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 IntMaxVector extends IntVector {
43 static final IntSpecies VSPECIES =
44 (IntSpecies) IntVector.SPECIES_MAX;
45
46 static final VectorShape VSHAPE =
47 VSPECIES.vectorShape();
48
49 static final Class<IntMaxVector> VCLASS = IntMaxVector.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 IntMaxVector(int[] v) {
58 super(v);
59 }
60
61 // For compatibility as IntMaxVector::new,
62 // stored into species.vectorFactory.
63 IntMaxVector(Object v) {
64 this((int[]) v);
65 }
66
67 static final IntMaxVector ZERO = new IntMaxVector(new int[VLENGTH]);
68 static final IntMaxVector IOTA = new IntMaxVector(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 IntMaxVector broadcast(int e) {
125 return (IntMaxVector) super.broadcastTemplate(e); // specialize
126 }
127
128 @Override
129 @ForceInline
130 public final IntMaxVector broadcast(long e) {
131 return (IntMaxVector) super.broadcastTemplate(e); // specialize
132 }
133
134 @Override
135 @ForceInline
136 IntMaxMask maskFromArray(boolean[] bits) {
137 return new IntMaxMask(bits);
138 }
139
140 @Override
141 @ForceInline
142 IntMaxShuffle iotaShuffle() { return IntMaxShuffle.IOTA; }
143
144 @ForceInline
145 IntMaxShuffle iotaShuffle(int start, int step, boolean wrap) {
146 if (wrap) {
147 return (IntMaxShuffle)VectorSupport.shuffleIota(ETYPE, IntMaxShuffle.class, VSPECIES, VLENGTH, start, step, 1,
148 (l, lstart, lstep, s) -> s.shuffleFromOp(i -> (VectorIntrinsics.wrapToRange(i*lstep + lstart, l))));
149 } else {
150 return (IntMaxShuffle)VectorSupport.shuffleIota(ETYPE, IntMaxShuffle.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 IntMaxShuffle shuffleFromBytes(byte[] reorder) { return new IntMaxShuffle(reorder); }
158
159 @Override
160 @ForceInline
161 IntMaxShuffle shuffleFromArray(int[] indexes, int i) { return new IntMaxShuffle(indexes, i); }
162
163 @Override
164 @ForceInline
165 IntMaxShuffle shuffleFromOp(IntUnaryOperator fn) { return new IntMaxShuffle(fn); }
166
167 // Make a vector of the same species but the given elements:
168 @ForceInline
169 final @Override
170 IntMaxVector vectorFactory(int[] vec) {
171 return new IntMaxVector(vec);
172 }
173
174 @ForceInline
175 final @Override
176 ByteMaxVector asByteVectorRaw() {
177 return (ByteMaxVector) 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 IntMaxVector uOp(FUnOp f) {
191 return (IntMaxVector) super.uOpTemplate(f); // specialize
192 }
193
194 @ForceInline
195 final @Override
196 IntMaxVector uOp(VectorMask<Integer> m, FUnOp f) {
197 return (IntMaxVector)
198 super.uOpTemplate((IntMaxMask)m, f); // specialize
199 }
200
201 // Binary operator
202
203 @ForceInline
204 final @Override
205 IntMaxVector bOp(Vector<Integer> v, FBinOp f) {
206 return (IntMaxVector) super.bOpTemplate((IntMaxVector)v, f); // specialize
207 }
208
209 @ForceInline
210 final @Override
211 IntMaxVector bOp(Vector<Integer> v,
212 VectorMask<Integer> m, FBinOp f) {
213 return (IntMaxVector)
214 super.bOpTemplate((IntMaxVector)v, (IntMaxMask)m,
215 f); // specialize
216 }
217
218 // Ternary operator
219
220 @ForceInline
221 final @Override
222 IntMaxVector tOp(Vector<Integer> v1, Vector<Integer> v2, FTriOp f) {
223 return (IntMaxVector)
224 super.tOpTemplate((IntMaxVector)v1, (IntMaxVector)v2,
225 f); // specialize
226 }
227
228 @ForceInline
229 final @Override
230 IntMaxVector tOp(Vector<Integer> v1, Vector<Integer> v2,
231 VectorMask<Integer> m, FTriOp f) {
232 return (IntMaxVector)
233 super.tOpTemplate((IntMaxVector)v1, (IntMaxVector)v2,
234 (IntMaxMask)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 IntMaxVector lanewise(Unary op) {
273 return (IntMaxVector) super.lanewiseTemplate(op); // specialize
274 }
275
276 @Override
277 @ForceInline
278 public IntMaxVector lanewise(Unary op, VectorMask<Integer> m) {
279 return (IntMaxVector) super.lanewiseTemplate(op, IntMaxMask.class, (IntMaxMask) m); // specialize
