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 Float256Vector extends FloatVector {
 43     static final FloatSpecies VSPECIES =
 44         (FloatSpecies) FloatVector.SPECIES_256;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Float256Vector> VCLASS = Float256Vector.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     Float256Vector(float[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Float256Vector::new,
 62     // stored into species.vectorFactory.
 63     Float256Vector(Object v) {
 64         this((float[]) v);
 65     }
 66 
 67     static final Float256Vector ZERO = new Float256Vector(new float[VLENGTH]);
 68     static final Float256Vector IOTA = new Float256Vector(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 Float256Vector broadcast(float e) {
125         return (Float256Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Float256Vector broadcast(long e) {
131         return (Float256Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Float256Mask maskFromArray(boolean[] bits) {
137         return new Float256Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Float256Shuffle iotaShuffle() { return Float256Shuffle.IOTA; }
143 
144     @ForceInline
145     Float256Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Float256Shuffle)VectorSupport.shuffleIota(ETYPE, Float256Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Float256Shuffle)VectorSupport.shuffleIota(ETYPE, Float256Shuffle.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     Float256Shuffle shuffleFromBytes(byte[] reorder) { return new Float256Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Float256Shuffle shuffleFromArray(int[] indexes, int i) { return new Float256Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Float256Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Float256Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Float256Vector vectorFactory(float[] vec) {
171         return new Float256Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte256Vector asByteVectorRaw() {
177         return (Byte256Vector) 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     Float256Vector uOp(FUnOp f) {
191         return (Float256Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Float256Vector uOp(VectorMask<Float> m, FUnOp f) {
197         return (Float256Vector)
198             super.uOpTemplate((Float256Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Float256Vector bOp(Vector<Float> v, FBinOp f) {
206         return (Float256Vector) super.bOpTemplate((Float256Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Float256Vector bOp(Vector<Float> v,
212                      VectorMask<Float> m, FBinOp f) {
213         return (Float256Vector)
214             super.bOpTemplate((Float256Vector)v, (Float256Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Float256Vector tOp(Vector<Float> v1, Vector<Float> v2, FTriOp f) {
223         return (Float256Vector)
224             super.tOpTemplate((Float256Vector)v1, (Float256Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Float256Vector tOp(Vector<Float> v1, Vector<Float> v2,
231                      VectorMask<Float> m, FTriOp f) {
232         return (Float256Vector)
233             super.tOpTemplate((Float256Vector)v1, (Float256Vector)v2,
234                               (Float256Mask)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 Float256Vector lanewise(Unary op) {
273         return (Float256Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Float256Vector lanewise(Unary op, VectorMask<Float> m) {
279         return (Float256Vector) super.lanewiseTemplate(op, Float256Mask.class, (Float256Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Float256Vector lanewise(Binary op, Vector<Float> v) {
285         return (Float256Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Float256Vector lanewise(Binary op, Vector<Float> v, VectorMask<Float> m) {
291         return (Float256Vector) super.lanewiseTemplate(op, Float256Mask.class, v, (Float256Mask) m);  // specialize
292     }
293 
294 
295     /*package-private*/
296     @Override
297     @ForceInline
298     public final
299     Float256Vector
300     lanewise(Ternary op, Vector<Float> v1, Vector<Float> v2) {
301         return (Float256Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
302     }
303 
304     @Override
305     @ForceInline
306     public final
307     Float256Vector
308     lanewise(Ternary op, Vector<Float> v1, Vector<Float> v2, VectorMask<Float> m) {
309         return (Float256Vector) super.lanewiseTemplate(op, Float256Mask.class, v1, v2, (Float256Mask) m);  // specialize
310     }
311 
312     @Override
313     @ForceInline
314     public final
315     Float256Vector addIndex(int scale) {
