| // Test that the simd_select intrinsic produces ok-ish error |
| // messages when misused. |
| |
| #![feature(repr_simd, platform_intrinsics)] |
| #![allow(non_camel_case_types)] |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct f32x4(pub f32, pub f32, pub f32, pub f32); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone)] |
| pub struct u32x4(pub u32, pub u32, pub u32, pub u32); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq)] |
| struct b8x4(pub i8, pub i8, pub i8, pub i8); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq)] |
| struct b8x8(pub i8, pub i8, pub i8, pub i8, |
| pub i8, pub i8, pub i8, pub i8); |
| |
| extern "platform-intrinsic" { |
| fn simd_select<T, U>(x: T, a: U, b: U) -> U; |
| fn simd_select_bitmask<T, U>(x: T, a: U, b: U) -> U; |
| } |
| |
| fn main() { |
| let m4 = b8x4(0, 0, 0, 0); |
| let m8 = b8x8(0, 0, 0, 0, 0, 0, 0, 0); |
| let x = u32x4(0, 0, 0, 0); |
| let z = f32x4(0.0, 0.0, 0.0, 0.0); |
| |
| unsafe { |
| simd_select(m4, x, x); |
| |
| simd_select(m8, x, x); |
| //~^ ERROR mismatched lengths: mask length `8` != other vector length `4` |
| |
| simd_select(x, x, x); |
| //~^ ERROR mask element type is `u32`, expected `i_` |
| |
| simd_select(z, z, z); |
| //~^ ERROR mask element type is `f32`, expected `i_` |
| |
| simd_select(m4, 0u32, 1u32); |
| //~^ ERROR found non-SIMD `u32` |
| |
| simd_select_bitmask(0u8, x, x); |
| //~^ ERROR mask length `8` != other vector length `4` |
| // |
| simd_select_bitmask(0u8, 1u32, 2u32); |
| //~^ ERROR found non-SIMD `u32` |
| |
| simd_select_bitmask(0.0f32, x, x); |
| //~^ ERROR `f32` is not an integral type |
| |
| simd_select_bitmask("x", x, x); |
| //~^ ERROR `&str` is not an integral type |
| } |
| } |