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 Long128Vector extends LongVector {
 43     static final LongSpecies VSPECIES =
 44         (LongSpecies) LongVector.SPECIES_128;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Long128Vector> VCLASS = Long128Vector.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     Long128Vector(long[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Long128Vector::new,
 62     // stored into species.vectorFactory.
 63     Long128Vector(Object v) {
 64         this((long[]) v);
 65     }
 66 
 67     static final Long128Vector ZERO = new Long128Vector(new long[VLENGTH]);
 68     static final Long128Vector IOTA = new Long128Vector(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 Long128Vector broadcast(long e) {
125         return (Long128Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128 
129     @Override
130     @ForceInline
131     Long128Mask maskFromArray(boolean[] bits) {
132         return new Long128Mask(bits);
133     }
134 
135     @Override
136     @ForceInline
137     Long128Shuffle iotaShuffle() { return Long128Shuffle.IOTA; }
138 
139     @ForceInline
140     Long128Shuffle iotaShuffle(int start, int step, boolean wrap) {
141       if (wrap) {
142         return (Long128Shuffle)VectorSupport.shuffleIota(ETYPE, Long128Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
143                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
144       } else {
145         return (Long128Shuffle)VectorSupport.shuffleIota(ETYPE, Long128Shuffle.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     Long128Shuffle shuffleFromBytes(byte[] reorder) { return new Long128Shuffle(reorder); }
153 
154     @Override
155     @ForceInline
156     Long128Shuffle shuffleFromArray(int[] indexes, int i) { return new Long128Shuffle(indexes, i); }
157 
158     @Override
159     @ForceInline
160     Long128Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Long128Shuffle(fn); }
161 
162     // Make a vector of the same species but the given elements:
163     @ForceInline
164     final @Override
165     Long128Vector vectorFactory(long[] vec) {
166         return new Long128Vector(vec);
167     }
168 
169     @ForceInline
170     final @Override
171     Byte128Vector asByteVectorRaw() {
172         return (Byte128Vector) 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     Long128Vector uOp(FUnOp f) {
186         return (Long128Vector) super.uOpTemplate(f);  // specialize
187     }
188 
189     @ForceInline
190     final @Override
191     Long128Vector uOp(VectorMask<Long> m, FUnOp f) {
192         return (Long128Vector)
193             super.uOpTemplate((Long128Mask)m, f);  // specialize
194     }
195 
196     // Binary operator
197 
198     @ForceInline
199     final @Override
200     Long128Vector bOp(Vector<Long> v, FBinOp f) {
201         return (Long128Vector) super.bOpTemplate((Long128Vector)v, f);  // specialize
202     }
203 
204     @ForceInline
205     final @Override
206     Long128Vector bOp(Vector<Long> v,
207                      VectorMask<Long> m, FBinOp f) {
208         return (Long128Vector)
209             super.bOpTemplate((Long128Vector)v, (Long128Mask)m,
210                               f);  // specialize
211     }
212 
213     // Ternary operator
214 
215     @ForceInline
216     final @Override
217     Long128Vector tOp(Vector<Long> v1, Vector<Long> v2, FTriOp f) {
218         return (Long128Vector)
219             super.tOpTemplate((Long128Vector)v1, (Long128Vector)v2,
220                               f);  // specialize
221     }
222 
223     @ForceInline
224     final @Override
225     Long128Vector tOp(Vector<Long> v1, Vector<Long> v2,
226                      VectorMask<Long> m, FTriOp f) {
227         return (Long128Vector)
228             super.tOpTemplate((Long128Vector)v1, (Long128Vector)v2,
229                               (Long128Mask)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 Long128Vector lanewise(Unary op) {
268         return (Long128Vector) super.lanewiseTemplate(op);  // specialize
269     }
270 
271     @Override
272     @ForceInline
273     public Long128Vector lanewise(Unary op, VectorMask<Long> m) {
274         return (Long128Vector) super.lanewiseTemplate(op, Long128Mask.class, (Long128Mask) m);  // specialize
275     }
276 
277     @Override
278     @ForceInline
279     public Long128Vector lanewise(Binary op, Vector<Long> v) {
