diff options
Diffstat (limited to 'tests/ui/simd/repr_packed.rs')
| -rw-r--r-- | tests/ui/simd/repr_packed.rs | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/tests/ui/simd/repr_packed.rs b/tests/ui/simd/repr_packed.rs index cc54477ae71..f0c6de7c402 100644 --- a/tests/ui/simd/repr_packed.rs +++ b/tests/ui/simd/repr_packed.rs @@ -3,15 +3,16 @@ #![feature(repr_simd, core_intrinsics)] #![allow(non_camel_case_types)] -use std::intrinsics::simd::simd_add; +#[path = "../../auxiliary/minisimd.rs"] +mod minisimd; +use minisimd::*; -#[repr(simd, packed)] -struct Simd<T, const N: usize>([T; N]); +use std::intrinsics::simd::simd_add; fn check_size_align<T, const N: usize>() { use std::mem; - assert_eq!(mem::size_of::<Simd<T, N>>(), mem::size_of::<[T; N]>()); - assert_eq!(mem::size_of::<Simd<T, N>>() % mem::align_of::<Simd<T, N>>(), 0); + assert_eq!(mem::size_of::<PackedSimd<T, N>>(), mem::size_of::<[T; N]>()); + assert_eq!(mem::size_of::<PackedSimd<T, N>>() % mem::align_of::<PackedSimd<T, N>>(), 0); } fn check_ty<T>() { @@ -35,14 +36,21 @@ fn main() { unsafe { // powers-of-two have no padding and have the same layout as #[repr(simd)] - let x: Simd<f64, 4> = - simd_add(Simd::<f64, 4>([0., 1., 2., 3.]), Simd::<f64, 4>([2., 2., 2., 2.])); - assert_eq!(std::mem::transmute::<_, [f64; 4]>(x), [2., 3., 4., 5.]); + let x: PackedSimd<f64, 4> = + simd_add( + PackedSimd::<f64, 4>([0., 1., 2., 3.]), + PackedSimd::<f64, 4>([2., 2., 2., 2.]), + ); + assert_eq!(x.into_array(), [2., 3., 4., 5.]); // non-powers-of-two should have padding (which is removed by #[repr(packed)]), // but the intrinsic handles it - let x: Simd<f64, 3> = simd_add(Simd::<f64, 3>([0., 1., 2.]), Simd::<f64, 3>([2., 2., 2.])); - let arr: [f64; 3] = x.0; + let x: PackedSimd<f64, 3> = + simd_add( + PackedSimd::<f64, 3>([0., 1., 2.]), + PackedSimd::<f64, 3>([2., 2., 2.]), + ); + let arr: [f64; 3] = x.into_array(); assert_eq!(arr, [2., 3., 4.]); } } |