src/test/ui/simd-intrinsic/simd-intrinsic-generic-arithmetic-saturating.rs

// build-fail
// ignore-emscripten
// ignore-tidy-linelength
#![feature(repr_simd, platform_intrinsics)]
#![allow(non_camel_case_types)]
#[repr(simd)]
#[derive(Copy, Clone)]
pub struct i32x4(pub i32, pub i32, pub i32, pub i32);

#[repr(simd)]
#[derive(Copy, Clone)]
pub struct x4<T>(pub T, pub T, pub T, pub T);

#[repr(simd)]
#[derive(Copy, Clone)]
pub struct f32x4(pub f32, pub f32, pub f32, pub f32);

extern "platform-intrinsic" {
    fn simd_saturating_add<T>(x: T, y: T) -> T;
    fn simd_saturating_sub<T>(x: T, y: T) -> T;
}

fn main() {
    let x = i32x4(0, 0, 0, 0);
    let y = x4(0_usize, 0, 0, 0);
    let z = f32x4(0.0, 0.0, 0.0, 0.0);

    unsafe {
        simd_saturating_add(x, x);
        simd_saturating_add(y, y);
        simd_saturating_sub(x, x);
        simd_saturating_sub(y, y);

        simd_saturating_add(z, z);
        //~^ ERROR expected element type `f32` of vector type `f32x4` to be a signed or unsigned integer type
        simd_saturating_sub(z, z);
        //~^ ERROR expected element type `f32` of vector type `f32x4` to be a signed or unsigned integer type
    }
}