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 Double128Vector extends DoubleVector {
 43     static final DoubleSpecies VSPECIES =
 44         (DoubleSpecies) DoubleVector.SPECIES_128;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Double128Vector> VCLASS = Double128Vector.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<Double> ETYPE = double.class; // used by the JVM
 56 
 57     Double128Vector(double[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Double128Vector::new,
 62     // stored into species.vectorFactory.
 63     Double128Vector(Object v) {
 64         this((double[]) v);
 65     }
 66 
 67     static final Double128Vector ZERO = new Double128Vector(new double[VLENGTH]);
 68     static final Double128Vector IOTA = new Double128Vector(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 DoubleSpecies 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<Double> elementType() { return double.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Double.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     double[] vec() {
117         return (double[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Double128Vector broadcast(double e) {
125         return (Double128Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Double128Vector broadcast(long e) {
131         return (Double128Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Double128Mask maskFromArray(boolean[] bits) {
137         return new Double128Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Double128Shuffle iotaShuffle() { return Double128Shuffle.IOTA; }
143 
144     @ForceInline
145     Double128Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Double128Shuffle)VectorSupport.shuffleIota(ETYPE, Double128Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Double128Shuffle)VectorSupport.shuffleIota(ETYPE, Double128Shuffle.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     Double128Shuffle shuffleFromBytes(byte[] reorder) { return new Double128Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Double128Shuffle shuffleFromArray(int[] indexes, int i) { return new Double128Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Double128Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Double128Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Double128Vector vectorFactory(double[] vec) {
171         return new Double128Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte128Vector asByteVectorRaw() {
177         return (Byte128Vector) 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     Double128Vector uOp(FUnOp f) {
191         return (Double128Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Double128Vector uOp(VectorMask<Double> m, FUnOp f) {
197         return (Double128Vector)
198             super.uOpTemplate((Double128Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Double128Vector bOp(Vector<Double> v, FBinOp f) {
206         return (Double128Vector) super.bOpTemplate((Double128Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Double128Vector bOp(Vector<Double> v,
212                      VectorMask<Double> m, FBinOp f) {
213         return (Double128Vector)
214             super.bOpTemplate((Double128Vector)v, (Double128Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Double128Vector tOp(Vector<Double> v1, Vector<Double> v2, FTriOp f) {
223         return (Double128Vector)
224             super.tOpTemplate((Double128Vector)v1, (Double128Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Double128Vector tOp(Vector<Double> v1, Vector<Double> v2,
231                      VectorMask<Double> m, FTriOp f) {
232         return (Double128Vector)
233             super.tOpTemplate((Double128Vector)v1, (Double128Vector)v2,
234                               (Double128Mask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     double rOp(double v, VectorMask<Double> 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<Double,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 Double128Vector lanewise(Unary op) {
273         return (Double128Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Double128Vector lanewise(Unary op, VectorMask<Double> m) {
279         return (Double128Vector) super.lanewiseTemplate(op, Double128Mask.class, (Double128Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Double128Vector lanewise(Binary op, Vector<Double> v) {
285         return (Double128Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Double128Vector lanewise(Binary op, Vector<Double> v, VectorMask<Double> m) {
291         return (Double128Vector) super.lanewiseTemplate(op, Double128Mask.class, v, (Double128Mask) m);  // specialize
292     }
293 
294 
295     /*package-private*/
296     @Override
297     @ForceInline
298     public final
299     Double128Vector
300     lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2) {
301         return (Double128Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
302     }
303 
304     @Override
305     @ForceInline
306     public final
307     Double128Vector
308     lanewise(Ternary op, Vector<Double> v1, Vector<Double> v2, VectorMask<Double> m) {
