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 Int64Vector extends IntVector {
 43     static final IntSpecies VSPECIES =
 44         (IntSpecies) IntVector.SPECIES_64;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Int64Vector> VCLASS = Int64Vector.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<Integer> ETYPE = int.class; // used by the JVM
 56 
 57     Int64Vector(int[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Int64Vector::new,
 62     // stored into species.vectorFactory.
 63     Int64Vector(Object v) {
 64         this((int[]) v);
 65     }
 66 
 67     static final Int64Vector ZERO = new Int64Vector(new int[VLENGTH]);
 68     static final Int64Vector IOTA = new Int64Vector(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 IntSpecies 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<Integer> elementType() { return int.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Integer.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     int[] vec() {
117         return (int[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Int64Vector broadcast(int e) {
125         return (Int64Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Int64Vector broadcast(long e) {
131         return (Int64Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Int64Mask maskFromArray(boolean[] bits) {
137         return new Int64Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Int64Shuffle iotaShuffle() { return Int64Shuffle.IOTA; }
143 
144     @ForceInline
145     Int64Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Int64Shuffle)VectorSupport.shuffleIota(ETYPE, Int64Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Int64Shuffle)VectorSupport.shuffleIota(ETYPE, Int64Shuffle.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     Int64Shuffle shuffleFromBytes(byte[] reorder) { return new Int64Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Int64Shuffle shuffleFromArray(int[] indexes, int i) { return new Int64Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Int64Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Int64Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Int64Vector vectorFactory(int[] vec) {
171         return new Int64Vector(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     Int64Vector uOp(FUnOp f) {
191         return (Int64Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Int64Vector uOp(VectorMask<Integer> m, FUnOp f) {
197         return (Int64Vector)
198             super.uOpTemplate((Int64Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Int64Vector bOp(Vector<Integer> v, FBinOp f) {
206         return (Int64Vector) super.bOpTemplate((Int64Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Int64Vector bOp(Vector<Integer> v,
212                      VectorMask<Integer> m, FBinOp f) {
213         return (Int64Vector)
214             super.bOpTemplate((Int64Vector)v, (Int64Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Int64Vector tOp(Vector<Integer> v1, Vector<Integer> v2, FTriOp f) {
223         return (Int64Vector)
224             super.tOpTemplate((Int64Vector)v1, (Int64Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Int64Vector tOp(Vector<Integer> v1, Vector<Integer> v2,
231                      VectorMask<Integer> m, FTriOp f) {
232         return (Int64Vector)
233             super.tOpTemplate((Int64Vector)v1, (Int64Vector)v2,
234                               (Int64Mask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     int rOp(int 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<Integer,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 Int64Vector lanewise(Unary op) {
273         return (Int64Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Int64Vector lanewise(Binary op, Vector<Integer> v) {
279         return (Int64Vector) super.lanewiseTemplate(op, v);  // specialize
280     }
281 
282     /*package-private*/
283     @Override
284     @ForceInline Int64Vector
285     lanewiseShift(VectorOperators.Binary op, int e) {
286         return (Int64Vector) super.lanewiseShiftTemplate(op, e);  // specialize
287     }
288 
289     /*package-private*/
290     @Override
291     @ForceInline
292     public final
293     Int64Vector
294     lanewise(VectorOperators.Ternary op, Vector<Integer> v1, Vector<Integer> v2) {
295         return (Int64Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
296     }
297 
298     @Override
299     @ForceInline
300     public final
301     Int64Vector addIndex(int scale) {
302         return (Int64Vector) super.addIndexTemplate(scale);  // specialize
303     }
304 
305     // Type specific horizontal reductions
306 
307     @Override
308     @ForceInline
309     public final int reduceLanes(VectorOperators.Associative op) {
310         return super.reduceLanesTemplate(op);  // specialized
311     }
312 
313     @Override
314     @ForceInline
315     public final int reduceLanes(VectorOperators.Associative op,
316                                     VectorMask<Integer> 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<Integer> m) {
330         return (long) super.reduceLanesTemplate(op, m);  // specialized
331     }
332 
333     @ForceInline
334     public VectorShuffle<Integer> toShuffle() {
335         return super.toShuffleTemplate(Int64Shuffle.class); // specialize
336     }
337 
338     // Specialized unary testing
339 
340     @Override
341     @ForceInline
342     public final Int64Mask test(Test op) {
343         return super.testTemplate(Int64Mask.class, op);  // specialize
344     }
345 
346     // Specialized comparisons
347 
348     @Override
349     @ForceInline
350     public final Int64Mask compare(Comparison op, Vector<Integer> v) {
351         return super.compareTemplate(Int64Mask.class, op, v);  // specialize
352     }
353 
354     @Override
355     @ForceInline
356     public final Int64Mask compare(Comparison op, int s) {
357         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
358     }
359 
360     @Override
361     @ForceInline
362     public final Int64Mask compare(Comparison op, long s) {
