1 /*
  2  * Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.  Oracle designates this
  8  * particular file as subject to the "Classpath" exception as provided
  9  * by Oracle in the LICENSE file that accompanied this code.
 10  *
 11  * This code is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 14  * version 2 for more details (a copy is included in the LICENSE file that
 15  * accompanied this code).
 16  *
 17  * You should have received a copy of the GNU General Public License version
 18  * 2 along with this work; if not, write to the Free Software Foundation,
 19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20  *
 21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22  * or visit www.oracle.com if you need additional information or have any
 23  * questions.
 24  */
 25 package jdk.incubator.vector;
 26 

 27 import java.util.Arrays;
 28 import java.util.Objects;
 29 import java.util.function.IntUnaryOperator;
 30 
 31 import jdk.incubator.foreign.MemorySegment;
 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 Int64Vector extends IntVector {
 43     static final IntSpecies VSPECIES =
 44         (IntSpecies) IntVector.SPECIES_64;
 45 
 46     static final VectorShape VSHAPE =
 47         VSPECIES.vectorShape();
 48 
 49     static final Class<Int64Vector> VCLASS = Int64Vector.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<Integer> ETYPE = int.class; // used by the JVM
 56 
 57     Int64Vector(int[] v) {
 58         super(v);
 59     }
 60 
 61     // For compatibility as Int64Vector::new,
 62     // stored into species.vectorFactory.
 63     Int64Vector(Object v) {
 64         this((int[]) v);
 65     }
 66 
 67     static final Int64Vector ZERO = new Int64Vector(new int[VLENGTH]);
 68     static final Int64Vector IOTA = new Int64Vector(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 IntSpecies 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<Integer> elementType() { return int.class; }
 92 
 93     @ForceInline
 94     @Override
 95     public final int elementSize() { return Integer.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     int[] vec() {
117         return (int[])getPayload();
118     }
119 
120     // Virtualized constructors
121 
122     @Override
123     @ForceInline
124     public final Int64Vector broadcast(int e) {
125         return (Int64Vector) super.broadcastTemplate(e);  // specialize
126     }
127 
128     @Override
129     @ForceInline
130     public final Int64Vector broadcast(long e) {
131         return (Int64Vector) super.broadcastTemplate(e);  // specialize
132     }
133 
134     @Override
135     @ForceInline
136     Int64Mask maskFromArray(boolean[] bits) {
137         return new Int64Mask(bits);
138     }
139 
140     @Override
141     @ForceInline
142     Int64Shuffle iotaShuffle() { return Int64Shuffle.IOTA; }
143 
144     @ForceInline
145     Int64Shuffle iotaShuffle(int start, int step, boolean wrap) {
146       if (wrap) {
147         return (Int64Shuffle)VectorSupport.shuffleIota(ETYPE, Int64Shuffle.class, VSPECIES, VLENGTH, start, step, 1,
148                 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149       } else {
150         return (Int64Shuffle)VectorSupport.shuffleIota(ETYPE, Int64Shuffle.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     Int64Shuffle shuffleFromBytes(byte[] reorder) { return new Int64Shuffle(reorder); }
158 
159     @Override
160     @ForceInline
161     Int64Shuffle shuffleFromArray(int[] indexes, int i) { return new Int64Shuffle(indexes, i); }
162 
163     @Override
164     @ForceInline
165     Int64Shuffle shuffleFromOp(IntUnaryOperator fn) { return new Int64Shuffle(fn); }
166 
167     // Make a vector of the same species but the given elements:
168     @ForceInline
169     final @Override
170     Int64Vector vectorFactory(int[] vec) {
171         return new Int64Vector(vec);
172     }
173 
174     @ForceInline
175     final @Override
176     Byte64Vector asByteVectorRaw() {
177         return (Byte64Vector) 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     Int64Vector uOp(FUnOp f) {
191         return (Int64Vector) super.uOpTemplate(f);  // specialize
192     }
193 
194     @ForceInline
195     final @Override
196     Int64Vector uOp(VectorMask<Integer> m, FUnOp f) {
197         return (Int64Vector)
198             super.uOpTemplate((Int64Mask)m, f);  // specialize
199     }
200 
201     // Binary operator
202 
203     @ForceInline
204     final @Override
205     Int64Vector bOp(Vector<Integer> v, FBinOp f) {
206         return (Int64Vector) super.bOpTemplate((Int64Vector)v, f);  // specialize