309         return (Double128Vector) super.lanewiseTemplate(op, Double128Mask.class, v1, v2, (Double128Mask) m);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     Double128Vector addIndex(int scale) {
316         return (Double128Vector) super.addIndexTemplate(scale);  // specialize
317     }
318 
319     // Type specific horizontal reductions
320 
321     @Override
322     @ForceInline
323     public final double reduceLanes(VectorOperators.Associative op) {
324         return super.reduceLanesTemplate(op);  // specialized
325     }
326 
327     @Override
328     @ForceInline
329     public final double reduceLanes(VectorOperators.Associative op,
330                                     VectorMask<Double> m) {
331         return super.reduceLanesTemplate(op, Double128Mask.class, (Double128Mask) m);  // specialized
332     }
333 
334     @Override
335     @ForceInline
336     public final long reduceLanesToLong(VectorOperators.Associative op) {
337         return (long) super.reduceLanesTemplate(op);  // specialized
338     }
339 
340     @Override
341     @ForceInline
342     public final long reduceLanesToLong(VectorOperators.Associative op,
343                                         VectorMask<Double> m) {
344         return (long) super.reduceLanesTemplate(op, Double128Mask.class, (Double128Mask) m);  // specialized
345     }
346 
347     @ForceInline
348     public VectorShuffle<Double> toShuffle() {
349         return super.toShuffleTemplate(Double128Shuffle.class); // specialize
350     }
351 
352     // Specialized unary testing
353 
354     @Override
355     @ForceInline
356     public final Double128Mask test(Test op) {
357         return super.testTemplate(Double128Mask.class, op);  // specialize
358     }
359 
360     // Specialized comparisons
361 
362     @Override
363     @ForceInline
364     public final Double128Mask compare(Comparison op, Vector<Double> v) {
365         return super.compareTemplate(Double128Mask.class, op, v);  // specialize
366     }
367 
368     @Override
369     @ForceInline
370     public final Double128Mask compare(Comparison op, double s) {
371         return super.compareTemplate(Double128Mask.class, op, s);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final Double128Mask compare(Comparison op, long s) {
377         return super.compareTemplate(Double128Mask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final Double128Mask compare(Comparison op, Vector<Double> v, VectorMask<Double> m) {
383         return super.compareTemplate(Double128Mask.class, op, v, (Double128Mask) m);
384     }
385 
386 
387     @Override
388     @ForceInline
389     public Double128Vector blend(Vector<Double> v, VectorMask<Double> m) {
390         return (Double128Vector)
391             super.blendTemplate(Double128Mask.class,
392                                 (Double128Vector) v,
393                                 (Double128Mask) m);  // specialize
394     }
395 
396     @Override
397     @ForceInline
398     public Double128Vector slice(int origin, Vector<Double> v) {
399         return (Double128Vector) super.sliceTemplate(origin, v);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Double128Vector slice(int origin) {
405         return (Double128Vector) super.sliceTemplate(origin);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public Double128Vector unslice(int origin, Vector<Double> w, int part) {
411         return (Double128Vector) super.unsliceTemplate(origin, w, part);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public Double128Vector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
417         return (Double128Vector)
418             super.unsliceTemplate(Double128Mask.class,
419                                   origin, w, part,
420                                   (Double128Mask) m);  // specialize
421     }
422 
423     @Override
424     @ForceInline
425     public Double128Vector unslice(int origin) {
426         return (Double128Vector) super.unsliceTemplate(origin);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public Double128Vector rearrange(VectorShuffle<Double> s) {
432         return (Double128Vector)
433             super.rearrangeTemplate(Double128Shuffle.class,
434                                     (Double128Shuffle) s);  // specialize
435     }
436 
437     @Override
438     @ForceInline
439     public Double128Vector rearrange(VectorShuffle<Double> shuffle,
440                                   VectorMask<Double> m) {
441         return (Double128Vector)
442             super.rearrangeTemplate(Double128Shuffle.class,
443                                     Double128Mask.class,
444                                     (Double128Shuffle) shuffle,
445                                     (Double128Mask) m);  // specialize
446     }
447 
448     @Override
449     @ForceInline
450     public Double128Vector rearrange(VectorShuffle<Double> s,
451                                   Vector<Double> v) {
452         return (Double128Vector)
453             super.rearrangeTemplate(Double128Shuffle.class,