280 }
281
282 @Override
283 @ForceInline
284 public IntMaxVector lanewise(Binary op, Vector<Integer> v) {
285 return (IntMaxVector) super.lanewiseTemplate(op, v); // specialize
286 }
287
288 @Override
289 @ForceInline
290 public IntMaxVector lanewise(Binary op, Vector<Integer> v, VectorMask<Integer> m) {
291 return (IntMaxVector) super.lanewiseTemplate(op, IntMaxMask.class, v, (IntMaxMask) m); // specialize
292 }
293
294 /*package-private*/
295 @Override
296 @ForceInline IntMaxVector
297 lanewiseShift(VectorOperators.Binary op, int e) {
298 return (IntMaxVector) super.lanewiseShiftTemplate(op, e); // specialize
299 }
300
301 /*package-private*/
302 @Override
303 @ForceInline IntMaxVector
304 lanewiseShift(VectorOperators.Binary op, int e, VectorMask<Integer> m) {
305 return (IntMaxVector) super.lanewiseShiftTemplate(op, IntMaxMask.class, e, (IntMaxMask) m); // specialize
306 }
307
308 /*package-private*/
309 @Override
310 @ForceInline
311 public final
312 IntMaxVector
313 lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2) {
314 return (IntMaxVector) super.lanewiseTemplate(op, v1, v2); // specialize
315 }
316
317 @Override
318 @ForceInline
319 public final
320 IntMaxVector
321 lanewise(Ternary op, Vector<Integer> v1, Vector<Integer> v2, VectorMask<Integer> m) {
322 return (IntMaxVector) super.lanewiseTemplate(op, IntMaxMask.class, v1, v2, (IntMaxMask) m); // specialize
323 }
324
325 @Override
326 @ForceInline
327 public final
328 IntMaxVector addIndex(int scale) {
329 return (IntMaxVector) 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, IntMaxMask.class, (IntMaxMask) 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, IntMaxMask.class, (IntMaxMask) m); // specialized
358 }
359
360 @ForceInline
361 public VectorShuffle<Integer> toShuffle() {
362 return super.toShuffleTemplate(IntMaxShuffle.class); // specialize
363 }
364
365 // Specialized unary testing
366
367 @Override
368 @ForceInline
369 public final IntMaxMask test(Test op) {
370 return super.testTemplate(IntMaxMask.class, op); // specialize
371 }
372
373 @Override
374 @ForceInline
375 public final IntMaxMask test(Test op, VectorMask<Integer> m) {
376 return super.testTemplate(IntMaxMask.class, op, (IntMaxMask) m); // specialize
377 }
378
379 // Specialized comparisons
380
381 @Override
382 @ForceInline
383 public final IntMaxMask compare(Comparison op, Vector<Integer> v) {
384 return super.compareTemplate(IntMaxMask.class, op, v); // specialize
385 }
386
387 @Override
388 @ForceInline
389 public final IntMaxMask compare(Comparison op, int s) {
390 return super.compareTemplate(IntMaxMask.class, op, s); // specialize
391 }
392
393 @Override
394 @ForceInline
395 public final IntMaxMask compare(Comparison op, long s) {
396 return super.compareTemplate(IntMaxMask.class, op, s); // specialize
397 }
398
399 @Override
400 @ForceInline
401 public final IntMaxMask compare(Comparison op, Vector<Integer> v, VectorMask<Integer> m) {
402 return super.compareTemplate(IntMaxMask.class, op, v, (IntMaxMask) m);
403 }
404
405
406 @Override
407 @ForceInline
408 public IntMaxVector blend(Vector<Integer> v, VectorMask<Integer> m) {
409 return (IntMaxVector)
410 super.blendTemplate(IntMaxMask.class,
411 (IntMaxVector) v,
412 (IntMaxMask) m); // specialize
413 }
414
415 @Override
416 @ForceInline
417 public IntMaxVector slice(int origin, Vector<Integer> v) {
418 return (IntMaxVector) super.sliceTemplate(origin, v); // specialize
419 }
420
421 @Override
422 @ForceInline
423 public IntMaxVector slice(int origin) {
424 return (IntMaxVector) super.sliceTemplate(origin); // specialize
425 }
426
427 @Override
428 @ForceInline
429 public IntMaxVector unslice(int origin, Vector<Integer> w, int part) {
430 return (IntMaxVector) super.unsliceTemplate(origin, w, part); // specialize
431 }
432
433 @Override
434 @ForceInline
435 public IntMaxVector unslice(int origin, Vector<Integer> w, int part, VectorMask<Integer> m) {