207     }
208 
209     @ForceInline
210     final @Override
211     Int64Vector bOp(Vector<Integer> v,
212                      VectorMask<Integer> m, FBinOp f) {
213         return (Int64Vector)
214             super.bOpTemplate((Int64Vector)v, (Int64Mask)m,
215                               f);  // specialize
216     }
217 
218     // Ternary operator
219 
220     @ForceInline
221     final @Override
222     Int64Vector tOp(Vector<Integer> v1, Vector<Integer> v2, FTriOp f) {
223         return (Int64Vector)
224             super.tOpTemplate((Int64Vector)v1, (Int64Vector)v2,
225                               f);  // specialize
226     }
227 
228     @ForceInline
229     final @Override
230     Int64Vector tOp(Vector<Integer> v1, Vector<Integer> v2,
231                      VectorMask<Integer> m, FTriOp f) {
232         return (Int64Vector)
233             super.tOpTemplate((Int64Vector)v1, (Int64Vector)v2,
234                               (Int64Mask)m, f);  // specialize
235     }
236 
237     @ForceInline
238     final @Override
239     int rOp(int v, VectorMask<Integer> 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<Integer,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 Int64Vector lanewise(Unary op) {
273         return (Int64Vector) super.lanewiseTemplate(op);  // specialize
274     }
275 
276     @Override
277     @ForceInline
278     public Int64Vector lanewise(Unary op, VectorMask<Integer> m) {
279         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialize
280     }
281 
282     @Override
283     @ForceInline
284     public Int64Vector lanewise(Binary op, Vector<Integer> v) {
285         return (Int64Vector) super.lanewiseTemplate(op, v);  // specialize
286     }
287 
288     @Override
289     @ForceInline
290     public Int64Vector lanewise(Binary op, Vector<Integer> v, VectorMask<Integer> m) {
291         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, v, (Int64Mask) m);  // specialize
292     }
293 
294     /*package-private*/
295     @Override
296     @ForceInline Int64Vector
297     lanewiseShift(VectorOperators.Binary op, int e) {
298         return (Int64Vector) super.lanewiseShiftTemplate(op, e);  // specialize
299     }
300 
301     /*package-private*/
302     @Override
303     @ForceInline Int64Vector
304     lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Integer> m) {
305         return (Int64Vector) super.lanewiseShiftTemplate(op, Int64Mask.class, e, (Int64Mask) m);  // specialize
306     }
307 
308     /*package-private*/
309     @Override
310     @ForceInline
311     public final
312     Int64Vector
313     lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2) {
314         return (Int64Vector) super.lanewiseTemplate(op, v1, v2);  // specialize
315     }
316 
317     @Override
318     @ForceInline
319     public final
320     Int64Vector
321     lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2, VectorMask<Integer> m) {
322         return (Int64Vector) super.lanewiseTemplate(op, Int64Mask.class, v1, v2, (Int64Mask) m);  // specialize
323     }
324 
325     @Override
326     @ForceInline
327     public final
328     Int64Vector addIndex(int scale) {
329         return (Int64Vector) super.addIndexTemplate(scale);  // specialize
330     }
331 
332     // Type specific horizontal reductions
333 
334     @Override
335     @ForceInline
336     public final int reduceLanes(VectorOperators.Associative op) {
337         return super.reduceLanesTemplate(op);  // specialized
338     }
339 
340     @Override
341     @ForceInline
342     public final int reduceLanes(VectorOperators.Associative op,
343                                     VectorMask<Integer> m) {
344         return super.reduceLanesTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialized
345     }
346 
347     @Override
348     @ForceInline
349     public final long reduceLanesToLong(VectorOperators.Associative op) {
350         return (long) super.reduceLanesTemplate(op);  // specialized
351     }
352 
353     @Override
354     @ForceInline
355     public final long reduceLanesToLong(VectorOperators.Associative op,
356                                         VectorMask<Integer> m) {
357         return (long) super.reduceLanesTemplate(op, Int64Mask.class, (Int64Mask) m);  // specialized
358     }
359 
360     @ForceInline
361     public VectorShuffle<Integer> toShuffle() {
362         return super.toShuffleTemplate(Int64Shuffle.class); // specialize
363     }
364 
365     // Specialized unary testing
366 
367     @Override
368     @ForceInline