316         return (Float256Vector) 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, Float256Mask.class, (Float256Mask) 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, Float256Mask.class, (Float256Mask) m);  // specialized
345     }
346 
347     @ForceInline
348     public VectorShuffle<Float> toShuffle() {
349         return super.toShuffleTemplate(Float256Shuffle.class); // specialize
350     }
351 
352     // Specialized unary testing
353 
354     @Override
355     @ForceInline
356     public final Float256Mask test(Test op) {
357         return super.testTemplate(Float256Mask.class, op);  // specialize
358     }
359 
360     // Specialized comparisons
361 
362     @Override
363     @ForceInline
364     public final Float256Mask compare(Comparison op, Vector<Float> v) {
365         return super.compareTemplate(Float256Mask.class, op, v);  // specialize
366     }
367 
368     @Override
369     @ForceInline
370     public final Float256Mask compare(Comparison op, float s) {
371         return super.compareTemplate(Float256Mask.class, op, s);  // specialize
372     }
373 
374     @Override
375     @ForceInline
376     public final Float256Mask compare(Comparison op, long s) {
377         return super.compareTemplate(Float256Mask.class, op, s);  // specialize
378     }
379 
380     @Override
381     @ForceInline
382     public final Float256Mask compare(Comparison op, Vector<Float> v, VectorMask<Float> m) {
383         return super.compareTemplate(Float256Mask.class, op, v, (Float256Mask) m);
384     }
385 
386 
387     @Override
388     @ForceInline
389     public Float256Vector blend(Vector<Float> v, VectorMask<Float> m) {
390         return (Float256Vector)
391             super.blendTemplate(Float256Mask.class,
392                                 (Float256Vector) v,
393                                 (Float256Mask) m);  // specialize
394     }
395 
396     @Override
397     @ForceInline
398     public Float256Vector slice(int origin, Vector<Float> v) {
399         return (Float256Vector) super.sliceTemplate(origin, v);  // specialize
400     }
401 
402     @Override
403     @ForceInline
404     public Float256Vector slice(int origin) {
405         return (Float256Vector) super.sliceTemplate(origin);  // specialize
406     }
407 
408     @Override
409     @ForceInline
410     public Float256Vector unslice(int origin, Vector<Float> w, int part) {
411         return (Float256Vector) super.unsliceTemplate(origin, w, part);  // specialize
412     }
413 
414     @Override
415     @ForceInline
416     public Float256Vector unslice(int origin, Vector<Float> w, int part, VectorMask<Float> m) {
417         return (Float256Vector)
418             super.unsliceTemplate(Float256Mask.class,
419                                   origin, w, part,
420                                   (Float256Mask) m);  // specialize
421     }
422 
423     @Override
424     @ForceInline
425     public Float256Vector unslice(int origin) {
426         return (Float256Vector) super.unsliceTemplate(origin);  // specialize
427     }
428 
429     @Override
430     @ForceInline
431     public Float256Vector rearrange(VectorShuffle<Float> s) {
432         return (Float256Vector)
433             super.rearrangeTemplate(Float256Shuffle.class,
434                                     (Float256Shuffle) s);  // specialize
435     }
436 
437     @Override
438     @ForceInline
439     public Float256Vector rearrange(VectorShuffle<Float> shuffle,
440                                   VectorMask<Float> m) {
441         return (Float256Vector)
442             super.rearrangeTemplate(Float256Shuffle.class,
443                                     Float256Mask.class,
444                                     (Float256Shuffle) shuffle,
445                                     (Float256Mask) m);  // specialize
446     }
447 
448     @Override
449     @ForceInline
450     public Float256Vector rearrange(VectorShuffle<Float> s,
451                                   Vector<Float> v) {
452         return (Float256Vector)
453             super.rearrangeTemplate(Float256Shuffle.class,
454                                     (Float256Shuffle) s,
455                                     (Float256Vector) v);  // specialize
456     }
457 
458     @Override
459     @ForceInline
460     public Float256Vector compress(VectorMask<Float> m) {
461         return (Float256Vector)
462             super.compressTemplate(Float256Mask.class,
463                                    (Float256Mask) m);  // specialize
464     }
465 
466     @Override
467     @ForceInline
468     public Float256Vector expand(VectorMask<Float> m) {
469         return (Float256Vector)
470             super.expandTemplate(Float256Mask.class,
