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 Float512Vector extends FloatVector {
 43     static final FloatSpecies VSPECIES =
 44         (FloatSpecies) FloatVector.SPECIES_512;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Float512Vector> VCLASS = Float512Vector.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<Float> ETYPE = float.class; // used by the JVM
 56 
 57     Float512Vector(float[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Float512Vector::new,
 62     // stored into species.vectorFactory.
 63     Float512Vector(Object v) {
 64         this((float[]) v);
 65     }
 66 
 67     static final Float512Vector ZERO = new Float512Vector(new float[VLENGTH]);
 68     static final Float512Vector IOTA = new Float512Vector(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 FloatSpecies 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<Float> elementType() { return float.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Float.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     float[] vec() {
117         return (float[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Float512Vector broadcast(float e) {
125         return (Float512Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Float512Vector broadcast(long e) {
131         return (Float512Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Float512Mask maskFromArray(boolean[] bits) {
137         return new Float512Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Float512Shuffle iotaShuffle() { return Float512Shuffle.IOTA; }
143 
144     @ForceInline
145     Float512Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Float512Shuffle)VectorSupport.shuffleIota(ETYPE, Float512Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Float512Shuffle)VectorSupport.shuffleIota(ETYPE, Float512Shuffle.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     Float512Shuffle shuffleFromBytes(byte[] reorder) { return new Float512Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Float512Shuffle shuffleFromArray(int[] indexes, int i) { return new Float512Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Float512Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Float512Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Float512Vector vectorFactory(float[] vec) {
171         return new Float512Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte512Vector asByteVectorRaw() {
177         return (Byte512Vector) 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     Float512Vector uOp(FUnOp f) {
191         return (Float512Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Float512Vector uOp(VectorMask<Float> m, FUnOp f) {
197         return (Float512Vector)
198             super.uOpTemplate((Float512Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Float512Vector bOp(Vector<Float> v, FBinOp f) {
206         return (Float512Vector) super.bOpTemplate((Float512Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Float512Vector bOp(Vector<Float> v,
212                      VectorMask<Float> m, FBinOp f) {
213         return (Float512Vector)
214             super.bOpTemplate((Float512Vector)v, (Float512Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Float512Vector tOp(Vector<Float> v1, Vector<Float> v2, FTriOp f) {
223         return (Float512Vector)
224             super.tOpTemplate((Float512Vector)v1, (Float512Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Float512Vector tOp(Vector<Float> v1, Vector<Float> v2,
231                      VectorMask<Float> m, FTriOp f) {
232         return (Float512Vector)
233             super.tOpTemplate((Float512Vector)v1, (Float512Vector)v2,
234                               (Float512Mask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     float rOp(float v, FBinOp f) {
240         return super.rOpTemplate(v, f);  // specialize
241     }
242 
243     @Override
244     @ForceInline
245     public final <F>
246     Vector<F> convertShape(VectorOperators.Conversion<Float,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 Float512Vector lanewise(Unary op) {
273         return (Float512Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Float512Vector lanewise(Binary op, Vector<Float> v) {
279         return (Float512Vector) super.lanewiseTemplate(op, v);  // specialize
280     }
281 
282 
283     /*package-private*/
284     @Override
285     @ForceInline
286     public final
287     Float512Vector
288     lanewise(VectorOperators.Ternary op, Vector<Float> v1, Vector<Float> v2) {
289         return (Float512Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
290     }
291 
