summary refs log tree commit diff
path: root/src/test/ui/asm/asm-misplaced-option.rs
blob: 5c202a158f401e94940c5d806b9c93226f85b228 (plain)
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
// ignore-android
// ignore-arm
// ignore-aarch64
// ignore-s390x
// ignore-emscripten
// ignore-powerpc
// ignore-powerpc64
// ignore-powerpc64le
// ignore-sparc
// ignore-sparc64
// ignore-mips
// ignore-mips64

// compile-pass
// skip-codegen
#![feature(asm)]
#![allow(dead_code, non_upper_case_globals)]

#[cfg(any(target_arch = "x86",
          target_arch = "x86_64"))]
pub fn main() {
    // assignment not dead
    let mut x: isize = 0;
    unsafe {
        // extra colon
        asm!("mov $1, $0" : "=r"(x) : "r"(5_usize), "0"(x) : : "cc");
        //~^ WARNING unrecognized option
    }
    assert_eq!(x, 5);

    unsafe {
        // comma in place of a colon
        asm!("add $2, $1; mov $1, $0" : "=r"(x) : "r"(x), "r"(8_usize) : "cc", "volatile");
        //~^ WARNING expected a clobber, found an option
    }
    assert_eq!(x, 13);
}