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