64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
//@ build-fail
|
|
|
|
// Test that the simd_select intrinsic produces ok-ish error
|
|
// messages when misused.
|
|
|
|
#![feature(repr_simd, 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 "rust-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(0u16, x, x);
|
|
//~^ ERROR invalid bitmask `u16`, expected `u8` or `[u8; 1]`
|
|
|
|
simd_select_bitmask(0u8, 1u32, 2u32);
|
|
//~^ ERROR found non-SIMD `u32`
|
|
|
|
simd_select_bitmask(0.0f32, x, x);
|
|
//~^ ERROR invalid bitmask `f32`, expected `u8` or `[u8; 1]`
|
|
|
|
simd_select_bitmask("x", x, x);
|
|
//~^ ERROR invalid bitmask `&str`, expected `u8` or `[u8; 1]`
|
|
}
|
|
}
|