rust/tests/ui/float/int-to-float-miscompile-issue-105626.rs

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2023-02-22 23:39:23 +00:00
//@ 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
2023-02-22 23:39:23 +00:00
assert_eq!(n as i64 as f32, r);
assert_eq!(n as u64 as f32, r);
}