280         return (Long128Vector) super.lanewiseTemplate(op, v);  // specialize
281     }
282 
283     @Override
284     @ForceInline
285     public Long128Vector lanewise(Binary op, Vector<Long> v, VectorMask<Long> m) {
286         return (Long128Vector) super.lanewiseTemplate(op, Long128Mask.class, v, (Long128Mask) m);  // specialize
287     }
288 
289     /*package-private*/
290     @Override
291     @ForceInline Long128Vector
292     lanewiseShift(VectorOperators.Binary op, int e) {
293         return (Long128Vector) super.lanewiseShiftTemplate(op, e);  // specialize
294     }
295 
296     /*package-private*/
297     @Override
298     @ForceInline Long128Vector
299     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Long> m) {
300         return (Long128Vector) super.lanewiseShiftTemplate(op, Long128Mask.class, e, (Long128Mask) m);  // specialize
301     }
302 
303     /*package-private*/
304     @Override
305     @ForceInline
306     public final
307     Long128Vector
308     lanewise(Ternary op, Vector<Long> v1, Vector<Long> v2) {
309         return (Long128Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     Long128Vector
316     lanewise(Ternary op, Vector<Long> v1, Vector<Long> v2, VectorMask<Long> m) {
317         return (Long128Vector) super.lanewiseTemplate(op, Long128Mask.class, v1, v2, (Long128Mask) m);  // specialize
318     }
319 
320     @Override
321     @ForceInline
322     public final
323     Long128Vector addIndex(int scale) {
324         return (Long128Vector) 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, Long128Mask.class, (Long128Mask) 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, Long128Mask.class, (Long128Mask) m);  // specialized
353     }
354 
355     @ForceInline
356     public VectorShuffle<Long> toShuffle() {
357         return super.toShuffleTemplate(Long128Shuffle.class); // specialize
358     }
359 
360     // Specialized unary testing
361 
362     @Override
363     @ForceInline
364     public final Long128Mask test(Test op) {
365         return super.testTemplate(Long128Mask.class, op);  // specialize
366     }
367 
368     // Specialized comparisons
369 
370     @Override
371     @ForceInline
372     public final Long128Mask compare(Comparison op, Vector<Long> v) {
373         return super.compareTemplate(Long128Mask.class, op, v);  // specialize
374     }
375 
376     @Override
377     @ForceInline
378     public final Long128Mask compare(Comparison op, long s) {
379         return super.compareTemplate(Long128Mask.class, op, s);  // specialize
380     }
381 
382 
383     @Override
384     @ForceInline
385     public final Long128Mask compare(Comparison op, Vector<Long> v, VectorMask<Long> m) {
386         return super.compareTemplate(Long128Mask.class, op, v, (Long128Mask) m);
387     }
388 
389 
390     @Override
391     @ForceInline
392     public Long128Vector blend(Vector<Long> v, VectorMask<Long> m) {
393         return (Long128Vector)
394             super.blendTemplate(Long128Mask.class,
395                                 (Long128Vector) v,
396                                 (Long128Mask) m);  // specialize
397     }
398 
399     @Override
400     @ForceInline
401     public Long128Vector slice(int origin, Vector<Long> v) {
402         return (Long128Vector) super.sliceTemplate(origin, v);  // specialize
403     }
404 
405     @Override
406     @ForceInline
407     public Long128Vector slice(int origin) {
408         return (Long128Vector) super.sliceTemplate(origin);  // specialize
409     }
410 
411     @Override
412     @ForceInline
413     public Long128Vector unslice(int origin, Vector<Long> w, int part) {
414         return (Long128Vector) super.unsliceTemplate(origin, w, part);  // specialize
415     }
416 
417     @Override
418     @ForceInline
419     public Long128Vector unslice(int origin, Vector<Long> w, int part, VectorMask<Long> m) {
420         return (Long128Vector)
421             super.unsliceTemplate(Long128Mask.class,
422                                   origin, w, part,
423                                   (Long128Mask) m);  // specialize
424     }
425 
426     @Override
427     @ForceInline
428     public Long128Vector unslice(int origin) {
429         return (Long128Vector) super.unsliceTemplate(origin);  // specialize
430     }
431 
432     @Override
433     @ForceInline
434     public Long128Vector rearrange(VectorShuffle<Long> s) {
435         return (Long128Vector)
436             super.rearrangeTemplate(Long128Shuffle.class,
