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.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     @Override
361     @ForceInline
362     public final Double128Mask test(Test op, VectorMask<Double> m) {
363         return super.testTemplate(Double128Mask.class, op, (Double128Mask) m);  // specialize
364     }
365 
366     // Specialized comparisons
367 
368     @Override
369     @ForceInline
370     public final Double128Mask compare(Comparison op, Vector<Double> v) {
371         return super.compareTemplate(Double128Mask.class, op, v);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final Double128Mask compare(Comparison op, double s) {
377         return super.compareTemplate(Double128Mask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final Double128Mask compare(Comparison op, long s) {
383         return super.compareTemplate(Double128Mask.class, op, s);  // specialize
384     }
385 
386     @Override
387     @ForceInline
388     public final Double128Mask compare(Comparison op, Vector<Double> v, VectorMask<Double> m) {
389         return super.compareTemplate(Double128Mask.class, op, v, (Double128Mask) m);
390     }
391 
392 
393     @Override
394     @ForceInline
395     public Double128Vector blend(Vector<Double> v, VectorMask<Double> m) {
396         return (Double128Vector)
397             super.blendTemplate(Double128Mask.class,
398                                 (Double128Vector) v,
399                                 (Double128Mask) m);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Double128Vector slice(int origin, Vector<Double> v) {
405         return (Double128Vector) super.sliceTemplate(origin, v);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public Double128Vector slice(int origin) {
411         return (Double128Vector) super.sliceTemplate(origin);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public Double128Vector unslice(int origin, Vector<Double> w, int part) {
417         return (Double128Vector) super.unsliceTemplate(origin, w, part);  // specialize
418     }
419 
420     @Override
421     @ForceInline
422     public Double128Vector unslice(int origin, Vector<Double> w, int part, VectorMask<Double> m) {
423         return (Double128Vector)
424             super.unsliceTemplate(Double128Mask.class,
425                                   origin, w, part,
426                                   (Double128Mask) m);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public Double128Vector unslice(int origin) {
432         return (Double128Vector) super.unsliceTemplate(origin);  // specialize
433     }
434 
435     @Override
436     @ForceInline
437     public Double128Vector rearrange(VectorShuffle<Double> s) {
438         return (Double128Vector)
439             super.rearrangeTemplate(Double128Shuffle.class,
440                                     (Double128Shuffle) s);  // specialize
441     }
442 
443     @Override
444     @ForceInline
445     public Double128Vector rearrange(VectorShuffle<Double> shuffle,
446                                   VectorMask<Double> m) {
447         return (Double128Vector)
448             super.rearrangeTemplate(Double128Shuffle.class,
449                                     Double128Mask.class,
450                                     (Double128Shuffle) shuffle,
451                                     (Double128Mask) m);  // specialize
452     }
453 
454     @Override
455     @ForceInline
456     public Double128Vector rearrange(VectorShuffle<Double> s,
457                                   Vector<Double> v) {
458         return (Double128Vector)
459             super.rearrangeTemplate(Double128Shuffle.class,
460                                     (Double128Shuffle) s,
461                                     (Double128Vector) v);  // specialize
462     }
463 
464     @Override
465     @ForceInline
466     public Double128Vector selectFrom(Vector<Double> v) {
467         return (Double128Vector)
468             super.selectFromTemplate((Double128Vector) v);  // specialize
469     }
470 
471     @Override
472     @ForceInline
473     public Double128Vector selectFrom(Vector<Double> v,
474                                    VectorMask<Double> m) {
475         return (Double128Vector)
476             super.selectFromTemplate((Double128Vector) v,
477                                      (Double128Mask) m);  // specialize
478     }
