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 Short512Vector extends ShortVector {
 43     static final ShortSpecies VSPECIES =
 44         (ShortSpecies) ShortVector.SPECIES_512;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Short512Vector> VCLASS = Short512Vector.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<Short> ETYPE = short.class; // used by the JVM
 56 
 57     Short512Vector(short[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Short512Vector::new,
 62     // stored into species.vectorFactory.
 63     Short512Vector(Object v) {
 64         this((short[]) v);
 65     }
 66 
 67     static final Short512Vector ZERO = new Short512Vector(new short[VLENGTH]);
 68     static final Short512Vector IOTA = new Short512Vector(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 ShortSpecies 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<Short> elementType() { return short.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Short.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     short[] vec() {
117         return (short[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Short512Vector broadcast(short e) {
125         return (Short512Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Short512Vector broadcast(long e) {
131         return (Short512Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Short512Mask maskFromArray(boolean[] bits) {
137         return new Short512Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Short512Shuffle iotaShuffle() { return Short512Shuffle.IOTA; }
143 
144     @ForceInline
145     Short512Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Short512Shuffle)VectorSupport.shuffleIota(ETYPE, Short512Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Short512Shuffle)VectorSupport.shuffleIota(ETYPE, Short512Shuffle.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     Short512Shuffle shuffleFromBytes(byte[] reorder) { return new Short512Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Short512Shuffle shuffleFromArray(int[] indexes, int i) { return new Short512Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Short512Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Short512Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Short512Vector vectorFactory(short[] vec) {
171         return new Short512Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte512Vector asByteVectorRaw() {
177         return (Byte512Vector) 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     Short512Vector uOp(FUnOp f) {
191         return (Short512Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Short512Vector uOp(VectorMask<Short> m, FUnOp f) {
197         return (Short512Vector)
198             super.uOpTemplate((Short512Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Short512Vector bOp(Vector<Short> v, FBinOp f) {
206         return (Short512Vector) super.bOpTemplate((Short512Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Short512Vector bOp(Vector<Short> v,
212                      VectorMask<Short> m, FBinOp f) {
213         return (Short512Vector)
214             super.bOpTemplate((Short512Vector)v, (Short512Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Short512Vector tOp(Vector<Short> v1, Vector<Short> v2, FTriOp f) {
223         return (Short512Vector)
224             super.tOpTemplate((Short512Vector)v1, (Short512Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Short512Vector tOp(Vector<Short> v1, Vector<Short> v2,
231                      VectorMask<Short> m, FTriOp f) {
232         return (Short512Vector)
233             super.tOpTemplate((Short512Vector)v1, (Short512Vector)v2,
234                               (Short512Mask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     short rOp(short v, VectorMask<Short> 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<Short,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 Short512Vector lanewise(Unary op) {
273         return (Short512Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Short512Vector lanewise(Unary op, VectorMask<Short> m) {
279         return (Short512Vector) super.lanewiseTemplate(op, Short512Mask.class, (Short512Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Short512Vector lanewise(Binary op, Vector<Short> v) {
285         return (Short512Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Short512Vector lanewise(Binary op, Vector<Short> v, VectorMask<Short> m) {
291         return (Short512Vector) super.lanewiseTemplate(op, Short512Mask.class, v, (Short512Mask) m);  // specialize
292     }
293 
294     /*package-private*/
295     @Override
