--- /dev/null
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! SIMD vectors
+
+#[allow(non_camel_case_types)];
+
+#[simd]
+pub struct i8x16(i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8);
+
+#[simd]
+pub struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
+
+#[simd]
+pub struct i32x4(i32, i32, i32, i32);
+
+#[simd]
+pub struct i64x2(i64, i64);
+
+#[simd]
+pub struct u8x16(u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8);
+
+#[simd]
+pub struct u16x8(u16, u16, u16, u16, u16, u16, u16, u16);
+
+#[simd]
+pub struct u32x4(u32, u32, u32, u32);
+
+#[simd]
+pub struct u64x2(u64, u64);
+
+#[simd]
+pub struct f32x4(f32, f32, f32, f32);
+
+#[simd]
+pub struct f64x2(f64, f64);