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1// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
11// ignore-android
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12// ignore-arm
13// ignore-aarch64
9e0c209e 14// ignore-s390x
1a4d82fc 15
c34b1796 16#![feature(asm, rustc_attrs)]
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17
18#![allow(dead_code, non_upper_case_globals)]
19
20#[cfg(any(target_arch = "x86",
21 target_arch = "x86_64"))]
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22#[rustc_error]
23pub fn main() { //~ ERROR compilation successful
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24 // assignment not dead
25 let mut x: isize = 0;
26 unsafe {
27 // extra colon
85aaf69f 28 asm!("mov $1, $0" : "=r"(x) : "r"(5_usize), "0"(x) : : "cc");
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29 //~^ WARNING unrecognized option
30 }
31 assert_eq!(x, 5);
32
33 unsafe {
34 // comma in place of a colon
85aaf69f 35 asm!("add $2, $1; mov $1, $0" : "=r"(x) : "r"(x), "r"(8_usize) : "cc", "volatile");
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36 //~^ WARNING expected a clobber, found an option
37 }
38 assert_eq!(x, 13);
39}