46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
|
// Copyright 2017 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.
|
||
|
|
|
||
|
|
// ignore-stage0
|
||
|
|
// ignore-stage1
|
||
|
|
|
||
|
|
// MSVC doesn't support 128 bit integers, and other Windows
|
||
|
|
// C compilers have very inconsistent views on how the ABI
|
||
|
|
// should look like.
|
||
|
|
|
||
|
|
// ignore-windows
|
||
|
|
|
||
|
|
// Ignore 32 bit targets:
|
||
|
|
// ignore-x86, ignore-arm
|
||
|
|
|
||
|
|
#![feature(i128_type)]
|
||
|
|
|
||
|
|
#[link(name = "rust_test_helpers", kind = "static")]
|
||
|
|
extern "C" {
|
||
|
|
fn identity(f: u128) -> u128;
|
||
|
|
fn square(f: i128) -> i128;
|
||
|
|
fn sub(f: i128, f: i128) -> i128;
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
unsafe {
|
||
|
|
let a = 0x734C_C2F2_A521;
|
||
|
|
let b = 0x33EE_0E2A_54E2_59DA_A0E7_8E41;
|
||
|
|
let b_out = identity(b);
|
||
|
|
assert_eq!(b, b_out);
|
||
|
|
let a_square = square(a);
|
||
|
|
assert_eq!(b, a_square as u128);
|
||
|
|
let k = 0x1234_5678_9ABC_DEFF_EDCB_A987_6543_210;
|
||
|
|
let k_d = 0x2468_ACF1_3579_BDFF_DB97_530E_CA86_420;
|
||
|
|
let k_out = sub(k_d, k);
|
||
|
|
assert_eq!(k, k_out);
|
||
|
|
}
|
||
|
|
}
|