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//@ build-fail
//@ ignore-emscripten
// Test that the simd_{gather,scatter} intrinsics produce ok-ish error
// messages when misused.
#![feature(repr_simd, core_intrinsics)]
#![allow(non_camel_case_types)]
use std::intrinsics::simd::{simd_gather, simd_scatter};
#[repr(simd)]
#[derive(Copy, Clone, PartialEq, Debug)]
struct x4<T>(pub [T; 4]);
fn main() {
let mut x = [0_f32, 1., 2., 3., 4., 5., 6., 7.];
let default = x4([-3_f32, -3., -3., -3.]);
let s_strided = x4([0_f32, 2., -3., 6.]);
let mask = x4([-1_i32, -1, 0, -1]);
let umask = x4([0u16; 4]);
let fmask = x4([0_f32; 4]);
let pointer = x.as_mut_ptr();
let pointers =
unsafe { x4([pointer.offset(0), pointer.offset(2), pointer.offset(4), pointer.offset(6)]) };
unsafe {
simd_gather(default, mask, mask);
//~^ ERROR expected element type `i32` of second argument `x4<i32>` to be a pointer to the element type `f32`
simd_gather(default, pointers, umask);
//~^ ERROR expected element type `u16` of third argument `x4<u16>` to be a signed integer type
simd_gather(default, pointers, fmask);
//~^ ERROR expected element type `f32` of third argument `x4<f32>` to be a signed integer type
}
unsafe {
let values = x4([42_f32, 43_f32, 44_f32, 45_f32]);
simd_scatter(values, mask, mask);
//~^ ERROR expected element type `i32` of second argument `x4<i32>` to be a pointer to the element type `f32` of the first argument `x4<f32>`, found `i32` != `*mut f32`
simd_scatter(values, pointers, umask);
//~^ ERROR expected element type `u16` of third argument `x4<u16>` to be a signed integer type
simd_scatter(values, pointers, fmask);
//~^ ERROR expected element type `f32` of third argument `x4<f32>` to be a signed integer type
}
}
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