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 Short256Vector extends ShortVector {
 43     static final ShortSpecies VSPECIES =
 44         (ShortSpecies) ShortVector.SPECIES_256;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Short256Vector> VCLASS = Short256Vector.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     Short256Vector(short[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Short256Vector::new,
 62     // stored into species.vectorFactory.
 63     Short256Vector(Object v) {
 64         this((short[]) v);
 65     }
 66 
 67     static final Short256Vector ZERO = new Short256Vector(new short[VLENGTH]);
 68     static final Short256Vector IOTA = new Short256Vector(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 Short256Vector broadcast(short e) {
125         return (Short256Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Short256Vector broadcast(long e) {
131         return (Short256Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Short256Mask maskFromArray(boolean[] bits) {
137         return new Short256Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Short256Shuffle iotaShuffle() { return Short256Shuffle.IOTA; }
143 
144     @ForceInline
145     Short256Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Short256Shuffle)VectorSupport.shuffleIota(ETYPE, Short256Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Short256Shuffle)VectorSupport.shuffleIota(ETYPE, Short256Shuffle.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     Short256Shuffle shuffleFromBytes(byte[] reorder) { return new Short256Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Short256Shuffle shuffleFromArray(int[] indexes, int i) { return new Short256Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Short256Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Short256Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Short256Vector vectorFactory(short[] vec) {
171         return new Short256Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte256Vector asByteVectorRaw() {
177         return (Byte256Vector) 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     Short256Vector uOp(FUnOp f) {
191         return (Short256Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Short256Vector uOp(VectorMask<Short> m, FUnOp f) {
197         return (Short256Vector)
198             super.uOpTemplate((Short256Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Short256Vector bOp(Vector<Short> v, FBinOp f) {
206         return (Short256Vector) super.bOpTemplate((Short256Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Short256Vector bOp(Vector<Short> v,
212                      VectorMask<Short> m, FBinOp f) {
213         return (Short256Vector)
214             super.bOpTemplate((Short256Vector)v, (Short256Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Short256Vector tOp(Vector<Short> v1, Vector<Short> v2, FTriOp f) {
223         return (Short256Vector)
224             super.tOpTemplate((Short256Vector)v1, (Short256Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Short256Vector tOp(Vector<Short> v1, Vector<Short> v2,
231                      VectorMask<Short> m, FTriOp f) {
232         return (Short256Vector)
233             super.tOpTemplate((Short256Vector)v1, (Short256Vector)v2,
234                               (Short256Mask)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 Short256Vector lanewise(Unary op) {
273         return (Short256Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Short256Vector lanewise(Unary op, VectorMask<Short> m) {
279         return (Short256Vector) super.lanewiseTemplate(op, Short256Mask.class, (Short256Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Short256Vector lanewise(Binary op, Vector<Short> v) {
285         return (Short256Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Short256Vector lanewise(Binary op, Vector<Short> v, VectorMask<Short> m) {
291         return (Short256Vector) super.lanewiseTemplate(op, Short256Mask.class, v, (Short256Mask) m);  // specialize
292     }
293 
294     /*package-private*/
295     @Override
296     @ForceInline Short256Vector
297     lanewiseShift(VectorOperators.Binary op, int e) {
298         return (Short256Vector) super.lanewiseShiftTemplate(op, e);  // specialize
299     }
300 
301     /*package-private*/
302     @Override
303     @ForceInline Short256Vector
304     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Short> m) {
305         return (Short256Vector) super.lanewiseShiftTemplate(op, Short256Mask.class, e, (Short256Mask) m);  // specialize
306     }
307 
308     /*package-private*/
309     @Override
310     @ForceInline
311     public final
312     Short256Vector
313     lanewise(Ternary op, Vector<Short> v1, Vector<Short> v2) {
314         return (Short256Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
315     }
316 
317     @Override
318     @ForceInline
319     public final
320     Short256Vector
