summaryrefslogtreecommitdiff
path: root/lib/Target/ARM/ARMInstrNEON.td
blob: 32baec5f0739c144a0b4461307f30caffeb29465 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
//===- ARMInstrNEON.td - NEON support for ARM -----------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the ARM NEON instruction set.
//
//===----------------------------------------------------------------------===//

//===----------------------------------------------------------------------===//
// NEON-specific DAG Nodes.
//===----------------------------------------------------------------------===//

def SDTARMVCMP    : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisSameAs<1, 2>]>;

def NEONvceq      : SDNode<"ARMISD::VCEQ", SDTARMVCMP>;
def NEONvcge      : SDNode<"ARMISD::VCGE", SDTARMVCMP>;
def NEONvcgeu     : SDNode<"ARMISD::VCGEU", SDTARMVCMP>;
def NEONvcgt      : SDNode<"ARMISD::VCGT", SDTARMVCMP>;
def NEONvcgtu     : SDNode<"ARMISD::VCGTU", SDTARMVCMP>;
def NEONvtst      : SDNode<"ARMISD::VTST", SDTARMVCMP>;

// Types for vector shift by immediates.  The "SHX" version is for long and
// narrow operations where the source and destination vectors have different
// types.  The "SHINS" version is for shift and insert operations.
def SDTARMVSH     : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
                                         SDTCisVT<2, i32>]>;
def SDTARMVSHX    : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisInt<1>,
                                         SDTCisVT<2, i32>]>;
def SDTARMVSHINS  : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
                                         SDTCisSameAs<0, 2>, SDTCisVT<3, i32>]>;

def NEONvshl      : SDNode<"ARMISD::VSHL", SDTARMVSH>;
def NEONvshrs     : SDNode<"ARMISD::VSHRs", SDTARMVSH>;
def NEONvshru     : SDNode<"ARMISD::VSHRu", SDTARMVSH>;
def NEONvshlls    : SDNode<"ARMISD::VSHLLs", SDTARMVSHX>;
def NEONvshllu    : SDNode<"ARMISD::VSHLLu", SDTARMVSHX>;
def NEONvshlli    : SDNode<"ARMISD::VSHLLi", SDTARMVSHX>;
def NEONvshrn     : SDNode<"ARMISD::VSHRN", SDTARMVSHX>;

def NEONvrshrs    : SDNode<"ARMISD::VRSHRs", SDTARMVSH>;
def NEONvrshru    : SDNode<"ARMISD::VRSHRu", SDTARMVSH>;
def NEONvrshrn    : SDNode<"ARMISD::VRSHRN", SDTARMVSHX>;

def NEONvqshls    : SDNode<"ARMISD::VQSHLs", SDTARMVSH>;
def NEONvqshlu    : SDNode<"ARMISD::VQSHLu", SDTARMVSH>;
def NEONvqshlsu   : SDNode<"ARMISD::VQSHLsu", SDTARMVSH>;
def NEONvqshrns   : SDNode<"ARMISD::VQSHRNs", SDTARMVSHX>;
def NEONvqshrnu   : SDNode<"ARMISD::VQSHRNu", SDTARMVSHX>;
def NEONvqshrnsu  : SDNode<"ARMISD::VQSHRNsu", SDTARMVSHX>;

def NEONvqrshrns  : SDNode<"ARMISD::VQRSHRNs", SDTARMVSHX>;
def NEONvqrshrnu  : SDNode<"ARMISD::VQRSHRNu", SDTARMVSHX>;
def NEONvqrshrnsu : SDNode<"ARMISD::VQRSHRNsu", SDTARMVSHX>;

def NEONvsli      : SDNode<"ARMISD::VSLI", SDTARMVSHINS>;
def NEONvsri      : SDNode<"ARMISD::VSRI", SDTARMVSHINS>;

def SDTARMVGETLN  : SDTypeProfile<1, 2, [SDTCisVT<0, i32>, SDTCisInt<1>,
                                         SDTCisVT<2, i32>]>;
def NEONvgetlaneu : SDNode<"ARMISD::VGETLANEu", SDTARMVGETLN>;
def NEONvgetlanes : SDNode<"ARMISD::VGETLANEs", SDTARMVGETLN>;

def NEONvduplaneq : SDNode<"ARMISD::VDUPLANEQ",
                           SDTypeProfile<1, 2, [SDTCisVT<2, i32>]>>;

def SDTARMVLD2    : SDTypeProfile<2, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<2>]>;
def SDTARMVLD3    : SDTypeProfile<3, 1, [SDTCisSameAs<0, 1>,
                                         SDTCisSameAs<0, 2>, SDTCisPtrTy<3>]>;
def SDTARMVLD4    : SDTypeProfile<4, 1, [SDTCisSameAs<0, 1>,
                                         SDTCisSameAs<0, 2>,
                                         SDTCisSameAs<0, 3>, SDTCisPtrTy<4>]>;
def NEONvld2d     : SDNode<"ARMISD::VLD2D", SDTARMVLD2,
                           [SDNPHasChain, SDNPMayLoad]>;
def NEONvld3d     : SDNode<"ARMISD::VLD3D", SDTARMVLD3,
                           [SDNPHasChain, SDNPMayLoad]>;
def NEONvld4d     : SDNode<"ARMISD::VLD4D", SDTARMVLD4,
                           [SDNPHasChain, SDNPMayLoad]>;

def SDTARMVST2    : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>]>;
def SDTARMVST3    : SDTypeProfile<0, 4, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
                                         SDTCisSameAs<1, 3>]>;
def SDTARMVST4    : SDTypeProfile<0, 5, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
                                         SDTCisSameAs<1, 3>,
                                         SDTCisSameAs<1, 4>]>;

def NEONvst2d     : SDNode<"ARMISD::VST2D", SDTARMVST2,
                           [SDNPHasChain, SDNPMayStore]>;
def NEONvst3d     : SDNode<"ARMISD::VST3D", SDTARMVST3,
                           [SDNPHasChain, SDNPMayStore]>;
def NEONvst4d     : SDNode<"ARMISD::VST4D", SDTARMVST4,
                           [SDNPHasChain, SDNPMayStore]>;

//===----------------------------------------------------------------------===//
// NEON operand definitions
//===----------------------------------------------------------------------===//

// addrmode_neonldstm := reg
//
/* TODO: Take advantage of vldm.
def addrmode_neonldstm : Operand<i32>,
                ComplexPattern<i32, 2, "SelectAddrModeNeonLdStM", []> {
  let PrintMethod = "printAddrNeonLdStMOperand";
  let MIOperandInfo = (ops GPR, i32imm);
}
*/

//===----------------------------------------------------------------------===//
// NEON load / store instructions
//===----------------------------------------------------------------------===//

/* TODO: Take advantage of vldm.
let mayLoad = 1 in {
def VLDMD : NI<(outs),
               (ins addrmode_neonldstm:$addr, reglist:$dst1, variable_ops),
               NoItinerary,
               "vldm${addr:submode} ${addr:base}, $dst1",
               []> {
  let Inst{27-25} = 0b110;
  let Inst{20}    = 1;
  let Inst{11-9}  = 0b101;
}

def VLDMS : NI<(outs),
               (ins addrmode_neonldstm:$addr, reglist:$dst1, variable_ops),
               NoItinerary,
               "vldm${addr:submode} ${addr:base}, $dst1",
               []> {
  let Inst{27-25} = 0b110;
  let Inst{20}    = 1;
  let Inst{11-9}  = 0b101;
}
}
*/

// Use vldmia to load a Q register as a D register pair.
def VLDRQ : NI4<(outs QPR:$dst), (ins addrmode4:$addr),
               NoItinerary,
               "vldmia $addr, ${dst:dregpair}",
               [(set QPR:$dst, (v2f64 (load addrmode4:$addr)))]> {
  let Inst{27-25} = 0b110;
  let Inst{24}    = 0; // P bit
  let Inst{23}    = 1; // U bit
  let Inst{20}    = 1;
  let Inst{11-9}  = 0b101;
}

// Use vstmia to store a Q register as a D register pair.
def VSTRQ : NI4<(outs), (ins QPR:$src, addrmode4:$addr),
               NoItinerary,
               "vstmia $addr, ${src:dregpair}",
               [(store (v2f64 QPR:$src), addrmode4:$addr)]> {
  let Inst{27-25} = 0b110;
  let Inst{24}    = 0; // P bit
  let Inst{23}    = 1; // U bit
  let Inst{20}    = 0;
  let Inst{11-9}  = 0b101;
}

//   VLD1     : Vector Load (multiple single elements)
class VLD1D<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
  : NLdSt<(outs DPR:$dst), (ins addrmode6:$addr),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$dst\\}, $addr"),
          [(set DPR:$dst, (Ty (IntOp addrmode6:$addr)))]>;
class VLD1Q<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
  : NLdSt<(outs QPR:$dst), (ins addrmode6:$addr),
          NoItinerary,
          !strconcat(OpcodeStr, "\t${dst:dregpair}, $addr"),
          [(set QPR:$dst, (Ty (IntOp addrmode6:$addr)))]>;

def  VLD1d8   : VLD1D<"vld1.8",  v8i8,  int_arm_neon_vld1>;
def  VLD1d16  : VLD1D<"vld1.16", v4i16, int_arm_neon_vld1>;
def  VLD1d32  : VLD1D<"vld1.32", v2i32, int_arm_neon_vld1>;
def  VLD1df   : VLD1D<"vld1.32", v2f32, int_arm_neon_vld1>;
def  VLD1d64  : VLD1D<"vld1.64", v1i64, int_arm_neon_vld1>;

def  VLD1q8   : VLD1Q<"vld1.8",  v16i8, int_arm_neon_vld1>;
def  VLD1q16  : VLD1Q<"vld1.16", v8i16, int_arm_neon_vld1>;
def  VLD1q32  : VLD1Q<"vld1.32", v4i32, int_arm_neon_vld1>;
def  VLD1qf   : VLD1Q<"vld1.32", v4f32, int_arm_neon_vld1>;
def  VLD1q64  : VLD1Q<"vld1.64", v2i64, int_arm_neon_vld1>;

//   VLD2     : Vector Load (multiple 2-element structures)
class VLD2D<string OpcodeStr>
  : NLdSt<(outs DPR:$dst1, DPR:$dst2), (ins addrmode6:$addr),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$dst1,$dst2\\}, $addr"), []>;

def  VLD2d8   : VLD2D<"vld2.8">;
def  VLD2d16  : VLD2D<"vld2.16">;
def  VLD2d32  : VLD2D<"vld2.32">;

//   VLD3     : Vector Load (multiple 3-element structures)
class VLD3D<string OpcodeStr>
  : NLdSt<(outs DPR:$dst1, DPR:$dst2, DPR:$dst3), (ins addrmode6:$addr),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$dst1,$dst2,$dst3\\}, $addr"), []>;

def  VLD3d8   : VLD3D<"vld3.8">;
def  VLD3d16  : VLD3D<"vld3.16">;
def  VLD3d32  : VLD3D<"vld3.32">;

//   VLD4     : Vector Load (multiple 4-element structures)
class VLD4D<string OpcodeStr>
  : NLdSt<(outs DPR:$dst1, DPR:$dst2, DPR:$dst3, DPR:$dst4),
          (ins addrmode6:$addr),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$dst1,$dst2,$dst3,$dst4\\}, $addr"), []>;

def  VLD4d8   : VLD4D<"vld4.8">;
def  VLD4d16  : VLD4D<"vld4.16">;
def  VLD4d32  : VLD4D<"vld4.32">;

//   VST1     : Vector Store (multiple single elements)
class VST1D<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
  : NLdSt<(outs), (ins addrmode6:$addr, DPR:$src),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$src\\}, $addr"),
          [(IntOp addrmode6:$addr, (Ty DPR:$src))]>;
class VST1Q<string OpcodeStr, ValueType Ty, Intrinsic IntOp>
  : NLdSt<(outs), (ins addrmode6:$addr, QPR:$src),
          NoItinerary,
          !strconcat(OpcodeStr, "\t${src:dregpair}, $addr"),
          [(IntOp addrmode6:$addr, (Ty QPR:$src))]>;

def  VST1d8   : VST1D<"vst1.8",  v8i8,  int_arm_neon_vst1>;
def  VST1d16  : VST1D<"vst1.16", v4i16, int_arm_neon_vst1>;
def  VST1d32  : VST1D<"vst1.32", v2i32, int_arm_neon_vst1>;
def  VST1df   : VST1D<"vst1.32", v2f32, int_arm_neon_vst1>;
def  VST1d64  : VST1D<"vst1.64", v1i64, int_arm_neon_vst1>;

def  VST1q8   : VST1Q<"vst1.8",  v16i8, int_arm_neon_vst1>;
def  VST1q16  : VST1Q<"vst1.16", v8i16, int_arm_neon_vst1>;
def  VST1q32  : VST1Q<"vst1.32", v4i32, int_arm_neon_vst1>;
def  VST1qf   : VST1Q<"vst1.32", v4f32, int_arm_neon_vst1>;
def  VST1q64  : VST1Q<"vst1.64", v2i64, int_arm_neon_vst1>;

//   VST2     : Vector Store (multiple 2-element structures)
class VST2D<string OpcodeStr>
  : NLdSt<(outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2), NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$src1,$src2\\}, $addr"), []>;

def  VST2d8   : VST2D<"vst2.8">;
def  VST2d16  : VST2D<"vst2.16">;
def  VST2d32  : VST2D<"vst2.32">;

//   VST3     : Vector Store (multiple 3-element structures)
class VST3D<string OpcodeStr>
  : NLdSt<(outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3),
          NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$src1,$src2,$src3\\}, $addr"), []>;

def  VST3d8   : VST3D<"vst3.8">;
def  VST3d16  : VST3D<"vst3.16">;
def  VST3d32  : VST3D<"vst3.32">;

//   VST4     : Vector Store (multiple 4-element structures)
class VST4D<string OpcodeStr>
  : NLdSt<(outs), (ins addrmode6:$addr,
                   DPR:$src1, DPR:$src2, DPR:$src3, DPR:$src4), NoItinerary,
          !strconcat(OpcodeStr, "\t\\{$src1,$src2,$src3,$src4\\}, $addr"), []>;

def  VST4d8   : VST4D<"vst4.8">;
def  VST4d16  : VST4D<"vst4.16">;
def  VST4d32  : VST4D<"vst4.32">;


//===----------------------------------------------------------------------===//
// NEON pattern fragments
//===----------------------------------------------------------------------===//

// Extract D sub-registers of Q registers.
// (arm_dsubreg_0 is 5; arm_dsubreg_1 is 6)
def DSubReg_i8_reg  : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(5 + N->getZExtValue() / 8, MVT::i32);
}]>;
def DSubReg_i16_reg : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(5 + N->getZExtValue() / 4, MVT::i32);
}]>;
def DSubReg_i32_reg : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(5 + N->getZExtValue() / 2, MVT::i32);
}]>;
def DSubReg_f64_reg : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(5 + N->getZExtValue(), MVT::i32);
}]>;

// Extract S sub-registers of Q registers.
// (arm_ssubreg_0 is 1; arm_ssubreg_1 is 2; etc.)
def SSubReg_f32_reg : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(1 + N->getZExtValue(), MVT::i32);
}]>;

// Translate lane numbers from Q registers to D subregs.
def SubReg_i8_lane  : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(N->getZExtValue() & 7, MVT::i32);
}]>;
def SubReg_i16_lane : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(N->getZExtValue() & 3, MVT::i32);
}]>;
def SubReg_i32_lane : SDNodeXForm<imm, [{
  return CurDAG->getTargetConstant(N->getZExtValue() & 1, MVT::i32);
}]>;

//===----------------------------------------------------------------------===//
// Instruction Classes
//===----------------------------------------------------------------------===//

// Basic 2-register operations, both double- and quad-register.
class N2VD<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
           bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
           ValueType ResTy, ValueType OpTy, SDNode OpNode>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (ResTy (OpNode (OpTy DPR:$src))))]>;
class N2VQ<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
           bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
           ValueType ResTy, ValueType OpTy, SDNode OpNode>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 1, op4, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (ResTy (OpNode (OpTy QPR:$src))))]>;