292     @Override
293     @ForceInline
294     public final
295     Float512Vector addIndex(int scale) {
296         return (Float512Vector) super.addIndexTemplate(scale);  // specialize
297     }
298 
299     // Type specific horizontal reductions
300 
301     @Override
302     @ForceInline
303     public final float reduceLanes(VectorOperators.Associative op) {
304         return super.reduceLanesTemplate(op);  // specialized
305     }
306 
307     @Override
308     @ForceInline
309     public final float reduceLanes(VectorOperators.Associative op,
310                                     VectorMask<Float> m) {
311         return super.reduceLanesTemplate(op, m);  // specialized
312     }
313 
314     @Override
315     @ForceInline
316     public final long reduceLanesToLong(VectorOperators.Associative op) {
317         return (long) super.reduceLanesTemplate(op);  // specialized
318     }
319 
320     @Override
321     @ForceInline
322     public final long reduceLanesToLong(VectorOperators.Associative op,
323                                         VectorMask<Float> m) {
324         return (long) super.reduceLanesTemplate(op, m);  // specialized
325     }
326 
327     @ForceInline
328     public VectorShuffle<Float> toShuffle() {
329         return super.toShuffleTemplate(Float512Shuffle.class); // specialize
330     }
331 
332     // Specialized unary testing
333 
334     @Override
335     @ForceInline
336     public final Float512Mask test(Test op) {
337         return super.testTemplate(Float512Mask.class, op);  // specialize
338     }
339 
340     // Specialized comparisons
341 
342     @Override
343     @ForceInline
344     public final Float512Mask compare(Comparison op, Vector<Float> v) {
345         return super.compareTemplate(Float512Mask.class, op, v);  // specialize
346     }
347 
348     @Override
349     @ForceInline
350     public final Float512Mask compare(Comparison op, float s) {
351         return super.compareTemplate(Float512Mask.class, op, s);  // specialize
352     }
353 
354     @Override
355     @ForceInline
356     public final Float512Mask compare(Comparison op, long s) {
357         return super.compareTemplate(Float512Mask.class, op, s);  // specialize
358     }
359 
360     @Override
361     @ForceInline
362     public Float512Vector blend(Vector<Float> v, VectorMask<Float> m) {
363         return (Float512Vector)
364             super.blendTemplate(Float512Mask.class,
365                                 (Float512Vector) v,
366                                 (Float512Mask) m);  // specialize
367     }
368 
369     @Override
370     @ForceInline
371     public Float512Vector slice(int origin, Vector<Float> v) {
372         return (Float512Vector) super.sliceTemplate(origin, v);  // specialize
373     }
374 
375     @Override
376     @ForceInline
377     public Float512Vector slice(int origin) {
378         return (Float512Vector) super.sliceTemplate(origin);  // specialize
379     }
380 
381     @Override
382     @ForceInline
383     public Float512Vector unslice(int origin, Vector<Float> w, int part) {
384         return (Float512Vector) super.unsliceTemplate(origin, w, part);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public Float512Vector unslice(int origin, Vector<Float> w, int part, VectorMask<Float> m) {
390         return (Float512Vector)
391             super.unsliceTemplate(Float512Mask.class,
392                                   origin, w, part,
393                                   (Float512Mask) m);  // specialize
394     }
395 
396     @Override
397     @ForceInline
398     public Float512Vector unslice(int origin) {
399         return (Float512Vector) super.unsliceTemplate(origin);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Float512Vector rearrange(VectorShuffle<Float> s) {
405         return (Float512Vector)
406             super.rearrangeTemplate(Float512Shuffle.class,
407                                     (Float512Shuffle) s);  // specialize
408     }
409 
410     @Override
411     @ForceInline
412     public Float512Vector rearrange(VectorShuffle<Float> shuffle,
413                                   VectorMask<Float> m) {
414         return (Float512Vector)
415             super.rearrangeTemplate(Float512Shuffle.class,
416                                     (Float512Shuffle) shuffle,
417                                     (Float512Mask) m);  // specialize
418     }
419 
420     @Override
421     @ForceInline
422     public Float512Vector rearrange(VectorShuffle<Float> s,
423                                   Vector<Float> v) {
424         return (Float512Vector)
