36 lines
1 KiB
Rust
36 lines
1 KiB
Rust
|
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
// compile-flags: -C no-prepopulate-passes
|
||
|
|
|
||
|
|
#![crate_type = "lib"]
|
||
|
|
|
||
|
|
#![feature(repr_simd, platform_intrinsics)]
|
||
|
|
#[allow(non_camel_case_types)]
|
||
|
|
|
||
|
|
#[repr(simd)]
|
||
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
||
|
|
pub struct f32x4(pub f32, pub f32, pub f32, pub f32);
|
||
|
|
|
||
|
|
#[repr(simd)]
|
||
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
||
|
|
pub struct b8x4(pub i8, pub i8, pub i8, pub i8);
|
||
|
|
|
||
|
|
extern "platform-intrinsic" {
|
||
|
|
fn simd_select<T, U>(x: T, a: U, b: U) -> U;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @select
|
||
|
|
#[no_mangle]
|
||
|
|
pub unsafe fn select(m: b8x4, a: f32x4, b: f32x4) -> f32x4 {
|
||
|
|
// CHECK: select <4 x i1>
|
||
|
|
simd_select(m, a, b)
|
||
|
|
}
|