436 return (IntMaxVector)
437 super.unsliceTemplate(IntMaxMask.class,
438 origin, w, part,
439 (IntMaxMask) m); // specialize
440 }
441
442 @Override
443 @ForceInline
444 public IntMaxVector unslice(int origin) {
445 return (IntMaxVector) super.unsliceTemplate(origin); // specialize
446 }
447
448 @Override
449 @ForceInline
450 public IntMaxVector rearrange(VectorShuffle<Integer> s) {
451 return (IntMaxVector)
452 super.rearrangeTemplate(IntMaxShuffle.class,
453 (IntMaxShuffle) s); // specialize
454 }
455
456 @Override
457 @ForceInline
458 public IntMaxVector rearrange(VectorShuffle<Integer> shuffle,
459 VectorMask<Integer> m) {
460 return (IntMaxVector)
461 super.rearrangeTemplate(IntMaxShuffle.class,
462 IntMaxMask.class,
463 (IntMaxShuffle) shuffle,
464 (IntMaxMask) m); // specialize
465 }
466
467 @Override
468 @ForceInline
469 public IntMaxVector rearrange(VectorShuffle<Integer> s,
470 Vector<Integer> v) {
471 return (IntMaxVector)
472 super.rearrangeTemplate(IntMaxShuffle.class,
473 (IntMaxShuffle) s,
474 (IntMaxVector) v); // specialize
475 }
476
477 @Override
478 @ForceInline
479 public IntMaxVector compress(VectorMask<Integer> m) {
480 return (IntMaxVector)
481 super.compressTemplate(IntMaxMask.class,
482 (IntMaxMask) m); // specialize
483 }
484
485 @Override
486 @ForceInline
487 public IntMaxVector expand(VectorMask<Integer> m) {
488 return (IntMaxVector)
489 super.expandTemplate(IntMaxMask.class,
490 (IntMaxMask) m); // specialize
491 }
492
493 @Override
494 @ForceInline
495 public IntMaxVector selectFrom(Vector<Integer> v) {
496 return (IntMaxVector)
497 super.selectFromTemplate((IntMaxVector) v); // specialize
498 }
499
500 @Override
501 @ForceInline
502 public IntMaxVector selectFrom(Vector<Integer> v,
503 VectorMask<Integer> m) {
504 return (IntMaxVector)
505 super.selectFromTemplate((IntMaxVector) v,
506 (IntMaxMask) m); // specialize
507 }
508
509
510 @ForceInline
511 @Override
512 public int lane(int i) {
513 if (i < 0 || i >= VLENGTH) {
514 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
515 }
516 return laneHelper(i);
517 }
518
519 public int laneHelper(int i) {
520 return (int) VectorSupport.extract(
521 VCLASS, ETYPE, VLENGTH,
522 this, i,
523 (vec, ix) -> {
524 int[] vecarr = vec.vec();
525 return (long)vecarr[ix];
526 });
527 }
528
529 @ForceInline
530 @Override
531 public IntMaxVector withLane(int i, int e) {
532 if (i < 0 || i >= VLENGTH) {
533 throw new IllegalArgumentException("Index " + i + " must be zero or positive, and less than " + VLENGTH);
534 }
535 return withLaneHelper(i, e);
536 }
537
538 public IntMaxVector withLaneHelper(int i, int e) {
539 return VectorSupport.insert(
540 VCLASS, ETYPE, VLENGTH,
541 this, i, (long)e,
542 (v, ix, bits) -> {
543 int[] res = v.vec().clone();
544 res[ix] = (int)bits;
545 return v.vectorFactory(res);
546 });
547 }
548
549 // Mask
550
551 static final class IntMaxMask extends AbstractMask<Integer> {
552 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
553 static final Class<Integer> ETYPE = int.class; // used by the JVM
554
555 IntMaxMask(boolean[] bits) {
556 this(bits, 0);
557 }
558
559 IntMaxMask(boolean[] bits, int offset) {
560 super(prepare(bits, offset));
561 }
562
563 IntMaxMask(boolean val) {
564 super(prepare(val));
565 }
566
567 private static boolean[] prepare(boolean[] bits, int offset) {
568 boolean[] newBits = new boolean[VSPECIES.laneCount()];
569 for (int i = 0; i < newBits.length; i++) {
570 newBits[i] = bits[offset + i];
571 }
572 return newBits;
573 }
574
575 private static boolean[] prepare(boolean val) {
576 boolean[] bits = new boolean[VSPECIES.laneCount()];
577 Arrays.fill(bits, val);
578 return bits;
579 }
580
581 @ForceInline
582 final @Override
583 public IntSpecies vspecies() {
584 // ISSUE: This should probably be a @Stable
585 // field inside AbstractMask, rather than
586 // a megamorphic method.
