mirror of https://github.com/rust-lang/rust
26 lines
465 B
Rust
26 lines
465 B
Rust
//@ run-pass
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//@ compile-flags: -O -Zverify-llvm-ir
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#![feature(repr_simd)]
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#![feature(intrinsics)]
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#[allow(non_camel_case_types)]
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#[derive(Clone, Copy)]
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#[repr(simd)]
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struct i32x4([i32; 4]);
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extern "rust-intrinsic" {
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pub(crate) fn simd_add<T>(x: T, y: T) -> T;
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}
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#[inline(always)]
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fn to_array(a: i32x4) -> [i32; 4] {
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a.0
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}
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fn main() {
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let a = i32x4([1, 2, 3, 4]);
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let b = unsafe { simd_add(a, a) };
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assert_eq!(to_array(b), [2, 4, 6, 8]);
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}
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