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, VectorMask<Float> 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<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(Unary op, VectorMask<Float> m) {
279         return (Float512Vector) super.lanewiseTemplate(op, Float512Mask.class, (Float512Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Float512Vector lanewise(Binary op, Vector<Float> v) {
285         return (Float512Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Float512Vector lanewise(Binary op, Vector<Float> v, VectorMask<Float> m) {
291         return (Float512Vector) super.lanewiseTemplate(op, Float512Mask.class, v, (Float512Mask) m);  // specialize
292     }
293 
294 
295     /*package-private*/
296     @Override
297     @ForceInline
298     public final
299     Float512Vector
300     lanewise(Ternary op, Vector<Float> v1, Vector<Float> v2) {
301         return (Float512Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
302     }
303 
304     @Override
305     @ForceInline
306     public final
307     Float512Vector
308     lanewise(Ternary op, Vector<Float> v1, Vector<Float> v2, VectorMask<Float> m) {
309         return (Float512Vector) super.lanewiseTemplate(op, Float512Mask.class, v1, v2, (Float512Mask) m);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     Float512Vector addIndex(int scale) {
316         return (Float512Vector) super.addIndexTemplate(scale);  // specialize
317     }
318 
319     // Type specific horizontal reductions
320 
321     @Override
322     @ForceInline
323     public final float reduceLanes(VectorOperators.Associative op) {
324         return super.reduceLanesTemplate(op);  // specialized
325     }
326 
327     @Override
328     @ForceInline
329     public final float reduceLanes(VectorOperators.Associative op,
330                                     VectorMask<Float> m) {
331         return super.reduceLanesTemplate(op, Float512Mask.class, (Float512Mask) 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<Float> m) {
344         return (long) super.reduceLanesTemplate(op, Float512Mask.class, (Float512Mask) m);  // specialized
345     }
346 
347     @ForceInline
348     public VectorShuffle<Float> toShuffle() {
349         return super.toShuffleTemplate(Float512Shuffle.class); // specialize
350     }
351 
352     // Specialized unary testing
353 
354     @Override
355     @ForceInline
356     public final Float512Mask test(Test op) {
357         return super.testTemplate(Float512Mask.class, op);  // specialize
358     }
359 
360     // Specialized comparisons
361 
362     @Override
363     @ForceInline
364     public final Float512Mask compare(Comparison op, Vector<Float> v) {
365         return super.compareTemplate(Float512Mask.class, op, v);  // specialize
366     }
367 
368     @Override
369     @ForceInline
370     public final Float512Mask compare(Comparison op, float s) {
371         return super.compareTemplate(Float512Mask.class, op, s);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final Float512Mask compare(Comparison op, long s) {
377         return super.compareTemplate(Float512Mask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final Float512Mask compare(Comparison op, Vector<Float> v, VectorMask<Float> m) {
383         return super.compareTemplate(Float512Mask.class, op, v, (Float512Mask) m);
384     }
385 
386 
387     @Override
388     @ForceInline
389     public Float512Vector blend(Vector<Float> v, VectorMask<Float> m) {
390         return (Float512Vector)
391             super.blendTemplate(Float512Mask.class,
392                                 (Float512Vector) v,
393                                 (Float512Mask) m);  // specialize
394     }
395 
396     @Override
397     @ForceInline
398     public Float512Vector slice(int origin, Vector<Float> v) {
399         return (Float512Vector) super.sliceTemplate(origin, v);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Float512Vector slice(int origin) {
405         return (Float512Vector) super.sliceTemplate(origin);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public Float512Vector unslice(int origin, Vector<Float> w, int part) {
411         return (Float512Vector) super.unsliceTemplate(origin, w, part);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public Float512Vector unslice(int origin, Vector<Float> w, int part, VectorMask<Float> m) {
417         return (Float512Vector)
418             super.unsliceTemplate(Float512Mask.class,
419                                   origin, w, part,
420                                   (Float512Mask) m);  // specialize
421     }
422 
423     @Override
424     @ForceInline
425     public Float512Vector unslice(int origin) {