363         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
364     }
365 
366     @Override
367     @ForceInline
368     public Int64Vector blend(Vector<Integer> v, VectorMask<Integer> m) {
369         return (Int64Vector)
370             super.blendTemplate(Int64Mask.class,
371                                 (Int64Vector) v,
372                                 (Int64Mask) m);  // specialize
373     }
374 
375     @Override
376     @ForceInline
377     public Int64Vector slice(int origin, Vector<Integer> v) {
378         return (Int64Vector) super.sliceTemplate(origin, v);  // specialize
379     }
380 
381     @Override
382     @ForceInline
383     public Int64Vector slice(int origin) {
384         return (Int64Vector) super.sliceTemplate(origin);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public Int64Vector unslice(int origin, Vector<Integer> w, int part) {
390         return (Int64Vector) super.unsliceTemplate(origin, w, part);  // specialize
391     }
392 
393     @Override
394     @ForceInline
395     public Int64Vector unslice(int origin, Vector<Integer> w, int part, VectorMask<Integer> m) {
396         return (Int64Vector)
397             super.unsliceTemplate(Int64Mask.class,
398                                   origin, w, part,
399                                   (Int64Mask) m);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Int64Vector unslice(int origin) {
405         return (Int64Vector) super.unsliceTemplate(origin);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public Int64Vector rearrange(VectorShuffle<Integer> s) {
411         return (Int64Vector)
412             super.rearrangeTemplate(Int64Shuffle.class,
413                                     (Int64Shuffle) s);  // specialize
414     }
415 
416     @Override
417     @ForceInline
418     public Int64Vector rearrange(VectorShuffle<Integer> shuffle,
419                                   VectorMask<Integer> m) {
420         return (Int64Vector)
421             super.rearrangeTemplate(Int64Shuffle.class,
422                                     (Int64Shuffle) shuffle,
423                                     (Int64Mask) m);  // specialize
424     }
425 
426     @Override
427     @ForceInline
428     public Int64Vector rearrange(VectorShuffle<Integer> s,
429                                   Vector<Integer> v) {
430         return (Int64Vector)
431             super.rearrangeTemplate(Int64Shuffle.class,
432                                     (Int64Shuffle) s,
433                                     (Int64Vector) v);  // specialize
434     }
435 
436     @Override
437     @ForceInline
438     public Int64Vector selectFrom(Vector<Integer> v) {
439         return (Int64Vector)
440             super.selectFromTemplate((Int64Vector) v);  // specialize
441     }
442 
443     @Override
444     @ForceInline
445     public Int64Vector selectFrom(Vector<Integer> v,
446                                    VectorMask<Integer> m) {
447         return (Int64Vector)
448             super.selectFromTemplate((Int64Vector) v,
449                                      (Int64Mask) m);  // specialize
450     }
451 
452 
453     @ForceInline
454     @Override
455     public int lane(int i) {
456         switch(i) {
457             case 0: return laneHelper(0);
458             case 1: return laneHelper(1);
459             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
460         }
461     }
462 
463     public int laneHelper(int i) {
464         return (int) VectorSupport.extract(
465                                 VCLASS, ETYPE, VLENGTH,
466                                 this, i,
467                                 (vec, ix) -> {
468                                     int[] vecarr = vec.vec();
469                                     return (long)vecarr[ix];
470                                 });
471     }
472 
473     @ForceInline
474     @Override
475     public Int64Vector withLane(int i, int e) {
476         switch (i) {
477             case 0: return withLaneHelper(0, e);
478             case 1: return withLaneHelper(1, e);
479             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
480         }
481     }
482 
483     public Int64Vector withLaneHelper(int i, int e) {
484         return VectorSupport.insert(
485                                 VCLASS, ETYPE, VLENGTH,
486                                 this, i, (long)e,
487                                 (v, ix, bits) -> {
488                                     int[] res = v.vec().clone();
489                                     res[ix] = (int)bits;
490                                     return v.vectorFactory(res);
491                                 });
492     }
493 
494     // Mask
495 
496     static final class Int64Mask extends AbstractMask<Integer> {
497         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
498         static final Class<Integer> ETYPE = int.class; // used by the JVM
499 
500         Int64Mask(boolean[] bits) {
501             this(bits, 0);
502         }
503 
504         Int64Mask(boolean[] bits, int offset) {
505             super(prepare(bits, offset));
506         }
507 
508         Int64Mask(boolean val) {
509             super(prepare(val));
510         }
511 
512         private static boolean[] prepare(boolean[] bits, int offset) {
513             boolean[] newBits = new boolean[VSPECIES.laneCount()];
514             for (int i = 0; i < newBits.length; i++) {
515                 newBits[i] = bits[offset + i];
516             }
517             return newBits;
518         }
519 
520         private static boolean[] prepare(boolean val) {
521             boolean[] bits = new boolean[VSPECIES.laneCount()];
522             Arrays.fill(bits, val);
523             return bits;
524         }
525 
526         @ForceInline
527         final @Override
528         public IntSpecies vspecies() {
529             // ISSUE:  This should probably be a @Stable
530             // field inside AbstractMask, rather than
531             // a megamorphic method.