437                                     (Long128Shuffle) s);  // specialize
438     }
439 
440     @Override
441     @ForceInline
442     public Long128Vector rearrange(VectorShuffle<Long> shuffle,
443                                   VectorMask<Long> m) {
444         return (Long128Vector)
445             super.rearrangeTemplate(Long128Shuffle.class,
446                                     Long128Mask.class,
447                                     (Long128Shuffle) shuffle,
448                                     (Long128Mask) m);  // specialize
449     }
450 
451     @Override
452     @ForceInline
453     public Long128Vector rearrange(VectorShuffle<Long> s,
454                                   Vector<Long> v) {
455         return (Long128Vector)
456             super.rearrangeTemplate(Long128Shuffle.class,
457                                     (Long128Shuffle) s,
458                                     (Long128Vector) v);  // specialize
459     }
460 
461     @Override
462     @ForceInline
463     public Long128Vector selectFrom(Vector<Long> v) {
464         return (Long128Vector)
465             super.selectFromTemplate((Long128Vector) v);  // specialize
466     }
467 
468     @Override
469     @ForceInline
470     public Long128Vector selectFrom(Vector<Long> v,
471                                    VectorMask<Long> m) {
472         return (Long128Vector)
473             super.selectFromTemplate((Long128Vector) v,
474                                      (Long128Mask) m);  // specialize
475     }
476 
477 
478     @ForceInline
479     @Override
480     public long lane(int i) {
481         switch(i) {
482             case 0: return laneHelper(0);
483             case 1: return laneHelper(1);
484             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
485         }
486     }
487 
488     public long laneHelper(int i) {
489         return (long) VectorSupport.extract(
490                                 VCLASS, ETYPE, VLENGTH,
491                                 this, i,
492                                 (vec, ix) -> {
493                                     long[] vecarr = vec.vec();
494                                     return (long)vecarr[ix];
495                                 });
496     }
497 
498     @ForceInline
499     @Override
500     public Long128Vector withLane(int i, long e) {
501         switch (i) {
502             case 0: return withLaneHelper(0, e);
503             case 1: return withLaneHelper(1, e);
504             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
505         }
506     }
507 
508     public Long128Vector withLaneHelper(int i, long e) {
509         return VectorSupport.insert(
510                                 VCLASS, ETYPE, VLENGTH,
511                                 this, i, (long)e,
512                                 (v, ix, bits) -> {
513                                     long[] res = v.vec().clone();
514                                     res[ix] = (long)bits;
515                                     return v.vectorFactory(res);
516                                 });
517     }
518 
519     // Mask
520 
521     static final class Long128Mask extends AbstractMask<Long> {
522         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
523         static final Class<Long> ETYPE = long.class; // used by the JVM
524 
525         Long128Mask(boolean[] bits) {
526             this(bits, 0);
527         }
528 
529         Long128Mask(boolean[] bits, int offset) {
530             super(prepare(bits, offset));
531         }
532 
533         Long128Mask(boolean val) {
534             super(prepare(val));
535         }
536 
537         private static boolean[] prepare(boolean[] bits, int offset) {
538             boolean[] newBits = new boolean[VSPECIES.laneCount()];
539             for (int i = 0; i < newBits.length; i++) {
540                 newBits[i] = bits[offset + i];
541             }
542             return newBits;
543         }
544 
545         private static boolean[] prepare(boolean val) {
546             boolean[] bits = new boolean[VSPECIES.laneCount()];
547             Arrays.fill(bits, val);
548             return bits;
549         }
550 
551         @ForceInline
552         final @Override
553         public LongSpecies vspecies() {
554             // ISSUE:  This should probably be a @Stable
555             // field inside AbstractMask, rather than
556             // a megamorphic method.
