2 #![allow(non_camel_case_types)]
5 // ignore-endian-big behavior of simd_bitmask is endian-specific
7 // Test that the simd_bitmask intrinsic produces correct results.
9 #![feature(repr_simd, platform_intrinsics)]
10 #[allow(non_camel_case_types)]
13 #[derive(Copy, Clone, PartialEq, Debug)]
14 struct u32x4(pub u32, pub u32, pub u32, pub u32);
17 #[derive(Copy, Clone, PartialEq, Debug)]
18 struct u8x4(pub u8, pub u8, pub u8, pub u8);
21 #[derive(Copy, Clone, PartialEq, Debug)]
22 struct Tx4<T>(pub T, pub T, pub T, pub T);
24 extern "platform-intrinsic" {
25 fn simd_bitmask<T, U>(x: T) -> U;
29 let z = u32x4(0, 0, 0, 0);
32 let o = u32x4(!0, !0, !0, !0);
35 let m0 = u32x4(!0, 0, !0, 0);
36 let e0 = 0b_0000_0101_u8;
38 // Check that the MSB is extracted:
39 let m = u8x4(0b_1000_0000, 0b_0100_0001, 0b_1100_0001, 0b_1111_1111);
42 // Check usize / isize
43 let msize: Tx4<usize> = Tx4(usize::MAX, 0, usize::MAX, usize::MAX);
46 let r: u8 = simd_bitmask(z);
49 let r: u8 = simd_bitmask(o);
52 let r: u8 = simd_bitmask(m0);
55 let r: u8 = simd_bitmask(m);
58 let r: u8 = simd_bitmask(msize);