1 /*
  2  * Copyright (c) 2017, 2022, 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.util.Arrays;
 28 import java.util.Objects;
 29 import java.util.function.IntUnaryOperator;
 30 
 31 import jdk.incubator.foreign.MemorySegment;
 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 LongMaxVector extends LongVector {
 43     static final LongSpecies VSPECIES =
 44         (LongSpecies) LongVector.SPECIES_MAX;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<LongMaxVector> VCLASS = LongMaxVector.class;
 50 
 51     static final int VSIZE = VSPECIES.vectorBitSize();
 52 
 53     static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
 54 
 55     static final Class<Long> ETYPE = long.class; // used by the JVM
 56 
 57     LongMaxVector(long[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as LongMaxVector::new,
 62     // stored into species.vectorFactory.
 63     LongMaxVector(Object v) {
 64         this((long[]) v);
 65     }
 66 
 67     static final LongMaxVector ZERO = new LongMaxVector(new long[VLENGTH]);
 68     static final LongMaxVector IOTA = new LongMaxVector(VSPECIES.iotaArray());
 69 
 70     static {
 71         // Warm up a few species caches.
 72         // If we do this too much we will
 73         // get NPEs from bootstrap circularity.
 74         VSPECIES.dummyVector();
 75         VSPECIES.withLanes(LaneType.BYTE);
 76     }
 77 
 78     // Specialized extractors
 79 
 80     @ForceInline
 81     final @Override
 82     public LongSpecies vspecies() {
 83         // ISSUE:  This should probably be a @Stable
 84         // field inside AbstractVector, rather than
 85         // a megamorphic method.
 86         return VSPECIES;
 87     }
 88 
 89     @ForceInline
 90     @Override
 91     public final Class<Long> elementType() { return long.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Long.SIZE; }
 96 
 97     @ForceInline
 98     @Override
 99     public final VectorShape shape() { return VSHAPE; }
100 
101     @ForceInline
102     @Override
103     public final int length() { return VLENGTH; }
104 
105     @ForceInline
106     @Override
107     public final int bitSize() { return VSIZE; }
108 
109     @ForceInline
110     @Override
111     public final int byteSize() { return VSIZE / Byte.SIZE; }
112 
113     /*package-private*/
114     @ForceInline
115     final @Override
116     long[] vec() {
117         return (long[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final LongMaxVector broadcast(long e) {
125         return (LongMaxVector) super.broadcastTemplate(e);  // specialize
126     }
127 
128 
129     @Override
130     @ForceInline
131     LongMaxMask maskFromArray(boolean[] bits) {
132         return new LongMaxMask(bits);
133     }
134 
135     @Override
136     @ForceInline
137     LongMaxShuffle iotaShuffle() { return LongMaxShuffle.IOTA; }
138 
139     @ForceInline
140     LongMaxShuffle iotaShuffle(int start, int step, boolean wrap) {
141       if (wrap) {
142         return (LongMaxShuffle)VectorSupport.shuffleIota(ETYPE, LongMaxShuffle.class, VSPECIES, VLENGTH, start, step, 1,
143                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
144       } else {
145         return (LongMaxShuffle)VectorSupport.shuffleIota(ETYPE, LongMaxShuffle.class, VSPECIES, VLENGTH, start, step, 0,
146                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (i*lstep + lstart)));
147       }
148     }
149 
150     @Override
151     @ForceInline
152     LongMaxShuffle shuffleFromBytes(byte[] reorder) { return new LongMaxShuffle(reorder); }
153 
154     @Override
155     @ForceInline
156     LongMaxShuffle shuffleFromArray(int[] indexes, int i) { return new LongMaxShuffle(indexes, i); }
