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// only-aarch64
#![feature(repr_simd, never_type, asm_sym)]
use std::arch::{asm, global_asm};
#[repr(simd)]
#[derive(Clone, Copy)]
struct SimdType(f32, f32, f32, f32);
#[repr(simd)]
struct SimdNonCopy(f32, f32, f32, f32);
fn main() {
unsafe {
// Inputs must be initialized
let x: u64;
asm!("{}", in(reg) x);
//~^ ERROR used binding `x` isn't initialized
let mut y: u64;
asm!("{}", inout(reg) y);
//~^ ERROR used binding `y` isn't initialized
let _ = y;
// Outputs require mutable places
let v: Vec<u64> = vec![0, 1, 2];
asm!("{}", in(reg) v[0]);
asm!("{}", out(reg) v[0]);
//~^ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
asm!("{}", inout(reg) v[0]);
//~^ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
// Sym operands must point to a function or static
}
}
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