296     @ForceInline Short512Vector
297     lanewiseShift(VectorOperators.Binary op, int e) {
298         return (Short512Vector) super.lanewiseShiftTemplate(op, e);  // specialize
299     }
300 
301     /*package-private*/
302     @Override
303     @ForceInline Short512Vector
304     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Short> m) {
305         return (Short512Vector) super.lanewiseShiftTemplate(op, Short512Mask.class, e, (Short512Mask) m);  // specialize
306     }
307 
308     /*package-private*/
309     @Override
310     @ForceInline
311     public final
312     Short512Vector
313     lanewise(Ternary op, Vector<Short> v1, Vector<Short> v2) {
314         return (Short512Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
315     }
316 
317     @Override
318     @ForceInline
319     public final
320     Short512Vector
321     lanewise(Ternary op, Vector<Short> v1, Vector<Short> v2, VectorMask<Short> m) {
322         return (Short512Vector) super.lanewiseTemplate(op, Short512Mask.class, v1, v2, (Short512Mask) m);  // specialize
323     }
324 
325     @Override
326     @ForceInline
327     public final
328     Short512Vector addIndex(int scale) {
329         return (Short512Vector) super.addIndexTemplate(scale);  // specialize
330     }
331 
332     // Type specific horizontal reductions
333 
334     @Override
335     @ForceInline
336     public final short reduceLanes(VectorOperators.Associative op) {
337         return super.reduceLanesTemplate(op);  // specialized
338     }
339 
340     @Override
341     @ForceInline
342     public final short reduceLanes(VectorOperators.Associative op,
343                                     VectorMask<Short> m) {
344         return super.reduceLanesTemplate(op, Short512Mask.class, (Short512Mask) 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<Short> m) {
357         return (long) super.reduceLanesTemplate(op, Short512Mask.class, (Short512Mask) m);  // specialized
358     }
359 
360     @ForceInline
361     public VectorShuffle<Short> toShuffle() {
362         return super.toShuffleTemplate(Short512Shuffle.class); // specialize
363     }
364 
365     // Specialized unary testing
366 
367     @Override
368     @ForceInline
369     public final Short512Mask test(Test op) {
370         return super.testTemplate(Short512Mask.class, op);  // specialize
371     }
372 
373     // Specialized comparisons
374 
375     @Override
376     @ForceInline
377     public final Short512Mask compare(Comparison op, Vector<Short> v) {
378         return super.compareTemplate(Short512Mask.class, op, v);  // specialize
379     }
380 
381     @Override
382     @ForceInline
383     public final Short512Mask compare(Comparison op, short s) {
384         return super.compareTemplate(Short512Mask.class, op, s);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public final Short512Mask compare(Comparison op, long s) {
390         return super.compareTemplate(Short512Mask.class, op, s);  // specialize
391     }
392 
393     @Override
394     @ForceInline
395     public final Short512Mask compare(Comparison op, Vector<Short> v, VectorMask<Short> m) {
396         return super.compareTemplate(Short512Mask.class, op, v, (Short512Mask) m);
397     }
398 
399 
400     @Override
401     @ForceInline
402     public Short512Vector blend(Vector<Short> v, VectorMask<Short> m) {
403         return (Short512Vector)
404             super.blendTemplate(Short512Mask.class,
405                                 (Short512Vector) v,
406                                 (Short512Mask) m);  // specialize
407     }
408 
409     @Override
410     @ForceInline
411     public Short512Vector slice(int origin, Vector<Short> v) {
412         return (Short512Vector) super.sliceTemplate(origin, v);  // specialize
413     }
414 
415     @Override
416     @ForceInline
417     public Short512Vector slice(int origin) {
418         return (Short512Vector) super.sliceTemplate(origin);  // specialize
419     }
420 
421     @Override
422     @ForceInline
423     public Short512Vector unslice(int origin, Vector<Short> w, int part) {
424         return (Short512Vector) super.unsliceTemplate(origin, w, part);  // specialize
425     }
426 
427     @Override
428     @ForceInline
429     public Short512Vector unslice(int origin, Vector<Short> w, int part, VectorMask<Short> m) {
430         return (Short512Vector)
431             super.unsliceTemplate(Short512Mask.class,
432                                   origin, w, part,
433                                   (Short512Mask) m);  // specialize
434     }
435 
436     @Override
437     @ForceInline
