1 // RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s
2 // RUN: llvm-mc -triple arm64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s
4 // Check that the assembler can handle the documented syntax for AArch64
7 //------------------------------------------------------------------------------
8 // Vector Integer Halving Add (Signed)
9 //------------------------------------------------------------------------------
10 shadd v0.8b, v1.8b, v2.8b
11 shadd v0.16b, v1.16b, v2.16b
12 shadd v0.4h, v1.4h, v2.4h
13 shadd v0.8h, v1.8h, v2.8h
14 shadd v0.2s, v1.2s, v2.2s
15 shadd v0.4s, v1.4s, v2.4s
17 // CHECK: shadd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x04,0x22,0x0e]
18 // CHECK: shadd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x04,0x22,0x4e]
19 // CHECK: shadd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x04,0x62,0x0e]
20 // CHECK: shadd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x04,0x62,0x4e]
21 // CHECK: shadd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x04,0xa2,0x0e]
22 // CHECK: shadd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x04,0xa2,0x4e]
25 //------------------------------------------------------------------------------
26 // Vector Integer Halving Add (Unsigned)
27 //------------------------------------------------------------------------------
28 uhadd v0.8b, v1.8b, v2.8b
29 uhadd v0.16b, v1.16b, v2.16b
30 uhadd v0.4h, v1.4h, v2.4h
31 uhadd v0.8h, v1.8h, v2.8h
32 uhadd v0.2s, v1.2s, v2.2s
33 uhadd v0.4s, v1.4s, v2.4s
35 // CHECK: uhadd v0.8b, v1.8b, v2.8b // encoding: [0x20,0x04,0x22,0x2e]
36 // CHECK: uhadd v0.16b, v1.16b, v2.16b // encoding: [0x20,0x04,0x22,0x6e]
37 // CHECK: uhadd v0.4h, v1.4h, v2.4h // encoding: [0x20,0x04,0x62,0x2e]
38 // CHECK: uhadd v0.8h, v1.8h, v2.8h // encoding: [0x20,0x04,0x62,0x6e]
39 // CHECK: uhadd v0.2s, v1.2s, v2.2s // encoding: [0x20,0x04,0xa2,0x2e]
40 // CHECK: uhadd v0.4s, v1.4s, v2.4s // encoding: [0x20,0x04,0xa2,0x6e]
42 //------------------------------------------------------------------------------
43 // Vector Integer Halving Sub (Signed)
44 //------------------------------------------------------------------------------
45 shsub v0.8b, v1.8b, v2.8b
46 shsub v0.16b, v1.16b, v2.16b
47 shsub v0.4h, v1.4h, v2.4h
48 shsub v0.8h, v1.8h, v2.8h
49 shsub v0.2s, v1.2s, v2.2s
50 shsub v0.4s, v1.4s, v2.4s
52 // CHECK: shsub v0.8b, v1.8b, v2.8b // encoding: [0x20,0x24,0x22,0x0e]
53 // CHECK: shsub v0.16b, v1.16b, v2.16b // encoding: [0x20,0x24,0x22,0x4e]
54 // CHECK: shsub v0.4h, v1.4h, v2.4h // encoding: [0x20,0x24,0x62,0x0e]
55 // CHECK: shsub v0.8h, v1.8h, v2.8h // encoding: [0x20,0x24,0x62,0x4e]
56 // CHECK: shsub v0.2s, v1.2s, v2.2s // encoding: [0x20,0x24,0xa2,0x0e]
57 // CHECK: shsub v0.4s, v1.4s, v2.4s // encoding: [0x20,0x24,0xa2,0x4e]
59 //------------------------------------------------------------------------------
60 // Vector Integer Halving Sub (Unsigned)
61 //------------------------------------------------------------------------------
62 uhsub v0.8b, v1.8b, v2.8b
63 uhsub v0.16b, v1.16b, v2.16b
64 uhsub v0.4h, v1.4h, v2.4h
65 uhsub v0.8h, v1.8h, v2.8h
66 uhsub v0.2s, v1.2s, v2.2s
67 uhsub v0.4s, v1.4s, v2.4s
69 // CHECK: uhsub v0.8b, v1.8b, v2.8b // encoding: [0x20,0x24,0x22,0x2e]
70 // CHECK: uhsub v0.16b, v1.16b, v2.16b // encoding: [0x20,0x24,0x22,0x6e]
71 // CHECK: uhsub v0.4h, v1.4h, v2.4h // encoding: [0x20,0x24,0x62,0x2e]
72 // CHECK: uhsub v0.8h, v1.8h, v2.8h // encoding: [0x20,0x24,0x62,0x6e]
73 // CHECK: uhsub v0.2s, v1.2s, v2.2s // encoding: [0x20,0x24,0xa2,0x2e]
74 // CHECK: uhsub v0.4s, v1.4s, v2.4s // encoding: [0x20,0x24,0xa2,0x6e]