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
| // RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sve < %s \
// RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-ERROR
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
// RUN: | llvm-objdump -d -mattr=+sve - | FileCheck %s --check-prefix=CHECK-INST
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sve < %s \
// RUN: | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
// This test file is mostly empty because most 'movprfx' tests are embedded
// with other instructions that are destructive and can be prefixed
// by the movprfx instruction. A list of destructive instructions
// is given below by their mnemonic, which have tests in corresponding
// <mnemonic>.s test files:
//
// abs decp fdivr fnmla fsubr mov sdivr sqincw umulh
// add eon fmad fnmls ftmad msb sdot sqsub uqadd
// and eor fmax fnmsb incd mul smax sub uqdecd
// asr ext fmaxnm frecpx inch neg smin subr uqdech
// asrd fabd fmin frinta incp not smulh sxtb uqdecp
// asrr fabs fminnm frinti incw orn splice sxth uqdecw
// bic fadd fmla frintm insr orr sqadd sxtw uqincd
// clasta fcadd fmls frintn lsl rbit sqdecd uabd uqinch
// clastb fcmla fmov frintp lslr revb sqdech ucvtf uqincp
// cls fcpy fmsb frintx lsr revh sqdecp udiv uqincw
// clz fcvt fmul frintz lsrr revw sqdecw udivr uqsub
// cnot fcvtzs fmulx fscale mad sabd sqincd udot uxtb
// cnt fcvtzu fneg fsqrt mla scvtf sqinch umax uxth
// cpy fdiv fnmad fsub mls sdiv sqincp umin uxtw
// ------------------------------------------------------------------------- //
// Test compatibility with MOVPRFX instruction with BRK and HLT.
//
// Section 7.1.2 of the SVE Architecture Reference Manual Supplement:
// "it is permitted to use MOVPRFX to prefix an A64 BRK or HLT instruction"
movprfx z0, z1
// CHECK-INST: movprfx z0, z1
// CHECK-ENCODING: [0x20,0xbc,0x20,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 bc 20 04 <unknown>
hlt #1
// CHECK-INST: hlt #0x1
// CHECK-ENCODING: [0x20,0x00,0x40,0xd4]
movprfx z0.d, p0/z, z1.d
// CHECK-INST: movprfx z0.d, p0/z, z1.d
// CHECK-ENCODING: [0x20,0x20,0xd0,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 20 d0 04 <unknown>
hlt #1
// CHECK-INST: hlt #0x1
// CHECK-ENCODING: [0x20,0x00,0x40,0xd4]
movprfx z0, z1
// CHECK-INST: movprfx z0, z1
// CHECK-ENCODING: [0x20,0xbc,0x20,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 bc 20 04 <unknown>
brk #1
// CHECK-INST: brk #0x1
// CHECK-ENCODING: [0x20,0x00,0x20,0xd4]
movprfx z0.d, p0/z, z1.d
// CHECK-INST: movprfx z0.d, p0/z, z1.d
// CHECK-ENCODING: [0x20,0x20,0xd0,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 20 d0 04 <unknown>
brk #1
// CHECK-INST: brk #0x1
// CHECK-ENCODING: [0x20,0x00,0x20,0xd4]
// ------------------------------------------------------------------------- //
// Ensure we don't try to apply a prefix to subsequent instructions (upon success)
movprfx z0, z1
// CHECK-INST: movprfx z0, z1
// CHECK-ENCODING: [0x20,0xbc,0x20,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 bc 20 04 <unknown>
add z0.d, p0/m, z0.d, z1.d
// CHECK-INST: add z0.d, p0/m, z0.d, z1.d
// CHECK-ENCODING: [0x20,0x00,0xc0,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 00 c0 04 <unknown>
add z0.d, p0/m, z0.d, z1.d
// CHECK-INST: add z0.d, p0/m, z0.d, z1.d
// CHECK-ENCODING: [0x20,0x00,0xc0,0x04]
// CHECK-ERROR: instruction requires: sve
// CHECK-UNKNOWN: 20 00 c0 04 <unknown>
|