479 
480 
481     @ForceInline
482     @Override
483     public double lane(int i) {
484         long bits;
485         switch(i) {
486             case 0: bits = laneHelper(0); break;
487             case 1: bits = laneHelper(1); break;
488             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
489         }
490         return Double.longBitsToDouble(bits);
491     }
492 
493     public long laneHelper(int i) {
494         return (long) VectorSupport.extract(
495                      VCLASS, ETYPE, VLENGTH,
496                      this, i,
497                      (vec, ix) -> {
498                      double[] vecarr = vec.vec();
499                      return (long)Double.doubleToLongBits(vecarr[ix]);
500                      });
501     }
502 
503     @ForceInline
504     @Override
505     public Double128Vector withLane(int i, double e) {
506         switch(i) {
507             case 0: return withLaneHelper(0, e);
508             case 1: return withLaneHelper(1, e);
509             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
510         }
511     }
512 
513     public Double128Vector withLaneHelper(int i, double e) {
514         return VectorSupport.insert(
515                                 VCLASS, ETYPE, VLENGTH,
516                                 this, i, (long)Double.doubleToLongBits(e),
517                                 (v, ix, bits) -> {
518                                     double[] res = v.vec().clone();
519                                     res[ix] = Double.longBitsToDouble((long)bits);
520                                     return v.vectorFactory(res);
521                                 });
522     }
523 
524     // Mask
525 
526     static final class Double128Mask extends AbstractMask<Double> {
527         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
528         static final Class<Double> ETYPE = double.class; // used by the JVM
529 
530         Double128Mask(boolean[] bits) {
531             this(bits, 0);
532         }
533 
534         Double128Mask(boolean[] bits, int offset) {
535             super(prepare(bits, offset));
536         }
537 
538         Double128Mask(boolean val) {
539             super(prepare(val));
540         }
541 
542         private static boolean[] prepare(boolean[] bits, int offset) {
543             boolean[] newBits = new boolean[VSPECIES.laneCount()];
544             for (int i = 0; i < newBits.length; i++) {
545                 newBits[i] = bits[offset + i];
546             }
547             return newBits;
548         }
549 
550         private static boolean[] prepare(boolean val) {
551             boolean[] bits = new boolean[VSPECIES.laneCount()];
552             Arrays.fill(bits, val);
553             return bits;
554         }
555 
556         @ForceInline
557         final @Override
558         public DoubleSpecies vspecies() {
559             // ISSUE:  This should probably be a @Stable
560             // field inside AbstractMask, rather than
561             // a megamorphic method.
562             return VSPECIES;
563         }
564 
565         @ForceInline
566         boolean[] getBits() {
567             return (boolean[])getPayload();
568         }
569 
570         @Override
571         Double128Mask uOp(MUnOp f) {
572             boolean[] res = new boolean[vspecies().laneCount()];
573             boolean[] bits = getBits();
574             for (int i = 0; i < res.length; i++) {
575                 res[i] = f.apply(i, bits[i]);
576             }
577             return new Double128Mask(res);
578         }
579 
580         @Override
581         Double128Mask bOp(VectorMask<Double> m, MBinOp f) {
582             boolean[] res = new boolean[vspecies().laneCount()];
583             boolean[] bits = getBits();
584             boolean[] mbits = ((Double128Mask)m).getBits();
585             for (int i = 0; i < res.length; i++) {
586                 res[i] = f.apply(i, bits[i], mbits[i]);
587             }
588             return new Double128Mask(res);
589         }
590 
591         @ForceInline
592         @Override
593         public final
594         Double128Vector toVector() {
595             return (Double128Vector) super.toVectorTemplate();  // specialize
596         }
597 
598         /**
599          * Helper function for lane-wise mask conversions.
600          * This function kicks in after intrinsic failure.
