mirror of https://github.com/rust-lang/rust
70 lines
1.6 KiB
Rust
70 lines
1.6 KiB
Rust
//@ build-fail
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// Test that the simd_bitmask intrinsic produces ok-ish error
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// messages when misused.
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#![feature(repr_simd, 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 u32x2([u32; 2]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct u32x4([u32; 4]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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struct u8x8([u8; 8]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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struct u8x16([u8; 16]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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struct u8x32([u8; 32]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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struct u8x64([u8; 64]);
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extern "rust-intrinsic" {
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fn simd_bitmask<T, U>(x: T) -> U;
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}
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fn main() {
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let m2 = u32x2([0; 2]);
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let m4 = u32x4([0; 4]);
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let m8 = u8x8([0; 8]);
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let m16 = u8x16([0; 16]);
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let m32 = u8x32([0; 32]);
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let m64 = u8x64([0; 64]);
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unsafe {
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let _: u8 = simd_bitmask(m2);
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let _: u8 = simd_bitmask(m4);
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let _: u8 = simd_bitmask(m8);
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let _: u16 = simd_bitmask(m16);
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let _: u32 = simd_bitmask(m32);
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let _: u64 = simd_bitmask(m64);
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let _: u16 = simd_bitmask(m2);
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//~^ ERROR invalid monomorphization of `simd_bitmask` intrinsic
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let _: u16 = simd_bitmask(m8);
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//~^ ERROR invalid monomorphization of `simd_bitmask` intrinsic
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let _: u32 = simd_bitmask(m16);
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//~^ ERROR invalid monomorphization of `simd_bitmask` intrinsic
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let _: u64 = simd_bitmask(m32);
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//~^ ERROR invalid monomorphization of `simd_bitmask` intrinsic
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let _: u128 = simd_bitmask(m64);
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//~^ ERROR invalid monomorphization of `simd_bitmask` intrinsic
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}
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}
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