438     public Short512Vector unslice(int origin) {
439         return (Short512Vector) super.unsliceTemplate(origin);  // specialize
440     }
441 
442     @Override
443     @ForceInline
444     public Short512Vector rearrange(VectorShuffle<Short> s) {
445         return (Short512Vector)
446             super.rearrangeTemplate(Short512Shuffle.class,
447                                     (Short512Shuffle) s);  // specialize
448     }
449 
450     @Override
451     @ForceInline
452     public Short512Vector rearrange(VectorShuffle<Short> shuffle,
453                                   VectorMask<Short> m) {
454         return (Short512Vector)
455             super.rearrangeTemplate(Short512Shuffle.class,
456                                     Short512Mask.class,
457                                     (Short512Shuffle) shuffle,
458                                     (Short512Mask) m);  // specialize
459     }
460 
461     @Override
462     @ForceInline
463     public Short512Vector rearrange(VectorShuffle<Short> s,
464                                   Vector<Short> v) {
465         return (Short512Vector)
466             super.rearrangeTemplate(Short512Shuffle.class,
467                                     (Short512Shuffle) s,
468                                     (Short512Vector) v);  // specialize
469     }
470 
471     @Override
472     @ForceInline
473     public Short512Vector selectFrom(Vector<Short> v) {
474         return (Short512Vector)
475             super.selectFromTemplate((Short512Vector) v);  // specialize
476     }
477 
478     @Override
479     @ForceInline
480     public Short512Vector selectFrom(Vector<Short> v,
481                                    VectorMask<Short> m) {
482         return (Short512Vector)
483             super.selectFromTemplate((Short512Vector) v,
484                                      (Short512Mask) m);  // specialize
485     }
486 
487 
488     @ForceInline
489     @Override
490     public short lane(int i) {
491         switch(i) {
492             case 0: return laneHelper(0);
493             case 1: return laneHelper(1);
494             case 2: return laneHelper(2);
495             case 3: return laneHelper(3);
496             case 4: return laneHelper(4);
497             case 5: return laneHelper(5);
498             case 6: return laneHelper(6);
499             case 7: return laneHelper(7);
500             case 8: return laneHelper(8);
501             case 9: return laneHelper(9);
502             case 10: return laneHelper(10);
503             case 11: return laneHelper(11);
504             case 12: return laneHelper(12);
505             case 13: return laneHelper(13);
506             case 14: return laneHelper(14);
507             case 15: return laneHelper(15);
508             case 16: return laneHelper(16);
509             case 17: return laneHelper(17);
510             case 18: return laneHelper(18);
511             case 19: return laneHelper(19);
512             case 20: return laneHelper(20);
513             case 21: return laneHelper(21);
514             case 22: return laneHelper(22);
515             case 23: return laneHelper(23);
516             case 24: return laneHelper(24);
517             case 25: return laneHelper(25);
518             case 26: return laneHelper(26);
519             case 27: return laneHelper(27);
520             case 28: return laneHelper(28);
521             case 29: return laneHelper(29);
522             case 30: return laneHelper(30);
523             case 31: return laneHelper(31);
524             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
525         }
526     }
527 
528     public short laneHelper(int i) {
529         return (short) VectorSupport.extract(
530                                 VCLASS, ETYPE, VLENGTH,
531                                 this, i,
532                                 (vec, ix) -> {
533                                     short[] vecarr = vec.vec();
534                                     return (long)vecarr[ix];
535                                 });
536     }
537 
538     @ForceInline
539     @Override
540     public Short512Vector withLane(int i, short e) {
541         switch (i) {
542             case 0: return withLaneHelper(0, e);
543             case 1: return withLaneHelper(1, e);
544             case 2: return withLaneHelper(2, e);
545             case 3: return withLaneHelper(3, e);
546             case 4: return withLaneHelper(4, e);
547             case 5: return withLaneHelper(5, e);
548             case 6: return withLaneHelper(6, e);
549             case 7: return withLaneHelper(7, e);