369     public final Int64Mask test(Test op) {
370         return super.testTemplate(Int64Mask.class, op);  // specialize
371     }
372 
373     @Override
374     @ForceInline
375     public final Int64Mask test(Test op, VectorMask<Integer> m) {
376         return super.testTemplate(Int64Mask.class, op, (Int64Mask) m);  // specialize
377     }
378 
379     // Specialized comparisons
380 
381     @Override
382     @ForceInline
383     public final Int64Mask compare(Comparison op, Vector<Integer> v) {
384         return super.compareTemplate(Int64Mask.class, op, v);  // specialize
385     }
386 
387     @Override
388     @ForceInline
389     public final Int64Mask compare(Comparison op, int s) {
390         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
391     }
392 
393     @Override
394     @ForceInline
395     public final Int64Mask compare(Comparison op, long s) {
396         return super.compareTemplate(Int64Mask.class, op, s);  // specialize
397     }
398 
399     @Override
400     @ForceInline
401     public final Int64Mask compare(Comparison op, Vector<Integer> v, VectorMask<Integer> m) {
402         return super.compareTemplate(Int64Mask.class, op, v, (Int64Mask) m);
403     }
404 
405 
406     @Override
407     @ForceInline
408     public Int64Vector blend(Vector<Integer> v, VectorMask<Integer> m) {
409         return (Int64Vector)
410             super.blendTemplate(Int64Mask.class,
411                                 (Int64Vector) v,
412                                 (Int64Mask) m);  // specialize
413     }
414 
415     @Override
416     @ForceInline
417     public Int64Vector slice(int origin, Vector<Integer> v) {
418         return (Int64Vector) super.sliceTemplate(origin, v);  // specialize
419     }
420 
421     @Override
422     @ForceInline
423     public Int64Vector slice(int origin) {
424         return (Int64Vector) super.sliceTemplate(origin);  // specialize
425     }
426 
427     @Override
428     @ForceInline
429     public Int64Vector unslice(int origin, Vector<Integer> w, int part) {
430         return (Int64Vector) super.unsliceTemplate(origin, w, part);  // specialize
431     }
432 
433     @Override
434     @ForceInline
435     public Int64Vector unslice(int origin, Vector<Integer> w, int part, VectorMask<Integer> m) {
436         return (Int64Vector)
437             super.unsliceTemplate(Int64Mask.class,
438                                   origin, w, part,
439                                   (Int64Mask) m);  // specialize
440     }
441 
442     @Override
443     @ForceInline
444     public Int64Vector unslice(int origin) {
445         return (Int64Vector) super.unsliceTemplate(origin);  // specialize
446     }
447 
448     @Override
449     @ForceInline
450     public Int64Vector rearrange(VectorShuffle<Integer> s) {
451         return (Int64Vector)
452             super.rearrangeTemplate(Int64Shuffle.class,
453                                     (Int64Shuffle) s);  // specialize
454     }
455 
456     @Override
457     @ForceInline
458     public Int64Vector rearrange(VectorShuffle<Integer> shuffle,
459                                   VectorMask<Integer> m) {
460         return (Int64Vector)
461             super.rearrangeTemplate(Int64Shuffle.class,
462                                     Int64Mask.class,
463                                     (Int64Shuffle) shuffle,
464                                     (Int64Mask) m);  // specialize
465     }
466 
467     @Override
468     @ForceInline
469     public Int64Vector rearrange(VectorShuffle<Integer> s,
470                                   Vector<Integer> v) {
471         return (Int64Vector)
472             super.rearrangeTemplate(Int64Shuffle.class,
473                                     (Int64Shuffle) s,
474                                     (Int64Vector) v);  // specialize
475     }
476 
477     @Override
478     @ForceInline
479     public Int64Vector compress(VectorMask<Integer> m) {
480         return (Int64Vector)
481             super.compressTemplate(Int64Mask.class,
482                                    (Int64Mask) m);  // specialize
483     }
484 
485     @Override
486     @ForceInline
487     public Int64Vector expand(VectorMask<Integer> m) {
488         return (Int64Vector)
489             super.expandTemplate(Int64Mask.class,
490                                    (Int64Mask) m);  // specialize
491     }
492 
493     @Override
494     @ForceInline
495     public Int64Vector selectFrom(Vector<Integer> v) {
496         return (Int64Vector)
497             super.selectFromTemplate((Int64Vector) v);  // specialize
