fix creation of simd types

src/interpreter/mod.rs

@@ -570,6 +570,13 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
                         }
                     }
 
+                    Vector { element, count } => {
+                        let elem_size = element.size(&self.tcx.data_layout).bytes();
+                        debug_assert_eq!(count, operands.len() as u64);
+                        let offsets = (0..).map(|i| i * elem_size);
+                        self.assign_fields(dest, offsets, operands)?;
+                    }
+
                     _ => return Err(EvalError::Unimplemented(format!("can't handle destination layout {:?} when assigning {:?}", dest_layout, kind))),
                 }
             }

tests/run-pass/simd-intrinsic-generic-elements.rs

@@ -0,0 +1,42 @@
+// Copyright 2015 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.
+
+#![feature(repr_simd, platform_intrinsics)]
+
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x2(i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x3(i32, i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x4(i32, i32, i32, i32);
+#[repr(simd)]
+#[derive(Copy, Clone, Debug, PartialEq)]
+#[allow(non_camel_case_types)]
+struct i32x8(i32, i32, i32, i32,
+             i32, i32, i32, i32);
+
+fn main() {
+    let _x2 = i32x2(20, 21);
+    let _x3 = i32x3(30, 31, 32);
+    let _x4 = i32x4(40, 41, 42, 43);
+    let _x8 = i32x8(80, 81, 82, 83, 84, 85, 86, 87);
+
+    let _y2 = i32x2(120, 121);
+    let _y3 = i32x3(130, 131, 132);
+    let _y4 = i32x4(140, 141, 142, 143);
+    let _y8 = i32x8(180, 181, 182, 183, 184, 185, 186, 187);
+
+}