// Basic 2-register operations, scalar single-precision.
class N2VDs<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
            bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
            ValueType ResTy, ValueType OpTy, SDNode OpNode>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4,
        (outs DPR_VFP2:$dst), (ins DPR_VFP2:$src),
        NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "", []>;

class N2VDsPat<SDNode OpNode, ValueType ResTy, ValueType OpTy, NeonI Inst>
  : NEONFPPat<(ResTy (OpNode SPR:$a)),
       (EXTRACT_SUBREG
           (Inst (INSERT_SUBREG (OpTy (IMPLICIT_DEF)), SPR:$a, arm_ssubreg_0)),
        arm_ssubreg_0)>;

// Basic 2-register intrinsics, both double- and quad-register.
class N2VDInt<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
              bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
              ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src))))]>;
class N2VQInt<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
              bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
              ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 1, op4, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src))))]>;

// Basic 2-register intrinsics, scalar single-precision
class N2VDInts<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
              bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
              ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4,
        (outs DPR_VFP2:$dst), (ins DPR_VFP2:$src), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src"), "", []>;

class N2VDIntsPat<SDNode OpNode, NeonI Inst>
  : NEONFPPat<(f32 (OpNode SPR:$a)),
       (EXTRACT_SUBREG
           (Inst (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$a, arm_ssubreg_0)),
        arm_ssubreg_0)>;

// Narrow 2-register intrinsics.
class N2VNInt<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
              bits<2> op17_16, bits<5> op11_7, bit op6, bit op4,
              string OpcodeStr, ValueType TyD, ValueType TyQ, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, op6, op4, (outs DPR:$dst),
        (ins QPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (TyD (IntOp (TyQ QPR:$src))))]>;

// Long 2-register intrinsics.  (This is currently only used for VMOVL and is
// derived from N2VImm instead of N2V because of the way the size is encoded.)
class N2VLInt<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
              bit op6, bit op4, string OpcodeStr, ValueType TyQ, ValueType TyD,
              Intrinsic IntOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, op6, op4, (outs QPR:$dst),
        (ins DPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (TyQ (IntOp (TyD DPR:$src))))]>;

// 2-register shuffles (VTRN/VZIP/VUZP), both double- and quad-register.
class N2VDShuffle<bits<2> op19_18, bits<5> op11_7, string OpcodeStr>
  : N2V<0b11, 0b11, op19_18, 0b10, op11_7, 0, 0, (outs DPR:$dst1, DPR:$dst2),
        (ins DPR:$src1, DPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst1, $dst2"),
        "$src1 = $dst1, $src2 = $dst2", []>;
class N2VQShuffle<bits<2> op19_18, bits<5> op11_7, string OpcodeStr>
  : N2V<0b11, 0b11, op19_18, 0b10, op11_7, 1, 0, (outs QPR:$dst1, QPR:$dst2),
        (ins QPR:$src1, QPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst1, $dst2"),
        "$src1 = $dst1, $src2 = $dst2", []>;

// Basic 3-register operations, both double- and quad-register.
class N3VD<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
           string OpcodeStr, ValueType ResTy, ValueType OpTy,
           SDNode OpNode, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR:$dst), (ins DPR:$src1, DPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set DPR:$dst, (ResTy (OpNode (OpTy DPR:$src1), (OpTy DPR:$src2))))]> {
  let isCommutable = Commutable;
}
class N3VQ<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
           string OpcodeStr, ValueType ResTy, ValueType OpTy,
           SDNode OpNode, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 1, op4,
        (outs QPR:$dst), (ins QPR:$src1, QPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set QPR:$dst, (ResTy (OpNode (OpTy QPR:$src1), (OpTy QPR:$src2))))]> {
  let isCommutable = Commutable;
}

// Basic 3-register operations, scalar single-precision
class N3VDs<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
           string OpcodeStr, ValueType ResTy, ValueType OpTy,
           SDNode OpNode, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR_VFP2:$dst), (ins DPR_VFP2:$src1, DPR_VFP2:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "", []> {
  let isCommutable = Commutable;
}
class N3VDsPat<SDNode OpNode, NeonI Inst>
  : NEONFPPat<(f32 (OpNode SPR:$a, SPR:$b)),
       (EXTRACT_SUBREG
           (Inst (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$a, arm_ssubreg_0),
                 (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$b, arm_ssubreg_0)),
        arm_ssubreg_0)>;

// Basic 3-register intrinsics, both double- and quad-register.
class N3VDInt<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
              string OpcodeStr, ValueType ResTy, ValueType OpTy,
              Intrinsic IntOp, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR:$dst), (ins DPR:$src1, DPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src1), (OpTy DPR:$src2))))]> {
  let isCommutable = Commutable;
}
class N3VQInt<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
              string OpcodeStr, ValueType ResTy, ValueType OpTy,
              Intrinsic IntOp, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 1, op4,
        (outs QPR:$dst), (ins QPR:$src1, QPR:$src2), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src1), (OpTy QPR:$src2))))]> {
  let isCommutable = Commutable;
}

// Multiply-Add/Sub operations, both double- and quad-register.
class N3VDMulOp<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
                string OpcodeStr, ValueType Ty, SDNode MulOp, SDNode OpNode>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR:$dst), (ins DPR:$src1, DPR:$src2, DPR:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst",
        [(set DPR:$dst, (Ty (OpNode DPR:$src1,
                             (Ty (MulOp DPR:$src2, DPR:$src3)))))]>;
class N3VQMulOp<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
                string OpcodeStr, ValueType Ty, SDNode MulOp, SDNode OpNode>
  : N3V<op24, op23, op21_20, op11_8, 1, op4,
        (outs QPR:$dst), (ins QPR:$src1, QPR:$src2, QPR:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst",
        [(set QPR:$dst, (Ty (OpNode QPR:$src1,
                             (Ty (MulOp QPR:$src2, QPR:$src3)))))]>;

// Multiply-Add/Sub operations, scalar single-precision
class N3VDMulOps<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
                 string OpcodeStr, ValueType Ty, SDNode MulOp, SDNode OpNode>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR_VFP2:$dst),
        (ins DPR_VFP2:$src1, DPR_VFP2:$src2, DPR_VFP2:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst", []>;

class N3VDMulOpsPat<SDNode MulNode, SDNode OpNode, NeonI Inst>
  : NEONFPPat<(f32 (OpNode SPR:$acc, (f32 (MulNode SPR:$a, SPR:$b)))),
      (EXTRACT_SUBREG
          (Inst (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$acc, arm_ssubreg_0),
                (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$a,   arm_ssubreg_0),
                (INSERT_SUBREG (v2f32 (IMPLICIT_DEF)), SPR:$b,   arm_ssubreg_0)),
       arm_ssubreg_0)>;

// Neon 3-argument intrinsics, both double- and quad-register.
// The destination register is also used as the first source operand register.
class N3VDInt3<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
               string OpcodeStr, ValueType ResTy, ValueType OpTy,
               Intrinsic IntOp>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR:$dst), (ins DPR:$src1, DPR:$src2, DPR:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst",
        [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src1),
                                      (OpTy DPR:$src2), (OpTy DPR:$src3))))]>;
class N3VQInt3<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
               string OpcodeStr, ValueType ResTy, ValueType OpTy,
               Intrinsic IntOp>
  : N3V<op24, op23, op21_20, op11_8, 1, op4,
        (outs QPR:$dst), (ins QPR:$src1, QPR:$src2, QPR:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst",
        [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src1),
                                      (OpTy QPR:$src2), (OpTy QPR:$src3))))]>;

// Neon Long 3-argument intrinsic.  The destination register is
// a quad-register and is also used as the first source operand register.
class N3VLInt3<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
               string OpcodeStr, ValueType TyQ, ValueType TyD, Intrinsic IntOp>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs QPR:$dst), (ins QPR:$src1, DPR:$src2, DPR:$src3), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2, $src3"), "$src1 = $dst",
        [(set QPR:$dst,
          (TyQ (IntOp (TyQ QPR:$src1), (TyD DPR:$src2), (TyD DPR:$src3))))]>;

// Narrowing 3-register intrinsics.
class N3VNInt<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
              string OpcodeStr, ValueType TyD, ValueType TyQ,
              Intrinsic IntOp, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs DPR:$dst), (ins QPR:$src1, QPR:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set DPR:$dst, (TyD (IntOp (TyQ QPR:$src1), (TyQ QPR:$src2))))]> {
  let isCommutable = Commutable;
}

// Long 3-register intrinsics.
class N3VLInt<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
              string OpcodeStr, ValueType TyQ, ValueType TyD,
              Intrinsic IntOp, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs QPR:$dst), (ins DPR:$src1, DPR:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set QPR:$dst, (TyQ (IntOp (TyD DPR:$src1), (TyD DPR:$src2))))]> {
  let isCommutable = Commutable;
}

// Wide 3-register intrinsics.
class N3VWInt<bit op24, bit op23, bits<2> op21_20, bits<4> op11_8, bit op4,
              string OpcodeStr, ValueType TyQ, ValueType TyD,
              Intrinsic IntOp, bit Commutable>
  : N3V<op24, op23, op21_20, op11_8, 0, op4,
        (outs QPR:$dst), (ins QPR:$src1, DPR:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src1, $src2"), "",
        [(set QPR:$dst, (TyQ (IntOp (TyQ QPR:$src1), (TyD DPR:$src2))))]> {
  let isCommutable = Commutable;
}

// Pairwise long 2-register intrinsics, both double- and quad-register.
class N2VDPLInt<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
                bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
                ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src))))]>;
class N2VQPLInt<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
                bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
                ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 1, op4, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src))))]>;

// Pairwise long 2-register accumulate intrinsics,
// both double- and quad-register.
// The destination register is also used as the first source operand register.
class N2VDPLInt2<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
                 bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
                 ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 0, op4,
        (outs DPR:$dst), (ins DPR:$src1, DPR:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2"), "$src1 = $dst",
        [(set DPR:$dst, (ResTy (IntOp (ResTy DPR:$src1), (OpTy DPR:$src2))))]>;
class N2VQPLInt2<bits<2> op24_23, bits<2> op21_20, bits<2> op19_18,
                 bits<2> op17_16, bits<5> op11_7, bit op4, string OpcodeStr,
                 ValueType ResTy, ValueType OpTy, Intrinsic IntOp>
  : N2V<op24_23, op21_20, op19_18, op17_16, op11_7, 1, op4,
        (outs QPR:$dst), (ins QPR:$src1, QPR:$src2), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src2"), "$src1 = $dst",
        [(set QPR:$dst, (ResTy (IntOp (ResTy QPR:$src1), (OpTy QPR:$src2))))]>;

// Shift by immediate,
// both double- and quad-register.
class N2VDSh<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
             bit op4, string OpcodeStr, ValueType Ty, SDNode OpNode>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 0, op4,
           (outs DPR:$dst), (ins DPR:$src, i32imm:$SIMM), NoItinerary,
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set DPR:$dst, (Ty (OpNode (Ty DPR:$src), (i32 imm:$SIMM))))]>;
class N2VQSh<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
             bit op4, string OpcodeStr, ValueType Ty, SDNode OpNode>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 1, op4,
           (outs QPR:$dst), (ins QPR:$src, i32imm:$SIMM), NoItinerary,
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set QPR:$dst, (Ty (OpNode (Ty QPR:$src), (i32 imm:$SIMM))))]>;

// Long shift by immediate.
class N2VLSh<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
             bit op6, bit op4, string OpcodeStr, ValueType ResTy,
             ValueType OpTy, SDNode OpNode>
  : N2VImm<op24, op23, op21_16, op11_8, op7, op6, op4,
           (outs QPR:$dst), (ins DPR:$src, i32imm:$SIMM), NoItinerary,
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set QPR:$dst, (ResTy (OpNode (OpTy DPR:$src),
                                          (i32 imm:$SIMM))))]>;

// Narrow shift by immediate.
class N2VNSh<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
             bit op6, bit op4, string OpcodeStr, ValueType ResTy,
             ValueType OpTy, SDNode OpNode>
  : N2VImm<op24, op23, op21_16, op11_8, op7, op6, op4,
           (outs DPR:$dst), (ins QPR:$src, i32imm:$SIMM), NoItinerary,
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set DPR:$dst, (ResTy (OpNode (OpTy QPR:$src),
                                          (i32 imm:$SIMM))))]>;

// Shift right by immediate and accumulate,
// both double- and quad-register.
class N2VDShAdd<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
                bit op4, string OpcodeStr, ValueType Ty, SDNode ShOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 0, op4,
           (outs DPR:$dst), (ins DPR:$src1, DPR:$src2, i32imm:$SIMM),
           NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src2, $SIMM"), "$src1 = $dst",
           [(set DPR:$dst, (Ty (add DPR:$src1,
                                (Ty (ShOp DPR:$src2, (i32 imm:$SIMM))))))]>;
class N2VQShAdd<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
                bit op4, string OpcodeStr, ValueType Ty, SDNode ShOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 1, op4,
           (outs QPR:$dst), (ins QPR:$src1, QPR:$src2, i32imm:$SIMM),
           NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src2, $SIMM"), "$src1 = $dst",
           [(set QPR:$dst, (Ty (add QPR:$src1,
                                (Ty (ShOp QPR:$src2, (i32 imm:$SIMM))))))]>;

// Shift by immediate and insert,
// both double- and quad-register.
class N2VDShIns<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
                bit op4, string OpcodeStr, ValueType Ty, SDNode ShOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 0, op4,
           (outs DPR:$dst), (ins DPR:$src1, DPR:$src2, i32imm:$SIMM),
           NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src2, $SIMM"), "$src1 = $dst",
           [(set DPR:$dst, (Ty (ShOp DPR:$src1, DPR:$src2, (i32 imm:$SIMM))))]>;
class N2VQShIns<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
                bit op4, string OpcodeStr, ValueType Ty, SDNode ShOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 1, op4,
           (outs QPR:$dst), (ins QPR:$src1, QPR:$src2, i32imm:$SIMM),
           NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src2, $SIMM"), "$src1 = $dst",
           [(set QPR:$dst, (Ty (ShOp QPR:$src1, QPR:$src2, (i32 imm:$SIMM))))]>;

// Convert, with fractional bits immediate,
// both double- and quad-register.
class N2VCvtD<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
              bit op4, string OpcodeStr, ValueType ResTy, ValueType OpTy,
              Intrinsic IntOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 0, op4,
           (outs DPR:$dst), (ins DPR:$src, i32imm:$SIMM), NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set DPR:$dst, (ResTy (IntOp (OpTy DPR:$src), (i32 imm:$SIMM))))]>;
class N2VCvtQ<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
              bit op4, string OpcodeStr, ValueType ResTy, ValueType OpTy,
              Intrinsic IntOp>
  : N2VImm<op24, op23, op21_16, op11_8, op7, 1, op4,
           (outs QPR:$dst), (ins QPR:$src, i32imm:$SIMM), NoItinerary, 
           !strconcat(OpcodeStr, "\t$dst, $src, $SIMM"), "",
           [(set QPR:$dst, (ResTy (IntOp (OpTy QPR:$src), (i32 imm:$SIMM))))]>;

//===----------------------------------------------------------------------===//
// Multiclasses
//===----------------------------------------------------------------------===//

// Neon 3-register vector operations.

