Add test for #33264

Closes #33264

src/test/run-pass/issue-33264.rs

@@ -0,0 +1,39 @@
+// Copyright 2018 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.
+
+// only-x86_64
+
+#![allow(dead_code, non_upper_case_globals)]
+#![feature(asm)]
+
+#[repr(C)]
+pub struct D32x4(f32,f32,f32,f32);
+
+impl D32x4 {
+    fn add(&self, vec: Self) -> Self {
+        unsafe {
+            let ret: Self;
+            asm!("
+                 movaps $1, %xmm1
+                 movaps $2, %xmm2
+                 addps %xmm1, %xmm2
+                 movaps $xmm1, $0
+                 "
+                 : "=r"(ret)
+                 : "1"(self), "2"(vec)
+                 : "xmm1", "xmm2"
+                 );
+            ret
+        }
+    }
+}
+
+fn main() { }
+