| //@ run-pass |
| |
| #![feature(repr_simd, intrinsics)] |
| |
| extern "rust-intrinsic" { |
| fn simd_as<T, U>(x: T) -> U; |
| } |
| |
| #[derive(Copy, Clone)] |
| #[repr(simd)] |
| struct V<T>([T; 2]); |
| |
| fn main() { |
| unsafe { |
| let u = V::<u32>([u32::MIN, u32::MAX]); |
| let i: V<i16> = simd_as(u); |
| assert_eq!(i.0[0], u.0[0] as i16); |
| assert_eq!(i.0[1], u.0[1] as i16); |
| } |
| |
| unsafe { |
| let f = V::<f32>([f32::MIN, f32::MAX]); |
| let i: V<i16> = simd_as(f); |
| assert_eq!(i.0[0], f.0[0] as i16); |
| assert_eq!(i.0[1], f.0[1] as i16); |
| } |
| |
| unsafe { |
| let f = V::<f32>([f32::MIN, f32::MAX]); |
| let u: V<u8> = simd_as(f); |
| assert_eq!(u.0[0], f.0[0] as u8); |
| assert_eq!(u.0[1], f.0[1] as u8); |
| } |
| |
| unsafe { |
| let f = V::<f64>([f64::MIN, f64::MAX]); |
| let i: V<isize> = simd_as(f); |
| assert_eq!(i.0[0], f.0[0] as isize); |
| assert_eq!(i.0[1], f.0[1] as isize); |
| } |
| |
| unsafe { |
| let f = V::<f64>([f64::MIN, f64::MAX]); |
| let u: V<usize> = simd_as(f); |
| assert_eq!(u.0[0], f.0[0] as usize); |
| assert_eq!(u.0[1], f.0[1] as usize); |
| } |
| } |