// First with only element sizes of 8, 16 and 32 bits:
multiclass N3V_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                   string OpcodeStr, SDNode OpNode, bit Commutable = 0> {
  // 64-bit vector types.
  def v8i8  : N3VD<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                   v8i8, v8i8, OpNode, Commutable>;
  def v4i16 : N3VD<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr, "16"),
                   v4i16, v4i16, OpNode, Commutable>;
  def v2i32 : N3VD<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr, "32"),
                   v2i32, v2i32, OpNode, Commutable>;

  // 128-bit vector types.
  def v16i8 : N3VQ<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                   v16i8, v16i8, OpNode, Commutable>;
  def v8i16 : N3VQ<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr, "16"),
                   v8i16, v8i16, OpNode, Commutable>;
  def v4i32 : N3VQ<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr, "32"),
                   v4i32, v4i32, OpNode, Commutable>;
}

// ....then also with element size 64 bits:
multiclass N3V_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                    string OpcodeStr, SDNode OpNode, bit Commutable = 0>
  : N3V_QHS<op24, op23, op11_8, op4, OpcodeStr, OpNode, Commutable> {
  def v1i64 : N3VD<op24, op23, 0b11, op11_8, op4, !strconcat(OpcodeStr, "64"),
                   v1i64, v1i64, OpNode, Commutable>;
  def v2i64 : N3VQ<op24, op23, 0b11, op11_8, op4, !strconcat(OpcodeStr, "64"),
                   v2i64, v2i64, OpNode, Commutable>;
}


// Neon Narrowing 2-register vector intrinsics,
//   source operand element sizes of 16, 32 and 64 bits:
multiclass N2VNInt_HSD<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
                       bits<5> op11_7, bit op6, bit op4, string OpcodeStr,
                       Intrinsic IntOp> {
  def v8i8  : N2VNInt<op24_23, op21_20, 0b00, op17_16, op11_7, op6, op4,
                      !strconcat(OpcodeStr, "16"), v8i8, v8i16, IntOp>;
  def v4i16 : N2VNInt<op24_23, op21_20, 0b01, op17_16, op11_7, op6, op4,
                      !strconcat(OpcodeStr, "32"), v4i16, v4i32, IntOp>;
  def v2i32 : N2VNInt<op24_23, op21_20, 0b10, op17_16, op11_7, op6, op4,
                      !strconcat(OpcodeStr, "64"), v2i32, v2i64, IntOp>;
}


// Neon Lengthening 2-register vector intrinsic (currently specific to VMOVL).
//   source operand element sizes of 16, 32 and 64 bits:
multiclass N2VLInt_QHS<bit op24, bit op23, bits<4> op11_8, bit op7, bit op6,
                       bit op4, string OpcodeStr, Intrinsic IntOp> {
  def v8i16 : N2VLInt<op24, op23, 0b001000, op11_8, op7, op6, op4,
                      !strconcat(OpcodeStr, "8"), v8i16, v8i8, IntOp>;
  def v4i32 : N2VLInt<op24, op23, 0b010000, op11_8, op7, op6, op4,
                      !strconcat(OpcodeStr, "16"), v4i32, v4i16, IntOp>;
  def v2i64 : N2VLInt<op24, op23, 0b100000, op11_8, op7, op6, op4,
                      !strconcat(OpcodeStr, "32"), v2i64, v2i32, IntOp>;
}


// Neon 3-register vector intrinsics.

// First with only element sizes of 16 and 32 bits:
multiclass N3VInt_HS<bit op24, bit op23, bits<4> op11_8, bit op4,
                     string OpcodeStr, Intrinsic IntOp, bit Commutable = 0> {
  // 64-bit vector types.
  def v4i16 : N3VDInt<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr,"16"),
                      v4i16, v4i16, IntOp, Commutable>;
  def v2i32 : N3VDInt<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr,"32"),
                      v2i32, v2i32, IntOp, Commutable>;

  // 128-bit vector types.
  def v8i16 : N3VQInt<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr,"16"),
                      v8i16, v8i16, IntOp, Commutable>;
  def v4i32 : N3VQInt<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr,"32"),
                      v4i32, v4i32, IntOp, Commutable>;
}

// ....then also with element size of 8 bits:
multiclass N3VInt_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                      string OpcodeStr, Intrinsic IntOp, bit Commutable = 0>
  : N3VInt_HS<op24, op23, op11_8, op4, OpcodeStr, IntOp, Commutable> {
  def v8i8  : N3VDInt<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                      v8i8, v8i8, IntOp, Commutable>;
  def v16i8 : N3VQInt<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                      v16i8, v16i8, IntOp, Commutable>;
}

// ....then also with element size of 64 bits:
multiclass N3VInt_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp, bit Commutable = 0>
  : N3VInt_QHS<op24, op23, op11_8, op4, OpcodeStr, IntOp, Commutable> {
  def v1i64 : N3VDInt<op24, op23, 0b11, op11_8, op4, !strconcat(OpcodeStr,"64"),
                      v1i64, v1i64, IntOp, Commutable>;
  def v2i64 : N3VQInt<op24, op23, 0b11, op11_8, op4, !strconcat(OpcodeStr,"64"),
                      v2i64, v2i64, IntOp, Commutable>;
}


// Neon Narrowing 3-register vector intrinsics,
//   source operand element sizes of 16, 32 and 64 bits:
multiclass N3VNInt_HSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp, bit Commutable = 0> {
  def v8i8  : N3VNInt<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr,"16"),
                      v8i8, v8i16, IntOp, Commutable>;
  def v4i16 : N3VNInt<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr,"32"),
                      v4i16, v4i32, IntOp, Commutable>;
  def v2i32 : N3VNInt<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr,"64"),
                      v2i32, v2i64, IntOp, Commutable>;
}


// Neon Long 3-register vector intrinsics.

// First with only element sizes of 16 and 32 bits:
multiclass N3VLInt_HS<bit op24, bit op23, bits<4> op11_8, bit op4,
                      string OpcodeStr, Intrinsic IntOp, bit Commutable = 0> {
  def v4i32 : N3VLInt<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr,"16"),
                      v4i32, v4i16, IntOp, Commutable>;
  def v2i64 : N3VLInt<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr,"32"),
                      v2i64, v2i32, IntOp, Commutable>;
}

// ....then also with element size of 8 bits:
multiclass N3VLInt_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp, bit Commutable = 0>
  : N3VLInt_HS<op24, op23, op11_8, op4, OpcodeStr, IntOp, Commutable> {
  def v8i16 : N3VLInt<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                      v8i16, v8i8, IntOp, Commutable>;
}


// Neon Wide 3-register vector intrinsics,
//   source operand element sizes of 8, 16 and 32 bits:
multiclass N3VWInt_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp, bit Commutable = 0> {
  def v8i16 : N3VWInt<op24, op23, 0b00, op11_8, op4, !strconcat(OpcodeStr, "8"),
                      v8i16, v8i8, IntOp, Commutable>;
  def v4i32 : N3VWInt<op24, op23, 0b01, op11_8, op4, !strconcat(OpcodeStr,"16"),
                      v4i32, v4i16, IntOp, Commutable>;
  def v2i64 : N3VWInt<op24, op23, 0b10, op11_8, op4, !strconcat(OpcodeStr,"32"),
                      v2i64, v2i32, IntOp, Commutable>;
}


// Neon Multiply-Op vector operations,
//   element sizes of 8, 16 and 32 bits:
multiclass N3VMulOp_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                        string OpcodeStr, SDNode OpNode> {
  // 64-bit vector types.
  def v8i8  : N3VDMulOp<op24, op23, 0b00, op11_8, op4,
                        !strconcat(OpcodeStr, "8"), v8i8, mul, OpNode>;
  def v4i16 : N3VDMulOp<op24, op23, 0b01, op11_8, op4,
                        !strconcat(OpcodeStr, "16"), v4i16, mul, OpNode>;
  def v2i32 : N3VDMulOp<op24, op23, 0b10, op11_8, op4,
                        !strconcat(OpcodeStr, "32"), v2i32, mul, OpNode>;

  // 128-bit vector types.
  def v16i8 : N3VQMulOp<op24, op23, 0b00, op11_8, op4,
                        !strconcat(OpcodeStr, "8"), v16i8, mul, OpNode>;
  def v8i16 : N3VQMulOp<op24, op23, 0b01, op11_8, op4,
                        !strconcat(OpcodeStr, "16"), v8i16, mul, OpNode>;
  def v4i32 : N3VQMulOp<op24, op23, 0b10, op11_8, op4,
                        !strconcat(OpcodeStr, "32"), v4i32, mul, OpNode>;
}


// Neon 3-argument intrinsics,
//   element sizes of 8, 16 and 32 bits:
multiclass N3VInt3_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp> {
  // 64-bit vector types.
  def v8i8  : N3VDInt3<op24, op23, 0b00, op11_8, op4,
                        !strconcat(OpcodeStr, "8"), v8i8, v8i8, IntOp>;
  def v4i16 : N3VDInt3<op24, op23, 0b01, op11_8, op4,
                        !strconcat(OpcodeStr, "16"), v4i16, v4i16, IntOp>;
  def v2i32 : N3VDInt3<op24, op23, 0b10, op11_8, op4,
                        !strconcat(OpcodeStr, "32"), v2i32, v2i32, IntOp>;

  // 128-bit vector types.
  def v16i8 : N3VQInt3<op24, op23, 0b00, op11_8, op4,
                        !strconcat(OpcodeStr, "8"), v16i8, v16i8, IntOp>;
  def v8i16 : N3VQInt3<op24, op23, 0b01, op11_8, op4,
                        !strconcat(OpcodeStr, "16"), v8i16, v8i16, IntOp>;
  def v4i32 : N3VQInt3<op24, op23, 0b10, op11_8, op4,
                        !strconcat(OpcodeStr, "32"), v4i32, v4i32, IntOp>;
}


// Neon Long 3-argument intrinsics.

// First with only element sizes of 16 and 32 bits:
multiclass N3VLInt3_HS<bit op24, bit op23, bits<4> op11_8, bit op4,
                       string OpcodeStr, Intrinsic IntOp> {
  def v4i32 : N3VLInt3<op24, op23, 0b01, op11_8, op4,
                       !strconcat(OpcodeStr, "16"), v4i32, v4i16, IntOp>;
  def v2i64 : N3VLInt3<op24, op23, 0b10, op11_8, op4,
                       !strconcat(OpcodeStr, "32"), v2i64, v2i32, IntOp>;
}

// ....then also with element size of 8 bits:
multiclass N3VLInt3_QHS<bit op24, bit op23, bits<4> op11_8, bit op4,
                        string OpcodeStr, Intrinsic IntOp>
  : N3VLInt3_HS<op24, op23, op11_8, op4, OpcodeStr, IntOp> {
  def v8i16 : N3VLInt3<op24, op23, 0b01, op11_8, op4,
                       !strconcat(OpcodeStr, "8"), v8i16, v8i8, IntOp>;
}


// Neon 2-register vector intrinsics,
//   element sizes of 8, 16 and 32 bits:
multiclass N2VInt_QHS<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
                      bits<5> op11_7, bit op4, string OpcodeStr,
                      Intrinsic IntOp> {
  // 64-bit vector types.
  def v8i8  : N2VDInt<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "8"), v8i8, v8i8, IntOp>;
  def v4i16 : N2VDInt<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "16"), v4i16, v4i16, IntOp>;
  def v2i32 : N2VDInt<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "32"), v2i32, v2i32, IntOp>;

  // 128-bit vector types.
  def v16i8 : N2VQInt<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "8"), v16i8, v16i8, IntOp>;
  def v8i16 : N2VQInt<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "16"), v8i16, v8i16, IntOp>;
  def v4i32 : N2VQInt<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                      !strconcat(OpcodeStr, "32"), v4i32, v4i32, IntOp>;
}


// Neon Pairwise long 2-register intrinsics,
//   element sizes of 8, 16 and 32 bits:
multiclass N2VPLInt_QHS<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
                        bits<5> op11_7, bit op4,
                        string OpcodeStr, Intrinsic IntOp> {
  // 64-bit vector types.
  def v8i8  : N2VDPLInt<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "8"), v4i16, v8i8, IntOp>;
  def v4i16 : N2VDPLInt<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "16"), v2i32, v4i16, IntOp>;
  def v2i32 : N2VDPLInt<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "32"), v1i64, v2i32, IntOp>;

  // 128-bit vector types.
  def v16i8 : N2VQPLInt<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "8"), v8i16, v16i8, IntOp>;
  def v8i16 : N2VQPLInt<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "16"), v4i32, v8i16, IntOp>;
  def v4i32 : N2VQPLInt<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                        !strconcat(OpcodeStr, "32"), v2i64, v4i32, IntOp>;
}


// Neon Pairwise long 2-register accumulate intrinsics,
//   element sizes of 8, 16 and 32 bits:
multiclass N2VPLInt2_QHS<bits<2> op24_23, bits<2> op21_20, bits<2> op17_16,
                         bits<5> op11_7, bit op4,
                         string OpcodeStr, Intrinsic IntOp> {
  // 64-bit vector types.
  def v8i8  : N2VDPLInt2<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "8"), v4i16, v8i8, IntOp>;
  def v4i16 : N2VDPLInt2<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "16"), v2i32, v4i16, IntOp>;
  def v2i32 : N2VDPLInt2<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "32"), v1i64, v2i32, IntOp>;

  // 128-bit vector types.
  def v16i8 : N2VQPLInt2<op24_23, op21_20, 0b00, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "8"), v8i16, v16i8, IntOp>;
  def v8i16 : N2VQPLInt2<op24_23, op21_20, 0b01, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "16"), v4i32, v8i16, IntOp>;
  def v4i32 : N2VQPLInt2<op24_23, op21_20, 0b10, op17_16, op11_7, op4,
                         !strconcat(OpcodeStr, "32"), v2i64, v4i32, IntOp>;
}


// Neon 2-register vector shift by immediate,
//   element sizes of 8, 16, 32 and 64 bits:
multiclass N2VSh_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                      string OpcodeStr, SDNode OpNode> {
  // 64-bit vector types.
  def v8i8  : N2VDSh<op24, op23, 0b001000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "8"), v8i8, OpNode>;
  def v4i16 : N2VDSh<op24, op23, 0b010000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "16"), v4i16, OpNode>;
  def v2i32 : N2VDSh<op24, op23, 0b100000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "32"), v2i32, OpNode>;
  def v1i64 : N2VDSh<op24, op23, 0b000000, op11_8, 1, op4,
                     !strconcat(OpcodeStr, "64"), v1i64, OpNode>;

  // 128-bit vector types.
  def v16i8 : N2VQSh<op24, op23, 0b001000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "8"), v16i8, OpNode>;
  def v8i16 : N2VQSh<op24, op23, 0b010000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "16"), v8i16, OpNode>;
  def v4i32 : N2VQSh<op24, op23, 0b100000, op11_8, 0, op4,
                     !strconcat(OpcodeStr, "32"), v4i32, OpNode>;
  def v2i64 : N2VQSh<op24, op23, 0b000000, op11_8, 1, op4,
                     !strconcat(OpcodeStr, "64"), v2i64, OpNode>;
}


// Neon Shift-Accumulate vector operations,
//   element sizes of 8, 16, 32 and 64 bits:
multiclass N2VShAdd_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                         string OpcodeStr, SDNode ShOp> {
  // 64-bit vector types.
  def v8i8  : N2VDShAdd<op24, op23, 0b001000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "8"), v8i8, ShOp>;
  def v4i16 : N2VDShAdd<op24, op23, 0b010000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "16"), v4i16, ShOp>;
  def v2i32 : N2VDShAdd<op24, op23, 0b100000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "32"), v2i32, ShOp>;
  def v1i64 : N2VDShAdd<op24, op23, 0b000000, op11_8, 1, op4,
                        !strconcat(OpcodeStr, "64"), v1i64, ShOp>;

  // 128-bit vector types.
  def v16i8 : N2VQShAdd<op24, op23, 0b001000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "8"), v16i8, ShOp>;
  def v8i16 : N2VQShAdd<op24, op23, 0b010000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "16"), v8i16, ShOp>;
  def v4i32 : N2VQShAdd<op24, op23, 0b100000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "32"), v4i32, ShOp>;
  def v2i64 : N2VQShAdd<op24, op23, 0b000000, op11_8, 1, op4,
                        !strconcat(OpcodeStr, "64"), v2i64, ShOp>;
}


// Neon Shift-Insert vector operations,
//   element sizes of 8, 16, 32 and 64 bits:
multiclass N2VShIns_QHSD<bit op24, bit op23, bits<4> op11_8, bit op4,
                         string OpcodeStr, SDNode ShOp> {
  // 64-bit vector types.
  def v8i8  : N2VDShIns<op24, op23, 0b001000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "8"), v8i8, ShOp>;
  def v4i16 : N2VDShIns<op24, op23, 0b010000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "16"), v4i16, ShOp>;
  def v2i32 : N2VDShIns<op24, op23, 0b100000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "32"), v2i32, ShOp>;
  def v1i64 : N2VDShIns<op24, op23, 0b000000, op11_8, 1, op4,
                        !strconcat(OpcodeStr, "64"), v1i64, ShOp>;

  // 128-bit vector types.
  def v16i8 : N2VQShIns<op24, op23, 0b001000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "8"), v16i8, ShOp>;
  def v8i16 : N2VQShIns<op24, op23, 0b010000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "16"), v8i16, ShOp>;
  def v4i32 : N2VQShIns<op24, op23, 0b100000, op11_8, 0, op4,
                        !strconcat(OpcodeStr, "32"), v4i32, ShOp>;
  def v2i64 : N2VQShIns<op24, op23, 0b000000, op11_8, 1, op4,
                        !strconcat(OpcodeStr, "64"), v2i64, ShOp>;
}

//===----------------------------------------------------------------------===//
// Instruction Definitions.
//===----------------------------------------------------------------------===//

// Vector Add Operations.

