6e5fb8bd1b
Adds AArch64 knowledge to: * configure, * make files, * sources, * tests, and * documentation.
32 lines
996 B
Rust
32 lines
996 B
Rust
// Copyright 2012-2015 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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#![feature(asm)]
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fn foo(x: int) { println!("{}", x); }
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#[cfg(any(target_arch = "x86",
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target_arch = "x86_64",
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target_arch = "arm",
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target_arch = "aarch64"))]
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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(any(target_arch = "x86",
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target_arch = "x86_64",
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target_arch = "arm",
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target_arch = "aarch64")))]
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pub fn main() {}
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