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
|
@ RUN: not llvm-mc -triple thumbv7-eabi -filetype asm -o - %s 2>&1 \
@ RUN: | FileCheck %s
@ RUN: not llvm-mc -triple thumbv7a-eabi -filetype asm -o - %s 2>&1 \
@ RUN: | FileCheck --check-prefix=CHECK --check-prefix=CHECK-V7A %s
@ RUN: not llvm-mc -triple thumbv7m-eabi -filetype asm -o - %s 2>&1 \
@ RUN: | FileCheck --check-prefix=CHECK --check-prefix=CHECK-V7M %s
.syntax unified
.thumb
.global ldm
.type ldm,%function
ldm:
ldm r0!, {r1, sp}
@ CHECK: error: SP may not be in the register list
@ CHECK: ldm r0!, {r1, sp}
@ CHECK: ^
ldm r0!, {lr, pc}
@ CHECK: error: PC and LR may not be in the register list simultaneously
@ CHECK: ldm r0!, {lr, pc}
@ CHECK: ^
itt eq
ldmeq r0!, {r1, pc}
ldmeq r0!, {r2, lr}
@ CHECK: error: instruction must be outside of IT block or the last instruction in an IT block
@ CHECK: ldmeq r0!, {r1, pc}
@ CHECK: ^
.global ldmdb
.type ldmdb,%function
ldmdb:
ldmdb r0!, {r1, sp}
@ CHECK: error: SP may not be in the register list
ldmdb r0!, {lr, pc}
@ error: PC and LR may not be in the register list simultaneously
itt eq
ldmeq r0!, {r1, pc}
ldmeq r0!, {r2, lr}
@ CHECK: error: instruction must be outside of IT block or the last instruction in an IT block
@ CHECK: ldmeq r0!, {r1, pc}
@ CHECK: ^
.global stm
.type stm,%function
stm:
stm r0!, {r1, sp}
@ CHECK: error: SP may not be in the register list
stm r0!, {r2, pc}
@ CHECK: error: PC may not be in the register list
stm r0!, {sp, pc}
@ CHECK: error: SP and PC may not be in the register list
.global stmdb
.type stmdb,%function
stmdb:
stmdb r0!, {r1, sp}
@ CHECK: error: SP may not be in the register list
stmdb r0!, {r2, pc}
@ CHECK: error: PC may not be in the register list
stmdb r0!, {sp, pc}
@ CHECK: error: SP and PC may not be in the register list
.global push
.type push,%function
push:
push {sp}
@ CHECK: error: SP may not be in the register list
push {pc}
@ CHECK: error: PC may not be in the register list
push {sp, pc}
@ CHECK: error: SP and PC may not be in the register list
.global pop
.type pop,%function
pop:
pop {sp}
@ CHECK-V7M: error: SP may not be in the register list
pop {lr, pc}
@ CHECK: error: PC and LR may not be in the register list simultaneously
@ CHECK: pop {lr, pc}
@ CHECK: ^
itt eq
popeq {r1, pc}
popeq {r2, lr}
@ CHECK: error: instruction must be outside of IT block or the last instruction in an IT block
@ CHECK: popeq {r1, pc}
@ CHECK: ^
.global valid
.type valid,%function
valid:
pop {sp}
@ CHECK-V7A: ldr sp, [sp], #4
pop {sp, pc}
@ CHECK-V7A: pop.w {sp, pc}
push.w {r0}
@ CHECK: str r0, [sp, #-4]
pop.w {r0}
@ CHECK: ldr r0, [sp], #4
|