498     }
499 
500     @Override
501     @ForceInline
502     public Int64Vector selectFrom(Vector<Integer> v,
503                                    VectorMask<Integer> m) {
504         return (Int64Vector)
505             super.selectFromTemplate((Int64Vector) v,
506                                      (Int64Mask) m);  // specialize
507     }
508 
509 
510     @ForceInline
511     @Override
512     public int lane(int i) {
513         switch(i) {
514             case 0: return laneHelper(0);
515             case 1: return laneHelper(1);
516             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
517         }
518     }
519 
520     public int laneHelper(int i) {
521         return (int) VectorSupport.extract(
522                                 VCLASS, ETYPE, VLENGTH,
523                                 this, i,
524                                 (vec, ix) -> {
525                                     int[] vecarr = vec.vec();
526                                     return (long)vecarr[ix];
527                                 });
528     }
529 
530     @ForceInline
531     @Override
532     public Int64Vector withLane(int i, int e) {
533         switch (i) {
534             case 0: return withLaneHelper(0, e);
535             case 1: return withLaneHelper(1, e);
536             default: throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
537         }
538     }
539 
540     public Int64Vector withLaneHelper(int i, int e) {
541         return VectorSupport.insert(
542                                 VCLASS, ETYPE, VLENGTH,
543                                 this, i, (long)e,
544                                 (v, ix, bits) -> {
545                                     int[] res = v.vec().clone();
546                                     res[ix] = (int)bits;
547                                     return v.vectorFactory(res);
548                                 });
549     }
550 
551     // Mask
552 
553     static final class Int64Mask extends AbstractMask<Integer> {
554         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
555         static final Class<Integer> ETYPE = int.class; // used by the JVM
556 
557         Int64Mask(boolean[] bits) {
558             this(bits, 0);
559         }
560 
561         Int64Mask(boolean[] bits, int offset) {
562             super(prepare(bits, offset));
563         }
564 
565         Int64Mask(boolean val) {
566             super(prepare(val));
567         }
568 
569         private static boolean[] prepare(boolean[] bits, int offset) {
570             boolean[] newBits = new boolean[VSPECIES.laneCount()];
571             for (int i = 0; i < newBits.length; i++) {
572                 newBits[i] = bits[offset + i];
573             }
574             return newBits;
575         }
576 
577         private static boolean[] prepare(boolean val) {
578             boolean[] bits = new boolean[VSPECIES.laneCount()];
579             Arrays.fill(bits, val);
580             return bits;
581         }
582 
583         @ForceInline
584         final @Override
585         public IntSpecies vspecies() {
586             // ISSUE:  This should probably be a @Stable
587             // field inside AbstractMask, rather than
588             // a megamorphic method.
589             return VSPECIES;
590         }
591 
592         @ForceInline
593         boolean[] getBits() {
594             return (boolean[])getPayload();
595         }
596 
597         @Override
598         Int64Mask uOp(MUnOp f) {
599             boolean[] res = new boolean[vspecies().laneCount()];
600             boolean[] bits = getBits();
601             for (int i = 0; i < res.length; i++) {
602                 res[i] = f.apply(i, bits[i]);
603             }
604             return new Int64Mask(res);
605         }
606 
607         @Override
608         Int64Mask bOp(VectorMask<Integer> m, MBinOp f) {
609             boolean[] res = new boolean[vspecies().laneCount()];
610             boolean[] bits = getBits();
611             boolean[] mbits = ((Int64Mask)m).getBits();
612             for (int i = 0; i < res.length; i++) {
613                 res[i] = f.apply(i, bits[i], mbits[i]);
614             }
615             return new Int64Mask(res);
616         }
617 
618         @ForceInline
619         @Override
620         public final
621         Int64Vector toVector() {
622             return (Int64Vector) super.toVectorTemplate();  // specialize
623         }
624 
625         /**
626          * Helper function for lane-wise mask conversions.
627          * This function kicks in after intrinsic failure.