425             super.rearrangeTemplate(Float512Shuffle.class,
426                                     (Float512Shuffle) s,
427                                     (Float512Vector) v);  // specialize
428     }
429 
430     @Override
431     @ForceInline
432     public Float512Vector selectFrom(Vector<Float> v) {
433         return (Float512Vector)
434             super.selectFromTemplate((Float512Vector) v);  // specialize
435     }
436 
437     @Override
438     @ForceInline
439     public Float512Vector selectFrom(Vector<Float> v,
440                                    VectorMask<Float> m) {
441         return (Float512Vector)
442             super.selectFromTemplate((Float512Vector) v,
443                                      (Float512Mask) m);  // specialize
444     }
445 
446 
447     @ForceInline
448     @Override
449     public float lane(int i) {
450         int bits;
451         switch(i) {
452             case 0: bits = laneHelper(0); break;
453             case 1: bits = laneHelper(1); break;
454             case 2: bits = laneHelper(2); break;
455             case 3: bits = laneHelper(3); break;
456             case 4: bits = laneHelper(4); break;
457             case 5: bits = laneHelper(5); break;
458             case 6: bits = laneHelper(6); break;
459             case 7: bits = laneHelper(7); break;
460             case 8: bits = laneHelper(8); break;
461             case 9: bits = laneHelper(9); break;
462             case 10: bits = laneHelper(10); break;
463             case 11: bits = laneHelper(11); break;
464             case 12: bits = laneHelper(12); break;
465             case 13: bits = laneHelper(13); break;
466             case 14: bits = laneHelper(14); break;
467             case 15: bits = laneHelper(15); break;
468             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
469         }
470         return Float.intBitsToFloat(bits);
471     }
472 
473     public int laneHelper(int i) {
474         return (int) VectorSupport.extract(
475                      VCLASS, ETYPE, VLENGTH,
476                      this, i,
477                      (vec, ix) -> {
478                      float[] vecarr = vec.vec();
479                      return (long)Float.floatToIntBits(vecarr[ix]);
480                      });
481     }
482 
483     @ForceInline
484     @Override
485     public Float512Vector withLane(int i, float e) {
486         switch(i) {
487             case 0: return withLaneHelper(0, e);
488             case 1: return withLaneHelper(1, e);
489             case 2: return withLaneHelper(2, e);
490             case 3: return withLaneHelper(3, e);
491             case 4: return withLaneHelper(4, e);
492             case 5: return withLaneHelper(5, e);
493             case 6: return withLaneHelper(6, e);
494             case 7: return withLaneHelper(7, e);
495             case 8: return withLaneHelper(8, e);
496             case 9: return withLaneHelper(9, e);
497             case 10: return withLaneHelper(10, e);
498             case 11: return withLaneHelper(11, e);
499             case 12: return withLaneHelper(12, e);
500             case 13: return withLaneHelper(13, e);
501             case 14: return withLaneHelper(14, e);
502             case 15: return withLaneHelper(15, e);
503             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
504         }
505     }
506 
507     public Float512Vector withLaneHelper(int i, float e) {
508         return VectorSupport.insert(
509                                 VCLASS, ETYPE, VLENGTH,
510                                 this, i, (long)Float.floatToIntBits(e),
511                                 (v, ix, bits) -> {
512                                     float[] res = v.vec().clone();
513                                     res[ix] = Float.intBitsToFloat((int)bits);
514                                     return v.vectorFactory(res);
515                                 });
516     }
517 
518     // Mask
519 
520     static final class Float512Mask extends AbstractMask<Float> {
521         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
522         static final Class<Float> ETYPE = float.class; // used by the JVM
523 
524         Float512Mask(boolean[] bits) {
525             this(bits, 0);
526         }
527 
528         Float512Mask(boolean[] bits, int offset) {
529             super(prepare(bits, offset));
530         }
531 
532         Float512Mask(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 FloatSpecies 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         Float512Mask 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 Float512Mask(res);
