1// RUN: not llvm-mc -triple x86_64-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=64 %s
2// RUN: FileCheck --check-prefix=ERR64 < %t.err %s
3// RUN: not llvm-mc -triple i386-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=32 %s
4// RUN: FileCheck --check-prefix=ERR32 < %t.err %s
5// RUN: not llvm-mc -triple i386-unknown-unknown-code16 --show-encoding %s 2> %t.err | FileCheck --check-prefix=16 %s
6// RUN: FileCheck --check-prefix=ERR16 < %t.err %s
7
8lodsb
9// 64: lodsb (%rsi), %al # encoding: [0xac]
10// 32: lodsb (%esi), %al # encoding: [0xac]
11// 16: lodsb (%si), %al # encoding: [0xac]
12
13lodsb (%rsi), %al
14// 64: lodsb (%rsi), %al # encoding: [0xac]
15// ERR32: 64-bit
16// ERR16: 64-bit
17
18lodsb (%esi), %al
19// 64: lodsb (%esi), %al # encoding: [0x67,0xac]
20// 32: lodsb (%esi), %al # encoding: [0xac]
21// 16: lodsb (%esi), %al # encoding: [0x67,0xac]
22
23lodsb (%si), %al
24// ERR64: invalid 16-bit base register
25// 32: lodsb (%si), %al # encoding: [0x67,0xac]
26// 16: lodsb (%si), %al # encoding: [0xac]
27
28lodsl %gs:(%esi)
29// 64: lodsl %gs:(%esi), %eax # encoding: [0x65,0x67,0xad]
30// 32: lodsl %gs:(%esi), %eax # encoding: [0x65,0xad]
31// 16: lodsl %gs:(%esi), %eax # encoding: [0x66,0x65,0x67,0xad]
32
33lodsl (%edi), %eax
34// ERR64: invalid operand
35// ERR32: invalid operand
36// ERR16: invalid operand
37
38lodsl 44(%edi), %eax
39// ERR64: invalid operand
40// ERR32: invalid operand
41// ERR16: invalid operand
42
43lods (%esi), %ax
44// 64: lodsw (%esi), %ax # encoding: [0x66,0x67,0xad]
45// 32: lodsw (%esi), %ax # encoding: [0x66,0xad]
46// 16: lodsw (%esi), %ax # encoding: [0x67,0xad]
47
48stosw
49// 64: stosw %ax, %es:(%rdi) # encoding: [0x66,0xab]
50// 32: stosw %ax, %es:(%edi) # encoding: [0x66,0xab]
51// 16: stosw %ax, %es:(%di) # encoding: [0xab]
52
53stos %eax, (%edi)
54// 64: stosl %eax, %es:(%edi) # encoding: [0x67,0xab]
55// 32: stosl %eax, %es:(%edi) # encoding: [0xab]
56// 16: stosl %eax, %es:(%edi) # encoding: [0x66,0x67,0xab]
57
58stosb %al, %fs:(%edi)
59// ERR64: invalid operand for instruction
60// ERR32: invalid operand for instruction
61// ERR16: invalid operand for instruction
62
63stosb %al, %es:(%edi)
64// 64: stosb %al, %es:(%edi) # encoding: [0x67,0xaa]
65// 32: stosb %al, %es:(%edi) # encoding: [0xaa]
66// 16: stosb %al, %es:(%edi) # encoding: [0x67,0xaa]
67
68stosq
69// 64: stosq %rax, %es:(%rdi) # encoding: [0x48,0xab]
70// ERR32: 64-bit
71// ERR16: 64-bit
72
73stos %rax, (%edi)
74// 64: 	stosq %rax, %es:(%edi) # encoding: [0x48,0x67,0xab]
75// ERR32: only available in 64-bit mode
76// ERR16: only available in 64-bit mode
77
78scas %es:(%edi), %al
79// 64: scasb %es:(%edi), %al # encoding: [0x67,0xae]
80// 32: scasb %es:(%edi), %al # encoding: [0xae]
81// 16: scasb %es:(%edi), %al # encoding: [0x67,0xae]
82
83scasq %es:(%edi)
84// 64: scasq %es:(%edi), %rax # encoding: [0x48,0x67,0xaf]
85// ERR32: 64-bit
86// ERR16: 64-bit
87
88scasl %es:(%edi), %al
89// ERR64: invalid operand
90// ERR32: invalid operand
91// ERR16: invalid operand
92
93scas %es:(%di), %ax
94// ERR64: invalid 16-bit base register
95// 16: scasw %es:(%di), %ax # encoding: [0xaf]
96// 32: scasw %es:(%di), %ax # encoding: [0x66,0x67,0xaf]
97
98cmpsb
99// 64: cmpsb %es:(%rdi), (%rsi) # encoding: [0xa6]
100// 32: cmpsb %es:(%edi), (%esi) # encoding: [0xa6]
101// 16: cmpsb %es:(%di), (%si) # encoding: [0xa6]
102
103cmpsw (%edi), (%esi)
104// 64: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0x67,0xa7]
105// 32: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0xa7]
106// 16: cmpsw %es:(%edi), (%esi) # encoding: [0x67,0xa7]
107
108cmpsb (%di), (%esi)
109// ERR64: invalid 16-bit base register
110// ERR32: mismatching source and destination
111// ERR16: mismatching source and destination
112
113cmpsl %es:(%edi), %ss:(%esi)
114// 64: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0x67,0xa7]
115// 32: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0xa7]
116// 16: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x66,0x36,0x67,0xa7]
117
118cmpsq (%rdi), (%rsi)
119// 64: cmpsq %es:(%rdi), (%rsi) # encoding: [0x48,0xa7]
120// ERR32: 64-bit
121// ERR16: 64-bit
122
123movsb (%esi), (%edi)
124// 64: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
125// 32: movsb (%esi), %es:(%edi) # encoding: [0xa4]
126// 16: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
127
128movsl %gs:(%esi), (%edi)
129// 64: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0x67,0xa5]
130// 32: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0xa5]
131// 16: movsl %gs:(%esi), %es:(%edi) # encoding: [0x66,0x65,0x67,0xa5]
132
133outsb
134// 64: outsb (%rsi), %dx # encoding: [0x6e]
135// 32: outsb (%esi), %dx # encoding: [0x6e]
136// 16: outsb (%si), %dx # encoding: [0x6e]
137
138outsw %fs:(%esi), %dx
139// 64: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x67,0x6f]
140// 32: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x6f]
141// 16: outsw %fs:(%esi), %dx # encoding: [0x64,0x67,0x6f]
142
143insw %dx, (%edi)
144// 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d]
145// 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d]
146// 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d]
147
148insw %dx, (%bx)
149// ERR64: invalid 16-bit base register
150// 32: insw %dx, %es:(%di) # encoding: [0x66,0x67,0x6d]
151// 16: insw %dx, %es:(%di) # encoding: [0x6d]
152
153insw %dx, (%ebx)
154// 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d]
155// 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d]
156// 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d]
157
158insw %dx, (%rbx)
159// 64: insw %dx, %es:(%rdi) # encoding: [0x66,0x6d]
160// ERR32: 64-bit
161// ERR16: 64-bit
162
163