mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 04:57:19 +00:00
18 lines
438 B
Rust
18 lines
438 B
Rust
//@ run-pass
|
|
//@ only-x86
|
|
//@ compile-flags: -Ctarget-feature=+sse2
|
|
|
|
use std::hint::black_box;
|
|
|
|
fn main() {
|
|
let n: i64 = black_box(0x3fffffdfffffff);
|
|
let r = f32::from_bits(0x5a7fffff);
|
|
|
|
assert_ne!((n as f64) as f32, n as f32);
|
|
|
|
// FIXME: these assertions fail if only x87 is enabled
|
|
// see also https://github.com/rust-lang/rust/issues/114479
|
|
assert_eq!(n as i64 as f32, r);
|
|
assert_eq!(n as u64 as f32, r);
|
|
}
|