File: generic-arithmetic-saturating-2.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (38 lines) | stat: -rw-r--r-- 1,012 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
//@ build-fail
//@ ignore-emscripten
#![feature(repr_simd, intrinsics)]
#![allow(non_camel_case_types)]
#[repr(simd)]
#[derive(Copy, Clone)]
pub struct i32x4(pub [i32; 4]);

#[repr(simd)]
#[derive(Copy, Clone)]
pub struct x4<T>(pub [T; 4]);

#[repr(simd)]
#[derive(Copy, Clone)]
pub struct f32x4(pub [f32; 4]);

extern "rust-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
    }
}