454                                     (Double128Shuffle) s,
455                                     (Double128Vector) v);  // specialize
456     }
457 
458     @Override
459     @ForceInline
460     public Double128Vector selectFrom(Vector<Double> v) {
461         return (Double128Vector)
462             super.selectFromTemplate((Double128Vector) v);  // specialize
463     }
464 
465     @Override
466     @ForceInline
467     public Double128Vector selectFrom(Vector<Double> v,
468                                    VectorMask<Double> m) {
469         return (Double128Vector)
470             super.selectFromTemplate((Double128Vector) v,
471                                      (Double128Mask) m);  // specialize
472     }
473 
474 
475     @ForceInline
476     @Override
477     public double lane(int i) {
478         long bits;
479         switch(i) {
480             case 0: bits = laneHelper(0); break;
481             case 1: bits = laneHelper(1); break;
482             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
483         }
484         return Double.longBitsToDouble(bits);
485     }
486 
487     public long laneHelper(int i) {
488         return (long) VectorSupport.extract(
489                      VCLASS, ETYPE, VLENGTH,
490                      this, i,
491                      (vec, ix) -> {
492                      double[] vecarr = vec.vec();
493                      return (long)Double.doubleToLongBits(vecarr[ix]);
494                      });
495     }
496 
497     @ForceInline
498     @Override
499     public Double128Vector withLane(int i, double e) {
500         switch(i) {
501             case 0: return withLaneHelper(0, e);
502             case 1: return withLaneHelper(1, e);
503             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
504         }
505     }
506 
507     public Double128Vector withLaneHelper(int i, double e) {
508         return VectorSupport.insert(
509                                 VCLASS, ETYPE, VLENGTH,
510                                 this, i, (long)Double.doubleToLongBits(e),
511                                 (v, ix, bits) -> {
512                                     double[] res = v.vec().clone();
513                                     res[ix] = Double.longBitsToDouble((long)bits);
514                                     return v.vectorFactory(res);
515                                 });
516     }
517 
518     // Mask
519 
520     static final class Double128Mask extends AbstractMask<Double> {
521         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
522         static final Class<Double> ETYPE = double.class; // used by the JVM
523 
524         Double128Mask(boolean[] bits) {
525             this(bits, 0);
526         }
527 
528         Double128Mask(boolean[] bits, int offset) {
529             super(prepare(bits, offset));
530         }
531 
532         Double128Mask(boolean val) {
533             super(prepare(val));
534         }
535 
536         private static boolean[] prepare(boolean[] bits, int offset) {
537             boolean[] newBits = new boolean[VSPECIES.laneCount()];
538             for (int i = 0; i < newBits.length; i++) {
539                 newBits[i] = bits[offset + i];
540             }
541             return newBits;
542         }
543 
544         private static boolean[] prepare(boolean val) {
545             boolean[] bits = new boolean[VSPECIES.laneCount()];
546             Arrays.fill(bits, val);
547             return bits;
548         }
549 
550         @ForceInline
551         final @Override
552         public DoubleSpecies vspecies() {
553             // ISSUE:  This should probably be a @Stable
554             // field inside AbstractMask, rather than
555             // a megamorphic method.
556             return VSPECIES;
557         }
558 
559         @ForceInline
560         boolean[] getBits() {
561             return (boolean[])getPayload();
562         }
563 
564         @Override
565         Double128Mask uOp(MUnOp f) {
566             boolean[] res = new boolean[vspecies().laneCount()];
567             boolean[] bits = getBits();
568             for (int i = 0; i < res.length; i++) {
569                 res[i] = f.apply(i, bits[i]);
570             }
571             return new Double128Mask(res);
572         }
573 
574         @Override
575         Double128Mask bOp(VectorMask<Double> m, MBinOp f) {
576             boolean[] res = new boolean[vspecies().laneCount()];
577             boolean[] bits = getBits();
578             boolean[] mbits = ((Double128Mask)m).getBits();
579             for (int i = 0; i < res.length; i++) {
580                 res[i] = f.apply(i, bits[i], mbits[i]);
581             }
582             return new Double128Mask(res);
583         }
584 
585         @ForceInline
586         @Override
587         public final
588         Double128Vector toVector() {
589             return (Double128Vector) super.toVectorTemplate();  // specialize
590         }
591 
592         /**
593          * Helper function for lane-wise mask conversions.
594          * This function kicks in after intrinsic failure.