//   VADD     : Vector Add (integer and floating-point)
defm VADD     : N3V_QHSD<0, 0, 0b1000, 0, "vadd.i", add, 1>;
def  VADDfd   : N3VD<0, 0, 0b00, 0b1101, 0, "vadd.f32", v2f32, v2f32, fadd, 1>;
def  VADDfq   : N3VQ<0, 0, 0b00, 0b1101, 0, "vadd.f32", v4f32, v4f32, fadd, 1>;
//   VADDL    : Vector Add Long (Q = D + D)
defm VADDLs   : N3VLInt_QHS<0,1,0b0000,0, "vaddl.s", int_arm_neon_vaddls, 1>;
defm VADDLu   : N3VLInt_QHS<1,1,0b0000,0, "vaddl.u", int_arm_neon_vaddlu, 1>;
//   VADDW    : Vector Add Wide (Q = Q + D)
defm VADDWs   : N3VWInt_QHS<0,1,0b0001,0, "vaddw.s", int_arm_neon_vaddws, 0>;
defm VADDWu   : N3VWInt_QHS<1,1,0b0001,0, "vaddw.u", int_arm_neon_vaddwu, 0>;
//   VHADD    : Vector Halving Add
defm VHADDs   : N3VInt_QHS<0,0,0b0000,0, "vhadd.s", int_arm_neon_vhadds, 1>;
defm VHADDu   : N3VInt_QHS<1,0,0b0000,0, "vhadd.u", int_arm_neon_vhaddu, 1>;
//   VRHADD   : Vector Rounding Halving Add
defm VRHADDs  : N3VInt_QHS<0,0,0b0001,0, "vrhadd.s", int_arm_neon_vrhadds, 1>;
defm VRHADDu  : N3VInt_QHS<1,0,0b0001,0, "vrhadd.u", int_arm_neon_vrhaddu, 1>;
//   VQADD    : Vector Saturating Add
defm VQADDs   : N3VInt_QHSD<0,0,0b0000,1, "vqadd.s", int_arm_neon_vqadds, 1>;
defm VQADDu   : N3VInt_QHSD<1,0,0b0000,1, "vqadd.u", int_arm_neon_vqaddu, 1>;
//   VADDHN   : Vector Add and Narrow Returning High Half (D = Q + Q)
defm VADDHN   : N3VNInt_HSD<0,1,0b0100,0, "vaddhn.i", int_arm_neon_vaddhn, 1>;
//   VRADDHN  : Vector Rounding Add and Narrow Returning High Half (D = Q + Q)
defm VRADDHN  : N3VNInt_HSD<1,1,0b0100,0, "vraddhn.i", int_arm_neon_vraddhn, 1>;

// Vector Multiply Operations.

//   VMUL     : Vector Multiply (integer, polynomial and floating-point)
defm VMUL     : N3V_QHS<0, 0, 0b1001, 1, "vmul.i", mul, 1>;
def  VMULpd   : N3VDInt<1, 0, 0b00, 0b1001, 1, "vmul.p8", v8i8, v8i8,
                        int_arm_neon_vmulp, 1>;
def  VMULpq   : N3VQInt<1, 0, 0b00, 0b1001, 1, "vmul.p8", v16i8, v16i8,
                        int_arm_neon_vmulp, 1>;
def  VMULfd   : N3VD<1, 0, 0b00, 0b1101, 1, "vmul.f32", v2f32, v2f32, fmul, 1>;
def  VMULfq   : N3VQ<1, 0, 0b00, 0b1101, 1, "vmul.f32", v4f32, v4f32, fmul, 1>;
//   VQDMULH  : Vector Saturating Doubling Multiply Returning High Half
defm VQDMULH  : N3VInt_HS<0,0,0b1011,0, "vqdmulh.s", int_arm_neon_vqdmulh, 1>;
//   VQRDMULH : Vector Rounding Saturating Doubling Multiply Returning High Half
defm VQRDMULH : N3VInt_HS<1,0,0b1011,0, "vqrdmulh.s", int_arm_neon_vqrdmulh, 1>;
//   VMULL    : Vector Multiply Long (integer and polynomial) (Q = D * D)
defm VMULLs   : N3VLInt_QHS<0,1,0b1100,0, "vmull.s", int_arm_neon_vmulls, 1>;
defm VMULLu   : N3VLInt_QHS<1,1,0b1100,0, "vmull.u", int_arm_neon_vmullu, 1>;
def  VMULLp   : N3VLInt<0, 1, 0b00, 0b1110, 0, "vmull.p8", v8i16, v8i8,
                        int_arm_neon_vmullp, 1>;
//   VQDMULL  : Vector Saturating Doubling Multiply Long (Q = D * D)
defm VQDMULL  : N3VLInt_HS<0,1,0b1101,0, "vqdmull.s", int_arm_neon_vqdmull, 1>;

// Vector Multiply-Accumulate and Multiply-Subtract Operations.

//   VMLA     : Vector Multiply Accumulate (integer and floating-point)
defm VMLA     : N3VMulOp_QHS<0, 0, 0b1001, 0, "vmla.i", add>;
def  VMLAfd   : N3VDMulOp<0, 0, 0b00, 0b1101, 1, "vmla.f32", v2f32, fmul, fadd>;
def  VMLAfq   : N3VQMulOp<0, 0, 0b00, 0b1101, 1, "vmla.f32", v4f32, fmul, fadd>;
//   VMLAL    : Vector Multiply Accumulate Long (Q += D * D)
defm VMLALs   : N3VLInt3_QHS<0,1,0b1000,0, "vmlal.s", int_arm_neon_vmlals>;
defm VMLALu   : N3VLInt3_QHS<1,1,0b1000,0, "vmlal.u", int_arm_neon_vmlalu>;
//   VQDMLAL  : Vector Saturating Doubling Multiply Accumulate Long (Q += D * D)
defm VQDMLAL  : N3VLInt3_HS<0, 1, 0b1001, 0, "vqdmlal.s", int_arm_neon_vqdmlal>;
//   VMLS     : Vector Multiply Subtract (integer and floating-point)
defm VMLS     : N3VMulOp_QHS<0, 0, 0b1001, 0, "vmls.i", sub>;
def  VMLSfd   : N3VDMulOp<0, 0, 0b10, 0b1101, 1, "vmls.f32", v2f32, fmul, fsub>;
def  VMLSfq   : N3VQMulOp<0, 0, 0b10, 0b1101, 1, "vmls.f32", v4f32, fmul, fsub>;
//   VMLSL    : Vector Multiply Subtract Long (Q -= D * D)
defm VMLSLs   : N3VLInt3_QHS<0,1,0b1010,0, "vmlsl.s", int_arm_neon_vmlsls>;
defm VMLSLu   : N3VLInt3_QHS<1,1,0b1010,0, "vmlsl.u", int_arm_neon_vmlslu>;
//   VQDMLSL  : Vector Saturating Doubling Multiply Subtract Long (Q -= D * D)
defm VQDMLSL  : N3VLInt3_HS<0, 1, 0b1011, 0, "vqdmlsl.s", int_arm_neon_vqdmlsl>;

// Vector Subtract Operations.

//   VSUB     : Vector Subtract (integer and floating-point)
defm VSUB     : N3V_QHSD<1, 0, 0b1000, 0, "vsub.i", sub, 0>;
def  VSUBfd   : N3VD<0, 0, 0b10, 0b1101, 0, "vsub.f32", v2f32, v2f32, fsub, 0>;
def  VSUBfq   : N3VQ<0, 0, 0b10, 0b1101, 0, "vsub.f32", v4f32, v4f32, fsub, 0>;
//   VSUBL    : Vector Subtract Long (Q = D - D)
defm VSUBLs   : N3VLInt_QHS<0,1,0b0010,0, "vsubl.s", int_arm_neon_vsubls, 1>;
defm VSUBLu   : N3VLInt_QHS<1,1,0b0010,0, "vsubl.u", int_arm_neon_vsublu, 1>;
//   VSUBW    : Vector Subtract Wide (Q = Q - D)
defm VSUBWs   : N3VWInt_QHS<0,1,0b0011,0, "vsubw.s", int_arm_neon_vsubws, 0>;
defm VSUBWu   : N3VWInt_QHS<1,1,0b0011,0, "vsubw.u", int_arm_neon_vsubwu, 0>;
//   VHSUB    : Vector Halving Subtract
defm VHSUBs   : N3VInt_QHS<0, 0, 0b0010, 0, "vhsub.s", int_arm_neon_vhsubs, 0>;
defm VHSUBu   : N3VInt_QHS<1, 0, 0b0010, 0, "vhsub.u", int_arm_neon_vhsubu, 0>;
//   VQSUB    : Vector Saturing Subtract
defm VQSUBs   : N3VInt_QHSD<0, 0, 0b0010, 1, "vqsub.s", int_arm_neon_vqsubs, 0>;
defm VQSUBu   : N3VInt_QHSD<1, 0, 0b0010, 1, "vqsub.u", int_arm_neon_vqsubu, 0>;
//   VSUBHN   : Vector Subtract and Narrow Returning High Half (D = Q - Q)
defm VSUBHN   : N3VNInt_HSD<0,1,0b0110,0, "vsubhn.i", int_arm_neon_vsubhn, 0>;
//   VRSUBHN  : Vector Rounding Subtract and Narrow Returning High Half (D=Q-Q)
defm VRSUBHN  : N3VNInt_HSD<1,1,0b0110,0, "vrsubhn.i", int_arm_neon_vrsubhn, 0>;

// Vector Comparisons.

//   VCEQ     : Vector Compare Equal
defm VCEQ     : N3V_QHS<1, 0, 0b1000, 1, "vceq.i", NEONvceq, 1>;
def  VCEQfd   : N3VD<0,0,0b00,0b1110,0, "vceq.f32", v2i32, v2f32, NEONvceq, 1>;
def  VCEQfq   : N3VQ<0,0,0b00,0b1110,0, "vceq.f32", v4i32, v4f32, NEONvceq, 1>;
//   VCGE     : Vector Compare Greater Than or Equal
defm VCGEs    : N3V_QHS<0, 0, 0b0011, 1, "vcge.s", NEONvcge, 0>;
defm VCGEu    : N3V_QHS<1, 0, 0b0011, 1, "vcge.u", NEONvcgeu, 0>;
def  VCGEfd   : N3VD<1,0,0b00,0b1110,0, "vcge.f32", v2i32, v2f32, NEONvcge, 0>;
def  VCGEfq   : N3VQ<1,0,0b00,0b1110,0, "vcge.f32", v4i32, v4f32, NEONvcge, 0>;
//   VCGT     : Vector Compare Greater Than
defm VCGTs    : N3V_QHS<0, 0, 0b0011, 0, "vcgt.s", NEONvcgt, 0>;
defm VCGTu    : N3V_QHS<1, 0, 0b0011, 0, "vcgt.u", NEONvcgtu, 0>;
def  VCGTfd   : N3VD<1,0,0b10,0b1110,0, "vcgt.f32", v2i32, v2f32, NEONvcgt, 0>;
def  VCGTfq   : N3VQ<1,0,0b10,0b1110,0, "vcgt.f32", v4i32, v4f32, NEONvcgt, 0>;
//   VACGE    : Vector Absolute Compare Greater Than or Equal (aka VCAGE)
def  VACGEd   : N3VDInt<1, 0, 0b00, 0b1110, 1, "vacge.f32", v2i32, v2f32,
                        int_arm_neon_vacged, 0>;
def  VACGEq   : N3VQInt<1, 0, 0b00, 0b1110, 1, "vacge.f32", v4i32, v4f32,
                        int_arm_neon_vacgeq, 0>;
//   VACGT    : Vector Absolute Compare Greater Than (aka VCAGT)
def  VACGTd   : N3VDInt<1, 0, 0b10, 0b1110, 1, "vacgt.f32", v2i32, v2f32,
                        int_arm_neon_vacgtd, 0>;
def  VACGTq   : N3VQInt<1, 0, 0b10, 0b1110, 1, "vacgt.f32", v4i32, v4f32,
                        int_arm_neon_vacgtq, 0>;
//   VTST     : Vector Test Bits
defm VTST     : N3V_QHS<0, 0, 0b1000, 1, "vtst.i", NEONvtst, 1>;

// Vector Bitwise Operations.

//   VAND     : Vector Bitwise AND
def  VANDd    : N3VD<0, 0, 0b00, 0b0001, 1, "vand", v2i32, v2i32, and, 1>;
def  VANDq    : N3VQ<0, 0, 0b00, 0b0001, 1, "vand", v4i32, v4i32, and, 1>;

//   VEOR     : Vector Bitwise Exclusive OR
def  VEORd    : N3VD<1, 0, 0b00, 0b0001, 1, "veor", v2i32, v2i32, xor, 1>;
def  VEORq    : N3VQ<1, 0, 0b00, 0b0001, 1, "veor", v4i32, v4i32, xor, 1>;

//   VORR     : Vector Bitwise OR
def  VORRd    : N3VD<0, 0, 0b10, 0b0001, 1, "vorr", v2i32, v2i32, or, 1>;
def  VORRq    : N3VQ<0, 0, 0b10, 0b0001, 1, "vorr", v4i32, v4i32, or, 1>;

//   VBIC     : Vector Bitwise Bit Clear (AND NOT)
def  VBICd    : N3V<0, 0, 0b01, 0b0001, 0, 1, (outs DPR:$dst),
                    (ins DPR:$src1, DPR:$src2), NoItinerary,
                    "vbic\t$dst, $src1, $src2", "",
                    [(set DPR:$dst, (v2i32 (and DPR:$src1,(vnot DPR:$src2))))]>;
def  VBICq    : N3V<0, 0, 0b01, 0b0001, 1, 1, (outs QPR:$dst),
                    (ins QPR:$src1, QPR:$src2), NoItinerary,
                    "vbic\t$dst, $src1, $src2", "",
                    [(set QPR:$dst, (v4i32 (and QPR:$src1,(vnot QPR:$src2))))]>;

//   VORN     : Vector Bitwise OR NOT
def  VORNd    : N3V<0, 0, 0b11, 0b0001, 0, 1, (outs DPR:$dst),
                    (ins DPR:$src1, DPR:$src2), NoItinerary,
                    "vorn\t$dst, $src1, $src2", "",
                    [(set DPR:$dst, (v2i32 (or DPR:$src1, (vnot DPR:$src2))))]>;
def  VORNq    : N3V<0, 0, 0b11, 0b0001, 1, 1, (outs QPR:$dst),
                    (ins QPR:$src1, QPR:$src2), NoItinerary,
                    "vorn\t$dst, $src1, $src2", "",
                    [(set QPR:$dst, (v4i32 (or QPR:$src1, (vnot QPR:$src2))))]>;

//   VMVN     : Vector Bitwise NOT
def  VMVNd    : N2V<0b11, 0b11, 0b00, 0b00, 0b01011, 0, 0,
                    (outs DPR:$dst), (ins DPR:$src), NoItinerary,
                    "vmvn\t$dst, $src", "",
                    [(set DPR:$dst, (v2i32 (vnot DPR:$src)))]>;
def  VMVNq    : N2V<0b11, 0b11, 0b00, 0b00, 0b01011, 1, 0,
                    (outs QPR:$dst), (ins QPR:$src), NoItinerary,
                    "vmvn\t$dst, $src", "",
                    [(set QPR:$dst, (v4i32 (vnot QPR:$src)))]>;
def : Pat<(v2i32 (vnot_conv DPR:$src)), (VMVNd DPR:$src)>;
def : Pat<(v4i32 (vnot_conv QPR:$src)), (VMVNq QPR:$src)>;

//   VBSL     : Vector Bitwise Select
def  VBSLd    : N3V<1, 0, 0b01, 0b0001, 0, 1, (outs DPR:$dst),
                    (ins DPR:$src1, DPR:$src2, DPR:$src3), NoItinerary,
                    "vbsl\t$dst, $src2, $src3", "$src1 = $dst",
                    [(set DPR:$dst,
                      (v2i32 (or (and DPR:$src2, DPR:$src1),
                                 (and DPR:$src3, (vnot DPR:$src1)))))]>;
def  VBSLq    : N3V<1, 0, 0b01, 0b0001, 1, 1, (outs QPR:$dst),
                    (ins QPR:$src1, QPR:$src2, QPR:$src3), NoItinerary,
                    "vbsl\t$dst, $src2, $src3", "$src1 = $dst",
                    [(set QPR:$dst,
                      (v4i32 (or (and QPR:$src2, QPR:$src1),
                                 (and QPR:$src3, (vnot QPR:$src1)))))]>;

//   VBIF     : Vector Bitwise Insert if False
//              like VBSL but with: "vbif\t$dst, $src3, $src1", "$src2 = $dst",
//   VBIT     : Vector Bitwise Insert if True
//              like VBSL but with: "vbit\t$dst, $src2, $src1", "$src3 = $dst",
// These are not yet implemented.  The TwoAddress pass will not go looking
// for equivalent operations with different register constraints; it just
// inserts copies.

