2 #![allow(non_camel_case_types)]
6 // Test that the simd_bitmask intrinsic produces correct results.
8 #![feature(repr_simd, platform_intrinsics)]
9 #[allow(non_camel_case_types)]
12 #[derive(Copy, Clone, PartialEq, Debug)]
13 struct u32x4(pub u32, pub u32, pub u32, pub u32);
16 #[derive(Copy, Clone, PartialEq, Debug)]
17 struct u8x4(pub u8, pub u8, pub u8, pub u8);
20 #[derive(Copy, Clone, PartialEq, Debug)]
21 struct Tx4<T>(pub T, pub T, pub T, pub T);
23 extern "platform-intrinsic" {
24 fn simd_bitmask<T, U>(x: T) -> U;
28 let z = u32x4(0, 0, 0, 0);
31 let o = u32x4(!0, !0, !0, !0);
34 let m0 = u32x4(!0, 0, !0, 0);
35 let e0 = 0b_0000_0101_u8;
37 // Check that the MSB is extracted:
38 let m = u8x4(0b_1000_0000, 0b_0100_0001, 0b_1100_0001, 0b_1111_1111);
41 // Check usize / isize
42 let msize: Tx4<usize> = Tx4(usize::MAX, 0, usize::MAX, usize::MAX);
45 let r: u8 = simd_bitmask(z);
48 let r: u8 = simd_bitmask(o);
51 let r: u8 = simd_bitmask(m0);
54 let r: u8 = simd_bitmask(m);
57 let r: u8 = simd_bitmask(msize);