587 return VSPECIES;
588 }
589
590 @ForceInline
591 boolean[] getBits() {
592 return (boolean[])getPayload();
593 }
594
595 @Override
596 IntMaxMask uOp(MUnOp f) {
597 boolean[] res = new boolean[vspecies().laneCount()];
598 boolean[] bits = getBits();
599 for (int i = 0; i < res.length; i++) {
600 res[i] = f.apply(i, bits[i]);
601 }
602 return new IntMaxMask(res);
603 }
604
605 @Override
606 IntMaxMask bOp(VectorMask<Integer> m, MBinOp f) {
607 boolean[] res = new boolean[vspecies().laneCount()];
608 boolean[] bits = getBits();
609 boolean[] mbits = ((IntMaxMask)m).getBits();
610 for (int i = 0; i < res.length; i++) {
611 res[i] = f.apply(i, bits[i], mbits[i]);
612 }
613 return new IntMaxMask(res);
614 }
615
616 @ForceInline
617 @Override
618 public final
619 IntMaxVector toVector() {
620 return (IntMaxVector) super.toVectorTemplate(); // specialize
621 }
622
623 /**
624 * Helper function for lane-wise mask conversions.
625 * This function kicks in after intrinsic failure.
626 */
627 @ForceInline
628 private final <E>
629 VectorMask<E> defaultMaskCast(AbstractSpecies<E> dsp) {
630 if (length() != dsp.laneCount())
631 throw new IllegalArgumentException("VectorMask length and species length differ");
632 boolean[] maskArray = toArray();
633 return dsp.maskFactory(maskArray).check(dsp);
634 }
635
636 @Override
637 @ForceInline
638 public <E> VectorMask<E> cast(VectorSpecies<E> dsp) {
639 AbstractSpecies<E> species = (AbstractSpecies<E>) dsp;
640 if (length() != species.laneCount())
641 throw new IllegalArgumentException("VectorMask length and species length differ");
642
643 return VectorSupport.convert(VectorSupport.VECTOR_OP_CAST,
644 this.getClass(), ETYPE, VLENGTH,
645 species.maskType(), species.elementType(), VLENGTH,
646 this, species,
647 (m, s) -> s.maskFactory(m.toArray()).check(s));
648 }
649
650 @Override
651 @ForceInline
652 public IntMaxMask eq(VectorMask<Integer> mask) {
653 Objects.requireNonNull(mask);
654 IntMaxMask m = (IntMaxMask)mask;
655 return xor(m.not());
656 }
657
658 // Unary operations
659
660 @Override
661 @ForceInline
662 public IntMaxMask not() {
663 return xor(maskAll(true));
664 }
665
666 @Override
667 @ForceInline
668 public IntMaxMask compress() {
669 return (IntMaxMask)VectorSupport.comExpOp(VectorSupport.VECTOR_OP_MASK_COMPRESS,
670 IntMaxVector.class, IntMaxMask.class, ETYPE, VLENGTH, null, this,
671 (v1, m1) -> VSPECIES.iota().compare(VectorOperators.LT, m1.trueCount()));
672 }
673
674
675 // Binary operations
676
677 @Override
678 @ForceInline
679 public IntMaxMask and(VectorMask<Integer> mask) {
680 Objects.requireNonNull(mask);
681 IntMaxMask m = (IntMaxMask)mask;
682 return VectorSupport.binaryOp(VECTOR_OP_AND, IntMaxMask.class, null, int.class, VLENGTH,
683 this, m, null,
684 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a & b));
685 }
686
687 @Override
688 @ForceInline
689 public IntMaxMask or(VectorMask<Integer> mask) {
690 Objects.requireNonNull(mask);
691 IntMaxMask m = (IntMaxMask)mask;
692 return VectorSupport.binaryOp(VECTOR_OP_OR, IntMaxMask.class, null, int.class, VLENGTH,
693 this, m, null,
694 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a | b));
695 }
696
697 @ForceInline
698 /* package-private */
699 IntMaxMask xor(VectorMask<Integer> mask) {
