mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-04 06:56:14 +00:00
34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes
|
|
|
|
#![crate_type = "lib"]
|
|
#![feature(repr_simd, core_intrinsics)]
|
|
#![allow(non_camel_case_types)]
|
|
|
|
use std::intrinsics::simd::simd_masked_store;
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
|
pub struct Vec2<T>(pub [T; 2]);
|
|
|
|
#[repr(simd)]
|
|
#[derive(Copy, Clone, PartialEq, Debug)]
|
|
pub struct Vec4<T>(pub [T; 4]);
|
|
|
|
// CHECK-LABEL: @store_f32x2
|
|
#[no_mangle]
|
|
pub unsafe fn store_f32x2(mask: Vec2<i32>, pointer: *mut f32, values: Vec2<f32>) {
|
|
// CHECK: [[A:%[0-9]+]] = lshr <2 x i32> {{.*}}, {{<i32 31, i32 31>|splat \(i32 31\)}}
|
|
// CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1>
|
|
// CHECK: call void @llvm.masked.store.v2f32.p0(<2 x float> {{.*}}, ptr {{.*}}, i32 4, <2 x i1> [[B]])
|
|
simd_masked_store(mask, pointer, values)
|
|
}
|
|
|
|
// CHECK-LABEL: @store_pf32x4
|
|
#[no_mangle]
|
|
pub unsafe fn store_pf32x4(mask: Vec4<i32>, pointer: *mut *const f32, values: Vec4<*const f32>) {
|
|
// CHECK: [[A:%[0-9]+]] = lshr <4 x i32> {{.*}}, {{<i32 31, i32 31, i32 31, i32 31>|splat \(i32 31\)}}
|
|
// CHECK: [[B:%[0-9]+]] = trunc <4 x i32> [[A]] to <4 x i1>
|
|
// CHECK: call void @llvm.masked.store.v4p0.p0(<4 x ptr> {{.*}}, ptr {{.*}}, i32 {{.*}}, <4 x i1> [[B]])
|
|
simd_masked_store(mask, pointer, values)
|
|
}
|