426         return (Float512Vector) super.unsliceTemplate(origin);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public Float512Vector rearrange(VectorShuffle<Float> s) {
432         return (Float512Vector)
433             super.rearrangeTemplate(Float512Shuffle.class,
434                                     (Float512Shuffle) s);  // specialize
435     }
436 
437     @Override
438     @ForceInline
439     public Float512Vector rearrange(VectorShuffle<Float> shuffle,
440                                   VectorMask<Float> m) {
441         return (Float512Vector)
442             super.rearrangeTemplate(Float512Shuffle.class,
443                                     Float512Mask.class,
444                                     (Float512Shuffle) shuffle,
445                                     (Float512Mask) m);  // specialize
446     }
447 
448     @Override
449     @ForceInline
450     public Float512Vector rearrange(VectorShuffle<Float> s,
451                                   Vector<Float> v) {
452         return (Float512Vector)
453             super.rearrangeTemplate(Float512Shuffle.class,
454                                     (Float512Shuffle) s,
455                                     (Float512Vector) v);  // specialize
456     }
457 
458     @Override
459     @ForceInline
460     public Float512Vector selectFrom(Vector<Float> v) {
461         return (Float512Vector)
462             super.selectFromTemplate((Float512Vector) v);  // specialize
463     }
464 
465     @Override
466     @ForceInline
467     public Float512Vector selectFrom(Vector<Float> v,
468                                    VectorMask<Float> m) {
469         return (Float512Vector)
470             super.selectFromTemplate((Float512Vector) v,
471                                      (Float512Mask) m);  // specialize
472     }
473 
474 
475     @ForceInline
476     @Override
477     public float lane(int i) {
478         int bits;
479         switch(i) {
480             case 0: bits = laneHelper(0); break;
481             case 1: bits = laneHelper(1); break;
482             case 2: bits = laneHelper(2); break;
483             case 3: bits = laneHelper(3); break;
484             case 4: bits = laneHelper(4); break;
485             case 5: bits = laneHelper(5); break;
486             case 6: bits = laneHelper(6); break;
487             case 7: bits = laneHelper(7); break;
488             case 8: bits = laneHelper(8); break;
489             case 9: bits = laneHelper(9); break;
490             case 10: bits = laneHelper(10); break;
491             case 11: bits = laneHelper(11); break;
492             case 12: bits = laneHelper(12); break;
493             case 13: bits = laneHelper(13); break;
494             case 14: bits = laneHelper(14); break;
495             case 15: bits = laneHelper(15); break;
496             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
497         }
498         return Float.intBitsToFloat(bits);
499     }
500 
501     public int laneHelper(int i) {
502         return (int) VectorSupport.extract(
503                      VCLASS, ETYPE, VLENGTH,
504                      this, i,
505                      (vec, ix) -> {
506                      float[] vecarr = vec.vec();
507                      return (long)Float.floatToIntBits(vecarr[ix]);
508                      });
509     }
510 
511     @ForceInline
512     @Override
513     public Float512Vector withLane(int i, float e) {
514         switch(i) {
515             case 0: return withLaneHelper(0, e);
516             case 1: return withLaneHelper(1, e);
517             case 2: return withLaneHelper(2, e);
518             case 3: return withLaneHelper(3, e);
519             case 4: return withLaneHelper(4, e);
520             case 5: return withLaneHelper(5, e);
521             case 6: return withLaneHelper(6, e);
522             case 7: return withLaneHelper(7, e);
523             case 8: return withLaneHelper(8, e);
524             case 9: return withLaneHelper(9, e);
525             case 10: return withLaneHelper(10, e);
526             case 11: return withLaneHelper(11, e);
527             case 12: return withLaneHelper(12, e);
528             case 13: return withLaneHelper(13, e);
529             case 14: return withLaneHelper(14, e);
530             case 15: return withLaneHelper(15, e);
531             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
532         }
533     }
534 
535     public Float512Vector withLaneHelper(int i, float e) {
536         return VectorSupport.insert(
537                                 VCLASS, ETYPE, VLENGTH,
538                                 this, i, (long)Float.floatToIntBits(e),
539                                 (v, ix, bits) -> {
540                                     float[] res = v.vec().clone();
541                                     res[ix] = Float.intBitsToFloat((int)bits);