// Vector Absolute Differences.

//   VABD     : Vector Absolute Difference
defm VABDs    : N3VInt_QHS<0, 0, 0b0111, 0, "vabd.s", int_arm_neon_vabds, 0>;
defm VABDu    : N3VInt_QHS<1, 0, 0b0111, 0, "vabd.u", int_arm_neon_vabdu, 0>;
def  VABDfd   : N3VDInt<1, 0, 0b10, 0b1101, 0, "vabd.f32", v2f32, v2f32,
                        int_arm_neon_vabds, 0>;
def  VABDfq   : N3VQInt<1, 0, 0b10, 0b1101, 0, "vabd.f32", v4f32, v4f32,
                        int_arm_neon_vabds, 0>;

//   VABDL    : Vector Absolute Difference Long (Q = | D - D |)
defm VABDLs   : N3VLInt_QHS<0,1,0b0111,0, "vabdl.s", int_arm_neon_vabdls, 0>;
defm VABDLu   : N3VLInt_QHS<1,1,0b0111,0, "vabdl.u", int_arm_neon_vabdlu, 0>;

//   VABA     : Vector Absolute Difference and Accumulate
defm VABAs    : N3VInt3_QHS<0,1,0b0101,0, "vaba.s", int_arm_neon_vabas>;
defm VABAu    : N3VInt3_QHS<1,1,0b0101,0, "vaba.u", int_arm_neon_vabau>;

//   VABAL    : Vector Absolute Difference and Accumulate Long (Q += | D - D |)
defm VABALs   : N3VLInt3_QHS<0,1,0b0101,0, "vabal.s", int_arm_neon_vabals>;
defm VABALu   : N3VLInt3_QHS<1,1,0b0101,0, "vabal.u", int_arm_neon_vabalu>;

// Vector Maximum and Minimum.

//   VMAX     : Vector Maximum
defm VMAXs    : N3VInt_QHS<0, 0, 0b0110, 0, "vmax.s", int_arm_neon_vmaxs, 1>;
defm VMAXu    : N3VInt_QHS<1, 0, 0b0110, 0, "vmax.u", int_arm_neon_vmaxu, 1>;
def  VMAXfd   : N3VDInt<0, 0, 0b00, 0b1111, 0, "vmax.f32", v2f32, v2f32,
                        int_arm_neon_vmaxs, 1>;
def  VMAXfq   : N3VQInt<0, 0, 0b00, 0b1111, 0, "vmax.f32", v4f32, v4f32,
                        int_arm_neon_vmaxs, 1>;

//   VMIN     : Vector Minimum
defm VMINs    : N3VInt_QHS<0, 0, 0b0110, 1, "vmin.s", int_arm_neon_vmins, 1>;
defm VMINu    : N3VInt_QHS<1, 0, 0b0110, 1, "vmin.u", int_arm_neon_vminu, 1>;
def  VMINfd   : N3VDInt<0, 0, 0b10, 0b1111, 0, "vmin.f32", v2f32, v2f32,
                        int_arm_neon_vmins, 1>;
def  VMINfq   : N3VQInt<0, 0, 0b10, 0b1111, 0, "vmin.f32", v4f32, v4f32,
                        int_arm_neon_vmins, 1>;

// Vector Pairwise Operations.

//   VPADD    : Vector Pairwise Add
def  VPADDi8  : N3VDInt<0, 0, 0b00, 0b1011, 1, "vpadd.i8", v8i8, v8i8,
                        int_arm_neon_vpadd, 0>;
def  VPADDi16 : N3VDInt<0, 0, 0b01, 0b1011, 1, "vpadd.i16", v4i16, v4i16,
                        int_arm_neon_vpadd, 0>;
def  VPADDi32 : N3VDInt<0, 0, 0b10, 0b1011, 1, "vpadd.i32", v2i32, v2i32,
                        int_arm_neon_vpadd, 0>;
def  VPADDf   : N3VDInt<1, 0, 0b00, 0b1101, 0, "vpadd.f32", v2f32, v2f32,
                        int_arm_neon_vpadd, 0>;

//   VPADDL   : Vector Pairwise Add Long
defm VPADDLs  : N2VPLInt_QHS<0b11, 0b11, 0b00, 0b00100, 0, "vpaddl.s",
                             int_arm_neon_vpaddls>;
defm VPADDLu  : N2VPLInt_QHS<0b11, 0b11, 0b00, 0b00101, 0, "vpaddl.u",
                             int_arm_neon_vpaddlu>;

//   VPADAL   : Vector Pairwise Add and Accumulate Long
defm VPADALs  : N2VPLInt2_QHS<0b11, 0b11, 0b00, 0b00100, 0, "vpadal.s",
                              int_arm_neon_vpadals>;
defm VPADALu  : N2VPLInt2_QHS<0b11, 0b11, 0b00, 0b00101, 0, "vpadal.u",
                              int_arm_neon_vpadalu>;

//   VPMAX    : Vector Pairwise Maximum
def  VPMAXs8  : N3VDInt<0, 0, 0b00, 0b1010, 0, "vpmax.s8", v8i8, v8i8,
                        int_arm_neon_vpmaxs, 0>;
def  VPMAXs16 : N3VDInt<0, 0, 0b01, 0b1010, 0, "vpmax.s16", v4i16, v4i16,
                        int_arm_neon_vpmaxs, 0>;
def  VPMAXs32 : N3VDInt<0, 0, 0b10, 0b1010, 0, "vpmax.s32", v2i32, v2i32,
                        int_arm_neon_vpmaxs, 0>;
def  VPMAXu8  : N3VDInt<1, 0, 0b00, 0b1010, 0, "vpmax.u8", v8i8, v8i8,
                        int_arm_neon_vpmaxu, 0>;
def  VPMAXu16 : N3VDInt<1, 0, 0b01, 0b1010, 0, "vpmax.u16", v4i16, v4i16,
                        int_arm_neon_vpmaxu, 0>;
def  VPMAXu32 : N3VDInt<1, 0, 0b10, 0b1010, 0, "vpmax.u32", v2i32, v2i32,
                        int_arm_neon_vpmaxu, 0>;
def  VPMAXf   : N3VDInt<1, 0, 0b00, 0b1111, 0, "vpmax.f32", v2f32, v2f32,
                        int_arm_neon_vpmaxs, 0>;

//   VPMIN    : Vector Pairwise Minimum
def  VPMINs8  : N3VDInt<0, 0, 0b00, 0b1010, 1, "vpmin.s8", v8i8, v8i8,
                        int_arm_neon_vpmins, 0>;
def  VPMINs16 : N3VDInt<0, 0, 0b01, 0b1010, 1, "vpmin.s16", v4i16, v4i16,
                        int_arm_neon_vpmins, 0>;
def  VPMINs32 : N3VDInt<0, 0, 0b10, 0b1010, 1, "vpmin.s32", v2i32, v2i32,
                        int_arm_neon_vpmins, 0>;
def  VPMINu8  : N3VDInt<1, 0, 0b00, 0b1010, 1, "vpmin.u8", v8i8, v8i8,
                        int_arm_neon_vpminu, 0>;
def  VPMINu16 : N3VDInt<1, 0, 0b01, 0b1010, 1, "vpmin.u16", v4i16, v4i16,
                        int_arm_neon_vpminu, 0>;
def  VPMINu32 : N3VDInt<1, 0, 0b10, 0b1010, 1, "vpmin.u32", v2i32, v2i32,
                        int_arm_neon_vpminu, 0>;
def  VPMINf   : N3VDInt<1, 0, 0b10, 0b1111, 0, "vpmin.f32", v2f32, v2f32,
                        int_arm_neon_vpmins, 0>;

// Vector Reciprocal and Reciprocal Square Root Estimate and Step.

//   VRECPE   : Vector Reciprocal Estimate
def  VRECPEd  : N2VDInt<0b11, 0b11, 0b10, 0b11, 0b01000, 0, "vrecpe.u32",
                        v2i32, v2i32, int_arm_neon_vrecpe>;
def  VRECPEq  : N2VQInt<0b11, 0b11, 0b10, 0b11, 0b01000, 0, "vrecpe.u32",
                        v4i32, v4i32, int_arm_neon_vrecpe>;
def  VRECPEfd : N2VDInt<0b11, 0b11, 0b10, 0b11, 0b01010, 0, "vrecpe.f32",
                        v2f32, v2f32, int_arm_neon_vrecpe>;
def  VRECPEfq : N2VQInt<0b11, 0b11, 0b10, 0b11, 0b01010, 0, "vrecpe.f32",
                        v4f32, v4f32, int_arm_neon_vrecpe>;

//   VRECPS   : Vector Reciprocal Step
def  VRECPSfd : N3VDInt<0, 0, 0b00, 0b1111, 1, "vrecps.f32", v2f32, v2f32,
                        int_arm_neon_vrecps, 1>;
def  VRECPSfq : N3VQInt<0, 0, 0b00, 0b1111, 1, "vrecps.f32", v4f32, v4f32,
                        int_arm_neon_vrecps, 1>;

//   VRSQRTE  : Vector Reciprocal Square Root Estimate
def  VRSQRTEd  : N2VDInt<0b11, 0b11, 0b10, 0b11, 0b01001, 0, "vrsqrte.u32",
                        v2i32, v2i32, int_arm_neon_vrsqrte>;
def  VRSQRTEq  : N2VQInt<0b11, 0b11, 0b10, 0b11, 0b01001, 0, "vrsqrte.u32",
                        v4i32, v4i32, int_arm_neon_vrsqrte>;
def  VRSQRTEfd : N2VDInt<0b11, 0b11, 0b10, 0b11, 0b01011, 0, "vrsqrte.f32",
                        v2f32, v2f32, int_arm_neon_vrsqrte>;
def  VRSQRTEfq : N2VQInt<0b11, 0b11, 0b10, 0b11, 0b01011, 0, "vrsqrte.f32",
                        v4f32, v4f32, int_arm_neon_vrsqrte>;

//   VRSQRTS  : Vector Reciprocal Square Root Step
def VRSQRTSfd : N3VDInt<0, 0, 0b10, 0b1111, 1, "vrsqrts.f32", v2f32, v2f32,
                        int_arm_neon_vrsqrts, 1>;
def VRSQRTSfq : N3VQInt<0, 0, 0b10, 0b1111, 1, "vrsqrts.f32", v4f32, v4f32,
                        int_arm_neon_vrsqrts, 1>;

// Vector Shifts.

//   VSHL     : Vector Shift
defm VSHLs    : N3VInt_QHSD<0, 0, 0b0100, 0, "vshl.s", int_arm_neon_vshifts, 0>;
defm VSHLu    : N3VInt_QHSD<1, 0, 0b0100, 0, "vshl.u", int_arm_neon_vshiftu, 0>;
//   VSHL     : Vector Shift Left (Immediate)
defm VSHLi    : N2VSh_QHSD<0, 1, 0b0111, 1, "vshl.i", NEONvshl>;
//   VSHR     : Vector Shift Right (Immediate)
defm VSHRs    : N2VSh_QHSD<0, 1, 0b0000, 1, "vshr.s", NEONvshrs>;
defm VSHRu    : N2VSh_QHSD<1, 1, 0b0000, 1, "vshr.u", NEONvshru>;

//   VSHLL    : Vector Shift Left Long
def  VSHLLs8  : N2VLSh<0, 1, 0b001000, 0b1010, 0, 0, 1, "vshll.s8",
                       v8i16, v8i8, NEONvshlls>;
def  VSHLLs16 : N2VLSh<0, 1, 0b010000, 0b1010, 0, 0, 1, "vshll.s16",
                       v4i32, v4i16, NEONvshlls>;
def  VSHLLs32 : N2VLSh<0, 1, 0b100000, 0b1010, 0, 0, 1, "vshll.s32",
                       v2i64, v2i32, NEONvshlls>;
def  VSHLLu8  : N2VLSh<1, 1, 0b001000, 0b1010, 0, 0, 1, "vshll.u8",
                       v8i16, v8i8, NEONvshllu>;
def  VSHLLu16 : N2VLSh<1, 1, 0b010000, 0b1010, 0, 0, 1, "vshll.u16",
                       v4i32, v4i16, NEONvshllu>;
def  VSHLLu32 : N2VLSh<1, 1, 0b100000, 0b1010, 0, 0, 1, "vshll.u32",
                       v2i64, v2i32, NEONvshllu>;

//   VSHLL    : Vector Shift Left Long (with maximum shift count)
def  VSHLLi8  : N2VLSh<1, 1, 0b110010, 0b0011, 0, 0, 0, "vshll.i8",
                       v8i16, v8i8, NEONvshlli>;
def  VSHLLi16 : N2VLSh<1, 1, 0b110110, 0b0011, 0, 0, 0, "vshll.i16",
                       v4i32, v4i16, NEONvshlli>;
def  VSHLLi32 : N2VLSh<1, 1, 0b111010, 0b0011, 0, 0, 0, "vshll.i32",
                       v2i64, v2i32, NEONvshlli>;

//   VSHRN    : Vector Shift Right and Narrow
def  VSHRN16  : N2VNSh<0, 1, 0b001000, 0b1000, 0, 0, 1, "vshrn.i16",
                       v8i8, v8i16, NEONvshrn>;
def  VSHRN32  : N2VNSh<0, 1, 0b010000, 0b1000, 0, 0, 1, "vshrn.i32",
                       v4i16, v4i32, NEONvshrn>;
def  VSHRN64  : N2VNSh<0, 1, 0b100000, 0b1000, 0, 0, 1, "vshrn.i64",
                       v2i32, v2i64, NEONvshrn>;

//   VRSHL    : Vector Rounding Shift
defm VRSHLs   : N3VInt_QHSD<0,0,0b0101,0, "vrshl.s", int_arm_neon_vrshifts, 0>;
defm VRSHLu   : N3VInt_QHSD<1,0,0b0101,0, "vrshl.u", int_arm_neon_vrshiftu, 0>;
//   VRSHR    : Vector Rounding Shift Right
defm VRSHRs   : N2VSh_QHSD<0, 1, 0b0010, 1, "vrshr.s", NEONvrshrs>;
defm VRSHRu   : N2VSh_QHSD<1, 1, 0b0010, 1, "vrshr.u", NEONvrshru>;

//   VRSHRN   : Vector Rounding Shift Right and Narrow
def  VRSHRN16 : N2VNSh<0, 1, 0b001000, 0b1000, 0, 1, 1, "vrshrn.i16",
                       v8i8, v8i16, NEONvrshrn>;
def  VRSHRN32 : N2VNSh<0, 1, 0b010000, 0b1000, 0, 1, 1, "vrshrn.i32",
                       v4i16, v4i32, NEONvrshrn>;
def  VRSHRN64 : N2VNSh<0, 1, 0b100000, 0b1000, 0, 1, 1, "vrshrn.i64",
                       v2i32, v2i64, NEONvrshrn>;

