| // check-pass |
| // ignore-android |
| // ignore-arm |
| // ignore-aarch64 |
| // ignore-s390x |
| // ignore-emscripten |
| // ignore-powerpc |
| // ignore-powerpc64 |
| // ignore-powerpc64le |
| // ignore-sparc |
| // ignore-sparc64 |
| // ignore-mips |
| // ignore-mips64 |
| |
| #![feature(asm)] |
| |
| #[cfg(any(target_arch = "x86", |
| target_arch = "x86_64"))] |
| 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); |
| } |
