File: generic-comparison.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 (66 lines) | stat: -rw-r--r-- 2,555 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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
//@ build-fail

#![feature(repr_simd, intrinsics)]

#[repr(simd)]
#[derive(Copy, Clone)]
#[allow(non_camel_case_types)]
struct i32x4([i32; 4]);
#[repr(simd)]
#[derive(Copy, Clone)]
#[allow(non_camel_case_types)]
struct i16x8([i16; 8]);

extern "rust-intrinsic" {
    fn simd_eq<T, U>(x: T, y: T) -> U;
    fn simd_ne<T, U>(x: T, y: T) -> U;
    fn simd_lt<T, U>(x: T, y: T) -> U;
    fn simd_le<T, U>(x: T, y: T) -> U;
    fn simd_gt<T, U>(x: T, y: T) -> U;
    fn simd_ge<T, U>(x: T, y: T) -> U;
}

fn main() {
    let x = i32x4([0, 0, 0, 0]);

    unsafe {
        simd_eq::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
        simd_ne::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
        simd_lt::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
        simd_le::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
        simd_gt::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`
        simd_ge::<i32, i32>(0, 0);
        //~^ ERROR expected SIMD input type, found non-SIMD `i32`

        simd_eq::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
        simd_ne::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
        simd_lt::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
        simd_le::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
        simd_gt::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`
        simd_ge::<_, i32>(x, x);
        //~^ ERROR expected SIMD return type, found non-SIMD `i32`

        simd_eq::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
        simd_ne::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
        simd_lt::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
        simd_le::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
        simd_gt::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
        simd_ge::<_, i16x8>(x, x);
//~^ ERROR return type with length 4 (same as input type `i32x4`), found `i16x8` with length 8
    }
}