| //@ run-pass |
| //@ compile-flags: -O -Zverify-llvm-ir |
| |
| #![feature(repr_simd, core_intrinsics)] |
| |
| #[allow(non_camel_case_types)] |
| #[derive(Clone, Copy)] |
| #[repr(simd)] |
| struct i32x4([i32; 4]); |
| |
| #[inline(always)] |
| fn to_array(a: i32x4) -> [i32; 4] { |
| // This was originally just `a.0`, but that ended up being annoying enough |
| // that it was banned by <https://github.com/rust-lang/compiler-team/issues/838> |
| unsafe { std::mem::transmute(a) } |
| } |
| |
| fn main() { |
| let a = i32x4([1, 2, 3, 4]); |
| let b = unsafe { std::intrinsics::simd::simd_add(a, a) }; |
| assert_eq!(to_array(b), [2, 4, 6, 8]); |
| } |