157 
158     @Override
159     @ForceInline
160     LongMaxShuffle shuffleFromOp(IntUnaryOperator fn) { return new LongMaxShuffle(fn); }
161 
162     // Make a vector of the same species but the given elements:
163     @ForceInline
164     final @Override
165     LongMaxVector vectorFactory(long[] vec) {
166         return new LongMaxVector(vec);
167     }
168 
169     @ForceInline
170     final @Override
171     ByteMaxVector asByteVectorRaw() {
172         return (ByteMaxVector) super.asByteVectorRawTemplate();  // specialize
173     }
174 
175     @ForceInline
176     final @Override
177     AbstractVector<?> asVectorRaw(LaneType laneType) {
178         return super.asVectorRawTemplate(laneType);  // specialize
179     }
180 
181     // Unary operator
182 
183     @ForceInline
184     final @Override
185     LongMaxVector uOp(FUnOp f) {
186         return (LongMaxVector) super.uOpTemplate(f);  // specialize
187     }
188 
189     @ForceInline
190     final @Override
191     LongMaxVector uOp(VectorMask<Long> m, FUnOp f) {
192         return (LongMaxVector)
193             super.uOpTemplate((LongMaxMask)m, f);  // specialize
194     }
195 
196     // Binary operator
197 
198     @ForceInline
199     final @Override
200     LongMaxVector bOp(Vector<Long> v, FBinOp f) {
201         return (LongMaxVector) super.bOpTemplate((LongMaxVector)v, f);  // specialize
202     }
203 
204     @ForceInline
205     final @Override
206     LongMaxVector bOp(Vector<Long> v,
207                      VectorMask<Long> m, FBinOp f) {
208         return (LongMaxVector)
209             super.bOpTemplate((LongMaxVector)v, (LongMaxMask)m,
210                               f);  // specialize
211     }
212 
213     // Ternary operator
214 
215     @ForceInline
216     final @Override
217     LongMaxVector tOp(Vector<Long> v1, Vector<Long> v2, FTriOp f) {
218         return (LongMaxVector)
219             super.tOpTemplate((LongMaxVector)v1, (LongMaxVector)v2,
220                               f);  // specialize
221     }
222 
223     @ForceInline
224     final @Override
225     LongMaxVector tOp(Vector<Long> v1, Vector<Long> v2,
226                      VectorMask<Long> m, FTriOp f) {
227         return (LongMaxVector)
228             super.tOpTemplate((LongMaxVector)v1, (LongMaxVector)v2,
229                               (LongMaxMask)m, f);  // specialize
230     }
231 
232     @ForceInline
233     final @Override
234     long rOp(long v, VectorMask<Long> m, FBinOp f) {
235         return super.rOpTemplate(v, m, f);  // specialize
236     }
237 
238     @Override
239     @ForceInline
240     public final <F>
241     Vector<F> convertShape(VectorOperators.Conversion<Long,F> conv,
242                            VectorSpecies<F> rsp, int part) {
243         return super.convertShapeTemplate(conv, rsp, part);  // specialize
244     }
245 
246     @Override
247     @ForceInline
248     public final <F>
249     Vector<F> reinterpretShape(VectorSpecies<F> toSpecies, int part) {
250         return super.reinterpretShapeTemplate(toSpecies, part);  // specialize
251     }
252 
253     // Specialized algebraic operations:
254 
255     // The following definition forces a specialized version of this
256     // crucial method into the v-table of this class.  A call to add()
257     // will inline to a call to lanewise(ADD,), at which point the JIT
258     // intrinsic will have the opcode of ADD, plus all the metadata
259     // for this particular class, enabling it to generate precise
260     // code.
261     //
262     // There is probably no benefit to the JIT to specialize the
263     // masked or broadcast versions of the lanewise method.
