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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/simd/shuffle.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/simd/shuffle.rs b/src/test/ui/simd/shuffle.rs new file mode 100644 index 000000000..3592adfdc --- /dev/null +++ b/src/test/ui/simd/shuffle.rs @@ -0,0 +1,24 @@ +//run-pass +#![feature(repr_simd, platform_intrinsics)] + +extern "platform-intrinsic" { + fn simd_shuffle<T, I, U>(a: T, b: T, i: I) -> U; +} + +#[derive(Copy, Clone)] +#[repr(simd)] +struct Simd<T, const N: usize>([T; N]); + +fn main() { + const I1: [u32; 4] = [0, 2, 4, 6]; + const I2: [u32; 2] = [1, 5]; + let a = Simd::<u8, 4>([0, 1, 2, 3]); + 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]); + + let y: Simd<u8, 2> = simd_shuffle(a, b, I2); + assert_eq!(y.0, [1, 5]); + } +} |