557             return VSPECIES;
558         }
559 
560         @ForceInline
561         boolean[] getBits() {
562             return (boolean[])getPayload();
563         }
564 
565         @Override
566         Long128Mask uOp(MUnOp f) {
567             boolean[] res = new boolean[vspecies().laneCount()];
568             boolean[] bits = getBits();
569             for (int i = 0; i < res.length; i++) {
570                 res[i] = f.apply(i, bits[i]);
571             }
572             return new Long128Mask(res);
573         }
574 
575         @Override
576         Long128Mask bOp(VectorMask<Long> m, MBinOp f) {
577             boolean[] res = new boolean[vspecies().laneCount()];
578             boolean[] bits = getBits();
579             boolean[] mbits = ((Long128Mask)m).getBits();
580             for (int i = 0; i < res.length; i++) {
581                 res[i] = f.apply(i, bits[i], mbits[i]);
582             }
583             return new Long128Mask(res);
584         }
585 
586         @ForceInline
587         @Override
588         public final
589         Long128Vector toVector() {
590             return (Long128Vector) super.toVectorTemplate();  // specialize
591         }
592 
593         /**
594          * Helper function for lane-wise mask conversions.
595          * This function kicks in after intrinsic failure.
596          */
597         @ForceInline
598         private final <E>
599         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
600             if (length() != dsp.laneCount())
601                 throw new IllegalArgumentException("VectorMask length and species length differ");
602             boolean[] maskArray = toArray();
603             return  dsp.maskFactory(maskArray).check(dsp);
604         }
605 
606         @Override
607         @ForceInline
608         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
609             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
610             if (length() != species.laneCount())
611                 throw new IllegalArgumentException("VectorMask length and species length differ");
612 
613             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
614                 this.getClass(), ETYPE, VLENGTH,
615                 species.maskType(), species.elementType(), VLENGTH,
616                 this, species,
617                 (m, s) -> s.maskFactory(m.toArray()).check(s));
618         }
619 
620         @Override
621         @ForceInline
622         public Long128Mask eq(VectorMask<Long> mask) {
623             Objects.requireNonNull(mask);
624             Long128Mask m = (Long128Mask)mask;
625             return xor(m.not());
626         }
627 
628         // Unary operations
629 
630         @Override
631         @ForceInline
632         public Long128Mask not() {
633             return xor(maskAll(true));
634         }
635 
636         // Binary operations
637 
638         @Override
639         @ForceInline
640         public Long128Mask and(VectorMask<Long> mask) {
641             Objects.requireNonNull(mask);
642             Long128Mask m = (Long128Mask)mask;
643             return VectorSupport.binaryOp(VECTOR_OP_AND, Long128Mask.class, null, long.class, VLENGTH,
644                                           this, m, null,
645                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
646         }
647 
648         @Override
649         @ForceInline
650         public Long128Mask or(VectorMask<Long> mask) {
651             Objects.requireNonNull(mask);
652             Long128Mask m = (Long128Mask)mask;
653             return VectorSupport.binaryOp(VECTOR_OP_OR, Long128Mask.class, null, long.class, VLENGTH,
654                                           this, m, null,
655                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
656         }
657 
658         @ForceInline
659         /* package-private */
660         Long128Mask xor(VectorMask<Long> mask) {
661             Objects.requireNonNull(mask);
662             Long128Mask m = (Long128Mask)mask;