601          */
602         @ForceInline
603         private final <E>
604         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
605             if (length() != dsp.laneCount())
606                 throw new IllegalArgumentException("VectorMask length and species length differ");
607             boolean[] maskArray = toArray();
608             return  dsp.maskFactory(maskArray).check(dsp);
609         }
610 
611         @Override
612         @ForceInline
613         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
614             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
615             if (length() != species.laneCount())
616                 throw new IllegalArgumentException("VectorMask length and species length differ");
617 
618             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
619                 this.getClass(), ETYPE, VLENGTH,
620                 species.maskType(), species.elementType(), VLENGTH,
621                 this, species,
622                 (m, s) -> s.maskFactory(m.toArray()).check(s));
623         }
624 
625         @Override
626         @ForceInline
627         public Double128Mask eq(VectorMask<Double> mask) {
628             Objects.requireNonNull(mask);
629             Double128Mask m = (Double128Mask)mask;
630             return xor(m.not());
631         }
632 
633         // Unary operations
634 
635         @Override
636         @ForceInline
637         public Double128Mask not() {
638             return xor(maskAll(true));
639         }
640 
641         // Binary operations
642 
643         @Override
644         @ForceInline
645         public Double128Mask and(VectorMask<Double> mask) {
646             Objects.requireNonNull(mask);
647             Double128Mask m = (Double128Mask)mask;
648             return VectorSupport.binaryOp(VECTOR_OP_AND, Double128Mask.class, null, long.class, VLENGTH,
649                                           this, m, null,
650                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
651         }
652 
653         @Override
654         @ForceInline
655         public Double128Mask or(VectorMask<Double> mask) {
656             Objects.requireNonNull(mask);
657             Double128Mask m = (Double128Mask)mask;
658             return VectorSupport.binaryOp(VECTOR_OP_OR, Double128Mask.class, null, long.class, VLENGTH,
659                                           this, m, null,
660                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
661         }
662 
663         @ForceInline
664         /* package-private */
665         Double128Mask xor(VectorMask<Double> mask) {
666             Objects.requireNonNull(mask);
667             Double128Mask m = (Double128Mask)mask;
668             return VectorSupport.binaryOp(VECTOR_OP_XOR, Double128Mask.class, null, long.class, VLENGTH,
669                                           this, m, null,
670                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
671         }
672 
673         // Mask Query operations
674 
675         @Override
676         @ForceInline
677         public int trueCount() {
678             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Double128Mask.class, long.class, VLENGTH, this,
679                                                       (m) -> trueCountHelper(m.getBits()));
680         }
681 
682         @Override
683         @ForceInline
684         public int firstTrue() {
685             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Double128Mask.class, long.class, VLENGTH, this,
686                                                       (m) -> firstTrueHelper(m.getBits()));
687         }
688 
689         @Override
690         @ForceInline
691         public int lastTrue() {
692             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Double128Mask.class, long.class, VLENGTH, this,
693                                                       (m) -> lastTrueHelper(m.getBits()));
694         }
695 
696         @Override
697         @ForceInline
698         public long toLong() {
699             if (length() > Long.SIZE) {
700                 throw new UnsupportedOperationException("too many lanes for one long");
701             }
702             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Double128Mask.class, long.class, VLENGTH, this,
703                                                       (m) -> toLongHelper(m.getBits()));
704         }
705 
706         // Reductions
707 
708         @Override
709         @ForceInline
710         public boolean anyTrue() {
711             return VectorSupport.test(BT_ne, Double128Mask.class, long.class, VLENGTH,
712                                          this, vspecies().maskAll(true),
713                                          (m, __) -> anyTrueHelper(((Double128Mask)m).getBits()));
714         }
715 
716         @Override
717         @ForceInline
718         public boolean allTrue() {
719             return VectorSupport.test(BT_overflow, Double128Mask.class, long.class, VLENGTH,
720                                          this, vspecies().maskAll(true),
721                                          (m, __) -> allTrueHelper(((Double128Mask)m).getBits()));
722         }
723 
724         @ForceInline
725         /*package-private*/
726         static Double128Mask maskAll(boolean bit) {
727             return VectorSupport.fromBitsCoerced(Double128Mask.class, long.class, VLENGTH,
728                                                  (bit ? -1 : 0), MODE_BROADCAST, null,
729                                                  (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
730         }
731         private static final Double128Mask  TRUE_MASK = new Double128Mask(true);
732         private static final Double128Mask FALSE_MASK = new Double128Mask(false);
733 
734     }
735 
736     // Shuffle
737 
738     static final class Double128Shuffle extends AbstractShuffle<Double> {
739         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
740         static final Class<Double> ETYPE = double.class; // used by the JVM
741 
742         Double128Shuffle(byte[] reorder) {
743             super(VLENGTH, reorder);
744         }
745 
746         public Double128Shuffle(int[] reorder) {
747             super(VLENGTH, reorder);
748         }
749 
750         public Double128Shuffle(int[] reorder, int i) {
751             super(VLENGTH, reorder, i);
752         }
753 
754         public Double128Shuffle(IntUnaryOperator fn) {
755             super(VLENGTH, fn);
756         }
757 
758         @Override
759         public DoubleSpecies vspecies() {
760             return VSPECIES;
761         }
762 
763         static {
764             // There must be enough bits in the shuffle lanes to encode
765             // VLENGTH valid indexes and VLENGTH exceptional ones.
