45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
//@ build-fail
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//@ ignore-emscripten
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// Test that the simd_{gather,scatter} intrinsics produce 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_gather, simd_scatter};
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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struct x4<T>(pub [T; 4]);
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fn main() {
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let mut x = [0_f32, 1., 2., 3., 4., 5., 6., 7.];
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let default = x4([-3_f32, -3., -3., -3.]);
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let s_strided = x4([0_f32, 2., -3., 6.]);
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let mask = x4([-1_i32, -1, 0, -1]);
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let fmask = x4([0_f32; 4]);
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let pointer = x.as_mut_ptr();
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let pointers =
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unsafe { x4([pointer.offset(0), pointer.offset(2), pointer.offset(4), pointer.offset(6)]) };
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unsafe {
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simd_gather(default, mask, mask);
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//~^ ERROR expected element type `i32` of second argument `x4<i32>` to be a pointer to the element type `f32`
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simd_gather(default, pointers, fmask);
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//~^ ERROR expected mask element type to be an integer, found `f32`
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}
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unsafe {
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let values = x4([42_f32, 43_f32, 44_f32, 45_f32]);
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simd_scatter(values, mask, mask);
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//~^ 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`
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simd_scatter(values, pointers, fmask);
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//~^ ERROR expected mask element type to be an integer, found `f32`
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}
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}
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