628          */
629         @ForceInline
630         private final <E>
631         VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
632             if (length() != dsp.laneCount())
633                 throw new IllegalArgumentException("VectorMask length and species length differ");
634             boolean[] maskArray = toArray();
635             return  dsp.maskFactory(maskArray).check(dsp);
636         }
637 
638         @Override
639         @ForceInline
640         public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
641             AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
642             if (length() != species.laneCount())
643                 throw new IllegalArgumentException("VectorMask length and species length differ");
644 
645             return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
646                 this.getClass(), ETYPE, VLENGTH,
647                 species.maskType(), species.elementType(), VLENGTH,
648                 this, species,
649                 (m, s) -> s.maskFactory(m.toArray()).check(s));
650         }
651 
652         @Override
653         @ForceInline
654         public Int64Mask eq(VectorMask<Integer> mask) {
655             Objects.requireNonNull(mask);
656             Int64Mask m = (Int64Mask)mask;
657             return xor(m.not());
658         }
659 
660         // Unary operations
661 
662         @Override
663         @ForceInline
664         public Int64Mask not() {
665             return xor(maskAll(true));
666         }
667 
668         @Override
669         @ForceInline
670         public Int64Mask compress() {
671             return (Int64Mask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
672                 Int64Vector.class, Int64Mask.class, ETYPE, VLENGTH, null, this,
673                 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
674         }
675 
676 
677         // Binary operations
678 
679         @Override
680         @ForceInline
681         public Int64Mask and(VectorMask<Integer> mask) {
682             Objects.requireNonNull(mask);
683             Int64Mask m = (Int64Mask)mask;
684             return VectorSupport.binaryOp(VECTOR_OP_AND, Int64Mask.class, null, int.class, VLENGTH,
685                                           this, m, null,
686                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
687         }
688 
689         @Override
690         @ForceInline
691         public Int64Mask or(VectorMask<Integer> mask) {
692             Objects.requireNonNull(mask);
693             Int64Mask m = (Int64Mask)mask;
694             return VectorSupport.binaryOp(VECTOR_OP_OR, Int64Mask.class, null, int.class, VLENGTH,
695                                           this, m, null,
696                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
697         }
698 
699         @ForceInline
700         /* package-private */
701         Int64Mask xor(VectorMask<Integer> mask) {
702             Objects.requireNonNull(mask);
703             Int64Mask m = (Int64Mask)mask;
704             return VectorSupport.binaryOp(VECTOR_OP_XOR, Int64Mask.class, null, int.class, VLENGTH,
705                                           this, m, null,
706                                           (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
707         }
708 
709         // Mask Query operations
710 
711         @Override
712         @ForceInline
713         public int trueCount() {
714             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, Int64Mask.class, int.class, VLENGTH, this,
715                                                       (m) -> trueCountHelper(m.getBits()));
716         }
717 
718         @Override
719         @ForceInline
720         public int firstTrue() {
721             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, Int64Mask.class, int.class, VLENGTH, this,
722                                                       (m) -> firstTrueHelper(m.getBits()));
723         }
724 
725         @Override
726         @ForceInline
727         public int lastTrue() {
728             return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, Int64Mask.class, int.class, VLENGTH, this,
729                                                       (m) -> lastTrueHelper(m.getBits()));
730         }
731 
732         @Override
733         @ForceInline
734         public long toLong() {
735             if (length() > Long.SIZE) {
736                 throw new UnsupportedOperationException("too many lanes for one long");
737             }
738             return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, Int64Mask.class, int.class, VLENGTH, this,
739                                                       (m) -> toLongHelper(m.getBits()));
740         }
741 
742         // Reductions
743 
744         @Override
745         @ForceInline
746         public boolean anyTrue() {
747             return VectorSupport.test(BT_ne, Int64Mask.class, int.class, VLENGTH,
748                                          this, vspecies().maskAll(true),
749                                          (m, __) -> anyTrueHelper(((Int64Mask)m).getBits()));
750         }
751 
752         @Override
753         @ForceInline
754         public boolean allTrue() {
755             return VectorSupport.test(BT_overflow, Int64Mask.class, int.class, VLENGTH,
756                                          this, vspecies().maskAll(true),
757                                          (m, __) -> allTrueHelper(((Int64Mask)m).getBits()));
758         }
759 
760         @ForceInline
761         /*package-private*/
762         static Int64Mask maskAll(boolean bit) {
763             return VectorSupport.fromBitsCoerced(Int64Mask.class, int.class, VLENGTH,
764                                                  (bit ? -1 : 0), MODE_BROADCAST, null,
765                                                  (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
766         }
767         private static final Int64Mask  TRUE_MASK = new Int64Mask(true);
768         private static final Int64Mask FALSE_MASK = new Int64Mask(false);
769 
770     }
771 
772     // Shuffle
773 
774     static final class Int64Shuffle extends AbstractShuffle<Integer> {
775         static final int VLENGTH = VSPECIES.laneCount();    // used by the JVM
776         static final Class<Integer> ETYPE = int.class; // used by the JVM
777 
778         Int64Shuffle(byte[] reorder) {
779             super(VLENGTH, reorder);
780         }
781 
782         public Int64Shuffle(int[] reorder) {
783             super(VLENGTH, reorder);
784         }
785 
786         public Int64Shuffle(int[] reorder, int i) {
787             super(VLENGTH, reorder, i);
788         }
789 
790         public Int64Shuffle(IntUnaryOperator fn) {
791             super(VLENGTH, fn);
792         }
793 
794         @Override
795         public IntSpecies vspecies() {
796             return VSPECIES;
797         }
798 
799         static {
800             // There must be enough bits in the shuffle lanes to encode
801             // VLENGTH valid indexes and VLENGTH exceptional ones.
