mirror of
https://github.com/rust-lang/rust.git
synced 2025-06-06 12:18:33 +00:00
22 lines
442 B
Rust
22 lines
442 B
Rust
//@ compile-flags: -Copt-level=3 --crate-type=rlib
|
|
#![feature(intrinsics, repr_simd)]
|
|
|
|
extern "rust-intrinsic" {
|
|
fn simd_fabs<T>(x: T) -> T;
|
|
fn simd_eq<T, U>(x: T, y: T) -> U;
|
|
}
|
|
|
|
#[repr(simd)]
|
|
pub struct V([f32; 4]);
|
|
|
|
#[repr(simd)]
|
|
pub struct M([i32; 4]);
|
|
|
|
#[no_mangle]
|
|
// CHECK-LABEL: @is_infinite
|
|
pub fn is_infinite(v: V) -> M {
|
|
// CHECK: fabs
|
|
// CHECK: cmp oeq
|
|
unsafe { simd_eq(simd_fabs(v), V([f32::INFINITY; 4])) }
|
|
}
|