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
|
//@ assembly-output: emit-asm
//@ revisions: att intel
//@ [att] compile-flags: -Cllvm-args=-x86-asm-syntax=att
//@ [intel] compile-flags: -Cllvm-args=-x86-asm-syntax=intel
//@ only-x86_64
#![crate_type = "lib"]
// CHECK-LABEL: naked_att:
// intel-CHECK: mov rax, qword ptr [rdi]
// intel-CHECK: ret
// att-CHECK: movq (%rdi), %rax
// att-CHECK: retq
#[unsafe(naked)]
#[unsafe(no_mangle)]
extern "sysv64" fn naked_att() {
std::arch::naked_asm!(
"
movq (%rdi), %rax
retq
",
options(att_syntax),
);
}
// CHECK-LABEL: naked_intel:
// intel-CHECK: mov rax, rdi
// intel-CHECK: ret
// att-CHECK: movq (%rdi), %rax
// att-CHECK: retq
#[unsafe(naked)]
#[unsafe(no_mangle)]
extern "sysv64" fn naked_intel() {
std::arch::naked_asm!(
"
mov rax, rdi
ret
",
options(),
);
}
// CHECK-LABEL: global_att:
// intel-CHECK: mov rax, rdi
// intel-CHECK: ret
// att-CHECK: movq (%rdi), %rax
// att-CHECK: retq
core::arch::global_asm!(
"
.globl global_att
global_att:
movq (%rdi), %rax
retq
",
options(att_syntax),
);
// CHECK-LABEL: global_intel:
// intel-CHECK: mov rax, rdi
// intel-CHECK: ret
// att-CHECK: movq (%rdi), %rax
// att-CHECK: retq
core::arch::global_asm!(
"
.globl global_intel
global_intel:
mov rax, rdi
ret
",
options(),
);
|
