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|
//@ needs-asm-support
#![feature(asm_cfg)]
use std::arch::asm;
fn main() {
unsafe {
asm!(
"",
#[cfg(false)]
clobber_abi("C"),
#[cfg(false)]
options(att_syntax),
#[cfg(false)]
a = out(reg) x,
"",
//~^ ERROR expected one of `#`, `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `label`, `lateout`, `options`, `out`, or `sym`, found `""`
);
asm!(
#[cfg(false)]
"",
#[cfg(false)]
const {
5
},
"",
//~^ ERROR expected one of `#`, `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `label`, `lateout`, `options`, `out`, or `sym`, found `""`
);
asm!(
#[cfg_attr(true, cfg(false))]
const {
5
},
"",
);
// This is not accepted because `a = out(reg) x` is not a valid expression.
asm!(
#[cfg(false)]
a = out(reg) x, //~ ERROR expected token: `,`
"",
);
// For now, any non-cfg attributes are rejected
asm!(
#[rustfmt::skip] //~ ERROR this attribute is not supported on assembly
"",
);
// For now, any non-cfg attributes are rejected
asm!(
#![rustfmt::skip] //~ ERROR an inner attribute is not permitted in this context
"",
);
}
}
|