542                                     return v.vectorFactory(res);
543                                 });
544     }
545 
546     // Mask
547 
548     static final class Float512Mask extends AbstractMask<Float> {
549         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
550         static final Class<Float> ETYPE = float.class; // used by the JVM
551 
552         Float512Mask(boolean[] bits) {
553             this(bits, 0);
554         }
555 
556         Float512Mask(boolean[] bits, int offset) {
557             super(prepare(bits, offset));
558         }
559 
560         Float512Mask(boolean val) {
561             super(prepare(val));
562         }
563 
564         private static boolean[] prepare(boolean[] bits, int offset) {
565             boolean[] newBits = new boolean[VSPECIES.laneCount()];
566             for (int i = 0; i < newBits.length; i++) {
567                 newBits[i] = bits[offset + i];
568             }
569             return newBits;
570         }
571 
572         private static boolean[] prepare(boolean val) {
573             boolean[] bits = new boolean[VSPECIES.laneCount()];
574             Arrays.fill(bits, val);
575             return bits;
576         }
577 
578         @ForceInline
579         final @Override
580         public FloatSpecies vspecies() {
581             // ISSUE:  This should probably be a @Stable
582             // field inside AbstractMask, rather than
583             // a megamorphic method.
584             return VSPECIES;
585         }
586 
587         @ForceInline
588         boolean[] getBits() {
589             return (boolean[])getPayload();
590         }
591 
592         @Override
593         Float512Mask uOp(MUnOp f) {
594             boolean[] res = new boolean[vspecies().laneCount()];
595             boolean[] bits = getBits();
596             for (int i = 0; i < res.length; i++) {
597                 res[i] = f.apply(i, bits[i]);
598             }
599             return new Float512Mask(res);
600         }
601 
602         @Override
603         Float512Mask bOp(VectorMask<Float> m, MBinOp f) {
604             boolean[] res = new boolean[vspecies().laneCount()];
605             boolean[] bits = getBits();
606             boolean[] mbits = ((Float512Mask)m).getBits();
607             for (int i = 0; i < res.length; i++) {
608                 res[i] = f.apply(i, bits[i], mbits[i]);
609             }
610             return new Float512Mask(res);
611         }
612 
613         @ForceInline
614         @Override
615         public final
616         Float512Vector toVector() {
617             return (Float512Vector) super.toVectorTemplate();  // specialize
618         }
619 
620         /**
621          * Helper function for lane-wise mask conversions.
622          * This function kicks in after intrinsic failure.
623          */
624         @ForceInline
625         private final <E>
626         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
627             if (length() != dsp.laneCount())
628                 throw new IllegalArgumentException("VectorMask length and species length differ");
629             boolean[] maskArray = toArray();
630             return  dsp.maskFactory(maskArray).check(dsp);
631         }
632 
633         @Override
634         @ForceInline
635         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
636             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
637             if (length() != species.laneCount())
638                 throw new IllegalArgumentException("VectorMask length and species length differ");
639 
640             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
641                 this.getClass(), ETYPE, VLENGTH,
642                 species.maskType(), species.elementType(), VLENGTH,
643                 this, species,
644                 (m, s) -> s.maskFactory(m.toArray()).check(s));
645         }
646 
647         @Override
648         @ForceInline
649         public Float512Mask eq(VectorMask<Float> mask) {
650             Objects.requireNonNull(mask);
651             Float512Mask m = (Float512Mask)mask;
652             return xor(m.not());
653         }
654 
655         // Unary operations
656 
657         @Override
658         @ForceInline
659         public Float512Mask not() {
660             return xor(maskAll(true));
661         }
662 
663         // Binary operations
664 
665         @Override
666         @ForceInline
667         public Float512Mask and(VectorMask<Float> mask) {
668             Objects.requireNonNull(mask);
669             Float512Mask m = (Float512Mask)mask;
670             return VectorSupport.binaryOp(VECTOR_OP_AND, Float512Mask.class, null, int.class, VLENGTH,
671                                           this, m, null,