700 Objects.requireNonNull(mask);
701 IntMaxMask m = (IntMaxMask)mask;
702 return VectorSupport.binaryOp(VECTOR_OP_XOR, IntMaxMask.class, null, int.class, VLENGTH,
703 this, m, null,
704 (m1, m2, vm) -> m1.bOp(m2, (i, a, b) -> a ^ b));
705 }
706
707 // Mask Query operations
708
709 @Override
710 @ForceInline
711 public int trueCount() {
712 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TRUECOUNT, IntMaxMask.class, int.class, VLENGTH, this,
713 (m) -> trueCountHelper(m.getBits()));
714 }
715
716 @Override
717 @ForceInline
718 public int firstTrue() {
719 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_FIRSTTRUE, IntMaxMask.class, int.class, VLENGTH, this,
720 (m) -> firstTrueHelper(m.getBits()));
721 }
722
723 @Override
724 @ForceInline
725 public int lastTrue() {
726 return (int) VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_LASTTRUE, IntMaxMask.class, int.class, VLENGTH, this,
727 (m) -> lastTrueHelper(m.getBits()));
728 }
729
730 @Override
731 @ForceInline
732 public long toLong() {
733 if (length() > Long.SIZE) {
734 throw new UnsupportedOperationException("too many lanes for one long");
735 }
736 return VectorSupport.maskReductionCoerced(VECTOR_OP_MASK_TOLONG, IntMaxMask.class, int.class, VLENGTH, this,
737 (m) -> toLongHelper(m.getBits()));
738 }
739
740 // Reductions
741
742 @Override
743 @ForceInline
744 public boolean anyTrue() {
745 return VectorSupport.test(BT_ne, IntMaxMask.class, int.class, VLENGTH,
746 this, vspecies().maskAll(true),
747 (m, __) -> anyTrueHelper(((IntMaxMask)m).getBits()));
748 }
749
750 @Override
751 @ForceInline
752 public boolean allTrue() {
753 return VectorSupport.test(BT_overflow, IntMaxMask.class, int.class, VLENGTH,
754 this, vspecies().maskAll(true),
755 (m, __) -> allTrueHelper(((IntMaxMask)m).getBits()));
756 }
757
758 @ForceInline
759 /*package-private*/
760 static IntMaxMask maskAll(boolean bit) {
761 return VectorSupport.fromBitsCoerced(IntMaxMask.class, int.class, VLENGTH,
762 (bit ? -1 : 0), MODE_BROADCAST, null,
763 (v, __) -> (v != 0 ? TRUE_MASK : FALSE_MASK));
764 }
765 private static final IntMaxMask TRUE_MASK = new IntMaxMask(true);
766 private static final IntMaxMask FALSE_MASK = new IntMaxMask(false);
767
768
769 static boolean[] maskLowerHalf() {
770 boolean[] a = new boolean[VLENGTH];
771 int len = a.length >> 1;
772 for (int i = 0; i < len; i++) {
773 a[i] = true;
774 }
775 return a;
776 }
777
778 static final IntMaxMask LOWER_HALF_TRUE_MASK = new IntMaxMask(maskLowerHalf());
779 }
780
781 // Shuffle
782
783 static final class IntMaxShuffle extends AbstractShuffle<Integer> {
784 static final int VLENGTH = VSPECIES.laneCount(); // used by the JVM
785 static final Class<Integer> ETYPE = int.class; // used by the JVM
786
787 IntMaxShuffle(byte[] reorder) {
788 super(VLENGTH, reorder);
789 }
790
791 public IntMaxShuffle(int[] reorder) {
792 super(VLENGTH, reorder);
793 }
794
795 public IntMaxShuffle(int[] reorder, int i) {
796 super(VLENGTH, reorder, i);
797 }
798
799 public IntMaxShuffle(IntUnaryOperator fn) {
800 super(VLENGTH, fn);
801 }
802
803 @Override
804 public IntSpecies vspecies() {
805 return VSPECIES;
806 }
807
808 static {
809 // There must be enough bits in the shuffle lanes to encode
810 // VLENGTH valid indexes and VLENGTH exceptional ones.
