38 lines
862 B
Rust
38 lines
862 B
Rust
//@ compile-flags: -C no-prepopulate-passes
|
|
|
|
#![crate_type = "lib"]
|
|
|
|
#![feature(repr_simd, intrinsics)]
|
|
#[allow(non_camel_case_types)]
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
|
pub struct f32x4(pub [f32; 4]);
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
|
pub struct f32x8([f32; 8]);
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
|
pub struct b8x4(pub [i8; 4]);
|
|
|
|
extern "rust-intrinsic" {
|
|
fn simd_select<T, U>(x: T, a: U, b: U) -> U;
|
|
fn simd_select_bitmask<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)
|
|
}
|
|
|
|
// CHECK-LABEL: @select_bitmask
|
|
#[no_mangle]
|
|
pub unsafe fn select_bitmask(m: i8, a: f32x8, b: f32x8) -> f32x8 {
|
|
// CHECK: select <8 x i1>
|
|
simd_select_bitmask(m, a, b)
|
|
}
|