57 lines
1.6 KiB
Rust
57 lines
1.6 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that the simd_select intrinsic produces ok-ish error
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// messages when misused.
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#![feature(repr_simd, platform_intrinsics)]
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#![allow(non_camel_case_types)]
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct f32x4(pub f32, pub f32, pub f32, pub f32);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct u32x4(pub u32, pub u32, pub u32, pub u32);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq)]
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struct b8x4(pub i8, pub i8, pub i8, pub i8);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq)]
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struct b8x8(pub i8, pub i8, pub i8, pub i8,
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pub i8, pub i8, pub i8, pub i8);
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extern "platform-intrinsic" {
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fn simd_select<T, U>(x: T, a: U, b: U) -> U;
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}
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fn main() {
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let m4 = b8x4(0, 0, 0, 0);
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let m8 = b8x8(0, 0, 0, 0, 0, 0, 0, 0);
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let x = u32x4(0, 0, 0, 0);
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let z = f32x4(0.0, 0.0, 0.0, 0.0);
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unsafe {
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simd_select(m4, x, x);
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simd_select(m8, x, x);
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//~^ ERROR mismatched lengths: mask length `8` != other vector length `4`
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simd_select(x, x, x);
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//~^ ERROR mask element type is `u32`, expected `i_`
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simd_select(z, z, z);
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//~^ ERROR mask element type is `f32`, expected `i_`
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}
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}
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