595          */
596         @ForceInline
597         private final <E>
598         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
599             if (length() != dsp.laneCount())
600                 throw new IllegalArgumentException("VectorMask length and species length differ");
601             boolean[] maskArray = toArray();
602             return  dsp.maskFactory(maskArray).check(dsp);
603         }
604 
605         @Override
606         @ForceInline
607         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
608             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
609             if (length() != species.laneCount())
610                 throw new IllegalArgumentException("VectorMask length and species length differ");
611 
612             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
613                 this.getClass(), ETYPE, VLENGTH,
614                 species.maskType(), species.elementType(), VLENGTH,
615                 this, species,
616                 (m, s) -> s.maskFactory(m.toArray()).check(s));
617         }
618 
619         @Override
620         @ForceInline
621         public Double128Mask eq(VectorMask<Double> mask) {
622             Objects.requireNonNull(mask);
623             Double128Mask m = (Double128Mask)mask;
624             return xor(m.not());
625         }
626 
627         // Unary operations
628 
629         @Override
630         @ForceInline
631         public Double128Mask not() {
632             return xor(maskAll(true));
633         }
634 
635         // Binary operations
636 
637         @Override
638         @ForceInline
639         public Double128Mask and(VectorMask<Double> mask) {
640             Objects.requireNonNull(mask);
641             Double128Mask m = (Double128Mask)mask;
642             return VectorSupport.binaryOp(VECTOR_OP_AND, Double128Mask.class, null, long.class, VLENGTH,
643                                           this, m, null,
644                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
645         }
646 
647         @Override
648         @ForceInline
649         public Double128Mask or(VectorMask<Double> mask) {
650             Objects.requireNonNull(mask);
651             Double128Mask m = (Double128Mask)mask;
652             return VectorSupport.binaryOp(VECTOR_OP_OR, Double128Mask.class, null, long.class, VLENGTH,
653                                           this, m, null,
654                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
655         }
656 
657         @ForceInline
658         /* package-private */
659         Double128Mask xor(VectorMask<Double> mask) {
660             Objects.requireNonNull(mask);
661             Double128Mask m = (Double128Mask)mask;
662             return VectorSupport.binaryOp(VECTOR_OP_XOR, Double128Mask.class, null, long.class, VLENGTH,
663                                           this, m, null,
664                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
665         }
666 
667         // Mask Query operations
668 
669         @Override
670         @ForceInline
671         public int trueCount() {
672             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Double128Mask.class, long.class, VLENGTH, this,
673                                                       (m) -> trueCountHelper(m.getBits()));
674         }
675 
676         @Override
677         @ForceInline
678         public int firstTrue() {
679             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Double128Mask.class, long.class, VLENGTH, this,
680                                                       (m) -> firstTrueHelper(m.getBits()));
681         }
682 
683         @Override
684         @ForceInline
685         public int lastTrue() {
686             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Double128Mask.class, long.class, VLENGTH, this,
687                                                       (m) -> lastTrueHelper(m.getBits()));
688         }
689 
690         @Override
691         @ForceInline
692         public long toLong() {
693             if (length() > Long.SIZE) {
694                 throw new UnsupportedOperationException("too many lanes for one long");
695             }
696             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Double128Mask.class, long.class, VLENGTH, this,
697                                                       (m) -> toLongHelper(m.getBits()));
698         }
699 
700         // Reductions
701 
702         @Override
703         @ForceInline
704         public boolean anyTrue() {
705             return VectorSupport.test(BT_ne, Double128Mask.class, long.class, VLENGTH,
706                                          this, vspecies().maskAll(true),
707                                          (m, __) -> anyTrueHelper(((Double128Mask)m).getBits()));
708         }
709 
710         @Override
711         @ForceInline
712         public boolean allTrue() {
713             return VectorSupport.test(BT_overflow, Double128Mask.class, long.class, VLENGTH,
714                                          this, vspecies().maskAll(true),
715                                          (m, __) -> allTrueHelper(((Double128Mask)m).getBits()));
716         }
717 
718         @ForceInline
719         /*package-private*/
720         static Double128Mask maskAll(boolean bit) {
721             return VectorSupport.broadcastCoerced(Double128Mask.class, long.class, VLENGTH,
722                                                   (bit ? -1 : 0), null,
723                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
724         }
725         private static final Double128Mask  TRUE_MASK = new Double128Mask(true);
726         private static final Double128Mask FALSE_MASK = new Double128Mask(false);
727 
728     }
729 
730     // Shuffle
731 
732     static final class Double128Shuffle extends AbstractShuffle<Double> {
733         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
734         static final Class<Double> ETYPE = double.class; // used by the JVM
735 
736         Double128Shuffle(byte[] reorder) {
737             super(VLENGTH, reorder);
738         }
739 
740         public Double128Shuffle(int[] reorder) {
741             super(VLENGTH, reorder);
742         }
743 
744         public Double128Shuffle(int[] reorder, int i) {
745             super(VLENGTH, reorder, i);
746         }
747 
748         public Double128Shuffle(IntUnaryOperator fn) {
749             super(VLENGTH, fn);
750         }
751 
752         @Override
753         public DoubleSpecies vspecies() {
754             return VSPECIES;
755         }
756 
757         static {
758             // There must be enough bits in the shuffle lanes to encode
759             // VLENGTH valid indexes and VLENGTH exceptional ones.
