34 lines
885 B
Rust
34 lines
885 B
Rust
|
// build-fail
|
||
|
|
|
||
|
|
// Test that the simd_shuffle intrinsic produces ok-ish error
|
||
|
|
// messages when misused.
|
||
|
|
|
||
|
|
#![feature(repr_simd, platform_intrinsics)]
|
||
|
|
|
||
|
|
#[repr(simd)]
|
||
|
|
#[derive(Copy, Clone)]
|
||
|
|
pub struct Simd<T, const N: usize>([T; N]);
|
||
|
|
|
||
|
|
extern "platform-intrinsic" {
|
||
|
|
fn simd_shuffle<T, I, U>(a: T, b: T, i: I) -> U;
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
const I: [u32; 2] = [0; 2];
|
||
|
|
const I2: [f32; 2] = [0.; 2];
|
||
|
|
let v = Simd::<u32, 4>([0; 4]);
|
||
|
|
|
||
|
|
unsafe {
|
||
|
|
let _: Simd<u32, 2> = simd_shuffle(v, v, I);
|
||
|
|
|
||
|
|
let _: Simd<u32, 4> = simd_shuffle(v, v, I);
|
||
|
|
//~^ ERROR invalid monomorphization of `simd_shuffle` intrinsic
|
||
|
|
|
||
|
|
let _: Simd<f32, 2> = simd_shuffle(v, v, I);
|
||
|
|
//~^ ERROR invalid monomorphization of `simd_shuffle` intrinsic
|
||
|
|
|
||
|
|
let _: Simd<u32, 2> = simd_shuffle(v, v, I2);
|
||
|
|
//~^ ERROR invalid monomorphization of `simd_shuffle` intrinsic
|
||
|
|
}
|
||
|
|
}
|