3 // Test that simd gather instructions on slice of usize don't cause crash
4 // See issue #89183 - https://github.com/rust-lang/rust/issues/89193
6 #![feature(repr_simd, platform_intrinsics)]
7 #![allow(non_camel_case_types)]
10 #[derive(Copy, Clone, PartialEq, Debug)]
11 struct x4<T>(pub T, pub T, pub T, pub T);
13 extern "platform-intrinsic" {
14 fn simd_gather<T, U, V>(x: T, y: U, z: V) -> T;
18 let x: [usize; 4] = [10, 11, 12, 13];
19 let default = x4(0_usize, 1, 2, 3);
20 let mask = x4(1_i32, 1, 1, 1);
21 let expected = x4(10_usize, 11, 12, 13);
24 let pointer = &x[0] as *const usize;
26 pointer.offset(0) as *const usize,
31 let result = simd_gather(default, pointers, mask);
32 assert_eq!(result, expected);
35 // and again for isize
36 let x: [isize; 4] = [10, 11, 12, 13];
37 let default = x4(0_isize, 1, 2, 3);
38 let expected = x4(10_isize, 11, 12, 13);
41 let pointer = &x[0] as *const isize;
43 pointer.offset(0) as *const isize,
48 let result = simd_gather(default, pointers, mask);
49 assert_eq!(result, expected);