42 lines
988 B
Rust
42 lines
988 B
Rust
//@ build-fail
|
|
|
|
#![feature(repr_simd, intrinsics)]
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone)]
|
|
#[allow(non_camel_case_types)]
|
|
struct i32x4([i32; 4]);
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone)]
|
|
#[allow(non_camel_case_types)]
|
|
struct i32x8([i32; 8]);
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone)]
|
|
#[allow(non_camel_case_types)]
|
|
struct f32x4([f32; 4]);
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone)]
|
|
#[allow(non_camel_case_types)]
|
|
struct f32x8([f32; 8]);
|
|
|
|
|
|
extern "rust-intrinsic" {
|
|
fn simd_cast<T, U>(x: T) -> U;
|
|
}
|
|
|
|
fn main() {
|
|
let x = i32x4([0, 0, 0, 0]);
|
|
|
|
unsafe {
|
|
simd_cast::<i32, i32>(0);
|
|
//~^ ERROR expected SIMD input type, found non-SIMD `i32`
|
|
simd_cast::<i32, i32x4>(0);
|
|
//~^ ERROR expected SIMD input type, found non-SIMD `i32`
|
|
simd_cast::<i32x4, i32>(x);
|
|
//~^ ERROR expected SIMD return type, found non-SIMD `i32`
|
|
simd_cast::<_, i32x8>(x);
|
|
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i32x8` with length 8
|
|
}
|
|
}
|