663             return VectorSupport.binaryOp(VECTOR_OP_XOR, Long128Mask.class, null, long.class, VLENGTH,
664                                           this, m, null,
665                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
666         }
667 
668         // Mask Query operations
669 
670         @Override
671         @ForceInline
672         public int trueCount() {
673             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Long128Mask.class, long.class, VLENGTH, this,
674                                                       (m) -> trueCountHelper(m.getBits()));
675         }
676 
677         @Override
678         @ForceInline
679         public int firstTrue() {
680             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Long128Mask.class, long.class, VLENGTH, this,
681                                                       (m) -> firstTrueHelper(m.getBits()));
682         }
683 
684         @Override
685         @ForceInline
686         public int lastTrue() {
687             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Long128Mask.class, long.class, VLENGTH, this,
688                                                       (m) -> lastTrueHelper(m.getBits()));
689         }
690 
691         @Override
692         @ForceInline
693         public long toLong() {
694             if (length() > Long.SIZE) {
695                 throw new UnsupportedOperationException("too many lanes for one long");
696             }
697             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Long128Mask.class, long.class, VLENGTH, this,
698                                                       (m) -> toLongHelper(m.getBits()));
699         }
700 
701         // Reductions
702 
703         @Override
704         @ForceInline
705         public boolean anyTrue() {
706             return VectorSupport.test(BT_ne, Long128Mask.class, long.class, VLENGTH,
707                                          this, vspecies().maskAll(true),
708                                          (m, __) -> anyTrueHelper(((Long128Mask)m).getBits()));
709         }
710 
711         @Override
712         @ForceInline
713         public boolean allTrue() {
714             return VectorSupport.test(BT_overflow, Long128Mask.class, long.class, VLENGTH,
715                                          this, vspecies().maskAll(true),
716                                          (m, __) -> allTrueHelper(((Long128Mask)m).getBits()));
717         }
718 
719         @ForceInline
720         /*package-private*/
721         static Long128Mask maskAll(boolean bit) {
722             return VectorSupport.broadcastCoerced(Long128Mask.class, long.class, VLENGTH,
723                                                   (bit ? -1 : 0), null,
724                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
725         }
726         private static final Long128Mask  TRUE_MASK = new Long128Mask(true);
727         private static final Long128Mask FALSE_MASK = new Long128Mask(false);
728 
729     }
730 
731     // Shuffle
732 
733     static final class Long128Shuffle extends AbstractShuffle<Long> {
734         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
735         static final Class<Long> ETYPE = long.class; // used by the JVM
736 
737         Long128Shuffle(byte[] reorder) {
738             super(VLENGTH, reorder);
739         }
740 
741         public Long128Shuffle(int[] reorder) {
742             super(VLENGTH, reorder);
743         }
744 
745         public Long128Shuffle(int[] reorder, int i) {
746             super(VLENGTH, reorder, i);
747         }
748 
749         public Long128Shuffle(IntUnaryOperator fn) {
750             super(VLENGTH, fn);
751         }
752 
753         @Override
754         public LongSpecies vspecies() {
755             return VSPECIES;
756         }
757 
758         static {
759             // There must be enough bits in the shuffle lanes to encode
760             // VLENGTH valid indexes and VLENGTH exceptional ones.