//   VQSHL    : Vector Saturating Shift
defm VQSHLs   : N3VInt_QHSD<0,0,0b0100,1, "vqshl.s", int_arm_neon_vqshifts, 0>;
defm VQSHLu   : N3VInt_QHSD<1,0,0b0100,1, "vqshl.u", int_arm_neon_vqshiftu, 0>;
//   VQSHL    : Vector Saturating Shift Left (Immediate)
defm VQSHLsi  : N2VSh_QHSD<0, 1, 0b0111, 1, "vqshl.s", NEONvqshls>;
defm VQSHLui  : N2VSh_QHSD<1, 1, 0b0111, 1, "vqshl.u", NEONvqshlu>;
//   VQSHLU   : Vector Saturating Shift Left (Immediate, Unsigned)
defm VQSHLsu  : N2VSh_QHSD<1, 1, 0b0110, 1, "vqshlu.s", NEONvqshlsu>;

//   VQSHRN   : Vector Saturating Shift Right and Narrow
def VQSHRNs16 : N2VNSh<0, 1, 0b001000, 0b1001, 0, 0, 1, "vqshrn.s16",
                       v8i8, v8i16, NEONvqshrns>;
def VQSHRNs32 : N2VNSh<0, 1, 0b010000, 0b1001, 0, 0, 1, "vqshrn.s32",
                       v4i16, v4i32, NEONvqshrns>;
def VQSHRNs64 : N2VNSh<0, 1, 0b100000, 0b1001, 0, 0, 1, "vqshrn.s64",
                       v2i32, v2i64, NEONvqshrns>;
def VQSHRNu16 : N2VNSh<1, 1, 0b001000, 0b1001, 0, 0, 1, "vqshrn.u16",
                       v8i8, v8i16, NEONvqshrnu>;
def VQSHRNu32 : N2VNSh<1, 1, 0b010000, 0b1001, 0, 0, 1, "vqshrn.u32",
                       v4i16, v4i32, NEONvqshrnu>;
def VQSHRNu64 : N2VNSh<1, 1, 0b100000, 0b1001, 0, 0, 1, "vqshrn.u64",
                       v2i32, v2i64, NEONvqshrnu>;

//   VQSHRUN  : Vector Saturating Shift Right and Narrow (Unsigned)
def VQSHRUN16 : N2VNSh<1, 1, 0b001000, 0b1000, 0, 0, 1, "vqshrun.s16",
                       v8i8, v8i16, NEONvqshrnsu>;
def VQSHRUN32 : N2VNSh<1, 1, 0b010000, 0b1000, 0, 0, 1, "vqshrun.s32",
                       v4i16, v4i32, NEONvqshrnsu>;
def VQSHRUN64 : N2VNSh<1, 1, 0b100000, 0b1000, 0, 0, 1, "vqshrun.s64",
                       v2i32, v2i64, NEONvqshrnsu>;

//   VQRSHL   : Vector Saturating Rounding Shift
defm VQRSHLs  : N3VInt_QHSD<0, 0, 0b0101, 1, "vqrshl.s",
                            int_arm_neon_vqrshifts, 0>;
defm VQRSHLu  : N3VInt_QHSD<1, 0, 0b0101, 1, "vqrshl.u",
                            int_arm_neon_vqrshiftu, 0>;

//   VQRSHRN  : Vector Saturating Rounding Shift Right and Narrow
def VQRSHRNs16: N2VNSh<0, 1, 0b001000, 0b1001, 0, 1, 1, "vqrshrn.s16",
                       v8i8, v8i16, NEONvqrshrns>;
def VQRSHRNs32: N2VNSh<0, 1, 0b010000, 0b1001, 0, 1, 1, "vqrshrn.s32",
                       v4i16, v4i32, NEONvqrshrns>;
def VQRSHRNs64: N2VNSh<0, 1, 0b100000, 0b1001, 0, 1, 1, "vqrshrn.s64",
                       v2i32, v2i64, NEONvqrshrns>;
def VQRSHRNu16: N2VNSh<1, 1, 0b001000, 0b1001, 0, 1, 1, "vqrshrn.u16",
                       v8i8, v8i16, NEONvqrshrnu>;
def VQRSHRNu32: N2VNSh<1, 1, 0b010000, 0b1001, 0, 1, 1, "vqrshrn.u32",
                       v4i16, v4i32, NEONvqrshrnu>;
def VQRSHRNu64: N2VNSh<1, 1, 0b100000, 0b1001, 0, 1, 1, "vqrshrn.u64",
                       v2i32, v2i64, NEONvqrshrnu>;

//   VQRSHRUN : Vector Saturating Rounding Shift Right and Narrow (Unsigned)
def VQRSHRUN16: N2VNSh<1, 1, 0b001000, 0b1000, 0, 1, 1, "vqrshrun.s16",
                       v8i8, v8i16, NEONvqrshrnsu>;
def VQRSHRUN32: N2VNSh<1, 1, 0b010000, 0b1000, 0, 1, 1, "vqrshrun.s32",
                       v4i16, v4i32, NEONvqrshrnsu>;
def VQRSHRUN64: N2VNSh<1, 1, 0b100000, 0b1000, 0, 1, 1, "vqrshrun.s64",
                       v2i32, v2i64, NEONvqrshrnsu>;

//   VSRA     : Vector Shift Right and Accumulate
defm VSRAs    : N2VShAdd_QHSD<0, 1, 0b0001, 1, "vsra.s", NEONvshrs>;
defm VSRAu    : N2VShAdd_QHSD<1, 1, 0b0001, 1, "vsra.u", NEONvshru>;
//   VRSRA    : Vector Rounding Shift Right and Accumulate
defm VRSRAs   : N2VShAdd_QHSD<0, 1, 0b0011, 1, "vrsra.s", NEONvrshrs>;
defm VRSRAu   : N2VShAdd_QHSD<1, 1, 0b0011, 1, "vrsra.u", NEONvrshru>;

//   VSLI     : Vector Shift Left and Insert
defm VSLI     : N2VShIns_QHSD<1, 1, 0b0101, 1, "vsli.", NEONvsli>;
//   VSRI     : Vector Shift Right and Insert
defm VSRI     : N2VShIns_QHSD<1, 1, 0b0100, 1, "vsri.", NEONvsri>;

// Vector Absolute and Saturating Absolute.

//   VABS     : Vector Absolute Value
defm VABS     : N2VInt_QHS<0b11, 0b11, 0b01, 0b00110, 0, "vabs.s",
                           int_arm_neon_vabs>;
def  VABSfd   : N2VDInt<0b11, 0b11, 0b10, 0b01, 0b01110, 0, "vabs.f32",
                        v2f32, v2f32, int_arm_neon_vabs>;
def  VABSfq   : N2VQInt<0b11, 0b11, 0b10, 0b01, 0b01110, 0, "vabs.f32",
                        v4f32, v4f32, int_arm_neon_vabs>;

//   VQABS    : Vector Saturating Absolute Value
defm VQABS    : N2VInt_QHS<0b11, 0b11, 0b00, 0b01110, 0, "vqabs.s",
                           int_arm_neon_vqabs>;

// Vector Negate.

def vneg      : PatFrag<(ops node:$in), (sub immAllZerosV, node:$in)>;
def vneg_conv : PatFrag<(ops node:$in), (sub immAllZerosV_bc, node:$in)>;

class VNEGD<bits<2> size, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, size, 0b01, 0b00111, 0, 0, (outs DPR:$dst), (ins DPR:$src),
        NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (Ty (vneg DPR:$src)))]>;
class VNEGQ<bits<2> size, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, size, 0b01, 0b00111, 1, 0, (outs QPR:$dst), (ins QPR:$src),
        NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (Ty (vneg QPR:$src)))]>;

//   VNEG     : Vector Negate
def  VNEGs8d  : VNEGD<0b00, "vneg.s8", v8i8>;
def  VNEGs16d : VNEGD<0b01, "vneg.s16", v4i16>;
def  VNEGs32d : VNEGD<0b10, "vneg.s32", v2i32>;
def  VNEGs8q  : VNEGQ<0b00, "vneg.s8", v16i8>;
def  VNEGs16q : VNEGQ<0b01, "vneg.s16", v8i16>;
def  VNEGs32q : VNEGQ<0b10, "vneg.s32", v4i32>;

//   VNEG     : Vector Negate (floating-point)
def  VNEGf32d : N2V<0b11, 0b11, 0b10, 0b01, 0b01111, 0, 0,
                    (outs DPR:$dst), (ins DPR:$src), NoItinerary,
                    "vneg.f32\t$dst, $src", "",
                    [(set DPR:$dst, (v2f32 (fneg DPR:$src)))]>;
def  VNEGf32q : N2V<0b11, 0b11, 0b10, 0b01, 0b01111, 1, 0,
                    (outs QPR:$dst), (ins QPR:$src), NoItinerary,
                    "vneg.f32\t$dst, $src", "",
                    [(set QPR:$dst, (v4f32 (fneg QPR:$src)))]>;

def : Pat<(v8i8 (vneg_conv DPR:$src)), (VNEGs8d DPR:$src)>;
def : Pat<(v4i16 (vneg_conv DPR:$src)), (VNEGs16d DPR:$src)>;
def : Pat<(v2i32 (vneg_conv DPR:$src)), (VNEGs32d DPR:$src)>;
def : Pat<(v16i8 (vneg_conv QPR:$src)), (VNEGs8q QPR:$src)>;
def : Pat<(v8i16 (vneg_conv QPR:$src)), (VNEGs16q QPR:$src)>;
def : Pat<(v4i32 (vneg_conv QPR:$src)), (VNEGs32q QPR:$src)>;

//   VQNEG    : Vector Saturating Negate
defm VQNEG    : N2VInt_QHS<0b11, 0b11, 0b00, 0b01111, 0, "vqneg.s",
                           int_arm_neon_vqneg>;

// Vector Bit Counting Operations.

//   VCLS     : Vector Count Leading Sign Bits
defm VCLS     : N2VInt_QHS<0b11, 0b11, 0b00, 0b01000, 0, "vcls.s",
                           int_arm_neon_vcls>;
//   VCLZ     : Vector Count Leading Zeros
defm VCLZ     : N2VInt_QHS<0b11, 0b11, 0b00, 0b01001, 0, "vclz.i",
                           int_arm_neon_vclz>;
//   VCNT     : Vector Count One Bits
def  VCNTd    : N2VDInt<0b11, 0b11, 0b00, 0b00, 0b01010, 0, "vcnt.8",
                        v8i8, v8i8, int_arm_neon_vcnt>;
def  VCNTq    : N2VQInt<0b11, 0b11, 0b00, 0b00, 0b01010, 0, "vcnt.8",
                        v16i8, v16i8, int_arm_neon_vcnt>;

// Vector Move Operations.

//   VMOV     : Vector Move (Register)

def  VMOVD    : N3V<0, 0, 0b10, 0b0001, 0, 1, (outs DPR:$dst), (ins DPR:$src),
                    NoItinerary, "vmov\t$dst, $src", "", []>;
def  VMOVQ    : N3V<0, 0, 0b10, 0b0001, 1, 1, (outs QPR:$dst), (ins QPR:$src),
                    NoItinerary, "vmov\t$dst, $src", "", []>;

//   VMOV     : Vector Move (Immediate)

// VMOV_get_imm8 xform function: convert build_vector to VMOV.i8 imm.
def VMOV_get_imm8 : SDNodeXForm<build_vector, [{
  return ARM::getVMOVImm(N, 1, *CurDAG);
}]>;
def vmovImm8 : PatLeaf<(build_vector), [{
  return ARM::getVMOVImm(N, 1, *CurDAG).getNode() != 0;
}], VMOV_get_imm8>;

// VMOV_get_imm16 xform function: convert build_vector to VMOV.i16 imm.
def VMOV_get_imm16 : SDNodeXForm<build_vector, [{
  return ARM::getVMOVImm(N, 2, *CurDAG);
}]>;
def vmovImm16 : PatLeaf<(build_vector), [{
  return ARM::getVMOVImm(N, 2, *CurDAG).getNode() != 0;
}], VMOV_get_imm16>;

// VMOV_get_imm32 xform function: convert build_vector to VMOV.i32 imm.
def VMOV_get_imm32 : SDNodeXForm<build_vector, [{
  return ARM::getVMOVImm(N, 4, *CurDAG);
}]>;
def vmovImm32 : PatLeaf<(build_vector), [{
  return ARM::getVMOVImm(N, 4, *CurDAG).getNode() != 0;
}], VMOV_get_imm32>;

// VMOV_get_imm64 xform function: convert build_vector to VMOV.i64 imm.
def VMOV_get_imm64 : SDNodeXForm<build_vector, [{
  return ARM::getVMOVImm(N, 8, *CurDAG);
}]>;
def vmovImm64 : PatLeaf<(build_vector), [{
  return ARM::getVMOVImm(N, 8, *CurDAG).getNode() != 0;
}], VMOV_get_imm64>;

// Note: Some of the cmode bits in the following VMOV instructions need to
// be encoded based on the immed values.

def VMOVv8i8  : N1ModImm<1, 0b000, 0b1110, 0, 0, 0, 1, (outs DPR:$dst),
                         (ins i8imm:$SIMM), NoItinerary,
                         "vmov.i8\t$dst, $SIMM", "",
                         [(set DPR:$dst, (v8i8 vmovImm8:$SIMM))]>;
def VMOVv16i8 : N1ModImm<1, 0b000, 0b1110, 0, 1, 0, 1, (outs QPR:$dst),
                         (ins i8imm:$SIMM), NoItinerary,
                         "vmov.i8\t$dst, $SIMM", "",
                         [(set QPR:$dst, (v16i8 vmovImm8:$SIMM))]>;

def VMOVv4i16 : N1ModImm<1, 0b000, 0b1000, 0, 0, 0, 1, (outs DPR:$dst),
                         (ins i16imm:$SIMM), NoItinerary,
                         "vmov.i16\t$dst, $SIMM", "",
                         [(set DPR:$dst, (v4i16 vmovImm16:$SIMM))]>;
def VMOVv8i16 : N1ModImm<1, 0b000, 0b1000, 0, 1, 0, 1, (outs QPR:$dst),
                         (ins i16imm:$SIMM), NoItinerary,
                         "vmov.i16\t$dst, $SIMM", "",
                         [(set QPR:$dst, (v8i16 vmovImm16:$SIMM))]>;

def VMOVv2i32 : N1ModImm<1, 0b000, 0b0000, 0, 0, 0, 1, (outs DPR:$dst),
                         (ins i32imm:$SIMM), NoItinerary,
                         "vmov.i32\t$dst, $SIMM", "",
                         [(set DPR:$dst, (v2i32 vmovImm32:$SIMM))]>;
def VMOVv4i32 : N1ModImm<1, 0b000, 0b0000, 0, 1, 0, 1, (outs QPR:$dst),
                         (ins i32imm:$SIMM), NoItinerary,
                         "vmov.i32\t$dst, $SIMM", "",
                         [(set QPR:$dst, (v4i32 vmovImm32:$SIMM))]>;

def VMOVv1i64 : N1ModImm<1, 0b000, 0b1110, 0, 0, 1, 1, (outs DPR:$dst),
                         (ins i64imm:$SIMM), NoItinerary,
                         "vmov.i64\t$dst, $SIMM", "",
                         [(set DPR:$dst, (v1i64 vmovImm64:$SIMM))]>;
def VMOVv2i64 : N1ModImm<1, 0b000, 0b1110, 0, 1, 1, 1, (outs QPR:$dst),
                         (ins i64imm:$SIMM), NoItinerary,
                         "vmov.i64\t$dst, $SIMM", "",
                         [(set QPR:$dst, (v2i64 vmovImm64:$SIMM))]>;

