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, VectorMask<Integer> 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<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(Unary op, VectorMask<Integer> m) {
279         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Int64Vector lanewise(Binary op, Vector<Integer> v) {
285         return (Int64Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Int64Vector lanewise(Binary op, Vector<Integer> v, VectorMask<Integer> m) {
291         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, v, (Int64Mask) m);  // specialize
292     }
293 
294     /*package-private*/
295     @Override
296     @ForceInline Int64Vector
297     lanewiseShift(VectorOperators.Binary op, int e) {
298         return (Int64Vector) super.lanewiseShiftTemplate(op, e);  // specialize
299     }
300 
301     /*package-private*/
302     @Override
303     @ForceInline Int64Vector
304     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Integer> m) {
305         return (Int64Vector) super.lanewiseShiftTemplate(op, Int64Mask.class, e, (Int64Mask) m);  // specialize
306     }
307 
308     /*package-private*/
309     @Override
310     @ForceInline
311     public final
312     Int64Vector
313     lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2) {
314         return (Int64Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
315     }
316 
317     @Override
318     @ForceInline
319     public final
320     Int64Vector
321     lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2, VectorMask<Integer> m) {
322         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, v1, v2, (Int64Mask) m);  // specialize
323     }
324 
325     @Override
326     @ForceInline
327     public final
328     Int64Vector addIndex(int scale) {
329         return (Int64Vector) super.addIndexTemplate(scale);  // specialize
330     }
331 
332     // Type specific horizontal reductions
333 
334     @Override
335     @ForceInline
336     public final int reduceLanes(VectorOperators.Associative op) {
337         return super.reduceLanesTemplate(op);  // specialized
338     }
339 
340     @Override
341     @ForceInline
342     public final int reduceLanes(VectorOperators.Associative op,
343                                     VectorMask<Integer> m) {
344         return super.reduceLanesTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialized
345     }
346 
347     @Override
348     @ForceInline
349     public final long reduceLanesToLong(VectorOperators.Associative op) {
350         return (long) super.reduceLanesTemplate(op);  // specialized
351     }
352 
353     @Override
354     @ForceInline
355     public final long reduceLanesToLong(VectorOperators.Associative op,
356                                         VectorMask<Integer> m) {
357         return (long) super.reduceLanesTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialized
358     }
359 
360     @ForceInline
361     public VectorShuffle<Integer> toShuffle() {
362         return super.toShuffleTemplate(Int64Shuffle.class); // specialize
363     }
364 
365     // Specialized unary testing
366 
367     @Override
368     @ForceInline
369     public final Int64Mask test(Test op) {
370         return super.testTemplate(Int64Mask.class, op);  // specialize
371     }
372 
373     // Specialized comparisons
374 
375     @Override
376     @ForceInline
377     public final Int64Mask compare(Comparison op, Vector<Integer> v) {
378         return super.compareTemplate(Int64Mask.class, op, v);  // specialize
379     }
380 
381     @Override
382     @ForceInline
383     public final Int64Mask compare(Comparison op, int s) {
384         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public final Int64Mask compare(Comparison op, long s) {
390         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
391     }
392 
393     @Override
394     @ForceInline
395     public final Int64Mask compare(Comparison op, Vector<Integer> v, VectorMask<Integer> m) {
396         return super.compareTemplate(Int64Mask.class, op, v, (Int64Mask) m);
397     }
398 
399 
400     @Override
401     @ForceInline
402     public Int64Vector blend(Vector<Integer> v, VectorMask<Integer> m) {
403         return (Int64Vector)
404             super.blendTemplate(Int64Mask.class,
405                                 (Int64Vector) v,
406                                 (Int64Mask) m);  // specialize
407     }
408 
409     @Override
410     @ForceInline
411     public Int64Vector slice(int origin, Vector<Integer> v) {
412         return (Int64Vector) super.sliceTemplate(origin, v);  // specialize
413     }
414 
415     @Override
416     @ForceInline
417     public Int64Vector slice(int origin) {
418         return (Int64Vector) super.sliceTemplate(origin);  // specialize
419     }
420 
421     @Override
422     @ForceInline
423     public Int64Vector unslice(int origin, Vector<Integer> w, int part) {
424         return (Int64Vector) super.unsliceTemplate(origin, w, part);  // specialize
425     }
426 
427     @Override
428     @ForceInline