672                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
673         }
674 
675         @Override
676         @ForceInline
677         public Float512Mask or(VectorMask<Float> mask) {
678             Objects.requireNonNull(mask);
679             Float512Mask m = (Float512Mask)mask;
680             return VectorSupport.binaryOp(VECTOR_OP_OR, Float512Mask.class, null, int.class, VLENGTH,
681                                           this, m, null,
682                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
683         }
684 
685         @ForceInline
686         /* package-private */
687         Float512Mask xor(VectorMask<Float> mask) {
688             Objects.requireNonNull(mask);
689             Float512Mask m = (Float512Mask)mask;
690             return VectorSupport.binaryOp(VECTOR_OP_XOR, Float512Mask.class, null, int.class, VLENGTH,
691                                           this, m, null,
692                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
693         }
694 
695         // Mask Query operations
696 
697         @Override
698         @ForceInline
699         public int trueCount() {
700             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Float512Mask.class, int.class, VLENGTH, this,
701                                                       (m) -> trueCountHelper(m.getBits()));
702         }
703 
704         @Override
705         @ForceInline
706         public int firstTrue() {
707             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Float512Mask.class, int.class, VLENGTH, this,
708                                                       (m) -> firstTrueHelper(m.getBits()));
709         }
710 
711         @Override
712         @ForceInline
713         public int lastTrue() {
714             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Float512Mask.class, int.class, VLENGTH, this,
715                                                       (m) -> lastTrueHelper(m.getBits()));
716         }
717 
718         @Override
719         @ForceInline
720         public long toLong() {
721             if (length() > Long.SIZE) {
722                 throw new UnsupportedOperationException("too many lanes for one long");
723             }
724             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Float512Mask.class, int.class, VLENGTH, this,
725                                                       (m) -> toLongHelper(m.getBits()));
726         }
727 
728         // Reductions
729 
730         @Override
731         @ForceInline
732         public boolean anyTrue() {
733             return VectorSupport.test(BT_ne, Float512Mask.class, int.class, VLENGTH,
734                                          this, vspecies().maskAll(true),
735                                          (m, __) -> anyTrueHelper(((Float512Mask)m).getBits()));
736         }
737 
738         @Override
739         @ForceInline
740         public boolean allTrue() {
741             return VectorSupport.test(BT_overflow, Float512Mask.class, int.class, VLENGTH,
742                                          this, vspecies().maskAll(true),
743                                          (m, __) -> allTrueHelper(((Float512Mask)m).getBits()));
744         }
745 
746         @ForceInline
747         /*package-private*/
748         static Float512Mask maskAll(boolean bit) {
749             return VectorSupport.broadcastCoerced(Float512Mask.class, int.class, VLENGTH,
750                                                   (bit ? -1 : 0), null,
751                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
752         }
753         private static final Float512Mask  TRUE_MASK = new Float512Mask(true);
754         private static final Float512Mask FALSE_MASK = new Float512Mask(false);
755 
756     }
757 
758     // Shuffle
759 
760     static final class Float512Shuffle extends AbstractShuffle<Float> {
761         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
762         static final Class<Float> ETYPE = float.class; // used by the JVM
763 
764         Float512Shuffle(byte[] reorder) {
765             super(VLENGTH, reorder);
766         }
767 
768         public Float512Shuffle(int[] reorder) {
769             super(VLENGTH, reorder);
770         }
771 
772         public Float512Shuffle(int[] reorder, int i) {
773             super(VLENGTH, reorder, i);
774         }
775 
776         public Float512Shuffle(IntUnaryOperator fn) {
777             super(VLENGTH, fn);
778         }
779 
780         @Override
781         public FloatSpecies vspecies() {
782             return VSPECIES;
783         }
784 
785         static {
786             // There must be enough bits in the shuffle lanes to encode
787             // VLENGTH valid indexes and VLENGTH exceptional ones.
