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-rw-r--r--src/test/ui/simd/generics.rs85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/test/ui/simd/generics.rs b/src/test/ui/simd/generics.rs
new file mode 100644
index 000000000..fa9d35ee4
--- /dev/null
+++ b/src/test/ui/simd/generics.rs
@@ -0,0 +1,85 @@
+// run-pass
+#![allow(non_camel_case_types)]
+#![feature(repr_simd, platform_intrinsics)]
+
+use std::ops;
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+struct f32x4(f32, f32, f32, f32);
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+struct A<const N: usize>([f32; N]);
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+struct B<T>([T; 4]);
+
+#[repr(simd)]
+#[derive(Copy, Clone)]
+struct C<T, const N: usize>([T; N]);
+
+
+extern "platform-intrinsic" {
+ fn simd_add<T>(x: T, y: T) -> T;
+}
+
+fn add<T: ops::Add<Output=T>>(lhs: T, rhs: T) -> T {
+ lhs + rhs
+}
+
+impl ops::Add for f32x4 {
+ type Output = f32x4;
+
+ fn add(self, rhs: f32x4) -> f32x4 {
+ unsafe { simd_add(self, rhs) }
+ }
+}
+
+impl ops::Add for A<4> {
+ type Output = Self;
+
+ fn add(self, rhs: Self) -> Self {
+ unsafe { simd_add(self, rhs) }
+ }
+}
+
+impl ops::Add for B<f32> {
+ type Output = Self;
+
+ fn add(self, rhs: Self) -> Self {
+ unsafe { simd_add(self, rhs) }
+ }
+}
+
+impl ops::Add for C<f32, 4> {
+ type Output = Self;
+
+ fn add(self, rhs: Self) -> Self {
+ unsafe { simd_add(self, rhs) }
+ }
+}
+
+
+pub fn main() {
+ let x = [1.0f32, 2.0f32, 3.0f32, 4.0f32];
+ let y = [2.0f32, 4.0f32, 6.0f32, 8.0f32];
+
+ // lame-o
+ let a = f32x4(1.0f32, 2.0f32, 3.0f32, 4.0f32);
+ let f32x4(a0, a1, a2, a3) = add(a, a);
+ assert_eq!(a0, 2.0f32);
+ assert_eq!(a1, 4.0f32);
+ assert_eq!(a2, 6.0f32);
+ assert_eq!(a3, 8.0f32);
+
+ let a = A(x);
+ assert_eq!(add(a, a).0, y);
+
+ let b = B(x);
+ assert_eq!(add(b, b).0, y);
+
+ let c = C(x);
+ assert_eq!(add(c, c).0, y);
+}