mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 13:04:42 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //
 | |
| 
 | |
| // 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 Vec2<T>(pub T, pub T);
 | |
| 
 | |
| #[repr(simd)]
 | |
| #[derive(Copy, Clone, PartialEq, Debug)]
 | |
| pub struct Vec4<T>(pub T, pub T, pub T, pub T);
 | |
| 
 | |
| extern "platform-intrinsic" {
 | |
|     fn simd_scatter<T, P, M>(value: T, pointers: P, mask: M);
 | |
| }
 | |
| 
 | |
| // CHECK-LABEL: @scatter_f32x2
 | |
| #[no_mangle]
 | |
| pub unsafe fn scatter_f32x2(pointers: Vec2<*mut f32>, mask: Vec2<i32>,
 | |
|                             values: Vec2<f32>) {
 | |
|     // CHECK: call void @llvm.masked.scatter.v2f32.v2p0{{.*}}(<2 x float> {{.*}}, <2 x {{float\*|ptr}}> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}})
 | |
|     simd_scatter(values, pointers, mask)
 | |
| }
 | |
| 
 | |
| 
 | |
| // CHECK-LABEL: @scatter_pf32x2
 | |
| #[no_mangle]
 | |
| pub unsafe fn scatter_pf32x2(pointers: Vec2<*mut *const f32>, mask: Vec2<i32>,
 | |
|                              values: Vec2<*const f32>) {
 | |
|     // CHECK: call void @llvm.masked.scatter.v2p0{{.*}}.v2p0{{.*}}(<2 x {{float\*|ptr}}> {{.*}}, <2 x {{float\*\*|ptr}}> {{.*}}, i32 {{.*}}, <2 x i1> {{.*}})
 | |
|     simd_scatter(values, pointers, mask)
 | |
| }
 | 