788             assert(VLENGTH < Byte.MAX_VALUE);
789             assert(Byte.MIN_VALUE <= -VLENGTH);
790         }
791         static final Float512Shuffle IOTA = new Float512Shuffle(IDENTITY);
792 
793         @Override
794         @ForceInline
795         public Float512Vector toVector() {
796             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Float512Shuffle.class, this, VLENGTH,
797                                                     (s) -> ((Float512Vector)(((AbstractShuffle<Float>)(s)).toVectorTemplate())));
798         }
799 
800         @Override
801         @ForceInline
802         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
803             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
804             if (length() != species.laneCount())
805                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
806             int[] shuffleArray = toArray();
807             return s.shuffleFromArray(shuffleArray, 0).check(s);
808         }
809 
810         @ForceInline
811         @Override
812         public Float512Shuffle rearrange(VectorShuffle<Float> shuffle) {
813             Float512Shuffle s = (Float512Shuffle) shuffle;
814             byte[] reorder1 = reorder();
815             byte[] reorder2 = s.reorder();
816             byte[] r = new byte[reorder1.length];
817             for (int i = 0; i < reorder1.length; i++) {
818                 int ssi = reorder2[i];
819                 r[i] = reorder1[ssi];  // throws on exceptional index
820             }
821             return new Float512Shuffle(r);
822         }
823     }
824 
825     // ================================================
826 
827     // Specialized low-level memory operations.
828 
829     @ForceInline
830     @Override
831     final
832     FloatVector fromArray0(float[] a, int offset) {
833         return super.fromArray0Template(a, offset);  // specialize
834     }
835 
836     @ForceInline
837     @Override
838     final
839     FloatVector fromArray0(float[] a, int offset, VectorMask<Float> m) {
840         return super.fromArray0Template(Float512Mask.class, a, offset, (Float512Mask) m);  // specialize
841     }
842 
843     @ForceInline
844     @Override
845     final
846     FloatVector fromArray0(float[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Float> m) {
847         return super.fromArray0Template(Float512Mask.class, a, offset, indexMap, mapOffset, (Float512Mask) m);
848     }
849 
850 
851 
852     @ForceInline
853     @Override
854     final
855     FloatVector fromByteArray0(byte[] a, int offset) {
856         return super.fromByteArray0Template(a, offset);  // specialize
857     }
858 
859     @ForceInline
860     @Override
861     final
862     FloatVector fromByteArray0(byte[] a, int offset, VectorMask<Float> m) {
863         return super.fromByteArray0Template(Float512Mask.class, a, offset, (Float512Mask) m);  // specialize
864     }
865 
866     @ForceInline
867     @Override
868     final
869     FloatVector fromByteBuffer0(ByteBuffer bb, int offset) {
870         return super.fromByteBuffer0Template(bb, offset);  // specialize
871     }
872 
873     @ForceInline
874     @Override
875     final
876     FloatVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Float> m) {
877         return super.fromByteBuffer0Template(Float512Mask.class, bb, offset, (Float512Mask) m);  // specialize
878     }
879 
880     @ForceInline
881     @Override
882     final
883     void intoArray0(float[] a, int offset) {
884         super.intoArray0Template(a, offset);  // specialize
885     }
886 
887     @ForceInline
888     @Override
889     final
890     void intoArray0(float[] a, int offset, VectorMask<Float> m) {
891         super.intoArray0Template(Float512Mask.class, a, offset, (Float512Mask) m);
892     }
893 
894     @ForceInline
895     @Override
896     final
897     void intoArray0(float[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Float> m) {
898         super.intoArray0Template(Float512Mask.class, a, offset, indexMap, mapOffset, (Float512Mask) m);
899     }
900 
901 
902     @ForceInline
903     @Override
904     final
905     void intoByteArray0(byte[] a, int offset) {
906         super.intoByteArray0Template(a, offset);  // specialize
907     }
908 
909     @ForceInline
910     @Override
911     final
912     void intoByteArray0(byte[] a, int offset, VectorMask<Float> m) {
913         super.intoByteArray0Template(Float512Mask.class, a, offset, (Float512Mask) m);  // specialize
914     }
915 
916     @ForceInline
917     @Override
918     final
919     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Float> m) {
920         super.intoByteBuffer0Template(Float512Mask.class, bb, offset, (Float512Mask) m);
921     }
922 
923 
924     // End of specialized low-level memory operations.
925 
926     // ================================================
927 
928 }