429     public Int64Vector unslice(int origin, Vector<Integer> w, int part, VectorMask<Integer> m) {
430         return (Int64Vector)
431             super.unsliceTemplate(Int64Mask.class,
432                                   origin, w, part,
433                                   (Int64Mask) m);  // specialize
434     }
435 
436     @Override
437     @ForceInline
438     public Int64Vector unslice(int origin) {
439         return (Int64Vector) super.unsliceTemplate(origin);  // specialize
440     }
441 
442     @Override
443     @ForceInline
444     public Int64Vector rearrange(VectorShuffle<Integer> s) {
445         return (Int64Vector)
446             super.rearrangeTemplate(Int64Shuffle.class,
447                                     (Int64Shuffle) s);  // specialize
448     }
449 
450     @Override
451     @ForceInline
452     public Int64Vector rearrange(VectorShuffle<Integer> shuffle,
453                                   VectorMask<Integer> m) {
454         return (Int64Vector)
455             super.rearrangeTemplate(Int64Shuffle.class,
456                                     Int64Mask.class,
457                                     (Int64Shuffle) shuffle,
458                                     (Int64Mask) m);  // specialize
459     }
460 
461     @Override
462     @ForceInline
463     public Int64Vector rearrange(VectorShuffle<Integer> s,
464                                   Vector<Integer> v) {
465         return (Int64Vector)
466             super.rearrangeTemplate(Int64Shuffle.class,
467                                     (Int64Shuffle) s,
468                                     (Int64Vector) v);  // specialize
469     }
470 
471     @Override
472     @ForceInline
473     public Int64Vector selectFrom(Vector<Integer> v) {
474         return (Int64Vector)
475             super.selectFromTemplate((Int64Vector) v);  // specialize
476     }
477 
478     @Override
479     @ForceInline
480     public Int64Vector selectFrom(Vector<Integer> v,
481                                    VectorMask<Integer> m) {
482         return (Int64Vector)
483             super.selectFromTemplate((Int64Vector) v,
484                                      (Int64Mask) m);  // specialize
485     }
486 
487 
488     @ForceInline
489     @Override
490     public int lane(int i) {
491         switch(i) {
492             case 0: return laneHelper(0);
493             case 1: return laneHelper(1);
494             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
495         }
496     }
497 
498     public int laneHelper(int i) {
499         return (int) VectorSupport.extract(
500                                 VCLASS, ETYPE, VLENGTH,
501                                 this, i,
502                                 (vec, ix) -> {
503                                     int[] vecarr = vec.vec();
504                                     return (long)vecarr[ix];
505                                 });
506     }
507 
508     @ForceInline
509     @Override
510     public Int64Vector withLane(int i, int e) {
511         switch (i) {
512             case 0: return withLaneHelper(0, e);
513             case 1: return withLaneHelper(1, e);
514             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
515         }
516     }
517 
518     public Int64Vector withLaneHelper(int i, int e) {
519         return VectorSupport.insert(
520                                 VCLASS, ETYPE, VLENGTH,
521                                 this, i, (long)e,
522                                 (v, ix, bits) -> {
523                                     int[] res = v.vec().clone();
524                                     res[ix] = (int)bits;
525                                     return v.vectorFactory(res);
526                                 });
527     }
528 
529     // Mask
530 
531     static final class Int64Mask extends AbstractMask<Integer> {
532         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
533         static final Class<Integer> ETYPE = int.class; // used by the JVM
534 
535         Int64Mask(boolean[] bits) {
536             this(bits, 0);
537         }
538 
539         Int64Mask(boolean[] bits, int offset) {
540             super(prepare(bits, offset));
541         }
542 
543         Int64Mask(boolean val) {
544             super(prepare(val));
545         }
546 
547         private static boolean[] prepare(boolean[] bits, int offset) {
548             boolean[] newBits = new boolean[VSPECIES.laneCount()];
549             for (int i = 0; i < newBits.length; i++) {
550                 newBits[i] = bits[offset + i];
551             }
552             return newBits;
553         }
554 
555         private static boolean[] prepare(boolean val) {
556             boolean[] bits = new boolean[VSPECIES.laneCount()];
557             Arrays.fill(bits, val);
558             return bits;
559         }
560 
561         @ForceInline
562         final @Override
563         public IntSpecies vspecies() {
564             // ISSUE:  This should probably be a @Stable
565             // field inside AbstractMask, rather than
566             // a megamorphic method.
