mirror of https://github.com/rust-lang/rust
75 lines
2.3 KiB
Rust
75 lines
2.3 KiB
Rust
//@ 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
|