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-rw-r--r--src/test/ui/simd/shuffle.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/simd/shuffle.rs b/src/test/ui/simd/shuffle.rs
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+++ b/src/test/ui/simd/shuffle.rs
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+//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]);
+ }
+}