550             case 8: return withLaneHelper(8, e);
551             case 9: return withLaneHelper(9, e);
552             case 10: return withLaneHelper(10, e);
553             case 11: return withLaneHelper(11, e);
554             case 12: return withLaneHelper(12, e);
555             case 13: return withLaneHelper(13, e);
556             case 14: return withLaneHelper(14, e);
557             case 15: return withLaneHelper(15, e);
558             case 16: return withLaneHelper(16, e);
559             case 17: return withLaneHelper(17, e);
560             case 18: return withLaneHelper(18, e);
561             case 19: return withLaneHelper(19, e);
562             case 20: return withLaneHelper(20, e);
563             case 21: return withLaneHelper(21, e);
564             case 22: return withLaneHelper(22, e);
565             case 23: return withLaneHelper(23, e);
566             case 24: return withLaneHelper(24, e);
567             case 25: return withLaneHelper(25, e);
568             case 26: return withLaneHelper(26, e);
569             case 27: return withLaneHelper(27, e);
570             case 28: return withLaneHelper(28, e);
571             case 29: return withLaneHelper(29, e);
572             case 30: return withLaneHelper(30, e);
573             case 31: return withLaneHelper(31, e);
574             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
575         }
576     }
577 
578     public Short512Vector withLaneHelper(int i, short e) {
579         return VectorSupport.insert(
580                                 VCLASS, ETYPE, VLENGTH,
581                                 this, i, (long)e,
582                                 (v, ix, bits) -> {
583                                     short[] res = v.vec().clone();
584                                     res[ix] = (short)bits;
585                                     return v.vectorFactory(res);
586                                 });
587     }
588 
589     // Mask
590 
591     static final class Short512Mask extends AbstractMask<Short> {
592         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
593         static final Class<Short> ETYPE = short.class; // used by the JVM
594 
595         Short512Mask(boolean[] bits) {
596             this(bits, 0);
597         }
598 
599         Short512Mask(boolean[] bits, int offset) {
600             super(prepare(bits, offset));
601         }
602 
603         Short512Mask(boolean val) {
604             super(prepare(val));
605         }
606 
607         private static boolean[] prepare(boolean[] bits, int offset) {
608             boolean[] newBits = new boolean[VSPECIES.laneCount()];
609             for (int i = 0; i < newBits.length; i++) {
610                 newBits[i] = bits[offset + i];
611             }
612             return newBits;
613         }
614 
615         private static boolean[] prepare(boolean val) {
616             boolean[] bits = new boolean[VSPECIES.laneCount()];
617             Arrays.fill(bits, val);
618             return bits;
619         }
620 
621         @ForceInline
622         final @Override
623         public ShortSpecies vspecies() {
624             // ISSUE:  This should probably be a @Stable
625             // field inside AbstractMask, rather than
626             // a megamorphic method.
627             return VSPECIES;
628         }
629 
630         @ForceInline
631         boolean[] getBits() {
632             return (boolean[])getPayload();
633         }
634 
635         @Override
636         Short512Mask uOp(MUnOp f) {
637             boolean[] res = new boolean[vspecies().laneCount()];
638             boolean[] bits = getBits();
639             for (int i = 0; i < res.length; i++) {
640                 res[i] = f.apply(i, bits[i]);
641             }
642             return new Short512Mask(res);
643         }
644 
645         @Override
646         Short512Mask bOp(VectorMask<Short> m, MBinOp f) {
647             boolean[] res = new boolean[vspecies().laneCount()];
648             boolean[] bits = getBits();
649             boolean[] mbits = ((Short512Mask)m).getBits();
650             for (int i = 0; i < res.length; i++) {
651                 res[i] = f.apply(i, bits[i], mbits[i]);
652             }
653             return new Short512Mask(res);
654         }
655 
656         @ForceInline
657         @Override
658         public final
659         Short512Vector toVector() {
660             return (Short512Vector) super.toVectorTemplate();  // specialize
661         }
662 
663         /**
664          * Helper function for lane-wise mask conversions.
665          * This function kicks in after intrinsic failure.