471                                    (Float256Mask) m);  // specialize
472     }
473 
474     @Override
475     @ForceInline
476     public Float256Vector selectFrom(Vector<Float> v) {
477         return (Float256Vector)
478             super.selectFromTemplate((Float256Vector) v);  // specialize
479     }
480 
481     @Override
482     @ForceInline
483     public Float256Vector selectFrom(Vector<Float> v,
484                                    VectorMask<Float> m) {
485         return (Float256Vector)
486             super.selectFromTemplate((Float256Vector) v,
487                                      (Float256Mask) m);  // specialize
488     }
489 
490 
491     @ForceInline
492     @Override
493     public float lane(int i) {
494         int bits;
495         switch(i) {
496             case 0: bits = laneHelper(0); break;
497             case 1: bits = laneHelper(1); break;
498             case 2: bits = laneHelper(2); break;
499             case 3: bits = laneHelper(3); break;
500             case 4: bits = laneHelper(4); break;
501             case 5: bits = laneHelper(5); break;
502             case 6: bits = laneHelper(6); break;
503             case 7: bits = laneHelper(7); break;
504             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
505         }
506         return Float.intBitsToFloat(bits);
507     }
508 
509     public int laneHelper(int i) {
510         return (int) VectorSupport.extract(
511                      VCLASS, ETYPE, VLENGTH,
512                      this, i,
513                      (vec, ix) -> {
514                      float[] vecarr = vec.vec();
515                      return (long)Float.floatToIntBits(vecarr[ix]);
516                      });
517     }
518 
519     @ForceInline
520     @Override
521     public Float256Vector withLane(int i, float e) {
522         switch(i) {
523             case 0: return withLaneHelper(0, e);
524             case 1: return withLaneHelper(1, e);
525             case 2: return withLaneHelper(2, e);
526             case 3: return withLaneHelper(3, e);
527             case 4: return withLaneHelper(4, e);
528             case 5: return withLaneHelper(5, e);
529             case 6: return withLaneHelper(6, e);
530             case 7: return withLaneHelper(7, e);
531             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
532         }
533     }
534 
535     public Float256Vector 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 Float256Mask 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         Float256Mask(boolean[] bits) {
553             this(bits, 0);
554         }
555 
556         Float256Mask(boolean[] bits, int offset) {
557             super(prepare(bits, offset));
558         }
559 
560         Float256Mask(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         Float256Mask 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 Float256Mask(res);
600         }
601 
602         @Override
603         Float256Mask bOp(VectorMask<Float> m, MBinOp f) {
604             boolean[] res = new boolean[vspecies().laneCount()];
605             boolean[] bits = getBits();
606             boolean[] mbits = ((Float256Mask)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 Float256Mask(res);
611         }
612 
613         @ForceInline
614         @Override
615         public final
616         Float256Vector toVector() {
617             return (Float256Vector) 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 Float256Mask eq(VectorMask<Float> mask) {
650             Objects.requireNonNull(mask);
651             Float256Mask m = (Float256Mask)mask;
652             return xor(m.not());
653         }
654 
655         // Unary operations
656 
657         @Override
658         @ForceInline
659         public Float256Mask not() {
660             return xor(maskAll(true));
661         }
662 
663         @Override
664         @ForceInline
665         public Float256Mask compress() {
666             return (Float256Mask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
667                 Float256Vector.class, Float256Mask.class, ETYPE, VLENGTH, null, this,
668                 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
669         }
670 
671 
672         // Binary operations
673 
674         @Override
675         @ForceInline
676         public Float256Mask and(VectorMask<Float> mask) {
677             Objects.requireNonNull(mask);
678             Float256Mask m = (Float256Mask)mask;
679             return VectorSupport.binaryOp(VECTOR_OP_AND, Float256Mask.class, null, int.class, VLENGTH,
680                                           this, m, null,
681                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
682         }
683 