567             return VSPECIES;
568         }
569 
570         @ForceInline
571         boolean[] getBits() {
572             return (boolean[])getPayload();
573         }
574 
575         @Override
576         Int64Mask uOp(MUnOp f) {
577             boolean[] res = new boolean[vspecies().laneCount()];
578             boolean[] bits = getBits();
579             for (int i = 0; i < res.length; i++) {
580                 res[i] = f.apply(i, bits[i]);
581             }
582             return new Int64Mask(res);
583         }
584 
585         @Override
586         Int64Mask bOp(VectorMask<Integer> m, MBinOp f) {
587             boolean[] res = new boolean[vspecies().laneCount()];
588             boolean[] bits = getBits();
589             boolean[] mbits = ((Int64Mask)m).getBits();
590             for (int i = 0; i < res.length; i++) {
591                 res[i] = f.apply(i, bits[i], mbits[i]);
592             }
593             return new Int64Mask(res);
594         }
595 
596         @ForceInline
597         @Override
598         public final
599         Int64Vector toVector() {
600             return (Int64Vector) super.toVectorTemplate();  // specialize
601         }
602 
603         /**
604          * Helper function for lane-wise mask conversions.
605          * This function kicks in after intrinsic failure.
606          */
607         @ForceInline
608         private final <E>
609         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
610             if (length() != dsp.laneCount())
611                 throw new IllegalArgumentException("VectorMask length and species length differ");
612             boolean[] maskArray = toArray();
613             return  dsp.maskFactory(maskArray).check(dsp);
614         }
615 
616         @Override
617         @ForceInline
618         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
619             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
620             if (length() != species.laneCount())
621                 throw new IllegalArgumentException("VectorMask length and species length differ");
622 
623             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
624                 this.getClass(), ETYPE, VLENGTH,
625                 species.maskType(), species.elementType(), VLENGTH,
626                 this, species,
627                 (m, s) -> s.maskFactory(m.toArray()).check(s));
628         }
629 
630         @Override
631         @ForceInline
632         public Int64Mask eq(VectorMask<Integer> mask) {
633             Objects.requireNonNull(mask);
634             Int64Mask m = (Int64Mask)mask;
635             return xor(m.not());
636         }
637 
638         // Unary operations
639 
640         @Override
641         @ForceInline
642         public Int64Mask not() {
643             return xor(maskAll(true));
644         }
645 
646         // Binary operations
647 
648         @Override
649         @ForceInline
650         public Int64Mask and(VectorMask<Integer> mask) {
651             Objects.requireNonNull(mask);
652             Int64Mask m = (Int64Mask)mask;
653             return VectorSupport.binaryOp(VECTOR_OP_AND, Int64Mask.class, null, int.class, VLENGTH,
654                                           this, m, null,
655                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
656         }
657 
658         @Override
659         @ForceInline
660         public Int64Mask or(VectorMask<Integer> mask) {
661             Objects.requireNonNull(mask);
662             Int64Mask m = (Int64Mask)mask;
663             return VectorSupport.binaryOp(VECTOR_OP_OR, Int64Mask.class, null, int.class, VLENGTH,
664                                           this, m, null,
665                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
666         }
667 
668         @ForceInline
669         /* package-private */
670         Int64Mask xor(VectorMask<Integer> mask) {
671             Objects.requireNonNull(mask);
672             Int64Mask m = (Int64Mask)mask;
