mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 16:15:03 +00:00
54 lines
1.1 KiB
Rust
54 lines
1.1 KiB
Rust
// run-pass
|
|
#![allow(deprecated)]
|
|
|
|
|
|
#![feature(repr_simd)]
|
|
#![allow(non_camel_case_types)]
|
|
|
|
use std::mem;
|
|
|
|
/// `T` should satisfy `size_of T (mod min_align_of T) === 0` to be stored at `Vec<T>` properly
|
|
/// Please consult the issue #20460
|
|
fn check<T>() {
|
|
assert_eq!(mem::size_of::<T>() % mem::min_align_of::<T>(), 0);
|
|
assert_eq!(mem::size_of::<T>() % mem::min_align_of::<T>(), 0);
|
|
assert_eq!(mem::size_of::<T>() % mem::min_align_of::<T>(), 0);
|
|
}
|
|
|
|
#[repr(simd)]
|
|
struct U8<const N: usize>([u8; N]);
|
|
|
|
#[repr(simd)]
|
|
struct I16<const N: usize>([i16; N]);
|
|
|
|
#[repr(simd)]
|
|
struct F32<const N: usize>([f32; N]);
|
|
|
|
#[repr(simd)]
|
|
struct Usize<const N: usize>([usize; N]);
|
|
|
|
#[repr(simd)]
|
|
struct Isize<const N: usize>([isize; N]);
|
|
|
|
fn main() {
|
|
check::<U8<2>>();
|
|
check::<U8<4>>();
|
|
check::<U8<8>>();
|
|
|
|
check::<I16<2>>();
|
|
check::<I16<4>>();
|
|
check::<I16<8>>();
|
|
|
|
check::<F32<2>>();
|
|
check::<F32<4>>();
|
|
check::<F32<8>>();
|
|
|
|
check::<Usize<2>>();
|
|
check::<Usize<4>>();
|
|
check::<Usize<8>>();
|
|
|
|
check::<Isize<2>>();
|
|
check::<Isize<4>>();
|
|
check::<Isize<8>>();
|
|
}
|