264 
265     @Override
266     @ForceInline
267     public LongMaxVector lanewise(Unary op) {
268         return (LongMaxVector) super.lanewiseTemplate(op);  // specialize
269     }
270 
271     @Override
272     @ForceInline
273     public LongMaxVector lanewise(Unary op, VectorMask<Long> m) {
274         return (LongMaxVector) super.lanewiseTemplate(op, LongMaxMask.class, (LongMaxMask) m);  // specialize
275     }
276 
277     @Override
278     @ForceInline
279     public LongMaxVector lanewise(Binary op, Vector<Long> v) {
280         return (LongMaxVector) super.lanewiseTemplate(op, v);  // specialize
281     }
282 
283     @Override
284     @ForceInline
285     public LongMaxVector lanewise(Binary op, Vector<Long> v, VectorMask<Long> m) {
286         return (LongMaxVector) super.lanewiseTemplate(op, LongMaxMask.class, v, (LongMaxMask) m);  // specialize
287     }
288 
289     /*package-private*/
290     @Override
291     @ForceInline LongMaxVector
292     lanewiseShift(VectorOperators.Binary op, int e) {
293         return (LongMaxVector) super.lanewiseShiftTemplate(op, e);  // specialize
294     }
295 
296     /*package-private*/
297     @Override
298     @ForceInline LongMaxVector
299     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Long> m) {
300         return (LongMaxVector) super.lanewiseShiftTemplate(op, LongMaxMask.class, e, (LongMaxMask) m);  // specialize
301     }
302 
303     /*package-private*/
304     @Override
305     @ForceInline
306     public final
307     LongMaxVector
308     lanewise(Ternary op, Vector<Long> v1, Vector<Long> v2) {
309         return (LongMaxVector) super.lanewiseTemplate(op, v1, v2);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     LongMaxVector
316     lanewise(Ternary op, Vector<Long> v1, Vector<Long> v2, VectorMask<Long> m) {
317         return (LongMaxVector) super.lanewiseTemplate(op, LongMaxMask.class, v1, v2, (LongMaxMask) m);  // specialize
318     }
319 
320     @Override
321     @ForceInline
322     public final
323     LongMaxVector addIndex(int scale) {
324         return (LongMaxVector) super.addIndexTemplate(scale);  // specialize
325     }
326 
327     // Type specific horizontal reductions
328 
329     @Override
330     @ForceInline
331     public final long reduceLanes(VectorOperators.Associative op) {
332         return super.reduceLanesTemplate(op);  // specialized
333     }
334 
335     @Override
336     @ForceInline
337     public final long reduceLanes(VectorOperators.Associative op,
338                                     VectorMask<Long> m) {
339         return super.reduceLanesTemplate(op, LongMaxMask.class, (LongMaxMask) m);  // specialized
340     }
341 
342     @Override
343     @ForceInline
344     public final long reduceLanesToLong(VectorOperators.Associative op) {
345         return (long) super.reduceLanesTemplate(op);  // specialized
346     }
347 
348     @Override
349     @ForceInline
350     public final long reduceLanesToLong(VectorOperators.Associative op,
351                                         VectorMask<Long> m) {
352         return (long) super.reduceLanesTemplate(op, LongMaxMask.class, (LongMaxMask) m);  // specialized
353     }
354 
355     @ForceInline
356     public VectorShuffle<Long> toShuffle() {
357         return super.toShuffleTemplate(LongMaxShuffle.class); // specialize
358     }
359 
360     // Specialized unary testing
361 
362     @Override
363     @ForceInline
364     public final LongMaxMask test(Test op) {
365         return super.testTemplate(LongMaxMask.class, op);  // specialize
366     }
367 
368     @Override
369     @ForceInline
370     public final LongMaxMask test(Test op, VectorMask<Long> m) {
371         return super.testTemplate(LongMaxMask.class, op, (LongMaxMask) m);  // specialize
372     }
373 
374     // Specialized comparisons
375 
376     @Override
377     @ForceInline
378     public final LongMaxMask compare(Comparison op, Vector<Long> v) {
379         return super.compareTemplate(LongMaxMask.class, op, v);  // specialize
380     }
381 
382     @Override
383     @ForceInline
384     public final LongMaxMask compare(Comparison op, long s) {
385         return super.compareTemplate(LongMaxMask.class, op, s);  // specialize
386     }
387 
388 
389     @Override
390     @ForceInline
391     public final LongMaxMask compare(Comparison op, Vector<Long> v, VectorMask<Long> m) {
392         return super.compareTemplate(LongMaxMask.class, op, v, (LongMaxMask) m);
393     }
394 
395 
396     @Override
397     @ForceInline
398     public LongMaxVector blend(Vector<Long> v, VectorMask<Long> m) {
399         return (LongMaxVector)
400             super.blendTemplate(LongMaxMask.class,
401                                 (LongMaxVector) v,
402                                 (LongMaxMask) m);  // specialize
403     }
404 
405     @Override
406     @ForceInline
