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//@ run-pass
#![feature(repr_simd, intrinsics)]
extern "rust-intrinsic" {
fn simd_masked_load<M, P, T>(mask: M, pointer: P, values: T) -> T;
fn simd_masked_store<M, P, T>(mask: M, pointer: P, values: T) -> ();
}
#[derive(Copy, Clone)]
#[repr(simd)]
struct Simd<T, const N: usize>([T; N]);
fn main() {
unsafe {
let a = Simd::<u8, 4>([0, 1, 2, 3]);
let b_src = [4u8, 5, 6, 7];
let b_default = Simd::<u8, 4>([9; 4]);
let b: Simd::<u8, 4> = simd_masked_load(
Simd::<i8, 4>([-1, 0, -1, -1]),
b_src.as_ptr(),
b_default
);
assert_eq!(&b.0, &[4, 9, 6, 7]);
let mut output = [u8::MAX; 5];
simd_masked_store(Simd::<i8, 4>([-1, -1, -1, 0]), output.as_mut_ptr(), a);
assert_eq!(&output, &[0, 1, 2, u8::MAX, u8::MAX]);
simd_masked_store(Simd::<i8, 4>([0, -1, -1, 0]), output[1..].as_mut_ptr(), b);
assert_eq!(&output, &[0, 1, 9, 6, u8::MAX]);
}
}
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