//   VMOV     : Vector Get Lane (move scalar to ARM core register)

def VGETLNs8  : NVGetLane<0b11100101, 0b1011, 0b00,
                          (outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
                          NoItinerary, "vmov", ".s8\t$dst, $src[$lane]",
                          [(set GPR:$dst, (NEONvgetlanes (v8i8 DPR:$src),
                                           imm:$lane))]>;
def VGETLNs16 : NVGetLane<0b11100001, 0b1011, 0b01,
                          (outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
                          NoItinerary, "vmov", ".s16\t$dst, $src[$lane]",
                          [(set GPR:$dst, (NEONvgetlanes (v4i16 DPR:$src),
                                           imm:$lane))]>;
def VGETLNu8  : NVGetLane<0b11101101, 0b1011, 0b00,
                          (outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
                          NoItinerary, "vmov", ".u8\t$dst, $src[$lane]",
                          [(set GPR:$dst, (NEONvgetlaneu (v8i8 DPR:$src),
                                           imm:$lane))]>;
def VGETLNu16 : NVGetLane<0b11101001, 0b1011, 0b01,
                          (outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
                          NoItinerary, "vmov", ".u16\t$dst, $src[$lane]",
                          [(set GPR:$dst, (NEONvgetlaneu (v4i16 DPR:$src),
                                           imm:$lane))]>;
def VGETLNi32 : NVGetLane<0b11100001, 0b1011, 0b00,
                          (outs GPR:$dst), (ins DPR:$src, lane_cst:$lane),
                          NoItinerary, "vmov", ".32\t$dst, $src[$lane]",
                          [(set GPR:$dst, (extractelt (v2i32 DPR:$src),
                                           imm:$lane))]>;
// def VGETLNf32: see FMRDH and FMRDL in ARMInstrVFP.td
def : Pat<(NEONvgetlanes (v16i8 QPR:$src), imm:$lane),
          (VGETLNs8 (v8i8 (EXTRACT_SUBREG QPR:$src,
                           (DSubReg_i8_reg imm:$lane))),
                     (SubReg_i8_lane imm:$lane))>;
def : Pat<(NEONvgetlanes (v8i16 QPR:$src), imm:$lane),
          (VGETLNs16 (v4i16 (EXTRACT_SUBREG QPR:$src,
                             (DSubReg_i16_reg imm:$lane))),
                     (SubReg_i16_lane imm:$lane))>;
def : Pat<(NEONvgetlaneu (v16i8 QPR:$src), imm:$lane),
          (VGETLNu8 (v8i8 (EXTRACT_SUBREG QPR:$src,
                           (DSubReg_i8_reg imm:$lane))),
                     (SubReg_i8_lane imm:$lane))>;
def : Pat<(NEONvgetlaneu (v8i16 QPR:$src), imm:$lane),
          (VGETLNu16 (v4i16 (EXTRACT_SUBREG QPR:$src,
                             (DSubReg_i16_reg imm:$lane))),
                     (SubReg_i16_lane imm:$lane))>;
def : Pat<(extractelt (v4i32 QPR:$src), imm:$lane),
          (VGETLNi32 (v2i32 (EXTRACT_SUBREG QPR:$src,
                             (DSubReg_i32_reg imm:$lane))),
                     (SubReg_i32_lane imm:$lane))>;
def : Pat<(extractelt (v4f32 QPR:$src1), imm:$src2),
          (EXTRACT_SUBREG QPR:$src1, (SSubReg_f32_reg imm:$src2))>;
//def : Pat<(extractelt (v2i64 QPR:$src1), imm:$src2),
//          (EXTRACT_SUBREG QPR:$src1, (DSubReg_f64_reg imm:$src2))>;
def : Pat<(extractelt (v2f64 QPR:$src1), imm:$src2),
          (EXTRACT_SUBREG QPR:$src1, (DSubReg_f64_reg imm:$src2))>;


//   VMOV     : Vector Set Lane (move ARM core register to scalar)

let Constraints = "$src1 = $dst" in {
def VSETLNi8  : NVSetLane<0b11100100, 0b1011, 0b00, (outs DPR:$dst),
                          (ins DPR:$src1, GPR:$src2, lane_cst:$lane),
                          NoItinerary, "vmov", ".8\t$dst[$lane], $src2",
                          [(set DPR:$dst, (vector_insert (v8i8 DPR:$src1),
                                           GPR:$src2, imm:$lane))]>;
def VSETLNi16 : NVSetLane<0b11100000, 0b1011, 0b01, (outs DPR:$dst),
                          (ins DPR:$src1, GPR:$src2, lane_cst:$lane),
                          NoItinerary, "vmov", ".16\t$dst[$lane], $src2",
                          [(set DPR:$dst, (vector_insert (v4i16 DPR:$src1),
                                           GPR:$src2, imm:$lane))]>;
def VSETLNi32 : NVSetLane<0b11100000, 0b1011, 0b00, (outs DPR:$dst),
                          (ins DPR:$src1, GPR:$src2, lane_cst:$lane),
                          NoItinerary, "vmov", ".32\t$dst[$lane], $src2",
                          [(set DPR:$dst, (insertelt (v2i32 DPR:$src1),
                                           GPR:$src2, imm:$lane))]>;
}
def : Pat<(vector_insert (v16i8 QPR:$src1), GPR:$src2, imm:$lane),
          (v16i8 (INSERT_SUBREG QPR:$src1, 
                  (VSETLNi8 (v8i8 (EXTRACT_SUBREG QPR:$src1,
                                   (DSubReg_i8_reg imm:$lane))),
                            GPR:$src2, (SubReg_i8_lane imm:$lane)),
                  (DSubReg_i8_reg imm:$lane)))>;
def : Pat<(vector_insert (v8i16 QPR:$src1), GPR:$src2, imm:$lane),
          (v8i16 (INSERT_SUBREG QPR:$src1, 
                  (VSETLNi16 (v4i16 (EXTRACT_SUBREG QPR:$src1,
                                     (DSubReg_i16_reg imm:$lane))),
                             GPR:$src2, (SubReg_i16_lane imm:$lane)),
                  (DSubReg_i16_reg imm:$lane)))>;
def : Pat<(insertelt (v4i32 QPR:$src1), GPR:$src2, imm:$lane),
          (v4i32 (INSERT_SUBREG QPR:$src1, 
                  (VSETLNi32 (v2i32 (EXTRACT_SUBREG QPR:$src1,
                                     (DSubReg_i32_reg imm:$lane))),
                             GPR:$src2, (SubReg_i32_lane imm:$lane)),
                  (DSubReg_i32_reg imm:$lane)))>;

def : Pat<(v4f32 (insertelt QPR:$src1, SPR:$src2, imm:$src3)),
          (INSERT_SUBREG QPR:$src1, SPR:$src2, (SSubReg_f32_reg imm:$src3))>;

//def : Pat<(v2i64 (insertelt QPR:$src1, DPR:$src2, imm:$src3)),
//          (INSERT_SUBREG QPR:$src1, DPR:$src2, (DSubReg_f64_reg imm:$src3))>;
def : Pat<(v2f64 (insertelt QPR:$src1, DPR:$src2, imm:$src3)),
          (INSERT_SUBREG QPR:$src1, DPR:$src2, (DSubReg_f64_reg imm:$src3))>;

//   VDUP     : Vector Duplicate (from ARM core register to all elements)

def splat_lo : PatFrag<(ops node:$lhs, node:$rhs),
                       (vector_shuffle node:$lhs, node:$rhs), [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return SVOp->isSplat() && SVOp->getSplatIndex() == 0;
}]>;

class VDUPD<bits<8> opcod1, bits<2> opcod3, string asmSize, ValueType Ty>
  : NVDup<opcod1, 0b1011, opcod3, (outs DPR:$dst), (ins GPR:$src),
          NoItinerary, "vdup", !strconcat(asmSize, "\t$dst, $src"),
          [(set DPR:$dst, (Ty (splat_lo (scalar_to_vector GPR:$src), undef)))]>;
class VDUPQ<bits<8> opcod1, bits<2> opcod3, string asmSize, ValueType Ty>
  : NVDup<opcod1, 0b1011, opcod3, (outs QPR:$dst), (ins GPR:$src),
          NoItinerary, "vdup", !strconcat(asmSize, "\t$dst, $src"),
          [(set QPR:$dst, (Ty (splat_lo (scalar_to_vector GPR:$src), undef)))]>;

def  VDUP8d   : VDUPD<0b11101100, 0b00, ".8", v8i8>;
def  VDUP16d  : VDUPD<0b11101000, 0b01, ".16", v4i16>;
def  VDUP32d  : VDUPD<0b11101000, 0b00, ".32", v2i32>;
def  VDUP8q   : VDUPQ<0b11101110, 0b00, ".8", v16i8>;
def  VDUP16q  : VDUPQ<0b11101010, 0b01, ".16", v8i16>;
def  VDUP32q  : VDUPQ<0b11101010, 0b00, ".32", v4i32>;

def  VDUPfd   : NVDup<0b11101000, 0b1011, 0b00, (outs DPR:$dst), (ins GPR:$src),
                      NoItinerary, "vdup", ".32\t$dst, $src",
                      [(set DPR:$dst, (v2f32 (splat_lo
                                              (scalar_to_vector
                                               (f32 (bitconvert GPR:$src))),
                                              undef)))]>;
def  VDUPfq   : NVDup<0b11101010, 0b1011, 0b00, (outs QPR:$dst), (ins GPR:$src),
                      NoItinerary, "vdup", ".32\t$dst, $src",
                      [(set QPR:$dst, (v4f32 (splat_lo
                                              (scalar_to_vector
                                               (f32 (bitconvert GPR:$src))),
                                              undef)))]>;

//   VDUP     : Vector Duplicate Lane (from scalar to all elements)

def SHUFFLE_get_splat_lane : SDNodeXForm<vector_shuffle, [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return CurDAG->getTargetConstant(SVOp->getSplatIndex(), MVT::i32);
}]>;

def splat_lane : PatFrag<(ops node:$lhs, node:$rhs),
                         (vector_shuffle node:$lhs, node:$rhs), [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return SVOp->isSplat();
}], SHUFFLE_get_splat_lane>;

class VDUPLND<bits<2> op19_18, bits<2> op17_16, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, op17_16, 0b11000, 0, 0,
        (outs DPR:$dst), (ins DPR:$src, lane_cst:$lane), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src[$lane]"), "",
        [(set DPR:$dst, (Ty (splat_lane:$lane DPR:$src, undef)))]>;

// vector_shuffle requires that the source and destination types match, so
// VDUP to a 128-bit result uses a target-specific VDUPLANEQ node.
class VDUPLNQ<bits<2> op19_18, bits<2> op17_16, string OpcodeStr,
              ValueType ResTy, ValueType OpTy>
  : N2V<0b11, 0b11, op19_18, op17_16, 0b11000, 1, 0,
        (outs QPR:$dst), (ins DPR:$src, lane_cst:$lane), NoItinerary,
        !strconcat(OpcodeStr, "\t$dst, $src[$lane]"), "",
        [(set QPR:$dst, (ResTy (NEONvduplaneq (OpTy DPR:$src), imm:$lane)))]>;

def VDUPLN8d  : VDUPLND<0b00, 0b01, "vdup.8", v8i8>;
def VDUPLN16d : VDUPLND<0b00, 0b10, "vdup.16", v4i16>;
def VDUPLN32d : VDUPLND<0b01, 0b00, "vdup.32", v2i32>;
def VDUPLNfd  : VDUPLND<0b01, 0b00, "vdup.32", v2f32>;
def VDUPLN8q  : VDUPLNQ<0b00, 0b01, "vdup.8", v16i8, v8i8>;
def VDUPLN16q : VDUPLNQ<0b00, 0b10, "vdup.16", v8i16, v4i16>;
def VDUPLN32q : VDUPLNQ<0b01, 0b00, "vdup.32", v4i32, v2i32>;
def VDUPLNfq  : VDUPLNQ<0b01, 0b00, "vdup.32", v4f32, v2f32>;

def VDUPfdf   : N2V<0b11, 0b11, 0b01, 0b00, 0b11000, 0, 0,
                    (outs DPR:$dst), (ins SPR:$src),
                    NoItinerary, "vdup.32\t$dst, ${src:lane}", "",
                    [(set DPR:$dst, (v2f32 (splat_lo
                                            (scalar_to_vector SPR:$src),
                                            undef)))]>;

def VDUPfqf   : N2V<0b11, 0b11, 0b01, 0b00, 0b11000, 1, 0,
                    (outs QPR:$dst), (ins SPR:$src),
                    NoItinerary, "vdup.32\t$dst, ${src:lane}", "",
                    [(set QPR:$dst, (v4f32 (splat_lo
                                            (scalar_to_vector SPR:$src),
                                            undef)))]>;

//   VMOVN    : Vector Narrowing Move
defm VMOVN    : N2VNInt_HSD<0b11,0b11,0b10,0b00100,0,0, "vmovn.i",
                            int_arm_neon_vmovn>;
//   VQMOVN   : Vector Saturating Narrowing Move
defm VQMOVNs  : N2VNInt_HSD<0b11,0b11,0b10,0b00101,0,0, "vqmovn.s",
                            int_arm_neon_vqmovns>;
defm VQMOVNu  : N2VNInt_HSD<0b11,0b11,0b10,0b00101,1,0, "vqmovn.u",
                            int_arm_neon_vqmovnu>;
defm VQMOVNsu : N2VNInt_HSD<0b11,0b11,0b10,0b00100,1,0, "vqmovun.s",
                            int_arm_neon_vqmovnsu>;
//   VMOVL    : Vector Lengthening Move
defm VMOVLs   : N2VLInt_QHS<0,1,0b1010,0,0,1, "vmovl.s", int_arm_neon_vmovls>;
defm VMOVLu   : N2VLInt_QHS<1,1,0b1010,0,0,1, "vmovl.u", int_arm_neon_vmovlu>;

// Vector Conversions.

//   VCVT     : Vector Convert Between Floating-Point and Integers
def  VCVTf2sd : N2VD<0b11, 0b11, 0b10, 0b11, 0b01110, 0, "vcvt.s32.f32",
                     v2i32, v2f32, fp_to_sint>;
def  VCVTf2ud : N2VD<0b11, 0b11, 0b10, 0b11, 0b01111, 0, "vcvt.u32.f32",
                     v2i32, v2f32, fp_to_uint>;
def  VCVTs2fd : N2VD<0b11, 0b11, 0b10, 0b11, 0b01100, 0, "vcvt.f32.s32",
                     v2f32, v2i32, sint_to_fp>;
def  VCVTu2fd : N2VD<0b11, 0b11, 0b10, 0b11, 0b01101, 0, "vcvt.f32.u32",
                     v2f32, v2i32, uint_to_fp>;

def  VCVTf2sq : N2VQ<0b11, 0b11, 0b10, 0b11, 0b01110, 0, "vcvt.s32.f32",
                     v4i32, v4f32, fp_to_sint>;
def  VCVTf2uq : N2VQ<0b11, 0b11, 0b10, 0b11, 0b01111, 0, "vcvt.u32.f32",
                     v4i32, v4f32, fp_to_uint>;
def  VCVTs2fq : N2VQ<0b11, 0b11, 0b10, 0b11, 0b01100, 0, "vcvt.f32.s32",
                     v4f32, v4i32, sint_to_fp>;
def  VCVTu2fq : N2VQ<0b11, 0b11, 0b10, 0b11, 0b01101, 0, "vcvt.f32.u32",
                     v4f32, v4i32, uint_to_fp>;

//   VCVT     : Vector Convert Between Floating-Point and Fixed-Point.
// Note: Some of the opcode bits in the following VCVT instructions need to
// be encoded based on the immed values.
def VCVTf2xsd : N2VCvtD<0, 1, 0b000000, 0b1111, 0, 1, "vcvt.s32.f32",
                        v2i32, v2f32, int_arm_neon_vcvtfp2fxs>;
def VCVTf2xud : N2VCvtD<1, 1, 0b000000, 0b1111, 0, 1, "vcvt.u32.f32",
                        v2i32, v2f32, int_arm_neon_vcvtfp2fxu>;
def VCVTxs2fd : N2VCvtD<0, 1, 0b000000, 0b1110, 0, 1, "vcvt.f32.s32",
                        v2f32, v2i32, int_arm_neon_vcvtfxs2fp>;
def VCVTxu2fd : N2VCvtD<1, 1, 0b000000, 0b1110, 0, 1, "vcvt.f32.u32",
                        v2f32, v2i32, int_arm_neon_vcvtfxu2fp>;

def VCVTf2xsq : N2VCvtQ<0, 1, 0b000000, 0b1111, 0, 1, "vcvt.s32.f32",
                        v4i32, v4f32, int_arm_neon_vcvtfp2fxs>;
def VCVTf2xuq : N2VCvtQ<1, 1, 0b000000, 0b1111, 0, 1, "vcvt.u32.f32",
                        v4i32, v4f32, int_arm_neon_vcvtfp2fxu>;
def VCVTxs2fq : N2VCvtQ<0, 1, 0b000000, 0b1110, 0, 1, "vcvt.f32.s32",
                        v4f32, v4i32, int_arm_neon_vcvtfxs2fp>;
def VCVTxu2fq : N2VCvtQ<1, 1, 0b000000, 0b1110, 0, 1, "vcvt.f32.u32",
                        v4f32, v4i32, int_arm_neon_vcvtfxu2fp>;