407     public LongMaxVector slice(int origin, Vector<Long> v) {
408         return (LongMaxVector) super.sliceTemplate(origin, v);  // specialize
409     }
410 
411     @Override
412     @ForceInline
413     public LongMaxVector slice(int origin) {
414         return (LongMaxVector) super.sliceTemplate(origin);  // specialize
415     }
416 
417     @Override
418     @ForceInline
419     public LongMaxVector unslice(int origin, Vector<Long> w, int part) {
420         return (LongMaxVector) super.unsliceTemplate(origin, w, part);  // specialize
421     }
422 
423     @Override
424     @ForceInline
425     public LongMaxVector unslice(int origin, Vector<Long> w, int part, VectorMask<Long> m) {
426         return (LongMaxVector)
427             super.unsliceTemplate(LongMaxMask.class,
428                                   origin, w, part,
429                                   (LongMaxMask) m);  // specialize
430     }
431 
432     @Override
433     @ForceInline
434     public LongMaxVector unslice(int origin) {
435         return (LongMaxVector) super.unsliceTemplate(origin);  // specialize
436     }
437 
438     @Override
439     @ForceInline
440     public LongMaxVector rearrange(VectorShuffle<Long> s) {
441         return (LongMaxVector)
442             super.rearrangeTemplate(LongMaxShuffle.class,
443                                     (LongMaxShuffle) s);  // specialize
444     }
445 
446     @Override
447     @ForceInline
448     public LongMaxVector rearrange(VectorShuffle<Long> shuffle,
449                                   VectorMask<Long> m) {
450         return (LongMaxVector)
451             super.rearrangeTemplate(LongMaxShuffle.class,
452                                     LongMaxMask.class,
453                                     (LongMaxShuffle) shuffle,
454                                     (LongMaxMask) m);  // specialize
455     }
456 
457     @Override
458     @ForceInline
459     public LongMaxVector rearrange(VectorShuffle<Long> s,
460                                   Vector<Long> v) {
461         return (LongMaxVector)
462             super.rearrangeTemplate(LongMaxShuffle.class,
463                                     (LongMaxShuffle) s,
464                                     (LongMaxVector) v);  // specialize
465     }
466 
467     @Override
468     @ForceInline
469     public LongMaxVector compress(VectorMask<Long> m) {
470         return (LongMaxVector)
471             super.compressTemplate(LongMaxMask.class,
472                                    (LongMaxMask) m);  // specialize
473     }
474 
475     @Override
476     @ForceInline
477     public LongMaxVector expand(VectorMask<Long> m) {
478         return (LongMaxVector)
479             super.expandTemplate(LongMaxMask.class,
480                                    (LongMaxMask) m);  // specialize
481     }
482 
483     @Override
484     @ForceInline
485     public LongMaxVector selectFrom(Vector<Long> v) {
486         return (LongMaxVector)
487             super.selectFromTemplate((LongMaxVector) v);  // specialize
488     }
489 
490     @Override
491     @ForceInline
492     public LongMaxVector selectFrom(Vector<Long> v,
493                                    VectorMask<Long> m) {
494         return (LongMaxVector)
495             super.selectFromTemplate((LongMaxVector) v,
496                                      (LongMaxMask) m);  // specialize
497     }
498 
499 
500     @ForceInline
501     @Override
502     public long lane(int i) {
503         if (i < 0 || i >= VLENGTH) {
504             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
505         }
506         return laneHelper(i);
507     }
508 
509     public long laneHelper(int i) {
510         return (long) VectorSupport.extract(
511                                 VCLASS, ETYPE, VLENGTH,
512                                 this, i,
513                                 (vec, ix) -> {
514                                     long[] vecarr = vec.vec();
515                                     return (long)vecarr[ix];
516                                 });
517     }
518 
519     @ForceInline
520     @Override
521     public LongMaxVector withLane(int i, long e) {
522         if (i < 0 || i >= VLENGTH) {
523             throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
524         }
525         return withLaneHelper(i, e);
526     }
527 
528     public LongMaxVector withLaneHelper(int i, long e) {
529         return VectorSupport.insert(
530                                 VCLASS, ETYPE, VLENGTH,
531                                 this, i, (long)e,
532                                 (v, ix, bits) -> {
533                                     long[] res = v.vec().clone();
534                                     res[ix] = (long)bits;
535                                     return v.vectorFactory(res);
536                                 });
537     }
538 
539     // Mask
540 