673             return VectorSupport.binaryOp(VECTOR_OP_XOR, Int64Mask.class, null, int.class, VLENGTH,
674                                           this, m, null,
675                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
676         }
677 
678         // Mask Query operations
679 
680         @Override
681         @ForceInline
682         public int trueCount() {
683             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Int64Mask.class, int.class, VLENGTH, this,
684                                                       (m) -> trueCountHelper(m.getBits()));
685         }
686 
687         @Override
688         @ForceInline
689         public int firstTrue() {
690             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Int64Mask.class, int.class, VLENGTH, this,
691                                                       (m) -> firstTrueHelper(m.getBits()));
692         }
693 
694         @Override
695         @ForceInline
696         public int lastTrue() {
697             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Int64Mask.class, int.class, VLENGTH, this,
698                                                       (m) -> lastTrueHelper(m.getBits()));
699         }
700 
701         @Override
702         @ForceInline
703         public long toLong() {
704             if (length() > Long.SIZE) {
705                 throw new UnsupportedOperationException("too many lanes for one long");
706             }
707             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Int64Mask.class, int.class, VLENGTH, this,
708                                                       (m) -> toLongHelper(m.getBits()));
709         }
710 
711         // Reductions
712 
713         @Override
714         @ForceInline
715         public boolean anyTrue() {
716             return VectorSupport.test(BT_ne, Int64Mask.class, int.class, VLENGTH,
717                                          this, vspecies().maskAll(true),
718                                          (m, __) -> anyTrueHelper(((Int64Mask)m).getBits()));
719         }
720 
721         @Override
722         @ForceInline
723         public boolean allTrue() {
724             return VectorSupport.test(BT_overflow, Int64Mask.class, int.class, VLENGTH,
725                                          this, vspecies().maskAll(true),
726                                          (m, __) -> allTrueHelper(((Int64Mask)m).getBits()));
727         }
728 
729         @ForceInline
730         /*package-private*/
731         static Int64Mask maskAll(boolean bit) {
732             return VectorSupport.broadcastCoerced(Int64Mask.class, int.class, VLENGTH,
733                                                   (bit ? -1 : 0), null,
734                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
735         }
736         private static final Int64Mask  TRUE_MASK = new Int64Mask(true);
737         private static final Int64Mask FALSE_MASK = new Int64Mask(false);
738 
739     }
740 
741     // Shuffle
742 
743     static final class Int64Shuffle extends AbstractShuffle<Integer> {
744         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
745         static final Class<Integer> ETYPE = int.class; // used by the JVM
746 
747         Int64Shuffle(byte[] reorder) {
748             super(VLENGTH, reorder);
749         }
750 
751         public Int64Shuffle(int[] reorder) {
752             super(VLENGTH, reorder);
753         }
754 
755         public Int64Shuffle(int[] reorder, int i) {
756             super(VLENGTH, reorder, i);
757         }
758 
759         public Int64Shuffle(IntUnaryOperator fn) {
760             super(VLENGTH, fn);
761         }
762 
763         @Override
764         public IntSpecies vspecies() {
765             return VSPECIES;
766         }
767 
768         static {
769             // There must be enough bits in the shuffle lanes to encode
770             // VLENGTH valid indexes and VLENGTH exceptional ones.