321     lanewise(Ternary op, Vector<Short> v1, Vector<Short> v2, VectorMask<Short> m) {
322         return (Short256Vector) super.lanewiseTemplate(op, Short256Mask.class, v1, v2, (Short256Mask) m);  // specialize
323     }
324 
325     @Override
326     @ForceInline
327     public final
328     Short256Vector addIndex(int scale) {
329         return (Short256Vector) 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, Short256Mask.class, (Short256Mask) 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, Short256Mask.class, (Short256Mask) m);  // specialized
358     }
359 
360     @ForceInline
361     public VectorShuffle<Short> toShuffle() {
362         return super.toShuffleTemplate(Short256Shuffle.class); // specialize
363     }
364 
365     // Specialized unary testing
366 
367     @Override
368     @ForceInline
369     public final Short256Mask test(Test op) {
370         return super.testTemplate(Short256Mask.class, op);  // specialize
371     }
372 
373     // Specialized comparisons
374 
375     @Override
376     @ForceInline
377     public final Short256Mask compare(Comparison op, Vector<Short> v) {
378         return super.compareTemplate(Short256Mask.class, op, v);  // specialize
379     }
380 
381     @Override
382     @ForceInline
383     public final Short256Mask compare(Comparison op, short s) {
384         return super.compareTemplate(Short256Mask.class, op, s);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public final Short256Mask compare(Comparison op, long s) {
390         return super.compareTemplate(Short256Mask.class, op, s);  // specialize
391     }
392 
393     @Override
394     @ForceInline
395     public final Short256Mask compare(Comparison op, Vector<Short> v, VectorMask<Short> m) {
396         return super.compareTemplate(Short256Mask.class, op, v, (Short256Mask) m);
397     }
398 
399 
400     @Override
401     @ForceInline
402     public Short256Vector blend(Vector<Short> v, VectorMask<Short> m) {
403         return (Short256Vector)
404             super.blendTemplate(Short256Mask.class,
405                                 (Short256Vector) v,
406                                 (Short256Mask) m);  // specialize
407     }
408 
409     @Override
410     @ForceInline
411     public Short256Vector slice(int origin, Vector<Short> v) {
412         return (Short256Vector) super.sliceTemplate(origin, v);  // specialize
413     }
414 
415     @Override
416     @ForceInline
417     public Short256Vector slice(int origin) {
418         return (Short256Vector) super.sliceTemplate(origin);  // specialize
419     }
420 
421     @Override
422     @ForceInline
423     public Short256Vector unslice(int origin, Vector<Short> w, int part) {
424         return (Short256Vector) super.unsliceTemplate(origin, w, part);  // specialize
425     }
426 
427     @Override
428     @ForceInline
429     public Short256Vector unslice(int origin, Vector<Short> w, int part, VectorMask<Short> m) {
430         return (Short256Vector)
431             super.unsliceTemplate(Short256Mask.class,
432                                   origin, w, part,
433                                   (Short256Mask) m);  // specialize
434     }
435 
436     @Override
437     @ForceInline
438     public Short256Vector unslice(int origin) {
439         return (Short256Vector) super.unsliceTemplate(origin);  // specialize
440     }
441 
442     @Override
443     @ForceInline
444     public Short256Vector rearrange(VectorShuffle<Short> s) {
445         return (Short256Vector)
446             super.rearrangeTemplate(Short256Shuffle.class,
447                                     (Short256Shuffle) s);  // specialize
448     }
449 
450     @Override
451     @ForceInline
452     public Short256Vector rearrange(VectorShuffle<Short> shuffle,
453                                   VectorMask<Short> m) {
454         return (Short256Vector)
455             super.rearrangeTemplate(Short256Shuffle.class,
456                                     Short256Mask.class,
457                                     (Short256Shuffle) shuffle,
458                                     (Short256Mask) m);  // specialize
459     }
460 
461     @Override
462     @ForceInline
463     public Short256Vector rearrange(VectorShuffle<Short> s,
464                                   Vector<Short> v) {
465         return (Short256Vector)
466             super.rearrangeTemplate(Short256Shuffle.class,
467                                     (Short256Shuffle) s,
468                                     (Short256Vector) v);  // specialize
469     }
470 
471     @Override
472     @ForceInline
473     public Short256Vector compress(VectorMask<Short> m) {
474         return (Short256Vector)
475             super.compressTemplate(Short256Mask.class,
476                                    (Short256Mask) m);  // specialize
477     }
478 
479     @Override
480     @ForceInline
481     public Short256Vector expand(VectorMask<Short> m) {
482         return (Short256Vector)
483             super.expandTemplate(Short256Mask.class,
