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
|
//@ revisions: x86_64 aarch64
//@ [x86_64] compile-flags: --target x86_64-unknown-linux-gnu
//@ [aarch64] compile-flags: --target aarch64-unknown-linux-gnu
//@ [x86_64] needs-llvm-components: x86
//@ [aarch64] needs-llvm-components: aarch64
#![feature(no_core, lang_items, rustc_attrs, asm_const)]
#![no_core]
#[rustc_builtin_macro]
macro_rules! asm {
() => {};
}
#[rustc_builtin_macro]
macro_rules! global_asm {
() => {};
}
#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}
fn main() {
let mut foo = 0;
unsafe {
asm!("{}");
//~^ ERROR invalid reference to argument at index 0
asm!("{1}", in(reg) foo);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR argument never used
asm!("{a}");
//~^ ERROR there is no argument named `a`
asm!("{}", a = in(reg) foo);
//~^ ERROR invalid reference to argument at index 0
//~^^ ERROR argument never used
asm!("{1}", a = in(reg) foo);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR named argument never used
#[cfg(any(x86_64))]
asm!("{}", in("eax") foo);
//[x86_64]~^ ERROR invalid reference to argument at index 0
#[cfg(any(aarch64))]
asm!("{}", in("x0") foo);
//[aarch64]~^ ERROR invalid reference to argument at index 0
asm!("{:foo}", in(reg) foo);
//~^ ERROR asm template modifier must be a single character
//~| WARN formatting may not be suitable for sub-register argument [asm_sub_register]
asm!("", in(reg) 0, in(reg) 1);
//~^ ERROR multiple unused asm arguments
}
}
const FOO: i32 = 1;
global_asm!("{}");
//~^ ERROR invalid reference to argument at index 0
global_asm!("{1}", const FOO);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR argument never used
global_asm!("{a}");
//~^ ERROR there is no argument named `a`
global_asm!("{}", a = const FOO);
//~^ ERROR invalid reference to argument at index 0
//~^^ ERROR argument never used
global_asm!("{1}", a = const FOO);
//~^ ERROR invalid reference to argument at index 1
//~^^ ERROR named argument never used
global_asm!("{:foo}", const FOO);
//~^ ERROR asm template modifier must be a single character
global_asm!("", const FOO, const FOO);
//~^ ERROR multiple unused asm arguments
|
