| // 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. |
| |
| // Test that the simd_select intrinsic produces ok-ish error |
| // messages when misused. |
| |
| #![feature(repr_simd, platform_intrinsics)] |
| #![allow(non_camel_case_types)] |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct f32x4(pub f32, pub f32, pub f32, pub f32); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct u32x4(pub u32, pub u32, pub u32, pub u32); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq)] |
| struct b8x4(pub i8, pub i8, pub i8, pub i8); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq)] |
| struct b8x8(pub i8, pub i8, pub i8, pub i8, |
| pub i8, pub i8, pub i8, pub i8); |
| |
| extern "platform-intrinsic" { |
| fn simd_select<T, U>(x: T, a: U, b: U) -> U; |
| } |
| |
| fn main() { |
| let m4 = b8x4(0, 0, 0, 0); |
| let m8 = b8x8(0, 0, 0, 0, 0, 0, 0, 0); |
| let x = u32x4(0, 0, 0, 0); |
| let z = f32x4(0.0, 0.0, 0.0, 0.0); |
| |
| unsafe { |
| simd_select(m4, x, x); |
| |
| simd_select(m8, x, x); |
| //~^ ERROR mismatched lengths: mask length `8` != other vector length `4` |
| |
| simd_select(x, x, x); |
| //~^ ERROR mask element type is `u32`, expected `i_` |
| |
| simd_select(z, z, z); |
| //~^ ERROR mask element type is `f32`, expected `i_` |
| } |
| } |