rust/src/test/ui/llvm-asm/llvm-asm-out-assign-imm.rs

37 lines
770 B
Rust

// ignore-s390x
// ignore-emscripten
// ignore-powerpc
// ignore-powerpc64
// ignore-powerpc64le
// ignore-riscv64
// ignore-sparc
// ignore-sparc64
// ignore-mips
// ignore-mips64
// ignore-e2k64
#![feature(llvm_asm)]
fn foo(x: isize) { println!("{}", x); }
#[cfg(any(target_arch = "x86",
target_arch = "x86_64",
target_arch = "arm",
target_arch = "aarch64"))]
pub fn main() {
let x: isize;
x = 1;
foo(x);
unsafe {
llvm_asm!("mov $1, $0" : "=r"(x) : "r"(5));
//~^ ERROR cannot assign twice to immutable variable `x`
}
foo(x);
}
#[cfg(not(any(target_arch = "x86",
target_arch = "x86_64",
target_arch = "arm",
target_arch = "aarch64")))]
pub fn main() {}