541     static final class LongMaxMask extends AbstractMask<Long> {
542         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
543         static final Class<Long> ETYPE = long.class; // used by the JVM
544 
545         LongMaxMask(boolean[] bits) {
546             this(bits, 0);
547         }
548 
549         LongMaxMask(boolean[] bits, int offset) {
550             super(prepare(bits, offset));
551         }
552 
553         LongMaxMask(boolean val) {
554             super(prepare(val));
555         }
556 
557         private static boolean[] prepare(boolean[] bits, int offset) {
558             boolean[] newBits = new boolean[VSPECIES.laneCount()];
559             for (int i = 0; i < newBits.length; i++) {
560                 newBits[i] = bits[offset + i];
561             }
562             return newBits;
563         }
564 
565         private static boolean[] prepare(boolean val) {
566             boolean[] bits = new boolean[VSPECIES.laneCount()];
567             Arrays.fill(bits, val);
568             return bits;
569         }
570 
571         @ForceInline
572         final @Override
573         public LongSpecies vspecies() {
574             // ISSUE:  This should probably be a @Stable
575             // field inside AbstractMask, rather than
576             // a megamorphic method.
577             return VSPECIES;
578         }
579 
580         @ForceInline
581         boolean[] getBits() {
582             return (boolean[])getPayload();
583         }
584 
585         @Override
586         LongMaxMask uOp(MUnOp f) {
587             boolean[] res = new boolean[vspecies().laneCount()];
588             boolean[] bits = getBits();
589             for (int i = 0; i < res.length; i++) {
590                 res[i] = f.apply(i, bits[i]);
591             }
592             return new LongMaxMask(res);
593         }
594 
595         @Override
596         LongMaxMask bOp(VectorMask<Long> m, MBinOp f) {
597             boolean[] res = new boolean[vspecies().laneCount()];
598             boolean[] bits = getBits();
599             boolean[] mbits = ((LongMaxMask)m).getBits();
600             for (int i = 0; i < res.length; i++) {
601                 res[i] = f.apply(i, bits[i], mbits[i]);
602             }
603             return new LongMaxMask(res);
604         }
605 
606         @ForceInline
607         @Override
608         public final
609         LongMaxVector toVector() {
610             return (LongMaxVector) super.toVectorTemplate();  // specialize
611         }
612 
613         /**
614          * Helper function for lane-wise mask conversions.
615          * This function kicks in after intrinsic failure.
616          */
617         @ForceInline
618         private final <E>
619         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
620             if (length() != dsp.laneCount())
621                 throw new IllegalArgumentException("VectorMask length and species length differ");
622             boolean[] maskArray = toArray();
623             return  dsp.maskFactory(maskArray).check(dsp);
624         }
625 
626         @Override
627         @ForceInline
628         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
629             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
630             if (length() != species.laneCount())
631                 throw new IllegalArgumentException("VectorMask length and species length differ");
632 
633             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
634                 this.getClass(), ETYPE, VLENGTH,
635                 species.maskType(), species.elementType(), VLENGTH,
636                 this, species,
637                 (m, s) -> s.maskFactory(m.toArray()).check(s));
638         }
639 
640         @Override
641         @ForceInline
642         public LongMaxMask eq(VectorMask<Long> mask) {
643             Objects.requireNonNull(mask);
644             LongMaxMask m = (LongMaxMask)mask;
645             return xor(m.not());
646         }
647 
648         // Unary operations
649 
650         @Override
651         @ForceInline
652         public LongMaxMask not() {
653             return xor(maskAll(true));
654         }
655 
656         @Override
657         @ForceInline
658         public LongMaxMask compress() {
659             return (LongMaxMask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
660                 LongMaxVector.class, LongMaxMask.class, ETYPE, VLENGTH, null, this,
661                 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
662         }
663 
664 
665         // Binary operations
666 
667         @Override
668         @ForceInline
669         public LongMaxMask and(VectorMask<Long> mask) {
670             Objects.requireNonNull(mask);
671             LongMaxMask m = (LongMaxMask)mask;
672             return VectorSupport.binaryOp(VECTOR_OP_AND, LongMaxMask.class, null, long.class, VLENGTH,
