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
|
# RUN: llvm-mc -triple mips-unknown-linux -target-abi o32 -filetype=obj -o - %s | \
# RUN: llvm-objdump -d -r -z - | FileCheck --check-prefixes=ALL,O32 %s
# RUN: llvm-mc -triple mips-unknown-linux -target-abi o32 %s | \
# RUN: FileCheck -check-prefixes=ASM,ASM-O32 %s
# FIXME: Now we check .cpsetup expansion for `-mno-shared` case only.
# We also need to implement/check the `-mshared` case.
# RUN: llvm-mc -triple mips64-unknown-linux -target-abi n32 -filetype=obj -o - %s | \
# RUN: llvm-objdump -d -r -z - | \
# RUN: FileCheck -check-prefixes=ALL,NXX,N32 %s
# RUN: llvm-mc -triple mips64-unknown-linux -target-abi n32 %s | \
# RUN: FileCheck -check-prefixes=ASM,ASM-N32 %s
# RUN: llvm-mc -triple mips64-unknown-linux %s -filetype=obj -o - | \
# RUN: llvm-objdump -d -r -z - | \
# RUN: FileCheck -check-prefixes=ALL,NXX,N64 %s
# RUN: llvm-mc -triple mips64-unknown-linux %s | \
# RUN: FileCheck -check-prefixes=ASM,ASM-N64 %s
.text
.option pic2
t1:
.cpsetup $25, 8, __cerror
nop
.cpreturn
nop
# ALL-LABEL: <t1>:
# ASM-LABEL: t1:
# O32-NOT: __cerror
# NXX-NEXT: sd $gp, 8($sp)
# NXX-NEXT: lui $gp, 0
# N32-NEXT: R_MIPS_HI16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_HI16 __cerror
# NXX-NEXT: addiu $gp, $gp, 0
# N32-NEXT: R_MIPS_LO16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_LO16 __cerror
# N64-NEXT: daddu $gp, $gp, $25
# ASM-NEXT: .cpsetup $25, 8, __cerror
# ALL-NEXT: nop
# ASM: .cpreturn
# NXX-NEXT: ld $gp, 8($sp)
# ALL-NEXT: nop
t2:
.cpsetup $25, $2, __cerror
nop
.cpreturn
nop
# ALL-LABEL: <t2>:
# ASM-LABEL: t2:
# O32-NOT: __cerror
# NXX-NEXT: move $2, $gp
# NXX-NEXT: lui $gp, 0
# N32-NEXT: R_MIPS_HI16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_HI16 __cerror
# NXX-NEXT: addiu $gp, $gp, 0
# N32-NEXT: R_MIPS_LO16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_LO16 __cerror
# N64-NEXT: daddu $gp, $gp, $25
# ASM-NEXT: .cpsetup $25, $2, __cerror
# ALL-NEXT: nop
# ASM: .cpreturn
# NXX-NEXT: move $gp, $2
# ALL-NEXT: nop
# .cpsetup with local labels (PR22518):
# The '1:' label isn't emitted in all cases but we still want a label to match
# so we force one here.
t3:
nop
1:
.cpsetup $25, $2, 1b
nop
sub $3, $3, $2
# ALL-LABEL: <t3>:
# ASM-LABEL: t3:
# ALL-NEXT: nop
# O32-NEXT: nop
# O32-NEXT: sub $3, $3, $2
# NXX-NEXT: move $2, $gp
# NXX-NEXT: lui $gp, 0
# N32-NEXT: {{^ *0+}}38: R_MIPS_HI16 __gnu_local_gp
# N64-NEXT: {{^ *0+}}40: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_HI16 .text
# NXX-NEXT: addiu $gp, $gp, 0
# N32-NEXT: {{^ *0+}}3c: R_MIPS_LO16 __gnu_local_gp
# N64-NEXT: {{^ *0+}}44: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_LO16 .text
# N64-NEXT: daddu $gp, $gp, $25
# NXX-NEXT: nop
# NXX-NEXT: sub $3, $3, $2
# ASM-O32: [[LABEL:\$tmp0]]:
# ASM-N32: [[LABEL:\.Ltmp0]]:
# ASM-N64: [[LABEL:\.Ltmp0]]:
# ASM-NEXT: .cpsetup $25, $2, [[LABEL]]
# Ensure we have at least one instruction between labels so that the labels
# we're matching aren't removed.
nop
# ALL-NEXT: nop
.option pic0
t4:
nop
.cpsetup $25, 8, __cerror
nop
.cpreturn
nop
# Testing that .cpsetup expands to nothing in this case
# by checking that the next instruction after the first
# nop is also a 'nop'.
# ALL-LABEL: <t4>:
# ASM-LABEL: t4:
# NXX-NEXT: nop
# NXX-NEXT: nop
# NXX-NEXT: nop
# ASM-NEXT: nop
# ASM-NEXT: .cpsetup $25, 8, __cerror
# ASM-NEXT: nop
# ASM-NEXT: .cpreturn
# ASM-NEXT: nop
# Test that we accept constant expressions.
.option pic2
t5:
.cpsetup $25, ((8*4) - (3*8)), __cerror
nop
# ALL-LABEL: <t5>:
# ASM-LABEL: t5:
# O32-NOT: __cerror
# NXX-NEXT: sd $gp, 8($sp)
# NXX-NEXT: lui $gp, 0
# N32-NEXT: R_MIPS_HI16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_HI16 __cerror
# NXX-NEXT: addiu $gp, $gp, 0
# N32-NEXT: R_MIPS_LO16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_LO16 __cerror
# N64-NEXT: daddu $gp, $gp, $25
# ASM-NEXT: .cpsetup $25, 8, __cerror
# ALL-NEXT: nop
t1b:
IMM_8 = 8
.cpsetup $25, IMM_8, __cerror
nop
.cpreturn
nop
# ALL-LABEL: <t1b>:
# ASM-LABEL: t1b:
# ASM-NEXT: .set IMM_8, 8
# O32-NOT: __cerror
# NXX-NEXT: sd $gp, 8($sp)
# NXX-NEXT: lui $gp, 0
# N32-NEXT: R_MIPS_HI16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_HI16 __cerror
# NXX-NEXT: addiu $gp, $gp, 0
# N32-NEXT: R_MIPS_LO16 __gnu_local_gp
# N64-NEXT: R_MIPS_GPREL16/R_MIPS_SUB/R_MIPS_LO16 __cerror
# N64-NEXT: daddu $gp, $gp, $25
# ASM-NEXT: .cpsetup $25, 8, __cerror
# ALL-NEXT: nop
# ASM: .cpreturn
# NXX-NEXT: ld $gp, 8($sp)
# ALL-NEXT: nop
|