484                                    (Short256Mask) m);  // specialize
485     }
486 
487     @Override
488     @ForceInline
489     public Short256Vector selectFrom(Vector<Short> v) {
490         return (Short256Vector)
491             super.selectFromTemplate((Short256Vector) v);  // specialize
492     }
493 
494     @Override
495     @ForceInline
496     public Short256Vector selectFrom(Vector<Short> v,
497                                    VectorMask<Short> m) {
498         return (Short256Vector)
499             super.selectFromTemplate((Short256Vector) v,
500                                      (Short256Mask) m);  // specialize
501     }
502 
503 
504     @ForceInline
505     @Override
506     public short lane(int i) {
507         switch(i) {
508             case 0: return laneHelper(0);
509             case 1: return laneHelper(1);
510             case 2: return laneHelper(2);
511             case 3: return laneHelper(3);
512             case 4: return laneHelper(4);
513             case 5: return laneHelper(5);
514             case 6: return laneHelper(6);
515             case 7: return laneHelper(7);
516             case 8: return laneHelper(8);
517             case 9: return laneHelper(9);
518             case 10: return laneHelper(10);
519             case 11: return laneHelper(11);
520             case 12: return laneHelper(12);
521             case 13: return laneHelper(13);
522             case 14: return laneHelper(14);
523             case 15: return laneHelper(15);
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 Short256Vector 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             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
559         }
560     }
561 
562     public Short256Vector withLaneHelper(int i, short e) {
563         return VectorSupport.insert(
564                                 VCLASS, ETYPE, VLENGTH,
565                                 this, i, (long)e,
566                                 (v, ix, bits) -> {
567                                     short[] res = v.vec().clone();
568                                     res[ix] = (short)bits;
569                                     return v.vectorFactory(res);
570                                 });
571     }
572 
573     // Mask
574 
575     static final class Short256Mask extends AbstractMask<Short> {
576         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
577         static final Class<Short> ETYPE = short.class; // used by the JVM
578 
579         Short256Mask(boolean[] bits) {
580             this(bits, 0);
581         }
582 
583         Short256Mask(boolean[] bits, int offset) {
584             super(prepare(bits, offset));
585         }
586 
587         Short256Mask(boolean val) {
588             super(prepare(val));
589         }
590 
591         private static boolean[] prepare(boolean[] bits, int offset) {
592             boolean[] newBits = new boolean[VSPECIES.laneCount()];
593             for (int i = 0; i < newBits.length; i++) {
594                 newBits[i] = bits[offset + i];
595             }
596             return newBits;
597         }
598 
599         private static boolean[] prepare(boolean val) {
600             boolean[] bits = new boolean[VSPECIES.laneCount()];
601             Arrays.fill(bits, val);
602             return bits;
603         }
604 
605         @ForceInline
606         final @Override
607         public ShortSpecies vspecies() {
608             // ISSUE:  This should probably be a @Stable
609             // field inside AbstractMask, rather than
610             // a megamorphic method.
611             return VSPECIES;
612         }
613 
614         @ForceInline
615         boolean[] getBits() {
616             return (boolean[])getPayload();
617         }
618 
619         @Override
620         Short256Mask uOp(MUnOp f) {
621             boolean[] res = new boolean[vspecies().laneCount()];
622             boolean[] bits = getBits();
623             for (int i = 0; i < res.length; i++) {
624                 res[i] = f.apply(i, bits[i]);
625             }
626             return new Short256Mask(res);
627         }
628 
629         @Override
630         Short256Mask bOp(VectorMask<Short> m, MBinOp f) {
631             boolean[] res = new boolean[vspecies().laneCount()];
632             boolean[] bits = getBits();
633             boolean[] mbits = ((Short256Mask)m).getBits();
634             for (int i = 0; i < res.length; i++) {
635                 res[i] = f.apply(i, bits[i], mbits[i]);
636             }
637             return new Short256Mask(res);
638         }
639 
640         @ForceInline
641         @Override
642         public final
643         Short256Vector toVector() {
644             return (Short256Vector) super.toVectorTemplate();  // specialize
645         }
646 
647         /**
648          * Helper function for lane-wise mask conversions.
649          * This function kicks in after intrinsic failure.