666          */
667         @ForceInline
668         private final <E>
669         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
670             if (length() != dsp.laneCount())
671                 throw new IllegalArgumentException("VectorMask length and species length differ");
672             boolean[] maskArray = toArray();
673             return  dsp.maskFactory(maskArray).check(dsp);
674         }
675 
676         @Override
677         @ForceInline
678         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
679             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
680             if (length() != species.laneCount())
681                 throw new IllegalArgumentException("VectorMask length and species length differ");
682 
683             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
684                 this.getClass(), ETYPE, VLENGTH,
685                 species.maskType(), species.elementType(), VLENGTH,
686                 this, species,
687                 (m, s) -> s.maskFactory(m.toArray()).check(s));
688         }
689 
690         @Override
691         @ForceInline
692         public Short512Mask eq(VectorMask<Short> mask) {
693             Objects.requireNonNull(mask);
694             Short512Mask m = (Short512Mask)mask;
695             return xor(m.not());
696         }
697 
698         // Unary operations
699 
700         @Override
701         @ForceInline
702         public Short512Mask not() {
703             return xor(maskAll(true));
704         }
705 
706         // Binary operations
707 
708         @Override
709         @ForceInline
710         public Short512Mask and(VectorMask<Short> mask) {
711             Objects.requireNonNull(mask);
712             Short512Mask m = (Short512Mask)mask;
713             return VectorSupport.binaryOp(VECTOR_OP_AND, Short512Mask.class, null, short.class, VLENGTH,
714                                           this, m, null,
715                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
716         }
717 
718         @Override
719         @ForceInline
720         public Short512Mask or(VectorMask<Short> mask) {
721             Objects.requireNonNull(mask);
722             Short512Mask m = (Short512Mask)mask;
723             return VectorSupport.binaryOp(VECTOR_OP_OR, Short512Mask.class, null, short.class, VLENGTH,
724                                           this, m, null,
725                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
726         }
727 
728         @ForceInline
729         /* package-private */
730         Short512Mask xor(VectorMask<Short> mask) {
731             Objects.requireNonNull(mask);
732             Short512Mask m = (Short512Mask)mask;
733             return VectorSupport.binaryOp(VECTOR_OP_XOR, Short512Mask.class, null, short.class, VLENGTH,
734                                           this, m, null,
735                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
736         }
737 
738         // Mask Query operations
739 
740         @Override
741         @ForceInline
742         public int trueCount() {
743             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Short512Mask.class, short.class, VLENGTH, this,
744                                                       (m) -> trueCountHelper(m.getBits()));
745         }
746 
747         @Override
748         @ForceInline
749         public int firstTrue() {
750             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Short512Mask.class, short.class, VLENGTH, this,
751                                                       (m) -> firstTrueHelper(m.getBits()));
752         }
753 
754         @Override
755         @ForceInline
756         public int lastTrue() {
757             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Short512Mask.class, short.class, VLENGTH, this,
758                                                       (m) -> lastTrueHelper(m.getBits()));
759         }
760 
761         @Override
762         @ForceInline
763         public long toLong() {
764             if (length() > Long.SIZE) {
765                 throw new UnsupportedOperationException("too many lanes for one long");
766             }
767             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Short512Mask.class, short.class, VLENGTH, this,
768                                                       (m) -> toLongHelper(m.getBits()));
769         }
770 
771         // Reductions
772 
773         @Override
774         @ForceInline
775         public boolean anyTrue() {
776             return VectorSupport.test(BT_ne, Short512Mask.class, short.class, VLENGTH,
777                                          this, vspecies().maskAll(true),
778                                          (m, __) -> anyTrueHelper(((Short512Mask)m).getBits()));
779         }
780 
781         @Override
782         @ForceInline
783         public boolean allTrue() {
784             return VectorSupport.test(BT_overflow, Short512Mask.class, short.class, VLENGTH,
785                                          this, vspecies().maskAll(true),
786                                          (m, __) -> allTrueHelper(((Short512Mask)m).getBits()));
787         }
788 
789         @ForceInline
790         /*package-private*/
791         static Short512Mask maskAll(boolean bit) {
792             return VectorSupport.broadcastCoerced(Short512Mask.class, short.class, VLENGTH,
793                                                   (bit ? -1 : 0), null,
794                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
795         }
796         private static final Short512Mask  TRUE_MASK = new Short512Mask(true);
797         private static final Short512Mask FALSE_MASK = new Short512Mask(false);
798 
799     }
800 
801     // Shuffle
802 
803     static final class Short512Shuffle extends AbstractShuffle<Short> {
804         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
805         static final Class<Short> ETYPE = short.class; // used by the JVM
806 
807         Short512Shuffle(byte[] reorder) {
808             super(VLENGTH, reorder);
809         }
810 
811         public Short512Shuffle(int[] reorder) {
812             super(VLENGTH, reorder);
813         }
814 
815         public Short512Shuffle(int[] reorder, int i) {
816             super(VLENGTH, reorder, i);
817         }
818 
819         public Short512Shuffle(IntUnaryOperator fn) {
820             super(VLENGTH, fn);
821         }
822 
823         @Override
824         public ShortSpecies vspecies() {
825             return VSPECIES;
826         }
827 
828         static {
829             // There must be enough bits in the shuffle lanes to encode
830             // VLENGTH valid indexes and VLENGTH exceptional ones.