532             return VSPECIES;
533         }
534 
535         @ForceInline
536         boolean[] getBits() {
537             return (boolean[])getPayload();
538         }
539 
540         @Override
541         Int64Mask uOp(MUnOp f) {
542             boolean[] res = new boolean[vspecies().laneCount()];
543             boolean[] bits = getBits();
544             for (int i = 0; i < res.length; i++) {
545                 res[i] = f.apply(i, bits[i]);
546             }
547             return new Int64Mask(res);
548         }
549 
550         @Override
551         Int64Mask bOp(VectorMask<Integer> m, MBinOp f) {
552             boolean[] res = new boolean[vspecies().laneCount()];
553             boolean[] bits = getBits();
554             boolean[] mbits = ((Int64Mask)m).getBits();
555             for (int i = 0; i < res.length; i++) {
556                 res[i] = f.apply(i, bits[i], mbits[i]);
557             }
558             return new Int64Mask(res);
559         }
560 
561         @ForceInline
562         @Override
563         public final
564         Int64Vector toVector() {
565             return (Int64Vector) super.toVectorTemplate();  // specialize
566         }
567 
568         /**
569          * Helper function for lane-wise mask conversions.
570          * This function kicks in after intrinsic failure.
571          */
572         @ForceInline
573         private final <E>
574         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
575             if (length() != dsp.laneCount())
576                 throw new IllegalArgumentException("VectorMask length and species length differ");
577             boolean[] maskArray = toArray();
578             return  dsp.maskFactory(maskArray).check(dsp);
579         }
580 
581         @Override
582         @ForceInline
583         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
584             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
585             if (length() != species.laneCount())
586                 throw new IllegalArgumentException("VectorMask length and species length differ");
587             if (VSIZE == species.vectorBitSize()) {
588                 Class<?> dtype = species.elementType();
589                 Class<?> dmtype = species.maskType();
590                 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
591                     this.getClass(), ETYPE, VLENGTH,
592                     dmtype, dtype, VLENGTH,
593                     this, species,
594                     Int64Mask::defaultMaskCast);
595             }
596             return this.defaultMaskCast(species);
597         }
598 
599         @Override
600         @ForceInline
601         public Int64Mask eq(VectorMask<Integer> mask) {
602             Objects.requireNonNull(mask);
603             Int64Mask m = (Int64Mask)mask;
604             return xor(m.not());
605         }
606 
607         // Unary operations
608 
609         @Override
610         @ForceInline
611         public Int64Mask not() {
612             return xor(maskAll(true));
613         }
614 
615         // Binary operations
616 
617         @Override
618         @ForceInline
619         public Int64Mask and(VectorMask<Integer> mask) {
620             Objects.requireNonNull(mask);
621             Int64Mask m = (Int64Mask)mask;
622             return VectorSupport.binaryOp(VECTOR_OP_AND, Int64Mask.class, int.class, VLENGTH,
623                                              this, m,
624                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
625         }
626 
627         @Override
628         @ForceInline
629         public Int64Mask or(VectorMask<Integer> mask) {
630             Objects.requireNonNull(mask);
631             Int64Mask m = (Int64Mask)mask;
632             return VectorSupport.binaryOp(VECTOR_OP_OR, Int64Mask.class, int.class, VLENGTH,
633                                              this, m,
634                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
635         }
636 
637         @ForceInline
638         /* package-private */
639         Int64Mask xor(VectorMask<Integer> mask) {
640             Objects.requireNonNull(mask);
641             Int64Mask m = (Int64Mask)mask;
642             return VectorSupport.binaryOp(VECTOR_OP_XOR, Int64Mask.class, int.class, VLENGTH,
643                                           this, m,
644                                           (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
645         }
646 
647         // Mask Query operations
648 
649         @Override
650         @ForceInline
651         public int trueCount() {
652             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Int64Mask.class, int.class, VLENGTH, this,
653                                                       (m) -> trueCountHelper(((Int64Mask)m).getBits()));
654         }
655 
656         @Override
657         @ForceInline
658         public int firstTrue() {
659             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Int64Mask.class, int.class, VLENGTH, this,
660                                                       (m) -> firstTrueHelper(((Int64Mask)m).getBits()));
661         }
662 
663         @Override
664         @ForceInline
665         public int lastTrue() {
