/// `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);
+ assert_eq!(mem::size_of::<T>() % mem::min_align_of::<T>(), 0);
}
-fn main() {
- check::<u8x2>();
- check::<u8x3>();
- check::<u8x4>();
- check::<u8x5>();
- check::<u8x6>();
- check::<u8x7>();
- check::<u8x8>();
+#[repr(simd)]
+struct U8<const N: usize>([u8; N]);
- check::<i16x2>();
- check::<i16x3>();
- check::<i16x4>();
- check::<i16x5>();
- check::<i16x6>();
- check::<i16x7>();
- check::<i16x8>();
+#[repr(simd)]
+struct I16<const N: usize>([i16; N]);
- check::<f32x2>();
- check::<f32x3>();
- check::<f32x4>();
- check::<f32x5>();
- check::<f32x6>();
- check::<f32x7>();
- check::<f32x8>();
+#[repr(simd)]
+struct F32<const N: usize>([f32; N]);
- check::<usizex2>();
- check::<usizex3>();
- check::<usizex4>();
- check::<usizex5>();
- check::<usizex6>();
- check::<usizex7>();
- check::<usizex8>();
+#[repr(simd)]
+struct Usize<const N: usize>([usize; N]);
- check::<isizex2>();
- check::<isizex3>();
- check::<isizex4>();
- check::<isizex5>();
- check::<isizex6>();
- check::<isizex7>();
- check::<isizex8>();
-}
+#[repr(simd)]
+struct Isize<const N: usize>([isize; N]);
-#[repr(simd)] struct u8x2(u8, u8);
-#[repr(simd)] struct u8x3(u8, u8, u8);
-#[repr(simd)] struct u8x4(u8, u8, u8, u8);
-#[repr(simd)] struct u8x5(u8, u8, u8, u8, u8);
-#[repr(simd)] struct u8x6(u8, u8, u8, u8, u8, u8);
-#[repr(simd)] struct u8x7(u8, u8, u8, u8, u8, u8, u8);
-#[repr(simd)] struct u8x8(u8, u8, u8, u8, u8, u8, u8, u8);
+fn main() {
+ check::<U8<2>>();
+ check::<U8<4>>();
+ check::<U8<8>>();
-#[repr(simd)] struct i16x2(i16, i16);
-#[repr(simd)] struct i16x3(i16, i16, i16);
-#[repr(simd)] struct i16x4(i16, i16, i16, i16);
-#[repr(simd)] struct i16x5(i16, i16, i16, i16, i16);
-#[repr(simd)] struct i16x6(i16, i16, i16, i16, i16, i16);
-#[repr(simd)] struct i16x7(i16, i16, i16, i16, i16, i16, i16);
-#[repr(simd)] struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);
+ check::<I16<2>>();
+ check::<I16<4>>();
+ check::<I16<8>>();
-#[repr(simd)] struct f32x2(f32, f32);
-#[repr(simd)] struct f32x3(f32, f32, f32);
-#[repr(simd)] struct f32x4(f32, f32, f32, f32);
-#[repr(simd)] struct f32x5(f32, f32, f32, f32, f32);
-#[repr(simd)] struct f32x6(f32, f32, f32, f32, f32, f32);
-#[repr(simd)] struct f32x7(f32, f32, f32, f32, f32, f32, f32);
-#[repr(simd)] struct f32x8(f32, f32, f32, f32, f32, f32, f32, f32);
+ check::<F32<2>>();
+ check::<F32<4>>();
+ check::<F32<8>>();
-#[repr(simd)] struct usizex2(usize, usize);
-#[repr(simd)] struct usizex3(usize, usize, usize);
-#[repr(simd)] struct usizex4(usize, usize, usize, usize);
-#[repr(simd)] struct usizex5(usize, usize, usize, usize, usize);
-#[repr(simd)] struct usizex6(usize, usize, usize, usize, usize, usize);
-#[repr(simd)] struct usizex7(usize, usize, usize, usize, usize, usize, usize);
-#[repr(simd)] struct usizex8(usize, usize, usize, usize, usize, usize, usize, usize);
+ check::<Usize<2>>();
+ check::<Usize<4>>();
+ check::<Usize<8>>();
-#[repr(simd)] struct isizex2(isize, isize);
-#[repr(simd)] struct isizex3(isize, isize, isize);
-#[repr(simd)] struct isizex4(isize, isize, isize, isize);
-#[repr(simd)] struct isizex5(isize, isize, isize, isize, isize);
-#[repr(simd)] struct isizex6(isize, isize, isize, isize, isize, isize);
-#[repr(simd)] struct isizex7(isize, isize, isize, isize, isize, isize, isize);
-#[repr(simd)] struct isizex8(isize, isize, isize, isize, isize, isize, isize, isize);
+ check::<Isize<2>>();
+ check::<Isize<4>>();
+ check::<Isize<8>>();
+}