802             assert(VLENGTH < Byte.MAX_VALUE);
803             assert(Byte.MIN_VALUE <= -VLENGTH);
804         }
805         static final Int64Shuffle IOTA = new Int64Shuffle(IDENTITY);
806 
807         @Override
808         @ForceInline
809         public Int64Vector toVector() {
810             return VectorSupport.shuffleToVector(VCLASS, ETYPE, Int64Shuffle.class, this, VLENGTH,
811                                                     (s) -> ((Int64Vector)(((AbstractShuffle<Integer>)(s)).toVectorTemplate())));
812         }
813 
814         @Override
815         @ForceInline
816         public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
817             AbstractSpecies<F> species = (AbstractSpecies<F>) s;
818             if (length() != species.laneCount())
819                 throw new IllegalArgumentException("VectorShuffle length and species length differ");
820             int[] shuffleArray = toArray();
821             return s.shuffleFromArray(shuffleArray, 0).check(s);
822         }
823 
824         @ForceInline
825         @Override
826         public Int64Shuffle rearrange(VectorShuffle<Integer> shuffle) {
827             Int64Shuffle s = (Int64Shuffle) shuffle;
828             byte[] reorder1 = reorder();
829             byte[] reorder2 = s.reorder();
830             byte[] r = new byte[reorder1.length];
831             for (int i = 0; i < reorder1.length; i++) {
832                 int ssi = reorder2[i];
833                 r[i] = reorder1[ssi];  // throws on exceptional index
834             }
835             return new Int64Shuffle(r);
836         }
837     }
838 
839     // ================================================
840 
841     // Specialized low-level memory operations.
842 
843     @ForceInline
844     @Override
845     final
846     IntVector fromArray0(int[] a, int offset) {
847         return super.fromArray0Template(a, offset);  // specialize
848     }
849 
850     @ForceInline
851     @Override
852     final
853     IntVector fromArray0(int[] a, int offset, VectorMask<Integer> m) {
854         return super.fromArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);  // specialize
855     }
856 
857     @ForceInline
858     @Override
859     final
860     IntVector fromArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
861         return super.fromArray0Template(Int64Mask.class, a, offset, indexMap, mapOffset, (Int64Mask) m);
862     }
863 
864 
865 
866     @ForceInline
867     @Override
868     final
869     IntVector fromMemorySegment0(MemorySegment ms, long offset) {
870         return super.fromMemorySegment0Template(ms, offset);  // specialize
871     }
872 
873     @ForceInline
874     @Override
875     final
876     IntVector fromMemorySegment0(MemorySegment ms, long offset, VectorMask<Integer> m) {
877         return super.fromMemorySegment0Template(Int64Mask.class, ms, offset, (Int64Mask) m);  // specialize














878     }
879 
880     @ForceInline
881     @Override
882     final
883     void intoArray0(int[] a, int offset) {
884         super.intoArray0Template(a, offset);  // specialize
885     }
886 
887     @ForceInline
888     @Override
889     final
890     void intoArray0(int[] a, int offset, VectorMask<Integer> m) {
891         super.intoArray0Template(Int64Mask.class, a, offset, (Int64Mask) m);
892     }
893 
894     @ForceInline
895     @Override
896     final
897     void intoArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
898         super.intoArray0Template(Int64Mask.class, a, offset, indexMap, mapOffset, (Int64Mask) m);
899     }
900 
901 
902     @ForceInline
903     @Override
904     final
905     void intoMemorySegment0(MemorySegment ms, long offset, VectorMask<Integer> m) {
906         super.intoMemorySegment0Template(Int64Mask.class, ms, offset, (Int64Mask) m);














907     }
908 
909 
910     // End of specialized low-level memory operations.
911 
912     // ================================================
913 
914 }
--- EOF ---