673                                           this, m, null,
674                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
675         }
676 
677         @Override
678         @ForceInline
679         public LongMaxMask or(VectorMask<Long> mask) {
680             Objects.requireNonNull(mask);
681             LongMaxMask m = (LongMaxMask)mask;
682             return VectorSupport.binaryOp(VECTOR_OP_OR, LongMaxMask.class, null, long.class, VLENGTH,
683                                           this, m, null,
684                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
685         }
686 
687         @ForceInline
688         /* package-private */
689         LongMaxMask xor(VectorMask<Long> mask) {
690             Objects.requireNonNull(mask);
691             LongMaxMask m = (LongMaxMask)mask;
692             return VectorSupport.binaryOp(VECTOR_OP_XOR, LongMaxMask.class, null, long.class, VLENGTH,
693                                           this, m, null,
694                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
695         }
696 
697         // Mask Query operations
698 
699         @Override
700         @ForceInline
701         public int trueCount() {
702             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, LongMaxMask.class, long.class, VLENGTH, this,
703                                                       (m) -> trueCountHelper(m.getBits()));
704         }
705 
706         @Override
707         @ForceInline
708         public int firstTrue() {
709             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, LongMaxMask.class, long.class, VLENGTH, this,
710                                                       (m) -> firstTrueHelper(m.getBits()));
711         }
712 
713         @Override
714         @ForceInline
715         public int lastTrue() {
716             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, LongMaxMask.class, long.class, VLENGTH, this,
717                                                       (m) -> lastTrueHelper(m.getBits()));
718         }
719 
720         @Override
721         @ForceInline
722         public long toLong() {
723             if (length() > Long.SIZE) {
724                 throw new UnsupportedOperationException("too many lanes for one long");
725             }
726             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, LongMaxMask.class, long.class, VLENGTH, this,
727                                                       (m) -> toLongHelper(m.getBits()));
728         }
729 
730         // Reductions
731 
732         @Override
733         @ForceInline
734         public boolean anyTrue() {
735             return VectorSupport.test(BT_ne, LongMaxMask.class, long.class, VLENGTH,
736                                          this, vspecies().maskAll(true),
737                                          (m, __) -> anyTrueHelper(((LongMaxMask)m).getBits()));
738         }
739 
740         @Override
741         @ForceInline
742         public boolean allTrue() {
743             return VectorSupport.test(BT_overflow, LongMaxMask.class, long.class, VLENGTH,
744                                          this, vspecies().maskAll(true),
745                                          (m, __) -> allTrueHelper(((LongMaxMask)m).getBits()));
746         }
747 
748         @ForceInline
749         /*package-private*/
750         static LongMaxMask maskAll(boolean bit) {
751             return VectorSupport.fromBitsCoerced(LongMaxMask.class, long.class, VLENGTH,
752                                                  (bit ? -1 : 0), MODE_BROADCAST, null,
753                                                  (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
754         }
755         private static final LongMaxMask  TRUE_MASK = new LongMaxMask(true);
756         private static final LongMaxMask FALSE_MASK = new LongMaxMask(false);
757 
758     }
759 
760     // Shuffle
761 
762     static final class LongMaxShuffle extends AbstractShuffle<Long> {
763         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
764         static final Class<Long> ETYPE = long.class; // used by the JVM
765 
766         LongMaxShuffle(byte[] reorder) {
767             super(VLENGTH, reorder);
768         }
769 
770         public LongMaxShuffle(int[] reorder) {
771             super(VLENGTH, reorder);
772         }
773 
774         public LongMaxShuffle(int[] reorder, int i) {
775             super(VLENGTH, reorder, i);
776         }
777 
778         public LongMaxShuffle(IntUnaryOperator fn) {
779             super(VLENGTH, fn);
780         }
781 
782         @Override
783         public LongSpecies vspecies() {
784             return VSPECIES;
785         }
786 
787         static {
788             // There must be enough bits in the shuffle lanes to encode
789             // VLENGTH valid indexes and VLENGTH exceptional ones.