572         }
573 
574         @Override
575         Float512Mask bOp(VectorMask<Float> m, MBinOp f) {
576             boolean[] res = new boolean[vspecies().laneCount()];
577             boolean[] bits = getBits();
578             boolean[] mbits = ((Float512Mask)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 Float512Mask(res);
583         }
584 
585         @ForceInline
586         @Override
587         public final
588         Float512Vector toVector() {
589             return (Float512Vector) 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             if (VSIZE == species.vectorBitSize()) {
612                 Class<?> dtype = species.elementType();
613                 Class<?> dmtype = species.maskType();
614                 return VectorSupport.convert(VectorSupport.VECTOR_OP_REINTERPRET,
615                     this.getClass(), ETYPE, VLENGTH,
616                     dmtype, dtype, VLENGTH,
617                     this, species,
618                     Float512Mask::defaultMaskCast);
619             }
620             return this.defaultMaskCast(species);
621         }
622 
623         @Override
624         @ForceInline
625         public Float512Mask eq(VectorMask<Float> mask) {
626             Objects.requireNonNull(mask);
627             Float512Mask m = (Float512Mask)mask;
628             return xor(m.not());
629         }
630 
631         // Unary operations
632 
633         @Override
634         @ForceInline
635         public Float512Mask not() {
636             return xor(maskAll(true));
637         }
638 
639         // Binary operations
640 
641         @Override
642         @ForceInline
643         public Float512Mask and(VectorMask<Float> mask) {
644             Objects.requireNonNull(mask);
645             Float512Mask m = (Float512Mask)mask;
646             return VectorSupport.binaryOp(VECTOR_OP_AND, Float512Mask.class, int.class, VLENGTH,
647                                              this, m,
648                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a & b));
649         }
650 
651         @Override
652         @ForceInline
653         public Float512Mask or(VectorMask<Float> mask) {
654             Objects.requireNonNull(mask);
655             Float512Mask m = (Float512Mask)mask;
656             return VectorSupport.binaryOp(VECTOR_OP_OR, Float512Mask.class, int.class, VLENGTH,
657                                              this, m,
658                                              (m1, m2) -> m1.bOp(m2, (i, a, b) -> a | b));
659         }
660 
661         @ForceInline
662         /* package-private */
663         Float512Mask xor(VectorMask<Float> mask) {
664             Objects.requireNonNull(mask);
665             Float512Mask m = (Float512Mask)mask;
666             return VectorSupport.binaryOp(VECTOR_OP_XOR, Float512Mask.class, int.class, VLENGTH,
667                                           this, m,
668                                           (m1, m2) -> m1.bOp(m2, (i, a, b) -> a ^ b));
669         }
670 
671         // Mask Query operations
672 
673         @Override
674         @ForceInline
675         public int trueCount() {
676             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Float512Mask.class, int.class, VLENGTH, this,
677                                                       (m) -> trueCountHelper(((Float512Mask)m).getBits()));
678         }
679 
680         @Override
681         @ForceInline
682         public int firstTrue() {
683             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Float512Mask.class, int.class, VLENGTH, this,
684                                                       (m) -> firstTrueHelper(((Float512Mask)m).getBits()));
685         }
686 
687         @Override
688         @ForceInline
689         public int lastTrue() {
690             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Float512Mask.class, int.class, VLENGTH, this,
691                                                       (m) -> lastTrueHelper(((Float512Mask)m).getBits()));
692         }
693 
694         // Reductions
695 
696         @Override
697         @ForceInline
698         public boolean anyTrue() {
699             return VectorSupport.test(BT_ne, Float512Mask.class, int.class, VLENGTH,
700                                          this, vspecies().maskAll(true),
701                                          (m, __) -> anyTrueHelper(((Float512Mask)m).getBits()));
702         }
703 
704         @Override
705         @ForceInline
706         public boolean allTrue() {
707             return VectorSupport.test(BT_overflow, Float512Mask.class, int.class, VLENGTH,