766             assert(VLENGTH < Byte.MAX_VALUE);
767             assert(Byte.MIN_VALUE <= -VLENGTH);
768         }
769         static final Double128Shuffle IOTA = new Double128Shuffle(IDENTITY);
770 
771         @Override
772         @ForceInline
773         public Double128Vector toVector() {
774             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Double128Shuffle.class, this, VLENGTH,
775                                                     (s) -> ((Double128Vector)(((AbstractShuffle<Double>)(s)).toVectorTemplate())));
776         }
777 
778         @Override
779         @ForceInline
780         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
781             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
782             if (length() != species.laneCount())
783                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
784             int[] shuffleArray = toArray();
785             return s.shuffleFromArray(shuffleArray, 0).check(s);
786         }
787 
788         @ForceInline
789         @Override
790         public Double128Shuffle rearrange(VectorShuffle<Double> shuffle) {
791             Double128Shuffle s = (Double128Shuffle) shuffle;
792             byte[] reorder1 = reorder();
793             byte[] reorder2 = s.reorder();
794             byte[] r = new byte[reorder1.length];
795             for (int i = 0; i < reorder1.length; i++) {
796                 int ssi = reorder2[i];
797                 r[i] = reorder1[ssi];  // throws on exceptional index
798             }
799             return new Double128Shuffle(r);
800         }
801     }
802 
803     // ================================================
804 
805     // Specialized low-level memory operations.
806 
807     @ForceInline
808     @Override
809     final
810     DoubleVector fromArray0(double[] a, int offset) {
811         return super.fromArray0Template(a, offset);  // specialize
812     }
813 
814     @ForceInline
815     @Override
816     final
817     DoubleVector fromArray0(double[] a, int offset, VectorMask<Double> m) {
818         return super.fromArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
819     }
820 
821     @ForceInline
822     @Override
823     final
824     DoubleVector fromArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
825         return super.fromArray0Template(Double128Mask.class, a, offset, indexMap, mapOffset, (Double128Mask) m);
826     }
827 
828 
829 
830     @ForceInline
831     @Override
832     final
833     DoubleVector fromByteArray0(byte[] a, int offset) {
834         return super.fromByteArray0Template(a, offset);  // specialize
835     }
836 
837     @ForceInline
838     @Override
839     final
840     DoubleVector fromByteArray0(byte[] a, int offset, VectorMask<Double> m) {
841         return super.fromByteArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
842     }
843 
844     @ForceInline
845     @Override
846     final
847     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset) {
848         return super.fromByteBuffer0Template(bb, offset);  // specialize
849     }
850 
851     @ForceInline
852     @Override
853     final
854     DoubleVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
855         return super.fromByteBuffer0Template(Double128Mask.class, bb, offset, (Double128Mask) m);  // specialize
856     }
857 
858     @ForceInline
859     @Override
860     final
861     void intoArray0(double[] a, int offset) {
862         super.intoArray0Template(a, offset);  // specialize
863     }
864 
865     @ForceInline
866     @Override
867     final
868     void intoArray0(double[] a, int offset, VectorMask<Double> m) {
869         super.intoArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);
870     }
871 
872     @ForceInline
873     @Override
874     final
875     void intoArray0(double[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Double> m) {
876         super.intoArray0Template(Double128Mask.class, a, offset, indexMap, mapOffset, (Double128Mask) m);
877     }
878 
879 
880     @ForceInline
881     @Override
882     final
883     void intoByteArray0(byte[] a, int offset) {
884         super.intoByteArray0Template(a, offset);  // specialize
885     }
886 
887     @ForceInline
888     @Override
889     final
890     void intoByteArray0(byte[] a, int offset, VectorMask<Double> m) {
891         super.intoByteArray0Template(Double128Mask.class, a, offset, (Double128Mask) m);  // specialize
892     }
893 
894     @ForceInline
895     @Override
896     final
897     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Double> m) {
898         super.intoByteBuffer0Template(Double128Mask.class, bb, offset, (Double128Mask) m);
899     }
900 
901 
902     // End of specialized low-level memory operations.
903 
904     // ================================================
905 
906 }