771             assert(VLENGTH < Byte.MAX_VALUE);
772             assert(Byte.MIN_VALUE <= -VLENGTH);
773         }
774         static final Int64Shuffle IOTA = new Int64Shuffle(IDENTITY);
775 
776         @Override
777         @ForceInline
778         public Int64Vector toVector() {
779             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Int64Shuffle.class, this, VLENGTH,
780                                                     (s) -> ((Int64Vector)(((AbstractShuffle<Integer>)(s)).toVectorTemplate())));
781         }
782 
783         @Override
784         @ForceInline
785         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
786             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
787             if (length() != species.laneCount())
788                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
789             int[] shuffleArray = toArray();
790             return s.shuffleFromArray(shuffleArray, 0).check(s);
791         }
792 
793         @ForceInline
794         @Override
795         public Int64Shuffle rearrange(VectorShuffle<Integer> shuffle) {
796             Int64Shuffle s = (Int64Shuffle) shuffle;
797             byte[] reorder1 = reorder();
798             byte[] reorder2 = s.reorder();
799             byte[] r = new byte[reorder1.length];
800             for (int i = 0; i < reorder1.length; i++) {
801                 int ssi = reorder2[i];
802                 r[i] = reorder1[ssi];  // throws on exceptional index
803             }
804             return new Int64Shuffle(r);
805         }
806     }
807 
808     // ================================================
809 
810     // Specialized low-level memory operations.
811 
812     @ForceInline
813     @Override
814     final
815     IntVector fromArray0(int[] a, int offset) {
816         return super.fromArray0Template(a, offset);  // specialize
817     }
818 
819     @ForceInline
820     @Override
821     final
822     IntVector fromArray0(int[] a, int offset, VectorMask<Integer> m) {
823         return super.fromArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);  // specialize
824     }
825 
826     @ForceInline
827     @Override
828     final
829     IntVector fromArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
830         return super.fromArray0Template(Int64Mask.class, a, offset, indexMap, mapOffset, (Int64Mask) m);
831     }
832 
833 
834 
835     @ForceInline
836     @Override
837     final
838     IntVector fromByteArray0(byte[] a, int offset) {
839         return super.fromByteArray0Template(a, offset);  // specialize
840     }
841 
842     @ForceInline
843     @Override
844     final
845     IntVector fromByteArray0(byte[] a, int offset, VectorMask<Integer> m) {
846         return super.fromByteArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);  // specialize
847     }
848 
849     @ForceInline
850     @Override
851     final
852     IntVector fromByteBuffer0(ByteBuffer bb, int offset) {
853         return super.fromByteBuffer0Template(bb, offset);  // specialize
854     }
855 
856     @ForceInline
857     @Override
858     final
859     IntVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Integer> m) {
860         return super.fromByteBuffer0Template(Int64Mask.class, bb, offset, (Int64Mask) m);  // specialize
861     }
862 
863     @ForceInline
864     @Override
865     final
866     void intoArray0(int[] a, int offset) {
867         super.intoArray0Template(a, offset);  // specialize
868     }
869 
870     @ForceInline
871     @Override
872     final
873     void intoArray0(int[] a, int offset, VectorMask<Integer> m) {
874         super.intoArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);
875     }
876 
877     @ForceInline
878     @Override
879     final
880     void intoArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
881         super.intoArray0Template(Int64Mask.class, a, offset, indexMap, mapOffset, (Int64Mask) m);
882     }
883 
884 
885     @ForceInline
886     @Override
887     final
888     void intoByteArray0(byte[] a, int offset) {
889         super.intoByteArray0Template(a, offset);  // specialize
890     }
891 
892     @ForceInline
893     @Override
894     final
895     void intoByteArray0(byte[] a, int offset, VectorMask<Integer> m) {
896         super.intoByteArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);  // specialize
897     }
898 
899     @ForceInline
900     @Override
901     final
902     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Integer> m) {
903         super.intoByteBuffer0Template(Int64Mask.class, bb, offset, (Int64Mask) m);
904     }
905 
906 
907     // End of specialized low-level memory operations.
908 
909     // ================================================
910 
911 }