708                                          this, vspecies().maskAll(true),
709                                          (m, __) -> allTrueHelper(((Float512Mask)m).getBits()));
710         }
711 
712         @ForceInline
713         /*package-private*/
714         static Float512Mask maskAll(boolean bit) {
715             return VectorSupport.broadcastCoerced(Float512Mask.class, int.class, VLENGTH,
716                                                   (bit ? -1 : 0), null,
717                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
718         }
719         private static final Float512Mask  TRUE_MASK = new Float512Mask(true);
720         private static final Float512Mask FALSE_MASK = new Float512Mask(false);
721 
722     }
723 
724     // Shuffle
725 
726     static final class Float512Shuffle extends AbstractShuffle<Float> {
727         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
728         static final Class<Float> ETYPE = float.class; // used by the JVM
729 
730         Float512Shuffle(byte[] reorder) {
731             super(VLENGTH, reorder);
732         }
733 
734         public Float512Shuffle(int[] reorder) {
735             super(VLENGTH, reorder);
736         }
737 
738         public Float512Shuffle(int[] reorder, int i) {
739             super(VLENGTH, reorder, i);
740         }
741 
742         public Float512Shuffle(IntUnaryOperator fn) {
743             super(VLENGTH, fn);
744         }
745 
746         @Override
747         public FloatSpecies vspecies() {
748             return VSPECIES;
749         }
750 
751         static {
752             // There must be enough bits in the shuffle lanes to encode
753             // VLENGTH valid indexes and VLENGTH exceptional ones.
754             assert(VLENGTH < Byte.MAX_VALUE);
755             assert(Byte.MIN_VALUE <= -VLENGTH);
756         }
757         static final Float512Shuffle IOTA = new Float512Shuffle(IDENTITY);
758 
759         @Override
760         @ForceInline
761         public Float512Vector toVector() {
762             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Float512Shuffle.class, this, VLENGTH,
763                                                     (s) -> ((Float512Vector)(((AbstractShuffle<Float>)(s)).toVectorTemplate())));
764         }
765 
766         @Override
767         @ForceInline
768         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
769             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
770             if (length() != species.laneCount())
771                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
772             int[] shuffleArray = toArray();
773             return s.shuffleFromArray(shuffleArray, 0).check(s);
774         }
775 
776         @ForceInline
777         @Override
778         public Float512Shuffle rearrange(VectorShuffle<Float> shuffle) {
779             Float512Shuffle s = (Float512Shuffle) shuffle;
780             byte[] reorder1 = reorder();
781             byte[] reorder2 = s.reorder();
782             byte[] r = new byte[reorder1.length];
783             for (int i = 0; i < reorder1.length; i++) {
784                 int ssi = reorder2[i];
785                 r[i] = reorder1[ssi];  // throws on exceptional index
786             }
787             return new Float512Shuffle(r);
788         }
789     }
790 
791     // ================================================
792 
793     // Specialized low-level memory operations.
794 
795     @ForceInline
796     @Override
797     final
798     FloatVector fromArray0(float[] a, int offset) {
799         return super.fromArray0Template(a, offset);  // specialize
800     }
801 
802 
803 
804     @ForceInline
805     @Override
806     final
807     FloatVector fromByteArray0(byte[] a, int offset) {
808         return super.fromByteArray0Template(a, offset);  // specialize
809     }
810 
811     @ForceInline
812     @Override
813     final
814     FloatVector fromByteBuffer0(ByteBuffer bb, int offset) {
815         return super.fromByteBuffer0Template(bb, offset);  // specialize
816     }
817 
818     @ForceInline
819     @Override
820     final
821     void intoArray0(float[] a, int offset) {
822         super.intoArray0Template(a, offset);  // specialize
823     }
824 
825     @ForceInline
826     @Override
827     final
828     void intoByteArray0(byte[] a, int offset) {
829         super.intoByteArray0Template(a, offset);  // specialize
830     }
831 
832     // End of specialized low-level memory operations.
833 
834     // ================================================
835 
836 }