831             assert(VLENGTH < Byte.MAX_VALUE);
832             assert(Byte.MIN_VALUE <= -VLENGTH);
833         }
834         static final Short512Shuffle IOTA = new Short512Shuffle(IDENTITY);
835 
836         @Override
837         @ForceInline
838         public Short512Vector toVector() {
839             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Short512Shuffle.class, this, VLENGTH,
840                                                     (s) -> ((Short512Vector)(((AbstractShuffle<Short>)(s)).toVectorTemplate())));
841         }
842 
843         @Override
844         @ForceInline
845         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
846             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
847             if (length() != species.laneCount())
848                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
849             int[] shuffleArray = toArray();
850             return s.shuffleFromArray(shuffleArray, 0).check(s);
851         }
852 
853         @ForceInline
854         @Override
855         public Short512Shuffle rearrange(VectorShuffle<Short> shuffle) {
856             Short512Shuffle s = (Short512Shuffle) shuffle;
857             byte[] reorder1 = reorder();
858             byte[] reorder2 = s.reorder();
859             byte[] r = new byte[reorder1.length];
860             for (int i = 0; i < reorder1.length; i++) {
861                 int ssi = reorder2[i];
862                 r[i] = reorder1[ssi];  // throws on exceptional index
863             }
864             return new Short512Shuffle(r);
865         }
866     }
867 
868     // ================================================
869 
870     // Specialized low-level memory operations.
871 
872     @ForceInline
873     @Override
874     final
875     ShortVector fromArray0(short[] a, int offset) {
876         return super.fromArray0Template(a, offset);  // specialize
877     }
878 
879     @ForceInline
880     @Override
881     final
882     ShortVector fromArray0(short[] a, int offset, VectorMask<Short> m) {
883         return super.fromArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);  // specialize
884     }
885 
886 
887     @ForceInline
888     @Override
889     final
890     ShortVector fromCharArray0(char[] a, int offset) {
891         return super.fromCharArray0Template(a, offset);  // specialize
892     }
893 
894     @ForceInline
895     @Override
896     final
897     ShortVector fromCharArray0(char[] a, int offset, VectorMask<Short> m) {
898         return super.fromCharArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);  // specialize
899     }
900 
901 
902     @ForceInline
903     @Override
904     final
905     ShortVector fromByteArray0(byte[] a, int offset) {
906         return super.fromByteArray0Template(a, offset);  // specialize
907     }
908 
909     @ForceInline
910     @Override
911     final
912     ShortVector fromByteArray0(byte[] a, int offset, VectorMask<Short> m) {
913         return super.fromByteArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);  // specialize
914     }
915 
916     @ForceInline
917     @Override
918     final
919     ShortVector fromByteBuffer0(ByteBuffer bb, int offset) {
920         return super.fromByteBuffer0Template(bb, offset);  // specialize
921     }
922 
923     @ForceInline
924     @Override
925     final
926     ShortVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Short> m) {
927         return super.fromByteBuffer0Template(Short512Mask.class, bb, offset, (Short512Mask) m);  // specialize
928     }
929 
930     @ForceInline
931     @Override
932     final
933     void intoArray0(short[] a, int offset) {
934         super.intoArray0Template(a, offset);  // specialize
935     }
936 
937     @ForceInline
938     @Override
939     final
940     void intoArray0(short[] a, int offset, VectorMask<Short> m) {
941         super.intoArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);
942     }
943 
944 
945 
946     @ForceInline
947     @Override
948     final
949     void intoByteArray0(byte[] a, int offset) {
950         super.intoByteArray0Template(a, offset);  // specialize
951     }
952 
953     @ForceInline
954     @Override
955     final
956     void intoByteArray0(byte[] a, int offset, VectorMask<Short> m) {
957         super.intoByteArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);  // specialize
958     }
959 
960     @ForceInline
961     @Override
962     final
963     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Short> m) {
964         super.intoByteBuffer0Template(Short512Mask.class, bb, offset, (Short512Mask) m);
965     }
966 
967     @ForceInline
968     @Override
969     final
970     void intoCharArray0(char[] a, int offset, VectorMask<Short> m) {
971         super.intoCharArray0Template(Short512Mask.class, a, offset, (Short512Mask) m);
972     }
973 
974     // End of specialized low-level memory operations.
975 
976     // ================================================
977 
978 }