684         @Override
685         @ForceInline
686         public Float256Mask or(VectorMask<Float> mask) {
687             Objects.requireNonNull(mask);
688             Float256Mask m = (Float256Mask)mask;
689             return VectorSupport.binaryOp(VECTOR_OP_OR, Float256Mask.class, null, int.class, VLENGTH,
690                                           this, m, null,
691                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
692         }
693 
694         @ForceInline
695         /* package-private */
696         Float256Mask xor(VectorMask<Float> mask) {
697             Objects.requireNonNull(mask);
698             Float256Mask m = (Float256Mask)mask;
699             return VectorSupport.binaryOp(VECTOR_OP_XOR, Float256Mask.class, null, int.class, VLENGTH,
700                                           this, m, null,
701                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
702         }
703 
704         // Mask Query operations
705 
706         @Override
707         @ForceInline
708         public int trueCount() {
709             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Float256Mask.class, int.class, VLENGTH, this,
710                                                       (m) -> trueCountHelper(m.getBits()));
711         }
712 
713         @Override
714         @ForceInline
715         public int firstTrue() {
716             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Float256Mask.class, int.class, VLENGTH, this,
717                                                       (m) -> firstTrueHelper(m.getBits()));
718         }
719 
720         @Override
721         @ForceInline
722         public int lastTrue() {
723             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Float256Mask.class, int.class, VLENGTH, this,
724                                                       (m) -> lastTrueHelper(m.getBits()));
725         }
726 
727         @Override
728         @ForceInline
729         public long toLong() {
730             if (length() > Long.SIZE) {
731                 throw new UnsupportedOperationException("too many lanes for one long");
732             }
733             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Float256Mask.class, int.class, VLENGTH, this,
734                                                       (m) -> toLongHelper(m.getBits()));
735         }
736 
737         // Reductions
738 
739         @Override
740         @ForceInline
741         public boolean anyTrue() {
742             return VectorSupport.test(BT_ne, Float256Mask.class, int.class, VLENGTH,
743                                          this, vspecies().maskAll(true),
744                                          (m, __) -> anyTrueHelper(((Float256Mask)m).getBits()));
745         }
746 
747         @Override
748         @ForceInline
749         public boolean allTrue() {
750             return VectorSupport.test(BT_overflow, Float256Mask.class, int.class, VLENGTH,
751                                          this, vspecies().maskAll(true),
752                                          (m, __) -> allTrueHelper(((Float256Mask)m).getBits()));
753         }
754 
755         @ForceInline
756         /*package-private*/
757         static Float256Mask maskAll(boolean bit) {
758             return VectorSupport.broadcastCoerced(Float256Mask.class, int.class, VLENGTH,
759                                                   (bit ? -1 : 0), null,
760                                                   (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
761         }
762         private static final Float256Mask  TRUE_MASK = new Float256Mask(true);
763         private static final Float256Mask FALSE_MASK = new Float256Mask(false);
764 
765     }
766 
767     // Shuffle
768 
769     static final class Float256Shuffle extends AbstractShuffle<Float> {
770         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
771         static final Class<Float> ETYPE = float.class; // used by the JVM
772 
773         Float256Shuffle(byte[] reorder) {
774             super(VLENGTH, reorder);
775         }
776 
777         public Float256Shuffle(int[] reorder) {
778             super(VLENGTH, reorder);
779         }
780 
781         public Float256Shuffle(int[] reorder, int i) {
782             super(VLENGTH, reorder, i);
783         }
784 
785         public Float256Shuffle(IntUnaryOperator fn) {
786             super(VLENGTH, fn);
787         }
788 
789         @Override
790         public FloatSpecies vspecies() {
791             return VSPECIES;
792         }
793 
794         static {
795             // There must be enough bits in the shuffle lanes to encode
796             // VLENGTH valid indexes and VLENGTH exceptional ones.