790             assert(VLENGTH < Byte.MAX_VALUE);
791             assert(Byte.MIN_VALUE <= -VLENGTH);
792         }
793         static final LongMaxShuffle IOTA = new LongMaxShuffle(IDENTITY);
794 
795         @Override
796         @ForceInline
797         public LongMaxVector toVector() {
798             return VectorSupport.shuffleToVector(VCLASS, ETYPE, LongMaxShuffle.class, this, VLENGTH,
799                                                     (s) -> ((LongMaxVector)(((AbstractShuffle<Long>)(s)).toVectorTemplate())));
800         }
801 
802         @Override
803         @ForceInline
804         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
805             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
806             if (length() != species.laneCount())
807                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
808             int[] shuffleArray = toArray();
809             return s.shuffleFromArray(shuffleArray, 0).check(s);
810         }
811 
812         @ForceInline
813         @Override
814         public LongMaxShuffle rearrange(VectorShuffle<Long> shuffle) {
815             LongMaxShuffle s = (LongMaxShuffle) shuffle;
816             byte[] reorder1 = reorder();
817             byte[] reorder2 = s.reorder();
818             byte[] r = new byte[reorder1.length];
819             for (int i = 0; i < reorder1.length; i++) {
820                 int ssi = reorder2[i];
821                 r[i] = reorder1[ssi];  // throws on exceptional index
822             }
823             return new LongMaxShuffle(r);
824         }
825     }
826 
827     // ================================================
828 
829     // Specialized low-level memory operations.
830 
831     @ForceInline
832     @Override
833     final
834     LongVector fromArray0(long[] a, int offset) {
835         return super.fromArray0Template(a, offset);  // specialize
836     }
837 
838     @ForceInline
839     @Override
840     final
841     LongVector fromArray0(long[] a, int offset, VectorMask<Long> m) {
842         return super.fromArray0Template(LongMaxMask.class, a, offset, (LongMaxMask) m);  // specialize
843     }
844 
845     @ForceInline
846     @Override
847     final
848     LongVector fromArray0(long[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Long> m) {
849         return super.fromArray0Template(LongMaxMask.class, a, offset, indexMap, mapOffset, (LongMaxMask) m);
850     }
851 
852 
853 
854     @ForceInline
855     @Override
856     final
857     LongVector fromMemorySegment0(MemorySegment ms, long offset) {
858         return super.fromMemorySegment0Template(ms, offset);  // specialize
859     }
860 
861     @ForceInline
862     @Override
863     final
864     LongVector fromMemorySegment0(MemorySegment ms, long offset, VectorMask<Long> m) {
865         return super.fromMemorySegment0Template(LongMaxMask.class, ms, offset, (LongMaxMask) m);  // specialize
866     }
867 
868     @ForceInline
869     @Override
870     final
871     void intoArray0(long[] a, int offset) {
872         super.intoArray0Template(a, offset);  // specialize
873     }
874 
875     @ForceInline
876     @Override
877     final
878     void intoArray0(long[] a, int offset, VectorMask<Long> m) {
879         super.intoArray0Template(LongMaxMask.class, a, offset, (LongMaxMask) m);
880     }
881 
882     @ForceInline
883     @Override
884     final
885     void intoArray0(long[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Long> m) {
886         super.intoArray0Template(LongMaxMask.class, a, offset, indexMap, mapOffset, (LongMaxMask) m);
887     }
888 
889 
890     @ForceInline
891     @Override
892     final
893     void intoMemorySegment0(MemorySegment ms, long offset, VectorMask<Long> m) {
894         super.intoMemorySegment0Template(LongMaxMask.class, ms, offset, (LongMaxMask) m);
895     }
896 
897 
898     // End of specialized low-level memory operations.
899 
900     // ================================================
901 
902 }