//   VREV     : Vector Reverse

def vrev64_shuffle : PatFrag<(ops node:$in),
                             (vector_shuffle node:$in, undef), [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return ARM::isVREVMask(SVOp, 64);
}]>;

def vrev32_shuffle : PatFrag<(ops node:$in),
                             (vector_shuffle node:$in, undef), [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return ARM::isVREVMask(SVOp, 32);
}]>;

def vrev16_shuffle : PatFrag<(ops node:$in),
                             (vector_shuffle node:$in, undef), [{
  ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
  return ARM::isVREVMask(SVOp, 16);
}]>;

//   VREV64   : Vector Reverse elements within 64-bit doublewords

class VREV64D<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00000, 0, 0, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (Ty (vrev64_shuffle (Ty DPR:$src))))]>;
class VREV64Q<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00000, 1, 0, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (Ty (vrev64_shuffle (Ty QPR:$src))))]>;

def VREV64d8  : VREV64D<0b00, "vrev64.8", v8i8>;
def VREV64d16 : VREV64D<0b01, "vrev64.16", v4i16>;
def VREV64d32 : VREV64D<0b10, "vrev64.32", v2i32>;
def VREV64df  : VREV64D<0b10, "vrev64.32", v2f32>;

def VREV64q8  : VREV64Q<0b00, "vrev64.8", v16i8>;
def VREV64q16 : VREV64Q<0b01, "vrev64.16", v8i16>;
def VREV64q32 : VREV64Q<0b10, "vrev64.32", v4i32>;
def VREV64qf  : VREV64Q<0b10, "vrev64.32", v4f32>;

//   VREV32   : Vector Reverse elements within 32-bit words

class VREV32D<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00001, 0, 0, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (Ty (vrev32_shuffle (Ty DPR:$src))))]>;
class VREV32Q<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00001, 1, 0, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (Ty (vrev32_shuffle (Ty QPR:$src))))]>;

def VREV32d8  : VREV32D<0b00, "vrev32.8", v8i8>;
def VREV32d16 : VREV32D<0b01, "vrev32.16", v4i16>;

def VREV32q8  : VREV32Q<0b00, "vrev32.8", v16i8>;
def VREV32q16 : VREV32Q<0b01, "vrev32.16", v8i16>;

//   VREV16   : Vector Reverse elements within 16-bit halfwords

class VREV16D<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00010, 0, 0, (outs DPR:$dst),
        (ins DPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set DPR:$dst, (Ty (vrev16_shuffle (Ty DPR:$src))))]>;
class VREV16Q<bits<2> op19_18, string OpcodeStr, ValueType Ty>
  : N2V<0b11, 0b11, op19_18, 0b00, 0b00010, 1, 0, (outs QPR:$dst),
        (ins QPR:$src), NoItinerary, 
        !strconcat(OpcodeStr, "\t$dst, $src"), "",
        [(set QPR:$dst, (Ty (vrev16_shuffle (Ty QPR:$src))))]>;

def VREV16d8  : VREV16D<0b00, "vrev16.8", v8i8>;
def VREV16q8  : VREV16Q<0b00, "vrev16.8", v16i8>;

//   VTRN     : Vector Transpose

def  VTRNd8   : N2VDShuffle<0b00, 0b00001, "vtrn.8">;
def  VTRNd16  : N2VDShuffle<0b01, 0b00001, "vtrn.16">;
def  VTRNd32  : N2VDShuffle<0b10, 0b00001, "vtrn.32">;

def  VTRNq8   : N2VQShuffle<0b00, 0b00001, "vtrn.8">;
def  VTRNq16  : N2VQShuffle<0b01, 0b00001, "vtrn.16">;
def  VTRNq32  : N2VQShuffle<0b10, 0b00001, "vtrn.32">;

//   VUZP     : Vector Unzip (Deinterleave)

def  VUZPd8   : N2VDShuffle<0b00, 0b00010, "vuzp.8">;
def  VUZPd16  : N2VDShuffle<0b01, 0b00010, "vuzp.16">;
def  VUZPd32  : N2VDShuffle<0b10, 0b00010, "vuzp.32">;

def  VUZPq8   : N2VQShuffle<0b00, 0b00010, "vuzp.8">;
def  VUZPq16  : N2VQShuffle<0b01, 0b00010, "vuzp.16">;
def  VUZPq32  : N2VQShuffle<0b10, 0b00010, "vuzp.32">;

//   VZIP     : Vector Zip (Interleave)

def  VZIPd8   : N2VDShuffle<0b00, 0b00011, "vzip.8">;
def  VZIPd16  : N2VDShuffle<0b01, 0b00011, "vzip.16">;
def  VZIPd32  : N2VDShuffle<0b10, 0b00011, "vzip.32">;

def  VZIPq8   : N2VQShuffle<0b00, 0b00011, "vzip.8">;
def  VZIPq16  : N2VQShuffle<0b01, 0b00011, "vzip.16">;
def  VZIPq32  : N2VQShuffle<0b10, 0b00011, "vzip.32">;

//===----------------------------------------------------------------------===//
// NEON instructions for single-precision FP math
//===----------------------------------------------------------------------===//

// These need separate instructions because they must use DPR_VFP2 register
// class which have SPR sub-registers.

// Vector Add Operations used for single-precision FP
let neverHasSideEffects = 1 in
def VADDfd_sfp : N3VDs<0, 0, 0b00, 0b1101, 0, "vadd.f32", v2f32, v2f32, fadd,1>;
def : N3VDsPat<fadd, VADDfd_sfp>;

// Vector Sub Operations used for single-precision FP
let neverHasSideEffects = 1 in
def VSUBfd_sfp : N3VDs<0, 0, 0b10, 0b1101, 0, "vsub.f32", v2f32, v2f32, fsub,0>;
def : N3VDsPat<fsub, VSUBfd_sfp>;

// Vector Multiply Operations used for single-precision FP
let neverHasSideEffects = 1 in
def VMULfd_sfp : N3VDs<1, 0, 0b00, 0b1101, 1, "vmul.f32", v2f32, v2f32, fmul,1>;
def : N3VDsPat<fmul, VMULfd_sfp>;

// Vector Multiply-Accumulate/Subtract used for single-precision FP
let neverHasSideEffects = 1 in
def VMLAfd_sfp : N3VDMulOps<0, 0, 0b00, 0b1101, 1, "vmla.f32", v2f32,fmul,fadd>;
def : N3VDMulOpsPat<fmul, fadd, VMLAfd_sfp>;

let neverHasSideEffects = 1 in
def VMLSfd_sfp : N3VDMulOps<0, 0, 0b10, 0b1101, 1, "vmls.f32", v2f32,fmul,fsub>;
def : N3VDMulOpsPat<fmul, fsub, VMLSfd_sfp>;

// Vector Absolute used for single-precision FP
let neverHasSideEffects = 1 in
def  VABSfd_sfp : N2VDInts<0b11, 0b11, 0b10, 0b01, 0b01110, 0, "vabs.f32",
                           v2f32, v2f32, int_arm_neon_vabs>;
def : N2VDIntsPat<fabs, VABSfd_sfp>;

// Vector Negate used for single-precision FP
let neverHasSideEffects = 1 in
def  VNEGf32d_sfp : N2V<0b11, 0b11, 0b10, 0b01, 0b01111, 0, 0,
                        (outs DPR_VFP2:$dst), (ins DPR_VFP2:$src), NoItinerary,
                        "vneg.f32\t$dst, $src", "", []>;
def : N2VDIntsPat<fneg, VNEGf32d_sfp>;

// Vector Convert between single-precision FP and integer
let neverHasSideEffects = 1 in
def  VCVTf2sd_sfp : N2VDs<0b11, 0b11, 0b10, 0b11, 0b01110, 0, "vcvt.s32.f32",
                          v2i32, v2f32, fp_to_sint>;
def : N2VDsPat<arm_ftosi, f32, v2f32, VCVTf2sd_sfp>;

let neverHasSideEffects = 1 in
def  VCVTf2ud_sfp : N2VDs<0b11, 0b11, 0b10, 0b11, 0b01111, 0, "vcvt.u32.f32",
                          v2i32, v2f32, fp_to_uint>;
def : N2VDsPat<arm_ftoui, f32, v2f32, VCVTf2ud_sfp>;

let neverHasSideEffects = 1 in
def  VCVTs2fd_sfp : N2VDs<0b11, 0b11, 0b10, 0b11, 0b01100, 0, "vcvt.f32.s32",
                          v2f32, v2i32, sint_to_fp>;
def : N2VDsPat<arm_sitof, f32, v2i32, VCVTs2fd_sfp>;

let neverHasSideEffects = 1 in
def  VCVTu2fd_sfp : N2VDs<0b11, 0b11, 0b10, 0b11, 0b01101, 0, "vcvt.f32.u32",
                          v2f32, v2i32, uint_to_fp>;
def : N2VDsPat<arm_uitof, f32, v2i32, VCVTu2fd_sfp>;

//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//===----------------------------------------------------------------------===//

// bit_convert
def : Pat<(v1i64 (bitconvert (v2i32 DPR:$src))), (v1i64 DPR:$src)>;
def : Pat<(v1i64 (bitconvert (v4i16 DPR:$src))), (v1i64 DPR:$src)>;
def : Pat<(v1i64 (bitconvert (v8i8  DPR:$src))), (v1i64 DPR:$src)>;
def : Pat<(v1i64 (bitconvert (f64   DPR:$src))), (v1i64 DPR:$src)>;
def : Pat<(v1i64 (bitconvert (v2f32 DPR:$src))), (v1i64 DPR:$src)>;
def : Pat<(v2i32 (bitconvert (v1i64 DPR:$src))), (v2i32 DPR:$src)>;
def : Pat<(v2i32 (bitconvert (v4i16 DPR:$src))), (v2i32 DPR:$src)>;
def : Pat<(v2i32 (bitconvert (v8i8  DPR:$src))), (v2i32 DPR:$src)>;
def : Pat<(v2i32 (bitconvert (f64   DPR:$src))), (v2i32 DPR:$src)>;
def : Pat<(v2i32 (bitconvert (v2f32 DPR:$src))), (v2i32 DPR:$src)>;
def : Pat<(v4i16 (bitconvert (v1i64 DPR:$src))), (v4i16 DPR:$src)>;
def : Pat<(v4i16 (bitconvert (v2i32 DPR:$src))), (v4i16 DPR:$src)>;
def : Pat<(v4i16 (bitconvert (v8i8  DPR:$src))), (v4i16 DPR:$src)>;
def : Pat<(v4i16 (bitconvert (f64   DPR:$src))), (v4i16 DPR:$src)>;
def : Pat<(v4i16 (bitconvert (v2f32 DPR:$src))), (v4i16 DPR:$src)>;
def : Pat<(v8i8  (bitconvert (v1i64 DPR:$src))), (v8i8  DPR:$src)>;
def : Pat<(v8i8  (bitconvert (v2i32 DPR:$src))), (v8i8  DPR:$src)>;
def : Pat<(v8i8  (bitconvert (v4i16 DPR:$src))), (v8i8  DPR:$src)>;
def : Pat<(v8i8  (bitconvert (f64   DPR:$src))), (v8i8  DPR:$src)>;
def : Pat<(v8i8  (bitconvert (v2f32 DPR:$src))), (v8i8  DPR:$src)>;
def : Pat<(f64   (bitconvert (v1i64 DPR:$src))), (f64   DPR:$src)>;
def : Pat<(f64   (bitconvert (v2i32 DPR:$src))), (f64   DPR:$src)>;
def : Pat<(f64   (bitconvert (v4i16 DPR:$src))), (f64   DPR:$src)>;
def : Pat<(f64   (bitconvert (v8i8  DPR:$src))), (f64   DPR:$src)>;
def : Pat<(f64   (bitconvert (v2f32 DPR:$src))), (f64   DPR:$src)>;
def : Pat<(v2f32 (bitconvert (f64   DPR:$src))), (v2f32 DPR:$src)>;
def : Pat<(v2f32 (bitconvert (v1i64 DPR:$src))), (v2f32 DPR:$src)>;
def : Pat<(v2f32 (bitconvert (v2i32 DPR:$src))), (v2f32 DPR:$src)>;
def : Pat<(v2f32 (bitconvert (v4i16 DPR:$src))), (v2f32 DPR:$src)>;
def : Pat<(v2f32 (bitconvert (v8i8  DPR:$src))), (v2f32 DPR:$src)>;

def : Pat<(v2i64 (bitconvert (v4i32 QPR:$src))), (v2i64 QPR:$src)>;
def : Pat<(v2i64 (bitconvert (v8i16 QPR:$src))), (v2i64 QPR:$src)>;
def : Pat<(v2i64 (bitconvert (v16i8 QPR:$src))), (v2i64 QPR:$src)>;
def : Pat<(v2i64 (bitconvert (v2f64 QPR:$src))), (v2i64 QPR:$src)>;
def : Pat<(v2i64 (bitconvert (v4f32 QPR:$src))), (v2i64 QPR:$src)>;
def : Pat<(v4i32 (bitconvert (v2i64 QPR:$src))), (v4i32 QPR:$src)>;
def : Pat<(v4i32 (bitconvert (v8i16 QPR:$src))), (v4i32 QPR:$src)>;
def : Pat<(v4i32 (bitconvert (v16i8 QPR:$src))), (v4i32 QPR:$src)>;
def : Pat<(v4i32 (bitconvert (v2f64 QPR:$src))), (v4i32 QPR:$src)>;
def : Pat<(v4i32 (bitconvert (v4f32 QPR:$src))), (v4i32 QPR:$src)>;
def : Pat<(v8i16 (bitconvert (v2i64 QPR:$src))), (v8i16 QPR:$src)>;
def : Pat<(v8i16 (bitconvert (v4i32 QPR:$src))), (v8i16 QPR:$src)>;
def : Pat<(v8i16 (bitconvert (v16i8 QPR:$src))), (v8i16 QPR:$src)>;
def : Pat<(v8i16 (bitconvert (v2f64 QPR:$src))), (v8i16 QPR:$src)>;
def : Pat<(v8i16 (bitconvert (v4f32 QPR:$src))), (v8i16 QPR:$src)>;
def : Pat<(v16i8 (bitconvert (v2i64 QPR:$src))), (v16i8 QPR:$src)>;
def : Pat<(v16i8 (bitconvert (v4i32 QPR:$src))), (v16i8 QPR:$src)>;
def : Pat<(v16i8 (bitconvert (v8i16 QPR:$src))), (v16i8 QPR:$src)>;
def : Pat<(v16i8 (bitconvert (v2f64 QPR:$src))), (v16i8 QPR:$src)>;
def : Pat<(v16i8 (bitconvert (v4f32 QPR:$src))), (v16i8 QPR:$src)>;
def : Pat<(v4f32 (bitconvert (v2i64 QPR:$src))), (v4f32 QPR:$src)>;
def : Pat<(v4f32 (bitconvert (v4i32 QPR:$src))), (v4f32 QPR:$src)>;
def : Pat<(v4f32 (bitconvert (v8i16 QPR:$src))), (v4f32 QPR:$src)>;
def : Pat<(v4f32 (bitconvert (v16i8 QPR:$src))), (v4f32 QPR:$src)>;
def : Pat<(v4f32 (bitconvert (v2f64 QPR:$src))), (v4f32 QPR:$src)>;
def : Pat<(v2f64 (bitconvert (v2i64 QPR:$src))), (v2f64 QPR:$src)>;
def : Pat<(v2f64 (bitconvert (v4i32 QPR:$src))), (v2f64 QPR:$src)>;
def : Pat<(v2f64 (bitconvert (v8i16 QPR:$src))), (v2f64 QPR:$src)>;
def : Pat<(v2f64 (bitconvert (v16i8 QPR:$src))), (v2f64 QPR:$src)>;
def : Pat<(v2f64 (bitconvert (v4f32 QPR:$src))), (v2f64 QPR:$src)>;