650          */
651         @ForceInline
652         private final <E>
653         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
654             if (length() != dsp.laneCount())
655                 throw new IllegalArgumentException("VectorMask length and species length differ");
656             boolean[] maskArray = toArray();
657             return  dsp.maskFactory(maskArray).check(dsp);
658         }
659 
660         @Override
661         @ForceInline
662         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
663             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
664             if (length() != species.laneCount())
665                 throw new IllegalArgumentException("VectorMask length and species length differ");
666 
667             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
668                 this.getClass(), ETYPE, VLENGTH,
669                 species.maskType(), species.elementType(), VLENGTH,
670                 this, species,
671                 (m, s) -> s.maskFactory(m.toArray()).check(s));
672         }
673 
674         @Override
675         @ForceInline
676         public Short256Mask eq(VectorMask<Short> mask) {
677             Objects.requireNonNull(mask);
678             Short256Mask m = (Short256Mask)mask;
679             return xor(m.not());
680         }
681 
682         // Unary operations
683 
684         @Override
685         @ForceInline
686         public Short256Mask not() {
687             return xor(maskAll(true));
688         }
689 
690         @Override
691         @ForceInline
692         public Short256Mask compress() {
693             return (Short256Mask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
694                 Short256Vector.class, Short256Mask.class, ETYPE, VLENGTH, null, this,
695                 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
696         }
697 
698 
699         // Binary operations
700 
701         @Override
702         @ForceInline
703         public Short256Mask and(VectorMask<Short> mask) {
704             Objects.requireNonNull(mask);
705             Short256Mask m = (Short256Mask)mask;
706             return VectorSupport.binaryOp(VECTOR_OP_AND, Short256Mask.class, null, short.class, VLENGTH,
707                                           this, m, null,
708                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
709         }
710 
711         @Override
712         @ForceInline
713         public Short256Mask or(VectorMask<Short> mask) {
714             Objects.requireNonNull(mask);
715             Short256Mask m = (Short256Mask)mask;
716             return VectorSupport.binaryOp(VECTOR_OP_OR, Short256Mask.class, null, short.class, VLENGTH,
717                                           this, m, null,
718                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
719         }
720 
721         @ForceInline
722         /* package-private */
723         Short256Mask xor(VectorMask<Short> mask) {
724             Objects.requireNonNull(mask);
725             Short256Mask m = (Short256Mask)mask;
726             return VectorSupport.binaryOp(VECTOR_OP_XOR, Short256Mask.class, null, short.class, VLENGTH,
727                                           this, m, null,
728                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
729         }
730 
731         // Mask Query operations
732 
733         @Override
734         @ForceInline
735         public int trueCount() {
736             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Short256Mask.class, short.class, VLENGTH, this,
737                                                       (m) -> trueCountHelper(m.getBits()));
738         }
739 
740         @Override
741         @ForceInline
742         public int firstTrue() {
743             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Short256Mask.class, short.class, VLENGTH, this,
744                                                       (m) -> firstTrueHelper(m.getBits()));
745         }
746 
747         @Override
748         @ForceInline
749         public int lastTrue() {
750             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Short256Mask.class, short.class, VLENGTH, this,
751                                                       (m) -> lastTrueHelper(m.getBits()));
752         }
753 
754         @Override
755         @ForceInline
756         public long toLong() {
757             if (length() > Long.SIZE) {
758                 throw new UnsupportedOperationException("too many lanes for one long");
759             }
760             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Short256Mask.class, short.class, VLENGTH, this,
761                                                       (m) -> toLongHelper(m.getBits()));
762         }
763 
764         // Reductions
765 
766         @Override
767         @ForceInline
768         public boolean anyTrue() {
769             return VectorSupport.test(BT_ne, Short256Mask.class, short.class, VLENGTH,
770                                          this, vspecies().maskAll(true),
771                                          (m, __) -> anyTrueHelper(((Short256Mask)m).getBits()));
772         }
773 
774         @Override
775         @ForceInline
776         public boolean allTrue() {
777             return VectorSupport.test(BT_overflow, Short256Mask.class, short.class, VLENGTH,
778                                          this, vspecies().maskAll(true),
779                                          (m, __) -> allTrueHelper(((Short256Mask)m).getBits()));
780         }
781 
782         @ForceInline
783         /*package-private*/
784         static Short256Mask maskAll(boolean bit) {
785             return VectorSupport.broadcastCoerced(Short256Mask.class, short.class, VLENGTH,
786                                                   (bit ? -1 : 0), null,
787                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
788         }
789         private static final Short256Mask  TRUE_MASK = new Short256Mask(true);
790         private static final Short256Mask FALSE_MASK = new Short256Mask(false);
791 
792     }
793 
794     // Shuffle
795 
796     static final class Short256Shuffle extends AbstractShuffle<Short> {
797         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
798         static final Class<Short> ETYPE = short.class; // used by the JVM
799 
800         Short256Shuffle(byte[] reorder) {
801             super(VLENGTH, reorder);
802         }
803 
804         public Short256Shuffle(int[] reorder) {
805             super(VLENGTH, reorder);
806         }
807 
808         public Short256Shuffle(int[] reorder, int i) {
809             super(VLENGTH, reorder, i);
810         }
811 
812         public Short256Shuffle(IntUnaryOperator fn) {
813             super(VLENGTH, fn);
814         }
815 
816         @Override
817         public ShortSpecies vspecies() {
818             return VSPECIES;
819         }
820 
821         static {
822             // There must be enough bits in the shuffle lanes to encode
823             // VLENGTH valid indexes and VLENGTH exceptional ones.