666             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Int64Mask.class, int.class, VLENGTH, this,
667                                                       (m) -> lastTrueHelper(((Int64Mask)m).getBits()));
668         }
669 
670         // Reductions
671 
672         @Override
673         @ForceInline
674         public boolean anyTrue() {
675             return VectorSupport.test(BT_ne, Int64Mask.class, int.class, VLENGTH,
676                                          this, vspecies().maskAll(true),
677                                          (m, __) -> anyTrueHelper(((Int64Mask)m).getBits()));
678         }
679 
680         @Override
681         @ForceInline
682         public boolean allTrue() {
683             return VectorSupport.test(BT_overflow, Int64Mask.class, int.class, VLENGTH,
684                                          this, vspecies().maskAll(true),
685                                          (m, __) -> allTrueHelper(((Int64Mask)m).getBits()));
686         }
687 
688         @ForceInline
689         /*package-private*/
690         static Int64Mask maskAll(boolean bit) {
691             return VectorSupport.broadcastCoerced(Int64Mask.class, int.class, VLENGTH,
692                                                   (bit ? -1 : 0), null,
693                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
694         }
695         private static final Int64Mask  TRUE_MASK = new Int64Mask(true);
696         private static final Int64Mask FALSE_MASK = new Int64Mask(false);
697 
698     }
699 
700     // Shuffle
701 
702     static final class Int64Shuffle extends AbstractShuffle<Integer> {
703         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
704         static final Class<Integer> ETYPE = int.class; // used by the JVM
705 
706         Int64Shuffle(byte[] reorder) {
707             super(VLENGTH, reorder);
708         }
709 
710         public Int64Shuffle(int[] reorder) {
711             super(VLENGTH, reorder);
712         }
713 
714         public Int64Shuffle(int[] reorder, int i) {
715             super(VLENGTH, reorder, i);
716         }
717 
718         public Int64Shuffle(IntUnaryOperator fn) {
719             super(VLENGTH, fn);
720         }
721 
722         @Override
723         public IntSpecies vspecies() {
724             return VSPECIES;
725         }
726 
727         static {
728             // There must be enough bits in the shuffle lanes to encode
729             // VLENGTH valid indexes and VLENGTH exceptional ones.
730             assert(VLENGTH < Byte.MAX_VALUE);
731             assert(Byte.MIN_VALUE <= -VLENGTH);
732         }
733         static final Int64Shuffle IOTA = new Int64Shuffle(IDENTITY);
734 
735         @Override
736         @ForceInline
737         public Int64Vector toVector() {
738             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Int64Shuffle.class, this, VLENGTH,
739                                                     (s) -> ((Int64Vector)(((AbstractShuffle<Integer>)(s)).toVectorTemplate())));
740         }
741 
742         @Override
743         @ForceInline
744         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
745             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
746             if (length() != species.laneCount())
747                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
748             int[] shuffleArray = toArray();
749             return s.shuffleFromArray(shuffleArray, 0).check(s);
750         }
751 
752         @ForceInline
753         @Override
754         public Int64Shuffle rearrange(VectorShuffle<Integer> shuffle) {
755             Int64Shuffle s = (Int64Shuffle) shuffle;
756             byte[] reorder1 = reorder();
757             byte[] reorder2 = s.reorder();
758             byte[] r = new byte[reorder1.length];
759             for (int i = 0; i < reorder1.length; i++) {
760                 int ssi = reorder2[i];
761                 r[i] = reorder1[ssi];  // throws on exceptional index
762             }
763             return new Int64Shuffle(r);
764         }
765     }
766 
767     // ================================================
768 
769     // Specialized low-level memory operations.
770 
771     @ForceInline
772     @Override
773     final
774     IntVector fromArray0(int[] a, int offset) {
775         return super.fromArray0Template(a, offset);  // specialize
776     }
777 
778 
779 
780     @ForceInline
781     @Override
782     final
783     IntVector fromByteArray0(byte[] a, int offset) {
784         return super.fromByteArray0Template(a, offset);  // specialize
785     }
786 
787     @ForceInline
788     @Override
789     final
790     IntVector fromByteBuffer0(ByteBuffer bb, int offset) {
791         return super.fromByteBuffer0Template(bb, offset);  // specialize
792     }
793 
794     @ForceInline
795     @Override
796     final
797     void intoArray0(int[] a, int offset) {
798         super.intoArray0Template(a, offset);  // specialize
799     }
800 
801     @ForceInline
802     @Override
803     final
804     void intoByteArray0(byte[] a, int offset) {
805         super.intoByteArray0Template(a, offset);  // specialize
806     }
807 
808     // End of specialized low-level memory operations.
809 
810     // ================================================
811 
812 }