diff options
Diffstat (limited to 'tests/ui/simd/shuffle.rs')
| -rw-r--r-- | tests/ui/simd/shuffle.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tests/ui/simd/shuffle.rs b/tests/ui/simd/shuffle.rs index cd270edcf00..061571a4786 100644 --- a/tests/ui/simd/shuffle.rs +++ b/tests/ui/simd/shuffle.rs @@ -10,10 +10,16 @@ use std::marker::ConstParamTy; use std::intrinsics::simd::simd_shuffle; +// not using `minisimd` because of the `ConstParamTy` #[derive(Copy, Clone, ConstParamTy, PartialEq, Eq)] #[repr(simd)] struct Simd<T, const N: usize>([T; N]); +fn into_array<T, const N: usize>(v: Simd<T, N>) -> [T; N] { + const { assert!(size_of::<Simd<T, N>>() == size_of::<[T; N]>()) } + unsafe { std::intrinsics::transmute_unchecked(v) } +} + unsafe fn __shuffle_vector16<const IDX: Simd<u32, 16>, T, U>(x: T, y: T) -> U { simd_shuffle(x, y, IDX) } @@ -25,10 +31,10 @@ fn main() { let b = Simd::<u8, 4>([4, 5, 6, 7]); unsafe { let x: Simd<u8, 4> = simd_shuffle(a, b, I1); - assert_eq!(x.0, [0, 2, 4, 6]); + assert_eq!(into_array(x), [0, 2, 4, 6]); let y: Simd<u8, 2> = simd_shuffle(a, b, I2); - assert_eq!(y.0, [1, 5]); + assert_eq!(into_array(y), [1, 5]); } // Test that an indirection (via an unnamed constant) |