mirror of https://github.com/rust-lang/rust
22 lines
483 B
Rust
22 lines
483 B
Rust
//@ run-pass
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#![feature(repr_simd, intrinsics)]
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extern "rust-intrinsic" {
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fn simd_cast<T, U>(x: T) -> U;
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}
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#[derive(Copy, Clone)]
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#[repr(simd)]
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struct V<T>([T; 4]);
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fn main() {
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let u = V::<usize>([0, 1, 2, 3]);
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let uu32: V<u32> = unsafe { simd_cast(u) };
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let ui64: V<i64> = unsafe { simd_cast(u) };
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for (u, (uu32, ui64)) in u.0.iter().zip(uu32.0.iter().zip(ui64.0.iter())) {
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assert_eq!(*u as u32, *uu32);
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assert_eq!(*u as i64, *ui64);
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}
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}
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