1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//@ build-fail
// Test that the simd_shuffle intrinsic produces ok-ish error
// messages when misused.
#![feature(repr_simd, intrinsics)]
#[repr(simd)]
#[derive(Copy, Clone)]
pub struct Simd<T, const N: usize>([T; N]);
extern "rust-intrinsic" {
fn simd_shuffle<T, I, U>(a: T, b: T, i: I) -> U;
}
fn main() {
const I: Simd<u32, 2> = Simd([0; 2]);
const I2: Simd<f32, 2> = Simd([0.; 2]);
let v = Simd::<u32, 4>([0; 4]);
unsafe {
let _: Simd<u32, 2> = simd_shuffle(v, v, I);
let _: Simd<u32, 2> = simd_shuffle(v, v, const { [0u32; 2] });
//~^ ERROR invalid monomorphization of `simd_shuffle` intrinsic
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
}
}
|