824             assert(VLENGTH < Byte.MAX_VALUE);
825             assert(Byte.MIN_VALUE <= -VLENGTH);
826         }
827         static final Short256Shuffle IOTA = new Short256Shuffle(IDENTITY);
828 
829         @Override
830         @ForceInline
831         public Short256Vector toVector() {
832             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Short256Shuffle.class, this, VLENGTH,
833                                                     (s) -> ((Short256Vector)(((AbstractShuffle<Short>)(s)).toVectorTemplate())));
834         }
835 
836         @Override
837         @ForceInline
838         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
839             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
840             if (length() != species.laneCount())
841                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
842             int[] shuffleArray = toArray();
843             return s.shuffleFromArray(shuffleArray, 0).check(s);
844         }
845 
846         @ForceInline
847         @Override
848         public Short256Shuffle rearrange(VectorShuffle<Short> shuffle) {
849             Short256Shuffle s = (Short256Shuffle) shuffle;
850             byte[] reorder1 = reorder();
851             byte[] reorder2 = s.reorder();
852             byte[] r = new byte[reorder1.length];
853             for (int i = 0; i < reorder1.length; i++) {
854                 int ssi = reorder2[i];
855                 r[i] = reorder1[ssi];  // throws on exceptional index
856             }
857             return new Short256Shuffle(r);
858         }
859     }
860 
861     // ================================================
862 
863     // Specialized low-level memory operations.
864 
865     @ForceInline
866     @Override
867     final
868     ShortVector fromArray0(short[] a, int offset) {
869         return super.fromArray0Template(a, offset);  // specialize
870     }
871 
872     @ForceInline
873     @Override
874     final
875     ShortVector fromArray0(short[] a, int offset, VectorMask<Short> m) {
876         return super.fromArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);  // specialize
877     }
878 
879 
880     @ForceInline
881     @Override
882     final
883     ShortVector fromCharArray0(char[] a, int offset) {
884         return super.fromCharArray0Template(a, offset);  // specialize
885     }
886 
887     @ForceInline
888     @Override
889     final
890     ShortVector fromCharArray0(char[] a, int offset, VectorMask<Short> m) {
891         return super.fromCharArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);  // specialize
892     }
893 
894 
895     @ForceInline
896     @Override
897     final
898     ShortVector fromByteArray0(byte[] a, int offset) {
899         return super.fromByteArray0Template(a, offset);  // specialize
900     }
901 
902     @ForceInline
903     @Override
904     final
905     ShortVector fromByteArray0(byte[] a, int offset, VectorMask<Short> m) {
906         return super.fromByteArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);  // specialize
907     }
908 
909     @ForceInline
910     @Override
911     final
912     ShortVector fromByteBuffer0(ByteBuffer bb, int offset) {
913         return super.fromByteBuffer0Template(bb, offset);  // specialize
914     }
915 
916     @ForceInline
917     @Override
918     final
919     ShortVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Short> m) {
920         return super.fromByteBuffer0Template(Short256Mask.class, bb, offset, (Short256Mask) m);  // specialize
921     }
922 
923     @ForceInline
924     @Override
925     final
926     void intoArray0(short[] a, int offset) {
927         super.intoArray0Template(a, offset);  // specialize
928     }
929 
930     @ForceInline
931     @Override
932     final
933     void intoArray0(short[] a, int offset, VectorMask<Short> m) {
934         super.intoArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);
935     }
936 
937 
938 
939     @ForceInline
940     @Override
941     final
942     void intoByteArray0(byte[] a, int offset) {
943         super.intoByteArray0Template(a, offset);  // specialize
944     }
945 
946     @ForceInline
947     @Override
948     final
949     void intoByteArray0(byte[] a, int offset, VectorMask<Short> m) {
950         super.intoByteArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);  // specialize
951     }
952 
953     @ForceInline
954     @Override
955     final
956     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Short> m) {
957         super.intoByteBuffer0Template(Short256Mask.class, bb, offset, (Short256Mask) m);
958     }
959 
960     @ForceInline
961     @Override
962     final
963     void intoCharArray0(char[] a, int offset, VectorMask<Short> m) {
964         super.intoCharArray0Template(Short256Mask.class, a, offset, (Short256Mask) m);
965     }
966 
967     // End of specialized low-level memory operations.
968 
969     // ================================================
970 
971 }
--- EOF ---