811 assert(VLENGTH < Byte.MAX_VALUE);
812 assert(Byte.MIN_VALUE <= -VLENGTH);
813 }
814 static final IntMaxShuffle IOTA = new IntMaxShuffle(IDENTITY);
815
816 @Override
817 @ForceInline
818 public IntMaxVector toVector() {
819 return VectorSupport.shuffleToVector(VCLASS, ETYPE, IntMaxShuffle.class, this, VLENGTH,
820 (s) -> ((IntMaxVector)(((AbstractShuffle<Integer>)(s)).toVectorTemplate())));
821 }
822
823 @Override
824 @ForceInline
825 public <F> VectorShuffle<F> cast(VectorSpecies<F> s) {
826 AbstractSpecies<F> species = (AbstractSpecies<F>) s;
827 if (length() != species.laneCount())
828 throw new IllegalArgumentException("VectorShuffle length and species length differ");
829 int[] shuffleArray = toArray();
830 return s.shuffleFromArray(shuffleArray, 0).check(s);
831 }
832
833 @ForceInline
834 @Override
835 public IntMaxShuffle rearrange(VectorShuffle<Integer> shuffle) {
836 IntMaxShuffle s = (IntMaxShuffle) shuffle;
837 byte[] reorder1 = reorder();
838 byte[] reorder2 = s.reorder();
839 byte[] r = new byte[reorder1.length];
840 for (int i = 0; i < reorder1.length; i++) {
841 int ssi = reorder2[i];
842 r[i] = reorder1[ssi]; // throws on exceptional index
843 }
844 return new IntMaxShuffle(r);
845 }
846 }
847
848 // ================================================
849
850 // Specialized low-level memory operations.
851
852 @ForceInline
853 @Override
854 final
855 IntVector fromArray0(int[] a, int offset) {
856 return super.fromArray0Template(a, offset); // specialize
857 }
858
859 @ForceInline
860 @Override
861 final
862 IntVector fromArray0(int[] a, int offset, VectorMask<Integer> m) {
863 return super.fromArray0Template(IntMaxMask.class, a, offset, (IntMaxMask) m); // specialize
864 }
865
866 @ForceInline
867 @Override
868 final
869 IntVector fromArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
870 return super.fromArray0Template(IntMaxMask.class, a, offset, indexMap, mapOffset, (IntMaxMask) m);
871 }
872
873
874
875 @ForceInline
876 @Override
877 final
878 IntVector fromMemorySegment0(MemorySegment ms, long offset) {
879 return super.fromMemorySegment0Template(ms, offset); // specialize
880 }
881
882 @ForceInline
883 @Override
884 final
885 IntVector fromMemorySegment0(MemorySegment ms, long offset, VectorMask<Integer> m) {
886 return super.fromMemorySegment0Template(IntMaxMask.class, ms, offset, (IntMaxMask) m); // specialize
887 }
888
889 @ForceInline
890 @Override
891 final
892 void intoArray0(int[] a, int offset) {
893 super.intoArray0Template(a, offset); // specialize
894 }
895
896 @ForceInline
897 @Override
898 final
899 void intoArray0(int[] a, int offset, VectorMask<Integer> m) {
900 super.intoArray0Template(IntMaxMask.class, a, offset, (IntMaxMask) m);
901 }
902
903 @ForceInline
904 @Override
905 final
906 void intoArray0(int[] a, int offset, int[] indexMap, int mapOffset, VectorMask<Integer> m) {
907 super.intoArray0Template(IntMaxMask.class, a, offset, indexMap, mapOffset, (IntMaxMask) m);
908 }
909
910
911 @ForceInline
912 @Override
913 final
914 void intoMemorySegment0(MemorySegment ms, long offset, VectorMask<Integer> m) {
915 super.intoMemorySegment0Template(IntMaxMask.class, ms, offset, (IntMaxMask) m);
916 }
917
918
919 // End of specialized low-level memory operations.
920
921 // ================================================
922
923 }