intoByteArray0Template(a, offset);  // specialize
808     }
809 
810     // End of specialized low-level memory operations.
811 
812     // ================================================
813 
814 }