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Merge pull request rust-lang#235 from RalfJung/intrinsics
Implement some missing intrinsics
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![feature(core_intrinsics)] | ||
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use std::intrinsics::*; | ||
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//error-pattern: copy_nonoverlapping called on overlapping ranges | ||
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fn main() { | ||
let mut data = [0u8; 16]; | ||
unsafe { | ||
let a = &data[0] as *const _; | ||
let b = &mut data[1] as *mut _; | ||
std::ptr::copy_nonoverlapping(a, b, 2); | ||
} | ||
} |
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![allow(const_err)] | ||
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fn main() { | ||
let _n = 1 / 0; //~ ERROR: DivisionByZero | ||
} |
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![feature(core_intrinsics)] | ||
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use std::intrinsics::*; | ||
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//error-pattern: Division by 0 in unchecked_div | ||
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fn main() { | ||
unsafe { | ||
let _n = unchecked_div(1i64, 0); | ||
} | ||
} |
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![allow(exceeding_bitshifts, const_err)] | ||
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fn main() { | ||
// Make sure we catch overflows that would be hidden by first casting the RHS to u32 | ||
let _n = 1i64 >> (u32::max_value() as i64 + 1); //~ Overflow(Shr) | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,21 @@ | ||
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![feature(core_intrinsics)] | ||
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use std::intrinsics::*; | ||
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//error-pattern: Overflowing shift by 64 in unchecked_shr | ||
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fn main() { | ||
unsafe { | ||
let _n = unchecked_shr(1i64, 64); | ||
} | ||
} |
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