761             assert(VLENGTH < Byte.MAX_VALUE);
762             assert(Byte.MIN_VALUE <= -VLENGTH);
763         }
764         static final Long128Shuffle IOTA = new Long128Shuffle(IDENTITY);
765 
766         @Override
767         @ForceInline
768         public Long128Vector toVector() {
769             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Long128Shuffle.class, this, VLENGTH,
770                                                     (s) -> ((Long128Vector)(((AbstractShuffle<Long>)(s)).toVectorTemplate())));
771         }
772 
773         @Override
774         @ForceInline
775         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
776             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
777             if (length() != species.laneCount())
778                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
779             int[] shuffleArray = toArray();
780             return s.shuffleFromArray(shuffleArray, 0).check(s);
781         }
782 
783         @ForceInline
784         @Override
785         public Long128Shuffle rearrange(VectorShuffle<Long> shuffle) {
786             Long128Shuffle s = (Long128Shuffle) shuffle;
787             byte[] reorder1 = reorder();
788             byte[] reorder2 = s.reorder();
789             byte[] r = new byte[reorder1.length];
790             for (int i = 0; i < reorder1.length; i++) {
791                 int ssi = reorder2[i];
792                 r[i] = reorder1[ssi];  // throws on exceptional index
793             }
794             return new Long128Shuffle(r);
795         }
796     }
797 
798     // ================================================
799 
800     // Specialized low-level memory operations.
801 
802     @ForceInline
803     @Override
804     final
805     LongVector fromArray0(long[] a, int offset) {
806         return super.fromArray0Template(a, offset);  // specialize
807     }
808 
809     @ForceInline
810     @Override
811     final
812     LongVector fromArray0(long[] a, int offset, VectorMask<Long> m) {
813         return super.fromArray0Template(Long128Mask.class, a, offset, (Long128Mask) m);  // specialize
814     }
815 
816     @ForceInline
817     @Override
818     final
819     LongVector fromArray0(long[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Long> m) {
820         return super.fromArray0Template(Long128Mask.class, a, offset, indexMap, mapOffset, (Long128Mask) m);
821     }
822 
823 
824 
825     @ForceInline
826     @Override
827     final
828     LongVector fromByteArray0(byte[] a, int offset) {
829         return super.fromByteArray0Template(a, offset);  // specialize
830     }
831 
832     @ForceInline
833     @Override
834     final
835     LongVector fromByteArray0(byte[] a, int offset, VectorMask<Long> m) {
836         return super.fromByteArray0Template(Long128Mask.class, a, offset, (Long128Mask) m);  // specialize
837     }
838 
839     @ForceInline
840     @Override
841     final
842     LongVector fromByteBuffer0(ByteBuffer bb, int offset) {
843         return super.fromByteBuffer0Template(bb, offset);  // specialize
844     }
845 
846     @ForceInline
847     @Override
848     final
849     LongVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Long> m) {
850         return super.fromByteBuffer0Template(Long128Mask.class, bb, offset, (Long128Mask) m);  // specialize
851     }
852 
853     @ForceInline
854     @Override
855     final
856     void intoArray0(long[] a, int offset) {
857         super.intoArray0Template(a, offset);  // specialize
858     }
859 
860     @ForceInline
861     @Override
862     final
863     void intoArray0(long[] a, int offset, VectorMask<Long> m) {
864         super.intoArray0Template(Long128Mask.class, a, offset, (Long128Mask) m);
865     }
866 
867     @ForceInline
868     @Override
869     final
870     void intoArray0(long[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Long> m) {
871         super.intoArray0Template(Long128Mask.class, a, offset, indexMap, mapOffset, (Long128Mask) m);
872     }
873 
874 
875     @ForceInline
876     @Override
877     final
878     void intoByteArray0(byte[] a, int offset) {
879         super.intoByteArray0Template(a, offset);  // specialize
880     }
881 
882     @ForceInline
883     @Override
884     final
885     void intoByteArray0(byte[] a, int offset, VectorMask<Long> m) {
886         super.intoByteArray0Template(Long128Mask.class, a, offset, (Long128Mask) m);  // specialize
887     }
888 
889     @ForceInline
890     @Override
891     final
892     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Long> m) {
893         super.intoByteBuffer0Template(Long128Mask.class, bb, offset, (Long128Mask) m);
894     }
895 
896 
897     // End of specialized low-level memory operations.
898 
899     // ================================================
900 
901 }