797             assert(VLENGTH < Byte.MAX_VALUE);
798             assert(Byte.MIN_VALUE <= -VLENGTH);
799         }
800         static final Float256Shuffle IOTA = new Float256Shuffle(IDENTITY);
801 
802         @Override
803         @ForceInline
804         public Float256Vector toVector() {
805             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Float256Shuffle.class, this, VLENGTH,
806                                                     (s) -> ((Float256Vector)(((AbstractShuffle<Float>)(s)).toVectorTemplate())));
807         }
808 
809         @Override
810         @ForceInline
811         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
812             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
813             if (length() != species.laneCount())
814                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
815             int[] shuffleArray = toArray();
816             return s.shuffleFromArray(shuffleArray, 0).check(s);
817         }
818 
819         @ForceInline
820         @Override
821         public Float256Shuffle rearrange(VectorShuffle<Float> shuffle) {
822             Float256Shuffle s = (Float256Shuffle) shuffle;
823             byte[] reorder1 = reorder();
824             byte[] reorder2 = s.reorder();
825             byte[] r = new byte[reorder1.length];
826             for (int i = 0; i < reorder1.length; i++) {
827                 int ssi = reorder2[i];
828                 r[i] = reorder1[ssi];  // throws on exceptional index
829             }
830             return new Float256Shuffle(r);
831         }
832     }
833 
834     // ================================================
835 
836     // Specialized low-level memory operations.
837 
838     @ForceInline
839     @Override
840     final
841     FloatVector fromArray0(float[] a, int offset) {
842         return super.fromArray0Template(a, offset);  // specialize
843     }
844 
845     @ForceInline
846     @Override
847     final
848     FloatVector fromArray0(float[] a, int offset, VectorMask<Float> m) {
849         return super.fromArray0Template(Float256Mask.class, a, offset, (Float256Mask) m);  // specialize
850     }
851 
852     @ForceInline
853     @Override
854     final
855     FloatVector fromArray0(float[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Float> m) {
856         return super.fromArray0Template(Float256Mask.class, a, offset, indexMap, mapOffset, (Float256Mask) m);
857     }
858 
859 
860 
861     @ForceInline
862     @Override
863     final
864     FloatVector fromByteArray0(byte[] a, int offset) {
865         return super.fromByteArray0Template(a, offset);  // specialize
866     }
867 
868     @ForceInline
869     @Override
870     final
871     FloatVector fromByteArray0(byte[] a, int offset, VectorMask<Float> m) {
872         return super.fromByteArray0Template(Float256Mask.class, a, offset, (Float256Mask) m);  // specialize
873     }
874 
875     @ForceInline
876     @Override
877     final
878     FloatVector fromByteBuffer0(ByteBuffer bb, int offset) {
879         return super.fromByteBuffer0Template(bb, offset);  // specialize
880     }
881 
882     @ForceInline
883     @Override
884     final
885     FloatVector fromByteBuffer0(ByteBuffer bb, int offset, VectorMask<Float> m) {
886         return super.fromByteBuffer0Template(Float256Mask.class, bb, offset, (Float256Mask) m);  // specialize
887     }
888 
889     @ForceInline
890     @Override
891     final
892     void intoArray0(float[] a, int offset) {
893         super.intoArray0Template(a, offset);  // specialize
894     }
895 
896     @ForceInline
897     @Override
898     final
899     void intoArray0(float[] a, int offset, VectorMask<Float> m) {
900         super.intoArray0Template(Float256Mask.class, a, offset, (Float256Mask) m);
901     }
902 
903     @ForceInline
904     @Override
905     final
906     void intoArray0(float[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Float> m) {
907         super.intoArray0Template(Float256Mask.class, a, offset, indexMap, mapOffset, (Float256Mask) m);
908     }
909 
910 
911     @ForceInline
912     @Override
913     final
914     void intoByteArray0(byte[] a, int offset) {
915         super.intoByteArray0Template(a, offset);  // specialize
916     }
917 
918     @ForceInline
919     @Override
920     final
921     void intoByteArray0(byte[] a, int offset, VectorMask<Float> m) {
922         super.intoByteArray0Template(Float256Mask.class, a, offset, (Float256Mask) m);  // specialize
923     }
924 
925     @ForceInline
926     @Override
927     final
928     void intoByteBuffer0(ByteBuffer bb, int offset, VectorMask<Float> m) {
929         super.intoByteBuffer0Template(Float256Mask.class, bb, offset, (Float256Mask) m);
930     }
931 
932 
933     // End of specialized low-level memory operations.
934 
935     // ================================================
936 
937 }
--- EOF ---