diff options
Diffstat (limited to 'src/test/ui/simd/array-type.rs')
-rw-r--r-- | src/test/ui/simd/array-type.rs | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/simd/array-type.rs b/src/test/ui/simd/array-type.rs new file mode 100644 index 000000000..7d66395a3 --- /dev/null +++ b/src/test/ui/simd/array-type.rs @@ -0,0 +1,42 @@ +// run-pass +#![allow(dead_code)] + +// pretty-expanded FIXME #23616 + +#![feature(repr_simd, platform_intrinsics)] + +#[repr(simd)] +#[derive(Copy, Clone)] +struct S([i32; 4]); + +#[repr(simd)] +#[derive(Copy, Clone)] +struct T<const N: usize>([i32; N]); + +extern "platform-intrinsic" { + fn simd_insert<T, E>(x: T, idx: u32, y: E) -> T; + fn simd_extract<T, E>(x: T, idx: u32) -> E; +} + +pub fn main() { + let mut s = S([0; 4]); + + unsafe { + for i in 0_i32..4 { + s = simd_insert(s, i as u32, i); + } + for i in 0_i32..4 { + assert_eq!(i, simd_extract(s, i as u32)); + } + } + + let mut t = T::<4>([0; 4]); + unsafe { + for i in 0_i32..4 { + t = simd_insert(t, i as u32, i); + } + for i in 0_i32..4 { + assert_eq!(i, simd_extract(t, i as u32)); + } + } +} |