60 lines
1.5 KiB
Rust
60 lines
1.5 KiB
Rust
//@ build-fail
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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, core_intrinsics)]
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#![allow(non_camel_case_types)]
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use std::intrinsics::simd::{simd_select, simd_select_bitmask};
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct f32x4(pub [f32; 4]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct u32x4(pub [u32; 4]);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq)]
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struct b8x4(pub [i8; 4]);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq)]
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struct b8x8(pub [i8; 8]);
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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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simd_select(m4, 0u32, 1u32);
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//~^ ERROR found non-SIMD `u32`
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simd_select_bitmask(0u16, x, x);
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//~^ ERROR invalid bitmask `u16`, expected `u8` or `[u8; 1]`
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simd_select_bitmask(0u8, 1u32, 2u32);
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//~^ ERROR found non-SIMD `u32`
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simd_select_bitmask(0.0f32, x, x);
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//~^ ERROR invalid bitmask `f32`, expected `u8` or `[u8; 1]`
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simd_select_bitmask("x", x, x);
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//~^ ERROR invalid bitmask `&str`, expected `u8` or `[u8; 1]`
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}
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}
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