29 lines
948 B
Rust
29 lines
948 B
Rust
// Copyright 2012-2013-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-fast #[feature] doesn't work with check-fast
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#![feature(asm)]
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fn foo(x: int) { println!("{}", x); }
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#[cfg(target_arch = "x86")]
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#[cfg(target_arch = "x86_64")]
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#[cfg(target_arch = "arm")]
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pub fn main() {
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let x: int;
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unsafe {
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asm!("mov $1, $0" : "=r"(x) : "r"(x)); //~ ERROR use of possibly uninitialized variable: `x`
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}
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foo(x);
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}
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#[cfg(not(target_arch = "x86"), not(target_arch = "x86_64"), not(target_arch = "arm"))]
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pub fn main() {}
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