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Move /src/test to /tests

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Albert Larsan 2023-01-05 09:13:28 +01:00
parent ca855e6e42
commit cf2dff2b1e
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// Figuring out the size of a vector type that depends on traits doesn't ICE
#![allow(dead_code)]
// pretty-expanded FIXME #23616
#![feature(repr_simd, platform_intrinsics, generic_const_exprs)]
#![allow(non_camel_case_types, incomplete_features)]
pub trait Simd {
type Lane: Clone + Copy;
const SIZE: usize;
}
pub struct i32x4;
impl Simd for i32x4 {
type Lane = i32;
const SIZE: usize = 4;
}
#[repr(simd)]
#[derive(Copy, Clone)]
pub struct T<S: Simd>([S::Lane; S::SIZE]);
//~^ ERROR unconstrained generic constant
extern "platform-intrinsic" {
fn simd_insert<T, E>(x: T, idx: u32, y: E) -> T;
fn simd_extract<T, E>(x: T, idx: u32) -> E;
}
pub fn main() {
let mut t = T::<i32x4>([0; 4]);
unsafe {
for i in 0_i32..4 {
t = simd_insert(t, i as u32, i);
}
for i in 0_i32..4 {
assert_eq!(i, simd_extract(t, i as u32));
}
}
}