760             assert(VLENGTH < Byte.MAX_VALUE);
761             assert(Byte.MIN_VALUE <= -VLENGTH);
762         }
763         static final Double128Shuffle IOTA = new Double128Shuffle(IDENTITY);
764 
765         @Override
766         @ForceInline
767         public Double128Vector toVector() {
768             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Double128Shuffle.class, this, VLENGTH,
769                                                     (s) -> ((Double128Vector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
770         }
771 
772         @Override
773         @ForceInline
774         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
775             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
776             if (length() != species.laneCount())
777                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
778             int[] shuffleArray = toArray();
779             return s.shuffleFromArray(shuffleArray, 0).check(s);
780         }
781 
782         @ForceInline
783         @Override
784         public Double128Shuffle rearrange(VectorShuffle<Double> shuffle) {
785             Double128Shuffle s = (Double128Shuffle) shuffle;
786             byte[] reorder1 = reorder();
787             byte[] reorder2 = s.reorder();
788             byte[] r = new byte[reorder1.length];
789             for (int i = 0; i < reorder1.length; i++) {
790                 int ssi = reorder2[i];
791                 r[i] = reorder1[ssi];  // throws on exceptional index
792             }
793             return new Double128Shuffle(r);
794         }
795     }
796 
797     // ================================================
798 
799     // Specialized low-level memory operations.
800 
801     @ForceInline
802     @Override
803     final
804     DoubleVector fromArray0(double[] a, int offset) {
805         return super.fromArray0Template(a, offset);  // specialize
806     }
807 
808     @ForceInline
809     @Override
810     final
811     DoubleVector fromArray0(double[] a, int offset, VectorMask<Double> m) {
812         return super.fromArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
813     }
814 
815     @ForceInline
816     @Override
817     final
818     DoubleVector fromArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
819         return super.fromArray0Template(Double128Mask.class, a, offset, indexMap, mapOffset, (Double128Mask) m);
820     }
821 
822 
823 
824     @ForceInline
825     @Override
826     final
827     DoubleVector fromByteArray0(byte[] a, int offset) {
828         return super.fromByteArray0Template(a, offset);  // specialize
829     }
830 
831     @ForceInline
832     @Override
833     final
834     DoubleVector fromByteArray0(byte[] a, int offset, VectorMask<Double> m) {
835         return super.fromByteArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
836     }
837 
838     @ForceInline
839     @Override
840     final
841     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset) {
842         return super.fromByteBuffer0Template(bb, offset);  // specialize
843     }
844 
845     @ForceInline
846     @Override
847     final
848     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
849         return super.fromByteBuffer0Template(Double128Mask.class, bb, offset, (Double128Mask) m);  // specialize
850     }
851 
852     @ForceInline
853     @Override
854     final
855     void intoArray0(double[] a, int offset) {
856         super.intoArray0Template(a, offset);  // specialize
857     }
858 
859     @ForceInline
860     @Override
861     final
862     void intoArray0(double[] a, int offset, VectorMask<Double> m) {
863         super.intoArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);
864     }
865 
866     @ForceInline
867     @Override
868     final
869     void intoArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
870         super.intoArray0Template(Double128Mask.class, a, offset, indexMap, mapOffset, (Double128Mask) m);
871     }
872 
873 
874     @ForceInline
875     @Override
876     final
877     void intoByteArray0(byte[] a, int offset) {
878         super.intoByteArray0Template(a, offset);  // specialize
879     }
880 
881     @ForceInline
882     @Override
883     final
884     void intoByteArray0(byte[] a, int offset, VectorMask<Double> m) {
885         super.intoByteArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
886     }
887 
888     @ForceInline
889     @Override
890     final
891     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
892         super.intoByteBuffer0Template(Double128Mask.class, bb, offset, (Double128Mask) m);
893     }
894 
895 
896     // End of specialized low-level memory operations.
897 
898     // ================================================
899 
900 }