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// only-x86_64
// run-pass
// needs-asm-support
// revisions: mirunsafeck thirunsafeck
// [thirunsafeck]compile-flags: -Z thir-unsafeck
#![feature(asm_const)]
use std::arch::{asm, global_asm};
fn const_generic<const X: usize>() -> usize {
unsafe {
let a: usize;
asm!("mov {}, {}", out(reg) a, const X);
a
}
}
const fn constfn(x: usize) -> usize {
x
}
fn main() {
unsafe {
let a: usize;
asm!("mov {}, {}", out(reg) a, const 5);
assert_eq!(a, 5);
let b: usize;
asm!("mov {}, {}", out(reg) b, const constfn(5));
assert_eq!(b, 5);
let c: usize;
asm!("mov {}, {}", out(reg) c, const constfn(5) + constfn(5));
assert_eq!(c, 10);
}
let d = const_generic::<5>();
assert_eq!(d, 5);
}
global_asm!("mov eax, {}", const 5);
global_asm!("mov eax, {}", const constfn(5));
global_asm!("mov eax, {}", const constfn(5) + constfn(5));
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