40 lines
694 B
Rust
40 lines
694 B
Rust
// Test that the compiler will catch invalid inline assembly constraints.
|
|
|
|
// ignore-emscripten
|
|
|
|
#![feature(asm)]
|
|
|
|
extern "C" {
|
|
fn foo(a: usize);
|
|
}
|
|
|
|
fn main() {
|
|
bad_register_constraint();
|
|
bad_input();
|
|
wrong_size_output();
|
|
}
|
|
|
|
// Issue #54130
|
|
fn bad_register_constraint() {
|
|
let rax: u64;
|
|
unsafe {
|
|
asm!("" :"={rax"(rax)) //~ ERROR E0668
|
|
};
|
|
println!("Accumulator is: {}", rax);
|
|
}
|
|
|
|
// Issue #54376
|
|
fn bad_input() {
|
|
unsafe {
|
|
asm!("callq $0" : : "0"(foo)) //~ ERROR E0668
|
|
};
|
|
}
|
|
|
|
fn wrong_size_output() {
|
|
let rax: u64 = 0;
|
|
unsafe {
|
|
asm!("addb $1, $0" : "={rax}"((0i32, rax))); //~ ERROR E0668
|
|
}
|
|
println!("rax: {}", rax);
|
|
}
|